[fenix] For https://github.com/mozilla-mobile/fenix/issues/373 - Integrate leanplum-fcm

app/build.gradle

@@ -362,6 +362,7 @@ dependencies {
 
     implementation Deps.sentry
     implementation Deps.leanplum
+    implementation Deps.leanplumMessaging
     implementation Deps.osslicenses_library
 
     implementation Deps.mozilla_concept_engine

app/proguard-rules.pro

@@ -54,6 +54,18 @@
 
 -keep class org.mozilla.fenix.**ViewModel { *; }
 
+####################################################################################################
+# Leanplum
+####################################################################################################
+
+-keepclassmembers class * {
+  @com.leanplum.annotations.* <fields>;
+}
+
+-keep class com.leanplum.** { *; }
+-dontwarn com.leanplum.**
+
+
 ####################################################################################################
 # Adjust
 ####################################################################################################
@@ -94,3 +106,4 @@
 # Keep motionlayout internal methods
 # https://github.com/mozilla-mobile/fenix/issues/2094
 -keep class androidx.constraintlayout.** { *; }
+

app/src/main/java/org/mozilla/fenix/components/FirebasePush.kt

@@ -4,6 +4,40 @@
 
 package org.mozilla.fenix.components
 
+import com.google.firebase.messaging.RemoteMessage
 import mozilla.components.lib.push.firebase.AbstractFirebasePushService
+import org.json.JSONObject
+import org.mozilla.fenix.ext.components
 
-class FirebasePush : AbstractFirebasePushService()
+class FirebasePush : AbstractFirebasePushService() {
+
+    // Helper function to help determine if the incoming message is from Leanplum
+    private fun RemoteMessage.isLeanplumChannel(): Boolean =
+        data[LEANPLUM_KEY]
+            ?.let { JSONObject(it) }
+            ?.getString(LEANPLUM_NAME_KEY) == LEANPLUM_CHANNEL_NAME
+
+    /**
+     * Overrides onMessageReceived to handle incoming Leanplum messages.
+     */
+    override fun onMessageReceived(remoteMessage: RemoteMessage?) {
+        if (remoteMessage?.isLeanplumChannel() == true) {
+            val message = remoteMessage.data?.get(LEANPLUM_MESSAGE_KEY) ?: return
+            sendLeanplumMessage(message)
+            return
+        }
+
+        return super.onMessageReceived(remoteMessage)
+    }
+
+    private fun sendLeanplumMessage(message: String) {
+        applicationContext.components.backgroundServices.notificationManager.showMessage(message)
+    }
+
+    companion object {
+        private const val LEANPLUM_KEY = "lp_channel"
+        private const val LEANPLUM_NAME_KEY = "name"
+        private const val LEANPLUM_CHANNEL_NAME = "leanplum"
+        private const val LEANPLUM_MESSAGE_KEY = "lp_message"
+    }
+}

app/src/main/java/org/mozilla/fenix/components/NotificationManager.kt

@@ -19,6 +19,7 @@ import androidx.core.app.NotificationManagerCompat
 import androidx.core.content.getSystemService
 import mozilla.components.concept.sync.DeviceEvent
 import mozilla.components.concept.sync.TabData
+import mozilla.components.support.base.ids.notify
 import mozilla.components.support.base.log.logger.Logger
 import org.mozilla.fenix.R
 
@@ -29,6 +30,8 @@ class NotificationManager(private val context: Context) {
     companion object {
         const val RECEIVE_TABS_TAG = "ReceivedTabs"
         const val RECEIVE_TABS_CHANNEL_ID = "ReceivedTabsChannel"
+        const val DEFAULT_CHANNEL_TAG = "Default"
+        const val DEFAULT_CHANEL_ID = "DefaultChannel"
     }
 
     init {
@@ -44,6 +47,13 @@ class NotificationManager(private val context: Context) {
                 context.getString(R.string.fxa_received_tab_channel_name),
                 context.getString(R.string.fxa_received_tab_channel_description)
             )
+
+            createNotificationChannel(
+                DEFAULT_CHANEL_ID,
+                NotificationManager.IMPORTANCE_DEFAULT,
+                context.getString(R.string.app_name),
+                ""
+            )
         }
     }
 
@@ -88,6 +98,21 @@ class NotificationManager(private val context: Context) {
         }
     }
 
+    fun showMessage(message: String) {
+        val builder = NotificationCompat.Builder(context, DEFAULT_CHANEL_ID)
+            .setSmallIcon(R.drawable.ic_status_logo)
+            .setContentTitle(context.getString(R.string.app_name))
+            .setContentText(message)
+            .setWhen(System.currentTimeMillis())
+            .setPriority(NotificationCompat.PRIORITY_HIGH)
+            .setDefaults(Notification.DEFAULT_VIBRATE or Notification.DEFAULT_SOUND)
+
+        val notification = builder.build()
+        with(NotificationManagerCompat.from(context)) {
+            notify(context, DEFAULT_CHANNEL_TAG, notification)
+        }
+    }
+
     @TargetApi(Build.VERSION_CODES.O)
     private fun createNotificationChannel(
         channelId: String,

buildSrc/src/main/java/Dependencies.kt

@@ -159,6 +159,8 @@ object Deps {
     const val leakcanary_noop = "com.squareup.leakcanary:leakcanary-android-no-op:${Versions.leakcanary}"
 
     const val leanplum = "com.leanplum:leanplum-core:${Versions.leanplum}"
+    const val leanplumMessaging = "com.leanplum:leanplum-fcm:${Versions.leanplum}"
+
 
     const val androidx_annotation = "androidx.annotation:annotation:${Versions.androidx_annotation}"
     const val androidx_fragment = "androidx.fragment:fragment-ktx:${Versions.androidx_fragment}"