void AXObjectCache::postPlatformNotification(AccessibilityObject* obj, AXNotification notification)
{
if (obj && obj->isAccessibilityScrollbar() && notification == AXValueChanged) {
// Send document value changed on scrollbar value changed notification.
Scrollbar* scrollBar = static_cast<AccessibilityScrollbar*>(obj)->scrollbar();
if (!scrollBar || !scrollBar->parent() || !scrollBar->parent()->isFrameView())
return;
Document* document = toFrameView(scrollBar->parent())->frame().document();
if (document != document->topDocument())
return;
obj = get(document->renderer());
}
if (!obj || !obj->document() || !obj->documentFrameView() || !obj->documentFrameView()->frame().page())
return;
ChromeClient& client = obj->documentFrameView()->frame().page()->chrome().client();
if (notification == AXActiveDescendantChanged
&& obj->document()->focusedElement()
&& obj->node() == obj->document()->focusedElement()) {
// Calling handleFocusedUIElementChanged will focus the new active
// descendant and send the AXFocusedUIElementChanged notification.
handleFocusedUIElementChanged(0, obj->document()->focusedElement());
}
client.postAccessibilityNotification(obj, notification);
}
void AXObjectCache::postPlatformNotification(AccessibilityObject* obj, AXNotification notification)
{
if (obj && obj->isAccessibilityScrollbar() && notification == AXValueChanged) {
// Send document value changed on scrollbar value changed notification.
Scrollbar* scrollBar = static_cast<AccessibilityScrollbar*>(obj)->scrollbar();
if (!scrollBar || !scrollBar->parent() || !scrollBar->parent()->isFrameView())
return;
Document* document = toFrameView(scrollBar->parent())->frame()->document();
if (document != document->topDocument())
return;
obj = get(document->renderer());
}
if (!obj || !obj->document() || !obj->documentFrameView() || !obj->documentFrameView()->frame() || !obj->documentFrameView()->frame()->page())
return;
ChromeClient* client = obj->documentFrameView()->frame()->page()->chrome().client();
if (!client)
return;
switch (notification) {
case AXActiveDescendantChanged:
if (!obj->document()->focusedNode() || (obj->node() != obj->document()->focusedNode()))
break;
// Calling handleFocusedUIElementChanged will focus the new active
// descendant and send the AXFocusedUIElementChanged notification.
handleFocusedUIElementChanged(0, obj->document()->focusedNode());
break;
case AXAriaAttributeChanged:
case AXAutocorrectionOccured:
case AXCheckedStateChanged:
case AXChildrenChanged:
case AXFocusedUIElementChanged:
case AXInvalidStatusChanged:
case AXLayoutComplete:
case AXLiveRegionChanged:
case AXLoadComplete:
case AXMenuListItemSelected:
case AXMenuListValueChanged:
case AXRowCollapsed:
case AXRowCountChanged:
case AXRowExpanded:
case AXScrolledToAnchor:
case AXSelectedChildrenChanged:
case AXSelectedTextChanged:
case AXTextChanged:
case AXValueChanged:
break;
}
client->postAccessibilityNotification(obj, notification);
}
void ScrollbarThemeGtk::updateThemeProperties()
{
MozGtkScrollbarMetrics metrics;
moz_gtk_get_scrollbar_metrics(&metrics);
m_thumbFatness = metrics.slider_width;
m_troughBorderWidth = metrics.trough_border;
m_stepperSize = metrics.stepper_size;
m_stepperSpacing = metrics.stepper_spacing;
m_minThumbLength = metrics.min_slider_size;
m_troughUnderSteppers = metrics.trough_under_steppers;
m_hasForwardButtonStartPart = metrics.has_secondary_forward_stepper;
m_hasBackButtonEndPart = metrics.has_secondary_backward_stepper;
if (!gScrollbars)
return;
// Update the thickness of every interior frame scrollbar widget. The
// platform-independent scrollbar them code isn't yet smart enough to get
// this information when it paints.
HashSet<Scrollbar*>::iterator end = gScrollbars->end();
for (HashSet<Scrollbar*>::iterator it = gScrollbars->begin(); it != end; ++it) {
Scrollbar* scrollbar = (*it);
// Top-level scrollbar i.e. scrollbars who have a parent ScrollView
// with no parent are native, and thus do not need to be resized.
if (!scrollbar->parent() || !scrollbar->parent()->parent())
return;
int thickness = scrollbarThickness(scrollbar->controlSize());
if (scrollbar->orientation() == HorizontalScrollbar)
scrollbar->setFrameRect(IntRect(0, scrollbar->parent()->height() - thickness, scrollbar->width(), thickness));
else
scrollbar->setFrameRect(IntRect(scrollbar->parent()->width() - thickness, 0, thickness, scrollbar->height()));
}
}