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// 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_MODULESCRIPT_DOCUMENT_MODULE_SCRIPT_FETCHER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_MODULESCRIPT_DOCUMENT_MODULE_SCRIPT_FETCHER_H_
#include "base/optional.h"
#include "third_party/blink/renderer/core/loader/modulescript/module_script_creation_params.h"
#include "third_party/blink/renderer/core/loader/modulescript/module_script_fetcher.h"
#include "third_party/blink/renderer/core/loader/resource/script_resource.h"
#include "third_party/blink/renderer/core/script/modulator.h"
#include "third_party/blink/renderer/platform/loader/fetch/fetch_parameters.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
namespace blink {
class ConsoleMessage;
// DocumentModuleScriptFetcher is used to fetch module scripts used in main
// documents and workers (but not worklets).
//
// DocumentModuleScriptFetcher emits FetchParameters to ResourceFetcher
// (via ScriptResource::Fetch). Then, it keeps track of the fetch progress by
// being a ResourceClient. Finally, it returns its client a fetched resource as
// ModuleScriptCreationParams.
class CORE_EXPORT DocumentModuleScriptFetcher : public ModuleScriptFetcher,
public ResourceClient {
USING_GARBAGE_COLLECTED_MIXIN(DocumentModuleScriptFetcher);
public:
explicit DocumentModuleScriptFetcher(ResourceFetcher*);
void Fetch(FetchParameters&, ModuleScriptFetcher::Client*) final;
// Implements ResourceClient
void NotifyFinished(Resource*) final;
String DebugName() const final { return "DocumentModuleScriptFetcher"; }
void Trace(blink::Visitor*) override;
private:
void Finalize(const base::Optional<ModuleScriptCreationParams>&,
const HeapVector<Member<ConsoleMessage>>& error_messages);
// Returns true if loaded as Layered API.
bool FetchIfLayeredAPI(FetchParameters&);
Member<ResourceFetcher> fetcher_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_MODULESCRIPT_DOCUMENT_MODULE_SCRIPT_FETCHER_H_
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