fix player
[wolnelektury.git] / src / catalogue / static / player / player.js
1 (function($) {
2     $(function() {
3
4         $(".book-right-column").remove();
5
6         if ($("#player-bar").length) {
7             $("#book-text-buttons").append(
8                 $("<a class='enable-player-bar'><i class='icon icon-play'></i> zacznij słuchać</a>")
9             ).show();
10         }
11         
12         $(".enable-player-bar").click(function() {
13             
14             $('body').addClass('with-player-bar');
15             $('.jp-play').click();
16             return false;
17         })
18
19                                       
20         var smil = $("#smil").text();
21         if (smil) {
22             smil = $.parseJSON(smil);
23
24             $.each(smil, function(i, e) {
25                 $('#' + e).addClass('syncable');
26             })
27         }
28
29
30         scrolling = false;
31         /*$(window).on('scroll', function() {
32             if (!scrolling) {
33                 $("#locator").removeClass('snap');
34             }
35         });*/
36
37         lastscroll = null;
38         
39         scrollTo = function() {
40             if (!scrolling && $('.playing-highlight').length && $('.playing-highlight')[0] != lastscroll) {
41                 lastscroll = $('.playing-highlight')[0];
42                 scrolling = true;
43                 $("html").animate({
44                     scrollTop: $('.playing-highlight').offset().top,
45                 }, {
46                     duration: 2000,
47                     done: function() {
48                         scrolling = false;
49                         
50                     },
51                 });
52             }
53         }
54
55         
56         $.jPlayer.timeFormat.showHour = true;
57
58         $(".jp-jplayer").each(function() {
59             var $self = $(this);
60             
61             var $root = $self.parent();
62             var $currentMedia = null
63             var currentDuration = 0;
64             var speed = 1;
65             var totalDurationLeft = 0;
66             var totalDurationBefore = 0;
67             var lastUpdate = 0;
68             var player = null;
69             var doesUpdateSynchro = true;
70
71             // TODO: will need class for attach
72             // may be added from sync data
73
74
75             $(".zakladka-tool_sluchaj").click(function() {
76                 $('body').addClass('with-player-bar');
77                 let id = $(this).data('sync');
78                 if (!id) return;
79                 for (let i=0; i<smil.length; ++i) {
80                     if (smil[i][0] == id) {
81                         setMediaFromTime(smil[i][1], 'play');
82                         //player.jPlayer('play');
83                         return;
84                     }
85                 }
86             });
87
88             var setMediaFromTime = function(time, cmd='pause') {
89                 $('.jp-playlist li', $root).each((i, e) => {
90                     d = parseFloat($(e).data('duration'));
91                     if (time < d) {
92                         setMedia($(e), time, cmd);
93                         return false
94                     } else {
95                         time -= d;
96                     }
97                 })
98             }
99             
100             var setMedia = function(elem, time=0, cmd='pause') {
101                 var media = {}
102
103                 media['mp3'] = elem.attr('data-mp3');
104                 media['oga'] = elem.attr('data-ogg');
105                 media['id'] = elem.attr('data-media-id');
106
107                 $(".c-player__head", $root).html(
108                     $(".attribution", elem).html())
109                 ;
110                 $(".c-player__info", $root).html(
111                     $(".title", elem).html()
112                 );
113                 $(".c-media__caption .content", $root).html($(".project-description", elem).html());
114                 $(".c-media__caption .license", $root).html($(".license", elem).html());
115                 $(".c-media__caption .project-logo", $root).html($(".project-icon", elem).html());
116
117                 doesUpdateSynchro = false;
118                 if (!$currentMedia || $currentMedia[0] != elem[0]) {
119                     player.jPlayer("setMedia", media);
120                     player.jPlayer("option", "playbackRate", speed);
121                 }
122                 doesUpdateSynchro = true;
123                 player.jPlayer(cmd, time);
124
125                 $currentMedia = elem;
126                 $(".play-next", $root).prop("disabled", !elem.nextAll('li').length);
127
128                 let du = parseFloat(elem.data('duration'));
129                 currentDuration = du;
130                 elem.nextAll('li').each(function() {
131                     du += parseFloat($(this).data('duration'));
132                 });
133                 totalDurationLeft = du;
134
135                 let pdu = 0;
136                 elem.prevAll('li').each(function() {
137                     pdu += parseFloat($(this).data('duration'));
138                 });
139                 totalDurationBefore = pdu;
140
141                 return player;
142             };
143
144
145             var updateSynchrotext = function(position) {
146                 if (!doesUpdateSynchro) return;
147                 
148                 let curElemId = null;
149                 for (let i=0; i<smil.length; ++i) {
150                     // can faster
151                     if (smil[i][1] <= position) curElemId = smil[i][0];
152                     else break;
153                 }
154                 $(".playing-highlight").removeClass("playing-highlight");
155                 if (curElemId !== null) {
156                     let curElem = $("#" + curElemId);
157                     curElem.addClass("playing-highlight");
158
159                     let miny = window.scrollY;
160                     let maxy = miny + window.innerHeight;
161                     let y = curElem.offset().top;
162
163                     let locator = $("#locator");
164                     // TODO: if snap then roll
165                     locator.removeClass('up').removeClass('down');
166                     if (locator.hasClass('snap')) {
167                         scrollTo();
168                     } else {
169                         if (y < miny) {
170                             locator.addClass('up');
171                         }
172                         if (y > maxy) {
173                             locator.addClass('down');
174                         }
175                     }
176                 }
177             }
178             
179         $self.jPlayer({
180             swfPath: "/static/js/contrib/jplayer/",
181             solution: "html,flash",
182             supplied: 'oga,mp3',
183             cssSelectorAncestor: "#" + $self.attr("data-player"),
184             useStateClassSkin: true,
185
186             ready: function() {
187                 player = $(this);
188
189                 let selectItem = $('.c-select li');
190                 selectItem.on('click', function() {
191                     let speedStr = $(this).data('speed');
192                     speed = parseFloat(speedStr);
193                     player.jPlayer("option", "playbackRate", speed);
194                     localStorage['audiobook-speed'] = speedStr;
195                     _paq.push(['trackEvent', 'audiobook', 'speed', speedStr]);
196                 });
197                 
198                 $('.jp-play', $root).click(function() {
199                     _paq.push(['trackEvent', 'audiobook', 'play']);
200                 });
201                 $('.jp-seek-bar', $root).click(function() {
202                     _paq.push(['trackEvent', 'audiobook', 'seek']);
203                 });
204                 $('.jp-mute', $root).click(function() {
205                     _paq.push(['trackEvent', 'audiobook', 'mute']);
206                 });
207                 $('.jp-volume-bar', $root).click(function() {
208                     _paq.push(['trackEvent', 'audiobook', 'volume']);
209                 });
210
211                 $('.play-next', $root).click(function() {
212                     let p = $currentMedia.nextAll('li').first();
213                     if (p.length) {
214                         setMedia(p).jPlayer("play");
215                         _paq.push(['trackEvent', 'audiobook', 'next']);
216                     }
217                 });
218                 $('.play-prev', $root).click(function() {
219                     let p = $currentMedia.prevAll('li').first();
220                     if (p.length) {
221                         setMedia(p).jPlayer("play");
222                         _paq.push(['trackEvent', 'audiobook', 'prev']);
223                     } else {
224                         // If in first part, restart it.
225                         setMedia($currentMedia).jPlayer("play");
226                         _paq.push(['trackEvent', 'audiobook', 'rewind']);
227                     }
228                 });
229
230                 $('.jp-playlist li', $root).click(function() {
231                     setMedia($(this)).jPlayer("play");
232                     $('.c-player__chapters').removeClass('is-active');
233                     _paq.push(['trackEvent', 'audiobook', 'chapter']);
234                 });
235
236                 var initialElem = $('.jp-playlist li', $root).first();
237                 var initialTime = 0;
238                 if (true || Modernizr.localstorage) {
239                     try {
240                         let speedStr = localStorage['audiobook-speed'];
241                         if (speedStr) {
242                             speed = parseFloat(speedStr);
243                             $(".speed .is-active").removeClass("is-active");
244                             $(".speed [data-speed='" + speedStr + "']").addClass("is-active");
245                         }
246                     } catch {}
247
248                     try {
249                         audiobooks = JSON.parse(localStorage["audiobook-history"]);
250                     } catch {
251                         audiobooks = {};
252                     }
253                     last = audiobooks[$root.attr("data-book-slug")]
254                     // Fallback for book id;
255                     if (!last) {
256                         last = audiobooks[$root.attr("data-book-id")]
257                     }
258
259                     if (last) {
260                         initialElem = $('[data-media-id="' + last[1] + '"]', $root).first();
261                         initialTime = last[2];
262                     }
263                 }
264                 setMedia($(initialElem), initialTime);
265             },
266
267             timeupdate: function(event) {
268                 t = event.jPlayer.status.currentTime;
269
270                 updateSynchrotext(totalDurationBefore + t);
271                 
272                 
273                 ttl = (totalDurationLeft - t) / speed;
274                 ttl = $.jPlayer.convertTime(ttl);
275                 $(".total-time-left").text('Czas do końca: ' + ttl);
276
277                 $(".time-left").text('– ' + $.jPlayer.convertTime(
278                     currentDuration - t,
279                 ));
280                 
281                 
282                 if (Math.abs(t - lastUpdate) > 3) {
283                     try {
284                         audiobooks = JSON.parse(localStorage["audiobook-history"]);
285                     } catch {
286                         audiobooks = {};
287                     }
288                     if (t && event.jPlayer.status.duration - t > 10) {
289                         audiobooks[$root.attr("data-book-slug")] = [
290                             Date.now(),
291                             event.jPlayer.status.media.id,
292                             event.jPlayer.status.currentTime
293                         ];
294                     } else {
295                         delete audiobooks[$root.attr("data-book-slug")];
296                     }
297                     // Remove old book id, if present.
298                     delete audiobooks[$root.attr("data-book-id")];
299                     localStorage["audiobook-history"] = JSON.stringify(audiobooks);
300                     lastUpdate = t;
301                 }
302             },
303
304
305             ended: function(event) {
306                 let p = $currentMedia.nextAll('li');
307                 if (p.length) {
308                     setMedia(p).jPlayer("play");
309                 }
310             }
311         });
312       });
313
314
315    $('#locator').on('click', function() {
316        $(this).toggleClass('snap');
317        lastscroll = null;
318    });
319
320         
321
322     });
323 })(jQuery)