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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/BrowsingContextGroup.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/browsers.html#browsing-context-group-set
static HashTable<BrowsingContextGroup*>& user_agent_browsing_context_group_set()
{
static HashTable<BrowsingContextGroup*> set;
return set;
}
BrowsingContextGroup::BrowsingContextGroup(Web::Page& page)
: m_page(page)
{
user_agent_browsing_context_group_set().set(this);
}
BrowsingContextGroup::~BrowsingContextGroup()
{
user_agent_browsing_context_group_set().remove(this);
}
void BrowsingContextGroup::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
for (auto& context : m_browsing_context_set)
visitor.visit(context);
}
// https://html.spec.whatwg.org/multipage/browsers.html#creating-a-new-browsing-context-group
JS::NonnullGCPtr<BrowsingContextGroup> BrowsingContextGroup::create_a_new_browsing_context_group(Web::Page& page)
{
// 1. Let group be a new browsing context group.
// 2. Append group to the user agent's browsing context group set.
auto group = Bindings::main_thread_vm().heap().allocate_without_realm<BrowsingContextGroup>(page);
// 3. Let browsingContext be the result of creating a new browsing context with null, null, and group.
auto browsing_context = BrowsingContext::create_a_new_browsing_context(page, nullptr, nullptr, *group);
// 4. Append browsingContext to group.
group->append(move(browsing_context));
// 5. Return group.
return *group;
}
// https://html.spec.whatwg.org/multipage/browsers.html#bcg-append
void BrowsingContextGroup::append(BrowsingContext& browsing_context)
{
VERIFY(browsing_context.is_top_level());
// 1. Append browsingContext to group's browsing context set.
m_browsing_context_set.set(&browsing_context);
// 2. Set browsingContext's group to group.
browsing_context.set_group(this);
}
}
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