/*

* Copyright (c) 2007 - 2009 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>

#include <featmgr.h>

#include <aknstyluspopupmenu.h>

#include "cfsmailcommon.h"

#include "cfsmailbox.h"

#include "esmailsettingsplugin.h"

#include "esmailsettingspluginuids.hrh"

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

#include <csxhelp/cmail.hlp.hrh>

// 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 ),

      iMailboxSettings( EFalse )

	{

    FUNC_LOG;

	iFsEmailSettingsList = NULL;

	}

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

// ~CFsEmailSettingsListView

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

//

CFsEmailSettingsListView::~CFsEmailSettingsListView()

	{

    FUNC_LOG;

   	if ( iAsyncCallback )

		{

		iAsyncCallback->Cancel();

		delete iAsyncCallback;

		}

   	if ( iStylusPopUpMenu )

   		{

   		delete iStylusPopUpMenu;

   		iStylusPopUpMenu = NULL;

   		}

   	delete iCoeControl;

	}

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

// 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::DisplayStylusPopUpMenu()

// Displays the pop-up menu.

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

//

void CFsEmailSettingsListView::DisplayStylusPopUpMenu( const TPoint& aPosition )

	{

    if ( iStylusPopUpMenu )

    	{

    	iStylusPopUpMenu->SetPosition( aPosition, CAknStylusPopUpMenu::EPositionTypeLeftBottom );

    	iStylusPopUpMenu->ShowMenu();

    	}

	}

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

// CFsEmailSettingsListView::HideStylusPopUpMenu()

// Hides the pop-up menu.

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

//

void CFsEmailSettingsListView::HideStylusPopUpMenu()

    {

    if ( iStylusPopUpMenu )

        {

        TRAP_IGNORE( iStylusPopUpMenu->HandleControlEventL( iCoeControl,

                        MCoeControlObserver::EEventRequestExit ) );

        }

    }

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

// 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();

    }

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

// CFsEmailSettingsListView::Id()

// From CAknView.

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

//

TUid CFsEmailSettingsListView::Id() const

	{

    FUNC_LOG;

	return SettingsViewId;

	}

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

// CFsEmailSettingsListView::HandleCommandL()

// From CAknView.

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

//

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:

		case EFsEmailUiCmdDeleteSelectedMailbox: // From the pop-up menu.

			{

			iFsEmailSettingsList->RemoveAccountL();

			iFsEmailSettingsList->ClearFocus();

			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;

        	}

        case KErrCancel:

        	{

        	if ( iFsEmailSettingsList )

        	    {

                // The pop-up menu was cancelled.

                iFsEmailSettingsList->ClearFocus();

        	    }

        	break;

        	}

		default:

			{

			break;

			}

		} // switch ( aCommand )

	}

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

// CFsEmailSettingsListView::ChildDoActivateL()

// From CFsEmailUiViewBase.

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

//

void CFsEmailSettingsListView::ChildDoActivateL(

        const TVwsViewId& aPrevViewId,

        TUid aCustomMessageId,

        const TDesC8& aCustomMessage )

	{

    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();

    if ( !iCoeControl )

        {

        // dymmy control for closing stylus pop up menu

        iCoeControl = new( ELeave )CCoeControl;

        }

    if( !iStylusPopUpMenu )

        {

        // Construct the long tap pop-up menu.

        TPoint point( 0, 0 );

        iStylusPopUpMenu = CAknStylusPopUpMenu::NewL( this , point );

		TResourceReader reader;

		iCoeEnv->CreateResourceReaderLC( reader,

			R_STYLUS_POPUP_MENU_LAUNCHER_GRID_VIEW );

		iStylusPopUpMenu->ConstructFromResourceL( reader );

		CleanupStack::PopAndDestroy(); // reader

        }

	// 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;

		}