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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 <salframe.hxx>
#include <unx/gendisp.hxx>
#include <unx/geninst.h>
SalGenericDisplay::SalGenericDisplay()
: m_aEventGuard()
{
m_pCapture = nullptr;
}
SalGenericDisplay::~SalGenericDisplay()
{
}
void SalGenericDisplay::registerFrame( SalFrame* pFrame )
{
m_aFrames.push_front( pFrame );
}
void SalGenericDisplay::deregisterFrame( SalFrame* pFrame )
{
{
osl::MutexGuard g( m_aEventGuard );
std::list< SalUserEvent >::iterator it = m_aUserEvents.begin();
while ( it != m_aUserEvents.end() )
{
if( it->m_pFrame == pFrame )
{
if (it->m_nEvent == SALEVENT_USEREVENT) {
delete static_cast<ImplSVEvent *>(it->m_pData);
}
it = m_aUserEvents.erase( it );
}
else
++it;
}
}
m_aFrames.remove( pFrame );
}
void SalGenericDisplay::emitDisplayChanged()
{
if( !m_aFrames.empty() )
m_aFrames.front()->CallCallback( SALEVENT_DISPLAYCHANGED, nullptr );
}
bool SalGenericDisplay::DispatchInternalEvent()
{
void* pData = nullptr;
SalFrame* pFrame = nullptr;
sal_uInt16 nEvent = 0;
{
osl::MutexGuard g( m_aEventGuard );
if( !m_aUserEvents.empty() )
{
pFrame = m_aUserEvents.front().m_pFrame;
pData = m_aUserEvents.front().m_pData;
nEvent = m_aUserEvents.front().m_nEvent;
m_aUserEvents.pop_front();
}
}
if( pFrame )
pFrame->CallCallback( nEvent, pData );
return pFrame != nullptr;
}
void SalGenericDisplay::SendInternalEvent( SalFrame* pFrame, void* pData, sal_uInt16 nEvent )
{
osl::MutexGuard g( m_aEventGuard );
m_aUserEvents.push_back( SalUserEvent( pFrame, pData, nEvent ) );
PostUserEvent(); // wakeup the concrete mainloop
}
void SalGenericDisplay::CancelInternalEvent( SalFrame* pFrame, void* pData, sal_uInt16 nEvent )
{
osl::MutexGuard g( m_aEventGuard );
if( ! m_aUserEvents.empty() )
{
std::list< SalUserEvent >::iterator it = m_aUserEvents.begin();
while (it != m_aUserEvents.end())
{
if( it->m_pFrame == pFrame &&
it->m_pData == pData &&
it->m_nEvent == nEvent )
{
it = m_aUserEvents.erase( it );
}
else
++it;
}
}
}
bool SalGenericDisplay::HasUserEvents() const
{
osl::MutexGuard g( m_aEventGuard );
return !m_aUserEvents.empty();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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