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/**
* Remote control by:
*
* @authors Pacien TRAN-GIRARD
*/
(function(window) {
var ORIGIN_ = location.protocol + '//' + location.host;
function SlideController(deck) {
this.deck = deck;
this.mode = null;
this.remoteSocket = null;
this.isPresenter = window.opener;
this.keyLock = null;
this.setup();
}
SlideController.MODES = ['local', 'remote', 'controller'];
SlideController.prototype.setup = function() {
var self = this;
// find the current mode
var params = location.search.substring(1).split('&').map(function(el) {
return el.split('=');
});
var paramKeys = params[0];
SlideController.MODES.forEach(function(element, index, array) {
if (paramKeys.indexOf(element) > -1) {
self.mode = element;
return;
}
});
console.log("Control mode: " + this.mode);
// clean the location bar
// if (this.mode !== null) {
// // localStorage.ENABLE_PRESENTOR_MODE = presentMe;
// if (window.history.pushState) {
// window.history.pushState({}, '', location.pathname);
// } else if (window.history.replaceState) {
// window.history.replaceState({}, '', location.pathname);
// }
// // else {
// // location.replace(location.pathname);
// // return false;
// // }
// }
// activate the mode specific behaviour
switch (this.mode) {
case 'local':
// Only open popup from main deck. Avoid recursive popupception.
if (!this.isPresenter) {
var opts = 'menubar=no,location=yes,resizable=yes,scrollbars=no,status=no';
var localPresenter = window.open(location.href, 'mywindow', opts);
// Loading in the popup? Turn the presenter mode on.
localPresenter.addEventListener('load', function(e) {
localPresenter.document.body.classList.add('with-notes');
}.bind(this), false);
window.addEventListener('message', this.onMessage_.bind(this), false);
// Close popups if we reload the main window.
window.addEventListener('beforeunload', function(e) {
localPresenter.close();
}.bind(this), false);
}
break;
case 'controller':
this.isPresenter = true;
document.body.classList.add('popup');
document.body.classList.add('with-notes');
var password = prompt("Broadcaster password");
case 'remote':
var addr = this.deck.config_.settings.remoteSocket;
var channel = this.deck.config_.settings.remoteChannel;
var password = (password != null) ? password : '';
require([addr + 'socket.io/socket.io.js'], function(io) {
self.remoteSocket = io.connect(addr, {
'query' : 'channel=' + channel + '&password=' + password,
'force new connection' : true,
});
self.remoteSocket.on('connect', function() {
var message = 'Connected to ' + channel + '@' + addr;
console.log(message);
alert(message);
});
self.remoteSocket.on('disconnect', function() {
var message = 'Diconnected from' + channel + '@' + addr;
console.log(message);
alert(message);
});
self.remoteSocket.on('message', function(message) {
console.log('Received from remote: ' + message);
self.onMessage_({
data : {
keyCode : parseInt(message[0])
}
});
});
});
break;
}
return true;
};
SlideController.prototype.onMessage_ = function(e) {
var data = e.data;
console.log("Received event: " + JSON.stringify(data));
// Restrict messages to being from this origin. Allow local developmet
// from file:// though.
// TODO: It would be dope if FF implemented location.origin!
if (this.mode === 'local' && e.origin != ORIGIN_ && ORIGIN_.indexOf('file://') != 0) {
alert('Someone tried to postMessage from an unknown origin');
return;
}
// if (e.source.location.hostname != 'localhost') {
// alert('Someone tried to postMessage from an unknown origin');
// return;
// }
if ('keyCode' in data) {
if (isNaN(data.keyCode)) {
return;
}
this.keyLock = data.keyCode;
var evt = document.createEvent('Event');
evt.initEvent('keydown', true, true);
evt.keyCode = data.keyCode;
document.dispatchEvent(evt);
}
};
SlideController.prototype.sendMsg = function(msg) {
if (msg.keyCode === this.keyLock) {
this.keyLock = null;
return;
}
console.log("Sending: " + JSON.stringify(msg));
// // Send message to popup window.
// if (this.localPresenter) {
// this.localPresenter.postMessage(msg, ORIGIN_);
// }
// Send message to main window.
if (this.isPresenter) {
if (this.mode === 'local') {
// TODO: It would be dope if FF implemented location.origin.
window.opener.postMessage(msg, '*');
}
if (this.mode === 'controller') {
this.remoteSocket.emit('message', msg.keyCode);
}
}
};
window.SlideController = SlideController;
})(window);
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