ServiceWorker: Implement updatefound event and version attributes (Chromium)

content/child/service_worker/service_worker_dispatcher.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_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 14 matching lines @@
 namespace IPC {
 class Message;
 }
 
 namespace content {
 
 class ServiceWorkerMessageFilter;
 class ServiceWorkerProviderContext;
 class ThreadSafeSender;
 class WebServiceWorkerImpl;
+class WebServiceWorkerRegistrationImpl;
 struct ServiceWorkerObjectInfo;
 struct ServiceWorkerVersionAttributes;
 
 // This class manages communication with the browser process about
 // registration of the service worker, exposed to renderer and worker
 // scripts through methods like navigator.registerServiceWorker().
 class ServiceWorkerDispatcher : public WorkerTaskRunner::Observer {
  public:
   typedef blink::WebServiceWorkerProvider::WebServiceWorkerRegistrationCallbacks
       WebServiceWorkerRegistrationCallbacks;
@@ skipping 35 matching lines @@
   // |adopt_handle| is true, a ServiceWorkerHandleReference will be
   // adopted for the specified Service Worker.
   //
   // TODO(dominicc): The lifetime of WebServiceWorkerImpl is too tricky; this
   // method can return an existing WebServiceWorkerImpl, in which case
   // it is owned by a WebCore::ServiceWorker and the lifetime is not
   // being transferred to the owner; or it can create a
   // WebServiceWorkerImpl, in which case ownership is transferred to
   // the caller who must bounce it to a method that will associate it
   // with a WebCore::ServiceWorker.
-  WebServiceWorkerImpl* GetServiceWorker(const ServiceWorkerObjectInfo&,
-                                         bool adopt_handle);
+  WebServiceWorkerImpl* GetServiceWorker(
+      const ServiceWorkerObjectInfo& info,
+      bool adopt_handle);
+
+  // If an existing WebServiceWorkerRegistrationImpl exists for the
+  // registration, it is returned; otherwise a WebServiceWorkerRegistrationImpl
+  // is created and its ownership is transferred to the caller. If
+  // |adopt_handle| is true, a ServiceWorkerRegistrationHandleReference will be
+  // adopted for the specified registration.
+  WebServiceWorkerRegistrationImpl* GetServiceWorkerRegistration(
+      int registration_handle_id,
+      const ServiceWorkerObjectInfo& info,
+      bool adopt_handle);
 
   // |thread_safe_sender| needs to be passed in because if the call leads to
   // construction it will be needed.
   static ServiceWorkerDispatcher* GetOrCreateThreadSpecificInstance(
       ThreadSafeSender* thread_safe_sender);
 
   // Unlike GetOrCreateThreadSpecificInstance() this doesn't create a new
   // instance if thread-local instance doesn't exist.
   static ServiceWorkerDispatcher* GetThreadSpecificInstance();
 
  private:
   typedef IDMap<WebServiceWorkerRegistrationCallbacks,
       IDMapOwnPointer> CallbackMap;
   typedef std::map<int, blink::WebServiceWorkerProviderClient*> ScriptClientMap;
   typedef std::map<int, ServiceWorkerProviderContext*> ProviderContextMap;
   typedef std::map<int, WebServiceWorkerImpl*> WorkerObjectMap;
   typedef std::map<int, ServiceWorkerProviderContext*> WorkerToProviderMap;
+  typedef std::map<int, WebServiceWorkerRegistrationImpl*>
+      RegistrationObjectMap;
 
   friend class WebServiceWorkerImpl;
+  friend class WebServiceWorkerRegistrationImpl;
 
   // WorkerTaskRunner::Observer implementation.
   virtual void OnWorkerRunLoopStopped() OVERRIDE;
 
   void OnRegistered(int thread_id,
                     int request_id,
+                    int registration_handle_id,
                     const ServiceWorkerObjectInfo& info);
   void OnUnregistered(int thread_id,
                       int request_id);
   void OnRegistrationError(int thread_id,
                            int request_id,
                            blink::WebServiceWorkerError::ErrorType error_type,
                            const base::string16& message);
   void OnServiceWorkerStateChanged(int thread_id,
                                    int handle_id,
                                    blink::WebServiceWorkerState state);
   void OnSetVersionAttributes(int thread_id,
                               int provider_id,
+                              int registration_handle_id,
                               int changed_mask,
                               const ServiceWorkerVersionAttributes& attributes);
   void OnSetControllerServiceWorker(int thread_id,
                                     int provider_id,
                                     const ServiceWorkerObjectInfo& info);
   void OnPostMessage(int thread_id,
                      int provider_id,
                      const base::string16& message,
                      const std::vector<int>& sent_message_port_ids,
                      const std::vector<int>& new_routing_ids);
 
   void SetInstallingServiceWorker(
       int provider_id,
+      int registration_handle_id,
       const ServiceWorkerObjectInfo& info);
   void SetWaitingServiceWorker(
       int provider_id,
+      int registration_handle_id,
       const ServiceWorkerObjectInfo& info);
   void SetActiveServiceWorker(
       int provider_id,
+      int registration_handle_id,
       const ServiceWorkerObjectInfo& info);
 
   // Keeps map from handle_id to ServiceWorker object.
   void AddServiceWorker(int handle_id, WebServiceWorkerImpl* worker);
   void RemoveServiceWorker(int handle_id);
 
+  // Keeps map from registration_handle_id to ServiceWorkerRegistration object.
+  void AddServiceWorkerRegistration(
+      int registration_handle_id,
+      WebServiceWorkerRegistrationImpl* registration);
+  void RemoveServiceWorkerRegistration(
+      int registration_handle_id);
+
   CallbackMap pending_callbacks_;
   ScriptClientMap script_clients_;
   ProviderContextMap provider_contexts_;
   WorkerObjectMap service_workers_;
+  RegistrationObjectMap registrations_;
 
   // A map for ServiceWorkers that are associated to a particular document
   // (e.g. as .current).
   WorkerToProviderMap worker_to_provider_;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_