void
imgRequest::AddProxy(imgRequestProxy* proxy)
{
NS_PRECONDITION(proxy, "null imgRequestProxy passed in");
LOG_SCOPE_WITH_PARAM(GetImgLog(), "imgRequest::AddProxy", "proxy", proxy);
if (!mFirstProxy) {
// Save a raw pointer to the first proxy we see, for use in the network
// priority logic.
mFirstProxy = proxy;
}
// If we're empty before adding, we have to tell the loader we now have
// proxies.
RefPtr<ProgressTracker> progressTracker = GetProgressTracker();
if (progressTracker->ObserverCount() == 0) {
MOZ_ASSERT(mURI, "Trying to SetHasProxies without key uri.");
if (mLoader) {
mLoader->SetHasProxies(this);
}
}
progressTracker->AddObserver(proxy);
}
void
nsReferencedElement::Reset(nsIContent* aFromContent, nsIURI* aURI,
bool aWatch, bool aReferenceImage)
{
MOZ_ASSERT(aFromContent, "Reset() expects non-null content pointer");
Unlink();
if (!aURI)
return;
nsAutoCString refPart;
aURI->GetRef(refPart);
// Unescape %-escapes in the reference. The result will be in the
// origin charset of the URL, hopefully...
NS_UnescapeURL(refPart);
nsAutoCString charset;
aURI->GetOriginCharset(charset);
nsAutoString ref;
nsresult rv = nsContentUtils::ConvertStringFromEncoding(charset,
refPart,
ref);
if (NS_FAILED(rv)) {
// XXX Eww. If fallible malloc failed, using a conversion method that
// assumes UTF-8 and doesn't handle UTF-8 errors.
// https://bugzilla.mozilla.org/show_bug.cgi?id=951082
CopyUTF8toUTF16(refPart, ref);
}
if (ref.IsEmpty())
return;
// Get the current document
nsIDocument *doc = aFromContent->OwnerDoc();
if (!doc)
return;
nsIContent* bindingParent = aFromContent->GetBindingParent();
if (bindingParent) {
nsXBLBinding* binding = bindingParent->GetXBLBinding();
if (binding) {
bool isEqualExceptRef;
rv = aURI->EqualsExceptRef(binding->PrototypeBinding()->DocURI(),
&isEqualExceptRef);
if (NS_SUCCEEDED(rv) && isEqualExceptRef) {
// XXX sXBL/XBL2 issue
// Our content is an anonymous XBL element from a binding inside the
// same document that the referenced URI points to. In order to avoid
// the risk of ID collisions we restrict ourselves to anonymous
// elements from this binding; specifically, URIs that are relative to
// the binding document should resolve to the copy of the target
// element that has been inserted into the bound document.
// If the URI points to a different document we don't need this
// restriction.
nsINodeList* anonymousChildren =
doc->BindingManager()->GetAnonymousNodesFor(bindingParent);
if (anonymousChildren) {
uint32_t length;
anonymousChildren->GetLength(&length);
for (uint32_t i = 0; i < length && !mElement; ++i) {
mElement =
nsContentUtils::MatchElementId(anonymousChildren->Item(i), ref);
}
}
// We don't have watching working yet for XBL, so bail out here.
return;
}
}
}
bool isEqualExceptRef;
rv = aURI->EqualsExceptRef(doc->GetDocumentURI(), &isEqualExceptRef);
if (NS_FAILED(rv) || !isEqualExceptRef) {
RefPtr<nsIDocument::ExternalResourceLoad> load;
doc = doc->RequestExternalResource(aURI, aFromContent,
getter_AddRefs(load));
if (!doc) {
if (!load || !aWatch) {
// Nothing will ever happen here
return;
}
DocumentLoadNotification* observer =
new DocumentLoadNotification(this, ref);
mPendingNotification = observer;
if (observer) {
load->AddObserver(observer);
}
// Keep going so we set up our watching stuff a bit
}
}
if (aWatch) {
nsCOMPtr<nsIAtom> atom = NS_Atomize(ref);
if (!atom)
return;
atom.swap(mWatchID);
}
mReferencingImage = aReferenceImage;
HaveNewDocument(doc, aWatch, ref);
}