From 03da89a7a0a3dd2c642bc8c5a7f12ed04d1ffc46 Mon Sep 17 00:00:00 2001
From: Scott Jackson <daneren2005@gmail.com>
Date: Thu, 25 Jun 2015 17:46:04 -0700
Subject: #525 Implement swipe remove on DownloadFragment

---
 .../dsub/fragments/DownloadFragment.java           | 52 ++++++++++++++++++++++
 .../daneren2005/dsub/service/DownloadService.java  | 10 +++++
 2 files changed, 62 insertions(+)

(limited to 'app')

diff --git a/app/src/main/java/github/daneren2005/dsub/fragments/DownloadFragment.java b/app/src/main/java/github/daneren2005/dsub/fragments/DownloadFragment.java
index 5a3d63ad..b89a25c5 100644
--- a/app/src/main/java/github/daneren2005/dsub/fragments/DownloadFragment.java
+++ b/app/src/main/java/github/daneren2005/dsub/fragments/DownloadFragment.java
@@ -16,10 +16,17 @@
 package github.daneren2005.dsub.fragments;
 
 import android.content.DialogInterface;
+import android.os.Bundle;
 import android.os.Handler;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.helper.ItemTouchHelper;
 import android.view.ContextMenu;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 
@@ -39,6 +46,7 @@ import github.daneren2005.dsub.util.ProgressListener;
 import github.daneren2005.dsub.util.SilentBackgroundTask;
 import github.daneren2005.dsub.util.Util;
 import github.daneren2005.dsub.adapter.DownloadFileAdapter;
+import github.daneren2005.dsub.view.SongView;
 import github.daneren2005.dsub.view.UpdateView;
 
 public class DownloadFragment extends SelectRecyclerFragment<DownloadFile> {
@@ -50,6 +58,50 @@ public class DownloadFragment extends SelectRecyclerFragment<DownloadFile> {
 		pullToRefresh = false;
 	}
 
+	@Override
+	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) {
+		super.onCreateView(inflater, container, bundle);
+
+		ItemTouchHelper touchHelper = new ItemTouchHelper(new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN, ItemTouchHelper.LEFT) {
+			@Override
+			public boolean onMove(RecyclerView recyclerView, final RecyclerView.ViewHolder fromHolder, final RecyclerView.ViewHolder toHolder) {
+				new SilentBackgroundTask<Void>(context) {
+					private int from;
+					private int to;
+
+					@Override
+					protected Void doInBackground() throws Throwable {
+						from = fromHolder.getAdapterPosition();
+						to = toHolder.getAdapterPosition();
+						getDownloadService().swap(false, from, to);
+						return null;
+					}
+
+					@Override
+					protected void done(Void result) {
+						adapter.notifyItemMoved(from, to);
+					}
+				}.execute();
+
+				return true;
+			}
+
+			@Override
+			public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
+				SongView songView = (SongView) ((UpdateView.UpdateViewHolder) viewHolder).getUpdateView();
+				DownloadFile downloadFile = songView.getDownloadFile();
+
+				DownloadService downloadService = getDownloadService();
+				downloadService.removeBackground(downloadFile);
+				adapter.removeItem(downloadFile);
+				currentRevision = downloadService.getDownloadListUpdateRevision();
+			}
+		});
+		touchHelper.attachToRecyclerView(recyclerView);
+
+		return rootView;
+	}
+
 	@Override
 	public void onResume() {
 		super.onResume();
diff --git a/app/src/main/java/github/daneren2005/dsub/service/DownloadService.java b/app/src/main/java/github/daneren2005/dsub/service/DownloadService.java
index bf68c450..2e3217d2 100644
--- a/app/src/main/java/github/daneren2005/dsub/service/DownloadService.java
+++ b/app/src/main/java/github/daneren2005/dsub/service/DownloadService.java
@@ -739,6 +739,16 @@ public class DownloadService extends Service {
 			setNextPlaying();
 		}
 	}
+	public synchronized void removeBackground(DownloadFile downloadFile) {
+		if (downloadFile == currentDownloading && downloadFile != currentPlaying && downloadFile != nextPlaying) {
+			currentDownloading.cancelDownload();
+			currentDownloading = null;
+		}
+
+		backgroundDownloadList.remove(downloadFile);
+		revision++;
+		checkDownloads();
+	}
 
 	public synchronized void delete(List<MusicDirectory.Entry> songs) {
 		for (MusicDirectory.Entry song : songs) {
-- 
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