64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "TouchInputMapper.h"
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#include "accumulator/MultiTouchMotionAccumulator.h"
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namespace android {
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class MultiTouchInputMapper : public TouchInputMapper {
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public:
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template <class T, class... Args>
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friend std::unique_ptr<T> createInputMapper(InputDeviceContext& deviceContext,
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const InputReaderConfiguration& readerConfig,
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Args... args);
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explicit MultiTouchInputMapper(InputDeviceContext& deviceContext,
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const InputReaderConfiguration& readerConfig);
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~MultiTouchInputMapper() override;
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[[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override;
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[[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override;
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protected:
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void syncTouch(nsecs_t when, RawState* outState) override;
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void configureRawPointerAxes() override;
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bool hasStylus() const override;
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private:
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// simulate_stylus_with_touch is a debug mode that converts all finger pointers reported by this
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// mapper's touchscreen into stylus pointers, and adds SOURCE_STYLUS to the input device.
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// It is used to simulate stylus events for debugging and testing on a device that does not
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// support styluses. It can be enabled using
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// "adb shell setprop persist.debug.input.simulate_stylus_with_touch true",
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// and requires a reboot to take effect.
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inline bool shouldSimulateStylusWithTouch() const;
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// If the slot is in use, return the bit id. Return std::nullopt otherwise.
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std::optional<int32_t> getActiveBitId(const MultiTouchMotionAccumulator::Slot& inSlot);
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MultiTouchMotionAccumulator mMultiTouchMotionAccumulator;
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// Specifies the pointer id bits that are in use, and their associated tracking id.
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BitSet32 mPointerIdBits;
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int32_t mPointerTrackingIdMap[MAX_POINTER_ID + 1];
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bool mStylusMtToolSeen{false};
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};
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} // namespace android
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