Home | History | Annotate | Download | only in os
      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.os;
     18 
     19 import android.util.Log;
     20 
     21 /**
     22  * Vibrator implementation that does nothing.
     23  *
     24  * @hide
     25  */
     26 public class NullVibrator extends Vibrator {
     27     private static final NullVibrator sInstance = new NullVibrator();
     28 
     29     private NullVibrator() {
     30     }
     31 
     32     public static NullVibrator getInstance() {
     33         return sInstance;
     34     }
     35 
     36     @Override
     37     public boolean hasVibrator() {
     38         return false;
     39     }
     40 
     41     @Override
     42     public void vibrate(long milliseconds) {
     43     }
     44 
     45     @Override
     46     public void vibrate(long[] pattern, int repeat) {
     47         if (repeat >= pattern.length) {
     48             throw new ArrayIndexOutOfBoundsException();
     49         }
     50     }
     51 
     52     /**
     53      * @hide
     54      */
     55     @Override
     56     public void vibrate(int owningUid, String owningPackage, long milliseconds) {
     57         vibrate(milliseconds);
     58     }
     59 
     60     /**
     61      * @hide
     62      */
     63     @Override
     64     public void vibrate(int owningUid, String owningPackage, long[] pattern, int repeat) {
     65         vibrate(pattern, repeat);
     66     }
     67 
     68     @Override
     69     public void cancel() {
     70     }
     71 }
     72