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 17 package com.android.email.activity; 18 19 import android.app.ActionBar; 20 import android.app.ActionBar.OnNavigationListener; 21 import android.app.ActionBar.Tab; 22 import android.app.ActionBar.TabListener; 23 import android.app.Activity; 24 import android.app.ActivityManager; 25 import android.app.FragmentTransaction; 26 import android.content.ActivityNotFoundException; 27 import android.content.ContentResolver; 28 import android.content.ContentUris; 29 import android.content.ContentValues; 30 import android.content.Context; 31 import android.content.Intent; 32 import android.database.Cursor; 33 import android.net.Uri; 34 import android.os.Bundle; 35 import android.os.Parcelable; 36 import android.provider.OpenableColumns; 37 import android.text.InputFilter; 38 import android.text.SpannableStringBuilder; 39 import android.text.Spanned; 40 import android.text.TextUtils; 41 import android.text.TextWatcher; 42 import android.text.util.Rfc822Tokenizer; 43 import android.util.Log; 44 import android.view.Menu; 45 import android.view.MenuItem; 46 import android.view.View; 47 import android.view.View.OnClickListener; 48 import android.view.View.OnFocusChangeListener; 49 import android.view.ViewGroup; 50 import android.webkit.WebView; 51 import android.widget.ArrayAdapter; 52 import android.widget.CheckBox; 53 import android.widget.EditText; 54 import android.widget.ImageView; 55 import android.widget.MultiAutoCompleteTextView; 56 import android.widget.TextView; 57 import android.widget.Toast; 58 59 import com.android.common.contacts.DataUsageStatUpdater; 60 import com.android.email.Controller; 61 import com.android.email.Email; 62 import com.android.email.EmailAddressAdapter; 63 import com.android.email.EmailAddressValidator; 64 import com.android.email.R; 65 import com.android.email.RecipientAdapter; 66 import com.android.email.activity.setup.AccountSettings; 67 import com.android.email.mail.internet.EmailHtmlUtil; 68 import com.android.emailcommon.Logging; 69 import com.android.emailcommon.internet.MimeUtility; 70 import com.android.emailcommon.mail.Address; 71 import com.android.emailcommon.provider.Account; 72 import com.android.emailcommon.provider.EmailContent; 73 import com.android.emailcommon.provider.EmailContent.Attachment; 74 import com.android.emailcommon.provider.EmailContent.Body; 75 import com.android.emailcommon.provider.EmailContent.BodyColumns; 76 import com.android.emailcommon.provider.EmailContent.Message; 77 import com.android.emailcommon.provider.EmailContent.MessageColumns; 78 import com.android.emailcommon.provider.EmailContent.QuickResponseColumns; 79 import com.android.emailcommon.provider.Mailbox; 80 import com.android.emailcommon.provider.QuickResponse; 81 import com.android.emailcommon.utility.AttachmentUtilities; 82 import com.android.emailcommon.utility.EmailAsyncTask; 83 import com.android.emailcommon.utility.Utility; 84 import com.android.ex.chips.AccountSpecifier; 85 import com.android.ex.chips.ChipsUtil; 86 import com.android.ex.chips.RecipientEditTextView; 87 import com.google.common.annotations.VisibleForTesting; 88 import com.google.common.base.Objects; 89 import com.google.common.collect.Lists; 90 91 import java.io.File; 92 import java.io.UnsupportedEncodingException; 93 import java.net.URLDecoder; 94 import java.util.ArrayList; 95 import java.util.HashMap; 96 import java.util.HashSet; 97 import java.util.List; 98 import java.util.concurrent.ConcurrentHashMap; 99 import java.util.concurrent.ExecutionException; 100 101 102 /** 103 * Activity to compose a message. 104 * 105 * TODO Revive shortcuts command for removed menu options. 106 * C: add cc/bcc 107 * N: add attachment 108 */ 109 public class MessageCompose extends Activity implements OnClickListener, OnFocusChangeListener, 110 DeleteMessageConfirmationDialog.Callback, InsertQuickResponseDialog.Callback { 111 112 private static final String ACTION_REPLY = "com.android.email.intent.action.REPLY"; 113 private static final String ACTION_REPLY_ALL = "com.android.email.intent.action.REPLY_ALL"; 114 private static final String ACTION_FORWARD = "com.android.email.intent.action.FORWARD"; 115 private static final String ACTION_EDIT_DRAFT = "com.android.email.intent.action.EDIT_DRAFT"; 116 117 private static final String EXTRA_ACCOUNT_ID = "account_id"; 118 private static final String EXTRA_MESSAGE_ID = "message_id"; 119 /** If the intent is sent from the email app itself, it should have this boolean extra. */ 120 public static final String EXTRA_FROM_WITHIN_APP = "from_within_app"; 121 /** If the intent is sent from thw widget. */ 122 public static final String EXTRA_FROM_WIDGET = "from_widget"; 123 124 private static final String STATE_KEY_CC_SHOWN = 125 "com.android.email.activity.MessageCompose.ccShown"; 126 private static final String STATE_KEY_QUOTED_TEXT_SHOWN = 127 "com.android.email.activity.MessageCompose.quotedTextShown"; 128 private static final String STATE_KEY_DRAFT_ID = 129 "com.android.email.activity.MessageCompose.draftId"; 130 private static final String STATE_KEY_LAST_SAVE_TASK_ID = 131 "com.android.email.activity.MessageCompose.requestId"; 132 private static final String STATE_KEY_ACTION = 133 "com.android.email.activity.MessageCompose.action"; 134 135 private static final int ACTIVITY_REQUEST_PICK_ATTACHMENT = 1; 136 137 private static final String[] ATTACHMENT_META_SIZE_PROJECTION = { 138 OpenableColumns.SIZE 139 }; 140 private static final int ATTACHMENT_META_SIZE_COLUMN_SIZE = 0; 141 142 /** 143 * A registry of the active tasks used to save messages. 144 */ 145 private static final ConcurrentHashMap<Long, SendOrSaveMessageTask> sActiveSaveTasks = 146 new ConcurrentHashMap<Long, SendOrSaveMessageTask>(); 147 148 private static long sNextSaveTaskId = 1; 149 150 /** 151 * The ID of the latest save or send task requested by this Activity. 152 */ 153 private long mLastSaveTaskId = -1; 154 155 private Account mAccount; 156 157 /** 158 * The contents of the current message being edited. This is not always in sync with what's 159 * on the UI. {@link #updateMessage(Message, Account, boolean, boolean)} must be called to sync 160 * the UI values into this object. 161 */ 162 private Message mDraft = new Message(); 163 164 /** 165 * A collection of attachments the user is currently wanting to attach to this message. 166 */ 167 private final ArrayList<Attachment> mAttachments = new ArrayList<Attachment>(); 168 169 /** 170 * The source message for a reply, reply all, or forward. This is asynchronously loaded. 171 */ 172 private Message mSource; 173 174 /** 175 * The attachments associated with the source attachments. Usually included in a forward. 176 */ 177 private ArrayList<Attachment> mSourceAttachments = new ArrayList<Attachment>(); 178 179 /** 180 * The action being handled by this activity. This is initially populated from the 181 * {@link Intent}, but can switch between reply/reply all/forward where appropriate. 182 * This value is nullable (a null value indicating a regular "compose"). 183 */ 184 private String mAction; 185 186 private TextView mFromView; 187 private MultiAutoCompleteTextView mToView; 188 private MultiAutoCompleteTextView mCcView; 189 private MultiAutoCompleteTextView mBccView; 190 private View mCcBccContainer; 191 private EditText mSubjectView; 192 private EditText mMessageContentView; 193 private View mAttachmentContainer; 194 private ViewGroup mAttachmentContentView; 195 private View mQuotedTextArea; 196 private CheckBox mIncludeQuotedTextCheckBox; 197 private WebView mQuotedText; 198 private ActionSpinnerAdapter mActionSpinnerAdapter; 199 200 private Controller mController; 201 private boolean mDraftNeedsSaving; 202 private boolean mMessageLoaded; 203 private boolean mInitiallyEmpty; 204 private boolean mPickingAttachment = false; 205 private Boolean mQuickResponsesAvailable = true; 206 private final EmailAsyncTask.Tracker mTaskTracker = new EmailAsyncTask.Tracker(); 207 208 private AccountSpecifier mAddressAdapterTo; 209 private AccountSpecifier mAddressAdapterCc; 210 private AccountSpecifier mAddressAdapterBcc; 211 212 /** 213 * Watches the to, cc, bcc, subject, and message body fields. 214 */ 215 private final TextWatcher mWatcher = new TextWatcher() { 216 @Override 217 public void beforeTextChanged(CharSequence s, int start, 218 int before, int after) { } 219 220 @Override 221 public void onTextChanged(CharSequence s, int start, 222 int before, int count) { 223 setMessageChanged(true); 224 } 225 226 @Override 227 public void afterTextChanged(android.text.Editable s) { } 228 }; 229 230 private static Intent getBaseIntent(Context context) { 231 return new Intent(context, MessageCompose.class); 232 } 233 234 /** 235 * Create an {@link Intent} that can start the message compose activity. If accountId -1, 236 * the default account will be used; otherwise, the specified account is used. 237 */ 238 public static Intent getMessageComposeIntent(Context context, long accountId) { 239 Intent i = getBaseIntent(context); 240 i.putExtra(EXTRA_ACCOUNT_ID, accountId); 241 return i; 242 } 243 244 /** 245 * Creates an {@link Intent} that can start the message compose activity from the main Email 246 * activity. This should not be used for Intents to be fired from outside of the main Email 247 * activity, such as from widgets, as the behavior of the compose screen differs subtly from 248 * those cases. 249 */ 250 private static Intent getMainAppIntent(Context context, long accountId) { 251 Intent result = getMessageComposeIntent(context, accountId); 252 result.putExtra(EXTRA_FROM_WITHIN_APP, true); 253 return result; 254 } 255 256 /** 257 * Compose a new message using the given account. If account is {@link Account#NO_ACCOUNT} 258 * the default account will be used. 259 * This should only be called from the main Email application. 260 * @param context 261 * @param accountId 262 */ 263 public static void actionCompose(Context context, long accountId) { 264 try { 265 Intent i = getMainAppIntent(context, accountId); 266 context.startActivity(i); 267 } catch (ActivityNotFoundException anfe) { 268 // Swallow it - this is usually a race condition, especially under automated test. 269 // (The message composer might have been disabled) 270 Email.log(anfe.toString()); 271 } 272 } 273 274 /** 275 * Compose a new message using a uri (mailto:) and a given account. If account is -1 the 276 * default account will be used. 277 * This should only be called from the main Email application. 278 * @param context 279 * @param uriString 280 * @param accountId 281 * @return true if startActivity() succeeded 282 */ 283 public static boolean actionCompose(Context context, String uriString, long accountId) { 284 try { 285 Intent i = getMainAppIntent(context, accountId); 286 i.setAction(Intent.ACTION_SEND); 287 i.setData(Uri.parse(uriString)); 288 context.startActivity(i); 289 return true; 290 } catch (ActivityNotFoundException anfe) { 291 // Swallow it - this is usually a race condition, especially under automated test. 292 // (The message composer might have been disabled) 293 Email.log(anfe.toString()); 294 return false; 295 } 296 } 297 298 /** 299 * Compose a new message as a reply to the given message. If replyAll is true the function 300 * is reply all instead of simply reply. 301 * @param context 302 * @param messageId 303 * @param replyAll 304 */ 305 public static void actionReply(Context context, long messageId, boolean replyAll) { 306 startActivityWithMessage(context, replyAll ? ACTION_REPLY_ALL : ACTION_REPLY, messageId); 307 } 308 309 /** 310 * Compose a new message as a forward of the given message. 311 * @param context 312 * @param messageId 313 */ 314 public static void actionForward(Context context, long messageId) { 315 startActivityWithMessage(context, ACTION_FORWARD, messageId); 316 } 317 318 /** 319 * Continue composition of the given message. This action modifies the way this Activity 320 * handles certain actions. 321 * Save will attempt to replace the message in the given folder with the updated version. 322 * Discard will delete the message from the given folder. 323 * @param context 324 * @param messageId the message id. 325 */ 326 public static void actionEditDraft(Context context, long messageId) { 327 startActivityWithMessage(context, ACTION_EDIT_DRAFT, messageId); 328 } 329 330 /** 331 * Starts a compose activity with a message as a reference message (e.g. for reply or forward). 332 */ 333 private static void startActivityWithMessage(Context context, String action, long messageId) { 334 Intent i = getBaseIntent(context); 335 i.putExtra(EXTRA_MESSAGE_ID, messageId); 336 i.setAction(action); 337 context.startActivity(i); 338 } 339 340 private void setAccount(Intent intent) { 341 long accountId = intent.getLongExtra(EXTRA_ACCOUNT_ID, -1); 342 if (accountId == Account.NO_ACCOUNT) { 343 accountId = Account.getDefaultAccountId(this); 344 } 345 if (accountId == Account.NO_ACCOUNT) { 346 // There are no accounts set up. This should not have happened. Prompt the 347 // user to set up an account as an acceptable bailout. 348 Welcome.actionStart(this); 349 finish(); 350 } else { 351 setAccount(Account.restoreAccountWithId(this, accountId)); 352 } 353 } 354 355 private void setAccount(Account account) { 356 if (account == null) { 357 throw new IllegalArgumentException(); 358 } 359 mAccount = account; 360 mFromView.setText(account.mEmailAddress); 361 mAddressAdapterTo 362 .setAccount(new android.accounts.Account(account.mEmailAddress, "unknown")); 363 mAddressAdapterCc 364 .setAccount(new android.accounts.Account(account.mEmailAddress, "unknown")); 365 mAddressAdapterBcc 366 .setAccount(new android.accounts.Account(account.mEmailAddress, "unknown")); 367 368 new QuickResponseChecker(mTaskTracker).executeParallel((Void) null); 369 } 370 371 @Override 372 public void onCreate(Bundle savedInstanceState) { 373 super.onCreate(savedInstanceState); 374 ActivityHelper.debugSetWindowFlags(this); 375 setContentView(R.layout.message_compose); 376 377 mController = Controller.getInstance(getApplication()); 378 initViews(); 379 380 // Show the back arrow on the action bar. 381 getActionBar().setDisplayOptions( 382 ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP); 383 384 if (savedInstanceState != null) { 385 long draftId = savedInstanceState.getLong(STATE_KEY_DRAFT_ID, Message.NOT_SAVED); 386 long existingSaveTaskId = savedInstanceState.getLong(STATE_KEY_LAST_SAVE_TASK_ID, -1); 387 setAction(savedInstanceState.getString(STATE_KEY_ACTION)); 388 SendOrSaveMessageTask existingSaveTask = sActiveSaveTasks.get(existingSaveTaskId); 389 390 if ((draftId != Message.NOT_SAVED) || (existingSaveTask != null)) { 391 // Restoring state and there was an existing message saved or in the process of 392 // being saved. 393 resumeDraft(draftId, existingSaveTask, false /* don't restore views */); 394 } else { 395 // Restoring state but there was nothing saved - probably means the user rotated 396 // the device immediately - just use the Intent. 397 resolveIntent(getIntent()); 398 } 399 } else { 400 Intent intent = getIntent(); 401 setAction(intent.getAction()); 402 resolveIntent(intent); 403 } 404 } 405 406 private void resolveIntent(Intent intent) { 407 if (Intent.ACTION_VIEW.equals(mAction) 408 || Intent.ACTION_SENDTO.equals(mAction) 409 || Intent.ACTION_SEND.equals(mAction) 410 || Intent.ACTION_SEND_MULTIPLE.equals(mAction)) { 411 initFromIntent(intent); 412 setMessageChanged(true); 413 setMessageLoaded(true); 414 } else if (ACTION_REPLY.equals(mAction) 415 || ACTION_REPLY_ALL.equals(mAction) 416 || ACTION_FORWARD.equals(mAction)) { 417 long sourceMessageId = getIntent().getLongExtra(EXTRA_MESSAGE_ID, Message.NOT_SAVED); 418 loadSourceMessage(sourceMessageId, true); 419 420 } else if (ACTION_EDIT_DRAFT.equals(mAction)) { 421 // Assert getIntent.hasExtra(EXTRA_MESSAGE_ID) 422 long draftId = getIntent().getLongExtra(EXTRA_MESSAGE_ID, Message.NOT_SAVED); 423 resumeDraft(draftId, null, true /* restore views */); 424 425 } else { 426 // Normal compose flow for a new message. 427 setAccount(intent); 428 setInitialComposeText(null, getAccountSignature(mAccount)); 429 setMessageLoaded(true); 430 } 431 } 432 433 @Override 434 protected void onRestoreInstanceState(Bundle savedInstanceState) { 435 // Temporarily disable onTextChanged listeners while restoring the fields 436 removeListeners(); 437 super.onRestoreInstanceState(savedInstanceState); 438 if (savedInstanceState.getBoolean(STATE_KEY_CC_SHOWN)) { 439 showCcBccFields(); 440 } 441 mQuotedTextArea.setVisibility(savedInstanceState.getBoolean(STATE_KEY_QUOTED_TEXT_SHOWN) 442 ? View.VISIBLE : View.GONE); 443 mQuotedText.setVisibility(savedInstanceState.getBoolean(STATE_KEY_QUOTED_TEXT_SHOWN) 444 ? View.VISIBLE : View.GONE); 445 addListeners(); 446 } 447 448 // needed for unit tests 449 @Override 450 public void setIntent(Intent intent) { 451 super.setIntent(intent); 452 setAction(intent.getAction()); 453 } 454 455 private void setQuickResponsesAvailable(boolean quickResponsesAvailable) { 456 if (mQuickResponsesAvailable != quickResponsesAvailable) { 457 mQuickResponsesAvailable = quickResponsesAvailable; 458 invalidateOptionsMenu(); 459 } 460 } 461 462 /** 463 * Given an accountId and context, finds if the database has any QuickResponse 464 * entries and returns the result to the Callback. 465 */ 466 private class QuickResponseChecker extends EmailAsyncTask<Void, Void, Boolean> { 467 public QuickResponseChecker(EmailAsyncTask.Tracker tracker) { 468 super(tracker); 469 } 470 471 @Override 472 protected Boolean doInBackground(Void... params) { 473 return EmailContent.count(MessageCompose.this, QuickResponse.CONTENT_URI, 474 QuickResponseColumns.ACCOUNT_KEY + "=?", 475 new String[] {Long.toString(mAccount.mId)}) > 0; 476 } 477 478 @Override 479 protected void onSuccess(Boolean quickResponsesAvailable) { 480 setQuickResponsesAvailable(quickResponsesAvailable); 481 } 482 } 483 484 @Override 485 public void onResume() { 486 super.onResume(); 487 488 // Exit immediately if the accounts list has changed (e.g. externally deleted) 489 if (Email.getNotifyUiAccountsChanged()) { 490 Welcome.actionStart(this); 491 finish(); 492 return; 493 } 494 495 // If activity paused and quick responses are removed/added, possibly update options menu 496 if (mAccount != null) { 497 new QuickResponseChecker(mTaskTracker).executeParallel((Void) null); 498 } 499 } 500 501 @Override 502 public void onPause() { 503 super.onPause(); 504 saveIfNeeded(); 505 } 506 507 /** 508 * We override onDestroy to make sure that the WebView gets explicitly destroyed. 509 * Otherwise it can leak native references. 510 */ 511 @Override 512 public void onDestroy() { 513 super.onDestroy(); 514 mQuotedText.destroy(); 515 mQuotedText = null; 516 517 mTaskTracker.cancellAllInterrupt(); 518 519 if (mAddressAdapterTo != null && mAddressAdapterTo instanceof EmailAddressAdapter) { 520 ((EmailAddressAdapter) mAddressAdapterTo).close(); 521 } 522 if (mAddressAdapterCc != null && mAddressAdapterCc instanceof EmailAddressAdapter) { 523 ((EmailAddressAdapter) mAddressAdapterCc).close(); 524 } 525 if (mAddressAdapterBcc != null && mAddressAdapterBcc instanceof EmailAddressAdapter) { 526 ((EmailAddressAdapter) mAddressAdapterBcc).close(); 527 } 528 } 529 530 /** 531 * The framework handles most of the fields, but we need to handle stuff that we 532 * dynamically show and hide: 533 * Cc field, 534 * Bcc field, 535 * Quoted text, 536 */ 537 @Override 538 protected void onSaveInstanceState(Bundle outState) { 539 super.onSaveInstanceState(outState); 540 541 long draftId = mDraft.mId; 542 if (draftId != Message.NOT_SAVED) { 543 outState.putLong(STATE_KEY_DRAFT_ID, draftId); 544 } 545 outState.putBoolean(STATE_KEY_CC_SHOWN, mCcBccContainer.getVisibility() == View.VISIBLE); 546 outState.putBoolean(STATE_KEY_QUOTED_TEXT_SHOWN, 547 mQuotedTextArea.getVisibility() == View.VISIBLE); 548 outState.putString(STATE_KEY_ACTION, mAction); 549 550 // If there are any outstanding save requests, ensure that it's noted in case it hasn't 551 // finished by the time the activity is restored. 552 outState.putLong(STATE_KEY_LAST_SAVE_TASK_ID, mLastSaveTaskId); 553 } 554 555 @Override 556 public void onBackPressed() { 557 onBack(true /* systemKey */); 558 } 559 560 /** 561 * Whether or not the current message being edited has a source message (i.e. is a reply, 562 * or forward) that is loaded. 563 */ 564 private boolean hasSourceMessage() { 565 return mSource != null; 566 } 567 568 /** 569 * @return true if the activity was opened by the email app itself. 570 */ 571 private boolean isOpenedFromWithinApp() { 572 Intent i = getIntent(); 573 return (i != null && i.getBooleanExtra(EXTRA_FROM_WITHIN_APP, false)); 574 } 575 576 private boolean isOpenedFromWidget() { 577 Intent i = getIntent(); 578 return (i != null && i.getBooleanExtra(EXTRA_FROM_WIDGET, false)); 579 } 580 581 /** 582 * Sets message as loaded and then initializes the TextWatchers. 583 * @param isLoaded - value to which to set mMessageLoaded 584 */ 585 private void setMessageLoaded(boolean isLoaded) { 586 if (mMessageLoaded != isLoaded) { 587 mMessageLoaded = isLoaded; 588 addListeners(); 589 mInitiallyEmpty = areViewsEmpty(); 590 } 591 } 592 593 private void setMessageChanged(boolean messageChanged) { 594 boolean needsSaving = messageChanged && !(mInitiallyEmpty && areViewsEmpty()); 595 596 if (mDraftNeedsSaving != needsSaving) { 597 mDraftNeedsSaving = needsSaving; 598 invalidateOptionsMenu(); 599 } 600 } 601 602 /** 603 * @return whether or not all text fields are empty (i.e. the entire compose message is empty) 604 */ 605 private boolean areViewsEmpty() { 606 return (mToView.length() == 0) 607 && (mCcView.length() == 0) 608 && (mBccView.length() == 0) 609 && (mSubjectView.length() == 0) 610 && isBodyEmpty() 611 && mAttachments.isEmpty(); 612 } 613 614 private boolean isBodyEmpty() { 615 return (mMessageContentView.length() == 0) 616 || mMessageContentView.getText() 617 .toString().equals("\n" + getAccountSignature(mAccount)); 618 } 619 620 public void setFocusShifter(int fromViewId, final int targetViewId) { 621 View label = findViewById(fromViewId); // xlarge only 622 if (label != null) { 623 final View target = UiUtilities.getView(this, targetViewId); 624 label.setOnClickListener(new View.OnClickListener() { 625 @Override 626 public void onClick(View v) { 627 target.requestFocus(); 628 } 629 }); 630 } 631 } 632 633 /** 634 * An {@link InputFilter} that implements special address cleanup rules. 635 * The first space key entry following an "@" symbol that is followed by any combination 636 * of letters and symbols, including one+ dots and zero commas, should insert an extra 637 * comma (followed by the space). 638 */ 639 @VisibleForTesting 640 static final InputFilter RECIPIENT_FILTER = new InputFilter() { 641 @Override 642 public CharSequence filter(CharSequence source, int start, int end, Spanned dest, 643 int dstart, int dend) { 644 645 // Quick check - did they enter a single space? 646 if (end-start != 1 || source.charAt(start) != ' ') { 647 return null; 648 } 649 650 // determine if the characters before the new space fit the pattern 651 // follow backwards and see if we find a comma, dot, or @ 652 int scanBack = dstart; 653 boolean dotFound = false; 654 while (scanBack > 0) { 655 char c = dest.charAt(--scanBack); 656 switch (c) { 657 case '.': 658 dotFound = true; // one or more dots are req'd 659 break; 660 case ',': 661 return null; 662 case '@': 663 if (!dotFound) { 664 return null; 665 } 666 667 // we have found a comma-insert case. now just do it 668 // in the least expensive way we can. 669 if (source instanceof Spanned) { 670 SpannableStringBuilder sb = new SpannableStringBuilder(","); 671 sb.append(source); 672 return sb; 673 } else { 674 return ", "; 675 } 676 default: 677 // just keep going 678 } 679 } 680 681 // no termination cases were found, so don't edit the input 682 return null; 683 } 684 }; 685 686 private void initViews() { 687 ViewGroup toParent = UiUtilities.getViewOrNull(this, R.id.to_content); 688 if (toParent != null) { 689 mToView = (MultiAutoCompleteTextView) toParent.findViewById(R.id.to); 690 ViewGroup ccParent, bccParent; 691 ccParent = (ViewGroup) findViewById(R.id.cc_content); 692 mCcView = (MultiAutoCompleteTextView) ccParent.findViewById(R.id.cc); 693 bccParent = (ViewGroup) findViewById(R.id.bcc_content); 694 mBccView = (MultiAutoCompleteTextView) bccParent.findViewById(R.id.bcc); 695 } else { 696 mToView = UiUtilities.getView(this, R.id.to); 697 mCcView = UiUtilities.getView(this, R.id.cc); 698 mBccView = UiUtilities.getView(this, R.id.bcc); 699 } 700 701 mFromView = UiUtilities.getView(this, R.id.from); 702 mCcBccContainer = UiUtilities.getView(this, R.id.cc_bcc_wrapper); 703 mSubjectView = UiUtilities.getView(this, R.id.subject); 704 mMessageContentView = UiUtilities.getView(this, R.id.body_text); 705 mAttachmentContentView = UiUtilities.getView(this, R.id.attachments); 706 mAttachmentContainer = UiUtilities.getView(this, R.id.attachment_container); 707 mQuotedTextArea = UiUtilities.getView(this, R.id.quoted_text_area); 708 mIncludeQuotedTextCheckBox = UiUtilities.getView(this, R.id.include_quoted_text); 709 mQuotedText = UiUtilities.getView(this, R.id.quoted_text); 710 711 InputFilter[] recipientFilters = new InputFilter[] { RECIPIENT_FILTER }; 712 713 // NOTE: assumes no other filters are set 714 mToView.setFilters(recipientFilters); 715 mCcView.setFilters(recipientFilters); 716 mBccView.setFilters(recipientFilters); 717 718 /* 719 * We set this to invisible by default. Other methods will turn it back on if it's 720 * needed. 721 */ 722 mQuotedTextArea.setVisibility(View.GONE); 723 setIncludeQuotedText(false, false); 724 725 mIncludeQuotedTextCheckBox.setOnClickListener(this); 726 727 EmailAddressValidator addressValidator = new EmailAddressValidator(); 728 729 setupAddressAdapters(); 730 mToView.setTokenizer(new Rfc822Tokenizer()); 731 mToView.setValidator(addressValidator); 732 733 mCcView.setTokenizer(new Rfc822Tokenizer()); 734 mCcView.setValidator(addressValidator); 735 736 mBccView.setTokenizer(new Rfc822Tokenizer()); 737 mBccView.setValidator(addressValidator); 738 739 final View addCcBccView = UiUtilities.getViewOrNull(this, R.id.add_cc_bcc); 740 if (addCcBccView != null) { 741 // Tablet view. 742 addCcBccView.setOnClickListener(this); 743 } 744 745 final View addAttachmentView = UiUtilities.getViewOrNull(this, R.id.add_attachment); 746 if (addAttachmentView != null) { 747 // Tablet view. 748 addAttachmentView.setOnClickListener(this); 749 } 750 751 setFocusShifter(R.id.to_label, R.id.to); 752 setFocusShifter(R.id.cc_label, R.id.cc); 753 setFocusShifter(R.id.bcc_label, R.id.bcc); 754 setFocusShifter(R.id.composearea_tap_trap_bottom, R.id.body_text); 755 756 mMessageContentView.setOnFocusChangeListener(this); 757 758 updateAttachmentContainer(); 759 mToView.requestFocus(); 760 } 761 762 /** 763 * Initializes listeners. Should only be called once initializing of views is complete to 764 * avoid unnecessary draft saving. 765 */ 766 private void addListeners() { 767 mToView.addTextChangedListener(mWatcher); 768 mCcView.addTextChangedListener(mWatcher); 769 mBccView.addTextChangedListener(mWatcher); 770 mSubjectView.addTextChangedListener(mWatcher); 771 mMessageContentView.addTextChangedListener(mWatcher); 772 } 773 774 /** 775 * Removes listeners from the user-editable fields. Can be used to temporarily disable them 776 * while resetting fields (such as when changing from reply to reply all) to avoid 777 * unnecessary saving. 778 */ 779 private void removeListeners() { 780 mToView.removeTextChangedListener(mWatcher); 781 mCcView.removeTextChangedListener(mWatcher); 782 mBccView.removeTextChangedListener(mWatcher); 783 mSubjectView.removeTextChangedListener(mWatcher); 784 mMessageContentView.removeTextChangedListener(mWatcher); 785 } 786 787 /** 788 * Set up address auto-completion adapters. 789 */ 790 private void setupAddressAdapters() { 791 boolean supportsChips = ChipsUtil.supportsChipsUi(); 792 793 if (supportsChips && mToView instanceof RecipientEditTextView) { 794 mAddressAdapterTo = new RecipientAdapter(this, (RecipientEditTextView) mToView); 795 mToView.setAdapter((RecipientAdapter) mAddressAdapterTo); 796 } else { 797 mAddressAdapterTo = new EmailAddressAdapter(this); 798 mToView.setAdapter((EmailAddressAdapter) mAddressAdapterTo); 799 } 800 if (supportsChips && mCcView instanceof RecipientEditTextView) { 801 mAddressAdapterCc = new RecipientAdapter(this, (RecipientEditTextView) mCcView); 802 mCcView.setAdapter((RecipientAdapter) mAddressAdapterCc); 803 } else { 804 mAddressAdapterCc = new EmailAddressAdapter(this); 805 mCcView.setAdapter((EmailAddressAdapter) mAddressAdapterCc); 806 } 807 if (supportsChips && mBccView instanceof RecipientEditTextView) { 808 mAddressAdapterBcc = new RecipientAdapter(this, (RecipientEditTextView) mBccView); 809 mBccView.setAdapter((RecipientAdapter) mAddressAdapterBcc); 810 } else { 811 mAddressAdapterBcc = new EmailAddressAdapter(this); 812 mBccView.setAdapter((EmailAddressAdapter) mAddressAdapterBcc); 813 } 814 } 815 816 /** 817 * Asynchronously loads a draft message for editing. 818 * This may or may not restore the view contents, depending on whether or not callers want, 819 * since in the case of screen rotation, those are restored automatically. 820 */ 821 private void resumeDraft( 822 long draftId, 823 SendOrSaveMessageTask existingSaveTask, 824 final boolean restoreViews) { 825 // Note - this can be Message.NOT_SAVED if there is an existing save task in progress 826 // for the draft we need to load. 827 mDraft.mId = draftId; 828 829 new LoadMessageTask(draftId, existingSaveTask, new OnMessageLoadHandler() { 830 @Override 831 public void onMessageLoaded(Message message, Body body) { 832 message.mHtml = body.mHtmlContent; 833 message.mText = body.mTextContent; 834 message.mHtmlReply = body.mHtmlReply; 835 message.mTextReply = body.mTextReply; 836 message.mIntroText = body.mIntroText; 837 message.mSourceKey = body.mSourceKey; 838 839 mDraft = message; 840 processDraftMessage(message, restoreViews); 841 842 // Load attachments related to the draft. 843 loadAttachments(message.mId, mAccount, new AttachmentLoadedCallback() { 844 @Override 845 public void onAttachmentLoaded(Attachment[] attachments) { 846 for (Attachment attachment: attachments) { 847 addAttachment(attachment); 848 } 849 } 850 }); 851 852 // If we're resuming an edit of a reply, reply-all, or forward, re-load the 853 // source message if available so that we get more information. 854 if (message.mSourceKey != Message.NOT_SAVED) { 855 loadSourceMessage(message.mSourceKey, false /* restore views */); 856 } 857 } 858 859 @Override 860 public void onLoadFailed() { 861 Utility.showToast(MessageCompose.this, R.string.error_loading_message_body); 862 finish(); 863 } 864 }).executeSerial((Void[]) null); 865 } 866 867 @VisibleForTesting 868 void processDraftMessage(Message message, boolean restoreViews) { 869 if (restoreViews) { 870 mSubjectView.setText(message.mSubject); 871 addAddresses(mToView, Address.unpack(message.mTo)); 872 Address[] cc = Address.unpack(message.mCc); 873 if (cc.length > 0) { 874 addAddresses(mCcView, cc); 875 } 876 Address[] bcc = Address.unpack(message.mBcc); 877 if (bcc.length > 0) { 878 addAddresses(mBccView, bcc); 879 } 880 881 mMessageContentView.setText(message.mText); 882 883 showCcBccFieldsIfFilled(); 884 setNewMessageFocus(); 885 } 886 setMessageChanged(false); 887 888 // The quoted text must always be restored. 889 displayQuotedText(message.mTextReply, message.mHtmlReply); 890 setIncludeQuotedText( 891 (mDraft.mFlags & Message.FLAG_NOT_INCLUDE_QUOTED_TEXT) == 0, false); 892 } 893 894 /** 895 * Asynchronously loads a source message (to be replied or forwarded in this current view), 896 * populating text fields and quoted text fields when the load finishes, if requested. 897 */ 898 private void loadSourceMessage(long sourceMessageId, final boolean restoreViews) { 899 new LoadMessageTask(sourceMessageId, null, new OnMessageLoadHandler() { 900 @Override 901 public void onMessageLoaded(Message message, Body body) { 902 message.mHtml = body.mHtmlContent; 903 message.mText = body.mTextContent; 904 message.mHtmlReply = null; 905 message.mTextReply = null; 906 message.mIntroText = null; 907 mSource = message; 908 mSourceAttachments = new ArrayList<Attachment>(); 909 910 if (restoreViews) { 911 processSourceMessage(mSource, mAccount); 912 setInitialComposeText(null, getAccountSignature(mAccount)); 913 } 914 915 loadAttachments(message.mId, mAccount, new AttachmentLoadedCallback() { 916 @Override 917 public void onAttachmentLoaded(Attachment[] attachments) { 918 final boolean supportsSmartForward = 919 (mAccount.mFlags & Account.FLAGS_SUPPORTS_SMART_FORWARD) != 0; 920 921 // Process the attachments to have the appropriate smart forward flags. 922 for (Attachment attachment : attachments) { 923 if (supportsSmartForward) { 924 attachment.mFlags |= Attachment.FLAG_SMART_FORWARD; 925 } 926 mSourceAttachments.add(attachment); 927 } 928 if (isForward() && restoreViews) { 929 if (processSourceMessageAttachments( 930 mAttachments, mSourceAttachments, true)) { 931 updateAttachmentUi(); 932 setMessageChanged(true); 933 } 934 } 935 } 936 }); 937 938 if (mAction.equals(ACTION_EDIT_DRAFT)) { 939 // Resuming a draft may in fact be resuming a reply/reply all/forward. 940 // Use a best guess and infer the action here. 941 String inferredAction = inferAction(); 942 if (inferredAction != null) { 943 setAction(inferredAction); 944 // No need to update the action selector as switching actions should do it. 945 return; 946 } 947 } 948 949 updateActionSelector(); 950 } 951 952 @Override 953 public void onLoadFailed() { 954 // The loading of the source message is only really required if it is needed 955 // immediately to restore the view contents. In the case of resuming draft, it 956 // is only needed to gather additional information. 957 if (restoreViews) { 958 Utility.showToast(MessageCompose.this, R.string.error_loading_message_body); 959 finish(); 960 } 961 } 962 }).executeSerial((Void[]) null); 963 } 964 965 /** 966 * Infers whether or not the current state of the message best reflects either a reply, 967 * reply-all, or forward. 968 */ 969 @VisibleForTesting 970 String inferAction() { 971 String subject = mSubjectView.getText().toString(); 972 if (subject == null) { 973 return null; 974 } 975 if (subject.toLowerCase().startsWith("fwd:")) { 976 return ACTION_FORWARD; 977 } else if (subject.toLowerCase().startsWith("re:")) { 978 int numRecipients = getAddresses(mToView).length 979 + getAddresses(mCcView).length 980 + getAddresses(mBccView).length; 981 if (numRecipients > 1) { 982 return ACTION_REPLY_ALL; 983 } else { 984 return ACTION_REPLY; 985 } 986 } else { 987 // Unsure. 988 return null; 989 } 990 } 991 992 private interface OnMessageLoadHandler { 993 /** 994 * Handles a load to a message (e.g. a draft message or a source message). 995 */ 996 void onMessageLoaded(Message message, Body body); 997 998 /** 999 * Handles a failure to load a message. 1000 */ 1001 void onLoadFailed(); 1002 } 1003 1004 /** 1005 * Asynchronously loads a message and the account information. 1006 * This can be used to load a reference message (when replying) or when restoring a draft. 1007 */ 1008 private class LoadMessageTask extends EmailAsyncTask<Void, Void, Object[]> { 1009 /** 1010 * The message ID to load, if available. 1011 */ 1012 private long mMessageId; 1013 1014 /** 1015 * A future-like reference to the save task which must complete prior to this load. 1016 */ 1017 private final SendOrSaveMessageTask mSaveTask; 1018 1019 /** 1020 * A callback to pass the results of the load to. 1021 */ 1022 private final OnMessageLoadHandler mCallback; 1023 1024 public LoadMessageTask( 1025 long messageId, SendOrSaveMessageTask saveTask, OnMessageLoadHandler callback) { 1026 super(mTaskTracker); 1027 mMessageId = messageId; 1028 mSaveTask = saveTask; 1029 mCallback = callback; 1030 } 1031 1032 private long getIdToLoad() throws InterruptedException, ExecutionException { 1033 if (mMessageId == -1) { 1034 mMessageId = mSaveTask.get(); 1035 } 1036 return mMessageId; 1037 } 1038 1039 @Override 1040 protected Object[] doInBackground(Void... params) { 1041 long messageId; 1042 try { 1043 messageId = getIdToLoad(); 1044 } catch (InterruptedException e) { 1045 // Don't have a good message ID to load - bail. 1046 Log.e(Logging.LOG_TAG, 1047 "Unable to load draft message since existing save task failed: " + e); 1048 return null; 1049 } catch (ExecutionException e) { 1050 // Don't have a good message ID to load - bail. 1051 Log.e(Logging.LOG_TAG, 1052 "Unable to load draft message since existing save task failed: " + e); 1053 return null; 1054 } 1055 Message message = Message.restoreMessageWithId(MessageCompose.this, messageId); 1056 if (message == null) { 1057 return null; 1058 } 1059 long accountId = message.mAccountKey; 1060 Account account = Account.restoreAccountWithId(MessageCompose.this, accountId); 1061 Body body; 1062 try { 1063 body = Body.restoreBodyWithMessageId(MessageCompose.this, message.mId); 1064 } catch (RuntimeException e) { 1065 Log.d(Logging.LOG_TAG, "Exception while loading message body: " + e); 1066 return null; 1067 } 1068 return new Object[] {message, body, account}; 1069 } 1070 1071 @Override 1072 protected void onSuccess(Object[] results) { 1073 if ((results == null) || (results.length != 3)) { 1074 mCallback.onLoadFailed(); 1075 return; 1076 } 1077 1078 final Message message = (Message) results[0]; 1079 final Body body = (Body) results[1]; 1080 final Account account = (Account) results[2]; 1081 if ((message == null) || (body == null) || (account == null)) { 1082 mCallback.onLoadFailed(); 1083 return; 1084 } 1085 1086 setAccount(account); 1087 mCallback.onMessageLoaded(message, body); 1088 setMessageLoaded(true); 1089 } 1090 } 1091 1092 private interface AttachmentLoadedCallback { 1093 /** 1094 * Handles completion of the loading of a set of attachments. 1095 * Callback will always happen on the main thread. 1096 */ 1097 void onAttachmentLoaded(Attachment[] attachment); 1098 } 1099 1100 private void loadAttachments( 1101 final long messageId, 1102 final Account account, 1103 final AttachmentLoadedCallback callback) { 1104 new EmailAsyncTask<Void, Void, Attachment[]>(mTaskTracker) { 1105 @Override 1106 protected Attachment[] doInBackground(Void... params) { 1107 return Attachment.restoreAttachmentsWithMessageId(MessageCompose.this, messageId); 1108 } 1109 1110 @Override 1111 protected void onSuccess(Attachment[] attachments) { 1112 if (attachments == null) { 1113 attachments = new Attachment[0]; 1114 } 1115 callback.onAttachmentLoaded(attachments); 1116 } 1117 }.executeSerial((Void[]) null); 1118 } 1119 1120 @Override 1121 public void onFocusChange(View view, boolean focused) { 1122 if (focused) { 1123 switch (view.getId()) { 1124 case R.id.body_text: 1125 // When focusing on the message content via tabbing to it, or other means of 1126 // auto focusing, move the cursor to the end of the body (before the signature). 1127 if (mMessageContentView.getSelectionStart() == 0 1128 && mMessageContentView.getSelectionEnd() == 0) { 1129 // There is no way to determine if the focus change was programmatic or due 1130 // to keyboard event, or if it was due to a tap/restore. Use a best-guess 1131 // by using the fact that auto-focus/keyboard tabs set the selection to 0. 1132 setMessageContentSelection(getAccountSignature(mAccount)); 1133 } 1134 } 1135 } 1136 } 1137 1138 private static void addAddresses(MultiAutoCompleteTextView view, Address[] addresses) { 1139 if (addresses == null) { 1140 return; 1141 } 1142 for (Address address : addresses) { 1143 addAddress(view, address.toString()); 1144 } 1145 } 1146 1147 private static void addAddresses(MultiAutoCompleteTextView view, String[] addresses) { 1148 if (addresses == null) { 1149 return; 1150 } 1151 for (String oneAddress : addresses) { 1152 addAddress(view, oneAddress); 1153 } 1154 } 1155 1156 private static void addAddresses(MultiAutoCompleteTextView view, String addresses) { 1157 if (addresses == null) { 1158 return; 1159 } 1160 Address[] unpackedAddresses = Address.unpack(addresses); 1161 for (Address address : unpackedAddresses) { 1162 addAddress(view, address.toString()); 1163 } 1164 } 1165 1166 private static void addAddress(MultiAutoCompleteTextView view, String address) { 1167 view.append(address + ", "); 1168 } 1169 1170 private static String getPackedAddresses(TextView view) { 1171 Address[] addresses = Address.parse(view.getText().toString().trim()); 1172 return Address.pack(addresses); 1173 } 1174 1175 private static Address[] getAddresses(TextView view) { 1176 Address[] addresses = Address.parse(view.getText().toString().trim()); 1177 return addresses; 1178 } 1179 1180 /* 1181 * Computes a short string indicating the destination of the message based on To, Cc, Bcc. 1182 * If only one address appears, returns the friendly form of that address. 1183 * Otherwise returns the friendly form of the first address appended with "and N others". 1184 */ 1185 private String makeDisplayName(String packedTo, String packedCc, String packedBcc) { 1186 Address first = null; 1187 int nRecipients = 0; 1188 for (String packed: new String[] {packedTo, packedCc, packedBcc}) { 1189 Address[] addresses = Address.unpack(packed); 1190 nRecipients += addresses.length; 1191 if (first == null && addresses.length > 0) { 1192 first = addresses[0]; 1193 } 1194 } 1195 if (nRecipients == 0) { 1196 return ""; 1197 } 1198 String friendly = first.toFriendly(); 1199 if (nRecipients == 1) { 1200 return friendly; 1201 } 1202 return this.getString(R.string.message_compose_display_name, friendly, nRecipients - 1); 1203 } 1204 1205 private ContentValues getUpdateContentValues(Message message) { 1206 ContentValues values = new ContentValues(); 1207 values.put(MessageColumns.TIMESTAMP, message.mTimeStamp); 1208 values.put(MessageColumns.FROM_LIST, message.mFrom); 1209 values.put(MessageColumns.TO_LIST, message.mTo); 1210 values.put(MessageColumns.CC_LIST, message.mCc); 1211 values.put(MessageColumns.BCC_LIST, message.mBcc); 1212 values.put(MessageColumns.SUBJECT, message.mSubject); 1213 values.put(MessageColumns.DISPLAY_NAME, message.mDisplayName); 1214 values.put(MessageColumns.FLAG_READ, message.mFlagRead); 1215 values.put(MessageColumns.FLAG_LOADED, message.mFlagLoaded); 1216 values.put(MessageColumns.FLAG_ATTACHMENT, message.mFlagAttachment); 1217 values.put(MessageColumns.FLAGS, message.mFlags); 1218 return values; 1219 } 1220 1221 /** 1222 * Updates the given message using values from the compose UI. 1223 * 1224 * @param message The message to be updated. 1225 * @param account the account (used to obtain From: address). 1226 * @param hasAttachments true if it has one or more attachment. 1227 * @param sending set true if the message is about to sent, in which case we perform final 1228 * clean up; 1229 */ 1230 private void updateMessage(Message message, Account account, boolean hasAttachments, 1231 boolean sending) { 1232 if (message.mMessageId == null || message.mMessageId.length() == 0) { 1233 message.mMessageId = Utility.generateMessageId(); 1234 } 1235 message.mTimeStamp = System.currentTimeMillis(); 1236 message.mFrom = new Address(account.getEmailAddress(), account.getSenderName()).pack(); 1237 message.mTo = getPackedAddresses(mToView); 1238 message.mCc = getPackedAddresses(mCcView); 1239 message.mBcc = getPackedAddresses(mBccView); 1240 message.mSubject = mSubjectView.getText().toString(); 1241 message.mText = mMessageContentView.getText().toString(); 1242 message.mAccountKey = account.mId; 1243 message.mDisplayName = makeDisplayName(message.mTo, message.mCc, message.mBcc); 1244 message.mFlagRead = true; 1245 message.mFlagLoaded = Message.FLAG_LOADED_COMPLETE; 1246 message.mFlagAttachment = hasAttachments; 1247 // Use the Intent to set flags saying this message is a reply or a forward and save the 1248 // unique id of the source message 1249 if (mSource != null && mQuotedTextArea.getVisibility() == View.VISIBLE) { 1250 message.mSourceKey = mSource.mId; 1251 // If the quote bar is visible; this must either be a reply or forward 1252 // Get the body of the source message here 1253 message.mHtmlReply = mSource.mHtml; 1254 message.mTextReply = mSource.mText; 1255 String fromAsString = Address.unpackToString(mSource.mFrom); 1256 if (isForward()) { 1257 message.mFlags |= Message.FLAG_TYPE_FORWARD; 1258 String subject = mSource.mSubject; 1259 String to = Address.unpackToString(mSource.mTo); 1260 String cc = Address.unpackToString(mSource.mCc); 1261 message.mIntroText = 1262 getString(R.string.message_compose_fwd_header_fmt, subject, fromAsString, 1263 to != null ? to : "", cc != null ? cc : ""); 1264 } else { 1265 message.mFlags |= Message.FLAG_TYPE_REPLY; 1266 message.mIntroText = 1267 getString(R.string.message_compose_reply_header_fmt, fromAsString); 1268 } 1269 } 1270 1271 if (includeQuotedText()) { 1272 message.mFlags &= ~Message.FLAG_NOT_INCLUDE_QUOTED_TEXT; 1273 } else { 1274 message.mFlags |= Message.FLAG_NOT_INCLUDE_QUOTED_TEXT; 1275 if (sending) { 1276 // If we are about to send a message, and not including the original message, 1277 // clear the related field. 1278 // We can't do this until the last minutes, so that the user can change their 1279 // mind later and want to include it again. 1280 mDraft.mIntroText = null; 1281 mDraft.mTextReply = null; 1282 mDraft.mHtmlReply = null; 1283 1284 // Note that mSourceKey is not cleared out as this is still considered a 1285 // reply/forward. 1286 } 1287 } 1288 } 1289 1290 private class SendOrSaveMessageTask extends EmailAsyncTask<Void, Void, Long> { 1291 private final boolean mSend; 1292 private final long mTaskId; 1293 1294 /** A context that will survive even past activity destruction. */ 1295 private final Context mContext; 1296 1297 public SendOrSaveMessageTask(long taskId, boolean send) { 1298 super(null /* DO NOT cancel in onDestroy */); 1299 if (send && ActivityManager.isUserAMonkey()) { 1300 Log.d(Logging.LOG_TAG, "Inhibiting send while monkey is in charge."); 1301 send = false; 1302 } 1303 mTaskId = taskId; 1304 mSend = send; 1305 mContext = getApplicationContext(); 1306 1307 sActiveSaveTasks.put(mTaskId, this); 1308 } 1309 1310 @Override 1311 protected Long doInBackground(Void... params) { 1312 synchronized (mDraft) { 1313 updateMessage(mDraft, mAccount, mAttachments.size() > 0, mSend); 1314 ContentResolver resolver = getContentResolver(); 1315 if (mDraft.isSaved()) { 1316 // Update the message 1317 Uri draftUri = 1318 ContentUris.withAppendedId(Message.SYNCED_CONTENT_URI, mDraft.mId); 1319 resolver.update(draftUri, getUpdateContentValues(mDraft), null, null); 1320 // Update the body 1321 ContentValues values = new ContentValues(); 1322 values.put(BodyColumns.TEXT_CONTENT, mDraft.mText); 1323 values.put(BodyColumns.TEXT_REPLY, mDraft.mTextReply); 1324 values.put(BodyColumns.HTML_REPLY, mDraft.mHtmlReply); 1325 values.put(BodyColumns.INTRO_TEXT, mDraft.mIntroText); 1326 values.put(BodyColumns.SOURCE_MESSAGE_KEY, mDraft.mSourceKey); 1327 Body.updateBodyWithMessageId(MessageCompose.this, mDraft.mId, values); 1328 } else { 1329 // mDraft.mId is set upon return of saveToMailbox() 1330 mController.saveToMailbox(mDraft, Mailbox.TYPE_DRAFTS); 1331 } 1332 // For any unloaded attachment, set the flag saying we need it loaded 1333 boolean hasUnloadedAttachments = false; 1334 for (Attachment attachment : mAttachments) { 1335 if (attachment.mContentUri == null && 1336 ((attachment.mFlags & Attachment.FLAG_SMART_FORWARD) == 0)) { 1337 attachment.mFlags |= Attachment.FLAG_DOWNLOAD_FORWARD; 1338 hasUnloadedAttachments = true; 1339 if (Email.DEBUG) { 1340 Log.d(Logging.LOG_TAG, 1341 "Requesting download of attachment #" + attachment.mId); 1342 } 1343 } 1344 // Make sure the UI version of the attachment has the now-correct id; we will 1345 // use the id again when coming back from picking new attachments 1346 if (!attachment.isSaved()) { 1347 // this attachment is new so save it to DB. 1348 attachment.mMessageKey = mDraft.mId; 1349 attachment.save(MessageCompose.this); 1350 } else if (attachment.mMessageKey != mDraft.mId) { 1351 // We clone the attachment and save it again; otherwise, it will 1352 // continue to point to the source message. From this point forward, 1353 // the attachments will be independent of the original message in the 1354 // database; however, we still need the message on the server in order 1355 // to retrieve unloaded attachments 1356 attachment.mMessageKey = mDraft.mId; 1357 ContentValues cv = attachment.toContentValues(); 1358 cv.put(Attachment.FLAGS, attachment.mFlags); 1359 cv.put(Attachment.MESSAGE_KEY, mDraft.mId); 1360 getContentResolver().insert(Attachment.CONTENT_URI, cv); 1361 } 1362 } 1363 1364 if (mSend) { 1365 // Let the user know if message sending might be delayed by background 1366 // downlading of unloaded attachments 1367 if (hasUnloadedAttachments) { 1368 Utility.showToast(MessageCompose.this, 1369 R.string.message_view_attachment_background_load); 1370 } 1371 mController.sendMessage(mDraft); 1372 1373 ArrayList<CharSequence> addressTexts = new ArrayList<CharSequence>(); 1374 addressTexts.add(mToView.getText()); 1375 addressTexts.add(mCcView.getText()); 1376 addressTexts.add(mBccView.getText()); 1377 DataUsageStatUpdater updater = new DataUsageStatUpdater(mContext); 1378 updater.updateWithRfc822Address(addressTexts); 1379 } 1380 return mDraft.mId; 1381 } 1382 } 1383 1384 private boolean shouldShowSaveToast() { 1385 // Don't show the toast when rotating, or when opening an Activity on top of this one. 1386 return !isChangingConfigurations() && !mPickingAttachment; 1387 } 1388 1389 @Override 1390 protected void onSuccess(Long draftId) { 1391 // Note that send or save tasks are always completed, even if the activity 1392 // finishes earlier. 1393 sActiveSaveTasks.remove(mTaskId); 1394 // Don't display the toast if the user is just changing the orientation 1395 if (!mSend && shouldShowSaveToast()) { 1396 Toast.makeText(mContext, R.string.message_saved_toast, Toast.LENGTH_LONG).show(); 1397 } 1398 } 1399 } 1400 1401 /** 1402 * Send or save a message: 1403 * - out of the UI thread 1404 * - write to Drafts 1405 * - if send, invoke Controller.sendMessage() 1406 * - when operation is complete, display toast 1407 */ 1408 private void sendOrSaveMessage(boolean send) { 1409 if (!mMessageLoaded) { 1410 Log.w(Logging.LOG_TAG, 1411 "Attempted to save draft message prior to the state being fully loaded"); 1412 return; 1413 } 1414 synchronized (sActiveSaveTasks) { 1415 mLastSaveTaskId = sNextSaveTaskId++; 1416 1417 SendOrSaveMessageTask task = new SendOrSaveMessageTask(mLastSaveTaskId, send); 1418 1419 // Ensure the tasks are executed serially so that rapid scheduling doesn't result 1420 // in inconsistent data. 1421 task.executeSerial(); 1422 } 1423 } 1424 1425 private void saveIfNeeded() { 1426 if (!mDraftNeedsSaving) { 1427 return; 1428 } 1429 setMessageChanged(false); 1430 sendOrSaveMessage(false); 1431 } 1432 1433 /** 1434 * Checks whether all the email addresses listed in TO, CC, BCC are valid. 1435 */ 1436 @VisibleForTesting 1437 boolean isAddressAllValid() { 1438 boolean supportsChips = ChipsUtil.supportsChipsUi(); 1439 for (TextView view : new TextView[]{mToView, mCcView, mBccView}) { 1440 String addresses = view.getText().toString().trim(); 1441 if (!Address.isAllValid(addresses)) { 1442 // Don't show an error message if we're using chips as the chips have 1443 // their own error state. 1444 if (!supportsChips || !(view instanceof RecipientEditTextView)) { 1445 view.setError(getString(R.string.message_compose_error_invalid_email)); 1446 } 1447 return false; 1448 } 1449 } 1450 return true; 1451 } 1452 1453 private void onSend() { 1454 if (!isAddressAllValid()) { 1455 Toast.makeText(this, getString(R.string.message_compose_error_invalid_email), 1456 Toast.LENGTH_LONG).show(); 1457 } else if (getAddresses(mToView).length == 0 && 1458 getAddresses(mCcView).length == 0 && 1459 getAddresses(mBccView).length == 0) { 1460 mToView.setError(getString(R.string.message_compose_error_no_recipients)); 1461 Toast.makeText(this, getString(R.string.message_compose_error_no_recipients), 1462 Toast.LENGTH_LONG).show(); 1463 } else { 1464 sendOrSaveMessage(true); 1465 setMessageChanged(false); 1466 finish(); 1467 } 1468 } 1469 1470 private void showQuickResponseDialog() { 1471 if (mAccount == null) { 1472 // Load not finished, bail. 1473 return; 1474 } 1475 InsertQuickResponseDialog.newInstance(null, mAccount) 1476 .show(getFragmentManager(), null); 1477 } 1478 1479 /** 1480 * Inserts the selected QuickResponse into the message body at the current cursor position. 1481 */ 1482 @Override 1483 public void onQuickResponseSelected(CharSequence text) { 1484 int start = mMessageContentView.getSelectionStart(); 1485 int end = mMessageContentView.getSelectionEnd(); 1486 mMessageContentView.getEditableText().replace(start, end, text); 1487 } 1488 1489 private void onDiscard() { 1490 DeleteMessageConfirmationDialog.newInstance(1, null).show(getFragmentManager(), "dialog"); 1491 } 1492 1493 /** 1494 * Called when ok on the "discard draft" dialog is pressed. Actually delete the draft. 1495 */ 1496 @Override 1497 public void onDeleteMessageConfirmationDialogOkPressed() { 1498 if (mDraft.mId > 0) { 1499 // By the way, we can't pass the message ID from onDiscard() to here (using a 1500 // dialog argument or whatever), because you can rotate the screen when the dialog is 1501 // shown, and during rotation we save & restore the draft. If it's the 1502 // first save, we give it an ID at this point for the first time (and last time). 1503 // Which means it's possible for a draft to not have an ID in onDiscard(), 1504 // but here. 1505 mController.deleteMessage(mDraft.mId); 1506 } 1507 Utility.showToast(MessageCompose.this, R.string.message_discarded_toast); 1508 setMessageChanged(false); 1509 finish(); 1510 } 1511 1512 /** 1513 * Handles an explicit user-initiated action to save a draft. 1514 */ 1515 private void onSave() { 1516 saveIfNeeded(); 1517 } 1518 1519 private void showCcBccFieldsIfFilled() { 1520 if ((mCcView.length() > 0) || (mBccView.length() > 0)) { 1521 showCcBccFields(); 1522 } 1523 } 1524 1525 private void showCcBccFields() { 1526 if (mCcBccContainer.getVisibility() != View.VISIBLE) { 1527 mCcBccContainer.setVisibility(View.VISIBLE); 1528 mCcView.requestFocus(); 1529 UiUtilities.setVisibilitySafe(this, R.id.add_cc_bcc, View.INVISIBLE); 1530 invalidateOptionsMenu(); 1531 } 1532 } 1533 1534 /** 1535 * Kick off a picker for whatever kind of MIME types we'll accept and let Android take over. 1536 */ 1537 private void onAddAttachment() { 1538 Intent i = new Intent(Intent.ACTION_GET_CONTENT); 1539 i.addCategory(Intent.CATEGORY_OPENABLE); 1540 i.setType(AttachmentUtilities.ACCEPTABLE_ATTACHMENT_SEND_UI_TYPES[0]); 1541 mPickingAttachment = true; 1542 startActivityForResult( 1543 Intent.createChooser(i, getString(R.string.choose_attachment_dialog_title)), 1544 ACTIVITY_REQUEST_PICK_ATTACHMENT); 1545 } 1546 1547 private Attachment loadAttachmentInfo(Uri uri) { 1548 long size = -1; 1549 ContentResolver contentResolver = getContentResolver(); 1550 1551 // Load name & size independently, because not all providers support both 1552 final String name = Utility.getContentFileName(this, uri); 1553 1554 Cursor metadataCursor = contentResolver.query(uri, ATTACHMENT_META_SIZE_PROJECTION, 1555 null, null, null); 1556 if (metadataCursor != null) { 1557 try { 1558 if (metadataCursor.moveToFirst()) { 1559 size = metadataCursor.getLong(ATTACHMENT_META_SIZE_COLUMN_SIZE); 1560 } 1561 } finally { 1562 metadataCursor.close(); 1563 } 1564 } 1565 1566 // When the size is not provided, we need to determine it locally. 1567 if (size < 0) { 1568 // if the URI is a file: URI, ask file system for its size 1569 if ("file".equalsIgnoreCase(uri.getScheme())) { 1570 String path = uri.getPath(); 1571 if (path != null) { 1572 File file = new File(path); 1573 size = file.length(); // Returns 0 for file not found 1574 } 1575 } 1576 1577 if (size <= 0) { 1578 // The size was not measurable; This attachment is not safe to use. 1579 // Quick hack to force a relevant error into the UI 1580 // TODO: A proper announcement of the problem 1581 size = AttachmentUtilities.MAX_ATTACHMENT_UPLOAD_SIZE + 1; 1582 } 1583 } 1584 1585 Attachment attachment = new Attachment(); 1586 attachment.mFileName = name; 1587 attachment.mContentUri = uri.toString(); 1588 attachment.mSize = size; 1589 attachment.mMimeType = AttachmentUtilities.inferMimeTypeForUri(this, uri); 1590 return attachment; 1591 } 1592 1593 private void addAttachment(Attachment attachment) { 1594 // Before attaching the attachment, make sure it meets any other pre-attach criteria 1595 if (attachment.mSize > AttachmentUtilities.MAX_ATTACHMENT_UPLOAD_SIZE) { 1596 Toast.makeText(this, R.string.message_compose_attachment_size, Toast.LENGTH_LONG) 1597 .show(); 1598 return; 1599 } 1600 1601 mAttachments.add(attachment); 1602 updateAttachmentUi(); 1603 } 1604 1605 private void updateAttachmentUi() { 1606 mAttachmentContentView.removeAllViews(); 1607 1608 for (Attachment attachment : mAttachments) { 1609 // Note: allowDelete is set in two cases: 1610 // 1. First time a message (w/ attachments) is forwarded, 1611 // where action == ACTION_FORWARD 1612 // 2. 1 -> Save -> Reopen 1613 // but FLAG_SMART_FORWARD is already set at 1. 1614 // Even if the account supports smart-forward, attachments added 1615 // manually are still removable. 1616 final boolean allowDelete = (attachment.mFlags & Attachment.FLAG_SMART_FORWARD) == 0; 1617 1618 View view = getLayoutInflater().inflate(R.layout.attachment, mAttachmentContentView, 1619 false); 1620 TextView nameView = UiUtilities.getView(view, R.id.attachment_name); 1621 ImageView delete = UiUtilities.getView(view, R.id.remove_attachment); 1622 TextView sizeView = UiUtilities.getView(view, R.id.attachment_size); 1623 1624 nameView.setText(attachment.mFileName); 1625 if (attachment.mSize > 0) { 1626 sizeView.setText(UiUtilities.formatSize(this, attachment.mSize)); 1627 } else { 1628 sizeView.setVisibility(View.GONE); 1629 } 1630 if (allowDelete) { 1631 delete.setOnClickListener(this); 1632 delete.setTag(view); 1633 } else { 1634 delete.setVisibility(View.INVISIBLE); 1635 } 1636 view.setTag(attachment); 1637 mAttachmentContentView.addView(view); 1638 } 1639 updateAttachmentContainer(); 1640 } 1641 1642 private void updateAttachmentContainer() { 1643 mAttachmentContainer.setVisibility(mAttachmentContentView.getChildCount() == 0 1644 ? View.GONE : View.VISIBLE); 1645 } 1646 1647 private void addAttachmentFromUri(Uri uri) { 1648 addAttachment(loadAttachmentInfo(uri)); 1649 } 1650 1651 /** 1652 * Same as {@link #addAttachmentFromUri}, but does the mime-type check against 1653 * {@link AttachmentUtilities#ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES}. 1654 */ 1655 private void addAttachmentFromSendIntent(Uri uri) { 1656 final Attachment attachment = loadAttachmentInfo(uri); 1657 final String mimeType = attachment.mMimeType; 1658 if (!TextUtils.isEmpty(mimeType) && MimeUtility.mimeTypeMatches(mimeType, 1659 AttachmentUtilities.ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES)) { 1660 addAttachment(attachment); 1661 } 1662 } 1663 1664 @Override 1665 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 1666 mPickingAttachment = false; 1667 if (data == null) { 1668 return; 1669 } 1670 addAttachmentFromUri(data.getData()); 1671 setMessageChanged(true); 1672 } 1673 1674 private boolean includeQuotedText() { 1675 return mIncludeQuotedTextCheckBox.isChecked(); 1676 } 1677 1678 public void onClick(View view) { 1679 if (handleCommand(view.getId())) { 1680 return; 1681 } 1682 switch (view.getId()) { 1683 case R.id.remove_attachment: 1684 onDeleteAttachmentIconClicked(view); 1685 break; 1686 } 1687 } 1688 1689 private void setIncludeQuotedText(boolean include, boolean updateNeedsSaving) { 1690 mIncludeQuotedTextCheckBox.setChecked(include); 1691 mQuotedText.setVisibility(mIncludeQuotedTextCheckBox.isChecked() 1692 ? View.VISIBLE : View.GONE); 1693 if (updateNeedsSaving) { 1694 setMessageChanged(true); 1695 } 1696 } 1697 1698 private void onDeleteAttachmentIconClicked(View delButtonView) { 1699 View attachmentView = (View) delButtonView.getTag(); 1700 Attachment attachment = (Attachment) attachmentView.getTag(); 1701 deleteAttachment(mAttachments, attachment); 1702 updateAttachmentUi(); 1703 setMessageChanged(true); 1704 } 1705 1706 /** 1707 * Removes an attachment from the current message. 1708 * If the attachment has previous been saved in the db (i.e. this is a draft message which 1709 * has previously been saved), then the draft is deleted from the db. 1710 * 1711 * This does not update the UI to remove the attachment view. 1712 * @param attachments the list of attachments to delete from. Injected for tests. 1713 * @param attachment the attachment to delete 1714 */ 1715 private void deleteAttachment(List<Attachment> attachments, Attachment attachment) { 1716 attachments.remove(attachment); 1717 if ((attachment.mMessageKey == mDraft.mId) && attachment.isSaved()) { 1718 final long attachmentId = attachment.mId; 1719 EmailAsyncTask.runAsyncParallel(new Runnable() { 1720 @Override 1721 public void run() { 1722 mController.deleteAttachment(attachmentId); 1723 } 1724 }); 1725 } 1726 } 1727 1728 @Override 1729 public boolean onOptionsItemSelected(MenuItem item) { 1730 if (handleCommand(item.getItemId())) { 1731 return true; 1732 } 1733 return super.onOptionsItemSelected(item); 1734 } 1735 1736 private boolean handleCommand(int viewId) { 1737 switch (viewId) { 1738 case android.R.id.home: 1739 onBack(false /* systemKey */); 1740 return true; 1741 case R.id.send: 1742 onSend(); 1743 return true; 1744 case R.id.save: 1745 onSave(); 1746 return true; 1747 case R.id.show_quick_text_list_dialog: 1748 showQuickResponseDialog(); 1749 return true; 1750 case R.id.discard: 1751 onDiscard(); 1752 return true; 1753 case R.id.include_quoted_text: 1754 // The checkbox is already toggled at this point. 1755 setIncludeQuotedText(mIncludeQuotedTextCheckBox.isChecked(), true); 1756 return true; 1757 case R.id.add_cc_bcc: 1758 showCcBccFields(); 1759 return true; 1760 case R.id.add_attachment: 1761 onAddAttachment(); 1762 return true; 1763 case R.id.settings: 1764 AccountSettings.actionSettings(this, mAccount.mId); 1765 return true; 1766 } 1767 return false; 1768 } 1769 1770 /** 1771 * Handle a tap to the system back key, or the "app up" button in the action bar. 1772 * @param systemKey whether or not the system key was pressed 1773 */ 1774 private void onBack(boolean systemKey) { 1775 finish(); 1776 if (isOpenedFromWithinApp()) { 1777 // If opened from within the app, we just close it. 1778 return; 1779 } 1780 1781 if (isOpenedFromWidget() || !systemKey) { 1782 // Otherwise, need to open the main screen for the appropriate account. 1783 // Note that mAccount should always be set by the time the action bar is set up. 1784 startActivity(Welcome.createOpenAccountInboxIntent(this, mAccount.mId)); 1785 } 1786 } 1787 1788 private void setAction(String action) { 1789 if (Objects.equal(action, mAction)) { 1790 return; 1791 } 1792 1793 mAction = action; 1794 onActionChanged(); 1795 } 1796 1797 /** 1798 * Handles changing from reply/reply all/forward states. Note: this activity cannot transition 1799 * from a standard compose state to any of the other three states. 1800 */ 1801 private void onActionChanged() { 1802 if (!hasSourceMessage()) { 1803 return; 1804 } 1805 // Temporarily remove listeners so that changing action does not invalidate and save message 1806 removeListeners(); 1807 1808 processSourceMessage(mSource, mAccount); 1809 1810 // Note that the attachments might not be loaded yet, but this will safely noop 1811 // if that's the case, and the attachments will be processed when they load. 1812 if (processSourceMessageAttachments(mAttachments, mSourceAttachments, isForward())) { 1813 updateAttachmentUi(); 1814 setMessageChanged(true); 1815 } 1816 1817 updateActionSelector(); 1818 addListeners(); 1819 } 1820 1821 /** 1822 * Updates UI components that allows the user to switch between reply/reply all/forward. 1823 */ 1824 private void updateActionSelector() { 1825 ActionBar actionBar = getActionBar(); 1826 if (shouldUseActionTabs()) { 1827 // Tab-based mode switching. 1828 if (actionBar.getTabCount() > 0) { 1829 selectActionTab(mAction); 1830 } else { 1831 createAndAddTab(R.string.reply_action, ACTION_REPLY); 1832 createAndAddTab(R.string.reply_all_action, ACTION_REPLY_ALL); 1833 createAndAddTab(R.string.forward_action, ACTION_FORWARD); 1834 } 1835 1836 actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); 1837 } else { 1838 // Spinner based mode switching. 1839 if (mActionSpinnerAdapter == null) { 1840 mActionSpinnerAdapter = new ActionSpinnerAdapter(this); 1841 actionBar.setListNavigationCallbacks( 1842 mActionSpinnerAdapter, ACTION_SPINNER_LISTENER); 1843 } 1844 actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST); 1845 actionBar.setSelectedNavigationItem( 1846 ActionSpinnerAdapter.getActionPosition(mAction)); 1847 } 1848 actionBar.setDisplayShowTitleEnabled(false); 1849 } 1850 1851 private final TabListener ACTION_TAB_LISTENER = new TabListener() { 1852 @Override public void onTabReselected(Tab tab, FragmentTransaction ft) {} 1853 @Override public void onTabUnselected(Tab tab, FragmentTransaction ft) {} 1854 1855 @Override 1856 public void onTabSelected(Tab tab, FragmentTransaction ft) { 1857 String action = (String) tab.getTag(); 1858 setAction(action); 1859 } 1860 }; 1861 1862 private final OnNavigationListener ACTION_SPINNER_LISTENER = new OnNavigationListener() { 1863 @Override 1864 public boolean onNavigationItemSelected(int itemPosition, long itemId) { 1865 setAction(ActionSpinnerAdapter.getAction(itemPosition)); 1866 return true; 1867 } 1868 }; 1869 1870 private static class ActionSpinnerAdapter extends ArrayAdapter<String> { 1871 public ActionSpinnerAdapter(final Context context) { 1872 super(context, 1873 android.R.layout.simple_spinner_dropdown_item, 1874 android.R.id.text1, 1875 Lists.newArrayList(ACTION_REPLY, ACTION_REPLY_ALL, ACTION_FORWARD)); 1876 } 1877 1878 @Override 1879 public View getDropDownView(int position, View convertView, ViewGroup parent) { 1880 View result = super.getDropDownView(position, convertView, parent); 1881 ((TextView) result.findViewById(android.R.id.text1)).setText(getDisplayValue(position)); 1882 return result; 1883 } 1884 1885 @Override 1886 public View getView(int position, View convertView, ViewGroup parent) { 1887 View result = super.getView(position, convertView, parent); 1888 ((TextView) result.findViewById(android.R.id.text1)).setText(getDisplayValue(position)); 1889 return result; 1890 } 1891 1892 private String getDisplayValue(int position) { 1893 switch (position) { 1894 case 0: 1895 return getContext().getString(R.string.reply_action); 1896 case 1: 1897 return getContext().getString(R.string.reply_all_action); 1898 case 2: 1899 return getContext().getString(R.string.forward_action); 1900 default: 1901 throw new IllegalArgumentException("Invalid action type for spinner"); 1902 } 1903 } 1904 1905 public static String getAction(int position) { 1906 switch (position) { 1907 case 0: 1908 return ACTION_REPLY; 1909 case 1: 1910 return ACTION_REPLY_ALL; 1911 case 2: 1912 return ACTION_FORWARD; 1913 default: 1914 throw new IllegalArgumentException("Invalid action type for spinner"); 1915 } 1916 } 1917 1918 public static int getActionPosition(String action) { 1919 if (ACTION_REPLY.equals(action)) { 1920 return 0; 1921 } else if (ACTION_REPLY_ALL.equals(action)) { 1922 return 1; 1923 } else if (ACTION_FORWARD.equals(action)) { 1924 return 2; 1925 } 1926 throw new IllegalArgumentException("Invalid action type for spinner"); 1927 } 1928 1929 } 1930 1931 private Tab createAndAddTab(int labelResource, final String action) { 1932 ActionBar.Tab tab = getActionBar().newTab(); 1933 boolean selected = mAction.equals(action); 1934 tab.setTag(action); 1935 tab.setText(getString(labelResource)); 1936 tab.setTabListener(ACTION_TAB_LISTENER); 1937 getActionBar().addTab(tab, selected); 1938 return tab; 1939 } 1940 1941 private void selectActionTab(final String action) { 1942 final ActionBar actionBar = getActionBar(); 1943 for (int i = 0, n = actionBar.getTabCount(); i < n; i++) { 1944 ActionBar.Tab tab = actionBar.getTabAt(i); 1945 if (action.equals(tab.getTag())) { 1946 actionBar.selectTab(tab); 1947 return; 1948 } 1949 } 1950 } 1951 1952 private boolean shouldUseActionTabs() { 1953 return getResources().getBoolean(R.bool.message_compose_action_tabs); 1954 } 1955 1956 @Override 1957 public boolean onCreateOptionsMenu(Menu menu) { 1958 super.onCreateOptionsMenu(menu); 1959 getMenuInflater().inflate(R.menu.message_compose_option, menu); 1960 return true; 1961 } 1962 1963 @Override 1964 public boolean onPrepareOptionsMenu(Menu menu) { 1965 menu.findItem(R.id.save).setEnabled(mDraftNeedsSaving); 1966 MenuItem addCcBcc = menu.findItem(R.id.add_cc_bcc); 1967 if (addCcBcc != null) { 1968 // Only available on phones. 1969 addCcBcc.setVisible( 1970 (mCcBccContainer == null) || (mCcBccContainer.getVisibility() != View.VISIBLE)); 1971 } 1972 MenuItem insertQuickResponse = menu.findItem(R.id.show_quick_text_list_dialog); 1973 insertQuickResponse.setVisible(mQuickResponsesAvailable); 1974 insertQuickResponse.setEnabled(mQuickResponsesAvailable); 1975 return true; 1976 } 1977 1978 /** 1979 * Set a message body and a signature when the Activity is launched. 1980 * 1981 * @param text the message body 1982 */ 1983 @VisibleForTesting 1984 void setInitialComposeText(CharSequence text, String signature) { 1985 mMessageContentView.setText(""); 1986 int textLength = 0; 1987 if (text != null) { 1988 mMessageContentView.append(text); 1989 textLength = text.length(); 1990 } 1991 if (!TextUtils.isEmpty(signature)) { 1992 if (textLength == 0 || text.charAt(textLength - 1) != '\n') { 1993 mMessageContentView.append("\n"); 1994 } 1995 mMessageContentView.append(signature); 1996 1997 // Reset cursor to right before the signature. 1998 mMessageContentView.setSelection(textLength); 1999 } 2000 } 2001 2002 /** 2003 * Fill all the widgets with the content found in the Intent Extra, if any. 2004 * 2005 * Note that we don't actually check the intent action (typically VIEW, SENDTO, or SEND). 2006 * There is enough overlap in the definitions that it makes more sense to simply check for 2007 * all available data and use as much of it as possible. 2008 * 2009 * With one exception: EXTRA_STREAM is defined as only valid for ACTION_SEND. 2010 * 2011 * @param intent the launch intent 2012 */ 2013 @VisibleForTesting 2014 void initFromIntent(Intent intent) { 2015 2016 setAccount(intent); 2017 2018 // First, add values stored in top-level extras 2019 String[] extraStrings = intent.getStringArrayExtra(Intent.EXTRA_EMAIL); 2020 if (extraStrings != null) { 2021 addAddresses(mToView, extraStrings); 2022 } 2023 extraStrings = intent.getStringArrayExtra(Intent.EXTRA_CC); 2024 if (extraStrings != null) { 2025 addAddresses(mCcView, extraStrings); 2026 } 2027 extraStrings = intent.getStringArrayExtra(Intent.EXTRA_BCC); 2028 if (extraStrings != null) { 2029 addAddresses(mBccView, extraStrings); 2030 } 2031 String extraString = intent.getStringExtra(Intent.EXTRA_SUBJECT); 2032 if (extraString != null) { 2033 mSubjectView.setText(extraString); 2034 } 2035 2036 // Next, if we were invoked with a URI, try to interpret it 2037 // We'll take two courses here. If it's mailto:, there is a specific set of rules 2038 // that define various optional fields. However, for any other scheme, we'll simply 2039 // take the entire scheme-specific part and interpret it as a possible list of addresses. 2040 final Uri dataUri = intent.getData(); 2041 if (dataUri != null) { 2042 if ("mailto".equals(dataUri.getScheme())) { 2043 initializeFromMailTo(dataUri.toString()); 2044 } else { 2045 String toText = dataUri.getSchemeSpecificPart(); 2046 if (toText != null) { 2047 addAddresses(mToView, toText.split(",")); 2048 } 2049 } 2050 } 2051 2052 // Next, fill in the plaintext (note, this will override mailto:?body=) 2053 CharSequence text = intent.getCharSequenceExtra(Intent.EXTRA_TEXT); 2054 setInitialComposeText(text, getAccountSignature(mAccount)); 2055 2056 // Next, convert EXTRA_STREAM into an attachment 2057 if (Intent.ACTION_SEND.equals(mAction) && intent.hasExtra(Intent.EXTRA_STREAM)) { 2058 Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM); 2059 if (uri != null) { 2060 addAttachmentFromSendIntent(uri); 2061 } 2062 } 2063 2064 if (Intent.ACTION_SEND_MULTIPLE.equals(mAction) 2065 && intent.hasExtra(Intent.EXTRA_STREAM)) { 2066 ArrayList<Parcelable> list = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM); 2067 if (list != null) { 2068 for (Parcelable parcelable : list) { 2069 Uri uri = (Uri) parcelable; 2070 if (uri != null) { 2071 addAttachmentFromSendIntent(uri); 2072 } 2073 } 2074 } 2075 } 2076 2077 // Finally - expose fields that were filled in but are normally hidden, and set focus 2078 showCcBccFieldsIfFilled(); 2079 setNewMessageFocus(); 2080 } 2081 2082 /** 2083 * When we are launched with an intent that includes a mailto: URI, we can actually 2084 * gather quite a few of our message fields from it. 2085 * 2086 * @param mailToString the href (which must start with "mailto:"). 2087 */ 2088 private void initializeFromMailTo(String mailToString) { 2089 2090 // Chop up everything between mailto: and ? to find recipients 2091 int index = mailToString.indexOf("?"); 2092 int length = "mailto".length() + 1; 2093 String to; 2094 try { 2095 // Extract the recipient after mailto: 2096 if (index == -1) { 2097 to = decode(mailToString.substring(length)); 2098 } else { 2099 to = decode(mailToString.substring(length, index)); 2100 } 2101 addAddresses(mToView, to.split(" ,")); 2102 } catch (UnsupportedEncodingException e) { 2103 Log.e(Logging.LOG_TAG, e.getMessage() + " while decoding '" + mailToString + "'"); 2104 } 2105 2106 // Extract the other parameters 2107 2108 // We need to disguise this string as a URI in order to parse it 2109 Uri uri = Uri.parse("foo://" + mailToString); 2110 2111 List<String> cc = uri.getQueryParameters("cc"); 2112 addAddresses(mCcView, cc.toArray(new String[cc.size()])); 2113 2114 List<String> otherTo = uri.getQueryParameters("to"); 2115 addAddresses(mCcView, otherTo.toArray(new String[otherTo.size()])); 2116 2117 List<String> bcc = uri.getQueryParameters("bcc"); 2118 addAddresses(mBccView, bcc.toArray(new String[bcc.size()])); 2119 2120 List<String> subject = uri.getQueryParameters("subject"); 2121 if (subject.size() > 0) { 2122 mSubjectView.setText(subject.get(0)); 2123 } 2124 2125 List<String> body = uri.getQueryParameters("body"); 2126 if (body.size() > 0) { 2127 setInitialComposeText(body.get(0), getAccountSignature(mAccount)); 2128 } 2129 } 2130 2131 private String decode(String s) throws UnsupportedEncodingException { 2132 return URLDecoder.decode(s, "UTF-8"); 2133 } 2134 2135 /** 2136 * Displays quoted text from the original email 2137 */ 2138 private void displayQuotedText(String textBody, String htmlBody) { 2139 // Only use plain text if there is no HTML body 2140 boolean plainTextFlag = TextUtils.isEmpty(htmlBody); 2141 String text = plainTextFlag ? textBody : htmlBody; 2142 if (text != null) { 2143 text = plainTextFlag ? EmailHtmlUtil.escapeCharacterToDisplay(text) : text; 2144 // TODO: re-enable EmailHtmlUtil.resolveInlineImage() for HTML 2145 // EmailHtmlUtil.resolveInlineImage(getContentResolver(), mAccount, 2146 // text, message, 0); 2147 mQuotedTextArea.setVisibility(View.VISIBLE); 2148 if (mQuotedText != null) { 2149 mQuotedText.loadDataWithBaseURL("email://", text, "text/html", "utf-8", null); 2150 } 2151 } 2152 } 2153 2154 /** 2155 * Given a packed address String, the address of our sending account, a view, and a list of 2156 * addressees already added to other addressing views, adds unique addressees that don't 2157 * match our address to the passed in view 2158 */ 2159 private static boolean safeAddAddresses(String addrs, String ourAddress, 2160 MultiAutoCompleteTextView view, ArrayList<Address> addrList) { 2161 boolean added = false; 2162 for (Address address : Address.unpack(addrs)) { 2163 // Don't send to ourselves or already-included addresses 2164 if (!address.getAddress().equalsIgnoreCase(ourAddress) && !addrList.contains(address)) { 2165 addrList.add(address); 2166 addAddress(view, address.toString()); 2167 added = true; 2168 } 2169 } 2170 return added; 2171 } 2172 2173 /** 2174 * Set up the to and cc views properly for the "reply" and "replyAll" cases. What's important 2175 * is that we not 1) send to ourselves, and 2) duplicate addressees. 2176 * @param message the message we're replying to 2177 * @param account the account we're sending from 2178 * @param replyAll whether this is a replyAll (vs a reply) 2179 */ 2180 @VisibleForTesting 2181 void setupAddressViews(Message message, Account account, boolean replyAll) { 2182 // Start clean. 2183 clearAddressViews(); 2184 2185 // If Reply-to: addresses are included, use those; otherwise, use the From: address. 2186 Address[] replyToAddresses = Address.unpack(message.mReplyTo); 2187 if (replyToAddresses.length == 0) { 2188 replyToAddresses = Address.unpack(message.mFrom); 2189 } 2190 2191 // Check if ourAddress is one of the replyToAddresses to decide how to populate To: field 2192 String ourAddress = account.mEmailAddress; 2193 boolean containsOurAddress = false; 2194 for (Address address : replyToAddresses) { 2195 if (ourAddress.equalsIgnoreCase(address.getAddress())) { 2196 containsOurAddress = true; 2197 break; 2198 } 2199 } 2200 2201 if (containsOurAddress) { 2202 addAddresses(mToView, message.mTo); 2203 } else { 2204 addAddresses(mToView, replyToAddresses); 2205 } 2206 2207 if (replyAll) { 2208 // Keep a running list of addresses we're sending to 2209 ArrayList<Address> allAddresses = new ArrayList<Address>(); 2210 for (Address address: replyToAddresses) { 2211 allAddresses.add(address); 2212 } 2213 2214 if (!containsOurAddress) { 2215 safeAddAddresses(message.mTo, ourAddress, mCcView, allAddresses); 2216 } 2217 2218 safeAddAddresses(message.mCc, ourAddress, mCcView, allAddresses); 2219 } 2220 showCcBccFieldsIfFilled(); 2221 } 2222 2223 private void clearAddressViews() { 2224 mToView.setText(""); 2225 mCcView.setText(""); 2226 mBccView.setText(""); 2227 } 2228 2229 /** 2230 * Pull out the parts of the now loaded source message and apply them to the new message 2231 * depending on the type of message being composed. 2232 */ 2233 @VisibleForTesting 2234 void processSourceMessage(Message message, Account account) { 2235 String subject = message.mSubject; 2236 if (subject == null) { 2237 subject = ""; 2238 } 2239 if (ACTION_REPLY.equals(mAction) || ACTION_REPLY_ALL.equals(mAction)) { 2240 setupAddressViews(message, account, ACTION_REPLY_ALL.equals(mAction)); 2241 if (!subject.toLowerCase().startsWith("re:")) { 2242 mSubjectView.setText("Re: " + subject); 2243 } else { 2244 mSubjectView.setText(subject); 2245 } 2246 displayQuotedText(message.mText, message.mHtml); 2247 setIncludeQuotedText(true, false); 2248 } else if (ACTION_FORWARD.equals(mAction)) { 2249 clearAddressViews(); 2250 mSubjectView.setText(!subject.toLowerCase().startsWith("fwd:") 2251 ? "Fwd: " + subject : subject); 2252 displayQuotedText(message.mText, message.mHtml); 2253 setIncludeQuotedText(true, false); 2254 } else { 2255 Log.w(Logging.LOG_TAG, "Unexpected action for a call to processSourceMessage " 2256 + mAction); 2257 } 2258 showCcBccFieldsIfFilled(); 2259 setNewMessageFocus(); 2260 } 2261 2262 /** 2263 * Processes the source attachments and ensures they're either included or excluded from 2264 * a list of active attachments. This can be used to add attachments for a forwarded message, or 2265 * to remove them if going from a "Forward" to a "Reply" 2266 * Uniqueness is based on filename. 2267 * 2268 * @param current the list of active attachments on the current message. Injected for tests. 2269 * @param sourceAttachments the list of attachments related with the source message. Injected 2270 * for tests. 2271 * @param include whether or not the sourceMessages should be included or excluded from the 2272 * current list of active attachments 2273 * @return whether or not the current attachments were modified 2274 */ 2275 @VisibleForTesting 2276 boolean processSourceMessageAttachments( 2277 List<Attachment> current, List<Attachment> sourceAttachments, boolean include) { 2278 2279 // Build a map of filename to the active attachments. 2280 HashMap<String, Attachment> currentNames = new HashMap<String, Attachment>(); 2281 for (Attachment attachment : current) { 2282 currentNames.put(attachment.mFileName, attachment); 2283 } 2284 2285 boolean dirty = false; 2286 if (include) { 2287 // Needs to make sure it's in the list. 2288 for (Attachment attachment : sourceAttachments) { 2289 if (!currentNames.containsKey(attachment.mFileName)) { 2290 current.add(attachment); 2291 dirty = true; 2292 } 2293 } 2294 } else { 2295 // Need to remove the source attachments. 2296 HashSet<String> sourceNames = new HashSet<String>(); 2297 for (Attachment attachment : sourceAttachments) { 2298 if (currentNames.containsKey(attachment.mFileName)) { 2299 deleteAttachment(current, currentNames.get(attachment.mFileName)); 2300 dirty = true; 2301 } 2302 } 2303 } 2304 2305 return dirty; 2306 } 2307 2308 /** 2309 * Set a cursor to the end of a body except a signature. 2310 */ 2311 @VisibleForTesting 2312 void setMessageContentSelection(String signature) { 2313 int selection = mMessageContentView.length(); 2314 if (!TextUtils.isEmpty(signature)) { 2315 int signatureLength = signature.length(); 2316 int estimatedSelection = selection - signatureLength; 2317 if (estimatedSelection >= 0) { 2318 CharSequence text = mMessageContentView.getText(); 2319 int i = 0; 2320 while (i < signatureLength 2321 && text.charAt(estimatedSelection + i) == signature.charAt(i)) { 2322 ++i; 2323 } 2324 if (i == signatureLength) { 2325 selection = estimatedSelection; 2326 while (selection > 0 && text.charAt(selection - 1) == '\n') { 2327 --selection; 2328 } 2329 } 2330 } 2331 } 2332 mMessageContentView.setSelection(selection, selection); 2333 } 2334 2335 /** 2336 * In order to accelerate typing, position the cursor in the first empty field, 2337 * or at the end of the body composition field if none are empty. Typically, this will 2338 * play out as follows: 2339 * Reply / Reply All - put cursor in the empty message body 2340 * Forward - put cursor in the empty To field 2341 * Edit Draft - put cursor in whatever field still needs entry 2342 */ 2343 private void setNewMessageFocus() { 2344 if (mToView.length() == 0) { 2345 mToView.requestFocus(); 2346 } else if (mSubjectView.length() == 0) { 2347 mSubjectView.requestFocus(); 2348 } else { 2349 mMessageContentView.requestFocus(); 2350 } 2351 } 2352 2353 private boolean isForward() { 2354 return ACTION_FORWARD.equals(mAction); 2355 } 2356 2357 /** 2358 * @return the signature for the specified account, if non-null. If the account specified is 2359 * null or has no signature, {@code null} is returned. 2360 */ 2361 private static String getAccountSignature(Account account) { 2362 return (account == null) ? null : account.mSignature; 2363 } 2364 } 2365