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/*
* 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, 2008, 2009 Apple Inc. All rights reserved.
*
* 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 "RenderPartObject.h"
#include "Frame.h"
#include "FrameLoaderClient.h"
#include "HTMLEmbedElement.h"
#include "HTMLIFrameElement.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
#include "HTMLParamElement.h"
#include "MIMETypeRegistry.h"
#include "Page.h"
#include "RenderView.h"
#include "RenderWidgetProtector.h"
#include "Settings.h"
#include "Text.h"
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
#include "HTMLVideoElement.h"
#endif
namespace WebCore {
using namespace HTMLNames;
RenderPartObject::RenderPartObject(Element* element)
: RenderPart(element)
{
}
bool RenderPartObject::flattenFrame()
{
if (!node() || !node()->hasTagName(iframeTag))
return false;
HTMLIFrameElement* element = static_cast<HTMLIFrameElement*>(node());
bool isScrollable = element->scrollingMode() != ScrollbarAlwaysOff;
if (!isScrollable && style()->width().isFixed()
&& style()->height().isFixed())
return false;
Frame* frame = element->document()->frame();
bool enabled = frame && frame->settings()->frameFlatteningEnabled();
if (!enabled || !frame->page())
return false;
FrameView* view = frame->page()->mainFrame()->view();
if (!view)
return false;
// Do not flatten offscreen inner frames during frame flattening.
return absoluteBoundingBoxRect().intersects(IntRect(IntPoint(0, 0), view->contentsSize()));
}
void RenderPartObject::calcHeight()
{
RenderPart::calcHeight();
if (!flattenFrame())
return;
HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(node());
bool isScrollable = frame->scrollingMode() != ScrollbarAlwaysOff;
if (isScrollable || !style()->height().isFixed()) {
FrameView* view = static_cast<FrameView*>(widget());
int border = borderTop() + borderBottom();
setHeight(max(height(), view->contentsHeight() + border));
}
}
void RenderPartObject::calcWidth()
{
RenderPart::calcWidth();
if (!flattenFrame())
return;
HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(node());
bool isScrollable = frame->scrollingMode() != ScrollbarAlwaysOff;
if (isScrollable || !style()->width().isFixed()) {
FrameView* view = static_cast<FrameView*>(widget());
int border = borderLeft() + borderRight();
setWidth(max(width(), view->contentsWidth() + border));
}
}
void RenderPartObject::layout()
{
ASSERT(needsLayout());
RenderPart::calcWidth();
RenderPart::calcHeight();
if (flattenFrame()) {
layoutWithFlattening(style()->width().isFixed(), style()->height().isFixed());
return;
}
RenderPart::layout();
m_overflow.clear();
addShadowOverflow();
setNeedsLayout(false);
}
void RenderPartObject::viewCleared()
{
if (node() && widget() && widget()->isFrameView()) {
FrameView* view = static_cast<FrameView*>(widget());
int marginw = -1;
int marginh = -1;
if (node()->hasTagName(iframeTag)) {
HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(node());
marginw = frame->getMarginWidth();
marginh = frame->getMarginHeight();
}
if (marginw != -1)
view->setMarginWidth(marginw);
if (marginh != -1)
view->setMarginHeight(marginh);
}
}
}
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