private static IList <IDomElement <TDependencyObject> > UpdateMatchingStyles(
StyleSheet styleSheet,
IDomElement <TDependencyObject> startFromLogical,
IDomElement <TDependencyObject> startFromVisual,
Dictionary <TDependencyObject, StyleUpdateInfo> styleUpdateInfos,
IDependencyPropertyService <TDependencyObject, TStyle, TDependencyProperty> dependencyPropertyService,
INativeStyleService <TStyle, TDependencyObject, TDependencyProperty> nativeStyleService)
{
// var requiredStyleInfos = new List<StyleMatchInfo>();
IDomElement <TDependencyObject> root = null;
IDomElement <TDependencyObject> visualTree = null;
IDomElement <TDependencyObject> logicalTree = null;
var found = new List <IDomElement <TDependencyObject> >();
if (startFromVisual?.StyleInfo.DoMatchCheck == SelectorType.None ||
startFromLogical?.StyleInfo.DoMatchCheck == SelectorType.None)
{
return(new List <IDomElement <TDependencyObject> >());
}
return($"{startFromLogical?.GetPath() ?? startFromVisual?.GetPath() ?? "NULL!?!"}".Measure(() =>
{
foreach (var rule in styleSheet.Rules)
{
$"{rule.SelectorString}".Measure(() =>
{
// // Debug.WriteLine($"--- RULE {rule.SelectorString} ----");
if (rule.SelectorType == SelectorType.VisualTree)
{
if (startFromVisual == null)
{
//continue;
return;
}
if (visualTree == null)
{
visualTree = startFromVisual;
visualTree?.XamlCssStyleSheets.Clear();
visualTree?.XamlCssStyleSheets.Add(styleSheet);
}
root = visualTree;
}
else
{
if (startFromLogical == null)
{
//continue;
return;
}
if (logicalTree == null)
{
logicalTree = startFromLogical;
logicalTree?.XamlCssStyleSheets.Clear();
logicalTree?.XamlCssStyleSheets.Add(styleSheet);
}
root = logicalTree;
}
if (root == null)
{
//continue;
return;
}
// apply our selector
var matchedNodes = "QuerySelectorAllWithSelf".Measure(() => root.QuerySelectorAllWithSelf(styleSheet, rule.Selectors[0])
.Where(x => x != null)
.Cast <IDomElement <TDependencyObject> >()
.ToList());
var matchedElementTypes = matchedNodes
.Select(x => x.Element.GetType())
.Distinct()
.ToList();
$"foreach {matchedNodes.Count}".Measure(() =>
{
foreach (var matchingNode in matchedNodes)
{
var element = matchingNode.Element;
if (!found.Contains(matchingNode))
{
found.Add(matchingNode);
}
var discriminator = "GetInitialStyle".Measure(() => dependencyPropertyService.GetInitialStyle(element) != null ? element.GetHashCode().ToString() : "");
var resourceKey = "GetStyleResourceKey".Measure(() => nativeStyleService.GetStyleResourceKey(styleSheet.Id + discriminator, element.GetType(), rule.SelectorString));
//var resourceKey = nativeStyleService.GetStyleResourceKey(rule.StyleSheetId, element.GetType(), rule.SelectorString);
if (!matchingNode.StyleInfo.CurrentMatchedSelectors.Contains(resourceKey))
{
matchingNode.StyleInfo.CurrentMatchedSelectors.Add(resourceKey);
}
}
});
});
}
"found".Measure(() =>
{
found = found.Distinct().ToList();
foreach (var f in found)
{
f.StyleInfo.DoMatchCheck = SelectorType.None;
f.StyleInfo.CurrentMatchedSelectors = f.StyleInfo.CurrentMatchedSelectors.Distinct().Select(x => new
{
key = x,
SpecificityResult = SpecificityCalculator.Calculate(x.Split('{')[1])
})
.OrderBy(x => x.SpecificityResult.IdSpecificity)
.ThenBy(x => x.SpecificityResult.ClassSpecificity)
.ThenBy(x => x.SpecificityResult.SimpleSpecificity)
.ToList()
.Select(x => x.key)
.ToList();
}
});
"SetDoMatchCheckToNoneInSubTree".Measure(() =>
{
SetDoMatchCheckToNoneInSubTree(startFromLogical, styleSheet);
SetDoMatchCheckToNoneInSubTree(startFromVisual, styleSheet);
});
return found;
}));
}
private static void ApplyMatchingStyles(IDomElement <TDependencyObject> domElement, StyleSheet styleSheet,
IStyleResourcesService applicationResourcesService,
INativeStyleService <TStyle, TDependencyObject, TDependencyProperty> nativeStyleService)
{
var visualElement = domElement.Element;
if (domElement.StyleInfo == null)
{
throw new Exception($"StyleInfo null {domElement.GetType().Name.Replace("DomElement", "")} {domElement.GetPath()}");
}
var matchingStyles = domElement.StyleInfo.CurrentMatchedSelectors;
var appliedMatchingStyles = domElement.StyleInfo.OldMatchedSelectors;
var styledBy = domElement.StyleInfo.CurrentStyleSheet;
if (styledBy != null &&
styledBy != styleSheet)
{
// Debug.WriteLine(" Another Stylesheet");
return;
}
domElement.StyleInfo.CurrentStyleSheet = styleSheet;
if (!AppliedStyleIdsAreMatchedStyleIds(appliedMatchingStyles, matchingStyles))
{
object styleToApply = null;
if (matchingStyles == null)
{
// RemoveOutdatedStylesFromElementInternal(visualElement, styleSheet, true, true);
}
else if (matchingStyles?.Count == 1)
{
if (applicationResourcesService.Contains(matchingStyles[0]) == true)
{
styleToApply = applicationResourcesService.GetResource(matchingStyles[0]);
}
if (styleToApply != null)
{
nativeStyleService.SetStyle(visualElement, (TStyle)styleToApply);
}
else
{
nativeStyleService.SetStyle(visualElement, null);
// Debug.WriteLine(" Style not found! " + matchingStyles[0]);
}
}
else if (matchingStyles?.Count > 1)
{
var dict = new Dictionary <TDependencyProperty, object>();
var listTriggers = new List <TDependencyObject>();
foreach (var matchingStyle in matchingStyles)
{
TStyle s = null;
if (applicationResourcesService.Contains(matchingStyle) == true)
{
s = (TStyle)applicationResourcesService.GetResource(matchingStyle);
}
else
{
// Debug.WriteLine(" Style not found! " + matchingStyle);
}
if (s != null)
{
var subDict = nativeStyleService.GetStyleAsDictionary(s as TStyle);
foreach (var i in subDict)
{
dict[i.Key] = i.Value;
}
var triggers = nativeStyleService.GetTriggersAsList(s as TStyle);
listTriggers.AddRange(triggers);
}
}
if (dict.Keys.Count > 0 ||
listTriggers.Count > 0)
{
styleToApply = nativeStyleService.CreateFrom(dict, listTriggers, visualElement.GetType());
}
if (styleToApply != null)
{
nativeStyleService.SetStyle(visualElement, (TStyle)styleToApply);
}
else
{
nativeStyleService.SetStyle(visualElement, null);
}
}
domElement.StyleInfo.OldMatchedSelectors = matchingStyles.ToList();
}
foreach (var child in domElement.ChildNodes)
{
ApplyMatchingStyles(child, styleSheet, applicationResourcesService, nativeStyleService);
}
}