From 13896fc5de39d5e238b28c9a3710001acdf994d0 Mon Sep 17 00:00:00 2001
From: Dominik Schilling <ocean90@git.wordpress.org>
Date: Tue, 5 Jul 2016 14:37:06 +0000
Subject: [PATCH] Themes: Avoid announcing the theme search results too many
 times.

Props afercia.
Fixes #36848.

git-svn-id: https://develop.svn.wordpress.org/trunk@37967 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/js/theme.js | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/wp-admin/js/theme.js b/src/wp-admin/js/theme.js
index d532618585..7165540a39 100644
--- a/src/wp-admin/js/theme.js
+++ b/src/wp-admin/js/theme.js
@@ -1103,7 +1103,13 @@ themes.view.Themes = wp.Backbone.View.extend({
 		this.liveThemeCount = this.collection.count ? this.collection.count : this.collection.length;
 		this.count.text( this.liveThemeCount );
 
-		this.announceSearchResults( this.liveThemeCount );
+		/*
+		 * In the theme installer the themes count is already announced
+		 * because `announceSearchResults` is called on `query:success`.
+		 */
+		if ( ! themes.isInstall ) {
+			this.announceSearchResults( this.liveThemeCount );
+		}
 	},
 
 	// Iterates through each instance of the collection
@@ -1459,6 +1465,8 @@ themes.view.InstallerSearch =  themes.view.Search.extend({
 		'keyup': 'search'
 	},
 
+	terms: '',
+
 	// Handles Ajax request for searching through themes in public repo
 	search: function( event ) {
 
@@ -1480,6 +1488,14 @@ themes.view.InstallerSearch =  themes.view.Search.extend({
 	doSearch: _.debounce( function( value ) {
 		var request = {};
 
+		// Don't do anything if the search terms haven't changed.
+		if ( this.terms === value ) {
+			return;
+		}
+
+		// Updates terms with the value passed.
+		this.terms = value;
+
 		request.search = value;
 
 		// Intercept an [author] search.