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Prabir Pradhanbaa5c822019-08-30 15:27:05 -07001/*
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
Prabir Pradhan48108662022-09-09 21:22:04 +000017#pragma once
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070018
19#include "TouchInputMapper.h"
Harry Cutts2d77f552022-11-07 12:10:56 +000020#include "accumulator/MultiTouchMotionAccumulator.h"
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070021
22namespace android {
23
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070024class MultiTouchInputMapper : public TouchInputMapper {
25public:
Arpit Singh56adebc2023-04-25 13:56:05 +000026 template <class T, class... Args>
27 friend std::unique_ptr<T> createInputMapper(InputDeviceContext& deviceContext,
28 const InputReaderConfiguration& readerConfig,
29 Args... args);
30
Michael Wright227c5542020-07-02 18:30:52 +010031 ~MultiTouchInputMapper() override;
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070032
Siarhei Vishniakou2935db72022-09-22 13:35:22 -070033 [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
34 [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070035
36protected:
Michael Wright227c5542020-07-02 18:30:52 +010037 void syncTouch(nsecs_t when, RawState* outState) override;
38 void configureRawPointerAxes() override;
39 bool hasStylus() const override;
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070040
41private:
Arpit Singh56adebc2023-04-25 13:56:05 +000042 explicit MultiTouchInputMapper(InputDeviceContext& deviceContext,
43 const InputReaderConfiguration& readerConfig);
Prabir Pradhanf4d65b12022-02-10 07:15:38 -080044 // simulate_stylus_with_touch is a debug mode that converts all finger pointers reported by this
45 // mapper's touchscreen into stylus pointers, and adds SOURCE_STYLUS to the input device.
46 // It is used to simulate stylus events for debugging and testing on a device that does not
47 // support styluses. It can be enabled using
48 // "adb shell setprop persist.debug.input.simulate_stylus_with_touch true",
49 // and requires a reboot to take effect.
50 inline bool shouldSimulateStylusWithTouch() const;
51
arthurhungcc7f9802020-04-30 17:55:40 +080052 // If the slot is in use, return the bit id. Return std::nullopt otherwise.
53 std::optional<int32_t> getActiveBitId(const MultiTouchMotionAccumulator::Slot& inSlot);
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070054 MultiTouchMotionAccumulator mMultiTouchMotionAccumulator;
55
56 // Specifies the pointer id bits that are in use, and their associated tracking id.
57 BitSet32 mPointerIdBits;
58 int32_t mPointerTrackingIdMap[MAX_POINTER_ID + 1];
Prabir Pradhan5d0d97d2022-11-17 01:06:01 +000059
60 bool mStylusMtToolSeen{false};
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070061};
62
63} // namespace android