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CEF4Delphi/source/uCEFTaskRunner.pas
2017-01-27 17:29:37 +01:00

114 lines
3.6 KiB
ObjectPascal

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 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 © 2017 Salvador Díaz 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 uCEFTaskRunner;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
interface
uses
uCEFBase, uCEFInterfaces, uCEFTypes;
type
TCefTaskRunnerRef = class(TCefBaseRef, ICefTaskRunner)
protected
function IsSame(const that: ICefTaskRunner): Boolean;
function BelongsToCurrentThread: Boolean;
function BelongsToThread(threadId: TCefThreadId): Boolean;
function PostTask(const task: ICefTask): Boolean; stdcall;
function PostDelayedTask(const task: ICefTask; delayMs: Int64): Boolean;
public
class function UnWrap(data: Pointer): ICefTaskRunner;
class function GetForCurrentThread: ICefTaskRunner;
class function GetForThread(threadId: TCefThreadId): ICefTaskRunner;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions;
function TCefTaskRunnerRef.BelongsToCurrentThread: Boolean;
begin
Result := PCefTaskRunner(FData).belongs_to_current_thread(FData) <> 0;
end;
function TCefTaskRunnerRef.BelongsToThread(threadId: TCefThreadId): Boolean;
begin
Result := PCefTaskRunner(FData).belongs_to_thread(FData, threadId) <> 0;
end;
class function TCefTaskRunnerRef.GetForCurrentThread: ICefTaskRunner;
begin
Result := UnWrap(cef_task_runner_get_for_current_thread());
end;
class function TCefTaskRunnerRef.GetForThread(threadId: TCefThreadId): ICefTaskRunner;
begin
Result := UnWrap(cef_task_runner_get_for_thread(threadId));
end;
function TCefTaskRunnerRef.IsSame(const that: ICefTaskRunner): Boolean;
begin
Result := PCefTaskRunner(FData).is_same(FData, CefGetData(that)) <> 0;
end;
function TCefTaskRunnerRef.PostDelayedTask(const task: ICefTask;
delayMs: Int64): Boolean;
begin
Result := PCefTaskRunner(FData).post_delayed_task(FData, CefGetData(task), delayMs) <> 0;
end;
function TCefTaskRunnerRef.PostTask(const task: ICefTask): Boolean;
begin
Result := PCefTaskRunner(FData).post_task(FData, CefGetData(task)) <> 0;
end;
class function TCefTaskRunnerRef.UnWrap(data: Pointer): ICefTaskRunner;
begin
if data <> nil then
Result := Create(data) as ICefTaskRunner else
Result := nil;
end;
end.