AccessibilityNodeInfoCompatApi21.java

/*
 * Copyright (C) 2014 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 android.support.v4.view.accessibility;

import android.view.accessibility.AccessibilityNodeInfo;
import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;

import java.util.List;

/**
 * Api21-specific AccessibilityNodeInfo API implementation.
 */
class AccessibilityNodeInfoCompatApi21 {
    static List<Object> getActionList(Object info) {
        Object result = ((AccessibilityNodeInfo) info).getActionList();
        return (List<Object>) result;
    }

    static void addAction(Object info, int id, CharSequence label) {
        AccessibilityNodeInfo.AccessibilityAction aa =
                new AccessibilityNodeInfo.AccessibilityAction(id, label);
        ((AccessibilityNodeInfo) info).addAction(aa);
    }

    public static Object obtainCollectionInfo(int rowCount, int columnCount,
            boolean hierarchical, int selectionMode) {
        return AccessibilityNodeInfo.CollectionInfo.obtain(rowCount, columnCount, hierarchical,
                selectionMode);
    }

    public static Object obtainCollectionItemInfo(int rowIndex, int rowSpan, int columnIndex,
            int columnSpan, boolean heading, boolean selected) {
        return AccessibilityNodeInfo.CollectionItemInfo.obtain(rowIndex, rowSpan, columnIndex,
                columnSpan, heading, selected);
    }

    static class CollectionItemInfo {
        public static boolean isSelected(Object info) {
            return ((AccessibilityNodeInfo.CollectionItemInfo) info).isSelected();
        }
    }

    static class AccessibilityAction {
        static int getId(Object action) {
            return ((AccessibilityNodeInfo.AccessibilityAction) action).getId();
        }

        static CharSequence getLabel(Object action) {
            return ((AccessibilityNodeInfo.AccessibilityAction) action).getLabel();
        }
    }
}