/*

* Copyright (c) 2010 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: 

*

*/

#ifndef LAUNCHERENGINE_H

#define LAUNCHERENGINE_H

#include <e32base.h>

#include <apgcli.h>

#include <w32std.h>

#include <e32std.h> 

#include "launcherparserobserver.h"

// CONSTANTS

// None

// MACROS

// None

// DATA TYPES

// None

// FUNCTION PROTOTYPES

// None

// FORWARD DECLARATIONS

class CEikonEnv;

class CAppThreadChecker;

class CAppRunningChecker;

class CLauncherXMLParser;

class CLauncherDLLParser;

// INFERFACE FOR COMMUNICATION WITH UI

class MLauncherUI

{

public:

    /**

     * Method for writing text to output window.

     * @param aText A text to be written.

     * @return None.

     */

    virtual void PrintText(const TDesC& aText) = 0;

    /**

     * Shows info message with text

     * @param aText An text to be shown in message.

     * @return None.

     */

    virtual void ShowInfoMessage(const TDesC& aText) = 0;

    /**

     * Shows error message with error text

     * @param aText An error text to be shown in message.

     * @return None.

     */

    virtual void ShowErrorMessage(const TDesC& aText) = 0;

    /**

     * Shows progress bar with text

     * @param aText A text to be shown at top of the progress bar.

     * @param aMinimum A minimum progress bar value.

     * @param aMaximum A maximum progress bar value.

     * @return None.

     */

    virtual void ShowProgressBar(const TDesC& aText, TInt aMinimum, TInt aMaximum ) = 0;

    /**

     * Sets progress bar value

     * @param aValue A value between min and max value of the progress bar range

     * @return None.

     */

    virtual void SetProgressBarValue(TInt aValue) = 0;

    /**

     * Hides progress bar

     * @return None.

     */

    virtual void HideProgressBar() = 0;

    /**

     * Shows wait dialog with text

     * @param aText A text to be shown at top of the wait bar.

     * @return None.

     */

    virtual void ShowWaitDialog(const TDesC& aText) = 0;

    /**

     * Hides wait dialog

     * @return None.

     */

    virtual void HideWaitDialog() = 0;

    /**

     * Changes focus to output view

     * @return None.

     */

    virtual void ChangeFocusToOutputView() = 0;

};

// CLASS DECLARATION

class CLauncherEngine: public CActive, public MLauncherParserObserver

{

public:

    static CLauncherEngine* NewL(MLauncherUI *aLauncherUI);

    ~CLauncherEngine();

    CDesCArray* ListOfAllAppsL();

    void StartAppLaunchingL(const CArrayFix<TInt>* aSelectedApps, TBool aAutoClose);

    void CheckIfAppIsRunningL();

    void CheckWhyThreadDiedL();

    void StopLaunchingL();

    TBool LogFileExists();

    TBool BCLogFileExists();

    TInt DeleteLogFile();

    TInt DeleteBCLogFile();

    void AnalyseDLLsL( const TDesC& aFileName );

    void ElementParsedL(const CLauncherDLLElement& aDllElement);

    void DocumentParsedL(TInt aErrorCode);

    void ParsingProgressedL(TInt aBytes);

    TInt ReadLineFromFileL(RFile& aFile, TDes& aReadBuf);

    const TDesC& RequiredDllsFilePath() const { return iRequiredDllsFilePath; };

    void CancelBCAnalysis();

private:

    CLauncherEngine();

    void ConstructL(MLauncherUI *aLauncherUI);

    void RunL();

    void DoCancel();

    TInt FindFiles(const TDesC& aFileName, const TDesC& aPath);

    void IssueLaunch();

    void WriteInitialStuffToTheLogL(const TDesC& aOwnData, RFile& aFile);

    void CheckForMoreAppsL();

    void LaunchApplicationL();

    void DoLaunchApplicationL();

    CDesCArray* DependencyCheckForE32ImageL();

    /**

     * Performs binary compatibility analysis based on reference data given

     * in XML-file.

     */

    void DoBCAnalysisL();

    /**

     * Compares given DLL list to system DLLs

     */

    void DoCompareDLLListsL();

private:

    MLauncherUI *iLauncherUI;

    RTimer          iTimer;

    CEikonEnv*      iEnv;

    RApaLsSession   iLs;

    RWsSession      iWs;

    HBufC8*         iLogWriteBuf;    

    RFile           iLogFile;

    RFile           iBCLogFile;  

    TFileName       iLogFilePath;

    TFileName       iBCLogFilePath;

    TFileName       iSystemDllsFilePath;

    TFileName       iRequiredDllsFilePath;        

    CDesCArray*     iAppsArray;

    CDesCArray*     iAllAppsArray;

    CDesCArray*     iSystemDllArray;

//  CDesCArray*     iRequiredDllArray;

    TBool           iLaunchingIsActive;

    TBool           iDLLAnalysisIsActive;

    TBool           iSkipHiddenAndEmbedOnly;

    TBool           iAutoClose;

    TInt            iAppLaunchCounter;

    TInt            iFailedCases;

    TInt            iOkCases;

    TInt            iSkippedCases;

    TInt            iTotalNumberOfCases;

    TUid            iCurrentAppUid;

    TThreadId       iCurrentAppThreadId;

    TBuf<128>       iCurrentAppNameAndExt;

    RThread         iCurrentAppThread;

//

    CAppThreadChecker*          iAppThreadChecker;

    CAppRunningChecker*         iAppRunningChecker;

    CLauncherXMLParser*     iXMLParser;

    CLauncherDLLParser*     iDLLParser;

    CLauncherDLLElement*    iDLLElement;

    TInt                iFoundBCIssues;

    HBufC*              iBCIssuesBigBuffer;

public:

    inline TBool SkipHiddenAndEmbedOnly()              { return iSkipHiddenAndEmbedOnly; };

    inline void SetSkipHiddenAndEmbedOnly(TBool aSkip) { iSkipHiddenAndEmbedOnly = aSkip; };

    inline const TDesC& LogFilePath() { return iLogFilePath; }

    inline const TDesC& BCLogFilePath() { return iBCLogFilePath; }

    inline const TDesC& SystemDllsFilePath() { return iSystemDllsFilePath; }

};

class CAppRunningChecker : public CActive

    {

public:

    static CAppRunningChecker* NewL(CLauncherEngine* aLauncherEngine);

    ~CAppRunningChecker();

    void StartTesting();

private:

    CAppRunningChecker();

    void ConstructL(CLauncherEngine* aLauncherEngine);

    void RunL();

    void DoCancel();

private:

    RTimer iTimer;

    CEikonEnv* iEnv;

    CLauncherEngine* iLauncherEngine;

    };

class CAppThreadChecker : public CActive

    {

public:

    static CAppThreadChecker* NewL(CLauncherEngine* aLauncherEngine);

    ~CAppThreadChecker();

    void ActivateChecking();

    void CheckIfAppIsRunningL();

private:

    CAppThreadChecker();

    void ConstructL(CLauncherEngine* aLauncherEngine);

    void RunL();

    void DoCancel();

private:

    CEikonEnv* iEnv;

    CLauncherEngine* iLauncherEngine;

    };

#endif //LAUNCHERENGINE_H