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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 | } |