js/xpconnect/src/qsObjectHelper.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/xpconnect/src/qsObjectHelper.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,54 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* vim: set ts=8 sts=4 et sw=4 tw=99: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#ifndef qsObjectHelper_h
    1.11 +#define qsObjectHelper_h
    1.12 +
    1.13 +#include "xpcObjectHelper.h"
    1.14 +
    1.15 +#include "nsAutoPtr.h"
    1.16 +#include "nsCOMPtr.h"
    1.17 +#include "nsWrapperCache.h"
    1.18 +#include "mozilla/TypeTraits.h"
    1.19 +
    1.20 +class qsObjectHelper : public xpcObjectHelper
    1.21 +{
    1.22 +public:
    1.23 +    template <class T>
    1.24 +    inline
    1.25 +    qsObjectHelper(T *aObject, nsWrapperCache *aCache)
    1.26 +        : xpcObjectHelper(ToSupports(aObject), ToCanonicalSupports(aObject),
    1.27 +                          aCache)
    1.28 +    {}
    1.29 +
    1.30 +    template <class T>
    1.31 +    inline
    1.32 +    qsObjectHelper(nsCOMPtr<T>& aObject, nsWrapperCache *aCache)
    1.33 +        : xpcObjectHelper(ToSupports(aObject.get()),
    1.34 +                          ToCanonicalSupports(aObject.get()), aCache)
    1.35 +    {
    1.36 +        if (mCanonical) {
    1.37 +            // Transfer the strong reference.
    1.38 +            mCanonicalStrong = dont_AddRef(mCanonical);
    1.39 +            aObject.forget();
    1.40 +        }
    1.41 +    }
    1.42 +
    1.43 +    template <class T>
    1.44 +    inline
    1.45 +    qsObjectHelper(nsRefPtr<T>& aObject, nsWrapperCache *aCache)
    1.46 +        : xpcObjectHelper(ToSupports(aObject.get()),
    1.47 +                          ToCanonicalSupports(aObject.get()), aCache)
    1.48 +    {
    1.49 +        if (mCanonical) {
    1.50 +            // Transfer the strong reference.
    1.51 +            mCanonicalStrong = dont_AddRef(mCanonical);
    1.52 +            aObject.forget();
    1.53 +        }
    1.54 +    }
    1.55 +};
    1.56 +
    1.57 +#endif

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