Changes view manager to report visibility and drawn state

mojo/services/view_manager/view_manager_service_impl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_SERVICES_VIEW_MANAGER_VIEW_MANAGER_SERVICE_IMPL_H_
 #define MOJO_SERVICES_VIEW_MANAGER_VIEW_MANAGER_SERVICE_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 59 matching lines @@
   // Invoked when a connection is destroyed.
   void OnViewManagerServiceImplDestroyed(ConnectionSpecificId id);
 
   // The following methods are invoked after the corresponding change has been
   // processed. They do the appropriate bookkeeping and update the client as
   // necessary.
   void ProcessViewBoundsChanged(const ServerView* view,
                                 const gfx::Rect& old_bounds,
                                 const gfx::Rect& new_bounds,
                                 bool originated_change);
+  void ProcessWillChangeViewHierarchy(const ServerView* view,
+                                      const ServerView* new_parent,
+                                      const ServerView* old_parent,
+                                      bool originated_change);
   void ProcessViewHierarchyChanged(const ServerView* view,
                                    const ServerView* new_parent,
                                    const ServerView* old_parent,
                                    bool originated_change);
   void ProcessViewReorder(const ServerView* view,
                           const ServerView* relative_view,
                           OrderDirection direction,
                           bool originated_change);
   void ProcessViewDeleted(const ViewId& view, bool originated_change);
+  void ProcessWillChangeViewVisibility(const ServerView* view,
+                                       bool originated_change);
 
   // TODO(sky): move this to private section (currently can't because of
   // bindings).
   // InterfaceImp overrides:
   virtual void OnConnectionError() MOJO_OVERRIDE;
 
  private:
   typedef std::map<ConnectionSpecificId, ServerView*> ViewMap;
   typedef base::hash_set<Id> ViewIdSet;
 
@@ skipping 30 matching lines @@
   // see are set to NULL (in the returned ViewData(s)).
   Array<ViewDataPtr> ViewsToViewDatas(
       const std::vector<const ServerView*>& views);
   ViewDataPtr ViewToViewData(const ServerView* view);
 
   // Implementation of GetViewTree(). Adds |view| to |views| and recurses if
   // CanDescendIntoViewForViewTree() returns true.
   void GetViewTreeImpl(const ServerView* view,
                        std::vector<const ServerView*>* views) const;
 
+  // Notify the client if the drawn state of any of the roots changes.
+  // |view| is the view that is changing to the drawn state |new_drawn_value|.
+  void NotifyDrawnStateChanged(const ServerView* view, bool new_drawn_value);
+
   // ViewManagerService:
   virtual void CreateView(Id transport_view_id,
                           const Callback<void(ErrorCode)>& callback) OVERRIDE;
   virtual void DeleteView(Id transport_view_id,
                           const Callback<void(bool)>& callback) OVERRIDE;
   virtual void AddView(Id parent_id,
                        Id child_id,
                        const Callback<void(bool)>& callback) OVERRIDE;
   virtual void RemoveViewFromParent(
       Id view_id,
@@ skipping 72 matching lines @@
 };
 
 #if defined(OS_WIN)
 #pragma warning(pop)
 #endif
 
 }  // namespace service
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_VIEW_MANAGER_VIEW_MANAGER_SERVICE_IMPL_H_