1 /*
2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21 #ifndef HTMLMeterElement_h
22 #define HTMLMeterElement_h
23
24 #include "core/html/LabelableElement.h"
25
26 namespace WebCore {
27
28 class ExceptionState;
29 class MeterValueElement;
30 class RenderMeter;
31
32 class HTMLMeterElement FINAL : public LabelableElement {
33 public:
34 static PassRefPtr<HTMLMeterElement> create(Document&);
35
36 enum GaugeRegion {
37 GaugeRegionOptimum,
38 GaugeRegionSuboptimal,
39 GaugeRegionEvenLessGood
40 };
41
42 double min() const;
43 void setMin(double, ExceptionState&);
44
45 double max() const;
46 void setMax(double, ExceptionState&);
47
48 double value() const;
49 void setValue(double, ExceptionState&);
50
51 double low() const;
52 void setLow(double, ExceptionState&);
53
54 double high() const;
55 void setHigh(double, ExceptionState&);
56
57 double optimum() const;
58 void setOptimum(double, ExceptionState&);
59
60 double valueRatio() const;
61 GaugeRegion gaugeRegion() const;
62
canContainRangeEndPoint()63 bool canContainRangeEndPoint() const { return false; }
64
65 private:
66 explicit HTMLMeterElement(Document&);
67 virtual ~HTMLMeterElement();
68
areAuthorShadowsAllowed()69 virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }
70 RenderMeter* renderMeter() const;
71
supportLabels()72 virtual bool supportLabels() const OVERRIDE { return true; }
73
recalcWillValidate()74 virtual bool recalcWillValidate() const { return false; }
75 virtual RenderObject* createRenderer(RenderStyle*);
76 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
77
78 void didElementStateChange();
79 virtual void didAddUserAgentShadowRoot(ShadowRoot&) OVERRIDE;
80
81 RefPtr<MeterValueElement> m_value;
82 };
83
isHTMLMeterElement(Node * node)84 inline bool isHTMLMeterElement(Node* node)
85 {
86 return node->hasTagName(HTMLNames::meterTag);
87 }
88
89 DEFINE_NODE_TYPE_CASTS(HTMLMeterElement, hasTagName(HTMLNames::meterTag));
90
91 } // namespace
92
93 #endif
94