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/* -*- 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 .
*/
#include <refreshtimer.hxx>
#include <refreshtimerprotector.hxx>
void ScRefreshTimerControl::SetAllowRefresh( bool b )
{
if ( b && nBlockRefresh )
--nBlockRefresh;
else if ( !b && nBlockRefresh < sal_uInt16(~0) )
++nBlockRefresh;
}
ScRefreshTimerProtector::ScRefreshTimerProtector( std::unique_ptr<ScRefreshTimerControl> const & rp )
:
m_rpControl( rp )
{
if ( m_rpControl )
{
m_rpControl->SetAllowRefresh( false );
// wait for any running refresh in another thread to finish
::osl::MutexGuard aGuard( m_rpControl->GetMutex() );
}
}
ScRefreshTimerProtector::~ScRefreshTimerProtector()
{
if ( m_rpControl )
m_rpControl->SetAllowRefresh( true );
}
ScRefreshTimer::ScRefreshTimer() : ppControl(nullptr)
{
SetTimeout( 0 );
}
ScRefreshTimer::ScRefreshTimer( sal_uLong nSeconds ) : ppControl(nullptr)
{
SetTimeout( nSeconds * 1000 );
Launch();
}
ScRefreshTimer::ScRefreshTimer( const ScRefreshTimer& r ) : AutoTimer( r ), ppControl(nullptr)
{
}
ScRefreshTimer::~ScRefreshTimer()
{
if ( IsActive() )
Stop();
}
ScRefreshTimer& ScRefreshTimer::operator=( const ScRefreshTimer& r )
{
if(this == &r)
return *this;
SetRefreshControl(nullptr);
AutoTimer::operator=( r );
return *this;
}
bool ScRefreshTimer::operator==( const ScRefreshTimer& r ) const
{
return GetTimeout() == r.GetTimeout();
}
bool ScRefreshTimer::operator!=( const ScRefreshTimer& r ) const
{
return !ScRefreshTimer::operator==( r );
}
void ScRefreshTimer::SetRefreshControl( std::unique_ptr<ScRefreshTimerControl> const * pp )
{
ppControl = pp;
}
void ScRefreshTimer::SetRefreshHandler( const Link<Timer *, void>& rLink )
{
SetInvokeHandler( rLink );
}
sal_uLong ScRefreshTimer::GetRefreshDelay() const
{
return GetTimeout() / 1000;
}
void ScRefreshTimer::StopRefreshTimer()
{
Stop();
}
void ScRefreshTimer::SetRefreshDelay( sal_uLong nSeconds )
{
bool bActive = IsActive();
if ( bActive && !nSeconds )
Stop();
SetTimeout( nSeconds * 1000 );
if ( !bActive && nSeconds )
Launch();
}
void ScRefreshTimer::Invoke()
{
if ( ppControl && *ppControl && (*ppControl)->IsRefreshAllowed() )
{
// now we COULD make the call in another thread ...
::osl::MutexGuard aGuard( (*ppControl)->GetMutex() );
Timer::Invoke();
// restart from now on, don't execute immediately again if timed out
// a second time during refresh
if ( IsActive() )
Launch();
}
}
void ScRefreshTimer::Launch()
{
if ( GetTimeout() )
AutoTimer::Start();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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