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