/*

* Copyright (c) 2006-2008 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:  Dynamically loadable wrapper for Download manager

*

*/

#include <centralrepository.h>

#include <cdblen.h>

#include <cmconnectionmethod.h>

#include <cmdestination.h>

#include <cmconnectionmethoddef.h>

#include <cmmanager.h>

#ifdef __SERIES60_NATIVE_BROWSER

#endif

#ifdef RD_MULTIPLE_DRIVE

#include <driveinfo.h>

#endif

#include <data_caging_path_literals.hrh>

#include <apparc.h>

#include <drmhelperdmgrwrapper.rsg>

// DEBUG macros

#ifdef _DEBUG

#define DRMDEBUGLIT( a, b ) \

_LIT( a , b )

#define DRMDEBUG( a ) \

RDebug::Print( a )

#define DRMDEBUG2( a, b ) \

RDebug::Print( a, b )

#else

#define DRMDEBUGLIT( a, b )

#define DRMDEBUG( a )

#define DRMDEBUG2( a, b )

#endif

// CONSTANTS

#ifndef __SERIES60_NATIVE_BROWSER

const TUid KCRUidBrowser = {0x10008D39};

const TUint32 KBrowserDefaultAccessPoint = 0x0000000E;

const TUint32 KBrowserAccessPointSelectionMode = 0x0000001E;

#endif

// CONSTANTS

#ifndef RD_MULTIPLE_DRIVE

_LIT( KDriveZ, "z:" );

_LIT( KHelperTriggerFilePath, "d:\\" );

#endif

_LIT( KCDRMHelperDMgrWrapperResFileName,"DRMHelperDMgrWrapper.rsc" );

const TInt KProgressInfoFinalValue( 200 );

const TInt KProgressInfoIncrementSmall( 5 );

const TInt KProgressInfoIncrementMedium( 10 );

const TInt KProgressInfoIncrementLarge( 30 );

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

LOCAL_C void DeleteHttpDowload( TAny* aDownload )

    {

    reinterpret_cast< RHttpDownload* >( aDownload )->Delete();

    }

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

// IapIdOfDefaultSnapL

// for trapping purposes only

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

//

LOCAL_C TUint32 IapIdOfDefaultSnapL(

    RCmManager& aCmManager,

    const TUint32 aDefaultSnap )

    {

    RCmDestination dest( aCmManager.DestinationL( aDefaultSnap ) );

    CleanupClosePushL( dest );

    TUint32 iapIdOfDest( 0 );

    if ( dest.ConnectionMethodCount() <= 0 )

        {

        User::Leave( KErrNotFound );

        }

    RCmConnectionMethod cMeth( dest.ConnectionMethodL( 0 ) );

    CleanupClosePushL( cMeth );

    iapIdOfDest = cMeth.GetIntAttributeL( CMManager::ECmIapId );

    CleanupStack::PopAndDestroy( &cMeth );

    CleanupStack::PopAndDestroy( &dest );

    return iapIdOfDest;

    }

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

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

// CDRMHelperDMgrWrapper::CDRMHelperDMgrWrapper

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

//

CDRMHelperDMgrWrapper::CDRMHelperDMgrWrapper() :

    iUseCoeEnv( EFalse )

    {

    }

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

// CDRMHelperDMgrWrapper::ConstructL

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

//

void CDRMHelperDMgrWrapper::ConstructL()

    {

    CLOG_WRITE( "DMgrWrapper::ConstructL" );

    const TInt KDrmHelperDMgrWrapperUid = 0x102823D9;

    iDlMgr.ConnectL( TUid::Uid(KDrmHelperDMgrWrapperUid), *this, EFalse );

    iProgressInfo = NULL;

    iProgressNoteDialog = NULL;

    iDialogDismissed = ETrue;

    }

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

// CDRMHelperDMgrWrapper::NewL

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

//

CDRMHelperDMgrWrapper* CDRMHelperDMgrWrapper::NewL()

    {

    CLOG_WRITE( "DMgrWrapper::NewL" );

    CDRMHelperDMgrWrapper* self( CDRMHelperDMgrWrapper::NewLC() );

    CleanupStack::Pop( self );

    return self;

    }

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

// CDRMHelperDMgrWrapper::NewLC

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

//

CDRMHelperDMgrWrapper* CDRMHelperDMgrWrapper::NewLC()

    {

    CLOG_WRITE( "DMgrWrapper::NewLC" );

    CDRMHelperDMgrWrapper* self( new( ELeave ) CDRMHelperDMgrWrapper() );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CDRMHelperDMgrWrapper::~CDRMHelperDMgrWrapper

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

//

CDRMHelperDMgrWrapper::~CDRMHelperDMgrWrapper()

    {

    CLOG_WRITE( "DMgrWrapper destructor" );

    if ( iProgressNoteDialog )

       {

       // deletes the dialog

       TRAPD( err, iProgressNoteDialog->ProcessFinishedL() );

       if ( err )

           {

           delete iProgressNoteDialog;

           }

       iProgressNoteDialog = NULL;

       }

    delete iErrorUrl;

    delete iPostResponseUrl;

#ifdef _DEBUG

    if ( iDlMgr.Handle() )

        {

        iDlMgr.Close();

        }

#else

    iDlMgr.Close();

#endif

    }

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

// CDRMHelperDMgrWrapper::DownloadAndHandleRoapTriggerL

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

//

void CDRMHelperDMgrWrapper::DownloadAndHandleRoapTriggerL( const HBufC8* aUrl )

    {

    CLOG_WRITE( "DMgrWrapper::DownloadAndHandleRoapTriggerL" );

    iUseCoeEnv = EFalse;

    DoDownloadAndHandleRoapTriggerL( aUrl );

    HandlePostResponseUrlL();

    }

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

// CDRMHelperDMgrWrapper::DownloadAndHandleRoapTriggerL

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

//

void CDRMHelperDMgrWrapper::DownloadAndHandleRoapTriggerL(

    const HBufC8* aUrl, CCoeEnv& aCoeEnv )

    {

    CLOG_WRITE( "DMgrWrapper::DownloadAndHandleRoapTriggerL" );

    iCoeEnv = &aCoeEnv;

    iUseCoeEnv = ETrue;

    DoDownloadAndHandleRoapTriggerL( aUrl );

    HandlePostResponseUrlL();

    }

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

// CDRMHelperDMgrWrapper::HandlePostResponseUrlL

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

//

void CDRMHelperDMgrWrapper::HandlePostResponseUrlL()

    {

    if ( iPostResponseUrl )

        {

        DoDownloadAndHandleRoapTriggerL( iPostResponseUrl );

        // prevent infinite post response fetches.

        delete iPostResponseUrl;

        iPostResponseUrl = NULL;

        // Ensure progress note gets deleted.

        // It remains open if prUrl initialted ROAP operation has PrUrl

        // (unsupported chained metering report)

        RemoveProgressNoteL();

        }

    }

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

// CDRMHelperDMgrWrapper::DoDownloadAndHandleRoapTriggerL

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

//

void CDRMHelperDMgrWrapper::DoDownloadAndHandleRoapTriggerL(

    const HBufC8* aUrl )

    {

    RFs fs;

    RFile roapTrigger;

    HBufC8* triggerBuf( NULL );

    TBool result( EFalse );

    TFileName triggerFileName;

    CLOG_WRITE( "DMgrWrapper::DoDownloadAndHandleRoapTriggerL" );

    User::LeaveIfError( fs.Connect() );

    CleanupClosePushL( fs );

    User::LeaveIfError( fs.ShareProtected() );

#ifndef RD_MULTIPLE_DRIVE

    User::LeaveIfError( roapTrigger.Temp(

            fs, KHelperTriggerFilePath, triggerFileName, EFileWrite ) );

#else //RD_MULTIPLE_DRIVE

    _LIT( KDrive, "%c:\\");

    TInt driveNumber( -1 );

    TChar driveLetter;

    DriveInfo::GetDefaultDrive( DriveInfo::EDefaultRam, driveNumber );

    fs.DriveToChar( driveNumber, driveLetter );

    TFileName helperTriggerFilePath;

    helperTriggerFilePath.Format( KDrive, (TUint)driveLetter );

    User::LeaveIfError( roapTrigger.Temp(

            fs, helperTriggerFilePath, triggerFileName, EFileWrite ) );

#endif

    TPtrC8 KNullPtr8( NULL, 0 );

    RHttpDownload* downloadPtr( iDlMgr.FindDownload( *aUrl, KNullPtr8 ) );

    if ( downloadPtr )

        {

        // Stale download found.

        // Remove it, and re-create a new download.

        downloadPtr->Delete();

        downloadPtr = NULL;

        }

    // create and start download

    RHttpDownload& download = iDlMgr.CreateDownloadL( *aUrl, result );

    // Put download for proper cleanup.

    TCleanupItem item( DeleteHttpDowload, &download );

    CleanupStack::PushL( item );

    CleanupClosePushL( roapTrigger );

    if ( !iPostResponseUrl )

        {

        // No post response retieval. Note must be created.

        ShowProgressNoteL();

        }

    if ( result )

        {

        const TInt KReadBufSize( 512 );

        TInt triggerFileSize( 0 );

        CLOG_WRITE(

            "DMgrWrapper::DoDownloadAndHandleRoapTriggerL: download created" );

        iDownloadSuccess = EFalse;

        iConnectionError = EFalse;

        SetDefaultAccessPointL();

        User::LeaveIfError( download.SetFileHandleAttribute( roapTrigger ) );

        User::LeaveIfError(

            download.SetBoolAttribute( EDlAttrNoContentTypeCheck, ETrue ) );

        User::LeaveIfError( download.Start() );

        // wait until download is finished

        iWait.Start();

        // Check success of download

        CLOG_WRITE(

            "DMgrWrapper::DoDownloadAndHandleRoapTriggerL: download finished" );

        CleanupStack::Pop( &roapTrigger );

        roapTrigger.Close();

        if ( !iDownloadSuccess )

            {

            RemoveProgressNoteL();

            if ( iConnectionError )

                {

                User::Leave( KErrCouldNotConnect );

                }

            else

                {

                User::Leave( KErrGeneral );

                }

            }

        User::LeaveIfError( roapTrigger.Open( fs,

                                              triggerFileName,

                                              EFileShareReadersOrWriters ) );

        CleanupClosePushL( roapTrigger );

        // Get filehandle of ROAP trigger

        // Read file to buffer

        User::LeaveIfError( roapTrigger.Size( triggerFileSize ) );

        triggerBuf = HBufC8::NewLC( triggerFileSize );

        RBuf8 readBuf;

        readBuf.CleanupClosePushL();

        readBuf.CreateL( KReadBufSize );

        User::LeaveIfError( roapTrigger.Read( readBuf, KReadBufSize ) );

        triggerBuf->Des().Copy( readBuf );

        while ( readBuf.Length() == KReadBufSize )

            {

            User::LeaveIfError( roapTrigger.Read( readBuf, KReadBufSize ) );

            triggerBuf->Des().Append( readBuf );

            }

        CleanupStack::PopAndDestroy( &readBuf );

        if ( iUseCoeEnv && iProgressInfo )

            {

            iProgressInfo->IncrementAndDraw( KProgressInfoIncrementMedium );

            }

        // And let ROAP handle it...

        CRoapSyncWrapper* roapWrapper( CRoapSyncWrapper::NewL() );

        CleanupStack::PushL( roapWrapper );

        TRAPD( err, roapWrapper->HandleTriggerL( *triggerBuf ) );

        if ( err )

            {

            TInt errorType( 0 );

            TRAPD( err2, iErrorUrl =

                roapWrapper->GetErrorUrlL( err, errorType ) );

            if ( err2 )

                {

                RemoveProgressNoteL();

                delete iErrorUrl;

                iErrorUrl = NULL;

                User::Leave( err2 );

                }

            else if ( errorType != KErrRoapTemporary )

                {

                RemoveProgressNoteL();

                delete iErrorUrl;

                iErrorUrl = NULL;

                User::Leave( err );

                }

            else

                {

                RemoveProgressNoteL();

                User::Leave( err );

                }

            }

        if ( iPostResponseUrl )

            {

            delete iPostResponseUrl;

            iPostResponseUrl = NULL;

            }

        iPostResponseUrl = roapWrapper->GetPostResponseUrlL();

        CleanupStack::PopAndDestroy( 2, triggerBuf );

        if ( iUseCoeEnv && iProgressInfo && !iPostResponseUrl )

            {

            // No PrUrl found. Progess is complete.

            iProgressInfo->SetAndDraw( KProgressInfoFinalValue );

            }

        }

    // Trick to keep note open long enough during prUrl retrieval

    if ( !iPostResponseUrl )

        {

        RemoveProgressNoteL();

        }

    else

        {

        if ( iUseCoeEnv && iProgressInfo )

            {

            iProgressInfo->IncrementAndDraw( KProgressInfoIncrementMedium );

            }

        }

    CleanupStack::PopAndDestroy( &roapTrigger );

    CleanupStack::PopAndDestroy( &download );

    fs.Delete(triggerFileName);

    CleanupStack::PopAndDestroy(&fs);

    }

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

// CDRMHelperDMgrWrapper::SetDefaultAccessPointL

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

//

void CDRMHelperDMgrWrapper::SetDefaultAccessPointL()

    {

    const TInt KDestinationSelectionMode( 2 );

    CRepository* repository( NULL );

    TInt ap( 0 );

    TInt alwaysAsk( 0 );

    TUint32 iapd32( 0 );

    TInt defaultSnap( 0 );

    TInt err( KErrNone );

    CLOG_WRITE( "DMgrWrapper::SetDefaultAccessPointL" );

    repository = CRepository::NewL( KCRUidBrowser );

    CleanupStack::PushL( repository );

    repository->Get( KBrowserDefaultAccessPoint, ap );

    repository->Get( KBrowserAccessPointSelectionMode, alwaysAsk );

    repository->Get( KBrowserNGDefaultSnapId, defaultSnap );

    if ( ap <= KErrNotFound && defaultSnap <= KErrNotFound )

        {

        alwaysAsk = ETrue;

        }

    else

        {

        RCmManager cmManager;

        cmManager.OpenLC();

        if ( !alwaysAsk )

            {

            TRAP( err, iapd32 = cmManager.GetConnectionMethodInfoIntL(

                    ap, CMManager::ECmIapId ) );

            }

        else if ( alwaysAsk == KDestinationSelectionMode )

            {

            TRAP( err, iapd32 =

                IapIdOfDefaultSnapL( cmManager, defaultSnap ) );

            }

        CleanupStack::PopAndDestroy( &cmManager );

        }

    if ( !err && ( !alwaysAsk || alwaysAsk == KDestinationSelectionMode ) )

        {

        err = iDlMgr.SetIntAttribute( EDlMgrIap, iapd32 );

        }

    CleanupStack::PopAndDestroy( repository );

    }

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

// CDRMHelperDMgrWrapper::GetErrorUrlL

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

//

HBufC8* CDRMHelperDMgrWrapper::GetErrorUrlL()

    {

    if( iErrorUrl )

        {

        return iErrorUrl->AllocL();

        }

    return NULL;

    }

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

// From class MHttpDownloadMgrObserver

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

//

void CDRMHelperDMgrWrapper::HandleDMgrEventL(

    RHttpDownload& aDownload,

    THttpDownloadEvent aEvent )

    {

    _LIT8( KDRMHelperMimeTypeROAPTrigger,

        "application/vnd.oma.drm.roap-trigger+xml" );

    CLOG_WRITE( "DMgrWrapper::HandleDMgrEventL" );

    CLOG_WRITE_FORMAT( "iDownLoadState = %d", aEvent.iDownloadState );

    CLOG_WRITE_FORMAT( "iProgressState = %d", aEvent.iProgressState );