114 lines
4.6 KiB
Java
114 lines
4.6 KiB
Java
/*
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* Copyright (C) 2011 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.emailcommon;
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import android.content.Context;
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import com.android.emailcommon.provider.Account;
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import com.android.emailcommon.provider.HostAuth;
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import com.android.emailcommon.utility.Utility;
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/**
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* Constants for tagging threads for traffic stats, and associated utilities
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*
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* Example usage:
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* TrafficStats.setThreadStatsTag(accountId | PROTOCOL_IMAP | DATA_EMAIL | REASON_SYNC);
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*/
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public class TrafficFlags {
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// Bits 0->15, account id
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private static final int ACCOUNT_MASK = 0x0000FFFF;
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// Bits 16&17, protocol (0 = POP3)
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private static final int PROTOCOL_SHIFT = 16;
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private static final int PROTOCOL_MASK = 3 << PROTOCOL_SHIFT;
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public static final int PROTOCOL_POP3 = 0 << PROTOCOL_SHIFT;
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public static final int PROTOCOL_IMAP = 1 << PROTOCOL_SHIFT;
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public static final int PROTOCOL_EAS = 2 << PROTOCOL_SHIFT;
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public static final int PROTOCOL_SMTP = 3 << PROTOCOL_SHIFT;
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private static final String[] PROTOCOLS = new String[] {HostAuth.SCHEME_POP3,
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HostAuth.SCHEME_IMAP, HostAuth.SCHEME_EAS, HostAuth.SCHEME_SMTP};
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// Bits 18&19, type (0 = EMAIL)
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private static final int DATA_SHIFT = 18;
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private static final int DATA_MASK = 3 << DATA_SHIFT;
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public static final int DATA_EMAIL = 0 << DATA_SHIFT;
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public static final int DATA_CONTACTS = 1 << DATA_SHIFT;
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public static final int DATA_CALENDAR = 2 << DATA_SHIFT;
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// Bits 20&21, reason (if protocol != SMTP)
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private static final int REASON_SHIFT = 20;
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private static final int REASON_MASK = 3 << REASON_SHIFT;
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public static final int REASON_SYNC = 0 << REASON_SHIFT;
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public static final int REASON_ATTACHMENT_USER = 1 << REASON_SHIFT;
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// Note: We don't yet use the PRECACHE reason (it's complicated...)
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public static final int REASON_ATTACHMENT_PRECACHE = 2 << REASON_SHIFT;
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private static final String[] REASONS = new String[] {"sync", "attachment", "precache"};
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/**
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* Get flags indicating sync of the passed-in account; note that, by default, these flags
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* indicate an email sync; to change the type of sync, simply "or" in DATA_CONTACTS or
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* DATA_CALENDAR (since DATA_EMAIL = 0)
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*
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* @param context the caller's context
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* @param account the account being used
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* @return flags for syncing this account
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*/
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public static int getSyncFlags(Context context, Account account) {
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int protocolIndex = Utility.arrayIndex(PROTOCOLS, account.getProtocol(context));
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return (int)account.mId | REASON_SYNC | (protocolIndex << PROTOCOL_SHIFT);
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}
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/**
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* Get flags indicating attachment loading from the passed-in account
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*
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* @param context the caller's context
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* @param account the account being used
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* @return flags for loading an attachment in this account
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*/
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public static int getAttachmentFlags(Context context, Account account) {
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int protocolIndex = Utility.arrayIndex(PROTOCOLS, account.getProtocol(context));
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return (int)account.mId | REASON_ATTACHMENT_USER | (protocolIndex << PROTOCOL_SHIFT);
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}
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/**
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* Get flags indicating sending SMTP email from the passed-in account
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*
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* @param context the caller's context
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* @param account the account being used
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* @return flags for sending SMTP email from this account
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*/
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public static int getSmtpFlags(Context context, Account account) {
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return (int)account.mId | REASON_SYNC | PROTOCOL_SMTP;
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}
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public static String toString(int flags) {
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StringBuilder sb = new StringBuilder();
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sb.append("account ");
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sb.append(flags & ACCOUNT_MASK);
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sb.append(',');
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sb.append(REASONS[(flags & REASON_MASK) >> REASON_SHIFT]);
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sb.append(',');
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sb.append(PROTOCOLS[(flags & PROTOCOL_MASK) >> PROTOCOL_SHIFT]);
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int maskedData = flags & DATA_MASK;
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if (maskedData != 0) {
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sb.append(',');
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sb.append(maskedData == DATA_CALENDAR ? "calendar" : "contacts");
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}
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return sb.toString();
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}
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}
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