C++ CPVRChannelGroupPtr::GetByIndex方法代码示例

void CGUIDialogPVRChannelManager::Update()
{
  // lock our display, as this window is rendered from the player thread
  g_graphicsContext.Lock();
  m_viewControl.SetCurrentView(CONTROL_LIST_CHANNELS);

  // empty the lists ready for population
  Clear();

  CPVRChannelGroupPtr channels = g_PVRChannelGroups->GetGroupAll(m_bIsRadio);

  // No channels available, nothing to do.
  if(!channels)
    return;

  for (int iChannelPtr = 0; iChannelPtr < channels->Size(); iChannelPtr++)
  {
    CFileItemPtr channelFile = channels->GetByIndex(iChannelPtr);
    if (!channelFile || !channelFile->HasPVRChannelInfoTag())
      continue;
    const CPVRChannel *channel = channelFile->GetPVRChannelInfoTag();

    channelFile->SetProperty("ActiveChannel", !channel->IsHidden());
    channelFile->SetProperty("Name", channel->ChannelName());
    channelFile->SetProperty("UseEPG", channel->EPGEnabled());
    channelFile->SetProperty("Icon", channel->IconPath());
    channelFile->SetProperty("EPGSource", (int)0);
    channelFile->SetProperty("ParentalLocked", channel->IsLocked());
    channelFile->SetProperty("Number", StringUtils::Format("%i", channel->ChannelNumber()));

    if (channel->IsVirtual())
    {
      channelFile->SetProperty("Virtual", true);
      channelFile->SetProperty("StreamURL", channel->StreamURL());
    }

    CStdString clientName;
    if (channel->ClientID() == PVR_VIRTUAL_CLIENT_ID) /* XBMC internal */
      clientName = g_localizeStrings.Get(19209);
    else
      g_PVRClients->GetClientName(channel->ClientID(), clientName);
    channelFile->SetProperty("ClientName", clientName);

    m_channelItems->Add(channelFile);
  }

  CGUISpinControlEx *pSpin = (CGUISpinControlEx *)GetControl(SPIN_EPGSOURCE_SELECTION);
  if (pSpin)
  {
    pSpin->Clear();
    pSpin->AddLabel(g_localizeStrings.Get(19210), 0);
    /// TODO: Add Labels for EPG scrapers here
  }

  Renumber();
  m_viewControl.SetItems(*m_channelItems);
  m_viewControl.SetSelectedItem(m_iSelected);

  g_graphicsContext.Unlock();
}

void CGUIDialogPVRGuideSearch::UpdateChannelSpin(void)
{
  CGUISpinControlEx *pSpin = (CGUISpinControlEx *)GetControl(CONTROL_SPIN_CHANNELS);
  CGUISpinControlEx *pSpinGroups = (CGUISpinControlEx *)GetControl(CONTROL_SPIN_GROUPS);
  if (!pSpin || !pSpinGroups)
    return;

  int iChannelGroup = pSpin->GetValue();

  pSpin->Clear();
  pSpin->AddLabel(g_localizeStrings.Get(19217), EPG_SEARCH_UNSET);

  int iGroupId = (iChannelGroup == EPG_SEARCH_UNSET) ?
      XBMC_INTERNAL_GROUP_TV :
      iChannelGroup;
  CPVRChannelGroupPtr group = g_PVRChannelGroups->GetByIdFromAll(iGroupId);
  if (!group)
    group = g_PVRChannelGroups->GetGroupAllTV();

  for (int iChannelPtr = 0; iChannelPtr < group->Size(); iChannelPtr++)
  {
    CFileItemPtr channel = group->GetByIndex(iChannelPtr);
    if (!channel || !channel->HasPVRChannelInfoTag())
      continue;

    int iChannelNumber = group->GetChannelNumber(*channel->GetPVRChannelInfoTag());
    pSpin->AddLabel(channel->GetPVRChannelInfoTag()->ChannelName().c_str(), iChannelNumber);
  }
}

void CGUIDialogPVRGuideSearch::UpdateChannelSpin(void)
{
  int iChannelGroup = GetSpinValue(CONTROL_SPIN_GROUPS);

  std::vector< std::pair<std::string, int> > labels;
  labels.push_back(std::make_pair(g_localizeStrings.Get(19217), EPG_SEARCH_UNSET));

  CPVRChannelGroupPtr group;
  if (iChannelGroup == EPG_SEARCH_UNSET)
    group = g_PVRChannelGroups->GetGroupAll(m_searchFilter->m_bIsRadio);
  else
    group = g_PVRChannelGroups->GetByIdFromAll(iChannelGroup);

  if (!group)
    group = g_PVRChannelGroups->GetGroupAll(m_searchFilter->m_bIsRadio);

  for (int iChannelPtr = 0; iChannelPtr < group->Size(); iChannelPtr++)
  {
    CFileItemPtr channel = group->GetByIndex(iChannelPtr);
    if (!channel || !channel->HasPVRChannelInfoTag())
      continue;

    int iChannelNumber = group->GetChannelNumber(*channel->GetPVRChannelInfoTag());
    labels.push_back(std::make_pair(channel->GetPVRChannelInfoTag()->ChannelName(), iChannelNumber));
  }

  SET_CONTROL_LABELS(CONTROL_SPIN_CHANNELS, m_searchFilter->m_iChannelNumber, &labels);
}

bool CPVRManager::StartPlayback(PlaybackType type /* = PlaybackTypeAny */)
{
  bool bIsRadio(false);
  bool bReturn(false);
  bool bIsPlaying(false);
  CFileItemPtr channel;

  // check if the desired PlaybackType is already playing,
  // and if not, try to grab the last played channel of this type
  switch (type)
  {
    case PlaybackTypeRadio:
      if (IsPlayingRadio())
        bIsPlaying = true;
      else
        channel = m_channelGroups->GetGroupAllRadio()->GetLastPlayedChannel();
      bIsRadio = true;
      break;

    case PlaybackTypeTv:
      if (IsPlayingTV())
        bIsPlaying = true;
      else
        channel = m_channelGroups->GetGroupAllTV()->GetLastPlayedChannel();
      break;

    default:
      if (IsPlaying())
        bIsPlaying = true;
      else
        channel = m_channelGroups->GetLastPlayedChannel();
  }

  // we're already playing? Then nothing to do
  if (bIsPlaying)
    return true;

  // if we have a last played channel, start playback
  if (channel && channel->HasPVRChannelInfoTag())
  {
    bReturn = StartPlayback(channel->GetPVRChannelInfoTag(), false);
  }
  else
  {
    // if we don't, find the active channel group of the demanded type and play it's first channel
    CPVRChannelGroupPtr channelGroup = GetPlayingGroup(bIsRadio);
    if (channelGroup)
    {
      // try to start playback of first channel in this group
      CFileItemPtr channel = channelGroup->GetByIndex(0);
      if (channel && channel->HasPVRChannelInfoTag())
        bReturn = StartPlayback(channel->GetPVRChannelInfoTag(), false);
    }
  }

  if (!bReturn)
  {
    CLog::Log(LOGNOTICE, "PVRManager - %s - could not determine %s channel to start playback with. No last played channel found, and first channel of active group could also not be determined.", __FUNCTION__, bIsRadio ? "radio": "tv");

    CStdString msg = StringUtils::Format(g_localizeStrings.Get(19035).c_str(), g_localizeStrings.Get(bIsRadio ? 19021 : 19020).c_str()); // RADIO/TV could not be played. Check the log for details.
    CGUIDialogKaiToast::QueueNotification(CGUIDialogKaiToast::Error,
            g_localizeStrings.Get(19166), // PVR information
            msg);
  }

  return bReturn;
}