1/*
2 * This file is part of the WebKit project.
3 *
4 * Copyright (C) 2006 Apple Computer, Inc.
5 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
6 * Copyright (C) 2007 Holger Hans Peter Freyther
7 * Copyright (C) 2007 Alp Toker <alp@atoker.com>
8 * Copyright (C) 2008, 2009 Google, Inc.
9 * All rights reserved.
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Library General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19 * Library General Public License for more details.
20 *
21 * You should have received a copy of the GNU Library General Public License
22 * along with this library; see the file COPYING.LIB.  If not, write to
23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 * Boston, MA 02110-1301, USA.
25 *
26 */
27
28#ifndef RenderThemeChromiumSkia_h
29#define RenderThemeChromiumSkia_h
30
31#include "core/rendering/RenderTheme.h"
32
33namespace blink {
34
35class RenderProgress;
36
37class RenderThemeChromiumSkia : public RenderTheme {
38public:
39    RenderThemeChromiumSkia();
40    virtual ~RenderThemeChromiumSkia();
41
42    virtual String extraDefaultStyleSheet() OVERRIDE;
43    virtual String extraQuirksStyleSheet() OVERRIDE;
44
45    virtual Color platformTapHighlightColor() const OVERRIDE
46    {
47        return Color(defaultTapHighlightColor);
48    }
49
50    // A method asking if the theme's controls actually care about redrawing when hovered.
51    virtual bool supportsHover(const RenderStyle*) const OVERRIDE FINAL;
52
53    // A method asking if the theme is able to draw the focus ring.
54    virtual bool supportsFocusRing(const RenderStyle*) const OVERRIDE;
55
56    // The platform selection color.
57    virtual Color platformActiveSelectionBackgroundColor() const OVERRIDE;
58    virtual Color platformInactiveSelectionBackgroundColor() const OVERRIDE;
59    virtual Color platformActiveSelectionForegroundColor() const OVERRIDE;
60    virtual Color platformInactiveSelectionForegroundColor() const OVERRIDE;
61    virtual Color platformFocusRingColor() const OVERRIDE;
62
63    // To change the blink interval, override caretBlinkIntervalInternal instead of this one so that we may share layout test code an intercepts.
64    virtual double caretBlinkInterval() const OVERRIDE;
65
66    // System fonts.
67    virtual void systemFont(CSSValueID, FontDescription&) const OVERRIDE;
68
69    virtual int minimumMenuListSize(RenderStyle*) const OVERRIDE;
70
71    virtual void setCheckboxSize(RenderStyle*) const OVERRIDE;
72
73    virtual void setRadioSize(RenderStyle*) const OVERRIDE;
74
75    virtual void adjustButtonStyle(RenderStyle*, Element*) const OVERRIDE;
76
77    virtual bool paintTextArea(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
78
79    virtual void adjustSearchFieldStyle(RenderStyle*, Element*) const OVERRIDE;
80    virtual bool paintSearchField(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
81
82    virtual void adjustSearchFieldCancelButtonStyle(RenderStyle*, Element*) const OVERRIDE;
83    virtual bool paintSearchFieldCancelButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
84
85    virtual void adjustSearchFieldDecorationStyle(RenderStyle*, Element*) const OVERRIDE;
86
87    virtual void adjustSearchFieldResultsDecorationStyle(RenderStyle*, Element*) const OVERRIDE;
88    virtual bool paintSearchFieldResultsDecoration(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
89
90    virtual bool paintMediaSliderTrack(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
91    virtual bool paintMediaVolumeSliderTrack(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
92    virtual void adjustSliderThumbSize(RenderStyle*, Element*) const OVERRIDE;
93    virtual bool paintMediaSliderThumb(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
94    virtual bool paintMediaToggleClosedCaptionsButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
95    virtual bool paintMediaCastButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
96    virtual bool paintMediaVolumeSliderThumb(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
97    virtual bool paintMediaPlayButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
98    virtual bool paintMediaOverlayPlayButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
99    virtual bool paintMediaMuteButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
100    virtual String formatMediaControlsTime(float time) const OVERRIDE;
101    virtual String formatMediaControlsCurrentTime(float currentTime, float duration) const OVERRIDE;
102    virtual bool paintMediaFullscreenButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
103
104    // MenuList refers to an unstyled menulist (meaning a menulist without
105    // background-color or border set) and MenuListButton refers to a styled
106    // menulist (a menulist with background-color or border set). They have
107    // this distinction to support showing aqua style themes whenever they
108    // possibly can, which is something we don't want to replicate.
109    //
110    // In short, we either go down the MenuList code path or the MenuListButton
111    // codepath. We never go down both. And in both cases, they render the
112    // entire menulist.
113    virtual void adjustMenuListStyle(RenderStyle*, Element*) const OVERRIDE;
114    virtual void adjustMenuListButtonStyle(RenderStyle*, Element*) const OVERRIDE;
115    virtual bool paintMenuListButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
116
117    virtual double animationRepeatIntervalForProgressBar(RenderProgress*) const OVERRIDE;
118    virtual double animationDurationForProgressBar(RenderProgress*) const OVERRIDE;
119
120    // These methods define the padding for the MenuList's inner block.
121    virtual int popupInternalPaddingLeft(RenderStyle*) const OVERRIDE;
122    virtual int popupInternalPaddingRight(RenderStyle*) const OVERRIDE;
123    virtual int popupInternalPaddingTop(RenderStyle*) const OVERRIDE;
124    virtual int popupInternalPaddingBottom(RenderStyle*) const OVERRIDE;
125
126    // Provide a way to pass the default font size from the Settings object
127    // to the render theme. FIXME: http://b/1129186 A cleaner way would be
128    // to remove the default font size from this object and have callers
129    // that need the value to get it directly from the appropriate Settings
130    // object.
131    static void setDefaultFontSize(int);
132
133protected:
134    virtual double caretBlinkIntervalInternal() const;
135
136    virtual int menuListArrowPadding() const;
137
138    IntRect determinateProgressValueRectFor(RenderProgress*, const IntRect&) const;
139    IntRect indeterminateProgressValueRectFor(RenderProgress*, const IntRect&) const;
140    IntRect progressValueRectFor(RenderProgress*, const IntRect&) const;
141
142    class DirectionFlippingScope {
143    public:
144        DirectionFlippingScope(RenderObject*, const PaintInfo&, const IntRect&);
145        ~DirectionFlippingScope();
146
147    private:
148        bool m_needsFlipping;
149        const PaintInfo& m_paintInfo;
150    };
151
152private:
153    virtual bool shouldShowPlaceholderWhenFocused() const OVERRIDE;
154
155    int menuListInternalPadding(RenderStyle*, int paddingType) const;
156    bool paintMediaButtonInternal(GraphicsContext*, const IntRect&, Image*);
157    IntRect convertToPaintingRect(RenderObject* inputRenderer, const RenderObject* partRenderer, LayoutRect partRect, const IntRect& localOffset) const;
158
159    static const RGBA32 defaultTapHighlightColor = 0x2e000000; // 18% black.
160};
161
162} // namespace blink
163
164#endif // RenderThemeChromiumSkia_h
165