/// <summary>
/// Deep clone, but does not copy the OnPDFHighlightListChanged subscribers.
/// </summary>
public object Clone()
{
var clone = new PDFHightlightList();
foreach (var highlights_for_page in highlights.Values)
{
foreach (var highlight in highlights_for_page)
{
clone.AddUpdatedHighlight((PDFHighlight)highlight.Clone());
}
}
return(clone);
}
internal static void ReadFromStream(PDFDocument_ThreadUnsafe pdf_document, PDFHightlightList highlights, Dictionary <string, byte[]> /* can be null */ library_items_highlights_cache)
{
byte[] highlights_data = null;
if (null != library_items_highlights_cache)
{
library_items_highlights_cache.TryGetValue(pdf_document.Fingerprint, out highlights_data);
}
else
{
List <LibraryDB.LibraryItem> library_items = pdf_document.Library.LibraryDB.GetLibraryItems(pdf_document.Fingerprint, PDFDocumentFileLocations.HIGHLIGHTS);
if (0 < library_items.Count)
{
highlights_data = library_items[0].data;
}
}
if (null != highlights_data)
{
try
{
List <PDFHighlight> highlights_list = null;
// First try normal
try
{
highlights_list = ReadFromStream_JSON(highlights_data);
}
catch (Exception)
{
highlights_list = ReadFromStream_PROTOBUF(highlights_data);
FeatureTrackingManager.Instance.UseFeature(Features.Legacy_Highlights_ProtoBuf);
}
if (null != highlights_list)
{
foreach (PDFHighlight highlight in highlights_list)
{
highlights.AddUpdatedHighlight(highlight);
}
}
}
catch (Exception ex)
{
Logging.Error(ex, "There was a problem loading the Highlights for document {0}", pdf_document.Fingerprint);
}
}
}