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      1 /*
      2  * Copyright (C) 2011 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 com.android.ex.variablespeed;
     18 
     19 import android.content.Context;
     20 import android.media.MediaPlayer;
     21 import android.net.Uri;
     22 
     23 import java.io.IOException;
     24 
     25 import javax.annotation.concurrent.Immutable;
     26 
     27 /**
     28  * Encapsulates the data source for a media player.
     29  * <p>
     30  * Is used to make the setting of the data source for a
     31  * {@link android.media.MediaPlayer} easier, or the calling of the correct
     32  * {@link VariableSpeedNative} method done correctly. You should not use this class
     33  * directly, it is for the benefit of the {@link VariableSpeed} implementation.
     34  */
     35 @Immutable
     36 /*package*/ class MediaPlayerDataSource {
     37     private final Context mContext;
     38     private final Uri mUri;
     39     private final String mPath;
     40 
     41     public MediaPlayerDataSource(Context context, Uri intentUri) {
     42         mContext = context;
     43         mUri = intentUri;
     44         mPath = null;
     45     }
     46 
     47     public MediaPlayerDataSource(String path) {
     48         mContext = null;
     49         mUri = null;
     50         mPath = path;
     51     }
     52 
     53     public void setAsSourceFor(MediaPlayer mediaPlayer) throws IOException {
     54         if (mContext != null) {
     55             mediaPlayer.setDataSource(mContext, mUri);
     56         } else {
     57             mediaPlayer.setDataSource(mPath);
     58         }
     59     }
     60 
     61     public void playNative() throws IOException {
     62         if (mContext != null) {
     63             VariableSpeedNative.playFromContext(mContext, mUri);
     64         } else {
     65             VariableSpeedNative.playUri(mPath);
     66         }
     67     }
     68 }
     69