UnreadFragment improvements

app/src/main/java/gr/thmmy/mthmmy/activities/main/unread/UnreadAdapter.java

@@ -20,52 +20,24 @@ import timber.log.Timber;
 class UnreadAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
     private final List<TopicSummary> unreadList;
     private final UnreadFragment.UnreadFragmentInteractionListener mListener;
-    private final MarkReadInteractionListener markReadListener;
-
-    private final int VIEW_TYPE_ITEM = 0;
-    private final int VIEW_TYPE_NADA = 1;
-    private final int VIEW_TYPE_MARK_READ = 2;
 
     UnreadAdapter(@NonNull List<TopicSummary> topicSummaryList,
-                  BaseFragment.FragmentInteractionListener listener,
+                  BaseFragment.FragmentInteractionListener listener) {
-                  MarkReadInteractionListener markReadInteractionListener) {
         this.unreadList = topicSummaryList;
         mListener = (UnreadFragment.UnreadFragmentInteractionListener) listener;
-        markReadListener = markReadInteractionListener;
-    }
-
-    @Override
-    public int getItemViewType(int position) {
-        if (unreadList.get(position).getLastPostDateTime() == null) return VIEW_TYPE_MARK_READ;
-        return unreadList.get(position).getTopicUrl() == null ? VIEW_TYPE_NADA : VIEW_TYPE_ITEM;
     }
 
     @NonNull
     @Override
     public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        if (viewType == VIEW_TYPE_ITEM) {
         View view = LayoutInflater.from(parent.getContext())
                 .inflate(R.layout.fragment_unread_row, parent, false);
         return new ViewHolder(view);
-        } else if (viewType == VIEW_TYPE_NADA) {
-            View view = LayoutInflater.from(parent.getContext())
-                    .inflate(R.layout.fragment_unread_empty_row, parent, false);
-            return new EmptyViewHolder(view);
-        } else if (viewType == VIEW_TYPE_MARK_READ) {
-            View view = LayoutInflater.from(parent.getContext())
-                    .inflate(R.layout.fragment_unread_mark_read_row, parent, false);
-            return new MarkReadViewHolder(view);
-        }
-        return null;
     }
 
     @Override
     public void onBindViewHolder(@NonNull final RecyclerView.ViewHolder holder, final int position) {
         TopicSummary topicSummary = unreadList.get(holder.getAdapterPosition());
-        if (holder instanceof UnreadAdapter.EmptyViewHolder) {
-            final UnreadAdapter.EmptyViewHolder emptyViewHolder = (UnreadAdapter.EmptyViewHolder) holder;
-            emptyViewHolder.text.setText(topicSummary.getLastPostDateTime());
-        } else if (holder instanceof UnreadAdapter.ViewHolder) {
         final UnreadAdapter.ViewHolder viewHolder = (UnreadAdapter.ViewHolder) holder;
 
         viewHolder.mTitleView.setText(topicSummary.getSubject());
@@ -92,19 +64,6 @@ class UnreadAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
                 mListener.onUnreadFragmentInteraction(viewHolder.topic);  //?
             }
         });
-        } else if (holder instanceof UnreadAdapter.MarkReadViewHolder) {
-            final UnreadAdapter.MarkReadViewHolder markReadViewHolder = (UnreadAdapter.MarkReadViewHolder) holder;
-            markReadViewHolder.text.setText(unreadList.get(holder.getAdapterPosition()).getSubject());
-            markReadViewHolder.topic = unreadList.get(holder.getAdapterPosition());
-
-            markReadViewHolder.mView.setOnClickListener(v -> {
-                if (null != mListener) {
-                    // Notify the active callbacks interface (the activity, if the
-                    // fragment is attached to one) that an item has been selected.
-                    markReadListener.onMarkReadInteraction(unreadList.get(holder.getAdapterPosition()).getTopicUrl());
-                }
-            });
-        }
     }
 
     @Override
@@ -127,29 +86,4 @@ class UnreadAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
             mDateTimeView = view.findViewById(R.id.dateTime);
         }
     }
-
-    private static class EmptyViewHolder extends RecyclerView.ViewHolder {
-        final TextView text;
-
-        EmptyViewHolder(View view) {
-            super(view);
-            text = view.findViewById(R.id.text);
-        }
-    }
-
-    private static class MarkReadViewHolder extends RecyclerView.ViewHolder {
-        final View mView;
-        final TextView text;
-        public TopicSummary topic;
-
-        MarkReadViewHolder(View view) {
-            super(view);
-            mView = view;
-            text = view.findViewById(R.id.mark_read);
-        }
-    }
-
-    interface MarkReadInteractionListener {
-        void onMarkReadInteraction(String markReadLinkUrl);
-    }
 }

app/src/main/java/gr/thmmy/mthmmy/activities/main/unread/UnreadFragment.java

@@ -7,14 +7,18 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ProgressBar;
-import android.widget.RelativeLayout;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
@@ -50,9 +54,13 @@ public class UnreadFragment extends BaseFragment {
 
     private MaterialProgressBar progressBar;
     private SwipeRefreshLayout swipeRefreshLayout;
+    private FloatingActionButton markAsReadFAB;
+    private TextView noUnreadTopicsTextView;
+
     private UnreadAdapter unreadAdapter;
 
     private List<TopicSummary> topicSummaries;
+    private String markAsReadUrl = "";
     private int numberOfPages = 0;
     private int loadedPages = 0;
 
@@ -103,15 +111,21 @@ public class UnreadFragment extends BaseFragment {
         final View rootView = inflater.inflate(R.layout.fragment_unread, container, false);
 
         // Set the adapter
-        if (rootView instanceof RelativeLayout) {
+        if (rootView instanceof CoordinatorLayout) {
             progressBar = rootView.findViewById(R.id.progressBar);
-            unreadAdapter = new UnreadAdapter(topicSummaries,
+            noUnreadTopicsTextView = rootView.findViewById(R.id.no_unread_topics);
-                    fragmentInteractionListener, markReadLinkUrl -> {
+            markAsReadFAB = rootView.findViewById(R.id.unread_fab);
-                if (!markReadTask.isRunning() && !unreadTask.isRunning()) {
+
-                    markReadTask = new MarkReadTask();
+            if(topicSummaries.isEmpty()){
-                    markReadTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, markReadLinkUrl);
+                hideMarkAsReadFAB();
+                noUnreadTopicsTextView.setVisibility(View.VISIBLE);
+            }
+            else{
+                noUnreadTopicsTextView.setVisibility(View.INVISIBLE);
+                showMarkAsReadFAB();
             }
-            });
+
+            unreadAdapter = new UnreadAdapter(topicSummaries, fragmentInteractionListener);
 
             CustomRecyclerView recyclerView = rootView.findViewById(R.id.list);
             LinearLayoutManager linearLayoutManager = new LinearLayoutManager(recyclerView.getContext());
@@ -155,20 +169,56 @@ public class UnreadFragment extends BaseFragment {
         void onUnreadFragmentInteraction(TopicSummary topicSummary);
     }
 
+    private void showMarkAsReadFAB() {
+        markAsReadFAB.setOnClickListener(v -> {
+            if (!markReadTask.isRunning() && !unreadTask.isRunning())
+                showMarkAsReadConfirmationDialog();
+        });
+        markAsReadFAB.show();
+        markAsReadFAB.setTag(true);
+    }
+
+    private void hideMarkAsReadFAB() {
+        markAsReadFAB.setOnClickListener(null);
+        markAsReadFAB.hide();
+        markAsReadFAB.setTag(false);
+    }
+
+    private void showMarkAsReadConfirmationDialog() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(), R.style.AppCompatAlertDialogStyle);
+        builder.setTitle("Mark all as read");
+        builder.setMessage("Are you sure that you want to mark ALL topics as read?");
+        builder.setPositiveButton("Yep", (dialogInterface, i) -> {
+            markReadTask = new MarkReadTask();
+            markReadTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, markAsReadUrl);
+        });
+        builder.setNegativeButton("Nope", (dialogInterface, i) -> {});
+        builder.create().show();
+    }
+
     //---------------------------------------ASYNC TASK-----------------------------------
 
     private void onUnreadTaskStarted() {
         progressBar.setVisibility(ProgressBar.VISIBLE);
     }
 
-    private void onUnreadTaskFinished(int resultCode,  ArrayList<TopicSummary> fetchedUnread) {
+    private void onUnreadTaskFinished(int resultCode,  UnreadTaskData unreadTaskData) {
         if (resultCode == NetworkResultCodes.SUCCESSFUL) {
-            if(fetchedUnread!=null && !fetchedUnread.isEmpty()){
+            ArrayList<TopicSummary> fetchedUnread = unreadTaskData.getTopicSummaries();
+            if(!fetchedUnread.isEmpty()){
                 if(loadedPages==0)
                     topicSummaries.clear();
                 topicSummaries.addAll(fetchedUnread);
-                unreadAdapter.notifyDataSetChanged();
+                markAsReadUrl = unreadTaskData.getMarkAsReadUrl();
+                noUnreadTopicsTextView.setVisibility(View.INVISIBLE);
+                showMarkAsReadFAB();
             }
+            else {
+                topicSummaries.clear();
+                hideMarkAsReadFAB();
+                noUnreadTopicsTextView.setVisibility(View.VISIBLE);
+            }
+            unreadAdapter.notifyDataSetChanged();
             loadedPages++;
             if (loadedPages < numberOfPages) {
                 unreadTask = new UnreadTask(this::onUnreadTaskStarted, this::onUnreadTaskFinished);
@@ -191,18 +241,17 @@ public class UnreadFragment extends BaseFragment {
         }
     }
 
-    private class UnreadTask extends NewParseTask<ArrayList<TopicSummary>> {
+    private class UnreadTask extends NewParseTask<UnreadTaskData> {
-
+        UnreadTask(OnTaskStartedListener onTaskStartedListener, OnNetworkTaskFinishedListener<UnreadTaskData> onParseTaskFinishedListener) {
-        UnreadTask(OnTaskStartedListener onTaskStartedListener, OnNetworkTaskFinishedListener<ArrayList<TopicSummary>> onParseTaskFinishedListener) {
             super(onTaskStartedListener, onParseTaskFinishedListener);
         }
 
         @Override
-        protected ArrayList<TopicSummary> parse(Document document, Response response) throws ParseException {
+        protected UnreadTaskData parse(Document document, Response response) throws ParseException {
             Elements unread = document.select("table.bordercolor[cellspacing=1] tr:not(.titlebg)");
             ArrayList<TopicSummary> fetchedTopicSummaries = new ArrayList<>();
+            String markAsReadUrl="";
             if (!unread.isEmpty()) {
-                //topicSummaries.clear();
                 for (Element row : unread) {
                     Elements information = row.select("td");
                     String link = information.last().select("a").first().attr("href");
@@ -222,7 +271,6 @@ public class UnreadFragment extends BaseFragment {
                 Element pagesElement = null, markRead = null;
                 if (topBar != null) {
                     pagesElement = topBar.select("td.middletext").first();
-
                     markRead = document.select("table:not(.bordercolor):not([width])").select("a")
                             .first();
                 }
@@ -236,26 +284,38 @@ public class UnreadFragment extends BaseFragment {
                 }
 
                 if (markRead != null && loadedPages == numberOfPages - 1)
-                    fetchedTopicSummaries.add(new TopicSummary(markRead.attr("href"), markRead.text(), null,
+                    markAsReadUrl = markRead.attr("href");
-                            null));
+
-            } else {
+                return new UnreadTaskData(fetchedTopicSummaries, markAsReadUrl);
-                String message = document.select("table.bordercolor[cellspacing=1]").first().text();
-                if (message.contains("No messages")) { //It's english
-                    message = "No unread posts!";
-                } else { //It's greek
-                    message = "Δεν υπάρχουν μη αναγνωσμένα μηνύματα!";
-                }
-                fetchedTopicSummaries.add(new TopicSummary(null, null, null, message));
             }
-            return fetchedTopicSummaries;
+
+            return new UnreadTaskData(new ArrayList<>(), markAsReadUrl);
         }
 
         @Override
-        protected int getResultCode(Response response, ArrayList<TopicSummary> data) {
+        protected int getResultCode(Response response, UnreadTaskData data) {
             return NetworkResultCodes.SUCCESSFUL;
         }
     }
 
+    private class UnreadTaskData {
+        ArrayList<TopicSummary> topicSummaries;
+        String markAsReadUrl;
+
+        UnreadTaskData(ArrayList<TopicSummary> topicSummaries, String markAsReadUrl){
+            this.topicSummaries = topicSummaries;
+            this.markAsReadUrl = markAsReadUrl;
+        }
+
+        ArrayList<TopicSummary> getTopicSummaries() {
+            return topicSummaries;
+        }
+
+        String getMarkAsReadUrl() {
+            return markAsReadUrl;
+        }
+    }
+
     private class MarkReadTask extends AsyncTask<String, Void, Integer> {
         private static final int SUCCESS = 0;
         private static final int NETWORK_ERROR = 1;

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

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M14,10L2,10v2h12v-2zM14,6L2,6v2h12L14,6zM2,16h8v-2L2,14v2zM21.5,11.5L23,13l-6.99,7 -4.51,-4.5L13,14l3.01,3 5.49,-5.5z"/>
+</vector>

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

@@ -1,8 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main_content"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/background">
+
+    <RelativeLayout
+        android:id="@+id/relativeLayout"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
@@ -17,12 +23,23 @@
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 android:background="@color/background"
-            android:paddingBottom="4dp"
                 android:paddingTop="4dp"
+                android:paddingBottom="4dp"
                 app:layoutManager="LinearLayoutManager"
                 tools:context=".activities.main.unread.UnreadFragment"
-            tools:listitem="@layout/fragment_unread_row"/>
+                tools:listitem="@layout/fragment_unread_row" />
         </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+    </RelativeLayout>
+
+    <TextView
+        android:id="@+id/no_unread_topics"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="invisible"
+        android:text="@string/no_unread_topics"
+        android:textColor="@color/primary_text"
+        app:layout_anchor="@+id/relativeLayout"
+        app:layout_anchorGravity="center" />
 
     <me.zhanghai.android.materialprogressbar.MaterialProgressBar
         android:id="@+id/progressBar"
@@ -35,4 +52,13 @@
         app:mpb_indeterminateTint="@color/accent"
         app:mpb_progressStyle="horizontal"/>
 
-</RelativeLayout>
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/unread_fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_marginEnd="@dimen/fab_margins"
+        android:layout_marginBottom="@dimen/fab_margins"
+        app:layout_behavior="gr.thmmy.mthmmy.utils.ScrollAwareFABBehavior"
+        app:srcCompat="@drawable/ic_mark_as_read" />
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:paddingBottom="6dp"
-    android:paddingLeft="10dp"
-    android:paddingRight="10dp"
-    android:paddingTop="20dp">
-
-    <TextView
-        android:id="@+id/text"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:textAlignment="center"
-        android:textColor="@color/accent"
-        android:textSize="@dimen/big_text" />
-
-</LinearLayout>

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

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical">
-
-    <TextView
-        android:id="@+id/mark_read"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingEnd="10dp"
-        android:paddingStart="10dp"
-        android:paddingTop="7dp"
-        android:paddingBottom="7dp"
-        android:textAlignment="center"
-        android:textColor="@color/accent" />
-</LinearLayout>

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

@@ -23,6 +23,7 @@
     <string name="unread">Unread</string>
     <string name="shoutbox">Shoutbox</string>
     <string name="refresh">Refresh</string>
+    <string name="no_unread_topics">No unread topics!</string>
 
     <!--Login Activity-->
     <string name="thmmy_img_description">thmmy.gr</string>