1// Copyright (C) 2024 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package fsgen 16 17import ( 18 "android/soong/android" 19 "fmt" 20 "strconv" 21 "strings" 22) 23 24// Returns the appropriate dpi for recovery common resources selection. Replicates the logic in 25// https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/Makefile;l=2536;drc=a6af369e71ded123734523ea640b97b70a557cb9 26func getDpi(ctx android.LoadHookContext) string { 27 recoveryDensity := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.TargetScreenDensity 28 if len(recoveryDensity) == 0 { 29 aaptPreferredConfig := ctx.Config().ProductAAPTPreferredConfig() 30 if len(aaptPreferredConfig) > 0 { 31 recoveryDensity = aaptPreferredConfig 32 } else { 33 recoveryDensity = "mdpi" 34 } 35 } 36 if !android.InList(recoveryDensity, []string{"xxxhdpi", "xxhdpi", "xhdpi", "hdpi", "mdpi"}) { 37 recoveryDensity = strings.TrimSuffix(recoveryDensity, "dpi") 38 dpiInt, err := strconv.ParseInt(recoveryDensity, 10, 64) 39 if err != nil { 40 panic(fmt.Sprintf("Error in parsing recoveryDensity: %s", err.Error())) 41 } 42 if dpiInt >= 560 { 43 recoveryDensity = "xxxhdpi" 44 } else if dpiInt >= 400 { 45 recoveryDensity = "xxhdpi" 46 } else if dpiInt >= 280 { 47 recoveryDensity = "xhdpi" 48 } else if dpiInt >= 200 { 49 recoveryDensity = "hdpi" 50 } else { 51 recoveryDensity = "mdpi" 52 } 53 } 54 55 if p := android.ExistentPathForSource(ctx, fmt.Sprintf("bootable/recovery/res-%s", recoveryDensity)); !p.Valid() { 56 recoveryDensity = "xhdpi" 57 } 58 59 return recoveryDensity 60} 61