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1 /* | 1 /* |
2 * CSS Media Query Evaluator | 2 * CSS Media Query Evaluator |
3 * | 3 * |
4 * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. | 4 * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. |
5 * Copyright (C) 2013 Apple Inc. All rights reserved. | 5 * Copyright (C) 2013 Apple Inc. All rights reserved. |
6 * Copyright (C) 2013 Intel Corporation. All rights reserved. | 6 * Copyright (C) 2013 Intel Corporation. All rights reserved. |
7 * | 7 * |
8 * Redistribution and use in source and binary forms, with or without | 8 * Redistribution and use in source and binary forms, with or without |
9 * modification, are permitted provided that the following conditions | 9 * modification, are permitted provided that the following conditions |
10 * are met: | 10 * are met: |
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24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
25 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 25 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 */ | 28 */ |
29 | 29 |
30 #include "config.h" | 30 #include "config.h" |
31 #include "core/css/MediaQueryEvaluator.h" | 31 #include "core/css/MediaQueryEvaluator.h" |
32 | 32 |
33 #include "CSSValueKeywords.h" | 33 #include "CSSValueKeywords.h" |
| 34 #include "MediaFeatureNames.h" |
| 35 #include "MediaFeatures.h" |
34 #include "core/css/CSSAspectRatioValue.h" | 36 #include "core/css/CSSAspectRatioValue.h" |
35 #include "core/css/CSSHelper.h" | 37 #include "core/css/CSSHelper.h" |
36 #include "core/css/CSSPrimitiveValue.h" | 38 #include "core/css/CSSPrimitiveValue.h" |
37 #include "core/css/CSSToLengthConversionData.h" | 39 #include "core/css/CSSToLengthConversionData.h" |
38 #include "core/css/MediaFeatureNames.h" | |
39 #include "core/css/MediaList.h" | 40 #include "core/css/MediaList.h" |
40 #include "core/css/MediaQuery.h" | 41 #include "core/css/MediaQuery.h" |
41 #include "core/css/resolver/MediaQueryResult.h" | 42 #include "core/css/resolver/MediaQueryResult.h" |
42 #include "core/dom/NodeRenderStyle.h" | 43 #include "core/dom/NodeRenderStyle.h" |
43 #include "core/frame/FrameHost.h" | 44 #include "core/frame/FrameHost.h" |
44 #include "core/frame/FrameView.h" | 45 #include "core/frame/FrameView.h" |
45 #include "core/frame/LocalFrame.h" | 46 #include "core/frame/LocalFrame.h" |
46 #include "core/frame/Settings.h" | 47 #include "core/frame/Settings.h" |
47 #include "core/inspector/InspectorInstrumentation.h" | 48 #include "core/inspector/InspectorInstrumentation.h" |
48 #include "core/rendering/RenderView.h" | 49 #include "core/rendering/RenderView.h" |
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666 // If a platform interface supplies progressive/interlace info for TVs in th
e | 667 // If a platform interface supplies progressive/interlace info for TVs in th
e |
667 // future, it needs to be handled here. For now, assume a modern TV with | 668 // future, it needs to be handled here. For now, assume a modern TV with |
668 // progressive display. | 669 // progressive display. |
669 return toCSSPrimitiveValue(value)->getValueID() == CSSValueProgressive; | 670 return toCSSPrimitiveValue(value)->getValueID() == CSSValueProgressive; |
670 } | 671 } |
671 | 672 |
672 static void createFunctionMap() | 673 static void createFunctionMap() |
673 { | 674 { |
674 // Create the table. | 675 // Create the table. |
675 gFunctionMap = new FunctionMap; | 676 gFunctionMap = new FunctionMap; |
676 #define ADD_TO_FUNCTIONMAP(name, str) \ | 677 #define ADD_TO_FUNCTIONMAP(name) \ |
677 gFunctionMap->set(name##MediaFeature.impl(), name##MediaFeatureEval); | 678 gFunctionMap->set(name##MediaFeature.impl(), name##MediaFeatureEval); |
678 CSS_MEDIAQUERY_NAMES_FOR_EACH_MEDIAFEATURE(ADD_TO_FUNCTIONMAP); | 679 CSS_MEDIAQUERY_NAMES_FOR_EACH_MEDIAFEATURE(ADD_TO_FUNCTIONMAP); |
679 #undef ADD_TO_FUNCTIONMAP | 680 #undef ADD_TO_FUNCTIONMAP |
680 } | 681 } |
681 | 682 |
682 bool MediaQueryEvaluator::eval(const MediaQueryExp* expr) const | 683 bool MediaQueryEvaluator::eval(const MediaQueryExp* expr) const |
683 { | 684 { |
684 if (!m_frame || !m_style) | 685 if (!m_frame || !m_style) |
685 return m_expResult; | 686 return m_expResult; |
686 | 687 |
687 if (!gFunctionMap) | 688 if (!gFunctionMap) |
688 createFunctionMap(); | 689 createFunctionMap(); |
689 | 690 |
690 // Call the media feature evaluation function. Assume no prefix and let | 691 // Call the media feature evaluation function. Assume no prefix and let |
691 // trampoline functions override the prefix if prefix is used. | 692 // trampoline functions override the prefix if prefix is used. |
692 EvalFunc func = gFunctionMap->get(expr->mediaFeature().impl()); | 693 EvalFunc func = gFunctionMap->get(expr->mediaFeature().impl()); |
693 if (func) | 694 if (func) |
694 return func(expr->value(), m_style.get(), m_frame, NoPrefix); | 695 return func(expr->value(), m_style.get(), m_frame, NoPrefix); |
695 | 696 |
696 return false; | 697 return false; |
697 } | 698 } |
698 | 699 |
699 } // namespace | 700 } // namespace |
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