MessageList.java revision 2ed7a86949b2b2a95017525145ad421b9e5d0e38 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.email.activity;
18
19import com.android.email.R;
20import com.android.emailcommon.provider.EmailContent.Account;
21import com.android.emailcommon.utility.EmailAsyncTask;
22import com.android.emailcommon.utility.Utility;
23import com.google.common.annotations.VisibleForTesting;
24
25import android.app.Activity;
26import android.content.Context;
27import android.content.Intent;
28import android.net.Uri;
29import android.os.Bundle;
30
31/**
32 * A dummy activity to support old-style (pre-honeycomb) account shortcuts.
33 */
34public class MessageList extends Activity {
35    @VisibleForTesting
36    static final String EXTRA_ACCOUNT_ID = "com.android.email.activity._ACCOUNT_ID";
37
38    private final EmailAsyncTask.Tracker mTaskTracker = new EmailAsyncTask.Tracker();
39
40    @Override
41    protected void onCreate(Bundle savedInstanceState) {
42        super.onCreate(savedInstanceState);
43
44        final Activity me = this;
45        new EmailAsyncTask<Void, Void, Long>(mTaskTracker) {
46            @Override
47            protected Long doInBackground(Void... params) {
48                return getAccountFromIntent(me, getIntent());
49            }
50
51            @Override
52            protected void onPostExecute(Long accountId) {
53                if ((accountId == null) || (accountId == Account.NO_ACCOUNT)) {
54                    // Account deleted?
55                    Utility.showToast(me, R.string.toast_account_not_found);
56                    Welcome.actionStart(me);
57                } else {
58                    Welcome.actionOpenAccountInbox(me, accountId);
59                }
60                finish();
61            }
62        }.executeParallel();
63    }
64
65    @Override
66    protected void onDestroy() {
67        mTaskTracker.cancellAllInterrupt();
68        super.onDestroy();
69    }
70
71    @VisibleForTesting
72    static long getAccountFromIntent(Context context, Intent i) {
73        final Uri uri = i.getData();
74        if (uri == null) {
75            return Account.NO_ACCOUNT;
76        }
77        return Account.getAccountIdFromShortcutSafeUri(context, uri);
78    }
79
80    /**
81     * Create a froyo/gingerbread style account shortcut intent.  Used by unit tests and
82     * test code in {@link AccountShortcutPicker}.
83     */
84    @VisibleForTesting
85    static Intent createFroyoIntent(Context context, Account account) {
86        final Intent intent = new Intent(context, MessageList.class);
87        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
88        intent.putExtra(EXTRA_ACCOUNT_ID, account.mId);
89        intent.setData(account.getShortcutSafeUri());
90
91        return intent;
92    }
93}
94