mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-12-14 09:42:54 +02:00
8f1b88bac9
Fixed issue #335
685 lines
14 KiB
ObjectPascal
685 lines
14 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 CEF 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 © 2021 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 uCEFTask;
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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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TCefTaskOwn = class(TCefBaseRefCountedOwn, ICefTask)
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protected
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procedure Execute; virtual;
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public
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constructor Create; virtual;
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end;
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TCefTaskRef = class(TCefBaseRefCountedRef, ICefTask)
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protected
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procedure Execute; virtual;
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public
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class function UnWrap(data: Pointer): ICefTask;
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end;
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TCefFastTask = class(TCefTaskOwn)
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protected
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FMethod: TCefFastTaskProc;
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procedure Execute; override;
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public
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class procedure New(threadId: TCefThreadId; const method: TCefFastTaskProc);
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class procedure NewDelayed(threadId: TCefThreadId; Delay: Int64; const method: TCefFastTaskProc);
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constructor Create(const method: TCefFastTaskProc); reintroduce;
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end;
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TCefUpdatePrefsTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents); reintroduce;
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destructor Destroy; override;
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end;
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TCefSavePrefsTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents); reintroduce;
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destructor Destroy; override;
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end;
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TCefURLRequestTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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procedure Execute; override;
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public
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constructor Create(const aEvents : ICEFUrlRequestClientEvents); reintroduce;
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destructor Destroy; override;
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end;
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TCefGenericTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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FTaskID : cardinal;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents; aTaskID : cardinal); reintroduce;
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destructor Destroy; override;
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end;
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TCefUpdateZoomStepTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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FInc : boolean;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents; aInc : boolean); reintroduce;
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destructor Destroy; override;
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end;
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TCefUpdateZoomPctTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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FInc : boolean;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents; aInc : boolean); reintroduce;
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destructor Destroy; override;
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end;
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TCefReadZoomTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents); reintroduce;
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destructor Destroy; override;
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end;
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TCefSetZoomLevelTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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FValue : double;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents; const aValue : double); reintroduce;
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destructor Destroy; override;
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end;
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TCefSetZoomPctTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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FValue : double;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents; const aValue : double); reintroduce;
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destructor Destroy; override;
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end;
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TCefSetZoomStepTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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FValue : byte;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents; aValue : byte); reintroduce;
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destructor Destroy; override;
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end;
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TCefCreateCustomViewTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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procedure Execute; override;
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public
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constructor Create(const aEvents : ICefViewDelegateEvents); reintroduce;
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destructor Destroy; override;
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end;
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TCefBrowserNavigationTask = class(TCefTaskOwn)
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protected
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FEvents : Pointer;
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FTask : TCefBrowserNavigation;
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procedure Execute; override;
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public
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constructor Create(const aEvents : IChromiumEvents; aTask : TCefBrowserNavigation); reintroduce;
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destructor Destroy; 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, uCEFCookieManager, uCEFUrlRequest;
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procedure cef_task_execute(self: PCefTask); stdcall;
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var
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TempObject : TObject;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefTaskOwn) then
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TCefTaskOwn(TempObject).Execute;
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end;
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constructor TCefTaskOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefTask));
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PCefTask(FData)^.execute := {$IFDEF FPC}@{$ENDIF}cef_task_execute;
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end;
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procedure TCefTaskOwn.Execute;
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begin
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//
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end;
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// TCefTaskRef
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procedure TCefTaskRef.Execute;
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begin
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PCefTask(FData)^.execute(PCefTask(FData));
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end;
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class function TCefTaskRef.UnWrap(data: Pointer): ICefTask;
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begin
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if (data <> nil) then
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Result := Create(data) as ICefTask
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else
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Result := nil;
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end;
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// TCefFastTask
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constructor TCefFastTask.Create(const method: TCefFastTaskProc);
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begin
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inherited Create;
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FMethod := method;
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end;
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procedure TCefFastTask.Execute;
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begin
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FMethod();
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end;
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class procedure TCefFastTask.New(threadId: TCefThreadId; const method: TCefFastTaskProc);
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begin
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CefPostTask(threadId, Create(method));
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end;
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class procedure TCefFastTask.NewDelayed(threadId: TCefThreadId; Delay: Int64; const method: TCefFastTaskProc);
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begin
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CefPostDelayedTask(threadId, Create(method), Delay);
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end;
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// TCefUpdatePrefsTask
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constructor TCefUpdatePrefsTask.Create(const aEvents : IChromiumEvents);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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end;
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destructor TCefUpdatePrefsTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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procedure TCefUpdatePrefsTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doUpdateOwnPreferences;
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except
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on e : exception do
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if CustomExceptionHandler('TCefUpdatePrefsTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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// TCefSavePrefsTask
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constructor TCefSavePrefsTask.Create(const aEvents : IChromiumEvents);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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end;
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destructor TCefSavePrefsTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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procedure TCefSavePrefsTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doSavePreferences;
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except
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on e : exception do
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if CustomExceptionHandler('TCefSavePrefsTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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// TCefURLRequestTask
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procedure TCefURLRequestTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then ICEFUrlRequestClientEvents(FEvents).doOnCreateURLRequest;
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except
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on e : exception do
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if CustomExceptionHandler('TCefURLRequestTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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constructor TCefURLRequestTask.Create(const aEvents : ICEFUrlRequestClientEvents);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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end;
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destructor TCefURLRequestTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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// TCefGenericTask
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procedure TCefGenericTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doOnExecuteTaskOnCefThread(FTaskID);
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except
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on e : exception do
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if CustomExceptionHandler('TCefGenericTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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constructor TCefGenericTask.Create(const aEvents : IChromiumEvents; aTaskID : cardinal);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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FTaskID := aTaskID;
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end;
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destructor TCefGenericTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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// TCefUpdateZoomStepTask
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procedure TCefUpdateZoomStepTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doUpdateZoomStep(FInc);
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except
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on e : exception do
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if CustomExceptionHandler('TCefUpdateZoomStepTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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constructor TCefUpdateZoomStepTask.Create(const aEvents : IChromiumEvents; aInc : boolean);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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FInc := aInc;
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end;
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destructor TCefUpdateZoomStepTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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// TCefUpdateZoomPctTask
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procedure TCefUpdateZoomPctTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doUpdateZoomPct(FInc);
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except
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on e : exception do
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if CustomExceptionHandler('TCefUpdateZoomPctTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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constructor TCefUpdateZoomPctTask.Create(const aEvents : IChromiumEvents; aInc : boolean);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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FInc := aInc;
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end;
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destructor TCefUpdateZoomPctTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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// TCefReadZoomTask
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procedure TCefReadZoomTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doReadZoom;
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except
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on e : exception do
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if CustomExceptionHandler('TCefReadZoomTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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constructor TCefReadZoomTask.Create(const aEvents : IChromiumEvents);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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end;
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destructor TCefReadZoomTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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// TCefSetZoomLevelTask
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procedure TCefSetZoomLevelTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doSetZoomLevel(FValue);
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except
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on e : exception do
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if CustomExceptionHandler('TCefSetZoomLevelTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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constructor TCefSetZoomLevelTask.Create(const aEvents : IChromiumEvents; const aValue : double);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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FValue := aValue;
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end;
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destructor TCefSetZoomLevelTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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// TCefSetZoomPctTask
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procedure TCefSetZoomPctTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doSetZoomPct(FValue);
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except
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on e : exception do
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if CustomExceptionHandler('TCefSetZoomPctTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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constructor TCefSetZoomPctTask.Create(const aEvents : IChromiumEvents; const aValue : double);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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FValue := aValue;
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end;
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destructor TCefSetZoomPctTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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// TCefSetZoomStepTask
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procedure TCefSetZoomStepTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doSetZoomStep(FValue);
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except
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on e : exception do
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if CustomExceptionHandler('TCefSetZoomStepTask.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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constructor TCefSetZoomStepTask.Create(const aEvents : IChromiumEvents; aValue : byte);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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FValue := aValue;
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end;
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destructor TCefSetZoomStepTask.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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// TCefCreateCustomViewTask
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procedure TCefCreateCustomViewTask.Execute;
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begin
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try
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try
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if (FEvents <> nil) then ICefViewDelegateEvents(FEvents).doCreateCustomView;
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except
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on e : exception do
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if CustomExceptionHandler('ICefViewDelegateEvents.Execute', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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|
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constructor TCefCreateCustomViewTask.Create(const aEvents : ICefViewDelegateEvents);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
|
|
end;
|
|
|
|
destructor TCefCreateCustomViewTask.Destroy;
|
|
begin
|
|
FEvents := nil;
|
|
|
|
inherited Destroy;
|
|
end;
|
|
|
|
|
|
// TCefBrowserNavigationTask
|
|
|
|
procedure TCefBrowserNavigationTask.Execute;
|
|
begin
|
|
try
|
|
try
|
|
if (FEvents <> nil) then IChromiumEvents(FEvents).doBrowserNavigation(FTask);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCefBrowserNavigationTask.Execute', e) then raise;
|
|
end;
|
|
finally
|
|
FEvents := nil;
|
|
end;
|
|
end;
|
|
|
|
constructor TCefBrowserNavigationTask.Create(const aEvents : IChromiumEvents; aTask : TCefBrowserNavigation);
|
|
begin
|
|
inherited Create;
|
|
|
|
FEvents := Pointer(aEvents);
|
|
FTask := aTask;
|
|
end;
|
|
|
|
destructor TCefBrowserNavigationTask.Destroy;
|
|
begin
|
|
FEvents := nil;
|
|
|
|
inherited Destroy;
|
|
end;
|
|
|
|
end.
|