C++ CPVRChannel::Path方法代码示例

void CGUIWindowPVRGuide::UpdateSelectedItemPath()
{
  if (m_viewControl.GetCurrentControl() == GUIDE_VIEW_TIMELINE)
  {
    CGUIEPGGridContainer *epgGridContainer = (CGUIEPGGridContainer*) GetControl(m_viewControl.GetCurrentControl());
    if (epgGridContainer)
    {
      CPVRChannel* channel = epgGridContainer->GetChannel(epgGridContainer->GetSelectedChannel());
      if (channel != NULL)
        m_selectedItemPaths.at(m_bRadio) = channel->Path();
    }
  }
  else
    CGUIWindowPVRBase::UpdateSelectedItemPath();
}

int CPVRChannels::GetChannels(CFileItemList* results, int iGroupID /* = -1 */, bool bHidden /* = false */)
{
  int iAmount = 0;

  SortByChannelNumber();

  for (unsigned int ptr = 0; ptr < size(); ptr++)
  {
    CPVRChannel *channel = at(ptr);

    if (channel->IsHidden() != bHidden)
      continue;

    if (iGroupID != -1 && channel->GroupID() != iGroupID)
      continue;

    CFileItemPtr channelFile(new CFileItem(*channel));

    if (channel->IsRadio())
    {
      CMusicInfoTag* musictag = channelFile->GetMusicInfoTag();
      if (musictag)
      {
        const CPVREpgInfoTag *epgNow = channel->GetEPGNow();
        musictag->SetURL(channel->Path());
        musictag->SetTitle(epgNow->Title());
        musictag->SetArtist(channel->ChannelName());
        musictag->SetAlbumArtist(channel->ChannelName());
        musictag->SetGenre(epgNow->Genre());
        musictag->SetDuration(epgNow->GetDuration());
        musictag->SetLoaded(true);
        musictag->SetComment("");
        musictag->SetLyrics("");
      }
    }

    results->Add(channelFile);
    iAmount++;
  }
  return iAmount;
}

bool CPVRManager::UpdateItem(CFileItem& item)
{
  /* Don't update if a recording is played */
  if (item.IsPVRRecording())
    return false;

  if (!item.IsPVRChannel())
  {
    CLog::Log(LOGERROR, "CPVRManager - %s - no channel tag provided", __FUNCTION__);
    return false;
  }

  CSingleLock lock(m_critSection);
  if (!m_currentFile || *m_currentFile->GetPVRChannelInfoTag() == *item.GetPVRChannelInfoTag())
    return false;

  g_application.CurrentFileItem() = *m_currentFile;
  g_infoManager.SetCurrentItem(*m_currentFile);

  CPVRChannel* channelTag = item.GetPVRChannelInfoTag();
  CEpgInfoTag epgTagNow;
  bool bHasTagNow = channelTag->GetEPGNow(epgTagNow);

  if (channelTag->IsRadio())
  {
    CMusicInfoTag* musictag = item.GetMusicInfoTag();
    if (musictag)
    {
      musictag->SetTitle(bHasTagNow ? epgTagNow.Title() : g_localizeStrings.Get(19055));
      if (bHasTagNow)
        musictag->SetGenre(epgTagNow.Genre());
      musictag->SetDuration(bHasTagNow ? epgTagNow.GetDuration() : 3600);
      musictag->SetURL(channelTag->Path());
      musictag->SetArtist(channelTag->ChannelName());
      musictag->SetAlbumArtist(channelTag->ChannelName());
      musictag->SetLoaded(true);
      musictag->SetComment(StringUtils::EmptyString);
      musictag->SetLyrics(StringUtils::EmptyString);
    }
  }
  else
  {
    CVideoInfoTag *videotag = item.GetVideoInfoTag();
    if (videotag)
    {
      videotag->m_strTitle = bHasTagNow ? epgTagNow.Title() : g_localizeStrings.Get(19055);
      if (bHasTagNow)
        videotag->m_genre = epgTagNow.Genre();
      videotag->m_strPath = channelTag->Path();
      videotag->m_strFileNameAndPath = channelTag->Path();
      videotag->m_strPlot = bHasTagNow ? epgTagNow.Plot() : StringUtils::EmptyString;
      videotag->m_strPlotOutline = bHasTagNow ? epgTagNow.PlotOutline() : StringUtils::EmptyString;
      videotag->m_iEpisode = bHasTagNow ? epgTagNow.EpisodeNum() : 0;
    }
  }

  CPVRChannel* tagPrev = item.GetPVRChannelInfoTag();
  if (tagPrev && tagPrev->ChannelNumber() != m_LastChannel)
  {
    m_LastChannel         = tagPrev->ChannelNumber();
    m_LastChannelChanged  = XbmcThreads::SystemClockMillis();
  }
  if (XbmcThreads::SystemClockMillis() - m_LastChannelChanged >= (unsigned int) g_guiSettings.GetInt("pvrplayback.channelentrytimeout") && m_LastChannel != m_PreviousChannel[m_PreviousChannelIndex])
     m_PreviousChannel[m_PreviousChannelIndex ^= 1] = m_LastChannel;
  else
    m_LastChannelChanged = XbmcThreads::SystemClockMillis();

  return false;
}

bool CPVRManager::UpdateItem(CFileItem& item)
{
  /* Don't update if a recording is played */
  if (item.IsPVRRecording())
    return false;

  if (!item.IsPVRChannel())
  {
    CLog::Log(LOGERROR, "CPVRManager - %s - no channel tag provided", __FUNCTION__);
    return false;
  }

  CSingleLock lock(m_critSection);
  if (!m_currentFile || *m_currentFile->GetPVRChannelInfoTag() == *item.GetPVRChannelInfoTag())
    return false;

  g_application.CurrentFileItem() = *m_currentFile;
  g_infoManager.SetCurrentItem(*m_currentFile);

  CPVRChannel* channelTag = item.GetPVRChannelInfoTag();
  CEpgInfoTag epgTagNow;
  bool bHasTagNow = channelTag->GetEPGNow(epgTagNow);

  if (channelTag->IsRadio())
  {
    CMusicInfoTag* musictag = item.GetMusicInfoTag();
    if (musictag)
    {
      musictag->SetTitle(bHasTagNow ?
          epgTagNow.Title() :
          g_guiSettings.GetBool("epg.hidenoinfoavailable") ?
              StringUtils::EmptyString :
              g_localizeStrings.Get(19055)); // no information available
      if (bHasTagNow)
        musictag->SetGenre(epgTagNow.Genre());
      musictag->SetDuration(bHasTagNow ? epgTagNow.GetDuration() : 3600);
      musictag->SetURL(channelTag->Path());
      musictag->SetArtist(channelTag->ChannelName());
      musictag->SetAlbumArtist(channelTag->ChannelName());
      musictag->SetLoaded(true);
      musictag->SetComment(StringUtils::EmptyString);
      musictag->SetLyrics(StringUtils::EmptyString);
    }
  }
  else
  {
    CVideoInfoTag *videotag = item.GetVideoInfoTag();
    if (videotag)
    {
      videotag->m_strTitle = bHasTagNow ?
          epgTagNow.Title() :
          g_guiSettings.GetBool("epg.hidenoinfoavailable") ?
              StringUtils::EmptyString :
              g_localizeStrings.Get(19055); // no information available
      if (bHasTagNow)
        videotag->m_genre = epgTagNow.Genre();
      videotag->m_strPath = channelTag->Path();
      videotag->m_strFileNameAndPath = channelTag->Path();
      videotag->m_strPlot = bHasTagNow ? epgTagNow.Plot() : StringUtils::EmptyString;
      videotag->m_strPlotOutline = bHasTagNow ? epgTagNow.PlotOutline() : StringUtils::EmptyString;
      videotag->m_iEpisode = bHasTagNow ? epgTagNow.EpisodeNum() : 0;
    }
  }

  return false;
}

bool CPVRManager::PerformChannelSwitch(CPVRChannel &channel, bool bPreview)
{
  // check parental lock state
  if (IsParentalLocked(channel))
    return false;

  // invalid channel
  if (channel.ClientID() < 0)
    return false;

  // check whether we're waiting for a previous switch to complete
  {
    CSingleLock lock(m_critSection);
    if (m_bIsSwitchingChannels)
    {
      CLog::Log(LOGDEBUG, "PVRManager - %s - can't switch to channel '%s'. waiting for the previous switch to complete",
          __FUNCTION__, channel.ChannelName().c_str());
      return false;
    }

    // no need to do anything except switching m_currentFile
    if (bPreview)
    {
      delete m_currentFile;
      m_currentFile = new CFileItem(channel);
      return true;
    }

    m_bIsSwitchingChannels = true;
  }

  CLog::Log(LOGDEBUG, "PVRManager - %s - switching to channel '%s'", __FUNCTION__, channel.ChannelName().c_str());

  // will be deleted by CPVRChannelSwitchJob::DoWork()
  CFileItem* previousFile = m_currentFile;
  m_currentFile = NULL;

  bool bSwitched(false);

  // switch channel
  if (!m_addons->SwitchChannel(channel))
  {
    // switch failed
    CSingleLock lock(m_critSection);
    m_bIsSwitchingChannels = false;

    CLog::Log(LOGERROR, "PVRManager - %s - failed to switch to channel '%s'", __FUNCTION__, channel.ChannelName().c_str());

    std::string msg = StringUtils::Format(g_localizeStrings.Get(19035).c_str(), channel.ChannelName().c_str()); // CHANNELNAME could not be played. Check the log for details.
    CGUIDialogKaiToast::QueueNotification(CGUIDialogKaiToast::Error,
        g_localizeStrings.Get(19166), // PVR information
        msg);
  }
  else
  {
    // switch successful
    bSwitched = true;

    // save previous and load new channel's settings (view mode is updated in 
    // the player)
    g_application.SaveFileState();
    g_application.LoadVideoSettings(channel.Path());
    
    // set channel as selected item
    CGUIWindowPVRBase::SetSelectedItemPath(channel.IsRadio(), channel.Path());

    UpdateLastWatched(channel);

    CSingleLock lock(m_critSection);
    m_currentFile = new CFileItem(channel);
    m_bIsSwitchingChannels = false;

    CLog::Log(LOGNOTICE, "PVRManager - %s - switched to channel '%s'", __FUNCTION__, channel.ChannelName().c_str());
  }

  // announce OnStop and OnPlay. yes, this ain't pretty
  {
    CSingleLock lock(m_critSectionTriggers);
    m_pendingUpdates.push_back(new CPVRChannelSwitchJob(previousFile, m_currentFile));
  }
  m_triggerEvent.Set();

  return bSwitched;
}