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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. | 
| (...skipping 53 matching lines...) Expand 10 before | Expand all | Expand 10 after  Loading... | 
| 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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