Partial support for #264

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

app/build.gradle

@@ -157,7 +157,7 @@ dependencies {
 
     implementation 'com.github.wooplr:Spotlight:1.2.3'
 
-    implementation 'com.github.mario:ChatKit:40a8e9cf69'
+    implementation 'com.github.mario:ChatKit:64c1a2fee1'
 
     implementation 'com.otaliastudios:autocomplete:1.1.0'
 

app/src/main/java/com/nextcloud/talk/adapters/messages/MagicSystemMessageViewHolder.java

@@ -0,0 +1,39 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Mario Danic
+ * Copyright (C) 2017-2018 Mario Danic <mario@lovelyhq.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.nextcloud.talk.adapters.messages;
+
+import android.view.View;
+
+import com.nextcloud.talk.models.json.chat.ChatMessage;
+import com.stfalcon.chatkit.messages.MessageHolders;
+
+public class MagicSystemMessageViewHolder extends MessageHolders.IncomingTextMessageViewHolder<ChatMessage> {
+
+    public MagicSystemMessageViewHolder(View itemView) {
+        super(itemView);
+    }
+
+    @Override
+    public void onBind(ChatMessage message) {
+        super.onBind(message);
+        text.setText(message.getText());
+    }
+}

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

@@ -485,8 +485,10 @@ public class CallNotificationController extends BaseController {
     public void onDestroy() {
         AvatarStatusCodeHolder.getInstance().setStatusCode(0);
         leavingScreen = true;
-        handler.removeCallbacksAndMessages(null);
+        if (handler != null) {
-        handler = null;
+            handler.removeCallbacksAndMessages(null);
+            handler = null;
+        }
         dispose();
         endMediaAndVibratorNotifications();
         super.onDestroy();

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

@@ -62,6 +62,7 @@ import com.nextcloud.talk.R;
 import com.nextcloud.talk.activities.MagicCallActivity;
 import com.nextcloud.talk.adapters.messages.MagicIncomingTextMessageViewHolder;
 import com.nextcloud.talk.adapters.messages.MagicOutcomingTextMessageViewHolder;
+import com.nextcloud.talk.adapters.messages.MagicSystemMessageViewHolder;
 import com.nextcloud.talk.api.NcApi;
 import com.nextcloud.talk.application.NextcloudTalkApplication;
 import com.nextcloud.talk.callbacks.MentionAutocompleteCallback;
@@ -123,7 +124,7 @@ import retrofit2.Response;
 
 @AutoInjector(NextcloudTalkApplication.class)
 public class ChatController extends BaseController implements MessagesListAdapter.OnLoadMoreListener,
-        MessagesListAdapter.Formatter<Date>, MessagesListAdapter.OnMessageLongClickListener {
+        MessagesListAdapter.Formatter<Date>, MessagesListAdapter.OnMessageLongClickListener, MessageHolders.ContentChecker {
     private static final String TAG = "ChatController";
     @Inject
     NcApi ncApi;
@@ -167,6 +168,8 @@ public class ChatController extends BaseController implements MessagesListAdapte
     private boolean isFirstMessagesProcessing = true;
     private boolean isHelloClicked;
 
+    private static final byte CONTENT_TYPE_SYSTEM_MESSAGE = 1;
+
     public ChatController(Bundle args) {
         super(args);
         setHasOptionsMenu(true);
@@ -314,6 +317,10 @@ public class ChatController extends BaseController implements MessagesListAdapte
             messageHolders.setIncomingTextConfig(MagicIncomingTextMessageViewHolder.class, R.layout.item_custom_incoming_text_message);
             messageHolders.setOutcomingTextConfig(MagicOutcomingTextMessageViewHolder.class, R.layout.item_custom_outcoming_text_message);
 
+            messageHolders.registerContentType(CONTENT_TYPE_SYSTEM_MESSAGE, MagicSystemMessageViewHolder.class,
+                    R.layout.item_system_message, MagicSystemMessageViewHolder.class, R.layout.item_system_message,
+                    this);
+
             adapter = new MessagesListAdapter<>(conversationUser.getUserId(), messageHolders, new ImageLoader() {
                 @Override
                 public void loadImage(ImageView imageView, String url) {
@@ -794,7 +801,9 @@ public class ChatController extends BaseController implements MessagesListAdapte
 
                 for (int i = 0; i < chatMessageList.size(); i++) {
                     if (chatMessageList.size() > i + 1) {
-                        if (chatMessageList.get(i + 1).getActorId().equals(chatMessageList.get(i).getActorId()) &&
+                        if (TextUtils.isEmpty(chatMessageList.get(i).getSystemMessage()) &&
+                                TextUtils.isEmpty(chatMessageList.get(i + 1).getSystemMessage()) &&
+                                chatMessageList.get(i + 1).getActorId().equals(chatMessageList.get(i).getActorId()) &&
                                 countGroupedMessages < 4 && DateFormatter.isSameDay(chatMessageList.get(i).getCreatedAt(),
                                 chatMessageList.get(i + 1).getCreatedAt())) {
                             chatMessageList.get(i).setGrouped(true);
@@ -980,4 +989,14 @@ public class ChatController extends BaseController implements MessagesListAdapte
             }
         }
     }
+
+    @Override
+    public boolean hasContentFor(IMessage message, byte type) {
+        switch (type) {
+            case CONTENT_TYPE_SYSTEM_MESSAGE:
+                return !TextUtils.isEmpty(message.getSystemMessage());
+        }
+
+        return false;
+    }
 }

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

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud Talk application
+  ~
+  ~ @author Mario Danic
+  ~ Copyright (C) 2017-2018 Mario Danic <mario@lovelyhq.com>
+  ~
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="8dp"
+                android:layout_marginEnd="16dp"
+                android:layout_marginStart="16dp"
+                android:layout_marginTop="8dp">
+
+    <RelativeLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@id/bubble"
+        android:layout_centerHorizontal="true">
+
+        <TextView
+            android:id="@+id/messageText"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerHorizontal="true"
+            android:gravity="center_horizontal"
+            android:textAlignment="center"
+            android:textColor="@color/colorPrimary"
+            android:textSize="12sp"/>
+
+    </RelativeLayout>
+</RelativeLayout>