/*

* Copyright (c) 2010 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:

*

*/

#include <QFileInfo>

#include <QVariantHash>

#include "hswallpaperloader.h"

#include "hswallpaperloaderthread.h"

/*!

    \class HsWallpaperLoader

    \ingroup group_hsdomainmodel

    \brief 

*/

/*!

*/

HsWallpaperLoader::HsWallpaperLoader(QObject *parent)

  : QObject(parent),

    mIsRunning(false),

    mNumberOfFinishedThreads(0)

{

}

/*!

*/

HsWallpaperLoader::~HsWallpaperLoader()

{

}

/*!

*/

void HsWallpaperLoader::start()

{

    if (mTargets.isEmpty()) {

        emit finished();

        return;

    }

    mNumberOfFinishedThreads = 0;

    HsWallpaperLoaderThread *thread = 0;

    QHashIterator<QString, QVariant> i(mTargets);

    while (i.hasNext()) {

        i.next();

        thread = new HsWallpaperLoaderThread;

        mThreads.append(thread);

        thread->setSourcePath(mSourcePath);

        thread->setTargetPath(i.key());

        thread->setTargetSize(i.value().toSize());

        connect(thread, SIGNAL(finished()), SLOT(onThreadFinished()));

        thread->start();

    }

    mIsRunning = true;

}

/*!

*/

void HsWallpaperLoader::cancel()

{

    foreach (QThread *thread, mThreads) {

        thread->disconnect(this);

        thread->wait();

    }

    cleanup();

}

/*!

*/

void HsWallpaperLoader::onThreadFinished()

{

    ++mNumberOfFinishedThreads;

    if (mNumberOfFinishedThreads == mThreads.count()) {

        bool ok = true;

        foreach (HsWallpaperLoaderThread *thread, mThreads) {

            if (!thread->result()) {

                ok = false;

                break;

            }

        }

        if (ok) {

            emit finished();

        } else {            

            emit failed();

        }

        cleanup();

    }

}

/*!

*/

void HsWallpaperLoader::cleanup()

{

    mIsRunning = false;

    mNumberOfFinishedThreads = 0;

    qDeleteAll(mThreads);

    mThreads.clear();

}