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9c0ede4fbe
Add a JS::Heap<JS::Value> in WorkletFetchHandler to hold the script's error to rethrow object. This also requires to change WorkletFetchHandler to a CC class so it can trace the mErrorToRetrhow Depends on D166550 Differential Revision: https://phabricator.services.mozilla.com/D170162
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Worklet.h"
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#include "WorkletThread.h"
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#include "mozilla/dom/WorkletFetchHandler.h"
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#include "mozilla/dom/WorkletImpl.h"
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#include "xpcprivate.h"
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using JS::loader::ResolveError;
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using JS::loader::ResolveErrorInfo;
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namespace mozilla::dom {
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// ---------------------------------------------------------------------------
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// Worklet
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(Worklet)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Worklet)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOwnedObject)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mImportHandlers)
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tmp->mImpl->NotifyWorkletFinished();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Worklet)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOwnedObject)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mImportHandlers)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(Worklet)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(Worklet)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Worklet)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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Worklet::Worklet(nsPIDOMWindowInner* aWindow, RefPtr<WorkletImpl> aImpl,
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nsISupports* aOwnedObject)
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: mWindow(aWindow), mOwnedObject(aOwnedObject), mImpl(std::move(aImpl)) {
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MOZ_ASSERT(aWindow);
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MOZ_ASSERT(mImpl);
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MOZ_ASSERT(NS_IsMainThread());
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}
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Worklet::~Worklet() { mImpl->NotifyWorkletFinished(); }
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JSObject* Worklet::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return mImpl->WrapWorklet(aCx, this, aGivenProto);
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}
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static bool LoadLocalizedStrings(nsTArray<nsString>& aStrings) {
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// All enumes in ResolveError.
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ResolveError errors[] = {ResolveError::Failure,
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ResolveError::FailureMayBeBare,
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ResolveError::BlockedByNullEntry,
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ResolveError::BlockedByAfterPrefix,
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ResolveError::BlockedByBacktrackingPrefix,
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ResolveError::InvalidBareSpecifier};
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static_assert(
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ArrayLength(errors) == static_cast<size_t>(ResolveError::Length),
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"The array 'errors' has missing entries in the enum class ResolveError.");
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for (auto i : errors) {
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nsAutoString message;
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nsresult rv = nsContentUtils::GetLocalizedString(
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nsContentUtils::eDOM_PROPERTIES, ResolveErrorInfo::GetString(i),
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message);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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if (NS_WARN_IF(!aStrings.AppendElement(EmptyString(), fallible))) {
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return false;
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}
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} else {
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if (NS_WARN_IF(!aStrings.AppendElement(message, fallible))) {
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return false;
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}
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}
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}
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return true;
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}
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already_AddRefed<Promise> Worklet::AddModule(JSContext* aCx,
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const nsAString& aModuleURL,
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const WorkletOptions& aOptions,
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CallerType aCallerType,
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ErrorResult& aRv) {
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MOZ_ASSERT(NS_IsMainThread());
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if (mLocalizedStrings.IsEmpty()) {
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bool result = LoadLocalizedStrings(mLocalizedStrings);
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if (!result) {
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return nullptr;
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}
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}
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return WorkletFetchHandler::AddModule(this, aCx, aModuleURL, aOptions, aRv);
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}
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WorkletFetchHandler* Worklet::GetImportFetchHandler(const nsACString& aURI) {
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MOZ_ASSERT(NS_IsMainThread());
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return mImportHandlers.GetWeak(aURI);
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}
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void Worklet::AddImportFetchHandler(const nsACString& aURI,
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WorkletFetchHandler* aHandler) {
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MOZ_ASSERT(aHandler);
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MOZ_ASSERT(!mImportHandlers.GetWeak(aURI));
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MOZ_ASSERT(NS_IsMainThread());
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mImportHandlers.InsertOrUpdate(aURI, RefPtr{aHandler});
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}
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} // namespace mozilla::dom
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