MessageCompose.java revision d658fb6cac242e793df7e8269d9e96518392cb5e
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.email.activity; 18 19import android.app.ActionBar; 20import android.app.ActionBar.OnNavigationListener; 21import android.app.ActionBar.Tab; 22import android.app.ActionBar.TabListener; 23import android.app.Activity; 24import android.app.ActivityManager; 25import android.app.FragmentTransaction; 26import android.content.ActivityNotFoundException; 27import android.content.ContentResolver; 28import android.content.ContentUris; 29import android.content.ContentValues; 30import android.content.Context; 31import android.content.Intent; 32import android.database.Cursor; 33import android.net.Uri; 34import android.os.Bundle; 35import android.os.Parcelable; 36import android.provider.OpenableColumns; 37import android.text.InputFilter; 38import android.text.SpannableStringBuilder; 39import android.text.Spanned; 40import android.text.TextUtils; 41import android.text.TextWatcher; 42import android.text.util.Rfc822Tokenizer; 43import android.util.Log; 44import android.view.Menu; 45import android.view.MenuItem; 46import android.view.View; 47import android.view.View.OnClickListener; 48import android.view.View.OnFocusChangeListener; 49import android.view.ViewGroup; 50import android.webkit.WebView; 51import android.widget.ArrayAdapter; 52import android.widget.CheckBox; 53import android.widget.EditText; 54import android.widget.ImageView; 55import android.widget.MultiAutoCompleteTextView; 56import android.widget.TextView; 57import android.widget.Toast; 58 59import com.android.common.contacts.DataUsageStatUpdater; 60import com.android.email.Controller; 61import com.android.email.Email; 62import com.android.email.EmailAddressAdapter; 63import com.android.email.EmailAddressValidator; 64import com.android.email.R; 65import com.android.email.RecipientAdapter; 66import com.android.email.activity.setup.AccountSettings; 67import com.android.email.mail.internet.EmailHtmlUtil; 68import com.android.emailcommon.Logging; 69import com.android.emailcommon.internet.MimeUtility; 70import com.android.emailcommon.mail.Address; 71import com.android.emailcommon.provider.Account; 72import com.android.emailcommon.provider.EmailContent; 73import com.android.emailcommon.provider.EmailContent.Attachment; 74import com.android.emailcommon.provider.EmailContent.Body; 75import com.android.emailcommon.provider.EmailContent.BodyColumns; 76import com.android.emailcommon.provider.EmailContent.Message; 77import com.android.emailcommon.provider.EmailContent.MessageColumns; 78import com.android.emailcommon.provider.EmailContent.QuickResponseColumns; 79import com.android.emailcommon.provider.Mailbox; 80import com.android.emailcommon.provider.QuickResponse; 81import com.android.emailcommon.utility.AttachmentUtilities; 82import com.android.emailcommon.utility.EmailAsyncTask; 83import com.android.emailcommon.utility.Utility; 84import com.android.ex.chips.AccountSpecifier; 85import com.android.ex.chips.ChipsUtil; 86import com.android.ex.chips.RecipientEditTextView; 87import com.google.common.annotations.VisibleForTesting; 88import com.google.common.base.Objects; 89import com.google.common.collect.Lists; 90 91import java.io.File; 92import java.io.UnsupportedEncodingException; 93import java.net.URLDecoder; 94import java.util.ArrayList; 95import java.util.HashMap; 96import java.util.HashSet; 97import java.util.List; 98import java.util.concurrent.ConcurrentHashMap; 99import 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 */ 109public 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.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); 1541 i.setType(AttachmentUtilities.ACCEPTABLE_ATTACHMENT_SEND_UI_TYPES[0]); 1542 mPickingAttachment = true; 1543 startActivityForResult( 1544 Intent.createChooser(i, getString(R.string.choose_attachment_dialog_title)), 1545 ACTIVITY_REQUEST_PICK_ATTACHMENT); 1546 } 1547 1548 private Attachment loadAttachmentInfo(Uri uri) { 1549 long size = -1; 1550 ContentResolver contentResolver = getContentResolver(); 1551 1552 // Load name & size independently, because not all providers support both 1553 final String name = Utility.getContentFileName(this, uri); 1554 1555 Cursor metadataCursor = contentResolver.query(uri, ATTACHMENT_META_SIZE_PROJECTION, 1556 null, null, null); 1557 if (metadataCursor != null) { 1558 try { 1559 if (metadataCursor.moveToFirst()) { 1560 size = metadataCursor.getLong(ATTACHMENT_META_SIZE_COLUMN_SIZE); 1561 } 1562 } finally { 1563 metadataCursor.close(); 1564 } 1565 } 1566 1567 // When the size is not provided, we need to determine it locally. 1568 if (size < 0) { 1569 // if the URI is a file: URI, ask file system for its size 1570 if ("file".equalsIgnoreCase(uri.getScheme())) { 1571 String path = uri.getPath(); 1572 if (path != null) { 1573 File file = new File(path); 1574 size = file.length(); // Returns 0 for file not found 1575 } 1576 } 1577 1578 if (size <= 0) { 1579 // The size was not measurable; This attachment is not safe to use. 1580 // Quick hack to force a relevant error into the UI 1581 // TODO: A proper announcement of the problem 1582 size = AttachmentUtilities.MAX_ATTACHMENT_UPLOAD_SIZE + 1; 1583 } 1584 } 1585 1586 Attachment attachment = new Attachment(); 1587 attachment.mFileName = name; 1588 attachment.mContentUri = uri.toString(); 1589 attachment.mSize = size; 1590 attachment.mMimeType = AttachmentUtilities.inferMimeTypeForUri(this, uri); 1591 return attachment; 1592 } 1593 1594 private void addAttachment(Attachment attachment) { 1595 // Before attaching the attachment, make sure it meets any other pre-attach criteria 1596 if (attachment.mSize > AttachmentUtilities.MAX_ATTACHMENT_UPLOAD_SIZE) { 1597 Toast.makeText(this, R.string.message_compose_attachment_size, Toast.LENGTH_LONG) 1598 .show(); 1599 return; 1600 } 1601 1602 mAttachments.add(attachment); 1603 updateAttachmentUi(); 1604 } 1605 1606 private void updateAttachmentUi() { 1607 mAttachmentContentView.removeAllViews(); 1608 1609 for (Attachment attachment : mAttachments) { 1610 // Note: allowDelete is set in two cases: 1611 // 1. First time a message (w/ attachments) is forwarded, 1612 // where action == ACTION_FORWARD 1613 // 2. 1 -> Save -> Reopen 1614 // but FLAG_SMART_FORWARD is already set at 1. 1615 // Even if the account supports smart-forward, attachments added 1616 // manually are still removable. 1617 final boolean allowDelete = (attachment.mFlags & Attachment.FLAG_SMART_FORWARD) == 0; 1618 1619 View view = getLayoutInflater().inflate(R.layout.attachment, mAttachmentContentView, 1620 false); 1621 TextView nameView = UiUtilities.getView(view, R.id.attachment_name); 1622 ImageView delete = UiUtilities.getView(view, R.id.remove_attachment); 1623 TextView sizeView = UiUtilities.getView(view, R.id.attachment_size); 1624 1625 nameView.setText(attachment.mFileName); 1626 if (attachment.mSize > 0) { 1627 sizeView.setText(UiUtilities.formatSize(this, attachment.mSize)); 1628 } else { 1629 sizeView.setVisibility(View.GONE); 1630 } 1631 if (allowDelete) { 1632 delete.setOnClickListener(this); 1633 delete.setTag(view); 1634 } else { 1635 delete.setVisibility(View.INVISIBLE); 1636 } 1637 view.setTag(attachment); 1638 mAttachmentContentView.addView(view); 1639 } 1640 updateAttachmentContainer(); 1641 } 1642 1643 private void updateAttachmentContainer() { 1644 mAttachmentContainer.setVisibility(mAttachmentContentView.getChildCount() == 0 1645 ? View.GONE : View.VISIBLE); 1646 } 1647 1648 private void addAttachmentFromUri(Uri uri) { 1649 addAttachment(loadAttachmentInfo(uri)); 1650 } 1651 1652 /** 1653 * Same as {@link #addAttachmentFromUri}, but does the mime-type check against 1654 * {@link AttachmentUtilities#ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES}. 1655 */ 1656 private void addAttachmentFromSendIntent(Uri uri) { 1657 final Attachment attachment = loadAttachmentInfo(uri); 1658 final String mimeType = attachment.mMimeType; 1659 if (!TextUtils.isEmpty(mimeType) && MimeUtility.mimeTypeMatches(mimeType, 1660 AttachmentUtilities.ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES)) { 1661 addAttachment(attachment); 1662 } 1663 } 1664 1665 @Override 1666 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 1667 mPickingAttachment = false; 1668 if (data == null) { 1669 return; 1670 } 1671 addAttachmentFromUri(data.getData()); 1672 setMessageChanged(true); 1673 } 1674 1675 private boolean includeQuotedText() { 1676 return mIncludeQuotedTextCheckBox.isChecked(); 1677 } 1678 1679 public void onClick(View view) { 1680 if (handleCommand(view.getId())) { 1681 return; 1682 } 1683 switch (view.getId()) { 1684 case R.id.remove_attachment: 1685 onDeleteAttachmentIconClicked(view); 1686 break; 1687 } 1688 } 1689 1690 private void setIncludeQuotedText(boolean include, boolean updateNeedsSaving) { 1691 mIncludeQuotedTextCheckBox.setChecked(include); 1692 mQuotedText.setVisibility(mIncludeQuotedTextCheckBox.isChecked() 1693 ? View.VISIBLE : View.GONE); 1694 if (updateNeedsSaving) { 1695 setMessageChanged(true); 1696 } 1697 } 1698 1699 private void onDeleteAttachmentIconClicked(View delButtonView) { 1700 View attachmentView = (View) delButtonView.getTag(); 1701 Attachment attachment = (Attachment) attachmentView.getTag(); 1702 deleteAttachment(mAttachments, attachment); 1703 updateAttachmentUi(); 1704 setMessageChanged(true); 1705 } 1706 1707 /** 1708 * Removes an attachment from the current message. 1709 * If the attachment has previous been saved in the db (i.e. this is a draft message which 1710 * has previously been saved), then the draft is deleted from the db. 1711 * 1712 * This does not update the UI to remove the attachment view. 1713 * @param attachments the list of attachments to delete from. Injected for tests. 1714 * @param attachment the attachment to delete 1715 */ 1716 private void deleteAttachment(List<Attachment> attachments, Attachment attachment) { 1717 attachments.remove(attachment); 1718 if ((attachment.mMessageKey == mDraft.mId) && attachment.isSaved()) { 1719 final long attachmentId = attachment.mId; 1720 EmailAsyncTask.runAsyncParallel(new Runnable() { 1721 @Override 1722 public void run() { 1723 mController.deleteAttachment(attachmentId); 1724 } 1725 }); 1726 } 1727 } 1728 1729 @Override 1730 public boolean onOptionsItemSelected(MenuItem item) { 1731 if (handleCommand(item.getItemId())) { 1732 return true; 1733 } 1734 return super.onOptionsItemSelected(item); 1735 } 1736 1737 private boolean handleCommand(int viewId) { 1738 switch (viewId) { 1739 case android.R.id.home: 1740 onBack(false /* systemKey */); 1741 return true; 1742 case R.id.send: 1743 onSend(); 1744 return true; 1745 case R.id.save: 1746 onSave(); 1747 return true; 1748 case R.id.show_quick_text_list_dialog: 1749 showQuickResponseDialog(); 1750 return true; 1751 case R.id.discard: 1752 onDiscard(); 1753 return true; 1754 case R.id.include_quoted_text: 1755 // The checkbox is already toggled at this point. 1756 setIncludeQuotedText(mIncludeQuotedTextCheckBox.isChecked(), true); 1757 return true; 1758 case R.id.add_cc_bcc: 1759 showCcBccFields(); 1760 return true; 1761 case R.id.add_attachment: 1762 onAddAttachment(); 1763 return true; 1764 case R.id.settings: 1765 AccountSettings.actionSettings(this, mAccount.mId); 1766 return true; 1767 } 1768 return false; 1769 } 1770 1771 /** 1772 * Handle a tap to the system back key, or the "app up" button in the action bar. 1773 * @param systemKey whether or not the system key was pressed 1774 */ 1775 private void onBack(boolean systemKey) { 1776 finish(); 1777 if (isOpenedFromWithinApp()) { 1778 // If opened from within the app, we just close it. 1779 return; 1780 } 1781 1782 if ((isOpenedFromWidget() || !systemKey) && (mAccount != null)) { 1783 // Otherwise, need to open the main screen for the appropriate account. 1784 // Note that mAccount should always be set by the time the action bar is set up. 1785 startActivity(Welcome.createOpenAccountInboxIntent(this, mAccount.mId)); 1786 } 1787 } 1788 1789 private void setAction(String action) { 1790 if (Objects.equal(action, mAction)) { 1791 return; 1792 } 1793 1794 mAction = action; 1795 onActionChanged(); 1796 } 1797 1798 /** 1799 * Handles changing from reply/reply all/forward states. Note: this activity cannot transition 1800 * from a standard compose state to any of the other three states. 1801 */ 1802 private void onActionChanged() { 1803 if (!hasSourceMessage()) { 1804 return; 1805 } 1806 // Temporarily remove listeners so that changing action does not invalidate and save message 1807 removeListeners(); 1808 1809 processSourceMessage(mSource, mAccount); 1810 1811 // Note that the attachments might not be loaded yet, but this will safely noop 1812 // if that's the case, and the attachments will be processed when they load. 1813 if (processSourceMessageAttachments(mAttachments, mSourceAttachments, isForward())) { 1814 updateAttachmentUi(); 1815 setMessageChanged(true); 1816 } 1817 1818 updateActionSelector(); 1819 addListeners(); 1820 } 1821 1822 /** 1823 * Updates UI components that allows the user to switch between reply/reply all/forward. 1824 */ 1825 private void updateActionSelector() { 1826 ActionBar actionBar = getActionBar(); 1827 if (shouldUseActionTabs()) { 1828 // Tab-based mode switching. 1829 if (actionBar.getTabCount() > 0) { 1830 selectActionTab(mAction); 1831 } else { 1832 createAndAddTab(R.string.reply_action, ACTION_REPLY); 1833 createAndAddTab(R.string.reply_all_action, ACTION_REPLY_ALL); 1834 createAndAddTab(R.string.forward_action, ACTION_FORWARD); 1835 } 1836 1837 actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); 1838 } else { 1839 // Spinner based mode switching. 1840 if (mActionSpinnerAdapter == null) { 1841 mActionSpinnerAdapter = new ActionSpinnerAdapter(this); 1842 actionBar.setListNavigationCallbacks( 1843 mActionSpinnerAdapter, ACTION_SPINNER_LISTENER); 1844 } 1845 actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST); 1846 actionBar.setSelectedNavigationItem( 1847 ActionSpinnerAdapter.getActionPosition(mAction)); 1848 } 1849 actionBar.setDisplayShowTitleEnabled(false); 1850 } 1851 1852 private final TabListener ACTION_TAB_LISTENER = new TabListener() { 1853 @Override public void onTabReselected(Tab tab, FragmentTransaction ft) {} 1854 @Override public void onTabUnselected(Tab tab, FragmentTransaction ft) {} 1855 1856 @Override 1857 public void onTabSelected(Tab tab, FragmentTransaction ft) { 1858 String action = (String) tab.getTag(); 1859 setAction(action); 1860 } 1861 }; 1862 1863 private final OnNavigationListener ACTION_SPINNER_LISTENER = new OnNavigationListener() { 1864 @Override 1865 public boolean onNavigationItemSelected(int itemPosition, long itemId) { 1866 setAction(ActionSpinnerAdapter.getAction(itemPosition)); 1867 return true; 1868 } 1869 }; 1870 1871 private static class ActionSpinnerAdapter extends ArrayAdapter<String> { 1872 public ActionSpinnerAdapter(final Context context) { 1873 super(context, 1874 android.R.layout.simple_spinner_dropdown_item, 1875 android.R.id.text1, 1876 Lists.newArrayList(ACTION_REPLY, ACTION_REPLY_ALL, ACTION_FORWARD)); 1877 } 1878 1879 @Override 1880 public View getDropDownView(int position, View convertView, ViewGroup parent) { 1881 View result = super.getDropDownView(position, convertView, parent); 1882 ((TextView) result.findViewById(android.R.id.text1)).setText(getDisplayValue(position)); 1883 return result; 1884 } 1885 1886 @Override 1887 public View getView(int position, View convertView, ViewGroup parent) { 1888 View result = super.getView(position, convertView, parent); 1889 ((TextView) result.findViewById(android.R.id.text1)).setText(getDisplayValue(position)); 1890 return result; 1891 } 1892 1893 private String getDisplayValue(int position) { 1894 switch (position) { 1895 case 0: 1896 return getContext().getString(R.string.reply_action); 1897 case 1: 1898 return getContext().getString(R.string.reply_all_action); 1899 case 2: 1900 return getContext().getString(R.string.forward_action); 1901 default: 1902 throw new IllegalArgumentException("Invalid action type for spinner"); 1903 } 1904 } 1905 1906 public static String getAction(int position) { 1907 switch (position) { 1908 case 0: 1909 return ACTION_REPLY; 1910 case 1: 1911 return ACTION_REPLY_ALL; 1912 case 2: 1913 return ACTION_FORWARD; 1914 default: 1915 throw new IllegalArgumentException("Invalid action type for spinner"); 1916 } 1917 } 1918 1919 public static int getActionPosition(String action) { 1920 if (ACTION_REPLY.equals(action)) { 1921 return 0; 1922 } else if (ACTION_REPLY_ALL.equals(action)) { 1923 return 1; 1924 } else if (ACTION_FORWARD.equals(action)) { 1925 return 2; 1926 } 1927 throw new IllegalArgumentException("Invalid action type for spinner"); 1928 } 1929 1930 } 1931 1932 private Tab createAndAddTab(int labelResource, final String action) { 1933 ActionBar.Tab tab = getActionBar().newTab(); 1934 boolean selected = mAction.equals(action); 1935 tab.setTag(action); 1936 tab.setText(getString(labelResource)); 1937 tab.setTabListener(ACTION_TAB_LISTENER); 1938 getActionBar().addTab(tab, selected); 1939 return tab; 1940 } 1941 1942 private void selectActionTab(final String action) { 1943 final ActionBar actionBar = getActionBar(); 1944 for (int i = 0, n = actionBar.getTabCount(); i < n; i++) { 1945 ActionBar.Tab tab = actionBar.getTabAt(i); 1946 if (action.equals(tab.getTag())) { 1947 actionBar.selectTab(tab); 1948 return; 1949 } 1950 } 1951 } 1952 1953 private boolean shouldUseActionTabs() { 1954 return getResources().getBoolean(R.bool.message_compose_action_tabs); 1955 } 1956 1957 @Override 1958 public boolean onCreateOptionsMenu(Menu menu) { 1959 super.onCreateOptionsMenu(menu); 1960 getMenuInflater().inflate(R.menu.message_compose_option, menu); 1961 return true; 1962 } 1963 1964 @Override 1965 public boolean onPrepareOptionsMenu(Menu menu) { 1966 menu.findItem(R.id.save).setEnabled(mDraftNeedsSaving); 1967 MenuItem addCcBcc = menu.findItem(R.id.add_cc_bcc); 1968 if (addCcBcc != null) { 1969 // Only available on phones. 1970 addCcBcc.setVisible( 1971 (mCcBccContainer == null) || (mCcBccContainer.getVisibility() != View.VISIBLE)); 1972 } 1973 MenuItem insertQuickResponse = menu.findItem(R.id.show_quick_text_list_dialog); 1974 insertQuickResponse.setVisible(mQuickResponsesAvailable); 1975 insertQuickResponse.setEnabled(mQuickResponsesAvailable); 1976 return true; 1977 } 1978 1979 /** 1980 * Set a message body and a signature when the Activity is launched. 1981 * 1982 * @param text the message body 1983 */ 1984 @VisibleForTesting 1985 void setInitialComposeText(CharSequence text, String signature) { 1986 mMessageContentView.setText(""); 1987 int textLength = 0; 1988 if (text != null) { 1989 mMessageContentView.append(text); 1990 textLength = text.length(); 1991 } 1992 if (!TextUtils.isEmpty(signature)) { 1993 if (textLength == 0 || text.charAt(textLength - 1) != '\n') { 1994 mMessageContentView.append("\n"); 1995 } 1996 mMessageContentView.append(signature); 1997 1998 // Reset cursor to right before the signature. 1999 mMessageContentView.setSelection(textLength); 2000 } 2001 } 2002 2003 /** 2004 * Fill all the widgets with the content found in the Intent Extra, if any. 2005 * 2006 * Note that we don't actually check the intent action (typically VIEW, SENDTO, or SEND). 2007 * There is enough overlap in the definitions that it makes more sense to simply check for 2008 * all available data and use as much of it as possible. 2009 * 2010 * With one exception: EXTRA_STREAM is defined as only valid for ACTION_SEND. 2011 * 2012 * @param intent the launch intent 2013 */ 2014 @VisibleForTesting 2015 void initFromIntent(Intent intent) { 2016 2017 setAccount(intent); 2018 2019 // First, add values stored in top-level extras 2020 String[] extraStrings = intent.getStringArrayExtra(Intent.EXTRA_EMAIL); 2021 if (extraStrings != null) { 2022 addAddresses(mToView, extraStrings); 2023 } 2024 extraStrings = intent.getStringArrayExtra(Intent.EXTRA_CC); 2025 if (extraStrings != null) { 2026 addAddresses(mCcView, extraStrings); 2027 } 2028 extraStrings = intent.getStringArrayExtra(Intent.EXTRA_BCC); 2029 if (extraStrings != null) { 2030 addAddresses(mBccView, extraStrings); 2031 } 2032 String extraString = intent.getStringExtra(Intent.EXTRA_SUBJECT); 2033 if (extraString != null) { 2034 mSubjectView.setText(extraString); 2035 } 2036 2037 // Next, if we were invoked with a URI, try to interpret it 2038 // We'll take two courses here. If it's mailto:, there is a specific set of rules 2039 // that define various optional fields. However, for any other scheme, we'll simply 2040 // take the entire scheme-specific part and interpret it as a possible list of addresses. 2041 final Uri dataUri = intent.getData(); 2042 if (dataUri != null) { 2043 if ("mailto".equals(dataUri.getScheme())) { 2044 initializeFromMailTo(dataUri.toString()); 2045 } else { 2046 String toText = dataUri.getSchemeSpecificPart(); 2047 if (toText != null) { 2048 addAddresses(mToView, toText.split(",")); 2049 } 2050 } 2051 } 2052 2053 // Next, fill in the plaintext (note, this will override mailto:?body=) 2054 CharSequence text = intent.getCharSequenceExtra(Intent.EXTRA_TEXT); 2055 setInitialComposeText(text, getAccountSignature(mAccount)); 2056 2057 // Next, convert EXTRA_STREAM into an attachment 2058 if (Intent.ACTION_SEND.equals(mAction) && intent.hasExtra(Intent.EXTRA_STREAM)) { 2059 Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM); 2060 if (uri != null) { 2061 addAttachmentFromSendIntent(uri); 2062 } 2063 } 2064 2065 if (Intent.ACTION_SEND_MULTIPLE.equals(mAction) 2066 && intent.hasExtra(Intent.EXTRA_STREAM)) { 2067 ArrayList<Parcelable> list = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM); 2068 if (list != null) { 2069 for (Parcelable parcelable : list) { 2070 Uri uri = (Uri) parcelable; 2071 if (uri != null) { 2072 addAttachmentFromSendIntent(uri); 2073 } 2074 } 2075 } 2076 } 2077 2078 // Finally - expose fields that were filled in but are normally hidden, and set focus 2079 showCcBccFieldsIfFilled(); 2080 setNewMessageFocus(); 2081 } 2082 2083 /** 2084 * When we are launched with an intent that includes a mailto: URI, we can actually 2085 * gather quite a few of our message fields from it. 2086 * 2087 * @param mailToString the href (which must start with "mailto:"). 2088 */ 2089 private void initializeFromMailTo(String mailToString) { 2090 2091 // Chop up everything between mailto: and ? to find recipients 2092 int index = mailToString.indexOf("?"); 2093 int length = "mailto".length() + 1; 2094 String to; 2095 try { 2096 // Extract the recipient after mailto: 2097 if (index == -1) { 2098 to = decode(mailToString.substring(length)); 2099 } else { 2100 to = decode(mailToString.substring(length, index)); 2101 } 2102 addAddresses(mToView, to.split(" ,")); 2103 } catch (UnsupportedEncodingException e) { 2104 Log.e(Logging.LOG_TAG, e.getMessage() + " while decoding '" + mailToString + "'"); 2105 } 2106 2107 // Extract the other parameters 2108 2109 // We need to disguise this string as a URI in order to parse it 2110 Uri uri = Uri.parse("foo://" + mailToString); 2111 2112 List<String> cc = uri.getQueryParameters("cc"); 2113 addAddresses(mCcView, cc.toArray(new String[cc.size()])); 2114 2115 List<String> otherTo = uri.getQueryParameters("to"); 2116 addAddresses(mCcView, otherTo.toArray(new String[otherTo.size()])); 2117 2118 List<String> bcc = uri.getQueryParameters("bcc"); 2119 addAddresses(mBccView, bcc.toArray(new String[bcc.size()])); 2120 2121 List<String> subject = uri.getQueryParameters("subject"); 2122 if (subject.size() > 0) { 2123 mSubjectView.setText(subject.get(0)); 2124 } 2125 2126 List<String> body = uri.getQueryParameters("body"); 2127 if (body.size() > 0) { 2128 setInitialComposeText(body.get(0), getAccountSignature(mAccount)); 2129 } 2130 } 2131 2132 private String decode(String s) throws UnsupportedEncodingException { 2133 return URLDecoder.decode(s, "UTF-8"); 2134 } 2135 2136 /** 2137 * Displays quoted text from the original email 2138 */ 2139 private void displayQuotedText(String textBody, String htmlBody) { 2140 // Only use plain text if there is no HTML body 2141 boolean plainTextFlag = TextUtils.isEmpty(htmlBody); 2142 String text = plainTextFlag ? textBody : htmlBody; 2143 if (text != null) { 2144 text = plainTextFlag ? EmailHtmlUtil.escapeCharacterToDisplay(text) : text; 2145 // TODO: re-enable EmailHtmlUtil.resolveInlineImage() for HTML 2146 // EmailHtmlUtil.resolveInlineImage(getContentResolver(), mAccount, 2147 // text, message, 0); 2148 mQuotedTextArea.setVisibility(View.VISIBLE); 2149 if (mQuotedText != null) { 2150 mQuotedText.loadDataWithBaseURL("email://", text, "text/html", "utf-8", null); 2151 } 2152 } 2153 } 2154 2155 /** 2156 * Given a packed address String, the address of our sending account, a view, and a list of 2157 * addressees already added to other addressing views, adds unique addressees that don't 2158 * match our address to the passed in view 2159 */ 2160 private static boolean safeAddAddresses(String addrs, String ourAddress, 2161 MultiAutoCompleteTextView view, ArrayList<Address> addrList) { 2162 boolean added = false; 2163 for (Address address : Address.unpack(addrs)) { 2164 // Don't send to ourselves or already-included addresses 2165 if (!address.getAddress().equalsIgnoreCase(ourAddress) && !addrList.contains(address)) { 2166 addrList.add(address); 2167 addAddress(view, address.toString()); 2168 added = true; 2169 } 2170 } 2171 return added; 2172 } 2173 2174 /** 2175 * Set up the to and cc views properly for the "reply" and "replyAll" cases. What's important 2176 * is that we not 1) send to ourselves, and 2) duplicate addressees. 2177 * @param message the message we're replying to 2178 * @param account the account we're sending from 2179 * @param replyAll whether this is a replyAll (vs a reply) 2180 */ 2181 @VisibleForTesting 2182 void setupAddressViews(Message message, Account account, boolean replyAll) { 2183 // Start clean. 2184 clearAddressViews(); 2185 2186 // If Reply-to: addresses are included, use those; otherwise, use the From: address. 2187 Address[] replyToAddresses = Address.unpack(message.mReplyTo); 2188 if (replyToAddresses.length == 0) { 2189 replyToAddresses = Address.unpack(message.mFrom); 2190 } 2191 2192 // Check if ourAddress is one of the replyToAddresses to decide how to populate To: field 2193 String ourAddress = account.mEmailAddress; 2194 boolean containsOurAddress = false; 2195 for (Address address : replyToAddresses) { 2196 if (ourAddress.equalsIgnoreCase(address.getAddress())) { 2197 containsOurAddress = true; 2198 break; 2199 } 2200 } 2201 2202 if (containsOurAddress) { 2203 addAddresses(mToView, message.mTo); 2204 } else { 2205 addAddresses(mToView, replyToAddresses); 2206 } 2207 2208 if (replyAll) { 2209 // Keep a running list of addresses we're sending to 2210 ArrayList<Address> allAddresses = new ArrayList<Address>(); 2211 for (Address address: replyToAddresses) { 2212 allAddresses.add(address); 2213 } 2214 2215 if (!containsOurAddress) { 2216 safeAddAddresses(message.mTo, ourAddress, mCcView, allAddresses); 2217 } 2218 2219 safeAddAddresses(message.mCc, ourAddress, mCcView, allAddresses); 2220 } 2221 showCcBccFieldsIfFilled(); 2222 } 2223 2224 private void clearAddressViews() { 2225 mToView.setText(""); 2226 mCcView.setText(""); 2227 mBccView.setText(""); 2228 } 2229 2230 /** 2231 * Pull out the parts of the now loaded source message and apply them to the new message 2232 * depending on the type of message being composed. 2233 */ 2234 @VisibleForTesting 2235 void processSourceMessage(Message message, Account account) { 2236 String subject = message.mSubject; 2237 if (subject == null) { 2238 subject = ""; 2239 } 2240 if (ACTION_REPLY.equals(mAction) || ACTION_REPLY_ALL.equals(mAction)) { 2241 setupAddressViews(message, account, ACTION_REPLY_ALL.equals(mAction)); 2242 if (!subject.toLowerCase().startsWith("re:")) { 2243 mSubjectView.setText("Re: " + subject); 2244 } else { 2245 mSubjectView.setText(subject); 2246 } 2247 displayQuotedText(message.mText, message.mHtml); 2248 setIncludeQuotedText(true, false); 2249 } else if (ACTION_FORWARD.equals(mAction)) { 2250 clearAddressViews(); 2251 mSubjectView.setText(!subject.toLowerCase().startsWith("fwd:") 2252 ? "Fwd: " + subject : subject); 2253 displayQuotedText(message.mText, message.mHtml); 2254 setIncludeQuotedText(true, false); 2255 } else { 2256 Log.w(Logging.LOG_TAG, "Unexpected action for a call to processSourceMessage " 2257 + mAction); 2258 } 2259 showCcBccFieldsIfFilled(); 2260 setNewMessageFocus(); 2261 } 2262 2263 /** 2264 * Processes the source attachments and ensures they're either included or excluded from 2265 * a list of active attachments. This can be used to add attachments for a forwarded message, or 2266 * to remove them if going from a "Forward" to a "Reply" 2267 * Uniqueness is based on filename. 2268 * 2269 * @param current the list of active attachments on the current message. Injected for tests. 2270 * @param sourceAttachments the list of attachments related with the source message. Injected 2271 * for tests. 2272 * @param include whether or not the sourceMessages should be included or excluded from the 2273 * current list of active attachments 2274 * @return whether or not the current attachments were modified 2275 */ 2276 @VisibleForTesting 2277 boolean processSourceMessageAttachments( 2278 List<Attachment> current, List<Attachment> sourceAttachments, boolean include) { 2279 2280 // Build a map of filename to the active attachments. 2281 HashMap<String, Attachment> currentNames = new HashMap<String, Attachment>(); 2282 for (Attachment attachment : current) { 2283 currentNames.put(attachment.mFileName, attachment); 2284 } 2285 2286 boolean dirty = false; 2287 if (include) { 2288 // Needs to make sure it's in the list. 2289 for (Attachment attachment : sourceAttachments) { 2290 if (!currentNames.containsKey(attachment.mFileName)) { 2291 current.add(attachment); 2292 dirty = true; 2293 } 2294 } 2295 } else { 2296 // Need to remove the source attachments. 2297 HashSet<String> sourceNames = new HashSet<String>(); 2298 for (Attachment attachment : sourceAttachments) { 2299 if (currentNames.containsKey(attachment.mFileName)) { 2300 deleteAttachment(current, currentNames.get(attachment.mFileName)); 2301 dirty = true; 2302 } 2303 } 2304 } 2305 2306 return dirty; 2307 } 2308 2309 /** 2310 * Set a cursor to the end of a body except a signature. 2311 */ 2312 @VisibleForTesting 2313 void setMessageContentSelection(String signature) { 2314 int selection = mMessageContentView.length(); 2315 if (!TextUtils.isEmpty(signature)) { 2316 int signatureLength = signature.length(); 2317 int estimatedSelection = selection - signatureLength; 2318 if (estimatedSelection >= 0) { 2319 CharSequence text = mMessageContentView.getText(); 2320 int i = 0; 2321 while (i < signatureLength 2322 && text.charAt(estimatedSelection + i) == signature.charAt(i)) { 2323 ++i; 2324 } 2325 if (i == signatureLength) { 2326 selection = estimatedSelection; 2327 while (selection > 0 && text.charAt(selection - 1) == '\n') { 2328 --selection; 2329 } 2330 } 2331 } 2332 } 2333 mMessageContentView.setSelection(selection, selection); 2334 } 2335 2336 /** 2337 * In order to accelerate typing, position the cursor in the first empty field, 2338 * or at the end of the body composition field if none are empty. Typically, this will 2339 * play out as follows: 2340 * Reply / Reply All - put cursor in the empty message body 2341 * Forward - put cursor in the empty To field 2342 * Edit Draft - put cursor in whatever field still needs entry 2343 */ 2344 private void setNewMessageFocus() { 2345 if (mToView.length() == 0) { 2346 mToView.requestFocus(); 2347 } else if (mSubjectView.length() == 0) { 2348 mSubjectView.requestFocus(); 2349 } else { 2350 mMessageContentView.requestFocus(); 2351 } 2352 } 2353 2354 private boolean isForward() { 2355 return ACTION_FORWARD.equals(mAction); 2356 } 2357 2358 /** 2359 * @return the signature for the specified account, if non-null. If the account specified is 2360 * null or has no signature, {@code null} is returned. 2361 */ 2362 private static String getAccountSignature(Account account) { 2363 return (account == null) ? null : account.mSignature; 2364 } 2365} 2366