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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_ | 5 #ifndef CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_ |
6 #define CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_ | 6 #define CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_ |
7 | 7 |
8 #include "base/android/scoped_java_ref.h" | 8 #include "base/android/scoped_java_ref.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/synchronization/lock.h" | 10 #include "base/synchronization/lock.h" |
11 #include "content/browser/device_orientation/device_data.h" | |
12 #include "content/common/content_export.h" | 11 #include "content/common/content_export.h" |
13 #include "content/common/device_orientation/device_motion_hardware_buffer.h" | 12 #include "content/common/device_orientation/device_motion_hardware_buffer.h" |
14 #include "content/common/device_orientation/device_orientation_hardware_buffer.h
" | 13 #include "content/common/device_orientation/device_orientation_hardware_buffer.h
" |
15 | 14 |
16 template<typename T> struct DefaultSingletonTraits; | 15 template<typename T> struct DefaultSingletonTraits; |
17 | 16 |
18 namespace content { | 17 namespace content { |
19 | 18 |
20 // Android implementation of Device Orientation API. | 19 // Android implementation of Device Orientation API. |
21 // | 20 // |
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36 // Called from Java via JNI. | 35 // Called from Java via JNI. |
37 void GotOrientation(JNIEnv*, jobject, | 36 void GotOrientation(JNIEnv*, jobject, |
38 double alpha, double beta, double gamma); | 37 double alpha, double beta, double gamma); |
39 void GotAcceleration(JNIEnv*, jobject, | 38 void GotAcceleration(JNIEnv*, jobject, |
40 double x, double y, double z); | 39 double x, double y, double z); |
41 void GotAccelerationIncludingGravity(JNIEnv*, jobject, | 40 void GotAccelerationIncludingGravity(JNIEnv*, jobject, |
42 double x, double y, double z); | 41 double x, double y, double z); |
43 void GotRotationRate(JNIEnv*, jobject, | 42 void GotRotationRate(JNIEnv*, jobject, |
44 double alpha, double beta, double gamma); | 43 double alpha, double beta, double gamma); |
45 | 44 |
46 virtual bool Start(DeviceData::Type event_type); | |
47 virtual void Stop(DeviceData::Type event_type); | |
48 | |
49 // Shared memory related methods. | 45 // Shared memory related methods. |
50 bool StartFetchingDeviceMotionData(DeviceMotionHardwareBuffer* buffer); | 46 bool StartFetchingDeviceMotionData(DeviceMotionHardwareBuffer* buffer); |
51 void StopFetchingDeviceMotionData(); | 47 void StopFetchingDeviceMotionData(); |
52 | 48 |
53 bool StartFetchingDeviceOrientationData( | 49 bool StartFetchingDeviceOrientationData( |
54 DeviceOrientationHardwareBuffer* buffer); | 50 DeviceOrientationHardwareBuffer* buffer); |
55 void StopFetchingDeviceOrientationData(); | 51 void StopFetchingDeviceOrientationData(); |
56 | 52 |
57 protected: | 53 protected: |
| 54 enum EventType { |
| 55 // These constants should match DEVICE_ORIENTATION and DEVICE_MOTION |
| 56 // constants in content/public/android/java/src/org/chromium/content/ |
| 57 // browser/DeviceMotionAndOrientation.java |
| 58 kTypeOrientation = 0, |
| 59 kTypeMotion = 1 |
| 60 }; |
| 61 |
58 DataFetcherImplAndroid(); | 62 DataFetcherImplAndroid(); |
59 virtual ~DataFetcherImplAndroid(); | 63 virtual ~DataFetcherImplAndroid(); |
60 | 64 |
| 65 virtual bool Start(EventType event_type); |
| 66 virtual void Stop(EventType event_type); |
61 virtual int GetNumberActiveDeviceMotionSensors(); | 67 virtual int GetNumberActiveDeviceMotionSensors(); |
62 | 68 |
63 private: | 69 private: |
64 friend struct DefaultSingletonTraits<DataFetcherImplAndroid>; | 70 friend struct DefaultSingletonTraits<DataFetcherImplAndroid>; |
65 | 71 |
66 void CheckMotionBufferReadyToRead(); | |
67 void SetMotionBufferReadyStatus(bool ready); | |
68 void ClearInternalMotionBuffers(); | |
69 | |
70 void SetOrientationBufferReadyStatus(bool ready); | |
71 | |
72 enum { | 72 enum { |
73 RECEIVED_MOTION_DATA_ACCELERATION = 0, | 73 RECEIVED_MOTION_DATA_ACCELERATION = 0, |
74 RECEIVED_MOTION_DATA_ACCELERATION_INCL_GRAVITY = 1, | 74 RECEIVED_MOTION_DATA_ACCELERATION_INCL_GRAVITY = 1, |
75 RECEIVED_MOTION_DATA_ROTATION_RATE = 2, | 75 RECEIVED_MOTION_DATA_ROTATION_RATE = 2, |
76 RECEIVED_MOTION_DATA_MAX = 3, | 76 RECEIVED_MOTION_DATA_MAX = 3, |
77 }; | 77 }; |
78 | 78 |
| 79 void CheckMotionBufferReadyToRead(); |
| 80 void SetMotionBufferReadyStatus(bool ready); |
| 81 void ClearInternalMotionBuffers(); |
| 82 |
| 83 void SetOrientationBufferReadyStatus(bool ready); |
| 84 |
79 // The Java provider of orientation info. | 85 // The Java provider of orientation info. |
80 base::android::ScopedJavaGlobalRef<jobject> device_orientation_; | 86 base::android::ScopedJavaGlobalRef<jobject> device_orientation_; |
81 int number_active_device_motion_sensors_; | 87 int number_active_device_motion_sensors_; |
82 int received_motion_data_[RECEIVED_MOTION_DATA_MAX]; | 88 int received_motion_data_[RECEIVED_MOTION_DATA_MAX]; |
83 DeviceMotionHardwareBuffer* device_motion_buffer_; | 89 DeviceMotionHardwareBuffer* device_motion_buffer_; |
84 DeviceOrientationHardwareBuffer* device_orientation_buffer_; | 90 DeviceOrientationHardwareBuffer* device_orientation_buffer_; |
85 bool is_motion_buffer_ready_; | 91 bool is_motion_buffer_ready_; |
86 bool is_orientation_buffer_ready_; | 92 bool is_orientation_buffer_ready_; |
87 | 93 |
88 base::Lock motion_buffer_lock_; | 94 base::Lock motion_buffer_lock_; |
89 base::Lock orientation_buffer_lock_; | 95 base::Lock orientation_buffer_lock_; |
90 | 96 |
91 DISALLOW_COPY_AND_ASSIGN(DataFetcherImplAndroid); | 97 DISALLOW_COPY_AND_ASSIGN(DataFetcherImplAndroid); |
92 }; | 98 }; |
93 | 99 |
94 } // namespace content | 100 } // namespace content |
95 | 101 |
96 #endif // CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_ | 102 #endif // CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_ |
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