WebCore/RenderThemeChromiumMac.h

   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
  34 class WebCoreRenderThemeNotificationObserver;
  35 #endif
  36
  37 namespace WebCore {
  38
  39     class RenderStyle;
  40
  41     class RenderThemeChromiumMac : public RenderTheme {
  42     public:
  43         RenderThemeChromiumMac();
  44         virtual ~RenderThemeChromiumMac();
  45
  46         // A method to obtain the baseline position for a "leaf" control.  This will only be used if a baseline
  47         // position cannot be determined by examining child content. Checkboxes and radio buttons are examples of
  48         // controls that need to do this.
  49         virtual int baselinePosition(const RenderObject*) const;
  50
  51         // A method asking if the control changes its tint when the window has focus or not.
  52         virtual bool controlSupportsTints(const RenderObject*) const;
  53
  54         // A general method asking if any control tinting is supported at all.
  55         virtual bool supportsControlTints() const { return true; }
  56
  57         virtual void adjustRepaintRect(const RenderObject*, IntRect&);
  58
  59         virtual bool isControlStyled(const RenderStyle*, const BorderData&,
  60                                      const FillLayer&, const Color& backgroundColor) const;
  61
  62         virtual Color platformActiveSelectionBackgroundColor() const;
  63         virtual Color platformInactiveSelectionBackgroundColor() const;
  64         virtual Color activeListBoxSelectionBackgroundColor() const;
  65
  66         virtual void platformColorsDidChange();
  67
  68         // System fonts.
  69         virtual void systemFont(int cssValueId, Document*, FontDescription&) const;
  70
  71         virtual int minimumMenuListSize(RenderStyle*) const;
  72
  73         virtual void adjustSliderThumbSize(RenderObject*) const;
  74
  75         virtual int popupInternalPaddingLeft(RenderStyle*) const;
  76         virtual int popupInternalPaddingRight(RenderStyle*) const;
  77         virtual int popupInternalPaddingTop(RenderStyle*) const;
  78         virtual int popupInternalPaddingBottom(RenderStyle*) const;
  79
  80         virtual bool paintCapsLockIndicator(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  81
  82         virtual Color systemColor(int cssValueId) const;
  83
  84     protected:
  85         // Methods for each appearance value.
  86         virtual bool paintCheckbox(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  87         virtual void setCheckboxSize(RenderStyle*) const;
  88
  89         virtual bool paintRadio(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  90         virtual void setRadioSize(RenderStyle*) const;
  91
  92         virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, WebCore::Element*) const;
  93         virtual bool paintButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  94         virtual void setButtonSize(RenderStyle*) const;
  95
  96         virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  97         virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
  98
  99         virtual bool paintTextArea(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 100         virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 101
 102         virtual bool paintMenuList(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 103         virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 104
 105         virtual bool paintMenuListButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 106         virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 107
 108         virtual bool paintSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 109         virtual void adjustSliderTrackStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 110
 111         virtual bool paintSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 112         virtual void adjustSliderThumbStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 113
 114         virtual bool paintSearchField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 115         virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 116
 117         virtual void adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 118         virtual bool paintSearchFieldCancelButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 119
 120         virtual void adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 121         virtual bool paintSearchFieldDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 122
 123         virtual void adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 124         virtual bool paintSearchFieldResultsDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 125
 126         virtual void adjustSearchFieldResultsButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
 127         virtual bool paintSearchFieldResultsButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 128
 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
 137     private:
 138         IntRect inflateRect(const IntRect&, const IntSize&, const int* margins, float zoomLevel = 1.0f) const;
 139
 140         // Get the control size based off the font.  Used by some of the controls (like buttons).
 141         NSControlSize controlSizeForFont(RenderStyle*) const;
 142         NSControlSize controlSizeForSystemFont(RenderStyle*) const;
 143         void setControlSize(NSCell*, const IntSize* sizes, const IntSize& minSize, float zoomLevel = 1.0f);
 144         void setSizeFromFont(RenderStyle*, const IntSize* sizes) const;
 145         IntSize sizeForFont(RenderStyle*, const IntSize* sizes) const;
 146         IntSize sizeForSystemFont(RenderStyle*, const IntSize* sizes) const;
 147         void setFontFromControlSize(CSSStyleSelector*, RenderStyle*, NSControlSize) const;
 148
 149         void updateCheckedState(NSCell*, const RenderObject*);
 150         void updateEnabledState(NSCell*, const RenderObject*);
 151         void updateFocusedState(NSCell*, const RenderObject*);
 152         void updatePressedState(NSCell*, const RenderObject*);
 153
 154         // Helpers for adjusting appearance and for painting
 155         const IntSize* checkboxSizes() const;
 156         const int* checkboxMargins() const;
 157         void setCheckboxCellState(const RenderObject*, const IntRect&);
 158
 159         const IntSize* radioSizes() const;
 160         const int* radioMargins() const;
 161         void setRadioCellState(const RenderObject*, const IntRect&);
 162
 163         void setButtonPaddingFromControlSize(RenderStyle*, NSControlSize) const;
 164         const IntSize* buttonSizes() const;
 165         const int* buttonMargins() const;
 166         void setButtonCellState(const RenderObject*, const IntRect&);
 167
 168         void setPopupButtonCellState(const RenderObject*, const IntRect&);
 169         const IntSize* popupButtonSizes() const;
 170         const int* popupButtonMargins() const;
 171         const int* popupButtonPadding(NSControlSize) const;
 172         void paintMenuListButtonGradients(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
 173         const IntSize* menuListSizes() const;
 174
 175         const IntSize* searchFieldSizes() const;
 176         const IntSize* cancelButtonSizes() const;
 177         const IntSize* resultsButtonSizes() const;
 178         void setSearchCellState(RenderObject*, const IntRect&);
 179         void setSearchFieldSize(RenderStyle*) const;
 180
 181         NSButtonCell* checkbox() const;
 182         NSButtonCell* radio() const;
 183         NSButtonCell* button() const;
 184         NSPopUpButtonCell* popupButton() const;
 185         NSSearchFieldCell* search() const;
 186         NSMenu* searchMenuTemplate() const;
 187         NSSliderCell* sliderThumbHorizontal() const;
 188         NSSliderCell* sliderThumbVertical() const;
 189
 190     private:
 191         mutable RetainPtr<NSButtonCell> m_checkbox;
 192         mutable RetainPtr<NSButtonCell> m_radio;
 193         mutable RetainPtr<NSButtonCell> m_button;
 194         mutable RetainPtr<NSPopUpButtonCell> m_popupButton;
 195         mutable RetainPtr<NSSearchFieldCell> m_search;
 196         mutable RetainPtr<NSMenu> m_searchMenuTemplate;
 197         mutable RetainPtr<NSSliderCell> m_sliderThumbHorizontal;
 198         mutable RetainPtr<NSSliderCell> m_sliderThumbVertical;
 199
 200         bool m_isSliderThumbHorizontalPressed;
 201         bool m_isSliderThumbVerticalPressed;
 202
 203         mutable HashMap<int, RGBA32> m_systemColorCache;
 204
 205         RetainPtr<WebCoreRenderThemeNotificationObserver> m_notificationObserver;
 206     };
 207
 208 } // namespace WebCore
 209
 210 #endif