diff options
Diffstat (limited to '')
5 files changed, 157 insertions, 80 deletions
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/CommentRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/CommentRecyclerViewAdapter.java index 65f385d7..b03f7930 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/CommentRecyclerViewAdapter.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/CommentRecyclerViewAdapter.java @@ -10,6 +10,7 @@ import android.net.Uri; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; +import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ProgressBar; @@ -52,7 +53,9 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH private static final int VIEW_TYPE_FIRST_LOADING_FAILED = 2; private static final int VIEW_TYPE_NO_COMMENT_PLACEHOLDER = 3; private static final int VIEW_TYPE_COMMENT = 4; - private static final int VIEW_TYPE_LOAD_MORE_COMMENT = 5; + private static final int VIEW_TYPE_LOAD_MORE_CHILD_COMMENTS = 5; + private static final int VIEW_TYPE_IS_LOADING_MORE_COMMENTS = 6; + private static final int VIEW_TYPE_LOAD_MORE_COMMENTS_FAILED = 7; private Activity mActivity; private Retrofit mRetrofit; @@ -63,19 +66,22 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH private ArrayList<CommentData> mVisibleComments; private String mSubredditNamePrefixed; private Locale mLocale; - private UpdatePostInPostFragmentCallback mUpdatePostInPostFragmentCallback; + private CommentRecyclerViewAdapterCallback mCommentRecyclerViewAdapterCallback; private LoadSubredditIconAsyncTask mLoadSubredditIconAsyncTask; private boolean isInitiallyLoading; private boolean isInitiallyLoadingFailed; + private boolean mHasMoreComments; + private boolean loadMoreCommentsFailed; - interface UpdatePostInPostFragmentCallback { + interface CommentRecyclerViewAdapterCallback { void updatePost(Post post); + void retryFetchingMoreComments(); } CommentRecyclerViewAdapter(Activity activity, Retrofit retrofit, Retrofit oauthRetrofit, RequestManager glide, SharedPreferences sharedPreferences, Post post, String subredditNamePrefixed, Locale locale, LoadSubredditIconAsyncTask loadSubredditIconAsyncTask, - UpdatePostInPostFragmentCallback updatePostInPostFragmentCallback) { + CommentRecyclerViewAdapterCallback commentRecyclerViewAdapterCallback) { mActivity = activity; mRetrofit = retrofit; mOauthRetrofit = oauthRetrofit; @@ -86,9 +92,11 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH mSubredditNamePrefixed = subredditNamePrefixed; mLocale = locale; mLoadSubredditIconAsyncTask = loadSubredditIconAsyncTask; - mUpdatePostInPostFragmentCallback = updatePostInPostFragmentCallback; + mCommentRecyclerViewAdapterCallback = commentRecyclerViewAdapterCallback; isInitiallyLoading = true; isInitiallyLoadingFailed = false; + mHasMoreComments = false; + loadMoreCommentsFailed = false; } @Override @@ -109,29 +117,42 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH } } + if(position == mVisibleComments.size() + 1) { + if(mHasMoreComments) { + return VIEW_TYPE_IS_LOADING_MORE_COMMENTS; + } else { + return VIEW_TYPE_LOAD_MORE_COMMENTS_FAILED; + } + } + CommentData comment = mVisibleComments.get(position - 1); if(!comment.isPlaceHolder()) { return VIEW_TYPE_COMMENT; } else { - return VIEW_TYPE_LOAD_MORE_COMMENT; + return VIEW_TYPE_LOAD_MORE_CHILD_COMMENTS; } } @NonNull @Override public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { - if(viewType == VIEW_TYPE_POST_DETAIL) { - return new PostDetailViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_post_detail, parent, false)); - } else if(viewType == VIEW_TYPE_FIRST_LOADING) { - return new LoadCommentsViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_load_comments, parent, false)); - } else if(viewType == VIEW_TYPE_FIRST_LOADING_FAILED) { - return new LoadCommentsFailedViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_load_comments_failed_placeholder, parent, false)); - } else if(viewType == VIEW_TYPE_NO_COMMENT_PLACEHOLDER) { - return new NoCommentViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_no_comment_placeholder, parent, false)); - } else if(viewType == VIEW_TYPE_COMMENT) { - return new CommentViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_comment, parent, false)); - } else { - return new LoadMoreCommentViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_load_more_comments_placeholder, parent, false)); + switch (viewType) { + case VIEW_TYPE_POST_DETAIL: + return new PostDetailViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_post_detail, parent, false)); + case VIEW_TYPE_FIRST_LOADING: + return new LoadCommentsViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_load_comments, parent, false)); + case VIEW_TYPE_FIRST_LOADING_FAILED: + return new LoadCommentsFailedViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_load_comments_failed_placeholder, parent, false)); + case VIEW_TYPE_NO_COMMENT_PLACEHOLDER: + return new NoCommentViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_no_comment_placeholder, parent, false)); + case VIEW_TYPE_COMMENT: + return new CommentViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_comment, parent, false)); + case VIEW_TYPE_LOAD_MORE_CHILD_COMMENTS: + return new LoadMoreChildCommentsViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_load_more_comments_placeholder, parent, false)); + case VIEW_TYPE_IS_LOADING_MORE_COMMENTS: + return new IsLoadingMoreCommentsViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_comment_footer_loading, parent, false)); + default: + return new LoadMoreCommentsFailedViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_comment_footer_error, parent, false)); } } @@ -372,21 +393,23 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH .setColorFilter(ContextCompat.getColor(mActivity, R.color.minusButtonColor), android.graphics.PorterDuff.Mode.SRC_IN); break; } - } else if(holder instanceof LoadMoreCommentViewHolder) { + } else if(holder instanceof LoadMoreChildCommentsViewHolder) { CommentData placeholder; placeholder = mVisibleComments.get(holder.getAdapterPosition() - 1); - ViewGroup.LayoutParams params = ((LoadMoreCommentViewHolder) holder).verticalBlock.getLayoutParams(); + ViewGroup.LayoutParams params = ((LoadMoreChildCommentsViewHolder) holder).verticalBlock.getLayoutParams(); params.width = placeholder.getDepth() * 16; - ((LoadMoreCommentViewHolder) holder).verticalBlock.setLayoutParams(params); + ((LoadMoreChildCommentsViewHolder) holder).verticalBlock.setLayoutParams(params); if(placeholder.isLoadingMoreChildren()) { - ((LoadMoreCommentViewHolder) holder).placeholderTextView.setText(R.string.loading); + ((LoadMoreChildCommentsViewHolder) holder).placeholderTextView.setText(R.string.loading); } else if(placeholder.isLoadMoreChildrenFailed()) { - ((LoadMoreCommentViewHolder) holder).placeholderTextView.setText(R.string.comment_load_more_comments_failed); + ((LoadMoreChildCommentsViewHolder) holder).placeholderTextView.setText(R.string.comment_load_more_comments_failed); } else { - ((LoadMoreCommentViewHolder) holder).placeholderTextView.setText(R.string.comment_load_more_comments); + ((LoadMoreChildCommentsViewHolder) holder).placeholderTextView.setText(R.string.comment_load_more_comments); } + } else if(holder instanceof LoadMoreCommentsFailedViewHolder) { + ((LoadMoreCommentsFailedViewHolder) holder).errorTextView.setText(R.string.post_load_comments_failed); } } @@ -488,7 +511,7 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH notifyItemRangeRemoved(position + 2, allChildrenSize); } - void addComments(ArrayList<CommentData> comments) { + void addComments(ArrayList<CommentData> comments, boolean hasMoreComments) { if(mVisibleComments.size() == 0) { isInitiallyLoading = false; isInitiallyLoadingFailed = false; @@ -502,6 +525,15 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH int sizeBefore = mVisibleComments.size(); mVisibleComments.addAll(comments); notifyItemRangeInserted(sizeBefore + 1, comments.size()); + + if(mHasMoreComments != hasMoreComments) { + if(hasMoreComments) { + notifyItemInserted(mVisibleComments.size() + 1); + } else { + notifyItemRemoved(mVisibleComments.size() + 1); + } + } + mHasMoreComments = hasMoreComments; } void addComment(CommentData comment) { @@ -567,10 +599,17 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH notifyItemChanged(1); } + void loadMoreCommentsFailed() { + loadMoreCommentsFailed = true; + notifyItemChanged(mVisibleComments.size() + 1); + } + @Override public void onViewRecycled(@NonNull RecyclerView.ViewHolder holder) { if (holder instanceof CommentViewHolder) { ((CommentViewHolder) holder).expandButton.setVisibility(View.GONE); + ((CommentViewHolder) holder).upvoteButton.clearColorFilter(); + ((CommentViewHolder) holder).downvoteButton.clearColorFilter(); } } @@ -580,6 +619,10 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH return 2; } + if(mHasMoreComments || loadMoreCommentsFailed) { + return mVisibleComments.size() + 2; + } + return mVisibleComments.size() + 1; } @@ -607,7 +650,7 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH @BindView(R.id.minus_button_item_post_detail) ImageView mDownvoteButton; @BindView(R.id.share_button_item_post_detail) ImageView mShareButton; - public PostDetailViewHolder(@NonNull View itemView) { + PostDetailViewHolder(@NonNull View itemView) { super(itemView); ButterKnife.bind(this, itemView); @@ -648,7 +691,7 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH mScoreTextView.setText(Integer.toString(mPost.getScore() + mPost.getVoteType())); - mUpdatePostInPostFragmentCallback.updatePost(mPost); + mCommentRecyclerViewAdapterCallback.updatePost(mPost); VoteThing.voteThing(mOauthRetrofit, mSharedPreferences, new VoteThing.VoteThingWithoutPositionListener() { @Override @@ -664,7 +707,7 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH mDownvoteButton.clearColorFilter(); mScoreTextView.setText(Integer.toString(mPost.getScore() + mPost.getVoteType())); - mUpdatePostInPostFragmentCallback.updatePost(mPost); + mCommentRecyclerViewAdapterCallback.updatePost(mPost); } @Override @@ -675,7 +718,7 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH mUpvoteButton.setColorFilter(previousUpvoteButtonColorFilter); mDownvoteButton.setColorFilter(previousDownvoteButtonColorFilter); - mUpdatePostInPostFragmentCallback.updatePost(mPost); + mCommentRecyclerViewAdapterCallback.updatePost(mPost); } }, mPost.getFullName(), newVoteType); }); @@ -702,7 +745,7 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH mScoreTextView.setText(Integer.toString(mPost.getScore() + mPost.getVoteType())); - mUpdatePostInPostFragmentCallback.updatePost(mPost); + mCommentRecyclerViewAdapterCallback.updatePost(mPost); VoteThing.voteThing(mOauthRetrofit, mSharedPreferences, new VoteThing.VoteThingWithoutPositionListener() { @Override @@ -718,7 +761,7 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH mUpvoteButton.clearColorFilter(); mScoreTextView.setText(Integer.toString(mPost.getScore() + mPost.getVoteType())); - mUpdatePostInPostFragmentCallback.updatePost(mPost); + mCommentRecyclerViewAdapterCallback.updatePost(mPost); } @Override @@ -729,7 +772,7 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH mUpvoteButton.setColorFilter(previousUpvoteButtonColorFilter); mDownvoteButton.setColorFilter(previousDownvoteButtonColorFilter); - mUpdatePostInPostFragmentCallback.updatePost(mPost); + mCommentRecyclerViewAdapterCallback.updatePost(mPost); } }, mPost.getFullName(), newVoteType); }); @@ -869,11 +912,11 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH } } - class LoadMoreCommentViewHolder extends RecyclerView.ViewHolder { + class LoadMoreChildCommentsViewHolder extends RecyclerView.ViewHolder { @BindView(R.id.vertical_block_item_load_more_comments) View verticalBlock; @BindView(R.id.placeholder_text_view_item_load_more_comments) TextView placeholderTextView; - LoadMoreCommentViewHolder(View itemView) { + LoadMoreChildCommentsViewHolder(View itemView) { super(itemView); ButterKnife.bind(this, itemView); @@ -1055,4 +1098,22 @@ class CommentRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewH super(itemView); } } + + class IsLoadingMoreCommentsViewHolder extends RecyclerView.ViewHolder { + IsLoadingMoreCommentsViewHolder(@NonNull View itemView) { + super(itemView); + } + } + + class LoadMoreCommentsFailedViewHolder extends RecyclerView.ViewHolder { + @BindView(R.id.error_text_view_item_comment_footer_error) TextView errorTextView; + @BindView(R.id.retry_button_item_comment_footer_error) Button retryButton; + + public LoadMoreCommentsFailedViewHolder(@NonNull View itemView) { + super(itemView); + ButterKnife.bind(this, itemView); + + retryButton.setOnClickListener(view -> mCommentRecyclerViewAdapterCallback.retryFetchingMoreComments()); + } + } } diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/PostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/PostRecyclerViewAdapter.java index 655f9d81..1541a233 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/PostRecyclerViewAdapter.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/PostRecyclerViewAdapter.java @@ -608,9 +608,8 @@ class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView.ViewHo } class ErrorViewHolder extends RecyclerView.ViewHolder { - @BindView(R.id.relative_layout_footer_error_item) RelativeLayout relativeLayout; - @BindView(R.id.error_text_view_footer_error_item) TextView errorTextView; - @BindView(R.id.retry_button_footer_error_item) Button retryButton; + @BindView(R.id.error_text_view_item_footer_error) TextView errorTextView; + @BindView(R.id.retry_button_item_footer_error) Button retryButton; ErrorViewHolder(View itemView) { super(itemView); @@ -621,8 +620,6 @@ class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView.ViewHo } class LoadingViewHolder extends RecyclerView.ViewHolder { - @BindView(R.id.progress_bar_footer_progress_bar_item) ProgressBar progressBar; - LoadingViewHolder(@NonNull View itemView) { super(itemView); ButterKnife.bind(this, itemView); diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/SubredditListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/SubredditListingRecyclerViewAdapter.java index b071d6f9..bd1a7690 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/SubredditListingRecyclerViewAdapter.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/SubredditListingRecyclerViewAdapter.java @@ -8,22 +8,22 @@ import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.ImageView; -import android.widget.ProgressBar; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; +import androidx.annotation.NonNull; +import androidx.constraintlayout.widget.ConstraintLayout; +import androidx.paging.PagedListAdapter; +import androidx.recyclerview.widget.DiffUtil; +import androidx.recyclerview.widget.RecyclerView; + import com.bumptech.glide.Glide; import com.bumptech.glide.RequestManager; import com.bumptech.glide.request.RequestOptions; import SubredditDatabase.SubredditData; import SubscribedSubredditDatabase.SubscribedSubredditDao; -import androidx.annotation.NonNull; -import androidx.constraintlayout.widget.ConstraintLayout; -import androidx.paging.PagedListAdapter; -import androidx.recyclerview.widget.DiffUtil; -import androidx.recyclerview.widget.RecyclerView; import butterknife.BindView; import butterknife.ButterKnife; import jp.wasabeef.glide.transformations.RoundedCornersTransformation; @@ -201,9 +201,8 @@ public class SubredditListingRecyclerViewAdapter extends PagedListAdapter<Subred } class ErrorViewHolder extends RecyclerView.ViewHolder { - @BindView(R.id.relative_layout_footer_error_item) RelativeLayout relativeLayout; - @BindView(R.id.error_text_view_footer_error_item) TextView errorTextView; - @BindView(R.id.retry_button_footer_error_item) Button retryButton; + @BindView(R.id.error_text_view_item_footer_error) TextView errorTextView; + @BindView(R.id.retry_button_item_footer_error) Button retryButton; ErrorViewHolder(View itemView) { super(itemView); @@ -214,8 +213,6 @@ public class SubredditListingRecyclerViewAdapter extends PagedListAdapter<Subred } class LoadingViewHolder extends RecyclerView.ViewHolder { - @BindView(R.id.progress_bar_footer_progress_bar_item) ProgressBar progressBar; - LoadingViewHolder(@NonNull View itemView) { super(itemView); ButterKnife.bind(this, itemView); diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/UserListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/UserListingRecyclerViewAdapter.java index 91e6ae4e..8ea69ae9 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/UserListingRecyclerViewAdapter.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/UserListingRecyclerViewAdapter.java @@ -8,22 +8,22 @@ import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.ImageView; -import android.widget.ProgressBar; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; +import androidx.annotation.NonNull; +import androidx.constraintlayout.widget.ConstraintLayout; +import androidx.paging.PagedListAdapter; +import androidx.recyclerview.widget.DiffUtil; +import androidx.recyclerview.widget.RecyclerView; + import com.bumptech.glide.Glide; import com.bumptech.glide.RequestManager; import com.bumptech.glide.request.RequestOptions; import SubscribedUserDatabase.SubscribedUserDao; import User.UserData; -import androidx.annotation.NonNull; -import androidx.constraintlayout.widget.ConstraintLayout; -import androidx.paging.PagedListAdapter; -import androidx.recyclerview.widget.DiffUtil; -import androidx.recyclerview.widget.RecyclerView; import butterknife.BindView; import butterknife.ButterKnife; import jp.wasabeef.glide.transformations.RoundedCornersTransformation; @@ -201,9 +201,8 @@ public class UserListingRecyclerViewAdapter extends PagedListAdapter<UserData, R } class ErrorViewHolder extends RecyclerView.ViewHolder { - @BindView(R.id.relative_layout_footer_error_item) RelativeLayout relativeLayout; - @BindView(R.id.error_text_view_footer_error_item) TextView errorTextView; - @BindView(R.id.retry_button_footer_error_item) Button retryButton; + @BindView(R.id.error_text_view_item_footer_error) TextView errorTextView; + @BindView(R.id.retry_button_item_footer_error) Button retryButton; ErrorViewHolder(View itemView) { super(itemView); @@ -214,8 +213,6 @@ public class UserListingRecyclerViewAdapter extends PagedListAdapter<UserData, R } class LoadingViewHolder extends RecyclerView.ViewHolder { - @BindView(R.id.progress_bar_footer_progress_bar_item) ProgressBar progressBar; - LoadingViewHolder(@NonNull View itemView) { super(itemView); ButterKnife.bind(this, itemView); diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java index fc60b109..cf6ae934 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/ViewPostDetailActivity.java @@ -57,7 +57,9 @@ public class ViewPostDetailActivity extends AppCompatActivity { private boolean isRefreshing = false; private ArrayList<String> children; private int mChildrenStartingIndex = 0; + private boolean loadMoreChildrenSuccess = true; + private LinearLayoutManager mLinearLayoutManager; private CommentRecyclerViewAdapter mAdapter; private LoadSubredditIconAsyncTask mLoadSubredditIconAsyncTask; @@ -91,8 +93,8 @@ public class ViewPostDetailActivity extends AppCompatActivity { mGlide = Glide.with(this); mLocale = getResources().getConfiguration().locale; - mRecyclerView.setNestedScrollingEnabled(false); - mRecyclerView.setLayoutManager(new LinearLayoutManager(this)); + mLinearLayoutManager = new LinearLayoutManager(this); + mRecyclerView.setLayoutManager(mLinearLayoutManager); if(savedInstanceState == null) { orientation = getResources().getConfiguration().orientation; @@ -105,7 +107,20 @@ public class ViewPostDetailActivity extends AppCompatActivity { mAdapter = new CommentRecyclerViewAdapter(ViewPostDetailActivity.this, mRetrofit, mOauthRetrofit, mGlide, mSharedPreferences, mPost, mPost.getSubredditNamePrefixed(), mLocale, mLoadSubredditIconAsyncTask, - post -> EventBus.getDefault().post(new PostUpdateEventToPostList(mPost, postListPosition))); + new CommentRecyclerViewAdapter.CommentRecyclerViewAdapterCallback() { + @Override + public void updatePost(Post post) { + EventBus.getDefault().post(new PostUpdateEventToPostList(mPost, postListPosition)); + } + + @Override + public void retryFetchingMoreComments() { + isLoadingMoreChildren = false; + loadMoreChildrenSuccess = true; + + fetchMoreComments(); + } + }); mRecyclerView.setAdapter(mAdapter); if(savedInstanceState != null) { @@ -133,16 +148,26 @@ public class ViewPostDetailActivity extends AppCompatActivity { String parentId, ArrayList<String> children) { ViewPostDetailActivity.this.children = children; - mAdapter.addComments(expandedComments); + mAdapter.addComments(expandedComments, children.size() != 0); - mRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() { - @Override - public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) { - super.onScrolled(recyclerView, dx, dy); + if(children.size() > 0) { + mRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() { + @Override + public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) { + super.onScrolled(recyclerView, dx, dy); + if(!isLoadingMoreChildren && loadMoreChildrenSuccess) { + int visibleItemCount = mLinearLayoutManager.getChildCount(); + int totalItemCount = mLinearLayoutManager.getItemCount(); + int firstVisibleItemPosition = mLinearLayoutManager.findFirstVisibleItemPosition(); - } - }); + if ((visibleItemCount + firstVisibleItemPosition >= totalItemCount) && firstVisibleItemPosition >= 0) { + fetchMoreComments(); + } + } + } + }); + } /*mCommentProgressbar.setVisibility(View.GONE); @@ -154,7 +179,7 @@ public class ViewPostDetailActivity extends AppCompatActivity { int diff = view.getBottom() - (mNestedScrollView.getHeight() + mNestedScrollView.getScrollY()); if(diff == 0) { - fetchMoreComment(mChildrenStartingIndex); + fetchMoreComments(mChildrenStartingIndex); } } }); @@ -162,7 +187,7 @@ public class ViewPostDetailActivity extends AppCompatActivity { mAdapter = new CommentRecyclerViewAdapter(ViewPostDetailActivity.this, mRetrofit, mOauthRetrofit, mGlide, mSharedPreferences, mPost, - mPost.getSubredditNamePrefixed(), mLocale, new CommentRecyclerViewAdapter.UpdatePostInPostFragmentCallback() { + mPost.getSubredditNamePrefixed(), mLocale, new CommentRecyclerViewAdapter.CommentRecyclerViewAdapterCallback() { @Override public void updatePost(Post post) { EventBus.getDefault().post(new PostUpdateEventToPostList(mPost, postListPosition)); @@ -184,27 +209,27 @@ public class ViewPostDetailActivity extends AppCompatActivity { }); } - private void fetchMoreComment(int startingIndex) { - if(isLoadingMoreChildren) { + void fetchMoreComments() { + if(isLoadingMoreChildren || !loadMoreChildrenSuccess) { return; } isLoadingMoreChildren = true; - FetchComment.fetchMoreComment(mRetrofit, mPost.getSubredditNamePrefixed(), children, startingIndex, + FetchComment.fetchMoreComment(mRetrofit, mPost.getSubredditNamePrefixed(), children, mChildrenStartingIndex, 0, mLocale, new FetchComment.FetchMoreCommentListener() { @Override public void onFetchMoreCommentSuccess(ArrayList<CommentData> expandedComments, int childrenStartingIndex) { - mAdapter.addComments(expandedComments); + mAdapter.addComments(expandedComments, childrenStartingIndex < children.size()); mChildrenStartingIndex = childrenStartingIndex; isLoadingMoreChildren = false; + loadMoreChildrenSuccess = true; } @Override public void onFetchMoreCommentFailed() { isLoadingMoreChildren = false; - Snackbar snackbar = Snackbar.make(mCoordinatorLayout, R.string.post_load_more_comments_failed, Snackbar.LENGTH_INDEFINITE); - snackbar.setAction(R.string.retry, view -> fetchMoreComment(startingIndex)); - snackbar.show(); + loadMoreChildrenSuccess = false; + mAdapter.loadMoreCommentsFailed(); } }); } |