MediaBrowserServiceCompat.java revision 094c558a8a4f9be922846da811568d2970064e43
1e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo/* 2e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Copyright (C) 2015 The Android Open Source Project 3e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 4e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Licensed under the Apache License, Version 2.0 (the "License"); 5e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * you may not use this file except in compliance with the License. 6e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * You may obtain a copy of the License at 7e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 8e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * http://www.apache.org/licenses/LICENSE-2.0 9e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 10e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Unless required by applicable law or agreed to in writing, software 11e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * distributed under the License is distributed on an "AS IS" BASIS, 12e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * See the License for the specific language governing permissions and 14e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * limitations under the License. 15e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 16e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 17e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seopackage android.support.v4.media; 18e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 19e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.app.Service; 20e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.content.Intent; 21e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.content.pm.PackageManager; 22e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.os.Binder; 239703a1e215168b6b580430ec490ca616b6490c80Sungsoo Limimport android.os.Build; 24e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.os.Bundle; 25e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.os.Handler; 26e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.os.IBinder; 273f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Limimport android.os.Message; 283f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Limimport android.os.Messenger; 299703a1e215168b6b580430ec490ca616b6490c80Sungsoo Limimport android.os.Parcel; 30e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.os.RemoteException; 31e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.support.annotation.NonNull; 32e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.support.annotation.Nullable; 3382cf659fd8dcc28e182274b17a401023ab879deaSungsoo Limimport android.support.v4.app.BundleCompat; 34e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.support.v4.media.session.MediaSessionCompat; 35e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.support.v4.os.ResultReceiver; 36e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.support.v4.util.ArrayMap; 37e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.text.TextUtils; 38e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport android.util.Log; 39e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 40e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport java.io.FileDescriptor; 41e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport java.io.PrintWriter; 429703a1e215168b6b580430ec490ca616b6490c80Sungsoo Limimport java.util.ArrayList; 43e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport java.util.HashSet; 44e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seoimport java.util.List; 45e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 4682cf659fd8dcc28e182274b17a401023ab879deaSungsoo Limimport static android.support.v4.media.MediaBrowserProtocol.*; 4782cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim 48e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo/** 49e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Base class for media browse services. 50e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <p> 51e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Media browse services enable applications to browse media content provided by an application 52e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * and ask the application to start playing it. They may also be used to control content that 53096f2531cb790bc1106377d2da344614a3b88d39Jae Seo * is already playing by way of a {@link MediaSessionCompat}. 54e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * </p> 55e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 56e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * To extend this class, you must declare the service in your manifest file with 57e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * an intent filter with the {@link #SERVICE_INTERFACE} action. 58e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 59e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * For example: 60e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * </p><pre> 61096f2531cb790bc1106377d2da344614a3b88d39Jae Seo * <service android:name=".MyMediaBrowserServiceCompat" 62e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * android:label="@string/service_name" > 63e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <intent-filter> 649703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim * <action android:name="android.media.browse.MediaBrowserService" /> 65e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * </intent-filter> 66e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * </service> 67e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * </pre> 68e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 69096f2531cb790bc1106377d2da344614a3b88d39Jae Seopublic abstract class MediaBrowserServiceCompat extends Service { 70096f2531cb790bc1106377d2da344614a3b88d39Jae Seo private static final String TAG = "MediaBrowserServiceCompat"; 71e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private static final boolean DBG = false; 72e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 739703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim private MediaBrowserServiceImpl mImpl; 749703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 75e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 76e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * The {@link Intent} that must be declared as handled by the service. 77e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 789703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public static final String SERVICE_INTERFACE = "android.media.browse.MediaBrowserService"; 79e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 80e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 81e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * A key for passing the MediaItem to the ResultReceiver in getItem. 82e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 83e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @hide 84e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 85e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public static final String KEY_MEDIA_ITEM = "media_item"; 86e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 87e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private final ArrayMap<IBinder, ConnectionRecord> mConnections = new ArrayMap(); 883f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim private final ServiceHandler mHandler = new ServiceHandler(); 89e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo MediaSessionCompat.Token mSession; 90e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 919703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim interface MediaBrowserServiceImpl { 923f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim void onCreate(); 939703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim IBinder onBind(Intent intent); 949703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 959703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 969703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim class MediaBrowserServiceImplBase implements MediaBrowserServiceImpl { 973f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim private Messenger mMessenger; 989703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 999703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 1009703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void onCreate() { 1013f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mMessenger = new Messenger(mHandler); 1029703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 1039703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 1049703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 1059703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public IBinder onBind(Intent intent) { 1069703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim if (SERVICE_INTERFACE.equals(intent.getAction())) { 1073f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim return mMessenger.getBinder(); 1089703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 1099703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim return null; 1109703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 1119703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 1129703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 1139703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim class MediaBrowserServiceImplApi21 implements MediaBrowserServiceImpl { 1149703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim private Object mServiceObj; 1159703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 1169703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 1179703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void onCreate() { 1189703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mServiceObj = MediaBrowserServiceCompatApi21.createService(); 11982cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim MediaBrowserServiceCompatApi21.onCreate(mServiceObj, new ServiceImplApi21()); 1209703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 1219703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 1229703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 1239703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public IBinder onBind(Intent intent) { 1249703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim return MediaBrowserServiceCompatApi21.onBind(mServiceObj, intent); 1259703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 1269703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 1279703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 12882cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim class MediaBrowserServiceImplApi23 implements MediaBrowserServiceImpl { 12982cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim private Object mServiceObj; 13082cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim 13182cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim @Override 13282cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim public void onCreate() { 13382cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim mServiceObj = MediaBrowserServiceCompatApi23.createService(); 13482cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim MediaBrowserServiceCompatApi23.onCreate(mServiceObj, new ServiceImplApi23()); 13582cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim } 13682cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim 13782cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim @Override 13882cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim public IBinder onBind(Intent intent) { 13982cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim return MediaBrowserServiceCompatApi23.onBind(mServiceObj, intent); 14082cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim } 14182cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim } 14282cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim 1433f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim private final class ServiceHandler extends Handler { 1443f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim private final ServiceImpl mServiceImpl = new ServiceImpl(); 1453f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim 1463f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim @Override 1473f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim public void handleMessage(Message msg) { 148094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim Bundle data = msg.getData(); 1493f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim switch (msg.what) { 15082cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim case CLIENT_MSG_CONNECT: 151094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim mServiceImpl.connect(data.getString(DATA_PACKAGE_NAME), 152094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim data.getInt(DATA_CALLING_UID), data.getBundle(DATA_ROOT_HINTS), 1533f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim new ServiceCallbacksCompat(msg.replyTo)); 1543f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim break; 15582cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim case CLIENT_MSG_DISCONNECT: 1563f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mServiceImpl.disconnect(new ServiceCallbacksCompat(msg.replyTo)); 1573f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim break; 15882cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim case CLIENT_MSG_ADD_SUBSCRIPTION: 159094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim mServiceImpl.addSubscription(data.getString(DATA_MEDIA_ITEM_ID), 1603f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim new ServiceCallbacksCompat(msg.replyTo)); 1613f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim break; 16282cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim case CLIENT_MSG_REMOVE_SUBSCRIPTION: 163094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim mServiceImpl.removeSubscription(data.getString(DATA_MEDIA_ITEM_ID), 1643f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim new ServiceCallbacksCompat(msg.replyTo)); 1653f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim break; 16682cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim case CLIENT_MSG_GET_MEDIA_ITEM: 167094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim mServiceImpl.getMediaItem(data.getString(DATA_MEDIA_ITEM_ID), 168094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim (ResultReceiver) data.getParcelable(DATA_RESULT_RECEIVER)); 1693f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim break; 1703f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim default: 17182cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim Log.w(TAG, "Unhandled message: " + msg 17282cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim + "\n Service version: " + SERVICE_VERSION_CURRENT 17382cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim + "\n Client version: " + msg.arg1); 1743f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim } 1753f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim } 1763f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim 177094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim @Override 178094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim public boolean sendMessageAtTime(Message msg, long uptimeMillis) { 179094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim // Binder.getCallingUid() in handleMessage will return the uid of this process. 180094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim // In order to get the right calling uid, Binder.getCallingUid() should be called here. 181094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim Bundle data = msg.getData(); 182094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim data.putInt(DATA_CALLING_UID, Binder.getCallingUid()); 183094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim return super.sendMessageAtTime(msg, uptimeMillis); 184094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim } 185094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim 1863f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim public void postOrRun(Runnable r) { 1873f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim if (Thread.currentThread() == getLooper().getThread()) { 1883f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim r.run(); 1893f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim } else { 1903f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim post(r); 1913f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim } 1923f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim } 1933f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim 1943f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim public ServiceImpl getServiceImpl() { 1953f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim return mServiceImpl; 1963f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim } 1973f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim } 1983f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim 199e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 200e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * All the info about a connection. 201e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 202e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private class ConnectionRecord { 203e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo String pkg; 204e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo Bundle rootHints; 2059703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim ServiceCallbacks callbacks; 206e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo BrowserRoot root; 207e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo HashSet<String> subscriptions = new HashSet(); 208e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 209e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 210e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 211096f2531cb790bc1106377d2da344614a3b88d39Jae Seo * Completion handler for asynchronous callback methods in {@link MediaBrowserServiceCompat}. 212e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <p> 213e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Each of the methods that takes one of these to send the result must call 214e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * {@link #sendResult} to respond to the caller with the given results. If those 215e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * functions return without calling {@link #sendResult}, they must instead call 216e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * {@link #detach} before returning, and then may call {@link #sendResult} when 217e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * they are done. If more than one of those methods is called, an exception will 218e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * be thrown. 219e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 220096f2531cb790bc1106377d2da344614a3b88d39Jae Seo * @see MediaBrowserServiceCompat#onLoadChildren 221096f2531cb790bc1106377d2da344614a3b88d39Jae Seo * @see MediaBrowserServiceCompat#onLoadItem 222e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 2239703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public static class Result<T> { 224e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private Object mDebug; 225e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private boolean mDetachCalled; 226e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private boolean mSendResultCalled; 227e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 228e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo Result(Object debug) { 229e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mDebug = debug; 230e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 231e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 232e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 233e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Send the result back to the caller. 234e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 235e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void sendResult(T result) { 236e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (mSendResultCalled) { 237e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalStateException("sendResult() called twice for: " + mDebug); 238e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 239e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mSendResultCalled = true; 240e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo onResultSent(result); 241e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 242e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 243e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 244e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Detach this message from the current thread and allow the {@link #sendResult} 245e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * call to happen later. 246e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 247e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void detach() { 248e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (mDetachCalled) { 249e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalStateException("detach() called when detach() had already" 250e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + " been called for: " + mDebug); 251e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 252e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (mSendResultCalled) { 253e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalStateException("detach() called when sendResult() had already" 254e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + " been called for: " + mDebug); 255e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 256e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mDetachCalled = true; 257e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 258e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 259e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo boolean isDone() { 260e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return mDetachCalled || mSendResultCalled; 261e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 262e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 263e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 264e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Called when the result is sent, after assertions about not being called twice 265e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * have happened. 266e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 267e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo void onResultSent(T result) { 268e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 269e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 270e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 2713f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim private class ServiceImpl { 272094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim public void connect(final String pkg, final int uid, final Bundle rootHints, 2739703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final ServiceCallbacks callbacks) { 274e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 275e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (!isValidPackage(pkg, uid)) { 276e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalArgumentException("Package/uid mismatch: uid=" + uid 277e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + " package=" + pkg); 278e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 279e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 2803f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mHandler.postOrRun(new Runnable() { 2819703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 2829703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void run() { 2839703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final IBinder b = callbacks.asBinder(); 2849703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 2859703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim // Clear out the old subscriptions. We are getting new ones. 2869703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mConnections.remove(b); 2879703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 2889703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final ConnectionRecord connection = new ConnectionRecord(); 2899703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim connection.pkg = pkg; 2909703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim connection.rootHints = rootHints; 2919703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim connection.callbacks = callbacks; 2929703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 2939703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim connection.root = 2949703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim MediaBrowserServiceCompat.this.onGetRoot(pkg, uid, rootHints); 2959703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 2969703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim // If they didn't return something, don't allow this client. 2979703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim if (connection.root == null) { 2989703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim Log.i(TAG, "No root for client " + pkg + " from service " 2999703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim + getClass().getName()); 3009703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim try { 3019703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim callbacks.onConnectFailed(); 3029703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } catch (RemoteException ex) { 3039703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim Log.w(TAG, "Calling onConnectFailed() failed. Ignoring. " 3049703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim + "pkg=" + pkg); 3059703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 3069703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } else { 3079703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim try { 3089703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mConnections.put(b, connection); 3099703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim if (mSession != null) { 3109703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim callbacks.onConnect(connection.root.getRootId(), 3119703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mSession, connection.root.getExtras()); 312e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 3139703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } catch (RemoteException ex) { 3149703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim Log.w(TAG, "Calling onConnect() failed. Dropping client. " 3159703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim + "pkg=" + pkg); 3169703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mConnections.remove(b); 317e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 318e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 3199703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 3209703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim }); 321e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 322e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 3239703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void disconnect(final ServiceCallbacks callbacks) { 3243f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mHandler.postOrRun(new Runnable() { 3259703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 3269703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void run() { 3279703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final IBinder b = callbacks.asBinder(); 3289703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 3299703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim // Clear out the old subscriptions. We are getting new ones. 3309703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final ConnectionRecord old = mConnections.remove(b); 3319703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim if (old != null) { 3329703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim // TODO 333e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 3349703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 3359703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim }); 336e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 337e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 338e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 3399703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void addSubscription(final String id, final ServiceCallbacks callbacks) { 3403f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mHandler.postOrRun(new Runnable() { 3419703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 3429703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void run() { 3439703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final IBinder b = callbacks.asBinder(); 3446a4150834d679d66abef50aff74d30ae2e846a32Sungsoo Lim 3459703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim // Get the record for the connection 3469703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final ConnectionRecord connection = mConnections.get(b); 3479703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim if (connection == null) { 3489703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim Log.w(TAG, "addSubscription for callback that isn't registered id=" 3499703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim + id); 3509703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim return; 351493571364635be0190cea8ee230a601070391e6fIan Pedowitz } 3529703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 3539703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim MediaBrowserServiceCompat.this.addSubscription(id, connection); 3549703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 3559703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim }); 356e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 357e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 3589703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void removeSubscription(final String id, final ServiceCallbacks callbacks) { 3593f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mHandler.postOrRun(new Runnable() { 360e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 361e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void run() { 362e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo final IBinder b = callbacks.asBinder(); 363e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 364e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo ConnectionRecord connection = mConnections.get(b); 365e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (connection == null) { 366e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo Log.w(TAG, "removeSubscription for callback that isn't registered id=" 367e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + id); 368e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return; 369e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 370e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (!connection.subscriptions.remove(id)) { 371e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo Log.w(TAG, "removeSubscription called for " + id 372e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + " which is not subscribed"); 373e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 374e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 375e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo }); 376e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 377e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 378e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void getMediaItem(final String mediaId, final ResultReceiver receiver) { 379e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (TextUtils.isEmpty(mediaId) || receiver == null) { 380e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return; 381e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 382e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 3833f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mHandler.postOrRun(new Runnable() { 384e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 385e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void run() { 386e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo performLoadItem(mediaId, receiver); 387e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 388e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo }); 389e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 390e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 391e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 39282cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim private class ServiceImplApi21 implements MediaBrowserServiceCompatApi21.ServiceImplApi21 { 3933f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim final ServiceImpl mServiceImpl; 3949703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 39582cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim ServiceImplApi21() { 39682cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim mServiceImpl = mHandler.getServiceImpl(); 3979703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 3989703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 3999703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 4009703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void connect(final String pkg, final Bundle rootHints, 4019703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final MediaBrowserServiceCompatApi21.ServiceCallbacks callbacks) { 402094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim mServiceImpl.connect(pkg, Binder.getCallingUid(), rootHints, 403094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim new ServiceCallbacksApi21(callbacks)); 4049703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4059703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4069703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 4079703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void disconnect(final MediaBrowserServiceCompatApi21.ServiceCallbacks callbacks) { 4083f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mServiceImpl.disconnect(new ServiceCallbacksApi21(callbacks)); 4099703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4109703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4119703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4129703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 4139703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void addSubscription( 4149703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final String id, final MediaBrowserServiceCompatApi21.ServiceCallbacks callbacks) { 4153f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mServiceImpl.addSubscription(id, new ServiceCallbacksApi21(callbacks)); 4169703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4179703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4189703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 4199703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void removeSubscription(final String id, 4209703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final MediaBrowserServiceCompatApi21.ServiceCallbacks callbacks) { 4213f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mServiceImpl.removeSubscription(id, new ServiceCallbacksApi21(callbacks)); 4229703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 42382cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim } 4249703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 42582cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim private class ServiceImplApi23 extends ServiceImplApi21 42682cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim implements MediaBrowserServiceCompatApi23.ServiceImplApi23 { 4279703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 42882cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim public void getMediaItem(final String mediaId, 42982cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim final MediaBrowserServiceCompatApi23.ItemCallback cb) { 4309703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim ResultReceiver receiverCompat = new ResultReceiver(mHandler) { 4319703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim @Override 4329703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim protected void onReceiveResult(int resultCode, Bundle resultData) { 43382cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim MediaBrowserCompat.MediaItem item = resultData.getParcelable(KEY_MEDIA_ITEM); 43482cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim Parcel itemParcel = null; 43582cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim if (item != null) { 43682cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim itemParcel = Parcel.obtain(); 43782cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim item.writeToParcel(itemParcel, 0); 43882cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim } 43982cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim cb.onItemLoaded(resultCode, resultData, itemParcel); 4409703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4419703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim }; 4423f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mServiceImpl.getMediaItem(mediaId, receiverCompat); 4439703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4449703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4459703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4469703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim private interface ServiceCallbacks { 4479703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim IBinder asBinder(); 4489703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim void onConnect(String root, MediaSessionCompat.Token session, Bundle extras) 4499703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim throws RemoteException; 4509703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim void onConnectFailed() throws RemoteException; 4519703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim void onLoadChildren(String mediaId, List<MediaBrowserCompat.MediaItem> list) 4529703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim throws RemoteException; 4539703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4549703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4559703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim private class ServiceCallbacksCompat implements ServiceCallbacks { 4563f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim final Messenger mCallbacks; 4579703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4583f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim ServiceCallbacksCompat(Messenger callbacks) { 4599703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mCallbacks = callbacks; 4609703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4619703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4629703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public IBinder asBinder() { 4633f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim return mCallbacks.getBinder(); 4649703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4659703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4669703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void onConnect(String root, MediaSessionCompat.Token session, Bundle extras) 4679703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim throws RemoteException { 46882cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim if (extras == null) { 46982cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim extras = new Bundle(); 47082cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim } 47182cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim extras.putInt(EXTRA_SERVICE_VERSION, SERVICE_VERSION_CURRENT); 4723f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim Bundle data = new Bundle(); 473094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim data.putString(DATA_MEDIA_ITEM_ID, root); 474094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim data.putParcelable(DATA_MEDIA_SESSION_TOKEN, session); 475094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim data.putBundle(DATA_ROOT_HINTS, extras); 476094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim sendRequest(SERVICE_MSG_ON_CONNECT, data); 4779703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4789703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4799703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void onConnectFailed() throws RemoteException { 480094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim sendRequest(SERVICE_MSG_ON_CONNECT_FAILED, null); 4819703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 4829703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 4839703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void onLoadChildren(String mediaId, List<MediaBrowserCompat.MediaItem> list) 4849703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim throws RemoteException { 485094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim Bundle data = new Bundle(); 486094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim data.putString(DATA_MEDIA_ITEM_ID, mediaId); 487ae6d147640b8a868d2edff8ebac8d2a6bb03c594Sungsoo Lim if (list != null) { 488094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim data.putParcelableArrayList(DATA_MEDIA_ITEM_LIST, 489ae6d147640b8a868d2edff8ebac8d2a6bb03c594Sungsoo Lim list instanceof ArrayList ? (ArrayList) list : new ArrayList<>(list)); 490ae6d147640b8a868d2edff8ebac8d2a6bb03c594Sungsoo Lim } 491094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim sendRequest(SERVICE_MSG_ON_LOAD_CHILDREN, data); 4923f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim } 4933f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim 494094c558a8a4f9be922846da811568d2970064e43Sungsoo Lim private void sendRequest(int what, Bundle data) throws RemoteException { 4953f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim Message msg = Message.obtain(); 4963f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim msg.what = what; 49782cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim msg.arg1 = SERVICE_VERSION_CURRENT; 4983f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim msg.setData(data); 4993f61f1657d13dacf4eb42d9371595b8075cff222Sungsoo Lim mCallbacks.send(msg); 5009703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5019703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5029703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 5039703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim private class ServiceCallbacksApi21 implements ServiceCallbacks { 5049703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim final MediaBrowserServiceCompatApi21.ServiceCallbacks mCallbacks; 50582cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim Messenger mMessenger; 5069703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 5079703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim ServiceCallbacksApi21(MediaBrowserServiceCompatApi21.ServiceCallbacks callbacks) { 5089703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mCallbacks = callbacks; 5099703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5109703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 5119703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public IBinder asBinder() { 5129703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim return mCallbacks.asBinder(); 5139703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5149703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 5159703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void onConnect(String root, MediaSessionCompat.Token session, Bundle extras) 5169703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim throws RemoteException { 51782cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim if (extras == null) { 51882cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim extras = new Bundle(); 51982cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim } 52082cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim mMessenger = new Messenger(mHandler); 52182cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim BundleCompat.putBinder(extras, EXTRA_MESSENGER_BINDER, mMessenger.getBinder()); 52282cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim extras.putInt(EXTRA_SERVICE_VERSION, SERVICE_VERSION_CURRENT); 5239703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mCallbacks.onConnect(root, session.getToken(), extras); 5249703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5259703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 5269703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void onConnectFailed() throws RemoteException { 5279703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mCallbacks.onConnectFailed(); 5289703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5299703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 5309703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim public void onLoadChildren(String mediaId, List<MediaBrowserCompat.MediaItem> list) 5319703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim throws RemoteException { 5329703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim List<Parcel> parcelList = null; 5339703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim if (list != null) { 5349703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim parcelList = new ArrayList<>(); 5359703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim for (MediaBrowserCompat.MediaItem item : list) { 5369703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim Parcel parcel = Parcel.obtain(); 5379703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim item.writeToParcel(parcel, 0); 5389703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim parcelList.add(parcel); 5399703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5409703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5419703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mCallbacks.onLoadChildren(mediaId, parcelList); 5429703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5439703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5449703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim 545e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 546e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void onCreate() { 547e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo super.onCreate(); 54882cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim if (Build.VERSION.SDK_INT >= 23) { 54982cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim mImpl = new MediaBrowserServiceImplApi23(); 55082cf659fd8dcc28e182274b17a401023ab879deaSungsoo Lim } else if (Build.VERSION.SDK_INT >= 21) { 5519703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mImpl = new MediaBrowserServiceImplApi21(); 5529703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } else { 5539703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mImpl = new MediaBrowserServiceImplBase(); 5549703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim } 5559703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim mImpl.onCreate(); 556e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 557e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 558e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 559e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public IBinder onBind(Intent intent) { 5609703a1e215168b6b580430ec490ca616b6490c80Sungsoo Lim return mImpl.onBind(intent); 561e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 562e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 563e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 564e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void dump(FileDescriptor fd, PrintWriter writer, String[] args) { 565e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 566e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 567e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 568e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Called to get the root information for browsing by a particular client. 569e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <p> 570e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * The implementation should verify that the client package has permission 571e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * to access browse media information before returning the root id; it 572e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * should return null if the client is not allowed to access this 573e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * information. 574e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * </p> 575e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 576e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param clientPackageName The package name of the application which is 577e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * requesting access to browse media. 578e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param clientUid The uid of the application which is requesting access to 579e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * browse media. 580e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param rootHints An optional bundle of service-specific arguments to send 581e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * to the media browse service when connecting and retrieving the 582e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * root id for browsing, or null if none. The contents of this 583e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * bundle may affect the information returned when browsing. 584e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @return The {@link BrowserRoot} for accessing this app's content or null. 585e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 586e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public abstract @Nullable BrowserRoot onGetRoot(@NonNull String clientPackageName, 587e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo int clientUid, @Nullable Bundle rootHints); 588e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 589e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 590e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Called to get information about the children of a media item. 591e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <p> 592e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Implementations must call {@link Result#sendResult result.sendResult} 593e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * with the list of children. If loading the children will be an expensive 594e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * operation that should be performed on another thread, 595e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * {@link Result#detach result.detach} may be called before returning from 596e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * this function, and then {@link Result#sendResult result.sendResult} 597e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * called when the loading is complete. 598e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 599e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param parentId The id of the parent media item whose children are to be 600e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * queried. 601e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param result The Result to send the list of children to, or null if the 602e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * id is invalid. 603e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 604e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public abstract void onLoadChildren(@NonNull String parentId, 605096f2531cb790bc1106377d2da344614a3b88d39Jae Seo @NonNull Result<List<MediaBrowserCompat.MediaItem>> result); 606e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 607e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 608e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Called to get information about a specific media item. 609e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <p> 610e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Implementations must call {@link Result#sendResult result.sendResult}. If 611e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * loading the item will be an expensive operation {@link Result#detach 612e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * result.detach} may be called before returning from this function, and 613e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * then {@link Result#sendResult result.sendResult} called when the item has 614e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * been loaded. 615e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <p> 616e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * The default implementation sends a null result. 617e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 618e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param itemId The id for the specific 619096f2531cb790bc1106377d2da344614a3b88d39Jae Seo * {@link MediaBrowserCompat.MediaItem}. 620e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param result The Result to send the item to, or null if the id is 621e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * invalid. 622e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 623096f2531cb790bc1106377d2da344614a3b88d39Jae Seo public void onLoadItem(String itemId, Result<MediaBrowserCompat.MediaItem> result) { 624e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo result.sendResult(null); 625e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 626e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 627e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 628e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Call to set the media session. 629e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <p> 630e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * This should be called as soon as possible during the service's startup. 631e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * It may only be called once. 632e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 633096f2531cb790bc1106377d2da344614a3b88d39Jae Seo * @param token The token for the service's {@link MediaSessionCompat}. 634e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 635e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void setSessionToken(final MediaSessionCompat.Token token) { 636e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (token == null) { 637e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalArgumentException("Session token may not be null."); 638e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 639e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (mSession != null) { 640e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalStateException("The session token has already been set."); 641e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 642e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mSession = token; 643e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mHandler.post(new Runnable() { 644e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 645e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void run() { 646e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo for (IBinder key : mConnections.keySet()) { 647e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo ConnectionRecord connection = mConnections.get(key); 648e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo try { 649e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo connection.callbacks.onConnect(connection.root.getRootId(), token, 650e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo connection.root.getExtras()); 651e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } catch (RemoteException e) { 652e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo Log.w(TAG, "Connection for " + connection.pkg + " is no longer valid."); 653e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mConnections.remove(key); 654e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 655e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 656e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 657e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo }); 658e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 659e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 660e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 661e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Gets the session token, or null if it has not yet been created 662e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * or if it has been destroyed. 663e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 664e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public @Nullable MediaSessionCompat.Token getSessionToken() { 665e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return mSession; 666e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 667e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 668e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 669e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Notifies all connected media browsers that the children of 670e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * the specified parent id have changed in some way. 671e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * This will cause browsers to fetch subscribed content again. 672e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * 673e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param parentId The id of the parent media item whose 674e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * children changed. 675e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 676e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void notifyChildrenChanged(@NonNull final String parentId) { 677e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (parentId == null) { 678e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalArgumentException("parentId cannot be null in notifyChildrenChanged"); 679e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 680e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mHandler.post(new Runnable() { 681e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 682e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public void run() { 683e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo for (IBinder binder : mConnections.keySet()) { 684e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo ConnectionRecord connection = mConnections.get(binder); 685e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (connection.subscriptions.contains(parentId)) { 686e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo performLoadChildren(parentId, connection); 687e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 688e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 689e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 690e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo }); 691e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 692e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 693e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 694e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Return whether the given package is one of the ones that is owned by the uid. 695e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 696e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private boolean isValidPackage(String pkg, int uid) { 697e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (pkg == null) { 698e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return false; 699e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 700e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo final PackageManager pm = getPackageManager(); 701e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo final String[] packages = pm.getPackagesForUid(uid); 702e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo final int N = packages.length; 703e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo for (int i=0; i<N; i++) { 704e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (packages[i].equals(pkg)) { 705e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return true; 706e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 707e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 708e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return false; 709e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 710e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 711e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 712e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Save the subscription and if it is a new subscription send the results. 713e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 714e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private void addSubscription(String id, ConnectionRecord connection) { 715e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo // Save the subscription 716e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo connection.subscriptions.add(id); 717e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 718e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo // send the results 719e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo performLoadChildren(id, connection); 720e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 721e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 722e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 723e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Call onLoadChildren and then send the results back to the connection. 724e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * <p> 725e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Callers must make sure that this connection is still connected. 726e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 727e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private void performLoadChildren(final String parentId, final ConnectionRecord connection) { 728096f2531cb790bc1106377d2da344614a3b88d39Jae Seo final Result<List<MediaBrowserCompat.MediaItem>> result 729096f2531cb790bc1106377d2da344614a3b88d39Jae Seo = new Result<List<MediaBrowserCompat.MediaItem>>(parentId) { 730e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 731096f2531cb790bc1106377d2da344614a3b88d39Jae Seo void onResultSent(List<MediaBrowserCompat.MediaItem> list) { 732e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (mConnections.get(connection.callbacks.asBinder()) != connection) { 733e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (DBG) { 734e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo Log.d(TAG, "Not sending onLoadChildren result for connection that has" 735e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + " been disconnected. pkg=" + connection.pkg + " id=" + parentId); 736e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 737e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return; 738e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 739e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 740e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo try { 741e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo connection.callbacks.onLoadChildren(parentId, list); 742e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } catch (RemoteException ex) { 743e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo // The other side is in the process of crashing. 744e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo Log.w(TAG, "Calling onLoadChildren() failed for id=" + parentId 745e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + " package=" + connection.pkg); 746e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 747e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 748e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo }; 749e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 750e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo onLoadChildren(parentId, result); 751e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 752e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (!result.isDone()) { 753e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalStateException("onLoadChildren must call detach() or sendResult()" 754e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + " before returning for package=" + connection.pkg + " id=" + parentId); 755e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 756e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 757e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 758e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo private void performLoadItem(String itemId, final ResultReceiver receiver) { 759096f2531cb790bc1106377d2da344614a3b88d39Jae Seo final Result<MediaBrowserCompat.MediaItem> result = 760096f2531cb790bc1106377d2da344614a3b88d39Jae Seo new Result<MediaBrowserCompat.MediaItem>(itemId) { 761e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo @Override 762096f2531cb790bc1106377d2da344614a3b88d39Jae Seo void onResultSent(MediaBrowserCompat.MediaItem item) { 763e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo Bundle bundle = new Bundle(); 764e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo bundle.putParcelable(KEY_MEDIA_ITEM, item); 765e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo receiver.send(0, bundle); 766e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 767e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo }; 768e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 769096f2531cb790bc1106377d2da344614a3b88d39Jae Seo MediaBrowserServiceCompat.this.onLoadItem(itemId, result); 770e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 771e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (!result.isDone()) { 772e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalStateException("onLoadItem must call detach() or sendResult()" 773e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo + " before returning for id=" + itemId); 774e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 775e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 776e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 777e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 778e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Contains information that the browser service needs to send to the client 779e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * when first connected. 780e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 781e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public static final class BrowserRoot { 782e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo final private String mRootId; 783e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo final private Bundle mExtras; 784e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 785e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 786e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Constructs a browser root. 787e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param rootId The root id for browsing. 788e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * @param extras Any extras about the browser service. 789e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 790e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public BrowserRoot(@NonNull String rootId, @Nullable Bundle extras) { 791e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo if (rootId == null) { 792e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo throw new IllegalArgumentException("The root id in BrowserRoot cannot be null. " + 793e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo "Use null for BrowserRoot instead."); 794e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 795e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mRootId = rootId; 796e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo mExtras = extras; 797e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 798e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 799e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 800e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo * Gets the root id for browsing. 801e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 802e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public String getRootId() { 803e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return mRootId; 804e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 805e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo 806e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo /** 80723471681e408dfe4e44975e13e7575ab5a04bc8cJae Seo * Gets any extras about the browser service. 808e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo */ 809e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo public Bundle getExtras() { 810e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo return mExtras; 811e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 812e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo } 813e2dc54fb995a75eab424aafe4960799ed5512f4dJae Seo} 814