The Tor Browser / file comparison
comparison: content/base/src/nsScriptElement.cpp
content/base/src/nsScriptElement.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:f10855206a9c |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsScriptElement.h" | |
| 7 #include "mozilla/BasicEvents.h" | |
| 8 #include "mozilla/EventDispatcher.h" | |
| 9 #include "mozilla/dom/Element.h" | |
| 10 #include "nsContentUtils.h" | |
| 11 #include "nsPresContext.h" | |
| 12 #include "nsScriptLoader.h" | |
| 13 #include "nsIParser.h" | |
| 14 #include "nsAutoPtr.h" | |
| 15 #include "nsGkAtoms.h" | |
| 16 #include "nsContentSink.h" | |
| 17 | |
| 18 using namespace mozilla; | |
| 19 using namespace mozilla::dom; | |
| 20 | |
| 21 NS_IMETHODIMP | |
| 22 nsScriptElement::ScriptAvailable(nsresult aResult, | |
| 23 nsIScriptElement *aElement, | |
| 24 bool aIsInline, | |
| 25 nsIURI *aURI, | |
| 26 int32_t aLineNo) | |
| 27 { | |
| 28 if (!aIsInline && NS_FAILED(aResult)) { | |
| 29 return FireErrorEvent(); | |
| 30 } | |
| 31 return NS_OK; | |
| 32 } | |
| 33 | |
| 34 /* virtual */ nsresult | |
| 35 nsScriptElement::FireErrorEvent() | |
| 36 { | |
| 37 nsCOMPtr<nsIContent> cont = | |
| 38 do_QueryInterface((nsIScriptElement*) this); | |
| 39 | |
| 40 return nsContentUtils::DispatchTrustedEvent(cont->OwnerDoc(), | |
| 41 cont, | |
| 42 NS_LITERAL_STRING("error"), | |
| 43 false /* bubbles */, | |
| 44 false /* cancelable */); | |
| 45 } | |
| 46 | |
| 47 NS_IMETHODIMP | |
| 48 nsScriptElement::ScriptEvaluated(nsresult aResult, | |
| 49 nsIScriptElement *aElement, | |
| 50 bool aIsInline) | |
| 51 { | |
| 52 nsresult rv = NS_OK; | |
| 53 if (!aIsInline) { | |
| 54 nsCOMPtr<nsIContent> cont = | |
| 55 do_QueryInterface((nsIScriptElement*) this); | |
| 56 | |
| 57 nsRefPtr<nsPresContext> presContext = | |
| 58 nsContentUtils::GetContextForContent(cont); | |
| 59 | |
| 60 nsEventStatus status = nsEventStatus_eIgnore; | |
| 61 uint32_t type = NS_SUCCEEDED(aResult) ? NS_LOAD : NS_LOAD_ERROR; | |
| 62 WidgetEvent event(true, type); | |
| 63 // Load event doesn't bubble. | |
| 64 event.mFlags.mBubbles = (type != NS_LOAD); | |
| 65 | |
| 66 EventDispatcher::Dispatch(cont, presContext, &event, nullptr, &status); | |
| 67 } | |
| 68 | |
| 69 return rv; | |
| 70 } | |
| 71 | |
| 72 void | |
| 73 nsScriptElement::CharacterDataChanged(nsIDocument *aDocument, | |
| 74 nsIContent* aContent, | |
| 75 CharacterDataChangeInfo* aInfo) | |
| 76 { | |
| 77 MaybeProcessScript(); | |
| 78 } | |
| 79 | |
| 80 void | |
| 81 nsScriptElement::AttributeChanged(nsIDocument* aDocument, | |
| 82 Element* aElement, | |
| 83 int32_t aNameSpaceID, | |
| 84 nsIAtom* aAttribute, | |
| 85 int32_t aModType) | |
| 86 { | |
| 87 MaybeProcessScript(); | |
| 88 } | |
| 89 | |
| 90 void | |
| 91 nsScriptElement::ContentAppended(nsIDocument* aDocument, | |
| 92 nsIContent* aContainer, | |
| 93 nsIContent* aFirstNewContent, | |
| 94 int32_t aNewIndexInContainer) | |
| 95 { | |
| 96 MaybeProcessScript(); | |
| 97 } | |
| 98 | |
| 99 void | |
| 100 nsScriptElement::ContentInserted(nsIDocument *aDocument, | |
| 101 nsIContent* aContainer, | |
| 102 nsIContent* aChild, | |
| 103 int32_t aIndexInContainer) | |
| 104 { | |
| 105 MaybeProcessScript(); | |
| 106 } | |
| 107 | |
| 108 bool | |
| 109 nsScriptElement::MaybeProcessScript() | |
| 110 { | |
| 111 nsCOMPtr<nsIContent> cont = | |
| 112 do_QueryInterface((nsIScriptElement*) this); | |
| 113 | |
| 114 NS_ASSERTION(cont->DebugGetSlots()->mMutationObservers.Contains(this), | |
| 115 "You forgot to add self as observer"); | |
| 116 | |
| 117 if (mAlreadyStarted || !mDoneAddingChildren || !cont->IsInDoc() || | |
| 118 mMalformed || !HasScriptContent()) { | |
| 119 return false; | |
| 120 } | |
| 121 | |
| 122 FreezeUriAsyncDefer(); | |
| 123 | |
| 124 mAlreadyStarted = true; | |
| 125 | |
| 126 nsIDocument* ownerDoc = cont->OwnerDoc(); | |
| 127 nsCOMPtr<nsIParser> parser = ((nsIScriptElement*) this)->GetCreatorParser(); | |
| 128 if (parser) { | |
| 129 nsCOMPtr<nsIContentSink> sink = parser->GetContentSink(); | |
| 130 if (sink) { | |
| 131 nsCOMPtr<nsIDocument> parserDoc = do_QueryInterface(sink->GetTarget()); | |
| 132 if (ownerDoc != parserDoc) { | |
| 133 // Willful violation of HTML5 as of 2010-12-01 | |
| 134 return false; | |
| 135 } | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 nsRefPtr<nsScriptLoader> loader = ownerDoc->ScriptLoader(); | |
| 140 return loader->ProcessScriptElement(this); | |
| 141 } |
