public DeviceInformations(Hashtable settings)
{
// Remember
Settings = settings;
// Attach to the current application
FileInfo exe = new FileInfo(Application.ExecutablePath);
// Get the root
string root = exe.DirectoryName;
// Check for override
if (Settings.ContainsKey(PathKey))
{
// Merge
root = Path.Combine(root, (string)Settings[PathKey]);
// Remove
Settings.Remove(PathKey);
}
// Attach to the provider configuration file
FileInfo path = new FileInfo(Path.Combine(root, "DVBNetProviders.xml"));
// Process
if (path.Exists)
{
// Load the DOM from file
m_File.Load(path.FullName);
}
else
{
// Me
Type me = GetType();
// Load the DOM from resource
using (Stream providers = me.Assembly.GetManifestResourceStream(me.Namespace + ".DVBNETProviders.xml"))
{
// Load
m_File.Load(providers);
}
}
// Verify
if (!m_File.DocumentElement.Name.Equals("DVBNETProviders")) throw new ArgumentException("bad provider definition", "file");
if (!Equals(m_File.DocumentElement.GetAttribute("SchemaVersion"), "2.6")) throw new ArgumentException("invalid schema version", "file");
// All providers
foreach (XmlElement provider in m_File.DocumentElement.SelectNodes("DVBNETProvider"))
{
// Create new
DeviceInformation info = new DeviceInformation(provider);
// Register
m_Devices[info.UniqueIdentifier] = info;
}
}
public IDeviceProvider Create(DeviceInformation provider)
{
// Forward
return provider.Create(Settings);
}
public IDeviceProvider Create(DeviceInformation provider, Hashtable parameterOverwrites)
{
// Clone hashtable
Hashtable settings = new Hashtable(Settings);
// Merge
foreach (DictionaryEntry parameter in parameterOverwrites)
{
// Merge in
settings[parameter.Key] = parameter.Value;
}
// Forward
return provider.Create(settings);
}
public void ChangeActive(DeviceInformation device)
{
// No change at all
if (device == ActiveProvider) return;
// Attach to registry
using (RegistryKey key = Tools.GetConfiguration(true))
{
// Not found
if (null == key) return;
// Check
if (null == device)
{
// Store
key.SetValue("ProviderName", string.Empty);
}
else
{
// Store
key.SetValue("ProviderName", device.UniqueIdentifier);
}
}
}
