Bug 346833. Objects in :before and :after no longer exposed. r=ginn.chen, sr=roc (38a6785d) · Commits · The Tor Project / Applications / Mullvad Browser

accessible/src/base/nsAccessibleTreeWalker.cpp

+16 −5

Original line number	Diff line number	Diff line
		@@ -272,15 +272,26 @@ NS_IMETHODIMP nsAccessibleTreeWalker::GetFirstChild()

		void nsAccessibleTreeWalker::UpdateFrame(PRBool aTryFirstChild)
		{
		if (mState.frame) {
		mState.frame = aTryFirstChild? mState.frame->GetFirstChild(nsnull) :
		mState.frame->GetNextSibling();
		if (!mState.frame) {
		return;
		}
		if (aTryFirstChild) {
		nsIFrame *parentFrame = mState.frame;
		mState.frame = mState.frame->GetFirstChild(nsnull);
		if (mState.frame && mState.siblingIndex < 0 &&
		mState.frame->GetContent()->IsNativeAnonymous()) {
		(parentFrame->GetType() == nsAccessibilityAtoms::blockFrame \|\|
		parentFrame->GetType() == nsAccessibilityAtoms::inlineFrame \|\|
		parentFrame->GetType() == nsAccessibilityAtoms::inlineBlockFrame)) {
		// Container frames can contain generated content frames from
		// :before and :after style rules, so we walk their frame trees
		// instead of content trees
		mState.domNode = do_QueryInterface(mState.frame->GetContent());
		mState.siblingIndex = eSiblingsWalkFrames;
		}
		}
		else {
		mState.frame = mState.frame->GetNextSibling();
		}
		}

		/**