Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Preloader support for StaggeredGridLayputManager #5324

Open
wants to merge 3 commits into
base: master
Choose a base branch
from
Open

Preloader support for StaggeredGridLayputManager #5324

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
95df923
Preloader support for StaggeredGridLayputManager
Nov 2, 2023
a3c8e4a
Fix package name
Nov 2, 2023
a7c5905
Fix file formatting
Nov 2, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
31 changes: 27 additions & 4 deletions ...in/java/com/bumptech/glide/integration/recyclerview/RecyclerToListViewScrollListener.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.StaggeredGridLayoutManager;

/**
* Converts {@link androidx.recyclerview.widget.RecyclerView.OnScrollListener} events to {@link
Expand Down Expand Up @@ -47,11 +48,33 @@ public void onScrollStateChanged(RecyclerView recyclerView, int newState) {

@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();

int firstVisible = layoutManager.findFirstVisibleItemPosition();
int visibleCount = Math.abs(firstVisible - layoutManager.findLastVisibleItemPosition());
int itemCount = recyclerView.getAdapter().getItemCount();
int firstVisible = RecyclerView.NO_POSITION;
int visibleCount = 0;

RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();

if (layoutManager instanceof LinearLayoutManager) {
LinearLayoutManager linearLayoutManager = (LinearLayoutManager) layoutManager;

firstVisible = linearLayoutManager.findFirstVisibleItemPosition();
visibleCount = Math.abs(firstVisible - linearLayoutManager.findLastVisibleItemPosition());
} else if (layoutManager instanceof StaggeredGridLayoutManager) {
StaggeredGridLayoutManager staggeredGridLayoutManager = (StaggeredGridLayoutManager) layoutManager;

int[] firstVisiblePositions = staggeredGridLayoutManager.findFirstVisibleItemPositions(null);

if (firstVisiblePositions.length > 0) {
firstVisible = firstVisiblePositions[0];

int[] lastVisiblePositions = staggeredGridLayoutManager.findLastVisibleItemPositions(null);

if (lastVisiblePositions.length > 0) {
int lastVisible = lastVisiblePositions[0];
visibleCount = Math.abs(firstVisible - lastVisible);
}
}
}

if (firstVisible != lastFirstVisible
|| visibleCount != lastVisibleCount
Expand Down
Loading