Use QDeclarativeChangeSet to communicate changes to views.

Allows QSGVisualDataModel to send multiple changes at a time. Changes
sets with multiple changes will be generated by VisualDataModels with
items that have been re-ordered or filtered.

Task-number: QTBUG-20107
Change-Id: I28f2620431cc89c61e1061635ffb68dc5801675c
Reviewed-on: http://codereview.qt-project.org/4034
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Bea Lam <bea.lam@nokia.com>
Reviewed-by: Alan Alpert <alan.alpert@nokia.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/src/declarative/items/qsgvisualitemmodel_p.h b/src/declarative/items/qsgvisualitemmodel_p.h
index 2eeff3c9c2..6e8606cc6b 100644
--- a/src/declarative/items/qsgvisualitemmodel_p.h
+++ b/src/declarative/items/qsgvisualitemmodel_p.h
@@ -53,6 +53,7 @@ QT_BEGIN_NAMESPACE
 QT_MODULE(Declarative)
 
 class QSGItem;
+class QDeclarativeChangeSet;
 
 class Q_DECLARATIVE_EXPORT QSGVisualModel : public QObject
 {
@@ -79,11 +80,7 @@ public:
 
 Q_SIGNALS:
     void countChanged();
-    void itemsInserted(int index, int count);
-    void itemsRemoved(int index, int count);
-    void itemsMoved(int from, int to, int count);
-    void itemsChanged(int index, int count);
-    void modelReset();
+    void modelUpdated(const QDeclarativeChangeSet &changeSet, bool reset);
     void createdItem(int index, QSGItem *item);
     void destroyingItem(QSGItem *item);