1 /*
2  * Copyright (C) 2018 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.egg.paint
18 
19 import android.content.Context
20 import android.transition.Transition
21 import android.transition.TransitionListenerAdapter
22 import android.util.AttributeSet
23 import android.view.*
24 import android.widget.FrameLayout
25 
26 class ToolbarView : FrameLayout {
27     var inTransition = false
28     var transitionListener: Transition.TransitionListener = object : TransitionListenerAdapter() {
onTransitionStartnull29         override fun onTransitionStart(transition: Transition?) {
30             inTransition = true
31         }
onTransitionEndnull32         override fun onTransitionEnd(transition: Transition?) {
33             inTransition = false
34         }
35     }
36 
37     constructor(context: Context) : super(context) {
38     }
39 
40     constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
41     }
42 
43     constructor(
44         context: Context,
45         attrs: AttributeSet,
46         defStyle: Int
47     ) : super(context, attrs, defStyle) {
48     }
49 
50     @Suppress("DEPRECATION")
onApplyWindowInsetsnull51     override fun onApplyWindowInsets(insets: WindowInsets?): WindowInsets {
52         var lp = layoutParams as FrameLayout.LayoutParams?
53         if (lp != null && insets != null) {
54             if (insets.hasStableInsets()) {
55                 lp.topMargin = insets.stableInsetTop
56                 lp.bottomMargin = insets.stableInsetBottom
57             } else {
58                 lp.topMargin = insets.systemWindowInsetTop
59                 lp.bottomMargin = insets.systemWindowInsetBottom
60             }
61             layoutParams = lp
62         }
63 
64         return super.onApplyWindowInsets(insets)
65     }
66 }
67