chrome/browser/resources/print_preview/data/printable_area.js

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

cr.define('print_preview', function() {
  'use strict';

  /**
   * Object describing the printable area of a page in the document.
   * @param {!print_preview.Coordinate2d} origin Top left corner of the
   *     printable area of the document.
   * @param {!print_preview.Size} size Size of the printable area of the
   *     document.
   * @constructor
   */
  function PrintableArea(origin, size) {
    /**
     * Top left corner of the printable area of the document.
     * @type {!print_preview.Coordinate2d}
     * @private
     */
    this.origin_ = origin;

    /**
     * Size of the printable area of the document.
     * @type {!print_preview.Size}
     * @private
     */
    this.size_ = size;
  };

  PrintableArea.prototype = {
    /**
     * @return {!print_preview.Coordinate2d} Top left corner of the printable
     *     area of the document.
     */
    get origin() {
      return this.origin_;
    },

    /**
     * @return {!print_preview.Size} Size of the printable area of the document.
     */
    get size() {
      return this.size_;
    },

    /**
     * @param {print_preview.PrintableArea} other Other printable area to check
     *     for equality.
     * @return {boolean} Whether another printable area is equal to this one.
     */
    equals: function(other) {
      return other != null &&
          this.origin_.equals(other.origin_) &&
          this.size_.equals(other.size_);
    }
  };

  // Export
  return {
    PrintableArea: PrintableArea
  };
});