// Token: 0x060062D1 RID: 25297 RVA: 0x001BB730 File Offset: 0x001B9930
private static IList <IAttachedAnnotation> GetSpannedAnnotations(AnnotationService service)
{
AnnotationHelper.CheckInputs(service);
bool flag = true;
DocumentViewerBase documentViewerBase = service.Root as DocumentViewerBase;
if (documentViewerBase == null)
{
FlowDocumentReader flowDocumentReader = service.Root as FlowDocumentReader;
if (flowDocumentReader != null)
{
documentViewerBase = (AnnotationHelper.GetFdrHost(flowDocumentReader) as DocumentViewerBase);
}
}
else
{
flag = (documentViewerBase.Document is FlowDocument);
}
bool flag2 = true;
ITextSelection textSelection = AnnotationHelper.GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(textSelection != null, "TextSelection is null");
int num = 0;
int num2 = 0;
if (documentViewerBase != null)
{
TextSelectionHelper.GetPointerPage(textSelection.Start, out num);
TextSelectionHelper.GetPointerPage(textSelection.End, out num2);
if (num == -1 || num2 == -1)
{
throw new ArgumentException(SR.Get("InvalidSelectionPages"));
}
flag2 = AnnotationHelper.AreAllPagesVisible(documentViewerBase, num, num2);
}
IList <IAttachedAnnotation> list;
if (flag2)
{
list = service.GetAttachedAnnotations();
}
else if (flag)
{
list = AnnotationHelper.GetSpannedAnnotationsForFlow(service, textSelection);
}
else
{
list = AnnotationHelper.GetSpannedAnnotationsForFixed(service, num, num2);
}
IList <TextSegment> textSegments = textSelection.TextSegments;
if (list != null && list.Count > 0 && (flag2 || !flag))
{
for (int i = list.Count - 1; i >= 0; i--)
{
TextAnchor textAnchor = list[i].AttachedAnchor as TextAnchor;
if (textAnchor == null || !textAnchor.IsOverlapping(textSegments))
{
list.RemoveAt(i);
}
}
}
return(list);
}
