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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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