RecipientEditTextView.java revision db1ca655cdbd92286b2f7dc942f504a50c491100
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 * Convenience method: Append the specified text slice to the TextView's 283 * display buffer, upgrading it to BufferType.EDITABLE if it was 284 * not already editable. Commas are excluded as they are added automatically 285 * by the view. 286 */ 287 @Override 288 public void append(CharSequence text, int start, int end) { 289 // We don't care about watching text changes while appending. 290 if (mTextWatcher != null) { 291 removeTextChangedListener(mTextWatcher); 292 } 293 super.append(text, start, end); 294 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 295 final String displayString = (String) text; 296 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 297 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 298 && TextUtils.getTrimmedLength(displayString) > 0) { 299 mPendingChipsCount++; 300 mPendingChips.add((String)text); 301 } 302 } 303 // Put a message on the queue to make sure we ALWAYS handle pending chips. 304 if (mPendingChipsCount > 0) { 305 postHandlePendingChips(); 306 } 307 mHandler.post(mAddTextWatcher); 308 } 309 310 @Override 311 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 312 super.onFocusChanged(hasFocus, direction, previous); 313 if (!hasFocus) { 314 shrink(); 315 } else { 316 expand(); 317 scrollLineIntoView(getLineCount()); 318 } 319 } 320 321 @Override 322 public void performValidation() { 323 // Do nothing. Chips handles its own validation. 324 } 325 326 private void shrink() { 327 if (mSelectedChip != null 328 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 329 clearSelectedChip(); 330 } else { 331 if (getWidth() <= 0) { 332 // We don't have the width yet which means the view hasn't been drawn yet 333 // and there is no reason to attempt to commit chips yet. 334 // This focus lost must be the result of an orientation change 335 // or an initial rendering. 336 // Re-post the shrink for later. 337 mHandler.removeCallbacks(mDelayedShrink); 338 mHandler.post(mDelayedShrink); 339 return; 340 } 341 // Reset any pending chips as they would have been handled 342 // when the field lost focus. 343 if (mPendingChipsCount > 0) { 344 postHandlePendingChips(); 345 } else { 346 Editable editable = getText(); 347 int end = getSelectionEnd(); 348 int start = mTokenizer.findTokenStart(editable, end); 349 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 350 if ((chips == null || chips.length == 0)) { 351 Editable text = getText(); 352 int whatEnd = mTokenizer.findTokenEnd(text, start); 353 // This token was already tokenized, so skip past the ending token. 354 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 355 whatEnd++; 356 } 357 // In the middle of chip; treat this as an edit 358 // and commit the whole token. 359 int selEnd = getSelectionEnd(); 360 if (whatEnd != selEnd && whatEnd != editable.toString().trim().length()) { 361 handleEdit(start, whatEnd); 362 } else { 363 commitChip(start, end, editable); 364 } 365 } 366 } 367 mHandler.post(mAddTextWatcher); 368 } 369 createMoreChip(); 370 } 371 372 private void expand() { 373 removeMoreChip(); 374 setCursorVisible(true); 375 Editable text = getText(); 376 setSelection(text != null && text.length() > 0 ? text.length() : 0); 377 // If there are any temporary chips, try replacing them now that the user 378 // has expanded the field. 379 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 380 new RecipientReplacementTask().execute(); 381 mTemporaryRecipients = null; 382 } 383 } 384 385 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 386 paint.setTextSize(mChipFontSize); 387 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 388 Log.d(TAG, "Max width is negative: " + maxWidth); 389 } 390 return TextUtils.ellipsize(text, paint, maxWidth, 391 TextUtils.TruncateAt.END); 392 } 393 394 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 395 // Ellipsize the text so that it takes AT MOST the entire width of the 396 // autocomplete text entry area. Make sure to leave space for padding 397 // on the sides. 398 int height = (int) mChipHeight; 399 int deleteWidth = height; 400 CharSequence ellipsizedText = ellipsizeText(contact.getDisplayName(), paint, 401 calculateAvailableWidth(true) - deleteWidth); 402 403 // Make sure there is a minimum chip width so the user can ALWAYS 404 // tap a chip without difficulty. 405 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 406 ellipsizedText.length())) 407 + (mChipPadding * 2) + deleteWidth); 408 409 // Create the background of the chip. 410 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 411 Canvas canvas = new Canvas(tmpBitmap); 412 if (mChipBackgroundPressed != null) { 413 mChipBackgroundPressed.setBounds(0, 0, width, height); 414 mChipBackgroundPressed.draw(canvas); 415 paint.setColor(sSelectedTextColor); 416 // Vertically center the text in the chip. 417 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 418 getTextYOffset((String) ellipsizedText, paint, height), paint); 419 // Make the delete a square. 420 Rect backgroundPadding = new Rect(); 421 mChipBackgroundPressed.getPadding(backgroundPadding); 422 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 423 0 + backgroundPadding.top, 424 width - backgroundPadding.right, 425 height - backgroundPadding.bottom); 426 mChipDelete.draw(canvas); 427 } else { 428 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 429 } 430 return tmpBitmap; 431 } 432 433 /** 434 * Get the background drawable for a RecipientChip. 435 */ 436 public Drawable getChipBackground(RecipientEntry contact) { 437 String destination = contact.getDestination(); 438 return (mValidator != null && !TextUtils.isEmpty(destination) && mValidator 439 .isValid(destination)) ? mChipBackground : mInvalidChipBackground; 440 } 441 442 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 443 // Ellipsize the text so that it takes AT MOST the entire width of the 444 // autocomplete text entry area. Make sure to leave space for padding 445 // on the sides. 446 int height = (int) mChipHeight; 447 int iconWidth = height; 448 String displayText = 449 !TextUtils.isEmpty(contact.getDisplayName()) ? contact.getDisplayName() : 450 !TextUtils.isEmpty(contact.getDestination()) ? contact.getDestination() : ""; 451 CharSequence ellipsizedText = ellipsizeText(displayText, paint, 452 calculateAvailableWidth(false) - iconWidth); 453 // Make sure there is a minimum chip width so the user can ALWAYS 454 // tap a chip without difficulty. 455 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 456 ellipsizedText.length())) 457 + (mChipPadding * 2) + iconWidth); 458 459 // Create the background of the chip. 460 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 461 Canvas canvas = new Canvas(tmpBitmap); 462 Drawable background = getChipBackground(contact); 463 if (background != null) { 464 background.setBounds(0, 0, width, height); 465 background.draw(canvas); 466 467 // Don't draw photos for recipients that have been typed in. 468 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 469 byte[] photoBytes = contact.getPhotoBytes(); 470 // There may not be a photo yet if anything but the first contact address 471 // was selected. 472 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 473 // TODO: cache this in the recipient entry? 474 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 475 .getPhotoThumbnailUri()); 476 photoBytes = contact.getPhotoBytes(); 477 } 478 479 Bitmap photo; 480 if (photoBytes != null) { 481 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 482 } else { 483 // TODO: can the scaled down default photo be cached? 484 photo = mDefaultContactPhoto; 485 } 486 // Draw the photo on the left side. 487 Matrix matrix = new Matrix(); 488 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 489 Rect backgroundPadding = new Rect(); 490 mChipBackground.getPadding(backgroundPadding); 491 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 492 0 + backgroundPadding.top, 493 width - backgroundPadding.right, 494 height - backgroundPadding.bottom); 495 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 496 canvas.drawBitmap(photo, matrix, paint); 497 } else { 498 // Don't leave any space for the icon. It isn't being drawn. 499 iconWidth = 0; 500 } 501 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 502 // Vertically center the text in the chip. 503 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 504 getTextYOffset((String)ellipsizedText, paint, height), paint); 505 } else { 506 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 507 } 508 return tmpBitmap; 509 } 510 511 private float getTextYOffset(String text, TextPaint paint, int height) { 512 Rect bounds = new Rect(); 513 paint.getTextBounds((String)text, 0, text.length(), bounds); 514 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 515 return height - ((height - textHeight) / 2); 516 } 517 518 public RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 519 throws NullPointerException { 520 if (mChipBackground == null) { 521 throw new NullPointerException( 522 "Unable to render any chips as setChipDimensions was not called."); 523 } 524 Layout layout = getLayout(); 525 526 TextPaint paint = getPaint(); 527 float defaultSize = paint.getTextSize(); 528 int defaultColor = paint.getColor(); 529 530 Bitmap tmpBitmap; 531 if (pressed) { 532 tmpBitmap = createSelectedChip(contact, paint, layout); 533 534 } else { 535 tmpBitmap = createUnselectedChip(contact, paint, layout); 536 } 537 538 // Pass the full text, un-ellipsized, to the chip. 539 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 540 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 541 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 542 // Return text to the original size. 543 paint.setTextSize(defaultSize); 544 paint.setColor(defaultColor); 545 return recipientChip; 546 } 547 548 /** 549 * Calculate the bottom of the line the chip will be located on using: 550 * 1) which line the chip appears on 551 * 2) the height of a chip 552 * 3) padding built into the edit text view 553 */ 554 private int calculateOffsetFromBottom(int line) { 555 // Line offsets start at zero. 556 int actualLine = getLineCount() - (line + 1); 557 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 558 + getDropDownVerticalOffset(); 559 } 560 561 /** 562 * Get the max amount of space a chip can take up. The formula takes into 563 * account the width of the EditTextView, any view padding, and padding 564 * that will be added to the chip. 565 */ 566 private float calculateAvailableWidth(boolean pressed) { 567 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 568 } 569 570 /** 571 * Set all chip dimensions and resources. This has to be done from the 572 * application as this is a static library. 573 * @param chipBackground 574 * @param chipBackgroundPressed 575 * @param invalidChip 576 * @param chipDelete 577 * @param defaultContact 578 * @param moreResource 579 * @param alternatesLayout 580 * @param chipHeight 581 * @param padding Padding around the text in a chip 582 * @param chipFontSize 583 * @param copyViewRes 584 */ 585 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 586 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 587 int alternatesLayout, float chipHeight, float padding, 588 float chipFontSize, int copyViewRes) { 589 mChipBackground = chipBackground; 590 mChipBackgroundPressed = chipBackgroundPressed; 591 mChipDelete = chipDelete; 592 mChipPadding = (int) padding; 593 mAlternatesLayout = alternatesLayout; 594 mDefaultContactPhoto = defaultContact; 595 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 596 mChipHeight = chipHeight; 597 mChipFontSize = chipFontSize; 598 mInvalidChipBackground = invalidChip; 599 mCopyViewRes = copyViewRes; 600 } 601 602 // Visible for testing. 603 /* package */ void setMoreItem(TextView moreItem) { 604 mMoreItem = moreItem; 605 } 606 607 /** 608 * Set whether to shrink the recipients field such that at most 609 * one line of recipients chips are shown when the field loses 610 * focus. By default, the number of displayed recipients will be 611 * limited and a "more" chip will be shown when focus is lost. 612 * @param shrink 613 */ 614 public void setOnFocusListShrinkRecipients(boolean shrink) { 615 mShouldShrink = shrink; 616 } 617 618 @Override 619 public void onSizeChanged(int width, int height, int oldw, int oldh) { 620 super.onSizeChanged(width, height, oldw, oldh); 621 if (width != 0 && height != 0) { 622 if (mPendingChipsCount > 0) { 623 postHandlePendingChips(); 624 } else { 625 checkChipWidths(); 626 } 627 } 628 // Try to find the scroll view parent, if it exists. 629 if (mScrollView == null && !mTried) { 630 ViewParent parent = getParent(); 631 while (parent != null && !(parent instanceof ScrollView)) { 632 parent = parent.getParent(); 633 } 634 if (parent != null) { 635 mScrollView = (ScrollView) parent; 636 } 637 mTried = true; 638 } 639 } 640 641 private void postHandlePendingChips() { 642 mHandler.removeCallbacks(mHandlePendingChips); 643 mHandler.post(mHandlePendingChips); 644 } 645 646 private void checkChipWidths() { 647 // Check the widths of the associated chips. 648 RecipientChip[] chips = getSortedRecipients(); 649 if (chips != null) { 650 Rect bounds; 651 for (RecipientChip chip : chips) { 652 bounds = chip.getDrawable().getBounds(); 653 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 654 // Need to redraw that chip. 655 replaceChip(chip, chip.getEntry()); 656 } 657 } 658 } 659 } 660 661 private void handlePendingChips() { 662 if (getWidth() <= 0) { 663 // The widget has not been sized yet. 664 // This will be called as a result of onSizeChanged 665 // at a later point. 666 return; 667 } 668 669 if (mPendingChipsCount <= 0) { 670 return; 671 } 672 673 synchronized (mPendingChips) { 674 Editable editable = getText(); 675 // Tokenize! 676 for (int i = 0; i < mPendingChips.size(); i++) { 677 String current = mPendingChips.get(i); 678 int tokenStart = editable.toString().indexOf(current); 679 int tokenEnd = tokenStart + current.length(); 680 if (tokenStart >= 0) { 681 // When we have a valid token, include it with the token 682 // to the left. 683 if (tokenEnd < editable.length() - 2 684 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 685 tokenEnd++; 686 } 687 createReplacementChip(tokenStart, tokenEnd, editable); 688 } 689 mPendingChipsCount--; 690 } 691 sanitizeSpannable(); 692 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 693 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 694 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 695 new RecipientReplacementTask().execute(); 696 mTemporaryRecipients = null; 697 } else { 698 // Create the "more" chip 699 mIndividualReplacements = new IndividualReplacementTask(); 700 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 701 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 702 703 createMoreChip(); 704 } 705 } else { 706 // There are too many recipients to look up, so just fall back 707 // to showing addresses for all of them. 708 mTemporaryRecipients = null; 709 createMoreChip(); 710 } 711 mPendingChipsCount = 0; 712 mPendingChips.clear(); 713 } 714 } 715 716 /** 717 * Remove any characters after the last valid chip. 718 */ 719 private void sanitizeSpannable() { 720 // Find the last chip; eliminate any commit characters after it. 721 RecipientChip[] chips = getRecipients(); 722 if (chips != null && chips.length > 0) { 723 int end; 724 ImageSpan lastSpan; 725 mMoreChip = getMoreChip(); 726 if (mMoreChip != null) { 727 lastSpan = mMoreChip; 728 } else { 729 lastSpan = chips[chips.length - 1]; 730 } 731 end = getSpannable().getSpanEnd(lastSpan); 732 Editable editable = getText(); 733 int length = editable.length(); 734 if (length > end) { 735 // See what characters occur after that and eliminate them. 736 if (Log.isLoggable(TAG, Log.DEBUG)) { 737 Log.d(TAG, "There were extra characters after the last tokenizable entry." 738 + editable); 739 } 740 editable.delete(end + 1, length); 741 } 742 } 743 } 744 745 /** 746 * Create a chip that represents just the email address of a recipient. At some later 747 * point, this chip will be attached to a real contact entry, if one exists. 748 */ 749 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 750 if (alreadyHasChip(tokenStart, tokenEnd)) { 751 // There is already a chip present at this location. 752 // Don't recreate it. 753 return; 754 } 755 String token = editable.toString().substring(tokenStart, tokenEnd); 756 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 757 if (commitCharIndex == token.length() - 1) { 758 token = token.substring(0, token.length() - 1); 759 } 760 RecipientEntry entry = createTokenizedEntry(token); 761 if (entry != null) { 762 String destText = createDisplayText(entry); 763 // Always leave a blank space at the end of a chip. 764 int textLength = destText.length(); 765 SpannableString chipText = new SpannableString(destText); 766 int end = getSelectionEnd(); 767 int start = mTokenizer.findTokenStart(getText(), end); 768 RecipientChip chip = null; 769 try { 770 chip = constructChipSpan(entry, start, false); 771 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 772 } catch (NullPointerException e) { 773 Log.e(TAG, e.getMessage(), e); 774 } 775 editable.replace(tokenStart, tokenEnd, chipText); 776 // Add this chip to the list of entries "to replace" 777 if (chip != null) { 778 if (mTemporaryRecipients == null) { 779 mTemporaryRecipients = new ArrayList<RecipientChip>(); 780 } 781 chip.setOriginalText(chipText.toString()); 782 mTemporaryRecipients.add(chip); 783 } 784 } 785 } 786 787 private RecipientEntry createTokenizedEntry(String token) { 788 if (TextUtils.isEmpty(token)) { 789 return null; 790 } 791 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 792 String display = null; 793 if (isValid(token) && tokens != null && tokens.length > 0) { 794 // If we can get a name from tokenizing, then generate an entry from 795 // this. 796 display = tokens[0].getName(); 797 if (!TextUtils.isEmpty(display)) { 798 return RecipientEntry.constructGeneratedEntry(display, token); 799 } else { 800 display = tokens[0].getAddress(); 801 if (!TextUtils.isEmpty(display)) { 802 return RecipientEntry.constructFakeEntry(display); 803 } 804 } 805 } 806 // Unable to validate the token or to create a valid token from it. 807 // Just create a chip the user can edit. 808 String validatedToken = null; 809 if (mValidator != null && !mValidator.isValid(token)) { 810 // Try fixing up the entry using the validator. 811 validatedToken = mValidator.fixText(token).toString(); 812 if (!TextUtils.isEmpty(validatedToken)) { 813 if (validatedToken.contains(token)) { 814 // protect against the case of a validator with a null domain, 815 // which doesn't add a domain to the token 816 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 817 if (tokenized.length > 0) { 818 validatedToken = tokenized[0].getAddress(); 819 } 820 } else { 821 // We ran into a case where the token was invalid and removed 822 // by the validator. In this case, just use the original token 823 // and let the user sort out the error chip. 824 validatedToken = null; 825 } 826 } 827 } 828 // Otherwise, fallback to just creating an editable email address chip. 829 return RecipientEntry 830 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 831 } 832 833 private boolean isValid(String text) { 834 return mValidator == null ? true : mValidator.isValid(text); 835 } 836 837 private String tokenizeAddress(String destination) { 838 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 839 if (tokens != null && tokens.length > 0) { 840 return tokens[0].getAddress(); 841 } 842 return destination; 843 } 844 845 @Override 846 public void setTokenizer(Tokenizer tokenizer) { 847 mTokenizer = tokenizer; 848 super.setTokenizer(mTokenizer); 849 } 850 851 @Override 852 public void setValidator(Validator validator) { 853 mValidator = validator; 854 super.setValidator(validator); 855 } 856 857 /** 858 * We cannot use the default mechanism for replaceText. Instead, 859 * we override onItemClickListener so we can get all the associated 860 * contact information including display text, address, and id. 861 */ 862 @Override 863 protected void replaceText(CharSequence text) { 864 return; 865 } 866 867 /** 868 * Dismiss any selected chips when the back key is pressed. 869 */ 870 @Override 871 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 872 if (keyCode == KeyEvent.KEYCODE_BACK) { 873 clearSelectedChip(); 874 } 875 return super.onKeyPreIme(keyCode, event); 876 } 877 878 /** 879 * Monitor key presses in this view to see if the user types 880 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 881 * If the user has entered text that has contact matches and types 882 * a commit key, create a chip from the topmost matching contact. 883 * If the user has entered text that has no contact matches and types 884 * a commit key, then create a chip from the text they have entered. 885 */ 886 @Override 887 public boolean onKeyUp(int keyCode, KeyEvent event) { 888 switch (keyCode) { 889 case KeyEvent.KEYCODE_ENTER: 890 case KeyEvent.KEYCODE_DPAD_CENTER: 891 if (event.hasNoModifiers()) { 892 if (commitDefault()) { 893 return true; 894 } 895 if (mSelectedChip != null) { 896 clearSelectedChip(); 897 return true; 898 } else if (focusNext()) { 899 return true; 900 } 901 } 902 break; 903 case KeyEvent.KEYCODE_TAB: 904 if (event.hasNoModifiers()) { 905 if (mSelectedChip != null) { 906 clearSelectedChip(); 907 } else { 908 commitDefault(); 909 } 910 if (focusNext()) { 911 return true; 912 } 913 } 914 } 915 return super.onKeyUp(keyCode, event); 916 } 917 918 private boolean focusNext() { 919 View next = focusSearch(View.FOCUS_DOWN); 920 if (next != null) { 921 next.requestFocus(); 922 return true; 923 } 924 return false; 925 } 926 927 /** 928 * Create a chip from the default selection. If the popup is showing, the 929 * default is the first item in the popup suggestions list. Otherwise, it is 930 * whatever the user had typed in. End represents where the the tokenizer 931 * should search for a token to turn into a chip. 932 * @return If a chip was created from a real contact. 933 */ 934 private boolean commitDefault() { 935 Editable editable = getText(); 936 int end = getSelectionEnd(); 937 int start = mTokenizer.findTokenStart(editable, end); 938 939 if (shouldCreateChip(start, end)) { 940 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 941 // In the middle of chip; treat this as an edit 942 // and commit the whole token. 943 if (whatEnd != getSelectionEnd()) { 944 handleEdit(start, whatEnd); 945 return true; 946 } 947 return commitChip(start, end , editable); 948 } 949 return false; 950 } 951 952 private void commitByCharacter() { 953 Editable editable = getText(); 954 int end = getSelectionEnd(); 955 int start = mTokenizer.findTokenStart(editable, end); 956 if (shouldCreateChip(start, end)) { 957 commitChip(start, end, editable); 958 } 959 setSelection(getText().length()); 960 } 961 962 private boolean commitChip(int start, int end, Editable editable) { 963 if (getAdapter().getCount() > 0 && enoughToFilter()) { 964 // choose the first entry. 965 submitItemAtPosition(0); 966 dismissDropDown(); 967 return true; 968 } else { 969 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 970 if (editable.length() > tokenEnd && editable.charAt(tokenEnd) == ',') { 971 tokenEnd++; 972 } 973 String text = editable.toString().substring(start, tokenEnd); 974 clearComposingText(); 975 if (text != null && text.length() > 0 && !text.equals(" ")) { 976 RecipientEntry entry = createTokenizedEntry(text); 977 if (entry != null) { 978 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 979 CharSequence chipText = createChip(entry, false); 980 if (chipText != null) { 981 editable.replace(start, end, chipText); 982 } 983 } 984 dismissDropDown(); 985 sanitizeBetween(); 986 return true; 987 } 988 } 989 return false; 990 } 991 992 // Visible for testing. 993 /* package */ void sanitizeBetween() { 994 // Find the last chip. 995 RecipientChip[] recips = getSortedRecipients(); 996 if (recips != null && recips.length > 0) { 997 RecipientChip last = recips[recips.length - 1]; 998 RecipientChip beforeLast = null; 999 if (recips.length > 1) { 1000 beforeLast = recips[recips.length - 2]; 1001 } 1002 int startLooking = 0; 1003 int end = getSpannable().getSpanStart(last); 1004 if (beforeLast != null) { 1005 startLooking = getSpannable().getSpanEnd(beforeLast); 1006 Editable text = getText(); 1007 if (startLooking == -1 || startLooking > text.length() - 1) { 1008 // There is nothing after this chip. 1009 return; 1010 } 1011 if (text.charAt(startLooking) == ' ') { 1012 startLooking++; 1013 } 1014 } 1015 if (startLooking >= 0 && end >= 0 && startLooking != end) { 1016 getText().delete(startLooking, end); 1017 } 1018 } 1019 } 1020 1021 private boolean shouldCreateChip(int start, int end) { 1022 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1023 } 1024 1025 private boolean alreadyHasChip(int start, int end) { 1026 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1027 if ((chips == null || chips.length == 0)) { 1028 return false; 1029 } 1030 return true; 1031 } 1032 1033 private void handleEdit(int start, int end) { 1034 if (start == -1 || end == -1) { 1035 // This chip no longer exists in the field. 1036 dismissDropDown(); 1037 return; 1038 } 1039 // This is in the middle of a chip, so select out the whole chip 1040 // and commit it. 1041 Editable editable = getText(); 1042 setSelection(end); 1043 String text = getText().toString().substring(start, end); 1044 if (!TextUtils.isEmpty(text)) { 1045 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1046 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1047 CharSequence chipText = createChip(entry, false); 1048 editable.replace(start, getSelectionEnd(), chipText); 1049 } 1050 dismissDropDown(); 1051 } 1052 1053 /** 1054 * If there is a selected chip, delegate the key events 1055 * to the selected chip. 1056 */ 1057 @Override 1058 public boolean onKeyDown(int keyCode, KeyEvent event) { 1059 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1060 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1061 mAlternatesPopup.dismiss(); 1062 } 1063 removeChip(mSelectedChip); 1064 } 1065 1066 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1067 return true; 1068 } 1069 1070 return super.onKeyDown(keyCode, event); 1071 } 1072 1073 // Visible for testing. 1074 /* package */ Spannable getSpannable() { 1075 return getText(); 1076 } 1077 1078 private int getChipStart(RecipientChip chip) { 1079 return getSpannable().getSpanStart(chip); 1080 } 1081 1082 private int getChipEnd(RecipientChip chip) { 1083 return getSpannable().getSpanEnd(chip); 1084 } 1085 1086 /** 1087 * Instead of filtering on the entire contents of the edit box, 1088 * this subclass method filters on the range from 1089 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1090 * if the length of that range meets or exceeds {@link #getThreshold} 1091 * and makes sure that the range is not already a Chip. 1092 */ 1093 @Override 1094 protected void performFiltering(CharSequence text, int keyCode) { 1095 if (enoughToFilter()) { 1096 int end = getSelectionEnd(); 1097 int start = mTokenizer.findTokenStart(text, end); 1098 // If this is a RecipientChip, don't filter 1099 // on its contents. 1100 Spannable span = getSpannable(); 1101 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1102 if (chips != null && chips.length > 0) { 1103 return; 1104 } 1105 } 1106 super.performFiltering(text, keyCode); 1107 } 1108 1109 private void clearSelectedChip() { 1110 if (mSelectedChip != null) { 1111 unselectChip(mSelectedChip); 1112 mSelectedChip = null; 1113 } 1114 setCursorVisible(true); 1115 } 1116 1117 /** 1118 * Monitor touch events in the RecipientEditTextView. 1119 * If the view does not have focus, any tap on the view 1120 * will just focus the view. If the view has focus, determine 1121 * if the touch target is a recipient chip. If it is and the chip 1122 * is not selected, select it and clear any other selected chips. 1123 * If it isn't, then select that chip. 1124 */ 1125 @Override 1126 public boolean onTouchEvent(MotionEvent event) { 1127 if (!isFocused()) { 1128 // Ignore any chip taps until this view is focused. 1129 return super.onTouchEvent(event); 1130 } 1131 boolean handled = super.onTouchEvent(event); 1132 int action = event.getAction(); 1133 boolean chipWasSelected = false; 1134 if (mSelectedChip == null) { 1135 mGestureDetector.onTouchEvent(event); 1136 } 1137 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1138 float x = event.getX(); 1139 float y = event.getY(); 1140 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1141 RecipientChip currentChip = findChip(offset); 1142 if (currentChip != null) { 1143 if (action == MotionEvent.ACTION_UP) { 1144 if (mSelectedChip != null && mSelectedChip != currentChip) { 1145 clearSelectedChip(); 1146 mSelectedChip = selectChip(currentChip); 1147 } else if (mSelectedChip == null) { 1148 setSelection(getText().length()); 1149 commitDefault(); 1150 mSelectedChip = selectChip(currentChip); 1151 } else { 1152 onClick(mSelectedChip, offset, x, y); 1153 } 1154 } 1155 chipWasSelected = true; 1156 handled = true; 1157 } else if (mSelectedChip != null 1158 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1159 chipWasSelected = true; 1160 } 1161 } 1162 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1163 clearSelectedChip(); 1164 } 1165 return handled; 1166 } 1167 1168 private void scrollLineIntoView(int line) { 1169 if (mScrollView != null) { 1170 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1171 } 1172 } 1173 1174 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1175 int width, Context context) { 1176 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1177 int bottom = calculateOffsetFromBottom(line); 1178 // Align the alternates popup with the left side of the View, 1179 // regardless of the position of the chip tapped. 1180 alternatesPopup.setWidth(width); 1181 setEnabled(false); 1182 alternatesPopup.setAnchorView(this); 1183 alternatesPopup.setVerticalOffset(bottom); 1184 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1185 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1186 // Clear the checked item. 1187 mCheckedItem = -1; 1188 alternatesPopup.show(); 1189 ListView listView = alternatesPopup.getListView(); 1190 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1191 // Checked item would be -1 if the adapter has not 1192 // loaded the view that should be checked yet. The 1193 // variable will be set correctly when onCheckedItemChanged 1194 // is called in a separate thread. 1195 if (mCheckedItem != -1) { 1196 listView.setItemChecked(mCheckedItem, true); 1197 mCheckedItem = -1; 1198 } 1199 } 1200 1201 // Dismiss listener for alterns and single address popup. 1202 @Override 1203 public void onDismiss() { 1204 setEnabled(true); 1205 } 1206 1207 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1208 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1209 mAlternatesLayout, this); 1210 } 1211 1212 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1213 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1214 .getEntry()); 1215 } 1216 1217 @Override 1218 public void onCheckedItemChanged(int position) { 1219 ListView listView = mAlternatesPopup.getListView(); 1220 if (listView != null && listView.getCheckedItemCount() == 0) { 1221 listView.setItemChecked(position, true); 1222 } 1223 mCheckedItem = position; 1224 } 1225 1226 // TODO: This algorithm will need a lot of tweaking after more people have used 1227 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1228 // what comes before the finger. 1229 private int putOffsetInRange(int o) { 1230 int offset = o; 1231 Editable text = getText(); 1232 int length = text.length(); 1233 // Remove whitespace from end to find "real end" 1234 int realLength = length; 1235 for (int i = length - 1; i >= 0; i--) { 1236 if (text.charAt(i) == ' ') { 1237 realLength--; 1238 } else { 1239 break; 1240 } 1241 } 1242 1243 // If the offset is beyond or at the end of the text, 1244 // leave it alone. 1245 if (offset >= realLength) { 1246 return offset; 1247 } 1248 Editable editable = getText(); 1249 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1250 // Keep walking backward! 1251 offset--; 1252 } 1253 return offset; 1254 } 1255 1256 private int findText(Editable text, int offset) { 1257 if (text.charAt(offset) != ' ') { 1258 return offset; 1259 } 1260 return -1; 1261 } 1262 1263 private RecipientChip findChip(int offset) { 1264 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1265 // Find the chip that contains this offset. 1266 for (int i = 0; i < chips.length; i++) { 1267 RecipientChip chip = chips[i]; 1268 int start = getChipStart(chip); 1269 int end = getChipEnd(chip); 1270 if (offset >= start && offset <= end) { 1271 return chip; 1272 } 1273 } 1274 return null; 1275 } 1276 1277 // Visible for testing. 1278 /* package */ String createDisplayText(RecipientEntry entry) { 1279 String display = entry.getDisplayName(); 1280 String address = entry.getDestination(); 1281 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1282 display = null; 1283 } 1284 if (address != null) { 1285 // Tokenize out the address in case the address already 1286 // contained the username as well. 1287 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1288 if (tokenized != null && tokenized.length > 0) { 1289 address = tokenized[0].getAddress(); 1290 } 1291 } 1292 Rfc822Token token = new Rfc822Token(display, address, null); 1293 String displayText = token.toString(); 1294 String trimmedDisplayText = displayText.trim(); 1295 int index = trimmedDisplayText.indexOf(","); 1296 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1297 .terminateToken(displayText) : displayText; 1298 } 1299 1300 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1301 String displayText = createDisplayText(entry); 1302 // Always leave a blank space at the end of a chip. 1303 int textLength = displayText.length(); 1304 SpannableString chipText = new SpannableString(displayText); 1305 int end = getSelectionEnd(); 1306 int start = mTokenizer.findTokenStart(getText(), end); 1307 try { 1308 RecipientChip chip = constructChipSpan(entry, start, pressed); 1309 chipText.setSpan(chip, 0, textLength, 1310 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1311 chip.setOriginalText(chipText.toString()); 1312 } catch (NullPointerException e) { 1313 Log.e(TAG, e.getMessage(), e); 1314 return null; 1315 } 1316 1317 return chipText; 1318 } 1319 1320 /** 1321 * When an item in the suggestions list has been clicked, create a chip from the 1322 * contact information of the selected item. 1323 */ 1324 @Override 1325 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1326 submitItemAtPosition(position); 1327 } 1328 1329 private void submitItemAtPosition(int position) { 1330 RecipientEntry entry = createValidatedEntry( 1331 (RecipientEntry)getAdapter().getItem(position)); 1332 if (entry == null) { 1333 return; 1334 } 1335 clearComposingText(); 1336 1337 int end = getSelectionEnd(); 1338 int start = mTokenizer.findTokenStart(getText(), end); 1339 1340 Editable editable = getText(); 1341 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1342 CharSequence chip = createChip(entry, false); 1343 if (chip != null) { 1344 editable.replace(start, end, chip); 1345 } 1346 sanitizeBetween(); 1347 } 1348 1349 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1350 if (item == null) { 1351 return null; 1352 } 1353 final RecipientEntry entry; 1354 // If the display name and the address are the same, or if this is a 1355 // valid contact, but the destination is invalid, then make this a fake 1356 // recipient that is editable. 1357 String destination = item.getDestination(); 1358 if (TextUtils.isEmpty(item.getDisplayName()) 1359 || TextUtils.equals(item.getDisplayName(), destination) 1360 || (mValidator != null && !mValidator.isValid(destination))) { 1361 entry = RecipientEntry.constructFakeEntry(destination); 1362 } else { 1363 entry = item; 1364 } 1365 return entry; 1366 } 1367 1368 /** Returns a collection of contact Id for each chip inside this View. */ 1369 /* package */ Collection<Long> getContactIds() { 1370 final Set<Long> result = new HashSet<Long>(); 1371 RecipientChip[] chips = getRecipients(); 1372 if (chips != null) { 1373 for (RecipientChip chip : chips) { 1374 result.add(chip.getContactId()); 1375 } 1376 } 1377 return result; 1378 } 1379 1380 private RecipientChip[] getRecipients() { 1381 return getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1382 } 1383 1384 // Visible for testing. 1385 /* package */ RecipientChip[] getSortedRecipients() { 1386 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1387 .asList(getRecipients())); 1388 final Spannable spannable = getSpannable(); 1389 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1390 1391 @Override 1392 public int compare(RecipientChip first, RecipientChip second) { 1393 int firstStart = spannable.getSpanStart(first); 1394 int secondStart = spannable.getSpanStart(second); 1395 if (firstStart < secondStart) { 1396 return -1; 1397 } else if (firstStart > secondStart) { 1398 return 1; 1399 } else { 1400 return 0; 1401 } 1402 } 1403 }); 1404 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1405 } 1406 1407 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1408 /* package */ Collection<Long> getDataIds() { 1409 final Set<Long> result = new HashSet<Long>(); 1410 RecipientChip [] chips = getRecipients(); 1411 if (chips != null) { 1412 for (RecipientChip chip : chips) { 1413 result.add(chip.getDataId()); 1414 } 1415 } 1416 return result; 1417 } 1418 1419 1420 @Override 1421 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1422 return false; 1423 } 1424 1425 @Override 1426 public void onDestroyActionMode(ActionMode mode) { 1427 } 1428 1429 @Override 1430 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1431 return false; 1432 } 1433 1434 /** 1435 * No chips are selectable. 1436 */ 1437 @Override 1438 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1439 return false; 1440 } 1441 1442 // Visible for testing. 1443 /* package */ImageSpan getMoreChip() { 1444 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1445 MoreImageSpan.class); 1446 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1447 } 1448 1449 /** 1450 * Create the more chip. The more chip is text that replaces any chips that 1451 * do not fit in the pre-defined available space when the 1452 * RecipientEditTextView loses focus. 1453 */ 1454 // Visible for testing. 1455 /* package */ void createMoreChip() { 1456 if (!mShouldShrink) { 1457 return; 1458 } 1459 1460 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1461 if (tempMore.length > 0) { 1462 getSpannable().removeSpan(tempMore[0]); 1463 } 1464 RecipientChip[] recipients = getSortedRecipients(); 1465 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1466 mMoreChip = null; 1467 return; 1468 } 1469 Spannable spannable = getSpannable(); 1470 int numRecipients = recipients.length; 1471 int overage = numRecipients - CHIP_LIMIT; 1472 String moreText = String.format(mMoreItem.getText().toString(), overage); 1473 TextPaint morePaint = new TextPaint(getPaint()); 1474 morePaint.setTextSize(mMoreItem.getTextSize()); 1475 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1476 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1477 + mMoreItem.getPaddingRight(); 1478 int height = getLineHeight(); 1479 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1480 Canvas canvas = new Canvas(drawable); 1481 int adjustedHeight = height; 1482 Layout layout = getLayout(); 1483 if (layout != null) { 1484 adjustedHeight -= layout.getLineDescent(0); 1485 } 1486 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1487 1488 Drawable result = new BitmapDrawable(getResources(), drawable); 1489 result.setBounds(0, 0, width, height); 1490 MoreImageSpan moreSpan = new MoreImageSpan(result); 1491 // Remove the overage chips. 1492 if (recipients == null || recipients.length == 0) { 1493 Log.w(TAG, 1494 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1495 mMoreChip = null; 1496 return; 1497 } 1498 mRemovedSpans = new ArrayList<RecipientChip>(); 1499 int totalReplaceStart = 0; 1500 int totalReplaceEnd = 0; 1501 Editable text = getText(); 1502 for (int i = numRecipients - overage; i < recipients.length; i++) { 1503 mRemovedSpans.add(recipients[i]); 1504 if (i == numRecipients - overage) { 1505 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1506 } 1507 if (i == recipients.length - 1) { 1508 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1509 } 1510 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1511 int spanStart = spannable.getSpanStart(recipients[i]); 1512 int spanEnd = spannable.getSpanEnd(recipients[i]); 1513 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1514 } 1515 spannable.removeSpan(recipients[i]); 1516 } 1517 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1518 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1519 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1520 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1521 text.replace(start, end, chipText); 1522 mMoreChip = moreSpan; 1523 } 1524 1525 /** 1526 * Replace the more chip, if it exists, with all of the recipient chips it had 1527 * replaced when the RecipientEditTextView gains focus. 1528 */ 1529 // Visible for testing. 1530 /*package*/ void removeMoreChip() { 1531 if (mMoreChip != null) { 1532 Spannable span = getSpannable(); 1533 span.removeSpan(mMoreChip); 1534 mMoreChip = null; 1535 // Re-add the spans that were removed. 1536 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1537 // Recreate each removed span. 1538 RecipientChip[] recipients = getSortedRecipients(); 1539 // Start the search for tokens after the last currently visible 1540 // chip. 1541 if (recipients == null || recipients.length == 0) { 1542 return; 1543 } 1544 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1545 Editable editable = getText(); 1546 for (RecipientChip chip : mRemovedSpans) { 1547 int chipStart; 1548 int chipEnd; 1549 String token; 1550 // Need to find the location of the chip, again. 1551 token = (String) chip.getOriginalText(); 1552 // As we find the matching recipient for the remove spans, 1553 // reduce the size of the string we need to search. 1554 // That way, if there are duplicates, we always find the correct 1555 // recipient. 1556 chipStart = editable.toString().indexOf(token, end); 1557 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1558 // Only set the span if we found a matching token. 1559 if (chipStart != -1) { 1560 editable.setSpan(chip, chipStart, chipEnd, 1561 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1562 } 1563 } 1564 mRemovedSpans.clear(); 1565 } 1566 } 1567 } 1568 1569 /** 1570 * Show specified chip as selected. If the RecipientChip is just an email address, 1571 * selecting the chip will take the contents of the chip and place it at 1572 * the end of the RecipientEditTextView for inline editing. If the 1573 * RecipientChip is a complete contact, then selecting the chip 1574 * will change the background color of the chip, show the delete icon, 1575 * and a popup window with the address in use highlighted and any other 1576 * alternate addresses for the contact. 1577 * @param currentChip Chip to select. 1578 * @return A RecipientChip in the selected state or null if the chip 1579 * just contained an email address. 1580 */ 1581 public RecipientChip selectChip(RecipientChip currentChip) { 1582 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1583 CharSequence text = currentChip.getValue(); 1584 Editable editable = getText(); 1585 removeChip(currentChip); 1586 editable.append(text); 1587 setCursorVisible(true); 1588 setSelection(editable.length()); 1589 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1590 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1591 int start = getChipStart(currentChip); 1592 int end = getChipEnd(currentChip); 1593 getSpannable().removeSpan(currentChip); 1594 RecipientChip newChip; 1595 try { 1596 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1597 } catch (NullPointerException e) { 1598 Log.e(TAG, e.getMessage(), e); 1599 return null; 1600 } 1601 Editable editable = getText(); 1602 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1603 if (start == -1 || end == -1) { 1604 Log.d(TAG, "The chip being selected no longer exists but should."); 1605 } else { 1606 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1607 } 1608 newChip.setSelected(true); 1609 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1610 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1611 } 1612 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1613 setCursorVisible(false); 1614 return newChip; 1615 } else { 1616 int start = getChipStart(currentChip); 1617 int end = getChipEnd(currentChip); 1618 getSpannable().removeSpan(currentChip); 1619 RecipientChip newChip; 1620 try { 1621 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1622 } catch (NullPointerException e) { 1623 Log.e(TAG, e.getMessage(), e); 1624 return null; 1625 } 1626 Editable editable = getText(); 1627 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1628 if (start == -1 || end == -1) { 1629 Log.d(TAG, "The chip being selected no longer exists but should."); 1630 } else { 1631 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1632 } 1633 newChip.setSelected(true); 1634 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1635 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1636 } 1637 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1638 setCursorVisible(false); 1639 return newChip; 1640 } 1641 } 1642 1643 1644 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1645 int width, Context context) { 1646 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1647 int bottom = calculateOffsetFromBottom(line); 1648 // Align the alternates popup with the left side of the View, 1649 // regardless of the position of the chip tapped. 1650 setEnabled(false); 1651 popup.setWidth(width); 1652 popup.setAnchorView(this); 1653 popup.setVerticalOffset(bottom); 1654 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1655 popup.setOnItemClickListener(new OnItemClickListener() { 1656 @Override 1657 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1658 unselectChip(currentChip); 1659 popup.dismiss(); 1660 } 1661 }); 1662 popup.show(); 1663 ListView listView = popup.getListView(); 1664 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1665 listView.setItemChecked(0, true); 1666 } 1667 1668 /** 1669 * Remove selection from this chip. Unselecting a RecipientChip will render 1670 * the chip without a delete icon and with an unfocused background. This 1671 * is called when the RecipientChip no longer has focus. 1672 */ 1673 public void unselectChip(RecipientChip chip) { 1674 int start = getChipStart(chip); 1675 int end = getChipEnd(chip); 1676 Editable editable = getText(); 1677 mSelectedChip = null; 1678 if (start == -1 || end == -1) { 1679 Log.w(TAG, 1680 "The chip doesn't exist or may be a chip a user was editing"); 1681 setSelection(editable.length()); 1682 commitDefault(); 1683 } else { 1684 getSpannable().removeSpan(chip); 1685 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1686 editable.removeSpan(chip); 1687 try { 1688 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1689 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1690 } catch (NullPointerException e) { 1691 Log.e(TAG, e.getMessage(), e); 1692 } 1693 } 1694 setCursorVisible(true); 1695 setSelection(editable.length()); 1696 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1697 mAlternatesPopup.dismiss(); 1698 } 1699 } 1700 1701 /** 1702 * Return whether this chip contains the position passed in. 1703 */ 1704 public boolean matchesChip(RecipientChip chip, int offset) { 1705 int start = getChipStart(chip); 1706 int end = getChipEnd(chip); 1707 if (start == -1 || end == -1) { 1708 return false; 1709 } 1710 return (offset >= start && offset <= end); 1711 } 1712 1713 1714 /** 1715 * Return whether a touch event was inside the delete target of 1716 * a selected chip. It is in the delete target if: 1717 * 1) the x and y points of the event are within the 1718 * delete assset. 1719 * 2) the point tapped would have caused a cursor to appear 1720 * right after the selected chip. 1721 * @return boolean 1722 */ 1723 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1724 // Figure out the bounds of this chip and whether or not 1725 // the user clicked in the X portion. 1726 return chip.isSelected() && offset == getChipEnd(chip); 1727 } 1728 1729 /** 1730 * Remove the chip and any text associated with it from the RecipientEditTextView. 1731 */ 1732 private void removeChip(RecipientChip chip) { 1733 Spannable spannable = getSpannable(); 1734 int spanStart = spannable.getSpanStart(chip); 1735 int spanEnd = spannable.getSpanEnd(chip); 1736 Editable text = getText(); 1737 int toDelete = spanEnd; 1738 boolean wasSelected = chip == mSelectedChip; 1739 // Clear that there is a selected chip before updating any text. 1740 if (wasSelected) { 1741 mSelectedChip = null; 1742 } 1743 // Always remove trailing spaces when removing a chip. 1744 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1745 toDelete++; 1746 } 1747 spannable.removeSpan(chip); 1748 text.delete(spanStart, toDelete); 1749 if (wasSelected) { 1750 clearSelectedChip(); 1751 } 1752 } 1753 1754 /** 1755 * Replace this currently selected chip with a new chip 1756 * that uses the contact data provided. 1757 */ 1758 public void replaceChip(RecipientChip chip, RecipientEntry entry) { 1759 boolean wasSelected = chip == mSelectedChip; 1760 if (wasSelected) { 1761 mSelectedChip = null; 1762 } 1763 int start = getChipStart(chip); 1764 int end = getChipEnd(chip); 1765 getSpannable().removeSpan(chip); 1766 Editable editable = getText(); 1767 CharSequence chipText = createChip(entry, false); 1768 if (start == -1 || end == -1) { 1769 Log.e(TAG, "The chip to replace does not exist but should."); 1770 editable.insert(0, chipText); 1771 } else { 1772 // There may be a space to replace with this chip's new associated 1773 // space. Check for it. 1774 int toReplace = end; 1775 while (toReplace >= 0 && toReplace < editable.length() 1776 && editable.charAt(toReplace) == ' ') { 1777 toReplace++; 1778 } 1779 editable.replace(start, toReplace, chipText); 1780 } 1781 setCursorVisible(true); 1782 if (wasSelected) { 1783 clearSelectedChip(); 1784 } 1785 } 1786 1787 /** 1788 * Handle click events for a chip. When a selected chip receives a click 1789 * event, see if that event was in the delete icon. If so, delete it. 1790 * Otherwise, unselect the chip. 1791 */ 1792 public void onClick(RecipientChip chip, int offset, float x, float y) { 1793 if (chip.isSelected()) { 1794 if (isInDelete(chip, offset, x, y)) { 1795 removeChip(chip); 1796 } else { 1797 clearSelectedChip(); 1798 } 1799 } 1800 } 1801 1802 private boolean chipsPending() { 1803 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1804 } 1805 1806 @Override 1807 public void removeTextChangedListener(TextWatcher watcher) { 1808 mTextWatcher = null; 1809 super.removeTextChangedListener(watcher); 1810 } 1811 1812 private class RecipientTextWatcher implements TextWatcher { 1813 @Override 1814 public void afterTextChanged(Editable s) { 1815 // If the text has been set to null or empty, make sure we remove 1816 // all the spans we applied. 1817 if (TextUtils.isEmpty(s)) { 1818 // Remove all the chips spans. 1819 Spannable spannable = getSpannable(); 1820 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1821 RecipientChip.class); 1822 for (RecipientChip chip : chips) { 1823 spannable.removeSpan(chip); 1824 } 1825 if (mMoreChip != null) { 1826 spannable.removeSpan(mMoreChip); 1827 } 1828 return; 1829 } 1830 // Get whether there are any recipients pending addition to the 1831 // view. If there are, don't do anything in the text watcher. 1832 if (chipsPending()) { 1833 return; 1834 } 1835 // If the user is editing a chip, don't clear it. 1836 if (mSelectedChip != null 1837 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1838 setCursorVisible(true); 1839 setSelection(getText().length()); 1840 clearSelectedChip(); 1841 } 1842 int length = s.length(); 1843 // Make sure there is content there to parse and that it is 1844 // not just the commit character. 1845 if (length > 1) { 1846 char last; 1847 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1848 int len = length() - 1; 1849 if (end != len) { 1850 last = s.charAt(end); 1851 } else { 1852 last = s.charAt(len); 1853 } 1854 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1855 commitByCharacter(); 1856 } else if (last == COMMIT_CHAR_SPACE) { 1857 // Check if this is a valid email address. If it is, 1858 // commit it. 1859 String text = getText().toString(); 1860 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1861 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1862 tokenStart)); 1863 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1864 commitByCharacter(); 1865 } 1866 } 1867 } 1868 } 1869 1870 @Override 1871 public void onTextChanged(CharSequence s, int start, int before, int count) { 1872 // Do nothing. 1873 } 1874 1875 @Override 1876 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1877 // Do nothing. 1878 } 1879 } 1880 1881 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 1882 private RecipientChip createFreeChip(RecipientEntry entry) { 1883 try { 1884 return constructChipSpan(entry, -1, false); 1885 } catch (NullPointerException e) { 1886 Log.e(TAG, e.getMessage(), e); 1887 return null; 1888 } 1889 } 1890 1891 @Override 1892 protected Void doInBackground(Void... params) { 1893 if (mIndividualReplacements != null) { 1894 mIndividualReplacements.cancel(true); 1895 } 1896 // For each chip in the list, look up the matching contact. 1897 // If there is a match, replace that chip with the matching 1898 // chip. 1899 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 1900 RecipientChip[] existingChips = getSortedRecipients(); 1901 for (int i = 0; i < existingChips.length; i++) { 1902 originalRecipients.add(existingChips[i]); 1903 } 1904 if (mRemovedSpans != null) { 1905 originalRecipients.addAll(mRemovedSpans); 1906 } 1907 String[] addresses = new String[originalRecipients.size()]; 1908 for (int i = 0; i < originalRecipients.size(); i++) { 1909 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1910 } 1911 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1912 .getMatchingRecipients(getContext(), addresses); 1913 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 1914 for (final RecipientChip temp : originalRecipients) { 1915 RecipientEntry entry = null; 1916 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1917 && getSpannable().getSpanStart(temp) != -1) { 1918 // Replace this. 1919 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 1920 .getDestination()))); 1921 } 1922 if (entry != null) { 1923 replacements.add(createFreeChip(entry)); 1924 } else { 1925 replacements.add(temp); 1926 } 1927 } 1928 if (replacements != null && replacements.size() > 0) { 1929 mHandler.post(new Runnable() { 1930 @Override 1931 public void run() { 1932 SpannableStringBuilder text = new SpannableStringBuilder(getText() 1933 .toString()); 1934 Editable oldText = getText(); 1935 int start, end; 1936 int i = 0; 1937 for (RecipientChip chip : originalRecipients) { 1938 start = oldText.getSpanStart(chip); 1939 if (start != -1) { 1940 end = oldText.getSpanEnd(chip); 1941 text.removeSpan(chip); 1942 // Leave a spot for the space! 1943 RecipientChip replacement = replacements.get(i); 1944 text.setSpan(replacement, start, end, 1945 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1946 replacement.setOriginalText(text.toString().substring(start, end)); 1947 } 1948 i++; 1949 } 1950 Editable editable = getText(); 1951 editable.clear(); 1952 editable.insert(0, text); 1953 originalRecipients.clear(); 1954 } 1955 }); 1956 } 1957 return null; 1958 } 1959 } 1960 1961 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 1962 @SuppressWarnings("unchecked") 1963 @Override 1964 protected Void doInBackground(Object... params) { 1965 // For each chip in the list, look up the matching contact. 1966 // If there is a match, replace that chip with the matching 1967 // chip. 1968 final ArrayList<RecipientChip> originalRecipients = 1969 (ArrayList<RecipientChip>) params[0]; 1970 String[] addresses = new String[originalRecipients.size()]; 1971 for (int i = 0; i < originalRecipients.size(); i++) { 1972 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1973 } 1974 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1975 .getMatchingRecipients(getContext(), addresses); 1976 for (final RecipientChip temp : originalRecipients) { 1977 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1978 && getSpannable().getSpanStart(temp) != -1) { 1979 // Replace this. 1980 final RecipientEntry entry = createValidatedEntry(entries 1981 .get(tokenizeAddress(temp.getEntry().getDestination()))); 1982 if (entry != null) { 1983 mHandler.post(new Runnable() { 1984 @Override 1985 public void run() { 1986 replaceChip(temp, entry); 1987 } 1988 }); 1989 } 1990 } 1991 } 1992 return null; 1993 } 1994 } 1995 1996 1997 /** 1998 * MoreImageSpan is a simple class created for tracking the existence of a 1999 * more chip across activity restarts/ 2000 */ 2001 private class MoreImageSpan extends ImageSpan { 2002 public MoreImageSpan(Drawable b) { 2003 super(b); 2004 } 2005 } 2006 2007 @Override 2008 public boolean onDown(MotionEvent e) { 2009 return false; 2010 } 2011 2012 @Override 2013 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2014 // Do nothing. 2015 return false; 2016 } 2017 2018 @Override 2019 public void onLongPress(MotionEvent event) { 2020 if (mSelectedChip != null) { 2021 return; 2022 } 2023 float x = event.getX(); 2024 float y = event.getY(); 2025 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2026 RecipientChip currentChip = findChip(offset); 2027 if (currentChip != null) { 2028 // Copy the selected chip email address. 2029 showCopyDialog(currentChip.getEntry().getDestination()); 2030 } 2031 } 2032 2033 private void showCopyDialog(final String address) { 2034 mCopyAddress = address; 2035 mCopyDialog.setTitle(address); 2036 mCopyDialog.setContentView(mCopyViewRes); 2037 mCopyDialog.setCancelable(true); 2038 mCopyDialog.setCanceledOnTouchOutside(true); 2039 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 2040 mCopyDialog.setOnDismissListener(this); 2041 mCopyDialog.show(); 2042 } 2043 2044 @Override 2045 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2046 // Do nothing. 2047 return false; 2048 } 2049 2050 @Override 2051 public void onShowPress(MotionEvent e) { 2052 // Do nothing. 2053 } 2054 2055 @Override 2056 public boolean onSingleTapUp(MotionEvent e) { 2057 // Do nothing. 2058 return false; 2059 } 2060 2061 @Override 2062 public void onDismiss(DialogInterface dialog) { 2063 mCopyAddress = null; 2064 } 2065 2066 @Override 2067 public void onClick(View v) { 2068 // Copy this to the clipboard. 2069 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2070 Context.CLIPBOARD_SERVICE); 2071 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2072 mCopyDialog.dismiss(); 2073 } 2074} 2075