Show radio icon rather than nothing in notification.

data/data.qrc

@@ -34,6 +34,7 @@
         <file>copy.png</file>
         <file>move.png</file>
         <file>last.fm/as.png</file>
+        <file>last.fm/lastfm.png</file>
         <file>last.fm/loved_radio.png</file>
         <file>last.fm/neighbour_radio.png</file>
         <file>last.fm/personal_radio.png</file>

src/lastfmservice.h

@@ -90,6 +90,8 @@ class LastFMService : public RadioService {
 
   void ReloadSettings();
 
+  virtual QString Icon() { return ":last.fm/lastfm.png"; }
+
   // Last.fm specific stuff
   bool IsAuthenticated() const;
   bool IsScrobblingEnabled() const { return scrobbling_enabled_; }

src/radioplaylistitem.cpp

@@ -62,6 +62,13 @@ void RadioPlaylistItem::InitMetadata() {
 
   metadata_.set_artist(artist_);
   metadata_.set_filetype(Song::Type_Stream);
+
+  if (service_) {
+    QString icon = service_->Icon();
+    if (!icon.isEmpty()) {
+      metadata_.set_art_manual(icon);
+    }
+  }
 }
 
 Song RadioPlaylistItem::Metadata() const {

src/radioservice.h

@@ -53,6 +53,8 @@ class RadioService : public QObject {
 
   virtual void ReloadSettings() {}
 
+  virtual QString Icon() { return QString(); }
+
  signals:
   void TaskStarted(MultiLoadingIndicator::TaskType);
   void TaskFinished(MultiLoadingIndicator::TaskType);