void
nsXBLPrototypeHandler::GetEventType(nsAString& aEvent)
{
nsCOMPtr<nsIContent> handlerElement = GetHandlerElement();
if (!handlerElement) {
aEvent.Truncate();
return;
}
handlerElement->GetAttr(kNameSpaceID_None, nsGkAtoms::event, aEvent);
if (aEvent.IsEmpty() && (mType & NS_HANDLER_TYPE_XUL))
// If no type is specified for a XUL <key> element, let's assume that we're "keypress".
aEvent.AssignLiteral("keypress");
}
nsresult
nsXBLPrototypeHandler::DispatchXULKeyCommand(nsIDOMEvent* aEvent)
{
nsCOMPtr<nsIContent> handlerElement = GetHandlerElement();
NS_ENSURE_STATE(handlerElement);
if (handlerElement->AttrValueIs(kNameSpaceID_None,
nsGkAtoms::disabled,
nsGkAtoms::_true,
eCaseMatters)) {
// Don't dispatch command events for disabled keys.
return NS_OK;
}
aEvent->PreventDefault();
nsEventStatus status = nsEventStatus_eIgnore;
nsXULCommandEvent event(PR_TRUE, NS_XUL_COMMAND, nsnull);
// Copy the modifiers from the key event.
nsCOMPtr<nsIDOMKeyEvent> keyEvent = do_QueryInterface(aEvent);
if (!keyEvent) {
NS_ERROR("Trying to execute a key handler for a non-key event!");
return NS_ERROR_FAILURE;
}
keyEvent->GetAltKey(&event.isAlt);
keyEvent->GetCtrlKey(&event.isControl);
keyEvent->GetShiftKey(&event.isShift);
keyEvent->GetMetaKey(&event.isMeta);
nsPresContext *pc = nsnull;
nsIDocument *doc = handlerElement->GetCurrentDoc();
if (doc) {
nsIPresShell *shell = doc->GetPrimaryShell();
if (shell) {
pc = shell->GetPresContext();
}
}
nsEventDispatcher::Dispatch(handlerElement, pc, &event, nsnull, &status);
return NS_OK;
}
nsresult
nsXBLPrototypeHandler::DispatchXULKeyCommand(nsIDOMEvent* aEvent)
{
nsCOMPtr<nsIContent> handlerElement = GetHandlerElement();
NS_ENSURE_STATE(handlerElement);
if (handlerElement->AttrValueIs(kNameSpaceID_None,
nsGkAtoms::disabled,
nsGkAtoms::_true,
eCaseMatters)) {
// Don't dispatch command events for disabled keys.
return NS_OK;
}
aEvent->PreventDefault();
// Copy the modifiers from the key event.
nsCOMPtr<nsIDOMKeyEvent> keyEvent = do_QueryInterface(aEvent);
if (!keyEvent) {
NS_ERROR("Trying to execute a key handler for a non-key event!");
return NS_ERROR_FAILURE;
}
PRBool isAlt = PR_FALSE;
PRBool isControl = PR_FALSE;
PRBool isShift = PR_FALSE;
PRBool isMeta = PR_FALSE;
keyEvent->GetAltKey(&isAlt);
keyEvent->GetCtrlKey(&isControl);
keyEvent->GetShiftKey(&isShift);
keyEvent->GetMetaKey(&isMeta);
nsContentUtils::DispatchXULCommand(handlerElement, PR_TRUE,
nsnull, nsnull,
isControl, isAlt, isShift, isMeta);
return NS_OK;
}
