/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (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.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Simon Fraser <sfraser@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */


#ifndef __AEDOCUMENTCLASS__
#define __AEDOCUMENTCLASS__

#include "nsAEGenericClass.h"


typedef WindowPtr	DocumentReference;		// for now, we'll refer to document by their window


class AEDocumentClass : public AEGenericClass
{
	friend class AECoreClass;
	
private:
	typedef AEGenericClass	Inherited;
	
protected:
	// only the AECoreClass can instantiate us
						AEDocumentClass();
						~AEDocumentClass();

	void					GetDocumentFromApp(		DescType			desiredClass,		// cDocument
												const AEDesc*		containerToken,	// null container
												DescType			containerClass,  	 // cApplication
												DescType			keyForm,
												const AEDesc*		keyData,
												AEDesc*			resultToken);		// specified Document is returned in result

	virtual void			GetItemFromContainer(		DescType			desiredClass,
												const AEDesc*		containerToken,
												DescType			containerClass, 
												DescType			keyForm,
												const AEDesc*		keyData,
												AEDesc*			resultToken);

public:

	static pascal OSErr		DocumentAccessor(			DescType			desiredClass,		// cDocument
												const AEDesc*		containerToken,	// null container
												DescType			containerClass,  	// cApplication
												DescType			keyForm,
												const AEDesc*		keyData,
												AEDesc*			resultToken,		// specified Document is returned in result
												long 				refCon);

	static pascal OSErr		PropertyAccessor(			DescType			desiredClass,
												const AEDesc*		containerToken,
												DescType			containerClass,
												DescType			keyForm,
												const AEDesc*		keyData,
												AEDesc*			resultToken,
												long 				refCon);

	void					ProcessFormRelativePostition(	const AEDesc* 		anchorToken,
												const AEDesc*		keyData,
												DocumentReference*	document);

	void					CloseWindowSaving(			AEDesc*			token,
												const AEDesc*		saving,
												AEDesc*			savingIn);
	
protected:

	// ----------------------------------------------------------------------------
	//	Get and Set methods for objects and list. Note that the object methods are pure virtual
	// ----------------------------------------------------------------------------
	virtual void			GetDataFromObject(const AEDesc *token, AEDesc *desiredTypes, AEDesc *data);
	void					GetDataFromList(AEDesc *srcList, AEDesc *desiredTypes, AEDesc *dstList);

	virtual void			SetDataForObject(const AEDesc *token, AEDesc *data);
	void 					SetDataForList(const AEDesc *token, AEDesc *data);

	virtual void			CreateSelfSpecifier(const AEDesc *token, AEDesc *outSpecifier);

	virtual Boolean			CanSetProperty(DescType propertyCode);
	virtual Boolean			CanGetProperty(DescType propertyCode);


	void					SetDocumentProperties(DocumentReference document, AEDesc *propertyRecord);

	DocumentReference		GetDocumentReferenceFromToken(const AEDesc *token);		// these can all throw
	DocumentReference		GetDocumentByName(ConstStr255Param docName);
	DocumentReference		GetDocumentByIndex(long index);
	DocumentReference		GetDocumentByID(long docID);
	
	DocumentReference		GetNextDocument(DocumentReference docRef);
	DocumentReference		GetPreviousDocument(DocumentReference docRef);

public:
	static long				CountDocuments();

};


long		GetDocumentID(DocumentReference docRef);
long		GetDocumentIndex(DocumentReference docRef);
void		GetDocumentName(DocumentReference docRef, Str63 docName);
Boolean	DocumentIsModified(DocumentReference docRef);


#endif /* __AEDOCUMENTCLASS__ */