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<title>[39215] trunk/src/wp-content/themes/twentyseventeen: Twenty Seventeen: Fix Customizer preview display issues in IE9</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/39215">39215</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/39215","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>davidakennedy</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-11-13 23:30:53 +0000 (Sun, 13 Nov 2016)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Twenty Seventeen: Fix Customizer preview display issues in IE9
IE9 doesn't understands `vh ` (vertical height) when inside of an `iframe`. Normally IE9 will understand `vh` as the vertical height relative to the viewport, but in an `iframe`, IE9 thinks the vertical height is relative to the size of the whole page. So this fixes that when the site is viewed in the Customizer preview ?\226?\128?\147 an `iframe`.
Props laurelfulford.
Fixes <a href="https://core.trac.wordpress.org/ticket/38722">#38722</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpcontentthemestwentyseventeenfunctionsphp">trunk/src/wp-content/themes/twentyseventeen/functions.php</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunksrcwpcontentthemestwentyseventeenassetscssie9css">trunk/src/wp-content/themes/twentyseventeen/assets/css/ie9.css</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpcontentthemestwentyseventeenassetscssie9css"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: trunk/src/wp-content/themes/twentyseventeen/assets/css/ie9.css</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-content/themes/twentyseventeen/assets/css/ie9.css (rev 0)
+++ trunk/src/wp-content/themes/twentyseventeen/assets/css/ie9.css 2016-11-13 23:30:53 UTC (rev 39215)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,37 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/*
+Theme Name: Twenty Seventeen
+Description: IE9 specific styles.
+*/
+
+.has-header-image.twentyseventeen-front-page .custom-header,
+.has-header-image.home.blog .custom-header {
+ height: 300px;
+}
+
+.has-header-image .custom-header-image img,
+.has-header-image .custom-header-image video,
+.has-header-image .custom-header-image iframe {
+ min-width: 100%;
+}
+
+@media screen and (min-width: 30em) {
+
+ .has-header-image.twentyseventeen-front-page .custom-header,
+ .has-header-image.home.blog .custom-header,
+ .twentyseventeen-front-page.has-header-image .custom-header-image,
+ .home.blog.has-header-image .custom-header-image,
+ .panel-image {
+ height: 700px;
+ }
+}
+
+@media screen and (min-width: 48em) {
+
+ .has-header-image.twentyseventeen-front-page .custom-header,
+ .has-header-image.home.blog .custom-header,
+ .twentyseventeen-front-page.has-header-image .custom-header-image,
+ .home.blog.has-header-image .custom-header-image,
+ .panel-image {
+ height: 1000px;
+ }
+}
</ins></span></pre></div>
<a id="trunksrcwpcontentthemestwentyseventeenfunctionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-content/themes/twentyseventeen/functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-content/themes/twentyseventeen/functions.php 2016-11-13 18:59:21 UTC (rev 39214)
+++ trunk/src/wp-content/themes/twentyseventeen/functions.php 2016-11-13 23:30:53 UTC (rev 39215)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -356,6 +356,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'twentyseventeen-colors-dark', get_theme_file_uri( '/assets/css/colors-dark.css' ), array( 'twentyseventeen-style' ), '1.0' );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Load the Internet Explorer 9 specific stylesheet, to fix display issues in the Customizer.
+ if ( is_customize_preview() ) {
+ wp_enqueue_style( 'twentyseventeen-ie9', get_theme_file_uri( '/assets/css/ie9.css' ), array( 'twentyseventeen-style' ), '1.0' );
+ wp_style_add_data( 'twentyseventeen-ie9', 'conditional', 'IE 9' );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> // Load the Internet Explorer 8 specific stylesheet.
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'twentyseventeen-ie8', get_theme_file_uri( '/assets/css/ie8.css' ), array( 'twentyseventeen-style' ), '1.0' );
</span><span class="cx" style="display: block; padding: 0 10px"> wp_style_add_data( 'twentyseventeen-ie8', 'conditional', 'lt IE 9' );
</span></span></pre>
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