1 /*
2  * Copyright (C) 2015 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 android.support.design.widget;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.widget.ImageButton;
22 
23 class VisibilityAwareImageButton extends ImageButton {
24 
25     private int mUserSetVisibility;
26 
VisibilityAwareImageButton(Context context)27     public VisibilityAwareImageButton(Context context) {
28         this(context, null);
29     }
30 
VisibilityAwareImageButton(Context context, AttributeSet attrs)31     public VisibilityAwareImageButton(Context context, AttributeSet attrs) {
32         this(context, attrs, 0);
33     }
34 
VisibilityAwareImageButton(Context context, AttributeSet attrs, int defStyleAttr)35     public VisibilityAwareImageButton(Context context, AttributeSet attrs, int defStyleAttr) {
36         super(context, attrs, defStyleAttr);
37         mUserSetVisibility = getVisibility();
38     }
39 
40     @Override
setVisibility(int visibility)41     public void setVisibility(int visibility) {
42         internalSetVisibility(visibility, true);
43     }
44 
internalSetVisibility(int visibility, boolean fromUser)45     final void internalSetVisibility(int visibility, boolean fromUser) {
46         super.setVisibility(visibility);
47         if (fromUser) {
48             mUserSetVisibility = visibility;
49         }
50     }
51 
getUserSetVisibility()52     final int getUserSetVisibility() {
53         return mUserSetVisibility;
54     }
55 }
56