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 Song(long songId, MediaMetadata metadata, Long sortKey)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 getSongId()41 public long getSongId() { 42 return mSongId; 43 } getSortKey()44 public long getSortKey() { 45 return mSortKey; 46 } setSortKey(long sortKey)47 public void setSortKey(long sortKey) { 48 mSortKey = sortKey; 49 } 50 getMetadata()51 public MediaMetadata getMetadata() { 52 return mMetadata; 53 } setMetadata(MediaMetadata metadata)54 public void setMetadata(MediaMetadata metadata) { 55 mMetadata = metadata; 56 } 57 58 @Override equals(Object o)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 hashCode()73 public int hashCode() { 74 return Long.hashCode(mSongId); 75 } 76 77 @Override describeContents()78 public int describeContents() { 79 return 0; 80 } 81 82 @Override writeToParcel(Parcel out, int flags)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