ladybird/Userland/Libraries/LibWeb/HTML/BrowsingContextContainer.cpp

70 lines
2.2 KiB
C++

/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/BrowsingContextContainer.h>
#include <LibWeb/Origin.h>
#include <LibWeb/Page/Page.h>
namespace Web::HTML {
BrowsingContextContainer::BrowsingContextContainer(DOM::Document& document, DOM::QualifiedName qualified_name)
: HTMLElement(document, move(qualified_name))
{
}
BrowsingContextContainer::~BrowsingContextContainer()
{
}
void BrowsingContextContainer::inserted()
{
HTMLElement::inserted();
if (!is_connected())
return;
if (auto* browsing_context = document().browsing_context()) {
VERIFY(browsing_context->page());
m_nested_browsing_context = BrowsingContext::create_nested(*browsing_context->page(), *this);
m_nested_browsing_context->set_frame_nesting_levels(browsing_context->frame_nesting_levels());
m_nested_browsing_context->register_frame_nesting(document().url());
}
}
// https://html.spec.whatwg.org/multipage/browsers.html#concept-bcc-content-document
const DOM::Document* BrowsingContextContainer::content_document() const
{
// 1. If container's nested browsing context is null, then return null.
if (m_nested_browsing_context == nullptr)
return nullptr;
// 2. Let context be container's nested browsing context.
auto const& context = *m_nested_browsing_context;
// 3. Let document be context's active document.
auto const* document = context.active_document();
VERIFY(document);
VERIFY(m_document);
// 4. If document's origin and container's node document's origin are not same origin-domain, then return null.
if (!document->origin().is_same_origin_domain(m_document->origin()))
return nullptr;
// 5. Return document.
return document;
}
DOM::Document const* BrowsingContextContainer::content_document_without_origin_check() const
{
if (!m_nested_browsing_context)
return nullptr;
return m_nested_browsing_context->active_document();
}
}