/// <summary>
/// Private helper to fire <see cref="ForgetRequested"/>.
/// </summary>
private Task FireForgetRequested()
{
RequestForgetDescriptorEventArgs args = new RequestForgetDescriptorEventArgs(this);
ForgetRequested?.Invoke(this, args);
return(args.DeferAsync());
}
/// <summary>
/// Intended to be registered as a handler for <see cref="StoredFileDescriptor.ForgetRequested"/>.
/// </summary>
/// <param name="sender">The descriptor being deleted.</param>
/// <param name="e">Unused.</param>
private async void ForgetRequestedHandler(StoredFileDescriptor sender, RequestForgetDescriptorEventArgs args)
{
// Ask the user whether they consent/understand the deletion
if (!sender.IsAppOwned || await this.deletePrompter.PromptYesNoAsync())
{
// Delete from access list if appropriate
if (this.accessList.ContainsItem(sender.Token))
{
this.accessList.Remove(sender.Token);
}
// Update ViewModel's data list
this.data.Remove(sender);
// If this represents a proxy, delete it
if (sender.IsAppOwned)
{
// Delete the proxy
await this.proxyProvider.TryDeleteProxyAsync(sender.Metadata);
}
}
}
