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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 RenderObject::PaintInfo & i,const IntRect & r)69     virtual bool paintCheckbox(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
70     { return paintButton(o, i, r); }
71     virtual void setCheckboxSize(RenderStyle*) const;
72 
paintRadio(RenderObject * o,const RenderObject::PaintInfo & i,const IntRect & r)73     virtual bool paintRadio(RenderObject* o, const RenderObject::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 RenderObject::PaintInfo&, const IntRect&);
79 
80     virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
81 
paintTextArea(RenderObject * o,const RenderObject::PaintInfo & i,const IntRect & r)82     virtual bool paintTextArea(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
83     { return paintTextField(o, i, r); }
84 
85     virtual void adjustMenuListStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const;
86     virtual bool paintMenuList(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
87     virtual void adjustMenuListButtonStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const;
88 
89     virtual bool paintMenuListButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
90 
91     virtual bool paintSliderTrack(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r);
92     virtual bool paintSliderThumb(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r);
93     virtual void adjustSliderThumbSize(RenderObject*) const;
94 
popupOptionSupportsTextIndent()95     virtual bool popupOptionSupportsTextIndent() const { return true; }
96 
97     virtual int buttonInternalPaddingLeft() const;
98     virtual int buttonInternalPaddingRight() const;
99     virtual int buttonInternalPaddingTop() const;
100     virtual int buttonInternalPaddingBottom() const;
101 
102     virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
103     virtual bool paintSearchField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
104 
105     virtual void adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
106     virtual bool paintSearchFieldCancelButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
107 
108     virtual void adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
paintSearchFieldDecoration(RenderObject *,const RenderObject::PaintInfo &,const IntRect &)109     virtual bool paintSearchFieldDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&) { return false; }
110 
111     virtual void adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
112     virtual bool paintSearchFieldResultsDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
113 
114     virtual void adjustSearchFieldResultsButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
115     virtual bool paintSearchFieldResultsButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
116 
117     virtual void themeChanged();
118 
adjustButtonStyle(CSSStyleSelector *,RenderStyle * style,Element *)119     virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle* style, Element*) const {}
adjustTextFieldStyle(CSSStyleSelector *,RenderStyle * style,Element *)120     virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle* style, Element*) const {}
adjustTextAreaStyle(CSSStyleSelector *,RenderStyle * style,Element *)121     virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle* style, Element*) const {}
122 
123     static void setWebKitIsBeingUnloaded();
124 
125     virtual bool supportsFocusRing(const RenderStyle*) const;
126 
127 #if ENABLE(VIDEO)
128     virtual bool shouldRenderMediaControlPart(ControlPart, Element*);
129     virtual bool paintMediaFullscreenButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
130     virtual bool paintMediaPlayButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
131     virtual bool paintMediaMuteButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
132     virtual bool paintMediaSeekBackButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
133     virtual bool paintMediaSeekForwardButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
134     virtual bool paintMediaSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
135     virtual bool paintMediaSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
136     virtual bool paintMediaToggleClosedCaptionsButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
137 #endif
138 
139 private:
140     RenderThemeWin();
141     ~RenderThemeWin();
142 
143     void addIntrinsicMargins(RenderStyle*) const;
144     void close();
145 
146     unsigned determineState(RenderObject*);
147     unsigned determineClassicState(RenderObject*);
148     unsigned determineSliderThumbState(RenderObject*);
149     unsigned determineButtonState(RenderObject*);
150 
151     bool supportsFocus(ControlPart) const;
152 
153     ThemeData getThemeData(RenderObject*);
154     ThemeData getClassicThemeData(RenderObject* o);
155 
156     HANDLE buttonTheme() const;
157     HANDLE textFieldTheme() const;
158     HANDLE menuListTheme() const;
159     HANDLE sliderTheme() const;
160 
161     mutable HANDLE m_buttonTheme;
162     mutable HANDLE m_textFieldTheme;
163     mutable HANDLE m_menuListTheme;
164     mutable HANDLE m_sliderTheme;
165 };
166 
167 };
168 
169 #endif
170