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/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
* Copyright (C) 2008-2009 by Andrea Diamantini <adjam7 at gmail dot com>
* Copyright (C) 2009 rekonq team. Please, see AUTHORS file for details
*
*
* 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

// KDE Includes
#include <KUrl>

// Qt Includes
#include <QWebPage>

// Forward Declarations
class MainWindow;
class Application;

class KActionCollection;

class QWebFrame;
class QAuthenticator;
class QMouseEvent;
class QNetworkProxy;
class QNetworkReply;
class QSslError;


class WebPage : public QWebPage
{
    Q_OBJECT

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

public:
    WebPage(QObject *parent = 0);
    ~WebPage();

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

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;
};


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

// Qt Includes
#include <QWebView>


class WebView : public QWebView
{
    Q_OBJECT

public:
    WebView(QWidget *parent = 0);
    WebPage *webPage() const { return m_page; }
    
    KActionCollection* webActions();
 
    void loadUrl(const KUrl &url);
    KUrl url() const;

    QString lastStatusBarText() const { return m_statusBarText; }
    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) { m_progress = progress; }
    void loadFinished();
    void setStatusBarText(const QString &string) { m_statusBarText = string; }
    void downloadRequested(const QNetworkRequest &request);
    void openLinkInNewTab();

private:
    static KActionCollection* s_webActionCollection;
        
    WebPage *m_page;
    
    int m_progress;
    QString m_statusBarText;
    KUrl m_initialUrl;
};

#endif