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65 lines
1.7 KiB
65 lines
1.7 KiB
<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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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 = 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, 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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