Bug 1565295 - Create Command Line Handler for FxR on desktop r=mossop

This change introduces the stubs for nsFxrCommandLineHandler,
which will support launching Firefox Reality on Desktop.

Differential Revision: https://phabricator.services.mozilla.com/D37760

--HG--
extra : moz-landing-system : lando

gfx/vr/components.conf

@@ -0,0 +1,15 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+Classes = [
+    {
+        'cid': '{5baca10a-4d53-4335-b24d-c69696640a9a}',
+        'contract_ids': ['@mozilla.org/fxr/clh;1'],
+        'type': 'nsFxrCommandLineHandler',
+        'headers': ['/gfx/vr/nsFxrCommandLineHandler.h'],
+        'categories': {'command-line-handler': 'm-vrbrowser'},
+    },
+]

gfx/vr/moz.build

@@ -51,6 +51,7 @@ UNIFIED_SOURCES += [
 ]
 
 SOURCES += [
+    'nsFxrCommandLineHandler.cpp',
     'VRManager.cpp',
     'VRPuppetCommandBuffer.cpp',
     'VRShMem.cpp'
@@ -80,6 +81,10 @@ IPDL_SOURCES = [
     'ipc/PVRManager.ipdl',
 ]
 
+XPCOM_MANIFESTS += [
+  'components.conf',
+]
+
 CXXFLAGS += CONFIG['MOZ_CAIRO_CFLAGS']
 CXXFLAGS += CONFIG['TK_CFLAGS']
 CFLAGS += CONFIG['MOZ_CAIRO_CFLAGS']

gfx/vr/nsFxrCommandLineHandler.cpp

@@ -0,0 +1,23 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+// vim:cindent:tabstop=4:expandtab:shiftwidth=4:
+/* 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 "nsFxrCommandLineHandler.h"
+#include "nsICommandLine.h"
+#include "nsString.h"
+
+NS_IMPL_ISUPPORTS(nsFxrCommandLineHandler, nsICommandLineHandler)
+
+NS_IMETHODIMP
+nsFxrCommandLineHandler::Handle(nsICommandLine* aCmdLine) {
+  // Bug 1565296 - Implement Command Line Handler for FxR on desktop
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFxrCommandLineHandler::GetHelpInfo(nsACString& aResult) {
+  // Bug 1565296 - Implement Command Line Handler for FxR on desktop
+  return NS_OK;
+}

gfx/vr/nsFxrCommandLineHandler.h

@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+// vim:cindent:tabstop=4:expandtab:shiftwidth=4:
+/* 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 GFX_VR_nsFxrCommandLineHandler_h_
+#define GFX_VR_nsFxrCommandLineHandler_h_
+
+#include "nsICommandLineHandler.h"
+
+// 5baca10a-4d53-4335-b24d-c69696640a9a
+#define NS_FXRCOMMANDLINEHANDLER_CID                 \
+  {                                                  \
+    0x5baca10a, 0x4d53, 0x4335, {                    \
+      0xb2, 0x4d, 0xc6, 0x96, 0x96, 0x64, 0x0a, 0x9a \
+    }                                                \
+  }
+
+class nsFxrCommandLineHandler : public nsICommandLineHandler {
+ public:
+  nsFxrCommandLineHandler() = default;
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSICOMMANDLINEHANDLER
+
+ protected:
+  virtual ~nsFxrCommandLineHandler() = default;
+};
+
+#endif /* !defined(GFX_VR_nsFxrCommandLineHandler_h_) */