/*

* 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: 

*

*/

#include "daemoninstaller.h"

#include "DialogWrapper.h"

#include "swispubsubdefs.h"

#include "SWInstDebug.h"

#include "SilentLauncher.h"

#include "SWInstDefs.h"

#include "sisregistrysession.h"

#include "siscontents.h"

#include "sisparser.h"

#include "filesisdataprovider.h"

#include "previouslyInstalledAppsCache.h"

#include "dessisdataprovider.h"

#include "siscontroller.h"

#include "sisinfo.h"

#include "sisuid.h"

#include "installationFailedAppsCache.h"

#include "sisregistryentry.h"

// For uninstaller

#include "programstatus.h"

using namespace Swi;

const static TInt KInstallRetryWaitTime = 10000000; // 10 secs

// For uninstaller

const static TInt KWaitUninstallerTime = 1000000; // 1 secs  

_LIT(KMCSisInstaller,"Daemon-Installer"); // Minor-Component name

// Two phased construction

CSisInstaller* CSisInstaller::NewL(    

   MDaemonInstallBehaviour* aDaemonBehaviour, 

   CProgramStatus& aMainStatus)

    {

    CSisInstaller* self = new (ELeave) CSisInstaller( aDaemonBehaviour );

    CleanupStack::PushL(self);

    self->ConstructL( aMainStatus ); // For uninstaller

    CleanupStack::Pop(self);

    return self;

    }

// Install Request constructor

CSisInstaller::CSisInstaller( MDaemonInstallBehaviour* aDaemonBehaviour ) 

    : CActive(CActive::EPriorityStandard),

    iDaemonBehaviour( aDaemonBehaviour ),

    iState(EDSisInstallerStateIdle),

    iFileIndex(0),

    iInstallErr( KErrNone )

    {

    }

CSisInstaller::~CSisInstaller()

    {

    Cancel();

    iTimer.Close();

    iFilesToInstall.ResetAndDestroy();

    iFilesToInstall.Close();

    delete iInstallLauncher;

    delete iDialogs;  

    iFs.Close();

    iApaSession.Close();    

    delete iPreviouslyInstalledAppsCache;

    delete iInstallationFailedAppsCache;  

    delete iShutdownWatcher;  

    }

// 2nd phase construction

void CSisInstaller::ConstructL( CProgramStatus& aMainStatus )

    {

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

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

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

    iFs.ShareProtected();

    iDialogs = CDialogWrapper::NewL( iFs );

    iPreviouslyInstalledAppsCache = CPreviouslyInstalledAppsCache::NewL();

    iInstallationFailedAppsCache = CInstallationFailedAppsCache::NewL();

    iShutdownWatcher = CShutdownWatcher::NewL( *this );

    iShutdownWatcher->Start();

    // For uninstaller

    // SisInstaller do not own this so do not delete.     

    iProgramStatus = &aMainStatus;  

    iUpdateCache = ETrue;       

    }

// Set the location of all sis files and the list of them

// also take ownership of the pointers to memory

void CSisInstaller::AddFileToInstallL(const TDesC& aFileName)

    {

    HBufC* fileName = aFileName.AllocLC();

    iFilesToInstall.AppendL( fileName );

    CleanupStack::Pop( fileName );

    }

// Start the request to process the Sisx file

void CSisInstaller::StartInstallingL()

    {

    FLOG( _L("Daemon: StartInstallingL") );

    if(!iFilesToInstall.Count())

        {

        // For uninstaller

        // Check state, if installing change it to idle.

        if ( EStateInstalling == iProgramStatus->GetProgramStatus() )

            {

            FLOG( _L("Daemon: StartInstallingL: Set EStateIdle") );

            iProgramStatus->SetProgramStatusToIdle();

            }        

        User::Leave(KErrAbort);

        }

    // For uninstaller        

    // Check state. If idle chage it to installing, but if installing 

    // or uninstalling do nothing. 

    if ( EStateIdle == iProgramStatus->GetProgramStatus() )

        {

        FLOG( _L("Daemon: StartInstallingL: Set EStateInstalling") );

        iProgramStatus->SetProgramStatus( EStateInstalling );

        }         

    FLOG_1( _L("[CSisInstaller] ConstructL iGeneralProcessStatus = %d"),

            iGeneralProcessStatus );  

    if ( !iInstallLauncher )

        {

        iInstallLauncher = CSilentLauncher::NewL( iFs );

        }   

    if ( iState == EDSisInstallerStateIdle )

        {

        // Reset the error

        CompleteSelf();

        }

    }

// Returns state of Installer. 

TBool CSisInstaller::IsInstalling()

    {

    if ( iInstallerState == EDSisInstallerStateCompleted )

        {

        return EFalse;

        }

    else

        {

        return ETrue;

        }    

    }  

// Complete the request manually

void CSisInstaller::CompleteSelf()

    {

    if ( !IsActive() )

        {        

        TRequestStatus* status = &iStatus;

        User::RequestComplete(status,KErrNone);

        SetActive();

        }    

    }

// Cancel the active request

void CSisInstaller::DoCancel()

    {

    iTimer.Cancel();

    iFileIndex = 0;

    iFilesToInstall.ResetAndDestroy();

    if ( iState == EDSisInstallerStateInstalling )

        {                    

        iInstallLauncher->Cancel();

        }

    // Note that this will also signal plugin that

    // Daemon part is completed. However uninstaller

    // may run since program status is set to idle.    

    InstallationCompleted( KErrNone );

    // For uninstaller

    // Set Installer to idle

    if ( EStateInstalling == iProgramStatus->GetProgramStatus() )

        {

        FLOG( _L("Daemon: DoCancel: Set EStateIdle") );

        iProgramStatus->SetProgramStatusToIdle();

        }    

    }

void CSisInstaller::RunL()

    {

    FLOG_2( _L("Daemon: Installer RunL status:%d, state:%d"), iStatus.Int(), iState );                

    // For uninstaller

    // Check that uninstaller is not running.

    if ( EStateUninstalling == iProgramStatus->GetProgramStatus() )

        {

        // If uninstaller is running already let's wait.

        FLOG( _L("Daemon: RunL: EStateUninstalling -> wait") );                        

        TTimeIntervalMicroSeconds32 time( KWaitUninstallerTime );                        

        iTimer.After(iStatus,time);          

        // Set to idle, installer has not yet started.

        SetActive();                                

        }    

    else

        {

        // Ok uninstaller is in idle, run installing.

        iProgramStatus->SetProgramStatus( EStateInstalling );

        FLOG( _L("Daemon: RunL: Set EStateInstalling") );    

        switch (iState)

            {      

            // Reached when installation is completed

            case EDSisInstallerStateInstalling:

                FLOG( _L("Daemon: RunL: EDSisInstallerStateInstalling") );

                FLOG_1( _L("Daemon: Installation completed with %d"), iStatus.Int() );                    

                // Installation is completed, check result

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

                    {

                    FLOG( _L("Daemon: RunL: iStatus: KSWInstErrBusy") );

                    // User might be installing something, wait before retrying 

                    TTimeIntervalMicroSeconds32 time( KInstallRetryWaitTime );                        

                    iTimer.After(iStatus,time);

                    SetActive();                        

                    break;                        

                    }                

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

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

                    {

                    FLOG( _L("Daemon: RunL: iStatus: KSWInstErrSecurityFailure or error") );

                    iInstallErr = iStatus.Int();                        

                    }

                // Catch all installation error from SwiUI and update cache.              

                if ( iStatus.Int() != KErrNone )

                    {                                

                    FLOG( _L("Daemon: RunL: Installation error.") );

                    if ( iCurrentPackageId != TUid::Uid( NULL ) )

                        {

                        FLOG( _L("Daemon: RunL: Add UID to cache.") );                    

                        iInstallationFailedAppsCache->AddPackageUID( iCurrentPackageId ); 

                        // Clear current UID                    

                        iCurrentPackageId = TUid::Null();                     

                        }

                    }  

                 else

                    {

                    FLOG( _L("Daemon: RunL: Installation OK.") );

                    if ( iCurrentPackageId != TUid::Uid( NULL ) )

                        {                

                        FLOG( _L("Daemon: RunL: Add UID to cache.") );

                        iPreviouslyInstalledAppsCache->UpdateAddL( iCurrentPackageId );                        

                        // Clear current UID                    

                        iCurrentPackageId = TUid::Null(); 

                        }

                    }                                                               

                // Check if we have more to install

                if ( iFileIndex < iFilesToInstall.Count() )

                    {

                    // Kick of the next installation

                    CompleteSelf();

                    }   

                else

                    {

                    // Note that this will also signal plugin that

                    // Daemon part is completed. However uninstaller

                    // may run since program status is set to idle.

                    InstallationCompleted( iInstallErr );                     

                    }                    

                break;

                // Install a file

            case EDSisInstallerStateIdle:

                {  

                FLOG( _L("Daemon: RunL: EDSisInstallerStateIdle") );    

                // Let's update installed apps cache so we do not give

                // installed pacakges several time to plug-in. 

                if ( iUpdateCache && iDaemonBehaviour->IsPlugin() )

                    {

                    FLOG( _L("Daemon: RunL: Update installed cache") );

                    TRAP_IGNORE( iPreviouslyInstalledAppsCache->UpdateAllL() );

                    // This is needed only once in session.

                    // InstallationCompleted will set this ETrue again.

                    iUpdateCache = EFalse;

                    }

                if ( iFileIndex < iFilesToInstall.Count() )

                    {             

                    iSisFile.Copy( *iFilesToInstall[iFileIndex] );

                    ++iFileIndex;

                    // No need to install if the package has been installed 

                    // some time in the past

                    if ( IsValidPackageL( iSisFile ) && NeedsInstallingL( iSisFile ) )

                        { 

                        // If there is plugin for SWI Daemon then let's us it.

                        // Daemon will give all files to plug-in which will 

                        // handle installation. There is not feedback so SWI 

                        // Daemon will not wait plug-in.

                        if ( iDaemonBehaviour->IsPlugin() )

                            {

                            // Notify plug-in if not yet done.                                                                 

                            iDaemonBehaviour->NotifyPlugin();

                            FLOG_1( _L("Daemon: Use plugin to install: %S"), &iSisFile );                             

                            TRAP_IGNORE( iDaemonBehaviour->RequestPluginInstall( iSisFile ) );                                                                                  

                            // Let's continue to give all packages to plug-in. 

                            // Note that we do not have iStatus as this is not async. call 

                            // so we can not use EDSisInstallerStateInstalling state.                             

                            iInstallerState = iState;

                            // Plugin interface is not asyncronous. We need to 

                            // complete self to get all packages to plugin.                            

                            CompleteSelf(); 

                            }                            

                        else

                            {                                                

                            FLOG_1( _L("Daemon: Kick off the install for %S"), &iSisFile );

                            iInstallLauncher->InstallL( iSisFile, iStatus );

                            iDialogs->ShowWaitingNoteL(); 

                            SetActive();

                            }

                        }               

                    else

                        {                  

                        FLOG_1( _L("Daemon: No need to install %S"), &iSisFile );                                

                        // Clear current pkg UID                    

                        iCurrentPackageId = TUid::Null();                                   

                        CompleteSelf();                    

                        }                        

                    }

                else

                    {

                    // Note that this will also signal plugin that

                    // Daemon part is completed. However uninstaller

                    // may run since program status is set to idle.                    

                    InstallationCompleted( iInstallErr );                                       

                    }                        

                }                        

                break;

            case EDSisInstallerStateInstallerBusy:

                // Try to install the file again

                FLOG( _L("Daemon: RunL: EDSisInstallerStateInstallerBusy") );  

                FLOG_1( _L("Daemon: Kick off the install for %S"), &iSisFile );

                iInstallLauncher->InstallL( iSisFile, iStatus );

                SetActive(); 

                break;                       

                // Active object in unknown state

            default:

                User::Panic(KMCSisInstaller,KErrNotSupported);

                break;

            }

        } // else for uninstaller

    }

// If RunL leaves then ignore errors

TInt CSisInstaller::RunError(TInt aError)

    {

    TInt err( KErrNone );

    InstallationCompleted( aError );                

    return err;

    }	

void CSisInstaller::NotifyShuttingDown()

    {

    // System is closing down, we need to stop installations and save

    // the lists of previously installed apps and failed installations.

    // Application server receives EApaSystemEventShutdown event that

    // closes it down.

    Cancel();

void CSisInstaller::InstallationCompleted( TInt aResult )

    {

    FLOG_1( _L("Daemon: InstallationCompleted with result = %d"), aResult );  

    iState = EDSisInstallerStateIdle;    

    iInstallErr = KErrNone;    

    delete iInstallLauncher;

    iInstallLauncher = NULL;

    // We need to update cache again in RunL if plug-in is loaded.

    // It may be that plug-in does install packages after cache is updated.

    iUpdateCache = ETrue;

    // If all files are installed set status to completed.

    if ( iFileIndex >= iFilesToInstall.Count() )

        {                

        iInstallerState = EDSisInstallerStateCompleted; 

        }

    TRAP_IGNORE( iDialogs->CancelWaitingNoteL() );

    if ( aResult != KErrNone && 

         iSisFile.Length() > 0 && 

         IsMediaPresent( TChar( iSisFile[0] ) ) )

        {        

        if ( aResult == SwiUI::KSWInstErrSecurityFailure )

            {

            TRAP_IGNORE( iDialogs->ShowUntrustedResultL() );

            }

        else 

            {

            TRAP_IGNORE( iDialogs->ShowErrorResultL() );

            }    

        }

    // Update cache so we do not start to install those packages 

    // which are installed by the user manyally. 

    // NOTE! plugin will install stuff after this call.

    TRAP_IGNORE(iPreviouslyInstalledAppsCache->FlushToDiskL(););    

    TRAP_IGNORE(iInstallationFailedAppsCache->FlushToDiskL());