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/*
* 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;
}
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);
}
}
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