1 /* 2 * Copyright (C) 2024 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.settings.brightness.ui.viewModel 18 19 import android.content.res.Resources 20 import android.util.Log 21 import android.view.View 22 import com.android.systemui.dagger.qualifiers.Main 23 import com.android.systemui.res.R 24 import com.android.systemui.settings.brightness.BrightnessSliderController 25 import com.android.systemui.settings.brightness.MirrorController 26 import com.android.systemui.settings.brightness.ToggleSlider 27 import com.android.systemui.settings.brightness.domain.interactor.BrightnessMirrorShowingInteractor 28 import dagger.assisted.AssistedFactory 29 import dagger.assisted.AssistedInject 30 import kotlinx.coroutines.flow.MutableStateFlow 31 import kotlinx.coroutines.flow.asStateFlow 32 33 class BrightnessMirrorViewModel 34 @AssistedInject 35 constructor( 36 private val brightnessMirrorShowingInteractor: BrightnessMirrorShowingInteractor, 37 @Main private val resources: Resources, 38 val sliderControllerFactory: BrightnessSliderController.Factory, 39 ) : MirrorController { 40 41 private val tempPosition = IntArray(2) 42 43 private var _toggleSlider: BrightnessSliderController? = null 44 45 val isShowing = brightnessMirrorShowingInteractor.isShowing 46 47 private val _locationAndSize: MutableStateFlow<LocationAndSize> = 48 MutableStateFlow(LocationAndSize()) 49 val locationAndSize = _locationAndSize.asStateFlow() 50 getToggleSlidernull51 override fun getToggleSlider(): ToggleSlider? { 52 return _toggleSlider 53 } 54 setToggleSlidernull55 fun setToggleSlider(toggleSlider: BrightnessSliderController) { 56 _toggleSlider = toggleSlider 57 } 58 showMirrornull59 override fun showMirror() { 60 brightnessMirrorShowingInteractor.setMirrorShowing(true) 61 } 62 hideMirrornull63 override fun hideMirror() { 64 brightnessMirrorShowingInteractor.setMirrorShowing(false) 65 } 66 setLocationAndSizenull67 override fun setLocationAndSize(view: View) { 68 view.getLocationInWindow(tempPosition) 69 val padding = resources.getDimensionPixelSize(R.dimen.rounded_slider_background_padding) 70 // Account for desired padding 71 _locationAndSize.value = 72 LocationAndSize( 73 yOffsetFromContainer = view.findTopFromContainer() - padding, 74 yOffsetFromWindow = tempPosition[1] - padding, 75 width = view.measuredWidth + 2 * padding, 76 height = view.measuredHeight + 2 * padding, 77 ) 78 } 79 findTopFromContainernull80 private fun View.findTopFromContainer(): Int { 81 var out = 0 82 var view = this 83 while (view.id != R.id.quick_settings_container) { 84 out += view.top 85 val parent = view.parent as? View 86 if (parent == null) { 87 Log.wtf(TAG, "Couldn't find container in parents of $this") 88 break 89 } 90 view = parent 91 } 92 return out 93 } 94 95 // Callbacks are used for indicating reinflation when the config changes in some ways (like 96 // density). However, we don't need that as we recompose the view anyway addCallbacknull97 override fun addCallback(listener: MirrorController.BrightnessMirrorListener) {} 98 removeCallbacknull99 override fun removeCallback(listener: MirrorController.BrightnessMirrorListener) {} 100 101 @AssistedFactory 102 interface Factory { createnull103 fun create(): BrightnessMirrorViewModel 104 } 105 106 companion object { 107 private const val TAG = "BrightnessMirrorViewModel" 108 } 109 } 110 111 data class LocationAndSize( 112 val yOffsetFromContainer: Int = 0, 113 val yOffsetFromWindow: Int = 0, 114 val width: Int = 0, 115 val height: Int = 0, 116 ) 117