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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef ModuleScriptLoader_h | |
6 #define ModuleScriptLoader_h | |
7 | |
8 #include "core/CoreExport.h" | |
9 #include "core/loader/modulescript/ModuleScriptFetchRequest.h" | |
10 #include "core/loader/resource/ScriptResource.h" | |
11 #include "platform/heap/Handle.h" | |
12 #include "platform/loader/fetch/ResourceLoaderOptions.h" | |
13 #include "platform/loader/fetch/ResourceOwner.h" | |
14 #include "platform/weborigin/KURL.h" | |
15 #include "public/platform/WebURLRequest.h" | |
16 | |
17 namespace blink { | |
18 | |
19 class Modulator; | |
20 class ModuleScript; | |
21 class ModuleScriptLoaderClient; | |
22 class ModuleScriptLoaderRegistry; | |
23 enum class ModuleGraphLevel; | |
24 | |
25 // A ModuleScriptLoader is responsible for loading a new single ModuleScript. | |
26 // | |
27 // A ModuleScriptLoader constructs and emit FetchRequest to RequestFetcher (via | |
yhirano
2017/02/17 04:59:15
ResourceFetcher?
yhirano
2017/02/17 04:59:15
emit"s"
kouhei (in TOK)
2017/02/21 01:26:51
Done.
kouhei (in TOK)
2017/02/21 01:26:51
Done.
| |
28 // ScriptResource::fetch). Then, it keeps track of the fetch progress by being a | |
29 // ScriptResourceClient. Finally, it return its client a compiled ModuleScript. | |
yhirano
2017/02/17 04:59:15
return"s"
kouhei (in TOK)
2017/02/21 01:26:51
Done.
| |
30 // | |
31 // ModuleLoaders should only be used via Modulator and its ModuleMap. | |
32 class CORE_EXPORT ModuleScriptLoader final | |
33 : public GarbageCollectedFinalized<ModuleScriptLoader>, | |
34 public ResourceOwner<ScriptResource> { | |
35 WTF_MAKE_NONCOPYABLE(ModuleScriptLoader); | |
36 USING_GARBAGE_COLLECTED_MIXIN(ModuleScriptLoader); | |
37 | |
38 enum class State { | |
hiroshige
2017/02/20 23:15:32
nit: having a declaration here (other than WTF_MAK
| |
39 Initial, | |
40 // FetchRequest is being processed, and ModuleScriptLoader hasn't | |
41 // notifyFinished(). | |
42 Fetching, | |
43 // Finished successfully or w/ error. | |
44 Finished, | |
45 }; | |
46 | |
47 public: | |
48 static ModuleScriptLoader* create(Modulator* modulator, | |
49 ModuleScriptLoaderRegistry* registry, | |
50 ModuleScriptLoaderClient* client) { | |
51 return new ModuleScriptLoader(modulator, registry, client); | |
52 } | |
53 | |
54 virtual ~ModuleScriptLoader(); | |
yhirano
2017/02/17 04:59:15
-virtual
+override
kouhei (in TOK)
2017/02/21 01:26:51
Done.
| |
55 | |
56 void fetch(const ModuleScriptFetchRequest&, | |
57 ResourceFetcher*, | |
58 ModuleGraphLevel); | |
59 | |
60 bool isInitialState() const { return m_state == State::Initial; } | |
61 bool hasFinished() const { return m_state == State::Finished; } | |
62 | |
63 DECLARE_TRACE(); | |
64 | |
65 private: | |
66 ModuleScriptLoader(Modulator*, | |
67 ModuleScriptLoaderRegistry*, | |
68 ModuleScriptLoaderClient*); | |
69 | |
70 static ModuleScript* createModuleScript(const String& sourceText, | |
71 const KURL&, | |
72 Modulator*, | |
73 const String& nonce, | |
74 ParserDisposition, | |
75 WebURLRequest::FetchCredentialsMode); | |
76 | |
77 void advanceState(State newState); | |
78 #ifndef NDEBUG | |
79 static const char* stateToString(State); | |
80 #endif | |
81 | |
82 // Implements ScriptResourceClient | |
83 void notifyFinished(Resource*) override; | |
84 String debugName() const override { return "ModuleScriptLoader"; } | |
85 | |
86 static bool wasModuleLoadSuccessful(Resource*); | |
87 | |
88 Member<Modulator> m_modulator; | |
89 State m_state = State::Initial; | |
90 String m_nonce; | |
91 ParserDisposition m_parserState; | |
92 WebURLRequest::FetchCredentialsMode m_credentialsMode; | |
93 Member<ModuleScript> m_moduleScript; | |
94 Member<ModuleScriptLoaderRegistry> m_registry; | |
95 Member<ModuleScriptLoaderClient> m_client; | |
96 #ifndef NDEBUG | |
97 KURL m_url; | |
98 #endif | |
99 }; | |
100 | |
101 } // namespace blink | |
102 | |
103 #endif | |
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