EmbeddedWorker, browser side code

content/browser/service_worker/service_worker_version.h

 // Copyright 2013 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_VERSION_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "content/common/content_export.h"
 
 class GURL;
 
 namespace content {
 
+class EmbeddedWorkerInstance;
+class EmbeddedWorkerRegistry;
+class ServiceWorkerProviderHost;
 class ServiceWorkerRegistration;
 
 // This class corresponds to a specific version of a ServiceWorker
 // script for a given pattern. When a script is upgraded, there may be
 // more than one ServiceWorkerVersion "running" at a time, but only
 // one of them is active. This class connects the actual script with a
 // running worker.
 // Instances of this class are in one of two install states:
 // - Pending: The script is in the process of being installed. There
 //            may be another active script running.
@@ skipping 17 matching lines @@
 // events. During the Active state, it can receive other events such
 // as 'fetch'.
 //
 // And finally, is_shutdown_ is detects the live-ness of the object
 // itself. If the object is shut down, then it is in the process of
 // being deleted from memory. This happens when a version is replaced
 // as well as at browser shutdown.
 class CONTENT_EXPORT ServiceWorkerVersion
     : NON_EXPORTED_BASE(public base::RefCounted<ServiceWorkerVersion>) {
  public:
-  explicit ServiceWorkerVersion(ServiceWorkerRegistration* registration);
+  ServiceWorkerVersion(
+      ServiceWorkerRegistration* registration,
+      EmbeddedWorkerRegistry* worker_registry,
+      int64 version_id);
+
+  int64 version_id() const { return version_id_; }
 
   void Shutdown();
   bool is_shutdown() const { return is_shutdown_; }
 
+  // Starts and stops an embedded worker for this version.
+  void StartWorker();
+  void StopWorker();
+
+  // Called when this version is associated to a provider host.
+  // Non-null |provider_host| must be given.
+  void OnAssociateProvider(ServiceWorkerProviderHost* provider_host);
+  void OnUnassociateProvider(ServiceWorkerProviderHost* provider_host);
+
  private:
+  friend class base::RefCounted<ServiceWorkerVersion>;
+
   ~ServiceWorkerVersion();
-  friend class base::RefCounted<ServiceWorkerVersion>;
+
+  const int64 version_id_;
 
   bool is_shutdown_;
   scoped_refptr<ServiceWorkerRegistration> registration_;
 
+  scoped_ptr<EmbeddedWorkerInstance> embedded_worker_;
+
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerVersion);
 };
+
 }  // namespace content
+
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_