Source/core/svg/SVGAngleTearOff.cpp

/*
 * Copyright (C) 2014 Google Inc. All rights reserved.
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#include "config.h"
#include "core/svg/SVGAngleTearOff.h"

#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/ExceptionStatePlaceholder.h"
#include "core/dom/ExceptionCode.h"

namespace blink {

SVGAngleTearOff::SVGAngleTearOff(PassRefPtr<SVGAngle> targetProperty, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName)
    : SVGPropertyTearOff<SVGAngle>(targetProperty, contextElement, propertyIsAnimVal, attributeName)
{
    ScriptWrappable::init(this);
}

SVGAngleTearOff::~SVGAngleTearOff()
{
}

void SVGAngleTearOff::setValue(float value, ExceptionState& exceptionState)
{
    if (isImmutable()) {
        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
        return;
    }

    target()->setValue(value);
    commitChange();
}

void SVGAngleTearOff::setValueInSpecifiedUnits(float value, ExceptionState& exceptionState)
{
    if (isImmutable()) {
        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
        return;
    }

    target()->setValueInSpecifiedUnits(value);
    commitChange();
}

void SVGAngleTearOff::newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits, ExceptionState& exceptionState)
{
    if (isImmutable()) {
        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
        return;
    }

    if (unitType == SVGAngle::SVG_ANGLETYPE_UNKNOWN || unitType > SVGAngle::SVG_ANGLETYPE_GRAD) {
        exceptionState.throwDOMException(NotSupportedError, "Cannot set value with unknown or invalid units (" + String::number(unitType) + ").");
        return;
    }

    target()->newValueSpecifiedUnits(static_cast<SVGAngle::SVGAngleType>(unitType), valueInSpecifiedUnits);
    commitChange();
}

void SVGAngleTearOff::convertToSpecifiedUnits(unsigned short unitType, ExceptionState& exceptionState)
{
    if (isImmutable()) {
        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
        return;
    }

    if (unitType == SVGAngle::SVG_ANGLETYPE_UNKNOWN || unitType > SVGAngle::SVG_ANGLETYPE_GRAD) {
        exceptionState.throwDOMException(NotSupportedError, "Cannot convert to unknown or invalid units (" + String::number(unitType) + ").");
        return;
    }

    target()->convertToSpecifiedUnits(static_cast<SVGAngle::SVGAngleType>(unitType), exceptionState);
    if (!exceptionState.hadException())
        commitChange();
}

void SVGAngleTearOff::setValueAsString(const String& value, ExceptionState& exceptionState)
{
    if (isImmutable()) {
        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
        return;
    }

    String oldValue = target()->valueAsString();

    target()->setValueAsString(value, exceptionState);

    if (!exceptionState.hadException() && !hasExposedAngleUnit()) {
        target()->setValueAsString(oldValue, ASSERT_NO_EXCEPTION); // rollback to old value
        exceptionState.throwDOMException(SyntaxError, "The value provided ('" + value + "') is invalid.");
        return;
    }

    commitChange();
}

}