nsresult
nsXBLWindowKeyHandler::WalkHandlers(nsIDOMKeyEvent* aKeyEvent, nsIAtom* aEventType)
{
nsCOMPtr<nsIDOMNSUIEvent> evt = do_QueryInterface(aKeyEvent);
PRBool prevent;
evt->GetPreventDefault(&prevent);
if (prevent)
return NS_OK;
nsCOMPtr<nsIDOMNSEvent> domNSEvent = do_QueryInterface(aKeyEvent);
PRBool trustedEvent = PR_FALSE;
if (domNSEvent) {
//Don't process the event if it was not dispatched from a trusted source
domNSEvent->GetIsTrusted(&trustedEvent);
}
if (!trustedEvent)
return NS_OK;
PRBool isEditor;
nsresult rv = EnsureHandlers(&isEditor);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDOMElement> el = GetElement();
if (!el) {
if (mUserHandler) {
WalkHandlersInternal(aKeyEvent, aEventType, mUserHandler);
evt->GetPreventDefault(&prevent);
if (prevent)
return NS_OK; // Handled by the user bindings. Our work here is done.
}
}
WalkHandlersInternal(aKeyEvent, aEventType, mHandler);
nsINativeKeyBindings *nativeBindings;
if (isEditor && (nativeBindings = GetEditorKeyBindings())) {
nsNativeKeyEvent nativeEvent;
// get the DOM window we're attached to
nsCOMPtr<nsIControllers> controllers;
nsCOMPtr<nsPIWindowRoot> root = do_QueryInterface(mTarget);
if (root) {
nsCOMPtr<nsIFocusController> fc;
root->GetFocusController(getter_AddRefs(fc));
if (fc) {
fc->GetControllers(getter_AddRefs(controllers));
}
}
PRBool handled;
if (aEventType == nsGkAtoms::keypress) {
nsContentUtils::DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent, PR_TRUE);
handled = sNativeEditorBindings->KeyPress(nativeEvent,
DoCommandCallback, controllers);
} else if (aEventType == nsGkAtoms::keyup) {
nsContentUtils::DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent, PR_FALSE);
handled = sNativeEditorBindings->KeyUp(nativeEvent,
DoCommandCallback, controllers);
} else {
nsContentUtils::DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent, PR_FALSE);
handled = sNativeEditorBindings->KeyDown(nativeEvent,
DoCommandCallback, controllers);
}
if (handled)
aKeyEvent->PreventDefault();
}
return NS_OK;
}
nsresult
nsXBLWindowKeyHandler::WalkHandlers(nsIDOMKeyEvent* aKeyEvent, nsIAtom* aEventType)
{
nsCOMPtr<nsIDOMNSUIEvent> evt = do_QueryInterface(aKeyEvent);
PRBool prevent;
evt->GetPreventDefault(&prevent);
if (prevent)
return NS_OK;
nsCOMPtr<nsIDOMNSEvent> domNSEvent = do_QueryInterface(aKeyEvent);
PRBool trustedEvent = PR_FALSE;
if (domNSEvent) {
//Don't process the event if it was not dispatched from a trusted source
domNSEvent->GetIsTrusted(&trustedEvent);
}
if (!trustedEvent)
return NS_OK;
PRBool isEditor;
nsresult rv = EnsureHandlers(&isEditor);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDOMElement> el = GetElement();
if (!el) {
if (mUserHandler) {
WalkHandlersInternal(aKeyEvent, aEventType, mUserHandler);
evt->GetPreventDefault(&prevent);
if (prevent)
return NS_OK; // Handled by the user bindings. Our work here is done.
}
}
nsCOMPtr<nsIContent> content = do_QueryInterface(el);
// skip keysets that are disabled
if (content && content->AttrValueIs(kNameSpaceID_None, nsGkAtoms::disabled,
nsGkAtoms::_true, eCaseMatters)) {
return NS_OK;
}
WalkHandlersInternal(aKeyEvent, aEventType, mHandler);
if (isEditor && GetEditorKeyBindings()) {
nsNativeKeyEvent nativeEvent;
// get the DOM window we're attached to
nsCOMPtr<nsIControllers> controllers;
nsCOMPtr<nsPIWindowRoot> root = do_QueryInterface(mTarget);
if (root) {
root->GetControllers(getter_AddRefs(controllers));
}
PRBool handled = PR_FALSE;
if (aEventType == nsGkAtoms::keypress) {
if (nsContentUtils::DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent, PR_TRUE))
handled = sNativeEditorBindings->KeyPress(nativeEvent,
DoCommandCallback, controllers);
} else if (aEventType == nsGkAtoms::keyup) {
if (nsContentUtils::DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent, PR_FALSE))
handled = sNativeEditorBindings->KeyUp(nativeEvent,
DoCommandCallback, controllers);
} else {
NS_ASSERTION(aEventType == nsGkAtoms::keydown, "unknown key event type");
if (nsContentUtils::DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent, PR_FALSE))
handled = sNativeEditorBindings->KeyDown(nativeEvent,
DoCommandCallback, controllers);
}
if (handled)
aKeyEvent->PreventDefault();
}
return NS_OK;
}
