/*
 * ISC License
 *
 * Copyright (c) 2024 idnovate.com
 * idnovate is a Registered Trademark & Property of idnovate.com, innovación y desarrollo SCP
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 *
 * @author    idnovate
 * @copyright 2024 idnovate
 * @license   https://www.isc.org/licenses/ https://opensource.org/licenses/ISC ISC License
 */

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"))
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror"], mod)
  else // Plain browser env
    mod(CodeMirror)
})(function(CodeMirror) {
  "use strict"

  CodeMirror.defineOption("autoRefresh", false, function(cm, val) {
    if (cm.state.autoRefresh) {
      stopListening(cm, cm.state.autoRefresh)
      cm.state.autoRefresh = null
    }
    if (val && cm.display.wrapper.offsetHeight == 0)
      startListening(cm, cm.state.autoRefresh = {delay: val.delay || 250})
  })

  function startListening(cm, state) {
    function check() {
      if (cm.display.wrapper.offsetHeight) {
        stopListening(cm, state)
        if (cm.display.lastWrapHeight != cm.display.wrapper.clientHeight)
          cm.refresh()
      } else {
        state.timeout = setTimeout(check, state.delay)
      }
    }
    state.timeout = setTimeout(check, state.delay)
    state.hurry = function() {
      clearTimeout(state.timeout)
      state.timeout = setTimeout(check, 50)
    }
    CodeMirror.on(window, "mouseup", state.hurry)
    CodeMirror.on(window, "keyup", state.hurry)
  }

  function stopListening(_cm, state) {
    clearTimeout(state.timeout)
    CodeMirror.off(window, "mouseup", state.hurry)
    CodeMirror.off(window, "keyup", state.hurry)
  }
});