xpcom/base/nsSystemInfo.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef _NSSYSTEMINFO_H_
   8 #define _NSSYSTEMINFO_H_
   9
  10 #include "nsHashPropertyBag.h"
  11 #include "nsISystemInfo.h"
  12 #include "mozilla/MozPromise.h"
  13
  14 #ifdef MOZ_WIDGET_ANDROID
  15 #  include "mozilla/dom/PContent.h"
  16 #endif  // MOZ_WIDGET_ANDROID
  17
  18 #if defined(XP_WIN)
  19 #  include <inspectable.h>
  20
  21 // The UUID comes from winrt/windows.system.profile.idl
  22 // in the Windows SDK
  23 MIDL_INTERFACE("7D1D81DB-8D63-4789-9EA5-DDCF65A94F3C")
  24 IWindowsIntegrityPolicyStatics : public IInspectable {
  25  public:
  26   virtual HRESULT STDMETHODCALLTYPE get_IsEnabled(bool* value) = 0;
  27 };
  28 #endif
  29
  30 class nsISerialEventTarget;
  31
  32 struct FolderDiskInfo {
  33   nsCString model;
  34   nsCString revision;
  35   bool isSSD;
  36 };
  37
  38 struct DiskInfo {
  39   FolderDiskInfo binary;
  40   FolderDiskInfo profile;
  41   FolderDiskInfo system;
  42 };
  43
  44 struct OSInfo {
  45   uint32_t installYear;
  46   bool hasSuperfetch;
  47   bool hasPrefetch;
  48 };
  49
  50 struct ProcessInfo {
  51   bool isWow64 = false;
  52   bool isWowARM64 = false;
  53   // Whether or not the system is Windows 10 or 11 in S Mode.
  54   // S Mode existed prior to us being able to query it, so this
  55   // is unreliable on Windows versions prior to 1810.
  56   bool isWindowsSMode = false;
  57   int32_t cpuCount = 0;
  58   int32_t cpuCores = 0;
  59   int32_t cpuPCount = 0;
  60   int32_t cpuMCount = 0;
  61   int32_t cpuECount = 0;
  62   nsCString cpuVendor;
  63   nsCString cpuName;
  64   int32_t cpuFamily = 0;
  65   int32_t cpuModel = 0;
  66   int32_t cpuStepping = 0;
  67   int32_t l2cacheKB = 0;
  68   int32_t l3cacheKB = 0;
  69   int32_t cpuSpeed = 0;
  70 };
  71
  72 typedef mozilla::MozPromise<DiskInfo, nsresult, /* IsExclusive */ false>
  73     DiskInfoPromise;
  74
  75 typedef mozilla::MozPromise<nsAutoString, nsresult, /* IsExclusive */ false>
  76     CountryCodePromise;
  77
  78 typedef mozilla::MozPromise<OSInfo, nsresult, /* IsExclusive */ false>
  79     OSInfoPromise;
  80
  81 typedef mozilla::MozPromise<ProcessInfo, nsresult, /* IsExclusive */ false>
  82     ProcessInfoPromise;
  83
  84 // Synchronous info collection, avoid calling it from the main thread, consider
  85 // using the promise-based `nsISystemInfo::GetProcessInfo()` instead.
  86 // Note that only known fields will be written.
  87 nsresult CollectProcessInfo(ProcessInfo& info);
  88
  89 class nsSystemInfo final : public nsISystemInfo, public nsHashPropertyBag {
  90  public:
  91   NS_DECL_ISUPPORTS_INHERITED
  92   NS_DECL_NSISYSTEMINFO
  93
  94   nsSystemInfo();
  95
  96   nsresult Init();
  97
  98   // Slot for NS_InitXPCOM to pass information to nsSystemInfo::Init.
  99   // See comments above the variable definition and in NS_InitXPCOM.
 100   static uint32_t gUserUmask;
 101
 102 #ifdef MOZ_WIDGET_ANDROID
 103   static void GetAndroidSystemInfo(mozilla::dom::AndroidSystemInfo* aInfo);
 104
 105  protected:
 106   void SetupAndroidInfo(const mozilla::dom::AndroidSystemInfo&);
 107 #endif
 108
 109  protected:
 110   void SetInt32Property(const nsAString& aPropertyName, const int32_t aValue);
 111   void SetUint32Property(const nsAString& aPropertyName, const uint32_t aValue);
 112   void SetUint64Property(const nsAString& aPropertyName, const uint64_t aValue);
 113
 114  private:
 115   ~nsSystemInfo();
 116
 117   RefPtr<DiskInfoPromise> mDiskInfoPromise;
 118   RefPtr<CountryCodePromise> mCountryCodePromise;
 119   RefPtr<OSInfoPromise> mOSInfoPromise;
 120   RefPtr<ProcessInfoPromise> mProcessInfoPromise;
 121   RefPtr<nsISerialEventTarget> mBackgroundET;
 122   RefPtr<nsISerialEventTarget> GetBackgroundTarget();
 123 };
 124
 125 #define NS_SYSTEMINFO_CONTRACTID "@mozilla.org/system-info;1"
 126 #define NS_SYSTEMINFO_CID                            \
 127   {                                                  \
 128     0xd962398a, 0x99e5, 0x49b2, {                    \
 129       0x85, 0x7a, 0xc1, 0x59, 0x04, 0x9c, 0x7f, 0x6c \
 130     }                                                \
 131   }
 132
 133 #endif /* _NSSYSTEMINFO_H_ */