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Update to CEF 3.3325.1756.g6d8faa4

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This commit is contained in:
Salvador Díaz Fau
2018-03-31 18:08:18 +02:00
parent 1ce74299cb
commit 2c4fa2c94f
57 changed files with 1822 additions and 57 deletions
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3
demos/JavaScript/JSDialog/uJSDialogBrowser.dfm
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@ -12,6 +12,7 @@ object JSDialogBrowserFrm: TJSDialogBrowserFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnDestroy = FormDestroy
OnShow = FormShow
@ -24,6 +25,8 @@ object JSDialogBrowserFrm: TJSDialogBrowserFrm
Height = 594
Align = alClient
TabOrder = 0
OnClose = ChromiumWindow1Close
OnBeforeClose = ChromiumWindow1BeforeClose
OnAfterCreated = ChromiumWindow1AfterCreated
end
object AddressPnl: TPanel

43
demos/JavaScript/JSDialog/uJSDialogBrowser.pas
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@ -67,6 +67,9 @@ type
procedure Timer1Timer(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure ChromiumWindow1Close(Sender: TObject);
procedure ChromiumWindow1BeforeClose(Sender: TObject);
protected
FJSDialogInfoCS : TCriticalSection;
@ -77,6 +80,10 @@ type
FDialogType : TCefJsDialogType;
FCallback : ICefJsDialogCallback;
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure Chromium_OnJsdialog(Sender: TObject; const browser: ICefBrowser; const originUrl: ustring; dialogType: TCefJsDialogType; const messageText, defaultPromptText: ustring; const callback: ICefJsDialogCallback; out suppressMessage: Boolean; out Result: Boolean);
procedure Chromium_OnBeforePopup(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 noJavascriptAccess: Boolean; var Result: Boolean);
@ -100,6 +107,12 @@ uses
// This is a demo with custom JS dialogs
// Destruction steps
// =================
// 1. The FormCloseQuery event sets CanClose to False and calls TChromiumWindow.CloseBrowser, which triggers the TChromiumWindow.OnClose event.
// 2. The TChromiumWindow.OnClose event calls TChromiumWindow.DestroyChildWindow which triggers the TChromiumWindow.OnBeforeClose event.
// 3. TChromiumWindow.OnBeforeClose sets FCanClose to True and closes the form.
procedure TJSDialogBrowserFrm.FormCreate(Sender: TObject);
begin
FJSDialogInfoCS := TCriticalSection.Create;
@ -109,6 +122,20 @@ begin
FPendingDlg := False;
FDialogType := JSDIALOGTYPE_ALERT;
FCallback := nil;
FCanClose := False;
FClosing := False;
end;
procedure TJSDialogBrowserFrm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
ChromiumWindow1.CloseBrowser(True);
end;
end;
procedure TJSDialogBrowserFrm.FormDestroy(Sender: TObject);
@ -209,6 +236,22 @@ begin
FJSDialogInfoCS.Release;
end;
procedure TJSDialogBrowserFrm.ChromiumWindow1BeforeClose(Sender: TObject);
begin
FCanClose := True;
Close;
end;
procedure TJSDialogBrowserFrm.ChromiumWindow1Close(Sender: TObject);
begin
// DestroyChildWindow will destroy the child window created by CEF at the top of the Z order.
if not(ChromiumWindow1.DestroyChildWindow) then
begin
FCanClose := True;
Close;
end;
end;
procedure TJSDialogBrowserFrm.Chromium_OnBeforePopup(Sender: TObject;
const browser: ICefBrowser; const frame: ICefFrame; const targetUrl,
targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition;

3
demos/JavaScript/JSEval/uJSEval.dfm
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@ -12,6 +12,7 @@ object JSEvalFrm: TJSEvalFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -67,6 +68,8 @@ object JSEvalFrm: TJSEvalFrm
OnContextMenuCommand = Chromium1ContextMenuCommand
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 16
Top = 40
end

46
demos/JavaScript/JSEval/uJSEval.pas
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@ -93,14 +93,23 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
private
{ Private declarations }
protected
FText : string;
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure ShowTextViewerMsg(var aMessage : TMessage); message MINIBROWSER_SHOWTEXTVIEWER;
procedure EvalJSCodeMsg(var aMessage : TMessage); message MINIBROWSER_EVALJSCODE;
procedure EvalJSBinParamMsg(var aMessage : TMessage); message MINIBROWSER_JSBINPARAM;
@ -164,12 +173,25 @@ uses
// Compress the binary data if necessary!
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure TJSEvalFrm.Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser);
begin
PostMessage(Handle, CEF_AFTERCREATED, 0, 0);
end;
procedure TJSEvalFrm.Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSEvalFrm.Chromium1BeforeContextMenu(Sender : TObject;
const browser : ICefBrowser;
const frame : ICefFrame;
@ -192,6 +214,13 @@ begin
Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
end;
procedure TJSEvalFrm.Chromium1Close(Sender: TObject;
const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSEvalFrm.Chromium1ContextMenuCommand(Sender : TObject;
const browser : ICefBrowser;
const frame : ICefFrame;
@ -208,6 +237,18 @@ begin
end;
end;
procedure TJSEvalFrm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSEvalFrm.FormShow(Sender: TObject);
begin
// GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser
@ -227,6 +268,11 @@ begin
GoBtn.Click;
end;
procedure TJSEvalFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
procedure TJSEvalFrm.ShowTextViewerMsg(var aMessage : TMessage);
begin
SimpleTextViewerFrm.Memo1.Lines.Text := FText;

4
demos/JavaScript/JSExecutingFunctions/uJSExecutingFunctions.dfm
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@ -12,6 +12,8 @@ object JSExecutingFunctionsFrm: TJSExecutingFunctionsFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnDestroy = FormDestroy
OnShow = FormShow
PixelsPerInch = 96
@ -66,6 +68,8 @@ object JSExecutingFunctionsFrm: TJSExecutingFunctionsFrm
OnContextMenuCommand = Chromium1ContextMenuCommand
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

54
demos/JavaScript/JSExecutingFunctions/uJSExecutingFunctions.pas
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@ -84,8 +84,19 @@ type
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormDestroy(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure FormCreate(Sender: TObject);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
@ -122,6 +133,12 @@ implementation
// This will send a process message to the "render" where the function can
// be executed.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
uses
uCEFProcessMessage, uMyV8Handler;
@ -164,6 +181,13 @@ begin
PostMessage(Handle, CEF_AFTERCREATED, 0, 0);
end;
procedure TJSExecutingFunctionsFrm.Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSExecutingFunctionsFrm.Chromium1BeforeContextMenu(
Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; const model: ICefMenuModel);
@ -184,6 +208,12 @@ begin
Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
end;
procedure TJSExecutingFunctionsFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSExecutingFunctionsFrm.Chromium1ContextMenuCommand(
Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; commandId: Integer;
@ -202,6 +232,25 @@ begin
end;
end;
procedure TJSExecutingFunctionsFrm.FormCloseQuery(Sender: TObject;
var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSExecutingFunctionsFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSExecutingFunctionsFrm.FormDestroy(Sender: TObject);
begin
GlobalCallbackFunc := nil;
@ -258,4 +307,9 @@ begin
GoBtn.Click;
end;
procedure TJSExecutingFunctionsFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSExtension/uJSExtension.dfm
View File

@ -12,6 +12,8 @@ object JSExtensionFrm: TJSExtensionFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -76,6 +78,8 @@ object JSExtensionFrm: TJSExtensionFrm
OnContextMenuCommand = Chromium1ContextMenuCommand
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

54
demos/JavaScript/JSExtension/uJSExtension.pas
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@ -90,10 +90,20 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
FText : string;
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure ShowTextViewerMsg(var aMessage : TMessage); message MINIBROWSER_SHOWTEXTVIEWER;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
@ -133,6 +143,12 @@ uses
// Even if you create several TChromium objects you should have no problem because each of them will have its own
// TChromium.OnProcessMessageReceived event to receive the messages from the extension.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnWebKitInitialized;
var
TempExtensionCode : string;
@ -171,6 +187,13 @@ begin
PostMessage(Handle, CEF_AFTERCREATED, 0, 0);
end;
procedure TJSExtensionFrm.Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSExtensionFrm.Chromium1BeforeContextMenu(Sender: TObject;
const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; const model: ICefMenuModel);
@ -193,6 +216,13 @@ begin
Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
end;
procedure TJSExtensionFrm.Chromium1Close(Sender: TObject;
const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSExtensionFrm.Chromium1ContextMenuCommand(Sender: TObject;
const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; commandId: Integer;
@ -255,6 +285,25 @@ begin
end;
end;
procedure TJSExtensionFrm.FormCloseQuery(Sender: TObject;
var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSExtensionFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSExtensionFrm.FormShow(Sender: TObject);
begin
StatusBar1.Panels[0].Text := 'Initializing browser. Please wait...';
@ -314,4 +363,9 @@ begin
GoBtn.Click;
end;
procedure TJSExtensionFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSExtensionWithFunction/uJSExtensionWithFunction.dfm
View File

@ -12,6 +12,8 @@ object JSExtensionWithFunctionFrm: TJSExtensionWithFunctionFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -74,6 +76,8 @@ object JSExtensionWithFunctionFrm: TJSExtensionWithFunctionFrm
OnProcessMessageReceived = Chromium1ProcessMessageReceived
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

55
demos/JavaScript/JSExtensionWithFunction/uJSExtensionWithFunction.pas
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@ -74,8 +74,19 @@ type
procedure Chromium1ProcessMessageReceived(Sender: TObject;
const browser: ICefBrowser; sourceProcess: TCefProcessId;
const message: ICefProcessMessage; out Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
@ -102,6 +113,12 @@ uses
// The HTML file in this demo has a button that shows the contents of 'test.myfunc()'
// which was registered in the GlobalCEFApp.OnWebKitInitialized event.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnWebKitInitializedEvent;
var
TempExtensionCode : string;
@ -135,6 +152,13 @@ begin
PostMessage(Handle, CEF_AFTERCREATED, 0, 0);
end;
procedure TJSExtensionWithFunctionFrm.Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSExtensionWithFunctionFrm.Chromium1BeforePopup(Sender: TObject;
const browser: ICefBrowser; const frame: ICefFrame; const targetUrl,
targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition;
@ -147,6 +171,13 @@ begin
Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
end;
procedure TJSExtensionWithFunctionFrm.Chromium1Close(Sender: TObject;
const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSExtensionWithFunctionFrm.Chromium1ProcessMessageReceived(
Sender: TObject; const browser: ICefBrowser;
sourceProcess: TCefProcessId; const message: ICefProcessMessage;
@ -159,6 +190,25 @@ begin
end
end;
procedure TJSExtensionWithFunctionFrm.FormCloseQuery(Sender: TObject;
var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSExtensionWithFunctionFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSExtensionWithFunctionFrm.FormShow(Sender: TObject);
begin
// GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser
@ -209,4 +259,9 @@ begin
if (aMessage.wParam = 0) and (GlobalCEFApp <> nil) then GlobalCEFApp.OsmodalLoop := False;
end;
procedure TJSExtensionWithFunctionFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSExtensionWithObjectParameter/uJSExtensionWithObjectParameter.dfm
View File

@ -12,6 +12,8 @@ object JSExtensionWithObjectParameterFrm: TJSExtensionWithObjectParameterFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -63,6 +65,8 @@ object JSExtensionWithObjectParameterFrm: TJSExtensionWithObjectParameterFrm
object Chromium1: TChromium
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

55
demos/JavaScript/JSExtensionWithObjectParameter/uJSExtensionWithObjectParameter.pas
View File

@ -70,8 +70,19 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
@ -101,6 +112,12 @@ uses
// This demo is based in the code comments for the cef_register_extension function in the file
// /include/capi/cef_v8_capi.h
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnWebKitInitializedEvent;
var
TempExtensionCode : string;
@ -138,6 +155,13 @@ begin
PostMessage(Handle, CEF_AFTERCREATED, 0, 0);
end;
procedure TJSExtensionWithObjectParameterFrm.Chromium1BeforeClose(
Sender: TObject; const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSExtensionWithObjectParameterFrm.Chromium1BeforePopup(
Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame;
const targetUrl, targetFrameName: ustring;
@ -150,6 +174,32 @@ begin
Result := (targetDisposition in [WOD_NEW_FOREGROUND_TAB, WOD_NEW_BACKGROUND_TAB, WOD_NEW_POPUP, WOD_NEW_WINDOW]);
end;
procedure TJSExtensionWithObjectParameterFrm.Chromium1Close(
Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSExtensionWithObjectParameterFrm.FormCloseQuery(
Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSExtensionWithObjectParameterFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSExtensionWithObjectParameterFrm.FormShow(Sender: TObject);
begin
// GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser
@ -200,4 +250,9 @@ begin
GoBtn.Click;
end;
procedure TJSExtensionWithObjectParameterFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSRTTIExtension/uJSRTTIExtension.dfm
View File

@ -12,6 +12,8 @@ object JSRTTIExtensionFrm: TJSRTTIExtensionFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -76,6 +78,8 @@ object JSRTTIExtensionFrm: TJSRTTIExtensionFrm
OnContextMenuCommand = Chromium1ContextMenuCommand
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

54
demos/JavaScript/JSRTTIExtension/uJSRTTIExtension.pas
View File

@ -90,10 +90,20 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
FText : string;
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure ShowTextViewerMsg(var aMessage : TMessage); message MINIBROWSER_SHOWTEXTVIEWER;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
@ -131,6 +141,12 @@ uses
// Even if you create several TChromium objects you should have no problem because each of them will have its own
// TChromium.OnProcessMessageReceived event to receive the messages from the extension.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnWebKitInitialized;
begin
{$IFDEF DELPHI14_UP}
@ -279,4 +295,42 @@ begin
GoBtn.Click;
end;
procedure TJSRTTIExtensionFrm.Chromium1BeforeClose(
Sender: TObject; const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSRTTIExtensionFrm.Chromium1Close(
Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSRTTIExtensionFrm.FormCloseQuery(
Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSRTTIExtensionFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSRTTIExtensionFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSSimpleExtension/uJSSimpleExtension.dfm
View File

@ -12,6 +12,8 @@ object JSSimpleExtensionFrm: TJSSimpleExtensionFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -63,6 +65,8 @@ object JSSimpleExtensionFrm: TJSSimpleExtensionFrm
object Chromium1: TChromium
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

55
demos/JavaScript/JSSimpleExtension/uJSSimpleExtension.pas
View File

@ -70,8 +70,19 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
@ -98,6 +109,12 @@ uses
// The HTML file in this demo has a button that shows the contents of 'test.myval'
// which was registered in the GlobalCEFApp.OnWebKitInitialized event.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnWebKitInitializedEvent;
var
TempExtensionCode : string;
@ -187,4 +204,42 @@ begin
if (aMessage.wParam = 0) and (GlobalCEFApp <> nil) then GlobalCEFApp.OsmodalLoop := False;
end;
procedure TJSSimpleExtensionFrm.Chromium1BeforeClose(
Sender: TObject; const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSSimpleExtensionFrm.Chromium1Close(
Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSSimpleExtensionFrm.FormCloseQuery(
Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSSimpleExtensionFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSSimpleExtensionFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSSimpleWindowBinding/uJSSimpleWindowBinding.dfm
View File

@ -12,6 +12,8 @@ object JSSimpleWindowBindingFrm: TJSSimpleWindowBindingFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -63,6 +65,8 @@ object JSSimpleWindowBindingFrm: TJSSimpleWindowBindingFrm
object Chromium1: TChromium
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

55
demos/JavaScript/JSSimpleWindowBinding/uJSSimpleWindowBinding.pas
View File

@ -71,8 +71,19 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
@ -96,6 +107,12 @@ implementation
// The HTML file in this demo has a button that shows the contents of 'window.myval'
// which was set in the GlobalCEFApp.OnContextCreated event.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnContextCreated(const browser: ICefBrowser; const frame: ICefFrame; const context: ICefv8Context);
var
TempValue : ICEFv8Value;
@ -180,4 +197,42 @@ begin
if (aMessage.wParam = 0) and (GlobalCEFApp <> nil) then GlobalCEFApp.OsmodalLoop := False;
end;
procedure TJSSimpleWindowBindingFrm.Chromium1BeforeClose(
Sender: TObject; const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSSimpleWindowBindingFrm.Chromium1Close(
Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSSimpleWindowBindingFrm.FormCloseQuery(
Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSSimpleWindowBindingFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSSimpleWindowBindingFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSWindowBindingSubProcess/uJSSimpleWindowBinding.dfm
View File

@ -12,6 +12,8 @@ object JSSimpleWindowBindingFrm: TJSSimpleWindowBindingFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -63,6 +65,8 @@ object JSSimpleWindowBindingFrm: TJSSimpleWindowBindingFrm
object Chromium1: TChromium
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

56
demos/JavaScript/JSWindowBindingSubProcess/uJSSimpleWindowBinding.pas
View File

@ -71,8 +71,20 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
FText : string;
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
@ -94,6 +106,12 @@ implementation
// The HTML file in this demo has a button that shows the contents of 'window.myval'
// which was set in the GlobalCEFApp.OnContextCreated event.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure TJSSimpleWindowBindingFrm.GoBtnClick(Sender: TObject);
begin
Chromium1.LoadURL(Edit1.Text);
@ -166,4 +184,42 @@ begin
if (aMessage.wParam = 0) and (GlobalCEFApp <> nil) then GlobalCEFApp.OsmodalLoop := False;
end;
procedure TJSSimpleWindowBindingFrm.Chromium1BeforeClose(
Sender: TObject; const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSSimpleWindowBindingFrm.Chromium1Close(
Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSSimpleWindowBindingFrm.FormCloseQuery(
Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSSimpleWindowBindingFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSSimpleWindowBindingFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSWindowBindingWithFunction/uJSWindowBindingWithFunction.dfm
View File

@ -12,6 +12,8 @@ object JSWindowBindingWithFunctionFrm: TJSWindowBindingWithFunctionFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -63,6 +65,8 @@ object JSWindowBindingWithFunctionFrm: TJSWindowBindingWithFunctionFrm
object Chromium1: TChromium
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

55
demos/JavaScript/JSWindowBindingWithFunction/uJSWindowBindingWithFunction.pas
View File

@ -70,8 +70,19 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
@ -98,6 +109,12 @@ uses
// The HTML file in this demo has a button that shows the result of 'window.myfunc()'
// which was set in the GlobalCEFApp.OnContextCreated event.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnContextCreated(const browser: ICefBrowser; const frame: ICefFrame; const context: ICefv8Context);
var
TempHandler : ICefv8Handler;
@ -184,4 +201,42 @@ begin
if (aMessage.wParam = 0) and (GlobalCEFApp <> nil) then GlobalCEFApp.OsmodalLoop := False;
end;
procedure TJSWindowBindingWithFunctionFrm.Chromium1BeforeClose(
Sender: TObject; const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSWindowBindingWithFunctionFrm.Chromium1Close(
Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSWindowBindingWithFunctionFrm.FormCloseQuery(
Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSWindowBindingWithFunctionFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSWindowBindingWithFunctionFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.

4
demos/JavaScript/JSWindowBindingWithObject/uJSWindowBindingWithObject.dfm
View File

@ -12,6 +12,8 @@ object JSWindowBindingWithObjectFrm: TJSWindowBindingWithObjectFrm
Font.Style = []
OldCreateOrder = False
Position = poScreenCenter
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnShow = FormShow
PixelsPerInch = 96
TextHeight = 13
@ -63,6 +65,8 @@ object JSWindowBindingWithObjectFrm: TJSWindowBindingWithObjectFrm
object Chromium1: TChromium
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 32
Top = 224
end

55
demos/JavaScript/JSWindowBindingWithObject/uJSWindowBindingWithObject.pas
View File

@ -70,8 +70,19 @@ type
const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo;
var client: ICefClient; var settings: TCefBrowserSettings;
var noJavascriptAccess: Boolean; var Result: Boolean);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
out Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject;
const browser: ICefBrowser);
protected
// Variables to control when can we destroy the form safely
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosing : boolean; // Set to True in the CloseQuery event.
procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
@ -98,6 +109,12 @@ uses
// The HTML file in this demo has a button that shows the contents of 'window.myobj.myval'
// which was set in the GlobalCEFApp.OnContextCreated event.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure GlobalCEFApp_OnContextCreated(const browser: ICefBrowser; const frame: ICefFrame; const context: ICefv8Context);
var
TempAccessor : ICefV8Accessor;
@ -185,4 +202,42 @@ begin
if (aMessage.wParam = 0) and (GlobalCEFApp <> nil) then GlobalCEFApp.OsmodalLoop := False;
end;
procedure TJSWindowBindingWithObjectFrm.Chromium1BeforeClose(
Sender: TObject; const browser: ICefBrowser);
begin
FCanClose := True;
PostMessage(Handle, WM_CLOSE, 0, 0);
end;
procedure TJSWindowBindingWithObjectFrm.Chromium1Close(
Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
begin
PostMessage(Handle, CEF_DESTROY, 0, 0);
Result := True;
end;
procedure TJSWindowBindingWithObjectFrm.FormCloseQuery(
Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TJSWindowBindingWithObjectFrm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
end;
procedure TJSWindowBindingWithObjectFrm.BrowserDestroyMsg(var aMessage : TMessage);
begin
CEFWindowParent1.Free;
end;
end.