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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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30 | 30 |
31 #ifndef V0CustomElementProcessingStack_h | 31 #ifndef V0CustomElementProcessingStack_h |
32 #define V0CustomElementProcessingStack_h | 32 #define V0CustomElementProcessingStack_h |
33 | 33 |
34 #include "core/CoreExport.h" | 34 #include "core/CoreExport.h" |
35 #include "core/dom/custom/V0CustomElementCallbackQueue.h" | 35 #include "core/dom/custom/V0CustomElementCallbackQueue.h" |
36 #include "wtf/Vector.h" | 36 #include "wtf/Vector.h" |
37 | 37 |
38 namespace blink { | 38 namespace blink { |
39 | 39 |
40 class CORE_EXPORT V0CustomElementProcessingStack : public GarbageCollectedFinali
zed<V0CustomElementProcessingStack> { | 40 class CORE_EXPORT V0CustomElementProcessingStack : public GarbageCollected<V0Cus
tomElementProcessingStack> { |
41 WTF_MAKE_NONCOPYABLE(V0CustomElementProcessingStack); | 41 WTF_MAKE_NONCOPYABLE(V0CustomElementProcessingStack); |
42 public: | 42 public: |
43 // This is stack allocated in many DOM callbacks. Make it cheap. | 43 // This is stack allocated in many DOM callbacks. Make it cheap. |
44 class CallbackDeliveryScope { | 44 class CallbackDeliveryScope { |
45 STACK_ALLOCATED(); | 45 STACK_ALLOCATED(); |
46 public: | 46 public: |
47 CallbackDeliveryScope() | 47 CallbackDeliveryScope() |
48 : m_savedElementQueueStart(s_elementQueueStart) | 48 : m_savedElementQueueStart(s_elementQueueStart) |
49 { | 49 { |
50 s_elementQueueStart = s_elementQueueEnd; | 50 s_elementQueueStart = s_elementQueueEnd; |
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98 // The processing stack, flattened. Element queues lower in the | 98 // The processing stack, flattened. Element queues lower in the |
99 // stack appear toward the head of the vector. The first element | 99 // stack appear toward the head of the vector. The first element |
100 // is a null sentinel value. | 100 // is a null sentinel value. |
101 static const size_t kNumSentinels = 1; | 101 static const size_t kNumSentinels = 1; |
102 HeapVector<Member<V0CustomElementCallbackQueue>> m_flattenedProcessingStack; | 102 HeapVector<Member<V0CustomElementCallbackQueue>> m_flattenedProcessingStack; |
103 }; | 103 }; |
104 | 104 |
105 } // namespace blink | 105 } // namespace blink |
106 | 106 |
107 #endif // V0CustomElementProcessingStack_h | 107 #endif // V0CustomElementProcessingStack_h |
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