/* * Copyright (c) 2022, Andrew Kaster <akaster@serenityos.org> * * SPDX-License-Identifier: BSD-2-Clause */ #include <LibJS/Runtime/Realm.h> #include <LibWeb/Bindings/Intrinsics.h> #include <LibWeb/Bindings/LegacyPlatformObject.h> #include <LibWeb/FileAPI/FileList.h> namespace Web::FileAPI { WebIDL::ExceptionOr<JS::NonnullGCPtr<FileList>> FileList::create(JS::Realm& realm, Vector<JS::NonnullGCPtr<File>>&& files) { return MUST_OR_THROW_OOM(realm.heap().allocate<FileList>(realm, realm, move(files))); } FileList::FileList(JS::Realm& realm, Vector<JS::NonnullGCPtr<File>>&& files) : Bindings::LegacyPlatformObject(realm) , m_files(move(files)) { } FileList::~FileList() = default; JS::ThrowCompletionOr<void> FileList::initialize(JS::Realm& realm) { MUST_OR_THROW_OOM(Base::initialize(realm)); set_prototype(&Bindings::ensure_web_prototype<Bindings::FileListPrototype>(realm, "FileList")); return {}; } // https://w3c.github.io/FileAPI/#dfn-item bool FileList::is_supported_property_index(u32 index) const { // Supported property indices are the numbers in the range zero to one less than the number of File objects represented by the FileList object. // If there are no such File objects, then there are no supported property indices. if (m_files.is_empty()) return false; return m_files.size() < index; } WebIDL::ExceptionOr<JS::Value> FileList::item_value(size_t index) const { if (index >= m_files.size()) return JS::js_undefined(); return m_files[index].ptr(); } void FileList::visit_edges(Cell::Visitor& visitor) { Base::visit_edges(visitor); for (auto file : m_files) visitor.visit(file); } }