1 files changed, 113 insertions, 0 deletions
diff --git a/xpcom/base/nsSystemInfo.h b/xpcom/base/nsSystemInfo.h
new file mode 100644
index 0000000000..6d12c8e34d
--- /dev/null
+++ b/xpcom/base/nsSystemInfo.h
@@ -0,0 +1,113 @@
+/* -*- 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/. */
+
+#ifndef _NSSYSTEMINFO_H_
+#define _NSSYSTEMINFO_H_
+
+#include "nsHashPropertyBag.h"
+#include "nsISystemInfo.h"
+#include "mozilla/MozPromise.h"
+
+#ifdef MOZ_WIDGET_ANDROID
+#  include "mozilla/dom/PContent.h"
+#endif  // MOZ_WIDGET_ANDROID
+
+class nsISerialEventTarget;
+
+struct FolderDiskInfo {
+  nsCString model;
+  nsCString revision;
+  bool isSSD;
+};
+
+struct DiskInfo {
+  FolderDiskInfo binary;
+  FolderDiskInfo profile;
+  FolderDiskInfo system;
+};
+
+struct OSInfo {
+  uint32_t installYear;
+  bool hasSuperfetch;
+  bool hasPrefetch;
+};
+
+struct ProcessInfo {
+  bool isWow64;
+  bool isWowARM64;
+  int32_t cpuCount;
+  int32_t cpuCores;
+  nsCString cpuVendor;
+  int32_t cpuFamily;
+  int32_t cpuModel;
+  int32_t cpuStepping;
+  int32_t l2cacheKB;
+  int32_t l3cacheKB;
+  int32_t cpuSpeed;
+};
+
+typedef mozilla::MozPromise<DiskInfo, nsresult, /* IsExclusive */ false>
+    DiskInfoPromise;
+
+typedef mozilla::MozPromise<nsAutoString, nsresult, /* IsExclusive */ false>
+    CountryCodePromise;
+
+typedef mozilla::MozPromise<OSInfo, nsresult, /* IsExclusive */ false>
+    OSInfoPromise;
+
+typedef mozilla::MozPromise<ProcessInfo, nsresult, /* IsExclusive */ false>
+    ProcessInfoPromise;
+
+// Synchronous info collection, avoid calling it from the main thread, consider
+// using the promise-based `nsISystemInfo::GetProcessInfo()` instead.
+// Note that only known fields will be written.
+nsresult CollectProcessInfo(ProcessInfo& info);
+
+class nsSystemInfo final : public nsISystemInfo, public nsHashPropertyBag {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_NSISYSTEMINFO
+
+  nsSystemInfo();
+
+  nsresult Init();
+
+  // Slot for NS_InitXPCOM to pass information to nsSystemInfo::Init.
+  // See comments above the variable definition and in NS_InitXPCOM.
+  static uint32_t gUserUmask;
+
+#ifdef MOZ_WIDGET_ANDROID
+  static void GetAndroidSystemInfo(mozilla::dom::AndroidSystemInfo* aInfo);
+
+ protected:
+  void SetupAndroidInfo(const mozilla::dom::AndroidSystemInfo&);
+#endif
+
+ protected:
+  void SetInt32Property(const nsAString& aPropertyName, const int32_t aValue);
+  void SetUint32Property(const nsAString& aPropertyName, const uint32_t aValue);
+  void SetUint64Property(const nsAString& aPropertyName, const uint64_t aValue);
+
+ private:
+  ~nsSystemInfo();
+
+  RefPtr<DiskInfoPromise> mDiskInfoPromise;
+  RefPtr<CountryCodePromise> mCountryCodePromise;
+  RefPtr<OSInfoPromise> mOSInfoPromise;
+  RefPtr<ProcessInfoPromise> mProcessInfoPromise;
+  RefPtr<nsISerialEventTarget> mBackgroundET;
+  RefPtr<nsISerialEventTarget> GetBackgroundTarget();
+};
+
+#define NS_SYSTEMINFO_CONTRACTID "@mozilla.org/system-info;1"
+#define NS_SYSTEMINFO_CID                            \
+  {                                                  \
+    0xd962398a, 0x99e5, 0x49b2, {                    \
+      0x85, 0x7a, 0xc1, 0x59, 0x04, 0x9c, 0x7f, 0x6c \
+    }                                                \
+  }
+
+#endif /* _NSSYSTEMINFO_H_ */