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65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef qsObjectHelper_h
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#define qsObjectHelper_h
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#include "xpcObjectHelper.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMNode.h"
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#include "nsINode.h"
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#include "nsWrapperCache.h"
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#include "mozilla/TypeTraits.h"
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template <typename T>
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struct qsIsNode
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{
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static const bool value =
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mozilla::IsBaseOf<nsINode, T>::value ||
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mozilla::IsBaseOf<nsIDOMNode, T>::value;
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};
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class qsObjectHelper : public xpcObjectHelper
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{
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public:
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template <class T>
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inline
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qsObjectHelper(T *aObject, nsWrapperCache *aCache)
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: xpcObjectHelper(ToSupports(aObject), ToCanonicalSupports(aObject),
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aCache, qsIsNode<T>::value)
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{}
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template <class T>
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inline
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qsObjectHelper(nsCOMPtr<T>& aObject, nsWrapperCache *aCache)
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: xpcObjectHelper(ToSupports(aObject.get()),
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ToCanonicalSupports(aObject.get()), aCache,
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qsIsNode<T>::value)
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{
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if (mCanonical) {
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// Transfer the strong reference.
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mCanonicalStrong = dont_AddRef(mCanonical);
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aObject.forget();
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}
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}
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template <class T>
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inline
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qsObjectHelper(nsRefPtr<T>& aObject, nsWrapperCache *aCache)
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: xpcObjectHelper(ToSupports(aObject.get()),
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ToCanonicalSupports(aObject.get()), aCache,
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qsIsNode<T>::value)
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{
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if (mCanonical) {
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// Transfer the strong reference.
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mCanonicalStrong = dont_AddRef(mCanonical);
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aObject.forget();
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}
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}
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};
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#endif
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