/
scanmanager.cpp
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/
scanmanager.cpp
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/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
*
* Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
*
* Tomahawk 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 3 of the License, or
* (at your option) any later version.
*
* Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
*/
#include "scanmanager.h"
#include <QThread>
#include <QCoreApplication>
#include <QTimer>
#include "musicscanner.h"
#include "tomahawksettings.h"
#include "utils/tomahawkutils.h"
#include "libtomahawk/sourcelist.h"
#include "database/database.h"
#include "database/databasecommand_filemtimes.h"
#include "database/databasecommand_deletefiles.h"
#include "utils/logger.h"
ScanManager* ScanManager::s_instance = 0;
ScanManager*
ScanManager::instance()
{
return s_instance;
}
ScanManager::ScanManager( QObject* parent )
: QObject( parent )
, m_musicScannerThreadController( 0 )
, m_currScannerPaths()
{
s_instance = this;
m_scanTimer = new QTimer( this );
m_scanTimer->setSingleShot( false );
m_scanTimer->setInterval( TomahawkSettings::instance()->scannerTime() * 1000 );
connect( TomahawkSettings::instance(), SIGNAL( changed() ), SLOT( onSettingsChanged() ) );
connect( m_scanTimer, SIGNAL( timeout() ), SLOT( scanTimerTimeout() ) );
if ( TomahawkSettings::instance()->hasScannerPaths() )
{
m_currScannerPaths = TomahawkSettings::instance()->scannerPaths();
m_scanTimer->start();
if ( TomahawkSettings::instance()->watchForChanges() )
QTimer::singleShot( 1000, this, SLOT( runStartupScan() ) );
}
}
ScanManager::~ScanManager()
{
qDebug() << Q_FUNC_INFO;
if ( !m_scanner.isNull() )
{
m_musicScannerThreadController->quit();
m_musicScannerThreadController->wait( 60000 );
delete m_scanner.data();
delete m_musicScannerThreadController;
m_musicScannerThreadController = 0;
}
qDebug() << Q_FUNC_INFO << "scanner thread controller finished, exiting ScanManager";
}
void
ScanManager::onSettingsChanged()
{
if ( !TomahawkSettings::instance()->watchForChanges() && m_scanTimer->isActive() )
m_scanTimer->stop();
m_scanTimer->setInterval( TomahawkSettings::instance()->scannerTime() * 1000 );
if ( TomahawkSettings::instance()->hasScannerPaths() &&
m_currScannerPaths != TomahawkSettings::instance()->scannerPaths() )
{
m_currScannerPaths = TomahawkSettings::instance()->scannerPaths();
runScan();
}
if ( TomahawkSettings::instance()->watchForChanges() && !m_scanTimer->isActive() )
m_scanTimer->start();
}
void
ScanManager::runStartupScan()
{
qDebug() << Q_FUNC_INFO;
if ( !Database::instance() || ( Database::instance() && !Database::instance()->isReady() ) )
QTimer::singleShot( 1000, this, SLOT( runStartupScan() ) );
else
runScan();
}
void
ScanManager::scanTimerTimeout()
{
qDebug() << Q_FUNC_INFO;
if ( !TomahawkSettings::instance()->watchForChanges() ||
!Database::instance() ||
( Database::instance() && !Database::instance()->isReady() ) )
return;
else
runScan();
}
void
ScanManager::runScan( bool manualFull )
{
qDebug() << Q_FUNC_INFO;
if ( !Database::instance() || ( Database::instance() && !Database::instance()->isReady() ) )
return;
if ( !m_musicScannerThreadController && m_scanner.isNull() ) //still running if these are not zero
{
if ( manualFull )
{
DatabaseCommand_DeleteFiles *cmd = new DatabaseCommand_DeleteFiles( SourceList::instance()->getLocal() );
connect( cmd, SIGNAL( done( const QStringList&, const Tomahawk::collection_ptr& ) ),
SLOT( filesDeleted( const QStringList&, const Tomahawk::collection_ptr& ) ) );
Database::instance()->enqueue( QSharedPointer< DatabaseCommand >( cmd ) );
return;
}
DatabaseCommand_FileMtimes *cmd = new DatabaseCommand_FileMtimes( true );
connect( cmd, SIGNAL( done( const QMap< QString, QMap< unsigned int, unsigned int > >& ) ),
SLOT( fileMtimesCheck( const QMap< QString, QMap< unsigned int, unsigned int > >& ) ) );
Database::instance()->enqueue( QSharedPointer< DatabaseCommand >( cmd ) );
}
else
{
qDebug() << "Could not run dir scan, old scan still running";
return;
}
}
void
ScanManager::fileMtimesCheck( const QMap< QString, QMap< unsigned int, unsigned int > >& mtimes )
{
if ( !mtimes.isEmpty() && TomahawkSettings::instance()->scannerPaths().isEmpty() )
{
DatabaseCommand_DeleteFiles *cmd = new DatabaseCommand_DeleteFiles( SourceList::instance()->getLocal() );
connect( cmd, SIGNAL( done( const QStringList&, const Tomahawk::collection_ptr& ) ),
SLOT( filesDeleted( const QStringList&, const Tomahawk::collection_ptr& ) ) );
Database::instance()->enqueue( QSharedPointer< DatabaseCommand >( cmd ) );
return;
}
runDirScan();
}
void
ScanManager::filesDeleted( const QStringList& files, const Tomahawk::collection_ptr& collection )
{
Q_UNUSED( files );
Q_UNUSED( collection );
if ( !TomahawkSettings::instance()->scannerPaths().isEmpty() )
runDirScan();
}
void
ScanManager::runDirScan()
{
qDebug() << Q_FUNC_INFO;
if ( !Database::instance() || ( Database::instance() && !Database::instance()->isReady() ) )
return;
QStringList paths = TomahawkSettings::instance()->scannerPaths();
if ( !m_musicScannerThreadController && m_scanner.isNull() ) //still running if these are not zero
{
m_scanTimer->stop();
m_musicScannerThreadController = new QThread( this );
m_scanner = QWeakPointer< MusicScanner >( new MusicScanner( paths ) );
m_scanner.data()->moveToThread( m_musicScannerThreadController );
connect( m_scanner.data(), SIGNAL( finished() ), SLOT( scannerFinished() ) );
m_musicScannerThreadController->start( QThread::IdlePriority );
QMetaObject::invokeMethod( m_scanner.data(), "startScan" );
}
else
{
qDebug() << "Could not run dir scan, old scan still running";
return;
}
}
void
ScanManager::scannerFinished()
{
if ( !m_scanner.isNull() )
{
m_musicScannerThreadController->quit();
m_musicScannerThreadController->wait( 60000 );
delete m_scanner.data();
delete m_musicScannerThreadController;
m_musicScannerThreadController = 0;
}
m_scanTimer->start();
SourceList::instance()->getLocal()->scanningFinished( 0 );
emit finished();
}