Ejemplo n.º 1
0
AXObject* AXObjectCacheImpl::focusedUIElementForPage(const Page* page)
{
    if (!page->settings().accessibilityEnabled())
        return 0;

    // Cross-process accessibility is not yet implemented.
    if (!page->focusController().focusedOrMainFrame()->isLocalFrame())
        return 0;

    // get the focused node in the page
    Document* focusedDocument = toLocalFrame(page->focusController().focusedOrMainFrame())->document();
    Node* focusedNode = focusedDocument->focusedElement();
    if (!focusedNode)
        focusedNode = focusedDocument;

    if (isHTMLAreaElement(*focusedNode))
        return focusedImageMapUIElement(toHTMLAreaElement(focusedNode));

    AXObject* obj = toAXObjectCacheImpl(focusedNode->document().axObjectCache())->getOrCreate(focusedNode);
    if (!obj)
        return 0;

    if (obj->shouldFocusActiveDescendant()) {
        if (AXObject* descendant = obj->activeDescendant())
            obj = descendant;
    }

    // the HTML element, for example, is focusable but has an AX object that is ignored
    if (obj->accessibilityIsIgnored())
        obj = obj->parentObjectUnignored();

    return obj;
}
Ejemplo n.º 2
0
AXObject* AXObjectCache::focusedUIElementForPage(const Page* page)
{
    if (!gAccessibilityEnabled)
        return 0;

    // get the focused node in the page
    Document* focusedDocument = page->focusController().focusedOrMainFrame()->document();
    Node* focusedNode = focusedDocument->focusedElement();
    if (!focusedNode)
        focusedNode = focusedDocument;

    if (focusedNode->hasTagName(areaTag))
        return focusedImageMapUIElement(toHTMLAreaElement(focusedNode));

    AXObject* obj = focusedNode->document().axObjectCache()->getOrCreate(focusedNode);
    if (!obj)
        return 0;

    if (obj->shouldFocusActiveDescendant()) {
        if (AXObject* descendant = obj->activeDescendant())
            obj = descendant;
    }

    // the HTML element, for example, is focusable but has an AX object that is ignored
    if (obj->accessibilityIsIgnored())
        obj = obj->parentObjectUnignored();

    return obj;
}
AXObject* AXObjectCacheImpl::focusedObject()
{
    if (!accessibilityEnabled())
        return 0;

    // We don't have to return anything if the focused frame is not local;
    // the remote frame will have its own AXObjectCacheImpl and the focused
    // object will be sorted out by the browser process.
    Page* page = m_document->page();
    if (!page->focusController().focusedFrame())
        return 0;

    // Get the focused node in the page.
    Document* focusedDocument = page->focusController().focusedFrame()->document();
    Node* focusedNode = focusedDocument->focusedElement();
    if (!focusedNode)
        focusedNode = focusedDocument;

    // If it's an image map, get the focused link within the image map.
    if (isHTMLAreaElement(focusedNode))
        return focusedImageMapUIElement(toHTMLAreaElement(focusedNode));

    // See if there's a page popup, for example a calendar picker.
    Element* adjustedFocusedElement = focusedDocument->adjustedFocusedElement();
    if (isHTMLInputElement(adjustedFocusedElement)) {
        if (AXObject* axPopup = toHTMLInputElement(adjustedFocusedElement)->popupRootAXObject()) {
            if (Element* focusedElementInPopup = axPopup->document()->focusedElement())
                focusedNode = focusedElementInPopup;
        }

    }

    AXObject* obj = getOrCreate(focusedNode);
    if (!obj)
        return 0;

    if (obj->shouldFocusActiveDescendant()) {
        if (AXObject* descendant = obj->activeDescendant())
            obj = descendant;
    }

    // the HTML element, for example, is focusable but has an AX object that is ignored
    if (obj->accessibilityIsIgnored())
        obj = obj->parentObjectUnignored();

    return obj;
}