void AXObjectCache::notificationPostTimerFired(Timer<AXObjectCache>*)
{
RefPtr<Document> protectorForCacheOwner(m_document);
m_notificationPostTimer.stop();
unsigned i = 0, count = m_notificationsToPost.size();
for (i = 0; i < count; ++i) {
AccessibilityObject* obj = m_notificationsToPost[i].first.get();
if (!obj->axObjectID())
continue;
if (!obj->axObjectCache())
continue;
#ifndef NDEBUG
// Make sure none of the render views are in the process of being layed out.
// Notifications should only be sent after the renderer has finished
if (obj->isAccessibilityRenderObject()) {
AccessibilityRenderObject* renderObj = toAccessibilityRenderObject(obj);
RenderObject* renderer = renderObj->renderer();
if (renderer && renderer->view())
ASSERT(!renderer->view()->layoutState());
}
#endif
AXNotification notification = m_notificationsToPost[i].second;
postPlatformNotification(obj, notification);
if (notification == AXChildrenChanged && obj->parentObjectIfExists() && obj->lastKnownIsIgnoredValue() != obj->accessibilityIsIgnored())
childrenChanged(obj->parentObject());
}
m_notificationsToPost.clear();
}
void AXObjectCache::notificationPostTimerFired(Timer<AXObjectCache>*)
{
RefPtr<Document> protectorForCacheOwner(m_document);
m_notificationPostTimer.stop();
unsigned i = 0, count = m_notificationsToPost.size();
for (i = 0; i < count; ++i) {
AccessibilityObject* obj = m_notificationsToPost[i].first.get();
#ifndef NDEBUG
// Make sure none of the render views are in the process of being layed out.
// Notifications should only be sent after the renderer has finished
if (obj->isAccessibilityRenderObject()) {
AccessibilityRenderObject* renderObj = static_cast<AccessibilityRenderObject*>(obj);
RenderObject* renderer = renderObj->renderer();
if (renderer && renderer->view())
ASSERT(!renderer->view()->layoutState());
}
#endif
postPlatformNotification(obj, m_notificationsToPost[i].second);
}
m_notificationsToPost.clear();
}
static PangoLayout* getPangoLayoutForAtk(AtkText* textObject)
{
AccessibilityObject* coreObject = core(textObject);
HostWindow* hostWindow = coreObject->document()->view()->hostWindow();
if (!hostWindow)
return 0;
PlatformPageClient webView = hostWindow->platformPageClient();
if (!webView)
return 0;
GString* str = g_string_new(NULL);
AccessibilityRenderObject* accObject = static_cast<AccessibilityRenderObject*>(coreObject);
if (!accObject)
return 0;
RenderText* renderText = toRenderText(accObject->renderer());
if (!renderText)
return 0;
// Create a string with the layout as it appears on the screen
InlineTextBox* box = renderText->firstTextBox();
while (box) {
gchar *text = convertUniCharToUTF8(renderText->characters(), renderText->textLength(), box->start(), box->end());
g_string_append(str, text);
g_string_append(str, "\n");
box = box->nextTextBox();
}
PangoLayout* layout = gtk_widget_create_pango_layout(static_cast<GtkWidget*>(webView), g_string_free(str, FALSE));
g_object_set_data_full(G_OBJECT(textObject), "webkit-accessible-pango-layout", layout, g_object_unref);
return layout;
}
static void setAtkRelationSetFromCoreObject(AccessibilityObject* coreObject, AtkRelationSet* relationSet)
{
AccessibilityRenderObject* accObject = static_cast<AccessibilityRenderObject*>(coreObject);
if (accObject->isControl()) {
AccessibilityObject* label = accObject->correspondingLabelForControlElement();
if (label)
atk_relation_set_add_relation_by_type(relationSet, ATK_RELATION_LABELLED_BY, label->wrapper());
} else {
AccessibilityObject* control = accObject->correspondingControlForLabelElement();
if (control)
atk_relation_set_add_relation_by_type(relationSet, ATK_RELATION_LABEL_FOR, control->wrapper());
}
}
String AccessibleImage::name() const
{
if (!m_object->isAccessibilityRenderObject())
return AccessibleBase::name();
AccessibilityRenderObject* obj = static_cast<AccessibilityRenderObject*>(m_object);
String ariaLabel = obj->ariaLabeledByAttribute();
if (!ariaLabel.isEmpty())
return ariaLabel;
const AtomicString& altText = obj->getAttribute(HTMLNames::altAttr);
if (!altText.isEmpty())
return altText;
return AccessibleBase::name();
}
static const gchar* webkit_accessible_get_name(AtkObject* object)
{
AccessibilityObject* coreObject = core(object);
if (coreObject->isControl()) {
AccessibilityRenderObject* renderObject = static_cast<AccessibilityRenderObject*>(coreObject);
AccessibilityObject* label = renderObject->correspondingLabelForControlElement();
if (label) {
AccessibilityRenderObject::AccessibilityChildrenVector children = label->children();
// Currently, label->stringValue() should be an empty String. This
// might not be the case down the road.
String name = label->stringValue();
for (unsigned i = 0; i < children.size(); ++i)
name += children.at(i).get()->stringValue();
return returnString(name);
}
}
return returnString(coreObject->stringValue());
}
void AXObjectCache::notificationPostTimerFired(Timer<AXObjectCache>&)
{
Ref<Document> protectorForCacheOwner(m_document);
m_notificationPostTimer.stop();
// In DRT, posting notifications has a tendency to immediately queue up other notifications, which can lead to unexpected behavior
// when the notification list is cleared at the end. Instead copy this list at the start.
auto notifications = m_notificationsToPost;
m_notificationsToPost.clear();
for (const auto& note : notifications) {
AccessibilityObject* obj = note.first.get();
if (!obj->axObjectID())
continue;
if (!obj->axObjectCache())
continue;
#ifndef NDEBUG
// Make sure none of the render views are in the process of being layed out.
// Notifications should only be sent after the renderer has finished
if (obj->isAccessibilityRenderObject()) {
AccessibilityRenderObject* renderObj = toAccessibilityRenderObject(obj);
RenderObject* renderer = renderObj->renderer();
if (renderer)
ASSERT(!renderer->view().layoutState());
}
#endif
AXNotification notification = note.second;
postPlatformNotification(obj, notification);
if (notification == AXChildrenChanged && obj->parentObjectIfExists() && obj->lastKnownIsIgnoredValue() != obj->accessibilityIsIgnored())
childrenChanged(obj->parentObject());
}
}
