jacobprudhomme / moodle-tinymce_recordrtc

 * TinyMCE plugin RecordRTC - provides UI to annotate the content in the text editor with a WebRTC recording.

 *

 * @package    tinymce_recordrtc

 * @author     Jesus Federico  (jesus [at] blindsidenetworks [dt] com)

 * @author     Jacob Prud'homme (jacob [dt] prudhomme [at] blindsidenetworks [dt] com)

 * @copyright  2016 onwards, Blindside Networks Inc.

 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

// ESLint directives.

/* global tinyMCE */

/* eslint-disable camelcase */

// Scrutinizer CI directives.

/** global: M */

/** global: tinyMCE */

function addForceRepaint(ed) {

    ed.addCommand('mceForceRepaint', function() {

        var root = ed.dom.getRoot(),

            items = root.getElementsByTagName("img");

        for (var i = 0; i < items.length; i++) {

            var src = items[i].getAttribute('src').replace(/\?\d+$/, '');

            items[i].setAttribute('src', src + '?' + (new Date().getTime()));

        }

        ed.execCommand('mceRepaint');

        ed.focus();

    });

}

function addMaximizeWindow(ed) {

    ed.addCommand('mceMaximizeWindow', function(w) {

        // This function duplicates the TinyMCE windowManager code when 'maximize' button is pressed.

        var vp = ed.dom.getViewPort(),

            id = w.id;

        // Reduce viewport size to avoid scrollbars.

        vp.w -= 2;

        vp.h -= 2;

        w.oldPos = w.element.getXY();

        w.oldSize = w.element.getSize();

        w.element.moveTo(vp.x, vp.y);

        w.element.resizeTo(vp.w, vp.h);

        ed.dom.setStyles(id + '_ifr', {width: vp.w - w.deltaWidth, height: vp.h - w.deltaHeight});

        ed.dom.addClass(id + '_wrapper', 'mceMaximized');

    });

}

function addAudio(ed, url) {

    ed.addCommand('mceAudioRTC', function() {

        var audiortc = ed.getParam('audiortc', {});

        var viewparams = '';

        window.Object.keys(audiortc).forEach(function(key) {

            viewparams += (viewparams !== '' ? '&' : '') + window.encodeURIComponent(key);

            viewparams += '=' + window.encodeURIComponent(audiortc[key]);

        });

        var viewurl = ed.getParam("moodle_plugin_base") + 'recordrtc/audiortc.php';

        viewurl += (viewparams != '' ? '?' + viewparams : '');

        var onClose = function() {

            ed.windowManager.onClose.remove(onClose);

            ed.execCommand('mceForceRepaint');

        };

        ed.windowManager.onClose.add(onClose);

        var vp = ed.dom.getViewPort(),

            baseWidth = 640 + window.parseInt(ed.getLang('advimage.delta_width', 0)),

            percentOfViewportWidth = vp.w * 0.75,

            width = percentOfViewportWidth > baseWidth ? percentOfViewportWidth : baseWidth,

            height = 340 + window.parseInt(ed.getLang('advimage.delta_width', 0)),

            maximizedmode = (width >= vp.w - 2 || height >= vp.h - 2);

        if (maximizedmode) {

            width = vp.w;

            height = vp.h;

        }

        var w = ed.windowManager.open({

            file: viewurl,

            width: width,

            height: height,

            inline: 1,

            popup_css: ed.getParam("moodle_plugin_base") + 'recordrtc/tinymce/css/popup.css'

        }, {

            plugin_url: url // Plugin absolute URL.

        });

        if (maximizedmode) {

            ed.execCommand('mceMaximizeWindow', w);

        }

    });

    // Register AudioRTC button.

    ed.addButton('audiortc', {

        title: 'recordrtc.audiortc',

        cmd: 'mceAudioRTC',

        image: url + '/img/audiortc.png'

    });

}

(function() {

    tinyMCE.PluginManager.requireLangPack('recordrtc');

    tinyMCE.create('tinymce.plugins.RecordRTC', {

        /**

         * Initializes the plugin, this will be executed after the plugin has been created.

         * This call is done before the editor instance has finished it's initialization so use the onInit event

         * of the editor instance to intercept that event.

         *

         * @param {tinyMCE.Editor} ed Editor instance that the plugin is initialized in.

         * @param {string} url Absolute URL to where the plugin is located.

         */

        init: function(ed, url) {

            // Add commands to the editor.

            addForceRepaint(ed);

            addMaximizeWindow(ed);

            if (M.editor_tinymce.filepicker_options[ed.id] &&

                M.editor_tinymce.filepicker_options[ed.id].hasOwnProperty('media')) {

                addAudio(ed, url);

                addVideo(ed, url);

            }

        },

        createControl: function() {

            return null;

        },

        /**

         * Returns information about the plugin as a name/value array.

         * The current keys are longname, author, authorurl, infourl and version.

         *

         * @return {Object} Name/value array containing information about the plugin.

         */

        getInfo: function() {

            return {

                longname: 'Moodle TinyMCE RecordRTC plugin',

                author: 'Jesus Federico',

                infourl: 'http://blindsidenetworks.com',

                version: "1.0"

            };

        },

    });

    // Register plugin.

    tinyMCE.PluginManager.add('recordrtc', tinyMCE.plugins.RecordRTC);

})();