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/****************************************************************************
Copyright (C) 2005 - 2011 Filipe AZEVEDO & The Monkey Studio Team
http://monkeystudio.org licensing under the GNU GPL.
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 St, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
#include "pIconManager.h"
#include <QApplication>
#include <QDir>
QIconCache pIconManager::mIconCache( 200 );
FileNameCache pIconManager::mFileNameCache;
QString findFile( QDir& dir, const QString& fileName )
{
foreach ( const QFileInfo& fi, dir.entryInfoList( QStringList( fileName ), QDir::Files | QDir::CaseSensitive ) )
{
if ( fi.fileName() == fileName )
{
return fi.canonicalFilePath();
}
}
foreach ( const QFileInfo& fi, dir.entryInfoList( QDir::AllDirs ) )
{
dir.setPath( fi.canonicalFilePath() );
QString fn = findFile( dir, fileName );
if ( !fn.isNull() )
return fn;
}
return QString::null;
}
QString pIconManager::filePath( const QString& _fileName, const QString& prefix )
{
if ( _fileName.isEmpty() ) {
return QString::null;
}
const QFileInfo fi( _fileName );
QString fileName = _fileName;
QString path = prefix;
if ( fi.isAbsolute() ) {
path = fi.absolutePath();
fileName = fi.fileName();
}
if ( path.isEmpty() ) {
path = QLatin1String( ":/" );
}
const FileNamePair pair = qMakePair( fileName, path );
QString fn = mFileNameCache.value( pair );
if ( !fn.isEmpty() )
{
return fn;
}
QDir dir( path );
fn = findFile( dir, fileName );
mFileNameCache[ pair ] = fn;
return fn;
}
QPixmap pIconManager::pixmap( const QString& fileName, const QString& prefix )
{
QPixmap pixmap;
const QString fn = filePath( fileName, prefix );
if ( !QPixmapCache::find( fn, pixmap ) )
{
if ( pixmap.load( fn ) )
{
QPixmapCache::insert( fn, pixmap );
}
}
return pixmap;
}
QIcon pIconManager::icon( const QString& fileName, const QString& prefix )
{
QIcon* icon = 0;
const QString fn = filePath( fileName, prefix );
if ( mIconCache.contains( fn ) )
{
icon = mIconCache[ fn ];
}
else
{
icon = new QIcon( pixmap( fileName, prefix ) );
if ( icon->isNull() )
{
delete icon;
icon = 0;
}
else
{
mIconCache.insert( fn, icon );
}
}
return icon ? QIcon( *icon ) : QIcon();
}
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