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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_ | |
6 #define ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "ash/ash_export.h" | |
11 #include "ash/common/shell_observer.h" | |
12 #include "ash/common/wm_display_observer.h" | |
13 #include "ash/public/interfaces/touch_view.mojom.h" | |
14 #include "base/compiler_specific.h" | |
15 #include "base/macros.h" | |
16 #include "base/time/time.h" | |
17 #include "chromeos/accelerometer/accelerometer_reader.h" | |
18 #include "chromeos/accelerometer/accelerometer_types.h" | |
19 #include "chromeos/dbus/power_manager_client.h" | |
20 #include "mojo/public/cpp/bindings/binding_set.h" | |
21 #include "mojo/public/cpp/bindings/interface_ptr_set.h" | |
22 #include "ui/gfx/geometry/vector3d_f.h" | |
23 | |
24 namespace base { | |
25 class TickClock; | |
26 } | |
27 | |
28 namespace gfx { | |
29 class Vector3dF; | |
30 } | |
31 | |
32 namespace ash { | |
33 | |
34 class MaximizeModeControllerTest; | |
35 class ScopedDisableInternalMouseAndKeyboard; | |
36 class MaximizeModeWindowManager; | |
37 class MaximizeModeWindowManagerTest; | |
38 class WmWindow; | |
39 namespace test { | |
40 class MultiUserWindowManagerChromeOSTest; | |
41 class VirtualKeyboardControllerTest; | |
42 } | |
43 | |
44 // MaximizeModeController listens to accelerometer events and automatically | |
45 // enters and exits maximize mode when the lid is opened beyond the triggering | |
46 // angle and rotates the display to match the device when in maximize mode. | |
47 class ASH_EXPORT MaximizeModeController : | |
48 public chromeos::AccelerometerReader::Observer, | |
49 public chromeos::PowerManagerClient::Observer, | |
50 NON_EXPORTED_BASE(public mojom::TouchViewManager), | |
51 public ShellObserver, | |
52 public WmDisplayObserver { | |
53 public: | |
54 MaximizeModeController(); | |
55 ~MaximizeModeController() override; | |
56 | |
57 // True if it is possible to enter maximize mode in the current | |
58 // configuration. If this returns false, it should never be the case that | |
59 // maximize mode becomes enabled. | |
60 bool CanEnterMaximizeMode(); | |
61 | |
62 // TODO(jonross): Merge this with EnterMaximizeMode. Currently these are | |
63 // separate for several reasons: there is no internal display when running | |
64 // unittests; the event blocker prevents keyboard input when running ChromeOS | |
65 // on linux. http://crbug.com/362881 | |
66 // Turn the always maximize mode window manager on or off. | |
67 void EnableMaximizeModeWindowManager(bool should_enable); | |
68 | |
69 // Test if the MaximizeModeWindowManager is enabled or not. | |
70 bool IsMaximizeModeWindowManagerEnabled() const; | |
71 | |
72 // Add a special window to the MaximizeModeWindowManager for tracking. This is | |
73 // only required for special windows which are handled by other window | |
74 // managers like the |MultiUserWindowManager|. | |
75 // If the maximize mode is not enabled no action will be performed. | |
76 void AddWindow(WmWindow* window); | |
77 | |
78 // Binds the mojom::TouchViewManager interface request to this object. | |
79 void BindRequest(mojom::TouchViewManagerRequest request); | |
80 | |
81 // ShellObserver: | |
82 void OnAppTerminating() override; | |
83 void OnMaximizeModeStarted() override; | |
84 void OnMaximizeModeEnded() override; | |
85 | |
86 // WmDisplayObserver: | |
87 void OnDisplayConfigurationChanged() override; | |
88 | |
89 // chromeos::AccelerometerReader::Observer: | |
90 void OnAccelerometerUpdated( | |
91 scoped_refptr<const chromeos::AccelerometerUpdate> update) override; | |
92 | |
93 // PowerManagerClient::Observer: | |
94 void LidEventReceived(bool open, const base::TimeTicks& time) override; | |
95 void TabletModeEventReceived(bool on, const base::TimeTicks& time) override; | |
96 void SuspendImminent() override; | |
97 void SuspendDone(const base::TimeDelta& sleep_duration) override; | |
98 | |
99 private: | |
100 friend class MaximizeModeControllerTest; | |
101 friend class MaximizeModeWindowManagerTest; | |
102 friend class test::MultiUserWindowManagerChromeOSTest; | |
103 friend class test::VirtualKeyboardControllerTest; | |
104 | |
105 // Used for recording metrics for intervals of time spent in | |
106 // and out of TouchView. | |
107 enum TouchViewIntervalType { | |
108 TOUCH_VIEW_INTERVAL_INACTIVE, | |
109 TOUCH_VIEW_INTERVAL_ACTIVE | |
110 }; | |
111 | |
112 // Set the TickClock. This is only to be used by tests that need to | |
113 // artificially and deterministically control the current time. | |
114 void SetTickClockForTest(std::unique_ptr<base::TickClock> tick_clock); | |
115 | |
116 // Detect hinge rotation from base and lid accelerometers and automatically | |
117 // start / stop maximize mode. | |
118 void HandleHingeRotation( | |
119 scoped_refptr<const chromeos::AccelerometerUpdate> update); | |
120 | |
121 // Returns true if the lid was recently opened. | |
122 bool WasLidOpenedRecently() const; | |
123 | |
124 // Enables MaximizeModeWindowManager, and determines the current state of | |
125 // rotation lock. | |
126 void EnterMaximizeMode(); | |
127 | |
128 // Removes MaximizeModeWindowManager and resets the display rotation if there | |
129 // is no rotation lock. | |
130 void LeaveMaximizeMode(); | |
131 | |
132 // Record UMA stats tracking TouchView usage. If |type| is | |
133 // TOUCH_VIEW_INTERVAL_INACTIVE, then record that TouchView has been | |
134 // inactive from |touchview_usage_interval_start_time_| until now. | |
135 // Similarly, record that TouchView has been active if |type| is | |
136 // TOUCH_VIEW_INTERVAL_ACTIVE. | |
137 void RecordTouchViewUsageInterval(TouchViewIntervalType type); | |
138 | |
139 // Returns TOUCH_VIEW_INTERVAL_ACTIVE if TouchView is currently active, | |
140 // otherwise returns TOUCH_VIEW_INTERNAL_INACTIVE. | |
141 TouchViewIntervalType CurrentTouchViewIntervalType(); | |
142 | |
143 // mojom::TouchViewManager: | |
144 void AddObserver(mojom::TouchViewObserverPtr observer) override; | |
145 | |
146 // The maximized window manager (if enabled). | |
147 std::unique_ptr<MaximizeModeWindowManager> maximize_mode_window_manager_; | |
148 | |
149 // A helper class which when instantiated will block native events from the | |
150 // internal keyboard and touchpad. | |
151 std::unique_ptr<ScopedDisableInternalMouseAndKeyboard> event_blocker_; | |
152 | |
153 // Whether we have ever seen accelerometer data. | |
154 bool have_seen_accelerometer_data_; | |
155 | |
156 // Tracks time spent in (and out of) touchview mode. | |
157 base::Time touchview_usage_interval_start_time_; | |
158 base::TimeDelta total_touchview_time_; | |
159 base::TimeDelta total_non_touchview_time_; | |
160 | |
161 // Tracks the last time we received a lid open event. This is used to suppress | |
162 // erroneous accelerometer readings as the lid is opened but the accelerometer | |
163 // reports readings that make the lid to appear near fully open. | |
164 base::TimeTicks last_lid_open_time_; | |
165 | |
166 // Source for the current time in base::TimeTicks. | |
167 std::unique_ptr<base::TickClock> tick_clock_; | |
168 | |
169 // Set when tablet mode switch is on. This is used to force maximize mode. | |
170 bool tablet_mode_switch_is_on_; | |
171 | |
172 // Tracks when the lid is closed. Used to prevent entering maximize mode. | |
173 bool lid_is_closed_; | |
174 | |
175 // Tracks smoothed accelerometer data over time. This is done when the hinge | |
176 // is approaching vertical to remove abrupt acceleration that can lead to | |
177 // incorrect calculations of hinge angles. | |
178 gfx::Vector3dF base_smoothed_; | |
179 gfx::Vector3dF lid_smoothed_; | |
180 | |
181 // Bindings for the TouchViewManager interface. | |
182 mojo::BindingSet<mojom::TouchViewManager> bindings_; | |
183 | |
184 // The set of touchview observers to be notified about mode changes. | |
185 mojo::InterfacePtrSet<mojom::TouchViewObserver> observers_; | |
186 | |
187 DISALLOW_COPY_AND_ASSIGN(MaximizeModeController); | |
188 }; | |
189 | |
190 } // namespace ash | |
191 | |
192 #endif // ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_ | |
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