ttxpagestream.cpp

#include "ttxpagestream.h"

TTXPageStream::TTXPageStream() :
    _isCarousel(false),
    _transitionTime(0),
        _CarouselPage(NULL),
        _fileStatus(NEW),
        _isSpecial(false),
        _updateCount(0)
{
    //ctor
}

TTXPageStream::TTXPageStream(std::string filename) :
    TTXPage(filename),
    _isCarousel(false),
    _transitionTime(0),
        _CarouselPage(NULL),
        _fileStatus(NEW),
        _isSpecial(false),
        _updateCount(0)
{
  struct stat attrib;               // create a file attribute structure
  stat(filename.c_str(), &attrib);  // get the attributes of the file
	_modifiedTime=attrib.st_mtime;
}

TTXPageStream::~TTXPageStream()
{
    //dtor
}

TTXLine* TTXPageStream::GetTxRow(uint8_t row)
{
  // Return a line OR NULL if the row does not exist
  TTXLine* line=NULL;
  if (IsCarousel())
  {
    line=_CarouselPage->GetRow(row);
  }
  else // single page
  {
    line=GetRow(row); // _lineCounter is implied
  }
  if (line!=NULL) // Found a line
  {
    // std::cerr << " (R" << (int)row << ") ";
    return line;
  }
  // No more lines? return NULL.
  // std::cerr << " GetNextRow " << _lineCounter << std::endl;
  return NULL;
}

void TTXPageStream::StepNextSubpageNoLoop()
{
    if (_CarouselPage==NULL)
        _CarouselPage=this;
    else
        _CarouselPage=_CarouselPage->Getm_SubPage();
}

void TTXPageStream::StepNextSubpage()
{
	StepNextSubpageNoLoop();
	if (_CarouselPage==NULL) // Last carousel subpage? Loop to beginning
		_CarouselPage=this;
}

void TTXPageStream::printList()
{
  std::cerr << "DUMP TODO" << std::endl;
}

bool TTXPageStream::LoadPage(std::string filename)
{
  bool Loaded=false;
    // std::cerr << "[TTXPage] file constructor loading " << filename<< std::endl;
    //m_Init(); // Careful! We should move inits to the initialisation list and call the default constructor
  m_PageNumber=FIRSTPAGE; // Force to replace the root page rather than add to the carousel
  if (m_LoadTTI(filename))
      Loaded=true;
  return Loaded;
}

bool TTXPageStream::operator==(const TTXPageStream& rhs) const
{
  // std::cerr << "operator overloaded == " << rhs.GetSourcePage();
  if (this->GetSourcePage()==rhs.GetSourcePage())
    return true;
  return false;
}

void TTXPageStream::IncrementUpdateCount(){
    _updateCount = (_updateCount + 1) % 8;
}