Move MaximizeModeController into ash/common

ash/wm/maximize_mode/maximize_mode_controller.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef ASH_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_
-#define ASH_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_
-
-#include <memory>
-
-#include "ash/ash_export.h"
-#include "ash/common/shell_observer.h"
-#include "ash/display/window_tree_host_manager.h"
-#include "base/macros.h"
-#include "base/time/time.h"
-#include "ui/gfx/geometry/vector3d_f.h"
-
-#if defined(OS_CHROMEOS)
-#include "chromeos/accelerometer/accelerometer_reader.h"
-#include "chromeos/accelerometer/accelerometer_types.h"
-#include "chromeos/dbus/power_manager_client.h"
-#endif  // OS_CHROMEOS
-
-namespace base {
-class TickClock;
-}
-
-namespace gfx {
-class Vector3dF;
-}
-
-namespace ui {
-class EventHandler;
-}
-
-namespace ash {
-
-class MaximizeModeControllerTest;
-class ScopedDisableInternalMouseAndKeyboard;
-class MaximizeModeWindowManager;
-class MaximizeModeWindowManagerTest;
-class WmWindow;
-namespace test {
-class MultiUserWindowManagerChromeOSTest;
-class VirtualKeyboardControllerTest;
-}
-
-// MaximizeModeController listens to accelerometer events and automatically
-// enters and exits maximize mode when the lid is opened beyond the triggering
-// angle and rotates the display to match the device when in maximize mode.
-class ASH_EXPORT MaximizeModeController :
-#if defined(OS_CHROMEOS)
-    public chromeos::AccelerometerReader::Observer,
-    public chromeos::PowerManagerClient::Observer,
-#endif  // OS_CHROMEOS
-    public ShellObserver,
-    public WindowTreeHostManager::Observer {
- public:
-  MaximizeModeController();
-  ~MaximizeModeController() override;
-
-  // True if it is possible to enter maximize mode in the current
-  // configuration. If this returns false, it should never be the case that
-  // maximize mode becomes enabled.
-  bool CanEnterMaximizeMode();
-
-  // TODO(jonross): Merge this with EnterMaximizeMode. Currently these are
-  // separate for several reasons: there is no internal display when running
-  // unittests; the event blocker prevents keyboard input when running ChromeOS
-  // on linux. http://crbug.com/362881
-  // Turn the always maximize mode window manager on or off.
-  void EnableMaximizeModeWindowManager(bool should_enable);
-
-  // Test if the MaximizeModeWindowManager is enabled or not.
-  bool IsMaximizeModeWindowManagerEnabled() const;
-
-  // Add a special window to the MaximizeModeWindowManager for tracking. This is
-  // only required for special windows which are handled by other window
-  // managers like the |MultiUserWindowManager|.
-  // If the maximize mode is not enabled no action will be performed.
-  void AddWindow(WmWindow* window);
-
-  // ShellObserver:
-  void OnAppTerminating() override;
-  void OnMaximizeModeStarted() override;
-  void OnMaximizeModeEnded() override;
-
-  // WindowTreeHostManager::Observer:
-  void OnDisplayConfigurationChanged() override;
-
-#if defined(OS_CHROMEOS)
-  // chromeos::AccelerometerReader::Observer:
-  void OnAccelerometerUpdated(
-      scoped_refptr<const chromeos::AccelerometerUpdate> update) override;
-
-  // PowerManagerClient::Observer:
-  void LidEventReceived(bool open, const base::TimeTicks& time) override;
-  void TabletModeEventReceived(bool on, const base::TimeTicks& time) override;
-  void SuspendImminent() override;
-  void SuspendDone(const base::TimeDelta& sleep_duration) override;
-#endif  // OS_CHROMEOS
-
- private:
-  friend class MaximizeModeControllerTest;
-  friend class MaximizeModeWindowManagerTest;
-  friend class test::MultiUserWindowManagerChromeOSTest;
-  friend class test::VirtualKeyboardControllerTest;
-
-  // Used for recording metrics for intervals of time spent in
-  // and out of TouchView.
-  enum TouchViewIntervalType {
-    TOUCH_VIEW_INTERVAL_INACTIVE,
-    TOUCH_VIEW_INTERVAL_ACTIVE
-  };
-
-  // Set the TickClock. This is only to be used by tests that need to
-  // artificially and deterministically control the current time.
-  void SetTickClockForTest(std::unique_ptr<base::TickClock> tick_clock);
-
-#if defined(OS_CHROMEOS)
-  // Detect hinge rotation from base and lid accelerometers and automatically
-  // start / stop maximize mode.
-  void HandleHingeRotation(
-      scoped_refptr<const chromeos::AccelerometerUpdate> update);
-#endif
-
-  // Returns true if the lid was recently opened.
-  bool WasLidOpenedRecently() const;
-
-  // Enables MaximizeModeWindowManager, and determines the current state of
-  // rotation lock.
-  void EnterMaximizeMode();
-
-  // Removes MaximizeModeWindowManager and resets the display rotation if there
-  // is no rotation lock.
-  void LeaveMaximizeMode();
-
-  // Record UMA stats tracking TouchView usage. If |type| is
-  // TOUCH_VIEW_INTERVAL_INACTIVE, then record that TouchView has been
-  // inactive from |touchview_usage_interval_start_time_| until now.
-  // Similarly, record that TouchView has been active if |type| is
-  // TOUCH_VIEW_INTERVAL_ACTIVE.
-  void RecordTouchViewUsageInterval(TouchViewIntervalType type);
-
-  // Returns TOUCH_VIEW_INTERVAL_ACTIVE if TouchView is currently active,
-  // otherwise returns TOUCH_VIEW_INTERNAL_INACTIVE.
-  TouchViewIntervalType CurrentTouchViewIntervalType();
-
-  // The maximized window manager (if enabled).
-  std::unique_ptr<MaximizeModeWindowManager> maximize_mode_window_manager_;
-
-  // A helper class which when instantiated will block native events from the
-  // internal keyboard and touchpad.
-  std::unique_ptr<ScopedDisableInternalMouseAndKeyboard> event_blocker_;
-
-  // Whether we have ever seen accelerometer data.
-  bool have_seen_accelerometer_data_;
-
-  // Tracks time spent in (and out of) touchview mode.
-  base::Time touchview_usage_interval_start_time_;
-  base::TimeDelta total_touchview_time_;
-  base::TimeDelta total_non_touchview_time_;
-
-  // Tracks the last time we received a lid open event. This is used to suppress
-  // erroneous accelerometer readings as the lid is opened but the accelerometer
-  // reports readings that make the lid to appear near fully open.
-  base::TimeTicks last_lid_open_time_;
-
-  // Source for the current time in base::TimeTicks.
-  std::unique_ptr<base::TickClock> tick_clock_;
-
-#if defined(OS_CHROMEOS)
-  // Set when tablet mode switch is on. This is used to force maximize mode.
-  bool tablet_mode_switch_is_on_;
-#endif
-
-  // Tracks when the lid is closed. Used to prevent entering maximize mode.
-  bool lid_is_closed_;
-
-  // Tracks smoothed accelerometer data over time. This is done when the hinge
-  // is approaching vertical to remove abrupt acceleration that can lead to
-  // incorrect calculations of hinge angles.
-  gfx::Vector3dF base_smoothed_;
-  gfx::Vector3dF lid_smoothed_;
-
-  DISALLOW_COPY_AND_ASSIGN(MaximizeModeController);
-};
-
-}  // namespace ash
-
-#endif  // ASH_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_