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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 ASH_SYSTEM_OVERVIEW_OVERVIEW_BUTTON_TRAY_H_ | 5 #ifndef ASH_SYSTEM_OVERVIEW_OVERVIEW_BUTTON_TRAY_H_ |
6 #define ASH_SYSTEM_OVERVIEW_OVERVIEW_BUTTON_TRAY_H_ | 6 #define ASH_SYSTEM_OVERVIEW_OVERVIEW_BUTTON_TRAY_H_ |
7 | 7 |
8 #include "ash/ash_export.h" | 8 #include "ash/ash_export.h" |
9 #include "ash/common/session/session_state_observer.h" | 9 #include "ash/common/session/session_state_observer.h" |
10 #include "ash/common/shell_observer.h" | 10 #include "ash/common/shell_observer.h" |
11 #include "ash/system/tray/tray_background_view.h" | 11 #include "ash/common/system/tray/tray_background_view.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 | 13 |
14 namespace views { | 14 namespace views { |
15 class ImageView; | 15 class ImageView; |
16 } | 16 } |
17 | 17 |
18 namespace ash { | 18 namespace ash { |
19 | 19 |
| 20 class StatusAreaWidget; |
| 21 |
20 // Status area tray for showing a toggle for Overview Mode. Overview Mode | 22 // Status area tray for showing a toggle for Overview Mode. Overview Mode |
21 // is equivalent to WindowSelectorController being in selection mode. | 23 // is equivalent to WindowSelectorController being in selection mode. |
22 // This hosts a ShellObserver that listens for the activation of Maximize Mode | 24 // This hosts a ShellObserver that listens for the activation of Maximize Mode |
23 // This tray will only be visible while in this state. This tray does not | 25 // This tray will only be visible while in this state. This tray does not |
24 // provide any bubble view windows. | 26 // provide any bubble view windows. |
25 class ASH_EXPORT OverviewButtonTray : public TrayBackgroundView, | 27 class ASH_EXPORT OverviewButtonTray : public TrayBackgroundView, |
26 public SessionStateObserver, | 28 public SessionStateObserver, |
27 public ShellObserver { | 29 public ShellObserver { |
28 public: | 30 public: |
29 explicit OverviewButtonTray(StatusAreaWidget* status_area_widget); | 31 explicit OverviewButtonTray(StatusAreaWidget* status_area_widget); |
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63 | 65 |
64 // Weak pointer, will be parented by TrayContainer for its lifetime. | 66 // Weak pointer, will be parented by TrayContainer for its lifetime. |
65 views::ImageView* icon_; | 67 views::ImageView* icon_; |
66 | 68 |
67 DISALLOW_COPY_AND_ASSIGN(OverviewButtonTray); | 69 DISALLOW_COPY_AND_ASSIGN(OverviewButtonTray); |
68 }; | 70 }; |
69 | 71 |
70 } // namespace ash | 72 } // namespace ash |
71 | 73 |
72 #endif // ASH_SYSTEM_OVERVIEW_OVERVIEW_BUTTON_TRAY_H_ | 74 #endif // ASH_SYSTEM_OVERVIEW_OVERVIEW_BUTTON_TRAY_H_ |
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