WebCore/platform/android/RenderThemeAndroid.h

   1 /*
   2  * Copyright 2006, The Android Open Source Project
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *  * Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  *  * Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef RenderThemeAndroid_h
  27 #define RenderThemeAndroid_h
  28
  29 #include "RenderTheme.h"
  30
  31 namespace WebCore {
  32
  33 class RenderSkinButton;
  34 class RenderSkinRadio;
  35 class RenderSkinCombo;
  36
  37 struct ThemeData {
  38     ThemeData()
  39         : m_part(0)
  40         , m_state(0)
  41     {
  42     }
  43
  44     unsigned m_part;
  45     unsigned m_state;
  46 };
  47
  48 class RenderThemeAndroid : public RenderTheme {
  49 public:
  50     static PassRefPtr<RenderTheme> create();
  51     ~RenderThemeAndroid();
  52
  53     virtual bool stateChanged(RenderObject*, ControlState) const;
  54
  55     virtual bool supportsFocusRing(const RenderStyle*) const;
  56     // A method asking if the theme's controls actually care about redrawing when hovered.
  57     virtual bool supportsHover(const RenderStyle* style) const { return style->affectedByHoverRules(); }
  58
  59     virtual int baselinePosition(const RenderObject*) const;
  60
  61     virtual Color platformActiveSelectionBackgroundColor() const;
  62     virtual Color platformInactiveSelectionBackgroundColor() const;
  63     virtual Color platformActiveSelectionForegroundColor() const;
  64     virtual Color platformInactiveSelectionForegroundColor() const;
  65     virtual Color platformTextSearchHighlightColor() const;
  66
  67     virtual Color platformActiveListBoxSelectionBackgroundColor() const;
  68     virtual Color platformInactiveListBoxSelectionBackgroundColor() const;
  69     virtual Color platformActiveListBoxSelectionForegroundColor() const;
  70     virtual Color platformInactiveListBoxSelectionForegroundColor() const;
  71
  72     virtual void systemFont(int, WebCore::FontDescription&) const {}
  73
  74     virtual int minimumMenuListSize(RenderStyle*) const { return 0; }
  75
  76 protected:
  77     virtual bool paintCheckbox(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  78     virtual void setCheckboxSize(RenderStyle*) const;
  79
  80     virtual bool paintRadio(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  81     virtual void setRadioSize(RenderStyle*) const;
  82
  83     virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
  84     virtual bool paintButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  85
  86     virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
  87     virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  88
  89     virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
  90     virtual bool paintTextArea(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  91
  92     bool paintCombo(RenderObject*, const RenderObject::PaintInfo&,  const IntRect&);
  93
  94     virtual void adjustListboxStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
  95     virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
  96     virtual bool paintMenuList(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  97
  98     virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
  99     virtual bool paintMenuListButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 100
 101     virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 102     virtual bool paintSearchField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 103
 104 private:
 105     RenderThemeAndroid();
 106     void addIntrinsicMargins(RenderStyle*) const;
 107     void close();
 108
 109     bool supportsFocus(ControlPart);
 110     friend RenderTheme* theme();
 111 };
 112
 113 } // namespace WebCore
 114
 115 #endif // RenderThemeAndroid_h
 116