From f55ba62a00a9256b8879d373c4a1460581b22eb1 Mon Sep 17 00:00:00 2001
From: Julius Haertl <jus@bitgrid.net>
Date: Thu, 28 Jul 2016 22:33:17 +0200
Subject: [PATCH] Move to svg filter on app menu to support IE9+

---
 core/css/header.css            | 13 ++++---------
 core/templates/layout.user.php | 10 ++++++++--
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/core/css/header.css b/core/css/header.css
index 9c3a60281a..673e657f00 100644
--- a/core/css/header.css
+++ b/core/css/header.css
@@ -210,27 +210,22 @@
 	text-overflow:ellipsis;
 }
 	/* icon opacity and hover effect */
-	#navigation a img,
+	#navigation a svg,
 	#navigation a span {
 		-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
 		opacity: .5;
 	}
-	#navigation a:hover img,
-	#navigation a:focus img,
+	#navigation a:hover svg,
+	#navigation a:focus svg,
 	#navigation a:hover span,
 	#navigation a:focus span,
-	#navigation a.active img,
+	#navigation a.active svg,
 	#navigation a.active span {
 		-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=75)";
 		opacity: .75;
 	}
 
 #navigation .app-icon {
-	-webkit-filter: invert(100%);
-	-moz-filter: invert(100%);
-	-o-filter: invert(100%);
-	-ms-filter: "progid:DXImageTransform.Microsoft.Invert(100%)";
-	filter: invert(100%);
 	margin: 0 auto;
 	padding: 0;
 	max-height: 32px;
diff --git a/core/templates/layout.user.php b/core/templates/layout.user.php
index b3b492ecac..37e03b692c 100644
--- a/core/templates/layout.user.php
+++ b/core/templates/layout.user.php
@@ -113,7 +113,10 @@
 					<li data-id="<?php p($entry['id']); ?>">
 						<a href="<?php print_unescaped($entry['href']); ?>" tabindex="3"
 							<?php if( $entry['active'] ): ?> class="active"<?php endif; ?>>
-							<img class="app-icon" alt="" src="<?php print_unescaped($entry['icon']); ?>">
+							<svg width="32" height="32" viewBox="0 0 32 32">
+								<defs><filter id="invert"><feColorMatrix in="SourceGraphic" type="matrix" values="-1 0 0 0 1 0 -1 0 0 1 0 0 -1 0 1 0 0 0 1 0" /></filter></defs>
+								<image x="0" y="0" width="32" height="32" preserveAspectRatio="true" filter="url(#invert)" xlink:href="<?php print_unescaped($entry['icon']); ?>"  class="app-icon"/>
+							</svg>
 							<div class="icon-loading-dark" style="display:none;"></div>
 							<span>
 								<?php p($entry['name']); ?>
@@ -128,7 +131,10 @@
 					<li id="apps-management">
 						<a href="<?php print_unescaped(\OC::$server->getURLGenerator()->linkToRoute('settings.AppSettings.viewApps')); ?>" tabindex="4"
 							<?php if( $_['appsmanagement_active'] ): ?> class="active"<?php endif; ?>>
-							<img class="app-icon" alt="" src="<?php print_unescaped(image_path('settings', 'apps.svg')); ?>">
+							<svg width="32" height="32" viewBox="0 0 32 32" class="app-icon">
+								<defs><filter id="invert"><feColorMatrix in="SourceGraphic" type="matrix" values="-1 0 0 0 1 0 -1 0 0 1 0 0 -1 0 1 0 0 0 1 0" /></filter></defs>
+								<image x="0" y="0" width="32" height="32" preserveAspectRatio="true" filter="url(#invert)" xlink:href="<?php print_unescaped(image_path('settings', 'apps.svg')); ?>"/>
+							</svg>
 							<div class="icon-loading-dark" style="display:none;"></div>
 							<span>
 								<?php p($l->t('Apps')); ?>