detective.js

(function() {
	
	var Detective = window.Detective = Backbone.Base.extend({
		
		initialize: function() {
		  snack.publisher(this);
		  this.ua = window.navigator.userAgent;
		  
		  return this;
		},
		
	  watch: function() {
	  	var orientationevent = 'onorientationchange' in window ? 'orientationchange' : 'resize';
	  	window.addEventListener(orientationevent, snack.bind(function(e) {
	  		this.publish('orientation', [this.orientation()]);
	  	}, this));
	  	
	  	return this;
	  },
	  
	  orientation: function() {
	  	if ('onorientationchange' in window)
	  	  return window.orientation & 2 ? 'landscape' : 'portrait';
	  	else
	  	  return window.innerWidth / window.innerHeight << 0 ? 'landscape' : 'portrait';
	  },
	  
	  device: function() {
	  	var processed = /(iPad.*?|iPhone.*?|iPod.*?)?;.*(CPU\s.*\d?|Android\s.*\d|MSIE.*?|BlackBerry\s.*\d?)(OS X\)|;)/i.exec(this.ua);
	  	var device = '';
	  	processed = processed ? processed : device;
	  	
	  	if (typeof processed === 'object' && typeof processed[2] === 'string') {
	  		device = processed[2];
	  		
	  		if (/iPad.*?|iPhone.*?|iPod.*?/i.test(processed[1]))
	  			device = processed[1] + ' ' + /(OS.*\d)/.exec(processed[2])[1];
	  	}
	  	
	  	return device.replace(/\s/g, '-');
	  }
		
	});
	
})();