/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Music Player engine.
*
*/
#ifndef MPENGINE_H
#define MPENGINE_H
#include <QObject>
#include "mpmpxcollectionviewdefs.h"
#include "mpmpxcommondefs.h"
#include "mpcommondefs.h"
class QStringList;
class QTranslator;
class HbProgressDialog;
class MpMpxHarvesterFrameworkWrapper;
class MpSongScanner;
class MpMediaKeyHandler;
class MpMpxCollectionFrameworkWrapper;
class MpMpxPlaybackFrameworkWrapper;
class MpMpxCollectionData;
class MpPlaybackData;
class XQSharableFile;
#if defined(BUILD_MPENGINE_LIB)
#define MPENGINE_EXPORT Q_DECL_EXPORT
#else
#define MPENGINE_EXPORT Q_DECL_IMPORT
#endif
class MPENGINE_EXPORT MpEngine : public QObject
{
Q_OBJECT
private:
enum UsbBlockingState {
USB_NotConnected, // Not connected
USB_Connected, // Connected in MTP mode but not synchronizing
USB_Synchronizing // Connected in MassStorage mode or MTP mode and synchronizing
};
private:
explicit MpEngine();
public:
virtual ~MpEngine();
static MpEngine *instance();
void initialize(MpCommon::MpViewMode viewMode, TUid uid = TUid::Uid( MpCommon::KMusicPlayerUid ) );
void close();
// Harvester related
void refreshLibrary();
bool verifyUsbBlocking( bool showMessage = false );
void checkForSystemEvents();
// Collection related
void openCollection( TCollectionContext context );
void openCollectionItem( int index );
void back();
void findPlaylists( QStringList &playlists );
void createPlaylist( QString &playlistName, QList<int> &selection, MpMpxCollectionData* collectionData = 0 );
void saveToPlaylist( int playlistIndex, QList<int> &selection );
void saveToCurrentPlaylist( QList<int> &selection, MpMpxCollectionData *collectionData );
void renamePlaylist( QString &newName, int index );
void renamePlaylist( QString &newName );
void deleteSongs( QList<int> &selection );
void previewItem( int index );
void openIsolatedCollection( TCollectionContext context );
void releaseIsolatedCollection();
MpMpxCollectionData *collectionData();
// Playback related
MpPlaybackData *playbackData();
signals:
// Harvester related
void libraryAboutToRefresh();
void libraryRefreshed();
void usbBlocked( bool blocked );
// Collection related
void collectionPlaylistOpened();
void playlistSaved( bool success );
void songsDeleted( bool success );
void playlistsRenamed( bool success );
void isolatedCollectionOpened( MpMpxCollectionData* collectionData );
public slots:
// Harvester related
void handleScanStarted();
void handleScanEnded( int count, int error );
void handleDiskEvent( MpxDiskEvents event );
void handleUsbEvent( MpxUsbEvents event );
void handleBlockingNoteClosing();
// Collection related
void reopenCollection();
void reorderPlaylist( int playlistId, int songId, int originalOrdinal, int newOrdinal );
// Playback related
void playEmbedded( QString aFilename );
void playEmbedded( const XQSharableFile& file );
void playPause();
void stop();
void skipForward();
void skipBackward();
void setPosition( int position );
void setShuffle( bool mode );
void setRepeat( bool mode );
private:
// Harvester related
void handleUsbMassStorageStartEvent();
void handleUsbMassStorageEndEvent();
void handleUsbMtpStartEvent();
void handleUsbMtpEndEvent();
void handleUsbMtpNotActive();
void changeUsbBlockingState( UsbBlockingState state );
void launchBlockingNote();
private:
Q_DISABLE_COPY( MpEngine )
// Harvesting related
MpMpxHarvesterFrameworkWrapper *mMpxHarvesterWrapper; // Own
MpSongScanner *mSongScanner; // Own
MpMediaKeyHandler *mMediaKeyHandler; // Own
HbProgressDialog *mUsbBlockingNote; // Own
// Collection related
MpMpxCollectionFrameworkWrapper *mMpxCollectionWrapper; //Own
// Playback related
MpMpxPlaybackFrameworkWrapper *mMpxPlaybackWrapper; //Own
// General
QTranslator *mMpTranslator; // Own
UsbBlockingState mUsbBlockingState;
UsbBlockingState mPreviousUsbState;
MpCommon::MpViewMode mViewMode;
TUid mHostUid;
};
#endif // MPENGINE_H