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By creating a new FetchController here, we prevent the original FetchController from affecting the actual ongoing request. This is necessary to allow FetchController::stop_fetch() to stop an ongoing fetch in the subsequent commit. The purpose of the copy appears to be only to change the httpFetchParams' request over to the newly-cloned httpRequest, so all existing references should refer back to the originals rather than new instances.
75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/*
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* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGC/Heap.h>
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#include <LibJS/Runtime/VM.h>
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#include <LibWeb/Fetch/Infrastructure/FetchParams.h>
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#include <LibWeb/Fetch/Infrastructure/HTTP/Responses.h>
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namespace Web::Fetch::Infrastructure {
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GC_DEFINE_ALLOCATOR(FetchParams);
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FetchParams::FetchParams(GC::Ref<Request> request, GC::Ref<FetchAlgorithms> algorithms, GC::Ref<FetchController> controller, GC::Ref<FetchTimingInfo> timing_info)
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: m_request(request)
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, m_algorithms(algorithms)
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, m_controller(controller)
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, m_timing_info(timing_info)
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{
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m_controller->set_fetch_params({}, *this);
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}
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FetchParams::FetchParams(FetchParams const& params)
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: m_request(params.m_request)
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, m_algorithms(params.m_algorithms)
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, m_task_destination(params.m_task_destination)
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, m_cross_origin_isolated_capability(params.m_cross_origin_isolated_capability)
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, m_controller(params.m_controller)
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, m_timing_info(params.m_timing_info)
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, m_preloaded_response_candidate(params.m_preloaded_response_candidate)
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{
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}
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GC::Ref<FetchParams> FetchParams::create(JS::VM& vm, GC::Ref<Request> request, GC::Ref<FetchTimingInfo> timing_info)
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{
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auto algorithms = Infrastructure::FetchAlgorithms::create(vm, {});
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auto controller = Infrastructure::FetchController::create(vm);
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return vm.heap().allocate<FetchParams>(request, algorithms, controller, timing_info);
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}
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GC::Ref<FetchParams> FetchParams::copy(FetchParams const& params)
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{
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return params.vm().heap().allocate<FetchParams>(params);
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}
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void FetchParams::visit_edges(JS::Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_request);
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visitor.visit(m_algorithms);
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visitor.visit(m_controller);
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visitor.visit(m_timing_info);
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if (m_task_destination.has<GC::Ref<JS::Object>>())
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visitor.visit(m_task_destination.get<GC::Ref<JS::Object>>());
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if (m_preloaded_response_candidate.has<GC::Ref<Response>>())
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visitor.visit(m_preloaded_response_candidate.get<GC::Ref<Response>>());
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}
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// https://fetch.spec.whatwg.org/#fetch-params-aborted
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bool FetchParams::is_aborted() const
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{
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// A fetch params fetchParams is aborted if its controller’s state is "aborted".
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return m_controller->state() == FetchController::State::Aborted;
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}
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// https://fetch.spec.whatwg.org/#fetch-params-canceled
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bool FetchParams::is_canceled() const
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{
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// A fetch params fetchParams is canceled if its controller’s state is "aborted" or "terminated".
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return m_controller->state() == FetchController::State::Aborted || m_controller->state() == FetchController::State::Terminated;
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}
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}
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