src/content/browser/service_worker/service_worker_context_wrapper.h

   1 // Copyright 2013 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_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
   6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
   7
   8 #include <vector>
   9
  10 #include "base/files/file_path.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "content/browser/service_worker/service_worker_context_core.h"
  14 #include "content/common/content_export.h"
  15 #include "content/public/browser/service_worker_context.h"
  16
  17 namespace base {
  18 class FilePath;
  19 class SequencedTaskRunner;
  20 }
  21
  22 namespace quota {
  23 class QuotaManagerProxy;
  24 }
  25
  26 namespace content {
  27
  28 class BrowserContext;
  29 class ServiceWorkerContextCore;
  30 class ServiceWorkerContextObserver;
  31
  32 // A refcounted wrapper class for our core object. Higher level content lib
  33 // classes keep references to this class on mutliple threads. The inner core
  34 // instance is strictly single threaded and is not refcounted, the core object
  35 // is what is used internally in the service worker lib.
  36 class CONTENT_EXPORT ServiceWorkerContextWrapper
  37     : NON_EXPORTED_BASE(public ServiceWorkerContext),
  38       public base::RefCountedThreadSafe<ServiceWorkerContextWrapper> {
  39  public:
  40   ServiceWorkerContextWrapper(BrowserContext* browser_context);
  41
  42   // Init and Shutdown are for use on the UI thread when the profile,
  43   // storagepartition is being setup and torn down.
  44   void Init(const base::FilePath& user_data_directory,
  45             quota::QuotaManagerProxy* quota_manager_proxy);
  46   void Shutdown();
  47
  48   // The core context is only for use on the IO thread.
  49   ServiceWorkerContextCore* context();
  50
  51   // ServiceWorkerContext implementation:
  52   virtual void RegisterServiceWorker(
  53       const GURL& pattern,
  54       const GURL& script_url,
  55       const ResultCallback& continuation) OVERRIDE;
  56   virtual void UnregisterServiceWorker(const GURL& pattern,
  57                                        const ResultCallback& continuation)
  58       OVERRIDE;
  59
  60   void AddObserver(ServiceWorkerContextObserver* observer);
  61   void RemoveObserver(ServiceWorkerContextObserver* observer);
  62
  63  private:
  64   friend class base::RefCountedThreadSafe<ServiceWorkerContextWrapper>;
  65   friend class EmbeddedWorkerTestHelper;
  66   friend class ServiceWorkerProcessManager;
  67   virtual ~ServiceWorkerContextWrapper();
  68
  69   void InitForTesting(const base::FilePath& user_data_directory,
  70                       base::SequencedTaskRunner* database_task_runner,
  71                       quota::QuotaManagerProxy* quota_manager_proxy);
  72   void InitInternal(const base::FilePath& user_data_directory,
  73                     base::SequencedTaskRunner* database_task_runner,
  74                     quota::QuotaManagerProxy* quota_manager_proxy);
  75
  76   const scoped_refptr<ObserverListThreadSafe<ServiceWorkerContextObserver> >
  77       observer_list_;
  78   // Cleared in Shutdown():
  79   BrowserContext* browser_context_;
  80   scoped_ptr<ServiceWorkerContextCore> context_core_;
  81 };
  82
  83 }  // namespace content
  84
  85 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_