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//------------------------------------------------------------------------------
// <copyright file="XhtmlBasicImageAdapter.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System;
using System.Security.Permissions;
using System.Web.Mobile;
using System.Web.UI.MobileControls;
using System.Web.UI.MobileControls.Adapters;
#if COMPILING_FOR_SHIPPED_SOURCE
namespace System.Web.UI.MobileControls.ShippedAdapterSource.XhtmlAdapters
#else
namespace System.Web.UI.MobileControls.Adapters.XhtmlAdapters
#endif
{
/// <include file='doc\XhtmlBasicImageAdapter.uex' path='docs/doc[@for="XhtmlImageAdapter"]/*' />
[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 XhtmlImageAdapter : XhtmlControlAdapter {
/// <include file='doc\XhtmlBasicImageAdapter.uex' path='docs/doc[@for="XhtmlImageAdapter.Control"]/*' />
protected new Image Control {
get {
return base.Control as Image;
}
}
/// <include file='doc\XhtmlBasicImageAdapter.uex' path='docs/doc[@for="XhtmlImageAdapter.Render"]/*' />
public override void Render(XhtmlMobileTextWriter writer) {
string target = Control.NavigateUrl;
ConditionalClearPendingBreak(writer);
Style style = Style;
StyleFilter filter = writer.CurrentStyleClass.GetFilter(style);
if ((filter & XhtmlConstants.Layout) != 0) {
ConditionalEnterLayout(writer, style);
}
if(target != null && target.Length > 0) {
String cssClass = GetCustomAttributeValue(XhtmlConstants.CssClassCustomAttribute);
String accessKey = GetCustomAttributeValue(XhtmlConstants.AccessKeyCustomAttribute);
String title = GetCustomAttributeValue(XhtmlConstants.TitleCustomAttribute);
RenderBeginLink(writer, target, accessKey, style, cssClass, title);
}
else{
ConditionalEnterFormat(writer, style);
ConditionalRenderOpeningSpanElement(writer);
}
String controlIU = Control.ImageUrl;
if(controlIU == null || controlIU.Length == 0) {
writer.WriteEncodedText(Control.AlternateText);
}
else {
RenderImage(writer);
}
ConditionalSetPendingBreakAfterInline(writer);
if(target != null && target.Length > 0) {
RenderEndLink(writer);
}
else {
ConditionalRenderClosingSpanElement(writer);
ConditionalExitFormat(writer, style);
}
if ((filter & XhtmlConstants.Layout) != 0) {
ConditionalExitLayout(writer, style);
}
}
/// <include file='doc\XhtmlBasicImageAdapter.uex' path='docs/doc[@for="XhtmlImageAdapter.RenderImage"]/*' />
protected virtual void RenderImage(XhtmlMobileTextWriter writer) {
String source = Control.ImageUrl;
writer.WriteBeginTag("img");
if(source != null && source.Length > 0) {
source = Page.Server.UrlPathEncode(Control.ResolveUrl(source.Trim()));
writer.WriteAttribute("src", source, true);
writer.AddResource(source);
}
String alternateText = Control.AlternateText;
if (alternateText == null || alternateText.Length == 0) {
alternateText = " "; // ASURT 143759 and VSWhidbey 78593
}
writer.WriteAttribute("alt", alternateText, true);
// Review: Html adapter writes border=0 attribute, but don't need this here?
writer.Write(" />");
}
}
}
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