void
nsSVGImageElement::MaybeLoadSVGImage()
{
if (HasAttr(kNameSpaceID_XLink, nsGkAtoms::href) &&
(NS_FAILED(LoadSVGImage(PR_FALSE, PR_TRUE)) ||
!LoadingEnabled())) {
CancelImageRequests(PR_TRUE);
}
}
nsresult
nsSVGImageElement::AfterSetAttr(PRInt32 aNamespaceID, nsIAtom* aName,
const nsAString* aValue, PRBool aNotify)
{
if (aNamespaceID == kNameSpaceID_XLink && aName == nsGkAtoms::href) {
// If caller is not chrome and dom.disable_image_src_set is true,
// prevent setting image.src by exiting early
if (nsContentUtils::GetBoolPref("dom.disable_image_src_set") &&
!nsContentUtils::IsCallerChrome()) {
return NS_OK;
}
if (aValue) {
LoadSVGImage(PR_TRUE, aNotify);
} else {
CancelImageRequests(aNotify);
}
}
return nsSVGImageElementBase::AfterSetAttr(aNamespaceID, aName,
aValue, aNotify);
}
/** Load an image from the specified file. */
ImageNode *LoadImage(const char *fileName, int width, int height,
char preserveAspect)
{
unsigned nameLength;
ImageNode *result = NULL;
if(!fileName) {
return result;
}
nameLength = strlen(fileName);
if(JUNLIKELY(nameLength == 0)) {
return result;
}
/* Attempt to load the file as a PNG image. */
#ifdef USE_PNG
if(nameLength >= 4
&& !StrCmpNoCase(&fileName[nameLength - 4], ".png")) {
result = LoadPNGImage(fileName);
if(result) {
return result;
}
}
#endif
/* Attempt to load the file as a JPEG image. */
#ifdef USE_JPEG
if( (nameLength >= 4
&& !StrCmpNoCase(&fileName[nameLength - 4], ".jpg"))
|| (nameLength >= 5
&& !StrCmpNoCase(&fileName[nameLength - 5], ".jpeg"))) {
result = LoadJPEGImage(fileName, width, height);
if(result) {
return result;
}
}
#endif
/* Attempt to load the file as an SVG image. */
#if defined USE_RSVG || defined USE_NANOSVG
if(nameLength >= 4
&& !StrCmpNoCase(&fileName[nameLength - 4], ".svg")) {
result = LoadSVGImage(fileName, width, height, preserveAspect);
if(result) {
return result;
}
}
#endif
/* Attempt to load the file as an XPM image. */
#ifdef USE_XPM
if(nameLength >= 4
&& !StrCmpNoCase(&fileName[nameLength - 4], ".xpm")) {
result = LoadXPMImage(fileName);
if(result) {
return result;
}
}
#endif
/* Attempt to load the file as an XBM image. */
#ifdef USE_XBM
if(nameLength >= 4
&& !StrCmpNoCase(&fileName[nameLength - 4], ".xbm")) {
result = LoadXBMImage(fileName);
if(result) {
return result;
}
}
#endif
/* Attempt to load a PNG, JPEG, GIf, TGA, BMP, PNM, PSD or PIC image. */
#ifdef USE_STB_IMAGE
result = LoadstbImage(fileName);
#endif
return result;
}
