/// <summary>
/// assemble an html string for the web browser to display the contents of the selected feed item
/// </summary>
/// <returns></returns>
public string BuildHtmlForSelectedItem(RssItem item)
{
string html;
// is your preview window not showing up? Make sure the PreviewEnabled setting
// is set to "true" in the Settings.xml configuration file.
// retrieve the HTML from the included file
using (var stream = Application.GetResourceStream(new Uri("Resources/preview.html", UriKind.Relative)).Stream)
using (var reader = new StreamReader(stream))
{
html = reader.ReadToEnd();
}
// replace bits of the HTML via tokens with data from our settings and selected feed item
var content = item.Content;
if (content.Trim().Length == 0)
{
content = AppResources.NoFeedContent;
}
html = html.Replace("{{body.foreground}}", ForegroundColor);
html = html.Replace("{{body.background}}", BackgroundColor);
html = html.Replace("{{head.title}}", item.Title);
html = html.Replace("{{body.content}}", content);
return html;
}
public void LoadRssFeed(XDocument doc, RssFeed feed)
{
SetMediaImage(feed, doc);
feed.Description = doc.Root.Element("channel").GetSafeElementString("description");
feed.Items = new ObservableCollection<RssItem>();
feed.Link = doc.Root.Element("channel").GetSafeElementString("link");
foreach (var item in doc.Descendants("item"))
{
var newItem = new RssItem()
{
Title = item.GetSafeElementString("title"),
Link = item.GetSafeElementString("link"),
Description = item.GetSafeElementString("description"),
PublishDate = item.GetSafeElementDate("pubDate"),
Guid = item.GetSafeElementString("guid")
};
var content = item.Descendants(NS_RSSCONTENT + "encoded");
foreach (var xElement in content)
{
newItem.Content = xElement.Value;
}
feed.Items.Add(newItem);
}
var lastItem = feed.Items.OrderByDescending(i => i.PublishDate).FirstOrDefault();
if (lastItem != null)
{
feed.LastBuildDate = lastItem.PublishDate;
}
}
public void NavigateToFeedItem(RssItem selectedItem)
{
if (selectedItem == null)
{
return;
}
var item = this.rssFeed.Items.FirstOrDefault(x => x.Guid == selectedItem.Guid);
ParameterSink.Parameter = item;
this.navigationService.UriFor<RssFeedDetailViewModel>().Navigate();
}
public void LoadAtomFeed(XDocument doc, RssFeed feed)
{
SetMediaImage(feed, doc);
feed.Description = doc.Root.GetSafeElementString("summary");
feed.Items = new ObservableCollection<RssItem>();
feed.LastBuildDate = doc.Root.GetSafeElementDate("updated");
feed.Link = doc.Root.GetLink("self");
foreach (var item in doc.Root.Elements(doc.Root.GetDefaultNamespace() + "entry"))
{
var newItem = new RssItem()
{
Title = item.GetSafeElementString("title"),
Description = item.GetSafeElementString("description"),
PublishDate = item.GetSafeElementDate("published"),
Guid = item.GetSafeElementString("id"),
Link = item.GetLink("alternate")
};
feed.Items.Add(newItem);
}
}
