wip

Make room elements smaller and change background color

.idea/AndroidProjectSystem.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidProjectSystem">
+    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
+  </component>
+</project>

.idea/copyright/profiles_settings.xml

@@ -1,7 +1,3 @@
 <component name="CopyrightManager">
-  <settings default="My">
-    <module2copyright>
-      <element module="All" copyright="My" />
-    </module2copyright>
-  </settings>
+  <settings default="My" />
 </component>

.idea/deploymentTargetSelector.xml

@@ -4,6 +4,14 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2025-02-22T11:46:39.159466074Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="PhysicalDevice" identifier="serial=22163a3c" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
       </SelectionState>
     </selectionStates>
   </component>

.idea/kotlinc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="2.0.0" />
+    <option name="version" value="2.0.21" />
   </component>
 </project>

.idea/runConfigurations.xml

@@ -5,8 +5,12 @@
       <set>
         <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
         <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
         <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
         <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
       </set>
     </option>
   </component>

.idea/studiobot.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="StudioBotProjectSettings">
+    <option name="shareContext" value="OptedIn" />
+  </component>
+</project>

app/build.gradle.kts

@@ -1,13 +1,13 @@
 /*
- * Created by sweetbread on 21.02.2025, 12:01
+ * Created by sweetbread
  * Copyright (c) 2025. All rights reserved.
- * Last modified 21.02.2025, 12:01
  */
 
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.compose)
+    id("com.google.devtools.ksp")
 }
 
 android {
@@ -16,7 +16,7 @@ android {
 
     defaultConfig {
         applicationId = "ru.risdeveau.pixeldragon"
-        minSdk = 24
+        minSdk = 26
         targetSdk = 35
         versionCode = 1
         versionName = "1.0"
@@ -34,11 +34,11 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "17"
     }
     buildFeatures {
         compose = true
@@ -64,12 +64,27 @@ dependencies {
 
     // Ktor - web client
     implementation(libs.ktor.client.core)
-    implementation(libs.ktor.client.cio)
+    implementation(libs.ktor.client.okhttp)
+    implementation(libs.ktor.client.logging)
 
     // Coil - image loader
     implementation(libs.coil.compose)
     implementation(libs.coil.network.okhttp)
-    
+
+    // Room - database
+    implementation(libs.androidx.room.runtime)
+    implementation(libs.androidx.lifecycle.viewmodel.ktx)
+    implementation(libs.androidx.room.ktx)
+    ksp(libs.androidx.room.compiler)
+
+    // Navigation Compose
+    implementation(libs.androidx.navigation.compose)
+    implementation(libs.androidx.navigation.fragment)
+    implementation(libs.androidx.navigation.ui)
+    implementation(libs.androidx.navigation.dynamic.features.fragment)
+    androidTestImplementation(libs.androidx.navigation.testing)
+
     // Others
-    implementation(libs.splitties.base)  // Syntax sugar
+    implementation(libs.splitties.base)           // Syntax sugar
+    implementation(libs.jsoup)                    // HTML parser
 }

app/src/main/AndroidManifest.xml

@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  ~ Created by sweetbread on 21.02.2025, 12:08
+  ~ Created by sweetbread
   ~ Copyright (c) 2025. All rights reserved.
-  ~ Last modified 21.02.2025, 12:07
   -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
@@ -20,15 +19,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.PixelDragon"
         tools:targetApi="31">
-        <activity
-            android:name=".ui.activity.Login"
-            android:exported="false"
-            android:label="@string/title_activity_login"
-            android:theme="@style/Theme.PixelDragon" />
         <activity
             android:name=".ui.activity.MainActivity"
             android:exported="true"
-            android:label="@string/app_name"
             android:theme="@style/Theme.PixelDragon">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -36,6 +29,11 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <activity
+            android:name=".ui.activity.Login"
+            android:exported="false"
+            android:theme="@style/Theme.PixelDragon" />
     </application>
 
 </manifest>

app/src/main/java/ru/risdeveau/pixeldragon/Common.kt

@@ -1,43 +1,53 @@
 /*
- * Created by sweetbread on 21.02.2025, 12:01
+ * Created by sweetbread
  * Copyright (c) 2025. All rights reserved.
- * Last modified 21.02.2025, 12:01
  */
 
 package ru.risdeveau.pixeldragon
 
-import android.content.Context
+import android.util.Log
 import io.ktor.client.HttpClient
-import io.ktor.client.engine.cio.CIO
-import io.ktor.client.engine.cio.endpoint
 import io.ktor.client.plugins.cache.HttpCache
+import io.ktor.client.plugins.logging.LogLevel
+import io.ktor.client.plugins.logging.Logger
+import io.ktor.client.plugins.logging.Logging
+import ru.risdeveau.pixeldragon.api.MatrixSyncService
 import ru.risdeveau.pixeldragon.api.getMe
-import splitties.init.appCtx
+import splitties.preferences.Preferences
 
-val client = HttpClient(CIO) {
-    engine {
-        endpoint {
-            maxConnectionsPerRoute = 100
-            pipelineMaxSize = 20
-            keepAliveTime = 30000
-            connectTimeout = 15000
-            connectAttempts = 5
+val client = HttpClient {
+    install(Logging) {
+        logger = object : Logger {
+            override fun log(message: String) {
+                Log.i("Ktor", message)
+            }
         }
+        level = LogLevel.ALL
     }
 
     install(HttpCache)
 }
 
-val accountData = appCtx.getSharedPreferences("settings", Context.MODE_PRIVATE)
-lateinit var urlBase: String
+lateinit var homeserver: String
+lateinit var baseUrl: String
 lateinit var token: String
 
-suspend fun initCheck(): Boolean {
-    if (!accountData.contains("token")) return false
-    if (!accountData.contains("homeserver")) return false
+object AccountData : Preferences("system_parameters") {
+    var token by stringOrNullPref("token", null)
+    var homeserver by stringOrNullPref("homeserver", null)
+    var syncLastBatch by stringOrNullPref("next_batch", null)
+    var filter by stringOrNullPref("filter", null)
+}
 
-    token = accountData.getString("token", "").toString()
-    urlBase = "https://${accountData.getString("homeserver", "")}/_matrix/client/v3"
+val syncService = MatrixSyncService()
+
+suspend fun initCheck(): Boolean {
+    Log.d("initCheck", "checking...")
+
+    token = AccountData.token ?: return false
+    homeserver = AccountData.homeserver ?: return false
+
+    baseUrl = "$homeserver/_matrix/client/v3"
 
     return getMe() != null
-}
+}

app/src/main/java/ru/risdeveau/pixeldragon/api/Event.kt

@@ -0,0 +1,58 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ * Last modified 03.03.2025, 20:21
+ */
+
+package ru.risdeveau.pixeldragon.api
+
+import io.ktor.client.request.bearerAuth
+import io.ktor.client.request.get
+import io.ktor.client.request.parameter
+import io.ktor.client.statement.bodyAsText
+import org.json.JSONObject
+import ru.risdeveau.pixeldragon.baseUrl
+import ru.risdeveau.pixeldragon.client
+import ru.risdeveau.pixeldragon.token
+import java.time.Instant
+
+class Event (
+    val id: String,
+    val rid: String,
+    val type: String,
+    val content: JSONObject,
+    val time: Instant,
+    val sender: String  
+) {
+//    constructor(json: JSONObject) : this(
+//        json.getString("event_id"),
+//        json.getString("room_id"),
+//        json.getString("sender"),
+//        json.getString("type"),
+//        json.getJSONObject("content")
+//    )
+}
+
+//data class EventsAround (
+//    val base: Event,
+//    val before: List<Event>,
+//    val after: List<Event>
+//)
+//
+//suspend fun getEventsAround(room: String, event: String): EventsAround {
+//    val r = client.get("$baseUrl/rooms/$room/context/$event") {
+//        bearerAuth(token)
+//        parameter("limit", "50")
+//    }
+//    val json = JSONObject(r.bodyAsText())
+//
+//    return EventsAround(
+//        Event(json.getJSONObject("event")),
+//        if (json.has("events_before")) json.getJSONArray("events_before").let {
+//            List<Event>(it.length()) { i -> Event(it.getJSONObject(i))}.reversed()
+//        } else listOf(),
+//        if (json.has("events_after")) json.getJSONArray("events_after").let {
+//            List<Event>(it.length()) { i -> Event(it.getJSONObject(i))}
+//        } else listOf()
+//    )
+//}

app/src/main/java/ru/risdeveau/pixeldragon/api/Room.kt

@@ -0,0 +1,97 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.api
+
+import io.ktor.client.request.bearerAuth
+import io.ktor.client.request.get
+import io.ktor.client.statement.bodyAsText
+import io.ktor.http.HttpStatusCode
+import kotlinx.coroutines.async
+import kotlinx.coroutines.coroutineScope
+import org.json.JSONObject
+import ru.risdeveau.pixeldragon.baseUrl
+import ru.risdeveau.pixeldragon.client
+import ru.risdeveau.pixeldragon.repo.Room
+import ru.risdeveau.pixeldragon.repo.User
+import ru.risdeveau.pixeldragon.token
+
+//fun getRooms(): List<Room> {
+//    return db.roomDoa().getAllJoined()
+//}
+//
+//fun updateRooms(): List<Room> {
+//
+//}
+
+suspend fun getJoinedRooms(): List<Room> {
+    val r = client.get("$baseUrl/joined_rooms")
+    { bearerAuth(token) }
+    val rooms = JSONObject(r.bodyAsText()).getJSONArray("joined_rooms")
+    return List(
+        rooms.length()
+    ) { i -> getRoom(rooms.getString(i), true) }
+}
+
+suspend fun isJoined(id: String): Boolean {
+    val r = client.get("$baseUrl/joined_rooms")
+    { bearerAuth(token) }
+    val rooms = JSONObject(r.bodyAsText()).getJSONArray("joined_rooms")
+    return List<String>(
+        rooms.length()
+    ) { i -> rooms.getString(i) }.contains(id)
+}
+
+suspend fun getRoom(rid: String, joined: Boolean? = null): Room {
+    val direct = getAccountData(getMe()!!.userId, "m.direct")
+    var directWith = ""
+    direct?.let {
+        for (user in direct.keys()) {
+            val roomsWithUser = direct.getJSONArray(user)
+            for (i in 0 until roomsWithUser.length()) {
+                if (rid == roomsWithUser.getString(i)) {
+                    directWith = user
+                    break
+                }
+            }
+            if (directWith.isNotEmpty()) break
+        }
+    }
+
+    return coroutineScope {
+        val name = async { getState(rid, "m.room.name", "name") }
+        val type = async { getState(rid, "m.room.create", "type") ?: "m.room" }
+        val creator = async { getState(rid, "m.room.create", "creator") }
+        val avatar = async { getState(rid, "m.room.avatar", "url") }
+        val joined = async { joined ?: isJoined(rid) }
+        val direct = async { if (directWith.isNotEmpty()) User.getById(directWith) else null }
+
+        Room(
+            rid,
+            name.await(),
+            type.await(),
+            creator.await(),
+            null,
+            avatar.await(),
+            null,
+            joined.await(),
+            direct.await()
+        )
+    }
+}
+
+private suspend fun getState(rid: String, state: String, key: String): String? {
+    val r = client.get("$baseUrl/rooms/$rid/state/$state") { bearerAuth(token) }
+    if (r.status != HttpStatusCode.OK) return null
+    val json = JSONObject(r.bodyAsText())
+    if (!json.has(key)) return null
+    return json.getString(key)
+}
+
+suspend fun getAccountData(user: String, room: String, state: String): JSONObject? {
+    val r = client.get("$baseUrl/user/$user/rooms/$room/account_data/$state") { bearerAuth(token) }
+    if (r.status != HttpStatusCode.OK) return null
+    return JSONObject(r.bodyAsText())
+}

app/src/main/java/ru/risdeveau/pixeldragon/api/Server.kt

@@ -1,7 +1,6 @@
 /*
- * Created by sweetbread on 21.02.2025, 12:01
+ * Created by sweetbread
  * Copyright (c) 2025. All rights reserved.
- * Last modified 21.02.2025, 12:01
  */
 
 package ru.risdeveau.pixeldragon.api
@@ -11,13 +10,28 @@ import io.ktor.client.statement.bodyAsText
 import org.json.JSONException
 import org.json.JSONObject
 import ru.risdeveau.pixeldragon.client
+import ru.risdeveau.pixeldragon.homeserver
 
-suspend fun isMatrixServer(url: String): Boolean {
+suspend fun getHomeserver(url: String): String? {
     val r = try { client.get("https://$url/.well-known/matrix/client") }
-    catch (_: Exception) { return false }
+    catch (_: Exception) { return null }
 
-    try { JSONObject(r.bodyAsText()) }
-    catch (_: JSONException) { return false }
+    val json = try { JSONObject(r.bodyAsText()) }
+    catch (_: JSONException) { return null }
 
-    return true
+    if (!json.has("m.homeserver")) return null
+
+    var homeserver = json.getJSONObject("m.homeserver").getString("base_url")
+    if (homeserver.endsWith("/")) homeserver = homeserver.dropLast(1)
+
+    return homeserver
+}
+
+fun mxcToUrl(mxc: String): String? {
+    val pattern = Regex("mxc://([-a-zA-Z0-9@:%._+~#=]{1,256}\\.[a-zA-Z0-9()]{1,6})/([^#?]+)")
+    val match = pattern.find(mxc)
+
+    if ((match?.groupValues[1] == null) or (match?.groupValues[2] == null)) return null
+
+    return "$homeserver/_matrix/client/v1/media/download/${match?.groupValues[1]}/${match?.groupValues[2]}"
 }

app/src/main/java/ru/risdeveau/pixeldragon/api/User.kt

@@ -1,12 +1,10 @@
 /*
- * Created by sweetbread on 21.02.2025, 12:09
+ * Created by sweetbread
  * Copyright (c) 2025. All rights reserved.
- * Last modified 21.02.2025, 12:01
  */
 
 package ru.risdeveau.pixeldragon.api
 
-import android.annotation.SuppressLint
 import android.util.Log
 import io.ktor.client.request.bearerAuth
 import io.ktor.client.request.get
@@ -17,20 +15,23 @@ import io.ktor.http.ContentType
 import io.ktor.http.HttpStatusCode
 import io.ktor.http.contentType
 import org.json.JSONObject
-import ru.risdeveau.pixeldragon.accountData
+import ru.risdeveau.pixeldragon.AccountData
+import ru.risdeveau.pixeldragon.baseUrl
 import ru.risdeveau.pixeldragon.client
 import ru.risdeveau.pixeldragon.initCheck
 import ru.risdeveau.pixeldragon.token
-import ru.risdeveau.pixeldragon.urlBase
+import splitties.experimental.ExperimentalSplittiesApi
 import splitties.init.appCtx
+import splitties.preferences.edit
 
 data class Me (val userId: String, val deviceId: String)
+data class UserProfile (val displayName: String, val avatarUrl: String, val other: JSONObject)
 
 /**
  * This func is to validate the token
  */
 suspend fun getMe(): Me? {
-    val r = client.get("$urlBase/account/whoami") { bearerAuth(token) }
+    val r = client.get("$baseUrl/account/whoami") { bearerAuth(token) }
     if (r.status != HttpStatusCode.OK) {
         Log.e("getMe", r.bodyAsText())
         return null
@@ -40,9 +41,11 @@ suspend fun getMe(): Me? {
     return Me(json.getString("user_id"), json.getString("device_id"))
 }
 
-@SuppressLint("ApplySharedPref")
-suspend fun login(homeserver: String, login: String, pass: String): Boolean {
-    val pinfo = appCtx.packageManager.getPackageInfo(appCtx.packageName, 0);
+@OptIn(ExperimentalSplittiesApi::class)
+suspend fun login(server: String, login: String, pass: String): Boolean {
+    val hs = getHomeserver(server)!!
+
+    val pinfo = appCtx.packageManager.getPackageInfo(appCtx.packageName, 0)
 
     val pattern = """
         {
@@ -58,7 +61,7 @@ suspend fun login(homeserver: String, login: String, pass: String): Boolean {
     json.put("password", pass)
 
     val r = try {
-        client.post("https://$homeserver/_matrix/client/v3/login") {
+        client.post("$hs/_matrix/client/v3/login") {
             setBody(json.toString())
             contentType(ContentType.Application.Json)
         }
@@ -73,10 +76,25 @@ suspend fun login(homeserver: String, login: String, pass: String): Boolean {
     }
 
     val res = JSONObject(r.bodyAsText())
-    val editor = accountData.edit()
-    editor.putString("token", res.getString("access_token"))
-    editor.putString("homeserver", res.getString("home_server"))
-    editor.commit()
+    AccountData.edit {
+        token = res.getString("access_token")
+        homeserver = hs
+    }
 
     return initCheck()
 }
+
+suspend fun getAccountData(user: String, state: String): JSONObject? {
+    val r = client.get("$baseUrl/user/$user/account_data/$state") { bearerAuth(token) }
+    if (r.status != HttpStatusCode.OK) return null
+    return JSONObject(r.bodyAsText())
+}
+
+suspend fun getUserProfile(userId: String): UserProfile? {
+    val r = client.get("$baseUrl/profile/$userId") { bearerAuth(token) }
+    if (r.status != HttpStatusCode.OK) return null
+    val json = JSONObject(r.bodyAsText())
+    val name = json.optString("displayname", ""); json.remove("displayname")
+    val avatar = json.optString("avatar_url", ""); json.remove("avatar_url")
+    return UserProfile(name, avatar, json)
+}

app/src/main/java/ru/risdeveau/pixeldragon/api/sync.kt

@@ -0,0 +1,237 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.api
+
+import android.util.Log
+import io.ktor.client.request.bearerAuth
+import io.ktor.client.request.get
+import io.ktor.client.request.header
+import io.ktor.client.request.parameter
+import io.ktor.client.request.post
+import io.ktor.client.request.setBody
+import io.ktor.client.statement.bodyAsText
+import io.ktor.http.ContentType
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.contentType
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import org.json.JSONObject
+import ru.risdeveau.pixeldragon.AccountData.syncLastBatch
+import ru.risdeveau.pixeldragon.baseUrl
+import ru.risdeveau.pixeldragon.client
+import ru.risdeveau.pixeldragon.db.isConnected
+import ru.risdeveau.pixeldragon.token
+import ru.risdeveau.pixeldragon.ui.activity.ME
+import splitties.init.appCtx
+import java.io.File
+
+
+class MatrixSyncService {
+    private val _syncState = MutableStateFlow<SyncState>(SyncState.Idle)
+    val syncState: StateFlow<SyncState> = _syncState.asStateFlow()
+
+    private var syncJob: Job? = null
+//    private var isInitialized = false
+//
+//    fun initialize() {
+//        isInitialized = true
+//    }
+
+    fun startSync() {
+//        if (!isInitialized)
+//            throw IllegalStateException("Sync service not initialized")
+
+        if (syncJob?.isActive == true) return
+
+        syncJob = CoroutineScope(Dispatchers.IO).launch {
+            if (syncLastBatch == "") {
+                _syncState.value = SyncState.Syncing
+                try {
+                    processSyncResponse(initialSync())
+                    _syncState.value = SyncState.Idle
+                } catch (e: Exception) {
+                    _syncState.value = SyncState.Error(e.message)
+                }
+            }
+
+//            while (isActive) {
+//                try {
+//                    val response = sync (
+//                        timeout = 30000,
+//                        filter = getFilter()
+//                    )
+//
+//                    processSyncResponse(response)
+//
+//                } catch (e: Exception) {
+//                    Log.w("sync", e.message.toString())
+//                    delay(5000) // Wait before retry
+//                }
+//            }
+        }
+    }
+
+
+    fun stopSync() {
+        syncJob?.cancel()
+        _syncState.value = SyncState.Idle
+    }
+
+    fun pauseSync() {
+        // Called when app goes to background
+        syncJob?.cancel()
+    }
+
+    fun resumeSync() {
+        // Called when app comes to foreground
+        if (!isSyncActive()) {
+            startSync()
+        }
+    }
+
+    fun isSyncActive(): Boolean = syncJob?.isActive == true
+
+    private suspend fun processSyncResponse(response: JSONObject) {
+//        Log.d("syncResponse", response.toString(2))
+//        val newMessages = mutableListOf<Message>()
+//        val roomUpdates = mutableListOf<RoomUpdate>()
+//
+//        response.rooms?.join?.forEach { (roomId, roomData) ->
+//            // Process timeline events (messages)
+//            roomData.timeline?.events?.forEach { event ->
+//                val message = event.toMessage(roomId)
+//                database.messageDao().insertMessage(message)
+//                newMessages.add(message)
+//            }
+//
+//            // Process room state updates
+//            roomData.state?.events?.forEach { event ->
+//                when (event.type) {
+//                    "m.room.name", "m.room.avatar" -> {
+//                        roomUpdates.add(RoomUpdate(roomId, event.type, event.content))
+//                    }
+//                }
+//            }
+//
+//            // Process ephemeral events (typing, receipts)
+//            roomData.ephemeral?.events?.forEach { event ->
+//                when (event.type) {
+//                    "m.typing" -> handleTypingEvent(roomId, event)
+//                    "m.receipt" -> handleReceiptEvent(roomId, event)
+//                }
+//            }
+//        }
+//
+//        // Notify the app about new data
+//        if (newMessages.isNotEmpty()) {
+//            _newMessages.emit(newMessages)
+//        }
+//        if (roomUpdates.isNotEmpty()) {
+//            _roomUpdates.emit(roomUpdates)
+//        }
+    }
+}
+
+sealed class SyncState {
+    object Idle : SyncState()
+    object Syncing : SyncState()
+    object Success : SyncState()
+    data class Error(val message: String?) : SyncState()
+}
+
+suspend fun sync(): JSONObject {
+
+    return JSONObject()
+    
+}
+
+suspend fun initialSync(): JSONObject {
+    val initialFilter = """
+        {
+          "room": {
+            "state": {
+              "types": [
+                "m.room.name",
+                "m.room.avatar",
+                "m.room.canonical_alias",
+                "m.room.encryption",
+                "m.room.tombstone",
+                "m.room.power_levels",
+                "m.room.member"
+              ],
+              "lazy_load_members": true,
+              "not_types": []
+            },
+            "timeline": {
+              "limit": 10,
+              "types": ["m.room.message"],
+              "not_types": [
+                "m.room.name",
+                "m.room.avatar",
+                "m.room.canonical_alias",
+                "m.room.encryption",
+                "m.room.tombstone",
+                "m.room.power_levels",
+                "m.room.member",
+                "m.call.*"
+              ]
+            },
+            "ephemeral": {
+              "types": [],
+              "not_types": ["m.typing", "m.receipt"]
+            },
+            "include_leave": false
+          },
+          "presence": {
+            "types": [],
+            "not_types": ["*"]
+          },
+          "event_format": "client",
+          "event_fields": [
+            "type",
+            "content",
+            "sender",
+            "state_key",
+            "room_id",
+            "origin_server_ts"
+          ]
+        }
+    """.trimIndent()
+
+    var r = client.post("$baseUrl/user/${ME!!.userId}/filter") {
+        setBody(initialFilter)
+        contentType(ContentType.Application.Json)
+        bearerAuth(token)
+    }
+
+    if (r.status != HttpStatusCode.OK)
+        throw IllegalStateException("Failed to create a filter")
+    val filterId = JSONObject(r.bodyAsText()).getString("filter_id")
+//    val filterId = "vmNk"
+
+    /*val*/ r = client.get("$baseUrl/sync") {
+        bearerAuth(token)
+        url {
+            parameter("filter", filterId)
+        }
+    }
+
+    if (r.status != HttpStatusCode.OK)
+        throw IllegalStateException("Failed to sync")
+    Log.d("initialSync", "Response size: ${r.bodyAsText().length}")
+
+    val json = JSONObject(r.bodyAsText())
+    syncLastBatch = json.getString("next_batch")
+
+    return json
+}

app/src/main/java/ru/risdeveau/pixeldragon/db/Common.kt

@@ -0,0 +1,41 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.db
+
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import androidx.room.TypeConverter
+import splitties.init.appCtx
+import splitties.systemservices.connectivityManager
+import java.time.Instant
+
+@Database(entities = [RoomDB::class, SpaceToRoom::class, UserDB::class], version = 1)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun roomDoa(): RoomDao
+    abstract fun userDoa(): UserDao
+}
+
+class Converters {
+    @TypeConverter
+    fun fromInstant(value: Instant?): String? {
+        return value?.toString()
+    }
+
+    @TypeConverter
+    fun toInstant(value: String?): Instant? {
+        return value?.let { Instant.parse(it) }
+    }
+}
+
+fun isConnected(): Boolean = connectivityManager.isDefaultNetworkActive
+
+val cacheDb = Room.databaseBuilder(
+    appCtx,
+    AppDatabase::class.java, "cache"
+)
+    .fallbackToDestructiveMigration()
+    .build()

app/src/main/java/ru/risdeveau/pixeldragon/db/Room.kt

@@ -0,0 +1,101 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.db
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Embedded
+import androidx.room.Entity
+import androidx.room.Insert
+import androidx.room.Junction
+import androidx.room.OnConflictStrategy
+import androidx.room.PrimaryKey
+import androidx.room.Query
+import androidx.room.Relation
+import androidx.room.TypeConverters
+import ru.risdeveau.pixeldragon.repo.Room
+import ru.risdeveau.pixeldragon.repo.User
+import java.time.Instant
+
+@Entity(tableName = "room")
+@TypeConverters(Converters::class)
+data class RoomDB (
+    @PrimaryKey val id: String,
+    val updatedAt: Instant,
+    val name: String?,
+    val type: String,
+    val creatorId: String?,
+    val createTime: Long?,
+    val avatarUrl: String?,
+    val members: Int?,
+    val joined: Boolean,
+    val direct: String?
+)
+
+fun RoomDB.isExpired(cacheDuration: Long = 60 * 60): Boolean {
+    return Instant.now().minusSeconds(cacheDuration) > updatedAt
+}
+
+suspend fun RoomDB.toDomain(): Room = Room(
+    id = id,
+    name = name,
+    type = type,
+    creatorId = creatorId,
+    createTime = createTime,
+    avatarUrl = avatarUrl,
+    members = members,
+    joined = joined,
+    direct = direct?.let { User.getById(it) }
+)
+
+fun Room.toEntity(): RoomDB = RoomDB(
+    id = id,
+    updatedAt = Instant.now(),
+    name = name,
+    type = type,
+    creatorId = creatorId,
+    createTime = createTime,
+    avatarUrl = avatarUrl,
+    members = members,
+    joined = joined,
+    direct = direct?.id
+)
+
+
+@Dao
+interface RoomDao {
+    @Query("SELECT * FROM room WHERE id LIKE :id LIMIT 1")
+    fun getById(id: String): RoomDB?
+
+//    @Transaction
+//    @Query("SELECT * FROM room WHERE ")
+//    fun getSpace(rid: String): Space
+
+    @Query("SELECT * FROM room WHERE joined = 1 AND id NOT IN (SELECT id FROM SpaceToRoom)")
+    fun getAllJoined(): List<RoomDB>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insert(vararg rooms: RoomDB)
+
+    @Delete
+    fun delete(room: RoomDB)
+}
+
+@Entity(primaryKeys = ["spaceId", "roomId"])
+data class SpaceToRoom(
+    val spaceId: String,
+    val roomId: String
+)
+
+data class Space(
+    @Embedded val space: RoomDB,
+    @Relation(
+        parentColumn = "spaceId",
+        entityColumn = "roomId",
+        associateBy = Junction(SpaceToRoom::class)
+    )
+    val children: List<RoomDB>
+)

app/src/main/java/ru/risdeveau/pixeldragon/db/User.kt

@@ -0,0 +1,60 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.db
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Entity
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.PrimaryKey
+import androidx.room.Query
+import androidx.room.TypeConverters
+import org.json.JSONObject
+import ru.risdeveau.pixeldragon.repo.User
+import java.time.Instant
+
+@Entity(tableName = "user")
+@TypeConverters(Converters::class)
+data class UserDB (
+    @PrimaryKey val id: String,
+    val updatedAt: Instant,
+    val name: String?,
+    val avatar: String?,
+    val attrs: String,
+)
+
+fun UserDB.isExpired(cacheDuration: Long = 60 * 60): Boolean {
+    return Instant.now().minusSeconds(cacheDuration) > updatedAt
+}
+
+fun UserDB.toDomain(): User = User(
+    id = id,
+    name = name,
+    avatarUrl = avatar,
+    attrs = JSONObject(attrs),
+)
+
+fun User.toEntity(): UserDB = UserDB(
+    id = id,
+    updatedAt = Instant.now(),
+    name = name,
+    avatar = avatarUrl,
+    attrs = attrs.toString().trim(),
+)
+
+
+@Dao
+interface UserDao {
+    @Query("SELECT * FROM user WHERE id LIKE :id LIMIT 1")
+    fun getById(id: String): UserDB?
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insert(vararg users: UserDB)
+
+    @Delete
+    fun delete(user: UserDB)
+}

app/src/main/java/ru/risdeveau/pixeldragon/repo/Room.kt

@@ -0,0 +1,62 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.repo
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import ru.risdeveau.pixeldragon.api.getJoinedRooms
+import ru.risdeveau.pixeldragon.api.getRoom
+import ru.risdeveau.pixeldragon.db.cacheDb
+import ru.risdeveau.pixeldragon.db.isConnected
+import ru.risdeveau.pixeldragon.db.isExpired
+import ru.risdeveau.pixeldragon.db.toDomain
+import ru.risdeveau.pixeldragon.db.toEntity
+
+class Room (
+    val id: String,
+    val name: String?,
+    val type: String,
+    val creatorId: String?,
+    val createTime: Long?,
+    val avatarUrl: String?,
+    val members: Int?,
+    val joined: Boolean,
+    val direct: User?,
+
+) {
+    companion object {
+        suspend fun getById(id: String, cached: Boolean = true): Room {
+            val cachedRoom = cacheDb.roomDoa().getById(id)
+            if (!isConnected() and
+                (!cached or (cachedRoom == null) or (cachedRoom?.isExpired() == true))
+            ) {
+                val room = getRoom(id)
+                CoroutineScope(Dispatchers.IO).launch {
+                    val cacheRoom = room.toEntity()
+                    cacheDb.roomDoa().insert(cacheRoom)
+                }
+                return room
+            }
+            return cachedRoom!!.toDomain()
+        }
+
+        suspend fun getJoined(cached: Boolean = true): List<Room> {
+            val cacheJoined = cacheDb.roomDoa().getAllJoined()
+            if (isConnected() and
+                (!cached or cacheJoined.isEmpty() or (cacheJoined.any { it.isExpired() }))
+            ) {
+                val rooms = getJoinedRooms()
+                CoroutineScope(Dispatchers.IO).launch {
+                    val roomsDb = List(rooms.size) { i -> rooms[i].toEntity() }
+                    cacheDb.roomDoa().insert(*roomsDb.toTypedArray())
+                }
+                return rooms
+            }
+            return List(cacheJoined.size) { i -> cacheJoined[i].toDomain() }
+        }
+    }
+}

app/src/main/java/ru/risdeveau/pixeldragon/repo/User.kt

@@ -0,0 +1,51 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.repo
+
+import android.util.Log
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.json.JSONObject
+import ru.risdeveau.pixeldragon.api.getUserProfile
+import ru.risdeveau.pixeldragon.db.cacheDb
+import ru.risdeveau.pixeldragon.db.isConnected
+import ru.risdeveau.pixeldragon.db.isExpired
+import ru.risdeveau.pixeldragon.db.toDomain
+import ru.risdeveau.pixeldragon.db.toEntity
+
+class User (
+    val id: String,
+    val name: String?,
+    val avatarUrl: String?,
+    val attrs: JSONObject
+) {
+    companion object {
+        suspend fun getById(id: String, cached: Boolean = true): User? {
+            val cachedUser = cacheDb.userDoa().getById(id)
+            if (isConnected() and
+                (!cached or (cachedUser == null) or (cachedUser?.isExpired() == true))
+            ) {
+                val userProfile = getUserProfile(id)
+                if (userProfile == null) {
+                    Log.i("User.getById", "User $id not found")
+                    return null
+                }
+                val user = User(
+                    id,
+                    userProfile.displayName,
+                    userProfile.avatarUrl,
+                    userProfile.other
+                )
+                CoroutineScope(Dispatchers.IO).launch {
+                    cacheDb.userDoa().insert(user.toEntity())
+                }
+                return user
+            }
+            return cachedUser!!.toDomain()
+        }
+    }
+}

app/src/main/java/ru/risdeveau/pixeldragon/ui/activity/Login.kt

@@ -1,7 +1,6 @@
 /*
- * Created by sweetbread on 21.02.2025, 12:08
+ * Created by sweetbread
  * Copyright (c) 2025. All rights reserved.
- * Last modified 21.02.2025, 12:08
  */
 
 package ru.risdeveau.pixeldragon.ui.activity
@@ -35,15 +34,18 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.unit.dp
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.launch
-import ru.risdeveau.pixeldragon.api.isMatrixServer
+import ru.risdeveau.pixeldragon.api.getHomeserver
 import ru.risdeveau.pixeldragon.api.login
 import ru.risdeveau.pixeldragon.ui.theme.PixelDragonTheme
 import splitties.activities.start
 
 class Login : ComponentActivity() {
+    @OptIn(DelicateCoroutinesApi::class)
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
         enableEdgeToEdge()
         setContent {
             PixelDragonTheme {
@@ -56,10 +58,16 @@ class Login : ComponentActivity() {
                             SnackbarHost(hostState = snackbarHostState)
                         }
                     ) { innerPadding ->
-                        Box(Modifier.fillMaxSize().padding(innerPadding)) {
+                        Box(
+                            Modifier
+                                .fillMaxSize()
+                                .padding(innerPadding)) {
                             LoginField(
                                 Modifier.align(Alignment.Center),
-                                { start<MainActivity>() },
+                                {
+                                    start<MainActivity>()
+                                    finish()
+                                },
                                 {
                                     scope.launch {
                                         snackbarHostState
@@ -89,7 +97,7 @@ fun LoginField(modifier: Modifier = Modifier, ok: () -> Unit, err: () -> Unit) {
         var login by remember { mutableStateOf("") }
         var pass by remember { mutableStateOf("") }
 
-        var hmsValid by remember { mutableStateOf(false) }
+        var hmsValid: Boolean by remember { mutableStateOf(false) }
 
         OutlinedTextField(
             modifier = Modifier.padding(4.dp),
@@ -119,18 +127,17 @@ fun LoginField(modifier: Modifier = Modifier, ok: () -> Unit, err: () -> Unit) {
         Button(
             enabled = hmsValid && !login.isEmpty() && !pass.isEmpty(),
             onClick = {
-                var loginSuccess = false
-                scope.launch { loginSuccess = login(homeserver, login, pass) }
-
-                if (loginSuccess) ok()
-                else err()
+                scope.launch {
+                    if (login(homeserver, login, pass)) ok()
+                    else err()
+                }
             }
         ) {
             Text("Login")
         }
 
         LaunchedEffect(homeserver) {
-            scope.launch { hmsValid = isMatrixServer(homeserver) }
+            scope.launch { hmsValid = (getHomeserver(homeserver) != null) }
         }
     }
 }

app/src/main/java/ru/risdeveau/pixeldragon/ui/activity/MainActivity.kt

@@ -1,7 +1,6 @@
 /*
- * Created by sweetbread on 21.02.2025, 12:08
+ * Created by sweetbread
  * Copyright (c) 2025. All rights reserved.
- * Last modified 21.02.2025, 12:07
  */
 
 package ru.risdeveau.pixeldragon.ui.activity
@@ -18,23 +17,29 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults.topAppBarColors
-import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
-import kotlinx.coroutines.DelicateCoroutinesApi
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.launch
+import androidx.navigation.NavType
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+import androidx.navigation.navArgument
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import ru.risdeveau.pixeldragon.api.Me
+import ru.risdeveau.pixeldragon.api.getMe
 import ru.risdeveau.pixeldragon.initCheck
+import ru.risdeveau.pixeldragon.syncService
+import ru.risdeveau.pixeldragon.ui.layout.Room
+import ru.risdeveau.pixeldragon.ui.layout.RoomList
 import ru.risdeveau.pixeldragon.ui.theme.PixelDragonTheme
 import splitties.activities.start
 
-class MainActivity : ComponentActivity() {
-    @OptIn(ExperimentalMaterial3Api::class, DelicateCoroutinesApi::class)
-    override fun onCreate(savedInstanceState: Bundle?) {
-        GlobalScope.launch {
-            if (!initCheck()) start<Login>()
-        }
+var ME: Me? = null
 
+class MainActivity : ComponentActivity() {
+    @OptIn(ExperimentalMaterial3Api::class)
+    override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         enableEdgeToEdge()
@@ -54,28 +59,43 @@ class MainActivity : ComponentActivity() {
                         )
                     },
                 ) { innerPadding ->
-                    Greeting(
-                        name = "Android",
-                        modifier = Modifier.padding(innerPadding)
-                    )
+                    val navController = rememberNavController()
+
+                    LaunchedEffect(Unit) {
+                        if (initCheck()) {
+                            ME = withContext(Dispatchers.IO) { getMe() }
+                            if (ME != null) {
+                                syncService.startSync()
+                                navController.navigate("rooms")
+                            } else {
+                                start<Login>()
+                                finish()
+                            }
+                        } else {
+                            start<Login>()
+                            finish()
+                        }
+                    }
+
+                    NavHost(navController = navController, startDestination = "none") {
+                        composable("none") {  }
+                        composable("rooms") { RoomList(Modifier.padding(innerPadding), navController) }
+                        composable(
+                            "room/{rid}",
+                            arguments = listOf(navArgument("rid") { type = NavType.StringType })
+                        ) { navBackStackEntry ->
+                            Room(Modifier
+                                .padding(innerPadding)
+                                .fillMaxSize(), navBackStackEntry.arguments!!.getString("rid")!!)
+                        }
+                        composable(
+                            "space/{rid}",
+                            arguments = listOf(navArgument("rid") { type = NavType.StringType })
+                        ) { navBackStackEntry ->
+                            Text(modifier = Modifier.padding(innerPadding), text = "Not implemented") }
+                    }
                 }
             }
         }
     }
 }
-
-@Composable
-fun Greeting(name: String, modifier: Modifier = Modifier) {
-    Text(
-        text = "Hello $name!",
-        modifier = modifier
-    )
-}
-
-@Preview(showBackground = true)
-@Composable
-fun GreetingPreview() {
-    PixelDragonTheme {
-        Greeting("Android")
-    }
-}

app/src/main/java/ru/risdeveau/pixeldragon/ui/item/Image.kt

@@ -0,0 +1,81 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.ui.item
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Warning
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.Icon
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import coil3.compose.AsyncImagePainter
+import coil3.compose.rememberAsyncImagePainter
+import coil3.network.NetworkHeaders
+import coil3.network.httpHeaders
+import coil3.request.ImageRequest
+import ru.risdeveau.pixeldragon.api.mxcToUrl
+import ru.risdeveau.pixeldragon.token
+import splitties.init.appCtx
+
+
+enum class ImageLoadState {
+    Loading, Success, Error
+}
+
+@Composable
+fun MXCImage(
+    mxcUrl: String,
+    modifier: Modifier = Modifier,
+    contentScale: ContentScale = ContentScale.Fit,
+    contentDescription: String = ""
+) {
+    mxcToUrl(mxcUrl)?.let { url ->
+        val loadState = remember { mutableStateOf(ImageLoadState.Loading) }
+        val painter = rememberAsyncImagePainter(
+            model = ImageRequest.Builder(appCtx)
+                .data(url)
+                .httpHeaders(
+                    NetworkHeaders.Builder()
+                        .set("Authorization", "Bearer $token")
+                        .set("Cache-Control", "max-age=86400")
+                        .build()
+                )
+                .build(),
+            onState = { state ->
+                loadState.value = when (state) {
+                    is AsyncImagePainter.State.Loading -> ImageLoadState.Loading
+                    is AsyncImagePainter.State.Success -> ImageLoadState.Success
+                    else -> ImageLoadState.Error
+                }
+            }
+        )
+
+        Box(
+            modifier = modifier.fillMaxSize(),
+            contentAlignment = Alignment.Center
+        ) {
+            Image(
+                painter = painter,
+                contentDescription = contentDescription,
+                contentScale = contentScale,
+                modifier = Modifier.fillMaxSize()
+            )
+
+            when (loadState.value) {
+                ImageLoadState.Loading -> CircularProgressIndicator()
+                ImageLoadState.Error -> Icon(Icons.Outlined.Warning, "Error")
+                ImageLoadState.Success -> Unit
+            }
+        }
+    }
+}

app/src/main/java/ru/risdeveau/pixeldragon/ui/layout/Room.kt

@@ -0,0 +1,342 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.ui.layout
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+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.graphics.Color
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import org.jsoup.Jsoup
+import org.jsoup.safety.Safelist
+import ru.risdeveau.pixeldragon.api.Event
+import ru.risdeveau.pixeldragon.api.getAccountData
+import ru.risdeveau.pixeldragon.api.getEventsAround
+import ru.risdeveau.pixeldragon.ui.activity.ME
+import ru.risdeveau.pixeldragon.ui.item.MXCImage
+
+@Composable
+fun Room(modifier: Modifier = Modifier, rid: String) {
+    var eventsId by remember { mutableStateOf(listOf<Event>()) }
+    val listState = rememberLazyListState()
+
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            val readMark = getAccountData(ME!!.userId, rid, "m.fully_read")
+            val eventsAround = getEventsAround(rid, readMark!!.getString("event_id"))  //FIXME: Null check
+            eventsId = eventsAround.let {
+                it.before + listOf(it.base) + it.after
+            }
+        }
+    }
+
+    LazyColumn(modifier = modifier, state = listState, reverseLayout = true) {
+        items(eventsId.reversed()) { event ->
+            EventItem(event)
+        }
+
+        item {
+            if (eventsId.isEmpty()) {
+                Text("Empty room")
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun EventItem(event: Event) {
+    Box (Modifier.fillMaxWidth()) {
+        when (event.type) {
+            "m.room.message" -> Column(
+                Modifier
+                    .fillMaxSize()
+                    .then(
+                        if (event.sender != ME!!.userId)
+                            Modifier.padding(end = 16.dp)
+                        else
+                            Modifier.padding(start = 16.dp)
+                    )
+                    .padding(4.dp)
+                    .background(
+                        if (event.sender != ME?.userId)
+                            MaterialTheme.colorScheme.surfaceContainer
+                        else
+                            MaterialTheme.colorScheme.primaryContainer
+                    )
+                    .clip(RoundedCornerShape(16.dp))
+                    .padding(4.dp)
+            ) {
+                Text(event.sender, maxLines = 1, fontWeight = FontWeight.Bold)
+
+                when (val msgtype = event.content.optString("msgtype", null)) {
+                    "m.text" -> when (event.content.optString("format")) {
+                        "org.matrix.custom.html" -> {
+                            if (event.content.getString("body") == event.content.getString("formatted_body"))
+                                Text(event.content.getString("body"))
+                            HtmlRenderer(event.content.getString("formatted_body"))
+                        }
+
+                        else -> Text(event.content.getString("body"))
+                    }
+
+                    "m.image" ->
+                        MXCImage(event.content.getString("url"), Modifier.fillMaxWidth(.9f))
+
+                    null -> Text(event.content.toString(2))
+
+                    else -> Text("Unknown type: $msgtype", color = MaterialTheme.colorScheme.error)
+                }
+
+            }
+
+            else -> Text(event.type,
+                Modifier
+                    .fillMaxHeight()
+                    .padding(4.dp)
+                    .background(MaterialTheme.colorScheme.errorContainer)
+                    .padding(4.dp)
+            )
+        }
+    }
+}
+
+private fun String.sanitizeHTML(): String {
+    val matrixSafelist = Safelist()
+        .addTags(
+            "h1", "h2", "h3", "h4", "h5", "h6",
+            "b", "i", "u", "strong", "s", "del",
+            "sup", "sub", "code",
+            "table", "thead", "tbody",
+            "tr", "th", "td", "ul", "ol", "li",
+            "blockquote", "details", "summary",
+            "em", "code", "div", "pre", "span", "img"
+        )
+//        .addAttributes("span",
+//            "data-mx-bg-color", "data-mx-color",
+//            "data-mx-spoiler", "data-mx-maths"
+//        )
+        .addAttributes("a",
+            "target", "href"
+        )
+        .addAttributes("img",
+            "width", "height", "alt", "title", "src"
+        )
+        .addAttributes("ol", "start")
+        .addAttributes("code", "class")
+        .addAttributes("div", "data-mx-maths")
+
+    val doc = Jsoup.parse(this)
+    doc.select("mx-reply").remove()
+
+    val out = Jsoup.clean(doc.body().toString(), matrixSafelist)
+    return out
+}
+
+
+@Composable
+fun HtmlRenderer(
+    htmlContent: String,
+    modifier: Modifier = Modifier
+) {
+    val context = LocalContext.current
+    val webView = remember { WebView(context).apply {
+        settings.apply {
+            javaScriptEnabled = false
+            loadWithOverviewMode = true
+            useWideViewPort = true
+        }
+        isVerticalScrollBarEnabled = false
+        setBackgroundColor(Color.Transparent.toArgb())
+    } }
+
+    val css = """
+        body {
+            font-family: -apple-system, sans-serif;
+            font-size: 16px;
+            line-height: 1.6;
+            color: ${colorToCss(MaterialTheme.colorScheme.onBackground)};
+            margin: 0;
+            padding: 0;
+        }
+        h1, h2, h3, h4, h5, h6 {
+            font-weight: bold;
+            padding: 0;
+        }
+        h1 { font-size: 24px; }
+        h2 { font-size: 22px; }
+        h3 { font-size: 20px; }
+        h4 { font-size: 18px; }
+        h5 { font-size: 16px; }
+        h6 { font-size: 14px; }
+        a {
+            color: ${colorToCss(MaterialTheme.colorScheme.primary)};
+            text-decoration: none;
+        }
+        img {
+            max-width: 100%;
+            height: auto;
+            display: block;
+            margin: 12px 0;
+        }
+        table {
+            width: 100%;
+            border-collapse: collapse;
+            margin: 16px 0;
+        }
+        th, td {
+            border: 1px solid ${colorToCss(MaterialTheme.colorScheme.outline)};
+            padding: 12px;
+            text-align: left;
+        }
+        th {
+            background-color: ${colorToCss(MaterialTheme.colorScheme.surfaceVariant)};
+            font-weight: bold;
+        }
+        blockquote {
+            border-left: 4px solid ${colorToCss(MaterialTheme.colorScheme.primary)};
+            padding-left: 16px;
+            margin-left: 0;
+            color: ${colorToCss(MaterialTheme.colorScheme.onSurfaceVariant)};
+        }
+        pre {
+            background-color: ${colorToCss(MaterialTheme.colorScheme.surfaceVariant)};
+            padding: 16px;
+            overflow: auto;
+            border-radius: 4px;
+        }
+        code {
+            font-family: monospace;
+            background-color: ${colorToCss(MaterialTheme.colorScheme.surfaceVariant)};
+            padding: 2px 4px;
+            border-radius: 4px;
+        }
+        hr {
+            border: 0;
+            height: 1px;
+            background-color: ${colorToCss(MaterialTheme.colorScheme.outline)};
+            margin: 24px 0;
+        }
+        ul, ol {
+            padding-left: 24px;
+            margin: 12px 0;
+        }
+        li {
+            margin-bottom: 8px;
+        }
+        details {
+            margin: 12px 0;
+        }
+        summary {
+            font-weight: bold;
+            cursor: pointer;
+        }
+        @media (prefers-color-scheme: dark) {
+            :root {
+                --border-color: ${colorToCss(MaterialTheme.colorScheme.outline)};
+            }
+        }
+    """.trimIndent()
+
+    LaunchedEffect(htmlContent) {
+        webView.loadDataWithBaseURL(
+            null,
+            wrapHtml(htmlContent, css),
+            "text/html",
+            "UTF-8",
+            null
+        )
+    }
+
+    DisposableEffect(webView) {
+        onDispose {
+            webView.destroy()
+        }
+    }
+
+    AndroidView(
+        factory = { webView },
+        modifier = modifier,
+        update = { view ->
+            view.webViewClient = SafeWebViewClient(context)
+        }
+    )
+}
+
+private class SafeWebViewClient(
+    private val context: Context
+) : WebViewClient() {
+    override fun shouldOverrideUrlLoading(
+        view: WebView,
+        request: WebResourceRequest
+    ): Boolean {
+        val url = request.url.toString()
+        try {
+            // Открываем ссылки во внешнем браузере
+            context.startActivity(
+                Intent(Intent.ACTION_VIEW, Uri.parse(url))
+            )
+            return true
+        } catch (e: Exception) {
+            // Обработка ошибок открытия ссылки
+            return false
+        }
+    }
+}
+
+private fun wrapHtml(content: String, css: String): String {
+    return """
+    <!DOCTYPE html>
+    <html>
+    <head>
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <style>
+            $css
+        </style>
+    </head>
+    <body>
+        ${content.sanitizeHTML()}
+    </body>
+    </html>
+    """.trimIndent()
+}
+
+private fun colorToCss(color: Color): String {
+    val argb = color.toArgb()
+    return String.format("#%06X", 0xFFFFFF and argb)
+}

app/src/main/java/ru/risdeveau/pixeldragon/ui/layout/Rooms.kt

@@ -0,0 +1,118 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.ui.layout
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+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.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import ru.risdeveau.pixeldragon.repo.Room
+import ru.risdeveau.pixeldragon.ui.item.MXCImage
+
+@Composable
+fun RoomList(modifier: Modifier = Modifier, navController: NavController) {
+    var list by remember { mutableStateOf(listOf<Room>()) }
+    val listState = rememberLazyListState()
+
+//    if (itemState.scrollToTop) {
+//        LaunchedEffect(coroutineScope) {
+//            Log.e("TAG", "TopCoinsScreen: scrollToTop" )
+//            listState.scrollToItem(0)
+//        }
+//    }
+
+//    LaunchedEffect(Unit) {
+//        list = withContext(Dispatchers.IO) { Room.getJoined() }
+//    }
+
+    LazyColumn(modifier = modifier, state = listState) {
+        items(list) { room ->
+            RoomItem(room = room, navController = navController )
+        }
+
+        item {
+            if (list.isEmpty()) {
+                Text("You have no rooms")
+            }
+        }
+    }
+}
+
+@Composable
+fun RoomItem(modifier: Modifier = Modifier, room: Room, navController: NavController) {
+    val avatarUrl = room.avatarUrl ?: (room.direct?.avatarUrl ?: "")
+    val name = room.name ?: (room.direct?.name ?: "Unnamed")
+
+    Row(
+        modifier
+            .padding(8.dp)
+            .height((52 + 8 * 2).dp)
+            .fillMaxWidth()
+            .background(
+                color =
+                    if (room.type == "m.space")
+                        MaterialTheme.colorScheme.tertiary
+                    else
+                        MaterialTheme.colorScheme.background
+            )
+            .clip(RoundedCornerShape(12.dp))
+            .clickable {
+                if (room.type == "m.space")
+                    navController.navigate("space/${room.id}")
+                else
+                    navController.navigate("room/${room.id}")
+            }
+            .padding(8.dp)
+    ) {
+        MXCImage(
+            avatarUrl,
+            modifier = Modifier
+                .padding(end = 4.dp)
+                .height(52.dp)
+                .width(52.dp)
+                .let {
+                    if (room.type == "m.space")
+                        it.clip(RoundedCornerShape(12.dp))
+                    else
+                        it.clip(CircleShape)
+                },
+            ContentScale.Crop
+        )
+        Column {
+            Text(room.type)
+            Text(
+                name,
+                maxLines = 1,
+                color = MaterialTheme.colorScheme.primary,
+                fontSize = MaterialTheme.typography.titleLarge.fontSize
+            )
+        }
+    }
+}

build.gradle.kts

@@ -1,7 +1,7 @@
 /*
- * Created by sweetbread on 21.02.2025, 12:00
+ * Created by sweetbread on 22.02.2025, 15:45
  * Copyright (c) 2025. All rights reserved.
- * Last modified 21.02.2025, 12:00
+ * Last modified 21.02.2025, 12:21
  */
 
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
@@ -9,4 +9,5 @@ plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.kotlin.android) apply false
     alias(libs.plugins.kotlin.compose) apply false
+    id("com.google.devtools.ksp") version "2.0.21-1.0.27" apply false
 }

gradle/libs.versions.toml

@@ -1,21 +1,35 @@
 [versions]
-agp = "8.7.3"
+agp = "8.13.0"
 coil = "3.1.0"
-kotlin = "2.0.0"
+jsoup = "1.20.1"
+kotlin = "2.0.21"
 coreKtx = "1.15.0"
 junit = "4.13.2"
 junitVersion = "1.2.1"
 espressoCore = "3.6.1"
+kotlinxSerializationJson = "1.7.3"
 ktor = "3.1.0"
 lifecycleRuntimeKtx = "2.8.7"
 activityCompose = "1.10.0"
 composeBom = "2025.02.00"
+navigationCompose = "2.8.8"
+room = "2.6.1"
 splittiesFunPackAndroidBase = "3.0.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+androidx-lifecycle-viewmodel-ktx = { module = "androidx.lifecycle:lifecycle-viewmodel-ktx", version.ref = "room" }
+androidx-navigation-compose = { module = "androidx.navigation:navigation-compose", version.ref = "navigationCompose" }
+androidx-navigation-dynamic-features-fragment = { module = "androidx.navigation:navigation-dynamic-features-fragment", version.ref = "navigationCompose" }
+androidx-navigation-fragment = { module = "androidx.navigation:navigation-fragment", version.ref = "navigationCompose" }
+androidx-navigation-testing = { module = "androidx.navigation:navigation-testing", version.ref = "navigationCompose" }
+androidx-navigation-ui = { module = "androidx.navigation:navigation-ui", version.ref = "navigationCompose" }
+androidx-room-compiler = { module = "androidx.room:room-compiler", version.ref = "room" }
+androidx-room-ktx = { module = "androidx.room:room-ktx", version.ref = "room" }
+androidx-room-runtime = { module = "androidx.room:room-runtime", version.ref = "room" }
 coil-compose = { module = "io.coil-kt.coil3:coil-compose", version.ref = "coil" }
 coil-network-okhttp = { module = "io.coil-kt.coil3:coil-network-okhttp", version.ref = "coil" }
+jsoup = { module = "org.jsoup:jsoup", version.ref = "jsoup" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
@@ -29,8 +43,10 @@ androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-toolin
 androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
 androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
 androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
-ktor-client-cio = { module = "io.ktor:ktor-client-cio", version.ref = "ktor" }
+kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinxSerializationJson" }
+ktor-client-okhttp = { module = "io.ktor:ktor-client-okhttp", version.ref = "ktor" }
 ktor-client-core = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
+ktor-client-logging = { module = "io.ktor:ktor-client-logging", version.ref = "ktor" }
 splitties-base = { module = "com.louiscad.splitties:splitties-fun-pack-android-base", version.ref = "splittiesFunPackAndroidBase" }
 
 [plugins]

gradle/wrapper/gradle-wrapper.properties

@@ -1,12 +1,11 @@
 #
-# Created by sweetbread on 21.02.2025, 12:00
+# Created by sweetbread
 # Copyright (c) 2025. All rights reserved.
-# Last modified 21.02.2025, 12:00
 #
 
 #Thu Feb 20 10:45:47 GMT 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists