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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| <?php | ||
| // This file is part of Moodle - http://moodle.org/ | ||
| // | ||
| // Moodle is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Moodle 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 General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with Moodle. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| /** | ||
| * H5P autoloader management class. | ||
| * | ||
| * @package core_h5p | ||
| * @copyright 2019 Sara Arjona <[email protected]> | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
|
|
||
| namespace core_h5p\local\library; | ||
|
|
||
| defined('MOODLE_INTERNAL') || die(); | ||
|
|
||
| /** | ||
| * H5P autoloader management class. | ||
| * | ||
| * @package core_h5p | ||
| * @copyright 2019 Sara Arjona <[email protected]> | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
| class autoloader { | ||
|
|
||
| /** | ||
| * Returns the list of plugins that can work as H5P library handlers (have class PLUGINNAME\local\library\handler) | ||
| * @return array with the format: pluginname => class | ||
| */ | ||
| public static function get_all_handlers(): array { | ||
| $handlers = []; | ||
| foreach (\core_component::get_plugin_types() as $ptype => $unused) { | ||
| $plugins = \core_component::get_plugin_list_with_class($ptype, 'local\library\handler') + | ||
| \core_component::get_plugin_list_with_class($ptype, 'local_library_handler'); | ||
| // Allow plugins to have the class either with namespace or without (useful for unittest). | ||
| foreach ($plugins as $pname => $class) { | ||
| $handlers[$pname] = $class; | ||
| } | ||
| } | ||
|
|
||
| return $handlers; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the default H5P library handler. | ||
| * @return string|null H5P library handler class | ||
| */ | ||
| public static function get_default_handler(): ?string { | ||
| $default = null; | ||
| $handlers = self::get_all_handlers(); | ||
| if (!empty($handlers)) { | ||
| // The default handler will be the first in the list. | ||
| $default = array_shift($handlers); | ||
| } | ||
|
|
||
| return $default; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the current H5P library handler class. | ||
| * | ||
| * @return string H5P library handler class | ||
| * @throws \moodle_exception | ||
| */ | ||
| public static function get_handler_classname(): string { | ||
| global $CFG; | ||
|
|
||
| $handlers = self::get_all_handlers(); | ||
| if (!empty($CFG->h5plibraryhandler)) { | ||
| if (isset($handlers[$CFG->h5plibraryhandler])) { | ||
| return $handlers[$CFG->h5plibraryhandler]; | ||
| } | ||
| } | ||
|
|
||
| // If no handler has been defined or it doesn't exist, return the default one. | ||
| $defaulthandler = self::get_default_handler(); | ||
| if (empty($defaulthandler)) { | ||
| // If there is no default handler, throw an exception. | ||
| throw new \moodle_exception('noh5plibhandlerdefined', 'core_h5p'); | ||
| } | ||
|
|
||
| return $defaulthandler; | ||
| } | ||
|
|
||
| /** | ||
| * Get the current version of the H5P core library. | ||
| * | ||
| * @return string | ||
| */ | ||
| public static function get_h5p_version(): string { | ||
| return component_class_callback(self::get_handler_classname(), 'get_h5p_version', []); | ||
| } | ||
|
|
||
| /** | ||
| * Get a URL for the current H5P Core Library. | ||
| * | ||
| * @param string $filepath The path within the h5p root | ||
| * @param array $params these params override current params or add new | ||
| * @return null|moodle_url | ||
| */ | ||
| public static function get_h5p_core_library_url(?string $filepath = null, ?array $params = null): ?\moodle_url { | ||
| return component_class_callback(self::get_handler_classname(), 'get_h5p_core_library_url', [$filepath, $params]); | ||
| } | ||
|
|
||
| /** | ||
| * Register the H5P autoloader. | ||
| */ | ||
| public static function register(): void { | ||
| component_class_callback(self::get_handler_classname(), 'register', []); | ||
| } | ||
| } |
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