mirror of
https://github.com/LadybirdBrowser/ladybird.git
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139 lines
4.5 KiB
C++
139 lines
4.5 KiB
C++
/*
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* Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
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* Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Heap/Heap.h>
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#include <LibJS/Runtime/Realm.h>
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#include <LibJS/Runtime/Set.h>
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#include <LibWeb/Bindings/FontFaceSetPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/FontFace.h>
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#include <LibWeb/CSS/FontFaceSet.h>
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#include <LibWeb/HTML/EventNames.h>
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#include <LibWeb/WebIDL/Promise.h>
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namespace Web::CSS {
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JS_DEFINE_ALLOCATOR(FontFaceSet);
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-fontfaceset
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JS::NonnullGCPtr<FontFaceSet> FontFaceSet::construct_impl(JS::Realm& realm, Vector<JS::Handle<FontFace>> const& initial_faces)
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{
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auto ready_promise = WebIDL::create_promise(realm);
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auto set_entries = JS::Set::create(realm);
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// The FontFaceSet constructor, when called, must iterate its initialFaces argument and add each value to its set entries.
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for (auto const& face : initial_faces)
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set_entries->set_add(face);
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if (set_entries->set_size() == 0)
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WebIDL::resolve_promise(realm, *ready_promise);
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return realm.heap().allocate<FontFaceSet>(realm, realm, ready_promise, set_entries);
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}
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JS::NonnullGCPtr<FontFaceSet> FontFaceSet::create(JS::Realm& realm)
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{
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return construct_impl(realm, {});
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}
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FontFaceSet::FontFaceSet(JS::Realm& realm, JS::NonnullGCPtr<WebIDL::Promise> ready_promise, JS::NonnullGCPtr<JS::Set> set_entries)
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: DOM::EventTarget(realm)
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, m_set_entries(set_entries)
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, m_ready_promise(ready_promise)
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{
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bool const is_ready = ready()->state() == JS::Promise::State::Fulfilled;
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m_status = is_ready ? Bindings::FontFaceSetLoadStatus::Loaded : Bindings::FontFaceSetLoadStatus::Loading;
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}
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void FontFaceSet::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(FontFaceSet);
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}
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void FontFaceSet::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_set_entries);
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visitor.visit(m_ready_promise);
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-add
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JS::NonnullGCPtr<FontFaceSet> FontFaceSet::add(JS::Handle<FontFace> face)
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{
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// FIXME: Do the actual spec steps
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m_set_entries->set_add(face);
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return *this;
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-delete
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bool FontFaceSet::delete_(JS::Handle<FontFace> face)
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{
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// FIXME: Do the actual spec steps
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return m_set_entries->set_remove(face);
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-clear
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void FontFaceSet::clear()
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{
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// FIXME: Do the actual spec steps
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m_set_entries->set_clear();
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-onloading
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void FontFaceSet::set_onloading(WebIDL::CallbackType* event_handler)
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{
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set_event_handler_attribute(HTML::EventNames::loading, event_handler);
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-onloading
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WebIDL::CallbackType* FontFaceSet::onloading()
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{
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return event_handler_attribute(HTML::EventNames::loading);
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-onloadingdone
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void FontFaceSet::set_onloadingdone(WebIDL::CallbackType* event_handler)
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{
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set_event_handler_attribute(HTML::EventNames::loadingdone, event_handler);
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-onloadingdone
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WebIDL::CallbackType* FontFaceSet::onloadingdone()
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{
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return event_handler_attribute(HTML::EventNames::loadingdone);
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-onloadingerror
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void FontFaceSet::set_onloadingerror(WebIDL::CallbackType* event_handler)
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{
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set_event_handler_attribute(HTML::EventNames::loadingerror, event_handler);
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-onloadingerror
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WebIDL::CallbackType* FontFaceSet::onloadingerror()
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{
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return event_handler_attribute(HTML::EventNames::loadingerror);
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}
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// https://drafts.csswg.org/css-font-loading/#dom-fontfaceset-load
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JS::ThrowCompletionOr<JS::NonnullGCPtr<JS::Promise>> FontFaceSet::load(String const&, String const&)
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{
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// FIXME: Do the steps
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auto promise = WebIDL::create_rejected_promise(realm(), WebIDL::NotSupportedError::create(realm(), "FontFaceSet::load is not yet implemented"_fly_string));
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return verify_cast<JS::Promise>(*promise->promise());
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}
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// https://drafts.csswg.org/css-font-loading/#font-face-set-ready
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JS::NonnullGCPtr<JS::Promise> FontFaceSet::ready() const
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{
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return verify_cast<JS::Promise>(*m_ready_promise->promise());
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}
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}
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