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.os; 18 19 20 /** 21 * Touch occlusion modes: These modes represent how windows are taken into 22 * consideration in order to decide whether to block obscured touches or 23 * not. 24 * 25 * @hide 26 */ 27 @Backing(type="int") 28 enum TouchOcclusionMode { 29 /** 30 * Touches that pass through this window will be blocked if they are 31 * consumed by a different UID and this window is not trusted. 32 */ 33 BLOCK_UNTRUSTED, 34 35 /** 36 * The window's opacity will be taken into consideration for touch 37 * occlusion rules if the touch passes through it and the window is not 38 * trusted. 39 */ 40 USE_OPACITY, 41 42 /** 43 * The window won't count for touch occlusion rules if the touch passes 44 * through it. 45 */ 46 ALLOW 47 } 48