1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/xul/nsMenuBoxObject.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,159 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +#include "nsISupportsUtils.h"
1.9 +#include "nsIMenuBoxObject.h"
1.10 +#include "nsBoxObject.h"
1.11 +#include "nsIDOMKeyEvent.h"
1.12 +#include "nsIFrame.h"
1.13 +#include "nsMenuBarFrame.h"
1.14 +#include "nsMenuBarListener.h"
1.15 +#include "nsMenuFrame.h"
1.16 +#include "nsMenuPopupFrame.h"
1.17 +
1.18 +class nsMenuBoxObject : public nsIMenuBoxObject,
1.19 + public nsBoxObject
1.20 +{
1.21 +public:
1.22 + NS_DECL_ISUPPORTS_INHERITED
1.23 + NS_DECL_NSIMENUBOXOBJECT
1.24 +
1.25 + nsMenuBoxObject();
1.26 + virtual ~nsMenuBoxObject();
1.27 +};
1.28 +
1.29 +nsMenuBoxObject::nsMenuBoxObject()
1.30 +{
1.31 +}
1.32 +
1.33 +nsMenuBoxObject::~nsMenuBoxObject()
1.34 +{
1.35 +}
1.36 +
1.37 +NS_IMPL_ISUPPORTS_INHERITED(nsMenuBoxObject, nsBoxObject, nsIMenuBoxObject)
1.38 +
1.39 +/* void openMenu (in boolean openFlag); */
1.40 +NS_IMETHODIMP nsMenuBoxObject::OpenMenu(bool aOpenFlag)
1.41 +{
1.42 + nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
1.43 + if (pm) {
1.44 + nsIFrame* frame = GetFrame(false);
1.45 + if (frame) {
1.46 + if (aOpenFlag) {
1.47 + nsCOMPtr<nsIContent> content = mContent;
1.48 + pm->ShowMenu(content, false, false);
1.49 + }
1.50 + else {
1.51 + nsMenuFrame* menu = do_QueryFrame(frame);
1.52 + if (menu) {
1.53 + nsMenuPopupFrame* popupFrame = menu->GetPopup();
1.54 + if (popupFrame)
1.55 + pm->HidePopup(popupFrame->GetContent(), false, true, false, false);
1.56 + }
1.57 + }
1.58 + }
1.59 + }
1.60 +
1.61 + return NS_OK;
1.62 +}
1.63 +
1.64 +NS_IMETHODIMP nsMenuBoxObject::GetActiveChild(nsIDOMElement** aResult)
1.65 +{
1.66 + *aResult = nullptr;
1.67 + nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
1.68 + if (menu)
1.69 + return menu->GetActiveChild(aResult);
1.70 + return NS_OK;
1.71 +}
1.72 +
1.73 +NS_IMETHODIMP nsMenuBoxObject::SetActiveChild(nsIDOMElement* aResult)
1.74 +{
1.75 + nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
1.76 + if (menu)
1.77 + return menu->SetActiveChild(aResult);
1.78 + return NS_OK;
1.79 +}
1.80 +
1.81 +/* boolean handleKeyPress (in nsIDOMKeyEvent keyEvent); */
1.82 +NS_IMETHODIMP nsMenuBoxObject::HandleKeyPress(nsIDOMKeyEvent* aKeyEvent, bool* aHandledFlag)
1.83 +{
1.84 + *aHandledFlag = false;
1.85 + NS_ENSURE_ARG(aKeyEvent);
1.86 +
1.87 + nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
1.88 + if (!pm)
1.89 + return NS_OK;
1.90 +
1.91 + // if event has already been handled, bail
1.92 + bool eventHandled = false;
1.93 + aKeyEvent->GetDefaultPrevented(&eventHandled);
1.94 + if (eventHandled)
1.95 + return NS_OK;
1.96 +
1.97 + if (nsMenuBarListener::IsAccessKeyPressed(aKeyEvent))
1.98 + return NS_OK;
1.99 +
1.100 + nsMenuFrame* menu = do_QueryFrame(GetFrame(false));
1.101 + if (!menu)
1.102 + return NS_OK;
1.103 +
1.104 + nsMenuPopupFrame* popupFrame = menu->GetPopup();
1.105 + if (!popupFrame)
1.106 + return NS_OK;
1.107 +
1.108 + uint32_t keyCode;
1.109 + aKeyEvent->GetKeyCode(&keyCode);
1.110 + switch (keyCode) {
1.111 + case nsIDOMKeyEvent::DOM_VK_UP:
1.112 + case nsIDOMKeyEvent::DOM_VK_DOWN:
1.113 + case nsIDOMKeyEvent::DOM_VK_HOME:
1.114 + case nsIDOMKeyEvent::DOM_VK_END:
1.115 + {
1.116 + nsNavigationDirection theDirection;
1.117 + theDirection = NS_DIRECTION_FROM_KEY_CODE(popupFrame, keyCode);
1.118 + *aHandledFlag =
1.119 + pm->HandleKeyboardNavigationInPopup(popupFrame, theDirection);
1.120 + return NS_OK;
1.121 + }
1.122 + default:
1.123 + *aHandledFlag = pm->HandleShortcutNavigation(aKeyEvent, popupFrame);
1.124 + return NS_OK;
1.125 + }
1.126 +}
1.127 +
1.128 +NS_IMETHODIMP
1.129 +nsMenuBoxObject::GetOpenedWithKey(bool* aOpenedWithKey)
1.130 +{
1.131 + *aOpenedWithKey = false;
1.132 +
1.133 + nsMenuFrame* menuframe = do_QueryFrame(GetFrame(false));
1.134 + if (!menuframe)
1.135 + return NS_OK;
1.136 +
1.137 + nsIFrame* frame = menuframe->GetParent();
1.138 + while (frame) {
1.139 + nsMenuBarFrame* menubar = do_QueryFrame(frame);
1.140 + if (menubar) {
1.141 + *aOpenedWithKey = menubar->IsActiveByKeyboard();
1.142 + return NS_OK;
1.143 + }
1.144 + frame = frame->GetParent();
1.145 + }
1.146 +
1.147 + return NS_OK;
1.148 +}
1.149 +
1.150 +
1.151 +// Creation Routine ///////////////////////////////////////////////////////////////////////
1.152 +
1.153 +nsresult
1.154 +NS_NewMenuBoxObject(nsIBoxObject** aResult)
1.155 +{
1.156 + *aResult = new nsMenuBoxObject;
1.157 + if (!*aResult)
1.158 + return NS_ERROR_OUT_OF_MEMORY;
1.159 + NS_ADDREF(*aResult);
1.160 + return NS_OK;
1.161 +}
1.162 +
