replicant-packages_apps_Email/provider_src/com/android/email/service/EmailServiceUtils.java

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/*
* Copyright (C) 2010 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.email.service;
import android.accounts.AccountManager;
import android.accounts.AccountManagerCallback;
import android.accounts.AccountManagerFuture;
import android.accounts.AuthenticatorException;
import android.accounts.OperationCanceledException;
import android.app.Service;
import android.content.ComponentName;
import android.content.ContentProviderClient;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.content.res.XmlResourceParser;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.provider.CalendarContract;
import android.provider.CalendarContract.Calendars;
import android.provider.CalendarContract.SyncState;
import android.provider.ContactsContract;
import android.provider.ContactsContract.RawContacts;
import android.provider.SyncStateContract;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import com.android.email.R;
import com.android.emailcommon.VendorPolicyLoader;
import com.android.emailcommon.provider.Account;
import com.android.emailcommon.provider.EmailContent;
import com.android.emailcommon.provider.EmailContent.AccountColumns;
import com.android.emailcommon.provider.EmailContent.HostAuthColumns;
import com.android.emailcommon.provider.HostAuth;
import com.android.emailcommon.service.EmailServiceProxy;
import com.android.emailcommon.service.EmailServiceStatus;
import com.android.emailcommon.service.EmailServiceVersion;
import com.android.emailcommon.service.HostAuthCompat;
import com.android.emailcommon.service.IEmailService;
import com.android.emailcommon.service.IEmailServiceCallback;
import com.android.emailcommon.service.SearchParams;
import com.android.emailcommon.service.ServiceProxy;
import com.android.emailcommon.service.SyncWindow;
import com.android.mail.utils.LogUtils;
import com.google.common.collect.ImmutableMap;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.util.Collection;
import java.util.Map;
/**
* Utility functions for EmailService support.
*/
public class EmailServiceUtils {
/**
* Ask a service to kill its process. This is used when an account is deleted so that
* no background thread that happens to be running will continue, possibly hitting an
* NPE or other error when trying to operate on an account that no longer exists.
* TODO: This is kind of a hack, it's only needed because we fail so badly if an account
* is deleted out from under us while a sync or other operation is in progress. It would
* be a lot cleaner if our background services could handle this without crashing.
*/
public static void killService(Context context, String protocol) {
EmailServiceInfo info = getServiceInfo(context, protocol);
if (info != null && info.intentAction != null) {
final Intent serviceIntent = getServiceIntent(info);
serviceIntent.putExtra(ServiceProxy.EXTRA_FORCE_SHUTDOWN, true);
context.startService(serviceIntent);
}
}
/**
* Starts an EmailService by protocol
*/
public static void startService(Context context, String protocol) {
EmailServiceInfo info = getServiceInfo(context, protocol);
if (info != null && info.intentAction != null) {
final Intent serviceIntent = getServiceIntent(info);
context.startService(serviceIntent);
}
}
/**
* Starts all remote services
*/
public static void startRemoteServices(Context context) {
for (EmailServiceInfo info: getServiceInfoList(context)) {
if (info.intentAction != null) {
final Intent serviceIntent = getServiceIntent(info);
context.startService(serviceIntent);
}
}
}
/**
* Returns whether or not remote services are present on device
*/
public static boolean areRemoteServicesInstalled(Context context) {
for (EmailServiceInfo info: getServiceInfoList(context)) {
if (info.intentAction != null) {
return true;
}
}
return false;
}
/**
* Starts all remote services
*/
public static void setRemoteServicesLogging(Context context, int debugBits) {
for (EmailServiceInfo info: getServiceInfoList(context)) {
if (info.intentAction != null) {
EmailServiceProxy service =
EmailServiceUtils.getService(context, info.protocol);
if (service != null) {
try {
service.setLogging(debugBits);
} catch (RemoteException e) {
// Move along, nothing to see
}
}
}
}
}
/**
* Determine if the EmailService is available
*/
public static boolean isServiceAvailable(Context context, String protocol) {
EmailServiceInfo info = getServiceInfo(context, protocol);
if (info == null) return false;
if (info.klass != null) return true;
final Intent serviceIntent = getServiceIntent(info);
return new EmailServiceProxy(context, serviceIntent).test();
}
private static Intent getServiceIntent(EmailServiceInfo info) {
final Intent serviceIntent = new Intent(info.intentAction);
serviceIntent.setPackage(info.intentPackage);
return serviceIntent;
}
/**
* For a given account id, return a service proxy if applicable, or null.
*
* @param accountId the message of interest
* @return service proxy, or null if n/a
*/
public static EmailServiceProxy getServiceForAccount(Context context, long accountId) {
return getService(context, Account.getProtocol(context, accountId));
}
/**
* Holder of service information (currently just name and class/intent); if there is a class
* member, this is a (local, i.e. same process) service; otherwise, this is a remote service
*/
public static class EmailServiceInfo {
public String protocol;
public String name;
public String accountType;
Class<? extends Service> klass;
String intentAction;
String intentPackage;
public int port;
public int portSsl;
public boolean defaultSsl;
public boolean offerTls;
public boolean offerCerts;
public boolean offerOAuth;
public boolean usesSmtp;
public boolean offerLocalDeletes;
public int defaultLocalDeletes;
public boolean offerPrefix;
public boolean usesAutodiscover;
public boolean offerLookback;
public int defaultLookback;
public boolean syncChanges;
public boolean syncContacts;
public boolean syncCalendar;
public boolean offerAttachmentPreload;
public CharSequence[] syncIntervalStrings;
public CharSequence[] syncIntervals;
public int defaultSyncInterval;
public String inferPrefix;
public boolean offerLoadMore;
public boolean offerMoveTo;
public boolean requiresSetup;
public boolean hide;
public boolean isGmailStub;
@Override
public String toString() {
StringBuilder sb = new StringBuilder("Protocol: ");
sb.append(protocol);
sb.append(", ");
sb.append(klass != null ? "Local" : "Remote");
sb.append(" , Account Type: ");
sb.append(accountType);
return sb.toString();
}
}
public static EmailServiceProxy getService(Context context, String protocol) {
EmailServiceInfo info = null;
// Handle the degenerate case here (account might have been deleted)
if (protocol != null) {
info = getServiceInfo(context, protocol);
}
if (info == null) {
LogUtils.w(LogUtils.TAG, "Returning NullService for %s", protocol);
return new EmailServiceProxy(context, NullService.class);
} else {
return getServiceFromInfo(context, info);
}
}
public static EmailServiceProxy getServiceFromInfo(Context context, EmailServiceInfo info) {
if (info.klass != null) {
return new EmailServiceProxy(context, info.klass);
} else {
final Intent serviceIntent = getServiceIntent(info);
return new EmailServiceProxy(context, serviceIntent);
}
}
public static EmailServiceInfo getServiceInfoForAccount(Context context, long accountId) {
String protocol = Account.getProtocol(context, accountId);
return getServiceInfo(context, protocol);
}
public static EmailServiceInfo getServiceInfo(Context context, String protocol) {
return getServiceMap(context).get(protocol);
}
public static Collection<EmailServiceInfo> getServiceInfoList(Context context) {
return getServiceMap(context).values();
}
private static void finishAccountManagerBlocker(AccountManagerFuture<?> future) {
try {
// Note: All of the potential errors are simply logged
// here, as there is nothing to actually do about them.
future.getResult();
} catch (OperationCanceledException e) {
LogUtils.w(LogUtils.TAG, e, "finishAccountManagerBlocker");
} catch (AuthenticatorException e) {
LogUtils.w(LogUtils.TAG, e, "finishAccountManagerBlocker");
} catch (IOException e) {
LogUtils.w(LogUtils.TAG, e, "finishAccountManagerBlocker");
}
}
/**
* Add an account to the AccountManager.
* @param context Our {@link Context}.
* @param account The {@link Account} we're adding.
* @param email Whether the user wants to sync email on this account.
* @param calendar Whether the user wants to sync calendar on this account.
* @param contacts Whether the user wants to sync contacts on this account.
* @param callback A callback for when the AccountManager is done.
* @return The result of {@link AccountManager#addAccount}.
*/
public static AccountManagerFuture<Bundle> setupAccountManagerAccount(final Context context,
final Account account, final boolean email, final boolean calendar,
final boolean contacts, final AccountManagerCallback<Bundle> callback) {
final HostAuth hostAuthRecv =
HostAuth.restoreHostAuthWithId(context, account.mHostAuthKeyRecv);
return setupAccountManagerAccount(context, account, email, calendar, contacts,
hostAuthRecv, callback);
}
/**
* Add an account to the AccountManager.
* @param context Our {@link Context}.
* @param account The {@link Account} we're adding.
* @param email Whether the user wants to sync email on this account.
* @param calendar Whether the user wants to sync calendar on this account.
* @param contacts Whether the user wants to sync contacts on this account.
* @param hostAuth HostAuth that identifies the protocol and password for this account.
* @param callback A callback for when the AccountManager is done.
* @return The result of {@link AccountManager#addAccount}.
*/
public static AccountManagerFuture<Bundle> setupAccountManagerAccount(final Context context,
final Account account, final boolean email, final boolean calendar,
final boolean contacts, final HostAuth hostAuth,
final AccountManagerCallback<Bundle> callback) {
if (hostAuth == null) {
return null;
}
// Set up username/password
final Bundle options = new Bundle(5);
options.putString(EasAuthenticatorService.OPTIONS_USERNAME, account.mEmailAddress);
options.putString(EasAuthenticatorService.OPTIONS_PASSWORD, hostAuth.mPassword);
options.putBoolean(EasAuthenticatorService.OPTIONS_CONTACTS_SYNC_ENABLED, contacts);
options.putBoolean(EasAuthenticatorService.OPTIONS_CALENDAR_SYNC_ENABLED, calendar);
options.putBoolean(EasAuthenticatorService.OPTIONS_EMAIL_SYNC_ENABLED, email);
final EmailServiceInfo info = getServiceInfo(context, hostAuth.mProtocol);
return AccountManager.get(context).addAccount(info.accountType, null, null, options, null,
callback, null);
}
public static void updateAccountManagerType(Context context,
android.accounts.Account amAccount, final Map<String, String> protocolMap) {
final ContentResolver resolver = context.getContentResolver();
final Cursor c = resolver.query(Account.CONTENT_URI, Account.CONTENT_PROJECTION,
AccountColumns.EMAIL_ADDRESS + "=?", new String[] { amAccount.name }, null);
// That's odd, isn't it?
if (c == null) return;
try {
if (c.moveToNext()) {
// Get the EmailProvider Account/HostAuth
final Account account = new Account();
account.restore(c);
final HostAuth hostAuth =
HostAuth.restoreHostAuthWithId(context, account.mHostAuthKeyRecv);
if (hostAuth == null) {
return;
}
final String newProtocol = protocolMap.get(hostAuth.mProtocol);
if (newProtocol == null) {
// This account doesn't need updating.
return;
}
LogUtils.w(LogUtils.TAG, "Converting %s to %s", amAccount.name, newProtocol);
final ContentValues accountValues = new ContentValues();
int oldFlags = account.mFlags;
// Mark the provider account incomplete so it can't get reconciled away
account.mFlags |= Account.FLAGS_INCOMPLETE;
accountValues.put(AccountColumns.FLAGS, account.mFlags);
final Uri accountUri = ContentUris.withAppendedId(Account.CONTENT_URI, account.mId);
resolver.update(accountUri, accountValues, null, null);
// Change the HostAuth to reference the new protocol; this has to be done before
// trying to create the AccountManager account (below)
final ContentValues hostValues = new ContentValues();
hostValues.put(HostAuthColumns.PROTOCOL, newProtocol);
resolver.update(ContentUris.withAppendedId(HostAuth.CONTENT_URI, hostAuth.mId),
hostValues, null, null);
LogUtils.w(LogUtils.TAG, "Updated HostAuths");
try {
// Get current settings for the existing AccountManager account
boolean email = ContentResolver.getSyncAutomatically(amAccount,
EmailContent.AUTHORITY);
if (!email) {
// Try our old provider name
email = ContentResolver.getSyncAutomatically(amAccount,
"com.android.email.provider");
}
final boolean contacts = ContentResolver.getSyncAutomatically(amAccount,
ContactsContract.AUTHORITY);
final boolean calendar = ContentResolver.getSyncAutomatically(amAccount,
CalendarContract.AUTHORITY);
LogUtils.w(LogUtils.TAG, "Email: %s, Contacts: %s Calendar: %s",
email, contacts, calendar);
// Get sync keys for calendar/contacts
final String amName = amAccount.name;
final String oldType = amAccount.type;
ContentProviderClient client = context.getContentResolver()
.acquireContentProviderClient(CalendarContract.CONTENT_URI);
byte[] calendarSyncKey = null;
try {
calendarSyncKey = SyncStateContract.Helpers.get(client,
asCalendarSyncAdapter(SyncState.CONTENT_URI, amName, oldType),
new android.accounts.Account(amName, oldType));
} catch (RemoteException e) {
LogUtils.w(LogUtils.TAG, "Get calendar key FAILED");
} finally {
client.release();
}
client = context.getContentResolver()
.acquireContentProviderClient(ContactsContract.AUTHORITY_URI);
byte[] contactsSyncKey = null;
try {
contactsSyncKey = SyncStateContract.Helpers.get(client,
ContactsContract.SyncState.CONTENT_URI,
new android.accounts.Account(amName, oldType));
} catch (RemoteException e) {
LogUtils.w(LogUtils.TAG, "Get contacts key FAILED");
} finally {
client.release();
}
if (calendarSyncKey != null) {
LogUtils.w(LogUtils.TAG, "Got calendar key: %s",
new String(calendarSyncKey));
}
if (contactsSyncKey != null) {
LogUtils.w(LogUtils.TAG, "Got contacts key: %s",
new String(contactsSyncKey));
}
// Set up a new AccountManager account with new type and old settings
AccountManagerFuture<?> amFuture = setupAccountManagerAccount(context, account,
email, calendar, contacts, null);
finishAccountManagerBlocker(amFuture);
LogUtils.w(LogUtils.TAG, "Created new AccountManager account");
// TODO: Clean up how we determine the type.
final String accountType = protocolMap.get(hostAuth.mProtocol + "_type");
// Move calendar and contacts data from the old account to the new one.
// We must do this before deleting the old account or the data is lost.
moveCalendarData(context.getContentResolver(), amName, oldType, accountType);
moveContactsData(context.getContentResolver(), amName, oldType, accountType);
// Delete the AccountManager account
amFuture = AccountManager.get(context)
.removeAccount(amAccount, null, null);
finishAccountManagerBlocker(amFuture);
LogUtils.w(LogUtils.TAG, "Deleted old AccountManager account");
// Restore sync keys for contacts/calendar
if (accountType != null &&
calendarSyncKey != null && calendarSyncKey.length != 0) {
client = context.getContentResolver()
.acquireContentProviderClient(CalendarContract.CONTENT_URI);
try {
SyncStateContract.Helpers.set(client,
asCalendarSyncAdapter(SyncState.CONTENT_URI, amName,
accountType),
new android.accounts.Account(amName, accountType),
calendarSyncKey);
LogUtils.w(LogUtils.TAG, "Set calendar key...");
} catch (RemoteException e) {
LogUtils.w(LogUtils.TAG, "Set calendar key FAILED");
} finally {
client.release();
}
}
if (accountType != null &&
contactsSyncKey != null && contactsSyncKey.length != 0) {
client = context.getContentResolver()
.acquireContentProviderClient(ContactsContract.AUTHORITY_URI);
try {
SyncStateContract.Helpers.set(client,
ContactsContract.SyncState.CONTENT_URI,
new android.accounts.Account(amName, accountType),
contactsSyncKey);
LogUtils.w(LogUtils.TAG, "Set contacts key...");
} catch (RemoteException e) {
LogUtils.w(LogUtils.TAG, "Set contacts key FAILED");
}
}
// That's all folks!
LogUtils.w(LogUtils.TAG, "Account update completed.");
} finally {
// Clear the incomplete flag on the provider account
accountValues.put(AccountColumns.FLAGS, oldFlags);
resolver.update(accountUri, accountValues, null, null);
LogUtils.w(LogUtils.TAG, "[Incomplete flag cleared]");
}
}
} finally {
c.close();
}
}
private static void moveCalendarData(final ContentResolver resolver, final String name,
final String oldType, final String newType) {
final Uri oldCalendars = Calendars.CONTENT_URI.buildUpon()
.appendQueryParameter(CalendarContract.CALLER_IS_SYNCADAPTER, "true")
.appendQueryParameter(Calendars.ACCOUNT_NAME, name)
.appendQueryParameter(Calendars.ACCOUNT_TYPE, oldType)
.build();
// Update this calendar to have the new account type.
final ContentValues values = new ContentValues();
values.put(CalendarContract.Calendars.ACCOUNT_TYPE, newType);
resolver.update(oldCalendars, values,
Calendars.ACCOUNT_NAME + "=? AND " + Calendars.ACCOUNT_TYPE + "=?",
new String[] {name, oldType});
}
private static void moveContactsData(final ContentResolver resolver, final String name,
final String oldType, final String newType) {
final Uri oldContacts = RawContacts.CONTENT_URI.buildUpon()
.appendQueryParameter(ContactsContract.CALLER_IS_SYNCADAPTER, "true")
.appendQueryParameter(RawContacts.ACCOUNT_NAME, name)
.appendQueryParameter(RawContacts.ACCOUNT_TYPE, oldType)
.build();
// Update this calendar to have the new account type.
final ContentValues values = new ContentValues();
values.put(CalendarContract.Calendars.ACCOUNT_TYPE, newType);
resolver.update(oldContacts, values, null, null);
}
private static final Configuration sOldConfiguration = new Configuration();
private static Map<String, EmailServiceInfo> sServiceMap = null;
private static final Object sServiceMapLock = new Object();
/**
* Parse services.xml file to find our available email services
*/
private static Map<String, EmailServiceInfo> getServiceMap(final Context context) {
synchronized (sServiceMapLock) {
/**
* We cache localized strings here, so make sure to regenerate the service map if
* the locale changes
*/
if (sServiceMap == null) {
sOldConfiguration.setTo(context.getResources().getConfiguration());
}
final int delta =
sOldConfiguration.updateFrom(context.getResources().getConfiguration());
if (sServiceMap != null
&& !Configuration.needNewResources(delta, ActivityInfo.CONFIG_LOCALE)) {
return sServiceMap;
}
final ImmutableMap.Builder<String, EmailServiceInfo> builder = ImmutableMap.builder();
if (!context.getResources().getBoolean(R.bool.enable_services)) {
// Return an empty map if services have been disabled because this is the Email
// Tombstone app.
sServiceMap = builder.build();
return sServiceMap;
}
try {
final Resources res = context.getResources();
final XmlResourceParser xml = res.getXml(R.xml.services);
int xmlEventType;
// walk through senders.xml file.
while ((xmlEventType = xml.next()) != XmlResourceParser.END_DOCUMENT) {
if (xmlEventType == XmlResourceParser.START_TAG &&
"emailservice".equals(xml.getName())) {
final EmailServiceInfo info = new EmailServiceInfo();
final TypedArray ta =
res.obtainAttributes(xml, R.styleable.EmailServiceInfo);
info.protocol = ta.getString(R.styleable.EmailServiceInfo_protocol);
info.accountType = ta.getString(R.styleable.EmailServiceInfo_accountType);
info.name = ta.getString(R.styleable.EmailServiceInfo_name);
info.hide = ta.getBoolean(R.styleable.EmailServiceInfo_hide, false);
final String klass =
ta.getString(R.styleable.EmailServiceInfo_serviceClass);
info.intentAction = ta.getString(R.styleable.EmailServiceInfo_intent);
info.intentPackage =
ta.getString(R.styleable.EmailServiceInfo_intentPackage);
info.defaultSsl =
ta.getBoolean(R.styleable.EmailServiceInfo_defaultSsl, false);
info.port = ta.getInteger(R.styleable.EmailServiceInfo_port, 0);
info.portSsl = ta.getInteger(R.styleable.EmailServiceInfo_portSsl, 0);
info.offerTls = ta.getBoolean(R.styleable.EmailServiceInfo_offerTls, false);
info.offerCerts =
ta.getBoolean(R.styleable.EmailServiceInfo_offerCerts, false);
info.offerOAuth =
ta.getBoolean(R.styleable.EmailServiceInfo_offerOAuth, false);
info.offerLocalDeletes =
ta.getBoolean(R.styleable.EmailServiceInfo_offerLocalDeletes, false);
info.defaultLocalDeletes =
ta.getInteger(R.styleable.EmailServiceInfo_defaultLocalDeletes,
Account.DELETE_POLICY_ON_DELETE);
info.offerPrefix =
ta.getBoolean(R.styleable.EmailServiceInfo_offerPrefix, false);
info.usesSmtp = ta.getBoolean(R.styleable.EmailServiceInfo_usesSmtp, false);
info.usesAutodiscover =
ta.getBoolean(R.styleable.EmailServiceInfo_usesAutodiscover, false);
info.offerLookback =
ta.getBoolean(R.styleable.EmailServiceInfo_offerLookback, false);
info.defaultLookback =
ta.getInteger(R.styleable.EmailServiceInfo_defaultLookback,
SyncWindow.SYNC_WINDOW_3_DAYS);
info.syncChanges =
ta.getBoolean(R.styleable.EmailServiceInfo_syncChanges, false);
info.syncContacts =
ta.getBoolean(R.styleable.EmailServiceInfo_syncContacts, false);
info.syncCalendar =
ta.getBoolean(R.styleable.EmailServiceInfo_syncCalendar, false);
info.offerAttachmentPreload =
ta.getBoolean(R.styleable.EmailServiceInfo_offerAttachmentPreload,
false);
info.syncIntervalStrings =
ta.getTextArray(R.styleable.EmailServiceInfo_syncIntervalStrings);
info.syncIntervals =
ta.getTextArray(R.styleable.EmailServiceInfo_syncIntervals);
info.defaultSyncInterval =
ta.getInteger(R.styleable.EmailServiceInfo_defaultSyncInterval, 15);
info.inferPrefix = ta.getString(R.styleable.EmailServiceInfo_inferPrefix);
info.offerLoadMore =
ta.getBoolean(R.styleable.EmailServiceInfo_offerLoadMore, false);
info.offerMoveTo =
ta.getBoolean(R.styleable.EmailServiceInfo_offerMoveTo, false);
info.requiresSetup =
ta.getBoolean(R.styleable.EmailServiceInfo_requiresSetup, false);
info.isGmailStub =
ta.getBoolean(R.styleable.EmailServiceInfo_isGmailStub, false);
// Must have either "class" (local) or "intent" (remote)
if (klass != null) {
try {
// noinspection unchecked
info.klass = (Class<? extends Service>) Class.forName(klass);
} catch (ClassNotFoundException e) {
throw new IllegalStateException(
"Class not found in service descriptor: " + klass);
}
}
if (info.klass == null &&
info.intentAction == null &&
!info.isGmailStub) {
throw new IllegalStateException(
"No class or intent action specified in service descriptor");
}
if (info.klass != null && info.intentAction != null) {
throw new IllegalStateException(
"Both class and intent action specified in service descriptor");
}
builder.put(info.protocol, info);
}
}
} catch (XmlPullParserException e) {
// ignore
} catch (IOException e) {
// ignore
}
sServiceMap = builder.build();
return sServiceMap;
}
}
/**
* Resolves a service name into a protocol name, or null if ambiguous
* @param context for loading service map
* @param accountType sync adapter service name
* @return protocol name or null
*/
public static @Nullable String getProtocolFromAccountType(final Context context,
final String accountType) {
if (TextUtils.isEmpty(accountType)) {
return null;
}
final Map <String, EmailServiceInfo> serviceInfoMap = getServiceMap(context);
String protocol = null;
for (final EmailServiceInfo info : serviceInfoMap.values()) {
if (TextUtils.equals(accountType, info.accountType)) {
if (!TextUtils.isEmpty(protocol) && !TextUtils.equals(protocol, info.protocol)) {
// More than one protocol matches
return null;
}
protocol = info.protocol;
}
}
return protocol;
}
private static Uri asCalendarSyncAdapter(Uri uri, String account, String accountType) {
return uri.buildUpon().appendQueryParameter(CalendarContract.CALLER_IS_SYNCADAPTER, "true")
.appendQueryParameter(Calendars.ACCOUNT_NAME, account)
.appendQueryParameter(Calendars.ACCOUNT_TYPE, accountType).build();
}
/**
* A no-op service that can be returned for non-existent/null protocols
*/
class NullService implements IEmailService {
@Override
public IBinder asBinder() {
return null;
}
@Override
public Bundle validate(HostAuthCompat hostauth) throws RemoteException {
return null;
}
@Override
public void loadAttachment(final IEmailServiceCallback cb, final long accountId,
final long attachmentId, final boolean background) throws RemoteException {
}
@Override
public void updateFolderList(long accountId) throws RemoteException {}
@Override
public void setLogging(int flags) throws RemoteException {
}
@Override
public Bundle autoDiscover(String userName, String password) throws RemoteException {
return null;
}
@Override
public void sendMeetingResponse(long messageId, int response) throws RemoteException {
}
@Override
public void deleteExternalAccountPIMData(final String emailAddress) throws RemoteException {
}
@Override
public int searchMessages(long accountId, SearchParams params, long destMailboxId)
throws RemoteException {
return 0;
}
@Override
public void sendMail(long accountId) throws RemoteException {
}
@Override
public void pushModify(long accountId) throws RemoteException {
}
@Override
public int sync(final long accountId, final Bundle syncExtras) {
return EmailServiceStatus.SUCCESS;
}
public int getApiVersion() {
return EmailServiceVersion.CURRENT;
}
}
public static void setComponentStatus(final Context context, Class<?> clazz, boolean enabled) {
final ComponentName c = new ComponentName(context, clazz.getName());
context.getPackageManager().setComponentEnabledSetting(c,
enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
: PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
PackageManager.DONT_KILL_APP);
}
/**
* This is a helper function that enables the proper Exchange component and disables
* the other Exchange component ensuring that only one is enabled at a time.
*/
public static void enableExchangeComponent(final Context context) {
if (VendorPolicyLoader.getInstance(context).useAlternateExchangeStrings()) {
LogUtils.d(LogUtils.TAG, "Enabling alternate EAS authenticator");
setComponentStatus(context, EasAuthenticatorServiceAlternate.class, true);
setComponentStatus(context, EasAuthenticatorService.class, false);
} else {
LogUtils.d(LogUtils.TAG, "Enabling EAS authenticator");
setComponentStatus(context, EasAuthenticatorService.class, true);
setComponentStatus(context,
EasAuthenticatorServiceAlternate.class, false);
}
}
public static void disableExchangeComponents(final Context context) {
LogUtils.d(LogUtils.TAG, "Disabling EAS authenticators");
setComponentStatus(context, EasAuthenticatorServiceAlternate.class, false);
setComponentStatus(context, EasAuthenticatorService.class, false);
}
}