// Copyright (c) 2003-2009 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:

 // Help Launcher module

 // 

 //

 #ifndef __HLPLCH_H__

 #define __HLPLCH_H__

 #if !defined(__APGTASK_H__)

 #include <apgtask.h>

 #endif

 #if !defined(__EIKDLL_H__)

 #include <eikdll.h>

 #endif

 #if !defined(__WSERV_H__)

 #include <w32std.h>

 #endif

 #if !defined(__COEHELP_H__)

 #include <coehelp.h>

 #endif

 /** Help application UID. 

 @internalComponent

 @released

 */

 const TUid KHlpAppUid={ 0x10005234 };

 /** UID of window message to send to application. 

 @internalComponent

 @released

 */

 const TUid KHlpAppWsMsg={ 0x100055c7 };

 #ifndef SYMBIAN_ENABLE_SPLIT_HEADERS

 /** Maximum length of command line to launch application. 

 @internalComponent

 @released

 */

 const TInt KMaxCmdLineLength = 512;

 // resource file name

 _LIT(KHelpLauncherResource, "z:\\resource\\apps\\lch.rsc");

 class CHlpCmdLine : public CBase

 /**

 @internalComponent

 @released

 */

 	{

 public:

 	static CHlpCmdLine* NewL(CArrayFix<TCoeHelpContext>* aContextList);

 	static CHlpCmdLine* NewLC(CArrayFix<TCoeHelpContext>* aContextList);

 	~CHlpCmdLine();

 public:

 	TPtr8 CmdLineL();

 private:

 	void BuildCmdLineL();

 	void AddContextL(TCoeHelpContext& aContext);

 private:

 	void ConstructL();

 	CHlpCmdLine(CArrayFix<TCoeHelpContext>* aContextList);

 private:

 	CArrayFix<TCoeHelpContext>* iContextList;

 	CBufFlat* iCmdLine;

 	};

 #endif //SYMBIAN_ENABLE_SPLIT_HEADERS

 class HlpLauncher

 /** Launches the help application.

 It assumes that such an application is at z:\\Sys\\Bin\\CsHelp.exe

 @publishedAll

 @released

 */

 	{

 public:

 	IMPORT_C	static void LaunchHelpApplicationL(RWsSession& aWsSession, CArrayFix<TCoeHelpContext>* aContextList);

 	IMPORT_C	static void LaunchHelpApplicationL(RWsSession& aWsSession, TUid aUid);

 	IMPORT_C	static void LaunchHelpApplicationL(RWsSession& aWsSession);

 private:

 	static void DoLaunchHelpApplicationL(RWsSession& aWsSession, const TDesC8& aCmdLine);

 	};

 #endif