51 lines
1.1 KiB
PHP
51 lines
1.1 KiB
PHP
<?php
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/**
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* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Hooks;
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/**
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* Class ForwardingEmitter
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*
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* allows forwarding all listen calls to other emitters
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*
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* @package OC\Hooks
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*/
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abstract class ForwardingEmitter extends BasicEmitter {
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/**
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* @var \OC\Hooks\Emitter[] array
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*/
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private $forwardEmitters = array();
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/**
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* @param string $scope
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* @param string $method
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* @param callable $callback
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*/
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public function listen($scope, $method, $callback) {
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parent::listen($scope, $method, $callback);
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foreach ($this->forwardEmitters as $emitter) {
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$emitter->listen($scope, $method, $callback);
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}
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}
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/**
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* @param \OC\Hooks\Emitter $emitter
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*/
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protected function forward($emitter) {
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$this->forwardEmitters[] = $emitter;
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//forward all previously connected hooks
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foreach ($this->listeners as $key => $listeners) {
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list($scope, $method) = explode('::', $key, 2);
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foreach ($listeners as $listener) {
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$emitter->listen($scope, $method, $listener);
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}
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}
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}
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}
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