C++ (Cpp) MediaValues::pointer示例

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#2

显示文件

文件： MediaQueryEvaluator.cpp 项目： Drakey83/steamlink-sdk

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);
}