From bebd70b4e2d8da54b556b488d68a5111f3ff20c1 Mon Sep 17 00:00:00 2001
From: siikamiika <siikamiika@users.noreply.github.com>
Date: Sat, 26 Oct 2019 16:39:43 +0300
Subject: [PATCH] remember search history

---
 ext/bg/js/search.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
index 6481e16a..d66e68b8 100644
--- a/ext/bg/js/search.js
+++ b/ext/bg/js/search.js
@@ -58,6 +58,8 @@ class DisplaySearch extends Display {
                 window.wanakana.bind(this.query);
             }
 
+            window.addEventListener('popstate', (e) => this.onPopState(e));
+
             this.updateSearchButton();
         } catch (e) {
             this.onError(e);
@@ -95,10 +97,23 @@ class DisplaySearch extends Display {
 
         const query = this.query.value;
         const queryString = query.length > 0 ? `?query=${encodeURIComponent(query)}` : '';
-        window.history.replaceState(null, '', `${window.location.pathname}${queryString}`);
+        window.history.pushState({query}, '', `${window.location.pathname}${queryString}`);
         this.onSearchQueryUpdated(query, true);
     }
 
+    onPopState(e) {
+        let query = '';
+        if (e.state && e.state.query) {
+            query = e.state.query
+        }
+
+        if (this.query !== null) {
+            this.query.value = query;
+        }
+
+        this.onSearchQueryUpdated(query, false);
+    }
+
     onKeyDown(e) {
         const key = Display.getKeyFromEvent(e);