1/*
2 * Copyright (C) 2012 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 */
16
17package com.android.launcher3;
18
19import android.content.Context;
20import android.content.res.TypedArray;
21import android.util.AttributeSet;
22import android.view.MotionEvent;
23import android.view.View;
24import android.widget.LinearLayout;
25
26import com.android.launcher3.R;
27
28public class DrawableStateProxyView extends LinearLayout {
29
30    private View mView;
31    private int mViewId;
32
33    public DrawableStateProxyView(Context context) {
34        this(context, null);
35    }
36
37    public DrawableStateProxyView(Context context, AttributeSet attrs) {
38        this(context, attrs, 0);
39    }
40
41
42    public DrawableStateProxyView(Context context, AttributeSet attrs, int defStyle) {
43        super(context, attrs, defStyle);
44
45        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DrawableStateProxyView,
46                defStyle, 0);
47        mViewId = a.getResourceId(R.styleable.DrawableStateProxyView_sourceViewId, -1);
48        a.recycle();
49
50        setFocusable(false);
51    }
52
53    @Override
54    protected void drawableStateChanged() {
55        super.drawableStateChanged();
56
57        if (mView == null) {
58            View parent = (View) getParent();
59            mView = parent.findViewById(mViewId);
60        }
61        if (mView != null) {
62            mView.setPressed(isPressed());
63            mView.setHovered(isHovered());
64        }
65    }
66
67    @Override
68    public boolean onHoverEvent(MotionEvent event) {
69        return false;
70    }
71}
72