/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.accessibility;
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import com.android.launcher3.CellLayout;
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import com.android.launcher3.R;
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import com.android.launcher3.folder.FolderPagedView;
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/**
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* Implementation of {@link DragAndDropAccessibilityDelegate} to support DnD in a folder.
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*/
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public class FolderAccessibilityHelper extends DragAndDropAccessibilityDelegate {
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/**
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* 0-index position for the first cell in {@link #mView} in {@link #mParent}.
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*/
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private final int mStartPosition;
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private final FolderPagedView mParent;
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public FolderAccessibilityHelper(CellLayout layout) {
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super(layout);
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mParent = (FolderPagedView) layout.getParent();
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int index = mParent.indexOfChild(layout);
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mStartPosition = index * layout.getCountX() * layout.getCountY();
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}
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@Override
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protected int intersectsValidDropTarget(int id) {
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return Math.min(id, mParent.getAllocatedContentSize() - mStartPosition - 1);
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}
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@Override
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protected String getLocationDescriptionForIconDrop(int id) {
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return mContext.getString(R.string.move_to_position, id + mStartPosition + 1);
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}
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@Override
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protected String getConfirmationForIconDrop(int id) {
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return mContext.getString(R.string.item_moved);
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}
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}
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