/*

* 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 <QDir>

#include <QFile>

#include <QVariantHash>

#include <QGraphicsLinearLayout>

#include <HbMainWindow>

#include <HbIconItem>

#include "hswallpaper.h"

#include "hsscene.h"

#include "hspage.h"

#include "hswallpaperloader.h"

#include "hsconfiguration.h"

#include "hsgui.h"

/*!

    \class HsWallpaper

    \ingroup group_hsdomainmodel

    \brief 

*/

/*!

*/

HsWallpaper::HsWallpaper(QGraphicsItem *parent)

  : HbWidget(parent),

    mId(-1),

    mIsDefaultImage(false),

    mIconItem(0),

    mLoader(0)

{

    setFlag(ItemHasNoContents);

    setSizePolicy(QSizePolicy::Ignored,QSizePolicy::Ignored);

    mLoader = new HsWallpaperLoader(this);

    connect(mLoader, SIGNAL(finished()), SLOT(onLoaderFinished()), Qt::UniqueConnection);

    connect(mLoader, SIGNAL(failed()), SLOT(onLoaderFailed()), Qt::UniqueConnection);

    mIconItem = new HbIconItem();

    QGraphicsLinearLayout *layout = new QGraphicsLinearLayout;

    layout->setContentsMargins(0, 0, 0, 0);

    layout->addItem(mIconItem);

    setLayout(layout);

    connect(HsGui::instance(),

        SIGNAL(orientationChanged(Qt::Orientation)),

        SLOT(updateIconItem(Qt::Orientation)));

}

/*!

*/

HsWallpaper::~HsWallpaper()

{

}

/*!

*/

void HsWallpaper::setImage(const QString &path)

{

    if (!path.isEmpty()) {

        if(mLoader->isRunning()) {

            mLoader->cancel();

        }

        mLoader->setSourcePath(path);

        mLoader->setTargets(createTargets(path));

        mLoader->start();

    } else {

        emit imageSetFailed();

    }

}

/*!

*/

void HsWallpaper::setDefaultImage()

{

    if (mIsDefaultImage) {

        return;

    }

    QDir dir(wallpaperDirectory());

    QStringList filters;

    filters << "default_portrait.*";

    filters << "default_landscape.*";

    QFileInfoList infos = dir.entryInfoList(

        filters, QDir::Files, QDir::Name | QDir::IgnoreCase);

    Q_ASSERT(infos.count() == 2);

    mIsDefaultImage = true;

    mLandscapeImagePath = infos.first().absoluteFilePath();

    mPortraitImagePath = infos.last().absoluteFilePath();

    updateIconItem(HsGui::instance()->orientation());

}

/*!

*/

void HsWallpaper::remove()

{

    if (mIsDefaultImage) {

        mIsDefaultImage = false;

    } else {

        QFile::remove(mPortraitImagePath);

        QFile::remove(mLandscapeImagePath);

    }

    mPortraitImagePath.clear();

    mLandscapeImagePath.clear();

}

/*!

*/

bool HsWallpaper::setExistingImage()

{

    QDir dir(wallpaperDirectory());

    QStringList filters;

    filters << QString("%1_portrait.*").arg(mId);

    filters << QString("%1_landscape.*").arg(mId);

    QFileInfoList infos = dir.entryInfoList(

        filters, QDir::Files, QDir::Name | QDir::IgnoreCase);

    Q_ASSERT(infos.isEmpty() || infos.count() == 2);

    if (infos.isEmpty()) {

        return false;

    }

    mIsDefaultImage = false;

    mLandscapeImagePath = infos.first().absoluteFilePath();

    mPortraitImagePath = infos.last().absoluteFilePath();

    updateIconItem(HsGui::instance()->orientation());

    return true;

}

QString HsWallpaper::rootDirectory() const

{

#ifdef Q_OS_SYMBIAN

    QString directory("c:/private/20022f35/wallpapers/");

#else

    QString directory(QDir::currentPath() + "/private/20022f35/wallpapers/");

#endif

#ifdef HSDOMAINMODEL_TEST

    directory = QDir::currentPath() + "/wallpapers/";

#endif

    return directory;

}

/*!

*/

void HsWallpaper::onLoaderFinished()

{

    if (mIsDefaultImage) {

        mIsDefaultImage = false;

    } else {

        QFile::remove(mPortraitImagePath);

        QFile::remove(mLandscapeImagePath);

    }

    foreach (QString path, mLoader->targets().keys()) {

        QString newName = path; newName.remove("temp");

        QFile::rename(path, newName);

    }

    setExistingImage();

    emit imageSet();

}

/*!

*/

void HsWallpaper::onLoaderFailed()

{

    foreach (QString path, mLoader->targets().keys()) {

        QFile::remove(path);

    }

    emit imageSetFailed();

}

/*!

*/

void HsWallpaper::updateIconItem(Qt::Orientation orientation)

{

    if (orientation == Qt::Vertical) {

        mIconItem->setIcon(HbIcon(QIcon(mPortraitImagePath)));

    } else {

        mIconItem->setIcon(HbIcon(QIcon(mLandscapeImagePath)));

    }

}

/*!

*/

HsSceneWallpaper::HsSceneWallpaper(HsScene *scene, QGraphicsItem *parent)

  : HsWallpaper(parent),

    mScene(0)

{

    setScene(scene);

}

/*!

*/

HsSceneWallpaper::~HsSceneWallpaper()

{

}

/*!

*/

void HsSceneWallpaper::setScene(HsScene *scene)

{

    if (!scene) {

        return;

    }

    mScene = scene;

    mId = scene->databaseId();

    if (!setExistingImage()) {

        setDefaultImage();

    }

}

/*!

*/

QString HsSceneWallpaper::wallpaperDirectory() const

{

    return QDir::toNativeSeparators(rootDirectory() + "scene/");

}

/*!

*/

QVariantHash HsSceneWallpaper::createTargets(const QString &sourcePath)

{

    QVariantHash targets;

    QString targetSuffix("png");

    // Qt doesn't support writing GIFs, so let's save those and everything else but JPGs as PNGs

    if (QFileInfo(sourcePath).suffix().toUpper() == "JPG" ) {

        targetSuffix = QString("jpg");

    }

    QString path = wallpaperDirectory()

                   + QString("temp%1_").arg(mId)

                   + QString("%1.")

                   + targetSuffix;

    targets.insert(path.arg("portrait"), QSize((2 * 360) + HSCONFIGURATION_GET(bounceEffect), 640));

    targets.insert(path.arg("landscape"), QSize((2 * 640) + HSCONFIGURATION_GET(bounceEffect), 360));

    return targets;

}

/*!

 PAGE

*/

HsPageWallpaper::HsPageWallpaper(HsPage *page, QGraphicsItem *parent)

  : HsWallpaper(parent),

    mPage(0)

{

    setPage(page);

}

/*!

*/

HsPageWallpaper::~HsPageWallpaper()

{

}

/*!

*/

void HsPageWallpaper::setPage(HsPage *page)

{

    if (!page) {

        return;

    }

    mPage = page;

    mId = page->databaseId();

    if (!setExistingImage()) {

        setDefaultImage();

    }

}

/*!

*/

QString HsPageWallpaper::wallpaperDirectory() const

{

    return QDir::toNativeSeparators(rootDirectory() + "page/");

}

/*!

*/

QVariantHash HsPageWallpaper::createTargets(const QString &sourcePath)

{

    QVariantHash targets;

    QString targetSuffix("png");

    // Qt doesn't support writing GIFs, so let's save those and everything else but JPGs as PNGs

    if (QFileInfo(sourcePath).suffix().toUpper() == "JPG" ) {

        targetSuffix = QString("jpg");

    }

    QString path = wallpaperDirectory()

                   + QString("temp%1_").arg(mId)

                   + QString("%1.")

                   + targetSuffix;

    targets.insert(path.arg("portrait"), QSize(360, 640));

    targets.insert(path.arg("landscape"), QSize(640, 360));

    return targets;

}