From 434c839b735bc98d8549e6c5192dc520455cc971 Mon Sep 17 00:00:00 2001
From: Jeff Boek <jeff@jeffboek.com>
Date: Fri, 15 Feb 2019 14:04:45 -0800
Subject: [PATCH] For #357 - Emits action on delete

---
 .../fenix/library/history/HistoryAdapter.kt      | 16 +++++++++++++++-
 .../fenix/library/history/HistoryComponent.kt    |  5 +++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/org/mozilla/fenix/library/history/HistoryAdapter.kt b/app/src/main/java/org/mozilla/fenix/library/history/HistoryAdapter.kt
index 6f76f4de2..01f308391 100644
--- a/app/src/main/java/org/mozilla/fenix/library/history/HistoryAdapter.kt
+++ b/app/src/main/java/org/mozilla/fenix/library/history/HistoryAdapter.kt
@@ -116,7 +116,19 @@ class HistoryAdapter(
         view: View,
         private val actionEmitter: Observer<HistoryAction>
     ) : RecyclerView.ViewHolder(view) {
-        private val button = view.findViewById<View>(R.id.delete_history_button)
+        private lateinit var mode: HistoryState.Mode
+
+        private val button = view.findViewById<View>(R.id.delete_history_button).apply {
+            setOnClickListener {
+                val mode = mode
+                if (mode is HistoryState.Mode.Editing && mode.selectedItems.isNotEmpty()) {
+                    actionEmitter.onNext(HistoryAction.Delete.Some(mode.selectedItems))
+                } else {
+                    actionEmitter.onNext(HistoryAction.Delete.All)
+                }
+            }
+        }
+
         private val text = view.findViewById<TextView>(R.id.delete_history_button_text).apply {
             val color = ContextCompat.getColor(context, R.color.photonRed60)
             val drawable = ContextCompat.getDrawable(context, R.drawable.ic_delete)
@@ -125,6 +137,8 @@ class HistoryAdapter(
         }
 
         fun bind(mode: HistoryState.Mode) {
+            this.mode = mode
+
             val text = if (mode is HistoryState.Mode.Editing && mode.selectedItems.isNotEmpty()) {
                 text.context.resources.getString(R.string.delete_history_items, mode.selectedItems.size)
             } else {
diff --git a/app/src/main/java/org/mozilla/fenix/library/history/HistoryComponent.kt b/app/src/main/java/org/mozilla/fenix/library/history/HistoryComponent.kt
index d9368a553..e5b75055d 100644
--- a/app/src/main/java/org/mozilla/fenix/library/history/HistoryComponent.kt
+++ b/app/src/main/java/org/mozilla/fenix/library/history/HistoryComponent.kt
@@ -81,6 +81,11 @@ sealed class HistoryAction : Action {
     object BackPressed : HistoryAction()
     data class AddItemForRemoval(val item: HistoryItem) : HistoryAction()
     data class RemoveItemForRemoval(val item: HistoryItem) : HistoryAction()
+
+    sealed class Delete : HistoryAction() {
+        object All : Delete()
+        data class Some(val items: List<HistoryItem>) : Delete()
+    }
 }
 
 sealed class HistoryChange : Change {