/// <summary>
/// Returns a 16 by 16 icon that indicates a particular state of downloading the enclosure.
/// </summary>
/// <param name="state">Enclosure download state.</param>
/// <returns>The icon (the same instance for the same parameters).</returns>
public static Icon GetEnclosureStateIcon(EnclosureDownloadState state)
{
if (!Core.UserInterfaceAP.IsOwnerThread)
{
throw new InvalidOperationException("This method must be accessed only from the User Interface Async Processor thread.");
}
// Load the icons on the first call
if (_arEnclosureStateIcons == null)
{
_arEnclosureStateIcons = new Icon[5];
String[] sNames = new[] { "NotDownloaded", "Planned", "Completed", "Failed", "InProgress" };
for (int a = 0; a < sNames.Length; a++)
{
_arEnclosureStateIcons[a] = RSSPlugin.LoadIconFromAssembly(string.Format("download{0}.ico", sNames[a]));
}
}
// Range check
if ((state < EnclosureDownloadState.MinValue) || (state >= EnclosureDownloadState.MaxValue))
{
throw new ArgumentException("The enclosure download state is out of range.");
}
// Hand out the icon
return(_arEnclosureStateIcons[(int)state]);
}
public void GetItemHtml(IResource item, TextWriter writer)
{
TextWriterDecor decor = new TextWriterDecor(writer);
////////////////////////
// Prepare the strings
/*
* // Date — date/time of this item
* string sDate;
* DateTime date = item.GetDateProp( Core.Props.Date );
* if( date.Date == DateTime.Today )
* sDate = "Today " + date.ToShortTimeString();
* else
* sDate = date.ToShortDateString() + ' ' + date.ToShortTimeString();
*
* // Origin — name of the feed author, etc
* string sOrigin = "";
* if( item.HasProp( Core.ContactManager.Props.LinkFrom ) )
* sOrigin = HttpUtility.HtmlEncode( item.GetPropText( Core.ContactManager.Props.LinkFrom ) );
*
* //////////
* // Title
* writer.WriteLine( "<div class=\"title\">" );
* GenericNewspaperProvider.RenderIcon( item, writer ); // Icon
* RssBodyConstructor.AppendLink( item, decor, true ); // Title text & link
* writer.WriteLine( "<em class=\"Origin\">{0}{2}{1}</em>", sOrigin, sDate, ((sOrigin.Length > 0) && (sDate.Length > 0) ? " — " : "") ); // Origin (feed name) & Date
* writer.WriteLine( "</div>" ); // class=title
*
* GenericNewspaperProvider.RenderFlag( item, writer ); // Flag (optional)
* GenericNewspaperProvider.RenderAnnotation( item, writer ); // Annotation (optional)
*
* writer.WriteLine( "<br class=\"clear\" />" );
*/
// TODO: remove
IResource feed = item.GetLinkProp(-Props.RSSItem);
GenericNewspaperProvider.RenderCaption(item, writer);
//////////////
// Item Body
writer.WriteLine("<div>");
if (feed != null && feed.HasProp(Props.URL))
{
writer.WriteLine(HtmlTools.FixRelativeLinks(item.GetPropText(Core.Props.LongBody), feed.GetStringProp("URL")));
}
else
{
writer.WriteLine(item.GetPropText(Core.Props.LongBody));
}
writer.WriteLine("</div>");
// Enclosure info
if (item.HasProp(Props.EnclosureURL))
{
writer.Write("<p class=\"Origin\"><span title=\"Enclosure is an attachment to the RSS feed item.\">Enclosure</span>");
// Specify the enclosure size, if available
if (item.HasProp(Props.EnclosureSize))
{
writer.Write(" ({0})", Utils.SizeToString(item.GetIntProp(Props.EnclosureSize)));
}
writer.Write(": ");
// Add a link to the locally-saved enclosure file
string sDownloadComment = null; // Will contain an optional download comment
if (item.HasProp(Props.EnclosureDownloadingState))
{
// Choose the tooltip text and whether the icon will be clickable, depending on the state
string sText = null;
bool bLink = false;
EnclosureDownloadState nEnclosureDownloadState = (EnclosureDownloadState)item.GetIntProp(Props.EnclosureDownloadingState);
switch (nEnclosureDownloadState)
{
case EnclosureDownloadState.Completed:
sText = "The enclosure has been downloaded to your computer.\nClick to open the local file.";
bLink = true;
break;
case EnclosureDownloadState.Failed:
sText = "Failed to download the enclosure.\nUse the Web link to download manually.";
break;
case EnclosureDownloadState.InProgress:
sText = "Downloading the enclosure, please wait…\nClick to open the partially-downloaded file.";
// Write percentage to the comment
if (item.HasProp(Props.EnclosureDownloadedSize))
{
if (item.HasProp(Props.EnclosureSize)) // The total size is available, as needed for the percentage
{
sDownloadComment = String.Format("({0}%)", item.GetIntProp(Props.EnclosureDownloadedSize) * 100 / item.GetIntProp(Props.EnclosureSize));
}
else // The total size is not available, percentage not available, show the size downloaded
{
sDownloadComment = String.Format("({0} downloaded so far)", Utils.SizeToString(item.GetIntProp(Props.EnclosureDownloadedSize)));
}
}
bLink = true;
break;
case EnclosureDownloadState.NotDownloaded:
sText = "The enclosure has not been downloaded.\nUse the Web link to download manually.";
break;
case EnclosureDownloadState.Planned:
sText = "The enclosure has been schedulled for download.\nUse the Web link to download manually.";
sDownloadComment = "(0%)";
break;
default:
throw new Exception("Unexpected enclosure download state.");
}
// Ensure that there's the path to the local file specified, if we're going to provide a link to it
if ((bLink) && (!item.HasProp(Props.EnclosureTempFile)))
{
Trace.WriteLine("Warning: path to the downloaded or in-progress enclosure is missing, though the downloading state implies on it should be present.");
bLink = false;
}
// Open the link (if available)
if (bLink)
{
writer.Write("<a href=\"{0}\">", "file://" + HttpUtility.HtmlEncode(item.GetStringProp(Props.EnclosureTempFile)));
}
// Render the icon
Icon icon = EnclosureDownloadManager.GetEnclosureStateIcon(nEnclosureDownloadState);
writer.Write("<img src=\"{0}\" align=\"top\" width=\"{1}\" height=\"{2}\" alt=\"{3}\" title=\"{3}\" />", FavIconManager.GetIconFile(icon, "EnclosureDownload", null, true), icon.Width, icon.Height, sText, sText);
// Close the link
if (bLink)
{
writer.Write("</a>");
}
writer.Write(" ");
}
// Add a link to the Web location of the enclosure
writer.Write("<a href=\"{0}\">", HttpUtility.HtmlEncode(item.GetStringProp(Props.EnclosureURL)));
if (_iconEnclosureWeb == null)
{
_iconEnclosureWeb = RSSPlugin.LoadIconFromAssembly("BlogExtensionComposer.Submit.ico");
}
writer.Write("<img src=\"{0}\" align=\"top\" width=\"{1}\" height=\"{2}\" alt=\"{3}\" title=\"{3}\" /> ", FavIconManager.GetIconFile(_iconEnclosureWeb, "EnclosureWeb", null, true), _iconEnclosureWeb.Width, _iconEnclosureWeb.Height, "Download enclosure from the Web.");
writer.Write("</a>");
// Add the optional download comment
if (sDownloadComment != null)
{
writer.Write(" ");
}
writer.Write(sDownloadComment);
// Close the paragraph
writer.WriteLine("</p>");
}
// Link to the Source
RssBodyConstructor.AppendSourceTag(item, decor);
// Link to the comments
if (item.HasProp(Props.CommentURL))
{
decor.AppendText("<p class=\"Origin\">");
RssBodyConstructor.AppendCommentsTag(item, decor);
writer.WriteLine("</p>");
}
}