plasma-framework/widgets/webview.cpp

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/*
* Copyright 2006-2007 Aaron Seigo <aseigo@kde.org>
* Copyright 2010 Davide Bettio <davide.bettio@kdemail.net>
*
* This program 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, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <QtGui/QApplication>
#include <QtGui/QStyleOptionGraphicsItem>
#include <fixx11h.h>
#include <QtWebKit/QWebFrame>
#include <QtWebKit/QWebPage>
#include <QtCore/QTimer>
#include <kdebug.h>
#include <kgraphicswebview.h>
#include <kio/accessmanager.h>
#include <accessmanager.h>
#include "animator.h"
#include "plasma.h"
#include "widgets/webview.h"
#include "widgets/scrollwidget.h"
#include "private/animablegraphicswebview_p.h"
namespace Plasma
{
class WebViewPrivate
{
public:
WebViewPrivate(WebView *parent)
: q(parent)
{
}
void loadingFinished(bool success);
void dragTimeoutExpired();
WebView *q;
AnimableGraphicsWebView *webView;
ScrollWidget *scrollWidget;
bool loaded;
};
WebView::WebView(QGraphicsItem *parent)
: QGraphicsWidget(parent),
d(new WebViewPrivate(this))
{
d->loaded = false;
setAcceptTouchEvents(true);
setAcceptsHoverEvents(true);
setFlags(QGraphicsItem::ItemIsFocusable);
d->scrollWidget = new Plasma::ScrollWidget(this);
d->webView = new AnimableGraphicsWebView(d->scrollWidget);
d->scrollWidget->setWidget(d->webView);
d->scrollWidget->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
d->scrollWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setDragToScroll(false);
QPalette palette = qApp->palette();
palette.setBrush(QPalette::Base, Qt::transparent);
d->webView->page()->setPalette(palette);
connect(d->webView, SIGNAL(loadProgress(int)),
this, SIGNAL(loadProgress(int)));
connect(d->webView, SIGNAL(loadFinished(bool)),
this, SLOT(loadingFinished(bool)));
}
WebView::~WebView()
{
delete d;
}
void WebView::setUrl(const KUrl &url)
{
d->loaded = false;
d->webView->load(url);
}
KUrl WebView::url() const
{
return d->webView->url();
}
void WebView::setHtml(const QByteArray &html, const KUrl &baseUrl)
{
d->loaded = false;
d->webView->setContent(html, QString(), baseUrl);
}
void WebView::setHtml(const QString &html, const KUrl &baseUrl)
{
d->loaded = false;
d->webView->setHtml(html, baseUrl);
}
QString WebView::html() const
{
return d->webView->page()->mainFrame()->toHtml();
}
QRectF WebView::geometry() const
{
if (d->loaded) {
return QRectF(pos(), d->webView->page()->mainFrame()->geometry().size());
} else {
return QGraphicsWidget::geometry();
}
}
QSizeF WebView::contentsSize() const
{
return d->webView->page()->mainFrame()->contentsSize();
}
void WebView::setScrollPosition(const QPointF &position)
{
d->webView->setScrollPosition(position);
}
QPointF WebView::scrollPosition() const
{
return d->webView->scrollPosition();
}
QRectF WebView::viewportGeometry() const
{
return d->webView->page()->mainFrame()->geometry();
}
qreal WebView::zoomFactor() const
{
return d->webView->zoomFactor();
}
void WebView::setZoomFactor(const qreal zoom)
{
d->webView->setZoomFactor(zoom);
}
void WebView::setPage(QWebPage *page)
{
d->webView->setPage(page);
}
QWebPage *WebView::page() const
{
return d->webView->page();
}
QWebFrame *WebView::mainFrame() const
{
return d->webView->page()->mainFrame();
}
void WebView::setDragToScroll(bool drag)
{
d->webView->setDragToScroll(drag);
d->scrollWidget->setFiltersChildEvents(drag);
}
bool WebView::dragToScroll()
{
return d->webView->dragToScroll();
}
void WebView::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
QGraphicsWidget::paint(painter, option, widget);
}
void WebView::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsWidget::mouseMoveEvent(event);
}
void WebView::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
QGraphicsWidget::hoverMoveEvent(event);
}
void WebView::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsWidget::mousePressEvent(event);
}
void WebView::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsWidget::mouseDoubleClickEvent(event);
}
void WebView::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsWidget::mouseReleaseEvent(event);
}
void WebView::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
QGraphicsWidget::contextMenuEvent(event);
}
void WebView::wheelEvent(QGraphicsSceneWheelEvent *event)
{
QGraphicsWidget::wheelEvent(event);
}
void WebView::keyPressEvent(QKeyEvent * event)
{
QGraphicsWidget::keyPressEvent(event);
}
void WebView::keyReleaseEvent(QKeyEvent * event)
{
QGraphicsWidget::keyReleaseEvent(event);
}
void WebView::focusInEvent(QFocusEvent * event)
{
QGraphicsWidget::focusInEvent(event);
}
void WebView::focusOutEvent(QFocusEvent * event)
{
QGraphicsWidget::focusOutEvent(event);
}
void WebView::dragEnterEvent(QGraphicsSceneDragDropEvent * event)
{
QGraphicsWidget::dragEnterEvent(event);
}
void WebView::dragLeaveEvent(QGraphicsSceneDragDropEvent * event)
{
QGraphicsWidget::dragLeaveEvent(event);
}
void WebView::dragMoveEvent(QGraphicsSceneDragDropEvent * event)
{
QGraphicsWidget::dragMoveEvent(event);
}
void WebView::dropEvent(QGraphicsSceneDragDropEvent * event)
{
QGraphicsWidget::dropEvent(event);
}
QVariant WebView::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (change == QGraphicsItem::ItemSceneHasChanged) {
//FIXME: QWebPage _requires_ a QWidget view to not crash in places such as
// WebCore::PopupMenu::show() due to hostWindow()->platformPageClient() == NULL
// because QWebPage::d->client is NULL
//d->webView->page()->setView(viewFor(this));
}
return QGraphicsWidget::itemChange(change, value);
}
void WebView::setGeometry(const QRectF &geometry)
{
QGraphicsWidget::setGeometry(geometry);
d->scrollWidget->setGeometry(QRectF(0, 0, geometry.width(), geometry.height()));
d->webView->setGeometry(d->scrollWidget->viewportGeometry());
}
QSizeF WebView::sizeHint(Qt::SizeHint which, const QSizeF & constraint) const
{
if (which == Qt::PreferredSize) {
return d->webView->page()->mainFrame()->contentsSize();
} else {
return QGraphicsWidget::sizeHint(which, constraint);
}
}
void WebViewPrivate::loadingFinished(bool success)
{
loaded = success;
q->updateGeometry();
emit q->loadFinished(success);
q->update();
}
} // namespace Plasma
#include "webview.moc"