.

examples/mvvmwidgets/SampleWidgets/main.cpp

@@ -5,35 +5,32 @@
 
 #include "widgetseventservice.h"
 
-struct test : public QObject {
-	IEventService *i;
-	EchoService *s;
-
-	test(IEventService *i, EchoService *s) :
-		i(i),
-		s(s)
-	{}
-};
+#define TEST_DIRECT 0
+#define TEST_FN 1
+#define TEST_INST 2
+#define TEST_CURRENT TEST_DIRECT
 
 int main(int argc, char *argv[])
 {
 	QApplication a(argc, argv);
 
-	QtMvvm::ServiceRegistry::instance()->registerObject<EchoService>();
-	if (false) {
+	if(TEST_CURRENT == TEST_DIRECT)
+			QtMvvm::ServiceRegistry::instance()->registerObject<EchoService>();
+	if(TEST_CURRENT == TEST_FN)
 		QtMvvm::ServiceRegistry::instance()->registerObject<EchoService>([]() {
 			return new EchoService(nullptr);
 		});
+	if(TEST_CURRENT == TEST_INST)
 		QtMvvm::ServiceRegistry::instance()->registerObject<EchoService>(new EchoService());
-	}
 
-	QtMvvm::ServiceRegistry::instance()->registerInterface<IEventService, WidgetsEventService>();
-	if (false) {
+	if(TEST_CURRENT == TEST_DIRECT)
+		QtMvvm::ServiceRegistry::instance()->registerInterface<IEventService, WidgetsEventService>();
+	if(TEST_CURRENT == TEST_FN)
 		QtMvvm::ServiceRegistry::instance()->registerInterface<IEventService, WidgetsEventService>([](EchoService *echo) {
 			return new WidgetsEventService(echo, nullptr);
 		});
+	if(TEST_CURRENT == TEST_INST)
 		QtMvvm::ServiceRegistry::instance()->registerInterface<IEventService>(new WidgetsEventService());
-	}
 
 	return a.exec();
 }

src/mvvmcore/qtmvvmcore_helpertypes.h

@@ -52,19 +52,19 @@ inline QByteArray inject_iid() {
 }
 
 template <typename TFunc, typename T1, typename... TArgs>
-inline Q_CONSTEXPR std::function<QObject*(QVariantList)> pack_function_imp(const TFunc &fn, QByteArrayList &injectables) {
+inline Q_CONSTEXPR std::function<QObject*(QObjectList)> pack_function_imp(const TFunc &fn, QByteArrayList &injectables) {
 	injectables.append(inject_iid<T1>());
-	auto subFn = [fn](const QVariantList &params, int index, TArgs... tArgs) {
+	auto subFn = [fn](const QObjectList &params, int index, TArgs... tArgs) {
 		--index;
-		return fn(params, index, params[index].template value<T1>(), tArgs...);
+		return fn(params, index, qobject_cast<T1>(params[index]), tArgs...);
 	};
 	return pack_function_imp<decltype(subFn), TArgs...>(subFn, injectables);
 }
 
 template <typename TFunc>
-inline Q_CONSTEXPR std::function<QObject*(QVariantList)> pack_function_imp(const TFunc &fn, QByteArrayList &injectables) {
+inline Q_CONSTEXPR std::function<QObject*(QObjectList)> pack_function_imp(const TFunc &fn, QByteArrayList &injectables) {
 	Q_UNUSED(injectables)
-	return [fn](const QVariantList &params) {
+	return [fn](const QObjectList &params) {
 		return fn(params, params.size());
 	};
 }
@@ -76,8 +76,8 @@ template <typename TClass, typename TRet, typename... TArgs>
 struct fn_info<TRet(TClass::*)(TArgs...) const>
 {
 	template <typename TFunctor>
-	static inline Q_CONSTEXPR std::function<QObject*(QVariantList)> pack(const TFunctor &fn, QByteArrayList &injectables) {
-		auto subFn = [fn](const QVariantList &params, int index, TArgs... args) -> QObject* {
+	static inline Q_CONSTEXPR std::function<QObject*(QObjectList)> pack(const TFunctor &fn, QByteArrayList &injectables) {
+		auto subFn = [fn](const QObjectList &params, int index, TArgs... args) -> QObject* {
 			Q_UNUSED(params)
 			Q_ASSERT_X(index == 0, Q_FUNC_INFO, "number of params does not equal recursion depth");
 			return fn(args...);
@@ -87,7 +87,7 @@ struct fn_info<TRet(TClass::*)(TArgs...) const>
 };
 
 template <typename TFunc>
-inline Q_CONSTEXPR std::function<QObject*(QVariantList)> pack_function(const TFunc &fn, QByteArrayList &injectables) {
+inline Q_CONSTEXPR std::function<QObject*(QObjectList)> pack_function(const TFunc &fn, QByteArrayList &injectables) {
 	return fn_info<TFunc>::pack(fn, injectables);
 }
 

src/mvvmcore/serviceregistry.cpp

@@ -2,6 +2,8 @@
 #include "serviceregistry_p.h"
 
 #include <QtCore/QGlobalStatic>
+#include <QtCore/QRegularExpression>
+#include <QtCore/QMetaProperty>
 
 using namespace QtMvvm;
 
@@ -19,17 +21,88 @@ ServiceRegistry *ServiceRegistry::instance()
 
 void ServiceRegistry::registerService(const QByteArray &iid, const QMetaObject *metaObject)
 {
-	//TODO create function with injectables and pass to other overload
+	QMutexLocker _(&d->serviceMutex);
+	Q_ASSERT(!d->services.contains(iid)); //TODO exception
+	d->services.insert(iid, QSharedPointer<ServiceRegistryPrivate::MetaServiceInfo>::create(metaObject));
 }
 
-void ServiceRegistry::registerService(const QByteArray &iid, const std::function<QObject *(const QVariantList &)> &fn, QByteArrayList injectables)
+void ServiceRegistry::registerService(const QByteArray &iid, const std::function<QObject*(const QObjectList &)> &fn, QByteArrayList injectables)
 {
-
+	QMutexLocker _(&d->serviceMutex);
+	Q_ASSERT(!d->services.contains(iid)); //TODO exception
+	d->services.insert(iid, QSharedPointer<ServiceRegistryPrivate::FnServiceInfo>::create(fn, injectables));
 }
 
 // ------------- Private Implementation -------------
 
-ServiceRegistryPrivate::ServiceRegistryPrivate()
+ServiceRegistryPrivate::ServiceRegistryPrivate() :
+	serviceMutex(),
+	services()
+{}
+
+
+
+ServiceRegistryPrivate::ServiceInfo::ServiceInfo() :
+	_instance(nullptr)
+{}
+
+ServiceRegistryPrivate::ServiceInfo::~ServiceInfo()
+{
+	if(_instance)
+		QMetaObject::invokeMethod(_instance, "deleteLater");
+}
+
+QObject *ServiceRegistryPrivate::ServiceInfo::instance(ServiceRegistryPrivate *d)
+{
+	if(!_instance)
+		_instance = construct(d);
+	return _instance;
+}
+
+
+
+ServiceRegistryPrivate::FnServiceInfo::FnServiceInfo(const std::function<QObject*(QObjectList)> &creator, const QByteArrayList &injectables) :
+	creator(creator),
+	injectables(injectables)
+{}
+
+QObject *ServiceRegistryPrivate::FnServiceInfo::construct(ServiceRegistryPrivate *d) const
+{
+	QObjectList params;
+	foreach(auto inj, injectables)
+		params.append(d->services.value(inj)->instance(d));//TODO exception
+	return creator(params);
+}
+
+
+
+ServiceRegistryPrivate::MetaServiceInfo::MetaServiceInfo(const QMetaObject *metaObject) :
+	metaObject(metaObject)
+{}
+
+QObject *ServiceRegistryPrivate::MetaServiceInfo::construct(ServiceRegistryPrivate *d) const
 {
+	auto instance = metaObject->newInstance();
+	Q_ASSERT(instance); //TODO exception
+
+	static QRegularExpression nameRegex(QStringLiteral(R"__(^__qtmvvm_inject_(.+)$)__"),
+										QRegularExpression::OptimizeOnFirstUsageOption);
+
+	for(auto i = 0; i < metaObject->propertyCount(); i++) {
+		auto prop = metaObject->property(i);
+		auto match = nameRegex.match(QString::fromUtf8(prop.name()));
+		if(match.hasMatch()) {
+			auto tPropIndex = metaObject->indexOfProperty(qUtf8Printable(match.captured(1)));
+			if(tPropIndex == -1)
+				continue; //TODO warning
+			auto tProp = metaObject->property(tPropIndex);
+
+			auto inject = prop.read(instance).toByteArray();
+			auto injObj = d->services.value(inject)->instance(d); //TODO exception
+			tProp.write(instance, QVariant::fromValue(injObj)); //TODO check if casting works
+		}
+	}
 
+	//TODO call "init" method
+	return instance;
 }

src/mvvmcore/serviceregistry.h

@@ -34,7 +34,7 @@ public:
 	void registerService(const QByteArray &iid,
 						 const QMetaObject *metaObject);
 	void registerService(const QByteArray &iid,
-						 const std::function<QObject*(const QVariantList&)> &fn,
+						 const std::function<QObject*(const QObjectList &)> &fn,
 						 QByteArrayList injectables);
 
 private:
@@ -65,7 +65,7 @@ template<typename TInterface, typename TService>
 void ServiceRegistry::registerInterface(TService *service)
 {
 	QTMVVM_SERVICE_ASSERT(TInterface, TService)
-	registerService(qobject_interface_iid<TInterface*>(), [service](const QVariantList &params) -> QObject* {
+	registerService(qobject_interface_iid<TInterface*>(), [service](const QObjectList &params) -> QObject* {
 		Q_UNUSED(params);
 		return service;
 	}, QByteArrayList());
@@ -95,7 +95,7 @@ template<typename TService>
 void ServiceRegistry::registerObject(TService *service)
 {
 	QTMVVM_SERVICE_ASSERT(TService)
-	registerService(__helpertypes::qobject_iid<TService*>(), [service](const QVariantList &params) -> QObject* {
+	registerService(__helpertypes::qobject_iid<TService*>(), [service](const QObjectList &params) -> QObject* {
 		Q_UNUSED(params);
 		return service;
 	}, QByteArrayList());

src/mvvmcore/serviceregistry_p.h

@@ -1,6 +1,8 @@
 #ifndef QTMVVM_SERVICEREGISTRY_P_H
 #define QTMVVM_SERVICEREGISTRY_P_H
 
+#include <QtCore/QMutex>
+
 #include "qtmvvmcore_global.h"
 #include "serviceregistry.h"
 
@@ -9,6 +11,46 @@ namespace QtMvvm {
 class ServiceRegistryPrivate
 {
 public:
+	class ServiceInfo {
+	public:
+		ServiceInfo();
+		virtual ~ServiceInfo();
+
+		QObject *instance(ServiceRegistryPrivate *d);
+
+	protected:
+		virtual QObject *construct(ServiceRegistryPrivate *d) const = 0;
+
+	private:
+		QObject *_instance;
+	};
+
+	class FnServiceInfo : public ServiceInfo {
+	public:
+		FnServiceInfo(const std::function<QObject*(QObjectList)> &creator, const QByteArrayList &injectables);
+
+	protected:
+		QObject *construct(ServiceRegistryPrivate *d) const final;
+
+	private:
+		std::function<QObject*(QObjectList)> creator;
+		QByteArrayList injectables;
+	};
+
+	class MetaServiceInfo : public ServiceInfo {
+	public:
+		MetaServiceInfo(const QMetaObject *metaObject);
+
+	protected:
+		QObject *construct(ServiceRegistryPrivate *d) const final;
+
+	private:
+		const QMetaObject *metaObject;
+	};
+
+	QMutex serviceMutex;
+	QHash<QByteArray, QSharedPointer<ServiceInfo>> services;
+
 	ServiceRegistryPrivate();
 };