1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.mms.data; 18 19 import java.util.List; 20 21 import android.app.Activity; 22 import android.content.ContentResolver; 23 import android.content.ContentUris; 24 import android.content.ContentValues; 25 import android.content.Context; 26 import android.database.Cursor; 27 import android.database.sqlite.SqliteWrapper; 28 import android.net.Uri; 29 import android.os.Bundle; 30 import android.provider.Telephony.Mms; 31 import android.provider.Telephony.MmsSms; 32 import android.provider.Telephony.Sms; 33 import android.provider.Telephony.MmsSms.PendingMessages; 34 import android.telephony.SmsMessage; 35 import android.text.TextUtils; 36 import android.util.Log; 37 38 import com.android.common.userhappiness.UserHappinessSignals; 39 import com.android.mms.ExceedMessageSizeException; 40 import com.android.mms.LogTag; 41 import com.android.mms.MmsConfig; 42 import com.android.mms.ResolutionException; 43 import com.android.mms.UnsupportContentTypeException; 44 import com.android.mms.model.AudioModel; 45 import com.android.mms.model.ImageModel; 46 import com.android.mms.model.MediaModel; 47 import com.android.mms.model.SlideModel; 48 import com.android.mms.model.SlideshowModel; 49 import com.android.mms.model.TextModel; 50 import com.android.mms.model.VideoModel; 51 import com.android.mms.transaction.MessageSender; 52 import com.android.mms.transaction.MmsMessageSender; 53 import com.android.mms.transaction.SmsMessageSender; 54 import com.android.mms.ui.ComposeMessageActivity; 55 import com.android.mms.ui.MessageUtils; 56 import com.android.mms.ui.SlideshowEditor; 57 import com.android.mms.util.Recycler; 58 import com.google.android.mms.ContentType; 59 import com.google.android.mms.MmsException; 60 import com.google.android.mms.pdu.EncodedStringValue; 61 import com.google.android.mms.pdu.PduBody; 62 import com.google.android.mms.pdu.PduPersister; 63 import com.google.android.mms.pdu.SendReq; 64 65 /** 66 * Contains all state related to a message being edited by the user. 67 */ 68 public class WorkingMessage { 69 private static final String TAG = "WorkingMessage"; 70 private static final boolean DEBUG = false; 71 72 // Public intents 73 public static final String ACTION_SENDING_SMS = "android.intent.action.SENDING_SMS"; 74 75 // Intent extras 76 public static final String EXTRA_SMS_MESSAGE = "android.mms.extra.MESSAGE"; 77 public static final String EXTRA_SMS_RECIPIENTS = "android.mms.extra.RECIPIENTS"; 78 public static final String EXTRA_SMS_THREAD_ID = "android.mms.extra.THREAD_ID"; 79 80 // Database access stuff 81 private final Activity mActivity; 82 private final ContentResolver mContentResolver; 83 84 // States that can require us to save or send a message as MMS. 85 private static final int RECIPIENTS_REQUIRE_MMS = (1 << 0); // 1 86 private static final int HAS_SUBJECT = (1 << 1); // 2 87 private static final int HAS_ATTACHMENT = (1 << 2); // 4 88 private static final int LENGTH_REQUIRES_MMS = (1 << 3); // 8 89 private static final int FORCE_MMS = (1 << 4); // 16 90 91 // A bitmap of the above indicating different properties of the message; 92 // any bit set will require the message to be sent via MMS. 93 private int mMmsState; 94 95 // Errors from setAttachment() 96 public static final int OK = 0; 97 public static final int UNKNOWN_ERROR = -1; 98 public static final int MESSAGE_SIZE_EXCEEDED = -2; 99 public static final int UNSUPPORTED_TYPE = -3; 100 public static final int IMAGE_TOO_LARGE = -4; 101 102 // Attachment types 103 public static final int TEXT = 0; 104 public static final int IMAGE = 1; 105 public static final int VIDEO = 2; 106 public static final int AUDIO = 3; 107 public static final int SLIDESHOW = 4; 108 109 // Current attachment type of the message; one of the above values. 110 private int mAttachmentType; 111 112 // Conversation this message is targeting. 113 private Conversation mConversation; 114 115 // Text of the message. 116 private CharSequence mText; 117 // Slideshow for this message, if applicable. If it's a simple attachment, 118 // i.e. not SLIDESHOW, it will contain only one slide. 119 private SlideshowModel mSlideshow; 120 // Data URI of an MMS message if we have had to save it. 121 private Uri mMessageUri; 122 // MMS subject line for this message 123 private CharSequence mSubject; 124 125 // Set to true if this message has been discarded. 126 private boolean mDiscarded = false; 127 128 // Cached value of mms enabled flag 129 private static boolean sMmsEnabled = MmsConfig.getMmsEnabled(); 130 131 // Our callback interface 132 private final MessageStatusListener mStatusListener; 133 private List<String> mWorkingRecipients; 134 135 // Message sizes in Outbox 136 private static final String[] MMS_OUTBOX_PROJECTION = { 137 Mms._ID, // 0 138 Mms.MESSAGE_SIZE // 1 139 }; 140 141 private static final int MMS_MESSAGE_SIZE_INDEX = 1; 142 143 /** 144 * Callback interface for communicating important state changes back to 145 * ComposeMessageActivity. 146 */ 147 public interface MessageStatusListener { 148 /** 149 * Called when the protocol for sending the message changes from SMS 150 * to MMS, and vice versa. 151 * 152 * @param mms If true, it changed to MMS. If false, to SMS. 153 */ 154 void onProtocolChanged(boolean mms); 155 156 /** 157 * Called when an attachment on the message has changed. 158 */ 159 void onAttachmentChanged(); 160 161 /** 162 * Called just before the process of sending a message. 163 */ 164 void onPreMessageSent(); 165 166 /** 167 * Called once the process of sending a message, triggered by 168 * {@link send} has completed. This doesn't mean the send succeeded, 169 * just that it has been dispatched to the network. 170 */ 171 void onMessageSent(); 172 173 /** 174 * Called if there are too many unsent messages in the queue and we're not allowing 175 * any more Mms's to be sent. 176 */ 177 void onMaxPendingMessagesReached(); 178 179 /** 180 * Called if there's an attachment error while resizing the images just before sending. 181 */ 182 void onAttachmentError(int error); 183 } 184 185 private WorkingMessage(ComposeMessageActivity activity) { 186 mActivity = activity; 187 mContentResolver = mActivity.getContentResolver(); 188 mStatusListener = activity; 189 mAttachmentType = TEXT; 190 mText = ""; 191 } 192 193 /** 194 * Creates a new working message. 195 */ 196 public static WorkingMessage createEmpty(ComposeMessageActivity activity) { 197 // Make a new empty working message. 198 WorkingMessage msg = new WorkingMessage(activity); 199 return msg; 200 } 201 202 /** 203 * Create a new WorkingMessage from the specified data URI, which typically 204 * contains an MMS message. 205 */ 206 public static WorkingMessage load(ComposeMessageActivity activity, Uri uri) { 207 // If the message is not already in the draft box, move it there. 208 if (!uri.toString().startsWith(Mms.Draft.CONTENT_URI.toString())) { 209 PduPersister persister = PduPersister.getPduPersister(activity); 210 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 211 LogTag.debug("load: moving %s to drafts", uri); 212 } 213 try { 214 uri = persister.move(uri, Mms.Draft.CONTENT_URI); 215 } catch (MmsException e) { 216 LogTag.error("Can't move %s to drafts", uri); 217 return null; 218 } 219 } 220 221 WorkingMessage msg = new WorkingMessage(activity); 222 if (msg.loadFromUri(uri)) { 223 return msg; 224 } 225 226 return null; 227 } 228 229 private void correctAttachmentState() { 230 int slideCount = mSlideshow.size(); 231 232 // If we get an empty slideshow, tear down all MMS 233 // state and discard the unnecessary message Uri. 234 if (slideCount == 0) { 235 mAttachmentType = TEXT; 236 mSlideshow = null; 237 asyncDelete(mMessageUri, null, null); 238 mMessageUri = null; 239 } else if (slideCount > 1) { 240 mAttachmentType = SLIDESHOW; 241 } else { 242 SlideModel slide = mSlideshow.get(0); 243 if (slide.hasImage()) { 244 mAttachmentType = IMAGE; 245 } else if (slide.hasVideo()) { 246 mAttachmentType = VIDEO; 247 } else if (slide.hasAudio()) { 248 mAttachmentType = AUDIO; 249 } 250 } 251 252 updateState(HAS_ATTACHMENT, hasAttachment(), false); 253 } 254 255 private boolean loadFromUri(Uri uri) { 256 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) LogTag.debug("loadFromUri %s", uri); 257 try { 258 mSlideshow = SlideshowModel.createFromMessageUri(mActivity, uri); 259 } catch (MmsException e) { 260 LogTag.error("Couldn't load URI %s", uri); 261 return false; 262 } 263 264 mMessageUri = uri; 265 266 // Make sure all our state is as expected. 267 syncTextFromSlideshow(); 268 correctAttachmentState(); 269 270 return true; 271 } 272 273 /** 274 * Load the draft message for the specified conversation, or a new empty message if 275 * none exists. 276 */ 277 public static WorkingMessage loadDraft(ComposeMessageActivity activity, 278 Conversation conv) { 279 WorkingMessage msg = new WorkingMessage(activity); 280 if (msg.loadFromConversation(conv)) { 281 return msg; 282 } else { 283 return createEmpty(activity); 284 } 285 } 286 287 private boolean loadFromConversation(Conversation conv) { 288 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) LogTag.debug("loadFromConversation %s", conv); 289 290 long threadId = conv.getThreadId(); 291 if (threadId <= 0) { 292 return false; 293 } 294 295 // Look for an SMS draft first. 296 mText = readDraftSmsMessage(conv); 297 if (!TextUtils.isEmpty(mText)) { 298 return true; 299 } 300 301 // Then look for an MMS draft. 302 StringBuilder sb = new StringBuilder(); 303 Uri uri = readDraftMmsMessage(mActivity, threadId, sb); 304 if (uri != null) { 305 if (loadFromUri(uri)) { 306 // If there was an MMS message, readDraftMmsMessage 307 // will put the subject in our supplied StringBuilder. 308 if (sb.length() > 0) { 309 setSubject(sb.toString(), false); 310 } 311 return true; 312 } 313 } 314 315 return false; 316 } 317 318 /** 319 * Sets the text of the message to the specified CharSequence. 320 */ 321 public void setText(CharSequence s) { 322 mText = s; 323 } 324 325 /** 326 * Returns the current message text. 327 */ 328 public CharSequence getText() { 329 return mText; 330 } 331 332 /** 333 * Returns true if the message has any text. A message with just whitespace is not considered 334 * to have text. 335 * @return 336 */ 337 public boolean hasText() { 338 return mText != null && TextUtils.getTrimmedLength(mText) > 0; 339 } 340 341 /** 342 * Adds an attachment to the message, replacing an old one if it existed. 343 * @param type Type of this attachment, such as {@link IMAGE} 344 * @param dataUri Uri containing the attachment data (or null for {@link TEXT}) 345 * @param append true if we should add the attachment to a new slide 346 * @return An error code such as {@link UNKNOWN_ERROR} or {@link OK} if successful 347 */ 348 public int setAttachment(int type, Uri dataUri, boolean append) { 349 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 350 LogTag.debug("setAttachment type=%d uri %s", type, dataUri); 351 } 352 int result = OK; 353 354 // Make sure mSlideshow is set up and has a slide. 355 ensureSlideshow(); 356 357 // Change the attachment and translate the various underlying 358 // exceptions into useful error codes. 359 try { 360 if (append) { 361 appendMedia(type, dataUri); 362 } else { 363 changeMedia(type, dataUri); 364 } 365 } catch (MmsException e) { 366 result = UNKNOWN_ERROR; 367 } catch (UnsupportContentTypeException e) { 368 result = UNSUPPORTED_TYPE; 369 } catch (ExceedMessageSizeException e) { 370 result = MESSAGE_SIZE_EXCEEDED; 371 } catch (ResolutionException e) { 372 result = IMAGE_TOO_LARGE; 373 } 374 375 // If we were successful, update mAttachmentType and notify 376 // the listener than there was a change. 377 if (result == OK) { 378 mAttachmentType = type; 379 mStatusListener.onAttachmentChanged(); 380 } else if (append) { 381 // We added a new slide and what we attempted to insert on the slide failed. 382 // Delete that slide, otherwise we could end up with a bunch of blank slides. 383 SlideshowEditor slideShowEditor = new SlideshowEditor(mActivity, mSlideshow); 384 slideShowEditor.removeSlide(mSlideshow.size() - 1); 385 } 386 387 // Set HAS_ATTACHMENT if we need it. 388 updateState(HAS_ATTACHMENT, hasAttachment(), true); 389 correctAttachmentState(); 390 return result; 391 } 392 393 /** 394 * Returns true if this message contains anything worth saving. 395 */ 396 public boolean isWorthSaving() { 397 // If it actually contains anything, it's of course not empty. 398 if (hasText() || hasSubject() || hasAttachment() || hasSlideshow()) { 399 return true; 400 } 401 402 // When saveAsMms() has been called, we set FORCE_MMS to represent 403 // sort of an "invisible attachment" so that the message isn't thrown 404 // away when we are shipping it off to other activities. 405 if (isFakeMmsForDraft()) { 406 return true; 407 } 408 409 return false; 410 } 411 412 /** 413 * Returns true if FORCE_MMS is set. 414 * When saveAsMms() has been called, we set FORCE_MMS to represent 415 * sort of an "invisible attachment" so that the message isn't thrown 416 * away when we are shipping it off to other activities. 417 */ 418 public boolean isFakeMmsForDraft() { 419 return (mMmsState & FORCE_MMS) > 0; 420 } 421 422 /** 423 * Makes sure mSlideshow is set up. 424 */ 425 private void ensureSlideshow() { 426 if (mSlideshow != null) { 427 return; 428 } 429 430 SlideshowModel slideshow = SlideshowModel.createNew(mActivity); 431 SlideModel slide = new SlideModel(slideshow); 432 slideshow.add(slide); 433 434 mSlideshow = slideshow; 435 } 436 437 /** 438 * Change the message's attachment to the data in the specified Uri. 439 * Used only for single-slide ("attachment mode") messages. 440 */ 441 private void changeMedia(int type, Uri uri) throws MmsException { 442 SlideModel slide = mSlideshow.get(0); 443 MediaModel media; 444 445 if (slide == null) { 446 Log.w(LogTag.TAG, "[WorkingMessage] changeMedia: no slides!"); 447 return; 448 } 449 450 // Remove any previous attachments. 451 slide.removeImage(); 452 slide.removeVideo(); 453 slide.removeAudio(); 454 455 // If we're changing to text, just bail out. 456 if (type == TEXT) { 457 return; 458 } 459 460 // Make a correct MediaModel for the type of attachment. 461 if (type == IMAGE) { 462 media = new ImageModel(mActivity, uri, mSlideshow.getLayout().getImageRegion()); 463 } else if (type == VIDEO) { 464 media = new VideoModel(mActivity, uri, mSlideshow.getLayout().getImageRegion()); 465 } else if (type == AUDIO) { 466 media = new AudioModel(mActivity, uri); 467 } else { 468 throw new IllegalArgumentException("changeMedia type=" + type + ", uri=" + uri); 469 } 470 471 // Add it to the slide. 472 slide.add(media); 473 474 // For video and audio, set the duration of the slide to 475 // that of the attachment. 476 if (type == VIDEO || type == AUDIO) { 477 slide.updateDuration(media.getDuration()); 478 } 479 } 480 481 /** 482 * Add the message's attachment to the data in the specified Uri to a new slide. 483 */ 484 private void appendMedia(int type, Uri uri) throws MmsException { 485 486 // If we're changing to text, just bail out. 487 if (type == TEXT) { 488 return; 489 } 490 491 // The first time this method is called, mSlideshow.size() is going to be 492 // one (a newly initialized slideshow has one empty slide). The first time we 493 // attach the picture/video to that first empty slide. From then on when this 494 // function is called, we've got to create a new slide and add the picture/video 495 // to that new slide. 496 boolean addNewSlide = true; 497 if (mSlideshow.size() == 1 && !mSlideshow.isSimple()) { 498 addNewSlide = false; 499 } 500 if (addNewSlide) { 501 SlideshowEditor slideShowEditor = new SlideshowEditor(mActivity, mSlideshow); 502 if (!slideShowEditor.addNewSlide()) { 503 return; 504 } 505 } 506 // Make a correct MediaModel for the type of attachment. 507 MediaModel media; 508 SlideModel slide = mSlideshow.get(mSlideshow.size() - 1); 509 if (type == IMAGE) { 510 media = new ImageModel(mActivity, uri, mSlideshow.getLayout().getImageRegion()); 511 } else if (type == VIDEO) { 512 media = new VideoModel(mActivity, uri, mSlideshow.getLayout().getImageRegion()); 513 } else if (type == AUDIO) { 514 media = new AudioModel(mActivity, uri); 515 } else { 516 throw new IllegalArgumentException("changeMedia type=" + type + ", uri=" + uri); 517 } 518 519 // Add it to the slide. 520 slide.add(media); 521 522 // For video and audio, set the duration of the slide to 523 // that of the attachment. 524 if (type == VIDEO || type == AUDIO) { 525 slide.updateDuration(media.getDuration()); 526 } 527 } 528 529 /** 530 * Returns true if the message has an attachment (including slideshows). 531 */ 532 public boolean hasAttachment() { 533 return (mAttachmentType > TEXT); 534 } 535 536 /** 537 * Returns the slideshow associated with this message. 538 */ 539 public SlideshowModel getSlideshow() { 540 return mSlideshow; 541 } 542 543 /** 544 * Returns true if the message has a real slideshow, as opposed to just 545 * one image attachment, for example. 546 */ 547 public boolean hasSlideshow() { 548 return (mAttachmentType == SLIDESHOW); 549 } 550 551 /** 552 * Sets the MMS subject of the message. Passing null indicates that there 553 * is no subject. Passing "" will result in an empty subject being added 554 * to the message, possibly triggering a conversion to MMS. This extra 555 * bit of state is needed to support ComposeMessageActivity converting to 556 * MMS when the user adds a subject. An empty subject will be removed 557 * before saving to disk or sending, however. 558 */ 559 public void setSubject(CharSequence s, boolean notify) { 560 mSubject = s; 561 updateState(HAS_SUBJECT, (s != null), notify); 562 } 563 564 /** 565 * Returns the MMS subject of the message. 566 */ 567 public CharSequence getSubject() { 568 return mSubject; 569 } 570 571 /** 572 * Returns true if this message has an MMS subject. A subject has to be more than just 573 * whitespace. 574 * @return 575 */ 576 public boolean hasSubject() { 577 return mSubject != null && TextUtils.getTrimmedLength(mSubject) > 0; 578 } 579 580 /** 581 * Moves the message text into the slideshow. Should be called any time 582 * the message is about to be sent or written to disk. 583 */ 584 private void syncTextToSlideshow() { 585 if (mSlideshow == null || mSlideshow.size() != 1) 586 return; 587 588 SlideModel slide = mSlideshow.get(0); 589 TextModel text; 590 if (!slide.hasText()) { 591 // Add a TextModel to slide 0 if one doesn't already exist 592 text = new TextModel(mActivity, ContentType.TEXT_PLAIN, "text_0.txt", 593 mSlideshow.getLayout().getTextRegion()); 594 slide.add(text); 595 } else { 596 // Otherwise just reuse the existing one. 597 text = slide.getText(); 598 } 599 text.setText(mText); 600 } 601 602 /** 603 * Sets the message text out of the slideshow. Should be called any time 604 * a slideshow is loaded from disk. 605 */ 606 private void syncTextFromSlideshow() { 607 // Don't sync text for real slideshows. 608 if (mSlideshow.size() != 1) { 609 return; 610 } 611 612 SlideModel slide = mSlideshow.get(0); 613 if (slide == null || !slide.hasText()) { 614 return; 615 } 616 617 mText = slide.getText().getText(); 618 } 619 620 /** 621 * Removes the subject if it is empty, possibly converting back to SMS. 622 */ 623 private void removeSubjectIfEmpty(boolean notify) { 624 if (!hasSubject()) { 625 setSubject(null, notify); 626 } 627 } 628 629 /** 630 * Gets internal message state ready for storage. Should be called any 631 * time the message is about to be sent or written to disk. 632 */ 633 private void prepareForSave(boolean notify) { 634 // Make sure our working set of recipients is resolved 635 // to first-class Contact objects before we save. 636 syncWorkingRecipients(); 637 638 if (requiresMms()) { 639 ensureSlideshow(); 640 syncTextToSlideshow(); 641 removeSubjectIfEmpty(notify); 642 } 643 } 644 645 /** 646 * Resolve the temporary working set of recipients to a ContactList. 647 */ 648 public void syncWorkingRecipients() { 649 if (mWorkingRecipients != null) { 650 ContactList recipients = ContactList.getByNumbers(mWorkingRecipients, false); 651 String workingRecips = recipients.serialize(); 652 mConversation.setRecipients(recipients); // resets the threadId to zero 653 654 mWorkingRecipients = null; 655 } 656 } 657 658 public String getWorkingRecipients() { 659 // this function is used for DEBUG only 660 if (mWorkingRecipients == null) { 661 return null; 662 } 663 ContactList recipients = ContactList.getByNumbers(mWorkingRecipients, false); 664 return recipients.serialize(); 665 } 666 667 // Call when we've returned from adding an attachment. We're no longer forcing the message 668 // into a Mms message. At this point we either have the goods to make the message a Mms 669 // or we don't. No longer fake it. 670 public void removeFakeMmsForDraft() { 671 updateState(FORCE_MMS, false, false); 672 } 673 674 /** 675 * Force the message to be saved as MMS and return the Uri of the message. 676 * Typically used when handing a message off to another activity. 677 */ 678 public Uri saveAsMms(boolean notify) { 679 if (DEBUG) LogTag.debug("save mConversation=%s", mConversation); 680 681 if (mDiscarded) { 682 throw new IllegalStateException("save() called after discard()"); 683 } 684 685 // FORCE_MMS behaves as sort of an "invisible attachment", making 686 // the message seem non-empty (and thus not discarded). This bit 687 // is sticky until the last other MMS bit is removed, at which 688 // point the message will fall back to SMS. 689 updateState(FORCE_MMS, true, notify); 690 691 // Collect our state to be written to disk. 692 prepareForSave(true /* notify */); 693 694 // Make sure we are saving to the correct thread ID. 695 mConversation.ensureThreadId(); 696 mConversation.setDraftState(true); 697 698 PduPersister persister = PduPersister.getPduPersister(mActivity); 699 SendReq sendReq = makeSendReq(mConversation, mSubject); 700 701 // If we don't already have a Uri lying around, make a new one. If we do 702 // have one already, make sure it is synced to disk. 703 if (mMessageUri == null) { 704 mMessageUri = createDraftMmsMessage(persister, sendReq, mSlideshow); 705 } else { 706 updateDraftMmsMessage(mMessageUri, persister, mSlideshow, sendReq); 707 } 708 709 return mMessageUri; 710 } 711 712 /** 713 * Save this message as a draft in the conversation previously specified 714 * to {@link setConversation}. 715 */ 716 public void saveDraft() { 717 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 718 LogTag.debug("saveDraft"); 719 } 720 721 // If we have discarded the message, just bail out. 722 if (mDiscarded) { 723 return; 724 } 725 726 // Make sure setConversation was called. 727 if (mConversation == null) { 728 throw new IllegalStateException("saveDraft() called with no conversation"); 729 } 730 731 // Get ready to write to disk. But don't notify message status when saving draft 732 prepareForSave(false /* notify */); 733 734 if (requiresMms()) { 735 asyncUpdateDraftMmsMessage(mConversation); 736 } else { 737 String content = mText.toString(); 738 739 // bug 2169583: don't bother creating a thread id only to delete the thread 740 // because the content is empty. When we delete the thread in updateDraftSmsMessage, 741 // we didn't nullify conv.mThreadId, causing a temperary situation where conv 742 // is holding onto a thread id that isn't in the database. If a new message arrives 743 // and takes that thread id (because it's the next thread id to be assigned), the 744 // new message will be merged with the draft message thread, causing confusion! 745 if (!TextUtils.isEmpty(content)) { 746 asyncUpdateDraftSmsMessage(mConversation, content); 747 } 748 } 749 750 // Update state of the draft cache. 751 mConversation.setDraftState(true); 752 } 753 754 synchronized public void discard() { 755 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 756 LogTag.debug("discard"); 757 } 758 759 if (mDiscarded == true) { 760 return; 761 } 762 763 // Mark this message as discarded in order to make saveDraft() no-op. 764 mDiscarded = true; 765 766 // Delete our MMS message, if there is one. 767 if (mMessageUri != null) { 768 asyncDelete(mMessageUri, null, null); 769 } 770 771 // Delete any draft messages associated with this conversation. 772 asyncDeleteDraftSmsMessage(mConversation); 773 774 // Update state of the draft cache. 775 mConversation.setDraftState(false); 776 } 777 778 public void unDiscard() { 779 if (DEBUG) LogTag.debug("unDiscard"); 780 781 mDiscarded = false; 782 } 783 784 /** 785 * Returns true if discard() has been called on this message. 786 */ 787 public boolean isDiscarded() { 788 return mDiscarded; 789 } 790 791 /** 792 * To be called from our Activity's onSaveInstanceState() to give us a chance 793 * to stow our state away for later retrieval. 794 * 795 * @param bundle The Bundle passed in to onSaveInstanceState 796 */ 797 public void writeStateToBundle(Bundle bundle) { 798 if (hasSubject()) { 799 bundle.putString("subject", mSubject.toString()); 800 } 801 802 if (mMessageUri != null) { 803 bundle.putParcelable("msg_uri", mMessageUri); 804 } else if (hasText()) { 805 bundle.putString("sms_body", mText.toString()); 806 } 807 } 808 809 /** 810 * To be called from our Activity's onCreate() if the activity manager 811 * has given it a Bundle to reinflate 812 * @param bundle The Bundle passed in to onCreate 813 */ 814 public void readStateFromBundle(Bundle bundle) { 815 if (bundle == null) { 816 return; 817 } 818 819 String subject = bundle.getString("subject"); 820 setSubject(subject, false); 821 822 Uri uri = (Uri)bundle.getParcelable("msg_uri"); 823 if (uri != null) { 824 loadFromUri(uri); 825 return; 826 } else { 827 String body = bundle.getString("sms_body"); 828 mText = body; 829 } 830 } 831 832 /** 833 * Update the temporary list of recipients, used when setting up a 834 * new conversation. Will be converted to a ContactList on any 835 * save event (send, save draft, etc.) 836 */ 837 public void setWorkingRecipients(List<String> numbers) { 838 mWorkingRecipients = numbers; 839 Log.i(TAG, "setWorkingRecipients"); 840 } 841 842 private void dumpWorkingRecipients() { 843 Log.i(TAG, "-- mWorkingRecipients:"); 844 845 if (mWorkingRecipients != null) { 846 int count = mWorkingRecipients.size(); 847 for (int i=0; i<count; i++) { 848 Log.i(TAG, " [" + i + "] " + mWorkingRecipients.get(i)); 849 } 850 Log.i(TAG, ""); 851 } 852 } 853 854 public void dump() { 855 Log.i(TAG, "WorkingMessage:"); 856 dumpWorkingRecipients(); 857 if (mConversation != null) { 858 Log.i(TAG, "mConversation: " + mConversation.toString()); 859 } 860 } 861 862 /** 863 * Set the conversation associated with this message. 864 */ 865 public void setConversation(Conversation conv) { 866 if (DEBUG) LogTag.debug("setConversation %s -> %s", mConversation, conv); 867 868 mConversation = conv; 869 870 // Convert to MMS if there are any email addresses in the recipient list. 871 setHasEmail(conv.getRecipients().containsEmail(), false); 872 } 873 874 /** 875 * Hint whether or not this message will be delivered to an 876 * an email address. 877 */ 878 public void setHasEmail(boolean hasEmail, boolean notify) { 879 if (MmsConfig.getEmailGateway() != null) { 880 updateState(RECIPIENTS_REQUIRE_MMS, false, notify); 881 } else { 882 updateState(RECIPIENTS_REQUIRE_MMS, hasEmail, notify); 883 } 884 } 885 886 /** 887 * Returns true if this message would require MMS to send. 888 */ 889 public boolean requiresMms() { 890 return (mMmsState > 0); 891 } 892 893 private static String stateString(int state) { 894 if (state == 0) 895 return "<none>"; 896 897 StringBuilder sb = new StringBuilder(); 898 if ((state & RECIPIENTS_REQUIRE_MMS) > 0) 899 sb.append("RECIPIENTS_REQUIRE_MMS | "); 900 if ((state & HAS_SUBJECT) > 0) 901 sb.append("HAS_SUBJECT | "); 902 if ((state & HAS_ATTACHMENT) > 0) 903 sb.append("HAS_ATTACHMENT | "); 904 if ((state & LENGTH_REQUIRES_MMS) > 0) 905 sb.append("LENGTH_REQUIRES_MMS | "); 906 if ((state & FORCE_MMS) > 0) 907 sb.append("FORCE_MMS | "); 908 909 sb.delete(sb.length() - 3, sb.length()); 910 return sb.toString(); 911 } 912 913 /** 914 * Sets the current state of our various "MMS required" bits. 915 * 916 * @param state The bit to change, such as {@link HAS_ATTACHMENT} 917 * @param on If true, set it; if false, clear it 918 * @param notify Whether or not to notify the user 919 */ 920 private void updateState(int state, boolean on, boolean notify) { 921 if (!sMmsEnabled) { 922 // If Mms isn't enabled, the rest of the Messaging UI should not be using any 923 // feature that would cause us to to turn on any Mms flag and show the 924 // "Converting to multimedia..." message. 925 return; 926 } 927 int oldState = mMmsState; 928 if (on) { 929 mMmsState |= state; 930 } else { 931 mMmsState &= ~state; 932 } 933 934 // If we are clearing the last bit that is not FORCE_MMS, 935 // expire the FORCE_MMS bit. 936 if (mMmsState == FORCE_MMS && ((oldState & ~FORCE_MMS) > 0)) { 937 mMmsState = 0; 938 } 939 940 // Notify the listener if we are moving from SMS to MMS 941 // or vice versa. 942 if (notify) { 943 if (oldState == 0 && mMmsState != 0) { 944 mStatusListener.onProtocolChanged(true); 945 } else if (oldState != 0 && mMmsState == 0) { 946 mStatusListener.onProtocolChanged(false); 947 } 948 } 949 950 if (oldState != mMmsState) { 951 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) LogTag.debug("updateState: %s%s = %s", 952 on ? "+" : "-", 953 stateString(state), stateString(mMmsState)); 954 } 955 } 956 957 /** 958 * Send this message over the network. Will call back with onMessageSent() once 959 * it has been dispatched to the telephony stack. This WorkingMessage object is 960 * no longer useful after this method has been called. 961 */ 962 public void send(final String recipientsInUI) { 963 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 964 LogTag.debug("send"); 965 } 966 967 // Begin -------- debug code 968 // if (LogTag.SEVERE_WARNING) { 969 // Log.i(TAG, "##### send #####"); 970 // Log.i(TAG, " mConversation (beginning of send): " + mConversation.toString()); 971 // Log.i(TAG, " recipientsInUI: " + recipientsInUI); 972 // } 973 // End -------- debug code 974 975 // Get ready to write to disk. 976 prepareForSave(true /* notify */); 977 978 // Begin -------- debug code 979 String newRecipients = mConversation.getRecipients().serialize(); 980 if (!TextUtils.isEmpty(recipientsInUI) && !newRecipients.equals(recipientsInUI)) { 981 if (LogTag.SEVERE_WARNING) { 982 LogTag.warnPossibleRecipientMismatch("send() after newRecipients() changed recips from: " 983 + recipientsInUI + " to " + newRecipients, mActivity); 984 dumpWorkingRecipients(); 985 } else { 986 Log.w(TAG, "send() after newRecipients() changed recips from: " 987 + recipientsInUI + " to " + newRecipients); 988 } 989 } 990 // End -------- debug code 991 992 // We need the recipient list for both SMS and MMS. 993 final Conversation conv = mConversation; 994 String msgTxt = mText.toString(); 995 996 if (requiresMms() || addressContainsEmailToMms(conv, msgTxt)) { 997 // Make local copies of the bits we need for sending a message, 998 // because we will be doing it off of the main thread, which will 999 // immediately continue on to resetting some of this state. 1000 final Uri mmsUri = mMessageUri; 1001 final PduPersister persister = PduPersister.getPduPersister(mActivity); 1002 1003 final SlideshowModel slideshow = mSlideshow; 1004 final SendReq sendReq = makeSendReq(conv, mSubject); 1005 1006 // Do the dirty work of sending the message off of the main UI thread. 1007 new Thread(new Runnable() { 1008 public void run() { 1009 // Make sure the text in slide 0 is no longer holding onto a reference to 1010 // the text in the message text box. 1011 slideshow.prepareForSend(); 1012 sendMmsWorker(conv, mmsUri, persister, slideshow, sendReq); 1013 } 1014 }).start(); 1015 } else { 1016 // Same rules apply as above. 1017 final String msgText = mText.toString(); 1018 new Thread(new Runnable() { 1019 public void run() { 1020 preSendSmsWorker(conv, msgText, recipientsInUI); 1021 } 1022 }).start(); 1023 } 1024 1025 // update the Recipient cache with the new to address, if it's different 1026 RecipientIdCache.updateNumbers(conv.getThreadId(), conv.getRecipients()); 1027 1028 // Mark the message as discarded because it is "off the market" after being sent. 1029 mDiscarded = true; 1030 } 1031 1032 private boolean addressContainsEmailToMms(Conversation conv, String text) { 1033 if (MmsConfig.getEmailGateway() != null) { 1034 String[] dests = conv.getRecipients().getNumbers(); 1035 int length = dests.length; 1036 for (int i = 0; i < length; i++) { 1037 if (Mms.isEmailAddress(dests[i]) || MessageUtils.isAlias(dests[i])) { 1038 String mtext = dests[i] + " " + text; 1039 int[] params = SmsMessage.calculateLength(mtext, false); 1040 if (params[0] > 1) { 1041 updateState(RECIPIENTS_REQUIRE_MMS, true, true); 1042 ensureSlideshow(); 1043 syncTextToSlideshow(); 1044 return true; 1045 } 1046 } 1047 } 1048 } 1049 return false; 1050 } 1051 1052 // Message sending stuff 1053 1054 private void preSendSmsWorker(Conversation conv, String msgText, String recipientsInUI) { 1055 // If user tries to send the message, it's a signal the inputted text is what they wanted. 1056 UserHappinessSignals.userAcceptedImeText(mActivity); 1057 1058 mStatusListener.onPreMessageSent(); 1059 1060 long origThreadId = conv.getThreadId(); 1061 1062 // Make sure we are still using the correct thread ID for our 1063 // recipient set. 1064 long threadId = conv.ensureThreadId(); 1065 1066 final String semiSepRecipients = conv.getRecipients().serialize(); 1067 1068 // recipientsInUI can be empty when the user types in a number and hits send 1069 if (LogTag.SEVERE_WARNING && ((origThreadId != 0 && origThreadId != threadId) || 1070 (!semiSepRecipients.equals(recipientsInUI) && !TextUtils.isEmpty(recipientsInUI)))) { 1071 String msg = origThreadId != 0 && origThreadId != threadId ? 1072 "WorkingMessage.preSendSmsWorker threadId changed or " + 1073 "recipients changed. origThreadId: " + 1074 origThreadId + " new threadId: " + threadId + 1075 " also mConversation.getThreadId(): " + 1076 mConversation.getThreadId() 1077 : 1078 "Recipients in window: \"" + 1079 recipientsInUI + "\" differ from recipients from conv: \"" + 1080 semiSepRecipients + "\""; 1081 1082 LogTag.warnPossibleRecipientMismatch(msg, mActivity); 1083 } 1084 1085 // just do a regular send. We're already on a non-ui thread so no need to fire 1086 // off another thread to do this work. 1087 sendSmsWorker(msgText, semiSepRecipients, threadId); 1088 1089 // Be paranoid and clean any draft SMS up. 1090 deleteDraftSmsMessage(threadId); 1091 } 1092 1093 private void sendSmsWorker(String msgText, String semiSepRecipients, long threadId) { 1094 String[] dests = TextUtils.split(semiSepRecipients, ";"); 1095 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 1096 LogTag.debug("sendSmsWorker sending message"); 1097 } 1098 MessageSender sender = new SmsMessageSender(mActivity, dests, msgText, threadId); 1099 try { 1100 sender.sendMessage(threadId); 1101 1102 // Make sure this thread isn't over the limits in message count 1103 Recycler.getSmsRecycler().deleteOldMessagesByThreadId(mActivity, threadId); 1104 } catch (Exception e) { 1105 Log.e(TAG, "Failed to send SMS message, threadId=" + threadId, e); 1106 } 1107 1108 mStatusListener.onMessageSent(); 1109 } 1110 1111 private void sendMmsWorker(Conversation conv, Uri mmsUri, PduPersister persister, 1112 SlideshowModel slideshow, SendReq sendReq) { 1113 // If user tries to send the message, it's a signal the inputted text is what they wanted. 1114 UserHappinessSignals.userAcceptedImeText(mActivity); 1115 1116 // First make sure we don't have too many outstanding unsent message. 1117 Cursor cursor = null; 1118 try { 1119 cursor = SqliteWrapper.query(mActivity, mContentResolver, 1120 Mms.Outbox.CONTENT_URI, MMS_OUTBOX_PROJECTION, null, null, null); 1121 if (cursor != null) { 1122 long maxMessageSize = MmsConfig.getMaxSizeScaleForPendingMmsAllowed() * 1123 MmsConfig.getMaxMessageSize(); 1124 long totalPendingSize = 0; 1125 while (cursor.moveToNext()) { 1126 totalPendingSize += cursor.getLong(MMS_MESSAGE_SIZE_INDEX); 1127 } 1128 if (totalPendingSize >= maxMessageSize) { 1129 unDiscard(); // it wasn't successfully sent. Allow it to be saved as a draft. 1130 mStatusListener.onMaxPendingMessagesReached(); 1131 return; 1132 } 1133 } 1134 } finally { 1135 if (cursor != null) { 1136 cursor.close(); 1137 } 1138 } 1139 mStatusListener.onPreMessageSent(); 1140 1141 // Make sure we are still using the correct thread ID for our 1142 // recipient set. 1143 long threadId = conv.ensureThreadId(); 1144 1145 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1146 LogTag.debug("sendMmsWorker: update draft MMS message " + mmsUri); 1147 } 1148 1149 if (mmsUri == null) { 1150 // Create a new MMS message if one hasn't been made yet. 1151 mmsUri = createDraftMmsMessage(persister, sendReq, slideshow); 1152 } else { 1153 // Otherwise, sync the MMS message in progress to disk. 1154 updateDraftMmsMessage(mmsUri, persister, slideshow, sendReq); 1155 } 1156 1157 // Be paranoid and clean any draft SMS up. 1158 deleteDraftSmsMessage(threadId); 1159 1160 // Resize all the resizeable attachments (e.g. pictures) to fit 1161 // in the remaining space in the slideshow. 1162 int error = 0; 1163 try { 1164 slideshow.finalResize(mmsUri); 1165 } catch (ExceedMessageSizeException e1) { 1166 error = MESSAGE_SIZE_EXCEEDED; 1167 } catch (MmsException e1) { 1168 error = UNKNOWN_ERROR; 1169 } 1170 if (error != 0) { 1171 markMmsMessageWithError(mmsUri); 1172 mStatusListener.onAttachmentError(error); 1173 return; 1174 } 1175 1176 MessageSender sender = new MmsMessageSender(mActivity, mmsUri, 1177 slideshow.getCurrentMessageSize()); 1178 try { 1179 if (!sender.sendMessage(threadId)) { 1180 // The message was sent through SMS protocol, we should 1181 // delete the copy which was previously saved in MMS drafts. 1182 SqliteWrapper.delete(mActivity, mContentResolver, mmsUri, null, null); 1183 } 1184 1185 // Make sure this thread isn't over the limits in message count 1186 Recycler.getMmsRecycler().deleteOldMessagesByThreadId(mActivity, threadId); 1187 } catch (Exception e) { 1188 Log.e(TAG, "Failed to send message: " + mmsUri + ", threadId=" + threadId, e); 1189 } 1190 1191 mStatusListener.onMessageSent(); 1192 } 1193 1194 private void markMmsMessageWithError(Uri mmsUri) { 1195 try { 1196 PduPersister p = PduPersister.getPduPersister(mActivity); 1197 // Move the message into MMS Outbox. A trigger will create an entry in 1198 // the "pending_msgs" table. 1199 p.move(mmsUri, Mms.Outbox.CONTENT_URI); 1200 1201 // Now update the pending_msgs table with an error for that new item. 1202 ContentValues values = new ContentValues(1); 1203 values.put(PendingMessages.ERROR_TYPE, MmsSms.ERR_TYPE_GENERIC_PERMANENT); 1204 long msgId = ContentUris.parseId(mmsUri); 1205 SqliteWrapper.update(mActivity, mContentResolver, 1206 PendingMessages.CONTENT_URI, 1207 values, PendingMessages._ID + "=" + msgId, null); 1208 } catch (MmsException e) { 1209 // Not much we can do here. If the p.move throws an exception, we'll just 1210 // leave the message in the draft box. 1211 Log.e(TAG, "Failed to move message to outbox and mark as error: " + mmsUri, e); 1212 } 1213 } 1214 1215 // Draft message stuff 1216 1217 private static final String[] MMS_DRAFT_PROJECTION = { 1218 Mms._ID, // 0 1219 Mms.SUBJECT, // 1 1220 Mms.SUBJECT_CHARSET // 2 1221 }; 1222 1223 private static final int MMS_ID_INDEX = 0; 1224 private static final int MMS_SUBJECT_INDEX = 1; 1225 private static final int MMS_SUBJECT_CS_INDEX = 2; 1226 1227 private static Uri readDraftMmsMessage(Context context, long threadId, StringBuilder sb) { 1228 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1229 LogTag.debug("readDraftMmsMessage tid=%d", threadId); 1230 } 1231 Cursor cursor; 1232 ContentResolver cr = context.getContentResolver(); 1233 1234 final String selection = Mms.THREAD_ID + " = " + threadId; 1235 cursor = SqliteWrapper.query(context, cr, 1236 Mms.Draft.CONTENT_URI, MMS_DRAFT_PROJECTION, 1237 selection, null, null); 1238 1239 Uri uri; 1240 try { 1241 if (cursor.moveToFirst()) { 1242 uri = ContentUris.withAppendedId(Mms.Draft.CONTENT_URI, 1243 cursor.getLong(MMS_ID_INDEX)); 1244 String subject = MessageUtils.extractEncStrFromCursor(cursor, MMS_SUBJECT_INDEX, 1245 MMS_SUBJECT_CS_INDEX); 1246 if (subject != null) { 1247 sb.append(subject); 1248 } 1249 return uri; 1250 } 1251 } finally { 1252 cursor.close(); 1253 } 1254 1255 return null; 1256 } 1257 1258 /** 1259 * makeSendReq should always return a non-null SendReq, whether the dest addresses are 1260 * valid or not. 1261 */ 1262 private static SendReq makeSendReq(Conversation conv, CharSequence subject) { 1263 String[] dests = conv.getRecipients().getNumbers(true /* scrub for MMS address */); 1264 1265 SendReq req = new SendReq(); 1266 EncodedStringValue[] encodedNumbers = EncodedStringValue.encodeStrings(dests); 1267 if (encodedNumbers != null) { 1268 req.setTo(encodedNumbers); 1269 } 1270 1271 if (!TextUtils.isEmpty(subject)) { 1272 req.setSubject(new EncodedStringValue(subject.toString())); 1273 } 1274 1275 req.setDate(System.currentTimeMillis() / 1000L); 1276 1277 return req; 1278 } 1279 1280 private static Uri createDraftMmsMessage(PduPersister persister, SendReq sendReq, 1281 SlideshowModel slideshow) { 1282 try { 1283 PduBody pb = slideshow.toPduBody(); 1284 sendReq.setBody(pb); 1285 Uri res = persister.persist(sendReq, Mms.Draft.CONTENT_URI); 1286 slideshow.sync(pb); 1287 return res; 1288 } catch (MmsException e) { 1289 return null; 1290 } 1291 } 1292 1293 private void asyncUpdateDraftMmsMessage(final Conversation conv) { 1294 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1295 LogTag.debug("asyncUpdateDraftMmsMessage conv=%s mMessageUri=%s", conv, mMessageUri); 1296 } 1297 1298 final PduPersister persister = PduPersister.getPduPersister(mActivity); 1299 final SendReq sendReq = makeSendReq(conv, mSubject); 1300 1301 new Thread(new Runnable() { 1302 public void run() { 1303 conv.ensureThreadId(); 1304 conv.setDraftState(true); 1305 if (mMessageUri == null) { 1306 mMessageUri = createDraftMmsMessage(persister, sendReq, mSlideshow); 1307 } else { 1308 updateDraftMmsMessage(mMessageUri, persister, mSlideshow, sendReq); 1309 } 1310 1311 // Be paranoid and delete any SMS drafts that might be lying around. Must do 1312 // this after ensureThreadId so conv has the correct thread id. 1313 asyncDeleteDraftSmsMessage(conv); 1314 } 1315 }).start(); 1316 } 1317 1318 private static void updateDraftMmsMessage(Uri uri, PduPersister persister, 1319 SlideshowModel slideshow, SendReq sendReq) { 1320 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1321 LogTag.debug("updateDraftMmsMessage uri=%s", uri); 1322 } 1323 if (uri == null) { 1324 Log.e(TAG, "updateDraftMmsMessage null uri"); 1325 return; 1326 } 1327 persister.updateHeaders(uri, sendReq); 1328 final PduBody pb = slideshow.toPduBody(); 1329 1330 try { 1331 persister.updateParts(uri, pb); 1332 } catch (MmsException e) { 1333 Log.e(TAG, "updateDraftMmsMessage: cannot update message " + uri); 1334 } 1335 1336 slideshow.sync(pb); 1337 } 1338 1339 private static final String SMS_DRAFT_WHERE = Sms.TYPE + "=" + Sms.MESSAGE_TYPE_DRAFT; 1340 private static final String[] SMS_BODY_PROJECTION = { Sms.BODY }; 1341 private static final int SMS_BODY_INDEX = 0; 1342 1343 /** 1344 * Reads a draft message for the given thread ID from the database, 1345 * if there is one, deletes it from the database, and returns it. 1346 * @return The draft message or an empty string. 1347 */ 1348 private String readDraftSmsMessage(Conversation conv) { 1349 long thread_id = conv.getThreadId(); 1350 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1351 LogTag.debug("readDraftSmsMessage tid=%d", thread_id); 1352 } 1353 // If it's an invalid thread or we know there's no draft, don't bother. 1354 if (thread_id <= 0 || !conv.hasDraft()) { 1355 return ""; 1356 } 1357 1358 Uri thread_uri = ContentUris.withAppendedId(Sms.Conversations.CONTENT_URI, thread_id); 1359 String body = ""; 1360 1361 Cursor c = SqliteWrapper.query(mActivity, mContentResolver, 1362 thread_uri, SMS_BODY_PROJECTION, SMS_DRAFT_WHERE, null, null); 1363 boolean haveDraft = false; 1364 if (c != null) { 1365 try { 1366 if (c.moveToFirst()) { 1367 body = c.getString(SMS_BODY_INDEX); 1368 haveDraft = true; 1369 } 1370 } finally { 1371 c.close(); 1372 } 1373 } 1374 1375 // We found a draft, and if there are no messages in the conversation, 1376 // that means we deleted the thread, too. Must reset the thread id 1377 // so we'll eventually create a new thread. 1378 if (haveDraft && conv.getMessageCount() == 0) { 1379 // Clean out drafts for this thread -- if the recipient set changes, 1380 // we will lose track of the original draft and be unable to delete 1381 // it later. The message will be re-saved if necessary upon exit of 1382 // the activity. 1383 asyncDeleteDraftSmsMessage(conv); 1384 1385 if (DEBUG) LogTag.debug("readDraftSmsMessage calling clearThreadId"); 1386 conv.clearThreadId(); 1387 1388 // since we removed the draft message in the db, and the conversation no longer 1389 // has a thread id, let's clear the draft state for 'thread_id' in the draft cache. 1390 // Otherwise if a new message arrives it could be assigned the same thread id, and 1391 // we'd mistaken it for a draft due to the stale draft cache. 1392 conv.setDraftState(false); 1393 } 1394 1395 return body; 1396 } 1397 1398 private void asyncUpdateDraftSmsMessage(final Conversation conv, final String contents) { 1399 new Thread(new Runnable() { 1400 public void run() { 1401 long threadId = conv.ensureThreadId(); 1402 conv.setDraftState(true); 1403 updateDraftSmsMessage(threadId, contents); 1404 } 1405 }).start(); 1406 } 1407 1408 private void updateDraftSmsMessage(long thread_id, String contents) { 1409 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1410 LogTag.debug("updateDraftSmsMessage tid=%d, contents=\"%s\"", thread_id, contents); 1411 } 1412 1413 // If we don't have a valid thread, there's nothing to do. 1414 if (thread_id <= 0) { 1415 return; 1416 } 1417 1418 ContentValues values = new ContentValues(3); 1419 values.put(Sms.THREAD_ID, thread_id); 1420 values.put(Sms.BODY, contents); 1421 values.put(Sms.TYPE, Sms.MESSAGE_TYPE_DRAFT); 1422 SqliteWrapper.insert(mActivity, mContentResolver, Sms.CONTENT_URI, values); 1423 asyncDeleteDraftMmsMessage(thread_id); 1424 } 1425 1426 private void asyncDelete(final Uri uri, final String selection, final String[] selectionArgs) { 1427 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1428 LogTag.debug("asyncDelete %s where %s", uri, selection); 1429 } 1430 new Thread(new Runnable() { 1431 public void run() { 1432 SqliteWrapper.delete(mActivity, mContentResolver, uri, selection, selectionArgs); 1433 } 1434 }).start(); 1435 } 1436 1437 private void asyncDeleteDraftSmsMessage(Conversation conv) { 1438 long threadId = conv.getThreadId(); 1439 if (threadId > 0) { 1440 asyncDelete(ContentUris.withAppendedId(Sms.Conversations.CONTENT_URI, threadId), 1441 SMS_DRAFT_WHERE, null); 1442 } 1443 } 1444 1445 private void deleteDraftSmsMessage(long threadId) { 1446 SqliteWrapper.delete(mActivity, mContentResolver, 1447 ContentUris.withAppendedId(Sms.Conversations.CONTENT_URI, threadId), 1448 SMS_DRAFT_WHERE, null); 1449 } 1450 1451 private void asyncDeleteDraftMmsMessage(long threadId) { 1452 final String where = Mms.THREAD_ID + " = " + threadId; 1453 asyncDelete(Mms.Draft.CONTENT_URI, where, null); 1454 } 1455 } 1456