67 lines
1.8 KiB
PHP
67 lines
1.8 KiB
PHP
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<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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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 = [];
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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, callable $callback) {
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parent::listen($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 $emitter) {
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$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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