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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef MOJO_SERVICES_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_
6 #define MOJO_SERVICES_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_
7 
8 #include "mojo/services/view_manager/view_manager_export.h"
9 
10 namespace gfx {
11 class Rect;
12 }
13 
14 namespace mojo {
15 namespace service {
16 
17 class ServerView;
18 
19 class MOJO_VIEW_MANAGER_EXPORT ServerViewDelegate {
20  public:
21   // Invoked at the end of the View's destructor (after it has been removed from
22   // the hierarchy).
23   virtual void OnViewDestroyed(const ServerView* view) = 0;
24 
25   virtual void OnWillChangeViewHierarchy(const ServerView* view,
26                                          const ServerView* new_parent,
27                                          const ServerView* old_parent) = 0;
28 
29   virtual void OnViewHierarchyChanged(const ServerView* view,
30                                       const ServerView* new_parent,
31                                       const ServerView* old_parent) = 0;
32 
33   virtual void OnViewBoundsChanged(const ServerView* view,
34                                    const gfx::Rect& old_bounds,
35                                    const gfx::Rect& new_bounds) = 0;
36 
37   virtual void OnViewSurfaceIdChanged(const ServerView* view) = 0;
38 
39   virtual void OnWillChangeViewVisibility(const ServerView* view) = 0;
40 
41  protected:
~ServerViewDelegate()42   virtual ~ServerViewDelegate() {}
43 };
44 
45 }  // namespace service
46 }  // namespace mojo
47 
48 #endif  // MOJO_SERVICES_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_
49