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
34struct ThemeData {
35    ThemeData()
36        : m_part(0)
37        , m_state(0)
38    {
39    }
40
41    unsigned m_part;
42    unsigned m_state;
43};
44
45class RenderThemeAndroid : public RenderTheme {
46public:
47    static PassRefPtr<RenderTheme> create();
48    ~RenderThemeAndroid();
49
50    virtual bool stateChanged(RenderObject*, ControlState) const;
51
52    virtual bool supportsFocusRing(const RenderStyle*) const;
53    // A method asking if the theme's controls actually care about redrawing when hovered.
54    virtual bool supportsHover(const RenderStyle* style) const { return style->affectedByHoverRules(); }
55
56    virtual int baselinePosition(const RenderObject*) const;
57
58    virtual Color platformActiveSelectionBackgroundColor() const;
59    virtual Color platformInactiveSelectionBackgroundColor() const;
60    virtual Color platformActiveSelectionForegroundColor() const;
61    virtual Color platformInactiveSelectionForegroundColor() const;
62    virtual Color platformTextSearchHighlightColor() const;
63    virtual Color platformFocusRingColor() const;
64
65    virtual Color platformActiveListBoxSelectionBackgroundColor() const;
66    virtual Color platformInactiveListBoxSelectionBackgroundColor() const;
67    virtual Color platformActiveListBoxSelectionForegroundColor() const;
68    virtual Color platformInactiveListBoxSelectionForegroundColor() const;
69
70    virtual Color platformActiveTextSearchHighlightColor() const;
71    virtual Color platformInactiveTextSearchHighlightColor() const;
72
73    virtual void systemFont(int, WebCore::FontDescription&) const {}
74
75    virtual int minimumMenuListSize(RenderStyle*) const { return 0; }
76
77protected:
78    virtual bool paintCheckbox(RenderObject*, const PaintInfo&, const IntRect&);
79    virtual void setCheckboxSize(RenderStyle*) const;
80
81#if ENABLE(VIDEO)
82    virtual String extraMediaControlsStyleSheet();
83    virtual void adjustSliderThumbSize(RenderObject* o) const;
84    virtual bool shouldRenderMediaControlPart(ControlPart part, Element* e);
85    virtual bool paintMediaFullscreenButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
86    virtual bool paintMediaMuteButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
87    virtual bool paintMediaPlayButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
88    virtual bool paintMediaSeekBackButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
89    virtual bool paintMediaSeekForwardButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
90    virtual bool paintMediaSliderTrack(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
91    virtual bool paintMediaSliderThumb(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r);
92    virtual bool paintMediaControlsBackground(RenderObject* object, const PaintInfo& paintInfo, const IntRect& rect);
93    virtual double mediaControlsFadeInDuration() { return 0.5; }
94    virtual double mediaControlsFadeOutDuration() { return 0.5; }
95#endif
96
97    virtual bool paintRadio(RenderObject*, const PaintInfo&, const IntRect&);
98    virtual void setRadioSize(RenderStyle*) const;
99
100    virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
101    virtual bool paintButton(RenderObject*, const PaintInfo&, const IntRect&);
102
103    virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
104    virtual bool paintTextField(RenderObject*, const PaintInfo&, const IntRect&);
105
106    virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
107    virtual bool paintTextArea(RenderObject*, const PaintInfo&, const IntRect&);
108
109    bool paintCombo(RenderObject*, const PaintInfo&,  const IntRect&);
110
111    virtual void adjustListboxStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
112    virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
113    virtual bool paintMenuList(RenderObject*, const PaintInfo&, const IntRect&);
114
115    virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
116    virtual bool paintMenuListButton(RenderObject*, const PaintInfo&, const IntRect&);
117
118    virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
119    virtual bool paintSearchField(RenderObject*, const PaintInfo&, const IntRect&);
120
121    virtual bool paintSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
122    virtual bool paintSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
123
124private:
125    RenderThemeAndroid();
126    void addIntrinsicMargins(RenderStyle*) const;
127    void close();
128
129    bool supportsFocus(ControlPart);
130    friend RenderTheme* theme();
131};
132
133} // namespace WebCore
134
135#endif // RenderThemeAndroid_h
136