1 files changed, 84 insertions, 0 deletions
diff --git a/gfx/vr/ipc/VRProcessChild.cpp b/gfx/vr/ipc/VRProcessChild.cpp
new file mode 100644
index 0000000000..da1a7c3a87
--- /dev/null
+++ b/gfx/vr/ipc/VRProcessChild.cpp
@@ -0,0 +1,84 @@
+/* -*- 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/. */
+
+#include "VRProcessChild.h"
+
+#include "mozilla/BackgroundHangMonitor.h"
+#include "mozilla/ipc/IOThreadChild.h"
+#include "ProcessUtils.h"
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+using mozilla::ipc::IOThreadChild;
+
+StaticRefPtr<VRParent> sVRParent;
+
+VRProcessChild::VRProcessChild(ProcessId aParentPid)
+    : ProcessChild(aParentPid) {}
+
+VRProcessChild::~VRProcessChild() { sVRParent = nullptr; }
+
+/*static*/
+VRParent* VRProcessChild::GetVRParent() {
+  MOZ_ASSERT(sVRParent);
+  return sVRParent;
+}
+
+bool VRProcessChild::Init(int aArgc, char* aArgv[]) {
+  char* parentBuildID = nullptr;
+  char* prefsHandle = nullptr;
+  char* prefMapHandle = nullptr;
+  char* prefsLen = nullptr;
+  char* prefMapSize = nullptr;
+  for (int i = 1; i < aArgc; i++) {
+    if (!aArgv[i]) {
+      continue;
+    }
+    if (strcmp(aArgv[i], "-parentBuildID") == 0) {
+      parentBuildID = aArgv[i + 1];
+
+#ifdef XP_WIN
+    } else if (strcmp(aArgv[i], "-prefsHandle") == 0) {
+      if (++i == aArgc) {
+        return false;
+      }
+      prefsHandle = aArgv[i];
+    } else if (strcmp(aArgv[i], "-prefMapHandle") == 0) {
+      if (++i == aArgc) {
+        return false;
+      }
+      prefMapHandle = aArgv[i];
+#endif
+    } else if (strcmp(aArgv[i], "-prefsLen") == 0) {
+      if (++i == aArgc) {
+        return false;
+      }
+      prefsLen = aArgv[i];
+    } else if (strcmp(aArgv[i], "-prefMapSize") == 0) {
+      if (++i == aArgc) {
+        return false;
+      }
+      prefMapSize = aArgv[i];
+    }
+  }
+
+  ipc::SharedPreferenceDeserializer deserializer;
+  if (!deserializer.DeserializeFromSharedMemory(prefsHandle, prefMapHandle,
+                                                prefsLen, prefMapSize)) {
+    return false;
+  }
+
+  sVRParent = new VRParent();
+  sVRParent->Init(ParentPid(), parentBuildID, IOThreadChild::message_loop(),
+                  IOThreadChild::TakeChannel());
+
+  return true;
+}
+
+void VRProcessChild::CleanUp() {
+  sVRParent = nullptr;
+  NS_ShutdownXPCOM(nullptr);
+}