diff -r 000000000000 -r 6474c204b198 content/base/public/nsHostObjectProtocolHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/public/nsHostObjectProtocolHandler.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,142 @@
+/* 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 nsHostObjectProtocolHandler_h
+#define nsHostObjectProtocolHandler_h
+
+#include "mozilla/Attributes.h"
+#include "nsIProtocolHandler.h"
+#include "nsIURI.h"
+#include "nsCOMPtr.h"
+#include "nsIInputStream.h"
+
+#define BLOBURI_SCHEME "blob"
+#define MEDIASTREAMURI_SCHEME "mediastream"
+#define MEDIASOURCEURI_SCHEME "mediasource"
+#define FONTTABLEURI_SCHEME "moz-fonttable"
+#define RTSPURI_SCHEME "rtsp"
+
+class nsIDOMBlob;
+class nsIDOMMediaStream;
+class nsIPrincipal;
+
+namespace mozilla {
+namespace dom {
+class MediaSource;
+}
+}
+
+class nsHostObjectProtocolHandler : public nsIProtocolHandler
+{
+public:
+  nsHostObjectProtocolHandler();
+  virtual ~nsHostObjectProtocolHandler() {}
+  NS_DECL_ISUPPORTS
+
+  // nsIProtocolHandler methods, except for GetScheme which is only defined
+  // in subclasses.
+  NS_IMETHOD GetDefaultPort(int32_t *aDefaultPort) MOZ_OVERRIDE;
+  NS_IMETHOD GetProtocolFlags(uint32_t *aProtocolFlags) MOZ_OVERRIDE;
+  NS_IMETHOD NewURI(const nsACString & aSpec, const char * aOriginCharset, nsIURI *aBaseURI, nsIURI * *_retval) MOZ_OVERRIDE;
+  NS_IMETHOD NewChannel(nsIURI *aURI, nsIChannel * *_retval) MOZ_OVERRIDE;
+  NS_IMETHOD AllowPort(int32_t port, const char * scheme, bool *_retval) MOZ_OVERRIDE;
+
+  static nsresult GenerateURIString(const nsACString &aScheme,
+                                    nsACString &aUri);
+
+  // Methods for managing uri->object mapping
+  // AddDataEntry creates the URI with the given scheme and returns it in aUri
+  static nsresult AddDataEntry(const nsACString& aScheme,
+                               nsISupports* aObject,
+                               nsIPrincipal* aPrincipal,
+                               nsACString& aUri);
+  static void RemoveDataEntry(const nsACString& aUri);
+  static nsIPrincipal* GetDataEntryPrincipal(const nsACString& aUri);
+  static void Traverse(const nsACString& aUri, nsCycleCollectionTraversalCallback& aCallback);
+
+private:
+  static void Init(void);
+};
+
+class nsBlobProtocolHandler : public nsHostObjectProtocolHandler
+{
+public:
+  NS_IMETHOD GetScheme(nsACString &result) MOZ_OVERRIDE;
+};
+
+class nsMediaStreamProtocolHandler : public nsHostObjectProtocolHandler
+{
+public:
+  NS_IMETHOD GetScheme(nsACString &result) MOZ_OVERRIDE;
+};
+
+class nsMediaSourceProtocolHandler : public nsHostObjectProtocolHandler
+{
+public:
+  NS_IMETHOD GetScheme(nsACString &result) MOZ_OVERRIDE;
+};
+
+class nsFontTableProtocolHandler : public nsHostObjectProtocolHandler
+{
+public:
+  NS_IMETHOD GetScheme(nsACString &result);
+  NS_IMETHOD NewURI(const nsACString & aSpec, const char * aOriginCharset, nsIURI *aBaseURI, nsIURI * *_retval);
+};
+
+inline bool IsBlobURI(nsIURI* aUri)
+{
+  bool isBlob;
+  return NS_SUCCEEDED(aUri->SchemeIs(BLOBURI_SCHEME, &isBlob)) && isBlob;
+}
+
+inline bool IsRtspURI(nsIURI* aUri)
+{
+  bool isRtsp;
+  return NS_SUCCEEDED(aUri->SchemeIs(RTSPURI_SCHEME, &isRtsp)) && isRtsp;
+}
+
+inline bool IsMediaStreamURI(nsIURI* aUri)
+{
+  bool isStream;
+  return NS_SUCCEEDED(aUri->SchemeIs(MEDIASTREAMURI_SCHEME, &isStream)) && isStream;
+}
+
+inline bool IsMediaSourceURI(nsIURI* aUri)
+{
+  bool isMediaSource;
+  return NS_SUCCEEDED(aUri->SchemeIs(MEDIASOURCEURI_SCHEME, &isMediaSource)) && isMediaSource;
+}
+
+inline bool IsFontTableURI(nsIURI* aUri)
+{
+  bool isFont;
+  return NS_SUCCEEDED(aUri->SchemeIs(FONTTABLEURI_SCHEME, &isFont)) && isFont;
+}
+
+extern nsresult
+NS_GetStreamForBlobURI(nsIURI* aURI, nsIInputStream** aStream);
+
+extern nsresult
+NS_GetStreamForMediaStreamURI(nsIURI* aURI, nsIDOMMediaStream** aStream);
+
+extern nsresult
+NS_GetSourceForMediaSourceURI(nsIURI* aURI, mozilla::dom::MediaSource** aSource);
+
+#define NS_BLOBPROTOCOLHANDLER_CID \
+{ 0xb43964aa, 0xa078, 0x44b2, \
+  { 0xb0, 0x6b, 0xfd, 0x4d, 0x1b, 0x17, 0x2e, 0x66 } }
+
+#define NS_MEDIASTREAMPROTOCOLHANDLER_CID \
+{ 0x27d1fa24, 0x2b73, 0x4db3, \
+	{ 0xab, 0x48, 0xb9, 0x83, 0x83, 0x40, 0xe0, 0x81 } }
+
+#define NS_MEDIASOURCEPROTOCOLHANDLER_CID \
+{ 0x12ef31fc, 0xa8fb, 0x4661, \
+	{ 0x9a, 0x63, 0xfb, 0x61, 0x04,0x5d, 0xb8, 0x61 } }
+
+#define NS_FONTTABLEPROTOCOLHANDLER_CID \
+{ 0x3fc8f04e, 0xd719, 0x43ca, \
+  { 0x9a, 0xd0, 0x18, 0xee, 0x32, 0x02, 0x11, 0xf2 } }
+
+#endif /* nsHostObjectProtocolHandler_h */