Expand header stream, topic textView onLongPress.

Author: jainkuniya

app/src/main/java/com/zulip/android/activities/RecyclerMessageAdapter.java

@@ -475,6 +475,44 @@ public void onBindViewHolder(final RecyclerView.ViewHolder holder, final int pos
                     }
                     messageHeaderHolder.topicTextView.setText(messageHeaderParent.getSubject());
 
+                    //set on long press
+                    messageHeaderHolder.streamTextView.setOnLongClickListener(new View.OnLongClickListener() {
+                        @Override
+                        public boolean onLongClick(View v) {
+                            messageHeaderHolder.streamTextView.setMaxLines(Integer.MAX_VALUE);
+                            messageHeaderHolder.streamTextView.setEllipsize(null);
+                            ((MessageHeaderParent) getItem(position)).setStreamExpanded(true);
+                            return true;
+                        }
+                    });
+
+                    messageHeaderHolder.topicTextView.setOnLongClickListener(new View.OnLongClickListener() {
+                        @Override
+                        public boolean onLongClick(View v) {
+                            messageHeaderHolder.topicTextView.setMaxLines(Integer.MAX_VALUE);
+                            messageHeaderHolder.topicTextView.setEllipsize(null);
+                            ((MessageHeaderParent) getItem(position)).setTopicExpanded(true);
+                            return true;
+                        }
+                    });
+
+                    //if user have expanded, preserve them
+                    if (messageHeaderParent.isStreamExpanded()) {
+                        messageHeaderHolder.streamTextView.setMaxLines(Integer.MAX_VALUE);
+                        messageHeaderHolder.streamTextView.setEllipsize(null);
+                    } else {
+                        messageHeaderHolder.streamTextView.setMaxLines(1);
+                        messageHeaderHolder.streamTextView.setEllipsize(TextUtils.TruncateAt.END);
+                    }
+
+                    if (messageHeaderParent.isTopicExpanded()) {
+                        messageHeaderHolder.topicTextView.setMaxLines(Integer.MAX_VALUE);
+                        messageHeaderHolder.topicTextView.setEllipsize(null);
+                    } else {
+                        messageHeaderHolder.topicTextView.setMaxLines(1);
+                        messageHeaderHolder.topicTextView.setEllipsize(TextUtils.TruncateAt.END);
+                    }
+
                     ViewCompat.setBackgroundTintList(messageHeaderHolder.arrowHead, ColorStateList.valueOf(messageHeaderParent.getColor()));
                     messageHeaderHolder.streamTextView.setBackgroundColor(messageHeaderParent.getColor());
 

app/src/main/java/com/zulip/android/viewholders/MessageHeaderParent.java

@@ -33,6 +33,10 @@ public class MessageHeaderParent {
     //all messages below this header will be of same day as date of this timestamp
     private Date messagesTimestamp;
 
+    //is stream textview max lines is set to 1
+    private boolean isStreamExpanded = false;
+    private boolean isTopicExpanded = false;
+
 
     /**
      * Constructor for the wrapper class.\
@@ -137,6 +141,22 @@ public Date getMessagesTimestamp() {
         return messagesTimestamp;
     }
 
+    public boolean isStreamExpanded() {
+        return isStreamExpanded;
+    }
+
+    public void setStreamExpanded(boolean streamExpanded) {
+        isStreamExpanded = streamExpanded;
+    }
+
+    public boolean isTopicExpanded() {
+        return isTopicExpanded;
+    }
+
+    public void setTopicExpanded(boolean topicExpanded) {
+        isTopicExpanded = topicExpanded;
+    }
+
     public static class MessageHeaderHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
         public TextView streamTextView;
         public TextView topicTextView;

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

@@ -20,7 +20,9 @@
         android:textColor="@color/colorTextPrimary"
         android:textStyle="bold"
         tools:background="@color/colorAccent"
-        tools:text="Short Stream" />
+        tools:text="Short Stream"
+        android:maxLines="1"
+        android:ellipsize="end"/>
 
     <TextView
         android:id="@+id/sep"
@@ -39,7 +41,9 @@
         android:background="@color/messageHeaderBackground"
         android:gravity="center_vertical"
         android:padding="4dp"
-        tools:text="This is a very very very long topic that is so long that it wraps" />
+        tools:text="This is a very very very long topic that is so long that it wraps"
+        android:maxLines="1"
+        android:ellipsize="end"/>
 
     <TextView
         android:id="@+id/timestamp"