- Patch #1217788 by droplet: drop IE7 support from Drupal 8.x.

core/misc/tableheader.js

@@ -98,10 +98,6 @@ Drupal.tableHeader.prototype.eventhandlerRecalculateStickyHeader = function (eve
     // Resize header and its cell widths.
     this.stickyHeaderCells.each(function (index) {
       var cellWidth = self.originalHeaderCells.eq(index).css('width');
-      // Exception for IE7.
-      if (cellWidth == 'auto') {
-        cellWidth = self.originalHeaderCells.get(index).clientWidth + 'px';
-      }
       $(this).css('width', cellWidth);
     });
     this.stickyTable.css('width', this.originalTable.css('width'));

core/misc/vertical-tabs.css

@@ -2,12 +2,10 @@
 div.vertical-tabs {
   margin: 1em 0 1em 15em; /* LTR */
   border: 1px solid #ccc;
-  position: relative; /* IE7 */
 }
 .vertical-tabs ul.vertical-tabs-list {
   width: 15em;
   list-style: none;
-  list-style-image: none; /* IE7 */
   border-top: 1px solid #ccc;
   padding: 0;
   margin: -1px 0 -1px -15em; /* LTR */
@@ -29,7 +27,6 @@ fieldset.vertical-tabs-pane > legend {
   border-top: 0;
   padding: 0;
   margin: 0;
-  min-width: 0; /* IE7 */
 }
 .vertical-tabs ul.vertical-tabs-list li a {
   display: block;

core/modules/book/book.theme-rtl.css

@@ -11,9 +11,6 @@
   float: right;
   text-align: right;
 }
-.book-pager .up {
-  *float: right;
-}
 .book-pager .next {
   float: left;
   text-align: left;

core/modules/book/book.theme.css

@@ -18,12 +18,8 @@
 }
 .book-pager li {
   display: inline-block;
-  *display: inline;
-  /* Prevents a line break caused by the float in .page-next in IE7. */
-  *float: left; /* LTR */
   list-style-type: none;
   vertical-align: top;
-  zoom: 1;
 }
 .book-pager .previous {
   text-align: left; /* LTR */

core/modules/overlay/overlay-parent.js

@@ -421,10 +421,7 @@ Drupal.overlay.eventhandlerAlterDisplacedElements = function (event) {
   $(this.iframeWindow.document.body).css({
     marginTop: Drupal.overlay.getDisplacement('top'),
     marginBottom: Drupal.overlay.getDisplacement('bottom')
-  })
-  // IE7 isn't reflowing the document immediately.
-  // @todo This might be fixed in a cleaner way.
-  .addClass('overlay-trigger-reflow').removeClass('overlay-trigger-reflow');
+  });
 
   var documentHeight = this.iframeWindow.document.body.clientHeight;
   var documentWidth = this.iframeWindow.document.body.clientWidth;
@@ -873,18 +870,6 @@ Drupal.overlay.getDisplacement = function (region) {
  *   the entire page.
  */
 Drupal.overlay.makeDocumentUntabbable = function (context) {
-  // Manipulating tabindexes for the entire document is unacceptably slow in IE6
-  // and IE7, so in those browsers, the underlying page will still be reachable
-  // via the tab key. However, we still make the links within the Disable
-  // message unreachable, because the same message also exists within the
-  // child document. The duplicate copy in the underlying document is only for
-  // assisting screen-reader users navigating the document with reading commands
-  // that follow markup order rather than tab order.
-  if (jQuery.browser.msie && parseInt(jQuery.browser.version, 10) < 8) {
-    $('#overlay-disable-message a', context).attr('tabindex', -1);
-    return;
-  }
-
   context = context || document.body;
   var $overlay, $tabbable, $hasTabindex;
 
@@ -920,31 +905,12 @@ Drupal.overlay.makeDocumentUntabbable = function (context) {
  *   the entire page.
  */
 Drupal.overlay.makeDocumentTabbable = function (context) {
-  // Manipulating tabindexes is unacceptably slow in IE6 and IE7. In those
-  // browsers, the underlying page was never made unreachable via tab, so
-  // there is no work to be done here.
-  if (jQuery.browser.msie && parseInt(jQuery.browser.version, 10) < 8) {
-    return;
-  }
-
   var $needsTabindex;
   context = context || document.body;
 
   // Make the underlying document tabbable again by removing all existing
   // tabindex attributes.
-  var $tabindex = $('[tabindex]', context);
-  if (jQuery.browser.msie && parseInt(jQuery.browser.version, 10) < 8) {
-    // removeAttr('tabindex') is broken in IE6-7, but the DOM function
-    // removeAttribute works.
-    var i;
-    var length = $tabindex.length;
-    for (i = 0; i < length; i++) {
-      $tabindex[i].removeAttribute('tabIndex');
-    }
-  }
-  else {
-    $tabindex.removeAttr('tabindex');
-  }
+  $('[tabindex]', context).removeAttr('tabindex');
 
   // Restore the tabindex attributes that existed before the overlay was opened.
   $needsTabindex = $(Drupal.overlay._hasTabindex, context);

core/modules/system/system.base.css

@@ -227,7 +227,6 @@ html.js .js-hide {
  */
 .element-invisible {
   position: absolute !important;
-  clip: rect(1px 1px 1px 1px); /* IE7 */
   clip: rect(1px, 1px, 1px, 1px);
 }
 
@@ -255,10 +254,6 @@ html.js .js-hide {
   clear: both;
 }
 
-.clearfix {
-  zoom: 1; /* hasLayout trigger to clear floats in IE */
-}
-
 /**
  * Block-level HTML5 display definition.
  *

core/themes/seven/ie.css

-
-/* IE7 renders legends in nested fieldsets without a width. */
-fieldset legend {
-  height: 1%;
-}
-
 /* IE renders absolute positioned legend where fieldset content starts. */
 fieldset .fieldset-legend {
   left: 0;

core/themes/seven/ie7.css

-
-ul.tabs.primary {
-  padding: 0;
-}
-ul.primary li,
-ul.primary li a,
-ul.primary li.active a {
-  float: none !important;
-  display: inline;
-}
-ul.primary li,
-ul.primary li a,
-ul.primary li a.active,
-ul.primary li a:active,
-ul.primary li a:visited,
-ul.primary li a:hover,
-ul.primary li.active a {
-  zoom: 1;
-  position: relative;
-}
-ul.admin-list li {
-  position: static;
-}

core/themes/seven/reset.css

@@ -200,10 +200,3 @@ ul.inline:after {
   display: none;
   clear: none;
 }
-/* IE7 */
-*:first-child + html .form-item,
-*:first-child + html ul.links,
-*:first-child + html div.admin-panel .body,
-*:first-child + html .clearfix {
-  min-height: 1%;
-}

core/themes/seven/template.php

@@ -18,8 +18,6 @@ function seven_preprocess_maintenance_page(&$vars) {
 function seven_preprocess_html(&$vars) {
   // Add conditional CSS for IE8 and below.
   drupal_add_css(path_to_theme() . '/ie.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 8', '!IE' => FALSE), 'weight' => 999, 'preprocess' => FALSE));
-  // Add conditional CSS for IE7 and below.
-  drupal_add_css(path_to_theme() . '/ie7.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 7', '!IE' => FALSE), 'weight' => 999, 'preprocess' => FALSE));
 }
 
 /**