ServiceWorker: Make '.ready' return a promise to be resolved with ServiceWorkerRegistration (2/3)

content/child/service_worker/service_worker_provider_context.h

 // 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_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
 
 #include <set>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/synchronization/lock.h"
 #include "content/common/service_worker/service_worker_types.h"
 
 namespace base {
 class MessageLoopProxy;
 }
 
 namespace IPC {
 class Message;
 }
 
 namespace content {
 
 class ServiceWorkerHandleReference;
+class ServiceWorkerRegistrationHandleReference;
 struct ServiceWorkerProviderContextDeleter;
 class ThreadSafeSender;
 
 // An instance of this class holds document-related information (e.g.
 // .controller). Created and destructed on the main thread.
 // TODO(kinuko): To support navigator.serviceWorker in dedicated workers
 // this needs to be RefCountedThreadSafe and .controller info needs to be
 // handled in a thread-safe manner (e.g. by a lock etc).
 class ServiceWorkerProviderContext
     : public base::RefCounted<ServiceWorkerProviderContext> {
  public:
   explicit ServiceWorkerProviderContext(int provider_id);
 
   // Called from ServiceWorkerDispatcher.
   void OnServiceWorkerStateChanged(int handle_id,
                                    blink::WebServiceWorkerState state);
   void OnSetInstallingServiceWorker(int provider_id,
                                     const ServiceWorkerObjectInfo& info);
   void OnSetWaitingServiceWorker(int provider_id,
                                  const ServiceWorkerObjectInfo& info);
   void OnSetActiveServiceWorker(int provider_id,
                                 const ServiceWorkerObjectInfo& info);
   void OnSetControllerServiceWorker(int provider_id,
                                     const ServiceWorkerObjectInfo& info);
 
+  void AssociateRegistration(const ServiceWorkerRegistrationObjectInfo& info);
+  void UnassociateRegistration();
+
   int provider_id() const { return provider_id_; }
 
   ServiceWorkerHandleReference* installing();
   ServiceWorkerHandleReference* waiting();
   ServiceWorkerHandleReference* active();
   ServiceWorkerHandleReference* controller();
 
+  ServiceWorkerRegistrationHandleReference* registration();
+
   // Gets the handle ID of the installing Service Worker, or
   // kInvalidServiceWorkerHandleId if the provider does not have a
   // installing Service Worker.
   int installing_handle_id() const;
 
   // Gets the handle ID of the waiting Service Worker, or
   // kInvalidServiceWorkerHandleId if the provider does not have a
   // waiting Service Worker.
   int waiting_handle_id() const;
 
   // Gets the handle ID of the active Service Worker, or
   // kInvalidServiceWorkerHandleId if the provider does not have an active
   // Service Worker.
   int active_handle_id() const;
 
   // Gets the handle ID of the controller Service Worker, or
   // kInvalidServiceWorkerHandleId if the provider is not controlled
   // by a Service Worker.
   int controller_handle_id() const;
 
+  // Gets the handle ID of the associated registration, or
+  // kInvalidRegistrationHandleId if the provider does not have a ready
+  // Service Worker registration.
+  int registration_handle_id() const;
+
  private:
   friend class base::RefCounted<ServiceWorkerProviderContext>;
   ~ServiceWorkerProviderContext();
 
   const int provider_id_;
   scoped_refptr<base::MessageLoopProxy> main_thread_loop_proxy_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_ptr<ServiceWorkerHandleReference> installing_;
   scoped_ptr<ServiceWorkerHandleReference> waiting_;
   scoped_ptr<ServiceWorkerHandleReference> active_;
   scoped_ptr<ServiceWorkerHandleReference> controller_;
 
+  scoped_ptr<ServiceWorkerRegistrationHandleReference> registration_;
+
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderContext);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_