// fed.h

// 

// Copyright (c) 2009 - 2010 Accenture. All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the "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:

// Accenture - Initial contribution

//

#ifndef FED_H_

#define FED_H_

#include <e32base.h>

#include <f32file.h>

#include "screenmngr.h"

#include "cmdwindow.h"

class CColorConsoleBase;

class CFedBufferBase;

class CFedViewBase;

class CDesC16Array;

class CCnvCharacterSetConverter;

class CFed : public CActive

{

public:

	static CFed* NewL(CColorConsoleBase& aConsole, RFs& aFs);

	static CFed* NewL(CConsoleBase& aConsole, RFs& aFs);

	~CFed();

	//Main entrance to the editor

	void StartL(CDesC16Array* aFiles); // Takes ownership of aFiles immediately

	void RedrawEverythingL();

	void ShowHelpL(HBufC* aHelpText);

public:

	//CActive

	void DoCancel();

	void RunL();

	TInt RunError(TInt aError);

private:

	CFed(CColorConsoleBase& aConsole, RFs& aFs);

	CFed(CConsoleBase& aConsole, RFs& aFs);

	void ConstructL();

	//Construct all necessary views as specified in the command line

	void CreateViewsL(CDesC16Array* aFiles);

	//Some standard commands which need to be handled in the CFed class

	enum TCmdType

		{

		ECmdNone,

		ECmdHelp,

		ECmdPrevView,

		ECmdNextView,

		ECmdNewDocument,

		ECmdCloseCurrent,

		ECmdCloseAll,

		ECmdOpenDocument,

		ECmdRefresh,

		};

	//Main function processing keys which should catch all commands related to the whole editor, not to any particular view

	TCmdType ProcessKeyL(const TKeyCode& aCode);

	//Execute commands returned by ProcessKeyL

	TBool ExecuteCommandL(TCmdType aCmd);

	//Closes the view which is currently active

	TBool CloseCurrentViewL();

	//Closes all views, will cause the program to close only if special char has been pressed (EKeyEscape)

	void CloseAllViewsL();

	//Removes the view from the array of views

	void DeleteView();

	void NewViewL(const TDesC& aFileName, TBool aPromptOnNonexistantName=EFalse);

	void OpenDocumentL();

private:

	RFs& iFs;

	CConsoleBase& iConsole;

	CColorConsoleBase* iColorConsole;

	CScreenManager iScreenMngr;

	CCommandWindow* iCmdWindow;

	RArray<CFedViewBase*> iViewArray;

	TInt iViewIdx;

	CCnvCharacterSetConverter* iCharconv; // Shared between CFileBuffers, for doing UTF-8 conversion. May be null if charconv isn't available

};

#endif /*FED_H_*/