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 #ifndef _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H 18 #define _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H 19 20 #include "Monitor.h" 21 #include "TouchedWindow.h" 22 23 namespace android { 24 25 namespace gui { 26 class WindowInfoHandle; 27 } 28 29 namespace inputdispatcher { 30 31 struct TouchState { 32 bool down = false; 33 bool split = false; 34 bool preventNewTargets = false; 35 36 // id of the device that is currently down, others are rejected 37 int32_t deviceId = -1; 38 // source of the device that is current down, others are rejected 39 uint32_t source = 0; 40 // id to the display that currently has a touch, others are rejected 41 int32_t displayId = ADISPLAY_ID_NONE; 42 43 std::vector<TouchedWindow> windows; 44 45 TouchState() = default; 46 ~TouchState() = default; 47 TouchState& operator=(const TouchState&) = default; 48 49 void reset(); 50 void addOrUpdateWindow(const sp<android::gui::WindowInfoHandle>& windowHandle, 51 int32_t targetFlags, BitSet32 pointerIds); 52 void removeWindowByToken(const sp<IBinder>& token); 53 void filterNonAsIsTouchWindows(); 54 void filterWindowsExcept(const sp<IBinder>& token); 55 sp<android::gui::WindowInfoHandle> getFirstForegroundWindowHandle() const; 56 bool isSlippery() const; 57 sp<android::gui::WindowInfoHandle> getWallpaperWindow() const; 58 sp<android::gui::WindowInfoHandle> getWindow(const sp<IBinder>&) const; 59 }; 60 61 } // namespace inputdispatcher 62 } // namespace android 63 64 #endif // _UI_INPUT_INPUTDISPATCHER_TOUCHSTATE_H 65