private void StartNextArticle()
{
if (_articleIndex >= _emptyArticles.Count || _articleIndex >= _group.CountToDownloadAtTime)
{
StartNextGroup();
}
else
{
IResource article;
try
{
article = _emptyArticles[_articleIndex++];
}
catch (InvalidResourceIdException)
{
article = null;
}
if (article == null || article.IsDeleted || article.IsDeleting)
{
StartNextArticle();
}
else
{
NntpDownloadArticleUnit downloadArticleUnit =
new NntpDownloadArticleUnit(article, _group.Resource, JobPriority.Normal, false);
downloadArticleUnit.Finished += new AsciiProtocolUnitDelegate(downloadArticleUnit_Finished);
StartUnit(downloadArticleUnit, _connection);
}
}
}
private void downloadUnit_OnProgress(NntpDownloadArticleUnit sender, string progress)
{
if (!Core.UserInterfaceAP.IsOwnerThread)
{
Core.UserInterfaceAP.QueueJob(new NntpDownloadArticleUnit.ProgressDelegate(downloadUnit_OnProgress), sender, progress);
}
else
{
IResource article = null;
try
{
if (_articleListener != null)
{
article = _articleListener[0];
}
if (article != null && article == sender.Article && article.HasProp(NntpPlugin._propHasNoBody))
{
ShowHtml("<pre>Downloading article: " + progress + "%</pre>", _ctxRestricted, null);
}
}
catch (InvalidResourceIdException) {}
}
}
public override void DisplayResource(IResource article, WordPtr[] wordsToHighlight)
{
if (_downloadLabel == null)
{
_downloadLabel = new JetLinkLabel();
_downloadLabel.Text = "Click here or press F5 to download the article";
_downloadLabel.BackColor = Color.Transparent;
_downloadLabel.ClickableLink = true;
_downloadLabel.Click += _downloadLabel_Click;
Controls.Add(_downloadLabel);
}
_downloadLabel.Visible = false;
_ieBrowser.Visible = true;
bool redisplayed = _articleIsRedisplayed;
_articleIsRedisplayed = false;
DisposeArticleListener();
// Set the subject, highlight if needed
ShowSubject(article.GetPropText(Core.Props.Subject), wordsToHighlight);
try
{
// The content being indexed (plaintext) is not the same that is
// displayed (autogenerated HTML), so the offsets are updated by
// this method to correspond to the new formatting.
string sFormattedArticle = ArticleBody2Html(article, ref wordsToHighlight);
ShowHtml(sFormattedArticle, _ctxRestricted, wordsToHighlight);
}
catch (Exception e)
{
Utils.DisplayException(e, "Error");
return;
}
/**
* set last selected article for article's owner
*/
IResource owner = _rbrowser.OwnerResource;
if (owner != null && (owner.Type == NntpPlugin._newsGroup ||
owner.Type == NntpPlugin._newsFolder || owner.Type == NntpPlugin._newsServer))
{
ResourceProxy proxy = new ResourceProxy(owner);
proxy.AsyncPriority = JobPriority.AboveNormal;
proxy.SetPropAsync(NntpPlugin._propLastSelectedArticle, article.Id);
}
_articleListener = article.ToResourceListLive();
_articleListener.ResourceChanged += _articleListener_ResourceChanged;
bool hasNoBody = article.HasProp(NntpPlugin._propHasNoBody);
if (!hasNoBody)
{
Core.UIManager.GetStatusWriter(this, StatusPane.Network).ClearStatus();
}
else
{
if (!Utils.IsNetworkConnectedLight())
{
ShowHtml("<pre>" + NntpPlugin._networkUnavailable + ".</pre>", WebSecurityContext.Internet, null);
return;
}
IResourceList groups = article.GetLinksOfType(NntpPlugin._newsGroup, NntpPlugin._propTo);
if (groups.Count > 0)
{
foreach (IResource groupRes in groups.ValidResources)
{
IResource server = new NewsgroupResource(groupRes).Server;
if (server != null)
{
ServerResource serverRes = new ServerResource(server);
if (redisplayed || serverRes.DownloadBodiesOnDeliver || serverRes.DownloadBodyOnSelection)
{
Core.UIManager.GetStatusWriter(this, StatusPane.Network).ShowStatus("Downloading article...");
NntpConnection articlesConnection = NntpConnectionPool.GetConnection(server, "foreground");
NntpDownloadArticleUnit downloadUnit =
new NntpDownloadArticleUnit(article, groupRes, JobPriority.Immediate, true);
downloadUnit.OnProgress += downloadUnit_OnProgress;
ShowHtml("<pre>Downloading article: 0%</pre>", WebSecurityContext.Internet, null);
articlesConnection.StartUnit(Int32.MaxValue - 1, downloadUnit);
return;
}
}
}
if (!redisplayed)
{
Point location = _ieBrowser.Location;
_downloadLabel.Location = new Point(location.X + 8, location.Y + 8);
_downloadLabel.Visible = true;
_ieBrowser.Visible = false;
}
}
}
}
