/*

* 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:  Handles interaction with setup wizard implementation

*

*/

// SYSTEM INCLUDE FILES

#include "emailtrace.h"

#include <FreestyleEmailUi.rsg>

#include <aknnotewrappers.h>

#include <centralrepository.h>

#include <StringLoader.h>

//<cmail>

#include "cfsmailclient.h"

//</cmail>

// INTERNAL INCLUDE FILES

#include "FreestyleEmailUiWizardObserver.h"

#include "FreestyleEmailUiLauncherGridVisualiser.h"

#include "freestyleemailcenrephandler.h"

#include "FreestyleEmailUiUtilities.h"

// CONSTANT VALUES

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

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

// CFSEmailUiWizardObserver::CFSEmailUiWizardObserver

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

CFSEmailUiWizardObserver::CFSEmailUiWizardObserver( 

    CFreestyleEmailUiAppUi* aAppUi,

    CFSEmailUiLauncherGridVisualiser* aMainUiGridVisualiser )

    : iAppUi( aAppUi ), iMainUiGridVisualiser( aMainUiGridVisualiser ),

      iProcessComplete( ETrue ), iForegroundAfterWizardMessage( EFalse ), 

      iInformAboutParams( EFalse ), iNewMailboxEventHandlingAllowed( EFalse ),

      iNewMailboxCreated( EFalse )

    {

    FUNC_LOG;

    }

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

// CFSMailPluginManager::~CFSMailPluginManager

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

CFSEmailUiWizardObserver::~CFSEmailUiWizardObserver()

    {

    FUNC_LOG;

    // just in case: dismiss possible wait note

    if ( iMainUiGridVisualiser )

        {

        iMainUiGridVisualiser->SetWizardWaitnoteShown( EFalse );

        }

    delete iWaitNote;

    iWaitNote = NULL;

	}

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

// CFreestyleEmailUiWizardObserver::NewLC

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

CFSEmailUiWizardObserver* CFSEmailUiWizardObserver::NewLC( 

    CFreestyleEmailUiAppUi* aAppUi,

    CFSEmailUiLauncherGridVisualiser* aMainUiGridVisualiser )

    {

    FUNC_LOG;

    CFSEmailUiWizardObserver* self = 

        new (ELeave) CFSEmailUiWizardObserver( aAppUi, aMainUiGridVisualiser );

    CleanupStack:: PushL( self );

    self->ConstructL();

    return self;

    } 

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

// CFSEmailUiWizardObserver::NewL

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

CFSEmailUiWizardObserver* CFSEmailUiWizardObserver::NewL( 

    CFreestyleEmailUiAppUi* aAppUi,

    CFSEmailUiLauncherGridVisualiser* aMainUiGridVisualiser )

    {

    FUNC_LOG;

    CFSEmailUiWizardObserver* self = 

        CFSEmailUiWizardObserver::NewLC( aAppUi, aMainUiGridVisualiser );

    CleanupStack:: Pop( self );

    return self;

    }

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

// CFSEmailUiWizardObserver::ConstructL

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

void CFSEmailUiWizardObserver::ConstructL()

    {

    FUNC_LOG;

    }

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

// CFSEmailUiWizardObserver::DoWizardStartupActionsL()

//

// Check if there are some params set by a setup wizard in the centrep

// location (meaning that we have been launched by a setup wizard) and

// inform FW about in that case

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

void CFSEmailUiWizardObserver::DoWizardStartupActionsL()

    {

    FUNC_LOG;

    // In this case we are not interested of the actual content of the cenrep,

    // our only interest is that is there something in the specified keys or

    // not. So to avoid unneccessary stack usage, we keep the size of

    // accountType buffer in minimum -> cenrep handler returns KErrOverflow

    // if there is something (and it doesn't fit to buffer).

    TBuf<1> accountType = KNullDesC();

    TBuf<KMaxUidName> centrepStartKey = KNullDesC();

    CFSEmailCRHandler* crHandler = iAppUi->GetCRHandler();

    if ( !crHandler )

        {

        return;

        }

    TInt accountTypeError = crHandler->SetupWizAccountType( accountType );

    TInt startKeyError = crHandler->SetupWizCentrepStartKey( centrepStartKey );

    // IF accountType had some content and it didn't fit to buffer OR

    //    accountType had some content and it fit to buffer

    // ==> there was something in accountType

    // AND

    // IF startKey had some content and it didn't fit to buffer OR

    //    startKey had some content and it fit to buffer

    // ==> there was something in startKey

    if ( ( accountTypeError == KErrOverflow ||

           ( accountTypeError == KErrNone && accountType.Length() > 0 ) ) &&

         ( startKeyError == KErrOverflow ||

           ( startKeyError == KErrNone && centrepStartKey.Length() > 0 ) ) )

        {

        // Launches the "Creating mailbox" wait note - 

        // execution continues in the method StepL() after that.

        StartWaitNoteL();

        }

    else

        {

        }

    }

void CFSEmailUiWizardObserver::HandleMessage( TUint32 /*aClientHandleOfTargetWindowGroup*/,

                                              TUid /*aMessageUid*/,

                                              const TDesC8& aMessageParameters )

    {

    FUNC_LOG;

    if ( aMessageParameters.Compare( KNullDesC8 ) == 0 )

        {

        TApaTaskList taskList( CEikonEnv::Static()->WsSession() );

        TApaTask task = taskList.FindApp( KFSEmailUiUid );

        if ( task.Exists() )

            {

            if ( !iAppUi->IsForeground() )

                {

                // Bring Email UI to foreground

                iForegroundAfterWizardMessage = ETrue;

                task.BringToForeground();

                }

            else

                {

                // Launches the "Creating mailbox" wait note - 

                // execution continues in the method StepL() after that.

                TRAPD( err, StartWaitNoteL() );

                if ( err != KErrNone )

                	{

                	}

                }

            }

        }

    }

void CFSEmailUiWizardObserver::HandleForegroundEventL( TBool aForeground )

    {

    FUNC_LOG;

    // iForegroundAfterWizardMessage flag is turned into ETrue when we have received 

    // a KNullDesC message from mailbox setup wizard in HandleMessage() and if UI is

    // brought to foreground after that.

    if ( iForegroundAfterWizardMessage && aForeground )

        {

        iForegroundAfterWizardMessage = EFalse;

        // launches the "Creating mailbox" wait note - 

        // execution continues in the method StepL() after that.

        StartWaitNoteL();

        }

    }

void CFSEmailUiWizardObserver::StartWaitNoteL()

    {

    FUNC_LOG;

    // This wait note will be dismissed in callback method EventL()

    iProcessComplete = EFalse;

    iInformAboutParams = ETrue;

    iMainUiGridVisualiser->SetWizardWaitnoteShown( ETrue );

    TRAPD( waitNoteError,

        {

        if ( !iWaitNote )

            {

            iWaitNote = CAknWaitNoteWrapper::NewL();

            }

        iWaitNote->ExecuteL( R_FSE_CREATING_MAILBOX_DIALOG, *this );

        // after ExecuteL the execution continues in StepL()

        } );

    if ( waitNoteError != KErrNone )

        {

        // Only reason for the wait note showing to fail should be if we run

        // out of memory, so there's not much we can do, except give up. So

        // first reset our internal variables and clear the cenrep data so

        // that the user data is not left there.

        iProcessComplete = ETrue;

        iInformAboutParams = EFalse;

        iMainUiGridVisualiser->SetWizardWaitnoteShown( EFalse );

        iAppUi->GetCRHandler()->ClearWizardParams();

        // Our own error note showing is probably not working either,

        // but let's try it anyway

        TRAPD( errorNoteError,

            {

            TFsEmailUiUtility::ShowGlobalErrorNoteL( R_FREESTYLE_EMAIL_UI_LOGIN_INFO_NOTE_ERROR_MAILBOX_SETUP_TRY_AGAIN );

            } );

        // If our own error note showing failed, then we leave and let

        // the system show it's own error note

        if ( errorNoteError != KErrNone )

            {

            User::Leave( waitNoteError );

            }

        }

    }

void CFSEmailUiWizardObserver::InformFrameworkAboutParamsL()

    {

    FUNC_LOG;

    TInt mailboxConfigError( KErrNone );

    // tell framework - and thus the plugin - to check the parameters from centrep

    TRAPD( wDataAvailableError,

        {

        mailboxConfigError = iAppUi->GetMailClient()->WizardDataAvailableL();

        } );

    // clears the two centrep keys that were passed as parameters to plugins

    iAppUi->GetCRHandler()->ClearWizardParams();

    // The error filtering logic was moved here from CFSMailClient::WizardDataAvailableL.

    // if an error is received, some called plugin didn't support the mailbox 

    // creation process, or the parameters couldn't be read from central repository.

    if ( mailboxConfigError != KErrNone || wDataAvailableError != KErrNone )

        {

        // dismiss the wait note

        iProcessComplete = ETrue;

        iMainUiGridVisualiser->SetWizardWaitnoteShown( EFalse );

        // show an error note

        TRAP_IGNORE(

            {

            TFsEmailUiUtility::ShowGlobalErrorNoteL( R_FREESTYLE_EMAIL_UI_LOGIN_INFO_NOTE_ERROR_MAILBOX_SETUP_TRY_AGAIN );

            });

        }

    else

        {

        iNewMailboxEventHandlingAllowed = ETrue;

        }

    }

void CFSEmailUiWizardObserver::EventL( TFSMailEvent aEvent, TFSMailMsgId aMailbox, 

                                       TAny* /*aParam1*/, TAny* /*aParam2*/, TAny* /*aParam3*/ )

    {

    FUNC_LOG;

    switch ( aEvent )

    	{

    	case TFSEventNewMailbox:

    		{

            // update grid view now when we have new mailbox created

            iMainUiGridVisualiser->RefreshLauncherViewL();

            if ( iNewMailboxEventHandlingAllowed )

                {

                iNewMailboxEventHandlingAllowed = EFalse; //reset the boolean

                // dismiss the wait note

                iProcessComplete = ETrue;

                iMainUiGridVisualiser->SetWizardWaitnoteShown( EFalse );

                // clears the two centrep keys that were passed as parameters to plugins

                iAppUi->GetCRHandler()->ClearWizardParams();

                // <cmail>

                // new mailbox created -> open its Inbox folder after the 

                // wait dialog is dismissed -> continued in 

                // DialogDismissedL method.

                // This code needed to be moved because Wait dialog is 

                // still open and prevents the active view from receiving 

                // events. That's why the grid view was not deactivated. 

                iNewMailboxCreated = ETrue;

                iNewlyCreatedMailboxId = aMailbox;

                // </cmail>

                }

            else

                {

                }

            }

    		break;

   		case TFSEventMailboxCreationFailure:

    		{

	         // dismiss the wait note

	        iProcessComplete = ETrue;

	        iMainUiGridVisualiser->SetWizardWaitnoteShown( EFalse );

	        // clears the two centrep keys that were passed as parameters to plugins

	        iAppUi->GetCRHandler()->ClearWizardParams();

	        TRAP_IGNORE(

	            {

	            TFsEmailUiUtility::ShowGlobalErrorNoteL( R_FREESTYLE_EMAIL_UI_LOGIN_INFO_NOTE_ERROR_MAILBOX_SETUP_TRY_AGAIN );

	            });

	        }

    		break;

   		}           

    }

//

// MAknBackgroundProcess methods

//

void CFSEmailUiWizardObserver::StepL()

    {

    FUNC_LOG;

    // Tell framework that there are parameters in the centrep 

    // with which it can create a new mail account.

    if ( iInformAboutParams )

        {

        iInformAboutParams = EFalse;  //reset the value

        InformFrameworkAboutParamsL();

        }

    }

TBool CFSEmailUiWizardObserver::IsProcessDone() const

    {

    FUNC_LOG;

    return iProcessComplete;

    }

void CFSEmailUiWizardObserver::ProcessFinished()

    {

    FUNC_LOG;

    // nothing here

    }

void CFSEmailUiWizardObserver::DialogDismissedL( TInt aButtonId )

    {

    FUNC_LOG;

    // <cmail>

    if ( iNewMailboxCreated ) 

        {

        // new mailbox created -> open its Inbox folder if Cancel button 

        // not pressed

        iNewMailboxCreated = EFalse;

        if ( aButtonId != EAknSoftkeyCancel )

            {

            CFSMailBox* mailBox = iAppUi->GetMailClient()->GetMailBoxByUidL( 

                iNewlyCreatedMailboxId );

            CleanupStack::PushL( mailBox );

            if ( mailBox )

                {

                TFSMailMsgId inboxFolderId = mailBox->GetStandardFolderId( 

                        EFSInbox );

                // launch the inbox of the new mailbox

                TMailListActivationData tmp;    

                tmp.iFolderId = inboxFolderId; 

                tmp.iMailBoxId = iNewlyCreatedMailboxId; 

                const TPckgBuf<TMailListActivationData> pkgOut( tmp );

                // The App might have been, say, in Attachments list of some 

                // other mailbox but we should not return there with 'Back' 

                // button - it should go to the launcher grid.  So first

                // switch to launcher grid (which should unwind the history

                // back to the launcher grid, which should be the view at

                // the bottom of the stack) and then erase the history just

                // to make sure it's really all gone.

                iAppUi->EraseViewHistory();

                // Now switch to the mail list.

                iAppUi->EnterFsEmailViewL( MailListId, KStartListWithFolderId, 

                        pkgOut );

                }

            CleanupStack::PopAndDestroy( mailBox );

            }

        }

    // </cmail>

    }

TInt CFSEmailUiWizardObserver::CycleError( TInt /*aError*/ )

    {

    FUNC_LOG;

    return KErrNone;

    }

// End of file