AccountSetupExchangeFragment.java revision 3a5c1fb274a9ce72d708d88509bf2607cb018ddd
1/* 2 * Copyright (C) 2010 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.AccountBackupRestore; 20import com.android.email.Email; 21import com.android.email.ExchangeUtils; 22import com.android.email.R; 23import com.android.emailcommon.Device; 24import com.android.emailcommon.Logging; 25import com.android.emailcommon.provider.EmailContent.Account; 26import com.android.emailcommon.provider.EmailContent.HostAuth; 27import com.android.emailcommon.utility.Utility; 28 29import android.app.Activity; 30import android.content.Context; 31import android.os.Bundle; 32import android.os.RemoteException; 33import android.text.Editable; 34import android.text.TextWatcher; 35import android.util.Log; 36import android.view.LayoutInflater; 37import android.view.View; 38import android.view.ViewGroup; 39import android.widget.CheckBox; 40import android.widget.CompoundButton; 41import android.widget.CompoundButton.OnCheckedChangeListener; 42import android.widget.EditText; 43import android.widget.TextView; 44 45import java.io.IOException; 46import java.net.URI; 47import java.net.URISyntaxException; 48 49/** 50 * Provides generic setup for Exchange accounts. 51 * 52 * This fragment is used by AccountSetupExchange (for creating accounts) and by AccountSettingsXL 53 * (for editing existing accounts). 54 */ 55public class AccountSetupExchangeFragment extends AccountServerBaseFragment 56 implements OnCheckedChangeListener { 57 58 private final static String STATE_KEY_CREDENTIAL = "AccountSetupExchangeFragment.credential"; 59 private final static String STATE_KEY_LOADED = "AccountSetupExchangeFragment.loaded"; 60 61 private EditText mUsernameView; 62 private EditText mPasswordView; 63 private EditText mServerView; 64 private CheckBox mSslSecurityView; 65 private CheckBox mTrustCertificatesView; 66 private View mTrustCertificatesDivider; 67 68 // Support for lifecycle 69 private boolean mStarted; 70 /* package */ boolean mLoaded; 71 private String mCacheLoginCredential; 72 73 /** 74 * Called to do initial creation of a fragment. This is called after 75 * {@link #onAttach(Activity)} and before {@link #onActivityCreated(Bundle)}. 76 */ 77 @Override 78 public void onCreate(Bundle savedInstanceState) { 79 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 80 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onCreate"); 81 } 82 super.onCreate(savedInstanceState); 83 84 if (savedInstanceState != null) { 85 mCacheLoginCredential = savedInstanceState.getString(STATE_KEY_CREDENTIAL); 86 mLoaded = savedInstanceState.getBoolean(STATE_KEY_LOADED, false); 87 } 88 } 89 90 @Override 91 public View onCreateView(LayoutInflater inflater, ViewGroup container, 92 Bundle savedInstanceState) { 93 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 94 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onCreateView"); 95 } 96 int layoutId = mSettingsMode 97 ? R.layout.account_settings_exchange_fragment 98 : R.layout.account_setup_exchange_fragment; 99 100 View view = inflater.inflate(layoutId, container, false); 101 Context context = getActivity(); 102 103 mUsernameView = (EditText) view.findViewById(R.id.account_username); 104 mPasswordView = (EditText) view.findViewById(R.id.account_password); 105 mServerView = (EditText) view.findViewById(R.id.account_server); 106 mSslSecurityView = (CheckBox) view.findViewById(R.id.account_ssl); 107 mSslSecurityView.setOnCheckedChangeListener(this); 108 mTrustCertificatesView = (CheckBox) view.findViewById(R.id.account_trust_certificates); 109 mTrustCertificatesDivider = view.findViewById(R.id.account_trust_certificates_divider); 110 111 // Calls validateFields() which enables or disables the Next button 112 // based on the fields' validity. 113 TextWatcher validationTextWatcher = new TextWatcher() { 114 public void afterTextChanged(Editable s) { 115 validateFields(); 116 } 117 118 public void beforeTextChanged(CharSequence s, int start, int count, int after) { } 119 public void onTextChanged(CharSequence s, int start, int before, int count) { } 120 }; 121 mUsernameView.addTextChangedListener(validationTextWatcher); 122 mPasswordView.addTextChangedListener(validationTextWatcher); 123 mServerView.addTextChangedListener(validationTextWatcher); 124 125 try { 126 String deviceId = Device.getDeviceId(context); 127 ((TextView) view.findViewById(R.id.device_id)).setText(deviceId); 128 } catch (IOException e) { 129 // Not required 130 } 131 132 // Additional setup only used while in "settings" mode 133 onCreateViewSettingsMode(view); 134 135 return view; 136 } 137 138 @Override 139 public void onActivityCreated(Bundle savedInstanceState) { 140 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 141 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onActivityCreated"); 142 } 143 super.onActivityCreated(savedInstanceState); 144 } 145 146 /** 147 * Called when the Fragment is visible to the user. 148 */ 149 @Override 150 public void onStart() { 151 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 152 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onStart"); 153 } 154 super.onStart(); 155 mStarted = true; 156 loadSettings(SetupData.getAccount()); 157 } 158 159 /** 160 * Called when the fragment is visible to the user and actively running. 161 */ 162 @Override 163 public void onResume() { 164 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 165 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onResume"); 166 } 167 super.onResume(); 168 validateFields(); 169 } 170 171 @Override 172 public void onPause() { 173 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 174 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onPause"); 175 } 176 super.onPause(); 177 } 178 179 /** 180 * Called when the Fragment is no longer started. 181 */ 182 @Override 183 public void onStop() { 184 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 185 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onStop"); 186 } 187 super.onStop(); 188 mStarted = false; 189 } 190 191 /** 192 * Called when the fragment is no longer in use. 193 */ 194 @Override 195 public void onDestroy() { 196 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 197 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onDestroy"); 198 } 199 super.onDestroy(); 200 } 201 202 @Override 203 public void onSaveInstanceState(Bundle outState) { 204 if (Email.DEBUG_LIFECYCLE && Email.DEBUG) { 205 Log.d(Logging.LOG_TAG, "AccountSetupExchangeFragment onSaveInstanceState"); 206 } 207 super.onSaveInstanceState(outState); 208 209 outState.putString(STATE_KEY_CREDENTIAL, mCacheLoginCredential); 210 outState.putBoolean(STATE_KEY_LOADED, mLoaded); 211 } 212 213 /** 214 * Activity provides callbacks here. This also triggers loading and setting up the UX 215 */ 216 @Override 217 public void setCallback(Callback callback) { 218 super.setCallback(callback); 219 if (mStarted) { 220 loadSettings(SetupData.getAccount()); 221 } 222 } 223 224 /** 225 * Load the current settings into the UI 226 * 227 * @return true if the loaded values pass validation 228 */ 229 /* package */ boolean loadSettings(Account account) { 230 if (mLoaded) return validateFields(); 231 232 HostAuth hostAuth = account.mHostAuthRecv; 233 234 String userName = hostAuth.mLogin; 235 if (userName != null) { 236 // Add a backslash to the start of the username, but only if the username has no 237 // backslash in it. 238 if (userName.indexOf('\\') < 0) { 239 userName = "\\" + userName; 240 } 241 mUsernameView.setText(userName); 242 } 243 244 if (hostAuth.mPassword != null) { 245 mPasswordView.setText(hostAuth.mPassword); 246 } 247 248 String protocol = hostAuth.mProtocol; 249 if (protocol == null || !protocol.startsWith("eas")) { 250 throw new Error("Unknown account type: " + account.getStoreUri(mContext)); 251 } 252 253 if (hostAuth.mAddress != null) { 254 mServerView.setText(hostAuth.mAddress); 255 } 256 257 boolean ssl = 0 != (hostAuth.mFlags & HostAuth.FLAG_SSL); 258 boolean trustCertificates = 0 != (hostAuth.mFlags & HostAuth.FLAG_TRUST_ALL_CERTIFICATES); 259 mSslSecurityView.setChecked(ssl); 260 mTrustCertificatesView.setChecked(trustCertificates); 261 showTrustCertificates(ssl); 262 263 try { 264 mLoadedUri = getUri(); 265 } catch (URISyntaxException ignore) { 266 // ignore; should not happen 267 } 268 269 mLoaded = true; 270 return validateFields(); 271 } 272 273 private boolean usernameFieldValid(EditText usernameView) { 274 return Utility.isTextViewNotEmpty(usernameView) && 275 !usernameView.getText().toString().equals("\\"); 276 } 277 278 /** 279 * Check the values in the fields and decide if it makes sense to enable the "next" button 280 * @return true if all fields are valid, false if any fields are incomplete 281 */ 282 private boolean validateFields() { 283 if (!mLoaded) return false; 284 boolean enabled = usernameFieldValid(mUsernameView) 285 && Utility.isTextViewNotEmpty(mPasswordView) 286 && Utility.isTextViewNotEmpty(mServerView); 287 if (enabled) { 288 try { 289 URI uri = getUri(); 290 } catch (URISyntaxException use) { 291 enabled = false; 292 } 293 } 294 enableNextButton(enabled); 295 296 // Warn (but don't prevent) if password has leading/trailing spaces 297 AccountSettingsUtils.checkPasswordSpaces(mContext, mPasswordView); 298 299 return enabled; 300 } 301 302 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 303 if (buttonView.getId() == R.id.account_ssl) { 304 showTrustCertificates(isChecked); 305 } 306 } 307 308 public void showTrustCertificates(boolean visible) { 309 int mode = visible ? View.VISIBLE : View.GONE; 310 mTrustCertificatesView.setVisibility(mode); 311 // Divider is optional (only on XL layouts) 312 if (mTrustCertificatesDivider != null) { 313 mTrustCertificatesDivider.setVisibility(mode); 314 } 315 } 316 317 /** 318 * Entry point from Activity after editing settings and verifying them. Must be FLOW_MODE_EDIT. 319 * Blocking - do not call from UI Thread. 320 */ 321 @Override 322 public void saveSettingsAfterEdit() { 323 Account account = SetupData.getAccount(); 324 account.mHostAuthRecv.update(mContext, account.mHostAuthRecv.toContentValues()); 325 account.mHostAuthSend.update(mContext, account.mHostAuthSend.toContentValues()); 326 // For EAS, notify ExchangeService that the password has changed 327 try { 328 ExchangeUtils.getExchangeService(mContext, null).hostChanged(account.mId); 329 } catch (RemoteException e) { 330 // Nothing to be done if this fails 331 } 332 // Update the backup (side copy) of the accounts 333 AccountBackupRestore.backupAccounts(mContext); 334 } 335 336 /** 337 * Entry point from Activity after entering new settings and verifying them. For setup mode. 338 */ 339 @Override 340 public void saveSettingsAfterSetup() { 341 } 342 343 /** 344 * Entry point from Activity after entering new settings and verifying them. For setup mode. 345 */ 346 public boolean setHostAuthFromAutodiscover(HostAuth newHostAuth) { 347 Account account = SetupData.getAccount(); 348 account.mHostAuthSend = newHostAuth; 349 account.mHostAuthRecv = newHostAuth; 350 return loadSettings(account); 351 } 352 353 /** 354 * Attempt to create a URI from the fields provided. Throws URISyntaxException if there's 355 * a problem with the user input. 356 * @return a URI built from the account setup fields 357 */ 358 @Override 359 protected URI getUri() throws URISyntaxException { 360 boolean sslRequired = mSslSecurityView.isChecked(); 361 boolean trustCertificates = mTrustCertificatesView.isChecked(); 362 String scheme = (sslRequired) 363 ? (trustCertificates ? "eas+ssl+trustallcerts" : "eas+ssl+") 364 : "eas"; 365 String userName = mUsernameView.getText().toString().trim(); 366 // Remove a leading backslash, if there is one, since we now automatically put one at 367 // the start of the username field 368 if (userName.startsWith("\\")) { 369 userName = userName.substring(1); 370 } 371 mCacheLoginCredential = userName; 372 String userInfo = userName + ":" + mPasswordView.getText(); 373 String host = mServerView.getText().toString().trim(); 374 String path = null; 375 376 URI uri = new URI( 377 scheme, 378 userInfo, 379 host, 380 0, 381 path, 382 null, 383 null); 384 385 return uri; 386 } 387 388 /** 389 * Implements AccountCheckSettingsFragment.Callbacks 390 */ 391 @Override 392 public void onAutoDiscoverComplete(int result, HostAuth hostAuth) { 393 AccountSetupExchange activity = (AccountSetupExchange) getActivity(); 394 activity.onAutoDiscoverComplete(result, hostAuth); 395 } 396 397 /** 398 * Entry point from Activity, when "next" button is clicked 399 */ 400 @Override 401 public void onNext() { 402 try { 403 URI uri = getUri(); 404 Account setupAccount = SetupData.getAccount(); 405 setupAccount.setStoreUri(mContext, uri.toString()); 406 setupAccount.setSenderUri(mContext, uri.toString()); 407 408 // Check for a duplicate account (requires async DB work) and if OK, proceed with check 409 startDuplicateTaskCheck(setupAccount.mId, uri.getHost(), mCacheLoginCredential, 410 SetupData.CHECK_INCOMING); 411 } catch (URISyntaxException use) { 412 /* 413 * It's unrecoverable if we cannot create a URI from components that 414 * we validated to be safe. 415 */ 416 throw new Error(use); 417 } 418 } 419} 420