Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / DeviceSpecific.cs / 1305376 / DeviceSpecific.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Diagnostics; using System.Globalization; using System.Web; using System.Web.UI; using System.Web.UI.Design.WebControls; using System.Web.Mobile; using System.Security.Permissions; namespace System.Web.UI.MobileControls { /* * DeviceSpecific object. * * Copyright (c) 2000 Microsoft Corporation */ ///[ ControlBuilderAttribute(typeof(DeviceSpecificControlBuilder)), Designer(typeof(System.Web.UI.Design.MobileControls.DeviceSpecificDesigner)), ParseChildren(false), PersistChildren(false), PersistName("DeviceSpecific"), ToolboxData("<{0}:DeviceSpecific runat=\"server\">{0}:DeviceSpecific>"), ToolboxItemFilter("System.Web.UI"), ToolboxItemFilter("System.Web.UI.MobileControls", ToolboxItemFilterType.Require), ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] [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.")] public class DeviceSpecific : Control { private DeviceSpecificChoiceCollection _choices; private DeviceSpecificChoice _selectedChoice; private bool _haveSelectedChoice; private Object _owner; /// [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ] public Object Owner { get { Debug.Assert(_owner != null, "Owner is null"); return _owner; } } internal void SetOwner(Object owner) { Debug.Assert((_owner == null || MobilePage == null || MobilePage.DesignMode), "Owner has already been set"); _owner = owner; } /// [ Browsable(false), PersistenceMode(PersistenceMode.InnerDefaultProperty) ] public DeviceSpecificChoiceCollection Choices { get { if (_choices == null) { _choices = new DeviceSpecificChoiceCollection(this); } return _choices; } } /// [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ] public bool HasTemplates { get { return (SelectedChoice != null) ? _selectedChoice.HasTemplates : false; } } /// public ITemplate GetTemplate(String templateName) { return (SelectedChoice != null) ? _selectedChoice.Templates[templateName] as ITemplate : null; } /// [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ] public DeviceSpecificChoice SelectedChoice { get { if (!_haveSelectedChoice) { _haveSelectedChoice = true; HttpContext context = HttpContext.Current; if (context == null) { return null; } MobileCapabilities caps = (MobileCapabilities)context.Request.Browser; if (_choices != null) { foreach (DeviceSpecificChoice choice in _choices) { if (choice.Evaluate(caps)) { _selectedChoice = choice; break; } } } } return _selectedChoice; } } /// [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ] public MobilePage MobilePage { get { if (Owner is Style) { return ((Style)Owner).Control.MobilePage; } else { Debug.Assert(Owner is MobileControl); return ((MobileControl)Owner).MobilePage; } } } /// protected override void AddParsedSubObject(Object obj) { DeviceSpecificChoice choice = obj as DeviceSpecificChoice; if (choice != null) { Choices.Add(choice); } } internal void ApplyProperties() { if (SelectedChoice != null) { _selectedChoice.ApplyProperties(); } } // Walk up the control parent hierarchy until we find either a // MobilePage or a UserControl. private TemplateControl _closestTemplateControl = null; internal TemplateControl ClosestTemplateControl { get { if (_closestTemplateControl == null) { Style asStyle = Owner as Style; MobileControl control = (asStyle != null) ? asStyle.Control : (MobileControl)Owner; _closestTemplateControl = control.FindContainingTemplateControl(); Debug.Assert(_closestTemplateControl != null); } return _closestTemplateControl; } } ///////////////////////////////////////////////////////////////////////// // BEGIN DESIGNER SUPPORT ///////////////////////////////////////////////////////////////////////// /// [ Browsable(false), ] public new event EventHandler Init { add { base.Init += value; } remove { base.Init -= value; } } /// [ Browsable(false), ] public new event EventHandler Load { add { base.Load += value; } remove { base.Load -= value; } } /// [ Browsable(false), ] public new event EventHandler Unload { add { base.Unload += value; } remove { base.Unload -= value; } } /// [ Browsable(false), ] public new event EventHandler PreRender { add { base.PreRender += value; } remove { base.PreRender -= value; } } /// [ Browsable(false), ] public new event EventHandler Disposed { add { base.Disposed += value; } remove { base.Disposed -= value; } } /// [ Browsable(false), ] public new event EventHandler DataBinding { add { base.DataBinding += value; } remove { base.DataBinding -= value; } } internal void SetDesignerChoice(DeviceSpecificChoice choice) { // This will enforce SelectedChoice to return current choice. _haveSelectedChoice = true; _selectedChoice = choice; } // Do not expose the Visible property in the Designer /// [ Browsable(false), Bindable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ] public override bool Visible { get { return base.Visible; } set { base.Visible = value; } } // Do not expose the EnableViewState property in the Designer /// [ Browsable(false), Bindable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ] public override bool EnableViewState { get { return base.EnableViewState; } set { base.EnableViewState = value; } } ///////////////////////////////////////////////////////////////////////// // END DESIGNER SUPPORT ///////////////////////////////////////////////////////////////////////// } /* * DeviceSpecific control builder. * * Copyright (c) 2000 Microsoft Corporation */ /// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] [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.")] public class DeviceSpecificControlBuilder : ControlBuilder { /// public override void AppendLiteralString(String text) { // Ignore. } /// public override Type GetChildControlType(String tagName, IDictionary attributes) { if (String.Compare(tagName, "Choice", StringComparison.OrdinalIgnoreCase) == 0) { return typeof(DeviceSpecificChoice); } else { throw new Exception(SR.GetString(SR.DeviceSpecific_OnlyChoiceElementsAllowed)); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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