RecipientEditTextView.java revision 399bda87ad1a4d003609d6d27afc50c8359846b9
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipboardManager; 22import android.content.Context; 23import android.content.DialogInterface; 24import android.content.DialogInterface.OnDismissListener; 25import android.graphics.Bitmap; 26import android.graphics.BitmapFactory; 27import android.graphics.Canvas; 28import android.graphics.Matrix; 29import android.graphics.Rect; 30import android.graphics.RectF; 31import android.graphics.drawable.BitmapDrawable; 32import android.graphics.drawable.Drawable; 33import android.os.AsyncTask; 34import android.os.Handler; 35import android.os.Message; 36import android.os.Parcelable; 37import android.text.Editable; 38import android.text.InputType; 39import android.text.Layout; 40import android.text.Spannable; 41import android.text.SpannableString; 42import android.text.SpannableStringBuilder; 43import android.text.Spanned; 44import android.text.TextPaint; 45import android.text.TextUtils; 46import android.text.TextWatcher; 47import android.text.method.QwertyKeyListener; 48import android.text.style.ImageSpan; 49import android.text.util.Rfc822Token; 50import android.text.util.Rfc822Tokenizer; 51import android.util.AttributeSet; 52import android.util.Log; 53import android.view.ActionMode; 54import android.view.ActionMode.Callback; 55import android.view.GestureDetector; 56import android.view.KeyEvent; 57import android.view.LayoutInflater; 58import android.view.Menu; 59import android.view.MenuItem; 60import android.view.MotionEvent; 61import android.view.View; 62import android.view.View.OnClickListener; 63import android.view.ViewParent; 64import android.widget.AdapterView; 65import android.widget.AdapterView.OnItemClickListener; 66import android.widget.Filterable; 67import android.widget.ListAdapter; 68import android.widget.ListPopupWindow; 69import android.widget.ListView; 70import android.widget.MultiAutoCompleteTextView; 71import android.widget.PopupWindow; 72import android.widget.ScrollView; 73import android.widget.TextView; 74 75import java.util.ArrayList; 76import java.util.Arrays; 77import java.util.Collection; 78import java.util.Collections; 79import java.util.Comparator; 80import java.util.HashMap; 81import java.util.HashSet; 82import java.util.Set; 83 84/** 85 * RecipientEditTextView is an auto complete text view for use with applications 86 * that use the new Chips UI for addressing a message to recipients. 87 */ 88public class RecipientEditTextView extends MultiAutoCompleteTextView implements 89 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 90 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 91 PopupWindow.OnDismissListener { 92 93 private static final String TAG = "RecipientEditTextView"; 94 95 // TODO: get correct number/ algorithm from with UX. 96 private static final int CHIP_LIMIT = 2; 97 98 private Drawable mChipBackground = null; 99 100 private Drawable mChipDelete = null; 101 102 private int mChipPadding; 103 104 private Tokenizer mTokenizer; 105 106 private Drawable mChipBackgroundPressed; 107 108 private RecipientChip mSelectedChip; 109 110 private int mAlternatesLayout; 111 112 private Bitmap mDefaultContactPhoto; 113 114 private ImageSpan mMoreChip; 115 116 private TextView mMoreItem; 117 118 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 119 120 private float mChipHeight; 121 122 private float mChipFontSize; 123 124 private Validator mValidator; 125 126 private Drawable mInvalidChipBackground; 127 128 private Handler mHandler; 129 130 private static int DISMISS = "dismiss".hashCode(); 131 132 private static final long DISMISS_DELAY = 300; 133 134 private int mPendingChipsCount = 0; 135 136 private static int sSelectedTextColor = -1; 137 138 private static final char COMMIT_CHAR_COMMA = ','; 139 140 private static final char COMMIT_CHAR_SEMICOLON = ';'; 141 142 private static final char COMMIT_CHAR_SPACE = ' '; 143 144 private ListPopupWindow mAlternatesPopup; 145 146 private ListPopupWindow mAddressPopup; 147 148 private ArrayList<RecipientChip> mTemporaryRecipients; 149 150 private ArrayList<RecipientChip> mRemovedSpans; 151 152 private boolean mShouldShrink = true; 153 154 // Chip copy fields. 155 private GestureDetector mGestureDetector; 156 157 private Dialog mCopyDialog; 158 159 private int mCopyViewRes; 160 161 private String mCopyAddress; 162 163 /** 164 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 165 * selected chip. 166 */ 167 private OnItemClickListener mAlternatesListener; 168 169 private int mCheckedItem; 170 private TextWatcher mTextWatcher; 171 172 private ScrollView mScrollView; 173 174 private boolean mTried; 175 176 private final Runnable mAddTextWatcher = new Runnable() { 177 @Override 178 public void run() { 179 if (mTextWatcher == null) { 180 mTextWatcher = new RecipientTextWatcher(); 181 addTextChangedListener(mTextWatcher); 182 } 183 } 184 }; 185 186 private IndividualReplacementTask mIndividualReplacements; 187 188 private Runnable mHandlePendingChips = new Runnable() { 189 190 @Override 191 public void run() { 192 handlePendingChips(); 193 } 194 195 }; 196 197 public RecipientEditTextView(Context context, AttributeSet attrs) { 198 super(context, attrs); 199 if (sSelectedTextColor == -1) { 200 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 201 } 202 mAlternatesPopup = new ListPopupWindow(context); 203 mAlternatesPopup.setOnDismissListener(this); 204 mAddressPopup = new ListPopupWindow(context); 205 mAddressPopup.setOnDismissListener(this); 206 mCopyDialog = new Dialog(context); 207 mAlternatesListener = new OnItemClickListener() { 208 @Override 209 public void onItemClick(AdapterView<?> adapterView,View view, int position, 210 long rowId) { 211 mAlternatesPopup.setOnItemClickListener(null); 212 setEnabled(true); 213 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 214 .getRecipientEntry(position)); 215 Message delayed = Message.obtain(mHandler, DISMISS); 216 delayed.obj = mAlternatesPopup; 217 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 218 clearComposingText(); 219 } 220 }; 221 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 222 setOnItemClickListener(this); 223 setCustomSelectionActionModeCallback(this); 224 mHandler = new Handler() { 225 @Override 226 public void handleMessage(Message msg) { 227 if (msg.what == DISMISS) { 228 ((ListPopupWindow) msg.obj).dismiss(); 229 return; 230 } 231 super.handleMessage(msg); 232 } 233 }; 234 mTextWatcher = new RecipientTextWatcher(); 235 addTextChangedListener(mTextWatcher); 236 mGestureDetector = new GestureDetector(context, this); 237 } 238 239 @Override 240 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 241 super.setAdapter(adapter); 242 if (adapter == null) { 243 return; 244 } 245 } 246 247 @Override 248 public void onSelectionChanged(int start, int end) { 249 // When selection changes, see if it is inside the chips area. 250 // If so, move the cursor back after the chips again. 251 Spannable span = getSpannable(); 252 int textLength = getText().length(); 253 RecipientChip[] chips = span.getSpans(start, textLength, RecipientChip.class); 254 if (chips != null && chips.length > 0) { 255 if (chips != null && chips.length > 0) { 256 // Grab the last chip and set the cursor to after it. 257 setSelection(Math.min(span.getSpanEnd(chips[chips.length - 1]) + 1, textLength)); 258 } 259 } 260 super.onSelectionChanged(start, end); 261 } 262 263 @Override 264 public void onRestoreInstanceState(Parcelable state) { 265 if (!TextUtils.isEmpty(getText())) { 266 super.onRestoreInstanceState(null); 267 } else { 268 super.onRestoreInstanceState(state); 269 } 270 } 271 272 /** 273 * Convenience method: Append the specified text slice to the TextView's 274 * display buffer, upgrading it to BufferType.EDITABLE if it was 275 * not already editable. Commas are excluded as they are added automatically 276 * by the view. 277 */ 278 @Override 279 public void append(CharSequence text, int start, int end) { 280 // We don't care about watching text changes while appending. 281 if (mTextWatcher != null) { 282 removeTextChangedListener(mTextWatcher); 283 } 284 super.append(text, start, end); 285 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 286 final String displayString = (String) text; 287 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 288 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 289 && TextUtils.getTrimmedLength(displayString) > 0) { 290 mPendingChipsCount++; 291 mPendingChips.add((String)text); 292 } 293 } 294 // Put a message on the queue to make sure we ALWAYS handle pending chips. 295 if (mPendingChipsCount > 0) { 296 postHandlePendingChips(); 297 } 298 mHandler.post(mAddTextWatcher); 299 } 300 301 @Override 302 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 303 super.onFocusChanged(hasFocus, direction, previous); 304 if (!hasFocus) { 305 shrink(); 306 } else { 307 expand(); 308 scrollLineIntoView(getLineCount()); 309 } 310 } 311 312 @Override 313 public void performValidation() { 314 // Do nothing. Chips handles its own validation. 315 } 316 317 private void shrink() { 318 if (mSelectedChip != null 319 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 320 clearSelectedChip(); 321 } else { 322 // Reset any pending chips as they would have been handled 323 // when the field lost focus. 324 if (mPendingChipsCount > 0) { 325 postHandlePendingChips(); 326 } else { 327 Editable editable = getText(); 328 int end = getSelectionEnd(); 329 int start = mTokenizer.findTokenStart(editable, end); 330 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 331 if ((chips == null || chips.length == 0)) { 332 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 333 // In the middle of chip; treat this as an edit 334 // and commit the whole token. 335 if (whatEnd != getSelectionEnd()) { 336 handleEdit(start, whatEnd); 337 } else { 338 commitChip(start, end, editable); 339 } 340 } 341 } 342 mHandler.post(mAddTextWatcher); 343 } 344 createMoreChip(); 345 } 346 347 private void expand() { 348 removeMoreChip(); 349 setCursorVisible(true); 350 Editable text = getText(); 351 setSelection(text != null && text.length() > 0 ? text.length() : 0); 352 // If there are any temporary chips, try replacing them now that the user 353 // has expanded the field. 354 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 355 new RecipientReplacementTask().execute(); 356 mTemporaryRecipients = null; 357 } 358 } 359 360 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 361 paint.setTextSize(mChipFontSize); 362 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 363 Log.d(TAG, "Max width is negative: " + maxWidth); 364 } 365 return TextUtils.ellipsize(text, paint, maxWidth, 366 TextUtils.TruncateAt.END); 367 } 368 369 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 370 // Ellipsize the text so that it takes AT MOST the entire width of the 371 // autocomplete text entry area. Make sure to leave space for padding 372 // on the sides. 373 int height = (int) mChipHeight; 374 int deleteWidth = height; 375 CharSequence ellipsizedText = ellipsizeText(contact.getDisplayName(), paint, 376 calculateAvailableWidth(true) - deleteWidth); 377 378 // Make sure there is a minimum chip width so the user can ALWAYS 379 // tap a chip without difficulty. 380 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 381 ellipsizedText.length())) 382 + (mChipPadding * 2) + deleteWidth); 383 384 // Create the background of the chip. 385 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 386 Canvas canvas = new Canvas(tmpBitmap); 387 if (mChipBackgroundPressed != null) { 388 mChipBackgroundPressed.setBounds(0, 0, width, height); 389 mChipBackgroundPressed.draw(canvas); 390 paint.setColor(sSelectedTextColor); 391 // Vertically center the text in the chip. 392 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 393 getTextYOffset((String) ellipsizedText, paint, height), paint); 394 // Make the delete a square. 395 Rect backgroundPadding = new Rect(); 396 mChipBackgroundPressed.getPadding(backgroundPadding); 397 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 398 0 + backgroundPadding.top, 399 width - backgroundPadding.right, 400 height - backgroundPadding.bottom); 401 mChipDelete.draw(canvas); 402 } else { 403 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 404 } 405 return tmpBitmap; 406 } 407 408 /** 409 * Get the background drawable for a RecipientChip. 410 */ 411 public Drawable getChipBackground(RecipientEntry contact) { 412 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 413 mChipBackground : mInvalidChipBackground; 414 } 415 416 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 417 // Ellipsize the text so that it takes AT MOST the entire width of the 418 // autocomplete text entry area. Make sure to leave space for padding 419 // on the sides. 420 int height = (int) mChipHeight; 421 int iconWidth = height; 422 String displayText = 423 !TextUtils.isEmpty(contact.getDisplayName()) ? contact.getDisplayName() : 424 !TextUtils.isEmpty(contact.getDestination()) ? contact.getDestination() : ""; 425 CharSequence ellipsizedText = ellipsizeText(displayText, paint, 426 calculateAvailableWidth(false) - iconWidth); 427 // Make sure there is a minimum chip width so the user can ALWAYS 428 // tap a chip without difficulty. 429 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 430 ellipsizedText.length())) 431 + (mChipPadding * 2) + iconWidth); 432 433 // Create the background of the chip. 434 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 435 Canvas canvas = new Canvas(tmpBitmap); 436 Drawable background = getChipBackground(contact); 437 if (background != null) { 438 background.setBounds(0, 0, width, height); 439 background.draw(canvas); 440 441 // Don't draw photos for recipients that have been typed in. 442 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 443 byte[] photoBytes = contact.getPhotoBytes(); 444 // There may not be a photo yet if anything but the first contact address 445 // was selected. 446 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 447 // TODO: cache this in the recipient entry? 448 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 449 .getPhotoThumbnailUri()); 450 photoBytes = contact.getPhotoBytes(); 451 } 452 453 Bitmap photo; 454 if (photoBytes != null) { 455 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 456 } else { 457 // TODO: can the scaled down default photo be cached? 458 photo = mDefaultContactPhoto; 459 } 460 // Draw the photo on the left side. 461 Matrix matrix = new Matrix(); 462 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 463 Rect backgroundPadding = new Rect(); 464 mChipBackground.getPadding(backgroundPadding); 465 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 466 0 + backgroundPadding.top, 467 width - backgroundPadding.right, 468 height - backgroundPadding.bottom); 469 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 470 canvas.drawBitmap(photo, matrix, paint); 471 } else { 472 // Don't leave any space for the icon. It isn't being drawn. 473 iconWidth = 0; 474 } 475 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 476 // Vertically center the text in the chip. 477 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 478 getTextYOffset((String)ellipsizedText, paint, height), paint); 479 } else { 480 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 481 } 482 return tmpBitmap; 483 } 484 485 private float getTextYOffset(String text, TextPaint paint, int height) { 486 Rect bounds = new Rect(); 487 paint.getTextBounds((String)text, 0, text.length(), bounds); 488 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 489 return height - ((height - textHeight) / 2); 490 } 491 492 public RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 493 throws NullPointerException { 494 if (mChipBackground == null) { 495 throw new NullPointerException( 496 "Unable to render any chips as setChipDimensions was not called."); 497 } 498 Layout layout = getLayout(); 499 500 TextPaint paint = getPaint(); 501 float defaultSize = paint.getTextSize(); 502 int defaultColor = paint.getColor(); 503 504 Bitmap tmpBitmap; 505 if (pressed) { 506 tmpBitmap = createSelectedChip(contact, paint, layout); 507 508 } else { 509 tmpBitmap = createUnselectedChip(contact, paint, layout); 510 } 511 512 // Pass the full text, un-ellipsized, to the chip. 513 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 514 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 515 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 516 // Return text to the original size. 517 paint.setTextSize(defaultSize); 518 paint.setColor(defaultColor); 519 return recipientChip; 520 } 521 522 /** 523 * Calculate the bottom of the line the chip will be located on using: 524 * 1) which line the chip appears on 525 * 2) the height of a chip 526 * 3) padding built into the edit text view 527 */ 528 private int calculateOffsetFromBottom(int line) { 529 // Line offsets start at zero. 530 int actualLine = getLineCount() - (line + 1); 531 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 532 + getDropDownVerticalOffset(); 533 } 534 535 /** 536 * Get the max amount of space a chip can take up. The formula takes into 537 * account the width of the EditTextView, any view padding, and padding 538 * that will be added to the chip. 539 */ 540 private float calculateAvailableWidth(boolean pressed) { 541 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 542 } 543 544 /** 545 * Set all chip dimensions and resources. This has to be done from the 546 * application as this is a static library. 547 * @param chipBackground 548 * @param chipBackgroundPressed 549 * @param invalidChip 550 * @param chipDelete 551 * @param defaultContact 552 * @param moreResource 553 * @param alternatesLayout 554 * @param chipHeight 555 * @param padding Padding around the text in a chip 556 * @param chipFontSize 557 * @param copyViewRes 558 */ 559 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 560 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 561 int alternatesLayout, float chipHeight, float padding, 562 float chipFontSize, int copyViewRes) { 563 mChipBackground = chipBackground; 564 mChipBackgroundPressed = chipBackgroundPressed; 565 mChipDelete = chipDelete; 566 mChipPadding = (int) padding; 567 mAlternatesLayout = alternatesLayout; 568 mDefaultContactPhoto = defaultContact; 569 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 570 mChipHeight = chipHeight; 571 mChipFontSize = chipFontSize; 572 mInvalidChipBackground = invalidChip; 573 mCopyViewRes = copyViewRes; 574 } 575 576 /** 577 * Set whether to shrink the recipients field such that at most 578 * one line of recipients chips are shown when the field loses 579 * focus. By default, the number of displayed recipients will be 580 * limited and a "more" chip will be shown when focus is lost. 581 * @param shrink 582 */ 583 public void setOnFocusListShrinkRecipients(boolean shrink) { 584 mShouldShrink = shrink; 585 } 586 587 @Override 588 public void onSizeChanged(int width, int height, int oldw, int oldh) { 589 super.onSizeChanged(width, height, oldw, oldh); 590 if (width != 0 && height != 0 && mPendingChipsCount > 0) { 591 postHandlePendingChips(); 592 } 593 // Try to find the scroll view parent, if it exists. 594 if (mScrollView == null && !mTried) { 595 ViewParent parent = getParent(); 596 while (parent != null && !(parent instanceof ScrollView)) { 597 parent = parent.getParent(); 598 } 599 if (parent != null) { 600 mScrollView = (ScrollView) parent; 601 } 602 mTried = true; 603 } 604 } 605 606 private void postHandlePendingChips() { 607 mHandler.removeCallbacks(mHandlePendingChips); 608 mHandler.post(mHandlePendingChips); 609 } 610 611 private void handlePendingChips() { 612 if (mPendingChipsCount <= 0) { 613 return; 614 } 615 if (getWidth() <= 0) { 616 // The widget has not been sized yet. 617 // This will be called as a result of onSizeChanged 618 // at a later point. 619 return; 620 } 621 synchronized (mPendingChips) { 622 Editable editable = getText(); 623 // Tokenize! 624 for (int i = 0; i < mPendingChips.size(); i++) { 625 String current = mPendingChips.get(i); 626 int tokenStart = editable.toString().indexOf(current); 627 int tokenEnd = tokenStart + current.length(); 628 if (tokenStart >= 0) { 629 // When we have a valid token, include it with the token 630 // to the left. 631 if (tokenEnd < editable.length() - 2 632 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 633 tokenEnd++; 634 } 635 createReplacementChip(tokenStart, tokenEnd, editable); 636 } 637 mPendingChipsCount--; 638 } 639 sanitizeSpannable(); 640 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 641 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 642 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 643 new RecipientReplacementTask().execute(); 644 mTemporaryRecipients = null; 645 } else { 646 // Create the "more" chip 647 mIndividualReplacements = new IndividualReplacementTask(); 648 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 649 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 650 651 createMoreChip(); 652 } 653 } else { 654 // There are too many recipients to look up, so just fall back 655 // to showing addresses for all of them. 656 mTemporaryRecipients = null; 657 createMoreChip(); 658 } 659 mPendingChipsCount = 0; 660 mPendingChips.clear(); 661 } 662 } 663 664 /** 665 * Remove any characters after the last valid chip. 666 */ 667 private void sanitizeSpannable() { 668 // Find the last chip; eliminate any commit characters after it. 669 RecipientChip[] chips = getRecipients(); 670 if (chips != null && chips.length > 0) { 671 int end; 672 ImageSpan lastSpan; 673 mMoreChip = getMoreChip(); 674 if (mMoreChip != null) { 675 lastSpan = mMoreChip; 676 } else { 677 lastSpan = chips[chips.length - 1]; 678 } 679 end = getSpannable().getSpanEnd(lastSpan); 680 Editable editable = getText(); 681 int length = editable.length(); 682 if (length > end) { 683 // See what characters occur after that and eliminate them. 684 if (Log.isLoggable(TAG, Log.DEBUG)) { 685 Log.d(TAG, "There were extra characters after the last tokenizable entry." 686 + editable); 687 } 688 editable.delete(end + 1, length); 689 } 690 } 691 } 692 693 /** 694 * Create a chip that represents just the email address of a recipient. At some later 695 * point, this chip will be attached to a real contact entry, if one exists. 696 */ 697 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 698 if (alreadyHasChip(tokenStart, tokenEnd)) { 699 // There is already a chip present at this location. 700 // Don't recreate it. 701 return; 702 } 703 String token = editable.toString().substring(tokenStart, tokenEnd); 704 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 705 if (commitCharIndex == token.length() - 1) { 706 token = token.substring(0, token.length() - 1); 707 } 708 RecipientEntry entry = createTokenizedEntry(token); 709 if (entry != null) { 710 String destText = createDisplayText(entry); 711 // Always leave a blank space at the end of a chip. 712 int textLength = destText.length() - 1; 713 SpannableString chipText = new SpannableString(destText); 714 int end = getSelectionEnd(); 715 int start = mTokenizer.findTokenStart(getText(), end); 716 RecipientChip chip = null; 717 try { 718 chip = constructChipSpan(entry, start, false); 719 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 720 } catch (NullPointerException e) { 721 Log.e(TAG, e.getMessage(), e); 722 } 723 editable.replace(tokenStart, tokenEnd, chipText); 724 // Add this chip to the list of entries "to replace" 725 if (chip != null) { 726 if (mTemporaryRecipients == null) { 727 mTemporaryRecipients = new ArrayList<RecipientChip>(); 728 } 729 chip.setOriginalText(chipText.toString()); 730 mTemporaryRecipients.add(chip); 731 } 732 } 733 } 734 735 private RecipientEntry createTokenizedEntry(String token) { 736 if (TextUtils.isEmpty(token)) { 737 return null; 738 } 739 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 740 String display = null; 741 if (isValid(token) && tokens != null && tokens.length > 0) { 742 // If we can get a name from tokenizing, then generate an entry from 743 // this. 744 display = tokens[0].getName(); 745 if (!TextUtils.isEmpty(display)) { 746 return RecipientEntry.constructGeneratedEntry(display, token); 747 } else { 748 display = tokens[0].getAddress(); 749 if (!TextUtils.isEmpty(display)) { 750 return RecipientEntry.constructFakeEntry(display); 751 } 752 } 753 } 754 // Unable to validate the token or to create a valid token from it. 755 // Just create a chip the user can edit. 756 String validatedToken = null; 757 if (mValidator != null && !mValidator.isValid(token)) { 758 // Try fixing up the entry using the validator. 759 validatedToken = mValidator.fixText(token).toString(); 760 if (!TextUtils.isEmpty(validatedToken)) { 761 if (validatedToken.contains(token)) { 762 // protect against the case of a validator with a null domain, 763 // which doesn't add a domain to the token 764 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 765 if (tokenized.length > 0) { 766 validatedToken = tokenized[0].getAddress(); 767 } 768 } else { 769 // We ran into a case where the token was invalid and removed 770 // by the validator. In this case, just use the original token 771 // and let the user sort out the error chip. 772 validatedToken = null; 773 } 774 } 775 } 776 // Otherwise, fallback to just creating an editable email address chip. 777 return RecipientEntry 778 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 779 } 780 781 private boolean isValid(String text) { 782 return mValidator == null ? true : mValidator.isValid(text); 783 } 784 785 private String tokenizeAddress(String destination) { 786 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 787 if (tokens != null && tokens.length > 0) { 788 return tokens[0].getAddress(); 789 } 790 return destination; 791 } 792 793 @Override 794 public void setTokenizer(Tokenizer tokenizer) { 795 mTokenizer = tokenizer; 796 super.setTokenizer(mTokenizer); 797 } 798 799 @Override 800 public void setValidator(Validator validator) { 801 mValidator = validator; 802 super.setValidator(validator); 803 } 804 805 /** 806 * We cannot use the default mechanism for replaceText. Instead, 807 * we override onItemClickListener so we can get all the associated 808 * contact information including display text, address, and id. 809 */ 810 @Override 811 protected void replaceText(CharSequence text) { 812 return; 813 } 814 815 /** 816 * Dismiss any selected chips when the back key is pressed. 817 */ 818 @Override 819 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 820 if (keyCode == KeyEvent.KEYCODE_BACK) { 821 clearSelectedChip(); 822 } 823 return super.onKeyPreIme(keyCode, event); 824 } 825 826 /** 827 * Monitor key presses in this view to see if the user types 828 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 829 * If the user has entered text that has contact matches and types 830 * a commit key, create a chip from the topmost matching contact. 831 * If the user has entered text that has no contact matches and types 832 * a commit key, then create a chip from the text they have entered. 833 */ 834 @Override 835 public boolean onKeyUp(int keyCode, KeyEvent event) { 836 switch (keyCode) { 837 case KeyEvent.KEYCODE_ENTER: 838 case KeyEvent.KEYCODE_DPAD_CENTER: 839 if (event.hasNoModifiers()) { 840 if (commitDefault()) { 841 return true; 842 } 843 if (mSelectedChip != null) { 844 clearSelectedChip(); 845 return true; 846 } else if (focusNext()) { 847 return true; 848 } 849 } 850 break; 851 case KeyEvent.KEYCODE_TAB: 852 if (event.hasNoModifiers()) { 853 if (mSelectedChip != null) { 854 clearSelectedChip(); 855 } else { 856 commitDefault(); 857 } 858 if (focusNext()) { 859 return true; 860 } 861 } 862 } 863 return super.onKeyUp(keyCode, event); 864 } 865 866 private boolean focusNext() { 867 View next = focusSearch(View.FOCUS_DOWN); 868 if (next != null) { 869 next.requestFocus(); 870 return true; 871 } 872 return false; 873 } 874 875 /** 876 * Create a chip from the default selection. If the popup is showing, the 877 * default is the first item in the popup suggestions list. Otherwise, it is 878 * whatever the user had typed in. End represents where the the tokenizer 879 * should search for a token to turn into a chip. 880 * @return If a chip was created from a real contact. 881 */ 882 private boolean commitDefault() { 883 Editable editable = getText(); 884 int end = getSelectionEnd(); 885 int start = mTokenizer.findTokenStart(editable, end); 886 887 if (shouldCreateChip(start, end)) { 888 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 889 // In the middle of chip; treat this as an edit 890 // and commit the whole token. 891 if (whatEnd != getSelectionEnd()) { 892 handleEdit(start, whatEnd); 893 return true; 894 } 895 return commitChip(start, end , editable); 896 } 897 return false; 898 } 899 900 private void commitByCharacter() { 901 Editable editable = getText(); 902 int end = getSelectionEnd(); 903 int start = mTokenizer.findTokenStart(editable, end); 904 if (shouldCreateChip(start, end)) { 905 commitChip(start, end, editable); 906 } 907 setSelection(getText().length()); 908 } 909 910 private boolean commitChip(int start, int end, Editable editable) { 911 if (getAdapter().getCount() > 0 && enoughToFilter()) { 912 // choose the first entry. 913 submitItemAtPosition(0); 914 dismissDropDown(); 915 return true; 916 } else { 917 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 918 String text = editable.toString().substring(start, tokenEnd).trim(); 919 clearComposingText(); 920 if (text != null && text.length() > 0 && !text.equals(" ")) { 921 RecipientEntry entry = createTokenizedEntry(text); 922 if (entry != null) { 923 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 924 CharSequence chipText = createChip(entry, false); 925 if (chipText != null) { 926 editable.replace(start, end, chipText); 927 } 928 } 929 dismissDropDown(); 930 sanitizeBetween(); 931 return true; 932 } 933 } 934 return false; 935 } 936 937 private void sanitizeBetween() { 938 // Find the last chip. 939 RecipientChip[] recips = this.getSortedRecipients(); 940 if (recips != null && recips.length > 0) { 941 RecipientChip last = recips[recips.length - 1]; 942 RecipientChip beforeLast = null; 943 if (recips.length > 1) { 944 beforeLast = recips[recips.length - 2]; 945 } 946 int startLooking = 0; 947 int end = getSpannable().getSpanStart(last); 948 if (beforeLast != null) { 949 startLooking = getSpannable().getSpanEnd(beforeLast); 950 Editable text = getText(); 951 if (startLooking > text.length() - 1) { 952 // There is nothing after this chip. 953 return; 954 } 955 if (text.charAt(startLooking) == ' ') { 956 startLooking++; 957 } 958 } 959 if (startLooking != end) { 960 getText().delete(startLooking, end); 961 } 962 } 963 } 964 965 private boolean shouldCreateChip(int start, int end) { 966 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 967 } 968 969 private boolean alreadyHasChip(int start, int end) { 970 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 971 if ((chips == null || chips.length == 0)) { 972 return false; 973 } 974 return true; 975 } 976 977 private void handleEdit(int start, int end) { 978 if (start == -1 || end == -1) { 979 // This chip no longer exists in the field. 980 dismissDropDown(); 981 return; 982 } 983 // This is in the middle of a chip, so select out the whole chip 984 // and commit it. 985 Editable editable = getText(); 986 setSelection(end); 987 String text = getText().toString().substring(start, end); 988 if (!TextUtils.isEmpty(text)) { 989 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 990 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 991 CharSequence chipText = createChip(entry, false); 992 editable.replace(start, getSelectionEnd(), chipText); 993 } 994 dismissDropDown(); 995 } 996 997 /** 998 * If there is a selected chip, delegate the key events 999 * to the selected chip. 1000 */ 1001 @Override 1002 public boolean onKeyDown(int keyCode, KeyEvent event) { 1003 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1004 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1005 mAlternatesPopup.dismiss(); 1006 } 1007 removeChip(mSelectedChip); 1008 } 1009 1010 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1011 return true; 1012 } 1013 1014 return super.onKeyDown(keyCode, event); 1015 } 1016 1017 private Spannable getSpannable() { 1018 return getText(); 1019 } 1020 1021 private int getChipStart(RecipientChip chip) { 1022 return getSpannable().getSpanStart(chip); 1023 } 1024 1025 private int getChipEnd(RecipientChip chip) { 1026 return getSpannable().getSpanEnd(chip); 1027 } 1028 1029 /** 1030 * Instead of filtering on the entire contents of the edit box, 1031 * this subclass method filters on the range from 1032 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1033 * if the length of that range meets or exceeds {@link #getThreshold} 1034 * and makes sure that the range is not already a Chip. 1035 */ 1036 @Override 1037 protected void performFiltering(CharSequence text, int keyCode) { 1038 if (enoughToFilter()) { 1039 int end = getSelectionEnd(); 1040 int start = mTokenizer.findTokenStart(text, end); 1041 // If this is a RecipientChip, don't filter 1042 // on its contents. 1043 Spannable span = getSpannable(); 1044 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1045 if (chips != null && chips.length > 0) { 1046 return; 1047 } 1048 } 1049 super.performFiltering(text, keyCode); 1050 } 1051 1052 private void clearSelectedChip() { 1053 if (mSelectedChip != null) { 1054 unselectChip(mSelectedChip); 1055 mSelectedChip = null; 1056 } 1057 setCursorVisible(true); 1058 } 1059 1060 /** 1061 * Monitor touch events in the RecipientEditTextView. 1062 * If the view does not have focus, any tap on the view 1063 * will just focus the view. If the view has focus, determine 1064 * if the touch target is a recipient chip. If it is and the chip 1065 * is not selected, select it and clear any other selected chips. 1066 * If it isn't, then select that chip. 1067 */ 1068 @Override 1069 public boolean onTouchEvent(MotionEvent event) { 1070 if (!isFocused()) { 1071 // Ignore any chip taps until this view is focused. 1072 return super.onTouchEvent(event); 1073 } 1074 boolean handled = super.onTouchEvent(event); 1075 int action = event.getAction(); 1076 boolean chipWasSelected = false; 1077 if (mSelectedChip == null) { 1078 mGestureDetector.onTouchEvent(event); 1079 } 1080 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1081 float x = event.getX(); 1082 float y = event.getY(); 1083 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1084 RecipientChip currentChip = findChip(offset); 1085 if (currentChip != null) { 1086 if (action == MotionEvent.ACTION_UP) { 1087 if (mSelectedChip != null && mSelectedChip != currentChip) { 1088 clearSelectedChip(); 1089 mSelectedChip = selectChip(currentChip); 1090 } else if (mSelectedChip == null) { 1091 setSelection(getText().length()); 1092 commitDefault(); 1093 mSelectedChip = selectChip(currentChip); 1094 } else { 1095 onClick(mSelectedChip, offset, x, y); 1096 } 1097 } 1098 chipWasSelected = true; 1099 handled = true; 1100 } else if (mSelectedChip != null 1101 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1102 chipWasSelected = true; 1103 } 1104 } 1105 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1106 clearSelectedChip(); 1107 } 1108 return handled; 1109 } 1110 1111 private void scrollLineIntoView(int line) { 1112 if (mScrollView != null) { 1113 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1114 } 1115 } 1116 1117 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1118 int width, Context context) { 1119 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1120 int bottom = calculateOffsetFromBottom(line); 1121 // Align the alternates popup with the left side of the View, 1122 // regardless of the position of the chip tapped. 1123 alternatesPopup.setWidth(width); 1124 setEnabled(false); 1125 alternatesPopup.setAnchorView(this); 1126 alternatesPopup.setVerticalOffset(bottom); 1127 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1128 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1129 // Clear the checked item. 1130 mCheckedItem = -1; 1131 alternatesPopup.show(); 1132 ListView listView = alternatesPopup.getListView(); 1133 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1134 // Checked item would be -1 if the adapter has not 1135 // loaded the view that should be checked yet. The 1136 // variable will be set correctly when onCheckedItemChanged 1137 // is called in a separate thread. 1138 if (mCheckedItem != -1) { 1139 listView.setItemChecked(mCheckedItem, true); 1140 mCheckedItem = -1; 1141 } 1142 } 1143 1144 // Dismiss listener for alterns and single address popup. 1145 @Override 1146 public void onDismiss() { 1147 setEnabled(true); 1148 } 1149 1150 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1151 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1152 mAlternatesLayout, this); 1153 } 1154 1155 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1156 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1157 .getEntry()); 1158 } 1159 1160 @Override 1161 public void onCheckedItemChanged(int position) { 1162 ListView listView = mAlternatesPopup.getListView(); 1163 if (listView != null && listView.getCheckedItemCount() == 0) { 1164 listView.setItemChecked(position, true); 1165 } 1166 mCheckedItem = position; 1167 } 1168 1169 // TODO: This algorithm will need a lot of tweaking after more people have used 1170 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1171 // what comes before the finger. 1172 private int putOffsetInRange(int o) { 1173 int offset = o; 1174 Editable text = getText(); 1175 int length = text.length(); 1176 // Remove whitespace from end to find "real end" 1177 int realLength = length; 1178 for (int i = length - 1; i >= 0; i--) { 1179 if (text.charAt(i) == ' ') { 1180 realLength--; 1181 } else { 1182 break; 1183 } 1184 } 1185 1186 // If the offset is beyond or at the end of the text, 1187 // leave it alone. 1188 if (offset >= realLength) { 1189 return offset; 1190 } 1191 Editable editable = getText(); 1192 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1193 // Keep walking backward! 1194 offset--; 1195 } 1196 return offset; 1197 } 1198 1199 private int findText(Editable text, int offset) { 1200 if (text.charAt(offset) != ' ') { 1201 return offset; 1202 } 1203 return -1; 1204 } 1205 1206 private RecipientChip findChip(int offset) { 1207 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1208 // Find the chip that contains this offset. 1209 for (int i = 0; i < chips.length; i++) { 1210 RecipientChip chip = chips[i]; 1211 int start = getChipStart(chip); 1212 int end = getChipEnd(chip); 1213 if (offset >= start && offset <= end) { 1214 return chip; 1215 } 1216 } 1217 return null; 1218 } 1219 1220 private String createDisplayText(RecipientEntry entry) { 1221 String display = entry.getDisplayName(); 1222 String address = entry.getDestination(); 1223 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1224 display = null; 1225 } 1226 if (address != null) { 1227 // Tokenize out the address in case the address already 1228 // contained the username as well. 1229 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1230 if (tokenized != null && tokenized.length > 0) { 1231 address = tokenized[0].getAddress(); 1232 } 1233 } 1234 Rfc822Token token = new Rfc822Token(display, address, null); 1235 String displayText = token.toString(); 1236 String trimmedDisplayText = displayText.trim(); 1237 int index = trimmedDisplayText.indexOf(","); 1238 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1239 .terminateToken(displayText) : displayText; 1240 } 1241 1242 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1243 String displayText = createDisplayText(entry); 1244 // Always leave a blank space at the end of a chip. 1245 int textLength = displayText.length()-1; 1246 SpannableString chipText = new SpannableString(displayText); 1247 int end = getSelectionEnd(); 1248 int start = mTokenizer.findTokenStart(getText(), end); 1249 try { 1250 RecipientChip chip = constructChipSpan(entry, start, pressed); 1251 chipText.setSpan(chip, 0, textLength, 1252 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1253 chip.setOriginalText(chipText.toString()); 1254 } catch (NullPointerException e) { 1255 Log.e(TAG, e.getMessage(), e); 1256 return null; 1257 } 1258 1259 return chipText; 1260 } 1261 1262 /** 1263 * When an item in the suggestions list has been clicked, create a chip from the 1264 * contact information of the selected item. 1265 */ 1266 @Override 1267 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1268 submitItemAtPosition(position); 1269 } 1270 1271 private void submitItemAtPosition(int position) { 1272 RecipientEntry entry = createValidatedEntry( 1273 (RecipientEntry)getAdapter().getItem(position)); 1274 if (entry == null) { 1275 return; 1276 } 1277 clearComposingText(); 1278 1279 int end = getSelectionEnd(); 1280 int start = mTokenizer.findTokenStart(getText(), end); 1281 1282 Editable editable = getText(); 1283 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1284 CharSequence chip = createChip(entry, false); 1285 if (chip != null) { 1286 editable.replace(start, end, chip); 1287 } 1288 sanitizeBetween(); 1289 } 1290 1291 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1292 if (item == null) { 1293 return null; 1294 } 1295 final RecipientEntry entry; 1296 // If the display name and the address are the same, or if this is a 1297 // valid contact, but the destination is invalid, then make this a fake 1298 // recipient that is editable. 1299 String destination = item.getDestination(); 1300 if (TextUtils.isEmpty(item.getDisplayName()) 1301 || TextUtils.equals(item.getDisplayName(), destination) 1302 || (mValidator != null && !mValidator.isValid(destination))) { 1303 entry = RecipientEntry.constructFakeEntry(destination); 1304 } else { 1305 entry = item; 1306 } 1307 return entry; 1308 } 1309 1310 /** Returns a collection of contact Id for each chip inside this View. */ 1311 /* package */ Collection<Long> getContactIds() { 1312 final Set<Long> result = new HashSet<Long>(); 1313 RecipientChip[] chips = getRecipients(); 1314 if (chips != null) { 1315 for (RecipientChip chip : chips) { 1316 result.add(chip.getContactId()); 1317 } 1318 } 1319 return result; 1320 } 1321 1322 private RecipientChip[] getRecipients() { 1323 return getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1324 } 1325 1326 private RecipientChip[] getSortedRecipients() { 1327 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1328 .asList(getRecipients())); 1329 final Spannable spannable = getSpannable(); 1330 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1331 1332 @Override 1333 public int compare(RecipientChip first, RecipientChip second) { 1334 int firstStart = spannable.getSpanStart(first); 1335 int secondStart = spannable.getSpanStart(second); 1336 if (firstStart < secondStart) { 1337 return -1; 1338 } else if (firstStart > secondStart) { 1339 return 1; 1340 } else { 1341 return 0; 1342 } 1343 } 1344 }); 1345 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1346 } 1347 1348 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1349 /* package */ Collection<Long> getDataIds() { 1350 final Set<Long> result = new HashSet<Long>(); 1351 RecipientChip [] chips = getRecipients(); 1352 if (chips != null) { 1353 for (RecipientChip chip : chips) { 1354 result.add(chip.getDataId()); 1355 } 1356 } 1357 return result; 1358 } 1359 1360 1361 @Override 1362 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1363 return false; 1364 } 1365 1366 @Override 1367 public void onDestroyActionMode(ActionMode mode) { 1368 } 1369 1370 @Override 1371 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1372 return false; 1373 } 1374 1375 /** 1376 * No chips are selectable. 1377 */ 1378 @Override 1379 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1380 return false; 1381 } 1382 1383 1384 private ImageSpan getMoreChip() { 1385 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1386 MoreImageSpan.class); 1387 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1388 } 1389 1390 /** 1391 * Create the more chip. The more chip is text that replaces any chips that 1392 * do not fit in the pre-defined available space when the 1393 * RecipientEditTextView loses focus. 1394 */ 1395 private void createMoreChip() { 1396 if (!mShouldShrink) { 1397 return; 1398 } 1399 1400 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1401 if (tempMore.length > 0) { 1402 getSpannable().removeSpan(tempMore[0]); 1403 } 1404 RecipientChip[] recipients = getSortedRecipients(); 1405 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1406 mMoreChip = null; 1407 return; 1408 } 1409 Spannable spannable = getSpannable(); 1410 int numRecipients = recipients.length; 1411 int overage = numRecipients - CHIP_LIMIT; 1412 String moreText = String.format(mMoreItem.getText().toString(), overage); 1413 TextPaint morePaint = new TextPaint(getPaint()); 1414 morePaint.setTextSize(mMoreItem.getTextSize()); 1415 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1416 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1417 + mMoreItem.getPaddingRight(); 1418 int height = getLineHeight(); 1419 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1420 Canvas canvas = new Canvas(drawable); 1421 int adjustedHeight = height; 1422 Layout layout = getLayout(); 1423 if (layout != null) { 1424 adjustedHeight -= layout.getLineDescent(0); 1425 } 1426 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1427 1428 Drawable result = new BitmapDrawable(getResources(), drawable); 1429 result.setBounds(0, 0, width, height); 1430 MoreImageSpan moreSpan = new MoreImageSpan(result); 1431 // Remove the overage chips. 1432 if (recipients == null || recipients.length == 0) { 1433 Log.w(TAG, 1434 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1435 mMoreChip = null; 1436 return; 1437 } 1438 mRemovedSpans = new ArrayList<RecipientChip>(); 1439 int totalReplaceStart = 0; 1440 int totalReplaceEnd = 0; 1441 Editable text = getText(); 1442 for (int i = numRecipients - overage; i < recipients.length; i++) { 1443 mRemovedSpans.add(recipients[i]); 1444 if (i == numRecipients - overage) { 1445 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1446 } 1447 if (i == recipients.length - 1) { 1448 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1449 } 1450 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1451 int spanStart = spannable.getSpanStart(recipients[i]); 1452 int spanEnd = spannable.getSpanEnd(recipients[i]); 1453 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1454 } 1455 spannable.removeSpan(recipients[i]); 1456 } 1457 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1458 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1459 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1460 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1461 text.replace(start, end, chipText); 1462 mMoreChip = moreSpan; 1463 } 1464 1465 /** 1466 * Replace the more chip, if it exists, with all of the recipient chips it had 1467 * replaced when the RecipientEditTextView gains focus. 1468 */ 1469 private void removeMoreChip() { 1470 if (mMoreChip != null) { 1471 Spannable span = getSpannable(); 1472 span.removeSpan(mMoreChip); 1473 mMoreChip = null; 1474 // Re-add the spans that were removed. 1475 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1476 // Recreate each removed span. 1477 RecipientChip[] recipients = getSortedRecipients(); 1478 // Start the search for tokens after the last currently visible 1479 // chip. 1480 if (recipients == null || recipients.length == 0) { 1481 return; 1482 } 1483 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1484 Editable editable = getText(); 1485 for (RecipientChip chip : mRemovedSpans) { 1486 int chipStart; 1487 int chipEnd; 1488 String token; 1489 // Need to find the location of the chip, again. 1490 token = (String) chip.getOriginalText(); 1491 // As we find the matching recipient for the remove spans, 1492 // reduce the size of the string we need to search. 1493 // That way, if there are duplicates, we always find the correct 1494 // recipient. 1495 chipStart = editable.toString().indexOf(token, end); 1496 // -1 for the space! 1497 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1498 // Only set the span if we found a matching token. 1499 if (chipStart != -1) { 1500 editable.setSpan(chip, chipStart, chipEnd, 1501 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1502 } 1503 } 1504 mRemovedSpans.clear(); 1505 } 1506 } 1507 } 1508 1509 /** 1510 * Show specified chip as selected. If the RecipientChip is just an email address, 1511 * selecting the chip will take the contents of the chip and place it at 1512 * the end of the RecipientEditTextView for inline editing. If the 1513 * RecipientChip is a complete contact, then selecting the chip 1514 * will change the background color of the chip, show the delete icon, 1515 * and a popup window with the address in use highlighted and any other 1516 * alternate addresses for the contact. 1517 * @param currentChip Chip to select. 1518 * @return A RecipientChip in the selected state or null if the chip 1519 * just contained an email address. 1520 */ 1521 public RecipientChip selectChip(RecipientChip currentChip) { 1522 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1523 CharSequence text = currentChip.getValue(); 1524 Editable editable = getText(); 1525 removeChip(currentChip); 1526 editable.append(text); 1527 setCursorVisible(true); 1528 setSelection(editable.length()); 1529 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1530 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1531 int start = getChipStart(currentChip); 1532 int end = getChipEnd(currentChip); 1533 getSpannable().removeSpan(currentChip); 1534 RecipientChip newChip; 1535 try { 1536 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1537 } catch (NullPointerException e) { 1538 Log.e(TAG, e.getMessage(), e); 1539 return null; 1540 } 1541 Editable editable = getText(); 1542 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1543 if (start == -1 || end == -1) { 1544 Log.d(TAG, "The chip being selected no longer exists but should."); 1545 } else { 1546 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1547 } 1548 newChip.setSelected(true); 1549 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1550 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1551 } 1552 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1553 setCursorVisible(false); 1554 return newChip; 1555 } else { 1556 int start = getChipStart(currentChip); 1557 int end = getChipEnd(currentChip); 1558 getSpannable().removeSpan(currentChip); 1559 RecipientChip newChip; 1560 try { 1561 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1562 } catch (NullPointerException e) { 1563 Log.e(TAG, e.getMessage(), e); 1564 return null; 1565 } 1566 Editable editable = getText(); 1567 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1568 if (start == -1 || end == -1) { 1569 Log.d(TAG, "The chip being selected no longer exists but should."); 1570 } else { 1571 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1572 } 1573 newChip.setSelected(true); 1574 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1575 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1576 } 1577 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1578 setCursorVisible(false); 1579 return newChip; 1580 } 1581 } 1582 1583 1584 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1585 int width, Context context) { 1586 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1587 int bottom = calculateOffsetFromBottom(line); 1588 // Align the alternates popup with the left side of the View, 1589 // regardless of the position of the chip tapped. 1590 setEnabled(false); 1591 popup.setWidth(width); 1592 popup.setAnchorView(this); 1593 popup.setVerticalOffset(bottom); 1594 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1595 popup.setOnItemClickListener(new OnItemClickListener() { 1596 @Override 1597 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1598 unselectChip(currentChip); 1599 popup.dismiss(); 1600 } 1601 }); 1602 popup.show(); 1603 ListView listView = popup.getListView(); 1604 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1605 listView.setItemChecked(0, true); 1606 } 1607 1608 /** 1609 * Remove selection from this chip. Unselecting a RecipientChip will render 1610 * the chip without a delete icon and with an unfocused background. This 1611 * is called when the RecipientChip no longer has focus. 1612 */ 1613 public void unselectChip(RecipientChip chip) { 1614 int start = getChipStart(chip); 1615 int end = getChipEnd(chip); 1616 Editable editable = getText(); 1617 mSelectedChip = null; 1618 if (start == -1 || end == -1) { 1619 Log.w(TAG, 1620 "The chip doesn't exist or may be a chip a user was editing"); 1621 setSelection(editable.length()); 1622 commitDefault(); 1623 } else { 1624 getSpannable().removeSpan(chip); 1625 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1626 editable.removeSpan(chip); 1627 try { 1628 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1629 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1630 } catch (NullPointerException e) { 1631 Log.e(TAG, e.getMessage(), e); 1632 } 1633 } 1634 setCursorVisible(true); 1635 setSelection(editable.length()); 1636 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1637 mAlternatesPopup.dismiss(); 1638 } 1639 } 1640 1641 /** 1642 * Return whether this chip contains the position passed in. 1643 */ 1644 public boolean matchesChip(RecipientChip chip, int offset) { 1645 int start = getChipStart(chip); 1646 int end = getChipEnd(chip); 1647 if (start == -1 || end == -1) { 1648 return false; 1649 } 1650 return (offset >= start && offset <= end); 1651 } 1652 1653 1654 /** 1655 * Return whether a touch event was inside the delete target of 1656 * a selected chip. It is in the delete target if: 1657 * 1) the x and y points of the event are within the 1658 * delete assset. 1659 * 2) the point tapped would have caused a cursor to appear 1660 * right after the selected chip. 1661 * @return boolean 1662 */ 1663 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1664 // Figure out the bounds of this chip and whether or not 1665 // the user clicked in the X portion. 1666 return chip.isSelected() && offset == getChipEnd(chip); 1667 } 1668 1669 /** 1670 * Remove the chip and any text associated with it from the RecipientEditTextView. 1671 */ 1672 private void removeChip(RecipientChip chip) { 1673 Spannable spannable = getSpannable(); 1674 int spanStart = spannable.getSpanStart(chip); 1675 int spanEnd = spannable.getSpanEnd(chip); 1676 Editable text = getText(); 1677 int toDelete = spanEnd; 1678 boolean wasSelected = chip == mSelectedChip; 1679 // Clear that there is a selected chip before updating any text. 1680 if (wasSelected) { 1681 mSelectedChip = null; 1682 } 1683 // Always remove trailing spaces when removing a chip. 1684 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1685 toDelete++; 1686 } 1687 spannable.removeSpan(chip); 1688 text.delete(spanStart, toDelete); 1689 if (wasSelected) { 1690 clearSelectedChip(); 1691 } 1692 } 1693 1694 /** 1695 * Replace this currently selected chip with a new chip 1696 * that uses the contact data provided. 1697 */ 1698 public void replaceChip(RecipientChip chip, RecipientEntry entry) { 1699 boolean wasSelected = chip == mSelectedChip; 1700 if (wasSelected) { 1701 mSelectedChip = null; 1702 } 1703 int start = getChipStart(chip); 1704 int end = getChipEnd(chip); 1705 getSpannable().removeSpan(chip); 1706 Editable editable = getText(); 1707 CharSequence chipText = createChip(entry, false); 1708 if (start == -1 || end == -1) { 1709 Log.e(TAG, "The chip to replace does not exist but should."); 1710 editable.insert(0, chipText); 1711 } else { 1712 // There may be a space to replace with this chip's new associated 1713 // space. Check for it. 1714 int toReplace = end; 1715 while (toReplace >= 0 && toReplace < editable.length() 1716 && editable.charAt(toReplace) == ' ') { 1717 toReplace++; 1718 } 1719 editable.replace(start, toReplace, chipText); 1720 } 1721 setCursorVisible(true); 1722 if (wasSelected) { 1723 clearSelectedChip(); 1724 } 1725 } 1726 1727 /** 1728 * Handle click events for a chip. When a selected chip receives a click 1729 * event, see if that event was in the delete icon. If so, delete it. 1730 * Otherwise, unselect the chip. 1731 */ 1732 public void onClick(RecipientChip chip, int offset, float x, float y) { 1733 if (chip.isSelected()) { 1734 if (isInDelete(chip, offset, x, y)) { 1735 removeChip(chip); 1736 } else { 1737 clearSelectedChip(); 1738 } 1739 } 1740 } 1741 1742 private boolean chipsPending() { 1743 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1744 } 1745 1746 @Override 1747 public void removeTextChangedListener(TextWatcher watcher) { 1748 mTextWatcher = null; 1749 super.removeTextChangedListener(watcher); 1750 } 1751 1752 private class RecipientTextWatcher implements TextWatcher { 1753 @Override 1754 public void afterTextChanged(Editable s) { 1755 // If the text has been set to null or empty, make sure we remove 1756 // all the spans we applied. 1757 if (TextUtils.isEmpty(s)) { 1758 // Remove all the chips spans. 1759 Spannable spannable = getSpannable(); 1760 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1761 RecipientChip.class); 1762 for (RecipientChip chip : chips) { 1763 spannable.removeSpan(chip); 1764 } 1765 if (mMoreChip != null) { 1766 spannable.removeSpan(mMoreChip); 1767 } 1768 return; 1769 } 1770 // Get whether there are any recipients pending addition to the 1771 // view. If there are, don't do anything in the text watcher. 1772 if (chipsPending()) { 1773 return; 1774 } 1775 // If the user is editing a chip, don't clear it. 1776 if (mSelectedChip != null 1777 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1778 setCursorVisible(true); 1779 setSelection(getText().length()); 1780 clearSelectedChip(); 1781 } 1782 int length = s.length(); 1783 // Make sure there is content there to parse and that it is 1784 // not just the commit character. 1785 if (length > 1) { 1786 char last; 1787 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1788 int len = length() - 1; 1789 if (end != len) { 1790 last = s.charAt(end); 1791 } else { 1792 last = s.charAt(len); 1793 } 1794 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1795 commitByCharacter(); 1796 } else if (last == COMMIT_CHAR_SPACE) { 1797 // Check if this is a valid email address. If it is, 1798 // commit it. 1799 String text = getText().toString(); 1800 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1801 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1802 tokenStart)); 1803 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1804 commitByCharacter(); 1805 } 1806 } 1807 } 1808 } 1809 1810 @Override 1811 public void onTextChanged(CharSequence s, int start, int before, int count) { 1812 // Do nothing. 1813 } 1814 1815 @Override 1816 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1817 // Do nothing. 1818 } 1819 } 1820 1821 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 1822 private RecipientChip createFreeChip(RecipientEntry entry) { 1823 try { 1824 return constructChipSpan(entry, -1, false); 1825 } catch (NullPointerException e) { 1826 Log.e(TAG, e.getMessage(), e); 1827 return null; 1828 } 1829 } 1830 1831 @Override 1832 protected Void doInBackground(Void... params) { 1833 if (mIndividualReplacements != null) { 1834 mIndividualReplacements.cancel(true); 1835 } 1836 // For each chip in the list, look up the matching contact. 1837 // If there is a match, replace that chip with the matching 1838 // chip. 1839 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 1840 RecipientChip[] existingChips = getSortedRecipients(); 1841 for (int i = 0; i < existingChips.length; i++) { 1842 originalRecipients.add(existingChips[i]); 1843 } 1844 if (mRemovedSpans != null) { 1845 originalRecipients.addAll(mRemovedSpans); 1846 } 1847 String[] addresses = new String[originalRecipients.size()]; 1848 for (int i = 0; i < originalRecipients.size(); i++) { 1849 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1850 } 1851 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1852 .getMatchingRecipients(getContext(), addresses); 1853 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 1854 for (final RecipientChip temp : originalRecipients) { 1855 RecipientEntry entry = null; 1856 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1857 && getSpannable().getSpanStart(temp) != -1) { 1858 // Replace this. 1859 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 1860 .getDestination()))); 1861 } 1862 if (entry != null) { 1863 replacements.add(createFreeChip(entry)); 1864 } else { 1865 replacements.add(temp); 1866 } 1867 } 1868 if (replacements != null && replacements.size() > 0) { 1869 mHandler.post(new Runnable() { 1870 @Override 1871 public void run() { 1872 SpannableStringBuilder text = new SpannableStringBuilder(getText() 1873 .toString()); 1874 Editable oldText = getText(); 1875 int start, end; 1876 int i = 0; 1877 for (RecipientChip chip : originalRecipients) { 1878 start = oldText.getSpanStart(chip); 1879 if (start != -1) { 1880 end = oldText.getSpanEnd(chip); 1881 text.removeSpan(chip); 1882 // Leave a spot for the space! 1883 RecipientChip replacement = replacements.get(i); 1884 text.setSpan(replacement, start, end, 1885 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1886 replacement.setOriginalText(text.toString().substring(start, end)); 1887 } 1888 i++; 1889 } 1890 Editable editable = getText(); 1891 editable.clear(); 1892 editable.insert(0, text); 1893 originalRecipients.clear(); 1894 } 1895 }); 1896 } 1897 return null; 1898 } 1899 } 1900 1901 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 1902 @SuppressWarnings("unchecked") 1903 @Override 1904 protected Void doInBackground(Object... params) { 1905 // For each chip in the list, look up the matching contact. 1906 // If there is a match, replace that chip with the matching 1907 // chip. 1908 final ArrayList<RecipientChip> originalRecipients = 1909 (ArrayList<RecipientChip>) params[0]; 1910 String[] addresses = new String[originalRecipients.size()]; 1911 for (int i = 0; i < originalRecipients.size(); i++) { 1912 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1913 } 1914 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1915 .getMatchingRecipients(getContext(), addresses); 1916 for (final RecipientChip temp : originalRecipients) { 1917 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1918 && getSpannable().getSpanStart(temp) != -1) { 1919 // Replace this. 1920 final RecipientEntry entry = createValidatedEntry(entries 1921 .get(tokenizeAddress(temp.getEntry().getDestination()))); 1922 if (entry != null) { 1923 mHandler.post(new Runnable() { 1924 @Override 1925 public void run() { 1926 replaceChip(temp, entry); 1927 } 1928 }); 1929 } 1930 } 1931 } 1932 return null; 1933 } 1934 } 1935 1936 1937 /** 1938 * MoreImageSpan is a simple class created for tracking the existence of a 1939 * more chip across activity restarts/ 1940 */ 1941 private class MoreImageSpan extends ImageSpan { 1942 public MoreImageSpan(Drawable b) { 1943 super(b); 1944 } 1945 } 1946 1947 @Override 1948 public boolean onDown(MotionEvent e) { 1949 return false; 1950 } 1951 1952 @Override 1953 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 1954 // Do nothing. 1955 return false; 1956 } 1957 1958 @Override 1959 public void onLongPress(MotionEvent event) { 1960 if (mSelectedChip != null) { 1961 return; 1962 } 1963 float x = event.getX(); 1964 float y = event.getY(); 1965 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1966 RecipientChip currentChip = findChip(offset); 1967 if (currentChip != null) { 1968 // Copy the selected chip email address. 1969 showCopyDialog(currentChip.getEntry().getDestination()); 1970 } 1971 } 1972 1973 private void showCopyDialog(final String address) { 1974 mCopyAddress = address; 1975 mCopyDialog.setTitle(address); 1976 mCopyDialog.setContentView(mCopyViewRes); 1977 mCopyDialog.setCancelable(true); 1978 mCopyDialog.setCanceledOnTouchOutside(true); 1979 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 1980 mCopyDialog.setOnDismissListener(this); 1981 mCopyDialog.show(); 1982 } 1983 1984 @Override 1985 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 1986 // Do nothing. 1987 return false; 1988 } 1989 1990 @Override 1991 public void onShowPress(MotionEvent e) { 1992 // Do nothing. 1993 } 1994 1995 @Override 1996 public boolean onSingleTapUp(MotionEvent e) { 1997 // Do nothing. 1998 return false; 1999 } 2000 2001 @Override 2002 public void onDismiss(DialogInterface dialog) { 2003 mCopyAddress = null; 2004 } 2005 2006 @Override 2007 public void onClick(View v) { 2008 // Copy this to the clipboard. 2009 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2010 Context.CLIPBOARD_SERVICE); 2011 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2012 mCopyDialog.dismiss(); 2013 } 2014} 2015