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Update to CEF 128.4.8
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@ -33,7 +33,6 @@ type
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procedure Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser);
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procedure Chromium1BeforePopup(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);
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procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
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procedure Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
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protected
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@ -42,7 +41,6 @@ type
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FClosing : boolean; // Set to True in the CloseQuery event.
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procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
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procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
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procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
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procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
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procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
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@ -71,14 +69,8 @@ uses
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// Destruction steps
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// =================
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// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
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// 2. TChromium.OnClose sends a CEF_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
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// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
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procedure FreeCustomArrayBufer(buffer : Pointer);
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begin
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if (buffer <> nil) then FreeMem(buffer);
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end;
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// 1. FormCloseQuery sets CanClose to FALSE, destroys CEFWindowParent1 and calls TChromium.CloseBrowser which triggers the TChromium.OnBeforeClose event.
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// 2. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
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procedure GlobalCEFApp_OnContextCreated(const browser: ICefBrowser; const frame: ICefFrame; const context: ICefv8Context);
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const
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@ -86,27 +78,14 @@ const
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BUFFER_FILL_VALUE = 42; // Some ramdom value to fill the buffer
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var
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TempObject : ICefv8Value;
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TempCallback : ICefv8ArrayBufferReleaseCallback;
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TempBuffer : Pointer;
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begin
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// The ArrayBuffer in this demo has a "buffer" pointer but CEF uses a callback to free it when the JS garbage collector is triggered.
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// The garbage collector calls ICefv8ArrayBufferReleaseCallback.ReleaseBuffer to free the buffer and
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// CEF4Delphi has a TCefFastv8ArrayBufferReleaseCallback class that calls a custom procedure when
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// ICefv8ArrayBufferReleaseCallback.ReleaseBuffer is called.
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GetMem(TempBuffer, BUFFER_LENGTH);
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FillChar(TempBuffer^, BUFFER_LENGTH, BUFFER_FILL_VALUE);
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// TempCallback will execute FreeCustomArrayBufer when the garbage collector needs to free the buffer inside the "ArrayBuffer".
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TempCallback := TCefFastv8ArrayBufferReleaseCallback.Create(FreeCustomArrayBufer);
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TempObject := TCefv8ValueRef.NewArrayBuffer(TempBuffer, BUFFER_LENGTH, TempCallback);
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TempObject := TCefv8ValueRef.NewArrayBufferWithCopy(TempBuffer, BUFFER_LENGTH);
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context.Global.SetValueByKey('myobj', TempObject, V8_PROPERTY_ATTRIBUTE_NONE);
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// If you keep a reference to "TempObject" and you need to free the buffer immediately then call TempObject.NeuterArrayBuffer
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// Read this for more information about ICefv8Value :
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// https://magpcss.org/ceforum/apidocs3/projects/(default)/CefV8Value.html
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end;
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procedure CreateGlobalCEFApp;
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@ -195,13 +174,6 @@ begin
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PostMessage(Handle, WM_CLOSE, 0, 0);
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end;
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procedure TJSWindowBindingWithArrayBufferFrm.Chromium1Close(
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Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
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begin
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PostMessage(Handle, CEF_DESTROY, 0, 0);
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aAction := cbaDelay;
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end;
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procedure TJSWindowBindingWithArrayBufferFrm.FormCloseQuery(
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Sender: TObject; var CanClose: Boolean);
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begin
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@ -212,6 +184,7 @@ begin
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FClosing := True;
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Visible := False;
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Chromium1.CloseBrowser(True);
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CEFWindowParent1.Free;
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end;
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end;
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@ -221,9 +194,4 @@ begin
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FClosing := False;
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end;
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procedure TJSWindowBindingWithArrayBufferFrm.BrowserDestroyMsg(var aMessage : TMessage);
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begin
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CEFWindowParent1.Free;
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end;
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end.
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