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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 ThreadedWorklet_h
#define ThreadedWorklet_h
#include "core/workers/Worklet.h"
#include "bindings/core/v8/ScriptPromiseResolver.h"
#include "core/CoreExport.h"
#include "core/loader/WorkletScriptLoader.h"
#include "platform/heap/Handle.h"
namespace blink {
class LocalFrame;
// A ThreadedWorklet is a worklet that runs off the main thread.
// TODO(nhiroki): This is a temporary class to keep classic script loading for
// threaded worklets while module loading is being implemented for main thread
// worklets. This and MainThreadWorklet will be merged into the base Worklet
// class once threaded worklets are also ready to use module loading.
class CORE_EXPORT ThreadedWorklet : public Worklet,
public WorkletScriptLoader::Client {
virtual ~ThreadedWorklet() = default;
// WorkletScriptLoader::Client
void NotifyWorkletScriptLoadingFinished(WorkletScriptLoader*,
const ScriptSourceCode&) final;
// ContextLifecycleObserver
void ContextDestroyed(ExecutionContext*) final;
explicit ThreadedWorklet(LocalFrame*);
// Worklet
void FetchAndInvokeScript(const KURL& module_url_record,
const WorkletOptions&,
ScriptPromiseResolver*) override;
// Called when addModule() is called for the first time.
virtual void Initialize() = 0;
virtual bool IsInitialized() const = 0;
Member<LocalFrame> frame_;
HeapHashMap<Member<WorkletScriptLoader>, Member<ScriptPromiseResolver>>
} // namespace blink
#endif // ThreadedWorklet_h