MessageCompose.java revision 2903be7f3e05b3d2f7d690db5f85d3a6c80ba522
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.Tab; 21import android.app.ActionBar.TabListener; 22import android.app.Activity; 23import android.app.ActivityManager; 24import android.app.FragmentTransaction; 25import android.content.ActivityNotFoundException; 26import android.content.ContentResolver; 27import android.content.ContentUris; 28import android.content.ContentValues; 29import android.content.Context; 30import android.content.Intent; 31import android.content.pm.ActivityInfo; 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.AdapterView; 52import android.widget.AdapterView.OnItemSelectedListener; 53import android.widget.ArrayAdapter; 54import android.widget.CheckBox; 55import android.widget.EditText; 56import android.widget.ImageButton; 57import android.widget.MultiAutoCompleteTextView; 58import android.widget.Spinner; 59import android.widget.TextView; 60import android.widget.Toast; 61 62import com.android.common.contacts.DataUsageStatUpdater; 63import com.android.email.Controller; 64import com.android.email.Email; 65import com.android.email.EmailAddressAdapter; 66import com.android.email.EmailAddressValidator; 67import com.android.email.R; 68import com.android.email.RecipientAdapter; 69import com.android.email.mail.internet.EmailHtmlUtil; 70import com.android.emailcommon.Logging; 71import com.android.emailcommon.internet.MimeUtility; 72import com.android.emailcommon.mail.Address; 73import com.android.emailcommon.provider.Account; 74import com.android.emailcommon.provider.EmailContent; 75import com.android.emailcommon.provider.EmailContent.Attachment; 76import com.android.emailcommon.provider.EmailContent.Body; 77import com.android.emailcommon.provider.EmailContent.BodyColumns; 78import com.android.emailcommon.provider.EmailContent.Message; 79import com.android.emailcommon.provider.EmailContent.MessageColumns; 80import com.android.emailcommon.provider.EmailContent.QuickResponseColumns; 81import com.android.emailcommon.provider.Mailbox; 82import com.android.emailcommon.provider.QuickResponse; 83import com.android.emailcommon.utility.AttachmentUtilities; 84import com.android.emailcommon.utility.EmailAsyncTask; 85import com.android.emailcommon.utility.Utility; 86import com.android.ex.chips.AccountSpecifier; 87import com.android.ex.chips.ChipsUtil; 88import com.android.ex.chips.RecipientEditTextView; 89import com.google.common.annotations.VisibleForTesting; 90import com.google.common.base.Objects; 91import com.google.common.collect.Lists; 92 93import java.io.File; 94import java.io.UnsupportedEncodingException; 95import java.net.URLDecoder; 96import java.util.ArrayList; 97import java.util.HashMap; 98import java.util.HashSet; 99import java.util.List; 100import java.util.concurrent.ConcurrentHashMap; 101import java.util.concurrent.ExecutionException; 102 103 104/** 105 * Activity to compose a message. 106 * 107 * TODO Revive shortcuts command for removed menu options. 108 * C: add cc/bcc 109 * N: add attachment 110 */ 111public class MessageCompose extends Activity implements OnClickListener, OnFocusChangeListener, 112 DeleteMessageConfirmationDialog.Callback, InsertQuickResponseDialog.Callback { 113 114 private static final String ACTION_REPLY = "com.android.email.intent.action.REPLY"; 115 private static final String ACTION_REPLY_ALL = "com.android.email.intent.action.REPLY_ALL"; 116 private static final String ACTION_FORWARD = "com.android.email.intent.action.FORWARD"; 117 private static final String ACTION_EDIT_DRAFT = "com.android.email.intent.action.EDIT_DRAFT"; 118 119 private static final String EXTRA_ACCOUNT_ID = "account_id"; 120 private static final String EXTRA_MESSAGE_ID = "message_id"; 121 /** If the intent is sent from the email app itself, it should have this boolean extra. */ 122 private static final String EXTRA_FROM_WITHIN_APP = "from_within_app"; 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 mQuotedTextBar; 196 private CheckBox mIncludeQuotedTextCheckBox; 197 private WebView mQuotedText; 198 private Spinner mActionSpinner; 199 private ActionSpinnerAdapter mActionSpinnerAdapter; 200 201 private Controller mController; 202 private boolean mDraftNeedsSaving; 203 private boolean mMessageLoaded; 204 private boolean mInitiallyEmpty; 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 Intent i = new Intent(context, MessageCompose.class); 232 i.putExtra(EXTRA_FROM_WITHIN_APP, true); 233 return i; 234 } 235 236 /** 237 * Create an {@link Intent} that can start the message compose activity. If accountId -1, 238 * the default account will be used; otherwise, the specified account is used. 239 */ 240 public static Intent getMessageComposeIntent(Context context, long accountId) { 241 Intent i = getBaseIntent(context); 242 i.putExtra(EXTRA_ACCOUNT_ID, accountId); 243 return i; 244 } 245 246 /** 247 * Compose a new message using the given account. If account is -1 the default account 248 * will be used. 249 * @param context 250 * @param accountId 251 */ 252 public static void actionCompose(Context context, long accountId) { 253 try { 254 Intent i = getMessageComposeIntent(context, accountId); 255 context.startActivity(i); 256 } catch (ActivityNotFoundException anfe) { 257 // Swallow it - this is usually a race condition, especially under automated test. 258 // (The message composer might have been disabled) 259 Email.log(anfe.toString()); 260 } 261 } 262 263 /** 264 * Compose a new message using a uri (mailto:) and a given account. If account is -1 the 265 * default account will be used. 266 * @param context 267 * @param uriString 268 * @param accountId 269 * @return true if startActivity() succeeded 270 */ 271 public static boolean actionCompose(Context context, String uriString, long accountId) { 272 try { 273 Intent i = getMessageComposeIntent(context, accountId); 274 i.setAction(Intent.ACTION_SEND); 275 i.setData(Uri.parse(uriString)); 276 context.startActivity(i); 277 return true; 278 } catch (ActivityNotFoundException anfe) { 279 // Swallow it - this is usually a race condition, especially under automated test. 280 // (The message composer might have been disabled) 281 Email.log(anfe.toString()); 282 return false; 283 } 284 } 285 286 /** 287 * Compose a new message as a reply to the given message. If replyAll is true the function 288 * is reply all instead of simply reply. 289 * @param context 290 * @param messageId 291 * @param replyAll 292 */ 293 public static void actionReply(Context context, long messageId, boolean replyAll) { 294 startActivityWithMessage(context, replyAll ? ACTION_REPLY_ALL : ACTION_REPLY, messageId); 295 } 296 297 /** 298 * Compose a new message as a forward of the given message. 299 * @param context 300 * @param messageId 301 */ 302 public static void actionForward(Context context, long messageId) { 303 startActivityWithMessage(context, ACTION_FORWARD, messageId); 304 } 305 306 /** 307 * Continue composition of the given message. This action modifies the way this Activity 308 * handles certain actions. 309 * Save will attempt to replace the message in the given folder with the updated version. 310 * Discard will delete the message from the given folder. 311 * @param context 312 * @param messageId the message id. 313 */ 314 public static void actionEditDraft(Context context, long messageId) { 315 startActivityWithMessage(context, ACTION_EDIT_DRAFT, messageId); 316 } 317 318 /** 319 * Starts a compose activity with a message as a reference message (e.g. for reply or forward). 320 */ 321 private static void startActivityWithMessage(Context context, String action, long messageId) { 322 Intent i = getBaseIntent(context); 323 i.putExtra(EXTRA_MESSAGE_ID, messageId); 324 i.setAction(action); 325 context.startActivity(i); 326 } 327 328 private void setAccount(Intent intent) { 329 long accountId = intent.getLongExtra(EXTRA_ACCOUNT_ID, -1); 330 if (accountId == Account.NO_ACCOUNT) { 331 accountId = Account.getDefaultAccountId(this); 332 } 333 if (accountId == Account.NO_ACCOUNT) { 334 // There are no accounts set up. This should not have happened. Prompt the 335 // user to set up an account as an acceptable bailout. 336 Welcome.actionStart(this); 337 finish(); 338 } else { 339 setAccount(Account.restoreAccountWithId(this, accountId)); 340 } 341 } 342 343 private void setAccount(Account account) { 344 if (account == null) { 345 throw new IllegalArgumentException(); 346 } 347 mAccount = account; 348 mFromView.setText(account.mEmailAddress); 349 mAddressAdapterTo 350 .setAccount(new android.accounts.Account(account.mEmailAddress, "unknown")); 351 mAddressAdapterCc 352 .setAccount(new android.accounts.Account(account.mEmailAddress, "unknown")); 353 mAddressAdapterBcc 354 .setAccount(new android.accounts.Account(account.mEmailAddress, "unknown")); 355 356 new QuickResponseChecker(mTaskTracker).executeParallel((Void) null); 357 } 358 359 @Override 360 public void onCreate(Bundle savedInstanceState) { 361 super.onCreate(savedInstanceState); 362 ActivityHelper.debugSetWindowFlags(this); 363 setContentView(R.layout.message_compose); 364 365 mController = Controller.getInstance(getApplication()); 366 initViews(); 367 368 // Show the back arrow on the action bar. 369 getActionBar().setDisplayOptions( 370 ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP); 371 372 if (savedInstanceState != null) { 373 long draftId = savedInstanceState.getLong(STATE_KEY_DRAFT_ID, Message.NOT_SAVED); 374 long existingSaveTaskId = savedInstanceState.getLong(STATE_KEY_LAST_SAVE_TASK_ID, -1); 375 setAction(savedInstanceState.getString(STATE_KEY_ACTION)); 376 SendOrSaveMessageTask existingSaveTask = sActiveSaveTasks.get(existingSaveTaskId); 377 378 if ((draftId != Message.NOT_SAVED) || (existingSaveTask != null)) { 379 // Restoring state and there was an existing message saved or in the process of 380 // being saved. 381 resumeDraft(draftId, existingSaveTask, false /* don't restore views */); 382 } else { 383 // Restoring state but there was nothing saved - probably means the user rotated 384 // the device immediately - just use the Intent. 385 resolveIntent(getIntent()); 386 } 387 } else { 388 Intent intent = getIntent(); 389 setAction(intent.getAction()); 390 resolveIntent(intent); 391 } 392 } 393 394 private void resolveIntent(Intent intent) { 395 if (Intent.ACTION_VIEW.equals(mAction) 396 || Intent.ACTION_SENDTO.equals(mAction) 397 || Intent.ACTION_SEND.equals(mAction) 398 || Intent.ACTION_SEND_MULTIPLE.equals(mAction)) { 399 initFromIntent(intent); 400 setMessageChanged(true); 401 setMessageLoaded(true); 402 } else if (ACTION_REPLY.equals(mAction) 403 || ACTION_REPLY_ALL.equals(mAction) 404 || ACTION_FORWARD.equals(mAction)) { 405 long sourceMessageId = getIntent().getLongExtra(EXTRA_MESSAGE_ID, Message.NOT_SAVED); 406 loadSourceMessage(sourceMessageId, true); 407 408 } else if (ACTION_EDIT_DRAFT.equals(mAction)) { 409 // Assert getIntent.hasExtra(EXTRA_MESSAGE_ID) 410 long draftId = getIntent().getLongExtra(EXTRA_MESSAGE_ID, Message.NOT_SAVED); 411 resumeDraft(draftId, null, true /* restore views */); 412 413 } else { 414 // Normal compose flow for a new message. 415 setAccount(intent); 416 setInitialComposeText(null, getAccountSignature(mAccount)); 417 setMessageLoaded(true); 418 } 419 } 420 421 @Override 422 protected void onRestoreInstanceState(Bundle savedInstanceState) { 423 // Temporarily disable onTextChanged listeners while restoring the fields 424 removeListeners(); 425 super.onRestoreInstanceState(savedInstanceState); 426 if (savedInstanceState.getBoolean(STATE_KEY_CC_SHOWN)) { 427 showCcBccFields(); 428 } 429 mQuotedTextBar.setVisibility(savedInstanceState.getBoolean(STATE_KEY_QUOTED_TEXT_SHOWN) 430 ? View.VISIBLE : View.GONE); 431 mQuotedText.setVisibility(savedInstanceState.getBoolean(STATE_KEY_QUOTED_TEXT_SHOWN) 432 ? View.VISIBLE : View.GONE); 433 addListeners(); 434 } 435 436 // needed for unit tests 437 @Override 438 public void setIntent(Intent intent) { 439 super.setIntent(intent); 440 setAction(intent.getAction()); 441 } 442 443 private void setQuickResponsesAvailable(boolean quickResponsesAvailable) { 444 if (mQuickResponsesAvailable != quickResponsesAvailable) { 445 mQuickResponsesAvailable = quickResponsesAvailable; 446 invalidateOptionsMenu(); 447 } 448 } 449 450 /** 451 * Given an accountId and context, finds if the database has any QuickResponse 452 * entries and returns the result to the Callback. 453 */ 454 private class QuickResponseChecker extends EmailAsyncTask<Void, Void, Boolean> { 455 public QuickResponseChecker(EmailAsyncTask.Tracker tracker) { 456 super(tracker); 457 } 458 459 @Override 460 protected Boolean doInBackground(Void... params) { 461 return EmailContent.count(MessageCompose.this, QuickResponse.CONTENT_URI, 462 QuickResponseColumns.ACCOUNT_KEY + "=?", 463 new String[] {Long.toString(mAccount.mId)}) > 0; 464 } 465 466 @Override 467 protected void onSuccess(Boolean quickResponsesAvailable) { 468 setQuickResponsesAvailable(quickResponsesAvailable); 469 } 470 } 471 472 @Override 473 public void onResume() { 474 super.onResume(); 475 476 // Exit immediately if the accounts list has changed (e.g. externally deleted) 477 if (Email.getNotifyUiAccountsChanged()) { 478 Welcome.actionStart(this); 479 finish(); 480 return; 481 } 482 483 // If activity paused and quick responses are removed/added, possibly update options menu 484 if (mAccount != null) { 485 new QuickResponseChecker(mTaskTracker).executeParallel((Void) null); 486 } 487 } 488 489 @Override 490 public void onPause() { 491 super.onPause(); 492 saveIfNeeded(); 493 } 494 495 /** 496 * We override onDestroy to make sure that the WebView gets explicitly destroyed. 497 * Otherwise it can leak native references. 498 */ 499 @Override 500 public void onDestroy() { 501 super.onDestroy(); 502 mQuotedText.destroy(); 503 mQuotedText = null; 504 505 mTaskTracker.cancellAllInterrupt(); 506 507 if (mAddressAdapterTo != null && mAddressAdapterTo instanceof EmailAddressAdapter) { 508 ((EmailAddressAdapter) mAddressAdapterTo).close(); 509 } 510 if (mAddressAdapterCc != null && mAddressAdapterCc instanceof EmailAddressAdapter) { 511 ((EmailAddressAdapter) mAddressAdapterCc).close(); 512 } 513 if (mAddressAdapterBcc != null && mAddressAdapterBcc instanceof EmailAddressAdapter) { 514 ((EmailAddressAdapter) mAddressAdapterBcc).close(); 515 } 516 } 517 518 /** 519 * The framework handles most of the fields, but we need to handle stuff that we 520 * dynamically show and hide: 521 * Cc field, 522 * Bcc field, 523 * Quoted text, 524 */ 525 @Override 526 protected void onSaveInstanceState(Bundle outState) { 527 super.onSaveInstanceState(outState); 528 529 long draftId = mDraft.mId; 530 if (draftId != Message.NOT_SAVED) { 531 outState.putLong(STATE_KEY_DRAFT_ID, draftId); 532 } 533 outState.putBoolean(STATE_KEY_CC_SHOWN, mCcBccContainer.getVisibility() == View.VISIBLE); 534 outState.putBoolean(STATE_KEY_QUOTED_TEXT_SHOWN, 535 mQuotedTextBar.getVisibility() == View.VISIBLE); 536 outState.putString(STATE_KEY_ACTION, mAction); 537 538 // If there are any outstanding save requests, ensure that it's noted in case it hasn't 539 // finished by the time the activity is restored. 540 outState.putLong(STATE_KEY_LAST_SAVE_TASK_ID, mLastSaveTaskId); 541 } 542 543 /** 544 * Whether or not the current message being edited has a source message (i.e. is a reply, 545 * or forward) that is loaded. 546 */ 547 private boolean hasSourceMessage() { 548 return mSource != null; 549 } 550 551 /** 552 * @return true if the activity was opened by the email app itself. 553 */ 554 private boolean isOpenedFromWithinApp() { 555 Intent i = getIntent(); 556 return (i != null && i.getBooleanExtra(EXTRA_FROM_WITHIN_APP, false)); 557 } 558 559 /** 560 * Sets message as loaded and then initializes the TextWatchers. 561 * @param isLoaded - value to which to set mMessageLoaded 562 */ 563 private void setMessageLoaded(boolean isLoaded) { 564 if (mMessageLoaded != isLoaded) { 565 mMessageLoaded = isLoaded; 566 addListeners(); 567 mInitiallyEmpty = areViewsEmpty(); 568 } 569 } 570 571 private void setMessageChanged(boolean messageChanged) { 572 boolean needsSaving = messageChanged && !(mInitiallyEmpty && areViewsEmpty()); 573 574 if (mDraftNeedsSaving != needsSaving) { 575 mDraftNeedsSaving = needsSaving; 576 invalidateOptionsMenu(); 577 } 578 } 579 580 /** 581 * @return whether or not all text fields are empty (i.e. the entire compose message is empty) 582 */ 583 private boolean areViewsEmpty() { 584 return (mToView.length() == 0) 585 && (mCcView.length() == 0) 586 && (mBccView.length() == 0) 587 && (mSubjectView.length() == 0) 588 && isBodyEmpty() 589 && mAttachments.isEmpty(); 590 } 591 592 private boolean isBodyEmpty() { 593 return (mMessageContentView.length() == 0) 594 || mMessageContentView.getText() 595 .toString().equals("\n" + getAccountSignature(mAccount)); 596 } 597 598 public void setFocusShifter(int fromViewId, final int targetViewId) { 599 View label = findViewById(fromViewId); // xlarge only 600 if (label != null) { 601 final View target = UiUtilities.getView(this, targetViewId); 602 label.setOnClickListener(new View.OnClickListener() { 603 @Override 604 public void onClick(View v) { 605 target.requestFocus(); 606 } 607 }); 608 } 609 } 610 611 /** 612 * An {@link InputFilter} that implements special address cleanup rules. 613 * The first space key entry following an "@" symbol that is followed by any combination 614 * of letters and symbols, including one+ dots and zero commas, should insert an extra 615 * comma (followed by the space). 616 */ 617 @VisibleForTesting 618 static final InputFilter RECIPIENT_FILTER = new InputFilter() { 619 @Override 620 public CharSequence filter(CharSequence source, int start, int end, Spanned dest, 621 int dstart, int dend) { 622 623 // Quick check - did they enter a single space? 624 if (end-start != 1 || source.charAt(start) != ' ') { 625 return null; 626 } 627 628 // determine if the characters before the new space fit the pattern 629 // follow backwards and see if we find a comma, dot, or @ 630 int scanBack = dstart; 631 boolean dotFound = false; 632 while (scanBack > 0) { 633 char c = dest.charAt(--scanBack); 634 switch (c) { 635 case '.': 636 dotFound = true; // one or more dots are req'd 637 break; 638 case ',': 639 return null; 640 case '@': 641 if (!dotFound) { 642 return null; 643 } 644 645 // we have found a comma-insert case. now just do it 646 // in the least expensive way we can. 647 if (source instanceof Spanned) { 648 SpannableStringBuilder sb = new SpannableStringBuilder(","); 649 sb.append(source); 650 return sb; 651 } else { 652 return ", "; 653 } 654 default: 655 // just keep going 656 } 657 } 658 659 // no termination cases were found, so don't edit the input 660 return null; 661 } 662 }; 663 664 private void initViews() { 665 mToView = UiUtilities.getView(this, R.id.to); 666 mCcView = UiUtilities.getView(this, R.id.cc); 667 mBccView = UiUtilities.getView(this, R.id.bcc); 668 // add hints only when no labels exist 669 if (UiUtilities.getViewOrNull(this, R.id.to_label) == null) { 670 mToView.setHint(R.string.message_compose_to_hint); 671 mCcView.setHint(R.string.message_compose_cc_hint); 672 mBccView.setHint(R.string.message_compose_bcc_hint); 673 } 674 675 mFromView = UiUtilities.getView(this, R.id.from); 676 mCcBccContainer = UiUtilities.getView(this, R.id.cc_bcc_container); 677 mSubjectView = UiUtilities.getView(this, R.id.subject); 678 mMessageContentView = UiUtilities.getView(this, R.id.message_content); 679 mAttachmentContentView = UiUtilities.getView(this, R.id.attachments); 680 mAttachmentContainer = UiUtilities.getView(this, R.id.attachment_container); 681 mQuotedTextBar = UiUtilities.getView(this, R.id.quoted_text_bar); 682 mIncludeQuotedTextCheckBox = UiUtilities.getView(this, R.id.include_quoted_text); 683 mQuotedText = UiUtilities.getView(this, R.id.quoted_text); 684 685 InputFilter[] recipientFilters = new InputFilter[] { RECIPIENT_FILTER }; 686 687 // NOTE: assumes no other filters are set 688 mToView.setFilters(recipientFilters); 689 mCcView.setFilters(recipientFilters); 690 mBccView.setFilters(recipientFilters); 691 692 /* 693 * We set this to invisible by default. Other methods will turn it back on if it's 694 * needed. 695 */ 696 mQuotedTextBar.setVisibility(View.GONE); 697 setIncludeQuotedText(false, false); 698 699 mIncludeQuotedTextCheckBox.setOnClickListener(this); 700 701 EmailAddressValidator addressValidator = new EmailAddressValidator(); 702 703 setupAddressAdapters(); 704 mToView.setTokenizer(new Rfc822Tokenizer()); 705 mToView.setValidator(addressValidator); 706 707 mCcView.setTokenizer(new Rfc822Tokenizer()); 708 mCcView.setValidator(addressValidator); 709 710 mBccView.setTokenizer(new Rfc822Tokenizer()); 711 mBccView.setValidator(addressValidator); 712 713 final View addCcBccView = UiUtilities.getViewOrNull(this, R.id.add_cc_bcc); 714 if (addCcBccView != null) { 715 // Tablet view. 716 addCcBccView.setOnClickListener(this); 717 } 718 719 final View addAttachmentView = UiUtilities.getViewOrNull(this, R.id.add_attachment); 720 if (addAttachmentView != null) { 721 // Tablet view. 722 addAttachmentView.setOnClickListener(this); 723 } 724 725 setFocusShifter(R.id.to_label, R.id.to); 726 setFocusShifter(R.id.cc_label, R.id.cc); 727 setFocusShifter(R.id.bcc_label, R.id.bcc); 728 setFocusShifter(R.id.subject_label, R.id.subject); 729 setFocusShifter(R.id.tap_trap, R.id.message_content); 730 731 mMessageContentView.setOnFocusChangeListener(this); 732 733 mActionSpinner = UiUtilities.getViewOrNull(this, R.id.action_spinner); 734 735 updateAttachmentContainer(); 736 mToView.requestFocus(); 737 } 738 739 /** 740 * Initializes listeners. Should only be called once initializing of views is complete to 741 * avoid unnecessary draft saving. 742 */ 743 private void addListeners() { 744 mToView.addTextChangedListener(mWatcher); 745 mCcView.addTextChangedListener(mWatcher); 746 mBccView.addTextChangedListener(mWatcher); 747 mSubjectView.addTextChangedListener(mWatcher); 748 mMessageContentView.addTextChangedListener(mWatcher); 749 } 750 751 /** 752 * Removes listeners from the user-editable fields. Can be used to temporarily disable them 753 * while resetting fields (such as when changing from reply to reply all) to avoid 754 * unnecessary saving. 755 */ 756 private void removeListeners() { 757 mToView.removeTextChangedListener(mWatcher); 758 mCcView.removeTextChangedListener(mWatcher); 759 mBccView.removeTextChangedListener(mWatcher); 760 mSubjectView.removeTextChangedListener(mWatcher); 761 mMessageContentView.removeTextChangedListener(mWatcher); 762 } 763 764 /** 765 * Set up address auto-completion adapters. 766 */ 767 private void setupAddressAdapters() { 768 boolean supportsChips = ChipsUtil.supportsChipsUi(); 769 770 if (supportsChips && mToView instanceof RecipientEditTextView) { 771 mAddressAdapterTo = new RecipientAdapter(this, (RecipientEditTextView) mToView); 772 mToView.setAdapter((RecipientAdapter) mAddressAdapterTo); 773 } else { 774 mAddressAdapterTo = new EmailAddressAdapter(this); 775 mToView.setAdapter((EmailAddressAdapter) mAddressAdapterTo); 776 } 777 if (supportsChips && mCcView instanceof RecipientEditTextView) { 778 mAddressAdapterCc = new RecipientAdapter(this, (RecipientEditTextView) mCcView); 779 mCcView.setAdapter((RecipientAdapter) mAddressAdapterCc); 780 } else { 781 mAddressAdapterCc = new EmailAddressAdapter(this); 782 mCcView.setAdapter((EmailAddressAdapter) mAddressAdapterCc); 783 } 784 if (supportsChips && mBccView instanceof RecipientEditTextView) { 785 mAddressAdapterBcc = new RecipientAdapter(this, (RecipientEditTextView) mBccView); 786 mBccView.setAdapter((RecipientAdapter) mAddressAdapterBcc); 787 } else { 788 mAddressAdapterBcc = new EmailAddressAdapter(this); 789 mBccView.setAdapter((EmailAddressAdapter) mAddressAdapterBcc); 790 } 791 } 792 793 /** 794 * Asynchronously loads a draft message for editing. 795 * This may or may not restore the view contents, depending on whether or not callers want, 796 * since in the case of screen rotation, those are restored automatically. 797 */ 798 private void resumeDraft( 799 long draftId, 800 SendOrSaveMessageTask existingSaveTask, 801 final boolean restoreViews) { 802 // Note - this can be Message.NOT_SAVED if there is an existing save task in progress 803 // for the draft we need to load. 804 mDraft.mId = draftId; 805 806 new LoadMessageTask(draftId, existingSaveTask, new OnMessageLoadHandler() { 807 @Override 808 public void onMessageLoaded(Message message, Body body) { 809 message.mHtml = body.mHtmlContent; 810 message.mText = body.mTextContent; 811 message.mHtmlReply = body.mHtmlReply; 812 message.mTextReply = body.mTextReply; 813 message.mIntroText = body.mIntroText; 814 message.mSourceKey = body.mSourceKey; 815 816 mDraft = message; 817 processDraftMessage(message, restoreViews); 818 819 // Load attachments related to the draft. 820 loadAttachments(message.mId, mAccount, new AttachmentLoadedCallback() { 821 @Override 822 public void onAttachmentLoaded(Attachment[] attachments) { 823 for (Attachment attachment: attachments) { 824 addAttachment(attachment); 825 } 826 } 827 }); 828 829 // If we're resuming an edit of a reply, reply-all, or forward, re-load the 830 // source message if available so that we get more information. 831 if (message.mSourceKey != Message.NOT_SAVED) { 832 loadSourceMessage(message.mSourceKey, false /* restore views */); 833 } 834 } 835 836 @Override 837 public void onLoadFailed() { 838 Utility.showToast(MessageCompose.this, R.string.error_loading_message_body); 839 finish(); 840 } 841 }).executeParallel((Void[]) null); 842 } 843 844 @VisibleForTesting 845 void processDraftMessage(Message message, boolean restoreViews) { 846 if (restoreViews) { 847 mSubjectView.setText(message.mSubject); 848 addAddresses(mToView, Address.unpack(message.mTo)); 849 Address[] cc = Address.unpack(message.mCc); 850 if (cc.length > 0) { 851 addAddresses(mCcView, cc); 852 } 853 Address[] bcc = Address.unpack(message.mBcc); 854 if (bcc.length > 0) { 855 addAddresses(mBccView, bcc); 856 } 857 858 mMessageContentView.setText(message.mText); 859 860 showCcBccFieldsIfFilled(); 861 setNewMessageFocus(); 862 } 863 setMessageChanged(false); 864 865 // The quoted text must always be restored. 866 displayQuotedText(message.mTextReply, message.mHtmlReply); 867 setIncludeQuotedText( 868 (mDraft.mFlags & Message.FLAG_NOT_INCLUDE_QUOTED_TEXT) == 0, false); 869 } 870 871 /** 872 * Asynchronously loads a source message (to be replied or forwarded in this current view), 873 * populating text fields and quoted text fields when the load finishes, if requested. 874 */ 875 private void loadSourceMessage(long sourceMessageId, final boolean restoreViews) { 876 new LoadMessageTask(sourceMessageId, null, new OnMessageLoadHandler() { 877 @Override 878 public void onMessageLoaded(Message message, Body body) { 879 message.mHtml = body.mHtmlContent; 880 message.mText = body.mTextContent; 881 message.mHtmlReply = null; 882 message.mTextReply = null; 883 message.mIntroText = null; 884 mSource = message; 885 mSourceAttachments = new ArrayList<Attachment>(); 886 887 if (restoreViews) { 888 processSourceMessage(mSource, mAccount); 889 setInitialComposeText(null, getAccountSignature(mAccount)); 890 } 891 892 loadAttachments(message.mId, mAccount, new AttachmentLoadedCallback() { 893 @Override 894 public void onAttachmentLoaded(Attachment[] attachments) { 895 final boolean supportsSmartForward = 896 (mAccount.mFlags & Account.FLAGS_SUPPORTS_SMART_FORWARD) != 0; 897 898 // Process the attachments to have the appropriate smart forward flags. 899 for (Attachment attachment : attachments) { 900 if (supportsSmartForward) { 901 attachment.mFlags |= Attachment.FLAG_SMART_FORWARD; 902 } 903 mSourceAttachments.add(attachment); 904 } 905 if (isForward() && restoreViews) { 906 if (processSourceMessageAttachments( 907 mAttachments, mSourceAttachments, true)) { 908 updateAttachmentUi(); 909 setMessageChanged(true); 910 } 911 } 912 } 913 }); 914 915 if (mAction.equals(ACTION_EDIT_DRAFT)) { 916 // Resuming a draft may in fact be resuming a reply/reply all/forward. 917 // Use a best guess and infer the action here. 918 String inferredAction = inferAction(); 919 if (inferredAction != null) { 920 setAction(inferredAction); 921 // No need to update the action selector as switching actions should do it. 922 return; 923 } 924 } 925 926 updateActionSelector(); 927 } 928 929 @Override 930 public void onLoadFailed() { 931 // The loading of the source message is only really required if it is needed 932 // immediately to restore the view contents. In the case of resuming draft, it 933 // is only needed to gather additional information. 934 if (restoreViews) { 935 Utility.showToast(MessageCompose.this, R.string.error_loading_message_body); 936 finish(); 937 } 938 } 939 }).executeParallel((Void[]) null); 940 } 941 942 /** 943 * Infers whether or not the current state of the message best reflects either a reply, 944 * reply-all, or forward. 945 */ 946 @VisibleForTesting 947 String inferAction() { 948 String subject = mSubjectView.getText().toString(); 949 if (subject == null) { 950 return null; 951 } 952 if (subject.toLowerCase().startsWith("fwd:")) { 953 return ACTION_FORWARD; 954 } else if (subject.toLowerCase().startsWith("re:")) { 955 int numRecipients = getAddresses(mToView).length 956 + getAddresses(mCcView).length 957 + getAddresses(mBccView).length; 958 if (numRecipients > 1) { 959 return ACTION_REPLY_ALL; 960 } else { 961 return ACTION_REPLY; 962 } 963 } else { 964 // Unsure. 965 return null; 966 } 967 } 968 969 private interface OnMessageLoadHandler { 970 /** 971 * Handles a load to a message (e.g. a draft message or a source message). 972 */ 973 void onMessageLoaded(Message message, Body body); 974 975 /** 976 * Handles a failure to load a message. 977 */ 978 void onLoadFailed(); 979 } 980 981 /** 982 * Asynchronously loads a message and the account information. 983 * This can be used to load a reference message (when replying) or when restoring a draft. 984 */ 985 private class LoadMessageTask extends EmailAsyncTask<Void, Void, Object[]> { 986 /** 987 * The message ID to load, if available. 988 */ 989 private long mMessageId; 990 991 /** 992 * A future-like reference to the save task which must complete prior to this load. 993 */ 994 private final SendOrSaveMessageTask mSaveTask; 995 996 /** 997 * A callback to pass the results of the load to. 998 */ 999 private final OnMessageLoadHandler mCallback; 1000 1001 public LoadMessageTask( 1002 long messageId, SendOrSaveMessageTask saveTask, OnMessageLoadHandler callback) { 1003 super(mTaskTracker); 1004 mMessageId = messageId; 1005 mSaveTask = saveTask; 1006 mCallback = callback; 1007 } 1008 1009 private long getIdToLoad() throws InterruptedException, ExecutionException { 1010 if (mMessageId == -1) { 1011 mMessageId = mSaveTask.get(); 1012 } 1013 return mMessageId; 1014 } 1015 1016 @Override 1017 protected Object[] doInBackground(Void... params) { 1018 long messageId; 1019 try { 1020 messageId = getIdToLoad(); 1021 } catch (InterruptedException e) { 1022 // Don't have a good message ID to load - bail. 1023 Log.e(Logging.LOG_TAG, 1024 "Unable to load draft message since existing save task failed: " + e); 1025 return null; 1026 } catch (ExecutionException e) { 1027 // Don't have a good message ID to load - bail. 1028 Log.e(Logging.LOG_TAG, 1029 "Unable to load draft message since existing save task failed: " + e); 1030 return null; 1031 } 1032 Message message = Message.restoreMessageWithId(MessageCompose.this, messageId); 1033 if (message == null) { 1034 return null; 1035 } 1036 long accountId = message.mAccountKey; 1037 Account account = Account.restoreAccountWithId(MessageCompose.this, accountId); 1038 Body body; 1039 try { 1040 body = Body.restoreBodyWithMessageId(MessageCompose.this, message.mId); 1041 } catch (RuntimeException e) { 1042 Log.d(Logging.LOG_TAG, "Exception while loading message body: " + e); 1043 return null; 1044 } 1045 return new Object[] {message, body, account}; 1046 } 1047 1048 @Override 1049 protected void onSuccess(Object[] results) { 1050 if ((results == null) || (results.length != 3)) { 1051 mCallback.onLoadFailed(); 1052 return; 1053 } 1054 1055 final Message message = (Message) results[0]; 1056 final Body body = (Body) results[1]; 1057 final Account account = (Account) results[2]; 1058 if ((message == null) || (body == null) || (account == null)) { 1059 mCallback.onLoadFailed(); 1060 return; 1061 } 1062 1063 setAccount(account); 1064 mCallback.onMessageLoaded(message, body); 1065 setMessageLoaded(true); 1066 } 1067 } 1068 1069 private interface AttachmentLoadedCallback { 1070 /** 1071 * Handles completion of the loading of a set of attachments. 1072 * Callback will always happen on the main thread. 1073 */ 1074 void onAttachmentLoaded(Attachment[] attachment); 1075 } 1076 1077 private void loadAttachments( 1078 final long messageId, 1079 final Account account, 1080 final AttachmentLoadedCallback callback) { 1081 new EmailAsyncTask<Void, Void, Attachment[]>(mTaskTracker) { 1082 @Override 1083 protected Attachment[] doInBackground(Void... params) { 1084 return Attachment.restoreAttachmentsWithMessageId(MessageCompose.this, messageId); 1085 } 1086 1087 @Override 1088 protected void onSuccess(Attachment[] attachments) { 1089 if (attachments == null) { 1090 attachments = new Attachment[0]; 1091 } 1092 callback.onAttachmentLoaded(attachments); 1093 } 1094 }.executeParallel((Void[]) null); 1095 } 1096 1097 @Override 1098 public void onFocusChange(View view, boolean focused) { 1099 if (focused) { 1100 switch (view.getId()) { 1101 case R.id.message_content: 1102 // When focusing on the message content via tabbing to it, or other means of 1103 // auto focusing, move the cursor to the end of the body (before the signature). 1104 if (mMessageContentView.getSelectionStart() == 0 1105 && mMessageContentView.getSelectionEnd() == 0) { 1106 // There is no way to determine if the focus change was programmatic or due 1107 // to keyboard event, or if it was due to a tap/restore. Use a best-guess 1108 // by using the fact that auto-focus/keyboard tabs set the selection to 0. 1109 setMessageContentSelection(getAccountSignature(mAccount)); 1110 } 1111 } 1112 } 1113 } 1114 1115 private static void addAddresses(MultiAutoCompleteTextView view, Address[] addresses) { 1116 if (addresses == null) { 1117 return; 1118 } 1119 for (Address address : addresses) { 1120 addAddress(view, address.toString()); 1121 } 1122 } 1123 1124 private static void addAddresses(MultiAutoCompleteTextView view, String[] addresses) { 1125 if (addresses == null) { 1126 return; 1127 } 1128 for (String oneAddress : addresses) { 1129 addAddress(view, oneAddress); 1130 } 1131 } 1132 1133 private static void addAddresses(MultiAutoCompleteTextView view, String addresses) { 1134 if (addresses == null) { 1135 return; 1136 } 1137 Address[] unpackedAddresses = Address.unpack(addresses); 1138 for (Address address : unpackedAddresses) { 1139 addAddress(view, address.toString()); 1140 } 1141 } 1142 1143 private static void addAddress(MultiAutoCompleteTextView view, String address) { 1144 view.append(address + ", "); 1145 } 1146 1147 private static String getPackedAddresses(TextView view) { 1148 Address[] addresses = Address.parse(view.getText().toString().trim()); 1149 return Address.pack(addresses); 1150 } 1151 1152 private static Address[] getAddresses(TextView view) { 1153 Address[] addresses = Address.parse(view.getText().toString().trim()); 1154 return addresses; 1155 } 1156 1157 /* 1158 * Computes a short string indicating the destination of the message based on To, Cc, Bcc. 1159 * If only one address appears, returns the friendly form of that address. 1160 * Otherwise returns the friendly form of the first address appended with "and N others". 1161 */ 1162 private String makeDisplayName(String packedTo, String packedCc, String packedBcc) { 1163 Address first = null; 1164 int nRecipients = 0; 1165 for (String packed: new String[] {packedTo, packedCc, packedBcc}) { 1166 Address[] addresses = Address.unpack(packed); 1167 nRecipients += addresses.length; 1168 if (first == null && addresses.length > 0) { 1169 first = addresses[0]; 1170 } 1171 } 1172 if (nRecipients == 0) { 1173 return ""; 1174 } 1175 String friendly = first.toFriendly(); 1176 if (nRecipients == 1) { 1177 return friendly; 1178 } 1179 return this.getString(R.string.message_compose_display_name, friendly, nRecipients - 1); 1180 } 1181 1182 private ContentValues getUpdateContentValues(Message message) { 1183 ContentValues values = new ContentValues(); 1184 values.put(MessageColumns.TIMESTAMP, message.mTimeStamp); 1185 values.put(MessageColumns.FROM_LIST, message.mFrom); 1186 values.put(MessageColumns.TO_LIST, message.mTo); 1187 values.put(MessageColumns.CC_LIST, message.mCc); 1188 values.put(MessageColumns.BCC_LIST, message.mBcc); 1189 values.put(MessageColumns.SUBJECT, message.mSubject); 1190 values.put(MessageColumns.DISPLAY_NAME, message.mDisplayName); 1191 values.put(MessageColumns.FLAG_READ, message.mFlagRead); 1192 values.put(MessageColumns.FLAG_LOADED, message.mFlagLoaded); 1193 values.put(MessageColumns.FLAG_ATTACHMENT, message.mFlagAttachment); 1194 values.put(MessageColumns.FLAGS, message.mFlags); 1195 return values; 1196 } 1197 1198 /** 1199 * Updates the given message using values from the compose UI. 1200 * 1201 * @param message The message to be updated. 1202 * @param account the account (used to obtain From: address). 1203 * @param hasAttachments true if it has one or more attachment. 1204 * @param sending set true if the message is about to sent, in which case we perform final 1205 * clean up; 1206 */ 1207 private void updateMessage(Message message, Account account, boolean hasAttachments, 1208 boolean sending) { 1209 if (message.mMessageId == null || message.mMessageId.length() == 0) { 1210 message.mMessageId = Utility.generateMessageId(); 1211 } 1212 message.mTimeStamp = System.currentTimeMillis(); 1213 message.mFrom = new Address(account.getEmailAddress(), account.getSenderName()).pack(); 1214 message.mTo = getPackedAddresses(mToView); 1215 message.mCc = getPackedAddresses(mCcView); 1216 message.mBcc = getPackedAddresses(mBccView); 1217 message.mSubject = mSubjectView.getText().toString(); 1218 message.mText = mMessageContentView.getText().toString(); 1219 message.mAccountKey = account.mId; 1220 message.mDisplayName = makeDisplayName(message.mTo, message.mCc, message.mBcc); 1221 message.mFlagRead = true; 1222 message.mFlagLoaded = Message.FLAG_LOADED_COMPLETE; 1223 message.mFlagAttachment = hasAttachments; 1224 // Use the Intent to set flags saying this message is a reply or a forward and save the 1225 // unique id of the source message 1226 if (mSource != null && mQuotedTextBar.getVisibility() == View.VISIBLE) { 1227 message.mSourceKey = mSource.mId; 1228 // If the quote bar is visible; this must either be a reply or forward 1229 // Get the body of the source message here 1230 message.mHtmlReply = mSource.mHtml; 1231 message.mTextReply = mSource.mText; 1232 String fromAsString = Address.unpackToString(mSource.mFrom); 1233 if (isForward()) { 1234 message.mFlags |= Message.FLAG_TYPE_FORWARD; 1235 String subject = mSource.mSubject; 1236 String to = Address.unpackToString(mSource.mTo); 1237 String cc = Address.unpackToString(mSource.mCc); 1238 message.mIntroText = 1239 getString(R.string.message_compose_fwd_header_fmt, subject, fromAsString, 1240 to != null ? to : "", cc != null ? cc : ""); 1241 } else { 1242 message.mFlags |= Message.FLAG_TYPE_REPLY; 1243 message.mIntroText = 1244 getString(R.string.message_compose_reply_header_fmt, fromAsString); 1245 } 1246 } 1247 1248 if (includeQuotedText()) { 1249 message.mFlags &= ~Message.FLAG_NOT_INCLUDE_QUOTED_TEXT; 1250 } else { 1251 message.mFlags |= Message.FLAG_NOT_INCLUDE_QUOTED_TEXT; 1252 if (sending) { 1253 // If we are about to send a message, and not including the original message, 1254 // clear the related field. 1255 // We can't do this until the last minutes, so that the user can change their 1256 // mind later and want to include it again. 1257 mDraft.mIntroText = null; 1258 mDraft.mTextReply = null; 1259 mDraft.mHtmlReply = null; 1260 1261 // Note that mSourceKey is not cleared out as this is still considered a 1262 // reply/forward. 1263 } 1264 } 1265 } 1266 1267 private class SendOrSaveMessageTask extends EmailAsyncTask<Void, Void, Long> { 1268 private final boolean mSend; 1269 private final long mTaskId; 1270 1271 /** A context that will survive even past activity destruction. */ 1272 private final Context mContext; 1273 1274 public SendOrSaveMessageTask(long taskId, boolean send) { 1275 super(null /* DO NOT cancel in onDestroy */); 1276 if (send && ActivityManager.isUserAMonkey()) { 1277 Log.d(Logging.LOG_TAG, "Inhibiting send while monkey is in charge."); 1278 send = false; 1279 } 1280 mTaskId = taskId; 1281 mSend = send; 1282 mContext = getApplicationContext(); 1283 1284 sActiveSaveTasks.put(mTaskId, this); 1285 } 1286 1287 @Override 1288 protected Long doInBackground(Void... params) { 1289 synchronized (mDraft) { 1290 updateMessage(mDraft, mAccount, mAttachments.size() > 0, mSend); 1291 ContentResolver resolver = getContentResolver(); 1292 if (mDraft.isSaved()) { 1293 // Update the message 1294 Uri draftUri = 1295 ContentUris.withAppendedId(Message.SYNCED_CONTENT_URI, mDraft.mId); 1296 resolver.update(draftUri, getUpdateContentValues(mDraft), null, null); 1297 // Update the body 1298 ContentValues values = new ContentValues(); 1299 values.put(BodyColumns.TEXT_CONTENT, mDraft.mText); 1300 values.put(BodyColumns.TEXT_REPLY, mDraft.mTextReply); 1301 values.put(BodyColumns.HTML_REPLY, mDraft.mHtmlReply); 1302 values.put(BodyColumns.INTRO_TEXT, mDraft.mIntroText); 1303 values.put(BodyColumns.SOURCE_MESSAGE_KEY, mDraft.mSourceKey); 1304 Body.updateBodyWithMessageId(MessageCompose.this, mDraft.mId, values); 1305 } else { 1306 // mDraft.mId is set upon return of saveToMailbox() 1307 mController.saveToMailbox(mDraft, Mailbox.TYPE_DRAFTS); 1308 } 1309 // For any unloaded attachment, set the flag saying we need it loaded 1310 boolean hasUnloadedAttachments = false; 1311 for (Attachment attachment : mAttachments) { 1312 if (attachment.mContentUri == null && 1313 ((attachment.mFlags & Attachment.FLAG_SMART_FORWARD) == 0)) { 1314 attachment.mFlags |= Attachment.FLAG_DOWNLOAD_FORWARD; 1315 hasUnloadedAttachments = true; 1316 if (Email.DEBUG) { 1317 Log.d(Logging.LOG_TAG, 1318 "Requesting download of attachment #" + attachment.mId); 1319 } 1320 } 1321 // Make sure the UI version of the attachment has the now-correct id; we will 1322 // use the id again when coming back from picking new attachments 1323 if (!attachment.isSaved()) { 1324 // this attachment is new so save it to DB. 1325 attachment.mMessageKey = mDraft.mId; 1326 attachment.save(MessageCompose.this); 1327 } else if (attachment.mMessageKey != mDraft.mId) { 1328 // We clone the attachment and save it again; otherwise, it will 1329 // continue to point to the source message. From this point forward, 1330 // the attachments will be independent of the original message in the 1331 // database; however, we still need the message on the server in order 1332 // to retrieve unloaded attachments 1333 attachment.mMessageKey = mDraft.mId; 1334 ContentValues cv = attachment.toContentValues(); 1335 cv.put(Attachment.FLAGS, attachment.mFlags); 1336 cv.put(Attachment.MESSAGE_KEY, mDraft.mId); 1337 getContentResolver().insert(Attachment.CONTENT_URI, cv); 1338 } 1339 } 1340 1341 if (mSend) { 1342 // Let the user know if message sending might be delayed by background 1343 // downlading of unloaded attachments 1344 if (hasUnloadedAttachments) { 1345 Utility.showToast(MessageCompose.this, 1346 R.string.message_view_attachment_background_load); 1347 } 1348 mController.sendMessage(mDraft); 1349 1350 ArrayList<CharSequence> addressTexts = new ArrayList<CharSequence>(); 1351 addressTexts.add(mToView.getText()); 1352 addressTexts.add(mCcView.getText()); 1353 addressTexts.add(mBccView.getText()); 1354 DataUsageStatUpdater updater = new DataUsageStatUpdater(mContext); 1355 updater.updateWithRfc822Address(addressTexts); 1356 } 1357 return mDraft.mId; 1358 } 1359 } 1360 1361 @Override 1362 protected void onSuccess(Long draftId) { 1363 // Note that send or save tasks are always completed, even if the activity 1364 // finishes earlier. 1365 sActiveSaveTasks.remove(mTaskId); 1366 // Don't display the toast if the user is just changing the orientation 1367 if (!mSend && (getChangingConfigurations() & ActivityInfo.CONFIG_ORIENTATION) == 0) { 1368 Toast.makeText(mContext, R.string.message_saved_toast, Toast.LENGTH_LONG).show(); 1369 } 1370 } 1371 } 1372 1373 /** 1374 * Send or save a message: 1375 * - out of the UI thread 1376 * - write to Drafts 1377 * - if send, invoke Controller.sendMessage() 1378 * - when operation is complete, display toast 1379 */ 1380 private void sendOrSaveMessage(boolean send) { 1381 if (!mMessageLoaded) { 1382 Log.w(Logging.LOG_TAG, 1383 "Attempted to save draft message prior to the state being fully loaded"); 1384 return; 1385 } 1386 synchronized (sActiveSaveTasks) { 1387 mLastSaveTaskId = sNextSaveTaskId++; 1388 1389 SendOrSaveMessageTask task = new SendOrSaveMessageTask(mLastSaveTaskId, send); 1390 1391 // Ensure the tasks are executed serially so that rapid scheduling doesn't result 1392 // in inconsistent data. 1393 task.executeSerial(); 1394 } 1395 } 1396 1397 private void saveIfNeeded() { 1398 if (!mDraftNeedsSaving) { 1399 return; 1400 } 1401 setMessageChanged(false); 1402 sendOrSaveMessage(false); 1403 } 1404 1405 /** 1406 * Checks whether all the email addresses listed in TO, CC, BCC are valid. 1407 */ 1408 @VisibleForTesting 1409 boolean isAddressAllValid() { 1410 for (TextView view : new TextView[]{mToView, mCcView, mBccView}) { 1411 String addresses = view.getText().toString().trim(); 1412 if (!Address.isAllValid(addresses)) { 1413 view.setError(getString(R.string.message_compose_error_invalid_email)); 1414 return false; 1415 } 1416 } 1417 return true; 1418 } 1419 1420 private void onSend() { 1421 if (!isAddressAllValid()) { 1422 Toast.makeText(this, getString(R.string.message_compose_error_invalid_email), 1423 Toast.LENGTH_LONG).show(); 1424 } else if (getAddresses(mToView).length == 0 && 1425 getAddresses(mCcView).length == 0 && 1426 getAddresses(mBccView).length == 0) { 1427 mToView.setError(getString(R.string.message_compose_error_no_recipients)); 1428 Toast.makeText(this, getString(R.string.message_compose_error_no_recipients), 1429 Toast.LENGTH_LONG).show(); 1430 } else { 1431 sendOrSaveMessage(true); 1432 setMessageChanged(false); 1433 finish(); 1434 } 1435 } 1436 1437 private void showQuickResponseDialog() { 1438 InsertQuickResponseDialog.newInstance(null, mAccount) 1439 .show(getFragmentManager(), null); 1440 } 1441 1442 /** 1443 * Inserts the selected QuickResponse into the message body at the current cursor position. 1444 */ 1445 @Override 1446 public void onQuickResponseSelected(CharSequence text) { 1447 int start = mMessageContentView.getSelectionStart(); 1448 int end = mMessageContentView.getSelectionEnd(); 1449 mMessageContentView.getEditableText().replace(start, end, text); 1450 } 1451 1452 private void onDiscard() { 1453 DeleteMessageConfirmationDialog.newInstance(1, null).show(getFragmentManager(), "dialog"); 1454 } 1455 1456 /** 1457 * Called when ok on the "discard draft" dialog is pressed. Actually delete the draft. 1458 */ 1459 @Override 1460 public void onDeleteMessageConfirmationDialogOkPressed() { 1461 if (mDraft.mId > 0) { 1462 // By the way, we can't pass the message ID from onDiscard() to here (using a 1463 // dialog argument or whatever), because you can rotate the screen when the dialog is 1464 // shown, and during rotation we save & restore the draft. If it's the 1465 // first save, we give it an ID at this point for the first time (and last time). 1466 // Which means it's possible for a draft to not have an ID in onDiscard(), 1467 // but here. 1468 mController.deleteMessage(mDraft.mId); 1469 } 1470 Utility.showToast(MessageCompose.this, R.string.message_discarded_toast); 1471 setMessageChanged(false); 1472 finish(); 1473 } 1474 1475 /** 1476 * Handles an explicit user-initiated action to save a draft. 1477 */ 1478 private void onSave() { 1479 saveIfNeeded(); 1480 } 1481 1482 private void showCcBccFieldsIfFilled() { 1483 if ((mCcView.length() > 0) || (mBccView.length() > 0)) { 1484 showCcBccFields(); 1485 } 1486 } 1487 1488 private void showCcBccFields() { 1489 mCcBccContainer.setVisibility(View.VISIBLE); 1490 UiUtilities.setVisibilitySafe(this, R.id.add_cc_bcc, View.INVISIBLE); 1491 invalidateOptionsMenu(); 1492 } 1493 1494 /** 1495 * Kick off a picker for whatever kind of MIME types we'll accept and let Android take over. 1496 */ 1497 private void onAddAttachment() { 1498 Intent i = new Intent(Intent.ACTION_GET_CONTENT); 1499 i.addCategory(Intent.CATEGORY_OPENABLE); 1500 i.setType(AttachmentUtilities.ACCEPTABLE_ATTACHMENT_SEND_UI_TYPES[0]); 1501 startActivityForResult( 1502 Intent.createChooser(i, getString(R.string.choose_attachment_dialog_title)), 1503 ACTIVITY_REQUEST_PICK_ATTACHMENT); 1504 } 1505 1506 private Attachment loadAttachmentInfo(Uri uri) { 1507 long size = -1; 1508 ContentResolver contentResolver = getContentResolver(); 1509 1510 // Load name & size independently, because not all providers support both 1511 final String name = Utility.getContentFileName(this, uri); 1512 1513 Cursor metadataCursor = contentResolver.query(uri, ATTACHMENT_META_SIZE_PROJECTION, 1514 null, null, null); 1515 if (metadataCursor != null) { 1516 try { 1517 if (metadataCursor.moveToFirst()) { 1518 size = metadataCursor.getLong(ATTACHMENT_META_SIZE_COLUMN_SIZE); 1519 } 1520 } finally { 1521 metadataCursor.close(); 1522 } 1523 } 1524 1525 // When the size is not provided, we need to determine it locally. 1526 if (size < 0) { 1527 // if the URI is a file: URI, ask file system for its size 1528 if ("file".equalsIgnoreCase(uri.getScheme())) { 1529 String path = uri.getPath(); 1530 if (path != null) { 1531 File file = new File(path); 1532 size = file.length(); // Returns 0 for file not found 1533 } 1534 } 1535 1536 if (size <= 0) { 1537 // The size was not measurable; This attachment is not safe to use. 1538 // Quick hack to force a relevant error into the UI 1539 // TODO: A proper announcement of the problem 1540 size = AttachmentUtilities.MAX_ATTACHMENT_UPLOAD_SIZE + 1; 1541 } 1542 } 1543 1544 Attachment attachment = new Attachment(); 1545 attachment.mFileName = name; 1546 attachment.mContentUri = uri.toString(); 1547 attachment.mSize = size; 1548 attachment.mMimeType = AttachmentUtilities.inferMimeTypeForUri(this, uri); 1549 return attachment; 1550 } 1551 1552 private void addAttachment(Attachment attachment) { 1553 // Before attaching the attachment, make sure it meets any other pre-attach criteria 1554 if (attachment.mSize > AttachmentUtilities.MAX_ATTACHMENT_UPLOAD_SIZE) { 1555 Toast.makeText(this, R.string.message_compose_attachment_size, Toast.LENGTH_LONG) 1556 .show(); 1557 return; 1558 } 1559 1560 mAttachments.add(attachment); 1561 updateAttachmentUi(); 1562 } 1563 1564 private void updateAttachmentUi() { 1565 mAttachmentContentView.removeAllViews(); 1566 1567 for (Attachment attachment : mAttachments) { 1568 // Note: allowDelete is set in two cases: 1569 // 1. First time a message (w/ attachments) is forwarded, 1570 // where action == ACTION_FORWARD 1571 // 2. 1 -> Save -> Reopen 1572 // but FLAG_SMART_FORWARD is already set at 1. 1573 // Even if the account supports smart-forward, attachments added 1574 // manually are still removable. 1575 final boolean allowDelete = (attachment.mFlags & Attachment.FLAG_SMART_FORWARD) == 0; 1576 1577 View view = getLayoutInflater().inflate(R.layout.message_compose_attachment, 1578 mAttachmentContentView, false); 1579 TextView nameView = UiUtilities.getView(view, R.id.attachment_name); 1580 ImageButton delete = UiUtilities.getView(view, R.id.attachment_delete); 1581 TextView sizeView = UiUtilities.getView(view, R.id.attachment_size); 1582 1583 nameView.setText(attachment.mFileName); 1584 if (attachment.mSize > 0) { 1585 sizeView.setText(UiUtilities.formatSize(this, attachment.mSize)); 1586 } else { 1587 sizeView.setVisibility(View.GONE); 1588 } 1589 if (allowDelete) { 1590 delete.setOnClickListener(this); 1591 delete.setTag(view); 1592 } else { 1593 delete.setVisibility(View.INVISIBLE); 1594 } 1595 view.setTag(attachment); 1596 mAttachmentContentView.addView(view); 1597 } 1598 updateAttachmentContainer(); 1599 } 1600 1601 private void updateAttachmentContainer() { 1602 mAttachmentContainer.setVisibility(mAttachmentContentView.getChildCount() == 0 1603 ? View.GONE : View.VISIBLE); 1604 } 1605 1606 private void addAttachmentFromUri(Uri uri) { 1607 addAttachment(loadAttachmentInfo(uri)); 1608 } 1609 1610 /** 1611 * Same as {@link #addAttachmentFromUri}, but does the mime-type check against 1612 * {@link AttachmentUtilities#ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES}. 1613 */ 1614 private void addAttachmentFromSendIntent(Uri uri) { 1615 final Attachment attachment = loadAttachmentInfo(uri); 1616 final String mimeType = attachment.mMimeType; 1617 if (!TextUtils.isEmpty(mimeType) && MimeUtility.mimeTypeMatches(mimeType, 1618 AttachmentUtilities.ACCEPTABLE_ATTACHMENT_SEND_INTENT_TYPES)) { 1619 addAttachment(attachment); 1620 } 1621 } 1622 1623 @Override 1624 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 1625 if (data == null) { 1626 return; 1627 } 1628 addAttachmentFromUri(data.getData()); 1629 setMessageChanged(true); 1630 } 1631 1632 private boolean includeQuotedText() { 1633 return mIncludeQuotedTextCheckBox.isChecked(); 1634 } 1635 1636 public void onClick(View view) { 1637 if (handleCommand(view.getId())) { 1638 return; 1639 } 1640 switch (view.getId()) { 1641 case R.id.attachment_delete: 1642 onDeleteAttachmentIconClicked(view); 1643 break; 1644 } 1645 } 1646 1647 private void setIncludeQuotedText(boolean include, boolean updateNeedsSaving) { 1648 mIncludeQuotedTextCheckBox.setChecked(include); 1649 mQuotedText.setVisibility(mIncludeQuotedTextCheckBox.isChecked() 1650 ? View.VISIBLE : View.GONE); 1651 if (updateNeedsSaving) { 1652 setMessageChanged(true); 1653 } 1654 } 1655 1656 private void onDeleteAttachmentIconClicked(View delButtonView) { 1657 View attachmentView = (View) delButtonView.getTag(); 1658 Attachment attachment = (Attachment) attachmentView.getTag(); 1659 deleteAttachment(mAttachments, attachment); 1660 updateAttachmentUi(); 1661 setMessageChanged(true); 1662 } 1663 1664 /** 1665 * Removes an attachment from the current message. 1666 * If the attachment has previous been saved in the db (i.e. this is a draft message which 1667 * has previously been saved), then the draft is deleted from the db. 1668 * 1669 * This does not update the UI to remove the attachment view. 1670 * @param attachments the list of attachments to delete from. Injected for tests. 1671 * @param attachment the attachment to delete 1672 */ 1673 private void deleteAttachment(List<Attachment> attachments, Attachment attachment) { 1674 attachments.remove(attachment); 1675 if ((attachment.mMessageKey == mDraft.mId) && attachment.isSaved()) { 1676 final long attachmentId = attachment.mId; 1677 EmailAsyncTask.runAsyncParallel(new Runnable() { 1678 @Override 1679 public void run() { 1680 mController.deleteAttachment(attachmentId); 1681 } 1682 }); 1683 } 1684 } 1685 1686 @Override 1687 public boolean onOptionsItemSelected(MenuItem item) { 1688 if (handleCommand(item.getItemId())) { 1689 return true; 1690 } 1691 return super.onOptionsItemSelected(item); 1692 } 1693 1694 private boolean handleCommand(int viewId) { 1695 switch (viewId) { 1696 case android.R.id.home: 1697 onActionBarHomePressed(); 1698 return true; 1699 case R.id.send: 1700 onSend(); 1701 return true; 1702 case R.id.save: 1703 onSave(); 1704 return true; 1705 case R.id.show_quick_text_list_dialog: 1706 showQuickResponseDialog(); 1707 return true; 1708 case R.id.discard: 1709 onDiscard(); 1710 return true; 1711 case R.id.include_quoted_text: 1712 // The checkbox is already toggled at this point. 1713 setIncludeQuotedText(mIncludeQuotedTextCheckBox.isChecked(), true); 1714 return true; 1715 case R.id.add_cc_bcc: 1716 showCcBccFields(); 1717 return true; 1718 case R.id.add_attachment: 1719 onAddAttachment(); 1720 return true; 1721 } 1722 return false; 1723 } 1724 1725 private void onActionBarHomePressed() { 1726 finish(); 1727 if (isOpenedFromWithinApp()) { 1728 // If opened from within the app, we just close it. 1729 } else { 1730 // Otherwise, need to open the main screen for the appropriate account. 1731 // Note that mAccount should always be set by the time the action bar is set up. 1732 startActivity(Welcome.createOpenAccountInboxIntent(this, mAccount.mId)); 1733 } 1734 } 1735 1736 private void setAction(String action) { 1737 if (Objects.equal(action, mAction)) { 1738 return; 1739 } 1740 1741 mAction = action; 1742 onActionChanged(); 1743 } 1744 1745 /** 1746 * Handles changing from reply/reply all/forward states. Note: this activity cannot transition 1747 * from a standard compose state to any of the other three states. 1748 */ 1749 private void onActionChanged() { 1750 if (!hasSourceMessage()) { 1751 return; 1752 } 1753 // Temporarily remove listeners so that changing action does not invalidate and save message 1754 removeListeners(); 1755 1756 processSourceMessage(mSource, mAccount); 1757 1758 // Note that the attachments might not be loaded yet, but this will safely noop 1759 // if that's the case, and the attachments will be processed when they load. 1760 if (processSourceMessageAttachments(mAttachments, mSourceAttachments, isForward())) { 1761 updateAttachmentUi(); 1762 setMessageChanged(true); 1763 } 1764 1765 updateActionSelector(); 1766 addListeners(); 1767 } 1768 1769 /** 1770 * Updates UI components that allows the user to switch between reply/reply all/forward. 1771 */ 1772 private void updateActionSelector() { 1773 // Update reply/reply all/forward switcher. 1774 if (shouldUseActionTabs()) { 1775 // Tab-based mode switching. 1776 ActionBar actionBar = getActionBar(); 1777 1778 if (actionBar.getTabCount() > 0) { 1779 actionBar.removeAllTabs(); 1780 } 1781 createAndAddTab(R.string.reply_action, ACTION_REPLY); 1782 createAndAddTab(R.string.reply_all_action, ACTION_REPLY_ALL); 1783 createAndAddTab(R.string.forward_action, ACTION_FORWARD); 1784 1785 actionBar.setDisplayShowTitleEnabled(false); 1786 actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); 1787 } else { 1788 // Spinner based mode switching. 1789 if (mActionSpinnerAdapter == null) { 1790 mActionSpinnerAdapter = new ActionSpinnerAdapter(this); 1791 mActionSpinner.setAdapter(mActionSpinnerAdapter); 1792 mActionSpinner.setOnItemSelectedListener(new OnItemSelectedListener() { 1793 @Override 1794 public void onItemSelected( 1795 AdapterView<?> parent, View view, int position, long id) { 1796 setAction(ActionSpinnerAdapter.getAction(position)); 1797 } 1798 1799 @Override 1800 public void onNothingSelected(AdapterView<?> parent) { 1801 // Should not happen. 1802 } 1803 }); 1804 } 1805 int position = mActionSpinnerAdapter.getPosition(mAction); 1806 mActionSpinner.setSelection(position); 1807 mActionSpinner.setVisibility(View.VISIBLE); 1808 } 1809 } 1810 1811 private final TabListener ACTION_TAB_LISTENER = new TabListener() { 1812 @Override public void onTabReselected(Tab tab, FragmentTransaction ft) {} 1813 @Override public void onTabUnselected(Tab tab, FragmentTransaction ft) {} 1814 1815 @Override 1816 public void onTabSelected(Tab tab, FragmentTransaction ft) { 1817 String action = (String) tab.getTag(); 1818 setAction(action); 1819 } 1820 }; 1821 1822 private static class ActionSpinnerAdapter extends ArrayAdapter<String> { 1823 public ActionSpinnerAdapter(final Context context) { 1824 super(context, 1825 android.R.layout.simple_spinner_dropdown_item, 1826 android.R.id.text1, 1827 Lists.newArrayList(ACTION_REPLY, ACTION_REPLY_ALL, ACTION_FORWARD)); 1828 } 1829 1830 @Override 1831 public View getDropDownView(int position, View convertView, ViewGroup parent) { 1832 View result = super.getDropDownView(position, convertView, parent); 1833 ((TextView) result.findViewById(android.R.id.text1)).setText(getDisplayValue(position)); 1834 return result; 1835 } 1836 1837 @Override 1838 public View getView(int position, View convertView, ViewGroup parent) { 1839 View result = super.getView(position, convertView, parent); 1840 ((TextView) result.findViewById(android.R.id.text1)).setText(getDisplayValue(position)); 1841 return result; 1842 } 1843 1844 private String getDisplayValue(int position) { 1845 switch (position) { 1846 case 0: 1847 return getContext().getString(R.string.reply_action); 1848 case 1: 1849 return getContext().getString(R.string.reply_all_action); 1850 case 2: 1851 return getContext().getString(R.string.forward_action); 1852 default: 1853 throw new IllegalArgumentException("Invalid action type for spinner"); 1854 } 1855 } 1856 1857 public static String getAction(int position) { 1858 switch (position) { 1859 case 0: 1860 return ACTION_REPLY; 1861 case 1: 1862 return ACTION_REPLY_ALL; 1863 case 2: 1864 return ACTION_FORWARD; 1865 default: 1866 throw new IllegalArgumentException("Invalid action type for spinner"); 1867 } 1868 } 1869 1870 } 1871 1872 private Tab createAndAddTab(int labelResource, final String action) { 1873 ActionBar.Tab tab = getActionBar().newTab(); 1874 boolean selected = mAction.equals(action); 1875 tab.setTag(action); 1876 tab.setText(getString(labelResource)); 1877 tab.setTabListener(ACTION_TAB_LISTENER); 1878 getActionBar().addTab(tab, selected); 1879 return tab; 1880 } 1881 1882 private boolean shouldUseActionTabs() { 1883 return getResources().getBoolean(R.bool.message_compose_action_tabs); 1884 } 1885 1886 @Override 1887 public boolean onCreateOptionsMenu(Menu menu) { 1888 super.onCreateOptionsMenu(menu); 1889 getMenuInflater().inflate(R.menu.message_compose_option, menu); 1890 return true; 1891 } 1892 1893 @Override 1894 public boolean onPrepareOptionsMenu(Menu menu) { 1895 menu.findItem(R.id.save).setEnabled(mDraftNeedsSaving); 1896 MenuItem addCcBcc = menu.findItem(R.id.add_cc_bcc); 1897 if (addCcBcc != null) { 1898 // Only available on phones. 1899 addCcBcc.setVisible( 1900 (mCcBccContainer == null) || (mCcBccContainer.getVisibility() != View.VISIBLE)); 1901 } 1902 MenuItem insertQuickResponse = menu.findItem(R.id.show_quick_text_list_dialog); 1903 insertQuickResponse.setVisible(mQuickResponsesAvailable); 1904 insertQuickResponse.setEnabled(mQuickResponsesAvailable); 1905 return true; 1906 } 1907 1908 /** 1909 * Set a message body and a signature when the Activity is launched. 1910 * 1911 * @param text the message body 1912 */ 1913 @VisibleForTesting 1914 void setInitialComposeText(CharSequence text, String signature) { 1915 mMessageContentView.setText(""); 1916 int textLength = 0; 1917 if (text != null) { 1918 mMessageContentView.append(text); 1919 textLength = text.length(); 1920 } 1921 if (!TextUtils.isEmpty(signature)) { 1922 if (textLength == 0 || text.charAt(textLength - 1) != '\n') { 1923 mMessageContentView.append("\n"); 1924 } 1925 mMessageContentView.append(signature); 1926 1927 // Reset cursor to right before the signature. 1928 mMessageContentView.setSelection(textLength); 1929 } 1930 } 1931 1932 /** 1933 * Fill all the widgets with the content found in the Intent Extra, if any. 1934 * 1935 * Note that we don't actually check the intent action (typically VIEW, SENDTO, or SEND). 1936 * There is enough overlap in the definitions that it makes more sense to simply check for 1937 * all available data and use as much of it as possible. 1938 * 1939 * With one exception: EXTRA_STREAM is defined as only valid for ACTION_SEND. 1940 * 1941 * @param intent the launch intent 1942 */ 1943 @VisibleForTesting 1944 void initFromIntent(Intent intent) { 1945 1946 setAccount(intent); 1947 1948 // First, add values stored in top-level extras 1949 String[] extraStrings = intent.getStringArrayExtra(Intent.EXTRA_EMAIL); 1950 if (extraStrings != null) { 1951 addAddresses(mToView, extraStrings); 1952 } 1953 extraStrings = intent.getStringArrayExtra(Intent.EXTRA_CC); 1954 if (extraStrings != null) { 1955 addAddresses(mCcView, extraStrings); 1956 } 1957 extraStrings = intent.getStringArrayExtra(Intent.EXTRA_BCC); 1958 if (extraStrings != null) { 1959 addAddresses(mBccView, extraStrings); 1960 } 1961 String extraString = intent.getStringExtra(Intent.EXTRA_SUBJECT); 1962 if (extraString != null) { 1963 mSubjectView.setText(extraString); 1964 } 1965 1966 // Next, if we were invoked with a URI, try to interpret it 1967 // We'll take two courses here. If it's mailto:, there is a specific set of rules 1968 // that define various optional fields. However, for any other scheme, we'll simply 1969 // take the entire scheme-specific part and interpret it as a possible list of addresses. 1970 final Uri dataUri = intent.getData(); 1971 if (dataUri != null) { 1972 if ("mailto".equals(dataUri.getScheme())) { 1973 initializeFromMailTo(dataUri.toString()); 1974 } else { 1975 String toText = dataUri.getSchemeSpecificPart(); 1976 if (toText != null) { 1977 addAddresses(mToView, toText.split(",")); 1978 } 1979 } 1980 } 1981 1982 // Next, fill in the plaintext (note, this will override mailto:?body=) 1983 CharSequence text = intent.getCharSequenceExtra(Intent.EXTRA_TEXT); 1984 setInitialComposeText(text, getAccountSignature(mAccount)); 1985 1986 // Next, convert EXTRA_STREAM into an attachment 1987 if (Intent.ACTION_SEND.equals(mAction) && intent.hasExtra(Intent.EXTRA_STREAM)) { 1988 Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM); 1989 if (uri != null) { 1990 addAttachmentFromSendIntent(uri); 1991 } 1992 } 1993 1994 if (Intent.ACTION_SEND_MULTIPLE.equals(mAction) 1995 && intent.hasExtra(Intent.EXTRA_STREAM)) { 1996 ArrayList<Parcelable> list = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM); 1997 if (list != null) { 1998 for (Parcelable parcelable : list) { 1999 Uri uri = (Uri) parcelable; 2000 if (uri != null) { 2001 addAttachmentFromSendIntent(uri); 2002 } 2003 } 2004 } 2005 } 2006 2007 // Finally - expose fields that were filled in but are normally hidden, and set focus 2008 showCcBccFieldsIfFilled(); 2009 setNewMessageFocus(); 2010 } 2011 2012 /** 2013 * When we are launched with an intent that includes a mailto: URI, we can actually 2014 * gather quite a few of our message fields from it. 2015 * 2016 * @param mailToString the href (which must start with "mailto:"). 2017 */ 2018 private void initializeFromMailTo(String mailToString) { 2019 2020 // Chop up everything between mailto: and ? to find recipients 2021 int index = mailToString.indexOf("?"); 2022 int length = "mailto".length() + 1; 2023 String to; 2024 try { 2025 // Extract the recipient after mailto: 2026 if (index == -1) { 2027 to = decode(mailToString.substring(length)); 2028 } else { 2029 to = decode(mailToString.substring(length, index)); 2030 } 2031 addAddresses(mToView, to.split(" ,")); 2032 } catch (UnsupportedEncodingException e) { 2033 Log.e(Logging.LOG_TAG, e.getMessage() + " while decoding '" + mailToString + "'"); 2034 } 2035 2036 // Extract the other parameters 2037 2038 // We need to disguise this string as a URI in order to parse it 2039 Uri uri = Uri.parse("foo://" + mailToString); 2040 2041 List<String> cc = uri.getQueryParameters("cc"); 2042 addAddresses(mCcView, cc.toArray(new String[cc.size()])); 2043 2044 List<String> otherTo = uri.getQueryParameters("to"); 2045 addAddresses(mCcView, otherTo.toArray(new String[otherTo.size()])); 2046 2047 List<String> bcc = uri.getQueryParameters("bcc"); 2048 addAddresses(mBccView, bcc.toArray(new String[bcc.size()])); 2049 2050 List<String> subject = uri.getQueryParameters("subject"); 2051 if (subject.size() > 0) { 2052 mSubjectView.setText(subject.get(0)); 2053 } 2054 2055 List<String> body = uri.getQueryParameters("body"); 2056 if (body.size() > 0) { 2057 setInitialComposeText(body.get(0), getAccountSignature(mAccount)); 2058 } 2059 } 2060 2061 private String decode(String s) throws UnsupportedEncodingException { 2062 return URLDecoder.decode(s, "UTF-8"); 2063 } 2064 2065 /** 2066 * Displays quoted text from the original email 2067 */ 2068 private void displayQuotedText(String textBody, String htmlBody) { 2069 // Only use plain text if there is no HTML body 2070 boolean plainTextFlag = TextUtils.isEmpty(htmlBody); 2071 String text = plainTextFlag ? textBody : htmlBody; 2072 if (text != null) { 2073 text = plainTextFlag ? EmailHtmlUtil.escapeCharacterToDisplay(text) : text; 2074 // TODO: re-enable EmailHtmlUtil.resolveInlineImage() for HTML 2075 // EmailHtmlUtil.resolveInlineImage(getContentResolver(), mAccount, 2076 // text, message, 0); 2077 mQuotedTextBar.setVisibility(View.VISIBLE); 2078 if (mQuotedText != null) { 2079 mQuotedText.loadDataWithBaseURL("email://", text, "text/html", "utf-8", null); 2080 } 2081 } 2082 } 2083 2084 /** 2085 * Given a packed address String, the address of our sending account, a view, and a list of 2086 * addressees already added to other addressing views, adds unique addressees that don't 2087 * match our address to the passed in view 2088 */ 2089 private static boolean safeAddAddresses(String addrs, String ourAddress, 2090 MultiAutoCompleteTextView view, ArrayList<Address> addrList) { 2091 boolean added = false; 2092 for (Address address : Address.unpack(addrs)) { 2093 // Don't send to ourselves or already-included addresses 2094 if (!address.getAddress().equalsIgnoreCase(ourAddress) && !addrList.contains(address)) { 2095 addrList.add(address); 2096 addAddress(view, address.toString()); 2097 added = true; 2098 } 2099 } 2100 return added; 2101 } 2102 2103 /** 2104 * Set up the to and cc views properly for the "reply" and "replyAll" cases. What's important 2105 * is that we not 1) send to ourselves, and 2) duplicate addressees. 2106 * @param message the message we're replying to 2107 * @param account the account we're sending from 2108 * @param replyAll whether this is a replyAll (vs a reply) 2109 */ 2110 @VisibleForTesting 2111 void setupAddressViews(Message message, Account account, boolean replyAll) { 2112 // Start clean. 2113 clearAddressViews(); 2114 2115 // If Reply-to: addresses are included, use those; otherwise, use the From: address. 2116 Address[] replyToAddresses = Address.unpack(message.mReplyTo); 2117 if (replyToAddresses.length == 0) { 2118 replyToAddresses = Address.unpack(message.mFrom); 2119 } 2120 2121 // Check if ourAddress is one of the replyToAddresses to decide how to populate To: field 2122 String ourAddress = account.mEmailAddress; 2123 boolean containsOurAddress = false; 2124 for (Address address : replyToAddresses) { 2125 if (ourAddress.equalsIgnoreCase(address.getAddress())) { 2126 containsOurAddress = true; 2127 break; 2128 } 2129 } 2130 2131 if (containsOurAddress) { 2132 addAddresses(mToView, message.mTo); 2133 } else { 2134 addAddresses(mToView, replyToAddresses); 2135 } 2136 2137 if (replyAll) { 2138 // Keep a running list of addresses we're sending to 2139 ArrayList<Address> allAddresses = new ArrayList<Address>(); 2140 for (Address address: replyToAddresses) { 2141 allAddresses.add(address); 2142 } 2143 2144 if (!containsOurAddress) { 2145 safeAddAddresses(message.mTo, ourAddress, mCcView, allAddresses); 2146 } 2147 2148 safeAddAddresses(message.mCc, ourAddress, mCcView, allAddresses); 2149 } 2150 showCcBccFieldsIfFilled(); 2151 } 2152 2153 private void clearAddressViews() { 2154 mToView.setText(""); 2155 mCcView.setText(""); 2156 mBccView.setText(""); 2157 } 2158 2159 /** 2160 * Pull out the parts of the now loaded source message and apply them to the new message 2161 * depending on the type of message being composed. 2162 */ 2163 @VisibleForTesting 2164 void processSourceMessage(Message message, Account account) { 2165 String subject = message.mSubject; 2166 if (subject == null) { 2167 subject = ""; 2168 } 2169 if (ACTION_REPLY.equals(mAction) || ACTION_REPLY_ALL.equals(mAction)) { 2170 setupAddressViews(message, account, ACTION_REPLY_ALL.equals(mAction)); 2171 if (!subject.toLowerCase().startsWith("re:")) { 2172 mSubjectView.setText("Re: " + subject); 2173 } else { 2174 mSubjectView.setText(subject); 2175 } 2176 displayQuotedText(message.mText, message.mHtml); 2177 setIncludeQuotedText(true, false); 2178 } else if (ACTION_FORWARD.equals(mAction)) { 2179 clearAddressViews(); 2180 mSubjectView.setText(!subject.toLowerCase().startsWith("fwd:") 2181 ? "Fwd: " + subject : subject); 2182 displayQuotedText(message.mText, message.mHtml); 2183 setIncludeQuotedText(true, false); 2184 } else { 2185 Log.w(Logging.LOG_TAG, "Unexpected action for a call to processSourceMessage " 2186 + mAction); 2187 } 2188 showCcBccFieldsIfFilled(); 2189 setNewMessageFocus(); 2190 } 2191 2192 /** 2193 * Processes the source attachments and ensures they're either included or excluded from 2194 * a list of active attachments. This can be used to add attachments for a forwarded message, or 2195 * to remove them if going from a "Forward" to a "Reply" 2196 * Uniqueness is based on filename. 2197 * 2198 * @param current the list of active attachments on the current message. Injected for tests. 2199 * @param sourceAttachments the list of attachments related with the source message. Injected 2200 * for tests. 2201 * @param include whether or not the sourceMessages should be included or excluded from the 2202 * current list of active attachments 2203 * @return whether or not the current attachments were modified 2204 */ 2205 @VisibleForTesting 2206 boolean processSourceMessageAttachments( 2207 List<Attachment> current, List<Attachment> sourceAttachments, boolean include) { 2208 2209 // Build a map of filename to the active attachments. 2210 HashMap<String, Attachment> currentNames = new HashMap<String, Attachment>(); 2211 for (Attachment attachment : current) { 2212 currentNames.put(attachment.mFileName, attachment); 2213 } 2214 2215 boolean dirty = false; 2216 if (include) { 2217 // Needs to make sure it's in the list. 2218 for (Attachment attachment : sourceAttachments) { 2219 if (!currentNames.containsKey(attachment.mFileName)) { 2220 current.add(attachment); 2221 dirty = true; 2222 } 2223 } 2224 } else { 2225 // Need to remove the source attachments. 2226 HashSet<String> sourceNames = new HashSet<String>(); 2227 for (Attachment attachment : sourceAttachments) { 2228 if (currentNames.containsKey(attachment.mFileName)) { 2229 deleteAttachment(current, currentNames.get(attachment.mFileName)); 2230 dirty = true; 2231 } 2232 } 2233 } 2234 2235 return dirty; 2236 } 2237 2238 /** 2239 * Set a cursor to the end of a body except a signature. 2240 */ 2241 @VisibleForTesting 2242 void setMessageContentSelection(String signature) { 2243 int selection = mMessageContentView.length(); 2244 if (!TextUtils.isEmpty(signature)) { 2245 int signatureLength = signature.length(); 2246 int estimatedSelection = selection - signatureLength; 2247 if (estimatedSelection >= 0) { 2248 CharSequence text = mMessageContentView.getText(); 2249 int i = 0; 2250 while (i < signatureLength 2251 && text.charAt(estimatedSelection + i) == signature.charAt(i)) { 2252 ++i; 2253 } 2254 if (i == signatureLength) { 2255 selection = estimatedSelection; 2256 while (selection > 0 && text.charAt(selection - 1) == '\n') { 2257 --selection; 2258 } 2259 } 2260 } 2261 } 2262 mMessageContentView.setSelection(selection, selection); 2263 } 2264 2265 /** 2266 * In order to accelerate typing, position the cursor in the first empty field, 2267 * or at the end of the body composition field if none are empty. Typically, this will 2268 * play out as follows: 2269 * Reply / Reply All - put cursor in the empty message body 2270 * Forward - put cursor in the empty To field 2271 * Edit Draft - put cursor in whatever field still needs entry 2272 */ 2273 private void setNewMessageFocus() { 2274 if (mToView.length() == 0) { 2275 mToView.requestFocus(); 2276 } else if (mSubjectView.length() == 0) { 2277 mSubjectView.requestFocus(); 2278 } else { 2279 mMessageContentView.requestFocus(); 2280 } 2281 } 2282 2283 private boolean isForward() { 2284 return ACTION_FORWARD.equals(mAction); 2285 } 2286 2287 /** 2288 * @return the signature for the specified account, if non-null. If the account specified is 2289 * null or has no signature, {@code null} is returned. 2290 */ 2291 private static String getAccountSignature(Account account) { 2292 return (account == null) ? null : account.mSignature; 2293 } 2294} 2295