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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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36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
39 class Element; | 39 class Element; |
40 | 40 |
41 class CustomElementObserver : public NoBaseWillBeGarbageCollectedFinalized<Custo
mElementObserver> { | 41 class CustomElementObserver : public NoBaseWillBeGarbageCollectedFinalized<Custo
mElementObserver> { |
42 public: | 42 public: |
43 virtual ~CustomElementObserver() { } | 43 virtual ~CustomElementObserver() { } |
44 | 44 |
45 // API for CustomElement to kick off notifications | 45 // API for CustomElement to kick off notifications |
46 static void notifyElementDidFinishParsingChildren(Element*); | |
47 static void notifyElementWasDestroyed(Element*); | 46 static void notifyElementWasDestroyed(Element*); |
48 | 47 |
49 virtual void trace(Visitor*) { } | 48 virtual void trace(Visitor*) { } |
50 | 49 |
51 protected: | 50 protected: |
52 CustomElementObserver() { } | 51 CustomElementObserver() { } |
53 | 52 |
54 void observe(Element*); | 53 void observe(Element*); |
55 void unobserve(Element*); | 54 void unobserve(Element*); |
56 | 55 |
57 virtual void elementDidFinishParsingChildren(Element*) = 0; | |
58 virtual void elementWasDestroyed(Element* element) { unobserve(element); } | 56 virtual void elementWasDestroyed(Element* element) { unobserve(element); } |
59 }; | 57 }; |
60 | 58 |
61 } // namespace blink | 59 } // namespace blink |
62 | 60 |
63 #endif // CustomElementObserver_h | 61 #endif // CustomElementObserver_h |
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