/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef _SC_ACCESSIBLECELL_HXX
#define _SC_ACCESSIBLECELL_HXX

#include "AccessibleCellBase.hxx"
#include "global.hxx"
#include "viewdata.hxx"
#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
#include <unotools/accessiblerelationsethelper.hxx>
#include <editeng/AccessibleStaticTextBase.hxx>
#include <comphelper/uno3.hxx>

class ScTabViewShell;
class ScAccessibleDocument;

/**	@descr
        This base class provides an implementation of the
        <code>AccessibleCell</code> service.
*/
class ScAccessibleCell
	:	public	ScAccessibleCellBase,
        public  accessibility::AccessibleStaticTextBase
{
public:
	//=====  internal  ========================================================
	ScAccessibleCell(
        const ::com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessible>& rxParent,
		ScTabViewShell* pViewShell,
		ScAddress& rCellAddress,
		sal_Int32 nIndex,
		ScSplitPos eSplitPos,
        ScAccessibleDocument* pAccDoc);

	virtual void Init();

    using ScAccessibleCellBase::disposing;
    virtual void SAL_CALL disposing();

protected:
	virtual ~ScAccessibleCell();

    using ScAccessibleCellBase::IsDefunc;

public:
	///=====  XInterface  =====================================================

	DECLARE_XINTERFACE()

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

    DECLARE_XTYPEPROVIDER()

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

    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
		SAL_CALL getAccessibleAtPoint(
		const ::com::sun::star::awt::Point& rPoint )
		throw (::com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL grabFocus(  )
		throw (::com::sun::star::uno::RuntimeException);

protected:
    ///	Return the object's current bounding box relative to the desktop.
	virtual Rectangle GetBoundingBoxOnScreen(void) const
		throw (::com::sun::star::uno::RuntimeException);

	///	Return the object's current bounding box relative to the parent object.
	virtual Rectangle GetBoundingBox(void) const
		throw (::com::sun::star::uno::RuntimeException);

public:
	///=====  XAccessibleContext  ==============================================

    ///	Return the number of currently visible children.
    // is overloaded to calculate this on demand
    virtual sal_Int32 SAL_CALL
    	getAccessibleChildCount(void)
    				throw (::com::sun::star::uno::RuntimeException);

    ///	Return the specified child or NULL if index is invalid.
    // is overloaded to calculate this on demand
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL
    	getAccessibleChild(sal_Int32 nIndex)
        throw (::com::sun::star::uno::RuntimeException,
				::com::sun::star::lang::IndexOutOfBoundsException);

	///	Return the set of current states.
	virtual ::com::sun::star::uno::Reference<
            ::com::sun::star::accessibility::XAccessibleStateSet> SAL_CALL
    	getAccessibleStateSet(void)
        throw (::com::sun::star::uno::RuntimeException);

	virtual ::com::sun::star::uno::Reference<
		::com::sun::star::accessibility::XAccessibleRelationSet> SAL_CALL
   		getAccessibleRelationSet(void)
		throw (::com::sun::star::uno::RuntimeException);

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

    /**	Returns an identifier for the implementation of this object.
    */
	virtual ::rtl::OUString SAL_CALL
    	getImplementationName(void)
        throw (::com::sun::star::uno::RuntimeException);

	/** Returns a list of all supported services.
    */
	virtual ::com::sun::star::uno::Sequence< ::rtl::OUString> SAL_CALL
    	getSupportedServiceNames(void)
        throw (::com::sun::star::uno::RuntimeException);

private:
	ScTabViewShell* mpViewShell;
    ScAccessibleDocument* mpAccDoc;

	ScSplitPos meSplitPos;

	sal_Bool IsDefunc(
		const com::sun::star::uno::Reference<
		::com::sun::star::accessibility::XAccessibleStateSet>& rxParentStates);
	virtual sal_Bool IsEditable(
		const com::sun::star::uno::Reference<
		::com::sun::star::accessibility::XAccessibleStateSet>& rxParentStates);
	sal_Bool IsOpaque(
		const com::sun::star::uno::Reference<
		::com::sun::star::accessibility::XAccessibleStateSet>& rxParentStates);
	sal_Bool IsSelected();

	ScDocument* GetDocument(ScTabViewShell* mpViewShell);

	::std::auto_ptr< SvxEditSource > CreateEditSource(ScTabViewShell* pViewShell, ScAddress aCell, ScSplitPos eSplitPos);

	void FillDependends(utl::AccessibleRelationSetHelper* pRelationSet);
	void FillPrecedents(utl::AccessibleRelationSetHelper* pRelationSet);
	void AddRelation(const ScAddress& rCell,
		const sal_uInt16 aRelationType,
		::utl::AccessibleRelationSetHelper* pRelationSet);
	void AddRelation(const ScRange& rRange,
		const sal_uInt16 aRelationType,
		::utl::AccessibleRelationSetHelper* pRelationSet);
};


#endif