Add some TODOs for simultaneous games support
[vchess.git] / client / src / views / Hall.vue
1 <template lang="pug">
2 main
3 input#modalInfo.modal(type="checkbox")
4 div#infoDiv(
5 role="dialog"
6 data-checkbox="modalInfo"
7 )
8 .card.text-center
9 label.modal-close(for="modalInfo")
10 p(v-html="infoMessage")
11 input#modalAccept.modal(type="checkbox")
12 div#acceptDiv(role="dialog")
13 .card
14 p.text-center
15 span.variantName {{ curChallToAccept.vname }}
16 span {{ curChallToAccept.cadence }}
17 span {{ st.tr["with"] + " " + curChallToAccept.from.name }}
18 p.text-center(v-if="!!curChallToAccept.color")
19 | {{ st.tr["Your color:"] + " " + invColor(curChallToAccept.color) }}
20 .diagram(
21 v-if="!!curChallToAccept.fen"
22 v-html="tchallDiag"
23 )
24 .button-group#buttonsTchall(:style="tchallButtonsMargin()")
25 button.acceptBtn(@click="decisionChallenge(true)")
26 span {{ st.tr["Accept challenge?"] }}
27 button.refuseBtn(@click="decisionChallenge(false)")
28 span {{ st.tr["Refuse"] }}
29 input#modalNewgame.modal(
30 type="checkbox"
31 @change="cadenceFocusIfOpened($event)"
32 )
33 div#newgameDiv(
34 role="dialog"
35 data-checkbox="modalNewgame"
36 )
37 .card
38 label#closeNewgame.modal-close(for="modalNewgame")
39 div(@keyup.enter="issueNewChallenge()")
40 fieldset
41 label(for="selectVariant") {{ st.tr["Variant"] }} *
42 select#selectVariant(
43 @change="loadNewchallVariant(trySetNewchallDiag)"
44 v-model="newchallenge.vid"
45 )
46 option(
47 v-for="v in st.variants"
48 :value="v.id"
49 :selected="newchallenge.vid==v.id"
50 )
51 | {{ v.name }}
52 fieldset
53 label(for="cadence") {{ st.tr["Cadence"] }} *
54 div#predefinedCadences
55 button(type="button") 15+5
56 button(type="button") 45+30
57 button(type="button") 3d
58 button(type="button") 7d
59 input#cadence(
60 type="text"
61 v-model="newchallenge.cadence"
62 placeholder="5+0, 1h+30s, 5d ..."
63 )
64 fieldset
65 label(for="selectRandomLevel") {{ st.tr["Randomness"] }} *
66 select#selectRandomLevel(v-model="newchallenge.randomness")
67 option(value="0") {{ st.tr["Deterministic"] }}
68 option(value="1") {{ st.tr["Symmetric random"] }}
69 option(value="2") {{ st.tr["Asymmetric random"] }}
70 fieldset
71 label(for="memorizeChall") {{ st.tr["Memorize"] }}
72 input#memorizeChall(
73 type="checkbox"
74 v-model="newchallenge.memorize"
75 )
76 fieldset(v-if="st.user.id > 0")
77 label(for="selectPlayers") {{ st.tr["Play with"] }}
78 select#selectPlayersInList(
79 v-model="newchallenge.to"
80 @change="changeChallTarget()"
81 )
82 option(value="")
83 option(
84 v-for="p in Object.values(people)"
85 v-if="!!p.name"
86 :value="p.name"
87 )
88 | {{ p.name }}
89 input#selectPlayers(
90 type="text"
91 v-model="newchallenge.to"
92 )
93 fieldset(v-show="st.user.id > 0 && newchallenge.to.length > 0")
94 label(for="selectColor") {{ st.tr["Color"] }}
95 select#selectColor(v-model="newchallenge.color")
96 option(value='')
97 option(value='w') {{ st.tr["White"] }}
98 option(value='b') {{ st.tr["Black"] }}
99 br
100 input#inputFen(
101 placeholder="FEN"
102 @input="trySetNewchallDiag()"
103 type="text"
104 v-model="newchallenge.fen"
105 )
106 .diagram(v-html="newchallenge.diag")
107 button(@click="issueNewChallenge()") {{ st.tr["Send challenge"] }}
108 input#modalPeople.modal(
109 type="checkbox"
110 @click="toggleSocialColor()"
111 )
112 div#peopleWrap(
113 role="dialog"
114 data-checkbox="modalPeople"
115 )
116 .card
117 label.modal-close(for="modalPeople")
118 #people
119 #players
120 p(
121 v-for="sid in Object.keys(people)"
122 v-if="!!people[sid].name"
123 )
124 UserBio.user-bio(:uid="people[sid].id" :uname="people[sid].name")
125 button.player-action(
126 v-if="isGamer(sid)"
127 @click="watchGame(sid)"
128 )
129 | {{ st.tr["Observe"] }}
130 button.player-action(
131 v-else-if="st.user.sid != sid"
132 :class="{focused: isFocusedOnHall(sid)}"
133 @click="challenge(sid)"
134 )
135 | {{ st.tr["Challenge"] }}
136 p.anonymous @nonymous ({{ anonymousCount() }})
137 #chat
138 Chat(
139 ref="chatcomp"
140 @mychat="processChat"
141 :pastChats="[]"
142 )
143 .clearer
144 .row
145 .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
146 .button-group
147 button#peopleBtn(onClick="window.doClick('modalPeople')")
148 | {{ st.tr["Who's there?"] }}
149 button(@click="showNewchallengeForm()")
150 | {{ st.tr["New game"] }}
151 .row(v-if="presetChalls.length > 0")
152 .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
153 h4.text-center {{ st.tr["Preset challenges"] }}
154 table
155 thead
156 tr
157 th {{ st.tr["Variant"] }}
158 th {{ st.tr["Cadence"] }}
159 th {{ st.tr["Random?"] }}
160 th
161 tbody
162 tr(
163 v-for="pc in presetChalls"
164 @click="newChallFromPreset(pc)"
165 )
166 td {{ pc.vname }}
167 td {{ pc.cadence }}
168 td(:class="getRandomnessClass(pc)")
169 td.remove-preset(@click="removePresetChall($event, pc)")
170 img(src="/images/icons/delete.svg")
171 .row
172 .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
173 div#div2
174 .button-group
175 button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
176 | {{ st.tr["Live challenges"] }}
177 button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
178 | {{ st.tr["Correspondence challenges"] }}
179 ChallengeList(
180 v-show="cdisplay=='live'"
181 :challenges="filterChallenges('live')"
182 @click-challenge="clickChallenge"
183 )
184 ChallengeList(
185 v-show="cdisplay=='corr'"
186 :challenges="filterChallenges('corr')"
187 @click-challenge="clickChallenge"
188 )
189 div#div3
190 .button-group
191 button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
192 | {{ st.tr["Live games"] }}
193 button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
194 | {{ st.tr["Correspondence games"] }}
195 GameList(
196 v-show="gdisplay=='live'"
197 :games="filterGames('live')"
198 :show-both="true"
199 @show-game="showGame"
200 )
201 div(v-show="gdisplay=='corr'")
202 GameList(
203 :games="filterGames('corr')"
204 :show-both="true"
205 @show-game="showGame"
206 )
207 button#loadMoreBtn(
208 v-if="hasMore"
209 @click="loadMoreCorr()"
210 )
211 | {{ st.tr["Load more"] }}
212 </template>
213
214 <script>
215 import { store } from "@/store";
216 import { checkChallenge } from "@/data/challengeCheck";
217 import { notify } from "@/utils/notifications";
218 import { ArrayFun } from "@/utils/array";
219 import { ajax } from "@/utils/ajax";
220 import params from "@/parameters";
221 import { getRandString, shuffle, randInt } from "@/utils/alea";
222 import { getDiagram } from "@/utils/printDiagram";
223 import Chat from "@/components/Chat.vue";
224 import UserBio from "@/components/UserBio.vue";
225 import GameList from "@/components/GameList.vue";
226 import ChallengeList from "@/components/ChallengeList.vue";
227 import { GameStorage } from "@/utils/gameStorage";
228 import { processModalClick } from "@/utils/modalClick";
229 export default {
230 name: "my-hall",
231 components: {
232 Chat,
233 UserBio,
234 GameList,
235 ChallengeList
236 },
237 data: function() {
238 return {
239 st: store.state,
240 cdisplay: "live", //or corr
241 gdisplay: "live",
242 // timestamp of last showed (oldest) corr game:
243 cursor: Number.MAX_SAFE_INTEGER,
244 // hasMore == TRUE: a priori there could be more games to load
245 hasMore: true,
246 games: [],
247 challenges: [],
248 people: {},
249 infoMessage: "",
250 newchallenge: {
251 fen: "",
252 vid: parseInt(localStorage.getItem("vid"), 10) || 0,
253 to: "", //name of challenged player (if any)
254 color: '',
255 cadence: localStorage.getItem("cadence") || "",
256 randomness:
257 // Warning: randomness can be 0, then !!randomness is false
258 (parseInt(localStorage.getItem("challRandomness"),10)+1 || 3) - 1,
259 // VariantRules object, stored to not interfere with
260 // diagrams of targetted challenges:
261 V: null,
262 vname: "",
263 diag: "", //visualizing FEN
264 memorize: false //put settings in localStorage
265 },
266 focus: true,
267 tchallDiag: "",
268 curChallToAccept: { from: {} },
269 presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"),
270 conn: null,
271 connexionString: "",
272 socketCloseListener: 0,
273 // Related to (killing of) self multi-connects:
274 newConnect: {}
275 };
276 },
277 watch: {
278 // st.variants changes only once, at loading from [] to [...]
279 "st.variants": function() {
280 // Set potential challenges and games variant names:
281 this.challenges.concat(this.games).forEach(o => {
282 if (!o.vname) o.vname = this.getVname(o.vid);
283 });
284 if (!this.newchallenge.V && this.newchallenge.vid > 0)
285 this.loadNewchallVariant();
286 },
287 $route: function(to, from) {
288 if (to.path != "/") this.cleanBeforeDestroy();
289 }
290 },
291 created: function() {
292 document.addEventListener('visibilitychange', this.visibilityChange);
293 window.addEventListener('focus', this.onFocus);
294 window.addEventListener('blur', this.onBlur);
295 window.addEventListener("beforeunload", this.cleanBeforeDestroy);
296 if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
297 this.loadNewchallVariant();
298 const my = this.st.user;
299 const tmpId = getRandString();
300 this.$set(
301 this.people,
302 my.sid,
303 {
304 id: my.id,
305 name: my.name,
306 tmpIds: {
307 tmpId: { page: "/", focus: true }
308 }
309 }
310 );
311 const connectAndPoll = () => {
312 this.send("connect");
313 this.send("pollclientsandgamers");
314 if (!!this.$route.query["challenge"]) {
315 // Automatic challenge sending, for tournaments
316 this.loadNewchallVariant(
317 () => {
318 this.newchallenge = {
319 fen: "",
320 vid:
321 this.st.variants
322 .find(v => v.name == this.$route.query["variant"])
323 .id,
324 to: this.$route.query["challenge"],
325 color: this.$route.query["color"] || '',
326 cadence: this.$route.query["cadence"],
327 // Tournament: no randomness (TODO: for now at least)
328 randomness: 0,
329 memorize: false
330 };
331 this.issueNewChallenge();
332 },
333 this.$route.query["variant"]
334 );
335 }
336 };
337 // Initialize connection
338 this.connexionString =
339 params.socketUrl +
340 "/?sid=" + this.st.user.sid +
341 "&id=" + this.st.user.id +
342 "&tmpId=" + tmpId +
343 "&page=" +
344 // Hall: path is "/" (TODO: could be hard-coded as well)
345 encodeURIComponent(this.$route.path);
346 this.conn = new WebSocket(this.connexionString);
347 this.conn.onopen = connectAndPoll;
348 this.conn.addEventListener("message", this.socketMessageListener);
349 this.socketCloseListener = setInterval(
350 () => {
351 if (this.conn.readyState == 3) {
352 this.conn.removeEventListener("message", this.socketMessageListener);
353 this.conn = new WebSocket(this.connexionString);
354 this.conn.addEventListener("message", this.socketMessageListener);
355 }
356 },
357 1000
358 );
359 },
360 mounted: function() {
361 document.getElementById("peopleWrap")
362 .addEventListener("click", (e) => {
363 processModalClick(e, () => {
364 this.toggleSocialColor("close")
365 });
366 });
367 ["infoDiv", "newgameDiv"].forEach(eltName => {
368 document.getElementById(eltName)
369 .addEventListener("click", processModalClick);
370 });
371 document.querySelectorAll("#predefinedCadences > button").forEach(b => {
372 b.addEventListener("click", () => {
373 this.newchallenge.cadence = b.innerHTML;
374 });
375 });
376 const dispCorr = this.$route.query["disp"];
377 const showCtype =
378 dispCorr || localStorage.getItem("type-challenges") || "live";
379 const showGtype =
380 dispCorr || localStorage.getItem("type-games") || "live";
381 this.setDisplay('c', showCtype);
382 this.setDisplay('g', showGtype);
383 // Ask server for current corr games (all but mines)
384 this.loadMoreCorr();
385 // Also ask for corr challenges (open + sent by/to me)
386 // List them all, because they are not supposed to be that many (TODO?)
387 ajax(
388 "/challenges",
389 "GET",
390 {
391 data: { uid: this.st.user.id },
392 success: (response) => {
393 if (
394 response.challenges.length > 0 &&
395 this.challenges.length == 0 &&
396 this.cdisplay == "live"
397 ) {
398 document
399 .getElementById("btnCcorr")
400 .classList.add("somethingnew");
401 }
402 // Gather all senders names, and then retrieve full identity:
403 // (TODO [perf]: some might be online...)
404 let names = {};
405 response.challenges.forEach(c => {
406 if (c.uid != this.st.user.id) names[c.uid] = "";
407 else if (!!c.target && c.target != this.st.user.id)
408 names[c.target] = "";
409 });
410 const addChallenges = () => {
411 names[this.st.user.id] = this.st.user.name; //in case of
412 this.challenges = this.challenges.concat(
413 response.challenges.map(c => {
414 const from = { name: names[c.uid], id: c.uid }; //or just name
415 const type = this.classifyObject(c);
416 const vname = this.getVname(c.vid);
417 return Object.assign(
418 {},
419 {
420 type: type,
421 vname: vname,
422 from: from,
423 to: c.target ? names[c.target] : ""
424 },
425 c
426 );
427 })
428 );
429 };
430 if (Object.keys(names).length > 0) {
431 ajax(
432 "/users",
433 "GET",
434 {
435 data: { ids: Object.keys(names).join(",") },
436 success: (response2) => {
437 response2.users.forEach(u => {
438 names[u.id] = u.name;
439 });
440 addChallenges();
441 }
442 }
443 );
444 } else addChallenges();
445 }
446 }
447 );
448 },
449 beforeDestroy: function() {
450 this.cleanBeforeDestroy();
451 },
452 methods: {
453 cleanBeforeDestroy: function() {
454 clearInterval(this.socketCloseListener);
455 document.removeEventListener('visibilitychange', this.visibilityChange);
456 window.removeEventListener('focus', this.onFocus);
457 window.removeEventListener('blur', this.onBlur);
458 window.removeEventListener("beforeunload", this.cleanBeforeDestroy);
459 this.conn.removeEventListener("message", this.socketMessageListener);
460 this.send("disconnect");
461 this.conn = null;
462 },
463 getRandomnessClass: function(pc) {
464 return {
465 ["random-" + pc.randomness]: true
466 };
467 },
468 anonymousCount: function() {
469 let count = 0;
470 Object.values(this.people).forEach(p => {
471 // Do not cound people who did not send their identity yet:
472 count += (!p.name && p.id === 0) ? 1 : 0;
473 });
474 return count;
475 },
476 visibilityChange: function() {
477 // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
478 this.focus = (document.visibilityState == "visible");
479 this.send(this.focus ? "getfocus" : "losefocus");
480 },
481 onFocus: function() {
482 this.focus = true;
483 this.send("getfocus");
484 },
485 onBlur: function() {
486 this.focus = false;
487 this.send("losefocus");
488 },
489 invColor: function(c) {
490 if (c == 'w') return this.st.tr["Black"];
491 return this.tr.tr["White"];
492 },
493 partialResetNewchallenge: function() {
494 // Reset potential target and custom FEN:
495 this.newchallenge.to = "";
496 this.newchallenge.color = '';
497 this.newchallenge.fen = "";
498 this.newchallenge.diag = "";
499 this.newchallenge.memorize = false;
500 },
501 showNewchallengeForm: function() {
502 this.partialResetNewchallenge();
503 window.doClick("modalNewgame");
504 },
505 addPresetChall: function(chall) {
506 // Add only if not already existing:
507 if (this.presetChalls.some(c =>
508 c.vid == chall.vid &&
509 c.cadence == chall.cadence &&
510 c.randomness == chall.randomness
511 )) {
512 return;
513 }
514 const L = this.presetChalls.length;
515 this.presetChalls.push({
516 index: L,
517 vid: chall.vid,
518 vname: chall.vname, //redundant, but easier
519 cadence: chall.cadence,
520 randomness: chall.randomness
521 });
522 localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
523 },
524 removePresetChall: function(e, pchall) {
525 e.stopPropagation();
526 const pchallIdx =
527 this.presetChalls.findIndex(pc => pc.index == pchall.index);
528 this.presetChalls.splice(pchallIdx, 1);
529 localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
530 },
531 tchallButtonsMargin: function() {
532 if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
533 return {};
534 },
535 changeChallTarget: function() {
536 if (!this.newchallenge.to) {
537 // Reset potential FEN + diagram
538 this.newchallenge.fen = "";
539 this.newchallenge.color = '';
540 this.newchallenge.diag = "";
541 }
542 },
543 cadenceFocusIfOpened: function() {
544 if (event.target.checked)
545 document.getElementById("cadence").focus();
546 },
547 send: function(code, obj) {
548 if (!!this.conn && this.conn.readyState == 1) {
549 this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
550 }
551 },
552 getVname: function(vid) {
553 const variant = this.st.variants.find(v => v.id == vid);
554 // this.st.variants might be uninitialized (variant == null)
555 return variant ? variant.name : "";
556 },
557 filterChallenges: function(type) {
558 return this.challenges.filter(c => c.type == type);
559 },
560 filterGames: function(type) {
561 return this.games.filter(g => g.type == type);
562 },
563 // o: challenge or game
564 classifyObject: function(o) {
565 // No imported games here
566 return (
567 o.cadence.indexOf("d") >= 0
568 ? "corr"
569 : (o.cadence.indexOf("/") >= 0 ? "simul" : "live")
570 );
571 },
572 setDisplay: function(letter, type, e) {
573 this[letter + "display"] = type;
574 localStorage.setItem(
575 "type-" + (letter == "c" ? "challenges" : "games"),
576 type
577 );
578 let elt = e
579 ? e.target
580 : document.getElementById("btn" + letter.toUpperCase() + type);
581 elt.classList.add("active");
582 elt.classList.remove("somethingnew"); //in case of
583 if (!!elt.previousElementSibling)
584 elt.previousElementSibling.classList.remove("active");
585 else elt.nextElementSibling.classList.remove("active");
586 },
587 isGamer: function(sid) {
588 return Object.values(this.people[sid].tmpIds)
589 .some(v => v.focus && v.page.indexOf("/game/") >= 0);
590 },
591 isFocusedOnHall: function(sid) {
592 return (
593 // This is meant to challenge people, thus the next 2 conditions:
594 this.st.user.id > 0 &&
595 sid != this.st.user.sid &&
596 Object.values(this.people[sid].tmpIds)
597 .some(v => v.focus && v.page == "/")
598 );
599 },
600 challenge: function(sid) {
601 this.partialResetNewchallenge();
602 // Available, in Hall
603 this.newchallenge.to = this.people[sid].name;
604 // TODO: also store target sid to not re-search for it
605 document.getElementById("modalPeople").checked = false;
606 window.doClick("modalNewgame");
607 },
608 watchGame: function(sid) {
609 // In some game, maybe playing maybe not: show a random one
610 let gids = [];
611 Object.values(this.people[sid].tmpIds).forEach(v => {
612 if (v.focus) {
613 const matchGid = v.page.match(/[a-zA-Z0-9]+$/);
614 if (!!matchGid) gids.push(matchGid[0]);
615 }
616 });
617 const gid = gids[Math.floor(Math.random() * gids.length)];
618 window.open("/#/game/" + gid, "_blank");
619 },
620 showGame: function(g) {
621 // NOTE: we are an observer, since only games I don't play are shown here
622 // ==> Moves sent by connected remote player(s) if live game
623 window.open("/#/game/" + g.id, "_blank");
624 },
625 toggleSocialColor: function(action) {
626 if (!action && document.getElementById("modalPeople").checked)
627 document.getElementById("inputChat").focus();
628 else
629 document.getElementById("peopleBtn").classList.remove("somethingnew");
630 },
631 processChat: function(chat) {
632 this.send("newchat", { data: chat });
633 },
634 getOppsid: function(c) {
635 let oppsid = c.from.sid; //may not be defined if corr + offline opp
636 if (!oppsid) {
637 oppsid = Object.keys(this.people).find(
638 sid => this.people[sid].id == c.from.id
639 );
640 }
641 return oppsid;
642 },
643 // Messaging center:
644 socketMessageListener: function(msg) {
645 if (!this.conn) return;
646 const data = JSON.parse(msg.data);
647 switch (data.code) {
648 case "pollclientsandgamers": {
649 // TODO: shuffling and random filtering on server,
650 // if the room is really crowded.
651 Object.keys(data.sockIds).forEach(sid => {
652 if (sid != this.st.user.sid) {
653 // Pick a target tmpId (+page) at random:
654 const pt = Object.values(data.sockIds[sid]);
655 const randPage = pt[randInt(pt.length)].page;
656 this.send(
657 "askidentity",
658 {
659 target: sid,
660 page: randPage
661 }
662 );
663 }
664 if (!this.people[sid])
665 // Do not set name or id: identity unknown yet
666 this.people[sid] = { tmpIds: data.sockIds[sid] };
667 else
668 Object.assign(this.people[sid].tmpIds, data.sockIds[sid]);
669 if (Object.values(data.sockIds[sid]).some(v => v.page == "/"))
670 // Peer is in Hall
671 this.send("askchallenges", { target: sid });
672 Object.values(data.sockIds[sid]).forEach(v => {
673 if (
674 v.page.indexOf("/game/") >= 0 &&
675 !v.page.match(/\/[0-9]+$/)
676 ) {
677 // Peer is in Game: ask only if live game
678 this.send("askgame", { target: sid, page: v.page });
679 }
680 });
681 });
682 break;
683 }
684 case "connect":
685 case "gconnect": {
686 const page = data.page || "/";
687 if (data.code == "connect") {
688 // Ask challenges only on first connexion:
689 if (!this.people[data.from[0]])
690 this.send("askchallenges", { target: data.from[0] });
691 }
692 // Ask game only if live:
693 else if (!page.match(/\/[0-9]+$/))
694 this.send("askgame", { target: data.from[0], page: page });
695 if (!this.people[data.from[0]]) {
696 this.$set(
697 this.people,
698 data.from[0],
699 {
700 tmpIds: {
701 [data.from[1]]: { page: page, focus: true }
702 }
703 }
704 );
705 // For self multi-connects tests:
706 this.newConnect[data.from[0]] = true;
707 this.send("askidentity", { target: data.from[0], page: page });
708 } else {
709 this.people[data.from[0]].tmpIds[data.from[1]] =
710 { page: page, focus: true };
711 this.$forceUpdate(); //TODO: shouldn't be required
712 }
713 break;
714 }
715 case "disconnect":
716 case "gdisconnect": {
717 // If the user reloads the page twice very quickly
718 // (experienced with Firefox), the first reload won't have time to
719 // connect but will trigger a "close" event anyway.
720 // ==> Next check is required.
721 if (!this.people[data.from[0]]) return;
722 delete this.people[data.from[0]].tmpIds[data.from[1]];
723 if (Object.keys(this.people[data.from[0]].tmpIds).length == 0)
724 this.$delete(this.people, data.from[0]);
725 else this.$forceUpdate(); //TODO: shouldn't be required
726 if (data.code == "disconnect") {
727 // Remove the live challenges sent by this player, if
728 // he isn't connected on another tab:
729 if (
730 !this.people[data.from[0]] ||
731 Object.values(this.people[data.from[0]].tmpIds)
732 .every(v => v.page != "/")
733 ) {
734 ArrayFun.remove(
735 this.challenges,
736 c => c.type == "live" && c.from.sid == data.from[0],
737 "all"
738 );
739 }
740 } else {
741 // Remove the matching live game if now unreachable
742 const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
743 // Corr games are always reachable:
744 if (!gid.match(/^[0-9]+$/)) {
745 // Live games are reachable if someone is on the game page
746 if (Object.values(this.people).every(p =>
747 Object.values(p.tmpIds).every(v => v.page != data.page))
748 ) {
749 ArrayFun.remove(this.games, g => g.id == gid);
750 }
751 }
752 }
753 break;
754 }
755 case "getfocus": {
756 let player = this.people[data.from[0]];
757 // If user reload a page, focus may arrive earlier than connect
758 if (!!player) {
759 player.tmpIds[data.from[1]].focus = true;
760 this.$forceUpdate(); //TODO: shouldn't be required
761 }
762 break;
763 }
764 case "losefocus": {
765 let player = this.people[data.from[0]];
766 if (!!player) {
767 player.tmpIds[data.from[1]].focus = false;
768 this.$forceUpdate(); //TODO: shouldn't be required
769 }
770 break;
771 }
772 case "askidentity": {
773 // Request for identification
774 const me = {
775 // Decompose to avoid revealing email
776 name: this.st.user.name,
777 sid: this.st.user.sid,
778 id: this.st.user.id
779 };
780 this.send("identity", { data: me, target: data.from });
781 break;
782 }
783 case "identity": {
784 const user = data.data;
785 let player = this.people[user.sid];
786 // player.tmpIds is already set
787 player.id = user.id;
788 player.name = user.name;
789 // TODO: this.$set(people, ...) fails. So forceUpdate.
790 // But this shouldn't be like that!
791 this.$forceUpdate();
792 // If I multi-connect, kill current connexion if no mark (I'm older)
793 if (this.newConnect[user.sid]) {
794 delete this.newConnect[user.sid];
795 if (
796 user.id > 0 &&
797 user.id == this.st.user.id &&
798 user.sid != this.st.user.sid
799 ) {
800 // I logged in elsewhere:
801 this.cleanBeforeDestroy();
802 alert(this.st.tr["New connexion detected: tab now offline"]);
803 }
804 }
805 break;
806 }
807 case "askchallenges": {
808 // Send my current live challenges (if any)
809 const myChallenges = this.challenges
810 .filter(c =>
811 c.from.sid == this.st.user.sid && c.type == "live"
812 )
813 .map(c => {
814 // NOTE: in principle, should only send targeted challenge to the
815 // target. But we may not know yet the identity of the target
816 // (just name), so can't decide if data.from is the target.
817 return {
818 id: c.id,
819 from: this.st.user.sid,
820 to: c.to,
821 randomness: c.randomness,
822 fen: c.fen,
823 vid: c.vid,
824 cadence: c.cadence,
825 added: c.added
826 };
827 });
828 if (myChallenges.length > 0)
829 this.send("challenges", { data: myChallenges, target: data.from });
830 break;
831 }
832 case "challenges": //after "askchallenges"
833 data.data.forEach(this.addChallenge);
834 break;
835 case "newchallenge":
836 this.addChallenge(data.data);
837 break;
838 case "refusechallenge": {
839 const cid = data.data;
840 ArrayFun.remove(this.challenges, c => c.id == cid);
841 alert(this.st.tr["Challenge declined"]);
842 break;
843 }
844 case "deletechallenge_s": {
845 // NOTE: the challenge(s) may be already removed
846 const cref = data.data;
847 if (!!cref.cid)
848 ArrayFun.remove(this.challenges, c => c.id == cref.cid);
849 else if (!!cref.sids) {
850 cref.sids.forEach(s => {
851 ArrayFun.remove(
852 this.challenges,
853 c => c.type == "live" && c.from.sid == s,
854 "all"
855 );
856 });
857 }
858 break;
859 }
860 case "entersimul":
861 // TODO: confirm box accept/refuse.
862 // If accept, update seat (array in this case)
863 break;
864 case "game": // Individual request
865 case "newgame": {
866 const game = data.data;
867 // Ignore games where I play (will go in MyGames page),
868 // and also games that I already received.
869 if (
870 this.games.findIndex(g => g.id == game.id) == -1 &&
871 game.players.every(p => {
872 return (
873 p.sid != this.st.user.sid &&
874 (p.id == 0 || p.id != this.st.user.id)
875 );
876 })
877 ) {
878 let newGame = game;
879 newGame.type = this.classifyObject(game);
880 newGame.vname = this.getVname(game.vid);
881 if (!game.score)
882 // New game from Hall
883 newGame.score = "*";
884 this.games.push(newGame);
885 if (
886 newGame.score == '*' &&
887 (newGame.type == "live" && this.gdisplay == "corr") ||
888 (newGame.type == "corr" && this.gdisplay == "live")
889 ) {
890 document
891 .getElementById("btnG" + newGame.type)
892 .classList.add("somethingnew");
893 }
894 }
895 break;
896 }
897 case "result": {
898 let g = this.games.find(g => g.id == data.gid);
899 if (!!g) g.score = data.score;
900 break;
901 }
902 case "startgame": {
903 // New game just started, I'm involved
904 const gameInfo = data.data;
905 if (this.classifyObject(gameInfo) == "live")
906 this.startNewGame(gameInfo);
907 else {
908 this.infoMessage =
909 this.st.tr["New correspondence game:"] + " " +
910 "<a href='#/game/" + gameInfo.id + "'>" +
911 "#/game/" + gameInfo.id + "</a>";
912 document.getElementById("modalInfo").checked = true;
913 }
914 break;
915 }
916 case "newchat":
917 this.$refs["chatcomp"].newChat(data.data);
918 if (!document.getElementById("modalPeople").checked)
919 document.getElementById("peopleBtn").classList.add("somethingnew");
920 break;
921 }
922 },
923 loadMoreCorr: function() {
924 ajax(
925 "/observedgames",
926 "GET",
927 {
928 data: {
929 uid: this.st.user.id,
930 cursor: this.cursor
931 },
932 success: (res) => {
933 const L = res.games.length;
934 if (L > 0) {
935 if (
936 this.cursor == Number.MAX_SAFE_INTEGER &&
937 this.games.length == 0 &&
938 this.gdisplay == "live" &&
939 res.games.some(g => g.score == '*')
940 ) {
941 // First loading: show indicators
942 document
943 .getElementById("btnGcorr")
944 .classList.add("somethingnew");
945 }
946 this.cursor = res.games[L - 1].created;
947 let moreGames = res.games.map(g => {
948 const vname = this.getVname(g.vid);
949 return Object.assign(
950 {},
951 g,
952 {
953 type: "corr",
954 vname: vname
955 }
956 );
957 });
958 this.games = this.games.concat(moreGames);
959 } else this.hasMore = false;
960 }
961 }
962 );
963 },
964 // Challenge lifecycle:
965 addChallenge: function(chall) {
966 // NOTE about next condition: see "askchallenges" case.
967 if (
968 !chall.to ||
969 (this.people[chall.from].id > 0 &&
970 (chall.from == this.st.user.sid || chall.to == this.st.user.name))
971 ) {
972 let newChall = Object.assign({}, chall);
973 newChall.type = this.classifyObject(chall);
974 newChall.randomness = chall.randomness;
975 newChall.added = Date.now();
976 let fromValues = Object.assign({}, this.people[chall.from]);
977 delete fromValues["pages"]; //irrelevant in this context
978 newChall.from = Object.assign({ sid: chall.from }, fromValues);
979 newChall.vname = this.getVname(newChall.vid);
980 this.challenges.push(newChall);
981 if (
982 (newChall.type == "live" && this.cdisplay == "corr") ||
983 (newChall.type == "corr" && this.cdisplay == "live")
984 ) {
985 document
986 .getElementById("btnC" + newChall.type)
987 .classList.add("somethingnew");
988 }
989 if (!!chall.to) {
990 notify(
991 "New challenge",
992 // fromValues.name should exist since the player is online, but
993 // let's consider there is some chance that the challenge arrives
994 // right after we connected and before receiving the poll result:
995 { body: "from " + (fromValues.name || "unknown yet...") }
996 );
997 }
998 }
999 },
1000 loadNewchallVariant: async function(cb, vname) {
1001 vname = vname || this.getVname(this.newchallenge.vid);
1002 await import("@/variants/" + vname + ".js")
1003 .then((vModule) => {
1004 window.V = vModule[vname + "Rules"];
1005 this.newchallenge.V = window.V;
1006 this.newchallenge.vname = vname;
1007 if (!!cb) cb();
1008 });
1009 },
1010 trySetNewchallDiag: function() {
1011 if (!this.newchallenge.fen) {
1012 this.newchallenge.diag = "";
1013 return;
1014 }
1015 // If vid > 0 then the variant is loaded (function above):
1016 window.V = this.newchallenge.V;
1017 if (
1018 this.newchallenge.vid > 0 &&
1019 !!this.newchallenge.fen &&
1020 V.IsGoodFen(this.newchallenge.fen)
1021 ) {
1022 const parsedFen = V.ParseFen(this.newchallenge.fen);
1023 this.newchallenge.diag = getDiagram({
1024 position: parsedFen.position
1025 //,orientation: parsedFen.turn
1026 });
1027 } else this.newchallenge.diag = "";
1028 },
1029 newChallFromPreset(pchall) {
1030 this.partialResetNewchallenge();
1031 this.newchallenge.vid = pchall.vid;
1032 this.newchallenge.cadence = pchall.cadence;
1033 this.newchallenge.randomness = pchall.randomness;
1034 this.loadNewchallVariant(this.issueNewChallenge);
1035 },
1036 issueNewChallenge: async function() {
1037 if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
1038 this.newchallenge.cadence += "+0"; //assume minutes, no increment
1039 const ctype = this.classifyObject(this.newchallenge);
1040 // TODO: cadence still unchecked so ctype could be wrong...
1041 let error = "";
1042 if (!this.newchallenge.vid)
1043 error = this.st.tr["Please select a variant"];
1044 else if (ctype == "corr" && this.st.user.id <= 0)
1045 error = this.st.tr["Please log in to play correspondence games"];
1046 else if (!this.newchallenge.to && !!this.newchallenge.color)
1047 error = this.st.tr["Color option only for targeted challenge"];
1048 else if (!!this.newchallenge.to) {
1049 if (this.newchallenge.to == this.st.user.name)
1050 error = this.st.tr["Self-challenge is forbidden"];
1051 else if (
1052 ctype == "live" &&
1053 Object.values(this.people).every(p => p.name != this.newchallenge.to)
1054 ) {
1055 error = this.newchallenge.to + " " + this.st.tr["is not online"];
1056 }
1057 if (
1058 !!this.newchallenge.color &&
1059 !['w', 'b'].includes(this.newchallenge.color)
1060 ) {
1061 error = this.st.tr["Wrong color"];
1062 }
1063 }
1064 if (!!error) {
1065 alert(error);
1066 return;
1067 }
1068 window.V = this.newchallenge.V;
1069 error = checkChallenge(this.newchallenge);
1070 if (error) {
1071 alert(error);
1072 return;
1073 }
1074 // NOTE: "from" information is not required here
1075 let chall = Object.assign({}, this.newchallenge);
1076 // Add only if not already issued (not counting FEN):
1077 if (this.challenges.some(c =>
1078 (
1079 c.from.sid == this.st.user.sid ||
1080 (c.from.id > 0 && c.from.id == this.st.user.id)
1081 )
1082 &&
1083 (
1084 (!c.to && !chall.to) ||
1085 c.to == chall.to
1086 )
1087 &&
1088 c.vid == chall.vid &&
1089 c.cadence == chall.cadence &&
1090 c.randomness == chall.randomness
1091 )) {
1092 alert(this.st.tr["Challenge already exists"]);
1093 return;
1094 }
1095 if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
1096 delete chall["V"];
1097 delete chall["diag"];
1098 const finishAddChallenge = cid => {
1099 chall.id = cid || "c" + getRandString();
1100 const MAX_ALLOWED_CHALLS = 3;
1101 // Remove oldest challenge if 3 found: only 3 at a time of a given type
1102 let countMyChalls = 0;
1103 let challToDelIdx = 0;
1104 let oldestAdded = Number.MAX_SAFE_INTEGER;
1105 for (let i=0; i<this.challenges.length; i++) {
1106 const c = this.challenges[i];
1107 if (
1108 c.type == ctype &&
1109 (
1110 c.from.sid == this.st.user.sid ||
1111 (c.from.id > 0 && c.from.id == this.st.user.id)
1112 )
1113 ) {
1114 countMyChalls++;
1115 if (c.added < oldestAdded) {
1116 challToDelIdx = i;
1117 oldestAdded = c.added;
1118 }
1119 }
1120 }
1121 if (countMyChalls >= MAX_ALLOWED_CHALLS) {
1122 this.send(
1123 "deletechallenge_s",
1124 { data: { cid: this.challenges[challToDelIdx].id } }
1125 );
1126 if (ctype == "corr") {
1127 ajax(
1128 "/challenges",
1129 "DELETE",
1130 { data: { id: this.challenges[challToDelIdx].id } }
1131 );
1132 }
1133 this.challenges.splice(challToDelIdx, 1);
1134 }
1135 this.send("newchallenge", {
1136 data: Object.assign({ from: this.st.user.sid }, chall)
1137 });
1138 // Add new challenge:
1139 chall.from = {
1140 sid: this.st.user.sid,
1141 id: this.st.user.id,
1142 name: this.st.user.name
1143 };
1144 chall.added = Date.now();
1145 // NOTE: vname and type are redundant (deduced from cadence + vid)
1146 chall.type = ctype;
1147 chall.vname = this.newchallenge.vname;
1148 this.challenges.push(chall);
1149 // Remember cadence + vid for quicker further challenges:
1150 localStorage.setItem("cadence", chall.cadence);
1151 localStorage.setItem("vid", chall.vid);
1152 localStorage.setItem("challRandomness", chall.randomness);
1153 document.getElementById("modalNewgame").checked = false;
1154 // Show the challenge if not on current display
1155 if (
1156 (ctype == "live" && this.cdisplay == "corr") ||
1157 (ctype == "corr" && this.cdisplay == "live")
1158 ) {
1159 this.setDisplay('c', ctype);
1160 }
1161 };
1162 if (ctype == "live") {
1163 // Live challenges have a random ID
1164 finishAddChallenge(null);
1165 } else {
1166 // Correspondence game: send challenge to server
1167 ajax(
1168 "/challenges",
1169 "POST",
1170 {
1171 data: { chall: chall },
1172 success: (response) => {
1173 finishAddChallenge(response.id);
1174 }
1175 }
1176 );
1177 }
1178 },
1179 // Callback function after a diagram was showed to accept
1180 // or refuse targetted challenge:
1181 decisionChallenge: function(accepted) {
1182 this.curChallToAccept.accepted = accepted;
1183 this.finishProcessingChallenge(this.curChallToAccept);
1184 document.getElementById("modalAccept").checked = false;
1185 },
1186 finishProcessingChallenge: function(c) {
1187 if (c.accepted) {
1188 c.seat = {
1189 sid: this.st.user.sid,
1190 id: this.st.user.id,
1191 name: this.st.user.name
1192 };
1193 this.launchGame(c);
1194 if (c.type == "live") {
1195 // Remove all live challenges of both players
1196 this.send(
1197 "deletechallenge_s",
1198 { data: { sids: [c.from.sid, c.seat.sid] } }
1199 );
1200 }
1201 else
1202 // Corr challenge: just remove the challenge
1203 this.send("deletechallenge_s", { data: { cid: c.id } });
1204 } else {
1205 const oppsid = this.getOppsid(c);
1206 if (!!oppsid)
1207 this.send("refusechallenge", { data: c.id, target: oppsid });
1208 if (c.type == "corr") {
1209 ajax(
1210 "/challenges",
1211 "DELETE",
1212 { data: { id: c.id } }
1213 );
1214 }
1215 this.send("deletechallenge_s", { data: { cid: c.id } });
1216 }
1217 },
1218 // TODO: if several players click same challenge at the same time: problem
1219 clickChallenge: async function(c) {
1220 const myChallenge =
1221 c.from.sid == this.st.user.sid || //live
1222 (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1223 if (!myChallenge) {
1224 if (c.type == "corr" && this.st.user.id <= 0) {
1225 alert(this.st.tr["Please log in to accept corr challenges"]);
1226 return;
1227 }
1228 if (c.type == "simul") {
1229 // Just notify that I wanna enter the simultaneous game(s)
1230 // TODO: dans défi, indiquer si positions aleatoires, si tjours blancs ou noirs
1231 // --> /w30 ou b1h ou juste 30 (random, sans préfixe).
1232 // => message "entersimul" to c.from
1233 return;
1234 }
1235 else {
1236 c.accepted = true;
1237 await import("@/variants/" + c.vname + ".js")
1238 .then((vModule) => {
1239 window.V = vModule[c.vname + "Rules"];
1240 if (!!c.to) {
1241 // c.to == this.st.user.name (connected)
1242 if (!!c.fen) {
1243 const parsedFen = V.ParseFen(c.fen);
1244 this.tchallDiag = getDiagram({
1245 position: parsedFen.position,
1246 orientation: parsedFen.turn
1247 });
1248 }
1249 this.curChallToAccept = c;
1250 document.getElementById("modalAccept").checked = true;
1251 }
1252 else this.finishProcessingChallenge(c);
1253 });
1254 }
1255 }
1256 else {
1257 // My challenge
1258 if (c.type == "corr") {
1259 ajax(
1260 "/challenges",
1261 "DELETE",
1262 { data: { id: c.id } }
1263 );
1264 }
1265 else if (c.type == "simul" && !!c.seat && Array.isArray(c.seat))
1266 // TODO: if some players entered, start game
1267 this.launchSimultaneous(c);
1268 this.send("deletechallenge_s", { data: { cid: c.id } });
1269 }
1270 // In all cases, the challenge is consumed:
1271 ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1272 },
1273 // NOTE: when launching game, the challenge is already being deleted
1274 // TODO: adapt for simultaneous games, or just write a new function (better)
1275 launchSimultaneous: function(c) {
1276 // TODO
1277 },
1278 launchGame: function(c) {
1279 // White player index 0, black player index 1:
1280 let players =
1281 !!c.color
1282 ? (c.color == "w" ? [c.from, c.seat] : [c.seat, c.from])
1283 : shuffle([c.from, c.seat]);
1284 players.forEach(p => {
1285 if (!!p["tmpIds"]) delete p["tmpIds"];
1286 });
1287 // These game informations will be shared
1288 let gameInfo = {
1289 id: getRandString(),
1290 fen: c.fen || V.GenRandInitFen(c.randomness),
1291 randomness: c.randomness, //for rematch
1292 players: players,
1293 vid: c.vid,
1294 cadence: c.cadence
1295 };
1296 const notifyNewgame = () => {
1297 const oppsid = this.getOppsid(c);
1298 if (!!oppsid)
1299 // Opponent is online
1300 this.send("startgame", { data: gameInfo, target: oppsid });
1301 // If new corr game, notify Hall (except opponent and me)
1302 if (c.type == "corr") {
1303 this.send(
1304 "newgame",
1305 {
1306 data: gameInfo,
1307 excluded: [this.st.user.sid, oppsid]
1308 }
1309 );
1310 }
1311 // Notify MyGames page:
1312 this.send(
1313 "notifynewgame",
1314 {
1315 data: gameInfo,
1316 targets: gameInfo.players
1317 }
1318 );
1319 // NOTE: no need to send the game to the room, since I'll connect
1320 // on game just after, the main Hall will be notified.
1321 };
1322 if (c.type == "live") {
1323 notifyNewgame();
1324 this.startNewGame(gameInfo);
1325 } else {
1326 // corr: game only on server
1327 ajax(
1328 "/games",
1329 "POST",
1330 {
1331 // cid is useful to delete the challenge:
1332 data: {
1333 gameInfo: gameInfo,
1334 cid: c.id
1335 },
1336 success: (response) => {
1337 gameInfo.id = response.id;
1338 notifyNewgame();
1339 this.$router.push("/game/" + response.id);
1340 }
1341 }
1342 );
1343 }
1344 },
1345 // NOTE: for live games only (corr games start on the server)
1346 startNewGame: function(gameInfo) {
1347 const game = Object.assign(
1348 {},
1349 gameInfo,
1350 {
1351 // (other) Game infos: constant
1352 fenStart: gameInfo.fen,
1353 vname: this.getVname(gameInfo.vid),
1354 created: Date.now(),
1355 // Game state (including FEN): will be updated
1356 moves: [],
1357 clocks: [-1, -1], //-1 = unstarted
1358 chats: [],
1359 score: "*"
1360 }
1361 );
1362 setTimeout(
1363 () => {
1364 const myIdx = (game.players[0].sid == this.st.user.sid ? 0 : 1);
1365 GameStorage.add(game, (err) => {
1366 // If an error occurred, game is not added: the focused tab
1367 // already added the game.
1368 if (!this.focus) {
1369 if (this.st.settings.sound)
1370 // This will be played several times if several hidden tabs
1371 // on Hall... TODO: fix that (how ?!)
1372 new Audio("/sounds/newgame.flac").play().catch(() => {});
1373 notify(
1374 "New live game",
1375 { body: "vs " + game.players[1-myIdx].name || "@nonymous" }
1376 );
1377 }
1378 this.$router.push("/game/" + gameInfo.id);
1379 });
1380 },
1381 this.focus ? 0 : 500 + 1000 * Math.random()
1382 );
1383 }
1384 }
1385 };
1386 </script>
1387
1388 <style lang="sass" scoped>
1389 .active
1390 color: #388e3c
1391
1392 #infoDiv > .card
1393 padding: 15px 0
1394 max-width: 430px
1395
1396 #newgameDiv > .card, #acceptDiv > .card
1397 max-width: 767px
1398 max-height: 100%
1399
1400 div#peopleWrap > .card
1401 max-height: 100%
1402
1403 @media screen and (min-width: 1281px)
1404 div#peopleWrap > .card
1405 max-width: 66.67%
1406
1407 @media screen and (max-width: 1280px)
1408 div#peopleWrap > .card
1409 max-width: 83.33%
1410
1411 @media screen and (max-width: 767px)
1412 div#peopleWrap > .card
1413 max-width: 100%
1414
1415 #players
1416 width: 50%
1417 position: relative
1418 float: left
1419
1420 #chat
1421 width: 50%
1422 float: left
1423 position: relative
1424
1425 @media screen and (max-width: 767px)
1426 #players, #chats
1427 width: 100%
1428
1429 #chat > .card
1430 max-width: 100%
1431 margin: 0;
1432 border: none;
1433
1434 #players > p
1435 margin-left: 5px
1436
1437 .anonymous
1438 font-style: italic
1439
1440 button.player-action
1441 margin-left: 32px
1442 &.focused
1443 background-color: #E6D271
1444
1445 .somethingnew
1446 background-color: #90C4EC !important
1447
1448 .tabbtn
1449 background-color: #f9faee
1450
1451 button.acceptBtn
1452 background-color: lightgreen
1453 button.refuseBtn
1454 background-color: red
1455
1456 #buttonsTchall
1457 // margin-top set dynamically (depends if diagram showed or not)
1458 & > button > span
1459 width: 100%
1460 text-align: center
1461
1462 .variantName
1463 font-weight: bold
1464
1465 .diagram
1466 margin: 0 auto
1467 max-width: 400px
1468 // width: 100% required for Firefox
1469 width: 100%
1470
1471 #inputFen
1472 width: 100%
1473
1474 #div2, #div3
1475 margin-top: 15px
1476 @media screen and (max-width: 767px)
1477 #div2, #div3
1478 margin-top: 0
1479
1480 .user-bio
1481 display: inline
1482
1483 tr > td
1484 &.random-0
1485 background-color: #FF5733
1486 &.random-1
1487 background-color: #2B63B4
1488 &.random-2
1489 background-color: #33B42B
1490
1491 @media screen and (max-width: 767px)
1492 h4
1493 margin: 5px 0
1494
1495 button#loadMoreBtn
1496 display: block
1497 margin: 0 auto
1498
1499 td.remove-preset
1500 background-color: lightgrey
1501 text-align: center
1502 & > img
1503 height: 1em
1504 </style>