Fix performance issue with copyright notice

Skip evaluating copyrights when the notice is not visible.
The implication of this patch is that copyright information
won't be up to date or even available unless there is an
"attached" copyright notice that has the visible property
set to true.

Task-number: QTBUG-64880
Change-Id: I3750b61913becb0cbf31273ad9a76ae1a2b6a393
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/location/declarativemaps/qdeclarativegeomap_p.h b/src/location/declarativemaps/qdeclarativegeomap_p.h
index e8ff3265..6b765269 100644
--- a/src/location/declarativemaps/qdeclarativegeomap_p.h
+++ b/src/location/declarativemaps/qdeclarativegeomap_p.h
@@ -236,6 +236,7 @@ private Q_SLOTS:
     void onMapChildrenChanged();
     void onSupportedMapTypesChanged();
     void onCameraCapabilitiesChanged(const QGeoCameraCapabilities &oldCameraCapabilities);
+    void onAttachedCopyrightNoticeVisibilityChanged();
 
 private:
     void setupMapView(QDeclarativeGeoMapItemView *view);
@@ -244,6 +245,8 @@ private:
     void fitViewportToMapItemsRefine(bool refine, bool onlyVisible);
     void fitViewportToGeoShape();
     bool isInteractive();
+    void attachCopyrightNotice(bool initialVisibility);
+    void detachCopyrightNotice(bool currentVisibility);
 
 private:
     QDeclarativeGeoServiceProvider *m_plugin;
@@ -281,6 +284,8 @@ private:
     qreal m_userMinimumFieldOfView;
     qreal m_userMaximumFieldOfView;
 
+    int m_copyNoticesVisible = 0;
+
     friend class QDeclarativeGeoMapItem;
     friend class QDeclarativeGeoMapItemView;
     friend class QQuickGeoMapGestureArea;