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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_WM_VIDEO_DETECTOR_H_ | 5 #ifndef ASH_WM_VIDEO_DETECTOR_H_ |
6 #define ASH_WM_VIDEO_DETECTOR_H_ | 6 #define ASH_WM_VIDEO_DETECTOR_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <set> | 9 #include <set> |
oshima
2016/11/04 18:31:43
include memory
limasdf
2016/11/05 06:12:57
Done.
| |
10 | 10 |
11 #include "ash/ash_export.h" | 11 #include "ash/ash_export.h" |
12 #include "ash/common/shell_observer.h" | 12 #include "ash/common/shell_observer.h" |
13 #include "ash/common/wm_window_observer.h" | 13 #include "ash/common/wm_window_observer.h" |
14 #include "base/compiler_specific.h" | 14 #include "base/compiler_specific.h" |
15 #include "base/macros.h" | 15 #include "base/macros.h" |
16 #include "base/memory/linked_ptr.h" | |
17 #include "base/observer_list.h" | 16 #include "base/observer_list.h" |
18 #include "base/scoped_observer.h" | 17 #include "base/scoped_observer.h" |
19 #include "base/time/time.h" | 18 #include "base/time/time.h" |
20 #include "base/timer/timer.h" | 19 #include "base/timer/timer.h" |
21 #include "ui/aura/env_observer.h" | 20 #include "ui/aura/env_observer.h" |
22 #include "ui/aura/window_observer.h" | 21 #include "ui/aura/window_observer.h" |
23 | 22 |
24 namespace aura { | 23 namespace aura { |
25 class Window; | 24 class Window; |
26 } | 25 } |
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102 // ShellObserver overrides. | 101 // ShellObserver overrides. |
103 void OnAppTerminating() override; | 102 void OnAppTerminating() override; |
104 void OnFullscreenStateChanged(bool is_fullscreen, | 103 void OnFullscreenStateChanged(bool is_fullscreen, |
105 WmWindow* root_window) override; | 104 WmWindow* root_window) override; |
106 | 105 |
107 // WmWindowObserver overrides. | 106 // WmWindowObserver overrides. |
108 void OnWindowDestroyed(WmWindow* window) override {} | 107 void OnWindowDestroyed(WmWindow* window) override {} |
109 void OnWindowDestroying(WmWindow* window) override; | 108 void OnWindowDestroying(WmWindow* window) override; |
110 | 109 |
111 private: | 110 private: |
112 class WindowInfo; | |
113 typedef std::map<aura::Window*, linked_ptr<WindowInfo>> WindowInfoMap; | |
114 | |
115 // Called when video activity is observed in |window|. | 111 // Called when video activity is observed in |window|. |
116 void HandleVideoActivity(aura::Window* window, base::TimeTicks now); | 112 void HandleVideoActivity(aura::Window* window, base::TimeTicks now); |
117 | 113 |
118 // Called by |inactive_timer_| |kVideoTimeoutMs| after the last-observed video | 114 // Called by |inactive_timer_| |kVideoTimeoutMs| after the last-observed video |
119 // activity. | 115 // activity. |
120 void HandleVideoInactive(); | 116 void HandleVideoInactive(); |
121 | 117 |
122 // Updates |state_| and notifies |observers_| if it changed. | 118 // Updates |state_| and notifies |observers_| if it changed. |
123 void UpdateState(); | 119 void UpdateState(); |
124 | 120 |
125 // Current playback state. | 121 // Current playback state. |
126 State state_; | 122 State state_; |
127 | 123 |
128 // True if video has been observed in the last |kVideoTimeoutMs|. | 124 // True if video has been observed in the last |kVideoTimeoutMs|. |
129 bool video_is_playing_; | 125 bool video_is_playing_; |
130 | 126 |
131 // Currently-fullscreen root windows. | 127 // Currently-fullscreen root windows. |
132 std::set<WmWindow*> fullscreen_root_windows_; | 128 std::set<WmWindow*> fullscreen_root_windows_; |
133 | 129 |
134 // Maps from a window that we're tracking to information about it. | 130 // Maps from a window that we're tracking to information about it. |
131 class WindowInfo; | |
132 using WindowInfoMap = std::map<aura::Window*, std::unique_ptr<WindowInfo>>; | |
135 WindowInfoMap window_infos_; | 133 WindowInfoMap window_infos_; |
136 | 134 |
137 base::ObserverList<Observer> observers_; | 135 base::ObserverList<Observer> observers_; |
138 | 136 |
139 // Calls HandleVideoInactive(). | 137 // Calls HandleVideoInactive(). |
140 base::OneShotTimer video_inactive_timer_; | 138 base::OneShotTimer video_inactive_timer_; |
141 | 139 |
142 // If set, used when the current time is needed. This can be set by tests to | 140 // If set, used when the current time is needed. This can be set by tests to |
143 // simulate the passage of time. | 141 // simulate the passage of time. |
144 base::TimeTicks now_for_test_; | 142 base::TimeTicks now_for_test_; |
145 | 143 |
146 ScopedObserver<aura::Window, aura::WindowObserver> window_observer_manager_; | 144 ScopedObserver<aura::Window, aura::WindowObserver> window_observer_manager_; |
147 ScopedObserver<WmWindow, WmWindowObserver> wm_window_observer_manager_; | 145 ScopedObserver<WmWindow, WmWindowObserver> wm_window_observer_manager_; |
148 | 146 |
149 bool is_shutting_down_; | 147 bool is_shutting_down_; |
150 | 148 |
151 DISALLOW_COPY_AND_ASSIGN(VideoDetector); | 149 DISALLOW_COPY_AND_ASSIGN(VideoDetector); |
152 }; | 150 }; |
153 | 151 |
154 } // namespace ash | 152 } // namespace ash |
155 | 153 |
156 #endif // ASH_WM_VIDEO_DETECTOR_H_ | 154 #endif // ASH_WM_VIDEO_DETECTOR_H_ |
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