nsresult
HTMLImageElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue, bool aNotify)
{
if (aNameSpaceID == kNameSpaceID_None && mForm &&
(aName == nsGkAtoms::name || aName == nsGkAtoms::id) &&
aValue && !aValue->IsEmptyString()) {
// add the image to the hashtable as needed
NS_ABORT_IF_FALSE(aValue->Type() == nsAttrValue::eAtom,
"Expected atom value for name/id");
mForm->AddImageElementToTable(this,
nsDependentAtomString(aValue->GetAtomValue()));
}
// Handle src/srcset/crossorigin updates. If aNotify is false, we are coming
// from the parser or some such place; we'll get bound after all the
// attributes have been set, so we'll do the image load from BindToTree.
if (aName == nsGkAtoms::src &&
aNameSpaceID == kNameSpaceID_None) {
// SetAttr handles setting src in the non-responsive case, so only handle it
// for responsive mode or unsetting
if (!aValue) {
CancelImageRequests(aNotify);
} else if (mResponsiveSelector) {
mResponsiveSelector->SetDefaultSource(aValue ? aValue->GetStringValue()
: EmptyString());
LoadSelectedImage(false, aNotify);
}
} else if (aName == nsGkAtoms::srcset &&
aNameSpaceID == kNameSpaceID_None &&
aNotify &&
AsContent()->IsInDoc() &&
IsSrcsetEnabled()) {
// We currently don't handle responsive mode until BindToTree
UpdateSourceSet(aValue->GetStringValue());
LoadSelectedImage(false, aNotify);
} else if (aName == nsGkAtoms::crossorigin &&
aNameSpaceID == kNameSpaceID_None &&
aNotify) {
// We want aForce == true in this LoadImage call, because we want to force
// a new load of the image with the new cross origin policy.
nsCOMPtr<nsIURI> currentURI;
if (NS_SUCCEEDED(GetCurrentURI(getter_AddRefs(currentURI))) && currentURI) {
LoadImage(currentURI, true, aNotify);
}
}
return nsGenericHTMLElement::AfterSetAttr(aNameSpaceID, aName,
aValue, aNotify);
}
void
HTMLImageElement::MaybeLoadImage()
{
// Our base URI may have changed, or we may have had responsive parameters
// change while not bound to the tree. Re-parse src/srcset and call LoadImage,
// which is a no-op if it resolves to the same effective URI without aForce.
// Note, check LoadingEnabled() after LoadImage call.
LoadSelectedImage(false, true, false);
if (!LoadingEnabled()) {
CancelImageRequests(true);
}
}
