9fa9b10a98
This allows vendor/OEMs to dynamically change whether sessions should be used as buttons sessions or not. Bug: 147027868 Test: Manually Change-Id: I9db0d298d5caca0b61b41d94455e8f8f1b1ea685
1275 lines
50 KiB
Java
1275 lines
50 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.media.session;
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import android.annotation.CallbackExecutor;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.RequiresPermission;
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import android.annotation.SystemApi;
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import android.annotation.SystemService;
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import android.compat.annotation.UnsupportedAppUsage;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.pm.ParceledListSlice;
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import android.media.AudioManager;
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import android.media.IRemoteVolumeController;
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import android.media.MediaSession2;
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import android.media.Session2Token;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.os.ResultReceiver;
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import android.os.ServiceManager;
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import android.os.UserHandle;
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import android.service.media.MediaBrowserService;
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import android.service.notification.NotificationListenerService;
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import android.text.TextUtils;
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import android.util.ArrayMap;
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import android.util.Log;
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import android.view.KeyEvent;
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import com.android.internal.annotations.GuardedBy;
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import com.android.internal.annotations.VisibleForTesting;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.concurrent.Executor;
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/**
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* Provides support for interacting with {@link MediaSession media sessions}
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* that applications have published to express their ongoing media playback
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* state.
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*
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* @see MediaSession
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* @see MediaController
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*/
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// TODO: (jinpark) Add API for getting and setting session policies from MediaSessionService once
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// b/149006225 is fixed.
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@SystemService(Context.MEDIA_SESSION_SERVICE)
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public final class MediaSessionManager {
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private static final String TAG = "SessionManager";
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/**
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* Used by IOnMediaKeyListener to indicate that the media key event isn't handled.
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* @hide
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*/
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public static final int RESULT_MEDIA_KEY_NOT_HANDLED = 0;
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/**
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* Used by IOnMediaKeyListener to indicate that the media key event is handled.
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* @hide
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*/
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public static final int RESULT_MEDIA_KEY_HANDLED = 1;
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private final ISessionManager mService;
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private final OnMediaKeyEventDispatchedListenerStub mOnMediaKeyEventDispatchedListenerStub =
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new OnMediaKeyEventDispatchedListenerStub();
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private final OnMediaKeyEventSessionChangedListenerStub
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mOnMediaKeyEventSessionChangedListenerStub =
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new OnMediaKeyEventSessionChangedListenerStub();
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private final Object mLock = new Object();
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@GuardedBy("mLock")
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private final ArrayMap<OnActiveSessionsChangedListener, SessionsChangedWrapper> mListeners =
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new ArrayMap<OnActiveSessionsChangedListener, SessionsChangedWrapper>();
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@GuardedBy("mLock")
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private final ArrayMap<OnSession2TokensChangedListener, Session2TokensChangedWrapper>
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mSession2TokensListeners = new ArrayMap<>();
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@GuardedBy("mLock")
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private final Map<OnMediaKeyEventDispatchedListener, Executor>
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mOnMediaKeyEventDispatchedListeners = new HashMap<>();
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@GuardedBy("mLock")
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private final Map<OnMediaKeyEventSessionChangedListener, Executor>
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mMediaKeyEventSessionChangedCallbacks = new HashMap<>();
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@GuardedBy("mLock")
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private String mCurMediaKeyEventSessionPackage;
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@GuardedBy("mLock")
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private MediaSession.Token mCurMediaKeyEventSession;
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private Context mContext;
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private OnVolumeKeyLongPressListenerImpl mOnVolumeKeyLongPressListener;
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private OnMediaKeyListenerImpl mOnMediaKeyListener;
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/**
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* @hide
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*/
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public MediaSessionManager(Context context) {
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// Consider rewriting like DisplayManagerGlobal
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// Decide if we need context
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mContext = context;
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IBinder b = ServiceManager.getService(Context.MEDIA_SESSION_SERVICE);
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mService = ISessionManager.Stub.asInterface(b);
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}
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/**
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* Create a new session in the system and get the binder for it.
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*
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* @param tag A short name for debugging purposes.
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* @param sessionInfo A bundle for additional information about this session.
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* @return The binder object from the system
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* @hide
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*/
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@NonNull
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public ISession createSession(@NonNull MediaSession.CallbackStub cbStub, @NonNull String tag,
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@Nullable Bundle sessionInfo) {
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try {
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return mService.createSession(mContext.getPackageName(), cbStub, tag, sessionInfo,
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UserHandle.myUserId());
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} catch (RemoteException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* This API is not generally intended for third party application developers.
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* Use the <a href="{@docRoot}jetpack/androidx.html">AndroidX</a>
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* <a href="{@docRoot}reference/androidx/media2/session/package-summary.html">Media2 session
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* Library</a> for consistent behavior across all devices.
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* <p>
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* Notifies that a new {@link MediaSession2} with type {@link Session2Token#TYPE_SESSION} is
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* created.
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* <p>
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* Do not use this API directly, but create a new instance through the
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* {@link MediaSession2.Builder} instead.
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*
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* @param token newly created session2 token
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*/
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public void notifySession2Created(@NonNull Session2Token token) {
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if (token == null) {
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throw new IllegalArgumentException("token shouldn't be null");
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}
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if (token.getType() != Session2Token.TYPE_SESSION) {
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throw new IllegalArgumentException("token's type should be TYPE_SESSION");
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}
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try {
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mService.notifySession2Created(token);
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} catch (RemoteException e) {
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e.rethrowFromSystemServer();
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}
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}
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/**
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* Get a list of controllers for all ongoing sessions. The controllers will
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* be provided in priority order with the most important controller at index
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* 0.
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* <p>
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* This requires the android.Manifest.permission.MEDIA_CONTENT_CONTROL
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* permission be held by the calling app. You may also retrieve this list if
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* your app is an enabled notification listener using the
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* {@link NotificationListenerService} APIs, in which case you must pass the
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* {@link ComponentName} of your enabled listener.
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*
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* @param notificationListener The enabled notification listener component.
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* May be null.
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* @return A list of controllers for ongoing sessions.
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*/
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public @NonNull List<MediaController> getActiveSessions(
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@Nullable ComponentName notificationListener) {
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return getActiveSessionsForUser(notificationListener, UserHandle.myUserId());
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}
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/**
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* Get active sessions for a specific user. To retrieve actions for a user
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* other than your own you must hold the
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* {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} permission
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* in addition to any other requirements. If you are an enabled notification
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* listener you may only get sessions for the users you are enabled for.
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*
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* @param notificationListener The enabled notification listener component.
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* May be null.
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* @param userId The user id to fetch sessions for.
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* @return A list of controllers for ongoing sessions.
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* @hide
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*/
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@UnsupportedAppUsage
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public @NonNull List<MediaController> getActiveSessionsForUser(
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@Nullable ComponentName notificationListener, int userId) {
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ArrayList<MediaController> controllers = new ArrayList<MediaController>();
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try {
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List<MediaSession.Token> tokens = mService.getSessions(notificationListener, userId);
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int size = tokens.size();
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for (int i = 0; i < size; i++) {
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MediaController controller = new MediaController(mContext, tokens.get(i));
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controllers.add(controller);
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}
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} catch (RemoteException e) {
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Log.e(TAG, "Failed to get active sessions: ", e);
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}
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return controllers;
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}
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/**
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* This API is not generally intended for third party application developers.
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* Use the <a href="{@docRoot}jetpack/androidx.html">AndroidX</a>
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* <a href="{@docRoot}reference/androidx/media2/session/package-summary.html">Media2 session
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* Library</a> for consistent behavior across all devices.
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* <p>
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* Gets a list of {@link Session2Token} with type {@link Session2Token#TYPE_SESSION} for the
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* current user.
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* <p>
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* Although this API can be used without any restriction, each session owners can accept or
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* reject your uses of {@link MediaSession2}.
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*
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* @return A list of {@link Session2Token}.
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*/
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@NonNull
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public List<Session2Token> getSession2Tokens() {
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return getSession2Tokens(UserHandle.myUserId());
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}
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/**
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* Gets a list of {@link Session2Token} with type {@link Session2Token#TYPE_SESSION} for the
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* given user.
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* <p>
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* If you want to get tokens for another user, you must hold the
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* android.Manifest.permission#INTERACT_ACROSS_USERS_FULL permission.
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*
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* @param userId The user id to fetch sessions for.
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* @return A list of {@link Session2Token}
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* @hide
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*/
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@NonNull
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public List<Session2Token> getSession2Tokens(int userId) {
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try {
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ParceledListSlice slice = mService.getSession2Tokens(userId);
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return slice == null ? new ArrayList<>() : slice.getList();
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} catch (RemoteException e) {
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Log.e(TAG, "Failed to get session tokens", e);
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}
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return new ArrayList<>();
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}
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/**
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* Add a listener to be notified when the list of active sessions
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* changes.This requires the
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* android.Manifest.permission.MEDIA_CONTENT_CONTROL permission be held by
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* the calling app. You may also retrieve this list if your app is an
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* enabled notification listener using the
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* {@link NotificationListenerService} APIs, in which case you must pass the
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* {@link ComponentName} of your enabled listener. Updates will be posted to
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* the thread that registered the listener.
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*
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* @param sessionListener The listener to add.
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* @param notificationListener The enabled notification listener component.
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* May be null.
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*/
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public void addOnActiveSessionsChangedListener(
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@NonNull OnActiveSessionsChangedListener sessionListener,
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@Nullable ComponentName notificationListener) {
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addOnActiveSessionsChangedListener(sessionListener, notificationListener, null);
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}
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/**
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* Add a listener to be notified when the list of active sessions
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* changes.This requires the
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* android.Manifest.permission.MEDIA_CONTENT_CONTROL permission be held by
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* the calling app. You may also retrieve this list if your app is an
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* enabled notification listener using the
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* {@link NotificationListenerService} APIs, in which case you must pass the
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* {@link ComponentName} of your enabled listener. Updates will be posted to
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* the handler specified or to the caller's thread if the handler is null.
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*
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* @param sessionListener The listener to add.
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* @param notificationListener The enabled notification listener component.
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* May be null.
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* @param handler The handler to post events to.
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*/
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public void addOnActiveSessionsChangedListener(
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@NonNull OnActiveSessionsChangedListener sessionListener,
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@Nullable ComponentName notificationListener, @Nullable Handler handler) {
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addOnActiveSessionsChangedListener(sessionListener, notificationListener,
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UserHandle.myUserId(), handler);
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}
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/**
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* Add a listener to be notified when the list of active sessions
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* changes.This requires the
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* android.Manifest.permission.MEDIA_CONTENT_CONTROL permission be held by
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* the calling app. You may also retrieve this list if your app is an
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* enabled notification listener using the
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* {@link NotificationListenerService} APIs, in which case you must pass the
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* {@link ComponentName} of your enabled listener.
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*
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* @param sessionListener The listener to add.
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* @param notificationListener The enabled notification listener component.
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* May be null.
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* @param userId The userId to listen for changes on.
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* @param handler The handler to post updates on.
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* @hide
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*/
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public void addOnActiveSessionsChangedListener(
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@NonNull OnActiveSessionsChangedListener sessionListener,
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@Nullable ComponentName notificationListener, int userId, @Nullable Handler handler) {
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if (sessionListener == null) {
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throw new IllegalArgumentException("listener may not be null");
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}
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if (handler == null) {
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handler = new Handler();
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}
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synchronized (mLock) {
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if (mListeners.get(sessionListener) != null) {
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Log.w(TAG, "Attempted to add session listener twice, ignoring.");
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return;
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}
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SessionsChangedWrapper wrapper = new SessionsChangedWrapper(mContext, sessionListener,
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handler);
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try {
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mService.addSessionsListener(wrapper.mStub, notificationListener, userId);
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mListeners.put(sessionListener, wrapper);
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} catch (RemoteException e) {
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Log.e(TAG, "Error in addOnActiveSessionsChangedListener.", e);
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}
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}
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}
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/**
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* Stop receiving active sessions updates on the specified listener.
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*
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* @param listener The listener to remove.
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*/
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public void removeOnActiveSessionsChangedListener(
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@NonNull OnActiveSessionsChangedListener listener) {
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if (listener == null) {
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throw new IllegalArgumentException("listener may not be null");
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}
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synchronized (mLock) {
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SessionsChangedWrapper wrapper = mListeners.remove(listener);
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if (wrapper != null) {
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try {
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mService.removeSessionsListener(wrapper.mStub);
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} catch (RemoteException e) {
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Log.e(TAG, "Error in removeOnActiveSessionsChangedListener.", e);
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} finally {
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wrapper.release();
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}
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}
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}
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}
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/**
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* This API is not generally intended for third party application developers.
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* Use the <a href="{@docRoot}jetpack/androidx.html">AndroidX</a>
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* <a href="{@docRoot}reference/androidx/media2/session/package-summary.html">Media2 session
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* Library</a> for consistent behavior across all devices.
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* <p>
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* Adds a listener to be notified when the {@link #getSession2Tokens()} changes.
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*
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* @param listener The listener to add
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*/
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public void addOnSession2TokensChangedListener(
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@NonNull OnSession2TokensChangedListener listener) {
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addOnSession2TokensChangedListener(UserHandle.myUserId(), listener, new Handler());
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}
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/**
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* This API is not generally intended for third party application developers.
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* Use the <a href="{@docRoot}jetpack/androidx.html">AndroidX</a>
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* <a href="{@docRoot}reference/androidx/media2/session/package-summary.html">Media2 session
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* Library</a> for consistent behavior across all devices.
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* <p>
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* Adds a listener to be notified when the {@link #getSession2Tokens()} changes.
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*
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* @param listener The listener to add
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* @param handler The handler to call listener on.
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*/
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public void addOnSession2TokensChangedListener(
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@NonNull OnSession2TokensChangedListener listener, @NonNull Handler handler) {
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addOnSession2TokensChangedListener(UserHandle.myUserId(), listener, handler);
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}
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/**
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* This API is not generally intended for third party application developers.
|
|
* Use the <a href="{@docRoot}jetpack/androidx.html">AndroidX</a>
|
|
* <a href="{@docRoot}reference/androidx/media2/session/package-summary.html">Media2 session
|
|
* Library</a> for consistent behavior across all devices.
|
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* <p>
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* Adds a listener to be notified when the {@link #getSession2Tokens()} changes.
|
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*
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* @param userId The userId to listen for changes on
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* @param listener The listener to add
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* @param handler The handler to call listener on. If {@code null}, calling thread's looper will
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* be used.
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* @hide
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*/
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public void addOnSession2TokensChangedListener(int userId,
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@NonNull OnSession2TokensChangedListener listener, @Nullable Handler handler) {
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if (listener == null) {
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throw new IllegalArgumentException("listener shouldn't be null");
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}
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synchronized (mLock) {
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if (mSession2TokensListeners.get(listener) != null) {
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Log.w(TAG, "Attempted to add session listener twice, ignoring.");
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return;
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}
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Session2TokensChangedWrapper wrapper =
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new Session2TokensChangedWrapper(listener, handler);
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try {
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mService.addSession2TokensListener(wrapper.getStub(), userId);
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mSession2TokensListeners.put(listener, wrapper);
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} catch (RemoteException e) {
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Log.e(TAG, "Error in addSessionTokensListener.", e);
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e.rethrowFromSystemServer();
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}
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}
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}
|
|
|
|
/**
|
|
* This API is not generally intended for third party application developers.
|
|
* Use the <a href="{@docRoot}jetpack/androidx.html">AndroidX</a>
|
|
* <a href="{@docRoot}reference/androidx/media2/session/package-summary.html">Media2 session
|
|
* Library</a> for consistent behavior across all devices.
|
|
* <p>
|
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* Removes the {@link OnSession2TokensChangedListener} to stop receiving session token updates.
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*
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* @param listener The listener to remove.
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*/
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public void removeOnSession2TokensChangedListener(
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@NonNull OnSession2TokensChangedListener listener) {
|
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if (listener == null) {
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throw new IllegalArgumentException("listener may not be null");
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}
|
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final Session2TokensChangedWrapper wrapper;
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synchronized (mLock) {
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wrapper = mSession2TokensListeners.remove(listener);
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}
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if (wrapper != null) {
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try {
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mService.removeSession2TokensListener(wrapper.getStub());
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} catch (RemoteException e) {
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Log.e(TAG, "Error in removeSessionTokensListener.", e);
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e.rethrowFromSystemServer();
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}
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}
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}
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|
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/**
|
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* Set the remote volume controller to receive volume updates on.
|
|
* Only for use by System UI and Settings application.
|
|
*
|
|
* @param rvc The volume controller to receive updates on.
|
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* @hide
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*/
|
|
public void registerRemoteVolumeController(IRemoteVolumeController rvc) {
|
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try {
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mService.registerRemoteVolumeController(rvc);
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|
} catch (RemoteException e) {
|
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Log.e(TAG, "Error in registerRemoteVolumeController.", e);
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}
|
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}
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|
|
/**
|
|
* Unregisters the remote volume controller which was previously registered with
|
|
* {@link #registerRemoteVolumeController(IRemoteVolumeController)}.
|
|
* Only for use by System UI and Settings application.
|
|
*
|
|
* @param rvc The volume controller which was registered.
|
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* @hide
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|
*/
|
|
public void unregisterRemoteVolumeController(IRemoteVolumeController rvc) {
|
|
try {
|
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mService.unregisterRemoteVolumeController(rvc);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Error in unregisterRemoteVolumeController.", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a media key event. The receiver will be selected automatically.
|
|
*
|
|
* @param keyEvent The KeyEvent to send.
|
|
* @hide
|
|
*/
|
|
public void dispatchMediaKeyEvent(@NonNull KeyEvent keyEvent) {
|
|
dispatchMediaKeyEvent(keyEvent, false);
|
|
}
|
|
|
|
/**
|
|
* Send a media key event. The receiver will be selected automatically.
|
|
*
|
|
* @param keyEvent The KeyEvent to send.
|
|
* @param needWakeLock True if a wake lock should be held while sending the key.
|
|
* @hide
|
|
*/
|
|
public void dispatchMediaKeyEvent(@NonNull KeyEvent keyEvent, boolean needWakeLock) {
|
|
dispatchMediaKeyEventInternal(false, keyEvent, needWakeLock);
|
|
}
|
|
|
|
/**
|
|
* Send a media key event as system component. The receiver will be selected automatically.
|
|
* <p>
|
|
* Should be only called by the {@link com.android.internal.policy.PhoneWindow} or
|
|
* {@link android.view.FallbackEventHandler} when the foreground activity didn't consume the key
|
|
* from the hardware devices.
|
|
*
|
|
* @param keyEvent The KeyEvent to send.
|
|
* @hide
|
|
*/
|
|
public void dispatchMediaKeyEventAsSystemService(KeyEvent keyEvent) {
|
|
dispatchMediaKeyEventInternal(true, keyEvent, false);
|
|
}
|
|
|
|
private void dispatchMediaKeyEventInternal(boolean asSystemService, @NonNull KeyEvent keyEvent,
|
|
boolean needWakeLock) {
|
|
try {
|
|
mService.dispatchMediaKeyEvent(mContext.getPackageName(), asSystemService, keyEvent,
|
|
needWakeLock);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to send key event.", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Dispatches the media button event as system service to the session.
|
|
* <p>
|
|
* Should be only called by the {@link com.android.internal.policy.PhoneWindow} when the
|
|
* foreground activity didn't consume the key from the hardware devices.
|
|
*
|
|
* @param sessionToken session token
|
|
* @param keyEvent media key event
|
|
* @return {@code true} if the event was sent to the session, {@code false} otherwise
|
|
* @hide
|
|
*/
|
|
public boolean dispatchMediaKeyEventAsSystemService(@NonNull MediaSession.Token sessionToken,
|
|
@NonNull KeyEvent keyEvent) {
|
|
if (sessionToken == null) {
|
|
throw new IllegalArgumentException("sessionToken shouldn't be null");
|
|
}
|
|
if (keyEvent == null) {
|
|
throw new IllegalArgumentException("keyEvent shouldn't be null");
|
|
}
|
|
if (!KeyEvent.isMediaSessionKey(keyEvent.getKeyCode())) {
|
|
return false;
|
|
}
|
|
try {
|
|
return mService.dispatchMediaKeyEventToSessionAsSystemService(mContext.getPackageName(),
|
|
sessionToken, keyEvent);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to send key event.", e);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Send a volume key event. The receiver will be selected automatically.
|
|
*
|
|
* @param keyEvent The volume KeyEvent to send.
|
|
* @hide
|
|
*/
|
|
public void dispatchVolumeKeyEvent(@NonNull KeyEvent keyEvent, int stream, boolean musicOnly) {
|
|
dispatchVolumeKeyEventInternal(false, keyEvent, stream, musicOnly);
|
|
}
|
|
|
|
/**
|
|
* Dispatches the volume button event as system service to the session. This only effects the
|
|
* {@link MediaSession.Callback#getCurrentControllerInfo()} and doesn't bypass any permission
|
|
* check done by the system service.
|
|
* <p>
|
|
* Should be only called by the {@link com.android.internal.policy.PhoneWindow} or
|
|
* {@link android.view.FallbackEventHandler} when the foreground activity didn't consume the key
|
|
* from the hardware devices.
|
|
*
|
|
* @param keyEvent The KeyEvent to send.
|
|
* @hide
|
|
*/
|
|
public void dispatchVolumeKeyEventAsSystemService(@NonNull KeyEvent keyEvent, int streamType) {
|
|
dispatchVolumeKeyEventInternal(true, keyEvent, streamType, false);
|
|
}
|
|
|
|
private void dispatchVolumeKeyEventInternal(boolean asSystemService, @NonNull KeyEvent keyEvent,
|
|
int stream, boolean musicOnly) {
|
|
try {
|
|
mService.dispatchVolumeKeyEvent(mContext.getPackageName(), mContext.getOpPackageName(),
|
|
asSystemService, keyEvent, stream, musicOnly);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to send volume key event.", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Dispatches the volume key event as system service to the session.
|
|
* <p>
|
|
* Should be only called by the {@link com.android.internal.policy.PhoneWindow} when the
|
|
* foreground activity didn't consume the key from the hardware devices.
|
|
*
|
|
* @param sessionToken sessionToken
|
|
* @param keyEvent volume key event
|
|
* @hide
|
|
*/
|
|
public void dispatchVolumeKeyEventAsSystemService(@NonNull MediaSession.Token sessionToken,
|
|
@NonNull KeyEvent keyEvent) {
|
|
if (sessionToken == null) {
|
|
throw new IllegalArgumentException("sessionToken shouldn't be null");
|
|
}
|
|
if (keyEvent == null) {
|
|
throw new IllegalArgumentException("keyEvent shouldn't be null");
|
|
}
|
|
try {
|
|
mService.dispatchVolumeKeyEventToSessionAsSystemService(mContext.getPackageName(),
|
|
mContext.getOpPackageName(), sessionToken, keyEvent);
|
|
} catch (RemoteException e) {
|
|
Log.wtf(TAG, "Error calling dispatchVolumeKeyEventAsSystemService", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Dispatch an adjust volume request to the system. It will be sent to the
|
|
* most relevant audio stream or media session. The direction must be one of
|
|
* {@link AudioManager#ADJUST_LOWER}, {@link AudioManager#ADJUST_RAISE},
|
|
* {@link AudioManager#ADJUST_SAME}.
|
|
*
|
|
* @param suggestedStream The stream to fall back to if there isn't a
|
|
* relevant stream
|
|
* @param direction The direction to adjust volume in.
|
|
* @param flags Any flags to include with the volume change.
|
|
* @hide
|
|
*/
|
|
public void dispatchAdjustVolume(int suggestedStream, int direction, int flags) {
|
|
try {
|
|
mService.dispatchAdjustVolume(mContext.getPackageName(), mContext.getOpPackageName(),
|
|
suggestedStream, direction, flags);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to send adjust volume.", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks whether the remote user is a trusted app.
|
|
* <p>
|
|
* An app is trusted if the app holds the android.Manifest.permission.MEDIA_CONTENT_CONTROL
|
|
* permission or has an enabled notification listener.
|
|
*
|
|
* @param userInfo The remote user info from either
|
|
* {@link MediaSession#getCurrentControllerInfo()} or
|
|
* {@link MediaBrowserService#getCurrentBrowserInfo()}.
|
|
* @return {@code true} if the remote user is trusted and its package name matches with the UID.
|
|
* {@code false} otherwise.
|
|
*/
|
|
public boolean isTrustedForMediaControl(@NonNull RemoteUserInfo userInfo) {
|
|
if (userInfo == null) {
|
|
throw new IllegalArgumentException("userInfo may not be null");
|
|
}
|
|
if (userInfo.getPackageName() == null) {
|
|
return false;
|
|
}
|
|
try {
|
|
return mService.isTrusted(
|
|
userInfo.getPackageName(), userInfo.getPid(), userInfo.getUid());
|
|
} catch (RemoteException e) {
|
|
Log.wtf(TAG, "Cannot communicate with the service.", e);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check if the global priority session is currently active. This can be
|
|
* used to decide if media keys should be sent to the session or to the app.
|
|
*
|
|
* @hide
|
|
*/
|
|
public boolean isGlobalPriorityActive() {
|
|
try {
|
|
return mService.isGlobalPriorityActive();
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to check if the global priority is active.", e);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set the volume key long-press listener. While the listener is set, the listener
|
|
* gets the volume key long-presses instead of changing volume.
|
|
*
|
|
* <p>System can only have a single volume key long-press listener.
|
|
*
|
|
* @param listener The volume key long-press listener. {@code null} to reset.
|
|
* @param handler The handler on which the listener should be invoked, or {@code null}
|
|
* if the listener should be invoked on the calling thread's looper.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
@RequiresPermission(android.Manifest.permission.SET_VOLUME_KEY_LONG_PRESS_LISTENER)
|
|
public void setOnVolumeKeyLongPressListener(
|
|
OnVolumeKeyLongPressListener listener, @Nullable Handler handler) {
|
|
synchronized (mLock) {
|
|
try {
|
|
if (listener == null) {
|
|
mOnVolumeKeyLongPressListener = null;
|
|
mService.setOnVolumeKeyLongPressListener(null);
|
|
} else {
|
|
if (handler == null) {
|
|
handler = new Handler();
|
|
}
|
|
mOnVolumeKeyLongPressListener =
|
|
new OnVolumeKeyLongPressListenerImpl(listener, handler);
|
|
mService.setOnVolumeKeyLongPressListener(mOnVolumeKeyLongPressListener);
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set volume key long press listener", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the media key listener. While the listener is set, the listener
|
|
* gets the media key before any other media sessions but after the global priority session.
|
|
* If the listener handles the key (i.e. returns {@code true}),
|
|
* other sessions will not get the event.
|
|
*
|
|
* <p>System can only have a single media key listener.
|
|
*
|
|
* @param listener The media key listener. {@code null} to reset.
|
|
* @param handler The handler on which the listener should be invoked, or {@code null}
|
|
* if the listener should be invoked on the calling thread's looper.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
@RequiresPermission(android.Manifest.permission.SET_MEDIA_KEY_LISTENER)
|
|
public void setOnMediaKeyListener(OnMediaKeyListener listener, @Nullable Handler handler) {
|
|
synchronized (mLock) {
|
|
try {
|
|
if (listener == null) {
|
|
mOnMediaKeyListener = null;
|
|
mService.setOnMediaKeyListener(null);
|
|
} else {
|
|
if (handler == null) {
|
|
handler = new Handler();
|
|
}
|
|
mOnMediaKeyListener = new OnMediaKeyListenerImpl(listener, handler);
|
|
mService.setOnMediaKeyListener(mOnMediaKeyListener);
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set media key listener", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add a {@link OnMediaKeyEventDispatchedListener}.
|
|
*
|
|
* @param executor The executor on which the callback should be invoked
|
|
* @param listener A {@link OnMediaKeyEventDispatchedListener}.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
@RequiresPermission(value = android.Manifest.permission.MEDIA_CONTENT_CONTROL)
|
|
public void addOnMediaKeyEventDispatchedListener(
|
|
@NonNull @CallbackExecutor Executor executor,
|
|
@NonNull OnMediaKeyEventDispatchedListener listener) {
|
|
if (executor == null) {
|
|
throw new NullPointerException("executor shouldn't be null");
|
|
}
|
|
if (listener == null) {
|
|
throw new NullPointerException("listener shouldn't be null");
|
|
}
|
|
synchronized (mLock) {
|
|
try {
|
|
mOnMediaKeyEventDispatchedListeners.put(listener, executor);
|
|
if (mOnMediaKeyEventDispatchedListeners.size() == 1) {
|
|
mService.addOnMediaKeyEventDispatchedListener(
|
|
mOnMediaKeyEventDispatchedListenerStub);
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set media key listener", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove a {@link OnMediaKeyEventDispatchedListener}.
|
|
*
|
|
* @param listener A {@link OnMediaKeyEventDispatchedListener}.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
@RequiresPermission(value = android.Manifest.permission.MEDIA_CONTENT_CONTROL)
|
|
public void removeOnMediaKeyEventDispatchedListener(
|
|
@NonNull OnMediaKeyEventDispatchedListener listener) {
|
|
if (listener == null) {
|
|
throw new NullPointerException("listener shouldn't be null");
|
|
}
|
|
synchronized (mLock) {
|
|
try {
|
|
mOnMediaKeyEventDispatchedListeners.remove(listener);
|
|
if (mOnMediaKeyEventDispatchedListeners.size() == 0) {
|
|
mService.removeOnMediaKeyEventDispatchedListener(
|
|
mOnMediaKeyEventDispatchedListenerStub);
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set media key event dispatched listener", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add a {@link OnMediaKeyEventDispatchedListener}.
|
|
*
|
|
* @param executor The executor on which the callback should be invoked
|
|
* @param listener A {@link OnMediaKeyEventSessionChangedListener}.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
@RequiresPermission(value = android.Manifest.permission.MEDIA_CONTENT_CONTROL)
|
|
public void addOnMediaKeyEventSessionChangedListener(
|
|
@NonNull @CallbackExecutor Executor executor,
|
|
@NonNull OnMediaKeyEventSessionChangedListener listener) {
|
|
if (executor == null) {
|
|
throw new NullPointerException("executor shouldn't be null");
|
|
}
|
|
if (listener == null) {
|
|
throw new NullPointerException("listener shouldn't be null");
|
|
}
|
|
synchronized (mLock) {
|
|
try {
|
|
mMediaKeyEventSessionChangedCallbacks.put(listener, executor);
|
|
executor.execute(
|
|
() -> listener.onMediaKeyEventSessionChanged(
|
|
mCurMediaKeyEventSessionPackage, mCurMediaKeyEventSession));
|
|
if (mMediaKeyEventSessionChangedCallbacks.size() == 1) {
|
|
mService.addOnMediaKeyEventSessionChangedListener(
|
|
mOnMediaKeyEventSessionChangedListenerStub);
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set media key listener", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove a {@link OnMediaKeyEventSessionChangedListener}.
|
|
*
|
|
* @param listener A {@link OnMediaKeyEventSessionChangedListener}.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
@RequiresPermission(value = android.Manifest.permission.MEDIA_CONTENT_CONTROL)
|
|
public void removeOnMediaKeyEventSessionChangedListener(
|
|
@NonNull OnMediaKeyEventSessionChangedListener listener) {
|
|
if (listener == null) {
|
|
throw new NullPointerException("listener shouldn't be null");
|
|
}
|
|
synchronized (mLock) {
|
|
try {
|
|
mMediaKeyEventSessionChangedCallbacks.remove(listener);
|
|
if (mMediaKeyEventSessionChangedCallbacks.size() == 0) {
|
|
mService.removeOnMediaKeyEventSessionChangedListener(
|
|
mOnMediaKeyEventSessionChangedListenerStub);
|
|
}
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set media key listener", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the component name for the custom
|
|
* {@link com.android.server.media.MediaKeyDispatcher} class. Set to null to restore to the
|
|
* custom {@link com.android.server.media.MediaKeyDispatcher} class name retrieved from the
|
|
* config value.
|
|
*
|
|
* @hide
|
|
*/
|
|
@VisibleForTesting
|
|
public void setCustomMediaKeyDispatcherForTesting(@Nullable String name) {
|
|
try {
|
|
mService.setCustomMediaKeyDispatcherForTesting(name);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set custom media key dispatcher name", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the component name for the custom
|
|
* {@link com.android.server.media.SessionPolicyProvider} class. Set to null to restore to the
|
|
* custom {@link com.android.server.media.SessionPolicyProvider} class name retrieved from the
|
|
* config value.
|
|
*
|
|
* @hide
|
|
*/
|
|
@VisibleForTesting
|
|
public void setCustomSessionPolicyProviderForTesting(@Nullable String name) {
|
|
try {
|
|
mService.setCustomSessionPolicyProviderForTesting(name);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set custom session policy provider name", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get session policies of the specified {@link MediaSession.Token}.
|
|
*
|
|
* @hide
|
|
*/
|
|
@Nullable
|
|
public int getSessionPolicies(@NonNull MediaSession.Token token) {
|
|
try {
|
|
return mService.getSessionPolicies(token);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to get session policies", e);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Set new session policies to the specified {@link MediaSession.Token}.
|
|
*
|
|
* @hide
|
|
*/
|
|
public void setSessionPolicies(@NonNull MediaSession.Token token, @Nullable int policies) {
|
|
try {
|
|
mService.setSessionPolicies(token, policies);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "Failed to set session policies", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Listens for changes to the list of active sessions. This can be added
|
|
* using {@link #addOnActiveSessionsChangedListener}.
|
|
*/
|
|
public interface OnActiveSessionsChangedListener {
|
|
public void onActiveSessionsChanged(@Nullable List<MediaController> controllers);
|
|
}
|
|
|
|
/**
|
|
* This API is not generally intended for third party application developers.
|
|
* Use the <a href="{@docRoot}jetpack/androidx.html">AndroidX</a>
|
|
* <a href="{@docRoot}reference/androidx/media2/session/package-summary.html">Media2 session
|
|
* Library</a> for consistent behavior across all devices.
|
|
* <p>
|
|
* Listens for changes to the {@link #getSession2Tokens()}. This can be added
|
|
* using {@link #addOnSession2TokensChangedListener(OnSession2TokensChangedListener, Handler)}.
|
|
*/
|
|
public interface OnSession2TokensChangedListener {
|
|
/**
|
|
* Called when the {@link #getSession2Tokens()} is changed.
|
|
*
|
|
* @param tokens list of {@link Session2Token}
|
|
*/
|
|
void onSession2TokensChanged(@NonNull List<Session2Token> tokens);
|
|
}
|
|
|
|
/**
|
|
* Listens the volume key long-presses.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
public interface OnVolumeKeyLongPressListener {
|
|
/**
|
|
* Called when the volume key is long-pressed.
|
|
* <p>This will be called for both down and up events.
|
|
*/
|
|
void onVolumeKeyLongPress(KeyEvent event);
|
|
}
|
|
|
|
/**
|
|
* Listens the media key.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
public interface OnMediaKeyListener {
|
|
/**
|
|
* Called when the media key is pressed.
|
|
* <p>If the listener consumes the initial down event (i.e. ACTION_DOWN with
|
|
* repeat count zero), it must also comsume all following key events.
|
|
* (i.e. ACTION_DOWN with repeat count more than zero, and ACTION_UP).
|
|
* <p>If it takes more than 1s to return, the key event will be sent to
|
|
* other media sessions.
|
|
*/
|
|
boolean onMediaKey(KeyEvent event);
|
|
}
|
|
|
|
/**
|
|
* Listener to be called when the media session service dispatches a media key event.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
public interface OnMediaKeyEventDispatchedListener {
|
|
/**
|
|
* Called when a media key event is dispatched through the media session service. The
|
|
* session token can be {@link null} if the framework has sent the media key event to the
|
|
* media button receiver to revive the media app's playback after the corresponding session
|
|
* is released.
|
|
*
|
|
* @param event Dispatched media key event.
|
|
* @param packageName The package name
|
|
* @param sessionToken The media session's token. Can be {@code null}.
|
|
*/
|
|
void onMediaKeyEventDispatched(@NonNull KeyEvent event, @NonNull String packageName,
|
|
@Nullable MediaSession.Token sessionToken);
|
|
}
|
|
|
|
/**
|
|
* Listener to receive changes in the media key event session, which would receive a media key
|
|
* event unless specified.
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
public interface OnMediaKeyEventSessionChangedListener {
|
|
/**
|
|
* Called when the media key session is changed to the given media session. The key event
|
|
* session is the media session which would receive key event by default, unless the caller
|
|
* has specified the target.
|
|
* <p>
|
|
* The session token can be {@link null} if the media button session is unset. In that case,
|
|
* framework would dispatch to the last sessions's media button receiver. If the media
|
|
* button receive isn't set as well, then it
|
|
*
|
|
* @param packageName The package name who would receive the media key event. Can be empty.
|
|
* @param sessionToken The media session's token. Can be {@code null}.
|
|
*/
|
|
void onMediaKeyEventSessionChanged(@NonNull String packageName,
|
|
@Nullable MediaSession.Token sessionToken);
|
|
}
|
|
|
|
/**
|
|
* Information of a remote user of {@link MediaSession} or {@link MediaBrowserService}.
|
|
* This can be used to decide whether the remote user is trusted app, and also differentiate
|
|
* caller of {@link MediaSession} and {@link MediaBrowserService} callbacks.
|
|
* <p>
|
|
* See {@link #equals(Object)} to take a look at how it differentiate media controller.
|
|
*
|
|
* @see #isTrustedForMediaControl(RemoteUserInfo)
|
|
*/
|
|
public static final class RemoteUserInfo {
|
|
private final String mPackageName;
|
|
private final int mPid;
|
|
private final int mUid;
|
|
|
|
/**
|
|
* Create a new remote user information.
|
|
*
|
|
* @param packageName The package name of the remote user
|
|
* @param pid The pid of the remote user
|
|
* @param uid The uid of the remote user
|
|
*/
|
|
public RemoteUserInfo(@NonNull String packageName, int pid, int uid) {
|
|
mPackageName = packageName;
|
|
mPid = pid;
|
|
mUid = uid;
|
|
}
|
|
|
|
/**
|
|
* @return package name of the controller
|
|
*/
|
|
public String getPackageName() {
|
|
return mPackageName;
|
|
}
|
|
|
|
/**
|
|
* @return pid of the controller
|
|
*/
|
|
public int getPid() {
|
|
return mPid;
|
|
}
|
|
|
|
/**
|
|
* @return uid of the controller
|
|
*/
|
|
public int getUid() {
|
|
return mUid;
|
|
}
|
|
|
|
/**
|
|
* Returns equality of two RemoteUserInfo. Two RemoteUserInfo objects are equal
|
|
* if and only if they have the same package name, same pid, and same uid.
|
|
*
|
|
* @param obj the reference object with which to compare.
|
|
* @return {@code true} if equals, {@code false} otherwise
|
|
*/
|
|
@Override
|
|
public boolean equals(@Nullable Object obj) {
|
|
if (!(obj instanceof RemoteUserInfo)) {
|
|
return false;
|
|
}
|
|
if (this == obj) {
|
|
return true;
|
|
}
|
|
RemoteUserInfo otherUserInfo = (RemoteUserInfo) obj;
|
|
return TextUtils.equals(mPackageName, otherUserInfo.mPackageName)
|
|
&& mPid == otherUserInfo.mPid
|
|
&& mUid == otherUserInfo.mUid;
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
return Objects.hash(mPackageName, mPid, mUid);
|
|
}
|
|
}
|
|
|
|
private static final class SessionsChangedWrapper {
|
|
private Context mContext;
|
|
private OnActiveSessionsChangedListener mListener;
|
|
private Handler mHandler;
|
|
|
|
public SessionsChangedWrapper(Context context, OnActiveSessionsChangedListener listener,
|
|
Handler handler) {
|
|
mContext = context;
|
|
mListener = listener;
|
|
mHandler = handler;
|
|
}
|
|
|
|
private final IActiveSessionsListener.Stub mStub = new IActiveSessionsListener.Stub() {
|
|
@Override
|
|
public void onActiveSessionsChanged(final List<MediaSession.Token> tokens) {
|
|
final Handler handler = mHandler;
|
|
if (handler != null) {
|
|
handler.post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
final Context context = mContext;
|
|
if (context != null) {
|
|
ArrayList<MediaController> controllers = new ArrayList<>();
|
|
int size = tokens.size();
|
|
for (int i = 0; i < size; i++) {
|
|
controllers.add(new MediaController(context, tokens.get(i)));
|
|
}
|
|
final OnActiveSessionsChangedListener listener = mListener;
|
|
if (listener != null) {
|
|
listener.onActiveSessionsChanged(controllers);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
private void release() {
|
|
mListener = null;
|
|
mContext = null;
|
|
mHandler = null;
|
|
}
|
|
}
|
|
|
|
private static final class Session2TokensChangedWrapper {
|
|
private final OnSession2TokensChangedListener mListener;
|
|
private final Handler mHandler;
|
|
private final ISession2TokensListener.Stub mStub =
|
|
new ISession2TokensListener.Stub() {
|
|
@Override
|
|
public void onSession2TokensChanged(final List<Session2Token> tokens) {
|
|
mHandler.post(() -> mListener.onSession2TokensChanged(tokens));
|
|
}
|
|
};
|
|
|
|
Session2TokensChangedWrapper(OnSession2TokensChangedListener listener, Handler handler) {
|
|
mListener = listener;
|
|
mHandler = (handler == null) ? new Handler() : new Handler(handler.getLooper());
|
|
}
|
|
|
|
public ISession2TokensListener.Stub getStub() {
|
|
return mStub;
|
|
}
|
|
}
|
|
|
|
private static final class OnVolumeKeyLongPressListenerImpl
|
|
extends IOnVolumeKeyLongPressListener.Stub {
|
|
private OnVolumeKeyLongPressListener mListener;
|
|
private Handler mHandler;
|
|
|
|
public OnVolumeKeyLongPressListenerImpl(
|
|
OnVolumeKeyLongPressListener listener, Handler handler) {
|
|
mListener = listener;
|
|
mHandler = handler;
|
|
}
|
|
|
|
@Override
|
|
public void onVolumeKeyLongPress(KeyEvent event) {
|
|
if (mListener == null || mHandler == null) {
|
|
Log.w(TAG, "Failed to call volume key long-press listener." +
|
|
" Either mListener or mHandler is null");
|
|
return;
|
|
}
|
|
mHandler.post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
mListener.onVolumeKeyLongPress(event);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private static final class OnMediaKeyListenerImpl extends IOnMediaKeyListener.Stub {
|
|
private OnMediaKeyListener mListener;
|
|
private Handler mHandler;
|
|
|
|
public OnMediaKeyListenerImpl(OnMediaKeyListener listener, Handler handler) {
|
|
mListener = listener;
|
|
mHandler = handler;
|
|
}
|
|
|
|
@Override
|
|
public void onMediaKey(KeyEvent event, ResultReceiver result) {
|
|
if (mListener == null || mHandler == null) {
|
|
Log.w(TAG, "Failed to call media key listener." +
|
|
" Either mListener or mHandler is null");
|
|
return;
|
|
}
|
|
mHandler.post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
boolean handled = mListener.onMediaKey(event);
|
|
Log.d(TAG, "The media key listener is returned " + handled);
|
|
if (result != null) {
|
|
result.send(
|
|
handled ? RESULT_MEDIA_KEY_HANDLED : RESULT_MEDIA_KEY_NOT_HANDLED,
|
|
null);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private final class OnMediaKeyEventDispatchedListenerStub
|
|
extends IOnMediaKeyEventDispatchedListener.Stub {
|
|
|
|
@Override
|
|
public void onMediaKeyEventDispatched(KeyEvent event, String packageName,
|
|
MediaSession.Token sessionToken) {
|
|
synchronized (mLock) {
|
|
for (Map.Entry<OnMediaKeyEventDispatchedListener, Executor> e
|
|
: mOnMediaKeyEventDispatchedListeners.entrySet()) {
|
|
e.getValue().execute(
|
|
() -> e.getKey().onMediaKeyEventDispatched(event, packageName,
|
|
sessionToken));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private final class OnMediaKeyEventSessionChangedListenerStub
|
|
extends IOnMediaKeyEventSessionChangedListener.Stub {
|
|
@Override
|
|
public void onMediaKeyEventSessionChanged(String packageName,
|
|
MediaSession.Token sessionToken) {
|
|
synchronized (mLock) {
|
|
mCurMediaKeyEventSessionPackage = packageName;
|
|
mCurMediaKeyEventSession = sessionToken;
|
|
for (Map.Entry<OnMediaKeyEventSessionChangedListener, Executor> e
|
|
: mMediaKeyEventSessionChangedCallbacks.entrySet()) {
|
|
e.getValue().execute(() -> e.getKey().onMediaKeyEventSessionChanged(packageName,
|
|
sessionToken));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|