1 /** 2 * Copyright (c) 2012, Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.mail.providers; 18 19 import android.content.AsyncQueryHandler; 20 import android.content.ContentValues; 21 import android.content.Context; 22 import android.database.Cursor; 23 import android.net.Uri; 24 import android.os.Parcel; 25 import android.os.Parcelable; 26 import android.provider.BaseColumns; 27 import android.text.Html; 28 import android.text.SpannableString; 29 import android.text.TextUtils; 30 import android.text.util.Linkify; 31 import android.text.util.Rfc822Token; 32 import android.text.util.Rfc822Tokenizer; 33 34 import com.android.emailcommon.internet.MimeHeader; 35 import com.android.emailcommon.internet.MimeMessage; 36 import com.android.emailcommon.internet.MimeUtility; 37 import com.android.emailcommon.mail.Address; 38 import com.android.emailcommon.mail.MessagingException; 39 import com.android.emailcommon.mail.Part; 40 import com.android.emailcommon.utility.ConversionUtilities; 41 import com.android.mail.providers.UIProvider.MessageColumns; 42 import com.android.mail.ui.HtmlMessage; 43 import com.android.mail.utils.HtmlSanitizer; 44 import com.android.mail.utils.Utils; 45 import com.google.common.annotations.VisibleForTesting; 46 import com.google.common.base.Objects; 47 import com.google.common.collect.Lists; 48 49 import java.util.ArrayList; 50 import java.util.Collections; 51 import java.util.Date; 52 import java.util.List; 53 import java.util.regex.Pattern; 54 55 56 public class Message implements Parcelable, HtmlMessage { 57 /** 58 * Regex pattern used to look for any inline images in message bodies, including Gmail-hosted 59 * relative-URL images, Gmail emoticons, and any external inline images (although we usually 60 * count on the server to detect external images). 61 */ 62 private static Pattern INLINE_IMAGE_PATTERN = Pattern.compile("<img\\s+[^>]*src=", 63 Pattern.CASE_INSENSITIVE | Pattern.MULTILINE); 64 65 // regex that matches content id surrounded by "<>" optionally. 66 private static final Pattern REMOVE_OPTIONAL_BRACKETS = Pattern.compile("^<?([^>]+)>?$"); 67 68 /** 69 * @see BaseColumns#_ID 70 */ 71 public long id; 72 /** 73 * @see UIProvider.MessageColumns#SERVER_ID 74 */ 75 public String serverId; 76 /** 77 * @see UIProvider.MessageColumns#URI 78 */ 79 public Uri uri; 80 /** 81 * @see UIProvider.MessageColumns#CONVERSATION_ID 82 */ 83 public Uri conversationUri; 84 /** 85 * @see UIProvider.MessageColumns#SUBJECT 86 */ 87 public String subject; 88 /** 89 * @see UIProvider.MessageColumns#SNIPPET 90 */ 91 public String snippet; 92 /** 93 * @see UIProvider.MessageColumns#FROM 94 */ 95 private String mFrom; 96 /** 97 * @see UIProvider.MessageColumns#TO 98 */ 99 private String mTo; 100 /** 101 * @see UIProvider.MessageColumns#CC 102 */ 103 private String mCc; 104 /** 105 * @see UIProvider.MessageColumns#BCC 106 */ 107 private String mBcc; 108 /** 109 * @see UIProvider.MessageColumns#REPLY_TO 110 */ 111 private String mReplyTo; 112 /** 113 * @see UIProvider.MessageColumns#DATE_RECEIVED_MS 114 */ 115 public long dateReceivedMs; 116 /** 117 * @see UIProvider.MessageColumns#BODY_HTML 118 */ 119 public String bodyHtml; 120 /** 121 * @see UIProvider.MessageColumns#BODY_TEXT 122 */ 123 public String bodyText; 124 /** 125 * @see UIProvider.MessageColumns#EMBEDS_EXTERNAL_RESOURCES 126 */ 127 public boolean embedsExternalResources; 128 /** 129 * @see UIProvider.MessageColumns#REF_MESSAGE_ID 130 */ 131 public Uri refMessageUri; 132 /** 133 * @see UIProvider.MessageColumns#DRAFT_TYPE 134 */ 135 public int draftType; 136 /** 137 * @see UIProvider.MessageColumns#APPEND_REF_MESSAGE_CONTENT 138 */ 139 public boolean appendRefMessageContent; 140 /** 141 * @see UIProvider.MessageColumns#HAS_ATTACHMENTS 142 */ 143 public boolean hasAttachments; 144 /** 145 * @see UIProvider.MessageColumns#ATTACHMENT_LIST_URI 146 */ 147 public Uri attachmentListUri; 148 /** 149 * @see UIProvider.MessageColumns#ATTACHMENT_BY_CID_URI 150 */ 151 public Uri attachmentByCidUri; 152 /** 153 * @see UIProvider.MessageColumns#MESSAGE_FLAGS 154 */ 155 public long messageFlags; 156 /** 157 * @see UIProvider.MessageColumns#ALWAYS_SHOW_IMAGES 158 */ 159 public boolean alwaysShowImages; 160 /** 161 * @see UIProvider.MessageColumns#READ 162 */ 163 public boolean read; 164 /** 165 * @see UIProvider.MessageColumns#SEEN 166 */ 167 public boolean seen; 168 /** 169 * @see UIProvider.MessageColumns#STARRED 170 */ 171 public boolean starred; 172 /** 173 * @see UIProvider.MessageColumns#QUOTE_START_POS 174 */ 175 public int quotedTextOffset; 176 /** 177 * @see UIProvider.MessageColumns#ATTACHMENTS 178 *<p> 179 * N.B. this value is NOT immutable and may change during conversation view render. 180 */ 181 public String attachmentsJson; 182 /** 183 * @see UIProvider.MessageColumns#MESSAGE_ACCOUNT_URI 184 */ 185 public Uri accountUri; 186 /** 187 * @see UIProvider.MessageColumns#EVENT_INTENT_URI 188 */ 189 public Uri eventIntentUri; 190 /** 191 * @see UIProvider.MessageColumns#SPAM_WARNING_STRING 192 */ 193 public String spamWarningString; 194 /** 195 * @see UIProvider.MessageColumns#SPAM_WARNING_LEVEL 196 */ 197 public int spamWarningLevel; 198 /** 199 * @see UIProvider.MessageColumns#SPAM_WARNING_LINK_TYPE 200 */ 201 public int spamLinkType; 202 /** 203 * @see UIProvider.MessageColumns#VIA_DOMAIN 204 */ 205 public String viaDomain; 206 /** 207 * @see UIProvider.MessageColumns#SENDING_STATE 208 */ 209 public int sendingState; 210 211 /** 212 * @see UIProvider.MessageColumns#CLIPPED 213 */ 214 public boolean clipped; 215 /** 216 * @see UIProvider.MessageColumns#PERMALINK 217 */ 218 public String permalink; 219 220 private transient String[] mFromAddresses = null; 221 private transient String[] mToAddresses = null; 222 private transient String[] mCcAddresses = null; 223 private transient String[] mBccAddresses = null; 224 private transient String[] mReplyToAddresses = null; 225 226 private transient List<Attachment> mAttachments = null; 227 228 @Override 229 public int describeContents() { 230 return 0; 231 } 232 233 @Override 234 public boolean equals(Object o) { 235 return this == o || (o != null && o instanceof Message 236 && Objects.equal(uri, ((Message) o).uri)); 237 } 238 239 @Override 240 public int hashCode() { 241 return uri == null ? 0 : uri.hashCode(); 242 } 243 244 /** 245 * Helper equality function to check if the two Message objects are equal in terms of 246 * the fields that the user can input from ComposeActivity. This is primarily used to 247 * ensure draft preview/composition are synced. 248 * @param o the Message being compared to 249 * @return True if they are equal in fields, false otherwise 250 */ 251 public boolean isEqual(Message o) { 252 return TextUtils.equals(this.getFrom(), o.getFrom()) && 253 this.sendingState == o.sendingState && 254 TextUtils.equals(this.getTo(), o.getTo()) && 255 TextUtils.equals(this.getCc(), o.getCc()) && 256 TextUtils.equals(this.getBcc(), o.getBcc()) && 257 TextUtils.equals(this.subject, o.subject) && 258 TextUtils.equals(this.bodyHtml, o.bodyHtml) && 259 TextUtils.equals(this.bodyText, o.bodyText) && 260 Objects.equal(this.attachmentListUri, o.attachmentListUri) && 261 Objects.equal(getAttachments(), o.getAttachments()); 262 } 263 264 @Override 265 public void writeToParcel(Parcel dest, int flags) { 266 dest.writeLong(id); 267 dest.writeString(serverId); 268 dest.writeParcelable(uri, 0); 269 dest.writeParcelable(conversationUri, 0); 270 dest.writeString(subject); 271 dest.writeString(snippet); 272 dest.writeString(mFrom); 273 dest.writeString(mTo); 274 dest.writeString(mCc); 275 dest.writeString(mBcc); 276 dest.writeString(mReplyTo); 277 dest.writeLong(dateReceivedMs); 278 dest.writeString(bodyHtml); 279 dest.writeString(bodyText); 280 dest.writeInt(embedsExternalResources ? 1 : 0); 281 dest.writeParcelable(refMessageUri, 0); 282 dest.writeInt(draftType); 283 dest.writeInt(appendRefMessageContent ? 1 : 0); 284 dest.writeInt(hasAttachments ? 1 : 0); 285 dest.writeParcelable(attachmentListUri, 0); 286 dest.writeLong(messageFlags); 287 dest.writeInt(alwaysShowImages ? 1 : 0); 288 dest.writeInt(quotedTextOffset); 289 dest.writeString(attachmentsJson); 290 dest.writeParcelable(accountUri, 0); 291 dest.writeParcelable(eventIntentUri, 0); 292 dest.writeString(spamWarningString); 293 dest.writeInt(spamWarningLevel); 294 dest.writeInt(spamLinkType); 295 dest.writeString(viaDomain); 296 dest.writeInt(sendingState); 297 dest.writeInt(clipped ? 1 : 0); 298 dest.writeString(permalink); 299 } 300 301 private Message(Parcel in) { 302 id = in.readLong(); 303 serverId = in.readString(); 304 uri = in.readParcelable(null); 305 conversationUri = in.readParcelable(null); 306 subject = in.readString(); 307 snippet = in.readString(); 308 mFrom = in.readString(); 309 mTo = in.readString(); 310 mCc = in.readString(); 311 mBcc = in.readString(); 312 mReplyTo = in.readString(); 313 dateReceivedMs = in.readLong(); 314 bodyHtml = in.readString(); 315 bodyText = in.readString(); 316 embedsExternalResources = in.readInt() != 0; 317 refMessageUri = in.readParcelable(null); 318 draftType = in.readInt(); 319 appendRefMessageContent = in.readInt() != 0; 320 hasAttachments = in.readInt() != 0; 321 attachmentListUri = in.readParcelable(null); 322 messageFlags = in.readLong(); 323 alwaysShowImages = in.readInt() != 0; 324 quotedTextOffset = in.readInt(); 325 attachmentsJson = in.readString(); 326 accountUri = in.readParcelable(null); 327 eventIntentUri = in.readParcelable(null); 328 spamWarningString = in.readString(); 329 spamWarningLevel = in.readInt(); 330 spamLinkType = in.readInt(); 331 viaDomain = in.readString(); 332 sendingState = in.readInt(); 333 clipped = in.readInt() != 0; 334 permalink = in.readString(); 335 } 336 337 public Message() { 338 339 } 340 341 @Override 342 public String toString() { 343 return "[message id=" + id + "]"; 344 } 345 346 public static final Creator<Message> CREATOR = new Creator<Message>() { 347 348 @Override 349 public Message createFromParcel(Parcel source) { 350 return new Message(source); 351 } 352 353 @Override 354 public Message[] newArray(int size) { 355 return new Message[size]; 356 } 357 358 }; 359 360 public Message(Cursor cursor) { 361 if (cursor != null) { 362 id = cursor.getLong(UIProvider.MESSAGE_ID_COLUMN); 363 serverId = cursor.getString(UIProvider.MESSAGE_SERVER_ID_COLUMN); 364 final String messageUriStr = cursor.getString(UIProvider.MESSAGE_URI_COLUMN); 365 uri = !TextUtils.isEmpty(messageUriStr) ? Uri.parse(messageUriStr) : null; 366 final String convUriStr = cursor.getString(UIProvider.MESSAGE_CONVERSATION_URI_COLUMN); 367 conversationUri = !TextUtils.isEmpty(convUriStr) ? Uri.parse(convUriStr) : null; 368 subject = cursor.getString(UIProvider.MESSAGE_SUBJECT_COLUMN); 369 snippet = cursor.getString(UIProvider.MESSAGE_SNIPPET_COLUMN); 370 mFrom = cursor.getString(UIProvider.MESSAGE_FROM_COLUMN); 371 mTo = cursor.getString(UIProvider.MESSAGE_TO_COLUMN); 372 mCc = cursor.getString(UIProvider.MESSAGE_CC_COLUMN); 373 mBcc = cursor.getString(UIProvider.MESSAGE_BCC_COLUMN); 374 mReplyTo = cursor.getString(UIProvider.MESSAGE_REPLY_TO_COLUMN); 375 dateReceivedMs = cursor.getLong(UIProvider.MESSAGE_DATE_RECEIVED_MS_COLUMN); 376 bodyHtml = cursor.getString(UIProvider.MESSAGE_BODY_HTML_COLUMN); 377 bodyText = cursor.getString(UIProvider.MESSAGE_BODY_TEXT_COLUMN); 378 embedsExternalResources = cursor 379 .getInt(UIProvider.MESSAGE_EMBEDS_EXTERNAL_RESOURCES_COLUMN) != 0; 380 final String refMessageUriStr = 381 cursor.getString(UIProvider.MESSAGE_REF_MESSAGE_URI_COLUMN); 382 refMessageUri = !TextUtils.isEmpty(refMessageUriStr) ? 383 Uri.parse(refMessageUriStr) : null; 384 draftType = cursor.getInt(UIProvider.MESSAGE_DRAFT_TYPE_COLUMN); 385 appendRefMessageContent = cursor 386 .getInt(UIProvider.MESSAGE_APPEND_REF_MESSAGE_CONTENT_COLUMN) != 0; 387 hasAttachments = cursor.getInt(UIProvider.MESSAGE_HAS_ATTACHMENTS_COLUMN) != 0; 388 final String attachmentsUri = cursor 389 .getString(UIProvider.MESSAGE_ATTACHMENT_LIST_URI_COLUMN); 390 attachmentListUri = hasAttachments && !TextUtils.isEmpty(attachmentsUri) ? Uri 391 .parse(attachmentsUri) : null; 392 final String attachmentsByCidUri = cursor 393 .getString(UIProvider.MESSAGE_ATTACHMENT_BY_CID_URI_COLUMN); 394 attachmentByCidUri = hasAttachments && !TextUtils.isEmpty(attachmentsByCidUri) ? 395 Uri.parse(attachmentsByCidUri) : null; 396 messageFlags = cursor.getLong(UIProvider.MESSAGE_FLAGS_COLUMN); 397 alwaysShowImages = cursor.getInt(UIProvider.MESSAGE_ALWAYS_SHOW_IMAGES_COLUMN) != 0; 398 read = cursor.getInt(UIProvider.MESSAGE_READ_COLUMN) != 0; 399 seen = cursor.getInt(UIProvider.MESSAGE_SEEN_COLUMN) != 0; 400 starred = cursor.getInt(UIProvider.MESSAGE_STARRED_COLUMN) != 0; 401 quotedTextOffset = cursor.getInt(UIProvider.QUOTED_TEXT_OFFSET_COLUMN); 402 attachmentsJson = cursor.getString(UIProvider.MESSAGE_ATTACHMENTS_COLUMN); 403 String accountUriString = cursor.getString(UIProvider.MESSAGE_ACCOUNT_URI_COLUMN); 404 accountUri = !TextUtils.isEmpty(accountUriString) ? Uri.parse(accountUriString) : null; 405 eventIntentUri = 406 Utils.getValidUri(cursor.getString(UIProvider.MESSAGE_EVENT_INTENT_COLUMN)); 407 spamWarningString = 408 cursor.getString(UIProvider.MESSAGE_SPAM_WARNING_STRING_ID_COLUMN); 409 spamWarningLevel = cursor.getInt(UIProvider.MESSAGE_SPAM_WARNING_LEVEL_COLUMN); 410 spamLinkType = cursor.getInt(UIProvider.MESSAGE_SPAM_WARNING_LINK_TYPE_COLUMN); 411 viaDomain = cursor.getString(UIProvider.MESSAGE_VIA_DOMAIN_COLUMN); 412 sendingState = cursor.getInt(UIProvider.MESSAGE_SENDING_STATE_COLUMN); 413 clipped = cursor.getInt(UIProvider.MESSAGE_CLIPPED_COLUMN) != 0; 414 permalink = cursor.getString(UIProvider.MESSAGE_PERMALINK_COLUMN); 415 } 416 } 417 418 /** 419 * This constructor exists solely to generate Message objects from .eml attachments. 420 */ 421 public Message(Context context, MimeMessage mimeMessage, Uri emlFileUri) 422 throws MessagingException { 423 // Set message header values. 424 setFrom(Address.toHeader(mimeMessage.getFrom())); 425 setTo(Address.toHeader(mimeMessage.getRecipients( 426 com.android.emailcommon.mail.Message.RecipientType.TO))); 427 setCc(Address.toHeader(mimeMessage.getRecipients( 428 com.android.emailcommon.mail.Message.RecipientType.CC))); 429 setBcc(Address.toHeader(mimeMessage.getRecipients( 430 com.android.emailcommon.mail.Message.RecipientType.BCC))); 431 setReplyTo(Address.toHeader(mimeMessage.getReplyTo())); 432 subject = mimeMessage.getSubject(); 433 434 final Date sentDate = mimeMessage.getSentDate(); 435 final Date internalDate = mimeMessage.getInternalDate(); 436 if (sentDate != null) { 437 dateReceivedMs = sentDate.getTime(); 438 } else if (internalDate != null) { 439 dateReceivedMs = internalDate.getTime(); 440 } else { 441 dateReceivedMs = System.currentTimeMillis(); 442 } 443 444 // for now, always set defaults 445 alwaysShowImages = false; 446 viaDomain = null; 447 draftType = UIProvider.DraftType.NOT_A_DRAFT; 448 sendingState = UIProvider.ConversationSendingState.OTHER; 449 starred = false; 450 spamWarningString = null; 451 messageFlags = 0; 452 clipped = false; 453 permalink = null; 454 hasAttachments = false; 455 456 // body values (snippet/bodyText/bodyHtml) 457 // Now process body parts & attachments 458 ArrayList<Part> viewables = new ArrayList<Part>(); 459 ArrayList<Part> attachments = new ArrayList<Part>(); 460 MimeUtility.collectParts(mimeMessage, viewables, attachments); 461 462 ConversionUtilities.BodyFieldData data = ConversionUtilities.parseBodyFields(viewables); 463 464 snippet = data.snippet; 465 bodyText = data.textContent; 466 467 // sanitize the HTML found within the .eml file before consuming it 468 bodyHtml = HtmlSanitizer.sanitizeHtml(data.htmlContent); 469 470 // populate mAttachments 471 mAttachments = Lists.newArrayList(); 472 473 final String messageId = mimeMessage.getMessageId(); 474 475 int partId = 0; 476 for (final Part attachmentPart : attachments) { 477 mAttachments.add(new Attachment(context, attachmentPart, 478 emlFileUri, messageId, Integer.toString(partId++), false /* inline */)); 479 } 480 481 // instantiating an Attachment for each viewable will cause it to be registered within the 482 // EmlAttachmentProvider for later access when displaying inline attachments 483 for (final Part viewablePart : viewables) { 484 final String[] cids = viewablePart.getHeader(MimeHeader.HEADER_CONTENT_ID); 485 if (cids != null && cids.length == 1) { 486 final String cid = REMOVE_OPTIONAL_BRACKETS.matcher(cids[0]).replaceAll("$1"); 487 mAttachments.add(new Attachment(context, viewablePart, emlFileUri, messageId, cid, 488 true /* inline */)); 489 } 490 } 491 492 hasAttachments = !mAttachments.isEmpty(); 493 494 attachmentListUri = hasAttachments ? 495 EmlAttachmentProvider.getAttachmentsListUri(emlFileUri, messageId) : null; 496 497 attachmentByCidUri = EmlAttachmentProvider.getAttachmentByCidUri(emlFileUri, messageId); 498 } 499 500 public boolean isFlaggedReplied() { 501 return (messageFlags & UIProvider.MessageFlags.REPLIED) == 502 UIProvider.MessageFlags.REPLIED; 503 } 504 505 public boolean isFlaggedForwarded() { 506 return (messageFlags & UIProvider.MessageFlags.FORWARDED) == 507 UIProvider.MessageFlags.FORWARDED; 508 } 509 510 public boolean isFlaggedCalendarInvite() { 511 return (messageFlags & UIProvider.MessageFlags.CALENDAR_INVITE) == 512 UIProvider.MessageFlags.CALENDAR_INVITE; 513 } 514 515 public String getFrom() { 516 return mFrom; 517 } 518 519 public synchronized void setFrom(final String from) { 520 mFrom = from; 521 mFromAddresses = null; 522 } 523 524 public String getTo() { 525 return mTo; 526 } 527 528 public synchronized void setTo(final String to) { 529 mTo = to; 530 mToAddresses = null; 531 } 532 533 public String getCc() { 534 return mCc; 535 } 536 537 public synchronized void setCc(final String cc) { 538 mCc = cc; 539 mCcAddresses = null; 540 } 541 542 public String getBcc() { 543 return mBcc; 544 } 545 546 public synchronized void setBcc(final String bcc) { 547 mBcc = bcc; 548 mBccAddresses = null; 549 } 550 551 @VisibleForTesting 552 public String getReplyTo() { 553 return mReplyTo; 554 } 555 556 public synchronized void setReplyTo(final String replyTo) { 557 mReplyTo = replyTo; 558 mReplyToAddresses = null; 559 } 560 561 public synchronized String[] getFromAddresses() { 562 if (mFromAddresses == null) { 563 mFromAddresses = tokenizeAddresses(mFrom); 564 } 565 return mFromAddresses; 566 } 567 568 public String[] getFromAddressesUnescaped() { 569 return unescapeAddresses(getFromAddresses()); 570 } 571 572 public synchronized String[] getToAddresses() { 573 if (mToAddresses == null) { 574 mToAddresses = tokenizeAddresses(mTo); 575 } 576 return mToAddresses; 577 } 578 579 public String[] getToAddressesUnescaped() { 580 return unescapeAddresses(getToAddresses()); 581 } 582 583 public synchronized String[] getCcAddresses() { 584 if (mCcAddresses == null) { 585 mCcAddresses = tokenizeAddresses(mCc); 586 } 587 return mCcAddresses; 588 } 589 590 public String[] getCcAddressesUnescaped() { 591 return unescapeAddresses(getCcAddresses()); 592 } 593 594 public synchronized String[] getBccAddresses() { 595 if (mBccAddresses == null) { 596 mBccAddresses = tokenizeAddresses(mBcc); 597 } 598 return mBccAddresses; 599 } 600 601 public String[] getBccAddressesUnescaped() { 602 return unescapeAddresses(getBccAddresses()); 603 } 604 605 public synchronized String[] getReplyToAddresses() { 606 if (mReplyToAddresses == null) { 607 mReplyToAddresses = tokenizeAddresses(mReplyTo); 608 } 609 return mReplyToAddresses; 610 } 611 612 public String[] getReplyToAddressesUnescaped() { 613 return unescapeAddresses(getReplyToAddresses()); 614 } 615 616 private static String[] unescapeAddresses(String[] escaped) { 617 final String[] unescaped = new String[escaped.length]; 618 for (int i = 0; i < escaped.length; i++) { 619 final String escapeMore = escaped[i].replace("<", "<").replace(">", ">"); 620 unescaped[i] = Html.fromHtml(escapeMore).toString(); 621 } 622 return unescaped; 623 } 624 625 public static String[] tokenizeAddresses(String addresses) { 626 if (TextUtils.isEmpty(addresses)) { 627 return new String[0]; 628 } 629 630 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(addresses); 631 String[] strings = new String[tokens.length]; 632 for (int i = 0; i < tokens.length;i++) { 633 strings[i] = tokens[i].toString(); 634 } 635 return strings; 636 } 637 638 public List<Attachment> getAttachments() { 639 if (mAttachments == null) { 640 if (attachmentsJson != null) { 641 mAttachments = Attachment.fromJSONArray(attachmentsJson); 642 } else { 643 mAttachments = Collections.emptyList(); 644 } 645 } 646 return mAttachments; 647 } 648 649 /** 650 * Returns the number of attachments in the message. 651 * @param includeInline If {@code true}, includes inline attachments in the count. 652 * {@code false}, otherwise. 653 * @return the number of attachments in the message. 654 */ 655 public int getAttachmentCount(boolean includeInline) { 656 // If include inline, just return the full list count. 657 if (includeInline) { 658 return mAttachments.size(); 659 } 660 661 // Otherwise, iterate through the attachment list, 662 // skipping inline attachments. 663 int numAttachments = 0; 664 final List<Attachment> attachments = getAttachments(); 665 for (int i = 0, size = attachments.size(); i < size; i++) { 666 if (attachments.get(i).isInlineAttachment()) { 667 continue; 668 } 669 numAttachments++; 670 } 671 672 return numAttachments; 673 } 674 675 /** 676 * Returns whether a "Show Pictures" button should initially appear for this message. If the 677 * button is shown, the message must also block all non-local images in the body. Inversely, if 678 * the button is not shown, the message must show all images within (or else the user would be 679 * stuck with no images and no way to reveal them). 680 * 681 * @return true if a "Show Pictures" button should appear. 682 */ 683 public boolean shouldShowImagePrompt() { 684 return !alwaysShowImages && (embedsExternalResources || 685 (!TextUtils.isEmpty(bodyHtml) && INLINE_IMAGE_PATTERN.matcher(bodyHtml).find())); 686 } 687 688 @Override 689 public boolean embedsExternalResources() { 690 return embedsExternalResources; 691 } 692 693 /** 694 * Helper method to command a provider to mark all messages from this sender with the 695 * {@link MessageColumns#ALWAYS_SHOW_IMAGES} flag set. 696 * 697 * @param handler a caller-provided handler to run the query on 698 * @param token (optional) token to identify the command to the handler 699 * @param cookie (optional) cookie to pass to the handler 700 */ 701 public void markAlwaysShowImages(AsyncQueryHandler handler, int token, Object cookie) { 702 alwaysShowImages = true; 703 704 final ContentValues values = new ContentValues(1); 705 values.put(UIProvider.MessageColumns.ALWAYS_SHOW_IMAGES, 1); 706 707 handler.startUpdate(token, cookie, uri, values, null, null); 708 } 709 710 @Override 711 public String getBodyAsHtml() { 712 String body = ""; 713 if (!TextUtils.isEmpty(bodyHtml)) { 714 body = bodyHtml; 715 } else if (!TextUtils.isEmpty(bodyText)) { 716 final SpannableString spannable = new SpannableString(bodyText); 717 Linkify.addLinks(spannable, Linkify.EMAIL_ADDRESSES); 718 body = Html.toHtml(spannable); 719 } 720 return body; 721 } 722 723 @Override 724 public long getId() { 725 return id; 726 } 727 728 public boolean isDraft() { 729 return draftType != UIProvider.DraftType.NOT_A_DRAFT; 730 } 731 } 732
