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      1 /* Copyright (C) 2011 The Android Open Source Project
      2  *
      3  * Licensed under the Apache License, Version 2.0 (the "License");
      4  * you may not use this file except in compliance with the License.
      5  * You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software
     10  * distributed under the License is distributed on an "AS IS" BASIS,
     11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12  * See the License for the specific language governing permissions and
     13  * limitations under the License.
     14  */
     15 
     16 package android.media;
     17 
     18 import android.graphics.Bitmap;
     19 import android.media.IRemoteControlDisplay;
     20 
     21 /**
     22  * @hide
     23  * Interface registered by AudioManager to notify a source of remote control information
     24  * that information is requested to be displayed on the remote control (through
     25  * IRemoteControlDisplay).
     26  * {@see AudioManager#registerRemoteControlClient(RemoteControlClient)}.
     27  */
     28 oneway interface IRemoteControlClient
     29 {
     30     /**
     31      * Notifies a remote control client that information for the given generation ID is
     32      * requested. If the flags contains
     33      * {@link RemoteControlClient#FLAG_INFORMATION_REQUESTED_ALBUM_ART} then the width and height
     34      *   parameters are valid.
     35      * @param generationId
     36      * @param infoFlags
     37      * FIXME: is infoFlags required? since the RCC pushes info, this might always be called
     38      *        with RC_INFO_ALL
     39      */
     40     void onInformationRequested(int generationId, int infoFlags);
     41 
     42     /**
     43      * Sets the generation counter of the current client that is displayed on the remote control.
     44      */
     45     void setCurrentClientGenerationId(int clientGeneration);
     46 
     47     void   plugRemoteControlDisplay(IRemoteControlDisplay rcd, int w, int h);
     48     void unplugRemoteControlDisplay(IRemoteControlDisplay rcd);
     49     void setBitmapSizeForDisplay(IRemoteControlDisplay rcd, int w, int h);
     50     void setWantsSyncForDisplay(IRemoteControlDisplay rcd, boolean wantsSync);
     51     void seekTo(int clientGeneration, long timeMs);
     52 }