common.js 3.2 KB

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  1. /**
  2. * Copyright (c) 2016, 2024, 5 Mode
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither 5 Mode nor the names of its contributors
  13. * may be used to endorse or promote products derived from this software
  14. * without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  17. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. *
  27. * common.js
  28. *
  29. * Squeejs Common JS.
  30. *
  31. * @author Daniele Bonini <my25mb@aol.com>
  32. * @copyrights (c) 2016, 2024, 5 Mode
  33. * @license https://opensource.org/licenses/BSD-3-Clause
  34. */
  35. /**
  36. * Get the height of the whole document
  37. *
  38. * @param {none}
  39. * @returns {int} the document height
  40. */
  41. function getDocHeight() {
  42. var D = document;
  43. return Math.max(
  44. D.body.scrollHeight, D.documentElement.scrollHeight,
  45. D.body.offsetHeight, D.documentElement.offsetHeight,
  46. D.body.clientHeight, D.documentElement.clientHeight
  47. );
  48. }
  49. function getDocHeight2() {
  50. var D = document;
  51. var scrollMaxY;
  52. if (window.scrollMaxY) {
  53. scrollMaxY = window.scrollMaxY;
  54. } else {
  55. scrollMaxY = D.documentElement.scrollHeight;
  56. }
  57. var height = Math.max(
  58. D.body.scrollHeight, scrollMaxY,
  59. D.body.offsetHeight, D.documentElement.offsetHeight,
  60. D.body.clientHeight, D.documentElement.clientHeight
  61. );
  62. return height;
  63. }
  64. /**
  65. * Get the width of the whole document
  66. *
  67. * @param {none}
  68. * @returns {int} the document width
  69. */
  70. function getDocWidth() {
  71. var D = document;
  72. return Math.max(
  73. D.body.scrollWidth, D.documentElement.scrollWidth,
  74. D.body.offsetWidth, D.documentElement.offsetWidth,
  75. D.body.clientWidth, D.documentElement.clientWidth
  76. );
  77. }
  78. function getDocWidth2() {
  79. var D = document;
  80. var scrollMaxX;
  81. if (window.scrollMaxX) {
  82. scrollMaxX = window.scrollMaxX;
  83. } else {
  84. scrollMaxX = D.documentElement.scrollWidth;
  85. }
  86. return Math.max(
  87. D.body.scrollWidth, scrollMaxX,
  88. D.body.offsetWidth, D.documentElement.offsetWidth,
  89. D.body.clientWidth, D.documentElement.clientWidth
  90. );
  91. }