/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Messaging Framework.
**
** $QT_BEGIN_LICENSE:LGPL21$
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** following information to ensure the GNU Lesser General Public License
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****************************************************************************/

#ifndef BROWSERWIDGET_H
#define BROWSERWIDGET_H

#include <qmailaddress.h>
#include <QList>
#include <QSet>
#include <QString>
#include <QUrl>
#include <QWidget>

class QMailMessage;
class QMailMessagePart;
class QMailMessagePartContainer;
#ifdef USE_WEBKIT
class ContentAccessManager;
class QWebView;
#else
class ContentRenderer;
#endif

class BrowserWidget : public QWidget
{
    Q_OBJECT

public:
    BrowserWidget(QWidget *parent = Q_NULLPTR);

#ifndef USE_WEBKIT
    void setResource(const QUrl& name, QVariant var);
#endif

    void clearResources();

    void setMessage( const QMailMessage& mail, bool plainTextMode );

    QList<QString> embeddedNumbers() const;

    static QString encodeUrlAndMail(const QString& txt);

    void scrollToAnchor(const QString& anchor);
    void setPlainText(const QString& text);

    void addAction(QAction* action);
    void addActions(const QList<QAction*>& actions);
    void removeAction(QAction* action);

signals:
    void anchorClicked(const QUrl&);

public slots:
    virtual void setSource(const QUrl &name);

private slots:
    void contextMenuRequested(const QPoint& pos);

private:
    void displayPlainText(const QMailMessage* mail);
    void displayHtml(const QMailMessage* mail);

    void setTextResource(const QSet<QUrl>& names, const QString& textData, const QString &contentType);
    void setImageResource(const QSet<QUrl>& names, const QByteArray& imageData, const QString &contentType);
    void setPartResource(const QMailMessagePart& part);

    QString renderSimplePart(const QMailMessagePart& part);
    QString renderAttachment(const QMailMessagePart& part);
    QString renderPart(const QMailMessagePart& part);
    QString renderMultipart(const QMailMessagePartContainer& partContainer);

    QString describeMailSize(uint bytes) const;
    QString formatText(const QString& txt) const;
    QString smsBreakReplies(const QString& txt) const;
    QString noBreakReplies(const QString& txt) const;
    QString handleReplies(const QString& txt) const;
    QString buildParagraph(const QString& txt, const QString& prepend, bool preserveWs = false) const;
    static QString listRefMailTo(const QList<QMailAddress>& list);
    static QString refMailTo(const QMailAddress& address);
    static QString refNumber(const QString& number);
    static QString refUrl(const QString& url, const QString& scheme, const QString& leading, const QString& trailing);

private:
    QString (BrowserWidget::*replySplitter)(const QString&) const;
    mutable QList<QString> numbers;
#ifdef USE_WEBKIT
    ContentAccessManager *m_accessManager;
    QWebView* m_webView;
#else
    ContentRenderer *m_renderer;
#endif

private:
    friend class GenericComposer;
};

#endif