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-rw-r--r--dom/base/nsScriptElement.cpp150
1 files changed, 150 insertions, 0 deletions
diff --git a/dom/base/nsScriptElement.cpp b/dom/base/nsScriptElement.cpp
new file mode 100644
index 000000000..ebeb18f81
--- /dev/null
+++ b/dom/base/nsScriptElement.cpp
@@ -0,0 +1,150 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsScriptElement.h"
+#include "mozilla/BasicEvents.h"
+#include "mozilla/EventDispatcher.h"
+#include "mozilla/dom/Element.h"
+#include "nsContentUtils.h"
+#include "nsPresContext.h"
+#include "nsScriptLoader.h"
+#include "nsIParser.h"
+#include "nsGkAtoms.h"
+#include "nsContentSink.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+NS_IMETHODIMP
+nsScriptElement::ScriptAvailable(nsresult aResult,
+ nsIScriptElement *aElement,
+ bool aIsInline,
+ nsIURI *aURI,
+ int32_t aLineNo)
+{
+ if (!aIsInline && NS_FAILED(aResult)) {
+ nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
+ if (parser) {
+ parser->PushDefinedInsertionPoint();
+ }
+ nsresult rv = FireErrorEvent();
+ if (parser) {
+ parser->PopDefinedInsertionPoint();
+ }
+ return rv;
+ }
+ return NS_OK;
+}
+
+/* virtual */ nsresult
+nsScriptElement::FireErrorEvent()
+{
+ nsCOMPtr<nsIContent> cont =
+ do_QueryInterface((nsIScriptElement*) this);
+
+ return nsContentUtils::DispatchTrustedEvent(cont->OwnerDoc(),
+ cont,
+ NS_LITERAL_STRING("error"),
+ false /* bubbles */,
+ false /* cancelable */);
+}
+
+NS_IMETHODIMP
+nsScriptElement::ScriptEvaluated(nsresult aResult,
+ nsIScriptElement *aElement,
+ bool aIsInline)
+{
+ nsresult rv = NS_OK;
+ if (!aIsInline) {
+ nsCOMPtr<nsIContent> cont =
+ do_QueryInterface((nsIScriptElement*) this);
+
+ RefPtr<nsPresContext> presContext =
+ nsContentUtils::GetContextForContent(cont);
+
+ nsEventStatus status = nsEventStatus_eIgnore;
+ EventMessage message = NS_SUCCEEDED(aResult) ? eLoad : eLoadError;
+ WidgetEvent event(true, message);
+ // Load event doesn't bubble.
+ event.mFlags.mBubbles = (message != eLoad);
+
+ EventDispatcher::Dispatch(cont, presContext, &event, nullptr, &status);
+ }
+
+ return rv;
+}
+
+void
+nsScriptElement::CharacterDataChanged(nsIDocument *aDocument,
+ nsIContent* aContent,
+ CharacterDataChangeInfo* aInfo)
+{
+ MaybeProcessScript();
+}
+
+void
+nsScriptElement::AttributeChanged(nsIDocument* aDocument,
+ Element* aElement,
+ int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType,
+ const nsAttrValue* aOldValue)
+{
+ MaybeProcessScript();
+}
+
+void
+nsScriptElement::ContentAppended(nsIDocument* aDocument,
+ nsIContent* aContainer,
+ nsIContent* aFirstNewContent,
+ int32_t aNewIndexInContainer)
+{
+ MaybeProcessScript();
+}
+
+void
+nsScriptElement::ContentInserted(nsIDocument *aDocument,
+ nsIContent* aContainer,
+ nsIContent* aChild,
+ int32_t aIndexInContainer)
+{
+ MaybeProcessScript();
+}
+
+bool
+nsScriptElement::MaybeProcessScript()
+{
+ nsCOMPtr<nsIContent> cont =
+ do_QueryInterface((nsIScriptElement*) this);
+
+ NS_ASSERTION(cont->DebugGetSlots()->mMutationObservers.Contains(this),
+ "You forgot to add self as observer");
+
+ if (mAlreadyStarted || !mDoneAddingChildren ||
+ !cont->GetComposedDoc() || mMalformed || !HasScriptContent()) {
+ return false;
+ }
+
+ FreezeUriAsyncDefer();
+
+ mAlreadyStarted = true;
+
+ nsIDocument* ownerDoc = cont->OwnerDoc();
+ nsCOMPtr<nsIParser> parser = ((nsIScriptElement*) this)->GetCreatorParser();
+ if (parser) {
+ nsCOMPtr<nsIContentSink> sink = parser->GetContentSink();
+ if (sink) {
+ nsCOMPtr<nsIDocument> parserDoc = do_QueryInterface(sink->GetTarget());
+ if (ownerDoc != parserDoc) {
+ // Willful violation of HTML5 as of 2010-12-01
+ return false;
+ }
+ }
+ }
+
+ RefPtr<nsScriptLoader> loader = ownerDoc->ScriptLoader();
+ return loader->ProcessScriptElement(this);
+}