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 class nsISerialEventTarget;
19 
20 struct FolderDiskInfo {
21   nsCString model;
22   nsCString revision;
23   bool isSSD;
24 };
25 
26 struct DiskInfo {
27   FolderDiskInfo binary;
28   FolderDiskInfo profile;
29   FolderDiskInfo system;
30 };
31 
32 struct OSInfo {
33   uint32_t installYear;
34   bool hasSuperfetch;
35   bool hasPrefetch;
36 };
37 
38 struct ProcessInfo {
39   bool isWow64;
40   bool isWowARM64;
41   int32_t cpuCount;
42   int32_t cpuCores;
43   nsCString cpuVendor;
44   int32_t cpuFamily;
45   int32_t cpuModel;
46   int32_t cpuStepping;
47   int32_t l2cacheKB;
48   int32_t l3cacheKB;
49   int32_t cpuSpeed;
50 };
51 
52 typedef mozilla::MozPromise<DiskInfo, nsresult, /* IsExclusive */ false>
53     DiskInfoPromise;
54 
55 typedef mozilla::MozPromise<nsAutoString, nsresult, /* IsExclusive */ false>
56     CountryCodePromise;
57 
58 typedef mozilla::MozPromise<OSInfo, nsresult, /* IsExclusive */ false>
59     OSInfoPromise;
60 
61 typedef mozilla::MozPromise<ProcessInfo, nsresult, /* IsExclusive */ false>
62     ProcessInfoPromise;
63 
64 // Synchronous info collection, avoid calling it from the main thread, consider
65 // using the promise-based `nsISystemInfo::GetProcessInfo()` instead.
66 // Note that only known fields will be written.
67 nsresult CollectProcessInfo(ProcessInfo& info);
68 
69 class nsSystemInfo final : public nsISystemInfo, public nsHashPropertyBag {
70  public:
71   NS_DECL_ISUPPORTS_INHERITED
72   NS_DECL_NSISYSTEMINFO
73 
74   nsSystemInfo();
75 
76   nsresult Init();
77 
78   // Slot for NS_InitXPCOM to pass information to nsSystemInfo::Init.
79   // See comments above the variable definition and in NS_InitXPCOM.
80   static uint32_t gUserUmask;
81 
82 #ifdef MOZ_WIDGET_ANDROID
83   static void GetAndroidSystemInfo(mozilla::dom::AndroidSystemInfo* aInfo);
84 
85  protected:
86   void SetupAndroidInfo(const mozilla::dom::AndroidSystemInfo&);
87 #endif
88 
89  protected:
90   void SetInt32Property(const nsAString& aPropertyName, const int32_t aValue);
91   void SetUint32Property(const nsAString& aPropertyName, const uint32_t aValue);
92   void SetUint64Property(const nsAString& aPropertyName, const uint64_t aValue);
93 
94  private:
95   ~nsSystemInfo();
96 
97   RefPtr<DiskInfoPromise> mDiskInfoPromise;
98   RefPtr<CountryCodePromise> mCountryCodePromise;
99   RefPtr<OSInfoPromise> mOSInfoPromise;
100   RefPtr<ProcessInfoPromise> mProcessInfoPromise;
101   RefPtr<nsISerialEventTarget> mBackgroundET;
102   RefPtr<nsISerialEventTarget> GetBackgroundTarget();
103 };
104 
105 #define NS_SYSTEMINFO_CONTRACTID "@mozilla.org/system-info;1"
106 #define NS_SYSTEMINFO_CID                            \
107   {                                                  \
108     0xd962398a, 0x99e5, 0x49b2, {                    \
109       0x85, 0x7a, 0xc1, 0x59, 0x04, 0x9c, 0x7f, 0x6c \
110     }                                                \
111   }
112 
113 #endif /* _NSSYSTEMINFO_H_ */
114