145 lines
3.3 KiB
C++
145 lines
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2013 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#include "Model_Artwork.h"
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#include "Global.h"
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#include <QFile>
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#include <QMutexLocker>
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////////////////////////////////////////////////////////////
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QMutex ArtworkModel::m_mutex;
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QMap<QString, unsigned int> ArtworkModel::m_refCount;
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QMap<QString, QFile*> ArtworkModel::m_fileHandle;
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////////////////////////////////////////////////////////////
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// Constructor & Destructor
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////////////////////////////////////////////////////////////
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ArtworkModel::ArtworkModel(void)
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{
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m_isOwner = false;
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}
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ArtworkModel::ArtworkModel(const QString &fileName, bool isOwner)
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{
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m_isOwner = false;
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setFilePath(fileName, isOwner);
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}
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ArtworkModel::ArtworkModel(const ArtworkModel &model)
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{
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m_isOwner = false;
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setFilePath(model.m_filePath, model.m_isOwner);
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}
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ArtworkModel &ArtworkModel::operator=(const ArtworkModel &model)
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{
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setFilePath(model.m_filePath, model.m_isOwner);
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return (*this);
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}
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ArtworkModel::~ArtworkModel(void)
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{
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clear();
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}
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////////////////////////////////////////////////////////////
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// Public Functions
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////////////////////////////////////////////////////////////
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const QString &ArtworkModel::filePath(void) const
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{
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return m_filePath;
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}
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bool ArtworkModel::isOwner(void) const
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{
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return m_isOwner;
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}
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void ArtworkModel::setFilePath(const QString &newPath, bool isOwner)
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{
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if(newPath.isEmpty() || m_filePath.isEmpty() || QString::compare(m_filePath, newPath,Qt::CaseInsensitive))
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{
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clear();
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if(!newPath.isEmpty())
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{
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QMutexLocker lock(&m_mutex);
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if(!m_refCount.contains(newPath))
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{
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m_refCount.insert(newPath, 0);
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m_fileHandle.insert(newPath, new QFile(newPath));
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m_fileHandle[newPath]->open(QIODevice::ReadOnly);
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}
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m_refCount[newPath]++;
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}
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m_filePath = newPath;
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m_isOwner = isOwner;
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}
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}
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void ArtworkModel:: clear(void)
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{
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if(!m_filePath.isEmpty())
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{
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QMutexLocker lock(&m_mutex);
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if(m_refCount.contains(m_filePath))
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{
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if(--m_refCount[m_filePath] < 1)
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{
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m_refCount.remove(m_filePath);
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if(m_fileHandle.contains(m_filePath))
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{
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if(QFile *fileHandle = m_fileHandle.take(m_filePath))
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{
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if(m_isOwner)
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{
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fileHandle->remove();
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}
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else
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{
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fileHandle->close();
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}
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LAMEXP_DELETE(fileHandle);
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}
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}
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if(m_isOwner)
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{
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QFile::remove(m_filePath);
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}
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}
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}
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m_filePath.clear();
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}
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}
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