AccountSetupExchange.java revision cef2344e70b4ab90cbbb01aac00f248976d273df 
1/*
2 * Copyright (C) 2009 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.setup;
18
19import com.android.email.R;
20import com.android.email.Utility;
21import com.android.email.provider.EmailContent;
22import com.android.email.provider.EmailContent.Account;
23
24import android.app.Activity;
25import android.content.Intent;
26import android.os.Bundle;
27import android.text.Editable;
28import android.text.TextWatcher;
29import android.view.View;
30import android.view.View.OnClickListener;
31import android.widget.Button;
32import android.widget.CheckBox;
33import android.widget.CompoundButton;
34import android.widget.EditText;
35import android.widget.CompoundButton.OnCheckedChangeListener;
36
37import java.net.URI;
38import java.net.URISyntaxException;
39
40/**
41 * Provides generic setup for Exchange accounts.  The following fields are supported:
42 *
43 *  Email Address   (from previous setup screen)
44 *  Server
45 *  Domain
46 *  Requires SSL?
47 *  User (login)
48 *  Password
49 */
50public class AccountSetupExchange extends Activity implements OnClickListener,
51        OnCheckedChangeListener {
52    private static final String EXTRA_ACCOUNT = "account";
53    private static final String EXTRA_MAKE_DEFAULT = "makeDefault";
54    private static final String EXTRA_EAS_FLOW = "easFlow";
55
56    private EditText mUsernameView;
57    private EditText mPasswordView;
58    private EditText mServerView;
59    private CheckBox mSslSecurityView;
60    private CheckBox mTrustCertificatesView;
61
62    private Button mNextButton;
63    private Account mAccount;
64    private boolean mMakeDefault;
65
66    public static void actionIncomingSettings(Activity fromActivity, Account account,
67            boolean makeDefault, boolean easFlowMode) {
68        Intent i = new Intent(fromActivity, AccountSetupExchange.class);
69        i.putExtra(EXTRA_ACCOUNT, account);
70        i.putExtra(EXTRA_MAKE_DEFAULT, makeDefault);
71        i.putExtra(EXTRA_EAS_FLOW, easFlowMode);
72        fromActivity.startActivity(i);
73    }
74
75    public static void actionEditIncomingSettings(Activity fromActivity, Account account)
76            {
77        Intent i = new Intent(fromActivity, AccountSetupExchange.class);
78        i.setAction(Intent.ACTION_EDIT);
79        i.putExtra(EXTRA_ACCOUNT, account);
80        fromActivity.startActivity(i);
81    }
82
83    /**
84     * For now, we'll simply replicate outgoing, for the purpose of satisfying the
85     * account settings flow.
86     */
87    public static void actionEditOutgoingSettings(Activity fromActivity, Account account)
88            {
89        Intent i = new Intent(fromActivity, AccountSetupExchange.class);
90        i.setAction(Intent.ACTION_EDIT);
91        i.putExtra(EXTRA_ACCOUNT, account);
92        fromActivity.startActivity(i);
93    }
94
95    @Override
96    public void onCreate(Bundle savedInstanceState) {
97        super.onCreate(savedInstanceState);
98        setContentView(R.layout.account_setup_exchange);
99
100        mUsernameView = (EditText) findViewById(R.id.account_username);
101        mPasswordView = (EditText) findViewById(R.id.account_password);
102        mServerView = (EditText) findViewById(R.id.account_server);
103        mSslSecurityView = (CheckBox) findViewById(R.id.account_ssl);
104        mSslSecurityView.setOnCheckedChangeListener(this);
105        mTrustCertificatesView = (CheckBox) findViewById(R.id.account_trust_certificates);
106
107        mNextButton = (Button)findViewById(R.id.next);
108        mNextButton.setOnClickListener(this);
109
110        /*
111         * Calls validateFields() which enables or disables the Next button
112         * based on the fields' validity.
113         */
114        TextWatcher validationTextWatcher = new TextWatcher() {
115            public void afterTextChanged(Editable s) {
116                validateFields();
117            }
118
119            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
120            }
121
122            public void onTextChanged(CharSequence s, int start, int before, int count) {
123            }
124        };
125        mUsernameView.addTextChangedListener(validationTextWatcher);
126        mPasswordView.addTextChangedListener(validationTextWatcher);
127        mServerView.addTextChangedListener(validationTextWatcher);
128
129        mAccount = (EmailContent.Account) getIntent().getParcelableExtra(EXTRA_ACCOUNT);
130        mMakeDefault = getIntent().getBooleanExtra(EXTRA_MAKE_DEFAULT, false);
131
132        /*
133         * If we're being reloaded we override the original account with the one
134         * we saved
135         */
136        if (savedInstanceState != null && savedInstanceState.containsKey(EXTRA_ACCOUNT)) {
137            mAccount = (EmailContent.Account) savedInstanceState.getParcelable(EXTRA_ACCOUNT);
138        }
139
140        try {
141            URI uri = new URI(mAccount.getStoreUri(this));
142            String username = null;
143            String password = null;
144            if (uri.getUserInfo() != null) {
145                String[] userInfoParts = uri.getUserInfo().split(":", 2);
146                username = userInfoParts[0];
147                if (userInfoParts.length > 1) {
148                    password = userInfoParts[1];
149                }
150            }
151
152            if (username != null) {
153                mUsernameView.setText(username);
154            }
155
156            if (password != null) {
157                mPasswordView.setText(password);
158            }
159
160            if (uri.getScheme().startsWith("eas")) {
161                // any other setup from mAccount can go here
162            } else {
163                throw new Error("Unknown account type: " + mAccount.getStoreUri(this));
164            }
165
166            if (uri.getHost() != null) {
167                mServerView.setText(uri.getHost());
168            }
169
170            boolean ssl = uri.getScheme().contains("ssl");
171            mSslSecurityView.setChecked(ssl);
172            mTrustCertificatesView.setChecked(uri.getScheme().contains("tssl"));
173            mTrustCertificatesView.setVisibility(ssl ? View.VISIBLE : View.GONE);
174
175        } catch (URISyntaxException use) {
176            /*
177             * We should always be able to parse our own settings.
178             */
179            throw new Error(use);
180        }
181
182        validateFields();
183    }
184
185    @Override
186    public void onSaveInstanceState(Bundle outState) {
187        super.onSaveInstanceState(outState);
188        outState.putParcelable(EXTRA_ACCOUNT, mAccount);
189    }
190
191    /**
192     * Check the values in the fields and decide if it makes sense to enable the "next" button
193     * NOTE:  Does it make sense to extract & combine with similar code in AccountSetupIncoming?
194     */
195    private void validateFields() {
196        boolean enabled = Utility.requiredFieldValid(mUsernameView)
197                && Utility.requiredFieldValid(mPasswordView)
198                && Utility.requiredFieldValid(mServerView);
199        if (enabled) {
200            try {
201                URI uri = getUri();
202            } catch (URISyntaxException use) {
203                enabled = false;
204            }
205        }
206        mNextButton.setEnabled(enabled);
207        Utility.setCompoundDrawablesAlpha(mNextButton, enabled ? 255 : 128);
208    }
209
210    @Override
211    public void onActivityResult(int requestCode, int resultCode, Intent data) {
212        if (resultCode == RESULT_OK) {
213            if (Intent.ACTION_EDIT.equals(getIntent().getAction())) {
214                // TODO Review carefully to make sure this is bulletproof
215                if (mAccount.isSaved()) {
216                    mAccount.update(this, mAccount.toContentValues());
217                } else {
218                    mAccount.save(this);
219                }
220                finish();
221            } else {
222                // Go directly to end - there is no 2nd screen for incoming settings
223                boolean easFlowMode = getIntent().getBooleanExtra(EXTRA_EAS_FLOW, false);
224                AccountSetupOptions.actionOptions(this, mAccount, mMakeDefault, easFlowMode);
225                finish();
226            }
227        }
228    }
229
230    /**
231     * Attempt to create a URI from the fields provided.  Throws URISyntaxException if there's
232     * a problem with the user input.
233     * @return a URI built from the account setup fields
234     */
235    private URI getUri() throws URISyntaxException {
236        boolean sslRequired = mSslSecurityView.isChecked();
237        boolean trustCertificates = mTrustCertificatesView.isChecked();
238        String scheme = (sslRequired) ? (trustCertificates ? "eas+tssl+" : "eas+ssl+") : "eas";
239        String userInfo = mUsernameView.getText().toString().trim() + ":" +
240                mPasswordView.getText().toString().trim();
241        String host = mServerView.getText().toString().trim();
242        String path = null;
243
244        URI uri = new URI(
245                scheme,
246                userInfo,
247                host,
248                0,
249                path,
250                null,
251                null);
252
253        return uri;
254    }
255
256    /**
257     * Note, in EAS, store & sender are the same, so we always populate them together
258     */
259    private void onNext() {
260        try {
261            URI uri = getUri();
262            mAccount.setStoreUri(this, uri.toString());
263            mAccount.setSenderUri(this, uri.toString());
264        } catch (URISyntaxException use) {
265            /*
266             * It's unrecoverable if we cannot create a URI from components that
267             * we validated to be safe.
268             */
269            throw new Error(use);
270        }
271
272        AccountSetupCheckSettings.actionCheckSettings(this, mAccount, true, false);
273    }
274
275    public void onClick(View v) {
276        switch (v.getId()) {
277            case R.id.next:
278                onNext();
279                break;
280        }
281    }
282
283    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
284        if (buttonView.getId() == R.id.account_ssl) {
285            mTrustCertificatesView.setVisibility(isChecked ? View.VISIBLE : View.GONE);
286        }
287    }
288}
289