Parse for video segments and exclude them from image gallery

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt

@@ -81,6 +81,7 @@ import com.vitorpamplona.amethyst.commons.richtext.RichTextViewerState
 import com.vitorpamplona.amethyst.commons.richtext.SchemelessUrlSegment
 import com.vitorpamplona.amethyst.commons.richtext.SecretEmoji
 import com.vitorpamplona.amethyst.commons.richtext.Segment
+import com.vitorpamplona.amethyst.commons.richtext.VideoSegment
 import com.vitorpamplona.amethyst.commons.richtext.WithdrawSegment
 import com.vitorpamplona.amethyst.model.HashtagIcon
 import com.vitorpamplona.amethyst.model.LocalCache
@@ -92,7 +93,6 @@ import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUse
 import com.vitorpamplona.amethyst.ui.actions.CrossfadeIfEnabled
 import com.vitorpamplona.amethyst.ui.components.markdown.RenderContentAsMarkdown
 import com.vitorpamplona.amethyst.ui.navigation.navs.EmptyNav
-import com.vitorpamplona.amethyst.ui.navigation.navs.EmptyNav.nav
 import com.vitorpamplona.amethyst.ui.navigation.navs.INav
 import com.vitorpamplona.amethyst.ui.navigation.routes.Route
 import com.vitorpamplona.amethyst.ui.navigation.routes.routeFor
@@ -112,7 +112,6 @@ import com.vitorpamplona.quartz.nip01Core.core.ImmutableListOfLists
 import com.vitorpamplona.quartz.nip10Notes.TextNoteEvent
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import kotlin.text.Typography.paragraph
 
 fun isMarkdown(content: String): Boolean =
     content.startsWith("> ") ||
@@ -416,6 +415,8 @@ private fun RenderWordWithoutPreview(
     when (word) {
         // Don't preview Images
         is ImageSegment -> ClickableUrl(word.segmentText, word.segmentText)
+        // Don't preview Videos
+        is VideoSegment -> ClickableUrl(word.segmentText, word.segmentText)
         is LinkSegment -> ClickableUrl(word.segmentText, word.segmentText)
         is EmojiSegment -> RenderCustomEmoji(word.segmentText, state)
         // Don't offer to pay invoices
@@ -447,6 +448,7 @@ private fun RenderWordWithPreview(
 ) {
     when (word) {
         is ImageSegment -> ZoomableContentView(word.segmentText, state, accountViewModel)
+        is VideoSegment -> ZoomableContentView(word.segmentText, state, accountViewModel)
         is LinkSegment -> LoadUrlPreview(word.segmentText, word.segmentText, callbackUri, accountViewModel)
         is EmojiSegment -> RenderCustomEmoji(word.segmentText, state)
         is InvoiceSegment -> MayBeInvoicePreview(word.segmentText, accountViewModel)

commons/src/main/java/com/vitorpamplona/amethyst/commons/richtext/GalleryParser.kt

@@ -37,6 +37,7 @@ class GalleryParser {
         paragraph.words.forEach { word ->
             when (word) {
                 is ImageSegment, is Base64Segment -> imageCount++
+                is VideoSegment -> hasNonWhitespaceNonImageContent = true // Videos are not images
                 is RegularTextSegment -> {
                     if (word.segmentText.isNotBlank()) {
                         hasNonWhitespaceNonImageContent = true
@@ -146,13 +147,18 @@ class GalleryParser {
             val word = paragraph.words[i]
 
             if (word is ImageSegment || word is Base64Segment) {
-                // Collect consecutive image/whitespace segments without extra list allocations
+                // Collect consecutive image/whitespace segments (but not videos)
                 val imageSegments = mutableListOf<Segment>()
                 var j = i
+                var hasVideo = false
 
                 while (j < n) {
                     val seg = paragraph.words[j]
                     when {
+                        seg is VideoSegment -> {
+                            hasVideo = true
+                            break
+                        }
                         seg is ImageSegment || seg is Base64Segment -> imageSegments.add(seg)
                         seg is RegularTextSegment && seg.segmentText.isBlank() -> { /* skip whitespace */ }
                         else -> break
@@ -160,8 +166,9 @@ class GalleryParser {
                     j++
                 }
 
-                if (imageSegments.size <= 1) {
-                    currentParagraphSegments.add(word)
+                // If we found a video, don't create a gallery - render images individually
+                if (hasVideo || imageSegments.size <= 1) {
+                    currentParagraphSegments.addAll(imageSegments)
                 } else {
                     if (currentParagraphSegments.isNotEmpty()) {
                         resultingParagraphs.add(ParagraphState(currentParagraphSegments.toImmutableList(), paragraph.isRTL))

commons/src/main/java/com/vitorpamplona/amethyst/commons/richtext/RichTextParser.kt

@@ -139,9 +139,12 @@ class RichTextParser {
         val imagesForPager =
             urlSet.mapNotNull { fullUrl -> createMediaContent(fullUrl, imetas, content, callbackUri) }.associateBy { it.url }
 
+        val imageUrls = imagesForPager.filterValues { it is MediaUrlImage }.keys
+        val videoUrls = imagesForPager.filterValues { it is MediaUrlVideo }.keys
+
         val emojiMap = CustomEmoji.createEmojiMap(tags)
 
-        val segments = findTextSegments(content, imagesForPager.keys, urlSet, emojiMap, tags)
+        val segments = findTextSegments(content, imageUrls, videoUrls, urlSet, emojiMap, tags)
 
         val base64Images = segments.map { it.words.filterIsInstance<Base64Segment>() }.flatten()
 
@@ -164,6 +167,7 @@ class RichTextParser {
     private fun findTextSegments(
         content: String,
         images: Set<String>,
+        videos: Set<String>,
         urls: Set<String>,
         emojis: Map<String, String>,
         tags: ImmutableListOfLists<String>,
@@ -177,7 +181,7 @@ class RichTextParser {
             val wordList = paragraph.trimEnd().split(' ')
             val segments = ArrayList<Segment>(wordList.size)
             wordList.forEach { word ->
-                segments.add(wordIdentifier(word, images, urls, emojis, tags))
+                segments.add(wordIdentifier(word, images, videos, urls, emojis, tags))
             }
 
             paragraphSegments.add(ParagraphState(segments.toPersistentList(), isRTL))
@@ -229,6 +233,7 @@ class RichTextParser {
     private fun wordIdentifier(
         word: String,
         images: Set<String>,
+        videos: Set<String>,
         urls: Set<String>,
         emojis: Map<String, String>,
         tags: ImmutableListOfLists<String>,
@@ -239,6 +244,8 @@ class RichTextParser {
 
         if (images.contains(word)) return ImageSegment(word)
 
+        if (videos.contains(word)) return VideoSegment(word)
+
         if (urls.contains(word)) return LinkSegment(word)
 
         if (CustomEmoji.fastMightContainEmoji(word, emojis) && emojis.any { word.contains(it.key) }) return EmojiSegment(word)