/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  xhtmlstack  declaration

*

*/

#ifndef XHTMLSTACK_H

#define XHTMLSTACK_H

#include <e32base.h>

#include <txtfrmat.h>

/**

 *  Class defining a style info. 

 *

 *  @code

 *   ?good_class_usage_example(s)

 *  @endcode

 *

 *  @lib ?library

 *  @since S60 v3.2

 */ 

NONSHARABLE_CLASS( TXhtmlStyleInfo )

	{

public:

	/**

     * Constructor.

     *

     * @since S60 v3.2

     * @param aStyleStart Start position of the style

     * @param aPrevAlign Previous alignment

     * @return ?description

     */	

	TXhtmlStyleInfo( TInt aStyleStart, CParaFormat::TAlignment aPrevAlign );

	/**

     * Start position of the style

     */

	TInt  iStyleStart;

	/**

     * True if current style has been changed.

     * This is set to true in CXhtmlparser::ChangeCurrentStyleL

     */

	TBool iStyleChanged;

	/**

     * True if alignment has been changed.

     */

	TBool iAlignmentChanged;

	/**

     * Stores previous alignment.

     */

	CParaFormat::TAlignment iPrevAlign;

	};

/**

 *  Class defining a paragraph info.

 *

 *  @code

 *   ?good_class_usage_example(s)

 *  @endcode

 *

 *  @lib ?library

 *  @since S60 v3.2

 */ 

NONSHARABLE_CLASS( TXhtmlParaInfo )

	{

public:

    /**

     * Constructor.

     *

     * @since S60 v3.2

     * @param aParaStart Start position of the paragraph

     * @param aAlignment Alignment

     * @return ?description

     */	

    TXhtmlParaInfo( TInt aParaStart, CParaFormat::TAlignment aAlignment );

    /**

     * Start position of the paragraph

     */

    TInt iParaStart;

    /**

     * Alignment

     */

    CParaFormat::TAlignment iAlignment;

    };

/**

 *  Class defining a list info.

 *

 *  @code

 *   ?good_class_usage_example(s)

 *  @endcode

 *

 *  @lib ?library

 *  @since S60 v3.2

 */ 

NONSHARABLE_CLASS( TXhtmlListInfo )

	{

public:

    /**

     * Constructor.

     *

     * @since S60 v3.2

     * @param aListContext List context, ordered or unordered

     * @return ?description

     */	

    TXhtmlListInfo( TInt aListContext );

    /**

     * List index, tells the number of list items in current list

     */

    TInt iListIndex;

    /**

     * List context, ordered or unordered

     */

    TInt iListContext;

    };

/**

 *  Class defining a stack. Methods implemented in XhtmlStack.inl.

 *

 *  @code

 *   ?good_class_usage_example(s)

 *  @endcode

 *

 *  @lib ?library

 *  @since S60 v3.2

 */ 

template <typename T>

NONSHARABLE_CLASS( CXhtmlStack ) : public CBase

    {	

public:

    /**

     * CXhtmlStack phase one constructor

     *

     * @since S60 v3.2

     * @return Created CXhtmlStack instance

     */

    static inline CXhtmlStack* NewL();

    /**

    * Destructor.

    */

    virtual inline ~CXhtmlStack();

    /**

     * Removes item from top of the stack.

     *

     * @since S60 v3.2

     */ 

    inline void Pop();

	/**

     * Adds item to top of the stack.

     *

     * @since S60 v3.2

     * @param aInfo Pointer to item

     */ 

	inline void PushL( T* aInfo );

	/**

     * Returns item on top of the stack.

     *

     * @since S60 v3.2

     * @return Pointer to item

     */ 

	inline T* Top();

	/**

     * Returns number of items on the stack.

     *

     * @since S60 v3.2

     * @return Number of items

     */ 

	inline TInt Count() { return iStack->Count(); };	

protected:

	void ConstructL();

	CXhtmlStack();

private:

    /**

     * Array of pointers to stack items.

     * Owns

     */

    RPointerArray<T>* iStack;		

    };

#include "xhtmlstack.inl"

#endif