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9dcb72e1ec
replicant-packages_apps_Email/src/com/android/email/provider/EmailProvider.java
Todd Kennedy 9dcb72e1ec Add "lastTouchedTime" column to the mailbox table 
The last touched time will track the last time a message within that mailbox
was read. This will be used for the recent list.

Change-Id: I97a5fda52fd09b416fc3278a11a87b807da05c9c
2011-06-03 08:51:25 -07:00

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/*
* Copyright (C) 2009 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.provider;
import com.android.email.Email;
import com.android.email.provider.ContentCache.CacheToken;
import com.android.email.service.AttachmentDownloadService;
import com.android.emailcommon.AccountManagerTypes;
import com.android.emailcommon.CalendarProviderStub;
import com.android.emailcommon.Logging;
import com.android.emailcommon.provider.EmailContent;
import com.android.emailcommon.provider.EmailContent.Account;
import com.android.emailcommon.provider.EmailContent.AccountColumns;
import com.android.emailcommon.provider.EmailContent.Attachment;
import com.android.emailcommon.provider.EmailContent.AttachmentColumns;
import com.android.emailcommon.provider.EmailContent.Body;
import com.android.emailcommon.provider.EmailContent.BodyColumns;
import com.android.emailcommon.provider.EmailContent.HostAuthColumns;
import com.android.emailcommon.provider.EmailContent.MailboxColumns;
import com.android.emailcommon.provider.EmailContent.Message;
import com.android.emailcommon.provider.EmailContent.MessageColumns;
import com.android.emailcommon.provider.EmailContent.PolicyColumns;
import com.android.emailcommon.provider.EmailContent.SyncColumns;
import com.android.emailcommon.provider.HostAuth;
import com.android.emailcommon.provider.Mailbox;
import com.android.emailcommon.provider.Policy;
import com.android.emailcommon.service.LegacyPolicySet;
import com.google.common.annotations.VisibleForTesting;
import android.accounts.AccountManager;
import android.content.ContentProvider;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.OperationApplicationException;
import android.content.UriMatcher;
import android.database.ContentObserver;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.database.sqlite.SQLiteOpenHelper;
import android.net.Uri;
import android.provider.ContactsContract;
import android.util.Log;
import java.io.File;
import java.util.ArrayList;
public class EmailProvider extends ContentProvider {
private static final String TAG = "EmailProvider";
protected static final String DATABASE_NAME = "EmailProvider.db";
protected static final String BODY_DATABASE_NAME = "EmailProviderBody.db";
protected static final String BACKUP_DATABASE_NAME = "EmailProviderBackup.db";
public static final String ACTION_ATTACHMENT_UPDATED = "com.android.email.ATTACHMENT_UPDATED";
public static final String ATTACHMENT_UPDATED_EXTRA_FLAGS =
"com.android.email.ATTACHMENT_UPDATED_FLAGS";
public static final String EMAIL_MESSAGE_MIME_TYPE =
"vnd.android.cursor.item/email-message";
public static final String EMAIL_ATTACHMENT_MIME_TYPE =
"vnd.android.cursor.item/email-attachment";
public static final Uri INTEGRITY_CHECK_URI =
Uri.parse("content://" + EmailContent.AUTHORITY + "/integrityCheck");
public static final Uri ACCOUNT_BACKUP_URI =
Uri.parse("content://" + EmailContent.AUTHORITY + "/accountBackup");
public static final Uri ACCOUNT_RESTORE_URI =
Uri.parse("content://" + EmailContent.AUTHORITY + "/accountRestore");
/** Appended to the notification URI for delete operations */
public static final String NOTIFICATION_OP_DELETE = "delete";
/** Appended to the notification URI for insert operations */
public static final String NOTIFICATION_OP_INSERT = "insert";
/** Appended to the notification URI for update operations */
public static final String NOTIFICATION_OP_UPDATE = "update";
// Definitions for our queries looking for orphaned messages
private static final String[] ORPHANS_PROJECTION
= new String[] {MessageColumns.ID, MessageColumns.MAILBOX_KEY};
private static final int ORPHANS_ID = 0;
private static final int ORPHANS_MAILBOX_KEY = 1;
private static final String WHERE_ID = EmailContent.RECORD_ID + "=?";
// We'll cache the following four tables; sizes are best estimates of effective values
private static final ContentCache sCacheAccount =
new ContentCache("Account", Account.CONTENT_PROJECTION, 4);
private static final ContentCache sCacheHostAuth =
new ContentCache("HostAuth", HostAuth.CONTENT_PROJECTION, 8);
/*package*/ static final ContentCache sCacheMailbox =
new ContentCache("Mailbox", Mailbox.CONTENT_PROJECTION, 8);
private static final ContentCache sCacheMessage =
new ContentCache("Message", Message.CONTENT_PROJECTION, 8);
private static final ContentCache sCachePolicy =
new ContentCache("Policy", Policy.CONTENT_PROJECTION, 4);
// Any changes to the database format *must* include update-in-place code.
// Original version: 3
// Version 4: Database wipe required; changing AccountManager interface w/Exchange
// Version 5: Database wipe required; changing AccountManager interface w/Exchange
// Version 6: Adding Message.mServerTimeStamp column
// Version 7: Replace the mailbox_delete trigger with a version that removes orphaned messages
// from the Message_Deletes and Message_Updates tables
// Version 8: Add security flags column to accounts table
// Version 9: Add security sync key and signature to accounts table
// Version 10: Add meeting info to message table
// Version 11: Add content and flags to attachment table
// Version 12: Add content_bytes to attachment table. content is deprecated.
// Version 13: Add messageCount to Mailbox table.
// Version 14: Add snippet to Message table
// Version 15: Fix upgrade problem in version 14.
// Version 16: Add accountKey to Attachment table
// Version 17: Add parentKey to Mailbox table
// Version 18: Copy Mailbox.displayName to Mailbox.serverId for all IMAP & POP3 mailboxes.
// Column Mailbox.serverId is used for the server-side pathname of a mailbox.
// Version 19: Add Policy table; add policyKey to Account table and trigger to delete an
// Account's policy when the Account is deleted
// Version 20: Add new policies to Policy table
// Version 21: Add lastSeenMessageKey column to Mailbox table
// Version 22: Upgrade path for IMAP/POP accounts to integrate with AccountManager
// Version 23: Add column to mailbox table for time of last access
public static final int DATABASE_VERSION = 23;
// Any changes to the database format *must* include update-in-place code.
// Original version: 2
// Version 3: Add "sourceKey" column
// Version 4: Database wipe required; changing AccountManager interface w/Exchange
// Version 5: Database wipe required; changing AccountManager interface w/Exchange
// Version 6: Adding Body.mIntroText column
public static final int BODY_DATABASE_VERSION = 6;
private static final int ACCOUNT_BASE = 0;
private static final int ACCOUNT = ACCOUNT_BASE;
private static final int ACCOUNT_ID = ACCOUNT_BASE + 1;
private static final int ACCOUNT_ID_ADD_TO_FIELD = ACCOUNT_BASE + 2;
private static final int ACCOUNT_RESET_NEW_COUNT = ACCOUNT_BASE + 3;
private static final int ACCOUNT_RESET_NEW_COUNT_ID = ACCOUNT_BASE + 4;
private static final int MAILBOX_BASE = 0x1000;
private static final int MAILBOX = MAILBOX_BASE;
private static final int MAILBOX_ID = MAILBOX_BASE + 1;
private static final int MAILBOX_ID_ADD_TO_FIELD = MAILBOX_BASE + 2;
private static final int MESSAGE_BASE = 0x2000;
private static final int MESSAGE = MESSAGE_BASE;
private static final int MESSAGE_ID = MESSAGE_BASE + 1;
private static final int SYNCED_MESSAGE_ID = MESSAGE_BASE + 2;
private static final int ATTACHMENT_BASE = 0x3000;
private static final int ATTACHMENT = ATTACHMENT_BASE;
private static final int ATTACHMENT_ID = ATTACHMENT_BASE + 1;
private static final int ATTACHMENTS_MESSAGE_ID = ATTACHMENT_BASE + 2;
private static final int HOSTAUTH_BASE = 0x4000;
private static final int HOSTAUTH = HOSTAUTH_BASE;
private static final int HOSTAUTH_ID = HOSTAUTH_BASE + 1;
private static final int UPDATED_MESSAGE_BASE = 0x5000;
private static final int UPDATED_MESSAGE = UPDATED_MESSAGE_BASE;
private static final int UPDATED_MESSAGE_ID = UPDATED_MESSAGE_BASE + 1;
private static final int DELETED_MESSAGE_BASE = 0x6000;
private static final int DELETED_MESSAGE = DELETED_MESSAGE_BASE;
private static final int DELETED_MESSAGE_ID = DELETED_MESSAGE_BASE + 1;
private static final int POLICY_BASE = 0x7000;
private static final int POLICY = POLICY_BASE;
private static final int POLICY_ID = POLICY_BASE + 1;
// MUST ALWAYS EQUAL THE LAST OF THE PREVIOUS BASE CONSTANTS
private static final int LAST_EMAIL_PROVIDER_DB_BASE = POLICY_BASE;
// DO NOT CHANGE BODY_BASE!!
private static final int BODY_BASE = LAST_EMAIL_PROVIDER_DB_BASE + 0x1000;
private static final int BODY = BODY_BASE;
private static final int BODY_ID = BODY_BASE + 1;
private static final int BASE_SHIFT = 12; // 12 bits to the base type: 0, 0x1000, 0x2000, etc.
// TABLE_NAMES MUST remain in the order of the BASE constants above (e.g. ACCOUNT_BASE = 0x0000,
// MESSAGE_BASE = 0x1000, etc.)
private static final String[] TABLE_NAMES = {
EmailContent.Account.TABLE_NAME,
Mailbox.TABLE_NAME,
EmailContent.Message.TABLE_NAME,
EmailContent.Attachment.TABLE_NAME,
HostAuth.TABLE_NAME,
EmailContent.Message.UPDATED_TABLE_NAME,
EmailContent.Message.DELETED_TABLE_NAME,
Policy.TABLE_NAME,
EmailContent.Body.TABLE_NAME
};
// CONTENT_CACHES MUST remain in the order of the BASE constants above
private static final ContentCache[] CONTENT_CACHES = {
sCacheAccount,
sCacheMailbox,
sCacheMessage,
null, // Attachment
sCacheHostAuth,
null, // Updated message
null, // Deleted message
sCachePolicy,
null // Body
};
private static final UriMatcher sURIMatcher = new UriMatcher(UriMatcher.NO_MATCH);
/**
* Let's only generate these SQL strings once, as they are used frequently
* Note that this isn't relevant for table creation strings, since they are used only once
*/
private static final String UPDATED_MESSAGE_INSERT = "insert or ignore into " +
Message.UPDATED_TABLE_NAME + " select * from " + Message.TABLE_NAME + " where " +
EmailContent.RECORD_ID + '=';
private static final String UPDATED_MESSAGE_DELETE = "delete from " +
Message.UPDATED_TABLE_NAME + " where " + EmailContent.RECORD_ID + '=';
private static final String DELETED_MESSAGE_INSERT = "insert or replace into " +
Message.DELETED_TABLE_NAME + " select * from " + Message.TABLE_NAME + " where " +
EmailContent.RECORD_ID + '=';
private static final String DELETE_ORPHAN_BODIES = "delete from " + Body.TABLE_NAME +
" where " + BodyColumns.MESSAGE_KEY + " in " + "(select " + BodyColumns.MESSAGE_KEY +
" from " + Body.TABLE_NAME + " except select " + EmailContent.RECORD_ID + " from " +
Message.TABLE_NAME + ')';
private static final String DELETE_BODY = "delete from " + Body.TABLE_NAME +
" where " + BodyColumns.MESSAGE_KEY + '=';
private static final String ID_EQUALS = EmailContent.RECORD_ID + "=?";
private static final String TRIGGER_MAILBOX_DELETE =
"create trigger mailbox_delete before delete on " + Mailbox.TABLE_NAME +
" begin" +
" delete from " + Message.TABLE_NAME +
" where " + MessageColumns.MAILBOX_KEY + "=old." + EmailContent.RECORD_ID +
"; delete from " + Message.UPDATED_TABLE_NAME +
" where " + MessageColumns.MAILBOX_KEY + "=old." + EmailContent.RECORD_ID +
"; delete from " + Message.DELETED_TABLE_NAME +
" where " + MessageColumns.MAILBOX_KEY + "=old." + EmailContent.RECORD_ID +
"; end";
private static final String TRIGGER_ACCOUNT_DELETE =
"create trigger account_delete before delete on " + Account.TABLE_NAME +
" begin delete from " + Mailbox.TABLE_NAME +
" where " + MailboxColumns.ACCOUNT_KEY + "=old." + EmailContent.RECORD_ID +
"; delete from " + HostAuth.TABLE_NAME +
" where " + EmailContent.RECORD_ID + "=old." + AccountColumns.HOST_AUTH_KEY_RECV +
"; delete from " + HostAuth.TABLE_NAME +
" where " + EmailContent.RECORD_ID + "=old." + AccountColumns.HOST_AUTH_KEY_SEND +
"; delete from " + Policy.TABLE_NAME +
" where " + EmailContent.RECORD_ID + "=old." + AccountColumns.POLICY_KEY +
"; end";
private static final ContentValues CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT;
public static final String MESSAGE_URI_PARAMETER_MAILBOX_ID = "mailboxId";
static {
// Email URI matching table
UriMatcher matcher = sURIMatcher;
// All accounts
matcher.addURI(EmailContent.AUTHORITY, "account", ACCOUNT);
// A specific account
// insert into this URI causes a mailbox to be added to the account
matcher.addURI(EmailContent.AUTHORITY, "account/#", ACCOUNT_ID);
// Special URI to reset the new message count. Only update works, and content values
// will be ignored.
matcher.addURI(EmailContent.AUTHORITY, "resetNewMessageCount",
ACCOUNT_RESET_NEW_COUNT);
matcher.addURI(EmailContent.AUTHORITY, "resetNewMessageCount/#",
ACCOUNT_RESET_NEW_COUNT_ID);
// All mailboxes
matcher.addURI(EmailContent.AUTHORITY, "mailbox", MAILBOX);
// A specific mailbox
// insert into this URI causes a message to be added to the mailbox
// ** NOTE For now, the accountKey must be set manually in the values!
matcher.addURI(EmailContent.AUTHORITY, "mailbox/#", MAILBOX_ID);
// All messages
matcher.addURI(EmailContent.AUTHORITY, "message", MESSAGE);
// A specific message
// insert into this URI causes an attachment to be added to the message
matcher.addURI(EmailContent.AUTHORITY, "message/#", MESSAGE_ID);
// A specific attachment
matcher.addURI(EmailContent.AUTHORITY, "attachment", ATTACHMENT);
// A specific attachment (the header information)
matcher.addURI(EmailContent.AUTHORITY, "attachment/#", ATTACHMENT_ID);
// The attachments of a specific message (query only) (insert & delete TBD)
matcher.addURI(EmailContent.AUTHORITY, "attachment/message/#",
ATTACHMENTS_MESSAGE_ID);
// All mail bodies
matcher.addURI(EmailContent.AUTHORITY, "body", BODY);
// A specific mail body
matcher.addURI(EmailContent.AUTHORITY, "body/#", BODY_ID);
// All hostauth records
matcher.addURI(EmailContent.AUTHORITY, "hostauth", HOSTAUTH);
// A specific hostauth
matcher.addURI(EmailContent.AUTHORITY, "hostauth/#", HOSTAUTH_ID);
// Atomically a constant value to a particular field of a mailbox/account
matcher.addURI(EmailContent.AUTHORITY, "mailboxIdAddToField/#",
MAILBOX_ID_ADD_TO_FIELD);
matcher.addURI(EmailContent.AUTHORITY, "accountIdAddToField/#",
ACCOUNT_ID_ADD_TO_FIELD);
/**
* THIS URI HAS SPECIAL SEMANTICS
* ITS USE IS INTENDED FOR THE UI APPLICATION TO MARK CHANGES THAT NEED TO BE SYNCED BACK
* TO A SERVER VIA A SYNC ADAPTER
*/
matcher.addURI(EmailContent.AUTHORITY, "syncedMessage/#", SYNCED_MESSAGE_ID);
/**
* THE URIs BELOW THIS POINT ARE INTENDED TO BE USED BY SYNC ADAPTERS ONLY
* THEY REFER TO DATA CREATED AND MAINTAINED BY CALLS TO THE SYNCED_MESSAGE_ID URI
* BY THE UI APPLICATION
*/
// All deleted messages
matcher.addURI(EmailContent.AUTHORITY, "deletedMessage", DELETED_MESSAGE);
// A specific deleted message
matcher.addURI(EmailContent.AUTHORITY, "deletedMessage/#", DELETED_MESSAGE_ID);
// All updated messages
matcher.addURI(EmailContent.AUTHORITY, "updatedMessage", UPDATED_MESSAGE);
// A specific updated message
matcher.addURI(EmailContent.AUTHORITY, "updatedMessage/#", UPDATED_MESSAGE_ID);
CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT = new ContentValues();
CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT.put(Account.NEW_MESSAGE_COUNT, 0);
matcher.addURI(EmailContent.AUTHORITY, "policy", POLICY);
matcher.addURI(EmailContent.AUTHORITY, "policy/#", POLICY_ID);
}
/**
* Wrap the UriMatcher call so we can throw a runtime exception if an unknown Uri is passed in
* @param uri the Uri to match
* @return the match value
*/
private static int findMatch(Uri uri, String methodName) {
int match = sURIMatcher.match(uri);
if (match < 0) {
throw new IllegalArgumentException("Unknown uri: " + uri);
} else if (Logging.LOGD) {
Log.v(TAG, methodName + ": uri=" + uri + ", match is " + match);
}
return match;
}
/*
* Internal helper method for index creation.
* Example:
* "create index message_" + MessageColumns.FLAG_READ
* + " on " + Message.TABLE_NAME + " (" + MessageColumns.FLAG_READ + ");"
*/
/* package */
static String createIndex(String tableName, String columnName) {
return "create index " + tableName.toLowerCase() + '_' + columnName
+ " on " + tableName + " (" + columnName + ");";
}
static void createMessageTable(SQLiteDatabase db) {
String messageColumns = MessageColumns.DISPLAY_NAME + " text, "
+ MessageColumns.TIMESTAMP + " integer, "
+ MessageColumns.SUBJECT + " text, "
+ MessageColumns.FLAG_READ + " integer, "
+ MessageColumns.FLAG_LOADED + " integer, "
+ MessageColumns.FLAG_FAVORITE + " integer, "
+ MessageColumns.FLAG_ATTACHMENT + " integer, "
+ MessageColumns.FLAGS + " integer, "
+ MessageColumns.CLIENT_ID + " integer, "
+ MessageColumns.MESSAGE_ID + " text, "
+ MessageColumns.MAILBOX_KEY + " integer, "
+ MessageColumns.ACCOUNT_KEY + " integer, "
+ MessageColumns.FROM_LIST + " text, "
+ MessageColumns.TO_LIST + " text, "
+ MessageColumns.CC_LIST + " text, "
+ MessageColumns.BCC_LIST + " text, "
+ MessageColumns.REPLY_TO_LIST + " text, "
+ MessageColumns.MEETING_INFO + " text, "
+ MessageColumns.SNIPPET + " text"
+ ");";
// This String and the following String MUST have the same columns, except for the type
// of those columns!
String createString = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
+ SyncColumns.SERVER_ID + " text, "
+ SyncColumns.SERVER_TIMESTAMP + " integer, "
+ messageColumns;
// For the updated and deleted tables, the id is assigned, but we do want to keep track
// of the ORDER of updates using an autoincrement primary key. We use the DATA column
// at this point; it has no other function
String altCreateString = " (" + EmailContent.RECORD_ID + " integer unique, "
+ SyncColumns.SERVER_ID + " text, "
+ SyncColumns.SERVER_TIMESTAMP + " integer, "
+ messageColumns;
// The three tables have the same schema
db.execSQL("create table " + Message.TABLE_NAME + createString);
db.execSQL("create table " + Message.UPDATED_TABLE_NAME + altCreateString);
db.execSQL("create table " + Message.DELETED_TABLE_NAME + altCreateString);
String indexColumns[] = {
MessageColumns.TIMESTAMP,
MessageColumns.FLAG_READ,
MessageColumns.FLAG_LOADED,
MessageColumns.MAILBOX_KEY,
SyncColumns.SERVER_ID
};
for (String columnName : indexColumns) {
db.execSQL(createIndex(Message.TABLE_NAME, columnName));
}
// Deleting a Message deletes all associated Attachments
// Deleting the associated Body cannot be done in a trigger, because the Body is stored
// in a separate database, and trigger cannot operate on attached databases.
db.execSQL("create trigger message_delete before delete on " + Message.TABLE_NAME +
" begin delete from " + Attachment.TABLE_NAME +
" where " + AttachmentColumns.MESSAGE_KEY + "=old." + EmailContent.RECORD_ID +
"; end");
// Add triggers to keep unread count accurate per mailbox
// NOTE: SQLite's before triggers are not safe when recursive triggers are involved.
// Use caution when changing them.
// Insert a message; if flagRead is zero, add to the unread count of the message's mailbox
db.execSQL("create trigger unread_message_insert before insert on " + Message.TABLE_NAME +
" when NEW." + MessageColumns.FLAG_READ + "=0" +
" begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
'=' + MailboxColumns.UNREAD_COUNT + "+1" +
" where " + EmailContent.RECORD_ID + "=NEW." + MessageColumns.MAILBOX_KEY +
"; end");
// Delete a message; if flagRead is zero, decrement the unread count of the msg's mailbox
db.execSQL("create trigger unread_message_delete before delete on " + Message.TABLE_NAME +
" when OLD." + MessageColumns.FLAG_READ + "=0" +
" begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
'=' + MailboxColumns.UNREAD_COUNT + "-1" +
" where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
"; end");
// Change a message's mailbox
db.execSQL("create trigger unread_message_move before update of " +
MessageColumns.MAILBOX_KEY + " on " + Message.TABLE_NAME +
" when OLD." + MessageColumns.FLAG_READ + "=0" +
" begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
'=' + MailboxColumns.UNREAD_COUNT + "-1" +
" where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
"; update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
'=' + MailboxColumns.UNREAD_COUNT + "+1" +
" where " + EmailContent.RECORD_ID + "=NEW." + MessageColumns.MAILBOX_KEY +
"; end");
// Change a message's read state
db.execSQL("create trigger unread_message_read before update of " +
MessageColumns.FLAG_READ + " on " + Message.TABLE_NAME +
" when OLD." + MessageColumns.FLAG_READ + "!=NEW." + MessageColumns.FLAG_READ +
" begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
'=' + MailboxColumns.UNREAD_COUNT + "+ case OLD." + MessageColumns.FLAG_READ +
" when 0 then -1 else 1 end" +
" where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
"; end");
// Add triggers to update message count per mailbox
// Insert a message.
db.execSQL("create trigger message_count_message_insert after insert on " +
Message.TABLE_NAME +
" begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
'=' + MailboxColumns.MESSAGE_COUNT + "+1" +
" where " + EmailContent.RECORD_ID + "=NEW." + MessageColumns.MAILBOX_KEY +
"; end");
// Delete a message; if flagRead is zero, decrement the unread count of the msg's mailbox
db.execSQL("create trigger message_count_message_delete after delete on " +
Message.TABLE_NAME +
" begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
'=' + MailboxColumns.MESSAGE_COUNT + "-1" +
" where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
"; end");
// Change a message's mailbox
db.execSQL("create trigger message_count_message_move after update of " +
MessageColumns.MAILBOX_KEY + " on " + Message.TABLE_NAME +
" begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
'=' + MailboxColumns.MESSAGE_COUNT + "-1" +
" where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
"; update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
'=' + MailboxColumns.MESSAGE_COUNT + "+1" +
" where " + EmailContent.RECORD_ID + "=NEW." + MessageColumns.MAILBOX_KEY +
"; end");
}
static void resetMessageTable(SQLiteDatabase db, int oldVersion, int newVersion) {
try {
db.execSQL("drop table " + Message.TABLE_NAME);
db.execSQL("drop table " + Message.UPDATED_TABLE_NAME);
db.execSQL("drop table " + Message.DELETED_TABLE_NAME);
} catch (SQLException e) {
}
createMessageTable(db);
}
@SuppressWarnings("deprecation")
static void createAccountTable(SQLiteDatabase db) {
String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
+ AccountColumns.DISPLAY_NAME + " text, "
+ AccountColumns.EMAIL_ADDRESS + " text, "
+ AccountColumns.SYNC_KEY + " text, "
+ AccountColumns.SYNC_LOOKBACK + " integer, "
+ AccountColumns.SYNC_INTERVAL + " text, "
+ AccountColumns.HOST_AUTH_KEY_RECV + " integer, "
+ AccountColumns.HOST_AUTH_KEY_SEND + " integer, "
+ AccountColumns.FLAGS + " integer, "
+ AccountColumns.IS_DEFAULT + " integer, "
+ AccountColumns.COMPATIBILITY_UUID + " text, "
+ AccountColumns.SENDER_NAME + " text, "
+ AccountColumns.RINGTONE_URI + " text, "
+ AccountColumns.PROTOCOL_VERSION + " text, "
+ AccountColumns.NEW_MESSAGE_COUNT + " integer, "
+ AccountColumns.SECURITY_FLAGS + " integer, "
+ AccountColumns.SECURITY_SYNC_KEY + " text, "
+ AccountColumns.SIGNATURE + " text, "
+ AccountColumns.POLICY_KEY + " integer"
+ ");";
db.execSQL("create table " + Account.TABLE_NAME + s);
// Deleting an account deletes associated Mailboxes and HostAuth's
db.execSQL(TRIGGER_ACCOUNT_DELETE);
}
static void resetAccountTable(SQLiteDatabase db, int oldVersion, int newVersion) {
try {
db.execSQL("drop table " + Account.TABLE_NAME);
} catch (SQLException e) {
}
createAccountTable(db);
}
static void createPolicyTable(SQLiteDatabase db) {
String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
+ PolicyColumns.PASSWORD_MODE + " integer, "
+ PolicyColumns.PASSWORD_MIN_LENGTH + " integer, "
+ PolicyColumns.PASSWORD_EXPIRATION_DAYS + " integer, "
+ PolicyColumns.PASSWORD_HISTORY + " integer, "
+ PolicyColumns.PASSWORD_COMPLEX_CHARS + " integer, "
+ PolicyColumns.PASSWORD_MAX_FAILS + " integer, "
+ PolicyColumns.MAX_SCREEN_LOCK_TIME + " integer, "
+ PolicyColumns.REQUIRE_REMOTE_WIPE + " integer, "
+ PolicyColumns.REQUIRE_ENCRYPTION + " integer, "
+ PolicyColumns.REQUIRE_ENCRYPTION_EXTERNAL + " integer, "
+ PolicyColumns.REQUIRE_MANUAL_SYNC_WHEN_ROAMING + " integer, "
+ PolicyColumns.DONT_ALLOW_CAMERA + " integer, "
+ PolicyColumns.DONT_ALLOW_ATTACHMENTS + " integer, "
+ PolicyColumns.DONT_ALLOW_HTML + " integer, "
+ PolicyColumns.MAX_ATTACHMENT_SIZE + " integer, "
+ PolicyColumns.MAX_TEXT_TRUNCATION_SIZE + " integer, "
+ PolicyColumns.MAX_HTML_TRUNCATION_SIZE + " integer, "
+ PolicyColumns.MAX_EMAIL_LOOKBACK + " integer, "
+ PolicyColumns.MAX_CALENDAR_LOOKBACK + " integer, "
+ PolicyColumns.PASSWORD_RECOVERY_ENABLED + " integer"
+ ");";
db.execSQL("create table " + Policy.TABLE_NAME + s);
}
static void createHostAuthTable(SQLiteDatabase db) {
String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
+ HostAuthColumns.PROTOCOL + " text, "
+ HostAuthColumns.ADDRESS + " text, "
+ HostAuthColumns.PORT + " integer, "
+ HostAuthColumns.FLAGS + " integer, "
+ HostAuthColumns.LOGIN + " text, "
+ HostAuthColumns.PASSWORD + " text, "
+ HostAuthColumns.DOMAIN + " text, "
+ HostAuthColumns.ACCOUNT_KEY + " integer"
+ ");";
db.execSQL("create table " + HostAuth.TABLE_NAME + s);
}
static void resetHostAuthTable(SQLiteDatabase db, int oldVersion, int newVersion) {
try {
db.execSQL("drop table " + HostAuth.TABLE_NAME);
} catch (SQLException e) {
}
createHostAuthTable(db);
}
static void createMailboxTable(SQLiteDatabase db) {
String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
+ MailboxColumns.DISPLAY_NAME + " text, "
+ MailboxColumns.SERVER_ID + " text, "
+ MailboxColumns.PARENT_SERVER_ID + " text, "
+ MailboxColumns.PARENT_KEY + " integer, "
+ MailboxColumns.ACCOUNT_KEY + " integer, "
+ MailboxColumns.TYPE + " integer, "
+ MailboxColumns.DELIMITER + " integer, "
+ MailboxColumns.SYNC_KEY + " text, "
+ MailboxColumns.SYNC_LOOKBACK + " integer, "
+ MailboxColumns.SYNC_INTERVAL + " integer, "
+ MailboxColumns.SYNC_TIME + " integer, "
+ MailboxColumns.UNREAD_COUNT + " integer, "
+ MailboxColumns.FLAG_VISIBLE + " integer, "
+ MailboxColumns.FLAGS + " integer, "
+ MailboxColumns.VISIBLE_LIMIT + " integer, "
+ MailboxColumns.SYNC_STATUS + " text, "
+ MailboxColumns.MESSAGE_COUNT + " integer not null default 0, "
+ MailboxColumns.LAST_SEEN_MESSAGE_KEY + " integer"
+ ");";
db.execSQL("create table " + Mailbox.TABLE_NAME + s);
db.execSQL("create index mailbox_" + MailboxColumns.SERVER_ID
+ " on " + Mailbox.TABLE_NAME + " (" + MailboxColumns.SERVER_ID + ")");
db.execSQL("create index mailbox_" + MailboxColumns.ACCOUNT_KEY
+ " on " + Mailbox.TABLE_NAME + " (" + MailboxColumns.ACCOUNT_KEY + ")");
// Deleting a Mailbox deletes associated Messages in all three tables
db.execSQL(TRIGGER_MAILBOX_DELETE);
}
static void resetMailboxTable(SQLiteDatabase db, int oldVersion, int newVersion) {
try {
db.execSQL("drop table " + Mailbox.TABLE_NAME);
} catch (SQLException e) {
}
createMailboxTable(db);
}
static void createAttachmentTable(SQLiteDatabase db) {
String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
+ AttachmentColumns.FILENAME + " text, "
+ AttachmentColumns.MIME_TYPE + " text, "
+ AttachmentColumns.SIZE + " integer, "
+ AttachmentColumns.CONTENT_ID + " text, "
+ AttachmentColumns.CONTENT_URI + " text, "
+ AttachmentColumns.MESSAGE_KEY + " integer, "
+ AttachmentColumns.LOCATION + " text, "
+ AttachmentColumns.ENCODING + " text, "
+ AttachmentColumns.CONTENT + " text, "
+ AttachmentColumns.FLAGS + " integer, "
+ AttachmentColumns.CONTENT_BYTES + " blob, "
+ AttachmentColumns.ACCOUNT_KEY + " integer"
+ ");";
db.execSQL("create table " + Attachment.TABLE_NAME + s);
db.execSQL(createIndex(Attachment.TABLE_NAME, AttachmentColumns.MESSAGE_KEY));
}
static void resetAttachmentTable(SQLiteDatabase db, int oldVersion, int newVersion) {
try {
db.execSQL("drop table " + Attachment.TABLE_NAME);
} catch (SQLException e) {
}
createAttachmentTable(db);
}
static void createBodyTable(SQLiteDatabase db) {
String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
+ BodyColumns.MESSAGE_KEY + " integer, "
+ BodyColumns.HTML_CONTENT + " text, "
+ BodyColumns.TEXT_CONTENT + " text, "
+ BodyColumns.HTML_REPLY + " text, "
+ BodyColumns.TEXT_REPLY + " text, "
+ BodyColumns.SOURCE_MESSAGE_KEY + " text, "
+ BodyColumns.INTRO_TEXT + " text"
+ ");";
db.execSQL("create table " + Body.TABLE_NAME + s);
db.execSQL(createIndex(Body.TABLE_NAME, BodyColumns.MESSAGE_KEY));
}
static void upgradeBodyTable(SQLiteDatabase db, int oldVersion, int newVersion) {
if (oldVersion < 5) {
try {
db.execSQL("drop table " + Body.TABLE_NAME);
createBodyTable(db);
} catch (SQLException e) {
}
} else if (oldVersion == 5) {
try {
db.execSQL("alter table " + Body.TABLE_NAME
+ " add " + BodyColumns.INTRO_TEXT + " text");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProviderBody.db from v5 to v6", e);
}
oldVersion = 6;
}
}
private SQLiteDatabase mDatabase;
private SQLiteDatabase mBodyDatabase;
public synchronized SQLiteDatabase getDatabase(Context context) {
// Always return the cached database, if we've got one
if (mDatabase != null) {
return mDatabase;
}
// Whenever we create or re-cache the databases, make sure that we haven't lost one
// to corruption
checkDatabases();
DatabaseHelper helper = new DatabaseHelper(context, DATABASE_NAME);
mDatabase = helper.getWritableDatabase();
if (mDatabase != null) {
mDatabase.setLockingEnabled(true);
BodyDatabaseHelper bodyHelper = new BodyDatabaseHelper(context, BODY_DATABASE_NAME);
mBodyDatabase = bodyHelper.getWritableDatabase();
if (mBodyDatabase != null) {
mBodyDatabase.setLockingEnabled(true);
String bodyFileName = mBodyDatabase.getPath();
mDatabase.execSQL("attach \"" + bodyFileName + "\" as BodyDatabase");
}
}
// Check for any orphaned Messages in the updated/deleted tables
deleteOrphans(mDatabase, Message.UPDATED_TABLE_NAME);
deleteOrphans(mDatabase, Message.DELETED_TABLE_NAME);
return mDatabase;
}
/*package*/ static SQLiteDatabase getReadableDatabase(Context context) {
DatabaseHelper helper = new EmailProvider().new DatabaseHelper(context, DATABASE_NAME);
return helper.getReadableDatabase();
}
/** {@inheritDoc} */
@Override
public void shutdown() {
if (mDatabase != null) {
mDatabase.close();
mDatabase = null;
}
if (mBodyDatabase != null) {
mBodyDatabase.close();
mBodyDatabase = null;
}
}
/*package*/ static void deleteOrphans(SQLiteDatabase database, String tableName) {
if (database != null) {
// We'll look at all of the items in the table; there won't be many typically
Cursor c = database.query(tableName, ORPHANS_PROJECTION, null, null, null, null, null);
// Usually, there will be nothing in these tables, so make a quick check
try {
if (c.getCount() == 0) return;
ArrayList<Long> foundMailboxes = new ArrayList<Long>();
ArrayList<Long> notFoundMailboxes = new ArrayList<Long>();
ArrayList<Long> deleteList = new ArrayList<Long>();
String[] bindArray = new String[1];
while (c.moveToNext()) {
// Get the mailbox key and see if we've already found this mailbox
// If so, we're fine
long mailboxId = c.getLong(ORPHANS_MAILBOX_KEY);
// If we already know this mailbox doesn't exist, mark the message for deletion
if (notFoundMailboxes.contains(mailboxId)) {
deleteList.add(c.getLong(ORPHANS_ID));
// If we don't know about this mailbox, we'll try to find it
} else if (!foundMailboxes.contains(mailboxId)) {
bindArray[0] = Long.toString(mailboxId);
Cursor boxCursor = database.query(Mailbox.TABLE_NAME,
Mailbox.ID_PROJECTION, WHERE_ID, bindArray, null, null, null);
try {
// If it exists, we'll add it to the "found" mailboxes
if (boxCursor.moveToFirst()) {
foundMailboxes.add(mailboxId);
// Otherwise, we'll add to "not found" and mark the message for deletion
} else {
notFoundMailboxes.add(mailboxId);
deleteList.add(c.getLong(ORPHANS_ID));
}
} finally {
boxCursor.close();
}
}
}
// Now, delete the orphan messages
for (long messageId: deleteList) {
bindArray[0] = Long.toString(messageId);
database.delete(tableName, WHERE_ID, bindArray);
}
} finally {
c.close();
}
}
}
private class BodyDatabaseHelper extends SQLiteOpenHelper {
BodyDatabaseHelper(Context context, String name) {
super(context, name, null, BODY_DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
Log.d(TAG, "Creating EmailProviderBody database");
createBodyTable(db);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
upgradeBodyTable(db, oldVersion, newVersion);
}
@Override
public void onOpen(SQLiteDatabase db) {
}
}
private class DatabaseHelper extends SQLiteOpenHelper {
Context mContext;
DatabaseHelper(Context context, String name) {
super(context, name, null, DATABASE_VERSION);
mContext = context;
}
@Override
public void onCreate(SQLiteDatabase db) {
Log.d(TAG, "Creating EmailProvider database");
// Create all tables here; each class has its own method
createMessageTable(db);
createAttachmentTable(db);
createMailboxTable(db);
createHostAuthTable(db);
createAccountTable(db);
createPolicyTable(db);
}
@Override
@SuppressWarnings("deprecation")
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// For versions prior to 5, delete all data
// Versions >= 5 require that data be preserved!
if (oldVersion < 5) {
android.accounts.Account[] accounts = AccountManager.get(mContext)
.getAccountsByType(AccountManagerTypes.TYPE_EXCHANGE);
for (android.accounts.Account account: accounts) {
AccountManager.get(mContext).removeAccount(account, null, null);
}
resetMessageTable(db, oldVersion, newVersion);
resetAttachmentTable(db, oldVersion, newVersion);
resetMailboxTable(db, oldVersion, newVersion);
resetHostAuthTable(db, oldVersion, newVersion);
resetAccountTable(db, oldVersion, newVersion);
return;
}
if (oldVersion == 5) {
// Message Tables: Add SyncColumns.SERVER_TIMESTAMP
try {
db.execSQL("alter table " + Message.TABLE_NAME
+ " add column " + SyncColumns.SERVER_TIMESTAMP + " integer" + ";");
db.execSQL("alter table " + Message.UPDATED_TABLE_NAME
+ " add column " + SyncColumns.SERVER_TIMESTAMP + " integer" + ";");
db.execSQL("alter table " + Message.DELETED_TABLE_NAME
+ " add column " + SyncColumns.SERVER_TIMESTAMP + " integer" + ";");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from v5 to v6", e);
}
oldVersion = 6;
}
if (oldVersion == 6) {
// Use the newer mailbox_delete trigger
db.execSQL("drop trigger mailbox_delete;");
db.execSQL(TRIGGER_MAILBOX_DELETE);
oldVersion = 7;
}
if (oldVersion == 7) {
// add the security (provisioning) column
try {
db.execSQL("alter table " + Account.TABLE_NAME
+ " add column " + AccountColumns.SECURITY_FLAGS + " integer" + ";");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 7 to 8 " + e);
}
oldVersion = 8;
}
if (oldVersion == 8) {
// accounts: add security sync key & user signature columns
try {
db.execSQL("alter table " + Account.TABLE_NAME
+ " add column " + AccountColumns.SECURITY_SYNC_KEY + " text" + ";");
db.execSQL("alter table " + Account.TABLE_NAME
+ " add column " + AccountColumns.SIGNATURE + " text" + ";");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 8 to 9 " + e);
}
oldVersion = 9;
}
if (oldVersion == 9) {
// Message: add meeting info column into Message tables
try {
db.execSQL("alter table " + Message.TABLE_NAME
+ " add column " + MessageColumns.MEETING_INFO + " text" + ";");
db.execSQL("alter table " + Message.UPDATED_TABLE_NAME
+ " add column " + MessageColumns.MEETING_INFO + " text" + ";");
db.execSQL("alter table " + Message.DELETED_TABLE_NAME
+ " add column " + MessageColumns.MEETING_INFO + " text" + ";");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 9 to 10 " + e);
}
oldVersion = 10;
}
if (oldVersion == 10) {
// Attachment: add content and flags columns
try {
db.execSQL("alter table " + Attachment.TABLE_NAME
+ " add column " + AttachmentColumns.CONTENT + " text" + ";");
db.execSQL("alter table " + Attachment.TABLE_NAME
+ " add column " + AttachmentColumns.FLAGS + " integer" + ";");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 10 to 11 " + e);
}
oldVersion = 11;
}
if (oldVersion == 11) {
// Attachment: add content_bytes
try {
db.execSQL("alter table " + Attachment.TABLE_NAME
+ " add column " + AttachmentColumns.CONTENT_BYTES + " blob" + ";");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 11 to 12 " + e);
}
oldVersion = 12;
}
if (oldVersion == 12) {
try {
db.execSQL("alter table " + Mailbox.TABLE_NAME
+ " add column " + Mailbox.MESSAGE_COUNT
+" integer not null default 0" + ";");
recalculateMessageCount(db);
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 12 to 13 " + e);
}
oldVersion = 13;
}
if (oldVersion == 13) {
try {
db.execSQL("alter table " + Message.TABLE_NAME
+ " add column " + Message.SNIPPET
+" text" + ";");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 13 to 14 " + e);
}
oldVersion = 14;
}
if (oldVersion == 14) {
try {
db.execSQL("alter table " + Message.DELETED_TABLE_NAME
+ " add column " + Message.SNIPPET +" text" + ";");
db.execSQL("alter table " + Message.UPDATED_TABLE_NAME
+ " add column " + Message.SNIPPET +" text" + ";");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 14 to 15 " + e);
}
oldVersion = 15;
}
if (oldVersion == 15) {
try {
db.execSQL("alter table " + Attachment.TABLE_NAME
+ " add column " + Attachment.ACCOUNT_KEY +" integer" + ";");
// Update all existing attachments to add the accountKey data
db.execSQL("update " + Attachment.TABLE_NAME + " set " +
Attachment.ACCOUNT_KEY + "= (SELECT " + Message.TABLE_NAME + "." +
Message.ACCOUNT_KEY + " from " + Message.TABLE_NAME + " where " +
Message.TABLE_NAME + "." + Message.RECORD_ID + " = " +
Attachment.TABLE_NAME + "." + Attachment.MESSAGE_KEY + ")");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 15 to 16 " + e);
}
oldVersion = 16;
}
if (oldVersion == 16) {
try {
db.execSQL("alter table " + Mailbox.TABLE_NAME
+ " add column " + Mailbox.PARENT_KEY + " integer;");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 16 to 17 " + e);
}
oldVersion = 17;
}
if (oldVersion == 17) {
upgradeFromVersion17ToVersion18(db);
oldVersion = 18;
}
if (oldVersion == 18) {
try {
db.execSQL("alter table " + Account.TABLE_NAME
+ " add column " + Account.POLICY_KEY + " integer;");
db.execSQL("drop trigger account_delete;");
db.execSQL(TRIGGER_ACCOUNT_DELETE);
createPolicyTable(db);
convertPolicyFlagsToPolicyTable(db);
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 18 to 19 " + e);
}
oldVersion = 19;
}
if (oldVersion == 19) {
try {
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.REQUIRE_MANUAL_SYNC_WHEN_ROAMING +
" integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.DONT_ALLOW_CAMERA + " integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.DONT_ALLOW_ATTACHMENTS + " integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.DONT_ALLOW_HTML + " integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.MAX_ATTACHMENT_SIZE + " integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.MAX_TEXT_TRUNCATION_SIZE +
" integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.MAX_HTML_TRUNCATION_SIZE +
" integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.MAX_EMAIL_LOOKBACK + " integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.MAX_CALENDAR_LOOKBACK + " integer;");
db.execSQL("alter table " + Policy.TABLE_NAME
+ " add column " + PolicyColumns.PASSWORD_RECOVERY_ENABLED +
" integer;");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 19 to 20 " + e);
}
oldVersion = 20;
}
if (oldVersion == 20) {
upgradeFromVersion20ToVersion21(db);
oldVersion = 21;
}
if (oldVersion == 21) {
upgradeFromVersion21ToVersion22(db, mContext);
oldVersion = 22;
}
if (oldVersion == 22) {
upgradeFromVersion22ToVersion23(db);
oldVersion = 23;
}
}
@Override
public void onOpen(SQLiteDatabase db) {
}
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
final int match = findMatch(uri, "delete");
Context context = getContext();
// Pick the correct database for this operation
// If we're in a transaction already (which would happen during applyBatch), then the
// body database is already attached to the email database and any attempt to use the
// body database directly will result in a SQLiteException (the database is locked)
SQLiteDatabase db = getDatabase(context);
int table = match >> BASE_SHIFT;
String id = "0";
boolean messageDeletion = false;
ContentResolver resolver = context.getContentResolver();
ContentCache cache = CONTENT_CACHES[table];
String tableName = TABLE_NAMES[table];
int result = -1;
try {
switch (match) {
// These are cases in which one or more Messages might get deleted, either by
// cascade or explicitly
case MAILBOX_ID:
case MAILBOX:
case ACCOUNT_ID:
case ACCOUNT:
case MESSAGE:
case SYNCED_MESSAGE_ID:
case MESSAGE_ID:
// Handle lost Body records here, since this cannot be done in a trigger
// The process is:
// 1) Begin a transaction, ensuring that both databases are affected atomically
// 2) Do the requested deletion, with cascading deletions handled in triggers
// 3) End the transaction, committing all changes atomically
//
// Bodies are auto-deleted here; Attachments are auto-deleted via trigger
messageDeletion = true;
db.beginTransaction();
break;
}
switch (match) {
case BODY_ID:
case DELETED_MESSAGE_ID:
case SYNCED_MESSAGE_ID:
case MESSAGE_ID:
case UPDATED_MESSAGE_ID:
case ATTACHMENT_ID:
case MAILBOX_ID:
case ACCOUNT_ID:
case HOSTAUTH_ID:
case POLICY_ID:
id = uri.getPathSegments().get(1);
if (match == SYNCED_MESSAGE_ID) {
// For synced messages, first copy the old message to the deleted table and
// delete it from the updated table (in case it was updated first)
// Note that this is all within a transaction, for atomicity
db.execSQL(DELETED_MESSAGE_INSERT + id);
db.execSQL(UPDATED_MESSAGE_DELETE + id);
}
if (cache != null) {
cache.lock(id);
}
try {
result = db.delete(tableName, whereWithId(id, selection), selectionArgs);
if (cache != null) {
switch(match) {
case ACCOUNT_ID:
// Account deletion will clear all of the caches, as HostAuth's,
// Mailboxes, and Messages will be deleted in the process
sCacheMailbox.invalidate("Delete", uri, selection);
sCacheHostAuth.invalidate("Delete", uri, selection);
//$FALL-THROUGH$
case MAILBOX_ID:
// Mailbox deletion will clear the Message cache
sCacheMessage.invalidate("Delete", uri, selection);
//$FALL-THROUGH$
case SYNCED_MESSAGE_ID:
case MESSAGE_ID:
case HOSTAUTH_ID:
cache.invalidate("Delete", uri, selection);
break;
}
}
} finally {
if (cache != null) {
cache.unlock(id);
}
}
break;
case ATTACHMENTS_MESSAGE_ID:
// All attachments for the given message
id = uri.getPathSegments().get(2);
result = db.delete(tableName,
whereWith(Attachment.MESSAGE_KEY + "=" + id, selection), selectionArgs);
break;
case BODY:
case MESSAGE:
case DELETED_MESSAGE:
case UPDATED_MESSAGE:
case ATTACHMENT:
case MAILBOX:
case ACCOUNT:
case HOSTAUTH:
case POLICY:
switch(match) {
// See the comments above for deletion of ACCOUNT_ID, etc
case ACCOUNT:
sCacheMailbox.invalidate("Delete", uri, selection);
sCacheHostAuth.invalidate("Delete", uri, selection);
//$FALL-THROUGH$
case MAILBOX:
sCacheMessage.invalidate("Delete", uri, selection);
//$FALL-THROUGH$
case MESSAGE:
case HOSTAUTH:
cache.invalidate("Delete", uri, selection);
break;
}
result = db.delete(tableName, selection, selectionArgs);
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (messageDeletion) {
if (match == MESSAGE_ID) {
// Delete the Body record associated with the deleted message
db.execSQL(DELETE_BODY + id);
} else {
// Delete any orphaned Body records
db.execSQL(DELETE_ORPHAN_BODIES);
}
db.setTransactionSuccessful();
}
} catch (SQLiteException e) {
checkDatabases();
throw e;
} finally {
if (messageDeletion) {
db.endTransaction();
}
}
// Notify all notifier cursors
sendNotifierChange(getBaseNotificationUri(match), NOTIFICATION_OP_DELETE, id);
// Notify all email content cursors
resolver.notifyChange(EmailContent.CONTENT_URI, null);
return result;
}
@Override
// Use the email- prefix because message, mailbox, and account are so generic (e.g. SMS, IM)
public String getType(Uri uri) {
int match = findMatch(uri, "getType");
switch (match) {
case BODY_ID:
return "vnd.android.cursor.item/email-body";
case BODY:
return "vnd.android.cursor.dir/email-body";
case UPDATED_MESSAGE_ID:
case MESSAGE_ID:
// NOTE: According to the framework folks, we're supposed to invent mime types as
// a way of passing information to drag & drop recipients.
// If there's a mailboxId parameter in the url, we respond with a mime type that
// has -n appended, where n is the mailboxId of the message. The drag & drop code
// uses this information to know not to allow dragging the item to its own mailbox
String mimeType = EMAIL_MESSAGE_MIME_TYPE;
String mailboxId = uri.getQueryParameter(MESSAGE_URI_PARAMETER_MAILBOX_ID);
if (mailboxId != null) {
mimeType += "-" + mailboxId;
}
return mimeType;
case UPDATED_MESSAGE:
case MESSAGE:
return "vnd.android.cursor.dir/email-message";
case MAILBOX:
return "vnd.android.cursor.dir/email-mailbox";
case MAILBOX_ID:
return "vnd.android.cursor.item/email-mailbox";
case ACCOUNT:
return "vnd.android.cursor.dir/email-account";
case ACCOUNT_ID:
return "vnd.android.cursor.item/email-account";
case ATTACHMENTS_MESSAGE_ID:
case ATTACHMENT:
return "vnd.android.cursor.dir/email-attachment";
case ATTACHMENT_ID:
return EMAIL_ATTACHMENT_MIME_TYPE;
case HOSTAUTH:
return "vnd.android.cursor.dir/email-hostauth";
case HOSTAUTH_ID:
return "vnd.android.cursor.item/email-hostauth";
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
}
@Override
public Uri insert(Uri uri, ContentValues values) {
int match = findMatch(uri, "insert");
Context context = getContext();
ContentResolver resolver = context.getContentResolver();
// See the comment at delete(), above
SQLiteDatabase db = getDatabase(context);
int table = match >> BASE_SHIFT;
String id = "0";
long longId;
// We do NOT allow setting of unreadCount/messageCount via the provider
// These columns are maintained via triggers
if (match == MAILBOX_ID || match == MAILBOX) {
values.put(MailboxColumns.UNREAD_COUNT, 0);
values.put(MailboxColumns.MESSAGE_COUNT, 0);
}
Uri resultUri = null;
try {
switch (match) {
case MESSAGE:
case UPDATED_MESSAGE:
case DELETED_MESSAGE:
case BODY:
case ATTACHMENT:
case MAILBOX:
case ACCOUNT:
case HOSTAUTH:
case POLICY:
longId = db.insert(TABLE_NAMES[table], "foo", values);
resultUri = ContentUris.withAppendedId(uri, longId);
// Clients shouldn't normally be adding rows to these tables, as they are
// maintained by triggers. However, we need to be able to do this for unit
// testing, so we allow the insert and then throw the same exception that we
// would if this weren't allowed.
if (match == UPDATED_MESSAGE || match == DELETED_MESSAGE) {
throw new IllegalArgumentException("Unknown URL " + uri);
}
if (match == ATTACHMENT) {
int flags = 0;
if (values.containsKey(Attachment.FLAGS)) {
flags = values.getAsInteger(Attachment.FLAGS);
}
// Report all new attachments to the download service
AttachmentDownloadService.attachmentChanged(longId, flags);
}
break;
case MAILBOX_ID:
// This implies adding a message to a mailbox
// Hmm, a problem here is that we can't link the account as well, so it must be
// already in the values...
longId = Long.parseLong(uri.getPathSegments().get(1));
values.put(MessageColumns.MAILBOX_KEY, longId);
return insert(Message.CONTENT_URI, values); // Recurse
case MESSAGE_ID:
// This implies adding an attachment to a message.
id = uri.getPathSegments().get(1);
longId = Long.parseLong(id);
values.put(AttachmentColumns.MESSAGE_KEY, longId);
return insert(Attachment.CONTENT_URI, values); // Recurse
case ACCOUNT_ID:
// This implies adding a mailbox to an account.
longId = Long.parseLong(uri.getPathSegments().get(1));
values.put(MailboxColumns.ACCOUNT_KEY, longId);
return insert(Mailbox.CONTENT_URI, values); // Recurse
case ATTACHMENTS_MESSAGE_ID:
longId = db.insert(TABLE_NAMES[table], "foo", values);
resultUri = ContentUris.withAppendedId(Attachment.CONTENT_URI, longId);
break;
default:
throw new IllegalArgumentException("Unknown URL " + uri);
}
} catch (SQLiteException e) {
checkDatabases();
throw e;
}
// Notify all notifier cursors
sendNotifierChange(getBaseNotificationUri(match), NOTIFICATION_OP_INSERT, id);
// Notify all existing cursors.
resolver.notifyChange(EmailContent.CONTENT_URI, null);
return resultUri;
}
@Override
public boolean onCreate() {
checkDatabases();
return false;
}
/**
* The idea here is that the two databases (EmailProvider.db and EmailProviderBody.db must
* always be in sync (i.e. there are two database or NO databases). This code will delete
* any "orphan" database, so that both will be created together. Note that an "orphan" database
* will exist after either of the individual databases is deleted due to data corruption.
*/
public void checkDatabases() {
// Uncache the databases
if (mDatabase != null) {
mDatabase = null;
}
if (mBodyDatabase != null) {
mBodyDatabase = null;
}
// Look for orphans, and delete as necessary; these must always be in sync
File databaseFile = getContext().getDatabasePath(DATABASE_NAME);
File bodyFile = getContext().getDatabasePath(BODY_DATABASE_NAME);
// TODO Make sure attachments are deleted
if (databaseFile.exists() && !bodyFile.exists()) {
Log.w(TAG, "Deleting orphaned EmailProvider database...");
databaseFile.delete();
} else if (bodyFile.exists() && !databaseFile.exists()) {
Log.w(TAG, "Deleting orphaned EmailProviderBody database...");
bodyFile.delete();
}
}
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
long time = 0L;
if (Email.DEBUG) {
time = System.nanoTime();
}
Cursor c = null;
int match;
try {
match = findMatch(uri, "query");
} catch (IllegalArgumentException e) {
String uriString = uri.toString();
// If we were passed an illegal uri, see if it ends in /-1
// if so, and if substituting 0 for -1 results in a valid uri, return an empty cursor
if (uriString != null && uriString.endsWith("/-1")) {
uri = Uri.parse(uriString.substring(0, uriString.length() - 2) + "0");
match = findMatch(uri, "query");
switch (match) {
case BODY_ID:
case MESSAGE_ID:
case DELETED_MESSAGE_ID:
case UPDATED_MESSAGE_ID:
case ATTACHMENT_ID:
case MAILBOX_ID:
case ACCOUNT_ID:
case HOSTAUTH_ID:
case POLICY_ID:
return new MatrixCursor(projection, 0);
}
}
throw e;
}
Context context = getContext();
// See the comment at delete(), above
SQLiteDatabase db = getDatabase(context);
int table = match >> BASE_SHIFT;
String limit = uri.getQueryParameter(EmailContent.PARAMETER_LIMIT);
String id;
// Find the cache for this query's table (if any)
ContentCache cache = null;
String tableName = TABLE_NAMES[table];
// We can only use the cache if there's no selection
if (selection == null) {
cache = CONTENT_CACHES[table];
}
if (cache == null) {
ContentCache.notCacheable(uri, selection);
}
try {
switch (match) {
case BODY:
case MESSAGE:
case UPDATED_MESSAGE:
case DELETED_MESSAGE:
case ATTACHMENT:
case MAILBOX:
case ACCOUNT:
case HOSTAUTH:
case POLICY:
c = db.query(tableName, projection,
selection, selectionArgs, null, null, sortOrder, limit);
break;
case BODY_ID:
case MESSAGE_ID:
case DELETED_MESSAGE_ID:
case UPDATED_MESSAGE_ID:
case ATTACHMENT_ID:
case MAILBOX_ID:
case ACCOUNT_ID:
case HOSTAUTH_ID:
case POLICY_ID:
id = uri.getPathSegments().get(1);
if (cache != null) {
c = cache.getCachedCursor(id, projection);
}
if (c == null) {
CacheToken token = null;
if (cache != null) {
token = cache.getCacheToken(id);
}
c = db.query(tableName, projection, whereWithId(id, selection),
selectionArgs, null, null, sortOrder, limit);
if (cache != null) {
c = cache.putCursor(c, id, projection, token);
}
}
break;
case ATTACHMENTS_MESSAGE_ID:
// All attachments for the given message
id = uri.getPathSegments().get(2);
c = db.query(Attachment.TABLE_NAME, projection,
whereWith(Attachment.MESSAGE_KEY + "=" + id, selection),
selectionArgs, null, null, sortOrder, limit);
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
} catch (SQLiteException e) {
checkDatabases();
throw e;
} catch (RuntimeException e) {
checkDatabases();
e.printStackTrace();
throw e;
} finally {
if (cache != null && Email.DEBUG) {
cache.recordQueryTime(c, System.nanoTime() - time);
}
}
if ((c != null) && !isTemporary()) {
c.setNotificationUri(getContext().getContentResolver(), uri);
}
return c;
}
private String whereWithId(String id, String selection) {
StringBuilder sb = new StringBuilder(256);
sb.append("_id=");
sb.append(id);
if (selection != null) {
sb.append(" AND (");
sb.append(selection);
sb.append(')');
}
return sb.toString();
}
/**
* Combine a locally-generated selection with a user-provided selection
*
* This introduces risk that the local selection might insert incorrect chars
* into the SQL, so use caution.
*
* @param where locally-generated selection, must not be null
* @param selection user-provided selection, may be null
* @return a single selection string
*/
private String whereWith(String where, String selection) {
if (selection == null) {
return where;
}
StringBuilder sb = new StringBuilder(where);
sb.append(" AND (");
sb.append(selection);
sb.append(')');
return sb.toString();
}
/**
* Restore a HostAuth from a database, given its unique id
* @param db the database
* @param id the unique id (_id) of the row
* @return a fully populated HostAuth or null if the row does not exist
*/
private HostAuth restoreHostAuth(SQLiteDatabase db, long id) {
Cursor c = db.query(HostAuth.TABLE_NAME, HostAuth.CONTENT_PROJECTION,
HostAuth.RECORD_ID + "=?", new String[] {Long.toString(id)}, null, null, null);
try {
if (c.moveToFirst()) {
HostAuth hostAuth = new HostAuth();
hostAuth.restore(c);
return hostAuth;
}
return null;
} finally {
c.close();
}
}
/**
* Copy the Account and HostAuth tables from one database to another
* @param fromDatabase the source database
* @param toDatabase the destination database
* @return the number of accounts copied, or -1 if an error occurred
*/
private int copyAccountTables(SQLiteDatabase fromDatabase, SQLiteDatabase toDatabase) {
if (fromDatabase == null || toDatabase == null) return -1;
int copyCount = 0;
try {
// Lock both databases; for the "from" database, we don't want anyone changing it from
// under us; for the "to" database, we want to make the operation atomic
fromDatabase.beginTransaction();
toDatabase.beginTransaction();
// Delete anything hanging around here
toDatabase.delete(Account.TABLE_NAME, null, null);
toDatabase.delete(HostAuth.TABLE_NAME, null, null);
// Get our account cursor
Cursor c = fromDatabase.query(Account.TABLE_NAME, Account.CONTENT_PROJECTION,
null, null, null, null, null);
boolean noErrors = true;
try {
// Loop through accounts, copying them and associated host auth's
while (c.moveToNext()) {
Account account = new Account();
account.restore(c);
// Clear security sync key and sync key, as these were specific to the state of
// the account, and we've reset that...
// Clear policy key so that we can re-establish policies from the server
// TODO This is pretty EAS specific, but there's a lot of that around
account.mSecuritySyncKey = null;
account.mSyncKey = null;
account.mPolicyKey = 0;
// Copy host auth's and update foreign keys
HostAuth hostAuth = restoreHostAuth(fromDatabase, account.mHostAuthKeyRecv);
// The account might have gone away, though very unlikely
if (hostAuth == null) continue;
account.mHostAuthKeyRecv = toDatabase.insert(HostAuth.TABLE_NAME, null,
hostAuth.toContentValues());
// EAS accounts have no send HostAuth
if (account.mHostAuthKeySend > 0) {
hostAuth = restoreHostAuth(fromDatabase, account.mHostAuthKeySend);
// Belt and suspenders; I can't imagine that this is possible, since we
// checked the validity of the account above, and the database is now locked
if (hostAuth == null) continue;
account.mHostAuthKeySend = toDatabase.insert(HostAuth.TABLE_NAME, null,
hostAuth.toContentValues());
}
// Now, create the account in the "to" database
toDatabase.insert(Account.TABLE_NAME, null, account.toContentValues());
copyCount++;
}
} catch (SQLiteException e) {
noErrors = false;
copyCount = -1;
} finally {
fromDatabase.endTransaction();
if (noErrors) {
// Say it's ok to commit
toDatabase.setTransactionSuccessful();
}
toDatabase.endTransaction();
c.close();
}
} catch (SQLiteException e) {
copyCount = -1;
}
return copyCount;
}
private SQLiteDatabase getBackupDatabase(Context context) {
DatabaseHelper helper = new DatabaseHelper(context, BACKUP_DATABASE_NAME);
return helper.getWritableDatabase();
}
/**
* Backup account data, returning the number of accounts backed up
*/
private int backupAccounts() {
Context context = getContext();
SQLiteDatabase backupDatabase = getBackupDatabase(context);
try {
return copyAccountTables(getDatabase(context), backupDatabase);
} finally {
if (backupDatabase != null) {
backupDatabase.close();
}
}
}
/**
* Restore account data, returning the number of accounts restored
*/
private int restoreAccounts() {
Context context = getContext();
SQLiteDatabase backupDatabase = getBackupDatabase(context);
try {
return copyAccountTables(backupDatabase, getDatabase(context));
} finally {
if (backupDatabase != null) {
backupDatabase.close();
}
}
}
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
// Handle this special case the fastest possible way
if (uri == INTEGRITY_CHECK_URI) {
checkDatabases();
return 0;
} else if (uri == ACCOUNT_BACKUP_URI) {
return backupAccounts();
} else if (uri == ACCOUNT_RESTORE_URI) {
return restoreAccounts();
}
// Notify all existing cursors, except for ACCOUNT_RESET_NEW_COUNT(_ID)
Uri notificationUri = EmailContent.CONTENT_URI;
int match = findMatch(uri, "update");
Context context = getContext();
ContentResolver resolver = context.getContentResolver();
// See the comment at delete(), above
SQLiteDatabase db = getDatabase(context);
int table = match >> BASE_SHIFT;
int result;
// We do NOT allow setting of unreadCount/messageCount via the provider
// These columns are maintained via triggers
if (match == MAILBOX_ID || match == MAILBOX) {
values.remove(MailboxColumns.UNREAD_COUNT);
values.remove(MailboxColumns.MESSAGE_COUNT);
}
ContentCache cache = CONTENT_CACHES[table];
String tableName = TABLE_NAMES[table];
String id = "0";
try {
switch (match) {
case MAILBOX_ID_ADD_TO_FIELD:
case ACCOUNT_ID_ADD_TO_FIELD:
id = uri.getPathSegments().get(1);
String field = values.getAsString(EmailContent.FIELD_COLUMN_NAME);
Long add = values.getAsLong(EmailContent.ADD_COLUMN_NAME);
if (field == null || add == null) {
throw new IllegalArgumentException("No field/add specified " + uri);
}
ContentValues actualValues = new ContentValues();
if (cache != null) {
cache.lock(id);
}
try {
db.beginTransaction();
try {
Cursor c = db.query(tableName,
new String[] {EmailContent.RECORD_ID, field},
whereWithId(id, selection),
selectionArgs, null, null, null);
try {
result = 0;
String[] bind = new String[1];
if (c.moveToNext()) {
bind[0] = c.getString(0); // _id
long value = c.getLong(1) + add;
actualValues.put(field, value);
result = db.update(tableName, actualValues, ID_EQUALS, bind);
}
db.setTransactionSuccessful();
} finally {
c.close();
}
} finally {
db.endTransaction();
}
} finally {
if (cache != null) {
cache.unlock(id, actualValues);
}
}
break;
case SYNCED_MESSAGE_ID:
case UPDATED_MESSAGE_ID:
case MESSAGE_ID:
case BODY_ID:
case ATTACHMENT_ID:
case MAILBOX_ID:
case ACCOUNT_ID:
case HOSTAUTH_ID:
id = uri.getPathSegments().get(1);
if (cache != null) {
cache.lock(id);
}
try {
if (match == SYNCED_MESSAGE_ID) {
// For synced messages, first copy the old message to the updated table
// Note the insert or ignore semantics, guaranteeing that only the first
// update will be reflected in the updated message table; therefore this
// row will always have the "original" data
db.execSQL(UPDATED_MESSAGE_INSERT + id);
} else if (match == MESSAGE_ID) {
db.execSQL(UPDATED_MESSAGE_DELETE + id);
}
result = db.update(tableName, values, whereWithId(id, selection),
selectionArgs);
} catch (SQLiteException e) {
// Null out values (so they aren't cached) and re-throw
values = null;
throw e;
} finally {
if (cache != null) {
cache.unlock(id, values);
}
}
if (match == ATTACHMENT_ID) {
if (values.containsKey(Attachment.FLAGS)) {
int flags = values.getAsInteger(Attachment.FLAGS);
AttachmentDownloadService.attachmentChanged(
Integer.parseInt(id), flags);
}
}
break;
case BODY:
case MESSAGE:
case UPDATED_MESSAGE:
case ATTACHMENT:
case MAILBOX:
case ACCOUNT:
case HOSTAUTH:
switch(match) {
case MESSAGE:
case ACCOUNT:
case MAILBOX:
case HOSTAUTH:
// If we're doing some generic update, the whole cache needs to be
// invalidated. This case should be quite rare
cache.invalidate("Update", uri, selection);
break;
}
result = db.update(tableName, values, selection, selectionArgs);
break;
case ACCOUNT_RESET_NEW_COUNT_ID:
id = uri.getPathSegments().get(1);
if (cache != null) {
cache.lock(id);
}
ContentValues newMessageCount = CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT;
if (values != null) {
Long set = values.getAsLong(EmailContent.SET_COLUMN_NAME);
if (set != null) {
newMessageCount = new ContentValues();
newMessageCount.put(Account.NEW_MESSAGE_COUNT, set);
}
}
try {
result = db.update(tableName, newMessageCount,
whereWithId(id, selection), selectionArgs);
} finally {
if (cache != null) {
cache.unlock(id, values);
}
}
notificationUri = Account.CONTENT_URI; // Only notify account cursors.
break;
case ACCOUNT_RESET_NEW_COUNT:
result = db.update(tableName, CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT,
selection, selectionArgs);
// Affects all accounts. Just invalidate all account cache.
cache.invalidate("Reset all new counts", null, null);
notificationUri = Account.CONTENT_URI; // Only notify account cursors.
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
}
} catch (SQLiteException e) {
checkDatabases();
throw e;
}
// Notify all notifier cursors
sendNotifierChange(getBaseNotificationUri(match), NOTIFICATION_OP_UPDATE, id);
resolver.notifyChange(notificationUri, null);
return result;
}
/**
* Returns the base notification URI for the given content type.
*
* @param match The type of content that was modified.
*/
private Uri getBaseNotificationUri(int match) {
Uri baseUri = null;
switch (match) {
case MESSAGE:
case MESSAGE_ID:
case SYNCED_MESSAGE_ID:
baseUri = Message.NOTIFIER_URI;
break;
case ACCOUNT:
case ACCOUNT_ID:
baseUri = Account.NOTIFIER_URI;
break;
}
return baseUri;
}
/**
* Sends a change notification to any cursors observers of the given base URI. The final
* notification URI is dynamically built to contain the specified information. It will be
* of the format <<baseURI>>/<<op>>/<<id>>; where <<op>> and <<id>> are optional depending
* upon the given values.
* NOTE: If <<op>> is specified, notifications for <<baseURI>>/<<id>> will NOT be invoked.
* If this is necessary, it can be added. However, due to the implementation of
* {@link ContentObserver}, observers of <<baseURI>> will receive multiple notifications.
*
* @param baseUri The base URI to send notifications to. Must be able to take appended IDs.
* @param op Optional operation to be appended to the URI.
* @param id If a positive value, the ID to append to the base URI. Otherwise, no ID will be
* appended to the base URI.
*/
private void sendNotifierChange(Uri baseUri, String op, String id) {
if (baseUri == null) return;
final ContentResolver resolver = getContext().getContentResolver();
// Append the operation, if specified
if (op != null) {
baseUri = baseUri.buildUpon().appendEncodedPath(op).build();
}
long longId = 0L;
try {
longId = Long.valueOf(id);
} catch (NumberFormatException ignore) {}
if (longId > 0) {
resolver.notifyChange(ContentUris.withAppendedId(baseUri, longId), null);
} else {
resolver.notifyChange(baseUri, null);
}
}
@Override
public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations)
throws OperationApplicationException {
Context context = getContext();
SQLiteDatabase db = getDatabase(context);
db.beginTransaction();
try {
ContentProviderResult[] results = super.applyBatch(operations);
db.setTransactionSuccessful();
return results;
} finally {
db.endTransaction();
}
}
/** Counts the number of messages in each mailbox, and updates the message count column. */
@VisibleForTesting
static void recalculateMessageCount(SQLiteDatabase db) {
db.execSQL("update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
"= (select count(*) from " + Message.TABLE_NAME +
" where " + Message.MAILBOX_KEY + " = " +
Mailbox.TABLE_NAME + "." + EmailContent.RECORD_ID + ")");
}
@VisibleForTesting
@SuppressWarnings("deprecation")
void convertPolicyFlagsToPolicyTable(SQLiteDatabase db) {
Cursor c = db.query(Account.TABLE_NAME,
new String[] {EmailContent.RECORD_ID /*0*/, AccountColumns.SECURITY_FLAGS /*1*/},
AccountColumns.SECURITY_FLAGS + ">0", null, null, null, null);
ContentValues cv = new ContentValues();
String[] args = new String[1];
while (c.moveToNext()) {
long securityFlags = c.getLong(1 /*SECURITY_FLAGS*/);
Policy policy = LegacyPolicySet.flagsToPolicy(securityFlags);
long policyId = db.insert(Policy.TABLE_NAME, null, policy.toContentValues());
cv.put(AccountColumns.POLICY_KEY, policyId);
cv.putNull(AccountColumns.SECURITY_FLAGS);
args[0] = Long.toString(c.getLong(0 /*RECORD_ID*/));
db.update(Account.TABLE_NAME, cv, EmailContent.RECORD_ID + "=?", args);
}
}
/** Upgrades the database from v17 to v18 */
@VisibleForTesting
static void upgradeFromVersion17ToVersion18(SQLiteDatabase db) {
// Copy the displayName column to the serverId column. In v18 of the database,
// we use the serverId for IMAP/POP3 mailboxes instead of overloading the
// display name.
//
// For posterity; this is the command we're executing:
//sqlite> UPDATE mailbox SET serverid=displayname WHERE mailbox._id in (
// ...> SELECT mailbox._id FROM mailbox,account,hostauth WHERE
// ...> mailbox.parentkey=0 AND mailbox.accountkey=account._id AND
// ...> account.hostauthkeyrecv=hostauth._id AND
// ...> (hostauth.protocol='imap' OR hostauth.protocol='pop3'));
try {
db.execSQL(
"UPDATE " + Mailbox.TABLE_NAME + " SET "
+ MailboxColumns.SERVER_ID + "=" + MailboxColumns.DISPLAY_NAME
+ " WHERE "
+ Mailbox.TABLE_NAME + "." + MailboxColumns.ID + " IN ( SELECT "
+ Mailbox.TABLE_NAME + "." + MailboxColumns.ID + " FROM "
+ Mailbox.TABLE_NAME + "," + Account.TABLE_NAME + ","
+ HostAuth.TABLE_NAME + " WHERE "
+ Mailbox.TABLE_NAME + "." + MailboxColumns.PARENT_KEY + "=0 AND "
+ Mailbox.TABLE_NAME + "." + MailboxColumns.ACCOUNT_KEY + "="
+ Account.TABLE_NAME + "." + AccountColumns.ID + " AND "
+ Account.TABLE_NAME + "." + AccountColumns.HOST_AUTH_KEY_RECV + "="
+ HostAuth.TABLE_NAME + "." + HostAuthColumns.ID + " AND ( "
+ HostAuth.TABLE_NAME + "." + HostAuthColumns.PROTOCOL + "='imap' OR "
+ HostAuth.TABLE_NAME + "." + HostAuthColumns.PROTOCOL + "='pop3' ) )");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 17 to 18 " + e);
}
}
/** Upgrades the database from v20 to v21 */
private static void upgradeFromVersion20ToVersion21(SQLiteDatabase db) {
try {
db.execSQL("alter table " + Mailbox.TABLE_NAME
+ " add column " + Mailbox.LAST_SEEN_MESSAGE_KEY + " integer;");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 20 to 21 " + e);
}
}
/**
* Upgrade the database from v21 to v22
* This entails creating AccountManager accounts for all pop3 and imap accounts
*/
private static final String[] RECV_PROJECTION =
new String[] {AccountColumns.HOST_AUTH_KEY_RECV};
private static final int EMAIL_AND_RECV_COLUMN_RECV = 0;
static private void createAccountManagerAccount(Context context, HostAuth hostAuth) {
AccountManager accountManager = AccountManager.get(context);
android.accounts.Account amAccount =
new android.accounts.Account(hostAuth.mLogin, AccountManagerTypes.TYPE_POP_IMAP);
accountManager.addAccountExplicitly(amAccount, hostAuth.mPassword, null);
ContentResolver.setIsSyncable(amAccount, EmailContent.AUTHORITY, 1);
ContentResolver.setSyncAutomatically(amAccount, EmailContent.AUTHORITY, true);
ContentResolver.setIsSyncable(amAccount, ContactsContract.AUTHORITY, 0);
ContentResolver.setIsSyncable(amAccount, CalendarProviderStub.AUTHORITY, 0);
}
@VisibleForTesting
static void upgradeFromVersion21ToVersion22(SQLiteDatabase db, Context accountManagerContext) {
try {
// Loop through accounts, looking for pop/imap accounts
Cursor accountCursor = db.query(Account.TABLE_NAME, RECV_PROJECTION, null,
null, null, null, null);
try {
String[] hostAuthArgs = new String[1];
while (accountCursor.moveToNext()) {
hostAuthArgs[0] = accountCursor.getString(EMAIL_AND_RECV_COLUMN_RECV);
// Get the "receive" HostAuth for this account
Cursor hostAuthCursor = db.query(HostAuth.TABLE_NAME,
HostAuth.CONTENT_PROJECTION, HostAuth.RECORD_ID + "=?", hostAuthArgs,
null, null, null);
try {
if (hostAuthCursor.moveToFirst()) {
HostAuth hostAuth = new HostAuth();
hostAuth.restore(hostAuthCursor);
String protocol = hostAuth.mProtocol;
// If this is a pop3 or imap account, create the account manager account
if ("imap".equals(protocol) || "pop3".equals(protocol)) {
createAccountManagerAccount(accountManagerContext, hostAuth);
}
}
} finally {
hostAuthCursor.close();
}
}
} finally {
accountCursor.close();
}
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 20 to 21 " + e);
}
}
/** Upgrades the database from v22 to v23 */
private static void upgradeFromVersion22ToVersion23(SQLiteDatabase db) {
try {
db.execSQL("alter table " + Mailbox.TABLE_NAME
+ " add column " + Mailbox.LAST_TOUCHED_TIME + " integer default 0;");
} catch (SQLException e) {
// Shouldn't be needed unless we're debugging and interrupt the process
Log.w(TAG, "Exception upgrading EmailProvider.db from 22 to 23 " + e);
}
}
}
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