| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef WEBKIT_BROWSER_QUOTA_QUOTA_CLIENT_H_ |
| #define WEBKIT_BROWSER_QUOTA_QUOTA_CLIENT_H_ |
| |
| #include <list> |
| #include <set> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "url/gurl.h" |
| #include "webkit/browser/webkit_storage_browser_export.h" |
| #include "webkit/common/quota/quota_types.h" |
| |
| namespace quota { |
| |
| // An abstract interface for quota manager clients. |
| // Each storage API must provide an implementation of this interface and |
| // register it to the quota manager. |
| // All the methods are assumed to be called on the IO thread in the browser. |
| class WEBKIT_STORAGE_BROWSER_EXPORT QuotaClient { |
| public: |
| typedef base::Callback<void(int64 usage)> GetUsageCallback; |
| typedef base::Callback<void(const std::set<GURL>& origins)> |
| GetOriginsCallback; |
| typedef base::Callback<void(QuotaStatusCode status)> DeletionCallback; |
| |
| virtual ~QuotaClient() {} |
| |
| enum ID { |
| kUnknown = 1 << 0, |
| kFileSystem = 1 << 1, |
| kDatabase = 1 << 2, |
| kAppcache = 1 << 3, |
| kIndexedDatabase = 1 << 4, |
| kAllClientsMask = -1, |
| }; |
| |
| virtual ID id() const = 0; |
| |
| // Called when the quota manager is destroyed. |
| virtual void OnQuotaManagerDestroyed() = 0; |
| |
| // Called by the QuotaManager. |
| // Gets the amount of data stored in the storage specified by |
| // |origin_url| and |type|. |
| // Note it is safe to fire the callback after the QuotaClient is destructed. |
| virtual void GetOriginUsage(const GURL& origin_url, |
| StorageType type, |
| const GetUsageCallback& callback) = 0; |
| |
| // Called by the QuotaManager. |
| // Returns a list of origins that has data in the |type| storage. |
| // Note it is safe to fire the callback after the QuotaClient is destructed. |
| virtual void GetOriginsForType(StorageType type, |
| const GetOriginsCallback& callback) = 0; |
| |
| // Called by the QuotaManager. |
| // Returns a list of origins that match the |host|. |
| // Note it is safe to fire the callback after the QuotaClient is destructed. |
| virtual void GetOriginsForHost(StorageType type, |
| const std::string& host, |
| const GetOriginsCallback& callback) = 0; |
| |
| // Called by the QuotaManager. |
| // Note it is safe to fire the callback after the QuotaClient is destructed. |
| virtual void DeleteOriginData(const GURL& origin, |
| StorageType type, |
| const DeletionCallback& callback) = 0; |
| |
| virtual bool DoesSupport(StorageType type) const = 0; |
| }; |
| |
| // TODO(dmikurube): Replace it to std::vector for efficiency. |
| typedef std::list<QuotaClient*> QuotaClientList; |
| |
| } // namespace quota |
| |
| #endif // WEBKIT_BROWSER_QUOTA_QUOTA_CLIENT_H_ |