/*

* Copyright (c) 2006,2007 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:   Provides UniEditor Object Model Observer methods.

*

*/

// Symbian OS

#include <e32std.h>

// Symbian OS Messaging

#include <msvapi.h>                 // MTM server API

// Base editor

#include <MsgAttachmentUtils.h>

// Uni Engine

#include "UniClientMtm.h"              // Client Mtm API

// UniModel

#include <unismilmodel.h>           // SMIL api

#include <uniobject.h>

// UniUtils

#include <uniobjectsmodel.h>        // Objects view model part

#include <uniobjectsinfo.h>         // Objects view attachment info class

// Uni Editor

#include "UniEditorAppUi.h"         // UniEditorAppUi class

#include "UniEditorObjectsModelObserver.h" // CUniEditorObjectsModelObserver

#include "UniEditorDocument.h"      // UniEditorDocument class

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

// CUniEditorObjectsModelObserver::CUniEditorObjectsModelObserver

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

//

CUniEditorObjectsModelObserver::CUniEditorObjectsModelObserver( CUniEditorDocument& aDocument,

                                                                CUniEditorAppUi& aAppUi ) :

    iDocument( aDocument ),

    iAppUi( aAppUi )

    {

    }

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

// CUniEditorObjectsModelObserver::~CUniEditorObjectsModelObserver

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

//

CUniEditorObjectsModelObserver::~CUniEditorObjectsModelObserver()

    {

    }

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

// CUniEditorObjectsModelObserver::NotifyChanges

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

//

void CUniEditorObjectsModelObserver::NotifyChanges ( TMsgAttachmentCommand /* aCommand */, 

                                                     CMsgAttachmentInfo* /* aAttachmentInfo*/ )

    {

    // this shouldn't be called in unieditor but just in case.

    }

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

// CUniEditorObjectsModelObserver::NotifyChangesL

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

//

void CUniEditorObjectsModelObserver::NotifyChangesL ( TMsgAttachmentCommand aCommand, 

                                                      CMsgAttachmentInfo* aAttachmentInfo )

    {

    CUniEditorDocument* editorDoc = static_cast<CUniEditorDocument*>( &iDocument );

    CUniSmilModel& smilModel = editorDoc->DataModel()->SmilModel();

    CUniObjectsInfo* objInfo = static_cast<CUniObjectsInfo*>( aAttachmentInfo );

    switch (aCommand)

        {

        case EMsgAttachmentRemoved:

            {

            CUniObject* obj = static_cast<CUniObject*>( objInfo->Object() );

            if ( objInfo->AttachmentObject() )

                {

                editorDoc->DeleteAttachmentL( objInfo->SlideNumber(), obj, ETrue );

                editorDoc->SetHeaderModified( ETrue );

                }

            else

                {

                TUniLayout layout = smilModel.Layout();

                // Store the region type

                TUniRegion region = obj->Region();

                if ( obj &&

                     obj->MediaType() == EMsgMediaImage )

                    {

                    iAppUi.ReleaseImage( ETrue );

                    }

                // Only call AppUI to remove object if it is located on the

                // current slide.

                if ( editorDoc->CurrentSlide() == objInfo->SlideNumber() )

                    {

                    iAppUi.RemoveObjectL( region, layout );

                    }

                editorDoc->SetBodyModified( ETrue );

                }

            }

            break;

        default:

            // Enum out of bounds

            User::Leave( KErrArgument );

            break;

        }

    }

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

// CUniEditorObjectsModelObserver::GetAttachmentFileL

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

//

RFile CUniEditorObjectsModelObserver::GetAttachmentFileL( TMsvAttachmentId aId )

    {

    return iDocument.GetAttachmentFileL( aId );

    }

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

// CUniEditorObjectsModelObserver::NotifyOrderChangeL

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

//

void CUniEditorObjectsModelObserver::NotifyOrderChangeL ( TUniLayout aLayout )

    {

    CUniEditorDocument* editorDoc = static_cast<CUniEditorDocument*>(&iDocument );

    CUniSmilModel& smilModel = editorDoc->DataModel()->SmilModel();

    // Item was moved first -> Layout changes

    iAppUi.ChangeOrderL( aLayout );

    smilModel.SetLayoutL( aLayout );

    editorDoc->SetBodyModified( ETrue );

    }

// End of File