/// <summary>
/// Constructor.
/// </summary>
/// <param name="dcp">
/// Embedded object's character position.
/// </param>
/// <param name="uiElementIsland">
/// UIElementIsland associated with embedded object.
/// </param>
/// <param name="para">
/// TextParagraph associated with embedded object.
/// </param>
internal InlineObject(int dcp, UIElementIsland uiElementIsland, TextParagraph para)
: base(dcp)
{
_para = para;
_uiElementIsland = uiElementIsland;
_uiElementIsland.DesiredSizeChanged += new DesiredSizeChangedEventHandler(_para.OnUIElementDesiredSizeChanged);
}
/// <summary>
/// Ensures the _uiElementIsland variable is up to date
/// </summary>
private void UpdateUIElementIsland()
{
UIElement childElement = this.Child;
if(_uiElementIsland == null || _uiElementIsland.Root != childElement)
{
if(_uiElementIsland != null)
{
_uiElementIsland.Dispose();
_uiElementIsland = null;
}
if(childElement != null)
{
_uiElementIsland = new UIElementIsland(childElement);
}
}
}
/// <summary>
/// Create UIElementIsland representing embedded Element Layout island within content world.
/// </summary>
private void EnsureUIElementIsland()
{
if (_uiElementIsland == null)
{
_uiElementIsland = new UIElementIsland(((BlockUIContainer)Element).Child);
_uiElementIsland.DesiredSizeChanged += new DesiredSizeChangedEventHandler(OnUIElementDesiredSizeChanged);
}
}
