ladybird/Libraries/LibWeb/WebIDL/ObservableArray.cpp
Aliaksandr Kalenik cf57efd252 LibWeb: Unload fonts when adopted style sheet is removed
Add missing unloading step that we do for regular style sheets but
mistakenly missed for adopted style sheets.
2025-01-10 19:12:48 +03:00

76 lines
2.5 KiB
C++

/*
* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/WebIDL/ObservableArray.h>
namespace Web::WebIDL {
GC_DEFINE_ALLOCATOR(ObservableArray);
GC::Ref<ObservableArray> ObservableArray::create(JS::Realm& realm)
{
auto prototype = realm.intrinsics().array_prototype();
return realm.create<ObservableArray>(prototype);
}
ObservableArray::ObservableArray(Object& prototype)
: JS::Array(prototype)
{
}
void ObservableArray::visit_edges(JS::Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_on_set_an_indexed_value);
visitor.visit(m_on_delete_an_indexed_value);
}
void ObservableArray::set_on_set_an_indexed_value_callback(SetAnIndexedValueCallbackFunction&& callback)
{
m_on_set_an_indexed_value = GC::create_function(heap(), move(callback));
}
void ObservableArray::set_on_delete_an_indexed_value_callback(DeleteAnIndexedValueCallbackFunction&& callback)
{
m_on_delete_an_indexed_value = GC::create_function(heap(), move(callback));
}
JS::ThrowCompletionOr<bool> ObservableArray::internal_set(JS::PropertyKey const& property_key, JS::Value value, JS::Value receiver, JS::CacheablePropertyMetadata* metadata)
{
if (property_key.is_number() && m_on_set_an_indexed_value)
TRY(Bindings::throw_dom_exception_if_needed(vm(), [&] { return m_on_set_an_indexed_value->function()(value); }));
return TRY(Base::internal_set(property_key, value, receiver, metadata));
}
JS::ThrowCompletionOr<bool> ObservableArray::internal_delete(JS::PropertyKey const& property_key)
{
if (property_key.is_number() && m_on_delete_an_indexed_value) {
auto maybe_value_and_attributes = indexed_properties().get(property_key.as_number());
JS::Value deleted_value;
if (maybe_value_and_attributes.has_value())
deleted_value = maybe_value_and_attributes->value;
TRY(Bindings::throw_dom_exception_if_needed(vm(), [&] { return m_on_delete_an_indexed_value->function()(deleted_value); }));
}
return JS::Array::internal_delete(property_key);
}
JS::ThrowCompletionOr<void> ObservableArray::append(JS::Value value)
{
if (m_on_set_an_indexed_value)
TRY(Bindings::throw_dom_exception_if_needed(vm(), [&] { return m_on_set_an_indexed_value->function()(value); }));
indexed_properties().append(value);
return {};
}
void ObservableArray::clear()
{
while (!indexed_properties().is_empty()) {
indexed_properties().storage()->take_first();
}
}
}