| // 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 MEDIA_CDM_KEY_SYSTEM_NAMES_H_ |
| #define MEDIA_CDM_KEY_SYSTEM_NAMES_H_ |
| |
| #include <string> |
| |
| #include "media/base/media_export.h" |
| |
| namespace media { |
| |
| // TODO(jrummell): Change other uses of Clear Key to use this common value. |
| |
| // The key system name for Clear Key. |
| MEDIA_EXPORT extern const char kClearKey[]; |
| |
| // The key system name for External Clear Key. |
| MEDIA_EXPORT extern const char kExternalClearKey[]; |
| |
| // Returns true if |key_system| is Clear Key, false otherwise. |
| MEDIA_EXPORT bool IsClearKey(const std::string& key_system); |
| |
| // Returns true if |key_system| is (reverse) sub-domain of |parent_key_system|. |
| MEDIA_EXPORT bool IsParentKeySystemOf(const std::string& parent_key_system, |
| const std::string& key_system); |
| |
| // Returns true if |key_system| is External Clear Key, false otherwise. |
| MEDIA_EXPORT bool IsExternalClearKey(const std::string& key_system); |
| |
| } // namespace media |
| |
| #endif // MEDIA_CDM_KEY_SYSTEM_NAMES_H_ |