ladybird/Userland/Libraries/LibWeb/Fetch/Infrastructure/FetchController.cpp

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/*
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Heap/Heap.h>
#include <LibJS/Runtime/VM.h>
#include <LibWeb/Fetch/Infrastructure/FetchController.h>
#include <LibWeb/WebIDL/DOMException.h>
namespace Web::Fetch::Infrastructure {
FetchController::FetchController() = default;
JS::NonnullGCPtr<FetchController> FetchController::create(JS::VM& vm)
{
return vm.heap().allocate_without_realm<FetchController>();
}
void FetchController::visit_edges(JS::Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_full_timing_info);
}
// https://fetch.spec.whatwg.org/#finalize-and-report-timing
void FetchController::report_timing(JS::Object const& global) const
{
// 1. Assert: thiss report timing steps is not null.
VERIFY(m_report_timing_steps.has_value());
// 2. Call thiss report timing steps with global.
(*m_report_timing_steps)(global);
}
// https://fetch.spec.whatwg.org/#fetch-controller-process-the-next-manual-redirect
void FetchController::process_next_manual_redirect() const
{
// 1. Assert: controllers next manual redirect steps are not null.
VERIFY(m_next_manual_redirect_steps.has_value());
// 2. Call controllers next manual redirect steps.
(*m_next_manual_redirect_steps)();
}
// https://fetch.spec.whatwg.org/#extract-full-timing-info
JS::NonnullGCPtr<FetchTimingInfo> FetchController::extract_full_timing_info() const
{
// 1. Assert: thiss full timing info is not null.
VERIFY(m_full_timing_info);
// 2. Return thiss full timing info.
return *m_full_timing_info;
}
// https://fetch.spec.whatwg.org/#fetch-controller-abort
void FetchController::abort(JS::VM& vm, Optional<JS::Value> error)
{
auto& realm = *vm.current_realm();
// 1. Set controllers state to "aborted".
m_state = State::Aborted;
// 2. Let fallbackError be an "AbortError" DOMException.
auto fallback_error = WebIDL::AbortError::create(realm, "Fetch was aborted"sv);
// 3. Set error to fallbackError if it is not given.
if (!error.has_value())
error = fallback_error;
// FIXME: 4. Let serializedError be StructuredSerialize(error). If that threw an exception, catch it, and let serializedError be StructuredSerialize(fallbackError).
// FIXME: 5. Set controllers serialized abort reason to serializedError.
(void)error;
}
// FIXME: https://fetch.spec.whatwg.org/#deserialize-a-serialized-abort-reason
// https://fetch.spec.whatwg.org/#fetch-controller-terminate
void FetchController::terminate()
{
// To terminate a fetch controller controller, set controllers state to "terminated".
m_state = State::Terminated;
}
}