mirror of https://github.com/tasks/tasks
Remove paging library
Alex Baker
5 years ago
parent
a9db5a2d5a
commit
73f01fb08b
@ -1,110 +0,0 @@
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package org.tasks.tasklist;
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import static com.todoroo.andlib.utility.AndroidUtilities.assertMainThread;
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import static com.todoroo.andlib.utility.AndroidUtilities.assertNotMainThread;
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import androidx.annotation.NonNull;
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import androidx.core.util.Pair;
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import androidx.recyclerview.widget.DiffUtil;
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import androidx.recyclerview.widget.DiffUtil.DiffResult;
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import androidx.recyclerview.widget.ItemTouchHelper;
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import androidx.recyclerview.widget.ListUpdateCallback;
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import androidx.recyclerview.widget.RecyclerView;
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import com.todoroo.astrid.activity.TaskListFragment;
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import com.todoroo.astrid.adapter.TaskAdapter;
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import io.reactivex.android.schedulers.AndroidSchedulers;
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import io.reactivex.disposables.CompositeDisposable;
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import io.reactivex.schedulers.Schedulers;
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import io.reactivex.subjects.PublishSubject;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Queue;
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import org.tasks.data.TaskContainer;
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public class ManualSortRecyclerAdapter extends TaskListRecyclerAdapter {
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private final ItemTouchHelperCallback itemTouchHelperCallback;
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private List<TaskContainer> list;
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private PublishSubject<List<TaskContainer>> publishSubject = PublishSubject.create();
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private CompositeDisposable disposables = new CompositeDisposable();
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private Queue<Pair<List<TaskContainer>, DiffResult>> updates = new LinkedList<>();
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public ManualSortRecyclerAdapter(
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TaskAdapter adapter,
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RecyclerView recyclerView,
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ViewHolderFactory viewHolderFactory,
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TaskListFragment taskList,
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ActionModeProvider actionModeProvider,
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List<TaskContainer> list) {
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super(adapter, recyclerView, viewHolderFactory, taskList, actionModeProvider);
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this.list = list;
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itemTouchHelperCallback = new ItemTouchHelperCallback(adapter, this, this::drainQueue);
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new ItemTouchHelper(itemTouchHelperCallback).attachToRecyclerView(recyclerView);
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Pair<List<TaskContainer>, DiffResult> initial = Pair.create(list, null);
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disposables.add(
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publishSubject
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.observeOn(Schedulers.computation())
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.scan(initial, this::calculateDiff)
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.skip(1)
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(this::applyDiff));
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}
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private Pair<List<TaskContainer>, DiffResult> calculateDiff(
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Pair<List<TaskContainer>, DiffResult> last, List<TaskContainer> next) {
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assertNotMainThread();
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DiffCallback cb = new DiffCallback(last.first, next, adapter);
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DiffResult result = DiffUtil.calculateDiff(cb, true);
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return Pair.create(next, result);
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}
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private void applyDiff(Pair<List<TaskContainer>, DiffResult> update) {
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assertMainThread();
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updates.add(update);
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if (!itemTouchHelperCallback.isDragging()) {
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drainQueue();
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}
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}
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private void drainQueue() {
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assertMainThread();
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Pair<List<TaskContainer>, DiffResult> update = updates.poll();
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while (update != null) {
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list = update.first;
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update.second.dispatchUpdatesTo((ListUpdateCallback) this);
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update = updates.poll();
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}
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}
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@Override
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public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
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disposables.dispose();
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}
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@Override
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public int getItemCount() {
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return list.size();
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}
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@Override
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public TaskContainer getItem(int position) {
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return list.get(position);
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}
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@Override
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public void submitList(List<TaskContainer> list) {
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publishSubject.onNext(list);
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}
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void moved(int from, int to, int indent) {
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adapter.moved(from, to, indent);
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TaskContainer task = list.remove(from);
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list.add(from < to ? to - 1 : to, task);
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taskList.loadTaskListContent();
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}
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}
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@ -1,47 +0,0 @@
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package org.tasks.tasklist;
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import androidx.paging.AsyncPagedListDiffer;
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import androidx.paging.PagedList;
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import androidx.recyclerview.widget.AsyncDifferConfig;
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import androidx.recyclerview.widget.RecyclerView;
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import com.todoroo.astrid.activity.TaskListFragment;
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import com.todoroo.astrid.adapter.TaskAdapter;
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import java.util.List;
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import org.tasks.data.TaskContainer;
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public class PagedListRecyclerAdapter extends TaskListRecyclerAdapter {
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private AsyncPagedListDiffer<TaskContainer> differ;
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public PagedListRecyclerAdapter(
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TaskAdapter adapter,
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RecyclerView recyclerView,
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ViewHolderFactory viewHolderFactory,
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TaskListFragment taskList,
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ActionModeProvider actionModeProvider,
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List<TaskContainer> list) {
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super(adapter, recyclerView, viewHolderFactory, taskList, actionModeProvider);
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differ =
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new AsyncPagedListDiffer<>(
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this, new AsyncDifferConfig.Builder<>(new ItemCallback()).build());
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if (list instanceof PagedList) {
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differ.submitList((PagedList<TaskContainer>) list);
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}
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}
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@Override
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public int getItemCount() {
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return differ.getItemCount();
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}
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@Override
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public TaskContainer getItem(int position) {
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return differ.getItem(position);
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}
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@Override
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public void submitList(List<TaskContainer> list) {
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differ.submitList((PagedList<TaskContainer>) list);
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}
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}
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