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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.
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*
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* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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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/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/DOM/EventTarget.h>
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#include <LibWeb/HTML/EventNames.h>
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namespace Web::DOM {
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// https://w3c.github.io/selection-api/#dfn-has-scheduled-selectionchange-event
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template<typename T>
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concept SelectionChangeTarget = DerivedFrom<T, EventTarget> && requires(T t) {
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{ t.has_scheduled_selectionchange_event() } -> SameAs<bool>;
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{ t.set_scheduled_selectionchange_event(bool()) } -> SameAs<void>;
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};
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// https://w3c.github.io/selection-api/#scheduling-selectionchange-event
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template<SelectionChangeTarget T>
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void schedule_a_selectionchange_event(T& target, Document& document)
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{
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// 1. If target's has scheduled selectionchange event is true, abort these steps.
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if (target.has_scheduled_selectionchange_event())
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return;
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// AD-HOC: See https://github.com/w3c/selection-api/issues/338
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// Set target's has scheduled selectionchange event to true
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target.set_scheduled_selectionchange_event(true);
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// 2. Queue a task on the user interaction task source to fire a selectionchange event on
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// target.
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queue_global_task(HTML::Task::Source::UserInteraction, relevant_global_object(document), GC::create_function(document.heap(), [&] {
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fire_a_selectionchange_event(target, document);
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}));
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}
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// https://w3c.github.io/selection-api/#firing-selectionchange-event
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template<SelectionChangeTarget T>
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void fire_a_selectionchange_event(T& target, Document& document)
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{
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// 1. Set target's has scheduled selectionchange event to false.
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target.set_scheduled_selectionchange_event(false);
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// 2. If target is an element, fire an event named selectionchange, which bubbles and not
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// cancelable, at target.
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// 3. Otherwise, if target is a document, fire an event named selectionchange, which does not
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// bubble and not cancelable, at target.
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Bindings::EventInit event_init;
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event_init.bubbles = DerivedFrom<T, Element>;
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event_init.cancelable = false;
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auto event = DOM::Event::create(document.realm(), HTML::EventNames::selectionchange, event_init);
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target.dispatch_event(event);
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}
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}
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