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QAndroidNaticeInterface: replace a pair with a struct

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Nicer member names make the code using the type more readable. It also
allows to add other members later.

Pick-to: 6.5 6.4 6.2
Change-Id: I69f1f97673a8f1ad8eb73e4f1e5323eccf929413
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>
This commit is contained in:
Marc Mutz 2022-12-22 11:02:40 +01:00
parent 500e161987
commit b6fdf34dfc
1 changed files with 15 additions and 8 deletions
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23
src/corelib/platform/android/qandroidnativeinterface.cpp
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@ -19,8 +19,12 @@ QT_BEGIN_NAMESPACE
#if QT_CONFIG(future) && !defined(QT_NO_QOBJECT)
static const char qtNativeClassName[] = "org/qtproject/qt/android/QtNative";
typedef std::pair<std::function<QVariant()>, QSharedPointer<QPromise<QVariant>>> RunnablePair;
typedef std::deque<RunnablePair> PendingRunnables;
struct PendingRunnable {
std::function<QVariant()> function;
QSharedPointer<QPromise<QVariant>> promise;
};
using PendingRunnables = std::deque<PendingRunnable>;
Q_GLOBAL_STATIC(PendingRunnables, g_pendingRunnables);
Q_CONSTINIT static QBasicMutex g_pendingRunnablesMutex;
#endif
@ -191,7 +195,11 @@ QFuture<QVariant> QNativeInterface::QAndroidApplication::runOnAndroidMainThread(
}
QMutexLocker locker(&g_pendingRunnablesMutex);
g_pendingRunnables->push_back(std::pair(runnable, promise));
#ifdef __cpp_aggregate_paren_init
g_pendingRunnables->emplace_back(runnable, std::move(promise));
#else
g_pendingRunnables->push_back({runnable, std::move(promise)});
#endif
locker.unlock();
QJniObject::callStaticMethod<void>(qtNativeClassName,
@ -209,15 +217,14 @@ static void runPendingCppRunnables(JNIEnv */*env*/, jobject /*obj*/)
if (g_pendingRunnables->empty())
break;
std::pair pair = std::move(g_pendingRunnables->front());
PendingRunnable r = std::move(g_pendingRunnables->front());
g_pendingRunnables->pop_front();
locker.unlock();
// run the runnable outside the sync block!
auto promise = pair.second;
if (!promise->isCanceled())
promise->addResult(pair.first());
promise->finish();
if (!r.promise->isCanceled())
r.promise->addResult(r.function());
r.promise->finish();
}
}
#endif