1/*
2 * Copyright (C) 2015 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 */
16package com.android.messaging.datamodel.data;
17
18import android.content.Context;
19import android.net.Uri;
20import android.text.TextUtils;
21
22import com.android.messaging.R;
23import com.android.messaging.util.Assert;
24import com.android.messaging.util.AvatarUriUtil;
25
26import java.util.ArrayList;
27import java.util.List;
28import java.util.Locale;
29
30/**
31 * This is a UI facing data model component that holds a list of
32 * {@link SubscriptionListData.SubscriptionListEntry}'s, one for each *active* subscriptions.
33 *
34 * This is used to:
35 * 1) Show a list of SIMs in the SIM Selector
36 * 2) Show the currently selected SIM in the compose message view
37 * 3) Show SIM indicators on conversation message views
38 *
39 * It builds on top of SelfParticipantsData and performs additional logic such as determining
40 * the set of icons to use for the individual Subs.
41 */
42public class SubscriptionListData {
43    /**
44     * Represents a single sub that backs UI.
45     */
46    public static class SubscriptionListEntry {
47        public final String selfParticipantId;
48        public final Uri iconUri;
49        public final Uri selectedIconUri;
50        public final String displayName;
51        public final int displayColor;
52        public final String displayDestination;
53
54        private SubscriptionListEntry(final String selfParticipantId, final Uri iconUri,
55                final Uri selectedIconUri, final String displayName, final int displayColor,
56                final String displayDestination) {
57            this.selfParticipantId = selfParticipantId;
58            this.iconUri = iconUri;
59            this.selectedIconUri = selectedIconUri;
60            this.displayName = displayName;
61            this.displayColor = displayColor;
62            this.displayDestination = displayDestination;
63        }
64
65        static SubscriptionListEntry fromSelfParticipantData(
66                final ParticipantData selfParticipantData, final Context context) {
67            Assert.isTrue(selfParticipantData.isSelf());
68            Assert.isTrue(selfParticipantData.isActiveSubscription());
69            final int slotId = selfParticipantData.getDisplaySlotId();
70            final String iconIdentifier = String.format(Locale.getDefault(), "%d", slotId);
71            final String subscriptionName = selfParticipantData.getSubscriptionName();
72            final String displayName = TextUtils.isEmpty(subscriptionName) ?
73                    context.getString(R.string.sim_slot_identifier, slotId) : subscriptionName;
74            return new SubscriptionListEntry(selfParticipantData.getId(),
75                    AvatarUriUtil.createAvatarUri(selfParticipantData, iconIdentifier,
76                            false /* selected */, false /* incoming */),
77                    AvatarUriUtil.createAvatarUri(selfParticipantData, iconIdentifier,
78                            true /* selected */, false /* incoming */),
79                    displayName, selfParticipantData.getSubscriptionColor(),
80                    selfParticipantData.getDisplayDestination());
81        }
82    }
83
84    private final List<SubscriptionListEntry> mEntriesExcludingDefault;
85    private SubscriptionListEntry mDefaultEntry;
86    private final Context mContext;
87
88    public SubscriptionListData(final Context context) {
89        mEntriesExcludingDefault = new ArrayList<SubscriptionListEntry>();
90        mContext = context;
91    }
92
93    public void bind(final List<ParticipantData> subs) {
94        mEntriesExcludingDefault.clear();
95        mDefaultEntry = null;
96        for (final ParticipantData sub : subs) {
97            final SubscriptionListEntry entry =
98                    SubscriptionListEntry.fromSelfParticipantData(sub, mContext);
99            if (!sub.isDefaultSelf()) {
100                mEntriesExcludingDefault.add(entry);
101            } else {
102                mDefaultEntry = entry;
103            }
104        }
105    }
106
107    public List<SubscriptionListEntry> getActiveSubscriptionEntriesExcludingDefault() {
108        return mEntriesExcludingDefault;
109    }
110
111    public SubscriptionListEntry getActiveSubscriptionEntryBySelfId(final String selfId,
112            final boolean excludeDefault) {
113        if (mDefaultEntry != null && TextUtils.equals(mDefaultEntry.selfParticipantId, selfId)) {
114            return excludeDefault ? null : mDefaultEntry;
115        }
116
117        for (final SubscriptionListEntry entry : mEntriesExcludingDefault) {
118            if (TextUtils.equals(entry.selfParticipantId, selfId)) {
119                return entry;
120            }
121        }
122        return null;
123    }
124
125    public boolean hasData() {
126        return !mEntriesExcludingDefault.isEmpty() || mDefaultEntry != null;
127    }
128}
129