1 /* 2 * Copyright (C) 2022 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 com.android.server.wm; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.annotation.SystemApi; 22 import android.annotation.UserIdInt; 23 import android.util.Pair; 24 25 26 import java.util.List; 27 28 /** 29 * Interface implemented by {@code CarLaunchParamsModifier} and used by 30 * {@code CarLaunchParamsModifierUpdatable}. 31 * 32 * Because {@code CarLaunchParamsModifierUpdatable} calls {@code CarLaunchParamsModifierInterface} 33 * with {@code mLock} acquired, {@code CarLaunchParamsModifierInterface} shouldn't call 34 * {@code CarLaunchParamsModifierUpdatable} again during its execution. 35 * @hide 36 */ 37 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) 38 public interface CarLaunchParamsModifierInterface { 39 /** 40 * Returns {@link TaskDisplayAreaWrapper} of the given {@code featureId} in the given 41 * {@code displayId}. 42 */ findTaskDisplayArea(int displayId, int featureId)43 @Nullable TaskDisplayAreaWrapper findTaskDisplayArea(int displayId, int featureId); 44 45 /** 46 * Returns the default {@link TaskDisplayAreaWrapper} of the given {@code displayId}. 47 */ getDefaultTaskDisplayAreaOnDisplay(int displayId)48 @Nullable TaskDisplayAreaWrapper getDefaultTaskDisplayAreaOnDisplay(int displayId); 49 50 /** 51 * Returns the list of fallback {@link TaskDisplayAreaWrapper} from the source of the request. 52 */ getFallbackDisplayAreasForActivity( @onNull ActivityRecordWrapper activityRecord, @Nullable RequestWrapper request)53 @NonNull List<TaskDisplayAreaWrapper> getFallbackDisplayAreasForActivity( 54 @NonNull ActivityRecordWrapper activityRecord, @Nullable RequestWrapper request); 55 56 /** 57 * @return a pair of the current userId and the target userId. 58 * The target userId is the user to switch during switching the driver, 59 * or {@link android.os.UserHandle.USER_NULL}. 60 */ getCurrentAndTargetUserIds()61 @NonNull Pair<Integer, Integer> getCurrentAndTargetUserIds(); 62 63 /** 64 * Returns the main user (i.e., not a profile) that is assigned to the display, or the 65 * {@link android.app.ActivityManager#getCurrentUser() current foreground user} if no user is 66 * associated with the display. 67 * See {@link com.android.server.pm.UserManagerInternal#getUserAssignedToDisplay(int)} for 68 * the detail. 69 */ getUserAssignedToDisplay(int displayId)70 @UserIdInt int getUserAssignedToDisplay(int displayId); 71 72 /** 73 * Returns the main display id assigned to the user, or {@code Display.INVALID_DISPLAY} if the 74 * user is not assigned to any main display. 75 * See {@link com.android.server.pm.UserManagerInternal#getMainDisplayAssignedToUser(int)} for 76 * the detail. 77 */ getMainDisplayAssignedToUser(@serIdInt int userId)78 int getMainDisplayAssignedToUser(@UserIdInt int userId); 79 } 80