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#include "BrowserView.h"

#include <QtGui>

#include <QtNetwork>

#include <QtWebKit>

#include "ControlStrip.h"

#include "TitleBar.h"

#include "flickcharm.h"

#include "webview.h"

#include "ZoomStrip.h"

BrowserView::BrowserView(QWidget *parent)

    : QWidget(parent)

    , m_titleBar(0)

    , m_webView(0)

    , m_progress(0)

    , m_currentZoom(100)

{

    m_titleBar = new TitleBar(this);

    m_webView = new WebView(this);

    m_zoomStrip = new ZoomStrip(this);

    m_controlStrip = new ControlStrip(this);

    m_zoomLevels << 30 << 50 << 67 << 80 << 90;

    m_zoomLevels << 100;

    m_zoomLevels << 110 << 120 << 133 << 150 << 170 << 200 << 240 << 300;

    QNetworkConfigurationManager manager;

    if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {

        // Get saved network configuration

        QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));

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

        const QString id =

            settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();

        settings.endGroup();

        // If the saved network configuration is not currently discovered use the system

        // default

        QNetworkConfiguration config = manager.configurationFromIdentifier(id);

        if ((config.state() & QNetworkConfiguration::Discovered) !=

            QNetworkConfiguration::Discovered) {

            config = manager.defaultConfiguration();

        }

        m_webView->page()->networkAccessManager()->setConfiguration(config);

    }

    QTimer::singleShot(0, this, SLOT(initialize()));

}

void BrowserView::initialize()

{

    connect(m_zoomStrip, SIGNAL(zoomInClicked()), SLOT(zoomIn()));

    connect(m_zoomStrip, SIGNAL(zoomOutClicked()), SLOT(zoomOut()));

    connect(m_controlStrip, SIGNAL(menuClicked()), SIGNAL(menuButtonClicked()));

    connect(m_controlStrip, SIGNAL(backClicked()), m_webView, SLOT(back()));

    connect(m_controlStrip, SIGNAL(forwardClicked()), m_webView, SLOT(forward()));

    connect(m_controlStrip, SIGNAL(closeClicked()), qApp, SLOT(quit()));

    QPalette pal = m_webView->palette();

    pal.setBrush(QPalette::Base, Qt::white);

    m_webView->setPalette(pal);

    FlickCharm *flickCharm = new FlickCharm(this);

    flickCharm->activateOn(m_webView);

    m_webView->setZoomFactor(static_cast<qreal>(m_currentZoom)/100.0);

    connect(m_webView, SIGNAL(loadStarted()), SLOT(start()));

    connect(m_webView, SIGNAL(loadProgress(int)), SLOT(setProgress(int)));

    connect(m_webView, SIGNAL(loadFinished(bool)), SLOT(finish(bool)));

    connect(m_webView, SIGNAL(urlChanged(QUrl)), SLOT(updateTitleBar()));

    m_webView->setHtml("about:blank");

    m_webView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

    m_webView->setFocus();

}

void BrowserView::start()

{

    m_progress = 0;

    updateTitleBar();

    //m_titleBar->setText(m_webView->url().toString());

}

void BrowserView::setProgress(int percent)

{

    m_progress = percent;

    updateTitleBar();

    //m_titleBar->setText(QString("Loading %1%").arg(percent));

}

void BrowserView::updateTitleBar()

{

    QUrl url = m_webView->url();

    m_titleBar->setHost(url.host());

    m_titleBar->setTitle(m_webView->title());

    m_titleBar->setProgress(m_progress);

}

void BrowserView::finish(bool ok)

{

    m_progress = 0;

    updateTitleBar();

    // TODO: handle error

    if (!ok) {

        //m_titleBar->setText("Loading failed.");

    }

}

void BrowserView::zoomIn()

{

    int i = m_zoomLevels.indexOf(m_currentZoom);

    Q_ASSERT(i >= 0);

    if (i < m_zoomLevels.count() - 1)

        m_currentZoom = m_zoomLevels[i + 1];

    m_webView->setZoomFactor(static_cast<qreal>(m_currentZoom)/100.0);

}

void BrowserView::zoomOut()

{

    int i = m_zoomLevels.indexOf(m_currentZoom);

    Q_ASSERT(i >= 0);

    if (i > 0)

        m_currentZoom = m_zoomLevels[i - 1];

    m_webView->setZoomFactor(static_cast<qreal>(m_currentZoom)/100.0);

}

void BrowserView::resizeEvent(QResizeEvent *event)

{

    QWidget::resizeEvent(event);

    int h1 = m_titleBar->sizeHint().height();

    int h2 = m_controlStrip->sizeHint().height();

    m_titleBar->setGeometry(0, 0, width(), h1);

    m_controlStrip->setGeometry(0, height() - h2, width(), h2);

    m_webView->setGeometry(0, h1, width(), height() - h1);

    int zw = m_zoomStrip->sizeHint().width();

    int zh = m_zoomStrip->sizeHint().height();

    m_zoomStrip->move(width() - zw, (height() - zh) / 2);

}

void BrowserView::navigate(const QUrl &url)

{

    m_webView->load(url);

}