219 lines
8.4 KiB
Java
219 lines
8.4 KiB
Java
/*
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* Copyright (C) 2010 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.email.activity;
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import com.android.email.R;
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import com.android.email.UiUtilities;
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import com.android.email.data.ClosingMatrixCursor;
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import com.android.email.data.ThrottlingCursorLoader;
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import com.android.emailcommon.provider.EmailContent;
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import com.android.emailcommon.provider.EmailContent.Account;
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import com.android.emailcommon.provider.EmailContent.Mailbox;
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import com.android.emailcommon.utility.Utility;
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import android.content.Context;
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import android.content.Loader;
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import android.database.Cursor;
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import android.database.MatrixCursor;
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import android.database.MatrixCursor.RowBuilder;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.CursorAdapter;
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import android.widget.TextView;
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/**
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* Adapter for the account selector on {@link MessageListXL}.
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*
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* TODO Test it!
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* TODO Use layout? Or use the standard resources that ActionBarDemo uses?
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* TODO Revisit the sort order when we get more detailed UI spec. (current sort order makes things
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* simpler for now.) Maybe we can just use SimpleCursorAdapter.
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*/
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public class AccountSelectorAdapter extends CursorAdapter {
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/** Projection used to query from Account */
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private static final String[] ACCOUNT_PROJECTION = new String[] {
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EmailContent.RECORD_ID,
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EmailContent.Account.DISPLAY_NAME,
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EmailContent.Account.EMAIL_ADDRESS,
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};
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/**
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* Projection for the resulting MatrixCursor -- must be {@link #ACCOUNT_PROJECTION}
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* with "UNREAD_COUNT".
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*/
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private static final String[] RESULT_PROJECTION = new String[] {
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EmailContent.RECORD_ID,
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EmailContent.Account.DISPLAY_NAME,
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EmailContent.Account.EMAIL_ADDRESS,
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"UNREAD_COUNT"
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};
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private static final int ID_COLUMN = 0;
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private static final int DISPLAY_NAME_COLUMN = 1;
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private static final int EMAIL_ADDRESS_COLUMN = 2;
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private static final int UNREAD_COUNT_COLUMN = 3;
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/** Sort order. Show the default account first. */
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private static final String ORDER_BY =
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EmailContent.Account.IS_DEFAULT + " desc, " + EmailContent.Account.RECORD_ID;
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private final LayoutInflater mInflater;
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private final Context mContext;
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public static Loader<Cursor> createLoader(Context context) {
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return new AccountsLoader(context);
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}
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public AccountSelectorAdapter(Context context, Cursor c) {
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super(context, c, 0 /* no auto-requery */);
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mContext = context;
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mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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@Override
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public View getDropDownView(int position, View convertView, ViewGroup parent) {
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final View view = mInflater.inflate(R.layout.account_selector_dropdown, parent, false);
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final TextView displayNameView = (TextView) view.findViewById(R.id.display_name);
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final TextView emailAddressView = (TextView) view.findViewById(R.id.email_address);
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final TextView unreadCountView = (TextView) view.findViewById(R.id.unread_count);
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final String displayName = getAccountDisplayName(position);
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final String emailAddress = getAccountEmailAddress(position);
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displayNameView.setText(displayName);
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// Show the email address only when it's different from the display name.
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if (emailAddress.equals(displayName)) {
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emailAddressView.setVisibility(View.GONE);
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} else {
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emailAddressView.setVisibility(View.VISIBLE);
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emailAddressView.setText(emailAddress);
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}
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unreadCountView.setText(UiUtilities.getMessageCountForUi(mContext,
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getAccountUnreadCount(position), false));
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return view;
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}
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@Override
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public void bindView(View view, Context context, Cursor cursor) {
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TextView textView = (TextView) view.findViewById(R.id.display_name);
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textView.setText(getAccountDisplayName(cursor));
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}
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@Override
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public View newView(Context context, Cursor cursor, ViewGroup parent) {
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return mInflater.inflate(R.layout.account_selector, parent, false);
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}
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/** @return Account id extracted from a Cursor. */
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public static long getAccountId(Cursor c) {
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return c.getLong(ID_COLUMN);
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}
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private String getAccountDisplayName(int position) {
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final Cursor c = getCursor();
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return c.moveToPosition(position) ? getAccountDisplayName(c) : null;
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}
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private String getAccountEmailAddress(int position) {
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final Cursor c = getCursor();
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return c.moveToPosition(position) ? getAccountEmailAddress(c) : null;
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}
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private int getAccountUnreadCount(int position) {
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final Cursor c = getCursor();
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return c.moveToPosition(position) ? getAccountUnreadCount(c) : 0;
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}
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/** @return Account name extracted from a Cursor. */
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public static String getAccountDisplayName(Cursor cursor) {
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return cursor.getString(DISPLAY_NAME_COLUMN);
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}
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/** @return Email address extracted from a Cursor. */
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public static String getAccountEmailAddress(Cursor cursor) {
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return cursor.getString(EMAIL_ADDRESS_COLUMN);
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}
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/** @return Unread count extracted from a Cursor. */
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public static int getAccountUnreadCount(Cursor cursor) {
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return cursor.getInt(UNREAD_COUNT_COLUMN);
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}
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/**
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* Load the account list. The resulting cursor contains
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* - Account info
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* - # of unread messages in inbox
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* - The "Combined view" row if there's more than one account.
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*/
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/* package */ static class AccountsLoader extends ThrottlingCursorLoader {
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private final Context mContext;
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public AccountsLoader(Context context) {
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// Super class loads a regular account cursor, but we replace it in loadInBackground().
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super(context, EmailContent.Account.CONTENT_URI, ACCOUNT_PROJECTION, null, null,
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ORDER_BY);
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mContext = context;
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}
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@Override
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public Cursor loadInBackground() {
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// Fetch account list
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final Cursor accountsCursor = super.loadInBackground();
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// Cursor that's actually returned.
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// Use ClosingMatrixCursor so that accountsCursor gets closed too when it's closed.
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final MatrixCursor resultCursor = new ClosingMatrixCursor(RESULT_PROJECTION,
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accountsCursor);
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accountsCursor.moveToPosition(-1);
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// Build the cursor...
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int totalUnread = 0;
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while (accountsCursor.moveToNext()) {
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// Add account, with its unread count.
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final long accountId = accountsCursor.getLong(0);
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final int unread = Mailbox.getUnreadCountByAccountAndMailboxType(
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mContext, accountId, Mailbox.TYPE_INBOX);
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RowBuilder rb = resultCursor.newRow();
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rb.add(accountId);
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rb.add(getAccountDisplayName(accountsCursor));
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rb.add(getAccountEmailAddress(accountsCursor));
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rb.add(unread);
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totalUnread += unread;
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}
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// Add "combined view"
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final int countAccounts = resultCursor.getCount();
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if (countAccounts > 1) {
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RowBuilder rb = resultCursor.newRow();
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// Add ID, display name, # of accounts, total unread count.
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rb.add(Account.ACCOUNT_ID_COMBINED_VIEW);
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rb.add(mContext.getResources().getString(
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R.string.mailbox_list_account_selector_combined_view));
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rb.add(mContext.getResources().getQuantityString(R.plurals.number_of_accounts,
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countAccounts, countAccounts));
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rb.add(totalUnread);
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}
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return Utility.CloseTraceCursorWrapper.get(resultCursor);
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}
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}
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}
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