Media: address PR review

build.gradle.kts

@@ -224,6 +224,7 @@ koverMerged {
                 excludes += "io.element.android.libraries.matrix.api.room.MatrixRoomMembersState*"
                 excludes += "io.element.android.libraries.push.impl.notifications.NotificationState*"
                 excludes += "io.element.android.features.messages.impl.media.local.pdf.PdfViewerState"
+                excludes += "io.element.android.features.messages.impl.media.local.LocalMediaViewState"
             }
             bound {
                 minValue = 90

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/media/helper/fileExtensionAndSize.kt

@@ -16,10 +16,18 @@
 
 package io.element.android.features.messages.impl.media.helper
 
+import android.webkit.MimeTypeMap
+
 fun formatFileExtensionAndSize(name: String, size: String?): String {
-    val fileExtension = name.substringAfterLast('.', "").uppercase()
+    val fileExtension = name.substringAfterLast('.', "")
+    // Makes sure the extension is known by the system, otherwise default to binary extension.
+    val safeExtension = if (MimeTypeMap.getSingleton().hasExtension(fileExtension)) {
+        fileExtension.uppercase()
+    } else {
+        "BIN"
+    }
     return buildString {
-        append(fileExtension)
+        append(safeExtension)
         if (size != null) {
             append(' ')
             append("($size)")

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

@@ -34,7 +34,11 @@ import androidx.compose.material.icons.outlined.Attachment
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -70,40 +74,52 @@ import me.saket.telephoto.zoomable.coil.ZoomableAsyncImage
 import me.saket.telephoto.zoomable.rememberZoomableImageState
 import me.saket.telephoto.zoomable.rememberZoomableState
 
+@Stable
+class LocalMediaViewState {
+    var isReady: Boolean by mutableStateOf(false)
+}
+
+@Composable
+fun rememberLocalMediaViewState(): LocalMediaViewState {
+    return remember {
+        LocalMediaViewState()
+    }
+}
+
 @SuppressLint("UnsafeOptInUsageError")
 @Composable
 fun LocalMediaView(
     localMedia: LocalMedia?,
     modifier: Modifier = Modifier,
-    info: MediaInfo? = localMedia?.info,
+    localMediaViewState: LocalMediaViewState = rememberLocalMediaViewState(),
-    onReady: () -> Unit = {},
+    mediaInfo: MediaInfo? = localMedia?.info,
 ) {
     val zoomableState = rememberZoomableState(
         zoomSpec = ZoomSpec(maxZoomFactor = 5f)
     )
-    val mimeType = info?.mimeType
+    val mimeType = mediaInfo?.mimeType
     when {
         mimeType.isMimeTypeImage() -> MediaImageView(
+            localMediaViewState = localMediaViewState,
             localMedia = localMedia,
             zoomableState = zoomableState,
-            onReady = onReady,
             modifier = modifier
         )
         mimeType.isMimeTypeVideo() -> MediaVideoView(
+            localMediaViewState = localMediaViewState,
             localMedia = localMedia,
-            onReady = onReady,
             modifier = modifier
         )
         mimeType == MimeTypes.Pdf -> MediaPDFView(
+            localMediaViewState = localMediaViewState,
             localMedia = localMedia,
             zoomableState = zoomableState,
-            onReady = onReady,
             modifier = modifier
         )
         else -> MediaFileView(
+            localMediaViewState = localMediaViewState,
             uri = localMedia?.uri,
-            info = info,
+            info = mediaInfo,
-            onReady = onReady,
             modifier = modifier
         )
     }
@@ -111,9 +127,9 @@ fun LocalMediaView(
 
 @Composable
 private fun MediaImageView(
+    localMediaViewState: LocalMediaViewState,
     localMedia: LocalMedia?,
     zoomableState: ZoomableState,
-    onReady: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
     if (LocalInspectionMode.current) {
@@ -124,11 +140,7 @@ private fun MediaImageView(
         )
     } else {
         val zoomableImageState = rememberZoomableImageState(zoomableState)
-        LaunchedEffect(zoomableImageState.isImageDisplayed) {
+        localMediaViewState.isReady = zoomableImageState.isImageDisplayed
-            if (zoomableImageState.isImageDisplayed) {
-                onReady()
-            }
-        }
         ZoomableAsyncImage(
             modifier = modifier.fillMaxSize(),
             state = zoomableImageState,
@@ -142,14 +154,14 @@ private fun MediaImageView(
 @UnstableApi
 @Composable
 fun MediaVideoView(
+    localMediaViewState: LocalMediaViewState,
     localMedia: LocalMedia?,
-    onReady: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
     val context = LocalContext.current
     val playerListener = object : Player.Listener {
         override fun onRenderedFirstFrame() {
-            onReady()
+            localMediaViewState.isReady = true
         }
     }
     val exoPlayer = remember {
@@ -196,35 +208,27 @@ fun MediaVideoView(
 
 @Composable
 fun MediaPDFView(
+    localMediaViewState: LocalMediaViewState,
     localMedia: LocalMedia?,
     zoomableState: ZoomableState,
-    onReady: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
     val pdfViewerState = rememberPdfViewerState(
         model = localMedia?.uri,
         zoomableState = zoomableState
     )
-    LaunchedEffect(pdfViewerState.isLoaded) {
+    localMediaViewState.isReady = pdfViewerState.isLoaded
-        if (pdfViewerState.isLoaded) {
-            onReady()
-        }
-    }
     PdfViewer(pdfViewerState = pdfViewerState, modifier = modifier)
 }
 
 @Composable
 fun MediaFileView(
+    localMediaViewState: LocalMediaViewState,
     uri: Uri?,
     info: MediaInfo?,
-    onReady: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
-    LaunchedEffect(Unit) {
+    localMediaViewState.isReady = uri != null
-        if(uri != null) {
-            onReady()
-        }
-    }
     Box(modifier = modifier, contentAlignment = Alignment.Center) {
         Column(horizontalAlignment = Alignment.CenterHorizontally) {
             Box(
@@ -236,14 +240,14 @@ fun MediaFileView(
             ) {
                 Icon(
                     imageVector = Icons.Outlined.Attachment,
-                    contentDescription = "OpenFile",
+                    contentDescription = null,
                     tint = MaterialTheme.colorScheme.background,
                     modifier = Modifier
                         .size(32.dp)
                         .rotate(-45f),
                 )
             }
-            if(info == null) return
+            if (info != null) {
                 Spacer(modifier = Modifier.height(16.dp))
                 Text(
                     text = info.name,
@@ -255,7 +259,10 @@ fun MediaFileView(
                 Text(
                     text = formatFileExtensionAndSize(info.name, info.formattedFileSize),
                     fontSize = 14.sp,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis,
                 )
             }
         }
     }
+}

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

@@ -116,8 +116,7 @@ class MediaViewerPresenter @AssistedInject constructor(
     }
 
     private fun CoroutineScope.saveOnDisk(localMedia: Async<LocalMedia>) = launch {
-        when (localMedia) {
+        if (localMedia is Async.Success) {
-            is Async.Success -> {
             localMediaActions.saveOnDisk(localMedia.state)
                 .onSuccess {
                     val snackbarMessage = SnackbarMessage(StringR.string.common_file_saved_on_disk_android)
@@ -127,35 +126,27 @@ class MediaViewerPresenter @AssistedInject constructor(
                     val snackbarMessage = SnackbarMessage(mediaActionsError(it))
                     snackbarDispatcher.post(snackbarMessage)
                 }
-            }
+        } else Unit
-            else -> Unit
-        }
     }
 
     private fun CoroutineScope.share(localMedia: Async<LocalMedia>) = launch {
-        when (localMedia) {
+        if (localMedia is Async.Success) {
-            is Async.Success -> {
             localMediaActions.share(localMedia.state)
                 .onFailure {
                     val snackbarMessage = SnackbarMessage(mediaActionsError(it))
                     snackbarDispatcher.post(snackbarMessage)
                 }
-            }
+        } else Unit
-            else -> Unit
-        }
     }
 
     private fun CoroutineScope.open(localMedia: Async<LocalMedia>) = launch {
-        when (localMedia) {
+        if (localMedia is Async.Success) {
-            is Async.Success -> {
             localMediaActions.open(localMedia.state)
                 .onFailure {
                     val snackbarMessage = SnackbarMessage(mediaActionsError(it))
                     snackbarDispatcher.post(snackbarMessage)
                 }
-            }
+        } else Unit
-            else -> Unit
-        }
     }
 
     private fun mediaActionsError(throwable: Throwable): Int {

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

@@ -50,6 +50,10 @@ open class MediaViewerStateProvider : PreviewParameterProvider<MediaViewerState>
                 ),
                 aPdfInfo(),
             ),
+            aMediaViewerState(
+                Async.Loading(),
+                aFileInfo(),
+            ),
             aMediaViewerState(
                 Async.Success(
                     LocalMedia(Uri.EMPTY, aFileInfo())

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

@@ -46,12 +46,15 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalInspectionMode
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
 import coil.compose.AsyncImage
+import io.element.android.features.messages.impl.media.local.LocalMedia
 import io.element.android.features.messages.impl.media.local.LocalMediaView
+import io.element.android.features.messages.impl.media.local.rememberLocalMediaViewState
 import io.element.android.libraries.architecture.Async
 import io.element.android.libraries.architecture.isLoading
 import io.element.android.libraries.designsystem.components.button.BackButton
@@ -82,28 +85,9 @@ fun MediaViewerView(
         state.eventSink(MediaViewerEvents.ClearLoadingError)
     }
 
-    var showProgress by remember {
+    val localMediaViewState = rememberLocalMediaViewState()
-        mutableStateOf(false)
+    val showThumbnail = !localMediaViewState.isReady
-    }
+    val showProgress = rememberShowProgress(state.downloadedMedia)
-
-    // Trick to avoid showing progress indicator if the media is already on disk.
-    // When sdk will expose download progress we'll be able to remove this.
-    LaunchedEffect(state.downloadedMedia) {
-        showProgress = false
-        delay(100)
-        if (state.downloadedMedia.isLoading()) {
-            showProgress = true
-        }
-    }
-
-    var showThumbnail by remember {
-        mutableStateOf(true)
-    }
-
-    fun onMediaReady() {
-        showThumbnail = false
-    }
-
     val snackbarHostState = rememberSnackbarHostState(snackbarMessage = state.snackbarMessage)
 
     Scaffold(
@@ -151,9 +135,9 @@ fun MediaViewerView(
                     )
                 }
                 LocalMediaView(
+                    localMediaViewState = localMediaViewState,
                     localMedia = state.downloadedMedia.dataOrNull(),
-                    info = state.mediaInfo,
+                    mediaInfo = state.mediaInfo,
-                    onReady = ::onMediaReady
                 )
                 ThumbnailView(
                     thumbnailSource = state.thumbnailSource,
@@ -164,6 +148,27 @@ fun MediaViewerView(
     }
 }
 
+@Composable
+private fun rememberShowProgress(downloadedMedia: Async<LocalMedia>): Boolean {
+    var showProgress by remember {
+        mutableStateOf(false)
+    }
+    if (LocalInspectionMode.current) {
+        showProgress = downloadedMedia.isLoading()
+    } else {
+        // Trick to avoid showing progress indicator if the media is already on disk.
+        // When sdk will expose download progress we'll be able to remove this.
+        LaunchedEffect(downloadedMedia) {
+            showProgress = false
+            delay(100)
+            if (downloadedMedia.isLoading()) {
+                showProgress = true
+            }
+        }
+    }
+    return showProgress
+}
+
 @Composable
 private fun MediaViewerTopBar(
     actionsEnabled: Boolean,

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/event/TimelineItemFileView.kt

@@ -79,6 +79,8 @@ fun TimelineItemFileView(
                 text = content.fileExtensionAndSize,
                 color = MaterialTheme.colorScheme.secondary,
                 fontSize = 12.sp,
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis,
             )
         }
     }