1 /* 2 * Copyright (C) 2013 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.media; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 import android.text.TextUtils; 22 23 import java.util.ArrayList; 24 25 /** 26 * Information available from IRemoteDisplayProvider about available remote displays. 27 * 28 * Clients must not modify the contents of this object. 29 * @hide 30 */ 31 public final class RemoteDisplayState implements Parcelable { 32 // Note: These constants are used by the remote display provider API. 33 // Do not change them! 34 public static final String SERVICE_INTERFACE = 35 "com.android.media.remotedisplay.RemoteDisplayProvider"; 36 public static final int DISCOVERY_MODE_NONE = 0; 37 public static final int DISCOVERY_MODE_PASSIVE = 1; 38 public static final int DISCOVERY_MODE_ACTIVE = 2; 39 40 /** 41 * A list of all remote displays. 42 */ 43 public final ArrayList<RemoteDisplayInfo> displays; 44 RemoteDisplayState()45 public RemoteDisplayState() { 46 displays = new ArrayList<RemoteDisplayInfo>(); 47 } 48 RemoteDisplayState(Parcel src)49 RemoteDisplayState(Parcel src) { 50 displays = src.createTypedArrayList(RemoteDisplayInfo.CREATOR); 51 } 52 isValid()53 public boolean isValid() { 54 if (displays == null) { 55 return false; 56 } 57 final int count = displays.size(); 58 for (int i = 0; i < count; i++) { 59 if (!displays.get(i).isValid()) { 60 return false; 61 } 62 } 63 return true; 64 } 65 66 @Override describeContents()67 public int describeContents() { 68 return 0; 69 } 70 71 @Override writeToParcel(Parcel dest, int flags)72 public void writeToParcel(Parcel dest, int flags) { 73 dest.writeTypedList(displays); 74 } 75 76 public static final Parcelable.Creator<RemoteDisplayState> CREATOR = 77 new Parcelable.Creator<RemoteDisplayState>() { 78 @Override 79 public RemoteDisplayState createFromParcel(Parcel in) { 80 return new RemoteDisplayState(in); 81 } 82 83 @Override 84 public RemoteDisplayState[] newArray(int size) { 85 return new RemoteDisplayState[size]; 86 } 87 }; 88 89 public static final class RemoteDisplayInfo implements Parcelable { 90 // Note: These constants are used by the remote display provider API. 91 // Do not change them! 92 public static final int STATUS_NOT_AVAILABLE = 0; 93 public static final int STATUS_IN_USE = 1; 94 public static final int STATUS_AVAILABLE = 2; 95 public static final int STATUS_CONNECTING = 3; 96 public static final int STATUS_CONNECTED = 4; 97 98 public static final int PLAYBACK_VOLUME_VARIABLE = 99 MediaRouter.RouteInfo.PLAYBACK_VOLUME_VARIABLE; 100 public static final int PLAYBACK_VOLUME_FIXED = 101 MediaRouter.RouteInfo.PLAYBACK_VOLUME_FIXED; 102 103 public String id; 104 public String name; 105 public String description; 106 public int status; 107 public int volume; 108 public int volumeMax; 109 public int volumeHandling; 110 public int presentationDisplayId; 111 RemoteDisplayInfo(String id)112 public RemoteDisplayInfo(String id) { 113 this.id = id; 114 status = STATUS_NOT_AVAILABLE; 115 volumeHandling = MediaRouter.RouteInfo.PLAYBACK_VOLUME_FIXED; 116 presentationDisplayId = -1; 117 } 118 RemoteDisplayInfo(RemoteDisplayInfo other)119 public RemoteDisplayInfo(RemoteDisplayInfo other) { 120 id = other.id; 121 name = other.name; 122 description = other.description; 123 status = other.status; 124 volume = other.volume; 125 volumeMax = other.volumeMax; 126 volumeHandling = other.volumeHandling; 127 presentationDisplayId = other.presentationDisplayId; 128 } 129 RemoteDisplayInfo(Parcel in)130 RemoteDisplayInfo(Parcel in) { 131 id = in.readString(); 132 name = in.readString(); 133 description = in.readString(); 134 status = in.readInt(); 135 volume = in.readInt(); 136 volumeMax = in.readInt(); 137 volumeHandling = in.readInt(); 138 presentationDisplayId = in.readInt(); 139 } 140 isValid()141 public boolean isValid() { 142 return !TextUtils.isEmpty(id) && !TextUtils.isEmpty(name); 143 } 144 145 @Override describeContents()146 public int describeContents() { 147 return 0; 148 } 149 150 @Override writeToParcel(Parcel dest, int flags)151 public void writeToParcel(Parcel dest, int flags) { 152 dest.writeString(id); 153 dest.writeString(name); 154 dest.writeString(description); 155 dest.writeInt(status); 156 dest.writeInt(volume); 157 dest.writeInt(volumeMax); 158 dest.writeInt(volumeHandling); 159 dest.writeInt(presentationDisplayId); 160 } 161 162 @Override toString()163 public String toString() { 164 return "RemoteDisplayInfo{ id=" + id 165 + ", name=" + name 166 + ", description=" + description 167 + ", status=" + status 168 + ", volume=" + volume 169 + ", volumeMax=" + volumeMax 170 + ", volumeHandling=" + volumeHandling 171 + ", presentationDisplayId=" + presentationDisplayId 172 + " }"; 173 } 174 175 @SuppressWarnings("hiding") 176 public static final Parcelable.Creator<RemoteDisplayInfo> CREATOR = 177 new Parcelable.Creator<RemoteDisplayInfo>() { 178 @Override 179 public RemoteDisplayInfo createFromParcel(Parcel in) { 180 return new RemoteDisplayInfo(in); 181 } 182 183 @Override 184 public RemoteDisplayInfo[] newArray(int size) { 185 return new RemoteDisplayInfo[size]; 186 } 187 }; 188 } 189 } 190