chart2/source/controller/inc/AccessibleChartView.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.
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   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
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   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 #pragma once
  20
  21 #include "AccessibleBase.hxx"
  22 #include <cppuhelper/implbase.hxx>
  23 #include <cppuhelper/weakref.hxx>
  24 #include <com/sun/star/lang/XInitialization.hpp>
  25 #include <com/sun/star/view/XSelectionChangeListener.hpp>
  26
  27 #include <memory>
  28
  29 namespace com::sun::star::accessibility { class XAccessible; }
  30 namespace com::sun::star::awt { class XWindow; }
  31 namespace com::sun::star::frame { class XModel; }
  32 namespace com::sun::star::view { class XSelectionSupplier; }
  33
  34 namespace accessibility
  35 {
  36 class IAccessibleViewForwarder;
  37 }
  38
  39 namespace chart
  40 {
  41 class ChartView;
  42
  43 namespace impl
  44 {
  45 typedef ::cppu::ImplInheritanceHelper<
  46         ::chart::AccessibleBase,
  47         css::view::XSelectionChangeListener >
  48     AccessibleChartView_Base;
  49 }
  50
  51 class AccessibleChartView final :
  52         public impl::AccessibleChartView_Base
  53 {
  54 public:
  55     AccessibleChartView( SdrView* pView );
  56     virtual ~AccessibleChartView() override;
  57
  58     AccessibleChartView() = delete;
  59
  60     // ____ WeakComponentHelper (called from XComponent::dispose()) ____
  61     using AccessibleBase::disposing;
  62
  63     // 0: view::XSelectionSupplier offers notifications for selection changes and access to the selection itself
  64     // 1: frame::XModel representing the chart model - offers access to object data
  65     // 2: lang::XInterface representing the normal chart view - offers access to some extra object data
  66     // 3: accessibility::XAccessible representing the parent accessible
  67     // 4: awt::XWindow representing the view's window (is a vcl Window)
  68     // all arguments are only valid until next initialization - don't keep them longer
  69     void initialize( ChartController& rChartController,
  70                      const rtl::Reference<::chart::ChartModel>& xChartModel,
  71                      const rtl::Reference<::chart::ChartView>& xChartView,
  72                      const css::uno::Reference< css::accessibility::XAccessible >& xParent,
  73                      const css::uno::Reference<css::awt::XWindow>& xViewWindow );
  74     // used to disconnect from view
  75     void initialize();
  76
  77     // ____ view::XSelectionChangeListener ____
  78     virtual void SAL_CALL selectionChanged( const css::lang::EventObject& aEvent ) override;
  79
  80     // ________ XEventListener ________
  81     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
  82
  83     // ________ XAccessibleContext ________
  84     virtual OUString SAL_CALL getAccessibleDescription() override;
  85     virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent() override;
  86     virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override;
  87     virtual OUString SAL_CALL getAccessibleName() override;
  88     virtual sal_Int16 SAL_CALL getAccessibleRole() override;
  89
  90     // ________ XAccessibleComponent ________
  91     virtual css::awt::Rectangle SAL_CALL getBounds() override;
  92     virtual css::awt::Point SAL_CALL getLocationOnScreen() override;
  93
  94 protected:
  95     // ________ AccessibleChartElement ________
  96     virtual css::awt::Point   GetUpperLeftOnScreen() const override;
  97
  98 private: // methods
  99     /** @return the result that m_xWindow->getPosSize() _should_ return.  It
 100                 returns (0,0) as upper left corner.  When calling
 101                 getAccessibleParent, you get the parent's parent, which contains
 102                 a decoration.  Thus you have an offset of (currently) (2,2)
 103                 which isn't taken into account.
 104      */
 105     css::awt::Rectangle GetWindowPosSize() const;
 106
 107 private: // members
 108     unotools::WeakReference< ::chart::ChartController >             m_xChartController;
 109     unotools::WeakReference< ::chart::ChartModel >                  m_xChartModel;
 110     unotools::WeakReference< ChartView >                            m_xChartView;
 111     css::uno::WeakReference< css::awt::XWindow >                    m_xWindow;
 112     css::uno::WeakReference< css::accessibility::XAccessible >      m_xParent;
 113
 114     std::shared_ptr< ObjectHierarchy >                              m_spObjectHierarchy;
 115     AccessibleUniqueId                                              m_aCurrentSelectionOID;
 116     SdrView*                                                        m_pSdrView;
 117     std::unique_ptr<::accessibility::IAccessibleViewForwarder>      m_pViewForwarder;
 118 };
 119
 120 } //namespace chart
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */