| /* |
| * Copyright (C) 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 com.android.documentsui.dirlist; |
| |
| import android.view.MotionEvent; |
| import android.view.View; |
| |
| import androidx.annotation.Nullable; |
| import androidx.recyclerview.widget.RecyclerView; |
| import androidx.recyclerview.widget.RecyclerView.ViewHolder; |
| |
| import com.android.documentsui.DocsSelectionHelper.DocDetailsLookup; |
| |
| /** |
| * Access to details of an item associated with a {@link MotionEvent} instance. |
| */ |
| final class DocsItemDetailsLookup extends DocDetailsLookup { |
| |
| private final RecyclerView mRecView; |
| |
| public DocsItemDetailsLookup(RecyclerView view) { |
| mRecView = view; |
| } |
| |
| @Override |
| public DocumentItemDetails getItemDetails(MotionEvent e) { |
| @Nullable DocumentHolder holder = getDocumentHolder(e); |
| return holder == null ? null : holder.getItemDetails(); |
| } |
| |
| private @Nullable DocumentHolder getDocumentHolder(MotionEvent e) { |
| View childView = mRecView.findChildViewUnder(e.getX(), e.getY()); |
| if (childView != null) { |
| ViewHolder holder = mRecView.getChildViewHolder(childView); |
| if (holder instanceof DocumentHolder) { |
| return (DocumentHolder) holder; |
| } |
| } |
| return null; |
| } |
| } |