| 1 | /****************************** |
| 2 | * JavaScript for talk slides * |
| 3 | * by Robert Kaiser * |
| 4 | * <kairo@kairo.at> * |
| 5 | * (for FOSDEM 2007) * |
| 6 | ******************************/ |
| 7 | |
| 8 | // do timed color variation on slides |
| 9 | var slide_seconds = 3*60; |
| 10 | var slide_start = new Date(); |
| 11 | |
| 12 | function timerFired() { |
| 13 | var slide_current = new Date(); |
| 14 | var seconds_diff = Math.round((slide_current.getTime() - slide_start.getTime()) / 1000); |
| 15 | if (seconds_diff >= slide_seconds) { |
| 16 | document.getElementById("header-text").className = "overtime"; |
| 17 | } |
| 18 | else if (seconds_diff >= Math.round(2*slide_seconds/3)) { |
| 19 | document.getElementById("header-text").className = "ontime"; |
| 20 | setTimeout("timerFired()", 1000*(slide_seconds/3)); |
| 21 | } |
| 22 | else if (seconds_diff >= Math.round(slide_seconds/3)) { |
| 23 | document.getElementById("header-text").className = "neartime"; |
| 24 | setTimeout("timerFired()", 1000*(slide_seconds/3)); |
| 25 | } |
| 26 | else { |
| 27 | // we should never come here, but if we do, go into a 1s loop until we get over the upcoming step |
| 28 | setTimeout("timerFired()", 1000); |
| 29 | } |
| 30 | } |
| 31 | setTimeout("timerFired()", 1000*(slide_seconds/3)); |
| 32 | |
| 33 | (function() { |
| 34 | function go(where) { |
| 35 | where = where || "next"; |
| 36 | var links = document.getElementsByTagName("link"); |
| 37 | for (var i = 0; i < links.length; ++i) { |
| 38 | if (links[i].rel == where) { |
| 39 | window.location.href = links[i].href; |
| 40 | break; |
| 41 | } |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | function handleClick(e) { |
| 46 | e = e || event; |
| 47 | var target = (window.event) ? e.srcElement : e.target; |
| 48 | if (e.which == 1 && target.nodeName != "A" && target.nodeName != "VIDEO") |
| 49 | go("next"); |
| 50 | } |
| 51 | |
| 52 | function handleKeyPress(e) { |
| 53 | e = e || event; |
| 54 | switch (e.keyCode) { |
| 55 | case e.DOM_VK_LEFT: |
| 56 | go("previous"); break; |
| 57 | case e.DOM_VK_RIGHT: |
| 58 | go("next"); break; |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | window.onclick = handleClick; |
| 63 | window.onkeypress = handleKeyPress; |
| 64 | })(); |
| 65 | |
| 66 | // end slide |
| 67 | function showEvent() { |
| 68 | document.getElementById("eventbox").style.display = "block"; |
| 69 | document.getElementById("eventtext").style.display = "block"; |
| 70 | } |