263 lines
10 KiB
Java
263 lines
10 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.AccountBackupRestore;
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import com.android.email.Email;
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import com.android.email.ExchangeUtils;
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import com.android.email.Utility;
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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.Account;
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import com.android.email.provider.EmailContent.Mailbox;
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import com.android.email.service.MailService;
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import android.accounts.AccountManager;
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import android.accounts.OnAccountsUpdateListener;
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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.content.res.Configuration;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.os.Handler;
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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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*
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* This class knows which activity should be launched under the current configuration (screen size)
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* and the number of accounts configured. So if you want to open an account or a mailbox,
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* you should alawys do so via its static methods, such as {@link #actionOpenAccountInbox}.
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*/
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public class Welcome extends Activity {
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/*
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* Commands for testing...
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* Open 1 pane
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adb shell am start -a android.intent.action.MAIN \
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-n com.google.android.email/com.android.email.activity.Welcome \
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-e DEBUG_PANE_MODE 1
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* Open 2 pane
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adb shell am start -a android.intent.action.MAIN \
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-n com.google.android.email/com.android.email.activity.Welcome \
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-e DEBUG_PANE_MODE 2
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* Open an account (ID=2) in 2 pane
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adb shell am start -a android.intent.action.MAIN \
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-n com.google.android.email/com.android.email.activity.Welcome \
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-e DEBUG_PANE_MODE 2 --el ACCOUNT_ID 2
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* Open Combined Inbox (ID=-2) in 2 pane
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adb shell am start -a android.intent.action.MAIN \
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-n com.google.android.email/com.android.email.activity.Welcome \
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-e DEBUG_PANE_MODE 2 --el MAILBOX_ID -2
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*/
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private static final String EXTRA_ACCOUNT_ID = "ACCOUNT_ID";
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private static final String EXTRA_MAILBOX_ID = "MAILBOX_ID";
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/**
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* Extra for debugging. Set 1 to force one-pane. Set 2 to force two-pane.
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*/
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private static final String EXTRA_DEBUG_PANE_MODE = "DEBUG_PANE_MODE";
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private AccountsUpdatedListener mAccountsUpdatedListener;
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private Handler mHandler = new Handler();
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/**
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* @return true if the two-pane activity should be used on the current configuration.
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*/
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public static boolean useTwoPane(Context context) {
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final int screenLayout = context.getResources().getConfiguration().screenLayout;
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return (screenLayout & Configuration.SCREENLAYOUT_SIZE_XLARGE) != 0;
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}
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/**
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* Launch this activity. Note: It's assumed that this activity is only called as a means to
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* 'reset' the UI state; Because of this, it is always launched with FLAG_ACTIVITY_CLEAR_TOP,
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* which will drop any other activities on the stack (e.g. AccountFolderList or MessageList).
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*/
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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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i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
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fromActivity.startActivity(i);
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}
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/**
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* Create an Intent to open account's inbox.
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*/
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public static Intent createOpenAccountInboxIntent(Context context, long accountId) {
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Intent i = new Intent(context, Welcome.class);
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i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
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if (accountId != -1) {
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i.putExtra(EXTRA_ACCOUNT_ID, accountId);
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}
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return i;
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}
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/**
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* Open account's inbox.
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*/
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public static void actionOpenAccountInbox(Activity fromActivity, long accountId) {
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fromActivity.startActivity(createOpenAccountInboxIntent(fromActivity, accountId));
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}
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/**
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* Parse the {@link #EXTRA_DEBUG_PANE_MODE} extra and return 1 or 2, if it's set to "1" or "2".
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* Return 0 otherwise.
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*/
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private static int getDebugPaneMode(Intent i) {
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Bundle extras = i.getExtras();
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if (extras != null) {
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String s = extras.getString(EXTRA_DEBUG_PANE_MODE);
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if ("1".equals(s)) {
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return 1;
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} else if ("2".equals(s)) {
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return 2;
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}
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}
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return 0;
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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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ActivityHelper.debugSetWindowFlags(this);
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// Reset the "accounts changed" notification, now that we're here
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Email.setNotifyUiAccountsChanged(false);
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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 (UpgradeAccounts.doBulkUpgradeIfNecessary(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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// ExchangeService gets a chance to start. There is no harm to starting it if it has
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// already been started
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// TODO More completely separate ExchangeService from Email app
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ExchangeUtils.startExchangeService(this);
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// TODO Move this listener code to a more central location
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// Set up our observer for AccountManager
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mAccountsUpdatedListener = new AccountsUpdatedListener();
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AccountManager.get(getApplication()).addOnAccountsUpdatedListener(
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mAccountsUpdatedListener, mHandler, true);
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// Run reconciliation to make sure we're up-to-date on account status
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mAccountsUpdatedListener.onAccountsUpdated(null);
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final long accountId = getIntent().getLongExtra(EXTRA_ACCOUNT_ID, -1);
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final long mailboxId = getIntent().getLongExtra(EXTRA_MAILBOX_ID, -1);
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final int debugPaneMode = getDebugPaneMode(getIntent());
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new MainActivityLauncher(this, accountId, mailboxId, debugPaneMode).execute();
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (mAccountsUpdatedListener != null) {
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AccountManager.get(this).removeOnAccountsUpdatedListener(mAccountsUpdatedListener);
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}
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}
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/**
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* Reconcile accounts when accounts are added/removed from AccountManager
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*/
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public class AccountsUpdatedListener implements OnAccountsUpdateListener {
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public void onAccountsUpdated(android.accounts.Account[] accounts) {
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Utility.runAsync(new Runnable() {
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public void run() {
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MailService.reconcilePopImapAccounts(Welcome.this);
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}
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});
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}
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}
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/**
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* Open an account with the Activity appropriate to the current configuration.
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* If there's no accounts set up, open the "add account" screen.
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*
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* if {@code account} is -1, open the default account.
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*/
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private static class MainActivityLauncher extends AsyncTask<Void, Void, Void> {
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private final Activity mFromActivity;
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private final int mDebugPaneMode;
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private final long mAccountId;
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private final long mMailboxId;
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public MainActivityLauncher(Activity fromActivity, long accountId, long mailboxId,
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int debugPaneMode) {
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mFromActivity = fromActivity;
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mAccountId = accountId;
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mMailboxId = mailboxId;
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mDebugPaneMode = debugPaneMode;
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}
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private boolean isMailboxSelected() {
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return mMailboxId != -1;
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}
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@Override
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protected Void doInBackground(Void... params) {
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final int numAccount =
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EmailContent.count(mFromActivity, EmailContent.Account.CONTENT_URI);
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if (numAccount == 0) {
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AccountSetupBasics.actionNewAccount(mFromActivity);
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} else {
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long accountId = mAccountId;
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if (accountId == -1 || !Account.isValidId(mFromActivity, accountId)) {
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accountId = EmailContent.Account.getDefaultAccountId(mFromActivity);
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}
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final boolean useTwoPane = (mDebugPaneMode == 2)
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|| (useTwoPane(mFromActivity) && mDebugPaneMode == 0);
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if (useTwoPane) {
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if (isMailboxSelected()) {
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MessageListXL.actionOpenMailbox(mFromActivity, accountId, mMailboxId);
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} else {
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MessageListXL.actionOpenAccount(mFromActivity, accountId);
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}
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} else {
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if (isMailboxSelected()) {
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MessageList.actionHandleMailbox(mFromActivity, mMailboxId);
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} else {
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MessageList.actionHandleAccount(
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mFromActivity, accountId, Mailbox.TYPE_INBOX);
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}
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}
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}
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return null;
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}
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@Override
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protected void onPostExecute(Void result) {
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mFromActivity.finish();
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}
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}
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}
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