Changes view manager to report visibility and drawn state

mojo/services/view_manager/connection_manager.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_CONNECTION_MANAGER_H_
 #define MOJO_SERVICES_VIEW_MANAGER_CONNECTION_MANAGER_H_
 
 #include <map>
 #include <set>
 
@@ skipping 107 matching lines @@
   const ViewManagerServiceImpl* GetConnectionWithRoot(const ViewId& id) const;
 
   void DispatchViewInputEventToWindowManager(EventPtr event);
 
   // These functions trivially delegate to all ViewManagerServiceImpls, which in
   // term notify their clients.
   void ProcessViewDestroyed(ServerView* view);
   void ProcessViewBoundsChanged(const ServerView* view,
                                 const gfx::Rect& old_bounds,
                                 const gfx::Rect& new_bounds);
+  void ProcessWillChangeViewHierarchy(const ServerView* view,
+                                      const ServerView* new_parent,
+                                      const ServerView* old_parent);
   void ProcessViewHierarchyChanged(const ServerView* view,
                                    const ServerView* new_parent,
                                    const ServerView* old_parent);
   void ProcessViewReorder(const ServerView* view,
                           const ServerView* relative_view,
                           const OrderDirection direction);
   void ProcessViewDeleted(const ViewId& view);
 
  private:
   // Used to setup any static state needed by ConnectionManager.
@@ skipping 22 matching lines @@
 
   // Implementation of the two embed variants.
   ViewManagerServiceImpl* EmbedImpl(
       ConnectionSpecificId creator_id,
       const String& url,
       const ViewId& root_id,
       InterfaceRequest<ServiceProvider> service_provider);
 
   // Overridden from ServerViewDelegate:
   virtual void OnViewDestroyed(const ServerView* view) OVERRIDE;
+  virtual void OnWillChangeViewHierarchy(const ServerView* view,
+                                         const ServerView* new_parent,
+                                         const ServerView* old_parent) OVERRIDE;
   virtual void OnViewHierarchyChanged(const ServerView* view,
                                       const ServerView* new_parent,
                                       const ServerView* old_parent) OVERRIDE;
   virtual void OnViewBoundsChanged(const ServerView* view,
                                    const gfx::Rect& old_bounds,
                                    const gfx::Rect& new_bounds) OVERRIDE;
   virtual void OnViewBitmapChanged(const ServerView* view) OVERRIDE;
+  virtual void OnWillChangeViewVisibility(const ServerView* view) OVERRIDE;
 
   Context context_;
 
   ApplicationConnection* app_connection_;
 
   // ID to use for next ViewManagerServiceImpl.
   ConnectionSpecificId next_connection_id_;
 
   // Set of ViewManagerServiceImpls.
   ConnectionMap connection_map_;
@@ skipping 10 matching lines @@
   // (it's created on the stack by ViewManagerServiceImpl).
   ScopedChange* current_change_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionManager);
 };
 
 }  // namespace service
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_VIEW_MANAGER_CONNECTION_MANAGER_H_