From 8ef57936d7ab25c723d4da2d655b742cdcf8c84a Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Mon, 23 Dec 2019 11:59:47 -0500
Subject: Add functionality for getting and observing zoom factor

---
 ext/mixed/js/api.js  | 4 ++++
 ext/mixed/js/core.js | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'ext/mixed/js')

diff --git a/ext/mixed/js/api.js b/ext/mixed/js/api.js
index 9f0835b0..5ec93b01 100644
--- a/ext/mixed/js/api.js
+++ b/ext/mixed/js/api.js
@@ -105,6 +105,10 @@ function apiGetDisplayTemplatesHtml() {
     return _apiInvoke('getDisplayTemplatesHtml');
 }
 
+function apiGetZoom() {
+    return _apiInvoke('getZoom');
+}
+
 function _apiInvoke(action, params={}) {
     const data = {action, params};
     return new Promise((resolve, reject) => {
diff --git a/ext/mixed/js/core.js b/ext/mixed/js/core.js
index 7fc01c94..0142d594 100644
--- a/ext/mixed/js/core.js
+++ b/ext/mixed/js/core.js
@@ -244,7 +244,8 @@ const yomichan = (() => {
 
             this._messageHandlers = new Map([
                 ['getUrl', this._onMessageGetUrl.bind(this)],
-                ['optionsUpdate', this._onMessageOptionsUpdate.bind(this)]
+                ['optionsUpdate', this._onMessageOptionsUpdate.bind(this)],
+                ['zoomChanged', this._onMessageZoomChanged.bind(this)]
             ]);
 
             chrome.runtime.onMessage.addListener(this._onMessage.bind(this));
@@ -274,6 +275,10 @@ const yomichan = (() => {
         _onMessageOptionsUpdate({source}) {
             this.trigger('optionsUpdate', {source});
         }
+
+        _onMessageZoomChanged({oldZoomFactor, newZoomFactor}) {
+            this.trigger('zoomChanged', {oldZoomFactor, newZoomFactor});
+        }
     }
 
     return new Yomichan();
-- 
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