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 package com.android.wallpaper.util 17 18 import android.app.WallpaperInfo 19 import android.app.WallpaperManager 20 import android.content.Context 21 import android.content.Intent 22 import android.content.pm.ApplicationInfo 23 import android.text.TextUtils 24 import android.util.Log 25 import com.android.wallpaper.picker.LivePreviewFragment 26 27 /** The utility class for live wallpaper the can be deleted */ 28 object DeletableUtils { 29 private const val TAG = "DeletableUtils" 30 31 /** If a wallpaper can be deleted. */ 32 @JvmStatic canBeDeletednull33 fun canBeDeleted(context: Context, wallpaperInfo: WallpaperInfo): Boolean { 34 return !TextUtils.isEmpty(getDeleteAction(context, wallpaperInfo)) 35 } 36 37 /** Delete a wallpaper. */ 38 @JvmStatic deleteLiveWallpapernull39 fun deleteLiveWallpaper( 40 context: Context, 41 wallpaperInfo: com.android.wallpaper.model.WallpaperInfo 42 ) { 43 val deleteIntent = getDeleteActionIntent(context, wallpaperInfo.wallpaperComponent) 44 if (deleteIntent != null) { 45 context.startService(deleteIntent) 46 } 47 } 48 getDeleteActionIntentnull49 private fun getDeleteActionIntent(context: Context, wallpaperInfo: WallpaperInfo): Intent? { 50 val deleteAction = getDeleteAction(context, wallpaperInfo) 51 if (TextUtils.isEmpty(deleteAction)) { 52 return null 53 } 54 val deleteActionIntent = Intent(deleteAction) 55 deleteActionIntent.setPackage(wallpaperInfo.packageName) 56 deleteActionIntent.putExtra(LivePreviewFragment.EXTRA_LIVE_WALLPAPER_INFO, wallpaperInfo) 57 return deleteActionIntent 58 } 59 getDeleteActionnull60 private fun getDeleteAction(context: Context, wallpaperInfo: WallpaperInfo): String? { 61 val currentInfo = WallpaperManager.getInstance(context).wallpaperInfo 62 val serviceInfo = wallpaperInfo.serviceInfo 63 val appInfo = serviceInfo.applicationInfo 64 val isPackagePreInstalled = 65 appInfo != null && appInfo.flags and ApplicationInfo.FLAG_SYSTEM != 0 66 // This wallpaper is not installed before 67 if (!isPackagePreInstalled) { 68 Log.d(TAG, "This wallpaper is not pre-installed: " + serviceInfo.name) 69 return null 70 } 71 val currentService = currentInfo?.serviceInfo 72 // A currently set Live wallpaper should not be deleted. 73 if (currentService != null && TextUtils.equals(serviceInfo.name, currentService.name)) { 74 return null 75 } 76 val metaData = serviceInfo.metaData 77 return metaData?.getString(LivePreviewFragment.KEY_ACTION_DELETE_LIVE_WALLPAPER) 78 } 79 } 80