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1 /* | 1 /* |
2 * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org> |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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32 #include "public/platform/WebURLRequest.h" | 32 #include "public/platform/WebURLRequest.h" |
33 | 33 |
34 namespace blink { | 34 namespace blink { |
35 | 35 |
36 class ScriptElementBase; | 36 class ScriptElementBase; |
37 class Script; | 37 class Script; |
38 | 38 |
39 class ResourceFetcher; | 39 class ResourceFetcher; |
40 class ScriptResource; | 40 class ScriptResource; |
41 | 41 |
| 42 class Modulator; |
| 43 class ModulePendingScriptTreeClient; |
| 44 |
42 class CORE_EXPORT ScriptLoader : public GarbageCollectedFinalized<ScriptLoader>, | 45 class CORE_EXPORT ScriptLoader : public GarbageCollectedFinalized<ScriptLoader>, |
43 public PendingScriptClient { | 46 public PendingScriptClient { |
44 USING_GARBAGE_COLLECTED_MIXIN(ScriptLoader); | 47 USING_GARBAGE_COLLECTED_MIXIN(ScriptLoader); |
45 | 48 |
46 public: | 49 public: |
47 static ScriptLoader* Create(ScriptElementBase* element, | 50 static ScriptLoader* Create(ScriptElementBase* element, |
48 bool created_by_parser, | 51 bool created_by_parser, |
49 bool is_evaluated, | 52 bool is_evaluated, |
50 bool created_during_document_write = false) { | 53 bool created_during_document_write = false) { |
51 return new ScriptLoader(element, created_by_parser, is_evaluated, | 54 return new ScriptLoader(element, created_by_parser, is_evaluated, |
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68 static bool BlockForNoModule(ScriptType, bool nomodule); | 71 static bool BlockForNoModule(ScriptType, bool nomodule); |
69 | 72 |
70 // https://html.spec.whatwg.org/#prepare-a-script | 73 // https://html.spec.whatwg.org/#prepare-a-script |
71 bool PrepareScript(const TextPosition& script_start_position = | 74 bool PrepareScript(const TextPosition& script_start_position = |
72 TextPosition::MinimumPosition(), | 75 TextPosition::MinimumPosition(), |
73 LegacyTypeSupport = kDisallowLegacyTypeInTypeAttribute); | 76 LegacyTypeSupport = kDisallowLegacyTypeInTypeAttribute); |
74 | 77 |
75 String ScriptContent() const; | 78 String ScriptContent() const; |
76 | 79 |
77 // Creates a PendingScript for external script whose fetch is started in | 80 // Creates a PendingScript for external script whose fetch is started in |
78 // FetchClassicScript(). | 81 // FetchClassicScript()/FetchModuleScriptTree(). |
79 PendingScript* CreatePendingScript(); | 82 PendingScript* CreatePendingScript(); |
80 | 83 |
81 // Returns false if and only if execution was blocked. | 84 // Returns false if and only if execution was blocked. |
82 bool ExecuteScript(const Script*); | 85 bool ExecuteScript(const Script*); |
83 virtual void Execute(); | 86 virtual void Execute(); |
84 | 87 |
85 // XML parser calls these | 88 // XML parser calls these |
86 void DispatchLoadEvent(); | 89 void DispatchLoadEvent(); |
87 void DispatchErrorEvent(); | 90 void DispatchErrorEvent(); |
88 bool IsScriptTypeSupported(LegacyTypeSupport, | 91 bool IsScriptTypeSupported(LegacyTypeSupport, |
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143 // | 146 // |
144 // https://html.spec.whatwg.org/#fetch-a-classic-script | 147 // https://html.spec.whatwg.org/#fetch-a-classic-script |
145 bool FetchClassicScript(const KURL&, | 148 bool FetchClassicScript(const KURL&, |
146 ResourceFetcher*, | 149 ResourceFetcher*, |
147 const String& nonce, | 150 const String& nonce, |
148 const IntegrityMetadataSet&, | 151 const IntegrityMetadataSet&, |
149 ParserDisposition, | 152 ParserDisposition, |
150 CrossOriginAttributeValue, | 153 CrossOriginAttributeValue, |
151 SecurityOrigin*, | 154 SecurityOrigin*, |
152 const String& encoding); | 155 const String& encoding); |
| 156 // https://html.spec.whatwg.org/#fetch-a-module-script-tree |
| 157 void FetchModuleScriptTree(const KURL&, |
| 158 Modulator*, |
| 159 const String& nonce, |
| 160 ParserDisposition, |
| 161 WebURLRequest::FetchCredentialsMode); |
153 | 162 |
154 bool DoExecuteScript(const Script*); | 163 bool DoExecuteScript(const Script*); |
155 | 164 |
156 // Clears the connection to the PendingScript. | 165 // Clears the connection to the PendingScript. |
157 void DetachPendingScript(); | 166 void DetachPendingScript(); |
158 | 167 |
159 // PendingScriptClient | 168 // PendingScriptClient |
160 void PendingScriptFinished(PendingScript*) override; | 169 void PendingScriptFinished(PendingScript*) override; |
161 | 170 |
162 Member<ScriptElementBase> element_; | 171 Member<ScriptElementBase> element_; |
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177 // https://html.spec.whatwg.org/#non-blocking | 186 // https://html.spec.whatwg.org/#non-blocking |
178 // "Initially, script elements must have this flag set." | 187 // "Initially, script elements must have this flag set." |
179 bool non_blocking_ = true; | 188 bool non_blocking_ = true; |
180 | 189 |
181 // https://html.spec.whatwg.org/#ready-to-be-parser-executed | 190 // https://html.spec.whatwg.org/#ready-to-be-parser-executed |
182 // "Initially, script elements must have this flag unset" | 191 // "Initially, script elements must have this flag unset" |
183 bool ready_to_be_parser_executed_ = false; | 192 bool ready_to_be_parser_executed_ = false; |
184 | 193 |
185 // https://html.spec.whatwg.org/#concept-script-type | 194 // https://html.spec.whatwg.org/#concept-script-type |
186 // "It is determined when the script is prepared" | 195 // "It is determined when the script is prepared" |
187 // TODO(hiroshige): Currently |script_type_| is set but ignored, and | |
188 // thus is handled as if it is a classic script even if type is "module" | |
189 // and module scripts is enabled. | |
190 ScriptType script_type_ = ScriptType::kClassic; | 196 ScriptType script_type_ = ScriptType::kClassic; |
191 | 197 |
192 // https://html.spec.whatwg.org/#concept-script-external | 198 // https://html.spec.whatwg.org/#concept-script-external |
193 // "It is determined when the script is prepared" | 199 // "It is determined when the script is prepared" |
194 bool is_external_script_ = false; | 200 bool is_external_script_ = false; |
195 | 201 |
196 bool have_fired_load_; | 202 bool have_fired_load_; |
197 | 203 |
198 // Same as "The parser will handle executing the script." | 204 // Same as "The parser will handle executing the script." |
199 bool will_be_parser_executed_; | 205 bool will_be_parser_executed_; |
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212 // present in the http cache, send a GET for it with an interventions | 218 // present in the http cache, send a GET for it with an interventions |
213 // header to allow the server to know of the intervention. This fetch | 219 // header to allow the server to know of the intervention. This fetch |
214 // will be using DeferOption::IdleLoad to keep it out of the critical | 220 // will be using DeferOption::IdleLoad to keep it out of the critical |
215 // path. | 221 // path. |
216 kFetchDocWrittenScriptDeferIdle, | 222 kFetchDocWrittenScriptDeferIdle, |
217 }; | 223 }; |
218 | 224 |
219 DocumentWriteIntervention document_write_intervention_; | 225 DocumentWriteIntervention document_write_intervention_; |
220 | 226 |
221 Member<PendingScript> pending_script_; | 227 Member<PendingScript> pending_script_; |
| 228 Member<ModulePendingScriptTreeClient> module_tree_client_; |
222 }; | 229 }; |
223 | 230 |
224 } // namespace blink | 231 } // namespace blink |
225 | 232 |
226 #endif // ScriptLoader_h | 233 #endif // ScriptLoader_h |
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