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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 "bindings/core/v8/ScriptWrappable.h" | 8 #include "bindings/core/v8/ScriptWrappable.h" |
9 #include "bindings/core/v8/V8PerContextData.h" | 9 #include "bindings/core/v8/V8PerContextData.h" |
10 #include "core/CoreExport.h" | 10 #include "core/CoreExport.h" |
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82 | 82 |
83 // Asynchronously retrieve a module script from the module map, or fetch it | 83 // Asynchronously retrieve a module script from the module map, or fetch it |
84 // and put it in the map if it's not there already. | 84 // and put it in the map if it's not there already. |
85 // https://html.spec.whatwg.org/#fetch-a-single-module-script | 85 // https://html.spec.whatwg.org/#fetch-a-single-module-script |
86 virtual void FetchSingle(const ModuleScriptFetchRequest&, | 86 virtual void FetchSingle(const ModuleScriptFetchRequest&, |
87 ModuleGraphLevel, | 87 ModuleGraphLevel, |
88 SingleModuleClient*) = 0; | 88 SingleModuleClient*) = 0; |
89 | 89 |
90 // Synchronously retrieves a single module script from existing module map | 90 // Synchronously retrieves a single module script from existing module map |
91 // entry. | 91 // entry. |
| 92 // Note: returns nullptr if the module map entry is still "fetching". |
92 virtual ModuleScript* GetFetchedModuleScript(const KURL&) = 0; | 93 virtual ModuleScript* GetFetchedModuleScript(const KURL&) = 0; |
93 | 94 |
94 // https://html.spec.whatwg.org/#resolve-a-module-specifier | 95 // https://html.spec.whatwg.org/#resolve-a-module-specifier |
95 static KURL ResolveModuleSpecifier(const String& module_request, | 96 static KURL ResolveModuleSpecifier(const String& module_request, |
96 const KURL& base_url); | 97 const KURL& base_url); |
97 | 98 |
98 virtual ScriptModule CompileModule(const String& script, | 99 virtual ScriptModule CompileModule(const String& script, |
99 const String& url_str, | 100 const String& url_str, |
100 AccessControlStatus) = 0; | 101 AccessControlStatus) = 0; |
101 | 102 |
102 virtual ScriptValue InstantiateModule(ScriptModule) = 0; | 103 virtual ScriptValue InstantiateModule(ScriptModule) = 0; |
103 | 104 |
104 virtual Vector<String> ModuleRequestsFromScriptModule(ScriptModule) = 0; | 105 virtual Vector<String> ModuleRequestsFromScriptModule(ScriptModule) = 0; |
105 | 106 |
106 private: | 107 private: |
107 friend class ModuleMap; | 108 friend class ModuleMap; |
108 | 109 |
109 // Fetches a single module script. | 110 // Fetches a single module script. |
110 // This is triggered from fetchSingle() implementation (which is in ModuleMap) | 111 // This is triggered from fetchSingle() implementation (which is in ModuleMap) |
111 // if the cached entry doesn't exist. | 112 // if the cached entry doesn't exist. |
112 // The client can be notified either synchronously or asynchronously. | 113 // The client can be notified either synchronously or asynchronously. |
113 virtual void FetchNewSingleModule(const ModuleScriptFetchRequest&, | 114 virtual void FetchNewSingleModule(const ModuleScriptFetchRequest&, |
114 ModuleGraphLevel, | 115 ModuleGraphLevel, |
115 ModuleScriptLoaderClient*) = 0; | 116 ModuleScriptLoaderClient*) = 0; |
116 }; | 117 }; |
117 | 118 |
118 } // namespace blink | 119 } // namespace blink |
119 | 120 |
120 #endif | 121 #endif |
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