Add m-esr52 at 52.6.0

1 files changed, 266 insertions, 0 deletions

diff --git a/dom/html/HTMLStyleElement.cpp b/dom/html/HTMLStyleElement.cpp
new file mode 100644
index 0000000000..329dda6480
--- /dev/null
+++ b/dom/html/HTMLStyleElement.cpp
@@ -0,0 +1,266 @@
+/* -*- 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 "mozilla/dom/HTMLStyleElement.h"
+#include "mozilla/dom/HTMLStyleElementBinding.h"
+#include "nsGkAtoms.h"
+#include "nsStyleConsts.h"
+#include "nsIDOMStyleSheet.h"
+#include "nsIDocument.h"
+#include "nsUnicharUtils.h"
+#include "nsThreadUtils.h"
+#include "nsContentUtils.h"
+#include "nsStubMutationObserver.h"
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(Style)
+
+namespace mozilla {
+namespace dom {
+
+HTMLStyleElement::HTMLStyleElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+  : nsGenericHTMLElement(aNodeInfo)
+{
+  AddMutationObserver(this);
+}
+
+HTMLStyleElement::~HTMLStyleElement()
+{
+}
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLStyleElement)
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLStyleElement,
+                                                  nsGenericHTMLElement)
+  tmp->nsStyleLinkElement::Traverse(cb);
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLStyleElement,
+                                                nsGenericHTMLElement)
+  tmp->nsStyleLinkElement::Unlink();
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_ADDREF_INHERITED(HTMLStyleElement, Element)
+NS_IMPL_RELEASE_INHERITED(HTMLStyleElement, Element)
+
+
+// QueryInterface implementation for HTMLStyleElement
+NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLStyleElement)
+  NS_INTERFACE_TABLE_INHERITED(HTMLStyleElement,
+                               nsIDOMHTMLStyleElement,
+                               nsIStyleSheetLinkingElement,
+                               nsIMutationObserver)
+NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLElement)
+
+NS_IMPL_ELEMENT_CLONE(HTMLStyleElement)
+
+
+NS_IMETHODIMP
+HTMLStyleElement::GetMozDisabled(bool* aDisabled)
+{
+  NS_ENSURE_ARG_POINTER(aDisabled);
+
+  *aDisabled = Disabled();
+  return NS_OK;
+}
+
+bool
+HTMLStyleElement::Disabled()
+{
+  StyleSheet* ss = GetSheet();
+  return ss && ss->Disabled();
+}
+
+NS_IMETHODIMP
+HTMLStyleElement::SetMozDisabled(bool aDisabled)
+{
+  SetDisabled(aDisabled);
+  return NS_OK;
+}
+
+void
+HTMLStyleElement::SetDisabled(bool aDisabled)
+{
+  if (StyleSheet* ss = GetSheet()) {
+    ss->SetDisabled(aDisabled);
+  }
+}
+
+NS_IMPL_STRING_ATTR(HTMLStyleElement, Media, media)
+NS_IMPL_BOOL_ATTR(HTMLStyleElement, Scoped, scoped)
+NS_IMPL_STRING_ATTR(HTMLStyleElement, Type, type)
+
+void
+HTMLStyleElement::CharacterDataChanged(nsIDocument* aDocument,
+                                       nsIContent* aContent,
+                                       CharacterDataChangeInfo* aInfo)
+{
+  ContentChanged(aContent);
+}
+
+void
+HTMLStyleElement::ContentAppended(nsIDocument* aDocument,
+                                  nsIContent* aContainer,
+                                  nsIContent* aFirstNewContent,
+                                  int32_t aNewIndexInContainer)
+{
+  ContentChanged(aContainer);
+}
+
+void
+HTMLStyleElement::ContentInserted(nsIDocument* aDocument,
+                                  nsIContent* aContainer,
+                                  nsIContent* aChild,
+                                  int32_t aIndexInContainer)
+{
+  ContentChanged(aChild);
+}
+
+void
+HTMLStyleElement::ContentRemoved(nsIDocument* aDocument,
+                                 nsIContent* aContainer,
+                                 nsIContent* aChild,
+                                 int32_t aIndexInContainer,
+                                 nsIContent* aPreviousSibling)
+{
+  ContentChanged(aChild);
+}
+
+void
+HTMLStyleElement::ContentChanged(nsIContent* aContent)
+{
+  if (nsContentUtils::IsInSameAnonymousTree(this, aContent)) {
+    UpdateStyleSheetInternal(nullptr, nullptr);
+  }
+}
+
+nsresult
+HTMLStyleElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
+                             nsIContent* aBindingParent,
+                             bool aCompileEventHandlers)
+{
+  nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
+                                                 aBindingParent,
+                                                 aCompileEventHandlers);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  void (HTMLStyleElement::*update)() = &HTMLStyleElement::UpdateStyleSheetInternal;
+  nsContentUtils::AddScriptRunner(NewRunnableMethod(this, update));
+
+  return rv;  
+}
+
+void
+HTMLStyleElement::UnbindFromTree(bool aDeep, bool aNullParent)
+{
+  nsCOMPtr<nsIDocument> oldDoc = GetUncomposedDoc();
+  ShadowRoot* oldShadow = GetContainingShadow();
+
+  nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
+
+  if (oldShadow && GetContainingShadow()) {
+    // The style is in a shadow tree and is still in the
+    // shadow tree. Thus the sheets in the shadow DOM
+    // do not need to be updated.
+    return;
+  }
+
+  UpdateStyleSheetInternal(oldDoc, oldShadow);
+}
+
+nsresult
+HTMLStyleElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+                               const nsAttrValue* aValue, bool aNotify)
+{
+  if (aNameSpaceID == kNameSpaceID_None) {
+    if (aName == nsGkAtoms::title ||
+        aName == nsGkAtoms::media ||
+        aName == nsGkAtoms::type) {
+      UpdateStyleSheetInternal(nullptr, nullptr, true);
+    } else if (aName == nsGkAtoms::scoped) {
+      bool isScoped = aValue;
+      UpdateStyleSheetScopedness(isScoped);
+    }
+  }
+
+  return nsGenericHTMLElement::AfterSetAttr(aNameSpaceID, aName, aValue,
+                                            aNotify);
+}
+
+NS_IMETHODIMP
+HTMLStyleElement::GetInnerHTML(nsAString& aInnerHTML)
+{
+  if (!nsContentUtils::GetNodeTextContent(this, false, aInnerHTML, fallible)) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  return NS_OK;
+}
+
+void
+HTMLStyleElement::SetInnerHTML(const nsAString& aInnerHTML,
+                               ErrorResult& aError)
+{
+  SetEnableUpdates(false);
+
+  aError = nsContentUtils::SetNodeTextContent(this, aInnerHTML, true);
+
+  SetEnableUpdates(true);
+
+  UpdateStyleSheetInternal(nullptr, nullptr);
+}
+
+already_AddRefed<nsIURI>
+HTMLStyleElement::GetStyleSheetURL(bool* aIsInline)
+{
+  *aIsInline = true;
+  return nullptr;
+}
+
+void
+HTMLStyleElement::GetStyleSheetInfo(nsAString& aTitle,
+                                    nsAString& aType,
+                                    nsAString& aMedia,
+                                    bool* aIsScoped,
+                                    bool* aIsAlternate)
+{
+  aTitle.Truncate();
+  aType.Truncate();
+  aMedia.Truncate();
+  *aIsAlternate = false;
+
+  nsAutoString title;
+  GetAttr(kNameSpaceID_None, nsGkAtoms::title, title);
+  title.CompressWhitespace();
+  aTitle.Assign(title);
+
+  GetAttr(kNameSpaceID_None, nsGkAtoms::media, aMedia);
+  // The HTML5 spec is formulated in terms of the CSSOM spec, which specifies
+  // that media queries should be ASCII lowercased during serialization.
+  nsContentUtils::ASCIIToLower(aMedia);
+
+  GetAttr(kNameSpaceID_None, nsGkAtoms::type, aType);
+
+  *aIsScoped = HasAttr(kNameSpaceID_None, nsGkAtoms::scoped);
+
+  nsAutoString mimeType;
+  nsAutoString notUsed;
+  nsContentUtils::SplitMimeType(aType, mimeType, notUsed);
+  if (!mimeType.IsEmpty() && !mimeType.LowerCaseEqualsLiteral("text/css")) {
+    return;
+  }
+
+  // If we get here we assume that we're loading a css file, so set the
+  // type to 'text/css'
+  aType.AssignLiteral("text/css");
+}
+
+JSObject*
+HTMLStyleElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return HTMLStyleElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+} // namespace dom
+} // namespace mozilla
+