1 /*
2 * Copyright (C) 2007, 2008 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 "config.h"
27 #include "WebKitCSSKeyframeRule.h"
28
29 #include "CSSMutableStyleDeclaration.h"
30
31 namespace WebCore {
32
WebKitCSSKeyframeRule(CSSStyleSheet * parent)33 WebKitCSSKeyframeRule::WebKitCSSKeyframeRule(CSSStyleSheet* parent)
34 : CSSRule(parent)
35 {
36 }
37
~WebKitCSSKeyframeRule()38 WebKitCSSKeyframeRule::~WebKitCSSKeyframeRule()
39 {
40 if (m_style)
41 m_style->setParent(0);
42 }
43
cssText() const44 String WebKitCSSKeyframeRule::cssText() const
45 {
46 String result = m_key;
47
48 result += " { ";
49 result += m_style->cssText();
50 result += "}";
51
52 return result;
53 }
54
parseString(const String &,bool)55 bool WebKitCSSKeyframeRule::parseString(const String& /*string*/, bool /*strict*/)
56 {
57 // FIXME
58 return false;
59 }
60
setDeclaration(PassRefPtr<CSSMutableStyleDeclaration> style)61 void WebKitCSSKeyframeRule::setDeclaration(PassRefPtr<CSSMutableStyleDeclaration> style)
62 {
63 m_style = style;
64 m_style->setParent(parent());
65 }
66
67 /* static */
parseKeyString(const String & s,Vector<float> & keys)68 void WebKitCSSKeyframeRule::parseKeyString(const String& s, Vector<float>& keys)
69 {
70 keys.clear();
71 Vector<String> strings;
72 s.split(',', strings);
73
74 for (size_t i = 0; i < strings.size(); ++i) {
75 float key = -1;
76 String cur = strings[i].stripWhiteSpace();
77
78 // For now the syntax MUST be 'xxx%' or 'from' or 'to', where xxx is a legal floating point number
79 if (cur == "from")
80 key = 0;
81 else if (cur == "to")
82 key = 1;
83 else if (cur.endsWith("%")) {
84 float k = cur.substring(0, cur.length() - 1).toFloat();
85 if (k >= 0 && k <= 100)
86 key = k/100;
87 }
88
89 if (key < 0) {
90 keys.clear();
91 return;
92 }
93 else
94 keys.append(key);
95 }
96 }
97
98 } // namespace WebCore
99