content/child/service_worker/service_worker_provider_context.h

   1 // Copyright 2014 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.
   4
   5 #ifndef CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
   6 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
   7
   8 #include <set>
   9 #include <vector>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "base/sequenced_task_runner_helpers.h"
  13 #include "base/synchronization/lock.h"
  14 #include "content/common/service_worker/service_worker_types.h"
  15
  16 namespace base {
  17 class MessageLoopProxy;
  18 }
  19
  20 namespace IPC {
  21 class Message;
  22 }
  23
  24 namespace content {
  25
  26 class ServiceWorkerHandleReference;
  27 class ServiceWorkerRegistrationHandleReference;
  28 struct ServiceWorkerProviderContextDeleter;
  29 class ThreadSafeSender;
  30
  31 // An instance of this class holds document-related information (e.g.
  32 // .controller). Created and destructed on the main thread.
  33 // TODO(kinuko): To support navigator.serviceWorker in dedicated workers
  34 // this needs to be RefCountedThreadSafe and .controller info needs to be
  35 // handled in a thread-safe manner (e.g. by a lock etc).
  36 class ServiceWorkerProviderContext
  37     : public base::RefCounted<ServiceWorkerProviderContext> {
  38  public:
  39   explicit ServiceWorkerProviderContext(int provider_id);
  40
  41   // Called from ServiceWorkerDispatcher.
  42   void OnAssociateRegistration(const ServiceWorkerRegistrationObjectInfo& info,
  43                                const ServiceWorkerVersionAttributes& attrs);
  44   void OnDisassociateRegistration();
  45   void OnServiceWorkerStateChanged(int handle_id,
  46                                    blink::WebServiceWorkerState state);
  47   void OnSetControllerServiceWorker(const ServiceWorkerObjectInfo& info);
  48
  49   int provider_id() const { return provider_id_; }
  50
  51   ServiceWorkerHandleReference* controller();
  52   ServiceWorkerRegistrationHandleReference* registration();
  53
  54   ServiceWorkerVersionAttributes GetVersionAttributes();
  55   void SetVersionAttributes(ChangedVersionAttributesMask mask,
  56                             const ServiceWorkerVersionAttributes& attrs);
  57
  58   // Gets the handle ID of the installing Service Worker, or
  59   // kInvalidServiceWorkerHandleId if the provider does not have a
  60   // installing Service Worker.
  61   int installing_handle_id() const;
  62
  63   // Gets the handle ID of the waiting Service Worker, or
  64   // kInvalidServiceWorkerHandleId if the provider does not have a
  65   // waiting Service Worker.
  66   int waiting_handle_id() const;
  67
  68   // Gets the handle ID of the active Service Worker, or
  69   // kInvalidServiceWorkerHandleId if the provider does not have an active
  70   // Service Worker.
  71   int active_handle_id() const;
  72
  73   // Gets the handle ID of the controller Service Worker, or
  74   // kInvalidServiceWorkerHandleId if the provider is not controlled
  75   // by a Service Worker.
  76   int controller_handle_id() const;
  77
  78   // Gets the handle ID of the associated registration, or
  79   // kInvalidRegistrationHandleId if the provider is not associated with any
  80   // registration.
  81   int registration_handle_id() const;
  82
  83  private:
  84   friend class base::RefCounted<ServiceWorkerProviderContext>;
  85   ~ServiceWorkerProviderContext();
  86
  87   const int provider_id_;
  88   scoped_refptr<base::MessageLoopProxy> main_thread_loop_proxy_;
  89   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
  90   scoped_ptr<ServiceWorkerHandleReference> installing_;
  91   scoped_ptr<ServiceWorkerHandleReference> waiting_;
  92   scoped_ptr<ServiceWorkerHandleReference> active_;
  93   scoped_ptr<ServiceWorkerHandleReference> controller_;
  94   scoped_ptr<ServiceWorkerRegistrationHandleReference> registration_;
  95
  96   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderContext);
  97 };
  98
  99 }  // namespace content
 100
 101 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_