move view properties to topic view model and fiximprove quotes in the process

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicActivity.java

@@ -180,9 +180,8 @@ public class TopicActivity extends BaseActivity implements TopicTask.TopicTaskOb
         if (!sessionManager.isLoggedIn()) replyFAB.hide();
         else {
             replyFAB.setOnClickListener(view -> {
-                if (sessionManager.isLoggedIn()) {
-                    viewModel.prepareForReply(postsList, topicAdapter.getToQuoteList());
-                }
+                if (sessionManager.isLoggedIn())
+                    viewModel.prepareForReply();
             });
         }
 
@@ -232,12 +231,10 @@ public class TopicActivity extends BaseActivity implements TopicTask.TopicTaskOb
                         }
 
                         progressBar.setVisibility(ProgressBar.GONE);
-                        if (topicTaskResult.getReplyPageUrl() == null) {
+                        if (topicTaskResult.getReplyPageUrl() == null)
                             replyFAB.hide();
-                        } else {
+                        else
                             replyFAB.show();
-                        }
-                        topicAdapter.resetTopic();
                         recyclerView.scrollToPosition(topicTaskResult.getFocusedPostIndex());
                         break;
                     case NETWORK_ERROR:

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicAdapter.java

@@ -33,7 +33,6 @@ import android.widget.TextView;
 
 import com.squareup.picasso.Picasso;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 
@@ -69,23 +68,7 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
     private static int THUMBNAIL_SIZE;
     private final Context context;
     private final OnPostFocusChangeListener postFocusListener;
-    private final ArrayList<Integer> toQuoteList = new ArrayList<>();
     private final List<Post> postsList;
-    /**
-     * Used to hold the state of visibility and other attributes for views that are animated or
-     * otherwise changed. Used in combination with {@link #isUserExtraInfoVisibile} and
-     * {@link #isQuoteButtonChecked}.
-     */
-    private final ArrayList<boolean[]> viewProperties = new ArrayList<>();
-    /**
-     * Index of state indicator in the boolean array. If true user's extra info are expanded and
-     * visible.
-     */
-    private static final int isUserExtraInfoVisibile = 0;
-    /**
-     * Index of state indicator in the boolean array. If true quote button for this post is checked.
-     */
-    private static final int isQuoteButtonChecked = 1;
     private TopicViewModel viewModel;
 
     /**
@@ -100,14 +83,6 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         viewModel = ViewModelProviders.of(context).get(TopicViewModel.class);
 
         THUMBNAIL_SIZE = (int) context.getResources().getDimension(R.dimen.thumbnail_size);
-        for (int i = 0; i < postsList.size(); ++i) {
-            //Initializes properties, array's values will be false by default
-            viewProperties.add(new boolean[3]);
-        }
-    }
-
-    ArrayList<Integer> getToQuoteList() {
-        return toQuoteList;
     }
 
     @Override
@@ -318,7 +293,7 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
             } else holder.cardChildLinear.setBackground(null);
 
             //Avoid's view's visibility recycling
-            if (!currentPost.isDeleted() && viewProperties.get(position)[isUserExtraInfoVisibile]) {
+            if (!currentPost.isDeleted() && viewModel.isUserExtraInfoVisible(holder.getAdapterPosition())) {
                 holder.userExtraInfo.setVisibility(View.VISIBLE);
                 holder.userExtraInfo.setAlpha(1.0f);
 
@@ -357,19 +332,14 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
                 });
                 holder.header.setOnClickListener(v -> {
                     //Clicking the header makes it expand/collapse
-                    boolean[] tmp = viewProperties.get(holder.getAdapterPosition());
-                    tmp[isUserExtraInfoVisibile] = !tmp[isUserExtraInfoVisibile];
-                    viewProperties.set(holder.getAdapterPosition(), tmp);
+                    viewModel.toggleUserInfo(holder.getAdapterPosition());
                     TopicAnimations.animateUserExtraInfoVisibility(holder.username,
                             holder.subject, Color.parseColor("#FFFFFF"),
                             Color.parseColor("#757575"), holder.userExtraInfo);
                 });
                 //Clicking the expanded part of a header (the extra info) makes it collapse
                 holder.userExtraInfo.setOnClickListener(v -> {
-                    boolean[] tmp = viewProperties.get(holder.getAdapterPosition());
-                    tmp[isUserExtraInfoVisibile] = false;
-                    viewProperties.set(holder.getAdapterPosition(), tmp);
-
+                    viewModel.hideUserInfo(holder.getAdapterPosition());
                     TopicAnimations.animateUserExtraInfoVisibility(holder.username,
                             holder.subject, Color.parseColor("#FFFFFF"),
                             Color.parseColor("#757575"), (LinearLayout) v);
@@ -438,25 +408,17 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
             if (!BaseActivity.getSessionManager().isLoggedIn() || !viewModel.canReply()) {
                 holder.quoteToggle.setVisibility(View.GONE);
             } else {
-                if (viewProperties.get(position)[isQuoteButtonChecked])
+                if (viewModel.getToQuoteList().contains(currentPost.getPostIndex()))
                     holder.quoteToggle.setImageResource(R.drawable.ic_format_quote_checked);
                 else
                     holder.quoteToggle.setImageResource(R.drawable.ic_format_quote_unchecked);
                 //Sets graphics behavior
                 holder.quoteToggle.setOnClickListener(view -> {
-                    boolean[] tmp = viewProperties.get(holder.getAdapterPosition());
-                    if (tmp[isQuoteButtonChecked]) {
-                        if (toQuoteList.contains(postsList.indexOf(currentPost))) {
-                            toQuoteList.remove(toQuoteList.indexOf(postsList.indexOf(currentPost)));
-                        } else
-                            Timber.i("An error occurred while trying to exclude post fromtoQuoteList, post wasn't there!");
-                        holder.quoteToggle.setImageResource(R.drawable.ic_format_quote_unchecked);
-                    } else {
-                        toQuoteList.add(postsList.indexOf(currentPost));
+                    viewModel.postIndexToggle(currentPost.getPostIndex());
+                    if (viewModel.getToQuoteList().contains(currentPost.getPostIndex()))
                         holder.quoteToggle.setImageResource(R.drawable.ic_format_quote_checked);
-                    }
-                    tmp[isQuoteButtonChecked] = !tmp[isQuoteButtonChecked];
-                    viewProperties.set(holder.getAdapterPosition(), tmp);
+                    else
+                        holder.quoteToggle.setImageResource(R.drawable.ic_format_quote_unchecked);
                 });
             }
         } else if (currentHolder instanceof QuickReplyViewHolder) {
@@ -536,14 +498,6 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         }
     }
 
-    void resetTopic() {
-        viewProperties.clear();
-        for (int i = 0; i < postsList.size(); ++i) {
-            //Initializes properties, array's values will be false by default
-            viewProperties.add(new boolean[3]);
-        }
-    }
-
     @Override
     public int getItemCount() {
         return postsList.size();

app/src/main/java/gr/thmmy/mthmmy/activities/topic/tasks/PrepareForReply.java

@@ -7,10 +7,8 @@ import org.jsoup.nodes.Document;
 import org.jsoup.select.Selector;
 
 import java.io.IOException;
-import java.util.ArrayList;
 
 import gr.thmmy.mthmmy.base.BaseApplication;
-import gr.thmmy.mthmmy.model.Post;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;
@@ -20,14 +18,12 @@ public class PrepareForReply extends AsyncTask<Integer, Void, PrepareForReplyRes
     private PrepareForReplyCallbacks listener;
     private OnPrepareForReplyFinished finishListener;
     private String replyPageUrl;
-    private ArrayList<Post> postsList;
 
     public PrepareForReply(PrepareForReplyCallbacks listener, OnPrepareForReplyFinished finishListener,
-                           String replyPageUrl, ArrayList<Post> postsList) {
+                           String replyPageUrl) {
         this.listener = listener;
         this.finishListener = finishListener;
         this.replyPageUrl = replyPageUrl;
-        this.postsList = postsList;
     }
 
     @Override
@@ -36,7 +32,7 @@ public class PrepareForReply extends AsyncTask<Integer, Void, PrepareForReplyRes
     }
 
     @Override
-    protected PrepareForReplyResult doInBackground(Integer... quoteList) {
+    protected PrepareForReplyResult doInBackground(Integer... postIndices) {
         String numReplies = null;
         String seqnum = null;
         String sc = null;
@@ -61,11 +57,10 @@ public class PrepareForReply extends AsyncTask<Integer, Void, PrepareForReplyRes
             Timber.e(e, "Prepare failed.");
         }
 
-        for (Integer quotePosition : quoteList) {
+        for (Integer postIndex : postIndices) {
             request = new Request.Builder()
                     .url("https://www.thmmy.gr/smf/index.php?action=quotefast;quote=" +
-                            postsList.get(quotePosition).getPostIndex() +
-                            ";" + "sesc=" + sc + ";xml")
+                           postIndex + ";" + "sesc=" + sc + ";xml")
                     .build();
 
             try {

app/src/main/java/gr/thmmy/mthmmy/viewmodel/TopicViewModel.java

@@ -11,10 +11,10 @@ import java.util.ArrayList;
 import gr.thmmy.mthmmy.activities.settings.SettingsActivity;
 import gr.thmmy.mthmmy.activities.topic.tasks.DeleteTask;
 import gr.thmmy.mthmmy.activities.topic.tasks.EditTask;
-import gr.thmmy.mthmmy.activities.topic.tasks.PrepareForReply;
-import gr.thmmy.mthmmy.activities.topic.tasks.PrepareForReplyResult;
 import gr.thmmy.mthmmy.activities.topic.tasks.PrepareForEditResult;
 import gr.thmmy.mthmmy.activities.topic.tasks.PrepareForEditTask;
+import gr.thmmy.mthmmy.activities.topic.tasks.PrepareForReply;
+import gr.thmmy.mthmmy.activities.topic.tasks.PrepareForReplyResult;
 import gr.thmmy.mthmmy.activities.topic.tasks.ReplyTask;
 import gr.thmmy.mthmmy.activities.topic.tasks.TopicTask;
 import gr.thmmy.mthmmy.activities.topic.tasks.TopicTaskResult;
@@ -29,6 +29,14 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
      */
     private boolean editingPost = false;
     private boolean writingReply = false;
+    /**
+     * A list of {@link Post#getPostIndex()} for building quotes for replying
+     */
+    private ArrayList<Integer> toQuoteList = new ArrayList<>();
+    /**
+     * caches the expand/collapse state of the user extra info in the current page for the recyclerview
+     */
+    private ArrayList<Boolean> isUserExtraInfoVisibile = new ArrayList<>();
     /**
      * holds the adapter position of the post being edited
      */
@@ -77,13 +85,13 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
             loadUrl(topicTaskResult.getValue().getPagesUrls().get(pageRequested));
     }
 
-    public void prepareForReply(ArrayList<Post> postsList, ArrayList<Integer> toQuoteList) {
+    public void prepareForReply() {
         if (topicTaskResult.getValue() == null)
             throw new NullPointerException("Topic task has not finished yet!");
         stopLoading();
         changePage(topicTaskResult.getValue().getPageCount() - 1);
         currentPrepareForReplyTask = new PrepareForReply(prepareForReplyCallbacks, this,
-                topicTaskResult.getValue().getReplyPageUrl(), postsList);
+                topicTaskResult.getValue().getReplyPageUrl());
         currentPrepareForReplyTask.execute(toQuoteList.toArray(new Integer[0]));
     }
 
@@ -98,6 +106,7 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
             includeAppSignature = prefs.getBoolean(SettingsActivity.APP_SIGNATURE_ENABLE_KEY, true);
         }
+        toQuoteList.clear();
         new ReplyTask(replyFinishListener, includeAppSignature).execute(subject, reply,
                 replyForm.getNumReplies(), replyForm.getSeqnum(), replyForm.getSc(), replyForm.getTopic());
     }
@@ -149,6 +158,12 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
     @Override
     public void onTopicTaskCompleted(TopicTaskResult result) {
         topicTaskResult.setValue(result);
+        if (result.getResultCode() == TopicTask.ResultCode.SUCCESS) {
+            isUserExtraInfoVisibile.clear();
+            for (int i = 0; i < result.getNewPostsList().size(); i++) {
+                isUserExtraInfoVisibile.add(false);
+            }
+        }
     }
 
     @Override
@@ -166,6 +181,29 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
 
     // <-------------Just getters, setters and helper methods below here---------------->
 
+    public boolean isUserExtraInfoVisible(int position) {
+        return isUserExtraInfoVisibile.get(position);
+    }
+
+    public void hideUserInfo(int position) {
+        isUserExtraInfoVisibile.set(position, false);
+    }
+
+    public void toggleUserInfo(int position) {
+        isUserExtraInfoVisibile.set(position, !isUserExtraInfoVisibile.get(position));
+    }
+
+    public ArrayList<Integer> getToQuoteList() {
+        return toQuoteList;
+    }
+
+    public void postIndexToggle(Integer postIndex) {
+        if (toQuoteList.contains(postIndex))
+            toQuoteList.remove(postIndex);
+        else
+            toQuoteList.add(postIndex);
+    }
+
     public void setTopicTaskObserver(TopicTask.TopicTaskObserver topicTaskObserver) {
         this.topicTaskObserver = topicTaskObserver;
     }