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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 HEADLESS_PUBLIC_UTIL_THROTTLED_DISPATCHER_H_
#define HEADLESS_PUBLIC_UTIL_THROTTLED_DISPATCHER_H_
#include <vector>
#include "headless/public/util/expedited_dispatcher.h"
namespace headless {
class ManagedDispatchURLRequestJob;
// Similar to ExpeditedDispatcher except network fetches can be paused.
class HEADLESS_EXPORT ThrottledDispatcher : public ExpeditedDispatcher {
public:
explicit ThrottledDispatcher(
scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner);
~ThrottledDispatcher() override;
void PauseRequests();
void ResumeRequests();
// UrlRequestDispatcher implementation:
void DataReady(ManagedDispatchURLRequestJob* job) override;
void JobDeleted(ManagedDispatchURLRequestJob* job) override;
private:
// Protects all members below.
base::Lock lock_;
bool requests_paused_;
std::vector<ManagedDispatchURLRequestJob*> paused_jobs_;
DISALLOW_COPY_AND_ASSIGN(ThrottledDispatcher);
};
} // namespace headless
#endif // HEADLESS_PUBLIC_UTIL_EXPEDITED_DISPATCHER_H_
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