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Render using yeeted
toAnnotatedString
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118 changes: 118 additions & 0 deletions
118
app/src/main/java/com/imashnake/animite/dev/ext/SpannableExt.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| package com.imashnake.animite.dev.ext | ||
|
|
||
| import android.graphics.Typeface | ||
| import android.text.Spanned | ||
| import android.text.style.CharacterStyle | ||
| import android.text.style.ForegroundColorSpan | ||
| import android.text.style.StyleSpan | ||
| import android.text.style.URLSpan | ||
| import android.text.style.UnderlineSpan | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.text.AnnotatedString | ||
| import androidx.compose.ui.text.SpanStyle | ||
| import androidx.compose.ui.text.font.FontStyle | ||
| import androidx.compose.ui.text.font.FontWeight | ||
| import androidx.compose.ui.text.style.TextDecoration | ||
|
|
||
| /** | ||
| * [Yeeted](https://stackoverflow.com/a/74100225/11944949). | ||
| */ | ||
| fun Spanned.toAnnotatedString(primaryColor: Color): AnnotatedString { | ||
| val builder = AnnotatedString.Builder(this.toString()) | ||
| val copierContext = CopierContext(primaryColor) | ||
| SpanCopier.entries.forEach { copier -> | ||
| getSpans(0, length, copier.spanClass).forEach { span -> | ||
| copier.copySpan(span, getSpanStart(span), getSpanEnd(span), builder, copierContext) | ||
| } | ||
| } | ||
| return builder.toAnnotatedString() | ||
| } | ||
|
|
||
| private data class CopierContext( | ||
| val primaryColor: Color, | ||
| ) | ||
|
|
||
| private enum class SpanCopier { | ||
| URL { | ||
| override val spanClass = URLSpan::class.java | ||
| override fun copySpan( | ||
| span: Any, | ||
| start: Int, | ||
| end: Int, | ||
| destination: AnnotatedString.Builder, | ||
| context: CopierContext | ||
| ) { | ||
| val urlSpan = span as URLSpan | ||
| destination.addStringAnnotation( | ||
| tag = name, | ||
| annotation = urlSpan.url, | ||
| start = start, | ||
| end = end, | ||
| ) | ||
| destination.addStyle( | ||
| style = SpanStyle(color = context.primaryColor, textDecoration = TextDecoration.Underline), | ||
| start = start, | ||
| end = end, | ||
| ) | ||
| } | ||
| }, | ||
| FOREGROUND_COLOR { | ||
| override val spanClass = ForegroundColorSpan::class.java | ||
| override fun copySpan( | ||
| span: Any, | ||
| start: Int, | ||
| end: Int, | ||
| destination: AnnotatedString.Builder, | ||
| context: CopierContext | ||
| ) { | ||
| val colorSpan = span as ForegroundColorSpan | ||
| destination.addStyle( | ||
| style = SpanStyle(color = Color(colorSpan.foregroundColor)), | ||
| start = start, | ||
| end = end, | ||
| ) | ||
| } | ||
| }, | ||
| UNDERLINE { | ||
| override val spanClass = UnderlineSpan::class.java | ||
| override fun copySpan( | ||
| span: Any, | ||
| start: Int, | ||
| end: Int, | ||
| destination: AnnotatedString.Builder, | ||
| context: CopierContext | ||
| ) { | ||
| destination.addStyle( | ||
| style = SpanStyle(textDecoration = TextDecoration.Underline), | ||
| start = start, | ||
| end = end, | ||
| ) | ||
| } | ||
| }, | ||
| STYLE { | ||
| override val spanClass = StyleSpan::class.java | ||
| override fun copySpan( | ||
| span: Any, | ||
| start: Int, | ||
| end: Int, | ||
| destination: AnnotatedString.Builder, | ||
| context: CopierContext | ||
| ) { | ||
| val styleSpan = span as StyleSpan | ||
|
|
||
| destination.addStyle( | ||
| style = when (styleSpan.style) { | ||
| Typeface.ITALIC -> SpanStyle(fontStyle = FontStyle.Italic) | ||
| Typeface.BOLD -> SpanStyle(fontWeight = FontWeight.Bold) | ||
| Typeface.BOLD_ITALIC -> SpanStyle(fontWeight = FontWeight.Bold, fontStyle = FontStyle.Italic) | ||
| else -> SpanStyle() | ||
| }, | ||
| start = start, | ||
| end = end, | ||
| ) | ||
| } | ||
| }; | ||
|
|
||
| abstract val spanClass: Class<out CharacterStyle> | ||
| abstract fun copySpan(span: Any, start: Int, end: Int, destination: AnnotatedString.Builder, context: CopierContext) | ||
| } |
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3 changes: 2 additions & 1 deletion
3
app/src/main/java/com/imashnake/animite/features/media/MediaUiState.kt
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