| 1 | /*
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| 2 | * Copyright (C) 2012 Motorola Mobility Inc. All rights reserved.
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| 3 | * Copyright (C) 2020 Apple Inc. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions are
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| 7 | * met:
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| 8 | *
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| 9 | * 1. Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * 2. Redistributions in binary form must reproduce the above
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| 12 | * copyright notice, this list of conditions and the following disclaimer in
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| 13 | * the documentation and/or other materials provided with the distribution.
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| 14 | * 3. Neither the name of Motorola Mobility Inc. nor the names of its
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| 15 | * contributors may be used to endorse or promote products derived from this
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| 16 | * software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 21 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 22 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 23 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 24 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 28 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 29 | */
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| 30 |
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| 31 | #include "config.h"
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| 32 | #include "CSSSupportsRule.h"
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| 33 |
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| 34 | #include "CSSStyleSheet.h"
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| 35 | #include "StyleRule.h"
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| 36 | #include <wtf/text/StringBuilder.h>
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| 37 |
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| 38 | namespace WebCore {
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| 39 |
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| 40 | CSSSupportsRule::CSSSupportsRule(StyleRuleSupports& rule, CSSStyleSheet* parent)
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| 41 | : CSSConditionRule(rule, parent)
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| 42 | {
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| 43 | }
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| 44 |
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| 45 | Ref<CSSSupportsRule> CSSSupportsRule::create(StyleRuleSupports& rule, CSSStyleSheet* parent)
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| 46 | {
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| 47 | return adoptRef(*new CSSSupportsRule(rule, parent));
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| 48 | }
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| 49 |
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| 50 | String CSSSupportsRule::cssText() const
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| 51 | {
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| 52 | StringBuilder result;
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| 53 | result.append("@supports ", conditionText(), " {\n");
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| 54 | appendCSSTextForItems(result);
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| 55 | result.append('}');
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| 56 | return result.toString();
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| 57 | }
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| 58 |
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| 59 | String CSSSupportsRule::conditionText() const
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| 60 | {
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| 61 | return downcast<StyleRuleSupports>(groupRule()).conditionText();
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| 62 | }
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| 63 |
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| 64 | } // namespace WebCore
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