/*

* 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:  Calendar state machine

*

*/

// includes

#include "calenviewingstate.h"

#include "calendarui_debug.h"           // Debug macros

#include "calencontroller.h"

#include "calenstatemachine.h"

#include "calennotifier.h"

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

// CCalenViewingState::NewLC

// First stage construction

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

CCalenViewingState* CCalenViewingState::NewLC( CCalenController& aController,

                                                   RHashSet<TCalenNotification>& aOutstandingNotifications )

    {

    TRACE_ENTRY_POINT;

    CCalenViewingState* self = new ( ELeave ) CCalenViewingState( aController,aOutstandingNotifications );

    CleanupStack::PushL( self );

    self->ConstructL();

    TRACE_EXIT_POINT;

    return self;

    }

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

// CCalenViewingState::ConstructL

// Second stage construction

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

void CCalenViewingState::ConstructL()

    {

    TRACE_ENTRY_POINT;

    BaseConstructL();

    TRACE_EXIT_POINT;

    }

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

// CCalenIdleState::CCalenIdleState

// C++ Constructor

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

CCalenViewingState::CCalenViewingState( CCalenController& aController,

                                                    RHashSet<TCalenNotification>& aOutstandingNotifications )

    : CCalenState( aController, aOutstandingNotifications )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenViewingState::CCalenViewingState

// Destructor

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

CCalenViewingState::~CCalenViewingState()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenViewingState::HandleCommandL

// From CCalenState

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

TBool CCalenViewingState::HandleCommandL( const TCalenCommand& aCommand,

                                        CCalenStateMachine& aStateMachine )

    {

    TRACE_ENTRY_POINT;

    TInt cmd = aCommand.Command();

    MCalenCommandHandler* handler = iController.GetCommandHandlerL( cmd );

    ASSERT( handler ); // FIXME: error ui

    TBool cmdUsed = EFalse;

    switch( cmd )

        {

        case ECalenEditCurrentEntry:

	    case ECalenEditOccurrence:

	    case ECalenEditSeries:

        case ECalenRestoreTodo:

        case ECalenCompleteTodo:

      		{

    		// set the previous state as viewing state

    		CCalenStateMachine::TCalenStateIndex cachedState = GetCurrentState(aStateMachine);

            SetCurrentState( aStateMachine, CCalenStateMachine::ECalenEditingState);

            SetCurrentPreviousState( aStateMachine, cachedState );

            ActivateCurrentStateL(aStateMachine);

            cmdUsed = ETrue;

    		}

    		break;	    

		case ECalenSend:

			{

			// set the previous state as viewing state

    		CCalenStateMachine::TCalenStateIndex cachedState = GetCurrentState(aStateMachine);

            SetCurrentState( aStateMachine, CCalenStateMachine::ECalenSendingState);

            SetCurrentPreviousState( aStateMachine, cachedState );

            ActivateCurrentStateL(aStateMachine);

            cmdUsed = ETrue;

			}

			break;	    		

        case ECalenDeleteCurrentEntry:

        case ECalenDeleteSeries:

        case ECalenDeleteCurrentOccurrence:

    		{    

			// set the previous state as viewing state

            CCalenStateMachine::TCalenStateIndex cachedState = GetCurrentState(aStateMachine);

            SetCurrentState( aStateMachine, CCalenStateMachine::ECalenDeletingState);

            SetCurrentPreviousState( aStateMachine, cachedState );

            ActivateCurrentStateL(aStateMachine);

            cmdUsed = ETrue;

        	}

            break;

        case ECalenFasterAppExit:

        	{

	        SetCurrentState( aStateMachine, CCalenStateMachine::ECalenIdleState );

	        ActivateCurrentStateL(aStateMachine);

        	cmdUsed = ETrue;

        	}

			break;

		case ECalenGetLocation:

    	case ECalenShowLocation:

        case ECalenGetLocationAndSave:

    		{

    		CCalenStateMachine::TCalenStateIndex cachedState = GetCurrentState(aStateMachine);

	        SetCurrentState( aStateMachine, CCalenStateMachine::ECalenMapState );

	        SetCurrentPreviousState( aStateMachine, cachedState );

	        ActivateCurrentStateL(aStateMachine);        

	        cmdUsed = ETrue;

	        break;	

    		}

        case ECalenViewAttachmentList:

        case ECalenAddAttachmentFromViewer:    

            {

            CCalenStateMachine::TCalenStateIndex cachedState = GetCurrentState(aStateMachine);

            SetCurrentState( aStateMachine, CCalenStateMachine::ECalenAttachmentState );

            SetCurrentPreviousState( aStateMachine, cachedState );

            ActivateCurrentStateL(aStateMachine);        

            cmdUsed = ETrue;

            }

            break;    		

        }

    RequestCallbackL( handler, aCommand );

    TRACE_EXIT_POINT;

    return cmdUsed;

    }

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

// CCalenViewingState::HandleNotificationL

// From CCalenState

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

void CCalenViewingState::HandleNotificationL(const TCalenNotification& aNotification,

                                              CCalenStateMachine& aStateMachine )

    {

    TRACE_ENTRY_POINT;

    switch( aNotification )

        {

        case ECalenNotifyEntryClosed:

        	{

        	SetCurrentState( aStateMachine, iPreviousState );

            iOutstandingNotifications.InsertL(aNotification);

            ActivateCurrentStateL(aStateMachine);

        	}

	        break;

        case ECalenNotifyEntryDeleted:

        	{

        	SetCurrentState( aStateMachine, iPreviousState );

        	iOutstandingNotifications.InsertL(aNotification);

            ActivateCurrentStateL(aStateMachine);

       		}

       		break;

        default:

            CCalenState::HandleNotificationL( aNotification, aStateMachine );

            break;

        }

    TRACE_EXIT_POINT;

    } 

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

// CCalenViewingState::HandleStateActivationL

// Behavior when state is activated.

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

void CCalenViewingState::HandleStateActivationL(CCalenStateMachine& aStateMachine)

    {

    TRACE_ENTRY_POINT;

    if( iOutstandingNotifications.Find(ECalenNotifyEntryDeleted) )

    	{

    	SetCurrentState( aStateMachine, iPreviousState );

        ActivateCurrentStateL(aStateMachine);

    	}

    else 

    	{

    	CCalenState::HandleStateActivationL(aStateMachine);

    	}

    TRACE_EXIT_POINT;

    }    

 // end of file