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elgg.provide('elgg.config.events');
/**
*
*/
elgg.register_event_handler = function(event_name, event_type, handler, priority) {
elgg.assertTypeOf('string', event_name);
elgg.assertTypeOf('string', event_type);
elgg.assertTypeOf('function', handler);
if (!event_name || !event_type) {
return false;
}
var events = elgg.config.events;
elgg.provide(event_name + '.' + event_type, events);
if (!(events[event_name][event_type] instanceof elgg.ElggPriorityList)) {
events[event_name][event_type] = new elgg.ElggPriorityList();
}
return events[event_name][event_type].insert(handler, priority);
};
/**
*
*/
elgg.trigger_event = function(event_name, event_type, opt_object) {
elgg.assertTypeOf('string', event_name);
elgg.assertTypeOf('string', event_type);
var events = elgg.config.events,
callEventHandler = function(handler) {
return handler(event_name, event_type, opt_object) !== false;
};
elgg.provide(event_name + '.' + event_type, events);
elgg.provide('all.' + event_type, events);
elgg.provide(event_name + '.all', events);
elgg.provide('all.all', events);
return [
events[event_name][event_type],
events['all'][event_type],
events[event_name]['all'],
events['all']['all']
].every(function(handlers) {
return !(handlers instanceof elgg.ElggPriorityList) || handlers.every(callEventHandler);
});
};
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