| /* |
| * 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 com.android.server.audio; |
| |
| import android.annotation.NonNull; |
| |
| public interface PlayerFocusEnforcer { |
| |
| /** |
| * Ducks the players associated with the "loser" focus owner (i.e. same UID). Returns true if |
| * at least one active player was found and ducked, false otherwise. |
| * @param winner |
| * @param loser |
| * @return |
| */ |
| boolean duckPlayers(@NonNull FocusRequester winner, @NonNull FocusRequester loser, |
| boolean forceDuck); |
| |
| /** |
| * Unduck the players that had been ducked with |
| * {@link #duckPlayers(FocusRequester, FocusRequester, boolean)} |
| * @param winner |
| */ |
| void unduckPlayers(@NonNull FocusRequester winner); |
| |
| /** |
| * Mute players at the beginning of a call |
| * @param usagesToMute array of {@link android.media.AudioAttributes} usages to mute |
| */ |
| void mutePlayersForCall(int[] usagesToMute); |
| |
| /** |
| * Unmute players at the end of a call |
| */ |
| void unmutePlayersForCall(); |
| } |