RecipientEditTextView.java revision 6ed7ded9deabbc92ed8341cf922673fd4626ba7e
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 float[] widths = new float[1]; 409 paint.getTextWidths(" ", widths); 410 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 411 calculateAvailableWidth(true) - deleteWidth - widths[0]); 412 413 // Make sure there is a minimum chip width so the user can ALWAYS 414 // tap a chip without difficulty. 415 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 416 ellipsizedText.length())) 417 + (mChipPadding * 2) + deleteWidth); 418 419 // Create the background of the chip. 420 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 421 Canvas canvas = new Canvas(tmpBitmap); 422 if (mChipBackgroundPressed != null) { 423 mChipBackgroundPressed.setBounds(0, 0, width, height); 424 mChipBackgroundPressed.draw(canvas); 425 paint.setColor(sSelectedTextColor); 426 // Vertically center the text in the chip. 427 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 428 getTextYOffset((String) ellipsizedText, paint, height), paint); 429 // Make the delete a square. 430 Rect backgroundPadding = new Rect(); 431 mChipBackgroundPressed.getPadding(backgroundPadding); 432 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 433 0 + backgroundPadding.top, 434 width - backgroundPadding.right, 435 height - backgroundPadding.bottom); 436 mChipDelete.draw(canvas); 437 } else { 438 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 439 } 440 return tmpBitmap; 441 } 442 443 444 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 445 // Ellipsize the text so that it takes AT MOST the entire width of the 446 // autocomplete text entry area. Make sure to leave space for padding 447 // on the sides. 448 int height = (int) mChipHeight; 449 int iconWidth = height; 450 float[] widths = new float[1]; 451 paint.getTextWidths(" ", widths); 452 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 453 calculateAvailableWidth(false) - iconWidth - widths[0]); 454 // Make sure there is a minimum chip width so the user can ALWAYS 455 // tap a chip without difficulty. 456 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 457 ellipsizedText.length())) 458 + (mChipPadding * 2) + iconWidth); 459 460 // Create the background of the chip. 461 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 462 Canvas canvas = new Canvas(tmpBitmap); 463 Drawable background = getChipBackground(contact); 464 if (background != null) { 465 background.setBounds(0, 0, width, height); 466 background.draw(canvas); 467 468 // Don't draw photos for recipients that have been typed in. 469 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 470 byte[] photoBytes = contact.getPhotoBytes(); 471 // There may not be a photo yet if anything but the first contact address 472 // was selected. 473 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 474 // TODO: cache this in the recipient entry? 475 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 476 .getPhotoThumbnailUri()); 477 photoBytes = contact.getPhotoBytes(); 478 } 479 480 Bitmap photo; 481 if (photoBytes != null) { 482 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 483 } else { 484 // TODO: can the scaled down default photo be cached? 485 photo = mDefaultContactPhoto; 486 } 487 // Draw the photo on the left side. 488 if (photo != null) { 489 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 490 Rect backgroundPadding = new Rect(); 491 mChipBackground.getPadding(backgroundPadding); 492 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 493 0 + backgroundPadding.top, 494 width - backgroundPadding.right, 495 height - backgroundPadding.bottom); 496 Matrix matrix = new Matrix(); 497 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 498 canvas.drawBitmap(photo, matrix, paint); 499 } 500 } else { 501 // Don't leave any space for the icon. It isn't being drawn. 502 iconWidth = 0; 503 } 504 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 505 // Vertically center the text in the chip. 506 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 507 getTextYOffset((String)ellipsizedText, paint, height), paint); 508 } else { 509 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 510 } 511 return tmpBitmap; 512 } 513 514 /** 515 * Get the background drawable for a RecipientChip. 516 */ 517 // Visible for testing. 518 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 519 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 520 mChipBackground : mInvalidChipBackground; 521 } 522 523 private float getTextYOffset(String text, TextPaint paint, int height) { 524 Rect bounds = new Rect(); 525 paint.getTextBounds((String)text, 0, text.length(), bounds); 526 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 527 return height - ((height - textHeight) / 2); 528 } 529 530 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 531 throws NullPointerException { 532 if (mChipBackground == null) { 533 throw new NullPointerException( 534 "Unable to render any chips as setChipDimensions was not called."); 535 } 536 Layout layout = getLayout(); 537 538 TextPaint paint = getPaint(); 539 float defaultSize = paint.getTextSize(); 540 int defaultColor = paint.getColor(); 541 542 Bitmap tmpBitmap; 543 if (pressed) { 544 tmpBitmap = createSelectedChip(contact, paint, layout); 545 546 } else { 547 tmpBitmap = createUnselectedChip(contact, paint, layout); 548 } 549 550 // Pass the full text, un-ellipsized, to the chip. 551 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 552 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 553 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 554 // Return text to the original size. 555 paint.setTextSize(defaultSize); 556 paint.setColor(defaultColor); 557 return recipientChip; 558 } 559 560 /** 561 * Calculate the bottom of the line the chip will be located on using: 562 * 1) which line the chip appears on 563 * 2) the height of a chip 564 * 3) padding built into the edit text view 565 */ 566 private int calculateOffsetFromBottom(int line) { 567 // Line offsets start at zero. 568 int actualLine = getLineCount() - (line + 1); 569 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 570 + getDropDownVerticalOffset(); 571 } 572 573 /** 574 * Get the max amount of space a chip can take up. The formula takes into 575 * account the width of the EditTextView, any view padding, and padding 576 * that will be added to the chip. 577 */ 578 private float calculateAvailableWidth(boolean pressed) { 579 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 580 } 581 582 /** 583 * Set all chip dimensions and resources. This has to be done from the 584 * application as this is a static library. 585 * @param chipBackground 586 * @param chipBackgroundPressed 587 * @param invalidChip 588 * @param chipDelete 589 * @param defaultContact 590 * @param moreResource 591 * @param alternatesLayout 592 * @param chipHeight 593 * @param padding Padding around the text in a chip 594 * @param chipFontSize 595 * @param copyViewRes 596 */ 597 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 598 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 599 int alternatesLayout, float chipHeight, float padding, 600 float chipFontSize, int copyViewRes) { 601 mChipBackground = chipBackground; 602 mChipBackgroundPressed = chipBackgroundPressed; 603 mChipDelete = chipDelete; 604 mChipPadding = (int) padding; 605 mAlternatesLayout = alternatesLayout; 606 mDefaultContactPhoto = defaultContact; 607 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 608 mChipHeight = chipHeight; 609 mChipFontSize = chipFontSize; 610 mInvalidChipBackground = invalidChip; 611 mCopyViewRes = copyViewRes; 612 } 613 614 // Visible for testing. 615 /* package */ void setMoreItem(TextView moreItem) { 616 mMoreItem = moreItem; 617 } 618 619 620 // Visible for testing. 621 /* package */ void setChipBackground(Drawable chipBackground) { 622 mChipBackground = chipBackground; 623 } 624 625 // Visible for testing. 626 /* package */ void setChipHeight(int height) { 627 mChipHeight = height; 628 } 629 630 /** 631 * Set whether to shrink the recipients field such that at most 632 * one line of recipients chips are shown when the field loses 633 * focus. By default, the number of displayed recipients will be 634 * limited and a "more" chip will be shown when focus is lost. 635 * @param shrink 636 */ 637 public void setOnFocusListShrinkRecipients(boolean shrink) { 638 mShouldShrink = shrink; 639 } 640 641 @Override 642 public void onSizeChanged(int width, int height, int oldw, int oldh) { 643 super.onSizeChanged(width, height, oldw, oldh); 644 if (width != 0 && height != 0) { 645 if (mPendingChipsCount > 0) { 646 postHandlePendingChips(); 647 } else { 648 checkChipWidths(); 649 } 650 } 651 // Try to find the scroll view parent, if it exists. 652 if (mScrollView == null && !mTriedGettingScrollView) { 653 ViewParent parent = getParent(); 654 while (parent != null && !(parent instanceof ScrollView)) { 655 parent = parent.getParent(); 656 } 657 if (parent != null) { 658 mScrollView = (ScrollView) parent; 659 } 660 mTriedGettingScrollView = true; 661 } 662 } 663 664 private void postHandlePendingChips() { 665 mHandler.removeCallbacks(mHandlePendingChips); 666 mHandler.post(mHandlePendingChips); 667 } 668 669 private void checkChipWidths() { 670 // Check the widths of the associated chips. 671 RecipientChip[] chips = getSortedRecipients(); 672 if (chips != null) { 673 Rect bounds; 674 for (RecipientChip chip : chips) { 675 bounds = chip.getDrawable().getBounds(); 676 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 677 // Need to redraw that chip. 678 replaceChip(chip, chip.getEntry()); 679 } 680 } 681 } 682 } 683 684 private void handlePendingChips() { 685 if (getWidth() <= 0) { 686 // The widget has not been sized yet. 687 // This will be called as a result of onSizeChanged 688 // at a later point. 689 return; 690 } 691 692 if (mPendingChipsCount <= 0) { 693 return; 694 } 695 696 synchronized (mPendingChips) { 697 Editable editable = getText(); 698 // Tokenize! 699 for (int i = 0; i < mPendingChips.size(); i++) { 700 String current = mPendingChips.get(i); 701 int tokenStart = editable.toString().indexOf(current); 702 int tokenEnd = tokenStart + current.length(); 703 if (tokenStart >= 0) { 704 // When we have a valid token, include it with the token 705 // to the left. 706 if (tokenEnd < editable.length() - 2 707 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 708 tokenEnd++; 709 } 710 createReplacementChip(tokenStart, tokenEnd, editable); 711 } 712 mPendingChipsCount--; 713 } 714 sanitizeEnd(); 715 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 716 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 717 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 718 new RecipientReplacementTask().execute(); 719 mTemporaryRecipients = null; 720 } else { 721 // Create the "more" chip 722 mIndividualReplacements = new IndividualReplacementTask(); 723 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 724 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 725 726 createMoreChip(); 727 } 728 } else { 729 // There are too many recipients to look up, so just fall back 730 // to showing addresses for all of them. 731 mTemporaryRecipients = null; 732 createMoreChip(); 733 } 734 mPendingChipsCount = 0; 735 mPendingChips.clear(); 736 } 737 } 738 739 /** 740 * Remove any characters after the last valid chip. 741 */ 742 // Visible for testing. 743 /*package*/ void sanitizeEnd() { 744 // Find the last chip; eliminate any commit characters after it. 745 RecipientChip[] chips = getSortedRecipients(); 746 if (chips != null && chips.length > 0) { 747 int end; 748 ImageSpan lastSpan; 749 mMoreChip = getMoreChip(); 750 if (mMoreChip != null) { 751 lastSpan = mMoreChip; 752 } else { 753 lastSpan = getLastChip(); 754 } 755 end = getSpannable().getSpanEnd(lastSpan); 756 Editable editable = getText(); 757 int length = editable.length(); 758 if (length > end) { 759 // See what characters occur after that and eliminate them. 760 if (Log.isLoggable(TAG, Log.DEBUG)) { 761 Log.d(TAG, "There were extra characters after the last tokenizable entry." 762 + editable); 763 } 764 editable.delete(end + 1, length); 765 } 766 } 767 } 768 769 /** 770 * Create a chip that represents just the email address of a recipient. At some later 771 * point, this chip will be attached to a real contact entry, if one exists. 772 */ 773 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 774 if (alreadyHasChip(tokenStart, tokenEnd)) { 775 // There is already a chip present at this location. 776 // Don't recreate it. 777 return; 778 } 779 String token = editable.toString().substring(tokenStart, tokenEnd); 780 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 781 if (commitCharIndex == token.length() - 1) { 782 token = token.substring(0, token.length() - 1); 783 } 784 RecipientEntry entry = createTokenizedEntry(token); 785 if (entry != null) { 786 String destText = createAddressText(entry); 787 // Always leave a blank space at the end of a chip. 788 int textLength = destText.length() - 1; 789 SpannableString chipText = new SpannableString(destText); 790 int end = getSelectionEnd(); 791 int start = mTokenizer.findTokenStart(getText(), end); 792 RecipientChip chip = null; 793 try { 794 chip = constructChipSpan(entry, start, false); 795 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 796 } catch (NullPointerException e) { 797 Log.e(TAG, e.getMessage(), e); 798 } 799 editable.replace(tokenStart, tokenEnd, chipText); 800 // Add this chip to the list of entries "to replace" 801 if (chip != null) { 802 if (mTemporaryRecipients == null) { 803 mTemporaryRecipients = new ArrayList<RecipientChip>(); 804 } 805 chip.setOriginalText(chipText.toString()); 806 mTemporaryRecipients.add(chip); 807 } 808 } 809 } 810 811 private RecipientEntry createTokenizedEntry(String token) { 812 if (TextUtils.isEmpty(token)) { 813 return null; 814 } 815 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 816 String display = null; 817 if (isValid(token) && tokens != null && tokens.length > 0) { 818 // If we can get a name from tokenizing, then generate an entry from 819 // this. 820 display = tokens[0].getName(); 821 if (!TextUtils.isEmpty(display)) { 822 return RecipientEntry.constructGeneratedEntry(display, token); 823 } else { 824 display = tokens[0].getAddress(); 825 if (!TextUtils.isEmpty(display)) { 826 return RecipientEntry.constructFakeEntry(display); 827 } 828 } 829 } 830 // Unable to validate the token or to create a valid token from it. 831 // Just create a chip the user can edit. 832 String validatedToken = null; 833 if (mValidator != null && !mValidator.isValid(token)) { 834 // Try fixing up the entry using the validator. 835 validatedToken = mValidator.fixText(token).toString(); 836 if (!TextUtils.isEmpty(validatedToken)) { 837 if (validatedToken.contains(token)) { 838 // protect against the case of a validator with a null domain, 839 // which doesn't add a domain to the token 840 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 841 if (tokenized.length > 0) { 842 validatedToken = tokenized[0].getAddress(); 843 } 844 } else { 845 // We ran into a case where the token was invalid and removed 846 // by the validator. In this case, just use the original token 847 // and let the user sort out the error chip. 848 validatedToken = null; 849 } 850 } 851 } 852 // Otherwise, fallback to just creating an editable email address chip. 853 return RecipientEntry 854 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 855 } 856 857 private boolean isValid(String text) { 858 return mValidator == null ? true : mValidator.isValid(text); 859 } 860 861 private String tokenizeAddress(String destination) { 862 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 863 if (tokens != null && tokens.length > 0) { 864 return tokens[0].getAddress(); 865 } 866 return destination; 867 } 868 869 @Override 870 public void setTokenizer(Tokenizer tokenizer) { 871 mTokenizer = tokenizer; 872 super.setTokenizer(mTokenizer); 873 } 874 875 @Override 876 public void setValidator(Validator validator) { 877 mValidator = validator; 878 super.setValidator(validator); 879 } 880 881 /** 882 * We cannot use the default mechanism for replaceText. Instead, 883 * we override onItemClickListener so we can get all the associated 884 * contact information including display text, address, and id. 885 */ 886 @Override 887 protected void replaceText(CharSequence text) { 888 return; 889 } 890 891 /** 892 * Dismiss any selected chips when the back key is pressed. 893 */ 894 @Override 895 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 896 if (keyCode == KeyEvent.KEYCODE_BACK) { 897 clearSelectedChip(); 898 } 899 return super.onKeyPreIme(keyCode, event); 900 } 901 902 /** 903 * Monitor key presses in this view to see if the user types 904 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 905 * If the user has entered text that has contact matches and types 906 * a commit key, create a chip from the topmost matching contact. 907 * If the user has entered text that has no contact matches and types 908 * a commit key, then create a chip from the text they have entered. 909 */ 910 @Override 911 public boolean onKeyUp(int keyCode, KeyEvent event) { 912 switch (keyCode) { 913 case KeyEvent.KEYCODE_ENTER: 914 case KeyEvent.KEYCODE_DPAD_CENTER: 915 if (event.hasNoModifiers()) { 916 if (commitDefault()) { 917 return true; 918 } 919 if (mSelectedChip != null) { 920 clearSelectedChip(); 921 return true; 922 } else if (focusNext()) { 923 return true; 924 } 925 } 926 break; 927 case KeyEvent.KEYCODE_TAB: 928 if (event.hasNoModifiers()) { 929 if (mSelectedChip != null) { 930 clearSelectedChip(); 931 } else { 932 commitDefault(); 933 } 934 if (focusNext()) { 935 return true; 936 } 937 } 938 } 939 return super.onKeyUp(keyCode, event); 940 } 941 942 private boolean focusNext() { 943 View next = focusSearch(View.FOCUS_DOWN); 944 if (next != null) { 945 next.requestFocus(); 946 return true; 947 } 948 return false; 949 } 950 951 /** 952 * Create a chip from the default selection. If the popup is showing, the 953 * default is the first item in the popup suggestions list. Otherwise, it is 954 * whatever the user had typed in. End represents where the the tokenizer 955 * should search for a token to turn into a chip. 956 * @return If a chip was created from a real contact. 957 */ 958 private boolean commitDefault() { 959 Editable editable = getText(); 960 int end = getSelectionEnd(); 961 int start = mTokenizer.findTokenStart(editable, end); 962 963 if (shouldCreateChip(start, end)) { 964 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 965 // In the middle of chip; treat this as an edit 966 // and commit the whole token. 967 if (whatEnd != getSelectionEnd()) { 968 handleEdit(start, whatEnd); 969 return true; 970 } 971 return commitChip(start, end , editable); 972 } 973 return false; 974 } 975 976 private void commitByCharacter() { 977 Editable editable = getText(); 978 int end = getSelectionEnd(); 979 int start = mTokenizer.findTokenStart(editable, end); 980 if (shouldCreateChip(start, end)) { 981 commitChip(start, end, editable); 982 } 983 setSelection(getText().length()); 984 } 985 986 private boolean commitChip(int start, int end, Editable editable) { 987 ListAdapter adapter = getAdapter(); 988 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 989 && end == getSelectionEnd()) { 990 // choose the first entry. 991 submitItemAtPosition(0); 992 dismissDropDown(); 993 return true; 994 } else { 995 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 996 if (editable.length() > tokenEnd + 1) { 997 char charAt = editable.charAt(tokenEnd + 1); 998 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 999 tokenEnd++; 1000 } 1001 } 1002 String text = editable.toString().substring(start, tokenEnd).trim(); 1003 clearComposingText(); 1004 if (text != null && text.length() > 0 && !text.equals(" ")) { 1005 RecipientEntry entry = createTokenizedEntry(text); 1006 if (entry != null) { 1007 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1008 CharSequence chipText = createChip(entry, false); 1009 if (chipText != null && start > -1 && end > -1) { 1010 editable.replace(start, end, chipText); 1011 } 1012 } 1013 // Only dismiss the dropdown if it is related to the text we 1014 // just committed. 1015 // For paste, it may not be as there are possibly multiple 1016 // tokens being added. 1017 if (end == getSelectionEnd()) { 1018 dismissDropDown(); 1019 } 1020 sanitizeBetween(); 1021 return true; 1022 } 1023 } 1024 return false; 1025 } 1026 1027 // Visible for testing. 1028 /* package */ void sanitizeBetween() { 1029 // Find the last chip. 1030 RecipientChip[] recips = getSortedRecipients(); 1031 if (recips != null && recips.length > 0) { 1032 RecipientChip last = recips[recips.length - 1]; 1033 RecipientChip beforeLast = null; 1034 if (recips.length > 1) { 1035 beforeLast = recips[recips.length - 2]; 1036 } 1037 int startLooking = 0; 1038 int end = getSpannable().getSpanStart(last); 1039 if (beforeLast != null) { 1040 startLooking = getSpannable().getSpanEnd(beforeLast); 1041 Editable text = getText(); 1042 if (startLooking == -1 || startLooking > text.length() - 1) { 1043 // There is nothing after this chip. 1044 return; 1045 } 1046 if (text.charAt(startLooking) == ' ') { 1047 startLooking++; 1048 } 1049 } 1050 if (startLooking >= 0 && end >= 0 && startLooking != end) { 1051 getText().delete(startLooking, end); 1052 } 1053 } 1054 } 1055 1056 private boolean shouldCreateChip(int start, int end) { 1057 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1058 } 1059 1060 private boolean alreadyHasChip(int start, int end) { 1061 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1062 if ((chips == null || chips.length == 0)) { 1063 return false; 1064 } 1065 return true; 1066 } 1067 1068 private void handleEdit(int start, int end) { 1069 if (start == -1 || end == -1) { 1070 // This chip no longer exists in the field. 1071 dismissDropDown(); 1072 return; 1073 } 1074 // This is in the middle of a chip, so select out the whole chip 1075 // and commit it. 1076 Editable editable = getText(); 1077 setSelection(end); 1078 String text = getText().toString().substring(start, end); 1079 if (!TextUtils.isEmpty(text)) { 1080 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1081 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1082 CharSequence chipText = createChip(entry, false); 1083 if (chipText != null) { 1084 editable.replace(start, getSelectionEnd(), chipText); 1085 } 1086 } 1087 dismissDropDown(); 1088 } 1089 1090 /** 1091 * If there is a selected chip, delegate the key events 1092 * to the selected chip. 1093 */ 1094 @Override 1095 public boolean onKeyDown(int keyCode, KeyEvent event) { 1096 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1097 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1098 mAlternatesPopup.dismiss(); 1099 } 1100 removeChip(mSelectedChip); 1101 } 1102 1103 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1104 return true; 1105 } 1106 1107 return super.onKeyDown(keyCode, event); 1108 } 1109 1110 // Visible for testing. 1111 /* package */ Spannable getSpannable() { 1112 return getText(); 1113 } 1114 1115 private int getChipStart(RecipientChip chip) { 1116 return getSpannable().getSpanStart(chip); 1117 } 1118 1119 private int getChipEnd(RecipientChip chip) { 1120 return getSpannable().getSpanEnd(chip); 1121 } 1122 1123 /** 1124 * Instead of filtering on the entire contents of the edit box, 1125 * this subclass method filters on the range from 1126 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1127 * if the length of that range meets or exceeds {@link #getThreshold} 1128 * and makes sure that the range is not already a Chip. 1129 */ 1130 @Override 1131 protected void performFiltering(CharSequence text, int keyCode) { 1132 if (enoughToFilter() && !isCompletedToken(text)) { 1133 int end = getSelectionEnd(); 1134 int start = mTokenizer.findTokenStart(text, end); 1135 // If this is a RecipientChip, don't filter 1136 // on its contents. 1137 Spannable span = getSpannable(); 1138 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1139 if (chips != null && chips.length > 0) { 1140 return; 1141 } 1142 } 1143 super.performFiltering(text, keyCode); 1144 } 1145 1146 // Visible for testing. 1147 /*package*/ boolean isCompletedToken(CharSequence text) { 1148 if (TextUtils.isEmpty(text)) { 1149 return false; 1150 } 1151 // Check to see if this is a completed token before filtering. 1152 int end = text.length(); 1153 int start = mTokenizer.findTokenStart(text, end); 1154 String token = text.toString().substring(start, end).trim(); 1155 if (!TextUtils.isEmpty(token)) { 1156 char atEnd = token.charAt(token.length() - 1); 1157 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1158 } 1159 return false; 1160 } 1161 1162 private void clearSelectedChip() { 1163 if (mSelectedChip != null) { 1164 unselectChip(mSelectedChip); 1165 mSelectedChip = null; 1166 } 1167 setCursorVisible(true); 1168 } 1169 1170 /** 1171 * Monitor touch events in the RecipientEditTextView. 1172 * If the view does not have focus, any tap on the view 1173 * will just focus the view. If the view has focus, determine 1174 * if the touch target is a recipient chip. If it is and the chip 1175 * is not selected, select it and clear any other selected chips. 1176 * If it isn't, then select that chip. 1177 */ 1178 @Override 1179 public boolean onTouchEvent(MotionEvent event) { 1180 if (!isFocused()) { 1181 // Ignore any chip taps until this view is focused. 1182 return super.onTouchEvent(event); 1183 } 1184 boolean handled = super.onTouchEvent(event); 1185 int action = event.getAction(); 1186 boolean chipWasSelected = false; 1187 if (mSelectedChip == null) { 1188 mGestureDetector.onTouchEvent(event); 1189 } 1190 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1191 float x = event.getX(); 1192 float y = event.getY(); 1193 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1194 RecipientChip currentChip = findChip(offset); 1195 if (currentChip != null) { 1196 if (action == MotionEvent.ACTION_UP) { 1197 if (mSelectedChip != null && mSelectedChip != currentChip) { 1198 clearSelectedChip(); 1199 mSelectedChip = selectChip(currentChip); 1200 } else if (mSelectedChip == null) { 1201 setSelection(getText().length()); 1202 commitDefault(); 1203 mSelectedChip = selectChip(currentChip); 1204 } else { 1205 onClick(mSelectedChip, offset, x, y); 1206 } 1207 } 1208 chipWasSelected = true; 1209 handled = true; 1210 } else if (mSelectedChip != null 1211 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1212 chipWasSelected = true; 1213 } 1214 } 1215 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1216 clearSelectedChip(); 1217 } 1218 return handled; 1219 } 1220 1221 private void scrollLineIntoView(int line) { 1222 if (mScrollView != null) { 1223 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1224 } 1225 } 1226 1227 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1228 int width, Context context) { 1229 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1230 int bottom = calculateOffsetFromBottom(line); 1231 // Align the alternates popup with the left side of the View, 1232 // regardless of the position of the chip tapped. 1233 alternatesPopup.setWidth(width); 1234 setEnabled(false); 1235 alternatesPopup.setAnchorView(this); 1236 alternatesPopup.setVerticalOffset(bottom); 1237 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1238 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1239 // Clear the checked item. 1240 mCheckedItem = -1; 1241 alternatesPopup.show(); 1242 ListView listView = alternatesPopup.getListView(); 1243 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1244 // Checked item would be -1 if the adapter has not 1245 // loaded the view that should be checked yet. The 1246 // variable will be set correctly when onCheckedItemChanged 1247 // is called in a separate thread. 1248 if (mCheckedItem != -1) { 1249 listView.setItemChecked(mCheckedItem, true); 1250 mCheckedItem = -1; 1251 } 1252 } 1253 1254 // Dismiss listener for alterns and single address popup. 1255 @Override 1256 public void onDismiss() { 1257 setEnabled(true); 1258 } 1259 1260 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1261 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1262 mAlternatesLayout, this); 1263 } 1264 1265 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1266 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1267 .getEntry()); 1268 } 1269 1270 @Override 1271 public void onCheckedItemChanged(int position) { 1272 ListView listView = mAlternatesPopup.getListView(); 1273 if (listView != null && listView.getCheckedItemCount() == 0) { 1274 listView.setItemChecked(position, true); 1275 } 1276 mCheckedItem = position; 1277 } 1278 1279 // TODO: This algorithm will need a lot of tweaking after more people have used 1280 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1281 // what comes before the finger. 1282 private int putOffsetInRange(int o) { 1283 int offset = o; 1284 Editable text = getText(); 1285 int length = text.length(); 1286 // Remove whitespace from end to find "real end" 1287 int realLength = length; 1288 for (int i = length - 1; i >= 0; i--) { 1289 if (text.charAt(i) == ' ') { 1290 realLength--; 1291 } else { 1292 break; 1293 } 1294 } 1295 1296 // If the offset is beyond or at the end of the text, 1297 // leave it alone. 1298 if (offset >= realLength) { 1299 return offset; 1300 } 1301 Editable editable = getText(); 1302 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1303 // Keep walking backward! 1304 offset--; 1305 } 1306 return offset; 1307 } 1308 1309 private int findText(Editable text, int offset) { 1310 if (text.charAt(offset) != ' ') { 1311 return offset; 1312 } 1313 return -1; 1314 } 1315 1316 private RecipientChip findChip(int offset) { 1317 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1318 // Find the chip that contains this offset. 1319 for (int i = 0; i < chips.length; i++) { 1320 RecipientChip chip = chips[i]; 1321 int start = getChipStart(chip); 1322 int end = getChipEnd(chip); 1323 if (offset >= start && offset <= end) { 1324 return chip; 1325 } 1326 } 1327 return null; 1328 } 1329 1330 // Visible for testing. 1331 // Use this method to generate text to add to the list of addresses. 1332 /*package*/ String createAddressText(RecipientEntry entry) { 1333 String display = entry.getDisplayName(); 1334 String address = entry.getDestination(); 1335 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1336 display = null; 1337 } 1338 if (address != null) { 1339 // Tokenize out the address in case the address already 1340 // contained the username as well. 1341 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1342 if (tokenized != null && tokenized.length > 0) { 1343 address = tokenized[0].getAddress(); 1344 } 1345 } 1346 Rfc822Token token = new Rfc822Token(display, address, null); 1347 String trimmedDisplayText = token.toString().trim(); 1348 int index = trimmedDisplayText.indexOf(","); 1349 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1350 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1351 } 1352 1353 // Visible for testing. 1354 // Use this method to generate text to display in a chip. 1355 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1356 String display = entry.getDisplayName(); 1357 String address = entry.getDestination(); 1358 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1359 display = null; 1360 } 1361 if (address != null) { 1362 // Tokenize out the address in case the address already 1363 // contained the username as well. 1364 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1365 if (tokenized != null && tokenized.length > 0) { 1366 address = tokenized[0].getAddress(); 1367 } 1368 } 1369 if (!TextUtils.isEmpty(display)) { 1370 return display; 1371 } else if (!TextUtils.isEmpty(address)){ 1372 return address; 1373 } else { 1374 return new Rfc822Token(display, address, null).toString(); 1375 } 1376 } 1377 1378 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1379 String displayText = createAddressText(entry); 1380 if (TextUtils.isEmpty(displayText)) { 1381 return null; 1382 } 1383 // Always leave a blank space at the end of a chip. 1384 int textLength = displayText.length()-1; 1385 SpannableString chipText = new SpannableString(displayText); 1386 int end = getSelectionEnd(); 1387 int start = mTokenizer.findTokenStart(getText(), end); 1388 try { 1389 RecipientChip chip = constructChipSpan(entry, start, pressed); 1390 chipText.setSpan(chip, 0, textLength, 1391 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1392 chip.setOriginalText(chipText.toString()); 1393 } catch (NullPointerException e) { 1394 Log.e(TAG, e.getMessage(), e); 1395 return null; 1396 } 1397 1398 return chipText; 1399 } 1400 1401 /** 1402 * When an item in the suggestions list has been clicked, create a chip from the 1403 * contact information of the selected item. 1404 */ 1405 @Override 1406 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1407 submitItemAtPosition(position); 1408 } 1409 1410 private void submitItemAtPosition(int position) { 1411 RecipientEntry entry = createValidatedEntry( 1412 (RecipientEntry)getAdapter().getItem(position)); 1413 if (entry == null) { 1414 return; 1415 } 1416 clearComposingText(); 1417 1418 int end = getSelectionEnd(); 1419 int start = mTokenizer.findTokenStart(getText(), end); 1420 1421 Editable editable = getText(); 1422 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1423 CharSequence chip = createChip(entry, false); 1424 if (chip != null) { 1425 editable.replace(start, end, chip); 1426 } 1427 sanitizeBetween(); 1428 } 1429 1430 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1431 if (item == null) { 1432 return null; 1433 } 1434 final RecipientEntry entry; 1435 // If the display name and the address are the same, or if this is a 1436 // valid contact, but the destination is invalid, then make this a fake 1437 // recipient that is editable. 1438 String destination = item.getDestination(); 1439 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1440 && (TextUtils.isEmpty(item.getDisplayName()) 1441 || TextUtils.equals(item.getDisplayName(), destination) 1442 || (mValidator != null && !mValidator.isValid(destination)))) { 1443 entry = RecipientEntry.constructFakeEntry(destination); 1444 } else { 1445 entry = item; 1446 } 1447 return entry; 1448 } 1449 1450 /** Returns a collection of contact Id for each chip inside this View. */ 1451 /* package */ Collection<Long> getContactIds() { 1452 final Set<Long> result = new HashSet<Long>(); 1453 RecipientChip[] chips = getSortedRecipients(); 1454 if (chips != null) { 1455 for (RecipientChip chip : chips) { 1456 result.add(chip.getContactId()); 1457 } 1458 } 1459 return result; 1460 } 1461 1462 1463 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1464 /* package */ Collection<Long> getDataIds() { 1465 final Set<Long> result = new HashSet<Long>(); 1466 RecipientChip [] chips = getSortedRecipients(); 1467 if (chips != null) { 1468 for (RecipientChip chip : chips) { 1469 result.add(chip.getDataId()); 1470 } 1471 } 1472 return result; 1473 } 1474 1475 // Visible for testing. 1476 /* package */RecipientChip[] getSortedRecipients() { 1477 RecipientChip[] recips = getSpannable() 1478 .getSpans(0, getText().length(), RecipientChip.class); 1479 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1480 .asList(recips)); 1481 final Spannable spannable = getSpannable(); 1482 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1483 1484 @Override 1485 public int compare(RecipientChip first, RecipientChip second) { 1486 int firstStart = spannable.getSpanStart(first); 1487 int secondStart = spannable.getSpanStart(second); 1488 if (firstStart < secondStart) { 1489 return -1; 1490 } else if (firstStart > secondStart) { 1491 return 1; 1492 } else { 1493 return 0; 1494 } 1495 } 1496 }); 1497 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1498 } 1499 1500 @Override 1501 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1502 return false; 1503 } 1504 1505 @Override 1506 public void onDestroyActionMode(ActionMode mode) { 1507 } 1508 1509 @Override 1510 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1511 return false; 1512 } 1513 1514 /** 1515 * No chips are selectable. 1516 */ 1517 @Override 1518 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1519 return false; 1520 } 1521 1522 // Visible for testing. 1523 /* package */ImageSpan getMoreChip() { 1524 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1525 MoreImageSpan.class); 1526 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1527 } 1528 1529 /** 1530 * Create the more chip. The more chip is text that replaces any chips that 1531 * do not fit in the pre-defined available space when the 1532 * RecipientEditTextView loses focus. 1533 */ 1534 // Visible for testing. 1535 /* package */ void createMoreChip() { 1536 if (!mShouldShrink) { 1537 return; 1538 } 1539 1540 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1541 if (tempMore.length > 0) { 1542 getSpannable().removeSpan(tempMore[0]); 1543 } 1544 RecipientChip[] recipients = getSortedRecipients(); 1545 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1546 mMoreChip = null; 1547 return; 1548 } 1549 Spannable spannable = getSpannable(); 1550 int numRecipients = recipients.length; 1551 int overage = numRecipients - CHIP_LIMIT; 1552 String moreText = String.format(mMoreItem.getText().toString(), overage); 1553 TextPaint morePaint = new TextPaint(getPaint()); 1554 morePaint.setTextSize(mMoreItem.getTextSize()); 1555 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1556 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1557 + mMoreItem.getPaddingRight(); 1558 int height = getLineHeight(); 1559 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1560 Canvas canvas = new Canvas(drawable); 1561 int adjustedHeight = height; 1562 Layout layout = getLayout(); 1563 if (layout != null) { 1564 adjustedHeight -= layout.getLineDescent(0); 1565 } 1566 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1567 1568 Drawable result = new BitmapDrawable(getResources(), drawable); 1569 result.setBounds(0, 0, width, height); 1570 MoreImageSpan moreSpan = new MoreImageSpan(result); 1571 // Remove the overage chips. 1572 if (recipients == null || recipients.length == 0) { 1573 Log.w(TAG, 1574 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1575 mMoreChip = null; 1576 return; 1577 } 1578 mRemovedSpans = new ArrayList<RecipientChip>(); 1579 int totalReplaceStart = 0; 1580 int totalReplaceEnd = 0; 1581 Editable text = getText(); 1582 for (int i = numRecipients - overage; i < recipients.length; i++) { 1583 mRemovedSpans.add(recipients[i]); 1584 if (i == numRecipients - overage) { 1585 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1586 } 1587 if (i == recipients.length - 1) { 1588 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1589 } 1590 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1591 int spanStart = spannable.getSpanStart(recipients[i]); 1592 int spanEnd = spannable.getSpanEnd(recipients[i]); 1593 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1594 } 1595 spannable.removeSpan(recipients[i]); 1596 } 1597 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1598 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1599 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1600 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1601 text.replace(start, end, chipText); 1602 mMoreChip = moreSpan; 1603 } 1604 1605 /** 1606 * Replace the more chip, if it exists, with all of the recipient chips it had 1607 * replaced when the RecipientEditTextView gains focus. 1608 */ 1609 // Visible for testing. 1610 /*package*/ void removeMoreChip() { 1611 if (mMoreChip != null) { 1612 Spannable span = getSpannable(); 1613 span.removeSpan(mMoreChip); 1614 mMoreChip = null; 1615 // Re-add the spans that were removed. 1616 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1617 // Recreate each removed span. 1618 RecipientChip[] recipients = getSortedRecipients(); 1619 // Start the search for tokens after the last currently visible 1620 // chip. 1621 if (recipients == null || recipients.length == 0) { 1622 return; 1623 } 1624 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1625 Editable editable = getText(); 1626 for (RecipientChip chip : mRemovedSpans) { 1627 int chipStart; 1628 int chipEnd; 1629 String token; 1630 // Need to find the location of the chip, again. 1631 token = (String) chip.getOriginalText(); 1632 // As we find the matching recipient for the remove spans, 1633 // reduce the size of the string we need to search. 1634 // That way, if there are duplicates, we always find the correct 1635 // recipient. 1636 chipStart = editable.toString().indexOf(token, end); 1637 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1638 // Only set the span if we found a matching token. 1639 if (chipStart != -1) { 1640 editable.setSpan(chip, chipStart, chipEnd, 1641 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1642 } 1643 } 1644 mRemovedSpans.clear(); 1645 } 1646 } 1647 } 1648 1649 /** 1650 * Show specified chip as selected. If the RecipientChip is just an email address, 1651 * selecting the chip will take the contents of the chip and place it at 1652 * the end of the RecipientEditTextView for inline editing. If the 1653 * RecipientChip is a complete contact, then selecting the chip 1654 * will change the background color of the chip, show the delete icon, 1655 * and a popup window with the address in use highlighted and any other 1656 * alternate addresses for the contact. 1657 * @param currentChip Chip to select. 1658 * @return A RecipientChip in the selected state or null if the chip 1659 * just contained an email address. 1660 */ 1661 private RecipientChip selectChip(RecipientChip currentChip) { 1662 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1663 CharSequence text = currentChip.getValue(); 1664 Editable editable = getText(); 1665 removeChip(currentChip); 1666 editable.append(text); 1667 setCursorVisible(true); 1668 setSelection(editable.length()); 1669 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1670 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1671 int start = getChipStart(currentChip); 1672 int end = getChipEnd(currentChip); 1673 getSpannable().removeSpan(currentChip); 1674 RecipientChip newChip; 1675 try { 1676 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1677 } catch (NullPointerException e) { 1678 Log.e(TAG, e.getMessage(), e); 1679 return null; 1680 } 1681 Editable editable = getText(); 1682 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1683 if (start == -1 || end == -1) { 1684 Log.d(TAG, "The chip being selected no longer exists but should."); 1685 } else { 1686 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1687 } 1688 newChip.setSelected(true); 1689 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1690 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1691 } 1692 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1693 setCursorVisible(false); 1694 return newChip; 1695 } else { 1696 int start = getChipStart(currentChip); 1697 int end = getChipEnd(currentChip); 1698 getSpannable().removeSpan(currentChip); 1699 RecipientChip newChip; 1700 try { 1701 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1702 } catch (NullPointerException e) { 1703 Log.e(TAG, e.getMessage(), e); 1704 return null; 1705 } 1706 Editable editable = getText(); 1707 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1708 if (start == -1 || end == -1) { 1709 Log.d(TAG, "The chip being selected no longer exists but should."); 1710 } else { 1711 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1712 } 1713 newChip.setSelected(true); 1714 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1715 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1716 } 1717 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1718 setCursorVisible(false); 1719 return newChip; 1720 } 1721 } 1722 1723 1724 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1725 int width, Context context) { 1726 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1727 int bottom = calculateOffsetFromBottom(line); 1728 // Align the alternates popup with the left side of the View, 1729 // regardless of the position of the chip tapped. 1730 setEnabled(false); 1731 popup.setWidth(width); 1732 popup.setAnchorView(this); 1733 popup.setVerticalOffset(bottom); 1734 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1735 popup.setOnItemClickListener(new OnItemClickListener() { 1736 @Override 1737 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1738 unselectChip(currentChip); 1739 popup.dismiss(); 1740 } 1741 }); 1742 popup.show(); 1743 ListView listView = popup.getListView(); 1744 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1745 listView.setItemChecked(0, true); 1746 } 1747 1748 /** 1749 * Remove selection from this chip. Unselecting a RecipientChip will render 1750 * the chip without a delete icon and with an unfocused background. This 1751 * is called when the RecipientChip no longer has focus. 1752 */ 1753 private void unselectChip(RecipientChip chip) { 1754 int start = getChipStart(chip); 1755 int end = getChipEnd(chip); 1756 Editable editable = getText(); 1757 mSelectedChip = null; 1758 if (start == -1 || end == -1) { 1759 Log.w(TAG, 1760 "The chip doesn't exist or may be a chip a user was editing"); 1761 setSelection(editable.length()); 1762 commitDefault(); 1763 } else { 1764 getSpannable().removeSpan(chip); 1765 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1766 editable.removeSpan(chip); 1767 try { 1768 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1769 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1770 } catch (NullPointerException e) { 1771 Log.e(TAG, e.getMessage(), e); 1772 } 1773 } 1774 setCursorVisible(true); 1775 setSelection(editable.length()); 1776 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1777 mAlternatesPopup.dismiss(); 1778 } 1779 } 1780 1781 /** 1782 * Return whether a touch event was inside the delete target of 1783 * a selected chip. It is in the delete target if: 1784 * 1) the x and y points of the event are within the 1785 * delete assset. 1786 * 2) the point tapped would have caused a cursor to appear 1787 * right after the selected chip. 1788 * @return boolean 1789 */ 1790 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1791 // Figure out the bounds of this chip and whether or not 1792 // the user clicked in the X portion. 1793 return chip.isSelected() && offset == getChipEnd(chip); 1794 } 1795 1796 /** 1797 * Remove the chip and any text associated with it from the RecipientEditTextView. 1798 */ 1799 // Visible for testing. 1800 /*pacakge*/ void removeChip(RecipientChip chip) { 1801 Spannable spannable = getSpannable(); 1802 int spanStart = spannable.getSpanStart(chip); 1803 int spanEnd = spannable.getSpanEnd(chip); 1804 Editable text = getText(); 1805 int toDelete = spanEnd; 1806 boolean wasSelected = chip == mSelectedChip; 1807 // Clear that there is a selected chip before updating any text. 1808 if (wasSelected) { 1809 mSelectedChip = null; 1810 } 1811 // Always remove trailing spaces when removing a chip. 1812 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1813 toDelete++; 1814 } 1815 spannable.removeSpan(chip); 1816 text.delete(spanStart, toDelete); 1817 if (wasSelected) { 1818 clearSelectedChip(); 1819 } 1820 } 1821 1822 /** 1823 * Replace this currently selected chip with a new chip 1824 * that uses the contact data provided. 1825 */ 1826 // Visible for testing. 1827 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1828 boolean wasSelected = chip == mSelectedChip; 1829 if (wasSelected) { 1830 mSelectedChip = null; 1831 } 1832 int start = getChipStart(chip); 1833 int end = getChipEnd(chip); 1834 getSpannable().removeSpan(chip); 1835 Editable editable = getText(); 1836 CharSequence chipText = createChip(entry, false); 1837 if (chipText != null) { 1838 if (start == -1 || end == -1) { 1839 Log.e(TAG, "The chip to replace does not exist but should."); 1840 editable.insert(0, chipText); 1841 } else { 1842 if (!TextUtils.isEmpty(chipText)) { 1843 // There may be a space to replace with this chip's new 1844 // associated 1845 // space. Check for it 1846 int toReplace = end; 1847 while (toReplace >= 0 && toReplace < editable.length() 1848 && editable.charAt(toReplace) == ' ') { 1849 toReplace++; 1850 } 1851 editable.replace(start, toReplace, chipText); 1852 } 1853 } 1854 } 1855 setCursorVisible(true); 1856 if (wasSelected) { 1857 clearSelectedChip(); 1858 } 1859 } 1860 1861 /** 1862 * Handle click events for a chip. When a selected chip receives a click 1863 * event, see if that event was in the delete icon. If so, delete it. 1864 * Otherwise, unselect the chip. 1865 */ 1866 public void onClick(RecipientChip chip, int offset, float x, float y) { 1867 if (chip.isSelected()) { 1868 if (isInDelete(chip, offset, x, y)) { 1869 removeChip(chip); 1870 } else { 1871 clearSelectedChip(); 1872 } 1873 } 1874 } 1875 1876 private boolean chipsPending() { 1877 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1878 } 1879 1880 @Override 1881 public void removeTextChangedListener(TextWatcher watcher) { 1882 mTextWatcher = null; 1883 super.removeTextChangedListener(watcher); 1884 } 1885 1886 private class RecipientTextWatcher implements TextWatcher { 1887 @Override 1888 public void afterTextChanged(Editable s) { 1889 // If the text has been set to null or empty, make sure we remove 1890 // all the spans we applied. 1891 if (TextUtils.isEmpty(s)) { 1892 // Remove all the chips spans. 1893 Spannable spannable = getSpannable(); 1894 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1895 RecipientChip.class); 1896 for (RecipientChip chip : chips) { 1897 spannable.removeSpan(chip); 1898 } 1899 if (mMoreChip != null) { 1900 spannable.removeSpan(mMoreChip); 1901 } 1902 return; 1903 } 1904 // Get whether there are any recipients pending addition to the 1905 // view. If there are, don't do anything in the text watcher. 1906 if (chipsPending()) { 1907 return; 1908 } 1909 // If the user is editing a chip, don't clear it. 1910 if (mSelectedChip != null 1911 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1912 setCursorVisible(true); 1913 setSelection(getText().length()); 1914 clearSelectedChip(); 1915 } 1916 int length = s.length(); 1917 // Make sure there is content there to parse and that it is 1918 // not just the commit character. 1919 if (length > 1) { 1920 char last; 1921 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1922 int len = length() - 1; 1923 if (end != len) { 1924 last = s.charAt(end); 1925 } else { 1926 last = s.charAt(len); 1927 } 1928 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1929 commitByCharacter(); 1930 } else if (last == COMMIT_CHAR_SPACE) { 1931 // Check if this is a valid email address. If it is, 1932 // commit it. 1933 String text = getText().toString(); 1934 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1935 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1936 tokenStart)); 1937 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1938 commitByCharacter(); 1939 } 1940 } 1941 } 1942 } 1943 1944 @Override 1945 public void onTextChanged(CharSequence s, int start, int before, int count) { 1946 // Do nothing. 1947 } 1948 1949 @Override 1950 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1951 // Do nothing. 1952 } 1953 } 1954 1955 @Override 1956 public boolean onTextContextMenuItem(int id) { 1957 if (id == android.R.id.paste) { 1958 removeTextChangedListener(mTextWatcher); 1959 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 1960 Context.CLIPBOARD_SERVICE); 1961 ClipData clip = clipboard.getPrimaryClip(); 1962 if (clip != null 1963 && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)) { 1964 for (int i = 0; i < clip.getItemCount(); i++) { 1965 CharSequence paste = clip.getItemAt(i).getText(); 1966 if (paste != null) { 1967 int start = getSelectionStart(); 1968 int end = getSelectionEnd(); 1969 Editable editable = getText(); 1970 if (start >= 0 && end >= 0 && start != end) { 1971 editable.append(paste, start, end); 1972 } else { 1973 editable.insert(end, paste); 1974 } 1975 handlePasteAndReplace(); 1976 } 1977 } 1978 } 1979 mHandler.post(mAddTextWatcher); 1980 return true; 1981 } 1982 return super.onTextContextMenuItem(id); 1983 } 1984 1985 private void handlePasteAndReplace() { 1986 ArrayList<RecipientChip> created = handlePaste(); 1987 if (created != null && created.size() > 0) { 1988 // Perform reverse lookups on the pasted contacts. 1989 IndividualReplacementTask replace = new IndividualReplacementTask(); 1990 replace.execute(created); 1991 } 1992 } 1993 1994 // Visible for testing. 1995 /* package */ArrayList<RecipientChip> handlePaste() { 1996 String text = getText().toString(); 1997 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1998 String lastAddress = text.substring(originalTokenStart); 1999 int tokenStart = originalTokenStart; 2000 int prevTokenStart = tokenStart; 2001 RecipientChip findChip = null; 2002 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2003 if (tokenStart != 0) { 2004 // There are things before this! 2005 while (tokenStart != 0 && findChip == null) { 2006 prevTokenStart = tokenStart; 2007 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2008 findChip = findChip(tokenStart); 2009 } 2010 if (tokenStart != originalTokenStart) { 2011 if (findChip != null) { 2012 tokenStart = prevTokenStart; 2013 } 2014 int tokenEnd; 2015 RecipientChip createdChip; 2016 while (tokenStart < originalTokenStart) { 2017 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2018 commitChip(tokenStart, tokenEnd, getText()); 2019 createdChip = findChip(tokenStart); 2020 // +1 for the space at the end. 2021 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2022 created.add(createdChip); 2023 } 2024 } 2025 } 2026 // Take a look at the last token. If the token has been completed with a 2027 // commit character, create a chip. 2028 if (isCompletedToken(lastAddress)) { 2029 Editable editable = getText(); 2030 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2031 commitChip(tokenStart, editable.length(), editable); 2032 created.add(findChip(tokenStart)); 2033 } 2034 return created; 2035 } 2036 2037 // Visible for testing. 2038 /* package */int movePastTerminators(int tokenEnd) { 2039 if (tokenEnd >= length()) { 2040 return tokenEnd; 2041 } 2042 char atEnd = getText().toString().charAt(tokenEnd); 2043 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2044 tokenEnd++; 2045 } 2046 // This token had not only an end token character, but also a space 2047 // separating it from the next token. 2048 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2049 tokenEnd++; 2050 } 2051 return tokenEnd; 2052 } 2053 2054 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2055 private RecipientChip createFreeChip(RecipientEntry entry) { 2056 try { 2057 return constructChipSpan(entry, -1, false); 2058 } catch (NullPointerException e) { 2059 Log.e(TAG, e.getMessage(), e); 2060 return null; 2061 } 2062 } 2063 2064 @Override 2065 protected Void doInBackground(Void... params) { 2066 if (mIndividualReplacements != null) { 2067 mIndividualReplacements.cancel(true); 2068 } 2069 // For each chip in the list, look up the matching contact. 2070 // If there is a match, replace that chip with the matching 2071 // chip. 2072 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2073 RecipientChip[] existingChips = getSortedRecipients(); 2074 for (int i = 0; i < existingChips.length; i++) { 2075 originalRecipients.add(existingChips[i]); 2076 } 2077 if (mRemovedSpans != null) { 2078 originalRecipients.addAll(mRemovedSpans); 2079 } 2080 String[] addresses = new String[originalRecipients.size()]; 2081 for (int i = 0; i < originalRecipients.size(); i++) { 2082 addresses[i] = createAddressText(originalRecipients.get(i).getEntry()); 2083 } 2084 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2085 .getMatchingRecipients(getContext(), addresses); 2086 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2087 for (final RecipientChip temp : originalRecipients) { 2088 RecipientEntry entry = null; 2089 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2090 && getSpannable().getSpanStart(temp) != -1) { 2091 // Replace this. 2092 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2093 .getDestination()))); 2094 } 2095 if (entry != null) { 2096 replacements.add(createFreeChip(entry)); 2097 } else { 2098 replacements.add(temp); 2099 } 2100 } 2101 if (replacements != null && replacements.size() > 0) { 2102 mHandler.post(new Runnable() { 2103 @Override 2104 public void run() { 2105 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2106 .toString()); 2107 Editable oldText = getText(); 2108 int start, end; 2109 int i = 0; 2110 for (RecipientChip chip : originalRecipients) { 2111 start = oldText.getSpanStart(chip); 2112 if (start != -1) { 2113 end = oldText.getSpanEnd(chip); 2114 oldText.removeSpan(chip); 2115 // Leave a spot for the space! 2116 RecipientChip replacement = replacements.get(i); 2117 text.setSpan(replacement, start, end, 2118 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2119 replacement.setOriginalText(text.toString().substring(start, end)); 2120 } 2121 i++; 2122 } 2123 originalRecipients.clear(); 2124 setText(text); 2125 } 2126 }); 2127 } 2128 return null; 2129 } 2130 } 2131 2132 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2133 @SuppressWarnings("unchecked") 2134 @Override 2135 protected Void doInBackground(Object... params) { 2136 // For each chip in the list, look up the matching contact. 2137 // If there is a match, replace that chip with the matching 2138 // chip. 2139 final ArrayList<RecipientChip> originalRecipients = 2140 (ArrayList<RecipientChip>) params[0]; 2141 String[] addresses = new String[originalRecipients.size()]; 2142 for (int i = 0; i < originalRecipients.size(); i++) { 2143 addresses[i] = createAddressText(originalRecipients.get(i).getEntry()); 2144 } 2145 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2146 .getMatchingRecipients(getContext(), addresses); 2147 for (final RecipientChip temp : originalRecipients) { 2148 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2149 && getSpannable().getSpanStart(temp) != -1) { 2150 // Replace this. 2151 final RecipientEntry entry = createValidatedEntry(entries 2152 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2153 if (entry != null) { 2154 mHandler.post(new Runnable() { 2155 @Override 2156 public void run() { 2157 replaceChip(temp, entry); 2158 } 2159 }); 2160 } 2161 } 2162 } 2163 return null; 2164 } 2165 } 2166 2167 2168 /** 2169 * MoreImageSpan is a simple class created for tracking the existence of a 2170 * more chip across activity restarts/ 2171 */ 2172 private class MoreImageSpan extends ImageSpan { 2173 public MoreImageSpan(Drawable b) { 2174 super(b); 2175 } 2176 } 2177 2178 @Override 2179 public boolean onDown(MotionEvent e) { 2180 return false; 2181 } 2182 2183 @Override 2184 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2185 // Do nothing. 2186 return false; 2187 } 2188 2189 @Override 2190 public void onLongPress(MotionEvent event) { 2191 if (mSelectedChip != null) { 2192 return; 2193 } 2194 float x = event.getX(); 2195 float y = event.getY(); 2196 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2197 RecipientChip currentChip = findChip(offset); 2198 if (currentChip != null) { 2199 // Copy the selected chip email address. 2200 showCopyDialog(currentChip.getEntry().getDestination()); 2201 } 2202 } 2203 2204 private void showCopyDialog(final String address) { 2205 mCopyAddress = address; 2206 mCopyDialog.setTitle(address); 2207 mCopyDialog.setContentView(mCopyViewRes); 2208 mCopyDialog.setCancelable(true); 2209 mCopyDialog.setCanceledOnTouchOutside(true); 2210 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 2211 mCopyDialog.setOnDismissListener(this); 2212 mCopyDialog.show(); 2213 } 2214 2215 @Override 2216 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2217 // Do nothing. 2218 return false; 2219 } 2220 2221 @Override 2222 public void onShowPress(MotionEvent e) { 2223 // Do nothing. 2224 } 2225 2226 @Override 2227 public boolean onSingleTapUp(MotionEvent e) { 2228 // Do nothing. 2229 return false; 2230 } 2231 2232 @Override 2233 public void onDismiss(DialogInterface dialog) { 2234 mCopyAddress = null; 2235 } 2236 2237 @Override 2238 public void onClick(View v) { 2239 // Copy this to the clipboard. 2240 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2241 Context.CLIPBOARD_SERVICE); 2242 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2243 mCopyDialog.dismiss(); 2244 } 2245} 2246