-
Notifications
You must be signed in to change notification settings - Fork 0
/
popup.js
296 lines (247 loc) · 7.61 KB
/
popup.js
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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
// the current song in the queue being played
// need this to unhighlight the song when we switch to a new one.
var currentIndex = -1;
function _getNowPlaying(state) {
return state.tracks[state.index];
}
/* UI */
var _initializeState = function(state) {
$(".queue-container").empty();
_resetSeeker();
if (state) {
currentIndex = state.index;
$.each(state.tracks, function(index, track) {
_appendToQueue(track, index);
});
_highlightSong(currentIndex);
_updateReplayButton(state.replay);
_showPlayButton(!state.playing);
$(".volume").get(0).value = state.volume;
_updateSeeker(state.currentPosition, _getNowPlaying(state).duration)
}
}
function _millisToTime(millis) {
// see http://stackoverflow.com/a/1268377
function zeroPad(num, numZeros) {
var n = Math.abs(num);
var zeros = Math.max(0, numZeros - Math.floor(n).toString().length );
var zeroString = Math.pow(10,zeros).toString().substr(1);
if( num < 0 ) {
zeroString = '-' + zeroString;
}
return zeroString+n;
}
// see http://www.calculatorsoup.com/calculators/time/decimal-to-time-calculator.php
var minutesInDecimal = millis / 60000;
var secondsInDecimal = (minutesInDecimal % 1) * 60;
return Math.floor(minutesInDecimal) + ":" + zeroPad(Math.floor(secondsInDecimal), 2);
}
// add song row to queue
function _appendToQueue(track, index) {
var buttonClasses = "waves-effect waves-orange btn-flat"
//console.log(track);
var id = "track" + index;
var artwork = track.artwork_url;
var artist = track.user.username;
var artistLink = track.user.permalink_url;
var title = track.title;
var link = track.permalink_url;
var duration = _millisToTime(track.duration); // millis to minutes.
var html ="\n" +
"<div id='" + id + "' class='song valign-wrapper'>\n" +
" <img class='song-artwork' src='" + artwork + "'>\n" +
" <div class='valign song-meta'>\n" +
" <p class='song-artist truncate " + buttonClasses + "'>" + artist + "</p>\n" +
" <p class='song-duration'>" + duration + "</p>\n" +
" <p class='song-title truncate'>" + title + "</p>\n" +
" </div>\n" +
"</div>\n";
$(".queue-container").append(html);
// artwork click listener, redirects user to sound page.
$("#" + id + " .song-artwork").click(function(e) {
chrome.tabs.create({url: link});
});
// artist click listener, redirects user to artist page.
$("#" + id + " .song-artist").click(function(e) {
chrome.tabs.create({url: artistLink});
});
// entire row click listener, selects the song to play immediately.
$("#" + id).click(function(e) {
_selectSong(index);
});
}
// highlights the current played song
function _highlightSong(index) {
$(".song:nth-child(" + (index + 1) + ")").addClass("now-playing");
}
function _unhighlightSong(index) {
$(".song:nth-child(" + (index + 1) + ")").removeClass("now-playing");
}
function _showPlayButton(show) {
var playDisplay = show ? "inline" : "none";
var pauseDisplay = show ? "none" : "inline";
$(".play").css("display", playDisplay);
$(".pause").css("display", pauseDisplay);
}
function _updateReplayButton(replay) {
if (replay) {
$(".replay").css("background-color", "#EEE");
} else {
$(".replay").css("background-color", "");
}
}
function _resetSeeker() {
$(".seeker-current-position").html("0:00");
$(".seeker-total-duration").html("0:00");
$(".seeker")[0].value = 0;
}
// each param is in millis.
function _updateSeeker(currentPosition, trackDuration) {
var position = Math.floor(currentPosition / trackDuration * 1000);
$(".seeker-current-position").html(_millisToTime(currentPosition));
$(".seeker-total-duration").html(_millisToTime(trackDuration));
$(".seeker")[0].value = position;
}
/* Click Handlers. */
function _pause() {
_sendMediaMessage("pause");
_showPlayButton(true);
}
function _play() {
_sendMediaMessage("play", null, function(response) {
_showPlayButton(!response.playing);
});
}
function _clear() {
_sendMediaMessage("clear", null, _initializeState);
}
function _selectSong(_index) {
_unhighlightSong(currentIndex);
_sendMediaMessage("select", {index: _index}, function(response) {
currentIndex = response.index;
_highlightSong(response.index);
});
}
function _throttle(fn, threshhold, scope) {
threshhold || (threshhold = 250);
var last,
deferTimer;
return function () {
var context = scope || this;
var now = +new Date,
args = arguments;
if (last && now < last + threshhold) {
// hold on to it
clearTimeout(deferTimer);
deferTimer = setTimeout(function () {
last = now;
fn.apply(context, args);
}, threshhold);
} else {
last = now;
fn.apply(context, args);
}
};
}
function _attachClickListeners() {
$(".soundcloud-link").click(function() {
chrome.tabs.create({url: "https://soundcloud.com"});
});
$(".pause").click(function() {
_pause();
});
$(".play").click(function() {
_play();
});
$(".prev").click(function(e) {
_unhighlightSong(currentIndex);
_sendMediaMessage("prev", null, function(state) {
currentIndex = state.index;
_highlightSong(state.index);
});
});
$(".next").click(function(e) {
_unhighlightSong(currentIndex);
_sendMediaMessage("next", null, function(state) {
currentIndex = state.index;
_highlightSong(state.index);
});
});
$(".clear").click(function() {
_clear();
});
$(".replay").click(function() {
_sendMediaMessage("replay", null, function(state) {
_updateReplayButton(state.replay);
});
});
$(".shuffle").click(function(e) {
$(".queue-container").empty();
_sendMediaMessage("shuffle", null, function(state) {
_initializeState(state);
_showPlayButton(!state.playing);
});
});
$(".volume").on("input", function() {
_sendMediaMessage("volume", {volume: parseInt($(this).val())})
});
$(".seeker").on("input", _throttle(function() {
_sendMediaMessage("seek", {seek: $(this).val()}, function(state) {
_updateSeeker(state.currentPosition, _getNowPlaying(state).duration);
});
}, 50));
}
function _handleNotifyMessage(message, sender, sendResponse) {
switch(message.type) {
case "next-song":
var state = message.state;
_unhighlightSong(currentIndex);
currentIndex = state.index;
_highlightSong(currentIndex);
_updateSeeker(0, _getNowPlaying(state).duration);
break;
case "svg-replace":
_attachClickListeners();
break;
case "song-progress":
var state = message.state;
_updateSeeker(state.currentPosition, _getNowPlaying(state).duration);
break;
}
}
var seeker;
$(function() {
// Lets background script know that popup is opened
// and gets the queue object as a response
chrome.runtime.sendMessage({
action: "NOTIFY",
type: "visible"
},
_initializeState
);
// listens updates to the current song index.
chrome.runtime.onMessage.addListener(
function(message, sender, sendResponse) {
switch(message.action) {
case "NOTIFY":
_handleNotifyMessage(message, sender, sendResponse);
break;
}
}
);
_attachClickListeners();
});
/* Use these helpers to send messages to the backend about user actions. */
function _sendMediaMessage(type) {
_sendMediaMessage(type, null);
}
function _sendMediaMessage(type, options) {
_sendMediaMessage(type, options, null);
}
function _sendMediaMessage(type, options, callback) {
chrome.runtime.sendMessage({
action: "MEDIA",
type: type,
options: options
}, callback);
}