Cannot save generic files (#1391)

* Fixes #429

* Further experimentation regarding potential race condition - still not resolved

* Changed spinner mechanism away from RotateAnimation which fixes race-condition

* Removed leftover commented code

* Cleanup of unused imports

* Addressed PR feedback

* Adjusted 'visible' to use ktx

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt

@@ -1948,6 +1948,14 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
 
     override fun saveAttachment(messages: Set<MessageRecord>) {
         val message = messages.first() as MmsMessageRecord
+
+        // Do not allow the user to download a file attachment before it has finished downloading
+        // TODO: Localise the msg in this toast!
+        if (message.isMediaPending) {
+            Toast.makeText(this, resources.getString(R.string.conversation_activity__wait_until_attachment_has_finished_downloading), Toast.LENGTH_LONG).show()
+            return
+        }
+
         SaveAttachmentTask.showWarningDialog(this) {
             Permissions.with(this)
                 .request(Manifest.permission.WRITE_EXTERNAL_STORAGE)

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/DocumentView.kt

@@ -5,11 +5,13 @@ import android.content.res.ColorStateList
 import android.util.AttributeSet
 import android.widget.LinearLayout
 import androidx.annotation.ColorInt
+import androidx.core.view.isVisible
 import network.loki.messenger.databinding.ViewDocumentBinding
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord
 
 class DocumentView : LinearLayout {
     private val binding: ViewDocumentBinding by lazy { ViewDocumentBinding.bind(this) }
+
     // region Lifecycle
     constructor(context: Context) : super(context)
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
@@ -22,6 +24,12 @@ class DocumentView : LinearLayout {
         binding.documentTitleTextView.text = document.fileName.or("Untitled File")
         binding.documentTitleTextView.setTextColor(textColor)
         binding.documentViewIconImageView.imageTintList = ColorStateList.valueOf(textColor)
+
+        // Show the progress spinner if the attachment is downloading, otherwise show
+        // the document icon (and always remove the other, whichever one that is)
+        binding.documentViewProgress.isVisible = message.isMediaPending
+        binding.documentViewIconImageView.isVisible = !message.isMediaPending
     }
     // endregion
+
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageContentView.kt

@@ -318,4 +318,5 @@ class VisibleMessageContentView : ConstraintLayout {
         }
     }
     // endregion
+
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageView.kt

@@ -63,7 +63,6 @@ import kotlin.math.sqrt
 
 @AndroidEntryPoint
 class VisibleMessageView : LinearLayout {
-
     @Inject lateinit var threadDb: ThreadDatabase
     @Inject lateinit var lokiThreadDb: LokiThreadDatabase
     @Inject lateinit var lokiApiDb: LokiAPIDatabase
@@ -138,8 +137,7 @@ class VisibleMessageView : LinearLayout {
         val isGroupThread = thread.isGroupRecipient
         val isStartOfMessageCluster = isStartOfMessageCluster(message, previous, isGroupThread)
         val isEndOfMessageCluster = isEndOfMessageCluster(message, next, isGroupThread)
-        // Show profile picture and sender name if this is a group thread AND
-        // the message is incoming
+        // Show profile picture and sender name if this is a group thread AND the message is incoming
         binding.moderatorIconImageView.isVisible = false
         binding.profilePictureView.visibility = when {
             thread.isGroupRecipient && !message.isOutgoing && isEndOfMessageCluster -> View.VISIBLE