packages/Keyguard/src/com/android/keyguard/KeyguardLinearLayout.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 com.android.keyguard;

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

/**
 * A layout that arranges its children into a special type of grid.
 */
public class KeyguardLinearLayout extends LinearLayout {
    int mTopChild = 0;

    public KeyguardLinearLayout(Context context) {
        this(context, null, 0);
    }

    public KeyguardLinearLayout(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public KeyguardLinearLayout(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    public void setTopChild(View child) {
        int top = indexOfChild(child);
        mTopChild = top;
        invalidate();
    }
}