1a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// found in the LICENSE file. 4a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 5a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "content/child/power_monitor_broadcast_source.h" 6a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 7a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "base/message_loop/message_loop.h" 8a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "content/common/power_monitor_messages.h" 95c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "ipc/message_filter.h" 10a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 11a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)namespace content { 12a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 135c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuclass PowerMessageFilter : public IPC::MessageFilter { 14a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) public: 15a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) PowerMessageFilter( 16a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) PowerMonitorBroadcastSource* source, 17a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) scoped_refptr<base::MessageLoopProxy> message_loop) 18a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) : source_(source), 19a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) message_loop_(message_loop) { 20a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 21a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 22a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE { 23a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) bool handled = true; 24a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) IPC_BEGIN_MESSAGE_MAP(PowerMessageFilter, message) 25a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) IPC_MESSAGE_HANDLER(PowerMonitorMsg_PowerStateChange, OnPowerStateChange) 26a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) IPC_MESSAGE_HANDLER(PowerMonitorMsg_Suspend, OnSuspend) 27a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) IPC_MESSAGE_HANDLER(PowerMonitorMsg_Resume, OnResume) 28a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) IPC_MESSAGE_UNHANDLED(handled = false) 29a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) IPC_END_MESSAGE_MAP() 30a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return handled; 31a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 32a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 33a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void RemoveSource() { 34a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) source_ = NULL; 35a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 36a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 37a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) private: 38a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) friend class base::RefCounted<PowerMessageFilter>; 39a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 40a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) virtual ~PowerMessageFilter() {}; 41a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 42a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void OnPowerStateChange(bool on_battery_power) { 43a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) message_loop_->PostTask(FROM_HERE, 44a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) base::Bind(&PowerMessageFilter::NotifySourcePowerStateChange, this, 45a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) on_battery_power)); 46a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 47a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void OnSuspend() { 48a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) message_loop_->PostTask(FROM_HERE, 49a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) base::Bind(&PowerMessageFilter::NotifySourceSuspend, this)); 50a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 51a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void OnResume() { 52a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) message_loop_->PostTask(FROM_HERE, 53a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) base::Bind(&PowerMessageFilter::NotifySourceResume, this)); 54a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 55a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 56a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void NotifySourcePowerStateChange(bool on_battery_power) { 57a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (source_) 58a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) source_->OnPowerStateChange(on_battery_power); 59a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 60a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void NotifySourceSuspend() { 61a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (source_) 62a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) source_->OnSuspend(); 63a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 64a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) void NotifySourceResume() { 65a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (source_) 66a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) source_->OnResume(); 67a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 68a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 69a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // source_ should only be accessed on the thread associated with 70a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // message_loop_. 71a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) PowerMonitorBroadcastSource* source_; 72a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) scoped_refptr<base::MessageLoopProxy> message_loop_; 73a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 74a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(PowerMessageFilter); 75a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)}; 76a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 77a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)PowerMonitorBroadcastSource::PowerMonitorBroadcastSource() 78a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) : last_reported_battery_power_state_(false) { 79a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) message_filter_ = new PowerMessageFilter(this, 80a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) base::MessageLoopProxy::current()); 81a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 82a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 83a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)PowerMonitorBroadcastSource::~PowerMonitorBroadcastSource() { 84a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) message_filter_->RemoveSource(); 85a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 86a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo LiuIPC::MessageFilter* PowerMonitorBroadcastSource::GetMessageFilter() { 88a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return message_filter_.get(); 89a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 90a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 91a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)bool PowerMonitorBroadcastSource::IsOnBatteryPowerImpl() { 92a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return last_reported_battery_power_state_; 93a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 94a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 95a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)void PowerMonitorBroadcastSource::OnPowerStateChange(bool on_battery_power) { 96a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) last_reported_battery_power_state_ = on_battery_power; 97a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ProcessPowerEvent(PowerMonitorSource::POWER_STATE_EVENT); 98a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 99a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 100a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)void PowerMonitorBroadcastSource::OnSuspend() { 101a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ProcessPowerEvent(PowerMonitorSource::SUSPEND_EVENT); 102a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 103a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 104a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)void PowerMonitorBroadcastSource::OnResume() { 105a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ProcessPowerEvent(PowerMonitorSource::RESUME_EVENT); 106a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 107a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 108a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} // namespace content 109