We have thumbnails! Hugh!

1 files changed, 88 insertions, 0 deletions

diff --git a/src/websnap.cpp b/src/websnap.cpp
new file mode 100644
index 00000000..8bacd3b2
--- /dev/null
+++ b/src/websnap.cpp
@@ -0,0 +1,88 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2009 Nokia Corporation <qt-info@nokia.com>
+* Copyright (C) 2009 by Andrea Diamantini <adjam7 at gmail dot com>
+*
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy 
+* defined in Section 14 of version 3 of the license.
+* 
+* 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 General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+
+#include "websnap.h"
+#include "websnap.moc"
+
+#include <KDebug>
+#include <KStandardDirs>
+
+#include <QSize>
+#include <QWebFrame>
+#include <QPainter>
+#include <QTimer>
+
+
+WebSnap::WebSnap(const KUrl &url, const QString &fileName)
+    : QObject()
+    , m_url(url)
+    , m_image(QImage())
+    , m_fileName(fileName)
+{
+    m_targetSize = QSize(200, 150);
+    connect(&m_page, SIGNAL(loadFinished(bool)), this, SLOT(saveResult(bool)));
+    QTimer::singleShot(0, this, SLOT(load()));
+
+}
+
+
+void WebSnap::load()
+{
+    m_page.mainFrame()->load(m_url);
+}
+
+
+void WebSnap::saveResult(bool ok)
+{
+    // crude error-checking
+    if (!ok) 
+    {
+        kDebug() << "Error loading site..";
+        emit finished();
+        return;
+    }
+
+    // find proper size, we stick to sensible aspect ratio
+    QSize size = m_page.mainFrame()->contentsSize();
+    size.setHeight(size.width() * m_targetSize.height() / m_targetSize.width());
+    
+    // create the target surface
+    m_image = QImage( size , QImage::Format_ARGB32_Premultiplied);
+    m_image.fill(Qt::transparent);
+
+    // render and rescale
+    QPainter p(&m_image);
+    m_page.setViewportSize(m_page.mainFrame()->contentsSize());
+    m_page.mainFrame()->render(&p);
+    p.end();
+    m_image = m_image.scaled(m_targetSize, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+
+    QString path = KStandardDirs::locateLocal("cache", QString("thumbs/") + m_fileName, true);
+    m_image.save( path );
+
+    emit finished();
+}