ButtonTranslator.h

/*
 *  Copyright (C) 2005-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include "input/actions/Action.h"
#include "network/EventClient.h"

#include <map>
#include <set>
#include <string>

class CKey;
class CCustomControllerTranslator;
class CTouchTranslator;
class IButtonMapper;
class IWindowKeymap;

namespace tinyxml2
{
class XMLNode;
}

class CButtonTranslator
{
  friend class EVENTCLIENT::CEventButtonState;

public:
  CButtonTranslator() = default;
  CButtonTranslator(const CButtonTranslator&) = delete;
  CButtonTranslator const& operator=(CButtonTranslator const&) = delete;
  virtual ~CButtonTranslator() = default;

  // Add/remove a HID device with custom mappings
  bool AddDevice(const std::string& strDevice);
  bool RemoveDevice(const std::string& strDevice);

  bool Load();

  void Clear();

  bool HasLongpressMapping(int window, const CKey& key);

  CAction GetAction(int window, const CKey& key, bool fallback = true);

  void RegisterMapper(const std::string& device, IButtonMapper* mapper);
  void UnregisterMapper(const IButtonMapper* mapper);

  static uint32_t TranslateString(const std::string& strMap, const std::string& strButton);

private:
  struct CButtonAction
  {
    unsigned int id;
    std::string strID; // needed for "ActivateWindow()" type actions
  };

  typedef std::multimap<uint32_t, CButtonAction> buttonMap; // our button map to fill in

  // m_translatorMap contains all mappings i.e. m_BaseMap + HID device mappings
  std::map<int, buttonMap> m_translatorMap;

  // m_deviceList contains the list of connected HID devices
  std::set<std::string> m_deviceList;

  unsigned int GetActionCode(int window, const CKey& key, std::string& strAction) const;

  void MapWindowActions(const tinyxml2::XMLNode* pWindow, int wWindowID);
  void MapAction(uint32_t buttonCode, const std::string& szAction, buttonMap& map);

  bool LoadKeymap(const std::string& keymapPath);

  bool HasLongpressMapping_Internal(int window, const CKey& key);

  std::map<std::string, IButtonMapper*> m_buttonMappers;
};