WheelEvent.js 5.7 KB

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  1. "use strict";
  2. const conversions = require("webidl-conversions");
  3. const utils = require("./utils.js");
  4. const WheelEventInit = require("./WheelEventInit.js");
  5. const implSymbol = utils.implSymbol;
  6. const ctorRegistrySymbol = utils.ctorRegistrySymbol;
  7. const MouseEvent = require("./MouseEvent.js");
  8. const interfaceName = "WheelEvent";
  9. exports.is = value => {
  10. return utils.isObject(value) && Object.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
  11. };
  12. exports.isImpl = value => {
  13. return utils.isObject(value) && value instanceof Impl.implementation;
  14. };
  15. exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
  16. if (exports.is(value)) {
  17. return utils.implForWrapper(value);
  18. }
  19. throw new globalObject.TypeError(`${context} is not of type 'WheelEvent'.`);
  20. };
  21. function makeWrapper(globalObject, newTarget) {
  22. let proto;
  23. if (newTarget !== undefined) {
  24. proto = newTarget.prototype;
  25. }
  26. if (!utils.isObject(proto)) {
  27. proto = globalObject[ctorRegistrySymbol]["WheelEvent"].prototype;
  28. }
  29. return Object.create(proto);
  30. }
  31. exports.create = (globalObject, constructorArgs, privateData) => {
  32. const wrapper = makeWrapper(globalObject);
  33. return exports.setup(wrapper, globalObject, constructorArgs, privateData);
  34. };
  35. exports.createImpl = (globalObject, constructorArgs, privateData) => {
  36. const wrapper = exports.create(globalObject, constructorArgs, privateData);
  37. return utils.implForWrapper(wrapper);
  38. };
  39. exports._internalSetup = (wrapper, globalObject) => {
  40. MouseEvent._internalSetup(wrapper, globalObject);
  41. };
  42. exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
  43. privateData.wrapper = wrapper;
  44. exports._internalSetup(wrapper, globalObject);
  45. Object.defineProperty(wrapper, implSymbol, {
  46. value: new Impl.implementation(globalObject, constructorArgs, privateData),
  47. configurable: true
  48. });
  49. wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
  50. if (Impl.init) {
  51. Impl.init(wrapper[implSymbol]);
  52. }
  53. return wrapper;
  54. };
  55. exports.new = (globalObject, newTarget) => {
  56. const wrapper = makeWrapper(globalObject, newTarget);
  57. exports._internalSetup(wrapper, globalObject);
  58. Object.defineProperty(wrapper, implSymbol, {
  59. value: Object.create(Impl.implementation.prototype),
  60. configurable: true
  61. });
  62. wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
  63. if (Impl.init) {
  64. Impl.init(wrapper[implSymbol]);
  65. }
  66. return wrapper[implSymbol];
  67. };
  68. const exposed = new Set(["Window"]);
  69. exports.install = (globalObject, globalNames) => {
  70. if (!globalNames.some(globalName => exposed.has(globalName))) {
  71. return;
  72. }
  73. const ctorRegistry = utils.initCtorRegistry(globalObject);
  74. class WheelEvent extends globalObject.MouseEvent {
  75. constructor(type) {
  76. if (arguments.length < 1) {
  77. throw new globalObject.TypeError(
  78. `Failed to construct 'WheelEvent': 1 argument required, but only ${arguments.length} present.`
  79. );
  80. }
  81. const args = [];
  82. {
  83. let curArg = arguments[0];
  84. curArg = conversions["DOMString"](curArg, {
  85. context: "Failed to construct 'WheelEvent': parameter 1",
  86. globals: globalObject
  87. });
  88. args.push(curArg);
  89. }
  90. {
  91. let curArg = arguments[1];
  92. curArg = WheelEventInit.convert(globalObject, curArg, {
  93. context: "Failed to construct 'WheelEvent': parameter 2"
  94. });
  95. args.push(curArg);
  96. }
  97. return exports.setup(Object.create(new.target.prototype), globalObject, args);
  98. }
  99. get deltaX() {
  100. const esValue = this !== null && this !== undefined ? this : globalObject;
  101. if (!exports.is(esValue)) {
  102. throw new globalObject.TypeError(
  103. "'get deltaX' called on an object that is not a valid instance of WheelEvent."
  104. );
  105. }
  106. return esValue[implSymbol]["deltaX"];
  107. }
  108. get deltaY() {
  109. const esValue = this !== null && this !== undefined ? this : globalObject;
  110. if (!exports.is(esValue)) {
  111. throw new globalObject.TypeError(
  112. "'get deltaY' called on an object that is not a valid instance of WheelEvent."
  113. );
  114. }
  115. return esValue[implSymbol]["deltaY"];
  116. }
  117. get deltaZ() {
  118. const esValue = this !== null && this !== undefined ? this : globalObject;
  119. if (!exports.is(esValue)) {
  120. throw new globalObject.TypeError(
  121. "'get deltaZ' called on an object that is not a valid instance of WheelEvent."
  122. );
  123. }
  124. return esValue[implSymbol]["deltaZ"];
  125. }
  126. get deltaMode() {
  127. const esValue = this !== null && this !== undefined ? this : globalObject;
  128. if (!exports.is(esValue)) {
  129. throw new globalObject.TypeError(
  130. "'get deltaMode' called on an object that is not a valid instance of WheelEvent."
  131. );
  132. }
  133. return esValue[implSymbol]["deltaMode"];
  134. }
  135. }
  136. Object.defineProperties(WheelEvent.prototype, {
  137. deltaX: { enumerable: true },
  138. deltaY: { enumerable: true },
  139. deltaZ: { enumerable: true },
  140. deltaMode: { enumerable: true },
  141. [Symbol.toStringTag]: { value: "WheelEvent", configurable: true },
  142. DOM_DELTA_PIXEL: { value: 0x00, enumerable: true },
  143. DOM_DELTA_LINE: { value: 0x01, enumerable: true },
  144. DOM_DELTA_PAGE: { value: 0x02, enumerable: true }
  145. });
  146. Object.defineProperties(WheelEvent, {
  147. DOM_DELTA_PIXEL: { value: 0x00, enumerable: true },
  148. DOM_DELTA_LINE: { value: 0x01, enumerable: true },
  149. DOM_DELTA_PAGE: { value: 0x02, enumerable: true }
  150. });
  151. ctorRegistry[interfaceName] = WheelEvent;
  152. Object.defineProperty(globalObject, interfaceName, {
  153. configurable: true,
  154. writable: true,
  155. value: WheelEvent
  156. });
  157. };
  158. const Impl = require("../../jsdom/living/events/WheelEvent-impl.js");