private void accessibilityPrepare() {
// Add ARIA roles for accessibility
Roles.getButtonRole().set(backButton.getElement());
Roles.getButtonRole().setAriaLabelProperty(backButton.getElement(), "back");
Roles.getHeadingRole().set(heading.getElement());
Roles.getMenuRole().set(daysOfWeek.getElement());
Roles.getMenuRole().setAriaLabelProperty(daysOfWeek.getElement(), "select a departing day");
Roles.getMenuRole().setTabindexExtraAttribute(daysOfWeek.getElement(), 0);
Roles.getMainRole().set(times.getElement());
Roles.getMainRole().set(cameras.getElement());
Roles.getTabRole().set(timesTab.getElement());
Roles.getTabRole().setAriaSelectedState(timesTab.getElement(), SelectedValue.TRUE);
Roles.getTabRole().setAriaLabelProperty(timesTab.getElement(), "times");
Roles.getTabRole().set(camerasTab.getElement());
Roles.getTabRole().setAriaSelectedState(camerasTab.getElement(), SelectedValue.FALSE);
Roles.getTabRole().setAriaLabelProperty(camerasTab.getElement(), "cameras");
Roles.getProgressbarRole().set(progressIndicator.getElement());
Roles.getProgressbarRole()
.setAriaLabelProperty(progressIndicator.getElement(), "loading indicator");
// TODO Hide pull down until we can figure out how to get VoiceOver to work with it
Roles.getButtonRole().setAriaHiddenState(pullArrowHeader.getElement(), true);
accessibilityShowTimes();
}
@Override
public void hideProgressIndicator() {
progressIndicator.setVisible(false);
}
@Override
public void showProgressIndicator() {
progressIndicator.setVisible(true);
}