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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/XULMenuElement.h"
#include "mozilla/StaticAnalysisFunctions.h"
#include "mozilla/dom/XULButtonElement.h"
#include "mozilla/dom/XULMenuElementBinding.h"
#include "mozilla/dom/XULPopupElement.h"
#include "mozilla/dom/KeyboardEvent.h"
#include "mozilla/dom/KeyboardEventBinding.h"
#include "nsXULPopupManager.h"
#include "nsMenuPopupFrame.h"
namespace mozilla::dom {
JSObject* XULMenuElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return XULMenuElement_Binding::Wrap(aCx, this, aGivenProto);
}
Element* XULMenuElement::GetActiveMenuChild() {
RefPtr popup = GetMenuPopupContent();
return popup ? popup->GetActiveMenuChild() : nullptr;
}
void XULMenuElement::SetActiveMenuChild(Element* aChild) {
RefPtr popup = GetMenuPopupContent();
if (NS_WARN_IF(!popup)) {
return;
}
if (!aChild) {
popup->SetActiveMenuChild(nullptr);
return;
}
auto* button = XULButtonElement::FromNode(aChild);
if (NS_WARN_IF(!button) || NS_WARN_IF(!button->IsMenu())) {
return;
}
// KnownLive because it's aChild.
popup->SetActiveMenuChild(MOZ_KnownLive(button));
}
bool XULButtonElement::HandleKeyPress(KeyboardEvent& keyEvent) {
RefPtr<nsXULPopupManager> pm = nsXULPopupManager::GetInstance();
if (!pm) {
return false;
}
// if event has already been handled, bail
if (keyEvent.DefaultPrevented()) {
return false;
}
if (keyEvent.IsMenuAccessKeyPressed()) {
return false;
}
nsMenuPopupFrame* popupFrame = GetMenuPopup(FlushType::Frames);
if (NS_WARN_IF(!popupFrame)) {
return false;
}
uint32_t keyCode = keyEvent.KeyCode();
switch (keyCode) {
case KeyboardEvent_Binding::DOM_VK_UP:
case KeyboardEvent_Binding::DOM_VK_DOWN:
case KeyboardEvent_Binding::DOM_VK_HOME:
case KeyboardEvent_Binding::DOM_VK_END: {
nsNavigationDirection theDirection;
theDirection = NS_DIRECTION_FROM_KEY_CODE(popupFrame, keyCode);
return pm->HandleKeyboardNavigationInPopup(popupFrame, theDirection);
}
default:
return pm->HandleShortcutNavigation(keyEvent, popupFrame);
}
}
} // namespace mozilla::dom
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