IVrManager.aidl revision 2abf1c60cc2fc6ec9bc590cb35e94581ecf93c2e
1/** 2 * Copyright (c) 2016, 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 17package android.service.vr; 18 19import android.service.vr.IVrStateCallbacks; 20 21/** @hide */ 22interface IVrManager { 23 24 /** 25 * Add a callback to be notified when VR mode state changes. 26 * 27 * @param cb the callback instance to add. 28 */ 29 void registerListener(in IVrStateCallbacks cb); 30 31 /** 32 * Remove the callack from the current set of registered callbacks. 33 * 34 * @param cb the callback to remove. 35 */ 36 void unregisterListener(in IVrStateCallbacks cb); 37 38 /** 39 * Return current VR mode state. 40 * 41 * @return {@code true} if VR mode is enabled. 42 */ 43 boolean getVrModeState(); 44 45 /** 46 * Sets the persistent VR mode state of a device. When a device is in persistent VR mode it will 47 * remain in VR mode even if the foreground does not specify VR mode being enabled. Mainly used 48 * by VR viewers to indicate that a device is placed in a VR viewer. 49 * 50 * @param enabled true if the device should be placed in persistent VR mode. 51 */ 52 void setPersistentVrModeEnabled(in boolean enabled); 53 54 /** 55 * Return current virtual display id. 56 * 57 * @return {@link android.view.Display.INVALID_DISPLAY} if there is no virtual display 58 * currently, else return the display id of the virtual display 59 */ 60 int getCompatibilityDisplayId(); 61} 62 63