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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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namespace core_h5p\output;
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use plugin_renderer_base;
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/**
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 * Renderer class.
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 *
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 * @package    core_h5p
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 * @copyright  2020 Victor Deniz {victor@moodle.com}
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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class renderer extends plugin_renderer_base {
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    /**
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     * Alter which stylesheets are loaded for H5P.
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     * This is useful for adding custom styles or replacing existing ones.
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     *
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     * This method can be overridden by other themes if the styles must be loaded from
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     * a different place than the "Raw initial SCSS" and "Raw SCSS" theme settings.
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     *
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     * @param \stdClass[] $styles List of stylesheets that will be loaded
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     * @param array $libraries Array of libraries indexed by the library's machineName
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     * @param string $embedtype Possible values: div, iframe, external, editor
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     */
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    public function h5p_alter_styles(&$styles, array $libraries, string $embedtype) {
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        $customcss = \core_h5p\file_storage::get_custom_styles();
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        if (!empty($customcss)) {
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            // Add the CSS file to the styles array, to load it from the H5P player.
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            $styles[] = (object) [
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                'path' => $customcss['cssurl']->out(),
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                'version' => '?ver='.$customcss['cssversion'],
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            ];
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        }
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    }
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    /**
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     * Alter which scripts are loaded for H5P.
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     * This is useful for adding custom scripts or replacing existing ones.
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     *
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     * @param array|object $scripts List of JavaScripts that will be loaded
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     * @param array $libraries Array of libraries indexed by the library's machineName
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     * @param string $embedtype Possible values: div, iframe, external, editor
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     */
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    public function h5p_alter_scripts(&$scripts, array $libraries, string $embedtype) {
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    }
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    /**
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     * Alter semantics before they are processed. This is useful for changing
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     * how the editor looks and how content parameters are filtered.
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     *
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     * @param object|object $semantics Semantics as object
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     * @param string $name Machine name of library
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     * @param int $majorversion Major version of library
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     * @param int $minorversion Minor version of library
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     */
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    public function h5p_alter_semantics(&$semantics, $name, $majorversion, $minorversion) {
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    }
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    /**
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     * Alter parameters of H5P content after it has been filtered through semantics.
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     * This is useful for adapting the content to the current context.
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     *
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     * @param array|object $parameters The content parameters for the library
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     * @param string $name The machine readable name of the library
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     * @param int $majorversion Major version of the library
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     * @param int $minorversion Minor version of the library
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     */
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    public function h5p_alter_filtered_parameters(&$parameters, string $name, int $majorversion, int $minorversion) {
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    }
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}