/*

* 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:  Calendar state machine

*

*/

// includes

#include "calendarui_debug.h"           // Debug macros

#include "calenstatemachine.h"

#include "calenstate.h"

#include "calenidlestate.h"

#include "calenpopulationstate.h"

#include "calendeletingstate.h"

#include "calenbackgroundstate.h"

#include "caleneditingstate.h"

#include "calenexitingstate.h"

#include "calenhelpstate.h"

#include "calenprintingstate.h"

#include "calensendingstate.h"

#include "calensettingsstate.h"

#include "calenviewingstate.h"

const TInt KHashLength = 64;

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

// CCalenStateMachine::NewL

// Two phased constructor.

// (other items were commented in a header).

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

//

CCalenStateMachine* CCalenStateMachine::NewL( CCalenController& aController )

    {

    TRACE_ENTRY_POINT;

    CCalenStateMachine* self = new ( ELeave ) CCalenStateMachine( aController );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    TRACE_EXIT_POINT;

    return self;

    }

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

// CCalenStateMachine::CCalenStateMachine

// Constructor.

// (other items were commented in a header).

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

//      

CCalenStateMachine::CCalenStateMachine( CCalenController& aController )

    : iController( aController ) , 

      iOutstandingNotifications(&::HashCalenNotificationFunction,&::HashCalenNotificationIdentityRelation)

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenStateMachine::ConstructL

// Second phase of construction.

// (other items were commented in a header).

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

//        

void CCalenStateMachine::ConstructL()

    {

    TRACE_ENTRY_POINT;

    CCalenState* state = NULL;

    iOutstandingNotifications.ReserveL(KHashLength);

    state = CCalenIdleState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenIdleState );

    CleanupStack::Pop( state );

    state = CCalenPopulationState::NewLC( iController, iOutstandingNotifications);

    iStates.InsertL( state, ECalenPopulationState );

    CleanupStack::Pop( state );

    state = CCalenBackgroundState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenBackgroundState );

    CleanupStack::Pop( state );

    state = CCalenViewingState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenViewingState );

    CleanupStack::Pop( state );

    state = CCalenEditingState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenEditingState );

    CleanupStack::Pop( state );

    state = CCalenDeletingState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenDeletingState );

    CleanupStack::Pop( state );

    state = CCalenPrintingState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenPrintingState );

    CleanupStack::Pop( state );

    state = CCalenSendingState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenSendingState );

    CleanupStack::Pop( state );

    state = CCalenSettingsState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenSettingsState );

    CleanupStack::Pop( state );

    state = CCalenHelpState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenHelpState );

    CleanupStack::Pop( state );

    state = CCalenExitingState::NewLC( iController, iOutstandingNotifications );

    iStates.InsertL( state, ECalenExitingState );

    CleanupStack::Pop( state );

    ASSERT( iStates.Count() == KCalenLastState );

    TRACE_EXIT_POINT;

    }

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

// CCalenStateMachine::~CCalenStateMachine

// Destructor.

// (other items were commented in a header).

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

//

CCalenStateMachine::~CCalenStateMachine()

    {

    TRACE_ENTRY_POINT;

    iOutstandingNotifications.Close();

    iStates.ResetAndDestroy();

    TRACE_EXIT_POINT;

    }     

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

// CCalenStateMachine::HandleNotification

// Notification handler interface.

// (other items were commented in a header).

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

//

void CCalenStateMachine::HandleNotification(const TCalenNotification aNotification )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenStateMachine::CurrentState

// Returns the current state in which calendar is.

// (other items were commented in a header).

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

//

CCalenStateMachine::TCalenStateIndex CCalenStateMachine::CurrentState()

{

	return iCurrentState;

}

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

// CCalenStateMachine::HandleCommandL

// Command handler interface.

// (other items were commented in a header).

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

//

TBool CCalenStateMachine::HandleCommandL( const TCalenCommand& aCommand )

    {

    TRACE_ENTRY_POINT;  

    TBool cmdUsed = iStates[iCurrentState]->HandleCommandL( aCommand, *this);

    TRACE_EXIT_POINT;

    return cmdUsed;

    }

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

// CCalenStateMachine::CancelPreviousCmd

// Interface to cancel the previous command

// (other items were commented in a header).

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

//

void CCalenStateMachine::CancelPreviousCmd()

	{

	TRACE_ENTRY_POINT;

	TCalenStateIndex previousState = iStates[iCurrentState]->PreviousState();

	iStates[iCurrentState]->CancelExecutingCmd();

	if(previousState != iCurrentState)

		{

		iCurrentState = previousState;

		}

	TRACE_EXIT_POINT;

	}

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

// CCalenStateMachine::GetCurrentState

// Interface to get the current state

// (other items were commented in a header).

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

//	

CCalenStateMachine::TCalenStateIndex CCalenStateMachine::GetCurrentState()

	{

	TRACE_ENTRY_POINT;

	TRACE_EXIT_POINT;

	return iCurrentState;

	}

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

// CCalenStateMachine::SetCurrentState

// Interface to set the current state

// (other items were commented in a header).

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

//		

void CCalenStateMachine::SetCurrentState(const TCalenStateIndex& aState)

	{

	TRACE_ENTRY_POINT;

	iCurrentState = aState;

	TRACE_EXIT_POINT;

	}

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

// CCalenStateMachine::SetPreviousState

// Interface to set previous state

// (other items were commented in a header).

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

//

void CCalenStateMachine::SetCurrentPreviousState(const TCalenStateIndex& aState)

	{

	TRACE_ENTRY_POINT;

	iStates[iCurrentState]->SetPreviousState(aState);

	TRACE_EXIT_POINT;

	}

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

// CCalenStateMachine::ActivateCurrentStateL

// Interface to activate the current state

// (other items were commented in a header).

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

//	

void CCalenStateMachine::ActivateCurrentStateL()

	{

	TRACE_ENTRY_POINT;

	iStates[iCurrentState]->HandleStateActivationL(*this);

	TRACE_EXIT_POINT;	

	}

// End of file