jacobprudhomme / moodle-tinymce_recordrtc

M.tinymce_recordrtc = M.tinymce_recordrtc || {};

// Extract plugin settings to params hash.

(function() {

    var params = {};

    var r = /([^&=]+)=?([^&]*)/g;

    var d = function(s) {

        return window.decodeURIComponent(s.replace(/\+/g, ' '));

    };

    var search = window.location.search;

    var match = r.exec(search.substring(1));

    while (match) {

        params[d(match[1])] = d(match[2]);

        if (d(match[2]) === 'true' || d(match[2]) === 'false') {

            params[d(match[1])] = d(match[2]) === 'true' ? true : false;

        }

        match = r.exec(search.substring(1));

    }

    window.params = params;

})();

// Initialize some variables.

var alertWarning = null;

var alertDanger = null;

var mediaRecorder = null;

var player = null;

var playerDOM = null;

var recType = null;

var startStopBtn = null;

var uploadBtn = null;

// A helper for making a Moodle alert appear.

// Subject is the content of the alert (which error ther alert is for).

// Possibility to add on-alert-close event.

M.tinymce_recordrtc.show_alert = function(subject, onCloseEvent) {

    Y.use('moodle-core-notification-alert', function() {

        var dialogue = new M.core.alert({

            title: M.util.get_string(subject + '_title', 'tinymce_recordrtc'),

            message: M.util.get_string(subject, 'tinymce_recordrtc')

        });

        if (onCloseEvent) {

            dialogue.after('complete', onCloseEvent);

        }

    });

};

// Notify and redirect user if plugin is used from insecure location.

M.tinymce_recordrtc.check_secure = function() {

    var isSecureOrigin = (window.location.protocol === 'https:') ||

                         (window.location.host.indexOf('localhost') !== -1);

    if (!isSecureOrigin) {

        alertDanger.ancestor().ancestor().removeClass('hide');

    }

};

// Display "consider switching browsers" message if not using:

// - Firefox 29+;

// - Chrome 49+;

// - Opera 36+.

M.tinymce_recordrtc.check_browser = function() {

    if (!((window.bowser.firefox && window.bowser.version >= 29) ||

          (window.bowser.chrome && window.bowser.version >= 49) ||

          (window.bowser.opera && window.bowser.version >= 36))) {

        alertWarning.ancestor().ancestor().removeClass('hide');

    }

};

// Capture webcam/microphone stream.

M.tinymce_recordrtc.capture_user_media = function(mediaConstraints, successCallback, errorCallback) {

    window.navigator.mediaDevices.getUserMedia(mediaConstraints).then(successCallback).catch(errorCallback);

};

// Generates link to recorded annotation to be inserted.

M.tinymce_recordrtc.create_annotation = function(type, recording_url) {

    var linkText = window.prompt(M.util.get_string('annotationprompt', 'tinymce_recordrtc'),

                                 M.util.get_string('annotation:' + type, 'tinymce_recordrtc'));

    // Return HTML for annotation link, if user did not press "Cancel".

    if (!linkText) {

        return undefined;

    } else {

        var annotation = '<div><a target="_blank" href="' + recording_url + '">' + linkText + '</a></div>';

        return annotation;

    }

};

// Inserts link to annotation in editor text area.

M.tinymce_recordrtc.insert_annotation = function(type, recording_url) {

    var annotation = M.tinymce_recordrtc.create_annotation(type, recording_url);

    // Insert annotation link.

    // If user pressed "Cancel", just go back to main recording screen.

    if (!annotation) {

        uploadBtn.set('textContent', M.util.get_string('attachrecording', 'tinymce_recordrtc'));

    } else {

        tinyMCEPopup.editor.execCommand('mceInsertContent', false, annotation);

        tinyMCEPopup.close();

    }

};