/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_IDLE_HXX
#define INCLUDED_VCL_IDLE_HXX
#include <vcl/timer.hxx>
/**
* An idle is a timer to be scheduled immediately .
*
* It ' s - more or less - just a convenience class .
*
* Note : Despite the name , the timer is not necessarily invoked when idle .
* Use an idle priority such as TaskPriority : : DEFAULT_IDLE to actually
* invoke the timer only when idle .
*/
class VCL_DLLPUBLIC Idle : public Timer
{
private :
// Delete all timeout specific functions, we don't want in an Idle
void SetTimeout( sal_uInt64 nTimeoutMs ) = delete ;
sal_uInt64 GetTimeout() const = delete ;
protected :
virtual sal_uInt64 UpdateMinPeriod( sal_uInt64 nTimeNow ) const override;
Idle( bool bAuto, const char *pDebugName );
public :
Idle( const char *pDebugName );
virtual void Start(bool bStartTimer = true ) override;
};
/**
* An auto - idle is long running task processing small chunks of data , which
* is re - scheduled multiple times .
*
* Remember to stop the Idle when finished , as it would otherwise busy loop the CPU !
*
* It probably makes sense to re - implement ReadyForSchedule and UpdateMinPeriod ,
* in case there is a quick check and it can otherwise sleep .
*/
class VCL_DLLPUBLIC AutoIdle : public Idle
{
public :
AutoIdle( const char *pDebugName );
};
#endif // INCLUDED_VCL_IDLE_HXX
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