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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2001 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserv
ed. | 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserv
ed. |
6 * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org> | 6 * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org> |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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53 #include "public/platform/WebFrameScheduler.h" | 53 #include "public/platform/WebFrameScheduler.h" |
54 #include "wtf/StdLibExtras.h" | 54 #include "wtf/StdLibExtras.h" |
55 #include "wtf/text/StringBuilder.h" | 55 #include "wtf/text/StringBuilder.h" |
56 #include "wtf/text/StringHash.h" | 56 #include "wtf/text/StringHash.h" |
57 | 57 |
58 namespace blink { | 58 namespace blink { |
59 | 59 |
60 ScriptLoader::ScriptLoader(Element* element, bool parserInserted, bool alreadySt
arted) | 60 ScriptLoader::ScriptLoader(Element* element, bool parserInserted, bool alreadySt
arted) |
61 : m_element(element) | 61 : m_element(element) |
62 , m_resource(0) | 62 , m_resource(0) |
| 63 , m_originWorld(nullptr) |
63 , m_startLineNumber(WTF::OrdinalNumber::beforeFirst()) | 64 , m_startLineNumber(WTF::OrdinalNumber::beforeFirst()) |
64 , m_parserInserted(parserInserted) | 65 , m_parserInserted(parserInserted) |
65 , m_isExternalScript(false) | 66 , m_isExternalScript(false) |
66 , m_alreadyStarted(alreadyStarted) | 67 , m_alreadyStarted(alreadyStarted) |
67 , m_haveFiredLoad(false) | 68 , m_haveFiredLoad(false) |
68 , m_willBeParserExecuted(false) | 69 , m_willBeParserExecuted(false) |
69 , m_readyToBeParserExecuted(false) | 70 , m_readyToBeParserExecuted(false) |
70 , m_willExecuteWhenDocumentFinishedParsing(false) | 71 , m_willExecuteWhenDocumentFinishedParsing(false) |
71 , m_forceAsync(!parserInserted) | 72 , m_forceAsync(!parserInserted) |
72 , m_willExecuteInOrder(false) | 73 , m_willExecuteInOrder(false) |
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241 m_characterEncoding = elementDocument.characterSet(); | 242 m_characterEncoding = elementDocument.characterSet(); |
242 | 243 |
243 if (client->hasSourceAttribute()) { | 244 if (client->hasSourceAttribute()) { |
244 FetchRequest::DeferOption defer = FetchRequest::NoDefer; | 245 FetchRequest::DeferOption defer = FetchRequest::NoDefer; |
245 if (!m_parserInserted || client->asyncAttributeValue() || client->deferA
ttributeValue()) | 246 if (!m_parserInserted || client->asyncAttributeValue() || client->deferA
ttributeValue()) |
246 defer = FetchRequest::LazyLoad; | 247 defer = FetchRequest::LazyLoad; |
247 if (!fetchScript(client->sourceAttributeValue(), defer)) | 248 if (!fetchScript(client->sourceAttributeValue(), defer)) |
248 return false; | 249 return false; |
249 } | 250 } |
250 | 251 |
| 252 // Store the origin to apply when the script is done loading, as the script
could be loaded in the main world. |
| 253 if (v8::Isolate::GetCurrent()->InContext()) { |
| 254 m_originWorld = PassRefPtr<DOMWrapperWorld>(DOMWrapperWorld::current(v8:
:Isolate::GetCurrent()).originWorld()); |
| 255 } |
| 256 |
251 if (client->hasSourceAttribute() && client->deferAttributeValue() && m_parse
rInserted && !client->asyncAttributeValue()) { | 257 if (client->hasSourceAttribute() && client->deferAttributeValue() && m_parse
rInserted && !client->asyncAttributeValue()) { |
252 m_willExecuteWhenDocumentFinishedParsing = true; | 258 m_willExecuteWhenDocumentFinishedParsing = true; |
253 m_willBeParserExecuted = true; | 259 m_willBeParserExecuted = true; |
254 } else if (client->hasSourceAttribute() && m_parserInserted && !client->asyn
cAttributeValue()) { | 260 } else if (client->hasSourceAttribute() && m_parserInserted && !client->asyn
cAttributeValue()) { |
255 m_willBeParserExecuted = true; | 261 m_willBeParserExecuted = true; |
256 } else if (!client->hasSourceAttribute() && m_parserInserted && !elementDocu
ment.isRenderingReady()) { | 262 } else if (!client->hasSourceAttribute() && m_parserInserted && !elementDocu
ment.isRenderingReady()) { |
257 m_willBeParserExecuted = true; | 263 m_willBeParserExecuted = true; |
258 m_readyToBeParserExecuted = true; | 264 m_readyToBeParserExecuted = true; |
259 } else if (client->hasSourceAttribute() && !client->asyncAttributeValue() &&
!m_forceAsync) { | 265 } else if (client->hasSourceAttribute() && !client->asyncAttributeValue() &&
!m_forceAsync) { |
260 m_willExecuteInOrder = true; | 266 m_willExecuteInOrder = true; |
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414 } | 420 } |
415 | 421 |
416 const bool isImportedScript = contextDocument != elementDocument; | 422 const bool isImportedScript = contextDocument != elementDocument; |
417 // http://www.whatwg.org/specs/web-apps/current-work/#execute-the-script-blo
ck step 2.3 | 423 // http://www.whatwg.org/specs/web-apps/current-work/#execute-the-script-blo
ck step 2.3 |
418 // with additional support for HTML imports. | 424 // with additional support for HTML imports. |
419 IgnoreDestructiveWriteCountIncrementer ignoreDestructiveWriteCountIncremente
r(m_isExternalScript || isImportedScript ? contextDocument.get() : 0); | 425 IgnoreDestructiveWriteCountIncrementer ignoreDestructiveWriteCountIncremente
r(m_isExternalScript || isImportedScript ? contextDocument.get() : 0); |
420 | 426 |
421 if (isHTMLScriptLoader(m_element)) | 427 if (isHTMLScriptLoader(m_element)) |
422 contextDocument->pushCurrentScript(toHTMLScriptElement(m_element)); | 428 contextDocument->pushCurrentScript(toHTMLScriptElement(m_element)); |
423 | 429 |
| 430 // Ensure the origin world gets propagated to the script and is reset afterw
ards. |
| 431 DOMWrapperWorld::OriginWorldScope worldScope(m_originWorld); |
| 432 |
424 // Create a script from the script element node, using the script | 433 // Create a script from the script element node, using the script |
425 // block's source and the script block's type. | 434 // block's source and the script block's type. |
426 // Note: This is where the script is compiled and actually executed. | 435 // Note: This is where the script is compiled and actually executed. |
427 frame->script().executeScriptInMainWorld(sourceCode, accessControlStatus, co
mpilationFinishTime); | 436 frame->script().executeScriptInMainWorld(sourceCode, accessControlStatus, co
mpilationFinishTime); |
428 | 437 |
429 if (isHTMLScriptLoader(m_element)) { | 438 if (isHTMLScriptLoader(m_element)) { |
430 ASSERT(contextDocument->currentScript() == m_element); | 439 ASSERT(contextDocument->currentScript() == m_element); |
431 contextDocument->popCurrentScript(); | 440 contextDocument->popCurrentScript(); |
432 } | 441 } |
433 | 442 |
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521 if (isHTMLScriptLoader(element)) | 530 if (isHTMLScriptLoader(element)) |
522 return toHTMLScriptElement(element)->loader(); | 531 return toHTMLScriptElement(element)->loader(); |
523 | 532 |
524 if (isSVGScriptLoader(element)) | 533 if (isSVGScriptLoader(element)) |
525 return toSVGScriptElement(element)->loader(); | 534 return toSVGScriptElement(element)->loader(); |
526 | 535 |
527 return 0; | 536 return 0; |
528 } | 537 } |
529 | 538 |
530 } // namespace blink | 539 } // namespace blink |
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