public void Handle(TLUpdateWebPage updateWebPage)
{
Execute.BeginOnUIThread(() =>
{
var webPageBase = updateWebPage.WebPage;
foreach (var webPageKeyValue in _webPagesCache)
{
var mediaBase = webPageKeyValue.Value;
var webPageMessageMedia = mediaBase as TLMessageMediaWebPage;
if (webPageMessageMedia != null)
{
var webPage = webPageMessageMedia.WebPage;
if (webPage != null)
{
if (webPage.Id.Value == webPageBase.Id.Value)
{
webPageMessageMedia.WebPage = webPageBase;
if (string.Equals(Text, webPageKeyValue.Key))
{
if (webPageBase is TLWebPage || webPageBase is TLWebPagePending)
{
SaveReply();
Reply = new TLDecryptedMessagesContainter {
WebPageMedia = webPageMessageMedia
};
}
else
{
RestoreReply();
}
}
break;
}
}
}
}
foreach (var item in Items)
{
var message45 = item as TLDecryptedMessage45;
if (message45 != null)
{
var mediaWebPage = message45.Media as TLDecryptedMessageMediaWebPage;
if (mediaWebPage != null)
{
var webPage = mediaWebPage.WebPage;
if (webPage != null && webPage.Id.Value == updateWebPage.WebPage.Id.Value)
{
mediaWebPage.WebPage = updateWebPage.WebPage;
message45.NotifyOfPropertyChange(() => message45.MediaSelf);
}
}
}
}
});
}
private void GetWebPagePreviewAsync(string t)
{
if (t == null)
{
return;
}
var text = t.Trim();
TLMessageMediaBase webPageMedia;
if (_webPagesCache.TryGetValue(text, out webPageMedia))
{
var webPageMessageMedia = webPageMedia as TLMessageMediaWebPage;
if (webPageMessageMedia != null)
{
var webPage = webPageMessageMedia.WebPage as TLWebPage;
if (webPage != null)
{
SaveReply();
Reply = new TLDecryptedMessagesContainter {
WebPageMedia = webPageMedia
};
}
else
{
RestoreReply();
}
}
return;
}
else
{
RestoreReply();
}
Execute.BeginOnUIThread(TimeSpan.FromSeconds(1.0), () =>
{
if (!string.Equals(Text, text))
{
return;
}
if (text.IndexOf(".", StringComparison.Ordinal) == -1)
{
return;
}
Uri uri;
var uriString = text.StartsWith("http", StringComparison.OrdinalIgnoreCase)
? text
: "http://" + text;
if (Uri.TryCreate(uriString, UriKind.Absolute, out uri))
{
if (!CheckWebPagePreviewsNotification())
{
return;
}
MTProtoService.GetWebPagePreviewAsync(new TLString(text),
result => Execute.BeginOnUIThread(() =>
{
_webPagesCache[text] = result;
if (!string.Equals(Text, text))
{
return;
}
var webPageMessageMedia = result as TLMessageMediaWebPage;
if (webPageMessageMedia != null)
{
var webPage = webPageMessageMedia.WebPage;
if (webPage is TLWebPage || webPage is TLWebPagePending)
{
SaveReply();
Reply = new TLDecryptedMessagesContainter {
WebPageMedia = result
};
}
}
}),
error =>
{
Execute.ShowDebugMessage("messages.getWebPagePreview error " + error);
});
}
});
}
