Bug 1610059 - Rename Document::SetStyleSheetApplicableState. r=nordzilla

It doesn't set anything, it is just a notification callback.

Differential Revision: https://phabricator.services.mozilla.com/D60336

--HG--
extra : moz-landing-system : lando

dom/base/Document.cpp

@@ -6570,11 +6570,11 @@ void Document::InsertSheetAt(size_t aIndex, StyleSheet& aSheet) {
   }
 }
 
-void Document::SetStyleSheetApplicableState(StyleSheet& aSheet,
-                                            bool aApplicable) {
+void Document::StyleSheetApplicableStateChanged(StyleSheet& aSheet) {
+  const bool applicable = aSheet.IsApplicable();
   // If we're actually in the document style sheet list
   if (mStyleSheets.IndexOf(&aSheet) != mStyleSheets.NoIndex) {
-    if (aApplicable) {
+    if (applicable) {
       AddStyleSheetToStyleSets(&aSheet);
     } else {
       RemoveStyleSheetFromStyleSets(&aSheet);
@@ -6586,7 +6586,7 @@ void Document::SetStyleSheetApplicableState(StyleSheet& aSheet,
     init.mBubbles = true;
     init.mCancelable = true;
     init.mStylesheet = &aSheet;
-    init.mApplicable = aApplicable;
+    init.mApplicable = applicable;
 
     RefPtr<StyleSheetApplicableStateChangeEvent> event =
         StyleSheetApplicableStateChangeEvent::Constructor(

dom/base/Document.h

@@ -2026,13 +2026,13 @@ class Document : public nsINode,
   /**
    * Remove a stylesheet from the document
    */
-  void RemoveStyleSheet(StyleSheet* aSheet);
+  void RemoveStyleSheet(StyleSheet*);
 
   /**
    * Notify the document that the applicable state of the sheet changed
    * and that observers should be notified and style sets updated
    */
-  void SetStyleSheetApplicableState(StyleSheet&, bool aApplicable);
+  void StyleSheetApplicableStateChanged(StyleSheet&);
 
   enum additionalSheetType {
     eAgentSheet,

dom/base/ShadowRoot.cpp

@@ -400,8 +400,7 @@ void ShadowRoot::InsertSheetIntoAuthorData(size_t aIndex, StyleSheet& aSheet) {
 
 // FIXME(emilio): This needs to notify document observers and such,
 // presumably.
-void ShadowRoot::StyleSheetApplicableStateChanged(StyleSheet& aSheet,
-                                                  bool aApplicable) {
+void ShadowRoot::StyleSheetApplicableStateChanged(StyleSheet& aSheet) {
   int32_t index = IndexOfSheet(aSheet);
   if (index < 0) {
     // NOTE(emilio): @import sheets are handled in the relevant RuleAdded
@@ -413,7 +412,7 @@ void ShadowRoot::StyleSheetApplicableStateChanged(StyleSheet& aSheet,
                           "It'd better be an @import sheet");
     return;
   }
-  if (aApplicable) {
+  if (aSheet.IsApplicable()) {
     InsertSheetIntoAuthorData(size_t(index), aSheet);
   } else {
     MOZ_ASSERT(mServoStyles);

dom/base/ShadowRoot.h

@@ -78,7 +78,7 @@ class ShadowRoot final : public DocumentFragment,
   void RuleChanged(StyleSheet&, css::Rule*);
   void ImportRuleLoaded(CSSImportRule&, StyleSheet&);
   void SheetCloned(StyleSheet&);
-  void StyleSheetApplicableStateChanged(StyleSheet&, bool aApplicable);
+  void StyleSheetApplicableStateChanged(StyleSheet&);
 
   /**
    * Clones internal state, for example stylesheets, of aOther to 'this'.

layout/style/StyleSheet.cpp

@@ -277,9 +277,9 @@ void StyleSheet::ApplicableStateChanged(bool aApplicable) {
 
   nsINode& node = mDocumentOrShadowRoot->AsNode();
   if (auto* shadow = ShadowRoot::FromNode(node)) {
-    shadow->StyleSheetApplicableStateChanged(*this, aApplicable);
+    shadow->StyleSheetApplicableStateChanged(*this);
   } else {
-    node.AsDocument()->SetStyleSheetApplicableState(*this, aApplicable);
+    node.AsDocument()->StyleSheetApplicableStateChanged(*this);
   }
 }