| // Copyright (c) 2012 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 CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_QUOTA_HELPER_H_ |
| #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_QUOTA_HELPER_H_ |
| |
| #include <stdint.h> |
| |
| #include <list> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/sequenced_task_runner_helpers.h" |
| |
| class BrowsingDataQuotaHelper; |
| class Profile; |
| |
| struct BrowsingDataQuotaHelperDeleter { |
| static void Destruct(const BrowsingDataQuotaHelper* helper); |
| }; |
| |
| // This class is an interface class to bridge between Cookies Tree and Unified |
| // Quota System. This class provides a way to get usage and quota information |
| // through the instance. |
| // |
| // Call Create to create an instance for a profile and call StartFetching with |
| // a callback to fetch information asynchronously. |
| // |
| // Parallel fetching is not allowed, a fetching task should start after end of |
| // previous task. All method of this class should called from UI thread. |
| class BrowsingDataQuotaHelper |
| : public base::RefCountedThreadSafe<BrowsingDataQuotaHelper, |
| BrowsingDataQuotaHelperDeleter> { |
| public: |
| // QuotaInfo contains host-based quota and usage information for persistent |
| // and temporary storage. |
| struct QuotaInfo { |
| QuotaInfo(); |
| explicit QuotaInfo(const std::string& host); |
| QuotaInfo(const std::string& host, |
| int64_t temporary_usage, |
| int64_t persistent_usage, |
| int64_t syncable_usage); |
| ~QuotaInfo(); |
| |
| // Certain versions of MSVC 2008 have bad implementations of ADL for nested |
| // classes so they require these operators to be declared here instead of in |
| // the global namespace. |
| bool operator <(const QuotaInfo& rhs) const; |
| bool operator ==(const QuotaInfo& rhs) const; |
| |
| std::string host; |
| int64_t temporary_usage = 0; |
| int64_t persistent_usage = 0; |
| int64_t syncable_usage = 0; |
| }; |
| |
| typedef std::list<QuotaInfo> QuotaInfoArray; |
| typedef base::Callback<void(const QuotaInfoArray&)> FetchResultCallback; |
| |
| static BrowsingDataQuotaHelper* Create(Profile* profile); |
| |
| virtual void StartFetching(const FetchResultCallback& callback) = 0; |
| |
| virtual void RevokeHostQuota(const std::string& host) = 0; |
| |
| protected: |
| BrowsingDataQuotaHelper(); |
| virtual ~BrowsingDataQuotaHelper(); |
| |
| private: |
| friend class base::DeleteHelper<BrowsingDataQuotaHelper>; |
| friend struct BrowsingDataQuotaHelperDeleter; |
| |
| DISALLOW_COPY_AND_ASSIGN(BrowsingDataQuotaHelper); |
| }; |
| |
| #endif // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_QUOTA_HELPER_H_ |