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 26public class DrawableStateProxyView extends LinearLayout { 27 28 private View mView; 29 private int mViewId; 30 31 public DrawableStateProxyView(Context context) { 32 this(context, null); 33 } 34 35 public DrawableStateProxyView(Context context, AttributeSet attrs) { 36 this(context, attrs, 0); 37 } 38 39 40 public DrawableStateProxyView(Context context, AttributeSet attrs, int defStyle) { 41 super(context, attrs, defStyle); 42 43 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DrawableStateProxyView, 44 defStyle, 0); 45 mViewId = a.getResourceId(R.styleable.DrawableStateProxyView_sourceViewId, -1); 46 a.recycle(); 47 48 setFocusable(false); 49 } 50 51 @Override 52 protected void drawableStateChanged() { 53 super.drawableStateChanged(); 54 55 if (mView == null) { 56 View parent = (View) getParent(); 57 mView = parent.findViewById(mViewId); 58 } 59 if (mView != null) { 60 mView.setPressed(isPressed()); 61 mView.setHovered(isHovered()); 62 } 63 } 64 65 @Override 66 public boolean onHoverEvent(MotionEvent event) { 67 return false; 68 } 69} 70