content/browser/service_worker/service_worker_storage.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_STORAGE_H_
   6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_STORAGE_H_
   7
   8 #include <map>
   9
  10 #include "base/bind.h"
  11 #include "base/files/file_path.h"
  12 #include "base/gtest_prod_util.h"
  13 #include "base/memory/scoped_vector.h"
  14 #include "content/common/content_export.h"
  15 #include "content/common/service_worker/service_worker_status_code.h"
  16 #include "url/gurl.h"
  17
  18 namespace quota {
  19 class QuotaManagerProxy;
  20 }
  21
  22 namespace content {
  23
  24 class ServiceWorkerRegistration;
  25
  26 // This class provides an interface to load registration data and
  27 // instantiate ServiceWorkerRegistration objects.
  28 class CONTENT_EXPORT ServiceWorkerStorage {
  29  public:
  30   typedef base::Callback<void(ServiceWorkerStatusCode status)> StatusCallback;
  31   typedef base::Callback<void(ServiceWorkerStatusCode status,
  32                               const scoped_refptr<ServiceWorkerRegistration>&
  33                                   registration)> FindRegistrationCallback;
  34
  35   ServiceWorkerStorage(const base::FilePath& path,
  36                        quota::QuotaManagerProxy* quota_manager_proxy);
  37   ~ServiceWorkerStorage();
  38
  39   // Finds registration for |document_url| or |pattern|.
  40   // Returns SERVICE_WORKER_OK with non-null registration if registration
  41   // is found, or returns SERVICE_WORKER_ERROR_NOT_FOUND if no matching
  42   // registration is found.
  43   void FindRegistrationForDocument(const GURL& document_url,
  44                                    const FindRegistrationCallback& callback);
  45   void FindRegistrationForPattern(const GURL& pattern,
  46                                   const FindRegistrationCallback& callback);
  47
  48   // Stores |registration|. Returns SERVICE_WORKER_ERROR_EXISTS if
  49   // conflicting registration (which has different script_url) is
  50   // already registered for the |registration|->pattern().
  51   void StoreRegistration(ServiceWorkerRegistration* registration,
  52                          const StatusCallback& callback);
  53
  54   // Deletes |registration|. This may return SERVICE_WORKER_ERROR_NOT_FOUND
  55   // if no matching registration is found.
  56   void DeleteRegistration(const GURL& pattern,
  57                           const StatusCallback& callback);
  58
  59   // Returns new registration ID which is guaranteed to be unique in
  60   // the storage.
  61   int64 NewRegistrationId();
  62
  63  private:
  64   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerStorageTest, PatternMatches);
  65
  66   typedef std::map<GURL, scoped_refptr<ServiceWorkerRegistration> >
  67       PatternToRegistrationMap;
  68
  69   static bool PatternMatches(const GURL& pattern, const GURL& script_url);
  70
  71   // This is the in-memory registration. Eventually the registration will be
  72   // persisted to disk.
  73   PatternToRegistrationMap registration_by_pattern_;
  74
  75   int last_registration_id_;
  76
  77   scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
  78   base::FilePath path_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerStorage);
  81 };
  82
  83 }  // namespace content
  84
  85 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_STORAGE_H_