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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "RenderIFrame.h"
#include "HTMLIFrameElement.h"
#include "HTMLNames.h"
#include "LocalFrame.h"
#include "LocalFrameView.h"
#include "RenderBoxInlines.h"
#include "RenderBoxModelObjectInlines.h"
#include "RenderStyleInlines.h"
#include "RenderView.h"
#include "Settings.h"
#include <wtf/StackStats.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(RenderIFrame);
using namespace HTMLNames;
RenderIFrame::RenderIFrame(HTMLIFrameElement& element, RenderStyle&& style)
: RenderFrameBase(Type::IFrame, element, WTFMove(style))
{
ASSERT(isRenderIFrame());
}
RenderIFrame::~RenderIFrame() = default;
HTMLIFrameElement& RenderIFrame::iframeElement() const
{
return downcast<HTMLIFrameElement>(RenderFrameBase::frameOwnerElement());
}
bool RenderIFrame::isNonReplacedAtomicInline() const
{
// FIXME: iFrames should not override this function.
return isInline();
}
bool RenderIFrame::requiresLayer() const
{
return RenderFrameBase::requiresLayer() || style().resize() != Resize::None;
}
bool RenderIFrame::isFullScreenIFrame() const
{
// Some authors implement fullscreen popups as out-of-flow iframes with size set to full viewport (using vw/vh units).
// The size used may not perfectly match the viewport size so the following heuristic uses a relaxed constraint.
return style().hasOutOfFlowPosition() && style().usesViewportUnits();
}
void RenderIFrame::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
ASSERT(needsLayout());
updateLogicalWidth();
// No kids to layout as a replaced element.
updateLogicalHeight();
clearOverflow();
addVisualEffectOverflow();
updateLayerTransform();
clearNeedsLayout();
}
}
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