1/*
2 * This file is part of the theme implementation for form controls in WebCore.
3 *
4 * Copyright (C) 2005 Apple Computer, Inc.
5 * Copyright (C) 2008, 2009 Google, Inc.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24#ifndef RenderThemeChromiumMac_h
25#define RenderThemeChromiumMac_h
26
27#import "RenderTheme.h"
28#import <wtf/HashMap.h>
29#import <wtf/RetainPtr.h>
30
31#ifdef __OBJC__
32@class WebCoreRenderThemeNotificationObserver;
33#else
34class WebCoreRenderThemeNotificationObserver;
35#endif
36
37// This file (and its associated .mm file) is a clone of RenderThemeMac.h. See
38// the .mm file for details.
39
40namespace WebCore {
41
42class RenderStyle;
43
44class RenderThemeChromiumMac : public RenderTheme {
45public:
46    static PassRefPtr<RenderTheme> create();
47
48    // A method asking if the control changes its tint when the window has focus or not.
49    virtual bool controlSupportsTints(const RenderObject*) const;
50
51    // A general method asking if any control tinting is supported at all.
52    virtual bool supportsControlTints() const { return true; }
53
54    virtual void adjustRepaintRect(const RenderObject*, IntRect&);
55
56    virtual bool isControlStyled(const RenderStyle*, const BorderData&,
57                                 const FillLayer&, const Color& backgroundColor) const;
58
59    virtual Color platformActiveSelectionBackgroundColor() const;
60    virtual Color platformInactiveSelectionBackgroundColor() const;
61    virtual Color platformActiveListBoxSelectionBackgroundColor() const;
62    virtual Color platformActiveListBoxSelectionForegroundColor() const;
63    virtual Color platformInactiveListBoxSelectionBackgroundColor() const;
64    virtual Color platformInactiveListBoxSelectionForegroundColor() const;
65    virtual Color platformFocusRingColor() const;
66
67    virtual ScrollbarControlSize scrollbarControlSizeForPart(ControlPart) { return SmallScrollbar; }
68
69    virtual void platformColorsDidChange();
70
71    // System fonts.
72    virtual void systemFont(int cssValueId, FontDescription&) const;
73
74    virtual int minimumMenuListSize(RenderStyle*) const;
75
76    virtual void adjustSliderThumbSize(RenderObject*) const;
77
78    virtual int popupInternalPaddingLeft(RenderStyle*) const;
79    virtual int popupInternalPaddingRight(RenderStyle*) const;
80    virtual int popupInternalPaddingTop(RenderStyle*) const;
81    virtual int popupInternalPaddingBottom(RenderStyle*) const;
82
83    virtual bool paintCapsLockIndicator(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
84
85    virtual Color systemColor(int cssValueId) const;
86
87protected:
88    virtual bool supportsSelectionForegroundColors() const { return false; }
89
90    virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
91    virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
92
93    virtual bool paintTextArea(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
94    virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
95
96    virtual bool paintMenuList(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
97    virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
98
99    virtual bool paintMenuListButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
100    virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
101
102    virtual bool paintSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
103    virtual void adjustSliderTrackStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
104
105    virtual bool paintSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
106    virtual void adjustSliderThumbStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
107
108    virtual bool paintSearchField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
109    virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
110
111    virtual void adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
112    virtual bool paintSearchFieldCancelButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
113
114    virtual void adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
115    virtual bool paintSearchFieldDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
116
117    virtual void adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
118    virtual bool paintSearchFieldResultsDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
119
120    virtual void adjustSearchFieldResultsButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
121    virtual bool paintSearchFieldResultsButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
122
123#if ENABLE(VIDEO)
124    virtual bool shouldRenderMediaControlPart(ControlPart, Element*);
125    virtual bool paintMediaPlayButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
126    virtual bool paintMediaMuteButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
127    virtual bool paintMediaSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
128    virtual bool paintMediaSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
129    virtual bool paintMediaVolumeSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
130    virtual bool paintMediaVolumeSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
131    virtual bool paintMediaControlsBackground(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
132
133    // Media controls
134    virtual String extraMediaControlsStyleSheet();
135#endif
136
137private:
138    RenderThemeChromiumMac();
139    virtual ~RenderThemeChromiumMac();
140
141    IntRect inflateRect(const IntRect&, const IntSize&, const int* margins, float zoomLevel = 1.0f) const;
142
143    FloatRect convertToPaintingRect(const RenderObject* inputRenderer, const RenderObject* partRenderer, const FloatRect& inputRect, const IntRect& r) const;
144
145    // Get the control size based off the font.  Used by some of the controls (like buttons).
146    NSControlSize controlSizeForFont(RenderStyle*) const;
147    NSControlSize controlSizeForSystemFont(RenderStyle*) const;
148    void setControlSize(NSCell*, const IntSize* sizes, const IntSize& minSize, float zoomLevel = 1.0f);
149    void setSizeFromFont(RenderStyle*, const IntSize* sizes) const;
150    IntSize sizeForFont(RenderStyle*, const IntSize* sizes) const;
151    IntSize sizeForSystemFont(RenderStyle*, const IntSize* sizes) const;
152    void setFontFromControlSize(CSSStyleSelector*, RenderStyle*, NSControlSize) const;
153
154    void updateActiveState(NSCell*, const RenderObject*);
155    void updateCheckedState(NSCell*, const RenderObject*);
156    void updateEnabledState(NSCell*, const RenderObject*);
157    void updateFocusedState(NSCell*, const RenderObject*);
158    void updatePressedState(NSCell*, const RenderObject*);
159
160    // Helpers for adjusting appearance and for painting
161
162    void setPopupButtonCellState(const RenderObject*, const IntRect&);
163    const IntSize* popupButtonSizes() const;
164    const int* popupButtonMargins() const;
165    const int* popupButtonPadding(NSControlSize) const;
166    void paintMenuListButtonGradients(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
167    const IntSize* menuListSizes() const;
168
169    const IntSize* searchFieldSizes() const;
170    const IntSize* cancelButtonSizes() const;
171    const IntSize* resultsButtonSizes() const;
172    void setSearchCellState(RenderObject*, const IntRect&);
173    void setSearchFieldSize(RenderStyle*) const;
174
175    NSPopUpButtonCell* popupButton() const;
176    NSSearchFieldCell* search() const;
177    NSMenu* searchMenuTemplate() const;
178    NSSliderCell* sliderThumbHorizontal() const;
179    NSSliderCell* sliderThumbVertical() const;
180
181private:
182    mutable RetainPtr<NSPopUpButtonCell> m_popupButton;
183    mutable RetainPtr<NSSearchFieldCell> m_search;
184    mutable RetainPtr<NSMenu> m_searchMenuTemplate;
185    mutable RetainPtr<NSSliderCell> m_sliderThumbHorizontal;
186    mutable RetainPtr<NSSliderCell> m_sliderThumbVertical;
187
188    bool m_isSliderThumbHorizontalPressed;
189    bool m_isSliderThumbVerticalPressed;
190
191    mutable HashMap<int, RGBA32> m_systemColorCache;
192
193    RetainPtr<WebCoreRenderThemeNotificationObserver> m_notificationObserver;
194};
195
196} // namespace WebCore
197
198#endif // RenderThemeChromiumMac_h
199