AccessibleShape.hxx

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#ifndef INCLUDED_SVX_ACCESSIBLESHAPE_HXX
#define INCLUDED_SVX_ACCESSIBLESHAPE_HXX

#include <com/sun/star/accessibility/AccessibleScrollType.hpp>
#include <com/sun/star/accessibility/TextSegment.hpp>
#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
#include <com/sun/star/accessibility/XAccessibleExtendedAttributes.hpp>
#include <com/sun/star/accessibility/XAccessibleGroupPosition.hpp>
#include <com/sun/star/accessibility/XAccessibleHypertext.hpp>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/awt/Size.hpp>
#include <com/sun/star/document/XShapeEventListener.hpp>
#include <com/sun/star/lang/EventObject.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/uno/Type.hxx>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <comphelper/servicehelper.hxx>
#include <editeng/AccessibleContextBase.hxx>
#include <editeng/AccessibleComponentBase.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <svx/AccessibleShapeTreeInfo.hxx>
#include <svx/IAccessibleViewForwarderListener.hxx>
#include <svx/svxdllapi.h>
#include <memory>

namespace com::sun::star {
    namespace accessibility { class XAccessible; }
    namespace accessibility { class XAccessibleEventListener; }
    namespace accessibility { class XAccessibleHyperlink; }
    namespace accessibility { class XAccessibleRelationSet; }
    namespace accessibility { class XAccessibleStateSet; }
    namespace beans { struct PropertyValue; }
    namespace document { struct EventObject; }
    namespace drawing { class XShape; }
    namespace uno { class XInterface; }
}

class SdrObject;

namespace accessibility {

class AccessibleShapeInfo;
class AccessibleTextHelper;
class ChildrenManager;
class IAccessibleParent;

class SVX_DLLPUBLIC AccessibleShape
    :   public AccessibleContextBase,
        public AccessibleComponentBase,
        public css::accessibility::XAccessibleSelection,
        public css::accessibility::XAccessibleExtendedAttributes,
        public css::accessibility::XAccessibleGroupPosition,
        public css::accessibility::XAccessibleHypertext,
        public IAccessibleViewForwarderListener,
        public css::document::XShapeEventListener,
        public css::lang::XUnoTunnel
{
public:
    //=====  internal  ========================================================

    AccessibleShape (
        const AccessibleShapeInfo& rShapeInfo,
        const AccessibleShapeTreeInfo& rShapeTreeInfo);
     //Solution: Overwrite the object's current name.
    virtual OUString SAL_CALL    getAccessibleName() override;
    virtual OUString SAL_CALL    getAccessibleDescription() override;
    virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet> SAL_CALL getAccessibleRelationSet() override;
//=====  XAccessibleSelection  ============================================

    virtual void SAL_CALL selectAccessibleChild(
        sal_Int32 nChildIndex ) override;

    virtual sal_Bool SAL_CALL isAccessibleChildSelected(
        sal_Int32 nChildIndex ) override;

    virtual void SAL_CALL clearAccessibleSelection(  ) override;

    virtual void SAL_CALL selectAllAccessibleChildren(  ) override;

    virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount(  ) override;

    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild(
        sal_Int32 nSelectedChildIndex ) override;

    virtual void SAL_CALL deselectAccessibleChild(
        sal_Int32 nSelectedChildIndex ) override;

    // ====== XAccessibleExtendedAttributes =====================================
    virtual css::uno::Any SAL_CALL getExtendedAttributes() override ;
    virtual sal_Int16 SAL_CALL getAccessibleRole() override;
    //=====  XAccessibleGroupPosition  =========================================
    virtual css::uno::Sequence< sal_Int32 > SAL_CALL
        getGroupPosition( const css::uno::Any& rAny ) override;
    virtual OUString SAL_CALL getObjectLink( const css::uno::Any& accoject ) override;
    virtual ~AccessibleShape() override;

    virtual void Init();

    virtual bool SetState (sal_Int16 aState) override;

    virtual bool ResetState (sal_Int16 aState) override;

    bool GetState (sal_Int16 aState);


    //=====  XAccessibleContext  ==============================================

    virtual sal_Int32 SAL_CALL
        getAccessibleChildCount() override;

    virtual css::uno::Reference<
            css::accessibility::XAccessible> SAL_CALL
        getAccessibleChild (sal_Int32 nIndex) override;


    virtual css::uno::Reference<
            css::accessibility::XAccessibleStateSet> SAL_CALL
        getAccessibleStateSet() override;

    virtual sal_Int32 SAL_CALL
        getAccessibleIndexInParent() override;

    //=====  XAccessibleComponent  ============================================

    virtual css::uno::Reference<
        css::accessibility::XAccessible > SAL_CALL
        getAccessibleAtPoint (const css::awt::Point& aPoint) override;

    virtual css::awt::Rectangle SAL_CALL getBounds() override;

    virtual css::awt::Point SAL_CALL getLocation() override;

    virtual css::awt::Point SAL_CALL getLocationOnScreen() override;

    virtual css::awt::Size SAL_CALL getSize() override;

    virtual sal_Int32 SAL_CALL getForeground() override;

    virtual sal_Int32 SAL_CALL getBackground() override;

    //=====  XAccessibleEventBroadcaster  =====================================

    virtual void SAL_CALL
        addAccessibleEventListener (
            const css::uno::Reference<
            css::accessibility::XAccessibleEventListener >& rxListener) override;

    virtual void SAL_CALL
        removeAccessibleEventListener (
            const css::uno::Reference<
            css::accessibility::XAccessibleEventListener >& rxListener) override;


    //=====  XInterface  ======================================================

    virtual css::uno::Any SAL_CALL
        queryInterface (const css::uno::Type & rType) override;

    virtual void SAL_CALL
        acquire()
        throw () override;

    virtual void SAL_CALL
        release()
        throw () override;


    //=====  XServiceInfo  ====================================================

    virtual OUString SAL_CALL
        getImplementationName() override;

    virtual css::uno::Sequence< OUString> SAL_CALL
        getSupportedServiceNames() override;

    //=====  XTypeProvider  ===================================================

    virtual css::uno::Sequence< css::uno::Type> SAL_CALL
        getTypes() override;

    //=====  IAccessibleViewForwarderListener  ================================
    virtual void ViewForwarderChanged() override;

    void disposing (const css::lang::EventObject& Source);

    //=====  document::XShapeEventListener  ========================================

    virtual void SAL_CALL
        notifyShapeEvent (const css::document::EventObject& rEventObject) override;


    //===== XUnoTunnel ========================================================

    UNO3_GETIMPLEMENTATION_DECL(AccessibleShape)

    //===== XAccessibleHypertext ========================================================
    virtual sal_Int32 SAL_CALL getHyperLinkCount() override;
    virtual css::uno::Reference< css::accessibility::XAccessibleHyperlink >
        SAL_CALL getHyperLink( sal_Int32 nLinkIndex ) override;
    virtual sal_Int32 SAL_CALL getHyperLinkIndex( sal_Int32 nCharIndex ) override;
    //=====  XAccessibleText  ==================================================
        virtual sal_Int32 SAL_CALL getCaretPosition(  ) override;
        virtual sal_Bool SAL_CALL setCaretPosition( sal_Int32 nIndex ) override;
        virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) override;//Shen Zhen Jie changed sal_Unicode to sal_uInt32; change back to sal_Unicode
        virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
        virtual css::awt::Rectangle SAL_CALL getCharacterBounds( sal_Int32 nIndex ) override;
        virtual sal_Int32 SAL_CALL getCharacterCount(  ) override;
        virtual sal_Int32 SAL_CALL getIndexAtPoint( const css::awt::Point& aPoint ) override;
        virtual OUString SAL_CALL getSelectedText(  ) override;
        virtual sal_Int32 SAL_CALL getSelectionStart(  ) override;
        virtual sal_Int32 SAL_CALL getSelectionEnd(  ) override;
        virtual sal_Bool SAL_CALL setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
        virtual OUString SAL_CALL getText(  ) override;
        virtual OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
        virtual css::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
        virtual css::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
        virtual css::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
        virtual sal_Bool SAL_CALL copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
        virtual sal_Bool SAL_CALL scrollSubstringTo( sal_Int32 nStartIndex, sal_Int32 nEndIndex, css::accessibility::AccessibleScrollType aScrollType) override;

    //===== Misc ========================================================

    const css::uno::Reference< css::drawing::XShape >&
        GetXShape() const { return mxShape; }

    void setIndexInParent(sal_Int32 _nIndex) { m_nIndexInParent = _nIndex; }

protected:
    std::unique_ptr<ChildrenManager> mpChildrenManager;

    css::uno::Reference<
        css::drawing::XShape> mxShape;

    AccessibleShapeTreeInfo maShapeTreeInfo;

    sal_Int32 m_nIndexInParent;

    std::unique_ptr<AccessibleTextHelper> mpText;

    IAccessibleParent* mpParent;

    SdrObject* m_pShape;

    virtual void SAL_CALL disposing() override;

    virtual OUString
        CreateAccessibleBaseName();

    virtual OUString
        CreateAccessibleName() override;

    OUString
       GetFullAccessibleName(AccessibleShape *shape);
    virtual OUString GetStyle();
    void UpdateStates();

private:
    AccessibleShape (const AccessibleShape&) = delete;
    AccessibleShape& operator= (const AccessibleShape&) = delete;
    //Old accessible name
    OUString aAccName;

    void UpdateNameAndDescription();
};

} // end of namespace accessibility

#endif

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