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      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 
     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         mView.setPressed(isPressed());
     62         mView.setHovered(isHovered());
     63     }
     64 
     65     @Override
     66     public boolean onHoverEvent(MotionEvent event) {
     67         return false;
     68     }
     69 }
     70