qgswebview.h

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/***************************************************************************
 
               ----------------------------------------------------
              date                 : 19.5.2015
              copyright            : (C) 2015 by Matthias Kuhn
              email                : matthias (at) opengis.ch
 ***************************************************************************
 *                                                                         *
 *   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 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSWEBVIEW_H
#define QGSWEBVIEW_H
 
 
#include "qgswebpage.h"
 
#include <QTextBrowser>
#include <QWidget>
 
#define SIP_NO_FILE
 
class QPrinter;

class CORE_EXPORT QgsWebView : public QTextBrowser
{
    Q_OBJECT
  public:
    explicit QgsWebView( QWidget *parent = nullptr )
      : QTextBrowser( parent )
      , mSettings( std::make_unique<QWebSettings>() )
      , mPage( std::make_unique<QWebPage>( this ) )
    {
      connect( this, &QTextBrowser::anchorClicked, this, &QgsWebView::linkClicked );
      connect( this, &QgsWebView::pageLoadFinished, mPage.get(), &QWebPage::loadFinished );
    }
 
    ~QgsWebView() override {}
 
    void setUrl( const QUrl &url ) { setSource( url ); }
 
    void load( const QUrl &url ) { setSource( url ); }
 
    QUrl url() const { return source(); }
 
    QWebPage *page() const { return mPage.get(); }
 
    QWebSettings *settings() const { return mSettings.get(); }
 
    virtual QgsWebView *createWindow( QWebPage::WebWindowType ) { return new QgsWebView(); }
 
    void setContent( const QByteArray &data, const QString &contentType, const QUrl & )
    {
      QString text = QString::fromUtf8( data );
      if ( contentType == "text/html" )
        setHtml( text );
      else
        setPlainText( text );
 
      emit pageLoadFinished( true );
    }
 
    void print( QPrinter * ) {}
 
  signals:
    void linkClicked( const QUrl &link );
 
    void pageLoadFinished( bool ok );
 
  public slots:
 
    void setHtml( const QString &text )
    {
      QTextBrowser::setHtml( text );
      emit pageLoadFinished( true );
    }
 
    void setText( const QString &text )
    {
      QTextBrowser::setText( text );
      emit pageLoadFinished( true );
    }
 
  private:
    std::unique_ptr<QWebSettings> mSettings;
    std::unique_ptr<QWebPage> mPage;

};
 
#endif // QGSWEBVIEW_H