HTMLFrameOwnerElement.h [plain text]
#ifndef HTMLFrameOwnerElement_h
#define HTMLFrameOwnerElement_h
#include "FrameLoaderTypes.h"
#include "HTMLElement.h"
namespace WebCore {
class DOMWindow;
class Frame;
class RenderPart;
#if ENABLE(SVG)
class SVGDocument;
#endif
class HTMLFrameOwnerElement : public HTMLElement {
public:
virtual ~HTMLFrameOwnerElement();
Frame* contentFrame() const { return m_contentFrame; }
DOMWindow* contentWindow() const;
Document* contentDocument() const;
void setContentFrame(Frame*);
void clearContentFrame();
void disconnectContentFrame();
RenderPart* renderPart() const;
#if ENABLE(SVG)
SVGDocument* getSVGDocument(ExceptionCode&) const;
#endif
virtual ScrollbarMode scrollingMode() const { return ScrollbarAuto; }
SandboxFlags sandboxFlags() const { return m_sandboxFlags; }
protected:
HTMLFrameOwnerElement(const QualifiedName& tagName, Document*);
void setSandboxFlags(SandboxFlags);
private:
virtual bool isKeyboardFocusable(KeyboardEvent*) const OVERRIDE;
virtual bool isFrameOwnerElement() const OVERRIDE { return true; }
Frame* m_contentFrame;
SandboxFlags m_sandboxFlags;
};
inline HTMLFrameOwnerElement* toFrameOwnerElement(Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isFrameOwnerElement());
return static_cast<HTMLFrameOwnerElement*>(node);
}
class SubframeLoadingDisabler {
public:
explicit SubframeLoadingDisabler(Node* root)
: m_root(root)
{
disabledSubtreeRoots().add(m_root);
}
~SubframeLoadingDisabler()
{
disabledSubtreeRoots().remove(m_root);
}
static bool canLoadFrame(HTMLFrameOwnerElement* owner)
{
for (Node* node = owner; node; node = node->parentOrShadowHostNode()) {
if (disabledSubtreeRoots().contains(node))
return false;
}
return true;
}
private:
static HashSet<Node*>& disabledSubtreeRoots()
{
DEFINE_STATIC_LOCAL(HashSet<Node*>, nodes, ());
return nodes;
}
Node* m_root;
};
}
#endif // HTMLFrameOwnerElement_h