https://daz.tools/js/device.js

1(function() {
2  var _addClass, _doc_element, _find, _handleOrientation, _hasClass, _orientation_event, _removeClass, _supports_orientation, _user_agent;
3
4  window.device = {};
5
6  _doc_element = window.document.documentElement;
7
8  _user_agent = window.navigator.userAgent.toLowerCase();
9
10  device.ios = function() {
11    return device.iphone() || device.ipod() || device.ipad();
12  };
13
14  device.iphone = function() {
15    return _find('iphone');
16  };
17
18  device.ipod = function() {
19    return _find('ipod');
20  };
21
22  device.ipad = function() {
23    return _find('ipad');
24  };
25
26  device.android = function() {
27    return _find('android');
28  };
29
30  device.androidPhone = function() {
31    return device.android() && _find('mobile');
32  };
33
34  device.androidTablet = function() {
35    return device.android() && !_find('mobile');
36  };
37
38  device.blackberry = function() {
39    return _find('blackberry') || _find('bb10') || _find('rim');
40  };
41
42  device.blackberryPhone = function() {
43    return device.blackberry() && !_find('tablet');
44  };
45
46  device.blackberryTablet = function() {
47    return device.blackberry() && _find('tablet');
48  };
49
50  device.windows = function() {
51    return _find('windows');
52  };
53
54  device.windowsPhone = function() {
55    return device.windows() && _find('phone');
56  };
57
58  device.windowsTablet = function() {
59    return device.windows() && _find('touch');
60  };
61
62  device.fxos = function() {
63    return _find('(mobile; rv:') || _find('(tablet; rv:');
64  };
65
66  device.fxosPhone = function() {
67    return device.fxos() && _find('mobile');
68  };
69
70  device.fxosTablet = function() {
71    return device.fxos() && _find('tablet');
72  };
73
74  device.mobile = function() {
75    return device.androidPhone() || device.iphone() || device.ipod() || device.windowsPhone() || device.blackberryPhone() || device.fxosPhone();
76  };
77
78  device.tablet = function() {
79    return device.ipad() || device.androidTablet() || device.blackberryTablet() || device.windowsTablet() || device.fxosTablet();
80  };
81
82  device.portrait = function() {
83    return Math.abs(window.orientation) !== 90;
84  };
85
86  device.landscape = function() {
87    return Math.abs(window.orientation) === 90;
88  };
89
90  _find = function(needle) {
91    return _user_agent.indexOf(needle) !== -1;
92  };
93
94  _hasClass = function(class_name) {
95    var regex;
96    regex = new RegExp(class_name, 'i');
97    return _doc_element.className.match(regex);
98  };
99
100  _addClass = function(class_name) {
101    if (!_hasClass(class_name)) {
102      return _doc_element.className += " " + class_name;
103    }
104  };
105
106  _removeClass = function(class_name) {
107    if (_hasClass(class_name)) {
108      return _doc_element.className = _doc_element.className.replace(class_name, "");
109    }
110  };
111
112  if (device.ios()) {
113    if (device.ipad()) {
114      _addClass("ios ipad tablet");
115    } else if (device.iphone()) {
116      _addClass("ios iphone mobile");
117    } else if (device.ipod()) {
118      _addClass("ios ipod mobile");
119    }
120  } else if (device.android()) {
121    if (device.androidTablet()) {
122      _addClass("android tablet");
123    } else {
124      _addClass("android mobile");
125    }
126  } else if (device.blackberry()) {
127    if (device.blackberryTablet()) {
128      _addClass("blackberry tablet");
129    } else {
130      _addClass("blackberry mobile");
131    }
132  } else if (device.windows()) {
133    if (device.windowsTablet()) {
134      _addClass("windows tablet");
135    } else if (device.windowsPhone()) {
136      _addClass("windows mobile");
137    } else {
138      _addClass("desktop");
139    }
140  } else if (device.fxos()) {
141    if (device.fxosTablet()) {
142      _addClass("fxos tablet");
143    } else {
144      _addClass("fxos mobile");
145    }
146  } else {
147    _addClass("desktop");
148  }
149
150  _handleOrientation = function() {
151    if (device.landscape()) {
152      _removeClass("portrait");
153      return _addClass("landscape");
154    } else {
155      _removeClass("landscape");
156      return _addClass("portrait");
157    }
158  };
159
160  _supports_orientation = "onorientationchange" in window;
161
162  _orientation_event = _supports_orientation ? "orientationchange" : "resize";
163
164  if (window.addEventListener) {
165    window.addEventListener(_orientation_event, _handleOrientation, false);
166  } else if (window.attachEvent) {
167    window.attachEvent(_orientation_event, _handleOrientation);
168  } else {
169    window[_orientation_event] = _handleOrientation;
170  }
171
172  _handleOrientation();
173
174}).call(this);