From 5e66d99c852ea67a88b650c03b0e8d55e83eccde Mon Sep 17 00:00:00 2001
From: Harsh Shandilya <me@msfjarvis.dev>
Date: Sat, 5 Dec 2020 06:07:18 +0530
Subject: Refactor package structure (#1233)

* idea: default test runner to Gradle

* Kick off package structure revamp

* Reparent all classes under dev.msfjarvis.aps

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
---
 .../dev/msfjarvis/aps/ui/util/OnOffItemAnimator.kt | 71 ++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 app/src/main/java/dev/msfjarvis/aps/ui/util/OnOffItemAnimator.kt

(limited to 'app/src/main/java/dev/msfjarvis/aps/ui/util')

diff --git a/app/src/main/java/dev/msfjarvis/aps/ui/util/OnOffItemAnimator.kt b/app/src/main/java/dev/msfjarvis/aps/ui/util/OnOffItemAnimator.kt
new file mode 100644
index 00000000..356a914c
--- /dev/null
+++ b/app/src/main/java/dev/msfjarvis/aps/ui/util/OnOffItemAnimator.kt
@@ -0,0 +1,71 @@
+/*
+ * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+package dev.msfjarvis.aps.ui.util
+
+import androidx.recyclerview.widget.DefaultItemAnimator
+import androidx.recyclerview.widget.RecyclerView
+
+class OnOffItemAnimator : DefaultItemAnimator() {
+
+    var isEnabled: Boolean = true
+        set(value) {
+            // Defer update until no animation is running anymore.
+            isRunning { field = value }
+        }
+
+    private fun dontAnimate(viewHolder: RecyclerView.ViewHolder): Boolean {
+        dispatchAnimationFinished(viewHolder)
+        return false
+    }
+
+    override fun animateAppearance(
+        viewHolder: RecyclerView.ViewHolder,
+        preLayoutInfo: ItemHolderInfo?,
+        postLayoutInfo: ItemHolderInfo
+    ): Boolean {
+        return if (isEnabled) {
+            super.animateAppearance(viewHolder, preLayoutInfo, postLayoutInfo)
+        } else {
+            dontAnimate(viewHolder)
+        }
+    }
+
+    override fun animateChange(
+        oldHolder: RecyclerView.ViewHolder,
+        newHolder: RecyclerView.ViewHolder,
+        preInfo: ItemHolderInfo,
+        postInfo: ItemHolderInfo
+    ): Boolean {
+        return if (isEnabled) {
+            super.animateChange(oldHolder, newHolder, preInfo, postInfo)
+        } else {
+            dontAnimate(oldHolder)
+        }
+    }
+
+    override fun animateDisappearance(
+        viewHolder: RecyclerView.ViewHolder,
+        preLayoutInfo: ItemHolderInfo,
+        postLayoutInfo: ItemHolderInfo?
+    ): Boolean {
+        return if (isEnabled) {
+            super.animateDisappearance(viewHolder, preLayoutInfo, postLayoutInfo)
+        } else {
+            dontAnimate(viewHolder)
+        }
+    }
+
+    override fun animatePersistence(
+        viewHolder: RecyclerView.ViewHolder,
+        preInfo: ItemHolderInfo,
+        postInfo: ItemHolderInfo
+    ): Boolean {
+        return if (isEnabled) {
+            super.animatePersistence(viewHolder, preInfo, postInfo)
+        } else {
+            dontAnimate(viewHolder)
+        }
+    }
+}
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