observable<T> get_observable() const {
auto keepAlive = s;
auto observable = make_observable_dynamic<T>([=](subscriber<T> o){
if (keepAlive.get_subscription().is_subscribed()) {
for (auto&& value: get_values())
o.on_next(value);
}
keepAlive.add(keepAlive.get_subscriber(), std::move(o));
});
return s.get_coordinator().in(observable);
}
rx::observable<std::tuple<Touch*, TouchEventObservable>> touchEventObservable(Node* targetNode, std::function<bool(Touch*)> isBegan /* = nullptr */, bool isSwallow /* = shallow */) {
RefPtr<Node> sharedTarget(targetNode);
return rx::observable<>::defer(
[sharedTarget, isSwallow, isBegan] () {
auto subject = std::make_shared<rxsub::subject<std::tuple<Touch*, TouchEventObservable>>>();
auto subscriber = subject->get_subscriber();
auto listener = RefPtr<EventListenerTouchOneByOne>{EventListenerTouchOneByOne::create()};
if (isSwallow) {
listener->setSwallowTouches(isSwallow);
}
auto finalizer = Util::shared_finallizer([subject, subscriber]() {
subscriber.on_completed();
});
listener->onTouchBegan = [isBegan, listener, subscriber, finalizer, subject](Touch* t, Event*) -> bool {
if (isBegan) {
if (!isBegan(t)) {
return false;
}
}
rxsub::subject<Touch*> subj2{};
auto subscriber2 = subj2.get_subscriber();
listener->onTouchMoved = [=](Touch* t, Event*) {
subscriber2.on_next(t);
};
listener->onTouchEnded = [=](Touch* t, Event*) {
subscriber2.on_next(t);
subscriber2.on_completed();
};
listener->onTouchCancelled = [=](Touch* t, Event*) {
subscriber2.on_next(t);
subscriber2.on_completed();
};
auto ob = subj2.get_observable();
subscriber.on_next(std::make_tuple(t, ob));
return true;
};
Director::getInstance()->getEventDispatcher()->addEventListenerWithSceneGraphPriority(listener, sharedTarget.get());
return subject->get_observable()
.finally([=]() {
subscriber.unsubscribe();
Director::getInstance()->getEventDispatcher()->removeEventListener(listener);
}).as_dynamic();
}).as_dynamic();
}
observable<T> get_observable() const {
auto keepAlive = s;
return make_observable_dynamic<T>([=](subscriber<T> o) {
keepAlive.add(keepAlive.get_subscriber(), std::move(o));
});
}
