SliderThumbElement.h revision 65f03d4f644ce73618e5f4f50dd694b26f55ae12 
1/*
2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2010 Google 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 are
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8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
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16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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30 */
31
32#ifndef SliderThumbElement_h
33#define SliderThumbElement_h
34
35#include "FloatPoint.h"
36#include "HTMLDivElement.h"
37#include "HTMLNames.h"
38#include "RenderStyleConstants.h"
39#include <wtf/Forward.h>
40
41namespace WebCore {
42
43class HTMLElement;
44class Event;
45class FloatPoint;
46
47class SliderThumbElement : public HTMLDivElement {
48public:
49    static PassRefPtr<SliderThumbElement> create(Document*);
50
51    bool inDragMode() const { return m_inDragMode; }
52
53    virtual void defaultEventHandler(Event*);
54    virtual void detach();
55    virtual AtomicString shadowPseudoId() const;
56
57private:
58    SliderThumbElement(Document*);
59    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
60
61    FloatPoint m_offsetToThumb;
62    bool m_inDragMode;
63};
64
65inline SliderThumbElement::SliderThumbElement(Document* document)
66    : HTMLDivElement(HTMLNames::divTag, document)
67    , m_inDragMode(false)
68{
69}
70
71inline PassRefPtr<SliderThumbElement> SliderThumbElement::create(Document* document)
72{
73    return adoptRef(new SliderThumbElement(document));
74}
75
76inline AtomicString SliderThumbElement::shadowPseudoId() const
77{
78    DEFINE_STATIC_LOCAL(AtomicString, sliderThumb, ("-webkit-slider-thumb"));
79    return sliderThumb;
80}
81
82inline SliderThumbElement* toSliderThumbElement(Node* node)
83{
84    ASSERT(!node || node->isHTMLElement());
85    return static_cast<SliderThumbElement*>(node);
86}
87
88}
89
90#endif
91