mirror of
https://github.com/LadybirdBrowser/ladybird
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5adfd1c43a
Previously we were inconsistent by generating code for enum definitions but not generating code for dictionaries. With future changes to the IDL generator to expose helpers to convert to and from IDL values this produced circular depdendencies. To solve this problem, also generate the dictionary definitions in bindings headers.
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/*
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* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
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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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#pragma once
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#include <LibGC/Root.h>
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#include <LibWeb/Bindings/MutationObserver.h>
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#include <LibWeb/DOM/MutationRecord.h>
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#include <LibWeb/WebIDL/CallbackType.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::DOM {
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// https://dom.spec.whatwg.org/#mutationobserver
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class MutationObserver final : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(MutationObserver, Bindings::PlatformObject);
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GC_DECLARE_ALLOCATOR(MutationObserver);
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public:
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static WebIDL::ExceptionOr<GC::Ref<MutationObserver>> construct_impl(JS::Realm&, GC::Ptr<WebIDL::CallbackType>);
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virtual ~MutationObserver() override;
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WebIDL::ExceptionOr<void> observe(Node& target, Bindings::MutationObserverInit = {});
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void disconnect();
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Vector<GC::Root<MutationRecord>> take_records();
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Vector<GC::Weak<Node>>& node_list() { return m_node_list; }
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Vector<GC::Weak<Node>> const& node_list() const { return m_node_list; }
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WebIDL::CallbackType& callback() { return *m_callback; }
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void enqueue_record(Badge<Node>, GC::Ref<MutationRecord> mutation_record)
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{
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m_record_queue.append(*mutation_record);
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}
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private:
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MutationObserver(JS::Realm&, GC::Ptr<WebIDL::CallbackType>);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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// https://dom.spec.whatwg.org/#concept-mo-callback
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GC::Ptr<WebIDL::CallbackType> m_callback;
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// https://dom.spec.whatwg.org/#mutationobserver-node-list
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// Registered observers in a node’s registered observer list have a weak reference to the node.
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Vector<GC::Weak<Node>> m_node_list;
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// https://dom.spec.whatwg.org/#concept-mo-queue
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Vector<GC::Ref<MutationRecord>> m_record_queue;
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};
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// https://dom.spec.whatwg.org/#registered-observer
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class RegisteredObserver : public JS::Cell {
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GC_CELL(RegisteredObserver, JS::Cell);
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GC_DECLARE_ALLOCATOR(RegisteredObserver);
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public:
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static GC::Ref<RegisteredObserver> create(MutationObserver&, Bindings::MutationObserverInit const&);
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virtual ~RegisteredObserver() override;
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virtual bool is_transient() const { return false; }
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GC::Ref<MutationObserver> observer() const { return m_observer; }
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Bindings::MutationObserverInit const& options() const { return m_options; }
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void set_options(Bindings::MutationObserverInit options) { m_options = move(options); }
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template<typename T>
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bool fast_is() const = delete;
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protected:
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RegisteredObserver(MutationObserver& observer, Bindings::MutationObserverInit const& options);
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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GC::Ref<MutationObserver> m_observer;
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Bindings::MutationObserverInit m_options;
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};
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// https://dom.spec.whatwg.org/#transient-registered-observer
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class TransientRegisteredObserver final : public RegisteredObserver {
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GC_CELL(TransientRegisteredObserver, RegisteredObserver);
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GC_DECLARE_ALLOCATOR(TransientRegisteredObserver);
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public:
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static GC::Ref<TransientRegisteredObserver> create(MutationObserver&, Bindings::MutationObserverInit const&, RegisteredObserver& source);
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virtual ~TransientRegisteredObserver() override;
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GC::Ref<RegisteredObserver> source() const { return m_source; }
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virtual bool is_transient() const override { return true; }
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private:
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TransientRegisteredObserver(MutationObserver& observer, Bindings::MutationObserverInit const& options, RegisteredObserver& source);
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virtual void visit_edges(Cell::Visitor&) override;
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GC::Ref<RegisteredObserver> m_source;
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};
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template<>
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inline bool RegisteredObserver::fast_is<TransientRegisteredObserver>() const { return is_transient(); }
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}
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