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perf(feeds): remember isSensitive and content warning reasons per note

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These derivations iterate every tag and parse every iMeta, so running
them on each recomposition churns through feed scrolls. Cache them in
remember(note) alongside the other per-note derivations.
This commit is contained in:
Claude
2026-04-19 14:47:20 +00:00
parent 60a56440d1
commit dcaa6607ea
5 changed files with 17 additions and 17 deletions
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amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/PictureDisplay.kt
+3 -3
View File
@@ -67,9 +67,9 @@ fun PictureDisplay(
nav: INav,
) {
val event = (note.event as? PictureEvent) ?: return
val uri = note.toNostrUri()
val isSensitive = event.isSensitiveOrNSFW()
val reasons = collectContentWarningReasons(event)
val uri = remember(note) { note.toNostrUri() }
val isSensitive = remember(note) { event.isSensitiveOrNSFW() }
val reasons = remember(note) { collectContentWarningReasons(event) }
val images by
remember(note) {
amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/VideoDisplay.kt
+3 -3
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@@ -53,9 +53,9 @@ fun JustVideoDisplay(
val event = (videoEvent as? Event) ?: return
val imeta = videoEvent.imetaTags().getOrNull(0) ?: return
val isSensitive = event.isSensitiveOrNSFW()
val reasons = collectContentWarningReasons(event)
val isImage = imeta.mimeType?.startsWith("image/") == true || RichTextParser.isImageUrl(imeta.url)
val isSensitive = remember(note) { event.isSensitiveOrNSFW() }
val reasons = remember(note) { collectContentWarningReasons(event) }
val isImage = remember(note) { imeta.mimeType?.startsWith("image/") == true || RichTextParser.isImageUrl(imeta.url) }
val content by
remember(note) {
amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/pictures/PictureCardCompose.kt
+3 -3
View File
@@ -97,9 +97,9 @@ private fun PictureCardImage(
backgroundColor: MutableState<Color>,
accountViewModel: AccountViewModel,
) {
val uri = note.toNostrUri()
val isSensitive = event.isSensitiveOrNSFW()
val reasons = collectContentWarningReasons(event)
val uri = remember(note) { note.toNostrUri() }
val isSensitive = remember(note) { event.isSensitiveOrNSFW() }
val reasons = remember(note) { collectContentWarningReasons(event) }
val images by
remember(note) {
amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/shorts/VideoCardCompose.kt
+3 -3
View File
@@ -103,9 +103,9 @@ private fun VideoCardImage(
val event = (event as? Event) ?: return
val imeta = videoEvent.imetaTags().getOrNull(0) ?: return
val isSensitive = event.isSensitiveOrNSFW()
val reasons = collectContentWarningReasons(event)
val isImage = imeta.mimeType?.startsWith("image/") == true || RichTextParser.isImageUrl(imeta.url)
val isSensitive = remember(note) { event.isSensitiveOrNSFW() }
val reasons = remember(note) { collectContentWarningReasons(event) }
val isImage = remember(note) { imeta.mimeType?.startsWith("image/") == true || RichTextParser.isImageUrl(imeta.url) }
val content by
remember(note) {
amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/video/FileHeaderCardCompose.kt
+5 -5
View File
@@ -100,11 +100,11 @@ private fun FileHeaderCardImage(
) {
val fullUrl = event.url() ?: return
val isSensitive = event.isSensitiveOrNSFW()
val reasons = collectContentWarningReasons(event)
val isImage = event.mimeType()?.startsWith("image/") == true || RichTextParser.isImageUrl(fullUrl)
val blurHash = event.blurhash()
val dimensions = event.dimensions()
val isSensitive = remember(note) { event.isSensitiveOrNSFW() }
val reasons = remember(note) { collectContentWarningReasons(event) }
val isImage = remember(note) { event.mimeType()?.startsWith("image/") == true || RichTextParser.isImageUrl(fullUrl) }
val blurHash = remember(note) { event.blurhash() }
val dimensions = remember(note) { event.dimensions() }
val content by remember(note) {
val hash = event.hash()