/src/mozilla-central/xpcom/components/nsServiceManagerUtils.h
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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 nsServiceManagerUtils_h__ |
8 | | #define nsServiceManagerUtils_h__ |
9 | | |
10 | | #include "nsIServiceManager.h" |
11 | | #include "nsCOMPtr.h" |
12 | | #include "nsString.h" |
13 | | |
14 | | inline const nsGetServiceByCID |
15 | | do_GetService(const nsCID& aCID) |
16 | | { |
17 | | return nsGetServiceByCID(aCID); |
18 | | } |
19 | | |
20 | | inline const nsGetServiceByCIDWithError |
21 | | do_GetService(const nsCID& aCID, nsresult* aError) |
22 | | { |
23 | | return nsGetServiceByCIDWithError(aCID, aError); |
24 | | } |
25 | | |
26 | | inline const nsGetServiceByContractID |
27 | | do_GetService(const char* aContractID) |
28 | | { |
29 | | return nsGetServiceByContractID(aContractID); |
30 | | } |
31 | | |
32 | | inline const nsGetServiceByContractIDWithError |
33 | | do_GetService(const char* aContractID, nsresult* aError) |
34 | | { |
35 | | return nsGetServiceByContractIDWithError(aContractID, aError); |
36 | | } |
37 | | |
38 | | class MOZ_STACK_CLASS nsGetServiceFromCategory final : public nsCOMPtr_helper |
39 | | { |
40 | | public: |
41 | | nsGetServiceFromCategory(const nsACString& aCategory, const nsACString& aEntry, |
42 | | nsresult* aErrorPtr) |
43 | | : mCategory(aCategory) |
44 | | , mEntry(aEntry) |
45 | | , mErrorPtr(aErrorPtr) |
46 | 1 | { |
47 | 1 | } |
48 | | |
49 | | virtual nsresult NS_FASTCALL operator()(const nsIID&, void**) const |
50 | | override; |
51 | | protected: |
52 | | const nsCString mCategory; |
53 | | const nsCString mEntry; |
54 | | nsresult* mErrorPtr; |
55 | | }; |
56 | | |
57 | | inline const nsGetServiceFromCategory |
58 | | do_GetServiceFromCategory(const nsACString& aCategory, const nsACString& aEntry, |
59 | | nsresult* aError = 0) |
60 | 1 | { |
61 | 1 | return nsGetServiceFromCategory(aCategory, aEntry, aError); |
62 | 1 | } |
63 | | |
64 | | nsresult CallGetService(const nsCID& aClass, const nsIID& aIID, void** aResult); |
65 | | |
66 | | nsresult CallGetService(const char* aContractID, const nsIID& aIID, |
67 | | void** aResult); |
68 | | |
69 | | // type-safe shortcuts for calling |GetService| |
70 | | template<class DestinationType> |
71 | | inline nsresult |
72 | | CallGetService(const nsCID& aClass, |
73 | | DestinationType** aDestination) |
74 | | { |
75 | | MOZ_ASSERT(aDestination, "null parameter"); |
76 | | |
77 | | return CallGetService(aClass, |
78 | | NS_GET_TEMPLATE_IID(DestinationType), |
79 | | reinterpret_cast<void**>(aDestination)); |
80 | | } |
81 | | |
82 | | template<class DestinationType> |
83 | | inline nsresult |
84 | | CallGetService(const char* aContractID, |
85 | | DestinationType** aDestination) |
86 | 0 | { |
87 | 0 | MOZ_ASSERT(aContractID, "null parameter"); |
88 | 0 | MOZ_ASSERT(aDestination, "null parameter"); |
89 | 0 |
|
90 | 0 | return CallGetService(aContractID, |
91 | 0 | NS_GET_TEMPLATE_IID(DestinationType), |
92 | 0 | reinterpret_cast<void**>(aDestination)); |
93 | 0 | } |
94 | | |
95 | | #endif |