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Code Issues Packages Projects Releases Wiki Activity

Refactor onFetchMoreCommentFailed callback (#1263)

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Unified branches, extracted repeatedly used expressions.

Fortunately both branches had the same logic, except for placeholder position hint calculation.
This commit is contained in:
Sergei Kozelko 2022-12-09 15:40:21 +08:00 committed by GitHub
parent 282817c192
commit 56ac5ad6d6
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1 changed files with 36 additions and 40 deletions
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76
app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java
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@ -736,44 +736,28 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
@Override
public void onFetchMoreCommentFailed() {
if (parentPosition < mVisibleComments.size()
&& parentComment.getFullName().equals(mVisibleComments.get(parentPosition).getFullName())) {
if (mVisibleComments.get(parentPosition).isExpanded()) {
int commentPosition = mIsSingleCommentThreadMode ? holder.getBindingAdapterPosition() - 1 : holder.getBindingAdapterPosition();
int placeholderPosition = findLoadMoreCommentsPlaceholderPosition(parentComment.getFullName(), commentPosition);
if (placeholderPosition != -1) {
mVisibleComments.get(placeholderPosition).setLoadingMoreChildren(false);
mVisibleComments.get(placeholderPosition).setLoadMoreChildrenFailed(true);
}
((LoadMoreChildCommentsViewHolder) holder).placeholderTextView.setText(R.string.comment_load_more_comments_failed);
}
mVisibleComments.get(parentPosition).getChildren().get(mVisibleComments.get(parentPosition).getChildren().size() - 1)
.setLoadingMoreChildren(false);
mVisibleComments.get(parentPosition).getChildren().get(mVisibleComments.get(parentPosition).getChildren().size() - 1)
.setLoadMoreChildrenFailed(true);
} else {
for (int i = 0; i < mVisibleComments.size(); i++) {
if (mVisibleComments.get(i).getFullName().equals(parentComment.getFullName())) {
if (mVisibleComments.get(i).isExpanded()) {
int placeholderPositionHint = i + mVisibleComments.get(i).getChildren().size();
int placeholderPosition = findLoadMoreCommentsPlaceholderPosition(parentComment.getFullName(), placeholderPositionHint);
if (placeholderPosition != -1) {
mVisibleComments.get(placeholderPosition).setLoadingMoreChildren(false);
mVisibleComments.get(placeholderPosition).setLoadMoreChildrenFailed(true);
}
((LoadMoreChildCommentsViewHolder) holder).placeholderTextView.setText(R.string.comment_load_more_comments_failed);
}
mVisibleComments.get(i).getChildren().get(mVisibleComments.get(i).getChildren().size() - 1).setLoadingMoreChildren(false);
mVisibleComments.get(i).getChildren().get(mVisibleComments.get(i).getChildren().size() - 1).setLoadMoreChildrenFailed(true);
break;
}
}
int currentParentPosition = findCommentPosition(parentComment.getFullName(), parentPosition);
if (currentParentPosition == -1) {
// note: returning here is probably a mistake, because
// parent is just not visible, but it can still exist in the comments tree.
return;
}
Comment currentParentComment = mVisibleComments.get(currentParentPosition);
if (currentParentComment.isExpanded()) {
int placeholderPositionHint = currentParentPosition + currentParentComment.getChildren().size();
int placeholderPosition = findLoadMoreCommentsPlaceholderPosition(parentComment.getFullName(), placeholderPositionHint);
if (placeholderPosition != -1) {
mVisibleComments.get(placeholderPosition).setLoadingMoreChildren(false);
mVisibleComments.get(placeholderPosition).setLoadMoreChildrenFailed(true);
}
((LoadMoreChildCommentsViewHolder) holder).placeholderTextView.setText(R.string.comment_load_more_comments_failed);
}
currentParentComment.getChildren().get(currentParentComment.getChildren().size() - 1)
.setLoadingMoreChildren(false);
currentParentComment.getChildren().get(currentParentComment.getChildren().size() - 1)
.setLoadMoreChildrenFailed(true);
}
});
}
@ -805,25 +789,37 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
return -1;
}
/**
* Find position of comment with given {@code fullName} and
* {@link Comment#NOT_PLACEHOLDER} placeholder type
* @return position of the placeholder or -1 if not found
*/
private int findCommentPosition(String fullName, int positionHint) {
return findCommentPosition(fullName, positionHint, Comment.NOT_PLACEHOLDER);
}
/**
* Find position of comment with given {@code fullName} and
* {@link Comment#PLACEHOLDER_LOAD_MORE_COMMENTS} placeholder type
* @return position of the placeholder or -1 if not found
*/
private int findLoadMoreCommentsPlaceholderPosition(String fullName, int positionHint) {
return findCommentPosition(fullName, positionHint, Comment.PLACEHOLDER_LOAD_MORE_COMMENTS);
}
private int findCommentPosition(String fullName, int positionHint, int placeholderType) {
if (0 <= positionHint && positionHint < mVisibleComments.size()
&& mVisibleComments.get(positionHint).getFullName().equals(fullName)
&& mVisibleComments.get(positionHint).getPlaceholderType() == Comment.PLACEHOLDER_LOAD_MORE_COMMENTS) {
&& mVisibleComments.get(positionHint).getPlaceholderType() == placeholderType) {
return positionHint;
}
for (int i = 0; i < mVisibleComments.size(); i++) {
Comment comment = mVisibleComments.get(i);
if (comment.getFullName().equals(fullName) && comment.getPlaceholderType() == Comment.PLACEHOLDER_LOAD_MORE_COMMENTS) {
if (comment.getFullName().equals(fullName) && comment.getPlaceholderType() == placeholderType) {
return i;
}
}
return -1;
}