vcl/unx/gtk3/a11y/atklistener.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  19
  20 #ifndef INCLUDED_VCL_UNX_GTK_A11Y_ATKLISTENER_HXX
  21 #define INCLUDED_VCL_UNX_GTK_A11Y_ATKLISTENER_HXX
  22
  23 #include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
  24 #include <cppuhelper/implbase.hxx>
  25
  26 #include <vector>
  27
  28 #include "atkwrapper.hxx"
  29
  30 class AtkListener : public ::cppu::WeakImplHelper< css::accessibility::XAccessibleEventListener >
  31 {
  32 public:
  33     explicit AtkListener(AtkObjectWrapper * pWrapper);
  34
  35     // XEventListener
  36     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
  37
  38     // XAccessibleEventListener
  39     virtual void SAL_CALL notifyEvent( const css::accessibility::AccessibleEventObject& aEvent ) override;
  40
  41 private:
  42
  43     AtkObjectWrapper *mpWrapper;
  44     std::vector< css::uno::Reference< css::accessibility::XAccessible > >
  45                       m_aChildList;
  46
  47     virtual ~AtkListener() override;
  48
  49     // Updates the child list held to provide the old IndexInParent on children_changed::remove
  50     void updateChildList(
  51         css::uno::Reference<css::accessibility::XAccessibleContext> const &
  52             pContext);
  53
  54     // Process CHILD_EVENT notifications with a new child added
  55     void handleChildAdded(
  56         const css::uno::Reference< css::accessibility::XAccessibleContext >& rxParent,
  57         const css::uno::Reference< css::accessibility::XAccessible>& rxChild);
  58
  59     // Process CHILD_EVENT notifications with a child removed
  60     void handleChildRemoved(
  61         const css::uno::Reference< css::accessibility::XAccessibleContext >& rxParent,
  62         const css::uno::Reference< css::accessibility::XAccessible>& rxChild);
  63
  64     // Process INVALIDATE_ALL_CHILDREN notification
  65     void handleInvalidateChildren(
  66         const css::uno::Reference< css::accessibility::XAccessibleContext >& rxParent);
  67 };
  68
  69 #endif // INCLUDED_VCL_UNX_GTK_A11Y_ATKLISTENER_HXX
  70
  71 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */