本文整理汇总了C++中MediaValues类的典型用法代码示例。如果您正苦于以下问题：C++ MediaValues类的具体用法？C++ MediaValues怎么用？C++ MediaValues使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了MediaValues类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: transform3dMediaFeatureEval
static bool transform3dMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix op, const MediaValues& mediaValues)
{
UseCounter::count(mediaValues.document(), UseCounter::PrefixedTransform3dMediaFeature);
bool returnValueIfNoParameter;
int have3dRendering;
bool threeDEnabled = mediaValues.threeDEnabled();
returnValueIfNoParameter = threeDEnabled;
have3dRendering = threeDEnabled ? 1 : 0;
if (value.isValid()) {
float number;
return numberValue(value, number) && compareValue(have3dRendering, static_cast<int>(number), op);
}
return returnValueIfNoParameter;
}示例2: colorMediaFeatureEval
static bool colorMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix op, const MediaValues& mediaValues)
{
float number;
int bitsPerComponent = mediaValues.colorBitsPerComponent();
if (value.isValid())
return numberValue(value, number) && compareValue(bitsPerComponent, static_cast<int>(number), op);
return bitsPerComponent != 0;
}示例3: deviceWidthMediaFeatureEval
static bool deviceWidthMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix op, const MediaValues& mediaValues)
{
if (value.isValid())
return computeLengthAndCompare(value, op, mediaValues, mediaValues.deviceWidth());
// ({,min-,max-}device-width)
// assume if we have a device, assume non-zero
return true;
}示例4: heightMediaFeatureEval
static bool heightMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix op, const MediaValues& mediaValues)
{
int height = mediaValues.viewportHeight();
if (value.isValid()) {
int length;
return computeLength(value, mediaValues, length) && compareValue(height, length, op);
}
return height;
}示例5: widthMediaFeatureEval
static bool widthMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix op, const MediaValues& mediaValues)
{
int width = mediaValues.viewportWidth();
if (value.isValid()) {
int length;
return computeLength(value, mediaValues, length) && compareValue(width, length, op);
}
return width;
}示例6: monochromeMediaFeatureEval
static bool monochromeMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix op, const MediaValues& mediaValues)
{
if (!mediaValues.monochromeBitsPerComponent()) {
if (value.isValid()) {
float number;
return numberValue(value, number) && compareValue(0, static_cast<int>(number), op);
}
return false;
}
return colorMediaFeatureEval(value, op, mediaValues);
}示例7: pointerMediaFeatureEval
static bool pointerMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix, const MediaValues& mediaValues)
{
PointerType pointer = mediaValues.primaryPointerType();
if (!value.isValid())
return pointer != PointerTypeNone;
if (!value.isID)
return false;
return (pointer == PointerTypeNone && value.id == CSSValueNone)
|| (pointer == PointerTypeCoarse && value.id == CSSValueCoarse)
|| (pointer == PointerTypeFine && value.id == CSSValueFine);
}示例8: hoverMediaFeatureEval
static bool hoverMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix, const MediaValues& mediaValues)
{
HoverType hover = mediaValues.primaryHoverType();
if (!value.isValid())
return hover != HoverTypeNone;
if (!value.isID)
return false;
return (hover == HoverTypeNone && value.id == CSSValueNone)
|| (hover == HoverTypeOnDemand && value.id == CSSValueOnDemand)
|| (hover == HoverTypeHover && value.id == CSSValueHover);
}示例9: scanMediaFeatureEval
static bool scanMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix, const MediaValues& mediaValues)
{
if (!mediaValues.scanMediaType())
return false;
if (!value.isValid())
return true;
if (!value.isID)
return false;
// If a platform interface supplies progressive/interlace info for TVs in the
// future, it needs to be handled here. For now, assume a modern TV with
// progressive display.
return (value.id == CSSValueProgressive);
}示例10: displayModeMediaFeatureEval
static bool displayModeMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix, const MediaValues& mediaValues)
{
if (!value.isID)
return false;
WebDisplayMode mode = mediaValues.displayMode();
switch (value.id) {
case CSSValueFullscreen:
return mode == WebDisplayModeFullscreen;
case CSSValueStandalone:
return mode == WebDisplayModeStandalone;
case CSSValueMinimalUi:
return mode == WebDisplayModeMinimalUi;
case CSSValueBrowser:
return mode == WebDisplayModeBrowser;
default:
ASSERT_NOT_REACHED();
return false;
}
}示例11: pointerMediaFeatureEval
static bool pointerMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix, const MediaValues& mediaValues)
{
MediaValues::PointerDeviceType pointer = mediaValues.pointer();
// If we're on a port that hasn't explicitly opted into providing pointer device information
// (or otherwise can't be confident in the pointer hardware available), then behave exactly
// as if this feature feature isn't supported.
if (pointer == MediaValues::UnknownPointer)
return false;
if (!value.isValid())
return pointer != MediaValues::NoPointer;
if (!value.isID)
return false;
return (pointer == MediaValues::NoPointer && value.id == CSSValueNone)
|| (pointer == MediaValues::TouchPointer && value.id == CSSValueCoarse)
|| (pointer == MediaValues::MousePointer && value.id == CSSValueFine);
}示例12: hoverMediaFeatureEval
static bool hoverMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix, const MediaValues& mediaValues)
{
MediaValues::PointerDeviceType pointer = mediaValues.pointer();
// If we're on a port that hasn't explicitly opted into providing pointer device information
// (or otherwise can't be confident in the pointer hardware available), then behave exactly
// as if this feature feature isn't supported.
if (pointer == MediaValues::UnknownPointer)
return false;
float number = 1;
if (value.isValid()) {
if (!numberValue(value, number))
return false;
}
return (pointer == MediaValues::NoPointer && !number)
|| (pointer == MediaValues::TouchPointer && !number)
|| (pointer == MediaValues::MousePointer && number == 1);
}示例13: anyHoverMediaFeatureEval
static bool anyHoverMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix, const MediaValues& mediaValues)
{
int availableHoverTypes = mediaValues.availableHoverTypes();
if (!value.isValid())
return availableHoverTypes & ~HoverTypeNone;
if (!value.isID)
return false;
switch (value.id) {
case CSSValueNone:
return availableHoverTypes & HoverTypeNone;
case CSSValueOnDemand:
return availableHoverTypes & HoverTypeOnDemand;
case CSSValueHover:
return availableHoverTypes & HoverTypeHover;
default:
ASSERT_NOT_REACHED();
return false;
}
}示例14: anyPointerMediaFeatureEval
static bool anyPointerMediaFeatureEval(const MediaQueryExpValue& value, MediaFeaturePrefix, const MediaValues& mediaValues)
{
int availablePointers = mediaValues.availablePointerTypes();
if (!value.isValid())
return availablePointers & ~PointerTypeNone;
if (!value.isID)
return false;
switch (value.id) {
case CSSValueCoarse:
return availablePointers & PointerTypeCoarse;
case CSSValueFine:
return availablePointers & PointerTypeFine;
case CSSValueNone:
return availablePointers & PointerTypeNone;
default:
ASSERT_NOT_REACHED();
return false;
}
}示例15:
MediaQueryEvaluator::MediaQueryEvaluator(const String& acceptedMediaType, const MediaValues& mediaValues)
: m_mediaType(acceptedMediaType)
, m_expectedResult(false) // Doesn't matter when we have mediaValues.
, m_mediaValues(mediaValues.copy())
{
}