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CEF4Delphi/source/uCEFWaitableEvent.pas
2018-05-12 14:50:54 +02:00

114 lines
3.3 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 © 2018 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 uCEFWaitableEvent;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
{$I cef.inc}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefWaitableEventRef = class(TCefBaseRefCountedRef, ICefWaitableEvent)
protected
procedure Reset;
procedure Signal;
function IsSignaled : boolean;
procedure Wait;
function TimedWait(max_ms: int64): boolean;
public
class function UnWrap(data: Pointer): ICefWaitableEvent;
class function New(automatic_reset, initially_signaled : integer): ICefWaitableEvent;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions;
procedure TCefWaitableEventRef.Reset;
begin
PCefWaitableEvent(FData)^.reset(PCefWaitableEvent(FData));
end;
procedure TCefWaitableEventRef.Signal;
begin
PCefWaitableEvent(FData)^.signal(PCefWaitableEvent(FData));
end;
function TCefWaitableEventRef.IsSignaled : boolean;
begin
Result := (PCefWaitableEvent(FData)^.is_signaled(PCefWaitableEvent(FData)) <> 0);
end;
procedure TCefWaitableEventRef.Wait;
begin
PCefWaitableEvent(FData)^.wait(PCefWaitableEvent(FData));
end;
function TCefWaitableEventRef.TimedWait(max_ms: int64): boolean;
begin
Result := (PCefWaitableEvent(FData)^.timed_wait(PCefWaitableEvent(FData), max_ms) <> 0);
end;
class function TCefWaitableEventRef.UnWrap(data: Pointer): ICefWaitableEvent;
begin
if (data <> nil) then
Result := Create(data) as ICefWaitableEvent
else
Result := nil;
end;
class function TCefWaitableEventRef.New(automatic_reset, initially_signaled : integer): ICefWaitableEvent;
begin
Result := UnWrap(cef_waitable_event_create(automatic_reset, initially_signaled));
end;
end.