ConferenceDetailsActivity.java

  1package eu.siacs.conversations.ui;
  2
  3import android.app.PendingIntent;
  4import android.content.Context;
  5import android.content.Intent;
  6import android.content.IntentSender.SendIntentException;
  7import android.databinding.DataBindingUtil;
  8import android.os.Bundle;
  9import android.support.v7.app.AlertDialog;
 10import android.support.v7.widget.Toolbar;
 11import android.text.Editable;
 12import android.text.SpannableStringBuilder;
 13import android.text.TextWatcher;
 14import android.view.Menu;
 15import android.view.MenuItem;
 16import android.view.View;
 17import android.view.View.OnClickListener;
 18import android.widget.Toast;
 19
 20import java.util.Collections;
 21import java.util.List;
 22import java.util.concurrent.atomic.AtomicInteger;
 23
 24import eu.siacs.conversations.Config;
 25import eu.siacs.conversations.R;
 26import eu.siacs.conversations.crypto.PgpEngine;
 27import eu.siacs.conversations.databinding.ActivityMucDetailsBinding;
 28import eu.siacs.conversations.entities.Account;
 29import eu.siacs.conversations.entities.Bookmark;
 30import eu.siacs.conversations.entities.Conversation;
 31import eu.siacs.conversations.entities.MucOptions;
 32import eu.siacs.conversations.entities.MucOptions.User;
 33import eu.siacs.conversations.services.XmppConnectionService;
 34import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 35import eu.siacs.conversations.services.XmppConnectionService.OnMucRosterUpdate;
 36import eu.siacs.conversations.ui.adapter.MediaAdapter;
 37import eu.siacs.conversations.ui.adapter.UserPreviewAdapter;
 38import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 39import eu.siacs.conversations.ui.util.Attachment;
 40import eu.siacs.conversations.ui.util.AvatarWorkerTask;
 41import eu.siacs.conversations.ui.util.GridManager;
 42import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 43import eu.siacs.conversations.ui.util.MucConfiguration;
 44import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 45import eu.siacs.conversations.ui.util.MyLinkify;
 46import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
 47import eu.siacs.conversations.utils.AccountUtils;
 48import eu.siacs.conversations.utils.Compatibility;
 49import eu.siacs.conversations.utils.EmojiWrapper;
 50import eu.siacs.conversations.utils.StringUtils;
 51import eu.siacs.conversations.utils.StylingHelper;
 52import eu.siacs.conversations.utils.XmppUri;
 53import me.drakeet.support.toast.ToastCompat;
 54import rocks.xmpp.addr.Jid;
 55
 56import static eu.siacs.conversations.entities.Bookmark.printableValue;
 57import static eu.siacs.conversations.utils.StringUtils.changed;
 58
 59public class ConferenceDetailsActivity extends XmppActivity implements OnConversationUpdate, OnMucRosterUpdate, XmppConnectionService.OnAffiliationChanged, XmppConnectionService.OnConfigurationPushed, XmppConnectionService.OnRoomDestroy, TextWatcher, OnMediaLoaded {
 60    public static final String ACTION_VIEW_MUC = "view_muc";
 61
 62    private Conversation mConversation;
 63    private ActivityMucDetailsBinding binding;
 64    private MediaAdapter mMediaAdapter;
 65    private UserPreviewAdapter mUserPreviewAdapter;
 66    private String uuid = null;
 67
 68    private boolean mAdvancedMode = false;
 69
 70    private UiCallback<Conversation> renameCallback = new UiCallback<Conversation>() {
 71        @Override
 72        public void success(Conversation object) {
 73            displayToast(getString(R.string.your_nick_has_been_changed));
 74            runOnUiThread(() -> {
 75                updateView();
 76            });
 77
 78        }
 79
 80        @Override
 81        public void error(final int errorCode, Conversation object) {
 82            displayToast(getString(errorCode));
 83        }
 84
 85        @Override
 86        public void userInputRequried(PendingIntent pi, Conversation object) {
 87
 88        }
 89    };
 90
 91    private OnClickListener mNotifyStatusClickListener = new OnClickListener() {
 92        @Override
 93        public void onClick(View v) {
 94            AlertDialog.Builder builder = new AlertDialog.Builder(ConferenceDetailsActivity.this);
 95            builder.setTitle(R.string.pref_notification_settings);
 96            String[] choices = {
 97                    getString(R.string.notify_on_all_messages),
 98                    getString(R.string.notify_only_when_highlighted),
 99                    getString(R.string.notify_never)
100            };
101            final AtomicInteger choice;
102            if (mConversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL, 0) == Long.MAX_VALUE) {
103                choice = new AtomicInteger(2);
104            } else {
105                choice = new AtomicInteger(mConversation.alwaysNotify() ? 0 : 1);
106            }
107            builder.setSingleChoiceItems(choices, choice.get(), (dialog, which) -> choice.set(which));
108            builder.setNegativeButton(R.string.cancel, null);
109            builder.setPositiveButton(R.string.ok, (dialog, which) -> {
110                if (choice.get() == 2) {
111                    mConversation.setMutedTill(Long.MAX_VALUE);
112                } else {
113                    mConversation.setMutedTill(0);
114                    mConversation.setAttribute(Conversation.ATTRIBUTE_ALWAYS_NOTIFY, String.valueOf(choice.get() == 0));
115                }
116                xmppConnectionService.updateConversation(mConversation);
117                updateView();
118            });
119            builder.create().show();
120        }
121    };
122
123    private OnClickListener mChangeConferenceSettings = new OnClickListener() {
124        @Override
125        public void onClick(View v) {
126            final MucOptions mucOptions = mConversation.getMucOptions();
127            AlertDialog.Builder builder = new AlertDialog.Builder(ConferenceDetailsActivity.this);
128            MucConfiguration configuration = MucConfiguration.get(ConferenceDetailsActivity.this, mucOptions);
129            builder.setTitle(configuration.title);
130            final boolean[] values = configuration.values;
131            builder.setMultiChoiceItems(configuration.names, values, (dialog, which, isChecked) -> values[which] = isChecked);
132            builder.setNegativeButton(R.string.cancel, null);
133            builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
134                Bundle options = configuration.toBundle(values);
135                options.putString("muc#roomconfig_persistentroom", "1");
136                xmppConnectionService.pushConferenceConfiguration(mConversation,
137                        options,
138                        ConferenceDetailsActivity.this);
139            });
140            builder.create().show();
141        }
142    };
143
144
145    @Override
146    public void onConversationUpdate() {
147        refreshUi();
148    }
149
150    @Override
151    public void onMucRosterUpdate() {
152        refreshUi();
153    }
154
155    @Override
156    protected void refreshUiReal() {
157        updateView();
158    }
159
160    @Override
161    protected void onCreate(Bundle savedInstanceState) {
162        super.onCreate(savedInstanceState);
163        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_muc_details);
164        this.binding.changeConferenceButton.setOnClickListener(this.mChangeConferenceSettings);
165        setSupportActionBar((Toolbar) binding.toolbar);
166        configureActionBar(getSupportActionBar());
167        this.binding.editNickButton.setOnClickListener(v -> quickEdit(mConversation.getMucOptions().getActualNick(),
168                R.string.nickname,
169                value -> {
170                    if (xmppConnectionService.renameInMuc(mConversation, value, renameCallback)) {
171                        return null;
172                    } else {
173                        return getString(R.string.invalid_muc_nick);
174                    }
175                }));
176        this.mAdvancedMode = getPreferences().getBoolean("advanced_muc_mode", false);
177        this.binding.mucInfoMore.setVisibility(this.mAdvancedMode ? View.VISIBLE : View.GONE);
178        this.binding.notificationStatusButton.setOnClickListener(this.mNotifyStatusClickListener);
179        this.binding.yourPhoto.setOnClickListener(v -> {
180            final MucOptions mucOptions = mConversation.getMucOptions();
181            if (!mucOptions.hasVCards()) {
182                Toast.makeText(this, R.string.host_does_not_support_group_chat_avatars, Toast.LENGTH_SHORT).show();
183                return;
184            }
185            if (!mucOptions.getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
186                Toast.makeText(this, R.string.only_the_owner_can_change_group_chat_avatar, Toast.LENGTH_SHORT).show();
187                return;
188            }
189            final Intent intent = new Intent(this, PublishGroupChatProfilePictureActivity.class);
190            intent.putExtra("uuid", mConversation.getUuid());
191            startActivity(intent);
192        });
193        this.binding.editMucNameButton.setOnClickListener(this::onMucEditButtonClicked);
194        this.binding.mucEditTitle.addTextChangedListener(this);
195        this.binding.mucEditSubject.addTextChangedListener(this);
196        this.binding.mucEditSubject.addTextChangedListener(new StylingHelper.MessageEditorStyler(this.binding.mucEditSubject));
197        this.mMediaAdapter = new MediaAdapter(this, R.dimen.media_size);
198        this.mUserPreviewAdapter = new UserPreviewAdapter();
199        this.binding.media.setAdapter(mMediaAdapter);
200        this.binding.users.setAdapter(mUserPreviewAdapter);
201        GridManager.setupLayoutManager(this, this.binding.media, R.dimen.media_size);
202        GridManager.setupLayoutManager(this, this.binding.users, R.dimen.media_size);
203        this.binding.invite.setOnClickListener(v -> inviteToConversation(mConversation));
204        this.binding.showUsers.setOnClickListener(v -> {
205            Intent intent = new Intent(this, MucUsersActivity.class);
206            intent.putExtra("uuid", mConversation.getUuid());
207            startActivity(intent);
208        });
209    }
210
211    @Override
212    protected void onStart() {
213        super.onStart();
214        final int theme = findTheme();
215        if (this.mTheme != theme) {
216            recreate();
217        }
218        binding.mediaWrapper.setVisibility(Compatibility.hasStoragePermission(this) ? View.VISIBLE : View.GONE);
219    }
220
221    @Override
222    public boolean onOptionsItemSelected(MenuItem menuItem) {
223        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
224            return false;
225        }
226        switch (menuItem.getItemId()) {
227            case android.R.id.home:
228                finish();
229                break;
230            case R.id.action_share_http:
231                shareLink(true);
232                break;
233            case R.id.action_share_uri:
234                shareLink(false);
235                break;
236            case R.id.action_save_as_bookmark:
237                saveAsBookmark();
238                break;
239            case R.id.action_delete_bookmark:
240                deleteBookmark();
241                break;
242            case R.id.action_destroy_room:
243                destroyRoom();
244                break;
245            case R.id.action_advanced_mode:
246                this.mAdvancedMode = !menuItem.isChecked();
247                menuItem.setChecked(this.mAdvancedMode);
248                getPreferences().edit().putBoolean("advanced_muc_mode", mAdvancedMode).apply();
249                final boolean online = mConversation != null && mConversation.getMucOptions().online();
250                this.binding.mucInfoMore.setVisibility(this.mAdvancedMode && online ? View.VISIBLE : View.GONE);
251                invalidateOptionsMenu();
252                updateView();
253                break;
254        }
255        return super.onOptionsItemSelected(menuItem);
256    }
257
258    @Override
259    public boolean onContextItemSelected(MenuItem item) {
260        if (!MucDetailsContextMenuHelper.onContextItemSelected(item, mUserPreviewAdapter.getSelectedUser(), this)) {
261            return super.onContextItemSelected(item);
262        }
263        return true;
264    }
265
266    public void onMucEditButtonClicked(View v) {
267        if (this.binding.mucEditor.getVisibility() == View.GONE) {
268            final MucOptions mucOptions = mConversation.getMucOptions();
269            this.binding.mucEditor.setVisibility(View.VISIBLE);
270            this.binding.mucDisplay.setVisibility(View.GONE);
271            this.binding.editMucNameButton.setImageResource(getThemeResource(R.attr.icon_cancel, R.drawable.ic_cancel_black_24dp));
272            final String name = mucOptions.getName();
273            this.binding.mucEditTitle.setText("");
274            final boolean owner = mucOptions.getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER);
275            if (owner || printableValue(name)) {
276                this.binding.mucEditTitle.setVisibility(View.VISIBLE);
277                if (name != null) {
278                    this.binding.mucEditTitle.append(name);
279                }
280            } else {
281                this.binding.mucEditTitle.setVisibility(View.GONE);
282            }
283            this.binding.mucEditTitle.setEnabled(owner);
284            final String subject = mucOptions.getSubject();
285            this.binding.mucEditSubject.setText("");
286            if (subject != null) {
287                this.binding.mucEditSubject.append(subject);
288            }
289            this.binding.mucEditSubject.setEnabled(mucOptions.canChangeSubject());
290            if (!owner) {
291                this.binding.mucEditSubject.requestFocus();
292            }
293        } else {
294            String subject = this.binding.mucEditSubject.isEnabled() ? this.binding.mucEditSubject.getEditableText().toString().trim() : null;
295            String name = this.binding.mucEditTitle.isEnabled() ? this.binding.mucEditTitle.getEditableText().toString().trim() : null;
296            onMucInfoUpdated(subject, name);
297            SoftKeyboardUtils.hideSoftKeyboard(this);
298            hideEditor();
299        }
300    }
301
302    private void hideEditor() {
303        this.binding.mucEditor.setVisibility(View.GONE);
304        this.binding.mucDisplay.setVisibility(View.VISIBLE);
305        this.binding.editMucNameButton.setImageResource(getThemeResource(R.attr.icon_edit_body, R.drawable.ic_edit_black_24dp));
306    }
307
308    private void onMucInfoUpdated(String subject, String name) {
309        final MucOptions mucOptions = mConversation.getMucOptions();
310        if (mucOptions.canChangeSubject() && changed(mucOptions.getSubject(), subject)) {
311            xmppConnectionService.pushSubjectToConference(mConversation, subject);
312        }
313        if (mucOptions.getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER) && changed(mucOptions.getName(), name)) {
314            Bundle options = new Bundle();
315            options.putString("muc#roomconfig_persistentroom", "1");
316            options.putString("muc#roomconfig_roomname", StringUtils.nullOnEmpty(name));
317            xmppConnectionService.pushConferenceConfiguration(mConversation, options, this);
318        }
319    }
320
321
322    @Override
323    protected String getShareableUri(boolean http) {
324        if (mConversation != null) {
325            if (http) {
326                return "https://conversations.im/j/" + XmppUri.lameUrlEncode(mConversation.getJid().asBareJid().toEscapedString());
327            } else {
328                return "xmpp:" + mConversation.getJid().asBareJid() + "?join";
329            }
330        } else {
331            return null;
332        }
333    }
334
335    @Override
336    public boolean onPrepareOptionsMenu(Menu menu) {
337        MenuItem menuItemSaveBookmark = menu.findItem(R.id.action_save_as_bookmark);
338        MenuItem menuItemDeleteBookmark = menu.findItem(R.id.action_delete_bookmark);
339        MenuItem menuItemAdvancedMode = menu.findItem(R.id.action_advanced_mode);
340        MenuItem menuItemDestroyRoom = menu.findItem(R.id.action_destroy_room);
341        menuItemAdvancedMode.setChecked(mAdvancedMode);
342        if (mConversation == null) {
343            return true;
344        }
345        if (mConversation.getBookmark() != null) {
346            menuItemSaveBookmark.setVisible(false);
347            menuItemDeleteBookmark.setVisible(true);
348        } else {
349            menuItemDeleteBookmark.setVisible(false);
350            menuItemSaveBookmark.setVisible(true);
351        }
352        menuItemDestroyRoom.setVisible(mConversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER));
353        return true;
354    }
355
356    @Override
357    public boolean onCreateOptionsMenu(Menu menu) {
358        getMenuInflater().inflate(R.menu.muc_details, menu);
359        AccountUtils.showHideMenuItems(menu);
360        return super.onCreateOptionsMenu(menu);
361    }
362
363    @Override
364    public void onMediaLoaded(List<Attachment> attachments) {
365        runOnUiThread(() -> {
366            int limit = GridManager.getCurrentColumnCount(binding.media);
367            mMediaAdapter.setAttachments(attachments.subList(0, Math.min(limit, attachments.size())));
368            binding.mediaWrapper.setVisibility(attachments.size() > 0 ? View.VISIBLE : View.GONE);
369        });
370
371    }
372
373
374    protected void saveAsBookmark() {
375        xmppConnectionService.saveConversationAsBookmark(mConversation, mConversation.getMucOptions().getName());
376    }
377
378    protected void deleteBookmark() {
379        Account account = mConversation.getAccount();
380        Bookmark bookmark = mConversation.getBookmark();
381        account.getBookmarks().remove(bookmark);
382        bookmark.setConversation(null);
383        xmppConnectionService.pushBookmarks(account);
384        updateView();
385    }
386
387    protected void destroyRoom() {
388        AlertDialog.Builder builder = new AlertDialog.Builder(this);
389        builder.setTitle(R.string.destroy_room);
390        builder.setMessage(R.string.destroy_room_dialog);
391        builder.setPositiveButton(R.string.ok, (dialog, which) -> {
392            xmppConnectionService.destroyRoom(mConversation, ConferenceDetailsActivity.this);
393        });
394        builder.setNegativeButton(R.string.cancel, null);
395        final AlertDialog dialog = builder.create();
396        dialog.setCanceledOnTouchOutside(false);
397        dialog.show();
398    }
399
400    @Override
401    void onBackendConnected() {
402        if (mPendingConferenceInvite != null) {
403            mPendingConferenceInvite.execute(this);
404            mPendingConferenceInvite = null;
405        }
406        if (getIntent().getAction().equals(ACTION_VIEW_MUC)) {
407            this.uuid = getIntent().getExtras().getString("uuid");
408        }
409        if (uuid != null) {
410            this.mConversation = xmppConnectionService.findConversationByUuid(uuid);
411            if (this.mConversation != null) {
412                if (Compatibility.hasStoragePermission(this)) {
413                    final int limit = GridManager.getCurrentColumnCount(this.binding.media);
414                    xmppConnectionService.getAttachments(this.mConversation, limit, this);
415                    this.binding.showMedia.setOnClickListener((v) -> MediaBrowserActivity.launch(this, mConversation));
416                }
417                updateView();
418            }
419        }
420    }
421
422    @Override
423    public void onBackPressed() {
424        if (this.binding.mucEditor.getVisibility() == View.VISIBLE) {
425            hideEditor();
426        } else {
427            super.onBackPressed();
428        }
429    }
430
431    private void updateView() {
432        invalidateOptionsMenu();
433        final MucOptions mucOptions = mConversation.getMucOptions();
434        final User self = mucOptions.getSelf();
435        String account;
436        if (Config.DOMAIN_LOCK != null) {
437            account = mConversation.getAccount().getJid().getLocal();
438        } else {
439            account = mConversation.getAccount().getJid().asBareJid().toString();
440        }
441        setTitle(mucOptions.isPrivateAndNonAnonymous() ? R.string.action_muc_details : R.string.channel_details);
442        this.binding.editMucNameButton.setVisibility((self.getAffiliation().ranks(MucOptions.Affiliation.OWNER) || mucOptions.canChangeSubject()) ? View.VISIBLE : View.GONE);
443        this.binding.detailsAccount.setText(getString(R.string.using_account, account));
444        this.binding.jid.setText(mConversation.getJid().asBareJid().toEscapedString());
445        AvatarWorkerTask.loadAvatar(mConversation, binding.yourPhoto, R.dimen.avatar_on_details_screen_size);
446        String roomName = mucOptions.getName();
447        String subject = mucOptions.getSubject();
448        final boolean hasTitle;
449        if (printableValue(roomName)) {
450            this.binding.mucTitle.setText(EmojiWrapper.transform(roomName));
451            this.binding.mucTitle.setVisibility(View.VISIBLE);
452            hasTitle = true;
453        } else if (!printableValue(subject)) {
454            this.binding.mucTitle.setText(EmojiWrapper.transform(mConversation.getName()));
455            hasTitle = true;
456            this.binding.mucTitle.setVisibility(View.VISIBLE);
457        } else {
458            hasTitle = false;
459            this.binding.mucTitle.setVisibility(View.GONE);
460        }
461        if (printableValue(subject)) {
462            SpannableStringBuilder spannable = new SpannableStringBuilder(subject);
463            StylingHelper.format(spannable, this.binding.mucSubject.getCurrentTextColor());
464            MyLinkify.addLinks(spannable, false);
465            this.binding.mucSubject.setText(EmojiWrapper.transform(spannable));
466            this.binding.mucSubject.setTextAppearance(this, subject.length() > (hasTitle ? 128 : 196) ? R.style.TextAppearance_Conversations_Body1_Linkified : R.style.TextAppearance_Conversations_Subhead);
467            this.binding.mucSubject.setAutoLinkMask(0);
468            this.binding.mucSubject.setVisibility(View.VISIBLE);
469        } else {
470            this.binding.mucSubject.setVisibility(View.GONE);
471        }
472        this.binding.mucYourNick.setText(mucOptions.getActualNick());
473        if (mucOptions.online()) {
474            this.binding.usersWrapper.setVisibility(View.VISIBLE);
475            this.binding.mucInfoMore.setVisibility(this.mAdvancedMode ? View.VISIBLE : View.GONE);
476            this.binding.mucRole.setVisibility(View.VISIBLE);
477            this.binding.mucRole.setText(getStatus(self));
478            if (mucOptions.getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
479                this.binding.mucSettings.setVisibility(View.VISIBLE);
480                this.binding.mucConferenceType.setText(MucConfiguration.describe(this,mucOptions));
481            } else if (!mucOptions.isPrivateAndNonAnonymous() && mucOptions.nonanonymous()) {
482                this.binding.mucSettings.setVisibility(View.VISIBLE);
483                this.binding.mucConferenceType.setText(R.string.group_chat_will_make_your_jabber_id_public);
484            } else {
485                this.binding.mucSettings.setVisibility(View.GONE);
486            }
487            if (mucOptions.mamSupport()) {
488                this.binding.mucInfoMam.setText(R.string.server_info_available);
489            } else {
490                this.binding.mucInfoMam.setText(R.string.server_info_unavailable);
491            }
492            if (self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
493                this.binding.changeConferenceButton.setVisibility(View.VISIBLE);
494            } else {
495                this.binding.changeConferenceButton.setVisibility(View.INVISIBLE);
496            }
497        } else {
498            this.binding.usersWrapper.setVisibility(View.GONE);
499            this.binding.mucInfoMore.setVisibility(View.GONE);
500            this.binding.mucSettings.setVisibility(View.GONE);
501        }
502
503        int ic_notifications = getThemeResource(R.attr.icon_notifications, R.drawable.ic_notifications_black_24dp);
504        int ic_notifications_off = getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp);
505        int ic_notifications_paused = getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp);
506        int ic_notifications_none = getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp);
507
508        long mutedTill = mConversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL, 0);
509        if (mutedTill == Long.MAX_VALUE) {
510            this.binding.notificationStatusText.setText(R.string.notify_never);
511            this.binding.notificationStatusButton.setImageResource(ic_notifications_off);
512        } else if (System.currentTimeMillis() < mutedTill) {
513            this.binding.notificationStatusText.setText(R.string.notify_paused);
514            this.binding.notificationStatusButton.setImageResource(ic_notifications_paused);
515        } else if (mConversation.alwaysNotify()) {
516            this.binding.notificationStatusText.setText(R.string.notify_on_all_messages);
517            this.binding.notificationStatusButton.setImageResource(ic_notifications);
518        } else {
519            this.binding.notificationStatusText.setText(R.string.notify_only_when_highlighted);
520            this.binding.notificationStatusButton.setImageResource(ic_notifications_none);
521        }
522        final List<User> users = mucOptions.getUsers();
523        Collections.sort(users, (a, b) -> {
524            if (b.getAffiliation().outranks(a.getAffiliation())) {
525                return 1;
526            } else if (a.getAffiliation().outranks(b.getAffiliation())) {
527                return -1;
528            } else {
529                if (a.getAvatar() != null && b.getAvatar() == null) {
530                    return -1;
531                } else if (a.getAvatar() == null && b.getAvatar() != null) {
532                    return 1;
533                } else {
534                    return a.getComparableName().compareToIgnoreCase(b.getComparableName());
535                }
536            }
537        });
538        this.mUserPreviewAdapter.submitList(MucOptions.sub(users, GridManager.getCurrentColumnCount(binding.users)));
539        this.binding.invite.setVisibility(mucOptions.canInvite() ? View.VISIBLE : View.GONE);
540        this.binding.showUsers.setVisibility(users.size() > 0 ? View.VISIBLE : View.GONE);
541        this.binding.usersWrapper.setVisibility(users.size() > 0 || mucOptions.canInvite() ? View.VISIBLE : View.GONE);
542        if (users.size() == 0) {
543            this.binding.noUsersHints.setText(mucOptions.isPrivateAndNonAnonymous() ? R.string.no_users_hint_group_chat : R.string.no_users_hint_channel);
544            this.binding.noUsersHints.setVisibility(View.VISIBLE);
545        } else {
546            this.binding.noUsersHints.setVisibility(View.GONE);
547        }
548
549    }
550
551    public static String getStatus(Context context, User user, final boolean advanced) {
552        if (advanced) {
553            return String.format("%s (%s)", context.getString(user.getAffiliation().getResId()), context.getString(user.getRole().getResId()));
554        } else {
555            return context.getString(user.getAffiliation().getResId());
556        }
557    }
558
559    private String getStatus(User user) {
560        return getStatus(this, user, mAdvancedMode);
561    }
562
563
564    @Override
565    public void onAffiliationChangedSuccessful(Jid jid) {
566        refreshUi();
567    }
568
569    @Override
570    public void onAffiliationChangeFailed(Jid jid, int resId) {
571        displayToast(getString(resId, jid.asBareJid().toString()));
572    }
573
574    @Override
575    public void onRoomDestroySucceeded() {
576        finish();
577    }
578
579    @Override
580    public void onRoomDestroyFailed() {
581        displayToast(getString(R.string.could_not_destroy_room));
582    }
583
584    @Override
585    public void onPushSucceeded() {
586        displayToast(getString(R.string.modified_conference_options));
587    }
588
589    @Override
590    public void onPushFailed() {
591        displayToast(getString(R.string.could_not_modify_conference_options));
592    }
593
594    private void displayToast(final String msg) {
595        runOnUiThread(() -> {
596            if (isFinishing()) {
597                return;
598            }
599            ToastCompat.makeText(this, msg, Toast.LENGTH_SHORT).show();
600        });
601    }
602
603    @Override
604    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
605
606    }
607
608    @Override
609    public void onTextChanged(CharSequence s, int start, int before, int count) {
610
611    }
612
613    @Override
614    public void afterTextChanged(Editable s) {
615        if (mConversation == null) {
616            return;
617        }
618        final MucOptions mucOptions = mConversation.getMucOptions();
619        if (this.binding.mucEditor.getVisibility() == View.VISIBLE) {
620            boolean subjectChanged = changed(binding.mucEditSubject.getEditableText().toString(), mucOptions.getSubject());
621            boolean nameChanged = changed(binding.mucEditTitle.getEditableText().toString(), mucOptions.getName());
622            if (subjectChanged || nameChanged) {
623                this.binding.editMucNameButton.setImageResource(getThemeResource(R.attr.icon_save, R.drawable.ic_save_black_24dp));
624            } else {
625                this.binding.editMucNameButton.setImageResource(getThemeResource(R.attr.icon_cancel, R.drawable.ic_cancel_black_24dp));
626            }
627        }
628    }
629
630}