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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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