| // Copyright 2016 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 MEDIA_BASE_CDM_SESSION_TRACKER_H_ |
| #define MEDIA_BASE_CDM_SESSION_TRACKER_H_ |
| |
| #include <stdint.h> |
| |
| #include <string> |
| #include <unordered_set> |
| |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "media/base/content_decryption_module.h" |
| #include "media/base/media_export.h" |
| |
| namespace media { |
| |
| class MEDIA_EXPORT CdmSessionTracker { |
| public: |
| CdmSessionTracker(); |
| ~CdmSessionTracker(); |
| |
| // Adds |session_id| to the list of sessions being tracked. |
| void AddSession(const std::string& session_id); |
| |
| // Removes |session_id| from the list of sessions being tracked. |
| void RemoveSession(const std::string& session_id); |
| |
| // Calls |session_closed_cb| on any remaining sessions in the list and then |
| // clear the list. |
| void CloseRemainingSessions(const SessionClosedCB& session_closed_cb); |
| |
| // Returns whether there are any remaining sessions being tracked. |
| bool HasRemainingSessions() const; |
| |
| private: |
| std::unordered_set<std::string> session_ids_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CdmSessionTracker); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_CDM_SESSION_TRACKER_H_ |