/*

* 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:  email framework user interface

*

*/

#include "emailtrace.h"

#include "cfsmailclient.h"

#include "cfsfwimplementation.h"

#include "cfsmailpluginmanager.h"

#include "cfsmailrequestobserver.h"

#include "cfsmailiterator.h"

#include "cfsmailbrandmanagerimpl.h"

// ================= MEMBER FUNCTIONS ==========================================

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

// CFSMailClient::NewLC

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

EXPORT_C CFSMailClient* CFSMailClient::NewLC(TInt aConfiguration)

{

    FUNC_LOG;

    CFSMailClient* client = Instance();

    if( !client )

        {

        client = new (ELeave) CFSMailClient();

        // The new client needs to be deleted rather than closed, up until

        // the TLS has been set properly.

        CleanupStack::PushL( client );

        client->ConstructL( aConfiguration );

        TInt err = Dll::SetTls( static_cast<TAny*>( client ));

        User::LeaveIfError( err );

        // Now that the TLS has been set, we no longer want the new client

        // to be deleted if there's a problem, so pop it off the cleanup

        // stack (it will be pushed back on for closing below).

        CleanupStack::Pop( client );

        }

    // Increment reference count before calling CleanupClosePushL so that

    // the reference count is correct if CleanupClosePushL leaves.

    client->IncReferenceCount();

    CleanupClosePushL( *client );

    return client;

} 

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

// CFSMailClient::NewL

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

EXPORT_C CFSMailClient* CFSMailClient::NewL()

{

    FUNC_LOG;

  CFSMailClient* client =  CFSMailClient::NewLC(EFSLoadPlugins);

  CleanupStack:: Pop(client);

  return client;

}

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

// CFSMailClient::NewL

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

EXPORT_C CFSMailClient* CFSMailClient::NewL(TInt aConfiguration)

{

    FUNC_LOG;

  CFSMailClient* client =  CFSMailClient::NewLC(aConfiguration);

  CleanupStack:: Pop(client);

  return client;

}

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

// CFSMailClient::ConstructL

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

void CFSMailClient::ConstructL(TInt aConfiguration)

{

    FUNC_LOG;

	iFWImplementation = CFSFWImplementation::NewL(aConfiguration);

}

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

// CFSMailClient::CFSMailClient

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

CFSMailClient::CFSMailClient()

{

    FUNC_LOG;

	// clear pointers

	iFWImplementation = NULL;

	iBrandManager = NULL;

}

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

// CFSMailClient::~CFSMailClient

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

EXPORT_C CFSMailClient::~CFSMailClient()

{

    FUNC_LOG;

	if(iBrandManager)

		{

		delete iBrandManager;

		}

	Close();

}

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

// CFSMailClient::GetMailBoxByUidL

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

EXPORT_C CFSMailBox* CFSMailClient::GetMailBoxByUidL(const TFSMailMsgId aMailBoxId)

    {

    FUNC_LOG;

	// select plugin

	CFSMailBox* mailBox = NULL;

	CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aMailBoxId);

	if(plugin)

	    {

		// get mailbox from plugin

		mailBox = plugin->GetMailBoxByUidL(aMailBoxId);

	    }

	else

	    {

        plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aMailBoxId);

        if(plugin)

            {

            // get mailbox from plugin

            mailBox = plugin->GetMailBoxByUidL(aMailBoxId);

            }

	    }

	return mailBox;

    }

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

// CFSMailClient::GetMailBoxByUidLC

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

EXPORT_C CFSMailBox* CFSMailClient::GetMailBoxByUidLC(const TFSMailMsgId aMailBoxId)

{

    FUNC_LOG;

    CFSMailBox* mailBox = GetMailBoxByUidL( aMailBoxId );

    CleanupStack::PushL( mailBox );

    return mailBox;

}

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

// CFSMailClient::GetFolderByUidL

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

EXPORT_C CFSMailFolder* CFSMailClient::GetFolderByUidL( const TFSMailMsgId aMailBoxId,

													   const TFSMailMsgId aFolderId )

{

    FUNC_LOG;

	CFSMailFolder* folder = NULL;

	// select plugin

	CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aFolderId);

	if(plugin)

	{

		// get folder from plugin

		folder = plugin->GetFolderByUidL( aMailBoxId, aFolderId );

	}

	return folder;

}

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

// CFSMailClient::GetMessageByUidL

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

EXPORT_C CFSMailMessage* CFSMailClient::GetMessageByUidL( const TFSMailMsgId aMailBoxId,

														 const TFSMailMsgId aFolderId,

														 const TFSMailMsgId aMessageId,

														 const TFSMailDetails aDetails)

{

    FUNC_LOG;

	CFSMailMessage* message = NULL;

    // select plugin

    CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aMessageId);

	if(plugin)

	{

	    // get message from plugin

    	message = plugin->GetMessageByUidL( aMailBoxId, aFolderId, aMessageId, aDetails );

	}

    return message;

}

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

// CFSMailClient::DeleteMessagesByUidL

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

EXPORT_C void CFSMailClient::DeleteMessagesByUidL( const TFSMailMsgId aMailBoxId,

												   const TFSMailMsgId aFolderId,

											 	   const RArray<TFSMailMsgId>& aMessages )

{

    FUNC_LOG;

	CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aFolderId);

	if(plugin)

	{

		plugin->DeleteMessagesByUidL(aMailBoxId,aFolderId,aMessages);

	}

}

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

// CFSMailClient::DeleteMailBoxByUidL

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

EXPORT_C TInt CFSMailClient::DeleteMailBoxByUidL( const TFSMailMsgId aMailBoxId,

 								  MFSMailRequestObserver& aOperationObserver )

{

    FUNC_LOG;

	// select plugin

	CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aMailBoxId);

	if(plugin)

	{

		// init asynchronous request

		TFSPendingRequest request = iFWImplementation->GetPluginManager().InitAsyncRequestL(  aMailBoxId.PluginId(),

																		aOperationObserver );

		TRAPD(err, plugin->DeleteMailBoxByUidL(aMailBoxId,*request.iObserver,request.iRequestId));

	    if(err != KErrNone)

		{

			iFWImplementation->GetPluginManager().CompleteRequest(request.iRequestId);	

		}

	    return request.iRequestId;

	}

	return 0;

}

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

// CFSMailClient::ListMailBoxes

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

EXPORT_C TInt CFSMailClient::ListMailBoxes(const TFSMailMsgId aPlugin,

											 RPointerArray<CFSMailBox>& aMailBoxes)

{

    FUNC_LOG;

	RArray<TFSMailMsgId> mailBoxList;

	mailBoxList.Reset();

	TInt ret = KErrNone;

    // <cmail>	

	CFSMailBox *mailBox = NULL;	

    // </cmail>	

	if(aPlugin.IsNullId())

	{

		for(TInt i=0;i<iFWImplementation->GetPluginManager().GetPluginCount();i++)

		{

			CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByIndex(i);	

			TRAPD(err,plugin->ListMailBoxesL(mailBoxList));

			if(err == KErrNone)

			{

				for(TInt ii=0;ii < mailBoxList.Count(); ii++)

				{

				// <cmail>

				    mailBox = NULL;

				    TRAP_IGNORE(

                        mailBox = plugin->GetMailBoxByUidL(mailBoxList[ii]) );

				    if ( mailBox )

    				    {

                        aMailBoxes.Append( mailBox );

                        }

				// </cmail>

					if(err != KErrNone)

					{

						ret = err;

					}

				}

			}

			else

			{

				ret = err;

			}

			mailBoxList.Reset();

		}

	}

	else

	{

		CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aPlugin);		

		// <cmail>

		TInt err(KErrNone);

		if ( plugin )

		    {

	        TRAP(err,plugin->ListMailBoxesL(mailBoxList));		    

		    }

		else

		    {

		    err = KErrNotFound;

		    }

        // </cmail>		

		if (err == KErrNone)

		    {

			for(TInt i=0;i < mailBoxList.Count(); i++)

			    {			    

                // <cmail>

                    mailBox = NULL;

				    TRAP_IGNORE(

                        mailBox = plugin->GetMailBoxByUidL(mailBoxList[i]) );

                    if ( mailBox )

                        {

                        aMailBoxes.Append( mailBox );

                        }

                // </cmail>				

				if(err != KErrNone)

				    {

					ret = err;

				    }

			    }

		    }

		else

		    {

			ret = err;

		    }

		mailBoxList.Reset();			

	}

	mailBoxList.Reset();

	return ret;

}

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

// CFSMailClient::ListMessages

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

EXPORT_C MFSMailIterator* CFSMailClient::ListMessages(const TFSMailMsgId aMailBoxId,

        						const TFSMailMsgId aFolderId, const TFSMailDetails aDetails,

        						const RArray<TFSMailSortCriteria>& aSorting)

{

    FUNC_LOG;

	MFSMailIterator* iterator = NULL;

	MFSMailIterator* pluginIterator = NULL;

	// select plugin

	if(CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aFolderId))

	{

		// get message list iterator from plugin

		TRAPD(err, pluginIterator = plugin->ListMessagesL(aMailBoxId,aFolderId,aDetails,aSorting));

		if(err == KErrNone && pluginIterator)

		{

			TRAPD(err,iterator = CFSMailIterator::NewL(*pluginIterator,&iFWImplementation->GetPluginManager()));

			if(err == KErrNone)

			{

				return iterator;				

			}

		}

	}

	return iterator;

}

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

// CFSMailClient::GetBrandManagerL

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

EXPORT_C MFSMailBrandManager& CFSMailClient::GetBrandManagerL( void )

{

    FUNC_LOG;

	if(iBrandManager == NULL)

		{

		TRAPD( creationError,

		       iBrandManager = CFSMailBrandManagerImpl::NewL( *this ) );

		if ( creationError != KErrNone )

		    {

		    User::Leave( creationError );

		    }

		}

 	return *iBrandManager;

}

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

// CFSMailClient::AddObserverL

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

EXPORT_C void CFSMailClient::AddObserverL(MFSMailEventObserver& aObserver)

{

    FUNC_LOG;

	for(TInt i=0;i<iFWImplementation->GetPluginManager().GetPluginCount();i++)

		{

		CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByIndex(i);

		if(plugin)

			{

			plugin->AddObserverL(aObserver);			

			}

		}

}

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

// CFSMailClient::RemoveObserver

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

EXPORT_C void CFSMailClient::RemoveObserver(MFSMailEventObserver& aObserver)

{

    FUNC_LOG;

	for(TInt i=0;i<iFWImplementation->GetPluginManager().GetPluginCount();i++)

	{

		CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByIndex(i);

		if(plugin)

		{

		plugin->RemoveObserver(aObserver);			

		}

	}

}

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

// CFSMailClient::UnregisterRequestObserver

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

EXPORT_C void CFSMailClient::UnregisterRequestObserver(TInt aRequestId)

{

    FUNC_LOG;

	for(TInt i=0;i<iFWImplementation->GetPluginManager().GetPluginCount();i++)

	{

		if(CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByIndex(i))

			{

			plugin->UnregisterRequestObserver(aRequestId);

			iFWImplementation->GetPluginManager().CompleteRequest(aRequestId);

			}

	}

}

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

// CFSMailClient::SubscribeMailboxEventsL

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

EXPORT_C void CFSMailClient::SubscribeMailboxEventsL(TFSMailMsgId aMailBoxId,

													 	MFSMailEventObserver& aObserver)

	{

    FUNC_LOG;

	// select plugin

	if(CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aMailBoxId))

		{

		// set observer

		plugin->SubscribeMailboxEventsL( aMailBoxId, aObserver );

		}

	}

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

// CFSMailClient::UnsubscribeMailboxEvents

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

EXPORT_C void CFSMailClient::UnsubscribeMailboxEvents(TFSMailMsgId aMailBoxId,

														MFSMailEventObserver& aObserver)

	{

    FUNC_LOG;

	// select plugin

	if(CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByUid(aMailBoxId))

		{

		// set observer

		plugin->UnsubscribeMailboxEvents( aMailBoxId, aObserver );

		}

	}

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

// CFSMailClient::WizardDataAvailableL

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

EXPORT_C TInt CFSMailClient::WizardDataAvailableL()

	{

    FUNC_LOG;

	TInt ret = KErrNone;

	for(TInt i=0;i<iFWImplementation->GetPluginManager().GetPluginCount();i++)

	{

		if(CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByIndex(i))

			{

			TInt rcode = plugin->WizardDataAvailableL( );

			if(rcode != KErrNone)		

				{

				ret = KErrGeneral;			

				}

			}

		else

			{

			ret = KErrGeneral;

			}

	}

	return ret;

	}

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

// CFSMailClient::AuthenticateL

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

EXPORT_C TInt CFSMailClient::AuthenticateL(MFSMailRequestObserver& aOperationObserver)

	{

    FUNC_LOG;

	TInt requestId(0);

	for(TInt i=0;i<iFWImplementation->GetPluginManager().GetPluginCount();i++)

	{

		if(CFSMailPlugin* plugin = iFWImplementation->GetPluginManager().GetPluginByIndex(i))

		{

		    // get async request id

		    TUid id = iFWImplementation->GetPluginManager().GetPluginIdByIndex(i);

    		TFSPendingRequest request = iFWImplementation->GetPluginManager().InitAsyncRequestL(	id,	aOperationObserver);

    		// send authentication requests

			requestId = request.iRequestId;

			TRAPD(err,plugin->AuthenticateL( *request.iObserver, requestId ));			

			if(err != KErrNone)

			{

				iFWImplementation->GetPluginManager().CompleteRequest(requestId);

			}

		}

	}

	return requestId;