/**
* 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 "RenderFrame.h"
#include "RenderFrameSet.h"
#include "FrameView.h"
#include "HTMLFrameSetElement.h"
#include "HTMLNames.h"
#if PLATFORM(SYMBIAN)
#include "Document.h"
#include "Frame.h"
#include "renderView.h"
#include "FrameView.h"
#include "ScrollTypes.h"
#endif
namespace WebCore {
using namespace HTMLNames;
RenderFrame::RenderFrame(HTMLFrameElement* frame)
: RenderPart(frame)
{
setInline(false);
}
FrameEdgeInfo RenderFrame::edgeInfo() const
{
return FrameEdgeInfo(element()->noResize(), element()->hasFrameBorder());
}
void RenderFrame::viewCleared()
{
if (element() && m_widget && m_widget->isFrameView()) {
FrameView* view = static_cast<FrameView*>(m_widget);
int marginw = element()->getMarginWidth();
int marginh = element()->getMarginHeight();
if (marginw != -1)
view->setMarginWidth(marginw);
if (marginh != -1)
view->setMarginHeight(marginh);
}
}
void RenderFrame::layoutWithFlattening(bool flexibleWidth, bool flexibleHeight)
{
FrameView* childFrameView = static_cast<FrameView*>(m_widget);
RenderFrame* childRoot = (RenderFrame*)(childFrameView ? childFrameView->frame()->renderer() : 0);
// don't expand frames set to have zero width or height
if (!m_width || !m_height || !childRoot) {
updateWidgetPosition();
if (childFrameView)
childFrameView->layout();
setNeedsLayout(false);
return;
}
// expand the frame by setting frame height = content height
// need to update to calculate min/max correctly
updateWidgetPosition();
if (childRoot->prefWidthsDirty())
childRoot->calcPrefWidths();
bool scrolling = element()->scrollingMode() != ScrollbarAlwaysOff;
// if scrollbars are off assume it is ok for this frame to become really narrow
if (scrolling || flexibleWidth || childFrameView->frame()->isFrameSet())
m_width = max(m_width, childRoot->minPrefWidth());
// update again to pass the width to the child frame
updateWidgetPosition();
childFrameView->layout();
if (scrolling || flexibleHeight || childFrameView->frame()->isFrameSet())
m_height = max(m_height, childFrameView->contentsHeight());
if (scrolling || flexibleWidth || childFrameView->frame()->isFrameSet())
m_width = max(m_width, childFrameView->contentsWidth());
updateWidgetPosition();
ASSERT(!childFrameView->layoutPending());
ASSERT(!childRoot->needsLayout());
ASSERT(!childRoot->firstChild() || !childRoot->firstChild()->firstChild() || !childRoot->firstChild()->firstChild()->needsLayout());
setNeedsLayout(false);
}
} // namespace WebCore