1 /* 2 * Copyright 2025 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.display; 18 19 import android.annotation.Nullable; 20 import android.hardware.display.DisplayTopology; 21 22 /** 23 * Allows to save and restore {@link DisplayTopology}. 24 * See implementation: {@link DisplayTopologyXmlStore} 25 */ 26 interface DisplayTopologyStore { saveTopology(DisplayTopology topology)27 boolean saveTopology(DisplayTopology topology); 28 29 @Nullable restoreTopology(DisplayTopology topology)30 DisplayTopology restoreTopology(DisplayTopology topology); 31 reloadTopologies(int userId)32 void reloadTopologies(int userId); 33 } 34