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Simplify creating QCFTypes from CFTypeRefs

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Instead of forcing the user to cast:

  QCFType<CFFooRef> foo = (CFFooRef)CFFunctionReturningCFTypeRef());

We can do it for them, since we already know the expected type:

  auto foo = QCFType<CFFooRef>(CFFunctionReturningCFTypeRef));

Change-Id: I994d5d6530f220288b4bfd6ab16eae9f159ce3ef
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This commit is contained in:
Tor Arne Vestbø 2019-10-02 15:39:17 +02:00
parent 191eb076a9
commit f21ecb5657
1 changed files with 4 additions and 1 deletions
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5
src/corelib/kernel/qcore_mac_p.h
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@ -137,8 +137,10 @@ private:
template <typename T>
class QCFType : public QAppleRefCounted<T, CFTypeRef, CFRetain, CFRelease>
{
using Base = QAppleRefCounted<T, CFTypeRef, CFRetain, CFRelease>;
public:
using QAppleRefCounted<T, CFTypeRef, CFRetain, CFRelease>::QAppleRefCounted;
using Base::Base;
explicit QCFType(CFTypeRef r) : Base(static_cast<T>(r)) {}
template <typename X> X as() const { return reinterpret_cast<X>(this->value); }
static QCFType constructFromGet(const T &t)
{
@ -151,6 +153,7 @@ public:
class Q_CORE_EXPORT QCFString : public QCFType<CFStringRef>
{
public:
using QCFType<CFStringRef>::QCFType;
inline QCFString(const QString &str) : QCFType<CFStringRef>(0), string(str) {}
inline QCFString(const CFStringRef cfstr = 0) : QCFType<CFStringRef>(cfstr) {}
inline QCFString(const QCFType<CFStringRef> &other) : QCFType<CFStringRef>(other) {}