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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 #ifndef CONTENT_RENDERER_DEVICE_ORIENTATION_EVENT_PUMP_H_ | 5 #ifndef CONTENT_RENDERER_DEVICE_ORIENTATION_EVENT_PUMP_H_ |
6 #define CONTENT_RENDERER_DEVICE_ORIENTATION_EVENT_PUMP_H_ | 6 #define CONTENT_RENDERER_DEVICE_ORIENTATION_EVENT_PUMP_H_ |
7 | 7 |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "content/renderer/device_orientation/device_sensor_event_pump.h" | 9 #include "content/renderer/device_orientation/device_sensor_event_pump.h" |
10 #include "content/renderer/shared_memory_seqlock_reader.h" | 10 #include "content/renderer/shared_memory_seqlock_reader.h" |
11 #include "third_party/WebKit/public/platform/WebDeviceOrientationData.h" | 11 #include "third_party/WebKit/public/platform/WebDeviceOrientationData.h" |
12 | 12 |
13 namespace WebKit { | 13 namespace blink { |
14 class WebDeviceOrientationListener; | 14 class WebDeviceOrientationListener; |
15 } | 15 } |
16 | 16 |
17 namespace content { | 17 namespace content { |
18 | 18 |
19 typedef SharedMemorySeqLockReader<WebKit::WebDeviceOrientationData> | 19 typedef SharedMemorySeqLockReader<blink::WebDeviceOrientationData> |
20 DeviceOrientationSharedMemoryReader; | 20 DeviceOrientationSharedMemoryReader; |
21 | 21 |
22 class CONTENT_EXPORT DeviceOrientationEventPump : public DeviceSensorEventPump { | 22 class CONTENT_EXPORT DeviceOrientationEventPump : public DeviceSensorEventPump { |
23 public: | 23 public: |
24 // Angle threshold beyond which two orientation events are considered | 24 // Angle threshold beyond which two orientation events are considered |
25 // sufficiently different. | 25 // sufficiently different. |
26 static const double kOrientationThreshold; | 26 static const double kOrientationThreshold; |
27 | 27 |
28 DeviceOrientationEventPump(); | 28 DeviceOrientationEventPump(); |
29 explicit DeviceOrientationEventPump(int pump_delay_millis); | 29 explicit DeviceOrientationEventPump(int pump_delay_millis); |
30 virtual ~DeviceOrientationEventPump(); | 30 virtual ~DeviceOrientationEventPump(); |
31 | 31 |
32 // Sets the listener to receive updates for device orientation data at | 32 // Sets the listener to receive updates for device orientation data at |
33 // regular intervals. Returns true if the registration was successful. | 33 // regular intervals. Returns true if the registration was successful. |
34 bool SetListener(WebKit::WebDeviceOrientationListener* listener); | 34 bool SetListener(blink::WebDeviceOrientationListener* listener); |
35 | 35 |
36 // RenderProcessObserver implementation. | 36 // RenderProcessObserver implementation. |
37 virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE; | 37 virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE; |
38 | 38 |
39 protected: | 39 protected: |
40 virtual void FireEvent() OVERRIDE; | 40 virtual void FireEvent() OVERRIDE; |
41 virtual bool InitializeReader(base::SharedMemoryHandle handle) OVERRIDE; | 41 virtual bool InitializeReader(base::SharedMemoryHandle handle) OVERRIDE; |
42 virtual bool SendStartMessage() OVERRIDE; | 42 virtual bool SendStartMessage() OVERRIDE; |
43 virtual bool SendStopMessage() OVERRIDE; | 43 virtual bool SendStopMessage() OVERRIDE; |
44 | 44 |
45 bool ShouldFireEvent(const WebKit::WebDeviceOrientationData& data) const; | 45 bool ShouldFireEvent(const blink::WebDeviceOrientationData& data) const; |
46 | 46 |
47 WebKit::WebDeviceOrientationListener* listener_; | 47 blink::WebDeviceOrientationListener* listener_; |
48 WebKit::WebDeviceOrientationData data_; | 48 blink::WebDeviceOrientationData data_; |
49 scoped_ptr<DeviceOrientationSharedMemoryReader> reader_; | 49 scoped_ptr<DeviceOrientationSharedMemoryReader> reader_; |
50 }; | 50 }; |
51 | 51 |
52 } // namespace content | 52 } // namespace content |
53 | 53 |
54 #endif // CONTENT_RENDERER_DEVICE_ORIENTATION_EVENT_PUMP_H_ | 54 #endif // CONTENT_RENDERER_DEVICE_ORIENTATION_EVENT_PUMP_H_ |
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