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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/observer/ResizeObserver.h" | 5 #include "core/observer/ResizeObserver.h" |
6 | 6 |
7 #include "core/dom/Element.h" | 7 #include "core/dom/Element.h" |
8 #include "core/observer/ResizeObservation.h" | |
8 #include "core/observer/ResizeObserverCallback.h" | 9 #include "core/observer/ResizeObserverCallback.h" |
9 #include "core/observer/ResizeObserverEntry.h" | 10 #include "core/observer/ResizeObserverController.h" |
10 | 11 |
11 namespace blink { | 12 namespace blink { |
12 | 13 |
13 ResizeObserver* ResizeObserver::create(Document& document, ResizeObserverCallbac k* callback) | 14 ResizeObserver* ResizeObserver::create(Document& document, ResizeObserverCallbac k* callback) |
14 { | 15 { |
15 return new ResizeObserver(callback, document); | 16 return new ResizeObserver(callback, document); |
16 } | 17 } |
17 | 18 |
18 ResizeObserver::ResizeObserver(ResizeObserverCallback* callback, Document& docum ent) | 19 ResizeObserver::ResizeObserver(ResizeObserverCallback* callback, Document& docum ent) |
20 : m_callback(callback) | |
19 { | 21 { |
22 document.ensureResizeObserverController(); | |
23 m_controller = document.resizeObserverController(); | |
esprehn
2016/07/21 17:52:28
don't call it twice here, use the return value of
atotic1
2016/07/21 19:15:00
Done.
| |
24 m_controller->addObserver(*this); | |
20 } | 25 } |
21 | 26 |
22 void ResizeObserver::observe(Element* target) | 27 void ResizeObserver::observe(Element* target) |
23 { | 28 { |
24 } | 29 } |
25 | 30 |
26 void ResizeObserver::unobserve(Element* target) | 31 void ResizeObserver::unobserve(Element* target) |
27 { | 32 { |
28 } | 33 } |
29 | 34 |
30 void ResizeObserver::disconnect() | 35 void ResizeObserver::disconnect() |
31 { | 36 { |
32 } | 37 } |
33 | 38 |
34 DEFINE_TRACE(ResizeObserver) | 39 DEFINE_TRACE(ResizeObserver) |
35 { | 40 { |
41 visitor->trace(m_callback); | |
42 visitor->trace(m_observations); | |
43 visitor->trace(m_controller); | |
36 } | 44 } |
37 | 45 |
38 } // namespace blink | 46 } // namespace blink |
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