146 lines
5.7 KiB
Java
146 lines
5.7 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.activity;
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import com.android.email.Account;
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import com.android.email.AccountBackupRestore;
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import com.android.email.ExchangeUtils;
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import com.android.email.Preferences;
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import com.android.email.activity.setup.AccountSetupBasics;
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import com.android.email.provider.EmailContent;
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import com.android.email.provider.EmailContent.Mailbox;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.os.Bundle;
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/**
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* The Welcome activity initializes the application and decides what Activity
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* the user should start with.
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* If no accounts are configured the user is taken to the AccountSetupBasics Activity where they
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* can configure an account.
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* If a single account is configured the user is taken directly to the MessageList for
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* the INBOX of that account.
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* If more than one account is configured the user is taken to the AccountFolderList Activity so
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* they can select an account.
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*/
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public class Welcome extends Activity {
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/** DO NOT CHECK IN AS 'TRUE' - DEVELOPMENT ONLY */
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private static final boolean DEBUG_FORCE_UPGRADES = false;
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public static void actionStart(Activity fromActivity) {
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Intent i = new Intent(fromActivity, Welcome.class);
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fromActivity.startActivity(i);
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}
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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// Quickly check for bulk upgrades (from older app versions) and switch to the
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// upgrade activity if necessary
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if (bulkUpgradesRequired(this, Preferences.getPreferences(this))) {
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UpgradeAccounts.actionStart(this);
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finish();
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return;
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}
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// Restore accounts, if it has not happened already
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// NOTE: This is blocking, which it should not be (in the UI thread)
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// We're going to live with this for the short term and replace with something
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// smarter. Long-term fix: Move this, and most of the code below, to an AsyncTask
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// and do the DB work in a thread. Then post handler to finish() as appropriate.
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AccountBackupRestore.restoreAccountsIfNeeded(this);
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// Because the app could be reloaded (for debugging, etc.), we need to make sure that
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// SyncManager gets a chance to start. There is no harm to starting it if it has already
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// been started
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// TODO More completely separate SyncManager from Email app
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ExchangeUtils.startExchangeService(this);
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// Find out how many accounts we have, and if there's just one, go directly to it
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Cursor c = null;
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try {
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c = getContentResolver().query(
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EmailContent.Account.CONTENT_URI,
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EmailContent.Account.ID_PROJECTION,
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null, null, null);
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switch (c.getCount()) {
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case 0:
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AccountSetupBasics.actionNewAccount(this);
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break;
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case 1:
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c.moveToFirst();
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long accountId = c.getLong(EmailContent.Account.CONTENT_ID_COLUMN);
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MessageList.actionHandleAccount(this, accountId, Mailbox.TYPE_INBOX);
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break;
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default:
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AccountFolderList.actionShowAccounts(this);
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break;
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}
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} finally {
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if (c != null) {
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c.close();
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}
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}
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// In all cases, do not return to this activity
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finish();
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}
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/**
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* Test for bulk upgrades and return true if necessary
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*
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* TODO should be in an AsyncTask since it has DB ops
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*
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* @return true if upgrades required (old accounts exit). false otherwise.
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*/
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/* package */ boolean bulkUpgradesRequired(Context context, Preferences preferences) {
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if (DEBUG_FORCE_UPGRADES) {
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// build at least one fake account
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Account fake = new Account(this);
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fake.setDescription("Fake Account");
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fake.setEmail("user@gmail.com");
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fake.setName("First Last");
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fake.setSenderUri("smtp://user:password@smtp.gmail.com");
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fake.setStoreUri("imap://user:password@imap.gmail.com");
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fake.save(preferences);
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return true;
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}
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// 1. Get list of legacy accounts and look for any non-backup entries
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Account[] legacyAccounts = preferences.getAccounts();
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if (legacyAccounts.length == 0) {
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return false;
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}
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// 2. Look at the first legacy account and decide what to do
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// We only need to look at the first: If it's not a backup account, then it's a true
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// legacy account, and there are one or more accounts needing upgrade. If it is a backup
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// account, then we know for sure that there are no legacy accounts (backup deletes all
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// old accounts, and indicates that "modern" code has already run on this device.)
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if (0 != (legacyAccounts[0].getBackupFlags() & Account.BACKUP_FLAGS_IS_BACKUP)) {
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return false;
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} else {
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return true;
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}
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}
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}
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