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1 // Copyright (c) 2011 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 CHROME_BROWSER_BROWSING_DATA_QUOTA_HELPER_H_ | |
6 #define CHROME_BROWSER_BROWSING_DATA_QUOTA_HELPER_H_ | |
7 #pragma once | |
8 | |
9 #include <string> | |
10 #include <vector> | |
11 | |
12 #include "base/callback_old.h" | |
13 #include "base/memory/ref_counted.h" | |
14 #include "base/time.h" | |
15 #include "content/browser/browser_thread.h" | |
16 #include "webkit/quota/quota_types.h" | |
17 | |
18 class Profile; | |
19 | |
20 namespace quota { | |
21 class QuotaManager; | |
22 } | |
23 | |
24 // This class is an interface class to bridge between Cookies Tree and Unified | |
25 // Quota System. This class provides a way to get usage and quota information | |
26 // through the instance. | |
27 // | |
28 // Call Create to create an instance for a profile and call StartFetching with | |
29 // a callback to fetch information asynchronously. If result is no longer needed | |
30 // after StartFetching, call CancelNotification to prevent callback. | |
31 // | |
32 // Parallel fetching is not allowed, a fetching task should start after end of | |
33 // previous task. All method of this class should called from UI thread. | |
34 // | |
35 // QuotaInfo contains host-based quota and usage informations for persistent | |
kinuko
2011/07/25 13:22:41
nit: should this comment be moved at the definitio
tzik
2011/07/26 10:52:41
Done.
| |
36 // and temporary storage. | |
37 class BrowsingDataQuotaHelper | |
38 : public base::RefCountedThreadSafe<BrowsingDataQuotaHelper, | |
39 BrowserThread::DeleteOnIOThread> { | |
kinuko
2011/07/25 13:22:41
As we chatted locally, we should either 1) use Mes
tzik
2011/07/26 10:52:41
Done.
I modified them as 1).
We can easily switch
| |
40 public: | |
41 struct QuotaInfo { | |
42 QuotaInfo(); | |
43 explicit QuotaInfo(const std::string& host); | |
44 QuotaInfo(const std::string& host, | |
45 int64 temporary_usage, | |
46 int64 persistent_usage, | |
47 int64 persistent_quota); | |
48 ~QuotaInfo(); | |
49 | |
50 std::string host; | |
51 int64 temporary_usage; | |
52 int64 persistent_usage; | |
53 int64 persistent_quota; | |
54 }; | |
55 | |
56 typedef std::vector<QuotaInfo> QuotaInfoList; | |
57 typedef Callback1<const QuotaInfoList&>::Type FetchResultCallback; | |
58 | |
59 static BrowsingDataQuotaHelper* Create(Profile* profile); | |
60 | |
61 virtual void StartFetching(FetchResultCallback* callback) = 0; | |
62 virtual void CancelNotification() = 0; | |
63 | |
64 // We don't support deletion now. | |
65 virtual void DeleteQuotaHost(const std::string& host) {} | |
66 | |
67 protected: | |
68 BrowsingDataQuotaHelper() { } | |
69 virtual ~BrowsingDataQuotaHelper() { } | |
kinuko
2011/07/25 13:22:41
no space between { } ?
tzik
2011/07/26 10:52:41
Done.
| |
70 | |
71 private: | |
72 friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>; | |
73 friend class DeleteTask<BrowsingDataQuotaHelper>; | |
74 | |
75 DISALLOW_COPY_AND_ASSIGN(BrowsingDataQuotaHelper); | |
76 }; | |
77 | |
78 bool operator <(const BrowsingDataQuotaHelper::QuotaInfo& lhs, | |
79 const BrowsingDataQuotaHelper::QuotaInfo& rhs); | |
80 bool operator ==(const BrowsingDataQuotaHelper::QuotaInfo& lhs, | |
kinuko
2011/07/25 13:22:41
Is this really necessary? (Just asking)
tzik
2011/07/26 10:52:41
We need it for
browsing_data_quota_helper_unittest
| |
81 const BrowsingDataQuotaHelper::QuotaInfo& rhs); | |
82 | |
83 #endif // CHROME_BROWSER_BROWSING_DATA_QUOTA_HELPER_H_ | |
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