HTMLFrameOwnerElement.cpp [plain text]
#include "config.h"
#include "HTMLFrameOwnerElement.h"
#include "DOMWindow.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "RenderWidget.h"
#include "ScriptController.h"
#include "ShadowRoot.h"
#include "SVGDocument.h"
#include "StyleTreeResolver.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/Ref.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLFrameOwnerElement);
HTMLFrameOwnerElement::HTMLFrameOwnerElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
}
RenderWidget* HTMLFrameOwnerElement::renderWidget() const
{
if (!is<RenderWidget>(renderer()))
return nullptr;
return downcast<RenderWidget>(renderer());
}
void HTMLFrameOwnerElement::setContentFrame(Frame& frame)
{
ASSERT(!m_contentFrame || m_contentFrame->ownerElement() != this);
ASSERT(isConnected());
m_contentFrame = makeWeakPtr(frame);
for (RefPtr<ContainerNode> node = this; node; node = node->parentOrShadowHostNode())
node->incrementConnectedSubframeCount();
}
void HTMLFrameOwnerElement::clearContentFrame()
{
if (!m_contentFrame)
return;
m_contentFrame = nullptr;
for (RefPtr<ContainerNode> node = this; node; node = node->parentOrShadowHostNode())
node->decrementConnectedSubframeCount();
}
void HTMLFrameOwnerElement::disconnectContentFrame()
{
if (RefPtr<Frame> frame = m_contentFrame.get()) {
frame->loader().frameDetached();
frame->disconnectOwnerElement();
}
}
HTMLFrameOwnerElement::~HTMLFrameOwnerElement()
{
if (m_contentFrame)
m_contentFrame->disconnectOwnerElement();
}
Document* HTMLFrameOwnerElement::contentDocument() const
{
return m_contentFrame ? m_contentFrame->document() : nullptr;
}
WindowProxy* HTMLFrameOwnerElement::contentWindow() const
{
return m_contentFrame ? &m_contentFrame->windowProxy() : nullptr;
}
void HTMLFrameOwnerElement::setSandboxFlags(SandboxFlags flags)
{
m_sandboxFlags = flags;
}
bool HTMLFrameOwnerElement::isKeyboardFocusable(KeyboardEvent* event) const
{
return m_contentFrame && HTMLElement::isKeyboardFocusable(event);
}
ExceptionOr<Document&> HTMLFrameOwnerElement::getSVGDocument() const
{
auto* document = contentDocument();
if (is<SVGDocument>(document))
return *document;
return Exception { NotSupportedError };
}
void HTMLFrameOwnerElement::scheduleInvalidateStyleAndLayerComposition()
{
if (Style::postResolutionCallbacksAreSuspended()) {
RefPtr<HTMLFrameOwnerElement> element = this;
Style::queuePostResolutionCallback([element] {
element->invalidateStyleAndLayerComposition();
});
} else
invalidateStyleAndLayerComposition();
}
bool HTMLFrameOwnerElement::isProhibitedSelfReference(const URL& completeURL) const
{
bool foundOneSelfReference = false;
for (auto* frame = document().frame(); frame; frame = frame->tree().parent()) {
if (equalIgnoringFragmentIdentifier(frame->document()->url(), completeURL)) {
if (foundOneSelfReference)
return true;
foundOneSelfReference = true;
}
}
return false;
}
bool SubframeLoadingDisabler::canLoadFrame(HTMLFrameOwnerElement& owner)
{
for (RefPtr<ContainerNode> node = &owner; node; node = node->parentOrShadowHostNode()) {
if (disabledSubtreeRoots().contains(node.get()))
return false;
}
return true;
}
}