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| 1 // Copyright (c) 2012 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 #include "content/renderer/battery_status_dispatcher.h" |
| 6 |
| 7 #include "base/pickle.h" |
| 8 #include "content/common/battery_status_messages.h" |
| 9 #include "content/renderer/render_view_impl.h" |
| 10 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBatteryStatus.h" |
| 11 |
| 12 BatteryStatusDispatcher::BatteryStatusDispatcher(RenderViewImpl* render_view) |
| 13 : content::RenderViewObserver(render_view), |
| 14 started_(false) { |
| 15 } |
| 16 |
| 17 BatteryStatusDispatcher::~BatteryStatusDispatcher() { |
| 18 if (started_) |
| 19 stopUpdating(); |
| 20 } |
| 21 |
| 22 bool BatteryStatusDispatcher::OnMessageReceived(const IPC::Message& msg) { |
| 23 bool handled = true; |
| 24 IPC_BEGIN_MESSAGE_MAP(BatteryStatusDispatcher, msg) |
| 25 IPC_MESSAGE_HANDLER(BatteryStatusMsg_Updated, OnBatteryStatusUpdated) |
| 26 IPC_MESSAGE_UNHANDLED(handled = false) |
| 27 IPC_END_MESSAGE_MAP() |
| 28 return handled; |
| 29 } |
| 30 |
| 31 void BatteryStatusDispatcher::startUpdating() { |
| 32 Send(new BatteryStatusHostMsg_StartUpdating(routing_id())); |
| 33 started_ = true; |
| 34 } |
| 35 |
| 36 void BatteryStatusDispatcher::stopUpdating() { |
| 37 Send(new BatteryStatusHostMsg_StopUpdating(routing_id())); |
| 38 started_ = false; |
| 39 } |
| 40 |
| 41 void BatteryStatusDispatcher::OnBatteryStatusUpdated( |
| 42 const IPC::Message& message) { |
| 43 const char* data; |
| 44 int data_length; |
| 45 PickleIterator iter(message); |
| 46 if (message.ReadData(&iter, &data, &data_length)) { |
| 47 const WebKit::WebBatteryStatus* web_status = |
| 48 reinterpret_cast<const WebKit::WebBatteryStatus*>(data); |
| 49 render_view()->GetWebView()->updateBatteryStatus(*web_status); |
| 50 } |
| 51 } |
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