Bulk rewrite continues

app/src/main/AndroidManifest.xml

@@ -36,7 +36,6 @@
             android:theme="@style/Theme.TwoM">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
@@ -46,13 +45,17 @@
             android:theme="@style/Theme.TwoM" />
 
         <activity
-            android:name=".activities.RoomActivity"
+            android:name=".activities.ViewRoomActivity"
             android:theme="@style/Theme.TwoM" />
 
         <activity
             android:name=".activities.CreateRoomActivity"
             android:theme="@style/Theme.TwoM" />
 
+        <activity
+            android:name=".activities.InviteUserActivity"
+            android:theme="@style/Theme.TwoM.BottomSheetDialog" />
+
     </application>
 
 </manifest>

app/src/main/java/eu/steffo/twom/activities/InviteUserActivity.kt

@@ -0,0 +1,35 @@
+package eu.steffo.twom.activities
+
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.result.contract.ActivityResultContract
+import androidx.compose.material3.Text
+
+
+class InviteUserActivity : ComponentActivity() {
+    companion object {
+        const val USER_EXTRA = "user"
+    }
+
+    class Contract : ActivityResultContract<Unit, String?>() {
+        override fun createIntent(context: Context, input: Unit): Intent {
+            return Intent(context, CreateRoomActivity::class.java)
+        }
+
+        override fun parseResult(resultCode: Int, intent: Intent?): String? {
+            return when (resultCode) {
+                RESULT_OK -> intent!!.getStringExtra(USER_EXTRA)
+                else -> null
+            }
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContent { Text("Garasauto Prime") }
+    }
+}

app/src/main/java/eu/steffo/twom/activities/LoginActivity.kt

@@ -9,12 +9,17 @@ import eu.steffo.twom.composables.login.LoginScaffold
 
 
 class LoginActivity : ComponentActivity() {
-    class Contract : ActivityResultContract<Unit, Unit>() {
+    class Contract : ActivityResultContract<Unit, Unit?>() {
         override fun createIntent(context: Context, input: Unit): Intent {
             return Intent(context, LoginActivity::class.java)
         }
 
-        override fun parseResult(resultCode: Int, intent: Intent?) {}
+        override fun parseResult(resultCode: Int, intent: Intent?): Unit? {
+            return when (resultCode) {
+                RESULT_OK -> Unit
+                else -> null
+            }
+        }
     }
 
     override fun onStart() {

app/src/main/java/eu/steffo/twom/activities/MainActivity.kt

@@ -7,12 +7,10 @@ import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.result.ActivityResult
-import androidx.activity.result.ActivityResultLauncher
-import androidx.activity.result.contract.ActivityResultContracts
 import androidx.core.net.toFile
 import androidx.lifecycle.lifecycleScope
 import eu.steffo.twom.composables.main.MainScaffold
-import eu.steffo.twom.matrix.TwoMMatrix
+import eu.steffo.twom.utils.TwoMGlobals
 import kotlinx.coroutines.launch
 import org.matrix.android.sdk.api.session.Session
 import org.matrix.android.sdk.api.session.room.model.create.CreateRoomParams
@@ -21,38 +19,15 @@ import org.matrix.android.sdk.api.session.room.model.create.CreateRoomStateEvent
 
 
 class MainActivity : ComponentActivity() {
-    private lateinit var loginLauncher: ActivityResultLauncher<Intent>
-    private lateinit var roomLauncher: ActivityResultLauncher<Intent>
-    private lateinit var createLauncher: ActivityResultLauncher<Intent>
-
     private var session: Session? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        TwoMMatrix.ensureMatrix(applicationContext)
+        TwoMGlobals.ensureMatrix(applicationContext)
 
         fetchLastSession()
         openSession()
-
-        loginLauncher =
-            registerForActivityResult(
-                ActivityResultContracts.StartActivityForResult(),
-                this::onLogin
-            )
-
-        roomLauncher =
-            registerForActivityResult(
-                ActivityResultContracts.StartActivityForResult(),
-                this::onRoom
-            )
-
-        createLauncher =
-            registerForActivityResult(
-                ActivityResultContracts.StartActivityForResult(),
-                this::onCreate
-            )
-
         resetContent()
     }
 
@@ -64,7 +39,7 @@ class MainActivity : ComponentActivity() {
 
     private fun fetchLastSession() {
         Log.d("Main", "Fetching the last successfully authenticated session...")
-        session = TwoMMatrix.matrix.authenticationService().getLastAuthenticatedSession()
+        session = TwoMGlobals.matrix.authenticationService().getLastAuthenticatedSession()
     }
 
     private fun openSession() {
@@ -99,27 +74,6 @@ class MainActivity : ComponentActivity() {
         }
     }
 
-    private fun destroySession() {
-
-    }
-
-    private fun onClickRoom(roomId: String) {
-        Log.d("Main", "Clicked a room, launching room activity...")
-        val intent = Intent(applicationContext, RoomActivity::class.java)
-        intent.putExtra(RoomActivity.ROOM_ID_EXTRA, roomId)
-        roomLauncher.launch(intent)
-    }
-
-    private fun onRoom(result: ActivityResult) {
-        Log.d("Main", "Received result from room activity: $result")
-    }
-
-    private fun onClickCreate() {
-        Log.d("Main", "Clicked the New button, launching create activity...")
-        val intent = Intent(applicationContext, CreateRoomActivity::class.java)
-        createLauncher.launch(intent)
-    }
-
     private fun onCreate(result: ActivityResult) {
         Log.d("Main", "Received result from create activity: $result")
         if (result.resultCode == RESULT_OK) {
@@ -146,7 +100,7 @@ class MainActivity : ComponentActivity() {
                 createRoomParams.name = name
                 createRoomParams.topic = description
                 createRoomParams.preset = CreateRoomPreset.PRESET_PRIVATE_CHAT
-                createRoomParams.roomType = TwoMMatrix.ROOM_TYPE
+                createRoomParams.roomType = TwoMGlobals.ROOM_TYPE
                 createRoomParams.initialStates = mutableListOf(
                     CreateRoomStateEvent(
                         type = "m.room.power_levels",

app/src/main/java/eu/steffo/twom/activities/ViewRoomActivity.kt

@@ -7,18 +7,18 @@ import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContract
-import eu.steffo.twom.matrix.TwoMMatrix
-import eu.steffo.twom.room.RoomActivityScaffold
+import eu.steffo.twom.composables.viewroom.ViewRoomScaffold
+import eu.steffo.twom.utils.TwoMGlobals
 import org.matrix.android.sdk.api.session.Session
 
-class RoomActivity : ComponentActivity() {
+class ViewRoomActivity : ComponentActivity() {
     companion object {
         const val ROOM_ID_EXTRA = "roomId"
     }
 
     class Contract : ActivityResultContract<String, Unit>() {
         override fun createIntent(context: Context, input: String): Intent {
-            val intent = Intent(context, RoomActivity::class.java)
+            val intent = Intent(context, ViewRoomActivity::class.java)
             intent.putExtra(ROOM_ID_EXTRA, input)
             return intent
         }
@@ -31,7 +31,7 @@ class RoomActivity : ComponentActivity() {
     private fun fetchLastSession() {
         Log.d("Main", "Fetching the last successfully authenticated session...")
         // FIXME: If this is null, it means that something launched this while no session was authenticated...
-        session = TwoMMatrix.matrix.authenticationService().getLastAuthenticatedSession()!!
+        session = TwoMGlobals.matrix.authenticationService().getLastAuthenticatedSession()!!
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -47,13 +47,9 @@ class RoomActivity : ComponentActivity() {
         val roomId = intent.getStringExtra(ROOM_ID_EXTRA)
 
         setContent {
-            RoomActivityScaffold(
+            ViewRoomScaffold(
                 session = session,
                 roomId = roomId!!,  // FIXME: Again, this should be set. Should.
-                onBack = {
-                    setResult(RESULT_CANCELED)
-                    finish()
-                },
             )
         }
     }

app/src/main/java/eu/steffo/twom/composables/avatar/AvatarEmpty.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.matrix.avatar
+package eu.steffo.twom.composables.avatar
 
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
@@ -8,16 +8,13 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.semantics.contentDescription
-import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.tooling.preview.Preview
 
 @Composable
 @Preview(widthDp = 40, heightDp = 40)
-fun AvatarFromDefault(
+fun AvatarEmpty(
     modifier: Modifier = Modifier,
-    fallbackText: String = "?",
-    contentDescription: String = "",
+    text: String? = null,
 ) {
     Box(
         modifier = modifier
@@ -26,12 +23,9 @@ fun AvatarFromDefault(
     ) {
         Text(
             modifier = Modifier
-                .align(Alignment.Center)
-                .semantics {
-                    this.contentDescription = ""
-                },
+                .align(Alignment.Center),
             color = MaterialTheme.colorScheme.onTertiary,
-            text = fallbackText,
+            text = text ?: "?",
         )
     }
-}
+}

app/src/main/java/eu/steffo/twom/composables/avatar/AvatarImage.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.matrix.avatar
+package eu.steffo.twom.composables.avatar
 
 import androidx.compose.foundation.Image
 import androidx.compose.runtime.Composable
@@ -6,21 +6,25 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.ImageBitmap
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.tooling.preview.Preview
 
 @Composable
 @Preview(widthDp = 40, heightDp = 40)
-fun AvatarFromImageBitmap(
+fun AvatarImage(
     modifier: Modifier = Modifier,
     bitmap: ImageBitmap? = null,
-    fallbackText: String = "?",
+    fallbackText: String? = null,
     contentDescription: String = "",
 ) {
     if (bitmap == null) {
-        AvatarFromDefault(
-            modifier = modifier,
-            fallbackText = fallbackText,
-            contentDescription = contentDescription,
+        AvatarEmpty(
+            modifier = modifier
+                .semantics {
+                    this.contentDescription = contentDescription
+                },
+            text = fallbackText,
         )
     } else {
         Image(

app/src/main/java/eu/steffo/twom/composables/avatar/AvatarPicker.kt

@@ -15,7 +15,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
-import eu.steffo.twom.matrix.avatar.AvatarFromImageBitmap
 import eu.steffo.twom.utils.BitmapUtilities
 
 @Composable
@@ -49,7 +48,7 @@ fun AvatarPicker(
                 launcher.launch(PickVisualMediaRequest(ActivityResultContracts.PickVisualMedia.ImageOnly))
             }
     ) {
-        AvatarFromImageBitmap(
+        AvatarImage(
             bitmap = selection?.asImageBitmap(),
             fallbackText = fallbackText,
         )

app/src/main/java/eu/steffo/twom/composables/avatar/AvatarURL.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.matrix.avatar
+package eu.steffo.twom.composables.avatar
 
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
@@ -12,16 +12,15 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.tooling.preview.Preview
-import eu.steffo.twom.matrix.LocalSession
-import org.matrix.android.sdk.api.failure.Failure
+import eu.steffo.twom.composables.matrix.LocalSession
 import java.io.File
 
 @Composable
 @Preview(widthDp = 40, heightDp = 40)
-fun AvatarFromURL(
+fun AvatarURL(
     modifier: Modifier = Modifier,
     url: String? = "",
-    fallbackText: String = "?",
+    fallbackText: String? = null,
     contentDescription: String = "",
 ) {
     val session = LocalSession.current
@@ -29,22 +28,22 @@ fun AvatarFromURL(
 
     LaunchedEffect(session, url) GetAvatar@{
         if (session == null) {
-            Log.d("Avatar", "Not doing anything, session is null.")
+            Log.d("AvatarURL", "Not doing anything, session is null.")
             bitmap = null
             return@GetAvatar
         }
         if (url == null) {
-            Log.d("Avatar", "URL is null, not downloading anything.")
+            Log.d("AvatarURL", "URL is null, not downloading anything.")
             bitmap = null
             return@GetAvatar
         }
         if (url.isEmpty()) {
-            Log.d("Avatar", "URL is a zero-length string, not downloading anything.")
+            Log.d("AvatarURL", "URL is a zero-length string, not downloading anything.")
             bitmap = null
             return@GetAvatar
         }
 
-        Log.d("Avatar", "Downloading avatar at: $url")
+        Log.d("AvatarURL", "Downloading avatar at: $url")
         lateinit var avatarFile: File
         try {
             avatarFile = session.fileService().downloadFile(
@@ -53,27 +52,20 @@ fun AvatarFromURL(
                 mimeType = null,
                 elementToDecrypt = null,
             )
-        } catch (f: Failure.OtherServerError) {
-            Log.e("Avatar", "Unable to download avatar at: $url", f)
+        } catch (e: Throwable) {
+            Log.e("AvatarURL", "Unable to download avatar at: $url", e)
             return@GetAvatar
         }
 
         // TODO: Should I check the MIME type? And the size of the image?
-        Log.d("Avatar", "File for $url is: $avatarFile")
+        Log.d("AvatarURL", "File for $url is: $avatarFile")
         bitmap = BitmapFactory.decodeFile(avatarFile.absolutePath)
     }
 
-    if (bitmap == null) {
-        AvatarFromDefault(
-            modifier = modifier,
-            fallbackText = fallbackText,
-            contentDescription = contentDescription
-        )
-    } else {
-        AvatarFromImageBitmap(
-            modifier = modifier,
-            bitmap = bitmap!!.asImageBitmap(),
-            contentDescription = contentDescription,
-        )
-    }
+    AvatarImage(
+        modifier = modifier,
+        bitmap = bitmap?.asImageBitmap(),
+        fallbackText = fallbackText,
+        contentDescription = contentDescription,
+    )
 }

app/src/main/java/eu/steffo/twom/composables/avatar/AvatarUser.kt

@@ -0,0 +1,23 @@
+package eu.steffo.twom.composables.avatar
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import org.matrix.android.sdk.api.session.user.model.User
+import org.matrix.android.sdk.api.util.toMatrixItem
+
+@Composable
+@Preview(widthDp = 40, heightDp = 40)
+fun AvatarUser(
+    modifier: Modifier = Modifier,
+    user: User? = null,
+    fallbackText: String? = null,
+    contentDescription: String = "",
+) {
+    AvatarURL(
+        modifier = modifier,
+        url = user?.avatarUrl,
+        fallbackText = user?.toMatrixItem()?.firstLetterOfDisplayName(),
+        contentDescription = contentDescription,
+    )
+}

app/src/main/java/eu/steffo/twom/composables/avatar/AvatarUserId.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.matrix.avatar
+package eu.steffo.twom.composables.avatar
 
 import android.util.Log
 import androidx.compose.runtime.Composable
@@ -9,11 +9,11 @@ import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
-import eu.steffo.twom.matrix.LocalSession
+import eu.steffo.twom.composables.matrix.LocalSession
 
 @Composable
 @Preview(widthDp = 40, heightDp = 40)
-fun AvatarFromUserId(
+fun AvatarUserId(
     modifier: Modifier = Modifier,
     userId: String = "",
     fallbackText: String = "?",
@@ -24,30 +24,24 @@ fun AvatarFromUserId(
 
     LaunchedEffect(session, userId) GetAvatarUrl@{
         if (session == null) {
-            Log.d("UserAvatar", "Not doing anything, session is null.")
+            Log.d("AvatarUser", "Not doing anything, session is null.")
             return@GetAvatarUrl
         }
+
         if (userId.isEmpty()) {
-            Log.d("UserAvatar", "Not doing anything, userId is empty.")
+            Log.d("AvatarUser", "Not doing anything, userId is empty.")
             return@GetAvatarUrl
         }
-        Log.d("UserAvatar", "Retrieving avatar url for: $userId...")
+
+        Log.d("AvatarUser", "Retrieving avatar url for: $userId...")
         avatarUrl = session.profileService().getAvatarUrl(userId).getOrNull()
-        Log.d("UserAvatar", "Retrieved avatar url for $userId: $avatarUrl")
+        Log.d("AvatarUser", "Retrieved avatar url for $userId: $avatarUrl")
     }
 
-    if (avatarUrl == null) {
-        AvatarFromDefault(
-            modifier = modifier,
-            fallbackText = fallbackText,
-            contentDescription = contentDescription,
-        )
-    } else {
-        AvatarFromURL(
-            modifier = modifier,
-            url = avatarUrl!!,
-            fallbackText = fallbackText,
-            contentDescription = contentDescription,
-        )
-    }
-}
+    AvatarURL(
+        modifier = modifier,
+        url = avatarUrl,
+        fallbackText = fallbackText,
+        contentDescription = contentDescription,
+    )
+}

app/src/main/java/eu/steffo/twom/composables/createroom/CreateRoomForm.kt

@@ -25,7 +25,7 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import eu.steffo.twom.R
 import eu.steffo.twom.composables.avatar.AvatarPicker
-import eu.steffo.twom.theme.TwoMPadding
+import eu.steffo.twom.composables.theme.basePadding
 import eu.steffo.twom.utils.BitmapUtilities
 
 @Composable
@@ -39,7 +39,7 @@ fun CreateRoomForm(
     var avatarUri by rememberSaveable { mutableStateOf<Uri?>(null) }
 
     Column(modifier) {
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             val avatarContentDescription = stringResource(R.string.create_avatar_label)
             AvatarPicker(
                 modifier = Modifier
@@ -67,7 +67,7 @@ fun CreateRoomForm(
             )
         }
 
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             TextField(
                 modifier = Modifier
                     .height(180.dp)
@@ -80,7 +80,7 @@ fun CreateRoomForm(
             )
         }
 
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             Button(
                 modifier = Modifier
                     .fillMaxWidth(),

app/src/main/java/eu/steffo/twom/composables/createroom/CreateRoomScaffold.kt

@@ -11,7 +11,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
 import eu.steffo.twom.activities.CreateRoomActivity
-import eu.steffo.twom.theme.TwoMTheme
+import eu.steffo.twom.composables.theme.TwoMTheme
 
 @Composable
 @Preview

app/src/main/java/eu/steffo/twom/composables/errorhandling/ErrorIconButton.kt

@@ -0,0 +1,66 @@
+package eu.steffo.twom.composables.errorhandling
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Warning
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import eu.steffo.twom.R
+
+
+@Composable
+@Preview
+fun ErrorIconButton(
+    message: String = "Placeholder",
+) {
+    var expanded by rememberSaveable { mutableStateOf(false) }
+
+    IconButton(
+        onClick = { expanded = true },
+    ) {
+        Icon(
+            imageVector = Icons.Filled.Warning,
+            contentDescription = stringResource(R.string.error),
+            tint = MaterialTheme.colorScheme.error,
+        )
+    }
+
+    if (expanded) {
+        AlertDialog(
+            onDismissRequest = { expanded = false },
+            icon = {
+                Icon(
+                    imageVector = Icons.Filled.Warning,
+                    contentDescription = stringResource(R.string.error),
+                )
+            },
+            title = {
+                Text(stringResource(R.string.error))
+            },
+            text = {
+                Text(message)
+            },
+            confirmButton = {
+                TextButton(
+                    onClick = { expanded = false },
+                ) {
+                    Text(stringResource(R.string.close))
+                }
+            },
+            containerColor = MaterialTheme.colorScheme.errorContainer,
+            iconContentColor = MaterialTheme.colorScheme.onErrorContainer,
+            titleContentColor = MaterialTheme.colorScheme.onErrorContainer,
+            textContentColor = MaterialTheme.colorScheme.onErrorContainer,
+        )
+    }
+}

app/src/main/java/eu/steffo/twom/composables/errorhandling/LocalizableError.kt

@@ -0,0 +1,56 @@
+package eu.steffo.twom.composables.errorhandling
+
+import androidx.annotation.StringRes
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+
+class LocalizableError {
+    @StringRes
+    var stringResourceId: Int? = null
+        private set
+
+    var throwable: Throwable? = null
+        private set
+
+    fun set(stringResourceId: Int) {
+        this.stringResourceId = stringResourceId
+        this.throwable = null
+    }
+
+    fun set(stringResourceId: Int, throwable: Throwable) {
+        this.stringResourceId = stringResourceId
+        this.throwable = throwable
+    }
+
+    fun clear() {
+        this.stringResourceId = null
+        this.throwable = null
+    }
+
+    fun occurred(): Boolean {
+        return stringResourceId != null
+    }
+
+    @Composable
+    fun renderString(): String? {
+        val stringResourceId = this.stringResourceId
+        val throwable = this.throwable
+
+        return if (stringResourceId == null) {
+            null
+        } else if (throwable == null) {
+            stringResource(stringResourceId)
+        } else {
+            stringResource(stringResourceId, throwable.toString())
+        }
+    }
+
+    @Composable
+    fun Show(contents: @Composable (rendered: String) -> Unit) {
+        val rendered = renderString()
+
+        if (rendered != null) {
+            contents(rendered)
+        }
+    }
+}

app/src/main/java/eu/steffo/twom/composables/inviteuser/InviteUserContent.kt

@@ -0,0 +1,47 @@
+package eu.steffo.twom.composables.inviteuser
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.theme.basePadding
+
+@Composable
+fun InviteUserContent() {
+    Row(Modifier.basePadding()) {
+        Text(
+            text = stringResource(R.string.room_invite_title),
+            style = MaterialTheme.typography.labelLarge,
+        )
+    }
+
+    Row(Modifier.basePadding()) {
+        InviteUserForm(
+            /*
+            onConfirm = {
+                scope.launch SendInvite@{
+                    isSendingInvite = true
+                    errorInvite = null
+
+                    Log.d("Room", "Sending invite to `$it`...")
+
+                    try {
+                        room.membershipService().invite(it)
+                    } catch (error: Throwable) {
+                        Log.e("Room", "Failed to send invite to `$it`: $error")
+                        errorInvite = error
+                        isSendingInvite = false
+                        return@SendInvite
+                    }
+
+                    Log.d("Room", "Successfully sent invite to `$it`!")
+                    isSendingInvite = false
+                }
+            }
+             */
+        )
+    }
+}

app/src/main/java/eu/steffo/twom/composables/inviteuser/InviteUserForm.kt

@@ -0,0 +1,54 @@
+package eu.steffo.twom.composables.inviteuser
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import eu.steffo.twom.R
+
+@Composable
+@Preview
+fun InviteUserForm(
+    onConfirm: (userId: String) -> Unit = {},
+) {
+    var value by rememberSaveable { mutableStateOf("") }
+
+    OutlinedTextField(
+        modifier = Modifier
+            .fillMaxWidth(),
+        value = value,
+        onValueChange = { value = it },
+        singleLine = true,
+        shape = MaterialTheme.shapes.small,
+        placeholder = {
+            Text(
+                text = stringResource(R.string.room_invite_username_placeholder)
+            )
+        },
+    )
+
+    Button(
+        modifier = Modifier
+            .padding(top = 4.dp)
+            .fillMaxWidth(),
+        onClick = { onConfirm(value) },
+        shape = MaterialTheme.shapes.small,
+        // FIXME: Maybe I should validate usernames with a regex
+        enabled = (value.contains("@") && value.contains(":")),
+    ) {
+        Text(
+            text = stringResource(R.string.room_invite_button_label)
+        )
+    }
+}

app/src/main/java/eu/steffo/twom/composables/login/LoginForm.kt

@@ -24,8 +24,8 @@ import eu.steffo.twom.R
 import eu.steffo.twom.composables.errorhandling.ErrorText
 import eu.steffo.twom.composables.errorhandling.LocalizableError
 import eu.steffo.twom.composables.fields.PasswordField
-import eu.steffo.twom.matrix.TwoMMatrix
-import eu.steffo.twom.theme.TwoMPadding
+import eu.steffo.twom.composables.theme.basePadding
+import eu.steffo.twom.utils.TwoMGlobals
 import kotlinx.coroutines.launch
 import org.matrix.android.sdk.api.auth.data.HomeServerConnectionConfig
 import org.matrix.android.sdk.api.auth.data.LoginFlowResult
@@ -66,7 +66,7 @@ fun LoginForm(
 
         Log.d("Login", "Getting authentication service...")
         loginStep = LoginStep.SERVICE
-        val auth = TwoMMatrix.matrix.authenticationService()
+        val auth = TwoMGlobals.matrix.authenticationService()
 
         Log.d("Login", "Resetting authentication service...")
         auth.reset()
@@ -174,10 +174,10 @@ fun LoginForm(
             progress = loginStep.step.toFloat() / LoginStep.DONE.step.toFloat(),
             color = if (error.occurred()) MaterialTheme.colorScheme.error else ProgressIndicatorDefaults.linearColor
         )
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             Text(LocalContext.current.getString(R.string.login_text))
         }
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             TextField(
                 modifier = Modifier.fillMaxWidth(),
                 singleLine = true,
@@ -194,7 +194,7 @@ fun LoginForm(
                 },
             )
         }
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             PasswordField(
                 modifier = Modifier.fillMaxWidth(),
                 singleLine = true,
@@ -211,7 +211,7 @@ fun LoginForm(
                 },
             )
         }
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             Button(
                 modifier = Modifier.fillMaxWidth(),
                 enabled = (username != "" && (loginStep == LoginStep.NONE || error.occurred())),
@@ -223,7 +223,7 @@ fun LoginForm(
             }
         }
         error.Show {
-            Row(TwoMPadding.base) {
+            Row(Modifier.basePadding()) {
                 ErrorText(it)
             }
         }

app/src/main/java/eu/steffo/twom/composables/login/LoginScaffold.kt

@@ -9,7 +9,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
-import eu.steffo.twom.theme.TwoMTheme
+import eu.steffo.twom.composables.theme.TwoMTheme
 import org.matrix.android.sdk.api.session.Session
 
 

app/src/main/java/eu/steffo/twom/composables/main/AccountIconButton.kt

@@ -21,8 +21,8 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import eu.steffo.twom.R
 import eu.steffo.twom.activities.LoginActivity
-import eu.steffo.twom.matrix.LocalSession
-import eu.steffo.twom.matrix.avatar.AvatarFromUserId
+import eu.steffo.twom.composables.avatar.AvatarUserId
+import eu.steffo.twom.composables.matrix.LocalSession
 
 @Composable
 @Preview(showBackground = true)
@@ -35,7 +35,11 @@ fun AccountIconButton(
     var expanded by remember { mutableStateOf(false) }
 
     val loginLauncher =
-        rememberLauncherForActivityResult(LoginActivity.Contract()) { processLogin() }
+        rememberLauncherForActivityResult(LoginActivity.Contract()) {
+            if (it != null) {
+                processLogin()
+            }
+        }
 
     Box(modifier) {
         IconButton(
@@ -47,7 +51,7 @@ fun AccountIconButton(
                     contentDescription = LocalContext.current.getString(R.string.main_account_label),
                 )
             } else {
-                AvatarFromUserId(
+                AvatarUserId(
                     userId = session.myUserId,
                     contentDescription = LocalContext.current.getString(R.string.main_account_label),
                 )
@@ -60,7 +64,7 @@ fun AccountIconButton(
             if (session == null) {
                 DropdownMenuItem(
                     text = {
-                        Text(stringResource(id = R.string.main_account_login_text))
+                        Text(stringResource(R.string.main_account_login_text))
                     },
                     onClick = {
                         expanded = false
@@ -70,7 +74,7 @@ fun AccountIconButton(
             } else {
                 DropdownMenuItem(
                     text = {
-                        Text(stringResource(id = R.string.main_account_logout_text))
+                        Text(stringResource(R.string.main_account_logout_text))
                     },
                     onClick = {
                         expanded = false
@@ -80,5 +84,4 @@ fun AccountIconButton(
             }
         }
     }
-
 }

app/src/main/java/eu/steffo/twom/composables/main/CreateRoomFAB.kt

@@ -1,5 +1,7 @@
 package eu.steffo.twom.composables.main
 
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.launch
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.material3.ExtendedFloatingActionButton
@@ -10,16 +12,24 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import eu.steffo.twom.R
+import eu.steffo.twom.activities.CreateRoomActivity
 
 @Composable
 @Preview
 fun CreateRoomFAB(
     modifier: Modifier = Modifier,
-    onClick: () -> Unit = {},
+    onCreateParamsSelected: (name: String, description: String, avatarUri: String?) -> Unit = { _, _, _ -> },
 ) {
+    val launcher =
+        rememberLauncherForActivityResult(CreateRoomActivity.Contract()) {
+            if (it != null) {
+                onCreateParamsSelected(it.name, it.description, it.avatarUri)
+            }
+        }
+
     ExtendedFloatingActionButton(
         modifier = modifier,
-        onClick = onClick,
+        onClick = { launcher.launch() },
         icon = {
             Icon(
                 Icons.Filled.Add,

app/src/main/java/eu/steffo/twom/composables/main/MainContentLoggedIn.kt

@@ -8,11 +8,10 @@ import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import eu.steffo.twom.R
-import eu.steffo.twom.main.RoomListItem
-import eu.steffo.twom.matrix.LocalSession
-import eu.steffo.twom.matrix.TwoMMatrix
-import eu.steffo.twom.theme.ErrorText
-import eu.steffo.twom.theme.TwoMPadding
+import eu.steffo.twom.composables.errorhandling.ErrorText
+import eu.steffo.twom.composables.matrix.LocalSession
+import eu.steffo.twom.composables.theme.basePadding
+import eu.steffo.twom.utils.TwoMGlobals
 import org.matrix.android.sdk.api.session.room.model.Membership
 import org.matrix.android.sdk.api.session.room.roomSummaryQueryParams
 
@@ -29,19 +28,19 @@ fun MainContentLoggedIn(
     val roomSummaries by session.roomService().getRoomSummariesLive(
         roomSummaryQueryParams {
             this.memberships = listOf(Membership.JOIN)
-            this.includeType = listOf(TwoMMatrix.ROOM_TYPE)
+            this.includeType = listOf(TwoMGlobals.ROOM_TYPE)
         }
     ).observeAsState()
 
     Column(modifier) {
         if (roomSummaries == null) {
             Text(
-                modifier = TwoMPadding.base,
+                modifier = Modifier.basePadding(),
                 text = stringResource(R.string.loading)
             )
         } else if (roomSummaries!!.isEmpty()) {
             Text(
-                modifier = TwoMPadding.base,
+                modifier = Modifier.basePadding(),
                 text = stringResource(R.string.main_roomlist_empty_text)
             )
         } else {

app/src/main/java/eu/steffo/twom/composables/main/MainContentNotLoggedIn.kt

@@ -8,7 +8,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
 import eu.steffo.twom.R
-import eu.steffo.twom.theme.TwoMPadding
+import eu.steffo.twom.composables.theme.basePadding
 
 @Composable
 @Preview(showBackground = true)
@@ -17,10 +17,10 @@ fun MainContentNotLoggedIn(
     onClickLogin: () -> Unit = {},
 ) {
     Column(modifier) {
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             Text(LocalContext.current.getString(R.string.main_notloggedin_text_1))
         }
-        Row(TwoMPadding.base) {
+        Row(Modifier.basePadding()) {
             Text(LocalContext.current.getString(R.string.main_notloggedin_text_2))
         }
     }

app/src/main/java/eu/steffo/twom/composables/main/MainScaffold.kt

@@ -6,8 +6,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
-import eu.steffo.twom.matrix.LocalSession
-import eu.steffo.twom.theme.TwoMTheme
+import eu.steffo.twom.composables.matrix.LocalSession
+import eu.steffo.twom.composables.theme.TwoMTheme
 import org.matrix.android.sdk.api.session.Session
 
 @Composable
@@ -15,6 +15,7 @@ import org.matrix.android.sdk.api.session.Session
 fun MainScaffold(
     processLogin: () -> Unit = {},
     processLogout: () -> Unit = {},
+    processCreate: (name: String, description: String, avatarUri: String?) -> Unit = { _, _, _ -> },
     session: Session? = null,
 ) {
     TwoMTheme {
@@ -27,7 +28,9 @@ fun MainScaffold(
                     )
                 },
                 floatingActionButton = {
-                    CreateRoomFAB()
+                    CreateRoomFAB(
+                        onCreateParamsSelected = processCreate,
+                    )
                 },
                 content = {
                     if (session == null) {

app/src/main/java/eu/steffo/twom/composables/main/RoomListItem.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.main
+package eu.steffo.twom.composables.main
 
 import android.util.Log
 import androidx.activity.compose.rememberLauncherForActivityResult
@@ -23,11 +23,11 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import eu.steffo.twom.R
-import eu.steffo.twom.activities.RoomActivity
+import eu.steffo.twom.activities.ViewRoomActivity
+import eu.steffo.twom.composables.avatar.AvatarURL
+import eu.steffo.twom.composables.errorhandling.ErrorText
 import eu.steffo.twom.composables.errorhandling.LocalizableError
-import eu.steffo.twom.matrix.LocalSession
-import eu.steffo.twom.matrix.avatar.AvatarFromURL
-import eu.steffo.twom.theme.ErrorText
+import eu.steffo.twom.composables.matrix.LocalSession
 import kotlinx.coroutines.launch
 import org.matrix.android.sdk.api.session.room.model.RoomSummary
 
@@ -50,11 +50,11 @@ fun RoomListItem(
     var expanded by rememberSaveable { mutableStateOf(false) }
     val error by remember { mutableStateOf(LocalizableError()) }
 
-    val roomActivityLauncher = rememberLauncherForActivityResult(RoomActivity.Contract()) {}
+    val viewRoomActivityLauncher = rememberLauncherForActivityResult(ViewRoomActivity.Contract()) {}
 
     fun openRoom() {
         Log.i("Main", "Opening room `$roomId`...")
-        roomActivityLauncher.launch(roomId)
+        viewRoomActivityLauncher.launch(roomId)
     }
 
     suspend fun leaveRoom() {
@@ -83,7 +83,7 @@ fun RoomListItem(
                     .size(40.dp)
                     .clip(MaterialTheme.shapes.medium)
             ) {
-                AvatarFromURL(
+                AvatarURL(
                     // FIXME: URL can appearently be set before the image is available on the homeserver
                     url = roomSummary.avatarUrl,
                 )

app/src/main/java/eu/steffo/twom/composables/matrix/LocalSession.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.matrix
+package eu.steffo.twom.composables.matrix
 
 import androidx.compose.runtime.staticCompositionLocalOf
 import org.matrix.android.sdk.api.session.Session

app/src/main/java/eu/steffo/twom/composables/navigation/BackIconButton.kt

@@ -0,0 +1,34 @@
+package eu.steffo.twom.composables.navigation
+
+import android.app.Activity
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import eu.steffo.twom.R
+
+@Composable
+fun BackIconButton(
+    modifier: Modifier = Modifier,
+) {
+    val context = LocalContext.current
+    val activity = context as Activity
+
+    fun cancelActivity() {
+        activity.setResult(Activity.RESULT_CANCELED)
+        activity.finish()
+    }
+
+    IconButton(
+        modifier = modifier,
+        onClick = { cancelActivity() }
+    ) {
+        Icon(
+            imageVector = Icons.Filled.ArrowBack,
+            contentDescription = LocalContext.current.getString(R.string.back)
+        )
+    }
+}

app/src/main/java/eu/steffo/twom/composables/theme/LaterColorRole.kt

@@ -0,0 +1,15 @@
+package eu.steffo.twom.composables.theme
+
+import androidx.compose.ui.graphics.Color
+
+object LaterColorRole : StaticColorRole {
+    override val lightColor = Color(0xFF00658B)
+    override val lightOnColor = Color(0xFFFFFFFF)
+    override val lightContainerColor = Color(0xFFC4E7FF)
+    override val lightOnContainerColor = Color(0xFF001E2C)
+
+    override val darkColor = Color(0xFF7DD0FF)
+    override val darkOnColor = Color(0xFF00344A)
+    override val darkContainerColor = Color(0xFF004C69)
+    override val darkOnContainerColor = Color(0xFFC4E7FF)
+}

app/src/main/java/eu/steffo/twom/composables/theme/MaybeColorRole.kt

@@ -0,0 +1,15 @@
+package eu.steffo.twom.composables.theme
+
+import androidx.compose.ui.graphics.Color
+
+object MaybeColorRole : StaticColorRole {
+    override val lightColor = Color(0xFF765B00)
+    override val lightOnColor = Color(0xFFFFFFFF)
+    override val lightContainerColor = Color(0xFFFFDF94)
+    override val lightOnContainerColor = Color(0xFF241A00)
+
+    override val darkColor = Color(0xFFEDC148)
+    override val darkOnColor = Color(0xFF3E2E00)
+    override val darkContainerColor = Color(0xFF594400)
+    override val darkOnContainerColor = Color(0xFFFFDF94)
+}

app/src/main/java/eu/steffo/twom/composables/theme/NowayColorRole.kt

@@ -0,0 +1,15 @@
+package eu.steffo.twom.composables.theme
+
+import androidx.compose.ui.graphics.Color
+
+object NowayColorRole : StaticColorRole {
+    override val lightColor = Color(0xFFAB3520)
+    override val lightOnColor = Color(0xFFFFFFFF)
+    override val lightContainerColor = Color(0xFFFFDAD3)
+    override val lightOnContainerColor = Color(0xFF3F0400)
+
+    override val darkColor = Color(0xFFFFB4A5)
+    override val darkOnColor = Color(0xFF650A00)
+    override val darkContainerColor = Color(0xFF891D0A)
+    override val darkOnContainerColor = Color(0xFFFFDAD3)
+}

app/src/main/java/eu/steffo/twom/composables/theme/NullishColorRole.kt

@@ -0,0 +1,15 @@
+package eu.steffo.twom.composables.theme
+
+import androidx.compose.ui.graphics.Color
+
+object NullishColorRole : StaticColorRole {
+    override val lightColor = Color(0xFF666666)
+    override val lightOnColor = Color(0xFFFFFFFF)
+    override val lightContainerColor = Color(0xFFE6E6E6)
+    override val lightOnContainerColor = Color(0xFF222222)
+
+    override val darkColor = Color(0xFFDDDDDD)
+    override val darkOnColor = Color(0xFF333333)
+    override val darkContainerColor = Color(0xFF555555)
+    override val darkOnContainerColor = Color(0xFFFFFFFF)
+}

app/src/main/java/eu/steffo/twom/composables/theme/StaticColorRole.kt

@@ -0,0 +1,69 @@
+package eu.steffo.twom.composables.theme
+
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import com.google.android.material.color.MaterialColors
+
+
+interface StaticColorRole {
+    val lightColor: Color
+    val lightOnColor: Color
+    val lightContainerColor: Color
+    val lightOnContainerColor: Color
+
+    val darkColor: Color
+    val darkOnColor: Color
+    val darkContainerColor: Color
+    val darkOnContainerColor: Color
+
+    @Composable
+    fun harmonize(color: Color): Color {
+        val ctx = LocalContext.current
+        val colorArgb = color.toArgb()
+        val colorArgbHarmonized = MaterialColors.harmonizeWithPrimary(ctx, colorArgb)
+        return Color(colorArgbHarmonized)
+    }
+
+    @Composable
+    fun color(): Color {
+        return harmonize(
+            when (isSystemInDarkTheme()) {
+                false -> lightColor
+                true -> darkColor
+            }
+        )
+    }
+
+    @Composable
+    fun onColor(): Color {
+        return harmonize(
+            when (isSystemInDarkTheme()) {
+                false -> lightOnColor
+                true -> darkOnColor
+            }
+        )
+    }
+
+    @Composable
+    fun containerColor(): Color {
+        return harmonize(
+            when (isSystemInDarkTheme()) {
+                false -> lightContainerColor
+                true -> darkContainerColor
+            }
+        )
+    }
+
+    @Composable
+    fun onContainerColor(): Color {
+        return harmonize(
+            when (isSystemInDarkTheme()) {
+                false -> lightOnContainerColor
+                true -> darkOnContainerColor
+            }
+        )
+    }
+}

app/src/main/java/eu/steffo/twom/composables/theme/SureColorRole.kt

@@ -0,0 +1,15 @@
+package eu.steffo.twom.composables.theme
+
+import androidx.compose.ui.graphics.Color
+
+object SureColorRole : StaticColorRole {
+    override val lightColor = Color(0xFF006E2C)
+    override val lightOnColor = Color(0xFFFFFFFF)
+    override val lightContainerColor = Color(0xFF7FFC95)
+    override val lightOnContainerColor = Color(0xFF002108)
+
+    override val darkColor = Color(0xFF62DF7C)
+    override val darkOnColor = Color(0xFF003913)
+    override val darkContainerColor = Color(0xFF00531F)
+    override val darkOnContainerColor = Color(0xFF7FFC95)
+}

app/src/main/java/eu/steffo/twom/composables/theme/TwoMPadding.kt

@@ -0,0 +1,14 @@
+package eu.steffo.twom.composables.theme
+
+import androidx.compose.foundation.layout.padding
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+
+fun Modifier.basePadding(): Modifier {
+    return this.padding(all = 10.dp)
+}
+
+fun Modifier.chipPadding(): Modifier {
+    return this.padding(start = 2.5.dp, end = 2.5.dp)
+}

app/src/main/java/eu/steffo/twom/composables/theme/TwoMTheme.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.theme
+package eu.steffo.twom.composables.theme
 
 import android.app.Activity
 import androidx.compose.foundation.isSystemInDarkTheme
@@ -18,6 +18,7 @@ import androidx.core.view.WindowCompat
 fun TwoMTheme(
     content: @Composable () -> Unit
 ) {
+    val view = LocalView.current
     val context = LocalContext.current
 
     val darkTheme = isSystemInDarkTheme()
@@ -27,21 +28,21 @@ fun TwoMTheme(
     }
     val typography = Typography()
 
-    MaterialTheme(
-        colorScheme = colorScheme,
-        typography = typography,
-        content = content
-    )
-
-    val view = LocalView.current
     if (!view.isInEditMode) {
         SideEffect {
-            val window = (view.context as Activity).window
+            val window = (context as Activity).window
             window.statusBarColor = colorScheme.surface.toArgb()
             window.navigationBarColor = colorScheme.surface.toArgb()
+
             val insets = WindowCompat.getInsetsController(window, view)
             insets.isAppearanceLightStatusBars = !darkTheme
             insets.isAppearanceLightNavigationBars = !darkTheme
         }
     }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = typography,
+        content = content
+    )
 }

app/src/main/java/eu/steffo/twom/composables/viewroom/InviteFAB.kt

@@ -0,0 +1,43 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.launch
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material3.ExtendedFloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import eu.steffo.twom.R
+import eu.steffo.twom.activities.InviteUserActivity
+
+@Composable
+@Preview
+fun InviteFAB(
+    modifier: Modifier = Modifier,
+    onUserSelected: (userId: String) -> Unit = {},
+) {
+    val launcher =
+        rememberLauncherForActivityResult(InviteUserActivity.Contract()) {
+            if (it != null) {
+                onUserSelected(it)
+            }
+        }
+
+    ExtendedFloatingActionButton(
+        modifier = modifier,
+        onClick = { launcher.launch() },
+        icon = {
+            Icon(
+                Icons.Filled.Add,
+                contentDescription = null
+            )
+        },
+        text = {
+            Text(stringResource(R.string.room_invite_button_label))
+        }
+    )
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/LocalRoom.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.room
+package eu.steffo.twom.composables.viewroom
 
 import androidx.compose.runtime.staticCompositionLocalOf
 import org.matrix.android.sdk.api.session.room.Room

app/src/main/java/eu/steffo/twom/composables/viewroom/LocalRoomSummary.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.room
+package eu.steffo.twom.composables.viewroom
 
 import androidx.compose.runtime.staticCompositionLocalOf
 import org.matrix.android.sdk.api.session.room.model.RoomSummary

app/src/main/java/eu/steffo/twom/composables/viewroom/MemberListItem.kt

@@ -0,0 +1,123 @@
+package eu.steffo.twom.composables.viewroom
+
+import android.util.Log
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.combinedClickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.Icon
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.avatar.AvatarUser
+import eu.steffo.twom.composables.errorhandling.ErrorText
+import eu.steffo.twom.composables.matrix.LocalSession
+import org.matrix.android.sdk.api.session.room.model.RoomMemberSummary
+import org.matrix.android.sdk.api.session.user.model.User
+import kotlin.jvm.optionals.getOrNull
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun MemberListItem(
+    member: RoomMemberSummary,
+    modifier: Modifier = Modifier,
+) {
+    val session = LocalSession.current
+    if (session == null) {
+        ErrorText(stringResource(R.string.error_session_missing))
+        return
+    }
+
+    val roomRequest = LocalRoom.current
+    if (roomRequest == null) {
+        ErrorText(stringResource(R.string.room_error_room_missing))
+        return
+    }
+
+    val room = roomRequest.getOrNull()
+    if (room == null) {
+        ErrorText(stringResource(R.string.room_error_room_notfound))
+        return
+    }
+
+    // TODO: Is this necessary?
+
+    var user by remember { mutableStateOf<User?>(null) }
+
+    LaunchedEffect(session, member.userId) {
+        val memberId = member.userId
+        Log.d("UserListItem", "Resolving user: $memberId")
+        user = session.userService().resolveUser(memberId)
+        Log.d("UserListItem", "Resolved user: $memberId")
+    }
+
+    val rsvp = observeRSVP(room = room, member = member)
+
+    var expanded by rememberSaveable { mutableStateOf(false) }
+
+    ListItem(
+        modifier = modifier.combinedClickable(
+            onClick = {},
+            onLongClick = { expanded = true },
+        ),
+        headlineContent = {
+            Text(
+                text = user?.displayName ?: stringResource(R.string.user_unresolved_name),
+            )
+        },
+        leadingContent = {
+            Box(
+                Modifier
+                    .padding(end = 10.dp)
+                    .size(40.dp)
+                    .clip(MaterialTheme.shapes.extraLarge)
+            ) {
+                AvatarUser(
+                    user = user,
+                )
+            }
+        },
+        trailingContent = {
+            Icon(
+                imageVector = rsvp.answer.icon,
+                contentDescription = rsvp.answer.toResponse(),
+                tint = rsvp.answer.staticColorRole.color(),
+            )
+        },
+        supportingContent = {
+            if (rsvp.comment != "") {
+                Text(
+                    text = rsvp.comment,
+                    color = rsvp.answer.staticColorRole.color(),
+                )
+            }
+        },
+    )
+
+    DropdownMenu(
+        expanded = expanded,
+        onDismissRequest = { expanded = false }
+    ) {
+        DropdownMenuItem(
+            text = {
+                Text(stringResource(R.string.room_uninvite_label))
+            },
+            onClick = { expanded = false }
+        )
+    }
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/RSVPChip.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.room
+package eu.steffo.twom.composables.viewroom
 
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.FilterChip
@@ -8,47 +8,45 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import eu.steffo.twom.utils.RSVPAnswer
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun RSVPAnswerFilterChip(
+@Preview
+fun RSVPChip(
     modifier: Modifier = Modifier,
-    representing: RSVPAnswer,
     selected: Boolean = false,
     onClick: () -> Unit = {},
+    representedAnswer: RSVPAnswer = RSVPAnswer.UNKNOWN,
 ) {
-    val icon = representing.toIcon()
-    val colorRole = representing.toStaticColorRole()
-    val labelResourceId = representing.toLabelResourceId()
-
     FilterChip(
         modifier = modifier,
         selected = selected,
         onClick = onClick,
         leadingIcon = {
             Icon(
-                imageVector = icon,
+                imageVector = representedAnswer.icon,
                 contentDescription = null,
             )
         },
         label = {
             Text(
-                text = stringResource(labelResourceId),
+                text = representedAnswer.toLabel() ?: "[missing label]",
                 style = MaterialTheme.typography.bodyLarge,
             )
         },
         colors = FilterChipDefaults.filterChipColors(
-            iconColor = colorRole.value,
-            labelColor = colorRole.value,
-            selectedContainerColor = colorRole.valueContainer,
-            selectedLeadingIconColor = colorRole.onValueContainer,
-            selectedLabelColor = colorRole.onValueContainer,
+            iconColor = representedAnswer.staticColorRole.color(),
+            labelColor = representedAnswer.staticColorRole.color(),
+            selectedContainerColor = representedAnswer.staticColorRole.containerColor(),
+            selectedLeadingIconColor = representedAnswer.staticColorRole.onContainerColor(),
+            selectedLabelColor = representedAnswer.staticColorRole.onContainerColor(),
         ),
         border = FilterChipDefaults.filterChipBorder(
             borderColor = MaterialTheme.colorScheme.surfaceVariant,
-            selectedBorderColor = colorRole.onValueContainer,
+            selectedBorderColor = representedAnswer.staticColorRole.onContainerColor(),
             borderWidth = 1.dp,
             selectedBorderWidth = 1.dp,
         )

app/src/main/java/eu/steffo/twom/composables/viewroom/RSVPChipRow.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.room
+package eu.steffo.twom.composables.viewroom
 
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Box
@@ -9,11 +9,12 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
-import eu.steffo.twom.theme.TwoMPadding
+import eu.steffo.twom.composables.theme.chipPadding
+import eu.steffo.twom.utils.RSVPAnswer
 
 @Composable
 @Preview
-fun RSVPAnswerSelectRow(
+fun RSVPChipRow(
     modifier: Modifier = Modifier,
     value: RSVPAnswer = RSVPAnswer.UNKNOWN,
     onChange: (answer: RSVPAnswer) -> Unit = {},
@@ -37,27 +38,27 @@ fun RSVPAnswerSelectRow(
             modifier = Modifier
                 .padding(start = 8.dp, end = 8.dp)
         ) {
-            RSVPAnswerFilterChip(
-                modifier = TwoMPadding.chips,
-                representing = RSVPAnswer.SURE,
+            RSVPChip(
+                modifier = Modifier.chipPadding(),
+                representedAnswer = RSVPAnswer.SURE,
                 selected = (value == RSVPAnswer.SURE),
                 onClick = toggleSwitch(RSVPAnswer.SURE)
             )
-            RSVPAnswerFilterChip(
-                modifier = TwoMPadding.chips,
-                representing = RSVPAnswer.LATER,
+            RSVPChip(
+                modifier = Modifier.chipPadding(),
+                representedAnswer = RSVPAnswer.LATER,
                 selected = (value == RSVPAnswer.LATER),
                 onClick = toggleSwitch(RSVPAnswer.LATER)
             )
-            RSVPAnswerFilterChip(
-                modifier = TwoMPadding.chips,
-                representing = RSVPAnswer.MAYBE,
+            RSVPChip(
+                modifier = Modifier.chipPadding(),
+                representedAnswer = RSVPAnswer.MAYBE,
                 selected = (value == RSVPAnswer.MAYBE),
                 onClick = toggleSwitch(RSVPAnswer.MAYBE)
             )
-            RSVPAnswerFilterChip(
-                modifier = TwoMPadding.chips,
-                representing = RSVPAnswer.NOWAY,
+            RSVPChip(
+                modifier = Modifier.chipPadding(),
+                representedAnswer = RSVPAnswer.NOWAY,
                 selected = (value == RSVPAnswer.NOWAY),
                 onClick = toggleSwitch(RSVPAnswer.NOWAY)
             )

app/src/main/java/eu/steffo/twom/composables/viewroom/RSVPCommentField.kt

@@ -0,0 +1,40 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.OutlinedTextFieldDefaults
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import eu.steffo.twom.utils.RSVPAnswer
+
+@Composable
+@Preview
+fun RSVPCommentField(
+    modifier: Modifier = Modifier,
+    value: String = "",
+    onChange: (value: String) -> Unit = {},
+    currentAnswer: RSVPAnswer = RSVPAnswer.UNKNOWN,
+) {
+    OutlinedTextField(
+        modifier = modifier,
+        value = value,
+        onValueChange = onChange,
+        singleLine = true,
+        shape = MaterialTheme.shapes.small,
+        placeholder = {
+            Text(currentAnswer.toCommentPlaceholder())
+        },
+        colors = OutlinedTextFieldDefaults.colors(
+            focusedContainerColor = currentAnswer.staticColorRole.containerColor(),
+            unfocusedContainerColor = currentAnswer.staticColorRole.containerColor(),
+            focusedTextColor = currentAnswer.staticColorRole.onContainerColor(),
+            unfocusedTextColor = currentAnswer.staticColorRole.onContainerColor(),
+            focusedBorderColor = currentAnswer.staticColorRole.onContainerColor(),
+            unfocusedBorderColor = currentAnswer.staticColorRole.onContainerColor()
+                .copy(alpha = 0.3f),
+            cursorColor = currentAnswer.staticColorRole.onContainerColor(),
+        )
+    )
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/RSVPForm.kt

@@ -0,0 +1,46 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import eu.steffo.twom.utils.RSVP
+import eu.steffo.twom.utils.RSVPAnswer
+
+@Composable
+fun RSVPForm(
+    published: RSVP,
+    onRequestPublish: (newAnswer: RSVPAnswer, newComment: String) -> Unit = { _, _ -> },
+    isPublishRunning: Boolean = false,
+) {
+    var currentAnswer by rememberSaveable { mutableStateOf(published.answer) }
+    var currentComment by rememberSaveable { mutableStateOf(published.comment) }
+
+    val hasChanged = (currentAnswer != published.answer || currentComment != published.comment)
+
+    RSVPChipRow(
+        value = currentAnswer,
+        onChange = { currentAnswer = it },
+    )
+    RSVPCommentField(
+        modifier = Modifier
+            .padding(start = 10.dp, end = 10.dp)
+            .fillMaxWidth(),
+        value = currentComment,
+        onChange = { currentComment = it },
+        currentAnswer = currentAnswer,
+    )
+    RSVPUpdateButton(
+        modifier = Modifier
+            .padding(start = 10.dp, end = 10.dp, top = 4.dp, bottom = 4.dp)
+            .fillMaxWidth(),
+        onClick = { onRequestPublish(currentAnswer, currentComment) },
+        enabled = hasChanged && !isPublishRunning,
+        currentAnswer = currentAnswer,
+    )
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/RSVPUpdateButton.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.room
+package eu.steffo.twom.composables.viewroom
 
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
@@ -9,6 +9,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import eu.steffo.twom.R
+import eu.steffo.twom.utils.RSVPAnswer
 
 @Composable
 @Preview
@@ -16,22 +17,20 @@ fun RSVPUpdateButton(
     modifier: Modifier = Modifier,
     enabled: Boolean = true,
     onClick: () -> Unit = {},
-    rsvpAnswer: RSVPAnswer = RSVPAnswer.UNKNOWN,
+    currentAnswer: RSVPAnswer = RSVPAnswer.UNKNOWN,
 ) {
-    val colorRole = rsvpAnswer.toStaticColorRole()
-
     Button(
         modifier = modifier,
         enabled = enabled,
         onClick = onClick,
         shape = MaterialTheme.shapes.small,
         colors = ButtonDefaults.buttonColors(
-            containerColor = colorRole.value,
-            contentColor = colorRole.onValue,
+            containerColor = currentAnswer.staticColorRole.color(),
+            contentColor = currentAnswer.staticColorRole.onColor(),
         )
     ) {
         Text(
-            text = stringResource(R.string.room_update_label)
+            text = stringResource(R.string.room_rsvp_update_label)
         )
     }
 }

app/src/main/java/eu/steffo/twom/composables/viewroom/RoomIconButton.kt

@@ -0,0 +1,64 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.avatar.AvatarURL
+
+@Composable
+fun RoomIconButton(
+    modifier: Modifier = Modifier,
+    avatarUrl: String? = null,
+    canEdit: Boolean = true,
+) {
+    var expanded by remember { mutableStateOf(false) }
+
+    Box(modifier) {
+        IconButton(
+            onClick = { expanded = true },
+        ) {
+            AvatarURL(
+                url = avatarUrl,
+                contentDescription = LocalContext.current.getString(R.string.room_options_label),
+            )
+        }
+        DropdownMenu(
+            expanded = expanded,
+            onDismissRequest = { expanded = false },
+        ) {
+            DropdownMenuItem(
+                text = {
+                    Text(stringResource(R.string.room_options_zoom_text))
+                },
+                onClick = {
+                    // TODO
+                    expanded = false
+                }
+            )
+
+            if (canEdit) {
+                DropdownMenuItem(
+                    text = {
+                        Text(stringResource(R.string.room_options_edit_text))
+                    },
+                    onClick = {
+                        // TODO
+                        expanded = false
+                    }
+                )
+            }
+        }
+    }
+
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/ViewRoomContent.kt

@@ -0,0 +1,41 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.errorhandling.ErrorText
+import eu.steffo.twom.composables.matrix.LocalSession
+
+
+@Composable
+fun ViewRoomContent(
+    modifier: Modifier = Modifier,
+) {
+    val scope = rememberCoroutineScope()
+
+    val session = LocalSession.current
+    if (session == null) {
+        ErrorText(stringResource(R.string.error_session_missing))
+        return
+    }
+
+    Box(
+        modifier = modifier
+            .verticalScroll(rememberScrollState())
+    ) {
+        Column(
+            modifier = Modifier.fillMaxHeight()
+        ) {
+            ViewRoomTopic()
+            ViewRoomForm()
+            ViewRoomMembers()
+        }
+    }
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/ViewRoomForm.kt

@@ -0,0 +1,127 @@
+package eu.steffo.twom.composables.viewroom
+
+import android.util.Log
+import androidx.compose.foundation.layout.Row
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.errorhandling.ErrorText
+import eu.steffo.twom.composables.errorhandling.LocalizableError
+import eu.steffo.twom.composables.matrix.LocalSession
+import eu.steffo.twom.composables.theme.basePadding
+import kotlinx.coroutines.launch
+import kotlin.jvm.optionals.getOrNull
+
+@Composable
+fun ViewRoomForm() {
+    val scope = rememberCoroutineScope()
+
+    val session = LocalSession.current
+    if (session == null) {
+        ErrorText(stringResource(R.string.error_session_missing))
+        return
+    }
+
+    val roomRequest = LocalRoom.current
+    if (roomRequest == null) {
+        ErrorText(stringResource(R.string.room_error_room_missing))
+        return
+    }
+
+    val room = roomRequest.getOrNull()
+    if (room == null) {
+        ErrorText(stringResource(R.string.room_error_room_notfound))
+        return
+    }
+
+    // FIXME: This breaks if the member is kicked from the chat
+    val member = room.membershipService().getRoomMember(session.myUserId)
+    if (member == null) {
+        ErrorText(stringResource(R.string.room_error_members_notfound))
+        return
+    }
+
+    val published = observeRSVP(room = room, member = member)
+
+    var isPublishRunning by rememberSaveable { mutableStateOf(false) }
+    val publishError by remember { mutableStateOf(LocalizableError()) }
+
+    Row(Modifier.basePadding()) {
+        Text(
+            text = stringResource(R.string.room_rsvp_title),
+            style = MaterialTheme.typography.labelLarge,
+        )
+    }
+    RSVPForm(
+        published = published,
+        onRequestPublish = { answer, comment ->
+            isPublishRunning = true
+            publishError.clear()
+
+            scope.launch Publish@{
+                Log.d(
+                    "ViewRoomForm",
+                    "Updating RSVP with answer `$answer` and comment `$comment`..."
+                )
+                try {
+                    room.stateService().sendStateEvent(
+                        eventType = "eu.steffo.twom.rsvp",
+                        stateKey = session.myUserId,
+                        body = mapOf(
+                            "answer" to answer.value,
+                            "comment" to comment,
+                        ),
+                    )
+                } catch (e: Throwable) {
+                    Log.e("Room", "Failed to update eu.steffo.twom.rsvp: $publishError")
+                    publishError.set(R.string.room_error_publish_generic, e)
+                    isPublishRunning = false
+                    return@Publish
+                }
+                Log.d(
+                    "ViewRoomForm",
+                    "Updated RSVP with answer `$answer` and comment `$comment`!"
+                )
+
+                if (published.event != null) {
+                    Log.d(
+                        "Room",
+                        "Attempting to redact old RSVP `${published.event.eventId}`..."
+                    )
+                    try {
+                        room.sendService()
+                            .redactEvent(published.event, "Replaced with new information")
+                    } catch (e: Throwable) {
+                        Log.e(
+                            "Room",
+                            "Failed to redact old RSVP: $publishError"
+                        )
+                        publishError.set(R.string.room_error_redact_generic, e)
+                        isPublishRunning = false
+                        return@Publish
+                    }
+                } else {
+                    Log.d(
+                        "Room",
+                        "Not doing anything else; there isn't anything to redact."
+                    )
+                }
+
+                isPublishRunning = false
+            }
+        },
+        isPublishRunning = isPublishRunning,
+    )
+    publishError.Show {
+        ErrorText(it)
+    }
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/ViewRoomMembers.kt

@@ -0,0 +1,48 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.errorhandling.ErrorText
+import eu.steffo.twom.composables.theme.basePadding
+import org.matrix.android.sdk.api.session.room.members.RoomMemberQueryParams
+import kotlin.jvm.optionals.getOrNull
+
+@Composable
+fun ViewRoomMembers() {
+    val roomRequest = LocalRoom.current
+    if (roomRequest == null) {
+        ErrorText(stringResource(R.string.room_error_room_missing))
+        return
+    }
+
+    val room = roomRequest.getOrNull()
+    if (room == null) {
+        ErrorText(stringResource(R.string.room_error_room_notfound))
+        return
+    }
+
+    val roomMembers by room.membershipService().getRoomMembersLive(
+        RoomMemberQueryParams.Builder().build()
+    ).observeAsState()
+    if (roomMembers == null) {
+        ErrorText(stringResource(R.string.room_error_members_notfound))
+        return
+    }
+
+    Row(Modifier.basePadding()) {
+        Text(
+            text = stringResource(R.string.room_invitees_title),
+            style = MaterialTheme.typography.labelLarge,
+        )
+    }
+    roomMembers!!.forEach {
+        MemberListItem(member = it)
+    }
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/ViewRoomScaffold.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.room
+package eu.steffo.twom.composables.viewroom
 
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Scaffold
@@ -7,16 +7,15 @@ import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Modifier
-import eu.steffo.twom.matrix.LocalSession
-import eu.steffo.twom.theme.TwoMTheme
+import eu.steffo.twom.composables.matrix.LocalSession
+import eu.steffo.twom.composables.theme.TwoMTheme
 import org.matrix.android.sdk.api.session.Session
 import java.util.Optional
 
 @Composable
-fun RoomActivityScaffold(
+fun ViewRoomScaffold(
     session: Session,
     roomId: String,
-    onBack: () -> Unit = {},
 ) {
     val room = Optional.ofNullable(session.roomService().getRoom(roomId))
     val roomSummary by session.roomService().getRoomSummaryLive(roomId).observeAsState()
@@ -27,12 +26,10 @@ fun RoomActivityScaffold(
                 CompositionLocalProvider(LocalRoomSummary provides roomSummary) {
                     Scaffold(
                         topBar = {
-                            RoomActivityTopBar(
-                                onBack = onBack,
-                            )
+                            ViewRoomTopBar()
                         },
                         content = {
-                            RoomActivityContent(
+                            ViewRoomContent(
                                 modifier = Modifier.padding(it),
                             )
                         },

app/src/main/java/eu/steffo/twom/composables/viewroom/ViewRoomTopBar.kt

@@ -0,0 +1,62 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.LocalContentColor
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.errorhandling.ErrorIconButton
+import eu.steffo.twom.composables.errorhandling.LocalizableError
+import eu.steffo.twom.composables.navigation.BackIconButton
+
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+@Preview
+fun ViewRoomTopBar(
+    modifier: Modifier = Modifier,
+    roomName: String? = null,
+    roomAvatarUrl: String? = null,
+    isLoading: Boolean = false,
+    error: LocalizableError? = null,
+) {
+    TopAppBar(
+        modifier = modifier,
+        navigationIcon = {
+            BackIconButton()
+        },
+        title = {
+            if (roomName != null) {
+                Text(
+                    text = roomName,
+                    style = MaterialTheme.typography.titleLarge,
+                )
+            } else {
+                Text(
+                    text = stringResource(R.string.loading),
+                    style = MaterialTheme.typography.titleLarge,
+                    color = LocalContentColor.current.copy(0.4f)
+                )
+            }
+        },
+        actions = {
+            if (isLoading) {
+                CircularProgressIndicator()
+            } else if (error != null && error.occurred()) {
+                ErrorIconButton(
+                    message = error.renderString()!!
+                )
+            } else {
+                RoomIconButton(
+                    avatarUrl = roomAvatarUrl,
+                )
+            }
+        },
+    )
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/ViewRoomTopic.kt

@@ -0,0 +1,39 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.errorhandling.ErrorText
+import eu.steffo.twom.composables.theme.basePadding
+
+@Composable
+@Preview
+fun ViewRoomTopic() {
+    val roomSummaryRequest = LocalRoomSummary.current
+    if (roomSummaryRequest == null) {
+        ErrorText(stringResource(R.string.room_error_roomsummary_missing))
+        return
+    }
+
+    val roomSummary = roomSummaryRequest.getOrNull()
+    if (roomSummary == null) {
+        ErrorText(stringResource(R.string.room_error_roomsummary_notfound))
+        return
+    }
+
+    Row(Modifier.basePadding()) {
+        Text(
+            text = stringResource(R.string.room_topic_title),
+            style = MaterialTheme.typography.labelLarge,
+        )
+    }
+
+    Row(Modifier.basePadding()) {
+        Text(roomSummary.topic)
+    }
+}

app/src/main/java/eu/steffo/twom/composables/viewroom/observeRSVP.kt

@@ -0,0 +1,92 @@
+package eu.steffo.twom.composables.viewroom
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.livedata.observeAsState
+import eu.steffo.twom.utils.RSVP
+import eu.steffo.twom.utils.RSVPAnswer
+import eu.steffo.twom.utils.TwoMGlobals
+import org.matrix.android.sdk.api.query.QueryStringValue
+import org.matrix.android.sdk.api.session.room.Room
+import org.matrix.android.sdk.api.session.room.model.Membership
+import org.matrix.android.sdk.api.session.room.model.RoomMemberSummary
+
+@Composable
+fun observeRSVP(room: Room, member: RoomMemberSummary): RSVP {
+    if (member.membership == Membership.INVITE) {
+        return RSVP(
+            event = null,
+            answer = RSVPAnswer.PENDING,
+            comment = "",
+        )
+    }
+
+    val request by room.stateService().getStateEventLive(
+        eventType = TwoMGlobals.RSVP_STATE_TYPE,
+        stateKey = QueryStringValue.Equals(member.userId),
+    ).observeAsState()
+
+    if (request == null) {
+        return RSVP(
+            event = null,
+            answer = RSVPAnswer.LOADING,
+            comment = "",
+        )
+    }
+
+    val event = request!!.getOrNull()
+        ?: return RSVP(
+            event = null,
+            answer = RSVPAnswer.NONE,
+            comment = "",
+        )
+
+    val content = event.content
+        ?: return RSVP(
+            event = event,
+            answer = RSVPAnswer.UNKNOWN,
+            comment = "",
+        )
+
+    val commentField = content[TwoMGlobals.RSVP_STATE_COMMENT_FIELD]
+        ?: return RSVP(
+            event = event,
+            answer = RSVPAnswer.UNKNOWN,
+            comment = "",
+        )
+
+    val comment = commentField as? String
+        ?: return RSVP(
+            event = event,
+            answer = RSVPAnswer.UNKNOWN,
+            comment = "",
+        )
+
+    val answerField = content[TwoMGlobals.RSVP_STATE_ANSWER_FIELD]
+        ?: return RSVP(
+            event = event,
+            answer = RSVPAnswer.UNKNOWN,
+            comment = comment,
+        )
+
+    val answerString = answerField as? String
+        ?: return RSVP(
+            event = event,
+            answer = RSVPAnswer.UNKNOWN,
+            comment = comment,
+        )
+
+    val answer = when (answerString) {
+        RSVPAnswer.SURE.value -> RSVPAnswer.SURE
+        RSVPAnswer.LATER.value -> RSVPAnswer.LATER
+        RSVPAnswer.MAYBE.value -> RSVPAnswer.MAYBE
+        RSVPAnswer.NOWAY.value -> RSVPAnswer.NOWAY
+        else -> RSVPAnswer.UNKNOWN
+    }
+
+    return RSVP(
+        event = event,
+        answer = answer,
+        comment = comment,
+    )
+}

app/src/main/java/eu/steffo/twom/room/MemberListItem.kt

@@ -1,76 +0,0 @@
-package eu.steffo.twom.room
-
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
-import androidx.compose.material3.Icon
-import androidx.compose.material3.ListItem
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import eu.steffo.twom.R
-import eu.steffo.twom.matrix.LocalSession
-import eu.steffo.twom.matrix.avatar.AvatarFromURL
-import org.matrix.android.sdk.api.session.getUser
-
-// TODO: Check this with brain on
-
-@Composable
-fun MemberListItem(
-    modifier: Modifier = Modifier,
-    memberId: String,
-    onClickMember: (memberId: String) -> Unit = {},
-    rsvpAnswer: RSVPAnswer,
-    rsvpComment: String,
-) {
-    val session = LocalSession.current
-
-    val user = session?.getUser(memberId)
-
-    val icon = rsvpAnswer.toIcon()
-    val responseResourceId = rsvpAnswer.toResponseResourceId()
-    val colorRole = rsvpAnswer.toStaticColorRole()
-
-    ListItem(
-        modifier = modifier.clickable {
-            onClickMember(memberId)
-        },
-        headlineContent = {
-            Text(
-                text = user?.displayName ?: stringResource(R.string.user_unresolved_name),
-            )
-        },
-        leadingContent = {
-            Box(
-                Modifier
-                    .padding(end = 10.dp)
-                    .size(40.dp)
-                    .clip(MaterialTheme.shapes.extraLarge)
-            ) {
-                AvatarFromURL(
-                    url = user?.avatarUrl,
-                )
-            }
-        },
-        trailingContent = {
-            Icon(
-                imageVector = icon,
-                contentDescription = stringResource(responseResourceId),
-                tint = colorRole.value,
-            )
-        },
-        supportingContent = {
-            if (rsvpComment != "") {
-                Text(
-                    text = rsvpComment,
-                    color = colorRole.value,
-                )
-            }
-        },
-    )
-}

app/src/main/java/eu/steffo/twom/room/RSVPAnswer.kt

@@ -1,118 +0,0 @@
-package eu.steffo.twom.room
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.outlined.Cancel
-import androidx.compose.material.icons.outlined.CheckCircle
-import androidx.compose.material.icons.outlined.Circle
-import androidx.compose.material.icons.outlined.Help
-import androidx.compose.material.icons.outlined.Schedule
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.State
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.ui.graphics.vector.ImageVector
-import eu.steffo.twom.R
-import eu.steffo.twom.theme.StaticColorRole
-import eu.steffo.twom.theme.colorRoleLater
-import eu.steffo.twom.theme.colorRoleMaybe
-import eu.steffo.twom.theme.colorRoleNoway
-import eu.steffo.twom.theme.colorRoleSure
-import eu.steffo.twom.theme.colorRoleUnknown
-import org.matrix.android.sdk.api.query.QueryStringValue
-import org.matrix.android.sdk.api.session.events.model.Event
-import org.matrix.android.sdk.api.session.room.Room
-import org.matrix.android.sdk.api.util.Optional
-
-enum class RSVPAnswer {
-    SURE,
-    LATER,
-    MAYBE,
-    NOWAY,
-    UNKNOWN,
-}
-
-@Composable
-fun RSVPAnswer.toStaticColorRole(): StaticColorRole {
-    return when (this) {
-        RSVPAnswer.SURE -> colorRoleSure()
-        RSVPAnswer.LATER -> colorRoleLater()
-        RSVPAnswer.MAYBE -> colorRoleMaybe()
-        RSVPAnswer.NOWAY -> colorRoleNoway()
-        RSVPAnswer.UNKNOWN -> colorRoleUnknown()
-    }
-}
-
-fun RSVPAnswer.toIcon(): ImageVector {
-    return when (this) {
-        RSVPAnswer.SURE -> Icons.Outlined.CheckCircle
-        RSVPAnswer.LATER -> Icons.Outlined.Schedule
-        RSVPAnswer.MAYBE -> Icons.Outlined.Help
-        RSVPAnswer.NOWAY -> Icons.Outlined.Cancel
-        RSVPAnswer.UNKNOWN -> Icons.Outlined.Circle
-    }
-}
-
-fun RSVPAnswer.toLabelResourceId(): Int {
-    return when (this) {
-        RSVPAnswer.SURE -> R.string.room_rsvp_sure_label
-        RSVPAnswer.LATER -> R.string.room_rsvp_later_label
-        RSVPAnswer.MAYBE -> R.string.room_rsvp_maybe_label
-        RSVPAnswer.NOWAY -> R.string.room_rsvp_noway_label
-        RSVPAnswer.UNKNOWN -> R.string.room_rsvp_unknown_label
-    }
-}
-
-fun RSVPAnswer.toResponseResourceId(): Int {
-    return when (this) {
-        RSVPAnswer.SURE -> R.string.room_rsvp_sure_response
-        RSVPAnswer.LATER -> R.string.room_rsvp_later_response
-        RSVPAnswer.MAYBE -> R.string.room_rsvp_maybe_response
-        RSVPAnswer.NOWAY -> R.string.room_rsvp_noway_response
-        RSVPAnswer.UNKNOWN -> R.string.room_rsvp_unknown_response
-    }
-}
-
-fun RSVPAnswer.toPlaceholderResourceId(): Int {
-    return when (this) {
-        RSVPAnswer.SURE -> R.string.room_rsvp_sure_placeholder
-        RSVPAnswer.LATER -> R.string.room_rsvp_later_placeholder
-        RSVPAnswer.MAYBE -> R.string.room_rsvp_maybe_placeholder
-        RSVPAnswer.NOWAY -> R.string.room_rsvp_noway_placeholder
-        RSVPAnswer.UNKNOWN -> R.string.room_rsvp_unknown_placeholder
-    }
-}
-
-fun makeRSVP(request: State<Optional<Event>?>?): Triple<Event, RSVPAnswer, String>? {
-    val event = request?.value?.getOrNull() ?: return null
-    val content = event.content ?: return null
-
-    val answerAny = content["answer"]
-    val commentAny = content["comment"]
-
-    val answer = if (answerAny is String) {
-        try {
-            RSVPAnswer.valueOf(answerAny)
-        } catch (_: IllegalArgumentException) {
-            RSVPAnswer.UNKNOWN
-        }
-    } else {
-        RSVPAnswer.UNKNOWN
-    }
-
-    val comment = if (commentAny is String) {
-        commentAny
-    } else {
-        ""
-    }
-
-    return Triple(event, answer, comment)
-}
-
-@Composable
-fun observeRsvpAsLiveState(room: Room, userId: String): Triple<Event, RSVPAnswer, String>? {
-    val stateRequest = room.stateService().getStateEventLive(
-        eventType = "eu.steffo.twom.rsvp",
-        stateKey = QueryStringValue.Equals(userId),
-    ).observeAsState()
-
-    return makeRSVP(stateRequest)
-}

app/src/main/java/eu/steffo/twom/room/RSVPCommentField.kt

@@ -1,43 +0,0 @@
-package eu.steffo.twom.room
-
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.OutlinedTextFieldDefaults
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.tooling.preview.Preview
-
-@Composable
-@Preview
-fun RSVPCommentField(
-    modifier: Modifier = Modifier,
-    value: String = "",
-    onChange: (value: String) -> Unit = {},
-    rsvpAnswer: RSVPAnswer = RSVPAnswer.UNKNOWN,
-) {
-    val colorRole = rsvpAnswer.toStaticColorRole()
-
-    OutlinedTextField(
-        modifier = modifier,
-        value = value,
-        onValueChange = onChange,
-        singleLine = true,
-        shape = MaterialTheme.shapes.small,
-        placeholder = {
-            Text(
-                text = stringResource(rsvpAnswer.toPlaceholderResourceId())
-            )
-        },
-        colors = OutlinedTextFieldDefaults.colors(
-            focusedContainerColor = colorRole.valueContainer,
-            unfocusedContainerColor = colorRole.valueContainer,
-            focusedTextColor = colorRole.onValueContainer,
-            unfocusedTextColor = colorRole.onValueContainer,
-            focusedBorderColor = colorRole.onValueContainer,
-            unfocusedBorderColor = colorRole.onValueContainer.copy(alpha = 0.3f),
-            cursorColor = colorRole.onValueContainer,
-        )
-    )
-}

app/src/main/java/eu/steffo/twom/room/RoomActivityAnswerForm.kt

@@ -1,47 +0,0 @@
-package eu.steffo.twom.room
-
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-
-@Composable
-@Preview
-fun RoomActivityAnswerForm(
-    currentRsvpAnswer: RSVPAnswer = RSVPAnswer.UNKNOWN,
-    currentRsvpComment: String = "",
-    onUpdate: (rsvpAnswer: RSVPAnswer, rsvpComment: String) -> Unit = { _, _ -> },
-    isUpdating: Boolean = false,
-) {
-    var rsvpAnswer by rememberSaveable { mutableStateOf(currentRsvpAnswer) }
-    var rsvpComment by rememberSaveable { mutableStateOf(currentRsvpComment) }
-
-    val hasChanged = (rsvpAnswer != currentRsvpAnswer || rsvpComment != currentRsvpComment)
-
-    RSVPAnswerSelectRow(
-        value = rsvpAnswer,
-        onChange = { rsvpAnswer = it },
-    )
-    RSVPCommentField(
-        modifier = Modifier
-            .padding(start = 10.dp, end = 10.dp)
-            .fillMaxWidth(),
-        value = rsvpComment,
-        onChange = { rsvpComment = it },
-        rsvpAnswer = rsvpAnswer,
-    )
-    RSVPUpdateButton(
-        modifier = Modifier
-            .padding(start = 10.dp, end = 10.dp, top = 4.dp, bottom = 4.dp)
-            .fillMaxWidth(),
-        onClick = { onUpdate(rsvpAnswer, rsvpComment) },
-        enabled = hasChanged && !isUpdating,
-        rsvpAnswer = rsvpAnswer,
-    )
-}

app/src/main/java/eu/steffo/twom/room/RoomActivityContent.kt

@@ -1,258 +0,0 @@
-package eu.steffo.twom.room
-
-import android.util.Log
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxHeight
-import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import eu.steffo.twom.R
-import eu.steffo.twom.matrix.LocalSession
-import eu.steffo.twom.theme.ErrorText
-import eu.steffo.twom.theme.TwoMPadding
-import kotlinx.coroutines.launch
-import kotlin.jvm.optionals.getOrNull
-
-
-@Composable
-fun RoomActivityContent(
-    modifier: Modifier = Modifier,
-) {
-    val scope = rememberCoroutineScope()
-
-    val session = LocalSession.current
-    if (session == null) {
-        ErrorText(stringResource(R.string.error_session_missing))
-        return
-    }
-
-    val roomRequest = LocalRoom.current
-    if (roomRequest == null) {
-        ErrorText(stringResource(R.string.room_error_room_missing))
-        return
-    }
-
-    val room = roomRequest.getOrNull()
-    if (room == null) {
-        ErrorText(stringResource(R.string.room_error_room_notfound))
-        return
-    }
-
-    val roomSummaryRequest = LocalRoomSummary.current
-    if (roomSummaryRequest == null) {
-        ErrorText(stringResource(R.string.room_error_roomsummary_missing))
-        return
-    }
-
-    val roomSummary = roomSummaryRequest.getOrNull()
-    if (roomSummary == null) {
-        ErrorText(stringResource(R.string.room_error_roomsummary_notfound))
-        return
-    }
-
-    LaunchedEffect(roomSummary.otherMemberIds) ResolveUnknownUsers@{
-        // Resolve unknown users, one at a time
-        roomSummary.otherMemberIds.map {
-            if (session.userService().getUser(it) == null) {
-                Log.i("Room", "Resolving unknown user: $it")
-                session.userService().resolveUser(it)
-                Log.d("Room", "Successfully resolved unknown user: $it")
-            } else {
-                Log.v("Room", "Not resolving known user: $it")
-            }
-        }
-    }
-
-    val myRsvpRequest = observeRsvpAsLiveState(room = room, userId = session.myUserId)
-    val otherRsvpRequests =
-        roomSummary.otherMemberIds.map { it to observeRsvpAsLiveState(room = room, userId = it) }
-
-    var isUpdatingMyRsvp by rememberSaveable { mutableStateOf(false) }
-    var errorMyRsvp by rememberSaveable { mutableStateOf<Throwable?>(null) }
-    var isSendingInvite by rememberSaveable { mutableStateOf(false) }
-    var errorInvite by rememberSaveable { mutableStateOf<Throwable?>(null) }
-
-    Box(
-        modifier = modifier
-            .verticalScroll(rememberScrollState())
-    ) {
-        Column(
-            modifier = Modifier.fillMaxHeight()
-        ) {
-            if (roomSummary.topic != "") {
-                Row(TwoMPadding.base) {
-                    Text(
-                        text = stringResource(R.string.room_topic_title),
-                        style = MaterialTheme.typography.labelLarge,
-                    )
-                }
-                Row(TwoMPadding.base) {
-                    Text(roomSummary.topic)
-                }
-            }
-
-            Row(TwoMPadding.base) {
-                Text(
-                    text = stringResource(R.string.room_rsvp_title),
-                    style = MaterialTheme.typography.labelLarge,
-                )
-            }
-
-            RoomActivityAnswerForm(
-                // FIXME: This always set the request to UNKNOWN
-                currentRsvpAnswer = myRsvpRequest?.second ?: RSVPAnswer.UNKNOWN,
-                currentRsvpComment = myRsvpRequest?.third ?: "",
-                onUpdate = { answer, comment ->
-                    isUpdatingMyRsvp = true
-                    errorMyRsvp = null
-
-                    scope.launch SendRSVP@{
-                        Log.d(
-                            "Room",
-                            "Updating eu.steffo.twom.rsvp with answer `$answer` and comment `$comment`..."
-                        )
-                        try {
-                            room.stateService().sendStateEvent(
-                                eventType = "eu.steffo.twom.rsvp",
-                                stateKey = session.myUserId,
-                                body = mapOf(
-                                    pairs = arrayOf(
-                                        "answer" to answer.toString(),
-                                        "comment" to comment,
-                                    )
-                                ),
-                            )
-                        } catch (error: Exception) {
-                            Log.e("Room", "Failed to update eu.steffo.twom.rsvp: $error")
-                            errorMyRsvp = error
-                            isUpdatingMyRsvp = false
-                            return@SendRSVP
-                        }
-                        Log.d(
-                            "Room",
-                            "Updated eu.steffo.twom.rsvp with answer `$answer` and comment `$comment`!"
-                        )
-
-                        if (myRsvpRequest != null) {
-                            val myRsvpRequestEventId = myRsvpRequest.first.eventId
-                            Log.d(
-                                "Room",
-                                "Attempting to redact old eu.steffo.twom.rsvp event `${myRsvpRequestEventId}`..."
-                            )
-                            try {
-                                room.sendService()
-                                    .redactEvent(
-                                        myRsvpRequest.first,
-                                        "Replaced with new information"
-                                    )
-                            } catch (error: Throwable) {
-                                Log.e(
-                                    "Room",
-                                    "Failed to redact the old eu.steffo.twom.rsvp: $error"
-                                )
-                                errorMyRsvp = error
-                                isUpdatingMyRsvp = false
-                                return@SendRSVP
-                            }
-                        } else {
-                            Log.d(
-                                "Room",
-                                "Not doing anything else; there isn't anything to redact."
-                            )
-                        }
-
-                        isUpdatingMyRsvp = false
-                    }
-                },
-                isUpdating = isUpdatingMyRsvp,
-            )
-
-            if (errorMyRsvp != null) {
-                // TODO: Maybe add an human-friendly error message?
-                Row(TwoMPadding.base) {
-                    ErrorText(
-                        errorMyRsvp.toString()
-                    )
-                }
-            }
-
-            Row(TwoMPadding.base) {
-                Text(
-                    text = stringResource(R.string.room_invitees_title),
-                    style = MaterialTheme.typography.labelLarge,
-                )
-            }
-
-            Column(TwoMPadding.base) {
-                MemberListItem(
-                    memberId = LocalSession.current!!.myUserId,
-                    rsvpAnswer = myRsvpRequest?.second ?: RSVPAnswer.UNKNOWN,
-                    rsvpComment = myRsvpRequest?.third ?: "",
-                )
-
-                // FIXME: This also displays invited members!
-                otherRsvpRequests.forEach {
-                    MemberListItem(
-                        memberId = it.first,
-                        rsvpAnswer = it.second?.second ?: RSVPAnswer.UNKNOWN,
-                        rsvpComment = it.second?.third ?: "",
-                    )
-                }
-            }
-
-            Row(TwoMPadding.base) {
-                Text(
-                    text = stringResource(R.string.room_invite_title),
-                    style = MaterialTheme.typography.labelLarge,
-                )
-            }
-
-            Row(TwoMPadding.base) {
-                RoomActivityInviteForm(
-                    busy = isSendingInvite,
-                    onSend = {
-                        scope.launch SendInvite@{
-                            isSendingInvite = true
-                            errorInvite = null
-
-                            Log.d("Room", "Sending invite to `$it`...")
-
-                            try {
-                                room.membershipService().invite(it)
-                            } catch (error: Throwable) {
-                                Log.e("Room", "Failed to send invite to `$it`: $error")
-                                errorInvite = error
-                                isSendingInvite = false
-                                return@SendInvite
-                            }
-
-                            Log.d("Room", "Successfully sent invite to `$it`!")
-                            isSendingInvite = false
-                        }
-                    }
-                )
-            }
-
-            if (errorInvite != null) {
-                // TODO: Maybe add an human-friendly error message?
-                Row(TwoMPadding.base) {
-                    ErrorText(
-                        errorInvite.toString()
-                    )
-                }
-            }
-        }
-    }
-}

app/src/main/java/eu/steffo/twom/room/RoomActivityInviteForm.kt

@@ -1,76 +0,0 @@
-package eu.steffo.twom.room
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Button
-import androidx.compose.material3.ButtonDefaults
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.OutlinedTextFieldDefaults
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import eu.steffo.twom.R
-import eu.steffo.twom.theme.colorRoleUnknown
-
-@Composable
-@Preview
-fun RoomActivityInviteForm(
-    modifier: Modifier = Modifier,
-    busy: Boolean = false,
-    onSend: (userId: String) -> Unit = {},
-) {
-    var value by rememberSaveable { mutableStateOf("") }
-    val colorRole = colorRoleUnknown()
-
-    Column(modifier) {
-        OutlinedTextField(
-            modifier = Modifier
-                .fillMaxWidth(),
-            value = value,
-            onValueChange = { value = it },
-            singleLine = true,
-            shape = MaterialTheme.shapes.small,
-            placeholder = {
-                Text(
-                    text = stringResource(R.string.room_invite_username_placeholder)
-                )
-            },
-            colors = OutlinedTextFieldDefaults.colors(
-                focusedContainerColor = colorRole.valueContainer,
-                unfocusedContainerColor = colorRole.valueContainer,
-                focusedTextColor = colorRole.onValueContainer,
-                unfocusedTextColor = colorRole.onValueContainer,
-                focusedBorderColor = colorRole.onValueContainer,
-                unfocusedBorderColor = colorRole.onValueContainer.copy(alpha = 0.3f),
-                cursorColor = colorRole.onValueContainer,
-            )
-        )
-
-        Button(
-            modifier = Modifier
-                .padding(top = 4.dp)
-                .fillMaxWidth(),
-            onClick = { onSend(value) },
-            shape = MaterialTheme.shapes.small,
-            // FIXME: Maybe I should validate usernames with a regex
-            enabled = (value.contains("@") && value.contains(":") && !busy),
-            colors = ButtonDefaults.buttonColors(
-                containerColor = colorRole.value,
-                contentColor = colorRole.onValue,
-            )
-        ) {
-            Text(
-                text = stringResource(R.string.room_invite_button_label)
-            )
-        }
-    }
-}

app/src/main/java/eu/steffo/twom/room/RoomActivityRoomIconButton.kt

@@ -1,71 +0,0 @@
-package eu.steffo.twom.room
-
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.interaction.MutableInteractionSource
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.size
-import androidx.compose.material.ripple.rememberRipple
-import androidx.compose.material3.DropdownMenu
-import androidx.compose.material3.DropdownMenuItem
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.material3.minimumInteractiveComponentSize
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.semantics.Role
-import androidx.compose.ui.unit.dp
-import eu.steffo.twom.R
-import eu.steffo.twom.matrix.avatar.AvatarFromURL
-
-@Composable
-fun RoomActivityRoomIconButton(
-    modifier: Modifier = Modifier,
-    interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
-    avatarUrl: String,
-) {
-    var expanded by remember { mutableStateOf(false) }
-
-    Box(modifier) {
-        // Mostly copied from IconButton's source
-        // TODO: Make sure accessibility works right
-        Box(
-            modifier = Modifier
-                .minimumInteractiveComponentSize()
-                .size(40.dp)
-                .clip(MaterialTheme.shapes.medium)
-                .clickable(
-                    role = Role.Button,
-                    interactionSource = interactionSource,
-                    indication = rememberRipple(
-                        bounded = false,
-                        radius = 28.dp
-                    )
-                ) { expanded = true },
-        ) {
-            AvatarFromURL(
-                url = avatarUrl,
-                contentDescription = LocalContext.current.getString(R.string.room_options_label),
-            )
-        }
-        DropdownMenu(
-            expanded = expanded,
-            onDismissRequest = { expanded = false },
-        ) {
-            DropdownMenuItem(
-                text = {
-                    Text("garasauto")
-                },
-                onClick = {
-                    expanded = false
-                }
-            )
-        }
-    }
-
-}

app/src/main/java/eu/steffo/twom/room/RoomActivityTopBar.kt

@@ -1,60 +0,0 @@
-package eu.steffo.twom.room
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.ArrowBack
-import androidx.compose.material.icons.filled.Warning
-import androidx.compose.material3.CircularProgressIndicator
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.material3.TopAppBar
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.res.stringResource
-import eu.steffo.twom.R
-
-
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-fun RoomActivityTopBar(
-    modifier: Modifier = Modifier,
-    onBack: () -> Unit = {},
-) {
-    val isLoading = (LocalRoomSummary.current == null)
-    val roomSummary = LocalRoomSummary.current?.getOrNull()
-    val isError = (!isLoading && roomSummary == null)
-
-    TopAppBar(
-        modifier = modifier,
-        navigationIcon = {
-            IconButton(onClick = onBack) {
-                Icon(
-                    imageVector = Icons.Filled.ArrowBack,
-                    contentDescription = LocalContext.current.getString(R.string.back)
-                )
-            }
-        },
-        title = {
-            if (roomSummary != null) {
-                Text(
-                    text = roomSummary.displayName,
-                    style = MaterialTheme.typography.titleLarge,
-                )
-            }
-        },
-        actions = {
-            if (isLoading) {
-                CircularProgressIndicator()
-            } else if (isError) {
-                Icon(Icons.Filled.Warning, stringResource(R.string.error))
-            } else {
-                RoomActivityRoomIconButton(
-                    avatarUrl = roomSummary!!.avatarUrl,
-                )
-            }
-        },
-    )
-}

app/src/main/java/eu/steffo/twom/theme/ErrorText.kt

@@ -1,15 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-
-@Composable
-fun ErrorText(
-    text: String
-) {
-    Text(
-        text = text,
-        color = MaterialTheme.colorScheme.error,
-    )
-}

app/src/main/java/eu/steffo/twom/theme/StaticColorRole.kt

@@ -1,10 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.ui.graphics.Color
-
-data class StaticColorRole(
-    val value: Color,
-    val onValue: Color,
-    val valueContainer: Color,
-    val onValueContainer: Color,
-)

app/src/main/java/eu/steffo/twom/theme/TwoMPadding.kt

@@ -1,11 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.foundation.layout.padding
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
-
-
-object TwoMPadding {
-    val base = Modifier.padding(all = 10.dp)
-    val chips = Modifier.padding(start = 2.5.dp, end = 2.5.dp)
-}

app/src/main/java/eu/steffo/twom/theme/colorRoleLater.kt

@@ -1,29 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
-import com.google.android.material.color.MaterialColors
-
-
-@Composable
-fun colorRoleLater(): StaticColorRole {
-    val ctx = LocalContext.current
-
-    return when (isSystemInDarkTheme()) {
-        false -> StaticColorRole(
-            value = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x00658B)),
-            onValue = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFFFFF)),
-            valueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xC4E7FF)),
-            onValueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x001E2C)),
-        )
-
-        true -> StaticColorRole(
-            value = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x7DD0FF)),
-            onValue = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x00344A)),
-            valueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x004C69)),
-            onValueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xC4E7FF)),
-        )
-    }
-}

app/src/main/java/eu/steffo/twom/theme/colorRoleMaybe.kt

@@ -1,29 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
-import com.google.android.material.color.MaterialColors
-
-
-@Composable
-fun colorRoleMaybe(): StaticColorRole {
-    val ctx = LocalContext.current
-
-    return when (isSystemInDarkTheme()) {
-        false -> StaticColorRole(
-            value = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x765B00)),
-            onValue = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFFFFF)),
-            valueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFDF94)),
-            onValueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x241A00)),
-        )
-
-        true -> StaticColorRole(
-            value = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xEDC148)),
-            onValue = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x3E2E00)),
-            valueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x594400)),
-            onValueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFDF94)),
-        )
-    }
-}

app/src/main/java/eu/steffo/twom/theme/colorRoleNoway.kt

@@ -1,29 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
-import com.google.android.material.color.MaterialColors
-
-
-@Composable
-fun colorRoleNoway(): StaticColorRole {
-    val ctx = LocalContext.current
-
-    return when (isSystemInDarkTheme()) {
-        false -> StaticColorRole(
-            value = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xAB3520)),
-            onValue = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFFFFF)),
-            valueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFDAD3)),
-            onValueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x3F0400)),
-        )
-
-        true -> StaticColorRole(
-            value = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFB4A5)),
-            onValue = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x650A00)),
-            valueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x891D0A)),
-            onValueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFDAD3)),
-        )
-    }
-}

app/src/main/java/eu/steffo/twom/theme/colorRoleSure.kt

@@ -1,28 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
-import com.google.android.material.color.MaterialColors
-
-@Composable
-fun colorRoleSure(): StaticColorRole {
-    val ctx = LocalContext.current
-
-    return when (isSystemInDarkTheme()) {
-        false -> StaticColorRole(
-            value = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x006E2C)),
-            onValue = Color(MaterialColors.harmonizeWithPrimary(ctx, 0xFFFFFF)),
-            valueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x7FFC95)),
-            onValueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x002108)),
-        )
-
-        true -> StaticColorRole(
-            value = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x62DF7C)),
-            onValue = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x003913)),
-            valueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x00531F)),
-            onValueContainer = Color(MaterialColors.harmonizeWithPrimary(ctx, 0x7FFC95)),
-        )
-    }
-}

app/src/main/java/eu/steffo/twom/theme/colorRoleUnknown.kt

@@ -1,14 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.runtime.Composable
-
-@Composable
-fun colorRoleUnknown(): StaticColorRole {
-    return StaticColorRole(
-        value = MaterialTheme.colorScheme.inverseSurface,
-        onValue = MaterialTheme.colorScheme.inverseOnSurface,
-        valueContainer = MaterialTheme.colorScheme.surface,
-        onValueContainer = MaterialTheme.colorScheme.onSurface,
-    )
-}

app/src/main/java/eu/steffo/twom/utils/RSVP.kt

@@ -0,0 +1,9 @@
+package eu.steffo.twom.utils
+
+import org.matrix.android.sdk.api.session.events.model.Event
+
+data class RSVP(
+    val event: Event?,
+    val answer: RSVPAnswer,
+    val comment: String,
+)

app/src/main/java/eu/steffo/twom/utils/RSVPAnswer.kt

@@ -0,0 +1,227 @@
+package eu.steffo.twom.utils
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.BuildCircle
+import androidx.compose.material.icons.outlined.Cancel
+import androidx.compose.material.icons.outlined.CheckCircle
+import androidx.compose.material.icons.outlined.Circle
+import androidx.compose.material.icons.outlined.HelpOutline
+import androidx.compose.material.icons.outlined.HourglassEmpty
+import androidx.compose.material.icons.outlined.MoreHoriz
+import androidx.compose.material.icons.outlined.Schedule
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import eu.steffo.twom.R
+import eu.steffo.twom.composables.theme.LaterColorRole
+import eu.steffo.twom.composables.theme.MaybeColorRole
+import eu.steffo.twom.composables.theme.NowayColorRole
+import eu.steffo.twom.composables.theme.NullishColorRole
+import eu.steffo.twom.composables.theme.StaticColorRole
+import eu.steffo.twom.composables.theme.SureColorRole
+
+enum class RSVPAnswer {
+    // Will be there!
+    SURE {
+        override val value: String
+            get() = "SURE"
+
+        override val staticColorRole: StaticColorRole
+            get() = SureColorRole
+
+        override val icon: ImageVector
+            get() = Icons.Outlined.CheckCircle
+
+        @Composable
+        override fun toLabel(): String =
+            stringResource(R.string.room_rsvp_sure_label)
+
+        @Composable
+        override fun toResponse(): String =
+            stringResource(R.string.room_rsvp_sure_response)
+
+        @Composable
+        override fun toCommentPlaceholder(): String =
+            stringResource(R.string.room_rsvp_sure_placeholder)
+    },
+
+    // Will be there, but later!
+    LATER {
+        override val value: String
+            get() = "LATER"
+
+        override val staticColorRole: StaticColorRole
+            get() = LaterColorRole
+
+        override val icon: ImageVector
+            get() = Icons.Outlined.Schedule
+
+        @Composable
+        override fun toLabel(): String =
+            stringResource(R.string.room_rsvp_later_label)
+
+        @Composable
+        override fun toResponse(): String =
+            stringResource(R.string.room_rsvp_later_response)
+
+        @Composable
+        override fun toCommentPlaceholder(): String =
+            stringResource(R.string.room_rsvp_later_placeholder)
+    },
+
+    // Might be there...
+    MAYBE {
+        override val value: String
+            get() = "MAYBE"
+
+        override val staticColorRole: StaticColorRole
+            get() = MaybeColorRole
+
+        override val icon: ImageVector
+            get() = Icons.Outlined.HelpOutline
+
+        @Composable
+        override fun toLabel(): String =
+            stringResource(R.string.room_rsvp_maybe_label)
+
+        @Composable
+        override fun toResponse(): String =
+            stringResource(R.string.room_rsvp_maybe_response)
+
+        @Composable
+        override fun toCommentPlaceholder(): String =
+            stringResource(R.string.room_rsvp_maybe_placeholder)
+    },
+
+    // Won't be there.
+    NOWAY {
+        override val value: String
+            get() = "NOWAY"
+
+        override val staticColorRole: StaticColorRole
+            get() = NowayColorRole
+
+        override val icon: ImageVector
+            get() = Icons.Outlined.Cancel
+
+        @Composable
+        override fun toLabel(): String =
+            stringResource(R.string.room_rsvp_noway_label)
+
+        @Composable
+        override fun toResponse(): String =
+            stringResource(R.string.room_rsvp_noway_response)
+
+        @Composable
+        override fun toCommentPlaceholder(): String =
+            stringResource(R.string.room_rsvp_noway_placeholder)
+    },
+
+    // An option differing from the previous ones.
+    UNKNOWN {
+        override val value: String?
+            get() = null
+
+        override val staticColorRole: StaticColorRole
+            get() = NullishColorRole
+
+        override val icon: ImageVector
+            get() = Icons.Outlined.BuildCircle
+
+        @Composable
+        override fun toLabel(): String? =
+            null
+
+        @Composable
+        override fun toResponse(): String =
+            stringResource(R.string.room_rsvp_unknown_response)
+
+        @Composable
+        override fun toCommentPlaceholder(): String =
+            stringResource(R.string.room_rsvp_nullish_placeholder)
+    },
+
+    // The answer is still being loaded.
+    LOADING {
+        override val value: String?
+            get() = null
+
+        override val staticColorRole: StaticColorRole
+            get() = NullishColorRole
+
+        override val icon: ImageVector
+            get() = Icons.Outlined.HourglassEmpty
+
+        @Composable
+        override fun toLabel(): String? = null
+
+        @Composable
+        override fun toResponse(): String =
+            stringResource(R.string.loading)
+
+        @Composable
+        override fun toCommentPlaceholder(): String =
+            stringResource(R.string.room_rsvp_nullish_placeholder)
+    },
+
+    // No answer has been provided yet.
+    NONE {
+        override val value: String?
+            get() = null
+
+        override val staticColorRole: StaticColorRole
+            get() = NullishColorRole
+
+        override val icon: ImageVector
+            get() = Icons.Outlined.Circle
+
+        @Composable
+        override fun toLabel(): String? =
+            null
+
+        @Composable
+        override fun toResponse(): String =
+            stringResource(R.string.room_rsvp_none_response)
+
+        @Composable
+        override fun toCommentPlaceholder(): String =
+            stringResource(R.string.room_rsvp_nullish_placeholder)
+    },
+
+    // Has been invited, but has not accepted yet.
+    PENDING {
+        override val value: String?
+            get() = null
+
+        override val staticColorRole: StaticColorRole
+            get() = NullishColorRole
+
+        override val icon: ImageVector
+            get() = Icons.Outlined.MoreHoriz
+
+        @Composable
+        override fun toLabel(): String? =
+            null
+
+        @Composable
+        override fun toResponse(): String =
+            stringResource(R.string.room_rsvp_pending_response)
+
+        @Composable
+        override fun toCommentPlaceholder(): String =
+            stringResource(R.string.room_rsvp_nullish_placeholder)
+    };
+
+    abstract val value: String?
+    abstract val staticColorRole: StaticColorRole
+    abstract val icon: ImageVector
+
+    @Composable
+    abstract fun toLabel(): String?
+
+    @Composable
+    abstract fun toResponse(): String
+
+    @Composable
+    abstract fun toCommentPlaceholder(): String
+}

app/src/main/java/eu/steffo/twom/utils/TwoMGlobals.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.matrix
+package eu.steffo.twom.utils
 
 import android.content.Context
 import android.util.Log
@@ -9,7 +9,7 @@ import org.matrix.android.sdk.api.MatrixConfiguration
 /**
  * Object containing the global state of the application.
  */
-object TwoMMatrix {
+object TwoMGlobals {
     /**
      * The global [Matrix] object of the application.
      *
@@ -38,4 +38,10 @@ object TwoMMatrix {
     }
 
     const val ROOM_TYPE = "eu.steffo.twom.happening"
+
+    const val RSVP_STATE_TYPE = "eu.steffo.twom.rsvp"
+
+    const val RSVP_STATE_ANSWER_FIELD = "answer"
+
+    const val RSVP_STATE_COMMENT_FIELD = "comment"
 }

app/src/main/java/eu/steffo/twom/utils/TwoMRoomDisplayNameFallbackProvider.kt

@@ -1,4 +1,4 @@
-package eu.steffo.twom.matrix
+package eu.steffo.twom.utils
 
 import android.content.Context
 import eu.steffo.twom.R

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

@@ -52,13 +52,10 @@
     <string name="room_rsvp_later_placeholder">Why will you be late?</string>
     <string name="room_rsvp_maybe_placeholder">What will determine your partecipation?</string>
     <string name="room_rsvp_noway_placeholder">Why won\'t you partecipate?</string>
-    <string name="room_rsvp_unknown_response">Hasn\'t answered yet</string>
-    <string name="room_rsvp_unknown_placeholder">Leave a comment…</string>
-    <string name="room_update_label">Update</string>
+    <string name="room_rsvp_update_label">Update</string>
     <string name="error_session_missing">The Matrix session context has not been initialized.</string>
     <string name="room_error_room_notfound">Could not find the requested Matrix room.</string>
     <string name="room_error_room_missing">The Matrix room context has not been initialized.</string>
-    <string name="room_rsvp_unknown_label">No answer</string>
     <string name="room_error_roomsummary_missing">The Matrix room summary context has not been initialized.</string>
     <string name="room_error_roomsummary_notfound">Could not find the requested Matrix room summary.</string>
     <string name="room_invite_username_placeholder">\@steffotwo:candy.steffo.eu</string>
@@ -74,4 +71,15 @@
     <string name="login_error_wizard_generic">Something went wrong while setting up the login wizard: %1$s</string>
     <string name="login_error_login_generic">Something went wrong while logging in: %1$s</string>
     <string name="main_error_leave_generic">Something went wrong while leaving the room: %1$s</string>
+    <string name="close">Close</string>
+    <string name="room_options_edit_text">Edit party</string>
+    <string name="room_options_zoom_text">Zoom on avatar</string>
+    <string name="room_error_members_notfound">Could not retrieve the list of room members.</string>
+    <string name="room_rsvp_nullish_placeholder">Leave a comment...</string>
+    <string name="room_rsvp_unknown_response">Has given an unsupported response</string>
+    <string name="room_rsvp_none_response">Hasn\'t responded yet</string>
+    <string name="room_rsvp_pending_response">Hasn\'t opened the invite yet</string>
+    <string name="room_uninvite_label">Uninvite</string>
+    <string name="room_error_publish_generic">Something went wrong while updating your RSVP: %1$s</string>
+    <string name="room_error_redact_generic">Your response has been updated, but something went wrong while attempting to remove your previous one: %1$s</string>
 </resources>

app/src/main/res/values/themes.xml

@@ -3,6 +3,6 @@
 
     <style name="Theme.TwoM" parent="@style/Theme.Material3.DayNight" />
 
-    <style name="Theme.TwoM.Dialog" parent="@style/Theme.Material3.DayNight.Dialog" />
+    <style name="Theme.TwoM.BottomSheetDialog" parent="@style/Theme.Material3.DayNight.BottomSheetDialog" />
 
 </resources>