102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
/*
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* Copyright (C) 2010 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 _INIT_KEYCHORDS_H_
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#define _INIT_KEYCHORDS_H_
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#include <functional>
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#include <map>
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#include <string>
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#include <vector>
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#include "epoll.h"
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namespace android {
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namespace init {
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class Keychords {
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public:
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Keychords();
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Keychords(const Keychords&) = delete;
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Keychords(Keychords&&) = delete;
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Keychords& operator=(const Keychords&) = delete;
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Keychords& operator=(Keychords&&) = delete;
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~Keychords() noexcept;
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int GetId(const std::vector<int>& keycodes);
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void Start(Epoll* epoll, std::function<void(int)> handler);
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private:
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// Bit management
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class Mask {
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public:
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explicit Mask(size_t bit = 0);
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void SetBit(size_t bit, bool value = true);
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bool GetBit(size_t bit) const;
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size_t bytesize() const;
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void* data();
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size_t size() const;
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void resize(size_t bit);
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operator bool() const;
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Mask operator&(const Mask& rval) const;
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void operator|=(const Mask& rval);
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private:
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typedef unsigned int mask_t;
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static constexpr size_t kBitsPerByte = 8;
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std::vector<mask_t> bits_;
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};
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struct Entry {
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Entry(const std::vector<int>& keycodes, int id);
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const std::vector<int> keycodes;
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const int id;
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bool notified;
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};
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static constexpr char kDevicePath[] = "/dev/input";
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void LambdaCheck();
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void LambdaHandler(int fd);
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void InotifyHandler();
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bool GeteventEnable(int fd);
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void GeteventOpenDevice(const std::string& device);
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void GeteventOpenDevice();
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void GeteventCloseDevice(const std::string& device);
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Epoll* epoll_;
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std::function<void(int)> handler_;
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std::map<std::string, int> registration_;
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int count_;
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std::vector<Entry> entries_;
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Mask current_;
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int inotify_fd_;
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};
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} // namespace init
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} // namespace android
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#endif
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