// ************************************************************************ // ***************************** 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 © 2022 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 * 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 := '' + '

Failed to load URL ' + failedUrl + ' with error ' + errorText + ' (' + inttostr(errorCode) + ').

'; 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.