compat/kitkat/android/support/v4/view/accessibility/AccessibilityNodeInfoCompatKitKat.java

/*
 * Copyright (C) 2012 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.os.Bundle;
import android.view.accessibility.AccessibilityNodeInfo;

/**
 * KitKat-specific AccessibilityNodeInfo API implementation.
 */
class AccessibilityNodeInfoCompatKitKat {
    private static final byte TRAIT_UNSET = -1;
    private static final String TRAITS_KEY =
            "android.view.accessibility.AccessibilityNodeInfo.traits";
    private static final long TRAIT_HAS_IMAGE = 0x00000001;
    private static final String ROLE_DESCRIPTION_KEY =
            "AccessibilityNodeInfo.roleDescription";

    static int getLiveRegion(Object info) {
        return ((AccessibilityNodeInfo) info).getLiveRegion();
    }

    static void setLiveRegion(Object info, int mode) {
        ((AccessibilityNodeInfo) info).setLiveRegion(mode);
    }

    static Object getCollectionInfo(Object info) {
        return ((AccessibilityNodeInfo) info).getCollectionInfo();
    }

    static Object getCollectionItemInfo(Object info) {
        return ((AccessibilityNodeInfo) info).getCollectionItemInfo();
    }

    public static void setCollectionInfo(Object info, Object collectionInfo) {
        ((AccessibilityNodeInfo) info).setCollectionInfo(
                (AccessibilityNodeInfo.CollectionInfo)collectionInfo);
    }

    public static void setCollectionItemInfo(Object info, Object collectionItemInfo) {
        ((AccessibilityNodeInfo) info).setCollectionItemInfo(
                (AccessibilityNodeInfo.CollectionItemInfo) collectionItemInfo);
    }

    static Object getRangeInfo(Object info) {
        return ((AccessibilityNodeInfo) info).getRangeInfo();
    }

    public static void setRangeInfo(Object info, Object rangeInfo) {
        ((AccessibilityNodeInfo) info).setRangeInfo((AccessibilityNodeInfo.RangeInfo) rangeInfo);
    }

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

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

    public static void setContentInvalid(Object info, boolean contentInvalid) {
        ((AccessibilityNodeInfo) info).setContentInvalid(contentInvalid);
    }

    public static boolean isContentInvalid(Object info) {
        return ((AccessibilityNodeInfo) info).isContentInvalid();
    }

    public static boolean canOpenPopup(Object info) {
        return ((AccessibilityNodeInfo) info).canOpenPopup();
    }

    public static void setCanOpenPopup(Object info, boolean opensPopup) {
        ((AccessibilityNodeInfo) info).setCanOpenPopup(opensPopup);
    }

    public static Bundle getExtras(Object info) {
        return ((AccessibilityNodeInfo) info).getExtras();
    }

    private static long getTraits(Object info) {
        return getExtras(info).getLong(TRAITS_KEY, TRAIT_UNSET);
    }

    private static void setTrait(Object info, long trait) {
        Bundle extras = getExtras(info);
        long traits = extras.getLong(TRAITS_KEY, 0);
        extras.putLong(TRAITS_KEY, traits | trait);
    }

    public static int getInputType(Object info) {
        return ((AccessibilityNodeInfo) info).getInputType();
    }

    public static void setInputType(Object info, int inputType) {
        ((AccessibilityNodeInfo) info).setInputType(inputType);
    }

    public static boolean isDismissable(Object info) {
        return ((AccessibilityNodeInfo) info).isDismissable();
    }

    public static void setDismissable(Object info, boolean dismissable) {
        ((AccessibilityNodeInfo) info).setDismissable(dismissable);
    }

    public static boolean isMultiLine(Object info) {
        return ((AccessibilityNodeInfo) info).isMultiLine();
    }

    public static void setMultiLine(Object info, boolean multiLine) {
        ((AccessibilityNodeInfo) info).setMultiLine(multiLine);
    }

    public static CharSequence getRoleDescription(Object info) {
        Bundle extras = getExtras(info);
        return extras.getCharSequence(ROLE_DESCRIPTION_KEY);
    }

    public static void setRoleDescription(Object info, CharSequence roleDescription) {
        Bundle extras = getExtras(info);
        extras.putCharSequence(ROLE_DESCRIPTION_KEY, roleDescription);
    }

    static class CollectionInfo {
        static int getColumnCount(Object info) {
            return ((AccessibilityNodeInfo.CollectionInfo) info).getColumnCount();
        }

        static int getRowCount(Object info) {
            return ((AccessibilityNodeInfo.CollectionInfo) info).getRowCount();
        }

        static boolean isHierarchical(Object info) {
            return ((AccessibilityNodeInfo.CollectionInfo) info).isHierarchical();
        }
    }

    static class CollectionItemInfo {
        static int getColumnIndex(Object info) {
            return ((AccessibilityNodeInfo.CollectionItemInfo) info).getColumnIndex();
        }

        static int getColumnSpan(Object info) {
            return ((AccessibilityNodeInfo.CollectionItemInfo) info).getColumnSpan();
        }

        static int getRowIndex(Object info) {
            return ((AccessibilityNodeInfo.CollectionItemInfo) info).getRowIndex();
        }

        static int getRowSpan(Object info) {
            return ((AccessibilityNodeInfo.CollectionItemInfo) info).getRowSpan();
        }

        static boolean isHeading(Object info) {
            return ((AccessibilityNodeInfo.CollectionItemInfo) info).isHeading();
        }
    }

    static class RangeInfo {
        static float getCurrent(Object info) {
            return ((AccessibilityNodeInfo.RangeInfo) info).getCurrent();
        }

        static float getMax(Object info) {
            return ((AccessibilityNodeInfo.RangeInfo) info).getMax();
        }

        static float getMin(Object info) {
            return ((AccessibilityNodeInfo.RangeInfo) info).getMin();
        }

        static int getType(Object info) {
            return ((AccessibilityNodeInfo.RangeInfo) info).getType();
        }
    }
}