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.window; 18 19 import android.view.SurfaceControl; 20 21 import android.os.IBinder; 22 import android.view.RemoteAnimationAdapter; 23 import android.window.IDisplayAreaOrganizerController; 24 import android.window.ITaskFragmentOrganizerController; 25 import android.window.ITaskOrganizerController; 26 import android.window.ITransitionMetricsReporter; 27 import android.window.ITransitionPlayer; 28 import android.window.IWindowContainerTransactionCallback; 29 import android.window.WindowContainerToken; 30 import android.window.WindowContainerTransaction; 31 32 /** @hide */ 33 interface IWindowOrganizerController { 34 35 /** 36 * Apply multiple WindowContainer operations at once. 37 * @param t The transaction to apply. 38 */ applyTransaction(in WindowContainerTransaction t)39 void applyTransaction(in WindowContainerTransaction t); 40 41 /** 42 * Apply multiple WindowContainer operations at once. 43 * @param t The transaction to apply. 44 * @param callback This transaction will use the synchronization scheme described in 45 * BLASTSyncEngine.java. The SurfaceControl transaction containing the effects of this 46 * WindowContainer transaction will be passed to this callback when ready. 47 * @return An ID for the sync operation which will later be passed to transactionReady callback. 48 * This lets the caller differentiate overlapping sync operations. 49 */ applySyncTransaction(in WindowContainerTransaction t, in IWindowContainerTransactionCallback callback)50 int applySyncTransaction(in WindowContainerTransaction t, 51 in IWindowContainerTransactionCallback callback); 52 53 /** 54 * Starts a new transition. 55 * @param type The transition type. 56 * @param t Operations that are part of the transition. 57 * @return a token representing the transition. 58 */ startNewTransition(int type, in @nullable WindowContainerTransaction t)59 IBinder startNewTransition(int type, in @nullable WindowContainerTransaction t); 60 61 /** 62 * Starts the given transition. 63 * @param transitionToken A token associated with the transition to start. 64 * @param t Operations that are part of the transition. 65 */ startTransition(IBinder transitionToken, in @nullable WindowContainerTransaction t)66 void startTransition(IBinder transitionToken, in @nullable WindowContainerTransaction t); 67 68 /** 69 * Finishes a transition. This must be called for all created transitions. 70 * @param transitionToken Which transition to finish 71 * @param t Changes to make before finishing but in the same SF Transaction. Can be null. 72 */ finishTransition(in IBinder transitionToken, in @nullable WindowContainerTransaction t)73 void finishTransition(in IBinder transitionToken, in @nullable WindowContainerTransaction t); 74 75 /** @return An interface enabling the management of task organizers. */ getTaskOrganizerController()76 ITaskOrganizerController getTaskOrganizerController(); 77 78 /** @return An interface enabling the management of display area organizers. */ getDisplayAreaOrganizerController()79 IDisplayAreaOrganizerController getDisplayAreaOrganizerController(); 80 81 /** @return An interface enabling the management of task fragment organizers. */ getTaskFragmentOrganizerController()82 ITaskFragmentOrganizerController getTaskFragmentOrganizerController(); 83 84 /** 85 * Registers a transition player with Core. There is only one of these active at a time so 86 * calling this will replace the existing one (if set) until it is unregistered. 87 */ registerTransitionPlayer(in ITransitionPlayer player)88 void registerTransitionPlayer(in ITransitionPlayer player); 89 90 /** 91 * Un-registers a transition player from Core. This will restore whichever player was active 92 * prior to registering this one. 93 */ unregisterTransitionPlayer(in ITransitionPlayer player)94 void unregisterTransitionPlayer(in ITransitionPlayer player); 95 96 /** @return An interface enabling the transition players to report its metrics. */ getTransitionMetricsReporter()97 ITransitionMetricsReporter getTransitionMetricsReporter(); 98 99 /** @return The transaction queue token used by WM. */ getApplyToken()100 IBinder getApplyToken(); 101 } 102