From 7ce25938eb7d4c4dba818733dc69f20dce21d71d Mon Sep 17 00:00:00 2001
From: Saalim Quadri <danascape@gmail.com>
Date: Mon, 13 Oct 2025 23:49:44 +0530
Subject: [PATCH] feat: Fix blinking of search results while installing an app

Signed-off-by: Saalim Quadri <danascape@gmail.com>
---
 .../ui/applicationlist/ApplicationDiffUtil.kt | 20 +++++++++++++
 .../ApplicationListRVAdapter.kt               | 28 +++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/app/src/main/java/foundation/e/apps/ui/applicationlist/ApplicationDiffUtil.kt b/app/src/main/java/foundation/e/apps/ui/applicationlist/ApplicationDiffUtil.kt
index aea640d79..006bc9273 100644
--- a/app/src/main/java/foundation/e/apps/ui/applicationlist/ApplicationDiffUtil.kt
+++ b/app/src/main/java/foundation/e/apps/ui/applicationlist/ApplicationDiffUtil.kt
@@ -19,6 +19,7 @@ package foundation.e.apps.ui.applicationlist
 
 import androidx.recyclerview.widget.DiffUtil
 import foundation.e.apps.data.application.data.Application
+import foundation.e.apps.data.enums.Status
 import foundation.e.apps.di.CommonUtilsModule.LIST_OF_NULL
 
 class ApplicationDiffUtil : DiffUtil.ItemCallback<Application>() {
@@ -29,4 +30,23 @@ class ApplicationDiffUtil : DiffUtil.ItemCallback<Application>() {
     override fun areContentsTheSame(oldItem: Application, newItem: Application): Boolean {
         return oldItem == newItem
     }
+
+    override fun getChangePayload(oldItem: Application, newItem: Application): Any? {
+        // If only the status changed, trigger partial update
+        val status = oldItem.status != newItem.status
+        val id = oldItem._id == newItem._id
+        val presentation =
+            oldItem.name == newItem.name &&
+                    oldItem.package_name == newItem.package_name &&
+                    oldItem.icon_image_path == newItem.icon_image_path
+
+        if (status && id && presentation) {
+            return StatusChangePayload(newItem.status)
+        }
+
+        // Else
+        return null
+    }
+
+    data class StatusChangePayload(val newStatus: Status)
 }
diff --git a/app/src/main/java/foundation/e/apps/ui/applicationlist/ApplicationListRVAdapter.kt b/app/src/main/java/foundation/e/apps/ui/applicationlist/ApplicationListRVAdapter.kt
index b782362a4..839fb0584 100644
--- a/app/src/main/java/foundation/e/apps/ui/applicationlist/ApplicationListRVAdapter.kt
+++ b/app/src/main/java/foundation/e/apps/ui/applicationlist/ApplicationListRVAdapter.kt
@@ -153,6 +153,34 @@ class ApplicationListRVAdapter(
         }
     }
 
+    override fun onBindViewHolder(holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
+        if (payloads.isEmpty()) {
+            super.onBindViewHolder(holder, position, payloads)
+            return
+        }
+
+        // Partial update
+        val payload = payloads[0]
+        if (payload is ApplicationDiffUtil.StatusChangePayload) {
+            val searchApp = getItem(position)
+            holder.app = searchApp
+            val view = holder.itemView
+
+            holder.binding.apply {
+                if (appInfoFetchViewModel.isAppInBlockedList(searchApp)) {
+                    setupShowMoreButton()
+                } else {
+                    mainActivityViewModel.verifyUiFilter(searchApp) {
+                        setupInstallButton(searchApp, view, holder)
+                    }
+                }
+            }
+        } else {
+            // Unknown payload
+            super.onBindViewHolder(holder, position, payloads)
+        }
+    }
+
     private fun ApplicationListItemBinding.setInstallButtonDimensions(item: View) {
         item.post {
             val maxAllowedWidth = item.measuredWidth / 2
-- 
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