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mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-12-14 09:42:54 +02:00
CEF4Delphi/source/uCEFTask.pas
Salvador Diaz Fau 8f1b88bac9 Update to CEF 88.2.4
Fixed issue #335
2021-02-06 17:38:44 +01:00

685 lines
14 KiB
ObjectPascal

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2021 Salvador Diaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uCEFTask;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefTaskOwn = class(TCefBaseRefCountedOwn, ICefTask)
protected
procedure Execute; virtual;
public
constructor Create; virtual;
end;
TCefTaskRef = class(TCefBaseRefCountedRef, ICefTask)
protected
procedure Execute; virtual;
public
class function UnWrap(data: Pointer): ICefTask;
end;
TCefFastTask = class(TCefTaskOwn)
protected
FMethod: TCefFastTaskProc;
procedure Execute; override;
public
class procedure New(threadId: TCefThreadId; const method: TCefFastTaskProc);
class procedure NewDelayed(threadId: TCefThreadId; Delay: Int64; const method: TCefFastTaskProc);
constructor Create(const method: TCefFastTaskProc); reintroduce;
end;
TCefUpdatePrefsTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents); reintroduce;
destructor Destroy; override;
end;
TCefSavePrefsTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents); reintroduce;
destructor Destroy; override;
end;
TCefURLRequestTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
procedure Execute; override;
public
constructor Create(const aEvents : ICEFUrlRequestClientEvents); reintroduce;
destructor Destroy; override;
end;
TCefGenericTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
FTaskID : cardinal;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents; aTaskID : cardinal); reintroduce;
destructor Destroy; override;
end;
TCefUpdateZoomStepTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
FInc : boolean;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents; aInc : boolean); reintroduce;
destructor Destroy; override;
end;
TCefUpdateZoomPctTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
FInc : boolean;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents; aInc : boolean); reintroduce;
destructor Destroy; override;
end;
TCefReadZoomTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents); reintroduce;
destructor Destroy; override;
end;
TCefSetZoomLevelTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
FValue : double;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents; const aValue : double); reintroduce;
destructor Destroy; override;
end;
TCefSetZoomPctTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
FValue : double;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents; const aValue : double); reintroduce;
destructor Destroy; override;
end;
TCefSetZoomStepTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
FValue : byte;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents; aValue : byte); reintroduce;
destructor Destroy; override;
end;
TCefCreateCustomViewTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
procedure Execute; override;
public
constructor Create(const aEvents : ICefViewDelegateEvents); reintroduce;
destructor Destroy; override;
end;
TCefBrowserNavigationTask = class(TCefTaskOwn)
protected
FEvents : Pointer;
FTask : TCefBrowserNavigation;
procedure Execute; override;
public
constructor Create(const aEvents : IChromiumEvents; aTask : TCefBrowserNavigation); reintroduce;
destructor Destroy; override;
end;
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils,
{$ELSE}
SysUtils,
{$ENDIF}
uCEFMiscFunctions, uCEFLibFunctions, uCEFCookieManager, uCEFUrlRequest;
procedure cef_task_execute(self: PCefTask); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefTaskOwn) then
TCefTaskOwn(TempObject).Execute;
end;
constructor TCefTaskOwn.Create;
begin
inherited CreateData(SizeOf(TCefTask));
PCefTask(FData)^.execute := {$IFDEF FPC}@{$ENDIF}cef_task_execute;
end;
procedure TCefTaskOwn.Execute;
begin
//
end;
// TCefTaskRef
procedure TCefTaskRef.Execute;
begin
PCefTask(FData)^.execute(PCefTask(FData));
end;
class function TCefTaskRef.UnWrap(data: Pointer): ICefTask;
begin
if (data <> nil) then
Result := Create(data) as ICefTask
else
Result := nil;
end;
// TCefFastTask
constructor TCefFastTask.Create(const method: TCefFastTaskProc);
begin
inherited Create;
FMethod := method;
end;
procedure TCefFastTask.Execute;
begin
FMethod();
end;
class procedure TCefFastTask.New(threadId: TCefThreadId; const method: TCefFastTaskProc);
begin
CefPostTask(threadId, Create(method));
end;
class procedure TCefFastTask.NewDelayed(threadId: TCefThreadId; Delay: Int64; const method: TCefFastTaskProc);
begin
CefPostDelayedTask(threadId, Create(method), Delay);
end;
// TCefUpdatePrefsTask
constructor TCefUpdatePrefsTask.Create(const aEvents : IChromiumEvents);
begin
inherited Create;
FEvents := Pointer(aEvents);
end;
destructor TCefUpdatePrefsTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
procedure TCefUpdatePrefsTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doUpdateOwnPreferences;
except
on e : exception do
if CustomExceptionHandler('TCefUpdatePrefsTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
// TCefSavePrefsTask
constructor TCefSavePrefsTask.Create(const aEvents : IChromiumEvents);
begin
inherited Create;
FEvents := Pointer(aEvents);
end;
destructor TCefSavePrefsTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
procedure TCefSavePrefsTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doSavePreferences;
except
on e : exception do
if CustomExceptionHandler('TCefSavePrefsTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
// TCefURLRequestTask
procedure TCefURLRequestTask.Execute;
begin
try
try
if (FEvents <> nil) then ICEFUrlRequestClientEvents(FEvents).doOnCreateURLRequest;
except
on e : exception do
if CustomExceptionHandler('TCefURLRequestTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefURLRequestTask.Create(const aEvents : ICEFUrlRequestClientEvents);
begin
inherited Create;
FEvents := Pointer(aEvents);
end;
destructor TCefURLRequestTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
// TCefGenericTask
procedure TCefGenericTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doOnExecuteTaskOnCefThread(FTaskID);
except
on e : exception do
if CustomExceptionHandler('TCefGenericTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefGenericTask.Create(const aEvents : IChromiumEvents; aTaskID : cardinal);
begin
inherited Create;
FEvents := Pointer(aEvents);
FTaskID := aTaskID;
end;
destructor TCefGenericTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
// TCefUpdateZoomStepTask
procedure TCefUpdateZoomStepTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doUpdateZoomStep(FInc);
except
on e : exception do
if CustomExceptionHandler('TCefUpdateZoomStepTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefUpdateZoomStepTask.Create(const aEvents : IChromiumEvents; aInc : boolean);
begin
inherited Create;
FEvents := Pointer(aEvents);
FInc := aInc;
end;
destructor TCefUpdateZoomStepTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
// TCefUpdateZoomPctTask
procedure TCefUpdateZoomPctTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doUpdateZoomPct(FInc);
except
on e : exception do
if CustomExceptionHandler('TCefUpdateZoomPctTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefUpdateZoomPctTask.Create(const aEvents : IChromiumEvents; aInc : boolean);
begin
inherited Create;
FEvents := Pointer(aEvents);
FInc := aInc;
end;
destructor TCefUpdateZoomPctTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
// TCefReadZoomTask
procedure TCefReadZoomTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doReadZoom;
except
on e : exception do
if CustomExceptionHandler('TCefReadZoomTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefReadZoomTask.Create(const aEvents : IChromiumEvents);
begin
inherited Create;
FEvents := Pointer(aEvents);
end;
destructor TCefReadZoomTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
// TCefSetZoomLevelTask
procedure TCefSetZoomLevelTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doSetZoomLevel(FValue);
except
on e : exception do
if CustomExceptionHandler('TCefSetZoomLevelTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefSetZoomLevelTask.Create(const aEvents : IChromiumEvents; const aValue : double);
begin
inherited Create;
FEvents := Pointer(aEvents);
FValue := aValue;
end;
destructor TCefSetZoomLevelTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
// TCefSetZoomPctTask
procedure TCefSetZoomPctTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doSetZoomPct(FValue);
except
on e : exception do
if CustomExceptionHandler('TCefSetZoomPctTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefSetZoomPctTask.Create(const aEvents : IChromiumEvents; const aValue : double);
begin
inherited Create;
FEvents := Pointer(aEvents);
FValue := aValue;
end;
destructor TCefSetZoomPctTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
// TCefSetZoomStepTask
procedure TCefSetZoomStepTask.Execute;
begin
try
try
if (FEvents <> nil) then IChromiumEvents(FEvents).doSetZoomStep(FValue);
except
on e : exception do
if CustomExceptionHandler('TCefSetZoomStepTask.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefSetZoomStepTask.Create(const aEvents : IChromiumEvents; aValue : byte);
begin
inherited Create;
FEvents := Pointer(aEvents);
FValue := aValue;
end;
destructor TCefSetZoomStepTask.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
// TCefCreateCustomViewTask
procedure TCefCreateCustomViewTask.Execute;
begin
try
try
if (FEvents <> nil) then ICefViewDelegateEvents(FEvents).doCreateCustomView;
except
on e : exception do
if CustomExceptionHandler('ICefViewDelegateEvents.Execute', e) then raise;
end;
finally
FEvents := nil;
end;
end;
constructor TCefCreateCustomViewTask.Create(const aEvents : ICefViewDelegateEvents);
begin
inherited Create;
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.