Add support for files navigation (when coming from the gallery)

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/MessagesFlowNode.kt

@@ -246,6 +246,8 @@ class MessagesFlowNode @AssistedInject constructor(
             }
             is NavTarget.MediaViewer -> {
                 val params = MediaViewerEntryPoint.Params(
+                    // TODO When we will be able to load a media timeline from a EventId, change mode here (and use a mixed mode?)
+                    mode = MediaViewerEntryPoint.MediaViewerMode.SingleMedia,
                     eventId = navTarget.eventId,
                     mediaInfo = navTarget.mediaInfo,
                     mediaSource = navTarget.mediaSource,

libraries/mediaviewer/api/src/main/kotlin/io/element/android/libraries/mediaviewer/api/MediaViewerEntryPoint.kt

@@ -31,10 +31,17 @@ interface MediaViewerEntryPoint : FeatureEntryPoint {
     }
 
     data class Params(
+        val mode: MediaViewerMode,
         val eventId: EventId?,
         val mediaInfo: MediaInfo,
         val mediaSource: MediaSource,
         val thumbnailSource: MediaSource?,
         val canShowInfo: Boolean,
     ) : NodeInputs
+
+    enum class MediaViewerMode {
+        SingleMedia,
+        TimelineImagesAndVideos,
+        TimelineFilesAndAudios,
+    }
 }

libraries/mediaviewer/impl/src/main/kotlin/io/element/android/libraries/mediaviewer/impl/DefaultMediaViewerEntryPoint.kt

@@ -42,6 +42,7 @@ class DefaultMediaViewerEntryPoint @Inject constructor() : MediaViewerEntryPoint
                 val mimeType = MimeTypes.Images
                 return params(
                     MediaViewerEntryPoint.Params(
+                        mode = MediaViewerEntryPoint.MediaViewerMode.SingleMedia,
                         eventId = null,
                         mediaInfo = MediaInfo(
                             filename = filename,

libraries/mediaviewer/impl/src/main/kotlin/io/element/android/libraries/mediaviewer/impl/gallery/SingleMediaGalleryDataSource.kt

@@ -18,9 +18,8 @@ import io.element.android.libraries.mediaviewer.api.MediaViewerEntryPoint
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.flow.flowOf
-import javax.inject.Inject
 
-class SingleMediaGalleryDataSource @Inject constructor(
+class SingleMediaGalleryDataSource(
     private val data: GroupedMediaItems,
 ) : MediaGalleryDataSource {
     override fun start() = Unit
@@ -91,9 +90,9 @@ class SingleMediaGalleryDataSource @Inject constructor(
                     }
                 }
                 else -> {
+                    // Always use imageAndVideoItems, in Single mode, this is the data that will be used
                     GroupedMediaItems(
-                        imageAndVideoItems = persistentListOf(),
-                        fileItems = persistentListOf(
+                        imageAndVideoItems = persistentListOf(
                             MediaItem.File(
                                 id = UniqueId("dummy"),
                                 eventId = params.eventId,
@@ -101,6 +100,7 @@ class SingleMediaGalleryDataSource @Inject constructor(
                                 mediaSource = params.mediaSource,
                             )
                         ),
+                        fileItems = persistentListOf(),
                     )
                 }
             }

libraries/mediaviewer/impl/src/main/kotlin/io/element/android/libraries/mediaviewer/impl/gallery/root/MediaGalleryRootNode.kt

@@ -60,6 +60,7 @@ class MediaGalleryRootNode @AssistedInject constructor(
 
         @Parcelize
         data class MediaViewer(
+            val mode: MediaViewerEntryPoint.MediaViewerMode,
             val eventId: EventId?,
             val mediaInfo: MediaInfo,
             val mediaSource: MediaSource,
@@ -92,8 +93,16 @@ class MediaGalleryRootNode @AssistedInject constructor(
                     }
 
                     override fun onItemClick(item: MediaItem.Event) {
+                        val mode = when (item) {
+                            is MediaItem.Audio,
+                            is MediaItem.Voice,
+                            is MediaItem.File -> MediaViewerEntryPoint.MediaViewerMode.TimelineFilesAndAudios
+                            is MediaItem.Image,
+                            is MediaItem.Video -> MediaViewerEntryPoint.MediaViewerMode.TimelineImagesAndVideos
+                        }
                         overlay.show(
                             NavTarget.MediaViewer(
+                                mode = mode,
                                 eventId = item.eventId(),
                                 mediaInfo = item.mediaInfo(),
                                 mediaSource = item.mediaSource(),
@@ -117,6 +126,7 @@ class MediaGalleryRootNode @AssistedInject constructor(
                 mediaViewerEntryPoint.nodeBuilder(this, buildContext)
                     .params(
                         MediaViewerEntryPoint.Params(
+                            mode = navTarget.mode,
                             eventId = navTarget.eventId,
                             mediaInfo = navTarget.mediaInfo,
                             mediaSource = navTarget.mediaSource,

libraries/mediaviewer/impl/src/main/kotlin/io/element/android/libraries/mediaviewer/impl/viewer/MediaViewerPresenter.kt

@@ -41,6 +41,7 @@ import io.element.android.libraries.mediaviewer.api.local.LocalMedia
 import io.element.android.libraries.mediaviewer.api.local.LocalMediaFactory
 import io.element.android.libraries.mediaviewer.impl.details.MediaBottomSheetState
 import io.element.android.libraries.mediaviewer.impl.gallery.MediaGalleryDataSource
+import io.element.android.libraries.mediaviewer.impl.gallery.MediaGalleryMode
 import io.element.android.libraries.mediaviewer.impl.gallery.MediaItem
 import io.element.android.libraries.mediaviewer.impl.gallery.eventId
 import io.element.android.libraries.mediaviewer.impl.gallery.mediaInfo
@@ -71,6 +72,12 @@ class MediaViewerPresenter @AssistedInject constructor(
         ): MediaViewerPresenter
     }
 
+    private val galleryMode = when (inputs.mode) {
+        MediaViewerEntryPoint.MediaViewerMode.SingleMedia,
+        MediaViewerEntryPoint.MediaViewerMode.TimelineImagesAndVideos -> MediaGalleryMode.Images
+        MediaViewerEntryPoint.MediaViewerMode.TimelineFilesAndAudios -> MediaGalleryMode.Files
+    }
+
     @Composable
     override fun present(): MediaViewerState {
         val coroutineScope = rememberCoroutineScope()
@@ -93,10 +100,10 @@ class MediaViewerPresenter @AssistedInject constructor(
                 buildList {
                     val data = groupedMediaItem.dataOrNull()
                     if (data != null) {
-                        if (data.imageAndVideoItems.firstOrNull() is MediaItem.LoadingIndicator) {
+                        if (data.getItems(galleryMode).firstOrNull() is MediaItem.LoadingIndicator) {
                             add(MediaViewerPageData.Loading(Timeline.PaginationDirection.FORWARDS))
                         }
-                        data.imageAndVideoItems.filterIsInstance<MediaItem.Event>().forEach { mediaItem ->
+                        data.getItems(galleryMode).filterIsInstance<MediaItem.Event>().forEach { mediaItem ->
                             val eventId = mediaItem.eventId()
                             add(
                                 MediaViewerPageData.MediaViewerData(
@@ -110,7 +117,7 @@ class MediaViewerPresenter @AssistedInject constructor(
                                 )
                             )
                         }
-                        if (data.imageAndVideoItems.lastOrNull() is MediaItem.LoadingIndicator) {
+                        if (data.getItems(galleryMode).lastOrNull() is MediaItem.LoadingIndicator) {
                             add(MediaViewerPageData.Loading(Timeline.PaginationDirection.BACKWARDS))
                         }
                     }