Move Emoji.parseToUnicode to Dispatcher.IO (#7108)

* Move Emoji.parseToUnicode to Dispatcher.IO

* Fix wear build

Author: TimoPtr

app/src/main/kotlin/io/homeassistant/companion/android/notifications/MessagingManager.kt

@@ -1311,7 +1311,7 @@ class MessagingManager @Inject constructor(
         builder.setAutoCancel(!sticky)
     }
 
-    private fun handleSubject(builder: NotificationCompat.Builder, data: Map<String, String>) {
+    private suspend fun handleSubject(builder: NotificationCompat.Builder, data: Map<String, String>) {
         val subject = data[SUBJECT]
         if (!subject.isNullOrBlank()) {
             builder.setContentText(prepareText(subject))

common/src/main/kotlin/io/homeassistant/companion/android/common/notifications/NotificationFunctions.kt

@@ -28,6 +28,8 @@ import io.homeassistant.companion.android.common.util.CHANNEL_GENERAL
 import io.homeassistant.companion.android.common.util.SdkVersion
 import io.homeassistant.companion.android.common.util.cancel
 import java.util.Locale
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import timber.log.Timber
 
 object NotificationData {
@@ -216,7 +218,7 @@ fun handleSmallIcon(context: Context, builder: NotificationCompat.Builder, data:
     }
 }
 
-fun getGroupNotificationBuilder(
+suspend fun getGroupNotificationBuilder(
     context: Context,
     channelId: String,
     group: String,
@@ -240,11 +242,12 @@ fun getGroupNotificationBuilder(
     return groupNotificationBuilder
 }
 
-fun prepareText(text: String): Spanned {
+// Emoji parser can trigger a read from the disk so it needs to happen on IO
+suspend fun prepareText(text: String): Spanned = withContext(Dispatchers.IO) {
     // Replace control char \r\n, \r, \n and also \r\n, \r, \n as text literals in strings to <br>
     val brText = text.replace("(\r\n|\r|\n)|(\\\\r\\\\n|\\\\r|\\\\n)".toRegex(), "<br>")
     val emojiParsedText = EmojiParser.parseToUnicode(brText)
-    return HtmlCompat.fromHtml(emojiParsedText, HtmlCompat.FROM_HTML_MODE_LEGACY)
+    return@withContext HtmlCompat.fromHtml(emojiParsedText, HtmlCompat.FROM_HTML_MODE_LEGACY)
 }
 
 fun handleColor(context: Context, builder: NotificationCompat.Builder, data: Map<String, String>) {
@@ -253,7 +256,7 @@ fun handleColor(context: Context, builder: NotificationCompat.Builder, data: Map
     builder.color = color
 }
 
-fun handleText(builder: NotificationCompat.Builder, data: Map<String, String>) {
+suspend fun handleText(builder: NotificationCompat.Builder, data: Map<String, String>) {
     data[NotificationData.TITLE]?.let {
         builder.setContentTitle(prepareText(it))
     }

wear/src/main/kotlin/io/homeassistant/companion/android/notifications/MessagingManager.kt

@@ -107,7 +107,7 @@ class MessagingManager @Inject constructor(
     }
 
     @SuppressLint("MissingPermission")
-    private fun sendNotification(data: Map<String, String>, received: Long? = null) {
+    private suspend fun sendNotification(data: Map<String, String>, received: Long? = null) {
         val notificationManagerCompat = NotificationManagerCompat.from(context)
 
         val tag = data["tag"].takeIf { !it.isNullOrBlank() }