chromeos/dbus/fake_power_manager_client.h

   1 // Copyright (c) 2013 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 CHROMEOS_DBUS_FAKE_POWER_MANAGER_CLIENT_H_
   6 #define CHROMEOS_DBUS_FAKE_POWER_MANAGER_CLIENT_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/macros.h"
  12 #include "base/observer_list.h"
  13 #include "chromeos/dbus/power_manager/policy.pb.h"
  14 #include "chromeos/dbus/power_manager/suspend.pb.h"
  15 #include "chromeos/dbus/power_manager_client.h"
  16
  17 namespace chromeos {
  18
  19 // A fake implementation of PowerManagerClient. This remembers the policy passed
  20 // to SetPolicy() and the user of this class can inspect the last set policy by
  21 // get_policy().
  22 class FakePowerManagerClient : public PowerManagerClient {
  23  public:
  24   FakePowerManagerClient();
  25   ~FakePowerManagerClient() override;
  26
  27   power_manager::PowerManagementPolicy& policy() { return policy_; }
  28   int num_request_restart_calls() const { return num_request_restart_calls_; }
  29   int num_request_shutdown_calls() const { return num_request_shutdown_calls_; }
  30   int num_set_policy_calls() const { return num_set_policy_calls_; }
  31   int num_set_is_projecting_calls() const {
  32     return num_set_is_projecting_calls_;
  33   }
  34   bool is_projecting() const { return is_projecting_; }
  35
  36   // PowerManagerClient overrides
  37   void Init(dbus::Bus* bus) override;
  38   void AddObserver(Observer* observer) override;
  39   void RemoveObserver(Observer* observer) override;
  40   bool HasObserver(const Observer* observer) const override;
  41   void SetRenderProcessManagerDelegate(
  42       base::WeakPtr<RenderProcessManagerDelegate> delegate) override;
  43   void DecreaseScreenBrightness(bool allow_off) override;
  44   void IncreaseScreenBrightness() override;
  45   void SetScreenBrightnessPercent(double percent, bool gradual) override;
  46   void GetScreenBrightnessPercent(
  47       const GetScreenBrightnessPercentCallback& callback) override;
  48   void DecreaseKeyboardBrightness() override;
  49   void IncreaseKeyboardBrightness() override;
  50   void RequestStatusUpdate() override;
  51   void RequestSuspend() override;
  52   void RequestRestart() override;
  53   void RequestShutdown() override;
  54   void NotifyUserActivity(power_manager::UserActivityType type) override;
  55   void NotifyVideoActivity(bool is_fullscreen) override;
  56   void SetPolicy(const power_manager::PowerManagementPolicy& policy) override;
  57   void SetIsProjecting(bool is_projecting) override;
  58   base::Closure GetSuspendReadinessCallback() override;
  59   int GetNumPendingSuspendReadinessCallbacks() override;
  60
  61   // Emulates the power manager announcing that the system is starting or
  62   // completing a suspend attempt.
  63   void SendSuspendImminent();
  64   void SendSuspendDone();
  65   void SendDarkSuspendImminent();
  66
  67   // Notifies observers that the power button has been pressed or released.
  68   void SendPowerButtonEvent(bool down, const base::TimeTicks& timestamp);
  69
  70  private:
  71   // Callback that will be run by asynchronous suspend delays to report
  72   // readiness.
  73   void HandleSuspendReadiness();
  74
  75   base::ObserverList<Observer> observers_;
  76
  77   // Last policy passed to SetPolicy().
  78   power_manager::PowerManagementPolicy policy_;
  79
  80   // Number of times that various methods have been called.
  81   int num_request_restart_calls_;
  82   int num_request_shutdown_calls_;
  83   int num_set_policy_calls_;
  84   int num_set_is_projecting_calls_;
  85
  86   // Number of pending suspend readiness callbacks.
  87   int num_pending_suspend_readiness_callbacks_;
  88
  89   // Last projecting state set in SetIsProjecting().
  90   bool is_projecting_;
  91
  92   // Delegate for managing power consumption of Chrome's renderer processes.
  93   base::WeakPtr<RenderProcessManagerDelegate> render_process_manager_delegate_;
  94
  95   DISALLOW_COPY_AND_ASSIGN(FakePowerManagerClient);
  96 };
  97
  98 }  // namespace chromeos
  99
 100 #endif  // CHROMEOS_DBUS_FAKE_POWER_MANAGER_CLIENT_H_