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 17 package com.android.dialer.promotion; 18 19 import com.android.dialer.promotion.Promotion.PromotionType; 20 import com.google.common.collect.ImmutableList; 21 import java.util.Optional; 22 import javax.inject.Inject; 23 24 /** 25 * A class to manage all promotion cards/bottom sheet. 26 * 27 * <p>Only one promotion with highest priority will be shown at a time no matter type. So if there 28 * are one card and one bottom sheet promotion, either one will be shown instead of both. 29 */ 30 public final class PromotionManager { 31 32 /** Promotion priority order list. Promotions with higher priority must be added first. */ 33 private ImmutableList<Promotion> priorityPromotionList; 34 35 @Inject PromotionManager(ImmutableList<Promotion> priorityPromotionList)36 public PromotionManager(ImmutableList<Promotion> priorityPromotionList) { 37 this.priorityPromotionList = priorityPromotionList; 38 } 39 40 /** 41 * Returns promotion should show with highest priority. {@link Optional#empty()} if no promotion 42 * should be shown with given {@link PromotionType}. 43 * 44 * <p>e.g. if FooPromotion(card, high priority) and BarPromotion(bottom sheet, low priority) are 45 * both enabled, getHighestPriorityPromotion(CARD) returns Optional.of(FooPromotion) but 46 * getHighestPriorityPromotion(BOTTOM_SHEET) returns {@link Optional#empty()}. 47 * 48 * <p>Currently it only supports promotion in call log tab. 49 * 50 * <p>TODO(wangqi): add support for other tabs. 51 */ getHighestPriorityPromotion(@romotionType int type)52 public Optional<Promotion> getHighestPriorityPromotion(@PromotionType int type) { 53 for (Promotion promotion : priorityPromotionList) { 54 if (promotion.isEligibleToBeShown()) { 55 if (promotion.getType() == type) { 56 return Optional.of(promotion); 57 } else { 58 // Returns empty promotion since it's not the type looking for and only one promotion 59 // should be shown at a time. 60 return Optional.empty(); 61 } 62 } 63 } 64 return Optional.empty(); 65 } 66 } 67