RecipientEditTextView.java revision 20c9d620e79ae28994856541761a951074551518
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.graphics.Bitmap; 27import android.graphics.BitmapFactory; 28import android.graphics.Canvas; 29import android.graphics.Matrix; 30import android.graphics.Rect; 31import android.graphics.RectF; 32import android.graphics.drawable.BitmapDrawable; 33import android.graphics.drawable.Drawable; 34import android.os.AsyncTask; 35import android.os.Handler; 36import android.os.Message; 37import android.os.Parcelable; 38import android.text.Editable; 39import android.text.InputType; 40import android.text.Layout; 41import android.text.Spannable; 42import android.text.SpannableString; 43import android.text.SpannableStringBuilder; 44import android.text.Spanned; 45import android.text.TextPaint; 46import android.text.TextUtils; 47import android.text.TextWatcher; 48import android.text.method.QwertyKeyListener; 49import android.text.style.ImageSpan; 50import android.text.util.Rfc822Token; 51import android.text.util.Rfc822Tokenizer; 52import android.util.AttributeSet; 53import android.util.Log; 54import android.view.ActionMode; 55import android.view.ActionMode.Callback; 56import android.view.GestureDetector; 57import android.view.KeyEvent; 58import android.view.LayoutInflater; 59import android.view.Menu; 60import android.view.MenuItem; 61import android.view.MotionEvent; 62import android.view.View; 63import android.view.View.OnClickListener; 64import android.view.ViewParent; 65import android.widget.AdapterView; 66import android.widget.AdapterView.OnItemClickListener; 67import android.widget.Filterable; 68import android.widget.ListAdapter; 69import android.widget.ListPopupWindow; 70import android.widget.ListView; 71import android.widget.MultiAutoCompleteTextView; 72import android.widget.PopupWindow; 73import android.widget.ScrollView; 74import android.widget.TextView; 75 76import java.util.ArrayList; 77import java.util.Arrays; 78import java.util.Collection; 79import java.util.Collections; 80import java.util.Comparator; 81import java.util.HashMap; 82import java.util.HashSet; 83import java.util.Set; 84 85/** 86 * RecipientEditTextView is an auto complete text view for use with applications 87 * that use the new Chips UI for addressing a message to recipients. 88 */ 89public class RecipientEditTextView extends MultiAutoCompleteTextView implements 90 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 91 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 92 PopupWindow.OnDismissListener { 93 94 private static final String TAG = "RecipientEditTextView"; 95 96 // TODO: get correct number/ algorithm from with UX. 97 private static final int CHIP_LIMIT = 2; 98 99 private Drawable mChipBackground = null; 100 101 private Drawable mChipDelete = null; 102 103 private int mChipPadding; 104 105 private Tokenizer mTokenizer; 106 107 private Drawable mChipBackgroundPressed; 108 109 private RecipientChip mSelectedChip; 110 111 private int mAlternatesLayout; 112 113 private Bitmap mDefaultContactPhoto; 114 115 private ImageSpan mMoreChip; 116 117 private TextView mMoreItem; 118 119 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 120 121 private float mChipHeight; 122 123 private float mChipFontSize; 124 125 private Validator mValidator; 126 127 private Drawable mInvalidChipBackground; 128 129 private Handler mHandler; 130 131 private static int DISMISS = "dismiss".hashCode(); 132 133 private static final long DISMISS_DELAY = 300; 134 135 private int mPendingChipsCount = 0; 136 137 private static int sSelectedTextColor = -1; 138 139 private static final char COMMIT_CHAR_COMMA = ','; 140 141 private static final char COMMIT_CHAR_SEMICOLON = ';'; 142 143 private static final char COMMIT_CHAR_SPACE = ' '; 144 145 private ListPopupWindow mAlternatesPopup; 146 147 private ListPopupWindow mAddressPopup; 148 149 private ArrayList<RecipientChip> mTemporaryRecipients; 150 151 private ArrayList<RecipientChip> mRemovedSpans; 152 153 private boolean mShouldShrink = true; 154 155 // Chip copy fields. 156 private GestureDetector mGestureDetector; 157 158 private Dialog mCopyDialog; 159 160 private int mCopyViewRes; 161 162 private String mCopyAddress; 163 164 /** 165 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 166 * selected chip. 167 */ 168 private OnItemClickListener mAlternatesListener; 169 170 private int mCheckedItem; 171 private TextWatcher mTextWatcher; 172 173 private ScrollView mScrollView; 174 175 private boolean mTried; 176 177 private final Runnable mAddTextWatcher = new Runnable() { 178 @Override 179 public void run() { 180 if (mTextWatcher == null) { 181 mTextWatcher = new RecipientTextWatcher(); 182 addTextChangedListener(mTextWatcher); 183 } 184 } 185 }; 186 187 private IndividualReplacementTask mIndividualReplacements; 188 189 private Runnable mHandlePendingChips = new Runnable() { 190 191 @Override 192 public void run() { 193 handlePendingChips(); 194 } 195 196 }; 197 198 private Runnable mDelayedShrink = new Runnable() { 199 200 @Override 201 public void run() { 202 shrink(); 203 } 204 205 }; 206 207 public RecipientEditTextView(Context context, AttributeSet attrs) { 208 super(context, attrs); 209 if (sSelectedTextColor == -1) { 210 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 211 } 212 mAlternatesPopup = new ListPopupWindow(context); 213 mAlternatesPopup.setOnDismissListener(this); 214 mAddressPopup = new ListPopupWindow(context); 215 mAddressPopup.setOnDismissListener(this); 216 mCopyDialog = new Dialog(context); 217 mAlternatesListener = new OnItemClickListener() { 218 @Override 219 public void onItemClick(AdapterView<?> adapterView,View view, int position, 220 long rowId) { 221 mAlternatesPopup.setOnItemClickListener(null); 222 setEnabled(true); 223 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 224 .getRecipientEntry(position)); 225 Message delayed = Message.obtain(mHandler, DISMISS); 226 delayed.obj = mAlternatesPopup; 227 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 228 clearComposingText(); 229 } 230 }; 231 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 232 setOnItemClickListener(this); 233 setCustomSelectionActionModeCallback(this); 234 mHandler = new Handler() { 235 @Override 236 public void handleMessage(Message msg) { 237 if (msg.what == DISMISS) { 238 ((ListPopupWindow) msg.obj).dismiss(); 239 return; 240 } 241 super.handleMessage(msg); 242 } 243 }; 244 mTextWatcher = new RecipientTextWatcher(); 245 addTextChangedListener(mTextWatcher); 246 mGestureDetector = new GestureDetector(context, this); 247 } 248 249 @Override 250 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 251 super.setAdapter(adapter); 252 if (adapter == null) { 253 return; 254 } 255 } 256 257 @Override 258 public void onSelectionChanged(int start, int end) { 259 // When selection changes, see if it is inside the chips area. 260 // If so, move the cursor back after the chips again. 261 Spannable span = getSpannable(); 262 int textLength = getText().length(); 263 RecipientChip[] chips = span.getSpans(start, textLength, RecipientChip.class); 264 if (chips != null && chips.length > 0) { 265 if (chips != null && chips.length > 0) { 266 // Grab the last chip and set the cursor to after it. 267 setSelection(Math.min(span.getSpanEnd(chips[chips.length - 1]) + 1, textLength)); 268 } 269 } 270 super.onSelectionChanged(start, end); 271 } 272 273 @Override 274 public void onRestoreInstanceState(Parcelable state) { 275 if (!TextUtils.isEmpty(getText())) { 276 super.onRestoreInstanceState(null); 277 } else { 278 super.onRestoreInstanceState(state); 279 } 280 } 281 282 283 public Parcelable onSaveInstanceState() { 284 // If the user changes orientation while they are editing, just roll back the selection. 285 clearSelectedChip(); 286 return super.onSaveInstanceState(); 287 } 288 289 /** 290 * Convenience method: Append the specified text slice to the TextView's 291 * display buffer, upgrading it to BufferType.EDITABLE if it was 292 * not already editable. Commas are excluded as they are added automatically 293 * by the view. 294 */ 295 @Override 296 public void append(CharSequence text, int start, int end) { 297 // We don't care about watching text changes while appending. 298 if (mTextWatcher != null) { 299 removeTextChangedListener(mTextWatcher); 300 } 301 super.append(text, start, end); 302 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 303 final String displayString = (String) text; 304 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 305 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 306 && TextUtils.getTrimmedLength(displayString) > 0) { 307 mPendingChipsCount++; 308 mPendingChips.add((String)text); 309 } 310 } 311 // Put a message on the queue to make sure we ALWAYS handle pending chips. 312 if (mPendingChipsCount > 0) { 313 postHandlePendingChips(); 314 } 315 mHandler.post(mAddTextWatcher); 316 } 317 318 @Override 319 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 320 super.onFocusChanged(hasFocus, direction, previous); 321 if (!hasFocus) { 322 shrink(); 323 } else { 324 expand(); 325 scrollLineIntoView(getLineCount()); 326 } 327 } 328 329 @Override 330 public void performValidation() { 331 // Do nothing. Chips handles its own validation. 332 } 333 334 private void shrink() { 335 if (mSelectedChip != null 336 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 337 clearSelectedChip(); 338 } else { 339 if (getWidth() <= 0) { 340 // We don't have the width yet which means the view hasn't been drawn yet 341 // and there is no reason to attempt to commit chips yet. 342 // This focus lost must be the result of an orientation change 343 // or an initial rendering. 344 // Re-post the shrink for later. 345 mHandler.removeCallbacks(mDelayedShrink); 346 mHandler.post(mDelayedShrink); 347 return; 348 } 349 // Reset any pending chips as they would have been handled 350 // when the field lost focus. 351 if (mPendingChipsCount > 0) { 352 postHandlePendingChips(); 353 } else { 354 Editable editable = getText(); 355 int end = getSelectionEnd(); 356 int start = mTokenizer.findTokenStart(editable, end); 357 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 358 if ((chips == null || chips.length == 0)) { 359 Editable text = getText(); 360 int whatEnd = mTokenizer.findTokenEnd(text, start); 361 // This token was already tokenized, so skip past the ending token. 362 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 363 whatEnd++; 364 } 365 // In the middle of chip; treat this as an edit 366 // and commit the whole token. 367 int selEnd = getSelectionEnd(); 368 if (whatEnd != selEnd && whatEnd != editable.toString().trim().length()) { 369 handleEdit(start, whatEnd); 370 } else { 371 commitChip(start, end, editable); 372 } 373 } 374 } 375 mHandler.post(mAddTextWatcher); 376 } 377 createMoreChip(); 378 } 379 380 private void expand() { 381 removeMoreChip(); 382 setCursorVisible(true); 383 Editable text = getText(); 384 setSelection(text != null && text.length() > 0 ? text.length() : 0); 385 // If there are any temporary chips, try replacing them now that the user 386 // has expanded the field. 387 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 388 new RecipientReplacementTask().execute(); 389 mTemporaryRecipients = null; 390 } 391 } 392 393 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 394 paint.setTextSize(mChipFontSize); 395 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 396 Log.d(TAG, "Max width is negative: " + maxWidth); 397 } 398 return TextUtils.ellipsize(text, paint, maxWidth, 399 TextUtils.TruncateAt.END); 400 } 401 402 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 403 // Ellipsize the text so that it takes AT MOST the entire width of the 404 // autocomplete text entry area. Make sure to leave space for padding 405 // on the sides. 406 int height = (int) mChipHeight; 407 int deleteWidth = height; 408 CharSequence ellipsizedText = ellipsizeText(contact.getDisplayName(), paint, 409 calculateAvailableWidth(true) - deleteWidth); 410 411 // Make sure there is a minimum chip width so the user can ALWAYS 412 // tap a chip without difficulty. 413 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 414 ellipsizedText.length())) 415 + (mChipPadding * 2) + deleteWidth); 416 417 // Create the background of the chip. 418 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 419 Canvas canvas = new Canvas(tmpBitmap); 420 if (mChipBackgroundPressed != null) { 421 mChipBackgroundPressed.setBounds(0, 0, width, height); 422 mChipBackgroundPressed.draw(canvas); 423 paint.setColor(sSelectedTextColor); 424 // Vertically center the text in the chip. 425 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 426 getTextYOffset((String) ellipsizedText, paint, height), paint); 427 // Make the delete a square. 428 Rect backgroundPadding = new Rect(); 429 mChipBackgroundPressed.getPadding(backgroundPadding); 430 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 431 0 + backgroundPadding.top, 432 width - backgroundPadding.right, 433 height - backgroundPadding.bottom); 434 mChipDelete.draw(canvas); 435 } else { 436 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 437 } 438 return tmpBitmap; 439 } 440 441 /** 442 * Get the background drawable for a RecipientChip. 443 */ 444 public Drawable getChipBackground(RecipientEntry contact) { 445 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 446 mChipBackground : mInvalidChipBackground; 447 } 448 449 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 450 // Ellipsize the text so that it takes AT MOST the entire width of the 451 // autocomplete text entry area. Make sure to leave space for padding 452 // on the sides. 453 int height = (int) mChipHeight; 454 int iconWidth = height; 455 String displayText = 456 !TextUtils.isEmpty(contact.getDisplayName()) ? contact.getDisplayName() : 457 !TextUtils.isEmpty(contact.getDestination()) ? contact.getDestination() : ""; 458 CharSequence ellipsizedText = ellipsizeText(displayText, paint, 459 calculateAvailableWidth(false) - iconWidth); 460 // Make sure there is a minimum chip width so the user can ALWAYS 461 // tap a chip without difficulty. 462 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 463 ellipsizedText.length())) 464 + (mChipPadding * 2) + iconWidth); 465 466 // Create the background of the chip. 467 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 468 Canvas canvas = new Canvas(tmpBitmap); 469 Drawable background = getChipBackground(contact); 470 if (background != null) { 471 background.setBounds(0, 0, width, height); 472 background.draw(canvas); 473 474 // Don't draw photos for recipients that have been typed in. 475 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 476 byte[] photoBytes = contact.getPhotoBytes(); 477 // There may not be a photo yet if anything but the first contact address 478 // was selected. 479 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 480 // TODO: cache this in the recipient entry? 481 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 482 .getPhotoThumbnailUri()); 483 photoBytes = contact.getPhotoBytes(); 484 } 485 486 Bitmap photo; 487 if (photoBytes != null) { 488 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 489 } else { 490 // TODO: can the scaled down default photo be cached? 491 photo = mDefaultContactPhoto; 492 } 493 // Draw the photo on the left side. 494 if (photo != null) { 495 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 496 Rect backgroundPadding = new Rect(); 497 mChipBackground.getPadding(backgroundPadding); 498 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 499 0 + backgroundPadding.top, 500 width - backgroundPadding.right, 501 height - backgroundPadding.bottom); 502 Matrix matrix = new Matrix(); 503 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 504 canvas.drawBitmap(photo, matrix, paint); 505 } 506 } else { 507 // Don't leave any space for the icon. It isn't being drawn. 508 iconWidth = 0; 509 } 510 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 511 // Vertically center the text in the chip. 512 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 513 getTextYOffset((String)ellipsizedText, paint, height), paint); 514 } else { 515 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 516 } 517 return tmpBitmap; 518 } 519 520 private float getTextYOffset(String text, TextPaint paint, int height) { 521 Rect bounds = new Rect(); 522 paint.getTextBounds((String)text, 0, text.length(), bounds); 523 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 524 return height - ((height - textHeight) / 2); 525 } 526 527 public RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 528 throws NullPointerException { 529 if (mChipBackground == null) { 530 throw new NullPointerException( 531 "Unable to render any chips as setChipDimensions was not called."); 532 } 533 Layout layout = getLayout(); 534 535 TextPaint paint = getPaint(); 536 float defaultSize = paint.getTextSize(); 537 int defaultColor = paint.getColor(); 538 539 Bitmap tmpBitmap; 540 if (pressed) { 541 tmpBitmap = createSelectedChip(contact, paint, layout); 542 543 } else { 544 tmpBitmap = createUnselectedChip(contact, paint, layout); 545 } 546 547 // Pass the full text, un-ellipsized, to the chip. 548 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 549 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 550 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 551 // Return text to the original size. 552 paint.setTextSize(defaultSize); 553 paint.setColor(defaultColor); 554 return recipientChip; 555 } 556 557 /** 558 * Calculate the bottom of the line the chip will be located on using: 559 * 1) which line the chip appears on 560 * 2) the height of a chip 561 * 3) padding built into the edit text view 562 */ 563 private int calculateOffsetFromBottom(int line) { 564 // Line offsets start at zero. 565 int actualLine = getLineCount() - (line + 1); 566 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 567 + getDropDownVerticalOffset(); 568 } 569 570 /** 571 * Get the max amount of space a chip can take up. The formula takes into 572 * account the width of the EditTextView, any view padding, and padding 573 * that will be added to the chip. 574 */ 575 private float calculateAvailableWidth(boolean pressed) { 576 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 577 } 578 579 /** 580 * Set all chip dimensions and resources. This has to be done from the 581 * application as this is a static library. 582 * @param chipBackground 583 * @param chipBackgroundPressed 584 * @param invalidChip 585 * @param chipDelete 586 * @param defaultContact 587 * @param moreResource 588 * @param alternatesLayout 589 * @param chipHeight 590 * @param padding Padding around the text in a chip 591 * @param chipFontSize 592 * @param copyViewRes 593 */ 594 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 595 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 596 int alternatesLayout, float chipHeight, float padding, 597 float chipFontSize, int copyViewRes) { 598 mChipBackground = chipBackground; 599 mChipBackgroundPressed = chipBackgroundPressed; 600 mChipDelete = chipDelete; 601 mChipPadding = (int) padding; 602 mAlternatesLayout = alternatesLayout; 603 mDefaultContactPhoto = defaultContact; 604 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 605 mChipHeight = chipHeight; 606 mChipFontSize = chipFontSize; 607 mInvalidChipBackground = invalidChip; 608 mCopyViewRes = copyViewRes; 609 } 610 611 // Visible for testing. 612 /* package */ void setMoreItem(TextView moreItem) { 613 mMoreItem = moreItem; 614 } 615 616 617 // Visible for testing. 618 /* package */ void setChipBackground(Drawable chipBackground) { 619 mChipBackground = chipBackground; 620 } 621 622 // Visible for testing. 623 /* package */ void setChipHeight(int height) { 624 mChipHeight = height; 625 } 626 627 /** 628 * Set whether to shrink the recipients field such that at most 629 * one line of recipients chips are shown when the field loses 630 * focus. By default, the number of displayed recipients will be 631 * limited and a "more" chip will be shown when focus is lost. 632 * @param shrink 633 */ 634 public void setOnFocusListShrinkRecipients(boolean shrink) { 635 mShouldShrink = shrink; 636 } 637 638 @Override 639 public void onSizeChanged(int width, int height, int oldw, int oldh) { 640 super.onSizeChanged(width, height, oldw, oldh); 641 if (width != 0 && height != 0) { 642 if (mPendingChipsCount > 0) { 643 postHandlePendingChips(); 644 } else { 645 checkChipWidths(); 646 } 647 } 648 // Try to find the scroll view parent, if it exists. 649 if (mScrollView == null && !mTried) { 650 ViewParent parent = getParent(); 651 while (parent != null && !(parent instanceof ScrollView)) { 652 parent = parent.getParent(); 653 } 654 if (parent != null) { 655 mScrollView = (ScrollView) parent; 656 } 657 mTried = true; 658 } 659 } 660 661 private void postHandlePendingChips() { 662 mHandler.removeCallbacks(mHandlePendingChips); 663 mHandler.post(mHandlePendingChips); 664 } 665 666 private void checkChipWidths() { 667 // Check the widths of the associated chips. 668 RecipientChip[] chips = getSortedRecipients(); 669 if (chips != null) { 670 Rect bounds; 671 for (RecipientChip chip : chips) { 672 bounds = chip.getDrawable().getBounds(); 673 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 674 // Need to redraw that chip. 675 replaceChip(chip, chip.getEntry()); 676 } 677 } 678 } 679 } 680 681 private void handlePendingChips() { 682 if (getWidth() <= 0) { 683 // The widget has not been sized yet. 684 // This will be called as a result of onSizeChanged 685 // at a later point. 686 return; 687 } 688 689 if (mPendingChipsCount <= 0) { 690 return; 691 } 692 693 synchronized (mPendingChips) { 694 Editable editable = getText(); 695 // Tokenize! 696 for (int i = 0; i < mPendingChips.size(); i++) { 697 String current = mPendingChips.get(i); 698 int tokenStart = editable.toString().indexOf(current); 699 int tokenEnd = tokenStart + current.length(); 700 if (tokenStart >= 0) { 701 // When we have a valid token, include it with the token 702 // to the left. 703 if (tokenEnd < editable.length() - 2 704 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 705 tokenEnd++; 706 } 707 createReplacementChip(tokenStart, tokenEnd, editable); 708 } 709 mPendingChipsCount--; 710 } 711 sanitizeSpannable(); 712 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 713 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 714 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 715 new RecipientReplacementTask().execute(); 716 mTemporaryRecipients = null; 717 } else { 718 // Create the "more" chip 719 mIndividualReplacements = new IndividualReplacementTask(); 720 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 721 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 722 723 createMoreChip(); 724 } 725 } else { 726 // There are too many recipients to look up, so just fall back 727 // to showing addresses for all of them. 728 mTemporaryRecipients = null; 729 createMoreChip(); 730 } 731 mPendingChipsCount = 0; 732 mPendingChips.clear(); 733 } 734 } 735 736 /** 737 * Remove any characters after the last valid chip. 738 */ 739 private void sanitizeSpannable() { 740 // Find the last chip; eliminate any commit characters after it. 741 RecipientChip[] chips = getRecipients(); 742 if (chips != null && chips.length > 0) { 743 int end; 744 ImageSpan lastSpan; 745 mMoreChip = getMoreChip(); 746 if (mMoreChip != null) { 747 lastSpan = mMoreChip; 748 } else { 749 lastSpan = chips[chips.length - 1]; 750 } 751 end = getSpannable().getSpanEnd(lastSpan); 752 Editable editable = getText(); 753 int length = editable.length(); 754 if (length > end) { 755 // See what characters occur after that and eliminate them. 756 if (Log.isLoggable(TAG, Log.DEBUG)) { 757 Log.d(TAG, "There were extra characters after the last tokenizable entry." 758 + editable); 759 } 760 editable.delete(end + 1, length); 761 } 762 } 763 } 764 765 /** 766 * Create a chip that represents just the email address of a recipient. At some later 767 * point, this chip will be attached to a real contact entry, if one exists. 768 */ 769 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 770 if (alreadyHasChip(tokenStart, tokenEnd)) { 771 // There is already a chip present at this location. 772 // Don't recreate it. 773 return; 774 } 775 String token = editable.toString().substring(tokenStart, tokenEnd); 776 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 777 if (commitCharIndex == token.length() - 1) { 778 token = token.substring(0, token.length() - 1); 779 } 780 RecipientEntry entry = createTokenizedEntry(token); 781 if (entry != null) { 782 String destText = createDisplayText(entry); 783 // Always leave a blank space at the end of a chip. 784 int textLength = destText.length() - 1; 785 SpannableString chipText = new SpannableString(destText); 786 int end = getSelectionEnd(); 787 int start = mTokenizer.findTokenStart(getText(), end); 788 RecipientChip chip = null; 789 try { 790 chip = constructChipSpan(entry, start, false); 791 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 792 } catch (NullPointerException e) { 793 Log.e(TAG, e.getMessage(), e); 794 } 795 editable.replace(tokenStart, tokenEnd, chipText); 796 // Add this chip to the list of entries "to replace" 797 if (chip != null) { 798 if (mTemporaryRecipients == null) { 799 mTemporaryRecipients = new ArrayList<RecipientChip>(); 800 } 801 chip.setOriginalText(chipText.toString()); 802 mTemporaryRecipients.add(chip); 803 } 804 } 805 } 806 807 private RecipientEntry createTokenizedEntry(String token) { 808 if (TextUtils.isEmpty(token)) { 809 return null; 810 } 811 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 812 String display = null; 813 if (isValid(token) && tokens != null && tokens.length > 0) { 814 // If we can get a name from tokenizing, then generate an entry from 815 // this. 816 display = tokens[0].getName(); 817 if (!TextUtils.isEmpty(display)) { 818 return RecipientEntry.constructGeneratedEntry(display, token); 819 } else { 820 display = tokens[0].getAddress(); 821 if (!TextUtils.isEmpty(display)) { 822 return RecipientEntry.constructFakeEntry(display); 823 } 824 } 825 } 826 // Unable to validate the token or to create a valid token from it. 827 // Just create a chip the user can edit. 828 String validatedToken = null; 829 if (mValidator != null && !mValidator.isValid(token)) { 830 // Try fixing up the entry using the validator. 831 validatedToken = mValidator.fixText(token).toString(); 832 if (!TextUtils.isEmpty(validatedToken)) { 833 if (validatedToken.contains(token)) { 834 // protect against the case of a validator with a null domain, 835 // which doesn't add a domain to the token 836 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 837 if (tokenized.length > 0) { 838 validatedToken = tokenized[0].getAddress(); 839 } 840 } else { 841 // We ran into a case where the token was invalid and removed 842 // by the validator. In this case, just use the original token 843 // and let the user sort out the error chip. 844 validatedToken = null; 845 } 846 } 847 } 848 // Otherwise, fallback to just creating an editable email address chip. 849 return RecipientEntry 850 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 851 } 852 853 private boolean isValid(String text) { 854 return mValidator == null ? true : mValidator.isValid(text); 855 } 856 857 private String tokenizeAddress(String destination) { 858 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 859 if (tokens != null && tokens.length > 0) { 860 return tokens[0].getAddress(); 861 } 862 return destination; 863 } 864 865 @Override 866 public void setTokenizer(Tokenizer tokenizer) { 867 mTokenizer = tokenizer; 868 super.setTokenizer(mTokenizer); 869 } 870 871 @Override 872 public void setValidator(Validator validator) { 873 mValidator = validator; 874 super.setValidator(validator); 875 } 876 877 /** 878 * We cannot use the default mechanism for replaceText. Instead, 879 * we override onItemClickListener so we can get all the associated 880 * contact information including display text, address, and id. 881 */ 882 @Override 883 protected void replaceText(CharSequence text) { 884 return; 885 } 886 887 /** 888 * Dismiss any selected chips when the back key is pressed. 889 */ 890 @Override 891 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 892 if (keyCode == KeyEvent.KEYCODE_BACK) { 893 clearSelectedChip(); 894 } 895 return super.onKeyPreIme(keyCode, event); 896 } 897 898 /** 899 * Monitor key presses in this view to see if the user types 900 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 901 * If the user has entered text that has contact matches and types 902 * a commit key, create a chip from the topmost matching contact. 903 * If the user has entered text that has no contact matches and types 904 * a commit key, then create a chip from the text they have entered. 905 */ 906 @Override 907 public boolean onKeyUp(int keyCode, KeyEvent event) { 908 switch (keyCode) { 909 case KeyEvent.KEYCODE_ENTER: 910 case KeyEvent.KEYCODE_DPAD_CENTER: 911 if (event.hasNoModifiers()) { 912 if (commitDefault()) { 913 return true; 914 } 915 if (mSelectedChip != null) { 916 clearSelectedChip(); 917 return true; 918 } else if (focusNext()) { 919 return true; 920 } 921 } 922 break; 923 case KeyEvent.KEYCODE_TAB: 924 if (event.hasNoModifiers()) { 925 if (mSelectedChip != null) { 926 clearSelectedChip(); 927 } else { 928 commitDefault(); 929 } 930 if (focusNext()) { 931 return true; 932 } 933 } 934 } 935 return super.onKeyUp(keyCode, event); 936 } 937 938 private boolean focusNext() { 939 View next = focusSearch(View.FOCUS_DOWN); 940 if (next != null) { 941 next.requestFocus(); 942 return true; 943 } 944 return false; 945 } 946 947 /** 948 * Create a chip from the default selection. If the popup is showing, the 949 * default is the first item in the popup suggestions list. Otherwise, it is 950 * whatever the user had typed in. End represents where the the tokenizer 951 * should search for a token to turn into a chip. 952 * @return If a chip was created from a real contact. 953 */ 954 private boolean commitDefault() { 955 Editable editable = getText(); 956 int end = getSelectionEnd(); 957 int start = mTokenizer.findTokenStart(editable, end); 958 959 if (shouldCreateChip(start, end)) { 960 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 961 // In the middle of chip; treat this as an edit 962 // and commit the whole token. 963 if (whatEnd != getSelectionEnd()) { 964 handleEdit(start, whatEnd); 965 return true; 966 } 967 return commitChip(start, end , editable); 968 } 969 return false; 970 } 971 972 private void commitByCharacter() { 973 Editable editable = getText(); 974 int end = getSelectionEnd(); 975 int start = mTokenizer.findTokenStart(editable, end); 976 if (shouldCreateChip(start, end)) { 977 commitChip(start, end, editable); 978 } 979 setSelection(getText().length()); 980 } 981 982 private boolean commitChip(int start, int end, Editable editable) { 983 ListAdapter adapter = getAdapter(); 984 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 985 && end == getSelectionEnd()) { 986 // choose the first entry. 987 submitItemAtPosition(0); 988 dismissDropDown(); 989 return true; 990 } else { 991 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 992 if (editable.length() > tokenEnd + 1) { 993 char charAt = editable.charAt(tokenEnd + 1); 994 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 995 tokenEnd++; 996 } 997 } 998 String text = editable.toString().substring(start, tokenEnd).trim(); 999 clearComposingText(); 1000 if (text != null && text.length() > 0 && !text.equals(" ")) { 1001 RecipientEntry entry = createTokenizedEntry(text); 1002 if (entry != null) { 1003 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1004 CharSequence chipText = createChip(entry, false); 1005 if (chipText != null && start > -1 && end > -1) { 1006 editable.replace(start, end, chipText); 1007 } 1008 } 1009 // Only dismiss the dropdown if it is related to the text we 1010 // just committed. 1011 // For paste, it may not be as there are possibly multiple 1012 // tokens being added. 1013 if (end == getSelectionEnd()) { 1014 dismissDropDown(); 1015 } 1016 sanitizeBetween(); 1017 return true; 1018 } 1019 } 1020 return false; 1021 } 1022 1023 // Visible for testing. 1024 /* package */ void sanitizeBetween() { 1025 // Find the last chip. 1026 RecipientChip[] recips = getSortedRecipients(); 1027 if (recips != null && recips.length > 0) { 1028 RecipientChip last = recips[recips.length - 1]; 1029 RecipientChip beforeLast = null; 1030 if (recips.length > 1) { 1031 beforeLast = recips[recips.length - 2]; 1032 } 1033 int startLooking = 0; 1034 int end = getSpannable().getSpanStart(last); 1035 if (beforeLast != null) { 1036 startLooking = getSpannable().getSpanEnd(beforeLast); 1037 Editable text = getText(); 1038 if (startLooking == -1 || startLooking > text.length() - 1) { 1039 // There is nothing after this chip. 1040 return; 1041 } 1042 if (text.charAt(startLooking) == ' ') { 1043 startLooking++; 1044 } 1045 } 1046 if (startLooking >= 0 && end >= 0 && startLooking != end) { 1047 getText().delete(startLooking, end); 1048 } 1049 } 1050 } 1051 1052 private boolean shouldCreateChip(int start, int end) { 1053 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1054 } 1055 1056 private boolean alreadyHasChip(int start, int end) { 1057 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1058 if ((chips == null || chips.length == 0)) { 1059 return false; 1060 } 1061 return true; 1062 } 1063 1064 private void handleEdit(int start, int end) { 1065 if (start == -1 || end == -1) { 1066 // This chip no longer exists in the field. 1067 dismissDropDown(); 1068 return; 1069 } 1070 // This is in the middle of a chip, so select out the whole chip 1071 // and commit it. 1072 Editable editable = getText(); 1073 setSelection(end); 1074 String text = getText().toString().substring(start, end); 1075 if (!TextUtils.isEmpty(text)) { 1076 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1077 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1078 CharSequence chipText = createChip(entry, false); 1079 if (chipText != null) { 1080 editable.replace(start, getSelectionEnd(), chipText); 1081 } 1082 } 1083 dismissDropDown(); 1084 } 1085 1086 /** 1087 * If there is a selected chip, delegate the key events 1088 * to the selected chip. 1089 */ 1090 @Override 1091 public boolean onKeyDown(int keyCode, KeyEvent event) { 1092 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1093 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1094 mAlternatesPopup.dismiss(); 1095 } 1096 removeChip(mSelectedChip); 1097 } 1098 1099 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1100 return true; 1101 } 1102 1103 return super.onKeyDown(keyCode, event); 1104 } 1105 1106 // Visible for testing. 1107 /* package */ Spannable getSpannable() { 1108 return getText(); 1109 } 1110 1111 private int getChipStart(RecipientChip chip) { 1112 return getSpannable().getSpanStart(chip); 1113 } 1114 1115 private int getChipEnd(RecipientChip chip) { 1116 return getSpannable().getSpanEnd(chip); 1117 } 1118 1119 /** 1120 * Instead of filtering on the entire contents of the edit box, 1121 * this subclass method filters on the range from 1122 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1123 * if the length of that range meets or exceeds {@link #getThreshold} 1124 * and makes sure that the range is not already a Chip. 1125 */ 1126 @Override 1127 protected void performFiltering(CharSequence text, int keyCode) { 1128 if (enoughToFilter() && !isCompletedToken(text)) { 1129 int end = getSelectionEnd(); 1130 int start = mTokenizer.findTokenStart(text, end); 1131 // If this is a RecipientChip, don't filter 1132 // on its contents. 1133 Spannable span = getSpannable(); 1134 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1135 if (chips != null && chips.length > 0) { 1136 return; 1137 } 1138 } 1139 super.performFiltering(text, keyCode); 1140 } 1141 1142 // Visible for testing. 1143 /*package*/ boolean isCompletedToken(CharSequence text) { 1144 if (TextUtils.isEmpty(text)) { 1145 return false; 1146 } 1147 // Check to see if this is a completed token before filtering. 1148 int end = text.length(); 1149 int start = mTokenizer.findTokenStart(text, end); 1150 String token = text.toString().substring(start, end).trim(); 1151 if (!TextUtils.isEmpty(token)) { 1152 char atEnd = token.charAt(token.length() - 1); 1153 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1154 } 1155 return false; 1156 } 1157 1158 private void clearSelectedChip() { 1159 if (mSelectedChip != null) { 1160 unselectChip(mSelectedChip); 1161 mSelectedChip = null; 1162 } 1163 setCursorVisible(true); 1164 } 1165 1166 /** 1167 * Monitor touch events in the RecipientEditTextView. 1168 * If the view does not have focus, any tap on the view 1169 * will just focus the view. If the view has focus, determine 1170 * if the touch target is a recipient chip. If it is and the chip 1171 * is not selected, select it and clear any other selected chips. 1172 * If it isn't, then select that chip. 1173 */ 1174 @Override 1175 public boolean onTouchEvent(MotionEvent event) { 1176 if (!isFocused()) { 1177 // Ignore any chip taps until this view is focused. 1178 return super.onTouchEvent(event); 1179 } 1180 boolean handled = super.onTouchEvent(event); 1181 int action = event.getAction(); 1182 boolean chipWasSelected = false; 1183 if (mSelectedChip == null) { 1184 mGestureDetector.onTouchEvent(event); 1185 } 1186 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1187 float x = event.getX(); 1188 float y = event.getY(); 1189 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1190 RecipientChip currentChip = findChip(offset); 1191 if (currentChip != null) { 1192 if (action == MotionEvent.ACTION_UP) { 1193 if (mSelectedChip != null && mSelectedChip != currentChip) { 1194 clearSelectedChip(); 1195 mSelectedChip = selectChip(currentChip); 1196 } else if (mSelectedChip == null) { 1197 setSelection(getText().length()); 1198 commitDefault(); 1199 mSelectedChip = selectChip(currentChip); 1200 } else { 1201 onClick(mSelectedChip, offset, x, y); 1202 } 1203 } 1204 chipWasSelected = true; 1205 handled = true; 1206 } else if (mSelectedChip != null 1207 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1208 chipWasSelected = true; 1209 } 1210 } 1211 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1212 clearSelectedChip(); 1213 } 1214 return handled; 1215 } 1216 1217 private void scrollLineIntoView(int line) { 1218 if (mScrollView != null) { 1219 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1220 } 1221 } 1222 1223 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1224 int width, Context context) { 1225 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1226 int bottom = calculateOffsetFromBottom(line); 1227 // Align the alternates popup with the left side of the View, 1228 // regardless of the position of the chip tapped. 1229 alternatesPopup.setWidth(width); 1230 setEnabled(false); 1231 alternatesPopup.setAnchorView(this); 1232 alternatesPopup.setVerticalOffset(bottom); 1233 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1234 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1235 // Clear the checked item. 1236 mCheckedItem = -1; 1237 alternatesPopup.show(); 1238 ListView listView = alternatesPopup.getListView(); 1239 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1240 // Checked item would be -1 if the adapter has not 1241 // loaded the view that should be checked yet. The 1242 // variable will be set correctly when onCheckedItemChanged 1243 // is called in a separate thread. 1244 if (mCheckedItem != -1) { 1245 listView.setItemChecked(mCheckedItem, true); 1246 mCheckedItem = -1; 1247 } 1248 } 1249 1250 // Dismiss listener for alterns and single address popup. 1251 @Override 1252 public void onDismiss() { 1253 setEnabled(true); 1254 } 1255 1256 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1257 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1258 mAlternatesLayout, this); 1259 } 1260 1261 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1262 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1263 .getEntry()); 1264 } 1265 1266 @Override 1267 public void onCheckedItemChanged(int position) { 1268 ListView listView = mAlternatesPopup.getListView(); 1269 if (listView != null && listView.getCheckedItemCount() == 0) { 1270 listView.setItemChecked(position, true); 1271 } 1272 mCheckedItem = position; 1273 } 1274 1275 // TODO: This algorithm will need a lot of tweaking after more people have used 1276 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1277 // what comes before the finger. 1278 private int putOffsetInRange(int o) { 1279 int offset = o; 1280 Editable text = getText(); 1281 int length = text.length(); 1282 // Remove whitespace from end to find "real end" 1283 int realLength = length; 1284 for (int i = length - 1; i >= 0; i--) { 1285 if (text.charAt(i) == ' ') { 1286 realLength--; 1287 } else { 1288 break; 1289 } 1290 } 1291 1292 // If the offset is beyond or at the end of the text, 1293 // leave it alone. 1294 if (offset >= realLength) { 1295 return offset; 1296 } 1297 Editable editable = getText(); 1298 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1299 // Keep walking backward! 1300 offset--; 1301 } 1302 return offset; 1303 } 1304 1305 private int findText(Editable text, int offset) { 1306 if (text.charAt(offset) != ' ') { 1307 return offset; 1308 } 1309 return -1; 1310 } 1311 1312 private RecipientChip findChip(int offset) { 1313 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1314 // Find the chip that contains this offset. 1315 for (int i = 0; i < chips.length; i++) { 1316 RecipientChip chip = chips[i]; 1317 int start = getChipStart(chip); 1318 int end = getChipEnd(chip); 1319 if (offset >= start && offset <= end) { 1320 return chip; 1321 } 1322 } 1323 return null; 1324 } 1325 1326 // Visible for testing. 1327 /* package */ String createDisplayText(RecipientEntry entry) { 1328 String display = entry.getDisplayName(); 1329 String address = entry.getDestination(); 1330 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1331 display = null; 1332 } 1333 if (address != null) { 1334 // Tokenize out the address in case the address already 1335 // contained the username as well. 1336 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1337 if (tokenized != null && tokenized.length > 0) { 1338 address = tokenized[0].getAddress(); 1339 } 1340 } 1341 Rfc822Token token = new Rfc822Token(display, address, null); 1342 String displayText = token.toString(); 1343 String trimmedDisplayText = displayText.trim(); 1344 int index = trimmedDisplayText.indexOf(","); 1345 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1346 .terminateToken(displayText) : displayText; 1347 } 1348 1349 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1350 String displayText = createDisplayText(entry); 1351 if (TextUtils.isEmpty(displayText)) { 1352 return null; 1353 } 1354 // Always leave a blank space at the end of a chip. 1355 int textLength = displayText.length()-1; 1356 SpannableString chipText = new SpannableString(displayText); 1357 int end = getSelectionEnd(); 1358 int start = mTokenizer.findTokenStart(getText(), end); 1359 try { 1360 RecipientChip chip = constructChipSpan(entry, start, pressed); 1361 chipText.setSpan(chip, 0, textLength, 1362 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1363 chip.setOriginalText(chipText.toString()); 1364 } catch (NullPointerException e) { 1365 Log.e(TAG, e.getMessage(), e); 1366 return null; 1367 } 1368 1369 return chipText; 1370 } 1371 1372 /** 1373 * When an item in the suggestions list has been clicked, create a chip from the 1374 * contact information of the selected item. 1375 */ 1376 @Override 1377 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1378 submitItemAtPosition(position); 1379 } 1380 1381 private void submitItemAtPosition(int position) { 1382 RecipientEntry entry = createValidatedEntry( 1383 (RecipientEntry)getAdapter().getItem(position)); 1384 if (entry == null) { 1385 return; 1386 } 1387 clearComposingText(); 1388 1389 int end = getSelectionEnd(); 1390 int start = mTokenizer.findTokenStart(getText(), end); 1391 1392 Editable editable = getText(); 1393 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1394 CharSequence chip = createChip(entry, false); 1395 if (chip != null) { 1396 editable.replace(start, end, chip); 1397 } 1398 sanitizeBetween(); 1399 } 1400 1401 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1402 if (item == null) { 1403 return null; 1404 } 1405 final RecipientEntry entry; 1406 // If the display name and the address are the same, or if this is a 1407 // valid contact, but the destination is invalid, then make this a fake 1408 // recipient that is editable. 1409 String destination = item.getDestination(); 1410 if (TextUtils.isEmpty(item.getDisplayName()) 1411 || TextUtils.equals(item.getDisplayName(), destination) 1412 || (mValidator != null && !mValidator.isValid(destination))) { 1413 entry = RecipientEntry.constructFakeEntry(destination); 1414 } else { 1415 entry = item; 1416 } 1417 return entry; 1418 } 1419 1420 /** Returns a collection of contact Id for each chip inside this View. */ 1421 /* package */ Collection<Long> getContactIds() { 1422 final Set<Long> result = new HashSet<Long>(); 1423 RecipientChip[] chips = getRecipients(); 1424 if (chips != null) { 1425 for (RecipientChip chip : chips) { 1426 result.add(chip.getContactId()); 1427 } 1428 } 1429 return result; 1430 } 1431 1432 private RecipientChip[] getRecipients() { 1433 return getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1434 } 1435 1436 // Visible for testing. 1437 /* package */ RecipientChip[] getSortedRecipients() { 1438 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1439 .asList(getRecipients())); 1440 final Spannable spannable = getSpannable(); 1441 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1442 1443 @Override 1444 public int compare(RecipientChip first, RecipientChip second) { 1445 int firstStart = spannable.getSpanStart(first); 1446 int secondStart = spannable.getSpanStart(second); 1447 if (firstStart < secondStart) { 1448 return -1; 1449 } else if (firstStart > secondStart) { 1450 return 1; 1451 } else { 1452 return 0; 1453 } 1454 } 1455 }); 1456 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1457 } 1458 1459 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1460 /* package */ Collection<Long> getDataIds() { 1461 final Set<Long> result = new HashSet<Long>(); 1462 RecipientChip [] chips = getRecipients(); 1463 if (chips != null) { 1464 for (RecipientChip chip : chips) { 1465 result.add(chip.getDataId()); 1466 } 1467 } 1468 return result; 1469 } 1470 1471 1472 @Override 1473 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1474 return false; 1475 } 1476 1477 @Override 1478 public void onDestroyActionMode(ActionMode mode) { 1479 } 1480 1481 @Override 1482 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1483 return false; 1484 } 1485 1486 /** 1487 * No chips are selectable. 1488 */ 1489 @Override 1490 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1491 return false; 1492 } 1493 1494 // Visible for testing. 1495 /* package */ImageSpan getMoreChip() { 1496 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1497 MoreImageSpan.class); 1498 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1499 } 1500 1501 /** 1502 * Create the more chip. The more chip is text that replaces any chips that 1503 * do not fit in the pre-defined available space when the 1504 * RecipientEditTextView loses focus. 1505 */ 1506 // Visible for testing. 1507 /* package */ void createMoreChip() { 1508 if (!mShouldShrink) { 1509 return; 1510 } 1511 1512 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1513 if (tempMore.length > 0) { 1514 getSpannable().removeSpan(tempMore[0]); 1515 } 1516 RecipientChip[] recipients = getSortedRecipients(); 1517 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1518 mMoreChip = null; 1519 return; 1520 } 1521 Spannable spannable = getSpannable(); 1522 int numRecipients = recipients.length; 1523 int overage = numRecipients - CHIP_LIMIT; 1524 String moreText = String.format(mMoreItem.getText().toString(), overage); 1525 TextPaint morePaint = new TextPaint(getPaint()); 1526 morePaint.setTextSize(mMoreItem.getTextSize()); 1527 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1528 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1529 + mMoreItem.getPaddingRight(); 1530 int height = getLineHeight(); 1531 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1532 Canvas canvas = new Canvas(drawable); 1533 int adjustedHeight = height; 1534 Layout layout = getLayout(); 1535 if (layout != null) { 1536 adjustedHeight -= layout.getLineDescent(0); 1537 } 1538 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1539 1540 Drawable result = new BitmapDrawable(getResources(), drawable); 1541 result.setBounds(0, 0, width, height); 1542 MoreImageSpan moreSpan = new MoreImageSpan(result); 1543 // Remove the overage chips. 1544 if (recipients == null || recipients.length == 0) { 1545 Log.w(TAG, 1546 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1547 mMoreChip = null; 1548 return; 1549 } 1550 mRemovedSpans = new ArrayList<RecipientChip>(); 1551 int totalReplaceStart = 0; 1552 int totalReplaceEnd = 0; 1553 Editable text = getText(); 1554 for (int i = numRecipients - overage; i < recipients.length; i++) { 1555 mRemovedSpans.add(recipients[i]); 1556 if (i == numRecipients - overage) { 1557 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1558 } 1559 if (i == recipients.length - 1) { 1560 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1561 } 1562 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1563 int spanStart = spannable.getSpanStart(recipients[i]); 1564 int spanEnd = spannable.getSpanEnd(recipients[i]); 1565 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1566 } 1567 spannable.removeSpan(recipients[i]); 1568 } 1569 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1570 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1571 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1572 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1573 text.replace(start, end, chipText); 1574 mMoreChip = moreSpan; 1575 } 1576 1577 /** 1578 * Replace the more chip, if it exists, with all of the recipient chips it had 1579 * replaced when the RecipientEditTextView gains focus. 1580 */ 1581 // Visible for testing. 1582 /*package*/ void removeMoreChip() { 1583 if (mMoreChip != null) { 1584 Spannable span = getSpannable(); 1585 span.removeSpan(mMoreChip); 1586 mMoreChip = null; 1587 // Re-add the spans that were removed. 1588 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1589 // Recreate each removed span. 1590 RecipientChip[] recipients = getSortedRecipients(); 1591 // Start the search for tokens after the last currently visible 1592 // chip. 1593 if (recipients == null || recipients.length == 0) { 1594 return; 1595 } 1596 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1597 Editable editable = getText(); 1598 for (RecipientChip chip : mRemovedSpans) { 1599 int chipStart; 1600 int chipEnd; 1601 String token; 1602 // Need to find the location of the chip, again. 1603 token = (String) chip.getOriginalText(); 1604 // As we find the matching recipient for the remove spans, 1605 // reduce the size of the string we need to search. 1606 // That way, if there are duplicates, we always find the correct 1607 // recipient. 1608 chipStart = editable.toString().indexOf(token, end); 1609 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1610 // Only set the span if we found a matching token. 1611 if (chipStart != -1) { 1612 editable.setSpan(chip, chipStart, chipEnd, 1613 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1614 } 1615 } 1616 mRemovedSpans.clear(); 1617 } 1618 } 1619 } 1620 1621 /** 1622 * Show specified chip as selected. If the RecipientChip is just an email address, 1623 * selecting the chip will take the contents of the chip and place it at 1624 * the end of the RecipientEditTextView for inline editing. If the 1625 * RecipientChip is a complete contact, then selecting the chip 1626 * will change the background color of the chip, show the delete icon, 1627 * and a popup window with the address in use highlighted and any other 1628 * alternate addresses for the contact. 1629 * @param currentChip Chip to select. 1630 * @return A RecipientChip in the selected state or null if the chip 1631 * just contained an email address. 1632 */ 1633 public RecipientChip selectChip(RecipientChip currentChip) { 1634 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1635 CharSequence text = currentChip.getValue(); 1636 Editable editable = getText(); 1637 removeChip(currentChip); 1638 editable.append(text); 1639 setCursorVisible(true); 1640 setSelection(editable.length()); 1641 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1642 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1643 int start = getChipStart(currentChip); 1644 int end = getChipEnd(currentChip); 1645 getSpannable().removeSpan(currentChip); 1646 RecipientChip newChip; 1647 try { 1648 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1649 } catch (NullPointerException e) { 1650 Log.e(TAG, e.getMessage(), e); 1651 return null; 1652 } 1653 Editable editable = getText(); 1654 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1655 if (start == -1 || end == -1) { 1656 Log.d(TAG, "The chip being selected no longer exists but should."); 1657 } else { 1658 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1659 } 1660 newChip.setSelected(true); 1661 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1662 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1663 } 1664 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1665 setCursorVisible(false); 1666 return newChip; 1667 } else { 1668 int start = getChipStart(currentChip); 1669 int end = getChipEnd(currentChip); 1670 getSpannable().removeSpan(currentChip); 1671 RecipientChip newChip; 1672 try { 1673 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1674 } catch (NullPointerException e) { 1675 Log.e(TAG, e.getMessage(), e); 1676 return null; 1677 } 1678 Editable editable = getText(); 1679 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1680 if (start == -1 || end == -1) { 1681 Log.d(TAG, "The chip being selected no longer exists but should."); 1682 } else { 1683 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1684 } 1685 newChip.setSelected(true); 1686 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1687 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1688 } 1689 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1690 setCursorVisible(false); 1691 return newChip; 1692 } 1693 } 1694 1695 1696 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1697 int width, Context context) { 1698 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1699 int bottom = calculateOffsetFromBottom(line); 1700 // Align the alternates popup with the left side of the View, 1701 // regardless of the position of the chip tapped. 1702 setEnabled(false); 1703 popup.setWidth(width); 1704 popup.setAnchorView(this); 1705 popup.setVerticalOffset(bottom); 1706 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1707 popup.setOnItemClickListener(new OnItemClickListener() { 1708 @Override 1709 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1710 unselectChip(currentChip); 1711 popup.dismiss(); 1712 } 1713 }); 1714 popup.show(); 1715 ListView listView = popup.getListView(); 1716 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1717 listView.setItemChecked(0, true); 1718 } 1719 1720 /** 1721 * Remove selection from this chip. Unselecting a RecipientChip will render 1722 * the chip without a delete icon and with an unfocused background. This 1723 * is called when the RecipientChip no longer has focus. 1724 */ 1725 public void unselectChip(RecipientChip chip) { 1726 int start = getChipStart(chip); 1727 int end = getChipEnd(chip); 1728 Editable editable = getText(); 1729 mSelectedChip = null; 1730 if (start == -1 || end == -1) { 1731 Log.w(TAG, 1732 "The chip doesn't exist or may be a chip a user was editing"); 1733 setSelection(editable.length()); 1734 commitDefault(); 1735 } else { 1736 getSpannable().removeSpan(chip); 1737 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1738 editable.removeSpan(chip); 1739 try { 1740 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1741 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1742 } catch (NullPointerException e) { 1743 Log.e(TAG, e.getMessage(), e); 1744 } 1745 } 1746 setCursorVisible(true); 1747 setSelection(editable.length()); 1748 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1749 mAlternatesPopup.dismiss(); 1750 } 1751 } 1752 1753 /** 1754 * Return whether this chip contains the position passed in. 1755 */ 1756 public boolean matchesChip(RecipientChip chip, int offset) { 1757 int start = getChipStart(chip); 1758 int end = getChipEnd(chip); 1759 1760 if (start == -1 || end == -1) { 1761 return false; 1762 } 1763 return (offset >= start && offset <= end); 1764 } 1765 1766 1767 /** 1768 * Return whether a touch event was inside the delete target of 1769 * a selected chip. It is in the delete target if: 1770 * 1) the x and y points of the event are within the 1771 * delete assset. 1772 * 2) the point tapped would have caused a cursor to appear 1773 * right after the selected chip. 1774 * @return boolean 1775 */ 1776 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1777 // Figure out the bounds of this chip and whether or not 1778 // the user clicked in the X portion. 1779 return chip.isSelected() && offset == getChipEnd(chip); 1780 } 1781 1782 /** 1783 * Remove the chip and any text associated with it from the RecipientEditTextView. 1784 */ 1785 // Visible for testing. 1786 /*pacakge*/ void removeChip(RecipientChip chip) { 1787 Spannable spannable = getSpannable(); 1788 int spanStart = spannable.getSpanStart(chip); 1789 int spanEnd = spannable.getSpanEnd(chip); 1790 Editable text = getText(); 1791 int toDelete = spanEnd; 1792 boolean wasSelected = chip == mSelectedChip; 1793 // Clear that there is a selected chip before updating any text. 1794 if (wasSelected) { 1795 mSelectedChip = null; 1796 } 1797 // Always remove trailing spaces when removing a chip. 1798 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1799 toDelete++; 1800 } 1801 spannable.removeSpan(chip); 1802 text.delete(spanStart, toDelete); 1803 if (wasSelected) { 1804 clearSelectedChip(); 1805 } 1806 } 1807 1808 /** 1809 * Replace this currently selected chip with a new chip 1810 * that uses the contact data provided. 1811 */ 1812 public void replaceChip(RecipientChip chip, RecipientEntry entry) { 1813 boolean wasSelected = chip == mSelectedChip; 1814 if (wasSelected) { 1815 mSelectedChip = null; 1816 } 1817 int start = getChipStart(chip); 1818 int end = getChipEnd(chip); 1819 getSpannable().removeSpan(chip); 1820 Editable editable = getText(); 1821 CharSequence chipText = createChip(entry, false); 1822 if (chipText != null) { 1823 if (start == -1 || end == -1) { 1824 Log.e(TAG, "The chip to replace does not exist but should."); 1825 editable.insert(0, chipText); 1826 } else { 1827 if (!TextUtils.isEmpty(chipText)) { 1828 // There may be a space to replace with this chip's new 1829 // associated 1830 // space. Check for it 1831 int toReplace = end; 1832 while (toReplace >= 0 && toReplace < editable.length() 1833 && editable.charAt(toReplace) == ' ') { 1834 toReplace++; 1835 } 1836 editable.replace(start, toReplace, chipText); 1837 } 1838 } 1839 } 1840 setCursorVisible(true); 1841 if (wasSelected) { 1842 clearSelectedChip(); 1843 } 1844 } 1845 1846 /** 1847 * Handle click events for a chip. When a selected chip receives a click 1848 * event, see if that event was in the delete icon. If so, delete it. 1849 * Otherwise, unselect the chip. 1850 */ 1851 public void onClick(RecipientChip chip, int offset, float x, float y) { 1852 if (chip.isSelected()) { 1853 if (isInDelete(chip, offset, x, y)) { 1854 removeChip(chip); 1855 } else { 1856 clearSelectedChip(); 1857 } 1858 } 1859 } 1860 1861 private boolean chipsPending() { 1862 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1863 } 1864 1865 @Override 1866 public void removeTextChangedListener(TextWatcher watcher) { 1867 mTextWatcher = null; 1868 super.removeTextChangedListener(watcher); 1869 } 1870 1871 private class RecipientTextWatcher implements TextWatcher { 1872 @Override 1873 public void afterTextChanged(Editable s) { 1874 // If the text has been set to null or empty, make sure we remove 1875 // all the spans we applied. 1876 if (TextUtils.isEmpty(s)) { 1877 // Remove all the chips spans. 1878 Spannable spannable = getSpannable(); 1879 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1880 RecipientChip.class); 1881 for (RecipientChip chip : chips) { 1882 spannable.removeSpan(chip); 1883 } 1884 if (mMoreChip != null) { 1885 spannable.removeSpan(mMoreChip); 1886 } 1887 return; 1888 } 1889 // Get whether there are any recipients pending addition to the 1890 // view. If there are, don't do anything in the text watcher. 1891 if (chipsPending()) { 1892 return; 1893 } 1894 // If the user is editing a chip, don't clear it. 1895 if (mSelectedChip != null 1896 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1897 setCursorVisible(true); 1898 setSelection(getText().length()); 1899 clearSelectedChip(); 1900 } 1901 int length = s.length(); 1902 // Make sure there is content there to parse and that it is 1903 // not just the commit character. 1904 if (length > 1) { 1905 char last; 1906 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1907 int len = length() - 1; 1908 if (end != len) { 1909 last = s.charAt(end); 1910 } else { 1911 last = s.charAt(len); 1912 } 1913 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1914 commitByCharacter(); 1915 } else if (last == COMMIT_CHAR_SPACE) { 1916 // Check if this is a valid email address. If it is, 1917 // commit it. 1918 String text = getText().toString(); 1919 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1920 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1921 tokenStart)); 1922 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1923 commitByCharacter(); 1924 } 1925 } 1926 } 1927 } 1928 1929 @Override 1930 public void onTextChanged(CharSequence s, int start, int before, int count) { 1931 // Do nothing. 1932 } 1933 1934 @Override 1935 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1936 // Do nothing. 1937 } 1938 } 1939 1940 @Override 1941 public boolean onTextContextMenuItem(int id) { 1942 if (id == android.R.id.paste) { 1943 removeTextChangedListener(mTextWatcher); 1944 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 1945 Context.CLIPBOARD_SERVICE); 1946 ClipData clip = clipboard.getPrimaryClip(); 1947 if (clip != null 1948 && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)) { 1949 for (int i = 0; i < clip.getItemCount(); i++) { 1950 CharSequence paste = clip.getItemAt(i).getText(); 1951 if (paste != null) { 1952 int start = getSelectionStart(); 1953 int end = getSelectionEnd(); 1954 Editable editable = getText(); 1955 if (start >= 0 && end >= 0 && start != end) { 1956 editable.append(paste, start, end); 1957 } else { 1958 editable.insert(end, paste); 1959 } 1960 handlePaste(); 1961 } 1962 } 1963 } 1964 mHandler.post(mAddTextWatcher); 1965 return true; 1966 } 1967 return super.onTextContextMenuItem(id); 1968 } 1969 1970 // Visible for testing. 1971 /* package */void handlePaste() { 1972 String text = getText().toString(); 1973 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1974 String lastAddress = text.substring(originalTokenStart); 1975 int tokenStart = originalTokenStart; 1976 int prevTokenStart = tokenStart; 1977 RecipientChip findChip = null; 1978 if (tokenStart != 0) { 1979 // There are things before this! 1980 while (tokenStart != 0 && findChip == null) { 1981 prevTokenStart = tokenStart; 1982 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 1983 findChip = findChip(tokenStart); 1984 } 1985 if (tokenStart != originalTokenStart) { 1986 if (findChip != null) { 1987 tokenStart = prevTokenStart; 1988 } 1989 int tokenEnd; 1990 RecipientChip createdChip; 1991 while (tokenStart < originalTokenStart) { 1992 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 1993 commitChip(tokenStart, tokenEnd, getText()); 1994 createdChip = findChip(tokenStart); 1995 // +1 for the space at the end. 1996 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 1997 } 1998 } 1999 } 2000 // Take a look at the last token. If the token has been completed with a 2001 // commit character, create a chip. 2002 if (isCompletedToken(lastAddress)) { 2003 Editable editable = getText(); 2004 commitChip(editable.toString().indexOf(lastAddress, originalTokenStart), editable 2005 .length(), editable); 2006 } 2007 } 2008 2009 // Visible for testing. 2010 /* package */int movePastTerminators(int tokenEnd) { 2011 if (tokenEnd >= length()) { 2012 return tokenEnd; 2013 } 2014 char atEnd = getText().toString().charAt(tokenEnd); 2015 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2016 tokenEnd++; 2017 } 2018 // This token had not only an end token character, but also a space 2019 // separating it from the next token. 2020 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2021 tokenEnd++; 2022 } 2023 return tokenEnd; 2024 } 2025 2026 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2027 private RecipientChip createFreeChip(RecipientEntry entry) { 2028 try { 2029 return constructChipSpan(entry, -1, false); 2030 } catch (NullPointerException e) { 2031 Log.e(TAG, e.getMessage(), e); 2032 return null; 2033 } 2034 } 2035 2036 @Override 2037 protected Void doInBackground(Void... params) { 2038 if (mIndividualReplacements != null) { 2039 mIndividualReplacements.cancel(true); 2040 } 2041 // For each chip in the list, look up the matching contact. 2042 // If there is a match, replace that chip with the matching 2043 // chip. 2044 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2045 RecipientChip[] existingChips = getSortedRecipients(); 2046 for (int i = 0; i < existingChips.length; i++) { 2047 originalRecipients.add(existingChips[i]); 2048 } 2049 if (mRemovedSpans != null) { 2050 originalRecipients.addAll(mRemovedSpans); 2051 } 2052 String[] addresses = new String[originalRecipients.size()]; 2053 for (int i = 0; i < originalRecipients.size(); i++) { 2054 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 2055 } 2056 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2057 .getMatchingRecipients(getContext(), addresses); 2058 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2059 for (final RecipientChip temp : originalRecipients) { 2060 RecipientEntry entry = null; 2061 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2062 && getSpannable().getSpanStart(temp) != -1) { 2063 // Replace this. 2064 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2065 .getDestination()))); 2066 } 2067 if (entry != null) { 2068 replacements.add(createFreeChip(entry)); 2069 } else { 2070 replacements.add(temp); 2071 } 2072 } 2073 if (replacements != null && replacements.size() > 0) { 2074 mHandler.post(new Runnable() { 2075 @Override 2076 public void run() { 2077 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2078 .toString()); 2079 Editable oldText = getText(); 2080 int start, end; 2081 int i = 0; 2082 for (RecipientChip chip : originalRecipients) { 2083 start = oldText.getSpanStart(chip); 2084 if (start != -1) { 2085 end = oldText.getSpanEnd(chip); 2086 oldText.removeSpan(chip); 2087 // Leave a spot for the space! 2088 RecipientChip replacement = replacements.get(i); 2089 text.setSpan(replacement, start, end, 2090 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2091 replacement.setOriginalText(text.toString().substring(start, end)); 2092 } 2093 i++; 2094 } 2095 originalRecipients.clear(); 2096 setText(text); 2097 } 2098 }); 2099 } 2100 return null; 2101 } 2102 } 2103 2104 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2105 @SuppressWarnings("unchecked") 2106 @Override 2107 protected Void doInBackground(Object... params) { 2108 // For each chip in the list, look up the matching contact. 2109 // If there is a match, replace that chip with the matching 2110 // chip. 2111 final ArrayList<RecipientChip> originalRecipients = 2112 (ArrayList<RecipientChip>) params[0]; 2113 String[] addresses = new String[originalRecipients.size()]; 2114 for (int i = 0; i < originalRecipients.size(); i++) { 2115 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 2116 } 2117 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2118 .getMatchingRecipients(getContext(), addresses); 2119 for (final RecipientChip temp : originalRecipients) { 2120 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2121 && getSpannable().getSpanStart(temp) != -1) { 2122 // Replace this. 2123 final RecipientEntry entry = createValidatedEntry(entries 2124 .get(tokenizeAddress(temp.getEntry().getDestination()))); 2125 if (entry != null) { 2126 mHandler.post(new Runnable() { 2127 @Override 2128 public void run() { 2129 replaceChip(temp, entry); 2130 } 2131 }); 2132 } 2133 } 2134 } 2135 return null; 2136 } 2137 } 2138 2139 2140 /** 2141 * MoreImageSpan is a simple class created for tracking the existence of a 2142 * more chip across activity restarts/ 2143 */ 2144 private class MoreImageSpan extends ImageSpan { 2145 public MoreImageSpan(Drawable b) { 2146 super(b); 2147 } 2148 } 2149 2150 @Override 2151 public boolean onDown(MotionEvent e) { 2152 return false; 2153 } 2154 2155 @Override 2156 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2157 // Do nothing. 2158 return false; 2159 } 2160 2161 @Override 2162 public void onLongPress(MotionEvent event) { 2163 if (mSelectedChip != null) { 2164 return; 2165 } 2166 float x = event.getX(); 2167 float y = event.getY(); 2168 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2169 RecipientChip currentChip = findChip(offset); 2170 if (currentChip != null) { 2171 // Copy the selected chip email address. 2172 showCopyDialog(currentChip.getEntry().getDestination()); 2173 } 2174 } 2175 2176 private void showCopyDialog(final String address) { 2177 mCopyAddress = address; 2178 mCopyDialog.setTitle(address); 2179 mCopyDialog.setContentView(mCopyViewRes); 2180 mCopyDialog.setCancelable(true); 2181 mCopyDialog.setCanceledOnTouchOutside(true); 2182 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 2183 mCopyDialog.setOnDismissListener(this); 2184 mCopyDialog.show(); 2185 } 2186 2187 @Override 2188 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2189 // Do nothing. 2190 return false; 2191 } 2192 2193 @Override 2194 public void onShowPress(MotionEvent e) { 2195 // Do nothing. 2196 } 2197 2198 @Override 2199 public boolean onSingleTapUp(MotionEvent e) { 2200 // Do nothing. 2201 return false; 2202 } 2203 2204 @Override 2205 public void onDismiss(DialogInterface dialog) { 2206 mCopyAddress = null; 2207 } 2208 2209 @Override 2210 public void onClick(View v) { 2211 // Copy this to the clipboard. 2212 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2213 Context.CLIPBOARD_SERVICE); 2214 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2215 mCopyDialog.dismiss(); 2216 } 2217} 2218