LinuxInputDevices.h

/*
 *      Copyright (C) 2005-2013 Team XBMC
 *      http://xbmc.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with XBMC; see the file COPYING.  If not, see
 *  <http://www.gnu.org/licenses/>.
 *
 */
#ifndef LINUXINPUTDEVICES_H_
#define LINUXINPUTDEVICES_H_

#include <vector>
#include <string>
#include <deque>
#include "windowing/XBMC_events.h"
#include "input/XBMC_keyboard.h"
#include "threads/SingleLock.h"
#include "input/touch/ITouchInputHandler.h"
#include "input/touch/generic/IGenericTouchGestureDetector.h"

struct KeymapEntry
{
  int code;
  unsigned short base;
  unsigned short shift;
  unsigned short alt;
  unsigned short altShift;
};

class CLinuxInputDevice
{
public:
  CLinuxInputDevice(const std::string& fileName, int index);
  ~CLinuxInputDevice();
  XBMC_Event ReadEvent();
  const std::string& GetFileName();
  bool IsUnplugged();
 
private:
  void SetupKeyboardAutoRepeat(int fd);
  XBMCKey TranslateKey(unsigned short code);
  bool KeyEvent(const struct input_event& levt, XBMC_Event& devt);
  bool RelEvent(const struct input_event& levt, XBMC_Event& devt);
  bool AbsEvent(const struct input_event& levt, XBMC_Event& devt);
  bool TranslateEvent(const struct input_event& levt, XBMC_Event& devt);
  void SetLed(int led, int state);
  void GetInfo(int fd);
  bool Open();
  void Close();
  unsigned short KeyboardReadValue(unsigned char table, unsigned char index);
  XBMCMod UpdateModifiers(XBMC_Event& devt);
  bool GetKeymapEntry(KeymapEntry& entry);
  int KeyboardGetSymbol(unsigned short value);
  bool mtAbsEvent(const struct input_event& levt);
  bool mtSynEvent(const struct input_event& levt);

  int m_fd;
  int m_vt_fd;
  bool m_hasLeds;
  std::string m_fileName;
  bool m_ledState[3];
  int m_mouseX;
  int m_mouseY;
  int m_deviceIndex;
  int m_keyMods;
  int m_lastKeyMods;
  char m_deviceName[256];
  int m_deviceType;
  int m_devicePreferredId;
  int m_deviceCaps;
  int m_deviceMinKeyCode;
  int m_deviceMaxKeyCode;
  int m_deviceMaxAxis;
  bool m_bSkipNonKeyEvents;
  bool m_bUnplugged;
  std::deque<XBMC_Event> m_equeue;
  int m_mt_currentSlot;
  int m_mt_x[TOUCH_MAX_POINTERS];
  int m_mt_y[TOUCH_MAX_POINTERS];
  TouchInput m_mt_event[TOUCH_MAX_POINTERS];
};

class CLinuxInputDevices
{
public:
  void InitAvailable();
  void CheckHotplugged();
  XBMC_Event ReadEvent();
  bool IsRemoteLowBattery();
  bool IsRemoteNotPaired();
  size_t Size() { return m_devices.size(); }
private:
  CCriticalSection m_devicesListLock;
  bool CheckDevice(const char *device);
  std::vector<CLinuxInputDevice*> m_devices;
  bool m_bReInitialize;
  time_t m_lastHotplugCheck;
};

#endif /* LINUXINPUTDEVICES_H_ */