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/*
* 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/HTML/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() = default;
// https://html.spec.whatwg.org/multipage/browsers.html#creating-a-new-nested-browsing-context
void BrowsingContextContainer::create_new_nested_browsing_context()
{
// 1. Let group be element's node document's browsing context's top-level browsing context's group.
// FIXME: We do not have a concept of "browsing context groups" yet.
auto* group = document().browsing_context();
if (!group)
return;
VERIFY(group->page());
// 2. Let browsingContext be the result of creating a new browsing context with element's node document, element, and group.
// 3. Set element's nested browsing context to browsingContext.
m_nested_browsing_context = BrowsingContext::create_nested(*group->page(), *this);
group->append_child(*m_nested_browsing_context);
m_nested_browsing_context->set_frame_nesting_levels(group->frame_nesting_levels());
m_nested_browsing_context->register_frame_nesting(document().url());
// 4. If element has a name attribute, then set browsingContext's name to the value of this attribute.
if (auto name = attribute(HTML::AttributeNames::name); !name.is_empty())
m_nested_browsing_context->set_name(name);
}
// https://html.spec.whatwg.org/multipage/window-object.html#a-browsing-context-is-discarded
void BrowsingContextContainer::discard_nested_browsing_context()
{
// 1. Discard all Document objects for all the entries in browsingContext's session history.
if (m_nested_browsing_context && m_nested_browsing_context->parent())
m_nested_browsing_context->parent()->remove_child(*m_nested_browsing_context);
// 2. If browsingContext is a top-level browsing context, then remove browsingContext.
// NOTE: We skip this here because this is by definition a nested browsing context, not top-level.
}
// 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();
// FIXME: This should not be here, as we're expected to have a document at this point.
if (!document)
return nullptr;
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();
}
// https://html.spec.whatwg.org/multipage/embedded-content-other.html#dom-media-getsvgdocument
const DOM::Document* BrowsingContextContainer::get_svg_document() const
{
// 1. Let document be this element's content document.
auto const* document = content_document();
// 2. If document is non-null and was created by the page load processing model for XML files section because the computed type of the resource in the navigate algorithm was image/svg+xml, then return document.
if (document && document->content_type() == "image/svg+xml"sv)
return document;
// 3. Return null.
return nullptr;
}
}
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