| // Copyright 2017 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 "core/loader/ThreadableLoadingContext.h" |
| |
| #include "core/dom/Document.h" |
| #include "core/loader/WorkerFetchContext.h" |
| #include "core/workers/WorkerGlobalScope.h" |
| #include "platform/loader/fetch/ResourceFetcher.h" |
| |
| namespace blink { |
| |
| class DocumentThreadableLoadingContext final : public ThreadableLoadingContext { |
| public: |
| explicit DocumentThreadableLoadingContext(Document& document) |
| : document_(&document) {} |
| |
| ~DocumentThreadableLoadingContext() override = default; |
| |
| ResourceFetcher* GetResourceFetcher() override { |
| DCHECK(IsContextThread()); |
| return document_->Fetcher(); |
| } |
| |
| ExecutionContext* GetExecutionContext() override { |
| DCHECK(IsContextThread()); |
| return document_.Get(); |
| } |
| |
| void Trace(blink::Visitor* visitor) override { |
| visitor->Trace(document_); |
| ThreadableLoadingContext::Trace(visitor); |
| } |
| |
| private: |
| bool IsContextThread() const { return document_->IsContextThread(); } |
| |
| Member<Document> document_; |
| }; |
| |
| class WorkerThreadableLoadingContext : public ThreadableLoadingContext { |
| public: |
| explicit WorkerThreadableLoadingContext( |
| WorkerGlobalScope& worker_global_scope) |
| : worker_global_scope_(&worker_global_scope) {} |
| |
| ~WorkerThreadableLoadingContext() override = default; |
| |
| ResourceFetcher* GetResourceFetcher() override { |
| DCHECK(IsContextThread()); |
| return worker_global_scope_->EnsureFetcher(); |
| } |
| |
| ExecutionContext* GetExecutionContext() override { |
| DCHECK(IsContextThread()); |
| return worker_global_scope_.Get(); |
| } |
| |
| void Trace(blink::Visitor* visitor) override { |
| visitor->Trace(worker_global_scope_); |
| ThreadableLoadingContext::Trace(visitor); |
| } |
| |
| private: |
| bool IsContextThread() const { |
| DCHECK(worker_global_scope_); |
| return worker_global_scope_->IsContextThread(); |
| } |
| |
| Member<WorkerGlobalScope> worker_global_scope_; |
| }; |
| |
| ThreadableLoadingContext* ThreadableLoadingContext::Create(Document& document) { |
| return new DocumentThreadableLoadingContext(document); |
| } |
| |
| ThreadableLoadingContext* ThreadableLoadingContext::Create( |
| WorkerGlobalScope& worker_global_scope) { |
| return new WorkerThreadableLoadingContext(worker_global_scope); |
| } |
| |
| BaseFetchContext* ThreadableLoadingContext::GetFetchContext() { |
| return static_cast<BaseFetchContext*>(&GetResourceFetcher()->Context()); |
| } |
| |
| } // namespace blink |