public FeedItemLayoutData(CanvasDevice device, FeedItem feedItem, float fRequestedWidth)
{
FeedDataTitleLayout = new CanvasTextLayout(device, feedItem.FeedDataTitle, Statics.DefaultFont, fRequestedWidth, 20);
PublicationDateLayout = new CanvasTextLayout(device, feedItem.PublicationDate.ToString("MM/dd/yy"), Statics.DefaultFont, fRequestedWidth, 20); // MMMM dd, yyyy - h:mm
TitleLayout = new CanvasTextLayout(device, feedItem.Title, Statics.DefaultFont, fRequestedWidth, 20);
AuthorLayout = new CanvasTextLayout(device, feedItem.Author, Statics.DefaultFont, fRequestedWidth, 20);
if (feedItem.Title != feedItem.Content) { ContentLayout = new CanvasTextLayout(device, feedItem.Content, Statics.DefaultFont, fRequestedWidth, 20); }
LinkLayout = new CanvasTextLayout(device, feedItem.Link.ToString(), Statics.DefaultFont, fRequestedWidth, 20);
}
public void SetFeedItem(CanvasDevice device, FeedItem feedItem)
{
if (feedItem == null) { return; }
FeedItem = feedItem;
FeedItemLayoutData = new FeedItemLayoutData(device, feedItem, Width - Padding * 2);
}
private static async Task<FeedData> GetFeedAsync(string strUri)
{
SyndicationClient client = new SyndicationClient();
Uri feedUri = new Uri(strUri);
try
{
SyndicationFeed feed = await client.RetrieveFeedAsync(feedUri);
FeedData feedData = new FeedData();
if (feed.Title != null && feed.Title.Text != null)
{
feedData.Title = feed.Title.Text;
}
if (feed.Subtitle != null && feed.Subtitle.Text != null)
{
feedData.Description = feed.Subtitle.Text;
}
if (feed.Items != null && feed.Items.Count > 0)
{
feedData.PublicationDate = feed.Items[0].PublishedDate.DateTime;
foreach (SyndicationItem item in feed.Items)
{
string title = string.Empty;
DateTime date = DateTime.Now;
string author = string.Empty;
string content = string.Empty;
Uri link = null;
if (item.Title != null && item.Title.Text != null)
{
title = Statics.Sanitize(item.Title.Text);
}
if (item.PublishedDate != null)
{
date = item.PublishedDate.DateTime;
}
if (item.Authors != null && item.Authors.Count > 0)
{
author = item.Authors[0].Name;
}
switch (feed.SourceFormat)
{
case SyndicationFormat.Atom10:
if (item.Content != null && item.Content.Text != null)
{
content = Statics.Sanitize(item.Content.Text);
}
if (item.Id != null)
{
// not sure about this
link = new Uri(item.Id);
}
break;
case SyndicationFormat.Rss20:
if (item.Summary != null && item.Summary.Text != null)
{
content = Statics.Sanitize(item.Summary.Text);
}
if (item.Links != null && item.Links.Count > 0)
{
link = item.Links[0].Uri;
}
break;
default:
throw new Exception();
}
FeedItem feedItem = new FeedItem(feedData.Title, title, author, content, date, link);
feedData.Items.Add(feedItem);
}
}
return feedData;
}
catch (Exception e)
{
return null;
}
}
public void RecycleFeedItemData()
{
FeedDataSource.Recycle(FeedItem);
FeedItem = null;
}
public static void Recycle(FeedItem fi)
{
if (fi != null) { FeedItems.Add(fi); }
}
