1 /** 2 * Copyright (c) 2020, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.media; 18 19 /** 20 * Enums for media observable events. 21 * 22 * These values are used as bitmasks to indicate the events that the 23 * observer is interested in in the MediaObservableFilter objects passed to 24 * IResourceObserverService::registerObserver(). 25 * 26 * {@hide} 27 */ 28 @Backing(type="long") 29 enum MediaObservableEvent { 30 /** 31 * A media resource is granted to a client and becomes busy. 32 */ 33 kBusy = 1, 34 35 /** 36 * A media resource is released by a client and becomes idle. 37 */ 38 kIdle = 2, 39 40 /** 41 * A bitmask that covers all observable events defined. 42 */ 43 kAll = ~0, 44 } 45