mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-16 16:25:57 +01:00
983 lines
37 KiB
ObjectPascal
983 lines
37 KiB
ObjectPascal
// ************************************************************************
|
|
// ***************************** 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 © 2021 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 uFMXExternalPumpBrowser2;
|
|
{$I cef.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
System.Types, System.UITypes, System.Classes, System.SyncObjs,
|
|
FMX.Types, FMX.Controls, FMX.Forms, FMX.Dialogs, FMX.Edit, FMX.StdCtrls,
|
|
FMX.Controls.Presentation, FMX.Graphics, FMX.Layouts, FMX.DialogService,
|
|
uCEFFMXChromium, uCEFFMXBufferPanel, uCEFFMXWorkScheduler,
|
|
uCEFInterfaces, uCEFTypes, uCEFConstants, uCEFChromiumCore, FMX.ComboEdit;
|
|
|
|
type
|
|
TJSDialogInfo = record
|
|
OriginUrl : ustring;
|
|
MessageText : ustring;
|
|
DefaultPromptText : ustring;
|
|
DialogType : TCefJsDialogType;
|
|
Callback : ICefJsDialogCallback;
|
|
end;
|
|
|
|
TFMXExternalPumpBrowserFrm = class(TForm)
|
|
AddressPnl: TPanel;
|
|
chrmosr: TFMXChromium;
|
|
Timer1: TTimer;
|
|
SaveDialog1: TSaveDialog;
|
|
Panel1: TFMXBufferPanel;
|
|
Layout1: TLayout;
|
|
GoBtn: TButton;
|
|
SnapshotBtn: TButton;
|
|
StatusBar1: TStatusBar;
|
|
StatusLbl: TLabel;
|
|
AddressCb: TComboEdit;
|
|
|
|
procedure GoBtnClick(Sender: TObject);
|
|
procedure GoBtnEnter(Sender: TObject);
|
|
|
|
procedure Panel1Enter(Sender: TObject);
|
|
procedure Panel1Exit(Sender: TObject);
|
|
procedure Panel1Resize(Sender: TObject);
|
|
procedure Panel1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Single);
|
|
procedure Panel1MouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Single);
|
|
procedure Panel1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: Single);
|
|
procedure Panel1MouseLeave(Sender: TObject);
|
|
procedure Panel1MouseWheel(Sender: TObject; Shift: TShiftState; WheelDelta: Integer; var Handled: Boolean);
|
|
|
|
procedure FormCreate(Sender: TObject);
|
|
procedure FormDestroy(Sender: TObject);
|
|
procedure FormActivate(Sender: TObject);
|
|
procedure FormShow(Sender: TObject);
|
|
procedure FormHide(Sender: TObject);
|
|
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
|
|
|
|
procedure chrmosrPaint(Sender: TObject; const browser: ICefBrowser; type_: TCefPaintElementType; dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray; const buffer: Pointer; width, height: Integer);
|
|
procedure chrmosrGetViewRect(Sender: TObject; const browser: ICefBrowser; var rect: TCefRect);
|
|
procedure chrmosrGetScreenPoint(Sender: TObject; const browser: ICefBrowser; viewX, viewY: Integer; var screenX, screenY: Integer; out Result: Boolean);
|
|
procedure chrmosrGetScreenInfo(Sender: TObject; const browser: ICefBrowser; var screenInfo: TCefScreenInfo; out Result: Boolean);
|
|
procedure chrmosrPopupShow(Sender: TObject; const browser: ICefBrowser; show: Boolean);
|
|
procedure chrmosrPopupSize(Sender: TObject; const browser: ICefBrowser; const rect: PCefRect);
|
|
procedure chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
|
|
procedure chrmosrTooltip(Sender: TObject; const browser: ICefBrowser; var text: ustring; out Result: Boolean);
|
|
procedure chrmosrBeforePopup(Sender: TObject; 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; var Result: Boolean);
|
|
procedure chrmosrAfterCreated(Sender: TObject; const browser: ICefBrowser);
|
|
procedure chrmosrCursorChange(Sender: TObject; const browser: ICefBrowser; cursor_: TCefCursorHandle; cursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo; var aResult: Boolean);
|
|
procedure chrmosrLoadingStateChange(Sender: TObject; const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
|
|
procedure chrmosrLoadError(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer; const errorText, failedUrl: ustring);
|
|
procedure chrmosrBeforeContextMenu(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel);
|
|
procedure chrmosrJsdialog(Sender: TObject; const browser: ICefBrowser; const originUrl: ustring; dialogType: TCefJsDialogType; const messageText, defaultPromptText: ustring; const callback: ICefJsDialogCallback; out suppressMessage, Result: Boolean);
|
|
|
|
procedure Timer1Timer(Sender: TObject);
|
|
procedure AddressEdtEnter(Sender: TObject);
|
|
|
|
procedure SnapshotBtnClick(Sender: TObject);
|
|
procedure SnapshotBtnEnter(Sender: TObject);
|
|
|
|
protected
|
|
FPopUpBitmap : TBitmap;
|
|
FPopUpRect : TRect;
|
|
FShowPopUp : boolean;
|
|
FResizing : boolean;
|
|
FPendingResize : boolean;
|
|
FCanClose : boolean;
|
|
FClosing : boolean;
|
|
FResizeCS : TCriticalSection;
|
|
FJSDialogInfo : TJSDialogInfo;
|
|
{$IFDEF DELPHI17_UP}
|
|
FMouseWheelService : IFMXMouseService;
|
|
{$ENDIF}
|
|
|
|
procedure LoadURL;
|
|
function getModifiers(Shift: TShiftState): TCefEventFlags; overload;
|
|
function getModifiers(Button: TMouseButton; Shift: TShiftState): TCefEventFlags; overload;
|
|
function GetButton(Button: TMouseButton): TCefMouseButtonType;
|
|
function GetMousePosition(var aPoint : TPointF) : boolean;
|
|
procedure ShowPendingJSDialog;
|
|
|
|
public
|
|
procedure DoResize;
|
|
procedure NotifyMoveOrResizeStarted;
|
|
procedure SendCaptureLostEvent;
|
|
procedure SetBounds(ALeft: Integer; ATop: Integer; AWidth: Integer; AHeight: Integer); override;
|
|
procedure SendCEFKeyEvent(const aCefEvent : TCefKeyEvent);
|
|
end;
|
|
|
|
var
|
|
FMXExternalPumpBrowserFrm : TFMXExternalPumpBrowserFrm;
|
|
|
|
// This is a simple browser using FireMonkey components in OSR mode (off-screen rendering)
|
|
// and a external message pump.
|
|
|
|
// All FMX applications using CEF4Delphi should add the $(FrameworkType) conditional define
|
|
// in the project options to avoid duplicated resources.
|
|
// This demo has that define in the menu option :
|
|
// Project -> Options -> Building -> Delphi compiler -> Conditional defines (All configurations)
|
|
|
|
// This is the destruction sequence in OSR mode :
|
|
// 1- FormCloseQuery sets CanClose to the initial FCanClose value (False) and
|
|
// calls chrmosr.CloseBrowser(True).
|
|
// 2- chrmosr.CloseBrowser(True) will trigger chrmosr.OnClose and the default
|
|
// implementation will destroy the internal browser immediately, which will
|
|
// trigger the chrmosr.OnBeforeClose event.
|
|
// 3- chrmosr.OnBeforeClose sets FCanClose to True and enables the timer to
|
|
// close the form after a few milliseconds.
|
|
|
|
implementation
|
|
|
|
{$R *.fmx}
|
|
|
|
uses
|
|
System.SysUtils, System.Math, FMX.Platform, FMX.Platform.Linux, FMX.DialogService.Async,
|
|
uCEFMiscFunctions, uCEFApplication, uCEFLinuxTypes, uCEFLinuxConstants,
|
|
uCEFLinuxFunctions;
|
|
|
|
function GTKKeyPress(Widget: PGtkWidget; Event: PGdkEventKey; Data: gPointer) : GBoolean; cdecl;
|
|
var
|
|
TempCefEvent : TCefKeyEvent;
|
|
begin
|
|
if FMXExternalPumpBrowserFrm.Panel1.IsFocused then
|
|
begin
|
|
GdkEventKeyToCEFKeyEvent(Event, TempCefEvent);
|
|
|
|
if (Event^._type = GDK_KEY_PRESS) then
|
|
begin
|
|
TempCefEvent.kind := KEYEVENT_RAWKEYDOWN;
|
|
FMXExternalPumpBrowserFrm.SendCEFKeyEvent(TempCefEvent);
|
|
TempCefEvent.kind := KEYEVENT_CHAR;
|
|
FMXExternalPumpBrowserFrm.SendCEFKeyEvent(TempCefEvent);
|
|
end
|
|
else
|
|
begin
|
|
TempCefEvent.kind := KEYEVENT_KEYUP;
|
|
FMXExternalPumpBrowserFrm.SendCEFKeyEvent(TempCefEvent);
|
|
end;
|
|
|
|
Result := True;
|
|
end
|
|
else
|
|
Result := False;
|
|
end;
|
|
|
|
procedure ConnectKeyPressReleaseEvents(const aWidget : PGtkWidget);
|
|
begin
|
|
g_signal_connect(aWidget, 'key-press-event', TGCallback(@GTKKeyPress), nil);
|
|
g_signal_connect(aWidget, 'key-release-event', TGCallback(@GTKKeyPress), nil);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.FormActivate(Sender: TObject);
|
|
var
|
|
TempError : string;
|
|
begin
|
|
if not(FCanClose) and ((GlobalCEFApp = nil) or not(GlobalCEFApp.LibLoaded)) then
|
|
begin
|
|
FCanClose := True;
|
|
FClosing := True;
|
|
TempError := 'CEF binaries missing!';
|
|
|
|
if (GlobalCEFApp = nil) then
|
|
TempError := TempError + CRLF + CRLF + 'GlobalCEFApp was not created!'
|
|
else
|
|
if (length(GlobalCEFApp.MissingLibFiles) > 0) then
|
|
TempError := TempError + CRLF + CRLF +
|
|
'The missing files are :' + CRLF +
|
|
trim(GlobalCEFApp.MissingLibFiles);
|
|
|
|
TDialogService.MessageDialog(TempError, TMsgDlgType.mtError,
|
|
[TMsgDlgBtn.mbOK], TMsgDlgBtn.mbOK, 0,
|
|
procedure(const AResult: TModalResult)
|
|
begin
|
|
Timer1.Enabled := True;
|
|
end);
|
|
end
|
|
else
|
|
if not(chrmosr.Initialized) then
|
|
begin
|
|
ConnectKeyPressReleaseEvents(TLinuxWindowHandle(Handle).NativeHandle);
|
|
|
|
// opaque white background color
|
|
chrmosr.Options.BackgroundColor := CefColorSetARGB($FF, $FF, $FF, $FF);
|
|
|
|
if not(chrmosr.CreateBrowser) then
|
|
Timer1.Enabled := True;
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
|
|
begin
|
|
CanClose := FCanClose;
|
|
|
|
if not(FClosing) then
|
|
begin
|
|
FClosing := True;
|
|
Visible := False;
|
|
AddressPnl.Enabled := False;
|
|
FJSDialogInfo.Callback := nil;
|
|
|
|
chrmosr.CloseBrowser(True);
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.FormCreate(Sender: TObject);
|
|
begin
|
|
FPopUpBitmap := nil;
|
|
FPopUpRect := rect(0, 0, 0, 0);
|
|
FShowPopUp := False;
|
|
FResizing := False;
|
|
FPendingResize := False;
|
|
FCanClose := False;
|
|
FClosing := False;
|
|
FResizeCS := TCriticalSection.Create;
|
|
|
|
FJSDialogInfo.OriginUrl := '';
|
|
FJSDialogInfo.MessageText := '';
|
|
FJSDialogInfo.DefaultPromptText := '';
|
|
FJSDialogInfo.DialogType := JSDIALOGTYPE_ALERT;
|
|
FJSDialogInfo.Callback := nil;
|
|
|
|
chrmosr.DefaultURL := AddressCb.Text;
|
|
|
|
{$IFDEF DELPHI17_UP}
|
|
if TPlatformServices.Current.SupportsPlatformService(IFMXMouseService) then
|
|
FMouseWheelService := TPlatformServices.Current.GetPlatformService(IFMXMouseService) as IFMXMouseService;
|
|
{$ENDIF}
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.FormDestroy(Sender: TObject);
|
|
begin
|
|
FResizeCS.Free;
|
|
|
|
if (FPopUpBitmap <> nil) then
|
|
FreeAndNil(FPopUpBitmap);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.FormHide(Sender: TObject);
|
|
begin
|
|
chrmosr.SetFocus(False);
|
|
chrmosr.WasHidden(True);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.FormShow(Sender: TObject);
|
|
begin
|
|
chrmosr.WasHidden(False);
|
|
chrmosr.SetFocus(True);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.GoBtnClick(Sender: TObject);
|
|
begin
|
|
LoadURL;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.LoadURL;
|
|
begin
|
|
FResizeCS.Acquire;
|
|
FResizing := False;
|
|
FPendingResize := False;
|
|
FResizeCS.Release;
|
|
|
|
chrmosr.LoadURL(AddressCb.Text);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.GoBtnEnter(Sender: TObject);
|
|
begin
|
|
if (chrmosr <> nil) then chrmosr.SetFocus(False);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Panel1Enter(Sender: TObject);
|
|
begin
|
|
if (chrmosr <> nil) then chrmosr.SetFocus(True);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Panel1Exit(Sender: TObject);
|
|
begin
|
|
if (chrmosr <> nil) then chrmosr.SetFocus(False);
|
|
end;
|
|
|
|
function TFMXExternalPumpBrowserFrm.GetMousePosition(var aPoint : TPointF) : boolean;
|
|
begin
|
|
{$IFDEF DELPHI17_UP}
|
|
if (FMouseWheelService <> nil) then
|
|
begin
|
|
aPoint := FMouseWheelService.GetMousePos;
|
|
Result := True;
|
|
end
|
|
else
|
|
{$ENDIF}
|
|
begin
|
|
aPoint.x := 0;
|
|
aPoint.y := 0;
|
|
Result := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Panel1MouseLeave(Sender: TObject);
|
|
var
|
|
TempEvent : TCefMouseEvent;
|
|
TempPoint : TPointF;
|
|
begin
|
|
if GetMousePosition(TempPoint) then
|
|
begin
|
|
TempPoint := Panel1.ScreenToClient(TempPoint);
|
|
|
|
TempEvent.x := round(TempPoint.x);
|
|
TempEvent.y := round(TempPoint.y);
|
|
TempEvent.modifiers := EVENTFLAG_NONE;
|
|
|
|
chrmosr.SendMouseMoveEvent(@TempEvent, True);
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Panel1MouseMove(Sender : TObject;
|
|
Shift : TShiftState;
|
|
X, Y : Single);
|
|
var
|
|
TempEvent : TCefMouseEvent;
|
|
begin
|
|
if not(ssTouch in Shift) then
|
|
begin
|
|
TempEvent.x := round(x);
|
|
TempEvent.y := round(y);
|
|
TempEvent.modifiers := getModifiers(Shift);
|
|
|
|
chrmosr.SendMouseMoveEvent(@TempEvent, False);
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Panel1MouseUp(Sender : TObject;
|
|
Button : TMouseButton;
|
|
Shift : TShiftState;
|
|
X, Y : Single);
|
|
var
|
|
TempEvent : TCefMouseEvent;
|
|
TempCount : integer;
|
|
begin
|
|
if not(ssTouch in Shift) then
|
|
begin
|
|
TempEvent.x := round(X);
|
|
TempEvent.y := round(Y);
|
|
TempEvent.modifiers := getModifiers(Button, Shift);
|
|
|
|
if (Button = TMouseButton.mbRight) then
|
|
begin
|
|
// We move the event point slightly so the mouse is over the context menu
|
|
TempEvent.x := TempEvent.x - 5;
|
|
TempEvent.y := TempEvent.y - 5;
|
|
end;
|
|
|
|
if (ssDouble in Shift) then
|
|
TempCount := 2
|
|
else
|
|
TempCount := 1;
|
|
|
|
chrmosr.SendMouseClickEvent(@TempEvent, GetButton(Button), True, TempCount);
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Panel1MouseDown(Sender : TObject;
|
|
Button : TMouseButton;
|
|
Shift : TShiftState;
|
|
X, Y : Single);
|
|
var
|
|
TempEvent : TCefMouseEvent;
|
|
TempCount : integer;
|
|
begin
|
|
if not(ssTouch in Shift) then
|
|
begin
|
|
TempEvent.x := round(X);
|
|
TempEvent.y := round(Y);
|
|
TempEvent.modifiers := getModifiers(Button, Shift);
|
|
|
|
if (Button = TMouseButton.mbRight) then
|
|
begin
|
|
// We set the focus in another control as a workaround to show the context
|
|
// menu when we click the right mouse button.
|
|
GoBtn.SetFocus;
|
|
|
|
// We move the event point slightly so the mouse is over the context menu
|
|
TempEvent.x := TempEvent.x - 5;
|
|
TempEvent.y := TempEvent.y - 5;
|
|
end
|
|
else
|
|
Panel1.SetFocus;
|
|
|
|
if (ssDouble in Shift) then
|
|
TempCount := 2
|
|
else
|
|
TempCount := 1;
|
|
|
|
chrmosr.SendMouseClickEvent(@TempEvent, GetButton(Button), False, TempCount);
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Panel1MouseWheel( Sender : TObject;
|
|
Shift : TShiftState;
|
|
WheelDelta : Integer;
|
|
var Handled : Boolean);
|
|
var
|
|
TempEvent : TCefMouseEvent;
|
|
TempPoint : TPointF;
|
|
begin
|
|
if Panel1.IsFocused and GetMousePosition(TempPoint) then
|
|
begin
|
|
TempPoint := Panel1.ScreenToClient(TempPoint);
|
|
TempEvent.x := round(TempPoint.x);
|
|
TempEvent.y := round(TempPoint.y);
|
|
TempEvent.modifiers := getModifiers(Shift);
|
|
|
|
chrmosr.SendMouseWheelEvent(@TempEvent, 0, WheelDelta);
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Panel1Resize(Sender: TObject);
|
|
begin
|
|
DoResize;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.Timer1Timer(Sender: TObject);
|
|
begin
|
|
Timer1.Enabled := False;
|
|
|
|
if FClosing then
|
|
close
|
|
else
|
|
if not(chrmosr.CreateBrowser) then
|
|
Timer1.Enabled := True;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.AddressEdtEnter(Sender: TObject);
|
|
begin
|
|
if (chrmosr <> nil) then
|
|
chrmosr.SetFocus(False);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrAfterCreated(Sender: TObject; const browser: ICefBrowser);
|
|
begin
|
|
// Now the browser is fully initialized we can enable the UI.
|
|
Caption := 'FMX External Pump Browser 2';
|
|
AddressPnl.Enabled := True;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrBeforeClose(Sender: TObject; const browser: ICefBrowser);
|
|
begin
|
|
FCanClose := True;
|
|
TThread.ForceQueue(nil, procedure
|
|
begin
|
|
close;
|
|
end);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrBeforeContextMenu( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const params : ICefContextMenuParams;
|
|
const model : ICefMenuModel);
|
|
begin
|
|
// This demo doesn't implement the print events.
|
|
// See the "Lazarus_Linux/MiniBrowser" demo to know how to print in Linux.
|
|
if (model <> nil) then
|
|
model.Remove(MENU_ID_PRINT);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrBeforePopup( Sender : TObject;
|
|
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;
|
|
var Result : Boolean);
|
|
begin
|
|
// For simplicity, this demo blocks all popup windows and new tabs
|
|
Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrCursorChange( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
cursor_ : TCefCursorHandle;
|
|
cursorType : TCefCursorType;
|
|
const customCursorInfo : PCefCursorInfo;
|
|
var aResult : Boolean);
|
|
begin
|
|
Panel1.Cursor := CefCursorToWindowsCursor(cursorType);
|
|
aResult := True;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrGetScreenInfo( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
var screenInfo : TCefScreenInfo;
|
|
out Result : Boolean);
|
|
var
|
|
TempRect : TCEFRect;
|
|
begin
|
|
TempRect.x := 0;
|
|
TempRect.y := 0;
|
|
TempRect.width := round(Panel1.Width);
|
|
TempRect.height := round(Panel1.Height);
|
|
|
|
screenInfo.device_scale_factor := Panel1.ScreenScale;
|
|
screenInfo.depth := 0;
|
|
screenInfo.depth_per_component := 0;
|
|
screenInfo.is_monochrome := Ord(False);
|
|
screenInfo.rect := TempRect;
|
|
screenInfo.available_rect := TempRect;
|
|
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrGetScreenPoint( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
viewX : Integer;
|
|
viewY : Integer;
|
|
var screenX : Integer;
|
|
var screenY : Integer;
|
|
out Result : Boolean);
|
|
var
|
|
TempScreenPt, TempViewPt : TPoint;
|
|
begin
|
|
// TFMXBufferPanel.ClientToScreen applies the scale factor. No need to call LogicalToDevice to set TempViewPt.
|
|
TempViewPt.x := viewX;
|
|
TempViewPt.y := viewY;
|
|
TempScreenPt := Panel1.ClientToScreen(TempViewPt);
|
|
screenX := TempScreenPt.x;
|
|
screenY := TempScreenPt.y;
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrGetViewRect( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
var rect : TCefRect);
|
|
begin
|
|
rect.x := 0;
|
|
rect.y := 0;
|
|
rect.width := round(Panel1.Width);
|
|
rect.height := round(Panel1.Height);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrJsdialog( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
const originUrl : ustring;
|
|
dialogType : TCefJsDialogType;
|
|
const messageText : ustring;
|
|
const defaultPromptText : ustring;
|
|
const callback : ICefJsDialogCallback;
|
|
out suppressMessage : Boolean;
|
|
out Result : Boolean);
|
|
begin
|
|
FJSDialogInfo.OriginUrl := originUrl;
|
|
FJSDialogInfo.DialogType := dialogType;
|
|
FJSDialogInfo.MessageText := messageText;
|
|
FJSDialogInfo.DefaultPromptText := defaultPromptText;
|
|
FJSDialogInfo.Callback := callback;
|
|
|
|
Result := True;
|
|
suppressMessage := False;
|
|
|
|
TThread.ForceQueue(nil, ShowPendingJSDialog);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.ShowPendingJSDialog;
|
|
var
|
|
TempCaption : string;
|
|
begin
|
|
if FClosing or (FJSDialogInfo.Callback = nil) then exit;
|
|
|
|
TempCaption := 'JavaScript message from : ' + FJSDialogInfo.OriginUrl;
|
|
|
|
case FJSDialogInfo.DialogType of
|
|
JSDIALOGTYPE_CONFIRM :
|
|
begin
|
|
TempCaption := TempCaption + CRLF + CRLF + FJSDialogInfo.MessageText;
|
|
TDialogServiceAsync.MessageDialog(TempCaption,
|
|
TMsgDlgType.mtConfirmation,
|
|
[TMsgDlgBtn.mbYes, TMsgDlgBtn.mbNo],
|
|
TMsgDlgBtn.mbYes,
|
|
0,
|
|
procedure(const AResult: TModalResult)
|
|
begin
|
|
FJSDialogInfo.Callback.cont(AResult in [mrOk, mrYes], '');
|
|
FJSDialogInfo.Callback := nil;
|
|
end);
|
|
end;
|
|
|
|
JSDIALOGTYPE_PROMPT :
|
|
TDialogServiceAsync.InputQuery(TempCaption,
|
|
[FJSDialogInfo.MessageText],
|
|
[FJSDialogInfo.DefaultPromptText],
|
|
procedure(const AResult: TModalResult; const AValues: array of string)
|
|
begin
|
|
FJSDialogInfo.Callback.cont(AResult in [mrOk, mrYes], AValues[0]);
|
|
FJSDialogInfo.Callback := nil;
|
|
end);
|
|
|
|
else // JSDIALOGTYPE_ALERT
|
|
begin
|
|
TempCaption := TempCaption + CRLF + CRLF + FJSDialogInfo.MessageText;
|
|
TDialogServiceAsync.ShowMessage(TempCaption);
|
|
FJSDialogInfo.Callback := nil;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrLoadError( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
errorCode : Integer;
|
|
const errorText : ustring;
|
|
const failedUrl : ustring);
|
|
var
|
|
TempString : ustring;
|
|
begin
|
|
if (errorCode = ERR_ABORTED) then
|
|
exit;
|
|
|
|
TempString := '<html><body bgcolor="white">' +
|
|
'<h2>Failed to load URL ' + failedUrl +
|
|
' with error ' + errorText +
|
|
' (' + inttostr(errorCode) + ').</h2></body></html>';
|
|
|
|
chrmosr.LoadString(TempString, frame);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrLoadingStateChange( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
isLoading : Boolean;
|
|
canGoBack : Boolean;
|
|
canGoForward : Boolean);
|
|
begin
|
|
if isLoading then
|
|
StatusLbl.Text := 'Loading...'
|
|
else
|
|
StatusLbl.Text := '';
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrPaint( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
type_ : TCefPaintElementType;
|
|
dirtyRectsCount : NativeUInt;
|
|
const dirtyRects : PCefRectArray;
|
|
const buffer : Pointer;
|
|
width : Integer;
|
|
height : Integer);
|
|
var
|
|
src, dst: PByte;
|
|
i, j, TempLineSize, TempSrcOffset, TempDstOffset, SrcStride, TempWidth, TempHeight : Integer;
|
|
n : NativeUInt;
|
|
{$IFNDEF DELPHI17_UP}
|
|
TempScanlineSize, DstStride : integer;
|
|
{$ENDIF}
|
|
TempBufferBits : Pointer;
|
|
TempForcedResize : boolean;
|
|
TempBitmapData : TBitmapData;
|
|
TempBitmap : TBitmap;
|
|
TempSrcRect, TempDstRect : TRectF;
|
|
begin
|
|
try
|
|
FResizeCS.Acquire;
|
|
TempForcedResize := False;
|
|
|
|
if Panel1.BeginBufferDraw then
|
|
try
|
|
if (type_ = PET_POPUP) then
|
|
begin
|
|
if (FPopUpBitmap = nil) or
|
|
(width <> FPopUpBitmap.Width) or
|
|
(height <> FPopUpBitmap.Height) then
|
|
begin
|
|
if (FPopUpBitmap <> nil) then FPopUpBitmap.Free;
|
|
|
|
FPopUpBitmap := TBitmap.Create(width, height);
|
|
{$IFDEF DELPHI17_UP}
|
|
FPopUpBitmap.BitmapScale := Panel1.ScreenScale;
|
|
{$ENDIF}
|
|
end;
|
|
|
|
TempWidth := FPopUpBitmap.Width;
|
|
TempHeight := FPopUpBitmap.Height;
|
|
{$IFNDEF DELPHI17_UP}
|
|
TempScanlineSize := FPopUpBitmap.BytesPerLine;
|
|
{$ENDIF}
|
|
TempBitmap := FPopUpBitmap;
|
|
end
|
|
else
|
|
begin
|
|
TempForcedResize := Panel1.UpdateBufferDimensions(Width, Height) or not(Panel1.BufferIsResized(False));
|
|
TempWidth := Panel1.BufferWidth;
|
|
TempHeight := Panel1.BufferHeight;
|
|
{$IFNDEF DELPHI17_UP}
|
|
TempScanlineSize := Panel1.ScanlineSize;
|
|
{$ENDIF}
|
|
TempBitmap := Panel1.Buffer;
|
|
end;
|
|
|
|
|
|
if (TempBitmap <> nil) {$IFDEF DELPHI17_UP}and TempBitmap.Map(TMapAccess.ReadWrite, TempBitmapData){$ENDIF} then
|
|
begin
|
|
try
|
|
{$IFNDEF DELPHI17_UP}
|
|
TempBufferBits := TempBitmapData.StartLine;
|
|
DstStride := TempScanlineSize;
|
|
{$ENDIF}
|
|
SrcStride := Width * SizeOf(TRGBQuad);
|
|
|
|
n := 0;
|
|
|
|
while (n < dirtyRectsCount) do
|
|
begin
|
|
if (dirtyRects[n].x >= 0) and (dirtyRects[n].y >= 0) then
|
|
begin
|
|
TempLineSize := min(dirtyRects[n].width, TempWidth - dirtyRects[n].x) * SizeOf(TRGBQuad);
|
|
|
|
if (TempLineSize > 0) then
|
|
begin
|
|
TempSrcOffset := ((dirtyRects[n].y * Width) + dirtyRects[n].x) * SizeOf(TRGBQuad);
|
|
|
|
{$IFDEF DELPHI17_UP}
|
|
TempDstOffset := (dirtyRects[n].x * SizeOf(TRGBQuad));
|
|
{$ELSE}
|
|
TempDstOffset := (dirtyRects[n].y * TempScanlineSize) + (dirtyRects[n].x * SizeOf(TRGBQuad));
|
|
{$ENDIF}
|
|
|
|
src := @PByte(buffer)[TempSrcOffset];
|
|
{$IFNDEF DELPHI17_UP}
|
|
dst := @PByte(TempBufferBits)[TempDstOffset];
|
|
{$ENDIF}
|
|
|
|
i := 0;
|
|
j := min(dirtyRects[n].height, TempHeight - dirtyRects[n].y);
|
|
|
|
while (i < j) do
|
|
begin
|
|
{$IFDEF DELPHI17_UP}
|
|
TempBufferBits := TempBitmapData.GetScanline(dirtyRects[n].y + i);
|
|
dst := @PByte(TempBufferBits)[TempDstOffset];
|
|
{$ENDIF}
|
|
|
|
Move(src^, dst^, TempLineSize);
|
|
|
|
{$IFNDEF DELPHI17_UP}
|
|
inc(dst, DstStride);
|
|
{$ENDIF}
|
|
inc(src, SrcStride);
|
|
inc(i);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
inc(n);
|
|
end;
|
|
|
|
Panel1.InvalidatePanel;
|
|
finally
|
|
{$IFDEF DELPHI17_UP}
|
|
TempBitmap.Unmap(TempBitmapData);
|
|
{$ENDIF}
|
|
end;
|
|
|
|
if FShowPopup and (FPopUpBitmap <> nil) then
|
|
begin
|
|
TempSrcRect := RectF(0, 0,
|
|
min(FPopUpRect.Width, FPopUpBitmap.Width),
|
|
min(FPopUpRect.Height, FPopUpBitmap.Height));
|
|
|
|
TempDstRect.Left := FPopUpRect.Left / GlobalCEFApp.DeviceScaleFactor;
|
|
TempDstRect.Top := FPopUpRect.Top / GlobalCEFApp.DeviceScaleFactor;
|
|
TempDstRect.Right := TempDstRect.Left + (TempSrcRect.Width / GlobalCEFApp.DeviceScaleFactor);
|
|
TempDstRect.Bottom := TempDstRect.Top + (TempSrcRect.Height / GlobalCEFApp.DeviceScaleFactor);
|
|
|
|
Panel1.BufferDraw(FPopUpBitmap, TempSrcRect, TempDstRect);
|
|
end;
|
|
end;
|
|
|
|
if (type_ = PET_VIEW) then
|
|
begin
|
|
if TempForcedResize or FPendingResize then
|
|
TThread.ForceQueue(nil, DoResize);
|
|
|
|
FResizing := False;
|
|
FPendingResize := False;
|
|
end;
|
|
finally
|
|
Panel1.EndBufferDraw;
|
|
end;
|
|
finally
|
|
FResizeCS.Release;
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrPopupShow( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
show : Boolean);
|
|
begin
|
|
if show then
|
|
FShowPopUp := True
|
|
else
|
|
begin
|
|
FShowPopUp := False;
|
|
FPopUpRect := rect(0, 0, 0, 0);
|
|
|
|
chrmosr.Invalidate(PET_VIEW);
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrPopupSize( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
const rect : PCefRect);
|
|
begin
|
|
if (GlobalCEFApp <> nil) then
|
|
begin
|
|
LogicalToDevice(rect^, GlobalCEFApp.DeviceScaleFactor);
|
|
|
|
FPopUpRect.Left := rect.x;
|
|
FPopUpRect.Top := rect.y;
|
|
FPopUpRect.Right := rect.x + rect.width - 1;
|
|
FPopUpRect.Bottom := rect.y + rect.height - 1;
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.chrmosrTooltip( Sender : TObject;
|
|
const browser : ICefBrowser;
|
|
var text : ustring;
|
|
out Result : Boolean);
|
|
begin
|
|
Panel1.Hint := text;
|
|
Panel1.ShowHint := (length(text) > 0);
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.DoResize;
|
|
begin
|
|
if (chrmosr = nil) or not(chrmosr.Initialized) then
|
|
exit;
|
|
|
|
try
|
|
if (FResizeCS <> nil) then
|
|
begin
|
|
FResizeCS.Acquire;
|
|
|
|
if FResizing then
|
|
FPendingResize := True
|
|
else
|
|
if Panel1.BufferIsResized then
|
|
chrmosr.Invalidate(PET_VIEW)
|
|
else
|
|
begin
|
|
FResizing := True;
|
|
chrmosr.WasResized;
|
|
end;
|
|
end;
|
|
finally
|
|
if (FResizeCS <> nil) then FResizeCS.Release;
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.SetBounds(ALeft, ATop, AWidth, AHeight: Integer);
|
|
var
|
|
PositionChanged: Boolean;
|
|
begin
|
|
PositionChanged := (ALeft <> Left) or (ATop <> Top);
|
|
|
|
inherited SetBounds(ALeft, ATop, AWidth, AHeight);
|
|
|
|
if PositionChanged then NotifyMoveOrResizeStarted;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.SendCEFKeyEvent(const aCefEvent : TCefKeyEvent);
|
|
begin
|
|
chrmosr.SendKeyEvent(@aCefEvent);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.NotifyMoveOrResizeStarted;
|
|
begin
|
|
if (chrmosr <> nil) then chrmosr.NotifyMoveOrResizeStarted;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.SendCaptureLostEvent;
|
|
begin
|
|
if (chrmosr <> nil) then chrmosr.SendCaptureLostEvent;
|
|
end;
|
|
|
|
function TFMXExternalPumpBrowserFrm.getModifiers(Shift: TShiftState): TCefEventFlags;
|
|
begin
|
|
Result := EVENTFLAG_NONE;
|
|
|
|
if (ssShift in Shift) then Result := Result or EVENTFLAG_SHIFT_DOWN;
|
|
if (ssAlt in Shift) then Result := Result or EVENTFLAG_ALT_DOWN;
|
|
if (ssCtrl in Shift) then Result := Result or EVENTFLAG_CONTROL_DOWN;
|
|
if (ssLeft in Shift) then Result := Result or EVENTFLAG_LEFT_MOUSE_BUTTON;
|
|
if (ssRight in Shift) then Result := Result or EVENTFLAG_RIGHT_MOUSE_BUTTON;
|
|
if (ssMiddle in Shift) then Result := Result or EVENTFLAG_MIDDLE_MOUSE_BUTTON;
|
|
end;
|
|
|
|
function TFMXExternalPumpBrowserFrm.getModifiers(Button: TMouseButton; Shift: TShiftState): TCefEventFlags;
|
|
begin
|
|
Result := getModifiers(shift);
|
|
|
|
case Button of
|
|
TMouseButton.mbLeft : Result := Result or EVENTFLAG_LEFT_MOUSE_BUTTON;
|
|
TMouseButton.mbRight : Result := Result or EVENTFLAG_RIGHT_MOUSE_BUTTON;
|
|
TMouseButton.mbMiddle : Result := Result or EVENTFLAG_MIDDLE_MOUSE_BUTTON;
|
|
end;
|
|
end;
|
|
|
|
function TFMXExternalPumpBrowserFrm.GetButton(Button: TMouseButton): TCefMouseButtonType;
|
|
begin
|
|
case Button of
|
|
TMouseButton.mbRight : Result := MBT_RIGHT;
|
|
TMouseButton.mbMiddle : Result := MBT_MIDDLE;
|
|
else Result := MBT_LEFT;
|
|
end;
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.SnapshotBtnClick(Sender: TObject);
|
|
begin
|
|
if SaveDialog1.Execute then Panel1.SaveToFile(SaveDialog1.FileName);
|
|
end;
|
|
|
|
procedure TFMXExternalPumpBrowserFrm.SnapshotBtnEnter(Sender: TObject);
|
|
begin
|
|
chrmosr.SetFocus(False);
|
|
end;
|
|
|
|
end.
|