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      1 /*
      2  * Copyright (C) 2014 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.music.utils;
     18 
     19 import android.media.MediaMetadata;
     20 import android.os.Parcel;
     21 import android.os.Parcelable;
     22 import android.text.TextUtils;
     23 
     24 /**
     25  * Holder class that encapsulates a MediaMetadata and allows the actual metadata to be modified
     26  * without requiring to rebuild the collections the metadata is in.
     27  */
     28 public class Song implements Parcelable {
     29     private MediaMetadata mMetadata;
     30     private long mSongId;
     31     private long mSortKey;
     32 
     33     public Song(long songId, MediaMetadata metadata, Long sortKey) {
     34         mMetadata = metadata;
     35         mSongId = songId;
     36         if (sortKey != null) {
     37             mSortKey = sortKey;
     38         }
     39     }
     40 
     41     public long getSongId() {
     42         return mSongId;
     43     }
     44     public long getSortKey() {
     45         return mSortKey;
     46     }
     47     public void setSortKey(long sortKey) {
     48         mSortKey = sortKey;
     49     }
     50 
     51     public MediaMetadata getMetadata() {
     52         return mMetadata;
     53     }
     54     public void setMetadata(MediaMetadata metadata) {
     55         mMetadata = metadata;
     56     }
     57 
     58     @Override
     59     public boolean equals(Object o) {
     60         if (this == o) {
     61             return true;
     62         }
     63         if (o == null || o.getClass() != Song.class) {
     64             return false;
     65         }
     66 
     67         Song that = (Song) o;
     68 
     69         return mSongId == that.getSongId();
     70     }
     71 
     72     @Override
     73     public int hashCode() {
     74         return Long.hashCode(mSongId);
     75     }
     76 
     77     @Override
     78     public int describeContents() {
     79         return 0;
     80     }
     81 
     82     @Override
     83     public void writeToParcel(Parcel out, int flags) {
     84         out.writeLong(mSortKey);
     85         out.writeLong(mSongId);
     86         out.writeParcelable(mMetadata, flags);
     87     }
     88 
     89     public static final Parcelable.Creator<Song> CREATOR = new Parcelable.Creator<Song>() {
     90         public Song createFromParcel(Parcel in) {
     91             MediaMetadata metadata = in.readParcelable(null);
     92             long songId = in.readLong();
     93             long sortKey = in.readLong();
     94             return new Song(songId, metadata, sortKey);
     95         }
     96 
     97         public Song[] newArray(int size) {
     98             return new Song[size];
     99         }
    100     };
    101 }
    102