Merge pull request #490 from tomahawk-player/preferred-result

Enable setting a preferred result on a query

src/libtomahawk/Query.cpp

@@ -194,7 +194,7 @@ Query::addResults( const QList< Tomahawk::result_ptr >& newresults )
         }*/
 
         d->results << newresults;
-        qStableSort( d->results.begin(), d->results.end(), std::bind( &Query::resultSorter, this, std::placeholders::_1, std::placeholders::_2 ) );
+        sortResults();
 
         // hook up signals, and check solved status
         foreach( const result_ptr& rp, newresults )
@@ -258,7 +258,7 @@ Query::onResultStatusChanged()
         Q_D( Query );
         QMutexLocker lock( &d->mutex );
         if ( !d->results.isEmpty() )
-            qStableSort( d->results.begin(), d->results.end(), std::bind( &Query::resultSorter, this, std::placeholders::_1, std::placeholders::_2 ) );
+            sortResults();
     }
 
     checkResults();
@@ -273,6 +273,11 @@ Query::removeResult( const Tomahawk::result_ptr& result )
         Q_D( Query );
         QMutexLocker lock( &d->mutex );
         d->results.removeAll( result );
+        if ( d->preferredResult == result )
+        {
+            d->preferredResult.clear();
+        }
+        sortResults();
     }
 
     emit resultsRemoved( result );
@@ -396,6 +401,15 @@ Query::id() const
 bool
 Query::resultSorter( const result_ptr& left, const result_ptr& right )
 {
+    Q_D( Query );
+    if ( !d->preferredResult.isNull() )
+    {
+        if ( d->preferredResult == left )
+            return true;
+        if ( d->preferredResult == right )
+            return false;
+    }
+
     const float ls = left->isOnline() ? howSimilar( left ) : 0.0;
     const float rs = right->isOnline() ? howSimilar( right ) : 0.0;
 
@@ -427,6 +441,30 @@ Query::resultSorter( const result_ptr& left, const result_ptr& right )
 }
 
 
+result_ptr
+Query::preferredResult() const
+{
+    Q_D( const Query );
+    return d->preferredResult;
+}
+
+
+void
+Query::setPreferredResult( const result_ptr& result )
+{
+    {
+        Q_D( Query );
+        QMutexLocker lock( &d->mutex );
+
+        Q_ASSERT( d->results.contains( result ) );
+        d->preferredResult = result;
+        sortResults();
+    }
+
+    emit resultsChanged();
+}
+
+
 void
 Query::setCurrentResolver( Tomahawk::Resolver* resolver )
 {
@@ -734,3 +772,11 @@ Query::setWeakRef( QWeakPointer<Query> weakRef )
     Q_D( Query );
     d->ownRef = weakRef;
 }
+
+
+void
+Query::sortResults()
+{
+    Q_D( Query );
+    qStableSort( d->results.begin(), d->results.end(), std::bind( &Query::resultSorter, this, std::placeholders::_1, std::placeholders::_2 ) );
+}

src/libtomahawk/Query.h

@@ -112,6 +112,8 @@ public:
 
     /// sorter for list of results
     bool resultSorter( const result_ptr& left, const result_ptr& right );
+    result_ptr preferredResult() const;
+    void setPreferredResult( const result_ptr& result );
 
 signals:
     void resultsAdded( const QList<Tomahawk::result_ptr>& );
@@ -158,6 +160,7 @@ private:
     void setCurrentResolver( Tomahawk::Resolver* resolver );
     void clearResults();
     void checkResults();
+    void sortResults();
 };
 
 } //ns

src/libtomahawk/Query_p.h

@@ -39,6 +39,7 @@ private:
     QList< Tomahawk::artist_ptr > artists;
     QList< Tomahawk::album_ptr > albums;
     QList< Tomahawk::result_ptr > results;
+    Tomahawk::result_ptr preferredResult;
 
     float score;
     bool solved;

src/libtomahawk/playlist/TrackDetailView.cpp

@@ -198,7 +198,7 @@ TrackDetailView::setQuery( const Tomahawk::query_ptr& query )
 
     connect( m_query->track().data(), SIGNAL( updated() ), SLOT( onCoverUpdated() ) );
     connect( m_query->track().data(), SIGNAL( socialActionsLoaded() ), SLOT( onSocialActionsLoaded() ) );
-    connect( m_query.data(), SIGNAL( resultsChanged() ), SLOT( onResultsChanged() ) );
+    connect( m_query.data(), SIGNAL( resultsChanged() ), SLOT( onResultsChanged() ), Qt::QueuedConnection );
     connect( m_query.data(), SIGNAL( resultsChanged() ), SLOT( onAlbumUpdated() ) );
 }
 
@@ -388,7 +388,7 @@ TrackDetailView::onResultsChanged()
             resolverIcon->setFixedWidth( 12 );
             resolverIcon->setPixmap( result->sourceIcon( TomahawkUtils::RoundedCorners, QSize( 12, 12 ) ) );
 
-            QLabel* resolverLabel = new ClickableLabel( this );
+            ClickableLabel* resolverLabel = new ClickableLabel( this );
             resolverLabel->setFont( f );
             resolverLabel->setStyleSheet( "QLabel { color: rgba( 0, 0, 0, 50% ) }" );
             resolverLabel->setText( QString( "%1 - %2" ).arg( result->track()->track() ).arg( result->track()->artist() ) );
@@ -403,8 +403,8 @@ TrackDetailView::onResultsChanged()
                                                             ;
             resolverLabel->setFixedWidth( width() - 32 - 4 );
 
-            NewClosure( resolverLabel, SIGNAL( clicked() ), const_cast< AudioEngine* >( AudioEngine::instance() ),
-                                        SLOT( playItem( Tomahawk::playlistinterface_ptr, Tomahawk::result_ptr, Tomahawk::query_ptr ) ),
+            NewClosure( resolverLabel, SIGNAL( clicked() ), const_cast< TrackDetailView* >( this ),
+                                        SLOT( onResultClicked( Tomahawk::playlistinterface_ptr, Tomahawk::result_ptr, Tomahawk::query_ptr ) ),
                                         m_playlistInterface, result, m_query )->setAutoDelete( false );
 
             QWidget* hbox = new QWidget;
@@ -441,3 +441,11 @@ TrackDetailView::setBuyButtonVisible( bool visible )
 {
     m_buyButtonVisible = visible;
 }
+
+
+void
+TrackDetailView::onResultClicked( const Tomahawk::playlistinterface_ptr& playlist, const Tomahawk::result_ptr& result, const Tomahawk::query_ptr& fromQuery )
+{
+    fromQuery->setPreferredResult( result );
+    AudioEngine::instance()->playItem( playlist, result, fromQuery );
+}

src/libtomahawk/playlist/TrackDetailView.h

@@ -64,6 +64,8 @@ private slots:
     void onBuyButtonClicked();
     void onDownloadManagerStateChanged( DownloadManager::DownloadManagerState newState, DownloadManager::DownloadManagerState oldState );
 
+    void onResultClicked( const Tomahawk::playlistinterface_ptr& playlist, const Tomahawk::result_ptr& result, const Tomahawk::query_ptr& fromQuery );
+
 private:
     void setSocialActions();