From 06c3f57f62e24cfa54b9df5204a4865b0f685779 Mon Sep 17 00:00:00 2001
From: arkon <eugcheung94@gmail.com>
Date: Fri, 3 Apr 2020 21:39:55 -0400
Subject: [PATCH] Cache source package icons

---
 .../eu/kanade/tachiyomi/extension/ExtensionManager.kt     | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
index 991bb4ffa4..48284ed44a 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
@@ -50,6 +50,8 @@ class ExtensionManager(
      */
     private val installedExtensionsRelay = BehaviorRelay.create<List<Extension.Installed>>()
 
+    private val iconMap = mutableMapOf<String, Drawable>()
+
     /**
      * List of the currently installed extensions.
      */
@@ -61,8 +63,10 @@ class ExtensionManager(
 
     fun getAppIconForSource(source: Source): Drawable? {
         val pkgName = installedExtensions.find { ext -> ext.sources.any { it.id == source.id } }?.pkgName
-        return if (pkgName != null) context.packageManager.getApplicationIcon(pkgName)
-        else null
+        if (pkgName != null) {
+            return iconMap[pkgName] ?: iconMap.getOrPut(pkgName) { context.packageManager.getApplicationIcon(pkgName) }
+        }
+        return null
     }
 
     /**