1 /* 2 * Copyright (C) 2020 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 package com.android.alarmclock 17 18 import android.appwidget.AppWidgetManager 19 import android.content.Context 20 import android.content.res.Resources 21 import android.os.Bundle 22 23 import com.android.deskclock.R 24 import com.android.deskclock.Utils 25 26 object WidgetUtils { 27 // Calculate the scale factor of the fonts in the widget getScaleRationull28 fun getScaleRatio(context: Context, options: Bundle?, id: Int, cityCount: Int): Float { 29 var options: Bundle? = options 30 if (options == null) { 31 val widgetManager: AppWidgetManager = 32 AppWidgetManager.getInstance(context) // no manager , do no scaling 33 ?: return 1f 34 options = widgetManager.getAppWidgetOptions(id) 35 } 36 options?.let { 37 val minWidth: Int = it.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH) 38 if (minWidth == 0) { 39 // No data , do no scaling 40 return 1f 41 } 42 val res: Resources = context.getResources() 43 val density: Float = res.getDisplayMetrics().density 44 var ratio: Float = 45 density * minWidth / res.getDimension(R.dimen.min_digital_widget_width) 46 ratio = Math.min(ratio, getHeightScaleRatio(context, it)) 47 ratio *= .83f 48 49 if (cityCount > 0) { 50 return if (ratio > 1f) 1f else ratio 51 } 52 53 ratio = Math.min(ratio, 1.6f) 54 ratio = if (Utils.isPortrait(context)) { 55 Math.max(ratio, .71f) 56 } else { 57 Math.max(ratio, .45f) 58 } 59 return ratio 60 } 61 return 1f 62 } 63 64 // Calculate the scale factor of the fonts in the list of the widget using the widget height getHeightScaleRationull65 private fun getHeightScaleRatio(context: Context, options: Bundle): Float { 66 val minHeight: Int = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT) 67 if (minHeight == 0) { 68 // No data , do no scaling 69 return 1f 70 } 71 val res: Resources = context.getResources() 72 val density: Float = res.getDisplayMetrics().density 73 val ratio: Float = density * minHeight / res.getDimension(R.dimen.min_digital_widget_height) 74 return if (Utils.isPortrait(context)) { ratio * 1.75f } else ratio 75 } 76 }