diff options
Diffstat (limited to 'lib/private/hooks/emittertrait.php')
-rw-r--r-- | lib/private/hooks/emittertrait.php | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/lib/private/hooks/emittertrait.php b/lib/private/hooks/emittertrait.php deleted file mode 100644 index 775f46f838c..00000000000 --- a/lib/private/hooks/emittertrait.php +++ /dev/null @@ -1,102 +0,0 @@ -<?php -/** - * @author Robin Appelman <icewind@owncloud.com> - * - * @copyright Copyright (c) 2016, ownCloud, Inc. - * @license AGPL-3.0 - * - * This code is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License, version 3, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License, version 3, - * along with this program. If not, see <http://www.gnu.org/licenses/> - * - */ - -namespace OC\Hooks; - -trait EmitterTrait { - - /** - * @var (callable[])[] $listeners - */ - protected $listeners = array(); - - /** - * @param string $scope - * @param string $method - * @param callable $callback - */ - public function listen($scope, $method, callable $callback) { - $eventName = $scope . '::' . $method; - if (!isset($this->listeners[$eventName])) { - $this->listeners[$eventName] = array(); - } - if (array_search($callback, $this->listeners[$eventName], true) === false) { - $this->listeners[$eventName][] = $callback; - } - } - - /** - * @param string $scope optional - * @param string $method optional - * @param callable $callback optional - */ - public function removeListener($scope = null, $method = null, callable $callback = null) { - $names = array(); - $allNames = array_keys($this->listeners); - if ($scope and $method) { - $name = $scope . '::' . $method; - if (isset($this->listeners[$name])) { - $names[] = $name; - } - } elseif ($scope) { - foreach ($allNames as $name) { - $parts = explode('::', $name, 2); - if ($parts[0] == $scope) { - $names[] = $name; - } - } - } elseif ($method) { - foreach ($allNames as $name) { - $parts = explode('::', $name, 2); - if ($parts[1] == $method) { - $names[] = $name; - } - } - } else { - $names = $allNames; - } - - foreach ($names as $name) { - if ($callback) { - $index = array_search($callback, $this->listeners[$name], true); - if ($index !== false) { - unset($this->listeners[$name][$index]); - } - } else { - $this->listeners[$name] = array(); - } - } - } - - /** - * @param string $scope - * @param string $method - * @param array $arguments optional - */ - protected function emit($scope, $method, array $arguments = array()) { - $eventName = $scope . '::' . $method; - if (isset($this->listeners[$eventName])) { - foreach ($this->listeners[$eventName] as $callback) { - call_user_func_array($callback, $arguments); - } - } - } -} |