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| |
| #include "qiosplatformaccessibility.h" |
| #include "quiaccessibilityelement.h" |
| |
| #include <QtGui/private/qguiapplication_p.h> |
| |
| @implementation QUIView (Accessibility) |
| |
| - (void)createAccessibleElement:(QAccessibleInterface *)iface |
| { |
| if (!iface || iface->state().invisible || (iface->text(QAccessible::Name).isEmpty() && iface->text(QAccessible::Value).isEmpty() && iface->text(QAccessible::Description).isEmpty())) |
| return; |
| QAccessible::Id accessibleId = QAccessible::uniqueId(iface); |
| UIAccessibilityElement *elem = [[QT_MANGLE_NAMESPACE(QMacAccessibilityElement) alloc] initWithId:accessibleId withAccessibilityContainer:self]; |
| [m_accessibleElements addObject:elem]; |
| [elem release]; |
| } |
| |
| - (void)createAccessibleContainer:(QAccessibleInterface *)iface |
| { |
| if (!iface) |
| return; |
| |
| [self createAccessibleElement: iface]; |
| for (int i = 0; i < iface->childCount(); ++i) |
| [self createAccessibleContainer: iface->child(i)]; |
| } |
| |
| - (void)initAccessibility |
| { |
| static bool init = false; |
| if (!init) |
| QGuiApplicationPrivate::platformIntegration()->accessibility()->setActive(true); |
| init = true; |
| |
| if ([m_accessibleElements count]) |
| return; |
| |
| QWindow *win = self.platformWindow->window(); |
| QAccessibleInterface *iface = win->accessibleRoot(); |
| if (iface) |
| [self createAccessibleContainer: iface]; |
| } |
| |
| - (void)clearAccessibleCache |
| { |
| [m_accessibleElements removeAllObjects]; |
| UIAccessibilityPostNotification(UIAccessibilityScreenChangedNotification, @""); |
| } |
| |
| // this is a container, returning yes here means the functions below will never be called |
| - (BOOL)isAccessibilityElement |
| { |
| return NO; |
| } |
| |
| - (NSInteger)accessibilityElementCount |
| { |
| [self initAccessibility]; |
| return [m_accessibleElements count]; |
| } |
| |
| - (id)accessibilityElementAtIndex:(NSInteger)index |
| { |
| [self initAccessibility]; |
| if (NSUInteger(index) >= [m_accessibleElements count]) |
| return nil; |
| return m_accessibleElements[index]; |
| } |
| |
| - (NSInteger)indexOfAccessibilityElement:(id)element |
| { |
| [self initAccessibility]; |
| return [m_accessibleElements indexOfObject:element]; |
| } |
| |
| - (NSArray *)accessibilityElements |
| { |
| [self initAccessibility]; |
| return m_accessibleElements; |
| } |
| |
| @end |