/*

 * Copyright (c) 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:

 * Handles saving and opening activites.

 *

 */

#include "msgactivityhandler.h"

#include "msgviewmanager.h"

#include "msgbaseview.h"

#include "msgmainwindow.h"

#include <QVariantHash>

#include <afactivitystorage.h>

const int INVALID_MSGID = -1;

// Activity Names 

const QString ListViewActivityName("MsgConversationsList");

const QString EditorActivityName("MsgCreate");

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

// MsgActivityHandler::MsgActivityHandler

// Constructor

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

MsgActivityHandler::MsgActivityHandler(QObject* parent):

    QObject(parent)

{

    mActivityStorage = new AfActivityStorage();

}

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

// MsgActivityHandler::MsgActivityHandler

// Destructor

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

MsgActivityHandler::~MsgActivityHandler()

{

   if (mActivityStorage) {

       delete mActivityStorage;

       mActivityStorage = NULL;

   }

}

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

// MsgActivityHandler::saveActivity

// @see header

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

void MsgActivityHandler::saveActivity()

{

     int currentView = mMainWindow->viewManager()->currentView();

     int msgId = INVALID_MSGID;

     if((currentView == MsgBaseView::CV) || (currentView== MsgBaseView::UNIEDITOR))

         {

         msgId = mMainWindow->viewManager()->saveContentToDraft();

         }

     // get a screenshot for saving to the activity manager

     QVariantHash metadata;

     metadata.insert("screenshot", 

             QPixmap::grabWidget(mMainWindow, mMainWindow->rect()));

     // save any data necessary to save the state

     QByteArray serializedActivity;

     QDataStream stream(&serializedActivity, 

             QIODevice::WriteOnly | QIODevice::Append);

    if( msgId != INVALID_MSGID)

        {

        stream << EditorActivityName;

        stream << msgId;

        // add the activity to the activity manager

        mActivityStorage->saveActivity(EditorActivityName, serializedActivity, metadata);

        }

    else

        {    

        stream << ListViewActivityName;

        // add the activity to the activity manager

        mActivityStorage->saveActivity(ListViewActivityName, serializedActivity, metadata);

        }

}

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

// MsgActivityHandler::parseActivityData

// @see header

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

int MsgActivityHandler::parseActivityData(const QVariant &activityData)

{

    QByteArray serializedModel = activityData.toByteArray();

    QDataStream stream(&serializedModel, QIODevice::ReadOnly);

    QString activityName;

    int msgId = INVALID_MSGID;

    stream >> activityName;

    if( activityName == EditorActivityName)

        {

        stream >> msgId;

        }

    return msgId;

}

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

// MsgActivityHandler::clearActivities

// @see header

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

void MsgActivityHandler::clearActivities()

{

    mActivityStorage->removeActivity(ListViewActivityName);

    mActivityStorage->removeActivity(EditorActivityName);

}

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

// MsgActivityHandler::setMainWindow

// @see header

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

void  MsgActivityHandler::setMainWindow(MsgMainWindow* mainWindow)

{

    mMainWindow = mainWindow;

}