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51 lines
1.5 KiB
51 lines
1.5 KiB
4 months ago
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/*
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* Copyright (C) 2018 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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#ifndef CAR_KEVENTREADER_INPUTSOURCE
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#define CAR_KEVENTREADER_INPUTSOURCE
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#include <linux/input.h>
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#include <optional>
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#include <string>
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#include "event.h"
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namespace com::android::car::keventreader {
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class InputSource {
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public:
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explicit InputSource(const char* file);
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explicit operator bool() const;
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int descriptor() const;
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std::optional<com::android::car::keventreader::KeypressEvent> read() const;
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virtual ~InputSource();
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private:
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struct kevent : public ::input_event {
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kevent();
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bool isKeypress() const;
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bool isKeydown() const;
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bool isKeyup() const;
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};
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static_assert(sizeof(kevent) == sizeof(::input_event), "do not add data to input_event");
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std::string mFilePath;
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int mDescriptor;
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};
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}
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#endif //CAR_KEVENTREADER_INPUTSOURCE
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