/*

* 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: Software install notification content widget.

*

*/

#include "sifuidialogcontentwidget.h"

#include <QGraphicsLinearLayout>

#include <hbstackedwidget.h>

#include <hblabel.h>

#include <hbpushbutton.h>

#include <hbcombobox.h>

#include <hbprogressbar.h>

#include <QPixmap>

#include <qsysteminfo.h>                    // QSystemStorageInfo

#include <qvaluespacepublisher.h>           // QValueSpacePublisher

#include <qvaluespacesubscriber.h>          // QValueSpaceSubscriber

#if defined(Q_OS_SYMBIAN)

#include <driveinfo.h>                      // DriveInfo

#include <fbs.h>                            // CFbsBitmap

#endif  // Q_OS_SYMBIAN

QTM_USE_NAMESPACE

const char KSifUiDefaultApplicationIcon[] = "qtg_large_application";

const char KSifUiErrorIcon[] = "qtg_large_warning";

const int KSifUiKilo = 1024;

const int KSifUiMega = 1024*1024;

const int KAppNameIndex = 0;

const int KAppSizeIndex = 1;

enum TSifUiDriveName {

    EPhoneMemory,

    EMassStorage,

    EMemoryCard,

    EOtherDrive

};

const char KInitialDefaultDrive = 'C';

// Path and value name for QValueSpacePublisher/QValueSpaceSubscriber.

const QString KSifUiCenRepPath = "/KCRUIDSifUiDefaults";

const QString KSifUiCenRepDefaultDrive = "KCRUIDSifUiDefaultDrive";

// TODO: replace with proper logging

#ifdef _DEBUG

#define FLOG1(x)        qDebug() << (x)

#define FLOG2(x,y)      qDebug() << (x) << (y)

#define FLOG3(x,y,z)    qDebug() << (x) << (y) << (z)

#else

#define FLOG1(x)

#define FLOG2(x,y)

#define FLOG3(x,y,z)

#endif

// ======== LOCAL FUNCTIONS ========

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

// fbsBitmap()

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

//

CFbsBitmap *fbsBitmap(int handle)

{

    CFbsBitmap *bitmap = 0;

#if defined(Q_OS_SYMBIAN)

    bitmap = new CFbsBitmap;

    if (bitmap) {

        if (!bitmap->Duplicate(handle)) {

            delete bitmap;

            bitmap = 0;

        }

    }

#endif // Q_OS_SYMBIAN

    return bitmap;

}

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

// driveName()

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

//

TSifUiDriveName driveName(const QChar& volume)

{

#if defined(Q_OS_SYMBIAN)

    int err = 0;

    TChar drive;

    err = DriveInfo::GetDefaultDrive(DriveInfo::EDefaultPhoneMemory, drive);

    if (!err && volume.toAscii() == drive) {

        return EPhoneMemory;

    }

    err = DriveInfo::GetDefaultDrive(DriveInfo::EDefaultMassStorage, drive);

    if (!err && volume.toAscii() == drive) {

        return EMassStorage;

    }

    err = DriveInfo::GetDefaultDrive(DriveInfo::EDefaultRemovableMassStorage, drive);

    if (!err && volume.toAscii() == drive) {

        return EMemoryCard;

    }

#endif  // Q_OS_SYMBIAN

    return EOtherDrive;

}

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

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

// SifUiDialogContentWidget::SifUiDialogContentWidget()

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

//

SifUiDialogContentWidget::SifUiDialogContentWidget(QGraphicsItem *parent,

        Qt::WindowFlags flags) : HbWidget(parent, flags),

        mAppIcon(0), mAppName(0), mAppSize(0),

        mMainLayout(0), mAppDetailsLayout(0), mStackedWidget(0),

        mMemorySelection(0), mProgressBar(0), mErrorText(0),

        mBitmap(0), mMask(0), mPublisher(0), mSubscriber(0)

{

}

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

// SifUiDialogContentWidget::~SifUiDialogContentWidget()

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

//

SifUiDialogContentWidget::~SifUiDialogContentWidget()

{

    delete mBitmap;

    delete mMask;

}

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

// SifUiDialogContentWidget::constructFromParameters()

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

//

void SifUiDialogContentWidget::constructFromParameters(const QVariantMap &parameters)

{

    FLOG1("SifUiDialogContentWidget::constructFromParameters");

    Q_ASSERT(mMainLayout == 0);

    mMainLayout = new QGraphicsLinearLayout(Qt::Vertical);

    // Application icon

    QGraphicsLinearLayout *iconAndAppLayout = new QGraphicsLinearLayout(Qt::Horizontal);

    Q_ASSERT(mAppIcon == 0);

    mAppIcon = new HbLabel;

    updateAppIcon(parameters);

    iconAndAppLayout->addItem(mAppIcon);

    // Application name and version

    Q_ASSERT(mAppDetailsLayout == 0);

    mAppDetailsLayout = new QGraphicsLinearLayout(Qt::Vertical);

    createAppName(applicationName(parameters));

    mAppDetailsLayout->addItem(mAppName);

    // Application size

    Q_ASSERT(mAppSize == 0);

    updateAppSize(parameters);

    // Other application details

    if (parameters.contains(KSifUiApplicationDetails)) {

        addDetails(parameters.value(KSifUiApplicationDetails).toStringList());

    }

    iconAndAppLayout->addItem(mAppDetailsLayout);

    mMainLayout->addItem(iconAndAppLayout);

    // Memory selection, progress bar, and error text within a stacked widget

    Q_ASSERT(mStackedWidget == 0);

    mStackedWidget = new HbStackedWidget;

    Q_ASSERT(mMemorySelection == 0);

    mMemorySelection = new HbComboBox;

    mStackedWidget->addWidget(mMemorySelection);

    Q_ASSERT(mProgressBar == 0);

    mProgressBar = new HbProgressBar;

    mProgressBar->setRange(0,0);    // busy indicator by default

    mStackedWidget->addWidget(mProgressBar);

    Q_ASSERT(mErrorText == 0);

    mErrorText = new HbLabel;

    mStackedWidget->addWidget(mErrorText);

    mMainLayout->addItem(mStackedWidget);

    if (!updateErrorText(parameters) &&

        !updateProgressBar(parameters) &&

        !updateMemorySelection(parameters)) {

        mStackedWidget->hide();

    }

    setLayout(mMainLayout);

    }

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

// SifUiDialogContentWidget::updateFromParameters()

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

//

void SifUiDialogContentWidget::updateFromParameters(const QVariantMap &parameters)

{

    FLOG1("SifUiDialogContentWidget::updateFromParameters");

    // Application icon

    updateAppIcon(parameters);

    // Application name and version

    if (parameters.contains(KSifUiApplicationName)) {

        QString appNameStr = applicationName(parameters);

        if (mAppName) {

            if (mAppName->plainText() != appNameStr) {

                mAppName->setPlainText(appNameStr);

            }

        } else {

            createAppName(appNameStr);

            mAppDetailsLayout->insertItem(KAppNameIndex, mAppName);

        }

    }

    // Application size

    updateAppSize(parameters);

    // Other application details

    if (parameters.contains(KSifUiApplicationDetails)) {

        removeDetails();

        addDetails(parameters.value(KSifUiApplicationDetails).toStringList());

    }

    // Stacked widgets: memory selection, progress bar and error text

    if (updateErrorText(parameters) ||

        updateProgressBar(parameters) ||

        updateMemorySelection(parameters)) {

        if (!mStackedWidget->isVisible()) {

            mStackedWidget->show();

        }

    } else {

        if (mStackedWidget->isVisible()) {

            mStackedWidget->hide();

        }

    }

}

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

// SifUiDialogContentWidget::changeType()

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

//

void SifUiDialogContentWidget::changeType(SifUiDeviceDialogType type)

{

    FLOG2("SifUiDialogContentWidget::changeType", type);

    switch (type) {

        case SifUiConfirmationQuery:

            mStackedWidget->setCurrentWidget(mMemorySelection);

            break;

        case SifUiProgressNote:

            mStackedWidget->setCurrentWidget(mProgressBar);

            break;

        case SifUiCompleteNote:

            break;

        case SifUiErrorNote:

            mStackedWidget->setCurrentWidget(mErrorText);

            break;

        default:

            break;

    }

}

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

// SifUiDialogContentWidget::applicationName()

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

//

QString SifUiDialogContentWidget::applicationName() const

{

    if (mAppName) {

        return mAppName->plainText();

    }

    return QString();

}

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

// SifUiDialogContentWidget::handleMemorySelectionChange()

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

//

void SifUiDialogContentWidget::handleMemorySelectionChange(int selectedIndex)

{

    FLOG2("SifUiDialogContentWidget::handleMemorySelectionChange", selectedIndex);

    QChar selectedDrive = mDriveLetterList[selectedIndex][0];

    saveSelectedDriveAsDefault( selectedDrive );

    emit memorySelectionChanged( selectedDrive );

}

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

// SifUiDialogContentWidget::applicationName()

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

//

QString SifUiDialogContentWidget::applicationName(const QVariantMap &parameters)

{

    QString appName = "";

    if (parameters.contains(KSifUiApplicationName)) {

        QString nameParam = parameters.value(KSifUiApplicationName).toString();

        if (parameters.contains(KSifUiApplicationVersion)) {

            QString versionParam = parameters.value(KSifUiApplicationVersion).toString();

            //: Custom layout ID parent. Template for application name and version in SW install

            //: confirmation query. %1 is the application name and %2 is the version number.

            //: Version number consist of major, minor, and build numbers.

            //: For example: "Chess (v 1.01(123))".

            // TODO: use hbTrId when arg() starts to work with limited length arguments like "%[99]1"

            //appName = hbTrId("txt_installer_list_appname_version").arg(nameParam, versionParam);

            appName = QString("%1 (v %2)").arg(nameParam, versionParam);

        } else {

            appName = nameParam;

        }

    }

    return appName;

}

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

// SifUiDialogContentWidget::applicationSize()

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

//

QString SifUiDialogContentWidget::applicationSize(const QVariantMap &parameters)

{

    QString appSize = "";

    if (parameters.contains(KSifUiApplicationSize)) {

        bool ok = false;

        uint size = parameters.value(KSifUiApplicationSize).toUInt(&ok);

        if (ok) {

            if (size > KSifUiMega) {

                //: Application size in SW install confirmation query, %1 is in megabytes

                appSize = hbTrId("txt_installer_list_appsize_mb").arg(size/KSifUiMega);

            } else if(size > KSifUiKilo) {

                //: Application size in SW install confirmation query, %1 is in kilobytes

                appSize = hbTrId("txt_installer_list_appsize_kb").arg(size/KSifUiKilo);

            } else {

                //: Application size in SW install confirmation query, %1 is in bytes

                appSize = hbTrId("txt_installer_list_appsize_b").arg(size);

            }

        }

    }

    return appSize;

}

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

// SifUiDialogContentWidget::removeDetails()

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

//

void SifUiDialogContentWidget::removeDetails()

{

    int firstDetailsItemIndex = ( mAppName ? 1 : 0 ) + ( mAppSize ? 1 : 0 );

    QGraphicsLayoutItem *item = 0;

    for (int i = 0; i < mAppDetailsLayout->count(); ++i) {

        if (i >= firstDetailsItemIndex) {

            item = mAppDetailsLayout->itemAt(i);

            mAppDetailsLayout->removeAt(i);

            delete item;

            item = 0;

        }

    }

}

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

// SifUiDialogContentWidget::addDetails()

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

//

void SifUiDialogContentWidget::addDetails(const QStringList &detailList)

{

    QStringListIterator detailsIter(detailList);

    while (detailsIter.hasNext())

        {

        addDetail(detailsIter.next());

        }

}

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

// SifUiDialogContentWidget::addDetail()

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

//

void SifUiDialogContentWidget::addDetail(const QString &detailText)

{

    Q_ASSERT(mAppDetailsLayout != 0);

    HbLabel *detailItem = new HbLabel(detailText);

    detailItem->setTextWrapping(Hb::TextWordWrap);

    detailItem->setFontSpec(HbFontSpec(HbFontSpec::Secondary));

    mAppDetailsLayout->addItem(detailItem);

}

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

// SifUiDialogContentWidget::createAppName()

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

//

void SifUiDialogContentWidget::createAppName(const QString &appName)

{

    Q_ASSERT(mAppName == 0);

    mAppName = new HbLabel(appName);

    mAppName->setTextWrapping(Hb::TextWordWrap);

    mAppName->setFontSpec(HbFontSpec(HbFontSpec::Secondary));

}

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

// SifUiDialogContentWidget::updateAppIcon()

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

//

void SifUiDialogContentWidget::updateAppIcon(const QVariantMap &parameters)

{

    Q_ASSERT(mAppIcon != 0);

    // TODO: proper icon handling

    if (parameters.contains(KSifUiDialogType) &&

        (parameters.value(KSifUiDialogType).toInt() == SifUiErrorNote)) {

        mAppIcon->setIcon(HbIcon(KSifUiErrorIcon));

    } else if (parameters.contains(KSifUiApplicationIconHandle) &&

        parameters.contains(KSifUiApplicationIconMaskHandle)) {

        int iconHandle = parameters.value(KSifUiApplicationIconHandle).toInt();

        int maskHandle = parameters.value(KSifUiApplicationIconMaskHandle).toInt();

        QPixmap pixmap;

        delete mBitmap;

        mBitmap = fbsBitmap(iconHandle);

        delete mMask;

        mMask = fbsBitmap(maskHandle);

        if (mBitmap && mMask) {

            pixmap = QPixmap::fromSymbianCFbsBitmap(mBitmap);

            pixmap.setAlphaChannel(QPixmap::fromSymbianCFbsBitmap(mMask));

        }

        mAppIcon->setIcon(HbIcon(pixmap));

    } else {

        if (mAppIcon->icon().isNull()) {

            mAppIcon->setIcon(HbIcon(KSifUiDefaultApplicationIcon));

        }

    }

}

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

// SifUiDialogContentWidget::updateAppSize()

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

//

void SifUiDialogContentWidget::updateAppSize(const QVariantMap &parameters)

{

    if (parameters.contains(KSifUiApplicationSize)) {

        QString appSizeStr = applicationSize(parameters);

        if (appSizeStr.length() > 0) {

            if (mAppSize) {

                if (mAppSize->plainText() != appSizeStr) {

                    mAppSize->setPlainText(appSizeStr);

                }

            } else {

                HbLabel *appSize = new HbLabel(appSizeStr);

                appSize->setTextWrapping(Hb::TextWordWrap);

                appSize->setFontSpec(HbFontSpec(HbFontSpec::Secondary));

                mAppDetailsLayout->insertItem(KAppSizeIndex, appSize);

                mAppSize = appSize;

            }

        }

    }

}

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

// SifUiDialogContentWidget::updateMemorySelection()

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

//

bool SifUiDialogContentWidget::updateMemorySelection(const QVariantMap &parameters)

{

    if (parameters.contains(KSifUiMemorySelection)) {

        QString drives = parameters.value(KSifUiMemorySelection).toString();

        mDriveLetterList = drives.split(",");

        QChar defaultDrive = readDefaultSelectedDrive();

        int defaultDriveIndex = 0;

        QStringList driveList;

        QSystemStorageInfo info;

        QStringList volumeList = info.logicalDrives();

        foreach (QString volume, volumeList) {

            if (mDriveLetterList.contains(volume)) {

                qlonglong size = info.availableDiskSpace(volume);

                QChar driveLetter(volume[0]);

                switch (driveName(driveLetter)) {

                case EPhoneMemory:

                    if (size > KSifUiMega) {

                        //: Drive name for internal phone memory with megabytes of free space.

                        //: %1 is replaced with drive letter (usually 'C')

                        //: %2 is replaced with available free space (in megabytes, MB)

                        //TODO: enable when available

                        //driveList.append(hbTrId("txt_installer_device_memory_mb")

                        //    .arg(volume).arg(size/KSifUiMega));

                        driveList.append(tr("%1: Phone mem. (%L2 MB)"

                            ).arg(volume).arg(size/KSifUiMega));

                    } else {

                        //: Drive name for internal phone memory with kilobytes of free space.

                        //: %1 is replaced with drive letter (usually 'C')

                        //: %2 is replaced with available free space (in kilobytes, kB)

                        //TODO: enable when available

                        //driveList.append(hbTrId("txt_installer_device_memory_kb")

                        //    .arg(volume).arg(size/KSifUiKilo));

                        driveList.append(tr("%1: Phone mem. (%L2 kB)"

                            ).arg(volume).arg(size/KSifUiKilo));

                    }

                    break;

                case EMassStorage:

                    if (size > KSifUiMega) {