From 129aae38df1a17a5850898d5832bb8112ead3cbb Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Sun, 6 May 2018 22:30:04 +0900
Subject: Indicator shows the add-on enabled

---
 src/content/components/common/index.js      | 14 ++++++++++++++
 src/content/components/top-content/index.js |  7 +++++++
 2 files changed, 21 insertions(+)

(limited to 'src/content/components')

diff --git a/src/content/components/common/index.js b/src/content/components/common/index.js
index 565632c..c5d1df7 100644
--- a/src/content/components/common/index.js
+++ b/src/content/components/common/index.js
@@ -14,10 +14,12 @@ export default class Common {
     input.onKey(key => keymapper.key(key));
 
     this.store = store;
+    this.prevEnabled = this.store.getState().addon.enabled;
 
     this.reloadSettings();
 
     messages.onMessage(this.onMessage.bind(this));
+    store.subscribe(() => this.update());
   }
 
   onMessage(message) {
@@ -27,6 +29,18 @@ export default class Common {
     }
   }
 
+  update() {
+    let enabled = this.store.getState().addon.enabled;
+    if (enabled !== this.prevEnabled) {
+      this.prevEnabled = enabled;
+
+      browser.runtime.sendMessage({
+        type: messages.ADDON_ENABLED_RESPONSE,
+        enabled,
+      });
+    }
+  }
+
   reloadSettings() {
     browser.runtime.sendMessage({
       type: messages.SETTINGS_QUERY,
diff --git a/src/content/components/top-content/index.js b/src/content/components/top-content/index.js
index cf21ec4..cb9e160 100644
--- a/src/content/components/top-content/index.js
+++ b/src/content/components/top-content/index.js
@@ -48,11 +48,18 @@ export default class TopContent {
   }
 
   onMessage(message) {
+    let addonState = this.store.getState().addon;
+
     switch (message.type) {
     case messages.CONSOLE_UNFOCUS:
       this.win.focus();
       consoleFrames.blur(window.document);
       return Promise.resolve();
+    case messages.ADDON_ENABLED_QUERY:
+      return Promise.resolve({
+        type: messages.ADDON_ENABLED_RESPONSE,
+        enabled: addonState.enabled,
+      });
     }
   }
 }
-- 
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