1/*
2 * This file is part of the theme implementation for form controls in WebCore.
3 *
4 * Copyright (C) 2005 Apple Computer, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB.  If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23#ifndef RenderThemeMac_h
24#define RenderThemeMac_h
25
26#import "RenderTheme.h"
27#import <wtf/HashMap.h>
28#import <wtf/RetainPtr.h>
29
30#ifdef __OBJC__
31@class WebCoreRenderThemeNotificationObserver;
32#else
33class WebCoreRenderThemeNotificationObserver;
34#endif
35
36namespace WebCore {
37
38class RenderStyle;
39
40class RenderThemeMac : public RenderTheme {
41public:
42    static PassRefPtr<RenderTheme> create();
43
44    // A method asking if the control changes its tint when the window has focus or not.
45    virtual bool controlSupportsTints(const RenderObject*) const;
46
47    // A general method asking if any control tinting is supported at all.
48    virtual bool supportsControlTints() const { return true; }
49
50    virtual void adjustRepaintRect(const RenderObject*, IntRect&);
51
52    virtual bool isControlStyled(const RenderStyle*, const BorderData&,
53                                 const FillLayer&, const Color& backgroundColor) const;
54
55    virtual Color platformActiveSelectionBackgroundColor() const;
56    virtual Color platformInactiveSelectionBackgroundColor() const;
57    virtual Color platformActiveListBoxSelectionBackgroundColor() const;
58    virtual Color platformActiveListBoxSelectionForegroundColor() const;
59    virtual Color platformInactiveListBoxSelectionBackgroundColor() const;
60    virtual Color platformInactiveListBoxSelectionForegroundColor() const;
61    virtual Color platformFocusRingColor() const;
62
63    virtual ScrollbarControlSize scrollbarControlSizeForPart(ControlPart) { return SmallScrollbar; }
64
65    virtual void platformColorsDidChange();
66
67    // System fonts.
68    virtual void systemFont(int cssValueId, FontDescription&) const;
69
70    virtual int minimumMenuListSize(RenderStyle*) const;
71
72    virtual void adjustSliderThumbSize(RenderObject*) const;
73
74    virtual int popupInternalPaddingLeft(RenderStyle*) const;
75    virtual int popupInternalPaddingRight(RenderStyle*) const;
76    virtual int popupInternalPaddingTop(RenderStyle*) const;
77    virtual int popupInternalPaddingBottom(RenderStyle*) const;
78
79    virtual bool paintCapsLockIndicator(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
80
81    virtual Color systemColor(int cssValueId) const;
82
83protected:
84    virtual bool supportsSelectionForegroundColors() const { return false; }
85
86    virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
87    virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
88
89    virtual bool paintTextArea(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
90    virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
91
92    virtual bool paintMenuList(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
93    virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
94
95    virtual bool paintMenuListButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
96    virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
97
98    virtual bool paintSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
99    virtual void adjustSliderTrackStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
100
101    virtual bool paintSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
102    virtual void adjustSliderThumbStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
103
104    virtual bool paintSearchField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
105    virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
106
107    virtual void adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
108    virtual bool paintSearchFieldCancelButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
109
110    virtual void adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
111    virtual bool paintSearchFieldDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
112
113    virtual void adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
114    virtual bool paintSearchFieldResultsDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
115
116    virtual void adjustSearchFieldResultsButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
117    virtual bool paintSearchFieldResultsButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
118
119#if ENABLE(VIDEO)
120    virtual bool paintMediaFullscreenButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
121    virtual bool paintMediaPlayButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
122    virtual bool paintMediaMuteButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
123    virtual bool paintMediaSeekBackButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
124    virtual bool paintMediaSeekForwardButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
125    virtual bool paintMediaSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
126    virtual bool paintMediaSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
127    virtual bool paintMediaRewindButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
128    virtual bool paintMediaReturnToRealtimeButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
129    virtual bool paintMediaToggleClosedCaptionsButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
130    virtual bool paintMediaControlsBackground(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
131    virtual bool paintMediaCurrentTime(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
132    virtual bool paintMediaTimeRemaining(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
133
134    // Media controls
135    virtual String extraMediaControlsStyleSheet();
136
137    virtual bool shouldRenderMediaControlPart(ControlPart, Element*);
138#endif
139
140private:
141    RenderThemeMac();
142    virtual ~RenderThemeMac();
143
144    IntRect inflateRect(const IntRect&, const IntSize&, const int* margins, float zoomLevel = 1.0f) const;
145
146    FloatRect convertToPaintingRect(const RenderObject* inputRenderer, const RenderObject* partRenderer, const FloatRect& inputRect, const IntRect& r) const;
147
148    // Get the control size based off the font.  Used by some of the controls (like buttons).
149    NSControlSize controlSizeForFont(RenderStyle*) const;
150    NSControlSize controlSizeForSystemFont(RenderStyle*) const;
151    void setControlSize(NSCell*, const IntSize* sizes, const IntSize& minSize, float zoomLevel = 1.0f);
152    void setSizeFromFont(RenderStyle*, const IntSize* sizes) const;
153    IntSize sizeForFont(RenderStyle*, const IntSize* sizes) const;
154    IntSize sizeForSystemFont(RenderStyle*, const IntSize* sizes) const;
155    void setFontFromControlSize(CSSStyleSelector*, RenderStyle*, NSControlSize) const;
156
157    void updateCheckedState(NSCell*, const RenderObject*);
158    void updateEnabledState(NSCell*, const RenderObject*);
159    void updateFocusedState(NSCell*, const RenderObject*);
160    void updatePressedState(NSCell*, const RenderObject*);
161
162    // Helpers for adjusting appearance and for painting
163
164    void setPopupButtonCellState(const RenderObject*, const IntRect&);
165    const IntSize* popupButtonSizes() const;
166    const int* popupButtonMargins() const;
167    const int* popupButtonPadding(NSControlSize) const;
168    void paintMenuListButtonGradients(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
169    const IntSize* menuListSizes() const;
170
171    const IntSize* searchFieldSizes() const;
172    const IntSize* cancelButtonSizes() const;
173    const IntSize* resultsButtonSizes() const;
174    void setSearchCellState(RenderObject*, const IntRect&);
175    void setSearchFieldSize(RenderStyle*) const;
176
177    NSPopUpButtonCell* popupButton() const;
178    NSSearchFieldCell* search() const;
179    NSMenu* searchMenuTemplate() const;
180    NSSliderCell* sliderThumbHorizontal() const;
181    NSSliderCell* sliderThumbVertical() const;
182
183private:
184    mutable RetainPtr<NSPopUpButtonCell> m_popupButton;
185    mutable RetainPtr<NSSearchFieldCell> m_search;
186    mutable RetainPtr<NSMenu> m_searchMenuTemplate;
187    mutable RetainPtr<NSSliderCell> m_sliderThumbHorizontal;
188    mutable RetainPtr<NSSliderCell> m_sliderThumbVertical;
189
190    bool m_isSliderThumbHorizontalPressed;
191    bool m_isSliderThumbVerticalPressed;
192
193    mutable HashMap<int, RGBA32> m_systemColorCache;
194
195    RetainPtr<WebCoreRenderThemeNotificationObserver> m_notificationObserver;
196};
197
198} // namespace WebCore
199
200#endif // RenderThemeMac_h
201