From 58b14cc65019ca0efff4ef296f9d9eacadd9573d Mon Sep 17 00:00:00 2001
From: Harsh Shandilya <me@msfjarvis.dev>
Date: Wed, 8 Apr 2020 19:43:25 +0530
Subject: ui: animate fab position in tunnel deletion flow

When tunnel deletion is triggered we don't bother with animation theatrics
because the resulting Snackbar needs this fab to be its anchor, which it can't
do if its outside the screen or busy animating.

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
---
 .../wireguard/android/fragment/TunnelListFragment.kt  | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'ui/src')

diff --git a/ui/src/main/java/com/wireguard/android/fragment/TunnelListFragment.kt b/ui/src/main/java/com/wireguard/android/fragment/TunnelListFragment.kt
index f19c7c2c..a4980779 100644
--- a/ui/src/main/java/com/wireguard/android/fragment/TunnelListFragment.kt
+++ b/ui/src/main/java/com/wireguard/android/fragment/TunnelListFragment.kt
@@ -4,6 +4,7 @@
  */
 package com.wireguard.android.fragment
 
+import android.animation.ObjectAnimator
 import android.annotation.SuppressLint
 import android.app.Activity
 import android.content.Intent
@@ -305,6 +306,7 @@ class TunnelListFragment : BaseFragment() {
     private inner class ActionModeListener : ActionMode.Callback {
         val checkedItems: MutableCollection<Int> = HashSet()
         private var resources: Resources? = null
+        private var initialFabTranslation = 0f
 
         fun getCheckedItems(): ArrayList<Int> {
             return ArrayList(checkedItems)
@@ -314,6 +316,7 @@ class TunnelListFragment : BaseFragment() {
             return when (item.itemId) {
                 R.id.menu_action_delete -> {
                     val copyCheckedItems = HashSet(checkedItems)
+                    binding?.createFab?.translationY = initialFabTranslation
                     Application.getTunnelManager().tunnels.thenAccept { tunnels ->
                         val tunnelsToDelete = ArrayList<ObservableTunnel>()
                         for (position in copyCheckedItems) tunnelsToDelete.add(tunnels[position])
@@ -343,6 +346,13 @@ class TunnelListFragment : BaseFragment() {
             if (activity != null) {
                 resources = activity!!.resources
             }
+            binding?.createFab?.let {
+                initialFabTranslation = it.translationY
+                ObjectAnimator.ofFloat(it, View.TRANSLATION_Y, 400f).apply {
+                    duration = 400
+                    start()
+                }
+            }
             mode.menuInflater.inflate(R.menu.tunnel_list_action_mode, menu)
             binding?.tunnelList?.adapter?.notifyDataSetChanged()
             return true
@@ -351,6 +361,15 @@ class TunnelListFragment : BaseFragment() {
         override fun onDestroyActionMode(mode: ActionMode) {
             actionMode = null
             resources = null
+            binding?.createFab?.let {
+                if (it.translationY != initialFabTranslation) {
+                    ObjectAnimator.ofFloat(it, View.TRANSLATION_Y, initialFabTranslation).apply {
+                        duration = 400
+                        start()
+                    }
+                }
+            }
+
             checkedItems.clear()
             binding!!.tunnelList.adapter!!.notifyDataSetChanged()
         }
-- 
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