Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 118 insertions, 0 deletions

diff --git a/kioslave/thumbnail/htmlcreator.cpp b/kioslave/thumbnail/htmlcreator.cpp
new file mode 100644
index 000000000..0431bcf6e
--- /dev/null
+++ b/kioslave/thumbnail/htmlcreator.cpp
@@ -0,0 +1,118 @@
+/*  This file is part of the KDE libraries
+    Copyright (C) 2000 Malte Starostik <malte@kde.org>
+    Copyright (C) 2006 Roberto Cappuccio <roberto.cappuccio@gmail.com>
+
+    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.
+*/
+
+#include <time.h>
+#include <qpixmap.h>
+#include <qimage.h>
+#include <qpainter.h>
+#include <kapplication.h>
+#include <khtml_part.h>
+
+#include "htmlcreator.h"
+
+extern "C"
+{
+    KDE_EXPORT ThumbCreator *new_creator()
+    {
+        return new HTMLCreator;
+    }
+}
+
+HTMLCreator::HTMLCreator()
+    : m_html(0)
+{
+}
+
+HTMLCreator::~HTMLCreator()
+{
+    delete m_html;
+}
+
+bool HTMLCreator::create(const QString &path, int width, int height, QImage &img)
+{
+    if (!m_html)
+    {
+        m_html = new KHTMLPart;
+        connect(m_html, SIGNAL(completed()), SLOT(slotCompleted()));
+        m_html->setJScriptEnabled(false);
+        m_html->setJavaEnabled(false);
+        m_html->setPluginsEnabled(false);
+        m_html->setMetaRefreshEnabled(false);
+        m_html->setOnlyLocalReferences(true);
+    }
+    KURL url;
+    url.setPath(path);
+    m_html->openURL(url);
+
+    int t = startTimer(5000);
+
+    qApp->enter_loop();
+
+    killTimer(t);
+
+    // render the HTML page on a bigger pixmap and use smoothScale,
+    // looks better than directly scaling with the QPainter (malte)
+    QPixmap pix;
+    if (width > 400 || height > 600)
+    {
+        if (height * 3 > width * 4)
+            pix.resize(width, width * 4 / 3);
+        else
+            pix.resize(height * 3 / 4, height);
+    }
+    else
+        pix.resize(400, 600);
+
+    // light-grey background, in case loadind the page failed
+    pix.fill( QColor( 245, 245, 245 ) );
+
+    int borderX = pix.width() / width, borderY = pix.height() / height;
+    QRect rc(borderX, borderY, pix.width() - borderX * 2,
+             pix.height() - borderY * 2);
+
+    QPainter p;
+    p.begin(&pix);
+    m_html->paint(&p, rc);
+    p.end();
+
+    img = pix.convertToImage();
+
+    m_html->closeURL();
+
+    return true;
+}
+
+void HTMLCreator::timerEvent(QTimerEvent *)
+{
+    qApp->exit_loop();
+}
+
+void HTMLCreator::slotCompleted()
+{
+    qApp->exit_loop();
+}
+
+ThumbCreator::Flags HTMLCreator::flags() const
+{
+    return DrawFrame;
+}
+
+#include "htmlcreator.moc"
+