| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/renderer/modules/service_worker/service_worker_module_tree_client.h" |
| |
| #include "third_party/blink/renderer/core/execution_context/execution_context.h" |
| #include "third_party/blink/renderer/core/script/module_script.h" |
| #include "third_party/blink/renderer/core/workers/worker_global_scope.h" |
| #include "third_party/blink/renderer/core/workers/worker_reporting_proxy.h" |
| |
| namespace blink { |
| |
| ServiceWorkerModuleTreeClient::ServiceWorkerModuleTreeClient( |
| Modulator* modulator) |
| : modulator_(modulator) {} |
| |
| // This client is used for both new and installed scripts. In the new scripts |
| // case, this is a partial implementation of the custom "perform the fetch" hook |
| // in the spec: https://w3c.github.io/ServiceWorker/#update-algorithm For |
| // installed scripts, there is no corresponding specification text because there |
| // is no fetching process there. The service worker simply uses its associated |
| // script resource. |
| void ServiceWorkerModuleTreeClient::NotifyModuleTreeLoadFinished( |
| ModuleScript* module_script) { |
| auto* execution_context = |
| ExecutionContext::From(modulator_->GetScriptState()); |
| auto* worker_global_scope = To<WorkerGlobalScope>(execution_context); |
| blink::WorkerReportingProxy& worker_reporting_proxy = |
| worker_global_scope->ReportingProxy(); |
| |
| if (!module_script) { |
| // (In the update case) Step 9: "If the algorithm asynchronously completes |
| // with null, then: Invoke Reject Job Promise with job and TypeError." |
| // DidFailToFetchModuleScript() signals that startup failed, which causes |
| // ServiceWorkerRegisterJob to reject the job promise. |
| worker_reporting_proxy.DidFailToFetchModuleScript(); |
| worker_global_scope->close(); |
| return; |
| } |
| worker_reporting_proxy.DidFetchScript(); |
| |
| // (In the update case) Step 9: "Else, continue the rest of these steps after |
| // the algorithm's asynchronous completion, with script being the asynchronous |
| // completion value." |
| worker_global_scope->WorkerScriptFetchFinished( |
| *module_script, base::nullopt /* v8_inspector::V8StackTraceId */); |
| } |
| |
| void ServiceWorkerModuleTreeClient::Trace(blink::Visitor* visitor) { |
| visitor->Trace(modulator_); |
| ModuleTreeClient::Trace(visitor); |
| } |
| |
| } // namespace blink |