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comparison Framework/Messages/IObservable.h @ 403:99e31898910e

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IObservable.cpp
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sun, 11 Nov 2018 12:13:31 +0100
parents e7a494bdd956
children 751fb354149e b70e9be013e4
comparison
equal deleted inserted replaced
402:72355b637945 403:99e31898910e
46 IObservable(MessageBroker& broker) : 46 IObservable(MessageBroker& broker) :
47 broker_(broker) 47 broker_(broker)
48 { 48 {
49 } 49 }
50 50
51 virtual ~IObservable() 51 virtual ~IObservable();
52 {
53 // delete all callables (this will also unregister them from the broker)
54 for (Callables::const_iterator it = callables_.begin();
55 it != callables_.end(); ++it)
56 {
57 for (std::set<ICallable*>::const_iterator
58 it2 = it->second.begin(); it2 != it->second.end(); ++it2)
59 {
60 delete *it2;
61 }
62 }
63
64 // unregister the forwarders but don't delete them (they'll be deleted by the observable they are observing as any other callable)
65 for (Forwarders::iterator it = forwarders_.begin();
66 it != forwarders_.end(); ++it)
67 {
68 IMessageForwarder* fw = *it;
69 broker_.Unregister(dynamic_cast<IObserver&>(*fw));
70 }
71 }
72
73 void RegisterObserverCallback(ICallable* callable)
74 {
75 MessageType messageType = callable->GetMessageType();
76
77 callables_[messageType].insert(callable);
78 }
79
80 void EmitMessage(const IMessage& message)
81 {
82 Callables::const_iterator found = callables_.find(message.GetType());
83
84 if (found != callables_.end())
85 {
86 for (std::set<ICallable*>::const_iterator
87 it = found->second.begin(); it != found->second.end(); ++it)
88 {
89 if (broker_.IsActive((*it)->GetObserver()))
90 {
91 (*it)->Apply(message);
92 }
93 }
94 }
95 }
96
97 void RegisterForwarder(IMessageForwarder* forwarder)
98 {
99 forwarders_.insert(forwarder);
100 }
101 52
102 MessageBroker& GetBroker() const 53 MessageBroker& GetBroker() const
103 { 54 {
104 return broker_; 55 return broker_;
105 } 56 }
57
58 // Takes ownsership
59 void RegisterObserverCallback(ICallable* callable);
60
61 void EmitMessage(const IMessage& message);
62
63 // Takes ownsership
64 void RegisterForwarder(IMessageForwarder* forwarder);
106 }; 65 };
107 } 66 }