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[chromium-blink-merge.git] / chrome / browser / browsing_data / browsing_data_quota_helper_impl.h
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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.
5 #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_QUOTA_HELPER_IMPL_H_
6 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_QUOTA_HELPER_IMPL_H_
8 #include <map>
9 #include <set>
10 #include <string>
11 #include <utility>
13 #include "base/compiler_specific.h"
14 #include "base/memory/ref_counted.h"
15 #include "base/memory/weak_ptr.h"
16 #include "chrome/browser/browsing_data/browsing_data_quota_helper.h"
17 #include "storage/common/quota/quota_types.h"
19 class GURL;
21 namespace storage {
22 class QuotaManager;
25 // Implementation of BrowsingDataQuotaHelper. Since a client of
26 // BrowsingDataQuotaHelper should live in UI thread and QuotaManager lives in
27 // IO thread, we have to communicate over thread using PostTask.
28 class BrowsingDataQuotaHelperImpl : public BrowsingDataQuotaHelper {
29 public:
30 void StartFetching(const FetchResultCallback& callback) override;
31 void RevokeHostQuota(const std::string& host) override;
33 private:
34 BrowsingDataQuotaHelperImpl(base::SingleThreadTaskRunner* ui_thread,
35 base::SingleThreadTaskRunner* io_thread,
36 storage::QuotaManager* quota_manager);
37 ~BrowsingDataQuotaHelperImpl() override;
39 void FetchQuotaInfo();
41 // Callback function for GetOriginModifiedSince.
42 void GotOrigins(const std::set<GURL>& origins, storage::StorageType type);
44 void ProcessPendingHosts();
45 void GetHostUsage(const std::string& host, storage::StorageType type);
47 // Callback function for GetHostUsage.
48 void GotHostUsage(const std::string& host,
49 storage::StorageType type,
50 int64 usage);
52 void OnComplete();
53 void DidRevokeHostQuota(storage::QuotaStatusCode status, int64 quota);
55 scoped_refptr<storage::QuotaManager> quota_manager_;
56 FetchResultCallback callback_;
58 typedef std::set<std::pair<std::string, storage::StorageType> > PendingHosts;
59 PendingHosts pending_hosts_;
60 std::map<std::string, QuotaInfo> quota_info_;
62 bool is_fetching_ = false;
64 scoped_refptr<base::SingleThreadTaskRunner> ui_thread_;
65 scoped_refptr<base::SingleThreadTaskRunner> io_thread_;
66 base::WeakPtrFactory<BrowsingDataQuotaHelperImpl> weak_factory_;
68 friend class BrowsingDataQuotaHelper;
69 friend class BrowsingDataQuotaHelperTest;
71 DISALLOW_COPY_AND_ASSIGN(BrowsingDataQuotaHelperImpl);
74 #endif // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_QUOTA_HELPER_IMPL_H_