From 05a19373e90976b82c2bd81626aee27a79eb4b2d Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Mon, 5 Jul 2021 21:31:58 +0900
Subject: Implement backwards find

---
 src/background/clients/FindClient.ts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/background/clients')

diff --git a/src/background/clients/FindClient.ts b/src/background/clients/FindClient.ts
index 863c5ad..b46b964 100644
--- a/src/background/clients/FindClient.ts
+++ b/src/background/clients/FindClient.ts
@@ -3,6 +3,8 @@ import * as messages from "../../shared/messages";
 export default interface FindClient {
   findNext(tabId: number, frameId: number, keyword: string): Promise<boolean>;
 
+  findPrev(tabId: number, frameId: number, keyword: string): Promise<boolean>;
+
   clearSelection(tabId: number, frameId: number): Promise<void>;
 }
 
@@ -20,6 +22,19 @@ export class FindClientImpl implements FindClient {
     return found;
   }
 
+  async findPrev(
+    tabId: number,
+    frameId: number,
+    keyword: string
+  ): Promise<boolean> {
+    const found = (await browser.tabs.sendMessage(
+      tabId,
+      { type: messages.FIND_PREV, keyword },
+      { frameId }
+    )) as boolean;
+    return found;
+  }
+
   clearSelection(tabId: number, frameId: number): Promise<void> {
     return browser.tabs.sendMessage(
       tabId,
-- 
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