Display content warning reason

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

@@ -60,6 +60,7 @@ import com.vitorpamplona.amethyst.ui.theme.ButtonPadding
 import com.vitorpamplona.amethyst.ui.theme.PaddingHorizontal12Modifier
 import com.vitorpamplona.amethyst.ui.theme.ThemeComparisonColumn
 import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip36SensitiveContent.contentWarningReason
 import com.vitorpamplona.quartz.nip36SensitiveContent.isSensitiveOrNSFW
 
 @Composable
@@ -79,17 +80,9 @@ fun SensitivityWarning(
 ) {
     val hasSensitiveContent = remember(event) { event.isSensitiveOrNSFW() }
 
-    SensitivityWarning(hasSensitiveContent, accountViewModel, content)
-}
-
-@Composable
-fun SensitivityWarning(
-    hasSensitiveContent: Boolean,
-    accountViewModel: AccountViewModel,
-    content: @Composable () -> Unit,
-) {
     if (hasSensitiveContent) {
-        SensitivityWarning(accountViewModel, content)
+        val reason = remember(event) { event.contentWarningReason() }
+        ObserveSensitivityWarning(reason, accountViewModel, content)
     } else {
         content()
     }
@@ -97,6 +90,20 @@ fun SensitivityWarning(
 
 @Composable
 fun SensitivityWarning(
+    reason: String?,
+    accountViewModel: AccountViewModel,
+    content: @Composable () -> Unit,
+) {
+    if (reason != null) {
+        ObserveSensitivityWarning(reason, accountViewModel, content)
+    } else {
+        content()
+    }
+}
+
+@Composable
+fun ObserveSensitivityWarning(
+    reason: String?,
     accountViewModel: AccountViewModel,
     content: @Composable () -> Unit,
 ) {
@@ -106,7 +113,7 @@ fun SensitivityWarning(
 
     CrossfadeIfEnabled(targetState = showContentWarningNote, accountViewModel = accountViewModel) {
         if (it) {
-            ContentWarningNote { showContentWarningNote = false }
+            ContentWarningNote(reason) { showContentWarningNote = false }
         } else {
             content()
         }
@@ -117,12 +124,31 @@ fun SensitivityWarning(
 @Composable
 fun ContentWarningNotePreview() {
     ThemeComparisonColumn {
-        ContentWarningNote {}
+        ContentWarningNote(null) {}
+    }
+}
+
+@Preview
+@Composable
+fun ContentWarningNoteWithReasonPreview() {
+    ThemeComparisonColumn {
+        ContentWarningNote("Spoilers") {}
+    }
+}
+
+@Preview
+@Composable
+fun ContentWarningNoteWithBigReasonPreview() {
+    ThemeComparisonColumn {
+        ContentWarningNote("Spoilers, monkeys, bannanas, and other things") {}
     }
 }
 
 @Composable
-fun ContentWarningNote(onDismiss: () -> Unit) {
+fun ContentWarningNote(
+    reason: String?,
+    onDismiss: () -> Unit,
+) {
     Column {
         Row(modifier = PaddingHorizontal12Modifier) {
             Column(modifier = Modifier.padding(start = 10.dp)) {
@@ -155,19 +181,28 @@ fun ContentWarningNote(onDismiss: () -> Unit) {
 
                 Row(Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.Center) {
                     Text(
-                        text = stringRes(R.string.content_warning),
+                        text =
+                            if (reason.isNullOrBlank()) {
+                                stringRes(R.string.content_warning)
+                            } else {
+                                stringRes(R.string.content_warning_with_reason, reason)
+                            },
                         fontWeight = FontWeight.Bold,
                         fontSize = 18.sp,
+                        softWrap = true,
+                        textAlign = TextAlign.Center,
                     )
                 }
 
-                Row {
+                if (reason.isNullOrBlank()) {
-                    Text(
+                    Row {
-                        text = stringRes(R.string.content_warning_explanation),
+                        Text(
-                        color = Color.Gray,
+                            text = stringRes(R.string.content_warning_explanation),
-                        modifier = Modifier.padding(top = 10.dp),
+                            color = Color.Gray,
-                        textAlign = TextAlign.Center,
+                            modifier = Modifier.padding(top = 10.dp),
-                    )
+                            textAlign = TextAlign.Center,
+                        )
+                    }
                 }
 
                 Row(Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.Center) {

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

@@ -140,7 +140,7 @@ fun ZoomableContentView(
 
     when (content) {
         is MediaUrlImage -> {
-            SensitivityWarning(content.contentWarning != null, accountViewModel) {
+            SensitivityWarning(content.contentWarning, accountViewModel) {
                 TwoSecondController(content) { controllerVisible ->
                     val mainImageModifier =
                         Modifier
@@ -153,7 +153,7 @@ fun ZoomableContentView(
         }
 
         is MediaUrlVideo -> {
-            SensitivityWarning(content.contentWarning != null, accountViewModel) {
+            SensitivityWarning(content.contentWarning, accountViewModel) {
                 Box(modifier = Modifier.fillMaxWidth(), contentAlignment = Alignment.Center) {
                     VideoView(
                         videoUri = content.url,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/gallery/GalleryThumb.kt

@@ -171,10 +171,13 @@ fun GalleryContentView(
     AutoNonlazyGrid(contentList.size, modifier = Modifier.fillMaxSize()) { contentIndex ->
         when (val content = contentList[contentIndex]) {
             is MediaUrlContent -> {
-                val hasSensitiveContent =
+                val sensitivityReason =
-                    (content is MediaUrlVideo && content.contentWarning != null) ||
+                    when (content) {
-                        (content is MediaUrlImage && content.contentWarning != null)
+                        is MediaUrlVideo -> content.contentWarning
-                SensitivityWarning(hasSensitiveContent, accountViewModel) {
+                        is MediaUrlImage -> content.contentWarning
+                        else -> null
+                    }
+                SensitivityWarning(sensitivityReason, accountViewModel) {
                     UrlImageView(content, accountViewModel)
                 }
             }

amethyst/src/main/res/values/strings.xml

@@ -743,6 +743,7 @@
     <string name="today">Today</string>
 
     <string name="content_warning">Content warning</string>
+    <string name="content_warning_with_reason">Warning: %1$s</string>
     <string name="content_warning_explanation">This post contains sensitive content which some people may find offensive or disturbing</string>
     <string name="content_warning_hide_all_sensitive_content">Always hide sensitive content</string>
     <string name="content_warning_show_all_sensitive_content">Always show sensitive content</string>

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip36SensitiveContent/ContentWarningTag.kt

@@ -22,6 +22,7 @@ package com.vitorpamplona.quartz.nip36SensitiveContent
 
 import com.vitorpamplona.quartz.nip01Core.core.has
 import com.vitorpamplona.quartz.utils.arrayOfNotNull
+import com.vitorpamplona.quartz.utils.ensure
 
 class ContentWarningTag(
     val reason: String? = null,
@@ -33,9 +34,9 @@ class ContentWarningTag(
 
         fun isTag(tag: Array<String>) = tag.has(0) && tag[0] == TAG_NAME
 
-        fun parse(tags: Array<String>): ContentWarningTag {
+        fun parse(tags: Array<String>): ContentWarningTag? {
-            require(tags[0] == TAG_NAME)
+            ensure(tags[0] == TAG_NAME) { return null }
-            return ContentWarningTag(tags.getOrNull(1))
+            return ContentWarningTag(tags.getOrNull(1).ifBlank { null })
         }
 
         fun assemble() = arrayOfNotNull(TAG_NAME)

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip36SensitiveContent/TagArrayExt.kt

@@ -29,4 +29,4 @@ fun TagArray.isSensitive() = this.any(ContentWarningTag::isTag)
 
 fun TagArray.isSensitiveOrNSFW() = this.any { ContentWarningTag.isTag(it) || HashtagTag.isAnyTagged(it, nsfwTags) }
 
-fun TagArray.contentWarningReason() = this.firstOrNull(ContentWarningTag::isTag)?.getOrNull(1)
+fun TagArray.contentWarningReason() = this.firstNotNullOfOrNull(ContentWarningTag::parse)?.reason