RecipientEditTextView.java revision ee6d83fe1da297b2f9af0fb221be376fdc816830
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 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 438 mChipBackground : mInvalidChipBackground; 439 } 440 441 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 442 // Ellipsize the text so that it takes AT MOST the entire width of the 443 // autocomplete text entry area. Make sure to leave space for padding 444 // on the sides. 445 int height = (int) mChipHeight; 446 int iconWidth = height; 447 String displayText = 448 !TextUtils.isEmpty(contact.getDisplayName()) ? contact.getDisplayName() : 449 !TextUtils.isEmpty(contact.getDestination()) ? contact.getDestination() : ""; 450 CharSequence ellipsizedText = ellipsizeText(displayText, paint, 451 calculateAvailableWidth(false) - iconWidth); 452 // Make sure there is a minimum chip width so the user can ALWAYS 453 // tap a chip without difficulty. 454 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 455 ellipsizedText.length())) 456 + (mChipPadding * 2) + iconWidth); 457 458 // Create the background of the chip. 459 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 460 Canvas canvas = new Canvas(tmpBitmap); 461 Drawable background = getChipBackground(contact); 462 if (background != null) { 463 background.setBounds(0, 0, width, height); 464 background.draw(canvas); 465 466 // Don't draw photos for recipients that have been typed in. 467 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 468 byte[] photoBytes = contact.getPhotoBytes(); 469 // There may not be a photo yet if anything but the first contact address 470 // was selected. 471 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 472 // TODO: cache this in the recipient entry? 473 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 474 .getPhotoThumbnailUri()); 475 photoBytes = contact.getPhotoBytes(); 476 } 477 478 Bitmap photo; 479 if (photoBytes != null) { 480 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 481 } else { 482 // TODO: can the scaled down default photo be cached? 483 photo = mDefaultContactPhoto; 484 } 485 // Draw the photo on the left side. 486 if (photo != null) { 487 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 488 Rect backgroundPadding = new Rect(); 489 mChipBackground.getPadding(backgroundPadding); 490 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 491 0 + backgroundPadding.top, 492 width - backgroundPadding.right, 493 height - backgroundPadding.bottom); 494 Matrix matrix = new Matrix(); 495 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 496 canvas.drawBitmap(photo, matrix, paint); 497 } 498 } else { 499 // Don't leave any space for the icon. It isn't being drawn. 500 iconWidth = 0; 501 } 502 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 503 // Vertically center the text in the chip. 504 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 505 getTextYOffset((String)ellipsizedText, paint, height), paint); 506 } else { 507 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 508 } 509 return tmpBitmap; 510 } 511 512 private float getTextYOffset(String text, TextPaint paint, int height) { 513 Rect bounds = new Rect(); 514 paint.getTextBounds((String)text, 0, text.length(), bounds); 515 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 516 return height - ((height - textHeight) / 2); 517 } 518 519 public RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 520 throws NullPointerException { 521 if (mChipBackground == null) { 522 throw new NullPointerException( 523 "Unable to render any chips as setChipDimensions was not called."); 524 } 525 Layout layout = getLayout(); 526 527 TextPaint paint = getPaint(); 528 float defaultSize = paint.getTextSize(); 529 int defaultColor = paint.getColor(); 530 531 Bitmap tmpBitmap; 532 if (pressed) { 533 tmpBitmap = createSelectedChip(contact, paint, layout); 534 535 } else { 536 tmpBitmap = createUnselectedChip(contact, paint, layout); 537 } 538 539 // Pass the full text, un-ellipsized, to the chip. 540 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 541 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 542 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 543 // Return text to the original size. 544 paint.setTextSize(defaultSize); 545 paint.setColor(defaultColor); 546 return recipientChip; 547 } 548 549 /** 550 * Calculate the bottom of the line the chip will be located on using: 551 * 1) which line the chip appears on 552 * 2) the height of a chip 553 * 3) padding built into the edit text view 554 */ 555 private int calculateOffsetFromBottom(int line) { 556 // Line offsets start at zero. 557 int actualLine = getLineCount() - (line + 1); 558 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 559 + getDropDownVerticalOffset(); 560 } 561 562 /** 563 * Get the max amount of space a chip can take up. The formula takes into 564 * account the width of the EditTextView, any view padding, and padding 565 * that will be added to the chip. 566 */ 567 private float calculateAvailableWidth(boolean pressed) { 568 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 569 } 570 571 /** 572 * Set all chip dimensions and resources. This has to be done from the 573 * application as this is a static library. 574 * @param chipBackground 575 * @param chipBackgroundPressed 576 * @param invalidChip 577 * @param chipDelete 578 * @param defaultContact 579 * @param moreResource 580 * @param alternatesLayout 581 * @param chipHeight 582 * @param padding Padding around the text in a chip 583 * @param chipFontSize 584 * @param copyViewRes 585 */ 586 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 587 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 588 int alternatesLayout, float chipHeight, float padding, 589 float chipFontSize, int copyViewRes) { 590 mChipBackground = chipBackground; 591 mChipBackgroundPressed = chipBackgroundPressed; 592 mChipDelete = chipDelete; 593 mChipPadding = (int) padding; 594 mAlternatesLayout = alternatesLayout; 595 mDefaultContactPhoto = defaultContact; 596 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 597 mChipHeight = chipHeight; 598 mChipFontSize = chipFontSize; 599 mInvalidChipBackground = invalidChip; 600 mCopyViewRes = copyViewRes; 601 } 602 603 // Visible for testing. 604 /* package */ void setMoreItem(TextView moreItem) { 605 mMoreItem = moreItem; 606 } 607 608 609 // Visible for testing. 610 /* package */ void setChipBackground(Drawable chipBackground) { 611 mChipBackground = chipBackground; 612 } 613 614 // Visible for testing. 615 /* package */ void setChipHeight(int height) { 616 mChipHeight = height; 617 } 618 619 /** 620 * Set whether to shrink the recipients field such that at most 621 * one line of recipients chips are shown when the field loses 622 * focus. By default, the number of displayed recipients will be 623 * limited and a "more" chip will be shown when focus is lost. 624 * @param shrink 625 */ 626 public void setOnFocusListShrinkRecipients(boolean shrink) { 627 mShouldShrink = shrink; 628 } 629 630 @Override 631 public void onSizeChanged(int width, int height, int oldw, int oldh) { 632 super.onSizeChanged(width, height, oldw, oldh); 633 if (width != 0 && height != 0) { 634 if (mPendingChipsCount > 0) { 635 postHandlePendingChips(); 636 } else { 637 checkChipWidths(); 638 } 639 } 640 // Try to find the scroll view parent, if it exists. 641 if (mScrollView == null && !mTried) { 642 ViewParent parent = getParent(); 643 while (parent != null && !(parent instanceof ScrollView)) { 644 parent = parent.getParent(); 645 } 646 if (parent != null) { 647 mScrollView = (ScrollView) parent; 648 } 649 mTried = true; 650 } 651 } 652 653 private void postHandlePendingChips() { 654 mHandler.removeCallbacks(mHandlePendingChips); 655 mHandler.post(mHandlePendingChips); 656 } 657 658 private void checkChipWidths() { 659 // Check the widths of the associated chips. 660 RecipientChip[] chips = getSortedRecipients(); 661 if (chips != null) { 662 Rect bounds; 663 for (RecipientChip chip : chips) { 664 bounds = chip.getDrawable().getBounds(); 665 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 666 // Need to redraw that chip. 667 replaceChip(chip, chip.getEntry()); 668 } 669 } 670 } 671 } 672 673 private void handlePendingChips() { 674 if (getWidth() <= 0) { 675 // The widget has not been sized yet. 676 // This will be called as a result of onSizeChanged 677 // at a later point. 678 return; 679 } 680 681 if (mPendingChipsCount <= 0) { 682 return; 683 } 684 685 synchronized (mPendingChips) { 686 Editable editable = getText(); 687 // Tokenize! 688 for (int i = 0; i < mPendingChips.size(); i++) { 689 String current = mPendingChips.get(i); 690 int tokenStart = editable.toString().indexOf(current); 691 int tokenEnd = tokenStart + current.length(); 692 if (tokenStart >= 0) { 693 // When we have a valid token, include it with the token 694 // to the left. 695 if (tokenEnd < editable.length() - 2 696 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 697 tokenEnd++; 698 } 699 createReplacementChip(tokenStart, tokenEnd, editable); 700 } 701 mPendingChipsCount--; 702 } 703 sanitizeSpannable(); 704 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 705 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 706 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 707 new RecipientReplacementTask().execute(); 708 mTemporaryRecipients = null; 709 } else { 710 // Create the "more" chip 711 mIndividualReplacements = new IndividualReplacementTask(); 712 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 713 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 714 715 createMoreChip(); 716 } 717 } else { 718 // There are too many recipients to look up, so just fall back 719 // to showing addresses for all of them. 720 mTemporaryRecipients = null; 721 createMoreChip(); 722 } 723 mPendingChipsCount = 0; 724 mPendingChips.clear(); 725 } 726 } 727 728 /** 729 * Remove any characters after the last valid chip. 730 */ 731 private void sanitizeSpannable() { 732 // Find the last chip; eliminate any commit characters after it. 733 RecipientChip[] chips = getRecipients(); 734 if (chips != null && chips.length > 0) { 735 int end; 736 ImageSpan lastSpan; 737 mMoreChip = getMoreChip(); 738 if (mMoreChip != null) { 739 lastSpan = mMoreChip; 740 } else { 741 lastSpan = chips[chips.length - 1]; 742 } 743 end = getSpannable().getSpanEnd(lastSpan); 744 Editable editable = getText(); 745 int length = editable.length(); 746 if (length > end) { 747 // See what characters occur after that and eliminate them. 748 if (Log.isLoggable(TAG, Log.DEBUG)) { 749 Log.d(TAG, "There were extra characters after the last tokenizable entry." 750 + editable); 751 } 752 editable.delete(end + 1, length); 753 } 754 } 755 } 756 757 /** 758 * Create a chip that represents just the email address of a recipient. At some later 759 * point, this chip will be attached to a real contact entry, if one exists. 760 */ 761 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 762 if (alreadyHasChip(tokenStart, tokenEnd)) { 763 // There is already a chip present at this location. 764 // Don't recreate it. 765 return; 766 } 767 String token = editable.toString().substring(tokenStart, tokenEnd); 768 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 769 if (commitCharIndex == token.length() - 1) { 770 token = token.substring(0, token.length() - 1); 771 } 772 RecipientEntry entry = createTokenizedEntry(token); 773 if (entry != null) { 774 String destText = createDisplayText(entry); 775 // Always leave a blank space at the end of a chip. 776 int textLength = destText.length() - 1; 777 SpannableString chipText = new SpannableString(destText); 778 int end = getSelectionEnd(); 779 int start = mTokenizer.findTokenStart(getText(), end); 780 RecipientChip chip = null; 781 try { 782 chip = constructChipSpan(entry, start, false); 783 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 784 } catch (NullPointerException e) { 785 Log.e(TAG, e.getMessage(), e); 786 } 787 editable.replace(tokenStart, tokenEnd, chipText); 788 // Add this chip to the list of entries "to replace" 789 if (chip != null) { 790 if (mTemporaryRecipients == null) { 791 mTemporaryRecipients = new ArrayList<RecipientChip>(); 792 } 793 chip.setOriginalText(chipText.toString()); 794 mTemporaryRecipients.add(chip); 795 } 796 } 797 } 798 799 private RecipientEntry createTokenizedEntry(String token) { 800 if (TextUtils.isEmpty(token)) { 801 return null; 802 } 803 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 804 String display = null; 805 if (isValid(token) && tokens != null && tokens.length > 0) { 806 // If we can get a name from tokenizing, then generate an entry from 807 // this. 808 display = tokens[0].getName(); 809 if (!TextUtils.isEmpty(display)) { 810 return RecipientEntry.constructGeneratedEntry(display, token); 811 } else { 812 display = tokens[0].getAddress(); 813 if (!TextUtils.isEmpty(display)) { 814 return RecipientEntry.constructFakeEntry(display); 815 } 816 } 817 } 818 // Unable to validate the token or to create a valid token from it. 819 // Just create a chip the user can edit. 820 String validatedToken = null; 821 if (mValidator != null && !mValidator.isValid(token)) { 822 // Try fixing up the entry using the validator. 823 validatedToken = mValidator.fixText(token).toString(); 824 if (!TextUtils.isEmpty(validatedToken)) { 825 if (validatedToken.contains(token)) { 826 // protect against the case of a validator with a null domain, 827 // which doesn't add a domain to the token 828 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 829 if (tokenized.length > 0) { 830 validatedToken = tokenized[0].getAddress(); 831 } 832 } else { 833 // We ran into a case where the token was invalid and removed 834 // by the validator. In this case, just use the original token 835 // and let the user sort out the error chip. 836 validatedToken = null; 837 } 838 } 839 } 840 // Otherwise, fallback to just creating an editable email address chip. 841 return RecipientEntry 842 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 843 } 844 845 private boolean isValid(String text) { 846 return mValidator == null ? true : mValidator.isValid(text); 847 } 848 849 private String tokenizeAddress(String destination) { 850 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 851 if (tokens != null && tokens.length > 0) { 852 return tokens[0].getAddress(); 853 } 854 return destination; 855 } 856 857 @Override 858 public void setTokenizer(Tokenizer tokenizer) { 859 mTokenizer = tokenizer; 860 super.setTokenizer(mTokenizer); 861 } 862 863 @Override 864 public void setValidator(Validator validator) { 865 mValidator = validator; 866 super.setValidator(validator); 867 } 868 869 /** 870 * We cannot use the default mechanism for replaceText. Instead, 871 * we override onItemClickListener so we can get all the associated 872 * contact information including display text, address, and id. 873 */ 874 @Override 875 protected void replaceText(CharSequence text) { 876 return; 877 } 878 879 /** 880 * Dismiss any selected chips when the back key is pressed. 881 */ 882 @Override 883 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 884 if (keyCode == KeyEvent.KEYCODE_BACK) { 885 clearSelectedChip(); 886 } 887 return super.onKeyPreIme(keyCode, event); 888 } 889 890 /** 891 * Monitor key presses in this view to see if the user types 892 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 893 * If the user has entered text that has contact matches and types 894 * a commit key, create a chip from the topmost matching contact. 895 * If the user has entered text that has no contact matches and types 896 * a commit key, then create a chip from the text they have entered. 897 */ 898 @Override 899 public boolean onKeyUp(int keyCode, KeyEvent event) { 900 switch (keyCode) { 901 case KeyEvent.KEYCODE_ENTER: 902 case KeyEvent.KEYCODE_DPAD_CENTER: 903 if (event.hasNoModifiers()) { 904 if (commitDefault()) { 905 return true; 906 } 907 if (mSelectedChip != null) { 908 clearSelectedChip(); 909 return true; 910 } else if (focusNext()) { 911 return true; 912 } 913 } 914 break; 915 case KeyEvent.KEYCODE_TAB: 916 if (event.hasNoModifiers()) { 917 if (mSelectedChip != null) { 918 clearSelectedChip(); 919 } else { 920 commitDefault(); 921 } 922 if (focusNext()) { 923 return true; 924 } 925 } 926 } 927 return super.onKeyUp(keyCode, event); 928 } 929 930 private boolean focusNext() { 931 View next = focusSearch(View.FOCUS_DOWN); 932 if (next != null) { 933 next.requestFocus(); 934 return true; 935 } 936 return false; 937 } 938 939 /** 940 * Create a chip from the default selection. If the popup is showing, the 941 * default is the first item in the popup suggestions list. Otherwise, it is 942 * whatever the user had typed in. End represents where the the tokenizer 943 * should search for a token to turn into a chip. 944 * @return If a chip was created from a real contact. 945 */ 946 private boolean commitDefault() { 947 Editable editable = getText(); 948 int end = getSelectionEnd(); 949 int start = mTokenizer.findTokenStart(editable, end); 950 951 if (shouldCreateChip(start, end)) { 952 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 953 // In the middle of chip; treat this as an edit 954 // and commit the whole token. 955 if (whatEnd != getSelectionEnd()) { 956 handleEdit(start, whatEnd); 957 return true; 958 } 959 return commitChip(start, end , editable); 960 } 961 return false; 962 } 963 964 private void commitByCharacter() { 965 Editable editable = getText(); 966 int end = getSelectionEnd(); 967 int start = mTokenizer.findTokenStart(editable, end); 968 if (shouldCreateChip(start, end)) { 969 commitChip(start, end, editable); 970 } 971 setSelection(getText().length()); 972 } 973 974 private boolean commitChip(int start, int end, Editable editable) { 975 if (getAdapter().getCount() > 0 && enoughToFilter()) { 976 // choose the first entry. 977 submitItemAtPosition(0); 978 dismissDropDown(); 979 return true; 980 } else { 981 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 982 if (editable.length() > tokenEnd && editable.charAt(tokenEnd) == ',') { 983 tokenEnd++; 984 } 985 String text = editable.toString().substring(start, tokenEnd).trim(); 986 clearComposingText(); 987 if (text != null && text.length() > 0 && !text.equals(" ")) { 988 RecipientEntry entry = createTokenizedEntry(text); 989 if (entry != null) { 990 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 991 CharSequence chipText = createChip(entry, false); 992 if (chipText != null && start > -1 && end > -1) { 993 editable.replace(start, end, chipText); 994 } 995 } 996 dismissDropDown(); 997 sanitizeBetween(); 998 return true; 999 } 1000 } 1001 return false; 1002 } 1003 1004 // Visible for testing. 1005 /* package */ void sanitizeBetween() { 1006 // Find the last chip. 1007 RecipientChip[] recips = getSortedRecipients(); 1008 if (recips != null && recips.length > 0) { 1009 RecipientChip last = recips[recips.length - 1]; 1010 RecipientChip beforeLast = null; 1011 if (recips.length > 1) { 1012 beforeLast = recips[recips.length - 2]; 1013 } 1014 int startLooking = 0; 1015 int end = getSpannable().getSpanStart(last); 1016 if (beforeLast != null) { 1017 startLooking = getSpannable().getSpanEnd(beforeLast); 1018 Editable text = getText(); 1019 if (startLooking == -1 || startLooking > text.length() - 1) { 1020 // There is nothing after this chip. 1021 return; 1022 } 1023 if (text.charAt(startLooking) == ' ') { 1024 startLooking++; 1025 } 1026 } 1027 if (startLooking >= 0 && end >= 0 && startLooking != end) { 1028 getText().delete(startLooking, end); 1029 } 1030 } 1031 } 1032 1033 private boolean shouldCreateChip(int start, int end) { 1034 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1035 } 1036 1037 private boolean alreadyHasChip(int start, int end) { 1038 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1039 if ((chips == null || chips.length == 0)) { 1040 return false; 1041 } 1042 return true; 1043 } 1044 1045 private void handleEdit(int start, int end) { 1046 if (start == -1 || end == -1) { 1047 // This chip no longer exists in the field. 1048 dismissDropDown(); 1049 return; 1050 } 1051 // This is in the middle of a chip, so select out the whole chip 1052 // and commit it. 1053 Editable editable = getText(); 1054 setSelection(end); 1055 String text = getText().toString().substring(start, end); 1056 if (!TextUtils.isEmpty(text)) { 1057 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1058 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1059 CharSequence chipText = createChip(entry, false); 1060 editable.replace(start, getSelectionEnd(), chipText); 1061 } 1062 dismissDropDown(); 1063 } 1064 1065 /** 1066 * If there is a selected chip, delegate the key events 1067 * to the selected chip. 1068 */ 1069 @Override 1070 public boolean onKeyDown(int keyCode, KeyEvent event) { 1071 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1072 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1073 mAlternatesPopup.dismiss(); 1074 } 1075 removeChip(mSelectedChip); 1076 } 1077 1078 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1079 return true; 1080 } 1081 1082 return super.onKeyDown(keyCode, event); 1083 } 1084 1085 // Visible for testing. 1086 /* package */ Spannable getSpannable() { 1087 return getText(); 1088 } 1089 1090 private int getChipStart(RecipientChip chip) { 1091 return getSpannable().getSpanStart(chip); 1092 } 1093 1094 private int getChipEnd(RecipientChip chip) { 1095 return getSpannable().getSpanEnd(chip); 1096 } 1097 1098 /** 1099 * Instead of filtering on the entire contents of the edit box, 1100 * this subclass method filters on the range from 1101 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1102 * if the length of that range meets or exceeds {@link #getThreshold} 1103 * and makes sure that the range is not already a Chip. 1104 */ 1105 @Override 1106 protected void performFiltering(CharSequence text, int keyCode) { 1107 if (enoughToFilter()) { 1108 int end = getSelectionEnd(); 1109 int start = mTokenizer.findTokenStart(text, end); 1110 // If this is a RecipientChip, don't filter 1111 // on its contents. 1112 Spannable span = getSpannable(); 1113 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1114 if (chips != null && chips.length > 0) { 1115 return; 1116 } 1117 } 1118 super.performFiltering(text, keyCode); 1119 } 1120 1121 private void clearSelectedChip() { 1122 if (mSelectedChip != null) { 1123 unselectChip(mSelectedChip); 1124 mSelectedChip = null; 1125 } 1126 setCursorVisible(true); 1127 } 1128 1129 /** 1130 * Monitor touch events in the RecipientEditTextView. 1131 * If the view does not have focus, any tap on the view 1132 * will just focus the view. If the view has focus, determine 1133 * if the touch target is a recipient chip. If it is and the chip 1134 * is not selected, select it and clear any other selected chips. 1135 * If it isn't, then select that chip. 1136 */ 1137 @Override 1138 public boolean onTouchEvent(MotionEvent event) { 1139 if (!isFocused()) { 1140 // Ignore any chip taps until this view is focused. 1141 return super.onTouchEvent(event); 1142 } 1143 boolean handled = super.onTouchEvent(event); 1144 int action = event.getAction(); 1145 boolean chipWasSelected = false; 1146 if (mSelectedChip == null) { 1147 mGestureDetector.onTouchEvent(event); 1148 } 1149 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1150 float x = event.getX(); 1151 float y = event.getY(); 1152 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1153 RecipientChip currentChip = findChip(offset); 1154 if (currentChip != null) { 1155 if (action == MotionEvent.ACTION_UP) { 1156 if (mSelectedChip != null && mSelectedChip != currentChip) { 1157 clearSelectedChip(); 1158 mSelectedChip = selectChip(currentChip); 1159 } else if (mSelectedChip == null) { 1160 setSelection(getText().length()); 1161 commitDefault(); 1162 mSelectedChip = selectChip(currentChip); 1163 } else { 1164 onClick(mSelectedChip, offset, x, y); 1165 } 1166 } 1167 chipWasSelected = true; 1168 handled = true; 1169 } else if (mSelectedChip != null 1170 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1171 chipWasSelected = true; 1172 } 1173 } 1174 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1175 clearSelectedChip(); 1176 } 1177 return handled; 1178 } 1179 1180 private void scrollLineIntoView(int line) { 1181 if (mScrollView != null) { 1182 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1183 } 1184 } 1185 1186 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1187 int width, Context context) { 1188 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1189 int bottom = calculateOffsetFromBottom(line); 1190 // Align the alternates popup with the left side of the View, 1191 // regardless of the position of the chip tapped. 1192 alternatesPopup.setWidth(width); 1193 setEnabled(false); 1194 alternatesPopup.setAnchorView(this); 1195 alternatesPopup.setVerticalOffset(bottom); 1196 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1197 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1198 // Clear the checked item. 1199 mCheckedItem = -1; 1200 alternatesPopup.show(); 1201 ListView listView = alternatesPopup.getListView(); 1202 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1203 // Checked item would be -1 if the adapter has not 1204 // loaded the view that should be checked yet. The 1205 // variable will be set correctly when onCheckedItemChanged 1206 // is called in a separate thread. 1207 if (mCheckedItem != -1) { 1208 listView.setItemChecked(mCheckedItem, true); 1209 mCheckedItem = -1; 1210 } 1211 } 1212 1213 // Dismiss listener for alterns and single address popup. 1214 @Override 1215 public void onDismiss() { 1216 setEnabled(true); 1217 } 1218 1219 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1220 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1221 mAlternatesLayout, this); 1222 } 1223 1224 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1225 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1226 .getEntry()); 1227 } 1228 1229 @Override 1230 public void onCheckedItemChanged(int position) { 1231 ListView listView = mAlternatesPopup.getListView(); 1232 if (listView != null && listView.getCheckedItemCount() == 0) { 1233 listView.setItemChecked(position, true); 1234 } 1235 mCheckedItem = position; 1236 } 1237 1238 // TODO: This algorithm will need a lot of tweaking after more people have used 1239 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1240 // what comes before the finger. 1241 private int putOffsetInRange(int o) { 1242 int offset = o; 1243 Editable text = getText(); 1244 int length = text.length(); 1245 // Remove whitespace from end to find "real end" 1246 int realLength = length; 1247 for (int i = length - 1; i >= 0; i--) { 1248 if (text.charAt(i) == ' ') { 1249 realLength--; 1250 } else { 1251 break; 1252 } 1253 } 1254 1255 // If the offset is beyond or at the end of the text, 1256 // leave it alone. 1257 if (offset >= realLength) { 1258 return offset; 1259 } 1260 Editable editable = getText(); 1261 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1262 // Keep walking backward! 1263 offset--; 1264 } 1265 return offset; 1266 } 1267 1268 private int findText(Editable text, int offset) { 1269 if (text.charAt(offset) != ' ') { 1270 return offset; 1271 } 1272 return -1; 1273 } 1274 1275 private RecipientChip findChip(int offset) { 1276 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1277 // Find the chip that contains this offset. 1278 for (int i = 0; i < chips.length; i++) { 1279 RecipientChip chip = chips[i]; 1280 int start = getChipStart(chip); 1281 int end = getChipEnd(chip); 1282 if (offset >= start && offset <= end) { 1283 return chip; 1284 } 1285 } 1286 return null; 1287 } 1288 1289 // Visible for testing. 1290 /* package */ String createDisplayText(RecipientEntry entry) { 1291 String display = entry.getDisplayName(); 1292 String address = entry.getDestination(); 1293 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1294 display = null; 1295 } 1296 if (address != null) { 1297 // Tokenize out the address in case the address already 1298 // contained the username as well. 1299 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1300 if (tokenized != null && tokenized.length > 0) { 1301 address = tokenized[0].getAddress(); 1302 } 1303 } 1304 Rfc822Token token = new Rfc822Token(display, address, null); 1305 String displayText = token.toString(); 1306 String trimmedDisplayText = displayText.trim(); 1307 int index = trimmedDisplayText.indexOf(","); 1308 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1309 .terminateToken(displayText) : displayText; 1310 } 1311 1312 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1313 String displayText = createDisplayText(entry); 1314 // Always leave a blank space at the end of a chip. 1315 int textLength = displayText.length()-1; 1316 SpannableString chipText = new SpannableString(displayText); 1317 int end = getSelectionEnd(); 1318 int start = mTokenizer.findTokenStart(getText(), end); 1319 try { 1320 RecipientChip chip = constructChipSpan(entry, start, pressed); 1321 chipText.setSpan(chip, 0, textLength, 1322 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1323 chip.setOriginalText(chipText.toString()); 1324 } catch (NullPointerException e) { 1325 Log.e(TAG, e.getMessage(), e); 1326 return null; 1327 } 1328 1329 return chipText; 1330 } 1331 1332 /** 1333 * When an item in the suggestions list has been clicked, create a chip from the 1334 * contact information of the selected item. 1335 */ 1336 @Override 1337 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1338 submitItemAtPosition(position); 1339 } 1340 1341 private void submitItemAtPosition(int position) { 1342 RecipientEntry entry = createValidatedEntry( 1343 (RecipientEntry)getAdapter().getItem(position)); 1344 if (entry == null) { 1345 return; 1346 } 1347 clearComposingText(); 1348 1349 int end = getSelectionEnd(); 1350 int start = mTokenizer.findTokenStart(getText(), end); 1351 1352 Editable editable = getText(); 1353 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1354 CharSequence chip = createChip(entry, false); 1355 if (chip != null) { 1356 editable.replace(start, end, chip); 1357 } 1358 sanitizeBetween(); 1359 } 1360 1361 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1362 if (item == null) { 1363 return null; 1364 } 1365 final RecipientEntry entry; 1366 // If the display name and the address are the same, or if this is a 1367 // valid contact, but the destination is invalid, then make this a fake 1368 // recipient that is editable. 1369 String destination = item.getDestination(); 1370 if (TextUtils.isEmpty(item.getDisplayName()) 1371 || TextUtils.equals(item.getDisplayName(), destination) 1372 || (mValidator != null && !mValidator.isValid(destination))) { 1373 entry = RecipientEntry.constructFakeEntry(destination); 1374 } else { 1375 entry = item; 1376 } 1377 return entry; 1378 } 1379 1380 /** Returns a collection of contact Id for each chip inside this View. */ 1381 /* package */ Collection<Long> getContactIds() { 1382 final Set<Long> result = new HashSet<Long>(); 1383 RecipientChip[] chips = getRecipients(); 1384 if (chips != null) { 1385 for (RecipientChip chip : chips) { 1386 result.add(chip.getContactId()); 1387 } 1388 } 1389 return result; 1390 } 1391 1392 private RecipientChip[] getRecipients() { 1393 return getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1394 } 1395 1396 // Visible for testing. 1397 /* package */ RecipientChip[] getSortedRecipients() { 1398 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1399 .asList(getRecipients())); 1400 final Spannable spannable = getSpannable(); 1401 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1402 1403 @Override 1404 public int compare(RecipientChip first, RecipientChip second) { 1405 int firstStart = spannable.getSpanStart(first); 1406 int secondStart = spannable.getSpanStart(second); 1407 if (firstStart < secondStart) { 1408 return -1; 1409 } else if (firstStart > secondStart) { 1410 return 1; 1411 } else { 1412 return 0; 1413 } 1414 } 1415 }); 1416 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1417 } 1418 1419 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1420 /* package */ Collection<Long> getDataIds() { 1421 final Set<Long> result = new HashSet<Long>(); 1422 RecipientChip [] chips = getRecipients(); 1423 if (chips != null) { 1424 for (RecipientChip chip : chips) { 1425 result.add(chip.getDataId()); 1426 } 1427 } 1428 return result; 1429 } 1430 1431 1432 @Override 1433 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1434 return false; 1435 } 1436 1437 @Override 1438 public void onDestroyActionMode(ActionMode mode) { 1439 } 1440 1441 @Override 1442 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1443 return false; 1444 } 1445 1446 /** 1447 * No chips are selectable. 1448 */ 1449 @Override 1450 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1451 return false; 1452 } 1453 1454 // Visible for testing. 1455 /* package */ImageSpan getMoreChip() { 1456 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1457 MoreImageSpan.class); 1458 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1459 } 1460 1461 /** 1462 * Create the more chip. The more chip is text that replaces any chips that 1463 * do not fit in the pre-defined available space when the 1464 * RecipientEditTextView loses focus. 1465 */ 1466 // Visible for testing. 1467 /* package */ void createMoreChip() { 1468 if (!mShouldShrink) { 1469 return; 1470 } 1471 1472 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1473 if (tempMore.length > 0) { 1474 getSpannable().removeSpan(tempMore[0]); 1475 } 1476 RecipientChip[] recipients = getSortedRecipients(); 1477 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1478 mMoreChip = null; 1479 return; 1480 } 1481 Spannable spannable = getSpannable(); 1482 int numRecipients = recipients.length; 1483 int overage = numRecipients - CHIP_LIMIT; 1484 String moreText = String.format(mMoreItem.getText().toString(), overage); 1485 TextPaint morePaint = new TextPaint(getPaint()); 1486 morePaint.setTextSize(mMoreItem.getTextSize()); 1487 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1488 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1489 + mMoreItem.getPaddingRight(); 1490 int height = getLineHeight(); 1491 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1492 Canvas canvas = new Canvas(drawable); 1493 int adjustedHeight = height; 1494 Layout layout = getLayout(); 1495 if (layout != null) { 1496 adjustedHeight -= layout.getLineDescent(0); 1497 } 1498 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1499 1500 Drawable result = new BitmapDrawable(getResources(), drawable); 1501 result.setBounds(0, 0, width, height); 1502 MoreImageSpan moreSpan = new MoreImageSpan(result); 1503 // Remove the overage chips. 1504 if (recipients == null || recipients.length == 0) { 1505 Log.w(TAG, 1506 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1507 mMoreChip = null; 1508 return; 1509 } 1510 mRemovedSpans = new ArrayList<RecipientChip>(); 1511 int totalReplaceStart = 0; 1512 int totalReplaceEnd = 0; 1513 Editable text = getText(); 1514 for (int i = numRecipients - overage; i < recipients.length; i++) { 1515 mRemovedSpans.add(recipients[i]); 1516 if (i == numRecipients - overage) { 1517 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1518 } 1519 if (i == recipients.length - 1) { 1520 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1521 } 1522 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1523 int spanStart = spannable.getSpanStart(recipients[i]); 1524 int spanEnd = spannable.getSpanEnd(recipients[i]); 1525 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1526 } 1527 spannable.removeSpan(recipients[i]); 1528 } 1529 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1530 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1531 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1532 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1533 text.replace(start, end, chipText); 1534 mMoreChip = moreSpan; 1535 } 1536 1537 /** 1538 * Replace the more chip, if it exists, with all of the recipient chips it had 1539 * replaced when the RecipientEditTextView gains focus. 1540 */ 1541 // Visible for testing. 1542 /*package*/ void removeMoreChip() { 1543 if (mMoreChip != null) { 1544 Spannable span = getSpannable(); 1545 span.removeSpan(mMoreChip); 1546 mMoreChip = null; 1547 // Re-add the spans that were removed. 1548 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1549 // Recreate each removed span. 1550 RecipientChip[] recipients = getSortedRecipients(); 1551 // Start the search for tokens after the last currently visible 1552 // chip. 1553 if (recipients == null || recipients.length == 0) { 1554 return; 1555 } 1556 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1557 Editable editable = getText(); 1558 for (RecipientChip chip : mRemovedSpans) { 1559 int chipStart; 1560 int chipEnd; 1561 String token; 1562 // Need to find the location of the chip, again. 1563 token = (String) chip.getOriginalText(); 1564 // As we find the matching recipient for the remove spans, 1565 // reduce the size of the string we need to search. 1566 // That way, if there are duplicates, we always find the correct 1567 // recipient. 1568 chipStart = editable.toString().indexOf(token, end); 1569 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1570 // Only set the span if we found a matching token. 1571 if (chipStart != -1) { 1572 editable.setSpan(chip, chipStart, chipEnd, 1573 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1574 } 1575 } 1576 mRemovedSpans.clear(); 1577 } 1578 } 1579 } 1580 1581 /** 1582 * Show specified chip as selected. If the RecipientChip is just an email address, 1583 * selecting the chip will take the contents of the chip and place it at 1584 * the end of the RecipientEditTextView for inline editing. If the 1585 * RecipientChip is a complete contact, then selecting the chip 1586 * will change the background color of the chip, show the delete icon, 1587 * and a popup window with the address in use highlighted and any other 1588 * alternate addresses for the contact. 1589 * @param currentChip Chip to select. 1590 * @return A RecipientChip in the selected state or null if the chip 1591 * just contained an email address. 1592 */ 1593 public RecipientChip selectChip(RecipientChip currentChip) { 1594 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1595 CharSequence text = currentChip.getValue(); 1596 Editable editable = getText(); 1597 removeChip(currentChip); 1598 editable.append(text); 1599 setCursorVisible(true); 1600 setSelection(editable.length()); 1601 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1602 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1603 int start = getChipStart(currentChip); 1604 int end = getChipEnd(currentChip); 1605 getSpannable().removeSpan(currentChip); 1606 RecipientChip newChip; 1607 try { 1608 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1609 } catch (NullPointerException e) { 1610 Log.e(TAG, e.getMessage(), e); 1611 return null; 1612 } 1613 Editable editable = getText(); 1614 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1615 if (start == -1 || end == -1) { 1616 Log.d(TAG, "The chip being selected no longer exists but should."); 1617 } else { 1618 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1619 } 1620 newChip.setSelected(true); 1621 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1622 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1623 } 1624 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1625 setCursorVisible(false); 1626 return newChip; 1627 } else { 1628 int start = getChipStart(currentChip); 1629 int end = getChipEnd(currentChip); 1630 getSpannable().removeSpan(currentChip); 1631 RecipientChip newChip; 1632 try { 1633 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1634 } catch (NullPointerException e) { 1635 Log.e(TAG, e.getMessage(), e); 1636 return null; 1637 } 1638 Editable editable = getText(); 1639 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1640 if (start == -1 || end == -1) { 1641 Log.d(TAG, "The chip being selected no longer exists but should."); 1642 } else { 1643 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1644 } 1645 newChip.setSelected(true); 1646 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1647 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1648 } 1649 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1650 setCursorVisible(false); 1651 return newChip; 1652 } 1653 } 1654 1655 1656 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1657 int width, Context context) { 1658 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1659 int bottom = calculateOffsetFromBottom(line); 1660 // Align the alternates popup with the left side of the View, 1661 // regardless of the position of the chip tapped. 1662 setEnabled(false); 1663 popup.setWidth(width); 1664 popup.setAnchorView(this); 1665 popup.setVerticalOffset(bottom); 1666 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1667 popup.setOnItemClickListener(new OnItemClickListener() { 1668 @Override 1669 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1670 unselectChip(currentChip); 1671 popup.dismiss(); 1672 } 1673 }); 1674 popup.show(); 1675 ListView listView = popup.getListView(); 1676 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1677 listView.setItemChecked(0, true); 1678 } 1679 1680 /** 1681 * Remove selection from this chip. Unselecting a RecipientChip will render 1682 * the chip without a delete icon and with an unfocused background. This 1683 * is called when the RecipientChip no longer has focus. 1684 */ 1685 public void unselectChip(RecipientChip chip) { 1686 int start = getChipStart(chip); 1687 int end = getChipEnd(chip); 1688 Editable editable = getText(); 1689 mSelectedChip = null; 1690 if (start == -1 || end == -1) { 1691 Log.w(TAG, 1692 "The chip doesn't exist or may be a chip a user was editing"); 1693 setSelection(editable.length()); 1694 commitDefault(); 1695 } else { 1696 getSpannable().removeSpan(chip); 1697 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1698 editable.removeSpan(chip); 1699 try { 1700 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1701 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1702 } catch (NullPointerException e) { 1703 Log.e(TAG, e.getMessage(), e); 1704 } 1705 } 1706 setCursorVisible(true); 1707 setSelection(editable.length()); 1708 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1709 mAlternatesPopup.dismiss(); 1710 } 1711 } 1712 1713 /** 1714 * Return whether this chip contains the position passed in. 1715 */ 1716 public boolean matchesChip(RecipientChip chip, int offset) { 1717 int start = getChipStart(chip); 1718 int end = getChipEnd(chip); 1719 1720 if (start == -1 || end == -1) { 1721 return false; 1722 } 1723 return (offset >= start && offset <= end); 1724 } 1725 1726 1727 /** 1728 * Return whether a touch event was inside the delete target of 1729 * a selected chip. It is in the delete target if: 1730 * 1) the x and y points of the event are within the 1731 * delete assset. 1732 * 2) the point tapped would have caused a cursor to appear 1733 * right after the selected chip. 1734 * @return boolean 1735 */ 1736 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1737 // Figure out the bounds of this chip and whether or not 1738 // the user clicked in the X portion. 1739 return chip.isSelected() && offset == getChipEnd(chip); 1740 } 1741 1742 /** 1743 * Remove the chip and any text associated with it from the RecipientEditTextView. 1744 */ 1745 // Visible for testing. 1746 /*pacakge*/ void removeChip(RecipientChip chip) { 1747 Spannable spannable = getSpannable(); 1748 int spanStart = spannable.getSpanStart(chip); 1749 int spanEnd = spannable.getSpanEnd(chip); 1750 Editable text = getText(); 1751 int toDelete = spanEnd; 1752 boolean wasSelected = chip == mSelectedChip; 1753 // Clear that there is a selected chip before updating any text. 1754 if (wasSelected) { 1755 mSelectedChip = null; 1756 } 1757 // Always remove trailing spaces when removing a chip. 1758 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1759 toDelete++; 1760 } 1761 spannable.removeSpan(chip); 1762 text.delete(spanStart, toDelete); 1763 if (wasSelected) { 1764 clearSelectedChip(); 1765 } 1766 } 1767 1768 /** 1769 * Replace this currently selected chip with a new chip 1770 * that uses the contact data provided. 1771 */ 1772 public void replaceChip(RecipientChip chip, RecipientEntry entry) { 1773 boolean wasSelected = chip == mSelectedChip; 1774 if (wasSelected) { 1775 mSelectedChip = null; 1776 } 1777 int start = getChipStart(chip); 1778 int end = getChipEnd(chip); 1779 getSpannable().removeSpan(chip); 1780 Editable editable = getText(); 1781 CharSequence chipText = createChip(entry, false); 1782 if (start == -1 || end == -1) { 1783 Log.e(TAG, "The chip to replace does not exist but should."); 1784 editable.insert(0, chipText); 1785 } else { 1786 if (!TextUtils.isEmpty(chipText)) { 1787 // There may be a space to replace with this chip's new 1788 // associated 1789 // space. Check for it 1790 int toReplace = end; 1791 while (toReplace >= 0 && toReplace < editable.length() 1792 && editable.charAt(toReplace) == ' ') { 1793 toReplace++; 1794 } 1795 editable.replace(start, toReplace, chipText); 1796 } 1797 } 1798 setCursorVisible(true); 1799 if (wasSelected) { 1800 clearSelectedChip(); 1801 } 1802 } 1803 1804 /** 1805 * Handle click events for a chip. When a selected chip receives a click 1806 * event, see if that event was in the delete icon. If so, delete it. 1807 * Otherwise, unselect the chip. 1808 */ 1809 public void onClick(RecipientChip chip, int offset, float x, float y) { 1810 if (chip.isSelected()) { 1811 if (isInDelete(chip, offset, x, y)) { 1812 removeChip(chip); 1813 } else { 1814 clearSelectedChip(); 1815 } 1816 } 1817 } 1818 1819 private boolean chipsPending() { 1820 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1821 } 1822 1823 @Override 1824 public void removeTextChangedListener(TextWatcher watcher) { 1825 mTextWatcher = null; 1826 super.removeTextChangedListener(watcher); 1827 } 1828 1829 private class RecipientTextWatcher implements TextWatcher { 1830 @Override 1831 public void afterTextChanged(Editable s) { 1832 // If the text has been set to null or empty, make sure we remove 1833 // all the spans we applied. 1834 if (TextUtils.isEmpty(s)) { 1835 // Remove all the chips spans. 1836 Spannable spannable = getSpannable(); 1837 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1838 RecipientChip.class); 1839 for (RecipientChip chip : chips) { 1840 spannable.removeSpan(chip); 1841 } 1842 if (mMoreChip != null) { 1843 spannable.removeSpan(mMoreChip); 1844 } 1845 return; 1846 } 1847 // Get whether there are any recipients pending addition to the 1848 // view. If there are, don't do anything in the text watcher. 1849 if (chipsPending()) { 1850 return; 1851 } 1852 // If the user is editing a chip, don't clear it. 1853 if (mSelectedChip != null 1854 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1855 setCursorVisible(true); 1856 setSelection(getText().length()); 1857 clearSelectedChip(); 1858 } 1859 int length = s.length(); 1860 // Make sure there is content there to parse and that it is 1861 // not just the commit character. 1862 if (length > 1) { 1863 char last; 1864 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1865 int len = length() - 1; 1866 if (end != len) { 1867 last = s.charAt(end); 1868 } else { 1869 last = s.charAt(len); 1870 } 1871 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1872 commitByCharacter(); 1873 } else if (last == COMMIT_CHAR_SPACE) { 1874 // Check if this is a valid email address. If it is, 1875 // commit it. 1876 String text = getText().toString(); 1877 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1878 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1879 tokenStart)); 1880 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1881 commitByCharacter(); 1882 } 1883 } 1884 } 1885 } 1886 1887 @Override 1888 public void onTextChanged(CharSequence s, int start, int before, int count) { 1889 // Do nothing. 1890 } 1891 1892 @Override 1893 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1894 // Do nothing. 1895 } 1896 } 1897 1898 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 1899 private RecipientChip createFreeChip(RecipientEntry entry) { 1900 try { 1901 return constructChipSpan(entry, -1, false); 1902 } catch (NullPointerException e) { 1903 Log.e(TAG, e.getMessage(), e); 1904 return null; 1905 } 1906 } 1907 1908 @Override 1909 protected Void doInBackground(Void... params) { 1910 if (mIndividualReplacements != null) { 1911 mIndividualReplacements.cancel(true); 1912 } 1913 // For each chip in the list, look up the matching contact. 1914 // If there is a match, replace that chip with the matching 1915 // chip. 1916 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 1917 RecipientChip[] existingChips = getSortedRecipients(); 1918 for (int i = 0; i < existingChips.length; i++) { 1919 originalRecipients.add(existingChips[i]); 1920 } 1921 if (mRemovedSpans != null) { 1922 originalRecipients.addAll(mRemovedSpans); 1923 } 1924 String[] addresses = new String[originalRecipients.size()]; 1925 for (int i = 0; i < originalRecipients.size(); i++) { 1926 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1927 } 1928 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1929 .getMatchingRecipients(getContext(), addresses); 1930 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 1931 for (final RecipientChip temp : originalRecipients) { 1932 RecipientEntry entry = null; 1933 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1934 && getSpannable().getSpanStart(temp) != -1) { 1935 // Replace this. 1936 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 1937 .getDestination()))); 1938 } 1939 if (entry != null) { 1940 replacements.add(createFreeChip(entry)); 1941 } else { 1942 replacements.add(temp); 1943 } 1944 } 1945 if (replacements != null && replacements.size() > 0) { 1946 mHandler.post(new Runnable() { 1947 @Override 1948 public void run() { 1949 SpannableStringBuilder text = new SpannableStringBuilder(getText() 1950 .toString()); 1951 Editable oldText = getText(); 1952 int start, end; 1953 int i = 0; 1954 for (RecipientChip chip : originalRecipients) { 1955 start = oldText.getSpanStart(chip); 1956 if (start != -1) { 1957 end = oldText.getSpanEnd(chip); 1958 text.removeSpan(chip); 1959 // Leave a spot for the space! 1960 RecipientChip replacement = replacements.get(i); 1961 text.setSpan(replacement, start, end, 1962 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1963 replacement.setOriginalText(text.toString().substring(start, end)); 1964 } 1965 i++; 1966 } 1967 Editable editable = getText(); 1968 editable.clear(); 1969 editable.insert(0, text); 1970 originalRecipients.clear(); 1971 } 1972 }); 1973 } 1974 return null; 1975 } 1976 } 1977 1978 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 1979 @SuppressWarnings("unchecked") 1980 @Override 1981 protected Void doInBackground(Object... params) { 1982 // For each chip in the list, look up the matching contact. 1983 // If there is a match, replace that chip with the matching 1984 // chip. 1985 final ArrayList<RecipientChip> originalRecipients = 1986 (ArrayList<RecipientChip>) params[0]; 1987 String[] addresses = new String[originalRecipients.size()]; 1988 for (int i = 0; i < originalRecipients.size(); i++) { 1989 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1990 } 1991 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1992 .getMatchingRecipients(getContext(), addresses); 1993 for (final RecipientChip temp : originalRecipients) { 1994 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1995 && getSpannable().getSpanStart(temp) != -1) { 1996 // Replace this. 1997 final RecipientEntry entry = createValidatedEntry(entries 1998 .get(tokenizeAddress(temp.getEntry().getDestination()))); 1999 if (entry != null) { 2000 mHandler.post(new Runnable() { 2001 @Override 2002 public void run() { 2003 replaceChip(temp, entry); 2004 } 2005 }); 2006 } 2007 } 2008 } 2009 return null; 2010 } 2011 } 2012 2013 2014 /** 2015 * MoreImageSpan is a simple class created for tracking the existence of a 2016 * more chip across activity restarts/ 2017 */ 2018 private class MoreImageSpan extends ImageSpan { 2019 public MoreImageSpan(Drawable b) { 2020 super(b); 2021 } 2022 } 2023 2024 @Override 2025 public boolean onDown(MotionEvent e) { 2026 return false; 2027 } 2028 2029 @Override 2030 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2031 // Do nothing. 2032 return false; 2033 } 2034 2035 @Override 2036 public void onLongPress(MotionEvent event) { 2037 if (mSelectedChip != null) { 2038 return; 2039 } 2040 float x = event.getX(); 2041 float y = event.getY(); 2042 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2043 RecipientChip currentChip = findChip(offset); 2044 if (currentChip != null) { 2045 // Copy the selected chip email address. 2046 showCopyDialog(currentChip.getEntry().getDestination()); 2047 } 2048 } 2049 2050 private void showCopyDialog(final String address) { 2051 mCopyAddress = address; 2052 mCopyDialog.setTitle(address); 2053 mCopyDialog.setContentView(mCopyViewRes); 2054 mCopyDialog.setCancelable(true); 2055 mCopyDialog.setCanceledOnTouchOutside(true); 2056 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 2057 mCopyDialog.setOnDismissListener(this); 2058 mCopyDialog.show(); 2059 } 2060 2061 @Override 2062 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2063 // Do nothing. 2064 return false; 2065 } 2066 2067 @Override 2068 public void onShowPress(MotionEvent e) { 2069 // Do nothing. 2070 } 2071 2072 @Override 2073 public boolean onSingleTapUp(MotionEvent e) { 2074 // Do nothing. 2075 return false; 2076 } 2077 2078 @Override 2079 public void onDismiss(DialogInterface dialog) { 2080 mCopyAddress = null; 2081 } 2082 2083 @Override 2084 public void onClick(View v) { 2085 // Copy this to the clipboard. 2086 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2087 Context.CLIPBOARD_SERVICE); 2088 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2089 mCopyDialog.dismiss(); 2090 } 2091} 2092