Merge remote-tracking branch 'upstream/dev' into libsession-integration

# Conflicts:
#	app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt
#	app/src/main/java/org/thoughtcrime/securesms/util/ViewUtilities.kt
#	libsession/src/main/java/org/session/libsession/messaging/messages/visible/VisibleMessage.kt
#	libsession/src/main/java/org/session/libsession/messaging/sending_receiving/MessageSender.kt

libsession/src/main/java/org/session/libsession/database/StorageProtocol.kt

@@ -112,10 +112,13 @@ interface StorageProtocol {
     fun getAttachmentsForMessage(messageID: Long): List<DatabaseAttachment>
     fun getMessageIdInDatabase(timestamp: Long, author: String): Long? // TODO: This is a weird name
     fun updateSentTimestamp(messageID: Long, isMms: Boolean, openGroupSentTimestamp: Long, threadId: Long)
+    fun markAsResyncing(timestamp: Long, author: String)
+    fun markAsSyncing(timestamp: Long, author: String)
     fun markAsSending(timestamp: Long, author: String)
     fun markAsSent(timestamp: Long, author: String)
     fun markUnidentified(timestamp: Long, author: String)
-    fun setErrorMessage(timestamp: Long, author: String, error: Exception)
+    fun markAsSyncFailed(timestamp: Long, author: String, error: Exception)
+    fun markAsSentFailed(timestamp: Long, author: String, error: Exception)
     fun clearErrorMessage(messageID: Long)
     fun setMessageServerHash(messageID: Long, serverHash: String)
 

libsession/src/main/java/org/session/libsession/messaging/messages/Destination.kt

@@ -7,13 +7,13 @@ import org.session.libsignal.utilities.toHexString
 
 sealed class Destination {
 
-    class Contact(var publicKey: String) : Destination() {
+    data class Contact(var publicKey: String) : Destination() {
         internal constructor(): this("")
     }
-    class ClosedGroup(var groupPublicKey: String) : Destination() {
+    data class ClosedGroup(var groupPublicKey: String) : Destination() {
         internal constructor(): this("")
     }
-    class LegacyOpenGroup(var roomToken: String, var server: String) : Destination() {
+    data class LegacyOpenGroup(var roomToken: String, var server: String) : Destination() {
         internal constructor(): this("", "")
     }
 

libsession/src/main/java/org/session/libsession/messaging/messages/visible/VisibleMessage.kt

@@ -11,20 +11,23 @@ import org.session.libsignal.protos.SignalServiceProtos
 import org.session.libsignal.utilities.Log
 import org.session.libsession.messaging.sending_receiving.attachments.Attachment as SignalAttachment
 
-class VisibleMessage : Message() {
-    /** In the case of a sync message, the public key of the person the message was targeted at.
-     *
-     * **Note:** `nil` if this isn't a sync message.
-     */
-    var syncTarget: String? = null
-    var text: String? = null
-    val attachmentIDs: MutableList<Long> = mutableListOf()
-    var quote: Quote? = null
-    var linkPreview: LinkPreview? = null
-    var profile: Profile? = null
-    var openGroupInvitation: OpenGroupInvitation? = null
-    var reaction: Reaction? = null
+/**
+ * @param syncTarget In the case of a sync message, the public key of the person the message was targeted at.
+ *
+ * **Note:** `nil` if this isn't a sync message.
+ */
+class VisibleMessage(
+    var syncTarget: String? = null,
+    var text: String? = null,
+    val attachmentIDs: MutableList<Long> = mutableListOf(),
+    var quote: Quote? = null,
+    var linkPreview: LinkPreview? = null,
+    var profile: Profile? = null,
+    var openGroupInvitation: OpenGroupInvitation? = null,
+    var reaction: Reaction? = null,
     var hasMention: Boolean = false
+) : Message()  {
+
     override val isSelfSendValid: Boolean = true
 
     // region Validation

libsession/src/main/java/org/session/libsession/messaging/sending_receiving/MessageSender.kt

@@ -14,6 +14,7 @@ import org.session.libsession.messaging.messages.control.ConfigurationMessage
 import org.session.libsession.messaging.messages.control.ExpirationTimerUpdate
 import org.session.libsession.messaging.messages.control.MessageRequestResponse
 import org.session.libsession.messaging.messages.control.SharedConfigurationMessage
+import org.session.libsession.messaging.messages.control.SharedConfigurationMessage
 import org.session.libsession.messaging.messages.control.UnsendRequest
 import org.session.libsession.messaging.messages.visible.LinkPreview
 import org.session.libsession.messaging.messages.visible.Quote
@@ -62,12 +63,11 @@ object MessageSender {
     }
 
     // Convenience
-    fun send(message: Message, destination: Destination): Promise<Unit, Exception> {
+    fun send(message: Message, destination: Destination, isSyncMessage: Boolean = false): Promise<Unit, Exception> {
         return if (destination is Destination.LegacyOpenGroup || destination is Destination.OpenGroup || destination is Destination.OpenGroupInbox) {
             sendToOpenGroupDestination(destination, message)
         } else {
-            val userPublicKey = MessagingModuleConfiguration.shared.storage.getUserPublicKey()
-            sendToSnodeDestination(destination, message, destination is Destination.Contact && destination.publicKey == userPublicKey)
+            sendToSnodeDestination(destination, message, isSyncMessage)
         }
     }
 
@@ -160,6 +160,7 @@ object MessageSender {
         )
     }
 
+    // One-on-One Chats & Closed Groups
     private fun sendToSnodeDestination(destination: Destination, message: Message, isSyncMessage: Boolean = false): Promise<Unit, Exception> {
         val deferred = deferred<Unit, Exception>()
         val promise = deferred.promise
@@ -171,7 +172,7 @@ object MessageSender {
 
         // Set the failure handler (need it here already for precondition failure handling)
         fun handleFailure(error: Exception) {
-            handleFailedMessageSend(message, error)
+            handleFailedMessageSend(message, error, isSyncMessage)
             if (destination is Destination.Contact && message is VisibleMessage && !isSelfSend()) {
                 SnodeModule.shared.broadcaster.broadcast("messageFailed", message.sentTimestamp!!)
             }
@@ -393,16 +394,23 @@ object MessageSender {
         // • the destination was a contact
         // • we didn't sync it already
         if (destination is Destination.Contact && !isSyncMessage) {
-            if (message is VisibleMessage) { message.syncTarget = destination.publicKey }
-            if (message is ExpirationTimerUpdate) { message.syncTarget = destination.publicKey }
+            if (message is VisibleMessage) message.syncTarget = destination.publicKey
+            if (message is ExpirationTimerUpdate) message.syncTarget = destination.publicKey
+
+            storage.markAsSyncing(message.sentTimestamp!!, userPublicKey)
             sendToSnodeDestination(Destination.Contact(userPublicKey), message, true)
         }
     }
 
-    fun handleFailedMessageSend(message: Message, error: Exception) {
+    fun handleFailedMessageSend(message: Message, error: Exception, isSyncMessage: Boolean = false) {
         val storage = MessagingModuleConfiguration.shared.storage
         val userPublicKey = storage.getUserPublicKey()!!
-        storage.setErrorMessage(message.sentTimestamp!!, message.sender?:userPublicKey, error)
+
+        val timestamp = message.sentTimestamp!!
+        val author = message.sender ?: userPublicKey
+
+        if (isSyncMessage) storage.markAsSyncFailed(timestamp, author, error)
+        else storage.markAsSentFailed(timestamp, author, error)
     }
 
     // Convenience

libsession/src/main/java/org/session/libsession/utilities/ViewUtils.kt

@@ -4,6 +4,7 @@ import android.content.Context
 import android.util.TypedValue
 import androidx.annotation.AttrRes
 import androidx.annotation.ColorInt
+import androidx.recyclerview.widget.RecyclerView
 
 @ColorInt
 fun Context.getColorFromAttr(
@@ -13,4 +14,10 @@ fun Context.getColorFromAttr(
 ): Int {
     theme.resolveAttribute(attrColor, typedValue, resolveRefs)
     return typedValue.data
-}
+}
+
+val RecyclerView.isScrolledToBottom: Boolean
+    get() {
+        val contentHeight = height - (paddingTop + paddingBottom)
+        return computeVerticalScrollRange() == computeVerticalScrollOffset() + contentHeight
+    }