The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/base/src/nsScriptElement.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,141 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsScriptElement.h"
    1.10 +#include "mozilla/BasicEvents.h"
    1.11 +#include "mozilla/EventDispatcher.h"
    1.12 +#include "mozilla/dom/Element.h"
    1.13 +#include "nsContentUtils.h"
    1.14 +#include "nsPresContext.h"
    1.15 +#include "nsScriptLoader.h"
    1.16 +#include "nsIParser.h"
    1.17 +#include "nsAutoPtr.h"
    1.18 +#include "nsGkAtoms.h"
    1.19 +#include "nsContentSink.h"
    1.20 +
    1.21 +using namespace mozilla;
    1.22 +using namespace mozilla::dom;
    1.23 +
    1.24 +NS_IMETHODIMP
    1.25 +nsScriptElement::ScriptAvailable(nsresult aResult,
    1.26 +                                 nsIScriptElement *aElement,
    1.27 +                                 bool aIsInline,
    1.28 +                                 nsIURI *aURI,
    1.29 +                                 int32_t aLineNo)
    1.30 +{
    1.31 +  if (!aIsInline && NS_FAILED(aResult)) {
    1.32 +    return FireErrorEvent();
    1.33 +  }
    1.34 +  return NS_OK;
    1.35 +}
    1.36 +
    1.37 +/* virtual */ nsresult
    1.38 +nsScriptElement::FireErrorEvent()
    1.39 +{
    1.40 +  nsCOMPtr<nsIContent> cont =
    1.41 +    do_QueryInterface((nsIScriptElement*) this);
    1.42 +
    1.43 +  return nsContentUtils::DispatchTrustedEvent(cont->OwnerDoc(),
    1.44 +                                              cont,
    1.45 +                                              NS_LITERAL_STRING("error"),
    1.46 +                                              false /* bubbles */,
    1.47 +                                              false /* cancelable */);
    1.48 +}
    1.49 +
    1.50 +NS_IMETHODIMP
    1.51 +nsScriptElement::ScriptEvaluated(nsresult aResult,
    1.52 +                                 nsIScriptElement *aElement,
    1.53 +                                 bool aIsInline)
    1.54 +{
    1.55 +  nsresult rv = NS_OK;
    1.56 +  if (!aIsInline) {
    1.57 +    nsCOMPtr<nsIContent> cont =
    1.58 +      do_QueryInterface((nsIScriptElement*) this);
    1.59 +
    1.60 +    nsRefPtr<nsPresContext> presContext =
    1.61 +      nsContentUtils::GetContextForContent(cont);
    1.62 +
    1.63 +    nsEventStatus status = nsEventStatus_eIgnore;
    1.64 +    uint32_t type = NS_SUCCEEDED(aResult) ? NS_LOAD : NS_LOAD_ERROR;
    1.65 +    WidgetEvent event(true, type);
    1.66 +    // Load event doesn't bubble.
    1.67 +    event.mFlags.mBubbles = (type != NS_LOAD);
    1.68 +
    1.69 +    EventDispatcher::Dispatch(cont, presContext, &event, nullptr, &status);
    1.70 +  }
    1.71 +
    1.72 +  return rv;
    1.73 +}
    1.74 +
    1.75 +void
    1.76 +nsScriptElement::CharacterDataChanged(nsIDocument *aDocument,
    1.77 +                                      nsIContent* aContent,
    1.78 +                                      CharacterDataChangeInfo* aInfo)
    1.79 +{
    1.80 +  MaybeProcessScript();
    1.81 +}
    1.82 +
    1.83 +void
    1.84 +nsScriptElement::AttributeChanged(nsIDocument* aDocument,
    1.85 +                                  Element* aElement,
    1.86 +                                  int32_t aNameSpaceID,
    1.87 +                                  nsIAtom* aAttribute,
    1.88 +                                  int32_t aModType)
    1.89 +{
    1.90 +  MaybeProcessScript();
    1.91 +}
    1.92 +
    1.93 +void
    1.94 +nsScriptElement::ContentAppended(nsIDocument* aDocument,
    1.95 +                                 nsIContent* aContainer,
    1.96 +                                 nsIContent* aFirstNewContent,
    1.97 +                                 int32_t aNewIndexInContainer)
    1.98 +{
    1.99 +  MaybeProcessScript();
   1.100 +}
   1.101 +
   1.102 +void
   1.103 +nsScriptElement::ContentInserted(nsIDocument *aDocument,
   1.104 +                                 nsIContent* aContainer,
   1.105 +                                 nsIContent* aChild,
   1.106 +                                 int32_t aIndexInContainer)
   1.107 +{
   1.108 +  MaybeProcessScript();
   1.109 +}
   1.110 +
   1.111 +bool
   1.112 +nsScriptElement::MaybeProcessScript()
   1.113 +{
   1.114 +  nsCOMPtr<nsIContent> cont =
   1.115 +    do_QueryInterface((nsIScriptElement*) this);
   1.116 +
   1.117 +  NS_ASSERTION(cont->DebugGetSlots()->mMutationObservers.Contains(this),
   1.118 +               "You forgot to add self as observer");
   1.119 +
   1.120 +  if (mAlreadyStarted || !mDoneAddingChildren || !cont->IsInDoc() ||
   1.121 +      mMalformed || !HasScriptContent()) {
   1.122 +    return false;
   1.123 +  }
   1.124 +
   1.125 +  FreezeUriAsyncDefer();
   1.126 +
   1.127 +  mAlreadyStarted = true;
   1.128 +
   1.129 +  nsIDocument* ownerDoc = cont->OwnerDoc();
   1.130 +  nsCOMPtr<nsIParser> parser = ((nsIScriptElement*) this)->GetCreatorParser();
   1.131 +  if (parser) {
   1.132 +    nsCOMPtr<nsIContentSink> sink = parser->GetContentSink();
   1.133 +    if (sink) {
   1.134 +      nsCOMPtr<nsIDocument> parserDoc = do_QueryInterface(sink->GetTarget());
   1.135 +      if (ownerDoc != parserDoc) {
   1.136 +        // Willful violation of HTML5 as of 2010-12-01
   1.137 +        return false;
   1.138 +      }
   1.139 +    }
   1.140 +  }
   1.141 +
   1.142 +  nsRefPtr<nsScriptLoader> loader = ownerDoc->ScriptLoader();
   1.143 +  return loader->ProcessScriptElement(this);
   1.144 +}