public override ApplyState Apply(ComputedStyle style, Value value)
{
// Request a shortform redraw:
style.RequestFastLayout();
// Grab the virtual elements:
VirtualElements virts = style.RenderData.Virtuals;
// Update them:
if (virts != null)
{
// H:
HtmlScrollbarElement scroll = virts.Get(ComputedStyle.HorizontalScrollPriority) as HtmlScrollbarElement;
if (scroll != null)
{
scroll.ElementScrolled();
}
// V:
scroll = virts.Get(ComputedStyle.VerticalScrollPriority) as HtmlScrollbarElement;
if (scroll != null)
{
scroll.ElementScrolled();
}
}
// Ok!
return(ApplyState.Ok);
}
protected override bool HandleLocalEvent(Dom.Event e, bool bubblePhase)
{
if (e.type == "mousedown")
{
// Get the scroll bar:
HtmlScrollbarElement scroll = parentElement as HtmlScrollbarElement;
// And scroll it:
scroll.ScrollBy(IsStart?-1:1);
}
// Handle locally:
return(base.HandleLocalEvent(e, bubblePhase));
}
protected override bool HandleLocalEvent(Dom.Event e, bool bubblePhase)
{
if (base.HandleLocalEvent(e, bubblePhase))
{
// It was blocked. Don't run the default.
return(true);
}
if (e.type == "mousedown")
{
// Get the scroll bar:
HtmlScrollbarElement scroll = parentElement as HtmlScrollbarElement;
// And scroll it:
scroll.ScrollBy(IsStart?-1:1);
}
return(false);
}
public override void OnChildrenLoaded()
{
IsStart = (this == parentNode.firstChild);
// Set attribs for CSS:
setAttribute("part", IsStart ? "start" : "end");
HtmlScrollbarElement bar = parentElement as HtmlScrollbarElement;
string type;
if (bar.IsVertical)
{
type = IsStart?"up":"down";
}
else
{
type = IsStart?"left":"right";
}
setAttribute("orient", type);
}
