/*
  This file is part of the PhantomJS project from Ofi Labs.

  Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
  Copyright (C) 2010 Ariya Hidayat <ariya.hidayat@gmail.com>

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of the <organization> nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef WEBPAGE_H
#define WEBPAGE_H

#include <QMap>
#include <QWebPage>
#include <QVariantMap>

class CustomPage;
class Phantom;

class WebPage: public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString content READ content WRITE setContent)
    Q_PROPERTY(QVariantMap viewportSize READ viewportSize WRITE setViewportSize)
    Q_PROPERTY(QVariantMap paperSize READ paperSize WRITE setPaperSize)
    Q_PROPERTY(QVariantMap clipRect READ clipRect WRITE setClipRect)

public:
    WebPage(QObject *parent = 0);

    QWebFrame *mainFrame();
    void setNetworkAccessManager(QNetworkAccessManager *networkAccessManager);

    QString content() const;
    void setContent(const QString &content);

    void setViewportSize(const QVariantMap &size);
    QVariantMap viewportSize() const;

    void setClipRect(const QVariantMap &size);
    QVariantMap clipRect() const;

    void setPaperSize(const QVariantMap &size);
    QVariantMap paperSize() const;


public slots:
    void openUrl(const QString &address, const QVariant &op, const QVariantMap &settings);
    QVariant evaluate(const QString &code);
    bool render(const QString &fileName);

signals:
    void loadStatusChanged(const QString &status);
    void javaScriptAlertSent(const QString &msg);
    void javaScriptConsoleMessageSent(const QString &msg);

private slots:
    void finish(bool ok);

private:
    CustomPage *m_webPage;
    QWebFrame *m_mainFrame;
    QRect m_clipRect;
    QVariantMap m_paperSize; // For PDF output via render()

    QImage renderImage();
    bool renderPdf(const QString &fileName);
    void applySettings(const QVariantMap &defaultSettings);
    QString userAgent() const;

    void emitAlert(const QString &msg);
    void emitConsoleMessage(const QString &msg);

    friend class Phantom;
    friend class CustomPage;
};

#endif // WEBPAGE_H