public ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache) {
var viewResult = _themeAwareViewEngine.FindPartialView(controllerContext, viewName, useCache, true);
if (viewResult.View == null) {
return viewResult;
}
if (!ThemeFilter.IsApplied(controllerContext.RequestContext)) {
return viewResult;
}
var layoutView = new LayoutView((viewContext, writer, viewDataContainer) => {
Logger.Information("Rendering layout view");
var childContentWriter = new HtmlStringWriter();
var childContentViewContext = new ViewContext(
viewContext,
viewContext.View,
viewContext.ViewData,
viewContext.TempData,
childContentWriter);
viewResult.View.Render(childContentViewContext, childContentWriter);
_workContext.Layout.Metadata.ChildContent = childContentWriter;
var display = _displayHelperFactory.CreateHelper(viewContext, viewDataContainer);
IHtmlString result = display(_workContext.Layout);
writer.Write(result.ToHtmlString());
Logger.Information("Done rendering layout view");
}, (context, view) => viewResult.ViewEngine.ReleaseView(context, viewResult.View));
return new ViewEngineResult(layoutView, this);
}
private IHtmlString PerformInvoke(DisplayContext displayContext, MethodInfo methodInfo, object serviceInstance) {
var output = new HtmlStringWriter();
var arguments = methodInfo.GetParameters()
.Select(parameter => BindParameter(displayContext, parameter, output));
var returnValue = methodInfo.Invoke(serviceInstance, arguments.ToArray());
if (methodInfo.ReturnType != typeof(void)) {
output.Write(CoerceHtmlString(returnValue));
}
return output;
}
private IHtmlString PerformInvoke(DisplayContext displayContext, MethodInfo methodInfo, object serviceInstance)
{
var output = new HtmlStringWriter();
var arguments = methodInfo.GetParameters()
.Select(parameter => BindParameter(displayContext, parameter, output));
try {
var returnValue = methodInfo.Invoke(serviceInstance, arguments.ToArray());
if (methodInfo.ReturnType != typeof(void)) {
output.Write(CoerceHtmlString(returnValue));
}
return output;
}
catch(TargetInvocationException e) {
// Throwing a TIE here will probably kill the web process
// in Azure. For unknown reasons.
throw e.InnerException;
}
}