private bool CheckHasCover()
{
// check if book has cover
Contents.Meta meta = Book.Metadata.Metas.SingleOrDefault(m => m.Name == "cover");
if (meta != null)
{
// get manifest item
Contents.Item item = Book.Manifest.Items.Where(i => i.Id.Equals(meta.Content)).SingleOrDefault();
if (item == null)
{
return(false);
}
string path = Book.GetFilePath(item.Href);
if (path == null)
{
return(false);
}
// read stream
Stream s = IsolatedStorageHelper.ReadZipStream(path);
if (s != null)
{
// load cover
_coverBitmapImage = new BitmapImage();
_coverBitmapImage.SetSource(s);
if (_coverImage != null) // book can be load before OnApplyTemplate
{
_coverImage.Source = _coverBitmapImage;
}
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
private int ParseItemRef(Contents.ItemRef itemRef, ref int startLocation)
{
// find corresponding item
Contents.Item item = _ePubViewer.Book.Manifest.Items.Where(i => i.Id == itemRef.Idref).SingleOrDefault();
if (item == null || item.MediaType != XhtmlMediaType) // check mediatype
{
Debug.WriteLine(String.Format(CultureInfo.InvariantCulture, "Warning: EPubReader.Parseer.ParseItemRef - Manifest does not contains ItemRef with Id \"{0}\"", itemRef.Idref));
return(0);
}
// read file
string path = _ePubViewer.Book.GetFilePath(HttpUtility.UrlDecode(item.Href));
if (path == null)
{
Debug.WriteLine(String.Format(CultureInfo.InvariantCulture, "Warning: EPubReader.Parseer.ParseItemRef - EPub does not contain page file \"{0}\"", item.Href));
return(0);
}
string content = IsolatedStorageHelper.ReadZipString(path);
// read html
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(content);
List <Elements.BaseElement> elements = new List <Elements.BaseElement>();
ParseNodeChilds(htmlDoc.DocumentNode.SelectSingleNode(HtmlBodyPath), ref elements);
if (elements.Count > 0)
{
_ePubViewer.Book.ItemElementsContainers.Add(
new ItemElementsContainer()
{
Item = item,
Elements = new Collection <Elements.BaseElement>(elements),
StartLocation = startLocation
}
); // push ItemElementsContainers
}
return(elements.Count);
}
private void ParseToc()
{
Contents.Item item = _ePubViewer.Book.Manifest.Items.Where(i => (i.Id == "ncx" || i.Id == "ncxtoc") && i.MediaType == "application/x-dtbncx+xml").OrderBy(i => i.Id).FirstOrDefault();
if (item == null)
{
return; // book doesn't contains toc manifest item
}
string path = _ePubViewer.Book.GetFilePath(item.Href);
if (path == null)
{
return; // book doesn't contains toc file
}
string content = IsolatedStorageHelper.ReadZipString(path);
// WP does not support DOCTYPE
string contentCleaned = Regex.Replace(content, "<!DOCTYPE[^>]*>", String.Empty);
_ePubViewer.Book.Toc = new Tocs.Toc(XDocument.Parse(contentCleaned).Elements(Tocs.Toc.DaisyOrgNcxNameSpace + "ncx"));
}
