Forward & ephemeral messages feature

app/src/main/java/org/linphone/chat/ChatActivity.java

@@ -27,10 +27,13 @@ import android.os.Bundle;
 import android.view.View;
 import android.widget.Toast;
 import java.util.ArrayList;
+import org.linphone.LinphoneManager;
 import org.linphone.R;
 import org.linphone.activities.MainActivity;
 import org.linphone.contacts.ContactAddress;
 import org.linphone.core.Address;
+import org.linphone.core.ChatMessage;
+import org.linphone.core.ChatRoom;
 import org.linphone.core.Factory;
 import org.linphone.core.tools.Log;
 import org.linphone.utils.FileUtils;
@@ -39,6 +42,7 @@ public class ChatActivity extends MainActivity {
     public static final String NAME = "Chat";
 
     private String mSharedText, mSharedFiles;
+    private ChatMessage mForwardMessage;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -212,6 +216,18 @@ public class ChatActivity extends MainActivity {
             mSharedFiles = null;
         }
 
+        if (mForwardMessage != null) {
+            Log.i("[Chat] Found message to forward");
+            ChatRoom room = LinphoneManager.getCore().getChatRoom(peerAddress, localAddress);
+            if (room != null) {
+                Log.i("[Chat] Found chat room in which to forward message");
+                ChatMessage message = room.createForwardMessage(mForwardMessage);
+                message.send();
+                mForwardMessage = null;
+                Log.i("[Chat] Message forwarded");
+            }
+        }
+
         ChatMessagesFragment fragment = new ChatMessagesFragment();
         fragment.setArguments(extras);
         changeFragment(fragment, "Chat room", isChild);
@@ -302,4 +318,21 @@ public class ChatActivity extends MainActivity {
         fragment.setArguments(extras);
         changeFragment(fragment, "Chat room group info", true);
     }
+
+    public void showChatRoomEphemeral(Address peerAddress) {
+        Bundle extras = new Bundle();
+        if (peerAddress != null) {
+            extras.putSerializable("RemoteSipUri", peerAddress.asStringUriOnly());
+        }
+        EphemeralFragment fragment = new EphemeralFragment();
+        fragment.setArguments(extras);
+        changeFragment(fragment, "Chat room ephemeral", true);
+    }
+
+    public void forwardMessage(ChatMessage message) {
+        Log.i("[Chat] Message forwarding enabled");
+        goBack();
+        mForwardMessage = message;
+        Toast.makeText(this, R.string.toast_choose_chat_room_for_sharing, Toast.LENGTH_LONG).show();
+    }
 }

app/src/main/java/org/linphone/chat/ChatMessageViewHolder.java

@@ -27,6 +27,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.net.Uri;
+import android.os.CountDownTimer;
 import android.text.Spanned;
 import android.text.method.LinkMovementMethod;
 import android.view.LayoutInflater;
@@ -81,6 +82,11 @@ public class ChatMessageViewHolder extends RecyclerView.ViewHolder implements Vi
     private final FlexboxLayout multiFileContents;
     private final RelativeLayout singleFileContent;
 
+    private final LinearLayout forwardLayout;
+    private final LinearLayout ephemeralLayout;
+    private final TextView ephemeralCountdown;
+    private CountDownTimer countDownTimer;
+
     public final CheckBox delete;
     public boolean isEditionEnabled;
 
@@ -117,6 +123,11 @@ public class ChatMessageViewHolder extends RecyclerView.ViewHolder implements Vi
         singleFileContent = view.findViewById(R.id.single_content);
         multiFileContents = view.findViewById(R.id.multi_content);
 
+        forwardLayout = view.findViewById(R.id.forward_layout);
+        ephemeralLayout = view.findViewById(R.id.ephemeral_layout);
+        ephemeralCountdown = view.findViewById(R.id.ephemeral_time);
+        countDownTimer = null;
+
         delete = view.findViewById(R.id.delete_event);
     }
 
@@ -141,6 +152,10 @@ public class ChatMessageViewHolder extends RecyclerView.ViewHolder implements Vi
         singleFileContent.setVisibility(View.GONE);
         multiFileContents.setVisibility(View.GONE);
 
+        forwardLayout.setVisibility(message.isForward() ? View.VISIBLE : View.GONE);
+        ephemeralLayout.setVisibility(message.isEphemeral() ? View.VISIBLE : View.GONE);
+        updateEphemeralTimer(message);
+
         ChatMessage.State status = message.getState();
         Address remoteSender = message.getFromAddress();
         String displayName;
@@ -411,4 +426,54 @@ public class ChatMessageViewHolder extends RecyclerView.ViewHolder implements Vi
     private void loadBitmap(String path, ImageView imageView) {
         Glide.with(mContext).load(path).into(imageView);
     }
+
+    private void updateEphemeralTimer(ChatMessage message) {
+        if (!message.isEphemeral()) {
+            if (countDownTimer != null) {
+                countDownTimer.cancel();
+                countDownTimer = null;
+            }
+            return;
+        }
+
+        if (message.getEphemeralExpireTime() == 0) {
+            // This means the message hasn't been read by all participants yet, so the countdown
+            // hasn't started
+            // In this case we simply display the configured value for lifetime
+            ephemeralCountdown.setText(formatLifetime(message.getEphemeralLifetime()));
+            if (countDownTimer != null) {
+                countDownTimer.cancel();
+                countDownTimer = null;
+            }
+        } else {
+            // Countdown has started, display remaining time
+            long remaining = message.getEphemeralExpireTime() - (System.currentTimeMillis() / 1000);
+            ephemeralCountdown.setText(formatLifetime(remaining));
+
+            if (countDownTimer == null) {
+                countDownTimer =
+                        new CountDownTimer(remaining * 1000, 1000) {
+                            @Override
+                            public void onTick(long millisUntilFinished) {
+                                ephemeralCountdown.setText(
+                                        formatLifetime(millisUntilFinished / 1000));
+                            }
+
+                            @Override
+                            public void onFinish() {}
+                        };
+                countDownTimer.start();
+            }
+        }
+    }
+
+    private String formatLifetime(long seconds) {
+        long days = seconds / 86400;
+        if (days == 0) {
+            return String.format(
+                    "%02d:%02d:%02d", seconds / 3600, (seconds % 3600) / 60, (seconds % 60));
+        } else {
+            return mContext.getResources().getQuantityString(R.plurals.days, (int) days, days);
+        }
+    }
 }

app/src/main/java/org/linphone/chat/ChatMessagesAdapter.java

@@ -214,6 +214,30 @@ public class ChatMessagesAdapter extends SelectableAdapter<ChatMessageViewHolder
                     holder.eventMessage.setText(
                             mContext.getString(R.string.device_removed).replace("%s", displayName));
                     break;
+
+                case ConferenceEphemeralMessageDisabled:
+                    holder.eventLayout.setVisibility(View.VISIBLE);
+                    holder.eventMessage.setText(
+                            mContext.getString(R.string.chat_event_ephemeral_disabled));
+                    break;
+                case ConferenceEphemeralMessageEnabled:
+                    holder.eventLayout.setVisibility(View.VISIBLE);
+                    holder.eventMessage.setText(
+                            mContext.getString(R.string.chat_event_ephemeral_enabled)
+                                    .replace(
+                                            "%s",
+                                            formatEphemeralExpiration(
+                                                    event.getEphemeralMessageLifetime())));
+                    break;
+                case ConferenceEphemeralMessageLifetimeChanged:
+                    holder.eventLayout.setVisibility(View.VISIBLE);
+                    holder.eventMessage.setText(
+                            mContext.getString(R.string.chat_event_ephemeral_lifetime_changed)
+                                    .replace(
+                                            "%s",
+                                            formatEphemeralExpiration(
+                                                    event.getEphemeralMessageLifetime())));
+                    break;
                 case ConferenceSecurityEvent:
                     holder.securityEventLayout.setVisibility(View.VISIBLE);
 
@@ -255,6 +279,24 @@ public class ChatMessagesAdapter extends SelectableAdapter<ChatMessageViewHolder
         }
     }
 
+    private String formatEphemeralExpiration(long duration) {
+        if (duration == 0) {
+            return mContext.getString(R.string.chat_room_ephemeral_message_disabled);
+        } else if (duration == 60) {
+            return mContext.getString(R.string.chat_room_ephemeral_message_one_minute);
+        } else if (duration == 3600) {
+            return mContext.getString(R.string.chat_room_ephemeral_message_one_hour);
+        } else if (duration == 86400) {
+            return mContext.getString(R.string.chat_room_ephemeral_message_one_day);
+        } else if (duration == 259200) {
+            return mContext.getString(R.string.chat_room_ephemeral_message_three_days);
+        } else if (duration == 604800) {
+            return mContext.getString(R.string.chat_room_ephemeral_message_one_week);
+        } else {
+            return "Unexpected duration";
+        }
+    }
+
     @Override
     public int getItemCount() {
         return mHistory.size();
@@ -303,6 +345,14 @@ public class ChatMessagesAdapter extends SelectableAdapter<ChatMessageViewHolder
         notifyItemRemoved(i);
     }
 
+    @Override
+    public void removeFromHistory(EventLog eventLog) {
+        int index = mHistory.indexOf(eventLog);
+        if (index >= 0) {
+            removeItem(index);
+        }
+    }
+
     private void changeBackgroundDependingOnPreviousAndNextEvents(
             ChatMessage message, ChatMessageViewHolder holder, int position) {
         boolean hasPrevious = false, hasNext = false;

app/src/main/java/org/linphone/chat/ChatMessagesFragment.java

@@ -50,6 +50,8 @@ import android.widget.CheckBox;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
+import androidx.appcompat.view.menu.MenuBuilder;
+import androidx.appcompat.view.menu.MenuPopupHelper;
 import androidx.core.view.inputmethod.InputConnectionCompat;
 import androidx.core.view.inputmethod.InputContentInfoCompat;
 import androidx.recyclerview.widget.LinearLayoutManager;
@@ -102,8 +104,8 @@ public class ChatMessagesFragment extends Fragment
 
     private ImageView mCallButton;
     private ImageView mBackToCallButton;
-    private ImageView mGroupInfosButton;
+    private ImageView mPopupMenu;
-    private ImageView mAttachImageButton, mSendMessageButton;
+    private ImageView mAttachImageButton, mSendMessageButton, mSendEphemeralIcon;
     private TextView mRoomLabel, mParticipantsLabel, mSipUriLabel, mRemoteComposing;
     private RichEditText mMessageTextToSend;
     private LayoutInflater mInflater;
@@ -153,30 +155,7 @@ public class ChatMessagesFragment extends Fragment
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View view) {
-                        boolean oneParticipantOneDevice = false;
+                        goToDevices();
-                        if (mChatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
-                            ParticipantDevice[] devices =
-                                    mChatRoom.getParticipants()[0].getDevices();
-                            // Only start a call automatically if both ourselves and the remote
-                            // have 1 device exactly, otherwise show devices list.
-                            oneParticipantOneDevice =
-                                    devices.length == 1
-                                            && mChatRoom.getMe().getDevices().length == 1;
-                        }
-
-                        if (LinphonePreferences.instance().isLimeSecurityPopupEnabled()) {
-                            showSecurityDialog(oneParticipantOneDevice);
-                        } else {
-                            if (oneParticipantOneDevice) {
-                                ParticipantDevice device =
-                                        mChatRoom.getParticipants()[0].getDevices()[0];
-                                LinphoneManager.getCallManager()
-                                        .inviteAddress(device.getAddress(), true);
-                            } else {
-                                ((ChatActivity) getActivity())
-                                        .showDevices(mLocalSipAddress, mRemoteSipAddress);
-                            }
-                        }
                     }
                 });
 
@@ -210,35 +189,12 @@ public class ChatMessagesFragment extends Fragment
                     }
                 });
 
-        mGroupInfosButton = view.findViewById(R.id.group_infos);
+        mPopupMenu = view.findViewById(R.id.menu);
-        mGroupInfosButton.setOnClickListener(
+        mPopupMenu.setOnClickListener(
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View view) {
-                        if (mChatRoom == null) return;
+                        showPopupMenu();
-                        ArrayList<ContactAddress> participants = new ArrayList<>();
-                        for (Participant p : mChatRoom.getParticipants()) {
-                            Address a = p.getAddress();
-                            LinphoneContact c =
-                                    ContactsManager.getInstance().findContactFromAddress(a);
-                            if (c == null) {
-                                c = new LinphoneContact();
-                                String displayName = LinphoneUtils.getAddressDisplayName(a);
-                                c.setFullName(displayName);
-                            }
-                            ContactAddress ca =
-                                    new ContactAddress(c, a.asString(), "", p.isAdmin());
-                            participants.add(ca);
-                        }
-
-                        boolean encrypted =
-                                mChatRoom.hasCapability(ChatRoomCapabilities.Encrypted.toInt());
-                        ((ChatActivity) getActivity())
-                                .showChatRoomGroupInfo(
-                                        mRemoteSipAddress,
-                                        participants,
-                                        mChatRoom.getSubject(),
-                                        encrypted);
                     }
                 });
 
@@ -265,8 +221,10 @@ public class ChatMessagesFragment extends Fragment
             mAttachImageButton.setVisibility(View.GONE);
         }
 
+        mSendEphemeralIcon = view.findViewById(R.id.send_ephemeral_message);
         mSendMessageButton = view.findViewById(R.id.send_message);
         mSendMessageButton.setEnabled(false);
+        mSendEphemeralIcon.setEnabled(mSendMessageButton.isEnabled());
         mSendMessageButton.setOnClickListener(
                 new View.OnClickListener() {
                     @Override
@@ -287,6 +245,7 @@ public class ChatMessagesFragment extends Fragment
                         mSendMessageButton.setEnabled(
                                 mMessageTextToSend.getText().length() > 0
                                         || mFilesUploadLayout.getChildCount() > 0);
+                        mSendEphemeralIcon.setEnabled(mSendMessageButton.isEnabled());
                         if (mChatRoom != null && mMessageTextToSend.getText().length() > 0) {
                             if (!getResources().getBoolean(R.bool.allow_multiple_images_and_text)) {
                                 mAttachImageButton.setEnabled(false);
@@ -511,14 +470,9 @@ public class ChatMessagesFragment extends Fragment
             EventLog eventLog = (EventLog) obj;
             eventLog.deleteFromDatabase();
         }
-        if (mChatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
-            ((ChatMessagesGenericAdapter) mChatEventsList.getAdapter())
-                    .refresh(mChatRoom.getHistoryMessageEvents(MESSAGES_PER_PAGE));
-        } else {
         ((ChatMessagesGenericAdapter) mChatEventsList.getAdapter())
                 .refresh(mChatRoom.getHistoryEvents(MESSAGES_PER_PAGE));
     }
-    }
 
     @Override
     public void onCreateContextMenu(
@@ -590,6 +544,10 @@ public class ChatMessagesFragment extends Fragment
             ((ChatActivity) getActivity()).showImdn(mLocalSipAddress, mRemoteSipAddress, messageId);
             return true;
         }
+        if (item.getItemId() == R.id.forward) {
+            ((ChatActivity) getActivity()).forwardMessage(message);
+            return true;
+        }
         if (item.getItemId() == R.id.copy_text) {
             if (message.hasTextContent()) {
                 ClipboardManager clipboard =
@@ -636,27 +594,14 @@ public class ChatMessagesFragment extends Fragment
                 new Runnable() {
                     @Override
                     public void run() {
-                        int maxSize;
+                        int maxSize = mChatRoom.getHistoryEventsSize();
-                        if (mChatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
-                            maxSize = mChatRoom.getHistorySize();
-                        } else {
-                            maxSize = mChatRoom.getHistoryEventsSize();
-                        }
                         if (totalItemsCount < maxSize) {
                             int upperBound = totalItemsCount + MESSAGES_PER_PAGE;
                             if (upperBound > maxSize) {
                                 upperBound = maxSize;
                             }
                             EventLog[] newLogs;
-                            if (mChatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
+                            newLogs = mChatRoom.getHistoryRangeEvents(totalItemsCount, upperBound);
-                                newLogs =
-                                        mChatRoom.getHistoryRangeMessageEvents(
-                                                totalItemsCount, upperBound);
-                            } else {
-                                newLogs =
-                                        mChatRoom.getHistoryRangeEvents(
-                                                totalItemsCount, upperBound);
-                            }
                             ArrayList<EventLog> logsList = new ArrayList<>(Arrays.asList(newLogs));
                             ((ChatMessagesGenericAdapter) mChatEventsList.getAdapter())
                                     .addAllToHistory(logsList);
@@ -722,6 +667,7 @@ public class ChatMessagesFragment extends Fragment
         mMessageTextToSend.setEnabled(false);
         mAttachImageButton.setEnabled(false);
         mSendMessageButton.setEnabled(false);
+        mSendEphemeralIcon.setEnabled(mSendMessageButton.isEnabled());
     }
 
     private void getContactsForParticipants() {
@@ -798,7 +744,15 @@ public class ChatMessagesFragment extends Fragment
 
         if (mChatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
             mCallButton.setVisibility(View.VISIBLE);
-            mGroupInfosButton.setVisibility(View.GONE);
+
+            if (mChatRoom.hasCapability(ChatRoomCapabilities.Basic.toInt())) {
+                mPopupMenu.setVisibility(View.GONE);
+                mSelectionHelper.setEditButtonVisibility(true);
+            } else {
+                mPopupMenu.setVisibility(View.VISIBLE);
+                mSelectionHelper.setEditButtonVisibility(false);
+            }
+
             mParticipantsLabel.setVisibility(View.GONE);
 
             if (mContext.getResources().getBoolean(R.bool.show_sip_uri_in_chat)) {
@@ -827,7 +781,8 @@ public class ChatMessagesFragment extends Fragment
             mSipUriLabel.setText(mRemoteParticipantAddress.asStringUriOnly());
         } else {
             mCallButton.setVisibility(View.GONE);
-            mGroupInfosButton.setVisibility(View.VISIBLE);
+            mPopupMenu.setVisibility(View.VISIBLE);
+            mSelectionHelper.setEditButtonVisibility(false);
             mRoomLabel.setText(mChatRoom.getSubject());
             mParticipantsLabel.setVisibility(View.VISIBLE);
             mSipUriLabel.setVisibility(View.GONE);
@@ -838,6 +793,7 @@ public class ChatMessagesFragment extends Fragment
             mBackToCallButton.setVisibility(View.VISIBLE);
         }
 
+        mSendEphemeralIcon.setVisibility(mChatRoom.ephemeralEnabled() ? View.VISIBLE : View.GONE);
         if (mChatRoom.hasBeenLeft()) {
             setReadOnly();
         }
@@ -1044,6 +1000,7 @@ public class ChatMessagesFragment extends Fragment
                         mSendMessageButton.setEnabled(
                                 mMessageTextToSend.getText().length() > 0
                                         || mFilesUploadLayout.getChildCount() > 0);
+                        mSendEphemeralIcon.setEnabled(mSendMessageButton.isEnabled());
                     }
                 });
 
@@ -1054,6 +1011,7 @@ public class ChatMessagesFragment extends Fragment
             mMessageTextToSend.setEnabled(false);
         }
         mSendMessageButton.setEnabled(true);
+        mSendEphemeralIcon.setEnabled(mSendMessageButton.isEnabled());
     }
 
     private void addImageToPendingList(String path) {
@@ -1083,6 +1041,7 @@ public class ChatMessagesFragment extends Fragment
                         mSendMessageButton.setEnabled(
                                 mMessageTextToSend.getText().length() > 0
                                         || mFilesUploadLayout.getChildCount() > 0);
+                        mSendEphemeralIcon.setEnabled(mSendMessageButton.isEnabled());
                     }
                 });
 
@@ -1093,6 +1052,7 @@ public class ChatMessagesFragment extends Fragment
             mMessageTextToSend.setEnabled(false);
         }
         mSendMessageButton.setEnabled(true);
+        mSendEphemeralIcon.setEnabled(mSendMessageButton.isEnabled());
     }
 
     /** Message sending */
@@ -1160,6 +1120,97 @@ public class ChatMessagesFragment extends Fragment
         mMessageTextToSend.setText("");
     }
 
+    private void showPopupMenu() {
+        MenuBuilder builder = new MenuBuilder(getActivity());
+        MenuPopupHelper popupMenu = new MenuPopupHelper(getActivity(), builder, mPopupMenu);
+        popupMenu.setForceShowIcon(true);
+
+        new MenuInflater(getActivity()).inflate(R.menu.chat_room_menu, builder);
+
+        if (mChatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
+            builder.removeItem(R.id.chat_room_group_info);
+        }
+
+        if (!mChatRoom.hasCapability(ChatRoomCapabilities.Encrypted.toInt())) {
+            builder.removeItem(R.id.chat_room_participants_devices);
+            builder.removeItem(R.id.chat_room_ephemeral_messages);
+        }
+
+        builder.setCallback(
+                new MenuBuilder.Callback() {
+                    @Override
+                    public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
+                        if (item.getItemId() == R.id.chat_room_group_info) {
+                            goToGroupInfo();
+                            return true;
+                        } else if (item.getItemId() == R.id.chat_room_participants_devices) {
+                            goToDevices();
+                            return true;
+                        } else if (item.getItemId() == R.id.chat_room_ephemeral_messages) {
+                            goToEphemeral();
+                            return true;
+                        } else if (item.getItemId() == R.id.chat_room_delete_messages) {
+                            mSelectionHelper.enterEditionMode();
+                            return true;
+                        }
+                        return false;
+                    }
+
+                    @Override
+                    public void onMenuModeChange(MenuBuilder menu) {}
+                });
+
+        popupMenu.show();
+    }
+
+    private void goToDevices() {
+        boolean oneParticipantOneDevice = false;
+        if (mChatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) {
+            ParticipantDevice[] devices = mChatRoom.getParticipants()[0].getDevices();
+            // Only start a call automatically if both ourselves and the remote
+            // have 1 device exactly, otherwise show devices list.
+            oneParticipantOneDevice =
+                    devices.length == 1 && mChatRoom.getMe().getDevices().length == 1;
+        }
+
+        if (LinphonePreferences.instance().isLimeSecurityPopupEnabled()) {
+            showSecurityDialog(oneParticipantOneDevice);
+        } else {
+            if (oneParticipantOneDevice) {
+                ParticipantDevice device = mChatRoom.getParticipants()[0].getDevices()[0];
+                LinphoneManager.getCallManager().inviteAddress(device.getAddress(), true);
+            } else {
+                ((ChatActivity) getActivity()).showDevices(mLocalSipAddress, mRemoteSipAddress);
+            }
+        }
+    }
+
+    private void goToGroupInfo() {
+        if (mChatRoom == null) return;
+        ArrayList<ContactAddress> participants = new ArrayList<>();
+        for (Participant p : mChatRoom.getParticipants()) {
+            Address a = p.getAddress();
+            LinphoneContact c = ContactsManager.getInstance().findContactFromAddress(a);
+            if (c == null) {
+                c = new LinphoneContact();
+                String displayName = LinphoneUtils.getAddressDisplayName(a);
+                c.setFullName(displayName);
+            }
+            ContactAddress ca = new ContactAddress(c, a.asString(), "", p.isAdmin());
+            participants.add(ca);
+        }
+
+        boolean encrypted = mChatRoom.hasCapability(ChatRoomCapabilities.Encrypted.toInt());
+        ((ChatActivity) getActivity())
+                .showChatRoomGroupInfo(
+                        mRemoteSipAddress, participants, mChatRoom.getSubject(), encrypted);
+    }
+
+    private void goToEphemeral() {
+        if (mChatRoom == null) return;
+        ((ChatActivity) getActivity()).showChatRoomEphemeral(mRemoteSipAddress);
+    }
+
     /*
      * Chat room callbacks
      */
@@ -1334,6 +1385,19 @@ public class ChatMessagesFragment extends Fragment
         scrollToBottom();
     }
 
+    @Override
+    public void onEphemeralEvent(ChatRoom chatRoom, EventLog eventLog) {
+        ((ChatMessagesGenericAdapter) mChatEventsList.getAdapter()).addToHistory(eventLog);
+    }
+
+    @Override
+    public void onEphemeralMessageTimerStarted(ChatRoom chatRoom, EventLog eventLog) {}
+
+    @Override
+    public void onEphemeralMessageDeleted(ChatRoom chatRoom, EventLog eventLog) {
+        ((ChatMessagesGenericAdapter) mChatEventsList.getAdapter()).removeFromHistory(eventLog);
+    }
+
     @Override
     public void onParticipantAdminStatusChanged(ChatRoom cr, EventLog event) {
         if (mChatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())) return;

app/src/main/java/org/linphone/chat/ChatMessagesGenericAdapter.java

@@ -37,4 +37,6 @@ interface ChatMessagesGenericAdapter {
     Object getItem(int i);
 
     void removeItem(int i);
+
+    void removeFromHistory(EventLog eventLog);
 }

app/src/main/java/org/linphone/chat/ChatRoomViewHolder.java

@@ -22,6 +22,7 @@ package org.linphone.chat;
 import android.content.Context;
 import android.view.View;
 import android.widget.CheckBox;
+import android.widget.ImageView;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 import androidx.recyclerview.widget.RecyclerView;
@@ -45,6 +46,7 @@ public class ChatRoomViewHolder extends RecyclerView.ViewHolder
     public final TextView unreadMessages;
     public final CheckBox delete;
     private final RelativeLayout avatarLayout;
+    public final ImageView ephemeral;
 
     private final Context mContext;
     private final ClickListener mListener;
@@ -59,6 +61,7 @@ public class ChatRoomViewHolder extends RecyclerView.ViewHolder
         unreadMessages = itemView.findViewById(R.id.unreadMessages);
         delete = itemView.findViewById(R.id.delete_chatroom);
         avatarLayout = itemView.findViewById(R.id.avatar_layout);
+        ephemeral = itemView.findViewById(R.id.ephemeral);
         mListener = listener;
 
         itemView.setOnClickListener(this);
@@ -88,6 +91,7 @@ public class ChatRoomViewHolder extends RecyclerView.ViewHolder
             lastMessageView.setText("");
         }
 
+        ephemeral.setVisibility(room.ephemeralEnabled() ? View.VISIBLE : View.GONE);
         displayName.setText(getContact(room));
         unreadMessages.setText(String.valueOf(room.getUnreadMessagesCount()));
         getAvatar(room);

app/src/main/java/org/linphone/chat/EphemeralFragment.java

@@ -0,0 +1,160 @@
+/*
+ * Copyright (c) 2010-2019 Belledonne Communications SARL.
+ *
+ * This file is part of linphone-android
+ * (see https://www.linphone.org).
+ *
+ * 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 org.linphone.chat;
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import androidx.annotation.Nullable;
+import org.linphone.LinphoneManager;
+import org.linphone.R;
+import org.linphone.core.Address;
+import org.linphone.core.ChatRoom;
+import org.linphone.core.Factory;
+import org.linphone.core.tools.Log;
+
+public class EphemeralFragment extends Fragment {
+    private ChatRoom mChatRoom;
+    private long mCurrentValue;
+
+    private LayoutInflater mInflater;
+    private ViewGroup mContainer;
+    private LinearLayout mItems;
+
+    @Nullable
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        View view = inflater.inflate(R.layout.chat_ephemeral, container, false);
+        mInflater = inflater;
+        mContainer = container;
+
+        if (getArguments() == null || getArguments().isEmpty()) {
+            return null;
+        }
+
+        String address = getArguments().getString("RemoteSipUri");
+        Address peerAddress = null;
+        mChatRoom = null;
+        if (address != null && address.length() > 0) {
+            peerAddress = Factory.instance().createAddress(address);
+        }
+        if (peerAddress != null) {
+            mChatRoom = LinphoneManager.getCore().getChatRoom(peerAddress);
+        }
+        if (mChatRoom == null) {
+            return null;
+        }
+        mCurrentValue = mChatRoom.ephemeralEnabled() ? mChatRoom.getEphemeralLifetime() : 0;
+        Log.i(
+                "[Ephemeral Messages] Current duration is ",
+                mCurrentValue,
+                ", ephemeral enabled? ",
+                mChatRoom.ephemeralEnabled());
+
+        view.findViewById(R.id.back)
+                .setOnClickListener(
+                        new View.OnClickListener() {
+                            @Override
+                            public void onClick(View v) {
+                                getFragmentManager().popBackStack();
+                            }
+                        });
+
+        view.findViewById(R.id.valid)
+                .setOnClickListener(
+                        new View.OnClickListener() {
+                            @Override
+                            public void onClick(View v) {
+                                Log.i("[Ephemeral Messages] Selected value is ", mCurrentValue);
+                                if (mCurrentValue > 0) {
+                                    if (mChatRoom.getEphemeralLifetime() != mCurrentValue) {
+                                        Log.i(
+                                                "[Ephemeral Messages] Setting new lifetime for ephemeral messages to ",
+                                                mCurrentValue);
+                                        mChatRoom.setEphemeralLifetime(mCurrentValue);
+                                    } else {
+                                        Log.i(
+                                                "[Ephemeral Messages] Configured lifetime for ephemeral messages was already ",
+                                                mCurrentValue);
+                                    }
+
+                                    if (!mChatRoom.ephemeralEnabled()) {
+                                        Log.i(
+                                                "[Ephemeral Messages] Ephemeral messages were disabled, enable them");
+                                        mChatRoom.enableEphemeral(true);
+                                    }
+                                } else if (mChatRoom.ephemeralEnabled()) {
+                                    Log.i(
+                                            "[Ephemeral Messages] Ephemeral messages were enabled, disable them");
+                                    mChatRoom.enableEphemeral(false);
+                                }
+
+                                getFragmentManager().popBackStack();
+                            }
+                        });
+
+        mItems = view.findViewById(R.id.items);
+
+        computeItems();
+
+        return view;
+    }
+
+    private View getView(int id, final long value) {
+        View view = mInflater.inflate(R.layout.chat_ephemeral_item, mContainer, false);
+        ((TextView) view.findViewById(R.id.text)).setText(id);
+        ((TextView) view.findViewById(R.id.text))
+                .setTextAppearance(
+                        getActivity(),
+                        mCurrentValue == value
+                                ? R.style.chat_room_ephemeral_selected_item_font
+                                : R.style.chat_room_ephemeral_item_font);
+        view.findViewById(R.id.selected)
+                .setVisibility(mCurrentValue == value ? View.VISIBLE : View.GONE);
+        view.setOnClickListener(
+                new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        if (mCurrentValue != value) {
+                            mCurrentValue = value;
+                            computeItems();
+                        }
+                    }
+                });
+        return view;
+    }
+
+    private void computeItems() {
+        mItems.removeAllViews();
+        mItems.addView(getView(R.string.chat_room_ephemeral_message_disabled, 0));
+        mItems.addView(getView(R.string.chat_room_ephemeral_message_one_minute, 60));
+        mItems.addView(getView(R.string.chat_room_ephemeral_message_one_hour, 3600));
+        mItems.addView(getView(R.string.chat_room_ephemeral_message_one_day, 86400));
+        mItems.addView(getView(R.string.chat_room_ephemeral_message_three_days, 259200));
+        mItems.addView(getView(R.string.chat_room_ephemeral_message_one_week, 604800));
+    }
+}

app/src/main/java/org/linphone/utils/SelectableHelper.java

@@ -187,6 +187,10 @@ public class SelectableHelper {
         return objects;
     }
 
+    public void setEditButtonVisibility(boolean visible) {
+        mEditButton.setVisibility(visible ? View.VISIBLE : View.GONE);
+    }
+
     public interface DeleteListener {
         void onDeleteSelection(Object[] objectsToDelete);
     }

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:src="@drawable/menu_delete_default"
+            android:tint="?attr/drawableTintColor"/>
+    </item>
+</selector>

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:src="@drawable/menu_ephemeral_messages_default"
+            android:tint="?attr/drawableTintColor"/>
+    </item>
+</selector>

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:src="@drawable/menu_group_info_default"
+            android:tint="?attr/drawableTintColor"/>
+    </item>
+</selector>

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:src="@drawable/menu_security_default"
+            android:tint="?attr/drawableTintColor"/>
+    </item>
+</selector>

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

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_enabled="false">
+        <bitmap android:src="@drawable/ephemeral_messages_small_default"
+            android:tint="?attr/drawableTintDisabledColor"/>
+    </item>
+    <item>
+        <bitmap android:src="@drawable/ephemeral_messages_small_default" />
+    </item>
+</selector>
+

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

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true">
+        <bitmap android:src="@drawable/more_menu_default"
+            android:tint="?attr/drawableTintOverColor"/>
+    </item>
+    <item android:state_enabled="false">
+        <bitmap android:src="@drawable/more_menu_default"
+            android:tint="?attr/drawableTintDisabledColor"/>
+    </item>
+    <item>
+        <bitmap android:src="@drawable/more_menu_default"
+            android:tint="?attr/drawableTintColor"/>
+    </item>
+</selector>

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

@@ -79,17 +79,17 @@
                 android:src="@drawable/call_alt_start" />
 
             <ImageView
-                android:id="@+id/group_infos"
+                android:id="@+id/menu"
                 android:layout_width="0dp"
                 android:layout_height="match_parent"
                 android:layout_weight="0.2"
                 android:background="?attr/button_background_drawable"
-                android:contentDescription="@string/content_description_conversation_infos"
                 android:padding="15dp"
-                android:src="@drawable/chat_room_group_infos" />
+                android:src="@drawable/menu_more"/>
 
             <ImageView
                 android:id="@+id/edit"
+                android:visibility="gone"
                 android:layout_width="0dp"
                 android:layout_height="match_parent"
                 android:layout_weight="0.2"
@@ -97,6 +97,7 @@
                 android:contentDescription="@string/content_description_edit_list"
                 android:padding="15dp"
                 android:src="@drawable/delete" />
+
         </LinearLayout>
 
         <include layout="@layout/edit_list" android:visibility="gone" />
@@ -159,14 +160,30 @@
                 android:textColor="@color/black_color"
                 android:textCursorDrawable="@null" />
 
+            <RelativeLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content">
+
                 <ImageView
                     android:id="@+id/send_message"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                android:contentDescription="@string/content_description_send_message"
                     android:padding="5dp"
                     android:src="@drawable/chat_send_message" />
 
+                <ImageView
+                    android:id="@+id/send_ephemeral_message"
+                    android:clickable="false"
+                    android:layout_width="20dp"
+                    android:layout_height="wrap_content"
+                    android:adjustViewBounds="true"
+                    android:layout_alignRight="@id/send_message"
+                    android:layout_alignBottom="@id/send_message"
+                    android:padding="5dp"
+                    android:src="@drawable/chat_send_ephemeral_message" />
+
+            </RelativeLayout>
+
         </LinearLayout>
 
     </LinearLayout>

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

@@ -88,6 +88,31 @@
             android:paddingTop="5dp"
             android:paddingBottom="5dp">
 
+            <LinearLayout
+                android:id="@+id/forward_layout"
+                android:visibility="gone"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:gravity="center_vertical|right"
+                android:layout_marginRight="5dp"
+                android:layout_marginLeft="5dp">
+
+                <ImageView
+                    android:layout_width="15dp"
+                    android:layout_height="wrap_content"
+                    android:adjustViewBounds="true"
+                    android:src="@drawable/forwarded_message_default"
+                    android:layout_marginRight="3dp"/>
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textAppearance="@style/chat_bubble_forward_font"
+                    android:text="@string/chat_message_forwarded" />
+
+            </LinearLayout>
+
             <com.google.android.flexbox.FlexboxLayout
                 xmlns:app="http://schemas.android.com/apk/res-auto"
                 android:id="@+id/multi_content"
@@ -118,6 +143,32 @@
                 android:layout_marginBottom="5dp"
                 android:textAppearance="@style/chat_bubble_message_font" />
 
+            <LinearLayout
+                android:id="@+id/ephemeral_layout"
+                android:visibility="gone"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:layout_gravity="right"
+                android:gravity="center_vertical|right"
+                android:layout_marginRight="5dp"
+                android:layout_marginLeft="5dp">
+
+                <TextView
+                    android:id="@+id/ephemeral_time"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginRight="5dp"
+                    android:textAppearance="@style/chat_bubble_ephemeral_font" />
+
+                <ImageView
+                    android:layout_width="wrap_content"
+                    android:layout_height="13dp"
+                    android:adjustViewBounds="true"
+                    android:src="@drawable/ephemeral_messages_small_default"/>
+
+            </LinearLayout>
+
         </LinearLayout>
 
         <ProgressBar

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

@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:id="@+id/top_bar"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:background="?attr/lighToolbarBackgroundColor"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:id="@+id/back"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="0.2"
+            android:background="?attr/button_background_drawable"
+            android:padding="18dp"
+            android:src="@drawable/back" />
+
+        <TextView
+            style="@style/toolbar_small_title_font"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="0.6"
+            android:gravity="center"
+            android:padding="15dp"
+            android:ellipsize="end"
+            android:singleLine="true"
+            android:text="@string/chat_room_ephemeral_fragment_title" />
+
+        <ImageView
+            android:id="@+id/valid"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="0.2"
+            android:background="?attr/button_background_drawable"
+            android:padding="18dp"
+            android:src="@drawable/valid" />
+
+    </LinearLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@id/top_bar">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:adjustViewBounds="true"
+                android:layout_marginTop="20dp"
+                android:layout_marginBottom="20dp"
+                android:src="@drawable/ephemeral_messages_default" />
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                style="@style/chat_room_ephemeral_desc_font"
+                android:gravity="center"
+                android:layout_marginBottom="20dp"
+                android:layout_marginLeft="20dp"
+                android:layout_marginRight="20dp"
+                android:text="@string/chat_room_ephemeral_messages_desc"/>
+
+            <View
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:layout_alignParentBottom="true"
+                android:background="?attr/dividerColor" />
+
+            <LinearLayout
+                android:id="@+id/items"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:orientation="vertical" />
+
+        </LinearLayout>
+
+    </ScrollView>
+
+</RelativeLayout>

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

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="60dp">
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:text="@string/chat_room_ephemeral_message_disabled"
+        android:layout_marginLeft="20dp"
+        android:layout_toLeftOf="@id/selected"
+        style="@style/chat_room_ephemeral_item_font" />
+
+    <ImageView
+        android:id="@+id/selected"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentRight="true"
+        android:layout_marginRight="20dp"
+        android:layout_centerVertical="true"
+        android:adjustViewBounds="true"
+        android:src="@drawable/check_selected" />
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:layout_alignParentBottom="true"
+        android:background="?attr/dividerColor" />
+
+</RelativeLayout>

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

@@ -90,6 +90,17 @@
 
             </LinearLayout>
 
+            <ImageView
+                android:id="@+id/ephemeral"
+                android:layout_width="20dp"
+                android:layout_height="20dp"
+                android:adjustViewBounds="true"
+                android:layout_alignParentBottom="true"
+                android:layout_alignParentRight="true"
+                android:layout_marginLeft="5dp"
+                android:layout_marginBottom="10dp"
+                android:src="@drawable/ephemeral_messages_small_default"/>
+
         </RelativeLayout>
 
     </LinearLayout>

app/src/main/res/menu/chat_bubble_menu.xml

@@ -5,6 +5,10 @@
         android:id="@+id/copy_text"
         android:title="@string/copy_text" />
 
+    <item
+        android:id="@+id/forward"
+        android:title="@string/chat_message_context_menu_forward" />
+
     <item
         android:id="@+id/imdn_infos"
         android:title="@string/imdn_info" />

app/src/main/res/menu/chat_bubble_menu_with_resend.xml

@@ -9,6 +9,10 @@
         android:id="@+id/copy_text"
         android:title="@string/copy_text" />
 
+    <item
+        android:id="@+id/forward"
+        android:title="@string/chat_message_context_menu_forward" />
+
     <item
         android:id="@+id/imdn_infos"
         android:title="@string/imdn_info" />

app/src/main/res/menu/chat_room_menu.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/chat_room_group_info"
+        android:icon="@drawable/chat_room_menu_group_info"
+        android:title="@string/chat_room_context_menu_group_info" />
+
+    <item
+        android:id="@+id/chat_room_participants_devices"
+        android:icon="@drawable/chat_room_menu_security"
+        android:title="@string/chat_room_context_menu_participants_devices" />
+
+    <item
+        android:id="@+id/chat_room_ephemeral_messages"
+        android:icon="@drawable/chat_room_menu_ephemeral"
+        android:title="@string/chat_message_context_menu_ephemeral_messages" />
+
+    <item
+        android:id="@+id/chat_room_delete_messages"
+        android:icon="@drawable/chat_room_menu_delete"
+        android:title="@string/chat_message_context_menu_delete_messages" />
+
+</menu>

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

@@ -256,6 +256,27 @@
     <string name="toast_choose_chat_room_for_sharing">Select a conversation or create a new one</string>
     <string name="trust_denied">Trust has been denied. Make a call to start the authentication process again.</string>
     <string name="cant_open_file_no_app_found">Can\'t open file, no application available for this format.</string>
+    <string name="chat_message_forwarded">Forwarded</string>
+    <string name="chat_room_context_menu_group_info">Group info</string>
+    <string name="chat_room_context_menu_participants_devices">Conversation\'s devices</string>
+    <string name="chat_message_context_menu_ephemeral_messages">Ephemeral messages</string>
+    <string name="chat_message_context_menu_delete_messages">Delete messages</string>
+    <string name="chat_message_context_menu_forward">Forward</string>
+    <string name="chat_room_ephemeral_fragment_title">Ephemeral messages</string>
+    <string name="chat_room_ephemeral_messages_desc">This message will be deleted on both ends once it has been read and after the selected timeout.</string>
+    <string name="chat_room_ephemeral_message_disabled">Disabled</string>
+    <string name="chat_room_ephemeral_message_one_minute">1 minute</string>
+    <string name="chat_room_ephemeral_message_one_hour">1 hour</string>
+    <string name="chat_room_ephemeral_message_one_day">1 day</string>
+    <string name="chat_room_ephemeral_message_three_days">3 days</string>
+    <string name="chat_room_ephemeral_message_one_week">1 week</string>
+    <plurals name="days">
+        <item quantity="one">%d day</item>
+        <item quantity="other">%d days</item>
+    </plurals>
+    <string name="chat_event_ephemeral_disabled">You disabled ephemeral messages</string>
+    <string name="chat_event_ephemeral_enabled">You enabled ephemeral messages: %s</string>
+    <string name="chat_event_ephemeral_lifetime_changed">Ephemeral messages expiry date: %s</string>
 
     <!-- Status Bar -->
     <string name="status_connected">Connected</string>

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

@@ -101,6 +101,39 @@
         <item name="android:lineSpacingExtra">0sp</item>
     </style>
 
+    <style name="chat_bubble_forward_font" parent="@android:style/TextAppearance.Small">
+        <item name="android:textColor">@color/chat_bubble_text_color</item>
+        <item name="android:textSize">10sp</item>
+        <item name="android:fontFamily">sans-serif</item>
+        <item name="android:textStyle">normal</item>
+        <item name="android:lineSpacingExtra">3.3sp</item>
+    </style>
+
+    <style name="chat_bubble_ephemeral_font" parent="@android:style/TextAppearance.Small">
+        <item name="android:textColor">@color/primary_color</item>
+        <item name="android:textSize">10sp</item>
+        <item name="android:fontFamily">sans-serif</item>
+        <item name="android:textStyle">normal</item>
+        <item name="android:lineSpacingExtra">3.3sp</item>
+    </style>
+
+    <style name="chat_room_ephemeral_desc_font" parent="android:style/TextAppearance.Large">
+        <item name="android:textColor">?attr/primaryTextColor</item>
+        <item name="android:textSize">20sp</item>
+    </style>
+
+    <style name="chat_room_ephemeral_item_font" parent="android:style/TextAppearance.Large">
+        <item name="android:textColor">?attr/primaryTextColor</item>
+        <item name="android:textStyle">normal</item>
+        <item name="android:textSize">20sp</item>
+    </style>
+
+    <style name="chat_room_ephemeral_selected_item_font" parent="android:style/TextAppearance.Large">
+        <item name="android:textColor">?attr/primaryTextColor</item>
+        <item name="android:textStyle">bold</item>
+        <item name="android:textSize">20sp</item>
+    </style>
+
     <style name="chat_bubble_message_font" parent="@android:style/TextAppearance.Medium">
         <item name="android:textColor">@color/dark_grey_color</item>
         <item name="android:textSize">15sp</item>