mirror of
https://github.com/SerenityOS/serenity
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f3db548a3d
DeprecatedFlyString relies heavily on DeprecatedString's StringImpl, so let's rename it to A) match the name of DeprecatedString, B) write a new FlyString class that is tied to String.
82 lines
3.3 KiB
C++
82 lines
3.3 KiB
C++
/*
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* Copyright (c) 2020-2022, 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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#pragma once
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#include <AK/DeprecatedFlyString.h>
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#include <AK/Noncopyable.h>
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#include <AK/Vector.h>
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#include <LibJS/Forward.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/DOM/DOMEventListener.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/EventHandler.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::DOM {
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class EventTarget : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(EventTarget, Bindings::PlatformObject);
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public:
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virtual ~EventTarget() override;
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virtual bool is_focusable() const { return false; }
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void add_event_listener(DeprecatedFlyString const& type, IDLEventListener* callback, Variant<AddEventListenerOptions, bool> const& options);
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void remove_event_listener(DeprecatedFlyString const& type, IDLEventListener* callback, Variant<EventListenerOptions, bool> const& options);
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// NOTE: These are for internal use only. They operate as though addEventListener(type, callback) was called instead of addEventListener(type, callback, options).
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void add_event_listener_without_options(DeprecatedFlyString const& type, IDLEventListener& callback);
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void remove_event_listener_without_options(DeprecatedFlyString const& type, IDLEventListener& callback);
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virtual bool dispatch_event(Event&);
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WebIDL::ExceptionOr<bool> dispatch_event_binding(Event&);
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virtual EventTarget* get_parent(Event const&) { return nullptr; }
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void add_an_event_listener(DOMEventListener&);
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void remove_an_event_listener(DOMEventListener&);
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void remove_from_event_listener_list(DOMEventListener&);
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Vector<JS::Handle<DOMEventListener>> event_listener_list();
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Function<void(Event const&)> activation_behavior;
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// NOTE: These only exist for checkbox and radio input elements.
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virtual void legacy_pre_activation_behavior() { }
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virtual void legacy_cancelled_activation_behavior() { }
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virtual void legacy_cancelled_activation_behavior_was_not_called() { }
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WebIDL::CallbackType* event_handler_attribute(DeprecatedFlyString const& name);
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void set_event_handler_attribute(DeprecatedFlyString const& name, WebIDL::CallbackType*);
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bool has_event_listener(DeprecatedFlyString const& type) const;
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protected:
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explicit EventTarget(JS::Realm&);
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void element_event_handler_attribute_changed(DeprecatedFlyString const& local_name, DeprecatedString const& value);
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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Vector<JS::NonnullGCPtr<DOMEventListener>> m_event_listener_list;
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// https://html.spec.whatwg.org/multipage/webappapis.html#event-handler-map
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// Spec Note: The order of the entries of event handler map could be arbitrary. It is not observable through any algorithms that operate on the map.
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HashMap<DeprecatedFlyString, JS::GCPtr<HTML::EventHandler>> m_event_handler_map;
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WebIDL::CallbackType* get_current_value_of_event_handler(DeprecatedFlyString const& name);
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void activate_event_handler(DeprecatedFlyString const& name, HTML::EventHandler& event_handler);
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void deactivate_event_handler(DeprecatedFlyString const& name);
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JS::ThrowCompletionOr<void> process_event_handler_for_event(DeprecatedFlyString const& name, Event& event);
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};
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bool is_window_reflecting_body_element_event_handler(DeprecatedFlyString const& name);
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}
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