/// <summary>
/// Creates a new property set under the specified name and binds to it to detect when a value changes.
/// </summary>
/// <param name="Name"></param>
/// <param name="Selector"></param>
/// <param name="Owner"></param>
/// <param name="Unset"></param>
/// <returns></returns>
private CssComputedStyle NewPropertySet(string Name, string Selector, ICssElement Owner, bool Unset, EPropertySetOrigin Origin)
{
var retVal = new CssComputedStyle(Name, new CssSelector(false, Selector), Owner, false, Unset, Origin);
// Capture all update events.
retVal.Property_Changed += Handle_Declared_Property_Change;
return(retVal);
}
/// <summary>
/// Adds a new <see cref="CssComputedStyle"/> to the list of styling rules and binds to it to detect when a value changes.
/// </summary>
/// <param name="Selector"></param>
/// <param name="Owner"></param>
/// <param name="Unset"></param>
/// <returns>Success</returns>
internal bool Add_PropertySet(CssComputedStyle prop)
{
var retVal = CssRules.TryAdd(new AtomicString(prop.Name), prop);
// Capture all update events.
prop.Property_Changed += Handle_Declared_Property_Change;
// We just took on another group of proerties, we should recascade
SetFlag(EPropertySystemDirtFlags.NeedsToCascade);
return(retVal);
}
public StyleProperties(ICssElement owning_element)
{
owningElement = owning_element;
// Populate our rules with a few different common states
CssRules.TryAdd(STATE_IMPLICIT, NewPropertySet(STATE_IMPLICIT, null, owning_element, false, EPropertySetOrigin.UserAgent));
CssRules.TryAdd(STATE_USER, NewPropertySet(STATE_USER, null, owning_element, true, EPropertySetOrigin.Author));
CssRules.TryAdd(STATE_HOVER, NewPropertySet(STATE_HOVER, ":hover", owning_element, true, EPropertySetOrigin.Author));
CssRules.TryAdd(STATE_FOCUS, NewPropertySet(STATE_FOCUS, ":focus", owning_element, true, EPropertySetOrigin.Author));
Cascaded = new CssComputedStyle(null, null, owning_element, true);
Cascaded.Property_Changed += Handle_Cascaded_Property_Change;
// Blending
Cascaded.Opacity.onValueChange += Handle_Cascaded_Blend_Change;
// Transformations
Cascaded.Transform.onValueChange += Handle_Cascaded_Transform_Change;
}
