858f2bdf5
 Boyan Georgiev
fixes
|
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
"use strict";
const idlUtils = require("../generated/utils");
const EventInit = require("../generated/EventInit");
class EventImpl {
constructor(globalObject, args, privateData) {
const [type, eventInitDict = this.constructor.defaultInit] = args;
this.type = type;
this.bubbles = false;
this.cancelable = false;
for (const key in eventInitDict) {
if (key in this.constructor.defaultInit) {
this[key] = eventInitDict[key];
}
}
for (const key in this.constructor.defaultInit) {
if (!(key in this)) {
this[key] = this.constructor.defaultInit[key];
}
}
this.target = null;
this.currentTarget = null;
this.eventPhase = 0;
this._globalObject = globalObject;
this._initializedFlag = true;
this._stopPropagationFlag = false;
this._stopImmediatePropagationFlag = false;
this._canceledFlag = false;
this._inPassiveListenerFlag = false;
this._dispatchFlag = false;
this._path = [];
this.isTrusted = privateData.isTrusted || false;
this.timeStamp = Date.now();
}
// https://dom.spec.whatwg.org/#set-the-canceled-flag
_setTheCanceledFlag() {
if (this.cancelable && !this._inPassiveListenerFlag) {
this._canceledFlag = true;
}
}
get srcElement() {
return this.target;
}
get returnValue() {
return !this._canceledFlag;
}
set returnValue(v) {
if (v === false) {
this._setTheCanceledFlag();
}
}
get defaultPrevented() {
return this._canceledFlag;
}
stopPropagation() {
this._stopPropagationFlag = true;
}
get cancelBubble() {
return this._stopPropagationFlag;
}
set cancelBubble(v) {
if (v) {
this._stopPropagationFlag = true;
}
}
stopImmediatePropagation() {
this._stopPropagationFlag = true;
this._stopImmediatePropagationFlag = true;
}
preventDefault() {
this._setTheCanceledFlag();
}
// https://dom.spec.whatwg.org/#dom-event-composedpath
// Current implementation is based of https://whatpr.org/dom/699.html#dom-event-composedpath
// due to a bug in composed path implementation https://github.com/whatwg/dom/issues/684
composedPath() {
const composedPath = [];
const { currentTarget, _path: path } = this;
if (path.length === 0) {
return composedPath;
}
composedPath.push(currentTarget);
let currentTargetIndex = 0;
let currentTargetHiddenSubtreeLevel = 0;
for (let index = path.length - 1; index >= 0; index--) {
const { item, rootOfClosedTree, slotInClosedTree } = path[index];
if (rootOfClosedTree) {
currentTargetHiddenSubtreeLevel++;
}
if (item === idlUtils.implForWrapper(currentTarget)) {
currentTargetIndex = index;
break;
}
if (slotInClosedTree) {
currentTargetHiddenSubtreeLevel--;
}
}
let currentHiddenLevel = currentTargetHiddenSubtreeLevel;
let maxHiddenLevel = currentTargetHiddenSubtreeLevel;
for (let i = currentTargetIndex - 1; i >= 0; i--) {
const { item, rootOfClosedTree, slotInClosedTree } = path[i];
if (rootOfClosedTree) {
currentHiddenLevel++;
}
if (currentHiddenLevel <= maxHiddenLevel) {
composedPath.unshift(idlUtils.wrapperForImpl(item));
}
if (slotInClosedTree) {
currentHiddenLevel--;
if (currentHiddenLevel < maxHiddenLevel) {
maxHiddenLevel = currentHiddenLevel;
}
}
}
currentHiddenLevel = currentTargetHiddenSubtreeLevel;
maxHiddenLevel = currentTargetHiddenSubtreeLevel;
for (let index = currentTargetIndex + 1; index < path.length; index++) {
const { item, rootOfClosedTree, slotInClosedTree } = path[index];
if (slotInClosedTree) {
currentHiddenLevel++;
}
if (currentHiddenLevel <= maxHiddenLevel) {
composedPath.push(idlUtils.wrapperForImpl(item));
}
if (rootOfClosedTree) {
currentHiddenLevel--;
if (currentHiddenLevel < maxHiddenLevel) {
maxHiddenLevel = currentHiddenLevel;
}
}
}
return composedPath;
}
_initialize(type, bubbles, cancelable) {
this.type = type;
this._initializedFlag = true;
this._stopPropagationFlag = false;
this._stopImmediatePropagationFlag = false;
this._canceledFlag = false;
this.isTrusted = false;
this.target = null;
this.bubbles = bubbles;
this.cancelable = cancelable;
}
initEvent(type, bubbles, cancelable) {
if (this._dispatchFlag) {
return;
}
this._initialize(type, bubbles, cancelable);
}
}
EventImpl.defaultInit = EventInit.convert(undefined);
module.exports = {
implementation: EventImpl
};
|