Method sendMessage

3p/iframe-messaging-client.js:118–139

* Send a postMessage to Host Window, or all parent windows if host window is * not set. * @param {string} type The type of message to send. * @param {JsonObject=} opt_payload The payload of message to send.

(type, opt_payload)

   * @param {JsonObject=} opt_payload The payload of message to send.
   */
  sendMessage(type, opt_payload) {
    const msg = serializeMessage(
      type,
      dev().assertString(this.sentinel_),
      opt_payload,
      this.rtvVersion_
    );

    if (!this.hostWindow_) {
      for (
        let j = 0, hostWin = this.win_;
        j < 10 && hostWin != this.win_.top;
        j++
      ) {
        hostWin = hostWin.parent;
        this.sendMessageInternal_(hostWin, msg);
        j++;
      }
    } else {
      this.sendMessageInternal_(this.hostWindow_, msg);
    }
  }

  /**
   * @param {!Window} win