private void UnsubscribeToDpiChanged()
{
if (_dpiChangedWeakEventListener != null)
{
var dpiChangedListener = _dpiChangedWeakEventListener;
_dpiChangedWeakEventListener = null;
CompatUtility.ExecuteOnUIThread(dpiChangedListener.Detach, Dispatcher);
}
}
override void OnApplyTemplate()
{
base.OnApplyTemplate();
// Get a reference to the templated parts
_image = GetTemplateChild("Image") as Image;
if (_image == null)
{
throw new Exception("Missing 'Image' Template part.");
}
// Initialize default swatch dpi with the view dpi
_swatchDpi = CompatUtility.IsDesignMode ? 96.0 : CompatUtility.LogicalDpi(this);
}
/// <summary>
/// Stop listening for the dependency property changed.
/// </summary>
public void Detach()
{
if (_relayObject != null)
{
CompatUtility.ExecuteOnUIThread(() =>
{
if (_relayObject != null)
{
_relayObject.Dispose();
_relayObject = null;
}
}, _relayObject.Dispatcher);
}
}
/// <summary>
/// Challenge for getting the credential allowing to access to the specified ArcGIS resource.
/// </summary>
/// <param name="credentialRequestInfo">Information about the ArcGIS resource that needs a credential for getting access to.</param>
/// <returns>a Task object with <see cref="Credential"/> upon successful completion.
/// Otherwise, the Task.Exception is set.</returns>
public virtual Task <Credential> CreateCredentialAsync(CredentialRequestInfo credentialRequestInfo)
{
if (credentialRequestInfo == null)
{
throw new ArgumentNullException("credentialRequestInfo");
}
var serverInfo = IdentityManager.Current.FindServerInfo(credentialRequestInfo.ServiceUri);
if (credentialRequestInfo.AuthenticationType == AuthenticationType.Certificate)
{
// Challenge for a certificate
return(CompatUtility.ExecuteOnUIThread(() => CreateCertificateCredentialAsync(credentialRequestInfo)));
}
// Check if we need to use OAuth for login.
// In this case we don't have to display the SignInDialog by ourself but we have to go through the OAuth authorization page
bool isOauth = false;
if (serverInfo != null && credentialRequestInfo.AuthenticationType == AuthenticationType.Token)
{
if (serverInfo.TokenAuthenticationType != TokenAuthenticationType.ArcGISToken)
{
isOauth = true; // portal secured by OAuth
}
else if (!string.IsNullOrEmpty(serverInfo.OwningSystemUri))
{
// server federated to OAuth portal?
// Check if the portal uses OAuth
isOauth = IdentityManager.Current.ServerInfos.Any(s => SameOwningSystem(s, serverInfo) && s.TokenAuthenticationType != TokenAuthenticationType.ArcGISToken);
}
}
if (isOauth)
{
// OAuth case --> call GenerateCredentialAsync (that will throw an exception if the OAuthAuthorize component is not set)
return(CreateOAuthCredentialAsync(credentialRequestInfo));
}
// Display the sign in dialog and create a credential
return(SignInDialogCreateCredentialAsync(credentialRequestInfo));
}
/// <summary>
/// Challenge handler leaveraging the SignInDialog in a child window dialog.
/// </summary>
public Task <Credential> CreateCredentialAsync(CredentialRequestInfo credentialRequestInfo)
{
return(CompatUtility.ExecuteOnUIThread(() => DoSignInInUIThread(credentialRequestInfo)));
}
private void OnSwatchDpiChanged(double newValue)
{
_swatchDpi = newValue > 0.0 ? newValue : CompatUtility.LogicalDpi(this);
SetDirty();
}
