vkopt_chromecast.user.js

// ==UserScript==
// @id             chromecast@vkopt
// @name           Chromecast для VkOpt
// @version        1.0
// @namespace      https://greasyfork.org/users/23
// @author         Pmmlabs@github
// @description    Плагин Chromecast для VkOpt
// @include        *vk.com*
// @run-at         document-end
// @noframes
// @grant none
// ==/UserScript==

if (!window.vkopt_plugins) vkopt_plugins = {};
(function () {
    var PLUGIN_ID = 'chromecast';

    vkopt_plugins[PLUGIN_ID] = {
        onError: function () {
            topMsg('<b>Chromcast error</b>', 2, '#FFB4A3');
        },
        cast: function (url) {
            chrome.cast.requestSession(function (session) {
                var mediaInfo = new chrome.cast.media.MediaInfo(url);
                mediaInfo.contentType = 'video/mp4';
//              mediaInfo.contentType = 'audio/mpeg';
//              mediaInfo.contentType = 'image/jpeg';
                var request = new chrome.cast.media.LoadRequest(mediaInfo);
                request.autoplay = true;
                session.loadMedia(request, function () {
                }, vkopt_plugins[PLUGIN_ID].onError);
            }, vkopt_plugins[PLUGIN_ID].onError);
        },
        init: function() {
            AjCrossAttachJS('https://www.gstatic.com/cv/js/sender/v1/cast_sender.js', 'chromecast');
        },
        vidActLinks: function (video_data, links_array) {
            var best_url = links_array[links_array.length-1];
            
            window['__onGCastApiAvailable'] = function (loaded, errorInfo) {
                if (loaded) {
                    var applicationID = chrome.cast.media.DEFAULT_MEDIA_RECEIVER_APP_ID;
                    var sessionRequest = new chrome.cast.SessionRequest(applicationID);
                    var apiConfig = new chrome.cast.ApiConfig(sessionRequest, function () {
                    }, function () {
                    });
                    chrome.cast.initialize(apiConfig,
                        function (message) {
                            //document.getElementById('castButton').disabled = false;
                        }, vkopt_plugins[PLUGIN_ID].onError);
                }
            };
            return '<a onclick="vkopt_plugins[\''+PLUGIN_ID+'\'].cast(\''+best_url+'\')">Chromecast</a>';
        }
    };
    if (window.vkopt_ready) vkopt_plugin_run(PLUGIN_ID);
})();