Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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. |
| 4 | |
| 5 | #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ |
| 6 | #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ |
| 7 | |
| 8 | #include <list> |
| 9 | #include <set> |
| 10 | #include <vector> |
| 11 | |
| 12 | #include "base/callback.h" |
| 13 | #include "base/compiler_specific.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 14 | #include "base/files/file_path.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 15 | #include "base/memory/ref_counted.h" |
| 16 | #include "base/synchronization/lock.h" |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 17 | #include "base/time/time.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 18 | #include "chrome/common/url_constants.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 19 | #include "content/public/browser/dom_storage_context.h" |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 20 | #include "url/gurl.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 21 | |
| 22 | class Profile; |
| 23 | |
| 24 | // This class fetches local storage information and provides a |
| 25 | // means to delete the data associated with an origin. |
| 26 | class BrowsingDataLocalStorageHelper |
| 27 | : public base::RefCounted<BrowsingDataLocalStorageHelper> { |
| 28 | public: |
| 29 | // Contains detailed information about local storage. |
| 30 | struct LocalStorageInfo { |
| 31 | LocalStorageInfo( |
| 32 | const GURL& origin_url, |
| 33 | int64 size, |
| 34 | base::Time last_modified); |
| 35 | ~LocalStorageInfo(); |
| 36 | |
| 37 | GURL origin_url; |
| 38 | int64 size; |
| 39 | base::Time last_modified; |
| 40 | }; |
| 41 | |
| 42 | explicit BrowsingDataLocalStorageHelper(Profile* profile); |
| 43 | |
| 44 | // Starts the fetching process, which will notify its completion via |
| 45 | // callback. This must be called only in the UI thread. |
| 46 | virtual void StartFetching( |
| 47 | const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback); |
| 48 | |
| 49 | // Deletes the local storage for the |origin|. |
| 50 | virtual void DeleteOrigin(const GURL& origin); |
| 51 | |
| 52 | protected: |
| 53 | friend class base::RefCounted<BrowsingDataLocalStorageHelper>; |
| 54 | virtual ~BrowsingDataLocalStorageHelper(); |
| 55 | |
| 56 | void CallCompletionCallback(); |
| 57 | |
| 58 | content::DOMStorageContext* dom_storage_context_; // Owned by the profile |
| 59 | base::Callback<void(const std::list<LocalStorageInfo>&)> completion_callback_; |
| 60 | bool is_fetching_; |
| 61 | std::list<LocalStorageInfo> local_storage_info_; |
| 62 | |
| 63 | private: |
| 64 | void GetUsageInfoCallback( |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 65 | const std::vector<content::LocalStorageUsageInfo>& infos); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 66 | |
| 67 | DISALLOW_COPY_AND_ASSIGN(BrowsingDataLocalStorageHelper); |
| 68 | }; |
| 69 | |
| 70 | // This class is a thin wrapper around BrowsingDataLocalStorageHelper that does |
| 71 | // not fetch its information from the local storage tracker, but gets them |
| 72 | // passed as a parameter during construction. |
| 73 | class CannedBrowsingDataLocalStorageHelper |
| 74 | : public BrowsingDataLocalStorageHelper { |
| 75 | public: |
| 76 | explicit CannedBrowsingDataLocalStorageHelper(Profile* profile); |
| 77 | |
| 78 | // Return a copy of the local storage helper. Only one consumer can use the |
| 79 | // StartFetching method at a time, so we need to create a copy of the helper |
| 80 | // every time we instantiate a cookies tree model for it. |
| 81 | CannedBrowsingDataLocalStorageHelper* Clone(); |
| 82 | |
| 83 | // Add a local storage to the set of canned local storages that is returned |
| 84 | // by this helper. |
| 85 | void AddLocalStorage(const GURL& origin); |
| 86 | |
| 87 | // Clear the list of canned local storages. |
| 88 | void Reset(); |
| 89 | |
| 90 | // True if no local storages are currently stored. |
| 91 | bool empty() const; |
| 92 | |
| 93 | // Returns the number of local storages currently stored. |
| 94 | size_t GetLocalStorageCount() const; |
| 95 | |
| 96 | // Returns the set of origins that use local storage. |
| 97 | const std::set<GURL>& GetLocalStorageInfo() const; |
| 98 | |
| 99 | // BrowsingDataLocalStorageHelper implementation. |
| 100 | virtual void StartFetching( |
| 101 | const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) |
| 102 | OVERRIDE; |
| 103 | |
| 104 | private: |
| 105 | virtual ~CannedBrowsingDataLocalStorageHelper(); |
| 106 | |
| 107 | // Convert the pending local storage info to local storage info objects. |
| 108 | void ConvertPendingInfo(); |
| 109 | |
| 110 | std::set<GURL> pending_local_storage_info_; |
| 111 | |
| 112 | Profile* profile_; |
| 113 | |
| 114 | DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataLocalStorageHelper); |
| 115 | }; |
| 116 | |
| 117 | #endif // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ |