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comparison src/observer.c @ 202:75ec0124202a

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Commit merged between 200 and 201
author wycc@wycc-desktop
date Tue, 09 Dec 2008 23:34:05 +0800
parents f9d507a3e1d9 45d9a1e2764d
children 748896358da2
comparison
equal deleted inserted replaced
201:31933f9ee70e 202:75ec0124202a
49 49
50 50
51 void subject_notify(subject_t *subject, event_t *evt) { 51 void subject_notify(subject_t *subject, event_t *evt) {
52 ob_factory_t *factory = subject->factory; 52 ob_factory_t *factory = subject->factory;
53 observer_t *observer; 53 observer_t *observer;
54 subject_t *old_subject;
54 55
55 evt->tgt = subject; 56 evt->tgt = subject;
56 while(subject) { 57 while(subject) {
57 /*! 58 /*!
58 * \note What is happend when the subject is freed by observer? 59 * \note What is happend when the subject is freed by observer?
68 if (observer->type == EVT_ANY || observer->type == evt->type) 69 if (observer->type == EVT_ANY || observer->type == evt->type)
69 observer->hdr(evt, observer->arg); 70 observer->hdr(evt, observer->arg);
70 } 71 }
71 72
72 subject->flags &= ~SUBF_BUSY; 73 subject->flags &= ~SUBF_BUSY;
73 if(subject->flags & SUBF_FREE) 74
74 subject_free(subject); 75 old_subject = subject;
75 76 subject = factory->get_parent_subject(factory, subject);
76 if(subject->flags & SUBF_STOP_PROPAGATE) 77
78 if(old_subject->flags & SUBF_FREE)
79 subject_free(old_subject);
80
81 if(old_subject->flags & SUBF_STOP_PROPAGATE)
77 break; 82 break;
78
79 subject = factory->get_parent_subject(factory, subject);
80 } 83 }
81
82 } 84 }
83 85
84 observer_t *subject_add_observer(subject_t *subject, 86 observer_t *subject_add_observer(subject_t *subject,
85 evt_handler hdr, void *arg) { 87 evt_handler hdr, void *arg) {
86 ob_factory_t *factory = subject->factory; 88 ob_factory_t *factory = subject->factory;