Home | History | Annotate | Download | only in rendering
      1 /*
      2  * This file is part of the WebKit project.
      3  *
      4  * Copyright (C) 2006 Apple Computer, Inc.
      5  * Copyright (C) 2006 Michael Emmel mike.emmel (at) gmail.com
      6  * Copyright (C) 2007 Holger Hans Peter Freyther
      7  * Copyright (C) 2007 Alp Toker <alp (at) atoker.com>
      8  * Copyright (C) 2008, 2009 Google, Inc.
      9  * All rights reserved.
     10  *
     11  * This library is free software; you can redistribute it and/or
     12  * modify it under the terms of the GNU Library General Public
     13  * License as published by the Free Software Foundation; either
     14  * version 2 of the License, or (at your option) any later version.
     15  *
     16  * This library is distributed in the hope that it will be useful,
     17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     19  * Library General Public License for more details.
     20  *
     21  * You should have received a copy of the GNU Library General Public License
     22  * along with this library; see the file COPYING.LIB.  If not, write to
     23  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     24  * Boston, MA 02110-1301, USA.
     25  *
     26  */
     27 
     28 #ifndef RenderThemeChromiumSkia_h
     29 #define RenderThemeChromiumSkia_h
     30 
     31 #include "RenderTheme.h"
     32 
     33 namespace WebCore {
     34 
     35 class RenderProgress;
     36 
     37 class RenderThemeChromiumSkia : public RenderTheme {
     38     public:
     39         RenderThemeChromiumSkia();
     40         virtual ~RenderThemeChromiumSkia();
     41 
     42         virtual String extraDefaultStyleSheet();
     43         virtual String extraQuirksStyleSheet();
     44 #if ENABLE(VIDEO)
     45         virtual String extraMediaControlsStyleSheet();
     46 #endif
     47 
     48         // A method asking if the theme's controls actually care about redrawing when hovered.
     49         virtual bool supportsHover(const RenderStyle*) const;
     50 
     51         // A method asking if the theme is able to draw the focus ring.
     52         virtual bool supportsFocusRing(const RenderStyle*) const;
     53 
     54         // The platform selection color.
     55         virtual Color platformActiveSelectionBackgroundColor() const;
     56         virtual Color platformInactiveSelectionBackgroundColor() const;
     57         virtual Color platformActiveSelectionForegroundColor() const;
     58         virtual Color platformInactiveSelectionForegroundColor() const;
     59         virtual Color platformFocusRingColor() const;
     60 
     61         // To change the blink interval, override caretBlinkIntervalInternal instead of this one so that we may share layout test code an intercepts.
     62         virtual double caretBlinkInterval() const;
     63 
     64         // System fonts.
     65         virtual void systemFont(int propId, FontDescription&) const;
     66 
     67         virtual int minimumMenuListSize(RenderStyle*) const;
     68 
     69         virtual void setCheckboxSize(RenderStyle*) const;
     70 
     71         virtual void setRadioSize(RenderStyle*) const;
     72 
     73         virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
     74 
     75         virtual bool paintTextArea(RenderObject*, const PaintInfo&, const IntRect&);
     76 
     77         virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
     78         virtual bool paintSearchField(RenderObject*, const PaintInfo&, const IntRect&);
     79 
     80         virtual void adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
     81         virtual bool paintSearchFieldCancelButton(RenderObject*, const PaintInfo&, const IntRect&);
     82 
     83         virtual void adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
     84 
     85         virtual void adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
     86         virtual bool paintSearchFieldResultsDecoration(RenderObject*, const PaintInfo&, const IntRect&);
     87 
     88         virtual void adjustSearchFieldResultsButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
     89         virtual bool paintSearchFieldResultsButton(RenderObject*, const PaintInfo&, const IntRect&);
     90 
     91         virtual bool paintMediaControlsBackground(RenderObject*, const PaintInfo&, const IntRect&);
     92         virtual bool paintMediaSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
     93         virtual bool paintMediaVolumeSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
     94         virtual void adjustSliderThumbSize(RenderObject*) const;
     95         virtual bool paintMediaSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
     96         virtual bool paintMediaVolumeSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
     97         virtual bool paintMediaPlayButton(RenderObject*, const PaintInfo&, const IntRect&);
     98         virtual bool paintMediaMuteButton(RenderObject*, const PaintInfo&, const IntRect&);
     99 
    100         // MenuList refers to an unstyled menulist (meaning a menulist without
    101         // background-color or border set) and MenuListButton refers to a styled
    102         // menulist (a menulist with background-color or border set). They have
    103         // this distinction to support showing aqua style themes whenever they
    104         // possibly can, which is something we don't want to replicate.
    105         //
    106         // In short, we either go down the MenuList code path or the MenuListButton
    107         // codepath. We never go down both. And in both cases, they render the
    108         // entire menulist.
    109         virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
    110         virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
    111         virtual bool paintMenuListButton(RenderObject*, const PaintInfo&, const IntRect&);
    112 
    113 #if ENABLE(PROGRESS_TAG)
    114         virtual double animationRepeatIntervalForProgressBar(RenderProgress*) const;
    115         virtual double animationDurationForProgressBar(RenderProgress*) const;
    116 #endif
    117 
    118         // These methods define the padding for the MenuList's inner block.
    119         virtual int popupInternalPaddingLeft(RenderStyle*) const;
    120         virtual int popupInternalPaddingRight(RenderStyle*) const;
    121         virtual int popupInternalPaddingTop(RenderStyle*) const;
    122         virtual int popupInternalPaddingBottom(RenderStyle*) const;
    123 
    124 #if ENABLE(VIDEO)
    125         // Media controls
    126         virtual bool hasOwnDisabledStateHandlingFor(ControlPart) const { return true; }
    127 #endif
    128 
    129         // Provide a way to pass the default font size from the Settings object
    130         // to the render theme.  FIXME: http://b/1129186 A cleaner way would be
    131         // to remove the default font size from this object and have callers
    132         // that need the value to get it directly from the appropriate Settings
    133         // object.
    134         static void setDefaultFontSize(int);
    135 
    136     protected:
    137         static const String& defaultGUIFont();
    138 
    139         // The default variable-width font size.  We use this as the default font
    140         // size for the "system font", and as a base size (which we then shrink) for
    141         // form control fonts.
    142         static float defaultFontSize;
    143 
    144         virtual double caretBlinkIntervalInternal() const;
    145 
    146         static void setSizeIfAuto(RenderStyle*, const IntSize&);
    147 
    148 #if ENABLE(PROGRESS_TAG)
    149         IntRect determinateProgressValueRectFor(RenderProgress*, const IntRect&) const;
    150         IntRect indeterminateProgressValueRectFor(RenderProgress*, const IntRect&) const;
    151         IntRect progressValueRectFor(RenderProgress*, const IntRect&) const;
    152 #endif
    153 
    154     private:
    155         int menuListInternalPadding(RenderStyle*, int paddingType) const;
    156         bool paintMediaButtonInternal(GraphicsContext*, const IntRect&, Image*);
    157         IntRect convertToPaintingRect(RenderObject* inputRenderer, const RenderObject* partRenderer, IntRect partRect, const IntRect& localOffset) const;
    158     };
    159 
    160 } // namespace WebCore
    161 
    162 #endif // RenderThemeChromiumSkia_h
    163