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 WebCore { 11 12 class OffHeap : public RefCounted<OffHeap> { }; 13 class OnHeap : public GarbageCollected<OnHeap> { }; 14 15 class Mixin : public GarbageCollectedMixin { 16 public: 17 void trace(Visitor*); 18 private: 19 RefPtr<OffHeap> m_offHeap; // Requires finalization 20 Member<OnHeap> m_onHeap; 21 }; 22 23 class NeedsFinalizer : public GarbageCollected<NeedsFinalizer>, public Mixin { 24 USING_GARBAGE_COLLECTED_MIXIN(NeedsFinalizer); 25 public: 26 void trace(Visitor*); 27 private: 28 Member<OnHeap> m_obj; 29 }; 30 31 class HasFinalizer : public GarbageCollectedFinalized<HasFinalizer>, 32 public Mixin { 33 USING_GARBAGE_COLLECTED_MIXIN(HasFinalizer); 34 public: 35 void trace(Visitor*); 36 private: 37 Member<OnHeap> m_obj; 38 }; 39 40 } 41 42 #endif 43
