Update the moodbar column on the correct model

src/moodbar/moodbaritemdelegate.cpp

@@ -23,10 +23,12 @@
 #include "core/closure.h"
 #include "core/qhash_qurl.h"
 #include "playlist/playlist.h"
+#include "playlist/playlistview.h"
 
 #include <QApplication>
 #include <QPainter>
 #include <QSettings>
+#include <QSortFilterProxyModel>
 #include <QtConcurrentRun>
 
 MoodbarItemDelegate::Data::Data()
@@ -34,9 +36,11 @@ MoodbarItemDelegate::Data::Data()
 {
 }
 
-MoodbarItemDelegate::MoodbarItemDelegate(Application* app, QObject* parent)
+MoodbarItemDelegate::MoodbarItemDelegate(Application* app, PlaylistView* view,
+                                         QObject* parent)
   : QItemDelegate(parent),
     app_(app),
+    view_(view),
     style_(MoodbarRenderer::Style_Normal)
 {
   connect(app_, SIGNAL(SettingsChanged()), SLOT(ReloadSettings()));
@@ -244,12 +248,19 @@ void MoodbarItemDelegate::ImageLoaded(const QUrl& url, QFutureWatcher<QImage>* w
 
   data->pixmap_ = QPixmap::fromImage(image);
   data->state_ = Data::State_Loaded;
+  
+  Playlist* playlist = view_->playlist();
+  const QSortFilterProxyModel* filter = playlist->proxy();
 
   // Update all the indices with the new pixmap.
   foreach (const QPersistentModelIndex& index, data->indexes_) {
     if (index.isValid() && index.sibling(index.row(), Playlist::Column_Filename).data().toUrl() == url) {
-      const_cast<Playlist*>(reinterpret_cast<const Playlist*>(index.model()))
-          ->MoodbarUpdated(index);
+      Q_ASSERT(index.model() == filter);
+      QModelIndex source_index(filter->mapToSource(index));
+      
+      Q_ASSERT(source_index.model() == playlist);
+      
+      playlist->MoodbarUpdated(source_index);
     }
   }
 }

src/moodbar/moodbaritemdelegate.h

@@ -27,6 +27,7 @@
 
 class Application;
 class MoodbarPipeline;
+class PlaylistView;
 
 class QModelIndex;
 
@@ -34,7 +35,7 @@ class MoodbarItemDelegate : public QItemDelegate {
   Q_OBJECT
 
 public:
-  MoodbarItemDelegate(Application* app, QObject* parent = 0);
+  MoodbarItemDelegate(Application* app, PlaylistView* view, QObject* parent = 0);
 
   void paint(QPainter* painter, const QStyleOptionViewItem& option,
              const QModelIndex& index) const;
@@ -79,6 +80,7 @@ private:
 
 private:
   Application* app_;
+  PlaylistView* view_;
   QCache<QUrl, Data> data_;
 
   MoodbarRenderer::MoodbarStyle style_;

src/playlist/playlistview.cpp

@@ -205,7 +205,7 @@ void PlaylistView::SetItemDelegates(LibraryBackend* backend) {
   setItemDelegateForColumn(Playlist::Column_LastPlayed, new LastPlayedItemDelegate(this));
 
 #ifdef HAVE_MOODBAR
-  setItemDelegateForColumn(Playlist::Column_Mood, new MoodbarItemDelegate(app_, this));
+  setItemDelegateForColumn(Playlist::Column_Mood, new MoodbarItemDelegate(app_, this, this));
 #endif
   
   if (app_ && app_->player()) {