/// <summary>
/// Unregisters an application as a candidate for a default program in the current system. This can only be applied machine-wide, not per user.
/// </summary>
/// <param name="defaultProgram">The default program information to be removed.</param>
/// <param name="accessPoint">Indicates that the program was set as the current default for the service it provides.</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="defaultProgram"/> is invalid.</exception>
public static void Unregister([NotNull] Store.Model.Capabilities.DefaultProgram defaultProgram, bool accessPoint = false)
{
#region Sanity checks
if (defaultProgram == null)
{
throw new ArgumentNullException("defaultProgram");
}
#endregion
if (string.IsNullOrEmpty(defaultProgram.ID))
{
throw new InvalidDataException("Missing ID");
}
if (string.IsNullOrEmpty(defaultProgram.Service))
{
throw new InvalidDataException("Missing Service");
}
using (var serviceKey = Registry.LocalMachine.OpenSubKey(RegKeyMachineClients + @"\" + defaultProgram.Service, writable: true))
{
if (accessPoint)
{
// TODO: Restore previous default
}
// Remove appropriate purpose flag and check if there are others
bool otherFlags;
using (var appKey = serviceKey.OpenSubKey(defaultProgram.ID, writable: true))
{
if (appKey == null)
{
otherFlags = false;
}
else
{
appKey.DeleteValue(accessPoint ? FileType.PurposeFlagAccessPoint : FileType.PurposeFlagCapability, throwOnMissingValue: false);
otherFlags = appKey.GetValueNames().Any(name => name.StartsWith(FileType.PurposeFlagPrefix));
}
}
// Delete app key if there are no other references
if (!otherFlags)
{
try
{
serviceKey.DeleteSubKeyTree(defaultProgram.ID);
}
#region Error handling
catch (ArgumentException)
{
// Ignore missing registry keys
}
#endregion
}
}
}
/// <summary>
/// Unregisters an application as a candidate for a default program in the current system. This can only be applied machine-wide, not per user.
/// </summary>
/// <param name="defaultProgram">The default program information to be removed.</param>
/// <param name="machineWide">Apply the registration machine-wide instead of just for the current user.</param>
/// <param name="accessPoint">Indicates that the program was set as the current default for the service it provides.</param>
/// <exception cref="IOException">A problem occurs while writing to the filesystem.</exception>
/// <exception cref="UnauthorizedAccessException">Write access to the filesystem is not permitted.</exception>
/// <exception cref="InvalidDataException">The data in <paramref name="defaultProgram"/> is invalid.</exception>
public static void Unregister([NotNull] Store.Model.Capabilities.DefaultProgram defaultProgram, bool machineWide, bool accessPoint = false)
{
#region Sanity checks
if (defaultProgram == null)
{
throw new ArgumentNullException(nameof(defaultProgram));
}
#endregion
if (string.IsNullOrEmpty(defaultProgram.ID))
{
throw new InvalidDataException("Missing ID");
}
if (string.IsNullOrEmpty(defaultProgram.Service))
{
throw new InvalidDataException("Missing Service");
}
// TODO: Implement
}
/// <summary>
/// Registers an application as a candidate for a default program for some service in the current system.
/// </summary>
/// <param name="target">The application being integrated.</param>
/// <param name="defaultProgram">The default program information to be registered.</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>
/// <param name="accessPoint">Indicates that the program should be set as the current default for the service it provides.</param>
/// <exception cref="OperationCanceledException">The user canceled the task.</exception>
/// <exception cref="IOException">A problem occurs while writing to the filesystem.</exception>
/// <exception cref="WebException">A problem occured while downloading additional data (such as icons).</exception>
/// <exception cref="UnauthorizedAccessException">Write access to the filesystem is not permitted.</exception>
/// <exception cref="InvalidDataException">The data in <paramref name="defaultProgram"/> is invalid.</exception>
public static void Register(FeedTarget target, [NotNull] Store.Model.Capabilities.DefaultProgram defaultProgram, bool machineWide, [NotNull] ITaskHandler handler, bool accessPoint = false)
{
#region Sanity checks
if (defaultProgram == null)
{
throw new ArgumentNullException("defaultProgram");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
#endregion
if (string.IsNullOrEmpty(defaultProgram.ID))
{
throw new InvalidDataException("Missing ID");
}
if (string.IsNullOrEmpty(defaultProgram.Service))
{
throw new InvalidDataException("Missing Service");
}
// TODO: Implement
}
/// <summary>
/// Registers an application as a candidate for a default program for some service in the current system. This can only be applied machine-wide, not per user.
/// </summary>
/// <param name="target">The application being integrated.</param>
/// <param name="defaultProgram">The default program information to be registered.</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>
/// <param name="accessPoint">Indicates that the program should be set as the current default for the service it provides.</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="defaultProgram"/> is invalid.</exception>
public static void Register(FeedTarget target, [NotNull] Store.Model.Capabilities.DefaultProgram defaultProgram, [NotNull] ITaskHandler handler, bool accessPoint = false)
{
#region Sanity checks
if (defaultProgram == null)
{
throw new ArgumentNullException("defaultProgram");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
#endregion
if (string.IsNullOrEmpty(defaultProgram.ID))
{
throw new InvalidDataException("Missing ID");
}
if (string.IsNullOrEmpty(defaultProgram.Service))
{
throw new InvalidDataException("Missing Service");
}
using (var serviceKey = Registry.LocalMachine.CreateSubKeyChecked(RegKeyMachineClients + @"\" + defaultProgram.Service))
{
using (var appKey = serviceKey.CreateSubKeyChecked(defaultProgram.ID))
{
// Add flag to remember whether created for capability or access point
appKey.SetValue(accessPoint ? FileType.PurposeFlagAccessPoint : FileType.PurposeFlagCapability, "");
appKey.SetValue("", target.Feed.Name);
FileType.RegisterVerbCapability(appKey, target, defaultProgram, true, handler);
// Set callbacks for Windows SPAD
using (var installInfoKey = appKey.CreateSubKeyChecked(RegSubKeyInstallInfo))
{
string exePath = Path.Combine(Locations.InstallBase, "0install-win.exe").EscapeArgument();
installInfoKey.SetValue(RegValueReinstallCommand, exePath + " integrate-app --machine --batch --add=defaults " + target.Uri.ToStringRfc().EscapeArgument());
installInfoKey.SetValue(RegValueShowIconsCommand, exePath + " integrate-app --machine --batch --add=icons " + target.Uri.ToStringRfc().EscapeArgument());
installInfoKey.SetValue(RegValueHideIconsCommand, exePath + " integrate-app --machine --batch --remove=icons " + target.Uri.ToStringRfc().EscapeArgument());
installInfoKey.SetValue(RegValueIconsVisible, 0, RegistryValueKind.DWord);
}
if (defaultProgram.Service == Store.Model.Capabilities.DefaultProgram.ServiceMail)
{
var mailToProtocol = new Store.Model.Capabilities.UrlProtocol {
Verbs = { new Verb {
Name = Verb.NameOpen
} }
};
using (var mailToKey = appKey.CreateSubKeyChecked(@"Protocols\mailto"))
FileType.RegisterVerbCapability(mailToKey, target, mailToProtocol, true, handler);
}
}
if (accessPoint)
{
serviceKey.SetValue("", defaultProgram.ID);
}
}
}
/// <summary>
/// Toggles the registry entry indicating whether icons for the application are currently visible.
/// </summary>
/// <param name="defaultProgram">The default program information to be modified.</param>
/// <param name="iconsVisible"><see langword="true"/> if the icons are currently visible, <see langword="false"/> if the icons are currently not visible.</param>
internal static void ToggleIconsVisible(Store.Model.Capabilities.DefaultProgram defaultProgram, bool iconsVisible)
{
using (var installInfoKey = Registry.LocalMachine.OpenSubKeyChecked(RegKeyMachineClients + @"\" + defaultProgram.Service + @"\" + defaultProgram.ID + @"\" + RegSubKeyInstallInfo, writable: true))
installInfoKey.SetValue(RegValueIconsVisible, iconsVisible ? 1 : 0, RegistryValueKind.DWord);
}
