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annotate rlgterm.js @ 73:d084610a89b5

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Automatically update the lists of current games and actions. Add some window.*interval() code to getcurrent() so it will register itself as an interval and clear this interval when the list is not visible (i.e. playing or watching.) It also calls getchoices() if the user is logged in, so that will be updated as well.
author John "Elwin" Edwards <elwin@sdf.org>
date Thu, 21 Jun 2012 21:57:04 -0700
parents d7eb63cd7a16
children 2984604ce3e6
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1 /* rlgterm.js: Roguelike Gallery's driver for termemu.js */
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2
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3 // A state machine that keeps track of polling the server.
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4 var ajaxstate = {
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5 state: 0,
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6 timerID: null,
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7 clear: function () {
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8 if (this.timerID != null) {
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9 window.clearTimeout(this.timerID);
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10 this.timerID = null;
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11 }
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12 },
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13 set: function (ms) {
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14 this.clear();
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15 this.timerID = window.setTimeout(getData, ms);
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16 },
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17 gotdata: function () {
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18 this.set(1000);
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19 this.state = 1;
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20 },
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21 gotnothing: function () {
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22 if (this.state == 0) {
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23 this.set(1000);
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24 this.state = 1;
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25 }
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26 else if (this.state < 4) {
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27 this.set(4000);
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28 this.state++;
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29 }
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30 else if (session.playing) {
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31 if (this.state < 8) {
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32 this.set(15000);
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33 this.state++;
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34 }
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35 else {
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36 /* It's been over a minute. Stop polling. */
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37 this.clear();
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38 }
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39 }
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40 else {
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41 /* If watching, it can't stop polling entirely, because there
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42 * are no POST events to start it up again. */
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43 this.set(10000);
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44 }
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45 },
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46 posted: function (wasdata) {
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47 if (wasdata) {
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48 this.set(1000);
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49 this.state = 1;
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50 }
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51 else {
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52 this.set(200);
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53 this.state = 0;
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54 }
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55 }
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56 };
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57
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58 /* Data on the available games. */
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59 var games = {
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60 "rogue3": {
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61 "name": "Rogue V3",
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62 "uname": "rogue3"
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63 },
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64 "rogue4": {
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65 "name": "Rogue V4",
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66 "uname": "rogue4"
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67 },
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68 "rogue5": {
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69 "name": "Rogue V5",
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70 "uname": "rogue5"
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71 },
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72 "srogue": {
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73 "name": "Super-Rogue",
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74 "uname": "srogue"
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75 }
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76 };
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77
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78 var session = {
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79 /* The session id assigned by the server. */
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80 id: null,
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81 /* Login name and key */
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82 lname: null,
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