// Copyright (c) 2008-2009 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:

//

/**

 @file

 @internalComponent

*/

#ifndef MMFSUBTITLEUTILITY_H

#define MMFSUBTITLEUTILITY_H

#include <w32std.h>

#include <mmf/common/mmfvideosubtitlecustomcommands.h>

// Utility functions for subtitle support

NONSHARABLE_CLASS( CMMFSubtitleUtility ): public CBase

	{

private:

	friend class CTestStepUnitMMFVidClient;

	// class for storing CRP related data

	class TCrpData

		{

	public:

		TCrpData(TInt aWindowId) : iWindowId(aWindowId), iCrpId(0), iCrpRect() {}

	public:

		TInt iWindowId;

		TWsGraphicId iCrpId;

		TRect iCrpRect;

		};

public:

	static CMMFSubtitleUtility* NewL(RMMFController& aController, RWsSession &aWs);

	~CMMFSubtitleUtility();

	static TBool SubtitlesAvailable(RMMFController& aController);

	TInt AddSubtitleConfig(const TMMFSubtitleWindowConfig& aConfig);

	TInt RemoveSubtitleConfig(TInt aWindowId);

	TInt UpdateSubtitleConfig(const TMMFSubtitleWindowConfig& aConfig);

	TInt EnableSubtitles();

	void DisableSubtitles();

	TArray<TLanguage> SupportedSubtitleLanguagesL();

	void HandleCrpReady(RWindow& aWindow);

	void RedrawSubtitle(RWindow& aWindow, const TRect& aRedrawRect);

	TInt SetSubtitleLanguage(TLanguage aSubtitleLanguage);

	TLanguage SubtitleLanguage();

private:

	CMMFSubtitleUtility(RMMFController& aController);

	void ConstructL(RWsSession &aWs);

	void DrawCrp(RWindow& aWindow, TInt aCrpIdx, TBool aCallBeginRedraw);

	TInt FindCrpArrayIndex(TInt aWindowId);

private:

	RMMFVideoPlaySubtitleSupportCustomCommands iSubtitleSupportCustomCommands;

	CWsScreenDevice *iDevice;

	CWindowGc* iSubtitleGc;

	RArray<TLanguage> iSubtitleLanguages;

	RArray<TCrpData> iCrpDataArray;

	};

#endif // MMFSUBTITLEUTILITY_H