common: extract htmlToMarkdown passing style to a composition local

android/src/main/kotlin/dev/msfjarvis/claw/android/MainActivity.kt

@@ -9,6 +9,7 @@ import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.core.view.WindowCompat
 import dagger.hilt.android.AndroidEntryPoint
 import dev.msfjarvis.claw.android.ui.LobstersApp
+import dev.msfjarvis.claw.common.comments.HTMLConverter
 import dev.msfjarvis.claw.common.urllauncher.UrlLauncher
 import javax.inject.Inject
 
@@ -16,6 +17,7 @@ import javax.inject.Inject
 class MainActivity : ComponentActivity() {
 
   @Inject lateinit var urlLauncher: UrlLauncher
+  @Inject lateinit var htmlConverter: HTMLConverter
   private var webUri: String? = null
 
   override fun onCreate(savedInstanceState: Bundle?) {
@@ -25,6 +27,7 @@ class MainActivity : ComponentActivity() {
     setContent {
       LobstersApp(
         urlLauncher = urlLauncher,
+        htmlConverter = htmlConverter,
       ) { url -> webUri = url }
     }
   }

android/src/main/kotlin/dev/msfjarvis/claw/android/injection/HTMLConverterModule.kt

@@ -0,0 +1,23 @@
+package dev.msfjarvis.claw.android.injection
+
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import dev.msfjarvis.claw.common.comments.HTMLConverter
+import io.github.furstenheim.CopyDown
+
+@Module
+@InstallIn(SingletonComponent::class)
+object HTMLConverterModule {
+
+  @Provides
+  fun provideHTMLConverter() =
+    object : HTMLConverter {
+      private val copydown = CopyDown()
+
+      override fun convertHTMLToMarkdown(html: String): String {
+        return copydown.convert(html)
+      }
+    }
+}

android/src/main/kotlin/dev/msfjarvis/claw/android/ui/LobstersApp.kt

@@ -31,11 +31,12 @@ import com.google.accompanist.insets.statusBarsPadding
 import com.google.accompanist.systemuicontroller.rememberSystemUiController
 import dev.msfjarvis.claw.android.viewmodel.ClawViewModel
 import dev.msfjarvis.claw.common.comments.CommentsPage
+import dev.msfjarvis.claw.common.comments.HTMLConverter
+import dev.msfjarvis.claw.common.comments.LocalHTMLConverter
 import dev.msfjarvis.claw.common.posts.PostActions
 import dev.msfjarvis.claw.common.theme.LobstersTheme
 import dev.msfjarvis.claw.common.urllauncher.UrlLauncher
 import dev.msfjarvis.claw.database.local.SavedPost
-import io.github.furstenheim.CopyDown
 
 private const val ScrollDelta = 50
 
@@ -44,9 +45,9 @@ private const val ScrollDelta = 50
 fun LobstersApp(
   viewModel: ClawViewModel = viewModel(),
   urlLauncher: UrlLauncher,
+  htmlConverter: HTMLConverter,
   setWebUri: (String) -> Unit,
 ) {
-  val copydown = remember { CopyDown() }
   val systemUiController = rememberSystemUiController()
   val scaffoldState = rememberScaffoldState()
   val listState = rememberLazyListState()
@@ -93,7 +94,11 @@ fun LobstersApp(
   }
   LobstersTheme(
     darkTheme = isSystemInDarkTheme(),
-    providedValues = arrayOf(LocalUriHandler provides urlLauncher),
+    providedValues =
+      arrayOf(
+        LocalUriHandler provides urlLauncher,
+        LocalHTMLConverter provides htmlConverter,
+      ),
   ) {
     ProvideWindowInsets {
       val useDarkIcons = MaterialTheme.colors.isLight
@@ -134,7 +139,6 @@ fun LobstersApp(
             CommentsPage(
               postId = postId,
               getDetails = viewModel::getPostComments,
-              htmlToMarkdown = { source -> copydown.convert(source) },
               paddingValues = paddingValues,
             )
           }