refactor: Use view binding to replace Kotlin synthetics (#824)

* refactor: Migrate home screen to data binding

* Add view binding

* Migrate ConversationView to view binding

* Migrate ConversationActivityV2 to view binding

* View model refactor

* Move more functionality to the view model

* Add ui state events flow

* Update conversation item bindings

* Update profile picture view bindings

* Replace Kotlin synthetics with view bindings

* Fix qr code fragment binding and optimize imports

* View binding refactors

* Make TextSecurePreferences an interface and add an implementation to improve testability

* Add conversation repository

* Migrate remaining TextSecurePreferences functions into the interface

* Add unit conversation unit tests

* Add unit test coverage for remaining view model functions

libsession/build.gradle

@@ -23,12 +23,13 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
     implementation 'androidx.core:core-ktx:1.3.2'
     implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.preference:preference-ktx:1.1.1'
     implementation 'com.google.android.material:material:1.2.1'
     implementation "com.google.protobuf:protobuf-java:$protobufVersion"
-    testImplementation 'junit:junit:4.+'
+    implementation "com.google.dagger:hilt-android:$daggerVersion"
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
-    implementation 'com.github.bumptech.glide:glide:4.11.0'
+    implementation "com.github.bumptech.glide:glide:$glideVersion"
     implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
     implementation 'com.annimon:stream:1.1.8'
     implementation 'com.makeramen:roundedimageview:2.1.0'
@@ -39,7 +40,7 @@ dependencies {
     implementation "com.squareup.okhttp3:okhttp:$okhttpVersion"
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
     implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlinVersion"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.2"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutinesVersion"
     implementation "nl.komponents.kovenant:kovenant:$kovenantVersion"
     testImplementation "junit:junit:3.8.2"
     testImplementation "org.assertj:assertj-core:1.7.1"

libsession/src/main/java/org/session/libsession/messaging/jobs/JobQueue.kt

@@ -1,11 +1,18 @@
 package org.session.libsession.messaging.jobs
 
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.asCoroutineDispatcher
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.channels.Channel.Factory.UNLIMITED
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.plus
 import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsignal.utilities.Log
-import java.util.*
+import java.util.Timer
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.Executors
 import java.util.concurrent.atomic.AtomicInteger
@@ -25,7 +32,10 @@ class JobQueue : JobDelegate {
 
     val timer = Timer()
 
-    private fun CoroutineScope.processWithDispatcher(channel: Channel<Job>, dispatcher: CoroutineDispatcher) = launch(dispatcher) {
+    private fun CoroutineScope.processWithDispatcher(
+        channel: Channel<Job>,
+        dispatcher: CoroutineDispatcher
+    ) = launch(dispatcher) {
         for (job in channel) {
             if (!isActive) break
             job.delegate = this@JobQueue
@@ -74,7 +84,7 @@ class JobQueue : JobDelegate {
 
     fun add(job: Job) {
         addWithoutExecuting(job)
-        queue.offer(job) // offer always called on unlimited capacity
+        queue.trySend(job) // offer always called on unlimited capacity
     }
 
     private fun addWithoutExecuting(job: Job) {
@@ -97,7 +107,7 @@ class JobQueue : JobDelegate {
             Log.e("Loki","tried to re-queue pending/in-progress job")
             return
         }
-        queue.offer(job)
+        queue.trySend(job)
         Log.d("Loki", "resumed pending send message $id")
     }
 
@@ -114,7 +124,7 @@ class JobQueue : JobDelegate {
         }
         pendingJobs.sortedBy { it.id }.forEach { job ->
             Log.i("Loki", "Resuming pending job of type: ${job::class.simpleName}.")
-            queue.offer(job) // Offer always called on unlimited capacity
+            queue.trySend(job) // Offer always called on unlimited capacity
         }
     }
 
@@ -170,7 +180,7 @@ class JobQueue : JobDelegate {
             Log.i("Loki", "${job::class.simpleName} failed; scheduling retry (failure count is ${job.failureCount}).")
             timer.schedule(delay = retryInterval) {
                 Log.i("Loki", "Retrying ${job::class.simpleName}.")
-                queue.offer(job)
+                queue.trySend(job)
             }
         }
     }