From e95b41e48b7f335c08833a2e9bab0902d1ce98f8 Mon Sep 17 00:00:00 2001
From: Samuel Holland <samuel@sholland.org>
Date: Wed, 16 Aug 2017 04:29:55 -0500
Subject: [PATCH] ConfigListPreference: ListPreference for configs

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 .../android/ConfigListPreference.java         | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 app/src/main/java/com/wireguard/android/ConfigListPreference.java

diff --git a/app/src/main/java/com/wireguard/android/ConfigListPreference.java b/app/src/main/java/com/wireguard/android/ConfigListPreference.java
new file mode 100644
index 00000000..38421610
--- /dev/null
+++ b/app/src/main/java/com/wireguard/android/ConfigListPreference.java
@@ -0,0 +1,35 @@
+package com.wireguard.android;
+
+import android.content.Context;
+import android.preference.ListPreference;
+import android.util.AttributeSet;
+
+import java.util.Set;
+
+/**
+ * ListPreference that is automatically filled with the list of configurations.
+ */
+
+public class ConfigListPreference extends ListPreference {
+    public ConfigListPreference(final Context context, final AttributeSet attrs,
+                                final int defStyleAttr, final int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        final Set<String> entrySet = VpnService.getInstance().getConfigs().keySet();
+        final CharSequence[] entries = entrySet.toArray(new CharSequence[entrySet.size()]);
+        setEntries(entries);
+        setEntryValues(entries);
+    }
+
+    public ConfigListPreference(final Context context, final AttributeSet attrs,
+                                final int defStyleAttr) {
+        this(context, attrs, defStyleAttr, 0);
+    }
+
+    public ConfigListPreference(final Context context, final AttributeSet attrs) {
+        this(context, attrs, android.R.attr.dialogPreferenceStyle);
+    }
+
+    public ConfigListPreference(final Context context) {
+        this(context, null);
+    }
+}