| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.media.session; |
| |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.UnsupportedAppUsage; |
| import android.app.Activity; |
| import android.app.PendingIntent; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.media.AudioAttributes; |
| import android.media.MediaDescription; |
| import android.media.MediaMetadata; |
| import android.media.Rating; |
| import android.media.VolumeProvider; |
| import android.media.session.MediaSessionManager.RemoteUserInfo; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.Process; |
| import android.os.ResultReceiver; |
| import android.service.media.MediaBrowserService; |
| import android.text.TextUtils; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** |
| * Allows interaction with media controllers, volume keys, media buttons, and |
| * transport controls. |
| * <p> |
| * A MediaSession should be created when an app wants to publish media playback |
| * information or handle media keys. In general an app only needs one session |
| * for all playback, though multiple sessions can be created to provide finer |
| * grain controls of media. |
| * <p> |
| * Once a session is created the owner of the session may pass its |
| * {@link #getSessionToken() session token} to other processes to allow them to |
| * create a {@link MediaController} to interact with the session. |
| * <p> |
| * To receive commands, media keys, and other events a {@link Callback} must be |
| * set with {@link #setCallback(Callback)} and {@link #setActive(boolean) |
| * setActive(true)} must be called. |
| * <p> |
| * When an app is finished performing playback it must call {@link #release()} |
| * to clean up the session and notify any controllers. |
| * <p> |
| * MediaSession objects are thread safe. |
| */ |
| public final class MediaSession { |
| static final String TAG = "MediaSession"; |
| |
| /** |
| * Set this flag on the session to indicate that it can handle media button |
| * events. |
| * @deprecated This flag is no longer used. All media sessions are expected to handle media |
| * button events now. |
| */ |
| @Deprecated |
| public static final int FLAG_HANDLES_MEDIA_BUTTONS = 1 << 0; |
| |
| /** |
| * Set this flag on the session to indicate that it handles transport |
| * control commands through its {@link Callback}. |
| * @deprecated This flag is no longer used. All media sessions are expected to handle transport |
| * controls now. |
| */ |
| @Deprecated |
| public static final int FLAG_HANDLES_TRANSPORT_CONTROLS = 1 << 1; |
| |
| /** |
| * System only flag for a session that needs to have priority over all other |
| * sessions. This flag ensures this session will receive media button events |
| * regardless of the current ordering in the system. |
| * |
| * @hide |
| */ |
| public static final int FLAG_EXCLUSIVE_GLOBAL_PRIORITY = 1 << 16; |
| |
| /** |
| * @hide |
| */ |
| public static final int INVALID_UID = -1; |
| |
| /** |
| * @hide |
| */ |
| public static final int INVALID_PID = -1; |
| |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(flag = true, value = { |
| FLAG_HANDLES_MEDIA_BUTTONS, |
| FLAG_HANDLES_TRANSPORT_CONTROLS, |
| FLAG_EXCLUSIVE_GLOBAL_PRIORITY }) |
| public @interface SessionFlags { } |
| |
| private final MediaSessionEngine mImpl; |
| private final int mMaxBitmapSize; |
| |
| // Do not change the name of mCallback. Support lib accesses this by using reflection. |
| @UnsupportedAppUsage |
| private Object mCallback; |
| |
| /** |
| * Creates a new session. The session will automatically be registered with |
| * the system but will not be published until {@link #setActive(boolean) |
| * setActive(true)} is called. You must call {@link #release()} when |
| * finished with the session. |
| * |
| * @param context The context to use to create the session. |
| * @param tag A short name for debugging purposes. |
| */ |
| public MediaSession(@NonNull Context context, @NonNull String tag) { |
| this(context, tag, null); |
| } |
| |
| /** |
| * Creates a new session. The session will automatically be registered with |
| * the system but will not be published until {@link #setActive(boolean) |
| * setActive(true)} is called. You must call {@link #release()} when |
| * finished with the session. |
| * <p> |
| * The {@code sessionInfo} can include additional unchanging information about this session. |
| * For example, it can include the version of the application, or the list of the custom |
| * commands that this session supports. |
| * |
| * @param context The context to use to create the session. |
| * @param tag A short name for debugging purposes. |
| * @param sessionInfo A bundle for additional information about this session. |
| * Controllers can get this information by calling |
| * {@link MediaController#getSessionInfo()}. |
| */ |
| public MediaSession(@NonNull Context context, @NonNull String tag, |
| @Nullable Bundle sessionInfo) { |
| if (context == null) { |
| throw new IllegalArgumentException("context cannot be null."); |
| } |
| if (TextUtils.isEmpty(tag)) { |
| throw new IllegalArgumentException("tag cannot be null or empty"); |
| } |
| MediaSessionManager manager = (MediaSessionManager) context |
| .getSystemService(Context.MEDIA_SESSION_SERVICE); |
| try { |
| SessionCallbackLink cbLink = new SessionCallbackLink(context); |
| SessionLink sessionLink = manager.createSession(cbLink, tag, sessionInfo); |
| mImpl = new MediaSessionEngine(context, sessionLink, cbLink); |
| mMaxBitmapSize = context.getResources().getDimensionPixelSize( |
| android.R.dimen.config_mediaMetadataBitmapMaxSize); |
| } catch (RuntimeException e) { |
| throw new RuntimeException("Remote error creating session.", e); |
| } |
| } |
| |
| /** |
| * Set the callback to receive updates for the MediaSession. This includes |
| * media button events and transport controls. The caller's thread will be |
| * used to post updates. |
| * <p> |
| * Set the callback to null to stop receiving updates. |
| * |
| * @param callback The callback object |
| */ |
| public void setCallback(@Nullable Callback callback) { |
| mCallback = callback == null ? null : new Object(); |
| mImpl.setCallback(callback); |
| } |
| |
| /** |
| * Set the callback to receive updates for the MediaSession. This includes |
| * media button events and transport controls. |
| * <p> |
| * Set the callback to null to stop receiving updates. |
| * |
| * @param callback The callback to receive updates on. |
| * @param handler The handler that events should be posted on. |
| */ |
| public void setCallback(@Nullable Callback callback, @Nullable Handler handler) { |
| mCallback = callback == null ? null : new Object(); |
| mImpl.setCallback(callback, handler); |
| } |
| |
| /** |
| * Set an intent for launching UI for this Session. This can be used as a |
| * quick link to an ongoing media screen. The intent should be for an |
| * activity that may be started using {@link Activity#startActivity(Intent)}. |
| * |
| * @param pi The intent to launch to show UI for this Session. |
| */ |
| public void setSessionActivity(@Nullable PendingIntent pi) { |
| mImpl.setSessionActivity(pi); |
| } |
| |
| /** |
| * Set a pending intent for your media button receiver to allow restarting |
| * playback after the session has been stopped. If your app is started in |
| * this way an {@link Intent#ACTION_MEDIA_BUTTON} intent will be sent via |
| * the pending intent. |
| * |
| * @param mbr The {@link PendingIntent} to send the media button event to. |
| */ |
| public void setMediaButtonReceiver(@Nullable PendingIntent mbr) { |
| mImpl.setMediaButtonReceiver(mbr); |
| } |
| |
| /** |
| * Set any flags for the session. |
| * |
| * @param flags The flags to set for this session. |
| */ |
| public void setFlags(@SessionFlags int flags) { |
| mImpl.setFlags(flags); |
| } |
| |
| /** |
| * Set the attributes for this session's audio. This will affect the |
| * system's volume handling for this session. If |
| * {@link #setPlaybackToRemote} was previously called it will stop receiving |
| * volume commands and the system will begin sending volume changes to the |
| * appropriate stream. |
| * <p> |
| * By default sessions use attributes for media. |
| * |
| * @param attributes The {@link AudioAttributes} for this session's audio. |
| */ |
| public void setPlaybackToLocal(AudioAttributes attributes) { |
| mImpl.setPlaybackToLocal(attributes); |
| } |
| |
| /** |
| * Configure this session to use remote volume handling. This must be called |
| * to receive volume button events, otherwise the system will adjust the |
| * appropriate stream volume for this session. If |
| * {@link #setPlaybackToLocal} was previously called the system will stop |
| * handling volume changes for this session and pass them to the volume |
| * provider instead. |
| * |
| * @param volumeProvider The provider that will handle volume changes. May |
| * not be null. |
| */ |
| public void setPlaybackToRemote(@NonNull VolumeProvider volumeProvider) { |
| mImpl.setPlaybackToRemote(volumeProvider); |
| } |
| |
| /** |
| * Set if this session is currently active and ready to receive commands. If |
| * set to false your session's controller may not be discoverable. You must |
| * set the session to active before it can start receiving media button |
| * events or transport commands. |
| * |
| * @param active Whether this session is active or not. |
| */ |
| public void setActive(boolean active) { |
| mImpl.setActive(active); |
| } |
| |
| /** |
| * Get the current active state of this session. |
| * |
| * @return True if the session is active, false otherwise. |
| */ |
| public boolean isActive() { |
| return mImpl.isActive(); |
| } |
| |
| /** |
| * Send a proprietary event to all MediaControllers listening to this |
| * Session. It's up to the Controller/Session owner to determine the meaning |
| * of any events. |
| * |
| * @param event The name of the event to send |
| * @param extras Any extras included with the event |
| */ |
| public void sendSessionEvent(@NonNull String event, @Nullable Bundle extras) { |
| mImpl.sendSessionEvent(event, extras); |
| } |
| |
| /** |
| * This must be called when an app has finished performing playback. If |
| * playback is expected to start again shortly the session can be left open, |
| * but it must be released if your activity or service is being destroyed. |
| */ |
| public void release() { |
| mImpl.close(); |
| } |
| |
| /** |
| * Retrieve a token object that can be used by apps to create a |
| * {@link MediaController} for interacting with this session. The owner of |
| * the session is responsible for deciding how to distribute these tokens. |
| * |
| * @return A token that can be used to create a MediaController for this |
| * session |
| */ |
| public @NonNull Token getSessionToken() { |
| return mImpl.getSessionToken(); |
| } |
| |
| /** |
| * Get a controller for this session. This is a convenience method to avoid |
| * having to cache your own controller in process. |
| * |
| * @return A controller for this session. |
| */ |
| public @NonNull MediaController getController() { |
| return mImpl.getController(); |
| } |
| |
| /** |
| * Update the current playback state. |
| * |
| * @param state The current state of playback |
| */ |
| public void setPlaybackState(@Nullable PlaybackState state) { |
| mImpl.setPlaybackState(state); |
| } |
| |
| /** |
| * Update the current metadata. New metadata can be created using |
| * {@link android.media.MediaMetadata.Builder}. This operation may take time proportional to |
| * the size of the bitmap to replace large bitmaps with a scaled down copy. |
| * |
| * @param metadata The new metadata |
| * @see android.media.MediaMetadata.Builder#putBitmap |
| */ |
| public void setMetadata(@Nullable MediaMetadata metadata) { |
| if (metadata != null) { |
| metadata = new MediaMetadata.Builder(metadata, mMaxBitmapSize).build(); |
| } |
| mImpl.setMetadata(metadata); |
| } |
| |
| /** |
| * Update the list of items in the play queue. It is an ordered list and |
| * should contain the current item, and previous or upcoming items if they |
| * exist. Specify null if there is no current play queue. |
| * <p> |
| * The queue should be of reasonable size. If the play queue is unbounded |
| * within your app, it is better to send a reasonable amount in a sliding |
| * window instead. |
| * |
| * @param queue A list of items in the play queue. |
| */ |
| public void setQueue(@Nullable List<QueueItem> queue) { |
| mImpl.setQueue(queue); |
| } |
| |
| /** |
| * Set the title of the play queue. The UI should display this title along |
| * with the play queue itself. |
| * e.g. "Play Queue", "Now Playing", or an album name. |
| * |
| * @param title The title of the play queue. |
| */ |
| public void setQueueTitle(@Nullable CharSequence title) { |
| mImpl.setQueueTitle(title); |
| } |
| |
| /** |
| * Set the style of rating used by this session. Apps trying to set the |
| * rating should use this style. Must be one of the following: |
| * <ul> |
| * <li>{@link Rating#RATING_NONE}</li> |
| * <li>{@link Rating#RATING_3_STARS}</li> |
| * <li>{@link Rating#RATING_4_STARS}</li> |
| * <li>{@link Rating#RATING_5_STARS}</li> |
| * <li>{@link Rating#RATING_HEART}</li> |
| * <li>{@link Rating#RATING_PERCENTAGE}</li> |
| * <li>{@link Rating#RATING_THUMB_UP_DOWN}</li> |
| * </ul> |
| */ |
| public void setRatingType(@Rating.Style int type) { |
| mImpl.setRatingType(type); |
| } |
| |
| /** |
| * Set some extras that can be associated with the {@link MediaSession}. No assumptions should |
| * be made as to how a {@link MediaController} will handle these extras. |
| * Keys should be fully qualified (e.g. com.example.MY_EXTRA) to avoid conflicts. |
| * |
| * @param extras The extras associated with the {@link MediaSession}. |
| */ |
| public void setExtras(@Nullable Bundle extras) { |
| mImpl.setExtras(extras); |
| } |
| |
| /** |
| * Gets the controller information who sent the current request. |
| * <p> |
| * Note: This is only valid while in a request callback, such as {@link Callback#onPlay}. |
| * |
| * @throws IllegalStateException If this method is called outside of {@link Callback} methods. |
| * @see MediaSessionManager#isTrustedForMediaControl(RemoteUserInfo) |
| */ |
| public final @NonNull RemoteUserInfo getCurrentControllerInfo() { |
| return mImpl.getCurrentControllerInfo(); |
| } |
| |
| /** |
| * Returns the name of the package that sent the last media button, transport control, or |
| * command from controllers and the system. This is only valid while in a request callback, such |
| * as {@link Callback#onPlay}. |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public String getCallingPackage() { |
| return mImpl.getCallingPackage(); |
| } |
| |
| /** |
| * Return true if this is considered an active playback state. |
| * |
| * @hide |
| */ |
| public static boolean isActiveState(int state) { |
| return MediaSessionEngine.isActiveState(state); |
| } |
| |
| /** |
| * Represents an ongoing session. This may be passed to apps by the session |
| * owner to allow them to create a {@link MediaController} to communicate with |
| * the session. |
| */ |
| public static final class Token implements Parcelable { |
| |
| private final int mUid; |
| private final ControllerLink mControllerLink; |
| |
| /** |
| * @hide |
| */ |
| public Token(ControllerLink controllerLink) { |
| mUid = Process.myUid(); |
| mControllerLink = controllerLink; |
| } |
| |
| Token(Parcel in) { |
| mUid = in.readInt(); |
| mControllerLink = in.readParcelable(null); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(mUid); |
| dest.writeParcelable(mControllerLink, flags); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = mUid; |
| result = prime * result + ((mControllerLink == null) |
| ? 0 : mControllerLink.getBinder().hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| Token other = (Token) obj; |
| if (mUid != other.mUid) { |
| return false; |
| } |
| return Objects.equals(mControllerLink, other.mControllerLink); |
| } |
| |
| /** |
| * Gets the UID of this token. |
| * @hide |
| */ |
| public int getUid() { |
| return mUid; |
| } |
| |
| /** |
| * Gets the controller link in this token. |
| * @hide |
| */ |
| public ControllerLink getControllerLink() { |
| return mControllerLink; |
| } |
| |
| public static final Parcelable.Creator<Token> CREATOR = |
| new Parcelable.Creator<Token>() { |
| @Override |
| public Token createFromParcel(Parcel in) { |
| return new Token(in); |
| } |
| |
| @Override |
| public Token[] newArray(int size) { |
| return new Token[size]; |
| } |
| }; |
| } |
| |
| /** |
| * Receives media buttons, transport controls, and commands from controllers |
| * and the system. A callback may be set using {@link #setCallback}. |
| */ |
| public abstract static class Callback { |
| |
| MediaSessionEngine.MediaButtonEventDelegate mMediaButtonEventDelegate; |
| |
| public Callback() { |
| } |
| |
| /** |
| * Called when a controller has sent a command to this session. |
| * The owner of the session may handle custom commands but is not |
| * required to. |
| * |
| * @param command The command name. |
| * @param args Optional parameters for the command, may be null. |
| * @param cb A result receiver to which a result may be sent by the command, may be null. |
| */ |
| public void onCommand(@NonNull String command, @Nullable Bundle args, |
| @Nullable ResultReceiver cb) { |
| } |
| |
| /** |
| * Called when a media button is pressed and this session has the |
| * highest priority or a controller sends a media button event to the |
| * session. The default behavior will call the relevant method if the |
| * action for it was set. |
| * <p> |
| * The intent will be of type {@link Intent#ACTION_MEDIA_BUTTON} with a |
| * KeyEvent in {@link Intent#EXTRA_KEY_EVENT} |
| * |
| * @param mediaButtonIntent an intent containing the KeyEvent as an |
| * extra |
| * @return True if the event was handled, false otherwise. |
| */ |
| public boolean onMediaButtonEvent(@NonNull Intent mediaButtonIntent) { |
| if (mMediaButtonEventDelegate != null) { |
| return mMediaButtonEventDelegate.onMediaButtonIntent(mediaButtonIntent); |
| } |
| return false; |
| } |
| |
| /** |
| * Override to handle requests to prepare playback. During the preparation, a session should |
| * not hold audio focus in order to allow other sessions play seamlessly. The state of |
| * playback should be updated to {@link PlaybackState#STATE_PAUSED} after the preparation is |
| * done. |
| */ |
| public void onPrepare() { |
| } |
| |
| /** |
| * Override to handle requests to prepare for playing a specific mediaId that was provided |
| * by your app's {@link MediaBrowserService}. During the preparation, a session should not |
| * hold audio focus in order to allow other sessions play seamlessly. The state of playback |
| * should be updated to {@link PlaybackState#STATE_PAUSED} after the preparation is done. |
| * The playback of the prepared content should start in the implementation of |
| * {@link #onPlay}. Override {@link #onPlayFromMediaId} to handle requests for starting |
| * playback without preparation. |
| */ |
| public void onPrepareFromMediaId(String mediaId, Bundle extras) { |
| } |
| |
| /** |
| * Override to handle requests to prepare playback from a search query. An empty query |
| * indicates that the app may prepare any music. The implementation should attempt to make a |
| * smart choice about what to play. During the preparation, a session should not hold audio |
| * focus in order to allow other sessions play seamlessly. The state of playback should be |
| * updated to {@link PlaybackState#STATE_PAUSED} after the preparation is done. The playback |
| * of the prepared content should start in the implementation of {@link #onPlay}. Override |
| * {@link #onPlayFromSearch} to handle requests for starting playback without preparation. |
| */ |
| public void onPrepareFromSearch(String query, Bundle extras) { |
| } |
| |
| /** |
| * Override to handle requests to prepare a specific media item represented by a URI. |
| * During the preparation, a session should not hold audio focus in order to allow |
| * other sessions play seamlessly. The state of playback should be updated to |
| * {@link PlaybackState#STATE_PAUSED} after the preparation is done. |
| * The playback of the prepared content should start in the implementation of |
| * {@link #onPlay}. Override {@link #onPlayFromUri} to handle requests |
| * for starting playback without preparation. |
| */ |
| public void onPrepareFromUri(Uri uri, Bundle extras) { |
| } |
| |
| /** |
| * Override to handle requests to begin playback. |
| */ |
| public void onPlay() { |
| } |
| |
| /** |
| * Override to handle requests to begin playback from a search query. An |
| * empty query indicates that the app may play any music. The |
| * implementation should attempt to make a smart choice about what to |
| * play. |
| */ |
| public void onPlayFromSearch(String query, Bundle extras) { |
| } |
| |
| /** |
| * Override to handle requests to play a specific mediaId that was |
| * provided by your app's {@link MediaBrowserService}. |
| */ |
| public void onPlayFromMediaId(String mediaId, Bundle extras) { |
| } |
| |
| /** |
| * Override to handle requests to play a specific media item represented by a URI. |
| */ |
| public void onPlayFromUri(Uri uri, Bundle extras) { |
| } |
| |
| /** |
| * Override to handle requests to play an item with a given id from the |
| * play queue. |
| */ |
| public void onSkipToQueueItem(long id) { |
| } |
| |
| /** |
| * Override to handle requests to pause playback. |
| */ |
| public void onPause() { |
| } |
| |
| /** |
| * Override to handle requests to skip to the next media item. |
| */ |
| public void onSkipToNext() { |
| } |
| |
| /** |
| * Override to handle requests to skip to the previous media item. |
| */ |
| public void onSkipToPrevious() { |
| } |
| |
| /** |
| * Override to handle requests to fast forward. |
| */ |
| public void onFastForward() { |
| } |
| |
| /** |
| * Override to handle requests to rewind. |
| */ |
| public void onRewind() { |
| } |
| |
| /** |
| * Override to handle requests to stop playback. |
| */ |
| public void onStop() { |
| } |
| |
| /** |
| * Override to handle requests to seek to a specific position in ms. |
| * |
| * @param pos New position to move to, in milliseconds. |
| */ |
| public void onSeekTo(long pos) { |
| } |
| |
| /** |
| * Override to handle the item being rated. |
| * |
| * @param rating |
| */ |
| public void onSetRating(@NonNull Rating rating) { |
| } |
| |
| /** |
| * Override to handle the playback speed change. |
| * To update the new playback speed, create a new {@link PlaybackState} by using {@link |
| * PlaybackState.Builder#setState(int, long, float)}, and set it with |
| * {@link #setPlaybackState(PlaybackState)}. |
| * |
| * @param speed the playback speed |
| * @see #setPlaybackState(PlaybackState) |
| * @see PlaybackState.Builder#setState(int, long, float) |
| */ |
| public void onSetPlaybackSpeed(float speed) { |
| } |
| |
| /** |
| * Called when a {@link MediaController} wants a {@link PlaybackState.CustomAction} to be |
| * performed. |
| * |
| * @param action The action that was originally sent in the |
| * {@link PlaybackState.CustomAction}. |
| * @param extras Optional extras specified by the {@link MediaController}. |
| */ |
| public void onCustomAction(@NonNull String action, @Nullable Bundle extras) { |
| } |
| |
| /** |
| * @hide |
| */ |
| public void onSetMediaButtonEventDelegate( |
| @NonNull MediaSessionEngine.MediaButtonEventDelegate delegate) { |
| mMediaButtonEventDelegate = delegate; |
| } |
| } |
| |
| /** |
| * A single item that is part of the play queue. It contains a description |
| * of the item and its id in the queue. |
| */ |
| public static final class QueueItem implements Parcelable { |
| /** |
| * This id is reserved. No items can be explicitly assigned this id. |
| */ |
| public static final int UNKNOWN_ID = -1; |
| |
| private final MediaSessionEngine.QueueItem mImpl; |
| @UnsupportedAppUsage |
| private final long mId; |
| |
| /** |
| * Create a new {@link MediaSession.QueueItem}. |
| * |
| * @param description The {@link MediaDescription} for this item. |
| * @param id An identifier for this item. It must be unique within the |
| * play queue and cannot be {@link #UNKNOWN_ID}. |
| */ |
| public QueueItem(MediaDescription description, long id) { |
| mImpl = new MediaSessionEngine.QueueItem(description, id); |
| mId = id; |
| } |
| |
| private QueueItem(Parcel in) { |
| mImpl = new MediaSessionEngine.QueueItem(in); |
| mId = mImpl.getQueueId(); |
| } |
| |
| /** |
| * Get the description for this item. |
| */ |
| public MediaDescription getDescription() { |
| return mImpl.getDescription(); |
| } |
| |
| /** |
| * Get the queue id for this item. |
| */ |
| public long getQueueId() { |
| return mImpl.getQueueId(); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| mImpl.writeToParcel(dest, flags); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| public static final Creator<MediaSession.QueueItem> CREATOR = |
| new Creator<MediaSession.QueueItem>() { |
| |
| @Override |
| public MediaSession.QueueItem createFromParcel(Parcel p) { |
| return new MediaSession.QueueItem(p); |
| } |
| |
| @Override |
| public MediaSession.QueueItem[] newArray(int size) { |
| return new MediaSession.QueueItem[size]; |
| } |
| }; |
| |
| @Override |
| public String toString() { |
| return mImpl.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o == null) { |
| return false; |
| } |
| |
| if (!(o instanceof QueueItem)) { |
| return false; |
| } |
| |
| return mImpl.equals(((QueueItem) o).mImpl); |
| } |
| } |
| } |