content/public/browser/storage_partition.h

   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.
   4
   5 #ifndef CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_
   6 #define CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_
   7
   8 #include <string>
   9
  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"
  15
  16 class GURL;
  17
  18 namespace base {
  19 class Time;
  20 }
  21
  22 namespace storage {
  23 class FileSystemContext;
  24 }
  25
  26 namespace net {
  27 class URLRequestContextGetter;
  28 }
  29
  30 namespace storage {
  31 class QuotaManager;
  32 class SpecialStoragePolicy;
  33 }
  34
  35 namespace storage {
  36 class DatabaseTracker;
  37 }
  38
  39 namespace content {
  40
  41 class AppCacheService;
  42 class BackgroundSyncContext;
  43 class BrowserContext;
  44 class HostZoomLevelContext;
  45 class HostZoomMap;
  46 class DOMStorageContext;
  47 class GeofencingManager;
  48 class IndexedDBContext;
  49 class NavigatorConnectContext;
  50 class PlatformNotificationContext;
  51 class ServiceWorkerContext;
  52 class ZoomLevelDelegate;
  53
  54 // Defines what persistent state a child process can access.
  55 //
  56 // The StoragePartition defines the view each child process has of the
  57 // persistent state inside the BrowserContext. This is used to implement
  58 // isolated storage where a renderer with isolated storage cannot see
  59 // the cookies, localStorage, etc., that normal web renderers have access to.
  60 class CONTENT_EXPORT StoragePartition {
  61  public:
  62   virtual base::FilePath GetPath() = 0;
  63   virtual net::URLRequestContextGetter* GetURLRequestContext() = 0;
  64   virtual net::URLRequestContextGetter* GetMediaURLRequestContext() = 0;
  65   virtual storage::QuotaManager* GetQuotaManager() = 0;
  66   virtual AppCacheService* GetAppCacheService() = 0;
  67   virtual storage::FileSystemContext* GetFileSystemContext() = 0;
  68   virtual storage::DatabaseTracker* GetDatabaseTracker() = 0;
  69   virtual DOMStorageContext* GetDOMStorageContext() = 0;
  70   virtual IndexedDBContext* GetIndexedDBContext() = 0;
  71   virtual ServiceWorkerContext* GetServiceWorkerContext() = 0;
  72   virtual GeofencingManager* GetGeofencingManager() = 0;
  73   virtual HostZoomMap* GetHostZoomMap() = 0;
  74   virtual HostZoomLevelContext* GetHostZoomLevelContext() = 0;
  75   virtual ZoomLevelDelegate* GetZoomLevelDelegate() = 0;
  76   virtual NavigatorConnectContext* GetNavigatorConnectContext() = 0;
  77   virtual PlatformNotificationContext* GetPlatformNotificationContext() = 0;
  78   virtual BackgroundSyncContext* GetBackgroundSyncContext() = 0;
  79
  80   static const uint32 REMOVE_DATA_MASK_APPCACHE        = 1 << 0;
  81   static const uint32 REMOVE_DATA_MASK_COOKIES         = 1 << 1;
  82   static const uint32 REMOVE_DATA_MASK_FILE_SYSTEMS    = 1 << 2;
  83   static const uint32 REMOVE_DATA_MASK_INDEXEDDB       = 1 << 3;
  84   static const uint32 REMOVE_DATA_MASK_LOCAL_STORAGE   = 1 << 4;
  85   static const uint32 REMOVE_DATA_MASK_SHADER_CACHE    = 1 << 5;
  86   static const uint32 REMOVE_DATA_MASK_WEBSQL          = 1 << 6;
  87   static const uint32 REMOVE_DATA_MASK_WEBRTC_IDENTITY = 1 << 7;
  88   static const uint32 REMOVE_DATA_MASK_SERVICE_WORKERS = 1 << 8;
  89   static const uint32 REMOVE_DATA_MASK_ALL             = 0xFFFFFFFF;
  90
  91   // Corresponds to storage::kStorageTypeTemporary.
  92   static const uint32 QUOTA_MANAGED_STORAGE_MASK_TEMPORARY  = 1 << 0;
  93   // Corresponds to storage::kStorageTypePersistent.
  94   static const uint32 QUOTA_MANAGED_STORAGE_MASK_PERSISTENT = 1 << 1;
  95   // Corresponds to storage::kStorageTypeSyncable.
  96   static const uint32 QUOTA_MANAGED_STORAGE_MASK_SYNCABLE   = 1 << 2;
  97   static const uint32 QUOTA_MANAGED_STORAGE_MASK_ALL        = 0xFFFFFFFF;
  98
  99   // Starts an asynchronous task that does a best-effort clear the data
 100   // corresponding to the given |remove_mask| and |quota_storage_remove_mask|
 101   // inside this StoragePartition for the given |storage_origin|.
 102   // Note session dom storage is not cleared even if you specify
 103   // REMOVE_DATA_MASK_LOCAL_STORAGE.
 104   // |callback| is called when data deletion is done or at least the deletion is
 105   // scheduled.
 106   //
 107   // TODO(ajwong): Right now, the embedder may have some
 108   // URLRequestContextGetter objects that the StoragePartition does not know
 109   // about.  This will no longer be the case when we resolve
 110   // http://crbug.com/159193. Remove |request_context_getter| when that bug
 111   // is fixed.
 112   virtual void ClearDataForOrigin(uint32 remove_mask,
 113                                   uint32 quota_storage_remove_mask,
 114                                   const GURL& storage_origin,
 115                                   net::URLRequestContextGetter* rq_context,
 116                                   const base::Closure& callback) = 0;
 117
 118   // A callback type to check if a given origin matches a storage policy.
 119   // Can be passed empty/null where used, which means the origin will always
 120   // match.
 121   typedef base::Callback<bool(const GURL&, storage::SpecialStoragePolicy*)>
 122       OriginMatcherFunction;
 123
 124   // Similar to ClearDataForOrigin().
 125   // Deletes all data out fo the StoragePartition if |storage_origin| is
 126   // nullptr.
 127   // |origin_matcher| is present if special storage policy is to be handled,
 128   // otherwise the callback can be null (base::Callback::is_null() == true).
 129   // |callback| is called when data deletion is done or at least the deletion is
 130   // scheduled.
 131   virtual void ClearData(uint32 remove_mask,
 132                          uint32 quota_storage_remove_mask,
 133                          const GURL& storage_origin,
 134                          const OriginMatcherFunction& origin_matcher,
 135                          const base::Time begin,
 136                          const base::Time end,
 137                          const base::Closure& callback) = 0;
 138
 139   // Write any unwritten data to disk.
 140   // Note: this method does not sync the data - it only ensures that any
 141   // unwritten data has been written out to the filesystem.
 142   virtual void Flush() = 0;
 143
 144  protected:
 145   virtual ~StoragePartition() {}
 146 };
 147
 148 }  // namespace content
 149
 150 #endif  // CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_