| // 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 CONTENT_CHILD_POWER_MONITOR_BROADCAST_SOURCE_H_ |
| #define CONTENT_CHILD_POWER_MONITOR_BROADCAST_SOURCE_H_ |
| |
| #include "base/macros.h" |
| #include "base/power_monitor/power_monitor_source.h" |
| #include "content/common/content_export.h" |
| #include "ipc/ipc_channel.h" |
| |
| namespace IPC { |
| class MessageFilter; |
| } |
| |
| namespace content { |
| |
| class PowerMessageFilter; |
| |
| // Receives Power Monitor IPC messages sent from the browser process and relays |
| // them to the PowerMonitor of the current process. |
| class CONTENT_EXPORT PowerMonitorBroadcastSource : |
| public base::PowerMonitorSource { |
| public: |
| explicit PowerMonitorBroadcastSource(); |
| ~PowerMonitorBroadcastSource() override; |
| |
| IPC::MessageFilter* GetMessageFilter(); |
| |
| private: |
| friend class PowerMessageFilter; |
| |
| bool IsOnBatteryPowerImpl() override; |
| |
| void OnPowerStateChange(bool on_battery_power); |
| void OnSuspend(); |
| void OnResume(); |
| |
| bool last_reported_battery_power_state_; |
| scoped_refptr<PowerMessageFilter> message_filter_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PowerMonitorBroadcastSource); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_CHILD_POWER_MONITOR_BROADCAST_SOURCE_H_ |