generic injection prepared

examples/mvvmcore/SampleCore/ieventservice.h

@@ -15,5 +15,6 @@ Q_SIGNALS:
 
 #define IEventServiceIid "de.skycoder42.qtmvvm.sample.IEventService"
 Q_DECLARE_INTERFACE(IEventService, IEventServiceIid)
+Q_DECLARE_METATYPE(IEventService*)
 
 #endif // IEVENTSERVICE_H

examples/mvvmwidgets/SampleWidgets/main.cpp

@@ -1,9 +1,39 @@
 #include "mainwindow.h"
 #include <QApplication>
 
+#include <QtMvvmCore/ServiceRegistry>
+
+#include "widgetseventservice.h"
+
+struct test : public QObject {
+	IEventService *i;
+	EchoService *s;
+
+	test(IEventService *i, EchoService *s) :
+		i(i),
+		s(s)
+	{}
+};
+
 int main(int argc, char *argv[])
 {
 	QApplication a(argc, argv);
 
+	QtMvvm::ServiceRegistry::instance()->registerObject<EchoService>();
+	if (false) {
+		QtMvvm::ServiceRegistry::instance()->registerObject<EchoService>([]() {
+			return new EchoService(nullptr);
+		});
+		QtMvvm::ServiceRegistry::instance()->registerObject<EchoService>(new EchoService());
+	}
+
+	QtMvvm::ServiceRegistry::instance()->registerInterface<IEventService, WidgetsEventService>();
+	if (false) {
+		QtMvvm::ServiceRegistry::instance()->registerInterface<IEventService, WidgetsEventService>([](EchoService *echo) {
+			return new WidgetsEventService(echo, nullptr);
+		});
+		QtMvvm::ServiceRegistry::instance()->registerInterface<IEventService>(new WidgetsEventService());
+	}
+
 	return a.exec();
 }

examples/mvvmwidgets/SampleWidgets/widgetseventservice.cpp

@@ -4,7 +4,16 @@ WidgetsEventService::WidgetsEventService(QObject *parent) :
 	QObject(parent),
 	IEventService(),
 	_cnt(0),
-	_events()
+	_events(),
+	_echoService(nullptr)
+{}
+
+WidgetsEventService::WidgetsEventService(EchoService *svc, QObject *parent) :
+	QObject(parent),
+	IEventService(),
+	_cnt(0),
+	_events(),
+	_echoService(svc)
 {}
 
 int WidgetsEventService::addEvent(const QString &name)
@@ -16,7 +25,7 @@ int WidgetsEventService::addEvent(const QString &name)
 
 	_events.insert(_cnt, timer);
 	connect(timer.data(), &QTimer::timeout, this, [this, name]() {
-		emit eventTriggered(name);
+		_echoService->ping(name);//TODO event triggered signal
 	});
 	timer->start(1000);
 

examples/mvvmwidgets/SampleWidgets/widgetseventservice.h

@@ -19,6 +19,7 @@ class WidgetsEventService : public QObject, public IEventService
 
 public:
 	explicit WidgetsEventService(QObject *parent = nullptr);
+	explicit WidgetsEventService(EchoService* svc, QObject *parent = nullptr);
 
 	int addEvent(const QString &name) override;
 	void removeEvent(int eventId) override;

src/mvvmcore/qtmvvmcore_global.h

@@ -5,7 +5,7 @@
 
 #include "qtmvvmcore_helpertypes.h"
 
-#if defined(QT_BUILD_MVVM_LIB)
+#if defined(QT_BUILD_MVVMCORE_LIB)
 #	define Q_MVVMCORE_EXPORT Q_DECL_EXPORT
 #else
 #	define Q_MVVMCORE_EXPORT Q_DECL_IMPORT

src/mvvmcore/qtmvvmcore_helpertypes.h

@@ -2,35 +2,96 @@
 #define QTMVVMCORE_HELPERTYPES_H
 
 #include <type_traits>
+#include <tuple>
+#include <functional>
 
 #include <QtCore/qobject.h>
+#include <QtCore/qbytearray.h>
+#include <QtCore/qvariant.h>
 
 namespace QtMvvm {
 namespace __helpertypes {
 
+#if __cplusplus >= 201703L
+template<typename... T>
+using conjunction = std::conjunction<T...>;
+#else
+template<typename... T>
+using conjunction = std::__and_<T...>;
+#endif
+
+static const QByteArray InjectablePrefix = QByteArrayLiteral("de.skycoder42.qtmvvm.injectable.");
+
+template <typename T>
+struct is_qobj : public std::is_base_of<QObject, T> {};
+
 template <typename T>
-struct is_qobj : public std::is_base_of<QObject, std::remove_pointer_t<T>> {};
+struct is_qobj_ptr : public is_qobj<std::remove_pointer_t<T>> {};
 
-template <typename TInject>
-inline QByteArray qobject_iid(std::enable_if_t<is_qobj<TInject>::value, void*> = nullptr) {
-	return QByteArrayLiteral("de.skycoder42.qtmvvm.injectable.") + std::remove_pointer_t<TInject>::staticMetaObject.className();
+template <typename TInterface, typename TService>
+struct is_valid_interface : public conjunction<std::is_base_of<TInterface, TService>, is_qobj<TService>> {};
+
+template <typename TInjectPtr>
+inline QByteArray qobject_iid(std::enable_if_t<is_qobj_ptr<TInjectPtr>::value, void*> = nullptr) {
+	return InjectablePrefix + std::remove_pointer_t<TInjectPtr>::staticMetaObject.className();
 }
 
-template <typename TInject>
-inline QByteArray qobject_iid(std::enable_if_t<!is_qobj<TInject>::value, void*> = nullptr) {
+template <typename TInjectPtr>
+inline QByteArray qobject_iid(std::enable_if_t<!is_qobj_ptr<TInjectPtr>::value, void*> = nullptr) {
 	Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid injection type");
 	return "";
 }
 
-template <typename TInject>
+template <typename TInjectPtr>
 inline QByteArray inject_iid() {
-	auto iid = qobject_interface_iid<TInject>();
+	auto iid = qobject_interface_iid<TInjectPtr>();
 	if(iid)
 		return iid;
 	else
-		return qobject_iid<TInject>();
+		return qobject_iid<TInjectPtr>();
+}
+
+template <typename TFunc, typename T1, typename... TArgs>
+inline Q_CONSTEXPR std::function<QObject*(QVariantList)> pack_function_imp(const TFunc &fn, QByteArrayList &injectables) {
+	injectables.append(inject_iid<T1>());
+	auto subFn = [fn](const QVariantList &params, int index, TArgs... tArgs) {
+		--index;
+		return fn(params, index, params[index].template value<T1>(), 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) {
+	Q_UNUSED(injectables)
+	return [fn](const QVariantList &params) {
+		return fn(params, params.size());
+	};
+}
+
+template <typename T>
+struct fn_info : public fn_info<decltype(&T::operator())> {};
+
+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* {
+			Q_UNUSED(params)
+			Q_ASSERT_X(index == 0, Q_FUNC_INFO, "number of params does not equal recursion depth");
+			return fn(args...);
+		};
+		return pack_function_imp<decltype(subFn), TArgs...>(subFn, injectables);
+	}
+};
+
+template <typename TFunc>
+inline Q_CONSTEXPR std::function<QObject*(QVariantList)> pack_function(const TFunc &fn, QByteArrayList &injectables) {
+	return fn_info<TFunc>::pack(fn, injectables);
+}
+
+
 }
 }
 

src/mvvmcore/serviceregistry.cpp

@@ -19,7 +19,7 @@ ServiceRegistry *ServiceRegistry::instance()
 
 void ServiceRegistry::registerService(const QByteArray &iid, const QMetaObject *metaObject)
 {
-
+	//TODO create function with injectables and pass to other overload
 }
 
 void ServiceRegistry::registerService(const QByteArray &iid, const std::function<QObject *(const QVariantList &)> &fn, QByteArrayList injectables)

src/mvvmcore/serviceregistry.h

@@ -4,6 +4,7 @@
 #include <functional>
 
 #include <QtCore/qscopedpointer.h>
+#include <QtCore/qvariant.h>
 
 #include "QtMvvmCore/qtmvvmcore_global.h"
 
@@ -18,17 +19,17 @@ public:
 	static ServiceRegistry* instance();
 
 	template <typename TInterface, typename TService>
-	void registerService();
-	template <typename TInterface, typename TService, typename... Injectables>
-	void registerService(const std::function<TService*(Injectables...)> &fn);
+	void registerInterface();
+	template <typename TInterface, typename TService, typename TFunc>
+	void registerInterface(const TFunc &fn);
 	template <typename TInterface, typename TService>
-	void registerService(TService *service);
+	void registerInterface(TService *service);
 	template <typename TService>
-	void registerService();
-	template <typename TService, typename... Injectables>
-	void registerService(const std::function<TService*(Injectables...)> &fn);
+	void registerObject();
+	template <typename TService, typename TFunc>
+	void registerObject(const TFunc &fn);
 	template <typename TService>
-	void registerService(TService *service);
+	void registerObject(TService *service);
 
 	void registerService(const QByteArray &iid,
 						 const QMetaObject *metaObject);
@@ -40,6 +41,68 @@ private:
 	QScopedPointer<ServiceRegistryPrivate> d;
 };
 
+#define QTMVVM_SERVICE_ASSERT(tint, tsvc) \
+	static_assert(__helpertypes::is_valid_interface<TInterface, TService>::value, "TService must implement the given TInterface interface and be a qobject class"); \
+	Q_ASSERT_X(qobject_interface_iid<TInterface*>(), Q_FUNC_INFO, "TInterface must be registered with Q_DECLARE_INTERFACE");
+
+template<typename TInterface, typename TService>
+void ServiceRegistry::registerInterface()
+{
+	QTMVVM_SERVICE_ASSERT(TInterface, TService)
+	registerService(qobject_interface_iid<TInterface*>(), &TService::staticMetaObject);
+}
+
+template <typename TInterface, typename TService, typename TFunc>
+void ServiceRegistry::registerInterface(const TFunc &fn)
+{
+	QTMVVM_SERVICE_ASSERT(TInterface, TService)
+	QByteArrayList injectables;
+	auto packed_fn = __helpertypes::pack_function(fn, injectables);
+	registerService(qobject_interface_iid<TInterface*>(), packed_fn, injectables);
+}
+
+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* {
+		Q_UNUSED(params);
+		return service;
+	}, QByteArrayList());
+}
+
+#undef QTMVVM_SERVICE_ASSERT
+#define QTMVVM_SERVICE_ASSERT(tsvc) \
+	static_assert(__helpertypes::is_qobj<tsvc>::value, "TService must be a qobject class");
+
+template<typename TService>
+void ServiceRegistry::registerObject()
+{
+	QTMVVM_SERVICE_ASSERT(TService)
+	registerService(__helpertypes::qobject_iid<TService*>(), &TService::staticMetaObject);
+}
+
+template<typename TService, typename TFunc>
+void ServiceRegistry::registerObject(const TFunc &fn)
+{
+	QTMVVM_SERVICE_ASSERT(TService)
+	QByteArrayList injectables;
+	auto packed_fn = __helpertypes::pack_function(fn, injectables);
+	registerService(__helpertypes::qobject_iid<TService*>(), packed_fn, injectables);
+}
+
+template<typename TService>
+void ServiceRegistry::registerObject(TService *service)
+{
+	QTMVVM_SERVICE_ASSERT(TService)
+	registerService(__helpertypes::qobject_iid<TService*>(), [service](const QVariantList &params) -> QObject* {
+		Q_UNUSED(params);
+		return service;
+	}, QByteArrayList());
+}
+
+#undef QTMVVM_SERVICE_ASSERT
+
 }
 
 #endif // QTMVVM_SERVICEREGISTRY_H

src/mvvmquick/qtmvvmquick_global.h

@@ -3,7 +3,7 @@
 
 #include <QtCore/qglobal.h>
 
-#if defined(QT_BUILD_MVVM_LIB)
+#if defined(QT_BUILD_MVVMQUICK_LIB)
 #	define Q_MVVMQUICK_EXPORT Q_DECL_EXPORT
 #else
 #	define Q_MVVMQUICK_EXPORT Q_DECL_IMPORT

src/mvvmwidgets/qtmvvmwidgets_global.h

@@ -3,7 +3,7 @@
 
 #include <QtCore/qglobal.h>
 
-#if defined(QT_BUILD_MVVM_LIB)
+#if defined(QT_BUILD_MVVMWIDGETS_LIB)
 #	define Q_MVVMWIDGETS_EXPORT Q_DECL_EXPORT
 #else
 #	define Q_MVVMWIDGETS_EXPORT Q_DECL_IMPORT