Settings: add version

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/app/src/main/java/com/wireguard/android/preference/VersionPreference.java b/app/src/main/java/com/wireguard/android/preference/VersionPreference.java
new file mode 100644
index 00000000..c0fb986b
--- /dev/null
+++ b/app/src/main/java/com/wireguard/android/preference/VersionPreference.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+package com.wireguard.android.preference;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.v7.preference.Preference;
+import android.util.AttributeSet;
+
+import com.wireguard.android.Application;
+import com.wireguard.android.BuildConfig;
+import com.wireguard.android.R;
+import com.wireguard.android.backend.GoBackend;
+import com.wireguard.android.backend.WgQuickBackend;
+
+public class VersionPreference extends Preference {
+    private String versionSummary;
+
+    public VersionPreference(final Context context, final AttributeSet attrs) {
+        super(context, attrs);
+
+        if (Application.getComponent().getBackendType() == GoBackend.class) {
+            versionSummary = getContext().getString(R.string.version_userspace_summary, GoBackend.getVersion());
+        } else if (Application.getComponent().getBackendType() == WgQuickBackend.class) {
+            Application.getComponent().getToolsInstaller().getVersion().whenComplete((version, exception) -> {
+                if (exception == null)
+                    versionSummary = getContext().getString(R.string.version_kernel_summary, version);
+                else
+                    versionSummary = getContext().getString(R.string.version_kernel_unknown_summary);
+                notifyChanged();
+            });
+        }
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return versionSummary;
+    }
+
+    @Override
+    public CharSequence getTitle() {
+        return getContext().getString(R.string.version_title, BuildConfig.VERSION_NAME);
+    }
+
+    @Override
+    protected void onClick() {
+        final Intent intent = new Intent(Intent.ACTION_VIEW);
+        intent.setData(Uri.parse("https://www.wireguard.com/"));
+        getContext().startActivity(intent);
+    }
+
+}