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168 lines
3.4 KiB
168 lines
3.4 KiB
/*
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* image.cpp
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*
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* Copyright (c) 2001, 2002, 2003 Frerich Raabe <raabe@kde.org>
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the
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* accompanying file 'COPYING'.
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*/
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#include "image.h"
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#include "tools_p.h"
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#include <kio/job.h>
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#include <kurl.h>
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#include <tqbuffer.h>
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#include <tqdom.h>
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#include <tqpixmap.h>
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using namespace RSS;
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struct Image::Private : public Shared
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{
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Private() : height(31), width(88), pixmapBuffer(NULL), job(NULL)
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{ }
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TQString title;
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KURL url;
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KURL link;
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TQString description;
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unsigned int height;
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unsigned int width;
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TQBuffer *pixmapBuffer;
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KIO::Job *job;
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};
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Image::Image() : TQObject(), d(new Private)
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{
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}
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Image::Image(const Image &other) : TQObject(), d(0)
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{
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*this = other;
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}
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Image::Image(const TQDomNode &node) : TQObject(), d(new Private)
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{
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TQString elemText;
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if (!(elemText = extractNode(node, TQString::fromLatin1("title"))).isNull())
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d->title = elemText;
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if (!(elemText = extractNode(node, TQString::fromLatin1("url"))).isNull())
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d->url = elemText;
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if (!(elemText = extractNode(node, TQString::fromLatin1("link"))).isNull())
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d->link = elemText;
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if (!(elemText = extractNode(node, TQString::fromLatin1("description"))).isNull())
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d->description = elemText;
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if (!(elemText = extractNode(node, TQString::fromLatin1("height"))).isNull())
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d->height = elemText.toUInt();
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if (!(elemText = extractNode(node, TQString::fromLatin1("width"))).isNull())
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d->width = elemText.toUInt();
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}
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Image::~Image()
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{
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if (d->deref())
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{
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delete d->pixmapBuffer;
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d->pixmapBuffer=0L;
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delete d;
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}
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}
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TQString Image::title() const
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{
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return d->title;
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}
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const KURL &Image::url() const
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{
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return d->url;
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}
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const KURL &Image::link() const
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{
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return d->link;
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}
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TQString Image::description() const
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{
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return d->description;
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}
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unsigned int Image::height() const
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{
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return d->height;
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}
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unsigned int Image::width() const
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{
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return d->width;
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}
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void Image::getPixmap()
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{
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// Ignore subsequent calls if we didn't finish the previous download.
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if (d->pixmapBuffer)
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return;
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d->pixmapBuffer = new TQBuffer;
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d->pixmapBuffer->open(IO_WriteOnly);
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d->job = KIO::get(d->url, false, false);
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connect(d->job, TQT_SIGNAL(data(KIO::Job *, const TQByteArray &)),
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this, TQT_SLOT(slotData(KIO::Job *, const TQByteArray &)));
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connect(d->job, TQT_SIGNAL(result(KIO::Job *)), this, TQT_SLOT(slotResult(KIO::Job *)));
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}
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void Image::slotData(KIO::Job *, const TQByteArray &data)
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{
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d->pixmapBuffer->writeBlock(data.data(), data.size());
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}
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void Image::slotResult(KIO::Job *job)
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{
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TQPixmap pixmap;
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if (!job->error())
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pixmap = TQPixmap(d->pixmapBuffer->buffer());
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emit gotPixmap(pixmap);
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delete d->pixmapBuffer;
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d->pixmapBuffer = NULL;
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}
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void Image::abort()
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{
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if (d->job)
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{
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d->job->kill(true);
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d->job = NULL;
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}
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}
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Image &Image::operator=(const Image &other)
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{
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if (this != &other) {
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other.d->ref();
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if (d && d->deref())
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delete d;
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d = other.d;
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}
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return *this;
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}
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bool Image::operator==(const Image &other) const
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{
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return d->title == other.title() &&
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d->url == other.url() &&
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d->description == other.description() &&
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d->height == other.height() &&
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d->width == other.width() &&
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d->link == other.link();
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}
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#include "image.moc"
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// vim:noet:ts=4
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