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Bug 1166910 - referrer attribute for img tag. r=hsivonen

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This commit is contained in:
Franziskus Kiefer
2015-06-05 15:25:24 -07:00
parent 61e03377fb
commit 76b5864bfa
16 changed files with 113 additions and 11 deletions
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16
parser/html/nsHtml5TreeOpExecutor.cpp
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@@ -943,13 +943,25 @@ void
nsHtml5TreeOpExecutor::PreloadImage(const nsAString& aURL,
const nsAString& aCrossOrigin,
const nsAString& aSrcset,
const nsAString& aSizes)
const nsAString& aSizes,
const nsAString& aImageReferrerPolicy)
{
nsCOMPtr<nsIURI> baseURI = BaseURIForPreload();
nsCOMPtr<nsIURI> uri = mDocument->ResolvePreloadImage(baseURI, aURL, aSrcset,
aSizes);
if (uri && ShouldPreloadURI(uri)) {
mDocument->MaybePreLoadImage(uri, aCrossOrigin, mSpeculationReferrerPolicy);
// use document wide referrer policy
mozilla::net::ReferrerPolicy referrerPolicy = mSpeculationReferrerPolicy;
// if enabled in preferences, use the referrer attribute from the image, if provided
bool referrerAttributeEnabled = Preferences::GetBool("network.http.enablePerElementReferrer", false);
if (referrerAttributeEnabled) {
mozilla::net::ReferrerPolicy imageReferrerPolicy = mozilla::net::ReferrerPolicyFromString(aImageReferrerPolicy);
if (imageReferrerPolicy != mozilla::net::RP_Unset) {
referrerPolicy = imageReferrerPolicy;
}
}
mDocument->MaybePreLoadImage(uri, aCrossOrigin, referrerPolicy);
}
}