From 48a8076fc064a4df1ff1d11c8999e324974f79c7 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Fri, 17 Sep 2021 20:47:21 +0800
Subject: Rewrite code related to hiding read posts.

---
 .../adapters/PostRecyclerViewAdapter.java          | 76 +---------------------
 .../infinityforreddit/fragments/PostFragment.java  | 18 -----
 2 files changed, 3 insertions(+), 91 deletions(-)

(limited to 'app/src/main')

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostRecyclerViewAdapter.java
index 39762f79..f1438382 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostRecyclerViewAdapter.java
@@ -169,7 +169,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
     private int mVoteAndReplyUnavailableVoteButtonColor;
     private int mPostIconAndInfoColor;
     private int mDividerColor;
-    private int mHideReadPostsIndex = 0;
     private float mScale;
     private boolean mDisplaySubredditName;
     private boolean mVoteButtonsOnTheRight;
@@ -453,16 +452,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
             Post post = getItem(position);
             if (post != null) {
                 if (post.isRead()) {
-                    if ((mHideReadPostsAutomatically && !post.isHiddenManuallyByUser()) || position < mHideReadPostsIndex) {
-                        post.hidePostInRecyclerView();
-                        holder.itemView.setVisibility(View.GONE);
-                        RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) holder.itemView.getLayoutParams();
-                        params.height = 0;
-                        params.topMargin = 0;
-                        params.bottomMargin = 0;
-                        holder.itemView.setLayoutParams(params);
-                        return;
-                    }
                     if (((PostBaseViewHolder) holder).itemViewIsNotCardView) {
                         holder.itemView.setBackgroundColor(mReadPostCardViewBackgroundColor);
                     } else {
@@ -950,14 +939,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
             Post post = getItem(position);
             if (post != null) {
                 if (post.isRead()) {
-                    if ((mHideReadPostsAutomatically && !post.isHiddenManuallyByUser()) || position < mHideReadPostsIndex) {
-                        post.hidePostInRecyclerView();
-                        holder.itemView.setVisibility(View.GONE);
-                        ViewGroup.LayoutParams params = holder.itemView.getLayoutParams();
-                        params.height = 0;
-                        holder.itemView.setLayoutParams(params);
-                        return;
-                    }
                     holder.itemView.setBackgroundColor(mReadPostCardViewBackgroundColor);
                     ((PostCompactBaseViewHolder) holder).titleTextView.setTextColor(mReadPostTitleColor);
                 }
@@ -1280,16 +1261,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
             Post post = getItem(position);
             if (post != null) {
                 if (post.isRead()) {
-                    if ((mHideReadPostsAutomatically && !post.isHiddenManuallyByUser()) || position < mHideReadPostsIndex) {
-                        post.hidePostInRecyclerView();
-                        holder.itemView.setVisibility(View.GONE);
-                        RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) holder.itemView.getLayoutParams();
-                        params.height = 0;
-                        params.topMargin = 0;
-                        params.bottomMargin = 0;
-                        holder.itemView.setLayoutParams(params);
-                        return;
-                    }
                     holder.itemView.setBackgroundTintList(ColorStateList.valueOf(mReadPostCardViewBackgroundColor));
                     ((PostGalleryViewHolder) holder).titleTextView.setTextColor(mReadPostTitleColor);
                 }
@@ -1700,18 +1671,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
         mShowAbsoluteNumberOfVotes = showAbsoluteNumberOfVotes;
     }
 
-    public int getHideReadPostsIndex() {
-        return mHideReadPostsIndex;
-    }
-
-    public void setHideReadPostsIndex(int hideReadPostsIndex) {
-        mHideReadPostsIndex = hideReadPostsIndex;
-    }
-
-    public void prepareToHideReadPosts() {
-        mHideReadPostsIndex = getItemCount();
-    }
-
     public int getNextItemPositionWithoutBeingHidden(int fromPosition) {
         int temp = fromPosition;
         while (temp >= 0 && temp < super.getItemCount()) {
@@ -1813,21 +1772,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
                     ((PostBaseViewHolder) holder).markPostRead(post, false);
                 }
             }
-            holder.itemView.setVisibility(View.VISIBLE);
-            RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) holder.itemView.getLayoutParams();
-            params.height = ViewGroup.LayoutParams.WRAP_CONTENT;
-            if (holder instanceof PostCard2VideoAutoplayViewHolder || holder instanceof PostCard2WithPreviewViewHolder) {
-                int paddingPixel = (int) Utils.convertDpToPixel(16, mActivity);
-                holder.itemView.setPadding(0, paddingPixel, 0, 0);
-            } else if (holder instanceof PostCard2TextTypeViewHolder) {
-                int paddingPixel = (int) Utils.convertDpToPixel(12, mActivity);
-                holder.itemView.setPadding(0, paddingPixel, 0, 0);
-            } else {
-                int marginPixel = (int) Utils.convertDpToPixel(8, mActivity);
-                params.topMargin = marginPixel;
-                params.bottomMargin = marginPixel;
-            }
-            holder.itemView.setLayoutParams(params);
             if (((PostBaseViewHolder) holder).itemViewIsNotCardView) {
                 holder.itemView.setBackgroundColor(mCardViewBackgroundColor);
             } else {
@@ -1902,11 +1846,7 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
                     ((PostCompactBaseViewHolder) holder).markPostRead(post, false);
                 }
             }
-            ((PostCompactBaseViewHolder) holder).itemView.setVisibility(View.VISIBLE);
-            ViewGroup.LayoutParams params = holder.itemView.getLayoutParams();
-            params.height = ViewGroup.LayoutParams.WRAP_CONTENT;
-            holder.itemView.setLayoutParams(params);
-            ((PostCompactBaseViewHolder) holder).itemView.setBackgroundColor(mCardViewBackgroundColor);
+            holder.itemView.setBackgroundColor(mCardViewBackgroundColor);
             ((PostCompactBaseViewHolder) holder).titleTextView.setTextColor(mPostTitleColor);
             mGlide.clear(((PostCompactBaseViewHolder) holder).imageView);
             mGlide.clear(((PostCompactBaseViewHolder) holder).iconGifImageView);
@@ -1937,14 +1877,7 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
                     ((PostGalleryViewHolder) holder).markPostRead(post, false);
                 }
             }
-            ((PostGalleryViewHolder) holder).itemView.setVisibility(View.VISIBLE);
-            RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) holder.itemView.getLayoutParams();
-            params.height = ViewGroup.LayoutParams.WRAP_CONTENT;
-            int marginPixel = (int) Utils.convertDpToPixel(8, mActivity);
-            params.topMargin = marginPixel;
-            params.bottomMargin = marginPixel;
-            holder.itemView.setLayoutParams(params);
-            ((PostGalleryViewHolder) holder).itemView.setBackgroundTintList(ColorStateList.valueOf(mCardViewBackgroundColor));
+            holder.itemView.setBackgroundTintList(ColorStateList.valueOf(mCardViewBackgroundColor));
 
             ((PostGalleryViewHolder) holder).titleTextView.setText("");
             ((PostGalleryViewHolder) holder).titleTextView.setVisibility(View.GONE);
@@ -2636,7 +2569,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
                 if (mActivity != null && mActivity instanceof MarkPostAsReadInterface) {
                     ((MarkPostAsReadInterface) mActivity).markPostAsRead(post);
                 }
-                mFragment.addCurrentlyReadPostId(post.getId());
             }
         }
     }
@@ -3249,7 +3181,7 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
             itemView.setOnLongClickListener(view -> {
                 if (mLongPressToHideToolbarInCompactLayout) {
                     if (bottomConstraintLayout.getLayoutParams().height == 0) {
-                        ViewGroup.LayoutParams params = (LinearLayout.LayoutParams) bottomConstraintLayout.getLayoutParams();
+                        ViewGroup.LayoutParams params = bottomConstraintLayout.getLayoutParams();
                         params.height = LinearLayout.LayoutParams.WRAP_CONTENT;
                         bottomConstraintLayout.setLayoutParams(params);
                         mCallback.delayTransition();
@@ -3621,7 +3553,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
                 if (mActivity != null && mActivity instanceof MarkPostAsReadInterface) {
                     ((MarkPostAsReadInterface) mActivity).markPostAsRead(post);
                 }
-                mFragment.addCurrentlyReadPostId(post.getId());
             }
         }
     }
@@ -3856,7 +3787,6 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
                 if (mActivity != null && mActivity instanceof MarkPostAsReadInterface) {
                     ((MarkPostAsReadInterface) mActivity).markPostAsRead(post);
                 }
-                mFragment.addCurrentlyReadPostId(post.getId());
             }
         }
     }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/PostFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/PostFragment.java
index 307bbd52..5d2af420 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/PostFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/fragments/PostFragment.java
@@ -157,7 +157,6 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
     private static final String IS_IN_LAZY_MODE_STATE = "IILMS";
     private static final String RECYCLER_VIEW_POSITION_STATE = "RVPS";
     private static final String READ_POST_LIST_STATE = "RPLS";
-    private static final String HIDE_READ_POSTS_INDEX_STATE = "HRPIS";
     private static final String POST_FILTER_STATE = "PFS";
     private static final String CONCATENATED_SUBREDDIT_NAMES_STATE = "CSNS";
     private static final String POST_FRAGMENT_ID_STATE = "PFIS";
@@ -253,7 +252,6 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
     private float swipeActionThreshold;
     private ItemTouchHelper touchHelper;
     private ArrayList<ReadPost> readPosts;
-    private Set<String> currentlyReadPostIds = new HashSet<>();
     private Unbinder unbinder;
     private Map<String, String> subredditOrUserIcons = new HashMap<>();
 
@@ -391,13 +389,11 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
         mSwipeRefreshLayout.setOnRefreshListener(this::refresh);
 
         int recyclerViewPosition = 0;
-        int hideReadPostsIndex = 0;
         if (savedInstanceState != null) {
             recyclerViewPosition = savedInstanceState.getInt(RECYCLER_VIEW_POSITION_STATE);
 
             isInLazyMode = savedInstanceState.getBoolean(IS_IN_LAZY_MODE_STATE);
             readPosts = savedInstanceState.getParcelableArrayList(READ_POST_LIST_STATE);
-            hideReadPostsIndex = savedInstanceState.getInt(HIDE_READ_POSTS_INDEX_STATE, 0);
             postFilter = savedInstanceState.getParcelable(POST_FILTER_STATE);
             concatenatedSubredditNames = savedInstanceState.getString(CONCATENATED_SUBREDDIT_NAMES_STATE);
             postFragmentId = savedInstanceState.getLong(POST_FRAGMENT_ID_STATE);
@@ -842,8 +838,6 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
             mPostRecyclerView.scrollToPosition(recyclerViewPosition);
         }
 
-        mAdapter.setHideReadPostsIndex(hideReadPostsIndex);
-
         if (activity instanceof ActivityToolbarInterface) {
             ((ActivityToolbarInterface) activity).displaySortType();
         }
@@ -872,7 +866,6 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
                                         postFilter.allowNSFW = !mSharedPreferences.getBoolean(SharedPreferencesUtils.DISABLE_NSFW_FOREVER, false) && mNsfwAndSpoilerSharedPreferences.getBoolean(accountName + SharedPreferencesUtils.NSFW_BASE, false);
                                     }
                                     this.readPosts = readPostList;
-                                    currentlyReadPostIds.addAll(Lists.transform(readPosts, ReadPost::getId));
                                     initializeAndBindPostViewModel(accessToken);
                                 }
                             });
@@ -1279,9 +1272,6 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
         super.onSaveInstanceState(outState);
         outState.putBoolean(IS_IN_LAZY_MODE_STATE, isInLazyMode);
         outState.putParcelableArrayList(READ_POST_LIST_STATE, readPosts);
-        if (mAdapter != null) {
-            outState.putInt(HIDE_READ_POSTS_INDEX_STATE, mAdapter.getHideReadPostsIndex());
-        }
         if (mLinearLayoutManager != null) {
             outState.putInt(RECYCLER_VIEW_POSITION_STATE, mLinearLayoutManager.findFirstVisibleItemPosition());
         } else if (mStaggeredGridLayoutManager != null) {
@@ -1332,10 +1322,6 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
         }
     }
 
-    public void addCurrentlyReadPostId(String id) {
-        currentlyReadPostIds.add(id);
-    }
-
     @Override
     public void changeNSFW(boolean nsfw) {
         postFilter.allowNSFW = !mSharedPreferences.getBoolean(SharedPreferencesUtils.DISABLE_NSFW_FOREVER, false) && nsfw;
@@ -1492,10 +1478,6 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
 
     @Override
     public void hideReadPosts() {
-        /*if (mAdapter != null) {
-            mAdapter.prepareToHideReadPosts();
-            refreshAdapter();
-        }*/
         mPostViewModel.hideReadPosts();
     }
 
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