1 files changed, 30 insertions, 0 deletions
diff --git a/widget/windows/nsIdleServiceWin.cpp b/widget/windows/nsIdleServiceWin.cpp
new file mode 100644
index 0000000000..4bafe7253c
--- /dev/null
+++ b/widget/windows/nsIdleServiceWin.cpp
@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=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 "nsIdleServiceWin.h"
+#include <windows.h>
+
+NS_IMPL_ISUPPORTS_INHERITED0(nsIdleServiceWin, nsIdleService)
+
+bool
+nsIdleServiceWin::PollIdleTime(uint32_t *aIdleTime)
+{
+    LASTINPUTINFO inputInfo;
+    inputInfo.cbSize = sizeof(inputInfo);
+    if (!::GetLastInputInfo(&inputInfo))
+        return false;
+
+    *aIdleTime = SAFE_COMPARE_EVEN_WITH_WRAPPING(GetTickCount(), inputInfo.dwTime);
+
+    return true;
+}
+
+bool
+nsIdleServiceWin::UsePollMode()
+{
+    return true;
+}