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-rw-r--r--layout/xul/MenuBoxObject.cpp151
1 files changed, 151 insertions, 0 deletions
diff --git a/layout/xul/MenuBoxObject.cpp b/layout/xul/MenuBoxObject.cpp
new file mode 100644
index 000000000..ab105fd17
--- /dev/null
+++ b/layout/xul/MenuBoxObject.cpp
@@ -0,0 +1,151 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/MenuBoxObject.h"
+#include "mozilla/dom/MenuBoxObjectBinding.h"
+
+#include "mozilla/dom/KeyboardEvent.h"
+#include "mozilla/dom/Element.h"
+#include "nsIDOMKeyEvent.h"
+#include "nsIFrame.h"
+#include "nsMenuBarFrame.h"
+#include "nsMenuBarListener.h"
+#include "nsMenuFrame.h"
+#include "nsMenuPopupFrame.h"
+
+namespace mozilla {
+namespace dom {
+
+MenuBoxObject::MenuBoxObject()
+{
+}
+
+MenuBoxObject::~MenuBoxObject()
+{
+}
+
+JSObject* MenuBoxObject::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return MenuBoxObjectBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void MenuBoxObject::OpenMenu(bool aOpenFlag)
+{
+ nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
+ if (pm) {
+ nsIFrame* frame = GetFrame(false);
+ if (frame) {
+ if (aOpenFlag) {
+ nsCOMPtr<nsIContent> content = mContent;
+ pm->ShowMenu(content, false, false);
+ }
+ else {
+ nsMenuFrame* menu = do_QueryFrame(frame);
+ if (menu) {
+ nsMenuPopupFrame* popupFrame = menu->GetPopup();
+ if (popupFrame)
+ pm->HidePopup(popupFrame->GetContent(), false, true, false, false);
+ }
+ }
+ }
+ }
+}
+
+already_AddRefed<Element>
+MenuBoxObject::GetActiveChild()
+{
+ nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
+ if (menu) {
+ nsCOMPtr<nsIDOMElement> el;
+ menu->GetActiveChild(getter_AddRefs(el));
+ nsCOMPtr<Element> ret(do_QueryInterface(el));
+ return ret.forget();
+ }
+ return nullptr;
+}
+
+void MenuBoxObject::SetActiveChild(Element* arg)
+{
+ nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
+ if (menu) {
+ nsCOMPtr<nsIDOMElement> el(do_QueryInterface(arg));
+ menu->SetActiveChild(el);
+ }
+}
+
+bool MenuBoxObject::HandleKeyPress(KeyboardEvent& keyEvent)
+{
+ nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
+ if (!pm) {
+ return false;
+ }
+
+ // if event has already been handled, bail
+ bool eventHandled = false;
+ keyEvent.GetDefaultPrevented(&eventHandled);
+ if (eventHandled) {
+ return false;
+ }
+
+ if (nsMenuBarListener::IsAccessKeyPressed(&keyEvent))
+ return false;
+
+ nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
+ if (!menu) {
+ return false;
+ }
+
+ nsMenuPopupFrame* popupFrame = menu->GetPopup();
+ if (!popupFrame) {
+ return false;
+ }
+
+ uint32_t keyCode = keyEvent.KeyCode();
+ switch (keyCode) {
+ case nsIDOMKeyEvent::DOM_VK_UP:
+ case nsIDOMKeyEvent::DOM_VK_DOWN:
+ case nsIDOMKeyEvent::DOM_VK_HOME:
+ case nsIDOMKeyEvent::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 MenuBoxObject::OpenedWithKey()
+{
+ nsMenuFrame* menuframe = do_QueryFrame(GetFrame(false));
+ 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
+
+// Creation Routine ///////////////////////////////////////////////////////////////////////
+
+using namespace mozilla::dom;
+
+nsresult
+NS_NewMenuBoxObject(nsIBoxObject** aResult)
+{
+ NS_ADDREF(*aResult = new MenuBoxObject());
+ return NS_OK;
+}