1/*
2 * Copyright (C) 2008 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.settings.accounts;
18
19import android.accounts.AccountManager;
20import android.accounts.AccountManagerCallback;
21import android.accounts.AccountManagerFuture;
22import android.accounts.AuthenticatorException;
23import android.accounts.OperationCanceledException;
24import android.app.Activity;
25import android.app.PendingIntent;
26import android.content.Intent;
27import android.os.Bundle;
28import android.util.Log;
29
30import java.io.IOException;
31
32/**
33 * Entry point Actiivty for account setup. Works as follows
34 *
35 * 1) When the other Activities launch this Activity, it launches {@link ChooseAccountActivity}
36 *    without showing anything.
37 * 2) After receiving an account type from ChooseAccountActivity, this Activity launches the
38 *    account setup specified by AccountManager.
39 * 3) After the account setup, this Activity finishes without showing anything.
40 *
41 * Note:
42 * Previously this Activity did what {@link ChooseAccountActivity} does right now, but we
43 * currently delegate the work to the other Activity. When we let this Activity do that work, users
44 * would see the list of account types when leaving this Activity, since the UI is already ready
45 * when returning from each account setup, which doesn't look good.
46 */
47public class AddAccountSettings extends Activity {
48    /**
49     *
50     */
51    private static final String KEY_ADD_CALLED = "AddAccountCalled";
52
53    /**
54     * Extra parameter to identify the caller. Applications may display a
55     * different UI if the calls is made from Settings or from a specific
56     * application.
57     */
58    private static final String KEY_CALLER_IDENTITY = "pendingIntent";
59
60    private static final String TAG = "AccountSettings";
61
62    /* package */ static final String EXTRA_SELECTED_ACCOUNT = "selected_account";
63
64    private static final int CHOOSE_ACCOUNT_REQUEST = 1;
65
66    private PendingIntent mPendingIntent;
67
68    private AccountManagerCallback<Bundle> mCallback = new AccountManagerCallback<Bundle>() {
69        public void run(AccountManagerFuture<Bundle> future) {
70            try {
71                Bundle bundle = future.getResult();
72                bundle.keySet();
73                setResult(RESULT_OK);
74
75                if (mPendingIntent != null) {
76                    mPendingIntent.cancel();
77                }
78
79                if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "account added: " + bundle);
80            } catch (OperationCanceledException e) {
81                if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "addAccount was canceled");
82            } catch (IOException e) {
83                if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "addAccount failed: " + e);
84            } catch (AuthenticatorException e) {
85                if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "addAccount failed: " + e);
86            } finally {
87                finish();
88            }
89        }
90    };
91
92    private boolean mAddAccountCalled = false;
93
94    @Override
95    public void onCreate(Bundle savedInstanceState) {
96        super.onCreate(savedInstanceState);
97
98        if (savedInstanceState != null) {
99            mAddAccountCalled = savedInstanceState.getBoolean(KEY_ADD_CALLED);
100            if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "restored");
101        }
102
103        if (mAddAccountCalled) {
104            // We already called add account - maybe the callback was lost.
105            finish();
106            return;
107        }
108        final String[] authorities =
109                getIntent().getStringArrayExtra(AccountPreferenceBase.AUTHORITIES_FILTER_KEY);
110        final String[] accountTypes =
111                getIntent().getStringArrayExtra(AccountPreferenceBase.ACCOUNT_TYPES_FILTER_KEY);
112        final Intent intent = new Intent(this, ChooseAccountActivity.class);
113        if (authorities != null) {
114            intent.putExtra(AccountPreferenceBase.AUTHORITIES_FILTER_KEY, authorities);
115        }
116        if (accountTypes != null) {
117            intent.putExtra(AccountPreferenceBase.ACCOUNT_TYPES_FILTER_KEY, accountTypes);
118        }
119        startActivityForResult(intent, CHOOSE_ACCOUNT_REQUEST);
120    }
121
122    @Override
123    public void onActivityResult(int requestCode, int resultCode, Intent data) {
124        switch (requestCode) {
125        case CHOOSE_ACCOUNT_REQUEST:
126            if (resultCode == RESULT_CANCELED) {
127                setResult(resultCode);
128                finish();
129                return;
130            }
131            // Go to account setup screen. finish() is called inside mCallback.
132            addAccount(data.getStringExtra(EXTRA_SELECTED_ACCOUNT));
133            break;
134        }
135    }
136
137    protected void onSaveInstanceState(Bundle outState) {
138        super.onSaveInstanceState(outState);
139        outState.putBoolean(KEY_ADD_CALLED, mAddAccountCalled);
140        if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "saved");
141    }
142
143    private void addAccount(String accountType) {
144        Bundle addAccountOptions = new Bundle();
145        mPendingIntent = PendingIntent.getBroadcast(this, 0, new Intent(), 0);
146        addAccountOptions.putParcelable(KEY_CALLER_IDENTITY, mPendingIntent);
147        AccountManager.get(this).addAccount(
148                accountType,
149                null, /* authTokenType */
150                null, /* requiredFeatures */
151                addAccountOptions,
152                this,
153                mCallback,
154                null /* handler */);
155        mAddAccountCalled  = true;
156    }
157}
158