Added meta tag registration and rendering for theming.

--HG--
extra : convert_revision : svn%3A5ff7c347-ad56-4c35-b696-ccb81de16e03/trunk%4044210

src/Orchard/Mvc/Html/LayoutExtensions.cs

@@ -28,7 +28,7 @@ namespace Orchard.Mvc.Html {
 
             pageTitleBuilder.AddTitleParts(titleParts);
 
-            return MvcHtmlString.Create(pageTitleBuilder.GenerateTitle());
+            return MvcHtmlString.Create(html.Encode(pageTitleBuilder.GenerateTitle()));
         }
 
         public static void Zone<TModel>(this HtmlHelper<TModel> html, string zoneName, string partitions) where TModel : BaseViewModel {
@@ -51,6 +51,10 @@ namespace Orchard.Mvc.Html {
             html.Zone(zoneName, () => html.RenderBody());
         }
 
+        public static void RegisterMeta(this HtmlHelper html, string name, string content) {
+            html.Resolve<IResourceManager>().RegisterMeta(name, content);
+        }
+
         public static void RegisterStyle(this HtmlHelper html, string fileName) {
             html.Resolve<IResourceManager>().RegisterStyle(fileName);
         }
@@ -58,5 +62,9 @@ namespace Orchard.Mvc.Html {
         public static void RegisterScript(this HtmlHelper html, string fileName) {
             html.Resolve<IResourceManager>().RegisterHeadScript(fileName);
         }
+
+        public static void RegisterFootScript(this HtmlHelper html, string fileName) {
+            html.Resolve<IResourceManager>().RegisterFootScript(fileName);
+        }
     }
 }

src/Orchard/UI/Resources/IResourceManager.cs

@@ -2,9 +2,11 @@ using System.Web.Mvc;
 
 namespace Orchard.UI.Resources {
     public interface IResourceManager : IDependency {
+        void RegisterMeta(string name, string content);
         void RegisterStyle(string fileName);
         void RegisterHeadScript(string fileName);
         void RegisterFootScript(string fileName);
+        MvcHtmlString GetMetas();
         MvcHtmlString GetStyles();
         MvcHtmlString GetHeadScripts();
         MvcHtmlString GetFootScripts();

src/Orchard/UI/Resources/ResourceFilter.cs

@@ -14,6 +14,7 @@ namespace Orchard.UI.Resources {
             BaseViewModel model = filterContext.Controller.ViewData.Model as BaseViewModel;
 
             if (model != null) {
+                model.Zones.AddAction("head:metas", html => html.ViewContext.HttpContext.Response.Output.Write(_resourceManager.GetMetas()));
                 model.Zones.AddAction("head:styles", html => html.ViewContext.HttpContext.Response.Output.Write(_resourceManager.GetStyles()));
                 model.Zones.AddAction("head:scripts", html => html.ViewContext.HttpContext.Response.Output.Write(_resourceManager.GetHeadScripts()));
                 model.Zones.AddAction("body:after", html => html.ViewContext.HttpContext.Response.Output.Write(_resourceManager.GetFootScripts()));

src/Orchard/UI/Resources/ResourceManager.cs

@@ -9,8 +9,10 @@ namespace Orchard.UI.Resources {
     public class ResourceManager : IResourceManager {
         private readonly IThemeService _themeService;
         private readonly IExtensionManager _extensionManager;
+        private const string MetaFormat = "\r\n<meta name=\"{0}\" content=\"{1}\" />";
         private const string StyleFormat = "\r\n<link rel=\"stylesheet\" type=\"text/css\" href=\"{0}\" />";
         private const string ScriptFormat = "\r\n<script type=\"text/javascript\" src=\"{0}\"></script>";
+        private readonly Dictionary<string, string> _metas;
         private readonly List<string> _styles;
         private readonly List<string> _headScripts;
         private readonly List<string> _footScripts;
@@ -19,29 +21,39 @@ namespace Orchard.UI.Resources {
             IExtensionManager extensionManager) {
             _themeService = themeService;
             _extensionManager = extensionManager;
-            _styles = new List<string>();
+            //TODO: (erikpo) Not sure if generator should be initialized here or somewhere else
-            _headScripts = new List<string>();
+            _metas = new Dictionary<string, string>(20) {{"generator", "Orchard"}};
-            _footScripts = new List<string>();
+            _styles = new List<string>(10);
+            _headScripts = new List<string>(10);
+            _footScripts = new List<string>(5);
+        }
+
+        public void RegisterMeta(string name, string content) {
+            if (!string.IsNullOrEmpty(name) && !_metas.ContainsKey(name))
+                _metas.Add(name, content);
         }
 
         public void RegisterStyle(string fileName) {
-            //TODO: (erikpo) Figure out best storage here
             if (!string.IsNullOrEmpty(fileName) && !_styles.Contains(fileName))
                 _styles.Add(fileName);
         }
 
         public void RegisterHeadScript(string fileName) {
-            //TODO: (erikpo) Figure out best storage here
             if (!string.IsNullOrEmpty(fileName) && !_headScripts.Contains(fileName) && !_footScripts.Contains(fileName))
                 _headScripts.Add(fileName);
         }
 
         public void RegisterFootScript(string fileName) {
-            //TODO: (erikpo) Figure out best storage here
             if (!string.IsNullOrEmpty(fileName) && !_headScripts.Contains(fileName) && !_footScripts.Contains(fileName))
                 _footScripts.Add(fileName);
         }
 
+        public MvcHtmlString GetMetas() {
+            return
+                MvcHtmlString.Create(string.Join("\r\n",
+                                                 _metas.Select(m => string.Format(MetaFormat, m.Key, m.Value)).ToArray()));
+        }
+
         public MvcHtmlString GetStyles() {
             return GetFiles(_styles, StyleFormat, s => GetThemePath("/styles/" + s));
         }