From 6f63d708a002d8a55c9662a28c78138ce44b7018 Mon Sep 17 00:00:00 2001
From: Robert Messerle <rmesserle@google.com>
Date: Tue, 7 Jul 2015 15:00:14 -0700
Subject: [PATCH] fix(tabs): reduces the number of watchers by using bind-once
 syntax for non-changing items

Related to #3272
---
 src/components/tabs/js/tabsDirective.js | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/components/tabs/js/tabsDirective.js b/src/components/tabs/js/tabsDirective.js
index 250ae573e97..04561845ad5 100644
--- a/src/components/tabs/js/tabsDirective.js
+++ b/src/components/tabs/js/tabsDirective.js
@@ -137,7 +137,7 @@ function MdTabs ($mdTheming, $mdUtil, $compile) {
                   style="max-width: {{ tabWidth ? tabWidth + \'px\' : \'none\' }}"\
                   ng-repeat="tab in $mdTabsCtrl.tabs"\
                   role="tab"\
-                  aria-controls="tab-content-{{tab.id}}"\
+                  aria-controls="tab-content-{{::tab.id}}"\
                   aria-selected="{{tab.isActive()}}"\
                   aria-disabled="{{tab.scope.disabled || \'false\'}}"\
                   ng-click="$mdTabsCtrl.select(tab.getIndex())"\
@@ -149,32 +149,32 @@ function MdTabs ($mdTheming, $mdUtil, $compile) {
                   ng-disabled="tab.scope.disabled"\
                   md-swipe-left="$mdTabsCtrl.nextPage()"\
                   md-swipe-right="$mdTabsCtrl.previousPage()"\
-                  md-template="tab.label"\
-                  md-scope="tab.parent"></md-tab-item>\
+                  md-template="::tab.label"\
+                  md-scope="::tab.parent"></md-tab-item>\
               <md-ink-bar ng-hide="$mdTabsCtrl.noInkBar"></md-ink-bar>\
             </md-pagination-wrapper>\
             <div class="md-visually-hidden md-dummy-wrapper">\
               <md-dummy-tab\
                   class="md-tab"\
                   tabindex="-1"\
-                  id="tab-item-{{tab.id}}"\
+                  id="tab-item-{{::tab.id}}"\
                   role="tab"\
-                  aria-controls="tab-content-{{tab.id}}"\
+                  aria-controls="tab-content-{{::tab.id}}"\
                   aria-selected="{{tab.isActive()}}"\
                   aria-disabled="{{tab.scope.disabled || \'false\'}}"\
                   ng-focus="$mdTabsCtrl.hasFocus = true"\
                   ng-blur="$mdTabsCtrl.hasFocus = false"\
                   ng-repeat="tab in $mdTabsCtrl.tabs"\
-                  md-template="tab.label"\
-                  md-scope="tab.parent"></md-dummy-tab>\
+                  md-template="::tab.label"\
+                  md-scope="::tab.parent"></md-dummy-tab>\
             </div>\
           </md-tabs-canvas>\
         </md-tabs-wrapper>\
         <md-tabs-content-wrapper ng-show="$mdTabsCtrl.hasContent">\
           <md-tab-content\
-              id="tab-content-{{tab.id}}"\
+              id="tab-content-{{::tab.id}}"\
               role="tabpanel"\
-              aria-labelledby="tab-item-{{tab.id}}"\
+              aria-labelledby="tab-item-{{::tab.id}}"\
               md-swipe-left="$mdTabsCtrl.swipeContent && $mdTabsCtrl.incrementSelectedIndex(1)"\
               md-swipe-right="$mdTabsCtrl.swipeContent && $mdTabsCtrl.incrementSelectedIndex(-1)"\
               ng-if="$mdTabsCtrl.hasContent"\
@@ -188,8 +188,8 @@ function MdTabs ($mdTheming, $mdUtil, $compile) {
                 \'md-no-scroll\':     $mdTabsCtrl.dynamicHeight\
               }">\
             <div\
-                md-template="tab.template"\
-                md-scope="tab.parent"\
+                md-template="::tab.template"\
+                md-scope="::tab.parent"\
                 ng-if="tab.shouldRender()"></div>\
           </md-tab-content>\
         </md-tabs-content-wrapper>\