First draft of participants management

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/adapters/items/UserItem.java

@@ -60,6 +60,7 @@ public class UserItem extends AbstractFlexibleItem<UserItem.UserItemViewHolder>
     private Participant participant;
     private UserEntity userEntity;
     private GenericTextHeaderItem header;
+    public boolean isOnline = true;
 
     public UserItem(Participant participant, UserEntity userEntity, GenericTextHeaderItem genericTextHeaderItem) {
         this.participant = participant;
@@ -167,7 +168,7 @@ public class UserItem extends AbstractFlexibleItem<UserItem.UserItemViewHolder>
             holder.simpleDraweeView.getHierarchy().setImage(new BitmapDrawable(DisplayUtils.getRoundedBitmapFromVectorDrawableResource(NextcloudTalkApplication.Companion.getSharedApplication().getResources(), R.drawable.ic_people_group_white_24px)), 100, true);
         }
 
-        if (!isEnabled()) {
+        if (!isOnline) {
             holder.itemView.setAlpha(0.38f);
         } else {
             holder.itemView.setAlpha(1.0f);

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

@@ -113,6 +113,16 @@ public interface NcApi {
                                                      @QueryMap Map<String, String> options);
 
 
+    // also used for removing a guest from a conversation
+    @DELETE
+    Observable<GenericOverall> removeParticipantFromConversation(@Header("Authorization") String authorization, @Url String url, @Query("participant") String participantId);
+
+    @POST
+    Observable<GenericOverall> promoteUserToModerator(@Header("Authorization") String authorization, @Url String url, @Query("participant") String participantId);
+
+    @DELETE
+    Observable<GenericOverall> demoteModeratorToUser(@Header("Authorization") String authorization, @Url String url, @Query("participant") String participantId);
+
     /*
         Server URL is: baseUrl + ocsApiVersion + spreedApiVersion + /room/roomToken/participants/self
      */

app/src/main/java/com/nextcloud/talk/controllers/ContactsController.java

@@ -29,21 +29,18 @@ import android.os.Handler;
 import android.text.InputType;
 import android.text.TextUtils;
 import android.util.Log;
-import android.view.*;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
 import android.view.inputmethod.EditorInfo;
 import android.widget.ProgressBar;
 import android.widget.RelativeLayout;
-import androidx.annotation.NonNull;
+
-import androidx.annotation.Nullable;
+import com.afollestad.materialdialogs.LayoutMode;
-import androidx.appcompat.widget.SearchView;
+import com.afollestad.materialdialogs.MaterialDialog;
-import androidx.coordinatorlayout.widget.CoordinatorLayout;
-import androidx.core.view.MenuItemCompat;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
-import autodagger.AutoInjector;
-import butterknife.BindView;
-import butterknife.OnClick;
-import butterknife.Optional;
 import com.bluelinelabs.conductor.RouterTransaction;
 import com.bluelinelabs.conductor.changehandler.VerticalChangeHandler;
 import com.bluelinelabs.logansquare.LoganSquare;
@@ -59,13 +56,15 @@ import com.nextcloud.talk.controllers.base.BaseController;
 import com.nextcloud.talk.controllers.bottomsheet.EntryMenuController;
 import com.nextcloud.talk.controllers.bottomsheet.OperationsMenuController;
 import com.nextcloud.talk.events.BottomSheetLockEvent;
+import com.nextcloud.talk.jobs.AddParticipantsToConversation;
+import com.nextcloud.talk.jobs.DeleteConversationWorker;
 import com.nextcloud.talk.models.RetrofitBucket;
 import com.nextcloud.talk.models.database.UserEntity;
 import com.nextcloud.talk.models.json.autocomplete.AutocompleteOverall;
 import com.nextcloud.talk.models.json.autocomplete.AutocompleteUser;
-import com.nextcloud.talk.models.json.participants.Participant;
 import com.nextcloud.talk.models.json.conversations.Conversation;
 import com.nextcloud.talk.models.json.conversations.RoomOverall;
+import com.nextcloud.talk.models.json.participants.Participant;
 import com.nextcloud.talk.models.json.sharees.Sharee;
 import com.nextcloud.talk.models.json.sharees.ShareesOverall;
 import com.nextcloud.talk.utils.ApiUtils;
@@ -74,6 +73,36 @@ import com.nextcloud.talk.utils.KeyboardUtils;
 import com.nextcloud.talk.utils.bundle.BundleKeys;
 import com.nextcloud.talk.utils.database.user.UserUtils;
 import com.nextcloud.talk.utils.preferences.AppPreferences;
+
+import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
+import org.greenrobot.eventbus.ThreadMode;
+import org.parceler.Parcels;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.inject.Inject;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.widget.SearchView;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.core.view.MenuItemCompat;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+import androidx.work.Data;
+import androidx.work.OneTimeWorkRequest;
+import androidx.work.WorkManager;
+import autodagger.AutoInjector;
+import butterknife.BindView;
+import butterknife.OnClick;
+import butterknife.Optional;
 import eu.davidea.fastscroller.FastScroller;
 import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.SelectableAdapter;
@@ -85,13 +114,6 @@ import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.Disposable;
 import io.reactivex.schedulers.Schedulers;
 import okhttp3.ResponseBody;
-import org.greenrobot.eventbus.EventBus;
-import org.greenrobot.eventbus.Subscribe;
-import org.greenrobot.eventbus.ThreadMode;
-import org.parceler.Parcels;
-
-import javax.inject.Inject;
-import java.util.*;
 
 @AutoInjector(NextcloudTalkApplication.class)
 public class ContactsController extends BaseController implements SearchView.OnQueryTextListener,
@@ -162,6 +184,10 @@ public class ContactsController extends BaseController implements SearchView.OnQ
 
     private Set<String> selectedUserIds;
     private Set<String> selectedGroupIds;
+    private List<String> existingParticipants;
+    private boolean isAddingParticipantsView;
+    private String conversationToken;
+
     public ContactsController() {
         super();
         setHasOptionsMenu(true);
@@ -172,6 +198,16 @@ public class ContactsController extends BaseController implements SearchView.OnQ
         setHasOptionsMenu(true);
         if (args.containsKey(BundleKeys.INSTANCE.getKEY_NEW_CONVERSATION())) {
             isNewConversationView = true;
+            existingParticipants = new ArrayList<>();
+        } else if (args.containsKey(BundleKeys.INSTANCE.getKEY_ADD_PARTICIPANTS())) {
+            isAddingParticipantsView = true;
+            conversationToken = args.getString(BundleKeys.INSTANCE.getKEY_TOKEN());
+
+            existingParticipants = new ArrayList<>();
+
+            if (args.containsKey(BundleKeys.INSTANCE.getKEY_EXISTING_PARTICIPANTS())) {
+                existingParticipants = args.getStringArrayList(BundleKeys.INSTANCE.getKEY_EXISTING_PARTICIPANTS());
+            }
         }
 
         selectedGroupIds = new HashSet<>();
@@ -191,6 +227,12 @@ public class ContactsController extends BaseController implements SearchView.OnQ
         if (isNewConversationView) {
             toggleNewCallHeaderVisibility(!isPublicCall);
         }
+
+        if (isAddingParticipantsView) {
+            joinConversationViaLinkLayout.setVisibility(View.GONE);
+            conversationPrivacyToogleLayout.setVisibility(View.GONE);
+        }
+
     }
 
     @Override
@@ -232,111 +274,128 @@ public class ContactsController extends BaseController implements SearchView.OnQ
     }
 
     private void selectionDone() {
-        if (!isPublicCall && (selectedGroupIds.size() + selectedUserIds.size() == 1)) {
+        if (!isAddingParticipantsView) {
-            String userId;
+            if (!isPublicCall && (selectedGroupIds.size() + selectedUserIds.size() == 1)) {
-            String roomType = "1";
+                String userId;
+                String roomType = "1";
 
-            if (selectedGroupIds.size() == 1) {
+                if (selectedGroupIds.size() == 1) {
-                roomType = "2";
+                    roomType = "2";
-                userId = selectedGroupIds.iterator().next();
+                    userId = selectedGroupIds.iterator().next();
-            } else {
+                } else {
-                userId = selectedUserIds.iterator().next();
+                    userId = selectedUserIds.iterator().next();
-            }
+                }
 
-            RetrofitBucket retrofitBucket = ApiUtils.getRetrofitBucketForCreateRoom(currentUser.getBaseUrl(), roomType,
+                RetrofitBucket retrofitBucket = ApiUtils.getRetrofitBucketForCreateRoom(currentUser.getBaseUrl(), roomType,
-                    userId, null);
+                        userId, null);
-            ncApi.createRoom(credentials,
+                ncApi.createRoom(credentials,
-                    retrofitBucket.getUrl(), retrofitBucket.getQueryMap())
+                        retrofitBucket.getUrl(), retrofitBucket.getQueryMap())
-                    .subscribeOn(Schedulers.io())
+                        .subscribeOn(Schedulers.io())
-                    .observeOn(AndroidSchedulers.mainThread())
+                        .observeOn(AndroidSchedulers.mainThread())
-                    .subscribe(new Observer<RoomOverall>() {
+                        .subscribe(new Observer<RoomOverall>() {
-                        @Override
+                            @Override
-                        public void onSubscribe(Disposable d) {
+                            public void onSubscribe(Disposable d) {
 
-                        }
-
-                        @Override
-                        public void onNext(RoomOverall roomOverall) {
-                            Intent conversationIntent = new Intent(getActivity(), MagicCallActivity.class);
-                            Bundle bundle = new Bundle();
-                            bundle.putParcelable(BundleKeys.INSTANCE.getKEY_USER_ENTITY(), currentUser);
-                            bundle.putString(BundleKeys.INSTANCE.getKEY_ROOM_TOKEN(), roomOverall.getOcs().getData().getToken());
-                            bundle.putString(BundleKeys.INSTANCE.getKEY_ROOM_ID(), roomOverall.getOcs().getData().getRoomId());
-
-                            if (currentUser.hasSpreedFeatureCapability("chat-v2")) {
-                                ncApi.getRoom(credentials,
-                                        ApiUtils.getRoom(currentUser.getBaseUrl(),
-                                                roomOverall.getOcs().getData().getToken()))
-                                        .subscribeOn(Schedulers.io())
-                                        .observeOn(AndroidSchedulers.mainThread())
-                                        .subscribe(new Observer<RoomOverall>() {
-
-                                            @Override
-                                            public void onSubscribe(Disposable d) {
-
-                                            }
-
-                                            @Override
-                                            public void onNext(RoomOverall roomOverall) {
-                                                bundle.putParcelable(BundleKeys.INSTANCE.getKEY_ACTIVE_CONVERSATION(),
-                                                        Parcels.wrap(roomOverall.getOcs().getData()));
-
-                                                ConductorRemapping.INSTANCE.remapChatController(getRouter(), currentUser.getId(),
-                                                        roomOverall.getOcs().getData().getToken(), bundle, true);
-                                            }
-
-                                            @Override
-                                            public void onError(Throwable e) {
-
-                                            }
-
-                                            @Override
-                                            public void onComplete() {
-
-                                            }
-                                        });
-                            } else {
-                                conversationIntent.putExtras(bundle);
-                                startActivity(conversationIntent);
-                                new Handler().postDelayed(new Runnable() {
-                                    @Override
-                                    public void run() {
-                                        if (!isDestroyed() && !isBeingDestroyed()) {
-                                            getRouter().popCurrentController();
-                                        }
-                                    }
-                                }, 100);
                             }
-                        }
 
-                        @Override
+                            @Override
-                        public void onError(Throwable e) {
+                            public void onNext(RoomOverall roomOverall) {
+                                Intent conversationIntent = new Intent(getActivity(), MagicCallActivity.class);
+                                Bundle bundle = new Bundle();
+                                bundle.putParcelable(BundleKeys.INSTANCE.getKEY_USER_ENTITY(), currentUser);
+                                bundle.putString(BundleKeys.INSTANCE.getKEY_ROOM_TOKEN(), roomOverall.getOcs().getData().getToken());
+                                bundle.putString(BundleKeys.INSTANCE.getKEY_ROOM_ID(), roomOverall.getOcs().getData().getRoomId());
 
-                        }
+                                if (currentUser.hasSpreedFeatureCapability("chat-v2")) {
+                                    ncApi.getRoom(credentials,
+                                            ApiUtils.getRoom(currentUser.getBaseUrl(),
+                                                    roomOverall.getOcs().getData().getToken()))
+                                            .subscribeOn(Schedulers.io())
+                                            .observeOn(AndroidSchedulers.mainThread())
+                                            .subscribe(new Observer<RoomOverall>() {
 
-                        @Override
+                                                @Override
-                        public void onComplete() {
+                                                public void onSubscribe(Disposable d) {
-                        }
-                    });
-        } else {
 
-            Bundle bundle = new Bundle();
+                                                }
-            Conversation.ConversationType roomType;
+
-            if (isPublicCall) {
+                                                @Override
-                roomType = Conversation.ConversationType.ROOM_PUBLIC_CALL;
+                                                public void onNext(RoomOverall roomOverall) {
+                                                    bundle.putParcelable(BundleKeys.INSTANCE.getKEY_ACTIVE_CONVERSATION(),
+                                                            Parcels.wrap(roomOverall.getOcs().getData()));
+
+                                                    ConductorRemapping.INSTANCE.remapChatController(getRouter(), currentUser.getId(),
+                                                            roomOverall.getOcs().getData().getToken(), bundle, true);
+                                                }
+
+                                                @Override
+                                                public void onError(Throwable e) {
+
+                                                }
+
+                                                @Override
+                                                public void onComplete() {
+
+                                                }
+                                            });
+                                } else {
+                                    conversationIntent.putExtras(bundle);
+                                    startActivity(conversationIntent);
+                                    new Handler().postDelayed(new Runnable() {
+                                        @Override
+                                        public void run() {
+                                            if (!isDestroyed() && !isBeingDestroyed()) {
+                                                getRouter().popCurrentController();
+                                            }
+                                        }
+                                    }, 100);
+                                }
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+
+                            }
+
+                            @Override
+                            public void onComplete() {
+                            }
+                        });
             } else {
-                roomType = Conversation.ConversationType.ROOM_GROUP_CALL;
+
+                Bundle bundle = new Bundle();
+                Conversation.ConversationType roomType;
+                if (isPublicCall) {
+                    roomType = Conversation.ConversationType.ROOM_PUBLIC_CALL;
+                } else {
+                    roomType = Conversation.ConversationType.ROOM_GROUP_CALL;
+                }
+
+                ArrayList<String> userIdsArray = new ArrayList<>(selectedUserIds);
+                ArrayList<String> groupIdsArray = new ArrayList<>(selectedGroupIds);
+
+
+                bundle.putParcelable(BundleKeys.INSTANCE.getKEY_CONVERSATION_TYPE(), Parcels.wrap(roomType));
+                bundle.putStringArrayList(BundleKeys.INSTANCE.getKEY_INVITED_PARTICIPANTS(), userIdsArray);
+                bundle.putStringArrayList(BundleKeys.INSTANCE.getKEY_INVITED_GROUP(), groupIdsArray);
+                bundle.putInt(BundleKeys.INSTANCE.getKEY_OPERATION_CODE(), 11);
+                prepareAndShowBottomSheetWithBundle(bundle, true);
             }
+        } else {
+            String[] userIdsArray = selectedUserIds.toArray(new String[selectedUserIds.size()]);
+            String[] groupIdsArray = selectedGroupIds.toArray(new String[selectedGroupIds.size()]);
 
-            ArrayList<String> userIdsArray = new ArrayList<>(selectedUserIds);
+            Data.Builder data = new Data.Builder();
-            ArrayList<String> groupIdsArray = new ArrayList<>(selectedGroupIds);
+            data.putLong(BundleKeys.INSTANCE.getKEY_INTERNAL_USER_ID(), currentUser.getId());
+            data.putString(BundleKeys.INSTANCE.getKEY_TOKEN(), conversationToken);
+            data.putStringArray(BundleKeys.INSTANCE.getKEY_SELECTED_USERS(), userIdsArray);
+            data.putStringArray(BundleKeys.INSTANCE.getKEY_SELECTED_GROUPS(), groupIdsArray);
 
+            OneTimeWorkRequest addParticipantsToConversationWorker =
+                    new OneTimeWorkRequest.Builder(AddParticipantsToConversation.class).setInputData(data.build()).build();
+            WorkManager.getInstance().enqueue(addParticipantsToConversationWorker);
 
-            bundle.putParcelable(BundleKeys.INSTANCE.getKEY_CONVERSATION_TYPE(), Parcels.wrap(roomType));
+            getRouter().popCurrentController();
-            bundle.putStringArrayList(BundleKeys.INSTANCE.getKEY_INVITED_PARTICIPANTS(), userIdsArray);
-            bundle.putStringArrayList(BundleKeys.INSTANCE.getKEY_INVITED_GROUP(), groupIdsArray);
-            bundle.putInt(BundleKeys.INSTANCE.getKEY_OPERATION_CODE(), 11);
-            prepareAndShowBottomSheetWithBundle(bundle, true);
         }
     }
 
@@ -479,7 +538,7 @@ public class ContactsController extends BaseController implements SearchView.OnQ
                                     }
 
                                     for (Sharee sharee : shareeHashSet) {
-                                        if (!sharee.getValue().getShareWith().equals(currentUser.getUserId())) {
+                                        if (!sharee.getValue().getShareWith().equals(currentUser.getUserId()) && !existingParticipants.contains(sharee.getValue().getShareWith())) {
                                             participant = new Participant();
                                             participant.setDisplayName(sharee.getLabel());
                                             String headerTitle;
@@ -510,7 +569,7 @@ public class ContactsController extends BaseController implements SearchView.OnQ
                                     autocompleteUsersHashSet.addAll(autocompleteOverall.getOcs().getData());
 
                                     for (AutocompleteUser autocompleteUser : autocompleteUsersHashSet) {
-                                        if (!autocompleteUser.getId().equals(currentUser.getUserId())) {
+                                        if (!autocompleteUser.getId().equals(currentUser.getUserId()) && !existingParticipants.contains(autocompleteUser.getId())) {
                                             participant = new Participant();
                                             participant.setUserId(autocompleteUser.getId());
                                             participant.setDisplayName(autocompleteUser.getLabel());
@@ -764,7 +823,7 @@ public class ContactsController extends BaseController implements SearchView.OnQ
 
     @Override
     protected String getTitle() {
-        if (!isNewConversationView) {
+        if (!isNewConversationView && !isAddingParticipantsView) {
             return getResources().getString(R.string.nc_app_name);
         } else {
             return getResources().getString(R.string.nc_select_contacts);
@@ -840,7 +899,7 @@ public class ContactsController extends BaseController implements SearchView.OnQ
     @Override
     public boolean onItemClick(View view, int position) {
         if (adapter.getItem(position) instanceof UserItem) {
-            if (!isNewConversationView) {
+            if (!isNewConversationView && !isAddingParticipantsView) {
                 UserItem userItem = (UserItem) adapter.getItem(position);
                 String roomType = "1";
 

app/src/main/java/com/nextcloud/talk/controllers/ConversationInfoController.kt

@@ -30,6 +30,7 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ProgressBar
+import android.widget.TextView
 import androidx.appcompat.widget.SwitchCompat
 import androidx.emoji.widget.EmojiTextView
 import androidx.recyclerview.widget.RecyclerView
@@ -43,6 +44,8 @@ import com.afollestad.materialdialogs.LayoutMode.WRAP_CONTENT
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.bottomsheets.BottomSheet
 import com.afollestad.materialdialogs.datetime.dateTimePicker
+import com.afollestad.materialdialogs.list.listItems
+import com.bluelinelabs.conductor.RouterTransaction
 import com.bluelinelabs.conductor.changehandler.HorizontalChangeHandler
 import com.facebook.drawee.backends.pipeline.Fresco
 import com.facebook.drawee.view.SimpleDraweeView
@@ -51,6 +54,8 @@ import com.nextcloud.talk.adapters.items.UserItem
 import com.nextcloud.talk.api.NcApi
 import com.nextcloud.talk.application.NextcloudTalkApplication
 import com.nextcloud.talk.controllers.base.BaseController
+import com.nextcloud.talk.events.BottomSheetLockEvent
+import com.nextcloud.talk.events.EventStatus
 import com.nextcloud.talk.jobs.DeleteConversationWorker
 import com.nextcloud.talk.jobs.LeaveConversationWorker
 import com.nextcloud.talk.models.database.UserEntity
@@ -65,6 +70,7 @@ import com.nextcloud.talk.utils.DateUtils
 import com.nextcloud.talk.utils.DisplayUtils
 import com.nextcloud.talk.utils.bundle.BundleKeys
 import com.nextcloud.talk.utils.preferences.preferencestorage.DatabaseStorageModule
+import com.nextcloud.talk.utils.ui.MaterialPreferenceCategoryWithRightLink
 import com.yarolegovich.lovelydialog.LovelySaveStateHandler
 import com.yarolegovich.lovelydialog.LovelyStandardDialog
 import com.yarolegovich.mp.*
@@ -75,12 +81,15 @@ import io.reactivex.Observer
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.Disposable
 import io.reactivex.schedulers.Schedulers
+import org.greenrobot.eventbus.EventBus
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
 import java.util.*
 import javax.inject.Inject
 
 
 @AutoInjector(NextcloudTalkApplication::class)
-class ConversationInfoController(args: Bundle) : BaseController(args) {
+class ConversationInfoController(args: Bundle) : BaseController(args), FlexibleAdapter.OnItemClickListener {
 
     @BindView(R.id.notification_settings)
     lateinit var notificationsPreferenceScreen: MaterialPreferenceScreen
@@ -101,7 +110,7 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
     @BindView(R.id.display_name_text)
     lateinit var conversationDisplayName: EmojiTextView
     @BindView(R.id.participants_list_category)
-    lateinit var participantsListCategory: MaterialPreferenceCategory
+    lateinit var participantsListCategory: MaterialPreferenceCategoryWithRightLink
     @BindView(R.id.recycler_view)
     lateinit var recyclerView: RecyclerView
     @BindView(R.id.deleteConversationAction)
@@ -112,11 +121,15 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
     lateinit var ownOptionsCategory: MaterialPreferenceCategory
     @BindView(R.id.muteCalls)
     lateinit var muteCalls: MaterialSwitchPreference
+    @BindView(R.id.mpc_action)
+    lateinit var actionTextView: TextView;
 
     @set:Inject
     lateinit var ncApi: NcApi
     @set:Inject
     lateinit var context: Context
+    @set:Inject
+    lateinit var eventBus: EventBus
 
     private val conversationToken: String?
     private val conversationUser: UserEntity?
@@ -168,12 +181,16 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
 
     override fun onAttach(view: View) {
         super.onAttach(view)
+        eventBus.register(this)
+
         if (databaseStorageModule == null) {
             databaseStorageModule = DatabaseStorageModule(conversationUser!!, conversationToken)
         }
 
         notificationsPreferenceScreen.setStorageModule(databaseStorageModule)
         conversationInfoWebinar.setStorageModule(databaseStorageModule)
+
+        fetchRoomInfo()
     }
 
     override fun onViewBound(view: View) {
@@ -182,20 +199,6 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
         if (saveStateHandler == null) {
             saveStateHandler = LovelySaveStateHandler()
         }
-
-        if (adapter == null) {
-            fetchRoomInfo()
-        } else {
-            loadConversationAvatar()
-            notificationsPreferenceScreen.visibility = View.VISIBLE
-            nameCategoryView.visibility = View.VISIBLE
-            participantsListCategory.visibility = View.VISIBLE
-            progressBar.visibility = View.GONE
-            conversationDisplayName.text = conversation!!.displayName
-
-            setupWebinaryView()
-            setupAdapter()
-        }
     }
 
     private fun setupWebinaryView() {
@@ -292,6 +295,15 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
         }
     }
 
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    fun onMessageEvent(eventStatus: EventStatus) {
+        getListOfParticipants()
+    }
+
+    override fun onDetach(view: View) {
+        super.onDetach(view)
+        eventBus.unregister(this)
+    }
 
     private fun showDeleteConversationDialog(savedInstanceState: Bundle?) {
         if (activity != null) {
@@ -334,6 +346,26 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
             recyclerView.layoutManager = layoutManager
             recyclerView.setHasFixedSize(true)
             recyclerView.adapter = adapter
+
+            adapter!!.addListener(this)
+            actionTextView.setOnClickListener {
+                val bundle = Bundle()
+                val existingParticipantsId = arrayListOf<String>()
+
+                recyclerViewItems.forEach {
+                    val userItem = it as UserItem
+                    existingParticipantsId.add(userItem.model.userId)
+                }
+
+                bundle.putBoolean(BundleKeys.KEY_ADD_PARTICIPANTS, true);
+                bundle.putStringArrayList(BundleKeys.KEY_EXISTING_PARTICIPANTS, existingParticipantsId)
+                bundle.putString(BundleKeys.KEY_TOKEN, conversation!!.token)
+
+                getRouter().pushController((RouterTransaction.with(ContactsController(bundle))
+                        .pushChangeHandler(HorizontalChangeHandler())
+                        .popChangeHandler(HorizontalChangeHandler())));
+
+            }
         }
     }
 
@@ -347,11 +379,11 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
         for (i in participants.indices) {
             participant = participants[i]
             userItem = UserItem(participant, conversationUser, null)
-            userItem.isEnabled = participant.sessionId != "0"
+            userItem.isOnline = !participant.sessionId.equals("0")
             if (!TextUtils.isEmpty(participant.userId) && participant.userId == conversationUser!!.userId) {
                 ownUserItem = userItem
-                userItem.model.sessionId = "-1"
+                ownUserItem.model.sessionId = "-1"
-                userItem.isEnabled = true
+                ownUserItem.isOnline = true
             } else {
                 recyclerViewItems.add(userItem)
             }
@@ -365,7 +397,7 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
         setupAdapter()
 
         participantsListCategory.visibility = View.VISIBLE
-        adapter!!.notifyDataSetChanged()
+        adapter!!.updateDataSet(recyclerViewItems)
     }
 
     override fun getTitle(): String? {
@@ -555,6 +587,75 @@ class ConversationInfoController(args: Bundle) : BaseController(args) {
         }
     }
 
+    override fun onItemClick(view: View?, position: Int): Boolean {
+        val userItem = adapter?.getItem(position) as UserItem
+        val participant = userItem.model
+
+        if (participant.userId != conversationUser!!.userId) {
+            val items = mutableListOf(
+                    context.getString(R.string.nc_promote),
+                    context.getString(R.string.nc_demote),
+                    context.getString(R.string.nc_remove_participant)
+            )
+
+            if (participant.type == Participant.ParticipantType.MODERATOR) {
+                items.removeAt(0)
+            } else if (participant.type == Participant.ParticipantType.USER) {
+                items.removeAt(1)
+            }
+
+            if (!conversation!!.canModerate(conversationUser)) {
+                items.removeAt(1);
+            }
+
+            MaterialDialog(activity!!, BottomSheet(WRAP_CONTENT)).show {
+                cornerRadius(res = R.dimen.corner_radius)
+                title(text = participant.displayName)
+                listItems(items = items) { dialog, index, text ->
+
+                    if (index == 0) {
+                        if (participant.type == Participant.ParticipantType.MODERATOR) {
+                            ncApi.demoteModeratorToUser(credentials, ApiUtils.getUrlForModerators(conversationUser.baseUrl, conversation!!.token), participant.userId)
+                                    .subscribeOn(Schedulers.io())
+                                    .observeOn(AndroidSchedulers.mainThread())
+                                    .subscribe {
+                                        getListOfParticipants()
+                                    }
+                        } else if (participant.type == Participant.ParticipantType.USER) {
+                            ncApi.promoteUserToModerator(credentials, ApiUtils.getUrlForModerators(conversationUser.baseUrl, conversation!!.token), participant.userId)
+                                    .subscribeOn(Schedulers.io())
+                                    .observeOn(AndroidSchedulers.mainThread())
+                                    .subscribe {
+                                        getListOfParticipants()
+                                    }
+                        }
+                    } else if (index == 1) {
+                        if (participant.type == Participant.ParticipantType.GUEST ||
+                                participant.type == Participant.ParticipantType.USER_FOLLOWING_LINK) {
+                            ncApi.removeParticipantFromConversation(credentials, ApiUtils.getUrlForRemovingParticipantFromConversation(conversationUser.baseUrl, conversation!!.token, true), participant.sessionId)
+                                    .subscribeOn(Schedulers.io())
+                                    .observeOn(AndroidSchedulers.mainThread())
+                                    .subscribe {
+                                        getListOfParticipants()
+                                    }
+
+                        } else {
+                            ncApi.removeParticipantFromConversation(credentials, ApiUtils.getUrlForRemovingParticipantFromConversation(conversationUser.baseUrl, conversation!!.token, false), participant.userId)
+                                    .subscribeOn(Schedulers.io())
+                                    .observeOn(AndroidSchedulers.mainThread())
+                                    .subscribe {
+                                        getListOfParticipants()
+                                        // get participants again
+                                    }
+                        }
+                    }
+                }
+            }
+        }
+
+        return true;
+    }
+
     companion object {
 
         private const val ID_DELETE_CONVERSATION_DIALOG = 0

app/src/main/java/com/nextcloud/talk/events/EventStatus.java

@@ -35,7 +35,7 @@ public class EventStatus {
     }
 
     public enum EventType {
-        PUSH_REGISTRATION, CAPABILITIES_FETCH, SIGNALING_SETTINGS, CONVERSATION_UPDATE
+        PUSH_REGISTRATION, CAPABILITIES_FETCH, SIGNALING_SETTINGS, CONVERSATION_UPDATE, PARTICIPANTS_UPDATE
     }
 
 }

app/src/main/java/com/nextcloud/talk/jobs/AddParticipantsToConversation.java

@@ -0,0 +1,95 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Mario Danic
+ * Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.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.jobs;
+
+import android.content.Context;
+
+import com.nextcloud.talk.api.NcApi;
+import com.nextcloud.talk.application.NextcloudTalkApplication;
+import com.nextcloud.talk.events.EventStatus;
+import com.nextcloud.talk.models.RetrofitBucket;
+import com.nextcloud.talk.models.database.UserEntity;
+import com.nextcloud.talk.utils.ApiUtils;
+import com.nextcloud.talk.utils.bundle.BundleKeys;
+import com.nextcloud.talk.utils.database.user.UserUtils;
+
+import org.greenrobot.eventbus.EventBus;
+
+import java.util.ArrayList;
+
+import javax.inject.Inject;
+
+import androidx.annotation.NonNull;
+import androidx.work.Data;
+import androidx.work.Worker;
+import androidx.work.WorkerParameters;
+import autodagger.AutoInjector;
+import io.reactivex.schedulers.Schedulers;
+
+@AutoInjector(NextcloudTalkApplication.class)
+public class AddParticipantsToConversation extends Worker {
+    @Inject
+    NcApi ncApi;
+
+    @Inject
+    UserUtils userUtils;
+
+    @Inject
+    EventBus eventBus;
+
+    public AddParticipantsToConversation(@NonNull Context context, @NonNull WorkerParameters workerParams) {
+        super(context, workerParams);
+        NextcloudTalkApplication.Companion.getSharedApplication().getComponentApplication().inject(this);
+    }
+
+    @NonNull
+    @Override
+    public Result doWork() {
+        Data data = getInputData();
+        String[] selectedUserIds = data.getStringArray(BundleKeys.INSTANCE.getKEY_SELECTED_USERS());
+        String[] selectedGroupIds = data.getStringArray(BundleKeys.INSTANCE.getKEY_SELECTED_GROUPS());
+        UserEntity user = userUtils.getUserWithInternalId(data.getLong(BundleKeys.INSTANCE.getKEY_INTERNAL_USER_ID(), -1));
+        String conversationToken = data.getString(BundleKeys.INSTANCE.getKEY_TOKEN());
+        String credentials = ApiUtils.getCredentials(user.getUsername(), user.getToken());
+
+        RetrofitBucket retrofitBucket;
+        for (String userId : selectedUserIds) {
+            retrofitBucket = ApiUtils.getRetrofitBucketForAddParticipant(user.getBaseUrl(), conversationToken,
+                    userId);
+
+            ncApi.addParticipant(credentials, retrofitBucket.getUrl(), retrofitBucket.getQueryMap())
+                    .subscribeOn(Schedulers.io())
+                    .blockingSubscribe();
+        }
+
+        for (String groupId : selectedGroupIds) {
+            retrofitBucket = ApiUtils.getRetrofitBucketForAddGroupParticipant(user.getBaseUrl(), conversationToken,
+                    groupId);
+
+            ncApi.addParticipant(credentials, retrofitBucket.getUrl(), retrofitBucket.getQueryMap())
+                    .subscribeOn(Schedulers.io())
+                    .blockingSubscribe();
+        }
+
+        eventBus.post(new EventStatus(user.getId(), EventStatus.EventType.PARTICIPANTS_UPDATE, true));
+        return Result.success();
+    }
+}

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

@@ -46,6 +46,16 @@ public class ApiUtils {
         return getRoom(baseUrl, token) + "/webinary/lobby";
     }
 
+    public static String getUrlForRemovingParticipantFromConversation(String baseUrl, String roomToken, boolean isGuest) {
+        String url = getUrlForParticipants(baseUrl, roomToken);
+
+        if (isGuest) {
+            url += "/guests";
+        }
+
+        return url;
+    }
+
     public static RetrofitBucket getRetrofitBucketForContactsSearch(String baseUrl, @Nullable String searchQuery) {
         RetrofitBucket retrofitBucket = new RetrofitBucket();
         retrofitBucket.setUrl(baseUrl + ocsApiVersion + "/apps/files_sharing/api/v1/sharees");
@@ -200,6 +210,10 @@ public class ApiUtils {
         }
     }
 
+    public static String getUrlForModerators(String baseUrl, String roomToken) {
+        return getRoom(baseUrl, roomToken) + "/moderators";
+    }
+
     public static String getUrlForSignalingSettings(String baseUrl) {
         return getUrlForSignaling(baseUrl, null) + "/settings";
     }

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

@@ -21,6 +21,8 @@
 package com.nextcloud.talk.utils.bundle
 
 object BundleKeys {
+    val KEY_SELECTED_USERS = "KEY_SELECTED_USERS";
+    val KEY_SELECTED_GROUPS = "KEY_SELECTED_GROUPS";
     val KEY_USERNAME = "KEY_USERNAME"
     val KEY_TOKEN = "KEY_TOKEN"
     val KEY_BASE_URL = "KEY_BASE_URL"
@@ -36,6 +38,8 @@ object BundleKeys {
     val KEY_ROOM_TOKEN = "KEY_ROOM_TOKEN"
     val KEY_USER_ENTITY = "KEY_USER_ENTITY"
     val KEY_NEW_CONVERSATION = "KEY_NEW_CONVERSATION"
+    val KEY_ADD_PARTICIPANTS = "KEY_ADD_PARTICIPANTS"
+    val KEY_EXISTING_PARTICIPANTS = "KEY_EXISTING_PARTICIPANTS"
     val KEY_CALL_URL = "KEY_CALL_URL"
     val KEY_MODIFIED_BASE_URL = "KEY_MODIFIED_BASE_URL"
     val KEY_NOTIFICATION_SUBJECT = "KEY_NOTIFICATION_SUBJECT"

app/src/main/java/com/nextcloud/talk/utils/ui/MaterialPreferenceCategoryWithRightLink.java

@@ -0,0 +1,165 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Mario Danic
+ * Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.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.utils.ui;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+import android.widget.TextView;
+
+import com.nextcloud.talk.R;
+import com.yarolegovich.mp.util.Utils;
+
+import androidx.annotation.ColorInt;
+import androidx.annotation.ColorRes;
+import androidx.cardview.widget.CardView;
+import androidx.core.content.ContextCompat;
+
+public class MaterialPreferenceCategoryWithRightLink extends CardView {
+
+    private ViewGroup container;
+    private TextView title;
+    private TextView action;
+
+    public MaterialPreferenceCategoryWithRightLink(Context context) {
+        super(context);
+        init(null);
+    }
+
+    public MaterialPreferenceCategoryWithRightLink(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(attrs);
+    }
+
+    public MaterialPreferenceCategoryWithRightLink(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(attrs);
+    }
+
+    private void init(AttributeSet attrs) {
+        int titleColor = -1;
+        String titleText = "";
+        String actionText = "";
+        if (attrs != null) {
+            TypedArray ta = getContext().obtainStyledAttributes(attrs, R.styleable.MaterialPreferenceCategory);
+            try {
+                if (ta.hasValue(R.styleable.MaterialPreferenceCategory_mpc_title)) {
+                    titleText = ta.getString(R.styleable.MaterialPreferenceCategory_mpc_title);
+                }
+
+                if (ta.hasValue(R.styleable.MaterialPreferenceCategory_mpc_action)) {
+                    actionText = ta.getString(R.styleable.MaterialPreferenceCategory_mpc_action);
+                }
+
+                titleColor = ta.getColor(R.styleable.MaterialPreferenceCategory_mpc_title_color, -1);
+            } finally {
+                ta.recycle();
+            }
+        }
+
+        inflate(getContext(), R.layout.category_with_right_action, this);
+
+        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT);
+        params.setMargins(0, 0, 0, Utils.dpToPixels(getContext(), 4));
+
+        setUseCompatPadding(true);
+
+        setRadius(0);
+
+        container = (ViewGroup) findViewById(R.id.mpc_container);
+        title = (TextView) findViewById(R.id.mpc_title);
+        action = findViewById(R.id.mpc_action);
+
+        if (!TextUtils.isEmpty(titleText)) {
+            title.setVisibility(View.VISIBLE);
+            title.setText(titleText);
+        }
+
+        if (!TextUtils.isEmpty(actionText)) {
+            action.setVisibility(View.VISIBLE);
+            action.setText(actionText);
+        }
+
+        if (titleColor != -1) {
+            title.setTextColor(titleColor);
+        }
+    }
+
+    public void setAction(String actionText) {
+        action.setText(actionText);
+    }
+
+    public void setTitle(String titleText) {
+        title.setVisibility(View.VISIBLE);
+        title.setText(titleText);
+    }
+
+    public void setTitleColor(@ColorInt int color) {
+        title.setTextColor(color);
+    }
+
+    public void setTitleColorRes(@ColorRes int colorRes) {
+        title.setTextColor(ContextCompat.getColor(getContext(), colorRes));
+    }
+
+    @Override
+    public void addView(View child) {
+        if (container != null) {
+            container.addView(child);
+        } else {
+            super.addView(child);
+        }
+    }
+
+    @Override
+    public void addView(View child, int index) {
+        if (container != null) {
+            container.addView(child, index);
+        } else {
+            super.addView(child, index);
+        }
+    }
+
+    @Override
+    public void addView(View child, ViewGroup.LayoutParams params) {
+        if (container != null) {
+            container.addView(child, params);
+        } else {
+            super.addView(child, params);
+        }
+    }
+
+    @Override
+    public void addView(View child, int index, ViewGroup.LayoutParams params) {
+        if (container != null) {
+            container.addView(child, index, params);
+        } else {
+            super.addView(child, index, params);
+        }
+    }
+
+}

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

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Nextcloud Talk application
+  ~
+  ~ @author Mario Danic
+  ~ Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.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/>.
+  -->
+
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <LinearLayout
+        android:id="@+id/mpc_container"
+        style="@style/PreferenceContainer"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/mpc_title"
+                style="@style/PreferenceHeader"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:visibility="gone"
+                tools:text="Title"/>
+
+            <TextView
+                android:id="@+id/mpc_action"
+                style="@style/PreferenceHeader"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:visibility="gone"
+                tools:text="Add" />
+
+        </RelativeLayout>
+
+    </LinearLayout>
+
+</merge>

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

@@ -96,13 +96,14 @@
 
             </com.yarolegovich.mp.MaterialPreferenceCategory>
 
-            <com.yarolegovich.mp.MaterialPreferenceCategory
+            <com.nextcloud.talk.utils.ui.MaterialPreferenceCategoryWithRightLink
                 android:id="@+id/participants_list_category"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_below="@+id/webinar_settings"
                 android:visibility="gone"
                 apc:mpc_title="@string/nc_participants"
+                apc:mpc_action="@string/nc_add"
                 apc:mpc_title_color="@color/colorPrimary"
                 tools:ignore="UnknownIdInLayout">
 
@@ -112,7 +113,7 @@
                     android:layout_height="wrap_content"
                     tools:listitem="@layout/rv_item_contact" />
 
-            </com.yarolegovich.mp.MaterialPreferenceCategory>
+            </com.nextcloud.talk.utils.ui.MaterialPreferenceCategoryWithRightLink>
 
             <com.yarolegovich.mp.MaterialPreferenceCategory
                 android:id="@+id/ownOptions"

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

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud Talk application
+  ~
+  ~ @author Mario Danic
+  ~ Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.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/>.
+  -->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent" android:layout_height="match_parent">
+
+    <ProgressBar
+        android:id="@+id/progress_bar"
+        style="@style/Widget.AppCompat.ProgressBar"
+        android:layout_width="24dp"
+        android:foregroundTint="@color/colorPrimary"
+        android:layout_margin="8dp"
+        android:layout_height="24dp"
+        android:layout_centerInParent="true" />
+
+</RelativeLayout>
+

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

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud Talk application
+  ~
+  ~ @author Mario Danic
+  ~ Copyright (C) 2017-2019 Mario Danic <mario@lovelyhq.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/>.
+  -->
+
+<resources>
+    <declare-styleable name="MaterialPreferenceCategory">
+        <attr name="mpc_action" format="string" />
+    </declare-styleable>
+</resources>

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

@@ -43,4 +43,5 @@
     <dimen name="maximum_file_preview_size">192dp</dimen>
 
     <dimen name="large_preview_dimension">80dp</dimen>
+    <dimen name="corner_radius">16dp</dimen>
 </resources>

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

@@ -73,6 +73,7 @@
     <string name="nc_settings_remove_confirmation">Please confirm your intent to remove the current account.</string>
     <string name="nc_settings_remove_account">Remove account</string>
     <string name="nc_settings_add_account">Add a new account</string>
+    <string name="nc_add">Add</string>
     <string name="nc_settings_wrong_account">Only current account can be reauthorized</string>
     <string name="nc_settings_no_talk_installed">Talk app is not installed on the server you tried to authenticate against</string>
     <string name="nc_settings_account_updated">Your already existing account was updated, instead of adding a new one</string>
@@ -225,6 +226,11 @@
     <string name="nc_configure_cert_auth">Select authentication certificate</string>
     <string name="nc_change_cert_auth">Change authentication certificate</string>
 
+    <!-- Moderation -->
+    <string name="nc_demote">Demote from moderator</string>
+    <string name="nc_promote">Promote to moderator</string>
+    <string name="nc_remove_participant">Remove participant</string>
+
     <!-- Chat -->
     <string name="nc_hint_enter_a_message">Enter a message…</string>
     <string name="nc_date_header_yesterday">Yesterday</string>