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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef WEBKIT_BROWSER_QUOTA_QUOTA_CLIENT_H_ | 5 #include "storage/browser/quota/quota_client.h" |
| 6 #define WEBKIT_BROWSER_QUOTA_QUOTA_CLIENT_H_ | |
| 7 | |
| 8 #include <list> | |
| 9 #include <set> | |
| 10 #include <string> | |
| 11 | |
| 12 #include "base/callback.h" | |
| 13 #include "url/gurl.h" | |
| 14 #include "webkit/browser/storage_browser_export.h" | |
| 15 #include "webkit/common/quota/quota_types.h" | |
| 16 | |
| 17 namespace storage { | |
| 18 | |
| 19 // An abstract interface for quota manager clients. | |
| 20 // Each storage API must provide an implementation of this interface and | |
| 21 // register it to the quota manager. | |
| 22 // All the methods are assumed to be called on the IO thread in the browser. | |
| 23 class STORAGE_EXPORT QuotaClient { | |
| 24 public: | |
| 25 typedef base::Callback<void(int64 usage)> GetUsageCallback; | |
| 26 typedef base::Callback<void(const std::set<GURL>& origins)> | |
| 27 GetOriginsCallback; | |
| 28 typedef base::Callback<void(QuotaStatusCode status)> DeletionCallback; | |
| 29 | |
| 30 virtual ~QuotaClient() {} | |
| 31 | |
| 32 enum ID { | |
| 33 kUnknown = 1 << 0, | |
| 34 kFileSystem = 1 << 1, | |
| 35 kDatabase = 1 << 2, | |
| 36 kAppcache = 1 << 3, | |
| 37 kIndexedDatabase = 1 << 4, | |
| 38 kAllClientsMask = -1, | |
| 39 }; | |
| 40 | |
| 41 virtual ID id() const = 0; | |
| 42 | |
| 43 // Called when the quota manager is destroyed. | |
| 44 virtual void OnQuotaManagerDestroyed() = 0; | |
| 45 | |
| 46 // Called by the QuotaManager. | |
| 47 // Gets the amount of data stored in the storage specified by | |
| 48 // |origin_url| and |type|. | |
| 49 // Note it is safe to fire the callback after the QuotaClient is destructed. | |
| 50 virtual void GetOriginUsage(const GURL& origin_url, | |
| 51 StorageType type, | |
| 52 const GetUsageCallback& callback) = 0; | |
| 53 | |
| 54 // Called by the QuotaManager. | |
| 55 // Returns a list of origins that has data in the |type| storage. | |
| 56 // Note it is safe to fire the callback after the QuotaClient is destructed. | |
| 57 virtual void GetOriginsForType(StorageType type, | |
| 58 const GetOriginsCallback& callback) = 0; | |
| 59 | |
| 60 // Called by the QuotaManager. | |
| 61 // Returns a list of origins that match the |host|. | |
| 62 // Note it is safe to fire the callback after the QuotaClient is destructed. | |
| 63 virtual void GetOriginsForHost(StorageType type, | |
| 64 const std::string& host, | |
| 65 const GetOriginsCallback& callback) = 0; | |
| 66 | |
| 67 // Called by the QuotaManager. | |
| 68 // Note it is safe to fire the callback after the QuotaClient is destructed. | |
| 69 virtual void DeleteOriginData(const GURL& origin, | |
| 70 StorageType type, | |
| 71 const DeletionCallback& callback) = 0; | |
| 72 | |
| 73 virtual bool DoesSupport(StorageType type) const = 0; | |
| 74 }; | |
| 75 | |
| 76 // TODO(dmikurube): Replace it to std::vector for efficiency. | |
| 77 typedef std::list<QuotaClient*> QuotaClientList; | |
| 78 | |
| 79 } // namespace storage | |
| 80 | |
| 81 #endif // WEBKIT_BROWSER_QUOTA_QUOTA_CLIENT_H_ | |
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