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 class SingleThreadTaskRunner;
  21 }
  22
  23 namespace net {
  24 class URLRequestContextGetter;
  25 }
  26
  27 namespace storage {
  28 class QuotaManagerProxy;
  29 class SpecialStoragePolicy;
  30 }
  31
  32 namespace content {
  33
  34 class BrowserContext;
  35 class ChromeBlobStorageContext;
  36 class ServiceWorkerContextCore;
  37 class ServiceWorkerContextObserver;
  38
  39 // A refcounted wrapper class for our core object. Higher level content lib
  40 // classes keep references to this class on mutliple threads. The inner core
  41 // instance is strictly single threaded and is not refcounted, the core object
  42 // is what is used internally in the service worker lib.
  43 class CONTENT_EXPORT ServiceWorkerContextWrapper
  44     : NON_EXPORTED_BASE(public ServiceWorkerContext),
  45       public base::RefCountedThreadSafe<ServiceWorkerContextWrapper> {
  46  public:
  47   ServiceWorkerContextWrapper(BrowserContext* browser_context);
  48
  49   // Init and Shutdown are for use on the UI thread when the profile,
  50   // storagepartition is being setup and torn down.
  51   void Init(const base::FilePath& user_data_directory,
  52             storage::QuotaManagerProxy* quota_manager_proxy,
  53             storage::SpecialStoragePolicy* special_storage_policy);
  54   void Shutdown();
  55
  56   // Deletes all files on disk and restarts the system asynchronously. This
  57   // leaves the system in a disabled state until it's done. This should be
  58   // called on the IO thread.
  59   void DeleteAndStartOver();
  60
  61   // The core context is only for use on the IO thread.
  62   ServiceWorkerContextCore* context();
  63
  64   // The process manager can be used on either UI or IO.
  65   ServiceWorkerProcessManager* process_manager() {
  66     return process_manager_.get();
  67   }
  68
  69   // ServiceWorkerContext implementation:
  70   void RegisterServiceWorker(const GURL& pattern,
  71                              const GURL& script_url,
  72                              const ResultCallback& continuation) override;
  73   void UnregisterServiceWorker(const GURL& pattern,
  74                                const ResultCallback& continuation) override;
  75   void GetAllOriginsInfo(const GetUsageInfoCallback& callback) override;
  76   void DeleteForOrigin(const GURL& origin_url) override;
  77
  78   // DeleteForOrigin with completion callback.  Does not exit early, and returns
  79   // false if one or more of the deletions fail.
  80   virtual void DeleteForOrigin(const GURL& origin_url,
  81                                const ResultCallback& done);
  82
  83   void AddObserver(ServiceWorkerContextObserver* observer);
  84   void RemoveObserver(ServiceWorkerContextObserver* observer);
  85
  86   bool is_incognito() const { return is_incognito_; }
  87
  88   // The URLRequestContext doesn't exist until after the StoragePartition is
  89   // made (which is after this object is made). This function must be called
  90   // after this object is created but before any ServiceWorkerCache operations.
  91   // It must be called on the IO thread. If either parameter is NULL the
  92   // function immediately returns without forwarding to the
  93   // ServiceWorkerCacheStorageManager.
  94   void SetBlobParametersForCache(
  95       net::URLRequestContextGetter* request_context,
  96       ChromeBlobStorageContext* blob_storage_context);
  97
  98  private:
  99   friend class base::RefCountedThreadSafe<ServiceWorkerContextWrapper>;
 100   friend class EmbeddedWorkerTestHelper;
 101   friend class ServiceWorkerProcessManager;
 102   friend class MockServiceWorkerContextWrapper;
 103
 104   ~ServiceWorkerContextWrapper() override;
 105
 106   void InitInternal(
 107       const base::FilePath& user_data_directory,
 108       const scoped_refptr<base::SequencedTaskRunner>& stores_task_runner,
 109       scoped_ptr<ServiceWorkerDatabaseTaskManager> database_task_manager,
 110       const scoped_refptr<base::SingleThreadTaskRunner>& disk_cache_thread,
 111       storage::QuotaManagerProxy* quota_manager_proxy,
 112       storage::SpecialStoragePolicy* special_storage_policy);
 113   void ShutdownOnIO();
 114
 115   void DidDeleteAndStartOver(ServiceWorkerStatusCode status);
 116
 117   void DidGetAllRegistrationsForGetAllOrigins(
 118       const GetUsageInfoCallback& callback,
 119       const std::vector<ServiceWorkerRegistrationInfo>& registrations);
 120
 121   const scoped_refptr<ObserverListThreadSafe<ServiceWorkerContextObserver> >
 122       observer_list_;
 123   const scoped_ptr<ServiceWorkerProcessManager> process_manager_;
 124   // Cleared in Shutdown():
 125   scoped_ptr<ServiceWorkerContextCore> context_core_;
 126
 127   // Initialized in Init(); true if the user data directory is empty.
 128   bool is_incognito_;
 129 };
 130
 131 }  // namespace content
 132
 133 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_