1 files changed, 126 insertions, 0 deletions
diff --git a/dom/html/HTMLSourceElement.h b/dom/html/HTMLSourceElement.h
new file mode 100644
index 000000000..595e21015
--- /dev/null
+++ b/dom/html/HTMLSourceElement.h
@@ -0,0 +1,126 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_HTMLSourceElement_h
+#define mozilla_dom_HTMLSourceElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsIDOMHTMLSourceElement.h"
+#include "nsGenericHTMLElement.h"
+#include "mozilla/dom/HTMLMediaElement.h"
+
+class nsMediaList;
+class nsAttrValue;
+
+namespace mozilla {
+namespace dom {
+
+class HTMLSourceElement final : public nsGenericHTMLElement,
+                                public nsIDOMHTMLSourceElement
+{
+public:
+  explicit HTMLSourceElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLSourceElement,
+                                           nsGenericHTMLElement)
+
+  NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLSourceElement, source)
+
+  // nsIDOMHTMLSourceElement
+  NS_DECL_NSIDOMHTMLSOURCEELEMENT
+
+  virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
+
+  // Override BindToTree() so that we can trigger a load when we add a
+  // child source element.
+  virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
+                              nsIContent* aBindingParent,
+                              bool aCompileEventHandlers) override;
+
+  // If this element's media attr matches for its owner document.  Returns true
+  // if no media attr was set.
+  bool MatchesCurrentMedia();
+
+  // True if a source tag would match the given media attribute for the
+  // specified document. Used by the preloader to determine valid <source> tags
+  // prior to DOM creation.
+  static bool WouldMatchMediaForDocument(const nsAString& aMediaStr,
+                                         const nsIDocument *aDocument);
+
+  // Return the MediaSource object if any associated with the src attribute
+  // when it was set.
+  MediaSource* GetSrcMediaSource() { return mSrcMediaSource; };
+
+  // WebIDL
+  void GetSrc(nsString& aSrc)
+  {
+    GetURIAttr(nsGkAtoms::src, nullptr, aSrc);
+  }
+  void SetSrc(const nsAString& aSrc, mozilla::ErrorResult& rv)
+  {
+    SetHTMLAttr(nsGkAtoms::src, aSrc, rv);
+  }
+
+  void GetType(DOMString& aType)
+  {
+    GetHTMLAttr(nsGkAtoms::type, aType);
+  }
+  void SetType(const nsAString& aType, ErrorResult& rv)
+  {
+    SetHTMLAttr(nsGkAtoms::type, aType, rv);
+  }
+
+  void GetSrcset(DOMString& aSrcset)
+  {
+    GetHTMLAttr(nsGkAtoms::srcset, aSrcset);
+  }
+  void SetSrcset(const nsAString& aSrcset, mozilla::ErrorResult& rv)
+  {
+    SetHTMLAttr(nsGkAtoms::srcset, aSrcset, rv);
+  }
+
+  void GetSizes(DOMString& aSizes)
+  {
+    GetHTMLAttr(nsGkAtoms::sizes, aSizes);
+  }
+  void SetSizes(const nsAString& aSizes, mozilla::ErrorResult& rv)
+  {
+    SetHTMLAttr(nsGkAtoms::sizes, aSizes, rv);
+  }
+
+  void GetMedia(DOMString& aMedia)
+  {
+    GetHTMLAttr(nsGkAtoms::media, aMedia);
+  }
+  void SetMedia(const nsAString& aMedia, mozilla::ErrorResult& rv)
+  {
+    SetHTMLAttr(nsGkAtoms::media, aMedia, rv);
+  }
+
+protected:
+  virtual ~HTMLSourceElement();
+
+  virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+protected:
+  virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+                                const nsAttrValue* aValue,
+                                bool aNotify) override;
+
+private:
+  RefPtr<nsMediaList> mMediaList;
+  RefPtr<MediaSource> mSrcMediaSource;
+
+  // Generates a new nsMediaList using the given input
+  void UpdateMediaList(const nsAttrValue* aValue);
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_HTMLSourceElement_h