From b043d6acb726fc44180f6d8efee91490d0da03ce Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 1 Jun 2017 19:29:04 +0300
Subject: [PATCH] snackbar-based undo for swipe to dismiss

---
 org.fox.ttrss/build.gradle                       |  1 +
 .../java/org/fox/ttrss/HeadlinesFragment.java    | 16 ++++++++++++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/org.fox.ttrss/build.gradle b/org.fox.ttrss/build.gradle
index 9c072e14..7f48ed19 100755
--- a/org.fox.ttrss/build.gradle
+++ b/org.fox.ttrss/build.gradle
@@ -37,6 +37,7 @@ dependencies {
     compile 'com.android.support:support-v4:25.3.1'
     compile 'com.android.support:appcompat-v7:25.3.1'
     compile 'com.android.support:customtabs:25.3.1'
+    compile 'com.android.support:design:25.3.1'
     compile 'com.google.code.gson:gson:2.7'
     compile 'com.shamanland:fab:0.0.8'
     compile 'ch.acra:acra:4.9.1'
diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
index d500b215..10690e43 100755
--- a/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
@@ -16,7 +16,9 @@ import android.media.MediaPlayer;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.Handler;
 import android.preference.PreferenceManager;
+import android.support.design.widget.Snackbar;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.ActivityOptionsCompat;
 import android.support.v4.app.Fragment;
@@ -366,10 +368,10 @@ public class HeadlinesFragment extends Fragment {
 				@Override
 				public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
 
-					int position = viewHolder.getAdapterPosition() - m_adapter.getHeaderCount();
+					final int position = viewHolder.getAdapterPosition() - m_adapter.getHeaderCount();
 
 					try {
-						Article article = getArticleAtPosition(position);
+						final Article article = getArticleAtPosition(position);
 
 						if (article != null) {
 							if (article.unread) {
@@ -380,6 +382,16 @@ public class HeadlinesFragment extends Fragment {
 
 						m_articles.remove(position);
 						m_adapter.notifyDataSetChanged();
+
+						Snackbar.make(m_list, R.string.headline_undo_row_prompt, Snackbar.LENGTH_LONG)
+							.setAction(getString(R.string.headline_undo_row_button), new OnClickListener() {
+								@Override
+								public void onClick(View v) {
+									m_articles.add(position, article);
+									m_adapter.notifyDataSetChanged();
+								}
+							}).show();
+
 					} catch (Exception e) {
 						e.printStackTrace();
 					}