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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_KEEP_ALIVE_HANDLE_FACTORY_H_
#define CONTENT_BROWSER_RENDERER_HOST_KEEP_ALIVE_HANDLE_FACTORY_H_
#include <memory>
#include "base/time/time.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "third_party/blink/public/mojom/loader/keep_alive_handle_factory.mojom-forward.h"
namespace content {
class RenderProcessHost;
// A KeepAliveHandleFactory creates blink::mojom::KeepAliveHandle. Each created
// handle prolongs the associated renderer's lifetime by using
// RenderProcessHost's KeepAliveRefCounts while alive.
// When a certain time passes after the factory is destroyed, all created
// handles are invalidated, which will result in render process shutdown.
class KeepAliveHandleFactory final {
public:
KeepAliveHandleFactory(RenderProcessHost* process_host,
base::TimeDelta timeout);
~KeepAliveHandleFactory();
KeepAliveHandleFactory(const KeepAliveHandleFactory&) = delete;
KeepAliveHandleFactory& operator=(const KeepAliveHandleFactory&) = delete;
// Sets the timeout after which all created handles will be invalidated.
void set_timeout(base::TimeDelta timeout) { timeout_ = timeout; }
void Bind(
mojo::PendingReceiver<blink::mojom::KeepAliveHandleFactory> receiver);
private:
class Context;
std::unique_ptr<Context> context_;
base::TimeDelta timeout_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_KEEP_ALIVE_HANDLE_FACTORY_H_
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