static blink::WebThemeEngine::State getWebThemeState(const RenderTheme* theme, const RenderObject* o)
{
if (!theme->isEnabled(o))
return blink::WebThemeEngine::StateDisabled;
if (useMockTheme() && theme->isReadOnlyControl(o))
return blink::WebThemeEngine::StateReadonly;
if (theme->isPressed(o))
return blink::WebThemeEngine::StatePressed;
if (useMockTheme() && theme->isFocused(o))
return blink::WebThemeEngine::StateFocused;
if (theme->isHovered(o))
return blink::WebThemeEngine::StateHover;
return blink::WebThemeEngine::StateNormal;
}
bool ThemePainterDefault::paintSliderThumb(const LayoutObject& o,
const PaintInfo& i,
const IntRect& rect) {
WebThemeEngine::ExtraParams extraParams;
WebCanvas* canvas = i.context.canvas();
extraParams.slider.vertical =
o.styleRef().appearance() == SliderThumbVerticalPart;
extraParams.slider.inDrag = LayoutTheme::isPressed(o);
// FIXME: Mock theme doesn't handle zoomed sliders.
float zoomLevel = useMockTheme() ? 1 : o.styleRef().effectiveZoom();
GraphicsContextStateSaver stateSaver(i.context, false);
IntRect unzoomedRect = rect;
if (zoomLevel != 1) {
stateSaver.save();
unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
i.context.translate(unzoomedRect.x(), unzoomedRect.y());
i.context.scale(zoomLevel, zoomLevel);
i.context.translate(-unzoomedRect.x(), -unzoomedRect.y());
}
Platform::current()->themeEngine()->paint(
canvas, WebThemeEngine::PartSliderThumb, getWebThemeState(o),
WebRect(unzoomedRect), &extraParams);
return false;
}
bool RenderThemeChromiumDefault::paintMenuListButton(RenderObject* o, const PaintInfo& i, const IntRect& rect)
{
if (!o->isBox() || i.context->paintingDisabled())
return false;
const int right = rect.x() + rect.width();
const int middle = rect.y() + rect.height() / 2;
blink::WebThemeEngine::ExtraParams extraParams;
extraParams.menuList.arrowY = middle;
extraParams.menuList.hasBorder = false;
extraParams.menuList.hasBorderRadius = o->style()->hasBorderRadius();
extraParams.menuList.backgroundColor = Color::transparent;
extraParams.menuList.fillContentArea = false;
if (useMockTheme()) {
const RenderBox* box = toRenderBox(o);
// The size and position of the drop-down button is different between
// the mock theme and the regular aura theme.
int spacingTop = box->borderTop() + box->paddingTop();
int spacingBottom = box->borderBottom() + box->paddingBottom();
int spacingRight = box->borderRight() + box->paddingRight();
extraParams.menuList.arrowX = (o->style()->direction() == RTL) ? rect.x() + 4 + spacingRight: right - 13 - spacingRight;
extraParams.menuList.arrowHeight = rect.height() - spacingBottom - spacingTop;
} else {
extraParams.menuList.arrowX = (o->style()->direction() == RTL) ? rect.x() + 7 : right - 13;
}
blink::WebCanvas* canvas = i.context->canvas();
blink::Platform::current()->themeEngine()->paint(canvas, blink::WebThemeEngine::PartMenuList, getWebThemeState(this, o), blink::WebRect(rect), &extraParams);
return false;
}
void ScrollbarThemeAura::paintTrackPiece(GraphicsContext& gc,
const Scrollbar& scrollbar,
const IntRect& rect,
ScrollbarPart partType) {
DisplayItem::Type displayItemType = trackPiecePartToDisplayItemType(partType);
if (DrawingRecorder::useCachedDrawingIfPossible(gc, scrollbar,
displayItemType))
return;
DrawingRecorder recorder(gc, scrollbar, displayItemType, rect);
WebThemeEngine::State state = scrollbar.hoveredPart() == partType
? WebThemeEngine::StateHover
: WebThemeEngine::StateNormal;
if (useMockTheme() && !scrollbar.enabled())
state = WebThemeEngine::StateDisabled;
IntRect alignRect = trackRect(scrollbar, false);
WebThemeEngine::ExtraParams extraParams;
extraParams.scrollbarTrack.isBack = (partType == BackTrackPart);
extraParams.scrollbarTrack.trackX = alignRect.x();
extraParams.scrollbarTrack.trackY = alignRect.y();
extraParams.scrollbarTrack.trackWidth = alignRect.width();
extraParams.scrollbarTrack.trackHeight = alignRect.height();
Platform::current()->themeEngine()->paint(
gc.canvas(), scrollbar.orientation() == HorizontalScrollbar
? WebThemeEngine::PartScrollbarHorizontalTrack
: WebThemeEngine::PartScrollbarVerticalTrack,
state, WebRect(rect), &extraParams);
}
bool RenderThemeChromiumDefault::paintSliderThumb(RenderObject* o, const PaintInfo& i, const IntRect& rect)
{
if (i.context->paintingDisabled())
return false;
blink::WebThemeEngine::ExtraParams extraParams;
blink::WebCanvas* canvas = i.context->canvas();
extraParams.slider.vertical = o->style()->appearance() == SliderThumbVerticalPart;
extraParams.slider.inDrag = isPressed(o);
// FIXME: Mock theme doesn't handle zoomed sliders.
float zoomLevel = useMockTheme() ? 1 : o->style()->effectiveZoom();
GraphicsContextStateSaver stateSaver(*i.context, false);
IntRect unzoomedRect = rect;
if (zoomLevel != 1) {
stateSaver.save();
unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
i.context->translate(unzoomedRect.x(), unzoomedRect.y());
i.context->scale(zoomLevel, zoomLevel);
i.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
}
blink::Platform::current()->themeEngine()->paint(canvas, blink::WebThemeEngine::PartSliderThumb, getWebThemeState(this, o), blink::WebRect(unzoomedRect), &extraParams);
return false;
}
int ScrollbarThemeAura::scrollbarThickness(ScrollbarControlSize controlSize)
{
// Horiz and Vert scrollbars are the same thickness.
// In unit tests we don't have the mock theme engine (because of layering violations), so we hard code the size (see bug 327470).
if (useMockTheme())
return 15;
IntSize scrollbarSize = Platform::current()->themeEngine()->getSize(WebThemeEngine::PartScrollbarVerticalTrack);
return scrollbarSize.width();
}
bool LayoutThemeDefault::shouldUseFallbackTheme(const ComputedStyle& style) const
{
if (useMockTheme()) {
// The mock theme can't handle zoomed controls, so we fall back to the "fallback" theme.
ControlPart part = style.appearance();
if (part == CheckboxPart || part == RadioPart)
return style.effectiveZoom() != 1;
}
return LayoutTheme::shouldUseFallbackTheme(style);
}
bool RenderThemeChromiumDefault::shouldUseFallbackTheme(RenderStyle* style) const
{
if (useMockTheme()) {
// The mock theme can't handle zoomed controls, so we fall back to the "fallback" theme.
ControlPart part = style->appearance();
if (part == CheckboxPart || part == RadioPart)
return style->effectiveZoom() != 1;
}
return RenderTheme::shouldUseFallbackTheme(style);
}
void ScrollbarThemeGtkOrAura::paintButton(GraphicsContext* gc, ScrollbarThemeClient* scrollbar, const IntRect& rect, ScrollbarPart part)
{
blink::WebThemeEngine::Part paintPart;
blink::WebThemeEngine::State state = blink::WebThemeEngine::StateNormal;
blink::WebCanvas* canvas = gc->canvas();
bool checkMin = false;
bool checkMax = false;
if (scrollbar->orientation() == HorizontalScrollbar) {
if (part == BackButtonStartPart) {
paintPart = blink::WebThemeEngine::PartScrollbarLeftArrow;
checkMin = true;
} else if (useMockTheme() && part != ForwardButtonEndPart) {
return;
} else {
paintPart = blink::WebThemeEngine::PartScrollbarRightArrow;
checkMax = true;
}
} else {
if (part == BackButtonStartPart) {
paintPart = blink::WebThemeEngine::PartScrollbarUpArrow;
checkMin = true;
} else if (useMockTheme() && part != ForwardButtonEndPart) {
return;
} else {
paintPart = blink::WebThemeEngine::PartScrollbarDownArrow;
checkMax = true;
}
}
if (useMockTheme() && !scrollbar->enabled()) {
state = blink::WebThemeEngine::StateDisabled;
} else if (!useMockTheme() && ((checkMin && (scrollbar->currentPos() <= 0))
|| (checkMax && scrollbar->currentPos() >= scrollbar->maximum()))) {
state = blink::WebThemeEngine::StateDisabled;
} else {
if (part == scrollbar->pressedPart())
state = blink::WebThemeEngine::StatePressed;
else if (part == scrollbar->hoveredPart())
state = blink::WebThemeEngine::StateHover;
}
blink::Platform::current()->themeEngine()->paint(canvas, paintPart, state, blink::WebRect(rect), 0);
}
bool RenderThemeChromiumDefault::supportsFocusRing(const RenderStyle* style) const
{
if (useMockTheme()) {
// Don't use focus rings for buttons when mocking controls.
return style->appearance() == ButtonPart
|| style->appearance() == PushButtonPart
|| style->appearance() == SquareButtonPart;
}
return RenderThemeChromiumSkia::supportsFocusRing(style);
}
bool LayoutThemeDefault::themeDrawsFocusRing(const ComputedStyle& style) const
{
if (useMockTheme()) {
// Don't use focus rings for buttons when mocking controls.
return style.appearance() == ButtonPart
|| style.appearance() == PushButtonPart
|| style.appearance() == SquareButtonPart;
}
// This causes Blink to draw the focus rings for us.
return false;
}
bool RenderThemeChromiumDefault::paintButton(RenderObject* o, const PaintInfo& i, const IntRect& rect)
{
if (i.context->paintingDisabled())
return false;
blink::WebThemeEngine::ExtraParams extraParams;
blink::WebCanvas* canvas = i.context->canvas();
extraParams.button.hasBorder = true;
extraParams.button.backgroundColor = useMockTheme() ? 0xffc0c0c0 : defaultButtonBackgroundColor;
if (o->hasBackground())
extraParams.button.backgroundColor = o->resolveColor(CSSPropertyBackgroundColor).rgb();
blink::Platform::current()->themeEngine()->paint(canvas, blink::WebThemeEngine::PartButton, getWebThemeState(this, o), blink::WebRect(rect), &extraParams);
return false;
}
Color LayoutThemeDefault::systemColor(CSSValueID cssValueId) const
{
static const Color defaultButtonGrayColor(0xffdddddd);
static const Color defaultMenuColor(0xfff7f7f7);
if (cssValueId == CSSValueButtonface) {
if (useMockTheme())
return Color(0xc0, 0xc0, 0xc0);
return defaultButtonGrayColor;
}
if (cssValueId == CSSValueMenu)
return defaultMenuColor;
return LayoutTheme::systemColor(cssValueId);
}
void RenderThemeChromiumDefault::adjustSliderThumbSize(RenderStyle* style, Element* element) const
{
IntSize size = blink::Platform::current()->themeEngine()->getSize(blink::WebThemeEngine::PartSliderThumb);
// FIXME: Mock theme doesn't handle zoomed sliders.
float zoomLevel = useMockTheme() ? 1 : style->effectiveZoom();
if (style->appearance() == SliderThumbHorizontalPart) {
style->setWidth(Length(size.width() * zoomLevel, Fixed));
style->setHeight(Length(size.height() * zoomLevel, Fixed));
} else if (style->appearance() == SliderThumbVerticalPart) {
style->setWidth(Length(size.height() * zoomLevel, Fixed));
style->setHeight(Length(size.width() * zoomLevel, Fixed));
} else
RenderThemeChromiumSkia::adjustSliderThumbSize(style, element);
}
void LayoutThemeDefault::adjustSliderThumbSize(ComputedStyle& style) const
{
IntSize size = Platform::current()->themeEngine()->getSize(WebThemeEngine::PartSliderThumb);
// FIXME: Mock theme doesn't handle zoomed sliders.
float zoomLevel = useMockTheme() ? 1 : style.effectiveZoom();
if (style.appearance() == SliderThumbHorizontalPart) {
style.setWidth(Length(size.width() * zoomLevel, Fixed));
style.setHeight(Length(size.height() * zoomLevel, Fixed));
} else if (style.appearance() == SliderThumbVerticalPart) {
style.setWidth(Length(size.height() * zoomLevel, Fixed));
style.setHeight(Length(size.width() * zoomLevel, Fixed));
} else {
MediaControlsPainter::adjustMediaSliderThumbSize(style);
}
}
bool ThemePainterDefault::paintButton(const LayoutObject& o,
const PaintInfo& i,
const IntRect& rect) {
WebThemeEngine::ExtraParams extraParams;
WebCanvas* canvas = i.context.canvas();
extraParams.button.hasBorder = true;
extraParams.button.backgroundColor =
useMockTheme() ? 0xffc0c0c0 : defaultButtonBackgroundColor;
if (o.styleRef().hasBackground())
extraParams.button.backgroundColor =
o.resolveColor(CSSPropertyBackgroundColor).rgb();
Platform::current()->themeEngine()->paint(canvas, WebThemeEngine::PartButton,
getWebThemeState(o), WebRect(rect),
&extraParams);
return false;
}
bool RenderThemeChromiumDefault::paintMenuList(RenderObject* o, const PaintInfo& i, const IntRect& rect)
{
if (!o->isBox() || i.context->paintingDisabled())
return false;
const int right = rect.x() + rect.width();
const int middle = rect.y() + rect.height() / 2;
blink::WebThemeEngine::ExtraParams extraParams;
extraParams.menuList.arrowY = middle;
const RenderBox* box = toRenderBox(o);
// Match Chromium Win behaviour of showing all borders if any are shown.
extraParams.menuList.hasBorder = box->borderRight() || box->borderLeft() || box->borderTop() || box->borderBottom();
extraParams.menuList.hasBorderRadius = o->style()->hasBorderRadius();
// Fallback to transparent if the specified color object is invalid.
Color backgroundColor(Color::transparent);
if (o->hasBackground())
backgroundColor = o->resolveColor(CSSPropertyBackgroundColor);
extraParams.menuList.backgroundColor = backgroundColor.rgb();
// If we have a background image, don't fill the content area to expose the
// parent's background. Also, we shouldn't fill the content area if the
// alpha of the color is 0. The API of Windows GDI ignores the alpha.
// FIXME: the normal Aura theme doesn't care about this, so we should
// investigate if we really need fillContentArea.
extraParams.menuList.fillContentArea = !o->style()->hasBackgroundImage() && backgroundColor.alpha();
if (useMockTheme()) {
// The size and position of the drop-down button is different between
// the mock theme and the regular aura theme.
int spacingTop = box->borderTop() + box->paddingTop();
int spacingBottom = box->borderBottom() + box->paddingBottom();
int spacingRight = box->borderRight() + box->paddingRight();
extraParams.menuList.arrowX = (o->style()->direction() == RTL) ? rect.x() + 4 + spacingRight: right - 13 - spacingRight;
extraParams.menuList.arrowHeight = rect.height() - spacingBottom - spacingTop;
} else {
extraParams.menuList.arrowX = (o->style()->direction() == RTL) ? rect.x() + 7 : right - 13;
}
blink::WebCanvas* canvas = i.context->canvas();
blink::Platform::current()->themeEngine()->paint(canvas, blink::WebThemeEngine::PartMenuList, getWebThemeState(this, o), blink::WebRect(rect), &extraParams);
return false;
}
void ThemePainterDefault::setupMenuListArrow(
const LayoutBox& box,
const IntRect& rect,
WebThemeEngine::ExtraParams& extraParams) {
const int left = rect.x() + box.borderLeft();
const int right = rect.x() + rect.width() - box.borderRight();
const int middle = rect.y() + rect.height() / 2;
extraParams.menuList.arrowY = middle;
float arrowBoxWidth = m_theme.clampedMenuListArrowPaddingSize(
box.frameView()->getHostWindow(), box.styleRef());
float arrowScaleFactor = arrowBoxWidth / m_theme.scrollbarThicknessInDIP();
if (useMockTheme()) {
// The size and position of the drop-down button is different between
// the mock theme and the regular aura theme.
// Padding inside the arrowBox.
float extraPadding = 2 * arrowScaleFactor;
float arrowSize =
std::min(arrowBoxWidth,
static_cast<float>(rect.height() - box.borderTop() -
box.borderBottom())) -
2 * extraPadding;
// |arrowX| is the middle position for mock theme engine.
extraParams.menuList.arrowX =
(box.styleRef().direction() == RTL)
? rect.x() + extraPadding + (arrowSize / 2)
: right - (arrowSize / 2) - extraPadding;
extraParams.menuList.arrowSize = arrowSize;
} else {
// TODO(tkent): This should be 7.0 to match scroll bar buttons.
float arrowSize = 6.0 * arrowScaleFactor;
// Put the 6px arrow at the center of paddingForArrow area.
// |arrowX| is the left position for Aura theme engine.
extraParams.menuList.arrowX = (box.styleRef().direction() == RTL)
? left + (arrowBoxWidth - arrowSize) / 2
: right - (arrowBoxWidth + arrowSize) / 2;
extraParams.menuList.arrowSize = arrowSize;
}
extraParams.menuList.arrowColor = box.resolveColor(CSSPropertyColor).rgb();
}
Color RenderThemeChromiumDefault::platformActiveSelectionForegroundColor() const
{
if (useMockTheme())
return Color(0xff, 0xff, 0xcc); // Pale yellow.
return m_activeSelectionForegroundColor;
}
IntSize RenderThemeChromiumDefault::sliderTickSize() const
{
if (useMockTheme())
return IntSize(1, 3);
return IntSize(1, 6);
}
int RenderThemeChromiumDefault::sliderTickOffsetFromTrackCenter() const
{
if (useMockTheme())
return 11;
return -16;
}
int LayoutThemeDefault::sliderTickOffsetFromTrackCenter() const
{
if (useMockTheme())
return 11;
return -16;
}
IntSize LayoutThemeDefault::sliderTickSize() const
{
if (useMockTheme())
return IntSize(1, 3);
return IntSize(1, 6);
}
Color LayoutThemeDefault::platformInactiveSelectionForegroundColor() const
{
if (useMockTheme())
return Color::white;
return m_inactiveSelectionForegroundColor;
}
Color LayoutThemeDefault::platformActiveSelectionForegroundColor() const
{
if (useMockTheme())
return Color(0xff, 0xff, 0xcc); // Pale yellow.
return m_activeSelectionForegroundColor;
}
Color LayoutThemeDefault::platformInactiveSelectionBackgroundColor() const
{
if (useMockTheme())
return Color(0x99, 0x99, 0x99); // Medium gray.
return m_inactiveSelectionBackgroundColor;
}
Color LayoutThemeDefault::platformActiveSelectionBackgroundColor() const
{
if (useMockTheme())
return Color(0x00, 0x00, 0xff); // Royal blue.
return m_activeSelectionBackgroundColor;
}
Color RenderThemeChromiumDefault::platformInactiveSelectionForegroundColor() const
{
if (useMockTheme())
return Color::white;
return m_inactiveSelectionForegroundColor;
}
Color RenderThemeChromiumDefault::platformActiveSelectionBackgroundColor() const
{
if (useMockTheme())
return Color(0x00, 0x00, 0xff); // Royal blue.
return m_activeSelectionBackgroundColor;
}
