michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #include "nsISupportsUtils.h"
michael@0: #include "nsIMenuBoxObject.h"
michael@0: #include "nsBoxObject.h"
michael@0: #include "nsIDOMKeyEvent.h"
michael@0: #include "nsIFrame.h"
michael@0: #include "nsMenuBarFrame.h"
michael@0: #include "nsMenuBarListener.h"
michael@0: #include "nsMenuFrame.h"
michael@0: #include "nsMenuPopupFrame.h"
michael@0: 
michael@0: class nsMenuBoxObject : public nsIMenuBoxObject,
michael@0:                         public nsBoxObject
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_NSIMENUBOXOBJECT
michael@0: 
michael@0:   nsMenuBoxObject();
michael@0:   virtual ~nsMenuBoxObject();
michael@0: };
michael@0: 
michael@0: nsMenuBoxObject::nsMenuBoxObject()
michael@0: {
michael@0: }
michael@0: 
michael@0: nsMenuBoxObject::~nsMenuBoxObject()
michael@0: {
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS_INHERITED(nsMenuBoxObject, nsBoxObject, nsIMenuBoxObject)
michael@0: 
michael@0: /* void openMenu (in boolean openFlag); */
michael@0: NS_IMETHODIMP nsMenuBoxObject::OpenMenu(bool aOpenFlag)
michael@0: {
michael@0:   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
michael@0:   if (pm) {
michael@0:     nsIFrame* frame = GetFrame(false);
michael@0:     if (frame) {
michael@0:       if (aOpenFlag) {
michael@0:         nsCOMPtr<nsIContent> content = mContent;
michael@0:         pm->ShowMenu(content, false, false);
michael@0:       }
michael@0:       else {
michael@0:         nsMenuFrame* menu = do_QueryFrame(frame);
michael@0:         if (menu) {
michael@0:           nsMenuPopupFrame* popupFrame = menu->GetPopup();
michael@0:           if (popupFrame)
michael@0:             pm->HidePopup(popupFrame->GetContent(), false, true, false, false);
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsMenuBoxObject::GetActiveChild(nsIDOMElement** aResult)
michael@0: {
michael@0:   *aResult = nullptr;
michael@0:   nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
michael@0:   if (menu)
michael@0:     return menu->GetActiveChild(aResult);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsMenuBoxObject::SetActiveChild(nsIDOMElement* aResult)
michael@0: {
michael@0:   nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
michael@0:   if (menu)
michael@0:     return menu->SetActiveChild(aResult);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* boolean handleKeyPress (in nsIDOMKeyEvent keyEvent); */
michael@0: NS_IMETHODIMP nsMenuBoxObject::HandleKeyPress(nsIDOMKeyEvent* aKeyEvent, bool* aHandledFlag)
michael@0: {
michael@0:   *aHandledFlag = false;
michael@0:   NS_ENSURE_ARG(aKeyEvent);
michael@0: 
michael@0:   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
michael@0:   if (!pm)
michael@0:     return NS_OK;
michael@0: 
michael@0:   // if event has already been handled, bail
michael@0:   bool eventHandled = false;
michael@0:   aKeyEvent->GetDefaultPrevented(&eventHandled);
michael@0:   if (eventHandled)
michael@0:     return NS_OK;
michael@0: 
michael@0:   if (nsMenuBarListener::IsAccessKeyPressed(aKeyEvent))
michael@0:     return NS_OK;
michael@0: 
michael@0:   nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
michael@0:   if (!menu)
michael@0:     return NS_OK;
michael@0: 
michael@0:   nsMenuPopupFrame* popupFrame = menu->GetPopup();
michael@0:   if (!popupFrame)
michael@0:     return NS_OK;
michael@0: 
michael@0:   uint32_t keyCode;
michael@0:   aKeyEvent->GetKeyCode(&keyCode);
michael@0:   switch (keyCode) {
michael@0:     case nsIDOMKeyEvent::DOM_VK_UP:
michael@0:     case nsIDOMKeyEvent::DOM_VK_DOWN:
michael@0:     case nsIDOMKeyEvent::DOM_VK_HOME:
michael@0:     case nsIDOMKeyEvent::DOM_VK_END:
michael@0:     {
michael@0:       nsNavigationDirection theDirection;
michael@0:       theDirection = NS_DIRECTION_FROM_KEY_CODE(popupFrame, keyCode);
michael@0:       *aHandledFlag =
michael@0:         pm->HandleKeyboardNavigationInPopup(popupFrame, theDirection);
michael@0:       return NS_OK;
michael@0:     }
michael@0:     default:
michael@0:       *aHandledFlag = pm->HandleShortcutNavigation(aKeyEvent, popupFrame);
michael@0:       return NS_OK;
michael@0:   }
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsMenuBoxObject::GetOpenedWithKey(bool* aOpenedWithKey)
michael@0: {
michael@0:   *aOpenedWithKey = false;
michael@0: 
michael@0:   nsMenuFrame* menuframe = do_QueryFrame(GetFrame(false));
michael@0:   if (!menuframe)
michael@0:     return NS_OK;
michael@0: 
michael@0:   nsIFrame* frame = menuframe->GetParent();
michael@0:   while (frame) {
michael@0:     nsMenuBarFrame* menubar = do_QueryFrame(frame);
michael@0:     if (menubar) {
michael@0:       *aOpenedWithKey = menubar->IsActiveByKeyboard();
michael@0:       return NS_OK;
michael@0:     }
michael@0:     frame = frame->GetParent();
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: 
michael@0: // Creation Routine ///////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: nsresult
michael@0: NS_NewMenuBoxObject(nsIBoxObject** aResult)
michael@0: {
michael@0:   *aResult = new nsMenuBoxObject;
michael@0:   if (!*aResult)
michael@0:     return NS_ERROR_OUT_OF_MEMORY;
michael@0:   NS_ADDREF(*aResult);
michael@0:   return NS_OK;
michael@0: }
michael@0: