diff options
Diffstat (limited to 'dom/script/ModuleLoadRequest.cpp')
-rw-r--r-- | dom/script/ModuleLoadRequest.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/dom/script/ModuleLoadRequest.cpp b/dom/script/ModuleLoadRequest.cpp new file mode 100644 index 0000000000..e72edca2e8 --- /dev/null +++ b/dom/script/ModuleLoadRequest.cpp @@ -0,0 +1,102 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "ModuleLoadRequest.h" +#include "ModuleScript.h" +#include "ScriptLoader.h" + +namespace mozilla { +namespace dom { + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ModuleLoadRequest) +NS_INTERFACE_MAP_END_INHERITING(ScriptLoadRequest) + +NS_IMPL_CYCLE_COLLECTION_INHERITED(ModuleLoadRequest, ScriptLoadRequest, + mBaseURL, + mLoader, + mParent, + mModuleScript, + mImports) + +NS_IMPL_ADDREF_INHERITED(ModuleLoadRequest, ScriptLoadRequest) +NS_IMPL_RELEASE_INHERITED(ModuleLoadRequest, ScriptLoadRequest) + +ModuleLoadRequest::ModuleLoadRequest(nsIScriptElement* aElement, + uint32_t aVersion, + CORSMode aCORSMode, + const SRIMetadata &aIntegrity, + ScriptLoader* aLoader) + : ScriptLoadRequest(ScriptKind::Module, + aElement, + aVersion, + aCORSMode, + aIntegrity), + mIsTopLevel(true), + mLoader(aLoader) +{} + +void ModuleLoadRequest::Cancel() +{ + ScriptLoadRequest::Cancel(); + mModuleScript = nullptr; + mProgress = ScriptLoadRequest::Progress::Ready; + for (size_t i = 0; i < mImports.Length(); i++) { + mImports[i]->Cancel(); + } + mReady.RejectIfExists(NS_ERROR_FAILURE, __func__); +} + +void +ModuleLoadRequest::SetReady() +{ +#ifdef DEBUG + for (size_t i = 0; i < mImports.Length(); i++) { + MOZ_ASSERT(mImports[i]->IsReadyToRun()); + } +#endif + + ScriptLoadRequest::SetReady(); + mReady.ResolveIfExists(true, __func__); +} + +void +ModuleLoadRequest::ModuleLoaded() +{ + // A module that was found to be marked as fetching in the module map has now + // been loaded. + + mModuleScript = mLoader->GetFetchedModule(mURI); + mLoader->StartFetchingModuleDependencies(this); +} + +void +ModuleLoadRequest::DependenciesLoaded() +{ + // The module and all of its dependencies have been successfully fetched and + // compiled. + + if (!mLoader->InstantiateModuleTree(this)) { + LoadFailed(); + return; + } + + SetReady(); + mLoader->ProcessLoadedModuleTree(this); + mLoader = nullptr; + mParent = nullptr; +} + +void +ModuleLoadRequest::LoadFailed() +{ + Cancel(); + mLoader->ProcessLoadedModuleTree(this); + mLoader = nullptr; + mParent = nullptr; +} + +} // dom namespace +} // mozilla namespace
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