RenderThemeAndroid.h revision 4d6b8874f0e7c59190e219d2eb362498ae440a81 
1/*
2 * Copyright 2006, The Android Open Source Project
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 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * 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 THE COPYRIGHT HOLDERS ``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#ifndef RenderThemeAndroid_h
27#define RenderThemeAndroid_h
28
29#include "PaintInfo.h"
30#include "RenderTheme.h"
31
32namespace WebCore {
33
34class RenderSkinRadio;
35class RenderSkinCombo;
36
37struct ThemeData {
38    ThemeData()
39        : m_part(0)
40        , m_state(0)
41    {
42    }
43
44    unsigned m_part;
45    unsigned m_state;
46};
47
48class RenderThemeAndroid : public RenderTheme {
49public:
50    static PassRefPtr<RenderTheme> create();
51    ~RenderThemeAndroid();
52
53    virtual bool stateChanged(RenderObject*, ControlState) const;
54
55    virtual bool supportsFocusRing(const RenderStyle*) const;
56    // A method asking if the theme's controls actually care about redrawing when hovered.
57    virtual bool supportsHover(const RenderStyle* style) const { return style->affectedByHoverRules(); }
58
59    virtual int baselinePosition(const RenderObject*) const;
60
61    virtual Color platformActiveSelectionBackgroundColor() const;
62    virtual Color platformInactiveSelectionBackgroundColor() const;
63    virtual Color platformActiveSelectionForegroundColor() const;
64    virtual Color platformInactiveSelectionForegroundColor() const;
65    virtual Color platformTextSearchHighlightColor() const;
66
67    virtual Color platformActiveListBoxSelectionBackgroundColor() const;
68    virtual Color platformInactiveListBoxSelectionBackgroundColor() const;
69    virtual Color platformActiveListBoxSelectionForegroundColor() const;
70    virtual Color platformInactiveListBoxSelectionForegroundColor() const;
71
72    virtual void systemFont(int, WebCore::FontDescription&) const {}
73
74    virtual int minimumMenuListSize(RenderStyle*) const { return 0; }
75
76protected:
77    virtual bool paintCheckbox(RenderObject*, const PaintInfo&, const IntRect&);
78    virtual void setCheckboxSize(RenderStyle*) const;
79
80#if ENABLE(VIDEO)
81    virtual String extraMediaControlsStyleSheet();
82    virtual void adjustSliderThumbSize(RenderObject* o) const;
83    virtual bool shouldRenderMediaControlPart(ControlPart part, Element* e);
84    virtual bool paintMediaFullscreenButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
85    virtual bool paintMediaMuteButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
86    virtual bool paintMediaPlayButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
87    virtual bool paintMediaSeekBackButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
88    virtual bool paintMediaSeekForwardButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
89    virtual bool paintMediaSliderTrack(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
90    virtual bool paintMediaSliderThumb(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
91    virtual bool paintMediaControlsBackground(RenderObject* object, const PaintInfo& paintInfo, const IntRect& rect);
92    virtual double mediaControlsFadeInDuration() { return 0.5; }
93    virtual double mediaControlsFadeOutDuration() { return 0.5; }
94#endif
95
96    virtual bool paintRadio(RenderObject*, const PaintInfo&, const IntRect&);
97    virtual void setRadioSize(RenderStyle*) const;
98
99    virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
100    virtual bool paintButton(RenderObject*, const PaintInfo&, const IntRect&);
101
102    virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
103    virtual bool paintTextField(RenderObject*, const PaintInfo&, const IntRect&);
104
105    virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
106    virtual bool paintTextArea(RenderObject*, const PaintInfo&, const IntRect&);
107
108    bool paintCombo(RenderObject*, const PaintInfo&,  const IntRect&);
109
110    virtual void adjustListboxStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
111    virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
112    virtual bool paintMenuList(RenderObject*, const PaintInfo&, const IntRect&);
113
114    virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
115    virtual bool paintMenuListButton(RenderObject*, const PaintInfo&, const IntRect&);
116
117    virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
118    virtual bool paintSearchField(RenderObject*, const PaintInfo&, const IntRect&);
119
120private:
121    RenderThemeAndroid();
122    void addIntrinsicMargins(RenderStyle*) const;
123    void close();
124
125    bool supportsFocus(ControlPart);
126    friend RenderTheme* theme();
127};
128
129} // namespace WebCore
130
131#endif // RenderThemeAndroid_h
132