forked from mirrors/gecko-dev
Backed out changeset be054669251a (bug 1425310) for causing browser-chrome leaks on nsStringBuffer.
This commit is contained in:
Cosmin Sabou
parent
23b02093ca
commit
e95c76d3bf
13 changed files with 101 additions and 245 deletions
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@ -9,7 +9,6 @@
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Components.h"
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#include "mozilla/ConsoleReportCollector.h"
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#include "mozilla/EventDispatcher.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/Preferences.h"
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@ -43,7 +42,6 @@
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#include "DecoderTraits.h"
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#include "MediaList.h"
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#include "nsAttrValueInlines.h"
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#include "js/loader/ModuleLoadRequest.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(Link)
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@ -314,30 +312,36 @@ nsresult HTMLLinkElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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aNameSpaceID, aName, aValue, aOldValue, aSubjectPrincipal, aNotify);
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}
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// Keep this and the arrays below in sync with ToLinkMask in LinkStyle.cpp.
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#define SUPPORTED_REL_VALUES_BASE \
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"prefetch", "dns-prefetch", "stylesheet", "next", "alternate", "preconnect", \
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"icon", "search", nullptr
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static const DOMTokenListSupportedToken sSupportedRelValues[] = {
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// Keep this and the one below in sync with ToLinkMask in
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// LinkStyle.cpp.
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// "preload" must come first because it can be disabled.
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"preload", "prefetch", "dns-prefetch", "stylesheet",
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"next", "alternate", "preconnect", "icon",
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"search", "modulepreload", nullptr};
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static const DOMTokenListSupportedToken sSupportedRelValueCombinations[][12] = {
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{SUPPORTED_REL_VALUES_BASE},
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{"manifest", SUPPORTED_REL_VALUES_BASE},
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{"preload", SUPPORTED_REL_VALUES_BASE},
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{"preload", "manifest", SUPPORTED_REL_VALUES_BASE},
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{"modulepreload", SUPPORTED_REL_VALUES_BASE},
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{"modulepreload", "manifest", SUPPORTED_REL_VALUES_BASE},
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{"modulepreload", "preload", SUPPORTED_REL_VALUES_BASE},
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{"modulepreload", "preload", "manifest", SUPPORTED_REL_VALUES_BASE}};
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#undef SUPPORTED_REL_VALUES_BASE
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static const DOMTokenListSupportedToken sSupportedRelValuesWithManifest[] = {
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// Keep this in sync with ToLinkMask in LinkStyle.cpp.
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// "preload" and "manifest" must come first because they can be disabled.
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"preload", "manifest", "prefetch", "dns-prefetch", "stylesheet", "next",
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"alternate", "preconnect", "icon", "search", nullptr};
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nsDOMTokenList* HTMLLinkElement::RelList() {
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if (!mRelList) {
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int index = (StaticPrefs::dom_manifest_enabled() ? 1 : 0) |
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(StaticPrefs::network_preload() ? 2 : 0) |
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(StaticPrefs::network_modulepreload() ? 4 : 0);
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mRelList = new nsDOMTokenList(this, nsGkAtoms::rel,
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sSupportedRelValueCombinations[index]);
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auto preload = StaticPrefs::network_preload();
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auto manifest = StaticPrefs::dom_manifest_enabled();
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if (manifest && preload) {
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mRelList = new nsDOMTokenList(this, nsGkAtoms::rel,
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sSupportedRelValuesWithManifest);
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} else if (manifest && !preload) {
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mRelList = new nsDOMTokenList(this, nsGkAtoms::rel,
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&sSupportedRelValuesWithManifest[1]);
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} else if (!manifest && preload) {
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mRelList = new nsDOMTokenList(this, nsGkAtoms::rel, sSupportedRelValues);
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} else { // both false...drop preload
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mRelList =
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new nsDOMTokenList(this, nsGkAtoms::rel, &sSupportedRelValues[1]);
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}
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}
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return mRelList;
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}
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@ -487,10 +491,7 @@ void HTMLLinkElement::
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}
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if (linkTypes & eMODULE_PRELOAD) {
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ScriptLoader* scriptLoader = OwnerDoc()->ScriptLoader();
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ModuleLoader* moduleLoader = scriptLoader->GetModuleLoader();
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if (!moduleLoader) {
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if (!OwnerDoc()->ScriptLoader()->GetModuleLoader()) {
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// For the print preview documents, at this moment it doesn't have module
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// loader yet, as the (print preview) document is not attached to the
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// nsIContentViewer yet, so it doesn't have the GlobalObject.
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@ -500,54 +501,9 @@ void HTMLLinkElement::
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return;
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}
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if (!StaticPrefs::network_modulepreload()) {
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// Keep behavior from https://phabricator.services.mozilla.com/D149371,
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// prior to main implementation of modulepreload
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moduleLoader->DisallowImportMaps();
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return;
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}
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// https://html.spec.whatwg.org/multipage/semantics.html#processing-the-media-attribute
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// TODO: apply this check for all linkTypes
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nsAutoString media;
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if (GetAttr(kNameSpaceID_None, nsGkAtoms::media, media)) {
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RefPtr<mozilla::dom::MediaList> mediaList =
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mozilla::dom::MediaList::Create(NS_ConvertUTF16toUTF8(media));
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if (!mediaList->Matches(*OwnerDoc())) {
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return;
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}
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}
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// TODO: per spec, apply this check for ePREFETCH as well
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if (!HasNonEmptyAttr(nsGkAtoms::href)) {
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return;
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}
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nsAutoString destination;
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GetAs(destination);
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if (!(destination.IsEmpty() ||
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destination.LowerCaseEqualsLiteral("audioworklet") ||
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destination.LowerCaseEqualsLiteral("paintworklet") ||
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destination.LowerCaseEqualsLiteral("script") ||
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destination.LowerCaseEqualsLiteral("serviceworker") ||
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destination.LowerCaseEqualsLiteral("sharedworker") ||
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destination.LowerCaseEqualsLiteral("worker"))) {
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RefPtr<AsyncEventDispatcher> asyncDispatcher = new AsyncEventDispatcher(
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this, u"error"_ns, CanBubble::eNo, ChromeOnlyDispatch::eNo);
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asyncDispatcher->PostDOMEvent();
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return;
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}
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nsCOMPtr<nsIURI> uri = GetURI();
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if (!uri) {
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return;
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}
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// https://html.spec.whatwg.org/multipage/webappapis.html#fetch-a-modulepreload-module-script-graph
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// Step 1. Disallow further import maps given settings object.
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moduleLoader->DisallowImportMaps();
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StartPreload(nsIContentPolicy::TYPE_SCRIPT);
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OwnerDoc()->ScriptLoader()->GetModuleLoader()->DisallowImportMaps();
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return;
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}
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@ -62,10 +62,9 @@ class Element;
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* the script does not need to be fetched first.
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* * mIsXSLT
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* Set if we are in an XSLT request.
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* * mIsPreload
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* * TODO: mIsPreload (will be moved from ScriptFetchOptions)
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* Set for scripts that are preloaded in a
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* <link rel="preload" as="script"> or <link rel="modulepreload">
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* element.
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* <link rel="preload" as="script"> element.
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*
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* In addition to describing how the ScriptLoadRequest will be loaded by the
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* DOM ScriptLoader, the ScriptLoadContext contains fields that facilitate
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@ -114,7 +113,7 @@ class ScriptLoadContext : public JS::loader::LoadContextBase,
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eDeferred,
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eAsync,
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eLinkPreload // this is a load initiated by <link rel="preload"
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// as="script"> or <link rel="modulepreload"> tag
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// as="script"> tag
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};
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void SetScriptMode(bool aDeferAttr, bool aAsyncAttr, bool aLinkPreload);
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@ -675,12 +675,12 @@ nsresult ScriptLoader::StartLoadInternal(
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aRequest->GetScriptLoadContext()->IsTracking()));
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if (aRequest->GetScriptLoadContext()->IsLinkPreloadScript()) {
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// This is <link rel="preload" as="script"> or <link rel="modulepreload">
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// initiated speculative load, put it to the group that is not blocked by
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// leaders and doesn't block follower at the same time. Giving it a much
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// higher priority will make this request be processed ahead of other
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// Unblocked requests, but with the same weight as Leaders. This will make
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// us behave similar way for both http2 and http1.
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// This is <link rel="preload" as="script"> initiated speculative load,
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// put it to the group that is not blocked by leaders and doesn't block
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// follower at the same time. Giving it a much higher priority will make
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// this request be processed ahead of other Unblocked requests, but with
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// the same weight as Leaders. This will make us behave similar way for
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// both http2 and http1.
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ScriptLoadContext::PrioritizeAsPreload(channel);
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ScriptLoadContext::AddLoadBackgroundFlag(channel);
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} else if (nsCOMPtr<nsIClassOfService> cos = do_QueryInterface(channel)) {
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@ -786,8 +786,7 @@ nsresult ScriptLoader::StartLoadInternal(
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aRequest->mURI, aRequest->CORSMode(), aRequest->mKind);
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aRequest->GetScriptLoadContext()->NotifyOpen(
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key, channel, mDocument,
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aRequest->GetScriptLoadContext()->IsLinkPreloadScript(),
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aRequest->IsModuleRequest());
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aRequest->GetScriptLoadContext()->IsLinkPreloadScript());
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if (aEarlyHintPreloaderId) {
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nsCOMPtr<nsIHttpChannelInternal> channelInternal =
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@ -11616,21 +11616,12 @@
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value: false
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mirror: always
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# Enables `<link rel="preload">` tag and `Link: rel=preload` response header
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# handling.
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# Enables `<link rel="preload">` tag and `Link: rel=preload` response header handling.
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- name: network.preload
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type: RelaxedAtomicBool
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value: true
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mirror: always
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# Enables `<link rel="modulepreload">` tag and `Link: rel=modulepreload`
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# response header handling. The latter is not yet implemented, see:
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# https://bugzilla.mozilla.org/show_bug.cgi?id=1773056.
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- name: network.modulepreload
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type: RelaxedAtomicBool
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value: true
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mirror: always
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# Enable 103 Early Hint status code (RFC 8297)
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- name: network.early-hints.enabled
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type: RelaxedAtomicBool
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@ -336,27 +336,6 @@ nsIContentHandle* nsHtml5TreeBuilder::createElement(
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}
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// Other "as" values will be supported later.
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}
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} else if (mozilla::StaticPrefs::network_modulepreload() &&
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rel.LowerCaseEqualsASCII("modulepreload")) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
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if (url && url.Length() != 0) {
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nsHtml5String charset =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET);
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nsHtml5String type = nsHtml5String::FromLiteral("module");
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nsHtml5String crossOrigin = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_CROSSORIGIN);
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nsHtml5String media =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_MEDIA);
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nsHtml5String integrity =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
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nsHtml5String referrerPolicy = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_REFERRERPOLICY);
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mSpeculativeLoadQueue.AppendElement()->InitScript(
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url, charset, type, crossOrigin, media, integrity,
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referrerPolicy, mode == nsHtml5TreeBuilder::IN_HEAD, false,
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false, false, true);
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}
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}
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}
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} else if (nsGkAtoms::video == aName) {
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@ -0,0 +1,2 @@
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[avoid-delaying-onload-link-modulepreload-exec.html]
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expected: ERROR
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@ -0,0 +1,2 @@
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[avoid-delaying-onload-link-modulepreload.html]
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expected: ERROR
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47
testing/web-platform/meta/preload/modulepreload.html.ini
Normal file
47
testing/web-platform/meta/preload/modulepreload.html.ini
Normal file
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@ -0,0 +1,47 @@
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[modulepreload.html]
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expected: TIMEOUT
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[link rel=modulepreload]
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expected: TIMEOUT
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[link rel=modulepreload with submodules]
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expected: NOTRUN
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[link rel=modulepreload for a module with syntax error]
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expected: NOTRUN
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[link rel=modulepreload for a module with network error]
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expected: NOTRUN
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[link rel=modulepreload with bad href attribute]
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expected: NOTRUN
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[link rel=modulepreload as=script]
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expected: NOTRUN
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[link rel=modulepreload with invalid as= value]
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expected: NOTRUN
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[link rel=modulepreload with integrity match]
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expected: NOTRUN
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[link rel=modulepreload with integrity mismatch]
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expected: NOTRUN
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[cross-origin link rel=modulepreload]
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expected: NOTRUN
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[cross-origin link rel=modulepreload crossorigin=anonymous]
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expected: NOTRUN
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[same-origin link rel=modulepreload crossorigin=anonymous]
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expected: NOTRUN
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[same-origin link rel=modulepreload crossorigin=use-credentials]
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expected: NOTRUN
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[cross-origin link rel=modulepreload crossorigin=use-credentials]
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expected: NOTRUN
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[link rel=modulepreload with integrity match2]
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expected: NOTRUN
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@ -1,16 +0,0 @@
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<!doctype html>
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<meta charset=utf-8>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<link rel="modulepreload" href="resources/module1.js" integrity="sha384-invalid">
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<script type="module" src="resources/module1.js" id="myscript"></script>
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<body>
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<script>
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promise_test(() => {
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return new Promise((resolve, reject) => {
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let myscript = document.querySelector('#myscript');
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myscript.onerror = resolve;
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myscript.onload = reject;
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});
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}, "Script should not be loaded if modulepreload's integrity is invalid");
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</script>
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@ -33,15 +33,6 @@ function attachAndWaitForError(element) {
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});
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}
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function attachAndWaitForTimeout(element, t) {
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return new Promise((resolve, reject) => {
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element.onload = reject;
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element.onerror = reject;
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t.step_timeout(resolve, 1000);
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document.body.appendChild(element);
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});
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}
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promise_test(function(t) {
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var link = document.createElement('link');
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link.rel = 'modulepreload';
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@ -229,7 +220,7 @@ promise_test(function(t) {
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var link = document.createElement('link');
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link.rel = 'modulepreload';
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link.href = 'resources/module1.js?integrity-match';
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link.integrity = 'sha256-+Ks3iNIiTq2ujlWhvB056cmXobrCFpU9hd60xZ1WCaA='
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link.integrity = 'sha256-dOxReWMnMSPfUvxEbBqIrjNh8ZN8n05j7h3JmhF8gQc=%'
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return attachAndWaitForLoad(link);
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}, 'link rel=modulepreload with integrity match');
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@ -237,7 +228,7 @@ promise_test(function(t) {
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var link = document.createElement('link');
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link.rel = 'modulepreload';
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link.href = 'resources/module1.mjs?integrity-match';
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link.integrity = 'sha256-+Ks3iNIiTq2ujlWhvB056cmXobrCFpU9hd60xZ1WCaA='
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link.integrity = 'sha256-dOxReWMnMSPfUvxEbBqIrjNh8ZN8n05j7h3JmhF8gQc=%'
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return attachAndWaitForLoad(link);
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}, 'link rel=modulepreload with integrity match2');
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@ -249,88 +240,5 @@ promise_test(function(t) {
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return attachAndWaitForError(link);
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}, 'link rel=modulepreload with integrity mismatch');
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promise_test(function(t) {
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var link = document.createElement('link');
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link.rel = 'modulepreload';
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link.href = 'resources/module1.mjs?integrity-doesnotmatch';
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link.integrity = 'sha256-dOxReWMnMSPfUvxEbBqIrjNh8ZN8n05j7h3JmhF8gQc='
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return attachAndWaitForError(link);
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}, 'link rel=modulepreload with integrity mismatch2');
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promise_test(function(t) {
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var link = document.createElement('link');
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link.rel = 'modulepreload';
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link.href = 'resources/module1.mjs?integrity-invalid';
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link.integrity = 'sha256-dOxReWMnMSPfUvxEbBqIrjNh8ZN8n05j7h3JmhF8gQc=%'
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return attachAndWaitForError(link);
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}, 'link rel=modulepreload with integrity mismatch3');
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promise_test(function(t) {
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var link1 = document.createElement('link');
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var link2 = document.createElement('link');
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link1.rel = 'modulepreload';
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link2.rel = 'modulepreload';
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link1.href = 'resources/module1.js?same-url';
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link2.href = 'resources/module1.js?same-url';
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return Promise.all([
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attachAndWaitForLoad(link1),
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attachAndWaitForLoad(link2),
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]);
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}, 'multiple link rel=modulepreload with same href');
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promise_test(function(t) {
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var link1 = document.createElement('link');
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var link2 = document.createElement('link');
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link1.rel = 'modulepreload';
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link2.rel = 'modulepreload';
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link1.href = 'resources/module2.js?child-before';
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link2.href = 'resources/module1.js?child-before';
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return attachAndWaitForLoad(link1)
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.then(() => attachAndWaitForLoad(link2))
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.then(() => new Promise(r => t.step_timeout(r, 1000)))
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.then(() => {
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verifyNumberOfDownloads('resources/module2.js?child-before', 1);
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});
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}, 'multiple link rel=modulepreload with child module before parent');
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promise_test(function(t) {
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var link = document.createElement('link');
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link.rel = 'modulepreload';
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link.href = 'resources/module1.mjs?matching-media';
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link.media = 'all';
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return attachAndWaitForLoad(link);
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}, 'link rel=modulepreload with matching media');
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promise_test(function(t) {
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var link = document.createElement('link');
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link.rel = 'modulepreload';
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link.href = 'resources/module1.mjs?non-matching-media';
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||||
link.media = 'not all';
|
||||
return attachAndWaitForTimeout(link, t);
|
||||
}, 'link rel=modulepreload with non-matching media');
|
||||
|
||||
promise_test(function(t) {
|
||||
var link = document.createElement('link');
|
||||
link.rel = 'modulepreload';
|
||||
link.href = 'resources/module1.mjs?empty-media';
|
||||
link.media = '';
|
||||
return attachAndWaitForLoad(link);
|
||||
}, 'link rel=modulepreload with empty media');
|
||||
|
||||
promise_test(function(t) {
|
||||
var link = document.createElement('link');
|
||||
link.rel = 'modulepreload';
|
||||
link.href = '';
|
||||
return attachAndWaitForTimeout(link, t);
|
||||
}, 'link rel=modulepreload with empty href');
|
||||
|
||||
promise_test(function(t) {
|
||||
var link = document.createElement('link');
|
||||
link.rel = 'modulepreload';
|
||||
link.href = '';
|
||||
link.as = 'fetch';
|
||||
return attachAndWaitForTimeout(link, t);
|
||||
}, 'link rel=modulepreload with empty href and invalid as= value');
|
||||
</script>
|
||||
</body>
|
||||
|
|
|
|||
|
|
@ -72,10 +72,11 @@ already_AddRefed<PreloaderBase> PreloadService::PreloadLinkElement(
|
|||
return nullptr;
|
||||
}
|
||||
|
||||
nsAutoString as, charset, crossOrigin, integrity, referrerPolicy, rel, srcset,
|
||||
nsAutoString as, charset, crossOrigin, integrity, referrerPolicy, srcset,
|
||||
sizes, type, url;
|
||||
|
||||
nsCOMPtr<nsIURI> uri = aLinkElement->GetURI();
|
||||
aLinkElement->GetAs(as);
|
||||
aLinkElement->GetCharset(charset);
|
||||
aLinkElement->GetImageSrcset(srcset);
|
||||
aLinkElement->GetImageSizes(sizes);
|
||||
|
|
@ -83,15 +84,7 @@ already_AddRefed<PreloaderBase> PreloadService::PreloadLinkElement(
|
|||
aLinkElement->GetCrossOrigin(crossOrigin);
|
||||
aLinkElement->GetIntegrity(integrity);
|
||||
aLinkElement->GetReferrerPolicy(referrerPolicy);
|
||||
aLinkElement->GetRel(rel);
|
||||
|
||||
if (rel.LowerCaseEqualsASCII("modulepreload")) {
|
||||
as = u"script"_ns;
|
||||
type = u"module"_ns;
|
||||
} else {
|
||||
aLinkElement->GetAs(as);
|
||||
aLinkElement->GetType(type);
|
||||
}
|
||||
aLinkElement->GetType(type);
|
||||
|
||||
auto result = PreloadOrCoalesce(uri, url, aPolicyType, as, type, charset,
|
||||
srcset, sizes, integrity, crossOrigin,
|
||||
|
|
|
|||
|
|
@ -124,8 +124,7 @@ void PreloaderBase::AddLoadBackgroundFlag(nsIChannel* aChannel) {
|
|||
}
|
||||
|
||||
void PreloaderBase::NotifyOpen(const PreloadHashKey& aKey,
|
||||
dom::Document* aDocument, bool aIsPreload,
|
||||
bool aIsModule) {
|
||||
dom::Document* aDocument, bool aIsPreload) {
|
||||
if (aDocument) {
|
||||
DebugOnly<bool> alreadyRegistered =
|
||||
aDocument->Preloads().RegisterPreload(aKey, this);
|
||||
|
|
@ -138,8 +137,7 @@ void PreloaderBase::NotifyOpen(const PreloadHashKey& aKey,
|
|||
mKey = aKey;
|
||||
mIsUsed = !aIsPreload;
|
||||
|
||||
// Start usage timer for rel="preload" but not for rel="modulepreload"
|
||||
if (!aIsModule && !mIsUsed && !mUsageTimer) {
|
||||
if (!mIsUsed && !mUsageTimer) {
|
||||
auto callback = MakeRefPtr<UsageTimer>(this, aDocument);
|
||||
NS_NewTimerWithCallback(getter_AddRefs(mUsageTimer), callback, 10000,
|
||||
nsITimer::TYPE_ONE_SHOT);
|
||||
|
|
@ -149,9 +147,8 @@ void PreloaderBase::NotifyOpen(const PreloadHashKey& aKey,
|
|||
}
|
||||
|
||||
void PreloaderBase::NotifyOpen(const PreloadHashKey& aKey, nsIChannel* aChannel,
|
||||
dom::Document* aDocument, bool aIsPreload,
|
||||
bool aIsModule) {
|
||||
NotifyOpen(aKey, aDocument, aIsPreload, aIsModule);
|
||||
dom::Document* aDocument, bool aIsPreload) {
|
||||
NotifyOpen(aKey, aDocument, aIsPreload);
|
||||
mChannel = aChannel;
|
||||
|
||||
nsCOMPtr<nsIInterfaceRequestor> callbacks;
|
||||
|
|
|
|||
|
|
@ -45,10 +45,9 @@ class PreloaderBase : public SupportsWeakPtr, public nsISupports {
|
|||
// preload service to provide coalescing, and access to the preload when it
|
||||
// should be used for an actual load.
|
||||
void NotifyOpen(const PreloadHashKey& aKey, dom::Document* aDocument,
|
||||
bool aIsPreload, bool aIsModule = false);
|
||||
bool aIsPreload);
|
||||
void NotifyOpen(const PreloadHashKey& aKey, nsIChannel* aChannel,
|
||||
dom::Document* aDocument, bool aIsPreload,
|
||||
bool aIsModule = false);
|
||||
dom::Document* aDocument, bool aIsPreload);
|
||||
|
||||
// Called when the load is about to be started all over again and thus this
|
||||
// PreloaderBase will be registered again with the same key. This method
|
||||
|
|
|
|||
Loading…
Reference in a new issue