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1 /*
2  * This file is part of the WebKit project.
3  *
4  * Copyright (C) 2006, 2008 Apple Computer, Inc.
5  * Copyright (C) 2009 Kenneth Rohde Christiansen
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 RenderThemeWin_h
25 #define RenderThemeWin_h
26 
27 #include "RenderTheme.h"
28 
29 #if WIN32
30 typedef void* HANDLE;
31 typedef struct HINSTANCE__* HINSTANCE;
32 typedef HINSTANCE HMODULE;
33 #endif
34 
35 namespace WebCore {
36 
37 struct ThemeData {
ThemeDataThemeData38     ThemeData() :m_part(0), m_state(0), m_classicState(0) {}
ThemeDataThemeData39     ThemeData(int part, int state)
40         : m_part(part)
41         , m_state(state)
42         , m_classicState(0)
43     { }
44 
45     unsigned m_part;
46     unsigned m_state;
47     unsigned m_classicState;
48 };
49 
50 class RenderThemeWin : public RenderTheme {
51 public:
52     static PassRefPtr<RenderTheme> create();
53 
54     virtual String extraDefaultStyleSheet();
55     virtual String extraQuirksStyleSheet();
56 
57     // A method asking if the theme's controls actually care about redrawing when hovered.
58     virtual bool supportsHover(const RenderStyle*) const;
59 
60     virtual Color platformActiveSelectionBackgroundColor() const;
61     virtual Color platformInactiveSelectionBackgroundColor() const;
62     virtual Color platformActiveSelectionForegroundColor() const;
63     virtual Color platformInactiveSelectionForegroundColor() const;
64 
65     // System fonts.
66     virtual void systemFont(int propId, FontDescription&) const;
67     virtual Color systemColor(int cssValueId) const;
68 
paintCheckbox(RenderObject * o,const PaintInfo & i,const IntRect & r)69     virtual bool paintCheckbox(RenderObject* o, const PaintInfo& i, const IntRect& r)
70     { return paintButton(o, i, r); }
71     virtual void setCheckboxSize(RenderStyle*) const;
72 
paintRadio(RenderObject * o,const PaintInfo & i,const IntRect & r)73     virtual bool paintRadio(RenderObject* o, const PaintInfo& i, const IntRect& r)
74     { return paintButton(o, i, r); }
setRadioSize(RenderStyle * style)75     virtual void setRadioSize(RenderStyle* style) const
76     { return setCheckboxSize(style); }
77 
78     virtual bool paintButton(RenderObject*, const PaintInfo&, const IntRect&);
79 
80     virtual void adjustInnerSpinButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
81     virtual bool paintInnerSpinButton(RenderObject*, const PaintInfo&, const IntRect&);
82 
83     virtual bool paintTextField(RenderObject*, const PaintInfo&, const IntRect&);
84 
paintTextArea(RenderObject * o,const PaintInfo & i,const IntRect & r)85     virtual bool paintTextArea(RenderObject* o, const PaintInfo& i, const IntRect& r)
86     { return paintTextField(o, i, r); }
87 
88     virtual void adjustMenuListStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const;
89     virtual bool paintMenuList(RenderObject*, const PaintInfo&, const IntRect&);
90     virtual void adjustMenuListButtonStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const;
91 
92     virtual bool paintMenuListButton(RenderObject*, const PaintInfo&, const IntRect&);
93 
94     virtual bool paintSliderTrack(RenderObject* o, const PaintInfo& i, const IntRect& r);
95     virtual bool paintSliderThumb(RenderObject* o, const PaintInfo& i, const IntRect& r);
96     virtual void adjustSliderThumbSize(RenderObject*) const;
97 
popupOptionSupportsTextIndent()98     virtual bool popupOptionSupportsTextIndent() const { return true; }
99 
100     virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
101     virtual bool paintSearchField(RenderObject*, const PaintInfo&, const IntRect&);
102 
103     virtual void adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
104     virtual bool paintSearchFieldCancelButton(RenderObject*, const PaintInfo&, const IntRect&);
105 
106     virtual void adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
paintSearchFieldDecoration(RenderObject *,const PaintInfo &,const IntRect &)107     virtual bool paintSearchFieldDecoration(RenderObject*, const PaintInfo&, const IntRect&) { return false; }
108 
109     virtual void adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
110     virtual bool paintSearchFieldResultsDecoration(RenderObject*, const PaintInfo&, const IntRect&);
111 
112     virtual void adjustSearchFieldResultsButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
113     virtual bool paintSearchFieldResultsButton(RenderObject*, const PaintInfo&, const IntRect&);
114 
115     virtual void themeChanged();
116 
adjustButtonStyle(CSSStyleSelector *,RenderStyle * style,Element *)117     virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle* style, Element*) const {}
adjustTextFieldStyle(CSSStyleSelector *,RenderStyle * style,Element *)118     virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle* style, Element*) const {}
adjustTextAreaStyle(CSSStyleSelector *,RenderStyle * style,Element *)119     virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle* style, Element*) const {}
120 
121     static void setWebKitIsBeingUnloaded();
122 
123     virtual bool supportsFocusRing(const RenderStyle*) const;
124 
125 #if ENABLE(VIDEO)
126     virtual String extraMediaControlsStyleSheet();
127     virtual bool supportsClosedCaptioning() const;
128     virtual bool paintMediaControlsBackground(RenderObject*, const PaintInfo&, const IntRect&);
129     virtual bool paintMediaFullscreenButton(RenderObject*, const PaintInfo&, const IntRect&);
130     virtual bool paintMediaMuteButton(RenderObject*, const PaintInfo&, const IntRect&);
131     virtual bool paintMediaPlayButton(RenderObject*, const PaintInfo&, const IntRect&);
132     virtual bool paintMediaRewindButton(RenderObject*, const PaintInfo&, const IntRect&);
133     virtual bool paintMediaSeekBackButton(RenderObject*, const PaintInfo&, const IntRect&);
134     virtual bool paintMediaSeekForwardButton(RenderObject*, const PaintInfo&, const IntRect&);
135     virtual bool paintMediaSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
136     virtual bool paintMediaSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
137     virtual bool paintMediaToggleClosedCaptionsButton(RenderObject*, const PaintInfo&, const IntRect&);
138     virtual bool paintMediaVolumeSliderContainer(RenderObject*, const PaintInfo&, const IntRect&);
139     virtual bool paintMediaVolumeSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
140     virtual bool paintMediaVolumeSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
141     virtual IntPoint volumeSliderOffsetFromMuteButton(RenderBox*, const IntSize&) const;
142 #endif
143 
144 private:
145     enum ControlSubPart {
146         None,
147         SpinButtonDown,
148         SpinButtonUp,
149     };
150 
151     RenderThemeWin();
152     ~RenderThemeWin();
153 
154     void addIntrinsicMargins(RenderStyle*) const;
155     void close();
156 
157     unsigned determineState(RenderObject*);
158     unsigned determineClassicState(RenderObject*, ControlSubPart = None);
159     unsigned determineSliderThumbState(RenderObject*);
160     unsigned determineButtonState(RenderObject*);
161     unsigned determineSpinButtonState(RenderObject*, ControlSubPart = None);
162 
163     bool supportsFocus(ControlPart) const;
164 
165     ThemeData getThemeData(RenderObject*, ControlSubPart = None);
166     ThemeData getClassicThemeData(RenderObject* o, ControlSubPart = None);
167 
168     HANDLE buttonTheme() const;
169     HANDLE textFieldTheme() const;
170     HANDLE menuListTheme() const;
171     HANDLE sliderTheme() const;
172     HANDLE spinButtonTheme() const;
173 
174     mutable HANDLE m_buttonTheme;
175     mutable HANDLE m_textFieldTheme;
176     mutable HANDLE m_menuListTheme;
177     mutable HANDLE m_sliderTheme;
178     mutable HANDLE m_spinButtonTheme;
179 };
180 
181 };
182 
183 #endif
184