org.w3c.css.properties.aural.ACssPitchRange Maven / Gradle / Ivy
//
// $Id: ACssPitchRange.java,v 1.4 2010-01-05 13:49:36 ylafon Exp $
// From Philippe Le Hegaret ([email protected])
//
// (c) COPYRIGHT MIT and INRIA, 1997.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.aural;
import org.w3c.css.parser.CssStyle;
import org.w3c.css.properties.css.CssProperty;
import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssNumber;
import org.w3c.css.values.CssValue;
/**
* 'pitch-range' (could be
* combined with 'pitch' ?) or 'inflection'
*
*
* Value: <number>|inherit
* Initial:50%
* Applies to: all elements
* Inherited: yes
* Percentage values: relative to..
*
*
Specifies variation in average pitch. A pitch range of 0% produces
* a flat, monotonic voice. A pitch range of 50% produces normal
* inflection. Pitch ranges greater than 50% produce animated voices.
*
*
* @version $Revision: 1.4 $
*/
public class ACssPitchRange extends ACssProperty {
CssValue value;
static CssValue DefaultValue = new CssNumber(null, 50);
/**
* Create a new ACssPitchRange
*/
public ACssPitchRange() {
value = DefaultValue;
}
/**
* Creates a new ACssPitchRange
* @param expression The expression for this property
* @exception InvalidParamException Values are incorrect
*/
public ACssPitchRange(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
this();
if(check && expression.getCount() > 1) {
throw new InvalidParamException("unrecognize", ac);
}
CssValue val = expression.getValue();
int index;
setByUser();
if (val.equals(inherit)) {
value = inherit;
expression.next();
return;
} else if (val instanceof CssNumber) {
float f = ((CssNumber) val).getValue();
if ((f < 0) || (f > 100)) {
throw new InvalidParamException("range", null, ac);
}
value = val;
expression.next();
return;
}
throw new InvalidParamException("value",
expression.getValue().toString(),
getPropertyName(), ac);
}
public ACssPitchRange(ApplContext ac, CssExpression expression)
throws InvalidParamException {
this(ac, expression, false);
}
/**
* Returns the value of this property
*/
public Object get() {
return value;
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "pitch-range";
}
/**
* Returns true if this property is "softly" inherited
* e.g. his value is equals to inherit
*/
public boolean isSoftlyInherited() {
return value.equals(inherit);
}
/**
* Returns a string representation of the object.
*/
public String toString() {
return value.toString();
}
/**
* Add this property to the CssStyle.
*
* @param style The CssStyle
*/
public void addToStyle(ApplContext ac, CssStyle style) {
if (((ACssStyle) style).acssPitchRange != null)
style.addRedefinitionWarning(ac, this);
((ACssStyle) style).acssPitchRange = this;
}
/**
* Compares two properties for equality.
*
* @param property The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof ACssPitchRange &&
value.equals(((ACssPitchRange) property).value));
}
/**
* Get this property in the style.
*
* @param style The style where the property is
* @param resolve if true, resolve the style to find this property
*/
public CssProperty getPropertyInStyle(CssStyle style, boolean resolve) {
if (resolve) {
return ((ACssStyle) style).getPitchRange();
} else {
return ((ACssStyle) style).acssPitchRange;
}
}
}