67 lines
2.4 KiB
Java
67 lines
2.4 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.dialer.promotion;
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import com.android.dialer.promotion.Promotion.PromotionType;
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import com.google.common.collect.ImmutableList;
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import java.util.Optional;
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import javax.inject.Inject;
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/**
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* A class to manage all promotion cards/bottom sheet.
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*
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* <p>Only one promotion with highest priority will be shown at a time no matter type. So if there
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* are one card and one bottom sheet promotion, either one will be shown instead of both.
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*/
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public final class PromotionManager {
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/** Promotion priority order list. Promotions with higher priority must be added first. */
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private ImmutableList<Promotion> priorityPromotionList;
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@Inject
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public PromotionManager(ImmutableList<Promotion> priorityPromotionList) {
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this.priorityPromotionList = priorityPromotionList;
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}
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/**
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* Returns promotion should show with highest priority. {@link Optional#empty()} if no promotion
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* should be shown with given {@link PromotionType}.
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*
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* <p>e.g. if FooPromotion(card, high priority) and BarPromotion(bottom sheet, low priority) are
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* both enabled, getHighestPriorityPromotion(CARD) returns Optional.of(FooPromotion) but
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* getHighestPriorityPromotion(BOTTOM_SHEET) returns {@link Optional#empty()}.
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*
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* <p>Currently it only supports promotion in call log tab.
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*
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* <p>TODO(wangqi): add support for other tabs.
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*/
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public Optional<Promotion> getHighestPriorityPromotion(@PromotionType int type) {
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for (Promotion promotion : priorityPromotionList) {
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if (promotion.isEligibleToBeShown()) {
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if (promotion.getType() == type) {
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return Optional.of(promotion);
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} else {
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// Returns empty promotion since it's not the type looking for and only one promotion
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// should be shown at a time.
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return Optional.empty();
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}
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}
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}
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return Optional.empty();
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}
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}
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