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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 #include "core/observer/ResizeObservation.h" | |
6 | |
7 #include "core/observer/ResizeObserver.h" | |
8 | |
9 namespace blink { | |
10 | |
11 ResizeObservation::ResizeObservation(Element * target, ResizeObserver * observer ) : | |
szager1
2016/05/23 19:49:10
Colon goes on next line; refer to existing class d
atotic1
2016/05/25 00:15:52
Done.
| |
12 m_target(target), | |
szager1
2016/05/23 19:49:10
Comma goes at the beginning of the next line, for
atotic1
2016/05/25 00:15:52
Done.
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13 m_observer(observer), | |
14 m_broadcastWidth(target->clientWidth()), | |
15 m_broadcastHeight(target->clientHeight()) | |
16 { | |
17 m_target->ensureResizeObserverData().add(this); | |
18 } | |
19 | |
20 bool ResizeObservation::hasResized() const | |
21 { | |
22 if (!m_target) | |
23 return false; | |
24 return (m_target->clientWidth() != m_broadcastWidth | |
25 || m_target->clientHeight() != m_broadcastHeight); | |
26 } | |
27 | |
28 void ResizeObservation::setBroadcastSize(int width, int height) | |
29 { | |
30 m_broadcastWidth = width; | |
31 m_broadcastHeight = height; | |
32 } | |
33 | |
34 DEFINE_TRACE(ResizeObservation) | |
35 { | |
36 visitor->trace(m_target); | |
37 visitor->trace(m_observer); | |
38 } | |
39 | |
40 void ResizeObservationSet::add(ResizeObservation* obs) | |
41 { | |
42 m_observations.add(obs); | |
43 } | |
44 | |
45 void ResizeObservationSet::remove(ResizeObservation* obs) | |
46 { | |
47 m_observations.remove(obs); | |
48 } | |
49 | |
50 DEFINE_TRACE(ResizeObservationSet) | |
51 { | |
52 visitor->trace(m_observations); | |
53 } | |
54 | |
55 } // namespace blink | |
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