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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_SFX2_SOURCE_CONTROL_THUMBNAILVIEWACC_HXX
#define INCLUDED_SFX2_SOURCE_CONTROL_THUMBNAILVIEWACC_HXX

#include <osl/mutex.hxx>
#include <cppuhelper/implbase5.hxx>
#include <cppuhelper/compbase6.hxx>
#include <comphelper/broadcasthelper.hxx>

#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <com/sun/star/accessibility/XAccessibleComponent.hpp>
#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include <com/sun/star/lang/DisposedException.hpp>

#include <vector>

class ThumbnailView;
class ThumbnailViewItem;

typedef ::cppu::PartialWeakComponentImplHelper6<
    ::com::sun::star::accessibility::XAccessible,
    ::com::sun::star::accessibility::XAccessibleEventBroadcaster,
    ::com::sun::star::accessibility::XAccessibleContext,
    ::com::sun::star::accessibility::XAccessibleComponent,
    ::com::sun::star::accessibility::XAccessibleSelection,
    ::com::sun::star::lang::XUnoTunnel >
    ValueSetAccComponentBase;

class ThumbnailViewAcc :
    public ::comphelper::OBaseMutex,
    public ValueSetAccComponentBase
{
public:

    ThumbnailViewAcc( ThumbnailView* pParent, bool bIsTransientChildrenDisabled );
    ~ThumbnailViewAcc();

    void FireAccessibleEvent( short nEventId,
                              const ::com::sun::star::uno::Any& rOldValue,
                              const ::com::sun::star::uno::Any& rNewValue );

    sal_Bool HasAccessibleListeners() const { return( mxEventListeners.size() > 0 ); }

    static ThumbnailViewAcc* getImplementation( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rxData ) throw();

public:

    /** Called by the corresponding ValueSet when it gets the focus.
        Stores the new focus state and broadcasts a state change event.
    */
    void GetFocus (void);

    /** Called by the corresponding ValueSet when it loses the focus.
        Stores the new focus state and broadcasts a state change event.
    */
    void LoseFocus (void);

    // XComponent
    virtual void SAL_CALL dispose()throw (::com::sun::star::uno::RuntimeException)
        { WeakComponentImplHelperBase::dispose(); }
    virtual void SAL_CALL addEventListener(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > & xListener)throw (::com::sun::star::uno::RuntimeException)
        { WeakComponentImplHelperBase::addEventListener(xListener); }
    virtual void SAL_CALL removeEventListener(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > & xListener)throw (::com::sun::star::uno::RuntimeException)
        { WeakComponentImplHelperBase::removeEventListener(xListener); }

    // XAccessible
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext(  ) throw (::com::sun::star::uno::RuntimeException);

    // XAccessibleEventBroadcaster
    virtual void SAL_CALL addAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL removeAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);

    // XAccessibleContext
    virtual sal_Int32 SAL_CALL getAccessibleChildCount(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleParent(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getAccessibleIndexInParent(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int16 SAL_CALL getAccessibleRole(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual OUString SAL_CALL getAccessibleDescription(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual OUString SAL_CALL getAccessibleName(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::lang::Locale SAL_CALL getLocale(  ) throw (::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException);

    // XAccessibleComponent
    virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::awt::Point SAL_CALL getLocation(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::awt::Size SAL_CALL getSize(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL grabFocus(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getForeground(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getBackground(  ) throw (::com::sun::star::uno::RuntimeException);

    // XAccessibleSelection
    virtual void SAL_CALL selectAccessibleChild( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL clearAccessibleSelection(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL selectAllAccessibleChildren(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

    // XUnoTunnel
    virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw( ::com::sun::star::uno::RuntimeException );

private:
    ::std::vector< ::com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessibleEventListener > >   mxEventListeners;
    ThumbnailView*                                                           mpParent;
    bool                                                                mbIsTransientChildrenDisabled;
    /// The current FOCUSED state.
    bool mbIsFocused;

    static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();

    /** Tell all listeners that the object is dying.  This callback is
        usually called from the WeakComponentImplHelper class.
    */
    virtual void SAL_CALL disposing (void);

    /** Return the number of items.  This takes the None-Item into account.
    */
    sal_uInt16 getItemCount (void) const;

    /** Return the item associated with the given index.  The None-Item is
        taken into account which, when present, is taken to be the first
        (with index 0) item.
        @param nIndex
            Index of the item to return.  The index 0 denotes the None-Item
            when present.
        @return
            Returns NULL when the given index is out of range.
    */
    ThumbnailViewItem* getItem (sal_uInt16 nIndex) const;

    /** Check whether or not the object has been disposed (or is in the
        state of beeing disposed).  If that is the case then
        DisposedException is thrown to inform the (indirect) caller of the
        foul deed.
    */
    void ThrowIfDisposed (void)
        throw (::com::sun::star::lang::DisposedException);
};

class ThumbnailViewItemAcc : public ::cppu::WeakImplHelper5< ::com::sun::star::accessibility::XAccessible,
                                                     ::com::sun::star::accessibility::XAccessibleEventBroadcaster,
                                                     ::com::sun::star::accessibility::XAccessibleContext,
                                                     ::com::sun::star::accessibility::XAccessibleComponent,
                                                     ::com::sun::star::lang::XUnoTunnel >
{
private:

    ::std::vector< ::com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessibleEventListener > >   mxEventListeners;
    ::osl::Mutex                                                        maMutex;
    ThumbnailViewItem*                                                       mpParent;
    bool                                                                mbIsTransientChildrenDisabled;

    static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();

public:

    ThumbnailViewItemAcc( ThumbnailViewItem* pParent, bool bIsTransientChildrenDisabled );
    ~ThumbnailViewItemAcc();

    void    ParentDestroyed();

    sal_Bool    HasAccessibleListeners() const { return( mxEventListeners.size() > 0 ); }

public:

    // XAccessible
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext(  ) throw (::com::sun::star::uno::RuntimeException);

    // XAccessibleEventBroadcaster
    virtual void SAL_CALL addAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL removeAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);

    // XAccessibleContext
    virtual sal_Int32 SAL_CALL getAccessibleChildCount(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleParent(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getAccessibleIndexInParent(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int16 SAL_CALL getAccessibleRole(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual OUString SAL_CALL getAccessibleDescription(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual OUString SAL_CALL getAccessibleName(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::lang::Locale SAL_CALL getLocale(  ) throw (::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException);

    // XAccessibleComponent
    virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::awt::Point SAL_CALL getLocation(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::awt::Size SAL_CALL getSize(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL grabFocus(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getForeground(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getBackground(  ) throw (::com::sun::star::uno::RuntimeException);

    // XUnoTunnel
    virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw( ::com::sun::star::uno::RuntimeException );
};

#endif // INCLUDED_SFX2_SOURCE_CONTROL_THUMBNAILVIEWACC_HXX

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