1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_H_
6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_H_
8 #include "base/basictypes.h"
9 #include "base/gtest_prod_util.h"
10 #include "base/logging.h"
11 #include "base/memory/ref_counted.h"
12 #include "base/memory/scoped_ptr.h"
13 #include "content/browser/service_worker/service_worker_version.h"
14 #include "content/common/content_export.h"
19 class ServiceWorkerVersion;
21 // This class manages all persistence of service workers:
23 // - Mapping of caches to registrations / versions
25 // This is the place where we manage simultaneous
26 // requests for the same registrations and caches, making sure that
27 // two pages that are registering the same pattern at the same time
28 // have their registrations coalesced rather than overwriting each
31 // This class also manages the state of the upgrade process, which
32 // includes managing which ServiceWorkerVersion is "active" vs "in
33 // waiting" (or "pending")
34 class CONTENT_EXPORT ServiceWorkerRegistration
35 : NON_EXPORTED_BASE(public base::RefCounted<ServiceWorkerRegistration>) {
37 ServiceWorkerRegistration(const GURL& pattern,
38 const GURL& script_url,
39 int64 registration_id);
42 bool is_shutdown() const { return is_shutdown_; }
44 int64 id() const { return registration_id_; }
45 const GURL& script_url() const { return script_url_; }
46 const GURL& pattern() const { return pattern_; }
48 ServiceWorkerVersion* active_version() const {
49 DCHECK(!is_shutdown_);
50 return active_version_.get();
53 ServiceWorkerVersion* pending_version() const {
54 DCHECK(!is_shutdown_);
55 return pending_version_.get();
58 void set_active_version(ServiceWorkerVersion* version) {
59 DCHECK(!is_shutdown_);
60 active_version_ = version;
63 void set_pending_version(ServiceWorkerVersion* version) {
64 DCHECK(!is_shutdown_);
65 pending_version_ = version;
68 // The final synchronous switchover after all events have been
69 // fired, and the old "active version" is being shut down.
70 void ActivatePendingVersion();
73 virtual ~ServiceWorkerRegistration();
74 friend class base::RefCounted<ServiceWorkerRegistration>;
77 const GURL script_url_;
78 const int64 registration_id_;
80 scoped_refptr<ServiceWorkerVersion> active_version_;
81 scoped_refptr<ServiceWorkerVersion> pending_version_;
85 DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegistration);
87 } // namespace content
88 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_H_