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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_VIEWS_COREWM_TRANSIENT_WINDOW_MANAGER_H_ | 5 #ifndef UI_WM_CORE_TRANSIENT_WINDOW_MANAGER_H_ |
6 #define UI_VIEWS_COREWM_TRANSIENT_WINDOW_MANAGER_H_ | 6 #define UI_WM_CORE_TRANSIENT_WINDOW_MANAGER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/observer_list.h" | 10 #include "base/observer_list.h" |
11 #include "ui/aura/window_observer.h" | 11 #include "ui/aura/window_observer.h" |
12 #include "ui/views/views_export.h" | 12 #include "ui/wm/core/wm_core_export.h" |
13 | 13 |
14 namespace views { | 14 namespace views { |
15 namespace corewm { | 15 namespace corewm { |
16 | 16 |
17 class TransientWindowObserver; | 17 class TransientWindowObserver; |
18 | 18 |
19 // TransientWindowManager manages the set of transient children for a window | 19 // TransientWindowManager manages the set of transient children for a window |
20 // along with the transient parent. Transient children get the following | 20 // along with the transient parent. Transient children get the following |
21 // behavior: | 21 // behavior: |
22 // . The transient parent destroys any transient children when it is | 22 // . The transient parent destroys any transient children when it is |
23 // destroyed. This means a transient child is destroyed if either its parent | 23 // destroyed. This means a transient child is destroyed if either its parent |
24 // or transient parent is destroyed. | 24 // or transient parent is destroyed. |
25 // . If a transient child and its transient parent share the same parent, then | 25 // . If a transient child and its transient parent share the same parent, then |
26 // transient children are always ordered above the transient parent. | 26 // transient children are always ordered above the transient parent. |
27 // Transient windows are typically used for popups and menus. | 27 // Transient windows are typically used for popups and menus. |
28 // TODO(sky): when we nuke TransientWindowClient rename this to | 28 // TODO(sky): when we nuke TransientWindowClient rename this to |
29 // TransientWindowController. | 29 // TransientWindowController. |
30 class VIEWS_EXPORT TransientWindowManager : public aura::WindowObserver { | 30 class WM_CORE_EXPORT TransientWindowManager : public aura::WindowObserver { |
31 public: | 31 public: |
32 typedef std::vector<aura::Window*> Windows; | 32 typedef std::vector<aura::Window*> Windows; |
33 | 33 |
34 virtual ~TransientWindowManager(); | 34 virtual ~TransientWindowManager(); |
35 | 35 |
36 // Returns the TransientWindowManager for |window|. This never returns NULL. | 36 // Returns the TransientWindowManager for |window|. This never returns NULL. |
37 static TransientWindowManager* Get(aura::Window* window); | 37 static TransientWindowManager* Get(aura::Window* window); |
38 | 38 |
39 // Returns the TransientWindowManager for |window| only if it already exists. | 39 // Returns the TransientWindowManager for |window| only if it already exists. |
40 // WARNING: this may return NULL. | 40 // WARNING: this may return NULL. |
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94 StackingPair* stacking_pair_; | 94 StackingPair* stacking_pair_; |
95 | 95 |
96 ObserverList<TransientWindowObserver> observers_; | 96 ObserverList<TransientWindowObserver> observers_; |
97 | 97 |
98 DISALLOW_COPY_AND_ASSIGN(TransientWindowManager); | 98 DISALLOW_COPY_AND_ASSIGN(TransientWindowManager); |
99 }; | 99 }; |
100 | 100 |
101 } // namespace corewm | 101 } // namespace corewm |
102 } // namespace views | 102 } // namespace views |
103 | 103 |
104 #endif // UI_VIEWS_COREWM_TRANSIENT_WINDOW_MANAGER_H_ | 104 #endif // UI_WM_CORE_TRANSIENT_WINDOW_MANAGER_H_ |
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