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/*
* image.cpp
*
* Copyright (c) 2001, 2002, 2003 Frerich Raabe <raabe@kde.org>
*
* This program 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. For licensing and distribution details, check the
* accompanying file 'COPYING'.
*/
#include "image.h"
#include "tools_p.h"
#include <kio/job.h>
#include <kurl.h>
#include <qbuffer.h>
#include <qdom.h>
#include <qpixmap.h>
using namespace RSS;
struct Image::Private : public Shared
{
Private() : height(31), width(88), pixmapBuffer(NULL), job(NULL)
{ }
QString title;
KURL url;
KURL link;
QString description;
unsigned int height;
unsigned int width;
QBuffer *pixmapBuffer;
KIO::Job *job;
};
Image::Image() : QObject(), d(new Private)
{
}
Image::Image(const Image &other) : QObject(), d(0)
{
*this = other;
}
Image::Image(const QDomNode &node) : QObject(), d(new Private)
{
QString elemText;
if (!(elemText = extractNode(node, QString::fromLatin1("title"))).isNull())
d->title = elemText;
if (!(elemText = extractNode(node, QString::fromLatin1("url"))).isNull())
d->url = elemText;
if (!(elemText = extractNode(node, QString::fromLatin1("link"))).isNull())
d->link = elemText;
if (!(elemText = extractNode(node, QString::fromLatin1("description"))).isNull())
d->description = elemText;
if (!(elemText = extractNode(node, QString::fromLatin1("height"))).isNull())
d->height = elemText.toUInt();
if (!(elemText = extractNode(node, QString::fromLatin1("width"))).isNull())
d->width = elemText.toUInt();
}
Image::~Image()
{
if (d->deref())
{
delete d->pixmapBuffer;
d->pixmapBuffer=0L;
delete d;
}
}
QString Image::title() const
{
return d->title;
}
const KURL &Image::url() const
{
return d->url;
}
const KURL &Image::link() const
{
return d->link;
}
QString Image::description() const
{
return d->description;
}
unsigned int Image::height() const
{
return d->height;
}
unsigned int Image::width() const
{
return d->width;
}
void Image::getPixmap()
{
// Ignore subsequent calls if we didn't finish the previous download.
if (d->pixmapBuffer)
return;
d->pixmapBuffer = new QBuffer;
d->pixmapBuffer->open(IO_WriteOnly);
d->job = KIO::get(d->url, false, false);
connect(d->job, SIGNAL(data(KIO::Job *, const QByteArray &)),
this, SLOT(slotData(KIO::Job *, const QByteArray &)));
connect(d->job, SIGNAL(result(KIO::Job *)), this, SLOT(slotResult(KIO::Job *)));
}
void Image::slotData(KIO::Job *, const QByteArray &data)
{
d->pixmapBuffer->writeBlock(data.data(), data.size());
}
void Image::slotResult(KIO::Job *job)
{
QPixmap pixmap;
if (!job->error())
pixmap = QPixmap(d->pixmapBuffer->buffer());
emit gotPixmap(pixmap);
delete d->pixmapBuffer;
d->pixmapBuffer = NULL;
}
void Image::abort()
{
if (d->job)
{
d->job->kill(true);
d->job = NULL;
}
}
Image &Image::operator=(const Image &other)
{
if (this != &other) {
other.d->ref();
if (d && d->deref())
delete d;
d = other.d;
}
return *this;
}
bool Image::operator==(const Image &other) const
{
return d->title == other.title() &&
d->url == other.url() &&
d->description == other.description() &&
d->height == other.height() &&
d->width == other.width() &&
d->link == other.link();
}
#include "image.moc"
// vim:noet:ts=4
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