/*

* Copyright (c) 2009-2010 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 <QSize>

#include <QMetaType>

#include <QVariant>

#include <hbparameterlengthlimiter.h>

#include "cxutils.h"

#include "cxuienums.h"

#include "cxeengine.h"

#include "cxesettings.h"

#include "cxenamespace.h"

#include "cxuisettingsinfo.h"

#include "cxequalitydetails.h"

#include "cxestillcapturecontrol.h"

#include "cxevideocapturecontrol.h"

#include "cxecameradevicecontrol.h"

#include "cxuisettingradiobuttonlist.h"

#include "cxuisettingxmlreader.h"

using namespace Cxe;

using namespace CxUiSettings;

namespace

{

    const QSize KResVGA = QSize(640, 480);

    const QSize KResHD = QSize(1280, 720);

    const QSize KResWideVGA = QSize(864, 480);

    const QSize KResSharing = QSize(176,144);

}

RadioButtonListParams& RadioButtonListParams::operator=(const RadioButtonListParams& other)

{

    CX_DEBUG_ENTER_FUNCTION();

    // Protect against self-assignment

    if (this != &other)

        {

        mHeading = other.mHeading;

        mSettingId = other.mSettingId;

        mHeadingIcon = other.mHeadingIcon;

        mSettingPairList = other.mSettingPairList;

        mPreview = other.mPreview;

        mListboxType = other.mListboxType;

        }

    CX_DEBUG_EXIT_FUNCTION();

    return *this;

}

SliderParams& SliderParams::operator=(const SliderParams& other)

{

    CX_DEBUG_ENTER_FUNCTION();

    // Protect against self-assignment

    if (this != &other)

        {

        mHeading = other.mHeading;

        mSettingId = other.mSettingId;

        mHeadingIcon = other.mHeadingIcon;

        mSettingStrings = other.mSettingStrings;

        mRange = other.mRange;

        mMinorStep = other.mMinorStep;

        mMajorStep = other.mMajorStep;

        }

    CX_DEBUG_EXIT_FUNCTION();

    return *this;

}

/*!

* CxuiSettingsInfo::CxuiSettingsInfo

*/

CxuiSettingsInfo::CxuiSettingsInfo(CxeEngine *engine)

    : mMode(-1), mEngine(engine)

{

    CX_DEBUG_ENTER_FUNCTION();

    CX_ASSERT_ALWAYS(engine);

    mXmlReader = new CxuiSettingXmlReader();

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* CxuiSettingsInfo::~CxuiSettingsInfo

*/

CxuiSettingsInfo::~CxuiSettingsInfo()

{

    CX_DEBUG_ENTER_FUNCTION();

    delete mXmlReader;

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Fetches the settings content for radio button list

* @param key specifies the settings key

* @param settings on return contains all the data required for radiobutton list

* @return Was the setting supported or not

*/

bool CxuiSettingsInfo::getSettingsContent(const QString &key,

                                          RadioButtonListParams &settings)

{

    CX_DEBUG_ENTER_FUNCTION();

    // Check that right content is loaded. Load now if not.

    checkMode();

    bool found(false);

    if (key == CxeSettingIds::IMAGE_QUALITY ||

        key == CxeSettingIds::VIDEO_QUALITY) {

        handleQualitySettings(key, settings);

        found = true;

    } else {

        // load settings from xml loader

        if (mXmlReader) {

            settings = mXmlReader->getListSettingInfo(key, found);

        }

    }

    CX_DEBUG_EXIT_FUNCTION();

    return found;

}

/*!

* Fetches the settings content for slider

* @Param key specifies the settings key

* @param settings on return contains all the data required for slider

*/

bool CxuiSettingsInfo::getSettingsContent(const QString &key,

                                          SliderParams &settings)

{

    CX_DEBUG_ENTER_FUNCTION();

    // Check that right content is loaded. Load now if not.

    checkMode();

    bool found(false);

    if (mXmlReader) {

        settings = mXmlReader->getSliderSettingInfo(key, found);

    }

    CX_DEBUG_EXIT_FUNCTION();

    return found;

}

/*!

* Helper function to prepare image/video quality settings list

*/

void CxuiSettingsInfo::handleQualitySettings(const QString &key,

                                             CxUiSettings::RadioButtonListParams &settings)

{

    CX_DEBUG_ENTER_FUNCTION();

    settings.mSettingId = key;

    settings.mPreview = false;

    settings.mListboxType = CxuiSettingRadioButtonList::TwoLine;

    if (key == CxeSettingIds::IMAGE_QUALITY) {

        settings.mHeading = hbTrId("txt_cam_title_image_quality");

        getImageQualitySettings(settings);

    } else {

        settings.mHeading = hbTrId("txt_cam_title_video_quality");

        getVideoQualitySettings(settings);

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Prepares Image quality settings.

*/

void CxuiSettingsInfo::getImageQualitySettings(RadioButtonListParams &settings)

{

    CX_DEBUG_ENTER_FUNCTION();

    settings.mSettingPairList.clear();

    QList<CxeImageDetails> list =

                mEngine->stillCaptureControl().supportedImageQualities();

    int index = 0;

    // get the localized possible strings for each image quality setting

    QString vga = "txt_cam_dblist_vga";

    QString normal = "txt_cam_dblist_ln_mpix";

    QString imagesLeft = "txt_cam_dblist_hd_720p_val_ln_images_left";

    QString widescreen = "txt_cam_dblist_ln_mpix_widescreen";

    foreach(CxeImageDetails quality, list) {

        // mapping the right value for each quality

        QString settingString;

        QString qualityIcon = "";

        qreal pxCount = quality.mMpxCount.toDouble();

        if (quality.mWidth == KResVGA.width() && quality.mHeight == KResVGA.height()) {

            settingString.append(hbTrId(vga.toAscii().constData()));

            settingString.append(" ");

        }

        if (quality.mAspectRatio == Cxe::AspectRatio16to9) {

             settingString.append(hbTrId(widescreen.toAscii().constData()).arg(pxCount,0,'g',3));

        } else {

            settingString.append(hbTrId(normal.toAscii().constData()).arg(pxCount,0,'g',3));

        }

        settingString.append(NEW_LINE_CHAR);

        settingString.append(HbParameterLengthLimiter(imagesLeft.toAscii().constData(), quality.mPossibleImages));

        CX_DEBUG(( "Image quality setting string: %s", settingString.toAscii().constData()));

        if (quality.mMpxCount == "12") {

            qualityIcon = "qtg_mono_12mp";

        } else if (quality.mMpxCount == "9") {

            qualityIcon = "qtg_mono_9mp";

        } else if (quality.mMpxCount == "3.1") {

            qualityIcon = "qtg_mono_3mp";

        } else if (quality.mMpxCount == "1.2") {

            qualityIcon = "qtg_mono_1_3mp";

        } else if (quality.mMpxCount == "0.3") {

            qualityIcon = "qtg_mono_0_3mp";

        }

        SettingItem setting;

        setting.mItem = settingString;

        setting.mValue = index;

        setting.mIcon = qualityIcon;

        settings.mSettingPairList.append(setting);

        index++;

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Prepares video quality settings.

*/

void CxuiSettingsInfo::getVideoQualitySettings(RadioButtonListParams &settings)

{

    CX_DEBUG_ENTER_FUNCTION();

    settings.mSettingPairList.clear();

    QList<CxeVideoDetails> list =

                mEngine->videoCaptureControl().supportedVideoQualities();

    int index = 0;

    // get the localized possible strings for each video quality setting

    QString timeleft = hbTrId("txt_cam_dblist_hd_720p_val_ln_recording_time_left");

    QString hdString = hbTrId("txt_cam_dblist_hd_720p_169_widescreen");

    QString vga = hbTrId("txt_cam_dblist_vga_43");

    QString wideVga = hbTrId("txt_cam_dblist_vga_169_widescreen"); //VGA 16:9 widescreen

    QString sharing = hbTrId("txt_cam_dblist_qcif_sharing");

    foreach(CxeVideoDetails quality, list) {

        // mapping the right value for each quality

        QString settingString = "";

        QString time = "";

        QString qualityIcon = "";

        if (quality.mWidth == KResHD.width() &&

            quality.mHeight == KResHD.height()) {

            settingString.append(hdString);

            qualityIcon = "qtg_mono_hd";

        } else if (quality.mWidth == KResVGA.width() &&

                   quality.mHeight == KResVGA.height()) {

            settingString.append(vga);

            qualityIcon = "qtg_mono_vga";

        } else if (quality.mWidth == KResSharing.width() &&

                   quality.mHeight == KResSharing.height()){

            settingString.append(sharing);

            qualityIcon = "qtg_mono_qcif";

        } else if (quality.mWidth == KResWideVGA.width() &&

                  quality.mHeight == KResWideVGA.height()) {

            settingString.append(wideVga);

            qualityIcon = "qtg_mono_vga_wide";

        }

        settingString.append(NEW_LINE_CHAR);

        time.sprintf("%02d:%02d", quality.mRemainingTime / 60, quality.mRemainingTime % 60);

        settingString.append(timeleft.arg(time));

        CX_DEBUG(( "video quality setting string: %s", settingString.toAscii().constData()));

        SettingItem setting;

        setting.mItem = settingString;

        setting.mValue = index;

        setting.mIcon = qualityIcon;

        settings.mSettingPairList.append(setting);

        index++;

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Check that the right content for current mode is loaded.

*

* UI gets "settings changed" / "scene changed" events quite

* early when switching mode (image / video). We cannot rely

* on CxeCameraDeviceControl::initModeComplete signal since

* that would be coming too late. (We would be using setting XML

* for the old mode, and setting keys/values/icons would not

* be found.) Better check this whenever UI requests for

* content for a setting, and reload the XML when needed.

* @see CxuiSettingsInfo::getSettingsContent(const QString &, RadioButtonListParams &)

* @see CxuiSettingsInfo::getSettingsContent(const QString &, SliderParams &)

* @see CxeCameraDeviceControl::initModeComplete(CxeError::Id)

*/

void CxuiSettingsInfo::checkMode()

{

    CX_DEBUG_ENTER_FUNCTION();

    int oldMode = mMode;

    mMode = mEngine->cameraDeviceControl().mode();

    if (mMode != oldMode) {

        // Select the setting XML file based on mode.

        QString sourceXml(mEngine->cameraDeviceControl().mode() == Cxe::ImageMode

                         ? CxUiSettings::IMAGE_SETTING_MAPPING_FILE

                         : CxUiSettings::VIDEO_SETTING_MAPPING_FILE);

        mXmlReader->setXmlSource(sourceXml);

    }

    CX_DEBUG_EXIT_FUNCTION();

}

// end of file