1 files changed, 84 insertions, 0 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/context/AppNotificationManager.kt b/app/src/main/java/org/pacien/tincapp/context/AppNotificationManager.kt
new file mode 100644
index 0000000..d543210
--- /dev/null
+++ b/app/src/main/java/org/pacien/tincapp/context/AppNotificationManager.kt
@@ -0,0 +1,84 @@
+/*
+ * Tinc App, an Android binding and user interface for the tinc mesh VPN daemon
+ * Copyright (C) 2017-2018 Pacien TRAN-GIRARD
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.pacien.tincapp.context
+
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
+import android.support.annotation.RequiresApi
+import android.support.v4.app.NotificationCompat
+import android.support.v4.app.NotificationManagerCompat
+import org.pacien.tincapp.R
+
+/**
+ * @author pacien
+ */
+class AppNotificationManager(private val context: Context) {
+  companion object {
+    private const val CHANNEL_ID = "org.pacien.tincapp.notification.channels.error"
+    private const val ERROR_NOTIFICATION_ID = 0
+  }
+
+  init {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) registerChannel()
+  }
+
+  fun notifyError(title: String, message: String, manualLink: String? = null) {
+    val notification = NotificationCompat.Builder(context, CHANNEL_ID)
+      .setSmallIcon(R.drawable.ic_warning_primary_24dp)
+      .setContentTitle(title)
+      .setContentText(message)
+      .setStyle(NotificationCompat.BigTextStyle().bigText(message))
+      .setHighPriority()
+      .setAutoCancel(true)
+      .apply { if (manualLink != null) setManualLink(manualLink) }
+      .build()
+
+    NotificationManagerCompat.from(context)
+      .notify(ERROR_NOTIFICATION_ID, notification)
+  }
+
+  fun dismissAll() {
+    NotificationManagerCompat.from(context).cancelAll()
+  }
+
+  @RequiresApi(Build.VERSION_CODES.O)
+  private fun registerChannel() {
+    val name = context.getString(R.string.notification_channel_error_name)
+    val importance = NotificationManager.IMPORTANCE_HIGH
+    val channel = NotificationChannel(CHANNEL_ID, name, importance)
+    val notificationManager = context.getSystemService(NotificationManager::class.java)
+    notificationManager.createNotificationChannel(channel)
+  }
+
+  private fun NotificationCompat.Builder.setHighPriority() = apply {
+    priority = NotificationCompat.PRIORITY_MAX
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) setDefaults(NotificationCompat.DEFAULT_SOUND) // force heads-up notification
+  }
+
+  private fun NotificationCompat.Builder.setManualLink(manualLink: String) = apply {
+    val intent = Intent(Intent.ACTION_VIEW, Uri.parse(manualLink))
+    val pendingIntent = PendingIntent.getActivity(context, 0, intent, 0)
+    addAction(R.drawable.ic_help_primary_24dp, context.getString(R.string.action_open_manual), pendingIntent)
+  }
+}