diff -r 000000000000 -r 6474c204b198 content/html/document/src/MediaDocument.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/html/document/src/MediaDocument.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,101 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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_MediaDocument_h
+#define mozilla_dom_MediaDocument_h
+
+#include "mozilla/Attributes.h"
+#include "nsHTMLDocument.h"
+#include "nsGenericHTMLElement.h"
+#include "nsAutoPtr.h"
+#include "nsIStringBundle.h"
+
+#define NSMEDIADOCUMENT_PROPERTIES_URI "chrome://global/locale/layout/MediaDocument.properties"
+
+namespace mozilla {
+namespace dom {
+
+class MediaDocument : public nsHTMLDocument
+{
+public:
+  MediaDocument();
+  virtual ~MediaDocument();
+
+  virtual nsresult Init() MOZ_OVERRIDE;
+
+  virtual nsresult StartDocumentLoad(const char*         aCommand,
+                                     nsIChannel*         aChannel,
+                                     nsILoadGroup*       aLoadGroup,
+                                     nsISupports*        aContainer,
+                                     nsIStreamListener** aDocListener,
+                                     bool                aReset = true,
+                                     nsIContentSink*     aSink = nullptr) MOZ_OVERRIDE;
+
+  virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aGlobalObject) MOZ_OVERRIDE;
+
+  virtual bool WillIgnoreCharsetOverride()
+  {
+    return true;
+  }
+
+protected:
+  void BecomeInteractive();
+
+  virtual nsresult CreateSyntheticDocument();
+
+  friend class MediaDocumentStreamListener;
+  nsresult StartLayout();
+
+  void GetFileName(nsAString& aResult);
+
+  nsresult LinkStylesheet(const nsAString& aStylesheet);
+
+  // |aFormatNames[]| needs to have four elements in the following order: 
+  // a format name with neither dimension nor file, a format name with
+  // filename but w/o dimension, a format name with dimension but w/o filename,
+  // a format name with both of them.  For instance, it can have
+  // "ImageTitleWithNeitherDimensionsNorFile", "ImageTitleWithoutDimensions",
+  // "ImageTitleWithDimesions2",  "ImageTitleWithDimensions2AndFile".
+  //
+  // Also see MediaDocument.properties if you want to define format names
+  // for a new subclass. aWidth and aHeight are pixels for |ImageDocument|,
+  // but could be in other units for other 'media', in which case you have to 
+  // define format names accordingly. 
+  void UpdateTitleAndCharset(const nsACString&  aTypeStr,
+                             const char* const* aFormatNames = sFormatNames,
+                             int32_t            aWidth = 0,
+                             int32_t            aHeight = 0,
+                             const nsAString&   aStatus = EmptyString());
+
+  nsCOMPtr<nsIStringBundle>     mStringBundle;
+  static const char* const      sFormatNames[4];
+  
+private:
+  enum                          {eWithNoInfo, eWithFile, eWithDim, eWithDimAndFile};
+  bool                          mDocumentElementInserted;   
+};
+
+
+class MediaDocumentStreamListener: public nsIStreamListener
+{
+public:
+  MediaDocumentStreamListener(MediaDocument *aDocument);
+  virtual ~MediaDocumentStreamListener();
+  void SetStreamListener(nsIStreamListener *aListener);
+
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIREQUESTOBSERVER
+
+  NS_DECL_NSISTREAMLISTENER
+
+  nsRefPtr<MediaDocument>      mDocument;
+  nsCOMPtr<nsIStreamListener>  mNextStream;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_MediaDocument_h */