3ee5bdcfb7
This takes care of two FIXMEs and fixes an issue on Google Docs where we'd mix boxes from different documents in the same layout tree. (This happened because shadow trees remained attached to their old document when their host was adopted.)
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/DOM/DocumentFragment.h>
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namespace Web::DOM {
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class ShadowRoot final : public DocumentFragment {
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public:
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ShadowRoot(Document&, Element&);
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bool closed() const { return m_closed; }
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bool delegates_focus() const { return m_delegates_focus; }
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void set_delegates_focus(bool delegates_focus) { m_delegates_focus = delegates_focus; }
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bool available_to_element_internals() const { return m_available_to_element_internals; }
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void set_available_to_element_internals(bool available_to_element_internals) { m_available_to_element_internals = available_to_element_internals; }
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// ^EventTarget
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virtual EventTarget* get_parent(Event const&) override;
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// NOTE: This is intended for the JS bindings.
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String mode() const { return m_closed ? "closed" : "open"; }
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String inner_html() const;
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ExceptionOr<void> set_inner_html(String const&);
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private:
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// ^Node
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virtual FlyString node_name() const override { return "#shadow-root"; }
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virtual bool is_shadow_root() const final { return true; }
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// NOTE: The specification doesn't seem to specify a default value for closed. Assuming false for now.
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bool m_closed { false };
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bool m_delegates_focus { false };
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bool m_available_to_element_internals { false };
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};
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template<>
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inline bool Node::fast_is<ShadowRoot>() const { return is_shadow_root(); }
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template<typename Callback>
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inline IterationDecision Node::for_each_shadow_including_descendant(Callback callback)
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{
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if (callback(*this) == IterationDecision::Break)
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return IterationDecision::Break;
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->is_element()) {
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if (RefPtr<ShadowRoot> shadow_root = static_cast<Element*>(child)->shadow_root()) {
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if (shadow_root->for_each_shadow_including_descendant(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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}
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}
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if (child->for_each_shadow_including_descendant(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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}
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return IterationDecision::Continue;
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}
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}
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