From 2da4f7909836f6688f6c9059bd68edc9df3370f1 Mon Sep 17 00:00:00 2001
From: tzugen <tzugen@riseup.net>
Date: Wed, 23 Jun 2021 17:30:16 +0200
Subject: [PATCH] Increase memory cache size

---
 detekt-config.yml                               |  1 +
 .../moire/ultrasonic/imageloader/ImageLoader.kt | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/detekt-config.yml b/detekt-config.yml
index 7fff31c3..eb76d7f7 100644
--- a/detekt-config.yml
+++ b/detekt-config.yml
@@ -45,6 +45,7 @@ complexity:
     thresholdInFiles: 20
     thresholdInClasses: 20
     thresholdInInterfaces: 20
+    thresholdInObjects: 30
   LabeledExpression:
     active: false
 
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/ImageLoader.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/ImageLoader.kt
index 9d40ad28..73862c20 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/ImageLoader.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/ImageLoader.kt
@@ -1,9 +1,13 @@
 package org.moire.ultrasonic.imageloader
 
+import android.app.ActivityManager
 import android.content.Context
+import android.content.pm.ApplicationInfo
 import android.text.TextUtils
 import android.view.View
 import android.widget.ImageView
+import androidx.core.content.ContextCompat
+import com.squareup.picasso.LruCache
 import com.squareup.picasso.Picasso
 import com.squareup.picasso.RequestCreator
 import java.io.File
@@ -35,6 +39,7 @@ class ImageLoader(
     private val picasso = Picasso.Builder(context)
         .addRequestHandler(CoverArtRequestHandler(apiClient))
         .addRequestHandler(AvatarRequestHandler(apiClient))
+        .memoryCache(LruCache(calculateMemoryCacheSize(context)))
         .build().apply {
             setIndicatorsEnabled(BuildConfig.DEBUG)
         }
@@ -179,6 +184,18 @@ class ImageLoader(
             return requested
         }
     }
+
+    private fun calculateMemoryCacheSize(context: Context): Int {
+        val am = ContextCompat.getSystemService(
+            context,
+            ActivityManager::class.java
+        )
+        val largeHeap = context.applicationInfo.flags and ApplicationInfo.FLAG_LARGE_HEAP != 0
+        val memoryClass = if (largeHeap) am!!.largeMemoryClass else am!!.memoryClass
+        // Target 25% of the available heap.
+        @Suppress("MagicNumber")
+        return (1024L * 1024L * memoryClass / 4).toInt()
+    }
 }
 
 /**