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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_AURA_WINDOW_TREE_HOST_OBSERVER_H_ | 5 #ifndef UI_AURA_WINDOW_TREE_HOST_OBSERVER_H_ |
6 #define UI_AURA_WINDOW_TREE_HOST_OBSERVER_H_ | 6 #define UI_AURA_WINDOW_TREE_HOST_OBSERVER_H_ |
7 | 7 |
8 #include "ui/aura/aura_export.h" | 8 #include "ui/aura/aura_export.h" |
9 | 9 |
10 namespace gfx { | 10 namespace gfx { |
11 class Point; | 11 class Point; |
12 } | 12 } |
13 | 13 |
14 namespace aura { | 14 namespace aura { |
15 class Window; | 15 class Window; |
16 class WindowTreeHost; | 16 class WindowTreeHost; |
17 | 17 |
18 class AURA_EXPORT WindowTreeHostObserver { | 18 class AURA_EXPORT WindowTreeHostObserver { |
19 public: | 19 public: |
20 // Called when the host's client size has changed. | 20 // Called when the host's client size has changed. |
21 virtual void OnHostResized(const WindowTreeHost* host) {} | 21 virtual void OnHostResized(const WindowTreeHost* host) {} |
22 | 22 |
23 // Called when the host is moved on screen. | 23 // Called when the host is moved on screen. |
24 virtual void OnHostMoved(const WindowTreeHost* host, | 24 virtual void OnHostMoved(const WindowTreeHost* host, |
25 const gfx::Point& new_origin) {} | 25 const gfx::Point& new_origin) {} |
26 | 26 |
| 27 // Called when the host is moved to a different workspace. |
| 28 virtual void OnHostWorkspaceChanged(const WindowTreeHost* host) {} |
| 29 |
27 // Called when the native window system sends the host request to close. | 30 // Called when the native window system sends the host request to close. |
28 virtual void OnHostCloseRequested(const WindowTreeHost* host) {} | 31 virtual void OnHostCloseRequested(const WindowTreeHost* host) {} |
29 | 32 |
30 protected: | 33 protected: |
31 virtual ~WindowTreeHostObserver() {} | 34 virtual ~WindowTreeHostObserver() {} |
32 }; | 35 }; |
33 | 36 |
34 } // namespace aura | 37 } // namespace aura |
35 | 38 |
36 #endif // UI_AURA_WINDOW_TREE_HOST_OBSERVER_H_ | 39 #endif // UI_AURA_WINDOW_TREE_HOST_OBSERVER_H_ |
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