1/*
2 * Copyright (C) 2012 Intel Corporation. All rights reserved.
3 * Copyright (C) 2012 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer.
12 * 2. Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials
15 * provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
26 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "WebKitCSSViewportRule.h"
33
34#if ENABLE(CSS_DEVICE_ADAPTATION)
35
36#include "PropertySetCSSStyleDeclaration.h"
37#include "StyleProperties.h"
38#include "StyleRule.h"
39#include <wtf/text/StringBuilder.h>
40
41namespace WebCore {
42
43WebKitCSSViewportRule::WebKitCSSViewportRule(StyleRuleViewport& viewportRule, CSSStyleSheet* sheet)
44 : CSSRule(sheet)
45 , m_viewportRule(viewportRule)
46{
47}
48
49WebKitCSSViewportRule::~WebKitCSSViewportRule()
50{
51 if (m_propertiesCSSOMWrapper)
52 m_propertiesCSSOMWrapper->clearParentRule();
53}
54
55CSSStyleDeclaration& WebKitCSSViewportRule::style()
56{
57 if (!m_propertiesCSSOMWrapper)
58 m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_viewportRule->mutableProperties(), *this);
59
60 return *m_propertiesCSSOMWrapper;
61}
62
63String WebKitCSSViewportRule::cssText() const
64{
65 StringBuilder result;
66 result.appendLiteral("@-webkit-viewport { ");
67
68 String decls = m_viewportRule->properties().asText();
69 result.append(decls);
70 if (!decls.isEmpty())
71 result.append(' ');
72
73 result.append('}');
74
75 return result.toString();
76}
77
78void WebKitCSSViewportRule::reattach(StyleRuleBase& rule)
79{
80 m_viewportRule = downcast<StyleRuleViewport>(rule);
81
82 if (m_propertiesCSSOMWrapper)
83 m_propertiesCSSOMWrapper->reattach(m_viewportRule->mutableProperties());
84}
85
86} // namespace WebCore
87
88#endif // ENABLE(CSS_DEVICE_ADAPTATION)
89