private void mpButtonScanTv_Click(object sender, EventArgs e)
{
if (_isScanning == false)
{
mpComboBoxTuningMode.Enabled = false;
TvBusinessLayer layer = new TvBusinessLayer();
Card card = layer.GetCardByDevicePath(RemoteControl.Instance.CardDevice(_cardNumber));
if (card.Enabled == false)
{
MessageBox.Show(this, "Tuner is disabled. Please enable the tuner before scanning.");
return;
}
if (!RemoteControl.Instance.CardPresent(card.IdCard))
{
MessageBox.Show(this, "Tuner is not found. Please make sure the tuner is present before scanning.");
return;
}
// Check if the card is locked for scanning.
IUser user;
if (RemoteControl.Instance.IsCardInUse(_cardNumber, out user))
{
MessageBox.Show(this,
"Tuner is locked. Scanning is not possible at the moment. Perhaps you are using another part of a hybrid card?");
return;
}
SimpleFileName tuningFile = (SimpleFileName)mpComboBoxFrequencies.SelectedItem;
_atscChannels = (List <ATSCTuning>)fileFilters.LoadList(tuningFile.FileName, typeof(List <ATSCTuning>));
if (_atscChannels == null)
{
return;
}
Thread scanThread = new Thread(DoScan);
scanThread.Name = "ATSC scan thread";
scanThread.Start();
listViewStatus.Items.Clear();
}
else
{
_stopScanning = true;
}
}
private void InitScanProcess()
{
// once completed reset to new beginning
switch (scanState)
{
case ScanState.Done:
scanState = ScanState.Initialized;
listViewStatus.Items.Clear();
SetButtonState();
return;
case ScanState.Initialized:
// common checks
TvBusinessLayer layer = new TvBusinessLayer();
Card card = layer.GetCardByDevicePath(RemoteControl.Instance.CardDevice(_cardNumber));
if (card.Enabled == false)
{
MessageBox.Show(this, "Tuner is disabled. Please enable the tuner before scanning.");
return;
}
if (!RemoteControl.Instance.CardPresent(card.IdCard))
{
MessageBox.Show(this, "Tuner is not found. Please make sure the tuner is present before scanning.");
return;
}
// Check if the card is locked for scanning.
IUser user;
if (RemoteControl.Instance.IsCardInUse(_cardNumber, out user))
{
MessageBox.Show(this,
"Tuner is locked. Scanning is not possible at the moment. Perhaps you are using another part of a hybrid card?");
return;
}
SetButtonState();
ShowActiveGroup(1); // force progess visible
// End common checks
listViewStatus.Items.Clear();
// Scan type dependent handling
_dvbcChannels.Clear();
switch (ActiveScanType)
{
// use tuning details from file
case ScanTypes.Predefined:
CustomFileName tuningFile = (CustomFileName)mpComboBoxRegion.SelectedItem;
_dvbcChannels = (List <DVBCTuning>)fileFilters.LoadList(tuningFile.FileName, typeof(List <DVBCTuning>));
if (_dvbcChannels == null)
{
_dvbcChannels = new List <DVBCTuning>();
}
break;
// scan Network Information Table for transponder info
case ScanTypes.NIT:
_dvbcChannels.Clear();
DVBCChannel tuneChannel = GetManualTuning();
listViewStatus.Items.Clear();
string line = String.Format("Scan freq:{0} {1} symbolrate:{2} ...", tuneChannel.Frequency,
tuneChannel.ModulationType, tuneChannel.SymbolRate);
ListViewItem item = listViewStatus.Items.Add(new ListViewItem(line));
item.EnsureVisible();
IChannel[] channels = RemoteControl.Instance.ScanNIT(_cardNumber, tuneChannel);
if (channels != null)
{
for (int i = 0; i < channels.Length; ++i)
{
DVBCChannel ch = (DVBCChannel)channels[i];
_dvbcChannels.Add(ch.TuningInfo);
item = listViewStatus.Items.Add(new ListViewItem(ch.TuningInfo.ToString()));
item.EnsureVisible();
}
}
ListViewItem lastItem =
listViewStatus.Items.Add(
new ListViewItem(String.Format("Scan done, found {0} transponders...", _dvbcChannels.Count)));
lastItem.EnsureVisible();
// automatically save list for re-use
SaveTransponderList();
break;
// scan only single inputted transponder
case ScanTypes.SingleTransponder:
DVBCChannel singleTuneChannel = GetManualTuning();
_dvbcChannels.Add(singleTuneChannel.TuningInfo);
break;
}
if (_dvbcChannels.Count != 0)
{
StartScanThread();
}
else
{
scanState = ScanState.Done;
SetButtonState();
}
break;
case ScanState.Scanning:
scanState = ScanState.Cancel;
SetButtonState();
break;
case ScanState.Cancel:
return;
}
}