| OLD | NEW |
| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SERVICES_MEDIA_FRAMEWORK_SAFE_CLONE_H_ | 5 #ifndef SERVICES_MEDIA_FRAMEWORK_SAFE_CLONE_H_ |
| 6 #define SERVICES_MEDIA_FRAMEWORK_SAFE_CLONE_H_ | 6 #define SERVICES_MEDIA_FRAMEWORK_SAFE_CLONE_H_ |
| 7 | 7 |
| 8 #include <memory> | 8 #include <memory> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 namespace mojo { | 11 namespace mojo { |
| 12 namespace media { | 12 namespace media { |
| 13 | 13 |
| 14 template<typename T> | 14 template <typename T> |
| 15 std::unique_ptr<T> SafeClone(const std::unique_ptr<T>& t_ptr) { | 15 std::unique_ptr<T> SafeClone(const std::unique_ptr<T>& t_ptr) { |
| 16 return t_ptr ? t_ptr.get()->Clone() : nullptr; | 16 return t_ptr ? t_ptr.get()->Clone() : nullptr; |
| 17 } | 17 } |
| 18 | 18 |
| 19 template<typename T> | 19 template <typename T> |
| 20 std::unique_ptr<std::vector<std::unique_ptr<T>>> SafeClone( | 20 std::unique_ptr<std::vector<std::unique_ptr<T>>> SafeClone( |
| 21 const std::unique_ptr<std::vector<std::unique_ptr<T>>>& vec) { | 21 const std::unique_ptr<std::vector<std::unique_ptr<T>>>& vec) { |
| 22 if (vec == nullptr) { | 22 if (vec == nullptr) { |
| 23 return nullptr; | 23 return nullptr; |
| 24 } | 24 } |
| 25 | 25 |
| 26 std::unique_ptr<std::vector<std::unique_ptr<T>>> result = | 26 std::unique_ptr<std::vector<std::unique_ptr<T>>> result = |
| 27 std::unique_ptr<std::vector<std::unique_ptr<T>>>( | 27 std::unique_ptr<std::vector<std::unique_ptr<T>>>( |
| 28 new std::vector<std::unique_ptr<T>>(vec->size())); | 28 new std::vector<std::unique_ptr<T>>(vec->size())); |
| 29 | 29 |
| 30 for (const std::unique_ptr<T>& t_ptr : *vec.get()) { | 30 for (const std::unique_ptr<T>& t_ptr : *vec.get()) { |
| 31 result->push_back(SafeClone(t_ptr)); | 31 result->push_back(SafeClone(t_ptr)); |
| 32 } | 32 } |
| 33 | 33 |
| 34 return result; | 34 return result; |
| 35 } | 35 } |
| 36 | 36 |
| 37 } // namespace media | 37 } // namespace media |
| 38 } // namespace mojo | 38 } // namespace mojo |
| 39 | 39 |
| 40 #endif // SERVICES_MEDIA_FRAMEWORK_SAFE_CLONE_H_ | 40 #endif // SERVICES_MEDIA_FRAMEWORK_SAFE_CLONE_H_ |
| OLD | NEW |