Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web.Mobile/UI/MobileControls/Design/MobileComponentEditorPage.cs

@@ -0,0 +1,149 @@
+//------------------------------------------------------------------------------
+// <copyright file="MobileComponentEditorPage.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.Design.MobileControls 
+{
+    using System;
+    using System.Collections;
+    using System.ComponentModel;
+    using System.ComponentModel.Design;
+    using System.ComponentModel.Design.Serialization;
+    using System.Diagnostics;
+    using System.Drawing;
+    using System.Web.UI.Design;
+    using System.Web.UI.Design.MobileControls.Util;
+    using System.Web.UI.MobileControls;
+    using System.Web.UI.WebControls;
+    using System.Windows.Forms;
+    using System.Windows.Forms.Design;
+
+    using ControlDesigner = System.Web.UI.Design.ControlDesigner;
+
+    /// <summary>
+    ///   The base class for all mobile component editor pages.
+    /// </summary>
+    /// <internalonly/>
+    [
+        System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
+        Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
+    ]
+    [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
+    internal abstract class MobileComponentEditorPage : ComponentEditorPage 
+    {
+        private ControlDesigner         _designer = null;
+        private IHelpService            _helpService = null;
+        private ISite                   _site = null;
+        private MobileControl           _control = null;
+
+        protected abstract String HelpKeyword 
+        {
+            get;
+        }
+
+        protected ISite DesignerSite
+        {
+            get
+            {
+                if (_site != null)
+                {
+                    return _site;
+                }
+
+                IComponent selectedComponent = GetSelectedComponent();
+                _site = selectedComponent.Site;
+                Debug.Assert(_site != null, "Expected the component to be sited.");
+
+                return _site;
+            }
+        }
+
+        private IHelpService HelpService
+        {
+            get
+            {
+                if (_helpService != null)
+                {
+                    return _helpService;
+                }
+
+                _helpService = 
+                    (IHelpService)DesignerSite.GetService(typeof(IHelpService));
+                Debug.Assert(_helpService != null);
+
+                return _helpService;
+            }
+        }
+
+        protected MobileControl GetBaseControl()
+        {
+            if (_control != null)
+            {
+                return _control;
+            }
+
+            IComponent selectedComponent = GetSelectedComponent();
+            Debug.Assert(selectedComponent is MobileControl);
+            _control = (MobileControl)selectedComponent;
+
+            return _control;
+        }
+
+        protected ControlDesigner GetBaseDesigner() 
+        {
+            if (_designer != null)
+            {
+                return _designer;
+            }
+
+            IDesignerHost designerHost = 
+                (IDesignerHost)DesignerSite.GetService(typeof(IDesignerHost));
+            Debug.Assert(designerHost != null, "Expected a designer host.");
+
+            _designer = (ControlDesigner)designerHost.GetDesigner(GetSelectedComponent());
+
+            Debug.Assert(_designer != null, "Expected a designer for the selected component");
+
+            return _designer;
+        }
+
+        /* Removed for DCR 4240
+        protected bool IsValidName(String name)
+        {
+            return DesignerUtility.IsValidName(name);
+        }
+        */
+
+        public override void ShowHelp()
+        {
+            HelpService.ShowHelpFromKeyword(HelpKeyword);
+        }
+
+        public override bool SupportsHelp() 
+        {
+            return true;
+        }
+
+        [
+            System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
+            Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
+        ]
+        protected class LoadingModeResource : IDisposable
+        {
+            private MobileComponentEditorPage _page;
+
+            internal LoadingModeResource(MobileComponentEditorPage page)
+            {
+                _page = page;
+                _page.EnterLoadingMode();
+            }
+
+            public void Dispose()
+            {
+                _page.ExitLoadingMode();
+            }
+        }
+    }
+}