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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_INC_OSX_A11YFOCUSTRACKER_HXX
#define INCLUDED_VCL_INC_OSX_A11YFOCUSTRACKER_HXX
#include <com/sun/star/accessibility/XAccessible.hpp>
#include "keyboardfocuslistener.hxx"
#include <rtl/instance.hxx>
#include <tools/link.hxx>
#include <vcl/vclevent.hxx>
#include <set>
namespace vcl { class Window; }
class ToolBox;
class DocumentFocusListener;
class AquaA11yFocusTracker
{
public:
AquaA11yFocusTracker();
~AquaA11yFocusTracker();
css::uno::Reference< css::accessibility::XAccessible > const & getFocusedObject() { return m_xFocusedObject; };
// sets the currently focus object and notifies the FocusEventListener (if any)
void setFocusedObject(const css::uno::Reference< css::accessibility::XAccessible >& xAccessible);
// may evolve to add/remove later
void setFocusListener(const rtl::Reference< KeyboardFocusListener >& aFocusListener) { m_aFocusListener = aFocusListener; };
protected:
// received a WINDOW_GETFOCUS event for this window
void window_got_focus(vcl::Window *pWindow);
// received a TOOLBOX_HIGHLIGHT event for this window
void toolbox_highlight_on(vcl::Window *pWindow);
// received a TOOLBOX_HIGHLIGHTOFF event for this window
void toolbox_highlight_off(vcl::Window const *pWindow);
// received a TABPAGE_ACTIVATE event for this window
void tabpage_activated(vcl::Window *pWindow);
// received a MENU_HIGHLIGHT event for this window
void menu_highlighted(const ::VclMenuEvent *pEvent);
// toolbox items are widgets in gtk+ and Cocoa
void notify_toolbox_item_focus(ToolBox *pToolBox);
// toolbox item opened a floating window (e.g. color chooser)
void toolbox_open_floater(vcl::Window *pWindow);
// callback function for Application::addEventListener
static void WindowEventHandler(void * pThis, VclSimpleEvent&);
private:
// the accessible object that has the keyboard focus (if any)
css::uno::Reference< css::accessibility::XAccessible > m_xFocusedObject;
// the listener for focus events
rtl::Reference< KeyboardFocusListener > m_aFocusListener;
// the list of Windows that need deeper (focus) investigation
std::set<VclPtr<vcl::Window>> m_aDocumentWindowList;
// the link object needed for Application::addEventListener
Link<VclSimpleEvent&,void> m_aWindowEventLink;
// the UNO XAccessibilityEventListener for Documents and other non VCL objects
const rtl::Reference< DocumentFocusListener > m_xDocumentFocusListener;
};
struct TheAquaA11yFocusTracker:
rtl::Static<AquaA11yFocusTracker, TheAquaA11yFocusTracker>
{};
#endif // INCLUDED_VCL_INC_OSX_A11YFOCUSTRACKER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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