Split push module into several modules: Firebase, UnifiedPush, store

libraries/push/api/build.gradle.kts

@@ -26,4 +26,5 @@ dependencies {
     implementation(libs.androidx.corektx)
     implementation(libs.coroutines.core)
     implementation(projects.libraries.matrix.api)
+    implementation(projects.libraries.pushproviders.api)
 }

libraries/push/api/src/main/kotlin/io/element/android/libraries/push/api/PushService.kt

@@ -17,12 +17,21 @@
 package io.element.android.libraries.push.api
 
 import io.element.android.libraries.matrix.api.MatrixClient
+import io.element.android.libraries.push.providers.api.PushProvider
 
 interface PushService {
+    // TODO Move away
     fun notificationStyleChanged()
 
-    // Ensure pusher is registered
-    suspend fun registerFirebasePusher(matrixClient: MatrixClient)
+    fun getAvailablePushProviders(): List<PushProvider>
 
+    /**
+     * Will unregister any previous pusher and register a new one with the provided [PushProvider].
+     *
+     * The method has effect only if the [PushProvider] is different than the current one.
+     */
+    suspend fun registerWith(matrixClient: MatrixClient, pushProvider: PushProvider, distributorName: String)
+
+    // TODO Move away
     suspend fun testPush()
 }