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| 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 UnderlyingValueOwner_h | 5 #ifndef UnderlyingValueOwner_h |
| 6 #define UnderlyingValueOwner_h | 6 #define UnderlyingValueOwner_h |
| 7 | 7 |
| 8 #include <memory> |
| 8 #include "core/animation/TypedInterpolationValue.h" | 9 #include "core/animation/TypedInterpolationValue.h" |
| 9 #include "wtf/Allocator.h" | 10 #include "wtf/Allocator.h" |
| 10 #include "wtf/Noncopyable.h" | 11 #include "wtf/Noncopyable.h" |
| 11 #include <memory> | |
| 12 | 12 |
| 13 namespace blink { | 13 namespace blink { |
| 14 | 14 |
| 15 // Handles memory management of underlying InterpolationValues in applyStack() | 15 // Handles memory management of underlying InterpolationValues in applyStack() |
| 16 // Ensures we perform copy on write if we are not the owner of an underlying | 16 // Ensures we perform copy on write if we are not the owner of an underlying |
| 17 // InterpolationValue. This functions similar to a DataRef except on | 17 // InterpolationValue. This functions similar to a DataRef except on |
| 18 // std::unique_ptr'd objects. | 18 // std::unique_ptr'd objects. |
| 19 class UnderlyingValueOwner { | 19 class UnderlyingValueOwner { |
| 20 WTF_MAKE_NONCOPYABLE(UnderlyingValueOwner); | 20 WTF_MAKE_NONCOPYABLE(UnderlyingValueOwner); |
| 21 STACK_ALLOCATED(); | 21 STACK_ALLOCATED(); |
| (...skipping 24 matching lines...) Expand all Loading... |
| 46 | 46 |
| 47 private: | 47 private: |
| 48 const InterpolationType* m_type; | 48 const InterpolationType* m_type; |
| 49 InterpolationValue m_valueOwner; | 49 InterpolationValue m_valueOwner; |
| 50 const InterpolationValue* m_value; | 50 const InterpolationValue* m_value; |
| 51 }; | 51 }; |
| 52 | 52 |
| 53 } // namespace blink | 53 } // namespace blink |
| 54 | 54 |
| 55 #endif // UnderlyingValueOwner_h | 55 #endif // UnderlyingValueOwner_h |
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