kde-extraapps/syndication/rss2/image.h

/*
 * This file is part of the syndication library
 *
 * Copyright (C) 2005 Frank Osterfeld <osterfeld@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#ifndef SYNDICATION_RSS2_IMAGE_H
#define SYNDICATION_RSS2_IMAGE_H

#include <syndication/elementwrapper.h>

class QDomElement;
class QString;

namespace Syndication {
namespace RSS2 {

/**
 * An RSS2 image, used to describe feed logos.
 */
class SYNDICATION_EXPORT Image : public ElementWrapper
{
    public:

        /**
         * Default constructor, creates a null object, for which isNull() is
         * @c true.
         */
        Image();

        /**
         * Creates an Image object wrapping an @c &lt;image> XML element.
         *
         * @param element The @c &lt;image> element to wrap
         */
        explicit Image(const QDomElement& element);

        /**
         * the URL of a GIF, JPEG or PNG image
         */
        QString url() const;

        /**
         * Describes the image, can be used in the ALT attribute of the
         * HTML @c &lt;img> tag when the channel is rendered in HTML.
         *
         * @return TODO: specify format
         */
        QString title() const;

        /**
         * The URL of the site, when the channel is rendered, the image should
         * be a link to the site.
         */
        QString link() const;

        /**
         * The width of the image. If the feed itself doesn't specify a width,
         * this method returns 88, the default value.
         *
         * @return image width in pixels.
         */
        uint width() const;

        /**
         * The height of the image. If the feed itself doesn't specify a height,
         * this method returns 31, the default value.
         *
         * @return image height in pixels.
         */
        uint height() const;

        /**
         * optional text that can be included in the TITLE attribute of the link
         * formed around the image in HTML rendering.
         *
         * @return TODO: specify format (HTML etc.)
         */
        QString description() const;

        /**
         * Returns a description of the object for debugging purposes.
         *
         * @return debug string
         */
        QString debugInfo() const;
};

} // namespace RSS2
}  // namespace Syndication

#endif // SYNDICATION_RSS2_IMAGE_H