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// Copyright 2015 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 EXTENSIONS_RENDERER_WORKER_SCRIPT_CONTEXT_SET_H_
#define EXTENSIONS_RENDERER_WORKER_SCRIPT_CONTEXT_SET_H_
#include <memory>
#include "base/macros.h"
#include "base/memory/scoped_vector.h"
#include "base/threading/thread_local.h"
#include "content/public/child/worker_thread.h"
#include "url/gurl.h"
#include "v8/include/v8.h"
namespace extensions {
class ScriptContext;
// A set of ScriptContexts owned by worker threads. Thread safe.
class WorkerScriptContextSet : public content::WorkerThread::Observer {
public:
WorkerScriptContextSet();
~WorkerScriptContextSet() override;
// Inserts |context| into the set. Contexts are stored in TLS.
void Insert(std::unique_ptr<ScriptContext> context);
// Removes the ScriptContext associated with |v8_context| which was added for
// |url| (used for sanity checking).
void Remove(v8::Local<v8::Context> v8_context, const GURL& url);
private:
// WorkerThread::Observer:
void WillStopCurrentWorkerThread() override;
// Implement thread safety by storing each ScriptContext in TLS.
base::ThreadLocalPointer<ScopedVector<ScriptContext>> contexts_tls_;
DISALLOW_COPY_AND_ASSIGN(WorkerScriptContextSet);
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_WORKER_SCRIPT_CONTEXT_SET_H_
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