/// <summary>
/// Removes application registration from the current system.
/// </summary>
/// <param name="appRegistration">The registration information to be removed.</param>
/// <param name="machineWide">Apply the registration machine-wide instead of just for the current user.</param>
/// <exception cref="IOException">A problem occurs while writing to the filesystem or registry.</exception>
/// <exception cref="UnauthorizedAccessException">Write access to the filesystem or registry is not permitted.</exception>
/// <exception cref="InvalidDataException">The data in <paramref name="appRegistration"/>.</exception>
public static void Unregister([NotNull] Store.Model.Capabilities.AppRegistration appRegistration, bool machineWide)
{
#region Sanity checks
if (appRegistration == null)
{
throw new ArgumentNullException("appRegistration");
}
#endregion
if (string.IsNullOrEmpty(appRegistration.ID))
{
throw new InvalidDataException("Missing ID");
}
if (string.IsNullOrEmpty(appRegistration.CapabilityRegPath))
{
throw new InvalidDataException("Invalid CapabilityRegPath");
}
var hive = machineWide ? Registry.LocalMachine : Registry.CurrentUser;
using (var regAppsKey = hive.OpenSubKey(RegKeyMachineRegisteredApplications, writable: true))
{
if (regAppsKey != null)
{
regAppsKey.DeleteValue(appRegistration.ID, throwOnMissingValue: false);
}
}
// TODO: Handle appRegistration.X64
try
{
hive.DeleteSubKeyTree(/*CapabilityPrefix +*/ appRegistration.CapabilityRegPath);
}
#region Error handling
catch (ArgumentException)
{
// Ignore missing registry keys
}
#endregion
}
/// <summary>
/// Applies application registration to the current system.
/// </summary>
/// <param name="target">The application being integrated.</param>
/// <param name="appRegistration">The registration information to be applied.</param>
/// <param name="verbCapabilities">The capabilities that the application is to be registered with.</param>
/// <param name="machineWide">Apply the registration machine-wide instead of just for the current user.</param>
/// <param name="handler">A callback object used when the the user is to be informed about the progress of long-running operations such as downloads.</param>
/// <exception cref="OperationCanceledException">The user canceled the task.</exception>
/// <exception cref="IOException">A problem occurs while writing to the filesystem or registry.</exception>
/// <exception cref="WebException">A problem occured while downloading additional data (such as icons).</exception>
/// <exception cref="UnauthorizedAccessException">Write access to the filesystem or registry is not permitted.</exception>
/// <exception cref="InvalidDataException">The data in <paramref name="appRegistration"/> or <paramref name="verbCapabilities"/> is invalid.</exception>
public static void Register(FeedTarget target, [NotNull] Store.Model.Capabilities.AppRegistration appRegistration, IEnumerable <VerbCapability> verbCapabilities, bool machineWide, [NotNull] ITaskHandler handler)
{
#region Sanity checks
if (appRegistration == null)
{
throw new ArgumentNullException(nameof(appRegistration));
}
if (verbCapabilities == null)
{
throw new ArgumentNullException(nameof(verbCapabilities));
}
if (handler == null)
{
throw new ArgumentNullException(nameof(handler));
}
#endregion
if (string.IsNullOrEmpty(appRegistration.ID))
{
throw new InvalidDataException("Missing ID");
}
if (string.IsNullOrEmpty(appRegistration.CapabilityRegPath))
{
throw new InvalidDataException("Invalid CapabilityRegPath");
}
var hive = machineWide ? Registry.LocalMachine : Registry.CurrentUser;
// TODO: Handle appRegistration.X64
using (var capabilitiesKey = hive.CreateSubKeyChecked(/*CapabilityPrefix +*/ appRegistration.CapabilityRegPath))
{
capabilitiesKey.SetValue(RegValueAppName, target.Feed.Name ?? "");
capabilitiesKey.SetValue(RegValueAppDescription, target.Feed.Descriptions.GetBestLanguage(CultureInfo.CurrentUICulture) ?? "");
// Set icon if available
var icon = target.Feed.GetIcon(Icon.MimeTypeIco);
if (icon != null)
{
capabilitiesKey.SetValue(RegValueAppIcon, IconProvider.GetIconPath(icon, handler, machineWide) + ",0");
}
using (var fileAssocsKey = capabilitiesKey.CreateSubKeyChecked(RegSubKeyFileAssocs))
{
foreach (var fileType in verbCapabilities.OfType <Store.Model.Capabilities.FileType>().Except(x => string.IsNullOrEmpty(x.ID)))
{
foreach (var extension in fileType.Extensions.Except(x => string.IsNullOrEmpty(x.Value)))
{
fileAssocsKey.SetValue(extension.Value, FileType.RegKeyPrefix + fileType.ID);
}
}
}
using (var urlAssocsKey = capabilitiesKey.CreateSubKeyChecked(RegSubKeyUrlAssocs))
{
foreach (var urlProtocol in verbCapabilities.OfType <Store.Model.Capabilities.UrlProtocol>())
{
foreach (var prefix in urlProtocol.KnownPrefixes)
{
urlAssocsKey.SetValue(prefix.Value, FileType.RegKeyPrefix + urlProtocol.ID);
}
}
}
using (var startMenuKey = capabilitiesKey.CreateSubKeyChecked(RegSubKeyStartMenu))
{
foreach (var defaultProgram in verbCapabilities.OfType <Store.Model.Capabilities.DefaultProgram>().Except(x => string.IsNullOrEmpty(x.ID) || string.IsNullOrEmpty(x.Service)))
{
startMenuKey.SetValue(defaultProgram.Service, defaultProgram.ID);
}
}
}
using (var regAppsKey = hive.CreateSubKeyChecked(RegKeyMachineRegisteredApplications))
regAppsKey.SetValue(appRegistration.ID, /*CapabilityPrefix +*/ appRegistration.CapabilityRegPath);
}
