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164ed80244
Enable -Wexit-time-destructors for all in-tree library targets and update process-lifetime library statics so they no longer register exit-time destructors. Long-lived caches, lookup tables, singleton registries, and generated constants now use NeverDestroyed or leaked references where the data is intended to live until process exit. Update LibWeb, LibLine, and the binding generators so regenerated sources follow the same rule instead of reintroducing destructed statics.
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/NeverDestroyed.h>
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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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GC_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<GC::Ref<BrowsingContextGroup>>& user_agent_browsing_context_group_set()
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{
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static NeverDestroyed<HashTable<GC::Ref<BrowsingContextGroup>>> set;
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return *set;
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}
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BrowsingContextGroup::BrowsingContextGroup(GC::Ref<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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void BrowsingContextGroup::finalize()
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{
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Base::finalize();
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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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BrowsingContextGroup::BrowsingContextGroupAndDocument BrowsingContextGroup::create_a_new_browsing_context_group_and_document(GC::Ref<Page> page)
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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<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] = 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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// 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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