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CEF4Delphi/source/uCEFChromium.pas

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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 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 © 2017 Salvador Díaz 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 uCEFChromium;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
interface
uses
WinApi.Windows, WinApi.Messages, System.Classes, Vcl.Controls, Vcl.Graphics, Vcl.Forms,
uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFMiscFunctions, uCEFClient,
uCEFPDFPrintCallback, uCEFStringVisitor, uCEFConstants, uCEFTask,
uCEFDeleteCookiesCallback, uCEFDomVisitor, uCEFChromiumEvents,
uCEFChromiumOptions, uCEFChromiumFontOptions, uCEFPDFPrintOptions;
type
TChromium = class(TComponent, IChromiumEvents)
protected
FCompHandle : HWND;
FVisitor : ICefStringVisitor;
FPDFPrintcb : ICefPdfPrintCallback;
FCookiDeletercb : ICefDeleteCookiesCallback;
FDOMVisitor : ICefDomVisitor;
FClientHandler : TVCLClientHandler;
FHandler : ICefClient;
FBrowser : ICefBrowser;
FBrowserId : Integer;
FDefaultUrl : ustring;
FOptions : TChromiumOptions;
FFontOptions : TChromiumFontOptions;
FPDFPrintOptions : TPDFPrintOptions;
FDefaultEncoding : ustring;
FPrefs : TStringList;
FProxyType : integer;
FProxyServer : string;
FProxyPort : integer;
FProxyUsername : string;
FProxyPassword : string;
FProxyScriptURL : string;
FProxyByPassList : string;
FUpdatePreferences : boolean;
FGetPreferences : boolean;
FCustomHeaderName : string;
FCustomHeaderValue : string;
FAddCustomHeader : boolean;
FDoNotTrack : boolean;
FSendReferrer : boolean;
FHyperlinkAuditing : boolean;
FCookiePrefs : integer;
FImagesPrefs : integer;
FCMStoragePath : ustring;
FZoomStep : byte;
FWindowName : string;
FIsOSR : boolean;
FInitialized : boolean;
FClosing : boolean;
// ICefClient
FOnProcessMessageReceived : TOnProcessMessageReceived;
// ICefLoadHandler
FOnLoadStart : TOnLoadStart;
FOnLoadEnd : TOnLoadEnd;
FOnLoadError : TOnLoadError;
FOnLoadingStateChange : TOnLoadingStateChange;
// ICefFocusHandler
FOnTakeFocus : TOnTakeFocus;
FOnSetFocus : TOnSetFocus;
FOnGotFocus : TOnGotFocus;
// ICefContextMenuHandler
FOnBeforeContextMenu : TOnBeforeContextMenu;
FOnContextMenuCommand : TOnContextMenuCommand;
FOnContextMenuDismissed : TOnContextMenuDismissed;
// ICefKeyboardHandler
FOnPreKeyEvent : TOnPreKeyEvent;
FOnKeyEvent : TOnKeyEvent;
// ICefDisplayHandler
FOnAddressChange : TOnAddressChange;
FOnTitleChange : TOnTitleChange;
FOnFavIconUrlChange : TOnFavIconUrlChange;
FOnFullScreenModeChange : TOnFullScreenModeChange;
FOnTooltip : TOnTooltip;
FOnStatusMessage : TOnStatusMessage;
FOnConsoleMessage : TOnConsoleMessage;
// ICefDownloadHandler
FOnBeforeDownload : TOnBeforeDownload;
FOnDownloadUpdated : TOnDownloadUpdated;
// ICefGeolocationHandler
FOnRequestGeolocationPermission : TOnRequestGeolocationPermission;
FOnCancelGeolocationPermission : TOnCancelGeolocationPermission;
// ICefJsDialogHandler
FOnJsdialog : TOnJsdialog;
FOnBeforeUnloadDialog : TOnBeforeUnloadDialog;
FOnResetDialogState : TOnResetDialogState;
FOnDialogClosed : TOnDialogClosed;
// ICefLifeSpanHandler
FOnBeforePopup : TOnBeforePopup;
FOnAfterCreated : TOnAfterCreated;
FOnBeforeClose : TOnBeforeClose;
FOnClose : TOnClose;
// ICefRequestHandler
FOnBeforeBrowse : TOnBeforeBrowse;
FOnOpenUrlFromTab : TOnOpenUrlFromTab;
FOnBeforeResourceLoad : TOnBeforeResourceLoad;
FOnGetResourceHandler : TOnGetResourceHandler;
FOnResourceRedirect : TOnResourceRedirect;
FOnResourceResponse : TOnResourceResponse;
FOnGetResourceResponseFilter : TOnGetResourceResponseFilter;
FOnResourceLoadComplete : TOnResourceLoadComplete;
FOnGetAuthCredentials : TOnGetAuthCredentials;
FOnQuotaRequest : TOnQuotaRequest;
FOnProtocolExecution : TOnProtocolExecution;
FOnCertificateError : TOnCertificateError;
FOnSelectClientCertificate : TOnSelectClientCertificate;
FOnPluginCrashed : TOnPluginCrashed;
FOnRenderViewReady : TOnRenderViewReady;
FOnRenderProcessTerminated : TOnRenderProcessTerminated;
// ICefDialogHandler
FOnFileDialog : TOnFileDialog;
// ICefRenderHandler
FOnGetRootScreenRect : TOnGetRootScreenRect;
FOnGetViewRect : TOnGetViewRect;
FOnGetScreenPoint : TOnGetScreenPoint;
FOnGetScreenInfo : TOnGetScreenInfo;
FOnPopupShow : TOnPopupShow;
FOnPopupSize : TOnPopupSize;
FOnPaint : TOnPaint;
FOnCursorChange : TOnCursorChange;
FOnStartDragging : TOnStartDragging;
FOnUpdateDragCursor : TOnUpdateDragCursor;
FOnScrollOffsetChanged : TOnScrollOffsetChanged;
FOnIMECompositionRangeChanged : TOnIMECompositionRangeChanged;
// ICefDragHandler
FOnDragEnter : TOnDragEnter;
FOnDraggableRegionsChanged : TOnDraggableRegionsChanged;
// ICefFindHandler
FOnFindResult : TOnFindResult;
// Custom
FOnTextResultAvailable : TOnTextResultAvailableEvent;
FOnPdfPrintFinished : TOnPdfPrintFinishedEvent;
FOnPrefsAvailable : TOnTextResultAvailableEvent;
FOnCookiesDeleted : TOnCookiesDeletedEvent;
FOnDocumentAvailable : TOnDocumentAvailableEvent;
function GetIsLoading : boolean;
function GetMultithreadApp : boolean;
function GetHasDocument : boolean;
function GetHasView : boolean;
function GetHasDevTools : boolean;
function GetCanGoBack : boolean;
function GetCanGoForward : boolean;
function GetDocumentURL : string;
function GetZoomLevel : double;
function GetZoomPct : double;
function GetIsPopUp : boolean;
function GetWindowHandle : THandle;
function GetWindowlessFrameRate : integer;
function GetFrameIsFocused : boolean;
function GetInitialized : boolean;
function GetVisibleNavigationEntry : ICefNavigationEntry;
function GetHasValidMainFrame : boolean;
procedure SetDoNotTrack(aValue : boolean);
procedure SetSendReferrer(aValue : boolean);
procedure SetHyperlinkAuditing(aValue : boolean);
procedure SetCookiePrefs(aValue : integer);
procedure SetImagesPrefs(aValue : integer);
procedure SetProxyType(aValue : integer);
procedure SetProxyServer(const aValue : string);
procedure SetProxyPort(aValue : integer);
procedure SetProxyUsername(const aValue : string);
procedure SetProxyPassword(const aValue : string);
procedure SetProxyScriptURL(const aValue : string);
procedure SetProxyByPassList(const aValue : string);
procedure SetCustomHeaderName(const aValue : string);
procedure SetCustomHeaderValue(const aValue : string);
procedure SetCMStoragePath(const aValue : ustring);
procedure SetZoomLevel(const aValue : double);
procedure SetZoomPct(const aValue : double);
procedure SetZoomStep(aValue : byte);
procedure SetWindowlessFrameRate(aValue : integer);
function CreateBrowserHost(aWindowInfo : PCefWindowInfo; const aClient : ICefClient; const aURL : ustring; const aSettings : PCefBrowserSettings; const aContext : ICefRequestContext): Boolean;
function CreateBrowserHostSync(aWindowInfo : PCefWindowInfo; const aClient : ICefClient; const aURL : ustring; const aSettings : PCefBrowserSettings; const aContext : ICefRequestContext): ICefBrowser;
procedure InitializeEvents;
procedure InitializeSettings(var aSettings : TCefBrowserSettings);
procedure GetSettings(var aSettings : TCefBrowserSettings);
procedure GetPrintPDFSettings(var aSettings : TCefPdfPrintSettings; const aTitle, aURL : string);
procedure UpdateAllPreferences;
function UpdateProxyPrefs : boolean;
function UpdatePreference(const aName : string; aValue : boolean) : boolean; overload;
function UpdatePreference(const aName : string; aValue : integer) : boolean; overload;
function UpdatePreference(const aName : string; const aValue : double) : boolean; overload;
function UpdatePreference(const aName, aValue : string) : boolean; overload;
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);
procedure PrefsAvailableMsg(var aMessage : TMessage);
function GetParentForm : TCustomForm;
procedure ApplyZoomStep;
function GetAllPreferences : boolean;
function SendCompMessage(aMsg : cardinal; wParam : cardinal = 0; lParam : integer = 0) : boolean;
procedure WndProc(var aMessage: TMessage);
// ICefClient
function doOnProcessMessageReceived(const browser: ICefBrowser; 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: Integer; 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 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; 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; const aMessage, source: ustring; line: Integer): Boolean; 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;
// ICefGeolocationHandler
function doOnRequestGeolocationPermission(const browser: ICefBrowser; const requestingUrl: ustring; requestId: Integer; const callback: ICefGeolocationCallback): Boolean; virtual;
procedure doOnCancelGeolocationPermission(const browser: ICefBrowser; requestId: Integer); 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; var popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; 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; isRedirect: Boolean): Boolean; virtual;
function doOnOpenUrlFromTab(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean): Boolean; virtual;
function doOnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue;
function doOnGetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest): 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;
function doOnGetResourceResponseFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): ICefResponseFilter;
procedure doOnResourceLoadComplete(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; status: TCefUrlRequestStatus; receivedContentLength: Int64); virtual;
function doOnGetAuthCredentials(const browser: ICefBrowser; const frame: ICefFrame; 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;
procedure doOnProtocolExecution(const browser: ICefBrowser; const url: ustring; out allowOsExecution: 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;
procedure doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring); virtual;
procedure doOnRenderViewReady(const browser: ICefBrowser); virtual;
procedure doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus); virtual;
// ICefDialogHandler
function doOnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean;
// ICefRenderHandler
function doOnGetRootScreenRect(const browser: ICefBrowser; rect: PCefRect): Boolean;
function doOnGetViewRect(const browser: ICefBrowser; rect: PCefRect): Boolean;
function doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer; screenX, screenY: PInteger): Boolean;
function doOnGetScreenInfo(const browser: ICefBrowser; screenInfo: PCefScreenInfo): Boolean;
procedure doOnPopupShow(const browser: ICefBrowser; show: Boolean);
procedure doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect);
procedure doOnPaint(const browser: ICefBrowser; kind: TCefPaintElementType; dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray; const buffer: Pointer; width, height: Integer);
procedure doOnCursorChange(const browser: ICefBrowser; cursor: TCefCursorHandle; cursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo);
function doOnStartDragging(const browser: ICefBrowser; const dragData: ICefDragData; allowedOps: TCefDragOperations; x, y: Integer): Boolean;
procedure doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation);
procedure doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double);
procedure doOnIMECompositionRangeChanged(const browser: ICefBrowser; const selected_range: PCefRange; character_boundsCount: NativeUInt; const character_bounds: PCefRect);
// ICefDragHandler
function doOnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData; mask: TCefDragOperations): Boolean;
procedure doOnDraggableRegionsChanged(const browser: ICefBrowser; regionsCount: NativeUInt; regions: PCefDraggableRegionArray);
// ICefFindHandler
procedure doOnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean);
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure AfterConstruction; override;
function CreateClientHandler(aIsOSR : boolean) : boolean;
function CreateBrowser(const aBrowserParent : TWinControl = nil; const aWindowName : string = '') : boolean;
procedure CloseBrowser(aForceClose : boolean);
procedure DOMVisitorVisit(const document: ICefDomDocument);
procedure CookiesDeleted(numDeleted : integer);
procedure GetHTML;
procedure VisitDOM;
procedure PdfPrintFinished(aResultOK : boolean);
procedure TextResultAvailable(const aText : string);
procedure LoadURL(const aURL : ustring);
procedure LoadString(const aString : ustring; const aURL : ustring = '');
procedure GoBack;
procedure GoForward;
procedure Reload;
procedure ReloadIgnoreCache;
procedure StopLoad;
procedure StartDownload(const aURL : ustring);
procedure SimulateMouseWheel(aDeltaX, aDeltaY : integer);
procedure DeleteCookies;
procedure RetrieveDOMDocument;
procedure RetrieveHTML;
procedure ShowDevTools(inspectElementAt: TPoint; const aDevTools : TWinControl);
procedure CloseDevTools(const aDevTools : TWinControl = nil);
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 ResetZoomStep;
procedure MoveFormTo(const x, y: Integer);
procedure MoveFormBy(const x, y: Integer);
procedure ResizeFormWidthTo(const x : Integer);
procedure ResizeFormHeightTo(const y : Integer);
procedure SetFormLeftTo(const x : Integer);
procedure SetFormTopTo(const y : Integer);
procedure WasResized;
procedure WasHidden(hidden: Boolean);
procedure NotifyScreenInfoChanged;
procedure Invalidate(kind: TCefPaintElementType);
procedure SendKeyEvent(const event: PCefKeyEvent);
procedure SendMouseClickEvent(const event: PCefMouseEvent; kind: TCefMouseButtonType; mouseUp: Boolean; clickCount: Integer);
procedure SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean);
procedure SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer);
procedure SendFocusEvent(setFocus: Boolean);
procedure SendCaptureLostEvent;
procedure SetFocus(focus: Boolean);
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 FBrowserId;
property Browser : ICefBrowser read FBrowser;
property CefClient : ICefClient read FHandler;
property VisibleNavigationEntry : ICefNavigationEntry read GetVisibleNavigationEntry;
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 CanGoBack : boolean read GetCanGoBack;
property CanGoForward : boolean read GetCanGoForward;
property IsPopUp : boolean read GetIsPopUp;
property WindowHandle : THandle read GetWindowHandle;
property FrameIsFocused : boolean read GetFrameIsFocused;
property Initialized : boolean read GetInitialized;
property GetPreferences : boolean read FGetPreferences write FGetPreferences;
property CookiePrefs : integer read FCookiePrefs write SetCookiePrefs;
property ImagesPrefs : integer read FImagesPrefs write SetImagesPrefs;
property CMStoragePath : ustring read FCMStoragePath write SetCMStoragePath;
property DocumentURL : string read GetDocumentURL;
property WindowName : string read FWindowName write FWindowName;
property ZoomLevel : double read GetZoomLevel write SetZoomLevel;
property ZoomPct : double read GetZoomPct write SetZoomPct;
property ZoomStep : byte read FZoomStep write SetZoomStep;
property WindowlessFrameRate : integer read GetWindowlessFrameRate write SetWindowlessFrameRate;
property CustomHeaderName : string read FCustomHeaderName write SetCustomHeaderName;
property CustomHeaderValue : string 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 HasValidMainFrame : boolean read GetHasValidMainFrame;
property ProxyType : integer read FProxyType write SetProxyType;
property ProxyServer : string read FProxyServer write SetProxyServer;
property ProxyPort : integer read FProxyPort write SetProxyPort;
property ProxyUsername : string read FProxyUsername write SetProxyUsername;
property ProxyPassword : string read FProxyPassword write SetProxyPassword;
property ProxyScriptURL : string read FProxyScriptURL write SetProxyScriptURL;
property ProxyByPassList : string read FProxyByPassList write SetProxyByPassList;
published
property OnTextResultAvailable : TOnTextResultAvailableEvent read FOnTextResultAvailable write FOnTextResultAvailable;
property OnPdfPrintFinished : TOnPdfPrintFinishedEvent read FOnPdfPrintFinished write FOnPdfPrintFinished;
property OnPrefsAvailable : TOnTextResultAvailableEvent read FOnPrefsAvailable write FOnPrefsAvailable;
property OnCookiesDeleted : TOnCookiesDeletedEvent read FOnCookiesDeleted write FOnCookiesDeleted;
property OnDocumentAvailable : TOnDocumentAvailableEvent read FOnDocumentAvailable write FOnDocumentAvailable;
// 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 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;
// ICefDownloadHandler
property OnBeforeDownload : TOnBeforeDownload read FOnBeforeDownload write FOnBeforeDownload;
property OnDownloadUpdated : TOnDownloadUpdated read FOnDownloadUpdated write FOnDownloadUpdated;
// ICefGeolocationHandler
property OnRequestGeolocationPermission : TOnRequestGeolocationPermission read FOnRequestGeolocationPermission write FOnRequestGeolocationPermission;
property OnCancelGeolocationPermission : TOnCancelGeolocationPermission read FOnCancelGeolocationPermission write FOnCancelGeolocationPermission;
// 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 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 OnGetAuthCredentials : TOnGetAuthCredentials read FOnGetAuthCredentials write FOnGetAuthCredentials;
property OnQuotaRequest : TOnQuotaRequest read FOnQuotaRequest write FOnQuotaRequest;
property OnProtocolExecution : TOnProtocolExecution read FOnProtocolExecution write FOnProtocolExecution;
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;
// ICefDialogHandler
property OnFileDialog : TOnFileDialog read FOnFileDialog write FOnFileDialog;
// ICefRenderHandler
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 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;
// ICefDragHandler
property OnDragEnter : TOnDragEnter read FOnDragEnter write FOnDragEnter;
property OnDraggableRegionsChanged : TOnDraggableRegionsChanged read FOnDraggableRegionsChanged write FOnDraggableRegionsChanged;
// ICefFindHandler
property OnFindResult : TOnFindResult read FOnFindResult write FOnFindResult;
end;
implementation
uses
System.SysUtils, System.Math,
uCEFBrowser, uCEFValue, uCEFDictionaryValue, uCEFStringMultimap, uCEFCookieManager, uCEFFrame,
uCEFApplication;
constructor TChromium.Create(AOwner: TComponent);
begin
FBrowser := nil;
FBrowserId := 0;
FCompHandle := 0;
FClosing := False;
FInitialized := False;
FIsOSR := False;
FDefaultUrl := 'about:blank';
FClientHandler := nil;
FHandler := nil;
FOptions := nil;
FFontOptions := nil;
FDefaultEncoding := '';
FVisitor := nil;
FPDFPrintcb := nil;
FCookiDeletercb := nil;
FDOMVisitor := nil;
FPDFPrintOptions := nil;
FPrefs := nil;
FUpdatePreferences := False;
FGetPreferences := False;
FCustomHeaderName := '';
FCustomHeaderValue := '';
FAddCustomHeader := False;
FDoNotTrack := True;
FSendReferrer := True;
FHyperlinkAuditing := False;
FCookiePrefs := CEF_CONTENT_SETTING_ALLOW;
FImagesPrefs := CEF_CONTENT_SETTING_ALLOW;
FZoomStep := ZOOM_STEP_DEF;
FWindowName := '';
FProxyType := CEF_PROXYTYPE_DIRECT;
FProxyServer := '';
FProxyPort := 80;
FProxyUsername := '';
FProxyPassword := '';
FProxyScriptURL := '';
FProxyByPassList := '';
InitializeEvents;
inherited Create(AOwner);
end;
destructor TChromium.Destroy;
begin
try
try
FBrowser := nil;
FBrowserId := 0;
if (FCompHandle <> 0) then
begin
DeallocateHWnd(FCompHandle);
FCompHandle := 0;
end;
if (FHandler <> nil) then
begin
(FHandler as ICefClientHandler).Disconnect;
FHandler := nil;
end;
if (FClientHandler <> nil) then
begin
FClientHandler.Disconnect;
FClientHandler.ReleaseOtherInstances;
FClientHandler := nil;
end;
FVisitor := nil;
FPDFPrintcb := nil;
FCookiDeletercb := nil;
FDOMVisitor := nil;
if (FFontOptions <> nil) then FreeAndNil(FFontOptions);
if (FOptions <> nil) then FreeAndNil(FOptions);
if (FPDFPrintOptions <> nil) then FreeAndNil(FPDFPrintOptions);
if (FPrefs <> nil) then FreeAndNil(FPrefs);
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.Destroy error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
finally
inherited Destroy;
end;
end;
procedure TChromium.AfterConstruction;
begin
inherited AfterConstruction;
try
if not(csDesigning in ComponentState) then
begin
FCompHandle := AllocateHWnd(WndProc);
FOptions := TChromiumOptions.Create;
FFontOptions := TChromiumFontOptions.Create;
FPDFPrintOptions := TPDFPrintOptions.Create;
FPrefs := TStringList.Create;
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.AfterConstruction error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
function TChromium.CreateClientHandler(aIsOSR : boolean) : boolean;
begin
Result := False;
try
if (FHandler = nil) then
begin
FIsOSR := aIsOsr;
FClientHandler := TVCLClientHandler.Create(Self, FIsOSR);
FHandler := FClientHandler as ICefClient;
Result := (FHandler <> nil);
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.CreateClientHandler error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
procedure TChromium.InitializeEvents;
begin
// ICefClient
FOnProcessMessageReceived := nil;
// ICefLoadHandler
FOnLoadStart := nil;
FOnLoadEnd := nil;
FOnLoadError := nil;
FOnLoadingStateChange := nil;
// ICefFocusHandler
FOnTakeFocus := nil;
FOnSetFocus := nil;
FOnGotFocus := nil;
// ICefContextMenuHandler
FOnBeforeContextMenu := 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;
// ICefDownloadHandler
FOnBeforeDownload := nil;
FOnDownloadUpdated := nil;
// ICefGeolocationHandler
FOnRequestGeolocationPermission := nil;
FOnCancelGeolocationPermission := nil;
// ICefJsDialogHandler
FOnJsdialog := nil;
FOnBeforeUnloadDialog := nil;
FOnResetDialogState := nil;
FOnDialogClosed := nil;
// ICefLifeSpanHandler
FOnBeforePopup := nil;
FOnAfterCreated := nil;
FOnBeforeClose := nil;
FOnClose := nil;
// ICefRequestHandler
FOnBeforeBrowse := nil;
FOnOpenUrlFromTab := nil;
FOnBeforeResourceLoad := nil;
FOnGetResourceHandler := nil;
FOnResourceRedirect := nil;
FOnResourceResponse := nil;
FOnGetResourceResponseFilter := nil;
FOnResourceLoadComplete := nil;
FOnGetAuthCredentials := nil;
FOnQuotaRequest := nil;
FOnProtocolExecution := nil;
FOnCertificateError := nil;
FOnSelectClientCertificate := nil;
FOnPluginCrashed := nil;
FOnRenderViewReady := nil;
FOnRenderProcessTerminated := nil;
// ICefDialogHandler
FOnFileDialog := nil;
// ICefRenderHandler
FOnGetRootScreenRect := nil;
FOnGetViewRect := nil;
FOnGetScreenPoint := nil;
FOnGetScreenInfo := nil;
FOnPopupShow := nil;
FOnPopupSize := nil;
FOnPaint := nil;
FOnCursorChange := nil;
FOnStartDragging := nil;
FOnUpdateDragCursor := nil;
FOnScrollOffsetChanged := nil;
FOnIMECompositionRangeChanged := nil;
// ICefDragHandler
FOnDragEnter := nil;
FOnDraggableRegionsChanged := nil;
// ICefFindHandler
FOnFindResult := nil;
// Custom
FOnTextResultAvailable := nil;
FOnPdfPrintFinished := nil;
FOnPrefsAvailable := nil;
FOnCookiesDeleted := nil;
FOnDocumentAvailable := nil;
end;
function TChromium.CreateBrowser(const aBrowserParent : TWinControl; const aWindowName : string) : boolean;
var
TempInfo : TCefWindowInfo;
TempSettings : TCefBrowserSettings;
begin
Result := False;
try
if not(csDesigning in ComponentState) and
(FBrowser = nil) and
(FBrowserId = 0) and
CreateClientHandler(aBrowserParent = nil) then
begin
GetSettings(TempSettings);
if FIsOSR then
WindowInfoAsWindowless(TempInfo, FCompHandle, False, aWindowName)
else
WindowInfoAsChild(TempInfo, aBrowserParent.Handle, aBrowserParent.ClientRect, aWindowName);
if MultithreadApp then
Result := CreateBrowserHost(@TempInfo, FHandler, FDefaultUrl, @TempSettings, nil)
else
begin
FBrowser := CreateBrowserHostSync(@TempInfo, FHandler, FDefaultUrl, @TempSettings, nil);
if (FBrowser <> nil) then
begin
FBrowserId := FBrowser.Identifier;
Result := True;
end;
end;
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.CreateBrowser error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
procedure TChromium.CloseBrowser(aForceClose : boolean);
begin
if Initialized then FBrowser.Host.CloseBrowser(aForceClose);
end;
function TChromium.CreateBrowserHost(aWindowInfo : PCefWindowInfo;
const aClient : ICefClient;
const aURL : ustring;
const aSettings : PCefBrowserSettings;
const aContext : ICefRequestContext): Boolean;
var
TempURL : TCefString;
begin
TempURL := CefString(aURL);
Result := cef_browser_host_create_browser(aWindowInfo, CefGetData(aClient), @TempURL, aSettings, CefGetData(aContext)) <> 0;
end;
function TChromium.CreateBrowserHostSync(aWindowInfo : PCefWindowInfo;
const aClient : ICefClient;
const aURL : ustring;
const aSettings : PCefBrowserSettings;
const aContext : ICefRequestContext): ICefBrowser;
var
TempURL : TCefString;
TempBrowser : PCefBrowser;
begin
TempURL := CefString(aURL);
TempBrowser := cef_browser_host_create_browser_sync(aWindowInfo, CefGetData(aClient), @TempURL, aSettings, CefGetData(aContext));
Result := TCefBrowserRef.UnWrap(TempBrowser);
end;
procedure TChromium.Find(aIdentifier : integer; const aSearchText : ustring; aForward, aMatchCase, aFindNext : Boolean);
begin
if Initialized then FBrowser.Host.Find(aIdentifier, aSearchText, aForward, aMatchCase, aFindNext);
end;
procedure TChromium.StopFinding(aClearSelection : Boolean);
begin
if Initialized then FBrowser.Host.StopFinding(aClearSelection);
end;
procedure TChromium.Print;
begin
if Initialized then FBrowser.Host.Print;
end;
procedure TChromium.PrintToPDF(const aFilePath, aTitle, aURL : ustring);
var
TempSettings : TCefPdfPrintSettings;
begin
if Initialized then
begin
GetPrintPDFSettings(TempSettings, aTitle, aURL);
if (FPDFPrintcb = nil) then FPDFPrintcb := TCefPDFPrintCallBack.Create(self);
FBrowser.Host.PrintToPdf(aFilePath, @TempSettings, FPDFPrintcb);
end;
end;
procedure TChromium.VisitDOM;
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
if (FDOMVisitor = nil) then FDOMVisitor := TCustomDomVisitor.Create(self);
TempFrame.VisitDom(FDOMVisitor);
end;
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.VisitDOM error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
procedure TChromium.ClipboardCopy;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Copy;
end;
end;
procedure TChromium.ClipboardPaste;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Paste;
end;
end;
procedure TChromium.ClipboardCut;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Cut;
end;
end;
procedure TChromium.ClipboardUndo;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Undo;
end;
end;
procedure TChromium.ClipboardRedo;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Redo;
end;
end;
procedure TChromium.ClipboardDel;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Del;
end;
end;
procedure TChromium.SelectAll;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.SelectAll;
end;
end;
procedure TChromium.GetPrintPDFSettings(var aSettings : TCefPdfPrintSettings; const aTitle, aURL : string);
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.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 := FPDFPrintOptions.header_footer_enabled;
aSettings.selection_only := FPDFPrintOptions.selection_only;
aSettings.landscape := FPDFPrintOptions.landscape;
aSettings.backgrounds_enabled := FPDFPrintOptions.backgrounds_enabled;
end;
end;
procedure TChromium.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_open_windows := FOptions.JavascriptOpenWindows;
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 TChromium.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_open_windows := 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;
procedure TChromium.LoadURL(const aURL : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadUrl(aURL);
end;
end;
procedure TChromium.LoadString(const aString : ustring; const aURL : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadString(aString, aURL);
end;
end;
procedure TChromium.GoBack;
begin
if Initialized and CanGoBack then FBrowser.GoBack;
end;
procedure TChromium.GoForward;
begin
if Initialized and CanGoForward then FBrowser.GoForward;
end;
procedure TChromium.Reload;
begin
if Initialized then FBrowser.Reload;
end;
procedure TChromium.ReloadIgnoreCache;
begin
if Initialized then FBrowser.ReloadIgnoreCache;
end;
procedure TChromium.StopLoad;
begin
if Initialized then FBrowser.StopLoad;
end;
procedure TChromium.StartDownload(const aURL : ustring);
begin
if Initialized then FBrowser.Host.StartDownload(aURL);
end;
function TChromium.GetIsLoading : boolean;
begin
Result := Initialized and FBrowser.IsLoading;
end;
function TChromium.GetMultithreadApp : boolean;
begin
Result := True;
try
if (GlobalCEFApp <> nil) then Result := GlobalCEFApp.MultiThreadedMessageLoop;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.GetMultithreadApp error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
function TChromium.GetHasDocument : boolean;
begin
Result := Initialized and FBrowser.HasDocument;
end;
function TChromium.GetHasView : boolean;
begin
Result := Initialized and FBrowser.Host.HasView;
end;
function TChromium.GetHasDevTools : boolean;
begin
Result := Initialized and FBrowser.Host.HasDevTools;
end;
function TChromium.GetWindowHandle : THandle;
begin
if Initialized then
Result := FBrowser.Host.WindowHandle
else
Result := 0;
end;
function TChromium.GetFrameIsFocused : boolean;
begin
Result := Initialized and (FBrowser.FocusedFrame <> nil);
end;
function TChromium.GetWindowlessFrameRate : integer;
begin
if Initialized then
Result := FBrowser.Host.GetWindowlessFrameRate
else
Result := 0;
end;
function TChromium.GetVisibleNavigationEntry : ICefNavigationEntry;
begin
if Initialized then
Result := FBrowser.Host.VisibleNavigationEntry
else
Result := nil;
end;
function TChromium.GetHasValidMainFrame : boolean;
begin
Result := Initialized and (FBrowser.MainFrame <> nil) and FBrowser.MainFrame.IsValid;
end;
procedure TChromium.SetWindowlessFrameRate(aValue : integer);
begin
if Initialized then FBrowser.Host.SetWindowlessFrameRate(aValue);
end;
function TChromium.GetCanGoBack : boolean;
begin
Result := Initialized and FBrowser.CanGoBack;
end;
function TChromium.GetCanGoForward : boolean;
begin
Result := Initialized and FBrowser.CanGoForward;
end;
function TChromium.GetIsPopUp : boolean;
begin
Result := Initialized and FBrowser.IsPopUp;
end;
function TChromium.GetInitialized : boolean;
begin
Result := FInitialized and not(FClosing) and (FBrowser <> nil);
end;
function TChromium.GetDocumentURL : string;
var
TempFrame : ICefFrame;
begin
Result := '';
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then Result := TempFrame.URL;
end;
end;
function TChromium.GetZoomLevel : double;
begin
Result := 0;
if Initialized then Result := FBrowser.Host.ZoomLevel;
end;
procedure TChromium.SetZoomLevel(const aValue : double);
begin
if Initialized then FBrowser.Host.ZoomLevel := aValue;
end;
function TChromium.GetZoomPct : double;
begin
Result := power(1.2, ZoomLevel) * 100;
end;
procedure TChromium.SetZoomPct(const aValue : double);
begin
if Initialized and (aValue > 0) then ZoomLevel := LogN(1.2, aValue / 100);
end;
procedure TChromium.ApplyZoomStep;
begin
case FZoomStep of
ZOOM_STEP_25 : ZoomPct := 25;
ZOOM_STEP_33 : ZoomPct := 33;
ZOOM_STEP_50 : ZoomPct := 50;
ZOOM_STEP_67 : ZoomPct := 67;
ZOOM_STEP_75 : ZoomPct := 75;
ZOOM_STEP_90 : ZoomPct := 90;
ZOOM_STEP_100 : ZoomPct := 100;
ZOOM_STEP_110 : ZoomPct := 110;
ZOOM_STEP_125 : ZoomPct := 125;
ZOOM_STEP_150 : ZoomPct := 150;
ZOOM_STEP_175 : ZoomPct := 175;
ZOOM_STEP_200 : ZoomPct := 200;
ZOOM_STEP_250 : ZoomPct := 250;
ZOOM_STEP_300 : ZoomPct := 300;
ZOOM_STEP_400 : ZoomPct := 400;
ZOOM_STEP_500 : ZoomPct := 500;
end;
end;
procedure TChromium.SetZoomStep(aValue : byte);
begin
if Initialized and (aValue in [ZOOM_STEP_MIN..ZOOM_STEP_MAX]) then
begin
FZoomStep := aValue;
ApplyZoomStep;
end;
end;
procedure TChromium.IncZoomStep;
begin
if Initialized and (FZoomStep < ZOOM_STEP_MAX) then
begin
inc(FZoomStep);
ApplyZoomStep;
end;
end;
procedure TChromium.DecZoomStep;
begin
if Initialized and (FZoomStep > ZOOM_STEP_MIN) then
begin
dec(FZoomStep);
ApplyZoomStep;
end;
end;
procedure TChromium.ResetZoomStep;
begin
ZoomStep := ZOOM_STEP_DEF;
end;
procedure TChromium.SetDoNotTrack(aValue : boolean);
begin
if (FDoNotTrack <> aValue) then
begin
FDoNotTrack := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetSendReferrer(aValue : boolean);
begin
if (FSendReferrer <> aValue) then
begin
FSendReferrer := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetHyperlinkAuditing(aValue : boolean);
begin
if (FHyperlinkAuditing <> aValue) then
begin
FHyperlinkAuditing := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetCookiePrefs(aValue : integer);
begin
if (FCookiePrefs <> aValue) then
begin
FCookiePrefs := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetImagesPrefs(aValue : integer);
begin
if (FImagesPrefs <> aValue) then
begin
FImagesPrefs := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyType(aValue : integer);
begin
if (FProxyType <> aValue) then
begin
FProxyType := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyServer(const aValue : string);
begin
if (FProxyServer <> aValue) then
begin
FProxyServer := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyPort(aValue : integer);
begin
if (FProxyPort <> aValue) then
begin
FProxyPort := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyUsername(const aValue : string);
begin
if (FProxyUsername <> aValue) then
begin
FProxyUsername := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyPassword(const aValue : string);
begin
if (FProxyPassword <> aValue) then
begin
FProxyPassword := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyScriptURL(const aValue : string);
begin
if (FProxyScriptURL <> aValue) then
begin
FProxyScriptURL := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyByPassList(const aValue : string);
begin
if (FProxyByPassList <> aValue) then
begin
FProxyByPassList := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetCustomHeaderName(const aValue : string);
begin
if (FCustomHeaderName <> aValue) then
begin
FCustomHeaderName := aValue;
FAddCustomHeader := (length(FCustomHeaderName) > 0) and (length(FCustomHeaderValue) > 0);
end;
end;
procedure TChromium.SetCustomHeaderValue(const aValue : string);
begin
if (FCustomHeaderValue <> aValue) then
begin
FCustomHeaderValue := aValue;
FAddCustomHeader := (length(FCustomHeaderName) > 0) and (length(FCustomHeaderValue) > 0);
end;
end;
procedure TChromium.SetCMStoragePath(const aValue : ustring);
var
CookieManager : ICefCookieManager;
begin
FCMStoragePath := aValue;
CookieManager := TCefCookieManagerRef.Global(nil);
if (CookieManager <> nil) then
CookieManager.SetStoragePath(FCMStoragePath, False, nil);
end;
procedure TChromium.GetHTML;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
if (FVisitor = nil) then FVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetSource(FVisitor);
end;
end;
end;
procedure TChromium.DeleteCookies;
var
TempTask: ICefTask;
begin
if Initialized then
begin
if (FCookiDeletercb = nil) then FCookiDeletercb := TCefCustomDeleteCookiesCallback.Create(self);
TempTask := TCefDeleteCookiesTask.Create(FCookiDeletercb);
CefPostTask(TID_IO, TempTask);
end;
end;
procedure TChromium.RetrieveDOMDocument;
var
TempTask: ICefTask;
begin
if Initialized then
begin
TempTask := TCefGetDocumentTask.Create(self);
CefPostTask(TID_RENDERER, TempTask);
end;
end;
procedure TChromium.RetrieveHTML;
var
TempTask: ICefTask;
begin
if Initialized then
begin
TempTask := TCefGetHTMLTask.Create(self);
CefPostTask(TID_UI, TempTask);
end;
end;
procedure TChromium.SimulateMouseWheel(aDeltaX, aDeltaY : integer);
var
TempEvent : TCefMouseEvent;
begin
if Initialized then
begin
TempEvent.x := 0;
TempEvent.y := 0;
TempEvent.modifiers := [];
FBrowser.Host.SendMouseWheelEvent(@TempEvent, aDeltaX, aDeltaY);
end;
end;
procedure TChromium.UpdateAllPreferences;
begin
UpdateProxyPrefs;
UpdatePreference('enable_do_not_track', FDoNotTrack);
UpdatePreference('enable_referrers', FSendReferrer);
UpdatePreference('enable_a_ping', FHyperlinkAuditing);
end;
function TChromium.UpdateProxyPrefs : boolean;
var
TempError : ustring;
TempProxy : ICefValue;
TempValue : ICefValue;
TempDict : ICefDictionaryValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.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);
TempDict.SetString('server', FProxyServer + ':' + inttostr(FProxyPort));
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
FBrowser.Host.RequestContext.SetPreference('proxy', TempProxy, TempError);
{$IFDEF DEBUG}
if not(Result) then OutputDebugString(PWideChar('UpdateProxyPrefs error : ' + quotedstr(TempError) + chr(0)));
{$ENDIF}
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.UpdateProxyPrefs error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
function TChromium.UpdatePreference(const aName : string; aValue : boolean) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
if aValue then
TempValue.SetBool(1)
else
TempValue.SetBool(0);
Result := FBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
{$IFDEF DEBUG}
if not(Result) then OutputDebugString(PWideChar('UpdatePreference error : ' + quotedstr(TempError) + chr(0)));
{$ENDIF}
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.UpdatePreference error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
function TChromium.UpdatePreference(const aName : string; aValue : integer) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetInt(aValue);
Result := FBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
{$IFDEF DEBUG}
if not(Result) then OutputDebugString(PWideChar('UpdatePreference error : ' + quotedstr(TempError) + chr(0)));
{$ENDIF}
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.UpdatePreference error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
function TChromium.UpdatePreference(const aName : string; const aValue : double) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetDouble(aValue);
Result := FBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
{$IFDEF DEBUG}
if not(Result) then OutputDebugString(PWideChar('UpdatePreference error : ' + quotedstr(TempError) + chr(0)));
{$ENDIF}
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.UpdatePreference error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
function TChromium.UpdatePreference(const aName, aValue : string) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetString(aValue);
Result := FBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
{$IFDEF DEBUG}
if not(Result) then OutputDebugString(PWideChar('UpdatePreference error : ' + quotedstr(TempError) + chr(0)));
{$ENDIF}
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.UpdatePreference error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
procedure TChromium.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 TChromium.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 TChromium.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 TChromium.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 TChromium.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 TChromium.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 TChromium.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(aValue.GetBool, true) + ',';
VTYPE_INT : TempResult := TempResult + IntToStr(aValue.GetInt) + ',';
VTYPE_DOUBLE : TempResult := TempResult + FloatToStr(aValue.GetDouble) + ',';
VTYPE_STRING : TempResult := TempResult + aValue.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 TChromium.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 TChromium.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
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.HandleDictionary error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
finally
if (TempKeys <> nil) then TempKeys.Free;
end;
end;
function TChromium.GetAllPreferences : boolean;
var
TempDict : ICefDictionaryValue;
begin
Result := False;
try
if (FBrowser <> nil) and (FPrefs <> nil) then
begin
FPrefs.Clear;
TempDict := FBrowser.Host.RequestContext.GetAllPreferences(True);
HandleDictionary(TempDict, FPrefs, '');
Result := SendCompMessage(CEF_PREFERENCES_AVAILABLE);
end;
except
on e : exception do
begin
{$IFDEF DEBUG}
OutputDebugString(PWideChar('TChromium.GetAllPreferences error: ' + e.Message + chr(0)));
{$ENDIF}
end;
end;
end;
procedure TChromium.PrefsAvailableMsg(var aMessage : TMessage);
begin
if (FPrefs <> nil) and assigned(FOnPrefsAvailable) then FOnPrefsAvailable(self, FPrefs.Text);
end;
function TChromium.SendCompMessage(aMsg : cardinal; wParam : cardinal; lParam : integer) : boolean;
begin
Result := (FCompHandle <> 0) and PostMessage(FCompHandle, aMsg, wParam, lParam);
end;
procedure TChromium.TextResultAvailable(const aText : string);
begin
if assigned(FOnTextResultAvailable) then FOnTextResultAvailable(self, aText);
end;
procedure TChromium.CookiesDeleted(numDeleted : integer);
begin
if assigned(FOnCookiesDeleted) then FOnCookiesDeleted(self, numDeleted);
end;
procedure TChromium.DOMVisitorVisit(const document: ICefDomDocument);
begin
if assigned(FOnDocumentAvailable) then FOnDocumentAvailable(self, document);
end;
procedure TChromium.PdfPrintFinished(aResultOK : boolean);
begin
if assigned(FOnPdfPrintFinished) then FOnPdfPrintFinished(self, aResultOK);
end;
procedure TChromium.ShowDevTools(inspectElementAt: TPoint; const aDevTools : TWinControl);
var
TempInfo : TCefWindowInfo;
TempSettings : TCefBrowserSettings;
TempPoint : TCefPoint;
TempPPoint : PCefPoint;
begin
if not(Initialized) or HasDevTools then Exit;
InitializeSettings(TempSettings);
if (aDevTools <> nil) then
WindowInfoAsChild(TempInfo, aDevTools.Handle, aDevTools.ClientRect, aDevTools.Name)
else
WindowInfoAsPopUp(TempInfo, WindowHandle, DEVTOOLS_WINDOWNAME);
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;
FBrowser.Host.ShowDevTools(@TempInfo, TCefClientOwn.Create as ICefClient, @TempSettings, TempPPoint);
end;
procedure TChromium.CloseDevTools(const aDevTools : TWinControl);
begin
if Initialized then
begin
if (aDevTools <> nil) then WinApi.Windows.SetParent(GetWindow(aDevTools.Handle, GW_CHILD), 0);
if (FBrowser <> nil) then FBrowser.Host.CloseDevTools;
end;
end;
procedure TChromium.WndProc(var aMessage: TMessage);
begin
case aMessage.Msg of
CEF_PREFERENCES_AVAILABLE : PrefsAvailableMsg(aMessage);
else aMessage.Result := DefWindowProc(FCompHandle, aMessage.Msg, aMessage.WParam, aMessage.LParam);
end;
end;
function TChromium.doOnClose(const browser: ICefBrowser): Boolean;
begin
Result := False;
if Assigned(FOnClose) then FOnClose(Self, browser, Result);
FClosing := True;
end;
procedure TChromium.doOnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring);
begin
if Assigned(FOnAddressChange) then FOnAddressChange(Self, browser, frame, url);
end;
procedure TChromium.doOnAfterCreated(const browser: ICefBrowser);
begin
if MultithreadApp and (FBrowser = nil) then
begin
FBrowser := browser;
if (FBrowser <> nil) then FBrowserId := FBrowser.Identifier;
end;
UpdateAllPreferences;
FInitialized := (FBrowser <> nil) and (FBrowserId <> 0);
if Assigned(FOnAfterCreated) then FOnAfterCreated(Self, browser);
end;
function TChromium.doOnBeforeBrowse(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
isRedirect : Boolean): Boolean;
begin
Result := False;
if FUpdatePreferences then
begin
FUpdatePreferences := False;
UpdateAllPreferences;
end;
if FGetPreferences then
begin
FGetPreferences := False;
GetAllPreferences;
end;
if Assigned(FOnBeforeBrowse) then FOnBeforeBrowse(Self, browser, frame, request, isRedirect, Result);
end;
procedure TChromium.doOnBeforeClose(const browser: ICefBrowser);
begin
FInitialized := False;
FBrowser := nil;
FBrowserId := 0;
if Assigned(FOnBeforeClose) then FOnBeforeClose(Self, browser);
end;
procedure TChromium.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;
procedure TChromium.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 TChromium.doOnBeforePopup(const browser : ICefBrowser;
const frame : ICefFrame;
const targetUrl : ustring;
const targetFrameName : ustring;
targetDisposition : TCefWindowOpenDisposition;
userGesture : Boolean;
var popupFeatures : TCefPopupFeatures;
var windowInfo : TCefWindowInfo;
var client : ICefClient;
var settings : TCefBrowserSettings;
var noJavascriptAccess : Boolean): Boolean;
begin
Result := False;
if Assigned(FOnBeforePopup) then
FOnBeforePopup(Self, browser, frame, targetUrl, targetFrameName,
targetDisposition, userGesture, popupFeatures, windowInfo, client,
settings, noJavascriptAccess, Result);
end;
function TChromium.doOnBeforeResourceLoad(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const callback : ICefRequestCallback): TCefReturnValue;
var
TempHeaderMap : ICefStringMultimap;
begin
if FAddCustomHeader then
begin
TempHeaderMap := TCefStringMultimapOwn.Create;
request.GetHeaderMap(TempHeaderMap);
TempHeaderMap.Append(FCustomHeaderName, FCustomHeaderValue);
request.SetHeaderMap(TempHeaderMap);
TempHeaderMap := nil;
end;
if not(FSendReferrer) then request.SetReferrer('', REFERRER_POLICY_NEVER);
Result := RV_CONTINUE;
if Assigned(FOnBeforeResourceLoad) then FOnBeforeResourceLoad(Self, browser, frame, request, callback, Result);
end;
function TChromium.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;
procedure TChromium.doOnCancelGeolocationPermission(const browser : ICefBrowser; requestId : Integer);
begin
if Assigned(FOnCancelGeolocationPermission) then
FOnCancelGeolocationPermission(Self, browser, requestId);
end;
function TChromium.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 TChromium.doOnConsoleMessage(const browser : ICefBrowser;
const aMessage : ustring;
const source : ustring;
line : Integer): Boolean;
begin
Result := False;
if Assigned(FOnConsoleMessage) then FOnConsoleMessage(Self, browser, aMessage, source, line, Result);
end;
function TChromium.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 TChromium.doOnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame);
begin
if Assigned(FOnContextMenuDismissed) then FOnContextMenuDismissed(Self, browser, frame);
end;
procedure TChromium.doOnCursorChange(const browser : ICefBrowser;
cursor : TCefCursorHandle;
cursorType : TCefCursorType;
const customCursorInfo : PCefCursorInfo);
begin
if assigned(FOnCursorChange) then FOnCursorChange(self, browser, cursor, cursorType, customCursorInfo);
end;
procedure TChromium.doOnDialogClosed(const browser: ICefBrowser);
begin
if Assigned(FOnDialogClosed) then FOnDialogClosed(Self, browser);
end;
procedure TChromium.doOnDownloadUpdated(const browser : ICefBrowser;
const downloadItem : ICefDownloadItem;
const callback : ICefDownloadItemCallback);
begin
if Assigned(FOnDownloadUpdated) then FOnDownloadUpdated(Self, browser, downloadItem, callback);
end;
function TChromium.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 TChromium.doOnDraggableRegionsChanged(const browser : ICefBrowser;
regionsCount : NativeUInt;
regions : PCefDraggableRegionArray);
begin
if Assigned(FOnDraggableRegionsChanged) then FOnDraggableRegionsChanged(Self, browser, regionsCount, regions);
end;
procedure TChromium.doOnFaviconUrlChange(const browser: ICefBrowser; iconUrls: TStrings);
begin
if Assigned(FOnFavIconUrlChange) then FOnFavIconUrlChange(Self, browser, iconUrls);
end;
function TChromium.doOnFileDialog(const browser : ICefBrowser;
mode : TCefFileDialogMode;
const title : ustring;
const defaultFilePath : ustring;
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 TChromium.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 TChromium.doOnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean);
begin
if Assigned(FOnFullScreenModeChange) then FOnFullScreenModeChange(Self, browser, fullscreen);
end;
function TChromium.doOnGetAuthCredentials(const browser : ICefBrowser;
const frame : ICefFrame;
isProxy : Boolean;
const host : ustring;
port : Integer;
const realm : ustring;
const scheme : ustring;
const callback : ICefAuthCallback): Boolean;
begin
Result := False;
if isProxy then
begin
if (FProxyType = CEF_PROXYTYPE_FIXED_SERVERS) and (callback <> nil) then
begin
Result := True;
callback.cont(FProxyUsername, FProxyPassword);
end;
end
else
if (frame <> nil) and frame.IsMain and Assigned(FOnGetAuthCredentials) then
FOnGetAuthCredentials(Self, browser, frame, isProxy, host, port, realm, scheme, callback, Result);
end;
function TChromium.doOnGetResourceHandler(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest): ICefResourceHandler;
begin
Result := nil;
if Assigned(FOnGetResourceHandler) then
FOnGetResourceHandler(Self, browser, frame, request, Result);
end;
function TChromium.doOnGetRootScreenRect(const browser: ICefBrowser; rect: PCefRect): Boolean;
begin
Result := False;
if Assigned(FOnGetRootScreenRect) then FOnGetRootScreenRect(Self, browser, rect, Result);
end;
function TChromium.doOnGetScreenInfo(const browser: ICefBrowser; screenInfo: PCefScreenInfo): Boolean;
begin
Result := False;
if Assigned(FOnGetScreenInfo) then FOnGetScreenInfo(Self, browser, screenInfo, Result);
end;
function TChromium.doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer; screenX, screenY: PInteger): Boolean;
begin
Result := False;
if Assigned(FOnGetScreenPoint) then FOnGetScreenPoint(Self, browser, viewX, viewY, screenX, screenY, Result);
end;
function TChromium.doOnGetViewRect(const browser: ICefBrowser; rect: PCefRect): Boolean;
begin
Result := False;
if Assigned(FOnGetViewRect) then FOnGetViewRect(Self, browser, rect, Result);
end;
procedure TChromium.doOnGotFocus(const browser: ICefBrowser);
begin
if Assigned(FOnGotFocus) then FOnGotFocus(Self, browser)
end;
function TChromium.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
if Assigned(FOnJsdialog) then
FOnJsdialog(Self, browser, originUrl, dialogType, messageText,
defaultPromptText, callback, suppressMessage, Result);
end;
function TChromium.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 TChromium.doOnLoadEnd(const browser : ICefBrowser;
const frame : ICefFrame;
httpStatusCode : Integer);
begin
if Assigned(FOnLoadEnd) then FOnLoadEnd(Self, browser, frame, httpStatusCode);
end;
procedure TChromium.doOnLoadError(const browser : ICefBrowser;
const frame : ICefFrame;
errorCode : Integer;
const errorText : ustring;
const failedUrl : ustring);
begin
if Assigned(FOnLoadError) then FOnLoadError(Self, browser, frame, errorCode, errorText, failedUrl);
end;
procedure TChromium.doOnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
begin
if Assigned(FOnLoadingStateChange) then FOnLoadingStateChange(Self, browser, isLoading, canGoBack, canGoForward);
end;
procedure TChromium.doOnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType);
begin
if Assigned(FOnLoadStart) then FOnLoadStart(Self, browser, frame, transitionType);
end;
function TChromium.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 TChromium.doOnPaint(const browser : ICefBrowser;
kind : TCefPaintElementType;
dirtyRectsCount : NativeUInt;
const dirtyRects : PCefRectArray;
const buffer : Pointer;
width : Integer;
height : Integer);
begin
if Assigned(FOnPaint) then FOnPaint(Self, browser, kind, dirtyRectsCount, dirtyRects, buffer, width, height);
end;
function TChromium.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 TChromium.doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring);
begin
if Assigned(FOnPluginCrashed) then FOnPluginCrashed(Self, browser, pluginPath);
end;
procedure TChromium.doOnPopupShow(const browser: ICefBrowser; show: Boolean);
begin
if assigned(FOnPopupShow) then FOnPopupShow(self, browser, show);
end;
procedure TChromium.doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect);
begin
if assigned(FOnPopupSize) then FOnPopupSize(self, browser, rect);
end;
function TChromium.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 TChromium.doOnProcessMessageReceived(const browser : ICefBrowser;
sourceProcess : TCefProcessId;
const aMessage : ICefProcessMessage): Boolean;
begin
Result := False;
if Assigned(FOnProcessMessageReceived) then
FOnProcessMessageReceived(Self, browser, sourceProcess, aMessage, Result);
end;
procedure TChromium.doOnProtocolExecution(const browser : ICefBrowser;
const url : ustring;
out allowOsExecution : Boolean);
begin
if Assigned(FOnProtocolExecution) then FOnProtocolExecution(Self, browser, url, allowOsExecution);
end;
function TChromium.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 TChromium.doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus);
begin
if Assigned(FOnRenderProcessTerminated) then FOnRenderProcessTerminated(Self, browser, status);
end;
procedure TChromium.doOnRenderViewReady(const browser: ICefBrowser);
begin
if Assigned(FOnRenderViewReady) then FOnRenderViewReady(Self, browser);
end;
function TChromium.doOnRequestGeolocationPermission(const browser : ICefBrowser;
const requestingUrl : ustring;
requestId : Integer;
const callback : ICefGeolocationCallback): Boolean;
begin
Result := False;
if Assigned(FOnRequestGeolocationPermission) then
FOnRequestGeolocationPermission(Self, browser, requestingUrl, requestId, callback, Result);
end;
procedure TChromium.doOnResetDialogState(const browser: ICefBrowser);
begin
if Assigned(FOnResetDialogState) then FOnResetDialogState(Self, browser);
end;
procedure TChromium.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 TChromium.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;
function TChromium.doOnGetResourceResponseFilter(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse) : ICefResponseFilter;
begin
Result := nil;
if Assigned(FOnGetResourceResponseFilter) then
FOnGetResourceResponseFilter(self, browser, frame, request, response, Result);
end;
procedure TChromium.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 TChromium.doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double);
begin
if Assigned(FOnScrollOffsetChanged) then FOnScrollOffsetChanged(Self, browser, x, y);
end;
procedure TChromium.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;
function TChromium.doOnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean;
begin
Result := False;
if Assigned(FOnSetFocus) then FOnSetFocus(Self, browser, source, Result);
end;
function TChromium.doOnStartDragging(const browser : ICefBrowser;
const dragData : ICefDragData;
allowedOps : TCefDragOperations;
x : integer;
y : Integer): Boolean;
begin
Result := False;
if Assigned(FOnStartDragging) then FOnStartDragging(Self, browser, dragData, allowedOps, x, y, Result);
end;
procedure TChromium.doOnStatusMessage(const browser: ICefBrowser; const value: ustring);
begin
if Assigned(FOnStatusMessage) then FOnStatusMessage(Self, browser, value);
end;
procedure TChromium.doOnTakeFocus(const browser: ICefBrowser; next: Boolean);
begin
if Assigned(FOnTakeFocus) then FOnTakeFocus(Self, browser, next);
end;
procedure TChromium.doOnTitleChange(const browser: ICefBrowser; const title: ustring);
begin
if Assigned(FOnTitleChange) then FOnTitleChange(Self, browser, title);
end;
function TChromium.doOnTooltip(const browser: ICefBrowser; var text: ustring): Boolean;
begin
Result := False;
if Assigned(FOnTooltip) then FOnTooltip(Self, browser, text, Result);
end;
procedure TChromium.doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation);
begin
if Assigned(FOnUpdateDragCursor) then FOnUpdateDragCursor(Self, browser, operation);
end;
function TChromium.GetParentForm : TCustomForm;
var
TempComp : TComponent;
begin
Result := nil;
TempComp := Owner;
while (TempComp <> nil) do
if (TempComp is TCustomForm) then
begin
Result := TCustomForm(TempComp);
exit;
end
else
TempComp := TempComp.owner;
end;
procedure TChromium.MoveFormTo(const x, y: Integer);
var
TempForm : TCustomForm;
TempRect : TRect;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempRect.Left := min(max(x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
TempRect.Top := min(max(y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
TempRect.Width := TempForm.Width;
TempRect.Height := TempForm.Height;
TempForm.SetBounds(TempRect.Left, TempRect.Top, TempRect.Width, TempRect.Height);
end;
end;
procedure TChromium.MoveFormBy(const x, y: Integer);
var
TempForm : TCustomForm;
TempRect : TRect;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempRect.Left := min(max(TempForm.Left + x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
TempRect.Top := min(max(TempForm.Top + y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
TempRect.Width := TempForm.Width;
TempRect.Height := TempForm.Height;
TempForm.SetBounds(TempRect.Left, TempRect.Top, TempRect.Width, TempRect.Height);
end;
end;
procedure TChromium.ResizeFormWidthTo(const x : Integer);
var
TempForm : TCustomForm;
TempX, TempDeltaX : integer;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempX := max(x, 100);
TempDeltaX := TempForm.Width - TempForm.ClientWidth;
TempForm.Width := TempX + TempDeltaX;
end;
end;
procedure TChromium.ResizeFormHeightTo(const y : Integer);
var
TempForm : TCustomForm;
TempY, TempDeltaY : integer;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempY := max(y, 100);
TempDeltaY := TempForm.Height - TempForm.ClientHeight;
TempForm.Height := TempY + TempDeltaY;
end;
end;
procedure TChromium.SetFormLeftTo(const x : Integer);
var
TempForm : TCustomForm;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
TempForm.Left := min(max(x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
end;
procedure TChromium.SetFormTopTo(const y : Integer);
var
TempForm : TCustomForm;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
TempForm.Top := min(max(y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
end;
procedure TChromium.WasResized;
begin
if Initialized then FBrowser.Host.WasResized;
end;
procedure TChromium.WasHidden(hidden: Boolean);
begin
if Initialized then FBrowser.Host.WasHidden(hidden);
end;
procedure TChromium.NotifyScreenInfoChanged;
begin
if Initialized then FBrowser.Host.NotifyScreenInfoChanged;
end;
procedure TChromium.Invalidate(kind: TCefPaintElementType);
begin
if Initialized then FBrowser.Host.Invalidate(kind);
end;
procedure TChromium.SendKeyEvent(const event: PCefKeyEvent);
begin
if Initialized then FBrowser.Host.SendKeyEvent(event);
end;
procedure TChromium.SendMouseClickEvent(const event : PCefMouseEvent;
kind : TCefMouseButtonType;
mouseUp : Boolean;
clickCount : Integer);
begin
if Initialized then FBrowser.Host.SendMouseClickEvent(event, kind, mouseUp, clickCount);
end;
procedure TChromium.SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean);
begin
if Initialized then FBrowser.Host.SendMouseMoveEvent(event, mouseLeave);
end;
procedure TChromium.SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer);
begin
if Initialized then FBrowser.Host.SendMouseWheelEvent(event, deltaX, deltaY);
end;
procedure TChromium.SendFocusEvent(setFocus: Boolean);
begin
if Initialized then FBrowser.Host.SendFocusEvent(setFocus);
end;
procedure TChromium.SendCaptureLostEvent;
begin
if Initialized then FBrowser.Host.SendCaptureLostEvent;
end;
procedure TChromium.SetFocus(focus: Boolean);
begin
if Initialized then FBrowser.Host.SetFocus(focus);
end;
end.
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