Check window when IsOutOfScreen() is called.

Change-Id: I7a49f93a884a755e5a78a0ba9a08819e421afef0

diff --git a/widget_viewer_dali/internal/widget_view/widget_view_impl.cpp b/widget_viewer_dali/internal/widget_view/widget_view_impl.cpp
index 9c9591fd0cc4cfb40d49695f6fcd7d8a58b07d05..8ce7e9141d18ad7bc3f87a6adb4feba6aa4f1b62 100644 (file)
--- a/widget_viewer_dali/internal/widget_view/widget_view_impl.cpp
+++ b/widget_viewer_dali/internal/widget_view/widget_view_impl.cpp
@@ -345,24 +345,32 @@ bool WidgetView::IsOutOfScreen()
   }
 
   Window window = DevelWindow::Get( self );
-  RenderTaskList taskList = window.GetRenderTaskList();
-  RenderTask task = taskList.GetTask( 0u );
-  Vector3 cameraPosition = task.GetCameraActor().GetProperty( Actor::Property::WORLD_POSITION ).Get< Vector3 >();
-  Vector3 worldPosition = self.GetProperty( Actor::Property::WORLD_POSITION ).Get< Vector3 >();
-  Vector2 size = self.GetProperty( Actor::Property::SIZE ).Get< Vector2 >();
-  Vector3 worldScale = self.GetProperty( Actor::Property::WORLD_SCALE ).Get< Vector3 >();
+  if( window )
+  {
+    RenderTaskList taskList = window.GetRenderTaskList();
+    RenderTask task = taskList.GetTask( 0u );
+    Vector3 cameraPosition = task.GetCameraActor().GetProperty( Actor::Property::WORLD_POSITION ).Get< Vector3 >();
+    Vector3 worldPosition = self.GetProperty( Actor::Property::WORLD_POSITION ).Get< Vector3 >();
+    Vector2 size = self.GetProperty( Actor::Property::SIZE ).Get< Vector2 >();
+    Vector3 worldScale = self.GetProperty( Actor::Property::WORLD_SCALE ).Get< Vector3 >();
 
-  Vector2 windowSize = window.GetSize();
-  worldPosition -= cameraPosition;
+    Vector2 windowSize = window.GetSize();
+    worldPosition -= cameraPosition;
 
-  Vector2 actorSize = Vector2(size.width*worldScale.x , size.height*worldScale.y);
-  if( worldPosition.x >= (-0.5f)*(actorSize.width + windowSize.width) && worldPosition.x <= (0.5f)*(actorSize.width + windowSize.width) )
-  {
-    if( worldPosition.y >= (-0.5f)*(actorSize.height + windowSize.height) && worldPosition.y <= (0.5f)*(actorSize.height + windowSize.height) )
+    Vector2 actorSize = Vector2(size.width*worldScale.x , size.height*worldScale.y);
+    if( worldPosition.x >= (-0.5f)*(actorSize.width + windowSize.width) && worldPosition.x <= (0.5f)*(actorSize.width + windowSize.width) )
     {
-      return false;
+      if( worldPosition.y >= (-0.5f)*(actorSize.height + windowSize.height) && worldPosition.y <= (0.5f)*(actorSize.height + windowSize.height) )
+      {
+        return false;
+      }
     }
   }
+  else
+  {
+    DALI_LOG_ERROR("Window handle is empty \n");
+  }
+
   return true;
 }