RecipientEditTextView.java revision b4e244af14950aee7d612612d5406981315d3454
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.graphics.Bitmap; 27import android.graphics.BitmapFactory; 28import android.graphics.Canvas; 29import android.graphics.Matrix; 30import android.graphics.Rect; 31import android.graphics.RectF; 32import android.graphics.drawable.BitmapDrawable; 33import android.graphics.drawable.Drawable; 34import android.os.AsyncTask; 35import android.os.Handler; 36import android.os.Message; 37import android.os.Parcelable; 38import android.text.Editable; 39import android.text.InputType; 40import android.text.Layout; 41import android.text.Spannable; 42import android.text.SpannableString; 43import android.text.SpannableStringBuilder; 44import android.text.Spanned; 45import android.text.TextPaint; 46import android.text.TextUtils; 47import android.text.TextWatcher; 48import android.text.method.QwertyKeyListener; 49import android.text.style.ImageSpan; 50import android.text.util.Rfc822Token; 51import android.text.util.Rfc822Tokenizer; 52import android.util.AttributeSet; 53import android.util.Log; 54import android.view.ActionMode; 55import android.view.ActionMode.Callback; 56import android.view.GestureDetector; 57import android.view.KeyEvent; 58import android.view.LayoutInflater; 59import android.view.Menu; 60import android.view.MenuItem; 61import android.view.MotionEvent; 62import android.view.View; 63import android.view.View.OnClickListener; 64import android.view.ViewParent; 65import android.widget.AdapterView; 66import android.widget.AdapterView.OnItemClickListener; 67import android.widget.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 char COMMIT_CHAR_COMMA = ','; 94 95 private static final char COMMIT_CHAR_SEMICOLON = ';'; 96 97 private static final char COMMIT_CHAR_SPACE = ' '; 98 99 private static final String TAG = "RecipientEditTextView"; 100 101 private static int DISMISS = "dismiss".hashCode(); 102 103 private static final long DISMISS_DELAY = 300; 104 105 // TODO: get correct number/ algorithm from with UX. 106 private static final int CHIP_LIMIT = 2; 107 108 private static int sSelectedTextColor = -1; 109 110 // Resources for displaying chips. 111 private Drawable mChipBackground = null; 112 113 private Drawable mChipDelete = null; 114 115 private Drawable mInvalidChipBackground; 116 117 private Drawable mChipBackgroundPressed; 118 119 private float mChipHeight; 120 121 private float mChipFontSize; 122 123 private int mChipPadding; 124 125 private Tokenizer mTokenizer; 126 127 private Validator mValidator; 128 129 private RecipientChip mSelectedChip; 130 131 private int mAlternatesLayout; 132 133 private Bitmap mDefaultContactPhoto; 134 135 private ImageSpan mMoreChip; 136 137 private TextView mMoreItem; 138 139 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 140 141 private Handler mHandler; 142 143 private int mPendingChipsCount = 0; 144 145 private ListPopupWindow mAlternatesPopup; 146 147 private ListPopupWindow mAddressPopup; 148 149 private ArrayList<RecipientChip> mTemporaryRecipients; 150 151 private ArrayList<RecipientChip> mRemovedSpans; 152 153 private boolean mShouldShrink = true; 154 155 // Chip copy fields. 156 private GestureDetector mGestureDetector; 157 158 private Dialog mCopyDialog; 159 160 private int mCopyViewRes; 161 162 private String mCopyAddress; 163 164 /** 165 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 166 * selected chip. 167 */ 168 private OnItemClickListener mAlternatesListener; 169 170 private int mCheckedItem; 171 172 private TextWatcher mTextWatcher; 173 174 // Obtain the enclosing scroll view, if it exists, so that the view can be 175 // scrolled to show the last line of chips content. 176 private ScrollView mScrollView; 177 178 private boolean mTriedGettingScrollView; 179 180 private final Runnable mAddTextWatcher = new Runnable() { 181 @Override 182 public void run() { 183 if (mTextWatcher == null) { 184 mTextWatcher = new RecipientTextWatcher(); 185 addTextChangedListener(mTextWatcher); 186 } 187 } 188 }; 189 190 private IndividualReplacementTask mIndividualReplacements; 191 192 private Runnable mHandlePendingChips = new Runnable() { 193 194 @Override 195 public void run() { 196 handlePendingChips(); 197 } 198 199 }; 200 201 private Runnable mDelayedShrink = new Runnable() { 202 203 @Override 204 public void run() { 205 shrink(); 206 } 207 208 }; 209 210 public RecipientEditTextView(Context context, AttributeSet attrs) { 211 super(context, attrs); 212 if (sSelectedTextColor == -1) { 213 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 214 } 215 mAlternatesPopup = new ListPopupWindow(context); 216 mAlternatesPopup.setOnDismissListener(this); 217 mAddressPopup = new ListPopupWindow(context); 218 mAddressPopup.setOnDismissListener(this); 219 mCopyDialog = new Dialog(context); 220 mAlternatesListener = new OnItemClickListener() { 221 @Override 222 public void onItemClick(AdapterView<?> adapterView,View view, int position, 223 long rowId) { 224 mAlternatesPopup.setOnItemClickListener(null); 225 setEnabled(true); 226 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 227 .getRecipientEntry(position)); 228 Message delayed = Message.obtain(mHandler, DISMISS); 229 delayed.obj = mAlternatesPopup; 230 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 231 clearComposingText(); 232 } 233 }; 234 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 235 setOnItemClickListener(this); 236 setCustomSelectionActionModeCallback(this); 237 mHandler = new Handler() { 238 @Override 239 public void handleMessage(Message msg) { 240 if (msg.what == DISMISS) { 241 ((ListPopupWindow) msg.obj).dismiss(); 242 return; 243 } 244 super.handleMessage(msg); 245 } 246 }; 247 mTextWatcher = new RecipientTextWatcher(); 248 addTextChangedListener(mTextWatcher); 249 mGestureDetector = new GestureDetector(context, this); 250 } 251 252 /*package*/ RecipientChip getLastChip() { 253 RecipientChip last = null; 254 RecipientChip[] chips = getSortedRecipients(); 255 if (chips != null && chips.length > 0) { 256 last = chips[chips.length - 1]; 257 } 258 return last; 259 } 260 261 @Override 262 public void onSelectionChanged(int start, int end) { 263 // When selection changes, see if it is inside the chips area. 264 // If so, move the cursor back after the chips again. 265 RecipientChip last = getLastChip(); 266 if (last != null) { 267 // Grab the last chip and set the cursor to after it. 268 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 269 } 270 super.onSelectionChanged(start, end); 271 } 272 273 @Override 274 public void onRestoreInstanceState(Parcelable state) { 275 if (!TextUtils.isEmpty(getText())) { 276 super.onRestoreInstanceState(null); 277 } else { 278 super.onRestoreInstanceState(state); 279 } 280 } 281 282 @Override 283 public Parcelable onSaveInstanceState() { 284 // If the user changes orientation while they are editing, just roll back the selection. 285 clearSelectedChip(); 286 return super.onSaveInstanceState(); 287 } 288 289 /** 290 * Convenience method: Append the specified text slice to the TextView's 291 * display buffer, upgrading it to BufferType.EDITABLE if it was 292 * not already editable. Commas are excluded as they are added automatically 293 * by the view. 294 */ 295 @Override 296 public void append(CharSequence text, int start, int end) { 297 // We don't care about watching text changes while appending. 298 if (mTextWatcher != null) { 299 removeTextChangedListener(mTextWatcher); 300 } 301 super.append(text, start, end); 302 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 303 final String displayString = (String) text; 304 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 305 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 306 && TextUtils.getTrimmedLength(displayString) > 0) { 307 mPendingChipsCount++; 308 mPendingChips.add((String)text); 309 } 310 } 311 // Put a message on the queue to make sure we ALWAYS handle pending chips. 312 if (mPendingChipsCount > 0) { 313 postHandlePendingChips(); 314 } 315 mHandler.post(mAddTextWatcher); 316 } 317 318 @Override 319 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 320 super.onFocusChanged(hasFocus, direction, previous); 321 if (!hasFocus) { 322 shrink(); 323 } else { 324 expand(); 325 scrollLineIntoView(getLineCount()); 326 } 327 } 328 329 @Override 330 public void performValidation() { 331 // Do nothing. Chips handles its own validation. 332 } 333 334 private void shrink() { 335 if (mSelectedChip != null 336 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 337 clearSelectedChip(); 338 } else { 339 if (getWidth() <= 0) { 340 // We don't have the width yet which means the view hasn't been drawn yet 341 // and there is no reason to attempt to commit chips yet. 342 // This focus lost must be the result of an orientation change 343 // or an initial rendering. 344 // Re-post the shrink for later. 345 mHandler.removeCallbacks(mDelayedShrink); 346 mHandler.post(mDelayedShrink); 347 return; 348 } 349 // Reset any pending chips as they would have been handled 350 // when the field lost focus. 351 if (mPendingChipsCount > 0) { 352 postHandlePendingChips(); 353 } else { 354 Editable editable = getText(); 355 int end = getSelectionEnd(); 356 int start = mTokenizer.findTokenStart(editable, end); 357 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 358 if ((chips == null || chips.length == 0)) { 359 Editable text = getText(); 360 int whatEnd = mTokenizer.findTokenEnd(text, start); 361 // This token was already tokenized, so skip past the ending token. 362 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 363 whatEnd++; 364 } 365 // In the middle of chip; treat this as an edit 366 // and commit the whole token. 367 int selEnd = getSelectionEnd(); 368 if (whatEnd != selEnd && whatEnd != editable.toString().trim().length()) { 369 handleEdit(start, whatEnd); 370 } else { 371 commitChip(start, end, editable); 372 } 373 } 374 } 375 mHandler.post(mAddTextWatcher); 376 } 377 createMoreChip(); 378 } 379 380 private void expand() { 381 removeMoreChip(); 382 setCursorVisible(true); 383 Editable text = getText(); 384 setSelection(text != null && text.length() > 0 ? text.length() : 0); 385 // If there are any temporary chips, try replacing them now that the user 386 // has expanded the field. 387 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 388 new RecipientReplacementTask().execute(); 389 mTemporaryRecipients = null; 390 } 391 } 392 393 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 394 paint.setTextSize(mChipFontSize); 395 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 396 Log.d(TAG, "Max width is negative: " + maxWidth); 397 } 398 return TextUtils.ellipsize(text, paint, maxWidth, 399 TextUtils.TruncateAt.END); 400 } 401 402 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 403 // Ellipsize the text so that it takes AT MOST the entire width of the 404 // autocomplete text entry area. Make sure to leave space for padding 405 // on the sides. 406 int height = (int) mChipHeight; 407 int deleteWidth = height; 408 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 409 calculateAvailableWidth(true) - deleteWidth); 410 411 // Make sure there is a minimum chip width so the user can ALWAYS 412 // tap a chip without difficulty. 413 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 414 ellipsizedText.length())) 415 + (mChipPadding * 2) + deleteWidth); 416 417 // Create the background of the chip. 418 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 419 Canvas canvas = new Canvas(tmpBitmap); 420 if (mChipBackgroundPressed != null) { 421 mChipBackgroundPressed.setBounds(0, 0, width, height); 422 mChipBackgroundPressed.draw(canvas); 423 paint.setColor(sSelectedTextColor); 424 // Vertically center the text in the chip. 425 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 426 getTextYOffset((String) ellipsizedText, paint, height), paint); 427 // Make the delete a square. 428 Rect backgroundPadding = new Rect(); 429 mChipBackgroundPressed.getPadding(backgroundPadding); 430 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 431 0 + backgroundPadding.top, 432 width - backgroundPadding.right, 433 height - backgroundPadding.bottom); 434 mChipDelete.draw(canvas); 435 } else { 436 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 437 } 438 return tmpBitmap; 439 } 440 441 442 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 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 449 calculateAvailableWidth(false) - iconWidth); 450 // Make sure there is a minimum chip width so the user can ALWAYS 451 // tap a chip without difficulty. 452 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 453 ellipsizedText.length())) 454 + (mChipPadding * 2) + iconWidth); 455 456 // Create the background of the chip. 457 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 458 Canvas canvas = new Canvas(tmpBitmap); 459 Drawable background = getChipBackground(contact); 460 if (background != null) { 461 background.setBounds(0, 0, width, height); 462 background.draw(canvas); 463 464 // Don't draw photos for recipients that have been typed in. 465 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 466 byte[] photoBytes = contact.getPhotoBytes(); 467 // There may not be a photo yet if anything but the first contact address 468 // was selected. 469 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 470 // TODO: cache this in the recipient entry? 471 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 472 .getPhotoThumbnailUri()); 473 photoBytes = contact.getPhotoBytes(); 474 } 475 476 Bitmap photo; 477 if (photoBytes != null) { 478 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 479 } else { 480 // TODO: can the scaled down default photo be cached? 481 photo = mDefaultContactPhoto; 482 } 483 // Draw the photo on the left side. 484 if (photo != null) { 485 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 486 Rect backgroundPadding = new Rect(); 487 mChipBackground.getPadding(backgroundPadding); 488 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 489 0 + backgroundPadding.top, 490 width - backgroundPadding.right, 491 height - backgroundPadding.bottom); 492 Matrix matrix = new Matrix(); 493 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 494 canvas.drawBitmap(photo, matrix, paint); 495 } 496 } else { 497 // Don't leave any space for the icon. It isn't being drawn. 498 iconWidth = 0; 499 } 500 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 501 // Vertically center the text in the chip. 502 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 503 getTextYOffset((String)ellipsizedText, paint, height), paint); 504 } else { 505 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 506 } 507 return tmpBitmap; 508 } 509 510 /** 511 * Get the background drawable for a RecipientChip. 512 */ 513 // Visible for testing. 514 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 515 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 516 mChipBackground : mInvalidChipBackground; 517 } 518 519 private float getTextYOffset(String text, TextPaint paint, int height) { 520 Rect bounds = new Rect(); 521 paint.getTextBounds((String)text, 0, text.length(), bounds); 522 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 523 return height - ((height - textHeight) / 2); 524 } 525 526 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 527 throws NullPointerException { 528 if (mChipBackground == null) { 529 throw new NullPointerException( 530 "Unable to render any chips as setChipDimensions was not called."); 531 } 532 Layout layout = getLayout(); 533 534 TextPaint paint = getPaint(); 535 float defaultSize = paint.getTextSize(); 536 int defaultColor = paint.getColor(); 537 538 Bitmap tmpBitmap; 539 if (pressed) { 540 tmpBitmap = createSelectedChip(contact, paint, layout); 541 542 } else { 543 tmpBitmap = createUnselectedChip(contact, paint, layout); 544 } 545 546 // Pass the full text, un-ellipsized, to the chip. 547 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 548 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 549 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 550 // Return text to the original size. 551 paint.setTextSize(defaultSize); 552 paint.setColor(defaultColor); 553 return recipientChip; 554 } 555 556 /** 557 * Calculate the bottom of the line the chip will be located on using: 558 * 1) which line the chip appears on 559 * 2) the height of a chip 560 * 3) padding built into the edit text view 561 */ 562 private int calculateOffsetFromBottom(int line) { 563 // Line offsets start at zero. 564 int actualLine = getLineCount() - (line + 1); 565 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 566 + getDropDownVerticalOffset(); 567 } 568 569 /** 570 * Get the max amount of space a chip can take up. The formula takes into 571 * account the width of the EditTextView, any view padding, and padding 572 * that will be added to the chip. 573 */ 574 private float calculateAvailableWidth(boolean pressed) { 575 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 576 } 577 578 /** 579 * Set all chip dimensions and resources. This has to be done from the 580 * application as this is a static library. 581 * @param chipBackground 582 * @param chipBackgroundPressed 583 * @param invalidChip 584 * @param chipDelete 585 * @param defaultContact 586 * @param moreResource 587 * @param alternatesLayout 588 * @param chipHeight 589 * @param padding Padding around the text in a chip 590 * @param chipFontSize 591 * @param copyViewRes 592 */ 593 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 594 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 595 int alternatesLayout, float chipHeight, float padding, 596 float chipFontSize, int copyViewRes) { 597 mChipBackground = chipBackground; 598 mChipBackgroundPressed = chipBackgroundPressed; 599 mChipDelete = chipDelete; 600 mChipPadding = (int) padding; 601 mAlternatesLayout = alternatesLayout; 602 mDefaultContactPhoto = defaultContact; 603 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 604 mChipHeight = chipHeight; 605 mChipFontSize = chipFontSize; 606 mInvalidChipBackground = invalidChip; 607 mCopyViewRes = copyViewRes; 608 } 609 610 // Visible for testing. 611 /* package */ void setMoreItem(TextView moreItem) { 612 mMoreItem = moreItem; 613 } 614 615 616 // Visible for testing. 617 /* package */ void setChipBackground(Drawable chipBackground) { 618 mChipBackground = chipBackground; 619 } 620 621 // Visible for testing. 622 /* package */ void setChipHeight(int height) { 623 mChipHeight = height; 624 } 625 626 /** 627 * Set whether to shrink the recipients field such that at most 628 * one line of recipients chips are shown when the field loses 629 * focus. By default, the number of displayed recipients will be 630 * limited and a "more" chip will be shown when focus is lost. 631 * @param shrink 632 */ 633 public void setOnFocusListShrinkRecipients(boolean shrink) { 634 mShouldShrink = shrink; 635 } 636 637 @Override 638 public void onSizeChanged(int width, int height, int oldw, int oldh) { 639 super.onSizeChanged(width, height, oldw, oldh); 640 if (width != 0 && height != 0) { 641 if (mPendingChipsCount > 0) { 642 postHandlePendingChips(); 643 } else { 644 checkChipWidths(); 645 } 646 } 647 // Try to find the scroll view parent, if it exists. 648 if (mScrollView == null && !mTriedGettingScrollView) { 649 ViewParent parent = getParent(); 650 while (parent != null && !(parent instanceof ScrollView)) { 651 parent = parent.getParent(); 652 } 653 if (parent != null) { 654 mScrollView = (ScrollView) parent; 655 } 656 mTriedGettingScrollView = true; 657 } 658 } 659 660 private void postHandlePendingChips() { 661 mHandler.removeCallbacks(mHandlePendingChips); 662 mHandler.post(mHandlePendingChips); 663 } 664 665 private void checkChipWidths() { 666 // Check the widths of the associated chips. 667 RecipientChip[] chips = getSortedRecipients(); 668 if (chips != null) { 669 Rect bounds; 670 for (RecipientChip chip : chips) { 671 bounds = chip.getDrawable().getBounds(); 672 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 673 // Need to redraw that chip. 674 replaceChip(chip, chip.getEntry()); 675 } 676 } 677 } 678 } 679 680 private void handlePendingChips() { 681 if (getWidth() <= 0) { 682 // The widget has not been sized yet. 683 // This will be called as a result of onSizeChanged 684 // at a later point. 685 return; 686 } 687 688 if (mPendingChipsCount <= 0) { 689 return; 690 } 691 692 synchronized (mPendingChips) { 693 Editable editable = getText(); 694 // Tokenize! 695 for (int i = 0; i < mPendingChips.size(); i++) { 696 String current = mPendingChips.get(i); 697 int tokenStart = editable.toString().indexOf(current); 698 int tokenEnd = tokenStart + current.length(); 699 if (tokenStart >= 0) { 700 // When we have a valid token, include it with the token 701 // to the left. 702 if (tokenEnd < editable.length() - 2 703 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 704 tokenEnd++; 705 } 706 createReplacementChip(tokenStart, tokenEnd, editable); 707 } 708 mPendingChipsCount--; 709 } 710 sanitizeEnd(); 711 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 712 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 713 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 714 new RecipientReplacementTask().execute(); 715 mTemporaryRecipients = null; 716 } else { 717 // Create the "more" chip 718 mIndividualReplacements = new IndividualReplacementTask(); 719 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 720 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 721 722 createMoreChip(); 723 } 724 } else { 725 // There are too many recipients to look up, so just fall back 726 // to showing addresses for all of them. 727 mTemporaryRecipients = null; 728 createMoreChip(); 729 } 730 mPendingChipsCount = 0; 731 mPendingChips.clear(); 732 } 733 } 734 735 /** 736 * Remove any characters after the last valid chip. 737 */ 738 // Visible for testing. 739 /*package*/ void sanitizeEnd() { 740 // Find the last chip; eliminate any commit characters after it. 741 RecipientChip[] chips = getSortedRecipients(); 742 if (chips != null && chips.length > 0) { 743 int end; 744 ImageSpan lastSpan; 745 mMoreChip = getMoreChip(); 746 if (mMoreChip != null) { 747 lastSpan = mMoreChip; 748 } else { 749 lastSpan = getLastChip(); 750 } 751 end = getSpannable().getSpanEnd(lastSpan); 752 Editable editable = getText(); 753 int length = editable.length(); 754 if (length > end) { 755 // See what characters occur after that and eliminate them. 756 if (Log.isLoggable(TAG, Log.DEBUG)) { 757 Log.d(TAG, "There were extra characters after the last tokenizable entry." 758 + editable); 759 } 760 editable.delete(end + 1, length); 761 } 762 } 763 } 764 765 /** 766 * Create a chip that represents just the email address of a recipient. At some later 767 * point, this chip will be attached to a real contact entry, if one exists. 768 */ 769 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 770 if (alreadyHasChip(tokenStart, tokenEnd)) { 771 // There is already a chip present at this location. 772 // Don't recreate it. 773 return; 774 } 775 String token = editable.toString().substring(tokenStart, tokenEnd); 776 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 777 if (commitCharIndex == token.length() - 1) { 778 token = token.substring(0, token.length() - 1); 779 } 780 RecipientEntry entry = createTokenizedEntry(token); 781 if (entry != null) { 782 String destText = createAddressText(entry); 783 // Always leave a blank space at the end of a chip. 784 int textLength = destText.length() - 1; 785 SpannableString chipText = new SpannableString(destText); 786 int end = getSelectionEnd(); 787 int start = mTokenizer.findTokenStart(getText(), end); 788 RecipientChip chip = null; 789 try { 790 chip = constructChipSpan(entry, start, false); 791 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 792 } catch (NullPointerException e) { 793 Log.e(TAG, e.getMessage(), e); 794 } 795 editable.replace(tokenStart, tokenEnd, chipText); 796 // Add this chip to the list of entries "to replace" 797 if (chip != null) { 798 if (mTemporaryRecipients == null) { 799 mTemporaryRecipients = new ArrayList<RecipientChip>(); 800 } 801 chip.setOriginalText(chipText.toString()); 802 mTemporaryRecipients.add(chip); 803 } 804 } 805 } 806 807 private RecipientEntry createTokenizedEntry(String token) { 808 if (TextUtils.isEmpty(token)) { 809 return null; 810 } 811 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 812 String display = null; 813 if (isValid(token) && tokens != null && tokens.length > 0) { 814 // If we can get a name from tokenizing, then generate an entry from 815 // this. 816 display = tokens[0].getName(); 817 if (!TextUtils.isEmpty(display)) { 818 return RecipientEntry.constructGeneratedEntry(display, token); 819 } else { 820 display = tokens[0].getAddress(); 821 if (!TextUtils.isEmpty(display)) { 822 return RecipientEntry.constructFakeEntry(display); 823 } 824 } 825 } 826 // Unable to validate the token or to create a valid token from it. 827 // Just create a chip the user can edit. 828 String validatedToken = null; 829 if (mValidator != null && !mValidator.isValid(token)) { 830 // Try fixing up the entry using the validator. 831 validatedToken = mValidator.fixText(token).toString(); 832 if (!TextUtils.isEmpty(validatedToken)) { 833 if (validatedToken.contains(token)) { 834 // protect against the case of a validator with a null domain, 835 // which doesn't add a domain to the token 836 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 837 if (tokenized.length > 0) { 838 validatedToken = tokenized[0].getAddress(); 839 } 840 } else { 841 // We ran into a case where the token was invalid and removed 842 // by the validator. In this case, just use the original token 843 // and let the user sort out the error chip. 844 validatedToken = null; 845 } 846 } 847 } 848 // Otherwise, fallback to just creating an editable email address chip. 849 return RecipientEntry 850 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 851 } 852 853 private boolean isValid(String text) { 854 return mValidator == null ? true : mValidator.isValid(text); 855 } 856 857 private String tokenizeAddress(String destination) { 858 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 859 if (tokens != null && tokens.length > 0) { 860 return tokens[0].getAddress(); 861 } 862 return destination; 863 } 864 865 @Override 866 public void setTokenizer(Tokenizer tokenizer) { 867 mTokenizer = tokenizer; 868 super.setTokenizer(mTokenizer); 869 } 870 871 @Override 872 public void setValidator(Validator validator) { 873 mValidator = validator; 874 super.setValidator(validator); 875 } 876 877 /** 878 * We cannot use the default mechanism for replaceText. Instead, 879 * we override onItemClickListener so we can get all the associated 880 * contact information including display text, address, and id. 881 */ 882 @Override 883 protected void replaceText(CharSequence text) { 884 return; 885 } 886 887 /** 888 * Dismiss any selected chips when the back key is pressed. 889 */ 890 @Override 891 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 892 if (keyCode == KeyEvent.KEYCODE_BACK) { 893 clearSelectedChip(); 894 } 895 return super.onKeyPreIme(keyCode, event); 896 } 897 898 /** 899 * Monitor key presses in this view to see if the user types 900 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 901 * If the user has entered text that has contact matches and types 902 * a commit key, create a chip from the topmost matching contact. 903 * If the user has entered text that has no contact matches and types 904 * a commit key, then create a chip from the text they have entered. 905 */ 906 @Override 907 public boolean onKeyUp(int keyCode, KeyEvent event) { 908 switch (keyCode) { 909 case KeyEvent.KEYCODE_ENTER: 910 case KeyEvent.KEYCODE_DPAD_CENTER: 911 if (event.hasNoModifiers()) { 912 if (commitDefault()) { 913 return true; 914 } 915 if (mSelectedChip != null) { 916 clearSelectedChip(); 917 return true; 918 } else if (focusNext()) { 919 return true; 920 } 921 } 922 break; 923 case KeyEvent.KEYCODE_TAB: 924 if (event.hasNoModifiers()) { 925 if (mSelectedChip != null) { 926 clearSelectedChip(); 927 } else { 928 commitDefault(); 929 } 930 if (focusNext()) { 931 return true; 932 } 933 } 934 } 935 return super.onKeyUp(keyCode, event); 936 } 937 938 private boolean focusNext() { 939 View next = focusSearch(View.FOCUS_DOWN); 940 if (next != null) { 941 next.requestFocus(); 942 return true; 943 } 944 return false; 945 } 946 947 /** 948 * Create a chip from the default selection. If the popup is showing, the 949 * default is the first item in the popup suggestions list. Otherwise, it is 950 * whatever the user had typed in. End represents where the the tokenizer 951 * should search for a token to turn into a chip. 952 * @return If a chip was created from a real contact. 953 */ 954 private boolean commitDefault() { 955 Editable editable = getText(); 956 int end = getSelectionEnd(); 957 int start = mTokenizer.findTokenStart(editable, end); 958 959 if (shouldCreateChip(start, end)) { 960 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 961 // In the middle of chip; treat this as an edit 962 // and commit the whole token. 963 if (whatEnd != getSelectionEnd()) { 964 handleEdit(start, whatEnd); 965 return true; 966 } 967 return commitChip(start, end , editable); 968 } 969 return false; 970 } 971 972 private void commitByCharacter() { 973 Editable editable = getText(); 974 int end = getSelectionEnd(); 975 int start = mTokenizer.findTokenStart(editable, end); 976 if (shouldCreateChip(start, end)) { 977 commitChip(start, end, editable); 978 } 979 setSelection(getText().length()); 980 } 981 982 private boolean commitChip(int start, int end, Editable editable) { 983 ListAdapter adapter = getAdapter(); 984 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 985 && end == getSelectionEnd()) { 986 // choose the first entry. 987 submitItemAtPosition(0); 988 dismissDropDown(); 989 return true; 990 } else { 991 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 992 if (editable.length() > tokenEnd + 1) { 993 char charAt = editable.charAt(tokenEnd + 1); 994 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 995 tokenEnd++; 996 } 997 } 998 String text = editable.toString().substring(start, tokenEnd).trim(); 999 clearComposingText(); 1000 if (text != null && text.length() > 0 && !text.equals(" ")) { 1001 RecipientEntry entry = createTokenizedEntry(text); 1002 if (entry != null) { 1003 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1004 CharSequence chipText = createChip(entry, false); 1005 if (chipText != null && start > -1 && end > -1) { 1006 editable.replace(start, end, chipText); 1007 } 1008 } 1009 // Only dismiss the dropdown if it is related to the text we 1010 // just committed. 1011 // For paste, it may not be as there are possibly multiple 1012 // tokens being added. 1013 if (end == getSelectionEnd()) { 1014 dismissDropDown(); 1015 } 1016 sanitizeBetween(); 1017 return true; 1018 } 1019 } 1020 return false; 1021 } 1022 1023 // Visible for testing. 1024 /* package */ void sanitizeBetween() { 1025 // Find the last chip. 1026 RecipientChip[] recips = getSortedRecipients(); 1027 if (recips != null && recips.length > 0) { 1028 RecipientChip last = recips[recips.length - 1]; 1029 RecipientChip beforeLast = null; 1030 if (recips.length > 1) { 1031 beforeLast = recips[recips.length - 2]; 1032 } 1033 int startLooking = 0; 1034 int end = getSpannable().getSpanStart(last); 1035 if (beforeLast != null) { 1036 startLooking = getSpannable().getSpanEnd(beforeLast); 1037 Editable text = getText(); 1038 if (startLooking == -1 || startLooking > text.length() - 1) { 1039 // There is nothing after this chip. 1040 return; 1041 } 1042 if (text.charAt(startLooking) == ' ') { 1043 startLooking++; 1044 } 1045 } 1046 if (startLooking >= 0 && end >= 0 && startLooking != end) { 1047 getText().delete(startLooking, end); 1048 } 1049 } 1050 } 1051 1052 private boolean shouldCreateChip(int start, int end) { 1053 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1054 } 1055 1056 private boolean alreadyHasChip(int start, int end) { 1057 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1058 if ((chips == null || chips.length == 0)) { 1059 return false; 1060 } 1061 return true; 1062 } 1063 1064 private void handleEdit(int start, int end) { 1065 if (start == -1 || end == -1) { 1066 // This chip no longer exists in the field. 1067 dismissDropDown(); 1068 return; 1069 } 1070 // This is in the middle of a chip, so select out the whole chip 1071 // and commit it. 1072 Editable editable = getText(); 1073 setSelection(end); 1074 String text = getText().toString().substring(start, end); 1075 if (!TextUtils.isEmpty(text)) { 1076 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1077 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1078 CharSequence chipText = createChip(entry, false); 1079 if (chipText != null) { 1080 editable.replace(start, getSelectionEnd(), chipText); 1081 } 1082 } 1083 dismissDropDown(); 1084 } 1085 1086 /** 1087 * If there is a selected chip, delegate the key events 1088 * to the selected chip. 1089 */ 1090 @Override 1091 public boolean onKeyDown(int keyCode, KeyEvent event) { 1092 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1093 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1094 mAlternatesPopup.dismiss(); 1095 } 1096 removeChip(mSelectedChip); 1097 } 1098 1099 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1100 return true; 1101 } 1102 1103 return super.onKeyDown(keyCode, event); 1104 } 1105 1106 // Visible for testing. 1107 /* package */ Spannable getSpannable() { 1108 return getText(); 1109 } 1110 1111 private int getChipStart(RecipientChip chip) { 1112 return getSpannable().getSpanStart(chip); 1113 } 1114 1115 private int getChipEnd(RecipientChip chip) { 1116 return getSpannable().getSpanEnd(chip); 1117 } 1118 1119 /** 1120 * Instead of filtering on the entire contents of the edit box, 1121 * this subclass method filters on the range from 1122 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1123 * if the length of that range meets or exceeds {@link #getThreshold} 1124 * and makes sure that the range is not already a Chip. 1125 */ 1126 @Override 1127 protected void performFiltering(CharSequence text, int keyCode) { 1128 if (enoughToFilter() && !isCompletedToken(text)) { 1129 int end = getSelectionEnd(); 1130 int start = mTokenizer.findTokenStart(text, end); 1131 // If this is a RecipientChip, don't filter 1132 // on its contents. 1133 Spannable span = getSpannable(); 1134 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1135 if (chips != null && chips.length > 0) { 1136 return; 1137 } 1138 } 1139 super.performFiltering(text, keyCode); 1140 } 1141 1142 // Visible for testing. 1143 /*package*/ boolean isCompletedToken(CharSequence text) { 1144 if (TextUtils.isEmpty(text)) { 1145 return false; 1146 } 1147 // Check to see if this is a completed token before filtering. 1148 int end = text.length(); 1149 int start = mTokenizer.findTokenStart(text, end); 1150 String token = text.toString().substring(start, end).trim(); 1151 if (!TextUtils.isEmpty(token)) { 1152 char atEnd = token.charAt(token.length() - 1); 1153 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1154 } 1155 return false; 1156 } 1157 1158 private void clearSelectedChip() { 1159 if (mSelectedChip != null) { 1160 unselectChip(mSelectedChip); 1161 mSelectedChip = null; 1162 } 1163 setCursorVisible(true); 1164 } 1165 1166 /** 1167 * Monitor touch events in the RecipientEditTextView. 1168 * If the view does not have focus, any tap on the view 1169 * will just focus the view. If the view has focus, determine 1170 * if the touch target is a recipient chip. If it is and the chip 1171 * is not selected, select it and clear any other selected chips. 1172 * If it isn't, then select that chip. 1173 */ 1174 @Override 1175 public boolean onTouchEvent(MotionEvent event) { 1176 if (!isFocused()) { 1177 // Ignore any chip taps until this view is focused. 1178 return super.onTouchEvent(event); 1179 } 1180 boolean handled = super.onTouchEvent(event); 1181 int action = event.getAction(); 1182 boolean chipWasSelected = false; 1183 if (mSelectedChip == null) { 1184 mGestureDetector.onTouchEvent(event); 1185 } 1186 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1187 float x = event.getX(); 1188 float y = event.getY(); 1189 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1190 RecipientChip currentChip = findChip(offset); 1191 if (currentChip != null) { 1192 if (action == MotionEvent.ACTION_UP) { 1193 if (mSelectedChip != null && mSelectedChip != currentChip) { 1194 clearSelectedChip(); 1195 mSelectedChip = selectChip(currentChip); 1196 } else if (mSelectedChip == null) { 1197 setSelection(getText().length()); 1198 commitDefault(); 1199 mSelectedChip = selectChip(currentChip); 1200 } else { 1201 onClick(mSelectedChip, offset, x, y); 1202 } 1203 } 1204 chipWasSelected = true; 1205 handled = true; 1206 } else if (mSelectedChip != null 1207 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1208 chipWasSelected = true; 1209 } 1210 } 1211 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1212 clearSelectedChip(); 1213 } 1214 return handled; 1215 } 1216 1217 private void scrollLineIntoView(int line) { 1218 if (mScrollView != null) { 1219 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1220 } 1221 } 1222 1223 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1224 int width, Context context) { 1225 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1226 int bottom = calculateOffsetFromBottom(line); 1227 // Align the alternates popup with the left side of the View, 1228 // regardless of the position of the chip tapped. 1229 alternatesPopup.setWidth(width); 1230 setEnabled(false); 1231 alternatesPopup.setAnchorView(this); 1232 alternatesPopup.setVerticalOffset(bottom); 1233 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1234 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1235 // Clear the checked item. 1236 mCheckedItem = -1; 1237 alternatesPopup.show(); 1238 ListView listView = alternatesPopup.getListView(); 1239 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1240 // Checked item would be -1 if the adapter has not 1241 // loaded the view that should be checked yet. The 1242 // variable will be set correctly when onCheckedItemChanged 1243 // is called in a separate thread. 1244 if (mCheckedItem != -1) { 1245 listView.setItemChecked(mCheckedItem, true); 1246 mCheckedItem = -1; 1247 } 1248 } 1249 1250 // Dismiss listener for alterns and single address popup. 1251 @Override 1252 public void onDismiss() { 1253 setEnabled(true); 1254 } 1255 1256 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1257 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1258 mAlternatesLayout, this); 1259 } 1260 1261 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1262 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1263 .getEntry()); 1264 } 1265 1266 @Override 1267 public void onCheckedItemChanged(int position) { 1268 ListView listView = mAlternatesPopup.getListView(); 1269 if (listView != null && listView.getCheckedItemCount() == 0) { 1270 listView.setItemChecked(position, true); 1271 } 1272 mCheckedItem = position; 1273 } 1274 1275 // TODO: This algorithm will need a lot of tweaking after more people have used 1276 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1277 // what comes before the finger. 1278 private int putOffsetInRange(int o) { 1279 int offset = o; 1280 Editable text = getText(); 1281 int length = text.length(); 1282 // Remove whitespace from end to find "real end" 1283 int realLength = length; 1284 for (int i = length - 1; i >= 0; i--) { 1285 if (text.charAt(i) == ' ') { 1286 realLength--; 1287 } else { 1288 break; 1289 } 1290 } 1291 1292 // If the offset is beyond or at the end of the text, 1293 // leave it alone. 1294 if (offset >= realLength) { 1295 return offset; 1296 } 1297 Editable editable = getText(); 1298 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1299 // Keep walking backward! 1300 offset--; 1301 } 1302 return offset; 1303 } 1304 1305 private int findText(Editable text, int offset) { 1306 if (text.charAt(offset) != ' ') { 1307 return offset; 1308 } 1309 return -1; 1310 } 1311 1312 private RecipientChip findChip(int offset) { 1313 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1314 // Find the chip that contains this offset. 1315 for (int i = 0; i < chips.length; i++) { 1316 RecipientChip chip = chips[i]; 1317 int start = getChipStart(chip); 1318 int end = getChipEnd(chip); 1319 if (offset >= start && offset <= end) { 1320 return chip; 1321 } 1322 } 1323 return null; 1324 } 1325 1326 // Visible for testing. 1327 // Use this method to generate text to add to the list of addresses. 1328 /*package*/ String createAddressText(RecipientEntry entry) { 1329 String display = entry.getDisplayName(); 1330 String address = entry.getDestination(); 1331 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1332 display = null; 1333 } 1334 if (address != null) { 1335 // Tokenize out the address in case the address already 1336 // contained the username as well. 1337 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1338 if (tokenized != null && tokenized.length > 0) { 1339 address = tokenized[0].getAddress(); 1340 } 1341 } 1342 Rfc822Token token = new Rfc822Token(display, address, null); 1343 String trimmedDisplayText = token.toString().trim(); 1344 int index = trimmedDisplayText.indexOf(","); 1345 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1346 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1347 } 1348 1349 // Visible for testing. 1350 // Use this method to generate text to display in a chip. 1351 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1352 String display = entry.getDisplayName(); 1353 String address = entry.getDestination(); 1354 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1355 display = null; 1356 } 1357 if (address != null) { 1358 // Tokenize out the address in case the address already 1359 // contained the username as well. 1360 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1361 if (tokenized != null && tokenized.length > 0) { 1362 address = tokenized[0].getAddress(); 1363 } 1364 } 1365 if (!TextUtils.isEmpty(display)) { 1366 return display; 1367 } else if (!TextUtils.isEmpty(address)){ 1368 return address; 1369 } else { 1370 return new Rfc822Token(display, address, null).toString(); 1371 } 1372 } 1373 1374 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1375 String displayText = createAddressText(entry); 1376 if (TextUtils.isEmpty(displayText)) { 1377 return null; 1378 } 1379 // Always leave a blank space at the end of a chip. 1380 int textLength = displayText.length()-1; 1381 SpannableString chipText = new SpannableString(displayText); 1382 int end = getSelectionEnd(); 1383 int start = mTokenizer.findTokenStart(getText(), end); 1384 try { 1385 RecipientChip chip = constructChipSpan(entry, start, pressed); 1386 chipText.setSpan(chip, 0, textLength, 1387 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1388 chip.setOriginalText(chipText.toString()); 1389 } catch (NullPointerException e) { 1390 Log.e(TAG, e.getMessage(), e); 1391 return null; 1392 } 1393 1394 return chipText; 1395 } 1396 1397 /** 1398 * When an item in the suggestions list has been clicked, create a chip from the 1399 * contact information of the selected item. 1400 */ 1401 @Override 1402 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1403 submitItemAtPosition(position); 1404 } 1405 1406 private void submitItemAtPosition(int position) { 1407 RecipientEntry entry = createValidatedEntry( 1408 (RecipientEntry)getAdapter().getItem(position)); 1409 if (entry == null) { 1410 return; 1411 } 1412 clearComposingText(); 1413 1414 int end = getSelectionEnd(); 1415 int start = mTokenizer.findTokenStart(getText(), end); 1416 1417 Editable editable = getText(); 1418 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1419 CharSequence chip = createChip(entry, false); 1420 if (chip != null) { 1421 editable.replace(start, end, chip); 1422 } 1423 sanitizeBetween(); 1424 } 1425 1426 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1427 if (item == null) { 1428 return null; 1429 } 1430 final RecipientEntry entry; 1431 // If the display name and the address are the same, or if this is a 1432 // valid contact, but the destination is invalid, then make this a fake 1433 // recipient that is editable. 1434 String destination = item.getDestination(); 1435 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1436 && (TextUtils.isEmpty(item.getDisplayName()) 1437 || TextUtils.equals(item.getDisplayName(), destination) 1438 || (mValidator != null && !mValidator.isValid(destination)))) { 1439 entry = RecipientEntry.constructFakeEntry(destination); 1440 } else { 1441 entry = item; 1442 } 1443 return entry; 1444 } 1445 1446 /** Returns a collection of contact Id for each chip inside this View. */ 1447 /* package */ Collection<Long> getContactIds() { 1448 final Set<Long> result = new HashSet<Long>(); 1449 RecipientChip[] chips = getSortedRecipients(); 1450 if (chips != null) { 1451 for (RecipientChip chip : chips) { 1452 result.add(chip.getContactId()); 1453 } 1454 } 1455 return result; 1456 } 1457 1458 1459 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1460 /* package */ Collection<Long> getDataIds() { 1461 final Set<Long> result = new HashSet<Long>(); 1462 RecipientChip [] chips = getSortedRecipients(); 1463 if (chips != null) { 1464 for (RecipientChip chip : chips) { 1465 result.add(chip.getDataId()); 1466 } 1467 } 1468 return result; 1469 } 1470 1471 // Visible for testing. 1472 /* package */RecipientChip[] getSortedRecipients() { 1473 RecipientChip[] recips = getSpannable() 1474 .getSpans(0, getText().length(), RecipientChip.class); 1475 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1476 .asList(recips)); 1477 final Spannable spannable = getSpannable(); 1478 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1479 1480 @Override 1481 public int compare(RecipientChip first, RecipientChip second) { 1482 int firstStart = spannable.getSpanStart(first); 1483 int secondStart = spannable.getSpanStart(second); 1484 if (firstStart < secondStart) { 1485 return -1; 1486 } else if (firstStart > secondStart) { 1487 return 1; 1488 } else { 1489 return 0; 1490 } 1491 } 1492 }); 1493 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1494 } 1495 1496 @Override 1497 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1498 return false; 1499 } 1500 1501 @Override 1502 public void onDestroyActionMode(ActionMode mode) { 1503 } 1504 1505 @Override 1506 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1507 return false; 1508 } 1509 1510 /** 1511 * No chips are selectable. 1512 */ 1513 @Override 1514 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1515 return false; 1516 } 1517 1518 // Visible for testing. 1519 /* package */ImageSpan getMoreChip() { 1520 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1521 MoreImageSpan.class); 1522 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1523 } 1524 1525 /** 1526 * Create the more chip. The more chip is text that replaces any chips that 1527 * do not fit in the pre-defined available space when the 1528 * RecipientEditTextView loses focus. 1529 */ 1530 // Visible for testing. 1531 /* package */ void createMoreChip() { 1532 if (!mShouldShrink) { 1533 return; 1534 } 1535 1536 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1537 if (tempMore.length > 0) { 1538 getSpannable().removeSpan(tempMore[0]); 1539 } 1540 RecipientChip[] recipients = getSortedRecipients(); 1541 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1542 mMoreChip = null; 1543 return; 1544 } 1545 Spannable spannable = getSpannable(); 1546 int numRecipients = recipients.length; 1547 int overage = numRecipients - CHIP_LIMIT; 1548 String moreText = String.format(mMoreItem.getText().toString(), overage); 1549 TextPaint morePaint = new TextPaint(getPaint()); 1550 morePaint.setTextSize(mMoreItem.getTextSize()); 1551 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1552 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1553 + mMoreItem.getPaddingRight(); 1554 int height = getLineHeight(); 1555 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1556 Canvas canvas = new Canvas(drawable); 1557 int adjustedHeight = height; 1558 Layout layout = getLayout(); 1559 if (layout != null) { 1560 adjustedHeight -= layout.getLineDescent(0); 1561 } 1562 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1563 1564 Drawable result = new BitmapDrawable(getResources(), drawable); 1565 result.setBounds(0, 0, width, height); 1566 MoreImageSpan moreSpan = new MoreImageSpan(result); 1567 // Remove the overage chips. 1568 if (recipients == null || recipients.length == 0) { 1569 Log.w(TAG, 1570 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1571 mMoreChip = null; 1572 return; 1573 } 1574 mRemovedSpans = new ArrayList<RecipientChip>(); 1575 int totalReplaceStart = 0; 1576 int totalReplaceEnd = 0; 1577 Editable text = getText(); 1578 for (int i = numRecipients - overage; i < recipients.length; i++) { 1579 mRemovedSpans.add(recipients[i]); 1580 if (i == numRecipients - overage) { 1581 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1582 } 1583 if (i == recipients.length - 1) { 1584 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1585 } 1586 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1587 int spanStart = spannable.getSpanStart(recipients[i]); 1588 int spanEnd = spannable.getSpanEnd(recipients[i]); 1589 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1590 } 1591 spannable.removeSpan(recipients[i]); 1592 } 1593 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1594 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1595 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1596 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1597 text.replace(start, end, chipText); 1598 mMoreChip = moreSpan; 1599 } 1600 1601 /** 1602 * Replace the more chip, if it exists, with all of the recipient chips it had 1603 * replaced when the RecipientEditTextView gains focus. 1604 */ 1605 // Visible for testing. 1606 /*package*/ void removeMoreChip() { 1607 if (mMoreChip != null) { 1608 Spannable span = getSpannable(); 1609 span.removeSpan(mMoreChip); 1610 mMoreChip = null; 1611 // Re-add the spans that were removed. 1612 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1613 // Recreate each removed span. 1614 RecipientChip[] recipients = getSortedRecipients(); 1615 // Start the search for tokens after the last currently visible 1616 // chip. 1617 if (recipients == null || recipients.length == 0) { 1618 return; 1619 } 1620 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1621 Editable editable = getText(); 1622 for (RecipientChip chip : mRemovedSpans) { 1623 int chipStart; 1624 int chipEnd; 1625 String token; 1626 // Need to find the location of the chip, again. 1627 token = (String) chip.getOriginalText(); 1628 // As we find the matching recipient for the remove spans, 1629 // reduce the size of the string we need to search. 1630 // That way, if there are duplicates, we always find the correct 1631 // recipient. 1632 chipStart = editable.toString().indexOf(token, end); 1633 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1634 // Only set the span if we found a matching token. 1635 if (chipStart != -1) { 1636 editable.setSpan(chip, chipStart, chipEnd, 1637 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1638 } 1639 } 1640 mRemovedSpans.clear(); 1641 } 1642 } 1643 } 1644 1645 /** 1646 * Show specified chip as selected. If the RecipientChip is just an email address, 1647 * selecting the chip will take the contents of the chip and place it at 1648 * the end of the RecipientEditTextView for inline editing. If the 1649 * RecipientChip is a complete contact, then selecting the chip 1650 * will change the background color of the chip, show the delete icon, 1651 * and a popup window with the address in use highlighted and any other 1652 * alternate addresses for the contact. 1653 * @param currentChip Chip to select. 1654 * @return A RecipientChip in the selected state or null if the chip 1655 * just contained an email address. 1656 */ 1657 private RecipientChip selectChip(RecipientChip currentChip) { 1658 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1659 CharSequence text = currentChip.getValue(); 1660 Editable editable = getText(); 1661 removeChip(currentChip); 1662 editable.append(text); 1663 setCursorVisible(true); 1664 setSelection(editable.length()); 1665 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1666 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1667 int start = getChipStart(currentChip); 1668 int end = getChipEnd(currentChip); 1669 getSpannable().removeSpan(currentChip); 1670 RecipientChip newChip; 1671 try { 1672 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1673 } catch (NullPointerException e) { 1674 Log.e(TAG, e.getMessage(), e); 1675 return null; 1676 } 1677 Editable editable = getText(); 1678 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1679 if (start == -1 || end == -1) { 1680 Log.d(TAG, "The chip being selected no longer exists but should."); 1681 } else { 1682 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1683 } 1684 newChip.setSelected(true); 1685 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1686 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1687 } 1688 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1689 setCursorVisible(false); 1690 return newChip; 1691 } else { 1692 int start = getChipStart(currentChip); 1693 int end = getChipEnd(currentChip); 1694 getSpannable().removeSpan(currentChip); 1695 RecipientChip newChip; 1696 try { 1697 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1698 } catch (NullPointerException e) { 1699 Log.e(TAG, e.getMessage(), e); 1700 return null; 1701 } 1702 Editable editable = getText(); 1703 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1704 if (start == -1 || end == -1) { 1705 Log.d(TAG, "The chip being selected no longer exists but should."); 1706 } else { 1707 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1708 } 1709 newChip.setSelected(true); 1710 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1711 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1712 } 1713 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1714 setCursorVisible(false); 1715 return newChip; 1716 } 1717 } 1718 1719 1720 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1721 int width, Context context) { 1722 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1723 int bottom = calculateOffsetFromBottom(line); 1724 // Align the alternates popup with the left side of the View, 1725 // regardless of the position of the chip tapped. 1726 setEnabled(false); 1727 popup.setWidth(width); 1728 popup.setAnchorView(this); 1729 popup.setVerticalOffset(bottom); 1730 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1731 popup.setOnItemClickListener(new OnItemClickListener() { 1732 @Override 1733 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1734 unselectChip(currentChip); 1735 popup.dismiss(); 1736 } 1737 }); 1738 popup.show(); 1739 ListView listView = popup.getListView(); 1740 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1741 listView.setItemChecked(0, true); 1742 } 1743 1744 /** 1745 * Remove selection from this chip. Unselecting a RecipientChip will render 1746 * the chip without a delete icon and with an unfocused background. This 1747 * is called when the RecipientChip no longer has focus. 1748 */ 1749 private void unselectChip(RecipientChip chip) { 1750 int start = getChipStart(chip); 1751 int end = getChipEnd(chip); 1752 Editable editable = getText(); 1753 mSelectedChip = null; 1754 if (start == -1 || end == -1) { 1755 Log.w(TAG, 1756 "The chip doesn't exist or may be a chip a user was editing"); 1757 setSelection(editable.length()); 1758 commitDefault(); 1759 } else { 1760 getSpannable().removeSpan(chip); 1761 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1762 editable.removeSpan(chip); 1763 try { 1764 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1765 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1766 } catch (NullPointerException e) { 1767 Log.e(TAG, e.getMessage(), e); 1768 } 1769 } 1770 setCursorVisible(true); 1771 setSelection(editable.length()); 1772 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1773 mAlternatesPopup.dismiss(); 1774 } 1775 } 1776 1777 /** 1778 * Return whether a touch event was inside the delete target of 1779 * a selected chip. It is in the delete target if: 1780 * 1) the x and y points of the event are within the 1781 * delete assset. 1782 * 2) the point tapped would have caused a cursor to appear 1783 * right after the selected chip. 1784 * @return boolean 1785 */ 1786 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1787 // Figure out the bounds of this chip and whether or not 1788 // the user clicked in the X portion. 1789 return chip.isSelected() && offset == getChipEnd(chip); 1790 } 1791 1792 /** 1793 * Remove the chip and any text associated with it from the RecipientEditTextView. 1794 */ 1795 // Visible for testing. 1796 /*pacakge*/ void removeChip(RecipientChip chip) { 1797 Spannable spannable = getSpannable(); 1798 int spanStart = spannable.getSpanStart(chip); 1799 int spanEnd = spannable.getSpanEnd(chip); 1800 Editable text = getText(); 1801 int toDelete = spanEnd; 1802 boolean wasSelected = chip == mSelectedChip; 1803 // Clear that there is a selected chip before updating any text. 1804 if (wasSelected) { 1805 mSelectedChip = null; 1806 } 1807 // Always remove trailing spaces when removing a chip. 1808 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1809 toDelete++; 1810 } 1811 spannable.removeSpan(chip); 1812 text.delete(spanStart, toDelete); 1813 if (wasSelected) { 1814 clearSelectedChip(); 1815 } 1816 } 1817 1818 /** 1819 * Replace this currently selected chip with a new chip 1820 * that uses the contact data provided. 1821 */ 1822 // Visible for testing. 1823 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1824 boolean wasSelected = chip == mSelectedChip; 1825 if (wasSelected) { 1826 mSelectedChip = null; 1827 } 1828 int start = getChipStart(chip); 1829 int end = getChipEnd(chip); 1830 getSpannable().removeSpan(chip); 1831 Editable editable = getText(); 1832 CharSequence chipText = createChip(entry, false); 1833 if (chipText != null) { 1834 if (start == -1 || end == -1) { 1835 Log.e(TAG, "The chip to replace does not exist but should."); 1836 editable.insert(0, chipText); 1837 } else { 1838 if (!TextUtils.isEmpty(chipText)) { 1839 // There may be a space to replace with this chip's new 1840 // associated 1841 // space. Check for it 1842 int toReplace = end; 1843 while (toReplace >= 0 && toReplace < editable.length() 1844 && editable.charAt(toReplace) == ' ') { 1845 toReplace++; 1846 } 1847 editable.replace(start, toReplace, chipText); 1848 } 1849 } 1850 } 1851 setCursorVisible(true); 1852 if (wasSelected) { 1853 clearSelectedChip(); 1854 } 1855 } 1856 1857 /** 1858 * Handle click events for a chip. When a selected chip receives a click 1859 * event, see if that event was in the delete icon. If so, delete it. 1860 * Otherwise, unselect the chip. 1861 */ 1862 public void onClick(RecipientChip chip, int offset, float x, float y) { 1863 if (chip.isSelected()) { 1864 if (isInDelete(chip, offset, x, y)) { 1865 removeChip(chip); 1866 } else { 1867 clearSelectedChip(); 1868 } 1869 } 1870 } 1871 1872 private boolean chipsPending() { 1873 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1874 } 1875 1876 @Override 1877 public void removeTextChangedListener(TextWatcher watcher) { 1878 mTextWatcher = null; 1879 super.removeTextChangedListener(watcher); 1880 } 1881 1882 private class RecipientTextWatcher implements TextWatcher { 1883 @Override 1884 public void afterTextChanged(Editable s) { 1885 // If the text has been set to null or empty, make sure we remove 1886 // all the spans we applied. 1887 if (TextUtils.isEmpty(s)) { 1888 // Remove all the chips spans. 1889 Spannable spannable = getSpannable(); 1890 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1891 RecipientChip.class); 1892 for (RecipientChip chip : chips) { 1893 spannable.removeSpan(chip); 1894 } 1895 if (mMoreChip != null) { 1896 spannable.removeSpan(mMoreChip); 1897 } 1898 return; 1899 } 1900 // Get whether there are any recipients pending addition to the 1901 // view. If there are, don't do anything in the text watcher. 1902 if (chipsPending()) { 1903 return; 1904 } 1905 // If the user is editing a chip, don't clear it. 1906 if (mSelectedChip != null 1907 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1908 setCursorVisible(true); 1909 setSelection(getText().length()); 1910 clearSelectedChip(); 1911 } 1912 int length = s.length(); 1913 // Make sure there is content there to parse and that it is 1914 // not just the commit character. 1915 if (length > 1) { 1916 char last; 1917 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1918 int len = length() - 1; 1919 if (end != len) { 1920 last = s.charAt(end); 1921 } else { 1922 last = s.charAt(len); 1923 } 1924 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1925 commitByCharacter(); 1926 } else if (last == COMMIT_CHAR_SPACE) { 1927 // Check if this is a valid email address. If it is, 1928 // commit it. 1929 String text = getText().toString(); 1930 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1931 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1932 tokenStart)); 1933 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1934 commitByCharacter(); 1935 } 1936 } 1937 } 1938 } 1939 1940 @Override 1941 public void onTextChanged(CharSequence s, int start, int before, int count) { 1942 // Do nothing. 1943 } 1944 1945 @Override 1946 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1947 // Do nothing. 1948 } 1949 } 1950 1951 @Override 1952 public boolean onTextContextMenuItem(int id) { 1953 if (id == android.R.id.paste) { 1954 removeTextChangedListener(mTextWatcher); 1955 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 1956 Context.CLIPBOARD_SERVICE); 1957 ClipData clip = clipboard.getPrimaryClip(); 1958 if (clip != null 1959 && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)) { 1960 for (int i = 0; i < clip.getItemCount(); i++) { 1961 CharSequence paste = clip.getItemAt(i).getText(); 1962 if (paste != null) { 1963 int start = getSelectionStart(); 1964 int end = getSelectionEnd(); 1965 Editable editable = getText(); 1966 if (start >= 0 && end >= 0 && start != end) { 1967 editable.append(paste, start, end); 1968 } else { 1969 editable.insert(end, paste); 1970 } 1971 handlePasteAndReplace(); 1972 } 1973 } 1974 } 1975 mHandler.post(mAddTextWatcher); 1976 return true; 1977 } 1978 return super.onTextContextMenuItem(id); 1979 } 1980 1981 private void handlePasteAndReplace() { 1982 ArrayList<RecipientChip> created = handlePaste(); 1983 if (created != null && created.size() > 0) { 1984 // Perform reverse lookups on the pasted contacts. 1985 IndividualReplacementTask replace = new IndividualReplacementTask(); 1986 replace.execute(created); 1987 } 1988 } 1989 1990 // Visible for testing. 1991 /* package */ArrayList<RecipientChip> handlePaste() { 1992 String text = getText().toString(); 1993 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1994 String lastAddress = text.substring(originalTokenStart); 1995 int tokenStart = originalTokenStart; 1996 int prevTokenStart = tokenStart; 1997 RecipientChip findChip = null; 1998 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 1999 if (tokenStart != 0) { 2000 // There are things before this! 2001 while (tokenStart != 0 && findChip == null) { 2002 prevTokenStart = tokenStart; 2003 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2004 findChip = findChip(tokenStart); 2005 } 2006 if (tokenStart != originalTokenStart) { 2007 if (findChip != null) { 2008 tokenStart = prevTokenStart; 2009 } 2010 int tokenEnd; 2011 RecipientChip createdChip; 2012 while (tokenStart < originalTokenStart) { 2013 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2014 commitChip(tokenStart, tokenEnd, getText()); 2015 createdChip = findChip(tokenStart); 2016 // +1 for the space at the end. 2017 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2018 created.add(createdChip); 2019 } 2020 } 2021 } 2022 // Take a look at the last token. If the token has been completed with a 2023 // commit character, create a chip. 2024 if (isCompletedToken(lastAddress)) { 2025 Editable editable = getText(); 2026 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2027 commitChip(tokenStart, editable.length(), editable); 2028 created.add(findChip(tokenStart)); 2029 } 2030 return created; 2031 } 2032 2033 // Visible for testing. 2034 /* package */int movePastTerminators(int tokenEnd) { 2035 if (tokenEnd >= length()) { 2036 return tokenEnd; 2037 } 2038 char atEnd = getText().toString().charAt(tokenEnd); 2039 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2040 tokenEnd++; 2041 } 2042 // This token had not only an end token character, but also a space 2043 // separating it from the next token. 2044 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2045 tokenEnd++; 2046 } 2047 return tokenEnd; 2048 } 2049 2050 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2051 private RecipientChip createFreeChip(RecipientEntry entry) { 2052 try { 2053 return constructChipSpan(entry, -1, false); 2054 } catch (NullPointerException e) { 2055 Log.e(TAG, e.getMessage(), e); 2056 return null; 2057 } 2058 } 2059 2060 @Override 2061 protected Void doInBackground(Void... params) { 2062 if (mIndividualReplacements != null) { 2063 mIndividualReplacements.cancel(true); 2064 } 2065 // For each chip in the list, look up the matching contact. 2066 // If there is a match, replace that chip with the matching 2067 // chip. 2068 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2069 RecipientChip[] existingChips = getSortedRecipients(); 2070 for (int i = 0; i < existingChips.length; i++) { 2071 originalRecipients.add(existingChips[i]); 2072 } 2073 if (mRemovedSpans != null) { 2074 originalRecipients.addAll(mRemovedSpans); 2075 } 2076 String[] addresses = new String[originalRecipients.size()]; 2077 for (int i = 0; i < originalRecipients.size(); i++) { 2078 addresses[i] = createAddressText(originalRecipients.get(i).getEntry()); 2079 } 2080 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2081 .getMatchingRecipients(getContext(), addresses); 2082 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2083 for (final RecipientChip temp : originalRecipients) { 2084 RecipientEntry entry = null; 2085 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2086 && getSpannable().getSpanStart(temp) != -1) { 2087 // Replace this. 2088 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2089 .getDestination()))); 2090 } 2091 if (entry != null) { 2092 replacements.add(createFreeChip(entry)); 2093 } else { 2094 replacements.add(temp); 2095 } 2096 } 2097 if (replacements != null && replacements.size() > 0) { 2098 mHandler.post(new Runnable() { 2099 @Override 2100 public void run() { 2101 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2102 .toString()); 2103 Editable oldText = getText(); 2104 int start, end; 2105 int i = 0; 2106 for (RecipientChip chip : originalRecipients) { 2107 start = oldText.getSpanStart(chip); 2108 if (start != -1) { 2109 end = oldText.getSpanEnd(chip); 2110 oldText.removeSpan(chip); 2111 // Leave a spot for the space! 2112 RecipientChip replacement = replacements.get(i); 2113 text.setSpan(replacement, start, end, 2114 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2115 replacement.setOriginalText(text.toString().substring(start, end)); 2116 } 2117 i++; 2118 } 2119 originalRecipients.clear(); 2120 setText(text); 2121 } 2122 }); 2123 } 2124 return null; 2125 } 2126 } 2127 2128 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2129 @SuppressWarnings("unchecked") 2130 @Override 2131 protected Void doInBackground(Object... params) { 2132 // For each chip in the list, look up the matching contact. 2133 // If there is a match, replace that chip with the matching 2134 // chip. 2135 final ArrayList<RecipientChip> originalRecipients = 2136 (ArrayList<RecipientChip>) params[0]; 2137 String[] addresses = new String[originalRecipients.size()]; 2138 for (int i = 0; i < originalRecipients.size(); i++) { 2139 addresses[i] = createAddressText(originalRecipients.get(i).getEntry()); 2140 } 2141 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2142 .getMatchingRecipients(getContext(), addresses); 2143 for (final RecipientChip temp : originalRecipients) { 2144 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2145 && getSpannable().getSpanStart(temp) != -1) { 2146 // Replace this. 2147 final RecipientEntry entry = createValidatedEntry(entries 2148 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2149 if (entry != null) { 2150 mHandler.post(new Runnable() { 2151 @Override 2152 public void run() { 2153 replaceChip(temp, entry); 2154 } 2155 }); 2156 } 2157 } 2158 } 2159 return null; 2160 } 2161 } 2162 2163 2164 /** 2165 * MoreImageSpan is a simple class created for tracking the existence of a 2166 * more chip across activity restarts/ 2167 */ 2168 private class MoreImageSpan extends ImageSpan { 2169 public MoreImageSpan(Drawable b) { 2170 super(b); 2171 } 2172 } 2173 2174 @Override 2175 public boolean onDown(MotionEvent e) { 2176 return false; 2177 } 2178 2179 @Override 2180 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2181 // Do nothing. 2182 return false; 2183 } 2184 2185 @Override 2186 public void onLongPress(MotionEvent event) { 2187 if (mSelectedChip != null) { 2188 return; 2189 } 2190 float x = event.getX(); 2191 float y = event.getY(); 2192 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2193 RecipientChip currentChip = findChip(offset); 2194 if (currentChip != null) { 2195 // Copy the selected chip email address. 2196 showCopyDialog(currentChip.getEntry().getDestination()); 2197 } 2198 } 2199 2200 private void showCopyDialog(final String address) { 2201 mCopyAddress = address; 2202 mCopyDialog.setTitle(address); 2203 mCopyDialog.setContentView(mCopyViewRes); 2204 mCopyDialog.setCancelable(true); 2205 mCopyDialog.setCanceledOnTouchOutside(true); 2206 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 2207 mCopyDialog.setOnDismissListener(this); 2208 mCopyDialog.show(); 2209 } 2210 2211 @Override 2212 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2213 // Do nothing. 2214 return false; 2215 } 2216 2217 @Override 2218 public void onShowPress(MotionEvent e) { 2219 // Do nothing. 2220 } 2221 2222 @Override 2223 public boolean onSingleTapUp(MotionEvent e) { 2224 // Do nothing. 2225 return false; 2226 } 2227 2228 @Override 2229 public void onDismiss(DialogInterface dialog) { 2230 mCopyAddress = null; 2231 } 2232 2233 @Override 2234 public void onClick(View v) { 2235 // Copy this to the clipboard. 2236 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2237 Context.CLIPBOARD_SERVICE); 2238 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2239 mCopyDialog.dismiss(); 2240 } 2241} 2242