Add PoC for automatically hiding read posts.

Author: Your Name

app/src/main/java/me/ccrama/redditslide/Adapters/SubredditPosts.java

@@ -34,6 +34,7 @@
 import me.ccrama.redditslide.ContentType;
 import me.ccrama.redditslide.Fragments.SubmissionsView;
 import me.ccrama.redditslide.HasSeen;
+import me.ccrama.redditslide.Hidden;
 import me.ccrama.redditslide.LastComments;
 import me.ccrama.redditslide.OfflineSubreddit;
 import me.ccrama.redditslide.PostLoader;
@@ -399,6 +400,14 @@ public void onPostExecute(final List<Submission> submissions) {
         @Override
         protected List<Submission> doInBackground(String... subredditPaginators) {
             if (BuildConfig.DEBUG) LogUtil.v("Loading data");
+            final AsyncTask<Void, Void, Void> hideTask = Hidden.asyncHideQueue();
+            if (hideTask != null) {
+                try {
+                    hideTask.get();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
             if ((!NetworkUtil.isConnected(context) && !Authentication.didOnline)
                     || MainActivity.isRestart) {
                 Log.v(LogUtil.getTag(), "Using offline data");

app/src/main/java/me/ccrama/redditslide/Fragments/MultiredditView.java

@@ -302,7 +302,7 @@ public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                         for (int firstVisibleItem : firstVisibleItems) {
                             pastVisiblesItems = firstVisibleItem;
                             if (SettingValues.scrollSeen && pastVisiblesItems > 0 && SettingValues.storeHistory) {
-                                HasSeen.addSeenScrolling(posts.posts.get(pastVisiblesItems - 1).getFullName());
+                                HasSeen.addSeenScrolling(posts.posts.get(pastVisiblesItems - 1));
                             }
                         }
                     }

app/src/main/java/me/ccrama/redditslide/Fragments/NewsView.java

@@ -582,8 +582,7 @@ public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                                                 && pastVisiblesItems > 0
                                                 && SettingValues.storeHistory) {
                                             HasSeen.addSeenScrolling(
-                                                    posts.posts.get(pastVisiblesItems - 1)
-                                                            .getFullName());
+                                                    posts.posts.get(pastVisiblesItems - 1));
                                         }
                                     }
                                 }

app/src/main/java/me/ccrama/redditslide/Fragments/SubmissionsView.java

@@ -635,8 +635,7 @@ public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                                         if (SettingValues.scrollSeen
                                                 && pastVisiblesItems > 0
                                                 && SettingValues.storeHistory) {
-                                            HasSeen.addSeenScrolling(posts.posts.get(pastVisiblesItems - 1)
-                                                    .getFullName());
+                                            HasSeen.addSeenScrolling(posts.posts.get(pastVisiblesItems - 1));
                                         }
                                     }
                                 }

app/src/main/java/me/ccrama/redditslide/HasSeen.java

@@ -166,11 +166,13 @@ public static void addSeen(String fullname) {
         }
     }
 
-    public static void addSeenScrolling(String fullname) {
+    public static void addSeenScrolling(final Submission submission) {
         ensureInitialized();
-
+        boolean hide = false;
+        String fullname = submission.getFullName();
         if (fullname.contains("t3_")) {
             fullname = fullname.substring(3);
+            hide = true;
         }
 
         hasSeen.add(fullname);
@@ -182,5 +184,8 @@ public static void addSeenScrolling(String fullname) {
             SynccitRead.newVisited.add(fullname);
             SynccitRead.visitedIds.add(fullname);
         }
+        if (hide) {
+            Hidden.addSubmissionToHideQueue(submission);
+        }
     }
 }

app/src/main/java/me/ccrama/redditslide/Hidden.java

@@ -1,18 +1,25 @@
 package me.ccrama.redditslide;
 
 import android.os.AsyncTask;
+import android.util.Log;
+
 import net.dean.jraw.managers.AccountManager;
 import net.dean.jraw.models.Contribution;
 import net.dean.jraw.models.Submission;
 
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
 import java.util.HashSet;
+import java.util.LinkedList;
 import java.util.Set;
 
 /**
  * Created by carlo_000 on 10/16/2015.
  */
 public class Hidden {
     private static final Set<String> id = new HashSet<>();
+    private static final HashMap<String, Submission> hideQueue = new HashMap<>();
 
     private static void setHiddenAsync(boolean hidden, final Submission contribution) {
         new AsyncTask<Void, Void, Void>() {
@@ -43,4 +50,35 @@ public static boolean getHidden(final String fullname) {
         return id.contains(fullname);
     }
 
+    public static void addSubmissionToHideQueue(final Submission submission) {
+        if (hideQueue.containsKey(submission.getFullName())) {
+            return;
+        }
+        Log.i("HideDebug", "Added " + submission.getFullName() + " to hide queue");
+        hideQueue.put(submission.getFullName(), submission);
+    }
+
+    public static AsyncTask<Void, Void, Void> asyncHideQueue() {
+        if (hideQueue.isEmpty()) {
+            return null;
+        }
+
+        final ArrayList<Submission> submissions = new ArrayList<>(hideQueue.values());
+        final Submission firstSubmission = submissions.get(0);
+        final Submission[] remainingSubmissions = submissions.subList(1, submissions.size()).toArray(new Submission[0]);
+        hideQueue.clear();
+
+        return new AsyncTask<Void, Void, Void>() {
+            @Override
+            protected Void doInBackground(Void[] params) {
+                try {
+                    new AccountManager(Authentication.reddit).hide(true, firstSubmission, remainingSubmissions);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                return null;
+            }
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+    }
+
 }