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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 |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 * | 18 * |
19 */ | 19 */ |
20 | 20 |
21 #ifndef ScriptLoader_h | 21 #ifndef ScriptLoader_h |
22 #define ScriptLoader_h | 22 #define ScriptLoader_h |
23 | 23 |
24 #include "core/CoreExport.h" | 24 #include "core/CoreExport.h" |
25 #include "core/dom/PendingScript.h" | 25 #include "core/dom/PendingScript.h" |
| 26 #include "core/dom/Script.h" |
26 #include "core/dom/ScriptRunner.h" | 27 #include "core/dom/ScriptRunner.h" |
27 #include "core/loader/resource/ScriptResource.h" | 28 #include "core/loader/resource/ScriptResource.h" |
28 #include "platform/loader/fetch/FetchParameters.h" | 29 #include "platform/loader/fetch/FetchParameters.h" |
29 #include "platform/loader/fetch/ResourceClient.h" | 30 #include "platform/loader/fetch/ResourceClient.h" |
30 #include "platform/wtf/text/TextPosition.h" | 31 #include "platform/wtf/text/TextPosition.h" |
31 #include "platform/wtf/text/WTFString.h" | 32 #include "platform/wtf/text/WTFString.h" |
32 | 33 |
33 namespace blink { | 34 namespace blink { |
34 | 35 |
35 class ScriptElementBase; | 36 class ScriptElementBase; |
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51 ~ScriptLoader() override; | 52 ~ScriptLoader() override; |
52 DECLARE_VIRTUAL_TRACE(); | 53 DECLARE_VIRTUAL_TRACE(); |
53 | 54 |
54 enum LegacyTypeSupport { | 55 enum LegacyTypeSupport { |
55 kDisallowLegacyTypeInTypeAttribute, | 56 kDisallowLegacyTypeInTypeAttribute, |
56 kAllowLegacyTypeInTypeAttribute | 57 kAllowLegacyTypeInTypeAttribute |
57 }; | 58 }; |
58 static bool IsValidScriptTypeAndLanguage( | 59 static bool IsValidScriptTypeAndLanguage( |
59 const String& type_attribute_value, | 60 const String& type_attribute_value, |
60 const String& language_attribute_value, | 61 const String& language_attribute_value, |
61 LegacyTypeSupport support_legacy_types); | 62 LegacyTypeSupport support_legacy_types, |
| 63 ScriptType& out_script_type); |
62 | 64 |
63 // https://html.spec.whatwg.org/#prepare-a-script | 65 // https://html.spec.whatwg.org/#prepare-a-script |
64 bool PrepareScript(const TextPosition& script_start_position = | 66 bool PrepareScript(const TextPosition& script_start_position = |
65 TextPosition::MinimumPosition(), | 67 TextPosition::MinimumPosition(), |
66 LegacyTypeSupport = kDisallowLegacyTypeInTypeAttribute); | 68 LegacyTypeSupport = kDisallowLegacyTypeInTypeAttribute); |
67 | 69 |
68 String ScriptContent() const; | 70 String ScriptContent() const; |
69 | 71 |
70 // Creates a PendingScript for external script whose fetch is started in | 72 // Creates a PendingScript for external script whose fetch is started in |
71 // fetchScript(). | 73 // fetchScript(). |
72 PendingScript* CreatePendingScript(); | 74 PendingScript* CreatePendingScript(); |
73 | 75 |
74 // Returns false if and only if execution was blocked. | 76 // Returns false if and only if execution was blocked. |
75 bool ExecuteScript(const Script*); | 77 bool ExecuteScript(const Script*); |
76 virtual void Execute(); | 78 virtual void Execute(); |
77 | 79 |
78 // XML parser calls these | 80 // XML parser calls these |
79 void DispatchLoadEvent(); | 81 void DispatchLoadEvent(); |
80 void DispatchErrorEvent(); | 82 void DispatchErrorEvent(); |
81 bool IsScriptTypeSupported(LegacyTypeSupport) const; | 83 bool IsScriptTypeSupported(LegacyTypeSupport, |
| 84 ScriptType& out_script_type) const; |
82 | 85 |
83 bool HaveFiredLoadEvent() const { return have_fired_load_; } | 86 bool HaveFiredLoadEvent() const { return have_fired_load_; } |
84 bool WillBeParserExecuted() const { return will_be_parser_executed_; } | 87 bool WillBeParserExecuted() const { return will_be_parser_executed_; } |
85 bool ReadyToBeParserExecuted() const { return ready_to_be_parser_executed_; } | 88 bool ReadyToBeParserExecuted() const { return ready_to_be_parser_executed_; } |
86 bool WillExecuteWhenDocumentFinishedParsing() const { | 89 bool WillExecuteWhenDocumentFinishedParsing() const { |
87 return will_execute_when_document_finished_parsing_; | 90 return will_execute_when_document_finished_parsing_; |
88 } | 91 } |
89 ScriptResource* GetResource() { return resource_.Get(); } | 92 ScriptResource* GetResource() { return resource_.Get(); } |
90 | 93 |
91 void SetHaveFiredLoadEvent(bool have_fired_load) { | 94 void SetHaveFiredLoadEvent(bool have_fired_load) { |
92 have_fired_load_ = have_fired_load; | 95 have_fired_load_ = have_fired_load; |
93 } | 96 } |
94 bool IsParserInserted() const { return parser_inserted_; } | 97 bool IsParserInserted() const { return parser_inserted_; } |
95 bool AlreadyStarted() const { return already_started_; } | 98 bool AlreadyStarted() const { return already_started_; } |
96 bool IsNonBlocking() const { return non_blocking_; } | 99 bool IsNonBlocking() const { return non_blocking_; } |
| 100 ScriptType GetScriptType() const { return script_type_; } |
97 | 101 |
98 // Helper functions used by our parent classes. | 102 // Helper functions used by our parent classes. |
99 void DidNotifySubtreeInsertionsToDocument(); | 103 void DidNotifySubtreeInsertionsToDocument(); |
100 void ChildrenChanged(); | 104 void ChildrenChanged(); |
101 void HandleSourceAttribute(const String& source_url); | 105 void HandleSourceAttribute(const String& source_url); |
102 void HandleAsyncAttribute(); | 106 void HandleAsyncAttribute(); |
103 | 107 |
104 virtual bool IsReady() const { | 108 virtual bool IsReady() const { |
105 return pending_script_ && pending_script_->IsReady(); | 109 return pending_script_ && pending_script_->IsReady(); |
106 } | 110 } |
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156 | 160 |
157 // https://html.spec.whatwg.org/#non-blocking | 161 // https://html.spec.whatwg.org/#non-blocking |
158 // "Initially, script elements must have this flag set." | 162 // "Initially, script elements must have this flag set." |
159 bool non_blocking_ = true; | 163 bool non_blocking_ = true; |
160 | 164 |
161 // https://html.spec.whatwg.org/#ready-to-be-parser-executed | 165 // https://html.spec.whatwg.org/#ready-to-be-parser-executed |
162 // "Initially, script elements must have this flag unset" | 166 // "Initially, script elements must have this flag unset" |
163 bool ready_to_be_parser_executed_ = false; | 167 bool ready_to_be_parser_executed_ = false; |
164 | 168 |
165 // https://html.spec.whatwg.org/#concept-script-type | 169 // https://html.spec.whatwg.org/#concept-script-type |
166 // TODO(hiroshige): Implement "script's type". | 170 // "It is determined when the script is prepared" |
| 171 // TODO(hiroshige): Currently |script_type_| is set but ignored, and |
| 172 // thus is handled as if it is a classic script even if type is "module" |
| 173 // and module scripts is enabled. |
| 174 ScriptType script_type_ = ScriptType::kClassic; |
167 | 175 |
168 // https://html.spec.whatwg.org/#concept-script-external | 176 // https://html.spec.whatwg.org/#concept-script-external |
169 // "It is determined when the script is prepared" | 177 // "It is determined when the script is prepared" |
170 bool is_external_script_ = false; | 178 bool is_external_script_ = false; |
171 | 179 |
172 bool have_fired_load_; | 180 bool have_fired_load_; |
173 | 181 |
174 // Same as "The parser will handle executing the script." | 182 // Same as "The parser will handle executing the script." |
175 bool will_be_parser_executed_; | 183 bool will_be_parser_executed_; |
176 | 184 |
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193 }; | 201 }; |
194 | 202 |
195 DocumentWriteIntervention document_write_intervention_; | 203 DocumentWriteIntervention document_write_intervention_; |
196 | 204 |
197 Member<PendingScript> pending_script_; | 205 Member<PendingScript> pending_script_; |
198 }; | 206 }; |
199 | 207 |
200 } // namespace blink | 208 } // namespace blink |
201 | 209 |
202 #endif // ScriptLoader_h | 210 #endif // ScriptLoader_h |
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