ChromeOs Power Emulation Impl

chromeos/dbus/fake_power_manager_client.h

Index: chromeos/dbus/fake_power_manager_client.h
diff --git a/chromeos/dbus/fake_power_manager_client.h b/chromeos/dbus/fake_power_manager_client.h
index d6cd0429f975b899ec2a64fc8f8158dce391a83d..4ca1d9ce11c6a5004cf5eae1b797f3d00f05552f 100644
--- a/chromeos/dbus/fake_power_manager_client.h
+++ b/chromeos/dbus/fake_power_manager_client.h
@@ -7,10 +7,9 @@
 
 #include <string>
 
-#include "base/basictypes.h"
-#include "base/macros.h"
 #include "base/observer_list.h"
 #include "chromeos/dbus/power_manager/policy.pb.h"
+#include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
 #include "chromeos/dbus/power_manager/suspend.pb.h"
 #include "chromeos/dbus/power_manager_client.h"
 
@@ -67,6 +66,17 @@ class FakePowerManagerClient : public PowerManagerClient {
   // Notifies observers that the power button has been pressed or released.
   void SendPowerButtonEvent(bool down, const base::TimeTicks& timestamp);
 
+  // Emulates the changes in various power settings.
+  void UpdateBatteryPercentage(int percentage);
+  void UpdateBatteryFullTimeToEmpty(int time_in_hours);
+  void UpdateExternalPower(int external_power);
+  void UpdateIsBatteryCharging(bool is_charging);
+  void UpdateIsCalculatingBatteryTime(bool is_calculating);
+
+  // Called once any power states are changed to notify the observer of the
+  // change.
+  void UpdatePowerStatus();
+
  private:
   // Callback that will be run by asynchronous suspend delays to report
   // readiness.
@@ -77,6 +87,16 @@ class FakePowerManagerClient : public PowerManagerClient {
   // Last policy passed to SetPolicy().
   power_manager::PowerManagementPolicy policy_;
 
+  // The power properties set for for the UI.
+  power_manager::PowerSupplyProperties props_;
+
+  // Variables that handle states of the battery and power.
+  bool is_charging_;
+  bool is_calculating_;
+  int battery_percentage_;
+  int power_source_;
+  int hours_to_empty_full_battery_;
+
   // Number of times that various methods have been called.
   int num_request_restart_calls_;
   int num_request_shutdown_calls_;
@@ -92,6 +112,10 @@ class FakePowerManagerClient : public PowerManagerClient {
   // Delegate for managing power consumption of Chrome's renderer processes.
   base::WeakPtr<RenderProcessManagerDelegate> render_process_manager_delegate_;
 
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<FakePowerManagerClient> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(FakePowerManagerClient);
 };