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/*
* Copyright (C) 2006, 2007, 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.
*
*/
#pragma once
#include "HTMLElement.h"
#include <wtf/HashCountedSet.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
class DOMWindow;
class Frame;
class RenderWidget;
class SVGDocument;
class HTMLFrameOwnerElement : public HTMLElement {
public:
virtual ~HTMLFrameOwnerElement();
Frame* contentFrame() const { return m_contentFrame; }
WEBCORE_EXPORT DOMWindow* contentWindow() const;
WEBCORE_EXPORT Document* contentDocument() const;
void setContentFrame(Frame*);
void clearContentFrame();
void disconnectContentFrame();
// Most subclasses use RenderWidget (either RenderEmbeddedObject or RenderIFrame)
// except for HTMLObjectElement and HTMLEmbedElement which may return any
// RenderElement when using fallback content.
RenderWidget* renderWidget() const;
ExceptionOr<Document&> getSVGDocument() const;
virtual ScrollbarMode scrollingMode() const { return ScrollbarAuto; }
SandboxFlags sandboxFlags() const { return m_sandboxFlags; }
void scheduleinvalidateStyleAndLayerComposition();
virtual bool isURLAllowed(const URL&) const { return true; }
protected:
HTMLFrameOwnerElement(const QualifiedName& tagName, Document&);
void setSandboxFlags(SandboxFlags);
private:
bool isKeyboardFocusable(KeyboardEvent&) const override;
bool isFrameOwnerElement() const final { return true; }
Frame* m_contentFrame;
SandboxFlags m_sandboxFlags;
};
class SubframeLoadingDisabler {
public:
explicit SubframeLoadingDisabler(ContainerNode* root)
: m_root(root)
{
if (m_root)
disabledSubtreeRoots().add(m_root);
}
~SubframeLoadingDisabler()
{
if (m_root)
disabledSubtreeRoots().remove(m_root);
}
static bool canLoadFrame(HTMLFrameOwnerElement&);
private:
static HashCountedSet<ContainerNode*>& disabledSubtreeRoots()
{
static NeverDestroyed<HashCountedSet<ContainerNode*>> nodes;
return nodes;
}
ContainerNode* m_root;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLFrameOwnerElement)
static bool isType(const WebCore::Node& node) { return node.isFrameOwnerElement(); }
SPECIALIZE_TYPE_TRAITS_END()
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