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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_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_ |
| 6 #define ASH_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_ |
| 7 |
| 8 #include <memory> |
| 9 |
| 10 #include "ash/ash_export.h" |
| 11 #include "ash/public/interfaces/touch_view.mojom.h" |
| 12 #include "ash/session/session_observer.h" |
| 13 #include "ash/shell_observer.h" |
| 14 #include "ash/wm_display_observer.h" |
| 15 #include "base/compiler_specific.h" |
| 16 #include "base/macros.h" |
| 17 #include "base/memory/weak_ptr.h" |
| 18 #include "base/time/time.h" |
| 19 #include "chromeos/accelerometer/accelerometer_reader.h" |
| 20 #include "chromeos/accelerometer/accelerometer_types.h" |
| 21 #include "chromeos/dbus/power_manager_client.h" |
| 22 #include "mojo/public/cpp/bindings/binding_set.h" |
| 23 #include "mojo/public/cpp/bindings/interface_ptr_set.h" |
| 24 #include "ui/gfx/geometry/vector3d_f.h" |
| 25 |
| 26 namespace aura { |
| 27 class Window; |
| 28 } |
| 29 |
| 30 namespace base { |
| 31 class TickClock; |
| 32 } |
| 33 |
| 34 namespace gfx { |
| 35 class Vector3dF; |
| 36 } |
| 37 |
| 38 namespace ash { |
| 39 |
| 40 class MaximizeModeControllerTest; |
| 41 class ScopedDisableInternalMouseAndKeyboard; |
| 42 class MaximizeModeWindowManager; |
| 43 class MaximizeModeWindowManagerTest; |
| 44 |
| 45 namespace test { |
| 46 class MultiUserWindowManagerChromeOSTest; |
| 47 class VirtualKeyboardControllerTest; |
| 48 } |
| 49 |
| 50 // MaximizeModeController listens to accelerometer events and automatically |
| 51 // enters and exits maximize mode when the lid is opened beyond the triggering |
| 52 // angle and rotates the display to match the device when in maximize mode. |
| 53 class ASH_EXPORT MaximizeModeController |
| 54 : public chromeos::AccelerometerReader::Observer, |
| 55 public chromeos::PowerManagerClient::Observer, |
| 56 NON_EXPORTED_BASE(public mojom::TouchViewManager), |
| 57 public ShellObserver, |
| 58 public WmDisplayObserver, |
| 59 public SessionObserver { |
| 60 public: |
| 61 // Used for keeping track if the user wants the machine to behave as a |
| 62 // clamshell/touchview regardless of hardware orientation. |
| 63 enum class ForceTabletMode { |
| 64 NONE = 0, |
| 65 CLAMSHELL, |
| 66 TOUCHVIEW, |
| 67 }; |
| 68 |
| 69 MaximizeModeController(); |
| 70 ~MaximizeModeController() override; |
| 71 |
| 72 // True if it is possible to enter maximize mode in the current |
| 73 // configuration. If this returns false, it should never be the case that |
| 74 // maximize mode becomes enabled. |
| 75 bool CanEnterMaximizeMode(); |
| 76 |
| 77 // TODO(jonross): Merge this with EnterMaximizeMode. Currently these are |
| 78 // separate for several reasons: there is no internal display when running |
| 79 // unittests; the event blocker prevents keyboard input when running ChromeOS |
| 80 // on linux. http://crbug.com/362881 |
| 81 // Turn the always maximize mode window manager on or off. |
| 82 void EnableMaximizeModeWindowManager(bool should_enable); |
| 83 |
| 84 // Test if the MaximizeModeWindowManager is enabled or not. |
| 85 bool IsMaximizeModeWindowManagerEnabled() const; |
| 86 |
| 87 // Add a special window to the MaximizeModeWindowManager for tracking. This is |
| 88 // only required for special windows which are handled by other window |
| 89 // managers like the |MultiUserWindowManager|. |
| 90 // If the maximize mode is not enabled no action will be performed. |
| 91 void AddWindow(aura::Window* window); |
| 92 |
| 93 // Binds the mojom::TouchViewManager interface request to this object. |
| 94 void BindRequest(mojom::TouchViewManagerRequest request); |
| 95 |
| 96 // ShellObserver: |
| 97 void OnMaximizeModeStarted() override; |
| 98 void OnMaximizeModeEnded() override; |
| 99 void OnShellInitialized() override; |
| 100 |
| 101 // WmDisplayObserver: |
| 102 void OnDisplayConfigurationChanged() override; |
| 103 |
| 104 // SessionObserver: |
| 105 void OnChromeTerminating() override; |
| 106 |
| 107 // chromeos::AccelerometerReader::Observer: |
| 108 void OnAccelerometerUpdated( |
| 109 scoped_refptr<const chromeos::AccelerometerUpdate> update) override; |
| 110 |
| 111 // chromeos::PowerManagerClient::Observer: |
| 112 void LidEventReceived(chromeos::PowerManagerClient::LidState state, |
| 113 const base::TimeTicks& time) override; |
| 114 void TabletModeEventReceived(chromeos::PowerManagerClient::TabletMode mode, |
| 115 const base::TimeTicks& time) override; |
| 116 void SuspendImminent() override; |
| 117 void SuspendDone(const base::TimeDelta& sleep_duration) override; |
| 118 |
| 119 private: |
| 120 friend class MaximizeModeControllerTest; |
| 121 friend class MaximizeModeWindowManagerTest; |
| 122 friend class test::MultiUserWindowManagerChromeOSTest; |
| 123 friend class test::VirtualKeyboardControllerTest; |
| 124 |
| 125 // Used for recording metrics for intervals of time spent in |
| 126 // and out of TouchView. |
| 127 enum TouchViewIntervalType { |
| 128 TOUCH_VIEW_INTERVAL_INACTIVE, |
| 129 TOUCH_VIEW_INTERVAL_ACTIVE |
| 130 }; |
| 131 |
| 132 // Set the TickClock. This is only to be used by tests that need to |
| 133 // artificially and deterministically control the current time. |
| 134 void SetTickClockForTest(std::unique_ptr<base::TickClock> tick_clock); |
| 135 |
| 136 // Detect hinge rotation from base and lid accelerometers and automatically |
| 137 // start / stop maximize mode. |
| 138 void HandleHingeRotation( |
| 139 scoped_refptr<const chromeos::AccelerometerUpdate> update); |
| 140 |
| 141 void OnGetSwitchStates(chromeos::PowerManagerClient::LidState lid_state, |
| 142 chromeos::PowerManagerClient::TabletMode tablet_mode); |
| 143 |
| 144 // Returns true if the lid was recently opened. |
| 145 bool WasLidOpenedRecently() const; |
| 146 |
| 147 // Enables MaximizeModeWindowManager, and determines the current state of |
| 148 // rotation lock. |
| 149 void EnterMaximizeMode(); |
| 150 |
| 151 // Removes MaximizeModeWindowManager and resets the display rotation if there |
| 152 // is no rotation lock. |
| 153 void LeaveMaximizeMode(); |
| 154 |
| 155 // Record UMA stats tracking TouchView usage. If |type| is |
| 156 // TOUCH_VIEW_INTERVAL_INACTIVE, then record that TouchView has been |
| 157 // inactive from |touchview_usage_interval_start_time_| until now. |
| 158 // Similarly, record that TouchView has been active if |type| is |
| 159 // TOUCH_VIEW_INTERVAL_ACTIVE. |
| 160 void RecordTouchViewUsageInterval(TouchViewIntervalType type); |
| 161 |
| 162 // Returns TOUCH_VIEW_INTERVAL_ACTIVE if TouchView is currently active, |
| 163 // otherwise returns TOUCH_VIEW_INTERNAL_INACTIVE. |
| 164 TouchViewIntervalType CurrentTouchViewIntervalType(); |
| 165 |
| 166 // mojom::TouchViewManager: |
| 167 void AddObserver(mojom::TouchViewObserverPtr observer) override; |
| 168 |
| 169 // Checks whether we want to allow entering and exiting maximize mode. This |
| 170 // returns false if the user set a flag for the software to behave in a |
| 171 // certain way regardless of configuration. |
| 172 bool AllowEnterExitMaximizeMode() const; |
| 173 |
| 174 // The maximized window manager (if enabled). |
| 175 std::unique_ptr<MaximizeModeWindowManager> maximize_mode_window_manager_; |
| 176 |
| 177 // A helper class which when instantiated will block native events from the |
| 178 // internal keyboard and touchpad. |
| 179 std::unique_ptr<ScopedDisableInternalMouseAndKeyboard> event_blocker_; |
| 180 |
| 181 // Whether we have ever seen accelerometer data. |
| 182 bool have_seen_accelerometer_data_; |
| 183 |
| 184 // Whether both accelerometers are available. |
| 185 bool can_detect_lid_angle_; |
| 186 |
| 187 // Tracks time spent in (and out of) touchview mode. |
| 188 base::Time touchview_usage_interval_start_time_; |
| 189 base::TimeDelta total_touchview_time_; |
| 190 base::TimeDelta total_non_touchview_time_; |
| 191 |
| 192 // Tracks the last time we received a lid open event. This is used to suppress |
| 193 // erroneous accelerometer readings as the lid is opened but the accelerometer |
| 194 // reports readings that make the lid to appear near fully open. |
| 195 base::TimeTicks last_lid_open_time_; |
| 196 |
| 197 // Source for the current time in base::TimeTicks. |
| 198 std::unique_ptr<base::TickClock> tick_clock_; |
| 199 |
| 200 // Set when tablet mode switch is on. This is used to force maximize mode. |
| 201 bool tablet_mode_switch_is_on_; |
| 202 |
| 203 // Tracks when the lid is closed. Used to prevent entering maximize mode. |
| 204 bool lid_is_closed_; |
| 205 |
| 206 // Tracks smoothed accelerometer data over time. This is done when the hinge |
| 207 // is approaching vertical to remove abrupt acceleration that can lead to |
| 208 // incorrect calculations of hinge angles. |
| 209 gfx::Vector3dF base_smoothed_; |
| 210 gfx::Vector3dF lid_smoothed_; |
| 211 |
| 212 // Bindings for the TouchViewManager interface. |
| 213 mojo::BindingSet<mojom::TouchViewManager> bindings_; |
| 214 |
| 215 // The set of touchview observers to be notified about mode changes. |
| 216 mojo::InterfacePtrSet<mojom::TouchViewObserver> observers_; |
| 217 |
| 218 // Tracks whether a flag is used to force maximize mode. |
| 219 ForceTabletMode force_tablet_mode_ = ForceTabletMode::NONE; |
| 220 |
| 221 ScopedSessionObserver scoped_session_observer_; |
| 222 |
| 223 base::WeakPtrFactory<MaximizeModeController> weak_factory_; |
| 224 |
| 225 DISALLOW_COPY_AND_ASSIGN(MaximizeModeController); |
| 226 }; |
| 227 |
| 228 } // namespace ash |
| 229 |
| 230 #endif // ASH_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_ |
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