| // Copyright 2013 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_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_WRAPPER_H_ |
| #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_WRAPPER_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/dom_storage_context.h" |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace storage { |
| class SpecialStoragePolicy; |
| } |
| |
| namespace content { |
| |
| class DOMStorageContextImpl; |
| |
| // This is owned by BrowserContext (aka Profile) and encapsulates all |
| // per-profile dom storage state. |
| class CONTENT_EXPORT DOMStorageContextWrapper : |
| NON_EXPORTED_BASE(public DOMStorageContext), |
| public base::RefCountedThreadSafe<DOMStorageContextWrapper> { |
| public: |
| // If |data_path| is empty, nothing will be saved to disk. |
| DOMStorageContextWrapper( |
| const base::FilePath& data_path, |
| storage::SpecialStoragePolicy* special_storage_policy); |
| |
| // DOMStorageContext implementation. |
| void GetLocalStorageUsage( |
| const GetLocalStorageUsageCallback& callback) override; |
| void GetSessionStorageUsage( |
| const GetSessionStorageUsageCallback& callback) override; |
| void DeleteLocalStorage(const GURL& origin) override; |
| void DeleteSessionStorage(const SessionStorageUsageInfo& usage_info) override; |
| void SetSaveSessionStorageOnDisk() override; |
| scoped_refptr<SessionStorageNamespace> RecreateSessionStorage( |
| const std::string& persistent_id) override; |
| void StartScavengingUnusedSessionStorage() override; |
| |
| // Used by content settings to alter the behavior around |
| // what data to keep and what data to discard at shutdown. |
| // The policy is not so straight forward to describe, see |
| // the implementation for details. |
| void SetForceKeepSessionState(); |
| |
| // Called when the BrowserContext/Profile is going away. |
| void Shutdown(); |
| |
| private: |
| friend class DOMStorageMessageFilter; // for access to context() |
| friend class SessionStorageNamespaceImpl; // ditto |
| friend class base::RefCountedThreadSafe<DOMStorageContextWrapper>; |
| |
| ~DOMStorageContextWrapper() override; |
| DOMStorageContextImpl* context() const { return context_.get(); } |
| |
| scoped_refptr<DOMStorageContextImpl> context_; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageContextWrapper); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_WRAPPER_H_ |