1 /* 2 * Copyright (C) 2018 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.launcher3.icons; 17 18 import android.content.ComponentName; 19 import android.content.Context; 20 import android.content.pm.PackageManager; 21 import android.os.UserHandle; 22 23 import com.android.launcher3.icons.cache.CachingLogic; 24 25 public interface ComponentWithLabel { 26 getComponent()27 ComponentName getComponent(); 28 getUser()29 UserHandle getUser(); 30 getLabel(PackageManager pm)31 CharSequence getLabel(PackageManager pm); 32 33 34 class ComponentCachingLogic<T extends ComponentWithLabel> implements CachingLogic<T> { 35 36 private final PackageManager mPackageManager; 37 private final boolean mAddToMemCache; 38 ComponentCachingLogic(Context context, boolean addToMemCache)39 public ComponentCachingLogic(Context context, boolean addToMemCache) { 40 mPackageManager = context.getPackageManager(); 41 mAddToMemCache = addToMemCache; 42 } 43 44 @Override getComponent(T object)45 public ComponentName getComponent(T object) { 46 return object.getComponent(); 47 } 48 49 @Override getUser(T object)50 public UserHandle getUser(T object) { 51 return object.getUser(); 52 } 53 54 @Override getLabel(T object)55 public CharSequence getLabel(T object) { 56 return object.getLabel(mPackageManager); 57 } 58 59 @Override loadIcon(Context context, T object)60 public BitmapInfo loadIcon(Context context, T object) { 61 return BitmapInfo.LOW_RES_INFO; 62 } 63 64 @Override addToMemCache()65 public boolean addToMemCache() { 66 return mAddToMemCache; 67 } 68 } 69 } 70