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Add template copy constructor to FbTk::Refcount

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and remove a an "almost" copy constructor (almost, because it takes a non-const reference
parameter) which was useless.
This commit is contained in:
Pavel Labath 2011-06-14 16:47:32 +02:00
parent b9e9eb4e44
commit 0a40d1caf3
1 changed files with 8 additions and 2 deletions
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10
src/FbTk/RefCount.hh
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@ -32,8 +32,9 @@ class RefCount {
public:
RefCount();
explicit RefCount(Pointer *p);
explicit RefCount(RefCount<Pointer> &copy);
RefCount(const RefCount<Pointer> &copy);
template<typename Pointer2>
RefCount(const RefCount<Pointer2> &copy);
~RefCount();
RefCount<Pointer> &operator = (const RefCount<Pointer> &copy);
RefCount<Pointer> &operator = (Pointer *p);
@ -50,6 +51,10 @@ private:
void decRefCount();
Pointer *m_data; ///< data holder
unsigned int *m_refcount; ///< holds reference counting
// we need this for the template copy constructor
template<typename Pointer2>
friend class RefCount;
};
// implementation
@ -60,7 +65,8 @@ RefCount<Pointer>::RefCount():m_data(0), m_refcount(new unsigned int(0)) {
}
template <typename Pointer>
RefCount<Pointer>::RefCount(RefCount<Pointer> &copy):
template <typename Pointer2>
RefCount<Pointer>::RefCount(const RefCount<Pointer2> &copy):
m_data(copy.m_data),
m_refcount(copy.m_refcount) {
incRefCount();