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/*
* Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Time.h>
#include <LibJS/Runtime/Completion.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/FileAPI/File.h>
namespace Web::FileAPI {
File::File(JS::Realm& realm, ByteBuffer byte_buffer, DeprecatedString file_name, DeprecatedString type, i64 last_modified)
: Blob(realm, move(byte_buffer), move(type))
, m_name(move(file_name))
, m_last_modified(last_modified)
{
}
JS::ThrowCompletionOr<void> File::initialize(JS::Realm& realm)
{
MUST_OR_THROW_OOM(Base::initialize(realm));
set_prototype(&Bindings::ensure_web_prototype<Bindings::FilePrototype>(realm, "File"));
return {};
}
File::~File() = default;
// https://w3c.github.io/FileAPI/#ref-for-dom-file-file
WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::create(JS::Realm& realm, Vector<BlobPart> const& file_bits, DeprecatedString const& file_name, Optional<FilePropertyBag> const& options)
{
// 1. Let bytes be the result of processing blob parts given fileBits and options.
auto bytes = TRY_OR_THROW_OOM(realm.vm(), process_blob_parts(file_bits, options.has_value() ? static_cast<BlobPropertyBag const&>(*options) : Optional<BlobPropertyBag> {}));
// 2. Let n be the fileName argument to the constructor.
// NOTE: Underlying OS filesystems use differing conventions for file name; with constructed files, mandating UTF-16 lessens ambiquity when file names are converted to byte sequences.
auto name = file_name;
auto type = DeprecatedString::empty();
i64 last_modified = 0;
// 3. Process FilePropertyBag dictionary argument by running the following substeps:
if (options.has_value()) {
// 1. If the type member is provided and is not the empty string, let t be set to the type dictionary member.
// If t contains any characters outside the range U+0020 to U+007E, then set t to the empty string and return from these substeps.
// NOTE: t is set to empty string at declaration.
if (!options->type.is_empty()) {
if (is_basic_latin(options->type))
type = options->type;
}
// 2. Convert every character in t to ASCII lowercase.
if (!type.is_empty())
type = options->type.to_lowercase();
// 3. If the lastModified member is provided, let d be set to the lastModified dictionary member. If it is not provided, set d to the current date and time represented as the number of milliseconds since the Unix Epoch (which is the equivalent of Date.now() [ECMA-262]).
// Note: Since ECMA-262 Date objects convert to long long values representing the number of milliseconds since the Unix Epoch, the lastModified member could be a Date object [ECMA-262].
last_modified = options->last_modified.has_value() ? options->last_modified.value() : Time::now_realtime().to_milliseconds();
}
// 4. Return a new File object F such that:
// 2. F refers to the bytes byte sequence.
// NOTE: Spec started at 2 therefore keeping the same number sequence here.
// 3. F.size is set to the number of total bytes in bytes.
// 4. F.name is set to n.
// 5. F.type is set to t.
// 6. F.lastModified is set to d.
return MUST_OR_THROW_OOM(realm.heap().allocate<File>(realm, realm, move(bytes), move(name), move(type), last_modified));
}
WebIDL::ExceptionOr<JS::NonnullGCPtr<File>> File::construct_impl(JS::Realm& realm, Vector<BlobPart> const& file_bits, DeprecatedString const& file_name, Optional<FilePropertyBag> const& options)
{
return create(realm, file_bits, file_name, options);
}
}
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