Changing XUL menus to use a :-moz-menuactive pseudoclass rather than a menuactive attribute for styling the active item. This will allow XBL select widgets to not modify the HTML DOM. Bug 128947, r=dbaron, sr=hyatt, a=asa.

accessible/src/xul/nsXULMenuAccessible.cpp

@@ -42,6 +42,7 @@
 #include "nsIAccessible.h"
 #include "nsIDOMElement.h"
 #include "nsIDOMXULPopupElement.h"
+#include "nsIDOMXULMenuBarElement.h"
 
 // ------------------------ Menu Item -----------------------------
 
@@ -58,10 +59,22 @@ NS_IMETHODIMP nsXULMenuitemAccessible::GetAccState(PRUint32 *_retval)
   // Focused?
   nsCOMPtr<nsIDOMElement> element(do_QueryInterface(mDOMNode));
   NS_ASSERTION(element, "No DOM element for menu  node!");
-  PRBool isFocused = PR_FALSE;
-  element->HasAttribute(NS_LITERAL_STRING("menuactive"), &isFocused); 
-  if (isFocused)
-    *_retval |= STATE_FOCUSED;
+  nsCOMPtr<nsIDOMNode> parentNode;
+  mDOMNode->GetParentNode(getter_AddRefs(parentNode));
+  if (parentNode) {
+    nsCOMPtr<nsIDOMElement> currentItem;
+    nsCOMPtr<nsIDOMXULPopupElement> popupEl = do_QueryInterface(parentNode);
+    if (popupEl)
+      popupEl->GetActiveItem(getter_AddRefs(currentItem));
+    else {
+      nsCOMPtr<nsIDOMXULMenuBarElement> menubar = do_QueryInterface(parentNode);
+      if (menubar)
+        menubar->GetActiveMenu(getter_AddRefs(currentItem));
+    }
+
+    if (currentItem == element)
+        *_retval |= STATE_FOCUSED;
+  }
 
   // Has Popup?
   nsAutoString tagName;

content/base/public/nsIStyleRuleProcessor.h

@@ -93,6 +93,7 @@ struct RuleProcessorData {
   PRPackedBool      mIsQuirkMode;   // Possibly remove use of this in SelectorMatches?
   PRPackedBool      mHasAttributes; // if content, content->GetAttrCount() > 0
   PRPackedBool      mIsChecked;     // checked/selected attribute for option and select elements
+  PRPackedBool      mIsMenuActive;  // menuactive state for options/menus/menuitems
   nsLinkState       mLinkState;     // if a link, this is the state, otherwise unknown
   PRInt32           mEventState;    // if content, eventStateMgr->GetContentState()
   PRInt32           mNameSpaceID;   // if content, content->GetNameSapce()

content/html/style/src/nsCSSParser.cpp

@@ -1557,6 +1557,7 @@ static PRBool IsPseudoClass(const nsIAtom* aAtom)
                 (nsCSSAtoms::lastChildPseudo == aAtom) ||
                 (nsCSSAtoms::lastNodePseudo == aAtom) ||
                 (nsCSSAtoms::linkPseudo == aAtom) ||
+                (nsCSSAtoms::menuActivePseudo == aAtom) ||
                 (nsCSSAtoms::rootPseudo == aAtom) ||
                 (nsCSSAtoms::xblBoundElementPseudo == aAtom) ||
                 (nsCSSAtoms::visitedPseudo == aAtom));

content/html/style/src/nsCSSStyleSheet.cpp

@@ -94,6 +94,9 @@
 #include "nsQuickSort.h"
 #ifdef MOZ_XUL
 #include "nsIXULContent.h"
+#include "nsIDOMXULPopupElement.h"
+#include "nsIDOMXULMenuBarElement.h"
+#include "nsXULAtoms.h"
 #endif
 
 #include "nsContentUtils.h"
@@ -3234,6 +3237,7 @@ RuleProcessorData::RuleProcessorData(nsIPresContext* aPresContext,
   mIsHTMLLink = PR_FALSE;
   mIsSimpleXLink = PR_FALSE;
   mIsChecked = PR_FALSE;
+  mIsMenuActive = PR_FALSE;
   mLinkState = eLinkState_Unknown;
   mEventState = NS_EVENT_STATE_UNSPECIFIED;
   mNameSpaceID = kNameSpaceID_Unknown;
@@ -3302,14 +3306,39 @@ RuleProcessorData::RuleProcessorData(nsIPresContext* aPresContext,
       mIsSimpleXLink = PR_TRUE;
     } 
 
+    // The :checked pseudoclass applies to input and option elements
     if (mIsHTMLContent) {
       PRBool isChecked = PR_FALSE;
       if (mContentTag == nsHTMLAtoms::option) {
         nsCOMPtr<nsIDOMHTMLOptionElement> optEl = do_QueryInterface(mContent);
         optEl->GetSelected(&isChecked);
       }
+
       mIsChecked = isChecked;
     }
+
+    // The :-moz-menuactive pseudoclass applies to HTML option elements,
+    // XUL menuitem elements, and XUL menu elements.
+    if ((mIsHTMLContent && mContentTag == nsHTMLAtoms::option) ||
+        (mContent->IsContentOfType(nsIContent::eXUL) &&
+         (mContentTag == nsXULAtoms::menuitem || mContentTag == nsXULAtoms::menu))) {
+      
+      nsCOMPtr<nsIDOMElement> currentItem;
+      nsCOMPtr<nsIDOMXULPopupElement> popupEl = do_QueryInterface(mParentContent);
+      if (popupEl)
+        popupEl->GetActiveItem(getter_AddRefs(currentItem));
+      else {
+        nsCOMPtr<nsIDOMXULMenuBarElement> menubar = do_QueryInterface(mParentContent);
+        if (menubar)
+          menubar->GetActiveMenu(getter_AddRefs(currentItem));
+      }
+
+      if (currentItem) {
+        nsCOMPtr<nsIDOMElement> element = do_QueryInterface(mContent);
+        if (currentItem == element)
+          mIsMenuActive = PR_TRUE;
+      }
+    }
   }
 }
 
@@ -3609,6 +3638,12 @@ static PRBool SelectorMatches(RuleProcessorData &data,
         if (aTestState)
           result = data.mIsChecked ? localTrue : localFalse;
       }
+      else if (nsCSSAtoms::menuActivePseudo == pseudoClass->mAtom) {
+        // This pseudoclass will match on at most one child of
+        // a menupopup.
+        if (aTestState)
+          result = data.mIsMenuActive ? localTrue : localFalse;
+      }
       else {
         result = localFalse;  // unknown pseudo class
       }
@@ -4242,6 +4277,7 @@ PRBool IsStateSelector(nsCSSSelector& aSelector)
         (pseudoClass->mAtom == nsCSSAtoms::focusPseudo) || 
         (pseudoClass->mAtom == nsCSSAtoms::hoverPseudo) || 
         (pseudoClass->mAtom == nsCSSAtoms::linkPseudo) ||
+        (pseudoClass->mAtom == nsCSSAtoms::menuActivePseudo) ||
         (pseudoClass->mAtom == nsCSSAtoms::selectionPseudo) ||
         (pseudoClass->mAtom == nsCSSAtoms::visitedPseudo)) {
       return PR_TRUE;

content/shared/public/nsCSSAtomList.h

@@ -85,6 +85,7 @@ CSS_ATOM(langPseudo, ":lang")
 CSS_ATOM(linkPseudo, ":link")
 
 CSS_ATOM(menuPseudo, ":menu")
+CSS_ATOM(menuActivePseudo, ":-moz-menuactive");
 
 CSS_ATOM(notPseudo, ":not")
 

dom/macbuild/dom_xulIDL.xml

@@ -815,6 +815,13 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
+                <FILE>
+                    <PATHTYPE>Name</PATHTYPE>
+                    <PATH>nsIDOMXULMenuBarElement.idl</PATH>
+                    <PATHFORMAT>MacOS</PATHFORMAT>
+                    <FILEKIND>Text</FILEKIND>
+                    <FILEFLAGS></FILEFLAGS>
+                </FILE>
             </FILELIST>
             <LINKORDER>
                 <FILEREF>
@@ -892,6 +899,11 @@
                     <PATH>nsIDOMXULPopupElement.idl</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
+                <FILEREF>
+                    <PATHTYPE>Name</PATHTYPE>
+                    <PATH>nsIDOMXULMenuBarElement.idl</PATH>
+                    <PATHFORMAT>MacOS</PATHFORMAT>
+                </FILEREF>
             </LINKORDER>
         </TARGET>
         <TARGET>
@@ -1656,6 +1668,13 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
+                <FILE>
+                    <PATHTYPE>Name</PATHTYPE>
+                    <PATH>nsIDOMXULMenuBarElement.idl</PATH>
+                    <PATHFORMAT>MacOS</PATHFORMAT>
+                    <FILEKIND>Text</FILEKIND>
+                    <FILEFLAGS></FILEFLAGS>
+                </FILE>
             </FILELIST>
             <LINKORDER>
                 <FILEREF>
@@ -1733,6 +1752,11 @@
                     <PATH>nsIDOMXULPopupElement.idl</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
+                <FILEREF>
+                    <PATHTYPE>Name</PATHTYPE>
+                    <PATH>nsIDOMXULMenuBarElement.idl</PATH>
+                    <PATHFORMAT>MacOS</PATHFORMAT>
+                </FILEREF>
             </LINKORDER>
         </TARGET>
     </TARGETLIST>
@@ -1821,6 +1845,12 @@
             <PATH>nsIDOMXULPopupElement.idl</PATH>
             <PATHFORMAT>MacOS</PATHFORMAT>
         </FILEREF>
+        <FILEREF>
+            <TARGETNAME>headers</TARGETNAME>
+            <PATHTYPE>Name</PATHTYPE>
+            <PATH>nsIDOMXULMenuBarElement.idl</PATH>
+            <PATHFORMAT>MacOS</PATHFORMAT>
+        </FILEREF>
         <FILEREF>
             <TARGETNAME>headers</TARGETNAME>
             <PATHTYPE>Name</PATHTYPE>

dom/public/idl/xul/MANIFEST_IDL

@@ -1,3 +1,4 @@
 nsIDOMXULCommandDispatcher.idl
 nsIDOMXULDocument.idl
 nsIDOMXULElement.idl
+nsIDOMXULMenuBarElement.idl

dom/public/idl/xul/Makefile.in

@@ -45,6 +45,7 @@ XPIDLSRCS =					\
 	nsIDOMXULSelectCntrlEl.idl       \
 	nsIDOMXULSelectCntrlItemEl.idl   \
 	nsIDOMXULMultSelectCntrlEl.idl \
+	nsIDOMXULMenuBarElement.idl \
 	$(NULL)
 
 include $(topsrcdir)/config/rules.mk

dom/public/idl/xul/makefile.win

@@ -41,6 +41,7 @@ XPIDLSRCS =					\
   	.\nsIDOMXULSelectCntrlEl.idl     \
   	.\nsIDOMXULSelectCntrlItemEl.idl     \
   	.\nsIDOMXULMultSelectCntrlEl.idl \
+	.\nsIDOMXULMenuBarElement.idl \
 	$(NULL)
 
 include <$(DEPTH)\config\rules.mak>

dom/public/idl/xul/nsIDOMXULPopupElement.idl

@@ -54,7 +54,8 @@ interface nsIDOMXULPopupElement : nsIDOMXULElement {
   const unsigned short      AFTER_POINTER                  = 11;
 
   attribute DOMString position;
-  
+  attribute nsIDOMElement activeItem;
+
   void showPopup(in unsigned short alignment, 
                  in nsIDOMElement target,
                  in nsIDOMElement anchor);

layout/style/nsCSSParser.cpp

@@ -1557,6 +1557,7 @@ static PRBool IsPseudoClass(const nsIAtom* aAtom)
                 (nsCSSAtoms::lastChildPseudo == aAtom) ||
                 (nsCSSAtoms::lastNodePseudo == aAtom) ||
                 (nsCSSAtoms::linkPseudo == aAtom) ||
+                (nsCSSAtoms::menuActivePseudo == aAtom) ||
                 (nsCSSAtoms::rootPseudo == aAtom) ||
                 (nsCSSAtoms::xblBoundElementPseudo == aAtom) ||
                 (nsCSSAtoms::visitedPseudo == aAtom));

layout/style/nsCSSStyleSheet.cpp

@@ -94,6 +94,9 @@
 #include "nsQuickSort.h"
 #ifdef MOZ_XUL
 #include "nsIXULContent.h"
+#include "nsIDOMXULPopupElement.h"
+#include "nsIDOMXULMenuBarElement.h"
+#include "nsXULAtoms.h"
 #endif
 
 #include "nsContentUtils.h"
@@ -3234,6 +3237,7 @@ RuleProcessorData::RuleProcessorData(nsIPresContext* aPresContext,
   mIsHTMLLink = PR_FALSE;
   mIsSimpleXLink = PR_FALSE;
   mIsChecked = PR_FALSE;
+  mIsMenuActive = PR_FALSE;
   mLinkState = eLinkState_Unknown;
   mEventState = NS_EVENT_STATE_UNSPECIFIED;
   mNameSpaceID = kNameSpaceID_Unknown;
@@ -3302,14 +3306,39 @@ RuleProcessorData::RuleProcessorData(nsIPresContext* aPresContext,
       mIsSimpleXLink = PR_TRUE;
     } 
 
+    // The :checked pseudoclass applies to input and option elements
     if (mIsHTMLContent) {
       PRBool isChecked = PR_FALSE;
       if (mContentTag == nsHTMLAtoms::option) {
         nsCOMPtr<nsIDOMHTMLOptionElement> optEl = do_QueryInterface(mContent);
         optEl->GetSelected(&isChecked);
       }
+
       mIsChecked = isChecked;
     }
+
+    // The :-moz-menuactive pseudoclass applies to HTML option elements,
+    // XUL menuitem elements, and XUL menu elements.
+    if ((mIsHTMLContent && mContentTag == nsHTMLAtoms::option) ||
+        (mContent->IsContentOfType(nsIContent::eXUL) &&
+         (mContentTag == nsXULAtoms::menuitem || mContentTag == nsXULAtoms::menu))) {
+      
+      nsCOMPtr<nsIDOMElement> currentItem;
+      nsCOMPtr<nsIDOMXULPopupElement> popupEl = do_QueryInterface(mParentContent);
+      if (popupEl)
+        popupEl->GetActiveItem(getter_AddRefs(currentItem));
+      else {
+        nsCOMPtr<nsIDOMXULMenuBarElement> menubar = do_QueryInterface(mParentContent);
+        if (menubar)
+          menubar->GetActiveMenu(getter_AddRefs(currentItem));
+      }
+
+      if (currentItem) {
+        nsCOMPtr<nsIDOMElement> element = do_QueryInterface(mContent);
+        if (currentItem == element)
+          mIsMenuActive = PR_TRUE;
+      }
+    }
   }
 }
 
@@ -3609,6 +3638,12 @@ static PRBool SelectorMatches(RuleProcessorData &data,
         if (aTestState)
           result = data.mIsChecked ? localTrue : localFalse;
       }
+      else if (nsCSSAtoms::menuActivePseudo == pseudoClass->mAtom) {
+        // This pseudoclass will match on at most one child of
+        // a menupopup.
+        if (aTestState)
+          result = data.mIsMenuActive ? localTrue : localFalse;
+      }
       else {
         result = localFalse;  // unknown pseudo class
       }
@@ -4242,6 +4277,7 @@ PRBool IsStateSelector(nsCSSSelector& aSelector)
         (pseudoClass->mAtom == nsCSSAtoms::focusPseudo) || 
         (pseudoClass->mAtom == nsCSSAtoms::hoverPseudo) || 
         (pseudoClass->mAtom == nsCSSAtoms::linkPseudo) ||
+        (pseudoClass->mAtom == nsCSSAtoms::menuActivePseudo) ||
         (pseudoClass->mAtom == nsCSSAtoms::selectionPseudo) ||
         (pseudoClass->mAtom == nsCSSAtoms::visitedPseudo)) {
       return PR_TRUE;

layout/style/nsIStyleRuleProcessor.h

@@ -93,6 +93,7 @@ struct RuleProcessorData {
   PRPackedBool      mIsQuirkMode;   // Possibly remove use of this in SelectorMatches?
   PRPackedBool      mHasAttributes; // if content, content->GetAttrCount() > 0
   PRPackedBool      mIsChecked;     // checked/selected attribute for option and select elements
+  PRPackedBool      mIsMenuActive;  // menuactive state for options/menus/menuitems
   nsLinkState       mLinkState;     // if a link, this is the state, otherwise unknown
   PRInt32           mEventState;    // if content, eventStateMgr->GetContentState()
   PRInt32           mNameSpaceID;   // if content, content->GetNameSapce()

layout/xul/base/public/nsIMenuFrame.h

@@ -84,6 +84,8 @@ public:
 
   NS_IMETHOD GetActiveChild(nsIDOMElement** aResult)=0;
   NS_IMETHOD SetActiveChild(nsIDOMElement* aChild)=0;
+
+  NS_IMETHOD NotifyStateChanged(nsIMenuFrame* aOtherMenuFrame) = 0;
 };
 
 #endif

layout/xul/base/src/nsMenuBarFrame.cpp

@@ -58,6 +58,7 @@
 #include "nsMenuPopupFrame.h"
 #include "nsGUIEvent.h"
 #include "nsUnicharUtils.h"
+#include "nsIDOMXULMenuBarElement.h"
 #ifdef XP_WIN
 #include "nsISound.h"
 #include "nsWidgetsCID.h"
@@ -172,7 +173,7 @@ nsMenuBarFrame::IsOpen()
     mCurrentMenu->MenuIsOpen(isOpen);
     if (isOpen) {
       return PR_TRUE;
-	}
+    }
   }
   return PR_FALSE;
 }
@@ -199,6 +200,8 @@ nsMenuBarFrame::SetActive(PRBool aActiveFlag)
 void
 nsMenuBarFrame::ToggleMenuActiveState()
 {
+  nsIMenuFrame* oldCurrent = mCurrentMenu;
+
   if (mIsActive) {
     // Deactivate the menu bar
     mIsActive = PR_FALSE;
@@ -221,7 +224,7 @@ nsMenuBarFrame::ToggleMenuActiveState()
     InstallKeyboardNavigator();
 
     // Set the active menu to be the top left item (e.g., the File menu).
-    // We use an attribute called "menuactive" to track the current active menu.
+    // We use the -moz-menuactive pseudoclass to track the current active menu.
     nsIMenuFrame* firstFrame;
     GetNextMenuItem(nsnull, &firstFrame);
     if (firstFrame) {
@@ -231,6 +234,25 @@ nsMenuBarFrame::ToggleMenuActiveState()
       mCurrentMenu = firstFrame;
     }
   }
+
+  // Update the state on the menubar content node
+  nsCOMPtr<nsIDOMXULMenuBarElement> menubar = do_QueryInterface(mContent);
+  nsCOMPtr<nsIDOMElement> newActive;
+  if (mCurrentMenu) {
+    nsIFrame* frame = nsnull;
+    CallQueryInterface(mCurrentMenu, &frame);
+    nsCOMPtr<nsIContent> content;
+    frame->GetContent(getter_AddRefs(content));
+    newActive = do_QueryInterface(content);
+  }
+  menubar->SetActiveMenu(newActive);
+
+  // Now send a CSS state change notification
+  if (mCurrentMenu)
+    mCurrentMenu->NotifyStateChanged(oldCurrent);
+  else if (oldCurrent)
+    oldCurrent->NotifyStateChanged(nsnull);
+
 }
 
 static void GetInsertionPoint(nsIPresShell* aShell, nsIFrame* aFrame, nsIFrame* aChild,
@@ -515,6 +537,8 @@ NS_IMETHODIMP nsMenuBarFrame::SetCurrentMenuItem(nsIMenuFrame* aMenuItem)
   PRBool wasOpen = PR_FALSE;
   
   // Unset the current child.
+  nsIMenuFrame* oldMenuFrame = mCurrentMenu;
+
   if (mCurrentMenu) {
     mCurrentMenu->MenuIsOpen(wasOpen);
     mCurrentMenu->SelectMenu(PR_FALSE);
@@ -533,6 +557,25 @@ NS_IMETHODIMP nsMenuBarFrame::SetCurrentMenuItem(nsIMenuFrame* aMenuItem)
 
   mCurrentMenu = aMenuItem;
 
+  // Update the menubar content node
+  nsCOMPtr<nsIDOMXULMenuBarElement> menubar = do_QueryInterface(mContent);
+  nsCOMPtr<nsIDOMElement> newActive;
+  if (mCurrentMenu) {
+    nsIFrame* frame = nsnull;
+    CallQueryInterface(mCurrentMenu, &frame);
+    nsCOMPtr<nsIContent> content;
+    frame->GetContent(getter_AddRefs(content));
+    newActive = do_QueryInterface(content);
+  }
+
+  menubar->SetActiveMenu(newActive);
+
+  // Now send a CSS state change notification
+  if (mCurrentMenu)
+    mCurrentMenu->NotifyStateChanged(oldMenuFrame);
+  else if (oldMenuFrame)
+    oldMenuFrame->NotifyStateChanged(nsnull);
+
   return NS_OK;
 }
 

layout/xul/base/src/nsMenuFrame.cpp

@@ -85,6 +85,7 @@
 #include "nsGUIEvent.h"
 #include "nsIEventListenerManager.h"
 #include "nsIEventStateManager.h"
+#include "nsCSSAtoms.h"
 
 #define NS_MENU_POPUP_LIST_INDEX   0
 
@@ -583,14 +584,10 @@ nsMenuFrame::SelectMenu(PRBool aActivateFlag)
   nsAutoString domEventToFire;
 
   if (aActivateFlag) {
-    // Highlight the menu.
-    mContent->SetAttr(kNameSpaceID_None, nsXULAtoms::menuactive, NS_LITERAL_STRING("true"), PR_TRUE);
     // The menuactivated event is used by accessibility to track the user's movements through menus
     domEventToFire.Assign(NS_LITERAL_STRING("DOMMenuItemActive"));
   }
   else {
-    // Unhighlight the menu.
-    mContent->UnsetAttr(kNameSpaceID_None, nsXULAtoms::menuactive, PR_TRUE);
     domEventToFire.Assign(NS_LITERAL_STRING("DOMMenuItemInactive"));
   }
 
@@ -1307,9 +1304,9 @@ nsMenuFrame::Notify(nsITimer* aTimer)
   // Our timer has fired.
   if (aTimer == mOpenTimer.get()) {
     if (!mMenuOpen && mMenuParent) {
-      nsAutoString active;
-      mContent->GetAttr(kNameSpaceID_None, nsXULAtoms::menuactive, active);
-      if (active.Equals(NS_LITERAL_STRING("true"))) {
+      nsIMenuFrame* activeMenu = nsnull;
+      mMenuParent->GetCurrentMenuItem(&activeMenu);
+      if (activeMenu == this) {
         // We're still the active menu. Make sure all submenus/timers are closed
         // before opening this one
         mMenuParent->KillPendingTimers();
@@ -2094,6 +2091,24 @@ nsMenuFrame::GetScrollableView(nsIScrollableView** aView)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsMenuFrame::NotifyStateChanged(nsIMenuFrame* aOtherMenuFrame)
+{
+  nsCOMPtr<nsIContent> otherContent;
+  if (aOtherMenuFrame) {
+    nsIFrame* otherFrame = nsnull;
+    CallQueryInterface(aOtherMenuFrame, &otherFrame);
+    otherFrame->GetContent(getter_AddRefs(otherContent));
+  }
+
+  nsCOMPtr<nsIDocument> document;
+  mContent->GetDocument(*getter_AddRefs(document));
+  if (document)
+    document->ContentStatesChanged(mContent, otherContent, nsCSSAtoms::menuActivePseudo);
+
+  return NS_OK;
+}
+
 /* Need to figure out what this does.
 NS_IMETHODIMP
 nsMenuFrame::GetBoxInfo(nsIPresContext* aPresContext, const nsHTMLReflowState& aReflowState, nsBoxInfo& aSize)

layout/xul/base/src/nsMenuFrame.h

@@ -167,6 +167,8 @@ public:
   NS_IMETHOD MarkChildrenStyleChange();
   NS_IMETHOD MarkAsGenerated();
 
+  NS_IMETHOD NotifyStateChanged(nsIMenuFrame* aOtherFrame);
+
   // nsIScrollableViewProvider methods
 
   NS_IMETHOD GetScrollableView(nsIScrollableView** aView);

layout/xul/base/src/nsMenuPopupFrame.cpp

@@ -69,6 +69,7 @@
 #include "nsIFrameManager.h"
 #include "nsGUIEvent.h"
 #include "nsIRootBox.h"
+#include "nsIDOMXULPopupElement.h"
 #ifdef XP_WIN
 #include "nsISound.h"
 #endif
@@ -1401,6 +1402,8 @@ NS_IMETHODIMP nsMenuPopupFrame::SetCurrentMenuItem(nsIMenuFrame* aMenuItem)
     return NS_OK;
   
   // Unset the current child.
+  nsIMenuFrame* oldMenuFrame = nsnull;
+  
   if (mCurrentMenu) {
     PRBool isOpen = PR_FALSE;
     mCurrentMenu->MenuIsOpen(isOpen);
@@ -1423,6 +1426,8 @@ NS_IMETHODIMP nsMenuPopupFrame::SetCurrentMenuItem(nsIMenuFrame* aMenuItem)
       mCloseTimer->Init(this, menuDelay, NS_PRIORITY_HIGHEST); 
       mTimerMenu = mCurrentMenu;
     }
+
+    oldMenuFrame = mCurrentMenu;
   }
 
   // Set the new child.
@@ -1433,6 +1438,24 @@ NS_IMETHODIMP nsMenuPopupFrame::SetCurrentMenuItem(nsIMenuFrame* aMenuItem)
 
   mCurrentMenu = aMenuItem;
 
+  // Update the content node's idea of the current item.
+  nsCOMPtr<nsIContent> newContent;
+  if (mCurrentMenu) {
+    nsIFrame* frame = nsnull;
+    CallQueryInterface(mCurrentMenu, &frame);
+    frame->GetContent(getter_AddRefs(newContent));
+  }
+
+  nsCOMPtr<nsIDOMXULPopupElement> popupEl = do_QueryInterface(mContent);
+  nsCOMPtr<nsIDOMElement> domEl = do_QueryInterface(newContent);
+  popupEl->SetActiveItem(domEl);
+
+  // Send menuactive state notification.
+  if (mCurrentMenu)
+    mCurrentMenu->NotifyStateChanged(oldMenuFrame);
+  else if (oldMenuFrame)
+    oldMenuFrame->NotifyStateChanged(nsnull);
+
   return NS_OK;
 }
 
@@ -1846,6 +1869,11 @@ nsMenuPopupFrame::HandleEvent(nsIPresContext* aPresContext,
 NS_IMETHODIMP
 nsMenuPopupFrame::Destroy(nsIPresContext* aPresContext)
 {
+  // Make sure the content node doesn't think we still have an active item.
+  nsCOMPtr<nsIDOMXULPopupElement> popupEl = do_QueryInterface(mContent);
+  if (popupEl)
+    popupEl->SetActiveItem(nsnull);
+
   return nsBoxFrame::Destroy(aPresContext);
 }
 

themes/classic/global/mac/menu.css

@@ -45,8 +45,8 @@ menuitem[default="true"] {
   
 menu[disabled="true"],
 menuitem[disabled="true"],
-menu[menuactive="true"][disabled="true"],
-menuitem[menuactive="true"][disabled="true"] {
+menu[disabled="true"]:-moz-menuactive,
+menuitem[disabled="true"]:-moz-menuactive {
   background-color: transparent !important;
   color: GrayText !important;
 }
@@ -92,11 +92,11 @@ menuitem[menuactive="true"][disabled="true"] {
 }
 
 .menu-right[disabled="true"],
-.menu-right[menuactive="true"][disabled="true"] {
+menu:-moz-menuactive > .menu-right[disabled="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-arrow-dis.gif);
 }
 
-.menu-right[menuactive="true"] {
+menu:-moz-menuactive > .menu-right {
   list-style-image: url("chrome://global/skin/menu/menu-arrow-hov.gif");
 }
 
@@ -108,14 +108,14 @@ menubar > menu {
   margin: 1px 0px 1px 0px;
 }
 
-menubar > menu[menuactive="true"] {
+menubar > menu:-moz-menuactive {
   border-top: 1px solid ThreeDHighlight;
   border-right: 1px solid ThreeDShadow;
   border-bottom: 1px solid ThreeDShadow;
   border-left: 1px solid ThreeDHighlight;
 }
 
-menubar > menu[menuactive="true"][open="true"] {
+menubar > menu[open="true"]:-moz-menuactive {
   border-top: 1px solid ThreeDShadow;
   border-right: 1px solid ThreeDHighlight;
   border-bottom: 1px solid ThreeDHighlight;
@@ -144,10 +144,10 @@ popup > menuitem {
   max-width: 42em;
 }
 
-menupopup > menu[menuactive="true"],
-menupopup > menuitem[menuactive="true"],
-popup > menu[menuactive="true"],
-popup > menuitem[menuactive="true"] {
+menupopup > menu:-moz-menuactive,
+menupopup > menuitem:-moz-menuactive,
+popup > menu:-moz-menuactive,
+popup > menuitem:-moz-menuactive {
   background-color: -moz-mac-menuselect;
   color: -moz-mac-menutextselect;
 }
@@ -162,7 +162,7 @@ menuitem[checked="true"][disabled="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-check-dis.gif");
 }
 
-menuitem[checked="true"][menuactive="true"] {
+menuitem[checked="true"]:-moz-menuactive {
   list-style-image: url("chrome://global/skin/menu/menu-check-hov.gif");
 }
 
@@ -172,7 +172,7 @@ menuitem[checked="true"][type="radio"] {
   list-style-image: url("chrome://global/skin/menu/menu-radio.gif");
 }
 
-menuitem[checked="true"][type="radio"][menuactive="true"] {
+menuitem[checked="true"][type="radio"]:-moz-menuactive {
   list-style-image: url("chrome://global/skin/menu/menu-radio-hov.gif");
 }
 
@@ -194,8 +194,8 @@ menulist > menupopup > menuitem[selected="true"],
   list-style-image: url("chrome://global/skin/menu/menu-radio.gif");
 }
 
-menulist > menupopup > menuitem[menuactive="true"][selected="true"],
-.menulist-menupopup > menuitem[menuactive="true"][selected="true"] {
+menulist > menupopup > menuitem[selected="true"]:-moz-menuactive,
+.menulist-menupopup > menuitem[selected="true"]:-moz-menuactive {
   list-style-image: url("chrome://global/skin/menu/menu-radio-hov.gif");
 }
 
@@ -227,4 +227,4 @@ menulist > menupopup > menuseparator,
 .treecell-popupcell-menu {
   margin-left: -2px;
   list-style-image: url("chrome://global/skin/columnselect.gif");
-}
+}

themes/classic/global/win/menu.css

@@ -43,8 +43,8 @@ menuitem[default="true"] {
 }  
   
 menu[disabled="true"], menuitem[disabled="true"],
-menu[menuactive="true"][disabled="true"],
-menuitem[menuactive="true"][disabled="true"] {
+menu[disabled="true"]:-moz-menuactive,
+menuitem[disabled="true"]:-moz-menuactive {
   color: GrayText;
 }
 
@@ -88,7 +88,7 @@ menuitem[menuactive="true"][disabled="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-arrow.gif");
 }
 
-.menu-right[menuactive="true"] {
+menu:-moz-menuactive > .menu-right {
   list-style-image: url("chrome://global/skin/menu/menu-arrow-hover.gif");
 }
 
@@ -104,14 +104,14 @@ menubar > menu {
   margin: 1px 0px 1px 0px;
 }
 
-menubar > menu[menuactive="true"] {
+menubar > menu:-moz-menuactive {
   border-top: 1px solid ThreeDHighlight;
   border-right: 1px solid ThreeDShadow;
   border-bottom: 1px solid ThreeDShadow;
   border-left: 1px solid ThreeDHighlight;
 }
 
-menubar > menu[menuactive="true"][open="true"] {
+menubar > menu[open="true"]:-moz-menuactive {
   border-top: 1px solid ThreeDShadow;
   border-right: 1px solid ThreeDHighlight;
   border-bottom: 1px solid ThreeDHighlight;
@@ -140,10 +140,10 @@ popup > menuitem {
   max-width: 42em;
 }
 
-menupopup > menu[menuactive="true"],
-menupopup > menuitem[menuactive="true"],
-popup > menu[menuactive="true"],
-popup > menuitem[menuactive="true"] {
+menupopup > menu:-moz-menuactive,
+menupopup > menuitem:-moz-menuactive,
+popup > menu:-moz-menuactive,
+popup > menuitem:-moz-menuactive {
   background-color: Highlight;
   color: HighlightText;
 }
@@ -168,7 +168,7 @@ menulist > menupopup > menu > .menu-iconic-left {
   display: none;
 }
     
-menulist > menupopup > menuitem[menuactive="true"] {
+menulist > menupopup > menuitem:-moz-menuactive {
   border: 1px dotted #F5DB95;
 }
  
@@ -182,7 +182,7 @@ menuitem[checked="true"][disabled="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-check-disabled.gif");
 }
 
-menuitem[checked="true"][menuactive="true"] {
+menuitem[checked="true"]:-moz-menuactive {
   list-style-image: url("chrome://global/skin/menu/menu-check-hover.gif");
 }
 
@@ -196,7 +196,7 @@ menuitem[checked="true"][type="radio"][disabled="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-radio-disabled.gif");
 }
 
-menuitem[checked="true"][type="radio"][menuactive="true"] {
+menuitem[checked="true"][type="radio"]:-moz-menuactive {
   list-style-image: url("chrome://global/skin/menu/menu-radio-hover.gif");
 }
 
@@ -227,4 +227,4 @@ menulist > menupopup > menuseparator,
 .treecell-popupcell-menu {
   margin-left: -2px;
   list-style-image: url("chrome://global/skin/columnselect.gif");
-}
+}

themes/modern/global/menu.css

@@ -57,8 +57,8 @@ menuitem[default="true"] {
   
 menu[disabled="true"],
 menuitem[disabled="true"],
-menu[menuactive="true"][disabled="true"],
-menuitem[menuactive="true"][disabled="true"] {
+menu[disabled="true"]:-moz-menuactive,
+menuitem[disabled="true"]:-moz-menuactive {
   color: #838E9B;
 }
 
@@ -102,7 +102,7 @@ menuitem[menuactive="true"][disabled="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-arrow.gif");
 }
 
-.menu-right[menuactive="true"] {
+menu:-moz-menuactive > .menu-right {
   list-style-image: url("chrome://global/skin/menu/menu-arrow-hov.gif");
 }
 
@@ -118,11 +118,11 @@ menubar > menu {
   margin: 1px 0px 1px 0px;
 }
 
-menubar > menu[menuactive="true"] {
+menubar > menu:-moz-menuactive {
   border: 1px outset #DDE3EB;
 }
 
-menubar > menu[menuactive="true"][open="true"] {
+menubar > menu[open="true"]:-moz-menuactive {
   border-style: inset;
 }
 
@@ -148,10 +148,10 @@ popup > menuitem {
   max-width: 42em;
 }
 
-menupopup > menu[menuactive="true"],
-menupopup > menuitem[menuactive="true"],
-popup > menu[menuactive="true"],
-popup > menuitem[menuactive="true"] {
+menupopup > menu:-moz-menuactive,
+menupopup > menuitem:-moz-menuactive,
+popup > menu:-moz-menuactive,
+popup > menuitem:-moz-menuactive {
   background-color: #424F63;
   color: #FFFFFF;
 }
@@ -175,7 +175,7 @@ menulist > menupopup > menuitem[selected="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-check.gif");
 }
   
-menulist > menupopup > menuitem[menuactive="true"][selected="true"] {
+menulist > menupopup > menuitem[selected="true"]:-moz-menuactive {
   list-style-image: url("chrome://global/skin/menu/menu-check-hov.gif");
 }
 
@@ -189,7 +189,7 @@ menuitem[checked="true"][disabled="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-check-dis.gif");
 }
 
-menuitem[checked="true"][menuactive="true"] {
+menuitem[checked="true"]:-moz-menuactive {
   list-style-image: url("chrome://global/skin/menu/menu-check-hov.gif");
 }
 
@@ -203,7 +203,7 @@ menuitem[checked="true"][type="radio"][disabled="true"] {
   list-style-image: url("chrome://global/skin/menu/menu-radio-dis.gif");
 }
 
-menuitem[checked="true"][type="radio"][menuactive="true"] {
+menuitem[checked="true"][type="radio"]:-moz-menuactive {
   list-style-image: url("chrome://global/skin/menu/menu-radio-hov.gif");
 }
 
@@ -234,4 +234,4 @@ menulist > menupopup > menuseparator,
 .treecell-popupcell-menu {
   margin-left: -2px;
   list-style-image: url("chrome://global/skin/tree/columnpicker.gif");
-}
+}

xpfe/global/resources/content/bindings/menu.xml

@@ -29,7 +29,7 @@
     <content>
       <xul:label class="menu-text" flex="1" inherits="value=label,accesskey,crop" crop="right"/>
       <xul:label class="menu-accel" inherits="value=acceltext"/>
-      <xul:hbox align="center" class="menu-right" inherits="menuactive,disabled">
+      <xul:hbox align="center" class="menu-right" inherits="disabled">
         <xul:image/>
       </xul:hbox>
       <children includes="menupopup"/>
@@ -71,7 +71,7 @@
   <binding id="menuitem-iconic" extends="chrome://global/content/bindings/menu.xml#menuitem-base">
     <content>
       <xul:hbox class="menu-iconic-left" align="center" pack="center"
-               inherits="selected,menuactive,disabled,checked">
+               inherits="selected,disabled,checked">
         <xul:image class="menu-iconic-icon" inherits="validate,src"/>
       </xul:hbox>
       <xul:label class="menu-iconic-text" flex="1" inherits="value=label,accesskey,crop" crop="right"/>
@@ -91,7 +91,7 @@
       </xul:hbox>
       <xul:label class="menu-iconic-text" flex="1" inherits="value=label,accesskey,crop" crop="right"/>
       <xul:label class="menu-iconic-accel" inherits="value=acceltext"/>
-      <xul:hbox class="menu-right" inherits="menuactive,disabled" align="center" pack="center">
+      <xul:hbox class="menu-right" inherits="disabled" align="center" pack="center">
         <xul:image/>
       </xul:hbox>
       <children includes="menupopup|template"/>
@@ -112,4 +112,4 @@
   
   <binding id="menuseparator" extends="chrome://global/content/bindings/menu.xml#menuitem-base"/>
 
-</bindings>
+</bindings>

xpfe/global/resources/content/bindings/popup.xml

@@ -18,6 +18,7 @@
     </content>
 
     <implementation implements="nsIDOMXULPopupElement, nsIAccessibleProvider">
+      <field name="activeItem"/>
       <property name="accessible">
         <getter>
           <![CDATA[

xpfe/global/resources/content/bindings/toolbar.xml

@@ -177,7 +177,8 @@
       </xul:hbox>
     </content>
     
-    <implementation implements="nsIAccessibleProvider">
+    <implementation implements="nsIDOMXULMenuBarElement, nsIAccessibleProvider">
+      <field name="activeMenu"/>
       <property name="accessible">
         <getter>
           <![CDATA[