/*****************************************************************************
* art_manager.cpp
*****************************************************************************
* Copyright (C) 2010 the VideoLAN team
*
* Author: Erwan Tulou <erwan10@vidoelan.org>
*
* This program 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 program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "art_manager.hpp"
#include <vlc_image.h>
#include <new>
#define MAX_ART_CACHED 2
ArtManager *ArtManager::instance( intf_thread_t *pIntf )
{
if( pIntf->p_sys->p_artManager == NULL )
{
pIntf->p_sys->p_artManager = new ArtManager( pIntf );
}
return pIntf->p_sys->p_artManager;
}
void ArtManager::destroy( intf_thread_t *pIntf )
{
delete pIntf->p_sys->p_artManager;
pIntf->p_sys->p_artManager = NULL;
}
ArtManager::ArtManager( intf_thread_t* pIntf ) : SkinObject( pIntf )
{
// initialize handler
m_pImageHandler = image_HandlerCreate( pIntf );
if( !m_pImageHandler )
msg_Err( getIntf(), "initialization of art manager failed" );
}
ArtManager::~ArtManager( )
{
if( m_pImageHandler )
{
image_HandlerDelete( m_pImageHandler );
m_pImageHandler = NULL;
}
std::list<ArtBitmap*>::const_iterator it;
for( it = m_listBitmap.cbegin(); it != m_listBitmap.cend(); ++it )
delete *it;
m_listBitmap.clear();
}
ArtBitmap* ArtManager::getArtBitmap( const std::string &uriName )
{
if( !uriName.size() )
return NULL;
if( !m_pImageHandler )
return NULL;
// check whether art is already loaded
std::list<ArtBitmap*>::const_iterator it;
for( it = m_listBitmap.cbegin(); it != m_listBitmap.cend(); ++it )
{
if( (*it)->getUriName() == uriName )
return *it;
}
// create and retain a new ArtBitmap since uri is not yet known
ArtBitmap* pArt = new (std::nothrow) ArtBitmap( getIntf(), m_pImageHandler, uriName );
if( pArt && pArt->getWidth() && pArt->getHeight() )
{
if( m_listBitmap.size() == MAX_ART_CACHED )
{
ArtBitmap* pOldest = *(m_listBitmap.begin());
delete pOldest;
m_listBitmap.pop_front();
}
m_listBitmap.push_back( pArt );
return pArt;
}
else
{
delete pArt;
return NULL;
}
}
¤ Dauer der Verarbeitung: 0.4 Sekunden
¤
*© Formatika GbR, Deutschland