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// Copyright 2020 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_WORKER_HOST_DEDICATED_WORKER_SERVICE_IMPL_H_
#define CONTENT_BROWSER_WORKER_HOST_DEDICATED_WORKER_SERVICE_IMPL_H_
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "content/common/content_export.h"
#include "content/public/browser/dedicated_worker_service.h"
#include "url/gurl.h"
namespace content {
class DedicatedWorkerHost;
class CONTENT_EXPORT DedicatedWorkerServiceImpl
: public DedicatedWorkerService {
public:
DedicatedWorkerServiceImpl();
~DedicatedWorkerServiceImpl() override;
DedicatedWorkerServiceImpl(const DedicatedWorkerServiceImpl& other) = delete;
// DedicatedWorkerService:
void AddObserver(Observer* observer) override;
void RemoveObserver(Observer* observer) override;
void EnumerateDedicatedWorkers(Observer* observer) override;
// Notifies all observers about a new worker.
void NotifyWorkerCreated(DedicatedWorkerHost* host);
// Notifies all observers about a worker being destroyed.
void NotifyBeforeWorkerDestroyed(
const blink::DedicatedWorkerToken& worker_token,
DedicatedWorkerCreator creator);
// Notifies all observers that a worker's final response URL was determined.
void NotifyWorkerFinalResponseURLDetermined(
const blink::DedicatedWorkerToken& worker_token,
const GURL& url);
// Returns true if a worker with the given token has already been registered
// with the service. This allows for malformed messages with duplicated
// tokens to be detected, and the offending renderer to be shutdown.
bool HasToken(const blink::DedicatedWorkerToken& worker_token) const;
// Returns the DedicatedWorkerHost associated with this token. Clients should
// not hold on to the pointer, as it may become invalid when the worker exits.
DedicatedWorkerHost* GetDedicatedWorkerHostFromToken(
const blink::DedicatedWorkerToken& worker_token) const;
private:
base::ObserverList<Observer> observers_;
base::flat_map<blink::DedicatedWorkerToken,
raw_ptr<DedicatedWorkerHost, CtnExperimental>>
dedicated_worker_hosts_;
};
} // namespace content
#endif // CONTENT_BROWSER_WORKER_HOST_DEDICATED_WORKER_SERVICE_IMPL_H_
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