File: public/js/tinymce/src/themes/mobile/src/main/js/util/RangePreserver.js

define(
  'tinymce.themes.mobile.util.RangePreserver',

  [
    'ephox.katamari.api.Fun',
    'ephox.sand.api.PlatformDetection'
  ],

  function (Fun, PlatformDetection) {
    var platform = PlatformDetection.detect();
    /* At the moment, this is only going to be used for Android. The Google keyboard
     * that comes with Android seems to shift the selection when the editor gets blurred
     * to the end of the word. This function rectifies that behaviour
     *
     * See fiddle: http://fiddle.tinymce.com/xNfaab/3 or http://fiddle.tinymce.com/xNfaab/4
     */
    var preserve = function (f, editor) {
      var rng = editor.selection.getRng();
      f();
      editor.selection.setRng(rng);
    };

    var forAndroid = function (editor, f) {
      var wrapper = platform.os.isAndroid() ? preserve : Fun.apply;
      wrapper(f, editor);
    };

    return {
      forAndroid: forAndroid
    };
  }
);