1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
| "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", "dragexit",
| "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.getAttribute(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
| };
|
|
