/*

* Copyright (c) 2007-2008 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:   Installs self update. 

*

*/

#include "iaupdaterinstaller.h"

#include "iaupdatermngr.h"

#include "iaupdatersilentlauncher.h"

#include "iaupdaterdefs.h"

#include "iaupdatedebug.h"

// ======== LOCAL FUNCTIONS =========

// ======== MEMBER FUNCTIONS ========

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::NewL

// Two phased construction 

// -----------------------------------------------------------------------------

//

CIAUpdaterInstaller* CIAUpdaterInstaller::NewL( 

    RFs& aFs,

    CIAUpdaterMngr& aIAUpdater )

    {

    CIAUpdaterInstaller* self = 

        new (ELeave) CIAUpdaterInstaller( aFs, aIAUpdater );

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::CIAUpdaterInstaller() 

// C++ constructor

// -----------------------------------------------------------------------------

//	

CIAUpdaterInstaller::CIAUpdaterInstaller( 

    RFs& aFs,

    CIAUpdaterMngr& aIAUpdater )

    : CActive( CActive::EPriorityStandard ),

    iFs( aFs ),

    iIAUpdater( aIAUpdater ),

    iState( EDSisInstallerStateIdle ),

    iInstallErr( KErrNone ),

    iFileIndex( 0 )       

    {

    CActiveScheduler::Add( this );

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::~CIAUpdaterInstaller()

// Install Request destructor

// -----------------------------------------------------------------------------

//

CIAUpdaterInstaller::~CIAUpdaterInstaller()

    {    

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::~CIAUpdaterInstaller begin");

    CancelOperation();

    iTimer.Close();

    iFilesToInstall.ResetAndDestroy();

    delete iInstallLauncher;

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::~CIAUpdaterInstaller end");

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::ConstructL()

// Constructior

// -----------------------------------------------------------------------------

//

void CIAUpdaterInstaller::ConstructL()

    {

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::ConstructL begin");       

    User::LeaveIfError( iTimer.CreateLocal() );

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::ConstructL end");

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::AddFileToInstallL()

// Set the path of all sis files. 

// -----------------------------------------------------------------------------

//		

void CIAUpdaterInstaller::AddFileToInstallL( const TDesC& aFileName )

    {

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::AddFileToInstallL begin"); 

    HBufC* fileName = aFileName.AllocLC();

    IAUPDATE_TRACE_1("[IAUpdater] fileName: %S", fileName); 

    iFilesToInstall.AppendL( fileName );

    CleanupStack::Pop( fileName );

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::AddFileToInstallL end"); 

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::StartInstallingL()

// Start installing

// -----------------------------------------------------------------------------

//

void CIAUpdaterInstaller::StartInstallingL()

    {

    IAUPDATE_TRACE("[IAUpdater] Installer::StartInstallingL begin"); 

    if ( !iFilesToInstall.Count() )

        {

        IAUPDATE_TRACE_1("[IAUpdater] Error No file to install: %d", KErrAbort );

        User::Leave( KErrAbort );

        }

    if ( iState != EDSisInstallerStateIdle )

        {

        // Leave, because installation operation is already on.

        User::Leave( KErrInUse );

        }

    if ( !iInstallLauncher )

        {

        IAUPDATE_TRACE("[IAUpdater] Create install launcher");

        iInstallLauncher = CIAUpdaterSilentLauncher::NewL( iFs );

        }   

    // Reset the error

    IAUPDATE_TRACE("[IAUpdater] Reset error and complete self");

    iInstallErr = KErrNone;        

    CompleteSelf();

    // Notice, that this will not return before 

    // CActiveSchedulerWait::AsyncStop() is called.

    // So, active object may do its job above 

    // and the code will continue after they

    // are finished and AsyncStop is called.

    IAUPDATE_TRACE("[IAUpdater] Active scheduler start waiting begins");

    iWaiter.Start();

    IAUPDATE_TRACE("[IAUpdater] Active scheduler start waiting ends");

    IAUPDATE_TRACE("[IAUpdater] Installer::StartInstallingL end"); 

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::CompleteSelf()

// Complete the request manually 

// -----------------------------------------------------------------------------

//		

void CIAUpdaterInstaller::CompleteSelf()

    {

    IAUPDATE_TRACE("[IAUpdater] Installer::CompleteSelf begin");

    if ( !IsActive() )

        {        

        IAUPDATE_TRACE("[IAUpdater] SetActive");

        TRequestStatus* status = &iStatus;

        User::RequestComplete( status, KErrNone );

        SetActive();

        }    

    IAUPDATE_TRACE("[IAUpdater] Installer::CompleteSelf end");

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::CancelOperation()

// Cancel the active request and stop waiter.

// -----------------------------------------------------------------------------

//

void CIAUpdaterInstaller::CancelOperation()

    {

    IAUPDATE_TRACE("[IAUpdater] Installer::CancelOperation begin");

    // Use normal cancel to cancel possible active operation.

    Cancel();

	// Stop active scheduler 

    if ( iWaiter.IsStarted() )

        {

        IAUPDATE_TRACE("[IAUpdater] Stop waiter.");

        iWaiter.AsyncStop();            

        }

    IAUPDATE_TRACE("[IAUpdater] Installer::CancelOperation end");

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::DoCancel()

// Cancel the active request.

// -----------------------------------------------------------------------------

//

void CIAUpdaterInstaller::DoCancel()

    {    

    IAUPDATE_TRACE("[IAUpdater] Installer::DoCancel begin");

    iTimer.Cancel();

    iFileIndex = 0;

    iFilesToInstall.ResetAndDestroy();

    if ( iState == EDSisInstallerStateInstalling )

        {                    

        iInstallLauncher->Cancel();

        }

    TRAP_IGNORE( iIAUpdater.SetProcessParametersL( KErrCancel ) );

    IAUPDATE_TRACE("[IAUpdater] Installer::DoCancel end");

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::RunL()

//

// -----------------------------------------------------------------------------

//

void CIAUpdaterInstaller::RunL()

    {

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::RunL() begin");

    IAUPDATE_TRACE_1("[IAUpdater] RunL(): iStatus = %d", iStatus.Int() );     

    switch ( iState )

        {      

        // Reached when installation is completed. Check result.

        case EDSisInstallerStateInstalling:

            { 

            IAUPDATE_TRACE("[IAUpdater] RunL() Sis Inst. state INSTALLING");                    

            if ( iStatus.Int() == SwiUI::KSWInstErrBusy )

                {

                IAUPDATE_TRACE("[IAUpdater] RunL() SWInstaller Busy"); 

                // User might be installing something, wait before retrying 

                TTimeIntervalMicroSeconds32 time( 

                    IAUpdaterDefs::KInstallRetryWaitTime );                        

                iTimer.After( iStatus, time );                

                iState = EDSisInstallerStateInstallerBusy;

                SetActive();                        

                break;                        

                }                

            else if ( (iStatus.Int() == SwiUI::KSWInstErrSecurityFailure && 

                iInstallErr == KErrNone) ||

                (iStatus.Int() != KErrNone && 

                iStatus.Int() != SwiUI::KSWInstErrSecurityFailure) )

                {

                IAUPDATE_TRACE("[IAUpdater] RunL() Ins. err or sec. failure"); 

                iInstallErr = iStatus.Int();                                      

                }

            // Check if we have more to install

            if ( iFileIndex < iFilesToInstall.Count() )

                {

                IAUPDATE_TRACE("[IAUpdater] RunL() Start next installation"); 

                iState = EDSisInstallerStateIdle;               

                CompleteSelf();

                }   

            else

                {                               

                InstallationCompleted( iInstallErr );

                } 

            }

            break;

        // Install a file

        case EDSisInstallerStateIdle:

            { 

            IAUPDATE_TRACE("[IAUpdater] RunL() Sis Inst. state IDLE");  

            if ( iFileIndex < iFilesToInstall.Count() )

                {                               

                iSisFile.Copy( *iFilesToInstall[iFileIndex] );

                ++iFileIndex;

                IAUPDATE_TRACE_1("[IAUpdater] RunL() Start install %S", &iSisFile ); 

                iInstallLauncher->InstallL( iSisFile, iStatus );                

                iState = EDSisInstallerStateInstalling;                    

                SetActive();

                }

            else

                {

                InstallationCompleted( iInstallErr );                            

                } 

            }                        

            break;

        case EDSisInstallerStateInstallerBusy:

            {

            IAUPDATE_TRACE("[IAUpdater] RunL() Sis Inst. state INSTALLER BUSY");  

            IAUPDATE_TRACE_1("[IAUpdater] RunL() Start install for %S", &iSisFile ); 

            iInstallLauncher->InstallL( iSisFile, iStatus );

            iState = EDSisInstallerStateInstalling;

            SetActive();                 

            }

            break;                       

        // Active object in unknown state

        default:

            IAUPDATE_TRACE("[IAUpdater] RunL() Active object in unknown state"); 

            User::Panic( IAUpdaterDefs::KIAUpdaterInstaller, KErrNotSupported );

            break;

        }

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::RunL() end");

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::RunError()

// If RunL leaves then ignore errors

// -----------------------------------------------------------------------------

//

TInt CIAUpdaterInstaller::RunError( TInt aError )

    {

    IAUPDATE_TRACE_1("[IAUpdater] CIAUpdaterInstaller::RunError() error = %d", aError );            

    TInt err( KErrNone );

    InstallationCompleted( aError );                

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::RunError() end");

    return err;

    }

// -----------------------------------------------------------------------------

// CIAUpdaterInstaller::InstallationCompleted()

// Stop active scheduler and stop installation.

// -----------------------------------------------------------------------------

//

void CIAUpdaterInstaller::InstallationCompleted( TInt aResult )

    {

    IAUPDATE_TRACE_1("[IAUpdater] Installation is completed. result = %d", aResult);        

    TRAP_IGNORE( iIAUpdater.SetProcessParametersL( aResult ) );    

    iState = EDSisInstallerStateIdle;    

    iInstallErr = KErrNone;    

    delete iInstallLauncher;

    iInstallLauncher = NULL;

    IAUPDATE_TRACE("[IAUpdater] Stop active scheduler"); 

    // Cancel outstanding requests.    

    CancelOperation();

    IAUPDATE_TRACE("[IAUpdater] CIAUpdaterInstaller::InstallationCompleted() end");

    } 

// ======== GLOBAL FUNCTIONS ========

//EOF