RecipientEditTextView.java revision 8eb031e6de46e477412d92ab0c5ef20b431f1804
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 // Visible for testing. 938 /* package */ void sanitizeBetween() { 939 // Find the last chip. 940 RecipientChip[] recips = getSortedRecipients(); 941 if (recips != null && recips.length > 0) { 942 RecipientChip last = recips[recips.length - 1]; 943 RecipientChip beforeLast = null; 944 if (recips.length > 1) { 945 beforeLast = recips[recips.length - 2]; 946 } 947 int startLooking = 0; 948 int end = getSpannable().getSpanStart(last); 949 if (beforeLast != null) { 950 startLooking = getSpannable().getSpanEnd(beforeLast); 951 Editable text = getText(); 952 if (startLooking == -1 || startLooking > text.length() - 1) { 953 // There is nothing after this chip. 954 return; 955 } 956 if (text.charAt(startLooking) == ' ') { 957 startLooking++; 958 } 959 } 960 if (startLooking >= 0 && end >= 0 && startLooking != end) { 961 getText().delete(startLooking, end); 962 } 963 } 964 } 965 966 private boolean shouldCreateChip(int start, int end) { 967 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 968 } 969 970 private boolean alreadyHasChip(int start, int end) { 971 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 972 if ((chips == null || chips.length == 0)) { 973 return false; 974 } 975 return true; 976 } 977 978 private void handleEdit(int start, int end) { 979 if (start == -1 || end == -1) { 980 // This chip no longer exists in the field. 981 dismissDropDown(); 982 return; 983 } 984 // This is in the middle of a chip, so select out the whole chip 985 // and commit it. 986 Editable editable = getText(); 987 setSelection(end); 988 String text = getText().toString().substring(start, end); 989 if (!TextUtils.isEmpty(text)) { 990 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 991 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 992 CharSequence chipText = createChip(entry, false); 993 editable.replace(start, getSelectionEnd(), chipText); 994 } 995 dismissDropDown(); 996 } 997 998 /** 999 * If there is a selected chip, delegate the key events 1000 * to the selected chip. 1001 */ 1002 @Override 1003 public boolean onKeyDown(int keyCode, KeyEvent event) { 1004 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1005 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1006 mAlternatesPopup.dismiss(); 1007 } 1008 removeChip(mSelectedChip); 1009 } 1010 1011 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1012 return true; 1013 } 1014 1015 return super.onKeyDown(keyCode, event); 1016 } 1017 1018 // Visible for testing. 1019 /* package */ Spannable getSpannable() { 1020 return getText(); 1021 } 1022 1023 private int getChipStart(RecipientChip chip) { 1024 return getSpannable().getSpanStart(chip); 1025 } 1026 1027 private int getChipEnd(RecipientChip chip) { 1028 return getSpannable().getSpanEnd(chip); 1029 } 1030 1031 /** 1032 * Instead of filtering on the entire contents of the edit box, 1033 * this subclass method filters on the range from 1034 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1035 * if the length of that range meets or exceeds {@link #getThreshold} 1036 * and makes sure that the range is not already a Chip. 1037 */ 1038 @Override 1039 protected void performFiltering(CharSequence text, int keyCode) { 1040 if (enoughToFilter()) { 1041 int end = getSelectionEnd(); 1042 int start = mTokenizer.findTokenStart(text, end); 1043 // If this is a RecipientChip, don't filter 1044 // on its contents. 1045 Spannable span = getSpannable(); 1046 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1047 if (chips != null && chips.length > 0) { 1048 return; 1049 } 1050 } 1051 super.performFiltering(text, keyCode); 1052 } 1053 1054 private void clearSelectedChip() { 1055 if (mSelectedChip != null) { 1056 unselectChip(mSelectedChip); 1057 mSelectedChip = null; 1058 } 1059 setCursorVisible(true); 1060 } 1061 1062 /** 1063 * Monitor touch events in the RecipientEditTextView. 1064 * If the view does not have focus, any tap on the view 1065 * will just focus the view. If the view has focus, determine 1066 * if the touch target is a recipient chip. If it is and the chip 1067 * is not selected, select it and clear any other selected chips. 1068 * If it isn't, then select that chip. 1069 */ 1070 @Override 1071 public boolean onTouchEvent(MotionEvent event) { 1072 if (!isFocused()) { 1073 // Ignore any chip taps until this view is focused. 1074 return super.onTouchEvent(event); 1075 } 1076 boolean handled = super.onTouchEvent(event); 1077 int action = event.getAction(); 1078 boolean chipWasSelected = false; 1079 if (mSelectedChip == null) { 1080 mGestureDetector.onTouchEvent(event); 1081 } 1082 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1083 float x = event.getX(); 1084 float y = event.getY(); 1085 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1086 RecipientChip currentChip = findChip(offset); 1087 if (currentChip != null) { 1088 if (action == MotionEvent.ACTION_UP) { 1089 if (mSelectedChip != null && mSelectedChip != currentChip) { 1090 clearSelectedChip(); 1091 mSelectedChip = selectChip(currentChip); 1092 } else if (mSelectedChip == null) { 1093 setSelection(getText().length()); 1094 commitDefault(); 1095 mSelectedChip = selectChip(currentChip); 1096 } else { 1097 onClick(mSelectedChip, offset, x, y); 1098 } 1099 } 1100 chipWasSelected = true; 1101 handled = true; 1102 } else if (mSelectedChip != null 1103 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1104 chipWasSelected = true; 1105 } 1106 } 1107 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1108 clearSelectedChip(); 1109 } 1110 return handled; 1111 } 1112 1113 private void scrollLineIntoView(int line) { 1114 if (mScrollView != null) { 1115 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1116 } 1117 } 1118 1119 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1120 int width, Context context) { 1121 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1122 int bottom = calculateOffsetFromBottom(line); 1123 // Align the alternates popup with the left side of the View, 1124 // regardless of the position of the chip tapped. 1125 alternatesPopup.setWidth(width); 1126 setEnabled(false); 1127 alternatesPopup.setAnchorView(this); 1128 alternatesPopup.setVerticalOffset(bottom); 1129 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1130 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1131 // Clear the checked item. 1132 mCheckedItem = -1; 1133 alternatesPopup.show(); 1134 ListView listView = alternatesPopup.getListView(); 1135 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1136 // Checked item would be -1 if the adapter has not 1137 // loaded the view that should be checked yet. The 1138 // variable will be set correctly when onCheckedItemChanged 1139 // is called in a separate thread. 1140 if (mCheckedItem != -1) { 1141 listView.setItemChecked(mCheckedItem, true); 1142 mCheckedItem = -1; 1143 } 1144 } 1145 1146 // Dismiss listener for alterns and single address popup. 1147 @Override 1148 public void onDismiss() { 1149 setEnabled(true); 1150 } 1151 1152 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1153 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1154 mAlternatesLayout, this); 1155 } 1156 1157 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1158 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1159 .getEntry()); 1160 } 1161 1162 @Override 1163 public void onCheckedItemChanged(int position) { 1164 ListView listView = mAlternatesPopup.getListView(); 1165 if (listView != null && listView.getCheckedItemCount() == 0) { 1166 listView.setItemChecked(position, true); 1167 } 1168 mCheckedItem = position; 1169 } 1170 1171 // TODO: This algorithm will need a lot of tweaking after more people have used 1172 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1173 // what comes before the finger. 1174 private int putOffsetInRange(int o) { 1175 int offset = o; 1176 Editable text = getText(); 1177 int length = text.length(); 1178 // Remove whitespace from end to find "real end" 1179 int realLength = length; 1180 for (int i = length - 1; i >= 0; i--) { 1181 if (text.charAt(i) == ' ') { 1182 realLength--; 1183 } else { 1184 break; 1185 } 1186 } 1187 1188 // If the offset is beyond or at the end of the text, 1189 // leave it alone. 1190 if (offset >= realLength) { 1191 return offset; 1192 } 1193 Editable editable = getText(); 1194 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1195 // Keep walking backward! 1196 offset--; 1197 } 1198 return offset; 1199 } 1200 1201 private int findText(Editable text, int offset) { 1202 if (text.charAt(offset) != ' ') { 1203 return offset; 1204 } 1205 return -1; 1206 } 1207 1208 private RecipientChip findChip(int offset) { 1209 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1210 // Find the chip that contains this offset. 1211 for (int i = 0; i < chips.length; i++) { 1212 RecipientChip chip = chips[i]; 1213 int start = getChipStart(chip); 1214 int end = getChipEnd(chip); 1215 if (offset >= start && offset <= end) { 1216 return chip; 1217 } 1218 } 1219 return null; 1220 } 1221 1222 // Visible for testing. 1223 /* package */ String createDisplayText(RecipientEntry entry) { 1224 String display = entry.getDisplayName(); 1225 String address = entry.getDestination(); 1226 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1227 display = null; 1228 } 1229 if (address != null) { 1230 // Tokenize out the address in case the address already 1231 // contained the username as well. 1232 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1233 if (tokenized != null && tokenized.length > 0) { 1234 address = tokenized[0].getAddress(); 1235 } 1236 } 1237 Rfc822Token token = new Rfc822Token(display, address, null); 1238 String displayText = token.toString(); 1239 String trimmedDisplayText = displayText.trim(); 1240 int index = trimmedDisplayText.indexOf(","); 1241 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1242 .terminateToken(displayText) : displayText; 1243 } 1244 1245 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1246 String displayText = createDisplayText(entry); 1247 // Always leave a blank space at the end of a chip. 1248 int textLength = displayText.length()-1; 1249 SpannableString chipText = new SpannableString(displayText); 1250 int end = getSelectionEnd(); 1251 int start = mTokenizer.findTokenStart(getText(), end); 1252 try { 1253 RecipientChip chip = constructChipSpan(entry, start, pressed); 1254 chipText.setSpan(chip, 0, textLength, 1255 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1256 chip.setOriginalText(chipText.toString()); 1257 } catch (NullPointerException e) { 1258 Log.e(TAG, e.getMessage(), e); 1259 return null; 1260 } 1261 1262 return chipText; 1263 } 1264 1265 /** 1266 * When an item in the suggestions list has been clicked, create a chip from the 1267 * contact information of the selected item. 1268 */ 1269 @Override 1270 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1271 submitItemAtPosition(position); 1272 } 1273 1274 private void submitItemAtPosition(int position) { 1275 RecipientEntry entry = createValidatedEntry( 1276 (RecipientEntry)getAdapter().getItem(position)); 1277 if (entry == null) { 1278 return; 1279 } 1280 clearComposingText(); 1281 1282 int end = getSelectionEnd(); 1283 int start = mTokenizer.findTokenStart(getText(), end); 1284 1285 Editable editable = getText(); 1286 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1287 CharSequence chip = createChip(entry, false); 1288 if (chip != null) { 1289 editable.replace(start, end, chip); 1290 } 1291 sanitizeBetween(); 1292 } 1293 1294 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1295 if (item == null) { 1296 return null; 1297 } 1298 final RecipientEntry entry; 1299 // If the display name and the address are the same, or if this is a 1300 // valid contact, but the destination is invalid, then make this a fake 1301 // recipient that is editable. 1302 String destination = item.getDestination(); 1303 if (TextUtils.isEmpty(item.getDisplayName()) 1304 || TextUtils.equals(item.getDisplayName(), destination) 1305 || (mValidator != null && !mValidator.isValid(destination))) { 1306 entry = RecipientEntry.constructFakeEntry(destination); 1307 } else { 1308 entry = item; 1309 } 1310 return entry; 1311 } 1312 1313 /** Returns a collection of contact Id for each chip inside this View. */ 1314 /* package */ Collection<Long> getContactIds() { 1315 final Set<Long> result = new HashSet<Long>(); 1316 RecipientChip[] chips = getRecipients(); 1317 if (chips != null) { 1318 for (RecipientChip chip : chips) { 1319 result.add(chip.getContactId()); 1320 } 1321 } 1322 return result; 1323 } 1324 1325 private RecipientChip[] getRecipients() { 1326 return getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1327 } 1328 1329 // Visible for testing. 1330 /* package */ RecipientChip[] getSortedRecipients() { 1331 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1332 .asList(getRecipients())); 1333 final Spannable spannable = getSpannable(); 1334 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1335 1336 @Override 1337 public int compare(RecipientChip first, RecipientChip second) { 1338 int firstStart = spannable.getSpanStart(first); 1339 int secondStart = spannable.getSpanStart(second); 1340 if (firstStart < secondStart) { 1341 return -1; 1342 } else if (firstStart > secondStart) { 1343 return 1; 1344 } else { 1345 return 0; 1346 } 1347 } 1348 }); 1349 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1350 } 1351 1352 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1353 /* package */ Collection<Long> getDataIds() { 1354 final Set<Long> result = new HashSet<Long>(); 1355 RecipientChip [] chips = getRecipients(); 1356 if (chips != null) { 1357 for (RecipientChip chip : chips) { 1358 result.add(chip.getDataId()); 1359 } 1360 } 1361 return result; 1362 } 1363 1364 1365 @Override 1366 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1367 return false; 1368 } 1369 1370 @Override 1371 public void onDestroyActionMode(ActionMode mode) { 1372 } 1373 1374 @Override 1375 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1376 return false; 1377 } 1378 1379 /** 1380 * No chips are selectable. 1381 */ 1382 @Override 1383 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1384 return false; 1385 } 1386 1387 1388 private ImageSpan getMoreChip() { 1389 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1390 MoreImageSpan.class); 1391 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1392 } 1393 1394 /** 1395 * Create the more chip. The more chip is text that replaces any chips that 1396 * do not fit in the pre-defined available space when the 1397 * RecipientEditTextView loses focus. 1398 */ 1399 private void createMoreChip() { 1400 if (!mShouldShrink) { 1401 return; 1402 } 1403 1404 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1405 if (tempMore.length > 0) { 1406 getSpannable().removeSpan(tempMore[0]); 1407 } 1408 RecipientChip[] recipients = getSortedRecipients(); 1409 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1410 mMoreChip = null; 1411 return; 1412 } 1413 Spannable spannable = getSpannable(); 1414 int numRecipients = recipients.length; 1415 int overage = numRecipients - CHIP_LIMIT; 1416 String moreText = String.format(mMoreItem.getText().toString(), overage); 1417 TextPaint morePaint = new TextPaint(getPaint()); 1418 morePaint.setTextSize(mMoreItem.getTextSize()); 1419 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1420 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1421 + mMoreItem.getPaddingRight(); 1422 int height = getLineHeight(); 1423 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1424 Canvas canvas = new Canvas(drawable); 1425 int adjustedHeight = height; 1426 Layout layout = getLayout(); 1427 if (layout != null) { 1428 adjustedHeight -= layout.getLineDescent(0); 1429 } 1430 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1431 1432 Drawable result = new BitmapDrawable(getResources(), drawable); 1433 result.setBounds(0, 0, width, height); 1434 MoreImageSpan moreSpan = new MoreImageSpan(result); 1435 // Remove the overage chips. 1436 if (recipients == null || recipients.length == 0) { 1437 Log.w(TAG, 1438 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1439 mMoreChip = null; 1440 return; 1441 } 1442 mRemovedSpans = new ArrayList<RecipientChip>(); 1443 int totalReplaceStart = 0; 1444 int totalReplaceEnd = 0; 1445 Editable text = getText(); 1446 for (int i = numRecipients - overage; i < recipients.length; i++) { 1447 mRemovedSpans.add(recipients[i]); 1448 if (i == numRecipients - overage) { 1449 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1450 } 1451 if (i == recipients.length - 1) { 1452 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1453 } 1454 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1455 int spanStart = spannable.getSpanStart(recipients[i]); 1456 int spanEnd = spannable.getSpanEnd(recipients[i]); 1457 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1458 } 1459 spannable.removeSpan(recipients[i]); 1460 } 1461 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1462 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1463 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1464 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1465 text.replace(start, end, chipText); 1466 mMoreChip = moreSpan; 1467 } 1468 1469 /** 1470 * Replace the more chip, if it exists, with all of the recipient chips it had 1471 * replaced when the RecipientEditTextView gains focus. 1472 */ 1473 private void removeMoreChip() { 1474 if (mMoreChip != null) { 1475 Spannable span = getSpannable(); 1476 span.removeSpan(mMoreChip); 1477 mMoreChip = null; 1478 // Re-add the spans that were removed. 1479 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1480 // Recreate each removed span. 1481 RecipientChip[] recipients = getSortedRecipients(); 1482 // Start the search for tokens after the last currently visible 1483 // chip. 1484 if (recipients == null || recipients.length == 0) { 1485 return; 1486 } 1487 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1488 Editable editable = getText(); 1489 for (RecipientChip chip : mRemovedSpans) { 1490 int chipStart; 1491 int chipEnd; 1492 String token; 1493 // Need to find the location of the chip, again. 1494 token = (String) chip.getOriginalText(); 1495 // As we find the matching recipient for the remove spans, 1496 // reduce the size of the string we need to search. 1497 // That way, if there are duplicates, we always find the correct 1498 // recipient. 1499 chipStart = editable.toString().indexOf(token, end); 1500 // -1 for the space! 1501 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1502 // Only set the span if we found a matching token. 1503 if (chipStart != -1) { 1504 editable.setSpan(chip, chipStart, chipEnd, 1505 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1506 } 1507 } 1508 mRemovedSpans.clear(); 1509 } 1510 } 1511 } 1512 1513 /** 1514 * Show specified chip as selected. If the RecipientChip is just an email address, 1515 * selecting the chip will take the contents of the chip and place it at 1516 * the end of the RecipientEditTextView for inline editing. If the 1517 * RecipientChip is a complete contact, then selecting the chip 1518 * will change the background color of the chip, show the delete icon, 1519 * and a popup window with the address in use highlighted and any other 1520 * alternate addresses for the contact. 1521 * @param currentChip Chip to select. 1522 * @return A RecipientChip in the selected state or null if the chip 1523 * just contained an email address. 1524 */ 1525 public RecipientChip selectChip(RecipientChip currentChip) { 1526 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1527 CharSequence text = currentChip.getValue(); 1528 Editable editable = getText(); 1529 removeChip(currentChip); 1530 editable.append(text); 1531 setCursorVisible(true); 1532 setSelection(editable.length()); 1533 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1534 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1535 int start = getChipStart(currentChip); 1536 int end = getChipEnd(currentChip); 1537 getSpannable().removeSpan(currentChip); 1538 RecipientChip newChip; 1539 try { 1540 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1541 } catch (NullPointerException e) { 1542 Log.e(TAG, e.getMessage(), e); 1543 return null; 1544 } 1545 Editable editable = getText(); 1546 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1547 if (start == -1 || end == -1) { 1548 Log.d(TAG, "The chip being selected no longer exists but should."); 1549 } else { 1550 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1551 } 1552 newChip.setSelected(true); 1553 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1554 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1555 } 1556 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1557 setCursorVisible(false); 1558 return newChip; 1559 } else { 1560 int start = getChipStart(currentChip); 1561 int end = getChipEnd(currentChip); 1562 getSpannable().removeSpan(currentChip); 1563 RecipientChip newChip; 1564 try { 1565 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1566 } catch (NullPointerException e) { 1567 Log.e(TAG, e.getMessage(), e); 1568 return null; 1569 } 1570 Editable editable = getText(); 1571 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1572 if (start == -1 || end == -1) { 1573 Log.d(TAG, "The chip being selected no longer exists but should."); 1574 } else { 1575 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1576 } 1577 newChip.setSelected(true); 1578 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1579 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1580 } 1581 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1582 setCursorVisible(false); 1583 return newChip; 1584 } 1585 } 1586 1587 1588 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1589 int width, Context context) { 1590 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1591 int bottom = calculateOffsetFromBottom(line); 1592 // Align the alternates popup with the left side of the View, 1593 // regardless of the position of the chip tapped. 1594 setEnabled(false); 1595 popup.setWidth(width); 1596 popup.setAnchorView(this); 1597 popup.setVerticalOffset(bottom); 1598 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1599 popup.setOnItemClickListener(new OnItemClickListener() { 1600 @Override 1601 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1602 unselectChip(currentChip); 1603 popup.dismiss(); 1604 } 1605 }); 1606 popup.show(); 1607 ListView listView = popup.getListView(); 1608 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1609 listView.setItemChecked(0, true); 1610 } 1611 1612 /** 1613 * Remove selection from this chip. Unselecting a RecipientChip will render 1614 * the chip without a delete icon and with an unfocused background. This 1615 * is called when the RecipientChip no longer has focus. 1616 */ 1617 public void unselectChip(RecipientChip chip) { 1618 int start = getChipStart(chip); 1619 int end = getChipEnd(chip); 1620 Editable editable = getText(); 1621 mSelectedChip = null; 1622 if (start == -1 || end == -1) { 1623 Log.w(TAG, 1624 "The chip doesn't exist or may be a chip a user was editing"); 1625 setSelection(editable.length()); 1626 commitDefault(); 1627 } else { 1628 getSpannable().removeSpan(chip); 1629 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1630 editable.removeSpan(chip); 1631 try { 1632 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1633 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1634 } catch (NullPointerException e) { 1635 Log.e(TAG, e.getMessage(), e); 1636 } 1637 } 1638 setCursorVisible(true); 1639 setSelection(editable.length()); 1640 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1641 mAlternatesPopup.dismiss(); 1642 } 1643 } 1644 1645 /** 1646 * Return whether this chip contains the position passed in. 1647 */ 1648 public boolean matchesChip(RecipientChip chip, int offset) { 1649 int start = getChipStart(chip); 1650 int end = getChipEnd(chip); 1651 if (start == -1 || end == -1) { 1652 return false; 1653 } 1654 return (offset >= start && offset <= end); 1655 } 1656 1657 1658 /** 1659 * Return whether a touch event was inside the delete target of 1660 * a selected chip. It is in the delete target if: 1661 * 1) the x and y points of the event are within the 1662 * delete assset. 1663 * 2) the point tapped would have caused a cursor to appear 1664 * right after the selected chip. 1665 * @return boolean 1666 */ 1667 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1668 // Figure out the bounds of this chip and whether or not 1669 // the user clicked in the X portion. 1670 return chip.isSelected() && offset == getChipEnd(chip); 1671 } 1672 1673 /** 1674 * Remove the chip and any text associated with it from the RecipientEditTextView. 1675 */ 1676 private void removeChip(RecipientChip chip) { 1677 Spannable spannable = getSpannable(); 1678 int spanStart = spannable.getSpanStart(chip); 1679 int spanEnd = spannable.getSpanEnd(chip); 1680 Editable text = getText(); 1681 int toDelete = spanEnd; 1682 boolean wasSelected = chip == mSelectedChip; 1683 // Clear that there is a selected chip before updating any text. 1684 if (wasSelected) { 1685 mSelectedChip = null; 1686 } 1687 // Always remove trailing spaces when removing a chip. 1688 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1689 toDelete++; 1690 } 1691 spannable.removeSpan(chip); 1692 text.delete(spanStart, toDelete); 1693 if (wasSelected) { 1694 clearSelectedChip(); 1695 } 1696 } 1697 1698 /** 1699 * Replace this currently selected chip with a new chip 1700 * that uses the contact data provided. 1701 */ 1702 public void replaceChip(RecipientChip chip, RecipientEntry entry) { 1703 boolean wasSelected = chip == mSelectedChip; 1704 if (wasSelected) { 1705 mSelectedChip = null; 1706 } 1707 int start = getChipStart(chip); 1708 int end = getChipEnd(chip); 1709 getSpannable().removeSpan(chip); 1710 Editable editable = getText(); 1711 CharSequence chipText = createChip(entry, false); 1712 if (start == -1 || end == -1) { 1713 Log.e(TAG, "The chip to replace does not exist but should."); 1714 editable.insert(0, chipText); 1715 } else { 1716 // There may be a space to replace with this chip's new associated 1717 // space. Check for it. 1718 int toReplace = end; 1719 while (toReplace >= 0 && toReplace < editable.length() 1720 && editable.charAt(toReplace) == ' ') { 1721 toReplace++; 1722 } 1723 editable.replace(start, toReplace, chipText); 1724 } 1725 setCursorVisible(true); 1726 if (wasSelected) { 1727 clearSelectedChip(); 1728 } 1729 } 1730 1731 /** 1732 * Handle click events for a chip. When a selected chip receives a click 1733 * event, see if that event was in the delete icon. If so, delete it. 1734 * Otherwise, unselect the chip. 1735 */ 1736 public void onClick(RecipientChip chip, int offset, float x, float y) { 1737 if (chip.isSelected()) { 1738 if (isInDelete(chip, offset, x, y)) { 1739 removeChip(chip); 1740 } else { 1741 clearSelectedChip(); 1742 } 1743 } 1744 } 1745 1746 private boolean chipsPending() { 1747 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1748 } 1749 1750 @Override 1751 public void removeTextChangedListener(TextWatcher watcher) { 1752 mTextWatcher = null; 1753 super.removeTextChangedListener(watcher); 1754 } 1755 1756 private class RecipientTextWatcher implements TextWatcher { 1757 @Override 1758 public void afterTextChanged(Editable s) { 1759 // If the text has been set to null or empty, make sure we remove 1760 // all the spans we applied. 1761 if (TextUtils.isEmpty(s)) { 1762 // Remove all the chips spans. 1763 Spannable spannable = getSpannable(); 1764 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1765 RecipientChip.class); 1766 for (RecipientChip chip : chips) { 1767 spannable.removeSpan(chip); 1768 } 1769 if (mMoreChip != null) { 1770 spannable.removeSpan(mMoreChip); 1771 } 1772 return; 1773 } 1774 // Get whether there are any recipients pending addition to the 1775 // view. If there are, don't do anything in the text watcher. 1776 if (chipsPending()) { 1777 return; 1778 } 1779 // If the user is editing a chip, don't clear it. 1780 if (mSelectedChip != null 1781 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1782 setCursorVisible(true); 1783 setSelection(getText().length()); 1784 clearSelectedChip(); 1785 } 1786 int length = s.length(); 1787 // Make sure there is content there to parse and that it is 1788 // not just the commit character. 1789 if (length > 1) { 1790 char last; 1791 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1792 int len = length() - 1; 1793 if (end != len) { 1794 last = s.charAt(end); 1795 } else { 1796 last = s.charAt(len); 1797 } 1798 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1799 commitByCharacter(); 1800 } else if (last == COMMIT_CHAR_SPACE) { 1801 // Check if this is a valid email address. If it is, 1802 // commit it. 1803 String text = getText().toString(); 1804 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1805 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1806 tokenStart)); 1807 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1808 commitByCharacter(); 1809 } 1810 } 1811 } 1812 } 1813 1814 @Override 1815 public void onTextChanged(CharSequence s, int start, int before, int count) { 1816 // Do nothing. 1817 } 1818 1819 @Override 1820 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1821 // Do nothing. 1822 } 1823 } 1824 1825 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 1826 private RecipientChip createFreeChip(RecipientEntry entry) { 1827 try { 1828 return constructChipSpan(entry, -1, false); 1829 } catch (NullPointerException e) { 1830 Log.e(TAG, e.getMessage(), e); 1831 return null; 1832 } 1833 } 1834 1835 @Override 1836 protected Void doInBackground(Void... params) { 1837 if (mIndividualReplacements != null) { 1838 mIndividualReplacements.cancel(true); 1839 } 1840 // For each chip in the list, look up the matching contact. 1841 // If there is a match, replace that chip with the matching 1842 // chip. 1843 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 1844 RecipientChip[] existingChips = getSortedRecipients(); 1845 for (int i = 0; i < existingChips.length; i++) { 1846 originalRecipients.add(existingChips[i]); 1847 } 1848 if (mRemovedSpans != null) { 1849 originalRecipients.addAll(mRemovedSpans); 1850 } 1851 String[] addresses = new String[originalRecipients.size()]; 1852 for (int i = 0; i < originalRecipients.size(); i++) { 1853 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1854 } 1855 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1856 .getMatchingRecipients(getContext(), addresses); 1857 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 1858 for (final RecipientChip temp : originalRecipients) { 1859 RecipientEntry entry = null; 1860 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1861 && getSpannable().getSpanStart(temp) != -1) { 1862 // Replace this. 1863 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 1864 .getDestination()))); 1865 } 1866 if (entry != null) { 1867 replacements.add(createFreeChip(entry)); 1868 } else { 1869 replacements.add(temp); 1870 } 1871 } 1872 if (replacements != null && replacements.size() > 0) { 1873 mHandler.post(new Runnable() { 1874 @Override 1875 public void run() { 1876 SpannableStringBuilder text = new SpannableStringBuilder(getText() 1877 .toString()); 1878 Editable oldText = getText(); 1879 int start, end; 1880 int i = 0; 1881 for (RecipientChip chip : originalRecipients) { 1882 start = oldText.getSpanStart(chip); 1883 if (start != -1) { 1884 end = oldText.getSpanEnd(chip); 1885 text.removeSpan(chip); 1886 // Leave a spot for the space! 1887 RecipientChip replacement = replacements.get(i); 1888 text.setSpan(replacement, start, end, 1889 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1890 replacement.setOriginalText(text.toString().substring(start, end)); 1891 } 1892 i++; 1893 } 1894 Editable editable = getText(); 1895 editable.clear(); 1896 editable.insert(0, text); 1897 originalRecipients.clear(); 1898 } 1899 }); 1900 } 1901 return null; 1902 } 1903 } 1904 1905 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 1906 @SuppressWarnings("unchecked") 1907 @Override 1908 protected Void doInBackground(Object... params) { 1909 // For each chip in the list, look up the matching contact. 1910 // If there is a match, replace that chip with the matching 1911 // chip. 1912 final ArrayList<RecipientChip> originalRecipients = 1913 (ArrayList<RecipientChip>) params[0]; 1914 String[] addresses = new String[originalRecipients.size()]; 1915 for (int i = 0; i < originalRecipients.size(); i++) { 1916 addresses[i] = createDisplayText(originalRecipients.get(i).getEntry()); 1917 } 1918 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 1919 .getMatchingRecipients(getContext(), addresses); 1920 for (final RecipientChip temp : originalRecipients) { 1921 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 1922 && getSpannable().getSpanStart(temp) != -1) { 1923 // Replace this. 1924 final RecipientEntry entry = createValidatedEntry(entries 1925 .get(tokenizeAddress(temp.getEntry().getDestination()))); 1926 if (entry != null) { 1927 mHandler.post(new Runnable() { 1928 @Override 1929 public void run() { 1930 replaceChip(temp, entry); 1931 } 1932 }); 1933 } 1934 } 1935 } 1936 return null; 1937 } 1938 } 1939 1940 1941 /** 1942 * MoreImageSpan is a simple class created for tracking the existence of a 1943 * more chip across activity restarts/ 1944 */ 1945 private class MoreImageSpan extends ImageSpan { 1946 public MoreImageSpan(Drawable b) { 1947 super(b); 1948 } 1949 } 1950 1951 @Override 1952 public boolean onDown(MotionEvent e) { 1953 return false; 1954 } 1955 1956 @Override 1957 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 1958 // Do nothing. 1959 return false; 1960 } 1961 1962 @Override 1963 public void onLongPress(MotionEvent event) { 1964 if (mSelectedChip != null) { 1965 return; 1966 } 1967 float x = event.getX(); 1968 float y = event.getY(); 1969 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1970 RecipientChip currentChip = findChip(offset); 1971 if (currentChip != null) { 1972 // Copy the selected chip email address. 1973 showCopyDialog(currentChip.getEntry().getDestination()); 1974 } 1975 } 1976 1977 private void showCopyDialog(final String address) { 1978 mCopyAddress = address; 1979 mCopyDialog.setTitle(address); 1980 mCopyDialog.setContentView(mCopyViewRes); 1981 mCopyDialog.setCancelable(true); 1982 mCopyDialog.setCanceledOnTouchOutside(true); 1983 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 1984 mCopyDialog.setOnDismissListener(this); 1985 mCopyDialog.show(); 1986 } 1987 1988 @Override 1989 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 1990 // Do nothing. 1991 return false; 1992 } 1993 1994 @Override 1995 public void onShowPress(MotionEvent e) { 1996 // Do nothing. 1997 } 1998 1999 @Override 2000 public boolean onSingleTapUp(MotionEvent e) { 2001 // Do nothing. 2002 return false; 2003 } 2004 2005 @Override 2006 public void onDismiss(DialogInterface dialog) { 2007 mCopyAddress = null; 2008 } 2009 2010 @Override 2011 public void onClick(View v) { 2012 // Copy this to the clipboard. 2013 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2014 Context.CLIPBOARD_SERVICE); 2015 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2016 mCopyDialog.dismiss(); 2017 } 2018} 2019