MediaViewer: improve actions (save on disk and share)

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/media/local/AndroidLocalMediaActions.kt

@@ -113,16 +113,9 @@ class AndroidLocalMediaActions @Inject constructor(
     }
 
     /**
-     * Tries to extract a file from the uri and rename it using the local media name if defined.
+     * Tries to extract a file from the uri.
      */
     private fun LocalMedia.toFile(): File {
-        val uriAsFile = uri.toFile()
-        return if (name != null) {
-            File(uriAsFile.parentFile, name).apply {
-                uriAsFile.renameTo(this)
-            }
-        } else {
-            uriAsFile
-        }
+        return uri.toFile()
     }
 }

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/media/viewer/MediaViewerPresenter.kt

@@ -94,7 +94,11 @@ class MediaViewerPresenter @AssistedInject constructor(
 
     private fun CoroutineScope.downloadMedia(mediaFile: MutableState<MediaFile?>, localMedia: MutableState<Async<LocalMedia>>) = launch {
         localMedia.value = Async.Loading()
-        mediaLoader.downloadMediaFile(inputs.mediaSource, inputs.mimeType)
+        mediaLoader.downloadMediaFile(
+            source = inputs.mediaSource,
+            mimeType = inputs.mimeType,
+            body = inputs.name
+        )
             .onSuccess {
                 mediaFile.value = it
             }.mapCatching { mediaFile ->

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/media/viewer/MediaViewerView.kt

@@ -104,7 +104,11 @@ fun MediaViewerView(
 
     Scaffold(modifier,
         topBar = {
-            MediaViewerTopBar(onBackPressed, state.eventSink)
+            MediaViewerTopBar(
+                actionsEnabled = state.downloadedMedia is Async.Success,
+                onBackPressed = onBackPressed,
+                eventSink = state.eventSink
+            )
         },
         snackbarHost = {
             SnackbarHost(snackbarHostState) { data ->
@@ -145,6 +149,7 @@ fun MediaViewerView(
 
 @Composable
 private fun MediaViewerTopBar(
+    actionsEnabled : Boolean,
     onBackPressed: () -> Unit,
     eventSink: (MediaViewerEvents) -> Unit,
 ) {
@@ -153,6 +158,7 @@ private fun MediaViewerTopBar(
         navigationIcon = { BackButton(onClick = onBackPressed) },
         actions = {
             IconButton(
+                enabled = actionsEnabled,
                 onClick = {
                     eventSink(MediaViewerEvents.Share)
                 },
@@ -160,6 +166,7 @@ private fun MediaViewerTopBar(
                 Icon(imageVector = Icons.Default.Share, contentDescription = stringResource(id = string.action_share))
             }
             IconButton(
+                enabled = actionsEnabled,
                 onClick = {
                     eventSink(MediaViewerEvents.SaveOnDisk)
                 },