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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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637 MediaFeaturePrefix, | 637 MediaFeaturePrefix, |
638 const MediaValues& mediaValues) { | 638 const MediaValues& mediaValues) { |
639 HoverType hover = mediaValues.primaryHoverType(); | 639 HoverType hover = mediaValues.primaryHoverType(); |
640 | 640 |
641 if (!value.isValid()) | 641 if (!value.isValid()) |
642 return hover != HoverTypeNone; | 642 return hover != HoverTypeNone; |
643 | 643 |
644 if (!value.isID) | 644 if (!value.isID) |
645 return false; | 645 return false; |
646 | 646 |
647 if (value.id == CSSValueOnDemand) | |
648 UseCounter::count(mediaValues.document(), UseCounter::CSSValueOnDemand); | |
649 | |
650 return (hover == HoverTypeNone && value.id == CSSValueNone) || | 647 return (hover == HoverTypeNone && value.id == CSSValueNone) || |
651 (hover == HoverTypeOnDemand && value.id == CSSValueOnDemand) || | |
652 (hover == HoverTypeHover && value.id == CSSValueHover); | 648 (hover == HoverTypeHover && value.id == CSSValueHover); |
653 } | 649 } |
654 | 650 |
655 static bool anyHoverMediaFeatureEval(const MediaQueryExpValue& value, | 651 static bool anyHoverMediaFeatureEval(const MediaQueryExpValue& value, |
656 MediaFeaturePrefix, | 652 MediaFeaturePrefix, |
657 const MediaValues& mediaValues) { | 653 const MediaValues& mediaValues) { |
658 int availableHoverTypes = mediaValues.availableHoverTypes(); | 654 int availableHoverTypes = mediaValues.availableHoverTypes(); |
659 | 655 |
660 if (!value.isValid()) | 656 if (!value.isValid()) |
661 return availableHoverTypes & ~HoverTypeNone; | 657 return availableHoverTypes & ~HoverTypeNone; |
662 | 658 |
663 if (!value.isID) | 659 if (!value.isID) |
664 return false; | 660 return false; |
665 | 661 |
666 switch (value.id) { | 662 switch (value.id) { |
667 case CSSValueNone: | 663 case CSSValueNone: |
668 return availableHoverTypes & HoverTypeNone; | 664 return availableHoverTypes & HoverTypeNone; |
669 case CSSValueOnDemand: | |
670 UseCounter::count(mediaValues.document(), UseCounter::CSSValueOnDemand); | |
671 return availableHoverTypes & HoverTypeOnDemand; | |
672 case CSSValueHover: | 665 case CSSValueHover: |
673 return availableHoverTypes & HoverTypeHover; | 666 return availableHoverTypes & HoverTypeHover; |
674 default: | 667 default: |
675 ASSERT_NOT_REACHED(); | 668 ASSERT_NOT_REACHED(); |
676 return false; | 669 return false; |
677 } | 670 } |
678 } | 671 } |
679 | 672 |
680 static bool pointerMediaFeatureEval(const MediaQueryExpValue& value, | 673 static bool pointerMediaFeatureEval(const MediaQueryExpValue& value, |
681 MediaFeaturePrefix, | 674 MediaFeaturePrefix, |
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818 // Call the media feature evaluation function. Assume no prefix and let | 811 // Call the media feature evaluation function. Assume no prefix and let |
819 // trampoline functions override the prefix if prefix is used. | 812 // trampoline functions override the prefix if prefix is used. |
820 EvalFunc func = gFunctionMap->at(expr->mediaFeature().impl()); | 813 EvalFunc func = gFunctionMap->at(expr->mediaFeature().impl()); |
821 if (func) | 814 if (func) |
822 return func(expr->expValue(), NoPrefix, *m_mediaValues); | 815 return func(expr->expValue(), NoPrefix, *m_mediaValues); |
823 | 816 |
824 return false; | 817 return false; |
825 } | 818 } |
826 | 819 |
827 } // namespace blink | 820 } // namespace blink |
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