chart2/source/controller/inc/AccessibleChartView.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_CHART2_SOURCE_CONTROLLER_INC_ACCESSIBLECHARTVIEW_HXX
  20 #define INCLUDED_CHART2_SOURCE_CONTROLLER_INC_ACCESSIBLECHARTVIEW_HXX
  21
  22 #include "AccessibleBase.hxx"
  23 #include <cppuhelper/implbase.hxx>
  24 #include <cppuhelper/weakref.hxx>
  25 #include <com/sun/star/lang/XInitialization.hpp>
  26 #include <com/sun/star/view/XSelectionChangeListener.hpp>
  27
  28 #include <memory>
  29
  30 namespace com { namespace sun { namespace star { namespace accessibility { class XAccessible; } } } }
  31 namespace com { namespace sun { namespace star { namespace awt { class XWindow; } } } }
  32 namespace com { namespace sun { namespace star { namespace frame { class XModel; } } } }
  33 namespace com { namespace sun { namespace star { namespace view { class XSelectionSupplier; } } } }
  34
  35 namespace accessibility
  36 {
  37 class IAccessibleViewForwarder;
  38 }
  39
  40 namespace chart
  41 {
  42
  43 namespace impl
  44 {
  45 typedef ::cppu::ImplInheritanceHelper<
  46         ::chart::AccessibleBase,
  47         css::lang::XInitialization,
  48         css::view::XSelectionChangeListener >
  49     AccessibleChartView_Base;
  50 }
  51
  52 class AccessibleChartView :
  53         public impl::AccessibleChartView_Base
  54 {
  55 public:
  56     AccessibleChartView(SdrView* pView );
  57     virtual ~AccessibleChartView() override;
  58
  59     AccessibleChartView() = delete;
  60
  61     // ____ WeakComponentHelper (called from XComponent::dispose()) ____
  62     using AccessibleBase::disposing;
  63
  64     // ____ lang::XInitialization ____
  65     // 0: view::XSelectionSupplier offers notifications for selection changes and access to the selection itself
  66     // 1: frame::XModel representing the chart model - offers access to object data
  67     // 2: lang::XInterface representing the normal chart view - offers access to some extra object data
  68     // 3: accessibility::XAccessible representing the parent accessible
  69     // 4: awt::XWindow representing the view's window (is a vcl Window)
  70     // all arguments are only valid until next initialization - don't keep them longer
  71     virtual void SAL_CALL initialize(
  72         const css::uno::Sequence< css::uno::Any >& aArguments ) override;
  73
  74     // ____ view::XSelectionChangeListener ____
  75     virtual void SAL_CALL selectionChanged( const css::lang::EventObject& aEvent ) override;
  76
  77     // ________ XEventListener ________
  78     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
  79
  80     // ________ XAccessibleContext ________
  81     virtual OUString SAL_CALL getAccessibleDescription() override;
  82     virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent() override;
  83     virtual sal_Int32 SAL_CALL getAccessibleIndexInParent() override;
  84     virtual OUString SAL_CALL getAccessibleName() override;
  85     virtual sal_Int16 SAL_CALL getAccessibleRole() override;
  86
  87     // ________ XAccessibleComponent ________
  88     virtual css::awt::Rectangle SAL_CALL getBounds() override;
  89     virtual css::awt::Point SAL_CALL getLocationOnScreen() override;
  90
  91 protected:
  92     // ________ AccessibleChartElement ________
  93     virtual css::awt::Point   GetUpperLeftOnScreen() const override;
  94
  95 private: // methods
  96     /** @return the result that m_xWindow->getPosSize() _should_ return.  It
  97                 returns (0,0) as upper left corner.  When calling
  98                 getAccessibleParent, you get the parent's parent, which contains
  99                 a decoration.  Thus you have an offset of (currently) (2,2)
 100                 which isn't taken into account.
 101      */
 102     css::awt::Rectangle GetWindowPosSize() const;
 103
 104 private: // members
 105     css::uno::WeakReference< css::view::XSelectionSupplier >        m_xSelectionSupplier;
 106     css::uno::WeakReference< css::frame::XModel >                   m_xChartModel;
 107     css::uno::WeakReference< css::uno::XInterface >                 m_xChartView;
 108     css::uno::WeakReference< css::awt::XWindow >                    m_xWindow;
 109     css::uno::WeakReference< css::accessibility::XAccessible >      m_xParent;
 110
 111     std::shared_ptr< ObjectHierarchy >                              m_spObjectHierarchy;
 112     AccessibleUniqueId                                              m_aCurrentSelectionOID;
 113     SdrView*                                                        m_pSdrView;
 114     std::unique_ptr<::accessibility::IAccessibleViewForwarder>      m_pViewForwarder;
 115 };
 116
 117 } //namespace chart
 118 #endif
 119
 120 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */