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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/session/session_observer.h" | 9 #include "ash/session/session_observer.h" |
10 #include "ash/shell_observer.h" | 10 #include "ash/shell_observer.h" |
11 #include "ash/system/tray/tray_background_view.h" | 11 #include "ash/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 // Status area tray for showing a toggle for Overview Mode. Overview Mode | 20 // Status area tray for showing a toggle for Overview Mode. Overview Mode |
21 // is equivalent to WindowSelectorController being in selection mode. | 21 // is equivalent to WindowSelectorController being in selection mode. |
22 // This hosts a ShellObserver that listens for the activation of Maximize Mode | 22 // 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 | 23 // This tray will only be visible while in this state. This tray does not |
24 // provide any bubble view windows. | 24 // provide any bubble view windows. |
25 class ASH_EXPORT OverviewButtonTray : public TrayBackgroundView, | 25 class ASH_EXPORT OverviewButtonTray : public TrayBackgroundView, |
26 public SessionObserver, | 26 public SessionObserver, |
27 public ShellObserver { | 27 public ShellObserver { |
28 public: | 28 public: |
29 explicit OverviewButtonTray(WmShelf* wm_shelf); | 29 explicit OverviewButtonTray(Shelf* shelf); |
30 ~OverviewButtonTray() override; | 30 ~OverviewButtonTray() override; |
31 | 31 |
32 // Updates the tray's visibility based on the LoginStatus and the current | 32 // Updates the tray's visibility based on the LoginStatus and the current |
33 // state of MaximizeMode | 33 // state of MaximizeMode |
34 virtual void UpdateAfterLoginStatusChange(LoginStatus status); | 34 virtual void UpdateAfterLoginStatusChange(LoginStatus status); |
35 | 35 |
36 // ActionableView: | 36 // ActionableView: |
37 bool PerformAction(const ui::Event& event) override; | 37 bool PerformAction(const ui::Event& event) override; |
38 | 38 |
39 // SessionObserver: | 39 // SessionObserver: |
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61 views::ImageView* icon_; | 61 views::ImageView* icon_; |
62 | 62 |
63 ScopedSessionObserver scoped_session_observer_; | 63 ScopedSessionObserver scoped_session_observer_; |
64 | 64 |
65 DISALLOW_COPY_AND_ASSIGN(OverviewButtonTray); | 65 DISALLOW_COPY_AND_ASSIGN(OverviewButtonTray); |
66 }; | 66 }; |
67 | 67 |
68 } // namespace ash | 68 } // namespace ash |
69 | 69 |
70 #endif // ASH_SYSTEM_OVERVIEW_OVERVIEW_BUTTON_TRAY_H_ | 70 #endif // ASH_SYSTEM_OVERVIEW_OVERVIEW_BUTTON_TRAY_H_ |
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