Create the Goanna Runtime Environment

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;
+}