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