System API for a proxy for registered players (70efb526) · Commits · e / os / android_frameworks_base

api/system-current.txt

+8 −0

Original line number	Diff line number	Diff line
		@@ -21854,6 +21854,7 @@ package android.media {
		method public int getClientPid();
		method public int getClientUid();
		method public int getPlayerInterfaceId();
		method public android.media.PlayerProxy getPlayerProxy();
		method public int getPlayerState();
		method public int getPlayerType();
		method public void writeToParcel(android.os.Parcel, int);
		@@ -23682,6 +23683,13 @@ package android.media {
		field public static final android.os.Parcelable.Creator<android.media.PlaybackParams> CREATOR;
		}

		public class PlayerProxy {
		method public void pause() throws java.lang.IllegalStateException;
		method public void setVolume(float) throws java.lang.IllegalStateException;
		method public void start() throws java.lang.IllegalStateException;
		method public void stop() throws java.lang.IllegalStateException;
		}

		public final class Rating implements android.os.Parcelable {
		method public int describeContents();
		method public float getPercentRating();

media/java/android/media/AudioPlaybackConfiguration.java

+12 −3

Original line number	Diff line number	Diff line
		@@ -283,10 +283,19 @@ public final class AudioPlaybackConfiguration implements Parcelable {

		/**
		* @hide
		* FIXME return a player proxy instead, make systemApi
		* @return
		* Return a proxy for the player associated with this playback configuration
		* @return a proxy player
		*/
		public IPlayer getPlayerProxy() {
		@SystemApi
		public PlayerProxy getPlayerProxy() {
		return mIPlayerShell == null ? null : new PlayerProxy(this);
		}

		/**
		* @hide
		* @return the IPlayer interface for the associated player
		*/
		IPlayer getIPlayer() {
		return mIPlayerShell == null ? null : mIPlayerShell.getIPlayer();
		}

media/java/android/media/PlayerProxy.java

0 → 100644

+109 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 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;

		import android.annotation.NonNull;
		import android.annotation.SystemApi;
		import android.os.RemoteException;
		import android.util.Log;

		import java.lang.IllegalArgumentException;
		import java.util.Objects;

		/**
		* Class to remotely control a player.
		* @hide
		*/
		@SystemApi
		public class PlayerProxy {

		private final static String TAG = "PlayerProxy";
		private final static boolean DEBUG = false;

		private final AudioPlaybackConfiguration mConf; // never null

		/**
		* @hide
		* Constructor. Proxy for this player associated with this AudioPlaybackConfiguration
		* @param conf the configuration being proxied.
		*/
		PlayerProxy(@NonNull AudioPlaybackConfiguration apc) {
		if (apc == null) {
		throw new IllegalArgumentException("Illegal null AudioPlaybackConfiguration");
		}
		mConf = apc;
		};

		//=====================================================================
		// Methods matching the IPlayer interface
		/**
		* @hide
		* @throws IllegalStateException
		*/
		@SystemApi
		public void start() throws IllegalStateException {
		try {
		mConf.getIPlayer().start();
		} catch (NullPointerException\|RemoteException e) {
		throw new IllegalStateException(
		"No player to proxy for start operation, player already released?", e);
		}
		}

		/**
		* @hide
		* @throws IllegalStateException
		*/
		@SystemApi
		public void pause() throws IllegalStateException {
		try {
		mConf.getIPlayer().pause();
		} catch (NullPointerException\|RemoteException e) {
		throw new IllegalStateException(
		"No player to proxy for pause operation, player already released?", e);
		}
		}

		/**
		* @hide
		* @throws IllegalStateException
		*/
		@SystemApi
		public void stop() throws IllegalStateException {
		try {
		mConf.getIPlayer().stop();
		} catch (NullPointerException\|RemoteException e) {
		throw new IllegalStateException(
		"No player to proxy for stop operation, player already released?", e);
		}
		}

		/**
		* @hide
		* @throws IllegalStateException
		*/
		@SystemApi
		public void setVolume(float vol) throws IllegalStateException {
		try {
		mConf.getIPlayer().setVolume(vol);
		} catch (NullPointerException\|RemoteException e) {
		throw new IllegalStateException(
		"No player to proxy for setVolume operation, player already released?", e);
		}
		}

		}