} // default constructor
public DownloadEventArgs(UiDvbStpEnhancedDownloader downloader)
{
Downloader = downloader;
} // constructor
public UiBroadcastDiscovery Download(Form ownerForm, UiServiceProvider serviceProvider, UiBroadcastDiscovery currentUiDiscovery, bool fromCache, bool?highDefinitionPriority = null)
{
UiBroadcastDiscovery uiDiscovery;
try
{
uiDiscovery = null;
if (fromCache)
{
OnBeforeCacheLoad(this, EventArgs.Empty);
var cachedDiscovery = AppUiConfiguration.Current.Cache.LoadXmlDocument <UiBroadcastDiscovery>("UiBroadcastDiscovery", serviceProvider.Key);
OnAfterCacheLoad(this, new CacheEventArgs(cachedDiscovery));
if (cachedDiscovery != null)
{
uiDiscovery = cachedDiscovery.Document;
}
} // if
if (uiDiscovery == null)
{
OnBeforeDownload(this, EventArgs.Empty);
var downloader = new UiDvbStpEnhancedDownloader()
{
Request = new UiDvbStpEnhancedDownloadRequest(2)
{
MulticastAddress = IPAddress.Parse(serviceProvider.Offering.Push[0].Address),
MulticastPort = serviceProvider.Offering.Push[0].Port,
Description = Properties.Texts.BroadcastObtainingList,
DescriptionParsing = Properties.Texts.BroadcastParsingList,
AllowXmlExtraWhitespace = false,
XmlNamespaceReplacer = NamespaceUnification.Replacer,
#if DEBUG
DumpToFolder = AppUiConfiguration.Current.Folders.Cache
#endif
},
TextUserCancelled = Properties.Texts.UserCancelListRefresh,
TextDownloadException = Properties.Texts.BroadcastListUnableRefresh,
};
downloader.Request.AddPayload(0x02, null, Properties.Texts.Payload02DisplayName, typeof(BroadcastDiscoveryRoot));
downloader.Request.AddPayload(0x05, null, Properties.Texts.Payload05DisplayName, typeof(PackageDiscoveryRoot));
downloader.Download(ownerForm);
OnAfterDownload(this, new DownloadEventArgs(downloader));
if (!downloader.IsOk)
{
return(null);
}
var xmlDiscovery = downloader.Request.Payloads[0].XmlDeserializedData as BroadcastDiscoveryRoot;
uiDiscovery = new UiBroadcastDiscovery(xmlDiscovery, serviceProvider.DomainName, downloader.Request.Payloads[0].SegmentVersion);
OnBeforeMerge(this, new MergeEventArgs(uiDiscovery, currentUiDiscovery));
UiBroadcastDiscoveryMergeResultDialog.Merge(ownerForm, currentUiDiscovery, uiDiscovery);
OnAfterMerge(this, new MergeEventArgs(uiDiscovery, currentUiDiscovery));
var packageDiscovery = downloader.Request.Payloads[1].XmlDeserializedData as PackageDiscoveryRoot;
highDefinitionPriority = highDefinitionPriority.HasValue ? highDefinitionPriority.Value : !AppUiConfiguration.Current.User.ChannelNumberStandardDefinitionPriority;
OnBeforeAssignNumbers(this, new AssignNumbersArgs(uiDiscovery, packageDiscovery, serviceProvider, highDefinitionPriority.Value));
UiServicesLogicalNumbers.AssignLogicalNumbers(uiDiscovery, packageDiscovery, serviceProvider.DomainName, highDefinitionPriority.Value);
OnAfterAssignNumbers(this, new AssignNumbersArgs(uiDiscovery, packageDiscovery, serviceProvider, highDefinitionPriority.Value));
AppUiConfiguration.Current.Cache.SaveXml("PackageDiscovery", serviceProvider.Key, 0, packageDiscovery);
AppUiConfiguration.Current.Cache.SaveXml("UiBroadcastDiscovery", serviceProvider.Key, uiDiscovery.Version, uiDiscovery);
} // if
return(uiDiscovery);
}
catch (Exception ex)
{
OnHandleException(this, new HandleExceptionEventArgs(ownerForm, null, Properties.Texts.BroadcastListUnableRefresh, ex));
return(null);
} // try-catch
} // Download
