RecipientEditTextView.java revision 114c89364bd00a445f0b017ae658928c1dc26c5a
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import java.util.ArrayList; 21import java.util.Arrays; 22import java.util.Collection; 23import java.util.Collections; 24import java.util.Comparator; 25import java.util.HashSet; 26import java.util.List; 27import java.util.Map; 28import java.util.Set; 29import java.util.regex.Matcher; 30import java.util.regex.Pattern; 31 32import android.app.Dialog; 33import android.content.ClipData; 34import android.content.ClipDescription; 35import android.content.ClipboardManager; 36import android.content.Context; 37import android.content.DialogInterface; 38import android.content.DialogInterface.OnDismissListener; 39import android.content.res.Resources; 40import android.content.res.TypedArray; 41import android.graphics.Bitmap; 42import android.graphics.BitmapFactory; 43import android.graphics.Canvas; 44import android.graphics.Matrix; 45import android.graphics.Point; 46import android.graphics.Rect; 47import android.graphics.RectF; 48import android.graphics.drawable.BitmapDrawable; 49import android.graphics.drawable.Drawable; 50import android.os.AsyncTask; 51import android.os.Handler; 52import android.os.Looper; 53import android.os.Message; 54import android.os.Parcelable; 55import android.text.Editable; 56import android.text.InputType; 57import android.text.Layout; 58import android.text.Spannable; 59import android.text.SpannableString; 60import android.text.Spanned; 61import android.text.TextPaint; 62import android.text.TextUtils; 63import android.text.TextWatcher; 64import android.text.method.QwertyKeyListener; 65import android.text.style.ImageSpan; 66import android.text.util.Rfc822Token; 67import android.text.util.Rfc822Tokenizer; 68import android.util.AttributeSet; 69import android.util.Log; 70import android.util.TypedValue; 71import android.view.ActionMode; 72import android.view.ActionMode.Callback; 73import android.view.DragEvent; 74import android.view.GestureDetector; 75import android.view.KeyEvent; 76import android.view.LayoutInflater; 77import android.view.Menu; 78import android.view.MenuItem; 79import android.view.MotionEvent; 80import android.view.View; 81import android.view.View.OnClickListener; 82import android.view.ViewParent; 83import android.view.inputmethod.EditorInfo; 84import android.view.inputmethod.InputConnection; 85import android.widget.AdapterView; 86import android.widget.AdapterView.OnItemClickListener; 87import android.widget.Button; 88import android.widget.Filterable; 89import android.widget.ListAdapter; 90import android.widget.ListPopupWindow; 91import android.widget.ListView; 92import android.widget.MultiAutoCompleteTextView; 93import android.widget.ScrollView; 94import android.widget.TextView; 95 96import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 97import com.android.ex.chips.recipientchip.DrawableRecipientChip; 98import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 99import com.android.ex.chips.recipientchip.VisibleRecipientChip; 100 101/** 102 * RecipientEditTextView is an auto complete text view for use with applications 103 * that use the new Chips UI for addressing a message to recipients. 104 */ 105public class RecipientEditTextView extends MultiAutoCompleteTextView implements 106 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 107 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 108 TextView.OnEditorActionListener { 109 110 private static final char COMMIT_CHAR_COMMA = ','; 111 112 private static final char COMMIT_CHAR_SEMICOLON = ';'; 113 114 private static final char COMMIT_CHAR_SPACE = ' '; 115 116 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 117 + String.valueOf(COMMIT_CHAR_SPACE); 118 119 private static final String TAG = "RecipientEditTextView"; 120 121 private static int DISMISS = "dismiss".hashCode(); 122 123 private static final long DISMISS_DELAY = 300; 124 125 // TODO: get correct number/ algorithm from with UX. 126 // Visible for testing. 127 /*package*/ static final int CHIP_LIMIT = 2; 128 129 private static final int MAX_CHIPS_PARSED = 50; 130 131 private static int sSelectedTextColor = -1; 132 133 // Resources for displaying chips. 134 private Drawable mChipBackground = null; 135 136 private Drawable mChipDelete = null; 137 138 private Drawable mInvalidChipBackground; 139 140 private Drawable mChipBackgroundPressed; 141 142 private float mChipHeight; 143 144 private float mChipFontSize; 145 146 private float mLineSpacingExtra; 147 148 private int mChipPadding; 149 150 private Tokenizer mTokenizer; 151 152 private Validator mValidator; 153 154 private DrawableRecipientChip mSelectedChip; 155 156 private int mAlternatesLayout; 157 158 private Bitmap mDefaultContactPhoto; 159 160 private ImageSpan mMoreChip; 161 162 private TextView mMoreItem; 163 164 // VisibleForTesting 165 final ArrayList<String> mPendingChips = new ArrayList<String>(); 166 167 private Handler mHandler; 168 169 private int mPendingChipsCount = 0; 170 171 private boolean mNoChips = false; 172 173 private ListPopupWindow mAlternatesPopup; 174 175 private ListPopupWindow mAddressPopup; 176 177 // VisibleForTesting 178 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 179 180 private ArrayList<DrawableRecipientChip> mRemovedSpans; 181 182 private boolean mShouldShrink = true; 183 184 // Chip copy fields. 185 private GestureDetector mGestureDetector; 186 187 private Dialog mCopyDialog; 188 189 private String mCopyAddress; 190 191 /** 192 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 193 * selected chip. 194 */ 195 private OnItemClickListener mAlternatesListener; 196 197 private int mCheckedItem; 198 199 private TextWatcher mTextWatcher; 200 201 // Obtain the enclosing scroll view, if it exists, so that the view can be 202 // scrolled to show the last line of chips content. 203 private ScrollView mScrollView; 204 205 private boolean mTriedGettingScrollView; 206 207 private boolean mDragEnabled = false; 208 209 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 210 // parens, so numbers such as "1 (425) 222-2342" match. 211 private static final Pattern PHONE_PATTERN 212 = Pattern.compile( // sdd = space, dot, or dash 213 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 214 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 215 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 216 217 private final Runnable mAddTextWatcher = new Runnable() { 218 @Override 219 public void run() { 220 if (mTextWatcher == null) { 221 mTextWatcher = new RecipientTextWatcher(); 222 addTextChangedListener(mTextWatcher); 223 } 224 } 225 }; 226 227 private IndividualReplacementTask mIndividualReplacements; 228 229 private Runnable mHandlePendingChips = new Runnable() { 230 231 @Override 232 public void run() { 233 handlePendingChips(); 234 } 235 236 }; 237 238 private Runnable mDelayedShrink = new Runnable() { 239 240 @Override 241 public void run() { 242 shrink(); 243 } 244 245 }; 246 247 private int mMaxLines; 248 249 private static int sExcessTopPadding = -1; 250 251 private int mActionBarHeight; 252 253 public RecipientEditTextView(Context context, AttributeSet attrs) { 254 super(context, attrs); 255 setChipDimensions(context, attrs); 256 if (sSelectedTextColor == -1) { 257 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 258 } 259 mAlternatesPopup = new ListPopupWindow(context); 260 mAddressPopup = new ListPopupWindow(context); 261 mCopyDialog = new Dialog(context); 262 mAlternatesListener = new OnItemClickListener() { 263 @Override 264 public void onItemClick(AdapterView<?> adapterView,View view, int position, 265 long rowId) { 266 mAlternatesPopup.setOnItemClickListener(null); 267 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 268 .getRecipientEntry(position)); 269 Message delayed = Message.obtain(mHandler, DISMISS); 270 delayed.obj = mAlternatesPopup; 271 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 272 clearComposingText(); 273 } 274 }; 275 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 276 setOnItemClickListener(this); 277 setCustomSelectionActionModeCallback(this); 278 mHandler = new Handler() { 279 @Override 280 public void handleMessage(Message msg) { 281 if (msg.what == DISMISS) { 282 ((ListPopupWindow) msg.obj).dismiss(); 283 return; 284 } 285 super.handleMessage(msg); 286 } 287 }; 288 mTextWatcher = new RecipientTextWatcher(); 289 addTextChangedListener(mTextWatcher); 290 mGestureDetector = new GestureDetector(context, this); 291 setOnEditorActionListener(this); 292 } 293 294 @Override 295 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 296 if (action == EditorInfo.IME_ACTION_DONE) { 297 if (commitDefault()) { 298 return true; 299 } 300 if (mSelectedChip != null) { 301 clearSelectedChip(); 302 return true; 303 } else if (focusNext()) { 304 return true; 305 } 306 } 307 return false; 308 } 309 310 @Override 311 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 312 InputConnection connection = super.onCreateInputConnection(outAttrs); 313 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 314 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 315 // clear the existing action 316 outAttrs.imeOptions ^= imeActions; 317 // set the DONE action 318 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 319 } 320 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 321 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 322 } 323 324 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 325 outAttrs.actionLabel = getContext().getString(R.string.done); 326 return connection; 327 } 328 329 /*package*/ DrawableRecipientChip getLastChip() { 330 DrawableRecipientChip last = null; 331 DrawableRecipientChip[] chips = getSortedRecipients(); 332 if (chips != null && chips.length > 0) { 333 last = chips[chips.length - 1]; 334 } 335 return last; 336 } 337 338 @Override 339 public void onSelectionChanged(int start, int end) { 340 // When selection changes, see if it is inside the chips area. 341 // If so, move the cursor back after the chips again. 342 DrawableRecipientChip last = getLastChip(); 343 if (last != null && start < getSpannable().getSpanEnd(last)) { 344 // Grab the last chip and set the cursor to after it. 345 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 346 } 347 super.onSelectionChanged(start, end); 348 } 349 350 @Override 351 public void onRestoreInstanceState(Parcelable state) { 352 if (!TextUtils.isEmpty(getText())) { 353 super.onRestoreInstanceState(null); 354 } else { 355 super.onRestoreInstanceState(state); 356 } 357 } 358 359 @Override 360 public Parcelable onSaveInstanceState() { 361 // If the user changes orientation while they are editing, just roll back the selection. 362 clearSelectedChip(); 363 return super.onSaveInstanceState(); 364 } 365 366 /** 367 * Convenience method: Append the specified text slice to the TextView's 368 * display buffer, upgrading it to BufferType.EDITABLE if it was 369 * not already editable. Commas are excluded as they are added automatically 370 * by the view. 371 */ 372 @Override 373 public void append(CharSequence text, int start, int end) { 374 // We don't care about watching text changes while appending. 375 if (mTextWatcher != null) { 376 removeTextChangedListener(mTextWatcher); 377 } 378 super.append(text, start, end); 379 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 380 String displayString = text.toString(); 381 382 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 383 // We have no separator, so we should add it 384 super.append(SEPARATOR, 0, SEPARATOR.length()); 385 displayString += SEPARATOR; 386 } 387 388 if (!TextUtils.isEmpty(displayString) 389 && TextUtils.getTrimmedLength(displayString) > 0) { 390 mPendingChipsCount++; 391 mPendingChips.add(displayString); 392 } 393 } 394 // Put a message on the queue to make sure we ALWAYS handle pending 395 // chips. 396 if (mPendingChipsCount > 0) { 397 postHandlePendingChips(); 398 } 399 mHandler.post(mAddTextWatcher); 400 } 401 402 @Override 403 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 404 super.onFocusChanged(hasFocus, direction, previous); 405 if (!hasFocus) { 406 shrink(); 407 } else { 408 expand(); 409 } 410 } 411 412 private int getExcessTopPadding() { 413 if (sExcessTopPadding == -1) { 414 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 415 } 416 return sExcessTopPadding; 417 } 418 419 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 420 super.setAdapter(adapter); 421 ((BaseRecipientAdapter) adapter) 422 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 423 @Override 424 public void onChanged(List<RecipientEntry> entries) { 425 // Scroll the chips field to the top of the screen so 426 // that the user can see as many results as possible. 427 if (entries != null && entries.size() > 0) { 428 scrollBottomIntoView(); 429 } 430 } 431 }); 432 } 433 434 private void scrollBottomIntoView() { 435 if (mScrollView != null && mShouldShrink) { 436 int[] location = new int[2]; 437 getLocationOnScreen(location); 438 int height = getHeight(); 439 int currentPos = location[1] + height; 440 // Desired position shows at least 1 line of chips below the action 441 // bar. We add excess padding to make sure this is always below other 442 // content. 443 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 444 if (currentPos > desiredPos) { 445 mScrollView.scrollBy(0, currentPos - desiredPos); 446 } 447 } 448 } 449 450 @Override 451 public void performValidation() { 452 // Do nothing. Chips handles its own validation. 453 } 454 455 private void shrink() { 456 if (mTokenizer == null) { 457 return; 458 } 459 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 460 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 461 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 462 clearSelectedChip(); 463 } else { 464 if (getWidth() <= 0) { 465 // We don't have the width yet which means the view hasn't been drawn yet 466 // and there is no reason to attempt to commit chips yet. 467 // This focus lost must be the result of an orientation change 468 // or an initial rendering. 469 // Re-post the shrink for later. 470 mHandler.removeCallbacks(mDelayedShrink); 471 mHandler.post(mDelayedShrink); 472 return; 473 } 474 // Reset any pending chips as they would have been handled 475 // when the field lost focus. 476 if (mPendingChipsCount > 0) { 477 postHandlePendingChips(); 478 } else { 479 Editable editable = getText(); 480 int end = getSelectionEnd(); 481 int start = mTokenizer.findTokenStart(editable, end); 482 DrawableRecipientChip[] chips = 483 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 484 if ((chips == null || chips.length == 0)) { 485 Editable text = getText(); 486 int whatEnd = mTokenizer.findTokenEnd(text, start); 487 // This token was already tokenized, so skip past the ending token. 488 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 489 whatEnd = movePastTerminators(whatEnd); 490 } 491 // In the middle of chip; treat this as an edit 492 // and commit the whole token. 493 int selEnd = getSelectionEnd(); 494 if (whatEnd != selEnd) { 495 handleEdit(start, whatEnd); 496 } else { 497 commitChip(start, end, editable); 498 } 499 } 500 } 501 mHandler.post(mAddTextWatcher); 502 } 503 createMoreChip(); 504 } 505 506 private void expand() { 507 if (mShouldShrink) { 508 setMaxLines(Integer.MAX_VALUE); 509 } 510 removeMoreChip(); 511 setCursorVisible(true); 512 Editable text = getText(); 513 setSelection(text != null && text.length() > 0 ? text.length() : 0); 514 // If there are any temporary chips, try replacing them now that the user 515 // has expanded the field. 516 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 517 new RecipientReplacementTask().execute(); 518 mTemporaryRecipients = null; 519 } 520 } 521 522 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 523 paint.setTextSize(mChipFontSize); 524 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 525 Log.d(TAG, "Max width is negative: " + maxWidth); 526 } 527 return TextUtils.ellipsize(text, paint, maxWidth, 528 TextUtils.TruncateAt.END); 529 } 530 531 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 532 // Ellipsize the text so that it takes AT MOST the entire width of the 533 // autocomplete text entry area. Make sure to leave space for padding 534 // on the sides. 535 int height = (int) mChipHeight; 536 int deleteWidth = height; 537 float[] widths = new float[1]; 538 paint.getTextWidths(" ", widths); 539 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 540 calculateAvailableWidth() - deleteWidth - widths[0]); 541 542 // Make sure there is a minimum chip width so the user can ALWAYS 543 // tap a chip without difficulty. 544 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 545 ellipsizedText.length())) 546 + (mChipPadding * 2) + deleteWidth); 547 548 // Create the background of the chip. 549 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 550 Canvas canvas = new Canvas(tmpBitmap); 551 if (mChipBackgroundPressed != null) { 552 mChipBackgroundPressed.setBounds(0, 0, width, height); 553 mChipBackgroundPressed.draw(canvas); 554 paint.setColor(sSelectedTextColor); 555 // Vertically center the text in the chip. 556 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 557 getTextYOffset((String) ellipsizedText, paint, height), paint); 558 // Make the delete a square. 559 Rect backgroundPadding = new Rect(); 560 mChipBackgroundPressed.getPadding(backgroundPadding); 561 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 562 0 + backgroundPadding.top, 563 width - backgroundPadding.right, 564 height - backgroundPadding.bottom); 565 mChipDelete.draw(canvas); 566 } else { 567 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 568 } 569 return tmpBitmap; 570 } 571 572 573 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 574 boolean leaveBlankIconSpacer) { 575 // Ellipsize the text so that it takes AT MOST the entire width of the 576 // autocomplete text entry area. Make sure to leave space for padding 577 // on the sides. 578 int height = (int) mChipHeight; 579 int iconWidth = height; 580 float[] widths = new float[1]; 581 paint.getTextWidths(" ", widths); 582 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 583 calculateAvailableWidth() - iconWidth - widths[0]); 584 // Make sure there is a minimum chip width so the user can ALWAYS 585 // tap a chip without difficulty. 586 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 587 ellipsizedText.length())) 588 + (mChipPadding * 2) + iconWidth); 589 590 // Create the background of the chip. 591 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 592 Canvas canvas = new Canvas(tmpBitmap); 593 Drawable background = getChipBackground(contact); 594 if (background != null) { 595 background.setBounds(0, 0, width, height); 596 background.draw(canvas); 597 598 // Don't draw photos for recipients that have been typed in OR generated on the fly. 599 long contactId = contact.getContactId(); 600 boolean drawPhotos = isPhoneQuery() ? 601 contactId != RecipientEntry.INVALID_CONTACT 602 : (contactId != RecipientEntry.INVALID_CONTACT 603 && (contactId != RecipientEntry.GENERATED_CONTACT && 604 !TextUtils.isEmpty(contact.getDisplayName()))); 605 if (drawPhotos) { 606 byte[] photoBytes = contact.getPhotoBytes(); 607 // There may not be a photo yet if anything but the first contact address 608 // was selected. 609 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 610 // TODO: cache this in the recipient entry? 611 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 612 .getPhotoThumbnailUri()); 613 photoBytes = contact.getPhotoBytes(); 614 } 615 616 Bitmap photo; 617 if (photoBytes != null) { 618 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 619 } else { 620 // TODO: can the scaled down default photo be cached? 621 photo = mDefaultContactPhoto; 622 } 623 // Draw the photo on the left side. 624 if (photo != null) { 625 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 626 Rect backgroundPadding = new Rect(); 627 mChipBackground.getPadding(backgroundPadding); 628 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 629 0 + backgroundPadding.top, 630 width - backgroundPadding.right, 631 height - backgroundPadding.bottom); 632 Matrix matrix = new Matrix(); 633 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 634 canvas.drawBitmap(photo, matrix, paint); 635 } 636 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 637 iconWidth = 0; 638 } 639 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 640 // Vertically center the text in the chip. 641 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 642 getTextYOffset((String)ellipsizedText, paint, height), paint); 643 } else { 644 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 645 } 646 return tmpBitmap; 647 } 648 649 /** 650 * Get the background drawable for a RecipientChip. 651 */ 652 // Visible for testing. 653 /* package */Drawable getChipBackground(RecipientEntry contact) { 654 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 655 } 656 657 private static float getTextYOffset(String text, TextPaint paint, int height) { 658 Rect bounds = new Rect(); 659 paint.getTextBounds(text, 0, text.length(), bounds); 660 int textHeight = bounds.bottom - bounds.top ; 661 return height - ((height - textHeight) / 2) - (int)paint.descent(); 662 } 663 664 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 665 boolean leaveIconSpace) throws NullPointerException { 666 if (mChipBackground == null) { 667 throw new NullPointerException( 668 "Unable to render any chips as setChipDimensions was not called."); 669 } 670 671 TextPaint paint = getPaint(); 672 float defaultSize = paint.getTextSize(); 673 int defaultColor = paint.getColor(); 674 675 Bitmap tmpBitmap; 676 if (pressed) { 677 tmpBitmap = createSelectedChip(contact, paint); 678 679 } else { 680 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 681 } 682 683 // Pass the full text, un-ellipsized, to the chip. 684 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 685 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 686 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 687 // Return text to the original size. 688 paint.setTextSize(defaultSize); 689 paint.setColor(defaultColor); 690 return recipientChip; 691 } 692 693 /** 694 * Calculate the bottom of the line the chip will be located on using: 695 * 1) which line the chip appears on 696 * 2) the height of a chip 697 * 3) padding built into the edit text view 698 */ 699 private int calculateOffsetFromBottom(int line) { 700 // Line offsets start at zero. 701 int actualLine = getLineCount() - (line + 1); 702 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 703 + getDropDownVerticalOffset(); 704 } 705 706 /** 707 * Get the max amount of space a chip can take up. The formula takes into 708 * account the width of the EditTextView, any view padding, and padding 709 * that will be added to the chip. 710 */ 711 private float calculateAvailableWidth() { 712 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 713 } 714 715 716 private void setChipDimensions(Context context, AttributeSet attrs) { 717 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 718 0); 719 Resources r = getContext().getResources(); 720 721 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 722 if (mChipBackground == null) { 723 mChipBackground = r.getDrawable(R.drawable.chip_background); 724 } 725 mChipBackgroundPressed = a 726 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 727 if (mChipBackgroundPressed == null) { 728 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 729 } 730 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 731 if (mChipDelete == null) { 732 mChipDelete = r.getDrawable(R.drawable.chip_delete); 733 } 734 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 735 if (mChipPadding == -1) { 736 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 737 } 738 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 739 -1); 740 if (mAlternatesLayout == -1) { 741 mAlternatesLayout = R.layout.chips_alternate_item; 742 } 743 744 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 745 746 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 747 748 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 749 if (mChipHeight == -1) { 750 mChipHeight = r.getDimension(R.dimen.chip_height); 751 } 752 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 753 if (mChipFontSize == -1) { 754 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 755 } 756 mInvalidChipBackground = a 757 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 758 if (mInvalidChipBackground == null) { 759 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 760 } 761 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 762 mMaxLines = r.getInteger(R.integer.chips_max_lines); 763 TypedValue tv = new TypedValue(); 764 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 765 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 766 .getDisplayMetrics()); 767 } 768 a.recycle(); 769 } 770 771 // Visible for testing. 772 /* package */ void setMoreItem(TextView moreItem) { 773 mMoreItem = moreItem; 774 } 775 776 777 // Visible for testing. 778 /* package */ void setChipBackground(Drawable chipBackground) { 779 mChipBackground = chipBackground; 780 } 781 782 // Visible for testing. 783 /* package */ void setChipHeight(int height) { 784 mChipHeight = height; 785 } 786 787 /** 788 * Set whether to shrink the recipients field such that at most 789 * one line of recipients chips are shown when the field loses 790 * focus. By default, the number of displayed recipients will be 791 * limited and a "more" chip will be shown when focus is lost. 792 * @param shrink 793 */ 794 public void setOnFocusListShrinkRecipients(boolean shrink) { 795 mShouldShrink = shrink; 796 } 797 798 @Override 799 public void onSizeChanged(int width, int height, int oldw, int oldh) { 800 super.onSizeChanged(width, height, oldw, oldh); 801 if (width != 0 && height != 0) { 802 if (mPendingChipsCount > 0) { 803 postHandlePendingChips(); 804 } else { 805 checkChipWidths(); 806 } 807 } 808 // Try to find the scroll view parent, if it exists. 809 if (mScrollView == null && !mTriedGettingScrollView) { 810 ViewParent parent = getParent(); 811 while (parent != null && !(parent instanceof ScrollView)) { 812 parent = parent.getParent(); 813 } 814 if (parent != null) { 815 mScrollView = (ScrollView) parent; 816 } 817 mTriedGettingScrollView = true; 818 } 819 } 820 821 private void postHandlePendingChips() { 822 mHandler.removeCallbacks(mHandlePendingChips); 823 mHandler.post(mHandlePendingChips); 824 } 825 826 private void checkChipWidths() { 827 // Check the widths of the associated chips. 828 DrawableRecipientChip[] chips = getSortedRecipients(); 829 if (chips != null) { 830 Rect bounds; 831 for (DrawableRecipientChip chip : chips) { 832 bounds = chip.getBounds(); 833 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 834 // Need to redraw that chip. 835 replaceChip(chip, chip.getEntry()); 836 } 837 } 838 } 839 } 840 841 // Visible for testing. 842 /*package*/ void handlePendingChips() { 843 if (getViewWidth() <= 0) { 844 // The widget has not been sized yet. 845 // This will be called as a result of onSizeChanged 846 // at a later point. 847 return; 848 } 849 if (mPendingChipsCount <= 0) { 850 return; 851 } 852 853 synchronized (mPendingChips) { 854 Editable editable = getText(); 855 // Tokenize! 856 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 857 for (int i = 0; i < mPendingChips.size(); i++) { 858 String current = mPendingChips.get(i); 859 int tokenStart = editable.toString().indexOf(current); 860 // Always leave a space at the end between tokens. 861 int tokenEnd = tokenStart + current.length() - 1; 862 if (tokenStart >= 0) { 863 // When we have a valid token, include it with the token 864 // to the left. 865 if (tokenEnd < editable.length() - 2 866 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 867 tokenEnd++; 868 } 869 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 870 || !mShouldShrink); 871 } 872 mPendingChipsCount--; 873 } 874 sanitizeEnd(); 875 } else { 876 mNoChips = true; 877 } 878 879 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 880 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 881 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 882 new RecipientReplacementTask().execute(); 883 mTemporaryRecipients = null; 884 } else { 885 // Create the "more" chip 886 mIndividualReplacements = new IndividualReplacementTask(); 887 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 888 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 889 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 890 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 891 mTemporaryRecipients.subList(CHIP_LIMIT, 892 mTemporaryRecipients.size())); 893 } else { 894 mTemporaryRecipients = null; 895 } 896 createMoreChip(); 897 } 898 } else { 899 // There are too many recipients to look up, so just fall back 900 // to showing addresses for all of them. 901 mTemporaryRecipients = null; 902 createMoreChip(); 903 } 904 mPendingChipsCount = 0; 905 mPendingChips.clear(); 906 } 907 } 908 909 // Visible for testing. 910 /*package*/ int getViewWidth() { 911 return getWidth(); 912 } 913 914 /** 915 * Remove any characters after the last valid chip. 916 */ 917 // Visible for testing. 918 /*package*/ void sanitizeEnd() { 919 // Don't sanitize while we are waiting for pending chips to complete. 920 if (mPendingChipsCount > 0) { 921 return; 922 } 923 // Find the last chip; eliminate any commit characters after it. 924 DrawableRecipientChip[] chips = getSortedRecipients(); 925 Spannable spannable = getSpannable(); 926 if (chips != null && chips.length > 0) { 927 int end; 928 mMoreChip = getMoreChip(); 929 if (mMoreChip != null) { 930 end = spannable.getSpanEnd(mMoreChip); 931 } else { 932 end = getSpannable().getSpanEnd(getLastChip()); 933 } 934 Editable editable = getText(); 935 int length = editable.length(); 936 if (length > end) { 937 // See what characters occur after that and eliminate them. 938 if (Log.isLoggable(TAG, Log.DEBUG)) { 939 Log.d(TAG, "There were extra characters after the last tokenizable entry." 940 + editable); 941 } 942 editable.delete(end + 1, length); 943 } 944 } 945 } 946 947 /** 948 * Create a chip that represents just the email address of a recipient. At some later 949 * point, this chip will be attached to a real contact entry, if one exists. 950 */ 951 // VisibleForTesting 952 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 953 boolean visible) { 954 if (alreadyHasChip(tokenStart, tokenEnd)) { 955 // There is already a chip present at this location. 956 // Don't recreate it. 957 return; 958 } 959 String token = editable.toString().substring(tokenStart, tokenEnd); 960 final String trimmedToken = token.trim(); 961 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 962 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 963 token = trimmedToken.substring(0, trimmedToken.length() - 1); 964 } 965 RecipientEntry entry = createTokenizedEntry(token); 966 if (entry != null) { 967 DrawableRecipientChip chip = null; 968 try { 969 if (!mNoChips) { 970 /* 971 * leave space for the contact icon if this is not just an 972 * email address 973 */ 974 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 975 || TextUtils.equals(entry.getDisplayName(), 976 entry.getDestination()); 977 chip = visible ? 978 constructChipSpan(entry, false, leaveSpace) 979 : new InvisibleRecipientChip(entry); 980 } 981 } catch (NullPointerException e) { 982 Log.e(TAG, e.getMessage(), e); 983 } 984 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 985 // Add this chip to the list of entries "to replace" 986 if (chip != null) { 987 if (mTemporaryRecipients == null) { 988 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 989 } 990 chip.setOriginalText(token); 991 mTemporaryRecipients.add(chip); 992 } 993 } 994 } 995 996 private static boolean isPhoneNumber(String number) { 997 // TODO: replace this function with libphonenumber's isPossibleNumber (see 998 // PhoneNumberUtil). One complication is that it requires the sender's region which 999 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1000 if (TextUtils.isEmpty(number)) { 1001 return false; 1002 } 1003 1004 Matcher match = PHONE_PATTERN.matcher(number); 1005 return match.matches(); 1006 } 1007 1008 // VisibleForTesting 1009 RecipientEntry createTokenizedEntry(final String token) { 1010 if (TextUtils.isEmpty(token)) { 1011 return null; 1012 } 1013 if (isPhoneQuery() && isPhoneNumber(token)) { 1014 return RecipientEntry.constructFakePhoneEntry(token, true); 1015 } 1016 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1017 String display = null; 1018 boolean isValid = isValid(token); 1019 if (isValid && tokens != null && tokens.length > 0) { 1020 // If we can get a name from tokenizing, then generate an entry from 1021 // this. 1022 display = tokens[0].getName(); 1023 if (!TextUtils.isEmpty(display)) { 1024 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1025 isValid); 1026 } else { 1027 display = tokens[0].getAddress(); 1028 if (!TextUtils.isEmpty(display)) { 1029 return RecipientEntry.constructFakeEntry(display, isValid); 1030 } 1031 } 1032 } 1033 // Unable to validate the token or to create a valid token from it. 1034 // Just create a chip the user can edit. 1035 String validatedToken = null; 1036 if (mValidator != null && !isValid) { 1037 // Try fixing up the entry using the validator. 1038 validatedToken = mValidator.fixText(token).toString(); 1039 if (!TextUtils.isEmpty(validatedToken)) { 1040 if (validatedToken.contains(token)) { 1041 // protect against the case of a validator with a null 1042 // domain, 1043 // which doesn't add a domain to the token 1044 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1045 if (tokenized.length > 0) { 1046 validatedToken = tokenized[0].getAddress(); 1047 isValid = true; 1048 } 1049 } else { 1050 // We ran into a case where the token was invalid and 1051 // removed 1052 // by the validator. In this case, just use the original 1053 // token 1054 // and let the user sort out the error chip. 1055 validatedToken = null; 1056 isValid = false; 1057 } 1058 } 1059 } 1060 // Otherwise, fallback to just creating an editable email address chip. 1061 return RecipientEntry.constructFakeEntry( 1062 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1063 } 1064 1065 private boolean isValid(String text) { 1066 return mValidator == null ? true : mValidator.isValid(text); 1067 } 1068 1069 private static String tokenizeAddress(String destination) { 1070 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1071 if (tokens != null && tokens.length > 0) { 1072 return tokens[0].getAddress(); 1073 } 1074 return destination; 1075 } 1076 1077 @Override 1078 public void setTokenizer(Tokenizer tokenizer) { 1079 mTokenizer = tokenizer; 1080 super.setTokenizer(mTokenizer); 1081 } 1082 1083 @Override 1084 public void setValidator(Validator validator) { 1085 mValidator = validator; 1086 super.setValidator(validator); 1087 } 1088 1089 /** 1090 * We cannot use the default mechanism for replaceText. Instead, 1091 * we override onItemClickListener so we can get all the associated 1092 * contact information including display text, address, and id. 1093 */ 1094 @Override 1095 protected void replaceText(CharSequence text) { 1096 return; 1097 } 1098 1099 /** 1100 * Dismiss any selected chips when the back key is pressed. 1101 */ 1102 @Override 1103 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1104 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1105 clearSelectedChip(); 1106 return true; 1107 } 1108 return super.onKeyPreIme(keyCode, event); 1109 } 1110 1111 /** 1112 * Monitor key presses in this view to see if the user types 1113 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1114 * If the user has entered text that has contact matches and types 1115 * a commit key, create a chip from the topmost matching contact. 1116 * If the user has entered text that has no contact matches and types 1117 * a commit key, then create a chip from the text they have entered. 1118 */ 1119 @Override 1120 public boolean onKeyUp(int keyCode, KeyEvent event) { 1121 switch (keyCode) { 1122 case KeyEvent.KEYCODE_TAB: 1123 if (event.hasNoModifiers()) { 1124 if (mSelectedChip != null) { 1125 clearSelectedChip(); 1126 } else { 1127 commitDefault(); 1128 } 1129 } 1130 break; 1131 } 1132 return super.onKeyUp(keyCode, event); 1133 } 1134 1135 private boolean focusNext() { 1136 View next = focusSearch(View.FOCUS_DOWN); 1137 if (next != null) { 1138 next.requestFocus(); 1139 return true; 1140 } 1141 return false; 1142 } 1143 1144 /** 1145 * Create a chip from the default selection. If the popup is showing, the 1146 * default is the first item in the popup suggestions list. Otherwise, it is 1147 * whatever the user had typed in. End represents where the the tokenizer 1148 * should search for a token to turn into a chip. 1149 * @return If a chip was created from a real contact. 1150 */ 1151 private boolean commitDefault() { 1152 // If there is no tokenizer, don't try to commit. 1153 if (mTokenizer == null) { 1154 return false; 1155 } 1156 Editable editable = getText(); 1157 int end = getSelectionEnd(); 1158 int start = mTokenizer.findTokenStart(editable, end); 1159 1160 if (shouldCreateChip(start, end)) { 1161 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1162 // In the middle of chip; treat this as an edit 1163 // and commit the whole token. 1164 whatEnd = movePastTerminators(whatEnd); 1165 if (whatEnd != getSelectionEnd()) { 1166 handleEdit(start, whatEnd); 1167 return true; 1168 } 1169 return commitChip(start, end , editable); 1170 } 1171 return false; 1172 } 1173 1174 private void commitByCharacter() { 1175 // We can't possibly commit by character if we can't tokenize. 1176 if (mTokenizer == null) { 1177 return; 1178 } 1179 Editable editable = getText(); 1180 int end = getSelectionEnd(); 1181 int start = mTokenizer.findTokenStart(editable, end); 1182 if (shouldCreateChip(start, end)) { 1183 commitChip(start, end, editable); 1184 } 1185 setSelection(getText().length()); 1186 } 1187 1188 private boolean commitChip(int start, int end, Editable editable) { 1189 ListAdapter adapter = getAdapter(); 1190 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1191 && end == getSelectionEnd() && !isPhoneQuery()) { 1192 // choose the first entry. 1193 submitItemAtPosition(0); 1194 dismissDropDown(); 1195 return true; 1196 } else { 1197 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1198 if (editable.length() > tokenEnd + 1) { 1199 char charAt = editable.charAt(tokenEnd + 1); 1200 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1201 tokenEnd++; 1202 } 1203 } 1204 String text = editable.toString().substring(start, tokenEnd).trim(); 1205 clearComposingText(); 1206 if (text != null && text.length() > 0 && !text.equals(" ")) { 1207 RecipientEntry entry = createTokenizedEntry(text); 1208 if (entry != null) { 1209 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1210 CharSequence chipText = createChip(entry, false); 1211 if (chipText != null && start > -1 && end > -1) { 1212 editable.replace(start, end, chipText); 1213 } 1214 } 1215 // Only dismiss the dropdown if it is related to the text we 1216 // just committed. 1217 // For paste, it may not be as there are possibly multiple 1218 // tokens being added. 1219 if (end == getSelectionEnd()) { 1220 dismissDropDown(); 1221 } 1222 sanitizeBetween(); 1223 return true; 1224 } 1225 } 1226 return false; 1227 } 1228 1229 // Visible for testing. 1230 /* package */ void sanitizeBetween() { 1231 // Don't sanitize while we are waiting for content to chipify. 1232 if (mPendingChipsCount > 0) { 1233 return; 1234 } 1235 // Find the last chip. 1236 DrawableRecipientChip[] recips = getSortedRecipients(); 1237 if (recips != null && recips.length > 0) { 1238 DrawableRecipientChip last = recips[recips.length - 1]; 1239 DrawableRecipientChip beforeLast = null; 1240 if (recips.length > 1) { 1241 beforeLast = recips[recips.length - 2]; 1242 } 1243 int startLooking = 0; 1244 int end = getSpannable().getSpanStart(last); 1245 if (beforeLast != null) { 1246 startLooking = getSpannable().getSpanEnd(beforeLast); 1247 Editable text = getText(); 1248 if (startLooking == -1 || startLooking > text.length() - 1) { 1249 // There is nothing after this chip. 1250 return; 1251 } 1252 if (text.charAt(startLooking) == ' ') { 1253 startLooking++; 1254 } 1255 } 1256 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1257 getText().delete(startLooking, end); 1258 } 1259 } 1260 } 1261 1262 private boolean shouldCreateChip(int start, int end) { 1263 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1264 } 1265 1266 private boolean alreadyHasChip(int start, int end) { 1267 if (mNoChips) { 1268 return true; 1269 } 1270 DrawableRecipientChip[] chips = 1271 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1272 if ((chips == null || chips.length == 0)) { 1273 return false; 1274 } 1275 return true; 1276 } 1277 1278 private void handleEdit(int start, int end) { 1279 if (start == -1 || end == -1) { 1280 // This chip no longer exists in the field. 1281 dismissDropDown(); 1282 return; 1283 } 1284 // This is in the middle of a chip, so select out the whole chip 1285 // and commit it. 1286 Editable editable = getText(); 1287 setSelection(end); 1288 String text = getText().toString().substring(start, end); 1289 if (!TextUtils.isEmpty(text)) { 1290 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1291 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1292 CharSequence chipText = createChip(entry, false); 1293 int selEnd = getSelectionEnd(); 1294 if (chipText != null && start > -1 && selEnd > -1) { 1295 editable.replace(start, selEnd, chipText); 1296 } 1297 } 1298 dismissDropDown(); 1299 } 1300 1301 /** 1302 * If there is a selected chip, delegate the key events 1303 * to the selected chip. 1304 */ 1305 @Override 1306 public boolean onKeyDown(int keyCode, KeyEvent event) { 1307 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1308 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1309 mAlternatesPopup.dismiss(); 1310 } 1311 removeChip(mSelectedChip); 1312 } 1313 1314 switch (keyCode) { 1315 case KeyEvent.KEYCODE_ENTER: 1316 case KeyEvent.KEYCODE_DPAD_CENTER: 1317 if (event.hasNoModifiers()) { 1318 if (commitDefault()) { 1319 return true; 1320 } 1321 if (mSelectedChip != null) { 1322 clearSelectedChip(); 1323 return true; 1324 } else if (focusNext()) { 1325 return true; 1326 } 1327 } 1328 break; 1329 } 1330 1331 return super.onKeyDown(keyCode, event); 1332 } 1333 1334 // Visible for testing. 1335 /* package */ Spannable getSpannable() { 1336 return getText(); 1337 } 1338 1339 private int getChipStart(DrawableRecipientChip chip) { 1340 return getSpannable().getSpanStart(chip); 1341 } 1342 1343 private int getChipEnd(DrawableRecipientChip chip) { 1344 return getSpannable().getSpanEnd(chip); 1345 } 1346 1347 /** 1348 * Instead of filtering on the entire contents of the edit box, 1349 * this subclass method filters on the range from 1350 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1351 * if the length of that range meets or exceeds {@link #getThreshold} 1352 * and makes sure that the range is not already a Chip. 1353 */ 1354 @Override 1355 protected void performFiltering(CharSequence text, int keyCode) { 1356 boolean isCompletedToken = isCompletedToken(text); 1357 if (enoughToFilter() && !isCompletedToken) { 1358 int end = getSelectionEnd(); 1359 int start = mTokenizer.findTokenStart(text, end); 1360 // If this is a RecipientChip, don't filter 1361 // on its contents. 1362 Spannable span = getSpannable(); 1363 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1364 if (chips != null && chips.length > 0) { 1365 return; 1366 } 1367 } else if (isCompletedToken) { 1368 return; 1369 } 1370 super.performFiltering(text, keyCode); 1371 } 1372 1373 // Visible for testing. 1374 /*package*/ boolean isCompletedToken(CharSequence text) { 1375 if (TextUtils.isEmpty(text)) { 1376 return false; 1377 } 1378 // Check to see if this is a completed token before filtering. 1379 int end = text.length(); 1380 int start = mTokenizer.findTokenStart(text, end); 1381 String token = text.toString().substring(start, end).trim(); 1382 if (!TextUtils.isEmpty(token)) { 1383 char atEnd = token.charAt(token.length() - 1); 1384 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1385 } 1386 return false; 1387 } 1388 1389 private void clearSelectedChip() { 1390 if (mSelectedChip != null) { 1391 unselectChip(mSelectedChip); 1392 mSelectedChip = null; 1393 } 1394 setCursorVisible(true); 1395 } 1396 1397 /** 1398 * Monitor touch events in the RecipientEditTextView. 1399 * If the view does not have focus, any tap on the view 1400 * will just focus the view. If the view has focus, determine 1401 * if the touch target is a recipient chip. If it is and the chip 1402 * is not selected, select it and clear any other selected chips. 1403 * If it isn't, then select that chip. 1404 */ 1405 @Override 1406 public boolean onTouchEvent(MotionEvent event) { 1407 if (!isFocused()) { 1408 // Ignore any chip taps until this view is focused. 1409 return super.onTouchEvent(event); 1410 } 1411 boolean handled = super.onTouchEvent(event); 1412 int action = event.getAction(); 1413 boolean chipWasSelected = false; 1414 if (mSelectedChip == null) { 1415 mGestureDetector.onTouchEvent(event); 1416 } 1417 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1418 float x = event.getX(); 1419 float y = event.getY(); 1420 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1421 DrawableRecipientChip currentChip = findChip(offset); 1422 if (currentChip != null) { 1423 if (action == MotionEvent.ACTION_UP) { 1424 if (mSelectedChip != null && mSelectedChip != currentChip) { 1425 clearSelectedChip(); 1426 mSelectedChip = selectChip(currentChip); 1427 } else if (mSelectedChip == null) { 1428 setSelection(getText().length()); 1429 commitDefault(); 1430 mSelectedChip = selectChip(currentChip); 1431 } else { 1432 onClick(mSelectedChip, offset, x, y); 1433 } 1434 } 1435 chipWasSelected = true; 1436 handled = true; 1437 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1438 chipWasSelected = true; 1439 } 1440 } 1441 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1442 clearSelectedChip(); 1443 } 1444 return handled; 1445 } 1446 1447 private void scrollLineIntoView(int line) { 1448 if (mScrollView != null) { 1449 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1450 } 1451 } 1452 1453 private void showAlternates(final DrawableRecipientChip currentChip, 1454 final ListPopupWindow alternatesPopup, final int width) { 1455 new AsyncTask<Void, Void, ListAdapter>() { 1456 @Override 1457 protected ListAdapter doInBackground(final Void... params) { 1458 return createAlternatesAdapter(currentChip); 1459 } 1460 1461 protected void onPostExecute(final ListAdapter result) { 1462 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1463 int bottom; 1464 if (line == getLineCount() -1) { 1465 bottom = 0; 1466 } else { 1467 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1468 .abs(getLineCount() - 1 - line))); 1469 } 1470 // Align the alternates popup with the left side of the View, 1471 // regardless of the position of the chip tapped. 1472 alternatesPopup.setWidth(width); 1473 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1474 alternatesPopup.setVerticalOffset(bottom); 1475 alternatesPopup.setAdapter(result); 1476 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1477 // Clear the checked item. 1478 mCheckedItem = -1; 1479 alternatesPopup.show(); 1480 ListView listView = alternatesPopup.getListView(); 1481 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1482 // Checked item would be -1 if the adapter has not 1483 // loaded the view that should be checked yet. The 1484 // variable will be set correctly when onCheckedItemChanged 1485 // is called in a separate thread. 1486 if (mCheckedItem != -1) { 1487 listView.setItemChecked(mCheckedItem, true); 1488 mCheckedItem = -1; 1489 } 1490 } 1491 }.execute((Void[]) null); 1492 } 1493 1494 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1495 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1496 ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1497 } 1498 1499 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1500 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1501 .getEntry()); 1502 } 1503 1504 @Override 1505 public void onCheckedItemChanged(int position) { 1506 ListView listView = mAlternatesPopup.getListView(); 1507 if (listView != null && listView.getCheckedItemCount() == 0) { 1508 listView.setItemChecked(position, true); 1509 } 1510 mCheckedItem = position; 1511 } 1512 1513 // TODO: This algorithm will need a lot of tweaking after more people have used 1514 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1515 // what comes before the finger. 1516 private int putOffsetInRange(int o) { 1517 int offset = o; 1518 Editable text = getText(); 1519 int length = text.length(); 1520 // Remove whitespace from end to find "real end" 1521 int realLength = length; 1522 for (int i = length - 1; i >= 0; i--) { 1523 if (text.charAt(i) == ' ') { 1524 realLength--; 1525 } else { 1526 break; 1527 } 1528 } 1529 1530 // If the offset is beyond or at the end of the text, 1531 // leave it alone. 1532 if (offset >= realLength) { 1533 return offset; 1534 } 1535 Editable editable = getText(); 1536 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1537 // Keep walking backward! 1538 offset--; 1539 } 1540 return offset; 1541 } 1542 1543 private static int findText(Editable text, int offset) { 1544 if (text.charAt(offset) != ' ') { 1545 return offset; 1546 } 1547 return -1; 1548 } 1549 1550 private DrawableRecipientChip findChip(int offset) { 1551 DrawableRecipientChip[] chips = 1552 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1553 // Find the chip that contains this offset. 1554 for (int i = 0; i < chips.length; i++) { 1555 DrawableRecipientChip chip = chips[i]; 1556 int start = getChipStart(chip); 1557 int end = getChipEnd(chip); 1558 if (offset >= start && offset <= end) { 1559 return chip; 1560 } 1561 } 1562 return null; 1563 } 1564 1565 // Visible for testing. 1566 // Use this method to generate text to add to the list of addresses. 1567 /* package */String createAddressText(RecipientEntry entry) { 1568 String display = entry.getDisplayName(); 1569 String address = entry.getDestination(); 1570 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1571 display = null; 1572 } 1573 String trimmedDisplayText; 1574 if (isPhoneQuery() && isPhoneNumber(address)) { 1575 trimmedDisplayText = address.trim(); 1576 } else { 1577 if (address != null) { 1578 // Tokenize out the address in case the address already 1579 // contained the username as well. 1580 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1581 if (tokenized != null && tokenized.length > 0) { 1582 address = tokenized[0].getAddress(); 1583 } 1584 } 1585 Rfc822Token token = new Rfc822Token(display, address, null); 1586 trimmedDisplayText = token.toString().trim(); 1587 } 1588 int index = trimmedDisplayText.indexOf(","); 1589 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1590 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1591 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1592 } 1593 1594 // Visible for testing. 1595 // Use this method to generate text to display in a chip. 1596 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1597 String display = entry.getDisplayName(); 1598 String address = entry.getDestination(); 1599 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1600 display = null; 1601 } 1602 if (!TextUtils.isEmpty(display)) { 1603 return display; 1604 } else if (!TextUtils.isEmpty(address)){ 1605 return address; 1606 } else { 1607 return new Rfc822Token(display, address, null).toString(); 1608 } 1609 } 1610 1611 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1612 String displayText = createAddressText(entry); 1613 if (TextUtils.isEmpty(displayText)) { 1614 return null; 1615 } 1616 SpannableString chipText = null; 1617 // Always leave a blank space at the end of a chip. 1618 int textLength = displayText.length() - 1; 1619 chipText = new SpannableString(displayText); 1620 if (!mNoChips) { 1621 try { 1622 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1623 false /* leave space for contact icon */); 1624 chipText.setSpan(chip, 0, textLength, 1625 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1626 chip.setOriginalText(chipText.toString()); 1627 } catch (NullPointerException e) { 1628 Log.e(TAG, e.getMessage(), e); 1629 return null; 1630 } 1631 } 1632 return chipText; 1633 } 1634 1635 /** 1636 * When an item in the suggestions list has been clicked, create a chip from the 1637 * contact information of the selected item. 1638 */ 1639 @Override 1640 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1641 if (position < 0) { 1642 return; 1643 } 1644 submitItemAtPosition(position); 1645 } 1646 1647 private void submitItemAtPosition(int position) { 1648 RecipientEntry entry = createValidatedEntry( 1649 (RecipientEntry)getAdapter().getItem(position)); 1650 if (entry == null) { 1651 return; 1652 } 1653 clearComposingText(); 1654 1655 int end = getSelectionEnd(); 1656 int start = mTokenizer.findTokenStart(getText(), end); 1657 1658 Editable editable = getText(); 1659 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1660 CharSequence chip = createChip(entry, false); 1661 if (chip != null && start >= 0 && end >= 0) { 1662 editable.replace(start, end, chip); 1663 } 1664 sanitizeBetween(); 1665 } 1666 1667 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1668 if (item == null) { 1669 return null; 1670 } 1671 final RecipientEntry entry; 1672 // If the display name and the address are the same, or if this is a 1673 // valid contact, but the destination is invalid, then make this a fake 1674 // recipient that is editable. 1675 String destination = item.getDestination(); 1676 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1677 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1678 destination, item.isValid()); 1679 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1680 && (TextUtils.isEmpty(item.getDisplayName()) 1681 || TextUtils.equals(item.getDisplayName(), destination) 1682 || (mValidator != null && !mValidator.isValid(destination)))) { 1683 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1684 } else { 1685 entry = item; 1686 } 1687 return entry; 1688 } 1689 1690 /** Returns a collection of contact Id for each chip inside this View. */ 1691 /* package */ Collection<Long> getContactIds() { 1692 final Set<Long> result = new HashSet<Long>(); 1693 DrawableRecipientChip[] chips = getSortedRecipients(); 1694 if (chips != null) { 1695 for (DrawableRecipientChip chip : chips) { 1696 result.add(chip.getContactId()); 1697 } 1698 } 1699 return result; 1700 } 1701 1702 1703 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1704 /* package */ Collection<Long> getDataIds() { 1705 final Set<Long> result = new HashSet<Long>(); 1706 DrawableRecipientChip [] chips = getSortedRecipients(); 1707 if (chips != null) { 1708 for (DrawableRecipientChip chip : chips) { 1709 result.add(chip.getDataId()); 1710 } 1711 } 1712 return result; 1713 } 1714 1715 // Visible for testing. 1716 /* package */DrawableRecipientChip[] getSortedRecipients() { 1717 DrawableRecipientChip[] recips = getSpannable() 1718 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1719 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1720 Arrays.asList(recips)); 1721 final Spannable spannable = getSpannable(); 1722 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1723 1724 @Override 1725 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1726 int firstStart = spannable.getSpanStart(first); 1727 int secondStart = spannable.getSpanStart(second); 1728 if (firstStart < secondStart) { 1729 return -1; 1730 } else if (firstStart > secondStart) { 1731 return 1; 1732 } else { 1733 return 0; 1734 } 1735 } 1736 }); 1737 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1738 } 1739 1740 @Override 1741 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1742 return false; 1743 } 1744 1745 @Override 1746 public void onDestroyActionMode(ActionMode mode) { 1747 } 1748 1749 @Override 1750 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1751 return false; 1752 } 1753 1754 /** 1755 * No chips are selectable. 1756 */ 1757 @Override 1758 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1759 return false; 1760 } 1761 1762 // Visible for testing. 1763 /* package */ImageSpan getMoreChip() { 1764 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1765 MoreImageSpan.class); 1766 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1767 } 1768 1769 private MoreImageSpan createMoreSpan(int count) { 1770 String moreText = String.format(mMoreItem.getText().toString(), count); 1771 TextPaint morePaint = new TextPaint(getPaint()); 1772 morePaint.setTextSize(mMoreItem.getTextSize()); 1773 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1774 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1775 + mMoreItem.getPaddingRight(); 1776 int height = getLineHeight(); 1777 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1778 Canvas canvas = new Canvas(drawable); 1779 int adjustedHeight = height; 1780 Layout layout = getLayout(); 1781 if (layout != null) { 1782 adjustedHeight -= layout.getLineDescent(0); 1783 } 1784 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1785 1786 Drawable result = new BitmapDrawable(getResources(), drawable); 1787 result.setBounds(0, 0, width, height); 1788 return new MoreImageSpan(result); 1789 } 1790 1791 // Visible for testing. 1792 /*package*/ void createMoreChipPlainText() { 1793 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1794 Editable text = getText(); 1795 int start = 0; 1796 int end = start; 1797 for (int i = 0; i < CHIP_LIMIT; i++) { 1798 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1799 start = end; // move to the next token and get its end. 1800 } 1801 // Now, count total addresses. 1802 start = 0; 1803 int tokenCount = countTokens(text); 1804 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1805 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1806 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1807 text.replace(end, text.length(), chipText); 1808 mMoreChip = moreSpan; 1809 } 1810 1811 // Visible for testing. 1812 /* package */int countTokens(Editable text) { 1813 int tokenCount = 0; 1814 int start = 0; 1815 while (start < text.length()) { 1816 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1817 tokenCount++; 1818 if (start >= text.length()) { 1819 break; 1820 } 1821 } 1822 return tokenCount; 1823 } 1824 1825 /** 1826 * Create the more chip. The more chip is text that replaces any chips that 1827 * do not fit in the pre-defined available space when the 1828 * RecipientEditTextView loses focus. 1829 */ 1830 // Visible for testing. 1831 /* package */ void createMoreChip() { 1832 if (mNoChips) { 1833 createMoreChipPlainText(); 1834 return; 1835 } 1836 1837 if (!mShouldShrink) { 1838 return; 1839 } 1840 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1841 if (tempMore.length > 0) { 1842 getSpannable().removeSpan(tempMore[0]); 1843 } 1844 DrawableRecipientChip[] recipients = getSortedRecipients(); 1845 1846 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1847 mMoreChip = null; 1848 return; 1849 } 1850 Spannable spannable = getSpannable(); 1851 int numRecipients = recipients.length; 1852 int overage = numRecipients - CHIP_LIMIT; 1853 MoreImageSpan moreSpan = createMoreSpan(overage); 1854 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1855 int totalReplaceStart = 0; 1856 int totalReplaceEnd = 0; 1857 Editable text = getText(); 1858 for (int i = numRecipients - overage; i < recipients.length; i++) { 1859 mRemovedSpans.add(recipients[i]); 1860 if (i == numRecipients - overage) { 1861 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1862 } 1863 if (i == recipients.length - 1) { 1864 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1865 } 1866 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1867 int spanStart = spannable.getSpanStart(recipients[i]); 1868 int spanEnd = spannable.getSpanEnd(recipients[i]); 1869 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1870 } 1871 spannable.removeSpan(recipients[i]); 1872 } 1873 if (totalReplaceEnd < text.length()) { 1874 totalReplaceEnd = text.length(); 1875 } 1876 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1877 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1878 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1879 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1880 text.replace(start, end, chipText); 1881 mMoreChip = moreSpan; 1882 // If adding the +more chip goes over the limit, resize accordingly. 1883 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1884 setMaxLines(getLineCount()); 1885 } 1886 } 1887 1888 /** 1889 * Replace the more chip, if it exists, with all of the recipient chips it had 1890 * replaced when the RecipientEditTextView gains focus. 1891 */ 1892 // Visible for testing. 1893 /*package*/ void removeMoreChip() { 1894 if (mMoreChip != null) { 1895 Spannable span = getSpannable(); 1896 span.removeSpan(mMoreChip); 1897 mMoreChip = null; 1898 // Re-add the spans that were removed. 1899 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1900 // Recreate each removed span. 1901 DrawableRecipientChip[] recipients = getSortedRecipients(); 1902 // Start the search for tokens after the last currently visible 1903 // chip. 1904 if (recipients == null || recipients.length == 0) { 1905 return; 1906 } 1907 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1908 Editable editable = getText(); 1909 for (DrawableRecipientChip chip : mRemovedSpans) { 1910 int chipStart; 1911 int chipEnd; 1912 String token; 1913 // Need to find the location of the chip, again. 1914 token = (String) chip.getOriginalText(); 1915 // As we find the matching recipient for the remove spans, 1916 // reduce the size of the string we need to search. 1917 // That way, if there are duplicates, we always find the correct 1918 // recipient. 1919 chipStart = editable.toString().indexOf(token, end); 1920 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1921 // Only set the span if we found a matching token. 1922 if (chipStart != -1) { 1923 editable.setSpan(chip, chipStart, chipEnd, 1924 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1925 } 1926 } 1927 mRemovedSpans.clear(); 1928 } 1929 } 1930 } 1931 1932 /** 1933 * Show specified chip as selected. If the RecipientChip is just an email address, 1934 * selecting the chip will take the contents of the chip and place it at 1935 * the end of the RecipientEditTextView for inline editing. If the 1936 * RecipientChip is a complete contact, then selecting the chip 1937 * will change the background color of the chip, show the delete icon, 1938 * and a popup window with the address in use highlighted and any other 1939 * alternate addresses for the contact. 1940 * @param currentChip Chip to select. 1941 * @return A RecipientChip in the selected state or null if the chip 1942 * just contained an email address. 1943 */ 1944 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 1945 if (shouldShowEditableText(currentChip)) { 1946 CharSequence text = currentChip.getValue(); 1947 Editable editable = getText(); 1948 Spannable spannable = getSpannable(); 1949 int spanStart = spannable.getSpanStart(currentChip); 1950 int spanEnd = spannable.getSpanEnd(currentChip); 1951 spannable.removeSpan(currentChip); 1952 editable.delete(spanStart, spanEnd); 1953 setCursorVisible(true); 1954 setSelection(editable.length()); 1955 editable.append(text); 1956 return constructChipSpan( 1957 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1958 true, false); 1959 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1960 int start = getChipStart(currentChip); 1961 int end = getChipEnd(currentChip); 1962 getSpannable().removeSpan(currentChip); 1963 DrawableRecipientChip newChip; 1964 try { 1965 if (mNoChips) { 1966 return null; 1967 } 1968 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1969 } catch (NullPointerException e) { 1970 Log.e(TAG, e.getMessage(), e); 1971 return null; 1972 } 1973 Editable editable = getText(); 1974 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1975 if (start == -1 || end == -1) { 1976 Log.d(TAG, "The chip being selected no longer exists but should."); 1977 } else { 1978 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1979 } 1980 newChip.setSelected(true); 1981 if (shouldShowEditableText(newChip)) { 1982 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1983 } 1984 showAddress(newChip, mAddressPopup, getWidth()); 1985 setCursorVisible(false); 1986 return newChip; 1987 } else { 1988 int start = getChipStart(currentChip); 1989 int end = getChipEnd(currentChip); 1990 getSpannable().removeSpan(currentChip); 1991 DrawableRecipientChip newChip; 1992 try { 1993 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1994 } catch (NullPointerException e) { 1995 Log.e(TAG, e.getMessage(), e); 1996 return null; 1997 } 1998 Editable editable = getText(); 1999 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2000 if (start == -1 || end == -1) { 2001 Log.d(TAG, "The chip being selected no longer exists but should."); 2002 } else { 2003 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2004 } 2005 newChip.setSelected(true); 2006 if (shouldShowEditableText(newChip)) { 2007 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2008 } 2009 showAlternates(newChip, mAlternatesPopup, getWidth()); 2010 setCursorVisible(false); 2011 return newChip; 2012 } 2013 } 2014 2015 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2016 long contactId = currentChip.getContactId(); 2017 return contactId == RecipientEntry.INVALID_CONTACT 2018 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2019 } 2020 2021 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2022 int width) { 2023 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2024 int bottom = calculateOffsetFromBottom(line); 2025 // Align the alternates popup with the left side of the View, 2026 // regardless of the position of the chip tapped. 2027 popup.setWidth(width); 2028 popup.setAnchorView(this); 2029 popup.setVerticalOffset(bottom); 2030 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2031 popup.setOnItemClickListener(new OnItemClickListener() { 2032 @Override 2033 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2034 unselectChip(currentChip); 2035 popup.dismiss(); 2036 } 2037 }); 2038 popup.show(); 2039 ListView listView = popup.getListView(); 2040 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2041 listView.setItemChecked(0, true); 2042 } 2043 2044 /** 2045 * Remove selection from this chip. Unselecting a RecipientChip will render 2046 * the chip without a delete icon and with an unfocused background. This is 2047 * called when the RecipientChip no longer has focus. 2048 */ 2049 private void unselectChip(DrawableRecipientChip chip) { 2050 int start = getChipStart(chip); 2051 int end = getChipEnd(chip); 2052 Editable editable = getText(); 2053 mSelectedChip = null; 2054 if (start == -1 || end == -1) { 2055 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2056 setSelection(editable.length()); 2057 commitDefault(); 2058 } else { 2059 getSpannable().removeSpan(chip); 2060 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2061 editable.removeSpan(chip); 2062 try { 2063 if (!mNoChips) { 2064 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2065 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2066 } 2067 } catch (NullPointerException e) { 2068 Log.e(TAG, e.getMessage(), e); 2069 } 2070 } 2071 setCursorVisible(true); 2072 setSelection(editable.length()); 2073 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2074 mAlternatesPopup.dismiss(); 2075 } 2076 } 2077 2078 /** 2079 * Return whether a touch event was inside the delete target of 2080 * a selected chip. It is in the delete target if: 2081 * 1) the x and y points of the event are within the 2082 * delete assset. 2083 * 2) the point tapped would have caused a cursor to appear 2084 * right after the selected chip. 2085 * @return boolean 2086 */ 2087 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2088 // Figure out the bounds of this chip and whether or not 2089 // the user clicked in the X portion. 2090 // TODO: Should x and y be used, or removed? 2091 return chip.isSelected() && offset == getChipEnd(chip); 2092 } 2093 2094 /** 2095 * Remove the chip and any text associated with it from the RecipientEditTextView. 2096 */ 2097 // Visible for testing. 2098 /*pacakge*/ void removeChip(DrawableRecipientChip chip) { 2099 Spannable spannable = getSpannable(); 2100 int spanStart = spannable.getSpanStart(chip); 2101 int spanEnd = spannable.getSpanEnd(chip); 2102 Editable text = getText(); 2103 int toDelete = spanEnd; 2104 boolean wasSelected = chip == mSelectedChip; 2105 // Clear that there is a selected chip before updating any text. 2106 if (wasSelected) { 2107 mSelectedChip = null; 2108 } 2109 // Always remove trailing spaces when removing a chip. 2110 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2111 toDelete++; 2112 } 2113 spannable.removeSpan(chip); 2114 if (spanStart >= 0 && toDelete > 0) { 2115 text.delete(spanStart, toDelete); 2116 } 2117 if (wasSelected) { 2118 clearSelectedChip(); 2119 } 2120 } 2121 2122 /** 2123 * Replace this currently selected chip with a new chip 2124 * that uses the contact data provided. 2125 */ 2126 // Visible for testing. 2127 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2128 boolean wasSelected = chip == mSelectedChip; 2129 if (wasSelected) { 2130 mSelectedChip = null; 2131 } 2132 int start = getChipStart(chip); 2133 int end = getChipEnd(chip); 2134 getSpannable().removeSpan(chip); 2135 Editable editable = getText(); 2136 CharSequence chipText = createChip(entry, false); 2137 if (chipText != null) { 2138 if (start == -1 || end == -1) { 2139 Log.e(TAG, "The chip to replace does not exist but should."); 2140 editable.insert(0, chipText); 2141 } else { 2142 if (!TextUtils.isEmpty(chipText)) { 2143 // There may be a space to replace with this chip's new 2144 // associated space. Check for it 2145 int toReplace = end; 2146 while (toReplace >= 0 && toReplace < editable.length() 2147 && editable.charAt(toReplace) == ' ') { 2148 toReplace++; 2149 } 2150 editable.replace(start, toReplace, chipText); 2151 } 2152 } 2153 } 2154 setCursorVisible(true); 2155 if (wasSelected) { 2156 clearSelectedChip(); 2157 } 2158 } 2159 2160 /** 2161 * Handle click events for a chip. When a selected chip receives a click 2162 * event, see if that event was in the delete icon. If so, delete it. 2163 * Otherwise, unselect the chip. 2164 */ 2165 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2166 if (chip.isSelected()) { 2167 if (isInDelete(chip, offset, x, y)) { 2168 removeChip(chip); 2169 } else { 2170 clearSelectedChip(); 2171 } 2172 } 2173 } 2174 2175 private boolean chipsPending() { 2176 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2177 } 2178 2179 @Override 2180 public void removeTextChangedListener(TextWatcher watcher) { 2181 mTextWatcher = null; 2182 super.removeTextChangedListener(watcher); 2183 } 2184 2185 private class RecipientTextWatcher implements TextWatcher { 2186 2187 @Override 2188 public void afterTextChanged(Editable s) { 2189 // If the text has been set to null or empty, make sure we remove 2190 // all the spans we applied. 2191 if (TextUtils.isEmpty(s)) { 2192 // Remove all the chips spans. 2193 Spannable spannable = getSpannable(); 2194 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2195 DrawableRecipientChip.class); 2196 for (DrawableRecipientChip chip : chips) { 2197 spannable.removeSpan(chip); 2198 } 2199 if (mMoreChip != null) { 2200 spannable.removeSpan(mMoreChip); 2201 } 2202 return; 2203 } 2204 // Get whether there are any recipients pending addition to the 2205 // view. If there are, don't do anything in the text watcher. 2206 if (chipsPending()) { 2207 return; 2208 } 2209 // If the user is editing a chip, don't clear it. 2210 if (mSelectedChip != null) { 2211 if (!isGeneratedContact(mSelectedChip)) { 2212 setCursorVisible(true); 2213 setSelection(getText().length()); 2214 clearSelectedChip(); 2215 } else { 2216 return; 2217 } 2218 } 2219 int length = s.length(); 2220 // Make sure there is content there to parse and that it is 2221 // not just the commit character. 2222 if (length > 1) { 2223 if (lastCharacterIsCommitCharacter(s)) { 2224 commitByCharacter(); 2225 return; 2226 } 2227 char last; 2228 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2229 int len = length() - 1; 2230 if (end != len) { 2231 last = s.charAt(end); 2232 } else { 2233 last = s.charAt(len); 2234 } 2235 if (last == COMMIT_CHAR_SPACE) { 2236 if (!isPhoneQuery()) { 2237 // Check if this is a valid email address. If it is, 2238 // commit it. 2239 String text = getText().toString(); 2240 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2241 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2242 tokenStart)); 2243 if (!TextUtils.isEmpty(sub) && mValidator != null && 2244 mValidator.isValid(sub)) { 2245 commitByCharacter(); 2246 } 2247 } 2248 } 2249 } 2250 } 2251 2252 @Override 2253 public void onTextChanged(CharSequence s, int start, int before, int count) { 2254 // The user deleted some text OR some text was replaced; check to 2255 // see if the insertion point is on a space 2256 // following a chip. 2257 if (before - count == 1) { 2258 // If the item deleted is a space, and the thing before the 2259 // space is a chip, delete the entire span. 2260 int selStart = getSelectionStart(); 2261 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2262 DrawableRecipientChip.class); 2263 if (repl.length > 0) { 2264 // There is a chip there! Just remove it. 2265 Editable editable = getText(); 2266 // Add the separator token. 2267 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2268 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2269 tokenEnd = tokenEnd + 1; 2270 if (tokenEnd > editable.length()) { 2271 tokenEnd = editable.length(); 2272 } 2273 editable.delete(tokenStart, tokenEnd); 2274 getSpannable().removeSpan(repl[0]); 2275 } 2276 } else if (count > before) { 2277 if (mSelectedChip != null 2278 && isGeneratedContact(mSelectedChip)) { 2279 if (lastCharacterIsCommitCharacter(s)) { 2280 commitByCharacter(); 2281 return; 2282 } 2283 } 2284 } 2285 } 2286 2287 @Override 2288 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2289 // Do nothing. 2290 } 2291 } 2292 2293 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2294 char last; 2295 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2296 int len = length() - 1; 2297 if (end != len) { 2298 last = s.charAt(end); 2299 } else { 2300 last = s.charAt(len); 2301 } 2302 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2303 } 2304 2305 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2306 long contactId = chip.getContactId(); 2307 return contactId == RecipientEntry.INVALID_CONTACT 2308 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2309 } 2310 2311 /** 2312 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2313 */ 2314 private void handlePasteClip(ClipData clip) { 2315 removeTextChangedListener(mTextWatcher); 2316 2317 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2318 for (int i = 0; i < clip.getItemCount(); i++) { 2319 CharSequence paste = clip.getItemAt(i).getText(); 2320 if (paste != null) { 2321 int start = getSelectionStart(); 2322 int end = getSelectionEnd(); 2323 Editable editable = getText(); 2324 if (start >= 0 && end >= 0 && start != end) { 2325 editable.append(paste, start, end); 2326 } else { 2327 editable.insert(end, paste); 2328 } 2329 handlePasteAndReplace(); 2330 } 2331 } 2332 } 2333 2334 mHandler.post(mAddTextWatcher); 2335 } 2336 2337 @Override 2338 public boolean onTextContextMenuItem(int id) { 2339 if (id == android.R.id.paste) { 2340 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2341 Context.CLIPBOARD_SERVICE); 2342 handlePasteClip(clipboard.getPrimaryClip()); 2343 return true; 2344 } 2345 return super.onTextContextMenuItem(id); 2346 } 2347 2348 private void handlePasteAndReplace() { 2349 ArrayList<DrawableRecipientChip> created = handlePaste(); 2350 if (created != null && created.size() > 0) { 2351 // Perform reverse lookups on the pasted contacts. 2352 IndividualReplacementTask replace = new IndividualReplacementTask(); 2353 replace.execute(created); 2354 } 2355 } 2356 2357 // Visible for testing. 2358 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2359 String text = getText().toString(); 2360 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2361 String lastAddress = text.substring(originalTokenStart); 2362 int tokenStart = originalTokenStart; 2363 int prevTokenStart = 0; 2364 DrawableRecipientChip findChip = null; 2365 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2366 if (tokenStart != 0) { 2367 // There are things before this! 2368 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2369 prevTokenStart = tokenStart; 2370 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2371 findChip = findChip(tokenStart); 2372 if (tokenStart == originalTokenStart && findChip == null) { 2373 break; 2374 } 2375 } 2376 if (tokenStart != originalTokenStart) { 2377 if (findChip != null) { 2378 tokenStart = prevTokenStart; 2379 } 2380 int tokenEnd; 2381 DrawableRecipientChip createdChip; 2382 while (tokenStart < originalTokenStart) { 2383 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2384 tokenStart)); 2385 commitChip(tokenStart, tokenEnd, getText()); 2386 createdChip = findChip(tokenStart); 2387 if (createdChip == null) { 2388 break; 2389 } 2390 // +1 for the space at the end. 2391 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2392 created.add(createdChip); 2393 } 2394 } 2395 } 2396 // Take a look at the last token. If the token has been completed with a 2397 // commit character, create a chip. 2398 if (isCompletedToken(lastAddress)) { 2399 Editable editable = getText(); 2400 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2401 commitChip(tokenStart, editable.length(), editable); 2402 created.add(findChip(tokenStart)); 2403 } 2404 return created; 2405 } 2406 2407 // Visible for testing. 2408 /* package */int movePastTerminators(int tokenEnd) { 2409 if (tokenEnd >= length()) { 2410 return tokenEnd; 2411 } 2412 char atEnd = getText().toString().charAt(tokenEnd); 2413 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2414 tokenEnd++; 2415 } 2416 // This token had not only an end token character, but also a space 2417 // separating it from the next token. 2418 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2419 tokenEnd++; 2420 } 2421 return tokenEnd; 2422 } 2423 2424 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2425 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2426 try { 2427 if (mNoChips) { 2428 return null; 2429 } 2430 return constructChipSpan(entry, false, 2431 false /*leave space for contact icon */); 2432 } catch (NullPointerException e) { 2433 Log.e(TAG, e.getMessage(), e); 2434 return null; 2435 } 2436 } 2437 2438 @Override 2439 protected void onPreExecute() { 2440 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2441 // replaced 2442 final List<DrawableRecipientChip> originalRecipients = 2443 new ArrayList<DrawableRecipientChip>(); 2444 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2445 for (int i = 0; i < existingChips.length; i++) { 2446 originalRecipients.add(existingChips[i]); 2447 } 2448 if (mRemovedSpans != null) { 2449 originalRecipients.addAll(mRemovedSpans); 2450 } 2451 2452 final List<DrawableRecipientChip> replacements = 2453 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2454 2455 for (final DrawableRecipientChip chip : originalRecipients) { 2456 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2457 && getSpannable().getSpanStart(chip) != -1) { 2458 replacements.add(createFreeChip(chip.getEntry())); 2459 } else { 2460 replacements.add(null); 2461 } 2462 } 2463 2464 processReplacements(originalRecipients, replacements); 2465 } 2466 2467 @Override 2468 protected Void doInBackground(Void... params) { 2469 if (mIndividualReplacements != null) { 2470 mIndividualReplacements.cancel(true); 2471 } 2472 // For each chip in the list, look up the matching contact. 2473 // If there is a match, replace that chip with the matching 2474 // chip. 2475 final ArrayList<DrawableRecipientChip> recipients = 2476 new ArrayList<DrawableRecipientChip>(); 2477 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2478 for (int i = 0; i < existingChips.length; i++) { 2479 recipients.add(existingChips[i]); 2480 } 2481 if (mRemovedSpans != null) { 2482 recipients.addAll(mRemovedSpans); 2483 } 2484 ArrayList<String> addresses = new ArrayList<String>(); 2485 DrawableRecipientChip chip; 2486 for (int i = 0; i < recipients.size(); i++) { 2487 chip = recipients.get(i); 2488 if (chip != null) { 2489 addresses.add(createAddressText(chip.getEntry())); 2490 } 2491 } 2492 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2493 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2494 new RecipientMatchCallback() { 2495 2496 @Override 2497 public void matchesFound(Map<String, RecipientEntry> entries) { 2498 final ArrayList<DrawableRecipientChip> replacements = 2499 new ArrayList<DrawableRecipientChip>(); 2500 for (final DrawableRecipientChip temp : recipients) { 2501 RecipientEntry entry = null; 2502 if (temp != null && RecipientEntry.isCreatedRecipient( 2503 temp.getEntry().getContactId()) 2504 && getSpannable().getSpanStart(temp) != -1) { 2505 // Replace this. 2506 entry = createValidatedEntry( 2507 entries.get(tokenizeAddress(temp.getEntry() 2508 .getDestination()))); 2509 } 2510 if (entry != null) { 2511 replacements.add(createFreeChip(entry)); 2512 } else { 2513 replacements.add(null); 2514 } 2515 } 2516 processReplacements(recipients, replacements); 2517 } 2518 2519 @Override 2520 public void matchesNotFound(final Set<String> unfoundAddresses) { 2521 final List<DrawableRecipientChip> replacements = 2522 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2523 2524 for (final DrawableRecipientChip temp : recipients) { 2525 if (temp != null && RecipientEntry.isCreatedRecipient( 2526 temp.getEntry().getContactId()) 2527 && getSpannable().getSpanStart(temp) != -1) { 2528 if (unfoundAddresses.contains( 2529 temp.getEntry().getDestination())) { 2530 replacements.add(createFreeChip(temp.getEntry())); 2531 } else { 2532 replacements.add(null); 2533 } 2534 } else { 2535 replacements.add(null); 2536 } 2537 } 2538 2539 processReplacements(recipients, replacements); 2540 } 2541 }); 2542 return null; 2543 } 2544 2545 private void processReplacements(final List<DrawableRecipientChip> recipients, 2546 final List<DrawableRecipientChip> replacements) { 2547 if (replacements != null && replacements.size() > 0) { 2548 final Runnable runnable = new Runnable() { 2549 @Override 2550 public void run() { 2551 Editable oldText = getText(); 2552 int start, end; 2553 int i = 0; 2554 for (DrawableRecipientChip chip : recipients) { 2555 DrawableRecipientChip replacement = replacements.get(i); 2556 if (replacement != null) { 2557 final RecipientEntry oldEntry = chip.getEntry(); 2558 final RecipientEntry newEntry = replacement.getEntry(); 2559 final boolean isBetter = 2560 RecipientAlternatesAdapter.getBetterRecipient( 2561 oldEntry, newEntry) == newEntry; 2562 2563 if (isBetter) { 2564 // Find the location of the chip in the text currently shown. 2565 start = oldText.getSpanStart(chip); 2566 if (start != -1) { 2567 // Replacing the entirety of what the chip represented, 2568 // including the extra space dividing it from other chips. 2569 end = oldText.getSpanEnd(chip) + 1; 2570 oldText.removeSpan(chip); 2571 // Make sure we always have just 1 space at the end to 2572 // separate this chip from the next chip. 2573 SpannableString displayText = 2574 new SpannableString(createAddressText( 2575 replacement.getEntry()).trim() 2576 + " "); 2577 displayText.setSpan(replacement, 0, 2578 displayText.length() - 1, 2579 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2580 // Replace the old text we found with with the new display 2581 // text, which now may also contain the display name of the 2582 // recipient. 2583 oldText.replace(start, end, displayText); 2584 replacement.setOriginalText(displayText.toString()); 2585 replacements.set(i, null); 2586 2587 recipients.set(i, replacement); 2588 } 2589 } 2590 } 2591 i++; 2592 } 2593 } 2594 }; 2595 2596 if (Looper.myLooper() == Looper.getMainLooper()) { 2597 runnable.run(); 2598 } else { 2599 mHandler.post(runnable); 2600 } 2601 } 2602 } 2603 } 2604 2605 private class IndividualReplacementTask 2606 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2607 @Override 2608 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2609 // For each chip in the list, look up the matching contact. 2610 // If there is a match, replace that chip with the matching 2611 // chip. 2612 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2613 ArrayList<String> addresses = new ArrayList<String>(); 2614 DrawableRecipientChip chip; 2615 for (int i = 0; i < originalRecipients.size(); i++) { 2616 chip = originalRecipients.get(i); 2617 if (chip != null) { 2618 addresses.add(createAddressText(chip.getEntry())); 2619 } 2620 } 2621 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2622 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2623 new RecipientMatchCallback() { 2624 2625 @Override 2626 public void matchesFound(Map<String, RecipientEntry> entries) { 2627 for (final DrawableRecipientChip temp : originalRecipients) { 2628 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2629 .getContactId()) 2630 && getSpannable().getSpanStart(temp) != -1) { 2631 // Replace this. 2632 RecipientEntry entry = createValidatedEntry(entries 2633 .get(tokenizeAddress(temp.getEntry().getDestination()) 2634 .toLowerCase())); 2635 // If we don't have a validated contact 2636 // match, just use the 2637 // entry as it existed before. 2638 if (entry == null && !isPhoneQuery()) { 2639 entry = temp.getEntry(); 2640 } 2641 final RecipientEntry tempEntry = entry; 2642 if (tempEntry != null) { 2643 mHandler.post(new Runnable() { 2644 @Override 2645 public void run() { 2646 replaceChip(temp, tempEntry); 2647 } 2648 }); 2649 } 2650 } 2651 } 2652 } 2653 2654 @Override 2655 public void matchesNotFound(final Set<String> unfoundAddresses) { 2656 // No action required 2657 } 2658 }); 2659 return null; 2660 } 2661 } 2662 2663 2664 /** 2665 * MoreImageSpan is a simple class created for tracking the existence of a 2666 * more chip across activity restarts/ 2667 */ 2668 private class MoreImageSpan extends ImageSpan { 2669 public MoreImageSpan(Drawable b) { 2670 super(b); 2671 } 2672 } 2673 2674 @Override 2675 public boolean onDown(MotionEvent e) { 2676 return false; 2677 } 2678 2679 @Override 2680 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2681 // Do nothing. 2682 return false; 2683 } 2684 2685 @Override 2686 public void onLongPress(MotionEvent event) { 2687 if (mSelectedChip != null) { 2688 return; 2689 } 2690 float x = event.getX(); 2691 float y = event.getY(); 2692 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2693 DrawableRecipientChip currentChip = findChip(offset); 2694 if (currentChip != null) { 2695 if (mDragEnabled) { 2696 // Start drag-and-drop for the selected chip. 2697 startDrag(currentChip); 2698 } else { 2699 // Copy the selected chip email address. 2700 showCopyDialog(currentChip.getEntry().getDestination()); 2701 } 2702 } 2703 } 2704 2705 /** 2706 * Enables drag-and-drop for chips. 2707 */ 2708 public void enableDrag() { 2709 mDragEnabled = true; 2710 } 2711 2712 /** 2713 * Starts drag-and-drop for the selected chip. 2714 */ 2715 private void startDrag(DrawableRecipientChip currentChip) { 2716 String address = currentChip.getEntry().getDestination(); 2717 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2718 2719 // Start drag mode. 2720 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2721 2722 // Remove the current chip, so drag-and-drop will result in a move. 2723 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2724 removeChip(currentChip); 2725 } 2726 2727 /** 2728 * Handles drag event. 2729 */ 2730 @Override 2731 public boolean onDragEvent(DragEvent event) { 2732 switch (event.getAction()) { 2733 case DragEvent.ACTION_DRAG_STARTED: 2734 // Only handle plain text drag and drop. 2735 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2736 case DragEvent.ACTION_DRAG_ENTERED: 2737 requestFocus(); 2738 return true; 2739 case DragEvent.ACTION_DROP: 2740 handlePasteClip(event.getClipData()); 2741 return true; 2742 } 2743 return false; 2744 } 2745 2746 /** 2747 * Drag shadow for a {@link RecipientChip}. 2748 */ 2749 private final class RecipientChipShadow extends DragShadowBuilder { 2750 private final DrawableRecipientChip mChip; 2751 2752 public RecipientChipShadow(DrawableRecipientChip chip) { 2753 mChip = chip; 2754 } 2755 2756 @Override 2757 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2758 Rect rect = mChip.getBounds(); 2759 shadowSize.set(rect.width(), rect.height()); 2760 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2761 } 2762 2763 @Override 2764 public void onDrawShadow(Canvas canvas) { 2765 mChip.draw(canvas); 2766 } 2767 } 2768 2769 private void showCopyDialog(final String address) { 2770 mCopyAddress = address; 2771 mCopyDialog.setTitle(address); 2772 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2773 mCopyDialog.setCancelable(true); 2774 mCopyDialog.setCanceledOnTouchOutside(true); 2775 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2776 button.setOnClickListener(this); 2777 int btnTitleId; 2778 if (isPhoneQuery()) { 2779 btnTitleId = R.string.copy_number; 2780 } else { 2781 btnTitleId = R.string.copy_email; 2782 } 2783 String buttonTitle = getContext().getResources().getString(btnTitleId); 2784 button.setText(buttonTitle); 2785 mCopyDialog.setOnDismissListener(this); 2786 mCopyDialog.show(); 2787 } 2788 2789 @Override 2790 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2791 // Do nothing. 2792 return false; 2793 } 2794 2795 @Override 2796 public void onShowPress(MotionEvent e) { 2797 // Do nothing. 2798 } 2799 2800 @Override 2801 public boolean onSingleTapUp(MotionEvent e) { 2802 // Do nothing. 2803 return false; 2804 } 2805 2806 @Override 2807 public void onDismiss(DialogInterface dialog) { 2808 mCopyAddress = null; 2809 } 2810 2811 @Override 2812 public void onClick(View v) { 2813 // Copy this to the clipboard. 2814 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2815 Context.CLIPBOARD_SERVICE); 2816 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2817 mCopyDialog.dismiss(); 2818 } 2819 2820 protected boolean isPhoneQuery() { 2821 return getAdapter() != null 2822 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2823 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2824 } 2825} 2826