/****************************************************************************

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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the demonstration applications of the Qt Toolkit.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** packaging of this file.  Please review the following information to

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** $QT_END_LICENSE$

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****************************************************************************/

#include "settings.h"

#include "browserapplication.h"

#include "browsermainwindow.h"

#include "cookiejar.h"

#include "history.h"

#include "networkaccessmanager.h"

#include "webview.h"

#include <QtCore/QSettings>

#include <QtGui/QtGui>

#include <QtWebKit/QtWebKit>

SettingsDialog::SettingsDialog(QWidget *parent)

    : QDialog(parent)

{

    setupUi(this);

    connect(exceptionsButton, SIGNAL(clicked()), this, SLOT(showExceptions()));

    connect(setHomeToCurrentPageButton, SIGNAL(clicked()), this, SLOT(setHomeToCurrentPage()));

    connect(cookiesButton, SIGNAL(clicked()), this, SLOT(showCookies()));

    connect(standardFontButton, SIGNAL(clicked()), this, SLOT(chooseFont()));

    connect(fixedFontButton, SIGNAL(clicked()), this, SLOT(chooseFixedFont()));

    loadDefaults();

    loadFromSettings();

}

void SettingsDialog::loadDefaults()

{

    QWebSettings *defaultSettings = QWebSettings::globalSettings();

    QString standardFontFamily = defaultSettings->fontFamily(QWebSettings::StandardFont);

    int standardFontSize = defaultSettings->fontSize(QWebSettings::DefaultFontSize);

    standardFont = QFont(standardFontFamily, standardFontSize);

    standardLabel->setText(QString(QLatin1String("%1 %2")).arg(standardFont.family()).arg(standardFont.pointSize()));

    QString fixedFontFamily = defaultSettings->fontFamily(QWebSettings::FixedFont);

    int fixedFontSize = defaultSettings->fontSize(QWebSettings::DefaultFixedFontSize);

    fixedFont = QFont(fixedFontFamily, fixedFontSize);

    fixedLabel->setText(QString(QLatin1String("%1 %2")).arg(fixedFont.family()).arg(fixedFont.pointSize()));

    downloadsLocation->setText(QDesktopServices::storageLocation(QDesktopServices::DesktopLocation));

    enableJavascript->setChecked(defaultSettings->testAttribute(QWebSettings::JavascriptEnabled));

    enablePlugins->setChecked(defaultSettings->testAttribute(QWebSettings::PluginsEnabled));

}

void SettingsDialog::loadFromSettings()

{

    QSettings settings;

    settings.beginGroup(QLatin1String("MainWindow"));

    QString defaultHome = QLatin1String("http://qt.nokia.com");

    homeLineEdit->setText(settings.value(QLatin1String("home"), defaultHome).toString());

    settings.endGroup();

    settings.beginGroup(QLatin1String("history"));

    int historyExpire = settings.value(QLatin1String("historyExpire")).toInt();

    int idx = 0;

    switch (historyExpire) {

    case 1: idx = 0; break;

    case 7: idx = 1; break;

    case 14: idx = 2; break;

    case 30: idx = 3; break;

    case 365: idx = 4; break;

    case -1: idx = 5; break;

    default:

        idx = 5;

    }

    expireHistory->setCurrentIndex(idx);

    settings.endGroup();

    settings.beginGroup(QLatin1String("downloadmanager"));

    QString downloadDirectory = settings.value(QLatin1String("downloadDirectory"), downloadsLocation->text()).toString();

    downloadsLocation->setText(downloadDirectory);

    settings.endGroup();

    settings.beginGroup(QLatin1String("general"));

    openLinksIn->setCurrentIndex(settings.value(QLatin1String("openLinksIn"), openLinksIn->currentIndex()).toInt());

    settings.endGroup();

    // Appearance

    settings.beginGroup(QLatin1String("websettings"));

    fixedFont = qVariantValue<QFont>(settings.value(QLatin1String("fixedFont"), fixedFont));

    standardFont = qVariantValue<QFont>(settings.value(QLatin1String("standardFont"), standardFont));

    standardLabel->setText(QString(QLatin1String("%1 %2")).arg(standardFont.family()).arg(standardFont.pointSize()));

    fixedLabel->setText(QString(QLatin1String("%1 %2")).arg(fixedFont.family()).arg(fixedFont.pointSize()));

    enableJavascript->setChecked(settings.value(QLatin1String("enableJavascript"), enableJavascript->isChecked()).toBool());

    enablePlugins->setChecked(settings.value(QLatin1String("enablePlugins"), enablePlugins->isChecked()).toBool());

    userStyleSheet->setText(settings.value(QLatin1String("userStyleSheet")).toUrl().toString());

    settings.endGroup();

    // Privacy

    settings.beginGroup(QLatin1String("cookies"));

    CookieJar *jar = BrowserApplication::cookieJar();

    QByteArray value = settings.value(QLatin1String("acceptCookies"), QLatin1String("AcceptOnlyFromSitesNavigatedTo")).toByteArray();

    QMetaEnum acceptPolicyEnum = jar->staticMetaObject.enumerator(jar->staticMetaObject.indexOfEnumerator("AcceptPolicy"));

    CookieJar::AcceptPolicy acceptCookies = acceptPolicyEnum.keyToValue(value) == -1 ?

                        CookieJar::AcceptOnlyFromSitesNavigatedTo :

                        static_cast<CookieJar::AcceptPolicy>(acceptPolicyEnum.keyToValue(value));

    switch(acceptCookies) {

    case CookieJar::AcceptAlways:

        acceptCombo->setCurrentIndex(0);

        break;

    case CookieJar::AcceptNever:

        acceptCombo->setCurrentIndex(1);

        break;

    case CookieJar::AcceptOnlyFromSitesNavigatedTo:

        acceptCombo->setCurrentIndex(2);

        break;

    }

    value = settings.value(QLatin1String("keepCookiesUntil"), QLatin1String("Expire")).toByteArray();

    QMetaEnum keepPolicyEnum = jar->staticMetaObject.enumerator(jar->staticMetaObject.indexOfEnumerator("KeepPolicy"));

    CookieJar::KeepPolicy keepCookies = keepPolicyEnum.keyToValue(value) == -1 ?

                        CookieJar::KeepUntilExpire :

                        static_cast<CookieJar::KeepPolicy>(keepPolicyEnum.keyToValue(value));

    switch(keepCookies) {

    case CookieJar::KeepUntilExpire:

        keepUntilCombo->setCurrentIndex(0);

        break;

    case CookieJar::KeepUntilExit:

        keepUntilCombo->setCurrentIndex(1);

        break;

    case CookieJar::KeepUntilTimeLimit:

        keepUntilCombo->setCurrentIndex(2);

        break;

    }

    settings.endGroup();

    // Proxy

    settings.beginGroup(QLatin1String("proxy"));

    proxySupport->setChecked(settings.value(QLatin1String("enabled"), false).toBool());

    proxyType->setCurrentIndex(settings.value(QLatin1String("type"), 0).toInt());

    proxyHostName->setText(settings.value(QLatin1String("hostName")).toString());

    proxyPort->setValue(settings.value(QLatin1String("port"), 1080).toInt());

    proxyUserName->setText(settings.value(QLatin1String("userName")).toString());

    proxyPassword->setText(settings.value(QLatin1String("password")).toString());

    settings.endGroup();

}

void SettingsDialog::saveToSettings()

{

    QSettings settings;

    settings.beginGroup(QLatin1String("MainWindow"));

    settings.setValue(QLatin1String("home"), homeLineEdit->text());

    settings.endGroup();

    settings.beginGroup(QLatin1String("general"));

    settings.setValue(QLatin1String("openLinksIn"), openLinksIn->currentIndex());

    settings.endGroup();

    settings.beginGroup(QLatin1String("history"));

    int historyExpire = expireHistory->currentIndex();

    int idx = -1;

    switch (historyExpire) {

    case 0: idx = 1; break;

    case 1: idx = 7; break;

    case 2: idx = 14; break;

    case 3: idx = 30; break;

    case 4: idx = 365; break;

    case 5: idx = -1; break;

    }

    settings.setValue(QLatin1String("historyExpire"), idx);

    settings.endGroup();

    // Appearance

    settings.beginGroup(QLatin1String("websettings"));

    settings.setValue(QLatin1String("fixedFont"), fixedFont);

    settings.setValue(QLatin1String("standardFont"), standardFont);

    settings.setValue(QLatin1String("enableJavascript"), enableJavascript->isChecked());

    settings.setValue(QLatin1String("enablePlugins"), enablePlugins->isChecked());

    QString userStyleSheetString = userStyleSheet->text();

    if (QFile::exists(userStyleSheetString))

        settings.setValue(QLatin1String("userStyleSheet"), QUrl::fromLocalFile(userStyleSheetString));

    else

        settings.setValue(QLatin1String("userStyleSheet"), QUrl(userStyleSheetString));

    settings.endGroup();

    //Privacy

    settings.beginGroup(QLatin1String("cookies"));

    CookieJar::KeepPolicy keepCookies;

    switch(acceptCombo->currentIndex()) {

    default:

    case 0:

        keepCookies = CookieJar::KeepUntilExpire;

        break;

    case 1:

        keepCookies = CookieJar::KeepUntilExit;

        break;

    case 2:

        keepCookies = CookieJar::KeepUntilTimeLimit;

        break;

    }

    CookieJar *jar = BrowserApplication::cookieJar();

    QMetaEnum acceptPolicyEnum = jar->staticMetaObject.enumerator(jar->staticMetaObject.indexOfEnumerator("AcceptPolicy"));

    settings.setValue(QLatin1String("acceptCookies"), QLatin1String(acceptPolicyEnum.valueToKey(keepCookies)));

    CookieJar::KeepPolicy keepPolicy;

    switch(keepUntilCombo->currentIndex()) {

        default:

    case 0:

        keepPolicy = CookieJar::KeepUntilExpire;

        break;

    case 1:

        keepPolicy = CookieJar::KeepUntilExit;

        break;

    case 2:

        keepPolicy = CookieJar::KeepUntilTimeLimit;

        break;

    }

    QMetaEnum keepPolicyEnum = jar->staticMetaObject.enumerator(jar->staticMetaObject.indexOfEnumerator("KeepPolicy"));

    settings.setValue(QLatin1String("keepCookiesUntil"), QLatin1String(keepPolicyEnum.valueToKey(keepPolicy)));

    settings.endGroup();

    // proxy

    settings.beginGroup(QLatin1String("proxy"));

    settings.setValue(QLatin1String("enabled"), proxySupport->isChecked());

    settings.setValue(QLatin1String("type"), proxyType->currentIndex());

    settings.setValue(QLatin1String("hostName"), proxyHostName->text());

    settings.setValue(QLatin1String("port"), proxyPort->text());

    settings.setValue(QLatin1String("userName"), proxyUserName->text());

    settings.setValue(QLatin1String("password"), proxyPassword->text());

    settings.endGroup();

    BrowserApplication::instance()->loadSettings();

    BrowserApplication::networkAccessManager()->loadSettings();

    BrowserApplication::cookieJar()->loadSettings();

    BrowserApplication::historyManager()->loadSettings();

}

void SettingsDialog::accept()

{

    saveToSettings();

    QDialog::accept();

}

void SettingsDialog::showCookies()

{

    CookiesDialog *dialog = new CookiesDialog(BrowserApplication::cookieJar(), this);

    dialog->exec();

}

void SettingsDialog::showExceptions()

{

    CookiesExceptionsDialog *dialog = new CookiesExceptionsDialog(BrowserApplication::cookieJar(), this);

    dialog->exec();

}

void SettingsDialog::chooseFont()

{

    bool ok;

    QFont font = QFontDialog::getFont(&ok, standardFont, this);

    if ( ok ) {

        standardFont = font;

        standardLabel->setText(QString(QLatin1String("%1 %2")).arg(font.family()).arg(font.pointSize()));

    }

}

void SettingsDialog::chooseFixedFont()

{

    bool ok;

    QFont font = QFontDialog::getFont(&ok, fixedFont, this);

    if ( ok ) {

        fixedFont = font;

        fixedLabel->setText(QString(QLatin1String("%1 %2")).arg(font.family()).arg(font.pointSize()));

    }

}

void SettingsDialog::setHomeToCurrentPage()

{

    BrowserMainWindow *mw = static_cast<BrowserMainWindow*>(parent());

    WebView *webView = mw->currentTab();

    if (webView)

        homeLineEdit->setText(webView->url().toString());

}