1 /* 2 * Copyright (C) 2019 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 #pragma once 18 19 #include <input/Input.h> 20 #include <bitset> 21 #include <optional> 22 23 namespace android { 24 namespace inputdispatcher { 25 26 /* Specifies which events are to be canceled and why. */ 27 struct CancelationOptions { 28 enum class Mode { 29 CANCEL_ALL_EVENTS = 0, 30 CANCEL_POINTER_EVENTS = 1, 31 CANCEL_NON_POINTER_EVENTS = 2, 32 CANCEL_FALLBACK_EVENTS = 3, 33 ftl_last = CANCEL_FALLBACK_EVENTS, 34 }; 35 36 // The criterion to use to determine which events should be canceled. 37 Mode mode; 38 39 // Descriptive reason for the cancelation. 40 const char* reason; 41 42 // The specific keycode of the key event to cancel, or nullopt to cancel any key event. 43 std::optional<int32_t> keyCode = std::nullopt; 44 45 // The specific device id of events to cancel, or nullopt to cancel events from any device. 46 std::optional<int32_t> deviceId = std::nullopt; 47 48 // The specific display id of events to cancel, or nullopt to cancel events on any display. 49 std::optional<int32_t> displayId = std::nullopt; 50 51 // The specific pointers to cancel, or nullopt to cancel all pointer events 52 std::optional<std::bitset<MAX_POINTER_ID + 1>> pointerIds = std::nullopt; 53 CancelationOptionsCancelationOptions54 CancelationOptions(Mode mode, const char* reason) : mode(mode), reason(reason) {} 55 }; 56 57 } // namespace inputdispatcher 58 } // namespace android 59