// Token: 0x060062DD RID: 25309 RVA: 0x001BC160 File Offset: 0x001BA360
private static ITextSelection GetTextSelection(FrameworkElement viewer)
{
FlowDocumentReader flowDocumentReader = viewer as FlowDocumentReader;
if (flowDocumentReader != null)
{
viewer = (AnnotationHelper.GetFdrHost(flowDocumentReader) as FrameworkElement);
}
if (viewer != null)
{
return(TextEditor.GetTextSelection(viewer));
}
return(null);
}
// 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);
}
/// <summary>Returns an <see cref="T:System.Windows.Annotations.IAnchorInfo" /> object that provides anchoring information, such as the anchor location, about the specified annotation.</summary>
/// <param name="service">The annotation service to use for this operation.</param>
/// <param name="annotation">The annotation to get anchoring information for.</param>
/// <returns>An <see cref="T:System.Windows.Annotations.IAnchorInfo" /> object that provides anchoring information about the specified annotation, or <see langword="null" /> if it cannot be resolved.</returns>
// Token: 0x060062C1 RID: 25281 RVA: 0x001BB2D0 File Offset: 0x001B94D0
public static IAnchorInfo GetAnchorInfo(AnnotationService service, Annotation annotation)
{
AnnotationHelper.CheckInputs(service);
if (annotation == null)
{
throw new ArgumentNullException("annotation");
}
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);
}
IList <IAttachedAnnotation> list = null;
if (flag)
{
TextSelectionProcessor textSelectionProcessor = service.LocatorManager.GetSelectionProcessor(typeof(TextRange)) as TextSelectionProcessor;
TextSelectionProcessor textSelectionProcessor2 = service.LocatorManager.GetSelectionProcessor(typeof(TextAnchor)) as TextSelectionProcessor;
Invariant.Assert(textSelectionProcessor != null, "TextSelectionProcessor should be available for TextRange if we are processing flow content.");
Invariant.Assert(textSelectionProcessor2 != null, "TextSelectionProcessor should be available for TextAnchor if we are processing flow content.");
try
{
textSelectionProcessor.Clamping = false;
textSelectionProcessor2.Clamping = false;
list = AnnotationHelper.ResolveAnnotations(service, new Annotation[]
{
annotation
});
goto IL_12E;
}
finally
{
textSelectionProcessor.Clamping = true;
textSelectionProcessor2.Clamping = true;
}
}
FixedPageProcessor fixedPageProcessor = service.LocatorManager.GetSubTreeProcessorForLocatorPart(FixedPageProcessor.CreateLocatorPart(0)) as FixedPageProcessor;
Invariant.Assert(fixedPageProcessor != null, "FixedPageProcessor should be available if we are processing fixed content.");
try
{
fixedPageProcessor.UseLogicalTree = true;
list = AnnotationHelper.ResolveAnnotations(service, new Annotation[]
{
annotation
});
}
finally
{
fixedPageProcessor.UseLogicalTree = false;
}
IL_12E:
Invariant.Assert(list != null);
if (list.Count > 0)
{
return(list[0]);
}
return(null);
}
