qml: update default placeholder of generated covers

modules/gui/qt/medialibrary/mlgenremodel.cpp

@@ -82,6 +82,20 @@ QHash<int, QByteArray> MLGenreModel::roleNames() const
     };
 }
 
+
+QString MLGenreModel::getCoverDefault() const
+{
+    return m_coverDefault;
+}
+
+void MLGenreModel::setCoverDefault(const QString& defaultCover)
+{
+    if (m_coverDefault == defaultCover)
+        return;
+    m_coverDefault = defaultCover;
+    emit coverDefaultChanged();
+}
+
 void MLGenreModel::onVlcMlEvent(const MLEvent &event)
 {
     switch (event.i_type)
@@ -137,7 +151,7 @@ QString MLGenreModel::getCover(MLGenre * genre) const
     genre->setGenerator(true);
     m_mediaLib->runOnMLThread<Context>(this,
     //ML thread
-    [genreId]
+    [genreId, coverDefault = m_coverDefault]
     (vlc_medialibrary_t* ml, Context& ctx)
     {
         CoverGenerator generator{ml, genreId};
@@ -152,7 +166,8 @@ QString MLGenreModel::getCover(MLGenre * genre) const
 
         generator.setBlur(MLGENREMODEL_COVER_BLUR);
 
-        generator.setDefaultThumbnail(":/noart_album.svg");
+        if (!coverDefault.isEmpty())
+            generator.setDefaultThumbnail(coverDefault);
 
         if (generator.cachedFileAvailable())
             ctx.cover = generator.cachedFileURL();

modules/gui/qt/medialibrary/mlgenremodel.hpp

@@ -31,6 +31,9 @@ class MLGenreModel : public MLBaseModel
 {
     Q_OBJECT
 
+    Q_PROPERTY(QString coverDefault READ getCoverDefault WRITE setCoverDefault
+               NOTIFY coverDefaultChanged FINAL)
+
 public:
     enum Roles
     {
@@ -49,6 +52,12 @@ public:
 
     QHash<int, QByteArray> roleNames() const override;
 
+    QString getCoverDefault() const;
+    void setCoverDefault(const QString& defaultCover);
+
+signals:
+    void coverDefaultChanged() const;
+
 protected:
     QVariant itemRoleData(MLItem *item, int role) const override;
 
@@ -61,6 +70,8 @@ private:
 
     QString getCover(MLGenre * genre) const;
 
+    QString m_coverDefault;
+
 private:
     struct Loader : public BaseLoader
     {

modules/gui/qt/medialibrary/mlplaylistlistmodel.cpp

@@ -316,7 +316,8 @@ QString MLPlaylistListModel::getCover(MLPlaylist * playlist) const
 
         generator.setSize(coverSize);
 
-        generator.setDefaultThumbnail(coverDefault);
+        if (!coverDefault.isEmpty())
+            generator.setDefaultThumbnail(coverDefault);
 
         generator.setPrefix(coverPrefix);
 

modules/gui/qt/medialibrary/qml/MusicGenres.qml

@@ -74,6 +74,8 @@ FocusScope {
         id: genreModel
         ml: MediaLib
 
+        coverDefault: VLCStyle.noArtAlbumCover
+
         onCountChanged: {
             if (genreModel.count > 0 && !selectionModel.hasSelection) {
                 root.resetFocus()

modules/gui/qt/medialibrary/qml/PlaylistMediaList.qml

@@ -176,7 +176,7 @@ FocusScope {
         coverSize: (isMusic) ? Qt.size(512, 512)
                              : Qt.size(1024, 640)
 
-        coverDefault: (isMusic) ? ":/noart_album.svg" : ":/noart_videoCover.svg"
+        coverDefault: (isMusic) ? VLCStyle.noArtAlbumCover : VLCStyle.noArtVideoCover
 
         coverPrefix: (isMusic) ? "playlist-music" : "playlist-video"
 

modules/gui/qt/util/covergenerator.cpp

@@ -47,7 +47,7 @@ static const QString COVERGENERATOR_STORAGE = "/art/qt-covers";
 
 static const int COVERGENERATOR_COUNT = 2;
 
-static const QString COVERGENERATOR_DEFAULT = ":/noart.png";
+static const QString COVERGENERATOR_DEFAULT = ":/noart_albumCover.svg";
 
 //-------------------------------------------------------------------------------------------------
 // Ctor / dtor