Separate Artist playlist interface

src/libtomahawk/CMakeLists.txt

@@ -281,6 +281,7 @@ set( libSources
 
     aclsystem.cpp
     artist.cpp
+    artistplaylistinterface.cpp
     album.cpp
     collection.cpp
     playlist.cpp
@@ -413,6 +414,7 @@ set( libHeaders
     sourceplaylistinterface.h
 
     artist.h
+    artistplaylistinterface.h
     album.h
     playlist.h
 

src/libtomahawk/artist.cpp

@@ -18,10 +18,10 @@
 
 #include "artist.h"
 
+#include "artistplaylistinterface.h"
 #include "collection.h"
 #include "database/database.h"
 #include "database/databaseimpl.h"
-#include "database/databasecommand_alltracks.h"
 #include "query.h"
 
 #include "utils/logger.h"
@@ -71,11 +71,9 @@ Artist::get( unsigned int id, const QString& name )
 
 
 Artist::Artist( unsigned int id, const QString& name )
-    : PlaylistInterface( this )
+    : QObject()
     , m_id( id )
     , m_name( name )
-    , m_currentItem( 0 )
-    , m_currentTrack( 0 )
 {
     m_sortname = DatabaseImpl::sortname( name, true );
 }
@@ -86,61 +84,19 @@ Artist::onTracksAdded( const QList<Tomahawk::query_ptr>& tracks )
 {
     qDebug() << Q_FUNC_INFO;
 
-    m_queries << tracks;
+    Tomahawk::ArtistPlaylistInterface* api = dynamic_cast< Tomahawk::ArtistPlaylistInterface* >( getPlaylistInterface().data() );
+    if ( api )
+        api->addQueries( tracks );
     emit tracksAdded( tracks );
 }
 
-
-Tomahawk::result_ptr
-Artist::siblingItem( int itemsAway )
+Tomahawk::playlistinterface_ptr
+Artist::getPlaylistInterface()
 {
-    int p = m_currentTrack;
-    p += itemsAway;
-
-    if ( p < 0 )
-        return Tomahawk::result_ptr();
-
-    if ( p >= m_queries.count() )
-        return Tomahawk::result_ptr();
-
-    m_currentTrack = p;
-    m_currentItem = m_queries.at( p )->results().first();
-    return m_currentItem;
+    if ( m_playlistInterface.isNull() )
+    {
+        m_playlistInterface = Tomahawk::playlistinterface_ptr( new Tomahawk::ArtistPlaylistInterface( this ) );
     }
 
-
-bool
-Artist::hasNextItem()
-{
-    int p = m_currentTrack;
-    p++;
-    if ( p < 0 || p >= m_queries.count() )
-        return false;
-
-    return true;
-}
-
-result_ptr
-Artist::currentItem() const
-{
-    return m_currentItem;
-}
-
-
-QList<Tomahawk::query_ptr>
-Artist::tracks()
-{
-    if ( m_queries.isEmpty() )
-    {
-        DatabaseCommand_AllTracks* cmd = new DatabaseCommand_AllTracks();
-        cmd->setArtist( this );
-        cmd->setSortOrder( DatabaseCommand_AllTracks::Album );
-
-        connect( cmd, SIGNAL( tracks( QList<Tomahawk::query_ptr>, QVariant ) ),
-                        SLOT( onTracksAdded( QList<Tomahawk::query_ptr> ) ) );
-
-        Database::instance()->enqueue( QSharedPointer<DatabaseCommand>( cmd ) );
-    }
-
-    return m_queries;
+    return m_playlistInterface;
 }

src/libtomahawk/artist.h

@@ -23,13 +23,12 @@
 #include <QSharedPointer>
 
 #include "typedefs.h"
-#include "playlistinterface.h"
 #include "dllmacro.h"
 
 namespace Tomahawk
 {
 
-class DLLEXPORT Artist : public QObject, public Tomahawk::PlaylistInterface
+class DLLEXPORT Artist : public QObject
 {
 Q_OBJECT
 
@@ -45,33 +44,10 @@ public:
     QString name() const { return m_name; }
     QString sortname() const { return m_sortname; }
 
-    virtual QList<Tomahawk::query_ptr> tracks();
-
-    virtual int trackCount() const { return 0; }
-    virtual int unfilteredTrackCount() const { return m_queries.count(); }
-
-    virtual Tomahawk::result_ptr siblingItem( int itemsAway );
-
-    virtual bool hasNextItem();
-    virtual Tomahawk::result_ptr currentItem() const;
-
-    virtual PlaylistInterface::RepeatMode repeatMode() const { return PlaylistInterface::NoRepeat; }
-    virtual bool shuffled() const { return false; }
-
-    virtual void setRepeatMode( PlaylistInterface::RepeatMode ) {}
-    virtual void setShuffled( bool ) {}
-
-    virtual void setFilter( const QString& /*pattern*/ ) {}
+    Tomahawk::playlistinterface_ptr getPlaylistInterface();
 
 signals:
-    void repeatModeChanged( PlaylistInterface::RepeatMode mode );
-    void shuffleModeChanged( bool enabled );
-
     void tracksAdded( const QList<Tomahawk::query_ptr>& tracks );
-    void trackCountChanged( unsigned int tracks );
-    void sourceTrackCountChanged( unsigned int tracks );
-
-    void nextTrackReady();
 
 private slots:
     void onTracksAdded( const QList<Tomahawk::query_ptr>& tracks );
@@ -83,9 +59,7 @@ private:
     QString m_name;
     QString m_sortname;
 
-    QList<Tomahawk::query_ptr> m_queries;
-    result_ptr m_currentItem;
-    unsigned int m_currentTrack;
+    Tomahawk::playlistinterface_ptr m_playlistInterface;
 };
 
 }; // ns

src/libtomahawk/artistplaylistinterface.cpp

@@ -0,0 +1,105 @@
+/* === 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 "artistplaylistinterface.h"
+
+#include "artist.h"
+#include "collection.h"
+#include "query.h"
+#include "database/database.h"
+#include "database/databasecommand_alltracks.h"
+
+#include "utils/logger.h"
+
+using namespace Tomahawk;
+
+
+ArtistPlaylistInterface::ArtistPlaylistInterface( Tomahawk::Artist *artist )
+    : Tomahawk::PlaylistInterface()
+    , m_currentItem( 0 )
+    , m_currentTrack( 0 )
+    , m_artist( QWeakPointer< Tomahawk::Artist >( artist ) )
+{
+}
+
+
+ArtistPlaylistInterface::~ArtistPlaylistInterface()
+{
+}
+
+
+Tomahawk::result_ptr
+ArtistPlaylistInterface::siblingItem( int itemsAway )
+{
+    int p = m_currentTrack;
+    p += itemsAway;
+
+    if ( p < 0 )
+        return Tomahawk::result_ptr();
+
+    if ( p >= m_queries.count() )
+        return Tomahawk::result_ptr();
+
+    m_currentTrack = p;
+    m_currentItem = m_queries.at( p )->results().first();
+    return m_currentItem;
+}
+
+
+bool
+ArtistPlaylistInterface::hasNextItem()
+{
+    int p = m_currentTrack;
+    p++;
+    if ( p < 0 || p >= m_queries.count() )
+        return false;
+
+    return true;
+}
+
+result_ptr
+ArtistPlaylistInterface::currentItem() const
+{
+    return m_currentItem;
+}
+
+
+QList<Tomahawk::query_ptr>
+ArtistPlaylistInterface::tracks()
+{
+    if ( m_queries.isEmpty() && m_artist )
+    {
+        DatabaseCommand_AllTracks* cmd = new DatabaseCommand_AllTracks();
+        cmd->setArtist( m_artist.data() );
+        cmd->setSortOrder( DatabaseCommand_AllTracks::Album );
+
+        connect( cmd, SIGNAL( tracks( QList<Tomahawk::query_ptr>, QVariant ) ),
+                        SLOT( onTracksAdded( QList<Tomahawk::query_ptr> ) ) );
+
+        Database::instance()->enqueue( QSharedPointer< DatabaseCommand >( cmd ) );
+    }
+
+    return m_queries;
+}
+
+
+void
+ArtistPlaylistInterface::addQueries( const QList< query_ptr >& tracks )
+{
+    m_queries << tracks;
+}

src/libtomahawk/artistplaylistinterface.h

@@ -0,0 +1,83 @@
+/* === 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/>.
+ */
+
+#ifndef TOMAHAWKARTISTPLAYLISTINTERFACE_H
+#define TOMAHAWKARTISTPLAYLISTINTERFACE_H
+
+#include <QObject>
+#include <QSharedPointer>
+
+#include "typedefs.h"
+#include "playlistinterface.h"
+#include "dllmacro.h"
+
+namespace Tomahawk
+{
+
+class Artist;
+    
+class DLLEXPORT ArtistPlaylistInterface : public QObject, public Tomahawk::PlaylistInterface
+{
+Q_OBJECT
+
+public:
+    ArtistPlaylistInterface( Tomahawk::Artist *artist );
+    virtual ~ArtistPlaylistInterface();
+
+    virtual QList<Tomahawk::query_ptr> tracks();
+
+    virtual int trackCount() const { return 0; }
+    virtual int unfilteredTrackCount() const { return m_queries.count(); }
+
+    virtual Tomahawk::result_ptr siblingItem( int itemsAway );
+
+    virtual bool hasNextItem();
+    virtual Tomahawk::result_ptr currentItem() const;
+
+    virtual PlaylistInterface::RepeatMode repeatMode() const { return PlaylistInterface::NoRepeat; }
+    virtual bool shuffled() const { return false; }
+
+    virtual void setRepeatMode( PlaylistInterface::RepeatMode ) {}
+    virtual void setShuffled( bool ) {}
+
+    virtual void setFilter( const QString& /*pattern*/ ) {}
+
+    virtual void addQueries( const QList<Tomahawk::query_ptr>& tracks );
+    
+signals:
+    void repeatModeChanged( PlaylistInterface::RepeatMode mode );
+    void shuffleModeChanged( bool enabled );
+
+    void trackCountChanged( unsigned int tracks );
+    void sourceTrackCountChanged( unsigned int tracks );
+
+    void nextTrackReady();
+
+private:
+    Q_DISABLE_COPY( ArtistPlaylistInterface )
+
+    QList< Tomahawk::query_ptr > m_queries;
+    result_ptr m_currentItem;
+    unsigned int m_currentTrack;
+
+    QWeakPointer< Tomahawk::Artist > m_artist;
+};
+
+}; // ns
+
+#endif

src/libtomahawk/dropjob.cpp

@@ -764,7 +764,7 @@ QList< query_ptr >
 DropJob::getArtist( const QString &artist )
 {
     artist_ptr artistPtr = Artist::get( artist );
-    if ( artistPtr->tracks().isEmpty() )
+    if ( artistPtr->getPlaylistInterface()->tracks().isEmpty() )
     {
         connect( artistPtr.data(), SIGNAL( tracksAdded( QList<Tomahawk::query_ptr> ) ),
                                      SLOT( onTracksAdded( QList<Tomahawk::query_ptr> ) ) );
@@ -772,7 +772,7 @@ DropJob::getArtist( const QString &artist )
         return QList< query_ptr >();
     }
     else
-        return artistPtr->tracks();
+        return artistPtr->getPlaylistInterface()->tracks();
 }
 
 

src/libtomahawk/playlist/playlistmodel.cpp

@@ -172,7 +172,7 @@ PlaylistModel::append( const Tomahawk::artist_ptr& artist )
         m_isTemporary = true;
     }
 
-    append( artist->tracks() );
+    append( artist->getPlaylistInterface()->tracks() );
 }
 
 

src/libtomahawk/playlistinterface.h

@@ -83,6 +83,8 @@ public:
         return m_sharedPtr;
     }
 
+    //virtual void findMoreIfaces() = 0;
+    
 public slots:
     virtual void setRepeatMode( RepeatMode mode ) = 0;
     virtual void setShuffled( bool enabled ) = 0;