--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/rendering/RenderPart.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,122 @@
+/**
+ * This file is part of the KDE project.
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 2000 Simon Hausmann <hausmann@kde.org>
+ *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
+ * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
+ *
+ * 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 "config.h"
+#include "RenderPart.h"
+
+#include "Document.h"
+#include "Frame.h"
+#include "FrameTree.h"
+#include "FrameView.h"
+#include "HTMLFrameOwnerElement.h"
+#include "HTMLNames.h"
+#include "Page.h"
+#include "Settings.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+RenderPart::RenderPart(HTMLFrameOwnerElement* node)
+    : RenderWidget(node)
+{
+    // init RenderObject attributes
+    setInline(false);
+}
+
+RenderPart::~RenderPart()
+{
+    // Since deref ends up calling setWidget back on us, need to make sure
+    // that widget is already 0 so it won't do any work.
+    Widget* widget = m_widget;
+    m_widget = 0;
+    if (widget && widget->isFrameView())
+        static_cast<FrameView*>(widget)->deref();
+    else
+        delete widget;
+}
+
+void RenderPart::setWidget(Widget* widget)
+{
+    if (widget != m_widget) {
+        if (widget && widget->isFrameView())
+            static_cast<FrameView*>(widget)->ref();
+        RenderWidget::setWidget(widget);
+
+        // make sure the scrollbars are set correctly for restore
+        // ### find better fix
+        viewCleared();
+    }
+}
+
+void RenderPart::viewCleared()
+{
+}
+
+void RenderPart::deleteWidget()
+{
+    if (m_widget && m_widget->isFrameView())
+        static_cast<FrameView*>(m_widget)->deref();
+    else
+        delete m_widget;
+}
+
+// FIXME: This should not be necessary.  Remove this once WebKit knows to properly schedule
+// layouts using WebCore when objects resize.
+void RenderPart::updateWidgetPosition()
+{
+    if (!m_widget)
+        return;
+    
+    int x, y, width, height;
+    absolutePosition(x, y);
+    x += borderLeft() + paddingLeft();
+    y += borderTop() + paddingTop();
+    width = m_width - borderLeft() - borderRight() - paddingLeft() - paddingRight();
+    height = m_height - borderTop() - borderBottom() - paddingTop() - paddingBottom();
+    IntRect newBounds(x,y,width,height);
+    bool boundsChanged = newBounds != m_widget->frameGeometry();
+    if (boundsChanged) {
+        // The widget changed positions.  Update the frame geometry.
+        RenderArena *arena = ref();
+        element()->ref();
+        m_widget->setFrameGeometry(newBounds);
+        element()->deref();
+        deref(arena);
+    }
+
+    // if the frame bounds got changed, or if view needs layout (possibly indicating
+    // content size is wrong) we have to do a layout to set the right widget size
+#if PLATFORM(SYMBIAN)
+    if (m_widget && m_widget->isFrameView() && ((!((FrameView*)m_widget)->frame()->settings()->flatFrameSetLayoutEnabled()) || !((FrameView*)m_widget)->frame()->tree()->parent()->isFrameSet())) {
+#else
+    if (m_widget && m_widget->isFrameView()) {
+#endif
+        FrameView* frameView = static_cast<FrameView*>(m_widget);
+        if (boundsChanged || frameView->needsLayout())
+            frameView->layout();
+    }
+}
+
+}