RecipientEditTextView.java revision a1ecf3cc31e72b56d51690ae6524e8a26e9dd358
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.ClipboardManager; 22import android.content.Context; 23import android.content.DialogInterface; 24import android.content.DialogInterface.OnDismissListener; 25import android.graphics.Bitmap; 26import android.graphics.BitmapFactory; 27import android.graphics.Canvas; 28import android.graphics.Matrix; 29import android.graphics.Rect; 30import android.graphics.RectF; 31import android.graphics.drawable.BitmapDrawable; 32import android.graphics.drawable.Drawable; 33import android.os.AsyncTask; 34import android.os.Handler; 35import android.os.Message; 36import android.os.Parcelable; 37import android.text.Editable; 38import android.text.InputType; 39import android.text.Layout; 40import android.text.Spannable; 41import android.text.SpannableString; 42import android.text.SpannableStringBuilder; 43import android.text.Spanned; 44import android.text.TextPaint; 45import android.text.TextUtils; 46import android.text.TextWatcher; 47import android.text.method.QwertyKeyListener; 48import android.text.style.ImageSpan; 49import android.text.util.Rfc822Token; 50import android.text.util.Rfc822Tokenizer; 51import android.util.AttributeSet; 52import android.util.Log; 53import android.view.ActionMode; 54import android.view.ActionMode.Callback; 55import android.view.GestureDetector; 56import android.view.KeyEvent; 57import android.view.LayoutInflater; 58import android.view.Menu; 59import android.view.MenuItem; 60import android.view.MotionEvent; 61import android.view.View; 62import android.view.View.OnClickListener; 63import android.view.ViewParent; 64import android.widget.AdapterView; 65import android.widget.AdapterView.OnItemClickListener; 66import android.widget.Filterable; 67import android.widget.ListAdapter; 68import android.widget.ListPopupWindow; 69import android.widget.ListView; 70import android.widget.MultiAutoCompleteTextView; 71import android.widget.PopupWindow; 72import android.widget.ScrollView; 73import android.widget.TextView; 74 75import java.util.ArrayList; 76import java.util.Arrays; 77import java.util.Collection; 78import java.util.Collections; 79import java.util.Comparator; 80import java.util.HashMap; 81import java.util.HashSet; 82import java.util.Set; 83 84/** 85 * RecipientEditTextView is an auto complete text view for use with applications 86 * that use the new Chips UI for addressing a message to recipients. 87 */ 88public class RecipientEditTextView extends MultiAutoCompleteTextView implements 89 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 90 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 91 PopupWindow.OnDismissListener { 92 93 private static final String TAG = "RecipientEditTextView"; 94 95 // TODO: get correct number/ algorithm from with UX. 96 private static final int CHIP_LIMIT = 2; 97 98 private Drawable mChipBackground = null; 99 100 private Drawable mChipDelete = null; 101 102 private int mChipPadding; 103 104 private Tokenizer mTokenizer; 105 106 private Drawable mChipBackgroundPressed; 107 108 private RecipientChip mSelectedChip; 109 110 private int mAlternatesLayout; 111 112 private Bitmap mDefaultContactPhoto; 113 114 private ImageSpan mMoreChip; 115 116 private TextView mMoreItem; 117 118 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 119 120 private float mChipHeight; 121 122 private float mChipFontSize; 123 124 private Validator mValidator; 125 126 private Drawable mInvalidChipBackground; 127 128 private Handler mHandler; 129 130 private static int DISMISS = "dismiss".hashCode(); 131 132 private static final long DISMISS_DELAY = 300; 133 134 private int mPendingChipsCount = 0; 135 136 private static int sSelectedTextColor = -1; 137 138 private static final char COMMIT_CHAR_COMMA = ','; 139 140 private static final char COMMIT_CHAR_SEMICOLON = ';'; 141 142 private static final char COMMIT_CHAR_SPACE = ' '; 143 144 private ListPopupWindow mAlternatesPopup; 145 146 private ListPopupWindow mAddressPopup; 147 148 private ArrayList<RecipientChip> mTemporaryRecipients; 149 150 private ArrayList<RecipientChip> mRemovedSpans; 151 152 private boolean mShouldShrink = true; 153 154 // Chip copy fields. 155 private GestureDetector mGestureDetector; 156 157 private Dialog mCopyDialog; 158 159 private int mCopyViewRes; 160 161 private String mCopyAddress; 162 163 /** 164 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 165 * selected chip. 166 */ 167 private OnItemClickListener mAlternatesListener; 168 169 private int mCheckedItem; 170 private TextWatcher mTextWatcher; 171 172 private ScrollView mScrollView; 173 174 private boolean mTried; 175 176 private final Runnable mAddTextWatcher = new Runnable() { 177 @Override 178 public void run() { 179 if (mTextWatcher == null) { 180 mTextWatcher = new RecipientTextWatcher(); 181 addTextChangedListener(mTextWatcher); 182 } 183 } 184 }; 185 186 private IndividualReplacementTask mIndividualReplacements; 187 188 private Runnable mHandlePendingChips = new Runnable() { 189 190 @Override 191 public void run() { 192 handlePendingChips(); 193 } 194 195 }; 196 197 private Runnable mDelayedShrink = new Runnable() { 198 199 @Override 200 public void run() { 201 shrink(); 202 } 203 204 }; 205 206 public RecipientEditTextView(Context context, AttributeSet attrs) { 207 super(context, attrs); 208 if (sSelectedTextColor == -1) { 209 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 210 } 211 mAlternatesPopup = new ListPopupWindow(context); 212 mAlternatesPopup.setOnDismissListener(this); 213 mAddressPopup = new ListPopupWindow(context); 214 mAddressPopup.setOnDismissListener(this); 215 mCopyDialog = new Dialog(context); 216 mAlternatesListener = new OnItemClickListener() { 217 @Override 218 public void onItemClick(AdapterView<?> adapterView,View view, int position, 219 long rowId) { 220 mAlternatesPopup.setOnItemClickListener(null); 221 setEnabled(true); 222 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 223 .getRecipientEntry(position)); 224 Message delayed = Message.obtain(mHandler, DISMISS); 225 delayed.obj = mAlternatesPopup; 226 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 227 clearComposingText(); 228 } 229 }; 230 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 231 setOnItemClickListener(this); 232 setCustomSelectionActionModeCallback(this); 233 mHandler = new Handler() { 234 @Override 235 public void handleMessage(Message msg) { 236 if (msg.what == DISMISS) { 237 ((ListPopupWindow) msg.obj).dismiss(); 238 return; 239 } 240 super.handleMessage(msg); 241 } 242 }; 243 mTextWatcher = new RecipientTextWatcher(); 244 addTextChangedListener(mTextWatcher); 245 mGestureDetector = new GestureDetector(context, this); 246 } 247 248 @Override 249 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 250 super.setAdapter(adapter); 251 if (adapter == null) { 252 return; 253 } 254 } 255 256 @Override 257 public void onSelectionChanged(int start, int end) { 258 // When selection changes, see if it is inside the chips area. 259 // If so, move the cursor back after the chips again. 260 Spannable span = getSpannable(); 261 int textLength = getText().length(); 262 RecipientChip[] chips = span.getSpans(start, textLength, RecipientChip.class); 263 if (chips != null && chips.length > 0) { 264 if (chips != null && chips.length > 0) { 265 // Grab the last chip and set the cursor to after it. 266 setSelection(Math.min(span.getSpanEnd(chips[chips.length - 1]) + 1, textLength)); 267 } 268 } 269 super.onSelectionChanged(start, end); 270 } 271 272 @Override 273 public void onRestoreInstanceState(Parcelable state) { 274 if (!TextUtils.isEmpty(getText())) { 275 super.onRestoreInstanceState(null); 276 } else { 277 super.onRestoreInstanceState(state); 278 } 279 } 280 281 282 public Parcelable onSaveInstanceState() { 283 // If the user changes orientation while they are editing, just roll back the selection. 284 clearSelectedChip(); 285 return super.onSaveInstanceState(); 286 } 287 288 /** 289 * Convenience method: Append the specified text slice to the TextView's 290 * display buffer, upgrading it to BufferType.EDITABLE if it was 291 * not already editable. Commas are excluded as they are added automatically 292 * by the view. 293 */ 294 @Override 295 public void append(CharSequence text, int start, int end) { 296 // We don't care about watching text changes while appending. 297 if (mTextWatcher != null) { 298 removeTextChangedListener(mTextWatcher); 299 } 300 super.append(text, start, end); 301 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 302 final String displayString = (String) text; 303 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 304 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 305 && TextUtils.getTrimmedLength(displayString) > 0) { 306 mPendingChipsCount++; 307 mPendingChips.add((String)text); 308 } 309 } 310 // Put a message on the queue to make sure we ALWAYS handle pending chips. 311 if (mPendingChipsCount > 0) { 312 postHandlePendingChips(); 313 } 314 mHandler.post(mAddTextWatcher); 315 } 316 317 @Override 318 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 319 super.onFocusChanged(hasFocus, direction, previous); 320 if (!hasFocus) { 321 shrink(); 322 } else { 323 expand(); 324 scrollLineIntoView(getLineCount()); 325 } 326 } 327 328 @Override 329 public void performValidation() { 330 // Do nothing. Chips handles its own validation. 331 } 332 333 private void shrink() { 334 if (mSelectedChip != null 335 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 336 clearSelectedChip(); 337 } else { 338 if (getWidth() <= 0) { 339 // We don't have the width yet which means the view hasn't been drawn yet 340 // and there is no reason to attempt to commit chips yet. 341 // This focus lost must be the result of an orientation change 342 // or an initial rendering. 343 // Re-post the shrink for later. 344 mHandler.removeCallbacks(mDelayedShrink); 345 mHandler.post(mDelayedShrink); 346 return; 347 } 348 // Reset any pending chips as they would have been handled 349 // when the field lost focus. 350 if (mPendingChipsCount > 0) { 351 postHandlePendingChips(); 352 } else { 353 Editable editable = getText(); 354 int end = getSelectionEnd(); 355 int start = mTokenizer.findTokenStart(editable, end); 356 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 357 if ((chips == null || chips.length == 0)) { 358 Editable text = getText(); 359 int whatEnd = mTokenizer.findTokenEnd(text, start); 360 // This token was already tokenized, so skip past the ending token. 361 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 362 whatEnd++; 363 } 364 // In the middle of chip; treat this as an edit 365 // and commit the whole token. 366 int selEnd = getSelectionEnd(); 367 if (whatEnd != selEnd && whatEnd != editable.toString().trim().length()) { 368 handleEdit(start, whatEnd); 369 } else { 370 commitChip(start, end, editable); 371 } 372 } 373 } 374 mHandler.post(mAddTextWatcher); 375 } 376 createMoreChip(); 377 } 378 379 private void expand() { 380 removeMoreChip(); 381 setCursorVisible(true); 382 Editable text = getText(); 383 setSelection(text != null && text.length() > 0 ? text.length() : 0); 384 // If there are any temporary chips, try replacing them now that the user 385 // has expanded the field. 386 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 387 new RecipientReplacementTask().execute(); 388 mTemporaryRecipients = null; 389 } 390 } 391 392 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 393 paint.setTextSize(mChipFontSize); 394 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 395 Log.d(TAG, "Max width is negative: " + maxWidth); 396 } 397 return TextUtils.ellipsize(text, paint, maxWidth, 398 TextUtils.TruncateAt.END); 399 } 400 401 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 402 // Ellipsize the text so that it takes AT MOST the entire width of the 403 // autocomplete text entry area. Make sure to leave space for padding 404 // on the sides. 405 int height = (int) mChipHeight; 406 int deleteWidth = height; 407 CharSequence ellipsizedText = ellipsizeText(contact.getDisplayName(), paint, 408 calculateAvailableWidth(true) - deleteWidth); 409 410 // Make sure there is a minimum chip width so the user can ALWAYS 411 // tap a chip without difficulty. 412 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 413 ellipsizedText.length())) 414 + (mChipPadding * 2) + deleteWidth); 415 416 // Create the background of the chip. 417 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 418 Canvas canvas = new Canvas(tmpBitmap); 419 if (mChipBackgroundPressed != null) { 420 mChipBackgroundPressed.setBounds(0, 0, width, height); 421 mChipBackgroundPressed.draw(canvas); 422 paint.setColor(sSelectedTextColor); 423 // Vertically center the text in the chip. 424 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 425 getTextYOffset((String) ellipsizedText, paint, height), paint); 426 // Make the delete a square. 427 Rect backgroundPadding = new Rect(); 428 mChipBackgroundPressed.getPadding(backgroundPadding); 429 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 430 0 + backgroundPadding.top, 431 width - backgroundPadding.right, 432 height - backgroundPadding.bottom); 433 mChipDelete.draw(canvas); 434 } else { 435 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 436 } 437 return tmpBitmap; 438 } 439 440 /** 441 * Get the background drawable for a RecipientChip. 442 */ 443 public Drawable getChipBackground(RecipientEntry contact) { 444 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 445 mChipBackground : mInvalidChipBackground; 446 } 447 448 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 449 // Ellipsize the text so that it takes AT MOST the entire width of the 450 // autocomplete text entry area. Make sure to leave space for padding 451 // on the sides. 452 int height = (int) mChipHeight; 453 int iconWidth = height; 454 String displayText = 455 !TextUtils.isEmpty(contact.getDisplayName()) ? contact.getDisplayName() : 456 !TextUtils.isEmpty(contact.getDestination()) ? contact.getDestination() : ""; 457 CharSequence ellipsizedText = ellipsizeText(displayText, paint, 458 calculateAvailableWidth(false) - iconWidth); 459 // Make sure there is a minimum chip width so the user can ALWAYS 460 // tap a chip without difficulty. 461 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 462 ellipsizedText.length())) 463 + (mChipPadding * 2) + iconWidth); 464 465 // Create the background of the chip. 466 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 467 Canvas canvas = new Canvas(tmpBitmap); 468 Drawable background = getChipBackground(contact); 469 if (background != null) { 470 background.setBounds(0, 0, width, height); 471 background.draw(canvas); 472 473 // Don't draw photos for recipients that have been typed in. 474 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 475 byte[] photoBytes = contact.getPhotoBytes(); 476 // There may not be a photo yet if anything but the first contact address 477 // was selected. 478 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 479 // TODO: cache this in the recipient entry? 480 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 481 .getPhotoThumbnailUri()); 482 photoBytes = contact.getPhotoBytes(); 483 } 484 485 Bitmap photo; 486 if (photoBytes != null) { 487 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 488 } else { 489 // TODO: can the scaled down default photo be cached? 490 photo = mDefaultContactPhoto; 491 } 492 // Draw the photo on the left side. 493 if (photo != null) { 494 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 495 Rect backgroundPadding = new Rect(); 496 mChipBackground.getPadding(backgroundPadding); 497 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 498 0 + backgroundPadding.top, 499 width - backgroundPadding.right, 500 height - backgroundPadding.bottom); 501 Matrix matrix = new Matrix(); 502 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 503 canvas.drawBitmap(photo, matrix, paint); 504 } 505 } else { 506 // Don't leave any space for the icon. It isn't being drawn. 507 iconWidth = 0; 508 } 509 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 510 // Vertically center the text in the chip. 511 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 512 getTextYOffset((String)ellipsizedText, paint, height), paint); 513 } else { 514 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 515 } 516 return tmpBitmap; 517 } 518 519 private float getTextYOffset(String text, TextPaint paint, int height) { 520 Rect bounds = new Rect(); 521 paint.getTextBounds((String)text, 0, text.length(), bounds); 522 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 523 return height - ((height - textHeight) / 2); 524 } 525 526 public RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 527 throws NullPointerException { 528 if (mChipBackground == null) { 529 throw new NullPointerException( 530 "Unable to render any chips as setChipDimensions was not called."); 531 } 532 Layout layout = getLayout(); 533 534 TextPaint paint = getPaint(); 535 float defaultSize = paint.getTextSize(); 536 int defaultColor = paint.getColor(); 537 538 Bitmap tmpBitmap; 539 if (pressed) { 540 tmpBitmap = createSelectedChip(contact, paint, layout); 541 542 } else { 543 tmpBitmap = createUnselectedChip(contact, paint, layout); 544 } 545 546 // Pass the full text, un-ellipsized, to the chip. 547 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 548 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 549 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 550 // Return text to the original size. 551 paint.setTextSize(defaultSize); 552 paint.setColor(defaultColor); 553 return recipientChip; 554 } 555 556 /** 557 * Calculate the bottom of the line the chip will be located on using: 558 * 1) which line the chip appears on 559 * 2) the height of a chip 560 * 3) padding built into the edit text view 561 */ 562 private int calculateOffsetFromBottom(int line) { 563 // Line offsets start at zero. 564 int actualLine = getLineCount() - (line + 1); 565 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 566 + getDropDownVerticalOffset(); 567 } 568 569 /** 570 * Get the max amount of space a chip can take up. The formula takes into 571 * account the width of the EditTextView, any view padding, and padding 572 * that will be added to the chip. 573 */ 574 private float calculateAvailableWidth(boolean pressed) { 575 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 576 } 577 578 /** 579 * Set all chip dimensions and resources. This has to be done from the 580 * application as this is a static library. 581 * @param chipBackground 582 * @param chipBackgroundPressed 583 * @param invalidChip 584 * @param chipDelete 585 * @param defaultContact 586 * @param moreResource 587 * @param alternatesLayout 588 * @param chipHeight 589 * @param padding Padding around the text in a chip 590 * @param chipFontSize 591 * @param copyViewRes 592 */ 593 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 594 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 595 int alternatesLayout, float chipHeight, float padding, 596 float chipFontSize, int copyViewRes) { 597 mChipBackground = chipBackground; 598 mChipBackgroundPressed = chipBackgroundPressed; 599 mChipDelete = chipDelete; 600 mChipPadding = (int) padding; 601 mAlternatesLayout = alternatesLayout; 602 mDefaultContactPhoto = defaultContact; 603 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 604 mChipHeight = chipHeight; 605 mChipFontSize = chipFontSize; 606 mInvalidChipBackground = invalidChip; 607 mCopyViewRes = copyViewRes; 608 } 609 610 // Visible for testing. 611 /* package */ void setMoreItem(TextView moreItem) { 612 mMoreItem = moreItem; 613 } 614 615 616 // Visible for testing. 617 /* package */ void setChipBackground(Drawable chipBackground) { 618 mChipBackground = chipBackground; 619 } 620 621 // Visible for testing. 622 /* package */ void setChipHeight(int height) { 623 mChipHeight = height; 624 } 625 626 /** 627 * Set whether to shrink the recipients field such that at most 628 * one line of recipients chips are shown when the field loses 629 * focus. By default, the number of displayed recipients will be 630 * limited and a "more" chip will be shown when focus is lost. 631 * @param shrink 632 */ 633 public void setOnFocusListShrinkRecipients(boolean shrink) { 634 mShouldShrink = shrink; 635 } 636 637 @Override 638 public void onSizeChanged(int width, int height, int oldw, int oldh) { 639 super.onSizeChanged(width, height, oldw, oldh); 640 if (width != 0 && height != 0) { 641 if (mPendingChipsCount > 0) { 642 postHandlePendingChips(); 643 } else { 644 checkChipWidths(); 645 } 646 } 647 // Try to find the scroll view parent, if it exists. 648 if (mScrollView == null && !mTried) { 649 ViewParent parent = getParent(); 650 while (parent != null && !(parent instanceof ScrollView)) { 651 parent = parent.getParent(); 652 } 653 if (parent != null) { 654 mScrollView = (ScrollView) parent; 655 } 656 mTried = true; 657 } 658 } 659 660 private void postHandlePendingChips() { 661 mHandler.removeCallbacks(mHandlePendingChips); 662 mHandler.post(mHandlePendingChips); 663 } 664 665 private void checkChipWidths() { 666 // Check the widths of the associated chips. 667 RecipientChip[] chips = getSortedRecipients(); 668 if (chips != null) { 669 Rect bounds; 670 for (RecipientChip chip : chips) { 671 bounds = chip.getDrawable().getBounds(); 672 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 673 // Need to redraw that chip. 674 replaceChip(chip, chip.getEntry()); 675 } 676 } 677 } 678 } 679 680 private void handlePendingChips() { 681 if (getWidth() <= 0) { 682 // The widget has not been sized yet. 683 // This will be called as a result of onSizeChanged 684 // at a later point. 685 return; 686 } 687 688 if (mPendingChipsCount <= 0) { 689 return; 690 } 691 692 synchronized (mPendingChips) { 693 Editable editable = getText(); 694 // Tokenize! 695 for (int i = 0; i < mPendingChips.size(); i++) { 696 String current = mPendingChips.get(i); 697 int tokenStart = editable.toString().indexOf(current); 698 int tokenEnd = tokenStart + current.length(); 699 if (tokenStart >= 0) { 700 // When we have a valid token, include it with the token 701 // to the left. 702 if (tokenEnd < editable.length() - 2 703 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 704 tokenEnd++; 705 } 706 createReplacementChip(tokenStart, tokenEnd, editable); 707 } 708 mPendingChipsCount--; 709 } 710 sanitizeSpannable(); 711 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 712 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 713 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 714 new RecipientReplacementTask().execute(); 715 mTemporaryRecipients = null; 716 } else { 717 // Create the "more" chip 718 mIndividualReplacements = new IndividualReplacementTask(); 719 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 720 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 721 722 createMoreChip(); 723 } 724 } else { 725 // There are too many recipients to look up, so just fall back 726 // to showing addresses for all of them. 727 mTemporaryRecipients = null; 728 createMoreChip(); 729 } 730 mPendingChipsCount = 0; 731 mPendingChips.clear(); 732 } 733 } 734 735 /** 736 * Remove any characters after the last valid chip. 737 */ 738 private void sanitizeSpannable() { 739 // Find the last chip; eliminate any commit characters after it. 740 RecipientChip[] chips = getRecipients(); 741 if (chips != null && chips.length > 0) { 742 int end; 743 ImageSpan lastSpan; 744 mMoreChip = getMoreChip(); 745 if (mMoreChip != null) { 746 lastSpan = mMoreChip; 747 } else { 748 lastSpan = chips[chips.length - 1]; 749 } 750 end = getSpannable().getSpanEnd(lastSpan); 751 Editable editable = getText(); 752 int length = editable.length(); 753 if (length > end) { 754 // See what characters occur after that and eliminate them. 755 if (Log.isLoggable(TAG, Log.DEBUG)) { 756 Log.d(TAG, "There were extra characters after the last tokenizable entry." 757 + editable); 758 } 759 editable.delete(end + 1, length); 760 } 761 } 762 } 763 764 /** 765 * Create a chip that represents just the email address of a recipient. At some later 766 * point, this chip will be attached to a real contact entry, if one exists. 767 */ 768 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 769 if (alreadyHasChip(tokenStart, tokenEnd)) { 770 // There is already a chip present at this location. 771 // Don't recreate it. 772 return; 773 } 774 String token = editable.toString().substring(tokenStart, tokenEnd); 775 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 776 if (commitCharIndex == token.length() - 1) { 777 token = token.substring(0, token.length() - 1); 778 } 779 RecipientEntry entry = createTokenizedEntry(token); 780 if (entry != null) { 781 String destText = createDisplayText(entry); 782 // Always leave a blank space at the end of a chip. 783 int textLength = destText.length() - 1; 784 SpannableString chipText = new SpannableString(destText); 785 int end = getSelectionEnd(); 786 int start = mTokenizer.findTokenStart(getText(), end); 787 RecipientChip chip = null; 788 try { 789 chip = constructChipSpan(entry, start, false); 790 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 791 } catch (NullPointerException e) { 792 Log.e(TAG, e.getMessage(), e); 793 } 794 editable.replace(tokenStart, tokenEnd, chipText); 795 // Add this chip to the list of entries "to replace" 796 if (chip != null) { 797 if (mTemporaryRecipients == null) { 798 mTemporaryRecipients = new ArrayList<RecipientChip>(); 799 } 800 chip.setOriginalText(chipText.toString()); 801 mTemporaryRecipients.add(chip); 802 } 803 } 804 } 805 806 private RecipientEntry createTokenizedEntry(String token) { 807 if (TextUtils.isEmpty(token)) { 808 return null; 809 } 810 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 811 String display = null; 812 if (isValid(token) && tokens != null && tokens.length > 0) { 813 // If we can get a name from tokenizing, then generate an entry from 814 // this. 815 display = tokens[0].getName(); 816 if (!TextUtils.isEmpty(display)) { 817 return RecipientEntry.constructGeneratedEntry(display, token); 818 } else { 819 display = tokens[0].getAddress(); 820 if (!TextUtils.isEmpty(display)) { 821 return RecipientEntry.constructFakeEntry(display); 822 } 823 } 824 } 825 // Unable to validate the token or to create a valid token from it. 826 // Just create a chip the user can edit. 827 String validatedToken = null; 828 if (mValidator != null && !mValidator.isValid(token)) { 829 // Try fixing up the entry using the validator. 830 validatedToken = mValidator.fixText(token).toString(); 831 if (!TextUtils.isEmpty(validatedToken)) { 832 if (validatedToken.contains(token)) { 833 // protect against the case of a validator with a null domain, 834 // which doesn't add a domain to the token 835 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 836 if (tokenized.length > 0) { 837 validatedToken = tokenized[0].getAddress(); 838 } 839 } else { 840 // We ran into a case where the token was invalid and removed 841 // by the validator. In this case, just use the original token 842 // and let the user sort out the error chip. 843 validatedToken = null; 844 } 845 } 846 } 847 // Otherwise, fallback to just creating an editable email address chip. 848 return RecipientEntry 849 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 850 } 851 852 private boolean isValid(String text) { 853 return mValidator == null ? true : mValidator.isValid(text); 854 } 855 856 private String tokenizeAddress(String destination) { 857 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 858 if (tokens != null && tokens.length > 0) { 859 return tokens[0].getAddress(); 860 } 861 return destination; 862 } 863 864 @Override 865 public void setTokenizer(Tokenizer tokenizer) { 866 mTokenizer = tokenizer; 867 super.setTokenizer(mTokenizer); 868 } 869 870 @Override 871 public void setValidator(Validator validator) { 872 mValidator = validator; 873 super.setValidator(validator); 874 } 875 876 /** 877 * We cannot use the default mechanism for replaceText. Instead, 878 * we override onItemClickListener so we can get all the associated 879 * contact information including display text, address, and id. 880 */ 881 @Override 882 protected void replaceText(CharSequence text) { 883 return; 884 } 885 886 /** 887 * Dismiss any selected chips when the back key is pressed. 888 */ 889 @Override 890 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 891 if (keyCode == KeyEvent.KEYCODE_BACK) { 892 clearSelectedChip(); 893 } 894 return super.onKeyPreIme(keyCode, event); 895 } 896 897 /** 898 * Monitor key presses in this view to see if the user types 899 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 900 * If the user has entered text that has contact matches and types 901 * a commit key, create a chip from the topmost matching contact. 902 * If the user has entered text that has no contact matches and types 903 * a commit key, then create a chip from the text they have entered. 904 */ 905 @Override 906 public boolean onKeyUp(int keyCode, KeyEvent event) { 907 switch (keyCode) { 908 case KeyEvent.KEYCODE_ENTER: 909 case KeyEvent.KEYCODE_DPAD_CENTER: 910 if (event.hasNoModifiers()) { 911 if (commitDefault()) { 912 return true; 913 } 914 if (mSelectedChip != null) { 915 clearSelectedChip(); 916 return true; 917 } else if (focusNext()) { 918 return true; 919 } 920 } 921 break; 922 case KeyEvent.KEYCODE_TAB: 923 if (event.hasNoModifiers()) { 924 if (mSelectedChip != null) { 925 clearSelectedChip(); 926 } else { 927 commitDefault(); 928 } 929 if (focusNext()) { 930 return true; 931 } 932 } 933 } 934 return super.onKeyUp(keyCode, event); 935 } 936 937 private boolean focusNext() { 938 View next = focusSearch(View.FOCUS_DOWN); 939 if (next != null) { 940 next.requestFocus(); 941 return true; 942 } 943 return false; 944 } 945 946 /** 947 * Create a chip from the default selection. If the popup is showing, the 948 * default is the first item in the popup suggestions list. Otherwise, it is 949 * whatever the user had typed in. End represents where the the tokenizer 950 * should search for a token to turn into a chip. 951 * @return If a chip was created from a real contact. 952 */ 953 private boolean commitDefault() { 954 Editable editable = getText(); 955 int end = getSelectionEnd(); 956 int start = mTokenizer.findTokenStart(editable, end); 957 958 if (shouldCreateChip(start, end)) { 959 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 960 // In the middle of chip; treat this as an edit 961 // and commit the whole token. 962 if (whatEnd != getSelectionEnd()) { 963 handleEdit(start, whatEnd); 964 return true; 965 } 966 return commitChip(start, end , editable); 967 } 968 return false; 969 } 970 971 private void commitByCharacter() { 972 Editable editable = getText(); 973 int end = getSelectionEnd(); 974 int start = mTokenizer.findTokenStart(editable, end); 975 if (shouldCreateChip(start, end)) { 976 commitChip(start, end, editable); 977 } 978 setSelection(getText().length()); 979 } 980 981 private boolean commitChip(int start, int end, Editable editable) { 982 if (getAdapter().getCount() > 0 && enoughToFilter()) { 983 // choose the first entry. 984 submitItemAtPosition(0); 985 dismissDropDown(); 986 return true; 987 } else { 988 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 989 if (editable.length() > tokenEnd && editable.charAt(tokenEnd) == ',') { 990 tokenEnd++; 991 } 992 String text = editable.toString().substring(start, tokenEnd).trim(); 993 clearComposingText(); 994 if (text != null && text.length() > 0 && !text.equals(" ")) { 995 RecipientEntry entry = createTokenizedEntry(text); 996 if (entry != null) { 997 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 998 CharSequence chipText = createChip(entry, false); 999 if (chipText != null && start > -1 && end > -1) { 1000 editable.replace(start, end, chipText); 1001 } 1002 } 1003 dismissDropDown(); 1004 sanitizeBetween(); 1005 return true; 1006 } 1007 } 1008 return false; 1009 } 1010 1011 // Visible for testing. 1012 /* package */ void sanitizeBetween() { 1013 // Find the last chip. 1014 RecipientChip[] recips = getSortedRecipients(); 1015 if (recips != null && recips.length > 0) { 1016 RecipientChip last = recips[recips.length - 1]; 1017 RecipientChip beforeLast = null; 1018 if (recips.length > 1) { 1019 beforeLast = recips[recips.length - 2]; 1020 } 1021 int startLooking = 0; 1022 int end = getSpannable().getSpanStart(last); 1023 if (beforeLast != null) { 1024 startLooking = getSpannable().getSpanEnd(beforeLast); 1025 Editable text = getText(); 1026 if (startLooking == -1 || startLooking > text.length() - 1) { 1027 // There is nothing after this chip. 1028 return; 1029 } 1030 if (text.charAt(startLooking) == ' ') { 1031 startLooking++; 1032 } 1033 } 1034 if (startLooking >= 0 && end >= 0 && startLooking != end) { 1035 getText().delete(startLooking, end); 1036 } 1037 } 1038 } 1039 1040 private boolean shouldCreateChip(int start, int end) { 1041 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1042 } 1043 1044 private boolean alreadyHasChip(int start, int end) { 1045 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1046 if ((chips == null || chips.length == 0)) { 1047 return false; 1048 } 1049 return true; 1050 } 1051 1052 private void handleEdit(int start, int end) { 1053 if (start == -1 || end == -1) { 1054 // This chip no longer exists in the field. 1055 dismissDropDown(); 1056 return; 1057 } 1058 // This is in the middle of a chip, so select out the whole chip 1059 // and commit it. 1060 Editable editable = getText(); 1061 setSelection(end); 1062 String text = getText().toString().substring(start, end); 1063 if (!TextUtils.isEmpty(text)) { 1064 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1065 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1066 CharSequence chipText = createChip(entry, false); 1067 if (chipText != null) { 1068 editable.replace(start, getSelectionEnd(), chipText); 1069 } 1070 } 1071 dismissDropDown(); 1072 } 1073 1074 /** 1075 * If there is a selected chip, delegate the key events 1076 * to the selected chip. 1077 */ 1078 @Override 1079 public boolean onKeyDown(int keyCode, KeyEvent event) { 1080 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1081 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1082 mAlternatesPopup.dismiss(); 1083 } 1084 removeChip(mSelectedChip); 1085 } 1086 1087 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1088 return true; 1089 } 1090 1091 return super.onKeyDown(keyCode, event); 1092 } 1093 1094 // Visible for testing. 1095 /* package */ Spannable getSpannable() { 1096 return getText(); 1097 } 1098 1099 private int getChipStart(RecipientChip chip) { 1100 return getSpannable().getSpanStart(chip); 1101 } 1102 1103 private int getChipEnd(RecipientChip chip) { 1104 return getSpannable().getSpanEnd(chip); 1105 } 1106 1107 /** 1108 * Instead of filtering on the entire contents of the edit box, 1109 * this subclass method filters on the range from 1110 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1111 * if the length of that range meets or exceeds {@link #getThreshold} 1112 * and makes sure that the range is not already a Chip. 1113 */ 1114 @Override 1115 protected void performFiltering(CharSequence text, int keyCode) { 1116 if (enoughToFilter()) { 1117 int end = getSelectionEnd(); 1118 int start = mTokenizer.findTokenStart(text, end); 1119 // If this is a RecipientChip, don't filter 1120 // on its contents. 1121 Spannable span = getSpannable(); 1122 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1123 if (chips != null && chips.length > 0) { 1124 return; 1125 } 1126 } 1127 super.performFiltering(text, keyCode); 1128 } 1129 1130 private void clearSelectedChip() { 1131 if (mSelectedChip != null) { 1132 unselectChip(mSelectedChip); 1133 mSelectedChip = null; 1134 } 1135 setCursorVisible(true); 1136 } 1137 1138 /** 1139 * Monitor touch events in the RecipientEditTextView. 1140 * If the view does not have focus, any tap on the view 1141 * will just focus the view. If the view has focus, determine 1142 * if the touch target is a recipient chip. If it is and the chip 1143 * is not selected, select it and clear any other selected chips. 1144 * If it isn't, then select that chip. 1145 */ 1146 @Override 1147 public boolean onTouchEvent(MotionEvent event) { 1148 if (!isFocused()) { 1149 // Ignore any chip taps until this view is focused. 1150 return super.onTouchEvent(event); 1151 } 1152 boolean handled = super.onTouchEvent(event); 1153 int action = event.getAction(); 1154 boolean chipWasSelected = false; 1155 if (mSelectedChip == null) { 1156 mGestureDetector.onTouchEvent(event); 1157 } 1158 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1159 float x = event.getX(); 1160 float y = event.getY(); 1161 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1162 RecipientChip currentChip = findChip(offset); 1163 if (currentChip != null) { 1164 if (action == MotionEvent.ACTION_UP) { 1165 if (mSelectedChip != null && mSelectedChip != currentChip) { 1166 clearSelectedChip(); 1167 mSelectedChip = selectChip(currentChip); 1168 } else if (mSelectedChip == null) { 1169 setSelection(getText().length()); 1170 commitDefault(); 1171 mSelectedChip = selectChip(currentChip); 1172 } else { 1173 onClick(mSelectedChip, offset, x, y); 1174 } 1175 } 1176 chipWasSelected = true; 1177 handled = true; 1178 } else if (mSelectedChip != null 1179 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1180 chipWasSelected = true; 1181 } 1182 } 1183 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1184 clearSelectedChip(); 1185 } 1186 return handled; 1187 } 1188 1189 private void scrollLineIntoView(int line) { 1190 if (mScrollView != null) { 1191 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1192 } 1193 } 1194 1195 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1196 int width, Context context) { 1197 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1198 int bottom = calculateOffsetFromBottom(line); 1199 // Align the alternates popup with the left side of the View, 1200 // regardless of the position of the chip tapped. 1201 alternatesPopup.setWidth(width); 1202 setEnabled(false); 1203 alternatesPopup.setAnchorView(this); 1204 alternatesPopup.setVerticalOffset(bottom); 1205 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1206 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1207 // Clear the checked item. 1208 mCheckedItem = -1; 1209 alternatesPopup.show(); 1210 ListView listView = alternatesPopup.getListView(); 1211 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1212 // Checked item would be -1 if the adapter has not 1213 // loaded the view that should be checked yet. The 1214 // variable will be set correctly when onCheckedItemChanged 1215 // is called in a separate thread. 1216 if (mCheckedItem != -1) { 1217 listView.setItemChecked(mCheckedItem, true); 1218 mCheckedItem = -1; 1219 } 1220 } 1221 1222 // Dismiss listener for alterns and single address popup. 1223 @Override 1224 public void onDismiss() { 1225 setEnabled(true); 1226 } 1227 1228 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1229 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1230 mAlternatesLayout, this); 1231 } 1232 1233 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1234 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1235 .getEntry()); 1236 } 1237 1238 @Override 1239 public void onCheckedItemChanged(int position) { 1240 ListView listView = mAlternatesPopup.getListView(); 1241 if (listView != null && listView.getCheckedItemCount() == 0) { 1242 listView.setItemChecked(position, true); 1243 } 1244 mCheckedItem = position; 1245 } 1246 1247 // TODO: This algorithm will need a lot of tweaking after more people have used 1248 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1249 // what comes before the finger. 1250 private int putOffsetInRange(int o) { 1251 int offset = o; 1252 Editable text = getText(); 1253 int length = text.length(); 1254 // Remove whitespace from end to find "real end" 1255 int realLength = length; 1256 for (int i = length - 1; i >= 0; i--) { 1257 if (text.charAt(i) == ' ') { 1258 realLength--; 1259 } else { 1260 break; 1261 } 1262 } 1263 1264 // If the offset is beyond or at the end of the text, 1265 // leave it alone. 1266 if (offset >= realLength) { 1267 return offset; 1268 } 1269 Editable editable = getText(); 1270 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1271 // Keep walking backward! 1272 offset--; 1273 } 1274 return offset; 1275 } 1276 1277 private int findText(Editable text, int offset) { 1278 if (text.charAt(offset) != ' ') { 1279 return offset; 1280 } 1281 return -1; 1282 } 1283 1284 private RecipientChip findChip(int offset) { 1285 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1286 // Find the chip that contains this offset. 1287 for (int i = 0; i < chips.length; i++) { 1288 RecipientChip chip = chips[i]; 1289 int start = getChipStart(chip); 1290 int end = getChipEnd(chip); 1291 if (offset >= start && offset <= end) { 1292 return chip; 1293 } 1294 } 1295 return null; 1296 } 1297 1298 // Visible for testing. 1299 /* package */ String createDisplayText(RecipientEntry entry) { 1300 String display = entry.getDisplayName(); 1301 String address = entry.getDestination(); 1302 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1303 display = null; 1304 } 1305 if (address != null) { 1306 // Tokenize out the address in case the address already 1307 // contained the username as well. 1308 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1309 if (tokenized != null && tokenized.length > 0) { 1310 address = tokenized[0].getAddress(); 1311 } 1312 } 1313 Rfc822Token token = new Rfc822Token(display, address, null); 1314 String displayText = token.toString(); 1315 String trimmedDisplayText = displayText.trim(); 1316 int index = trimmedDisplayText.indexOf(","); 1317 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1318 .terminateToken(displayText) : displayText; 1319 } 1320 1321 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1322 String displayText = createDisplayText(entry); 1323 if (TextUtils.isEmpty(displayText)) { 1324 return null; 1325 } 1326 // Always leave a blank space at the end of a chip. 1327 int textLength = displayText.length()-1; 1328 SpannableString chipText = new SpannableString(displayText); 1329 int end = getSelectionEnd(); 1330 int start = mTokenizer.findTokenStart(getText(), end); 1331 try { 1332 RecipientChip chip = constructChipSpan(entry, start, pressed); 1333 chipText.setSpan(chip, 0, textLength, 1334 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1335 chip.setOriginalText(chipText.toString()); 1336 } catch (NullPointerException e) { 1337 Log.e(TAG, e.getMessage(), e); 1338 return null; 1339 } 1340 1341 return chipText; 1342 } 1343 1344 /** 1345 * When an item in the suggestions list has been clicked, create a chip from the 1346 * contact information of the selected item. 1347 */ 1348 @Override 1349 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1350 submitItemAtPosition(position); 1351 } 1352 1353 private void submitItemAtPosition(int position) { 1354 RecipientEntry entry = createValidatedEntry( 1355 (RecipientEntry)getAdapter().getItem(position)); 1356 if (entry == null) { 1357 return; 1358 } 1359 clearComposingText(); 1360 1361 int end = getSelectionEnd(); 1362 int start = mTokenizer.findTokenStart(getText(), end); 1363 1364 Editable editable = getText(); 1365 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1366 CharSequence chip = createChip(entry, false); 1367 if (chip != null) { 1368 editable.replace(start, end, chip); 1369 } 1370 sanitizeBetween(); 1371 } 1372 1373 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1374 if (item == null) { 1375 return null; 1376 } 1377 final RecipientEntry entry; 1378 // If the display name and the address are the same, or if this is a 1379 // valid contact, but the destination is invalid, then make this a fake 1380 // recipient that is editable. 1381 String destination = item.getDestination(); 1382 if (TextUtils.isEmpty(item.getDisplayName()) 1383 || TextUtils.equals(item.getDisplayName(), destination) 1384 || (mValidator != null && !mValidator.isValid(destination))) { 1385 entry = RecipientEntry.constructFakeEntry(destination); 1386 } else { 1387 entry = item; 1388 } 1389 return entry; 1390 } 1391 1392 /** Returns a collection of contact Id for each chip inside this View. */ 1393 /* package */ Collection<Long> getContactIds() { 1394 final Set<Long> result = new HashSet<Long>(); 1395 RecipientChip[] chips = getRecipients(); 1396 if (chips != null) { 1397 for (RecipientChip chip : chips) { 1398 result.add(chip.getContactId()); 1399 } 1400 } 1401 return result; 1402 } 1403 1404 private RecipientChip[] getRecipients() { 1405 return getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1406 } 1407 1408 // Visible for testing. 1409 /* package */ RecipientChip[] getSortedRecipients() { 1410 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1411 .asList(getRecipients())); 1412 final Spannable spannable = getSpannable(); 1413 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1414 1415 @Override 1416 public int compare(RecipientChip first, RecipientChip second) { 1417 int firstStart = spannable.getSpanStart(first); 1418 int secondStart = spannable.getSpanStart(second); 1419 if (firstStart < secondStart) { 1420 return -1; 1421 } else if (firstStart > secondStart) { 1422 return 1; 1423 } else { 1424 return 0; 1425 } 1426 } 1427 }); 1428 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1429 } 1430 1431 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1432 /* package */ Collection<Long> getDataIds() { 1433 final Set<Long> result = new HashSet<Long>(); 1434 RecipientChip [] chips = getRecipients(); 1435 if (chips != null) { 1436 for (RecipientChip chip : chips) { 1437 result.add(chip.getDataId()); 1438 } 1439 } 1440 return result; 1441 } 1442 1443 1444 @Override 1445 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1446 return false; 1447 } 1448 1449 @Override 1450 public void onDestroyActionMode(ActionMode mode) { 1451 } 1452 1453 @Override 1454 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1455 return false; 1456 } 1457 1458 /** 1459 * No chips are selectable. 1460 */ 1461 @Override 1462 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1463 return false; 1464 } 1465 1466 // Visible for testing. 1467 /* package */ImageSpan getMoreChip() { 1468 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1469 MoreImageSpan.class); 1470 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1471 } 1472 1473 /** 1474 * Create the more chip. The more chip is text that replaces any chips that 1475 * do not fit in the pre-defined available space when the 1476 * RecipientEditTextView loses focus. 1477 */ 1478 // Visible for testing. 1479 /* package */ void createMoreChip() { 1480 if (!mShouldShrink) { 1481 return; 1482 } 1483 1484 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1485 if (tempMore.length > 0) { 1486 getSpannable().removeSpan(tempMore[0]); 1487 } 1488 RecipientChip[] recipients = getSortedRecipients(); 1489 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1490 mMoreChip = null; 1491 return; 1492 } 1493 Spannable spannable = getSpannable(); 1494 int numRecipients = recipients.length; 1495 int overage = numRecipients - CHIP_LIMIT; 1496 String moreText = String.format(mMoreItem.getText().toString(), overage); 1497 TextPaint morePaint = new TextPaint(getPaint()); 1498 morePaint.setTextSize(mMoreItem.getTextSize()); 1499 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1500 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1501 + mMoreItem.getPaddingRight(); 1502 int height = getLineHeight(); 1503 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1504 Canvas canvas = new Canvas(drawable); 1505 int adjustedHeight = height; 1506 Layout layout = getLayout(); 1507 if (layout != null) { 1508 adjustedHeight -= layout.getLineDescent(0); 1509 } 1510 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1511 1512 Drawable result = new BitmapDrawable(getResources(), drawable); 1513 result.setBounds(0, 0, width, height); 1514 MoreImageSpan moreSpan = new MoreImageSpan(result); 1515 // Remove the overage chips. 1516 if (recipients == null || recipients.length == 0) { 1517 Log.w(TAG, 1518 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1519 mMoreChip = null; 1520 return; 1521 } 1522 mRemovedSpans = new ArrayList<RecipientChip>(); 1523 int totalReplaceStart = 0; 1524 int totalReplaceEnd = 0; 1525 Editable text = getText(); 1526 for (int i = numRecipients - overage; i < recipients.length; i++) { 1527 mRemovedSpans.add(recipients[i]); 1528 if (i == numRecipients - overage) { 1529 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1530 } 1531 if (i == recipients.length - 1) { 1532 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1533 } 1534 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1535 int spanStart = spannable.getSpanStart(recipients[i]); 1536 int spanEnd = spannable.getSpanEnd(recipients[i]); 1537 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1538 } 1539 spannable.removeSpan(recipients[i]); 1540 } 1541 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1542 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1543 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1544 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1545 text.replace(start, end, chipText); 1546 mMoreChip = moreSpan; 1547 } 1548 1549 /** 1550 * Replace the more chip, if it exists, with all of the recipient chips it had 1551 * replaced when the RecipientEditTextView gains focus. 1552 */ 1553 // Visible for testing. 1554 /*package*/ void removeMoreChip() { 1555 if (mMoreChip != null) { 1556 Spannable span = getSpannable(); 1557 span.removeSpan(mMoreChip); 1558 mMoreChip = null; 1559 // Re-add the spans that were removed. 1560 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1561 // Recreate each removed span. 1562 RecipientChip[] recipients = getSortedRecipients(); 1563 // Start the search for tokens after the last currently visible 1564 // chip. 1565 if (recipients == null || recipients.length == 0) { 1566 return; 1567 } 1568 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1569 Editable editable = getText(); 1570 for (RecipientChip chip : mRemovedSpans) { 1571 int chipStart; 1572 int chipEnd; 1573 String token; 1574 // Need to find the location of the chip, again. 1575 token = (String) chip.getOriginalText(); 1576 // As we find the matching recipient for the remove spans, 1577 // reduce the size of the string we need to search. 1578 // That way, if there are duplicates, we always find the correct 1579 // recipient. 1580 chipStart = editable.toString().indexOf(token, end); 1581 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1582 // Only set the span if we found a matching token. 1583 if (chipStart != -1) { 1584 editable.setSpan(chip, chipStart, chipEnd, 1585 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1586 } 1587 } 1588 mRemovedSpans.clear(); 1589 } 1590 } 1591 } 1592 1593 /** 1594 * Show specified chip as selected. If the RecipientChip is just an email address, 1595 * selecting the chip will take the contents of the chip and place it at 1596 * the end of the RecipientEditTextView for inline editing. If the 1597 * RecipientChip is a complete contact, then selecting the chip 1598 * will change the background color of the chip, show the delete icon, 1599 * and a popup window with the address in use highlighted and any other 1600 * alternate addresses for the contact. 1601 * @param currentChip Chip to select. 1602 * @return A RecipientChip in the selected state or null if the chip 1603 * just contained an email address. 1604 */ 1605 public RecipientChip selectChip(RecipientChip currentChip) { 1606 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1607 CharSequence text = currentChip.getValue(); 1608 Editable editable = getText(); 1609 removeChip(currentChip); 1610 editable.append(text); 1611 setCursorVisible(true); 1612 setSelection(editable.length()); 1613 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1614 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1615 int start = getChipStart(currentChip); 1616 int end = getChipEnd(currentChip); 1617 getSpannable().removeSpan(currentChip); 1618 RecipientChip newChip; 1619 try { 1620 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1621 } catch (NullPointerException e) { 1622 Log.e(TAG, e.getMessage(), e); 1623 return null; 1624 } 1625 Editable editable = getText(); 1626 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1627 if (start == -1 || end == -1) { 1628 Log.d(TAG, "The chip being selected no longer exists but should."); 1629 } else { 1630 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1631 } 1632 newChip.setSelected(true); 1633 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1634 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1635 } 1636 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1637 setCursorVisible(false); 1638 return newChip; 1639 } else { 1640 int start = getChipStart(currentChip); 1641 int end = getChipEnd(currentChip); 1642 getSpannable().removeSpan(currentChip); 1643 RecipientChip newChip; 1644 try { 1645 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1646 } catch (NullPointerException e) { 1647 Log.e(TAG, e.getMessage(), e); 1648 return null; 1649 } 1650 Editable editable = getText(); 1651 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1652 if (start == -1 || end == -1) { 1653 Log.d(TAG, "The chip being selected no longer exists but should."); 1654 } else { 1655 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1656 } 1657 newChip.setSelected(true); 1658 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1659 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1660 } 1661 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1662 setCursorVisible(false); 1663 return newChip; 1664 } 1665 } 1666 1667 1668 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1669 int width, Context context) { 1670 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1671 int bottom = calculateOffsetFromBottom(line); 1672 // Align the alternates popup with the left side of the View, 1673 // regardless of the position of the chip tapped. 1674 setEnabled(false); 1675 popup.setWidth(width); 1676 popup.setAnchorView(this); 1677 popup.setVerticalOffset(bottom); 1678 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1679 popup.setOnItemClickListener(new OnItemClickListener() { 1680 @Override 1681 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1682 unselectChip(currentChip); 1683 popup.dismiss(); 1684 } 1685 }); 1686 popup.show(); 1687 ListView listView = popup.getListView(); 1688 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1689 listView.setItemChecked(0, true); 1690 } 1691 1692 /** 1693 * Remove selection from this chip. Unselecting a RecipientChip will render 1694 * the chip without a delete icon and with an unfocused background. This 1695 * is called when the RecipientChip no longer has focus. 1696 */ 1697 public void unselectChip(RecipientChip chip) { 1698 int start = getChipStart(chip); 1699 int end = getChipEnd(chip); 1700 Editable editable = getText(); 1701 mSelectedChip = null; 1702 if (start == -1 || end == -1) { 1703 Log.w(TAG, 1704 "The chip doesn't exist or may be a chip a user was editing"); 1705 setSelection(editable.length()); 1706 commitDefault(); 1707 } else { 1708 getSpannable().removeSpan(chip); 1709 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1710 editable.removeSpan(chip); 1711 try { 1712 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1713 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1714 } catch (NullPointerException e) { 1715 Log.e(TAG, e.getMessage(), e); 1716 } 1717 } 1718 setCursorVisible(true); 1719 setSelection(editable.length()); 1720 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1721 mAlternatesPopup.dismiss(); 1722 } 1723 } 1724 1725 /** 1726 * Return whether this chip contains the position passed in. 1727 */ 1728 public boolean matchesChip(RecipientChip chip, int offset) { 1729 int start = getChipStart(chip); 1730 int end = getChipEnd(chip); 1731 1732 if (start == -1 || end == -1) { 1733 return false; 1734 } 1735 return (offset >= start && offset <= end); 1736 } 1737 1738 1739 /** 1740 * Return whether a touch event was inside the delete target of 1741 * a selected chip. It is in the delete target if: 1742 * 1) the x and y points of the event are within the 1743 * delete assset. 1744 * 2) the point tapped would have caused a cursor to appear 1745 * right after the selected chip. 1746 * @return boolean 1747 */ 1748 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1749 // Figure out the bounds of this chip and whether or not 1750 // the user clicked in the X portion. 1751 return chip.isSelected() && offset == getChipEnd(chip); 1752 } 1753 1754 /** 1755 * Remove the chip and any text associated with it from the RecipientEditTextView. 1756 */ 1757 // Visible for testing. 1758 /*pacakge*/ void removeChip(RecipientChip chip) { 1759 Spannable spannable = getSpannable(); 1760 int spanStart = spannable.getSpanStart(chip); 1761 int spanEnd = spannable.getSpanEnd(chip); 1762 Editable text = getText(); 1763 int toDelete = spanEnd; 1764 boolean wasSelected = chip == mSelectedChip; 1765 // Clear that there is a selected chip before updating any text. 1766 if (wasSelected) { 1767 mSelectedChip = null; 1768 } 1769 // Always remove trailing spaces when removing a chip. 1770 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1771 toDelete++; 1772 } 1773 spannable.removeSpan(chip); 1774 text.delete(spanStart, toDelete); 1775 if (wasSelected) { 1776 clearSelectedChip(); 1777 } 1778 } 1779 1780 /** 1781 * Replace this currently selected chip with a new chip 1782 * that uses the contact data provided. 1783 */ 1784 public void replaceChip(RecipientChip chip, RecipientEntry entry) { 1785 boolean wasSelected = chip == mSelectedChip; 1786 if (wasSelected) { 1787 mSelectedChip = null; 1788 } 1789 int start = getChipStart(chip); 1790 int end = getChipEnd(chip); 1791 getSpannable().removeSpan(chip); 1792 Editable editable = getText(); 1793 CharSequence chipText = createChip(entry, false); 1794 if (chipText != null) { 1795 if (start == -1 || end == -1) { 1796 Log.e(TAG, "The chip to replace does not exist but should."); 1797 editable.insert(0, chipText); 1798 } else { 1799 if (!TextUtils.isEmpty(chipText)) { 1800 // There may be a space to replace with this chip's new 1801 // associated 1802 // space. Check for it 1803 int toReplace = end; 1804 while (toReplace >= 0 && toReplace < editable.length() 1805 && editable.charAt(toReplace) == ' ') { 1806 toReplace++; 1807 } 1808 editable.replace(start, toReplace, chipText); 1809 } 1810 } 1811 } 1812 setCursorVisible(true); 1813 if (wasSelected) { 1814 clearSelectedChip(); 1815 } 1816 } 1817 1818 /** 1819 * Handle click events for a chip. When a selected chip receives a click 1820 * event, see if that event was in the delete icon. If so, delete it. 1821 * Otherwise, unselect the chip. 1822 */ 1823 public void onClick(RecipientChip chip, int offset, float x, float y) { 1824 if (chip.isSelected()) { 1825 if (isInDelete(chip, offset, x, y)) { 1826 removeChip(chip); 1827 } else { 1828 clearSelectedChip(); 1829 } 1830 } 1831 } 1832 1833 private boolean chipsPending() { 1834 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1835 } 1836 1837 @Override 1838 public void removeTextChangedListener(TextWatcher watcher) { 1839 mTextWatcher = null; 1840 super.removeTextChangedListener(watcher); 1841 } 1842 1843 private class RecipientTextWatcher implements TextWatcher { 1844 @Override 1845 public void afterTextChanged(Editable s) { 1846 // If the text has been set to null or empty, make sure we remove 1847 // all the spans we applied. 1848 if (TextUtils.isEmpty(s)) { 1849 // Remove all the chips spans. 1850 Spannable spannable = getSpannable(); 1851 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1852 RecipientChip.class); 1853 for (RecipientChip chip : chips) { 1854 spannable.removeSpan(chip); 1855 } 1856 if (mMoreChip != null) { 1857 spannable.removeSpan(mMoreChip); 1858 } 1859 return; 1860 } 1861 // Get whether there are any recipients pending addition to the 1862 // view. If there are, don't do anything in the text watcher. 1863 if (chipsPending()) { 1864 return; 1865 } 1866 // If the user is editing a chip, don't clear it. 1867 if (mSelectedChip != null 1868 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1869 setCursorVisible(true); 1870 setSelection(getText().length()); 1871 clearSelectedChip(); 1872 } 1873 int length = s.length(); 1874 // Make sure there is content there to parse and that it is 1875 // not just the commit character. 1876 if (length > 1) { 1877 char last; 1878 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1879 int len = length() - 1; 1880 if (end != len) { 1881 last = s.charAt(end); 1882 } else { 1883 last = s.charAt(len); 1884 } 1885 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1886 commitByCharacter(); 1887 } else if (last == COMMIT_CHAR_SPACE) { 1888 // Check if this is a valid email address. If it is, 1889 // commit it. 1890 String text = getText().toString(); 1891 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1892 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1893 tokenStart)); 1894 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1895 commitByCharacter(); 1896 } 1897 } 1898 } 1899 } 1900 1901 @Override 1902 public void onTextChanged(CharSequence s, int start, int before, int count) { 1903 // Do nothing. 1904 } 1905 1906 @Override 1907 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1908 // Do nothing. 1909 } 1910 } 1911 1912 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 1913 private RecipientChip createFreeChip(RecipientEntry entry) { 1914 try { 1915 return constructChipSpan(entry, -1, false); 1916 } catch (NullPointerException e) { 1917 Log.e(TAG, e.getMessage(), e); 1918 return null; 1919 } 1920 } 1921 1922 @Override 1923 protected Void doInBackground(Void... params) { 1924 if (mIndividualReplacements != null) { 1925 mIndividualReplacements.cancel(true); 1926 } 1927 // For each chip in the list, look up the matching contact. 1928 // If there is a match, replace that chip with the matching 1929 // chip. 1930 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 1931 RecipientChip[] existingChips = getSortedRecipients(); 1932 for (int i = 0; i < existingChips.length; i++) { 1933 originalRecipients.add(existingChips[i]); 1934 } 1935 if (mRemovedSpans != null) { 1936 originalRecipients.addAll(mRemovedSpans); 1937 } 1938 String[] addresses = new String[originalRecipients.size()]; 1939 for (int i = 0; i < originalRecipients.size(); i++) { 1940 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1941 } 1942 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1943 .getMatchingRecipients(getContext(), addresses); 1944 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 1945 for (final RecipientChip temp : originalRecipients) { 1946 RecipientEntry entry = null; 1947 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1948 && getSpannable().getSpanStart(temp) != -1) { 1949 // Replace this. 1950 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 1951 .getDestination()))); 1952 } 1953 if (entry != null) { 1954 replacements.add(createFreeChip(entry)); 1955 } else { 1956 replacements.add(temp); 1957 } 1958 } 1959 if (replacements != null && replacements.size() > 0) { 1960 mHandler.post(new Runnable() { 1961 @Override 1962 public void run() { 1963 SpannableStringBuilder text = new SpannableStringBuilder(getText() 1964 .toString()); 1965 Editable oldText = getText(); 1966 int start, end; 1967 int i = 0; 1968 for (RecipientChip chip : originalRecipients) { 1969 start = oldText.getSpanStart(chip); 1970 if (start != -1) { 1971 end = oldText.getSpanEnd(chip); 1972 text.removeSpan(chip); 1973 // Leave a spot for the space! 1974 RecipientChip replacement = replacements.get(i); 1975 text.setSpan(replacement, start, end, 1976 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1977 replacement.setOriginalText(text.toString().substring(start, end)); 1978 } 1979 i++; 1980 } 1981 Editable editable = getText(); 1982 editable.clear(); 1983 editable.insert(0, text); 1984 originalRecipients.clear(); 1985 } 1986 }); 1987 } 1988 return null; 1989 } 1990 } 1991 1992 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 1993 @SuppressWarnings("unchecked") 1994 @Override 1995 protected Void doInBackground(Object... params) { 1996 // For each chip in the list, look up the matching contact. 1997 // If there is a match, replace that chip with the matching 1998 // chip. 1999 final ArrayList<RecipientChip> originalRecipients = 2000 (ArrayList<RecipientChip>) params[0]; 2001 String[] addresses = new String[originalRecipients.size()]; 2002 for (int i = 0; i < originalRecipients.size(); i++) { 2003 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 2004 } 2005 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2006 .getMatchingRecipients(getContext(), addresses); 2007 for (final RecipientChip temp : originalRecipients) { 2008 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2009 && getSpannable().getSpanStart(temp) != -1) { 2010 // Replace this. 2011 final RecipientEntry entry = createValidatedEntry(entries 2012 .get(tokenizeAddress(temp.getEntry().getDestination()))); 2013 if (entry != null) { 2014 mHandler.post(new Runnable() { 2015 @Override 2016 public void run() { 2017 replaceChip(temp, entry); 2018 } 2019 }); 2020 } 2021 } 2022 } 2023 return null; 2024 } 2025 } 2026 2027 2028 /** 2029 * MoreImageSpan is a simple class created for tracking the existence of a 2030 * more chip across activity restarts/ 2031 */ 2032 private class MoreImageSpan extends ImageSpan { 2033 public MoreImageSpan(Drawable b) { 2034 super(b); 2035 } 2036 } 2037 2038 @Override 2039 public boolean onDown(MotionEvent e) { 2040 return false; 2041 } 2042 2043 @Override 2044 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2045 // Do nothing. 2046 return false; 2047 } 2048 2049 @Override 2050 public void onLongPress(MotionEvent event) { 2051 if (mSelectedChip != null) { 2052 return; 2053 } 2054 float x = event.getX(); 2055 float y = event.getY(); 2056 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2057 RecipientChip currentChip = findChip(offset); 2058 if (currentChip != null) { 2059 // Copy the selected chip email address. 2060 showCopyDialog(currentChip.getEntry().getDestination()); 2061 } 2062 } 2063 2064 private void showCopyDialog(final String address) { 2065 mCopyAddress = address; 2066 mCopyDialog.setTitle(address); 2067 mCopyDialog.setContentView(mCopyViewRes); 2068 mCopyDialog.setCancelable(true); 2069 mCopyDialog.setCanceledOnTouchOutside(true); 2070 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 2071 mCopyDialog.setOnDismissListener(this); 2072 mCopyDialog.show(); 2073 } 2074 2075 @Override 2076 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2077 // Do nothing. 2078 return false; 2079 } 2080 2081 @Override 2082 public void onShowPress(MotionEvent e) { 2083 // Do nothing. 2084 } 2085 2086 @Override 2087 public boolean onSingleTapUp(MotionEvent e) { 2088 // Do nothing. 2089 return false; 2090 } 2091 2092 @Override 2093 public void onDismiss(DialogInterface dialog) { 2094 mCopyAddress = null; 2095 } 2096 2097 @Override 2098 public void onClick(View v) { 2099 // Copy this to the clipboard. 2100 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2101 Context.CLIPBOARD_SERVICE); 2102 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2103 mCopyDialog.dismiss(); 2104 } 2105} 2106