src/noarch/PriorityInput.h (acfa3fd) - Blinker · BlinkenArea

PriorityInput.h

/* Blinker
   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
   a blinkenarea.org project */

#ifndef PRIORITYINPUT_H
#define PRIORITYINPUT_H

#include <string>

#include <BlinkenLib/BlinkenFrame.h>

#include "File.h"
#include "Priority.h"
#include "SettingFile.h"
#include "StreamMgr.h"
#include "StreamRecv.h"

namespace Blinker {

/// input to priority based selector
class Priority::Input: public StreamRecv
{
public:
  /**
   * @brief constructor
   * @param[in] priority owning priority based selector
   * @param[in] name name of input (i.e. priority)
   * @param[in] dirBase base directory
   */
  Input(Priority &priority, const std::string &name,
        const Directory &dirBase);

/// virtual destructor
  virtual ~Input();

private:
  /// copy constructor disabled
  Input(const Input &that);

/// assignment operator disabled
  const Input & operator=(const Input &that);

public:
  /// check for update of configuration
  void updateConfig();

/**
   * @brief set current frame
   * @param[in] stream stream name
   * @param[in] pFrame current frame
   */
  virtual void setFrame(const std::string &stream, stBlinkenFrame *pFrame);

/**
   * @brief set current frame to none
   * @param[in] stream stream name
   */
  virtual void setNoFrame(const std::string &stream);

/**
   * @brief get current frame
   * @param[out] pFrame current frame
   * @return if a current frame exists
   */
  bool getCurFrame(stBlinkenFrame *&pFrame);

protected:
  /// get input stream and attach to it
  void getInStream();

/// detach from input stream and release it
  void releaseInStream();

/**
   * @brief set current frame
   * @param[in] pFrame current frame
   */
  void frame(stBlinkenFrame *pFrame);

/// set current frame to none
  void noFrame();

protected:
  Priority       &m_priority;    ///< owning priority based selector
  std::string    m_name;         ///< name of input (i.e. priority)
  SettingFile    m_fileInStream; ///< input stream name file
  std::string    m_nameInStream; ///< name of input stream
  Stream         *m_pInStream;   ///< input stream
  stBlinkenFrame *m_pFrame;      ///< current frame
}; // class Priority::Input

} // namespace Blinker

#endif // #ifndef PRIORITYINPUT_H

Blinker

implemented priority based selector module