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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 ASH_COMMON_SHELF_SHELF_WINDOW_WATCHER_H_ | 5 #ifndef ASH_COMMON_SHELF_SHELF_WINDOW_WATCHER_H_ |
6 #define ASH_COMMON_SHELF_SHELF_WINDOW_WATCHER_H_ | 6 #define ASH_COMMON_SHELF_SHELF_WINDOW_WATCHER_H_ |
7 | 7 |
| 8 #include <set> |
| 9 |
8 #include "ash/common/wm_activation_observer.h" | 10 #include "ash/common/wm_activation_observer.h" |
9 #include "ash/common/wm_window_observer.h" | 11 #include "ash/common/wm_window_observer.h" |
10 #include "base/macros.h" | 12 #include "base/macros.h" |
11 #include "base/scoped_observer.h" | 13 #include "base/scoped_observer.h" |
12 #include "ui/display/display_observer.h" | 14 #include "ui/display/display_observer.h" |
13 | 15 |
14 namespace ash { | 16 namespace ash { |
15 | 17 |
16 class ShelfModel; | 18 class ShelfModel; |
17 class WmWindow; | 19 class WmWindow; |
18 | 20 |
19 // ShelfWindowWatcher creates and handles a ShelfItem for windows in the default | 21 // ShelfWindowWatcher creates and handles a ShelfItem for windows in the default |
20 // container that have a valid ShelfItemType property (e.g. the task manager | 22 // container and panels in the panel container that have a valid ShelfItemType |
21 // dialog or the OS settings window). It adds the ShelfItem when the window is | 23 // property (e.g. the task manager dialog or the OS settings window). It adds |
22 // added to the default container and maintains it until the window is closed, | 24 // the ShelfItem when the window is added to the default container and maintains |
23 // even if the window is transiently reparented (e.g. during a drag). | 25 // it until the window is closed, even if the window is transiently reparented |
| 26 // (e.g. during a drag). |
24 class ShelfWindowWatcher : public WmActivationObserver, | 27 class ShelfWindowWatcher : public WmActivationObserver, |
25 public display::DisplayObserver { | 28 public display::DisplayObserver { |
26 public: | 29 public: |
27 explicit ShelfWindowWatcher(ShelfModel* model); | 30 explicit ShelfWindowWatcher(ShelfModel* model); |
28 ~ShelfWindowWatcher() override; | 31 ~ShelfWindowWatcher() override; |
29 | 32 |
30 private: | 33 private: |
31 // Observes for windows being added to a root window's default container. | 34 // Observes for windows being added to a root window's default container. |
32 class ContainerWindowObserver : public WmWindowObserver { | 35 class ContainerWindowObserver : public WmWindowObserver { |
33 public: | 36 public: |
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62 | 65 |
63 DISALLOW_COPY_AND_ASSIGN(UserWindowObserver); | 66 DISALLOW_COPY_AND_ASSIGN(UserWindowObserver); |
64 }; | 67 }; |
65 | 68 |
66 // Creates a ShelfItem for |window|. | 69 // Creates a ShelfItem for |window|. |
67 void AddShelfItem(WmWindow* window); | 70 void AddShelfItem(WmWindow* window); |
68 | 71 |
69 // Removes a ShelfItem for |window|. | 72 // Removes a ShelfItem for |window|. |
70 void RemoveShelfItem(WmWindow* window); | 73 void RemoveShelfItem(WmWindow* window); |
71 | 74 |
72 // Updates the status of ShelfItem for |window|. | 75 // Returns the index of ShelfItem associated with |window|, or -1 if none. |
73 void UpdateShelfItemStatus(WmWindow* window, bool is_active); | |
74 | |
75 // Returns the index of ShelfItem associated with |window|. | |
76 int GetShelfItemIndexForWindow(WmWindow* window) const; | 76 int GetShelfItemIndexForWindow(WmWindow* window) const; |
77 | 77 |
78 // Cleans up observers on |container|. | 78 // Cleans up observers on |container|. |
79 void OnContainerWindowDestroying(WmWindow* container); | 79 void OnContainerWindowDestroying(WmWindow* container); |
80 | 80 |
81 // Adds a shelf item for new windows added to the default container that have | 81 // Adds a shelf item for new windows added to the default container that have |
82 // a valid ShelfItemType property value. | 82 // a valid ShelfItemType property value. |
83 void OnUserWindowAdded(WmWindow* window); | 83 void OnUserWindowAdded(WmWindow* window); |
84 | 84 |
85 // Adds, updates or removes the shelf item based on a property change. | 85 // Adds, updates or removes the shelf item based on a property change. |
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99 uint32_t metrics) override; | 99 uint32_t metrics) override; |
100 | 100 |
101 ShelfModel* model_; | 101 ShelfModel* model_; |
102 | 102 |
103 ContainerWindowObserver container_window_observer_; | 103 ContainerWindowObserver container_window_observer_; |
104 UserWindowObserver user_window_observer_; | 104 UserWindowObserver user_window_observer_; |
105 | 105 |
106 ScopedObserver<WmWindow, ContainerWindowObserver> observed_container_windows_; | 106 ScopedObserver<WmWindow, ContainerWindowObserver> observed_container_windows_; |
107 ScopedObserver<WmWindow, UserWindowObserver> observed_user_windows_; | 107 ScopedObserver<WmWindow, UserWindowObserver> observed_user_windows_; |
108 | 108 |
| 109 // The set of windows with shelf items managed by this ShelfWindowWatcher. |
| 110 std::set<WmWindow*> user_windows_with_items_; |
| 111 |
109 DISALLOW_COPY_AND_ASSIGN(ShelfWindowWatcher); | 112 DISALLOW_COPY_AND_ASSIGN(ShelfWindowWatcher); |
110 }; | 113 }; |
111 | 114 |
112 } // namespace ash | 115 } // namespace ash |
113 | 116 |
114 #endif // ASH_COMMON_SHELF_SHELF_WINDOW_WATCHER_H_ | 117 #endif // ASH_COMMON_SHELF_SHELF_WINDOW_WATCHER_H_ |
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