/// <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);
        }
Пример #2
0
        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);
                }
            }
        }