Bug 507749: Implement moz-device: protocol handler. Based on an earlier patch by Brad Lassey. r=jdm a=blocking-fennec

--HG--
extra : rebase_source : 9e9474bf72d880c8a7364c795b451f28a10913c3

configure.in

@@ -4941,7 +4941,7 @@ NSS_DISABLE_DBM=
 NECKO_WIFI=1
 NECKO_COOKIES=1
 NECKO_DISK_CACHE=1
-NECKO_PROTOCOLS_DEFAULT="about data file ftp http res viewsource"
+NECKO_PROTOCOLS_DEFAULT="about data device file ftp http res viewsource"
 USE_ARM_KUSER=
 BUILD_CTYPES=1
 XPC_IDISPATCH_SUPPORT=

netwerk/build/nsNetCID.h

@@ -647,6 +647,19 @@
     {0xa1, 0x78, 0x00, 0x50, 0x04, 0x1c, 0xaf, 0x44} \
 }
 
+/******************************************************************************
+ * netwerk/protocol/device classes
+ */
+#define NS_DEVICEPROTOCOLHANDLER_CLASSNAME \
+    "nsDeviceProtocolHandler"
+#define NS_DEVICEPROTOCOLHANDLER_CID                 \
+{ /* 6b0ffe9e-d114-486b-aeb7-da62e7273ed5 */         \
+    0x60ffe9e,                                       \
+    0xd114,                                          \
+    0x486b,                                          \
+    {0xae, 0xb7, 0xda, 0x62, 0xe7, 0x27, 0x3e, 0xd5} \
+}
+
 /******************************************************************************
  * netwerk/protocol/viewsource/ classes
  */

netwerk/build/nsNetModule.cpp

@@ -255,6 +255,11 @@ NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsResProtocolHandler, Init)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsResURL)
 #endif
 
+#ifdef NECKO_PROTOCOL_device
+#include "nsDeviceProtocolHandler.h"
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsDeviceProtocolHandler)
+#endif
+
 #ifdef NECKO_PROTOCOL_viewsource
 #include "nsViewSourceHandler.h"
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsViewSourceHandler)
@@ -706,6 +711,9 @@ NS_DEFINE_NAMED_CID(NS_WIFI_MONITOR_COMPONENT_CID);
 #ifdef NECKO_PROTOCOL_data
 NS_DEFINE_NAMED_CID(NS_DATAPROTOCOLHANDLER_CID);
 #endif
+#ifdef NECKO_PROTOCOL_device
+NS_DEFINE_NAMED_CID(NS_DEVICEPROTOCOLHANDLER_CID);
+#endif
 #ifdef NECKO_PROTOCOL_viewsource
 NS_DEFINE_NAMED_CID(NS_VIEWSOURCEHANDLER_CID);
 #endif
@@ -821,6 +829,9 @@ static const mozilla::Module::CIDEntry kNeckoCIDs[] = {
 #ifdef NECKO_PROTOCOL_data
     { &kNS_DATAPROTOCOLHANDLER_CID, false, NULL, nsDataHandler::Create },
 #endif
+#ifdef NECKO_PROTOCOL_device
+    { &kNS_DEVICEPROTOCOLHANDLER_CID, false, NULL, nsDeviceProtocolHandlerConstructor},
+#endif
 #ifdef NECKO_PROTOCOL_viewsource
     { &kNS_VIEWSOURCEHANDLER_CID, false, NULL, nsViewSourceHandlerConstructor },
 #endif
@@ -943,6 +954,9 @@ static const mozilla::Module::ContractIDEntry kNeckoContracts[] = {
 #ifdef NECKO_PROTOCOL_data
     { NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "data", &kNS_DATAPROTOCOLHANDLER_CID },
 #endif
+#ifdef NECKO_PROTOCOL_device
+    { NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "moz-device", &kNS_DEVICEPROTOCOLHANDLER_CID },
+#endif
 #ifdef NECKO_PROTOCOL_viewsource
     { NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "view-source", &kNS_VIEWSOURCEHANDLER_CID },
 #endif

netwerk/necko-config.h.in

@@ -45,6 +45,7 @@
 
 #undef NECKO_PROTOCOL_about
 #undef NECKO_PROTOCOL_data
+#undef NECKO_PROTOCOL_device
 #undef NECKO_PROTOCOL_file
 #undef NECKO_PROTOCOL_ftp
 #undef NECKO_PROTOCOL_http

netwerk/protocol/Makefile.in

@@ -45,6 +45,7 @@ include $(DEPTH)/config/autoconf.mk
 PARALLEL_DIRS = \
   about \
   data \
+  device \
   file \
   ftp \
   http \

netwerk/protocol/device/Makefile.in

@@ -0,0 +1,58 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+#   Mozilla Foundation
+# Portions created by the Initial Developer are Copyright (C) 2010
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+DEPTH     = ../../..
+topsrcdir = @top_srcdir@
+srcdir    = @srcdir@
+VPATH     = @srcdir@
+
+include $(DEPTH)/config/autoconf.mk
+
+MODULE = deviceprotocol
+LIBRARY_NAME = nkdevice_s
+FORCE_STATIC_LIB = 1
+LIBXUL_LIBRARY = 1
+
+CPPSRCS = \
+  nsDeviceChannel.cpp \
+  nsDeviceProtocolHandler.cpp \
+  $(NULL)
+
+LOCAL_INCLUDES = -I$(srcdir)/../../base/src/ \
+                 -I$(srcdir)/../file \
+                 $(NULL)
+
+include $(topsrcdir)/config/rules.mk

netwerk/protocol/device/nsDeviceCaptureProvider.h

@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ *   Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Brad Lassey <blassey@mozilla.com>
+ *   Kyle Huey <me@kylehuey.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms or
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsDeviceCaptureProvider_h_
+#define nsDeviceCaptureProvider_h_
+
+#include "nsIInputStream.h"
+
+struct nsCaptureParams {
+  PRPackedBool captureAudio;
+  PRPackedBool captureVideo;
+  PRUint32 frameRate;
+  PRUint32 frameLimit;
+  PRUint32 timeLimit;
+  PRUint32 width;
+  PRUint32 height;
+  PRUint32 bpp;
+};
+
+class nsDeviceCaptureProvider : public nsISupports
+{
+public:
+  virtual nsresult Init(nsACString& aContentType,
+                        nsCaptureParams* aParams,
+                        nsIInputStream** aStream) = 0;
+};
+
+#endif

netwerk/protocol/device/nsDeviceChannel.cpp

@@ -0,0 +1,158 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Camera.
+ *
+ * The Initial Developer of the Original Code is Mozilla Corporation
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *  Brad Lassey <blassey@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "plstr.h"
+#include "nsComponentManagerUtils.h"
+#include "nsDeviceChannel.h"
+#include "nsDeviceCaptureProvider.h"
+
+// Copied from modules/libpr0n/decoders/icon/nsIconURI.cpp
+// takes a string like ?size=32&contentType=text/html and returns a new string
+// containing just the attribute values. i.e you could pass in this string with
+// an attribute name of "size=", this will return 32
+// Assumption: attribute pairs are separated by &
+void extractAttributeValue(const char* searchString, const char* attributeName, nsCString& result)
+{
+  result.Truncate();
+
+  if (!searchString || !attributeName)
+    return;
+
+  PRUint32 attributeNameSize = strlen(attributeName);
+  const char *startOfAttribute = PL_strcasestr(searchString, attributeName);
+  if (!startOfAttribute ||
+      !( *(startOfAttribute-1) == '?' || *(startOfAttribute-1) == '&') )
+    return;
+
+  startOfAttribute += attributeNameSize; // Skip the attributeName
+  if (!*startOfAttribute)
+    return;
+
+  const char *endOfAttribute = strchr(startOfAttribute, '&');
+  if (endOfAttribute) {
+    result.Assign(Substring(startOfAttribute, endOfAttribute));
+  } else {
+    result.Assign(startOfAttribute);
+  }
+}
+
+NS_IMPL_ISUPPORTS_INHERITED1(nsDeviceChannel,
+                             nsBaseChannel,
+                             nsIChannel)
+
+// nsDeviceChannel methods
+nsDeviceChannel::nsDeviceChannel()
+{
+  SetContentType(NS_LITERAL_CSTRING("image/png"));
+}
+
+nsDeviceChannel::~nsDeviceChannel() 
+{
+}
+
+nsresult
+nsDeviceChannel::Init(nsIURI* aUri)
+{
+  nsBaseChannel::Init();
+  nsBaseChannel::SetURI(aUri);
+  return NS_OK;
+}
+
+nsresult
+nsDeviceChannel::OpenContentStream(PRBool aAsync,
+                                   nsIInputStream** aStream,
+                                   nsIChannel** aChannel)
+{
+  if (!aAsync)
+    return NS_ERROR_NOT_IMPLEMENTED;
+
+  nsCOMPtr<nsIURI> uri = nsBaseChannel::URI();
+  *aStream = nsnull;
+  *aChannel = nsnull;
+  NS_NAMED_LITERAL_CSTRING(width, "width=");
+  NS_NAMED_LITERAL_CSTRING(height, "height=");
+
+  nsCAutoString spec;
+  uri->GetSpec(spec);
+
+  nsCAutoString type;
+  // Because no capture providers are implemented at the moment
+  // capture will always be null and this function will always fail
+  nsRefPtr<nsDeviceCaptureProvider> capture;
+  nsCaptureParams captureParams;
+  if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=image/png"),
+                             PR_TRUE,
+                             0,
+                             -1)) {
+    type.AssignLiteral("image/png");
+    SetContentType(type);
+    captureParams.captureAudio = PR_FALSE;
+    captureParams.captureVideo = PR_TRUE;
+    captureParams.timeLimit = 0;
+    captureParams.frameLimit = 1;
+    nsCAutoString buffer;
+    extractAttributeValue(spec.get(), "width=", buffer);
+    nsresult err;
+    captureParams.width = buffer.ToInteger(&err);
+    if (!captureParams.width)
+      captureParams.width = 640;
+    extractAttributeValue(spec.get(), "height=", buffer);
+    captureParams.height = buffer.ToInteger(&err);
+    if (!captureParams.height)
+      captureParams.height = 480;
+    captureParams.bpp = 32;
+  } else if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=video/x-raw-yuv"),
+                                    PR_TRUE,
+                                    0,
+                                    -1)) {
+    type.AssignLiteral("video/x-raw-yuv");
+    SetContentType(type);
+    captureParams.captureAudio = PR_FALSE;
+    captureParams.captureVideo = PR_TRUE;
+    captureParams.width = 640;
+    captureParams.height = 480;
+    captureParams.bpp = 32;
+    captureParams.frameLimit = 6000;
+  } else {
+    return NS_ERROR_NOT_IMPLEMENTED;
+  }
+
+  if (!capture)
+    return NS_ERROR_FAILURE;
+
+  return capture->Init(type, &captureParams, aStream);
+}

netwerk/protocol/device/nsDeviceChannel.h

@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Camera.
+ *
+ * The Initial Developer of the Original Code is Mozilla Corporation
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *  Brad Lassey <blassey@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsDeviceChannel_h_
+#define nsDeviceChannel_h_
+
+#include "nsBaseChannel.h"
+
+class nsDeviceChannel : public nsBaseChannel
+{
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+
+  nsDeviceChannel();
+  ~nsDeviceChannel();
+
+  nsresult Init(nsIURI* uri);
+  nsresult OpenContentStream(PRBool aAsync,
+                             nsIInputStream **aStream,
+                             nsIChannel **aChannel);
+};
+#endif

netwerk/protocol/device/nsDeviceProtocolHandler.cpp

@@ -0,0 +1,108 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Camera.
+ *
+ * The Initial Developer of the Original Code is Mozilla Corporation
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *  Nino D'Aversa <ninodaversa@gmail.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsDeviceProtocolHandler.h"
+#include "nsDeviceChannel.h"
+#include "nsNetCID.h"
+#include "nsAutoPtr.h"
+#include "nsCOMPtr.h"
+#include "nsSimpleURI.h"
+
+//-----------------------------------------------------------------------------
+
+NS_IMPL_THREADSAFE_ISUPPORTS1(nsDeviceProtocolHandler,
+                              nsIProtocolHandler)
+
+nsresult
+nsDeviceProtocolHandler::Init(){
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDeviceProtocolHandler::GetScheme(nsACString &aResult)
+{
+  aResult.AssignLiteral("moz-device");
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDeviceProtocolHandler::GetDefaultPort(PRInt32 *aResult)
+{
+  *aResult = -1;        // no port for moz_device: URLs
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDeviceProtocolHandler::GetProtocolFlags(PRUint32 *aResult)
+{
+  *aResult = URI_NORELATIVE | URI_NOAUTH | URI_DANGEROUS_TO_LOAD;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDeviceProtocolHandler::NewURI(const nsACString &spec,
+                                const char *originCharset,
+                                nsIURI *baseURI,
+                                nsIURI **result)
+{
+  nsRefPtr<nsSimpleURI> uri = new nsSimpleURI();
+
+  nsresult rv = uri->SetSpec(spec);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return CallQueryInterface(uri, result);
+}
+
+NS_IMETHODIMP
+nsDeviceProtocolHandler::NewChannel(nsIURI* aURI, nsIChannel **aResult)
+{
+  nsRefPtr<nsDeviceChannel> channel = new nsDeviceChannel();
+  nsresult rv = channel->Init(aURI);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return CallQueryInterface(channel, aResult);
+}
+
+NS_IMETHODIMP 
+nsDeviceProtocolHandler::AllowPort(PRInt32 port,
+                                   const char *scheme,
+                                   PRBool *aResult)
+{
+  // don't override anything.  
+  *aResult = PR_FALSE;
+  return NS_OK;
+}

netwerk/protocol/device/nsDeviceProtocolHandler.h

@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Camera.
+ *
+ * The Initial Developer of the Original Code is Mozilla Corporation
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *  Nino D'Aversa <ninodaversa@gmail.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsDeviceProtocolHandler_h_
+#define nsDeviceProtocolHandler_h_
+
+#include "nsIProtocolHandler.h"
+#include "nsString.h"
+
+// {6b0ffe9e-d114-486b-aeb7-da62e7273ed5}
+#define NS_DEVICEPROTOCOLHANDLER_CID                      \
+{ 0x60ffe9e, 0xd114, 0x486b,                              \
+    {0xae, 0xb7, 0xda, 0x62, 0xe7, 0x27, 0x3e, 0xd5} }
+
+class nsDeviceProtocolHandler : public nsIProtocolHandler {
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIPROTOCOLHANDLER
+
+  nsDeviceProtocolHandler() {}
+  ~nsDeviceProtocolHandler() {}
+
+  nsresult Init();
+};
+
+#endif