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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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * 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 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
(...skipping 13 matching lines...) Expand all Loading... | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "config.h" | 31 #include "config.h" |
32 #include "core/css/CSSToLengthConversionData.h" | 32 #include "core/css/CSSToLengthConversionData.h" |
33 | 33 |
34 #include "core/rendering/RenderView.h" | |
34 #include "core/rendering/style/RenderStyle.h" | 35 #include "core/rendering/style/RenderStyle.h" |
35 | 36 |
36 namespace WebCore { | 37 namespace WebCore { |
37 | 38 |
39 CSSToLengthConversionData::CSSToLengthConversionData(const RenderStyle* style, c onst RenderStyle* rootStyle, const RenderView* renderView, float zoom, bool comp utingFontSize) | |
40 : m_style(style) | |
41 , m_rootStyle(rootStyle) | |
42 , m_viewportWidth(renderView ? renderView->layoutViewportWidth() : 0) | |
43 , m_viewportHeight(renderView ? renderView->layoutViewportHeight() : 0) | |
44 , m_zoom(zoom) | |
45 , m_useEffectiveZoom(false) | |
46 , m_computingFontSize(computingFontSize) | |
47 { | |
48 ASSERT(zoom > 0); | |
49 } | |
50 | |
51 CSSToLengthConversionData::CSSToLengthConversionData(const RenderStyle* style, c onst RenderStyle* rootStyle, const RenderView* renderView, bool computingFontSiz e) | |
52 : m_style(style) | |
53 , m_rootStyle(rootStyle) | |
54 , m_viewportWidth(renderView ? renderView->layoutViewportWidth() : 0) | |
55 , m_viewportHeight(renderView ? renderView->layoutViewportHeight() : 0) | |
56 , m_useEffectiveZoom(true) | |
57 , m_computingFontSize(computingFontSize) | |
58 { | |
59 } | |
60 | |
61 CSSToLengthConversionData::CSSToLengthConversionData(const RenderStyle* style, c onst RenderStyle* rootStyle, float viewportWidth, float viewportHeight, float zo om, bool computingFontSize) | |
62 : m_style(style) | |
63 , m_rootStyle(rootStyle) | |
64 , m_viewportWidth(viewportWidth) | |
65 , m_viewportHeight(viewportHeight) | |
66 , m_zoom(zoom) | |
67 , m_useEffectiveZoom(false) | |
68 , m_computingFontSize(computingFontSize) | |
69 { | |
70 ASSERT(zoom > 0); | |
71 } | |
72 | |
38 float CSSToLengthConversionData::zoom() const | 73 float CSSToLengthConversionData::zoom() const |
39 { | 74 { |
40 if (m_useEffectiveZoom) | 75 if (m_useEffectiveZoom) |
41 return m_style ? m_style->effectiveZoom() : 1; | 76 return m_style ? m_style->effectiveZoom() : 1; |
42 return m_zoom; | 77 return m_zoom; |
43 } | 78 } |
44 | 79 |
80 double CSSToLengthConversionData::viewportWidthPercent() const | |
81 { | |
82 m_style->setHasViewportUnits(); | |
kenneth.r.christiansen
2014/01/02 09:03:26
isn't there any way to assert to make sure this is
Timothy Loh
2014/01/03 00:23:09
Not sure what your first question is. I don't thin
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83 return m_viewportWidth / 100; | |
84 } | |
85 double CSSToLengthConversionData::viewportHeightPercent() const | |
86 { | |
87 m_style->setHasViewportUnits(); | |
88 return m_viewportHeight / 100; | |
89 } | |
90 double CSSToLengthConversionData::viewportMinPercent() const | |
91 { | |
92 m_style->setHasViewportUnits(); | |
93 return std::min(m_viewportWidth, m_viewportHeight) / 100; | |
94 } | |
95 double CSSToLengthConversionData::viewportMaxPercent() const | |
96 { | |
97 m_style->setHasViewportUnits(); | |
98 return std::max(m_viewportWidth, m_viewportHeight) / 100; | |
99 } | |
100 | |
45 } // namespace WebCore | 101 } // namespace WebCore |
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