Introduce ClickableLinkText

libraries/designsystem/src/main/java/io/element/android/x/designsystem/components/ClickableLinkText.kt

@@ -0,0 +1,72 @@
+package io.element.android.x.designsystem.components
+
+import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.interaction.PressInteraction
+import androidx.compose.foundation.text.InlineTextContent
+import androidx.compose.material3.LocalTextStyle
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.platform.LocalUriHandler
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.TextLayoutResult
+import androidx.compose.ui.text.TextStyle
+
+@Composable
+fun ClickableLinkText(
+    text: AnnotatedString,
+    linkAnnotationTag: String,
+    onClick: () -> Unit,
+    onLongClick: () -> Unit,
+    interactionSource: MutableInteractionSource,
+    modifier: Modifier = Modifier,
+    style: TextStyle = LocalTextStyle.current,
+    inlineContent: Map<String, InlineTextContent> = mapOf(),
+) {
+    val uriHandler = LocalUriHandler.current
+    val layoutResult = remember { mutableStateOf<TextLayoutResult?>(null) }
+    val pressIndicator = Modifier.pointerInput(onClick) {
+        detectTapGestures(
+            onPress = { offset: Offset ->
+                val pressInteraction = PressInteraction.Press(offset)
+                interactionSource.emit(pressInteraction)
+                val isReleased = tryAwaitRelease()
+                if (isReleased) {
+                    interactionSource.emit(PressInteraction.Release(pressInteraction))
+                } else {
+                    interactionSource.emit(PressInteraction.Cancel(pressInteraction))
+                }
+            },
+            onLongPress = {
+                onLongClick()
+            }
+        ) { offset ->
+            layoutResult.value?.let { layoutResult ->
+                val position = layoutResult.getOffsetForPosition(offset)
+                val linkAnnotations =
+                    text.getStringAnnotations(linkAnnotationTag, position, position)
+                if (linkAnnotations.isEmpty()) {
+                    onClick()
+                } else {
+                    uriHandler.openUri(linkAnnotations.first().item)
+                }
+            }
+
+        }
+    }
+    Text(
+        text = text,
+        modifier = modifier.then(pressIndicator),
+        style = style,
+        onTextLayout = {
+            layoutResult.value = it
+        },
+        inlineContent = inlineContent
+    )
+}
+