public bool TryGetInfo(IViewController controller, out IPresentInfo info)
{
if (_controllerMap.TryGetValue(controller, out var result))
{
info = result;
return true;
}
info = null;
return false;
}
private static string GetMessage(IPresentInfo controllerInfo, string message)
{
if (controllerInfo is null)
{
throw new ArgumentNullException(nameof(controllerInfo));
}
if (string.IsNullOrEmpty(message))
{
return($"Failed to present controller {controllerInfo.ControllerType.Name}.");
}
else
{
return($"Failed to present controller {controllerInfo.ControllerType.Name}: {message}.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PresentException"/> class.
/// </summary>
public PresentException(IPresentInfo controllerInfo, Exception innerException)
: base(GetMessage(controllerInfo, null), innerException)
{
_controllerType = controllerInfo.ControllerType;
}
/// <summary>
/// Initializes a new instance of the <see cref="PresentException"/> class.
/// </summary>
public PresentException(IPresentInfo controllerInfo, string message)
: base(GetMessage(controllerInfo, message))
{
_controllerType = controllerInfo.ControllerType;
}
/// <summary>
/// Initializes a new instance of the <see cref="PresentException"/> class.
/// </summary>
public PresentException(IPresentInfo presentInfo)
: base(GetMessage(presentInfo, null))
{
_controllerType = presentInfo.ControllerType;
}
/// <summary>
/// Initializes a new instance of the <see cref="PresentCompletedEventArgs"/> class.
/// </summary>
public PresentCompletedEventArgs(IPresentInfo controllerInfo, Exception error, bool cancelled)
: base(error, cancelled || error is OperationCanceledException, controllerInfo)
{
PresentInfo = controllerInfo;
}