1 /**
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * ```
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  * ```
10  *
11  * Unless required by applicable law or agreed to in writing, software distributed under the License
12  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
13  * or implied. See the License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 package com.android.healthconnect.controller.navigation
17 
18 import android.os.Bundle
19 import androidx.navigation.NavController
20 import androidx.navigation.NavDestination
21 import com.android.settingslib.collapsingtoolbar.CollapsingToolbarBaseActivity
22 
23 class DestinationChangedListener(private val activity: CollapsingToolbarBaseActivity) :
24     NavController.OnDestinationChangedListener {
onDestinationChangednull25     override fun onDestinationChanged(
26         controller: NavController,
27         destination: NavDestination,
28         arguments: Bundle?
29     ) {
30         // Prevent header from being collapsed between fragments.
31         activity.appBarLayout?.setExpanded(true)
32         activity.appBarLayout?.let {
33             activity.collapsingToolbarLayout?.setContentScrimColor(it.solidColor)
34         }
35         activity.setTitle(destination.label)
36     }
37 }
38