/* ============================================================
 *
 * This file is a part of the rekonq project
 *
 * Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
 * Copyright (C) 2008 by Andrea Diamantini <adjam7 at gmail dot com>
 *
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */

#ifndef WEBVIEW_H
#define WEBVIEW_H

#include <KUrl>

#include <QWebView>

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

class MainWindow;


class WebPage : public QWebPage 
{
    Q_OBJECT

signals:
    void loadingUrl(const QUrl &url);   // WARNING has to be QUrl!!

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

protected:
    bool acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type);
    QWebPage *createWindow(QWebPage::WebWindowType type);

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;
    KUrl m_loadingUrl;
};


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


class WebView : public QWebView 
{
    Q_OBJECT

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

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

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

signals:
    // switching tabs
    void ctrlTabPressed();
    void shiftCtrlTabPressed();

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

    /** 
    * FIlters (SHIFT + ) CTRL + TAB events and emit (shift)ctrlTabPressed()
    * to make switch tab 
    */
    void keyPressEvent(QKeyEvent *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;
    KUrl m_initialUrl;
    int m_progress;
    WebPage *m_page;
};

#endif