Index: third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.h |
diff --git a/third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.h b/third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..98abde33f327dd1b4db91129ec7aec87a29aa26c |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.h |
@@ -0,0 +1,91 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef ModuleScriptLoader_h |
+#define ModuleScriptLoader_h |
+ |
+#include "core/CoreExport.h" |
+#include "core/fetch/ResourceOwner.h" |
+#include "core/loader/resource/ScriptResource.h" |
+#include "platform/heap/Handle.h" |
+#include "platform/weborigin/KURL.h" |
+ |
+namespace blink { |
+ |
+class ModuleController; |
+class ModuleScript; |
+class ModuleScriptLoaderRegistry; |
+class ModuleScriptLoaderClient; |
+ |
+// A ModuleScriptLoader is responsible for loading a new single ModuleScript. |
+// |
+// A ModuleScriptLoader constructs and emit FetchRequest to RequestFetcher (via |
+// ScriptResource::fetch). |
+// Then, it keeps track of the fetch progress by being a ScriptResourceClient. |
+// Finally, it return its client a compiled ModuleScript. |
+// |
+// ModuleLoaders should only be used via Modulator and its ModuleMap. |
+class CORE_EXPORT ModuleScriptLoader final |
+ : public GarbageCollectedFinalized<ModuleScriptLoader>, |
+ public ResourceOwner<ScriptResource> { |
+ WTF_MAKE_NONCOPYABLE(ModuleScriptLoader); |
+ USING_GARBAGE_COLLECTED_MIXIN(ModuleScriptLoader); |
+ |
+ enum class State { |
+ Initial, |
+ // FetchRequest is being processed, and ModuleScriptLoader hasn't |
+ // notifyFinished(). |
+ Fetching, |
+ // Finished successfully or w/ error. |
+ Finished, |
+ }; |
+ |
+ public: |
+ static ModuleScriptLoader* create(const KURL& url, |
+ const KURL& baseURL, |
+ ModuleController* moduleController, |
+ ModuleScriptLoaderRegistry* registry, |
+ ModuleScriptLoaderClient* client) { |
+ return new ModuleScriptLoader(url, baseURL, moduleController, registry, |
+ client); |
+ } |
+ |
+ virtual ~ModuleScriptLoader(); |
+ |
+ void fetch(ResourceFetcher*); |
+ |
+ bool isInitialState() const { return m_state == State::Initial; } |
+ bool hasFinished() const { return m_state == State::Finished; } |
+ |
+ DECLARE_TRACE(); |
+ |
+ private: |
+ explicit ModuleScriptLoader(const KURL&, |
+ const KURL& baseURL, |
+ ModuleController*, |
+ ModuleScriptLoaderRegistry*, |
+ ModuleScriptLoaderClient*); |
+ |
+ void advanceState(State newState); |
+ |
+ // Implements ScriptResourceClient |
+ void notifyFinished(Resource*) override; |
+ String debugName() const override { return "ModuleScriptLoader"; } |
+ |
+ // TODO(kouhei): May be this method should live in ModuleResource? or should |
+ // it be here to consolidate the spec impl code in ModuleMap.cpp? |
+ static bool wasModuleLoadSuccessful(Resource*); |
+ |
+ KURL m_url; |
+ KURL m_baseURL; |
+ Member<ModuleController> m_moduleController; |
+ State m_state = State::Initial; |
+ Member<ModuleScript> m_moduleScript; |
+ Member<ModuleScriptLoaderRegistry> m_registry; |
+ Member<ModuleScriptLoaderClient> m_client; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif |