(function() {
  var EventEmitter, PushTransfer,
    __hasProp = {}.hasOwnProperty,
    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

  EventEmitter = require('events').EventEmitter;

  PushTransfer = (function(_super) {
    __extends(PushTransfer, _super);

    function PushTransfer() {
      this._stack = [];
      this.stats = {
        bytesTransferred: 0
      };
    }

    PushTransfer.prototype.cancel = function() {
      return this.emit('cancel');
    };

    PushTransfer.prototype.push = function(byteCount) {
      return this._stack.push(byteCount);
    };

    PushTransfer.prototype.pop = function() {
      var byteCount;
      byteCount = this._stack.pop();
      this.stats.bytesTransferred += byteCount;
      return this.emit('progress', this.stats);
    };

    PushTransfer.prototype.end = function() {
      return this.emit('end');
    };

    return PushTransfer;

  })(EventEmitter);

  module.exports = PushTransfer;

}).call(this);