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Bug 1311726 - Create ModuleLoader Class; r=jonco

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Differential Revision: https://phabricator.services.mozilla.com/D132609
This commit is contained in:
Yulia Startsev
2021-12-08 16:57:18 +00:00
parent 20bb49329c
commit edb0a11ce4
3 changed files with 60 additions and 34 deletions
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46
dom/script/ScriptLoader.h
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@@ -57,6 +57,7 @@ class AutoJSAPI;
class DocGroup;
class Document;
class LoadedScript;
class ModuleLoader;
class ModuleLoadRequest;
class ModuleScript;
class SRICheckDataVerifier;
@@ -129,6 +130,8 @@ class ScriptLoader final : public nsISupports {
*/
void DropDocumentReference() { mDocument = nullptr; }
void EnsureModuleHooksInitialized();
/**
* Add an observer for all scripts loaded through this loader.
*
@@ -190,6 +193,8 @@ class ScriptLoader final : public nsISupports {
mEnabled = aEnabled;
}
ModuleLoader* GetModuleLoader() { return mModuleLoader; }
/**
* Check whether to speculatively OMT parse scripts as soon as
* they are fetched, even if not a parser blocking request.
@@ -463,8 +468,6 @@ class ScriptLoader final : public nsISupports {
private:
virtual ~ScriptLoader();
void EnsureModuleHooksInitialized();
ScriptLoadRequest* CreateLoadRequest(ScriptKind aKind, nsIURI* aURI,
nsIScriptElement* aElement,
nsIPrincipal* aTriggeringPrincipal,
@@ -694,15 +697,6 @@ class ScriptLoader final : public nsISupports {
ScriptLoadRequest* aRequest,
MaybeSourceText* aMaybeSource);
void SetModuleFetchStarted(ModuleLoadRequest* aRequest);
void SetModuleFetchFinishedAndResumeWaitingRequests(
ModuleLoadRequest* aRequest, nsresult aResult);
bool ModuleMapContainsURL(nsIURI* aURL, nsIGlobalObject* aGlobal) const;
RefPtr<mozilla::GenericNonExclusivePromise> WaitForModuleFetch(
nsIURI* aURL, nsIGlobalObject* aGlobal);
ModuleScript* GetFetchedModule(nsIURI* aURL, nsIGlobalObject* aGlobal) const;
friend JSObject* HostResolveImportedModule(
JSContext* aCx, JS::Handle<JS::Value> aReferencingPrivate,
JS::Handle<JSString*> aSpecifier);
@@ -792,22 +786,42 @@ class ScriptLoader final : public nsISupports {
TimeDuration mMainThreadParseTime;
// Module map
nsRefPtrHashtable<ModuleMapKey, mozilla::GenericNonExclusivePromise::Private>
mFetchingModules;
nsRefPtrHashtable<ModuleMapKey, ModuleScript> mFetchedModules;
nsCOMPtr<nsIConsoleReportCollector> mReporter;
// ShutdownObserver for off thread compilations
RefPtr<AsyncCompileShutdownObserver> mShutdownObserver;
RefPtr<ModuleLoader> mModuleLoader;
// Logging
public:
static LazyLogModule gCspPRLog;
static LazyLogModule gScriptLoaderLog;
};
class ModuleLoader : public nsISupports {
private:
virtual ~ModuleLoader();
// Module map
nsRefPtrHashtable<ModuleMapKey, mozilla::GenericNonExclusivePromise::Private>
mFetchingModules;
nsRefPtrHashtable<ModuleMapKey, ModuleScript> mFetchedModules;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(ModuleLoader)
void SetModuleFetchStarted(ModuleLoadRequest* aRequest);
void SetModuleFetchFinishedAndResumeWaitingRequests(
ModuleLoadRequest* aRequest, nsresult aResult);
bool ModuleMapContainsURL(nsIURI* aURL, nsIGlobalObject* aGlobal) const;
RefPtr<mozilla::GenericNonExclusivePromise> WaitForModuleFetch(
nsIURI* aURL, nsIGlobalObject* aGlobal);
ModuleScript* GetFetchedModule(nsIURI* aURL, nsIGlobalObject* aGlobal) const;
};
class nsAutoScriptLoaderDisabler {
public:
explicit nsAutoScriptLoaderDisabler(Document* aDoc);