HTMLMediaElement-impl.js
3.33 KB
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
"use strict";
const DOMException = require("domexception/webidl2js-wrapper");
const HTMLElementImpl = require("./HTMLElement-impl").implementation;
const notImplemented = require("../../browser/not-implemented");
const { reflectURLAttribute } = require("../../utils");
const { fireAnEvent } = require("../helpers/events");
function getTimeRangeDummy() {
return {
length: 0,
start() {
return 0;
},
end() {
return 0;
}
};
}
class HTMLMediaElementImpl extends HTMLElementImpl {
constructor(globalObject, args, privateData) {
super(globalObject, args, privateData);
this._muted = false;
this._volume = 1.0;
this.readyState = 0;
this.networkState = 0;
this.currentTime = 0;
this.currentSrc = "";
this.buffered = getTimeRangeDummy();
this.seeking = false;
this.duration = NaN;
this.paused = true;
this.played = getTimeRangeDummy();
this.seekable = getTimeRangeDummy();
this.ended = false;
this.audioTracks = [];
this.videoTracks = [];
this.textTracks = [];
}
// Implemented accoring to W3C Draft 22 August 2012
set defaultPlaybackRate(v) {
if (v === 0.0) {
throw DOMException.create(this._globalObject, ["The operation is not supported.", "NotSupportedError"]);
}
if (this._defaultPlaybackRate !== v) {
this._defaultPlaybackRate = v;
this._dispatchRateChange();
}
}
_dispatchRateChange() {
fireAnEvent("ratechange", this);
}
get defaultPlaybackRate() {
if (this._defaultPlaybackRate === undefined) {
return 1.0;
}
return this._defaultPlaybackRate;
}
get playbackRate() {
if (this._playbackRate === undefined) {
return 1.0;
}
return this._playbackRate;
}
set playbackRate(v) {
if (v !== this._playbackRate) {
this._playbackRate = v;
this._dispatchRateChange();
}
}
get muted() {
return this._muted;
}
_dispatchVolumeChange() {
fireAnEvent("volumechange", this);
}
set muted(v) {
if (v !== this._muted) {
this._muted = v;
this._dispatchVolumeChange();
}
}
get defaultMuted() {
return this.getAttributeNS(null, "muted") !== null;
}
set defaultMuted(v) {
if (v) {
this.setAttributeNS(null, "muted", v);
} else {
this.removeAttributeNS(null, "muted");
}
}
get volume() {
return this._volume;
}
set volume(v) {
if (v < 0 || v > 1) {
throw DOMException.create(this._globalObject, ["The index is not in the allowed range.", "IndexSizeError"]);
}
if (this._volume !== v) {
this._volume = v;
this._dispatchVolumeChange();
}
}
// Not (yet) implemented according to spec
// Should return sane default values
load() {
notImplemented("HTMLMediaElement.prototype.load", this._ownerDocument._defaultView);
}
canPlayType() {
return "";
}
play() {
notImplemented("HTMLMediaElement.prototype.play", this._ownerDocument._defaultView);
}
pause() {
notImplemented("HTMLMediaElement.prototype.pause", this._ownerDocument._defaultView);
}
addTextTrack() {
notImplemented("HTMLMediaElement.prototype.addTextTrack", this._ownerDocument._defaultView);
}
get src() {
return reflectURLAttribute(this, "src");
}
set src(value) {
this.setAttributeNS(null, "src", value);
}
}
module.exports = {
implementation: HTMLMediaElementImpl
};