The Tor Browser / file comparison
comparison: parser/html/nsHtml5DocumentBuilder.cpp
parser/html/nsHtml5DocumentBuilder.cpp
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
equal
deleted
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replaced
| -1:000000000000 | 0:a02348451e5c |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 sw=2 et tw=78: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "nsHtml5DocumentBuilder.h" | |
| 8 | |
| 9 #include "nsIStyleSheetLinkingElement.h" | |
| 10 #include "nsStyleLinkElement.h" | |
| 11 #include "nsScriptLoader.h" | |
| 12 #include "nsIHTMLDocument.h" | |
| 13 | |
| 14 NS_IMPL_CYCLE_COLLECTION_INHERITED(nsHtml5DocumentBuilder, nsContentSink, | |
| 15 mOwnedElements) | |
| 16 | |
| 17 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(nsHtml5DocumentBuilder) | |
| 18 NS_INTERFACE_MAP_END_INHERITING(nsContentSink) | |
| 19 | |
| 20 NS_IMPL_ADDREF_INHERITED(nsHtml5DocumentBuilder, nsContentSink) | |
| 21 NS_IMPL_RELEASE_INHERITED(nsHtml5DocumentBuilder, nsContentSink) | |
| 22 | |
| 23 nsHtml5DocumentBuilder::nsHtml5DocumentBuilder(bool aRunsToCompletion) | |
| 24 { | |
| 25 mRunsToCompletion = aRunsToCompletion; | |
| 26 } | |
| 27 | |
| 28 nsresult | |
| 29 nsHtml5DocumentBuilder::Init(nsIDocument* aDoc, | |
| 30 nsIURI* aURI, | |
| 31 nsISupports* aContainer, | |
| 32 nsIChannel* aChannel) | |
| 33 { | |
| 34 return nsContentSink::Init(aDoc, aURI, aContainer, aChannel); | |
| 35 } | |
| 36 | |
| 37 nsHtml5DocumentBuilder::~nsHtml5DocumentBuilder() | |
| 38 { | |
| 39 } | |
| 40 | |
| 41 nsresult | |
| 42 nsHtml5DocumentBuilder::MarkAsBroken(nsresult aReason) | |
| 43 { | |
| 44 mBroken = aReason; | |
| 45 return aReason; | |
| 46 } | |
| 47 | |
| 48 void | |
| 49 nsHtml5DocumentBuilder::SetDocumentCharsetAndSource(nsACString& aCharset, int32_t aCharsetSource) | |
| 50 { | |
| 51 if (mDocument) { | |
| 52 mDocument->SetDocumentCharacterSetSource(aCharsetSource); | |
| 53 mDocument->SetDocumentCharacterSet(aCharset); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 void | |
| 58 nsHtml5DocumentBuilder::UpdateStyleSheet(nsIContent* aElement) | |
| 59 { | |
| 60 // Break out of the doc update created by Flush() to zap a runnable | |
| 61 // waiting to call UpdateStyleSheet without the right observer | |
| 62 EndDocUpdate(); | |
| 63 | |
| 64 if (MOZ_UNLIKELY(!mParser)) { | |
| 65 // EndDocUpdate ran stuff that called nsIParser::Terminate() | |
| 66 return; | |
| 67 } | |
| 68 | |
| 69 nsCOMPtr<nsIStyleSheetLinkingElement> ssle(do_QueryInterface(aElement)); | |
| 70 NS_ASSERTION(ssle, "Node didn't QI to style."); | |
| 71 | |
| 72 ssle->SetEnableUpdates(true); | |
| 73 | |
| 74 bool willNotify; | |
| 75 bool isAlternate; | |
| 76 nsresult rv = ssle->UpdateStyleSheet(mRunsToCompletion ? nullptr : this, | |
| 77 &willNotify, | |
| 78 &isAlternate); | |
| 79 if (NS_SUCCEEDED(rv) && willNotify && !isAlternate && !mRunsToCompletion) { | |
| 80 ++mPendingSheetCount; | |
| 81 mScriptLoader->AddExecuteBlocker(); | |
| 82 } | |
| 83 | |
| 84 if (aElement->IsHTML(nsGkAtoms::link)) { | |
| 85 // look for <link rel="next" href="url"> | |
| 86 nsAutoString relVal; | |
| 87 aElement->GetAttr(kNameSpaceID_None, nsGkAtoms::rel, relVal); | |
| 88 if (!relVal.IsEmpty()) { | |
| 89 uint32_t linkTypes = nsStyleLinkElement::ParseLinkTypes(relVal); | |
| 90 bool hasPrefetch = linkTypes & nsStyleLinkElement::ePREFETCH; | |
| 91 if (hasPrefetch || (linkTypes & nsStyleLinkElement::eNEXT)) { | |
| 92 nsAutoString hrefVal; | |
| 93 aElement->GetAttr(kNameSpaceID_None, nsGkAtoms::href, hrefVal); | |
| 94 if (!hrefVal.IsEmpty()) { | |
| 95 PrefetchHref(hrefVal, aElement, hasPrefetch); | |
| 96 } | |
| 97 } | |
| 98 if (linkTypes & nsStyleLinkElement::eDNS_PREFETCH) { | |
| 99 nsAutoString hrefVal; | |
| 100 aElement->GetAttr(kNameSpaceID_None, nsGkAtoms::href, hrefVal); | |
| 101 if (!hrefVal.IsEmpty()) { | |
| 102 PrefetchDNS(hrefVal); | |
| 103 } | |
| 104 } | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 // Re-open update | |
| 109 BeginDocUpdate(); | |
| 110 } | |
| 111 | |
| 112 void | |
| 113 nsHtml5DocumentBuilder::SetDocumentMode(nsHtml5DocumentMode m) | |
| 114 { | |
| 115 nsCompatibility mode = eCompatibility_NavQuirks; | |
| 116 switch (m) { | |
| 117 case STANDARDS_MODE: | |
| 118 mode = eCompatibility_FullStandards; | |
| 119 break; | |
| 120 case ALMOST_STANDARDS_MODE: | |
| 121 mode = eCompatibility_AlmostStandards; | |
| 122 break; | |
| 123 case QUIRKS_MODE: | |
| 124 mode = eCompatibility_NavQuirks; | |
| 125 break; | |
| 126 } | |
| 127 nsCOMPtr<nsIHTMLDocument> htmlDocument = do_QueryInterface(mDocument); | |
| 128 NS_ASSERTION(htmlDocument, "Document didn't QI into HTML document."); | |
| 129 htmlDocument->SetCompatibilityMode(mode); | |
| 130 } | |
| 131 | |
| 132 // nsContentSink overrides | |
| 133 | |
| 134 void | |
| 135 nsHtml5DocumentBuilder::UpdateChildCounts() | |
| 136 { | |
| 137 // No-op | |
| 138 } | |
| 139 | |
| 140 nsresult | |
| 141 nsHtml5DocumentBuilder::FlushTags() | |
| 142 { | |
| 143 return NS_OK; | |
| 144 } |
