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annotate nodejs/observer.cc @ 671:fc29a343ce7c

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Track JS object with property store of objects
author Thinker K.F. Li <thinker@branda.to>
date Thu, 05 Aug 2010 17:43:33 +0800
parents 62c2de99b03a
children c643af2095c5
rev   line source
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1 #include <v8.h>
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2 #include "mbfly_njs.h"
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3
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4 extern "C" {
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5 #include <mb.h>
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6 #include <string.h>
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7 }
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8
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9 #ifndef ASSERT
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10 #define ASSERT(x)
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11 #endif
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12
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13 using namespace v8;
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14
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15 struct xnjsmb_observer_data {
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16 Persistent<Function> func;
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17 };
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18
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19 static void
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20 event_handler(event_t *evt, void *arg);
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21
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22 static observer_t *
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23 _subject_add_event_observer(subject_t *subject, int type,
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24 Handle<Function> func) {
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25 observer_t *observer;
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26 xnjsmb_observer_data *data;
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27
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28 data = new xnjsmb_observer_data;
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29 if(data == NULL)
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30 return NULL;
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31 data->func = Persistent<Function>::New(func);
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32 observer = subject_add_event_observer(subject, type,
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33 event_handler,
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34 data);
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35
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36 return observer;
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37 }
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38
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39 static void
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40 _subject_remove_observer(subject_t *subject, observer_t *observer) {
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41 xnjsmb_observer_data *data;
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42
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43 subject_remove_observer(subject, observer);
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44 data = (xnjsmb_observer_data *)observer->arg;
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45 delete data;
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46 }
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47
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48 /* This is the part of the code generated by gen_v8_binding.m4 */
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49 #include "observer-inc.h"
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50
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51 static void
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52 event_handler(event_t *evt, void *arg) {
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53 xnjsmb_observer_data *data = (xnjsmb_observer_data *)arg;
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54 Handle<Value> evt_obj;
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55 Handle<Value> func_args[1];
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56
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57 evt_obj = xnjsmb_auto_event_new(evt);
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58 ASSERT(!evt_obj.IsEmpty());
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59 func_args[0] = evt_obj;
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60 data->func->Call(Context::GetCurrent()->Global(), 1, func_args);
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61 }
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62
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63 void
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64 xnjsmb_observer_init(void) {
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65 xnjsmb_auto_observer_init();
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66 xnjsmb_auto_subject_init();
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67 xnjsmb_auto_event_init();
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68 }