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// Copyright 2014 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 CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_JOB_COORDINATOR_H_
#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_JOB_COORDINATOR_H_
#include <deque>
#include <map>
#include "content/browser/service_worker/service_worker_register_job.h"
#include "content/browser/service_worker/service_worker_unregister_job.h"
#include "content/common/content_export.h"
#include "url/gurl.h"
namespace content {
class EmbeddedWorkerRegistry;
class ServiceWorkerProviderHost;
class ServiceWorkerRegistration;
class ServiceWorkerStorage;
// This class manages all in-flight registration or unregistration jobs.
class CONTENT_EXPORT ServiceWorkerJobCoordinator {
public:
explicit ServiceWorkerJobCoordinator(
base::WeakPtr<ServiceWorkerContextCore> context);
~ServiceWorkerJobCoordinator();
void Register(const GURL& pattern,
const GURL& script_url,
ServiceWorkerProviderHost* provider_host,
const ServiceWorkerRegisterJob::RegistrationCallback& callback);
void Unregister(
const GURL& pattern,
const ServiceWorkerUnregisterJob::UnregistrationCallback& callback);
void Update(ServiceWorkerRegistration* registration);
// Calls ServiceWorkerRegisterJobBase::Abort() on all jobs and removes them.
void AbortAll();
// Removes the job. A job that was not aborted must call FinishJob when it is
// done.
void FinishJob(const GURL& pattern, ServiceWorkerRegisterJobBase* job);
private:
class JobQueue {
public:
JobQueue();
~JobQueue();
// Adds a job to the queue. If an identical job is already in the queue, no
// new job is added. Returns the job in the queue, regardless of whether it
// was newly added.
ServiceWorkerRegisterJobBase* Push(
scoped_ptr<ServiceWorkerRegisterJobBase> job);
// Removes a job from the queue.
void Pop(ServiceWorkerRegisterJobBase* job);
bool empty() { return jobs_.empty(); }
// Aborts all jobs in the queue and removes them.
void AbortAll();
// Marks that the browser is shutting down, so jobs may be destroyed before
// finishing.
void ClearForShutdown();
private:
std::deque<ServiceWorkerRegisterJobBase*> jobs_;
};
typedef std::map<GURL, JobQueue> RegistrationJobMap;
// The ServiceWorkerContextCore object should always outlive the
// job coordinator, the core owns the coordinator.
base::WeakPtr<ServiceWorkerContextCore> context_;
RegistrationJobMap job_queues_;
DISALLOW_COPY_AND_ASSIGN(ServiceWorkerJobCoordinator);
};
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_JOB_COORDINATOR_H_
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