holly-packages/utilities/JSBridge.js

Packages for Holly app.

/**
 * Setup JSBridge.
 *
 * @see https://github.com/marcuswestin/WebViewJavascriptBridge
 * @see https://github.com/ElfSundae/AppComponents
 */
(function(window) {
  "use strict";

  if (!window.AgentClient || !window.AgentClient.isAppClient) {
    return;
  }

  function setupWebViewJavascriptBridge(callback) {
      if (window.WebViewJavascriptBridge) { return callback(WebViewJavascriptBridge); }
      if (window.WVJBCallbacks) { return window.WVJBCallbacks.push(callback); }
      window.WVJBCallbacks = [callback];
      var WVJBIframe = document.createElement('iframe');
      WVJBIframe.style.display = 'none';
      WVJBIframe.src = 'https://__bridge_loaded__';
      document.documentElement.appendChild(WVJBIframe);
      setTimeout(function() { document.documentElement.removeChild(WVJBIframe) }, 0)
  }

  setupWebViewJavascriptBridge(function(bridge) {
    bridge.on = bridge.registerHandler;
    bridge.send = function(data, responseCallback) {
      bridge.callHandler('default', data, responseCallback);
    };
    bridge.api = function(action, data, responseCallback) {
      bridge.send({action: action, data: data}, responseCallback);
    };

    window.JSBridge = bridge;

    if (typeof JSBridgeReady === "function") {
      JSBridgeReady(bridge);
    }
  });
})(window);