HTMLFrameOwnerElement.h [plain text]
#pragma once
#include "HTMLElement.h"
#include "ReferrerPolicy.h"
#include <wtf/HashCountedSet.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
class Frame;
class RenderWidget;
class SVGDocument;
class HTMLFrameOwnerElement : public HTMLElement {
WTF_MAKE_ISO_ALLOCATED(HTMLFrameOwnerElement);
public:
virtual ~HTMLFrameOwnerElement();
Frame* contentFrame() const { return m_contentFrame; }
WEBCORE_EXPORT WindowProxy* contentWindow() const;
WEBCORE_EXPORT Document* contentDocument() const;
void setContentFrame(Frame*);
void clearContentFrame();
void disconnectContentFrame();
RenderWidget* renderWidget() const;
ExceptionOr<Document&> getSVGDocument() const;
virtual ScrollbarMode scrollingMode() const { return ScrollbarAuto; }
SandboxFlags sandboxFlags() const { return m_sandboxFlags; }
void scheduleInvalidateStyleAndLayerComposition();
virtual bool canLoadScriptURL(const URL&) const = 0;
virtual ReferrerPolicy referrerPolicy() const { return ReferrerPolicy::EmptyString; }
protected:
HTMLFrameOwnerElement(const QualifiedName& tagName, Document&);
void setSandboxFlags(SandboxFlags);
bool isProhibitedSelfReference(const URL&) const;
private:
bool isKeyboardFocusable(KeyboardEvent*) const override;
bool isFrameOwnerElement() const final { return true; }
Frame* m_contentFrame { nullptr };
SandboxFlags m_sandboxFlags { SandboxNone };
};
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;
};
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLFrameOwnerElement)
static bool isType(const WebCore::Node& node) { return node.isFrameOwnerElement(); }
SPECIALIZE_TYPE_TRAITS_END()