1 files changed, 98 insertions, 0 deletions
diff --git a/dom/html/HTMLPictureElement.cpp b/dom/html/HTMLPictureElement.cpp
new file mode 100644
index 000000000..eab405ed8
--- /dev/null
+++ b/dom/html/HTMLPictureElement.cpp
@@ -0,0 +1,98 @@
+/* -*- 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/HTMLPictureElement.h"
+#include "mozilla/dom/HTMLPictureElementBinding.h"
+#include "mozilla/dom/HTMLImageElement.h"
+
+// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Picture) to add pref check.
+nsGenericHTMLElement*
+NS_NewHTMLPictureElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
+                         mozilla::dom::FromParser aFromParser)
+{
+  return new mozilla::dom::HTMLPictureElement(aNodeInfo);
+}
+
+namespace mozilla {
+namespace dom {
+
+HTMLPictureElement::HTMLPictureElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+  : nsGenericHTMLElement(aNodeInfo)
+{
+}
+
+HTMLPictureElement::~HTMLPictureElement()
+{
+}
+
+NS_IMPL_ISUPPORTS_INHERITED(HTMLPictureElement, nsGenericHTMLElement,
+                            nsIDOMHTMLPictureElement)
+
+NS_IMPL_ELEMENT_CLONE(HTMLPictureElement)
+
+void
+HTMLPictureElement::RemoveChildAt(uint32_t aIndex, bool aNotify)
+{
+  nsCOMPtr<nsIContent> child = GetChildAt(aIndex);
+
+  if (child && child->IsHTMLElement(nsGkAtoms::img)) {
+    HTMLImageElement* img = HTMLImageElement::FromContent(child);
+    if (img) {
+      img->PictureSourceRemoved(child->AsContent());
+    }
+  } else if (child && child->IsHTMLElement(nsGkAtoms::source)) {
+    // Find all img siblings after this <source> to notify them of its demise
+    nsCOMPtr<nsIContent> nextSibling = child->GetNextSibling();
+    if (nextSibling && nextSibling->GetParentNode() == this) {
+      do {
+        HTMLImageElement* img = HTMLImageElement::FromContent(nextSibling);
+        if (img) {
+          img->PictureSourceRemoved(child->AsContent());
+        }
+      } while ( (nextSibling = nextSibling->GetNextSibling()) );
+    }
+  }
+
+  nsGenericHTMLElement::RemoveChildAt(aIndex, aNotify);
+}
+
+nsresult
+HTMLPictureElement::InsertChildAt(nsIContent* aKid, uint32_t aIndex, bool aNotify)
+{
+  nsresult rv = nsGenericHTMLElement::InsertChildAt(aKid, aIndex, aNotify);
+
+  NS_ENSURE_SUCCESS(rv, rv);
+  NS_ENSURE_TRUE(aKid, rv);
+
+  if (aKid->IsHTMLElement(nsGkAtoms::img)) {
+    HTMLImageElement* img = HTMLImageElement::FromContent(aKid);
+    if (img) {
+      img->PictureSourceAdded(aKid->AsContent());
+    }
+  } else if (aKid->IsHTMLElement(nsGkAtoms::source)) {
+    // Find all img siblings after this <source> to notify them of its insertion
+    nsCOMPtr<nsIContent> nextSibling = aKid->GetNextSibling();
+    if (nextSibling && nextSibling->GetParentNode() == this) {
+      do {
+        HTMLImageElement* img = HTMLImageElement::FromContent(nextSibling);
+        if (img) {
+          img->PictureSourceAdded(aKid->AsContent());
+        }
+      } while ( (nextSibling = nextSibling->GetNextSibling()) );
+    }
+  }
+
+  return rv;
+}
+
+JSObject*
+HTMLPictureElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return HTMLPictureElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+} // namespace dom
+} // namespace mozilla