// Token: 0x06003010 RID: 12304 RVA: 0x000D8268 File Offset: 0x000D6468
private void RaiseChangedEventForLayerContent(HighlightLayer highlightLayer)
{
if (this.Changed != null)
{
List <TextSegment> list = new List <TextSegment>();
StaticTextPointer staticTextPointer = this._textContainer.CreateStaticPointerAtOffset(0);
for (;;)
{
if (!highlightLayer.IsContentHighlighted(staticTextPointer, LogicalDirection.Forward))
{
staticTextPointer = highlightLayer.GetNextChangePosition(staticTextPointer, LogicalDirection.Forward);
if (staticTextPointer.IsNull)
{
break;
}
}
StaticTextPointer staticTextPointer2 = staticTextPointer;
staticTextPointer = highlightLayer.GetNextChangePosition(staticTextPointer, LogicalDirection.Forward);
Invariant.Assert(!staticTextPointer.IsNull, "Highlight start not followed by highlight end!");
list.Add(new TextSegment(staticTextPointer2.CreateDynamicTextPointer(LogicalDirection.Forward), staticTextPointer.CreateDynamicTextPointer(LogicalDirection.Forward)));
}
if (list.Count > 0)
{
this.Changed(this, new Highlights.LayerHighlightChangedEventArgs(new ReadOnlyCollection <TextSegment>(list), highlightLayer.OwnerType));
}
}
}
// Token: 0x06003009 RID: 12297 RVA: 0x000D813C File Offset: 0x000D633C
internal void RemoveLayer(HighlightLayer highlightLayer)
{
Invariant.Assert(this._layers != null && this._layers.Contains(highlightLayer));
this.RaiseChangedEventForLayerContent(highlightLayer);
highlightLayer.Changed -= this.OnLayerChanged;
this._layers.Remove(highlightLayer);
}
/// <summary>
/// Removes a HighlightLayer to this collection.
/// </summary>
/// <param name="highlightLayer">
/// HighlightLayer to add.
/// </param>
internal void RemoveLayer(HighlightLayer highlightLayer)
{
Invariant.Assert(_layers != null && _layers.Contains(highlightLayer));
// Raise final change event to cover existing content.
RaiseChangedEventForLayerContent(highlightLayer);
highlightLayer.Changed -= new HighlightChangedEventHandler(OnLayerChanged);
_layers.Remove(highlightLayer);
}
// Token: 0x06003008 RID: 12296 RVA: 0x000D80E0 File Offset: 0x000D62E0
internal void AddLayer(HighlightLayer highlightLayer)
{
if (this._layers == null)
{
this._layers = new ArrayList(1);
}
Invariant.Assert(!this._layers.Contains(highlightLayer));
this._layers.Add(highlightLayer);
highlightLayer.Changed += this.OnLayerChanged;
this.RaiseChangedEventForLayerContent(highlightLayer);
}
/// <summary>
/// Adds a HighlightLayer to this collection.
/// </summary>
/// <param name="highlightLayer">
/// HighlightLayer to add.
/// </param>
internal void AddLayer(HighlightLayer highlightLayer)
{
// Delay alloc the layers store.
if (_layers == null)
{
_layers = new ArrayList(1);
}
Invariant.Assert(!_layers.Contains(highlightLayer));
_layers.Add(highlightLayer);
highlightLayer.Changed += new HighlightChangedEventHandler(OnLayerChanged);
// Raise initial change event to cover existing content.
RaiseChangedEventForLayerContent(highlightLayer);
}
// Token: 0x06003004 RID: 12292 RVA: 0x000D7F8C File Offset: 0x000D618C
internal virtual object GetHighlightValue(StaticTextPointer textPosition, LogicalDirection direction, Type highlightLayerOwnerType)
{
object obj = DependencyProperty.UnsetValue;
for (int i = 0; i < this.LayerCount; i++)
{
HighlightLayer layer = this.GetLayer(i);
if (layer.OwnerType == highlightLayerOwnerType)
{
obj = layer.GetHighlightValue(textPosition, direction);
if (obj != DependencyProperty.UnsetValue)
{
break;
}
}
}
return(obj);
}
// Raises initial or final change event for added/removed layers.
private void RaiseChangedEventForLayerContent(HighlightLayer highlightLayer)
{
List <TextSegment> ranges;
StaticTextPointer highlightTransitionPosition;
StaticTextPointer highlightRangeStart;
if (this.Changed != null)
{
// Build a list of all highlights in this layer -- they're all
// going to "change" as the layer is added/removed.
ranges = new List <TextSegment>();
highlightTransitionPosition = _textContainer.CreateStaticPointerAtOffset(0);
while (true)
{
// Move to the next highlight start.
if (!highlightLayer.IsContentHighlighted(highlightTransitionPosition, LogicalDirection.Forward))
{
highlightTransitionPosition = highlightLayer.GetNextChangePosition(highlightTransitionPosition, LogicalDirection.Forward);
// No more highlights?
if (highlightTransitionPosition.IsNull)
{
break;
}
}
highlightRangeStart = highlightTransitionPosition;
highlightTransitionPosition = highlightLayer.GetNextChangePosition(highlightTransitionPosition, LogicalDirection.Forward);
Invariant.Assert(!highlightTransitionPosition.IsNull, "Highlight start not followed by highlight end!");
ranges.Add(new TextSegment(highlightRangeStart.CreateDynamicTextPointer(LogicalDirection.Forward), highlightTransitionPosition.CreateDynamicTextPointer(LogicalDirection.Forward)));
}
if (ranges.Count > 0)
{
Changed(this, new LayerHighlightChangedEventArgs(new ReadOnlyCollection <TextSegment>(ranges), highlightLayer.OwnerType));
}
}
}
// Raises initial or final change event for added/removed layers.
private void RaiseChangedEventForLayerContent(HighlightLayer highlightLayer)
{
List<TextSegment> ranges;
StaticTextPointer highlightTransitionPosition;
StaticTextPointer highlightRangeStart;
if (this.Changed != null)
{
// Build a list of all highlights in this layer -- they're all
// going to "change" as the layer is added/removed.
ranges = new List<TextSegment>();
highlightTransitionPosition = _textContainer.CreateStaticPointerAtOffset(0);
while (true)
{
// Move to the next highlight start.
if (!highlightLayer.IsContentHighlighted(highlightTransitionPosition, LogicalDirection.Forward))
{
highlightTransitionPosition = highlightLayer.GetNextChangePosition(highlightTransitionPosition, LogicalDirection.Forward);
// No more highlights?
if (highlightTransitionPosition.IsNull)
break;
}
highlightRangeStart = highlightTransitionPosition;
highlightTransitionPosition = highlightLayer.GetNextChangePosition(highlightTransitionPosition, LogicalDirection.Forward);
Invariant.Assert(!highlightTransitionPosition.IsNull, "Highlight start not followed by highlight end!");
ranges.Add(new TextSegment(highlightRangeStart.CreateDynamicTextPointer(LogicalDirection.Forward), highlightTransitionPosition.CreateDynamicTextPointer(LogicalDirection.Forward)));
}
if (ranges.Count > 0)
{
Changed(this, new LayerHighlightChangedEventArgs(new ReadOnlyCollection<TextSegment>(ranges), highlightLayer.OwnerType));
}
}
}
/// <summary>
/// Removes a HighlightLayer to this collection.
/// </summary>
/// <param name="highlightLayer">
/// HighlightLayer to add.
/// </param>
internal void RemoveLayer(HighlightLayer highlightLayer)
{
Invariant.Assert(_layers != null && _layers.Contains(highlightLayer));
// Raise final change event to cover existing content.
RaiseChangedEventForLayerContent(highlightLayer);
highlightLayer.Changed -= new HighlightChangedEventHandler(OnLayerChanged);
_layers.Remove(highlightLayer);
}
/// <summary>
/// Adds a HighlightLayer to this collection.
/// </summary>
/// <param name="highlightLayer">
/// HighlightLayer to add.
/// </param>
internal void AddLayer(HighlightLayer highlightLayer)
{
// Delay alloc the layers store.
if (_layers == null)
{
_layers = new ArrayList(1);
}
Invariant.Assert(!_layers.Contains(highlightLayer));
_layers.Add(highlightLayer);
highlightLayer.Changed += new HighlightChangedEventHandler(OnLayerChanged);
// Raise initial change event to cover existing content.
RaiseChangedEventForLayerContent(highlightLayer);
}
