chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/chromeos/power/power_status.h

Index: ash/common/system/chromeos/power/power_status.h
diff --git a/ash/common/system/chromeos/power/power_status.h b/ash/common/system/chromeos/power/power_status.h
deleted file mode 100644
index 90d06fff1e2ce62d65695fc8d09b63d9a805222e..0000000000000000000000000000000000000000
--- a/ash/common/system/chromeos/power/power_status.h
+++ /dev/null
@@ -1,265 +0,0 @@
-// Copyright (c) 2013 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_COMMON_SYSTEM_CHROMEOS_POWER_POWER_STATUS_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_POWER_POWER_STATUS_H_
-
-#include <string>
-#include <vector>
-
-#include "ash/ash_export.h"
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "base/strings/string16.h"
-#include "base/time/time.h"
-#include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
-#include "chromeos/dbus/power_manager_client.h"
-#include "ui/gfx/image/image_skia.h"
-
-namespace ash {
-
-// PowerStatus is a singleton that receives updates about the system's
-// power status from chromeos::PowerManagerClient and makes the information
-// available to interested classes within Ash.
-class ASH_EXPORT PowerStatus : public chromeos::PowerManagerClient::Observer {
- public:
-  // Types of badges which can be drawn on top of a battery icon.
-  enum IconBadge {
-    ICON_BADGE_NONE,
-    ICON_BADGE_ALERT,
-    ICON_BADGE_BOLT,
-    ICON_BADGE_X,
-    ICON_BADGE_UNRELIABLE
-  };
-
-  // Different styles of battery icons.
-  enum IconSet { ICON_LIGHT, ICON_DARK };
-
-  // Interface for classes that wish to be notified when the power status
-  // has changed.
-  class Observer {
-   public:
-    // Called when the power status changes.
-    virtual void OnPowerStatusChanged() = 0;
-
-   protected:
-    virtual ~Observer() {}
-  };
-
-  // Power source types.
-  enum DeviceType {
-    // Dedicated charger (AC adapter, USB power supply, etc.).
-    DEDICATED_CHARGER,
-
-    // Dual-role device.
-    DUAL_ROLE_USB,
-  };
-
-  // Information about an available power source.
-  struct PowerSource {
-    // ID provided by kernel.
-    std::string id;
-
-    // Type of power source.
-    DeviceType type;
-
-    // Message ID of a description for this port.
-    int description_id;
-  };
-
-  // Information about the battery image corresponding to the status at a given
-  // point in time. This can be cached and later compared to avoid unnecessarily
-  // updating onscreen icons (GetBatteryImage() creates a new image on each
-  // call).
-  struct BatteryImageInfo {
-    BatteryImageInfo()
-        : resource_id(-1),
-          offset(-1),
-          index(-1),
-          icon_badge(ICON_BADGE_NONE),
-          charge_level(-1) {}
-
-    bool operator==(const BatteryImageInfo& o) const;
-
-    bool operator!=(const BatteryImageInfo& o) const { return !(*this == o); }
-
-    // Resource ID of the image containing the specific battery icon to use.
-    // Only used in non-MD.
-    int resource_id;
-
-    // Horizontal offset in the battery icon array image. The USB / "unreliable
-    // charging" image has a single column of icons; the other image contains a
-    // "battery" column on the left and a "line power" column on the right.
-    // Only used in non-MD.
-    int offset;
-
-    // Vertical offset corresponding to the current battery level. Only used in
-    // non-MD.
-    int index;
-
-    // The badge (lightning bolt, exclamation mark, etc) that should be drawn
-    // on top of the battery icon. Only used for MD.
-    // TODO(tdanderson): Consider using gfx::VectorIconId instead of this enum
-    // once all possible badges have been vectorized. See crbug.com/617298.
-    IconBadge icon_badge;
-
-    // A value between 0 and kBatteryImageHeightMD representing the height
-    // of the battery's charge level in dp. Only used for MD.
-    int charge_level;
-  };
-
-  // Maximum battery time-to-full or time-to-empty that should be displayed
-  // in the UI. If the current is close to zero, battery time estimates can
-  // get very large; avoid displaying these large numbers.
-  static const int kMaxBatteryTimeToDisplaySec;
-
-  // An alert badge is drawn over the material design battery icon if the
-  // battery is not connected to a charger and has less than
-  // |kCriticalBatteryChargePercentageMd| percentage of charge remaining.
-  static const double kCriticalBatteryChargePercentageMd;
-
-  // Sets the global instance. Must be called before any calls to Get().
-  static void Initialize();
-
-  // Destroys the global instance.
-  static void Shutdown();
-
-  // Returns true if the global instance is initialized.
-  static bool IsInitialized();
-
-  // Gets the global instance. Initialize must be called first.
-  static PowerStatus* Get();
-
-  // Returns true if |time|, a time returned by GetBatteryTimeToEmpty() or
-  // GetBatteryTimeToFull(), should be displayed in the UI.
-  // Less-than-a-minute or very large values aren't displayed.
-  static bool ShouldDisplayBatteryTime(const base::TimeDelta& time);
-
-  // Copies the hour and minute components of |time| to |hours| and |minutes|.
-  // The minute component is rounded rather than truncated: a |time| value
-  // corresponding to 92 seconds will produce a |minutes| value of 2, for
-  // example.
-  static void SplitTimeIntoHoursAndMinutes(const base::TimeDelta& time,
-                                           int* hours,
-                                           int* minutes);
-
-  // Adds or removes an observer.
-  void AddObserver(Observer* observer);
-  void RemoveObserver(Observer* observer);
-
-  // Requests updated status from the power manager.
-  void RequestStatusUpdate();
-
-  // Changes the power source to the source with the given ID.
-  void SetPowerSource(const std::string& id);
-
-  // Returns true if a battery is present.
-  bool IsBatteryPresent() const;
-
-  // Returns true if the battery is full. This also implies that a charger
-  // is connected.
-  bool IsBatteryFull() const;
-
-  // Returns true if the battery is charging. Note that this implies that a
-  // charger is connected but the converse is not necessarily true: the
-  // battery may be discharging even while a (perhaps low-power) charger is
-  // connected. Use Is*Connected() to test for the presence of a charger
-  // and also see IsBatteryDischargingOnLinePower().
-  bool IsBatteryCharging() const;
-
-  // Returns true if the battery is discharging (or neither charging nor
-  // discharging while not being full) while line power is connected.
-  bool IsBatteryDischargingOnLinePower() const;
-
-  // Returns the battery's remaining charge as a value in the range [0.0,
-  // 100.0].
-  double GetBatteryPercent() const;
-
-  // Returns the battery's remaining charge, rounded to an integer with a
-  // maximum value of 100.
-  int GetRoundedBatteryPercent() const;
-
-  // Returns true if the battery's time-to-full and time-to-empty estimates
-  // should not be displayed because the power manager is still calculating
-  // them.
-  bool IsBatteryTimeBeingCalculated() const;
-
-  // Returns the estimated time until the battery is empty (if line power
-  // is disconnected) or full (if line power is connected). These estimates
-  // should only be used if IsBatteryTimeBeingCalculated() returns false.
-  base::TimeDelta GetBatteryTimeToEmpty() const;
-  base::TimeDelta GetBatteryTimeToFull() const;
-
-  // Returns true if line power (including a charger of any type) is connected.
-  bool IsLinePowerConnected() const;
-
-  // Returns true if an official, non-USB charger is connected.
-  bool IsMainsChargerConnected() const;
-
-  // Returns true if a USB charger (which is likely to only support a low
-  // charging rate) is connected.
-  bool IsUsbChargerConnected() const;
-
-  // Returns true if the system allows some connected devices to function as
-  // either power sources or sinks.
-  bool SupportsDualRoleDevices() const;
-
-  // Returns true if at least one dual-role device is connected.
-  bool HasDualRoleDevices() const;
-
-  // Returns a list of available power sources which the user may select.
-  std::vector<PowerSource> GetPowerSources() const;
-
-  // Returns the ID of the currently used power source, or an empty string if no
-  // power source is selected.
-  std::string GetCurrentPowerSourceID() const;
-
-  // Returns information about the image that would be returned by
-  // GetBatteryImage(). This can be cached and compared against future objects
-  // returned by this method to avoid creating new images unnecessarily.
-  BatteryImageInfo GetBatteryImageInfo(IconSet icon_set) const;
-
-  // A helper function called by GetBatteryImageInfo(). Populates the
-  // MD-specific fields of |info|.
-  void CalculateBatteryImageInfoMd(BatteryImageInfo* info) const;
-
-  // A helper function called by GetBatteryImageInfo(). Populates the
-  // non-MD-specific fields of |info|.
-  void CalculateBatteryImageInfoNonMd(BatteryImageInfo* info,
-                                      const IconSet& icon_set) const;
-
-  // Creates a new image that should be shown for the battery's current state.
-  gfx::ImageSkia GetBatteryImage(const BatteryImageInfo& info) const;
-
-  // A version of GetBatteryImage() that is used when material design is not
-  // enabled.
-  // TODO(tdanderson): Remove this once material design is enabled by default.
-  // See crbug.com/614453.
-  gfx::ImageSkia GetBatteryImageNonMd(const BatteryImageInfo& info) const;
-
-  // Returns an string describing the current state for accessibility.
-  base::string16 GetAccessibleNameString(bool full_description) const;
-
-  // Updates |proto_|. Does not notify observers.
-  void SetProtoForTesting(const power_manager::PowerSupplyProperties& proto);
-
- protected:
-  PowerStatus();
-  ~PowerStatus() override;
-
- private:
-  // Overriden from PowerManagerClient::Observer.
-  void PowerChanged(const power_manager::PowerSupplyProperties& proto) override;
-
-  base::ObserverList<Observer> observers_;
-
-  // Current state.
-  power_manager::PowerSupplyProperties proto_;
-
-  DISALLOW_COPY_AND_ASSIGN(PowerStatus);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_POWER_POWER_STATUS_H_