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examples/demoserver/u2f-api.js  view on Meta::CPAN

u2f.waitingForPort_ = [];

/**
 * A counter for requestIds.
 * @type {number}
 * @private
 */
u2f.reqCounter_ = 0;

/**
 * A map from requestIds to client callbacks
 * @type {Object.<number,(function((u2f.Error|u2f.RegisterResponse))
 *                       |function((u2f.Error|u2f.SignResponse)))>}
 * @private
 */
u2f.callbackMap_ = {};

/**
 * Creates or retrieves the MessagePort singleton to use.
 * @param {function((MessagePort|u2f.WrappedChromeRuntimePort_))} callback
 * @private

examples/demoserver/u2f-api.js  view on Meta::CPAN

u2f.getPortSingleton_ = function(callback) {
  if (u2f.port_) {
    callback(u2f.port_);
  } else {
    if (u2f.waitingForPort_.length == 0) {
      u2f.getMessagePort(function(port) {
        u2f.port_ = port;
        u2f.port_.addEventListener('message',
            /** @type {function(Event)} */ (u2f.responseHandler_));

        // Careful, here be async callbacks. Maybe.
        while (u2f.waitingForPort_.length)
          u2f.waitingForPort_.shift()(u2f.port_);
      });
    }
    u2f.waitingForPort_.push(callback);
  }
};

/**
 * Handles response messages from the extension.