1 /*
2 * CSS Media Query
3 *
4 * Copyright (C) 2005, 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "config.h"
29 #include "MediaQuery.h"
30
31 #include "MediaQueryExp.h"
32
33 namespace WebCore {
34
MediaQuery(Restrictor r,const String & mediaType,Vector<MediaQueryExp * > * exprs)35 MediaQuery::MediaQuery(Restrictor r, const String& mediaType, Vector<MediaQueryExp*>* exprs)
36 : m_restrictor(r)
37 , m_mediaType(mediaType)
38 , m_expressions(exprs)
39 {
40 if (!m_expressions)
41 m_expressions = new Vector<MediaQueryExp*>;
42 }
43
~MediaQuery()44 MediaQuery::~MediaQuery()
45 {
46 if (m_expressions) {
47 deleteAllValues(*m_expressions);
48 delete m_expressions;
49 }
50 }
51
operator ==(const MediaQuery & other) const52 bool MediaQuery::operator==(const MediaQuery& other) const
53 {
54 if (m_restrictor != other.m_restrictor
55 || m_mediaType != other.m_mediaType
56 || m_expressions->size() != other.m_expressions->size())
57 return false;
58
59 for (size_t i = 0; i < m_expressions->size(); ++i) {
60 MediaQueryExp* exp = m_expressions->at(i);
61 MediaQueryExp* oexp = other.m_expressions->at(i);
62 if (!(*exp == *oexp))
63 return false;
64 }
65
66 return true;
67 }
68
cssText() const69 String MediaQuery::cssText() const
70 {
71 String text;
72 switch (m_restrictor) {
73 case MediaQuery::Only:
74 text += "only ";
75 break;
76 case MediaQuery::Not:
77 text += "not ";
78 break;
79 case MediaQuery::None:
80 default:
81 break;
82 }
83 text += m_mediaType;
84 for (size_t i = 0; i < m_expressions->size(); ++i) {
85 MediaQueryExp* exp = m_expressions->at(i);
86 text += " and (";
87 text += exp->mediaFeature();
88 if (exp->value()) {
89 text += ": ";
90 text += exp->value()->cssText();
91 }
92 text += ")";
93 }
94 return text;
95 }
96
97 } //namespace
98