WorkingMessage.java revision d62ef06699b3ca5048c5642bd50300e9a2eb04a1
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 17package com.android.mms.data; 18 19import java.util.List; 20 21import com.android.mms.MmsConfig; 22import com.android.mms.ExceedMessageSizeException; 23import com.android.mms.ResolutionException; 24import com.android.mms.UnsupportContentTypeException; 25import com.android.mms.LogTag; 26import com.android.mms.model.AudioModel; 27import com.android.mms.model.ImageModel; 28import com.android.mms.model.MediaModel; 29import com.android.mms.model.SlideModel; 30import com.android.mms.model.SlideshowModel; 31import com.android.mms.model.TextModel; 32import com.android.mms.model.VideoModel; 33import com.android.mms.transaction.MessageSender; 34import com.android.mms.transaction.MmsMessageSender; 35import com.android.mms.util.Recycler; 36import com.android.mms.transaction.SmsMessageSender; 37import com.android.mms.ui.ComposeMessageActivity; 38import com.android.mms.ui.MessageUtils; 39import com.android.mms.ui.SlideshowEditor; 40import com.google.android.mms.ContentType; 41import com.google.android.mms.MmsException; 42import com.google.android.mms.pdu.EncodedStringValue; 43import com.google.android.mms.pdu.PduBody; 44import com.google.android.mms.pdu.PduPersister; 45import com.google.android.mms.pdu.SendReq; 46import com.google.android.mms.util.SqliteWrapper; 47 48import android.content.ContentResolver; 49import android.content.ContentUris; 50import android.content.ContentValues; 51import android.content.Context; 52import android.database.Cursor; 53import android.net.Uri; 54import android.os.Bundle; 55import android.provider.Telephony.Mms; 56import android.provider.Telephony.Sms; 57import android.telephony.SmsMessage; 58import android.text.TextUtils; 59import android.util.Log; 60 61/** 62 * Contains all state related to a message being edited by the user. 63 */ 64public class WorkingMessage { 65 private static final String TAG = "WorkingMessage"; 66 private static final boolean DEBUG = false; 67 68 // Database access stuff 69 private final Context mContext; 70 private final ContentResolver mContentResolver; 71 72 // States that can require us to save or send a message as MMS. 73 private static final int RECIPIENTS_REQUIRE_MMS = (1 << 0); // 1 74 private static final int HAS_SUBJECT = (1 << 1); // 2 75 private static final int HAS_ATTACHMENT = (1 << 2); // 4 76 private static final int LENGTH_REQUIRES_MMS = (1 << 3); // 8 77 private static final int FORCE_MMS = (1 << 4); // 16 78 79 // A bitmap of the above indicating different properties of the message; 80 // any bit set will require the message to be sent via MMS. 81 private int mMmsState; 82 83 // Errors from setAttachment() 84 public static final int OK = 0; 85 public static final int UNKNOWN_ERROR = -1; 86 public static final int MESSAGE_SIZE_EXCEEDED = -2; 87 public static final int UNSUPPORTED_TYPE = -3; 88 public static final int IMAGE_TOO_LARGE = -4; 89 90 // Attachment types 91 public static final int TEXT = 0; 92 public static final int IMAGE = 1; 93 public static final int VIDEO = 2; 94 public static final int AUDIO = 3; 95 public static final int SLIDESHOW = 4; 96 97 // Current attachment type of the message; one of the above values. 98 private int mAttachmentType; 99 100 // Conversation this message is targeting. 101 private Conversation mConversation; 102 103 // Text of the message. 104 private CharSequence mText; 105 // Slideshow for this message, if applicable. If it's a simple attachment, 106 // i.e. not SLIDESHOW, it will contain only one slide. 107 private SlideshowModel mSlideshow; 108 // Data URI of an MMS message if we have had to save it. 109 private Uri mMessageUri; 110 // MMS subject line for this message 111 private CharSequence mSubject; 112 113 // Set to true if this message has been discarded. 114 private boolean mDiscarded = false; 115 116 // Our callback interface 117 private final MessageStatusListener mStatusListener; 118 private List<String> mWorkingRecipients; 119 120 // Message sizes in Outbox 121 private static final String[] MMS_OUTBOX_PROJECTION = { 122 Mms._ID, // 0 123 Mms.MESSAGE_SIZE // 1 124 }; 125 126 private static final int MMS_MESSAGE_SIZE_INDEX = 1; 127 128 129 /** 130 * Callback interface for communicating important state changes back to 131 * ComposeMessageActivity. 132 */ 133 public interface MessageStatusListener { 134 /** 135 * Called when the protocol for sending the message changes from SMS 136 * to MMS, and vice versa. 137 * 138 * @param mms If true, it changed to MMS. If false, to SMS. 139 */ 140 void onProtocolChanged(boolean mms); 141 142 /** 143 * Called when an attachment on the message has changed. 144 */ 145 void onAttachmentChanged(); 146 147 /** 148 * Called just before the process of sending a message. 149 */ 150 void onPreMessageSent(); 151 152 /** 153 * Called once the process of sending a message, triggered by 154 * {@link send} has completed. This doesn't mean the send succeeded, 155 * just that it has been dispatched to the network. 156 */ 157 void onMessageSent(); 158 159 /** 160 * Called if there are too many unsent messages in the queue and we're not allowing 161 * any more Mms's to be sent. 162 */ 163 void onMaxPendingMessagesReached(); 164 } 165 166 private WorkingMessage(ComposeMessageActivity activity) { 167 mContext = activity; 168 mContentResolver = mContext.getContentResolver(); 169 mStatusListener = activity; 170 mAttachmentType = TEXT; 171 mText = ""; 172 } 173 174 /** 175 * Creates a new working message. 176 */ 177 public static WorkingMessage createEmpty(ComposeMessageActivity activity) { 178 // Make a new empty working message. 179 WorkingMessage msg = new WorkingMessage(activity); 180 return msg; 181 } 182 183 /** 184 * Create a new WorkingMessage from the specified data URI, which typically 185 * contains an MMS message. 186 */ 187 public static WorkingMessage load(ComposeMessageActivity activity, Uri uri) { 188 // If the message is not already in the draft box, move it there. 189 if (!uri.toString().startsWith(Mms.Draft.CONTENT_URI.toString())) { 190 PduPersister persister = PduPersister.getPduPersister(activity); 191 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 192 LogTag.debug("load: moving %s to drafts", uri); 193 } 194 try { 195 uri = persister.move(uri, Mms.Draft.CONTENT_URI); 196 } catch (MmsException e) { 197 LogTag.error("Can't move %s to drafts", uri); 198 return null; 199 } 200 } 201 202 WorkingMessage msg = new WorkingMessage(activity); 203 if (msg.loadFromUri(uri)) { 204 return msg; 205 } 206 207 return null; 208 } 209 210 private void correctAttachmentState() { 211 int slideCount = mSlideshow.size(); 212 213 // If we get an empty slideshow, tear down all MMS 214 // state and discard the unnecessary message Uri. 215 if (slideCount == 0) { 216 mAttachmentType = TEXT; 217 mSlideshow = null; 218 asyncDelete(mMessageUri, null, null); 219 mMessageUri = null; 220 } else if (slideCount > 1) { 221 mAttachmentType = SLIDESHOW; 222 } else { 223 SlideModel slide = mSlideshow.get(0); 224 if (slide.hasImage()) { 225 mAttachmentType = IMAGE; 226 } else if (slide.hasVideo()) { 227 mAttachmentType = VIDEO; 228 } else if (slide.hasAudio()) { 229 mAttachmentType = AUDIO; 230 } 231 } 232 233 updateState(HAS_ATTACHMENT, hasAttachment(), false); 234 } 235 236 private boolean loadFromUri(Uri uri) { 237 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) LogTag.debug("loadFromUri %s", uri); 238 try { 239 mSlideshow = SlideshowModel.createFromMessageUri(mContext, uri); 240 } catch (MmsException e) { 241 LogTag.error("Couldn't load URI %s", uri); 242 return false; 243 } 244 245 mMessageUri = uri; 246 247 // Make sure all our state is as expected. 248 syncTextFromSlideshow(); 249 correctAttachmentState(); 250 251 return true; 252 } 253 254 /** 255 * Load the draft message for the specified conversation, or a new empty message if 256 * none exists. 257 */ 258 public static WorkingMessage loadDraft(ComposeMessageActivity activity, 259 Conversation conv) { 260 WorkingMessage msg = new WorkingMessage(activity); 261 if (msg.loadFromConversation(conv)) { 262 return msg; 263 } else { 264 return createEmpty(activity); 265 } 266 } 267 268 private boolean loadFromConversation(Conversation conv) { 269 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) LogTag.debug("loadFromConversation %s", conv); 270 271 long threadId = conv.getThreadId(); 272 if (threadId <= 0) { 273 return false; 274 } 275 276 // Look for an SMS draft first. 277 mText = readDraftSmsMessage(mContext, threadId, conv); 278 if (!TextUtils.isEmpty(mText)) { 279 return true; 280 } 281 282 // Then look for an MMS draft. 283 StringBuilder sb = new StringBuilder(); 284 Uri uri = readDraftMmsMessage(mContext, threadId, sb); 285 if (uri != null) { 286 if (loadFromUri(uri)) { 287 // If there was an MMS message, readDraftMmsMessage 288 // will put the subject in our supplied StringBuilder. 289 if (sb.length() > 0) { 290 setSubject(sb.toString(), false); 291 } 292 return true; 293 } 294 } 295 296 return false; 297 } 298 299 /** 300 * Sets the text of the message to the specified CharSequence. 301 */ 302 public void setText(CharSequence s) { 303 mText = s; 304 } 305 306 /** 307 * Returns the current message text. 308 */ 309 public CharSequence getText() { 310 return mText; 311 } 312 313 /** 314 * Returns true if the message has any text. 315 * @return 316 */ 317 public boolean hasText() { 318 return !TextUtils.isEmpty(mText); 319 } 320 321 /** 322 * Adds an attachment to the message, replacing an old one if it existed. 323 * @param type Type of this attachment, such as {@link IMAGE} 324 * @param dataUri Uri containing the attachment data (or null for {@link TEXT}) 325 * @param append true if we should add the attachment to a new slide 326 * @return An error code such as {@link UNKNOWN_ERROR} or {@link OK} if successful 327 */ 328 public int setAttachment(int type, Uri dataUri, boolean append) { 329 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 330 LogTag.debug("setAttachment type=%d uri %s", type, dataUri); 331 } 332 int result = OK; 333 334 // Make sure mSlideshow is set up and has a slide. 335 ensureSlideshow(); 336 337 // Change the attachment and translate the various underlying 338 // exceptions into useful error codes. 339 try { 340 if (append) { 341 appendMedia(type, dataUri); 342 } else { 343 changeMedia(type, dataUri); 344 } 345 } catch (MmsException e) { 346 result = UNKNOWN_ERROR; 347 } catch (UnsupportContentTypeException e) { 348 result = UNSUPPORTED_TYPE; 349 } catch (ExceedMessageSizeException e) { 350 result = MESSAGE_SIZE_EXCEEDED; 351 } catch (ResolutionException e) { 352 result = IMAGE_TOO_LARGE; 353 } 354 355 // If we were successful, update mAttachmentType and notify 356 // the listener than there was a change. 357 if (result == OK) { 358 mAttachmentType = type; 359 mStatusListener.onAttachmentChanged(); 360 } 361 362 // Set HAS_ATTACHMENT if we need it. 363 updateState(HAS_ATTACHMENT, hasAttachment(), true); 364 365 return result; 366 } 367 368 /** 369 * Returns true if this message contains anything worth saving. 370 */ 371 public boolean isWorthSaving() { 372 // If it actually contains anything, it's of course not empty. 373 if (hasText() || hasSubject() || hasAttachment() || hasSlideshow()) { 374 return true; 375 } 376 377 // When saveAsMms() has been called, we set FORCE_MMS to represent 378 // sort of an "invisible attachment" so that the message isn't thrown 379 // away when we are shipping it off to other activities. 380 if ((mMmsState & FORCE_MMS) > 0) { 381 return true; 382 } 383 384 return false; 385 } 386 387 /** 388 * Makes sure mSlideshow is set up. 389 */ 390 private void ensureSlideshow() { 391 if (mSlideshow != null) { 392 return; 393 } 394 395 SlideshowModel slideshow = SlideshowModel.createNew(mContext); 396 SlideModel slide = new SlideModel(slideshow); 397 slideshow.add(slide); 398 399 mSlideshow = slideshow; 400 } 401 402 /** 403 * Change the message's attachment to the data in the specified Uri. 404 * Used only for single-slide ("attachment mode") messages. 405 */ 406 private void changeMedia(int type, Uri uri) throws MmsException { 407 SlideModel slide = mSlideshow.get(0); 408 MediaModel media; 409 410 // Remove any previous attachments. 411 slide.removeImage(); 412 slide.removeVideo(); 413 slide.removeAudio(); 414 415 // If we're changing to text, just bail out. 416 if (type == TEXT) { 417 return; 418 } 419 420 // Make a correct MediaModel for the type of attachment. 421 if (type == IMAGE) { 422 media = new ImageModel(mContext, uri, mSlideshow.getLayout().getImageRegion()); 423 } else if (type == VIDEO) { 424 media = new VideoModel(mContext, uri, mSlideshow.getLayout().getImageRegion()); 425 } else if (type == AUDIO) { 426 media = new AudioModel(mContext, uri); 427 } else { 428 throw new IllegalArgumentException("changeMedia type=" + type + ", uri=" + uri); 429 } 430 431 // Add it to the slide. 432 slide.add(media); 433 434 // For video and audio, set the duration of the slide to 435 // that of the attachment. 436 if (type == VIDEO || type == AUDIO) { 437 slide.updateDuration(media.getDuration()); 438 } 439 } 440 441 /** 442 * Add the message's attachment to the data in the specified Uri to a new slide. 443 */ 444 private void appendMedia(int type, Uri uri) throws MmsException { 445 446 // If we're changing to text, just bail out. 447 if (type == TEXT) { 448 return; 449 } 450 451 // The first time this method is called, mSlideshow.size() is going to be 452 // one (a newly initialized slideshow has one empty slide). The first time we 453 // attach the picture/video to that first empty slide. From then on when this 454 // function is called, we've got to create a new slide and add the picture/video 455 // to that new slide. 456 boolean addNewSlide = true; 457 if (mSlideshow.size() == 1 && !mSlideshow.isSimple()) { 458 addNewSlide = false; 459 } 460 if (addNewSlide) { 461 SlideshowEditor slideShowEditor = new SlideshowEditor(mContext, mSlideshow); 462 if (!slideShowEditor.addNewSlide()) { 463 return; 464 } 465 } 466 // Make a correct MediaModel for the type of attachment. 467 MediaModel media; 468 SlideModel slide = mSlideshow.get(mSlideshow.size() - 1); 469 if (type == IMAGE) { 470 media = new ImageModel(mContext, uri, mSlideshow.getLayout().getImageRegion()); 471 } else if (type == VIDEO) { 472 media = new VideoModel(mContext, uri, mSlideshow.getLayout().getImageRegion()); 473 } else if (type == AUDIO) { 474 media = new AudioModel(mContext, uri); 475 } else { 476 throw new IllegalArgumentException("changeMedia type=" + type + ", uri=" + uri); 477 } 478 479 // Add it to the slide. 480 slide.add(media); 481 482 // For video and audio, set the duration of the slide to 483 // that of the attachment. 484 if (type == VIDEO || type == AUDIO) { 485 slide.updateDuration(media.getDuration()); 486 } 487 } 488 489 /** 490 * Returns true if the message has an attachment (including slideshows). 491 */ 492 public boolean hasAttachment() { 493 return (mAttachmentType > TEXT); 494 } 495 496 /** 497 * Returns the slideshow associated with this message. 498 */ 499 public SlideshowModel getSlideshow() { 500 return mSlideshow; 501 } 502 503 /** 504 * Returns true if the message has a real slideshow, as opposed to just 505 * one image attachment, for example. 506 */ 507 public boolean hasSlideshow() { 508 return (mAttachmentType == SLIDESHOW); 509 } 510 511 /** 512 * Sets the MMS subject of the message. Passing null indicates that there 513 * is no subject. Passing "" will result in an empty subject being added 514 * to the message, possibly triggering a conversion to MMS. This extra 515 * bit of state is needed to support ComposeMessageActivity converting to 516 * MMS when the user adds a subject. An empty subject will be removed 517 * before saving to disk or sending, however. 518 */ 519 public void setSubject(CharSequence s, boolean notify) { 520 mSubject = s; 521 updateState(HAS_SUBJECT, (s != null), notify); 522 } 523 524 /** 525 * Returns the MMS subject of the message. 526 */ 527 public CharSequence getSubject() { 528 return mSubject; 529 } 530 531 /** 532 * Returns true if this message has an MMS subject. 533 * @return 534 */ 535 public boolean hasSubject() { 536 return !TextUtils.isEmpty(mSubject); 537 } 538 539 /** 540 * Moves the message text into the slideshow. Should be called any time 541 * the message is about to be sent or written to disk. 542 */ 543 private void syncTextToSlideshow() { 544 if (mSlideshow == null || mSlideshow.size() != 1) 545 return; 546 547 SlideModel slide = mSlideshow.get(0); 548 TextModel text; 549 if (!slide.hasText()) { 550 // Add a TextModel to slide 0 if one doesn't already exist 551 text = new TextModel(mContext, ContentType.TEXT_PLAIN, "text_0.txt", 552 mSlideshow.getLayout().getTextRegion()); 553 slide.add(text); 554 } else { 555 // Otherwise just reuse the existing one. 556 text = slide.getText(); 557 } 558 text.setText(mText); 559 } 560 561 /** 562 * Sets the message text out of the slideshow. Should be called any time 563 * a slideshow is loaded from disk. 564 */ 565 private void syncTextFromSlideshow() { 566 // Don't sync text for real slideshows. 567 if (mSlideshow.size() != 1) { 568 return; 569 } 570 571 SlideModel slide = mSlideshow.get(0); 572 if (!slide.hasText()) { 573 return; 574 } 575 576 mText = slide.getText().getText(); 577 } 578 579 /** 580 * Removes the subject if it is empty, possibly converting back to SMS. 581 */ 582 private void removeSubjectIfEmpty(boolean notify) { 583 if (!hasSubject()) { 584 setSubject(null, notify); 585 } 586 } 587 588 /** 589 * Gets internal message state ready for storage. Should be called any 590 * time the message is about to be sent or written to disk. 591 */ 592 private void prepareForSave(boolean notify) { 593 // Make sure our working set of recipients is resolved 594 // to first-class Contact objects before we save. 595 syncWorkingRecipients(); 596 597 if (requiresMms()) { 598 ensureSlideshow(); 599 syncTextToSlideshow(); 600 removeSubjectIfEmpty(notify); 601 } 602 } 603 604 /** 605 * Resolve the temporary working set of recipients to a ContactList. 606 */ 607 public void syncWorkingRecipients() { 608 if (mWorkingRecipients != null) { 609 ContactList recipients = ContactList.getByNumbers(mWorkingRecipients, false); 610 mConversation.setRecipients(recipients); 611 mWorkingRecipients = null; 612 } 613 } 614 615 616 /** 617 * Force the message to be saved as MMS and return the Uri of the message. 618 * Typically used when handing a message off to another activity. 619 */ 620 public Uri saveAsMms() { 621 if (DEBUG) LogTag.debug("save mConversation=%s", mConversation); 622 623 if (mDiscarded) { 624 throw new IllegalStateException("save() called after discard()"); 625 } 626 627 // FORCE_MMS behaves as sort of an "invisible attachment", making 628 // the message seem non-empty (and thus not discarded). This bit 629 // is sticky until the last other MMS bit is removed, at which 630 // point the message will fall back to SMS. 631 updateState(FORCE_MMS, true, false); 632 633 // Collect our state to be written to disk. 634 prepareForSave(true /* notify */); 635 636 // Make sure we are saving to the correct thread ID. 637 mConversation.ensureThreadId(); 638 mConversation.setDraftState(true); 639 640 PduPersister persister = PduPersister.getPduPersister(mContext); 641 SendReq sendReq = makeSendReq(mConversation, mSubject); 642 643 // If we don't already have a Uri lying around, make a new one. If we do 644 // have one already, make sure it is synced to disk. 645 if (mMessageUri == null) { 646 mMessageUri = createDraftMmsMessage(persister, sendReq, mSlideshow); 647 } else { 648 updateDraftMmsMessage(mMessageUri, persister, mSlideshow, sendReq); 649 } 650 651 return mMessageUri; 652 } 653 654 /** 655 * Save this message as a draft in the conversation previously specified 656 * to {@link setConversation}. 657 */ 658 public void saveDraft() { 659 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 660 LogTag.debug("saveDraft"); 661 } 662 663 // If we have discarded the message, just bail out. 664 if (mDiscarded) { 665 return; 666 } 667 668 // Make sure setConversation was called. 669 if (mConversation == null) { 670 throw new IllegalStateException("saveDraft() called with no conversation"); 671 } 672 673 // Get ready to write to disk. But don't notify message status when saving draft 674 prepareForSave(false /* notify */); 675 676 if (requiresMms()) { 677 asyncUpdateDraftMmsMessage(mConversation); 678 } else { 679 asyncUpdateDraftSmsMessage(mConversation, mText.toString()); 680 } 681 682 // Update state of the draft cache. 683 mConversation.setDraftState(true); 684 } 685 686 public void discard() { 687 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 688 LogTag.debug("discard"); 689 } 690 691 // Technically, we could probably just bail out here. But discard() is 692 // really meant to be called if you never want to use the message again, 693 // so keep this assert in as a debugging aid. 694 if (mDiscarded == true) { 695 throw new IllegalStateException("discard() called twice"); 696 } 697 698 // Mark this message as discarded in order to make saveDraft() no-op. 699 mDiscarded = true; 700 701 // Delete our MMS message, if there is one. 702 if (mMessageUri != null) { 703 asyncDelete(mMessageUri, null, null); 704 } 705 706 // Delete any draft messages associated with this conversation. 707 asyncDeleteDraftSmsMessage(mConversation); 708 709 // Update state of the draft cache. 710 mConversation.setDraftState(false); 711 } 712 713 public void unDiscard() { 714 if (DEBUG) LogTag.debug("unDiscard"); 715 716 mDiscarded = false; 717 } 718 719 /** 720 * Returns true if discard() has been called on this message. 721 */ 722 public boolean isDiscarded() { 723 return mDiscarded; 724 } 725 726 /** 727 * To be called from our Activity's onSaveInstanceState() to give us a chance 728 * to stow our state away for later retrieval. 729 * 730 * @param bundle The Bundle passed in to onSaveInstanceState 731 */ 732 public void writeStateToBundle(Bundle bundle) { 733 if (hasSubject()) { 734 bundle.putString("subject", mSubject.toString()); 735 } 736 737 if (mMessageUri != null) { 738 bundle.putParcelable("msg_uri", mMessageUri); 739 } else if (hasText()) { 740 bundle.putString("sms_body", mText.toString()); 741 } 742 } 743 744 /** 745 * To be called from our Activity's onCreate() if the activity manager 746 * has given it a Bundle to reinflate 747 * @param bundle The Bundle passed in to onCreate 748 */ 749 public void readStateFromBundle(Bundle bundle) { 750 if (bundle == null) { 751 return; 752 } 753 754 String subject = bundle.getString("subject"); 755 setSubject(subject, false); 756 757 Uri uri = (Uri)bundle.getParcelable("msg_uri"); 758 if (uri != null) { 759 loadFromUri(uri); 760 return; 761 } else { 762 String body = bundle.getString("sms_body"); 763 mText = body; 764 } 765 } 766 767 /** 768 * Update the temporary list of recipients, used when setting up a 769 * new conversation. Will be converted to a ContactList on any 770 * save event (send, save draft, etc.) 771 */ 772 public void setWorkingRecipients(List<String> numbers) { 773 mWorkingRecipients = numbers; 774 } 775 776 /** 777 * Set the conversation associated with this message. 778 */ 779 public void setConversation(Conversation conv) { 780 if (DEBUG) LogTag.debug("setConversation %s -> %s", mConversation, conv); 781 782 mConversation = conv; 783 784 // Convert to MMS if there are any email addresses in the recipient list. 785 setHasEmail(conv.getRecipients().containsEmail()); 786 } 787 788 /** 789 * Hint whether or not this message will be delivered to an 790 * an email address. 791 */ 792 public void setHasEmail(boolean hasEmail) { 793 if (MmsConfig.getEmailGateway() != null) { 794 updateState(RECIPIENTS_REQUIRE_MMS, false, true); 795 } else { 796 updateState(RECIPIENTS_REQUIRE_MMS, hasEmail, true); 797 } 798 } 799 800 /** 801 * Returns true if this message would require MMS to send. 802 */ 803 public boolean requiresMms() { 804 return (mMmsState > 0); 805 } 806 807 /** 808 * Set whether or not we want to send this message via MMS in order to 809 * avoid sending an excessive number of concatenated SMS messages. 810 */ 811 public void setLengthRequiresMms(boolean mmsRequired) { 812 updateState(LENGTH_REQUIRES_MMS, mmsRequired, true); 813 } 814 815 private static String stateString(int state) { 816 if (state == 0) 817 return "<none>"; 818 819 StringBuilder sb = new StringBuilder(); 820 if ((state & RECIPIENTS_REQUIRE_MMS) > 0) 821 sb.append("RECIPIENTS_REQUIRE_MMS | "); 822 if ((state & HAS_SUBJECT) > 0) 823 sb.append("HAS_SUBJECT | "); 824 if ((state & HAS_ATTACHMENT) > 0) 825 sb.append("HAS_ATTACHMENT | "); 826 if ((state & LENGTH_REQUIRES_MMS) > 0) 827 sb.append("LENGTH_REQUIRES_MMS | "); 828 if ((state & FORCE_MMS) > 0) 829 sb.append("FORCE_MMS | "); 830 831 sb.delete(sb.length() - 3, sb.length()); 832 return sb.toString(); 833 } 834 835 /** 836 * Sets the current state of our various "MMS required" bits. 837 * 838 * @param state The bit to change, such as {@link HAS_ATTACHMENT} 839 * @param on If true, set it; if false, clear it 840 * @param notify Whether or not to notify the user 841 */ 842 private void updateState(int state, boolean on, boolean notify) { 843 int oldState = mMmsState; 844 if (on) { 845 mMmsState |= state; 846 } else { 847 mMmsState &= ~state; 848 } 849 850 // If we are clearing the last bit that is not FORCE_MMS, 851 // expire the FORCE_MMS bit. 852 if (mMmsState == FORCE_MMS && ((oldState & ~FORCE_MMS) > 0)) { 853 mMmsState = 0; 854 } 855 856 // Notify the listener if we are moving from SMS to MMS 857 // or vice versa. 858 if (notify) { 859 if (oldState == 0 && mMmsState != 0) { 860 mStatusListener.onProtocolChanged(true); 861 } else if (oldState != 0 && mMmsState == 0) { 862 mStatusListener.onProtocolChanged(false); 863 } 864 } 865 866 if (oldState != mMmsState) { 867 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) LogTag.debug("updateState: %s%s = %s", 868 on ? "+" : "-", 869 stateString(state), stateString(mMmsState)); 870 } 871 } 872 873 /** 874 * Send this message over the network. Will call back with onMessageSent() once 875 * it has been dispatched to the telephony stack. This WorkingMessage object is 876 * no longer useful after this method has been called. 877 */ 878 public void send() { 879 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 880 LogTag.debug("send"); 881 } 882 883 // Get ready to write to disk. 884 prepareForSave(true /* notify */); 885 886 // We need the recipient list for both SMS and MMS. 887 final Conversation conv = mConversation; 888 String msgTxt = mText.toString(); 889 890 if (requiresMms() || addressContainsEmailToMms(conv, msgTxt)) { 891 // Make local copies of the bits we need for sending a message, 892 // because we will be doing it off of the main thread, which will 893 // immediately continue on to resetting some of this state. 894 final Uri mmsUri = mMessageUri; 895 final PduPersister persister = PduPersister.getPduPersister(mContext); 896 897 final SlideshowModel slideshow = mSlideshow; 898 final SendReq sendReq = makeSendReq(conv, mSubject); 899 900 // Make sure the text in slide 0 is no longer holding onto a reference to the text 901 // in the message text box. 902 slideshow.prepareForSend(); 903 904 // Do the dirty work of sending the message off of the main UI thread. 905 new Thread(new Runnable() { 906 public void run() { 907 sendMmsWorker(conv, mmsUri, persister, slideshow, sendReq); 908 } 909 }).start(); 910 } else { 911 // Same rules apply as above. 912 final String msgText = mText.toString(); 913 new Thread(new Runnable() { 914 public void run() { 915 sendSmsWorker(conv, msgText); 916 } 917 }).start(); 918 } 919 920 // Mark the message as discarded because it is "off the market" after being sent. 921 mDiscarded = true; 922 } 923 924 private boolean addressContainsEmailToMms(Conversation conv, String text) { 925 if (MmsConfig.getEmailGateway() != null) { 926 String[] dests = conv.getRecipients().getNumbers(); 927 int length = dests.length; 928 for (int i = 0; i < length; i++) { 929 if (Mms.isEmailAddress(dests[i]) || MessageUtils.isAlias(dests[i])) { 930 String mtext = dests[i] + " " + text; 931 int[] params = SmsMessage.calculateLength(mtext, false); 932 if (params[0] > 1) { 933 updateState(RECIPIENTS_REQUIRE_MMS, true, true); 934 ensureSlideshow(); 935 syncTextToSlideshow(); 936 return true; 937 } 938 } 939 } 940 } 941 return false; 942 } 943 944 // Message sending stuff 945 946 private void sendSmsWorker(Conversation conv, String msgText) { 947 mStatusListener.onPreMessageSent(); 948 // Make sure we are still using the correct thread ID for our 949 // recipient set. 950 long threadId = conv.ensureThreadId(); 951 String[] dests = conv.getRecipients().getNumbers(); 952 953 MessageSender sender = new SmsMessageSender(mContext, dests, msgText, threadId); 954 try { 955 sender.sendMessage(threadId); 956 957 // Make sure this thread isn't over the limits in message count 958 Recycler.getSmsRecycler().deleteOldMessagesByThreadId(mContext, threadId); 959 } catch (Exception e) { 960 Log.e(TAG, "Failed to send SMS message, threadId=" + threadId, e); 961 } 962 963 mStatusListener.onMessageSent(); 964 } 965 966 private void sendMmsWorker(Conversation conv, Uri mmsUri, PduPersister persister, 967 SlideshowModel slideshow, SendReq sendReq) { 968 // First make sure we don't have too many outstanding unsent message. 969 Cursor cursor = null; 970 try { 971 cursor = SqliteWrapper.query(mContext, mContentResolver, 972 Mms.Outbox.CONTENT_URI, MMS_OUTBOX_PROJECTION, null, null, null); 973 if (cursor != null) { 974 long maxMessageSize = MmsConfig.getMaxSizeScaleForPendingMmsAllowed() * 975 MmsConfig.getMaxMessageSize(); 976 long totalPendingSize = 0; 977 while (cursor.moveToNext()) { 978 totalPendingSize += cursor.getLong(MMS_MESSAGE_SIZE_INDEX); 979 } 980 if (totalPendingSize >= maxMessageSize) { 981 unDiscard(); // it wasn't successfully sent. Allow it to be saved as a draft. 982 mStatusListener.onMaxPendingMessagesReached(); 983 return; 984 } 985 } 986 } finally { 987 if (cursor != null) { 988 cursor.close(); 989 } 990 } 991 mStatusListener.onPreMessageSent(); 992 993 // Make sure we are still using the correct thread ID for our 994 // recipient set. 995 long threadId = conv.ensureThreadId(); 996 997 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 998 LogTag.debug("sendMmsWorker: update draft MMS message " + mmsUri); 999 } 1000 1001 if (mmsUri == null) { 1002 // Create a new MMS message if one hasn't been made yet. 1003 mmsUri = createDraftMmsMessage(persister, sendReq, slideshow); 1004 } else { 1005 // Otherwise, sync the MMS message in progress to disk. 1006 updateDraftMmsMessage(mmsUri, persister, slideshow, sendReq); 1007 } 1008 1009 // Be paranoid and clean any draft SMS up. 1010 deleteDraftSmsMessage(threadId); 1011 1012 MessageSender sender = new MmsMessageSender(mContext, mmsUri, 1013 slideshow.getCurrentMessageSize()); 1014 try { 1015 if (!sender.sendMessage(threadId)) { 1016 // The message was sent through SMS protocol, we should 1017 // delete the copy which was previously saved in MMS drafts. 1018 SqliteWrapper.delete(mContext, mContentResolver, mmsUri, null, null); 1019 } 1020 1021 // Make sure this thread isn't over the limits in message count 1022 Recycler.getMmsRecycler().deleteOldMessagesByThreadId(mContext, threadId); 1023 } catch (Exception e) { 1024 Log.e(TAG, "Failed to send message: " + mmsUri + ", threadId=" + threadId, e); 1025 } 1026 1027 mStatusListener.onMessageSent(); 1028 } 1029 1030 // Draft message stuff 1031 1032 private static final String[] MMS_DRAFT_PROJECTION = { 1033 Mms._ID, // 0 1034 Mms.SUBJECT // 1 1035 }; 1036 1037 private static final int MMS_ID_INDEX = 0; 1038 private static final int MMS_SUBJECT_INDEX = 1; 1039 1040 private static Uri readDraftMmsMessage(Context context, long threadId, StringBuilder sb) { 1041 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1042 LogTag.debug("readDraftMmsMessage tid=%d", threadId); 1043 } 1044 Cursor cursor; 1045 ContentResolver cr = context.getContentResolver(); 1046 1047 final String selection = Mms.THREAD_ID + " = " + threadId; 1048 cursor = SqliteWrapper.query(context, cr, 1049 Mms.Draft.CONTENT_URI, MMS_DRAFT_PROJECTION, 1050 selection, null, null); 1051 1052 Uri uri; 1053 try { 1054 if (cursor.moveToFirst()) { 1055 uri = ContentUris.withAppendedId(Mms.Draft.CONTENT_URI, 1056 cursor.getLong(MMS_ID_INDEX)); 1057 String subject = cursor.getString(MMS_SUBJECT_INDEX); 1058 if (subject != null) { 1059 sb.append(subject); 1060 } 1061 return uri; 1062 } 1063 } finally { 1064 cursor.close(); 1065 } 1066 1067 return null; 1068 } 1069 1070 private static SendReq makeSendReq(Conversation conv, CharSequence subject) { 1071 String[] dests = conv.getRecipients().getNumbers(); 1072 SendReq req = new SendReq(); 1073 EncodedStringValue[] encodedNumbers = EncodedStringValue.encodeStrings(dests); 1074 if (encodedNumbers != null) { 1075 req.setTo(encodedNumbers); 1076 } 1077 1078 if (!TextUtils.isEmpty(subject)) { 1079 req.setSubject(new EncodedStringValue(subject.toString())); 1080 } 1081 1082 req.setDate(System.currentTimeMillis() / 1000L); 1083 1084 return req; 1085 } 1086 1087 private static Uri createDraftMmsMessage(PduPersister persister, SendReq sendReq, 1088 SlideshowModel slideshow) { 1089 try { 1090 PduBody pb = slideshow.toPduBody(); 1091 sendReq.setBody(pb); 1092 Uri res = persister.persist(sendReq, Mms.Draft.CONTENT_URI); 1093 slideshow.sync(pb); 1094 return res; 1095 } catch (MmsException e) { 1096 return null; 1097 } 1098 } 1099 1100 private void asyncUpdateDraftMmsMessage(final Conversation conv) { 1101 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1102 LogTag.debug("asyncUpdateDraftMmsMessage conv=%s mMessageUri=%s", conv, mMessageUri); 1103 } 1104 1105 final PduPersister persister = PduPersister.getPduPersister(mContext); 1106 final SendReq sendReq = makeSendReq(conv, mSubject); 1107 1108 new Thread(new Runnable() { 1109 public void run() { 1110 conv.ensureThreadId(); 1111 conv.setDraftState(true); 1112 if (mMessageUri == null) { 1113 mMessageUri = createDraftMmsMessage(persister, sendReq, mSlideshow); 1114 } else { 1115 updateDraftMmsMessage(mMessageUri, persister, mSlideshow, sendReq); 1116 } 1117 } 1118 }).start(); 1119 1120 // Be paranoid and delete any SMS drafts that might be lying around. 1121 asyncDeleteDraftSmsMessage(conv); 1122 } 1123 1124 private static void updateDraftMmsMessage(Uri uri, PduPersister persister, 1125 SlideshowModel slideshow, SendReq sendReq) { 1126 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1127 LogTag.debug("updateDraftMmsMessage uri=%s", uri); 1128 } 1129 if (uri == null) { 1130 Log.e(TAG, "updateDraftMmsMessage null uri"); 1131 return; 1132 } 1133 persister.updateHeaders(uri, sendReq); 1134 final PduBody pb = slideshow.toPduBody(); 1135 1136 try { 1137 persister.updateParts(uri, pb); 1138 } catch (MmsException e) { 1139 Log.e(TAG, "updateDraftMmsMessage: cannot update message " + uri); 1140 } 1141 1142 slideshow.sync(pb); 1143 } 1144 1145 private static final String SMS_DRAFT_WHERE = Sms.TYPE + "=" + Sms.MESSAGE_TYPE_DRAFT; 1146 private static final String[] SMS_BODY_PROJECTION = { Sms.BODY }; 1147 private static final int SMS_BODY_INDEX = 0; 1148 1149 /** 1150 * Reads a draft message for the given thread ID from the database, 1151 * if there is one, deletes it from the database, and returns it. 1152 * @return The draft message or an empty string. 1153 */ 1154 private static String readDraftSmsMessage(Context context, long thread_id, Conversation conv) { 1155 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1156 LogTag.debug("readDraftSmsMessage tid=%d", thread_id); 1157 } 1158 ContentResolver cr = context.getContentResolver(); 1159 1160 // If it's an invalid thread, don't bother. 1161 if (thread_id <= 0) { 1162 return ""; 1163 } 1164 1165 Uri thread_uri = ContentUris.withAppendedId(Sms.Conversations.CONTENT_URI, thread_id); 1166 String body = ""; 1167 1168 Cursor c = SqliteWrapper.query(context, cr, 1169 thread_uri, SMS_BODY_PROJECTION, SMS_DRAFT_WHERE, null, null); 1170 try { 1171 if (c.moveToFirst()) { 1172 body = c.getString(SMS_BODY_INDEX); 1173 } 1174 } finally { 1175 c.close(); 1176 } 1177 1178 // Clean out drafts for this thread -- if the recipient set changes, 1179 // we will lose track of the original draft and be unable to delete 1180 // it later. The message will be re-saved if necessary upon exit of 1181 // the activity. 1182 SqliteWrapper.delete(context, cr, thread_uri, SMS_DRAFT_WHERE, null); 1183 1184 // We found a draft, and if there are no messages in the conversation, 1185 // that means we deleted the thread, too. Must reset the thread id 1186 // so we'll eventually create a new thread. 1187 if (conv.getMessageCount() == 0) { 1188 if (DEBUG) LogTag.debug("readDraftSmsMessage calling clearThreadId"); 1189 conv.clearThreadId(); 1190 } 1191 1192 return body; 1193 } 1194 1195 private void asyncUpdateDraftSmsMessage(final Conversation conv, final String contents) { 1196 new Thread(new Runnable() { 1197 public void run() { 1198 long threadId = conv.ensureThreadId(); 1199 conv.setDraftState(true); 1200 updateDraftSmsMessage(threadId, contents); 1201 } 1202 }).start(); 1203 } 1204 1205 private void updateDraftSmsMessage(long thread_id, String contents) { 1206 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1207 LogTag.debug("updateDraftSmsMessage tid=%d, contents=\"%s\"", thread_id, contents); 1208 } 1209 1210 // If we don't have a valid thread, there's nothing to do. 1211 if (thread_id <= 0) { 1212 return; 1213 } 1214 1215 // Don't bother saving an empty message. 1216 if (TextUtils.isEmpty(contents)) { 1217 // But delete the old draft message if it's there. 1218 deleteDraftSmsMessage(thread_id); 1219 return; 1220 } 1221 1222 ContentValues values = new ContentValues(3); 1223 values.put(Sms.THREAD_ID, thread_id); 1224 values.put(Sms.BODY, contents); 1225 values.put(Sms.TYPE, Sms.MESSAGE_TYPE_DRAFT); 1226 SqliteWrapper.insert(mContext, mContentResolver, Sms.CONTENT_URI, values); 1227 asyncDeleteDraftMmsMessage(thread_id); 1228 } 1229 1230 private void asyncDelete(final Uri uri, final String selection, final String[] selectionArgs) { 1231 if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) { 1232 LogTag.debug("asyncDelete %s where %s", uri, selection); 1233 } 1234 new Thread(new Runnable() { 1235 public void run() { 1236 SqliteWrapper.delete(mContext, mContentResolver, uri, selection, selectionArgs); 1237 } 1238 }).start(); 1239 } 1240 1241 private void asyncDeleteDraftSmsMessage(Conversation conv) { 1242 long threadId = conv.getThreadId(); 1243 if (threadId > 0) { 1244 asyncDelete(ContentUris.withAppendedId(Sms.Conversations.CONTENT_URI, threadId), 1245 SMS_DRAFT_WHERE, null); 1246 } 1247 } 1248 1249 private void deleteDraftSmsMessage(long threadId) { 1250 SqliteWrapper.delete(mContext, mContentResolver, 1251 ContentUris.withAppendedId(Sms.Conversations.CONTENT_URI, threadId), 1252 SMS_DRAFT_WHERE, null); 1253 } 1254 1255 private void asyncDeleteDraftMmsMessage(long threadId) { 1256 final String where = Mms.THREAD_ID + " = " + threadId; 1257 asyncDelete(Mms.Draft.CONTENT_URI, where, null); 1258 } 1259 1260} 1261