1 files changed, 43 insertions, 0 deletions
diff --git a/widget/GfxInfoCollector.cpp b/widget/GfxInfoCollector.cpp
new file mode 100644
index 0000000000..262b2206cd
--- /dev/null
+++ b/widget/GfxInfoCollector.cpp
@@ -0,0 +1,43 @@
+/* vim: se cin sw=2 ts=2 et : */
+/* -*- 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/. */
+
+#include "GfxInfoCollector.h"
+#include "jsapi.h"
+#include "nsString.h"
+
+using namespace mozilla;
+using namespace widget;
+
+void InfoObject::DefineProperty(const char* name, int value) {
+  if (!mOk) return;
+
+  mOk = JS_DefineProperty(mCx, mObj, name, value, JSPROP_ENUMERATE);
+}
+
+void InfoObject::DefineProperty(const char* name, nsAString& value) {
+  if (!mOk) return;
+
+  const nsString& flat = PromiseFlatString(value);
+  JS::Rooted<JSString*> string(
+      mCx, JS_NewUCStringCopyN(mCx, static_cast<const char16_t*>(flat.get()),
+                               flat.Length()));
+  if (!string) mOk = false;
+
+  if (!mOk) return;
+
+  mOk = JS_DefineProperty(mCx, mObj, name, string, JSPROP_ENUMERATE);
+}
+
+void InfoObject::DefineProperty(const char* name, const char* value) {
+  nsAutoString string = NS_ConvertASCIItoUTF16(value);
+  DefineProperty(name, string);
+}
+
+InfoObject::InfoObject(JSContext* aCx) : mCx(aCx), mObj(aCx), mOk(true) {
+  mObj = JS_NewPlainObject(aCx);
+  if (!mObj) mOk = false;
+}