Source/WebCore/rendering/RenderThemeChromiumLinux.cpp

   1 /*
   2  * Copyright (C) 2007 Apple Inc.
   3  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
   4  * Copyright (C) 2008 Collabora Ltd.
   5  * Copyright (C) 2008, 2009 Google Inc.
   6  * Copyright (C) 2009 Kenneth Rohde Christiansen
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Library General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Library General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Library General Public License
  19  * along with this library; see the file COPYING.LIB.  If not, write to
  20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21  * Boston, MA 02110-1301, USA.
  22  *
  23  */
  24
  25 #include "config.h"
  26 #include "RenderThemeChromiumLinux.h"
  27
  28 #include "CSSValueKeywords.h"
  29 #include "Color.h"
  30 #include "PaintInfo.h"
  31 #include "PlatformSupport.h"
  32 #include "RenderObject.h"
  33 #include "RenderProgress.h"
  34 #include "RenderSlider.h"
  35 #include "ScrollbarTheme.h"
  36 #include "UserAgentStyleSheets.h"
  37
  38 namespace WebCore {
  39
  40 unsigned RenderThemeChromiumLinux::m_activeSelectionBackgroundColor =
  41     0xff1e90ff;
  42 unsigned RenderThemeChromiumLinux::m_activeSelectionForegroundColor =
  43     Color::black;
  44 unsigned RenderThemeChromiumLinux::m_inactiveSelectionBackgroundColor =
  45     0xffc8c8c8;
  46 unsigned RenderThemeChromiumLinux::m_inactiveSelectionForegroundColor =
  47     0xff323232;
  48
  49 double RenderThemeChromiumLinux::m_caretBlinkInterval;
  50
  51 static const unsigned defaultButtonBackgroundColor = 0xffdddddd;
  52
  53 static PlatformSupport::ThemePaintState getWebThemeState(const RenderTheme* theme, const RenderObject* o)
  54 {
  55     if (!theme->isEnabled(o))
  56         return PlatformSupport::StateDisabled;
  57     if (theme->isPressed(o))
  58         return PlatformSupport::StatePressed;
  59     if (theme->isHovered(o))
  60         return PlatformSupport::StateHover;
  61
  62     return PlatformSupport::StateNormal;
  63 }
  64
  65
  66 PassRefPtr<RenderTheme> RenderThemeChromiumLinux::create()
  67 {
  68     return adoptRef(new RenderThemeChromiumLinux());
  69 }
  70
  71 // RenderTheme::themeForPage for Android is defined in RenderThemeChromiumAndroid.cpp.
  72 #if !OS(ANDROID)
  73 PassRefPtr<RenderTheme> RenderTheme::themeForPage(Page* page)
  74 {
  75     static RenderTheme* rt = RenderThemeChromiumLinux::create().leakRef();
  76     return rt;
  77 }
  78 #endif
  79
  80 RenderThemeChromiumLinux::RenderThemeChromiumLinux()
  81 {
  82     m_caretBlinkInterval = RenderTheme::caretBlinkInterval();
  83 }
  84
  85 RenderThemeChromiumLinux::~RenderThemeChromiumLinux()
  86 {
  87 }
  88
  89 Color RenderThemeChromiumLinux::systemColor(int cssValueId) const
  90 {
  91     static const Color linuxButtonGrayColor(0xffdddddd);
  92
  93     if (cssValueId == CSSValueButtonface)
  94         return linuxButtonGrayColor;
  95     return RenderTheme::systemColor(cssValueId);
  96 }
  97
  98 String RenderThemeChromiumLinux::extraDefaultStyleSheet()
  99 {
 100     return RenderThemeChromiumSkia::extraDefaultStyleSheet() +
 101            String(themeChromiumLinuxUserAgentStyleSheet, sizeof(themeChromiumLinuxUserAgentStyleSheet));
 102 }
 103
 104 bool RenderThemeChromiumLinux::controlSupportsTints(const RenderObject* o) const
 105 {
 106     return isEnabled(o);
 107 }
 108
 109 Color RenderThemeChromiumLinux::activeListBoxSelectionBackgroundColor() const
 110 {
 111     return Color(0x28, 0x28, 0x28);
 112 }
 113
 114 Color RenderThemeChromiumLinux::activeListBoxSelectionForegroundColor() const
 115 {
 116     return Color::black;
 117 }
 118
 119 Color RenderThemeChromiumLinux::inactiveListBoxSelectionBackgroundColor() const
 120 {
 121     return Color(0xc8, 0xc8, 0xc8);
 122 }
 123
 124 Color RenderThemeChromiumLinux::inactiveListBoxSelectionForegroundColor() const
 125 {
 126     return Color(0x32, 0x32, 0x32);
 127 }
 128
 129 Color RenderThemeChromiumLinux::platformActiveSelectionBackgroundColor() const
 130 {
 131     return m_activeSelectionBackgroundColor;
 132 }
 133
 134 Color RenderThemeChromiumLinux::platformInactiveSelectionBackgroundColor() const
 135 {
 136     return m_inactiveSelectionBackgroundColor;
 137 }
 138
 139 Color RenderThemeChromiumLinux::platformActiveSelectionForegroundColor() const
 140 {
 141     return m_activeSelectionForegroundColor;
 142 }
 143
 144 Color RenderThemeChromiumLinux::platformInactiveSelectionForegroundColor() const
 145 {
 146     return m_inactiveSelectionForegroundColor;
 147 }
 148
 149 #if ENABLE(DATALIST_ELEMENT)
 150 IntSize RenderThemeChromiumLinux::sliderTickSize() const
 151 {
 152     return IntSize(1, 6);
 153 }
 154
 155 int RenderThemeChromiumLinux::sliderTickOffsetFromTrackCenter() const
 156 {
 157     return -16;
 158 }
 159 #endif
 160
 161 void RenderThemeChromiumLinux::adjustSliderThumbSize(RenderStyle* style, Element* element) const
 162 {
 163     IntSize size = PlatformSupport::getThemePartSize(PlatformSupport::PartSliderThumb);
 164
 165     if (style->appearance() == SliderThumbHorizontalPart) {
 166         style->setWidth(Length(size.width(), Fixed));
 167         style->setHeight(Length(size.height(), Fixed));
 168     } else if (style->appearance() == SliderThumbVerticalPart) {
 169         style->setWidth(Length(size.height(), Fixed));
 170         style->setHeight(Length(size.width(), Fixed));
 171     } else
 172         RenderThemeChromiumSkia::adjustSliderThumbSize(style, element);
 173 }
 174
 175 bool RenderThemeChromiumLinux::supportsControlTints() const
 176 {
 177     return true;
 178 }
 179
 180 void RenderThemeChromiumLinux::setCaretBlinkInterval(double interval)
 181 {
 182     m_caretBlinkInterval = interval;
 183 }
 184
 185 double RenderThemeChromiumLinux::caretBlinkIntervalInternal() const
 186 {
 187     return m_caretBlinkInterval;
 188 }
 189
 190 void RenderThemeChromiumLinux::setSelectionColors(
 191     unsigned activeBackgroundColor,
 192     unsigned activeForegroundColor,
 193     unsigned inactiveBackgroundColor,
 194     unsigned inactiveForegroundColor)
 195 {
 196     m_activeSelectionBackgroundColor = activeBackgroundColor;
 197     m_activeSelectionForegroundColor = activeForegroundColor;
 198     m_inactiveSelectionBackgroundColor = inactiveBackgroundColor;
 199     m_inactiveSelectionForegroundColor = inactiveForegroundColor;
 200 }
 201
 202 bool RenderThemeChromiumLinux::paintCheckbox(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 203 {
 204     PlatformSupport::ThemePaintExtraParams extraParams;
 205     extraParams.button.checked = isChecked(o);
 206     extraParams.button.indeterminate = isIndeterminate(o);
 207
 208     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartCheckbox, getWebThemeState(this, o), rect, &extraParams);
 209     return false;
 210 }
 211
 212 void RenderThemeChromiumLinux::setCheckboxSize(RenderStyle* style) const
 213 {
 214     // If the width and height are both specified, then we have nothing to do.
 215     if (!style->width().isIntrinsicOrAuto() && !style->height().isAuto())
 216         return;
 217
 218     IntSize size = PlatformSupport::getThemePartSize(PlatformSupport::PartCheckbox);
 219     setSizeIfAuto(style, size);
 220 }
 221
 222 bool RenderThemeChromiumLinux::paintRadio(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 223 {
 224     PlatformSupport::ThemePaintExtraParams extraParams;
 225     extraParams.button.checked = isChecked(o);
 226
 227     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartRadio, getWebThemeState(this, o), rect, &extraParams);
 228     return false;
 229 }
 230
 231 void RenderThemeChromiumLinux::setRadioSize(RenderStyle* style) const
 232 {
 233     // If the width and height are both specified, then we have nothing to do.
 234     if (!style->width().isIntrinsicOrAuto() && !style->height().isAuto())
 235         return;
 236
 237     IntSize size = PlatformSupport::getThemePartSize(PlatformSupport::PartRadio);
 238     setSizeIfAuto(style, size);
 239 }
 240
 241 bool RenderThemeChromiumLinux::paintButton(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 242 {
 243     PlatformSupport::ThemePaintExtraParams extraParams;
 244     extraParams.button.isDefault = isDefault(o);
 245     extraParams.button.hasBorder = true;
 246     extraParams.button.backgroundColor = defaultButtonBackgroundColor;
 247     if (o->hasBackground())
 248         extraParams.button.backgroundColor = o->style()->visitedDependentColor(CSSPropertyBackgroundColor).rgb();
 249
 250     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartButton, getWebThemeState(this, o), rect, &extraParams);
 251     return false;
 252 }
 253
 254 bool RenderThemeChromiumLinux::paintTextField(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 255 {
 256     // WebThemeEngine does not handle border rounded corner and background image
 257     // so return true to draw CSS border and background.
 258     if (o->style()->hasBorderRadius() || o->style()->hasBackgroundImage())
 259         return true;
 260
 261     ControlPart part = o->style()->appearance();
 262
 263     PlatformSupport::ThemePaintExtraParams extraParams;
 264     extraParams.textField.isTextArea = part == TextAreaPart;
 265     extraParams.textField.isListbox = part == ListboxPart;
 266
 267     // Fallback to white if the specified color object is invalid.
 268     Color backgroundColor(Color::white);
 269     if (o->style()->visitedDependentColor(CSSPropertyBackgroundColor).isValid())
 270         backgroundColor = o->style()->visitedDependentColor(CSSPropertyBackgroundColor);
 271     extraParams.textField.backgroundColor = backgroundColor.rgb();
 272
 273     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartTextField, getWebThemeState(this, o), rect, &extraParams);
 274     return false;
 275 }
 276
 277 bool RenderThemeChromiumLinux::paintMenuList(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 278 {
 279     if (!o->isBox())
 280         return false;
 281
 282     const int right = rect.x() + rect.width();
 283     const int middle = rect.y() + rect.height() / 2;
 284
 285     PlatformSupport::ThemePaintExtraParams extraParams;
 286     extraParams.menuList.arrowX = (o->style()->direction() == RTL) ? rect.x() + 7 : right - 13;
 287     extraParams.menuList.arrowY = middle;
 288     const RenderBox* box = toRenderBox(o);
 289     // Match Chromium Win behaviour of showing all borders if any are shown.
 290     extraParams.menuList.hasBorder = box->borderRight() || box->borderLeft() || box->borderTop() || box->borderBottom();
 291     extraParams.menuList.hasBorderRadius = o->style()->hasBorderRadius();
 292     // Fallback to transparent if the specified color object is invalid.
 293     extraParams.menuList.backgroundColor = Color::transparent;
 294     if (o->hasBackground())
 295         extraParams.menuList.backgroundColor = o->style()->visitedDependentColor(CSSPropertyBackgroundColor).rgb();
 296
 297     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartMenuList, getWebThemeState(this, o), rect, &extraParams);
 298     return false;
 299 }
 300
 301 bool RenderThemeChromiumLinux::paintSliderTrack(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 302 {
 303     PlatformSupport::ThemePaintExtraParams extraParams;
 304     extraParams.slider.vertical = o->style()->appearance() == SliderVerticalPart;
 305
 306     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartSliderTrack, getWebThemeState(this, o), rect, &extraParams);
 307
 308 #if ENABLE(DATALIST_ELEMENT)
 309     paintSliderTicks(o, i, rect);
 310 #endif
 311
 312     return false;
 313 }
 314
 315 bool RenderThemeChromiumLinux::paintSliderThumb(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 316 {
 317     PlatformSupport::ThemePaintExtraParams extraParams;
 318     extraParams.slider.vertical = o->style()->appearance() == SliderThumbVerticalPart;
 319     extraParams.slider.inDrag = isPressed(o);
 320
 321     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartSliderThumb, getWebThemeState(this, o), rect, &extraParams);
 322     return false;
 323 }
 324
 325 void RenderThemeChromiumLinux::adjustInnerSpinButtonStyle(StyleResolver*, RenderStyle* style, Element*) const
 326 {
 327     IntSize size = PlatformSupport::getThemePartSize(PlatformSupport::PartInnerSpinButton);
 328
 329     style->setWidth(Length(size.width(), Fixed));
 330     style->setMinWidth(Length(size.width(), Fixed));
 331 }
 332
 333 bool RenderThemeChromiumLinux::paintInnerSpinButton(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 334 {
 335     PlatformSupport::ThemePaintExtraParams extraParams;
 336     extraParams.innerSpin.spinUp = (controlStatesForRenderer(o) & SpinUpState);
 337     extraParams.innerSpin.readOnly = isReadOnlyControl(o);
 338
 339     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartInnerSpinButton, getWebThemeState(this, o), rect, &extraParams);
 340     return false;
 341 }
 342
 343 #if ENABLE(PROGRESS_ELEMENT)
 344
 345 bool RenderThemeChromiumLinux::paintProgressBar(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 346 {
 347     if (!o->isProgress())
 348         return true;
 349
 350     RenderProgress* renderProgress = toRenderProgress(o);
 351     IntRect valueRect = progressValueRectFor(renderProgress, rect);
 352
 353     PlatformSupport::ThemePaintExtraParams extraParams;
 354     extraParams.progressBar.determinate = renderProgress->isDeterminate();
 355     extraParams.progressBar.valueRectX = valueRect.x();
 356     extraParams.progressBar.valueRectY = valueRect.y();
 357     extraParams.progressBar.valueRectWidth = valueRect.width();
 358     extraParams.progressBar.valueRectHeight = valueRect.height();
 359
 360     DirectionFlippingScope scope(o, i, rect);
 361     PlatformSupport::paintThemePart(i.context, PlatformSupport::PartProgressBar, getWebThemeState(this, o), rect, &extraParams);
 362     return false;
 363 }
 364
 365 #endif
 366
 367 } // namespace WebCore