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Current File : //proc/self/root/usr/share/nodejs/jsdom/lib/jsdom/living/nodes/GlobalEventHandlers-impl.js

"use strict";

const { appendHandler, createEventAccessor } = require("../helpers/create-event-accessor");

const events = new Set([
  "abort", "autocomplete",
  "autocompleteerror", "blur",
  "cancel", "canplay", "canplaythrough",
  "change", "click",
  "close", "contextmenu",
  "cuechange", "dblclick",
  "drag", "dragend",
  "dragenter",
  "dragleave", "dragover",
  "dragstart", "drop",
  "durationchange", "emptied",
  "ended", "error", "focus",
  "input", "invalid",
  "keydown", "keypress",
  "keyup", "load", "loadeddata",
  "loadedmetadata", "loadstart",
  "mousedown", "mouseenter",
  "mouseleave", "mousemove",
  "mouseout", "mouseover",
  "mouseup", "wheel",
  "pause", "play",
  "playing", "progress",
  "ratechange", "reset",
  "resize", "scroll",
  "securitypolicyviolation",
  "seeked", "seeking",
  "select", "sort", "stalled",
  "submit", "suspend",
  "timeupdate", "toggle",
  "volumechange", "waiting"
]);

class GlobalEventHandlersImpl {
  _initGlobalEvents() {
    this._registeredHandlers = new Set();
    this._eventHandlers = Object.create(null);
  }

  _getEventHandlerTarget() {
    return this;
  }

  _getEventHandlerFor(event) {
    const target = this._getEventHandlerTarget(event);
    if (!target) {
      return null;
    }

    return target._eventHandlers[event];
  }

  _setEventHandlerFor(event, handler) {
    const target = this._getEventHandlerTarget(event);
    if (!target) {
      return;
    }

    if (!target._registeredHandlers.has(event) && handler !== null) {
      target._registeredHandlers.add(event);
      appendHandler(target, event);
    }
    target._eventHandlers[event] = handler;
  }

  _globalEventChanged(event) {
    const propName = "on" + event;
    if (!(propName in this)) {
      return;
    }

    // Only translate attribute changes into properties when runScripts: "dangerously" is set.
    // Documents without a browsing context (i.e. without a _defaultView) never run scripts.
    const runScripts = "_runScripts" in this ? this._runScripts : (this._ownerDocument._defaultView || {})._runScripts;
    if (runScripts !== "dangerously") {
      return;
    }

    const val = this.getAttributeNS(null, propName);
    const handler = val === null ? null : { body: val };
    this._setEventHandlerFor(event, handler);
  }
}

for (const event of events) {
  createEventAccessor(GlobalEventHandlersImpl.prototype, event);
}

module.exports = {
  implementation: GlobalEventHandlersImpl
};

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