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| 1 /* | |
| 2 * Copyright (C) 2007, 2008, 2012 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "sky/engine/config.h" | |
| 27 #include "sky/engine/core/css/StyleKeyframe.h" | |
| 28 | |
| 29 #include "sky/engine/core/css/StylePropertySet.h" | |
| 30 #include "sky/engine/core/css/parser/BisonCSSParser.h" | |
| 31 #include "sky/engine/wtf/text/StringBuilder.h" | |
| 32 | |
| 33 namespace blink { | |
| 34 | |
| 35 StyleKeyframe::StyleKeyframe() | |
| 36 { | |
| 37 } | |
| 38 | |
| 39 StyleKeyframe::~StyleKeyframe() | |
| 40 { | |
| 41 } | |
| 42 | |
| 43 String StyleKeyframe::keyText() const | |
| 44 { | |
| 45 if (m_keyText.isNull()) { | |
| 46 // Keys are always set when these objects are created. | |
| 47 ASSERT(m_keys && !m_keys->isEmpty()); | |
| 48 StringBuilder keyText; | |
| 49 for (unsigned i = 0; i < m_keys->size(); ++i) { | |
| 50 if (i) | |
| 51 keyText.append(','); | |
| 52 keyText.append(String::number(m_keys->at(i) * 100)); | |
| 53 keyText.append('%'); | |
| 54 } | |
| 55 m_keyText = keyText.toString(); | |
| 56 } | |
| 57 ASSERT(!m_keyText.isNull()); | |
| 58 return m_keyText; | |
| 59 } | |
| 60 | |
| 61 void StyleKeyframe::setKeyText(const String& keyText) | |
| 62 { | |
| 63 // FIXME: Should we trim whitespace? | |
| 64 // FIXME: Should we leave keyText unchanged when attempting to set to an | |
| 65 // invalid string? | |
| 66 ASSERT(!keyText.isNull()); | |
| 67 m_keyText = keyText; | |
| 68 m_keys.clear(); | |
| 69 } | |
| 70 | |
| 71 const Vector<double>& StyleKeyframe::keys() const | |
| 72 { | |
| 73 if (!m_keys) { | |
| 74 // Keys can only be cleared by setting the key text from JavaScript | |
| 75 // and this can never be null. | |
| 76 ASSERT(!m_keyText.isNull()); | |
| 77 m_keys = BisonCSSParser(strictCSSParserContext()).parseKeyframeKeyList(m
_keyText); | |
| 78 } | |
| 79 // If an invalid key string was set, m_keys may be empty. | |
| 80 ASSERT(m_keys); | |
| 81 return *m_keys; | |
| 82 } | |
| 83 | |
| 84 void StyleKeyframe::setKeys(PassOwnPtr<Vector<double> > keys) | |
| 85 { | |
| 86 ASSERT(keys && !keys->isEmpty()); | |
| 87 m_keys = keys; | |
| 88 m_keyText = String(); | |
| 89 ASSERT(m_keyText.isNull()); | |
| 90 } | |
| 91 | |
| 92 void StyleKeyframe::setProperties(PassRefPtr<StylePropertySet> properties) | |
| 93 { | |
| 94 ASSERT(properties); | |
| 95 m_properties = properties; | |
| 96 } | |
| 97 | |
| 98 String StyleKeyframe::cssText() const | |
| 99 { | |
| 100 StringBuilder result; | |
| 101 result.append(keyText()); | |
| 102 result.appendLiteral(" { "); | |
| 103 String decls = m_properties->asText(); | |
| 104 result.append(decls); | |
| 105 if (!decls.isEmpty()) | |
| 106 result.append(' '); | |
| 107 result.append('}'); | |
| 108 return result.toString(); | |
| 109 } | |
| 110 | |
| 111 PassOwnPtr<Vector<double> > StyleKeyframe::createKeyList(CSSParserValueList* key
s) | |
| 112 { | |
| 113 OwnPtr<Vector<double> > keyVector = adoptPtr(new Vector<double>(keys->size()
)); | |
| 114 for (unsigned i = 0; i < keys->size(); ++i) { | |
| 115 ASSERT(keys->valueAt(i)->unit == blink::CSSPrimitiveValue::CSS_NUMBER); | |
| 116 double key = keys->valueAt(i)->fValue; | |
| 117 if (key < 0 || key > 100) { | |
| 118 // As per http://www.w3.org/TR/css3-animations/#keyframes, | |
| 119 // "If a keyframe selector specifies negative percentage values | |
| 120 // or values higher than 100%, then the keyframe will be ignored." | |
| 121 keyVector->clear(); | |
| 122 break; | |
| 123 } | |
| 124 keyVector->at(i) = key / 100; | |
| 125 } | |
| 126 return keyVector.release(); | |
| 127 } | |
| 128 | |
| 129 } // namespace blink | |
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Chromium Code Reviews
Issue 876433002:
Remove even more @keyframes related code. (Closed)
Base URL: git@github.com:domokit/mojo.git@master