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Revert "Issue #3024 - First pass support for :host and :host-context"

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This reverts commit 4cc56c2cb6.
This commit is contained in:
roytam1 2022-04-21 21:51:52 +08:00
commit ecdf4bfb29
12 changed files with 34 additions and 358 deletions
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35
layout/style/nsRuleProcessorData.h
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@ -164,23 +164,6 @@ struct MOZ_STACK_CLASS TreeMatchContext {
mStyleScopes.TruncateLength(mStyleScopes.Length() - 1);
}
}
void PushShadowHost(mozilla::dom::Element* aElement)
{
NS_PRECONDITION(aElement, "aElement must not be null");
if (aElement->GetShadowRoot()) {
mShadowHosts.AppendElement(aElement);
}
}
void PopShadowHost(mozilla::dom::Element* aElement)
{
NS_PRECONDITION(aElement, "aElement must not be null");
if (mShadowHosts.SafeLastElement(nullptr) == aElement) {
mShadowHosts.TruncateLength(mShadowHosts.Length() - 1);
}
}
bool PopStyleScopeForSelectorMatching(mozilla::dom::Element* aElement)
{
@ -250,7 +233,6 @@ struct MOZ_STACK_CLASS TreeMatchContext {
MOZ_GUARD_OBJECT_NOTIFIER_PARAM)
: mPushedAncestor(false)
, mPushedStyleScope(false)
, mPushedShadowHost(false)
, mTreeMatchContext(aTreeMatchContext)
, mElement(nullptr)
{
@ -263,10 +245,8 @@ struct MOZ_STACK_CLASS TreeMatchContext {
mElement = aElement;
mPushedAncestor = true;
mPushedStyleScope = true;
mPushedShadowHost = true;
mTreeMatchContext.mAncestorFilter.PushAncestor(aElement);
mTreeMatchContext.PushStyleScope(aElement);
mTreeMatchContext.PushShadowHost(aElement);
}
}
@ -298,15 +278,11 @@ struct MOZ_STACK_CLASS TreeMatchContext {
if (mPushedStyleScope) {
mTreeMatchContext.PopStyleScope(mElement);
}
if (mPushedShadowHost) {
mTreeMatchContext.PopShadowHost(mElement);
}
}
private:
bool mPushedAncestor;
bool mPushedStyleScope;
bool mPushedShadowHost;
TreeMatchContext& mTreeMatchContext;
mozilla::dom::Element* mElement;
MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
@ -366,11 +342,6 @@ struct MOZ_STACK_CLASS TreeMatchContext {
// The document we're working with.
nsIDocument* const mDocument;
// Only selectors that contain :host or :host-context pseudo class
// should be matched against elements. All other selectors should not
// match.
bool mOnlyMatchHostPseudo;
// Root of scoped stylesheet (set and unset by the supplier of the
// scoped stylesheet).
nsIContent* mScopedRoot;
@ -412,9 +383,6 @@ struct MOZ_STACK_CLASS TreeMatchContext {
// <style scoped> child).
AutoTArray<mozilla::dom::Element*, 1> mStyleScopes;
// List of ancestor elements that are a shadow root host.
AutoTArray<mozilla::dom::Element*, 1> mShadowHosts;
// The current style scope element for selector matching.
mozilla::dom::Element* mCurrentStyleScope;
@ -428,7 +396,6 @@ struct MOZ_STACK_CLASS TreeMatchContext {
, mHaveSpecifiedScope(false)
, mVisitedHandling(aVisitedHandling)
, mDocument(aDocument)
, mOnlyMatchHostPseudo(false)
, mScopedRoot(nullptr)
, mIsHTMLDocument(aDocument->IsHTMLDocument())
, mCompatMode(aDocument->GetCompatibilityMode())
@ -470,7 +437,6 @@ struct MOZ_STACK_CLASS ElementDependentRuleProcessorData :
: RuleProcessorData(aPresContext, aRuleWalker)
, mElement(aElement)
, mTreeMatchContext(aTreeMatchContext)
, mElementIsFeatureless(false)
{
NS_ASSERTION(aElement, "null element leaked into SelectorMatches");
NS_ASSERTION(aElement->OwnerDoc(), "Document-less node here?");
@ -480,7 +446,6 @@ struct MOZ_STACK_CLASS ElementDependentRuleProcessorData :
mozilla::dom::Element* const mElement; // weak ref, must not be null
TreeMatchContext& mTreeMatchContext;
bool mElementIsFeatureless;
};
struct MOZ_STACK_CLASS ElementRuleProcessorData :