The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/parser/html/nsHtml5DocumentBuilder.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,144 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ts=2 sw=2 et tw=78: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "nsHtml5DocumentBuilder.h"
    1.11 +
    1.12 +#include "nsIStyleSheetLinkingElement.h"
    1.13 +#include "nsStyleLinkElement.h"
    1.14 +#include "nsScriptLoader.h"
    1.15 +#include "nsIHTMLDocument.h"
    1.16 +
    1.17 +NS_IMPL_CYCLE_COLLECTION_INHERITED(nsHtml5DocumentBuilder, nsContentSink,
    1.18 +                                   mOwnedElements)
    1.19 +
    1.20 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(nsHtml5DocumentBuilder)
    1.21 +NS_INTERFACE_MAP_END_INHERITING(nsContentSink)
    1.22 +
    1.23 +NS_IMPL_ADDREF_INHERITED(nsHtml5DocumentBuilder, nsContentSink)
    1.24 +NS_IMPL_RELEASE_INHERITED(nsHtml5DocumentBuilder, nsContentSink)
    1.25 +
    1.26 +nsHtml5DocumentBuilder::nsHtml5DocumentBuilder(bool aRunsToCompletion)
    1.27 +{
    1.28 +  mRunsToCompletion = aRunsToCompletion;
    1.29 +}
    1.30 +
    1.31 +nsresult
    1.32 +nsHtml5DocumentBuilder::Init(nsIDocument* aDoc,
    1.33 +                            nsIURI* aURI,
    1.34 +                            nsISupports* aContainer,
    1.35 +                            nsIChannel* aChannel)
    1.36 +{
    1.37 +  return nsContentSink::Init(aDoc, aURI, aContainer, aChannel);
    1.38 +}
    1.39 +
    1.40 +nsHtml5DocumentBuilder::~nsHtml5DocumentBuilder()
    1.41 +{
    1.42 +}
    1.43 +
    1.44 +nsresult
    1.45 +nsHtml5DocumentBuilder::MarkAsBroken(nsresult aReason)
    1.46 +{
    1.47 +  mBroken = aReason;
    1.48 +  return aReason;
    1.49 +}
    1.50 +
    1.51 +void
    1.52 +nsHtml5DocumentBuilder::SetDocumentCharsetAndSource(nsACString& aCharset, int32_t aCharsetSource)
    1.53 +{
    1.54 +  if (mDocument) {
    1.55 +    mDocument->SetDocumentCharacterSetSource(aCharsetSource);
    1.56 +    mDocument->SetDocumentCharacterSet(aCharset);
    1.57 +  }
    1.58 +}
    1.59 +
    1.60 +void
    1.61 +nsHtml5DocumentBuilder::UpdateStyleSheet(nsIContent* aElement)
    1.62 +{
    1.63 +  // Break out of the doc update created by Flush() to zap a runnable
    1.64 +  // waiting to call UpdateStyleSheet without the right observer
    1.65 +  EndDocUpdate();
    1.66 +
    1.67 +  if (MOZ_UNLIKELY(!mParser)) {
    1.68 +    // EndDocUpdate ran stuff that called nsIParser::Terminate()
    1.69 +    return;
    1.70 +  }
    1.71 +
    1.72 +  nsCOMPtr<nsIStyleSheetLinkingElement> ssle(do_QueryInterface(aElement));
    1.73 +  NS_ASSERTION(ssle, "Node didn't QI to style.");
    1.74 +
    1.75 +  ssle->SetEnableUpdates(true);
    1.76 +
    1.77 +  bool willNotify;
    1.78 +  bool isAlternate;
    1.79 +  nsresult rv = ssle->UpdateStyleSheet(mRunsToCompletion ? nullptr : this,
    1.80 +                                       &willNotify,
    1.81 +                                       &isAlternate);
    1.82 +  if (NS_SUCCEEDED(rv) && willNotify && !isAlternate && !mRunsToCompletion) {
    1.83 +    ++mPendingSheetCount;
    1.84 +    mScriptLoader->AddExecuteBlocker();
    1.85 +  }
    1.86 +
    1.87 +  if (aElement->IsHTML(nsGkAtoms::link)) {
    1.88 +    // look for <link rel="next" href="url">
    1.89 +    nsAutoString relVal;
    1.90 +    aElement->GetAttr(kNameSpaceID_None, nsGkAtoms::rel, relVal);
    1.91 +    if (!relVal.IsEmpty()) {
    1.92 +      uint32_t linkTypes = nsStyleLinkElement::ParseLinkTypes(relVal);
    1.93 +      bool hasPrefetch = linkTypes & nsStyleLinkElement::ePREFETCH;
    1.94 +      if (hasPrefetch || (linkTypes & nsStyleLinkElement::eNEXT)) {
    1.95 +        nsAutoString hrefVal;
    1.96 +        aElement->GetAttr(kNameSpaceID_None, nsGkAtoms::href, hrefVal);
    1.97 +        if (!hrefVal.IsEmpty()) {
    1.98 +          PrefetchHref(hrefVal, aElement, hasPrefetch);
    1.99 +        }
   1.100 +      }
   1.101 +      if (linkTypes & nsStyleLinkElement::eDNS_PREFETCH) {
   1.102 +        nsAutoString hrefVal;
   1.103 +        aElement->GetAttr(kNameSpaceID_None, nsGkAtoms::href, hrefVal);
   1.104 +        if (!hrefVal.IsEmpty()) {
   1.105 +          PrefetchDNS(hrefVal);
   1.106 +        }
   1.107 +      }
   1.108 +    }
   1.109 +  }
   1.110 +
   1.111 +  // Re-open update
   1.112 +  BeginDocUpdate();
   1.113 +}
   1.114 +
   1.115 +void
   1.116 +nsHtml5DocumentBuilder::SetDocumentMode(nsHtml5DocumentMode m)
   1.117 +{
   1.118 +  nsCompatibility mode = eCompatibility_NavQuirks;
   1.119 +  switch (m) {
   1.120 +    case STANDARDS_MODE:
   1.121 +      mode = eCompatibility_FullStandards;
   1.122 +      break;
   1.123 +    case ALMOST_STANDARDS_MODE:
   1.124 +      mode = eCompatibility_AlmostStandards;
   1.125 +      break;
   1.126 +    case QUIRKS_MODE:
   1.127 +      mode = eCompatibility_NavQuirks;
   1.128 +      break;
   1.129 +  }
   1.130 +  nsCOMPtr<nsIHTMLDocument> htmlDocument = do_QueryInterface(mDocument);
   1.131 +  NS_ASSERTION(htmlDocument, "Document didn't QI into HTML document.");
   1.132 +  htmlDocument->SetCompatibilityMode(mode);
   1.133 +}
   1.134 +
   1.135 +// nsContentSink overrides
   1.136 +
   1.137 +void
   1.138 +nsHtml5DocumentBuilder::UpdateChildCounts()
   1.139 +{
   1.140 +  // No-op
   1.141 +}
   1.142 +
   1.143 +nsresult
   1.144 +nsHtml5DocumentBuilder::FlushTags()
   1.145 +{
   1.146 +  return NS_OK;
   1.147 +}