Merge pull request #3025 from nextcloud/issue_2931

🔣 Translate chat message

app/src/main/AndroidManifest.xml

@@ -189,6 +189,10 @@
             android:name=".location.GeocodingActivity"
             android:theme="@style/AppTheme" />
 
+        <activity
+            android:name=".translate.TranslateActivity"
+            android:theme="@style/AppTheme" />
+
         <activity
             android:name=".profile.ProfileActivity"
             android:theme="@style/AppTheme" />

app/src/main/java/com/nextcloud/talk/api/NcApi.java

@@ -44,6 +44,7 @@ import com.nextcloud.talk.models.json.search.ContactsByNumberOverall;
 import com.nextcloud.talk.models.json.signaling.SignalingOverall;
 import com.nextcloud.talk.models.json.signaling.settings.SignalingSettingsOverall;
 import com.nextcloud.talk.models.json.status.StatusOverall;
+import com.nextcloud.talk.models.json.translations.TranslationsOverall;
 import com.nextcloud.talk.models.json.unifiedsearch.UnifiedSearchOverall;
 import com.nextcloud.talk.models.json.userprofile.UserProfileFieldsOverall;
 import com.nextcloud.talk.models.json.userprofile.UserProfileOverall;
@@ -654,4 +655,12 @@ public interface NcApi {
 
     @DELETE
     Observable<GenericOverall> sendCommonDeleteRequest(@Header("Authorization") String authorization, @Url String url);
+
+
+    @POST
+    Observable<TranslationsOverall> translateMessage(@Header("Authorization") String authorization,
+                                                     @Url String url,
+                                                     @Query("text") String text,
+                                                     @Query("toLanguage") String toLanguage,
+                                                     @Nullable @Query("fromLanguage") String fromLanguage);
 }

app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt

@@ -150,6 +150,7 @@ import com.nextcloud.talk.remotefilebrowser.activities.RemoteFileBrowserActivity
 import com.nextcloud.talk.repositories.reactions.ReactionsRepository
 import com.nextcloud.talk.shareditems.activities.SharedItemsActivity
 import com.nextcloud.talk.signaling.SignalingMessageReceiver
+import com.nextcloud.talk.translate.TranslateActivity
 import com.nextcloud.talk.ui.bottom.sheet.ProfileBottomSheet
 import com.nextcloud.talk.ui.dialog.AttachmentDialog
 import com.nextcloud.talk.ui.dialog.MessageActionsDialog
@@ -3231,6 +3232,15 @@ class ChatActivity :
         clipboardManager.setPrimaryClip(clipData)
     }
 
+    fun translateMessage(message: IMessage?) {
+        val bundle = Bundle()
+        bundle.putString(BundleKeys.KEY_TRANSLATE_MESSAGE, message?.text)
+
+        val intent = Intent(this, TranslateActivity::class.java)
+        intent.putExtras(bundle)
+        startActivity(intent)
+    }
+
     private fun hasVisibleItems(message: ChatMessage): Boolean {
         return !message.isDeleted || // copy message
             message.replyable || // reply to

app/src/main/java/com/nextcloud/talk/models/json/translations/TranslateData.kt

@@ -0,0 +1,37 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Julius Linus
+ * Copyright (C) 2023 Julius Linus <julius.linus@nextcloud.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.models.json.translations
+
+import android.os.Parcelable
+import com.bluelinelabs.logansquare.annotation.JsonField
+import com.bluelinelabs.logansquare.annotation.JsonObject
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+@JsonObject
+data class TranslateData(
+    @JsonField(name = ["text"])
+    var text: String?,
+    @JsonField(name = ["from"])
+    var fromLanguage: String?
+) : Parcelable {
+    // This constructor is added to work with the 'com.bluelinelabs.logansquare.annotation.JsonObject'
+    constructor() : this(null, null)
+}

app/src/main/java/com/nextcloud/talk/models/json/translations/TranslateOCS.kt

@@ -0,0 +1,38 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Julius Linus
+ * Copyright (C) 2023 Julius Linus <julius.linus@nextcloud.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.models.json.translations
+
+import android.os.Parcelable
+import com.bluelinelabs.logansquare.annotation.JsonField
+import com.bluelinelabs.logansquare.annotation.JsonObject
+import com.nextcloud.talk.models.json.generic.GenericMeta
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+@JsonObject
+data class TranslateOCS( // TODO finish this model
+    @JsonField(name = ["meta"])
+    var meta: GenericMeta?,
+    @JsonField(name = ["data"])
+    var data: TranslateData?
+) : Parcelable {
+    // This constructor is added to work with the 'com.bluelinelabs.logansquare.annotation.JsonObject'
+    constructor() : this(null, TranslateData())
+}

app/src/main/java/com/nextcloud/talk/models/json/translations/TranslationsOverall.kt

@@ -0,0 +1,35 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Julius Linus
+ * Copyright (C) 2023 Julius Linus <julius.linus@nextcloud.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.models.json.translations
+
+import android.os.Parcelable
+import com.bluelinelabs.logansquare.annotation.JsonField
+import com.bluelinelabs.logansquare.annotation.JsonObject
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+@JsonObject
+class TranslationsOverall(
+    @JsonField(name = ["ocs"])
+    var ocs: TranslateOCS?
+) : Parcelable {
+    // This constructor is added to work with the 'com.bluelinelabs.logansquare.annotation.JsonObject'
+    constructor() : this(null)
+}

app/src/main/java/com/nextcloud/talk/translate/TranslateActivity.kt

@@ -0,0 +1,279 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Julius Linus
+ * @author Andy Scherzinger
+ * Copyright (C) 2023 Julius Linus <julius.linus@nextcloud.com>
+ * Copyright (C) 2023 Andy Scherzinger <info@andy-scherzinger.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.translate
+
+import android.graphics.drawable.ColorDrawable
+import android.os.Bundle
+import android.text.method.ScrollingMovementMethod
+import android.util.Log
+import android.view.View
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import androidx.appcompat.app.AlertDialog
+import autodagger.AutoInjector
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.nextcloud.talk.R
+import com.nextcloud.talk.activities.BaseActivity
+import com.nextcloud.talk.api.NcApi
+import com.nextcloud.talk.application.NextcloudTalkApplication
+import com.nextcloud.talk.data.user.model.User
+import com.nextcloud.talk.databinding.ActivityTranslateBinding
+import com.nextcloud.talk.models.json.translations.TranslationsOverall
+import com.nextcloud.talk.users.UserManager
+import com.nextcloud.talk.utils.ApiUtils
+import com.nextcloud.talk.utils.bundle.BundleKeys
+import com.nextcloud.talk.utils.database.user.CapabilitiesUtilNew
+import io.reactivex.Observer
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.disposables.Disposable
+import io.reactivex.schedulers.Schedulers
+import org.json.JSONArray
+import java.util.Locale
+import javax.inject.Inject
+
+@AutoInjector(NextcloudTalkApplication::class)
+class TranslateActivity : BaseActivity() {
+    private lateinit var binding: ActivityTranslateBinding
+
+    @Inject
+    lateinit var ncApi: NcApi
+
+    @Inject
+    lateinit var userManager: UserManager
+
+    var fromLanguages = arrayOf<String>()
+
+    var toLanguages = arrayOf<String>()
+
+    var text: String? = null
+
+    var check: Int = 0
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        NextcloudTalkApplication.sharedApplication!!.componentApplication.inject(this)
+        binding = ActivityTranslateBinding.inflate(layoutInflater)
+
+        setupActionBar()
+        setContentView(binding.root)
+        setupSystemColors()
+        setupTextViews()
+        setupSpinners()
+        getLanguageOptions()
+        translate(null, Locale.getDefault().language)
+    }
+
+    private fun setupActionBar() {
+        setSupportActionBar(binding.translationToolbar)
+        binding.translationToolbar.setNavigationOnClickListener {
+            onBackPressed()
+        }
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        supportActionBar?.setDisplayShowHomeEnabled(true)
+        supportActionBar?.setIcon(ColorDrawable(resources!!.getColor(R.color.transparent)))
+        supportActionBar?.title = resources!!.getString(R.string.translation)
+        viewThemeUtils.material.themeToolbar(binding.translationToolbar)
+    }
+
+    private fun setupTextViews() {
+        val original = binding.originalMessageTextview
+        val translation = binding.translatedMessageTextview
+
+        viewThemeUtils.talk.themeIncomingMessageBubble(original, grouped = true, deleted = false)
+        viewThemeUtils.talk.themeIncomingMessageBubble(translation, grouped = true, deleted = false)
+
+        original.movementMethod = ScrollingMovementMethod()
+        translation.movementMethod = ScrollingMovementMethod()
+
+        val bundle = intent.extras
+        binding.originalMessageTextview.text = bundle?.getString(BundleKeys.KEY_TRANSLATE_MESSAGE)
+        text = bundle?.getString(BundleKeys.KEY_TRANSLATE_MESSAGE)
+    }
+
+    private fun getLanguageOptions() {
+        val currentUser: User = userManager.currentUser.blockingGet()
+        val json = JSONArray(CapabilitiesUtilNew.getLanguages(currentUser).toString())
+
+        val fromLanguagesSet = mutableSetOf(resources.getString(R.string.translation_detect_language))
+        val toLanguagesSet = mutableSetOf(resources.getString(R.string.translation_device_settings))
+
+        for (i in 0 until json.length()) {
+            val current = json.getJSONObject(i)
+            if (current.getString(FROM_ID) != Locale.getDefault().language) {
+                toLanguagesSet.add(current.getString(FROM_LABEL))
+            }
+
+            fromLanguagesSet.add(current.getString(TO_LABEL))
+        }
+
+        fromLanguages = fromLanguagesSet.toTypedArray()
+        toLanguages = toLanguagesSet.toTypedArray()
+
+        fillSpinners()
+    }
+
+    private fun enableSpinners(value: Boolean) {
+        binding.fromLanguageInputLayout.isEnabled = value
+        binding.toLanguageInputLayout.isEnabled = value
+    }
+
+    private fun translate(fromLanguage: String?, toLanguage: String) {
+        val currentUser: User = userManager.currentUser.blockingGet()
+        val credentials: String = ApiUtils.getCredentials(currentUser.username, currentUser.token)
+        val translateURL = ApiUtils.getUrlForTranslation(currentUser.baseUrl)
+        val calculatedFromLanguage = if (fromLanguage == null || fromLanguage == "") {
+            null
+        } else {
+            fromLanguage
+        }
+
+        Log.i(TAG, "Url is: $translateURL")
+        ncApi.translateMessage(credentials, translateURL, text, toLanguage, calculatedFromLanguage)
+            ?.subscribeOn(Schedulers.io())
+            ?.observeOn(AndroidSchedulers.mainThread())
+            ?.subscribe(object : Observer<TranslationsOverall> {
+                override fun onSubscribe(d: Disposable) {
+                    enableSpinners(false)
+                    binding.translatedMessageTextview.visibility = View.GONE
+                    binding.progressBar.visibility = View.VISIBLE
+                }
+
+                override fun onNext(translationOverall: TranslationsOverall) {
+                    binding.progressBar.visibility = View.GONE
+                    binding.translatedMessageTextview.visibility = View.VISIBLE
+                    binding.translatedMessageTextview.text = translationOverall.ocs?.data?.text
+                }
+
+                override fun onError(e: Throwable) {
+                    Log.w(TAG, "Error while translating message", e)
+                    binding.progressBar.visibility = View.GONE
+                    val dialogBuilder = MaterialAlertDialogBuilder(this@TranslateActivity)
+                        .setIcon(
+                            viewThemeUtils.dialog.colorMaterialAlertDialogIcon(
+                                context,
+                                R.drawable.ic_warning_white
+                            )
+                        )
+                        .setTitle(R.string.translation_error_title)
+                        .setMessage(R.string.translation_error_message)
+                        .setPositiveButton(R.string.nc_ok) { dialog, _ ->
+                            dialog.dismiss()
+                        }
+
+                    viewThemeUtils.dialog.colorMaterialAlertDialogBackground(context, dialogBuilder)
+
+                    val dialog = dialogBuilder.show()
+
+                    viewThemeUtils.platform.colorTextButtons(
+                        dialog.getButton(AlertDialog.BUTTON_POSITIVE)
+                    )
+                }
+
+                override fun onComplete() {
+                    // nothing?
+                }
+            })
+
+        enableSpinners(true)
+    }
+
+    private fun getISOFromLanguage(language: String): String {
+        if (resources.getString(R.string.translation_device_settings).equals(language)) {
+            return Locale.getDefault().language
+        }
+
+        return getISOFromServer(language)
+    }
+
+    private fun getISOFromServer(language: String): String {
+        val currentUser: User = userManager.currentUser.blockingGet()
+        val json = JSONArray(CapabilitiesUtilNew.getLanguages(currentUser).toString())
+
+        for (i in 0..json.length() - 1) {
+            val current = json.getJSONObject(i)
+            if (current.getString(FROM_LABEL) == language) {
+                return current.getString(FROM_ID)
+            }
+        }
+
+        return ""
+    }
+
+    private fun setupSpinners() {
+        viewThemeUtils.material.colorTextInputLayout(binding.fromLanguageInputLayout)
+        viewThemeUtils.material.colorTextInputLayout(binding.toLanguageInputLayout)
+        fillSpinners()
+
+        binding.fromLanguage.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+            override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
+                if (++check > 1) {
+                    val fromLabel: String = getISOFromLanguage(parent.getItemAtPosition(position).toString())
+                    val toLabel: String = getISOFromLanguage(binding.fromLanguage.text.toString())
+                    Log.i(TAG, "fromLanguageSpinner :: $FROM_LABEL = $fromLabel, $TO_LABEL = $ count: $check")
+                    translate(fromLabel, toLabel)
+                }
+            }
+
+            override fun onNothingSelected(parent: AdapterView<*>) {
+                // write code to perform some action
+            }
+        }
+
+        binding.toLanguage.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+            override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
+                if (++check > 2) {
+                    val toLabel: String = getISOFromLanguage(parent.getItemAtPosition(position).toString())
+                    val fromLabel: String = getISOFromLanguage(binding.fromLanguage.text.toString())
+                    Log.i(TAG, "toLanguageSpinner :: $FROM_LABEL = $fromLabel, $TO_LABEL = $toLabel count: $check")
+                    translate(fromLabel, toLabel)
+                }
+            }
+
+            override fun onNothingSelected(parent: AdapterView<*>) {
+                // write code to perform some action
+            }
+        }
+    }
+
+    private fun fillSpinners() {
+        binding.fromLanguage.setAdapter(
+            ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, fromLanguages)
+        )
+        if (fromLanguages.isNotEmpty()) {
+            binding.fromLanguage.setText(fromLanguages[0])
+        }
+
+        binding.toLanguage.setAdapter(
+            ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, toLanguages)
+        )
+        if (toLanguages.isNotEmpty()) {
+            binding.toLanguage.setText(toLanguages[0])
+        }
+    }
+
+    companion object {
+        private val TAG = TranslateActivity::class.simpleName
+        private const val FROM_ID = "from"
+        private const val FROM_LABEL = "fromLabel"
+        private const val TO_LABEL = "toLabel"
+    }
+}

app/src/main/java/com/nextcloud/talk/ui/dialog/MessageActionsDialog.kt

@@ -55,6 +55,7 @@ import io.reactivex.Observer
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.Disposable
 import io.reactivex.schedulers.Schedulers
+import org.json.JSONArray
 import javax.inject.Inject
 
 @AutoInjector(NextcloudTalkApplication::class)
@@ -88,6 +89,12 @@ class MessageActionsDialog(
         viewThemeUtils.platform.themeDialog(dialogMessageActionsBinding.root)
         initEmojiBar(hasChatPermission)
         initMenuItemCopy(!message.isDeleted)
+        initMenuItemTranslate(
+            !message.isDeleted &&
+                ChatMessage.MessageType.REGULAR_TEXT_MESSAGE == message.getCalculateMessageType() &&
+                CapabilitiesUtilNew.isTranslationsSupported(user) &&
+                JSONArray(CapabilitiesUtilNew.getLanguages(user).toString()).length() > 0
+        )
         initMenuReplyToMessage(message.replyable && hasChatPermission)
         initMenuReplyPrivately(
             message.replyable &&
@@ -296,6 +303,17 @@ class MessageActionsDialog(
         dialogMessageActionsBinding.menuCopyMessage.visibility = getVisibility(visible)
     }
 
+    private fun initMenuItemTranslate(visible: Boolean) {
+        if (visible) {
+            dialogMessageActionsBinding.menuTranslateMessage.setOnClickListener {
+                chatActivity.translateMessage(message)
+                dismiss()
+            }
+        }
+
+        dialogMessageActionsBinding.menuTranslateMessage.visibility = getVisibility(visible)
+    }
+
     private fun getVisibility(visible: Boolean): Int {
         return if (visible) {
             View.VISIBLE

app/src/main/java/com/nextcloud/talk/ui/theme/TalkSpecificViewThemeUtils.kt

@@ -28,7 +28,6 @@ import android.graphics.drawable.Drawable
 import android.graphics.drawable.LayerDrawable
 import android.os.Build
 import android.view.View
-import android.view.ViewGroup
 import android.widget.LinearLayout
 import android.widget.TextView
 import androidx.annotation.ColorInt
@@ -65,7 +64,7 @@ class TalkSpecificViewThemeUtils @Inject constructor(
     private val appcompat: AndroidXViewThemeUtils
 ) :
     ViewThemeUtilsBase(schemes) {
-    fun themeIncomingMessageBubble(bubble: ViewGroup, grouped: Boolean, deleted: Boolean) {
+    fun themeIncomingMessageBubble(bubble: View, grouped: Boolean, deleted: Boolean) {
         val resources = bubble.resources
 
         var bubbleResource = R.drawable.shape_incoming_message
@@ -88,7 +87,7 @@ class TalkSpecificViewThemeUtils @Inject constructor(
         ViewCompat.setBackground(bubble, bubbleDrawable)
     }
 
-    fun themeOutgoingMessageBubble(bubble: ViewGroup, grouped: Boolean, deleted: Boolean) {
+    fun themeOutgoingMessageBubble(bubble: View, grouped: Boolean, deleted: Boolean) {
         withScheme(bubble) { scheme ->
             val bgBubbleColor = if (deleted) {
                 ColorUtils.setAlphaComponent(scheme.surfaceVariant, HALF_ALPHA_INT)

app/src/main/java/com/nextcloud/talk/utils/ApiUtils.java

@@ -526,4 +526,8 @@ public class ApiUtils {
     public static String getUrlForConversationDescription(int version, String baseUrl, String token) {
         return getUrlForRoom(version, baseUrl, token) + "/description";
     }
+
+    public static String getUrlForTranslation(String baseUrl) {
+        return baseUrl + ocsApiVersion + "/translation/translate";
+    }
 }

app/src/main/java/com/nextcloud/talk/utils/bundle/BundleKeys.kt

@@ -29,6 +29,7 @@ object BundleKeys {
     const val KEY_SELECTED_EMAILS = "KEY_SELECTED_EMAILS"
     const val KEY_USERNAME = "KEY_USERNAME"
     const val KEY_TOKEN = "KEY_TOKEN"
+    const val KEY_TRANSLATE_MESSAGE = "KEY_TRANSLATE_MESSAGE"
     const val KEY_BASE_URL = "KEY_BASE_URL"
     const val KEY_IS_ACCOUNT_IMPORT = "KEY_IS_ACCOUNT_IMPORT"
     const val KEY_ORIGINAL_PROTOCOL = "KEY_ORIGINAL_PROTOCOL"

app/src/main/java/com/nextcloud/talk/utils/database/user/CapabilitiesUtilNew.kt

@@ -199,5 +199,24 @@ object CapabilitiesUtilNew {
         return false
     }
 
+    fun isTranslationsSupported(user: User?): Boolean {
+        if (user?.capabilities != null) {
+            val capabilities = user.capabilities
+            return capabilities?.spreedCapability?.config?.containsKey("chat") == true &&
+                capabilities.spreedCapability!!.config!!["chat"] != null &&
+                capabilities.spreedCapability!!.config!!["chat"]!!.containsKey("translations")
+        }
+
+        return false
+    }
+
+    fun getLanguages(user: User?): Any? {
+        return if (isTranslationsSupported(user)) {
+            user!!.capabilities!!.spreedCapability!!.config!!["chat"]!!["translations"]
+        } else {
+            null
+        }
+    }
+
     const val DEFAULT_CHAT_SIZE = 1000
 }

app/src/main/res/drawable-night/ic_chevron_right.xml

@@ -0,0 +1,25 @@
+<!--
+    @author Google LLC
+    Copyright (C) 2023 Google LLC
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <path
+      android:fillColor="#61FFFFFF"
+      android:pathData="M376,720L320,664L504,480L320,296L376,240L616,480L376,720Z"/>
+</vector>

app/src/main/res/drawable/ic_baseline_translate_24.xml

@@ -0,0 +1,26 @@
+<!--
+    @author Google LLC
+    Copyright (C) 2023 Google LLC
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12.87,15.07l-2.54,-2.51 0.03,-0.03c1.74,-1.94 2.98,-4.17 3.71,-6.53L17,6L17,4h-7L10,2L8,2v2L1,4v1.99h11.17C11.5,7.92 10.44,9.75 9,11.35 8.07,10.32 7.3,9.19 6.69,8h-2c0.73,1.63 1.73,3.17 2.98,4.56l-5.09,5.02L4,19l5,-5 3.11,3.11 0.76,-2.04zM18.5,10h-2L12,22h2l1.12,-3h4.75L21,22h2l-4.5,-12zM15.88,17l1.62,-4.33L19.12,17h-3.24z" />
+</vector>

app/src/main/res/drawable/ic_chevron_right.xml

@@ -0,0 +1,25 @@
+<!--
+    @author Google LLC
+    Copyright (C) 2023 Google LLC
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <path
+      android:fillColor="#61000000"
+      android:pathData="M376,720L320,664L504,480L320,296L376,240L616,480L376,720Z"/>
+</vector>

app/src/main/res/layout-land/activity_translate.xml

@@ -0,0 +1,145 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud Talk application
+  ~
+  ~ @author Julius Linus
+  ~ Copyright (C) 2023 Julius Linus <julius.linus@nextcloud.com>
+  ~
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:weightSum="2">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/translation_appbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <com.google.android.material.appbar.MaterialToolbar
+            android:id="@+id/translation_toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="@color/appbar"
+            android:theme="?attr/actionBarPopupTheme"
+            app:layout_scrollFlags="scroll|enterAlways"
+            app:navigationIconTint="@color/fontAppbar"
+            app:popupTheme="@style/appActionBarPopupMenu"
+            app:titleTextColor="@color/fontAppbar"
+            tools:title="@string/translation" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:orientation="horizontal"
+        android:padding="@dimen/standard_padding">
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/fromLanguageInputLayout"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:hint="@string/translation_from">
+
+            <com.google.android.material.textfield.MaterialAutoCompleteTextView
+                android:id="@+id/fromLanguage"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:inputType="none" />
+
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <ImageView
+            android:layout_width="@dimen/standard_double_margin"
+            android:layout_height="match_parent"
+            android:contentDescription="@null"
+            android:src="@drawable/ic_chevron_right" />
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/toLanguageInputLayout"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:hint="@string/translation_to">
+
+            <com.google.android.material.textfield.MaterialAutoCompleteTextView
+                android:id="@+id/toLanguage"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:inputType="none" />
+
+        </com.google.android.material.textfield.TextInputLayout>
+
+    </LinearLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:paddingBottom="@dimen/standard_padding">
+
+            <TextView
+                android:id="@+id/original_message_textview"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="@dimen/standard_margin"
+                android:layout_marginEnd="@dimen/standard_margin"
+                android:layout_weight="1"
+                android:background="@drawable/shape_grouped_incoming_message"
+                android:padding="@dimen/dialog_padding"
+                android:scrollbars="vertical"
+                android:text=""
+                android:textColor="@color/nc_incoming_text_default"
+                android:textSize="@dimen/message_text_size" />
+
+            <TextView
+                android:id="@+id/translated_message_textview"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="@dimen/standard_margin"
+                android:layout_marginEnd="@dimen/standard_margin"
+                android:layout_weight="1"
+                android:background="@drawable/shape_grouped_incoming_message"
+                android:padding="@dimen/dialog_padding"
+                android:scrollbars="vertical"
+                android:text=""
+                android:textColor="@color/nc_incoming_text_default"
+                android:textSize="@dimen/message_text_size"
+                android:visibility="visible" />
+
+            <ProgressBar
+                android:id="@+id/progressBar"
+                style="?android:attr/progressBarStyle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:visibility="gone" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+</LinearLayout>

app/src/main/res/layout/activity_translate.xml

@@ -0,0 +1,148 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud Talk application
+  ~
+  ~ @author Julius Linus
+  ~ Copyright (C) 2023 Julius Linus <julius.linus@nextcloud.com>
+  ~
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:weightSum="2">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/translation_appbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <com.google.android.material.appbar.MaterialToolbar
+            android:id="@+id/translation_toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="@color/appbar"
+            android:theme="?attr/actionBarPopupTheme"
+            app:layout_scrollFlags="scroll|enterAlways"
+            app:navigationIconTint="@color/fontAppbar"
+            app:popupTheme="@style/appActionBarPopupMenu"
+            app:titleTextColor="@color/fontAppbar"
+            tools:title="@string/translation" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:orientation="vertical"
+        android:padding="@dimen/standard_padding">
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/fromLanguageInputLayout"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:hint="@string/translation_from">
+
+            <com.google.android.material.textfield.MaterialAutoCompleteTextView
+                android:id="@+id/fromLanguage"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:ellipsize="middle"
+                android:inputType="none"
+                android:lines="1"
+                android:popupTheme="@style/ThemeOverlay.AppTheme.PopupMenu" />
+
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/toLanguageInputLayout"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+            android:paddingTop="@dimen/standard_padding"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:hint="@string/translation_to">
+
+            <com.google.android.material.textfield.MaterialAutoCompleteTextView
+                android:id="@+id/toLanguage"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:ellipsize="middle"
+                android:inputType="none"
+                android:lines="1"
+                android:popupTheme="@style/ThemeOverlay.AppTheme.PopupMenu" />
+
+        </com.google.android.material.textfield.TextInputLayout>
+
+    </LinearLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="@dimen/standard_quarter_margin">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/original_message_textview"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="@dimen/standard_margin"
+                android:layout_marginEnd="@dimen/standard_margin"
+                android:layout_marginBottom="@dimen/standard_margin"
+                android:layout_weight="1"
+                android:background="@drawable/shape_grouped_incoming_message"
+                android:padding="@dimen/dialog_padding"
+                android:scrollbars="vertical"
+                android:text=""
+                android:textColor="@color/nc_incoming_text_default"
+                android:textSize="@dimen/message_text_size" />
+
+            <TextView
+                android:id="@+id/translated_message_textview"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="@dimen/standard_margin"
+                android:layout_marginEnd="@dimen/standard_margin"
+                android:layout_marginBottom="@dimen/standard_margin"
+                android:layout_weight="1"
+                android:background="@drawable/shape_grouped_incoming_message"
+                android:padding="@dimen/dialog_padding"
+                android:scrollbars="vertical"
+                android:text=""
+                android:textColor="@color/nc_incoming_text_default"
+                android:textSize="@dimen/message_text_size"
+                android:visibility="visible" />
+
+            <ProgressBar
+                android:id="@+id/progressBar"
+                style="?android:attr/progressBarStyle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:visibility="gone" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+</LinearLayout>

app/src/main/res/layout/dialog_message_actions.xml

@@ -287,6 +287,39 @@
 
         </LinearLayout>
 
+        <LinearLayout
+            android:id="@+id/menu_translate_message"
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/bottom_sheet_item_height"
+            android:background="?android:attr/selectableItemBackground"
+            android:gravity="center_vertical"
+            android:orientation="horizontal"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:id="@+id/menu_icon_translate_message"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:contentDescription="@null"
+                android:paddingStart="@dimen/standard_padding"
+                android:paddingEnd="@dimen/zero"
+                android:src="@drawable/ic_baseline_translate_24"
+                app:tint="@color/high_emphasis_menu_icon" />
+
+            <androidx.appcompat.widget.AppCompatTextView
+                android:id="@+id/menu_text_translate_message"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="start|center_vertical"
+                android:paddingStart="@dimen/standard_double_padding"
+                android:paddingEnd="@dimen/standard_padding"
+                android:text="@string/translate"
+                android:textAlignment="viewStart"
+                android:textColor="@color/high_emphasis_text"
+                android:textSize="@dimen/bottom_sheet_text_size" />
+
+        </LinearLayout>
+
         <LinearLayout
             android:id="@+id/menu_delete_message"
             android:layout_width="match_parent"

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

@@ -656,5 +656,13 @@ How to translate with transifex:
     <string name="nc_not_allowed_to_activate_audio">You are not allowed to activate audio!</string>
     <string name="nc_not_allowed_to_activate_video">You are not allowed to activate video!</string>
     <string name="scroll_to_bottom">Scroll to bottom</string>
+    <string name="translate">Translate</string>
+    <string name="translation">Translation</string>
+    <string name="translation_from">From</string>
+    <string name="translation_to">To</string>
+    <string name="translation_detect_language">Detect language</string>
+    <string name="translation_device_settings">Device settings</string>
+    <string name="translation_error_title">Translation failed</string>
+    <string name="translation_error_message">Could not detect language</string>
 
 </resources>