// This file is part of RSS Guard.
//
// Copyright (C) 2011-2015 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard 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 3 of the License, or
// (at your option) any later version.
//
// RSS Guard 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.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.

#ifndef WEBPAGE_H
#define WEBPAGE_H

#include <QWebPage>
#include <QNetworkAccessManager>


class AdBlockRule;

class WebPage : public QWebPage {
    Q_OBJECT

  public:
    struct AdBlockedEntry {
        const AdBlockRule *rule;
        QUrl url;

        bool operator==(const AdBlockedEntry &other) const {
          return (this->rule == other.rule && this->url == other.url);
        }
    };

    // Constructors and destructors.
    explicit WebPage(QObject *parent = 0);
    virtual ~WebPage();

    QString toHtml() const;
    QString toPlainText() const;

    void populateNetworkRequest(QNetworkRequest &request);

    bool isLoading() const;

    static bool isPointerSafeToUse(WebPage *page);
    void addAdBlockRule(const AdBlockRule *rule, const QUrl &url);
    QVector<AdBlockedEntry> adBlockedEntries() const;


  private slots:
    void progress(int prog);
    void finished();
    void cleanBlockedObjects();
    void urlChanged(const QUrl &url);

    void handleUnsupportedContent(QNetworkReply *reply);

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

  private:
    QVector<AdBlockedEntry> m_adBlockedEntries;
    int m_loadProgress;

    static QList<WebPage*> s_livingPages;
};

#endif // WEBPAGE_H