mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-24 08:02:15 +02:00
842 lines
29 KiB
ObjectPascal
842 lines
29 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 © 2019 Salvador Diaz 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 uCEFClient;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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{$I cef.inc}
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interface
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uses
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefClientRef = class(TCefBaseRefCountedRef, ICefClient)
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protected
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procedure GetAudioHandler(var aHandler : ICefAudioHandler); virtual;
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procedure GetContextMenuHandler(var aHandler : ICefContextMenuHandler); virtual;
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procedure GetDialogHandler(var aHandler : ICefDialogHandler); virtual;
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procedure GetDisplayHandler(var aHandler : ICefDisplayHandler); virtual;
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procedure GetDownloadHandler(var aHandler : ICefDownloadHandler); virtual;
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procedure GetDragHandler(var aHandler : ICefDragHandler); virtual;
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procedure GetFindHandler(var aHandler : ICefFindHandler); virtual;
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procedure GetFocusHandler(var aHandler : ICefFocusHandler); virtual;
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procedure GetJsdialogHandler(var aHandler : ICefJsdialogHandler); virtual;
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procedure GetKeyboardHandler(var aHandler : ICefKeyboardHandler); virtual;
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procedure GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler); virtual;
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procedure GetLoadHandler(var aHandler : ICefLoadHandler); virtual;
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procedure GetRenderHandler(var aHandler : ICefRenderHandler); virtual;
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procedure GetRequestHandler(var aHandler : ICefRequestHandler); virtual;
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function OnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const message_ : ICefProcessMessage): Boolean; virtual;
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procedure RemoveReferences; virtual;
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public
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class function UnWrap(data: Pointer): ICefClient;
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end;
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TCefClientOwn = class(TCefBaseRefCountedOwn, ICefClient)
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protected
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procedure GetAudioHandler(var aHandler : ICefAudioHandler); virtual;
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procedure GetContextMenuHandler(var aHandler : ICefContextMenuHandler); virtual;
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procedure GetDialogHandler(var aHandler : ICefDialogHandler); virtual;
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procedure GetDisplayHandler(var aHandler : ICefDisplayHandler); virtual;
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procedure GetDownloadHandler(var aHandler : ICefDownloadHandler); virtual;
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procedure GetDragHandler(var aHandler : ICefDragHandler); virtual;
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procedure GetFindHandler(var aHandler : ICefFindHandler); virtual;
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procedure GetFocusHandler(var aHandler : ICefFocusHandler); virtual;
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procedure GetJsdialogHandler(var aHandler : ICefJsdialogHandler); virtual;
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procedure GetKeyboardHandler(var aHandler : ICefKeyboardHandler); virtual;
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procedure GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler); virtual;
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procedure GetLoadHandler(var aHandler : ICefLoadHandler); virtual;
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procedure GetRenderHandler(var aHandler : ICefRenderHandler); virtual;
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procedure GetRequestHandler(var aHandler : ICefRequestHandler); virtual;
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function OnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const message_ : ICefProcessMessage): Boolean; virtual;
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procedure RemoveReferences; virtual;
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public
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constructor Create; virtual;
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end;
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TCustomClientHandler = class(TCefClientOwn)
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protected
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FEvents : Pointer;
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FLoadHandler : ICefLoadHandler;
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FFocusHandler : ICefFocusHandler;
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FContextMenuHandler : ICefContextMenuHandler;
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FDialogHandler : ICefDialogHandler;
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FKeyboardHandler : ICefKeyboardHandler;
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FDisplayHandler : ICefDisplayHandler;
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FDownloadHandler : ICefDownloadHandler;
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FJsDialogHandler : ICefJsDialogHandler;
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FLifeSpanHandler : ICefLifeSpanHandler;
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FRenderHandler : ICefRenderHandler;
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FRequestHandler : ICefRequestHandler;
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FDragHandler : ICefDragHandler;
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FFindHandler : ICefFindHandler;
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FAudioHandler : ICefAudioHandler;
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procedure GetAudioHandler(var aHandler : ICefAudioHandler); override;
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procedure GetContextMenuHandler(var aHandler : ICefContextMenuHandler); override;
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procedure GetDialogHandler(var aHandler : ICefDialogHandler); override;
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procedure GetDisplayHandler(var aHandler : ICefDisplayHandler); override;
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procedure GetDownloadHandler(var aHandler : ICefDownloadHandler); override;
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procedure GetDragHandler(var aHandler : ICefDragHandler); override;
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procedure GetFindHandler(var aHandler : ICefFindHandler); override;
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procedure GetFocusHandler(var aHandler : ICefFocusHandler); override;
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procedure GetJsdialogHandler(var aHandler : ICefJsdialogHandler); override;
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procedure GetKeyboardHandler(var aHandler : ICefKeyboardHandler); override;
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procedure GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler); override;
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procedure GetLoadHandler(var aHandler : ICefLoadHandler); override;
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procedure GetRenderHandler(var aHandler : ICefRenderHandler); override;
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procedure GetRequestHandler(var aHandler : ICefRequestHandler); override;
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function OnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const message_ : ICefProcessMessage): Boolean; override;
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procedure InitializeVars;
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public
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constructor Create(const events: IChromiumEvents;
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aCreateLoadHandler, aCreateFocusHandler, aCreateContextMenuHandler, aCreateDialogHandler,
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aCreateKeyboardHandler, aCreateDisplayHandler, aCreateDownloadHandler, aCreateJsDialogHandler,
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aCreateLifeSpanHandler, aCreateRenderHandler, aCreateRequestHandler, aCreateDragHandler,
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aCreateFindHandler, aCreateAudioHandler : boolean); reintroduce; virtual;
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procedure BeforeDestruction; override;
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procedure RemoveReferences; override;
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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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uCEFMiscFunctions, uCEFLibFunctions, uCEFProcessMessage, uCEFBrowser, uCEFLoadHandler,
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uCEFFocusHandler, uCEFContextMenuHandler, uCEFDialogHandler, uCEFKeyboardHandler,
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uCEFDisplayHandler, uCEFDownloadHandler, uCEFJsDialogHandler,
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uCEFLifeSpanHandler, uCEFRequestHandler, uCEFRenderHandler, uCEFDragHandler,
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uCEFFindHandler, uCEFAudioHandler, uCEFConstants, uCEFApplication, uCEFFrame;
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// ******************************************************
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// ****************** TCefClientRef *********************
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// ******************************************************
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class function TCefClientRef.UnWrap(data: Pointer): ICefClient;
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begin
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if (data <> nil) then
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Result := Create(data) as ICefClient
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else
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Result := nil;
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end;
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procedure TCefClientRef.GetAudioHandler(var aHandler : ICefAudioHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetContextMenuHandler(var aHandler : ICefContextMenuHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetDialogHandler(var aHandler : ICefDialogHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetDisplayHandler(var aHandler : ICefDisplayHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetDownloadHandler(var aHandler : ICefDownloadHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetDragHandler(var aHandler : ICefDragHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetFindHandler(var aHandler : ICefFindHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetFocusHandler(var aHandler : ICefFocusHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetJsdialogHandler(var aHandler : ICefJsDialogHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetKeyboardHandler(var aHandler : ICefKeyboardHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetLoadHandler(var aHandler : ICefLoadHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetRenderHandler(var aHandler : ICefRenderHandler);
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begin
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aHandler := nil;
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end;
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procedure TCefClientRef.GetRequestHandler(var aHandler : ICefRequestHandler);
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begin
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aHandler := nil;
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end;
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function TCefClientRef.OnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const message_ : ICefProcessMessage): Boolean;
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begin
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Result := False;
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end;
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procedure TCefClientRef.RemoveReferences;
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begin
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//
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end;
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// ******************************************************
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// ****************** TCefClientOwn *********************
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// ******************************************************
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function cef_client_own_get_audio_handler(self: PCefClient): PCefAudioHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefAudioHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetAudioHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_context_menu_handler(self: PCefClient): PCefContextMenuHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefContextMenuHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetContextMenuHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_dialog_handler(self: PCefClient): PCefDialogHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefDialogHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetDialogHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_display_handler(self: PCefClient): PCefDisplayHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefDisplayHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetDisplayHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_download_handler(self: PCefClient): PCefDownloadHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefDownloadHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetDownloadHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_drag_handler(self: PCefClient): PCefDragHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefDragHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetDragHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_find_handler(self: PCefClient): PCefFindHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefFindHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetFindHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_focus_handler(self: PCefClient): PCefFocusHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefFocusHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetFocusHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_jsdialog_handler(self: PCefClient): PCefJsDialogHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefJsDialogHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetJsdialogHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_keyboard_handler(self: PCefClient): PCefKeyboardHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefKeyboardHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetKeyboardHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_life_span_handler(self: PCefClient): PCefLifeSpanHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefLifeSpanHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetLifeSpanHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_load_handler(self: PCefClient): PCefLoadHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefLoadHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetLoadHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_get_render_handler(self: PCefClient): PCefRenderHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefRenderHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetRenderHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_get_request_handler(self: PCefClient): PCefRequestHandler; stdcall;
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var
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TempObject : TObject;
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TempHandler : ICefRequestHandler;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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try
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TCefClientOwn(TempObject).GetRequestHandler(TempHandler);
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if (TempHandler <> nil) then Result := TempHandler.Wrap;
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finally
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TempHandler := nil;
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end;
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end;
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function cef_client_own_on_process_message_received(self : PCefClient;
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browser : PCefBrowser;
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frame : PCefFrame;
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source_process : TCefProcessId;
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message_ : PCefProcessMessage): Integer; stdcall;
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var
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TempObject : TObject;
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begin
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Result := Ord(False);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefClientOwn) then
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Result := Ord(TCefClientOwn(TempObject).OnProcessMessageReceived(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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source_process,
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TCefProcessMessageRef.UnWrap(message_)));
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end;
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constructor TCefClientOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefClient));
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|
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with PCefClient(FData)^ do
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begin
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get_audio_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_audio_handler;
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get_context_menu_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_context_menu_handler;
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|
get_dialog_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_dialog_handler;
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|
get_display_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_display_handler;
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|
get_download_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_download_handler;
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|
get_drag_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_drag_handler;
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|
get_find_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_find_handler;
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|
get_focus_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_focus_handler;
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|
get_jsdialog_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_jsdialog_handler;
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|
get_keyboard_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_keyboard_handler;
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|
get_life_span_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_life_span_handler;
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|
get_load_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_load_handler;
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|
get_render_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_get_render_handler;
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|
get_request_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_request_handler;
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|
on_process_message_received := {$IFDEF FPC}@{$ENDIF}cef_client_own_on_process_message_received;
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|
end;
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|
end;
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|
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procedure TCefClientOwn.GetAudioHandler(var aHandler : ICefAudioHandler);
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|
begin
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aHandler := nil;
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|
end;
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|
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|
procedure TCefClientOwn.GetContextMenuHandler(var aHandler : ICefContextMenuHandler);
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|
begin
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|
aHandler := nil;
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|
end;
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|
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|
procedure TCefClientOwn.GetDialogHandler(var aHandler : ICefDialogHandler);
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|
begin
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|
aHandler := nil;
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|
end;
|
|
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|
procedure TCefClientOwn.GetDisplayHandler(var aHandler : ICefDisplayHandler);
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|
begin
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|
aHandler := nil;
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|
end;
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|
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|
procedure TCefClientOwn.GetDownloadHandler(var aHandler : ICefDownloadHandler);
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|
begin
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|
aHandler := nil;
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|
end;
|
|
|
|
procedure TCefClientOwn.GetDragHandler(var aHandler : ICefDragHandler);
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|
begin
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|
aHandler := nil;
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|
end;
|
|
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|
procedure TCefClientOwn.GetFindHandler(var aHandler : ICefFindHandler);
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|
begin
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|
aHandler := nil;
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|
end;
|
|
|
|
procedure TCefClientOwn.GetFocusHandler(var aHandler : ICefFocusHandler);
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|
begin
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|
aHandler := nil;
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|
end;
|
|
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|
procedure TCefClientOwn.GetJsdialogHandler(var aHandler : ICefJsDialogHandler);
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|
begin
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|
aHandler := nil;
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|
end;
|
|
|
|
procedure TCefClientOwn.GetKeyboardHandler(var aHandler : ICefKeyboardHandler);
|
|
begin
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|
aHandler := nil;
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|
end;
|
|
|
|
procedure TCefClientOwn.GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler);
|
|
begin
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|
aHandler := nil;
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|
end;
|
|
|
|
procedure TCefClientOwn.GetLoadHandler(var aHandler : ICefLoadHandler);
|
|
begin
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|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCefClientOwn.GetRenderHandler(var aHandler : ICefRenderHandler);
|
|
begin
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCefClientOwn.GetRequestHandler(var aHandler : ICefRequestHandler);
|
|
begin
|
|
aHandler := nil;
|
|
end;
|
|
|
|
function TCefClientOwn.OnProcessMessageReceived(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
sourceProcess : TCefProcessId;
|
|
const message_ : ICefProcessMessage): Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
procedure TCefClientOwn.RemoveReferences;
|
|
begin
|
|
//
|
|
end;
|
|
|
|
|
|
// ******************************************************
|
|
// *************** TCustomClientHandler *****************
|
|
// ******************************************************
|
|
|
|
|
|
constructor TCustomClientHandler.Create(const events : IChromiumEvents;
|
|
aCreateLoadHandler : boolean;
|
|
aCreateFocusHandler : boolean;
|
|
aCreateContextMenuHandler : boolean;
|
|
aCreateDialogHandler : boolean;
|
|
aCreateKeyboardHandler : boolean;
|
|
aCreateDisplayHandler : boolean;
|
|
aCreateDownloadHandler : boolean;
|
|
aCreateJsDialogHandler : boolean;
|
|
aCreateLifeSpanHandler : boolean;
|
|
aCreateRenderHandler : boolean;
|
|
aCreateRequestHandler : boolean;
|
|
aCreateDragHandler : boolean;
|
|
aCreateFindHandler : boolean;
|
|
aCreateAudioHandler : boolean);
|
|
begin
|
|
inherited Create;
|
|
|
|
InitializeVars;
|
|
|
|
FEvents := Pointer(events);
|
|
|
|
if (FEvents <> nil) then
|
|
begin
|
|
if aCreateLoadHandler then FLoadHandler := TCustomLoadHandler.Create(FEvents);
|
|
if aCreateFocusHandler then FFocusHandler := TCustomFocusHandler.Create(FEvents);
|
|
if aCreateContextMenuHandler then FContextMenuHandler := TCustomContextMenuHandler.Create(FEvents);
|
|
if aCreateDialogHandler then FDialogHandler := TCustomDialogHandler.Create(FEvents);
|
|
if aCreateKeyboardHandler then FKeyboardHandler := TCustomKeyboardHandler.Create(FEvents);
|
|
if aCreateDisplayHandler then FDisplayHandler := TCustomDisplayHandler.Create(FEvents);
|
|
if aCreateDownloadHandler then FDownloadHandler := TCustomDownloadHandler.Create(FEvents);
|
|
if aCreateJsDialogHandler then FJsDialogHandler := TCustomJsDialogHandler.Create(FEvents);
|
|
if aCreateLifeSpanHandler then FLifeSpanHandler := TCustomLifeSpanHandler.Create(FEvents);
|
|
if aCreateRenderHandler then FRenderHandler := TCustomRenderHandler.Create(FEvents);
|
|
if aCreateRequestHandler then FRequestHandler := TCustomRequestHandler.Create(FEvents);
|
|
if aCreateDragHandler then FDragHandler := TCustomDragHandler.Create(FEvents);
|
|
if aCreateFindHandler then FFindHandler := TCustomFindHandler.Create(FEvents);
|
|
if aCreateAudioHandler then FAudioHandler := TCustomAudioHandler.Create(FEvents);
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.BeforeDestruction;
|
|
begin
|
|
InitializeVars;
|
|
|
|
inherited BeforeDestruction;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.RemoveReferences;
|
|
begin
|
|
FEvents := nil;
|
|
|
|
if (FLoadHandler <> nil) then FLoadHandler.RemoveReferences;
|
|
if (FFocusHandler <> nil) then FFocusHandler.RemoveReferences;
|
|
if (FContextMenuHandler <> nil) then FContextMenuHandler.RemoveReferences;
|
|
if (FDialogHandler <> nil) then FDialogHandler.RemoveReferences;
|
|
if (FKeyboardHandler <> nil) then FKeyboardHandler.RemoveReferences;
|
|
if (FDisplayHandler <> nil) then FDisplayHandler.RemoveReferences;
|
|
if (FDownloadHandler <> nil) then FDownloadHandler.RemoveReferences;
|
|
if (FJsDialogHandler <> nil) then FJsDialogHandler.RemoveReferences;
|
|
if (FLifeSpanHandler <> nil) then FLifeSpanHandler.RemoveReferences;
|
|
if (FRequestHandler <> nil) then FRequestHandler.RemoveReferences;
|
|
if (FRenderHandler <> nil) then FRenderHandler.RemoveReferences;
|
|
if (FDragHandler <> nil) then FDragHandler.RemoveReferences;
|
|
if (FFindHandler <> nil) then FFindHandler.RemoveReferences;
|
|
if (FAudioHandler <> nil) then FAudioHandler.RemoveReferences;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.InitializeVars;
|
|
begin
|
|
FLoadHandler := nil;
|
|
FFocusHandler := nil;
|
|
FContextMenuHandler := nil;
|
|
FDialogHandler := nil;
|
|
FKeyboardHandler := nil;
|
|
FDisplayHandler := nil;
|
|
FDownloadHandler := nil;
|
|
FJsDialogHandler := nil;
|
|
FLifeSpanHandler := nil;
|
|
FRequestHandler := nil;
|
|
FRenderHandler := nil;
|
|
FDragHandler := nil;
|
|
FFindHandler := nil;
|
|
FAudioHandler := nil;
|
|
FEvents := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetAudioHandler(var aHandler : ICefAudioHandler);
|
|
begin
|
|
if (FAudioHandler <> nil) then
|
|
aHandler := FAudioHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetContextMenuHandler(var aHandler : ICefContextMenuHandler);
|
|
begin
|
|
if (FContextMenuHandler <> nil) then
|
|
aHandler := FContextMenuHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetDialogHandler(var aHandler : ICefDialogHandler);
|
|
begin
|
|
if (FDialogHandler <> nil) then
|
|
aHandler := FDialogHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetDisplayHandler(var aHandler : ICefDisplayHandler);
|
|
begin
|
|
if (FDisplayHandler <> nil) then
|
|
aHandler := FDisplayHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetDownloadHandler(var aHandler : ICefDownloadHandler);
|
|
begin
|
|
if (FDownloadHandler <> nil) then
|
|
aHandler := FDownloadHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetDragHandler(var aHandler : ICefDragHandler);
|
|
begin
|
|
if (FDragHandler <> nil) then
|
|
aHandler := FDragHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetFindHandler(var aHandler : ICefFindHandler);
|
|
begin
|
|
if (FFindHandler <> nil) then
|
|
aHandler := FFindHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetFocusHandler(var aHandler : ICefFocusHandler);
|
|
begin
|
|
if (FFocusHandler <> nil) then
|
|
aHandler := FFocusHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetJsdialogHandler(var aHandler : ICefJsDialogHandler);
|
|
begin
|
|
if (FJsDialogHandler <> nil) then
|
|
aHandler := FJsDialogHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetKeyboardHandler(var aHandler : ICefKeyboardHandler);
|
|
begin
|
|
if (FKeyboardHandler <> nil) then
|
|
aHandler := FKeyboardHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler);
|
|
begin
|
|
if (FLifeSpanHandler <> nil) then
|
|
aHandler := FLifeSpanHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetLoadHandler(var aHandler : ICefLoadHandler);
|
|
begin
|
|
if (FLoadHandler <> nil) then
|
|
aHandler := FLoadHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetRenderHandler(var aHandler : ICefRenderHandler);
|
|
begin
|
|
if (FRenderHandler <> nil) then
|
|
aHandler := FRenderHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
procedure TCustomClientHandler.GetRequestHandler(var aHandler : ICefRequestHandler);
|
|
begin
|
|
if (FRequestHandler <> nil) then
|
|
aHandler := FRequestHandler
|
|
else
|
|
aHandler := nil;
|
|
end;
|
|
|
|
function TCustomClientHandler.OnProcessMessageReceived(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
sourceProcess : TCefProcessId;
|
|
const message_ : ICefProcessMessage): Boolean;
|
|
begin
|
|
if (FEvents <> nil) then
|
|
Result := IChromiumEvents(FEvents).doOnProcessMessageReceived(browser, frame, sourceProcess, message_)
|
|
else
|
|
Result := inherited OnProcessMessageReceived(browser, frame, sourceProcess, message_);
|
|
end;
|
|
|
|
end.
|