mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-15 15:55:56 +01:00
6178ab49a5
MiniBrowser : Addition of a preferences form, replacement of URLEdt by URLCbx, addition of a custom scheme TCEFApplication : Addition of 3 new properties : EnableSpellingService, EnableMediaStream, EnableSpeechInput TCEFChromium : Renamed internal procedures, addition of UppdatePreferences and SavePreferences procedures, more checks in doOnBeforeClose and doOnClose. TCefChromiumWindow : WebBrowser_OnClose returns False by default
152 lines
4.1 KiB
ObjectPascal
152 lines
4.1 KiB
ObjectPascal
// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
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// browser in Delphi applications.
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//
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// The original license of DCEF3 still applies to CEF4Delphi.
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//
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// For more information about CEF4Delphi visit :
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// https://www.briskbard.com/index.php?lang=en&pageid=cef
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//
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// Copyright © 2017 Salvador Díaz Fau. All rights reserved.
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//
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// ************************************************************************
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// ************ vvvv Original license and comments below vvvv *************
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// ************************************************************************
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(*
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* Delphi Chromium Embedded 3
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*
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* Usage allowed under the restrictions of the Lesser GNU General Public License
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* or alternatively the restrictions of the Mozilla Public License 1.1
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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* the specific language governing rights and limitations under the License.
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*
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* Unit owner : Henri Gourvest <hgourvest@gmail.com>
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* Web site : http://www.progdigy.com
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* Repository : http://code.google.com/p/delphichromiumembedded/
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* Group : http://groups.google.com/group/delphichromiumembedded
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*
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* Embarcadero Technologies, Inc is not permitted to use or redistribute
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* this source code without explicit permission.
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*
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*)
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unit uCEFChromiumWindow;
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{$IFNDEF CPUX64}
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{$ALIGN ON}
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{$MINENUMSIZE 4}
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{$ENDIF}
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{$I cef.inc}
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interface
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uses
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{$IFDEF DELPHI16_UP}
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WinApi.Windows, System.Classes, WinApi.Messages,
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{$ELSE}
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Windows, Classes, Messages,
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{$ENDIF}
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uCEFWindowParent, uCEFChromium, uCEFInterfaces, uCEFConstants;
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type
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TChromiumWindow = class(TCEFWindowParent)
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protected
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FChromium : TChromium;
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FOnClose : TNotifyEvent;
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function GetChildWindowHandle : THandle; override;
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procedure OnCloseMsg(var aMessage : TMessage); message CEF_DOONCLOSE;
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procedure WebBrowser_OnClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
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public
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constructor Create(AOwner: TComponent); override;
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procedure AfterConstruction; override;
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procedure CreateBrowser;
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procedure CloseBrowser(aForceClose : boolean);
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procedure LoadURL(const aURL : string);
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property ChromiumBrowser : TChromium read FChromium;
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published
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property OnClose : TNotifyEvent read FOnClose write FOnClose;
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end;
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implementation
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uses
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{$IFDEF DELPHI16_UP}
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System.SysUtils;
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{$ELSE}
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SysUtils;
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{$ENDIF}
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constructor TChromiumWindow.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FChromium := nil;
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FOnClose := nil;
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end;
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procedure TChromiumWindow.AfterConstruction;
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begin
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inherited AfterConstruction;
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if not(csDesigning in ComponentState) then
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begin
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FChromium := TChromium.Create(self);
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FChromium.OnClose := WebBrowser_OnClose;
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end;
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end;
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function TChromiumWindow.GetChildWindowHandle : THandle;
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begin
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if (FChromium <> nil) then
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Result := FChromium.WindowHandle
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else
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Result := 0;
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end;
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procedure TChromiumWindow.WebBrowser_OnClose(Sender: TObject; const browser: ICefBrowser; out Result: Boolean);
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begin
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if assigned(FOnClose) then
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begin
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PostMessage(self.Handle, CEF_DOONCLOSE, 0, 0);
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Result := True;
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end
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else
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Result := False;
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end;
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procedure TChromiumWindow.OnCloseMsg(var aMessage : TMessage);
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begin
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if assigned(FOnClose) then FOnClose(self);
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end;
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procedure TChromiumWindow.CreateBrowser;
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begin
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if not(csDesigning in ComponentState) and (FChromium <> nil) then
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FChromium.CreateBrowser(self, '');
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end;
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procedure TChromiumWindow.CloseBrowser(aForceClose : boolean);
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begin
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if (FChromium <> nil) then FChromium.CloseBrowser(aForceClose);
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end;
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procedure TChromiumWindow.LoadURL(const aURL : string);
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begin
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if not(csDesigning in ComponentState) and (FChromium <> nil) then
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FChromium.LoadURL(aURL);
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end;
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end.
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