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/*
* Copyright (c) 2009 Cyrille Berger <cberger@cberger.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version of the License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "WebShape.h"
#include <QBuffer>
// #include <QFile>
#include <QPainter>
#include <QSvgGenerator>
#include <QSvgRenderer>
#include <QWebPage>
#include <QWebFrame>
#include <KoShapeSavingContext.h>
#include <KoViewConverter.h>
#include <KoXmlWriter.h>
#include <KoXmlReader.h>
#include <kdebug.h>
#include <../../src/Xml.h>
WebShape::WebShape() : m_webPage(new QWebPage), m_cached(false), m_cacheLocked(false), m_loaded(false), m_firstLoad(false), m_zoom(1.0), m_scrollPosition(0, 0)
{
m_webPage->mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);
m_webPage->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
connect(m_webPage, SIGNAL(loadFinished(bool)), SLOT(loadFinished(bool)));
}
WebShape::~WebShape()
{
}
void WebShape::paint(QPainter &painter,
const KoViewConverter &converter, KoShapePaintingContext &)
{
QRectF target = converter.documentToView(QRectF(QPointF(0, 0), size()));
m_webPage->setViewportSize(target.size().toSize());
qreal cz = target.width() / size().width();
m_webPage->mainFrame()->setZoomFactor(m_zoom * cz);
m_webPage->mainFrame()->setScrollPosition(m_scrollPosition.toPoint());
m_webPage->mainFrame()->render(&painter);
}
void WebShape::saveOdf(KoShapeSavingContext & context) const
{
KoXmlWriter &writer = context.xmlWriter();
writer.startElement("braindump:web");
Xml::writeBraindumpNS(writer);
writer.addAttribute("url", m_url.url());
writer.addAttribute("scroll_x", m_scrollPosition.x());
writer.addAttribute("scroll_y", m_scrollPosition.y());
writer.addAttribute("zoom", m_zoom);
saveOdfAttributes(context, OdfAllAttributes);
saveOdfCommonChildElements(context);
if(m_cached) {
writer.addAttribute("cached", "true");
}
writer.startElement("cache");
writer.addTextNode(m_cache); // Save after the attribute otherwise it is seen as
writer.endElement(); // Cache
writer.endElement(); // braindump:web
}
bool WebShape::loadOdf(const KoXmlElement & element, KoShapeLoadingContext &context)
{
loadOdfAttributes(element, context, OdfAllAttributes);
m_url = element.attribute("url");
m_scrollPosition.setX(element.attribute("scroll_x", "0").toDouble());
m_scrollPosition.setY(element.attribute("scroll_y", "0").toDouble());
m_zoom = element.attribute("zoom", "1.0").toDouble();
if(element.attribute("cached") == "true") {
m_cached = true;
m_cacheLocked = true;
} else {
m_cached = false;
m_cacheLocked = false;
}
KoXmlElement childElement;
forEachElement(childElement, element) {
if(childElement.tagName() == "cache") {
m_cache = childElement.text();
m_firstLoad = true;
m_webPage->mainFrame()->setContent(m_cache.toUtf8());
}
}
if(!m_cached) {
setUrl(m_url);
}
return true;
}
const KUrl& WebShape::url()
{
return m_url;
}
void WebShape::setUrl(const KUrl& _url)
{
m_url = _url;
m_webPage->mainFrame()->load(_url);
notifyChanged();
update();
m_loaded = false;
m_cacheLocked = false;
}
void WebShape::loadFinished(bool)
{
update();
m_loaded = true;
if(!m_cacheLocked) {
updateCache();
}
m_firstLoad = false;
}
void WebShape::updateCache()
{
m_cache = m_webPage->mainFrame()->toHtml();
m_cacheLocked = true;
}
bool WebShape::isCached() const
{
return m_cached;
}
void WebShape::setCached(bool _cache)
{
m_cached = _cache;
if(m_cached) {
m_cacheLocked = false;
if(m_loaded) {
updateCache();
}
} else {
m_webPage->mainFrame()->load(m_url);
}
update();
}
void WebShape::setCache(const QString& _cache)
{
m_cache = _cache;
m_cacheLocked = true;
m_webPage->mainFrame()->setContent(_cache.toUtf8());
update();
}
const QString& WebShape::cache() const
{
return m_cache;
}
void WebShape::scrollOf(const QPointF& _scroll)
{
m_scrollPosition += _scroll / m_zoom;
}
void WebShape::zoomOf(qreal z)
{
m_zoom *= z;
if(m_zoom <= 0.01) m_zoom = 0.01;
}
QPointF WebShape::scroll() const
{
return m_scrollPosition;
}
void WebShape::setScroll(const QPointF& point)
{
m_scrollPosition = point;
}
qreal WebShape::zoom() const
{
return m_zoom;
}
void WebShape::setZoom(qreal _zoom)
{
m_zoom = _zoom;
}
#include "WebShape.moc"
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