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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "device_motion_event_pump.h" | 5 #include "device_motion_event_pump.h" |
| 6 | 6 |
| 7 #include "content/common/device_orientation/device_motion_messages.h" | 7 #include "content/common/device_orientation/device_motion_messages.h" |
| 8 #include "content/public/renderer/render_thread.h" | 8 #include "content/public/renderer/render_thread.h" |
| 9 #include "third_party/WebKit/public/platform/WebDeviceMotionListener.h" | 9 #include "third_party/WebKit/public/platform/WebDeviceMotionListener.h" |
| 10 | 10 |
| 11 namespace content { | 11 namespace content { |
| 12 | 12 |
| 13 DeviceMotionEventPump::DeviceMotionEventPump() | 13 DeviceMotionEventPump::DeviceMotionEventPump() |
| 14 : DeviceSensorEventPump(), listener_(0) { | 14 : DeviceSensorEventPump(), listener_(0) { |
| 15 } | 15 } |
| 16 | 16 |
| 17 DeviceMotionEventPump::DeviceMotionEventPump(int pump_delay_millis) | 17 DeviceMotionEventPump::DeviceMotionEventPump(int pump_delay_millis) |
| 18 : DeviceSensorEventPump(pump_delay_millis), listener_(0) { | 18 : DeviceSensorEventPump(pump_delay_millis), listener_(0) { |
| 19 } | 19 } |
| 20 | 20 |
| 21 DeviceMotionEventPump::~DeviceMotionEventPump() { | 21 DeviceMotionEventPump::~DeviceMotionEventPump() { |
| 22 } | 22 } |
| 23 | 23 |
| 24 bool DeviceMotionEventPump::SetListener( | 24 bool DeviceMotionEventPump::SetListener( |
| 25 WebKit::WebDeviceMotionListener* listener) { | 25 blink::WebDeviceMotionListener* listener) { |
| 26 listener_ = listener; | 26 listener_ = listener; |
| 27 return listener_ ? RequestStart() : Stop(); | 27 return listener_ ? RequestStart() : Stop(); |
| 28 } | 28 } |
| 29 | 29 |
| 30 bool DeviceMotionEventPump::OnControlMessageReceived( | 30 bool DeviceMotionEventPump::OnControlMessageReceived( |
| 31 const IPC::Message& message) { | 31 const IPC::Message& message) { |
| 32 bool handled = true; | 32 bool handled = true; |
| 33 IPC_BEGIN_MESSAGE_MAP(DeviceMotionEventPump, message) | 33 IPC_BEGIN_MESSAGE_MAP(DeviceMotionEventPump, message) |
| 34 IPC_MESSAGE_HANDLER(DeviceMotionMsg_DidStartPolling, OnDidStart) | 34 IPC_MESSAGE_HANDLER(DeviceMotionMsg_DidStartPolling, OnDidStart) |
| 35 IPC_MESSAGE_UNHANDLED(handled = false) | 35 IPC_MESSAGE_UNHANDLED(handled = false) |
| 36 IPC_END_MESSAGE_MAP() | 36 IPC_END_MESSAGE_MAP() |
| 37 return handled; | 37 return handled; |
| 38 } | 38 } |
| 39 | 39 |
| 40 void DeviceMotionEventPump::FireEvent() { | 40 void DeviceMotionEventPump::FireEvent() { |
| 41 DCHECK(listener_); | 41 DCHECK(listener_); |
| 42 WebKit::WebDeviceMotionData data; | 42 blink::WebDeviceMotionData data; |
| 43 if (reader_->GetLatestData(&data) && data.allAvailableSensorsAreActive) | 43 if (reader_->GetLatestData(&data) && data.allAvailableSensorsAreActive) |
| 44 listener_->didChangeDeviceMotion(data); | 44 listener_->didChangeDeviceMotion(data); |
| 45 } | 45 } |
| 46 | 46 |
| 47 bool DeviceMotionEventPump::InitializeReader(base::SharedMemoryHandle handle) { | 47 bool DeviceMotionEventPump::InitializeReader(base::SharedMemoryHandle handle) { |
| 48 if (!reader_) | 48 if (!reader_) |
| 49 reader_.reset(new DeviceMotionSharedMemoryReader()); | 49 reader_.reset(new DeviceMotionSharedMemoryReader()); |
| 50 return reader_->Initialize(handle); | 50 return reader_->Initialize(handle); |
| 51 } | 51 } |
| 52 | 52 |
| 53 bool DeviceMotionEventPump::SendStartMessage() { | 53 bool DeviceMotionEventPump::SendStartMessage() { |
| 54 return RenderThread::Get()->Send(new DeviceMotionHostMsg_StartPolling()); | 54 return RenderThread::Get()->Send(new DeviceMotionHostMsg_StartPolling()); |
| 55 } | 55 } |
| 56 | 56 |
| 57 | 57 |
| 58 bool DeviceMotionEventPump::SendStopMessage() { | 58 bool DeviceMotionEventPump::SendStopMessage() { |
| 59 return RenderThread::Get()->Send(new DeviceMotionHostMsg_StopPolling()); | 59 return RenderThread::Get()->Send(new DeviceMotionHostMsg_StopPolling()); |
| 60 } | 60 } |
| 61 | 61 |
| 62 } // namespace content | 62 } // namespace content |
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