ServiceWorker: Send state change events via SWProviderHost

content/browser/service_worker/service_worker_provider_host.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_PROVIDER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 97 matching lines @@
   // the request doesn't require special handling.
   scoped_ptr<ServiceWorkerRequestHandler> CreateRequestHandler(
       FetchRequestMode request_mode,
       FetchCredentialsMode credentials_mode,
       ResourceType resource_type,
       RequestContextType request_context_type,
       RequestContextFrameType frame_type,
       base::WeakPtr<storage::BlobStorageContext> blob_storage_context,
       scoped_refptr<ResourceRequestBody> body);
 
+  // Creates a ServiceWorkerHandle to retain |version| and returns a
+  // ServiceWorkerInfo with a newly created handle ID. The handle is held in
+  // the dispatcher host until its ref-count becomes zero via
+  // OnDecrementServiceWorkerRefCount.

[kinuko, 2015/01/22 06:30:52]

nit: 'via OnDecrementServiceWorkerRefCount' part could be probably dropped
(feels a bit out of context) now that this method's no longer on DispatcherHost,
where the deref method is defined.

[nhiroki, 2015/01/22 07:05:58]

Done.

+  ServiceWorkerObjectInfo CreateAndRegisterServiceWorkerHandle(
+      ServiceWorkerVersion* version);
+
   // Returns true if |registration| can be associated with this provider.
   bool CanAssociateRegistration(ServiceWorkerRegistration* registration);
 
   // For use by the ServiceWorkerControlleeRequestHandler to disallow
   // new registration association while a navigation is occurring and
   // an existing registration is being looked for.
   void SetAllowAssociation(bool allow) { allow_association_ = allow; }
 
   // Returns true if the context referred to by this host (i.e. |context_|) is
   // still alive.
@@ skipping 20 matching lines @@
   void PrepareForCrossSiteTransfer();
   void CompleteCrossSiteTransfer(
       int new_process_id,
       int new_frame_id,
       int new_provider_id,
       ServiceWorkerDispatcherHost* dispatcher_host);
   ServiceWorkerDispatcherHost* dispatcher_host() const {
     return dispatcher_host_;
   }
 
+  // Called from ServiceWorkerRegistrationHandle.
+  void SendUpdateFoundMessage(
+      const ServiceWorkerRegistrationObjectInfo& object_info);
+  void SendSetVersionAttributesMessage(
+      int registration_handle_id,
+      ChangedVersionAttributesMask changed_mask,
+      ServiceWorkerVersion* installing_version,
+      ServiceWorkerVersion* waiting_version,
+      ServiceWorkerVersion* active_version);
+
+  // Called from ServiceWorkerHandle.
+  void SendServiceWorkerStateChangedMessage(
+      int worker_handle_id,
+      blink::WebServiceWorkerState state);
+
  private:
   friend class ServiceWorkerProviderHostTest;
   friend class ServiceWorkerWriteToCacheJobTest;
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerContextRequestHandlerTest,
                            UpdateBefore24Hours);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerContextRequestHandlerTest,
                            UpdateAfter24Hours);
 
   // ServiceWorkerRegistration::Listener overrides.
   void OnRegistrationFailed(ServiceWorkerRegistration* registration) override;
@@ skipping 23 matching lines @@
   base::WeakPtr<ServiceWorkerContextCore> context_;
   ServiceWorkerDispatcherHost* dispatcher_host_;
   bool allow_association_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_