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Bug 1222633 - Add rel=preload - dom part. r=smaug

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This commit is contained in:
2017-07-10 15:05:56 +02:00
parent 3070975e34
commit fbc54f3210
14 changed files with 501 additions and 35 deletions
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35
dom/html/HTMLLinkElement.cpp
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@@ -167,7 +167,7 @@ HTMLLinkElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
}
if (IsInComposedDoc()) {
TryDNSPrefetchPreconnectOrPrefetchOrPrerender();
TryDNSPrefetchOrPreconnectOrPrefetchOrPreloadOrPrerender();
}
void (HTMLLinkElement::*update)() = &HTMLLinkElement::UpdateStyleSheetInternal;
@@ -199,7 +199,7 @@ HTMLLinkElement::UnbindFromTree(bool aDeep, bool aNullParent)
// mCachedURI based on data that is invalid - due to a call to GetHostname.
CancelDNSPrefetch(HTML_LINK_DNS_PREFETCH_DEFERRED,
HTML_LINK_DNS_PREFETCH_REQUESTED);
CancelPrefetch();
CancelPrefetchOrPreload();
// If this link is ever reinserted into a document, it might
// be under a different xml:base, so forget the cached state now.
@@ -232,6 +232,11 @@ HTMLLinkElement::ParseAttribute(int32_t aNamespaceID,
return true;
}
if (aAttribute == nsGkAtoms::as) {
ParseAsValue(aValue, aResult);
return true;
}
if (aAttribute == nsGkAtoms::sizes) {
aResult.ParseAtomArray(aValue);
return true;
@@ -284,7 +289,7 @@ HTMLLinkElement::BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
(aName == nsGkAtoms::href || aName == nsGkAtoms::rel)) {
CancelDNSPrefetch(HTML_LINK_DNS_PREFETCH_DEFERRED,
HTML_LINK_DNS_PREFETCH_REQUESTED);
CancelPrefetch();
CancelPrefetchOrPreload();
}
return nsGenericHTMLElement::BeforeSetAttr(aNameSpaceID, aName,
@@ -315,7 +320,9 @@ HTMLLinkElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
aName == nsGkAtoms::rel ||
aName == nsGkAtoms::title ||
aName == nsGkAtoms::media ||
aName == nsGkAtoms::type)) {
aName == nsGkAtoms::type ||
aName == nsGkAtoms::as ||
aName == nsGkAtoms::crossorigin)) {
bool dropSheet = false;
if (aName == nsGkAtoms::rel) {
nsAutoString value;
@@ -328,7 +335,13 @@ HTMLLinkElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
if ((aName == nsGkAtoms::rel || aName == nsGkAtoms::href) &&
IsInComposedDoc()) {
TryDNSPrefetchPreconnectOrPrefetchOrPrerender();
TryDNSPrefetchOrPreconnectOrPrefetchOrPreloadOrPrerender();
}
if ((aName == nsGkAtoms::as || aName == nsGkAtoms::type ||
aName == nsGkAtoms::crossorigin || aName == nsGkAtoms::media) &&
IsInComposedDoc()) {
UpdatePreload(aName, aValue, aOldValue);
}
UpdateStyleSheetInternal(nullptr, nullptr,
@@ -348,6 +361,11 @@ HTMLLinkElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
aName == nsGkAtoms::type) {
UpdateStyleSheetInternal(nullptr, nullptr, true);
}
if ((aName == nsGkAtoms::as || aName == nsGkAtoms::type ||
aName == nsGkAtoms::crossorigin || aName == nsGkAtoms::media) &&
IsInComposedDoc()) {
UpdatePreload(aName, aValue, aOldValue);
}
}
}
@@ -393,6 +411,7 @@ static const DOMTokenListSupportedToken sSupportedRelValues[] = {
"preconnect",
"icon",
"search",
"preload",
nullptr
};
@@ -504,5 +523,11 @@ HTMLLinkElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
return HTMLLinkElementBinding::Wrap(aCx, this, aGivenProto);
}
void
HTMLLinkElement::GetAs(nsAString& aResult)
{
GetEnumAttr(nsGkAtoms::as, EmptyCString().get(), aResult);
}
} // namespace dom
} // namespace mozilla