/****************************************************************************
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the demonstration applications of the Qt Toolkit.
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** This file may be used under the terms of the GNU Lesser General Public
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** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
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** file. Please review the following information to ensure the GNU General
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****************************************************************************/

#ifndef WEBVIEW_H
#define WEBVIEW_H

#include <QtWebKit/QWebView>

QT_BEGIN_NAMESPACE
class QAuthenticator;
class QMouseEvent;
class QNetworkProxy;
class QNetworkReply;
class QSslError;
QT_END_NAMESPACE

class BrowserMainWindow;
class WebPage : public QWebPage {
    Q_OBJECT

signals:
    void loadingUrl(const QUrl &url);

public:
    WebPage(QObject *parent = 0);
    BrowserMainWindow *mainWindow();

protected:
    bool acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type);
    QWebPage *createWindow(QWebPage::WebWindowType type);
#if !defined(QT_NO_UITOOLS)
    QObject *createPlugin(const QString &classId, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues);
#endif

private slots:
    void handleUnsupportedContent(QNetworkReply *reply);

private:
    friend class WebView;

    // set the webview mousepressedevent
    Qt::KeyboardModifiers m_keyboardModifiers;
    Qt::MouseButtons m_pressedButtons;
    bool m_openInNewTab;
    QUrl m_loadingUrl;
};

class WebView : public QWebView {
    Q_OBJECT

public:
    WebView(QWidget *parent = 0);
    WebPage *webPage() const { return m_page; }

    void loadUrl(const QUrl &url);
    QUrl url() const;

    QString lastStatusBarText() const;
    inline int progress() const { return m_progress; }

protected:
    void mousePressEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void contextMenuEvent(QContextMenuEvent *event);
    void wheelEvent(QWheelEvent *event);

private slots:
    void setProgress(int progress);
    void loadFinished();
    void setStatusBarText(const QString &string);
    void downloadRequested(const QNetworkRequest &request);
    void openLinkInNewTab();

private:
    QString m_statusBarText;
    QUrl m_initialUrl;
    int m_progress;
    WebPage *m_page;
};

#endif