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5bfeb8de3f
CEF4Delphi/source/uCEFChromiumCore.pas
Salvador Díaz Fau 5bfeb8de3f Rollback the last fix for issue #288 
The last fix sometimes caused an exception while you close the browser.
2020-07-13 15:28:04 +02:00

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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2020 Salvador Diaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uCEFChromiumCore;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
{$IFDEF MSWINDOWS}WinApi.Windows, WinApi.Messages, WinApi.ActiveX, WinApi.CommCtrl,{$ENDIF}
System.Classes, System.SyncObjs, System.Types,
{$ELSE}
{$IFDEF MSWINDOWS}Windows, ActiveX, CommCtrl,{$ENDIF} Classes,
{$IFDEF FPC}
LCLProc, LCLType, LCLIntf, LResources, LMessages, InterfaceBase,
{$ELSE}
Messages,
{$ENDIF}
SyncObjs,
{$ENDIF}
uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFMiscFunctions, uCEFClient,
uCEFConstants, uCEFTask, uCEFDomVisitor, uCEFChromiumEvents,
{$IFDEF MSWINDOWS}uCEFDragAndDropMgr,{$ENDIF}
uCEFChromiumOptions, uCEFChromiumFontOptions, uCEFPDFPrintOptions,
uCEFBrowserViewComponent;
type
TBrowserInfoList = class;
{$IFNDEF FPC}{$IFDEF DELPHI16_UP}[ComponentPlatformsAttribute(pidWin32 or pidWin64)]{$ENDIF}{$ENDIF}
TChromiumCore = class(TComponent, IChromiumEvents)
protected
{$IFDEF MSWINDOWS}
FCompHandle : HWND;
{$ENDIF}
FHandler : ICefClient;
FBrowsersCS : TCriticalSection;
FBrowsers : TBrowserInfoList;
FBrowserId : integer;
FMultiBrowserMode : boolean;
FReqContextHandler : ICefRequestContextHandler;
FResourceRequestHandler : ICefResourceRequestHandler;
FMediaObserver : ICefMediaObserver;
FMediaObserverReg : ICefRegistration;
FDevToolsMsgObserver : ICefDevToolsMessageObserver;
FDevToolsMsgObserverReg : ICefRegistration;
FDefaultUrl : ustring;
FOptions : TChromiumOptions;
FFontOptions : TChromiumFontOptions;
FPDFPrintOptions : TPDFPrintOptions;
FDefaultEncoding : ustring;
FProxyType : integer;
FProxyScheme : TCefProxyScheme;
FProxyServer : ustring;
FProxyPort : integer;
FProxyUsername : ustring;
FProxyPassword : ustring;
FProxyScriptURL : ustring;
FProxyByPassList : ustring;
FMaxConnectionsPerProxy : integer;
FUpdatePreferences : boolean;
FCustomHeaderName : ustring;
FCustomHeaderValue : ustring;
FAddCustomHeader : boolean;
FDoNotTrack : boolean;
FSendReferrer : boolean;
FHyperlinkAuditing : boolean;
FRunAllFlashInAllowMode : boolean;
FAllowOutdatedPlugins : boolean;
FAlwaysAuthorizePlugins : boolean;
FSpellChecking : boolean;
FSpellCheckerDicts : ustring;
FZoomStep : byte;
FZoomStepCS : TCriticalSection;
FPrefsFileName : string;
FIsOSR : boolean;
FSafeSearch : boolean;
FOffline : boolean;
FYouTubeRestrict : integer;
FPrintingEnabled : boolean;
FWindowInfo : TCefWindowInfo;
FBrowserSettings : TCefBrowserSettings;
FDevWindowInfo : TCefWindowInfo;
FDevBrowserSettings : TCefBrowserSettings;
FDragOperations : TCefDragOperations;
{$IFDEF MSWINDOWS}
FDragDropManager : TCEFDragAndDropMgr;
FDropTargetWnd : HWND;
{$ENDIF}
FDragAndDropInitialized : boolean;
FWebRTCIPHandlingPolicy : TCefWebRTCHandlingPolicy;
FWebRTCMultipleRoutes : TCefState;
FWebRTCNonProxiedUDP : TCefState;
FAcceptLanguageList : ustring;
FAcceptCookies : TCefCookiePref;
FBlock3rdPartyCookies : boolean;
FDefaultWindowInfoExStyle : cardinal;
{$IFDEF MSWINDOWS}
FOldBrowserCompWndPrc : TFNWndProc;
FOldWidgetCompWndPrc : TFNWndProc;
FOldRenderCompWndPrc : TFNWndProc;
FBrowserCompStub : Pointer;
FWidgetCompStub : Pointer;
FRenderCompStub : Pointer;
{$ENDIF}
FBrowserCompHWND : THandle;
FWidgetCompHWND : THandle;
FRenderCompHWND : THandle;
// ICefClient
FOnProcessMessageReceived : TOnProcessMessageReceived;
// ICefLoadHandler
FOnLoadStart : TOnLoadStart;
FOnLoadEnd : TOnLoadEnd;
FOnLoadError : TOnLoadError;
FOnLoadingStateChange : TOnLoadingStateChange;
// ICefFocusHandler
FOnTakeFocus : TOnTakeFocus;
FOnSetFocus : TOnSetFocus;
FOnGotFocus : TOnGotFocus;
// ICefContextMenuHandler
FOnBeforeContextMenu : TOnBeforeContextMenu;
FOnRunContextMenu : TOnRunContextMenu;
FOnContextMenuCommand : TOnContextMenuCommand;
FOnContextMenuDismissed : TOnContextMenuDismissed;
// ICefKeyboardHandler
FOnPreKeyEvent : TOnPreKeyEvent;
FOnKeyEvent : TOnKeyEvent;
// ICefDisplayHandler
FOnAddressChange : TOnAddressChange;
FOnTitleChange : TOnTitleChange;
FOnFavIconUrlChange : TOnFavIconUrlChange;
FOnFullScreenModeChange : TOnFullScreenModeChange;
FOnTooltip : TOnTooltip;
FOnStatusMessage : TOnStatusMessage;
FOnConsoleMessage : TOnConsoleMessage;
FOnAutoResize : TOnAutoResize;
FOnLoadingProgressChange : TOnLoadingProgressChange;
// ICefDownloadHandler
FOnBeforeDownload : TOnBeforeDownload;
FOnDownloadUpdated : TOnDownloadUpdated;
// ICefJsDialogHandler
FOnJsdialog : TOnJsdialog;
FOnBeforeUnloadDialog : TOnBeforeUnloadDialog;
FOnResetDialogState : TOnResetDialogState;
FOnDialogClosed : TOnDialogClosed;
// ICefLifeSpanHandler
FOnBeforePopup : TOnBeforePopup;
FOnAfterCreated : TOnAfterCreated;
FOnBeforeClose : TOnBeforeClose;
FOnClose : TOnClose;
// ICefRequestHandler
FOnBeforeBrowse : TOnBeforeBrowse;
FOnOpenUrlFromTab : TOnOpenUrlFromTab;
FOnGetAuthCredentials : TOnGetAuthCredentials;
FOnQuotaRequest : TOnQuotaRequest;
FOnCertificateError : TOnCertificateError;
FOnSelectClientCertificate : TOnSelectClientCertificate;
FOnPluginCrashed : TOnPluginCrashed;
FOnRenderViewReady : TOnRenderViewReady;
FOnRenderProcessTerminated : TOnRenderProcessTerminated;
FOnGetResourceRequestHandler_ReqHdlr : TOnGetResourceRequestHandler;
FOnDocumentAvailableInMainFrame : TOnDocumentAvailableInMainFrame;
// ICefResourceRequestHandler
FOnBeforeResourceLoad : TOnBeforeResourceLoad;
FOnGetResourceHandler : TOnGetResourceHandler;
FOnResourceRedirect : TOnResourceRedirect;
FOnResourceResponse : TOnResourceResponse;
FOnGetResourceResponseFilter : TOnGetResourceResponseFilter;
FOnResourceLoadComplete : TOnResourceLoadComplete;
FOnProtocolExecution : TOnProtocolExecution;
// ICefCookieAccessFilter
FOnCanSendCookie : TOnCanSendCookie;
FOnCanSaveCookie : TOnCanSaveCookie;
// ICefDialogHandler
FOnFileDialog : TOnFileDialog;
// ICefRenderHandler
FOnGetAccessibilityHandler : TOnGetAccessibilityHandler;
FOnGetRootScreenRect : TOnGetRootScreenRect;
FOnGetViewRect : TOnGetViewRect;
FOnGetScreenPoint : TOnGetScreenPoint;
FOnGetScreenInfo : TOnGetScreenInfo;
FOnPopupShow : TOnPopupShow;
FOnPopupSize : TOnPopupSize;
FOnPaint : TOnPaint;
FOnAcceleratedPaint : TOnAcceleratedPaint;
FOnCursorChange : TOnCursorChange;
FOnStartDragging : TOnStartDragging;
FOnUpdateDragCursor : TOnUpdateDragCursor;
FOnScrollOffsetChanged : TOnScrollOffsetChanged;
FOnIMECompositionRangeChanged : TOnIMECompositionRangeChanged;
FOnTextSelectionChanged : TOnTextSelectionChanged;
FOnVirtualKeyboardRequested : TOnVirtualKeyboardRequested;
// ICefDragHandler
FOnDragEnter : TOnDragEnter;
FOnDraggableRegionsChanged : TOnDraggableRegionsChanged;
// ICefFindHandler
FOnFindResult : TOnFindResult;
// ICefRequestContextHandler
FOnRequestContextInitialized : TOnRequestContextInitialized;
FOnBeforePluginLoad : TOnBeforePluginLoad;
FOnGetResourceRequestHandler_ReqCtxHdlr : TOnGetResourceRequestHandler;
// ICefMediaObserver
FOnSinks : TOnSinksEvent;
FOnRoutes : TOnRoutesEvent;
FOnRouteStateChanged : TOnRouteStateChangedEvent;
FOnRouteMessageReceived : TOnRouteMessageReceivedEvent;
// ICefAudioHandler
FOnGetAudioParameters : TOnGetAudioParametersEvent;
FOnAudioStreamStarted : TOnAudioStreamStartedEvent;
FOnAudioStreamPacket : TOnAudioStreamPacketEvent;
FOnAudioStreamStopped : TOnAudioStreamStoppedEvent;
FOnAudioStreamError : TOnAudioStreamErrorEvent;
// ICefDevToolsMessageObserver
FOnDevToolsMessage : TOnDevToolsMessageEvent;
FOnDevToolsMethodResult : TOnDevToolsMethodResultEvent;
FOnDevToolsEvent : TOnDevToolsEventEvent;
FOnDevToolsAgentAttached : TOnDevToolsAgentAttachedEvent;
FOnDevToolsAgentDetached : TOnDevToolsAgentDetachedEvent;
// Custom
FOnTextResultAvailable : TOnTextResultAvailableEvent;
FOnPdfPrintFinished : TOnPdfPrintFinishedEvent;
FOnPrefsAvailable : TOnPrefsAvailableEvent;
FOnCookiesDeleted : TOnCookiesDeletedEvent;
FOnResolvedHostAvailable : TOnResolvedIPsAvailableEvent;
FOnNavigationVisitorResultAvailable : TOnNavigationVisitorResultAvailableEvent;
FOnDownloadImageFinished : TOnDownloadImageFinishedEvent;
FOnCookiesFlushed : TNotifyEvent;
FOnCertificateExceptionsCleared : TNotifyEvent;
FOnHttpAuthCredentialsCleared : TNotifyEvent;
FOnAllConnectionsClosed : TNotifyEvent;
FOnExecuteTaskOnCefThread : TOnExecuteTaskOnCefThread;
FOnCookiesVisited : TOnCookiesVisited;
FOnCookieVisitorDestroyed : TOnCookieVisitorDestroyed;
FOnCookieSet : TOnCookieSet;
FOnZoomPctAvailable : TOnZoomPctAvailable;
FOnMediaRouteCreateFinished : TOnMediaRouteCreateFinishedEvent;
{$IFDEF MSWINDOWS}
FOnBrowserCompMsg : TOnCompMsgEvent;
FOnWidgetCompMsg : TOnCompMsgEvent;
FOnRenderCompMsg : TOnCompMsgEvent;
{$ENDIF}
function GetIsLoading : boolean;
function GetMultithreadApp : boolean;
function GetHasDocument : boolean;
function GetHasView : boolean;
function GetHasDevTools : boolean;
function GetHasClientHandler : boolean;
function GetHasBrowser : boolean;
function GetCanGoBack : boolean;
function GetCanGoForward : boolean;
function GetDocumentURL : ustring;
function GetZoomLevel : double;
function GetZoomPct : double;
function GetZoomStep : byte;
function GetIsPopUp : boolean;
function GetWindowHandle : TCefWindowHandle;
function GetWindowlessFrameRate : integer;
function GetFrameIsFocused : boolean;
function GetInitialized : boolean;
function GetVisibleNavigationEntry : ICefNavigationEntry;
function GetHasValidMainFrame : boolean;
function GetFrameCount : NativeUInt;
function GetRequestContextCache : ustring;
function GetRequestContextIsGlobal : boolean;
function GetAudioMuted : boolean;
function GetParentFormHandle : TCefWindowHandle; virtual;
function GetRequestContext : ICefRequestContext;
function GetMediaRouter : ICefMediaRouter;
function GetBrowser : ICefBrowser;
function GetBrowserId : integer;
function GetBrowserById(aID : integer) : ICefBrowser;
function GetBrowserCount : integer;
function GetBrowserIdByIndex(aIndex : integer) : integer;
procedure SetDoNotTrack(aValue : boolean);
procedure SetSendReferrer(aValue : boolean);
procedure SetHyperlinkAuditing(aValue : boolean);
procedure SetRunAllFlashInAllowMode(aValue : boolean);
procedure SetAllowOutdatedPlugins(aValue : boolean);
procedure SetAlwaysAuthorizePlugins(aValue : boolean);
procedure SetSpellChecking(aValue : boolean);
procedure SetSpellCheckerDicts(const aValue : ustring);
procedure SetWebRTCIPHandlingPolicy(aValue : TCefWebRTCHandlingPolicy);
procedure SetWebRTCMultipleRoutes(aValue : TCefState);
procedure SetWebRTCNonProxiedUDP(aValue : TCefState);
procedure SetProxyType(aValue : integer);
procedure SetProxyScheme(aValue : TCefProxyScheme);
procedure SetProxyServer(const aValue : ustring);
procedure SetProxyPort(aValue : integer);
procedure SetProxyUsername(const aValue : ustring);
procedure SetProxyPassword(const aValue : ustring);
procedure SetProxyScriptURL(const aValue : ustring);
procedure SetProxyByPassList(const aValue : ustring);
procedure SetMaxConnectionsPerProxy(const aValue : integer);
procedure SetCustomHeaderName(const aValue : ustring);
procedure SetCustomHeaderValue(const aValue : ustring);
procedure SetZoomLevel(const aValue : double);
procedure SetZoomPct(const aValue : double);
procedure SetZoomStep(aValue : byte);
procedure SetWindowlessFrameRate(aValue : integer);
procedure SetAudioMuted(aValue : boolean);
procedure SetSafeSearch(aValue : boolean);
procedure SetOffline(aValue : boolean);
procedure SetYouTubeRestrict(aValue : integer);
procedure SetPrintingEnabled(aValue : boolean);
procedure SetAcceptLanguageList(const aValue : ustring);
procedure SetAcceptCookies(const aValue : TCefCookiePref);
procedure SetBlock3rdPartyCookies(const aValue : boolean);
procedure SetOnRequestContextInitialized(const aValue : TOnRequestContextInitialized);
procedure SetOnBeforePluginLoad(const aValue : TOnBeforePluginLoad);
procedure SetMultiBrowserMode(aValue : boolean);
function CreateBrowserHost(aWindowInfo : PCefWindowInfo; const aURL : ustring; const aSettings : PCefBrowserSettings; const aExtraInfo : ICefDictionaryValue; const aContext : ICefRequestContext): boolean;
function CreateBrowserHostSync(aWindowInfo : PCefWindowInfo; const aURL : ustring; const aSettings : PCefBrowserSettings; const aExtraInfo : ICefDictionaryValue; const aContext : ICefRequestContext): Boolean;
procedure DestroyAllBrowsers;
procedure DestroyClientHandler;
procedure DestroyReqContextHandler;
procedure DestroyResourceRequestHandler;
procedure DestroyMediaObserver;
procedure DestroyDevToolsMsgObserver;
procedure CreateReqContextHandler;
procedure CreateResourceRequestHandler;
procedure CreateMediaObserver;
procedure CreateDevToolsMsgObserver;
procedure InitializeEvents;
procedure InitializeSettings(var aSettings : TCefBrowserSettings);
procedure GetPrintPDFSettings(var aSettings : TCefPdfPrintSettings; const aTitle, aURL : ustring);
function UpdateProxyPrefs(const aBrowser: ICefBrowser) : boolean;
function UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; aValue : boolean) : boolean; overload;
function UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; aValue : integer) : boolean; overload;
function UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; const aValue : double) : boolean; overload;
function UpdatePreference(const aBrowser: ICefBrowser; const aName, aValue : ustring) : boolean; overload;
function UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; const aValue : TStringList) : boolean; overload;
function UpdateStringListPref(const aBrowser: ICefBrowser; const aName, aValue : ustring) : boolean;
procedure HandleDictionary(const aDict : ICefDictionaryValue; var aResultSL : TStringList; const aRoot : string);
procedure HandleNull(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleBool(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleInteger(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleDouble(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleString(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleBinary(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleList(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleInvalid(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
function ExecuteUpdateZoomStepTask(aInc : boolean) : boolean;
function ExecuteUpdateZoomPctTask(aInc : boolean) : boolean;
function ExecuteReadZoomTask : boolean;
function ExecuteSetZoomPctTask(const aValue : double) : boolean;
function ExecuteSetZoomLevelTask(const aValue : double) : boolean;
function ExecuteSetZoomStepTask(aValue : byte) : boolean;
procedure UpdateHostZoomLevel(const aValue : double);
procedure UpdateHostZoomPct(const aValue : double);
procedure DelayedDragging;
procedure InitializeWindowInfo(aParentHandle : TCefWindowHandle; aParentRect : TRect; const aWindowName : ustring); virtual;
procedure DefaultInitializeDevToolsWindowInfo(aDevToolsWnd: TCefWindowHandle; const aClientRect: TRect; const aWindowName: ustring);
function AddBrowser(const aBrowser : ICefBrowser) : boolean;
function RemoveBrowser(const aBrowser : ICefBrowser) : boolean;
procedure SetBrowserIsClosing(aID : integer);
{$IFDEF MSWINDOWS}
procedure PrefsAvailableMsg(aResultOK : boolean);
function SendCompMessage(aMsg : cardinal; aWParam : WPARAM = 0; aLParam : LPARAM = 0) : boolean;
procedure ToMouseEvent(grfKeyState : Longint; pt : TPoint; var aMouseEvent : TCefMouseEvent);
procedure WndProc(var aMessage: TMessage);
procedure CreateStub(const aMethod : TWndMethod; var aStub : Pointer);
procedure FreeAndNilStub(var aStub : pointer);
function InstallCompWndProc(aWnd: THandle; aStub: Pointer): TFNWndProc;
procedure RestoreCompWndProc(var aOldWnd: THandle; aNewWnd: THandle; var aProc: TFNWndProc);
procedure CallOldCompWndProc(aProc: TFNWndProc; aWnd: THandle; var aMessage: TMessage);
procedure BrowserCompWndProc(var aMessage: TMessage);
procedure WidgetCompWndProc(var aMessage: TMessage);
procedure RenderCompWndProc(var aMessage: TMessage);
function CopyDCToBitmapStream(aSrcDC : HDC; const aSrcRect : TRect; var aStream : TStream) : boolean;
{$ENDIF}
procedure DragDropManager_OnDragEnter(Sender: TObject; const aDragData : ICefDragData; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
procedure DragDropManager_OnDragOver(Sender: TObject; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
procedure DragDropManager_OnDragLeave(Sender: TObject);
procedure DragDropManager_OnDrop(Sender: TObject; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
// IChromiumEvents
procedure GetSettings(var aSettings : TCefBrowserSettings);
// ICefClient
function doOnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const aMessage: ICefProcessMessage): Boolean; virtual;
// ICefLoadHandler
procedure doOnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType); virtual;
procedure doOnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer); virtual;
procedure doOnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: TCefErrorCode; const errorText, failedUrl: ustring); virtual;
procedure doOnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean); virtual;
// ICefFocusHandler
procedure doOnTakeFocus(const browser: ICefBrowser; next: Boolean); virtual;
function doOnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean; virtual;
procedure doOnGotFocus(const browser: ICefBrowser); virtual;
// ICefContextMenuHandler
procedure doOnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); virtual;
function doRunContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel; const callback: ICefRunContextMenuCallback): Boolean; virtual;
function doOnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: TCefEventFlags): Boolean; virtual;
procedure doOnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); virtual;
// ICefKeyboardHandler
function doOnPreKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: TCefEventHandle; out isKeyboardShortcut: Boolean): Boolean; virtual;
function doOnKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: TCefEventHandle): Boolean; virtual;
// ICefDisplayHandler
procedure doOnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring); virtual;
procedure doOnTitleChange(const browser: ICefBrowser; const title: ustring); virtual;
procedure doOnFaviconUrlChange(const browser: ICefBrowser; const iconUrls: TStrings); virtual;
procedure doOnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean); virtual;
function doOnTooltip(const browser: ICefBrowser; var text: ustring): Boolean; virtual;
procedure doOnStatusMessage(const browser: ICefBrowser; const value: ustring); virtual;
function doOnConsoleMessage(const browser: ICefBrowser; level: TCefLogSeverity; const aMessage, source: ustring; line: Integer): Boolean; virtual;
function doOnAutoResize(const browser: ICefBrowser; const new_size: PCefSize): Boolean; virtual;
procedure doOnLoadingProgressChange(const browser: ICefBrowser; const progress: double); virtual;
// ICefDownloadHandler
procedure doOnBeforeDownload(const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const suggestedName: ustring; const callback: ICefBeforeDownloadCallback); virtual;
procedure doOnDownloadUpdated(const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const callback: ICefDownloadItemCallback); virtual;
// ICefJsDialogHandler
function doOnJsdialog(const browser: ICefBrowser; const originUrl: ustring; dialogType: TCefJsDialogType; const messageText, defaultPromptText: ustring; const callback: ICefJsDialogCallback; out suppressMessage: Boolean): Boolean; virtual;
function doOnBeforeUnloadDialog(const browser: ICefBrowser; const messageText: ustring; isReload: Boolean; const callback: ICefJsDialogCallback): Boolean; virtual;
procedure doOnResetDialogState(const browser: ICefBrowser); virtual;
procedure doOnDialogClosed(const browser: ICefBrowser); virtual;
// ICefLifeSpanHandler
function doOnBeforePopup(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var extra_info: ICefDictionaryValue; var noJavascriptAccess: Boolean): Boolean; virtual;
procedure doOnAfterCreated(const browser: ICefBrowser); virtual;
procedure doOnBeforeClose(const browser: ICefBrowser); virtual;
function doOnClose(const browser: ICefBrowser): Boolean; virtual;
// ICefRequestHandler
function doOnBeforeBrowse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; user_gesture, isRedirect: Boolean): Boolean; virtual;
function doOnOpenUrlFromTab(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean): Boolean; virtual;
procedure doGetResourceRequestHandler_ReqHdlr(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; is_navigation, is_download: boolean; const request_initiator: ustring; var disable_default_handling: boolean; var aResourceRequestHandler : ICefResourceRequestHandler); virtual;
function doOnGetAuthCredentials(const browser: ICefBrowser; const originUrl: ustring; isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean; virtual;
function doOnQuotaRequest(const browser: ICefBrowser; const originUrl: ustring; newSize: Int64; const callback: ICefRequestCallback): Boolean; virtual;
function doOnCertificateError(const browser: ICefBrowser; certError: TCefErrorcode; const requestUrl: ustring; const sslInfo: ICefSslInfo; const callback: ICefRequestCallback): Boolean; virtual;
function doOnSelectClientCertificate(const browser: ICefBrowser; isProxy: boolean; const host: ustring; port: integer; certificatesCount: NativeUInt; const certificates: TCefX509CertificateArray; const callback: ICefSelectClientCertificateCallback): boolean; virtual;
procedure doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring); virtual;
procedure doOnRenderViewReady(const browser: ICefBrowser); virtual;
procedure doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus); virtual;
procedure doOnDocumentAvailableInMainFrame(const browser: ICefBrowser); virtual;
// ICefResourceRequestHandler
function doOnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue; virtual;
procedure doOnGetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var aResourceHandler : ICefResourceHandler); virtual;
procedure doOnResourceRedirect(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var newUrl: ustring); virtual;
function doOnResourceResponse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): Boolean; virtual;
procedure doOnGetResourceResponseFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var aResponseFilter: ICefResponseFilter); virtual;
procedure doOnResourceLoadComplete(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; status: TCefUrlRequestStatus; receivedContentLength: Int64); virtual;
procedure doOnProtocolExecution(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var allowOsExecution: Boolean); virtual;
// ICefCookieAccessFilter
function doCanSendCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const cookie: PCefCookie): boolean; virtual;
function doCanSaveCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; const cookie: PCefCookie): boolean; virtual;
// ICefDialogHandler
function doOnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode; const title, defaultFilePath: ustring; const acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean; virtual;
// ICefRenderHandler
procedure doOnGetAccessibilityHandler(var aAccessibilityHandler : ICefAccessibilityHandler); virtual;
function doOnGetRootScreenRect(const browser: ICefBrowser; var rect: TCefRect): Boolean; virtual;
procedure doOnGetViewRect(const browser: ICefBrowser; var rect: TCefRect); virtual;
function doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer; var screenX, screenY: Integer): Boolean; virtual;
function doOnGetScreenInfo(const browser: ICefBrowser; var screenInfo: TCefScreenInfo): Boolean; virtual;
procedure doOnPopupShow(const browser: ICefBrowser; show: Boolean); virtual;
procedure doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect); virtual;
procedure doOnPaint(const browser: ICefBrowser; type_: TCefPaintElementType; dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray; const buffer: Pointer; width, height: Integer); virtual;
procedure doOnAcceleratedPaint(const browser: ICefBrowser; type_: TCefPaintElementType; dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray; shared_handle: Pointer); virtual;
procedure doOnCursorChange(const browser: ICefBrowser; cursor: TCefCursorHandle; cursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo); virtual;
function doOnStartDragging(const browser: ICefBrowser; const dragData: ICefDragData; allowedOps: TCefDragOperations; x, y: Integer): Boolean; virtual;
procedure doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation); virtual;
procedure doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double); virtual;
procedure doOnIMECompositionRangeChanged(const browser: ICefBrowser; const selected_range: PCefRange; character_boundsCount: NativeUInt; const character_bounds: PCefRect); virtual;
procedure doOnTextSelectionChanged(const browser: ICefBrowser; const selected_text: ustring; const selected_range: PCefRange); virtual;
procedure doOnVirtualKeyboardRequested(const browser: ICefBrowser; input_mode: TCefTextInpuMode); virtual;
// ICefDragHandler
function doOnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData; mask: TCefDragOperations): Boolean; virtual;
procedure doOnDraggableRegionsChanged(const browser: ICefBrowser; const frame: ICefFrame; regionsCount: NativeUInt; const regions: PCefDraggableRegionArray); virtual;
// ICefFindHandler
procedure doOnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean); virtual;
// ICefRequestContextHandler
procedure doOnRequestContextInitialized(const request_context: ICefRequestContext); virtual;
function doOnBeforePluginLoad(const mimeType, pluginUrl:ustring; isMainFrame : boolean; const topOriginUrl: ustring; const pluginInfo: ICefWebPluginInfo; var pluginPolicy: TCefPluginPolicy): Boolean; virtual;
procedure doGetResourceRequestHandler_ReqCtxHdlr(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; is_navigation, is_download: boolean; const request_initiator: ustring; var disable_default_handling: boolean; var aResourceRequestHandler : ICefResourceRequestHandler); virtual;
// ICefMediaObserver
procedure doOnSinks(const sinks: TCefMediaSinkArray); virtual;
procedure doOnRoutes(const routes: TCefMediaRouteArray); virtual;
procedure doOnRouteStateChanged(const route: ICefMediaRoute; state: TCefMediaRouteConnectionState); virtual;
procedure doOnRouteMessageReceived(const route: ICefMediaRoute; const message_: ustring); virtual;
// ICefAudioHandler
procedure doOnGetAudioParameters(const browser: ICefBrowser; var params: TCefAudioParameters; var aResult: boolean); virtual;
procedure doOnAudioStreamStarted(const browser: ICefBrowser; const params: TCefAudioParameters; channels: integer); virtual;
procedure doOnAudioStreamPacket(const browser: ICefBrowser; const data : PPSingle; frames: integer; pts: int64); virtual;
procedure doOnAudioStreamStopped(const browser: ICefBrowser); virtual;
procedure doOnAudioStreamError(const browser: ICefBrowser; const message_: ustring); virtual;
// ICefDevToolsMessageObserver
procedure doOnDevToolsMessage(const browser: ICefBrowser; const message_: ICefValue; var aHandled: boolean); virtual;
procedure doOnDevToolsMethodResult(const browser: ICefBrowser; message_id: integer; success: boolean; const result: ICefValue); virtual;
procedure doOnDevToolsEvent(const method: ustring; const params: ICefValue); virtual;
procedure doOnDevToolsAgentAttached(const browser: ICefBrowser); virtual;
procedure doOnDevToolsAgentDetached(const browser: ICefBrowser); virtual;
// Custom
procedure doCookiesDeleted(numDeleted : integer); virtual;
procedure doPdfPrintFinished(aResultOK : boolean); virtual;
procedure doTextResultAvailable(const aText : ustring); virtual;
procedure doUpdatePreferences(const aBrowser: ICefBrowser); virtual;
procedure doUpdateOwnPreferences; virtual;
function doSavePreferences : boolean; virtual;
procedure doResolvedHostAvailable(result: TCefErrorCode; const resolvedIps: TStrings); virtual;
function doNavigationVisitorResultAvailable(const entry: ICefNavigationEntry; current: Boolean; index, total: Integer) : boolean; virtual;
procedure doDownloadImageFinished(const imageUrl: ustring; httpStatusCode: Integer; const image: ICefImage); virtual;
procedure doOnCookiesStoreFlushed; virtual;
procedure doCertificateExceptionsCleared; virtual;
procedure doHttpAuthCredentialsCleared; virtual;
procedure doAllConnectionsClosed; virtual;
procedure doOnExecuteTaskOnCefThread(aTaskID : cardinal); virtual;
procedure doOnCookiesVisited(const name_, value, domain, path: ustring; secure, httponly, hasExpires: Boolean; const creation, lastAccess, expires: TDateTime; count, total, aID : Integer; same_site : TCefCookieSameSite; priority : TCefCookiePriority; var aDeleteCookie, aResult : Boolean); virtual;
procedure doOnCookieVisitorDestroyed(aID : integer); virtual;
procedure doOnCookieSet(aSuccess : boolean; aID : integer); virtual;
procedure doUpdateZoomStep(aInc : boolean); virtual;
procedure doUpdateZoomPct(aInc : boolean); virtual;
procedure doReadZoom; virtual;
procedure doSetZoomLevel(const aValue : double); virtual;
procedure doSetZoomPct(const aValue : double); virtual;
procedure doSetZoomStep(aValue : byte); virtual;
procedure doMediaRouteCreateFinished(result: TCefMediaRouterCreateResult; const error: ustring; const route: ICefMediaRoute); virtual;
function MustCreateAudioHandler : boolean; virtual;
function MustCreateDevToolsMessageObserver : boolean; virtual;
function MustCreateLoadHandler : boolean; virtual;
function MustCreateFocusHandler : boolean; virtual;
function MustCreateContextMenuHandler : boolean; virtual;
function MustCreateDialogHandler : boolean; virtual;
function MustCreateKeyboardHandler : boolean; virtual;
function MustCreateDisplayHandler : boolean; virtual;
function MustCreateDownloadHandler : boolean; virtual;
function MustCreateJsDialogHandler : boolean; virtual;
function MustCreateLifeSpanHandler : boolean; virtual;
function MustCreateRenderHandler : boolean; virtual;
function MustCreateRequestHandler : boolean; virtual;
function MustCreateDragHandler : boolean; virtual;
function MustCreateFindHandler : boolean; virtual;
function MustCreateResourceRequestHandler : boolean; virtual;
function MustCreateCookieAccessFilter : boolean; virtual;
function MustCreateRequestContextHandler : boolean; virtual;
function MustCreateMediaObserver : boolean; virtual;
property ParentFormHandle : TCefWindowHandle read GetParentFormHandle;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure AfterConstruction; override;
procedure BeforeDestruction; override;
function CreateClientHandler(aIsOSR : boolean = True) : boolean; overload;
function CreateClientHandler(var aClient : ICefClient; aIsOSR : boolean = True) : boolean; overload;
procedure CloseBrowser(aForceClose : boolean);
procedure CloseAllBrowsers;
function TryCloseBrowser : boolean;
function SelectBrowser(aID : integer) : boolean;
function IndexOfBrowserID(aID : integer) : integer;
function ShareRequestContext(var aContext : ICefRequestContext; const aHandler : ICefRequestContextHandler = nil) : boolean;
{$IFDEF MSWINDOWS}
procedure InitializeDragAndDrop(const aDropTargetWnd : HWND);
procedure ShutdownDragAndDrop;
function SetNewBrowserParent(aNewParentHwnd : HWND) : boolean;
{$ENDIF MSWINDOWS}
function CreateBrowser(aParentHandle : TCefWindowHandle; aParentRect : TRect; const aWindowName : ustring = ''; const aContext : ICefRequestContext = nil; const aExtraInfo : ICefDictionaryValue = nil) : boolean; overload; virtual;
function CreateBrowser(const aURL : ustring; const aBrowserViewComp : TCEFBrowserViewComponent; const aContext : ICefRequestContext = nil; const aExtraInfo : ICefDictionaryValue = nil) : boolean; overload; virtual;
procedure LoadURL(const aURL : ustring; const aFrameName : ustring = ''); overload;
procedure LoadURL(const aURL : ustring; const aFrame : ICefFrame); overload;
procedure LoadURL(const aURL : ustring; const aFrameIdentifier : int64); overload;
procedure LoadString(const aHTML : ustring; const aFrameName : ustring = ''); overload;
procedure LoadString(const aHTML : ustring; const aFrame : ICefFrame); overload;
procedure LoadString(const aHTML : ustring; const aFrameIdentifier : int64); overload;
procedure LoadResource(const aStream : TCustomMemoryStream; const aMimeType, aCharset : string; const aFrameName : ustring = ''); overload;
procedure LoadResource(const aStream : TCustomMemoryStream; const aMimeType, aCharset : string; const aFrame : ICefFrame); overload;
procedure LoadResource(const aStream : TCustomMemoryStream; const aMimeType, aCharset : string; const aFrameIdentifier : int64); overload;
procedure LoadRequest(const aRequest: ICefRequest);
procedure GoBack;
procedure GoForward;
procedure Reload;
procedure ReloadIgnoreCache;
procedure StopLoad;
procedure StartDownload(const aURL : ustring);
procedure DownloadImage(const imageUrl: ustring; isFavicon: Boolean; maxImageSize: cardinal; bypassCache: Boolean);
procedure SimulateMouseWheel(aDeltaX, aDeltaY : integer);
function ClearCertificateExceptions(aClearImmediately : boolean = True) : boolean;
function ClearHttpAuthCredentials(aClearImmediately : boolean = True) : boolean;
function CloseAllConnections(aCloseImmediately : boolean = True) : boolean;
procedure RetrieveHTML(const aFrameName : ustring = ''); overload;
procedure RetrieveHTML(const aFrame : ICefFrame); overload;
procedure RetrieveHTML(const aFrameIdentifier : int64); overload;
procedure RetrieveText(const aFrameName : ustring = ''); overload;
procedure RetrieveText(const aFrame : ICefFrame); overload;
procedure RetrieveText(const aFrameIdentifier : int64); overload;
procedure GetNavigationEntries(currentOnly: Boolean);
function GetFrameNames(var aFrameNames : TStrings) : boolean;
function GetFrameIdentifiers(var aFrameCount : NativeUInt; var aFrameIdentifierArray : TCefFrameIdentifierArray) : boolean;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameName : ustring = ''; aStartLine : integer = 0); overload;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrame : ICefFrame; aStartLine : integer = 0); overload;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameIdentifier : int64; aStartLine : integer = 0); overload;
procedure UpdatePreferences;
procedure SavePreferences(const aFileName : string);
procedure ResolveHost(const aURL : ustring);
function IsSameBrowser(const aBrowser : ICefBrowser) : boolean;
function ExecuteTaskOnCefThread(aCefThreadId : TCefThreadId; aTaskID : cardinal; aDelayMs : Int64 = 0) : boolean;
procedure SetUserAgentOverride(const aUserAgent : ustring; const aAcceptLanguage : ustring = ''; const aPlatform : ustring = '');
procedure ClearDataForOrigin(const aOriginURL : ustring; aStorageTypes : TCefClearDataStorageTypes = cdstAll);
procedure ClearCache;
function DeleteCookies(const url : ustring = ''; const cookieName : ustring = ''; aDeleteImmediately : boolean = False) : boolean;
function VisitAllCookies(aID : integer = 0) : boolean;
function VisitURLCookies(const url : ustring; includeHttpOnly : boolean = False; aID : integer = 0) : boolean;
function SetCookie(const url, name_, value, domain, path: ustring; secure, httponly, hasExpires: Boolean; const creation, lastAccess, expires: TDateTime; same_site : TCefCookieSameSite; priority : TCefCookiePriority; aSetImmediately : boolean = True; aID : integer = 0): Boolean;
function FlushCookieStore(aFlushImmediately : boolean = True) : boolean;
procedure UpdateSupportedSchemes(const aSchemes : TStrings; aIncludeDefaults : boolean = True);
procedure ShowDevTools(const inspectElementAt: TPoint; aWindowInfo: PCefWindowInfo);
procedure CloseDevTools(const aDevToolsWnd : TCefWindowHandle = 0);
function SendDevToolsMessage(const message_: ustring): boolean;
function ExecuteDevToolsMethod(message_id: integer; const method: ustring; const params: ICefDictionaryValue): Integer;
function AddDevToolsMessageObserver(const observer: ICefDevToolsMessageObserver): ICefRegistration;
procedure Find(aIdentifier : integer; const aSearchText : ustring; aForward, aMatchCase, aFindNext : Boolean);
procedure StopFinding(aClearSelection : Boolean);
procedure Print;
procedure PrintToPDF(const aFilePath, aTitle, aURL : ustring);
procedure ClipboardCopy;
procedure ClipboardPaste;
procedure ClipboardCut;
procedure ClipboardUndo;
procedure ClipboardRedo;
procedure ClipboardDel;
procedure SelectAll;
procedure IncZoomStep;
procedure DecZoomStep;
procedure IncZoomPct;
procedure DecZoomPct;
procedure ResetZoomStep;
procedure ResetZoomLevel;
procedure ResetZoomPct;
procedure ReadZoom;
procedure WasResized;
procedure WasHidden(hidden: Boolean);
procedure NotifyScreenInfoChanged;
procedure NotifyMoveOrResizeStarted;
procedure Invalidate(type_: TCefPaintElementType = PET_VIEW);
procedure SendExternalBeginFrame;
procedure SendKeyEvent(const event: PCefKeyEvent);
procedure SendMouseClickEvent(const event: PCefMouseEvent; type_: TCefMouseButtonType; mouseUp: Boolean; clickCount: Integer);
procedure SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean);
procedure SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer);
procedure SendTouchEvent(const event: PCefTouchEvent);
procedure SendFocusEvent(setFocus: Boolean);
procedure SendCaptureLostEvent;
procedure SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage; const aFrameName : ustring = ''); overload;
procedure SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage; const aFrame : ICefFrame); overload;
procedure SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage; const aFrameIdentifier : int64); overload;
function CreateUrlRequest(const request: ICefRequest; const client: ICefUrlrequestClient; const aFrameName : ustring = ''): ICefUrlRequest; overload;
function CreateUrlRequest(const request: ICefRequest; const client: ICefUrlrequestClient; const aFrame : ICefFrame): ICefUrlRequest; overload;
function CreateUrlRequest(const request: ICefRequest; const client: ICefUrlrequestClient; const aFrameIdentifier : int64): ICefUrlRequest; overload;
procedure SetFocus(focus: Boolean);
procedure SetAccessibilityState(accessibilityState: TCefState);
procedure DragTargetDragEnter(const dragData: ICefDragData; const event: PCefMouseEvent; allowedOps: TCefDragOperations);
procedure DragTargetDragOver(const event: PCefMouseEvent; allowedOps: TCefDragOperations);
procedure DragTargetDragLeave;
procedure DragTargetDrop(const event: PCefMouseEvent);
procedure DragSourceEndedAt(x, y: Integer; op: TCefDragOperation);
procedure DragSourceSystemDragEnded;
procedure IMESetComposition(const text: ustring; const underlines : TCefCompositionUnderlineDynArray; const replacement_range, selection_range : PCefRange);
procedure IMECommitText(const text: ustring; const replacement_range : PCefRange; relative_cursor_pos : integer);
procedure IMEFinishComposingText(keep_selection : boolean);
procedure IMECancelComposition;
// ICefMediaRouter methods
function AddObserver(const observer: ICefMediaObserver): ICefRegistration;
function GetSource(const urn: ustring): ICefMediaSource;
procedure NotifyCurrentSinks;
procedure NotifyCurrentRoutes;
procedure CreateRoute(const source: ICefMediaSource; const sink: ICefMediaSink);
property DefaultUrl : ustring read FDefaultUrl write FDefaultUrl;
property Options : TChromiumOptions read FOptions write FOptions;
property FontOptions : TChromiumFontOptions read FFontOptions write FFontOptions;
property PDFPrintOptions : TPDFPrintOptions read FPDFPrintOptions write FPDFPrintOptions;
property DefaultEncoding : ustring read FDefaultEncoding write FDefaultEncoding;
property BrowserId : integer read GetBrowserId;
property Browser : ICefBrowser read GetBrowser;
property BrowserById[id : integer] : ICefBrowser read GetBrowserById;
property BrowserCount : integer read GetBrowserCount;
property BrowserIdByIndex[i : integer] : integer read GetBrowserIdByIndex;
property CefClient : ICefClient read FHandler;
property ReqContextHandler : ICefRequestContextHandler read FReqContextHandler;
property ResourceRequestHandler : ICefResourceRequestHandler read FResourceRequestHandler;
property CefWindowInfo : TCefWindowInfo read FWindowInfo;
property VisibleNavigationEntry : ICefNavigationEntry read GetVisibleNavigationEntry;
property RequestContext : ICefRequestContext read GetRequestContext;
property MediaRouter : ICefMediaRouter read GetMediaRouter;
property MediaObserver : ICefMediaObserver read FMediaObserver;
property MediaObserverReg : ICefRegistration read FMediaObserverReg;
property DevToolsMsgObserver : ICefDevToolsMessageObserver read FDevToolsMsgObserver;
property DevToolsMsgObserverReg : ICefRegistration read FDevToolsMsgObserverReg;
property MultithreadApp : boolean read GetMultithreadApp;
property IsLoading : boolean read GetIsLoading;
property HasDocument : boolean read GetHasDocument;
property HasView : boolean read GetHasView;
property HasDevTools : boolean read GetHasDevTools;
property HasClientHandler : boolean read GetHasClientHandler;
property HasBrowser : boolean read GetHasBrowser;
property CanGoBack : boolean read GetCanGoBack;
property CanGoForward : boolean read GetCanGoForward;
property IsPopUp : boolean read GetIsPopUp;
property WindowHandle : TCefWindowHandle read GetWindowHandle;
{$IFDEF MSWINDOWS}
property BrowserHandle : THandle read FBrowserCompHWND;
property WidgetHandle : THandle read FWidgetCompHWND;
property RenderHandle : THandle read FRenderCompHWND;
{$ENDIF}
property FrameIsFocused : boolean read GetFrameIsFocused;
property Initialized : boolean read GetInitialized;
property RequestContextCache : ustring read GetRequestContextCache;
property RequestContextIsGlobal : boolean read GetRequestContextIsGlobal;
property DocumentURL : ustring read GetDocumentURL;
property ZoomLevel : double read GetZoomLevel write SetZoomLevel;
property ZoomPct : double read GetZoomPct write SetZoomPct;
property ZoomStep : byte read GetZoomStep write SetZoomStep;
property WindowlessFrameRate : integer read GetWindowlessFrameRate write SetWindowlessFrameRate;
property CustomHeaderName : ustring read FCustomHeaderName write SetCustomHeaderName;
property CustomHeaderValue : ustring read FCustomHeaderValue write SetCustomHeaderValue;
property DoNotTrack : boolean read FDoNotTrack write SetDoNotTrack;
property SendReferrer : boolean read FSendReferrer write SetSendReferrer;
property HyperlinkAuditing : boolean read FHyperlinkAuditing write SetHyperlinkAuditing;
property RunAllFlashInAllowMode : boolean read FRunAllFlashInAllowMode write SetRunAllFlashInAllowMode;
property AllowOutdatedPlugins : boolean read FAllowOutdatedPlugins write SetAllowOutdatedPlugins;
property AlwaysAuthorizePlugins : boolean read FAlwaysAuthorizePlugins write SetAlwaysAuthorizePlugins;
property SpellChecking : boolean read FSpellChecking write SetSpellChecking;
property SpellCheckerDicts : ustring read FSpellCheckerDicts write SetSpellCheckerDicts;
property HasValidMainFrame : boolean read GetHasValidMainFrame;
property FrameCount : NativeUInt read GetFrameCount;
property DragOperations : TCefDragOperations read FDragOperations write FDragOperations;
property AudioMuted : boolean read GetAudioMuted write SetAudioMuted;
property SafeSearch : boolean read FSafeSearch write SetSafeSearch;
property YouTubeRestrict : integer read FYouTubeRestrict write SetYouTubeRestrict;
property PrintingEnabled : boolean read FPrintingEnabled write SetPrintingEnabled;
property AcceptLanguageList : ustring read FAcceptLanguageList write SetAcceptLanguageList;
property AcceptCookies : TCefCookiePref read FAcceptCookies write SetAcceptCookies;
property Block3rdPartyCookies : boolean read FBlock3rdPartyCookies write SetBlock3rdPartyCookies;
property MultiBrowserMode : boolean read FMultiBrowserMode write SetMultiBrowserMode;
property DefaultWindowInfoExStyle : cardinal read FDefaultWindowInfoExStyle write FDefaultWindowInfoExStyle;
property Offline : boolean read FOffline write SetOffline;
property WebRTCIPHandlingPolicy : TCefWebRTCHandlingPolicy read FWebRTCIPHandlingPolicy write SetWebRTCIPHandlingPolicy;
property WebRTCMultipleRoutes : TCefState read FWebRTCMultipleRoutes write SetWebRTCMultipleRoutes;
property WebRTCNonproxiedUDP : TCefState read FWebRTCNonProxiedUDP write SetWebRTCNonProxiedUDP;
property ProxyType : integer read FProxyType write SetProxyType;
property ProxyScheme : TCefProxyScheme read FProxyScheme write SetProxyScheme;
property ProxyServer : ustring read FProxyServer write SetProxyServer;
property ProxyPort : integer read FProxyPort write SetProxyPort;
property ProxyUsername : ustring read FProxyUsername write SetProxyUsername;
property ProxyPassword : ustring read FProxyPassword write SetProxyPassword;
property ProxyScriptURL : ustring read FProxyScriptURL write SetProxyScriptURL;
property ProxyByPassList : ustring read FProxyByPassList write SetProxyByPassList;
property MaxConnectionsPerProxy : integer read FMaxConnectionsPerProxy write SetMaxConnectionsPerProxy;
published
property OnTextResultAvailable : TOnTextResultAvailableEvent read FOnTextResultAvailable write FOnTextResultAvailable;
property OnPdfPrintFinished : TOnPdfPrintFinishedEvent read FOnPdfPrintFinished write FOnPdfPrintFinished;
property OnPrefsAvailable : TOnPrefsAvailableEvent read FOnPrefsAvailable write FOnPrefsAvailable;
property OnCookiesDeleted : TOnCookiesDeletedEvent read FOnCookiesDeleted write FOnCookiesDeleted;
property OnResolvedHostAvailable : TOnResolvedIPsAvailableEvent read FOnResolvedHostAvailable write FOnResolvedHostAvailable;
property OnNavigationVisitorResultAvailable : TOnNavigationVisitorResultAvailableEvent read FOnNavigationVisitorResultAvailable write FOnNavigationVisitorResultAvailable;
property OnDownloadImageFinished : TOnDownloadImageFinishedEvent read FOnDownloadImageFinished write FOnDownloadImageFinished;
property OnCookiesFlushed : TNotifyEvent read FOnCookiesFlushed write FOnCookiesFlushed;
property OnCertificateExceptionsCleared : TNotifyEvent read FOnCertificateExceptionsCleared write FOnCertificateExceptionsCleared;
property OnHttpAuthCredentialsCleared : TNotifyEvent read FOnHttpAuthCredentialsCleared write FOnHttpAuthCredentialsCleared;
property OnAllConnectionsClosed : TNotifyEvent read FOnAllConnectionsClosed write FOnAllConnectionsClosed;
property OnExecuteTaskOnCefThread : TOnExecuteTaskOnCefThread read FOnExecuteTaskOnCefThread write FOnExecuteTaskOnCefThread;
property OnCookiesVisited : TOnCookiesVisited read FOnCookiesVisited write FOnCookiesVisited;
property OnCookieVisitorDestroyed : TOnCookieVisitorDestroyed read FOnCookieVisitorDestroyed write FOnCookieVisitorDestroyed;
property OnCookieSet : TOnCookieSet read FOnCookieSet write FOnCookieSet;
property OnZoomPctAvailable : TOnZoomPctAvailable read FOnZoomPctAvailable write FOnZoomPctAvailable;
property OnMediaRouteCreateFinished : TOnMediaRouteCreateFinishedEvent read FOnMediaRouteCreateFinished write FOnMediaRouteCreateFinished;
{$IFDEF MSWINDOWS}
property OnBrowserCompMsg : TOnCompMsgEvent read FOnBrowserCompMsg write FOnBrowserCompMsg;
property OnWidgetCompMsg : TOnCompMsgEvent read FOnWidgetCompMsg write FOnWidgetCompMsg;
property OnRenderCompMsg : TOnCompMsgEvent read FOnRenderCompMsg write FOnRenderCompMsg;
{$ENDIF}
// ICefClient
property OnProcessMessageReceived : TOnProcessMessageReceived read FOnProcessMessageReceived write FOnProcessMessageReceived;
// ICefLoadHandler
property OnLoadStart : TOnLoadStart read FOnLoadStart write FOnLoadStart;
property OnLoadEnd : TOnLoadEnd read FOnLoadEnd write FOnLoadEnd;
property OnLoadError : TOnLoadError read FOnLoadError write FOnLoadError;
property OnLoadingStateChange : TOnLoadingStateChange read FOnLoadingStateChange write FOnLoadingStateChange;
// ICefFocusHandler
property OnTakeFocus : TOnTakeFocus read FOnTakeFocus write FOnTakeFocus;
property OnSetFocus : TOnSetFocus read FOnSetFocus write FOnSetFocus;
property OnGotFocus : TOnGotFocus read FOnGotFocus write FOnGotFocus;
// ICefContextMenuHandler
property OnBeforeContextMenu : TOnBeforeContextMenu read FOnBeforeContextMenu write FOnBeforeContextMenu;
property OnRunContextMenu : TOnRunContextMenu read FOnRunContextMenu write FOnRunContextMenu;
property OnContextMenuCommand : TOnContextMenuCommand read FOnContextMenuCommand write FOnContextMenuCommand;
property OnContextMenuDismissed : TOnContextMenuDismissed read FOnContextMenuDismissed write FOnContextMenuDismissed;
// ICefKeyboardHandler
property OnPreKeyEvent : TOnPreKeyEvent read FOnPreKeyEvent write FOnPreKeyEvent;
property OnKeyEvent : TOnKeyEvent read FOnKeyEvent write FOnKeyEvent;
// ICefDisplayHandler
property OnAddressChange : TOnAddressChange read FOnAddressChange write FOnAddressChange;
property OnTitleChange : TOnTitleChange read FOnTitleChange write FOnTitleChange;
property OnFavIconUrlChange : TOnFavIconUrlChange read FOnFavIconUrlChange write FOnFavIconUrlChange;
property OnFullScreenModeChange : TOnFullScreenModeChange read FOnFullScreenModeChange write FOnFullScreenModeChange;
property OnTooltip : TOnTooltip read FOnTooltip write FOnTooltip;
property OnStatusMessage : TOnStatusMessage read FOnStatusMessage write FOnStatusMessage;
property OnConsoleMessage : TOnConsoleMessage read FOnConsoleMessage write FOnConsoleMessage;
property OnAutoResize : TOnAutoResize read FOnAutoResize write FOnAutoResize;
property OnLoadingProgressChange : TOnLoadingProgressChange read FOnLoadingProgressChange write FOnLoadingProgressChange;
// ICefDownloadHandler
property OnBeforeDownload : TOnBeforeDownload read FOnBeforeDownload write FOnBeforeDownload;
property OnDownloadUpdated : TOnDownloadUpdated read FOnDownloadUpdated write FOnDownloadUpdated;
// ICefJsDialogHandler
property OnJsdialog : TOnJsdialog read FOnJsdialog write FOnJsdialog;
property OnBeforeUnloadDialog : TOnBeforeUnloadDialog read FOnBeforeUnloadDialog write FOnBeforeUnloadDialog;
property OnResetDialogState : TOnResetDialogState read FOnResetDialogState write FOnResetDialogState;
property OnDialogClosed : TOnDialogClosed read FOnDialogClosed write FOnDialogClosed;
// ICefLifeSpanHandler
property OnBeforePopup : TOnBeforePopup read FOnBeforePopup write FOnBeforePopup;
property OnAfterCreated : TOnAfterCreated read FOnAfterCreated write FOnAfterCreated;
property OnBeforeClose : TOnBeforeClose read FOnBeforeClose write FOnBeforeClose;
property OnClose : TOnClose read FOnClose write FOnClose;
// ICefRequestHandler
property OnBeforeBrowse : TOnBeforeBrowse read FOnBeforeBrowse write FOnBeforeBrowse;
property OnOpenUrlFromTab : TOnOpenUrlFromTab read FOnOpenUrlFromTab write FOnOpenUrlFromTab;
property OnGetAuthCredentials : TOnGetAuthCredentials read FOnGetAuthCredentials write FOnGetAuthCredentials;
property OnQuotaRequest : TOnQuotaRequest read FOnQuotaRequest write FOnQuotaRequest;
property OnCertificateError : TOnCertificateError read FOnCertificateError write FOnCertificateError;
property OnSelectClientCertificate : TOnSelectClientCertificate read FOnSelectClientCertificate write FOnSelectClientCertificate;
property OnPluginCrashed : TOnPluginCrashed read FOnPluginCrashed write FOnPluginCrashed;
property OnRenderViewReady : TOnRenderViewReady read FOnRenderViewReady write FOnRenderViewReady;
property OnRenderProcessTerminated : TOnRenderProcessTerminated read FOnRenderProcessTerminated write FOnRenderProcessTerminated;
property OnGetResourceRequestHandler_ReqHdlr : TOnGetResourceRequestHandler read FOnGetResourceRequestHandler_ReqHdlr write FOnGetResourceRequestHandler_ReqHdlr;
property OnDocumentAvailableInMainFrame : TOnDocumentAvailableInMainFrame read FOnDocumentAvailableInMainFrame write FOnDocumentAvailableInMainFrame;
// ICefResourceRequestHandler
property OnBeforeResourceLoad : TOnBeforeResourceLoad read FOnBeforeResourceLoad write FOnBeforeResourceLoad;
property OnGetResourceHandler : TOnGetResourceHandler read FOnGetResourceHandler write FOnGetResourceHandler;
property OnResourceRedirect : TOnResourceRedirect read FOnResourceRedirect write FOnResourceRedirect;
property OnResourceResponse : TOnResourceResponse read FOnResourceResponse write FOnResourceResponse;
property OnGetResourceResponseFilter : TOnGetResourceResponseFilter read FOnGetResourceResponseFilter write FOnGetResourceResponseFilter;
property OnResourceLoadComplete : TOnResourceLoadComplete read FOnResourceLoadComplete write FOnResourceLoadComplete;
property OnProtocolExecution : TOnProtocolExecution read FOnProtocolExecution write FOnProtocolExecution;
// ICefCookieAccessFilter
property OnCanSendCookie : TOnCanSendCookie read FOnCanSendCookie write FOnCanSendCookie;
property OnCanSaveCookie : TOnCanSaveCookie read FOnCanSaveCookie write FOnCanSaveCookie;
// ICefDialogHandler
property OnFileDialog : TOnFileDialog read FOnFileDialog write FOnFileDialog;
// ICefRenderHandler
property OnGetAccessibilityHandler : TOnGetAccessibilityHandler read FOnGetAccessibilityHandler write FOnGetAccessibilityHandler;
property OnGetRootScreenRect : TOnGetRootScreenRect read FOnGetRootScreenRect write FOnGetRootScreenRect;
property OnGetViewRect : TOnGetViewRect read FOnGetViewRect write FOnGetViewRect;
property OnGetScreenPoint : TOnGetScreenPoint read FOnGetScreenPoint write FOnGetScreenPoint;
property OnGetScreenInfo : TOnGetScreenInfo read FOnGetScreenInfo write FOnGetScreenInfo;
property OnPopupShow : TOnPopupShow read FOnPopupShow write FOnPopupShow;
property OnPopupSize : TOnPopupSize read FOnPopupSize write FOnPopupSize;
property OnPaint : TOnPaint read FOnPaint write FOnPaint;
property OnAcceleratedPaint : TOnAcceleratedPaint read FOnAcceleratedPaint write FOnAcceleratedPaint;
property OnCursorChange : TOnCursorChange read FOnCursorChange write FOnCursorChange;
property OnStartDragging : TOnStartDragging read FOnStartDragging write FOnStartDragging;
property OnUpdateDragCursor : TOnUpdateDragCursor read FOnUpdateDragCursor write FOnUpdateDragCursor;
property OnScrollOffsetChanged : TOnScrollOffsetChanged read FOnScrollOffsetChanged write FOnScrollOffsetChanged;
property OnIMECompositionRangeChanged : TOnIMECompositionRangeChanged read FOnIMECompositionRangeChanged write FOnIMECompositionRangeChanged;
property OnTextSelectionChanged : TOnTextSelectionChanged read FOnTextSelectionChanged write FOnTextSelectionChanged;
property OnVirtualKeyboardRequested : TOnVirtualKeyboardRequested read FOnVirtualKeyboardRequested write FOnVirtualKeyboardRequested;
// ICefDragHandler
property OnDragEnter : TOnDragEnter read FOnDragEnter write FOnDragEnter;
property OnDraggableRegionsChanged : TOnDraggableRegionsChanged read FOnDraggableRegionsChanged write FOnDraggableRegionsChanged;
// ICefFindHandler
property OnFindResult : TOnFindResult read FOnFindResult write FOnFindResult;
// ICefRequestContextHandler
property OnRequestContextInitialized : TOnRequestContextInitialized read FOnRequestContextInitialized write SetOnRequestContextInitialized;
property OnBeforePluginLoad : TOnBeforePluginLoad read FOnBeforePluginLoad write SetOnBeforePluginLoad;
property OnGetResourceRequestHandler_ReqCtxHdlr : TOnGetResourceRequestHandler read FOnGetResourceRequestHandler_ReqCtxHdlr write FOnGetResourceRequestHandler_ReqCtxHdlr;
// ICefMediaObserver
property OnSinks : TOnSinksEvent read FOnSinks write FOnSinks;
property OnRoutes : TOnRoutesEvent read FOnRoutes write FOnRoutes;
property OnRouteStateChanged : TOnRouteStateChangedEvent read FOnRouteStateChanged write FOnRouteStateChanged;
property OnRouteMessageReceived : TOnRouteMessageReceivedEvent read FOnRouteMessageReceived write FOnRouteMessageReceived;
// ICefAudioHandler
property OnGetAudioParameters : TOnGetAudioParametersEvent read FOnGetAudioParameters write FOnGetAudioParameters;
property OnAudioStreamStarted : TOnAudioStreamStartedEvent read FOnAudioStreamStarted write FOnAudioStreamStarted;
property OnAudioStreamPacket : TOnAudioStreamPacketEvent read FOnAudioStreamPacket write FOnAudioStreamPacket;
property OnAudioStreamStopped : TOnAudioStreamStoppedEvent read FOnAudioStreamStopped write FOnAudioStreamStopped;
property OnAudioStreamError : TOnAudioStreamErrorEvent read FOnAudioStreamError write FOnAudioStreamError;
// ICefDevToolsMessageObserver
property OnDevToolsMessage : TOnDevToolsMessageEvent read FOnDevToolsMessage write FOnDevToolsMessage;
property OnDevToolsMethodResult : TOnDevToolsMethodResultEvent read FOnDevToolsMethodResult write FOnDevToolsMethodResult;
property OnDevToolsEvent : TOnDevToolsEventEvent read FOnDevToolsEvent write FOnDevToolsEvent;
property OnDevToolsAgentAttached : TOnDevToolsAgentAttachedEvent read FOnDevToolsAgentAttached write FOnDevToolsAgentAttached;
property OnDevToolsAgentDetached : TOnDevToolsAgentDetachedEvent read FOnDevToolsAgentDetached write FOnDevToolsAgentDetached;
end;
TBrowserInfo = class
protected
FBrowser : ICefBrowser;
FIsClosing : boolean;
FID : integer;
public
constructor Create(const aBrowser : ICefBrowser); reintroduce;
destructor Destroy; override;
property Browser : ICefBrowser read FBrowser;
property ID : integer read FID;
property IsClosing : boolean read FIsClosing write FIsClosing;
end;
TBrowserInfoList = class(TList)
protected
procedure SetBrowserIsClosing(aID : integer; aValue : boolean);
function GetBrowserIsClosing(aID : integer) : boolean;
function GetBrowser(aID : integer) : ICefBrowser;
function GetFirstBrowser : ICefBrowser;
function GetFirstID : integer;
public
destructor Destroy; override;
function AddBrowser(const aBrowser : ICefBrowser) : boolean;
function RemoveBrowser(const aBrowser : ICefBrowser) : boolean;
function SearchBrowser(aID : integer) : integer;
procedure FreeAndClearAllItems;
procedure CloseAllBrowsers;
property BrowserIsClosing[aID : integer] : boolean read GetBrowserIsClosing write SetBrowserIsClosing;
property Browser[aID : integer] : ICefBrowser read GetBrowser;
property FirstBrowser : ICefBrowser read GetFirstBrowser;
property FirstID : integer read GetFirstID;
end;
// *********************************************************
// ********************** ATTENTION ! **********************
// *********************************************************
// ** **
// ** MANY OF THE EVENTS IN CEF4DELPHI COMPONENTS LIKE **
// ** TCHROMIUM, TFMXCHROMIUM OR TCEFAPPLICATION ARE **
// ** EXECUTED IN A CEF THREAD BY DEFAULT. **
// ** **
// ** WINDOWS CONTROLS MUST BE CREATED AND DESTROYED IN **
// ** THE SAME THREAD TO AVOID ERRORS. **
// ** SOME OF THEM RECREATE THE HANDLERS IF THEY ARE **
// ** MODIFIED AND CAN CAUSE THE SAME ERRORS. **
// ** **
// ** DON'T CREATE, MODIFY OR DESTROY WINDOWS CONTROLS **
// ** INSIDE THE CEF4DELPHI EVENTS AND USE **
// ** SYNCHRONIZATION OBJECTS TO PROTECT VARIABLES AND **
// ** FIELDS IF THEY ARE ALSO USED IN THE MAIN THREAD. **
// ** **
// ** READ THIS FOR MORE INFORMATION : **
// ** https://www.briskbard.com/index.php?pageid=cef **
// ** **
// ** USE OUR FORUMS FOR MORE QUESTIONS : **
// ** https://www.briskbard.com/forum/ **
// ** **
// *********************************************************
// *********************************************************
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils, System.Math,
{$ELSE}
SysUtils, Math,
{$ENDIF}
uCEFBrowser, uCEFValue, uCEFDictionaryValue, uCEFStringMultimap, uCEFFrame,
uCEFApplicationCore, uCEFProcessMessage, uCEFRequestContext,
{$IFDEF MSWINDOWS}uCEFOLEDragAndDrop,{$ENDIF}
uCEFPDFPrintCallback, uCEFResolveCallback, uCEFDeleteCookiesCallback,
uCEFStringVisitor, uCEFListValue, uCEFNavigationEntryVisitor,
uCEFDownloadImageCallBack, uCEFCookieManager, uCEFRequestContextHandler,
uCEFCookieVisitor, uCEFSetCookieCallback, uCEFResourceRequestHandler,
uCEFMediaObserver, uCEFMediaRouteCreateCallback ,uCEFDevToolsMessageObserver;
constructor TChromiumCore.Create(AOwner: TComponent);
begin
FBrowsersCS := nil;
FBrowsers := nil;
FBrowserId := 0;
FMultiBrowserMode := False;
{$IFDEF MSWINDOWS}
FCompHandle := 0;
{$ENDIF}
FIsOSR := False;
FDefaultUrl := 'about:blank';
FHandler := nil;
FReqContextHandler := nil;
FResourceRequestHandler := nil;
FMediaObserver := nil;
FMediaObserverReg := nil;
FDevToolsMsgObserver := nil;
FDevToolsMsgObserverReg := nil;
FOptions := nil;
FFontOptions := nil;
FDefaultEncoding := '';
FPDFPrintOptions := nil;
FUpdatePreferences := False;
FCustomHeaderName := '';
FCustomHeaderValue := '';
FPrefsFileName := '';
FAddCustomHeader := False;
FDoNotTrack := True;
FSendReferrer := True;
FHyperlinkAuditing := False;
FRunAllFlashInAllowMode := False;
FAllowOutdatedPlugins := False;
FAlwaysAuthorizePlugins := False;
FSpellChecking := True;
FSpellCheckerDicts := '';
FZoomStep := ZOOM_STEP_DEF;
FZoomStepCS := nil;
FSafeSearch := False;
FYouTubeRestrict := YOUTUBE_RESTRICT_OFF;
FPrintingEnabled := True;
FAcceptLanguageList := '';
FAcceptCookies := cpAllow;
FBlock3rdPartyCookies := False;
FOffline := False;
//
// Somo focus issues in CEF seem to be fixed when you use WS_EX_NOACTIVATE in
// FDefaultWindowInfoExStyle to initialize the browser with that ExStyle but
// it may cause side effects. Read these links for more information :
// https://www.briskbard.com/forum/viewtopic.php?f=10&t=723
// https://bitbucket.org/chromiumembedded/cef/issues/1856/branch-2526-cef-activates-browser-window
//
// It's necessary to set this property before the CreateBrowser call.
//
FDefaultWindowInfoExStyle := 0;
//FDefaultWindowInfoExStyle := WS_EX_NOACTIVATE;
{$IFDEF MSWINDOWS}
FOldBrowserCompWndPrc := nil;
FOldWidgetCompWndPrc := nil;
FOldRenderCompWndPrc := nil;
FBrowserCompStub := nil;
FWidgetCompStub := nil;
FRenderCompStub := nil;
{$ENDIF MSWINDOWS}
FBrowserCompHWND := 0;
FWidgetCompHWND := 0;
FRenderCompHWND := 0;
FDragOperations := DRAG_OPERATION_NONE;
{$IFDEF MSWINDOWS}
FDragDropManager := nil;
FDropTargetWnd := 0;
{$ENDIF MSWINDOWS}
FDragAndDropInitialized := False;
FWebRTCIPHandlingPolicy := hpDefault;
FWebRTCMultipleRoutes := STATE_DEFAULT;
FWebRTCNonProxiedUDP := STATE_DEFAULT;
FProxyType := CEF_PROXYTYPE_SYSTEM;
FProxyScheme := psHTTP;
FProxyServer := '';
FProxyPort := 80;
FProxyUsername := '';
FProxyPassword := '';
FProxyScriptURL := '';
FProxyByPassList := '';
FMaxConnectionsPerProxy := CEF_MAX_CONNECTIONS_PER_PROXY_DEFAULT_VALUE;
FillChar(FWindowInfo, SizeOf(TCefWindowInfo), 0);
FillChar(FDevWindowInfo, SizeOf(TCefWindowInfo), 0);
InitializeSettings(FBrowserSettings);
InitializeSettings(FDevBrowserSettings);
InitializeEvents;
inherited Create(AOwner);
end;
destructor TChromiumCore.Destroy;
begin
try
try
{$IFDEF MSWINDOWS}
if (FDragDropManager <> nil) then FreeAndNil(FDragDropManager);
if (FCompHandle <> 0) then
begin
DeallocateHWnd(FCompHandle);
FCompHandle := 0;
end;
{$ENDIF MSWINDOWS}
DestroyAllBrowsers;
if (FFontOptions <> nil) then FreeAndNil(FFontOptions);
if (FOptions <> nil) then FreeAndNil(FOptions);
if (FPDFPrintOptions <> nil) then FreeAndNil(FPDFPrintOptions);
if (FZoomStepCS <> nil) then FreeAndNil(FZoomStepCS);
if (FBrowsersCS <> nil) then FreeAndNil(FBrowsersCS);
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.Destroy', e) then raise;
end;
finally
inherited Destroy;
end;
end;
procedure TChromiumCore.DestroyAllBrowsers;
begin
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (FBrowsers <> nil) then FreeAndNil(FBrowsers);
finally
FBrowsersCS.Release;
end;
end;
procedure TChromiumCore.BeforeDestruction;
begin
{$IFDEF MSWINDOWS}
RestoreCompWndProc(FBrowserCompHWND, 0, FOldBrowserCompWndPrc);
FreeAndNilStub(FBrowserCompStub);
RestoreCompWndProc(FWidgetCompHWND, 0, FOldWidgetCompWndPrc);
FreeAndNilStub(FWidgetCompStub);
RestoreCompWndProc(FRenderCompHWND, 0, FOldRenderCompWndPrc);
FreeAndNilStub(FRenderCompStub);
{$ENDIF}
DestroyClientHandler;
DestroyReqContextHandler;
DestroyResourceRequestHandler;
DestroyMediaObserver;
DestroyDevToolsMsgObserver;
inherited BeforeDestruction;
end;
{$IFDEF MSWINDOWS}
{$IFNDEF FPC}
// Windows XP and newer (older Delphi version < XE don't have them and newer
// require a call to InitCommonControl what isn't necessary.
{type
SUBCLASSPROC = function(hWnd: HWND; uMsg: UINT; wParam: WPARAM; lParam: LPARAM;
uIdSubclass: UINT_PTR; dwRefData: DWORD_PTR): LRESULT; stdcall;
TSubClassProc = SUBCLASSPROC;
function SetWindowSubclass(hWnd: HWND; pfnSubclass: SUBCLASSPROC; uIdSubclass: UINT_PTR; dwRefData: DWORD_PTR): BOOL; stdcall;
external comctl32 name 'SetWindowSubclass';
//function GetWindowSubclass(hWnd: HWND; pfnSubclass: SUBCLASSPROC; uIdSubclass: UINT_PTR; var pdwRefData: DWORD_PTR): BOOL; stdcall;
// external comctl32 name 'GetWindowSubclass';
function RemoveWindowSubclass(hWnd: HWND; pfnSubclass: SUBCLASSPROC; uIdSubclass: UINT_PTR): BOOL; stdcall;
external comctl32 name 'RemoveWindowSubclass';
function DefSubclassProc(hWnd: HWND; uMsg: UINT; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
external comctl32 name 'DefSubclassProc';
// We stick with the original implementation because the WndProc stub is a lot
// faster than the WindowSubClass stub that uses the slow GetProp(hWnd). Which
// is extremly slow in Windows 10 1809 and newer.
}
procedure TChromiumCore.CreateStub(const aMethod : TWndMethod; var aStub : Pointer);
begin
if (aStub = nil) then aStub := MakeObjectInstance(aMethod);
end;
procedure TChromiumCore.FreeAndNilStub(var aStub : pointer);
begin
if (aStub <> nil) then
begin
FreeObjectInstance(aStub);
aStub := nil;
end;
end;
function TChromiumCore.InstallCompWndProc(aWnd: THandle; aStub: Pointer): TFNWndProc;
begin
Result := TFNWndProc(SetWindowLongPtr(aWnd, GWLP_WNDPROC, NativeInt(aStub)));
end;
procedure TChromiumCore.RestoreCompWndProc(var aOldWnd: THandle; aNewWnd: THandle; var aProc: TFNWndProc);
begin
if (aOldWnd <> 0) and (aOldWnd <> aNewWnd) and (aProc <> nil) then
begin
SetWindowLongPtr(aOldWnd, GWLP_WNDPROC, NativeInt(aProc));
aProc := nil;
aOldWnd := 0;
end;
end;
procedure TChromiumCore.CallOldCompWndProc(aProc: TFNWndProc; aWnd: THandle; var aMessage: TMessage);
begin
if (aProc <> nil) and (aWnd <> 0) then
aMessage.Result := CallWindowProc(aProc, aWnd, aMessage.Msg, aMessage.wParam, aMessage.lParam);
end;
{$ELSE}
procedure TChromiumCore.CreateStub(const aMethod : TWndMethod; var aStub : Pointer);
begin
if (aStub = nil) then
begin
GetMem(aStub, SizeOf(TWndMethod));
TWndMethod(aStub^) := aMethod;
end;
end;
procedure TChromiumCore.FreeAndNilStub(var aStub : pointer);
begin
if (aStub <> nil) then
begin
FreeMem(aStub);
aStub := nil;
end;
end;
function CompSubClassProc(hWnd: HWND; uMsg: UINT; wParam: WPARAM; lParam: LPARAM;
uIdSubclass: UINT_PTR; dwRefData: DWORD_PTR): LRESULT; stdcall;
var
m: TWndMethod;
Msg: TMessage;
begin
Msg.msg := uMsg;
Msg.wParam := wparam;
Msg.lParam := lParam;
Msg.Result := 0;
m := TWndMethod(Pointer(dwRefData)^);
m(Msg);
Result := Msg.Result;
end;
function TChromiumCore.InstallCompWndProc(aWnd: THandle; aStub: Pointer): TFNWndProc;
begin
Result := nil;
if (aWnd <> 0) and (aStub <> nil) then
begin
SetWindowSubclass(aWnd, @CompSubClassProc, 1, NativeInt(aStub));
Result := TFNWndProc(1); // IdSubClass
end;
end;
procedure TChromiumCore.RestoreCompWndProc(var aOldWnd: THandle; aNewWnd: THandle; var aProc: TFNWndProc);
begin
if (aOldWnd <> 0) and (aOldWnd <> aNewWnd) and (aProc <> nil) then
begin
RemoveWindowSubclass(aOldWnd, @CompSubClassProc, 1);
aProc := nil;
aOldWnd := 0;
end;
end;
procedure TChromiumCore.CallOldCompWndProc(aProc: TFNWndProc; aWnd: THandle; var aMessage: TMessage);
begin
if (aProc <> nil) and (aWnd <> 0) then
aMessage.Result := DefSubclassProc(aWnd, aMessage.Msg, aMessage.wParam, aMessage.lParam);
end;
{$ENDIF}
{$ENDIF}
procedure TChromiumCore.DestroyClientHandler;
begin
try
if (FHandler <> nil) then
begin
FHandler.RemoveReferences;
FHandler := nil;
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.DestroyClientHandler', e) then raise;
end;
end;
procedure TChromiumCore.DestroyReqContextHandler;
begin
try
if (FReqContextHandler <> nil) then
begin
FReqContextHandler.RemoveReferences;
FReqContextHandler := nil;
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.DestroyReqContextHandler', e) then raise;
end;
end;
procedure TChromiumCore.CreateReqContextHandler;
begin
if MustCreateRequestContextHandler and
(FReqContextHandler = nil) then
FReqContextHandler := TCustomRequestContextHandler.Create(self);
end;
procedure TChromiumCore.DestroyMediaObserver;
begin
FMediaObserverReg := nil;
FMediaObserver := nil;
end;
procedure TChromiumCore.CreateMediaObserver;
begin
if MustCreateMediaObserver and
(FMediaObserver = nil) then
FMediaObserver := TCustomMediaObserver.Create(self);
end;
procedure TChromiumCore.DestroyDevToolsMsgObserver;
begin
FDevToolsMsgObserverReg := nil;
FDevToolsMsgObserver := nil;
end;
procedure TChromiumCore.CreateDevToolsMsgObserver;
begin
if MustCreateDevToolsMessageObserver and
(FDevToolsMsgObserver = nil) then
FDevToolsMsgObserver := TCustomDevToolsMessageObserver.Create(self);
end;
procedure TChromiumCore.DestroyResourceRequestHandler;
begin
try
if (FResourceRequestHandler <> nil) then
begin
FResourceRequestHandler.RemoveReferences;
FResourceRequestHandler := nil;
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.DestroyResourceRequestHandler', e) then raise;
end;
end;
procedure TChromiumCore.CreateResourceRequestHandler;
begin
if MustCreateResourceRequestHandler and
(FResourceRequestHandler = nil) then
FResourceRequestHandler := TCustomResourceRequestHandler.Create(self);
end;
procedure TChromiumCore.AfterConstruction;
begin
inherited AfterConstruction;
try
if not(csDesigning in ComponentState) then
begin
{$IFDEF MSWINDOWS}
FCompHandle := AllocateHWnd({$IFDEF FPC}@{$ENDIF}WndProc);
{$ENDIF}
FBrowsers := TBrowserInfoList.Create;
FOptions := TChromiumOptions.Create;
FFontOptions := TChromiumFontOptions.Create;
FPDFPrintOptions := TPDFPrintOptions.Create;
FZoomStepCS := TCriticalSection.Create;
FBrowsersCS := TCriticalSection.Create;
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.AfterConstruction', e) then raise;
end;
end;
function TChromiumCore.CreateClientHandler(aIsOSR : boolean) : boolean;
begin
Result := False;
try
if (FHandler = nil) then
begin
FIsOSR := aIsOsr;
FHandler := TCustomClientHandler.Create(Self);
Result := True;
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.CreateClientHandler', e) then raise;
end;
end;
function TChromiumCore.CreateClientHandler(var aClient : ICefClient; aIsOSR : boolean) : boolean;
begin
if CreateClientHandler(aIsOSR) then
begin
CreateResourceRequestHandler;
CreateMediaObserver;
CreateDevToolsMsgObserver;
aClient := FHandler;
Result := True;
end
else
Result := False;
end;
procedure TChromiumCore.InitializeEvents;
begin
// ICefClient
FOnProcessMessageReceived := nil;
// ICefLoadHandler
FOnLoadStart := nil;
FOnLoadEnd := nil;
FOnLoadError := nil;
FOnLoadingStateChange := nil;
// ICefFocusHandler
FOnTakeFocus := nil;
FOnSetFocus := nil;
FOnGotFocus := nil;
// ICefContextMenuHandler
FOnBeforeContextMenu := nil;
FOnRunContextMenu := nil;
FOnContextMenuCommand := nil;
FOnContextMenuDismissed := nil;
// ICefKeyboardHandler
FOnPreKeyEvent := nil;
FOnKeyEvent := nil;
// ICefDisplayHandler
FOnAddressChange := nil;
FOnTitleChange := nil;
FOnFavIconUrlChange := nil;
FOnFullScreenModeChange := nil;
FOnTooltip := nil;
FOnStatusMessage := nil;
FOnConsoleMessage := nil;
FOnAutoResize := nil;
FOnLoadingProgressChange := nil;
// ICefDownloadHandler
FOnBeforeDownload := nil;
FOnDownloadUpdated := nil;
// ICefJsDialogHandler
FOnJsdialog := nil;
FOnBeforeUnloadDialog := nil;
FOnResetDialogState := nil;
FOnDialogClosed := nil;
// ICefLifeSpanHandler
FOnBeforePopup := nil;
FOnAfterCreated := nil;
FOnBeforeClose := nil;
FOnClose := nil;
// ICefRequestHandler
FOnBeforeBrowse := nil;
FOnOpenUrlFromTab := nil;
FOnGetAuthCredentials := nil;
FOnQuotaRequest := nil;
FOnCertificateError := nil;
FOnSelectClientCertificate := nil;
FOnPluginCrashed := nil;
FOnRenderViewReady := nil;
FOnRenderProcessTerminated := nil;
FOnGetResourceRequestHandler_ReqHdlr := nil;
FOnDocumentAvailableInMainFrame := nil;
// ICefResourceRequestHandler
FOnBeforeResourceLoad := nil;
FOnGetResourceHandler := nil;
FOnResourceRedirect := nil;
FOnResourceResponse := nil;
FOnGetResourceResponseFilter := nil;
FOnResourceLoadComplete := nil;
FOnProtocolExecution := nil;
// ICefCookieAccessFilter
FOnCanSendCookie := nil;
FOnCanSaveCookie := nil;
// ICefDialogHandler
FOnFileDialog := nil;
// ICefRenderHandler
FOnGetAccessibilityHandler := nil;
FOnGetRootScreenRect := nil;
FOnGetViewRect := nil;
FOnGetScreenPoint := nil;
FOnGetScreenInfo := nil;
FOnPopupShow := nil;
FOnPopupSize := nil;
FOnPaint := nil;
FOnAcceleratedPaint := nil;
FOnCursorChange := nil;
FOnStartDragging := nil;
FOnUpdateDragCursor := nil;
FOnScrollOffsetChanged := nil;
FOnIMECompositionRangeChanged := nil;
FOnTextSelectionChanged := nil;
FOnVirtualKeyboardRequested := nil;
// ICefDragHandler
FOnDragEnter := nil;
FOnDraggableRegionsChanged := nil;
// ICefFindHandler
FOnFindResult := nil;
// ICefRequestContextHandler
FOnRequestContextInitialized := nil;
FOnBeforePluginLoad := nil;
FOnGetResourceRequestHandler_ReqCtxHdlr := nil;
// ICefMediaObserver
FOnSinks := nil;
FOnRoutes := nil;
FOnRouteStateChanged := nil;
FOnRouteMessageReceived := nil;
// ICefAudioHandler
FOnGetAudioParameters := nil;
FOnAudioStreamStarted := nil;
FOnAudioStreamPacket := nil;
FOnAudioStreamStopped := nil;
FOnAudioStreamError := nil;
// ICefDevToolsMessageObserver
FOnDevToolsMessage := nil;
FOnDevToolsMethodResult := nil;
FOnDevToolsEvent := nil;
FOnDevToolsAgentAttached := nil;
FOnDevToolsAgentDetached := nil;
// Custom
FOnTextResultAvailable := nil;
FOnPdfPrintFinished := nil;
FOnPrefsAvailable := nil;
FOnCookiesDeleted := nil;
FOnResolvedHostAvailable := nil;
FOnNavigationVisitorResultAvailable := nil;
FOnDownloadImageFinished := nil;
FOnCookiesFlushed := nil;
FOnCertificateExceptionsCleared := nil;
FOnHttpAuthCredentialsCleared := nil;
FOnAllConnectionsClosed := nil;
FOnExecuteTaskOnCefThread := nil;
FOnCookiesVisited := nil;
FOnCookieVisitorDestroyed := nil;
FOnCookieSet := nil;
FOnZoomPctAvailable := nil;
FOnMediaRouteCreateFinished := nil;
{$IFDEF MSWINDOWS}
FOnBrowserCompMsg := nil;
FOnWidgetCompMsg := nil;
FOnRenderCompMsg := nil;
{$ENDIF}
end;
function TChromiumCore.CreateBrowser( aParentHandle : TCefWindowHandle;
aParentRect : TRect;
const aWindowName : ustring;
const aContext : ICefRequestContext;
const aExtraInfo : ICefDictionaryValue) : boolean;
var
TempNewContext, TempGlobalContext : ICefRequestContext;
begin
Result := False;
TempNewContext := nil;
try
try
// GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser
// even if you use a custom request context.
// If you create a browser in the initialization of your app, make sure you call this
// function when GlobalCEFApp.GlobalContextInitialized is TRUE.
// Use the GlobalCEFApp.OnContextInitialized event to know when
// GlobalCEFApp.GlobalContextInitialized is set to TRUE.
if not(csDesigning in ComponentState) and
(BrowserId = 0) and
(GlobalCEFApp <> nil) and
GlobalCEFApp.GlobalContextInitialized and
CreateClientHandler(not(ValidCefWindowHandle(aParentHandle))) then
begin
GetSettings(FBrowserSettings);
InitializeWindowInfo(aParentHandle, aParentRect, aWindowName);
CreateResourceRequestHandler;
CreateMediaObserver;
CreateDevToolsMsgObserver;
if (aContext = nil) then
begin
CreateReqContextHandler;
if (FReqContextHandler <> nil) then
begin
TempGlobalContext := TCefRequestContextRef.Global();
TempNewContext := TCefRequestContextRef.Shared(TempGlobalContext, FReqContextHandler);
end;
end
else
TempNewContext := aContext;
if GlobalCEFApp.MultiThreadedMessageLoop then
Result := CreateBrowserHost(@FWindowInfo, FDefaultUrl, @FBrowserSettings, aExtraInfo, TempNewContext)
else
Result := CreateBrowserHostSync(@FWindowInfo, FDefaultUrl, @FBrowserSettings, aExtraInfo, TempNewContext);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.CreateBrowser', e) then raise;
end;
finally
TempGlobalContext := nil;
TempNewContext := nil;
end;
end;
function TChromiumCore.CreateBrowser(const aURL : ustring;
const aBrowserViewComp : TCEFBrowserViewComponent;
const aContext : ICefRequestContext;
const aExtraInfo : ICefDictionaryValue) : boolean;
var
TempNewContext, TempGlobalContext : ICefRequestContext;
begin
Result := False;
try
try
// GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser
// even if you use a custom request context.
// If you create a browser in the initialization of your app, make sure you call this
// function when GlobalCEFApp.GlobalContextInitialized is TRUE.
// Use the GlobalCEFApp.OnContextInitialized event to know when
// GlobalCEFApp.GlobalContextInitialized is set to TRUE.
if not(csDesigning in ComponentState) and
(BrowserId = 0) and
(aBrowserViewComp <> nil) and
(GlobalCEFApp <> nil) and
GlobalCEFApp.GlobalContextInitialized and
CreateClientHandler(False) then
begin
GetSettings(FBrowserSettings);
CreateResourceRequestHandler;
CreateMediaObserver;
CreateDevToolsMsgObserver;
if (aContext = nil) then
begin
CreateReqContextHandler;
if (FReqContextHandler <> nil) then
begin
TempGlobalContext := TCefRequestContextRef.Global();
TempNewContext := TCefRequestContextRef.Shared(TempGlobalContext, FReqContextHandler);
end;
end
else
TempNewContext := aContext;
Result := aBrowserViewComp.CreateBrowserView(FHandler, aURL, FBrowserSettings, aExtraInfo, TempNewContext);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.CreateBrowser', e) then raise;
end;
finally
TempGlobalContext := nil;
TempNewContext := nil;
end;
end;
procedure TChromiumCore.InitializeWindowInfo( aParentHandle : TCefWindowHandle;
aParentRect : TRect;
const aWindowName : ustring);
begin
{$IFDEF MSWINDOWS}
if FIsOSR then
WindowInfoAsWindowless(FWindowInfo, ParentFormHandle, aWindowName)
else
WindowInfoAsChild(FWindowInfo, aParentHandle, aParentRect, aWindowName, FDefaultWindowInfoExStyle);
{$ELSE}
if FIsOSR then
WindowInfoAsWindowless(FWindowInfo, 0)
else
WindowInfoAsChild(FWindowInfo, aParentHandle, aParentRect);
{$ENDIF}
end;
procedure TChromiumCore.DefaultInitializeDevToolsWindowInfo( aDevToolsWnd : TCefWindowHandle;
const aClientRect : TRect;
const aWindowName : ustring);
begin
if (ValidCefWindowHandle(aDevToolsWnd)) then
{$IFDEF MSWINDOWS}
WindowInfoAsChild(FDevWindowInfo, aDevToolsWnd, aClientRect, aWindowName)
else
WindowInfoAsPopUp(FDevWindowInfo, WindowHandle, DEVTOOLS_WINDOWNAME);
{$ELSE}
WindowInfoAsChild(FDevWindowInfo, aDevToolsWnd, aClientRect)
else
WindowInfoAsPopUp(FDevWindowInfo, WindowHandle);
{$ENDIF}
end;
function TChromiumCore.ShareRequestContext(var aContext : ICefRequestContext;
const aHandler : ICefRequestContextHandler) : boolean;
begin
Result := False;
aContext := nil;
if Initialized then
begin
aContext := TCefRequestContextRef.Shared(Browser.Host.RequestContext, aHandler);
Result := (aContext <> nil);
end;
end;
{$IFDEF MSWINDOWS}
procedure TChromiumCore.InitializeDragAndDrop(const aDropTargetWnd : HWND);
var
TempDropTarget : IDropTarget;
begin
if FIsOSR and
not(FDragAndDropInitialized) and
(FDragDropManager = nil) and
(aDropTargetWnd <> 0) then
begin
FDropTargetWnd := aDropTargetWnd;
FDragDropManager := TCEFDragAndDropMgr.Create;
FDragDropManager.OnDragEnter := {$IFDEF FPC}@{$ENDIF}DragDropManager_OnDragEnter;
FDragDropManager.OnDragOver := {$IFDEF FPC}@{$ENDIF}DragDropManager_OnDragOver;
FDragDropManager.OnDragLeave := {$IFDEF FPC}@{$ENDIF}DragDropManager_OnDragLeave;
FDragDropManager.OnDrop := {$IFDEF FPC}@{$ENDIF}DragDropManager_OnDrop;
TempDropTarget := TOLEDropTarget.Create(FDragDropManager);
RegisterDragDrop(FDropTargetWnd, TempDropTarget);
FDragAndDropInitialized := True;
end;
end;
procedure TChromiumCore.ShutdownDragAndDrop;
begin
if FDragAndDropInitialized and (FDropTargetWnd <> 0) then
begin
RevokeDragDrop(FDropTargetWnd);
FDragAndDropInitialized := False;
end;
end;
procedure TChromiumCore.ToMouseEvent(grfKeyState : Longint; pt : TPoint; var aMouseEvent : TCefMouseEvent);
begin
if (FDropTargetWnd <> 0) then
begin
MapWindowPoints(0, FDropTargetWnd, pt, 1);
aMouseEvent.x := pt.x;
aMouseEvent.y := pt.y;
aMouseEvent.modifiers := GetCefMouseModifiers(grfKeyState);
end;
end;
{$ENDIF}
procedure TChromiumCore.DragDropManager_OnDragEnter(Sender: TObject; const aDragData : ICefDragData; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
{$IFDEF MSWINDOWS}
var
TempMouseEvent : TCefMouseEvent;
TempAllowedOps : TCefDragOperations;
{$ENDIF}
begin
if (GlobalCEFApp <> nil) then
begin
{$IFDEF MSWINDOWS}
ToMouseEvent(grfKeyState, pt, TempMouseEvent);
DropEffectToDragOperation(dwEffect, TempAllowedOps);
DeviceToLogical(TempMouseEvent, GlobalCEFApp.DeviceScaleFactor);
DragTargetDragEnter(aDragData, @TempMouseEvent, TempAllowedOps);
DragTargetDragOver(@TempMouseEvent, TempAllowedOps);
DragOperationToDropEffect(FDragOperations, dwEffect);
{$ENDIF}
end;
end;
procedure TChromiumCore.DragDropManager_OnDragOver(Sender: TObject; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
{$IFDEF MSWINDOWS}
var
TempMouseEvent : TCefMouseEvent;
TempAllowedOps : TCefDragOperations;
{$ENDIF}
begin
if (GlobalCEFApp <> nil) then
begin
{$IFDEF MSWINDOWS}
ToMouseEvent(grfKeyState, pt, TempMouseEvent);
DropEffectToDragOperation(dwEffect, TempAllowedOps);
DeviceToLogical(TempMouseEvent, GlobalCEFApp.DeviceScaleFactor);
DragTargetDragOver(@TempMouseEvent, TempAllowedOps);
DragOperationToDropEffect(FDragOperations, dwEffect);
{$ENDIF}
end;
end;
procedure TChromiumCore.DragDropManager_OnDragLeave(Sender: TObject);
begin
DragTargetDragLeave;
end;
procedure TChromiumCore.DragDropManager_OnDrop(Sender: TObject; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
{$IFDEF MSWINDOWS}
var
TempMouseEvent : TCefMouseEvent;
TempAllowedOps : TCefDragOperations;
{$ENDIF}
begin
if (GlobalCEFApp <> nil) then
begin
{$IFDEF MSWINDOWS}
ToMouseEvent(grfKeyState, pt, TempMouseEvent);
DropEffectToDragOperation(dwEffect, TempAllowedOps);
DeviceToLogical(TempMouseEvent, GlobalCEFApp.DeviceScaleFactor);
DragTargetDragOver(@TempMouseEvent, TempAllowedOps);
DragTargetDrop(@TempMouseEvent);
DragOperationToDropEffect(FDragOperations, dwEffect);
{$ENDIF}
end;
end;
procedure TChromiumCore.CloseBrowser(aForceClose : boolean);
begin
if Initialized then
Browser.Host.CloseBrowser(aForceClose);
end;
procedure TChromiumCore.CloseAllBrowsers;
begin
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (FBrowsers <> nil) then FBrowsers.CloseAllBrowsers;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.TryCloseBrowser : boolean;
begin
if Initialized then
Result := Browser.Host.TryCloseBrowser
else
Result := True;
end;
function TChromiumCore.CreateBrowserHost( aWindowInfo : PCefWindowInfo;
const aURL : ustring;
const aSettings : PCefBrowserSettings;
const aExtraInfo : ICefDictionaryValue;
const aContext : ICefRequestContext): boolean;
var
TempURL : TCefString;
begin
TempURL := CefString(aURL);
Result := cef_browser_host_create_browser(aWindowInfo, FHandler.Wrap, @TempURL, aSettings, CefGetData(aExtraInfo), CefGetData(aContext)) <> 0;
end;
function TChromiumCore.CreateBrowserHostSync( aWindowInfo : PCefWindowInfo;
const aURL : ustring;
const aSettings : PCefBrowserSettings;
const aExtraInfo : ICefDictionaryValue;
const aContext : ICefRequestContext): boolean;
var
TempURL : TCefString;
TempBrowser : ICefBrowser;
begin
TempURL := CefString(aURL);
TempBrowser := TCefBrowserRef.UnWrap(cef_browser_host_create_browser_sync(aWindowInfo, FHandler.Wrap, @TempURL, aSettings, CefGetData(aExtraInfo), CefGetData(aContext)));
Result := AddBrowser(TempBrowser);
end;
procedure TChromiumCore.Find(aIdentifier : integer; const aSearchText : ustring; aForward, aMatchCase, aFindNext : Boolean);
begin
if Initialized then
Browser.Host.Find(aIdentifier, aSearchText, aForward, aMatchCase, aFindNext);
end;
procedure TChromiumCore.StopFinding(aClearSelection : Boolean);
begin
if Initialized then
Browser.Host.StopFinding(aClearSelection);
end;
procedure TChromiumCore.Print;
begin
if Initialized then
Browser.Host.Print;
end;
procedure TChromiumCore.PrintToPDF(const aFilePath, aTitle, aURL : ustring);
var
TempSettings : TCefPdfPrintSettings;
TempCallback : ICefPdfPrintCallback;
begin
if Initialized then
begin
GetPrintPDFSettings(TempSettings, aTitle, aURL);
TempCallback := TCefCustomPDFPrintCallBack.Create(self);
Browser.Host.PrintToPdf(aFilePath, @TempSettings, TempCallback);
end;
end;
procedure TChromiumCore.ClipboardCopy;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := Browser.FocusedFrame;
if (TempFrame = nil) then TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.Copy;
end;
end;
procedure TChromiumCore.ClipboardPaste;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := Browser.FocusedFrame;
if (TempFrame = nil) then TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.Paste;
end;
end;
procedure TChromiumCore.ClipboardCut;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := Browser.FocusedFrame;
if (TempFrame = nil) then TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.Cut;
end;
end;
procedure TChromiumCore.ClipboardUndo;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := Browser.FocusedFrame;
if (TempFrame = nil) then TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.Undo;
end;
end;
procedure TChromiumCore.ClipboardRedo;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := Browser.FocusedFrame;
if (TempFrame = nil) then TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.Redo;
end;
end;
procedure TChromiumCore.ClipboardDel;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := Browser.FocusedFrame;
if (TempFrame = nil) then TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.Del;
end;
end;
procedure TChromiumCore.SelectAll;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := Browser.FocusedFrame;
if (TempFrame = nil) then TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.SelectAll;
end;
end;
procedure TChromiumCore.GetPrintPDFSettings(var aSettings : TCefPdfPrintSettings; const aTitle, aURL : ustring);
begin
if (FPDFPrintOptions <> nil) then
begin
aSettings.header_footer_title := CefString(aTitle);
aSettings.header_footer_url := CefString(aURL);
aSettings.page_width := FPDFPrintOptions.page_width;
aSettings.page_height := FPDFPrintOptions.page_height;
aSettings.scale_factor := FPDFPrintOptions.scale_factor;
aSettings.margin_top := FPDFPrintOptions.margin_top;
aSettings.margin_right := FPDFPrintOptions.margin_right;
aSettings.margin_bottom := FPDFPrintOptions.margin_bottom;
aSettings.margin_left := FPDFPrintOptions.margin_left;
aSettings.margin_type := FPDFPrintOptions.margin_type;
aSettings.header_footer_enabled := Ord(FPDFPrintOptions.header_footer_enabled);
aSettings.selection_only := Ord(FPDFPrintOptions.selection_only);
aSettings.landscape := Ord(FPDFPrintOptions.landscape);
aSettings.backgrounds_enabled := Ord(FPDFPrintOptions.backgrounds_enabled);
end;
end;
procedure TChromiumCore.GetSettings(var aSettings : TCefBrowserSettings);
begin
if (FFontOptions <> nil) and (FOptions <> nil) then
begin
aSettings.size := SizeOf(TCefBrowserSettings);
aSettings.windowless_frame_rate := FOptions.WindowlessFrameRate;
aSettings.standard_font_family := CefString(FFontOptions.StandardFontFamily);
aSettings.fixed_font_family := CefString(FFontOptions.FixedFontFamily);
aSettings.serif_font_family := CefString(FFontOptions.SerifFontFamily);
aSettings.sans_serif_font_family := CefString(FFontOptions.SansSerifFontFamily);
aSettings.cursive_font_family := CefString(FFontOptions.CursiveFontFamily);
aSettings.fantasy_font_family := CefString(FFontOptions.FantasyFontFamily);
aSettings.default_font_size := FFontOptions.DefaultFontSize;
aSettings.default_fixed_font_size := FFontOptions.DefaultFixedFontSize;
aSettings.minimum_font_size := FFontOptions.MinimumFontSize;
aSettings.minimum_logical_font_size := FFontOptions.MinimumLogicalFontSize;
aSettings.remote_fonts := FFontOptions.RemoteFonts;
aSettings.default_encoding := CefString(DefaultEncoding);
aSettings.javascript := FOptions.Javascript;
aSettings.javascript_close_windows := FOptions.JavascriptCloseWindows;
aSettings.javascript_access_clipboard := FOptions.JavascriptAccessClipboard;
aSettings.javascript_dom_paste := FOptions.JavascriptDomPaste;
aSettings.plugins := FOptions.Plugins;
aSettings.universal_access_from_file_urls := FOptions.UniversalAccessFromFileUrls;
aSettings.file_access_from_file_urls := FOptions.FileAccessFromFileUrls;
aSettings.web_security := FOptions.WebSecurity;
aSettings.image_loading := FOptions.ImageLoading;
aSettings.image_shrink_standalone_to_fit := FOptions.ImageShrinkStandaloneToFit;
aSettings.text_area_resize := FOptions.TextAreaResize;
aSettings.tab_to_links := FOptions.TabToLinks;
aSettings.local_storage := FOptions.LocalStorage;
aSettings.databases := FOptions.Databases;
aSettings.application_cache := FOptions.ApplicationCache;
aSettings.webgl := FOptions.Webgl;
aSettings.background_color := FOptions.BackgroundColor;
aSettings.accept_language_list := CefString(FOptions.AcceptLanguageList);
end;
end;
procedure TChromiumCore.InitializeSettings(var aSettings : TCefBrowserSettings);
begin
aSettings.size := SizeOf(TCefBrowserSettings);
aSettings.windowless_frame_rate := 30;
aSettings.standard_font_family := CefString('');
aSettings.fixed_font_family := CefString('');
aSettings.serif_font_family := CefString('');
aSettings.sans_serif_font_family := CefString('');
aSettings.cursive_font_family := CefString('');
aSettings.fantasy_font_family := CefString('');
aSettings.default_font_size := 0;
aSettings.default_fixed_font_size := 0;
aSettings.minimum_font_size := 0;
aSettings.minimum_logical_font_size := 0;
aSettings.remote_fonts := STATE_DEFAULT;
aSettings.default_encoding := CefString('');
aSettings.javascript := STATE_DEFAULT;
aSettings.javascript_close_windows := STATE_DEFAULT;
aSettings.javascript_access_clipboard := STATE_DEFAULT;
aSettings.javascript_dom_paste := STATE_DEFAULT;
aSettings.plugins := STATE_DEFAULT;
aSettings.universal_access_from_file_urls := STATE_DEFAULT;
aSettings.file_access_from_file_urls := STATE_DEFAULT;
aSettings.web_security := STATE_DEFAULT;
aSettings.image_loading := STATE_DEFAULT;
aSettings.image_shrink_standalone_to_fit := STATE_DEFAULT;
aSettings.text_area_resize := STATE_DEFAULT;
aSettings.tab_to_links := STATE_DEFAULT;
aSettings.local_storage := STATE_DEFAULT;
aSettings.databases := STATE_DEFAULT;
aSettings.application_cache := STATE_DEFAULT;
aSettings.webgl := STATE_DEFAULT;
aSettings.background_color := 0;
aSettings.accept_language_list := CefString('');
end;
// Leave aFrameName empty to load the URL in the main frame
procedure TChromiumCore.LoadURL(const aURL : ustring; const aFrameName : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := Browser.GetFrame(aFrameName)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.LoadUrl(aURL);
end;
end;
procedure TChromiumCore.LoadURL(const aURL : ustring; const aFrame : ICefFrame);
begin
if Initialized and (aFrame <> nil) and aFrame.IsValid then
aFrame.LoadUrl(aURL);
end;
procedure TChromiumCore.LoadURL(const aURL : ustring; const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := Browser.GetFrameByident(aFrameIdentifier)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.LoadUrl(aURL);
end;
end;
// Leave aFrameName empty to load the URL in the main frame
procedure TChromiumCore.LoadString(const aHTML : ustring; const aFrameName : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized and (length(aHTML) > 0) then
begin
if (length(aFrameName) > 0) then
TempFrame := Browser.GetFrame(aFrameName)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
TempFrame.LoadUrl(CefGetDataURI(aHTML, 'text/html'));
end;
end;
procedure TChromiumCore.LoadString(const aHTML : ustring; const aFrame : ICefFrame);
begin
if Initialized and (length(aHTML) > 0) and (aFrame <> nil) and aFrame.IsValid then
aFrame.LoadUrl(CefGetDataURI(aHTML, 'text/html'));
end;
procedure TChromiumCore.LoadString(const aHTML : ustring; const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
begin
if Initialized and (length(aHTML) > 0) then
begin
if (aFrameIdentifier <> 0) then
TempFrame := Browser.GetFrameByident(aFrameIdentifier)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
TempFrame.LoadUrl(CefGetDataURI(aHTML, 'text/html'));
end;
end;
// Leave aFrameName empty to load the URL in the main frame
procedure TChromiumCore.LoadResource(const aStream : TCustomMemoryStream; const aMimeType, aCharset : string; const aFrameName : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized and (aStream <> nil) and (aStream.Size > 0) then
begin
if (length(aFrameName) > 0) then
TempFrame := Browser.GetFrame(aFrameName)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
TempFrame.LoadUrl(CefGetDataURI(aStream.Memory, aStream.Size, aMimeType, aCharset));
end;
end;
procedure TChromiumCore.LoadResource(const aStream : TCustomMemoryStream; const aMimeType, aCharset : string; const aFrame : ICefFrame);
begin
if Initialized and (aStream <> nil) and (aStream.Size > 0) and (aFrame <> nil) and aFrame.IsValid then
aFrame.LoadUrl(CefGetDataURI(aStream.Memory, aStream.Size, aMimeType, aCharset));
end;
procedure TChromiumCore.LoadResource(const aStream : TCustomMemoryStream; const aMimeType, aCharset : string; const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
begin
if Initialized and (aStream <> nil) and (aStream.Size > 0) then
begin
if (aFrameIdentifier <> 0) then
TempFrame := Browser.GetFrameByident(aFrameIdentifier)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
TempFrame.LoadUrl(CefGetDataURI(aStream.Memory, aStream.Size, aMimeType, aCharset));
end;
end;
// WARNING: This function will fail with "bad IPC message" reason
// INVALID_INITIATOR_ORIGIN (213) unless you first navigate to the request
// origin using some other mechanism (LoadURL, link click, etc).
procedure TChromiumCore.LoadRequest(const aRequest: ICefRequest);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then TempFrame.LoadRequest(aRequest);
end;
end;
procedure TChromiumCore.GoBack;
begin
if Initialized and CanGoBack then
Browser.GoBack;
end;
procedure TChromiumCore.GoForward;
begin
if Initialized and CanGoForward then
Browser.GoForward;
end;
procedure TChromiumCore.Reload;
begin
if Initialized then
Browser.Reload;
end;
procedure TChromiumCore.ReloadIgnoreCache;
begin
if Initialized then
Browser.ReloadIgnoreCache;
end;
procedure TChromiumCore.StopLoad;
begin
if Initialized then
Browser.StopLoad;
end;
procedure TChromiumCore.StartDownload(const aURL : ustring);
begin
if Initialized then
Browser.Host.StartDownload(aURL);
end;
// Use the OnDownloadImageFinished event to receive the image
procedure TChromiumCore.DownloadImage(const imageUrl : ustring;
isFavicon : boolean;
maxImageSize : cardinal;
bypassCache : boolean);
var
TempCallback : ICefDownloadImageCallback;
begin
try
if Initialized then
begin
TempCallback := TCefCustomDownloadImageCallback.Create(self);
Browser.Host.DownloadImage(imageUrl, isFavicon, maxImageSize, bypassCache, TempCallback);
end;
finally
TempCallback := nil;
end;
end;
function TChromiumCore.GetIsLoading : boolean;
begin
Result := Initialized and Browser.IsLoading;
end;
function TChromiumCore.GetMultithreadApp : boolean;
begin
Result := (GlobalCEFApp <> nil) and GlobalCEFApp.MultiThreadedMessageLoop;
end;
function TChromiumCore.GetHasDocument : boolean;
begin
Result := Initialized and Browser.HasDocument;
end;
function TChromiumCore.GetHasView : boolean;
begin
Result := Initialized and Browser.Host.HasView;
end;
function TChromiumCore.GetHasDevTools : boolean;
begin
Result := Initialized and Browser.Host.HasDevTools;
end;
function TChromiumCore.GetHasClientHandler : boolean;
begin
Result := (FHandler <> nil);
end;
function TChromiumCore.GetHasBrowser : boolean;
begin
Result := (Browser <> nil);
end;
function TChromiumCore.GetWindowHandle : TCefWindowHandle;
begin
if Initialized then
Result := Browser.Host.WindowHandle
else
Result := 0;
end;
function TChromiumCore.GetFrameIsFocused : boolean;
begin
Result := Initialized and (Browser.FocusedFrame <> nil);
end;
function TChromiumCore.GetWindowlessFrameRate : integer;
begin
if Initialized then
Result := Browser.Host.GetWindowlessFrameRate
else
Result := 0;
end;
function TChromiumCore.GetVisibleNavigationEntry : ICefNavigationEntry;
begin
if Initialized then
Result := Browser.Host.VisibleNavigationEntry
else
Result := nil;
end;
function TChromiumCore.GetBrowser : ICefBrowser;
begin
Result := nil;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (FBrowsers <> nil) then
begin
if FMultiBrowserMode then
Result := FBrowsers.Browser[FBrowserId]
else
Result := FBrowsers.FirstBrowser;
end;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.GetBrowserId : integer;
begin
Result := 0;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
Result := FBrowserId;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.GetBrowserById(aID : integer) : ICefBrowser;
begin
Result := nil;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (FBrowsers <> nil) then
Result := FBrowsers.Browser[aID];
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.GetBrowserCount : integer;
begin
Result := 0;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (FBrowsers <> nil) then
Result := FBrowsers.Count;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.GetBrowserIdByIndex(aIndex : integer) : integer;
begin
Result := 0;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (FBrowsers <> nil) and (aIndex >= 0) and (aIndex < FBrowsers.Count) then
Result := TBrowserInfo(FBrowsers[aIndex]).ID;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.GetHasValidMainFrame : boolean;
begin
Result := Initialized and (Browser.MainFrame <> nil) and Browser.MainFrame.IsValid;
end;
function TChromiumCore.GetFrameCount : NativeUInt;
begin
if Initialized then
Result := Browser.GetFrameCount
else
Result := 0;
end;
function TChromiumCore.GetRequestContextCache : ustring;
begin
if Initialized then
Result := Browser.host.RequestContext.CachePath
else
if (GlobalCEFApp <> nil) then
Result := GlobalCEFApp.cache
else
Result := '';
end;
function TChromiumCore.GetRequestContextIsGlobal : boolean;
begin
Result := Initialized and Browser.host.RequestContext.IsGlobal;
end;
function TChromiumCore.GetAudioMuted : boolean;
begin
Result := Initialized and Browser.host.IsAudioMuted;
end;
function TChromiumCore.GetParentFormHandle : TCefWindowHandle;
begin
Result := 0;
end;
procedure TChromiumCore.SetMultiBrowserMode(aValue : boolean);
begin
if not(Initialized) then FMultiBrowserMode := aValue;
end;
procedure TChromiumCore.SetAudioMuted(aValue : boolean);
begin
if Initialized then
Browser.Host.SetAudioMuted(aValue);
end;
procedure TChromiumCore.SetWindowlessFrameRate(aValue : integer);
begin
if Initialized then
Browser.Host.SetWindowlessFrameRate(aValue);
end;
function TChromiumCore.GetCanGoBack : boolean;
begin
Result := Initialized and Browser.CanGoBack;
end;
function TChromiumCore.GetCanGoForward : boolean;
begin
Result := Initialized and Browser.CanGoForward;
end;
function TChromiumCore.GetIsPopUp : boolean;
begin
Result := Initialized and Browser.IsPopUp;
end;
function TChromiumCore.GetInitialized : boolean;
begin
Result := False;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
Result := (FBrowserId <> 0) and (FBrowsers <> nil) and not(FBrowsers.BrowserIsClosing[FBrowserId]);
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.GetDocumentURL : ustring;
var
TempFrame : ICefFrame;
begin
Result := '';
if Initialized then
begin
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then Result := TempFrame.URL;
end;
end;
function TChromiumCore.GetZoomLevel : double;
begin
if Initialized then
Result := Browser.Host.ZoomLevel
else
Result := 0;
end;
function TChromiumCore.GetZoomPct : double;
begin
Result := power(1.2, ZoomLevel) * 100;
end;
function TChromiumCore.GetZoomStep : byte;
begin
Result := ZOOM_STEP_DEF;
if (FZoomStepCS <> nil) then
try
FZoomStepCS.Acquire;
Result := FZoomStep;
finally
FZoomStepCS.Release;
end;
end;
procedure TChromiumCore.SetZoomLevel(const aValue : double);
begin
if CefCurrentlyOn(TID_UI) then
doSetZoomLevel(aValue)
else
ExecuteSetZoomLevelTask(aValue);
end;
procedure TChromiumCore.SetZoomPct(const aValue : double);
begin
if CefCurrentlyOn(TID_UI) then
doSetZoomPct(aValue)
else
ExecuteSetZoomPctTask(aValue);
end;
procedure TChromiumCore.SetZoomStep(aValue : byte);
begin
if CefCurrentlyOn(TID_UI) then
doSetZoomStep(aValue)
else
ExecuteSetZoomStepTask(aValue);
end;
// Increments the Zoom Step value and triggers the TChromium.OnZoomPctAvailable event with the new value
procedure TChromiumCore.IncZoomStep;
begin
if CefCurrentlyOn(TID_UI) then
doUpdateZoomStep(True)
else
ExecuteUpdateZoomStepTask(True);
end;
// Decrements the Zoom Step value and triggers the TChromium.OnZoomPctAvailable event with the new value
procedure TChromiumCore.DecZoomStep;
begin
if CefCurrentlyOn(TID_UI) then
doUpdateZoomStep(False)
else
ExecuteUpdateZoomStepTask(False);
end;
// Increments the Zoom Percent value and triggers the TChromium.OnZoomPctAvailable event with the new value
procedure TChromiumCore.IncZoomPct;
begin
if CefCurrentlyOn(TID_UI) then
doUpdateZoomPct(True)
else
ExecuteUpdateZoomPctTask(True);
end;
// Decrements the Zoom Percent value and triggers the TChromium.OnZoomPctAvailable event with the new value
procedure TChromiumCore.DecZoomPct;
begin
if CefCurrentlyOn(TID_UI) then
doUpdateZoomPct(False)
else
ExecuteUpdateZoomPctTask(False);
end;
// Sets the Zoom Step to the default value and triggers the TChromium.OnZoomPctAvailable event
procedure TChromiumCore.ResetZoomStep;
begin
ZoomStep := ZOOM_STEP_DEF;
end;
// Sets the Zoom Level to the default value and triggers the TChromium.OnZoomPctAvailable event
procedure TChromiumCore.ResetZoomLevel;
begin
ZoomLevel := 0;
end;
// Sets the Zoom Percent to the default value and triggers the TChromium.OnZoomPctAvailable event
procedure TChromiumCore.ResetZoomPct;
begin
ZoomPct := ZoomStepValues[ZOOM_STEP_DEF];
end;
// Triggers the TChromium.OnZoomPctAvailable event with the current Zoom Percent value
procedure TChromiumCore.ReadZoom;
begin
if CefCurrentlyOn(TID_UI) then
doReadZoom
else
ExecuteReadZoomTask;
end;
function TChromiumCore.ExecuteUpdateZoomStepTask(aInc : boolean) : boolean;
var
TempTask : ICefTask;
begin
Result := False;
try
if Initialized then
begin
TempTask := TCefUpdateZoomStepTask.Create(self, aInc);
Result := CefPostTask(TID_UI, TempTask);
end;
finally
TempTask := nil;
end;
end;
function TChromiumCore.ExecuteUpdateZoomPctTask(aInc : boolean) : boolean;
var
TempTask : ICefTask;
begin
Result := False;
try
if Initialized then
begin
TempTask := TCefUpdateZoomPctTask.Create(self, aInc);
Result := CefPostTask(TID_UI, TempTask);
end;
finally
TempTask := nil;
end;
end;
function TChromiumCore.ExecuteReadZoomTask : boolean;
var
TempTask : ICefTask;
begin
Result := False;
try
if Initialized then
begin
TempTask := TCefReadZoomTask.Create(self);
Result := CefPostTask(TID_UI, TempTask);
end;
finally
TempTask := nil;
end;
end;
function TChromiumCore.ExecuteSetZoomPctTask(const aValue : double) : boolean;
var
TempTask : ICefTask;
begin
Result := False;
try
if Initialized then
begin
TempTask := TCefSetZoomPctTask.Create(self, aValue);
Result := CefPostTask(TID_UI, TempTask);
end;
finally
TempTask := nil;
end;
end;
function TChromiumCore.ExecuteSetZoomLevelTask(const aValue : double) : boolean;
var
TempTask : ICefTask;
begin
Result := False;
try
if Initialized then
begin
TempTask := TCefSetZoomLevelTask.Create(self, aValue);
Result := CefPostTask(TID_UI, TempTask);
end;
finally
TempTask := nil;
end;
end;
function TChromiumCore.ExecuteSetZoomStepTask(aValue : byte) : boolean;
var
TempTask : ICefTask;
begin
Result := False;
try
if Initialized then
begin
TempTask := TCefSetZoomStepTask.Create(self, aValue);
Result := CefPostTask(TID_UI, TempTask);
end;
finally
TempTask := nil;
end;
end;
procedure TChromiumCore.SetDoNotTrack(aValue : boolean);
begin
if (FDoNotTrack <> aValue) then
begin
FDoNotTrack := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetSendReferrer(aValue : boolean);
begin
if (FSendReferrer <> aValue) then
begin
FSendReferrer := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetHyperlinkAuditing(aValue : boolean);
begin
if (FHyperlinkAuditing <> aValue) then
begin
FHyperlinkAuditing := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetRunAllFlashInAllowMode(aValue : boolean);
begin
if (FRunAllFlashInAllowMode <> aValue) then
begin
FRunAllFlashInAllowMode := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetAllowOutdatedPlugins(aValue : boolean);
begin
if (FAllowOutdatedPlugins <> aValue) then
begin
FAllowOutdatedPlugins := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetAlwaysAuthorizePlugins(aValue : boolean);
begin
if (FAlwaysAuthorizePlugins <> aValue) then
begin
FAlwaysAuthorizePlugins := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetSpellChecking(aValue : boolean);
begin
if (FSpellChecking <> aValue) then
begin
FSpellChecking := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetSpellCheckerDicts(const aValue : ustring);
begin
if (FSpellCheckerDicts <> aValue) then
begin
FSpellCheckerDicts := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetSafeSearch(aValue : boolean);
begin
if (FSafeSearch <> aValue) then
begin
FSafeSearch := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetOffline(aValue : boolean);
var
TempParams : ICefDictionaryValue;
begin
if (FOffline <> aValue) then
try
FOffline := aValue;
TempParams := TCefDictionaryValueRef.New;
TempParams.SetBool('offline', FOffline);
TempParams.SetDouble('latency', 0);
TempParams.SetDouble('downloadThroughput', 0);
TempParams.SetDouble('uploadThroughput', 0);
ExecuteDevToolsMethod(0, 'Network.emulateNetworkConditions', TempParams);
finally
TempParams := nil;
end;
end;
procedure TChromiumCore.SetUserAgentOverride(const aUserAgent, aAcceptLanguage, aPlatform : ustring);
var
TempParams : ICefDictionaryValue;
begin
try
TempParams := TCefDictionaryValueRef.New;
TempParams.SetString('userAgent', aUserAgent);
if (length(aAcceptLanguage) > 0) then
TempParams.SetString('acceptLanguage', aAcceptLanguage);
if (length(aPlatform) > 0) then
TempParams.SetString('platform', aPlatform);
ExecuteDevToolsMethod(0, 'Emulation.setUserAgentOverride', TempParams);
finally
TempParams := nil;
end;
end;
procedure TChromiumCore.ClearDataForOrigin(const aOriginURL : ustring; aStorageTypes : TCefClearDataStorageTypes);
var
TempParams : ICefDictionaryValue;
begin
try
TempParams := TCefDictionaryValueRef.New;
TempParams.SetString('origin', aOriginURL);
case aStorageTypes of
cdstAppCache : TempParams.SetString('storageTypes', 'appcache');
cdstCookies : TempParams.SetString('storageTypes', 'cookies');
cdstFileSystems : TempParams.SetString('storageTypes', 'file_systems');
cdstIndexeddb : TempParams.SetString('storageTypes', 'indexeddb');
cdstLocalStorage : TempParams.SetString('storageTypes', 'local_storage');
cdstShaderCache : TempParams.SetString('storageTypes', 'shader_cache');
cdstWebsql : TempParams.SetString('storageTypes', 'websql');
cdstServiceWorkers : TempParams.SetString('storageTypes', 'service_workers');
cdstCacheStorage : TempParams.SetString('storageTypes', 'cache_storage');
else TempParams.SetString('storageTypes', 'all');
end;
ExecuteDevToolsMethod(0, 'Storage.clearDataForOrigin', TempParams);
finally
TempParams := nil;
end;
end;
procedure TChromiumCore.SetYouTubeRestrict(aValue : integer);
begin
if (FYouTubeRestrict <> aValue) then
begin
FYouTubeRestrict := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetPrintingEnabled(aValue : boolean);
begin
if (FPrintingEnabled <> aValue) then
begin
FPrintingEnabled := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetAcceptLanguageList(const aValue : ustring);
begin
if (FAcceptLanguageList <> aValue) then
begin
FAcceptLanguageList := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetAcceptCookies(const aValue : TCefCookiePref);
begin
if (FAcceptCookies <> aValue) then
begin
FAcceptCookies := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetBlock3rdPartyCookies(const aValue : boolean);
begin
if (FBlock3rdPartyCookies <> aValue) then
begin
FBlock3rdPartyCookies := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetOnRequestContextInitialized(const aValue : TOnRequestContextInitialized);
begin
FOnRequestContextInitialized := aValue;
CreateReqContextHandler;
end;
procedure TChromiumCore.SetOnBeforePluginLoad(const aValue : TOnBeforePluginLoad);
begin
FOnBeforePluginLoad := aValue;
CreateReqContextHandler;
end;
procedure TChromiumCore.UpdateHostZoomLevel(const aValue : double);
begin
if Initialized then
Browser.Host.ZoomLevel := aValue;
end;
procedure TChromiumCore.UpdateHostZoomPct(const aValue : double);
begin
if (aValue > 0) then
UpdateHostZoomLevel(LogN(1.2, aValue / 100));
end;
procedure TChromiumCore.SetWebRTCIPHandlingPolicy(aValue : TCefWebRTCHandlingPolicy);
begin
if (FWebRTCIPHandlingPolicy <> aValue) then
begin
FWebRTCIPHandlingPolicy := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetWebRTCMultipleRoutes(aValue : TCefState);
begin
if (FWebRTCMultipleRoutes <> aValue) then
begin
FWebRTCMultipleRoutes := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetWebRTCNonProxiedUDP(aValue : TCefState);
begin
if (FWebRTCNonProxiedUDP <> aValue) then
begin
FWebRTCNonProxiedUDP := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetProxyType(aValue : integer);
begin
if (FProxyType <> aValue) then
begin
FProxyType := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetProxyScheme(aValue : TCefProxyScheme);
begin
if (FProxyScheme <> aValue) then
begin
FProxyScheme := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetProxyServer(const aValue : ustring);
begin
if (FProxyServer <> aValue) then
begin
FProxyServer := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetProxyPort(aValue : integer);
begin
if (FProxyPort <> aValue) then
begin
FProxyPort := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetProxyUsername(const aValue : ustring);
begin
if (FProxyUsername <> aValue) then
begin
FProxyUsername := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetProxyPassword(const aValue : ustring);
begin
if (FProxyPassword <> aValue) then
begin
FProxyPassword := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetProxyScriptURL(const aValue : ustring);
begin
if (FProxyScriptURL <> aValue) then
begin
FProxyScriptURL := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetProxyByPassList(const aValue : ustring);
begin
if (FProxyByPassList <> aValue) then
begin
FProxyByPassList := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetMaxConnectionsPerProxy(const aValue : integer);
begin
if (FMaxConnectionsPerProxy <> aValue) and
(aValue in [CEF_MAX_CONNECTIONS_PER_PROXY_MIN_VALUE..CEF_MAX_CONNECTIONS_PER_PROXY_MAX_VALUE]) then
begin
FMaxConnectionsPerProxy := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromiumCore.SetCustomHeaderName(const aValue : ustring);
begin
if (FCustomHeaderName <> aValue) then
begin
FCustomHeaderName := aValue;
FAddCustomHeader := (length(FCustomHeaderName) > 0) and (length(FCustomHeaderValue) > 0);
end;
end;
procedure TChromiumCore.SetCustomHeaderValue(const aValue : ustring);
begin
if (FCustomHeaderValue <> aValue) then
begin
FCustomHeaderValue := aValue;
FAddCustomHeader := (length(FCustomHeaderName) > 0) and (length(FCustomHeaderValue) > 0);
end;
end;
// If aDeleteImmediately is false TChromiumCore.DeleteCookies triggers the TChromiumCore.OnCookiesDeleted
// event when the cookies are deleted.
function TChromiumCore.DeleteCookies(const url, cookieName: ustring; aDeleteImmediately : boolean) : boolean;
var
TempManager : ICefCookieManager;
TempCallback : ICefDeleteCookiesCallback;
TempContext : ICefRequestContext;
begin
Result := False;
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
begin
TempManager := TempContext.GetCookieManager(nil);
if (TempManager <> nil) then
try
if aDeleteImmediately then
TempCallBack := nil
else
TempCallback := TCefCustomDeleteCookiesCallback.Create(self);
Result := TempManager.DeleteCookies(url, cookieName, TempCallback);
finally
TempCallback := nil;
end;
end;
end;
end;
// TChromiumCore.VisitAllCookies triggers the TChromiumCore.OnCookiesVisited event for each cookie
// aID is an optional parameter to identify which VisitAllCookies call has triggered the
// OnCookiesVisited event.
// TChromiumCore.OnCookiesVisited may not be triggered if the cookie store is empty but the
// TChromium.OnCookieVisitorDestroyed event will always be triggered to signal when the browser
// when the visit is over.
function TChromiumCore.VisitAllCookies(aID : integer) : boolean;
var
TempManager : ICefCookieManager;
TempVisitor : ICefCookieVisitor;
TempContext : ICefRequestContext;
begin
Result := False;
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
begin
TempManager := TempContext.GetCookieManager(nil);
if (TempManager <> nil) then
try
TempVisitor := TCefCustomCookieVisitor.Create(self, aID);
Result := TempManager.VisitAllCookies(TempVisitor);
finally
TempVisitor := nil;
end;
end;
end;
end;
// TChromiumCore.VisitURLCookies triggers the TChromiumCore.OnCookiesVisited event for each cookie
// aID is an optional parameter to identify which VisitURLCookies call has triggered the
// OnCookiesVisited event.
// TChromiumCore.OnCookiesVisited may not be triggered if the cookie store is empty but the
// TChromium.OnCookieVisitorDestroyed event will always be triggered to signal when the browser
// when the visit is over.
function TChromiumCore.VisitURLCookies(const url : ustring;
includeHttpOnly : boolean;
aID : integer) : boolean;
var
TempManager : ICefCookieManager;
TempVisitor : ICefCookieVisitor;
TempContext : ICefRequestContext;
begin
Result := False;
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
begin
TempManager := TempContext.GetCookieManager(nil);
if (TempManager <> nil) then
try
TempVisitor := TCefCustomCookieVisitor.Create(self, aID);
Result := TempManager.VisitUrlCookies(url, includeHttpOnly, TempVisitor);
finally
TempVisitor := nil;
end;
end;
end;
end;
// TChromiumCore.SetCookie triggers the TChromiumCore.OnCookieSet event when the cookie has been set
// aID is an optional parameter to identify which SetCookie call has triggered the
// OnCookieSet event.
function TChromiumCore.SetCookie(const url, name_, value, domain, path: ustring;
secure, httponly, hasExpires: Boolean;
const creation, lastAccess, expires: TDateTime;
same_site : TCefCookieSameSite;
priority : TCefCookiePriority;
aSetImmediately : boolean;
aID : integer): Boolean;
var
TempManager : ICefCookieManager;
TempCallback : ICefSetCookieCallback;
TempContext : ICefRequestContext;
begin
Result := False;
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
begin
TempManager := TempContext.GetCookieManager(nil);
if (TempManager <> nil) then
try
if aSetImmediately then
TempCallback := nil
else
TempCallback := TCefCustomSetCookieCallback.Create(self, aID);
Result := TempManager.SetCookie(url, name_, value, domain, path,
secure, httponly, hasExpires,
creation, lastAccess, expires,
same_site, priority,
TempCallback);
finally
TempCallback := nil;
end;
end;
end;
end;
// If aFlushImmediately is false then OnCookiesFlushed is triggered when the cookies are flushed
function TChromiumCore.FlushCookieStore(aFlushImmediately : boolean) : boolean;
var
TempManager : ICefCookieManager;
TempCallback : ICefCompletionCallback;
TempContext : ICefRequestContext;
begin
Result := False;
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
begin
TempManager := TempContext.GetCookieManager(nil);
if (TempManager <> nil) then
try
if aFlushImmediately then
TempCallback := nil
else
TempCallback := TCefFlushStoreCompletionCallback.Create(self);
Result := TempManager.FlushStore(TempCallback);
finally
TempCallback := nil;
end;
end;
end;
end;
procedure TChromiumCore.UpdateSupportedSchemes(const aSchemes : TStrings; aIncludeDefaults : boolean);
var
TempManager : ICefCookieManager;
TempContext : ICefRequestContext;
begin
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
begin
TempManager := TempContext.GetCookieManager(nil);
if (TempManager <> nil) then
try
TempManager.SetSupportedSchemes(aSchemes, aIncludeDefaults, nil);
finally
TempManager := nil;
end;
end;
end;
end;
// If aClearImmediately is false then OnCertificateExceptionsCleared is triggered when the exceptions are cleared
function TChromiumCore.ClearCertificateExceptions(aClearImmediately : boolean) : boolean;
var
TempCallback : ICefCompletionCallback;
TempContext : ICefRequestContext;
begin
Result := False;
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
try
if aClearImmediately then
TempCallback := nil
else
TempCallback := TCefClearCertificateExceptionsCompletionCallback.Create(self);
TempContext.ClearCertificateExceptions(TempCallback);
Result := True;
finally
TempCallback := nil;
end;
end;
end;
// If aClearImmediately is false then OnHttpAuthCredentialsCleared is triggered when the credeintials are cleared
function TChromiumCore.ClearHttpAuthCredentials(aClearImmediately : boolean) : boolean;
var
TempCallback : ICefCompletionCallback;
TempContext : ICefRequestContext;
begin
Result := False;
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
try
if aClearImmediately then
TempCallback := nil
else
TempCallback := TCefClearHttpAuthCredentialsCompletionCallback.Create(self);
TempContext.ClearHttpAuthCredentials(TempCallback);
Result := True;
finally
TempCallback := nil;
end;
end;
end;
// If aCloseImmediately is false then OnAllConnectionsClosed is triggered when the connections are closed
function TChromiumCore.CloseAllConnections(aCloseImmediately : boolean) : boolean;
var
TempCallback : ICefCompletionCallback;
TempContext : ICefRequestContext;
begin
Result := False;
if Initialized then
begin
TempContext := Browser.Host.RequestContext;
if (TempContext <> nil) then
try
if aCloseImmediately then
TempCallback := nil
else
TempCallback := TCefCloseAllConnectionsCompletionCallback.Create(self);
TempContext.CloseAllConnections(TempCallback);
Result := True;
finally
TempCallback := nil;
end;
end;
end;
// Leave aFrameName empty to get the HTML source from the main frame
procedure TChromiumCore.RetrieveHTML(const aFrameName : ustring);
var
TempFrame : ICefFrame;
TempVisitor : ICefStringVisitor;
begin
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := Browser.GetFrame(aFrameName)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
try
TempVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetSource(TempVisitor);
finally
TempVisitor := nil;
end;
end;
end;
procedure TChromiumCore.RetrieveHTML(const aFrame : ICefFrame);
var
TempVisitor : ICefStringVisitor;
begin
if Initialized and (aFrame <> nil) and aFrame.IsValid then
try
TempVisitor := TCustomCefStringVisitor.Create(self);
aFrame.GetSource(TempVisitor);
finally
TempVisitor := nil;
end;
end;
procedure TChromiumCore.RetrieveHTML(const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
TempVisitor : ICefStringVisitor;
begin
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := Browser.GetFrameByident(aFrameIdentifier)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
try
TempVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetSource(TempVisitor);
finally
TempVisitor := nil;
end;
end;
end;
// Leave aFrameName empty to get the HTML source from the main frame
procedure TChromiumCore.RetrieveText(const aFrameName : ustring);
var
TempFrame : ICefFrame;
TempVisitor : ICefStringVisitor;
begin
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := Browser.GetFrame(aFrameName)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
try
TempVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetText(TempVisitor);
finally
TempVisitor := nil;
end;
end;
end;
procedure TChromiumCore.RetrieveText(const aFrame : ICefFrame);
var
TempVisitor : ICefStringVisitor;
begin
if Initialized and (aFrame <> nil) and aFrame.IsValid then
try
TempVisitor := TCustomCefStringVisitor.Create(self);
aFrame.GetText(TempVisitor);
finally
TempVisitor := nil;
end;
end;
procedure TChromiumCore.RetrieveText(const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
TempVisitor : ICefStringVisitor;
begin
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := Browser.GetFrameByident(aFrameIdentifier)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
try
TempVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetText(TempVisitor);
finally
TempVisitor := nil;
end;
end;
end;
procedure TChromiumCore.GetNavigationEntries(currentOnly: Boolean);
var
TempVisitor : ICefNavigationEntryVisitor;
begin
if Initialized then
try
TempVisitor := TCustomCefNavigationEntryVisitor.Create(self);
Browser.Host.GetNavigationEntries(TempVisitor, currentOnly);
finally
TempVisitor := nil;
end;
end;
function TChromiumCore.GetFrameNames(var aFrameNames : TStrings) : boolean;
begin
Result := Initialized and Browser.GetFrameNames(aFrameNames);
end;
function TChromiumCore.GetFrameIdentifiers(var aFrameCount : NativeUInt; var aFrameIdentifierArray : TCefFrameIdentifierArray) : boolean;
begin
Result := Initialized and Browser.GetFrameIdentifiers(aFrameCount, aFrameIdentifierArray);
end;
procedure TChromiumCore.UpdatePreferences;
var
TempTask: ICefTask;
begin
if Initialized then
try
TempTask := TCefUpdatePrefsTask.Create(self);
CefPostTask(TID_UI, TempTask);
finally
TempTask := nil;
end;
end;
procedure TChromiumCore.SavePreferences(const aFileName : string);
var
TempTask: ICefTask;
begin
if Initialized and (length(aFileName) > 0) then
try
FPrefsFileName := aFileName;
TempTask := TCefSavePrefsTask.Create(self);
CefPostTask(TID_UI, TempTask);
finally
TempTask := nil;
end;
end;
{$IFDEF MSWINDOWS}
function TChromiumCore.SetNewBrowserParent(aNewParentHwnd : HWND) : boolean;
var
TempHandle : HWND;
begin
Result := False;
if Initialized then
begin
TempHandle := Browser.Host.WindowHandle;
Result := (TempHandle <> 0) and (SetParent(TempHandle, aNewParentHwnd) <> 0);
end;
end;
{$ENDIF}
procedure TChromiumCore.ResolveHost(const aURL : ustring);
var
TempCallback : ICefResolveCallback;
begin
// Results will be received in the OnResolvedHostAvailable event of this class
if Initialized and (length(aURL) > 0) then
try
TempCallback := TCefCustomResolveCallback.Create(self);
Browser.Host.RequestContext.ResolveHost(aURL, TempCallback);
finally
TempCallback := nil;
end;
end;
function TChromiumCore.IsSameBrowser(const aBrowser : ICefBrowser) : boolean;
begin
Result := Initialized and (aBrowser <> nil) and Browser.IsSame(aBrowser);
end;
// Calling ExecuteTaskOnCefThread function will trigger the TChromiumCore.OnExecuteTaskOnCefThread event.
// "aCefThreadId" indicates the CEF thread on which TChromiumCore.OnExecuteTaskOnCefThread will be executed.
// "aTaskID" is a custom ID used to identify the task that triggered the TChromiumCore.OnExecuteTaskOnCefThread event.
// "aDelayMs" is an optional delay in milliseconds to trigger the TChromiumCore.OnExecuteTaskOnCefThread event.
function TChromiumCore.ExecuteTaskOnCefThread(aCefThreadId : TCefThreadId; aTaskID : cardinal; aDelayMs : Int64) : boolean;
var
TempTask : ICefTask;
begin
Result := False;
try
if Initialized then
begin
TempTask := TCefGenericTask.Create(self, aTaskID);
if (aDelayMs <> 0) then
Result := CefPostDelayedTask(aCefThreadId, TempTask, aDelayMs)
else
Result := CefPostTask(aCefThreadId, TempTask);
end;
finally
TempTask := nil;
end;
end;
procedure TChromiumCore.ClearCache;
begin
ExecuteDevToolsMethod(0, 'Network.clearBrowserCache', nil);
end;
function TChromiumCore.GetRequestContext : ICefRequestContext;
begin
if Initialized then
Result := Browser.Host.RequestContext
else
Result := nil;
end;
function TChromiumCore.GetMediaRouter : ICefMediaRouter;
var
TempRequestContext : ICefRequestContext;
begin
TempRequestContext := RequestContext;
if (TempRequestContext <> nil) then
Result := TempRequestContext.MediaRouter
else
Result := nil;
end;
procedure TChromiumCore.SimulateMouseWheel(aDeltaX, aDeltaY : integer);
var
TempEvent : TCefMouseEvent;
begin
if Initialized then
begin
TempEvent.x := 0;
TempEvent.y := 0;
TempEvent.modifiers := EVENTFLAG_NONE;
Browser.Host.SendMouseWheelEvent(@TempEvent, aDeltaX, aDeltaY);
end;
end;
procedure TChromiumCore.doUpdatePreferences(const aBrowser: ICefBrowser);
var
TempLanguagesList : ustring;
begin
FUpdatePreferences := False;
// The preferences registered in CEF are defined in :
// /libcef/browser/prefs/browser_prefs.cc
UpdateProxyPrefs(aBrowser);
UpdatePreference(aBrowser, 'enable_do_not_track', FDoNotTrack);
UpdatePreference(aBrowser, 'enable_referrers', FSendReferrer);
UpdatePreference(aBrowser, 'enable_a_ping', FHyperlinkAuditing);
UpdatePreference(aBrowser, 'plugins.run_all_flash_in_allow_mode', FRunAllFlashInAllowMode);
UpdatePreference(aBrowser, 'plugins.allow_outdated', FAllowOutdatedPlugins);
UpdatePreference(aBrowser, 'plugins.always_authorize', FAlwaysAuthorizePlugins);
UpdatePreference(aBrowser, 'browser.enable_spellchecking', FSpellChecking);
UpdateStringListPref(aBrowser, 'spellcheck.dictionaries', FSpellCheckerDicts);
UpdatePreference(aBrowser, 'settings.force_google_safesearch', FSafeSearch);
UpdatePreference(aBrowser, 'settings.force_youtube_restrict', FYouTubeRestrict);
UpdatePreference(aBrowser, 'printing.enabled', FPrintingEnabled);
TempLanguagesList := FAcceptLanguageList;
if (length(TempLanguagesList) = 0) and (FOptions <> nil) then
TempLanguagesList := FOptions.AcceptLanguageList;
if (length(TempLanguagesList) = 0) then
TempLanguagesList := GlobalCEFApp.AcceptLanguageList;
if (length(TempLanguagesList) = 0) then
TempLanguagesList := 'en-US,en';
UpdatePreference(aBrowser, 'intl.accept_languages', TempLanguagesList);
case FAcceptCookies of
cpAllow : UpdatePreference(aBrowser, 'profile.default_content_setting_values.cookies', CEF_COOKIE_PREF_ALLOW);
cpBlock : UpdatePreference(aBrowser, 'profile.default_content_setting_values.cookies', CEF_COOKIE_PREF_BLOCK);
else UpdatePreference(aBrowser, 'profile.default_content_setting_values.cookies', CEF_COOKIE_PREF_DEFAULT);
end;
UpdatePreference(aBrowser, 'profile.block_third_party_cookies', FBlock3rdPartyCookies);
if (FMaxConnectionsPerProxy <> CEF_MAX_CONNECTIONS_PER_PROXY_DEFAULT_VALUE) then
UpdatePreference(aBrowser, 'net.max_connections_per_proxy', FMaxConnectionsPerProxy);
if FRunAllFlashInAllowMode then
UpdatePreference(aBrowser, 'profile.default_content_setting_values.plugins', 1);
case FWebRTCIPHandlingPolicy of
hpDefaultPublicAndPrivateInterfaces :
UpdatePreference(aBrowser, 'webrtc.ip_handling_policy', 'default_public_and_private_interfaces');
hpDefaultPublicInterfaceOnly :
UpdatePreference(aBrowser, 'webrtc.ip_handling_policy', 'default_public_interface_only');
hpDisableNonProxiedUDP :
UpdatePreference(aBrowser, 'webrtc.ip_handling_policy', 'disable_non_proxied_udp');
end;
if (FWebRTCMultipleRoutes <> STATE_DEFAULT) then
UpdatePreference(aBrowser, 'webrtc.multiple_routes_enabled', (FWebRTCMultipleRoutes = STATE_ENABLED));
if (FWebRTCNonProxiedUDP <> STATE_DEFAULT) then
UpdatePreference(aBrowser, 'webrtc.nonproxied_udp_enabled', (FWebRTCNonProxiedUDP = STATE_ENABLED));
end;
procedure TChromiumCore.doUpdateOwnPreferences;
begin
if Initialized then doUpdatePreferences(Browser);
end;
function TChromiumCore.UpdateProxyPrefs(const aBrowser: ICefBrowser) : boolean;
var
TempError : ustring;
TempProxy : ICefValue;
TempValue : ICefValue;
TempDict : ICefDictionaryValue;
begin
Result := False;
try
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference('proxy') then
begin
TempProxy := TCefValueRef.New;
TempValue := TCefValueRef.New;
TempDict := TCefDictionaryValueRef.New;
case FProxyType of
CEF_PROXYTYPE_AUTODETECT :
begin
TempValue.SetString('auto_detect');
TempDict.SetValue('mode', TempValue);
end;
CEF_PROXYTYPE_SYSTEM :
begin
TempValue.SetString('system');
TempDict.SetValue('mode', TempValue);
end;
CEF_PROXYTYPE_FIXED_SERVERS :
begin
TempValue.SetString('fixed_servers');
TempDict.SetValue('mode', TempValue);
case FProxyScheme of
psSOCKS4 : TempDict.SetString('server', 'socks4://' + FProxyServer + ':' + inttostr(FProxyPort));
psSOCKS5 : TempDict.SetString('server', 'socks5://' + FProxyServer + ':' + inttostr(FProxyPort));
else TempDict.SetString('server', FProxyServer + ':' + inttostr(FProxyPort));
end;
if (length(FProxyByPassList) > 0) then TempDict.SetString('bypass_list', FProxyByPassList);
end;
CEF_PROXYTYPE_PAC_SCRIPT :
begin
TempValue.SetString('pac_script');
TempDict.SetValue('mode', TempValue);
TempDict.SetString('pac_url', FProxyScriptURL);
end;
else // CEF_PROXYTYPE_DIRECT
begin
TempValue.SetString('direct');
TempDict.SetValue('mode', TempValue);
end;
end;
Result := TempProxy.SetDictionary(TempDict) and
aBrowser.Host.RequestContext.SetPreference('proxy', TempProxy, TempError);
if not(Result) then
OutputDebugMessage('TChromiumCore.UpdateProxyPrefs error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.UpdateProxyPrefs', e) then raise;
end;
finally
TempProxy := nil;
TempValue := nil;
TempDict := nil;
end;
end;
function TChromiumCore.UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; aValue : boolean) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetBool(aValue);
Result := aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromiumCore.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.UpdatePreference', e) then raise;
end;
finally
TempValue := nil;
end;
end;
function TChromiumCore.UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; aValue : integer) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetInt(aValue);
Result := aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromiumCore.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.UpdatePreference', e) then raise;
end;
finally
TempValue := nil;
end;
end;
function TChromiumCore.UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; const aValue : double) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetDouble(aValue);
Result := aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromiumCore.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.UpdatePreference', e) then raise;
end;
finally
TempValue := nil;
end;
end;
function TChromiumCore.UpdatePreference(const aBrowser: ICefBrowser; const aName, aValue : ustring) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetString(aValue);
Result := aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromiumCore.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.UpdatePreference', e) then raise;
end;
finally
TempValue := nil;
end;
end;
function TChromiumCore.UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; const aValue : TStringList) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
TempList : ICefListValue;
i : NativeUInt;
TempSize : NativeUInt;
begin
Result := False;
try
try
if (aValue <> nil) and
(aValue.Count > 0) and
(aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempSize := aValue.Count;
TempList := TCefListValueRef.New;
if TempList.SetSize(TempSize) then
begin
i := 0;
while (i < TempSize) do
begin
TempList.SetString(i, aValue[i]);
inc(i);
end;
TempValue := TCefValueRef.New;
Result := TempValue.SetList(TempList) and
aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromiumCore.UpdatePreference error : ' + quotedstr(TempError));
end;
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.UpdatePreference', e) then raise;
end;
finally
TempValue := nil;
TempList := nil;
end;
end;
function TChromiumCore.UpdateStringListPref(const aBrowser: ICefBrowser; const aName, aValue : ustring) : boolean;
var
TempSL : TStringList;
begin
Result := False;
TempSL := nil;
try
if (length(aName) > 0) and (length(aValue) > 0) then
begin
TempSL := TStringList.Create;
TempSL.CommaText := aValue;
Result := UpdatePreference(aBrowser, aName, TempSL);
end;
finally
if (TempSL <> nil) then FreeAndNil(TempSL);
end;
end;
procedure TChromiumCore.HandleNull(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -null-')
else
aResultSL.Add('-null-');
end;
procedure TChromiumCore.HandleBool(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + BoolToStr(aValue.GetBool, true))
else
aResultSL.Add(BoolToStr(aValue.GetBool, true));
end;
procedure TChromiumCore.HandleInteger(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + IntToStr(aValue.GetInt))
else
aResultSL.Add(IntToStr(aValue.GetInt));
end;
procedure TChromiumCore.HandleDouble(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + FloatToStr(aValue.GetDouble))
else
aResultSL.Add(FloatToStr(aValue.GetDouble));
end;
procedure TChromiumCore.HandleString(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + aValue.GetString)
else
aResultSL.Add(aValue.GetString);
end;
procedure TChromiumCore.HandleBinary(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -binary-')
else
aResultSL.Add('-binary-');
end;
procedure TChromiumCore.HandleList(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey, TempResult : string;
i, j : integer;
TempList : ICefListValue;
TempValue : ICefValue;
TempSL : TStringList;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
TempList := aValue.GetList;
TempSL := TStringList.Create;
i := 0;
j := TempList.GetSize;
TempResult := '(' + inttostr(j) + '){';
while (i < j) do
begin
TempValue := TempList.GetValue(i);
case TempValue.GetType of
VTYPE_NULL : TempResult := TempResult + '-null-,';
VTYPE_BOOL : TempResult := TempResult + BoolToStr(TempValue.GetBool, true) + ',';
VTYPE_INT : TempResult := TempResult + IntToStr(TempValue.GetInt) + ',';
VTYPE_DOUBLE : TempResult := TempResult + FloatToStr(TempValue.GetDouble) + ',';
VTYPE_STRING : TempResult := TempResult + TempValue.GetString + ',';
VTYPE_BINARY : TempResult := TempResult + '-binary-,';
VTYPE_DICTIONARY :
begin
TempSL.Clear;
HandleDictionary(TempValue.GetDictionary, TempSL, '');
TempResult := TempResult + TempSL.CommaText + ',';
end;
VTYPE_LIST :
begin
TempSL.Clear;
HandleList(TempValue, TempSL, '', '');
TempResult := TempResult + TempSL.CommaText + ',';
end;
else TempResult := TempResult + '-invalid-,';
end;
inc(i);
end;
i := length(TempResult);
if (i > 0) and (TempResult[i] = ',') then TempResult := copy(TempResult, 1, pred(i));
TempResult := TempResult + '}';
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + TempResult)
else
aResultSL.Add(TempResult);
TempSL.Free;
end;
procedure TChromiumCore.HandleInvalid(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -invalid-')
else
aResultSL.Add('-invalid-');
end;
procedure TChromiumCore.HandleDictionary(const aDict : ICefDictionaryValue; var aResultSL : TStringList; const aRoot : string);
var
TempKeys : TStringList;
i, j : integer;
TempValue : ICefValue;
TempNewKey : string;
begin
TempKeys := nil;
try
try
if (aDict <> nil) then
begin
TempKeys := TStringList.Create;
aDict.GetKeys(TempKeys);
i := 0;
j := TempKeys.Count;
while (i < j) do
begin
TempValue := aDict.GetValue(TempKeys[i]);
case TempValue.GetType of
VTYPE_NULL : HandleNull(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_BOOL : HandleBool(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_INT : HandleInteger(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_DOUBLE : HandleDouble(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_STRING : HandleString(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_BINARY : HandleBinary(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_LIST : HandleList(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_DICTIONARY :
begin
if (length(aRoot) > 0) then
TempNewKey := aRoot + '.' + TempKeys[i]
else
TempNewKey := TempKeys[i];
HandleDictionary(TempValue.GetDictionary, aResultSL, TempNewKey);
end;
else
HandleInvalid(TempValue, aResultSL, aRoot, TempKeys[i]);
end;
inc(i);
end;
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.HandleDictionary', e) then raise;
end;
finally
if (TempKeys <> nil) then TempKeys.Free;
end;
end;
function TChromiumCore.doSavePreferences : boolean;
{$IFDEF MSWINDOWS}
var
TempDict : ICefDictionaryValue;
TempPrefs : TStringList;
{$ENDIF}
begin
Result := False;
{$IFDEF MSWINDOWS}
TempPrefs := nil;
try
try
if Initialized then
begin
TempPrefs := TStringList.Create;
TempDict := Browser.Host.RequestContext.GetAllPreferences(True);
HandleDictionary(TempDict, TempPrefs, '');
TempPrefs.SaveToFile(FPrefsFileName);
Result := True;
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.Internal_SavePreferences', e) then raise;
end;
finally
SendCompMessage(CEF_PREFERENCES_SAVED, Ord(Result));
if (TempPrefs <> nil) then FreeAndNil(TempPrefs);
end;
{$ENDIF}
end;
procedure TChromiumCore.doResolvedHostAvailable(result: TCefErrorCode; const resolvedIps: TStrings);
begin
if assigned(FOnResolvedHostAvailable) then
FOnResolvedHostAvailable(self, result, resolvedIps);
end;
function TChromiumCore.doNavigationVisitorResultAvailable(const entry : ICefNavigationEntry;
current : Boolean;
index : Integer;
total : Integer) : boolean;
begin
Result := False;
if assigned(FOnNavigationVisitorResultAvailable) then
FOnNavigationVisitorResultAvailable(entry, current, index, total, Result);
end;
procedure TChromiumCore.doDownloadImageFinished(const imageUrl : ustring;
httpStatusCode : Integer;
const image : ICefImage);
begin
if assigned(FOnDownloadImageFinished) then
FOnDownloadImageFinished(self, imageUrl, httpStatusCode, image);
end;
procedure TChromiumCore.doOnCookiesStoreFlushed;
begin
if assigned(FOnCookiesFlushed) then
FOnCookiesFlushed(self);
end;
procedure TChromiumCore.doCertificateExceptionsCleared;
begin
if assigned(FOnCertificateExceptionsCleared) then
FOnCertificateExceptionsCleared(self);
end;
procedure TChromiumCore.doHttpAuthCredentialsCleared;
begin
if assigned(FOnHttpAuthCredentialsCleared) then
FOnHttpAuthCredentialsCleared(self);
end;
procedure TChromiumCore.doAllConnectionsClosed;
begin
if assigned(FOnAllConnectionsClosed) then
FOnAllConnectionsClosed(self);
end;
procedure TChromiumCore.doOnExecuteTaskOnCefThread(aTaskID : cardinal);
begin
if assigned(FOnExecuteTaskOnCefThread) then
FOnExecuteTaskOnCefThread(self, aTaskID);
end;
procedure TChromiumCore.doOnCookiesVisited(const name_, value, domain, path: ustring;
secure, httponly, hasExpires: Boolean;
const creation, lastAccess, expires: TDateTime;
count, total, aID : Integer;
same_site : TCefCookieSameSite;
priority : TCefCookiePriority;
var aDeleteCookie, aResult : Boolean);
begin
if assigned(FOnCookiesVisited) then
FOnCookiesVisited(self, name_, value, domain, path,
secure, httponly, hasExpires,
creation, lastAccess, expires,
count, total, aID,
same_site, priority,
aDeleteCookie, aResult);
end;
procedure TChromiumCore.doOnCookieVisitorDestroyed(aID : integer);
begin
if assigned(FOnCookieVisitorDestroyed) then
FOnCookieVisitorDestroyed(self, aID);
end;
procedure TChromiumCore.doOnCookieSet(aSuccess : boolean; aID : integer);
begin
if assigned(FOnCookieSet) then
FOnCookieSet(self, aSuccess, aID);
end;
procedure TChromiumCore.doUpdateZoomStep(aInc : boolean);
var
TempPct, TempPrev, TempNext : double;
i : integer;
begin
if not(Initialized) or (FZoomStepCS = nil) then exit;
try
FZoomStepCS.Acquire;
if (FZoomStep in [ZOOM_STEP_MIN..ZOOM_STEP_MAX]) then
begin
if aInc then
begin
if (FZoomStep < ZOOM_STEP_MAX) then
begin
inc(FZoomStep);
UpdateHostZoomPct(ZoomStepValues[FZoomStep]);
end;
end
else
if (FZoomStep > ZOOM_STEP_MIN) then
begin
dec(FZoomStep);
UpdateHostZoomPct(ZoomStepValues[FZoomStep]);
end;
end
else
begin
TempPct := ZoomPct;
TempPrev := 0;
i := ZOOM_STEP_MIN;
repeat
if (i <= ZOOM_STEP_MAX) then
TempNext := ZoomStepValues[i]
else
TempNext := ZoomStepValues[ZOOM_STEP_MAX] * 2;
if (TempPct > TempPrev) and (TempPct < TempNext) then
begin
if aInc then
begin
if (i <= ZOOM_STEP_MAX) then
begin
FZoomStep := i;
UpdateHostZoomPct(ZoomStepValues[FZoomStep]);
end;
end
else
if (i > ZOOM_STEP_MIN) then
begin
FZoomStep := pred(i);
UpdateHostZoomPct(ZoomStepValues[FZoomStep]);
end;
i := ZOOM_STEP_MAX + 2;
end
else
begin
TempPrev := TempNext;
inc(i);
end;
until (i > succ(ZOOM_STEP_MAX));
end;
finally
FZoomStepCS.Release;
if assigned(FOnZoomPctAvailable) then
FOnZoomPctAvailable(self, ZoomPct);
end;
end;
procedure TChromiumCore.doUpdateZoomPct(aInc : boolean);
var
TempNewZoom : double;
i : integer;
begin
if not(Initialized) or (FZoomStepCS = nil) then exit;
TempNewZoom := ZoomPct;
try
FZoomStepCS.Acquire;
if aInc then
TempNewZoom := min(TempNewZoom + ZOOM_PCT_DELTA, ZoomStepValues[ZOOM_STEP_MAX])
else
TempNewZoom := max(TempNewZoom - ZOOM_PCT_DELTA, ZoomStepValues[ZOOM_STEP_MIN]);
for i := ZOOM_STEP_MIN to ZOOM_STEP_MAX do
if (TempNewZoom = ZoomStepValues[i]) then break;
FZoomStep := i;
UpdateHostZoomPct(TempNewZoom);
finally
FZoomStepCS.Release;
if assigned(FOnZoomPctAvailable) then
FOnZoomPctAvailable(self, TempNewZoom);
end;
end;
procedure TChromiumCore.doReadZoom;
begin
if Initialized and assigned(FOnZoomPctAvailable) then
FOnZoomPctAvailable(self, ZoomPct);
end;
procedure TChromiumCore.doSetZoomLevel(const aValue : double);
var
TempZoom : double;
i : integer;
begin
if not(Initialized) or (FZoomStepCS = nil) then exit;
try
FZoomStepCS.Acquire;
UpdateHostZoomLevel(aValue);
TempZoom := ZoomPct;
for i := ZOOM_STEP_MIN to ZOOM_STEP_MAX do
if (TempZoom = ZoomStepValues[i]) then break;
FZoomStep := i;
finally
FZoomStepCS.Release;
if assigned(FOnZoomPctAvailable) then
FOnZoomPctAvailable(self, ZoomPct);
end;
end;
procedure TChromiumCore.doSetZoomPct(const aValue : double);
var
TempZoom : double;
i : integer;
begin
if not(Initialized) or (FZoomStepCS = nil) then exit;
try
FZoomStepCS.Acquire;
if (aValue >= ZoomStepValues[ZOOM_STEP_MIN]) and
(aValue <= ZoomStepValues[ZOOM_STEP_MAX]) then
begin
UpdateHostZoomPct(aValue);
TempZoom := ZoomPct;
for i := ZOOM_STEP_MIN to ZOOM_STEP_MAX do
if (TempZoom = ZoomStepValues[i]) then break;
FZoomStep := i;
end;
finally
FZoomStepCS.Release;
if assigned(FOnZoomPctAvailable) then
FOnZoomPctAvailable(self, ZoomPct);
end;
end;
procedure TChromiumCore.doSetZoomStep(aValue : byte);
begin
if not(Initialized) or (FZoomStepCS = nil) then exit;
try
FZoomStepCS.Acquire;
if (aValue in [ZOOM_STEP_MIN..ZOOM_STEP_MAX]) then
begin
FZoomStep := aValue;
UpdateHostZoomPct(ZoomStepValues[aValue]);
end;
finally
FZoomStepCS.Release;
if assigned(FOnZoomPctAvailable) then
FOnZoomPctAvailable(self, ZoomPct);
end;
end;
procedure TChromiumCore.doMediaRouteCreateFinished( result : TCefMediaRouterCreateResult;
const error : ustring;
const route : ICefMediaRoute);
begin
if assigned(FOnMediaRouteCreateFinished) then
FOnMediaRouteCreateFinished(self, result, error, route);
end;
function TChromiumCore.MustCreateLoadHandler : boolean;
begin
Result := assigned(FOnLoadStart) or
assigned(FOnLoadEnd) or
assigned(FOnLoadError) or
assigned(FOnLoadingStateChange);
end;
function TChromiumCore.MustCreateFocusHandler : boolean;
begin
Result := assigned(FOnTakeFocus) or
assigned(FOnSetFocus) or
assigned(FOnGotFocus);
end;
function TChromiumCore.MustCreateContextMenuHandler : boolean;
begin
Result := assigned(FOnBeforeContextMenu) or
assigned(FOnRunContextMenu) or
assigned(FOnContextMenuCommand) or
assigned(FOnContextMenuDismissed);
end;
function TChromiumCore.MustCreateDialogHandler : boolean;
begin
Result := assigned(FOnFileDialog);
end;
function TChromiumCore.MustCreateKeyboardHandler : boolean;
begin
Result := assigned(FOnPreKeyEvent) or
assigned(FOnKeyEvent);
end;
function TChromiumCore.MustCreateDisplayHandler : boolean;
begin
Result := assigned(FOnAddressChange) or
assigned(FOnTitleChange) or
assigned(FOnFavIconUrlChange) or
assigned(FOnFullScreenModeChange) or
assigned(FOnTooltip) or
assigned(FOnStatusMessage) or
assigned(FOnConsoleMessage) or
assigned(FOnAutoResize) or
assigned(FOnLoadingProgressChange);
end;
function TChromiumCore.MustCreateDownloadHandler : boolean;
begin
Result := assigned(FOnBeforeDownload) or
assigned(FOnDownloadUpdated);
end;
function TChromiumCore.MustCreateJsDialogHandler : boolean;
begin
Result := assigned(FOnJsdialog) or
assigned(FOnBeforeUnloadDialog) or
assigned(FOnResetDialogState) or
assigned(FOnDialogClosed);
end;
function TChromiumCore.MustCreateLifeSpanHandler : boolean;
begin
Result := True;
end;
function TChromiumCore.MustCreateRenderHandler : boolean;
begin
Result := FIsOSR;
end;
function TChromiumCore.MustCreateRequestHandler : boolean;
begin
Result := True;
end;
function TChromiumCore.MustCreateDragHandler : boolean;
begin
Result := assigned(FOnDragEnter) or
assigned(FOnDraggableRegionsChanged);
end;
function TChromiumCore.MustCreateFindHandler : boolean;
begin
Result := assigned(FOnFindResult);
end;
function TChromiumCore.MustCreateResourceRequestHandler : boolean;
begin
Result := assigned(FOnBeforeResourceLoad) or
assigned(FOnGetResourceHandler) or
assigned(FOnResourceRedirect) or
assigned(FOnResourceResponse) or
assigned(FOnGetResourceResponseFilter) or
assigned(FOnResourceLoadComplete) or
assigned(FOnProtocolExecution) or
MustCreateCookieAccessFilter;
end;
function TChromiumCore.MustCreateCookieAccessFilter : boolean;
begin
Result := assigned(FOnCanSendCookie) or
assigned(FOnCanSaveCookie);
end;
function TChromiumCore.MustCreateRequestContextHandler : boolean;
begin
Result := assigned(FOnRequestContextInitialized) or
assigned(FOnBeforePluginLoad) or
assigned(FOnGetResourceRequestHandler_ReqCtxHdlr) or
MustCreateResourceRequestHandler;
end;
function TChromiumCore.MustCreateMediaObserver : boolean;
begin
Result := assigned(FOnSinks) or
assigned(FOnRoutes) or
assigned(FOnRouteStateChanged) or
assigned(FOnRouteMessageReceived);
end;
function TChromiumCore.MustCreateAudioHandler : boolean;
begin
Result := assigned(FOnGetAudioParameters) or
assigned(FOnAudioStreamStarted) or
assigned(FOnAudioStreamPacket) or
assigned(FOnAudioStreamStopped) or
assigned(FOnAudioStreamError);
end;
function TChromiumCore.MustCreateDevToolsMessageObserver : boolean;
begin
Result := assigned(FOnDevToolsMessage) or
assigned(FOnDevToolsMethodResult) or
assigned(FOnDevToolsEvent) or
assigned(FOnDevToolsAgentAttached) or
assigned(FOnDevToolsAgentDetached);
end;
{$IFDEF MSWINDOWS}
procedure TChromiumCore.PrefsAvailableMsg(aResultOK : boolean);
begin
if assigned(FOnPrefsAvailable) then
FOnPrefsAvailable(self, aResultOK);
end;
function TChromiumCore.SendCompMessage(aMsg : cardinal; aWParam : WPARAM; aLParam : LPARAM) : boolean;
begin
Result := (FCompHandle <> 0) and PostMessage(FCompHandle, aMsg, aWParam, aLParam);
end;
{$ENDIF}
procedure TChromiumCore.doTextResultAvailable(const aText : ustring);
begin
if assigned(FOnTextResultAvailable) then
FOnTextResultAvailable(self, aText);
end;
procedure TChromiumCore.ExecuteJavaScript(const aCode, aScriptURL, aFrameName : ustring; aStartLine : integer);
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := Browser.GetFrame(aFrameName)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
TempFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.ExecuteJavaScript', e) then raise;
end;
end;
procedure TChromiumCore.ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrame : ICefFrame; aStartLine : integer);
begin
try
if Initialized and (aFrame <> nil) and aFrame.IsValid then
aFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.ExecuteJavaScript', e) then raise;
end;
end;
procedure TChromiumCore.ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameIdentifier : int64; aStartLine : integer = 0);
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := Browser.GetFrameByident(aFrameIdentifier)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
TempFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.ExecuteJavaScript', e) then raise;
end;
end;
procedure TChromiumCore.doCookiesDeleted(numDeleted : integer);
begin
if assigned(FOnCookiesDeleted) then
FOnCookiesDeleted(self, numDeleted);
end;
procedure TChromiumCore.doPdfPrintFinished(aResultOK : boolean);
begin
if assigned(FOnPdfPrintFinished) then
FOnPdfPrintFinished(self, aResultOK);
end;
procedure TChromiumCore.ShowDevTools(const inspectElementAt: TPoint; aWindowInfo: PCefWindowInfo);
var
TempPoint : TCefPoint;
TempClient : ICefClient;
TempPPoint : PCefPoint;
begin
try
try
if Initialized then
begin
InitializeSettings(FDevBrowserSettings);
if aWindowInfo = nil then
DefaultInitializeDevToolsWindowInfo(0, Rect(0, 0, 0, 0), '')
else
if aWindowInfo <> @FDevWindowInfo then
FDevWindowInfo := aWindowInfo^;
TempClient := TCustomClientHandler.Create(Self, True);
if (inspectElementAt.x <> low(integer)) and
(inspectElementAt.y <> low(integer)) then
begin
TempPoint.x := inspectElementAt.x;
TempPoint.y := inspectElementAt.y;
TempPPoint := @TempPoint;
end
else
TempPPoint := nil;
Browser.Host.ShowDevTools(@FDevWindowInfo, TempClient, @FDevBrowserSettings, TempPPoint);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.ShowDevTools', e) then raise;
end;
finally
TempClient := nil;
end;
end;
procedure TChromiumCore.CloseDevTools(const aDevToolsWnd : TCefWindowHandle);
begin
if Initialized then
begin
{$IFDEF MSWINDOWS}
if (aDevToolsWnd <> 0) then
SetParent(GetWindow(aDevToolsWnd, GW_CHILD), 0);
{$ENDIF}
Browser.Host.CloseDevTools;
end;
end;
function TChromiumCore.SendDevToolsMessage(const message_: ustring): boolean;
begin
Result := Initialized and Browser.Host.SendDevToolsMessage(message_);
end;
function TChromiumCore.ExecuteDevToolsMethod(message_id: integer; const method: ustring; const params: ICefDictionaryValue): Integer;
begin
if Initialized then
Result := Browser.Host.ExecuteDevToolsMethod(message_id, method, params)
else
Result := 0;
end;
function TChromiumCore.AddDevToolsMessageObserver(const observer: ICefDevToolsMessageObserver): ICefRegistration;
begin
if Initialized then
Result := Browser.Host.AddDevToolsMessageObserver(observer)
else
Result := nil;
end;
{$IFDEF MSWINDOWS}
procedure TChromiumCore.WndProc(var aMessage: TMessage);
begin
case aMessage.Msg of
CEF_PREFERENCES_SAVED : PrefsAvailableMsg(aMessage.WParam <> 0);
CEF_STARTDRAGGING : DelayedDragging;
else aMessage.Result := DefWindowProc(FCompHandle, aMessage.Msg, aMessage.WParam, aMessage.LParam);
end;
end;
procedure TChromiumCore.BrowserCompWndProc(var aMessage: TMessage);
var
TempHandled : boolean;
begin
try
TempHandled := False;
try
if assigned(FOnBrowserCompMsg) then
FOnBrowserCompMsg(aMessage, TempHandled);
if not(TempHandled) then
CallOldCompWndProc(FOldBrowserCompWndPrc, FBrowserCompHWND, aMessage);
finally
if aMessage.Msg = WM_DESTROY then
RestoreCompWndProc(FBrowserCompHWND, 0, FOldBrowserCompWndPrc);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.BrowserCompWndProc', e) then raise;
end;
end;
procedure TChromiumCore.WidgetCompWndProc(var aMessage: TMessage);
var
TempHandled : boolean;
begin
try
TempHandled := False;
try
if assigned(FOnWidgetCompMsg) then
FOnWidgetCompMsg(aMessage, TempHandled);
if not(TempHandled) then
CallOldCompWndProc(FOldWidgetCompWndPrc, FWidgetCompHWND, aMessage);
finally
if aMessage.Msg = WM_DESTROY then
RestoreCompWndProc(FWidgetCompHWND, 0, FOldWidgetCompWndPrc);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.WidgetCompWndProc', e) then raise;
end;
end;
procedure TChromiumCore.RenderCompWndProc(var aMessage: TMessage);
var
TempHandled : boolean;
begin
try
TempHandled := False;
try
if assigned(FOnRenderCompMsg) then
FOnRenderCompMsg(aMessage, TempHandled);
if not(TempHandled) then
CallOldCompWndProc(FOldRenderCompWndPrc, FRenderCompHWND, aMessage);
finally
if aMessage.Msg = WM_DESTROY then
RestoreCompWndProc(FRenderCompHWND, 0, FOldRenderCompWndPrc);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.RenderCompWndProc', e) then raise;
end;
end;
{$ENDIF}
function TChromiumCore.RemoveBrowser(const aBrowser : ICefBrowser) : boolean;
begin
Result := False;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (aBrowser <> nil) and (FBrowsers <> nil) then
begin
if FBrowsers.RemoveBrowser(aBrowser) and
(FBrowserId = aBrowser.Identifier) then
FBrowserId := FBrowsers.FirstID;
end;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.AddBrowser(const aBrowser : ICefBrowser) : boolean;
begin
Result := False;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (aBrowser <> nil) and
(FBrowsers <> nil) and
(FMultiBrowserMode or (FBrowsers.Count = 0)) and
FBrowsers.AddBrowser(aBrowser) then
begin
Result := True;
if (FBrowserId = 0) then
FBrowserId := aBrowser.Identifier;
end;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.SelectBrowser(aID : integer) : boolean;
begin
Result := False;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if FMultiBrowserMode and (FBrowsers <> nil) and (FBrowsers.SearchBrowser(aID) >= 0) then
begin
FBrowserId := aID;
Result := True;
end;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.IndexOfBrowserID(aID : integer) : integer;
begin
Result := -1;
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (FBrowsers <> nil) then
Result := FBrowsers.SearchBrowser(aID);
finally
FBrowsersCS.Release;
end;
end;
procedure TChromiumCore.SetBrowserIsClosing(aID : integer);
begin
if (FBrowsersCS <> nil) then
try
FBrowsersCS.Acquire;
if (FBrowsers <> nil) then
FBrowsers.BrowserIsClosing[aID] := True;
finally
FBrowsersCS.Release;
end;
end;
function TChromiumCore.doOnClose(const browser: ICefBrowser): Boolean;
var
TempAction : TCefCloseBrowserAction;
begin
Result := False;
TempAction := cbaClose;
// TempAction values
// -----------------
// cbaCancel : stop closing the browser
// cbaClose : continue closing the browser
// cbaDelay : stop closing the browser momentarily. Used when the application
// needs to execute some custom processes before closing the
// browser. This is usually needed to destroy a TCEFWindowParent
// in the main thread before closing the browser.
if assigned(FOnClose) then
FOnClose(Self, browser, TempAction);
case TempAction of
cbaCancel : Result := True;
cbaDelay :
begin
Result := True;
SetBrowserIsClosing(browser.Identifier);
end;
else
SetBrowserIsClosing(browser.Identifier);
end;
end;
procedure TChromiumCore.doOnBeforeClose(const browser: ICefBrowser);
begin
RemoveBrowser(browser);
if (BrowserCount = 0) then
begin
DestroyMediaObserver;
DestroyResourceRequestHandler;
DestroyReqContextHandler;
DestroyClientHandler;
end;
if assigned(FOnBeforeClose) then
FOnBeforeClose(Self, browser);
end;
procedure TChromiumCore.doOnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring);
begin
if assigned(FOnAddressChange) then
FOnAddressChange(Self, browser, frame, url);
end;
procedure TChromiumCore.doOnAfterCreated(const browser: ICefBrowser);
begin
if MultithreadApp or MultiBrowserMode then
AddBrowser(browser);
doUpdatePreferences(browser);
if (FMediaObserver <> nil) and (FMediaObserverReg = nil) then
FMediaObserverReg := AddObserver(FMediaObserver);
if (FDevToolsMsgObserver <> nil) and (FDevToolsMsgObserverReg = nil) then
FDevToolsMsgObserverReg := AddDevToolsMessageObserver(FDevToolsMsgObserver);
if assigned(FOnAfterCreated) then
FOnAfterCreated(Self, browser);
end;
function TChromiumCore.doOnBeforeBrowse(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
user_gesture : Boolean;
isRedirect : Boolean): Boolean;
begin
Result := False;
if FUpdatePreferences then
doUpdatePreferences(browser);
if assigned(FOnBeforeBrowse) then
FOnBeforeBrowse(Self, browser, frame, request, user_gesture, isRedirect, Result);
end;
procedure TChromiumCore.doOnBeforeContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel);
begin
if assigned(FOnBeforeContextMenu) then
FOnBeforeContextMenu(Self, browser, frame, params, model);
end;
function TChromiumCore.doRunContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel;
const callback : ICefRunContextMenuCallback): Boolean;
begin
Result := False;
if assigned(FOnRunContextMenu) then
FOnRunContextMenu(Self, browser, frame, params, model, callback, Result);
end;
procedure TChromiumCore.doOnBeforeDownload(const browser : ICefBrowser;
const downloadItem : ICefDownloadItem;
const suggestedName : ustring;
const callback : ICefBeforeDownloadCallback);
begin
if assigned(FOnBeforeDownload) then
FOnBeforeDownload(Self, browser, downloadItem, suggestedName, callback);
end;
function TChromiumCore.doOnBeforePopup(const browser : ICefBrowser;
const frame : ICefFrame;
const targetUrl : ustring;
const targetFrameName : ustring;
targetDisposition : TCefWindowOpenDisposition;
userGesture : Boolean;
const popupFeatures : TCefPopupFeatures;
var windowInfo : TCefWindowInfo;
var client : ICefClient;
var settings : TCefBrowserSettings;
var extra_info : ICefDictionaryValue;
var noJavascriptAccess : Boolean): Boolean;
begin
Result := False;
if assigned(FOnBeforePopup) then
FOnBeforePopup(Self, browser, frame, targetUrl, targetFrameName,
targetDisposition, userGesture, popupFeatures, windowInfo, client,
settings, extra_info, noJavascriptAccess, Result);
end;
function TChromiumCore.doOnBeforeResourceLoad(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const callback : ICefRequestCallback): TCefReturnValue;
var
TempHeaderMap : ICefStringMultimap;
begin
if FAddCustomHeader then
try
TempHeaderMap := TCefStringMultimapOwn.Create;
request.GetHeaderMap(TempHeaderMap);
TempHeaderMap.Append(FCustomHeaderName, FCustomHeaderValue);
request.SetHeaderMap(TempHeaderMap);
finally
TempHeaderMap := nil;
end;
if not(FSendReferrer) then
request.SetReferrer('', REFERRER_POLICY_NO_REFERRER);
Result := RV_CONTINUE;
if assigned(FOnBeforeResourceLoad) then
FOnBeforeResourceLoad(Self, browser, frame, request, callback, Result);
end;
function TChromiumCore.doOnBeforeUnloadDialog(const browser : ICefBrowser;
const messageText : ustring;
isReload : Boolean;
const callback : ICefJsDialogCallback): Boolean;
begin
Result := False;
if assigned(FOnBeforeUnloadDialog) then
FOnBeforeUnloadDialog(Self, browser, messageText, isReload, callback, Result);
end;
function TChromiumCore.doOnCertificateError(const browser : ICefBrowser;
certError : TCefErrorcode;
const requestUrl : ustring;
const sslInfo : ICefSslInfo;
const callback : ICefRequestCallback): Boolean;
begin
Result := False;
if assigned(FOnCertificateError) then
FOnCertificateError(Self, browser, certError, requestUrl, sslInfo, callback, Result);
end;
function TChromiumCore.doOnConsoleMessage(const browser : ICefBrowser;
level : TCefLogSeverity;
const aMessage : ustring;
const source : ustring;
line : Integer): Boolean;
begin
Result := False;
if assigned(FOnConsoleMessage) then
FOnConsoleMessage(Self, browser, level, aMessage, source, line, Result);
end;
function TChromiumCore.doOnAutoResize(const browser : ICefBrowser;
const new_size : PCefSize): Boolean;
begin
Result := False;
if assigned(FOnAutoResize) then
FOnAutoResize(Self, browser, new_size, Result);
end;
procedure TChromiumCore.doOnLoadingProgressChange(const browser: ICefBrowser; const progress: double);
begin
if assigned(FOnLoadingProgressChange) then
FOnLoadingProgressChange(self, browser, progress);
end;
function TChromiumCore.doOnContextMenuCommand(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
commandId : Integer;
eventFlags : TCefEventFlags): Boolean;
begin
Result := False;
if assigned(FOnContextMenuCommand) then
FOnContextMenuCommand(Self, browser, frame, params, commandId, eventFlags, Result);
end;
procedure TChromiumCore.doOnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame);
begin
if assigned(FOnContextMenuDismissed) then
FOnContextMenuDismissed(Self, browser, frame);
end;
procedure TChromiumCore.doOnCursorChange(const browser : ICefBrowser;
cursor : TCefCursorHandle;
cursorType : TCefCursorType;
const customCursorInfo : PCefCursorInfo);
begin
if assigned(FOnCursorChange) then
FOnCursorChange(self, browser, cursor, cursorType, customCursorInfo);
end;
procedure TChromiumCore.doOnDialogClosed(const browser: ICefBrowser);
begin
if assigned(FOnDialogClosed) then
FOnDialogClosed(Self, browser);
end;
procedure TChromiumCore.doOnDownloadUpdated(const browser : ICefBrowser;
const downloadItem : ICefDownloadItem;
const callback : ICefDownloadItemCallback);
begin
if assigned(FOnDownloadUpdated) then
FOnDownloadUpdated(Self, browser, downloadItem, callback);
end;
function TChromiumCore.doOnDragEnter(const browser : ICefBrowser;
const dragData : ICefDragData;
mask : TCefDragOperations): Boolean;
begin
Result := False;
if assigned(FOnDragEnter) then
FOnDragEnter(Self, browser, dragData, mask, Result);
end;
procedure TChromiumCore.doOnDraggableRegionsChanged(const browser : ICefBrowser;
const frame : ICefFrame;
regionsCount : NativeUInt;
const regions : PCefDraggableRegionArray);
begin
if assigned(FOnDraggableRegionsChanged) then
FOnDraggableRegionsChanged(Self, browser, frame, regionsCount, regions);
end;
procedure TChromiumCore.doOnFaviconUrlChange(const browser: ICefBrowser; const iconUrls: TStrings);
begin
if assigned(FOnFavIconUrlChange) then
FOnFavIconUrlChange(Self, browser, iconUrls);
end;
function TChromiumCore.doOnFileDialog(const browser : ICefBrowser;
mode : TCefFileDialogMode;
const title : ustring;
const defaultFilePath : ustring;
const acceptFilters : TStrings;
selectedAcceptFilter : Integer;
const callback : ICefFileDialogCallback): Boolean;
begin
Result := False;
if assigned(FOnFileDialog) then
FOnFileDialog(Self, browser, mode, title, defaultFilePath, acceptFilters,
selectedAcceptFilter, callback, Result);
end;
procedure TChromiumCore.doOnFindResult(const browser : ICefBrowser;
identifier : integer;
count : Integer;
const selectionRect : PCefRect;
activeMatchOrdinal : Integer;
finalUpdate : Boolean);
begin
if assigned(FOnFindResult) then
FOnFindResult(Self, browser, identifier, count, selectionRect, activeMatchOrdinal, finalUpdate);
end;
procedure TChromiumCore.doOnRequestContextInitialized(const request_context: ICefRequestContext);
begin
if assigned(FOnRequestContextInitialized) then
FOnRequestContextInitialized(self, request_context);
end;
function TChromiumCore.doOnBeforePluginLoad(const mimeType : ustring;
const pluginUrl : ustring;
isMainFrame : boolean;
const topOriginUrl : ustring;
const pluginInfo : ICefWebPluginInfo;
var pluginPolicy : TCefPluginPolicy): Boolean;
begin
Result := False;
if assigned(FOnBeforePluginLoad) then
FOnBeforePluginLoad(self, mimeType, pluginUrl, isMainFrame, topOriginUrl, pluginInfo, pluginPolicy, Result);
end;
procedure TChromiumCore.doGetResourceRequestHandler_ReqCtxHdlr(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
is_navigation : boolean;
is_download : boolean;
const request_initiator : ustring;
var disable_default_handling : boolean;
var aResourceRequestHandler : ICefResourceRequestHandler);
begin
if (FResourceRequestHandler <> nil) then
aResourceRequestHandler := FResourceRequestHandler;
if assigned(FOnGetResourceRequestHandler_ReqCtxHdlr) then
FOnGetResourceRequestHandler_ReqCtxHdlr(self, browser, frame, request, is_navigation, is_download,
request_initiator, disable_default_handling,
aResourceRequestHandler);
end;
procedure TChromiumCore.doOnSinks(const sinks: TCefMediaSinkArray);
begin
if assigned(FOnSinks) then
FOnSinks(self, sinks);
end;
procedure TChromiumCore.doOnRoutes(const routes: TCefMediaRouteArray);
begin
if assigned(FOnRoutes) then
FOnRoutes(self, routes);
end;
procedure TChromiumCore.doOnRouteStateChanged(const route : ICefMediaRoute;
state : TCefMediaRouteConnectionState);
begin
if assigned(FOnRouteStateChanged) then
FOnRouteStateChanged(self, route, state);
end;
procedure TChromiumCore.doOnRouteMessageReceived(const route : ICefMediaRoute;
const message_ : ustring);
begin
if assigned(FOnRouteMessageReceived) then
FOnRouteMessageReceived(self, route, message_);
end;
procedure TChromiumCore.doOnGetAudioParameters(const browser : ICefBrowser;
var params : TCefAudioParameters;
var aResult : boolean);
begin
if assigned(FOnGetAudioParameters) then
FOnGetAudioParameters(self, browser, params, aResult);
end;
procedure TChromiumCore.doOnAudioStreamStarted(const browser : ICefBrowser;
const params : TCefAudioParameters;
channels : integer);
begin
if assigned(FOnAudioStreamStarted) then
FOnAudioStreamStarted(self, browser, params, channels);
end;
procedure TChromiumCore.doOnAudioStreamPacket(const browser : ICefBrowser;
const data : PPSingle;
frames : integer;
pts : int64);
begin
if assigned(FOnAudioStreamPacket) then
FOnAudioStreamPacket(self, browser, data, frames, pts);
end;
procedure TChromiumCore.doOnAudioStreamStopped(const browser: ICefBrowser);
begin
if assigned(FOnAudioStreamStopped) then
FOnAudioStreamStopped(self, browser);
end;
procedure TChromiumCore.doOnAudioStreamError(const browser : ICefBrowser;
const message_ : ustring);
begin
if assigned(FOnAudioStreamError) then
FOnAudioStreamError(self, browser, message_);
end;
// ICefDevToolsMessageObserver
procedure TChromiumCore.doOnDevToolsMessage(const browser : ICefBrowser;
const message_ : ICefValue;
var aHandled : boolean);
begin
aHandled := False;
if assigned(FOnDevToolsMessage) then
FOnDevToolsMessage(self, browser, message_, aHandled);
end;
procedure TChromiumCore.doOnDevToolsMethodResult(const browser : ICefBrowser;
message_id : integer;
success : boolean;
const result : ICefValue);
begin
if assigned(FOnDevToolsMethodResult) then
FOnDevToolsMethodResult(self, browser, message_id, success, result);
end;
procedure TChromiumCore.doOnDevToolsEvent(const method : ustring;
const params : ICefValue);
begin
if assigned(FOnDevToolsEvent) then
FOnDevToolsEvent(self, method, params);
end;
procedure TChromiumCore.doOnDevToolsAgentAttached(const browser: ICefBrowser);
begin
if assigned(FOnDevToolsAgentAttached) then
FOnDevToolsAgentAttached(self, browser);
end;
procedure TChromiumCore.doOnDevToolsAgentDetached(const browser: ICefBrowser);
begin
if assigned(FOnDevToolsAgentDetached) then
FOnDevToolsAgentDetached(self, browser);
end;
procedure TChromiumCore.doOnFullScreenModeChange(const browser : ICefBrowser;
fullscreen : Boolean);
begin
if assigned(FOnFullScreenModeChange) then
FOnFullScreenModeChange(Self, browser, fullscreen);
end;
function TChromiumCore.doOnGetAuthCredentials(const browser : ICefBrowser;
const originUrl : ustring;
isProxy : Boolean;
const host : ustring;
port : Integer;
const realm : ustring;
const scheme : ustring;
const callback : ICefAuthCallback): Boolean;
begin
Result := False;
if isProxy and (FProxyType = CEF_PROXYTYPE_FIXED_SERVERS) and (callback <> nil) then
begin
Result := True;
callback.cont(FProxyUsername, FProxyPassword);
end
else
if assigned(FOnGetAuthCredentials) then
FOnGetAuthCredentials(Self, browser, originUrl, isProxy, host, port, realm, scheme, callback, Result);
end;
function TChromiumCore.doCanSendCookie(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const cookie : PCefCookie): boolean;
begin
Result := True;
if assigned(FOnCanSendCookie) then
FOnCanSendCookie(self, browser, frame, request, cookie, Result);
end;
function TChromiumCore.doCanSaveCookie(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
const cookie : PCefCookie): boolean;
begin
Result := True;
if assigned(FOnCanSaveCookie) then
FOnCanSaveCookie(self, browser, frame, request, response, cookie, Result);
end;
procedure TChromiumCore.doOnGetResourceHandler(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
var aResourceHandler : ICefResourceHandler);
begin
aResourceHandler := nil;
if assigned(FOnGetResourceHandler) then
FOnGetResourceHandler(Self, browser, frame, request, aResourceHandler);
end;
procedure TChromiumCore.doOnGetAccessibilityHandler(var aAccessibilityHandler : ICefAccessibilityHandler);
begin
if assigned(FOnGetAccessibilityHandler) then
FOnGetAccessibilityHandler(Self, aAccessibilityHandler);
end;
function TChromiumCore.doOnGetRootScreenRect(const browser: ICefBrowser; var rect: TCefRect): Boolean;
begin
Result := False;
if assigned(FOnGetRootScreenRect) then
FOnGetRootScreenRect(Self, browser, rect, Result);
end;
function TChromiumCore.doOnGetScreenInfo(const browser: ICefBrowser; var screenInfo: TCefScreenInfo): Boolean;
begin
Result := False;
if assigned(FOnGetScreenInfo) then
FOnGetScreenInfo(Self, browser, screenInfo, Result);
end;
function TChromiumCore.doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer; var screenX, screenY: Integer): Boolean;
begin
Result := False;
if assigned(FOnGetScreenPoint) then
FOnGetScreenPoint(Self, browser, viewX, viewY, screenX, screenY, Result);
end;
procedure TChromiumCore.doOnGetViewRect(const browser: ICefBrowser; var rect: TCefRect);
begin
if assigned(FOnGetViewRect) then
FOnGetViewRect(Self, browser, rect);
end;
procedure TChromiumCore.doOnGotFocus(const browser: ICefBrowser);
begin
if assigned(FOnGotFocus) then
FOnGotFocus(Self, browser)
end;
function TChromiumCore.doOnJsdialog(const browser : ICefBrowser;
const originUrl : ustring;
dialogType : TCefJsDialogType;
const messageText : ustring;
const defaultPromptText : ustring;
const callback : ICefJsDialogCallback;
out suppressMessage : Boolean): Boolean;
begin
Result := False;
if not(Initialized) then
suppressMessage := True
else
begin
suppressMessage := False;
if assigned(FOnJsdialog) then
FOnJsdialog(Self, browser, originUrl, dialogType, messageText,
defaultPromptText, callback, suppressMessage, Result);
end;
end;
function TChromiumCore.doOnKeyEvent(const browser : ICefBrowser;
const event : PCefKeyEvent;
osEvent : TCefEventHandle): Boolean;
begin
Result := False;
if assigned(FOnKeyEvent) then
FOnKeyEvent(Self, browser, event, osEvent, Result);
end;
procedure TChromiumCore.doOnLoadEnd(const browser : ICefBrowser;
const frame : ICefFrame;
httpStatusCode : Integer);
begin
if assigned(FOnLoadEnd) then
FOnLoadEnd(Self, browser, frame, httpStatusCode);
end;
procedure TChromiumCore.doOnLoadError(const browser : ICefBrowser;
const frame : ICefFrame;
errorCode : TCefErrorCode;
const errorText : ustring;
const failedUrl : ustring);
begin
if assigned(FOnLoadError) then
FOnLoadError(Self, browser, frame, errorCode, errorText, failedUrl);
end;
procedure TChromiumCore.doOnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
begin
if assigned(FOnLoadingStateChange) then
FOnLoadingStateChange(Self, browser, isLoading, canGoBack, canGoForward);
end;
procedure TChromiumCore.doOnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType);
begin
if assigned(FOnLoadStart) then
FOnLoadStart(Self, browser, frame, transitionType);
end;
function TChromiumCore.doOnOpenUrlFromTab(const browser : ICefBrowser;
const frame : ICefFrame;
const targetUrl : ustring;
targetDisposition : TCefWindowOpenDisposition;
userGesture : Boolean): Boolean;
begin
Result := False;
if assigned(FOnOpenUrlFromTab) then
FOnOpenUrlFromTab(Self, browser, frame, targetUrl, targetDisposition, userGesture, Result);
end;
procedure TChromiumCore.doGetResourceRequestHandler_ReqHdlr(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
is_navigation : boolean;
is_download : boolean;
const request_initiator : ustring;
var disable_default_handling : boolean;
var aResourceRequestHandler : ICefResourceRequestHandler);
begin
if (FResourceRequestHandler <> nil) then
aResourceRequestHandler := FResourceRequestHandler;
if assigned(FOnGetResourceRequestHandler_ReqHdlr) then
FOnGetResourceRequestHandler_ReqHdlr(self, browser, frame, request, is_navigation, is_download,
request_initiator, disable_default_handling,
aResourceRequestHandler);
end;
procedure TChromiumCore.doOnPaint(const browser : ICefBrowser;
type_ : TCefPaintElementType;
dirtyRectsCount : NativeUInt;
const dirtyRects : PCefRectArray;
const buffer : Pointer;
width : Integer;
height : Integer);
begin
if assigned(FOnPaint) then
FOnPaint(Self, browser, type_, dirtyRectsCount, dirtyRects, buffer, width, height);
end;
procedure TChromiumCore.doOnAcceleratedPaint(const browser : ICefBrowser;
type_ : TCefPaintElementType;
dirtyRectsCount : NativeUInt;
const dirtyRects : PCefRectArray;
shared_handle : Pointer);
begin
if assigned(FOnAcceleratedPaint) then
FOnAcceleratedPaint(Self, browser, type_, dirtyRectsCount, dirtyRects, shared_handle);
end;
function TChromiumCore.doOnSelectClientCertificate(const browser : ICefBrowser;
isProxy : boolean;
const host : ustring;
port : integer;
certificatesCount : NativeUInt;
const certificates : TCefX509CertificateArray;
const callback : ICefSelectClientCertificateCallback): boolean;
begin
Result := False;
if assigned(FOnSelectClientCertificate) then
FOnSelectClientCertificate(self, browser, isProxy, host, port, certificatesCount, certificates, callback, Result);
end;
procedure TChromiumCore.doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring);
begin
if assigned(FOnPluginCrashed) then
FOnPluginCrashed(Self, browser, pluginPath);
end;
procedure TChromiumCore.doOnPopupShow(const browser: ICefBrowser; show: Boolean);
begin
if assigned(FOnPopupShow) then
FOnPopupShow(self, browser, show);
end;
procedure TChromiumCore.doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect);
begin
if assigned(FOnPopupSize) then
FOnPopupSize(self, browser, rect);
end;
function TChromiumCore.doOnPreKeyEvent(const browser : ICefBrowser;
const event : PCefKeyEvent;
osEvent : TCefEventHandle;
out isKeyboardShortcut : Boolean): Boolean;
begin
Result := False;
if assigned(FOnPreKeyEvent) then
FOnPreKeyEvent(Self, browser, event, osEvent, isKeyboardShortcut, Result);
end;
function TChromiumCore.doOnProcessMessageReceived(const browser : ICefBrowser;
const frame : ICefFrame;
sourceProcess : TCefProcessId;
const aMessage : ICefProcessMessage): Boolean;
begin
Result := False;
if assigned(FOnProcessMessageReceived) then
FOnProcessMessageReceived(Self, browser, frame, sourceProcess, aMessage, Result);
end;
procedure TChromiumCore.doOnProtocolExecution(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
var allowOsExecution : Boolean);
begin
if assigned(FOnProtocolExecution) then
FOnProtocolExecution(Self, browser, frame, request, allowOsExecution);
end;
function TChromiumCore.doOnQuotaRequest(const browser : ICefBrowser;
const originUrl : ustring;
newSize : Int64;
const callback : ICefRequestCallback): Boolean;
begin
Result := False;
if assigned(FOnQuotaRequest) then
FOnQuotaRequest(Self, browser, originUrl, newSize, callback, Result);
end;
procedure TChromiumCore.doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus);
begin
if assigned(FOnRenderProcessTerminated) then
FOnRenderProcessTerminated(Self, browser, status);
end;
procedure TChromiumCore.doOnDocumentAvailableInMainFrame(const browser: ICefBrowser);
begin
if assigned(FOnDocumentAvailableInMainFrame) then
FOnDocumentAvailableInMainFrame(Self, browser);
end;
{$IFDEF MSWINDOWS}
function EnumProcOSRChromeWidgetWin0(hWnd: HWND; lParam: LPARAM): BOOL; stdcall;
var
ClsName: array[0..256] of Char;
begin
ClsName[GetClassName(hWnd, ClsName, 256)] := #0;
if StrComp(ClsName, 'Chrome_WidgetWin_0') = 0 then
begin
PHandle(lParam)^ := hWnd;
Result := False;
end
else
Result := True;
end;
{$ENDIF MSWINDOWS}
procedure TChromiumCore.doOnRenderViewReady(const browser: ICefBrowser);
{$IFDEF MSWINDOWS}
var
OldBrowserCompHWND, OldWidgetCompHWND, OldRenderCompHWND: THandle;
{$ENDIF}
begin
if (browser <> nil) and
(browser.Host <> nil) and
(browser.Identifier = BrowserId) then
begin
{$IFDEF MSWINDOWS}
OldBrowserCompHWND := FBrowserCompHWND;
OldWidgetCompHWND := FWidgetCompHWND;
OldRenderCompHWND := FRenderCompHWND;
FBrowserCompHWND := browser.Host.WindowHandle;
if (FBrowserCompHWND <> 0) then
begin
FWidgetCompHWND := FindWindowEx(FBrowserCompHWND, 0, 'Chrome_WidgetWin_0', '');
if (FWidgetCompHWND = 0) and FIsOSR and CefCurrentlyOn(TID_UI) then
begin
// The WidgetCompHWND window doesn't have a HwndParent (Owner). If we are in OSR mode this
// causes popup menus that are opened by CEF to stay open if the user clicks somewhere else.
// With this code we search for the Widget window in the UI Thread's window list and set
// the Browser window as its HwndParent. This works around the bug.
EnumThreadWindows(GetCurrentThreadId, @EnumProcOSRChromeWidgetWin0, NativeInt(@FWidgetCompHWND));
if (FWidgetCompHWND <> 0) then
SetWindowLongPtr(FWidgetCompHWND, GWLP_HWNDPARENT, NativeInt(FBrowserCompHWND));
end;
end;
if (FWidgetCompHWND <> 0) then
FRenderCompHWND := FindWindowEx(FWidgetCompHWND, 0, 'Chrome_RenderWidgetHostHWND', 'Chrome Legacy Window');
RestoreCompWndProc(OldBrowserCompHWND, FBrowserCompHWND, FOldBrowserCompWndPrc);
if assigned(FOnBrowserCompMsg) and (FBrowserCompHWND <> 0) and (FOldBrowserCompWndPrc = nil) then
begin
CreateStub({$IFDEF FPC}@{$ENDIF}BrowserCompWndProc, FBrowserCompStub);
FOldBrowserCompWndPrc := InstallCompWndProc(FBrowserCompHWND, FBrowserCompStub);
end;
RestoreCompWndProc(OldWidgetCompHWND, FWidgetCompHWND, FOldWidgetCompWndPrc);
if assigned(FOnWidgetCompMsg) and (FWidgetCompHWND <> 0) and (FOldWidgetCompWndPrc = nil) then
begin
CreateStub({$IFDEF FPC}@{$ENDIF}WidgetCompWndProc, FWidgetCompStub);
FOldWidgetCompWndPrc := InstallCompWndProc(FWidgetCompHWND, FWidgetCompStub);
end;
RestoreCompWndProc(OldRenderCompHWND, FRenderCompHWND, FOldRenderCompWndPrc);
if assigned(FOnRenderCompMsg) and (FRenderCompHWND <> 0) and (FOldRenderCompWndPrc = nil) then
begin
CreateStub({$IFDEF FPC}@{$ENDIF}RenderCompWndProc, FRenderCompStub);
FOldRenderCompWndPrc := InstallCompWndProc(FRenderCompHWND, FRenderCompStub);
end;
{$ENDIF}
end;
if assigned(FOnRenderViewReady) then
FOnRenderViewReady(Self, browser);
end;
procedure TChromiumCore.doOnResetDialogState(const browser: ICefBrowser);
begin
if assigned(FOnResetDialogState) then
FOnResetDialogState(Self, browser);
end;
procedure TChromiumCore.doOnResourceRedirect(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
var newUrl : ustring);
begin
if assigned(FOnResourceRedirect) then
FOnResourceRedirect(Self, browser, frame, request, response, newUrl);
end;
function TChromiumCore.doOnResourceResponse(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse): Boolean;
begin
Result := False;
if assigned(FOnResourceResponse) then
FOnResourceResponse(Self, browser, frame, request, response, Result);
end;
procedure TChromiumCore.doOnGetResourceResponseFilter(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
var aResponseFilter : ICefResponseFilter);
begin
aResponseFilter := nil;
if assigned(FOnGetResourceResponseFilter) then
FOnGetResourceResponseFilter(self, browser, frame, request, response, aResponseFilter);
end;
procedure TChromiumCore.doOnResourceLoadComplete(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
status : TCefUrlRequestStatus;
receivedContentLength : Int64);
begin
if assigned(FOnResourceLoadComplete) then
FOnResourceLoadComplete(self, browser, frame, request, response, status, receivedContentLength);
end;
procedure TChromiumCore.doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double);
begin
if assigned(FOnScrollOffsetChanged) then
FOnScrollOffsetChanged(Self, browser, x, y);
end;
procedure TChromiumCore.doOnIMECompositionRangeChanged(const browser : ICefBrowser;
const selected_range : PCefRange;
character_boundsCount : NativeUInt;
const character_bounds : PCefRect);
begin
if assigned(FOnIMECompositionRangeChanged) then
FOnIMECompositionRangeChanged(self, browser, selected_range, character_boundsCount, character_bounds);
end;
procedure TChromiumCore.doOnTextSelectionChanged(const browser : ICefBrowser;
const selected_text : ustring;
const selected_range : PCefRange);
begin
if assigned(FOnTextSelectionChanged) then
FOnTextSelectionChanged(self, browser, selected_text, selected_range);
end;
procedure TChromiumCore.doOnVirtualKeyboardRequested(const browser : ICefBrowser;
input_mode : TCefTextInpuMode);
begin
if assigned(FOnVirtualKeyboardRequested) then
FOnVirtualKeyboardRequested(self, browser, input_mode);
end;
function TChromiumCore.doOnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean;
begin
Result := False;
if assigned(FOnSetFocus) then
FOnSetFocus(Self, browser, source, Result);
end;
function TChromiumCore.doOnStartDragging(const browser : ICefBrowser;
const dragData : ICefDragData;
allowedOps : TCefDragOperations;
x : integer;
y : Integer): Boolean;
begin
Result := False;
{$IFDEF MSWINDOWS}
if FDragAndDropInitialized and
FDragDropManager.CloneDragData(dragData, allowedOps) then
begin
Result := True;
SendCompMessage(CEF_STARTDRAGGING);
end;
if assigned(FOnStartDragging) then
FOnStartDragging(Self, browser, dragData, allowedOps, x, y, Result);
{$ENDIF}
end;
procedure TChromiumCore.DelayedDragging;
{$IFDEF MSWINDOWS}
var
TempOperation : TCefDragOperation;
TempPoint : TPoint;
{$ENDIF}
begin
{$IFDEF MSWINDOWS}
if FDragAndDropInitialized and (FDropTargetWnd <> 0) and (GlobalCEFApp <> nil) then
begin
FDragOperations := DRAG_OPERATION_NONE;
TempOperation := FDragDropManager.StartDragging;
FDragOperations := DRAG_OPERATION_NONE;
GetCursorPos(TempPoint);
MapWindowPoints(0, FDropTargetWnd, TempPoint, 1);
DeviceToLogical(TempPoint, GlobalCEFApp.DeviceScaleFactor);
DragSourceEndedAt(TempPoint.x, TempPoint.y, TempOperation);
DragSourceSystemDragEnded;
end;
{$ENDIF}
end;
procedure TChromiumCore.doOnStatusMessage(const browser: ICefBrowser; const value: ustring);
begin
if assigned(FOnStatusMessage) then
FOnStatusMessage(Self, browser, value);
end;
procedure TChromiumCore.doOnTakeFocus(const browser: ICefBrowser; next: Boolean);
begin
if assigned(FOnTakeFocus) then
FOnTakeFocus(Self, browser, next);
end;
procedure TChromiumCore.doOnTitleChange(const browser: ICefBrowser; const title: ustring);
begin
if assigned(FOnTitleChange) then
FOnTitleChange(Self, browser, title);
end;
function TChromiumCore.doOnTooltip(const browser: ICefBrowser; var text: ustring): Boolean;
begin
Result := False;
if assigned(FOnTooltip) then
FOnTooltip(Self, browser, text, Result);
end;
procedure TChromiumCore.doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation);
begin
if FDragAndDropInitialized then FDragOperations := operation;
if assigned(FOnUpdateDragCursor) then
FOnUpdateDragCursor(Self, browser, operation);
end;
procedure TChromiumCore.WasResized;
begin
if Initialized then
Browser.Host.WasResized;
end;
procedure TChromiumCore.WasHidden(hidden: Boolean);
begin
if Initialized then
Browser.Host.WasHidden(hidden);
end;
procedure TChromiumCore.NotifyScreenInfoChanged;
begin
if Initialized then
Browser.Host.NotifyScreenInfoChanged;
end;
procedure TChromiumCore.NotifyMoveOrResizeStarted;
begin
if Initialized then
Browser.Host.NotifyMoveOrResizeStarted;
end;
procedure TChromiumCore.Invalidate(type_: TCefPaintElementType);
begin
if Initialized then
begin
if FIsOSR then
Browser.Host.Invalidate(type_)
{$IFDEF MSWINDOWS}
else
if (RenderHandle <> 0) then
InvalidateRect(RenderHandle, nil, False)
else
InvalidateRect(WindowHandle, nil, False);
{$ENDIF}
end;
end;
procedure TChromiumCore.SendExternalBeginFrame;
begin
if Initialized then
Browser.Host.SendExternalBeginFrame;
end;
procedure TChromiumCore.SendKeyEvent(const event: PCefKeyEvent);
begin
if Initialized then
Browser.Host.SendKeyEvent(event);
end;
procedure TChromiumCore.SendMouseClickEvent(const event : PCefMouseEvent;
type_ : TCefMouseButtonType;
mouseUp : Boolean;
clickCount : Integer);
begin
if Initialized then
Browser.Host.SendMouseClickEvent(event, type_, mouseUp, clickCount);
end;
procedure TChromiumCore.SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean);
begin
if Initialized then
Browser.Host.SendMouseMoveEvent(event, mouseLeave);
end;
procedure TChromiumCore.SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer);
begin
if Initialized then
Browser.Host.SendMouseWheelEvent(event, deltaX, deltaY);
end;
procedure TChromiumCore.SendTouchEvent(const event: PCefTouchEvent);
begin
if Initialized then
Browser.Host.SendTouchEvent(event);
end;
procedure TChromiumCore.SendFocusEvent(setFocus: Boolean);
begin
if Initialized then
Browser.Host.SendFocusEvent(setFocus);
end;
procedure TChromiumCore.SendCaptureLostEvent;
begin
if Initialized then
Browser.Host.SendCaptureLostEvent;
end;
procedure TChromiumCore.SetFocus(focus: Boolean);
begin
if Initialized then
Browser.Host.SetFocus(focus);
end;
procedure TChromiumCore.SetAccessibilityState(accessibilityState: TCefState);
begin
if Initialized then
Browser.Host.SetAccessibilityState(accessibilityState);
end;
procedure TChromiumCore.SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage; const aFrameName : ustring);
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := Browser.GetFrame(aFrameName)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
TempFrame.SendProcessMessage(targetProcess, ProcMessage);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.SendProcessMessage', e) then raise;
end;
end;
procedure TChromiumCore.SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage; const aFrame : ICefFrame);
begin
try
if Initialized and (aFrame <> nil) and aFrame.IsValid then
aFrame.SendProcessMessage(targetProcess, ProcMessage);
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.SendProcessMessage', e) then raise;
end;
end;
procedure TChromiumCore.SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage; const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := Browser.GetFrameByident(aFrameIdentifier)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
TempFrame.SendProcessMessage(targetProcess, ProcMessage);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.SendProcessMessage', e) then raise;
end;
end;
function TChromiumCore.CreateUrlRequest(const request: ICefRequest; const client: ICefUrlrequestClient; const aFrameName : ustring): ICefUrlRequest;
var
TempFrame : ICefFrame;
begin
Result := nil;
try
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := Browser.GetFrame(aFrameName)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
Result := TempFrame.CreateUrlRequest(request, client);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.CreateUrlRequest', e) then raise;
end;
end;
function TChromiumCore.CreateUrlRequest(const request: ICefRequest; const client: ICefUrlrequestClient; const aFrame : ICefFrame): ICefUrlRequest;
begin
Result := nil;
try
if Initialized and (aFrame <> nil) and aFrame.IsValid then
Result := aFrame.CreateUrlRequest(request, client);
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.CreateUrlRequest', e) then raise;
end;
end;
function TChromiumCore.CreateUrlRequest(const request: ICefRequest; const client: ICefUrlrequestClient; const aFrameIdentifier : int64): ICefUrlRequest;
var
TempFrame : ICefFrame;
begin
Result := nil;
try
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := Browser.GetFrameByident(aFrameIdentifier)
else
TempFrame := Browser.MainFrame;
if (TempFrame <> nil) and TempFrame.IsValid then
Result := TempFrame.CreateUrlRequest(request, client);
end;
except
on e : exception do
if CustomExceptionHandler('TChromiumCore.CreateUrlRequest', e) then raise;
end;
end;
procedure TChromiumCore.DragTargetDragEnter(const dragData: ICefDragData; const event: PCefMouseEvent; allowedOps: TCefDragOperations);
begin
if Initialized then
Browser.Host.DragTargetDragEnter(dragData, event, allowedOps);
end;
procedure TChromiumCore.DragTargetDragOver(const event: PCefMouseEvent; allowedOps: TCefDragOperations);
begin
if Initialized then
Browser.Host.DragTargetDragOver(event, allowedOps);
end;
procedure TChromiumCore.DragTargetDragLeave;
begin
if Initialized then
Browser.Host.DragTargetDragLeave;
end;
procedure TChromiumCore.DragTargetDrop(const event: PCefMouseEvent);
begin
if Initialized then
Browser.Host.DragTargetDrop(event);
end;
procedure TChromiumCore.DragSourceEndedAt(x, y: Integer; op: TCefDragOperation);
begin
if Initialized then
Browser.Host.DragSourceEndedAt(x, y, op);
end;
procedure TChromiumCore.DragSourceSystemDragEnded;
begin
if Initialized then
Browser.Host.DragSourceSystemDragEnded;
end;
procedure TChromiumCore.IMESetComposition(const text : ustring;
const underlines : TCefCompositionUnderlineDynArray;
const replacement_range : PCefRange;
const selection_range : PCefRange);
begin
if Initialized then
Browser.Host.IMESetComposition(text, underlines, replacement_range, selection_range);
end;
procedure TChromiumCore.IMECommitText(const text : ustring;
const replacement_range : PCefRange;
relative_cursor_pos : integer);
begin
if Initialized then
Browser.Host.IMECommitText(text, replacement_range, relative_cursor_pos);
end;
procedure TChromiumCore.IMEFinishComposingText(keep_selection : boolean);
begin
if Initialized then
Browser.Host.IMEFinishComposingText(keep_selection);
end;
procedure TChromiumCore.IMECancelComposition;
begin
if Initialized then
Browser.Host.IMECancelComposition;
end;
// ICefMediaRouter methods
function TChromiumCore.AddObserver(const observer: ICefMediaObserver): ICefRegistration;
var
TempMediaRouter : ICefMediaRouter;
begin
Result := nil;
TempMediaRouter := MediaRouter;
if (TempMediaRouter <> nil) then
Result := TempMediaRouter.AddObserver(observer);
end;
function TChromiumCore.GetSource(const urn: ustring): ICefMediaSource;
var
TempMediaRouter : ICefMediaRouter;
begin
Result := nil;
TempMediaRouter := MediaRouter;
if (TempMediaRouter <> nil) then
Result := TempMediaRouter.GetSource(urn);
end;
procedure TChromiumCore.NotifyCurrentSinks;
var
TempMediaRouter : ICefMediaRouter;
begin
TempMediaRouter := MediaRouter;
if (TempMediaRouter <> nil) then
TempMediaRouter.NotifyCurrentSinks;
end;
procedure TChromiumCore.NotifyCurrentRoutes;
var
TempMediaRouter : ICefMediaRouter;
begin
TempMediaRouter := MediaRouter;
if (TempMediaRouter <> nil) then
TempMediaRouter.NotifyCurrentRoutes;
end;
// This procedure is asynchronous and the result, ICefMediaRoute and the error
// message will be available in the TChromium.OnMediaRouteCreateFinished event.
procedure TChromiumCore.CreateRoute(const source: ICefMediaSource; const sink: ICefMediaSink);
var
TempMediaRouter : ICefMediaRouter;
TempCallback : ICefMediaRouteCreateCallback;
begin
TempMediaRouter := MediaRouter;
if (TempMediaRouter <> nil) then
try
TempCallback := TCefCustomMediaRouteCreateCallback.Create(self);
TempMediaRouter.CreateRoute(source, sink, TempCallback);
finally
TempCallback := nil;
end;
end;
{$IFDEF MSWINDOWS}
function TChromiumCore.CopyDCToBitmapStream(aSrcDC : HDC; const aSrcRect : TRect; var aStream : TStream) : boolean;
var
TempDstDC : HDC;
TempWidth : Integer;
TempHeight : Integer;
TempInfo : TBitmapInfo;
TempBits : Pointer;
TempNewBitmap : HBITMAP;
TempOldBitmap : HBITMAP;
TempHeader : TBitmapFileHeader;
begin
Result := False;
if (aSrcDC = 0) or (aStream = nil) then exit;
TempDstDC := CreateCompatibleDC(aSrcDC);
if (TempDstDC = 0) then exit;
TempWidth := aSrcRect.Right - aSrcRect.Left;
TempHeight := aSrcRect.Bottom - aSrcRect.Top;
TempBits := nil;
if (TempWidth > 0) and (TempHeight > 0) then
begin
ZeroMemory(@TempInfo, SizeOf(TBitmapInfo));
ZeroMemory(@TempHeader, SizeOf(TBitmapFileHeader));
TempInfo.bmiHeader.biSize := SizeOf(TBitmapInfoHeader);
TempInfo.bmiHeader.biWidth := TempWidth;
TempInfo.bmiHeader.biHeight := TempHeight;
TempInfo.bmiHeader.biPlanes := 1;
TempInfo.bmiHeader.biBitCount := 32;
TempInfo.bmiHeader.biCompression := BI_RGB;
TempInfo.bmiHeader.biSizeImage := TempWidth * TempHeight * SizeOf(TRGBQuad);
TempNewBitmap := CreateDIBSection(TempDstDC, TempInfo, DIB_RGB_COLORS, TempBits, 0, 0);
if (TempNewBitmap <> 0) then
try
TempOldBitmap := SelectObject(TempDstDC, TempNewBitmap);
if BitBlt(TempDstDC, 0, 0, TempWidth, TempHeight, aSrcDC, aSrcRect.Left, aSrcRect.Top, SRCCOPY) then
begin
TempHeader.bfType := $4D42; // "BM" bitmap header
TempHeader.bfOffBits := sizeof(TBitmapFileHeader) + TempInfo.bmiHeader.biSize + TempInfo.bmiHeader.biClrUsed * SizeOf(TRGBQuad);
TempHeader.bfSize := TempHeader.bfOffBits + TempInfo.bmiHeader.biSizeImage;
aStream.position := 0;
aStream.Write(TempHeader, SizeOf(TBitmapFileHeader));
aStream.Write(TempInfo.bmiHeader, SizeOf(TBitmapInfoHeader));
aStream.Write(TempBits^, TempInfo.bmiHeader.biSizeImage);
aStream.position := 0;
Result := True;
end;
SelectObject(TempDstDC, TempOldBitmap);
finally
DeleteObject(TempNewBitmap);
end;
end;
ReleaseDC(0, TempDstDC);
end;
{$ENDIF}
// ******************************************
// ************** TBrowserInfo **************
// ******************************************
constructor TBrowserInfo.Create(const aBrowser : ICefBrowser);
begin
inherited Create;
FBrowser := aBrowser;
FID := aBrowser.Identifier;
FIsClosing := False;
end;
destructor TBrowserInfo.Destroy;
begin
FBrowser := nil;
inherited Destroy;
end;
// ******************************************
// *********** TBrowserInfoList *************
// ******************************************
destructor TBrowserInfoList.Destroy;
begin
FreeAndClearAllItems;
inherited Destroy;
end;
function TBrowserInfoList.AddBrowser(const aBrowser : ICefBrowser) : boolean;
var
i : integer;
TempInfo : TBrowserInfo;
begin
Result := False;
i := SearchBrowser(aBrowser.Identifier);
if (i < 0) then
begin
TempInfo := TBrowserInfo.Create(aBrowser);
if (Add(TempInfo) >= 0) then
Result := True
else
TempInfo.Free;
end;
end;
function TBrowserInfoList.RemoveBrowser(const aBrowser : ICefBrowser) : boolean;
var
i : integer;
begin
Result := False;
i := SearchBrowser(aBrowser.Identifier);
if (i >= 0) then
begin
TBrowserInfo(Items[i]).Free;
Delete(i);
Result := True;
end;
end;
function TBrowserInfoList.SearchBrowser(aID : integer) : integer;
var
i : integer;
begin
i := 0;
while (i < Count) do
if (TBrowserInfo(Items[i]).ID = aID) then
begin
Result := i;
exit;
end
else
inc(i);
Result := -1;
end;
procedure TBrowserInfoList.SetBrowserIsClosing(aID : integer; aValue : boolean);
var
i : integer;
begin
i := SearchBrowser(aID);
if (i >= 0) then TBrowserInfo(Items[i]).IsClosing := aValue;
end;
function TBrowserInfoList.GetBrowserIsClosing(aID : integer) : boolean;
var
i : integer;
begin
i := SearchBrowser(aID);
Result := (i >= 0) and TBrowserInfo(Items[i]).IsClosing;
end;
function TBrowserInfoList.GetBrowser(aID : integer) : ICefBrowser;
var
i : integer;
begin
i := SearchBrowser(aID);
if (i >= 0) then
Result := TBrowserInfo(Items[i]).Browser
else
Result := nil;
end;
function TBrowserInfoList.GetFirstBrowser : ICefBrowser;
begin
if (Count > 0) then
Result := TBrowserInfo(Items[0]).Browser
else
Result := nil;
end;
function TBrowserInfoList.GetFirstID : integer;
begin
if (Count > 0) then
Result := TBrowserInfo(Items[0]).ID
else
Result := 0;
end;
procedure TBrowserInfoList.FreeAndClearAllItems;
var
i : integer;
begin
i := pred(Count);
while (i >= 0) do
begin
TBrowserInfo(Items[i]).Free;
dec(i);
end;
Clear;
end;
procedure TBrowserInfoList.CloseAllBrowsers;
var
i : integer;
begin
try
i := pred(Count);
while (i >= 0) do
begin
if (TBrowserInfo(Items[i]).Browser.Host <> nil) then
TBrowserInfo(Items[i]).Browser.Host.CloseBrowser(True);
dec(i);
end;
except
on e : exception do
if CustomExceptionHandler('TBrowserInfoList.CloseAllBrowsers', e) then raise;
end;
end;
end.
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