AccountSetupExchange.java revision 60c7502b6777be550aaace9e9d780a9f84c8b03f 
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                // Add a backslash to the start of the username as an affordance
154                mUsernameView.setText("\\" + username);
155            }
156
157            if (password != null) {
158                mPasswordView.setText(password);
159            }
160
161            if (uri.getScheme().startsWith("eas")) {
162                // any other setup from mAccount can go here
163            } else {
164                throw new Error("Unknown account type: " + mAccount.getStoreUri(this));
165            }
166
167            if (uri.getHost() != null) {
168                mServerView.setText(uri.getHost());
169            }
170
171            boolean ssl = uri.getScheme().contains("ssl");
172            mSslSecurityView.setChecked(ssl);
173            mTrustCertificatesView.setChecked(uri.getScheme().contains("tssl"));
174            mTrustCertificatesView.setVisibility(ssl ? View.VISIBLE : View.GONE);
175
176        } catch (URISyntaxException use) {
177            /*
178             * We should always be able to parse our own settings.
179             */
180            throw new Error(use);
181        }
182
183        validateFields();
184    }
185
186    @Override
187    public void onSaveInstanceState(Bundle outState) {
188        super.onSaveInstanceState(outState);
189        outState.putParcelable(EXTRA_ACCOUNT, mAccount);
190    }
191
192    /**
193     * Check the values in the fields and decide if it makes sense to enable the "next" button
194     * NOTE:  Does it make sense to extract & combine with similar code in AccountSetupIncoming?
195     */
196    private void validateFields() {
197        boolean enabled = Utility.requiredFieldValid(mUsernameView)
198                && Utility.requiredFieldValid(mPasswordView)
199                && Utility.requiredFieldValid(mServerView);
200        if (enabled) {
201            try {
202                URI uri = getUri();
203            } catch (URISyntaxException use) {
204                enabled = false;
205            }
206        }
207        mNextButton.setEnabled(enabled);
208        Utility.setCompoundDrawablesAlpha(mNextButton, enabled ? 255 : 128);
209    }
210
211    @Override
212    public void onActivityResult(int requestCode, int resultCode, Intent data) {
213        if (resultCode == RESULT_OK) {
214            if (Intent.ACTION_EDIT.equals(getIntent().getAction())) {
215                // TODO Review carefully to make sure this is bulletproof
216                if (mAccount.isSaved()) {
217                    mAccount.update(this, mAccount.toContentValues());
218                } else {
219                    mAccount.save(this);
220                }
221                finish();
222            } else {
223                // Go directly to end - there is no 2nd screen for incoming settings
224                boolean easFlowMode = getIntent().getBooleanExtra(EXTRA_EAS_FLOW, false);
225                AccountSetupOptions.actionOptions(this, mAccount, mMakeDefault, easFlowMode);
226                finish();
227            }
228        }
229    }
230
231    /**
232     * Attempt to create a URI from the fields provided.  Throws URISyntaxException if there's
233     * a problem with the user input.
234     * @return a URI built from the account setup fields
235     */
236    private URI getUri() throws URISyntaxException {
237        boolean sslRequired = mSslSecurityView.isChecked();
238        boolean trustCertificates = mTrustCertificatesView.isChecked();
239        String scheme = (sslRequired) ? (trustCertificates ? "eas+tssl+" : "eas+ssl+") : "eas";
240        String userName = mUsernameView.getText().toString().trim();
241        // Remove a leading backslash, if there is one, since we now automatically put one at
242        // the start of the username field
243        if (userName.startsWith("\\")) {
244            userName = userName.substring(1);
245        }
246        String userInfo = userName + ":" + mPasswordView.getText().toString().trim();
247        String host = mServerView.getText().toString().trim();
248        String path = null;
249
250        URI uri = new URI(
251                scheme,
252                userInfo,
253                host,
254                0,
255                path,
256                null,
257                null);
258
259        return uri;
260    }
261
262    /**
263     * Note, in EAS, store & sender are the same, so we always populate them together
264     */
265    private void onNext() {
266        try {
267            URI uri = getUri();
268            mAccount.setStoreUri(this, uri.toString());
269            mAccount.setSenderUri(this, uri.toString());
270        } catch (URISyntaxException use) {
271            /*
272             * It's unrecoverable if we cannot create a URI from components that
273             * we validated to be safe.
274             */
275            throw new Error(use);
276        }
277
278        AccountSetupCheckSettings.actionCheckSettings(this, mAccount, true, false);
279    }
280
281    public void onClick(View v) {
282        switch (v.getId()) {
283            case R.id.next:
284                onNext();
285                break;
286        }
287    }
288
289    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
290        if (buttonView.getId() == R.id.account_ssl) {
291            mTrustCertificatesView.setVisibility(isChecked ? View.VISIBLE : View.GONE);
292        }
293    }
294}
295