| // 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 CONTENT_PUBLIC_BROWSER_DOM_STORAGE_CONTEXT_H_ |
| #define CONTENT_PUBLIC_BROWSER_DOM_STORAGE_CONTEXT_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/callback.h" |
| |
| namespace url { |
| class Origin; |
| } |
| |
| namespace content { |
| |
| class BrowserContext; |
| struct StorageUsageInfo; |
| class SessionStorageNamespace; |
| struct SessionStorageUsageInfo; |
| |
| // Represents the per-BrowserContext Local Storage data. |
| class DOMStorageContext { |
| public: |
| using GetLocalStorageUsageCallback = |
| base::OnceCallback<void(const std::vector<StorageUsageInfo>&)>; |
| |
| using GetSessionStorageUsageCallback = |
| base::OnceCallback<void(const std::vector<SessionStorageUsageInfo>&)>; |
| |
| // Returns a collection of origins using local storage to the given callback. |
| virtual void GetLocalStorageUsage(GetLocalStorageUsageCallback callback) = 0; |
| |
| // Returns a collection of origins using session storage to the given |
| // callback. |
| virtual void GetSessionStorageUsage( |
| GetSessionStorageUsageCallback callback) = 0; |
| |
| // Deletes the local storage for the origin of |origin_url|. |callback| is |
| // called when the deletion is sent to the database and GetLocalStorageUsage() |
| // will not return entries for |origin_url| anymore. |
| virtual void DeleteLocalStorage(const url::Origin& origin, |
| base::OnceClosure callback) = 0; |
| |
| // Removes traces of deleted data from the local storage backend. |
| virtual void PerformLocalStorageCleanup(base::OnceClosure callback) = 0; |
| |
| // Deletes the session storage data identified by |usage_info|. |
| virtual void DeleteSessionStorage(const SessionStorageUsageInfo& usage_info, |
| base::OnceClosure callback) = 0; |
| |
| virtual void PerformSessionStorageCleanup(base::OnceClosure callback) = 0; |
| |
| // If this is called, sessionStorage data will be stored on disk, and can be |
| // restored after a browser restart (with RecreateSessionStorage). This |
| // function must be called right after DOMStorageContextWrapper is created, |
| // and before it's used. |
| virtual void SetSaveSessionStorageOnDisk() = 0; |
| |
| // Creates a SessionStorageNamespace with the given |namespace_id|. Used |
| // after tabs are restored by session restore. When created, the |
| // SessionStorageNamespace with the correct |namespace_id| will be |
| // associated with the persisted sessionStorage data. |
| virtual scoped_refptr<SessionStorageNamespace> RecreateSessionStorage( |
| const std::string& namespace_id) = 0; |
| |
| // Starts deleting sessionStorages which don't have an associated |
| // SessionStorageNamespace alive. Called when SessionStorageNamespaces have |
| // been created after a session restore, or a session restore won't happen. |
| virtual void StartScavengingUnusedSessionStorage() = 0; |
| |
| protected: |
| virtual ~DOMStorageContext() {} |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_DOM_STORAGE_CONTEXT_H_ |