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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 package org.chromium.content.browser; | 5 package org.chromium.content.browser; |
6 | 6 |
7 import android.content.Context; | 7 import android.content.Context; |
8 import android.hardware.Sensor; | 8 import android.hardware.Sensor; |
9 import android.hardware.SensorEvent; | 9 import android.hardware.SensorEvent; |
10 import android.hardware.SensorEventListener; | 10 import android.hardware.SensorEventListener; |
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51 | 51 |
52 // Lazily initialized when registering for notifications. | 52 // Lazily initialized when registering for notifications. |
53 private SensorManagerProxy mSensorManagerProxy; | 53 private SensorManagerProxy mSensorManagerProxy; |
54 | 54 |
55 // The only instance of that class and its associated lock. | 55 // The only instance of that class and its associated lock. |
56 private static DeviceMotionAndOrientation sSingleton; | 56 private static DeviceMotionAndOrientation sSingleton; |
57 private static Object sSingletonLock = new Object(); | 57 private static Object sSingletonLock = new Object(); |
58 | 58 |
59 /** | 59 /** |
60 * constants for using in JNI calls, also see | 60 * constants for using in JNI calls, also see |
61 * content/browser/device_orientation/data_fetcher_impl_android.cc | 61 * content/browser/device_orientation/sensor_manager_android.cc |
62 */ | 62 */ |
63 static final int DEVICE_ORIENTATION = 0; | 63 static final int DEVICE_ORIENTATION = 0; |
64 static final int DEVICE_MOTION = 1; | 64 static final int DEVICE_MOTION = 1; |
65 | 65 |
66 static final Set<Integer> DEVICE_ORIENTATION_SENSORS = CollectionUtil.newHas
hSet( | 66 static final Set<Integer> DEVICE_ORIENTATION_SENSORS = CollectionUtil.newHas
hSet( |
67 Sensor.TYPE_ROTATION_VECTOR); | 67 Sensor.TYPE_ROTATION_VECTOR); |
68 | 68 |
69 static final Set<Integer> DEVICE_MOTION_SENSORS = CollectionUtil.newHashSet( | 69 static final Set<Integer> DEVICE_MOTION_SENSORS = CollectionUtil.newHashSet( |
70 Sensor.TYPE_ACCELEROMETER, | 70 Sensor.TYPE_ACCELEROMETER, |
71 Sensor.TYPE_LINEAR_ACCELERATION, | 71 Sensor.TYPE_LINEAR_ACCELERATION, |
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432 synchronized (sSingletonLock) { | 432 synchronized (sSingletonLock) { |
433 if (sSingleton == null) { | 433 if (sSingleton == null) { |
434 sSingleton = new DeviceMotionAndOrientation(); | 434 sSingleton = new DeviceMotionAndOrientation(); |
435 } | 435 } |
436 return sSingleton; | 436 return sSingleton; |
437 } | 437 } |
438 } | 438 } |
439 | 439 |
440 /** | 440 /** |
441 * Native JNI calls, | 441 * Native JNI calls, |
442 * see content/browser/device_orientation/data_fetcher_impl_android.cc | 442 * see content/browser/device_orientation/sensor_manager_android.cc |
443 */ | 443 */ |
444 | 444 |
445 /** | 445 /** |
446 * Orientation of the device with respect to its reference frame. | 446 * Orientation of the device with respect to its reference frame. |
447 */ | 447 */ |
448 private native void nativeGotOrientation( | 448 private native void nativeGotOrientation( |
449 long nativeDataFetcherImplAndroid, | 449 long nativeSensorManagerAndroid, |
450 double alpha, double beta, double gamma); | 450 double alpha, double beta, double gamma); |
451 | 451 |
452 /** | 452 /** |
453 * Linear acceleration without gravity of the device with respect to its bod
y frame. | 453 * Linear acceleration without gravity of the device with respect to its bod
y frame. |
454 */ | 454 */ |
455 private native void nativeGotAcceleration( | 455 private native void nativeGotAcceleration( |
456 long nativeDataFetcherImplAndroid, | 456 long nativeSensorManagerAndroid, |
457 double x, double y, double z); | 457 double x, double y, double z); |
458 | 458 |
459 /** | 459 /** |
460 * Acceleration including gravity of the device with respect to its body fra
me. | 460 * Acceleration including gravity of the device with respect to its body fra
me. |
461 */ | 461 */ |
462 private native void nativeGotAccelerationIncludingGravity( | 462 private native void nativeGotAccelerationIncludingGravity( |
463 long nativeDataFetcherImplAndroid, | 463 long nativeSensorManagerAndroid, |
464 double x, double y, double z); | 464 double x, double y, double z); |
465 | 465 |
466 /** | 466 /** |
467 * Rotation rate of the device with respect to its body frame. | 467 * Rotation rate of the device with respect to its body frame. |
468 */ | 468 */ |
469 private native void nativeGotRotationRate( | 469 private native void nativeGotRotationRate( |
470 long nativeDataFetcherImplAndroid, | 470 long nativeSensorManagerAndroid, |
471 double alpha, double beta, double gamma); | 471 double alpha, double beta, double gamma); |
472 | 472 |
473 /** | 473 /** |
474 * Need the an interface for SensorManager for testing. | 474 * Need the an interface for SensorManager for testing. |
475 */ | 475 */ |
476 interface SensorManagerProxy { | 476 interface SensorManagerProxy { |
477 public boolean registerListener(SensorEventListener listener, int sensor
Type, int rate, | 477 public boolean registerListener(SensorEventListener listener, int sensor
Type, int rate, |
478 Handler handler); | 478 Handler handler); |
479 public void unregisterListener(SensorEventListener listener, int sensorT
ype); | 479 public void unregisterListener(SensorEventListener listener, int sensorT
ype); |
480 } | 480 } |
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499 @Override | 499 @Override |
500 public void unregisterListener(SensorEventListener listener, int sensorT
ype) { | 500 public void unregisterListener(SensorEventListener listener, int sensorT
ype) { |
501 List<Sensor> sensors = mSensorManager.getSensorList(sensorType); | 501 List<Sensor> sensors = mSensorManager.getSensorList(sensorType); |
502 if (!sensors.isEmpty()) { | 502 if (!sensors.isEmpty()) { |
503 mSensorManager.unregisterListener(listener, sensors.get(0)); | 503 mSensorManager.unregisterListener(listener, sensors.get(0)); |
504 } | 504 } |
505 } | 505 } |
506 } | 506 } |
507 | 507 |
508 } | 508 } |
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