NS_IMETHODIMP
nsSVGPatternFrame::AttributeChanged(PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType)
{
if (aNameSpaceID == kNameSpaceID_None &&
(aAttribute == nsGkAtoms::patternUnits ||
aAttribute == nsGkAtoms::patternContentUnits ||
aAttribute == nsGkAtoms::patternTransform ||
aAttribute == nsGkAtoms::x ||
aAttribute == nsGkAtoms::y ||
aAttribute == nsGkAtoms::width ||
aAttribute == nsGkAtoms::height ||
aAttribute == nsGkAtoms::preserveAspectRatio ||
aAttribute == nsGkAtoms::viewBox)) {
WillModify();
DidModify();
return NS_OK;
}
if (aNameSpaceID == kNameSpaceID_XLink &&
aAttribute == nsGkAtoms::href) {
if (mNextPattern)
mNextPattern->RemoveObserver(this);
mNextPattern = nsnull;
WillModify();
DidModify();
return NS_OK;
}
return nsSVGPatternFrameBase::AttributeChanged(aNameSpaceID,
aAttribute, aModType);
}
/* void setSkewY (in float angle); */
NS_IMETHODIMP nsSVGTransform::SetSkewY(float angle)
{
NS_ENSURE_FINITE(angle, NS_ERROR_ILLEGAL_VALUE);
float ta = static_cast<float>(tan(angle * radPerDegree));
NS_ENSURE_FINITE(ta, NS_ERROR_DOM_SVG_INVALID_VALUE_ERR);
WillModify();
mType = SVG_TRANSFORM_SKEWY;
mAngle = angle;
NS_REMOVE_SVGVALUE_OBSERVER(mMatrix);
mMatrix->SetA(1.0f);
mMatrix->SetB(ta);
mMatrix->SetC(0.0f);
mMatrix->SetD(1.0f);
mMatrix->SetE(0.0f);
mMatrix->SetF(0.0f);
NS_ADD_SVGVALUE_OBSERVER(mMatrix);
DidModify();
return NS_OK;
}
NS_IMETHODIMP
nsSVGAnimatedAngle::WillModifySVGObservable(nsISVGValue* observable,
modificationType aModType)
{
WillModify(aModType);
return NS_OK;
}
/* void clear (); */
NS_IMETHODIMP nsSVGTransformList::Clear()
{
WillModify();
ReleaseTransforms();
DidModify();
return NS_OK;
}
/* void setRotate (in float angle, in float cx, in float cy); */
NS_IMETHODIMP nsSVGTransform::SetRotate(float angle, float cx, float cy)
{
NS_ENSURE_FINITE3(angle, cx, cy, NS_ERROR_ILLEGAL_VALUE);
WillModify();
mType = SVG_TRANSFORM_ROTATE;
mAngle = angle;
mOriginX = cx;
mOriginY = cy;
gfxMatrix matrix(1, 0, 0, 1, cx, cy);
matrix.Rotate(angle * radPerDegree);
matrix.Translate(gfxPoint(-cx, -cy));
NS_REMOVE_SVGVALUE_OBSERVER(mMatrix);
mMatrix->SetA(static_cast<float>(matrix.xx));
mMatrix->SetB(static_cast<float>(matrix.yx));
mMatrix->SetC(static_cast<float>(matrix.xy));
mMatrix->SetD(static_cast<float>(matrix.yy));
mMatrix->SetE(static_cast<float>(matrix.x0));
mMatrix->SetF(static_cast<float>(matrix.y0));
NS_ADD_SVGVALUE_OBSERVER(mMatrix);
DidModify();
return NS_OK;
}
/* void setMatrix (in nsIDOMSVGMatrix matrix); */
NS_IMETHODIMP nsSVGTransform::SetMatrix(nsIDOMSVGMatrix *matrix)
{
float a, b, c, d, e, f;
if (!matrix)
return NS_ERROR_DOM_SVG_WRONG_TYPE_ERR;
WillModify();
mType = SVG_TRANSFORM_MATRIX;
mAngle = 0.0f;
matrix->GetA(&a);
matrix->GetB(&b);
matrix->GetC(&c);
matrix->GetD(&d);
matrix->GetE(&e);
matrix->GetF(&f);
NS_REMOVE_SVGVALUE_OBSERVER(mMatrix);
mMatrix->SetA(a);
mMatrix->SetB(b);
mMatrix->SetC(c);
mMatrix->SetD(d);
mMatrix->SetE(e);
mMatrix->SetF(f);
NS_ADD_SVGVALUE_OBSERVER(mMatrix);
DidModify();
return NS_OK;
}
NS_IMETHODIMP nsSVGNumber::SetValue(float aValue)
{
WillModify();
mValue = aValue;
DidModify();
return NS_OK;
}
NS_IMETHODIMP
nsSVGTransformList::WillModifySVGObservable(nsISVGValue* observable,
modificationType aModType)
{
WillModify(aModType);
return NS_OK;
}
/* void clear (); */
NS_IMETHODIMP nsSVGPathSegList::Clear()
{
WillModify();
ReleaseSegments();
DidModify();
return NS_OK;
}
/* void clear (); */
NS_IMETHODIMP nsSVGLengthList::Clear()
{
WillModify();
ReleaseLengths();
DidModify();
return NS_OK;
}
NS_INTERFACE_MAP_END
//----------------------------------------------------------------------
// nsISVGValue methods:
NS_IMETHODIMP
nsSVGTransformList::SetValueString(const nsAString& aValue)
{
// XXX: we don't implement the _exact_ BNF given in the
// specs.
nsresult rv = NS_OK;
// parse transform attribute value
nsCOMArray<nsIDOMSVGTransform> xforms;
nsSVGTransformListParser parser(&xforms);
rv = parser.Parse(aValue);
if (NS_FAILED(rv)) {
// there was a parse error.
rv = NS_ERROR_FAILURE;
}
else {
WillModify();
ReleaseTransforms();
PRInt32 count = xforms.Count();
for (PRInt32 i=0; i<count; ++i) {
AppendElement(xforms.ObjectAt(i));
}
DidModify();
}
return rv;
}
//----------------------------------------------------------------------
// nsISVGValueObserver methods:
NS_IMETHODIMP
nsSVGPatternFrame::WillModifySVGObservable(nsISVGValue* observable,
modificationType aModType)
{
WillModify(aModType);
return NS_OK;
}
NS_IMETHODIMP
nsSVGPatternFrame::DidSetStyleContext()
{
WillModify();
DidModify();
return NS_OK;
}
NS_IMETHODIMP
nsSVGLength::SetValueAsString(const nsAString & aValueAsString)
{
nsresult rv = NS_OK;
char *str = ToNewCString(aValueAsString);
char* number = str;
while (*number && isspace(*number))
++number;
if (*number) {
char *rest;
float value = float(PR_strtod(number, &rest));
if (rest!=number) {
const char* unitStr = nsCRT::strtok(rest, "\x20\x9\xD\xA", &rest);
PRUint16 unitType = SVG_LENGTHTYPE_UNKNOWN;
if (!unitStr || *unitStr=='\0') {
unitType = SVG_LENGTHTYPE_NUMBER;
} else {
nsCOMPtr<nsIAtom> unitAtom = do_GetAtom(unitStr);
if (unitAtom == nsGkAtoms::px)
unitType = SVG_LENGTHTYPE_PX;
else if (unitAtom == nsGkAtoms::mm)
unitType = SVG_LENGTHTYPE_MM;
else if (unitAtom == nsGkAtoms::cm)
unitType = SVG_LENGTHTYPE_CM;
else if (unitAtom == nsGkAtoms::in)
unitType = SVG_LENGTHTYPE_IN;
else if (unitAtom == nsGkAtoms::pt)
unitType = SVG_LENGTHTYPE_PT;
else if (unitAtom == nsGkAtoms::pc)
unitType = SVG_LENGTHTYPE_PC;
else if (unitAtom == nsGkAtoms::em)
unitType = SVG_LENGTHTYPE_EMS;
else if (unitAtom == nsGkAtoms::ex)
unitType = SVG_LENGTHTYPE_EXS;
else if (unitAtom == nsGkAtoms::percentage)
unitType = SVG_LENGTHTYPE_PERCENTAGE;
}
if (IsValidUnitType(unitType) && NS_FloatIsFinite(value)) {
WillModify();
mValueInSpecifiedUnits = value;
mSpecifiedUnitType = unitType;
DidModify();
} else { // parse error
// not a valid unit type
rv = NS_ERROR_DOM_SYNTAX_ERR;
}
}
else { // parse error
// no number
rv = NS_ERROR_DOM_SYNTAX_ERR;
}
}
nsMemory::Free(str);
return rv;
}
NS_INTERFACE_MAP_END
//----------------------------------------------------------------------
// nsISVGValue methods:
NS_IMETHODIMP
nsSVGPathSegList::SetValueString(const nsAString& aValue)
{
nsresult rv;
WillModify();
ReleaseSegments(PR_FALSE);
nsSVGPathDataParserToDOM parser(&mSegments);
rv = parser.Parse(aValue);
PRInt32 count = mSegments.Count();
for (PRInt32 i=0; i<count; ++i) {
nsSVGPathSeg* seg = static_cast<nsSVGPathSeg*>(mSegments.ObjectAt(i));
seg->SetCurrentList(this);
}
if (NS_FAILED(rv)) {
NS_ERROR("path data parse error!");
ReleaseSegments(PR_FALSE);
}
DidModify();
return rv;
}
NS_IMETHODIMP nsSVGRect::SetWidth(float aWidth)
{
NS_ENSURE_FINITE(aWidth, NS_ERROR_ILLEGAL_VALUE);
WillModify();
mWidth = aWidth;
DidModify();
return NS_OK;
}
NS_IMETHODIMP nsSVGRect::SetX(float aX)
{
NS_ENSURE_FINITE(aX, NS_ERROR_ILLEGAL_VALUE);
WillModify();
mX = aX;
DidModify();
return NS_OK;
}
NS_IMETHODIMP nsSVGRect::SetY(float aY)
{
NS_ENSURE_FINITE(aY, NS_ERROR_ILLEGAL_VALUE);
WillModify();
mY = aY;
DidModify();
return NS_OK;
}
NS_IMETHODIMP nsSVGRect::SetHeight(float aHeight)
{
NS_ENSURE_FINITE(aHeight, NS_ERROR_ILLEGAL_VALUE);
WillModify();
mHeight = aHeight;
DidModify();
return NS_OK;
}
nsSVGPatternFrame::~nsSVGPatternFrame()
{
WillModify(mod_die);
if (mNextPattern)
mNextPattern->RemoveObserver(this);
// Notify the world that we're dying
DidModify(mod_die);
}
void
nsSVGPathSegList::RemoveElementAt(PRInt32 index)
{
WillModify();
nsSVGPathSeg* seg = static_cast<nsSVGPathSeg*>(mSegments.ObjectAt(index));
seg->SetCurrentList(nsnull);
mSegments.RemoveObjectAt(index);
DidModify();
}
NS_IMETHODIMP
nsSVGLength::SetValueInSpecifiedUnits(float aValueInSpecifiedUnits)
{
NS_ENSURE_FINITE(aValueInSpecifiedUnits, NS_ERROR_ILLEGAL_VALUE);
WillModify();
mValueInSpecifiedUnits = aValueInSpecifiedUnits;
DidModify();
return NS_OK;
}
void
nsSVGPathSegList::AppendElement(nsIDOMSVGPathSeg* aElement)
{
WillModify();
NS_ADDREF(aElement);
mSegments.AppendElement((void*)aElement);
nsCOMPtr<nsISVGValue> val = do_QueryInterface(aElement);
if (val)
val->AddObserver(this);
DidModify();
}
void
nsSVGPathSegList::InsertElementAt(nsSVGPathSeg* aElement, PRInt32 index)
{
WillModify();
// XXX: we should only remove an item from its current list if we
// successfully added it to this list
RemoveFromCurrentList(aElement);
mSegments.InsertObjectAt(aElement, index);
aElement->SetCurrentList(this);
DidModify();
}
void
nsSVGPathSegList::AppendElement(nsSVGPathSeg* aElement)
{
WillModify();
// XXX: we should only remove an item from its current list if we
// successfully added it to this list
RemoveFromCurrentList(aElement);
mSegments.AppendObject(aElement);
aElement->SetCurrentList(this);
DidModify();
}
void
nsSVGPathSegList::InsertElementAt(nsIDOMSVGPathSeg* aElement, PRInt32 index)
{
WillModify();
NS_ADDREF(aElement);
mSegments.InsertElementAt((void*)aElement, index);
nsCOMPtr<nsISVGValue> val = do_QueryInterface(aElement);
if (val)
val->AddObserver(this);
DidModify();
}
void
nsSVGLengthList::RemoveElementAt(PRInt32 index)
{
WillModify();
nsISVGLength* length = ElementAt(index);
NS_ASSERTION(length, "null length");
NS_REMOVE_SVGVALUE_OBSERVER(length);
mLengths.RemoveElementAt(index);
NS_RELEASE(length);
DidModify();
}
NS_IMETHODIMP nsSVGPreserveAspectRatio::SetAlign(PRUint16 aAlign)
{
if (aAlign < SVG_PRESERVEASPECTRATIO_NONE ||
aAlign > SVG_PRESERVEASPECTRATIO_XMAXYMAX)
return NS_ERROR_FAILURE;
WillModify();
mAlign = aAlign;
DidModify();
return NS_OK;
}
NS_IMETHODIMP nsSVGPreserveAspectRatio::SetMeetOrSlice(PRUint16 aMeetOrSlice)
{
if (aMeetOrSlice < SVG_MEETORSLICE_MEET ||
aMeetOrSlice > SVG_MEETORSLICE_SLICE)
return NS_ERROR_FAILURE;
WillModify();
mMeetOrSlice = aMeetOrSlice;
DidModify();
return NS_OK;
}
void
nsSVGPathSegList::RemoveElementAt(PRInt32 index)
{
WillModify();
nsIDOMSVGPathSeg* seg = ElementAt(index);
NS_ASSERTION(seg, "null pathsegment");
nsCOMPtr<nsISVGValue> val = do_QueryInterface(seg);
if (val)
val->RemoveObserver(this);
mSegments.RemoveElementAt(index);
NS_RELEASE(seg);
DidModify();
}
