1 /*
2  * Copyright (C) 2011 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.graphics.Canvas;
21 import android.util.AttributeSet;
22 import android.widget.ImageView;
23 
24 public class HolographicImageView extends ImageView {
25 
26     private final HolographicViewHelper mHolographicHelper;
27 
HolographicImageView(Context context)28     public HolographicImageView(Context context) {
29         this(context, null);
30     }
31 
HolographicImageView(Context context, AttributeSet attrs)32     public HolographicImageView(Context context, AttributeSet attrs) {
33         this(context, attrs, 0);
34     }
35 
HolographicImageView(Context context, AttributeSet attrs, int defStyle)36     public HolographicImageView(Context context, AttributeSet attrs, int defStyle) {
37         super(context, attrs, defStyle);
38 
39         mHolographicHelper = new HolographicViewHelper(context);
40     }
41 
invalidatePressedFocusedStates()42     void invalidatePressedFocusedStates() {
43         mHolographicHelper.invalidatePressedFocusedStates(this);
44     }
45 
46     @Override
onDraw(Canvas canvas)47     protected void onDraw(Canvas canvas) {
48         super.onDraw(canvas);
49 
50         // One time call to generate the pressed/focused state -- must be called after
51         // measure/layout
52         mHolographicHelper.generatePressedFocusedStates(this);
53     }
54 }
55