1 files changed, 0 insertions, 131 deletions
diff --git a/androidx/recyclerview/selection/BandPredicate.java b/androidx/recyclerview/selection/BandPredicate.java
deleted file mode 100644
index 9a5ae477..00000000
--- a/androidx/recyclerview/selection/BandPredicate.java
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package androidx.recyclerview.selection;
-
-import static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP;
-import static android.support.v4.util.Preconditions.checkArgument;
-
-import android.support.annotation.Nullable;
-import android.support.annotation.RestrictTo;
-import android.support.v7.widget.GridLayoutManager;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
-import android.view.MotionEvent;
-import android.view.View;
-
-/**
- * Provides a means of controlling when and where band selection can be initiated.
- *
- * @hide
- */
-@RestrictTo(LIBRARY_GROUP)
-public abstract class BandPredicate {
-
-    /** @return true if band selection can be initiated in response to the {@link MotionEvent}. */
-    public abstract boolean canInitiate(MotionEvent e);
-
-    private static boolean hasSupportedLayoutManager(RecyclerView recView) {
-        RecyclerView.LayoutManager lm = recView.getLayoutManager();
-        return lm instanceof GridLayoutManager
-                || lm instanceof LinearLayoutManager;
-    }
-
-    /**
-     * Creates a new band predicate that permits initiation of band on areas
-     * of a RecyclerView that map to RecyclerView.NO_POSITION.
-     *
-     * @param recView
-     * @return
-     */
-    @SuppressWarnings("unused")
-    public static BandPredicate noPosition(RecyclerView recView) {
-        return new NoPosition(recView);
-    }
-
-    /**
-     * Creates a new band predicate that permits initiation of band
-     * anywhere doesn't correspond to a draggable region of a item.
-     *
-     * @param detailsLookup
-     * @return
-     */
-    public static BandPredicate notDraggable(
-            RecyclerView recView, ItemDetailsLookup detailsLookup) {
-        return new NotDraggable(recView, detailsLookup);
-    }
-
-    /**
-     * A BandPredicate that allows initiation of band selection only in areas of RecyclerView
-     * that have {@link RecyclerView#NO_POSITION}. In most cases, this will be the empty areas
-     * between views.
-     */
-    private static final class NoPosition extends BandPredicate {
-
-        private final RecyclerView mRecView;
-
-        NoPosition(RecyclerView recView) {
-            checkArgument(recView != null);
-
-            mRecView = recView;
-        }
-
-        @Override
-        public boolean canInitiate(MotionEvent e) {
-            if (!hasSupportedLayoutManager(mRecView)
-                    || mRecView.hasPendingAdapterUpdates()) {
-                return false;
-            }
-
-            View itemView = mRecView.findChildViewUnder(e.getX(), e.getY());
-            int position = itemView != null
-                    ? mRecView.getChildAdapterPosition(itemView)
-                    : RecyclerView.NO_POSITION;
-
-            return position == RecyclerView.NO_POSITION;
-        }
-    }
-
-    /**
-     * A BandPredicate that allows initiation of band selection in any area that is not
-     * draggable as determined by consulting
-     * {@link ItemDetailsLookup#inItemDragRegion(MotionEvent)}.
-     */
-    private static final class NotDraggable extends BandPredicate {
-
-        private final RecyclerView mRecView;
-        private final ItemDetailsLookup mDetailsLookup;
-
-        NotDraggable(RecyclerView recView, ItemDetailsLookup detailsLookup) {
-            checkArgument(recView != null);
-            checkArgument(detailsLookup != null);
-
-            mRecView = recView;
-            mDetailsLookup = detailsLookup;
-        }
-
-        @Override
-        public boolean canInitiate(MotionEvent e) {
-            if (!hasSupportedLayoutManager(mRecView)
-                    || mRecView.hasPendingAdapterUpdates()) {
-                return false;
-            }
-
-            @Nullable ItemDetailsLookup.ItemDetails details = mDetailsLookup.getItemDetails(e);
-            return (details == null) || !details.inDragRegion(e);
-        }
-    }
-}