#21391: Fixed layout and shape rendering from background processes.

src/Orchard.Web/Modules/Orchard.Layouts/Services/ContentDisplayBase.cs

@@ -109,9 +109,9 @@ namespace Orchard.Layouts.Services {
         private void BindPlacement(BuildShapeContext context, string displayType, string stereotype) {
             context.FindPlacement = (partShapeType, differentiator, defaultLocation) => {
                 var workContext = _workContextAccessor.GetContext(_requestContext.HttpContext);
-                var theme = workContext.CurrentTheme;
-                var shapeTable = _shapeTableLocator.Value.Lookup(theme.Id);
-                var request = _requestContext.HttpContext.Request;
+                var shapeTable = workContext.HttpContext != null
+                    ? _shapeTableLocator.Value.Lookup(workContext.CurrentTheme.Id)
+                    : _shapeTableLocator.Value.Lookup(null);
 
                 ShapeDescriptor descriptor;
                 if (shapeTable.Descriptors.TryGetValue(partShapeType, out descriptor)) {

src/Orchard/ContentManagement/DefaultContentDisplay.cs

@@ -154,8 +154,7 @@ namespace Orchard.ContentManagement {
         /// <summary>
         /// Gets the current app-relative path, i.e. ~/my-blog/foo.
         /// </summary>
-        private string GetPath()
-        {
+        private string GetPath() {
             return VirtualPathUtility.AppendTrailingSlash(_virtualPathProvider.ToAppRelative(_requestContext.HttpContext.Request.Path));
         }
     }

src/Orchard/DisplayManagement/Descriptors/ShapeTemplateStrategy/ShapeTemplateBindingStrategy.cs

@@ -169,6 +169,8 @@ namespace Orchard.DisplayManagement.Descriptors.ShapeTemplateStrategy {
                 context.ViewContext.ViewData = new ViewDataDictionary(context.Value);
                 context.ViewContext.TempData = new TempDataDictionary();
                 context.ViewContext.View = viewResult.View;
+                context.ViewContext.RouteData = controllerContext.RouteData;
+                context.ViewContext.RequestContext.RouteData = controllerContext.RouteData;
                 viewResult.View.Render(context.ViewContext, sw);
                 viewResult.ViewEngine.ReleaseView(controllerContext, viewResult.View);
                 return new HtmlString(sw.GetStringBuilder().ToString());

src/Orchard/Mvc/MvcModule.cs

@@ -83,7 +83,7 @@ namespace Orchard.Mvc {
         }
 
         /// <summary>
-        /// standin context for background tasks.
+        /// Standin context for background tasks.
         /// </summary>
         class HttpContextPlaceholder : HttpContextBase {
             private readonly Lazy<string> _baseUrl;
@@ -124,6 +124,12 @@ namespace Orchard.Mvc {
             public override string ApplyAppPathModifier(string virtualPath) {
                 return virtualPath;
             }
+
+            public override HttpCookieCollection Cookies {
+                get {
+                    return new HttpCookieCollection();
+                }
+            }
         }
 
         /// <summary>
@@ -158,7 +164,7 @@ namespace Orchard.Mvc {
 
             public override NameValueCollection Headers {
                 get {
-                    return new NameValueCollection {{"Host", _uri.Authority}};
+                    return new NameValueCollection { { "Host", _uri.Authority } };
                 }
             }
 
@@ -184,10 +190,44 @@ namespace Orchard.Mvc {
                 }
             }
 
+            public override HttpCookieCollection Cookies {
+                get {
+                    return new HttpCookieCollection();
+                }
+            }
+
             public override bool IsLocal {
                 get { return true; }
             }
 
+            public override string Path {
+                get { return "/"; }
+            }
+
+            public override string UserAgent {
+                get {
+                    return "Placeholder";
+                }
+            }
+
+            public override HttpBrowserCapabilitiesBase Browser {
+                get {
+                    return new HttpBrowserCapabilitiesPlaceholder();
+                }
+            }
+        }
+
+        class HttpBrowserCapabilitiesPlaceholder : HttpBrowserCapabilitiesBase {
+            public override string this[string key] {
+                get {
+                    return "";
+                }
+            }
+
+            public override bool IsMobileDevice { get { return false; } }
+            public override string Browser { get { return "Placeholder"; } }
+            public override bool Cookies { get { return true; } }
+            public override ArrayList Browsers { get { return new ArrayList(); } }
         }
     }
 }