| // 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_LOCAL_STORAGE_HELPER_H_ |
| #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ |
| |
| #include <list> |
| #include <set> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/compiler_specific.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/synchronization/lock.h" |
| #include "base/time/time.h" |
| #include "chrome/common/url_constants.h" |
| #include "content/public/browser/dom_storage_context.h" |
| #include "url/gurl.h" |
| |
| class Profile; |
| |
| // This class fetches local storage information and provides a |
| // means to delete the data associated with an origin. |
| class BrowsingDataLocalStorageHelper |
| : public base::RefCounted<BrowsingDataLocalStorageHelper> { |
| public: |
| // Contains detailed information about local storage. |
| struct LocalStorageInfo { |
| LocalStorageInfo( |
| const GURL& origin_url, |
| int64 size, |
| base::Time last_modified); |
| ~LocalStorageInfo(); |
| |
| GURL origin_url; |
| int64 size; |
| base::Time last_modified; |
| }; |
| |
| explicit BrowsingDataLocalStorageHelper(Profile* profile); |
| |
| // Starts the fetching process, which will notify its completion via |
| // callback. This must be called only in the UI thread. |
| virtual void StartFetching( |
| const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback); |
| |
| // Deletes the local storage for the |origin|. |
| virtual void DeleteOrigin(const GURL& origin); |
| |
| protected: |
| friend class base::RefCounted<BrowsingDataLocalStorageHelper>; |
| virtual ~BrowsingDataLocalStorageHelper(); |
| |
| void CallCompletionCallback(); |
| |
| content::DOMStorageContext* dom_storage_context_; // Owned by the profile |
| base::Callback<void(const std::list<LocalStorageInfo>&)> completion_callback_; |
| bool is_fetching_; |
| std::list<LocalStorageInfo> local_storage_info_; |
| |
| private: |
| void GetUsageInfoCallback( |
| const std::vector<content::LocalStorageUsageInfo>& infos); |
| |
| DISALLOW_COPY_AND_ASSIGN(BrowsingDataLocalStorageHelper); |
| }; |
| |
| // This class is a thin wrapper around BrowsingDataLocalStorageHelper that does |
| // not fetch its information from the local storage tracker, but gets them |
| // passed as a parameter during construction. |
| class CannedBrowsingDataLocalStorageHelper |
| : public BrowsingDataLocalStorageHelper { |
| public: |
| explicit CannedBrowsingDataLocalStorageHelper(Profile* profile); |
| |
| // Return a copy of the local storage helper. Only one consumer can use the |
| // StartFetching method at a time, so we need to create a copy of the helper |
| // every time we instantiate a cookies tree model for it. |
| CannedBrowsingDataLocalStorageHelper* Clone(); |
| |
| // Add a local storage to the set of canned local storages that is returned |
| // by this helper. |
| void AddLocalStorage(const GURL& origin); |
| |
| // Clear the list of canned local storages. |
| void Reset(); |
| |
| // True if no local storages are currently stored. |
| bool empty() const; |
| |
| // Returns the number of local storages currently stored. |
| size_t GetLocalStorageCount() const; |
| |
| // Returns the set of origins that use local storage. |
| const std::set<GURL>& GetLocalStorageInfo() const; |
| |
| // BrowsingDataLocalStorageHelper implementation. |
| virtual void StartFetching( |
| const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) |
| OVERRIDE; |
| virtual void DeleteOrigin(const GURL& origin) OVERRIDE; |
| |
| private: |
| virtual ~CannedBrowsingDataLocalStorageHelper(); |
| |
| std::set<GURL> pending_local_storage_info_; |
| |
| Profile* profile_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataLocalStorageHelper); |
| }; |
| |
| #endif // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ |