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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef Modulator_h | 5 #ifndef Modulator_h |
6 #define Modulator_h | 6 #define Modulator_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "platform/heap/Handle.h" | 9 #include "platform/heap/Handle.h" |
10 #include "platform/weborigin/KURL.h" | 10 #include "platform/weborigin/KURL.h" |
11 | 11 |
12 namespace blink { | 12 namespace blink { |
13 | 13 |
14 class LocalFrame; | 14 class LocalFrame; |
15 class ModuleScript; | |
16 class ModuleScriptFetchRequest; | |
17 class ModuleScriptLoaderClient; | |
18 class ScriptModuleResolver; | |
19 class WebTaskRunner; | |
20 | |
21 // A SingleModuleClient is notified when single module script node (node as in a | |
22 // module tree graph) load is complete and its corresponding entry is created in | |
23 // module map. | |
24 class SingleModuleClient : public GarbageCollectedMixin { | |
25 public: | |
26 virtual void notifyModuleLoadFinished(ModuleScript*) = 0; | |
27 }; | |
28 | |
29 // spec: "top-level module fetch flag" | |
hiroshige
2017/02/22 01:21:30
+link?
kouhei (in TOK)
2017/02/22 07:08:04
Done.
| |
30 enum class ModuleGraphLevel { TopLevelModuleFetch, DependentModuleFetch }; | |
15 | 31 |
16 // A Modulator is an interface for "environment settings object" concept for | 32 // A Modulator is an interface for "environment settings object" concept for |
17 // module scripts. | 33 // module scripts. |
18 // https://html.spec.whatwg.org/#environment-settings-object | 34 // https://html.spec.whatwg.org/#environment-settings-object |
19 // | 35 // |
20 // A Modulator also serves as an entry point for various module spec algorithms. | 36 // A Modulator also serves as an entry point for various module spec algorithms. |
21 class CORE_EXPORT Modulator : public GarbageCollectedMixin { | 37 class CORE_EXPORT Modulator : public GarbageCollectedMixin { |
22 public: | 38 public: |
23 static Modulator* from(LocalFrame*); | 39 static Modulator* from(LocalFrame*); |
24 | 40 |
41 virtual ScriptModuleResolver* scriptModuleResolver() = 0; | |
42 virtual WebTaskRunner* taskRunner() = 0; | |
43 | |
25 // https://html.spec.whatwg.org/#resolve-a-module-specifier | 44 // https://html.spec.whatwg.org/#resolve-a-module-specifier |
26 static KURL resolveModuleSpecifier(const String& moduleRequest, | 45 static KURL resolveModuleSpecifier(const String& moduleRequest, |
27 const KURL& baseURL); | 46 const KURL& baseURL); |
47 | |
48 private: | |
49 friend class ModuleMap; | |
50 | |
51 // Asynchronously fetches a single module script. | |
hiroshige
2017/02/22 01:21:29
If ModuleScriptLoader::fetch() can notify ModuleSc
kouhei (in TOK)
2017/02/22 07:08:04
Done.
| |
52 // This is triggered from fetchSingle() implementation (which is ModuleMap) if | |
hiroshige
2017/02/22 01:21:29
nit: s/which is/which is in/?
kouhei (in TOK)
2017/02/22 07:08:04
Done.
| |
53 // the cached entry doesn't exist. | |
54 virtual void fetchNewSingleModule(const ModuleScriptFetchRequest&, | |
55 ModuleGraphLevel, | |
56 ModuleScriptLoaderClient*) = 0; | |
28 }; | 57 }; |
29 | 58 |
30 } // namespace blink | 59 } // namespace blink |
31 | 60 |
32 #endif | 61 #endif |
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