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.content.res.Resources;
  8import android.databinding.DataBindingUtil;
  9import android.graphics.Bitmap;
 10import android.graphics.drawable.BitmapDrawable;
 11import android.graphics.drawable.Drawable;
 12import android.os.AsyncTask;
 13import android.os.Bundle;
 14import android.support.v7.app.AlertDialog;
 15import android.support.v7.widget.Toolbar;
 16import android.text.SpannableString;
 17import android.text.SpannableStringBuilder;
 18import android.util.Log;
 19import android.view.ContextMenu;
 20import android.view.LayoutInflater;
 21import android.view.Menu;
 22import android.view.MenuItem;
 23import android.view.View;
 24import android.view.View.OnClickListener;
 25import android.widget.ImageView;
 26import android.widget.Toast;
 27
 28import org.openintents.openpgp.util.OpenPgpUtils;
 29
 30import java.lang.ref.WeakReference;
 31import java.util.ArrayList;
 32import java.util.Collections;
 33import java.util.concurrent.RejectedExecutionException;
 34import java.util.concurrent.atomic.AtomicInteger;
 35
 36import eu.siacs.conversations.Config;
 37import eu.siacs.conversations.R;
 38import eu.siacs.conversations.crypto.PgpEngine;
 39import eu.siacs.conversations.databinding.ActivityMucDetailsBinding;
 40import eu.siacs.conversations.databinding.ContactBinding;
 41import eu.siacs.conversations.entities.Account;
 42import eu.siacs.conversations.entities.Bookmark;
 43import eu.siacs.conversations.entities.Contact;
 44import eu.siacs.conversations.entities.Conversation;
 45import eu.siacs.conversations.entities.MucOptions;
 46import eu.siacs.conversations.entities.MucOptions.User;
 47import eu.siacs.conversations.services.XmppConnectionService;
 48import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 49import eu.siacs.conversations.services.XmppConnectionService.OnMucRosterUpdate;
 50import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 51import eu.siacs.conversations.ui.util.MyLinkify;
 52import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
 53import eu.siacs.conversations.utils.UIHelper;
 54import eu.siacs.conversations.utils.XmppUri;
 55import rocks.xmpp.addr.Jid;
 56
 57import static eu.siacs.conversations.entities.Bookmark.printableValue;
 58
 59public class ConferenceDetailsActivity extends XmppActivity implements OnConversationUpdate, OnMucRosterUpdate, XmppConnectionService.OnAffiliationChanged, XmppConnectionService.OnRoleChanged, XmppConnectionService.OnConfigurationPushed {
 60	public static final String ACTION_VIEW_MUC = "view_muc";
 61
 62	private static final float INACTIVE_ALPHA = 0.4684f; //compromise between dark and light theme
 63
 64	private Conversation mConversation;
 65	private OnClickListener inviteListener = new OnClickListener() {
 66
 67		@Override
 68		public void onClick(View v) {
 69			inviteToConversation(mConversation);
 70		}
 71	};
 72	private ActivityMucDetailsBinding binding;
 73	private String uuid = null;
 74	private User mSelectedUser = null;
 75
 76	private boolean mAdvancedMode = false;
 77
 78	private UiCallback<Conversation> renameCallback = new UiCallback<Conversation>() {
 79		@Override
 80		public void success(Conversation object) {
 81			runOnUiThread(() -> {
 82				Toast.makeText(ConferenceDetailsActivity.this, getString(R.string.your_nick_has_been_changed), Toast.LENGTH_SHORT).show();
 83				updateView();
 84			});
 85
 86		}
 87
 88		@Override
 89		public void error(final int errorCode, Conversation object) {
 90			runOnUiThread(() -> Toast.makeText(ConferenceDetailsActivity.this, getString(errorCode), Toast.LENGTH_SHORT).show());
 91		}
 92
 93		@Override
 94		public void userInputRequried(PendingIntent pi, Conversation object) {
 95
 96		}
 97	};
 98
 99	private OnClickListener mNotifyStatusClickListener = new OnClickListener() {
100		@Override
101		public void onClick(View v) {
102			AlertDialog.Builder builder = new AlertDialog.Builder(ConferenceDetailsActivity.this);
103			builder.setTitle(R.string.pref_notification_settings);
104			String[] choices = {
105					getString(R.string.notify_on_all_messages),
106					getString(R.string.notify_only_when_highlighted),
107					getString(R.string.notify_never)
108			};
109			final AtomicInteger choice;
110			if (mConversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL, 0) == Long.MAX_VALUE) {
111				choice = new AtomicInteger(2);
112			} else {
113				choice = new AtomicInteger(mConversation.alwaysNotify() ? 0 : 1);
114			}
115			builder.setSingleChoiceItems(choices, choice.get(), (dialog, which) -> choice.set(which));
116			builder.setNegativeButton(R.string.cancel, null);
117			builder.setPositiveButton(R.string.ok, (dialog, which) -> {
118				if (choice.get() == 2) {
119					mConversation.setMutedTill(Long.MAX_VALUE);
120				} else {
121					mConversation.setMutedTill(0);
122					mConversation.setAttribute(Conversation.ATTRIBUTE_ALWAYS_NOTIFY, String.valueOf(choice.get() == 0));
123				}
124				xmppConnectionService.updateConversation(mConversation);
125				updateView();
126			});
127			builder.create().show();
128		}
129	};
130
131	private OnClickListener mChangeConferenceSettings = new OnClickListener() {
132		@Override
133		public void onClick(View v) {
134			final MucOptions mucOptions = mConversation.getMucOptions();
135			AlertDialog.Builder builder = new AlertDialog.Builder(ConferenceDetailsActivity.this);
136			builder.setTitle(R.string.conference_options);
137			final String[] options;
138			final boolean[] values;
139			if (mAdvancedMode) {
140				options = new String[]{
141						getString(R.string.members_only),
142						getString(R.string.moderated),
143						getString(R.string.non_anonymous)
144				};
145				values = new boolean[]{
146						mucOptions.membersOnly(),
147						mucOptions.moderated(),
148						mucOptions.nonanonymous()
149				};
150			} else {
151				options = new String[]{
152						getString(R.string.members_only),
153						getString(R.string.non_anonymous)
154				};
155				values = new boolean[]{
156						mucOptions.membersOnly(),
157						mucOptions.nonanonymous()
158				};
159			}
160			builder.setMultiChoiceItems(options, values, (dialog, which, isChecked) -> values[which] = isChecked);
161			builder.setNegativeButton(R.string.cancel, null);
162			builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
163				if (!mucOptions.membersOnly() && values[0]) {
164					xmppConnectionService.changeAffiliationsInConference(mConversation,
165							MucOptions.Affiliation.NONE,
166							MucOptions.Affiliation.MEMBER);
167				}
168				Bundle options1 = new Bundle();
169				options1.putString("muc#roomconfig_membersonly", values[0] ? "1" : "0");
170				if (values.length == 2) {
171					options1.putString("muc#roomconfig_whois", values[1] ? "anyone" : "moderators");
172				} else if (values.length == 3) {
173					options1.putString("muc#roomconfig_moderatedroom", values[1] ? "1" : "0");
174					options1.putString("muc#roomconfig_whois", values[2] ? "anyone" : "moderators");
175				}
176				options1.putString("muc#roomconfig_persistentroom", "1");
177				final boolean whois = values.length == 2 ? values[1] : values[2];
178				if (values[0] == whois) {
179					options1.putString("muc#roomconfig_publicroom",whois ? "0" : "1");
180				}
181				xmppConnectionService.pushConferenceConfiguration(mConversation,
182						options1,
183						ConferenceDetailsActivity.this);
184			});
185			builder.create().show();
186		}
187	};
188	private OnValueEdited onSubjectEdited = new OnValueEdited() {
189
190		@Override
191		public String onValueEdited(String value) {
192			xmppConnectionService.pushSubjectToConference(mConversation, value.trim().isEmpty() ? null : value.trim());
193			return null;
194		}
195	};
196
197	public static boolean cancelPotentialWork(User user, ImageView imageView) {
198		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
199
200		if (bitmapWorkerTask != null) {
201			final User old = bitmapWorkerTask.o;
202			if (old == null || user != old) {
203				bitmapWorkerTask.cancel(true);
204			} else {
205				return false;
206			}
207		}
208		return true;
209	}
210
211	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
212		if (imageView != null) {
213			final Drawable drawable = imageView.getDrawable();
214			if (drawable instanceof AsyncDrawable) {
215				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
216				return asyncDrawable.getBitmapWorkerTask();
217			}
218		}
219		return null;
220	}
221
222	@Override
223	public void onConversationUpdate() {
224		refreshUi();
225	}
226
227	@Override
228	public void onMucRosterUpdate() {
229		refreshUi();
230	}
231
232	@Override
233	protected void refreshUiReal() {
234		updateView();
235	}
236
237	@Override
238	protected void onCreate(Bundle savedInstanceState) {
239		super.onCreate(savedInstanceState);
240		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_muc_details);
241		this.binding.mucMoreDetails.setVisibility(View.GONE);
242		this.binding.changeConferenceButton.setOnClickListener(this.mChangeConferenceSettings);
243		this.binding.invite.setOnClickListener(inviteListener);
244		setSupportActionBar((Toolbar) binding.toolbar);
245		configureActionBar(getSupportActionBar());
246		this.binding.editNickButton.setOnClickListener(v -> quickEdit(mConversation.getMucOptions().getActualNick(),
247				0,
248				value -> {
249					if (xmppConnectionService.renameInMuc(mConversation, value, renameCallback)) {
250						return null;
251					} else {
252						return getString(R.string.invalid_username);
253					}
254				}));
255		this.mAdvancedMode = getPreferences().getBoolean("advanced_muc_mode", false);
256		this.binding.mucInfoMore.setVisibility(this.mAdvancedMode ? View.VISIBLE : View.GONE);
257		this.binding.notificationStatusButton.setOnClickListener(this.mNotifyStatusClickListener);
258		this.binding.yourPhoto.setOnClickListener(v -> {
259			final MucOptions mucOptions = mConversation.getMucOptions();
260			if (!mucOptions.hasVCards()) {
261				Toast.makeText(this,R.string.host_does_not_support_group_chat_avatars, Toast.LENGTH_SHORT).show();
262				return;
263			}
264			if (!mucOptions.getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
265				Toast.makeText(this,R.string.only_the_owner_can_change_group_chat_avatar, Toast.LENGTH_SHORT).show();
266				return;
267			}
268			final Intent intent = new Intent(this, PublishGroupChatProfilePictureActivity.class);
269			intent.putExtra("uuid",mConversation.getUuid());
270			startActivity(intent);
271		});
272	}
273
274	@Override
275	protected void onStart() {
276		super.onStart();
277		final int theme = findTheme();
278		if (this.mTheme != theme) {
279			recreate();
280		}
281	}
282
283	@Override
284	public boolean onOptionsItemSelected(MenuItem menuItem) {
285		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
286			return false;
287		}
288		switch (menuItem.getItemId()) {
289			case android.R.id.home:
290				finish();
291				break;
292			case R.id.action_share_http:
293				shareLink(true);
294				break;
295			case R.id.action_share_uri:
296				shareLink(false);
297				break;
298			case R.id.action_save_as_bookmark:
299				saveAsBookmark();
300				break;
301			case R.id.action_delete_bookmark:
302				deleteBookmark();
303				break;
304			case R.id.action_advanced_mode:
305				this.mAdvancedMode = !menuItem.isChecked();
306				menuItem.setChecked(this.mAdvancedMode);
307				getPreferences().edit().putBoolean("advanced_muc_mode", mAdvancedMode).apply();
308				final boolean online = mConversation != null && mConversation.getMucOptions().online();
309				this.binding.mucInfoMore.setVisibility(this.mAdvancedMode && online ? View.VISIBLE : View.GONE);
310				invalidateOptionsMenu();
311				updateView();
312				break;
313		}
314		return super.onOptionsItemSelected(menuItem);
315	}
316
317	@Override
318	protected String getShareableUri(boolean http) {
319		if (mConversation != null) {
320			if (http) {
321				return "https://conversations.im/j/" + XmppUri.lameUrlEncode(mConversation.getJid().asBareJid().toEscapedString());
322			} else {
323				return "xmpp:" + mConversation.getJid().asBareJid() + "?join";
324			}
325		} else {
326			return null;
327		}
328	}
329
330	@Override
331	public boolean onPrepareOptionsMenu(Menu menu) {
332		MenuItem menuItemSaveBookmark = menu.findItem(R.id.action_save_as_bookmark);
333		MenuItem menuItemDeleteBookmark = menu.findItem(R.id.action_delete_bookmark);
334		MenuItem menuItemAdvancedMode = menu.findItem(R.id.action_advanced_mode);
335		menuItemAdvancedMode.setChecked(mAdvancedMode);
336		if (mConversation == null) {
337			return true;
338		}
339		if (mConversation.getBookmark() != null) {
340			menuItemSaveBookmark.setVisible(false);
341			menuItemDeleteBookmark.setVisible(true);
342		} else {
343			menuItemDeleteBookmark.setVisible(false);
344			menuItemSaveBookmark.setVisible(true);
345		}
346		return true;
347	}
348
349	@Override
350	public boolean onCreateOptionsMenu(Menu menu) {
351		getMenuInflater().inflate(R.menu.muc_details, menu);
352		return super.onCreateOptionsMenu(menu);
353	}
354
355	@Override
356	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
357		Object tag = v.getTag();
358		if (tag instanceof User) {
359			getMenuInflater().inflate(R.menu.muc_details_context, menu);
360			final User user = (User) tag;
361			final User self = mConversation.getMucOptions().getSelf();
362			this.mSelectedUser = user;
363			String name;
364			final Contact contact = user.getContact();
365			if (contact != null && contact.showInRoster()) {
366				name = contact.getDisplayName();
367			} else if (user.getRealJid() != null) {
368				name = user.getRealJid().asBareJid().toString();
369			} else {
370				name = user.getName();
371			}
372			menu.setHeaderTitle(name);
373			if (user.getRealJid() != null) {
374				MenuItem showContactDetails = menu.findItem(R.id.action_contact_details);
375				MenuItem startConversation = menu.findItem(R.id.start_conversation);
376				MenuItem giveMembership = menu.findItem(R.id.give_membership);
377				MenuItem removeMembership = menu.findItem(R.id.remove_membership);
378				MenuItem giveAdminPrivileges = menu.findItem(R.id.give_admin_privileges);
379				MenuItem removeAdminPrivileges = menu.findItem(R.id.remove_admin_privileges);
380				MenuItem removeFromRoom = menu.findItem(R.id.remove_from_room);
381				MenuItem banFromConference = menu.findItem(R.id.ban_from_conference);
382				MenuItem invite = menu.findItem(R.id.invite);
383				startConversation.setVisible(true);
384				if (contact != null && contact.showInRoster()) {
385					showContactDetails.setVisible(!contact.isSelf());
386				}
387				if (user.getRole() == MucOptions.Role.NONE) {
388					invite.setVisible(true);
389				}
390				if (self.getAffiliation().ranks(MucOptions.Affiliation.ADMIN) &&
391						self.getAffiliation().outranks(user.getAffiliation())) {
392					if (mAdvancedMode) {
393						if (user.getAffiliation() == MucOptions.Affiliation.NONE) {
394							giveMembership.setVisible(true);
395						} else {
396							removeMembership.setVisible(true);
397						}
398						if (!Config.DISABLE_BAN) {
399							banFromConference.setVisible(true);
400						}
401					} else {
402						if (!Config.DISABLE_BAN || mConversation.getMucOptions().membersOnly()) {
403							removeFromRoom.setVisible(true);
404						}
405					}
406					if (user.getAffiliation() != MucOptions.Affiliation.ADMIN) {
407						giveAdminPrivileges.setVisible(true);
408					} else {
409						removeAdminPrivileges.setVisible(true);
410					}
411				}
412			} else {
413				MenuItem sendPrivateMessage = menu.findItem(R.id.send_private_message);
414				sendPrivateMessage.setVisible(user.getRole().ranks(MucOptions.Role.VISITOR));
415			}
416
417		}
418		super.onCreateContextMenu(menu, v, menuInfo);
419	}
420
421	@Override
422	public boolean onContextItemSelected(MenuItem item) {
423		Jid jid = mSelectedUser.getRealJid();
424		switch (item.getItemId()) {
425			case R.id.action_contact_details:
426				Contact contact = mSelectedUser.getContact();
427				if (contact != null) {
428					switchToContactDetails(contact);
429				}
430				return true;
431			case R.id.start_conversation:
432				startConversation(mSelectedUser);
433				return true;
434			case R.id.give_admin_privileges:
435				xmppConnectionService.changeAffiliationInConference(mConversation, jid, MucOptions.Affiliation.ADMIN, this);
436				return true;
437			case R.id.give_membership:
438				xmppConnectionService.changeAffiliationInConference(mConversation, jid, MucOptions.Affiliation.MEMBER, this);
439				return true;
440			case R.id.remove_membership:
441				xmppConnectionService.changeAffiliationInConference(mConversation, jid, MucOptions.Affiliation.NONE, this);
442				return true;
443			case R.id.remove_admin_privileges:
444				xmppConnectionService.changeAffiliationInConference(mConversation, jid, MucOptions.Affiliation.MEMBER, this);
445				return true;
446			case R.id.remove_from_room:
447				removeFromRoom(mSelectedUser);
448				return true;
449			case R.id.ban_from_conference:
450				xmppConnectionService.changeAffiliationInConference(mConversation, jid, MucOptions.Affiliation.OUTCAST, this);
451				if (mSelectedUser.getRole() != MucOptions.Role.NONE) {
452					xmppConnectionService.changeRoleInConference(mConversation, mSelectedUser.getName(), MucOptions.Role.NONE, this);
453				}
454				return true;
455			case R.id.send_private_message:
456				if (mConversation.getMucOptions().allowPm()) {
457					privateMsgInMuc(mConversation, mSelectedUser.getName());
458				} else {
459					Toast.makeText(this, R.string.private_messages_are_disabled, Toast.LENGTH_SHORT).show();
460				}
461				return true;
462			case R.id.invite:
463				xmppConnectionService.directInvite(mConversation, jid);
464				return true;
465			default:
466				return super.onContextItemSelected(item);
467		}
468	}
469
470	private void removeFromRoom(final User user) {
471		if (mConversation.getMucOptions().membersOnly()) {
472			xmppConnectionService.changeAffiliationInConference(mConversation, user.getRealJid(), MucOptions.Affiliation.NONE, this);
473			if (user.getRole() != MucOptions.Role.NONE) {
474				xmppConnectionService.changeRoleInConference(mConversation, mSelectedUser.getName(), MucOptions.Role.NONE, ConferenceDetailsActivity.this);
475			}
476		} else {
477			AlertDialog.Builder builder = new AlertDialog.Builder(this);
478			builder.setTitle(R.string.ban_from_conference);
479			builder.setMessage(getString(R.string.removing_from_public_conference, user.getName()));
480			builder.setNegativeButton(R.string.cancel, null);
481			builder.setPositiveButton(R.string.ban_now, (dialog, which) -> {
482				xmppConnectionService.changeAffiliationInConference(mConversation, user.getRealJid(), MucOptions.Affiliation.OUTCAST, ConferenceDetailsActivity.this);
483				if (user.getRole() != MucOptions.Role.NONE) {
484					xmppConnectionService.changeRoleInConference(mConversation, mSelectedUser.getName(), MucOptions.Role.NONE, ConferenceDetailsActivity.this);
485				}
486			});
487			builder.create().show();
488		}
489	}
490
491	protected void startConversation(User user) {
492		if (user.getRealJid() != null) {
493			Conversation conversation = xmppConnectionService.findOrCreateConversation(this.mConversation.getAccount(), user.getRealJid().asBareJid(), false, true);
494			switchToConversation(conversation);
495		}
496	}
497
498	protected void saveAsBookmark() {
499		xmppConnectionService.saveConversationAsBookmark(mConversation,
500				mConversation.getMucOptions().getSubject());
501	}
502
503	protected void deleteBookmark() {
504		Account account = mConversation.getAccount();
505		Bookmark bookmark = mConversation.getBookmark();
506		account.getBookmarks().remove(bookmark);
507		bookmark.setConversation(null);
508		xmppConnectionService.pushBookmarks(account);
509		updateView();
510	}
511
512	@Override
513	void onBackendConnected() {
514		if (mPendingConferenceInvite != null) {
515			mPendingConferenceInvite.execute(this);
516			mPendingConferenceInvite = null;
517		}
518		if (getIntent().getAction().equals(ACTION_VIEW_MUC)) {
519			this.uuid = getIntent().getExtras().getString("uuid");
520		}
521		if (uuid != null) {
522			this.mConversation = xmppConnectionService.findConversationByUuid(uuid);
523			if (this.mConversation != null) {
524				updateView();
525			}
526		}
527	}
528
529	private void updateView() {
530		invalidateOptionsMenu();
531		final MucOptions mucOptions = mConversation.getMucOptions();
532		final User self = mucOptions.getSelf();
533		String account;
534		if (Config.DOMAIN_LOCK != null) {
535			account = mConversation.getAccount().getJid().getLocal();
536		} else {
537			account = mConversation.getAccount().getJid().asBareJid().toString();
538		}
539		this.binding.detailsAccount.setText(getString(R.string.using_account, account));
540		this.binding.jid.setText(mConversation.getJid().asBareJid().toEscapedString());
541		this.binding.yourPhoto.setImageBitmap(avatarService().get(mConversation, getPixel(72)));
542		String roomName = mucOptions.getName();
543		String subject = mucOptions.getSubject();
544		if (printableValue(roomName)) {
545			this.binding.mucTitle.setText(roomName);
546			this.binding.mucTitle.setVisibility(View.VISIBLE);
547		} else if (!printableValue(subject)) {
548			this.binding.mucTitle.setText(mConversation.getName());
549			this.binding.mucTitle.setVisibility(View.VISIBLE);
550		} else {
551			this.binding.mucTitle.setVisibility(View.GONE);
552		}
553		if (printableValue(subject)) {
554			SpannableStringBuilder spannable = new SpannableStringBuilder(subject);
555			MyLinkify.addLinks(spannable, false);
556			this.binding.mucSubject.setText(spannable);
557			this.binding.mucSubject.setAutoLinkMask(0);
558			this.binding.mucSubject.setVisibility(View.VISIBLE);
559		} else {
560			this.binding.mucSubject.setVisibility(View.GONE);
561		}
562		this.binding.mucYourNick.setText(mucOptions.getActualNick());
563		if (mucOptions.online()) {
564			this.binding.mucMoreDetails.setVisibility(View.VISIBLE);
565			this.binding.mucSettings.setVisibility(View.VISIBLE);
566			this.binding.mucInfoMore.setVisibility(this.mAdvancedMode ? View.VISIBLE : View.GONE);
567			this.binding.mucRole.setVisibility(View.VISIBLE);
568			this.binding.mucRole.setText(getStatus(self));
569			if (mucOptions.membersOnly()) {
570				this.binding.mucConferenceType.setText(R.string.private_conference);
571			} else {
572				this.binding.mucConferenceType.setText(R.string.public_conference);
573			}
574			if (mucOptions.mamSupport()) {
575				this.binding.mucInfoMam.setText(R.string.server_info_available);
576			} else {
577				this.binding.mucInfoMam.setText(R.string.server_info_unavailable);
578			}
579			if (self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
580				this.binding.changeConferenceButton.setVisibility(View.VISIBLE);
581			} else {
582				this.binding.changeConferenceButton.setVisibility(View.INVISIBLE);
583			}
584		} else {
585			this.binding.mucMoreDetails.setVisibility(View.GONE);
586			this.binding.mucInfoMore.setVisibility(View.GONE);
587			this.binding.mucSettings.setVisibility(View.GONE);
588		}
589
590		int ic_notifications = getThemeResource(R.attr.icon_notifications, R.drawable.ic_notifications_black_24dp);
591		int ic_notifications_off = getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp);
592		int ic_notifications_paused = getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp);
593		int ic_notifications_none = getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp);
594
595		long mutedTill = mConversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL, 0);
596		if (mutedTill == Long.MAX_VALUE) {
597			this.binding.notificationStatusText.setText(R.string.notify_never);
598			this.binding.notificationStatusButton.setImageResource(ic_notifications_off);
599		} else if (System.currentTimeMillis() < mutedTill) {
600			this.binding.notificationStatusText.setText(R.string.notify_paused);
601			this.binding.notificationStatusButton.setImageResource(ic_notifications_paused);
602		} else if (mConversation.alwaysNotify()) {
603			this.binding.notificationStatusText.setText(R.string.notify_on_all_messages);
604			this.binding.notificationStatusButton.setImageResource(ic_notifications);
605		} else {
606			this.binding.notificationStatusText.setText(R.string.notify_only_when_highlighted);
607			this.binding.notificationStatusButton.setImageResource(ic_notifications_none);
608		}
609
610		final LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
611		this.binding.mucMembers.removeAllViews();
612		if (inflater == null) {
613			return;
614		}
615		final ArrayList<User> users = mucOptions.getUsers();
616		Collections.sort(users);
617		for (final User user : users) {
618			ContactBinding binding = DataBindingUtil.inflate(inflater, R.layout.contact, this.binding.mucMembers, false);
619			this.setListItemBackgroundOnView(binding.getRoot());
620			binding.getRoot().setOnClickListener(view1 -> highlightInMuc(mConversation, user.getName()));
621			registerForContextMenu(binding.getRoot());
622			binding.getRoot().setTag(user);
623			if (mAdvancedMode && user.getPgpKeyId() != 0) {
624				binding.key.setVisibility(View.VISIBLE);
625				binding.key.setOnClickListener(v -> viewPgpKey(user));
626				binding.key.setText(OpenPgpUtils.convertKeyIdToHex(user.getPgpKeyId()));
627			}
628			Contact contact = user.getContact();
629			String name = user.getName();
630			if (contact != null) {
631				binding.contactDisplayName.setText(contact.getDisplayName());
632				binding.contactJid.setText((name != null ? name + " \u2022 " : "") + getStatus(user));
633			} else {
634				binding.contactDisplayName.setText(name == null ? "" : name);
635				binding.contactJid.setText(getStatus(user));
636
637			}
638			loadAvatar(user, binding.contactPhoto);
639			if (user.getRole() == MucOptions.Role.NONE) {
640				binding.contactJid.setAlpha(INACTIVE_ALPHA);
641				binding.key.setAlpha(INACTIVE_ALPHA);
642				binding.contactDisplayName.setAlpha(INACTIVE_ALPHA);
643				binding.contactPhoto.setAlpha(INACTIVE_ALPHA);
644			}
645			this.binding.mucMembers.addView(binding.getRoot());
646			if (mConversation.getMucOptions().canInvite()) {
647				this.binding.invite.setVisibility(View.VISIBLE);
648			} else {
649				this.binding.invite.setVisibility(View.GONE);
650			}
651		}
652	}
653
654	private String getStatus(User user) {
655		if (mAdvancedMode) {
656			return getString(user.getAffiliation().getResId()) +
657					" (" + getString(user.getRole().getResId()) + ')';
658		} else {
659			return getString(user.getAffiliation().getResId());
660		}
661	}
662
663	private void viewPgpKey(User user) {
664		PgpEngine pgp = xmppConnectionService.getPgpEngine();
665		if (pgp != null) {
666			PendingIntent intent = pgp.getIntentForKey(user.getPgpKeyId());
667			if (intent != null) {
668				try {
669					startIntentSenderForResult(intent.getIntentSender(), 0, null, 0, 0, 0);
670				} catch (SendIntentException ignored) {
671
672				}
673			}
674		}
675	}
676
677	@Override
678	public void onAffiliationChangedSuccessful(Jid jid) {
679		refreshUi();
680	}
681
682	@Override
683	public void onAffiliationChangeFailed(Jid jid, int resId) {
684		displayToast(getString(resId, jid.asBareJid().toString()));
685	}
686
687	@Override
688	public void onRoleChangedSuccessful(String nick) {
689
690	}
691
692	@Override
693	public void onRoleChangeFailed(String nick, int resId) {
694		displayToast(getString(resId, nick));
695	}
696
697	@Override
698	public void onPushSucceeded() {
699		displayToast(getString(R.string.modified_conference_options));
700	}
701
702	@Override
703	public void onPushFailed() {
704		displayToast(getString(R.string.could_not_modify_conference_options));
705	}
706
707	private void displayToast(final String msg) {
708		runOnUiThread(() -> Toast.makeText(ConferenceDetailsActivity.this, msg, Toast.LENGTH_SHORT).show());
709	}
710
711	public void loadAvatar(User user, ImageView imageView) {
712		if (cancelPotentialWork(user, imageView)) {
713			final Bitmap bm = avatarService().get(user, getPixel(48), true);
714			if (bm != null) {
715				cancelPotentialWork(user, imageView);
716				imageView.setImageBitmap(bm);
717				imageView.setBackgroundColor(0x00000000);
718			} else {
719				String seed = user.getRealJid() != null ? user.getRealJid().asBareJid().toString() : null;
720				imageView.setBackgroundColor(UIHelper.getColorForName(seed == null ? user.getName() : seed));
721				imageView.setImageDrawable(null);
722				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
723				final AsyncDrawable asyncDrawable = new AsyncDrawable(getResources(), null, task);
724				imageView.setImageDrawable(asyncDrawable);
725				try {
726					task.execute(user);
727				} catch (final RejectedExecutionException ignored) {
728				}
729			}
730		}
731	}
732
733	static class AsyncDrawable extends BitmapDrawable {
734		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
735
736		AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
737			super(res, bitmap);
738			bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
739		}
740
741		BitmapWorkerTask getBitmapWorkerTask() {
742			return bitmapWorkerTaskReference.get();
743		}
744	}
745
746	class BitmapWorkerTask extends AsyncTask<User, Void, Bitmap> {
747		private final WeakReference<ImageView> imageViewReference;
748		private User o = null;
749
750		private BitmapWorkerTask(ImageView imageView) {
751			imageViewReference = new WeakReference<>(imageView);
752		}
753
754		@Override
755		protected Bitmap doInBackground(User... params) {
756			this.o = params[0];
757			if (imageViewReference.get() == null) {
758				return null;
759			}
760			return avatarService().get(this.o, getPixel(48), isCancelled());
761		}
762
763		@Override
764		protected void onPostExecute(Bitmap bitmap) {
765			if (bitmap != null && !isCancelled()) {
766				final ImageView imageView = imageViewReference.get();
767				if (imageView != null) {
768					imageView.setImageBitmap(bitmap);
769					imageView.setBackgroundColor(0x00000000);
770				}
771			}
772		}
773	}
774
775}