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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CLASS_REQUIRES_FINALIZATION_MIXIN_H_ |
| 6 #define CLASS_REQUIRES_FINALIZATION_MIXIN_H_ |
| 7 |
| 8 #include "heap/stubs.h" |
| 9 |
| 10 namespace blink { |
| 11 |
| 12 class OffHeap : public RefCounted<OffHeap> { }; |
| 13 class OnHeap : public GarbageCollected<OnHeap> { }; |
| 14 |
| 15 class MixinFinalizable : public GarbageCollectedMixin { |
| 16 public: |
| 17 virtual void trace(Visitor*) override; |
| 18 private: |
| 19 RefPtr<OffHeap> m_offHeap; // Requires finalization |
| 20 Member<OnHeap> m_onHeap; |
| 21 }; |
| 22 |
| 23 class MixinNotFinalizable : public GarbageCollectedMixin { |
| 24 public: |
| 25 virtual void trace(Visitor*) override; |
| 26 private: |
| 27 Member<OnHeap> m_onHeap; |
| 28 }; |
| 29 |
| 30 class NeedsFinalizer |
| 31 : public GarbageCollected<NeedsFinalizer> |
| 32 , public MixinFinalizable { |
| 33 USING_GARBAGE_COLLECTED_MIXIN(NeedsFinalizer); |
| 34 public: |
| 35 virtual void trace(Visitor*) override; |
| 36 private: |
| 37 Member<OnHeap> m_obj; |
| 38 }; |
| 39 |
| 40 class HasFinalizer : public GarbageCollectedFinalized<HasFinalizer>, |
| 41 public MixinFinalizable { |
| 42 USING_GARBAGE_COLLECTED_MIXIN(HasFinalizer); |
| 43 public: |
| 44 virtual void trace(Visitor*) override; |
| 45 private: |
| 46 Member<OnHeap> m_obj; |
| 47 }; |
| 48 |
| 49 class NeedsNoFinalization |
| 50 : public GarbageCollected<NeedsNoFinalization> |
| 51 , public MixinNotFinalizable |
| 52 , public ScriptWrappable { |
| 53 USING_GARBAGE_COLLECTED_MIXIN(NeedsNoFinalization); |
| 54 public: |
| 55 virtual void trace(Visitor*) override; |
| 56 private: |
| 57 Member<OnHeap> m_obj; |
| 58 }; |
| 59 |
| 60 } |
| 61 |
| 62 #endif |
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