// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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 __APADBASE_H__

#define __APADBASE_H__

#if !defined(__E32STD_H__)

#include <e32std.h>

#endif

#if !defined(__S32STD_H__)

#include <s32std.h>

#endif

#if !defined(__GDI_H__)

#include <gdi.h>

#endif

class CApaDoorBase : public CPicture

// Base class for a wrapper for embedded CApaDocuments

/** The base class for the graphic representation of an embedded document.

An embedded document can be represented either as an icon or as a glass picture. 

Such a graphic representation is known as a door.

The class is intended for derivation.

@publishedAll 

@released

@see CApaDoor

@see CApaModelDoor */

	{

public:

	/** Defines the possible formats for the graphical representation of the embedded 

	document. */

	enum TFormat {

		/** The representation is an icon. */

		EIconic,

		/** The representation is a glass door. */

		EGlassDoor,

		/** The representation is a glass door but has been temporarily switched to an icon. */

		ETemporarilyIconic

		};

public:

	inline TFormat Format()const;

	inline TUid Source()const;

	inline void SetSource(TUid aSource);

	// Virtuals from CPicture

	IMPORT_C virtual TStreamId StoreL(CStreamStore& aStore) const;

	IMPORT_C virtual void SetScaleFactor(TInt aScaleFactorWidth,TInt aScaleFactorHeight); 

	IMPORT_C virtual void SetCropInTwips(const TMargins& aMargins); 

	IMPORT_C virtual TPictureCapability Capability() const;

	IMPORT_C virtual void GetCropInTwips(TMargins& aMargins) const; 

	IMPORT_C virtual TInt ScaleFactorWidth() const; 

	IMPORT_C virtual TInt ScaleFactorHeight() const; 

	IMPORT_C virtual TBool LineBreakPossible(TUint aClass,TBool aBeforePicture,TBool aHaveSpaces) const;

	IMPORT_C virtual TBool NativePixelSize(TSize& aPixelSize);

protected:

	IMPORT_C CApaDoorBase();

	IMPORT_C void ExternalizeBaseStreamL(CStreamStore& aStore,CStreamDictionary& aStreamDict)const;

	IMPORT_C TSize InternalizeBaseStreamL(const CStreamStore& aStore,const CStreamDictionary& aStreamDict); // returns current size in twips

private:

	IMPORT_C virtual void CApaDoorBase_Reserved1();

	IMPORT_C virtual void CApaDoorBase_Reserved2();

protected:

	/** Returns the size of the glass door, in twips.

	A concrete implementation of this function is provided by derived classes.

	@return The size of the glass door, in twips. 

	@publishedAll 

	@released */

	virtual TSize GlassDoorSize()const=0;

protected:

	TFormat iFormat;

	TUid iSource; // foreign representation of a translated door (eg MS Word doc)

private:

	TInt iCApaDoorBase_Reserved1;

	};

//

// inlines

//

inline CApaDoorBase::TFormat CApaDoorBase::Format()const

	/** Gets the current format of the representation of the embedded document.

	@return The format for the representation of the embedded document. */

	{ return iFormat; }

inline TUid CApaDoorBase::Source()const

	/** Gets the UID that identifies this door when the source originates on a non-Symbian 

	OS device.

	This is used by converters.

	@return The UID for the non-Symbian OS source. For a source that originates 

	on a Symbian OS phone, this is KNullUid. */

	{ return iSource; }

inline void CApaDoorBase::SetSource(TUid aSource)

	/** Sets the UID that identifies this door when the source originates on a non-Symbian 

	OS device.

	This is used by converters.

	@param aSource The UID for the non-Symbian OS source. For a source that originates 

	on a Symbian OS phone, this is KNullUid. */

	{ iSource=aSource; }

#endif