public Value computeValue(CSSStylableElement elt, CSSEngine engine, int idx, Value value) {
IStyle cs = elt.getComputedStyle();
CSSValue borderStyle = null;
switch (idx) {
case IStyle.STYLE_BORDER_TOP_WIDTH:
borderStyle = cs.getProperty(IStyle.STYLE_BORDER_TOP_STYLE);
break;
case IStyle.STYLE_BORDER_BOTTOM_WIDTH:
borderStyle = cs.getProperty(IStyle.STYLE_BORDER_BOTTOM_STYLE);
break;
case IStyle.STYLE_BORDER_LEFT_WIDTH:
borderStyle = cs.getProperty(IStyle.STYLE_BORDER_LEFT_STYLE);
break;
case IStyle.STYLE_BORDER_RIGHT_WIDTH:
borderStyle = cs.getProperty(IStyle.STYLE_BORDER_RIGHT_STYLE);
break;
}
if (borderStyle == CSSValueConstants.NONE_VALUE
|| borderStyle == CSSValueConstants.HIDDEN_VALUE) {
return CSSValueConstants.NUMBER_0;
}
if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
if (value.getPrimitiveType() == CSSPrimitiveValue.CSS_IDENT) {
String ident = value.getStringValue();
Value cv = (Value) computedValues.get(ident);
if (cv != null) {
value = cv;
}
}
}
return super.computeValue(elt, engine, idx, value);
}
/**
* Implements {@link
* ValueManager#computeValue(CSSStylableElement,String,CSSEngine,int,StyleMap,Value)}.
*/
public Value computeValue(CSSStylableElement elt, CSSEngine engine, int idx, Value value) {
CSSContext ctx = engine.getCSSContext();
float fs = ctx.getMediumFontSize();
// absolute size
if (value == CSSValueConstants.XX_SMALL_VALUE) {
return new FloatValue(CSSPrimitiveValue.CSS_PT, fs / 1.2f / 1.2f / 1.2f);
}
if (value == CSSValueConstants.X_SMALL_VALUE) {
return new FloatValue(CSSPrimitiveValue.CSS_PT, fs / 1.2f / 1.2f);
}
if (value == CSSValueConstants.SMALL_VALUE) {
return new FloatValue(CSSPrimitiveValue.CSS_PT, fs / 1.2f);
}
if (value == CSSValueConstants.MEDIUM_VALUE) {
return new FloatValue(CSSPrimitiveValue.CSS_PT, fs);
}
if (value == CSSValueConstants.LARGE_VALUE) {
return new FloatValue(CSSPrimitiveValue.CSS_PT, fs * 1.2f);
}
if (value == CSSValueConstants.X_LARGE_VALUE) {
return new FloatValue(CSSPrimitiveValue.CSS_PT, fs * 1.2f * 1.2f);
}
if (value == CSSValueConstants.XX_LARGE_VALUE) {
return new FloatValue(CSSPrimitiveValue.CSS_PT, fs * 1.2f * 1.2f * 1.2f);
}
float scale = 1.0f;
boolean doParentRelative = false;
// relative size
if (value == CSSValueConstants.SMALLER_VALUE) {
doParentRelative = true;
scale = 1.0f / 1.2f;
} else if (value == CSSValueConstants.LARGER_VALUE) {
doParentRelative = true;
scale = 1.2f;
} else if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
// relative length && percentage
switch (value.getPrimitiveType()) {
case CSSPrimitiveValue.CSS_EMS:
doParentRelative = true;
scale = value.getFloatValue();
break;
case CSSPrimitiveValue.CSS_EXS:
doParentRelative = true;
scale = value.getFloatValue() * 0.5f;
break;
case CSSPrimitiveValue.CSS_PERCENTAGE:
doParentRelative = true;
scale = value.getFloatValue() * 0.01f;
break;
}
}
if (doParentRelative) {
CSSStylableElement parent = (CSSStylableElement) elt.getParent();
if (parent != null) {
IStyle style = parent.getComputedStyle();
if (style != null) {
Value fontSize = (Value) style.getProperty(IStyle.STYLE_FONT_SIZE);
if (fontSize != null) {
fs = fontSize.getFloatValue();
return new FloatValue(fontSize.getPrimitiveType(), fs * scale);
}
}
}
return new FloatValue(CSSPrimitiveValue.CSS_PT, fs * scale);
}
if (value.getPrimitiveType() == CSSPrimitiveValue.CSS_NUMBER) {
return super.computeValue(
elt, engine, idx, new FloatValue(CSSPrimitiveValue.CSS_PT, value.getFloatValue()));
}
return super.computeValue(elt, engine, idx, value);
}