CustomLayout.java revision 9dbde7b09f2366d2a239b1a4c234d5cf2de51739 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package android.surfacecomposition;
17
18import android.content.Context;
19import android.view.View;
20import android.view.ViewGroup;
21
22public class CustomLayout extends ViewGroup {
23    public CustomLayout(Context context) {
24        super(context);
25    }
26
27    public static class LayoutParams extends ViewGroup.LayoutParams {
28        private int mLeft, mTop, mRight, mBottom;
29
30        public LayoutParams(int left, int top, int right, int bottom) {
31            super(0, 0);
32            mLeft = left;
33            mTop = top;
34            mRight = right;
35            mBottom = bottom;
36        }
37    }
38
39    @Override
40    protected void onLayout(boolean changed, int l, int t, int r, int b) {
41        final int count = getChildCount();
42        for (int i = 0; i < count; i++) {
43            View child = getChildAt(i);
44            CustomLayout.LayoutParams lp = (CustomLayout.LayoutParams) child.getLayoutParams();
45            child.layout(lp.mLeft, lp.mTop, lp.mRight, lp.mBottom);
46        }
47    }
48}
49