1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
<!doctype html>
<html>
<!--
Copyright 2013 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<title>goog.labs.style.PixelDensityMonitor</title>
<script src="../base.js"></script>
<script>
goog.require('goog.debug.DivConsole');
goog.require('goog.events');
goog.require('goog.labs.style.PixelDensityMonitor');
goog.require('goog.labs.style.PixelDensityMonitor.Density');
goog.require('goog.log');
</script>
<link rel="stylesheet" href="css/demo.css">
</head>
<body>
<h1>goog.labs.style.PixelDensityMonitor</h1>
<div>
Move between high dpi and normal screens to see density change events.
</div>
<fieldset class="goog-debug-panel">
<legend>Event log</legend>
<div class="log" id="log"></div>
</fieldset>
<script>
var logger = goog.log.getLogger('PixelDensityMonitor');
new goog.debug.DivConsole(goog.dom.getElement('log')).setCapturing(true);
var monitor = new goog.labs.style.PixelDensityMonitor();
monitor.start();
var densityMap = goog.object.create(
goog.labs.style.PixelDensityMonitor.Density.NORMAL, 'NORMAL',
goog.labs.style.PixelDensityMonitor.Density.HIGH, 'HIGH');
goog.events.listen(monitor,
goog.labs.style.PixelDensityMonitor.EventType.CHANGE,
function() {
goog.log.info(logger, 'Density change: ' + densityMap[monitor.getDensity()]);
});
goog.log.info(logger, 'Starting density: ' + densityMap[monitor.getDensity()]);
</script>
</body>
</html>
|
