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 
17 package com.android.launcher2;
18 
19 import android.content.Context;
20 import android.content.res.TypedArray;
21 import android.util.AttributeSet;
22 import android.view.MotionEvent;
23 import android.view.View;
24 import android.widget.LinearLayout;
25 
26 import com.android.launcher.R;
27 
28 public class DrawableStateProxyView extends LinearLayout {
29 
30     private View mView;
31     private int mViewId;
32 
DrawableStateProxyView(Context context)33     public DrawableStateProxyView(Context context) {
34         this(context, null);
35     }
36 
DrawableStateProxyView(Context context, AttributeSet attrs)37     public DrawableStateProxyView(Context context, AttributeSet attrs) {
38         this(context, attrs, 0);
39     }
40 
41 
DrawableStateProxyView(Context context, AttributeSet attrs, int defStyle)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
drawableStateChanged()54     protected void drawableStateChanged() {
55         super.drawableStateChanged();
56 
57         if (mView == null) {
58             View parent = (View) getParent();
59             mView = parent.findViewById(mViewId);
60         }
61         mView.setPressed(isPressed());
62         mView.setHovered(isHovered());
63     }
64 
65     @Override
onHoverEvent(MotionEvent event)66     public boolean onHoverEvent(MotionEvent event) {
67         return false;
68     }
69 }
70