blob: 9c23c1980d53ecd8a9eb81c86b52622ad0d26a97 [file] [log] [blame]
/*
* Copyright (C) 2015 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.launcher3.accessibility;
import com.android.launcher3.CellLayout;
import com.android.launcher3.R;
import com.android.launcher3.folder.FolderPagedView;
/**
* Implementation of {@link DragAndDropAccessibilityDelegate} to support DnD in a folder.
*/
public class FolderAccessibilityHelper extends DragAndDropAccessibilityDelegate {
/**
* 0-index position for the first cell in {@link #mView} in {@link #mParent}.
*/
private final int mStartPosition;
private final FolderPagedView mParent;
public FolderAccessibilityHelper(CellLayout layout) {
super(layout);
mParent = (FolderPagedView) layout.getParent();
int index = mParent.indexOfChild(layout);
mStartPosition = index * layout.getCountX() * layout.getCountY();
}
@Override
protected int intersectsValidDropTarget(int id) {
return Math.min(id, mParent.getAllocatedContentSize() - mStartPosition - 1);
}
@Override
protected String getLocationDescriptionForIconDrop(int id) {
return mContext.getString(R.string.move_to_position, id + mStartPosition + 1);
}
@Override
protected String getConfirmationForIconDrop(int id) {
return mContext.getString(R.string.item_moved);
}
}