X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Feventdispatcher.cpp;fp=source%2Fio%2Feventdispatcher.cpp;h=06a594f76d397165789940184f7c1a8d0ab65771;hp=0000000000000000000000000000000000000000;hb=6e0fd758970bcb5bad5e3f2454b694cc4d7b4b66;hpb=b97d4e9f86e90254ab9edef7ee62a910f6333c78

diff --git a/source/io/eventdispatcher.cpp b/source/io/eventdispatcher.cpp
new file mode 100644
index 0000000..06a594f
--- /dev/null
+++ b/source/io/eventdispatcher.cpp
@@ -0,0 +1,75 @@
+#include <msp/time/units.h>
+#include "base.h"
+#include "eventdispatcher.h"
+#include "poll.h"
+
+namespace Msp {
+namespace IO {
+
+EventDispatcher::EventDispatcher()
+{ }
+
+void EventDispatcher::add(Base &obj)
+{
+	SlotMap::iterator i = objects.find(&obj);
+	if(i==objects.end())
+	{
+		i = objects.insert(SlotMap::value_type(&obj, Slot(&obj))).first;
+		i->second.evch_conn = obj.signal_events_changed.connect(sigc::bind(sigc::mem_fun(this, &EventDispatcher::object_events_changed), &obj));
+		i->second.del_conn = obj.signal_deleted.connect(sigc::bind(sigc::mem_fun(this, &EventDispatcher::object_deleted), &obj));
+
+		if(obj.get_events())
+			poller.set_object(obj, obj.get_events());
+	}
+}
+
+void EventDispatcher::remove(Base &obj)
+{
+	SlotMap::iterator i = objects.find(&obj);
+	if(i!=objects.end())
+	{
+		i->second.evch_conn.disconnect();
+		i->second.del_conn.disconnect();
+		objects.erase(i);
+
+		poller.set_object(obj, P_NONE);
+	}
+}
+
+void EventDispatcher::tick()
+{
+	if(objects.empty())
+		return;
+
+	if(poller.poll()>0)
+		dispatch();
+}
+
+void EventDispatcher::tick(const Time::TimeDelta &dt)
+{
+	if(objects.empty())
+		return;
+
+	if(poller.poll(dt)>0)
+		dispatch();
+}
+
+void EventDispatcher::object_events_changed(PollEvent ev, Base *obj)
+{
+	poller.set_object(*obj, ev);
+}
+
+void EventDispatcher::object_deleted(Base *obj)
+{
+	remove(*obj);
+}
+
+void EventDispatcher::dispatch()
+{
+	const Poller::SlotSeq &result = poller.get_result();
+	for(Poller::SlotSeq::const_iterator i=result.begin(); i!=result.end(); ++i)
+		i->object->event(i->events);
+}
+
+} // namespace IO
+} // namespace Msp