I am using google visualization for charts, which doesn't render very well in IE8, and doesn't work at all in IE6.
I added google chrome frame, and if the user installs the plug-in google visualization works flawlessly.
Is there a way that I can force IE users to install GFC? Right now it is optional. I read the documentation, and there does not seem to be a way to configure this through the GFCInstall.check() function call.
Here is my current code:
<!--[if IE]>
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/chrome-frame/1/CFInstall.min.js"></script>
<style>
.chromeFrameInstallDefaultStyle {
border: 5px solid blue;
top:55%;
}
</style>
<script>
// The conditional ensures that this code will only execute in IE,
// Therefore we can use the IE-specific attachEvent without worry
window.attachEvent("onload", function() {
CFInstall.check({
mode: "inline"
});
});
</script>
<![endif]-->
It would almost certainly be better to do this via capability-sniffing. Assuming that the feature you need to get nice visualisations is <canvas>
support, sniff for that rather than a specific browser:
if (!('width' in document.createElement('canvas'))) {
document.write(
'The visualisations on this page don\'t work well in your current browser. '+
'Please upgrade to a modern browser such as IE9, Firefox, Opera, Safari or '+
'Chrome, or install Chrome Frame for earlier IE versions.'
);
}
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