warn before deleting a scheduled post (#2721)

app/src/main/java/com/keylesspalace/tusky/components/scheduled/ScheduledStatusActivity.kt

@@ -19,6 +19,7 @@ import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import androidx.activity.viewModels
+import androidx.appcompat.app.AlertDialog
 import androidx.lifecycle.lifecycleScope
 import androidx.paging.LoadState
 import androidx.recyclerview.widget.DividerItemDecoration
@@ -134,7 +135,13 @@ class ScheduledStatusActivity : BaseActivity(), ScheduledStatusActionListener, I
     }
 
     override fun delete(item: ScheduledStatus) {
-        viewModel.deleteScheduledStatus(item)
+        AlertDialog.Builder(this)
+            .setMessage(R.string.delete_scheduled_post_warning)
+            .setNegativeButton(android.R.string.cancel, null)
+            .setPositiveButton(android.R.string.ok) { _, _ ->
+                viewModel.deleteScheduledStatus(item)
+            }
+            .show()
     }
 
     companion object {

app/src/main/java/com/keylesspalace/tusky/components/scheduled/ScheduledStatusAdapter.kt

@@ -57,8 +57,7 @@ class ScheduledStatusAdapter(
                 v.isEnabled = false
                 listener.edit(item)
             }
-            holder.binding.delete.setOnClickListener { v: View ->
-                v.isEnabled = false
+            holder.binding.delete.setOnClickListener {
                 listener.delete(item)
             }
         }

app/src/main/res/values/strings.xml

@@ -668,5 +668,6 @@
     <string name="dialog_push_notification_migration_other_accounts">You have re-logged into your current account to grant push subscription permission to Tusky. However, you still have other accounts that have not been migrated this way. Switch to them and re-login one by one in order to enable UnifiedPush notifications support.</string>
     <string name="url_domain_notifier">%s (🔗 %s)</string>
 
+    <string name="delete_scheduled_post_warning">Delete this scheduled post?</string>
 
 </resources>