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/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef _AQUA11YFOCUSTRACKER_HXX_
#define _AQUA11YFOCUSTRACKER_HXX_
#ifndef _COM_SUN_STAR_ACCESSIBILITY_XACCESSIBLE_HPP_
#include <com/sun/star/accessibility/XAccessible.hpp>
#endif
#include "keyboardfocuslistener.hxx"
#include <rtl/instance.hxx>
#include <tools/link.hxx>
#include <vcl/vclevent.hxx>
#include <set>
class Window;
class ToolBox;
class DocumentFocusListener;
// ------------------------
// - AquaA11yFocusTracker -
// ------------------------
class AquaA11yFocusTracker : public rtl::Static< AquaA11yFocusTracker, AquaA11yFocusTracker>
{
public:
AquaA11yFocusTracker();
::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > getFocusedObject() { return m_xFocusedObject; };
// sets the currently focus object and notifies the FocusEventListener (if any)
void setFocusedObject(const ::com::sun::star::uno::Reference< ::com::sun::star::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
virtual void window_got_focus(Window *pWindow);
// received a TOOLBOX_HIGHLIGHT event for this window
virtual void toolbox_highlight_on(Window *pWindow);
// received a TOOLBOX_HIGHLIGHTOFF event for this window
virtual void toolbox_highlight_off(Window *pWindow);
// received a TABPAGE_ACTIVATE event for this window
virtual void tabpage_activated(Window *pWindow);
// received a MENU_HIGHLIGHT event for this window
virtual void menu_highlighted(const ::VclMenuEvent *pEvent);
// toolbox items are widgets in gtk+ and Cocoa
virtual void notify_toolbox_item_focus(ToolBox *pToolBox);
// toolbox item opened a floating window (e.g. color chooser)
virtual void toolbox_open_floater(Window *pWindow);
// callback function for Application::addEventListener
static long WindowEventHandler(AquaA11yFocusTracker *pFocusTracker, ::VclSimpleEvent const *pEvent);
private:
// the accessible object that has the keyboard focus (if any)
::com::sun::star::uno::Reference< ::com::sun::star::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< Window *> m_aDocumentWindowList;
// the link object needed for Application::addEventListener
Link m_aWindowEventLink;
// the UNO XAccessibilityEventListener for Documents and other non VCL objects
const ::com::sun::star::uno::Reference< DocumentFocusListener > m_xDocumentFocusListener;
};
#endif // _AQUA11YFOCUSTRACKER_HXX_
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