better node selection (#701)

app/src/main/java/com/m2049r/xmrwallet/NodeFragment.java

@@ -59,6 +59,7 @@ import java.text.NumberFormat;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.Objects;
 import java.util.Set;
 
 import timber.log.Timber;
@@ -214,9 +215,15 @@ public class NodeFragment extends Fragment
             nodeItem.setFavourite(true);
             activityCallback.setFavouriteNodes(nodeList);
         }
-        nodeItem.setSelected(true);
-        activityCallback.setNode(nodeItem); // this marks it as selected & saves it as well
-        nodesAdapter.dataSetChanged(); // to refresh test results
+        AsyncTask.execute(() -> {
+            activityCallback.setNode(nodeItem); // this marks it as selected & saves it as well
+            nodeItem.setSelecting(false);
+            try {
+                Objects.requireNonNull(getActivity()).runOnUiThread(() -> nodesAdapter.allowClick(true));
+            } catch (NullPointerException ex) {
+                // it's ok
+            }
+        });
     }
 
     // open up edit dialog

app/src/main/java/com/m2049r/xmrwallet/data/NodeInfo.java

@@ -36,6 +36,8 @@ import java.util.Comparator;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
+import lombok.Getter;
+import lombok.Setter;
 import okhttp3.HttpUrl;
 import okhttp3.MediaType;
 import okhttp3.OkHttpClient;
@@ -49,12 +51,21 @@ public class NodeInfo extends Node {
     final static public int MIN_MAJOR_VERSION = 14;
     final static public String RPC_VERSION = "2.0";
 
+    @Getter
     private long height = 0;
+    @Getter
     private long timestamp = 0;
+    @Getter
     private int majorVersion = 0;
+    @Getter
     private double responseTime = Double.MAX_VALUE;
+    @Getter
     private int responseCode = 0;
+    @Getter
     private boolean tested = false;
+    @Getter
+    @Setter
+    private boolean selecting = false;
 
     public void clear() {
         height = 0;
@@ -65,10 +76,6 @@ public class NodeInfo extends Node {
         tested = false;
     }
 
-    public boolean isTested() {
-        return tested;
-    }
-
     static public NodeInfo fromString(String nodeString) {
         try {
             return new NodeInfo(nodeString);
@@ -118,26 +125,6 @@ public class NodeInfo extends Node {
         super();
     }
 
-    public long getHeight() {
-        return height;
-    }
-
-    public long getTimestamp() {
-        return timestamp;
-    }
-
-    public int getMajorVersion() {
-        return majorVersion;
-    }
-
-    public double getResponseTime() {
-        return responseTime;
-    }
-
-    public int getResponseCode() {
-        return responseCode;
-    }
-
     public boolean isSuccessful() {
         return (responseCode >= 200) && (responseCode < 300);
     }

app/src/main/java/com/m2049r/xmrwallet/layout/NodeInfoAdapter.java

@@ -112,6 +112,7 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
 
     class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
         final ImageButton ibBookmark;
+        final View pbBookmark;
         final TextView tvName;
         final TextView tvIp;
         final ImageView ivPing;
@@ -120,6 +121,7 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
         ViewHolder(View itemView) {
             super(itemView);
             ibBookmark = itemView.findViewById(R.id.ibBookmark);
+            pbBookmark = itemView.findViewById(R.id.pbBookmark);
             tvName = itemView.findViewById(R.id.tvName);
             tvIp = itemView.findViewById(R.id.tvAddress);
             ivPing = itemView.findViewById(R.id.ivPing);
@@ -161,6 +163,7 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
             itemView.setClickable(itemsClickable);
             itemView.setEnabled(itemsClickable);
             ibBookmark.setClickable(itemsClickable);
+            pbBookmark.setVisibility(nodeItem.isSelecting() ? View.VISIBLE : View.INVISIBLE);
             showStar();
         }
 
@@ -169,7 +172,10 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
             if (listener != null) {
                 int position = getAdapterPosition(); // gets item position
                 if (position != RecyclerView.NO_POSITION) { // Check if an item was deleted, but the user clicked it before the UI removed it
-                    listener.onInteraction(view, nodeItems.get(position));
+                    final NodeInfo node = nodeItems.get(position);
+                    node.setSelecting(true);
+                    allowClick(false);
+                    listener.onInteraction(view, node);
                 }
             }
         }

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

@@ -7,18 +7,31 @@
     android:layout_marginEnd="8dp"
     android:background="@drawable/selector_login">
 
-    <ImageButton
-        android:id="@+id/ibBookmark"
+    <FrameLayout
+        android:id="@+id/flBookmark"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentStart="true"
-        android:layout_centerInParent="true"
-        android:layout_marginStart="8dp"
-        android:layout_marginEnd="8dp"
-        android:padding="12dp"
-        android:background="?android:attr/selectableItemBackgroundBorderless"
-        android:gravity="center"
-        android:src="@drawable/ic_favorite_border_24dp" />
+        android:layout_centerInParent="true">
+
+        <ImageButton
+            android:id="@+id/ibBookmark"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:layout_marginEnd="8dp"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:gravity="center"
+            android:padding="12dp"
+            android:src="@drawable/ic_favorite_border_24dp" />
+
+        <ProgressBar
+            android:id="@+id/pbBookmark"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="invisible" />
+
+    </FrameLayout>
 
     <LinearLayout
         android:id="@+id/llNode"
@@ -28,7 +41,7 @@
         android:layout_centerInParent="true"
         android:layout_margin="8dp"
         android:layout_toStartOf="@+id/ivPing"
-        android:layout_toEndOf="@id/ibBookmark"
+        android:layout_toEndOf="@id/flBookmark"
         android:gravity="start"
         android:orientation="vertical">