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
10namespace gfx {
11class Rect;
12}
13
14namespace mojo {
15namespace service {
16
17class ServerView;
18
19class 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:
42  virtual ~ServerViewDelegate() {}
43};
44
45}  // namespace service
46}  // namespace mojo
47
48#endif  // MOJO_SERVICES_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_
49