1 /*
2  * Copyright (C) 2023 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.systemui.common.ui.data.repository
18 
19 import kotlinx.coroutines.channels.Channel
20 import kotlinx.coroutines.flow.Flow
21 import kotlinx.coroutines.flow.MutableStateFlow
22 import kotlinx.coroutines.flow.asStateFlow
23 import kotlinx.coroutines.flow.receiveAsFlow
24 
25 class FakeConfigurationRepository : ConfigurationRepository {
26     private val onAnyConfigurationChangeChannel = Channel<Unit>()
27     override val onAnyConfigurationChange: Flow<Unit> =
28         onAnyConfigurationChangeChannel.receiveAsFlow()
29 
30     private val _scaleForResolution = MutableStateFlow(1f)
31     override val scaleForResolution: Flow<Float> = _scaleForResolution.asStateFlow()
32 
33     suspend fun onAnyConfigurationChange() {
34         onAnyConfigurationChangeChannel.send(Unit)
35     }
36 
37     fun setScaleForResolution(scale: Float) {
38         _scaleForResolution.value = scale
39     }
40 
41     override fun getResolutionScale(): Float {
42         return _scaleForResolution.value
43     }
44 }
45