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File: Resize.js

/**
 * Resize.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

define(
  'tinymce.themes.modern.ui.Resize',
  [
    'tinymce.core.dom.DOMUtils'
  ],
  function (DOMUtils) {
    var DOM = DOMUtils.DOM;
    var getSize = function (elm) {
      return {
        width: elm.clientWidth,
        height: elm.clientHeight
      };
    };

    var resizeTo = function (editor, width, height) {
      var containerElm, iframeElm, containerSize, iframeSize, settings = editor.settings;

      containerElm = editor.getContainer();
      iframeElm = editor.getContentAreaContainer().firstChild;
      containerSize = getSize(containerElm);
      iframeSize = getSize(iframeElm);

      if (width !== null) {
        width = Math.max(settings.min_width || 100, width);
        width = Math.min(settings.max_width || 0xFFFF, width);

        DOM.setStyle(containerElm, 'width', width + (containerSize.width - iframeSize.width));
        DOM.setStyle(iframeElm, 'width', width);
      }

      height = Math.max(settings.min_height || 100, height);
      height = Math.min(settings.max_height || 0xFFFF, height);
      DOM.setStyle(iframeElm, 'height', height);

      editor.fire('ResizeEditor');
    };

    var resizeBy = function (editor, dw, dh) {
      var elm = editor.getContentAreaContainer();
      resizeTo(editor, elm.clientWidth + dw, elm.clientHeight + dh);
    };

    return {
      resizeTo: resizeTo,
      resizeBy: resizeBy
    };
  }
);