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{
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
Author: Balázs Székely
}
unit opkman_timer;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils;
type
{ TThreadTimer }
TThreadTimer = class(TThread)
private
FTime: QWORD;
FInterval: Cardinal;
FOnTimer: TNotifyEvent;
FEnabled: Boolean;
procedure DoOnTimer;
protected
procedure Execute; override;
public
constructor Create;
destructor Destroy; override;
public
property OnTimer: TNotifyEvent read FOnTimer write FOnTimer;
property Interval: Cardinal read FInterval write FInterval;
property Enabled: Boolean read FEnabled write FEnabled;
procedure StopTimer;
procedure StartTimer;
end;
implementation
{ TThreadTimer }
constructor TThreadTimer.Create;
begin
inherited Create(True);
FreeOnTerminate := True;
FInterval := 1000;
FEnabled := False;
end;
destructor TThreadTimer.Destroy;
begin
//
inherited Destroy;
end;
procedure TThreadTimer.DoOnTimer;
begin
if Assigned(FOnTimer) then
FOnTimer(Self);
end;
procedure TThreadTimer.Execute;
begin
while not Terminated do
begin
Sleep(100);
if (GetTickCount64 - FTime > FInterval) and (FEnabled) then
begin
FTime := GetTickCount64;
DoOnTimer;
end;
end;
end;
procedure TThreadTimer.StopTimer;
begin
FEnabled := False;
end;
procedure TThreadTimer.StartTimer;
begin
FTime := GetTickCount64;
FEnabled := True;
if Self.Suspended then
Start;
end;
end.
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