Show related messages (parents, replies)

app/src/main/java/ch/dissem/apps/abit/MessageDetailFragment.java

@@ -18,8 +18,10 @@ package ch.dissem.apps.abit;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.support.annotation.IdRes;
 import android.support.v4.app.Fragment;
 import android.support.v7.widget.GridLayoutManager;
+import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.text.util.Linkify;
 import android.view.LayoutInflater;
@@ -47,12 +49,14 @@ import ch.dissem.apps.abit.util.Drawables;
 import ch.dissem.apps.abit.util.Labels;
 import ch.dissem.bitmessage.entity.BitmessageAddress;
 import ch.dissem.bitmessage.entity.Plaintext;
+import ch.dissem.bitmessage.entity.valueobject.InventoryVector;
 import ch.dissem.bitmessage.entity.valueobject.Label;
 import ch.dissem.bitmessage.ports.MessageRepository;
 
 import static android.text.util.Linkify.WEB_URLS;
 import static ch.dissem.apps.abit.util.Constants.BITMESSAGE_ADDRESS_PATTERN;
 import static ch.dissem.apps.abit.util.Constants.BITMESSAGE_URL_SCHEMA;
+import static ch.dissem.apps.abit.util.Strings.normalizeWhitespaces;
 
 
 /**
@@ -143,16 +147,30 @@ public class MessageDetailFragment extends Fragment {
                     removed = true;
                 }
             }
+            MessageRepository messageRepo = Singleton.getMessageRepository(inflater.getContext());
             if (removed) {
                 if (getActivity() instanceof ActionBarListener) {
                     ((ActionBarListener) getActivity()).updateUnread();
                 }
-                Singleton.getMessageRepository(inflater.getContext()).save(item);
+                messageRepo.save(item);
             }
+            List<Plaintext> parents = new ArrayList<>(item.getParents().size());
+            for (InventoryVector parentIV : item.getParents()) {
+                parents.add(messageRepo.getMessage(parentIV));
+            }
+            showRelatedMessages(rootView, R.id.parents, parents);
+            showRelatedMessages(rootView, R.id.responses, messageRepo.findResponses(item));
         }
         return rootView;
     }
 
+    private void showRelatedMessages(View rootView, @IdRes int id, List<Plaintext> messages) {
+        RecyclerView recyclerView = (RecyclerView) rootView.findViewById(R.id.parents);
+        RelatedMessageAdapter adapter = new RelatedMessageAdapter(getActivity(), messages);
+        recyclerView.setAdapter(adapter);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
+    }
+
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         inflater.inflate(R.menu.message, menu);
@@ -211,6 +229,61 @@ public class MessageDetailFragment extends Fragment {
         return false;
     }
 
+    private static class RelatedMessageAdapter extends RecyclerView.Adapter<RelatedMessageAdapter.ViewHolder> {
+        private final List<Plaintext> messages;
+        private final Context ctx;
+
+        private RelatedMessageAdapter(Context ctx, List<Plaintext> messages) {
+            this.messages = messages;
+            this.ctx = ctx;
+        }
+
+        @Override
+        public RelatedMessageAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            Context context = parent.getContext();
+            LayoutInflater inflater = LayoutInflater.from(context);
+
+            // Inflate the custom layout
+            View contactView = inflater.inflate(R.layout.item_message_minimized, parent, false);
+
+            // Return a new holder instance
+            return new RelatedMessageAdapter.ViewHolder(contactView);
+        }
+
+        // Involves populating data into the item through holder
+        @Override
+        public void onBindViewHolder(RelatedMessageAdapter.ViewHolder viewHolder, int position) {
+            // Get the data model based on position
+            Plaintext message = messages.get(position);
+
+            viewHolder.avatar.setImageDrawable(new Identicon(message.getFrom()));
+            viewHolder.status.setImageResource(Assets.getStatusDrawable(message.getStatus()));
+            viewHolder.sender.setText(message.getFrom().toString());
+            viewHolder.extract.setText(normalizeWhitespaces(message.getText()));
+        }
+
+        // Returns the total count of items in the list
+        @Override
+        public int getItemCount() {
+            return messages.size();
+        }
+
+        static class ViewHolder extends RecyclerView.ViewHolder {
+            private final ImageView avatar;
+            private final ImageView status;
+            private final TextView sender;
+            private final TextView extract;
+
+            ViewHolder(View itemView) {
+                super(itemView);
+                avatar = (ImageView) itemView.findViewById(R.id.avatar);
+                status = (ImageView) itemView.findViewById(R.id.status);
+                sender = (TextView) itemView.findViewById(R.id.sender);
+                extract = (TextView) itemView.findViewById(R.id.text);
+            }
+        }
+    }
+
     private static class LabelAdapter extends
         RecyclerView.Adapter<LabelAdapter.ViewHolder> {
 

app/src/main/java/ch/dissem/apps/abit/service/Singleton.java

@@ -42,6 +42,7 @@ import ch.dissem.bitmessage.networking.nio.NioNetworkHandler;
 import ch.dissem.bitmessage.ports.AddressRepository;
 import ch.dissem.bitmessage.ports.MessageRepository;
 import ch.dissem.bitmessage.ports.ProofOfWorkRepository;
+import ch.dissem.bitmessage.utils.ConversationService;
 import ch.dissem.bitmessage.utils.TTL;
 
 import static ch.dissem.bitmessage.utils.UnixTime.DAY;
@@ -51,6 +52,7 @@ import static ch.dissem.bitmessage.utils.UnixTime.DAY;
  */
 public class Singleton {
     private static BitmessageContext bitmessageContext;
+    private static ConversationService conversationService;
     private static MessageListener messageListener;
     private static BitmessageAddress identity;
     private static AndroidProofOfWorkRepository powRepo;
@@ -160,4 +162,16 @@ public class Singleton {
             throw new IllegalArgumentException("Identity expected, but no private key available");
         Singleton.identity = identity;
     }
+
+    public static ConversationService getConversationService(Context ctx) {
+        if (conversationService == null) {
+            final BitmessageContext bmc = getBitmessageContext(ctx);
+            synchronized (Singleton.class) {
+                if (conversationService == null) {
+                    conversationService = new ConversationService(bmc.messages());
+                }
+            }
+        }
+        return conversationService;
+    }
 }

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
+    <item android:top="1dp" android:bottom="1dp">
+        <shape
+            android:shape="rectangle">
+            <stroke android:width="1dp" android:color="#FFDDDDDD" />
+            <solid android:color="#00000000" />
+        </shape>
+    </item>
+</layer-list>

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

@@ -78,12 +78,20 @@
             android:paddingRight="8dp"
             tools:text="Recipient" />
 
+        <android.support.v7.widget.RecyclerView
+            android:id="@+id/parents"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/avatar"
+            android:layout_marginLeft="16dp"
+            android:layout_marginRight="16dp" />
+
         <TextView
             android:id="@+id/text"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_alignParentStart="true"
-            android:layout_below="@+id/avatar"
+            android:layout_below="@+id/parents"
             android:layout_marginLeft="16dp"
             android:layout_marginRight="16dp"
             android:layout_marginTop="32dp"
@@ -98,5 +106,13 @@
             android:layout_below="@+id/text"
             android:layout_marginLeft="16dp"
             android:layout_marginRight="16dp" />
+
+        <android.support.v7.widget.RecyclerView
+            android:id="@+id/responses"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/text"
+            android:layout_marginLeft="16dp"
+            android:layout_marginRight="16dp" />
     </RelativeLayout>
 </ScrollView>

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

@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@drawable/border_bottom">
+
+    <ImageView
+        android:id="@+id/avatar"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true"
+        android:layout_margin="16dp"
+        android:src="@color/colorPrimaryDark"
+        tools:ignore="ContentDescription" />
+
+    <TextView
+        android:id="@+id/sender"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_alignTop="@+id/avatar"
+        android:layout_marginTop="-5dp"
+        android:layout_toEndOf="@+id/avatar"
+        android:ellipsize="end"
+        android:lines="1"
+        android:paddingBottom="0dp"
+        android:paddingLeft="8dp"
+        android:paddingRight="8dp"
+        android:paddingTop="0dp"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:textStyle="bold"
+        tools:text="Sender" />
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_below="@+id/sender"
+        android:layout_toEndOf="@+id/avatar"
+        android:ellipsize="end"
+        android:gravity="center_vertical"
+        android:lines="1"
+        android:paddingBottom="8dp"
+        android:paddingLeft="8dp"
+        android:paddingRight="8dp"
+        android:textAppearance="?android:attr/textAppearanceSmall"
+        tools:text="Text" />
+
+    <ImageView
+        android:id="@+id/status"
+        android:layout_width="24dp"
+        android:layout_height="wrap_content"
+        android:layout_alignBottom="@id/avatar"
+        android:layout_alignEnd="@+id/avatar"
+        android:layout_marginBottom="-8dp"
+        android:layout_marginEnd="-8dp"
+        android:tint="@color/colorAccent"
+        tools:ignore="ContentDescription"
+        tools:src="@drawable/ic_notification_proof_of_work" />
+
+</RelativeLayout>

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

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
+<?xml version="1.0" encoding="utf-8"?><!--
   ~ Copyright 2015 Christian Basler
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
@@ -15,8 +14,7 @@
   ~ limitations under the License.
   -->
 
-<FrameLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -31,11 +29,10 @@
         android:foreground="?attr/selectableItemBackground"
         tools:ignore="UselessParent">
 
-        <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                        xmlns:tools="http://schemas.android.com/tools"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:background="?attr/selectableItemBackground">
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="?attr/selectableItemBackground">
 
             <ImageView
                 android:id="@+id/avatar"
@@ -45,7 +42,7 @@
                 android:layout_alignParentTop="true"
                 android:layout_margin="16dp"
                 android:src="@color/colorPrimaryDark"
-                tools:ignore="ContentDescription"/>
+                tools:ignore="ContentDescription" />
 
             <TextView
                 android:id="@+id/sender"
@@ -63,8 +60,7 @@
                 android:paddingTop="0dp"
                 android:textAppearance="?android:attr/textAppearanceMedium"
                 android:textStyle="bold"
-                tools:text="Sender"
-                />
+                tools:text="Sender" />
 
             <TextView
                 android:id="@+id/subject"
@@ -78,7 +74,7 @@
                 android:paddingLeft="8dp"
                 android:paddingRight="8dp"
                 android:textAppearance="?android:attr/textAppearanceSmall"
-                tools:text="Subject"/>
+                tools:text="Subject" />
 
             <TextView
                 android:id="@+id/text"
@@ -94,7 +90,7 @@
                 android:paddingLeft="8dp"
                 android:paddingRight="8dp"
                 android:textAppearance="?android:attr/textAppearanceSmall"
-                tools:text="Text"/>
+                tools:text="Text" />
 
             <ImageView
                 android:id="@+id/status"
@@ -106,7 +102,7 @@
                 android:layout_marginEnd="-8dp"
                 android:tint="@color/colorAccent"
                 tools:ignore="ContentDescription"
-                tools:src="@drawable/ic_notification_proof_of_work"/>
+                tools:src="@drawable/ic_notification_proof_of_work" />
 
         </RelativeLayout>