Jeff Sharkey | 098d580 | 2012-04-26 17:30:34 -0700 | [diff] [blame^] | 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 com.android.systemui.media; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.media.IAudioService; |
| 21 | import android.media.IRingtonePlayer; |
| 22 | import android.media.Ringtone; |
| 23 | import android.net.Uri; |
| 24 | import android.os.Binder; |
| 25 | import android.os.IBinder; |
| 26 | import android.os.Process; |
| 27 | import android.os.RemoteException; |
| 28 | import android.os.ServiceManager; |
| 29 | import android.util.Slog; |
| 30 | |
| 31 | import com.android.systemui.SystemUI; |
| 32 | import com.google.android.collect.Maps; |
| 33 | |
| 34 | import java.io.FileDescriptor; |
| 35 | import java.io.PrintWriter; |
| 36 | import java.util.HashMap; |
| 37 | |
| 38 | /** |
| 39 | * Service that offers to play ringtones by {@link Uri}, since our process has |
| 40 | * {@link android.Manifest.permission#READ_EXTERNAL_STORAGE}. |
| 41 | */ |
| 42 | public class RingtonePlayer extends SystemUI { |
| 43 | private static final String TAG = "RingtonePlayer"; |
| 44 | private static final boolean LOGD = true; |
| 45 | |
| 46 | // TODO: support Uri switching under same IBinder |
| 47 | |
| 48 | private IAudioService mAudioService; |
| 49 | |
| 50 | private final NotificationPlayer mAsyncPlayer = new NotificationPlayer(TAG); |
| 51 | private final HashMap<IBinder, Client> mClients = Maps.newHashMap(); |
| 52 | |
| 53 | @Override |
| 54 | public void start() { |
| 55 | mAsyncPlayer.setUsesWakeLock(mContext); |
| 56 | |
| 57 | mAudioService = IAudioService.Stub.asInterface( |
| 58 | ServiceManager.getService(Context.AUDIO_SERVICE)); |
| 59 | try { |
| 60 | mAudioService.setRingtonePlayer(mCallback); |
| 61 | } catch (RemoteException e) { |
| 62 | Slog.e(TAG, "Problem registering RingtonePlayer: " + e); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Represents an active remote {@link Ringtone} client. |
| 68 | */ |
| 69 | private class Client implements IBinder.DeathRecipient { |
| 70 | private final IBinder mToken; |
| 71 | private final Ringtone mRingtone; |
| 72 | |
| 73 | public Client(IBinder token, Uri uri, int streamType) { |
| 74 | mToken = token; |
| 75 | mRingtone = new Ringtone(mContext, false); |
| 76 | mRingtone.setStreamType(streamType); |
| 77 | mRingtone.setUri(uri); |
| 78 | } |
| 79 | |
| 80 | @Override |
| 81 | public void binderDied() { |
| 82 | if (LOGD) Slog.d(TAG, "binderDied() token=" + mToken); |
| 83 | synchronized (mClients) { |
| 84 | mClients.remove(mToken); |
| 85 | } |
| 86 | mRingtone.stop(); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | private IRingtonePlayer mCallback = new IRingtonePlayer.Stub() { |
| 91 | @Override |
| 92 | public void play(IBinder token, Uri uri, int streamType) throws RemoteException { |
| 93 | if (LOGD) Slog.d(TAG, "play(token=" + token + ", uri=" + uri + ")"); |
| 94 | Client client; |
| 95 | synchronized (mClients) { |
| 96 | client = mClients.get(token); |
| 97 | if (client == null) { |
| 98 | client = new Client(token, uri, streamType); |
| 99 | token.linkToDeath(client, 0); |
| 100 | mClients.put(token, client); |
| 101 | } |
| 102 | } |
| 103 | client.mRingtone.play(); |
| 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public void stop(IBinder token) { |
| 108 | if (LOGD) Slog.d(TAG, "stop(token=" + token + ")"); |
| 109 | Client client; |
| 110 | synchronized (mClients) { |
| 111 | client = mClients.remove(token); |
| 112 | } |
| 113 | if (client != null) { |
| 114 | client.mToken.unlinkToDeath(client, 0); |
| 115 | client.mRingtone.stop(); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | public boolean isPlaying(IBinder token) { |
| 121 | if (LOGD) Slog.d(TAG, "isPlaying(token=" + token + ")"); |
| 122 | Client client; |
| 123 | synchronized (mClients) { |
| 124 | client = mClients.get(token); |
| 125 | } |
| 126 | if (client != null) { |
| 127 | return client.mRingtone.isPlaying(); |
| 128 | } else { |
| 129 | return false; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public void playAsync(Uri uri, boolean looping, int streamType) { |
| 135 | if (LOGD) Slog.d(TAG, "playAsync(uri=" + uri + ")"); |
| 136 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 137 | throw new SecurityException("Async playback only available from system UID."); |
| 138 | } |
| 139 | mAsyncPlayer.play(mContext, uri, looping, streamType); |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public void stopAsync() { |
| 144 | if (LOGD) Slog.d(TAG, "stopAsync()"); |
| 145 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 146 | throw new SecurityException("Async playback only available from system UID."); |
| 147 | } |
| 148 | mAsyncPlayer.stop(); |
| 149 | } |
| 150 | }; |
| 151 | |
| 152 | @Override |
| 153 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 154 | pw.println("Clients:"); |
| 155 | synchronized (mClients) { |
| 156 | for (Client client : mClients.values()) { |
| 157 | pw.print(" mToken="); |
| 158 | pw.print(client.mToken); |
| 159 | pw.print(" mUri="); |
| 160 | pw.println(client.mRingtone.getUri()); |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | } |