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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 package org.chromium.content.browser; | |
| 6 | |
| 7 import android.content.Context; | |
| 8 import android.content.pm.PackageManager; | |
| 9 import android.media.AudioManager; | |
| 10 import android.os.Vibrator; | |
| 11 import android.util.Log; | |
| 12 | |
| 13 import org.chromium.base.CalledByNative; | |
| 14 import org.chromium.base.JNINamespace; | |
| 15 | |
| 16 /** | |
| 17 * This is the implementation of the C++ counterpart VibrationProvider. | |
| 18 */ | |
| 19 @JNINamespace("content") | |
| 20 class VibrationProvider { | |
| 21 private static final String TAG = "VibrationProvider"; | |
| 22 | |
| 23 private final AudioManager mAudioManager; | |
| 24 private final Vibrator mVibrator; | |
| 25 private final boolean mHasVibratePermission; | |
| 26 | |
| 27 @CalledByNative | |
| 28 private static VibrationProvider create(Context context) { | |
| 29 return new VibrationProvider(context); | |
| 30 } | |
| 31 | |
| 32 @CalledByNative | |
| 33 private void vibrate(long milliseconds) { | |
| 34 if (mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_SILENT | |
| 35 && mHasVibratePermission) { | |
| 36 mVibrator.vibrate(milliseconds); | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 @CalledByNative | |
| 41 private void cancelVibration() { | |
| 42 if (mHasVibratePermission) mVibrator.cancel(); | |
| 43 } | |
| 44 | |
| 45 private VibrationProvider(Context context) { | |
| 46 mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SE
RVICE); | |
| 47 mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE
); | |
| 48 mHasVibratePermission = context.checkCallingOrSelfPermission( | |
| 49 android.Manifest.permission.VIBRATE) == PackageManager.PERMISSIO
N_GRANTED; | |
| 50 if (!mHasVibratePermission) { | |
| 51 Log.w(TAG, "Failed to use vibrate API, requires VIBRATE permission."
); | |
| 52 } | |
| 53 } | |
| 54 } | |
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