From 7822230b7f969b74d3a307fe383a62be9e31c713 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sat, 7 Mar 2020 10:41:31 -0500
Subject: Use events for ClipboardMonitor

---
 ext/bg/js/backend.js           | 4 ++--
 ext/bg/js/clipboard-monitor.js | 9 +++------
 ext/bg/js/search.js            | 5 ++---
 3 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 5b7ab084..2e46088c 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -117,7 +117,7 @@ class Backend {
             chrome.tabs.create({url: chrome.runtime.getURL('/bg/guide.html')});
         }
 
-        this.clipboardMonitor.onClipboardText = this._onClipboardText.bind(this);
+        this.clipboardMonitor.on('change', this._onClipboardText.bind(this));
 
         this._sendMessageAllTabs('backendPrepared');
         chrome.runtime.sendMessage({action: 'backendPrepared'});
@@ -154,7 +154,7 @@ class Backend {
         }
     }
 
-    _onClipboardText(text) {
+    _onClipboardText({text}) {
         this._onCommandSearch({mode: 'popup', query: text});
     }
 
diff --git a/ext/bg/js/clipboard-monitor.js b/ext/bg/js/clipboard-monitor.js
index c2f41385..c102572f 100644
--- a/ext/bg/js/clipboard-monitor.js
+++ b/ext/bg/js/clipboard-monitor.js
@@ -18,18 +18,15 @@
 
 /*global apiClipboardGet, jpIsStringPartiallyJapanese*/
 
-class ClipboardMonitor {
+class ClipboardMonitor extends EventDispatcher {
     constructor() {
+        super();
         this.timerId = null;
         this.timerToken = null;
         this.interval = 250;
         this.previousText = null;
     }
 
-    onClipboardText(_text) {
-        throw new Error('Override me');
-    }
-
     start() {
         this.stop();
 
@@ -55,7 +52,7 @@ class ClipboardMonitor {
             ) {
                 this.previousText = text;
                 if (jpIsStringPartiallyJapanese(text)) {
-                    this.onClipboardText(text);
+                    this.trigger('change', {text});
                 }
             }
 
diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
index f3cba7ae..9acccb90 100644
--- a/ext/bg/js/search.js
+++ b/ext/bg/js/search.js
@@ -102,8 +102,7 @@ class DisplaySearch extends Display {
             this.wanakanaEnable.addEventListener('change', this.onWanakanaEnableChange.bind(this));
             window.addEventListener('popstate', this.onPopState.bind(this));
             window.addEventListener('copy', this.onCopy.bind(this));
-
-            this.clipboardMonitor.onClipboardText = this.onExternalSearchUpdate.bind(this);
+            this.clipboardMonitor.on('change', this.onExternalSearchUpdate.bind(this));
 
             this.updateSearchButton();
         } catch (e) {
@@ -198,7 +197,7 @@ class DisplaySearch extends Display {
         this.clipboardMonitor.setPreviousText(document.getSelection().toString().trim());
     }
 
-    onExternalSearchUpdate(text) {
+    onExternalSearchUpdate({text}) {
         this.setQuery(text);
         const url = new URL(window.location.href);
         url.searchParams.set('query', text);
-- 
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