js/xpconnect/src/qsObjectHelper.h

branch
TOR_BUG_3246
changeset 7
129ffea94266
equal deleted inserted replaced
-1:000000000000 0:ff042c28958e
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* vim: set ts=8 sts=4 et sw=4 tw=99: */
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 qsObjectHelper_h
8 #define qsObjectHelper_h
9
10 #include "xpcObjectHelper.h"
11
12 #include "nsAutoPtr.h"
13 #include "nsCOMPtr.h"
14 #include "nsWrapperCache.h"
15 #include "mozilla/TypeTraits.h"
16
17 class qsObjectHelper : public xpcObjectHelper
18 {
19 public:
20 template <class T>
21 inline
22 qsObjectHelper(T *aObject, nsWrapperCache *aCache)
23 : xpcObjectHelper(ToSupports(aObject), ToCanonicalSupports(aObject),
24 aCache)
25 {}
26
27 template <class T>
28 inline
29 qsObjectHelper(nsCOMPtr<T>& aObject, nsWrapperCache *aCache)
30 : xpcObjectHelper(ToSupports(aObject.get()),
31 ToCanonicalSupports(aObject.get()), aCache)
32 {
33 if (mCanonical) {
34 // Transfer the strong reference.
35 mCanonicalStrong = dont_AddRef(mCanonical);
36 aObject.forget();
37 }
38 }
39
40 template <class T>
41 inline
42 qsObjectHelper(nsRefPtr<T>& aObject, nsWrapperCache *aCache)
43 : xpcObjectHelper(ToSupports(aObject.get()),
44 ToCanonicalSupports(aObject.get()), aCache)
45 {
46 if (mCanonical) {
47 // Transfer the strong reference.
48 mCanonicalStrong = dont_AddRef(mCanonical);
49 aObject.forget();
50 }
51 }
52 };
53
54 #endif

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