Created
August 30, 2011 03:38
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Hack Showoff to remotely drive presentation
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require "showoff" | |
require 'pusher' | |
Pusher.app_id = 'insert Pusher app id here' | |
Pusher.key = 'insert Pusher key here' | |
Pusher.secret = 'insert Pusher secret here' | |
class PresentationController | |
def initialize(app) | |
@app = app | |
end | |
def call(env) | |
req = Rack::Request.new(env) | |
if req.path == '/slide' | |
if req.params['sekret'] == 'SecurityThroughObscurityFTW' | |
Pusher['presenter'].trigger('slide_change', { | |
'slide' => req.params['num'] | |
}) | |
end | |
[ 204, {}, [] ] | |
else | |
@app.call env | |
end | |
end | |
end | |
use PresentationController | |
run ShowOff.new |
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// Copy pusher.js from http://js.pusherapp.com/1.9/pusher.min.js and dump here. | |
var presenter = /presenter=(.*)/.exec(window.location.search), | |
sekret = presenter && presenter[1]; | |
if (sekret) { | |
$(function() { | |
$('body').bind('showoff:show', function() { | |
$.post('/slide', { sekret: sekret, num: slidenum }); | |
}); | |
}); | |
} else { | |
// Enable pusher logging - don't include this in production | |
Pusher.log = function(message) { | |
if (window.console && window.console.log) window.console.log(message); | |
}; | |
new Pusher('insert Pusher key here') | |
.subscribe('presenter') | |
.bind('slide_change', function(data) { | |
Pusher.log('slide_change', data.slide); | |
gotoSlide(data.slide); | |
}); | |
} |
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