MessageList.java revision 285efb4aff0c3a0ef15d249223d9e8c6c3d0ce77
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.email.activity; 18 19import com.android.email.Controller; 20import com.android.email.R; 21import com.android.email.Utility; 22import com.android.email.activity.setup.AccountSettings; 23import com.android.email.mail.MessagingException; 24import com.android.email.provider.EmailContent; 25import com.android.email.provider.EmailContent.Account; 26import com.android.email.provider.EmailContent.AccountColumns; 27import com.android.email.provider.EmailContent.Mailbox; 28import com.android.email.provider.EmailContent.MailboxColumns; 29import com.android.email.provider.EmailContent.MessageColumns; 30import com.android.email.service.MailService; 31 32import android.app.ListActivity; 33import android.app.NotificationManager; 34import android.content.ContentResolver; 35import android.content.ContentUris; 36import android.content.Context; 37import android.content.Intent; 38import android.content.res.Resources; 39import android.database.Cursor; 40import android.graphics.drawable.Drawable; 41import android.net.Uri; 42import android.os.AsyncTask; 43import android.os.Bundle; 44import android.os.Handler; 45import android.util.Log; 46import android.view.ContextMenu; 47import android.view.LayoutInflater; 48import android.view.Menu; 49import android.view.MenuItem; 50import android.view.View; 51import android.view.ViewGroup; 52import android.view.Window; 53import android.view.ContextMenu.ContextMenuInfo; 54import android.view.View.OnClickListener; 55import android.view.animation.AnimationUtils; 56import android.widget.AdapterView; 57import android.widget.Button; 58import android.widget.CursorAdapter; 59import android.widget.ImageView; 60import android.widget.ListView; 61import android.widget.ProgressBar; 62import android.widget.TextView; 63import android.widget.Toast; 64import android.widget.AdapterView.OnItemClickListener; 65 66import java.util.Date; 67import java.util.HashSet; 68import java.util.Set; 69 70public class MessageList extends ListActivity implements OnItemClickListener, OnClickListener { 71 // Intent extras (internal to this activity) 72 private static final String EXTRA_ACCOUNT_ID = "com.android.email.activity._ACCOUNT_ID"; 73 private static final String EXTRA_MAILBOX_TYPE = "com.android.email.activity.MAILBOX_TYPE"; 74 private static final String EXTRA_MAILBOX_ID = "com.android.email.activity.MAILBOX_ID"; 75 76 // UI support 77 private ListView mListView; 78 private View mMultiSelectPanel; 79 private Button mReadUnreadButton; 80 private Button mFavoriteButton; 81 private Button mDeleteButton; 82 private View mListFooterView; 83 private TextView mListFooterText; 84 private View mListFooterProgress; 85 86 private static final int LIST_FOOTER_MODE_NONE = 0; 87 private static final int LIST_FOOTER_MODE_REFRESH = 1; 88 private static final int LIST_FOOTER_MODE_MORE = 2; 89 private static final int LIST_FOOTER_MODE_SEND = 3; 90 private int mListFooterMode; 91 92 private MessageListAdapter mListAdapter; 93 private MessageListHandler mHandler = new MessageListHandler(); 94 private Controller mController = Controller.getInstance(getApplication()); 95 private ControllerResults mControllerCallback = new ControllerResults(); 96 private TextView mLeftTitle; 97 private TextView mRightTitle; 98 private ProgressBar mProgressIcon; 99 100 private static final int[] mColorChipResIds = new int[] { 101 R.drawable.appointment_indicator_leftside_1, 102 R.drawable.appointment_indicator_leftside_2, 103 R.drawable.appointment_indicator_leftside_3, 104 R.drawable.appointment_indicator_leftside_4, 105 R.drawable.appointment_indicator_leftside_5, 106 R.drawable.appointment_indicator_leftside_6, 107 R.drawable.appointment_indicator_leftside_7, 108 R.drawable.appointment_indicator_leftside_8, 109 R.drawable.appointment_indicator_leftside_9, 110 R.drawable.appointment_indicator_leftside_10, 111 R.drawable.appointment_indicator_leftside_11, 112 R.drawable.appointment_indicator_leftside_12, 113 R.drawable.appointment_indicator_leftside_13, 114 R.drawable.appointment_indicator_leftside_14, 115 R.drawable.appointment_indicator_leftside_15, 116 R.drawable.appointment_indicator_leftside_16, 117 R.drawable.appointment_indicator_leftside_17, 118 R.drawable.appointment_indicator_leftside_18, 119 R.drawable.appointment_indicator_leftside_19, 120 R.drawable.appointment_indicator_leftside_20, 121 R.drawable.appointment_indicator_leftside_21, 122 }; 123 124 // DB access 125 private ContentResolver mResolver; 126 private long mMailboxId; 127 private LoadMessagesTask mLoadMessagesTask; 128 private FindMailboxTask mFindMailboxTask; 129 private SetTitleTask mSetTitleTask; 130 private SetFooterTask mSetFooterTask; 131 132 public final static String[] MAILBOX_FIND_INBOX_PROJECTION = new String[] { 133 EmailContent.RECORD_ID, MailboxColumns.TYPE, MailboxColumns.FLAG_VISIBLE 134 }; 135 136 private static final int MAILBOX_NAME_COLUMN_ID = 0; 137 private static final int MAILBOX_NAME_COLUMN_ACCOUNT_KEY = 1; 138 private static final int MAILBOX_NAME_COLUMN_TYPE = 2; 139 private static final String[] MAILBOX_NAME_PROJECTION = new String[] { 140 MailboxColumns.DISPLAY_NAME, MailboxColumns.ACCOUNT_KEY, 141 MailboxColumns.TYPE}; 142 143 private static final int ACCOUNT_DISPLAY_NAME_COLUMN_ID = 0; 144 private static final String[] ACCOUNT_NAME_PROJECTION = new String[] { 145 AccountColumns.DISPLAY_NAME }; 146 147 private static final String ID_SELECTION = EmailContent.RECORD_ID + "=?"; 148 149 /** 150 * Open a specific mailbox. 151 * 152 * TODO This should just shortcut to a more generic version that can accept a list of 153 * accounts/mailboxes (e.g. merged inboxes). 154 * 155 * @param context 156 * @param id mailbox key 157 */ 158 public static void actionHandleMailbox(Context context, long id) { 159 Intent intent = new Intent(context, MessageList.class); 160 intent.putExtra(EXTRA_MAILBOX_ID, id); 161 context.startActivity(intent); 162 } 163 164 /** 165 * Open a specific mailbox by account & type 166 * 167 * @param context The caller's context (for generating an intent) 168 * @param accountId The account to open 169 * @param mailboxType the type of mailbox to open (e.g. @see EmailContent.Mailbox.TYPE_INBOX) 170 */ 171 public static void actionHandleAccount(Context context, long accountId, int mailboxType) { 172 Intent intent = new Intent(context, MessageList.class); 173 intent.putExtra(EXTRA_ACCOUNT_ID, accountId); 174 intent.putExtra(EXTRA_MAILBOX_TYPE, mailboxType); 175 context.startActivity(intent); 176 } 177 178 /** 179 * Return an intent to open a specific mailbox by account & type. It will also clear 180 * notifications. 181 * 182 * @param context The caller's context (for generating an intent) 183 * @param accountId The account to open, or -1 184 * @param mailboxId the ID of the mailbox to open, or -1 185 * @param mailboxType the type of mailbox to open (e.g. @see Mailbox.TYPE_INBOX) or -1 186 */ 187 public static Intent actionHandleAccountIntent(Context context, long accountId, 188 long mailboxId, int mailboxType) { 189 Intent intent = new Intent(context, MessageList.class); 190 intent.putExtra(EXTRA_ACCOUNT_ID, accountId); 191 intent.putExtra(EXTRA_MAILBOX_ID, mailboxId); 192 intent.putExtra(EXTRA_MAILBOX_TYPE, mailboxType); 193 return intent; 194 } 195 196 /** 197 * Used for generating lightweight (Uri-only) intents. 198 * 199 * @param context Calling context for building the intent 200 * @param accountId The account of interest 201 * @param mailboxType The folder name to open (typically Mailbox.TYPE_INBOX) 202 * @return an Intent which can be used to view that account 203 */ 204 public static Intent actionHandleAccountUriIntent(Context context, long accountId, 205 int mailboxType) { 206 Intent i = actionHandleAccountIntent(context, accountId, -1, mailboxType); 207 i.removeExtra(EXTRA_ACCOUNT_ID); 208 Uri uri = ContentUris.withAppendedId(Account.CONTENT_URI, accountId); 209 i.setData(uri); 210 return i; 211 } 212 213 @Override 214 public void onCreate(Bundle icicle) { 215 super.onCreate(icicle); 216 217 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); 218 setContentView(R.layout.message_list); 219 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, 220 R.layout.list_title); 221 222 mListView = getListView(); 223 mMultiSelectPanel = findViewById(R.id.footer_organize); 224 mReadUnreadButton = (Button) findViewById(R.id.btn_read_unread); 225 mFavoriteButton = (Button) findViewById(R.id.btn_multi_favorite); 226 mDeleteButton = (Button) findViewById(R.id.btn_multi_delete); 227 228 mLeftTitle = (TextView) findViewById(R.id.title_left_text); 229 mRightTitle = (TextView) findViewById(R.id.title_right_text); 230 mProgressIcon = (ProgressBar) findViewById(R.id.title_progress_icon); 231 232 mReadUnreadButton.setOnClickListener(this); 233 mFavoriteButton.setOnClickListener(this); 234 mDeleteButton.setOnClickListener(this); 235 236 mListView.setOnItemClickListener(this); 237 mListView.setItemsCanFocus(false); 238 registerForContextMenu(mListView); 239 240 mListAdapter = new MessageListAdapter(this); 241 setListAdapter(mListAdapter); 242 243 mResolver = getContentResolver(); 244 245 // TODO extend this to properly deal with multiple mailboxes, cursor, etc. 246 247 // Select 'by id' or 'by type' or 'by uri' mode and launch appropriate queries 248 249 mMailboxId = getIntent().getLongExtra(EXTRA_MAILBOX_ID, -1); 250 if (mMailboxId != -1) { 251 // Specific mailbox ID was provided - go directly to it 252 mSetTitleTask = new SetTitleTask(mMailboxId); 253 mSetTitleTask.execute(); 254 mLoadMessagesTask = new LoadMessagesTask(mMailboxId, -1); 255 mLoadMessagesTask.execute(); 256 addFooterView(mMailboxId, -1, -1); 257 } else { 258 long accountId = -1; 259 int mailboxType = getIntent().getIntExtra(EXTRA_MAILBOX_TYPE, Mailbox.TYPE_INBOX); 260 Uri uri = getIntent().getData(); 261 if (uri != null 262 && "content".equals(uri.getScheme()) 263 && EmailContent.AUTHORITY.equals(uri.getAuthority())) { 264 // A content URI was provided - try to look up the account 265 String accountIdString = uri.getPathSegments().get(1); 266 if (accountIdString != null) { 267 accountId = Long.parseLong(accountIdString); 268 } 269 mFindMailboxTask = new FindMailboxTask(accountId, mailboxType, false); 270 mFindMailboxTask.execute(); 271 } else { 272 // Go by account id + type 273 accountId = getIntent().getLongExtra(EXTRA_ACCOUNT_ID, -1); 274 mFindMailboxTask = new FindMailboxTask(accountId, mailboxType, true); 275 mFindMailboxTask.execute(); 276 } 277 addFooterView(-1, accountId, mailboxType); 278 } 279 280 // TODO set title to "account > mailbox (#unread)" 281 } 282 283 @Override 284 public void onPause() { 285 super.onPause(); 286 mController.removeResultCallback(mControllerCallback); 287 } 288 289 @Override 290 public void onResume() { 291 super.onResume(); 292 mController.addResultCallback(mControllerCallback); 293 294 // clear notifications here 295 NotificationManager notificationManager = (NotificationManager) 296 getSystemService(Context.NOTIFICATION_SERVICE); 297 notificationManager.cancel(MailService.NEW_MESSAGE_NOTIFICATION_ID); 298 } 299 300 @Override 301 protected void onDestroy() { 302 super.onDestroy(); 303 304 if (mLoadMessagesTask != null && 305 mLoadMessagesTask.getStatus() != LoadMessagesTask.Status.FINISHED) { 306 mLoadMessagesTask.cancel(true); 307 mLoadMessagesTask = null; 308 } 309 if (mFindMailboxTask != null && 310 mFindMailboxTask.getStatus() != FindMailboxTask.Status.FINISHED) { 311 mFindMailboxTask.cancel(true); 312 mFindMailboxTask = null; 313 } 314 if (mSetTitleTask != null && 315 mSetTitleTask.getStatus() != SetTitleTask.Status.FINISHED) { 316 mSetTitleTask.cancel(true); 317 mSetTitleTask = null; 318 } 319 if (mSetFooterTask != null && 320 mSetFooterTask.getStatus() != SetTitleTask.Status.FINISHED) { 321 mSetFooterTask.cancel(true); 322 mSetFooterTask = null; 323 } 324 } 325 326 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 327 if (view != mListFooterView) { 328 MessageListItem itemView = (MessageListItem) view; 329 onOpenMessage(id, itemView.mMailboxId); 330 } else { 331 doFooterClick(); 332 } 333 } 334 335 public void onClick(View v) { 336 switch (v.getId()) { 337 case R.id.btn_read_unread: 338 onMultiToggleRead(mListAdapter.getSelectedSet()); 339 break; 340 case R.id.btn_multi_favorite: 341 onMultiToggleFavorite(mListAdapter.getSelectedSet()); 342 break; 343 case R.id.btn_multi_delete: 344 onMultiDelete(mListAdapter.getSelectedSet()); 345 break; 346 } 347 } 348 349 @Override 350 public boolean onCreateOptionsMenu(Menu menu) { 351 super.onCreateOptionsMenu(menu); 352 if (mMailboxId < 0) { 353 getMenuInflater().inflate(R.menu.message_list_option_smart_folder, menu); 354 } else { 355 getMenuInflater().inflate(R.menu.message_list_option, menu); 356 } 357 return true; 358 } 359 360 @Override 361 public boolean onOptionsItemSelected(MenuItem item) { 362 switch (item.getItemId()) { 363 case R.id.refresh: 364 onRefresh(); 365 return true; 366 case R.id.folders: 367 onFolders(); 368 return true; 369 case R.id.accounts: 370 onAccounts(); 371 return true; 372 case R.id.compose: 373 onCompose(); 374 return true; 375 case R.id.account_settings: 376 onEditAccount(); 377 return true; 378 default: 379 return super.onOptionsItemSelected(item); 380 } 381 } 382 383 @Override 384 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { 385 super.onCreateContextMenu(menu, v, menuInfo); 386 // There is no context menu for the list footer 387 if (v == mListFooterView) { 388 return; 389 } 390 391 AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; 392 MessageListItem itemView = (MessageListItem) info.targetView; 393 394 Cursor c = (Cursor) mListView.getItemAtPosition(info.position); 395 String messageName = c.getString(MessageListAdapter.COLUMN_SUBJECT); 396 397 menu.setHeaderTitle(messageName); 398 399 // TODO: There is probably a special context menu for the trash 400 Mailbox mailbox = Mailbox.restoreMailboxWithId(this, itemView.mMailboxId); 401 402 switch (mailbox.mType) { 403 case EmailContent.Mailbox.TYPE_DRAFTS: 404 getMenuInflater().inflate(R.menu.message_list_context_drafts, menu); 405 break; 406 case EmailContent.Mailbox.TYPE_OUTBOX: 407 getMenuInflater().inflate(R.menu.message_list_context_outbox, menu); 408 break; 409 case EmailContent.Mailbox.TYPE_TRASH: 410 getMenuInflater().inflate(R.menu.message_list_context_trash, menu); 411 break; 412 default: 413 getMenuInflater().inflate(R.menu.message_list_context, menu); 414 // The default menu contains "mark as read". If the message is read, change 415 // the menu text to "mark as unread." 416 if (itemView.mRead) { 417 menu.findItem(R.id.mark_as_read).setTitle(R.string.mark_as_unread_action); 418 } 419 break; 420 } 421 } 422 423 @Override 424 public boolean onContextItemSelected(MenuItem item) { 425 AdapterView.AdapterContextMenuInfo info = 426 (AdapterView.AdapterContextMenuInfo) item.getMenuInfo(); 427 MessageListItem itemView = (MessageListItem) info.targetView; 428 429 switch (item.getItemId()) { 430 case R.id.open: 431 onOpenMessage(info.id, itemView.mMailboxId); 432 break; 433 case R.id.delete: 434 onDelete(info.id, itemView.mAccountId); 435 break; 436 case R.id.reply: 437 onReply(itemView.mMessageId); 438 break; 439 case R.id.reply_all: 440 onReplyAll(itemView.mMessageId); 441 break; 442 case R.id.forward: 443 onForward(itemView.mMessageId); 444 break; 445 case R.id.mark_as_read: 446 onSetMessageRead(info.id, !itemView.mRead); 447 break; 448 } 449 return super.onContextItemSelected(item); 450 } 451 452 private void onRefresh() { 453 // TODO: This needs to loop through all open mailboxes (there might be more than one) 454 // TODO: Should not be reading from DB in UI thread - need a cleaner way to get accountId 455 if (mMailboxId >= 0) { 456 Mailbox mailbox = Mailbox.restoreMailboxWithId(this, mMailboxId); 457 mController.updateMailbox(mailbox.mAccountKey, mMailboxId, mControllerCallback); 458 } 459 } 460 461 private void onFolders() { 462 if (mMailboxId >= 0) { 463 // TODO smaller projection 464 Mailbox mailbox = Mailbox.restoreMailboxWithId(this, mMailboxId); 465 MailboxList.actionHandleAccount(this, mailbox.mAccountKey); 466 finish(); 467 } 468 } 469 470 private void onAccounts() { 471 AccountFolderList.actionShowAccounts(this); 472 finish(); 473 } 474 475 private long lookupAccountIdFromMailboxId(long mailboxId) { 476 // TODO: Select correct account to send from when there are multiple mailboxes 477 // TODO: Should not be reading from DB in UI thread 478 if (mailboxId < 0) { 479 return -1; // no info, default account 480 } 481 EmailContent.Mailbox mailbox = 482 EmailContent.Mailbox.restoreMailboxWithId(this, mailboxId); 483 return mailbox.mAccountKey; 484 } 485 486 private void onCompose() { 487 MessageCompose.actionCompose(this, lookupAccountIdFromMailboxId(mMailboxId)); 488 } 489 490 private void onEditAccount() { 491 AccountSettings.actionSettings(this, lookupAccountIdFromMailboxId(mMailboxId)); 492 } 493 494 private void onOpenMessage(long messageId, long mailboxId) { 495 // TODO: Should not be reading from DB in UI thread 496 EmailContent.Mailbox mailbox = EmailContent.Mailbox.restoreMailboxWithId(this, mailboxId); 497 498 if (mailbox.mType == EmailContent.Mailbox.TYPE_DRAFTS) { 499 MessageCompose.actionEditDraft(this, messageId); 500 } else { 501 MessageView.actionView(this, messageId, mailboxId); 502 } 503 } 504 505 private void onReply(long messageId) { 506 MessageCompose.actionReply(this, messageId, false); 507 } 508 509 private void onReplyAll(long messageId) { 510 MessageCompose.actionReply(this, messageId, true); 511 } 512 513 private void onForward(long messageId) { 514 MessageCompose.actionForward(this, messageId); 515 } 516 517 private void onLoadMoreMessages() { 518 if (mMailboxId >= 0) { 519 mController.loadMoreMessages(mMailboxId, mControllerCallback); 520 } 521 } 522 523 private void onSendPendingMessages() { 524 long accountId = lookupAccountIdFromMailboxId(mMailboxId); 525 mController.sendPendingMessages(accountId, mControllerCallback); 526 } 527 528 private void onDelete(long messageId, long accountId) { 529 mController.deleteMessage(messageId, accountId); 530 Toast.makeText(this, R.string.message_deleted_toast, Toast.LENGTH_SHORT).show(); 531 } 532 533 private void onSetMessageRead(long messageId, boolean newRead) { 534 mController.setMessageRead(messageId, newRead); 535 } 536 537 private void onSetMessageFavorite(long messageId, boolean newFavorite) { 538 mController.setMessageFavorite(messageId, newFavorite); 539 } 540 541 /** 542 * Toggles a set read/unread states. Note, the default behavior is "mark unread", so the 543 * sense of the helper methods is "true=unread". 544 * 545 * @param selectedSet The current list of selected items 546 */ 547 private void onMultiToggleRead(Set<Long> selectedSet) { 548 toggleMultiple(selectedSet, new MultiToggleHelper() { 549 550 public boolean getField(long messageId, Cursor c) { 551 return c.getInt(MessageListAdapter.COLUMN_READ) == 0; 552 } 553 554 public boolean setField(long messageId, Cursor c, boolean newValue) { 555 boolean oldValue = getField(messageId, c); 556 if (oldValue != newValue) { 557 onSetMessageRead(messageId, !newValue); 558 return true; 559 } 560 return false; 561 } 562 }); 563 } 564 565 /** 566 * Toggles a set of favorites (stars) 567 * 568 * @param selectedSet The current list of selected items 569 */ 570 private void onMultiToggleFavorite(Set<Long> selectedSet) { 571 toggleMultiple(selectedSet, new MultiToggleHelper() { 572 573 public boolean getField(long messageId, Cursor c) { 574 return c.getInt(MessageListAdapter.COLUMN_FAVORITE) != 0; 575 } 576 577 public boolean setField(long messageId, Cursor c, boolean newValue) { 578 boolean oldValue = getField(messageId, c); 579 if (oldValue != newValue) { 580 onSetMessageFavorite(messageId, newValue); 581 return true; 582 } 583 return false; 584 } 585 }); 586 } 587 588 private void onMultiDelete(Set<Long> selectedSet) { 589 // Clone the set, because deleting is going to thrash things 590 HashSet<Long> cloneSet = new HashSet<Long>(selectedSet); 591 for (Long id : cloneSet) { 592 mController.deleteMessage(id, -1); 593 } 594 // TODO: count messages and show "n messages deleted" 595 Toast.makeText(this, R.string.message_deleted_toast, Toast.LENGTH_SHORT).show(); 596 selectedSet.clear(); 597 showMultiPanel(false); 598 } 599 600 private interface MultiToggleHelper { 601 /** 602 * Return true if the field of interest is "set". If one or more are false, then our 603 * bulk action will be to "set". If all are set, our bulk action will be to "clear". 604 * @param messageId the message id of the current message 605 * @param c the cursor, positioned to the item of interest 606 * @return true if the field at this row is "set" 607 */ 608 public boolean getField(long messageId, Cursor c); 609 610 /** 611 * Set or clear the field of interest. Return true if a change was made. 612 * @param messageId the message id of the current message 613 * @param c the cursor, positioned to the item of interest 614 * @param newValue the new value to be set at this row 615 * @return true if a change was actually made 616 */ 617 public boolean setField(long messageId, Cursor c, boolean newValue); 618 } 619 620 /** 621 * Toggle multiple fields in a message, using the following logic: If one or more fields 622 * are "clear", then "set" them. If all fields are "set", then "clear" them all. 623 * 624 * @param selectedSet the set of messages that are selected 625 * @param helper functions to implement the specific getter & setter 626 * @return the number of messages that were updated 627 */ 628 private int toggleMultiple(Set<Long> selectedSet, MultiToggleHelper helper) { 629 Cursor c = mListAdapter.getCursor(); 630 boolean anyWereFound = false; 631 boolean allWereSet = true; 632 633 c.moveToPosition(-1); 634 while (c.moveToNext()) { 635 long id = c.getInt(MessageListAdapter.COLUMN_ID); 636 if (selectedSet.contains(Long.valueOf(id))) { 637 anyWereFound = true; 638 if (!helper.getField(id, c)) { 639 allWereSet = false; 640 break; 641 } 642 } 643 } 644 645 int numChanged = 0; 646 647 if (anyWereFound) { 648 boolean newValue = !allWereSet; 649 c.moveToPosition(-1); 650 while (c.moveToNext()) { 651 long id = c.getInt(MessageListAdapter.COLUMN_ID); 652 if (selectedSet.contains(Long.valueOf(id))) { 653 if (helper.setField(id, c, newValue)) { 654 ++numChanged; 655 } 656 } 657 } 658 } 659 660 return numChanged; 661 } 662 663 private boolean testMultiple(Set<Long> selectedSet, int column_id) { 664 Cursor c = mListAdapter.getCursor(); 665 c.moveToPosition(-1); 666 while (c.moveToNext()) { 667 long id = c.getInt(MessageListAdapter.COLUMN_ID); 668 if (selectedSet.contains(Long.valueOf(id))) { 669 if (c.getInt(column_id) != 0) { 670 return true; 671 } 672 } 673 } 674 return false; 675 } 676 677 private void updateFooterButtonNames () { 678 if (testMultiple(mListAdapter.getSelectedSet(), MessageListAdapter.COLUMN_READ)) { 679 mReadUnreadButton.setText(R.string.unread_action); 680 } else { 681 mReadUnreadButton.setText(R.string.read_action); 682 } 683 if (testMultiple(mListAdapter.getSelectedSet(), MessageListAdapter.COLUMN_FAVORITE)) { 684 mFavoriteButton.setText(R.string.set_star_action); 685 } else { 686 mFavoriteButton.setText(R.string.remove_star_action); 687 } 688 } 689 690 /** 691 * Show or hide the panel of multi-select options 692 */ 693 private void showMultiPanel(boolean show) { 694 if (show && mMultiSelectPanel.getVisibility() != View.VISIBLE) { 695 mMultiSelectPanel.setVisibility(View.VISIBLE); 696 mMultiSelectPanel.startAnimation( 697 AnimationUtils.loadAnimation(this, R.anim.footer_appear)); 698 } else if (!show && mMultiSelectPanel.getVisibility() != View.GONE) { 699 mMultiSelectPanel.setVisibility(View.GONE); 700 mMultiSelectPanel.startAnimation( 701 AnimationUtils.loadAnimation(this, R.anim.footer_disappear)); 702 } 703 if (show) { 704 updateFooterButtonNames(); 705 } 706 } 707 708 /** 709 * Add the fixed footer view if appropriate (not always - not all accounts & mailboxes). 710 * 711 * Here are some rules (finish this list): 712 * 713 * Any merged box (except send): refresh 714 * Any push-mode account: refresh 715 * Any non-push-mode account: load more 716 * Any outbox (send again): 717 * 718 * @param mailboxId the ID of the mailbox 719 */ 720 private void addFooterView(long mailboxId, long accountId, int mailboxType) { 721 // first, look for shortcuts that don't need us to spin up a DB access task 722 if (mailboxId == Mailbox.QUERY_ALL_INBOXES 723 || mailboxId == Mailbox.QUERY_ALL_UNREAD 724 || mailboxId == Mailbox.QUERY_ALL_FAVORITES 725 || mailboxId == Mailbox.QUERY_ALL_DRAFTS) { 726 finishFooterView(LIST_FOOTER_MODE_REFRESH); 727 return; 728 } 729 if (mailboxId == Mailbox.QUERY_ALL_OUTBOX || mailboxType == Mailbox.TYPE_OUTBOX) { 730 finishFooterView(LIST_FOOTER_MODE_SEND); 731 return; 732 } 733 734 // We don't know enough to select the footer command type (yet), so we'll 735 // launch an async task to do the remaining lookups and decide what to do 736 mSetFooterTask = new SetFooterTask(); 737 mSetFooterTask.execute(mailboxId, accountId); 738 } 739 740 private final static String[] MAILBOX_ACCOUNT_AND_TYPE_PROJECTION = 741 new String[] { MailboxColumns.ACCOUNT_KEY, MailboxColumns.TYPE }; 742 743 private class SetFooterTask extends AsyncTask<Long, Void, Integer> { 744 /** 745 * There are two operational modes here, requiring different lookup. 746 * mailboxIs != -1: A specific mailbox - check its type, then look up its account 747 * accountId != -1: A specific account - look up the account 748 */ 749 @Override 750 protected Integer doInBackground(Long... params) { 751 long mailboxId = params[0]; 752 long accountId = params[1]; 753 int mailboxType = -1; 754 if (mailboxId != -1) { 755 try { 756 Uri uri = ContentUris.withAppendedId(Mailbox.CONTENT_URI, mailboxId); 757 Cursor c = mResolver.query(uri, MAILBOX_ACCOUNT_AND_TYPE_PROJECTION, 758 null, null, null); 759 if (c.moveToFirst()) { 760 try { 761 accountId = c.getLong(0); 762 mailboxType = c.getInt(1); 763 } finally { 764 c.close(); 765 } 766 } 767 } catch (IllegalArgumentException iae) { 768 // can't do any more here 769 return LIST_FOOTER_MODE_NONE; 770 } 771 } 772 if (mailboxType == Mailbox.TYPE_OUTBOX) { 773 return LIST_FOOTER_MODE_SEND; 774 } 775 if (accountId != -1) { 776 // This is inefficient but the best fix is not here but in isMessagingController 777 Account account = Account.restoreAccountWithId(MessageList.this, accountId); 778 if (account != null) { 779 if (MessageList.this.mController.isMessagingController(account)) { 780 return LIST_FOOTER_MODE_MORE; // IMAP or POP 781 } else { 782 return LIST_FOOTER_MODE_REFRESH; // EAS 783 } 784 } 785 } 786 return LIST_FOOTER_MODE_NONE; 787 } 788 789 @Override 790 protected void onPostExecute(Integer listFooterMode) { 791 finishFooterView(listFooterMode); 792 } 793 } 794 795 /** 796 * Add the fixed footer view as specified, and set up the test as well. 797 * 798 * @param listFooterMode the footer mode we've determined should be used for this list 799 */ 800 private void finishFooterView(int listFooterMode) { 801 mListFooterMode = listFooterMode; 802 if (mListFooterMode != LIST_FOOTER_MODE_NONE) { 803 mListFooterView = ((LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE)) 804 .inflate(R.layout.message_list_item_footer, mListView, false); 805 mList.addFooterView(mListFooterView); 806 setListAdapter(mListAdapter); 807 808 mListFooterProgress = mListFooterView.findViewById(R.id.progress); 809 mListFooterText = (TextView) mListFooterView.findViewById(R.id.main_text); 810 setListFooterText(false); 811 } 812 } 813 814 /** 815 * Set the list footer text based on mode and "active" status 816 */ 817 private void setListFooterText(boolean active) { 818 if (mListFooterMode != LIST_FOOTER_MODE_NONE) { 819 int footerTextId = 0; 820 switch (mListFooterMode) { 821 case LIST_FOOTER_MODE_REFRESH: 822 footerTextId = active ? R.string.status_loading_more 823 : R.string.refresh_action; 824 break; 825 case LIST_FOOTER_MODE_MORE: 826 footerTextId = active ? R.string.status_loading_more 827 : R.string.message_list_load_more_messages_action; 828 break; 829 case LIST_FOOTER_MODE_SEND: 830 footerTextId = active ? R.string.status_sending_messages 831 : R.string.message_list_send_pending_messages_action; 832 break; 833 } 834 mListFooterText.setText(footerTextId); 835 } 836 } 837 838 /** 839 * Handle a click in the list footer, which changes meaning depending on what we're looking at. 840 */ 841 private void doFooterClick() { 842 switch (mListFooterMode) { 843 case LIST_FOOTER_MODE_NONE: // should never happen 844 break; 845 case LIST_FOOTER_MODE_REFRESH: 846 onRefresh(); 847 break; 848 case LIST_FOOTER_MODE_MORE: 849 onLoadMoreMessages(); 850 break; 851 case LIST_FOOTER_MODE_SEND: 852 onSendPendingMessages(); 853 break; 854 } 855 } 856 857 /** 858 * Async task for finding a single mailbox by type (possibly even going to the network). 859 * 860 * This is much too complex, as implemented. It uses this AsyncTask to check for a mailbox, 861 * then (if not found) a Controller call to refresh mailboxes from the server, and a handler 862 * to relaunch this task (a 2nd time) to read the results of the network refresh. The core 863 * problem is that we have two different non-UI-thread jobs (reading DB and reading network) 864 * and two different paradigms for dealing with them. Some unification would be needed here 865 * to make this cleaner. 866 * 867 * TODO: If this problem spreads to other operations, find a cleaner way to handle it. 868 */ 869 private class FindMailboxTask extends AsyncTask<Void, Void, Long> { 870 871 private long mAccountId; 872 private int mMailboxType; 873 private boolean mOkToRecurse; 874 875 /** 876 * Special constructor to cache some local info 877 */ 878 public FindMailboxTask(long accountId, int mailboxType, boolean okToRecurse) { 879 mAccountId = accountId; 880 mMailboxType = mailboxType; 881 mOkToRecurse = okToRecurse; 882 } 883 884 @Override 885 protected Long doInBackground(Void... params) { 886 // See if we can find the requested mailbox in the DB. 887 long mailboxId = Mailbox.findMailboxOfType(MessageList.this, mAccountId, mMailboxType); 888 if (mailboxId == -1 && mOkToRecurse) { 889 // Not found - launch network lookup 890 mControllerCallback.mWaitForMailboxType = mMailboxType; 891 mController.updateMailboxList(mAccountId, mControllerCallback); 892 } 893 return mailboxId; 894 } 895 896 @Override 897 protected void onPostExecute(Long mailboxId) { 898 if (mailboxId != -1) { 899 mMailboxId = mailboxId; 900 mSetTitleTask = new SetTitleTask(mMailboxId); 901 mSetTitleTask.execute(); 902 mLoadMessagesTask = new LoadMessagesTask(mMailboxId, mAccountId); 903 mLoadMessagesTask.execute(); 904 } 905 } 906 } 907 908 /** 909 * Async task for loading a single folder out of the UI thread 910 * 911 * The code here (for merged boxes) is a placeholder/hack and should be replaced. Some 912 * specific notes: 913 * TODO: Move the double query into a specialized URI that returns all inbox messages 914 * and do the dirty work in raw SQL in the provider. 915 * TODO: Generalize the query generation so we can reuse it in MessageView (for next/prev) 916 */ 917 private class LoadMessagesTask extends AsyncTask<Void, Void, Cursor> { 918 919 private long mMailboxKey; 920 private long mAccountKey; 921 922 /** 923 * Special constructor to cache some local info 924 */ 925 public LoadMessagesTask(long mailboxKey, long accountKey) { 926 mMailboxKey = mailboxKey; 927 mAccountKey = accountKey; 928 } 929 930 @Override 931 protected Cursor doInBackground(Void... params) { 932 String selection = 933 Utility.buildMailboxIdSelection(MessageList.this.mResolver, mMailboxKey); 934 Cursor c = MessageList.this.managedQuery( 935 EmailContent.Message.CONTENT_URI, 936 MessageList.this.mListAdapter.PROJECTION, 937 selection, null, 938 EmailContent.MessageColumns.TIMESTAMP + " DESC"); 939 return c; 940 } 941 942 @Override 943 protected void onPostExecute(Cursor cursor) { 944 if (cursor.isClosed()) { 945 return; 946 } 947 MessageList.this.mListAdapter.changeCursor(cursor); 948 949 // TODO: remove this hack and only update at the right time 950 if (cursor != null && cursor.getCount() == 0) { 951 onRefresh(); 952 } 953 954 // Reset the "new messages" count in the service, since we're seeing them now 955 if (mMailboxKey == Mailbox.QUERY_ALL_INBOXES) { 956 MailService.resetNewMessageCount(MessageList.this, -1); 957 } else if (mMailboxKey >= 0 && mAccountKey != -1) { 958 MailService.resetNewMessageCount(MessageList.this, mAccountKey); 959 } 960 } 961 } 962 963 private class SetTitleTask extends AsyncTask<Void, Void, String[]> { 964 965 private long mMailboxKey; 966 967 public SetTitleTask(long mailboxKey) { 968 mMailboxKey = mailboxKey; 969 } 970 971 @Override 972 protected String[] doInBackground(Void... params) { 973 // Check special Mailboxes 974 if (mMailboxKey == Mailbox.QUERY_ALL_INBOXES) { 975 return new String[] {null, 976 getString(R.string.account_folder_list_summary_inbox)}; 977 } else if (mMailboxKey == Mailbox.QUERY_ALL_FAVORITES) { 978 return new String[] {null, 979 getString(R.string.account_folder_list_summary_favorite)}; 980 } else if (mMailboxKey == Mailbox.QUERY_ALL_DRAFTS) { 981 return new String[] {null, 982 getString(R.string.account_folder_list_summary_drafts)}; 983 } else if (mMailboxKey == Mailbox.QUERY_ALL_OUTBOX) { 984 return new String[] {null, 985 getString(R.string.account_folder_list_summary_outbox)}; 986 } 987 String accountName = null; 988 String mailboxName = null; 989 String accountKey = null; 990 Cursor c = MessageList.this.mResolver.query(Mailbox.CONTENT_URI, 991 MAILBOX_NAME_PROJECTION, ID_SELECTION, 992 new String[] { Long.toString(mMailboxKey) }, null); 993 try { 994 if (c.moveToFirst()) { 995 mailboxName = Utility.FolderProperties.getInstance(MessageList.this) 996 .getDisplayName(c.getInt(MAILBOX_NAME_COLUMN_TYPE)); 997 if (mailboxName == null) { 998 mailboxName = c.getString(MAILBOX_NAME_COLUMN_ID); 999 } 1000 accountKey = c.getString(MAILBOX_NAME_COLUMN_ACCOUNT_KEY); 1001 } 1002 } finally { 1003 c.close(); 1004 } 1005 if (accountKey != null) { 1006 c = MessageList.this.mResolver.query(Account.CONTENT_URI, 1007 ACCOUNT_NAME_PROJECTION, ID_SELECTION, new String[] { accountKey }, 1008 null); 1009 try { 1010 if (c.moveToFirst()) { 1011 accountName = c.getString(ACCOUNT_DISPLAY_NAME_COLUMN_ID); 1012 } 1013 } finally { 1014 c.close(); 1015 } 1016 } 1017 return new String[] {accountName, mailboxName}; 1018 } 1019 1020 @Override 1021 protected void onPostExecute(String[] names) { 1022 Log.d("MessageList", "ACCOUNT:" + names[0] + "MAILBOX" + names[1]); 1023 if (names[0] != null) { 1024 mRightTitle.setText(names[0]); 1025 } 1026 if (names[1] != null) { 1027 mLeftTitle.setText(names[1]); 1028 } 1029 } 1030 } 1031 1032 /** 1033 * Handler for UI-thread operations (when called from callbacks or any other threads) 1034 */ 1035 class MessageListHandler extends Handler { 1036 private static final int MSG_PROGRESS = 1; 1037 private static final int MSG_LOOKUP_MAILBOX_TYPE = 2; 1038 1039 @Override 1040 public void handleMessage(android.os.Message msg) { 1041 switch (msg.what) { 1042 case MSG_PROGRESS: 1043 boolean visible = (msg.arg1 != 0); 1044 if (visible) { 1045 mProgressIcon.setVisibility(View.VISIBLE); 1046 } else { 1047 mProgressIcon.setVisibility(View.GONE); 1048 } 1049 if (mListFooterProgress != null) { 1050 mListFooterProgress.setVisibility(visible ? View.VISIBLE : View.GONE); 1051 } 1052 setListFooterText(visible); 1053 break; 1054 case MSG_LOOKUP_MAILBOX_TYPE: 1055 // kill running async task, if any 1056 if (mFindMailboxTask != null && 1057 mFindMailboxTask.getStatus() != FindMailboxTask.Status.FINISHED) { 1058 mFindMailboxTask.cancel(true); 1059 mFindMailboxTask = null; 1060 } 1061 // start new one. do not recurse back to controller. 1062 long accountId = ((Long)msg.obj).longValue(); 1063 int mailboxType = msg.arg1; 1064 mFindMailboxTask = new FindMailboxTask(accountId, mailboxType, false); 1065 mFindMailboxTask.execute(); 1066 break; 1067 default: 1068 super.handleMessage(msg); 1069 } 1070 } 1071 1072 /** 1073 * Call from any thread to start/stop progress indicator(s) 1074 * @param progress true to start, false to stop 1075 */ 1076 public void progress(boolean progress) { 1077 android.os.Message msg = android.os.Message.obtain(); 1078 msg.what = MSG_PROGRESS; 1079 msg.arg1 = progress ? 1 : 0; 1080 sendMessage(msg); 1081 } 1082 1083 /** 1084 * Called from any thread to look for a mailbox of a specific type. This is designed 1085 * to be called from the Controller's MailboxList callback; It instructs the async task 1086 * not to recurse, in case the mailbox is not found after this. 1087 * 1088 * See FindMailboxTask for more notes on this handler. 1089 */ 1090 public void lookupMailboxType(long accountId, int mailboxType) { 1091 android.os.Message msg = android.os.Message.obtain(); 1092 msg.what = MSG_LOOKUP_MAILBOX_TYPE; 1093 msg.arg1 = mailboxType; 1094 msg.obj = Long.valueOf(accountId); 1095 sendMessage(msg); 1096 } 1097 } 1098 1099 /** 1100 * Callback for async Controller results. 1101 */ 1102 private class ControllerResults implements Controller.Result { 1103 1104 // These are preset for use by updateMailboxListCallback 1105 int mWaitForMailboxType = -1; 1106 1107 // TODO report errors into UI 1108 // TODO check accountKey and only react to relevant notifications 1109 public void updateMailboxListCallback(MessagingException result, long accountKey, 1110 int progress) { 1111 if (progress == 0) { 1112 mHandler.progress(true); 1113 } else if (result != null || progress == 100) { 1114 mHandler.progress(false); 1115 if (mWaitForMailboxType != -1) { 1116 if (result == null) { 1117 mHandler.lookupMailboxType(accountKey, mWaitForMailboxType); 1118 } 1119 } 1120 } 1121 } 1122 1123 // TODO report errors into UI 1124 // TODO check accountKey and only react to relevant notifications 1125 public void updateMailboxCallback(MessagingException result, long accountKey, 1126 long mailboxKey, int progress, int numNewMessages) { 1127 if (progress == 0) { 1128 mHandler.progress(true); 1129 } else if (result != null || progress == 100) { 1130 mHandler.progress(false); 1131 } 1132 } 1133 1134 public void loadMessageForViewCallback(MessagingException result, long messageId, 1135 int progress) { 1136 } 1137 1138 public void loadAttachmentCallback(MessagingException result, long messageId, 1139 long attachmentId, int progress) { 1140 } 1141 1142 public void serviceCheckMailCallback(MessagingException result, long accountId, 1143 long mailboxId, int progress, long tag) { 1144 } 1145 1146 // TODO report errors into UI 1147 public void sendMailCallback(MessagingException result, long accountId, long messageId, 1148 int progress) { 1149 if (mListFooterMode == LIST_FOOTER_MODE_SEND) { 1150 if (progress == 0) { 1151 mHandler.progress(true); 1152 } else if (result != null || progress == 100) { 1153 mHandler.progress(false); 1154 } 1155 } 1156 } 1157 } 1158 1159 /** 1160 * This class implements the adapter for displaying messages based on cursors. 1161 */ 1162 /* package */ class MessageListAdapter extends CursorAdapter { 1163 1164 public static final int COLUMN_ID = 0; 1165 public static final int COLUMN_MAILBOX_KEY = 1; 1166 public static final int COLUMN_ACCOUNT_KEY = 2; 1167 public static final int COLUMN_DISPLAY_NAME = 3; 1168 public static final int COLUMN_SUBJECT = 4; 1169 public static final int COLUMN_DATE = 5; 1170 public static final int COLUMN_READ = 6; 1171 public static final int COLUMN_FAVORITE = 7; 1172 public static final int COLUMN_ATTACHMENTS = 8; 1173 1174 public final String[] PROJECTION = new String[] { 1175 EmailContent.RECORD_ID, MessageColumns.MAILBOX_KEY, MessageColumns.ACCOUNT_KEY, 1176 MessageColumns.DISPLAY_NAME, MessageColumns.SUBJECT, MessageColumns.TIMESTAMP, 1177 MessageColumns.FLAG_READ, MessageColumns.FLAG_FAVORITE, MessageColumns.FLAG_ATTACHMENT, 1178 }; 1179 1180 Context mContext; 1181 private LayoutInflater mInflater; 1182 private Drawable mAttachmentIcon; 1183 private Drawable mFavoriteIconOn; 1184 private Drawable mFavoriteIconOff; 1185 private Drawable mSelectedIconOn; 1186 private Drawable mSelectedIconOff; 1187 1188 private java.text.DateFormat mDateFormat; 1189 private java.text.DateFormat mDayFormat; 1190 private java.text.DateFormat mTimeFormat; 1191 1192 private HashSet<Long> mChecked = new HashSet<Long>(); 1193 1194 public MessageListAdapter(Context context) { 1195 super(context, null); 1196 mContext = context; 1197 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 1198 1199 Resources resources = context.getResources(); 1200 mAttachmentIcon = resources.getDrawable(R.drawable.ic_mms_attachment_small); 1201 mFavoriteIconOn = resources.getDrawable(android.R.drawable.star_on); 1202 mFavoriteIconOff = resources.getDrawable(android.R.drawable.star_off); 1203 mSelectedIconOn = resources.getDrawable(R.drawable.btn_check_buttonless_on); 1204 mSelectedIconOff = resources.getDrawable(R.drawable.btn_check_buttonless_off); 1205 1206 mDateFormat = android.text.format.DateFormat.getDateFormat(context); // short date 1207 mDayFormat = android.text.format.DateFormat.getDateFormat(context); // TODO: day 1208 mTimeFormat = android.text.format.DateFormat.getTimeFormat(context); // 12/24 time 1209 } 1210 1211 public Set<Long> getSelectedSet() { 1212 return mChecked; 1213 } 1214 1215 @Override 1216 public void bindView(View view, Context context, Cursor cursor) { 1217 // Reset the view (in case it was recycled) and prepare for binding 1218 MessageListItem itemView = (MessageListItem) view; 1219 itemView.bindViewInit(this, true); 1220 1221 // Load the public fields in the view (for later use) 1222 itemView.mMessageId = cursor.getLong(COLUMN_ID); 1223 itemView.mMailboxId = cursor.getLong(COLUMN_MAILBOX_KEY); 1224 itemView.mAccountId = cursor.getLong(COLUMN_ACCOUNT_KEY); 1225 itemView.mRead = cursor.getInt(COLUMN_READ) != 0; 1226 itemView.mFavorite = cursor.getInt(COLUMN_FAVORITE) != 0; 1227 itemView.mSelected = mChecked.contains(Long.valueOf(itemView.mMessageId)); 1228 1229 // Load the UI 1230 View chipView = view.findViewById(R.id.chip); 1231 int chipResId = mColorChipResIds[(int)itemView.mAccountId % mColorChipResIds.length]; 1232 chipView.setBackgroundResource(chipResId); 1233 // TODO always display chip. Use other indications (e.g. boldface) for read/unread 1234 chipView.getBackground().setAlpha(itemView.mRead ? 100 : 255); 1235 1236 TextView fromView = (TextView) view.findViewById(R.id.from); 1237 String text = cursor.getString(COLUMN_DISPLAY_NAME); 1238 fromView.setText(text); 1239 1240 boolean hasAttachments = cursor.getInt(COLUMN_ATTACHMENTS) != 0; 1241 fromView.setCompoundDrawablesWithIntrinsicBounds(null, null, 1242 hasAttachments ? mAttachmentIcon : null, null); 1243 1244 TextView subjectView = (TextView) view.findViewById(R.id.subject); 1245 text = cursor.getString(COLUMN_SUBJECT); 1246 subjectView.setText(text); 1247 1248 // TODO ui spec suggests "time", "day", "date" - implement "day" 1249 TextView dateView = (TextView) view.findViewById(R.id.date); 1250 long timestamp = cursor.getLong(COLUMN_DATE); 1251 Date date = new Date(timestamp); 1252 if (Utility.isDateToday(date)) { 1253 text = mTimeFormat.format(date); 1254 } else { 1255 text = mDateFormat.format(date); 1256 } 1257 dateView.setText(text); 1258 1259 ImageView selectedView = (ImageView) view.findViewById(R.id.selected); 1260 selectedView.setImageDrawable(itemView.mSelected ? mSelectedIconOn : mSelectedIconOff); 1261 1262 ImageView favoriteView = (ImageView) view.findViewById(R.id.favorite); 1263 favoriteView.setImageDrawable(itemView.mFavorite ? mFavoriteIconOn : mFavoriteIconOff); 1264 } 1265 1266 @Override 1267 public View newView(Context context, Cursor cursor, ViewGroup parent) { 1268 return mInflater.inflate(R.layout.message_list_item, parent, false); 1269 } 1270 1271 /** 1272 * This is used as a callback from the list items, to set the selected state 1273 * 1274 * @param itemView the item being changed 1275 * @param newSelected the new value of the selected flag (checkbox state) 1276 */ 1277 public void updateSelected(MessageListItem itemView, boolean newSelected) { 1278 ImageView selectedView = (ImageView) itemView.findViewById(R.id.selected); 1279 selectedView.setImageDrawable(newSelected ? mSelectedIconOn : mSelectedIconOff); 1280 1281 // Set checkbox state in list, and show/hide panel if necessary 1282 Long id = Long.valueOf(itemView.mMessageId); 1283 if (newSelected) { 1284 mChecked.add(id); 1285 } else { 1286 mChecked.remove(id); 1287 } 1288 1289 MessageList.this.showMultiPanel(mChecked.size() > 0); 1290 } 1291 1292 /** 1293 * This is used as a callback from the list items, to set the favorite state 1294 * 1295 * @param itemView the item being changed 1296 * @param newFavorite the new value of the favorite flag (star state) 1297 */ 1298 public void updateFavorite(MessageListItem itemView, boolean newFavorite) { 1299 ImageView favoriteView = (ImageView) itemView.findViewById(R.id.favorite); 1300 favoriteView.setImageDrawable(newFavorite ? mFavoriteIconOn : mFavoriteIconOff); 1301 onSetMessageFavorite(itemView.mMessageId, newFavorite); 1302 } 1303 } 1304} 1305