/*

* 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 controller

*

*/

#include "calencontroller.h"            // CCalenController

#include "calenservicesimpl.h"          // MCalenServices implementation

#include "calencustomisationmanager.h"  // Customisation Manager

#include "calenstatemachine.h"

const TInt KCustomCommandRangeStart     = ECalenLastCommand; 

const TInt KNumberOfCommandsPerServices = 100;

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

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

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

//

    TRACE_ENTRY_POINT;

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

// CCalenController::InstanceL

// Returns a pointer to the single instance of the Calendar Controller.

// Leaves with KErrNotReady if the controller has not already been created

// using NewL.  A leave here means that the Calendar application is not running

// but someone is trying to use the services API.

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

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

//

    {

    TRACE_ENTRY_POINT;

    CCalenController* self = NULL;

    TAny* tlsPtr = Dll::Tls();

    // Check Thread local storage

    if( !tlsPtr )

        {

        // The Controller has not yet been constructed.  Someone is probably

        // trying to use the Services API outside of a customisation

        // plugin.  We don't allow that.

        User::Leave( KErrNotReady );

        }

    else

        {

        self = static_cast<CCalenController*>( tlsPtr );

        }

    ++self->iRefCount;

    TRACE_EXIT_POINT;

    }

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

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

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

//

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenController::~CCalenController

// Private destructor, called from Release() when reference count is 0.

// Frees all resources.

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

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

//

CCalenController::~CCalenController()

    {

    TRACE_ENTRY_POINT;

    if ( iServices )

        {

        iServices->Release();

        }

    delete iActionUi;

    delete iViewManager;

    delete iCustomisationManager;

    TRACE_EXIT_POINT;

    }

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

// CCalenController::IssueCommmandL

// Adds the passed command to the comand queue. Commands are handled

// asynchronously in HandleCommandL

// Returns EFalse if the passed command is not in the issuers command range

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

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

//

    {

    TRACE_ENTRY_POINT;

    TCalenCommand cmd;

    TBool ret = iStateMachine->HandleCommandL( cmd );

    TRACE_EXIT_POINT;

    return ret;

    }

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

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

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

//

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// Registers the passed notification handler with the Calendar Notifier

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

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

//

                                                            TCalenNotification aNotification )

    {

    TRACE_ENTRY_POINT;

    iNotifier->RegisterForNotificationsL( aHandler, aNotification );

    TRACE_EXIT_POINT;

    }

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

// Registers the passed notification handler with the Calendar Notifier

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

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

//

                                                            RArray<TCalenNotification>& aNotifications )

    {

    TRACE_ENTRY_POINT;

    iNotifier->RegisterForNotificationsL( aHandler, aNotifications );

    TRACE_EXIT_POINT;

    }

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

// Removes the passed handler from the notifier.

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

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

//

    {

    TRACE_ENTRY_POINT;

    iNotifier->CancelNotifications( aHandler );

    TRACE_EXIT_POINT;

    }

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

// Searches for a command handler for a particular command.  Customisations

// are searched first.  If no customisation wants to handle the command it is

// handled by the view manager or the action uis

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

MCalenCommandHandler* CCalenController::GetCommandHandlerL( TInt aCommand )

    {

    TRACE_ENTRY_POINT;

    MCalenCommandHandler* handler( NULL );

    // Stop non-published commands from being customised

    if ( aCommand != ECalenShowSettings

        && aCommand != ECalenSwitchView )

        {

        // See if a plugin wants the command

        handler = iCustomisationManager->GetCommandHandlerL( aCommand );

        }

    // See if the view manager wants the command

        {

            && aCommand < ECalenEditCommandBase )

            {

            handler = iViewManager;

            }

	    	{

	    	} 

        else 

            {

            }

        }

    // No command handler is an error  

    // return the handler

    TRACE_EXIT_POINT;

    return handler;

    }

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

// Factory function for creating new MCalenServices objects

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

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

//

    {

    TRACE_ENTRY_POINT;

    TInt commandRangeStart = iNextServicesCommandBase;

    TInt commandRangeEnd = commandRangeStart + KNumberOfCommandsPerServices;

    iNextServicesCommandBase = commandRangeEnd + 1;

    TRACE_EXIT_POINT;

    return svc;

    }

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

// CCalenController::Notifier

// Returns the notifier.

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

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

//

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return *iNotifier;

    }

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

// CCalenController::Infobar

// Descriptor passed to plugins to get customised info bar text.

// Acts as a conduit between the services and the customisation manager.

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

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

//

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return iCustomisationManager->Infobar();

    }

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

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

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

//

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenController::CustomisationManager

// Returns a reference to the customisation manager

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

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

//

CCalenCustomisationManager& CCalenController::CustomisationManager()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return *iCustomisationManager;

    }

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

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

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

    {

    TRACE_EXIT_POINT;

    }

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

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

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

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

//