/*
* Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#if PLATFORM(IOS)
#import "CSSPrimitiveValue.h"
#import "CSSToLengthConversionData.h"
#import "CSSValueKeywords.h"
#import "CoreTextSPI.h"
#import "DateComponents.h"
#import "Document.h"
#import "FloatRoundedRect.h"
#import "FontCache.h"
#import "FontCascade.h"
#import "Frame.h"
#import "FrameView.h"
#import "Gradient.h"
#import "GraphicsContext.h"
#import "GraphicsContextCG.h"
#import "HTMLInputElement.h"
#import "HTMLNames.h"
#import "HTMLSelectElement.h"
#import "Icon.h"
#import "LocalizedDateCache.h"
#import "NodeRenderStyle.h"
#import "Page.h"
#import "PaintInfo.h"
#import "PlatformLocale.h"
#import "RenderObject.h"
#import "RenderProgress.h"
#import "RenderStyle.h"
#import "RenderThemeIOS.h"
#import "RenderView.h"
#import "SoftLinking.h"
#import "UIColorSPI.h"
#import "UserAgentScripts.h"
#import "UserAgentStyleSheets.h"
#import "WebCoreThreadRun.h"
#import <CoreGraphics/CoreGraphics.h>
#import <objc/runtime.h>
#import <wtf/NeverDestroyed.h>
#import <wtf/RefPtr.h>
#import <wtf/StdLibExtras.h>
SOFT_LINK_FRAMEWORK(UIKit)
SOFT_LINK_CLASS(UIKit, UIApplication)
SOFT_LINK_CLASS(UIKit, UIColor)
SOFT_LINK_CONSTANT(UIKit, UIContentSizeCategoryDidChangeNotification, CFStringRef)
#define UIContentSizeCategoryDidChangeNotification getUIContentSizeCategoryDidChangeNotification()
#if !USE(APPLE_INTERNAL_SDK)
@interface UIApplication
+ (UIApplication *)sharedApplication;
@property (nonatomic, copy) NSString *preferredContentSizeCategory;
@end
#endif
@interface WebCoreRenderThemeBundle : NSObject
@end
@implementation WebCoreRenderThemeBundle
@end
namespace WebCore {
const float ControlBaseHeight = 20;
const float ControlBaseFontSize = 11;
struct IOSGradient {
float* start; // points to static float[4]
float* end; // points to static float[4]
IOSGradient(float start[4], float end[4])
: start(start)
, end(end)
{
}
};
typedef IOSGradient* IOSGradientRef;
enum Interpolation
{
LinearInterpolation,
ExponentialInterpolation
};
static void interpolateLinearGradient(void *info, const CGFloat *inData, CGFloat *outData)
{
IOSGradientRef gradient = static_cast<IOSGradientRef>(info);
float alpha = inData[0];
float inverse = 1.0f - alpha;
outData[0] = inverse * gradient->start[0] + alpha * gradient->end[0];
outData[1] = inverse * gradient->start[1] + alpha * gradient->end[1];
outData[2] = inverse * gradient->start[2] + alpha * gradient->end[2];
outData[3] = inverse * gradient->start[3] + alpha * gradient->end[3];
}
static void interpolateExponentialGradient(void *info, const CGFloat *inData, CGFloat *outData)
{
IOSGradientRef gradient = static_cast<IOSGradientRef>(info);
float a = inData[0];
for (int paintInfo = 0; paintInfo < 4; ++paintInfo) {
float end = logf(std::max(gradient->end[paintInfo], 0.01f));
float start = logf(std::max(gradient->start[paintInfo], 0.01f));
outData[paintInfo] = expf(start - (end + start) * a);
}
}
static CGFunctionRef getSharedFunctionRef(IOSGradientRef gradient, Interpolation interpolation)
{
CGFunctionRef function = nullptr;
static HashMap<IOSGradientRef, CGFunctionRef>* linearFunctionRefs;
static HashMap<IOSGradientRef, CGFunctionRef>* exponentialFunctionRefs;
if (interpolation == LinearInterpolation) {
if (!linearFunctionRefs)
linearFunctionRefs = new HashMap<IOSGradientRef, CGFunctionRef>;
else
function = linearFunctionRefs->get(gradient);
if (!function) {
static struct CGFunctionCallbacks linearFunctionCallbacks = { 0, interpolateLinearGradient, 0 };
linearFunctionRefs->set(gradient, function = CGFunctionCreate(gradient, 1, nullptr, 4, nullptr, &linearFunctionCallbacks));
}
return function;
}
if (!exponentialFunctionRefs)
exponentialFunctionRefs = new HashMap<IOSGradientRef, CGFunctionRef>;
else
function = exponentialFunctionRefs->get(gradient);
if (!function) {
static struct CGFunctionCallbacks exponentialFunctionCallbacks = { 0, interpolateExponentialGradient, 0 };
exponentialFunctionRefs->set(gradient, function = CGFunctionCreate(gradient, 1, 0, 4, 0, &exponentialFunctionCallbacks));
}
return function;
}
static void drawAxialGradient(CGContextRef context, IOSGradientRef gradient, const FloatPoint& startPoint, const FloatPoint& stopPoint, Interpolation interpolation)
{
RetainPtr<CGShadingRef> shading = adoptCF(CGShadingCreateAxial(deviceRGBColorSpaceRef(), startPoint, stopPoint, getSharedFunctionRef(gradient, interpolation), false, false));
CGContextDrawShading(context, shading.get());
}
static void drawRadialGradient(CGContextRef context, IOSGradientRef gradient, const FloatPoint& startPoint, float startRadius, const FloatPoint& stopPoint, float stopRadius, Interpolation interpolation)
{
RetainPtr<CGShadingRef> shading = adoptCF(CGShadingCreateRadial(sRGBColorSpaceRef(), startPoint, startRadius, stopPoint, stopRadius, getSharedFunctionRef(gradient, interpolation), false, false));
CGContextDrawShading(context, shading.get());
}
enum IOSGradientType {
InsetGradient,
ShineGradient,
ShadeGradient,
ConvexGradient,
ConcaveGradient,
SliderTrackGradient,
ReadonlySliderTrackGradient,
SliderThumbOpaquePressedGradient,
};
static IOSGradientRef getInsetGradient()
{
static float end[4] = { 0 / 255.0, 0 / 255.0, 0 / 255.0, 0 };
static float start[4] = { 0 / 255.0, 0 / 255.0, 0 / 255.0, 0.2 };
static NeverDestroyed<IOSGradient> gradient(start, end);
return &gradient.get();
}
static IOSGradientRef getShineGradient()
{
static float end[4] = { 1, 1, 1, 0.8 };
static float start[4] = { 1, 1, 1, 0 };
static NeverDestroyed<IOSGradient> gradient(start, end);
return &gradient.get();
}
static IOSGradientRef getShadeGradient()
{
static float end[4] = { 178 / 255.0, 178 / 255.0, 178 / 255.0, 0.65 };
static float start[4] = { 252 / 255.0, 252 / 255.0, 252 / 255.0, 0.65 };
static NeverDestroyed<IOSGradient> gradient(start, end);
return &gradient.get();
}
static IOSGradientRef getConvexGradient()
{
static float end[4] = { 255 / 255.0, 255 / 255.0, 255 / 255.0, 0.05 };
static float start[4] = { 255 / 255.0, 255 / 255.0, 255 / 255.0, 0.43 };
static NeverDestroyed<IOSGradient> gradient(start, end);
return &gradient.get();
}
static IOSGradientRef getConcaveGradient()
{
static float end[4] = { 255 / 255.0, 255 / 255.0, 255 / 255.0, 0.46 };
static float start[4] = { 255 / 255.0, 255 / 255.0, 255 / 255.0, 0 };
static NeverDestroyed<IOSGradient> gradient(start, end);
return &gradient.get();
}
static IOSGradientRef getSliderTrackGradient()
{
static float end[4] = { 132 / 255.0, 132 / 255.0, 132 / 255.0, 1 };
static float start[4] = { 74 / 255.0, 77 / 255.0, 80 / 255.0, 1 };
static NeverDestroyed<IOSGradient> gradient(start, end);
return &gradient.get();
}
static IOSGradientRef getReadonlySliderTrackGradient()
{
static float end[4] = { 132 / 255.0, 132 / 255.0, 132 / 255.0, 0.4 };
static float start[4] = { 74 / 255.0, 77 / 255.0, 80 /255.0, 0.4 };
static NeverDestroyed<IOSGradient> gradient(start, end);
return &gradient.get();
}
static IOSGradientRef getSliderThumbOpaquePressedGradient()
{
static float end[4] = { 144 / 255.0, 144 / 255.0, 144 / 255.0, 1};
static float start[4] = { 55 / 255.0, 55 / 255.0, 55 / 255.0, 1 };
static NeverDestroyed<IOSGradient> gradient(start, end);
return &gradient.get();
}
static IOSGradientRef gradientWithName(IOSGradientType gradientType)
{
switch (gradientType) {
case InsetGradient:
return getInsetGradient();
case ShineGradient:
return getShineGradient();
case ShadeGradient:
return getShadeGradient();
case ConvexGradient:
return getConvexGradient();
case ConcaveGradient:
return getConcaveGradient();
case SliderTrackGradient:
return getSliderTrackGradient();
case ReadonlySliderTrackGradient:
return getReadonlySliderTrackGradient();
case SliderThumbOpaquePressedGradient:
return getSliderThumbOpaquePressedGradient();
}
ASSERT_NOT_REACHED();
return nullptr;
}
static void contentSizeCategoryDidChange(CFNotificationCenterRef, void*, CFStringRef name, const void*, CFDictionaryRef)
{
ASSERT_UNUSED(name, CFEqual(name, UIContentSizeCategoryDidChangeNotification));
WebThreadRun(^{
Page::updateStyleForAllPagesAfterGlobalChangeInEnvironment();
});
}
RenderThemeIOS::RenderThemeIOS()
{
CFNotificationCenterAddObserver(CFNotificationCenterGetLocalCenter(), this, contentSizeCategoryDidChange, UIContentSizeCategoryDidChangeNotification, 0, CFNotificationSuspensionBehaviorDeliverImmediately);
}
PassRefPtr<RenderTheme> RenderTheme::themeForPage(Page*)
{
static RenderTheme& renderTheme = RenderThemeIOS::create().leakRef();
return &renderTheme;
}
Ref<RenderTheme> RenderThemeIOS::create()
{
return adoptRef(*new RenderThemeIOS);
}
static String& _contentSizeCategory()
{
static NeverDestroyed<String> _contentSizeCategory;
return _contentSizeCategory.get();
}
CFStringRef RenderThemeIOS::contentSizeCategory()
{
if (!_contentSizeCategory().isNull())
return (__bridge CFStringRef)static_cast<NSString*>(_contentSizeCategory());
return (CFStringRef)[[getUIApplicationClass() sharedApplication] preferredContentSizeCategory];
}
void RenderThemeIOS::setContentSizeCategory(const String& contentSizeCategory)
{
_contentSizeCategory() = contentSizeCategory;
}
const Color& RenderThemeIOS::shadowColor() const
{
static Color color(0.0f, 0.0f, 0.0f, 0.7f);
return color;
}
FloatRect RenderThemeIOS::addRoundedBorderClip(const RenderObject& box, GraphicsContext* context, const IntRect& rect)
{
// To fix inner border bleeding issues <rdar://problem/9812507>, we clip to the outer border and assert that
// the border is opaque or transparent, unless we're checked because checked radio/checkboxes show no bleeding.
RenderStyle& style = box.style();
RoundedRect border = isChecked(box) ? style.getRoundedInnerBorderFor(rect) : style.getRoundedBorderFor(rect);
if (border.isRounded())
context->clipRoundedRect(FloatRoundedRect(border));
else
context->clip(border.rect());
if (isChecked(box)) {
ASSERT(style.visitedDependentColor(CSSPropertyBorderTopColor).alpha() % 255 == 0);
ASSERT(style.visitedDependentColor(CSSPropertyBorderRightColor).alpha() % 255 == 0);
ASSERT(style.visitedDependentColor(CSSPropertyBorderBottomColor).alpha() % 255 == 0);
ASSERT(style.visitedDependentColor(CSSPropertyBorderLeftColor).alpha() % 255 == 0);
}
return border.rect();
}
void RenderThemeIOS::adjustCheckboxStyle(StyleResolver&, RenderStyle& style, Element*) const
{
if (!style.width().isIntrinsicOrAuto() && !style.height().isAuto())
return;
Length length = Length(static_cast<int>(ceilf(std::max(style.fontSize(), 10))), Fixed);
style.setWidth(length);
style.setHeight(length);
}
static CGPoint shortened(CGPoint start, CGPoint end, float width)
{
float x = end.x - start.x;
float y = end.y - start.y;
float ratio = (!x && !y) ? 0 : width / sqrtf(x * x + y * y);
return CGPointMake(start.x + x * ratio, start.y + y * ratio);
}
bool RenderThemeIOS::paintCheckboxDecorations(const RenderObject& box, const PaintInfo& paintInfo, const IntRect& rect)
{
GraphicsContextStateSaver stateSaver(*paintInfo.context);
FloatRect clip = addRoundedBorderClip(box, paintInfo.context, rect);
float width = clip.width();
float height = clip.height();
CGContextRef cgContext = paintInfo.context->platformContext();
if (isChecked(box)) {
drawAxialGradient(cgContext, gradientWithName(ConcaveGradient), clip.location(), FloatPoint(clip.x(), clip.maxY()), LinearInterpolation);
static const float thicknessRatio = 2 / 14.0;
static const CGSize size = { 14.0f, 14.0f };
static const CGPoint pathRatios[3] = {
{ 2.5f / size.width, 7.5f / size.height },
{ 5.5f / size.width, 10.5f / size.height },
{ 11.5f / size.width, 2.5f / size.height }
};
float lineWidth = std::min(width, height) * 2.0f * thicknessRatio;
CGPoint line[3] = {
CGPointMake(clip.x() + width * pathRatios[0].x, clip.y() + height * pathRatios[0].y),
CGPointMake(clip.x() + width * pathRatios[1].x, clip.y() + height * pathRatios[1].y),
CGPointMake(clip.x() + width * pathRatios[2].x, clip.y() + height * pathRatios[2].y)
};
CGPoint shadow[3] = {
shortened(line[0], line[1], lineWidth / 4.0f),
line[1],
shortened(line[2], line[1], lineWidth / 4.0f)
};
paintInfo.context->setStrokeThickness(lineWidth);
paintInfo.context->setStrokeColor(Color(0.0f, 0.0f, 0.0f, 0.7f), ColorSpaceDeviceRGB);
paintInfo.context->drawJoinedLines(shadow, 3, true, kCGLineCapSquare);
paintInfo.context->setStrokeThickness(std::min(clip.width(), clip.height()) * thicknessRatio);
paintInfo.context->setStrokeColor(Color(1.0f, 1.0f, 1.0f, 240 / 255.0f), ColorSpaceDeviceRGB);
paintInfo.context->drawJoinedLines(line, 3, true);
} else {
FloatPoint bottomCenter(clip.x() + clip.width() / 2.0f, clip.maxY());
drawAxialGradient(cgContext, gradientWithName(ShadeGradient), clip.location(), FloatPoint(clip.x(), clip.maxY()), LinearInterpolation);
drawRadialGradient(cgContext, gradientWithName(ShineGradient), bottomCenter, 0, bottomCenter, sqrtf((width * width) / 4.0f + height * height), ExponentialInterpolation);
}
return false;
}
int RenderThemeIOS::baselinePosition(const RenderObject& renderer) const
{
if (!is<RenderBox>(renderer))
return 0;
const auto& box = downcast<RenderBox>(renderer);
if (box.style().appearance() == CheckboxPart || box.style().appearance() == RadioPart)
return box.marginTop() + box.height() - 2; // The baseline is 2px up from the bottom of the checkbox/radio in AppKit.
if (box.style().appearance() == MenulistPart)
return box.marginTop() + box.height() - 5; // This is to match AppKit. There might be a better way to calculate this though.
return RenderTheme::baselinePosition(box);
}
bool RenderThemeIOS::isControlStyled(const RenderStyle& style, const BorderData& border, const FillLayer& background, const Color& backgroundColor) const
{
// Buttons and MenulistButtons are styled if they contain a background image.
if (style.appearance() == PushButtonPart || style.appearance() == MenulistButtonPart)
return !style.visitedDependentColor(CSSPropertyBackgroundColor).alpha() || style.backgroundLayers()->hasImage();
if (style.appearance() == TextFieldPart || style.appearance() == TextAreaPart)
return *style.backgroundLayers() != background;
return RenderTheme::isControlStyled(style, border, background, backgroundColor);
}
void RenderThemeIOS::adjustRadioStyle(StyleResolver&, RenderStyle& style, Element*) const
{
if (!style.width().isIntrinsicOrAuto() && !style.height().isAuto())
return;
Length length = Length(static_cast<int>(ceilf(std::max(style.fontSize(), 10))), Fixed);
style.setWidth(length);
style.setHeight(length);
style.setBorderRadius(IntSize(length.value() / 2.0f, length.value() / 2.0f));
}
bool RenderThemeIOS::paintRadioDecorations(const RenderObject& box, const PaintInfo& paintInfo, const IntRect& rect)
{
GraphicsContextStateSaver stateSaver(*paintInfo.context);
FloatRect clip = addRoundedBorderClip(box, paintInfo.context, rect);
CGContextRef cgContext = paintInfo.context->platformContext();
if (isChecked(box)) {
drawAxialGradient(cgContext, gradientWithName(ConcaveGradient), clip.location(), FloatPoint(clip.x(), clip.maxY()), LinearInterpolation);
// The inner circle is 6 / 14 the size of the surrounding circle,
// leaving 8 / 14 around it. (8 / 14) / 2 = 2 / 7.
static const float InnerInverseRatio = 2 / 7.0;
clip.inflateX(-clip.width() * InnerInverseRatio);
clip.inflateY(-clip.height() * InnerInverseRatio);
paintInfo.context->drawRaisedEllipse(clip, Color::white, ColorSpaceDeviceRGB, shadowColor(), ColorSpaceDeviceRGB);
FloatSize radius(clip.width() / 2.0f, clip.height() / 2.0f);
paintInfo.context->clipRoundedRect(FloatRoundedRect(clip, radius, radius, radius, radius));
}
FloatPoint bottomCenter(clip.x() + clip.width() / 2.0, clip.maxY());
drawAxialGradient(cgContext, gradientWithName(ShadeGradient), clip.location(), FloatPoint(clip.x(), clip.maxY()), LinearInterpolation);
drawRadialGradient(cgContext, gradientWithName(ShineGradient), bottomCenter, 0, bottomCenter, std::max(clip.width(), clip.height()), ExponentialInterpolation);
return false;
}
bool RenderThemeIOS::paintTextFieldDecorations(const RenderObject& box, const PaintInfo& paintInfo, const FloatRect& rect)
{
RenderStyle& style = box.style();
FloatPoint point(rect.x() + style.borderLeftWidth(), rect.y() + style.borderTopWidth());
GraphicsContextStateSaver stateSaver(*paintInfo.context);
paintInfo.context->clipRoundedRect(style.getRoundedBorderFor(LayoutRect(rect)).pixelSnappedRoundedRectForPainting(box.document().deviceScaleFactor()));
// This gradient gets drawn black when printing.
// Do not draw the gradient if there is no visible top border.
bool topBorderIsInvisible = !style.hasBorder() || !style.borderTopWidth() || style.borderTopIsTransparent();
if (!box.view().printing() && !topBorderIsInvisible)
drawAxialGradient(paintInfo.context->platformContext(), gradientWithName(InsetGradient), point, FloatPoint(CGPointMake(point.x(), point.y() + 3.0f)), LinearInterpolation);
return false;
}
bool RenderThemeIOS::paintTextAreaDecorations(const RenderObject& box, const PaintInfo& paintInfo, const FloatRect& rect)
{
return paintTextFieldDecorations(box, paintInfo, rect);
}
const int MenuListMinHeight = 15;
const float MenuListBaseHeight = 20;
const float MenuListBaseFontSize = 11;
const float MenuListArrowWidth = 7;
const float MenuListArrowHeight = 6;
const float MenuListButtonPaddingRight = 19;
int RenderThemeIOS::popupInternalPaddingRight(RenderStyle& style) const
{
if (style.appearance() == MenulistButtonPart)
return MenuListButtonPaddingRight + style.borderTopWidth();
return 0;
}
void RenderThemeIOS::adjustRoundBorderRadius(RenderStyle& style, RenderBox& box)
{
if (style.appearance() == NoControlPart || style.backgroundLayers()->hasImage())
return;
// FIXME: We should not be relying on border radius for the appearance of our controls <rdar://problem/7675493>
Length radiusWidth(static_cast<int>(std::min(box.width(), box.height()) / 2.0), Fixed);
Length radiusHeight(static_cast<int>(box.height() / 2.0), Fixed);
style.setBorderRadius(LengthSize(radiusWidth, radiusHeight));
}
static void applyCommonButtonPaddingToStyle(RenderStyle& style, Element& element)
{
Document& document = element.document();
RefPtr<CSSPrimitiveValue> emSize = CSSPrimitiveValue::create(0.5, CSSPrimitiveValue::CSS_EMS);
int pixels = emSize->computeLength<int>(CSSToLengthConversionData(&style, document.renderStyle(), document.renderView(), document.frame()->pageZoomFactor()));
style.setPaddingBox(LengthBox(0, pixels, 0, pixels));
}
static void adjustSelectListButtonStyle(RenderStyle& style, Element& element)
{
// Enforce "padding: 0 0.5em".
applyCommonButtonPaddingToStyle(style, element);
// Enforce "line-height: normal".
style.setLineHeight(Length(-100.0, Percent));
}
class RenderThemeMeasureTextClient : public MeasureTextClient {
public:
RenderThemeMeasureTextClient(const FontCascade& font, RenderObject& renderObject, const RenderStyle& style)
: m_font(font)
, m_renderObject(renderObject)
, m_style(style)
{
}
virtual float measureText(const String& string) const override
{
TextRun run = RenderBlock::constructTextRun(&m_renderObject, m_font, string, m_style, AllowTrailingExpansion | ForbidLeadingExpansion, DefaultTextRunFlags);
return m_font.width(run);
}
private:
const FontCascade& m_font;
RenderObject& m_renderObject;
const RenderStyle& m_style;
};
static void adjustInputElementButtonStyle(RenderStyle& style, HTMLInputElement& inputElement)
{
// Always Enforce "padding: 0 0.5em".
applyCommonButtonPaddingToStyle(style, inputElement);
// Don't adjust the style if the width is specified.
if (style.width().isFixed() && style.width().value() > 0)
return;
// Don't adjust for unsupported date input types.
DateComponents::Type dateType = inputElement.dateType();
if (dateType == DateComponents::Invalid || dateType == DateComponents::Week)
return;
// Enforce the width and set the box-sizing to content-box to not conflict with the padding.
FontCascade font = style.fontCascade();
RenderObject* renderer = inputElement.renderer();
if (font.primaryFont().isSVGFont() && !renderer)
return;
float maximumWidth = localizedDateCache().maximumWidthForDateType(dateType, font, RenderThemeMeasureTextClient(font, *renderer, style));
ASSERT(maximumWidth >= 0);
if (maximumWidth > 0) {
int width = static_cast<int>(maximumWidth + MenuListButtonPaddingRight);
style.setWidth(Length(width, Fixed));
style.setBoxSizing(CONTENT_BOX);
}
}
void RenderThemeIOS::adjustMenuListButtonStyle(StyleResolver&, RenderStyle& style, Element* element) const
{
// Set the min-height to be at least MenuListMinHeight.
if (style.height().isAuto())
style.setMinHeight(Length(std::max(MenuListMinHeight, static_cast<int>(MenuListBaseHeight / MenuListBaseFontSize * style.fontDescription().computedSize())), Fixed));
else
style.setMinHeight(Length(MenuListMinHeight, Fixed));
if (!element)
return;
// Enforce some default styles in the case that this is a non-multiple <select> element,
// or a date input. We don't force these if this is just an element with
// "-webkit-appearance: menulist-button".
if (element->hasTagName(HTMLNames::selectTag) && !element->hasAttribute(HTMLNames::multipleAttr))
adjustSelectListButtonStyle(style, *element);
else if (element->hasTagName(HTMLNames::inputTag))
adjustInputElementButtonStyle(style, static_cast<HTMLInputElement&>(*element));
}
bool RenderThemeIOS::paintMenuListButtonDecorations(const RenderObject& box, const PaintInfo& paintInfo, const FloatRect& rect)
{
RenderStyle& style = box.style();
float borderTopWidth = style.borderTopWidth();
FloatRect clip(rect.x() + style.borderLeftWidth(), rect.y() + style.borderTopWidth(), rect.width() - style.borderLeftWidth() - style.borderRightWidth(), rect.height() - style.borderTopWidth() - style.borderBottomWidth());
CGContextRef cgContext = paintInfo.context->platformContext();
float adjustLeft = 0.5;
float adjustRight = 0.5;
float adjustTop = 0.5;
float adjustBottom = 0.5;
// Paint left-hand title portion.
{
FloatRect titleClip(clip.x() - adjustLeft, clip.y() - adjustTop, clip.width() - MenuListButtonPaddingRight + adjustLeft, clip.height() + adjustTop + adjustBottom);
GraphicsContextStateSaver stateSaver(*paintInfo.context);
paintInfo.context->clipRoundedRect(FloatRoundedRect(titleClip,
FloatSize(valueForLength(style.borderTopLeftRadius().width(), rect.width()) - style.borderLeftWidth(), valueForLength(style.borderTopLeftRadius().height(), rect.height()) - style.borderTopWidth()), FloatSize(0, 0),
FloatSize(valueForLength(style.borderBottomLeftRadius().width(), rect.width()) - style.borderLeftWidth(), valueForLength(style.borderBottomLeftRadius().height(), rect.height()) - style.borderBottomWidth()), FloatSize(0, 0)));
drawAxialGradient(cgContext, gradientWithName(ShadeGradient), titleClip.location(), FloatPoint(titleClip.x(), titleClip.maxY()), LinearInterpolation);
drawAxialGradient(cgContext, gradientWithName(ShineGradient), FloatPoint(titleClip.x(), titleClip.maxY()), titleClip.location(), ExponentialInterpolation);
}
// Draw the separator after the initial padding.
float separator = clip.maxX() - MenuListButtonPaddingRight;
box.drawLineForBoxSide(paintInfo.context, separator - borderTopWidth, clip.y(), separator, clip.maxY(), BSRight, style.visitedDependentColor(CSSPropertyBorderTopColor), style.borderTopStyle(), 0, 0);
FloatRect buttonClip(separator - adjustTop, clip.y() - adjustTop, MenuListButtonPaddingRight + adjustTop + adjustRight, clip.height() + adjustTop + adjustBottom);
// Now paint the button portion.
{
GraphicsContextStateSaver stateSaver(*paintInfo.context);
paintInfo.context->clipRoundedRect(FloatRoundedRect(buttonClip,
FloatSize(0, 0), FloatSize(valueForLength(style.borderTopRightRadius().width(), rect.width()) - style.borderRightWidth(), valueForLength(style.borderTopRightRadius().height(), rect.height()) - style.borderTopWidth()),
FloatSize(0, 0), FloatSize(valueForLength(style.borderBottomRightRadius().width(), rect.width()) - style.borderRightWidth(), valueForLength(style.borderBottomRightRadius().height(), rect.height()) - style.borderBottomWidth())));
paintInfo.context->fillRect(buttonClip, style.visitedDependentColor(CSSPropertyBorderTopColor), style.colorSpace());
drawAxialGradient(cgContext, gradientWithName(isFocused(box) && !isReadOnlyControl(box) ? ConcaveGradient : ConvexGradient), buttonClip.location(), FloatPoint(buttonClip.x(), buttonClip.maxY()), LinearInterpolation);
}
// Paint Indicators.
if (box.isMenuList() && downcast<HTMLSelectElement>(box.node())->multiple()) {
int size = 2;
int count = 3;
int padding = 3;
FloatRect ellipse(buttonClip.x() + (buttonClip.width() - count * (size + padding) + padding) / 2.0, buttonClip.maxY() - 10.0, size, size);
for (int i = 0; i < count; ++i) {
paintInfo.context->drawRaisedEllipse(ellipse, Color::white, ColorSpaceDeviceRGB, Color(0.0f, 0.0f, 0.0f, 0.5f), ColorSpaceDeviceRGB);
ellipse.move(size + padding, 0);
}
} else {
float centerX = floorf(buttonClip.x() + buttonClip.width() / 2.0) - 0.5;
float centerY = floorf(buttonClip.y() + buttonClip.height() * 3.0 / 8.0);
FloatPoint arrow[3];
FloatPoint shadow[3];
arrow[0] = FloatPoint(centerX - MenuListArrowWidth / 2.0, centerY);
arrow[1] = FloatPoint(centerX + MenuListArrowWidth / 2.0, centerY);
arrow[2] = FloatPoint(centerX, centerY + MenuListArrowHeight);
shadow[0] = FloatPoint(arrow[0].x(), arrow[0].y() + 1.0f);
shadow[1] = FloatPoint(arrow[1].x(), arrow[1].y() + 1.0f);
shadow[2] = FloatPoint(arrow[2].x(), arrow[2].y() + 1.0f);
float opacity = isReadOnlyControl(box) ? 0.2 : 0.5;
paintInfo.context->setStrokeColor(Color(0.0f, 0.0f, 0.0f, opacity), ColorSpaceDeviceRGB);
paintInfo.context->setFillColor(Color(0.0f, 0.0f, 0.0f, opacity), ColorSpaceDeviceRGB);
paintInfo.context->drawConvexPolygon(3, shadow, true);
paintInfo.context->setStrokeColor(Color::white, ColorSpaceDeviceRGB);
paintInfo.context->setFillColor(Color::white, ColorSpaceDeviceRGB);
paintInfo.context->drawConvexPolygon(3, arrow, true);
}
return false;
}
const CGFloat kTrackThickness = 4.0;
const CGFloat kTrackRadius = kTrackThickness / 2.0;
const int kDefaultSliderThumbSize = 16;
void RenderThemeIOS::adjustSliderTrackStyle(StyleResolver& selector, RenderStyle& style, Element* element) const
{
RenderTheme::adjustSliderTrackStyle(selector, style, element);
// FIXME: We should not be relying on border radius for the appearance of our controls <rdar://problem/7675493>
Length radiusWidth(static_cast<int>(kTrackRadius), Fixed);
Length radiusHeight(static_cast<int>(kTrackRadius), Fixed);
style.setBorderRadius(LengthSize(radiusWidth, radiusHeight));
}
bool RenderThemeIOS::paintSliderTrack(const RenderObject& box, const PaintInfo& paintInfo, const IntRect& rect)
{
IntRect trackClip = rect;
RenderStyle& style = box.style();
bool isHorizontal = true;
switch (style.appearance()) {
case SliderHorizontalPart:
isHorizontal = true;
// Inset slightly so the thumb covers the edge.
if (trackClip.width() > 2) {
trackClip.setWidth(trackClip.width() - 2);
trackClip.setX(trackClip.x() + 1);
}
trackClip.setHeight(static_cast<int>(kTrackThickness));
trackClip.setY(rect.y() + rect.height() / 2 - kTrackThickness / 2);
break;
case SliderVerticalPart:
isHorizontal = false;
// Inset slightly so the thumb covers the edge.
if (trackClip.height() > 2) {
trackClip.setHeight(trackClip.height() - 2);
trackClip.setY(trackClip.y() + 1);
}
trackClip.setWidth(kTrackThickness);
trackClip.setX(rect.x() + rect.width() / 2 - kTrackThickness / 2);
break;
default:
ASSERT_NOT_REACHED();
}
ASSERT(trackClip.width() >= 0);
ASSERT(trackClip.height() >= 0);
CGFloat cornerWidth = trackClip.width() < kTrackThickness ? trackClip.width() / 2.0f : kTrackRadius;
CGFloat cornerHeight = trackClip.height() < kTrackThickness ? trackClip.height() / 2.0f : kTrackRadius;
bool readonly = isReadOnlyControl(box);
#if ENABLE(DATALIST_ELEMENT)
paintSliderTicks(box, paintInfo, trackClip);
#endif
// Draw the track gradient.
{
GraphicsContextStateSaver stateSaver(*paintInfo.context);
IntSize cornerSize(cornerWidth, cornerHeight);
FloatRoundedRect innerBorder(trackClip, cornerSize, cornerSize, cornerSize, cornerSize);
paintInfo.context->clipRoundedRect(innerBorder);
CGContextRef cgContext = paintInfo.context->platformContext();
IOSGradientRef gradient = readonly ? gradientWithName(ReadonlySliderTrackGradient) : gradientWithName(SliderTrackGradient);
if (isHorizontal)
drawAxialGradient(cgContext, gradient, trackClip.location(), FloatPoint(trackClip.x(), trackClip.maxY()), LinearInterpolation);
else
drawAxialGradient(cgContext, gradient, trackClip.location(), FloatPoint(trackClip.maxX(), trackClip.y()), LinearInterpolation);
}
// Draw the track border.
{
GraphicsContextStateSaver stateSaver(*paintInfo.context);
CGContextRef cgContext = paintInfo.context->platformContext();
if (readonly)
paintInfo.context->setStrokeColor(Color(178, 178, 178), ColorSpaceDeviceRGB);
else
paintInfo.context->setStrokeColor(Color(76, 76, 76), ColorSpaceDeviceRGB);
RetainPtr<CGMutablePathRef> roundedRectPath = adoptCF(CGPathCreateMutable());
CGPathAddRoundedRect(roundedRectPath.get(), 0, trackClip, cornerWidth, cornerHeight);
CGContextAddPath(cgContext, roundedRectPath.get());
CGContextSetLineWidth(cgContext, 1);
CGContextStrokePath(cgContext);
}
return false;
}
void RenderThemeIOS::adjustSliderThumbSize(RenderStyle& style, Element*) const
{
if (style.appearance() != SliderThumbHorizontalPart && style.appearance() != SliderThumbVerticalPart)
return;
// Enforce "border-radius: 50%".
Length length(50.0f, Percent);
style.setBorderRadius(LengthSize(length, length));
// Enforce a 16x16 size if no size is provided.
if (style.width().isIntrinsicOrAuto() || style.height().isAuto()) {
Length length = Length(kDefaultSliderThumbSize, Fixed);
style.setWidth(length);
style.setHeight(length);
}
}
bool RenderThemeIOS::paintSliderThumbDecorations(const RenderObject& box, const PaintInfo& paintInfo, const IntRect& rect)
{
GraphicsContextStateSaver stateSaver(*paintInfo.context);
FloatRect clip = addRoundedBorderClip(box, paintInfo.context, rect);
CGContextRef cgContext = paintInfo.context->platformContext();
FloatPoint bottomCenter(clip.x() + clip.width() / 2.0f, clip.maxY());
if (isPressed(box))
drawAxialGradient(cgContext, gradientWithName(SliderThumbOpaquePressedGradient), clip.location(), FloatPoint(clip.x(), clip.maxY()), LinearInterpolation);
else {
drawAxialGradient(cgContext, gradientWithName(ShadeGradient), clip.location(), FloatPoint(clip.x(), clip.maxY()), LinearInterpolation);
drawRadialGradient(cgContext, gradientWithName(ShineGradient), bottomCenter, 0.0f, bottomCenter, std::max(clip.width(), clip.height()), ExponentialInterpolation);
}
return false;
}
double RenderThemeIOS::animationRepeatIntervalForProgressBar(RenderProgress&) const
{
return 0;
}
double RenderThemeIOS::animationDurationForProgressBar(RenderProgress&) const
{
return 0;
}
bool RenderThemeIOS::paintProgressBar(const RenderObject& renderer, const PaintInfo& paintInfo, const IntRect& rect)
{
if (!is<RenderProgress>(renderer))
return true;
const int progressBarHeight = 9;
const float verticalOffset = (rect.height() - progressBarHeight) / 2.0;
GraphicsContextStateSaver stateSaver(*paintInfo.context);
if (rect.width() < 10 || rect.height() < 9) {
// The rect is smaller than the standard progress bar. We clip to the element's rect to avoid
// leaking pixels outside the repaint rect.
paintInfo.context->clip(rect);
}
// 1) Draw the progress bar track.
// 1.1) Draw the white background with grey gradient border.
GraphicsContext* context = paintInfo.context;
context->setStrokeThickness(0.68);
context->setStrokeStyle(SolidStroke);
const float verticalRenderingPosition = rect.y() + verticalOffset;
RefPtr<Gradient> strokeGradient = Gradient::create(FloatPoint(rect.x(), verticalRenderingPosition), FloatPoint(rect.x(), verticalRenderingPosition + progressBarHeight - 1));
strokeGradient->addColorStop(0.0, Color(0x8d, 0x8d, 0x8d));
strokeGradient->addColorStop(0.45, Color(0xee, 0xee, 0xee));
strokeGradient->addColorStop(0.55, Color(0xee, 0xee, 0xee));
strokeGradient->addColorStop(1.0, Color(0x8d, 0x8d, 0x8d));
context->setStrokeGradient(strokeGradient.releaseNonNull());
ColorSpace colorSpace = renderer.style().colorSpace();
context->setFillColor(Color(255, 255, 255), colorSpace);
Path trackPath;
FloatRect trackRect(rect.x() + 0.25, verticalRenderingPosition + 0.25, rect.width() - 0.5, progressBarHeight - 0.5);
FloatSize roundedCornerRadius(5, 4);
trackPath.addRoundedRect(trackRect, roundedCornerRadius);
context->drawPath(trackPath);
// 1.2) Draw top gradient on the upper half. It is supposed to overlay the fill from the background and darker the stroked path.
FloatRect border(rect.x(), rect.y() + verticalOffset, rect.width(), progressBarHeight);
paintInfo.context->clipRoundedRect(FloatRoundedRect(border, roundedCornerRadius, roundedCornerRadius, roundedCornerRadius, roundedCornerRadius));
float upperGradientHeight = progressBarHeight / 2.;
RefPtr<Gradient> upperGradient = Gradient::create(FloatPoint(rect.x(), verticalRenderingPosition + 0.5), FloatPoint(rect.x(), verticalRenderingPosition + upperGradientHeight - 1.5));
upperGradient->addColorStop(0.0, Color(133, 133, 133, 188));
upperGradient->addColorStop(1.0, Color(18, 18, 18, 51));
context->setFillGradient(upperGradient.releaseNonNull());
context->fillRect(FloatRect(rect.x(), verticalRenderingPosition, rect.width(), upperGradientHeight));
const auto& renderProgress = downcast<RenderProgress>(renderer);
if (renderProgress.isDeterminate()) {
// 2) Draw the progress bar.
double position = clampTo(renderProgress.position(), 0.0, 1.0);
double barWidth = position * rect.width();
RefPtr<Gradient> barGradient = Gradient::create(FloatPoint(rect.x(), verticalRenderingPosition + 0.5), FloatPoint(rect.x(), verticalRenderingPosition + progressBarHeight - 1));
barGradient->addColorStop(0.0, Color(195, 217, 247));
barGradient->addColorStop(0.45, Color(118, 164, 228));
barGradient->addColorStop(0.49, Color(118, 164, 228));
barGradient->addColorStop(0.51, Color(36, 114, 210));
barGradient->addColorStop(0.55, Color(36, 114, 210));
barGradient->addColorStop(1.0, Color(57, 142, 244));
context->setFillGradient(barGradient.releaseNonNull());
RefPtr<Gradient> barStrokeGradient = Gradient::create(FloatPoint(rect.x(), verticalRenderingPosition), FloatPoint(rect.x(), verticalRenderingPosition + progressBarHeight - 1));
barStrokeGradient->addColorStop(0.0, Color(95, 107, 183));
barStrokeGradient->addColorStop(0.5, Color(66, 106, 174, 240));
barStrokeGradient->addColorStop(1.0, Color(38, 104, 166));
context->setStrokeGradient(barStrokeGradient.releaseNonNull());
Path barPath;
int left = rect.x();
if (!renderProgress.style().isLeftToRightDirection())
left = rect.maxX() - barWidth;
FloatRect barRect(left + 0.25, verticalRenderingPosition + 0.25, std::max(barWidth - 0.5, 0.0), progressBarHeight - 0.5);
barPath.addRoundedRect(barRect, roundedCornerRadius);
context->drawPath(barPath);
}
return false;
}
#if ENABLE(DATALIST_ELEMENT)
IntSize RenderThemeIOS::sliderTickSize() const
{
// FIXME: <rdar://problem/12271791> MERGEBOT: Correct values for slider tick of <input type="range"> elements (requires ENABLE_DATALIST_ELEMENT)
return IntSize(1, 3);
}
int RenderThemeIOS::sliderTickOffsetFromTrackCenter() const
{
// FIXME: <rdar://problem/12271791> MERGEBOT: Correct values for slider tick of <input type="range"> elements (requires ENABLE_DATALIST_ELEMENT)
return -9;
}
#endif
void RenderThemeIOS::adjustSearchFieldStyle(StyleResolver& selector, RenderStyle& style, Element* element) const
{
RenderTheme::adjustSearchFieldStyle(selector, style, element);
if (!element)
return;
if (!style.hasBorder())
return;
RenderBox* box = element->renderBox();
if (!box)
return;
adjustRoundBorderRadius(style, *box);
}
bool RenderThemeIOS::paintSearchFieldDecorations(const RenderObject& box, const PaintInfo& paintInfo, const IntRect& rect)
{
return paintTextFieldDecorations(box, paintInfo, rect);
}
void RenderThemeIOS::adjustButtonStyle(StyleResolver& selector, RenderStyle& style, Element* element) const
{
RenderTheme::adjustButtonStyle(selector, style, element);
// Set padding: 0 1.0em; on buttons.
// CSSPrimitiveValue::computeLengthInt only needs the element's style to calculate em lengths.
// Since the element might not be in a document, just pass nullptr for the root element style
// and the render view.
RefPtr<CSSPrimitiveValue> emSize = CSSPrimitiveValue::create(1.0, CSSPrimitiveValue::CSS_EMS);
int pixels = emSize->computeLength<int>(CSSToLengthConversionData(&style, nullptr, nullptr, 1.0, false));
style.setPaddingBox(LengthBox(0, pixels, 0, pixels));
if (!element)
return;
RenderBox* box = element->renderBox();
if (!box)
return;
adjustRoundBorderRadius(style, *box);
}
bool RenderThemeIOS::paintButtonDecorations(const RenderObject& box, const PaintInfo& paintInfo, const IntRect& rect)
{
return paintPushButtonDecorations(box, paintInfo, rect);
}
bool RenderThemeIOS::paintPushButtonDecorations(const RenderObject& box, const PaintInfo& paintInfo, const IntRect& rect)
{
GraphicsContextStateSaver stateSaver(*paintInfo.context);
FloatRect clip = addRoundedBorderClip(box, paintInfo.context, rect);
CGContextRef cgContext = paintInfo.context->platformContext();
if (box.style().visitedDependentColor(CSSPropertyBackgroundColor).isDark())
drawAxialGradient(cgContext, gradientWithName(ConvexGradient), clip.location(), FloatPoint(clip.x(), clip.maxY()), LinearInterpolation);
else {
drawAxialGradient(cgContext, gradientWithName(ShadeGradient), clip.location(), FloatPoint(clip.x(), clip.maxY()), LinearInterpolation);
drawAxialGradient(cgContext, gradientWithName(ShineGradient), FloatPoint(clip.x(), clip.maxY()), clip.location(), ExponentialInterpolation);
}
return false;
}
void RenderThemeIOS::setButtonSize(RenderStyle& style) const
{
// If the width and height are both specified, then we have nothing to do.
if (!style.width().isIntrinsicOrAuto() && !style.height().isAuto())
return;
// Use the font size to determine the intrinsic width of the control.
style.setHeight(Length(static_cast<int>(ControlBaseHeight / ControlBaseFontSize * style.fontDescription().computedSize()), Fixed));
}
const int kThumbnailBorderStrokeWidth = 1;
const int kThumbnailBorderCornerRadius = 1;
const int kVisibleBackgroundImageWidth = 1;
const int kMultipleThumbnailShrinkSize = 2;
bool RenderThemeIOS::paintFileUploadIconDecorations(const RenderObject&, const RenderObject& buttonRenderer, const PaintInfo& paintInfo, const IntRect& rect, Icon* icon, FileUploadDecorations fileUploadDecorations)
{
GraphicsContextStateSaver stateSaver(*paintInfo.context);
IntSize cornerSize(kThumbnailBorderCornerRadius, kThumbnailBorderCornerRadius);
Color pictureFrameColor = buttonRenderer.style().visitedDependentColor(CSSPropertyBorderTopColor);
IntRect thumbnailPictureFrameRect = rect;
IntRect thumbnailRect = rect;
thumbnailRect.contract(2 * kThumbnailBorderStrokeWidth, 2 * kThumbnailBorderStrokeWidth);
thumbnailRect.move(kThumbnailBorderStrokeWidth, kThumbnailBorderStrokeWidth);
if (fileUploadDecorations == MultipleFiles) {
// Smaller thumbnails for multiple selection appearance.
thumbnailPictureFrameRect.contract(kMultipleThumbnailShrinkSize, kMultipleThumbnailShrinkSize);
thumbnailRect.contract(kMultipleThumbnailShrinkSize, kMultipleThumbnailShrinkSize);
// Background picture frame and simple background icon with a gradient matching the button.
Color backgroundImageColor = Color(buttonRenderer.style().visitedDependentColor(CSSPropertyBackgroundColor).rgb());
paintInfo.context->fillRoundedRect(FloatRoundedRect(thumbnailPictureFrameRect, cornerSize, cornerSize, cornerSize, cornerSize), pictureFrameColor, ColorSpaceDeviceRGB);
paintInfo.context->fillRect(thumbnailRect, backgroundImageColor, ColorSpaceDeviceRGB);
{
GraphicsContextStateSaver stateSaver2(*paintInfo.context);
CGContextRef cgContext = paintInfo.context->platformContext();
paintInfo.context->clip(thumbnailRect);
if (backgroundImageColor.isDark())
drawAxialGradient(cgContext, gradientWithName(ConvexGradient), thumbnailRect.location(), FloatPoint(thumbnailRect.x(), thumbnailRect.maxY()), LinearInterpolation);
else {
drawAxialGradient(cgContext, gradientWithName(ShadeGradient), thumbnailRect.location(), FloatPoint(thumbnailRect.x(), thumbnailRect.maxY()), LinearInterpolation);
drawAxialGradient(cgContext, gradientWithName(ShineGradient), FloatPoint(thumbnailRect.x(), thumbnailRect.maxY()), thumbnailRect.location(), ExponentialInterpolation);
}
}
// Move the rects for the Foreground picture frame and icon.
int inset = kVisibleBackgroundImageWidth + kThumbnailBorderStrokeWidth;
thumbnailPictureFrameRect.move(inset, inset);
thumbnailRect.move(inset, inset);
}
// Foreground picture frame and icon.
paintInfo.context->fillRoundedRect(FloatRoundedRect(thumbnailPictureFrameRect, cornerSize, cornerSize, cornerSize, cornerSize), pictureFrameColor, ColorSpaceDeviceRGB);
icon->paint(*paintInfo.context, thumbnailRect);
return false;
}
Color RenderThemeIOS::platformActiveSelectionBackgroundColor() const
{
return Color::transparent;
}
Color RenderThemeIOS::platformInactiveSelectionBackgroundColor() const
{
return Color::transparent;
}
bool RenderThemeIOS::shouldShowPlaceholderWhenFocused() const
{
return true;
}
bool RenderThemeIOS::shouldHaveSpinButton(HTMLInputElement&) const
{
return false;
}
bool RenderThemeIOS::shouldHaveCapsLockIndicator(HTMLInputElement&) const
{
return false;
}
static FontWeight fromCTFontWeight(float fontWeight)
{
if (fontWeight <= -0.8)
return FontWeight100;
else if (fontWeight <= -0.4)
return FontWeight200;
else if (fontWeight <= -0.2)
return FontWeight300;
else if (fontWeight <= 0.0)
return FontWeight400;
else if (fontWeight <= 0.2)
return FontWeight500;
else if (fontWeight <= 0.3)
return FontWeight600;
else if (fontWeight <= 0.4)
return FontWeight700;
else if (fontWeight <= 0.6)
return FontWeight800;
else if (fontWeight <= 0.8)
return FontWeight900;
return FontWeightNormal;
}
FontDescription& RenderThemeIOS::cachedSystemFontDescription(CSSValueID valueID) const
{
static NeverDestroyed<FontDescription> systemFont;
static NeverDestroyed<FontDescription> headlineFont;
static NeverDestroyed<FontDescription> bodyFont;
static NeverDestroyed<FontDescription> subheadlineFont;
static NeverDestroyed<FontDescription> footnoteFont;
static NeverDestroyed<FontDescription> caption1Font;
static NeverDestroyed<FontDescription> caption2Font;
static NeverDestroyed<FontDescription> shortHeadlineFont;
static NeverDestroyed<FontDescription> shortBodyFont;
static NeverDestroyed<FontDescription> shortSubheadlineFont;
static NeverDestroyed<FontDescription> shortFootnoteFont;
static NeverDestroyed<FontDescription> shortCaption1Font;
static NeverDestroyed<FontDescription> tallBodyFont;
#if __IPHONE_OS_VERSION_MIN_REQUIRED > 80200
static NeverDestroyed<FontDescription> title1Font;
static NeverDestroyed<FontDescription> title2Font;
static NeverDestroyed<FontDescription> title3Font;
#endif
static CFStringRef userTextSize = contentSizeCategory();
if (userTextSize != contentSizeCategory()) {
userTextSize = contentSizeCategory();
headlineFont.get().setIsAbsoluteSize(false);
bodyFont.get().setIsAbsoluteSize(false);
subheadlineFont.get().setIsAbsoluteSize(false);
footnoteFont.get().setIsAbsoluteSize(false);
caption1Font.get().setIsAbsoluteSize(false);
caption2Font.get().setIsAbsoluteSize(false);
shortHeadlineFont.get().setIsAbsoluteSize(false);
shortBodyFont.get().setIsAbsoluteSize(false);
shortSubheadlineFont.get().setIsAbsoluteSize(false);
shortFootnoteFont.get().setIsAbsoluteSize(false);
shortCaption1Font.get().setIsAbsoluteSize(false);
tallBodyFont.get().setIsAbsoluteSize(false);
}
switch (valueID) {
case CSSValueAppleSystemHeadline:
return headlineFont;
case CSSValueAppleSystemBody:
return bodyFont;
#if __IPHONE_OS_VERSION_MIN_REQUIRED > 80200
case CSSValueAppleSystemTitle1:
return title1Font;
case CSSValueAppleSystemTitle2:
return title2Font;
case CSSValueAppleSystemTitle3:
return title3Font;
#endif
case CSSValueAppleSystemSubheadline:
return subheadlineFont;
case CSSValueAppleSystemFootnote:
return footnoteFont;
case CSSValueAppleSystemCaption1:
return caption1Font;
case CSSValueAppleSystemCaption2:
return caption2Font;
// Short version.
case CSSValueAppleSystemShortHeadline:
return shortHeadlineFont;
case CSSValueAppleSystemShortBody:
return shortBodyFont;
case CSSValueAppleSystemShortSubheadline:
return shortSubheadlineFont;
case CSSValueAppleSystemShortFootnote:
return shortFootnoteFont;
case CSSValueAppleSystemShortCaption1:
return shortCaption1Font;
// Tall version.
case CSSValueAppleSystemTallBody:
return tallBodyFont;
default:
return systemFont;
}
}
void RenderThemeIOS::updateCachedSystemFontDescription(CSSValueID valueID, FontDescription& fontDescription) const
{
RetainPtr<CTFontDescriptorRef> fontDescriptor;
CFStringRef textStyle;
switch (valueID) {
case CSSValueAppleSystemHeadline:
textStyle = kCTUIFontTextStyleHeadline;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemBody:
textStyle = kCTUIFontTextStyleBody;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
#if __IPHONE_OS_VERSION_MIN_REQUIRED >= 90000
case CSSValueAppleSystemTitle1:
textStyle = kCTUIFontTextStyleTitle1;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemTitle2:
textStyle = kCTUIFontTextStyleTitle2;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemTitle3:
textStyle = kCTUIFontTextStyleTitle3;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
#endif
case CSSValueAppleSystemSubheadline:
textStyle = kCTUIFontTextStyleSubhead;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemFootnote:
textStyle = kCTUIFontTextStyleFootnote;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemCaption1:
textStyle = kCTUIFontTextStyleCaption1;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemCaption2:
textStyle = kCTUIFontTextStyleCaption2;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
// Short version.
case CSSValueAppleSystemShortHeadline:
textStyle = kCTUIFontTextStyleShortHeadline;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemShortBody:
textStyle = kCTUIFontTextStyleShortBody;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemShortSubheadline:
textStyle = kCTUIFontTextStyleShortSubhead;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemShortFootnote:
textStyle = kCTUIFontTextStyleShortFootnote;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
case CSSValueAppleSystemShortCaption1:
textStyle = kCTUIFontTextStyleShortCaption1;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
// Tall version.
case CSSValueAppleSystemTallBody:
textStyle = kCTUIFontTextStyleTallBody;
fontDescriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(textStyle, contentSizeCategory(), 0));
break;
default:
textStyle = kCTFontDescriptorTextStyleEmphasized;
fontDescriptor = adoptCF(CTFontDescriptorCreateForUIType(kCTFontUIFontSystem, 0, nullptr));
}
ASSERT(fontDescriptor);
RetainPtr<CTFontRef> font = adoptCF(CTFontCreateWithFontDescriptor(fontDescriptor.get(), 0, nullptr));
font = applyFontFeatureSettings(font.get(), nullptr, nullptr, fontDescription.featureSettings(), fontDescription.variantSettings());
fontDescription.setIsAbsoluteSize(true);
fontDescription.setOneFamily(textStyle);
fontDescription.setSpecifiedSize(CTFontGetSize(font.get()));
fontDescription.setWeight(fromCTFontWeight(FontCache::weightOfCTFont(font.get())));
fontDescription.setItalic(FontItalicOff);
}
#if ENABLE(VIDEO)
String RenderThemeIOS::mediaControlsStyleSheet()
{
#if ENABLE(MEDIA_CONTROLS_SCRIPT)
if (m_mediaControlsStyleSheet.isEmpty()) {
StringBuilder builder;
builder.append([NSString stringWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreRenderThemeBundle class]] pathForResource:@"mediaControlsiOS" ofType:@"css"] encoding:NSUTF8StringEncoding error:nil]);
m_mediaControlsStyleSheet = builder.toString();
}
return m_mediaControlsStyleSheet;
#else
return emptyString();
#endif
}
String RenderThemeIOS::mediaControlsScript()
{
#if ENABLE(MEDIA_CONTROLS_SCRIPT)
if (m_mediaControlsScript.isEmpty()) {
StringBuilder scriptBuilder;
scriptBuilder.append([NSString stringWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreRenderThemeBundle class]] pathForResource:@"mediaControlsLocalizedStrings" ofType:@"js"] encoding:NSUTF8StringEncoding error:nil]);
scriptBuilder.append([NSString stringWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreRenderThemeBundle class]] pathForResource:@"mediaControlsApple" ofType:@"js"] encoding:NSUTF8StringEncoding error:nil]);
scriptBuilder.append([NSString stringWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreRenderThemeBundle class]] pathForResource:@"mediaControlsiOS" ofType:@"js"] encoding:NSUTF8StringEncoding error:nil]);
m_mediaControlsScript = scriptBuilder.toString();
}
return m_mediaControlsScript;
#else
return emptyString();
#endif
}
#endif // ENABLE(VIDEO)
Color RenderThemeIOS::systemColor(CSSValueID cssValueID) const
{
auto addResult = m_systemColorCache.add(cssValueID, Color());
if (!addResult.isNewEntry)
return addResult.iterator->value;
Color color;
switch (cssValueID) {
case CSSValueAppleWirelessPlaybackTargetActive:
color = [getUIColorClass() systemBlueColor].CGColor;
break;
case CSSValueAppleSystemBlue:
color = [getUIColorClass() systemBlueColor].CGColor;
break;
case CSSValueAppleSystemGray:
color = [getUIColorClass() systemGrayColor].CGColor;
break;
case CSSValueAppleSystemGreen:
color = [getUIColorClass() systemGreenColor].CGColor;
break;
case CSSValueAppleSystemOrange:
color = [getUIColorClass() systemOrangeColor].CGColor;
break;
case CSSValueAppleSystemPink:
color = [getUIColorClass() systemPinkColor].CGColor;
break;
case CSSValueAppleSystemRed:
color = [getUIColorClass() systemRedColor].CGColor;
break;
case CSSValueAppleSystemYellow:
color = [getUIColorClass() systemYellowColor].CGColor;
break;
default:
break;
}
if (!color.isValid())
color = RenderTheme::systemColor(cssValueID);
addResult.iterator->value = color;
return addResult.iterator->value;
}
}
#endif //PLATFORM(IOS)