winaccessibility/inc/AccEventListener.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
  23 #include <com/sun/star/accessibility/XAccessible.hpp>
  24
  25 #include <cppuhelper/implbase.hxx>
  26
  27 class AccObjectWinManager;
  28
  29 /**
  30  * AccEventListener is the general event listener for all controls. It defines the
  31  * procedure of all the event handling and provides the basic support for some simple
  32  * methods.
  33  */
  34 class AccEventListener : public ::cppu::WeakImplHelper<css::accessibility::XAccessibleEventListener>
  35 {
  36 protected:
  37     //accessible owner's pointer
  38     css::uno::Reference<css::accessibility::XAccessible> m_xAccessible;
  39     // reference to object's manager
  40     AccObjectWinManager& m_rObjManager;
  41
  42 public:
  43     AccEventListener(css::accessibility::XAccessible* pAcc, AccObjectWinManager& rManager);
  44     virtual ~AccEventListener() override;
  45
  46     // XEventListener
  47     virtual void SAL_CALL disposing(const css::lang::EventObject& Source) override;
  48
  49     // XAccessibleEventListener
  50     virtual void SAL_CALL
  51     notifyEvent(const css::accessibility::AccessibleEventObject& aEvent) override;
  52
  53     virtual void HandleNameChangedEvent();
  54
  55     virtual void HandleChildChangedEvent(css::uno::Any oldValue, css::uno::Any newValue);
  56     virtual void HandleDescriptionChangedEvent();
  57
  58     //for state changed event
  59     virtual void HandleStateChangedEvent(css::uno::Any oldValue, css::uno::Any newValue);
  60     virtual void SetComponentState(sal_Int64 state, bool enable);
  61     virtual void FireStatePropertyChange(sal_Int64 state, bool set);
  62     virtual void FireStateFocusedChange(bool enable);
  63
  64     //for bound rect changed event
  65     virtual void HandleBoundrectChangedEvent();
  66
  67     //for visible data changed event
  68     virtual void HandleVisibleDataChangedEvent();
  69
  70     // get the accessible role of m_xAccessible
  71     virtual short GetRole();
  72     //get the accessible parent's role
  73     virtual short GetParentRole();
  74
  75     void RemoveMeFromBroadcaster(bool isNotifyDestroy);
  76 };
  77
  78 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */