6ac3bf2982
Instead of choking on the VERIFY(document), let's just return null if there's no active document for now. This is incorrect, but sidesteps a frequent crash that happens on content with iframes. I've left a FIXME about removing the hack once it's no longer needed.
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Linus Groh <linusg@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/DOM/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/BrowsingContextContainer.h>
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#include <LibWeb/Origin.h>
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#include <LibWeb/Page/Page.h>
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namespace Web::HTML {
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BrowsingContextContainer::BrowsingContextContainer(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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}
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BrowsingContextContainer::~BrowsingContextContainer() = default;
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void BrowsingContextContainer::inserted()
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{
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HTMLElement::inserted();
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if (!is_connected())
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return;
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if (auto* browsing_context = document().browsing_context()) {
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VERIFY(browsing_context->page());
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m_nested_browsing_context = BrowsingContext::create_nested(*browsing_context->page(), *this);
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browsing_context->append_child(*m_nested_browsing_context);
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m_nested_browsing_context->set_frame_nesting_levels(browsing_context->frame_nesting_levels());
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m_nested_browsing_context->register_frame_nesting(document().url());
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}
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}
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void BrowsingContextContainer::removed_from(Node* old_parent)
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{
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HTMLElement::removed_from(old_parent);
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if (m_nested_browsing_context && m_nested_browsing_context->parent())
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m_nested_browsing_context->parent()->remove_child(*m_nested_browsing_context);
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}
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// https://html.spec.whatwg.org/multipage/browsers.html#concept-bcc-content-document
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const DOM::Document* BrowsingContextContainer::content_document() const
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{
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// 1. If container's nested browsing context is null, then return null.
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if (m_nested_browsing_context == nullptr)
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return nullptr;
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// 2. Let context be container's nested browsing context.
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auto const& context = *m_nested_browsing_context;
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// 3. Let document be context's active document.
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auto const* document = context.active_document();
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//FIXME: This should not be here, as we're expected to have a document at this point.
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if (!document)
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return nullptr;
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VERIFY(document);
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VERIFY(m_document);
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// 4. If document's origin and container's node document's origin are not same origin-domain, then return null.
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if (!document->origin().is_same_origin_domain(m_document->origin()))
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return nullptr;
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// 5. Return document.
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return document;
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}
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DOM::Document const* BrowsingContextContainer::content_document_without_origin_check() const
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{
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if (!m_nested_browsing_context)
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return nullptr;
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return m_nested_browsing_context->active_document();
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}
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}
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