/*

* Copyright (c) 2003 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:

*

*/

#ifndef __EIKDIALOGEXT_H__

#define __EIKDIALOGEXT_H__

#include <e32base.h>

#ifdef RD_UI_TRANSITION_EFFECTS_POPUPS

#include <akntransitionutils.h>

#endif

class CEikDialogPageSelector ;

class CEikDialog ;

class CAknsListBoxBackgroundControlContext ;

class CAknEdwinDrawingModifier ;

class CAknMediatorFacade;

/*

 * Extension structure for extra data members without breaking BC.

 * This header should not be a published interface.

 */

NONSHARABLE_CLASS(CEikDialogExtension) : public CActive

	{

	friend class CEikDialogPageSelector ;

	friend class CEikDialog ;

public: 

	/**

	* This enumeration encodes the way that CEikDialog is used in Averell.

	*/

	enum TLayoutCategory

		{

		ENotConstructed, // Returned if CEikDialog is not constructed enough to evaluate

		EUnknownLayout, // Layout is not known

		EFullScreenLayout, // returned if EEikDialogFlagFillAppClientRect has been set

		EFormLayout,      // True if the object is a CAknForm and appriopriate resource has been used

		EPopupLayout	// Popup layout; used for Notes, Queries; effectively the default

		};

	/**

	* Returns the type of Averell Layout that this instance of CEikDialog is implementing.

	* This is internal API for use inside Averell only.

	* 

	* @return	TLayoutCategory 

	*/

	IMPORT_C TLayoutCategory LayoutCategory() const;

	enum TPublicFlags

		{

        /** When set, dialog doesn't draw in the space of its child controls */

        EClipChildControlRect,

        EUseVirtualInput,

        EDelayedExit,

        EFullyConstructed

		};	

private :

	static CEikDialogExtension* NewL( const CEikDialog& aParent ) ;

	~CEikDialogExtension() ;

	CEikDialogExtension( const CEikDialog& aParent ) ;

    /**

    * Symbian OS 2nd stage contruction

    */

    void ConstructL();

protected: // from CActive

    void DoCancel();

    void RunL();

private:

    void StartDelayedExit();

private:

	enum TFlags

		{

		EEditableStateInitialised,

	    // whether dialog will show up with sliding effect or not

		ESlidingEnabled,

		ELayoutChangeWhileInvisible

		};

	const CEikDialog& iParent ; // NOT OWNED.  To access the dialog.  

	CAknsListBoxBackgroundControlContext* iBgContext ; // OWNED. <SKIN> might need: CAknsListBoxBackgroundControlContext

    TBitFlags iFlags;

    CAknEdwinDrawingModifier* iDrawingModifier; // OWNED - detailed control of edwin drawing

    CAknMediatorFacade* iAknDSSD;

    TInt iButtonId;

#ifdef RD_UI_TRANSITION_EFFECTS_POPUPS

    TUid iRegisteredContext;

    TBool iSleepDialogExitBeginCalled;

#endif

public:

    TBitFlags iPublicFlags;

    TBool iInitialMade;

  } ;

#ifdef RD_SLIDING_ANIMATION_EFFECTS

/**

* Class used for fake sliding animation.

* The control creates whole screen size window and slides dialog background in it.

*/

NONSHARABLE_CLASS(CEikDialogSlider) : public CCoeControl

	{

public:    

    ~CEikDialogSlider();

	static CEikDialogSlider* NewL(CWindowGc& aWindowGc, CFbsBitmap*& aDialogBack, CFbsBitmap*& aScreen);

    void SlideDialogL(TPoint& aStart, TPoint& aEnd, TInt aStepCount);

protected:

	CEikDialogSlider(CWindowGc& aWindowGc, CFbsBitmap*& aDialogBack, CFbsBitmap*& aScreen);

	void ConstructL();

	void Draw(const TRect& aRect) const;

private:

	CWindowGc& iWindowGc;

	CFbsBitmap* iDialogBack;

	CFbsBitmap* iScreen;

    TInt        iSpare;

    };

#endif //RD_SLIDING_ANIMATION_EFFECTS

#endif