* Added direct links to Artist / Album - pages in TrackView.

src/libtomahawk/infosystem/infoplugins/generic/musicbrainzPlugin.cpp

@@ -0,0 +1,170 @@
+/* === 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 "musicbrainzPlugin.h"
+
+#include "utils/tomahawkutils.h"
+
+#include <QNetworkReply>
+#include <QDomDocument>
+
+using namespace Tomahawk::InfoSystem;
+
+// for internal neatness
+
+MusicBrainzPlugin::MusicBrainzPlugin()
+    : InfoPlugin()
+{
+    qDebug() << Q_FUNC_INFO;
+    m_supportedGetTypes << Tomahawk::InfoSystem::InfoArtistReleases;
+}
+
+
+MusicBrainzPlugin::~MusicBrainzPlugin()
+{
+    qDebug() << Q_FUNC_INFO;
+}
+
+
+void
+MusicBrainzPlugin::namChangedSlot( QNetworkAccessManager *nam )
+{
+    qDebug() << Q_FUNC_INFO;
+    if ( !nam )
+        return;
+
+    m_nam = QWeakPointer< QNetworkAccessManager >( nam );
+}
+
+
+void
+MusicBrainzPlugin::getInfo( uint requestId, Tomahawk::InfoSystem::InfoRequestData requestData )
+{
+    qDebug() << Q_FUNC_INFO;
+
+    if ( !requestData.input.canConvert< Tomahawk::InfoSystem::InfoCriteriaHash >() )
+    {
+        emit info( requestId, requestData, QVariant() );
+        return;
+    }
+    InfoCriteriaHash hash = requestData.input.value< Tomahawk::InfoSystem::InfoCriteriaHash >();
+    if ( !hash.contains( "artist" ) )
+    {
+        emit info( requestId, requestData, QVariant() );
+        return;
+    }
+
+    if ( requestData.type == InfoArtistReleases )
+    {
+        QString requestString( "http://musicbrainz.org/ws/2/artist" );
+        QUrl url( requestString );
+        url.addQueryItem( "query", hash["artist"] );
+        QNetworkReply* reply = m_nam.data()->get( QNetworkRequest( url ) );
+        reply->setProperty( "requestId", requestId );
+        reply->setProperty( "requestData", QVariant::fromValue< Tomahawk::InfoSystem::InfoRequestData >( requestData ) );
+
+        connect( reply, SIGNAL( finished() ), SLOT( artistSearchSlot() ) );
+    }
+}
+
+
+bool
+MusicBrainzPlugin::isValidTrackData( uint requestId, Tomahawk::InfoSystem::InfoRequestData requestData )
+{
+    qDebug() << Q_FUNC_INFO;
+    if ( requestData.input.isNull() || !requestData.input.isValid() || !requestData.input.canConvert< QVariantMap >() )
+    {
+        emit info( requestId, requestData, QVariant() );
+        qDebug() << Q_FUNC_INFO << "Data null, invalid, or can't convert";
+        return false;
+    }
+    QVariantMap hash = requestData.input.value< QVariantMap >();
+    if ( hash[ "trackName" ].toString().isEmpty() )
+    {
+        emit info( requestId, requestData, QVariant() );
+        qDebug() << Q_FUNC_INFO << "Track name is empty";
+        return false;
+    }
+    if ( hash[ "artistName" ].toString().isEmpty() )
+    {
+        emit info( requestId, requestData, QVariant() );
+        qDebug() << Q_FUNC_INFO << "No artist name found";
+        return false;
+    }
+    return true;
+}
+
+
+void
+MusicBrainzPlugin::artistSearchSlot()
+{
+    qDebug() << Q_FUNC_INFO;
+    QNetworkReply* oldReply = qobject_cast<QNetworkReply*>( sender() );
+    if ( !oldReply )
+        return; //timeout will handle it
+
+    QDomDocument doc;
+    doc.setContent( oldReply->readAll() );
+    QDomNodeList domNodeList = doc.elementsByTagName( "artist" );
+    if ( domNodeList.isEmpty() )
+    {
+        emit info( oldReply->property( "requestId" ).toUInt(), oldReply->property( "requestData" ).value< Tomahawk::InfoSystem::InfoRequestData >(), QVariant() );
+        return;
+    }
+
+    QString artist_id = domNodeList.at( 0 ).toElement().attribute( "id" );
+    qDebug() << Q_FUNC_INFO << "FOOBAR:" << artist_id;
+
+    QString requestString( "http://musicbrainz.org/ws/2/release?status=official&type=album|ep" );
+    QUrl url( requestString );
+    url.addQueryItem( "artist", artist_id );
+    QNetworkReply* newReply = m_nam.data()->get( QNetworkRequest( url ) );
+    newReply->setProperty( "requestId", oldReply->property( "requestId" ) );
+    newReply->setProperty( "requestData", oldReply->property( "requestData" ) );
+    connect( newReply, SIGNAL( finished() ), SLOT( albumSearchSlot() ) );
+}
+
+
+void
+MusicBrainzPlugin::albumSearchSlot()
+{
+    qDebug() << Q_FUNC_INFO;
+    QNetworkReply* reply = qobject_cast< QNetworkReply* >( sender() );
+    if ( !reply )
+        return; //timeout will handle it
+
+    QDomDocument doc;
+    doc.setContent( reply->readAll() );
+    QDomNodeList domNodeList = doc.elementsByTagName( "title" );
+    if ( domNodeList.isEmpty() )
+    {
+        emit info( reply->property( "requestId" ).toUInt(), reply->property( "requestData" ).value< Tomahawk::InfoSystem::InfoRequestData >(), QVariant() );
+        return;
+    }
+
+    QStringList albums;
+    for ( int i = 0; i < domNodeList.count(); i++ )
+    {
+        QString album = domNodeList.at( i ).toElement().text();
+        if ( !albums.contains( album ) )
+            albums << album;
+    }
+
+    qDebug() << Q_FUNC_INFO << "Found albums:" << albums;
+    emit info( reply->property( "requestId" ).toUInt(), reply->property( "requestData" ).value< Tomahawk::InfoSystem::InfoRequestData >(), QVariant( albums ) );
+}

src/libtomahawk/infosystem/infoplugins/generic/musicbrainzPlugin.h

@@ -0,0 +1,75 @@
+/* === 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 MUSICBRAINZPLUGIN_H
+#define MUSICBRAINZPLUGIN_H
+
+#include "infosystem/infosystem.h"
+#include "infosystem/infosystemworker.h"
+
+class QNetworkReply;
+
+namespace Tomahawk
+{
+
+namespace InfoSystem
+{
+
+class MusicBrainzPlugin : public InfoPlugin
+{
+    Q_OBJECT
+
+public:
+    MusicBrainzPlugin();
+    virtual ~MusicBrainzPlugin();
+
+public slots:
+    void namChangedSlot( QNetworkAccessManager *nam );
+
+protected slots:
+    virtual void getInfo( uint requestId, Tomahawk::InfoSystem::InfoRequestData requestData );
+
+    virtual void pushInfo( QString caller, Tomahawk::InfoSystem::InfoType type, QVariant data )
+    {
+        Q_UNUSED( caller );
+        Q_UNUSED( type );
+        Q_UNUSED( data );
+    }
+
+virtual void notInCacheSlot( uint requestId, Tomahawk::InfoSystem::InfoCriteriaHash criteria, Tomahawk::InfoSystem::InfoRequestData requestData )
+    {
+        Q_UNUSED( requestId );
+        Q_UNUSED( criteria );
+        Q_UNUSED( requestData );
+    }
+
+private slots:
+    void artistSearchSlot();
+    void albumSearchSlot();
+
+private:
+    bool isValidTrackData( uint requestId, Tomahawk::InfoSystem::InfoRequestData requestData );
+
+    QWeakPointer< QNetworkAccessManager > m_nam;
+};
+
+}
+
+}
+
+#endif // MUSICBRAINZPLUGIN_H

src/libtomahawk/infosystem/infosystem.h

@@ -65,46 +65,48 @@ enum InfoType { // as items are saved in cache, mark them here to not change the
     InfoTrackTempo = 20,
     InfoTrackLoudness = 21,
 
-    InfoArtistID = 22,
+    InfoArtistID = 25,
-    InfoArtistName = 23,
+    InfoArtistName = 26,
-    InfoArtistBiography = 24,
+    InfoArtistBiography = 27,
-    InfoArtistBlog = 25,
-    InfoArtistFamiliarity = 26,
-    InfoArtistHotttness = 27,
     InfoArtistImages = 28, //cached -- do not change
-    InfoArtistNews = 29,
+    InfoArtistBlog = 29,
-    InfoArtistProfile = 30,
+    InfoArtistFamiliarity = 30,
-    InfoArtistReviews = 31,
+    InfoArtistHotttness = 31,
     InfoArtistSongs = 32, //cached -- do not change
     InfoArtistSimilars = 33, //cached -- do not change
-    InfoArtistTerms = 34,
+    InfoArtistNews = 34,
-    InfoArtistLinks = 35,
+    InfoArtistProfile = 35,
-    InfoArtistVideos = 36,
+    InfoArtistReviews = 36,
+    InfoArtistTerms = 37,
+    InfoArtistLinks = 38,
+    InfoArtistVideos = 39,
+    InfoArtistReleases = 40,
 
-    InfoAlbumID = 37,
+    InfoAlbumID = 42,
-    InfoAlbumName = 38,
-    InfoAlbumArtist = 39,
-    InfoAlbumDate = 40,
-    InfoAlbumGenre = 41,
-    InfoAlbumComposer = 42,
     InfoAlbumCoverArt = 43, //cached -- do not change
+    InfoAlbumName = 44,
+    InfoAlbumArtist = 45,
+    InfoAlbumDate = 46,
+    InfoAlbumGenre = 47,
+    InfoAlbumComposer = 48,
+    InfoAlbumSongs = 49,
 
-    InfoMiscTopHotttness = 44,
+    InfoMiscTopHotttness = 60,
-    InfoMiscTopTerms = 45,
+    InfoMiscTopTerms = 61,
 
-    InfoSubmitNowPlaying = 46,
+    InfoSubmitNowPlaying = 70,
-    InfoSubmitScrobble = 47,
+    InfoSubmitScrobble = 71,
 
-    InfoNowPlaying = 48,
+    InfoNowPlaying = 80,
-    InfoNowPaused = 49,
+    InfoNowPaused = 81,
-    InfoNowResumed = 50,
+    InfoNowResumed = 82,
-    InfoNowStopped = 51,
+    InfoNowStopped = 83,
 
-    InfoNoInfo = 52,
+    InfoNoInfo = 90,
-    InfoLove = 53,
+    InfoLove = 91,
-    InfoUnLove = 54,
+    InfoUnLove = 92,
 
-    InfoNotifyUser = 55
+    InfoNotifyUser = 100
 };
 
 struct InfoRequestData {
@@ -143,7 +145,7 @@ protected slots:
     virtual void notInCacheSlot( uint requestId, Tomahawk::InfoSystem::InfoCriteriaHash criteria, Tomahawk::InfoSystem::InfoRequestData requestData ) = 0;
 
     virtual void namChangedSlot( QNetworkAccessManager *nam ) = 0;
-    
+
 protected:
     InfoType m_type;
     QSet< InfoType > m_supportedGetTypes;

src/libtomahawk/infosystem/infosystemworker.cpp

@@ -26,6 +26,8 @@
 #include "infoplugins/generic/echonestplugin.h"
 #include "infoplugins/generic/musixmatchplugin.h"
 #include "infoplugins/generic/lastfmplugin.h"
+#include "infoplugins/generic/musicbrainzPlugin.h"
+
 #ifdef Q_WS_MAC
 #include "infoplugins/mac/adiumplugin.h"
 #endif
@@ -76,9 +78,13 @@ InfoSystemWorker::init( QWeakPointer< Tomahawk::InfoSystem::InfoSystemCache> cac
     InfoPluginPtr mmptr( new MusixMatchPlugin() );
     m_plugins.append( mmptr );
     registerInfoTypes( mmptr, mmptr.data()->supportedGetTypes(), mmptr.data()->supportedPushTypes() );
+    InfoPluginPtr mbptr( new MusicBrainzPlugin() );
+    m_plugins.append( mbptr );
+    registerInfoTypes( mbptr, mbptr.data()->supportedGetTypes(), mbptr.data()->supportedPushTypes() );
     InfoPluginPtr lfmptr( new LastFmPlugin() );
     m_plugins.append( lfmptr );
     registerInfoTypes( lfmptr, lfmptr.data()->supportedGetTypes(), lfmptr.data()->supportedPushTypes() );
+
     #ifdef Q_WS_MAC
     InfoPluginPtr admptr( new AdiumPlugin() );
     m_plugins.append( admptr );
@@ -190,7 +196,7 @@ InfoSystemWorker::getInfo( Tomahawk::InfoSystem::InfoRequestData requestData, ui
     data->input = requestData.input;
     data->customData = requestData.customData;
     m_savedRequestMap[ requestId ] = data;
-    
+
     QMetaObject::invokeMethod( ptr.data(), "getInfo", Qt::QueuedConnection, Q_ARG( uint, requestId ), Q_ARG( Tomahawk::InfoSystem::InfoRequestData, requestData ) );
 }
 
@@ -222,7 +228,7 @@ InfoSystemWorker::infoSlot( uint requestId, Tomahawk::InfoSystem::InfoRequestDat
         qDebug() << Q_FUNC_INFO << " request was already taken care of!";
         return;
     }
-    
+
     m_requestSatisfiedMap[ requestId ] = true;
     emit info( requestData, output );
 
@@ -236,7 +242,7 @@ InfoSystemWorker::infoSlot( uint requestId, Tomahawk::InfoSystem::InfoRequestDat
 
 void
 InfoSystemWorker::checkFinished( const QString &target )
-{    
+{
     Q_FOREACH( InfoType testtype, m_dataTracker[ target ].keys() )
     {
         if ( m_dataTracker[ target ][ testtype ] != 0)
@@ -272,7 +278,7 @@ InfoSystemWorker::checkTimeoutsTimerFired()
                 //doh, timed out
                 qDebug() << Q_FUNC_INFO << " doh, timed out for requestId " << requestId;
                 InfoRequestData *savedData = m_savedRequestMap[ requestId ];
-                
+
                 InfoRequestData returnData;
                 returnData.caller = savedData->caller;
                 returnData.type = savedData->type;
@@ -285,7 +291,7 @@ InfoSystemWorker::checkTimeoutsTimerFired()
 
                 m_dataTracker[ returnData.caller ][ returnData.type ] = m_dataTracker[ returnData.caller ][ returnData.type ] - 1;
                 qDebug() << "current count in dataTracker for target " << returnData.caller << " is " << m_dataTracker[ returnData.caller ][ returnData.type ];
-                
+
                 m_requestSatisfiedMap[ requestId ] = true;
                 m_timeRequestMapper.remove( time, requestId );
                 if ( !m_timeRequestMapper.count( time ) )

src/libtomahawk/playlist/playlistitemdelegate.cpp

@@ -36,6 +36,7 @@
 #include "utils/tomahawkutils.h"
 
 #define PLAYING_ICON QString( RESPATH "images/now-playing-speaker.png" )
+#define ARROW_ICON QString( RESPATH "images/forward.png" )
 
 using namespace Tomahawk;
 
@@ -46,6 +47,7 @@ PlaylistItemDelegate::PlaylistItemDelegate( TrackView* parent, TrackProxyModel*
     , m_model( proxy )
 {
     m_nowPlayingIcon = QPixmap( PLAYING_ICON );
+    m_arrowIcon = QPixmap( ARROW_ICON );
 }
 
 
@@ -94,9 +96,6 @@ PlaylistItemDelegate::prepareStyleOption( QStyleOptionViewItemV4* option, const
         option->state |= QStyle::State_Selected;
     }
 
-    if ( item->isPlaying() || index.column() == TrackModel::Score )
-        option->text.clear();
-
     if ( option->state & QStyle::State_Selected )
     {
         option->palette.setColor( QPalette::Text, option->palette.color( QPalette::HighlightedText ) );
@@ -229,10 +228,19 @@ PlaylistItemDelegate::paintDetailed( QPainter* painter, const QStyleOptionViewIt
 
     QStyleOptionViewItemV4 opt = option;
     prepareStyleOption( &opt, index );
-
+    opt.text.clear();
     qApp->style()->drawControl( QStyle::CE_ItemViewItem, &opt, painter );
 
+    if ( m_view->hoveredIndex().row() == index.row() && m_view->hoveredIndex().column() == index.column() &&
+       ( index.column() == TrackModel::Artist || index.column() == TrackModel::Album ) )
+    {
+        opt.rect.setWidth( opt.rect.width() - 16 );
+        QRect arrowRect( opt.rect.x() + opt.rect.width(), opt.rect.y(), 14, opt.rect.height() );
+        painter->drawPixmap( arrowRect, m_arrowIcon );
+    }
+
     painter->save();
+
     if ( index.column() == TrackModel::Score )
     {
         if ( opt.state & QStyle::State_Selected )
@@ -274,5 +282,14 @@ PlaylistItemDelegate::paintDetailed( QPainter* painter, const QStyleOptionViewIt
             painter->drawText( r.adjusted( 0, 1, 0, 0 ), text, to );
         }
     }
+    else
+    {
+        painter->setPen( opt.palette.text().color() );
+
+        QTextOption to( Qt::AlignVCenter );
+        QString text = painter->fontMetrics().elidedText( index.data().toString(), Qt::ElideRight, opt.rect.width() - 3 );
+        painter->drawText( opt.rect.adjusted( 3, 1, 0, 0 ), text, to );
+    }
+
     painter->restore();
 }

src/libtomahawk/playlist/playlistitemdelegate.h

@@ -53,6 +53,7 @@ private:
 
     unsigned int m_removalProgress;
     QPixmap m_nowPlayingIcon;
+    QPixmap m_arrowIcon;
 
     TrackView* m_view;
     TrackProxyModel* m_model;

src/libtomahawk/playlist/trackview.cpp

@@ -50,6 +50,7 @@ TrackView::TrackView( QWidget* parent )
     , m_dragging( false )
     , m_contextMenu( new ContextMenu( this ) )
 {
+    setMouseTracking( true );
     setAlternatingRowColors( true );
     setSelectionMode( QAbstractItemView::ExtendedSelection );
     setSelectionBehavior( QAbstractItemView::SelectRows );
@@ -435,3 +436,75 @@ TrackView::onMenuTriggered( int action )
             break;
     }
 }
+
+
+void
+TrackView::leaveEvent( QEvent* event )
+{
+    m_hoveredIndex = QModelIndex();
+    setCursor( Qt::ArrowCursor );
+}
+
+
+void
+TrackView::mouseMoveEvent( QMouseEvent* event )
+{
+    QModelIndex idx = indexAt( event->pos() );
+    m_hoveredIndex = idx;
+
+    if ( idx.column() == TrackModel::Artist || idx.column() == TrackModel::Album )
+    {
+        if ( event->pos().x() > header()->sectionViewportPosition( idx.column() ) + header()->sectionSize( idx.column() ) - 16 &&
+             event->pos().x() < header()->sectionViewportPosition( idx.column() ) + header()->sectionSize( idx.column() ) )
+        {
+            setCursor( Qt::PointingHandCursor );
+            return;
+        }
+    }
+
+    setCursor( Qt::ArrowCursor );
+}
+
+
+void
+TrackView::mousePressEvent( QMouseEvent* event )
+{
+    QModelIndex idx = indexAt( event->pos() );
+
+    if ( event->pos().x() > header()->sectionViewportPosition( idx.column() ) + header()->sectionSize( idx.column() ) - 16 &&
+         event->pos().x() < header()->sectionViewportPosition( idx.column() ) + header()->sectionSize( idx.column() ) )
+    {
+        TrackModelItem* item = proxyModel()->itemFromIndex( proxyModel()->mapToSource( idx ) );
+        switch ( idx.column() )
+        {
+            case TrackModel::Artist:
+            {
+                if ( item->query()->results().count() )
+                {
+                    ViewManager::instance()->show( item->query()->results().first()->artist() );
+                }
+                else
+                {
+                    ViewManager::instance()->show( Artist::get( item->query()->artist() ) );
+                }
+                break;
+            }
+
+            case TrackModel::Album:
+            {
+                if ( item->query()->results().count() )
+                {
+                    ViewManager::instance()->show( item->query()->results().first()->album() );
+                }
+                else
+                {
+                    //TODO
+                }
+                break;
+            }
+
+            default:
+                break;
+        }
+    }
+}

src/libtomahawk/playlist/trackview.h

@@ -56,6 +56,7 @@ explicit TrackView( QWidget* parent = 0 );
     OverlayWidget* overlay() const { return m_overlay; }
     Tomahawk::ContextMenu* contextMenu() const { return m_contextMenu; }
 
+    QModelIndex hoveredIndex() const { return m_hoveredIndex; }
     QModelIndex contextMenuIndex() const { return m_contextMenuIndex; }
     void setContextMenuIndex( const QModelIndex& idx ) { m_contextMenuIndex = idx; }
 
@@ -74,6 +75,9 @@ protected:
     virtual void dragMoveEvent( QDragMoveEvent* event );
     virtual void dropEvent( QDropEvent* event );
 
+    void mouseMoveEvent( QMouseEvent* event );
+    void mousePressEvent( QMouseEvent* event );
+    void leaveEvent( QEvent* event );
     void paintEvent( QPaintEvent* event );
     void keyPressEvent( QKeyEvent* event );
 
@@ -96,6 +100,7 @@ private:
     bool m_dragging;
     QRect m_dropRect;
 
+    QModelIndex m_hoveredIndex;
     QModelIndex m_contextMenuIndex;
     Tomahawk::ContextMenu* m_contextMenu;
 };

src/libtomahawk/widgets/infowidgets/ArtistInfoWidget.cpp

@@ -95,9 +95,9 @@ ArtistInfoWidget::load( const artist_ptr& artist )
     requestData.input = artist->name();
     requestData.type = Tomahawk::InfoSystem::InfoArtistBiography;
     Tomahawk::InfoSystem::InfoSystem::instance()->getInfo( requestData );
-    
+
     requestData.input = QVariant::fromValue< Tomahawk::InfoSystem::InfoCriteriaHash >( artistInfo );
-   
+
     requestData.type = Tomahawk::InfoSystem::InfoArtistImages;
     Tomahawk::InfoSystem::InfoSystem::instance()->getInfo( requestData );
 
@@ -106,6 +106,9 @@ ArtistInfoWidget::load( const artist_ptr& artist )
 
     requestData.type = Tomahawk::InfoSystem::InfoArtistSongs;
     Tomahawk::InfoSystem::InfoSystem::instance()->getInfo( requestData );
+
+    requestData.type = Tomahawk::InfoSystem::InfoArtistReleases;
+    Tomahawk::InfoSystem::InfoSystem::instance()->getInfo( requestData );
 }