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
|
var details_tt, select_tt, table_tt;
function renderCues() {
var tt = Q("video").textTracks[select_tt.selectedIndex];
let cuesL = [...tt.cues];
var tt_type = cuesL[0].text.startsWith(" \n");
let ff_bug = false;
if (!cuesL[0].text.length) { ff_bug = true; tt_type = true };
let rows;
function forEachCue(cb) {
for (let i=0; i < cuesL.length; i++) {
let txt, startTime = tt.cues[i].startTime;
if (tt_type) {
if (i % 2) continue;
if (ff_bug && !tt.cues[i].text.length) txt = tt.cues[i+1].text;
else txt = tt.cues[i].text.split('\n')[1].replace(/<[\d:.]*?><c>(.*?)<\/c>/g, "$1");
} else {
txt = tt.cues[i].text;
}
cb(startTime, txt);
}
}
function createA(startTime, txt, title=null) {
a = document.createElement("a");
a.appendChild(text(txt));
a.href = "javascript:;"; // TODO: replace this with ?t parameter
if (title) a.title = title;
a.addEventListener("click", (e) => {
Q("video").currentTime = startTime;
})
return a;
}
clearNode(table_tt);
console.log("render cues..", tt.cues.length);
if (Q("input#transcript-use-table").checked) {
forEachCue((startTime, txt) => {
let tr, td, a;
tr = document.createElement("tr");
td = document.createElement("td")
td.appendChild(createA(startTime, toMS(startTime)));
tr.appendChild(td);
td = document.createElement("td")
td.appendChild(text(txt));
tr.appendChild(td);
table_tt.appendChild(tr);
});
rows = table_tt.rows;
}
else {
forEachCue((startTime, txt) => {
span = document.createElement("span");
var idx = txt.indexOf(" ", 1);
var [firstWord, rest] = [txt.slice(0, idx), txt.slice(idx)];
span.appendChild(createA(startTime, firstWord, toMS(startTime)));
if (rest) span.appendChild(text(rest + " "));
table_tt.appendChild(span);
});
rows = table_tt.childNodes;
}
var lastActiveRow = null;
function colorCurRow(e) {
// console.log("cuechange:", e);
var idxC = cuesL.findIndex((c) => c == tt.activeCues[0]);
var idxT = tt_type ? Math.floor(idxC / 2) : idxC;
if (lastActiveRow) lastActiveRow.style.backgroundColor = "";
if (idxT < 0) return;
var row = rows[idxT];
row.style.backgroundColor = "#0cc12e42";
lastActiveRow = row;
}
colorCurRow();
tt.addEventListener("cuechange", colorCurRow);
}
function loadCues() {
let tts = Q("video").textTracks;
let tt = tts[select_tt.selectedIndex];
let dst_mode = "hidden";
for (let ttI of tts) {
if (ttI.mode === "showing") dst_mode = "showing";
if (ttI !== tt) ttI.mode = "disabled";
}
if (tt.mode == "disabled") tt.mode = dst_mode;
var iC = setInterval(() => {
if (tt.cues && tt.cues.length) {
clearInterval(iC);
renderCues();
}
}, 100);
}
window.addEventListener('DOMContentLoaded', function() {
let tts = Q("video").textTracks;
if (!tts.length) return;
details_tt = Q("details#transcript-box");
details_tt.addEventListener("toggle", () => {
if (details_tt.open) loadCues();
});
select_tt = Q("select#select-tt");
select_tt.selectedIndex = getDefaultTranscriptTrackIdx();
select_tt.addEventListener("change", loadCues);
table_tt = Q("table#transcript-table");
table_tt.appendChild(text("loading.."));
tts.addEventListener("change", (e) => {
// console.log(e);
var idx = getActiveTranscriptTrackIdx(); // sadly not provided by 'e'
if (tts[idx].mode == "showing") {
select_tt.selectedIndex = idx;
loadCues();
}
else if (details_tt.open && tts[idx].mode == "disabled") {
tts[idx].mode = "hidden"; // so we still receive 'oncuechange'
}
})
Q("input#transcript-use-table").addEventListener("change", renderCues);
Q(".side-videos").prepend(details_tt);
});
|
