/*

* 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: Native SISX SIF (Software Install Framework) plugin.

*

*/

#include "sisxsifpluginuihandler.h"     // CSisxSifPluginUiHandler

#include "sisxsifpluginerrorhandler.h"  // CSisxSifPluginErrorHandler

#include "sisxsifplugin.pan"            // Panic codes

#include "sisxsifcleanuputils.h"        // CleanupResetAndDestroyPushL

#include "sisxsifuiselectioncache.h"    // CSisxUISelectionCache

#include <sifui.h>                      // CSifUi

#include <sifuiappinfo.h>               // CSifUiAppInfo

#include <sifuicertificateinfo.h>       // CSifUiCertificateInfo

#include <sifuierrorinfo.h>             // CSifUiErrorInfo

#include <bautils.h>                    // BaflUtils

#include <driveinfo.h>                  // DriveInfo

#include <featmgr.h>                    // FeatureManager

using namespace Usif;

const TInt KFreeSpaceTreshold = 128*1024;   // bytes

// TODO: replace with proper tracing support

#ifdef _DEBUG

#else

#define FLOG(x)

#define FLOG_1(x,y)

#define FLOG_2(x,y,z)

#endif

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

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

// CSisxSifPluginUiHandler::NewL()

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

//

CSisxSifPluginUiHandler* CSisxSifPluginUiHandler::NewL( RFs& aFs,

        CSisxSifPluginErrorHandler& aErrorHandler )

    {

    FLOG( _L("CSisxSifPluginUiHandler::NewL") );

    CSisxSifPluginUiHandler *self = new( ELeave ) CSisxSifPluginUiHandler( aFs, aErrorHandler );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CSisxSifPluginUiHandler::~CSisxSifPluginUiHandler()

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

//

CSisxSifPluginUiHandler::~CSisxSifPluginUiHandler()

    {

    FLOG( _L("CSisxSifPluginUiHandler::~CSisxSifPluginUiHandler") );

    delete iSelectionCache;

    delete iSifUi;

    iSelectableDrives.Close();

    }

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

// CSisxSifPluginUiHandler::DisplayTextL()

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

//

TBool CSisxSifPluginUiHandler::DisplayTextL( const Swi::CAppInfo& /*aAppInfo*/,

        Swi::TFileTextOption aOption, const TDesC& aText )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayTextL") );

    TBool okToContinue = EFalse;

    switch( aOption )

        {

        case Swi::EInstFileTextOptionContinue:

            ShowQuestionWithContinueL( aText );

            okToContinue = ETrue;

            break;

        case Swi::EInstFileTextOptionSkipOneIfNo:

            okToContinue = ShowQuestionL( aText );

            break;

        case Swi::EInstFileTextOptionAbortIfNo:

        case Swi::EInstFileTextOptionExitIfNo:

            okToContinue = ShowQuestionL( aText );

            break;

        case Swi::EInstFileTextOptionForceAbort:

            ShowQuestionWithContinueL( aText );

            break;

        default:

            break;

        }

    return okToContinue;

    }

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

// CSisxSifPluginUiHandler::DisplayErrorL()

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

//

void CSisxSifPluginUiHandler::DisplayErrorL( const Swi::CAppInfo& /*aAppInfo*/,

        Swi::TErrorDialog aType, const TDesC& aParam )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayErrorL") );

    SetErrorSwiErrorL( aType, aParam );

    }

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

// CSisxSifPluginUiHandler::DisplayDependencyBreakL()

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

//

TBool CSisxSifPluginUiHandler::DisplayDependencyBreakL( const Swi::CAppInfo& /*aAppInfo*/,

        const RPointerArray<TDesC>& /*aComponents*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayDependencyBreakL") );

    TBool okToContinue = EFalse;

    // TODO: localized UI string needed

    _LIT( KText, "Removal may stop other applications working. Continue?" );

    okToContinue = ShowQuestionL( KText );

    return okToContinue;

    }

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

// CSisxSifPluginUiHandler::DisplayApplicationsInUseL()

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

//

TBool CSisxSifPluginUiHandler::DisplayApplicationsInUseL( const Swi::CAppInfo& /*aAppInfo*/,

        const RPointerArray<TDesC>& /*aAppNames*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayApplicationsInUseL") );

    return ETrue;   // silently accepted

    }

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

// CSisxSifPluginUiHandler::DisplayQuestionL()

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

//

TBool CSisxSifPluginUiHandler::DisplayQuestionL( const Swi::CAppInfo& /*aAppInfo*/,

        Swi::TQuestionDialog aQuestion, const TDesC& /*aDes*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayQuestionL") );

    TBool okToContinue = EFalse;

    switch( aQuestion )

        {

        case Swi::EQuestionIncompatible:

            if( !iQuestionIncompatibleDisplayed )

                {

                _LIT( KText, "Application not compatible with phone. Continue anyway?" );

                okToContinue = ShowQuestionL( KText );

                iQuestionIncompatibleDisplayed = ETrue;

                }

            else

                {

                okToContinue = ETrue;   // already accepted once

                }

            break;

        case Swi::EQuestionOverwriteFile:

        default:

            okToContinue = ETrue;   // silently accepted

            break;

        }

    return okToContinue;

    }

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

// CSisxSifPluginUiHandler::DisplayInstallL()

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

//

TBool CSisxSifPluginUiHandler::DisplayInstallL( const Swi::CAppInfo& /*aAppInfo*/,

        const CApaMaskedBitmap* /*aLogo*/,

        const RPointerArray<Swi::CCertificateInfo>& /*aCertificates*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayInstallL") );

    ASSERT( iOperationPhase == EInstalling );

    return ETrue;

    }

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

// CSisxSifPluginUiHandler::DisplayGrantCapabilitiesL()

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

//

TBool CSisxSifPluginUiHandler::DisplayGrantCapabilitiesL( const Swi::CAppInfo& /*aAppInfo*/,

        const TCapabilitySet& aCapabilitySet )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayGrantCapabilitiesL") );

    TBool okToContinue = iSifUi->ShowGrantCapabilitiesL( aCapabilitySet );

    return okToContinue;

    }

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

// CSisxSifPluginUiHandler::DisplayLanguageL()

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

//

TInt CSisxSifPluginUiHandler::DisplayLanguageL( const Swi::CAppInfo& /*aAppInfo*/,

        const RArray<TLanguage>& aLanguages )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayLanguageL") );

    TInt langIndex = iSifUi->ShowSelectLanguageL( aLanguages );

    return langIndex;

    }

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

// CSisxSifPluginUiHandler::DisplayDriveL()

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

//

TInt CSisxSifPluginUiHandler::DisplayDriveL( const Swi::CAppInfo& /*aAppInfo*/,

        TInt64 /*aSize*/, const RArray<TChar>& aDriveLetters,

        const RArray<TInt64>& /*aDriveSpaces*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayDriveL") );

    TInt driveNumber = EDriveC;

    TInt err = iSifUi->SelectedDrive( driveNumber );

    if( err )

        {

        FLOG_1( _L("CSisxSifPluginUiHandler::DisplayDriveL; SelectedDrive err=%d"), err );

        }

    TChar driveLetter = 'C';

    err = RFs::DriveToChar( driveNumber, driveLetter );

    if( err )

        {

        FLOG_1( _L("CSisxSifPluginUiHandler::DisplayDriveL; DriveToChar err=%d"), err );

        }

    TInt index = aDriveLetters.Find( driveLetter );

    if( index >= 0 && index < aDriveLetters.Count() )

        {

        return index;

        }

    return 0;

    }

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

// CSisxSifPluginUiHandler::DisplayUpgradeL()

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

//

TBool CSisxSifPluginUiHandler::DisplayUpgradeL( const Swi::CAppInfo& /*aAppInfo*/,

        const Swi::CAppInfo& /*aExistingAppInfo*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayUpgradeL") );

    return ETrue;

    }

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

// CSisxSifPluginUiHandler::DisplayOptionsL()

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

//

TBool CSisxSifPluginUiHandler::DisplayOptionsL( const Swi::CAppInfo& /*aAppInfo*/,

        const RPointerArray<TDesC>& aOptions, RArray<TBool>& aSelections )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayOptionsL") );

    TInt optionCount = aOptions.Count();

    CPtrCArray* selectableItems = new( ELeave ) CPtrC16Array( optionCount );

    CleanupStack::PushL( selectableItems );

    for( TInt index = 0; index < optionCount; index++ )

        {

        selectableItems->AppendL( *aOptions[ index ] );

        }

    RArray<TInt> selectedIndexes;

    TBool isSelected = iSifUi->ShowSelectOptionsL( *selectableItems, selectedIndexes );

    if( isSelected && selectedIndexes.Count() )

        {

        TInt selectionsCount = aSelections.Count();

        __ASSERT_DEBUG( selectionsCount == optionCount, User::Invariant() );

        for( TInt index = 0; index < selectionsCount; index++ )

            {

            aSelections[ index ] = ( selectedIndexes.Find( index ) != KErrNotFound );

            }

        }

    return isSelected;

    }

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

// CSisxSifPluginUiHandler::HandleInstallEventL()

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

//

TBool CSisxSifPluginUiHandler::HandleInstallEventL( const Swi::CAppInfo& aAppInfo,

        Swi::TInstallEvent aEvent, TInt aValue, const TDesC& /*aDes*/ )

    {

    TBool okToContinue = EFalse;

    if( !iSifUi->IsCancelled() )

        {

        okToContinue = ETrue;

        switch( aEvent )

            {

            case Swi::EEventSetProgressBarFinalValue:

                iProgressBarFinalValue = aValue;

                if( iOperationPhase == EInstalling )

                    {

                    ShowProgressL( aAppInfo, iProgressBarFinalValue, CSifUi::EInstalling );

                    }

                break;

            case Swi::EEventUpdateProgressBar:

                if( iOperationPhase == EInstalling )

                    {

                    iSifUi->IncreaseProgressBarValueL( aValue );

                    }

                iProgressBarCurrentValue += aValue;

                PublishProgressL( EFileOperation );

                break;

            case Swi::EEventDevCert:

                // TODO: show "developer certificate" warning note

                break;

            case Swi::EEventOcspCheckEnd:

            case Swi::EEventAbortedInstall:

            case Swi::EEventAbortedUnInstall:

            case Swi::EEventCompletedInstall:

            case Swi::EEventCompletedUnInstall:

            case Swi::EEventCompletedNoMessage:

            case Swi::EEventLeave:

            default:

                break;

            }

        }

    return okToContinue;

    }

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

// CSisxSifPluginUiHandler::HandleCancellableInstallEventL()

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

//

void CSisxSifPluginUiHandler::HandleCancellableInstallEventL( const Swi::CAppInfo& aAppInfo,

        Swi::TInstallCancellableEvent aEvent, Swi::MCancelHandler& aCancelHandler,

        TInt aValue, const TDesC& /*aDes*/ )

    {

    if( iSifUi->IsCancelled() )

        {

        aCancelHandler.HandleCancel();

        }

    else

        {

        switch( aEvent )

            {

            case Swi::EEventOcspCheckStart:

                ShowProgressL( aAppInfo, aValue, CSifUi::ECheckingCerts );

                iProgressBarCurrentValue += aValue;

                PublishProgressL( EOCSPCheck );

                break;

            case Swi::EEventRemovingFiles:

            case Swi::EEventCopyingFiles:

            case Swi::EEventShuttingDownApps:

            default:

                break;

            }

        }

    }

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

// CSisxSifPluginUiHandler::DisplaySecurityWarningL()

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

//

TBool CSisxSifPluginUiHandler::DisplaySecurityWarningL( const Swi::CAppInfo& aAppInfo,

        Swi::TSignatureValidationResult aSigValidationResult,

        RPointerArray<CPKIXValidationResultBase>& aPkixResults,

        RPointerArray<Swi::CCertificateInfo>& aCertificates,

        TBool aInstallAnyway )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplaySecurityWarningL") );

    TBool result = EFalse;

    if( iIsDriveSelectionRequired )

        {

        AddMemorySelectionL();

        }

    AddCertificatesL( aCertificates, aPkixResults );

    switch( aSigValidationResult )

        {

        case Swi::EValidationSucceeded:

            result = ShowConfirmationL( aAppInfo );

            break;

        case Swi::ESignatureSelfSigned:

        case Swi::ENoCertificate:

        case Swi::ECertificateValidationError:

        case Swi::ESignatureNotPresent:

        case Swi::ESignatureCouldNotBeValidated:

        case Swi::ENoCodeSigningExtension:

        case Swi::ENoSupportedPolicyExtension:

        case Swi::EMandatorySignatureMissing:

            if( aInstallAnyway )

                {

                result = ShowConfirmationL( aAppInfo );

                }

            break;

        default:

            break;

        }

    return result;

    }

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

// CSisxSifPluginUiHandler::DisplayOcspResultL()

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

//

TBool CSisxSifPluginUiHandler::DisplayOcspResultL( const Swi::CAppInfo& /*aAppInfo*/,

        Swi::TRevocationDialogMessage aMessage, RPointerArray<TOCSPOutcome>& /*aOutcomes*/,

        RPointerArray<Swi::CCertificateInfo>& /*aCertificates*/, TBool aWarningOnly )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayOcspResultL") );

    TBool okToContinue = EFalse;

    if( aWarningOnly && !IsOcspMandatoryL() )

        {

        // TODO: localised UI string needed, see R_SISXUI_OCSP_SECURITY_WARNING

        _LIT( KText, "Installation security warning. Unable to verify supplier. Continue anyway?" );

        if( ShowQuestionL( KText ) )

            {

            okToContinue = ETrue;

            }

        }

    if( !okToContinue )

        {

        SetOcspErrorL( aMessage );

        }

    return okToContinue;

    }

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

// CSisxSifPluginUiHandler::DisplayCannotOverwriteFileL()

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

//

void CSisxSifPluginUiHandler::DisplayCannotOverwriteFileL( const Swi::CAppInfo& /*aAppInfo*/,

        const Swi::CAppInfo& /*aInstalledAppInfo*/, const TDesC& /*aFileName*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayCannotOverwriteFileL") );

    // TODO: implement

    }

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

// CSisxSifPluginUiHandler::DisplayMissingDependencyL()

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

//

TBool CSisxSifPluginUiHandler::DisplayMissingDependencyL( const Swi::CAppInfo& /*aAppInfo*/,

        const TDesC& /*aDependencyName*/, TVersion /*aWantedVersionFrom*/,

        TVersion /*aWantedVersionTo*/, TVersion /*aInstalledVersion*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayMissingDependencyL") );

    // TODO: implement

    return ETrue;

    }

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

// CSisxSifPluginUiHandler::DisplayUninstallL()

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

//

TBool CSisxSifPluginUiHandler::DisplayUninstallL( const Swi::CAppInfo& /*aAppInfo*/ )

    {

    FLOG( _L("CSisxSifPluginUiHandler::DisplayUninstallL") );

    ASSERT( iOperationPhase == EUninstalling );

    return ETrue;       // uninstall is always silent

    }

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