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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef ResizeObserver_h | |
6 #define ResizeObserver_h | |
7 | |
8 #include "bindings/core/v8/ScriptWrappable.h" | |
szager1
2016/05/23 19:49:11
I don't think you use this.
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9 #include "core/dom/Element.h" | |
szager1
2016/05/23 19:49:12
You shouldn't need this, the forward class declara
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10 #include "core/observer/ResizeObserverEntry.h" | |
szager1
2016/05/23 19:49:12
I don't think you use this.
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11 #include "platform/heap/Handle.h" | |
12 | |
13 namespace blink { | |
14 | |
15 class Document; | |
16 class Element; | |
17 class ResizeObserverCallback; | |
18 class ResizeObserverEntry; | |
szager1
2016/05/23 19:49:11
I don't think you use this.
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19 class ResizeObservation; | |
20 | |
21 // ResizeObserver represents ResizeObserver javascript api: | |
22 // https://github.com/WICG/ResizeObserver/ | |
23 class ResizeObserver final : public GarbageCollectedFinalized<ResizeObserver>, p ublic ScriptWrappable { | |
24 DEFINE_WRAPPERTYPEINFO(); | |
25 | |
26 public: | |
27 static ResizeObserver* create(Document&, ResizeObserverCallback*); | |
28 | |
29 virtual ~ResizeObserver() {}; | |
szager1
2016/05/23 19:49:12
No unnecessary destructors, switch class to Garbag
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30 | |
31 // API methods | |
32 void observe(Element*); | |
33 void unobserve(Element*); | |
34 void disconnect(); | |
35 | |
36 DECLARE_TRACE(); | |
37 | |
38 void gatherObservations(); | |
szager1
2016/05/23 19:49:12
Too much whitespace.
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39 | |
40 bool hasObservations() const { return !m_activeObservations.isEmpty(); } | |
41 | |
42 void deliverObservations(); | |
43 | |
44 private: | |
45 | |
46 // FIXME(atotic): for GC, I need an ordered list of WeakMembers here. | |
47 using ObservationList = HeapVector<Member<ResizeObservation>>; | |
szager1
2016/05/23 19:49:11
No typedef's or "using", just use full type everyw
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48 | |
49 ObservationList::iterator find(Element*); | |
50 | |
51 explicit ResizeObserver(ResizeObserverCallback*); | |
52 | |
53 Member<ResizeObserverCallback> m_callback; | |
54 | |
55 // List of elements we are observing | |
56 ObservationList m_observations; | |
57 | |
58 // List of elements that have changes | |
59 HeapVector<Member<ResizeObservation>> m_activeObservations; | |
60 | |
61 }; | |
62 | |
63 | |
64 } // namespace blink | |
65 | |
66 #endif // ResizeObserver_h | |
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