qt: rename mlbasemodel property

modules/gui/qt/maininterface/qml/MainViewLoader.qml

@@ -70,7 +70,7 @@ Widgets.StackViewExt {
     }
 
     property var currentComponent: {
-        if (typeof model === "undefined" || !model || !Helpers.get(model, "isReady", true))
+        if (typeof model === "undefined" || !model || Helpers.get(model, "loading", true))
             return null // invalid state
         if (model.count === 0)
             return emptyLabel

modules/gui/qt/medialibrary/mlbasemodel.cpp

@@ -39,8 +39,8 @@ MLBaseModel::MLBaseModel(QObject *parent)
 {
     connect( this, &MLBaseModel::resetRequested, this, &MLBaseModel::onResetRequested );
 
-    connect( this, &MLBaseModel::mlChanged, this, &MLBaseModel::isReadyChanged );
-    connect( this, &MLBaseModel::countChanged, this, &MLBaseModel::isReadyChanged );
+    connect( this, &MLBaseModel::mlChanged, this, &MLBaseModel::loadingChanged );
+    connect( this, &MLBaseModel::countChanged, this, &MLBaseModel::loadingChanged );
 }
 
 /* For std::unique_ptr, see Effective Modern C++, Item 22 */
@@ -485,7 +485,7 @@ void MLBaseModel::validateCache() const
 
     m_cache->initCount();
 
-    emit isReadyChanged();
+    emit loadingChanged();
 }
 
 
@@ -502,7 +502,7 @@ void MLBaseModel::invalidateCache()
     if (m_cache)
     {
         m_cache->invalidate();
-        emit isReadyChanged();
+        emit loadingChanged();
     }
     else
         validateCache();
@@ -645,7 +645,7 @@ MLQueryParams MLBaseModel::BaseLoader::getParams(size_t index, size_t count) con
     return { m_searchPattern.toUtf8(), m_sort, m_sort_desc, index, count };
 }
 
-bool MLBaseModel::isReady() const
+bool MLBaseModel::loading() const
 {
-    return (m_mediaLib && m_cache && (m_cache->count() != COUNT_UNINITIALIZED));
+    return !(m_mediaLib && m_cache && (m_cache->count() != COUNT_UNINITIALIZED));
 }

modules/gui/qt/medialibrary/mlbasemodel.hpp

@@ -60,8 +60,11 @@ class MLBaseModel : public QAbstractListModel, public QQmlParserStatus
 
     Q_PROPERTY(unsigned int count READ getCount NOTIFY countChanged FINAL)
 
-    // isReady is true when the ml object is not null and the cache count is initialized
-    Q_PROPERTY(bool isReady READ isReady NOTIFY isReadyChanged FINAL)
+    /**
+     * @brief loading
+     * @return true till no data is available
+     */
+    Q_PROPERTY(bool loading READ loading NOTIFY loadingChanged FINAL)
 
 public:
     explicit MLBaseModel(QObject *parent = nullptr);
@@ -92,7 +95,7 @@ signals:
     void sortOrderChanged();
     void sortCriteriaChanged();
     void countChanged(unsigned int) const;
-    void isReadyChanged() const;
+    void loadingChanged() const;
 
 protected slots:
     void onResetRequested();
@@ -181,7 +184,7 @@ public:
     int rowCount(const QModelIndex &parent = {}) const override;
     virtual unsigned int getCount() const;
 
-    bool isReady() const;
+    bool loading() const;
 
 private:
     void onCacheDataChanged(int first, int last);

modules/gui/qt/medialibrary/qml/MusicArtistsAlbums.qml

@@ -250,7 +250,7 @@ FocusScope {
 
     Widgets.EmptyLabelButton {
         anchors.fill: parent
-        visible: artistModel.isReady && (artistModel.count <= 0)
+        visible: !artistModel.loading && (artistModel.count <= 0)
         focus: visible
         text: I18n.qtr("No artists found\nPlease try adding sources, by going to the Browse tab")
         Navigation.parentItem: root

modules/gui/qt/medialibrary/qml/MusicTracksDisplay.qml

@@ -74,7 +74,7 @@ FocusScope {
 
     Widgets.EmptyLabelButton {
         anchors.fill: parent
-        visible: tracklistdisplay_id.model.isReady && (tracklistdisplay_id.model.count <= 0)
+        visible: !tracklistdisplay_id.model.loading && (tracklistdisplay_id.model.count <= 0)
         focus: visible
         text: I18n.qtr("No tracks found\nPlease try adding sources, by going to the Browse tab")
         Navigation.parentItem: root

modules/gui/qt/medialibrary/qml/PlaylistMediaDisplay.qml

@@ -199,7 +199,7 @@ FocusScope {
     Widgets.EmptyLabelButton {
         anchors.fill: parent
 
-        visible: model.isReady && (model.count <= 0)
+        visible: !model.loading && (model.count <= 0)
 
         focus: visible