From d7941b4ce741619bcd917dc3c9a762701f355fbc Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Sat, 3 Nov 2018 11:52:48 +0100
Subject: [PATCH] Add a helper method, in `PDFFindController`, to determine if
 matches need to be re-calculated when a new search operation occurs

---
 web/pdf_find_controller.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/web/pdf_find_controller.js b/web/pdf_find_controller.js
index 2411a9705..7279a6ae5 100644
--- a/web/pdf_find_controller.js
+++ b/web/pdf_find_controller.js
@@ -113,7 +113,7 @@ class PDFFindController {
   executeCommand(cmd, state) {
     const pdfDocument = this._pdfDocument;
 
-    if (this._state === null || cmd !== 'findagain') {
+    if (this._state === null || this._shouldDirtyMatch(cmd)) {
       this._dirtyMatch = true;
     }
     this._state = state;
@@ -198,6 +198,14 @@ class PDFFindController {
     return this._normalizedQuery;
   }
 
+  _shouldDirtyMatch(cmd) {
+    switch (cmd) {
+      case 'findagain':
+        return false;
+    }
+    return true;
+  }
+
   /**
    * Helper for multi-term search that fills the `matchesWithLength` array
    * and handles cases where one search term includes another search term (for