1 files changed, 63 insertions, 0 deletions
diff --git a/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt b/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
new file mode 100644
index 00000000..7d997e8a
--- /dev/null
+++ b/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
@@ -0,0 +1,63 @@
+/*
+ * Copyright © 2017-2023 WireGuard LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+package com.wireguard.android.preference
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.util.AttributeSet
+import android.widget.Toast
+import androidx.preference.Preference
+import com.wireguard.android.Application
+import com.wireguard.android.BuildConfig
+import com.wireguard.android.R
+import com.wireguard.android.backend.Backend
+import com.wireguard.android.backend.GoBackend
+import com.wireguard.android.backend.WgQuickBackend
+import com.wireguard.android.util.ErrorMessages
+import com.wireguard.android.util.lifecycleScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+class VersionPreference(context: Context, attrs: AttributeSet?) : Preference(context, attrs) {
+    private var versionSummary: String? = null
+
+    override fun getSummary() = versionSummary
+
+    override fun getTitle() = context.getString(R.string.version_title, BuildConfig.VERSION_NAME)
+
+    override fun onClick() {
+        val intent = Intent(Intent.ACTION_VIEW)
+        intent.data = Uri.parse("https://www.wireguard.com/")
+        try {
+            context.startActivity(intent)
+        } catch (e: Throwable) {
+            Toast.makeText(context, ErrorMessages[e], Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    companion object {
+        private fun getBackendPrettyName(context: Context, backend: Backend) = when (backend) {
+            is WgQuickBackend -> context.getString(R.string.type_name_kernel_module)
+            is GoBackend -> context.getString(R.string.type_name_go_userspace)
+            else -> ""
+        }
+    }
+
+    init {
+        lifecycleScope.launch {
+            val backend = Application.getBackend()
+            versionSummary = getContext().getString(R.string.version_summary_checking, getBackendPrettyName(context, backend).lowercase())
+            notifyChanged()
+            versionSummary = try {
+                getContext().getString(R.string.version_summary, getBackendPrettyName(context, backend), withContext(Dispatchers.IO) { backend.version })
+            } catch (_: Throwable) {
+                getContext().getString(R.string.version_summary_unknown, getBackendPrettyName(context, backend).lowercase())
+            }
+            notifyChanged()
+        }
+    }
+}