| // Copyright 2014 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. |
| |
| #include "modules/encryptedmedia/EncryptedMediaUtils.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| const char kTemporary[] = "temporary"; |
| const char kPersistentLicense[] = "persistent-license"; |
| |
| } // namespace |
| |
| WebEncryptedMediaInitDataType EncryptedMediaUtils::convertToInitDataType(const String& initDataType) |
| { |
| if (initDataType == "cenc") |
| return WebEncryptedMediaInitDataType::Cenc; |
| if (initDataType == "keyids") |
| return WebEncryptedMediaInitDataType::Keyids; |
| if (initDataType == "webm") |
| return WebEncryptedMediaInitDataType::Webm; |
| |
| // |initDataType| is not restricted in the idl, so anything is possible. |
| return WebEncryptedMediaInitDataType::Unknown; |
| } |
| |
| String EncryptedMediaUtils::convertFromInitDataType(WebEncryptedMediaInitDataType initDataType) |
| { |
| switch (initDataType) { |
| case WebEncryptedMediaInitDataType::Cenc: |
| return "cenc"; |
| case WebEncryptedMediaInitDataType::Keyids: |
| return "keyids"; |
| case WebEncryptedMediaInitDataType::Webm: |
| return "webm"; |
| case WebEncryptedMediaInitDataType::Unknown: |
| // Chromium should not use Unknown, but we use it in Blink when the |
| // actual value has been blocked for non-same-origin or mixed content. |
| return String(); |
| } |
| |
| NOTREACHED(); |
| return String(); |
| } |
| |
| WebEncryptedMediaSessionType EncryptedMediaUtils::convertToSessionType(const String& sessionType) |
| { |
| if (sessionType == kTemporary) |
| return WebEncryptedMediaSessionType::Temporary; |
| if (sessionType == kPersistentLicense) |
| return WebEncryptedMediaSessionType::PersistentLicense; |
| |
| // |sessionType| is not restricted in the idl, so anything is possible. |
| return WebEncryptedMediaSessionType::Unknown; |
| } |
| |
| String EncryptedMediaUtils::convertFromSessionType(WebEncryptedMediaSessionType sessionType) |
| { |
| switch (sessionType) { |
| case WebEncryptedMediaSessionType::Temporary: |
| return kTemporary; |
| case WebEncryptedMediaSessionType::PersistentLicense: |
| return kPersistentLicense; |
| // FIXME: Remove once removed from Chromium (crbug.com/448888). |
| case WebEncryptedMediaSessionType::PersistentReleaseMessage: |
| case WebEncryptedMediaSessionType::Unknown: |
| // Chromium should not use Unknown. |
| NOTREACHED(); |
| return String(); |
| } |
| |
| NOTREACHED(); |
| return String(); |
| } |
| |
| } // namespace blink |