Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1

src/com/android/messaging/datamodel/data/SelfParticipantsData.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.messaging.datamodel.data;
+
+import android.database.Cursor;
+import android.support.v4.util.ArrayMap;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.android.messaging.util.OsUtil;
+
+/**
+ * A class that contains the list of all self participants potentially involved in a conversation.
+ * This class contains both active/inactive self entries when there is multi-SIM support.
+ */
+public class SelfParticipantsData {
+    /**
+     * The map from self participant ids to self-participant data entries in the participants table.
+     * This includes both active, inactive and default (with subId ==
+     * {@link ParticipantData#DEFAULT_SELF_SUB_ID}) subscriptions.
+     */
+    private final ArrayMap<String, ParticipantData> mSelfParticipantMap;
+
+    public SelfParticipantsData() {
+        mSelfParticipantMap = new ArrayMap<String, ParticipantData>();
+    }
+
+    public void bind(final Cursor cursor) {
+        mSelfParticipantMap.clear();
+        if (cursor != null) {
+            while (cursor.moveToNext()) {
+                final ParticipantData newParticipant = ParticipantData.getFromCursor(cursor);
+                mSelfParticipantMap.put(newParticipant.getId(), newParticipant);
+            }
+        }
+    }
+
+    /**
+     * Gets the list of self participants for all subscriptions.
+     * @param activeOnly if set, returns active self entries only (i.e. those with SIMs plugged in).
+     */
+    public List<ParticipantData> getSelfParticipants(final boolean activeOnly) {
+         List<ParticipantData> list = new ArrayList<ParticipantData>();
+        for (final ParticipantData self : mSelfParticipantMap.values()) {
+            if (!activeOnly || self.isActiveSubscription()) {
+                list.add(self);
+            }
+        }
+        return list;
+    }
+
+    /**
+     * Gets the self participant corresponding to the given self id.
+     */
+    ParticipantData getSelfParticipantById(final String selfId) {
+        return mSelfParticipantMap.get(selfId);
+    }
+
+    /**
+     * Returns if a given self id represents the default self.
+     */
+    boolean isDefaultSelf(final String selfId) {
+        if (!OsUtil.isAtLeastL_MR1()) {
+            return true;
+        }
+        final ParticipantData self = getSelfParticipantById(selfId);
+        return self == null ? false : self.getSubId() == ParticipantData.DEFAULT_SELF_SUB_ID;
+    }
+
+    public int getSelfParticipantsCountExcludingDefault(final boolean activeOnly) {
+        int count = 0;
+        for (final ParticipantData self : mSelfParticipantMap.values()) {
+            if (!self.isDefaultSelf() && (!activeOnly || self.isActiveSubscription())) {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    public ParticipantData getDefaultSelfParticipant() {
+        for (final ParticipantData self : mSelfParticipantMap.values()) {
+            if (self.isDefaultSelf()) {
+                return self;
+            }
+        }
+        return null;
+    }
+
+    boolean isLoaded() {
+        return !mSelfParticipantMap.isEmpty();
+    }
+}