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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/ResizeObserverEntry.h" |
| 6 |
| 7 #include "core/dom/ClientRect.h" |
| 8 #include "core/dom/DOMRectReadOnly.h" |
| 9 #include "core/dom/Element.h" |
| 10 #include "core/layout/LayoutBox.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 class ResizeObservation; |
| 15 |
| 16 ResizeObserverEntry::ResizeObserverEntry(Element* target) |
| 17 : m_target(target) |
| 18 { |
| 19 if (!m_target) |
| 20 return; |
| 21 LayoutBox* layout = m_target->layoutBox(); |
| 22 if (!layout) |
| 23 return; |
| 24 m_contentRect.setSize(layout->contentSize()); |
| 25 m_contentRect.setLocation(LayoutPoint(layout->paddingLeft(), layout->padding
Top())); |
| 26 } |
| 27 |
| 28 ClientRect* ResizeObserverEntry::contentRect() const |
| 29 { |
| 30 return ClientRect::create( FloatRect( |
| 31 m_contentRect.x(), m_contentRect.y(), |
| 32 m_contentRect.width(), m_contentRect.height() |
| 33 )); |
| 34 // FIXME(atotic): should return DOMReadOnlyRect once GeometryInterfaces land |
| 35 // return DOMRectReadOnly::create(m_contentRect.x(), m_contentRect.y(), |
| 36 // m_contentRect.width(), m_contentRect.height()); |
| 37 |
| 38 } |
| 39 |
| 40 LayoutSize ResizeObserverEntry::contentSize() const |
| 41 { |
| 42 return m_contentRect.size(); |
| 43 } |
| 44 |
| 45 |
| 46 DEFINE_TRACE(ResizeObserverEntry) |
| 47 { |
| 48 visitor->trace(m_target); |
| 49 } |
| 50 |
| 51 } // namespace blink |
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