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/*
 * Copyright (C) 2016 The CyanogenMod 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.camera.ui;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;

/**
 * A LinearLayout which can have it's elements reversed
 */
public class ReversibleLinearLayout extends LinearLayout {

    public static final int FORWARD = 0;
    public static final int REVERSE = 1;

    private int mState = FORWARD;

    public ReversibleLinearLayout(Context context) {
        super(context);
    }

    public ReversibleLinearLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public void setOrder(int state) {
        if (state < 0 || state > 1 || state == mState) {
            return;
        }
        for(int k = getChildCount()-1 ; k >= 0 ; k--)
        {
            View item = getChildAt(k);
            removeViewAt(k);
            addView(item);
        }
        mState = state;
    }

    public int getOrder() {
        return mState;
    }
}