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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/KeyboardEvent.h"
#include "mozilla/dom/KeyboardEventBinding.h"
#include "mozilla/dom/Element.h"
#include "nsIFrame.h"
#include "nsMenuBarFrame.h"
#include "nsMenuBarListener.h"
#include "nsMenuFrame.h"
#include "nsMenuPopupFrame.h"
#include "mozilla/dom/XULMenuElement.h"
#include "mozilla/dom/XULMenuElementBinding.h"
#include "nsXULPopupManager.h"
namespace mozilla {
namespace dom {
JSObject* XULMenuElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return XULMenuElement_Binding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<Element> XULMenuElement::GetActiveChild() {
nsMenuFrame* menu = do_QueryFrame(GetPrimaryFrame(FlushType::Frames));
if (menu) {
RefPtr<Element> el;
menu->GetActiveChild(getter_AddRefs(el));
return el.forget();
}
return nullptr;
}
void XULMenuElement::SetActiveChild(Element* arg) {
nsMenuFrame* menu = do_QueryFrame(GetPrimaryFrame(FlushType::Frames));
if (menu) {
menu->SetActiveChild(arg);
}
}
bool XULMenuElement::HandleKeyPress(KeyboardEvent& keyEvent) {
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (!pm) {
return false;
}
// if event has already been handled, bail
if (keyEvent.DefaultPrevented()) {
return false;
}
if (nsMenuBarListener::IsAccessKeyPressed(&keyEvent)) return false;
nsMenuFrame* menu = do_QueryFrame(GetPrimaryFrame(FlushType::Frames));
if (!menu) {
return false;
}
nsMenuPopupFrame* popupFrame = menu->GetPopup();
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);
}
}
bool XULMenuElement::OpenedWithKey() {
nsMenuFrame* menuframe = do_QueryFrame(GetPrimaryFrame(FlushType::Frames));
if (!menuframe) {
return false;
}
nsIFrame* frame = menuframe->GetParent();
while (frame) {
nsMenuBarFrame* menubar = do_QueryFrame(frame);
if (menubar) {
return menubar->IsActiveByKeyboard();
}
frame = frame->GetParent();
}
return false;
}
} // namespace dom
} // namespace mozilla