Mocks for all libcros elements

chrome/browser/chromeos/cros/power_library.h

 // Copyright (c) 2009 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 CHROME_BROWSER_CHROMEOS_CROS_POWER_LIBRARY_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_POWER_LIBRARY_H_
 
 #include "base/observer_list.h"
 #include "base/singleton.h"
 #include "base/time.h"
 #include "third_party/cros/chromeos_power.h"
 
 namespace chromeos {
 
-// This class handles the interaction with the ChromeOS power library APIs.
+// This interface defines interaction with the ChromeOS power library APIs.
 // Classes can add themselves as observers. Users can get an instance of this
 // library class like this: PowerLibrary::Get()
 class PowerLibrary {
  public:
   class Observer {
    public:
     virtual void PowerChanged(PowerLibrary* obj) = 0;
   };
+  virtual ~PowerLibrary() {}
+  virtual void AddObserver(Observer* observer) = 0;
+  virtual void RemoveObserver(Observer* observer) = 0;
+  // Whether or not the line power is connected.
+  virtual bool line_power_on() const = 0;
 
-  // This gets the singleton PowerLibrary
-  static PowerLibrary* Get();
+  // Whether or not the battery is fully charged..
+  virtual bool battery_fully_charged() const = 0;
 
-  void AddObserver(Observer* observer);
-  void RemoveObserver(Observer* observer);
+  // The percentage (0-100) of remaining battery.
+  virtual double battery_percentage() const = 0;
+
+  // Whether there is a battery present.
+  virtual bool battery_is_present() const = 0;
+
+  // The amount of time until battery is empty.
+  virtual base::TimeDelta battery_time_to_empty() const = 0;
+
+  // The amount of time until battery is full.
+  virtual base::TimeDelta battery_time_to_full() const = 0;
+};
+
+
+// This class handles the interaction with the ChromeOS power library APIs.
+// Classes can add themselves as observers. Users can get an instance of this
+// library class like this: PowerLibrary::Get()
+class PowerLibraryImpl : public PowerLibrary {
+ public:
+  PowerLibraryImpl();
+  virtual ~PowerLibraryImpl();
+
+  // PowerLibrary overrides.
+  virtual void AddObserver(Observer* observer);
+  virtual void RemoveObserver(Observer* observer);
 
   // Whether or not the line power is connected.
-  bool line_power_on() const;
+  virtual bool line_power_on() const;
 
   // Whether or not the battery is fully charged..
-  bool battery_fully_charged() const;
+  virtual bool battery_fully_charged() const;
 
   // The percentage (0-100) of remaining battery.
-  double battery_percentage() const;
+  virtual double battery_percentage() const;
 
   // Whether there is a battery present.
-  bool battery_is_present() const;
+  virtual bool battery_is_present() const;
 
   // The amount of time until battery is empty.
-  base::TimeDelta battery_time_to_empty() const;
+  virtual base::TimeDelta battery_time_to_empty() const;
 
   // The amount of time until battery is full.
-  base::TimeDelta battery_time_to_full() const;
+  virtual base::TimeDelta battery_time_to_full() const;
 
  private:
-  friend struct DefaultSingletonTraits<PowerLibrary>;
-
-  PowerLibrary();
-  ~PowerLibrary();
 
   // This method is called when there's a change in power status.
   // This method is called on a background thread.
   static void PowerStatusChangedHandler(void* object,
                                         const chromeos::PowerStatus& status);
 
   // This methods starts the monitoring of power changes.
   void Init();
 
   // Called by the handler to update the power status.
   // This will notify all the Observers.
   void UpdatePowerStatus(const chromeos::PowerStatus& status);
 
   ObserverList<Observer> observers_;
 
   // A reference to the battery power api, to allow callbacks when the battery
   // status changes.
   chromeos::PowerStatusConnection power_status_connection_;
 
   // The latest power status.
   chromeos::PowerStatus status_;
 
-  DISALLOW_COPY_AND_ASSIGN(PowerLibrary);
+  DISALLOW_COPY_AND_ASSIGN(PowerLibraryImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_POWER_LIBRARY_H_