1 // Copyright (c) 2012 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.
5 #ifndef CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_
6 #define CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_
10 #include "base/basictypes.h"
11 #include "base/callback_forward.h"
12 #include "base/files/file_path.h"
13 #include "base/time/time.h"
14 #include "content/common/content_export.h"
23 class FileSystemContext;
27 class URLRequestContextGetter;
32 class SpecialStoragePolicy;
35 namespace webkit_database {
36 class DatabaseTracker;
41 class AppCacheService;
43 class IndexedDBContext;
44 class DOMStorageContext;
45 class ServiceWorkerContext;
47 // Defines what persistent state a child process can access.
49 // The StoragePartition defines the view each child process has of the
50 // persistent state inside the BrowserContext. This is used to implement
51 // isolated storage where a renderer with isolated storage cannot see
52 // the cookies, localStorage, etc., that normal web renderers have access to.
53 class CONTENT_EXPORT StoragePartition {
55 virtual base::FilePath GetPath() = 0;
56 virtual net::URLRequestContextGetter* GetURLRequestContext() = 0;
57 virtual net::URLRequestContextGetter* GetMediaURLRequestContext() = 0;
58 virtual quota::QuotaManager* GetQuotaManager() = 0;
59 virtual AppCacheService* GetAppCacheService() = 0;
60 virtual fileapi::FileSystemContext* GetFileSystemContext() = 0;
61 virtual webkit_database::DatabaseTracker* GetDatabaseTracker() = 0;
62 virtual DOMStorageContext* GetDOMStorageContext() = 0;
63 virtual IndexedDBContext* GetIndexedDBContext() = 0;
64 virtual ServiceWorkerContext* GetServiceWorkerContext() = 0;
66 static const uint32 REMOVE_DATA_MASK_APPCACHE = 1 << 0;
67 static const uint32 REMOVE_DATA_MASK_COOKIES = 1 << 1;
68 static const uint32 REMOVE_DATA_MASK_FILE_SYSTEMS = 1 << 2;
69 static const uint32 REMOVE_DATA_MASK_INDEXEDDB = 1 << 3;
70 static const uint32 REMOVE_DATA_MASK_LOCAL_STORAGE = 1 << 4;
71 static const uint32 REMOVE_DATA_MASK_SHADER_CACHE = 1 << 5;
72 static const uint32 REMOVE_DATA_MASK_WEBSQL = 1 << 6;
73 static const uint32 REMOVE_DATA_MASK_WEBRTC_IDENTITY = 1 << 7;
74 static const uint32 REMOVE_DATA_MASK_SERVICE_WORKERS = 1 << 8;
75 static const uint32 REMOVE_DATA_MASK_ALL = 0xFFFFFFFF;
77 // Corresponds to quota::kStorageTypeTemporary.
78 static const uint32 QUOTA_MANAGED_STORAGE_MASK_TEMPORARY = 1 << 0;
79 // Corresponds to quota::kStorageTypePersistent.
80 static const uint32 QUOTA_MANAGED_STORAGE_MASK_PERSISTENT = 1 << 1;
81 // Corresponds to quota::kStorageTypeSyncable.
82 static const uint32 QUOTA_MANAGED_STORAGE_MASK_SYNCABLE = 1 << 2;
83 static const uint32 QUOTA_MANAGED_STORAGE_MASK_ALL = 0xFFFFFFFF;
85 // Starts an asynchronous task that does a best-effort clear the data
86 // corresponding to the given |remove_mask| and |quota_storage_remove_mask|
87 // inside this StoragePartition for the given |storage_origin|.
88 // Note session dom storage is not cleared even if you specify
89 // REMOVE_DATA_MASK_LOCAL_STORAGE.
90 // |callback| is called when data deletion is done or at least the deletion is
93 // TODO(ajwong): Right now, the embedder may have some
94 // URLRequestContextGetter objects that the StoragePartition does not know
95 // about. This will no longer be the case when we resolve
96 // http://crbug.com/159193. Remove |request_context_getter| when that bug
98 virtual void ClearDataForOrigin(uint32 remove_mask,
99 uint32 quota_storage_remove_mask,
100 const GURL& storage_origin,
101 net::URLRequestContextGetter* rq_context,
102 const base::Closure& callback) = 0;
104 // A callback type to check if a given origin matches a storage policy.
105 // Can be passed empty/null where used, which means the origin will always
107 typedef base::Callback<bool(const GURL&,
108 quota::SpecialStoragePolicy*)>
109 OriginMatcherFunction;
111 // Similar to ClearDataForOrigin().
112 // Deletes all data out fo the StoragePartition if |storage_origin| is NULL.
113 // |origin_matcher| is present if special storage policy is to be handled,
114 // otherwise the callback can be null (base::Callback::is_null() == true).
115 // |callback| is called when data deletion is done or at least the deletion is
117 virtual void ClearData(uint32 remove_mask,
118 uint32 quota_storage_remove_mask,
119 const GURL& storage_origin,
120 const OriginMatcherFunction& origin_matcher,
121 const base::Time begin,
122 const base::Time end,
123 const base::Closure& callback) = 0;
126 virtual ~StoragePartition() {}
129 } // namespace content
131 #endif // CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_