/*

* Copyright (c) 2007 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:  Freestyle Email source file

*

*/

// SYSTEM INCLUDES

#include "emailtrace.h"

#include <aknViewAppUi.h>

#include <eikmenub.h>

#include <avkon.hrh>

#include <barsread.h>

#include <StringLoader.h>

#include <aknlists.h>

#include <eikenv.h>

#include <AknIconArray.h>

#include <eikclbd.h>

#include <akncontext.h>

#include <akntitle.h>

#include <FreestyleEmailUi.rsg>

//<cmail>

#include <featmgr.h>

//</cmail>

#include "CFSMailCommon.h"

#include "CFSMailBox.h"

#include "ESMailSettingsPlugin.h"

#include "ESMailSettingsPluginUids.hrh"

//</cmail>

#include <gsfwviewuids.h> // Uids for general settings activation

// <cmail> 

#include <csxhelp/cmail.hlp.hrh>

// </cmail>

// LOCAL INCLUDES

#include "FreestyleEmailUiUtilities.h"

#include "FreestyleEmailUiSettingsListView.h"

#include "FreestyleEmailUiSettingsList.h"

#include "FreestyleEmailUi.hrh"

#include "FreestyleEmailUiSettings.hrh"

#include "FreestyleEmailUiConstants.h"

#include "FreestyleEmailUiAppui.h"

#include "FreestyleEmailUiShortcutBinding.h"

#include "FreestyleEmailUiLauncherGridVisualiser.h"

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

// First phase of Symbian two-phase construction. Should not contain any

// code that could leave.

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

//

CFsEmailSettingsListView::CFsEmailSettingsListView( CAlfControlGroup& aControlGroup, 

        CFreestyleEmailUiAppUi& aAppUi, CFSMailClient& aMailClient  )

    : CFsEmailUiViewBase( aControlGroup, aAppUi ), iMailClient( aMailClient )

	{

    FUNC_LOG;

	iFsEmailSettingsList = NULL;

	iMailboxSettings = EFalse;

	}

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

// ~CFsEmailSettingsListView

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

//

CFsEmailSettingsListView::~CFsEmailSettingsListView()

	{

    FUNC_LOG;

   	if ( iAsyncCallback )

		{

		iAsyncCallback->Cancel();

		delete iAsyncCallback;

		}

	}

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

// Symbian two-phase constructor.

// This creates an instance then calls the second-phase constructor

// without leaving the instance on the cleanup stack.

// @return new instance of CFsEmailSettingsListView

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

//

CFsEmailSettingsListView* CFsEmailSettingsListView::NewL( 

		CFSMailClient& aMailClient,

		CFreestyleEmailUiAppUi* aAppUi, 

		CAlfControlGroup& aControlGroup )

	{

    FUNC_LOG;

	CFsEmailSettingsListView* self = CFsEmailSettingsListView::NewLC( aMailClient, aAppUi, aControlGroup );

	CleanupStack::Pop( self );

	return self;

	}

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

// Symbian two-phase constructor.

// This creates an instance, pushes it on the cleanup stack,

// then calls the second-phase constructor.

// @return new instance of CFsEmailSettingsListView

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

//

CFsEmailSettingsListView* CFsEmailSettingsListView::NewLC( 

		CFSMailClient& aMailClient,

		CFreestyleEmailUiAppUi* aAppUi, 

		CAlfControlGroup& aControlGroup )

	{

    FUNC_LOG;

	CFsEmailSettingsListView* self = 

	    new ( ELeave ) CFsEmailSettingsListView( aControlGroup, *aAppUi, aMailClient );

	CleanupStack::PushL( self );

	self->ConstructL();

	return self;

	}

/**

 * Second-phase constructor for view.  

 * Initialize contents from resource.

 */ 

void CFsEmailSettingsListView::ConstructL()

	{

    FUNC_LOG;

	BaseConstructL( R_FS_EMAIL_SETTINGS_LIST_VIEW );

	iAsyncCallback = new (ELeave) CAsyncCallBack( CActive::EPriorityStandard );

	iAsyncCallback->Set( TCallBack( DisplayCreateQuery, this ) ); 

	}

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

// CFsEmailSettingsListView::DisplayCreateQuery

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

void CFsEmailSettingsListView::StartMailboxAsyncQueryL()

	{

    FUNC_LOG;

	if ( iAsyncCallback )

		{

		iAsyncCallback->CallBack();

		}

	}

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

// CFsEmailSettingsListView::DisplayCreateQuery

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

TInt CFsEmailSettingsListView::DisplayCreateQuery( TAny* aViewPtr )

    {

    FUNC_LOG;

    CFsEmailSettingsListView* self = static_cast<CFsEmailSettingsListView*>( aViewPtr ); 

	TRAPD( err, self->DisplayCreateMailboxNoteIfNeededL() );

    return err;

    }

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

// CFsEmailSettingsListView::DisplayCreateQueryL

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

void CFsEmailSettingsListView::DisplayCreateMailboxNoteIfNeededL()

    {

    FUNC_LOG;

    User::LeaveIfNull( iFsEmailSettingsList );

    iFsEmailSettingsList->DisplayCreateMailboxNoteIfNeededL();

    }

/**

 * @return The UID for this view

 */

TUid CFsEmailSettingsListView::Id() const

	{

    FUNC_LOG;

	return SettingsViewId;

	}

/**

 * Handle a command for this view (override)

 * @param aCommand command id to be handled

 */

void CFsEmailSettingsListView::HandleCommandL( TInt aCommand )

	{

    FUNC_LOG;

	switch ( aCommand )

		{

		case EAknSoftkeyBack:

			{

			if ( iFsEmailSettingsList->Get2ndLevelListIndicator() 

			     && !iMailboxSettings )

			    {

			    // return from sub view

			    iFsEmailSettingsList->CreateAccountListL();

			    // when returning to mailboxlist set sublistindex to zero to avoid 

			    // wrong indexin when creating the sublistviews

			    iFsEmailSettingsList->SetSelectedSubListIndex(0);

	            SetupStatusPaneL();

			    }

			else

			    {

			    // navigate away from settings

	            NavigateBackL();

			    }

			break;

			}

		case EAknSoftkeyOpen:	

		case EFsEmailUiCmdOpen:

			{

			iFsEmailSettingsList->HandleUserSelectionsL();

			SetupStatusPaneL();

			break;

			}

		case EFsEmailUiCmdSettingsAddAccount:

			iFsEmailSettingsList->AddAccountL();

			break;

		case EFsEmailUiCmdSettingsRemoveAccount:

			iFsEmailSettingsList->RemoveAccountL();

			break;	

		case EFsEmailUiCmdHelp:

			TFsEmailUiUtility::LaunchHelpL( KFSE_HLP_LAUNCHER_GRID );

            break;

		case EFsEmailUiCmdExit:

			AppUi()->HandleCommandL( EEikCmdExit );

			break;

		case EFsEmailUiCmdGoToTop:

		    iFsEmailSettingsList->GoToTop();

		    break;

		case EFsEmailUiCmdGoToBottom:

		    iFsEmailSettingsList->GoToBottom();

		    break;

        case EFsEmailUiCmdPageUp:

            iFsEmailSettingsList->PageUp();

            break;

        case EFsEmailUiCmdPageDown:

            iFsEmailSettingsList->PageDown();

            break;

		default:

			break;

		}

	}

/**

 *	Handles user actions during activation of the view, 

 *	such as initializing the content.

 */

// <cmail> Toolbar

/*void CFsEmailSettingsListView::DoActivateL(

        const TVwsViewId& aPrevViewId,

        TUid aCustomMessageId,

        const TDesC8& aCustomMessage )*/

void CFsEmailSettingsListView::ChildDoActivateL(

        const TVwsViewId& aPrevViewId,

        TUid aCustomMessageId,

        const TDesC8& aCustomMessage )

// </cmail> Toolbar

	{

    FUNC_LOG;

    if ( aCustomMessageId.iUid != KMailSettingsReturnToPrevious &&

         aCustomMessageId.iUid != KMailSettingsReturnFromPluginSettings )

        {

        ViewEntered( aPrevViewId );

        }

	// create view control

	if ( iFsEmailSettingsList == NULL )

		{

		TPckgBuf<CESMailSettingsPlugin::TSubViewActivationData> subViewData;

		subViewData.Copy( aCustomMessage );

		CESMailSettingsPlugin::TSubViewActivationData subView = subViewData();

		iFsEmailSettingsList = CFsEmailSettingsList::NewL( ClientRect(), NULL, iAppUi, iMailClient, *this );

		iFsEmailSettingsList->SetMopParent( this );

		AppUi()->AddToStackL( *this, iFsEmailSettingsList );

		} // no else

	if ( iFsEmailSettingsList )

		{

		// Opened from launcher grid

		if ( aCustomMessageId == TUid::Uid( KMailSettingsOpenMainList ) )

			{

			iFsEmailSettingsList->CreateAccountListL();

			} // no else

		// Opened from S60 general settings

		if ( aCustomMessageId == TUid::Uid( KOpenMailSettingsFromGS ) )

			{

			iFsEmailSettingsList->CreateAccountListL();

			} // no else

		// Returning from global settings

		if ( aCustomMessageId == TUid::Uid( KMailSettingsReturnToPrevious ) )

			{

			iFsEmailSettingsList->CreateAccountListL();

			} // no else

		// open specific mailbox settings directly from mail list

		if ( aCustomMessageId == TUid::Uid( KMailSettingsOpenMailboxSettings ) )

			{

			// save previous view

			iMailboxSettings = ETrue;

			TMailListActivationData mailboxData;

			TPckgBuf<TMailListActivationData> mailboxPkgData( mailboxData );

			mailboxPkgData.Copy( aCustomMessage );

			mailboxData = mailboxPkgData();

			CFSMailBox* mailbox = iFsEmailSettingsList->GetMailBoxByIdL( mailboxData.iMailBoxId.Id() );

			if ( mailbox )

				{

				CleanupStack::PushL( mailbox );

				TUid settingsPluginId = mailbox->GetSettingsUid();

				iFsEmailSettingsList->SetPluginSettingsUid( settingsPluginId );

				iFsEmailSettingsList->SetSelectedAccountInfo( mailbox->GetId() );

				CleanupStack::PopAndDestroy( mailbox );

				iFsEmailSettingsList->ActivateMailSettingsPluginSubViewL( mailboxData.iRequestRefresh );

				}

			else // Mailbox fetching failed, create account list instead

				{

				iFsEmailSettingsList->CreateAccountListL();

				}

			} // no else

		// opening specific plugin caption list outside email ui

		if ( aCustomMessageId == TUid::Uid( KMailSettingsOpenPluginSettings ) )

			{

			CESMailSettingsPlugin::TSubViewActivationData subView;

			TPckgBuf<CESMailSettingsPlugin::TSubViewActivationData> SubViewData( subView );

			SubViewData.Copy( aCustomMessage );

			subView = SubViewData();

			CFSMailBox* mailbox = iFsEmailSettingsList->GetMailBoxByIdL( subView.iAccount.Id() );

			if ( mailbox )

				{

				CleanupStack::PushL( mailbox );

				iFsEmailSettingsList->SetSelectedAccountInfo( subView.iAccount );

				TUid settingsPluginId = mailbox->GetSettingsUid();

				CleanupStack::PopAndDestroy( mailbox );

				iFsEmailSettingsList->CreatePluginSubviewListL( settingsPluginId );				

				}

			else // Mailbox fetching failed, create account list instead

				{

				iFsEmailSettingsList->CreateAccountListL();

				}

			} // no else

		// coming from plugin settings

		if ( aCustomMessageId == TUid::Uid( KMailSettingsReturnFromPluginSettings ) )

			{

	    	// Better to refresh launcher grid view because mailbox branding might be changed.

			iAppUi.LauncherGrid().SetRefreshNeeded();

			CESMailSettingsPlugin::TSubViewActivationData subView;

			TPckgBuf<CESMailSettingsPlugin::TSubViewActivationData> SubViewData( subView );

			SubViewData.Copy( aCustomMessage );

			subView = SubViewData();

			// if subview was selected from list then return to subview list

			// otherwise return to account list

			if ( subView.iSubviewId > -1 )

				{

				CFSMailBox* mailbox = iFsEmailSettingsList->GetMailBoxByIdL( subView.iAccount.Id() );

				if ( mailbox ) // Malbox pointer can be null

					{

					CleanupStack::PushL( mailbox );

					iFsEmailSettingsList->SetSelectedAccountInfo( subView.iAccount );

					iFsEmailSettingsList->SetSelectedSubListIndex( subView.iSubviewId );

					TUid settingsPluginId = mailbox->GetSettingsUid();

					CleanupStack::PopAndDestroy( mailbox );

					if(subView.iPimAccount)

						{

						iFsEmailSettingsList->CreatePluginPIMListL( settingsPluginId );

						iFsEmailSettingsList->SetPimListActivation(ETrue);

						}

					else

						{

						iFsEmailSettingsList->CreatePluginSubviewListL( settingsPluginId );

						}					

					}

				// If mailbox id was null after returning from plugin settings

				// the only thing left to do is create account list once again

				// instead of goinf to subview.

				else 

	 				{

					iFsEmailSettingsList->CreateAccountListL();				

					}

				}

			else

				{

				iFsEmailSettingsList->CreateAccountListL();

				}

			} // no else

		if ( aCustomMessageId == TUid::Null() )

			{

			iFsEmailSettingsList->CreateAccountListL();

			}

		}

	// setup status pane title

    SetupStatusPaneL();

	// Make a deferred call to show the "create mailbox" query if we opened the main settings list

	if ( aCustomMessageId.iUid == KMailSettingsOpenMainList ||

	        aCustomMessageId.iUid == KOpenMailSettingsFromGS )

	    {

	    StartMailboxAsyncQueryL();

	    }

	iAppUi.HideTitlePaneConnectionStatus();

	}

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

// ChildDoDeactivate

// From CFsEmailUiViewBase

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

//

void CFsEmailSettingsListView::ChildDoDeactivate()

	{

    FUNC_LOG;

	if ( iFsEmailSettingsList != NULL )

		{

		AppUi()->RemoveFromViewStack( *this, iFsEmailSettingsList );

		delete iFsEmailSettingsList;

		iFsEmailSettingsList = NULL;

		}

	}

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

// SetSelectedMainListIndex

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

//

void CFsEmailSettingsListView::SetSelectedMainListIndex( TInt aIndex )

	{

    FUNC_LOG;

	iContainerListIndex = aIndex;

	}

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

// GetSelectedMainListIndex

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

//

TInt CFsEmailSettingsListView::GetSelectedMainListIndex() const

	{

    FUNC_LOG;

	return iContainerListIndex;

	}

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

// DynInitMenuPaneL

// From aknview

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

//

void CFsEmailSettingsListView::DynInitMenuPaneL( 

		TInt aResourceId, 

		CEikMenuPane* aMenuPane )

	{

    FUNC_LOG;

	if ( iFsEmailSettingsList && aResourceId == R_FS_EMAIL_SETTINGS_LIST_MENU_PANE )

		{

	    if ( FeatureManager::FeatureSupported( KFeatureIdFfCmailIntegration ) )

		   {

		   // remove help support in pf5250

		   aMenuPane->SetItemDimmed( EFsEmailUiCmdHelp, ETrue);      

		   }

        TInt lastIndex = iFsEmailSettingsList->Count()-1;

		// Dimm add/remove in 2nd level

        if ( iFsEmailSettingsList->Get2ndLevelListIndicator() )

            {

            aMenuPane->SetItemDimmed(EFsEmailUiCmdSettingsAddAccount, ETrue );

            aMenuPane->SetItemDimmed( EFsEmailUiCmdSettingsRemoveAccount, ETrue );

            }

		// Else dimm remove mailbox if no mailbox selected 

		else if ( iFsEmailSettingsList->ListBox()->CurrentItemIndex() == 0

			|| ( iFsEmailSettingsList->ListBox()->CurrentItemIndex() == lastIndex

			&& iFsEmailSettingsList->PIMSyncItemVisible())  )

			{

			aMenuPane->SetItemDimmed( EFsEmailUiCmdSettingsRemoveAccount, ETrue );

			}

		}

	// Add shortcut hints

	iAppUi.ShortcutBinding().AppendShortcutHintsL( *aMenuPane, 

	                             CFSEmailUiShortcutBinding::EContextSettings );	

	}

/**

 * SetupStatusPaneL

 * 

 * 

 */

void CFsEmailSettingsListView::SetupStatusPaneL()

	{

    FUNC_LOG;

	// reset the context pane

	TUid contextPaneUid = TUid::Uid( EEikStatusPaneUidContext );

	CEikStatusPaneBase::TPaneCapabilities subPaneContext = 

		StatusPane()->PaneCapabilities( contextPaneUid );

	if ( subPaneContext.IsPresent() && subPaneContext.IsAppOwned() )

		{

		CAknContextPane* context = static_cast< CAknContextPane* > ( 

			StatusPane()->ControlL( contextPaneUid ) );

		context->SetPictureToDefaultL();

		}

	// setup the title pane

	HBufC* text = iFsEmailSettingsList->CreateTitlePaneTextLC();

	iAppUi.SetTitlePaneTextL( *text );

	CleanupStack::PopAndDestroy( text );