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Reorg @viewport now that we don't need to worry about non-responsive layouts

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Chris Rebert 2015-01-21 12:41:11 -08:00
parent 55cb723e08
commit a1126ef655
3 changed files with 22 additions and 36 deletions
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18
docs/getting-started/support.md
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@ -128,23 +128,9 @@ This tag is included in all of Bootstrap's documentation and examples to ensure
See [this StackOverflow question](http://stackoverflow.com/questions/6771258/whats-the-difference-if-meta-http-equiv-x-ua-compatible-content-ie-edge) for more information.
### Internet Explorer 10 in Windows 8 and Windows Phone 8
### Internet Explorer 10 in Windows Phone 8
Internet Explorer 10 doesn't differentiate **device width** from **viewport width**, and thus doesn't properly apply the media queries in Bootstrap's CSS. Normally you'd just add a quick snippet of CSS to fix this:
{% highlight scss %}
@-ms-viewport { width: device-width; }
{% endhighlight %}
However, this doesn't work for devices running Windows Phone 8 versions older than [Update 3 (a.k.a. GDR3)](http://blogs.windows.com/windows_phone/b/wpdev/archive/2013/10/14/introducing-windows-phone-preview-for-developers.aspx), as it causes such devices to show a mostly desktop view instead of narrow "phone" view. To address this, you'll need to **include the following CSS and JavaScript to work around the bug**.
{% highlight scss %}
@-webkit-viewport { width: device-width; }
@-moz-viewport { width: device-width; }
@-ms-viewport { width: device-width; }
@-o-viewport { width: device-width; }
@viewport { width: device-width; }
{% endhighlight %}
Internet Explorer 10 in Windows Phone 8 versions older than [Update 3 (a.k.a. GDR3)](http://blogs.windows.com/windows_phone/b/wpdev/archive/2013/10/14/introducing-windows-phone-preview-for-developers.aspx) doesn't differentiate **device width** from **viewport width** in `@-ms-viewport` at-rules, and thus doesn't properly apply the media queries in Bootstrap's CSS. To address this, you'll need to **include the following JavaScript to work around the bug**.
{% highlight js %}
if (navigator.userAgent.match(/IEMobile\/10\.0/)) {

20
scss/_scaffolding.scss
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@ -20,6 +20,26 @@ html {
}
// Make viewport responsive
//
// @viewport is supposed to eventually replace <meta name="viewport">. It's manually prefixed for forward-compatibility.
//
// @viewport is also needed because IE 10+ doesn't honor <meta name="viewport"> in some cases.
// (See http://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/)
//
// However, `device-width` is broken on IE 10 on Windows (Phone) 8,
// (see http://timkadlec.com/2013/01/windows-phone-8-and-device-width/
// and https://github.com/twbs/bootstrap/issues/10497)
// and the fix for that involves a snippet of JavaScript to sniff the user agent and apply some conditional CSS.
// See http://getbootstrap.com/getting-started/#support-ie10-width for the relevant hack.
@-moz-viewport { width: device-width; }
@-ms-viewport { width: device-width; }
@-o-viewport { width: device-width; }
@-webkit-viewport { width: device-width; }
@viewport { width: device-width; }
// Body reset
html {

20
scss/_utilities-responsive.scss
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@ -16,26 +16,6 @@
}
// IE10 in Windows (Phone) 8
//
// Support for responsive views via media queries is kind of borked in IE10, for
// Surface/desktop in split view and for Windows Phone 8. This particular fix
// must be accompanied by a snippet of JavaScript to sniff the user agent and
// apply some conditional CSS to *only* the Surface/desktop Windows 8. Look at
// our Getting Started page for more information on this bug.
//
// For more information, see the following:
//
// Issue: https://github.com/twbs/bootstrap/issues/10497
// Docs: http://getbootstrap.com/getting-started/#support-ie10-width
// Source: http://timkadlec.com/2013/01/windows-phone-8-and-device-width/
// Source: http://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/
@-ms-viewport {
width: device-width;
}
// Print utilities
//
// Media queries are placed on the inside to be mixin-friendly.