RecipientEditTextView.java revision da5932fdbfbfdc03e2fa2417f3492dbf21ba7e8f
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import java.util.ArrayList; 21import java.util.Arrays; 22import java.util.Collection; 23import java.util.Collections; 24import java.util.Comparator; 25import java.util.HashSet; 26import java.util.List; 27import java.util.Map; 28import java.util.Set; 29import java.util.regex.Matcher; 30import java.util.regex.Pattern; 31 32import android.app.Dialog; 33import android.content.ClipData; 34import android.content.ClipDescription; 35import android.content.ClipboardManager; 36import android.content.Context; 37import android.content.DialogInterface; 38import android.content.DialogInterface.OnDismissListener; 39import android.content.res.Resources; 40import android.content.res.TypedArray; 41import android.graphics.Bitmap; 42import android.graphics.BitmapFactory; 43import android.graphics.Canvas; 44import android.graphics.Matrix; 45import android.graphics.Point; 46import android.graphics.Rect; 47import android.graphics.RectF; 48import android.graphics.drawable.BitmapDrawable; 49import android.graphics.drawable.Drawable; 50import android.os.AsyncTask; 51import android.os.Handler; 52import android.os.Looper; 53import android.os.Message; 54import android.os.Parcelable; 55import android.text.Editable; 56import android.text.InputType; 57import android.text.Layout; 58import android.text.Spannable; 59import android.text.SpannableString; 60import android.text.SpannableStringBuilder; 61import android.text.Spanned; 62import android.text.TextPaint; 63import android.text.TextUtils; 64import android.text.TextWatcher; 65import android.text.method.QwertyKeyListener; 66import android.text.style.ImageSpan; 67import android.text.util.Rfc822Token; 68import android.text.util.Rfc822Tokenizer; 69import android.util.AttributeSet; 70import android.util.Log; 71import android.util.TypedValue; 72import android.view.ActionMode; 73import android.view.ActionMode.Callback; 74import android.view.DragEvent; 75import android.view.GestureDetector; 76import android.view.KeyEvent; 77import android.view.LayoutInflater; 78import android.view.Menu; 79import android.view.MenuItem; 80import android.view.MotionEvent; 81import android.view.View; 82import android.view.View.OnClickListener; 83import android.view.ViewParent; 84import android.view.inputmethod.EditorInfo; 85import android.view.inputmethod.InputConnection; 86import android.widget.AdapterView; 87import android.widget.AdapterView.OnItemClickListener; 88import android.widget.Button; 89import android.widget.Filterable; 90import android.widget.ListAdapter; 91import android.widget.ListPopupWindow; 92import android.widget.ListView; 93import android.widget.MultiAutoCompleteTextView; 94import android.widget.ScrollView; 95import android.widget.TextView; 96 97import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 98import com.android.ex.chips.recipientchip.DrawableRecipientChip; 99import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 100import com.android.ex.chips.recipientchip.VisibleRecipientChip; 101 102/** 103 * RecipientEditTextView is an auto complete text view for use with applications 104 * that use the new Chips UI for addressing a message to recipients. 105 */ 106public class RecipientEditTextView extends MultiAutoCompleteTextView implements 107 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 108 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 109 TextView.OnEditorActionListener { 110 111 private static final char COMMIT_CHAR_COMMA = ','; 112 113 private static final char COMMIT_CHAR_SEMICOLON = ';'; 114 115 private static final char COMMIT_CHAR_SPACE = ' '; 116 117 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 118 + String.valueOf(COMMIT_CHAR_SPACE); 119 120 private static final String TAG = "RecipientEditTextView"; 121 122 private static int DISMISS = "dismiss".hashCode(); 123 124 private static final long DISMISS_DELAY = 300; 125 126 // TODO: get correct number/ algorithm from with UX. 127 // Visible for testing. 128 /*package*/ static final int CHIP_LIMIT = 2; 129 130 private static final int MAX_CHIPS_PARSED = 50; 131 132 private static int sSelectedTextColor = -1; 133 134 // Resources for displaying chips. 135 private Drawable mChipBackground = null; 136 137 private Drawable mChipDelete = null; 138 139 private Drawable mInvalidChipBackground; 140 141 private Drawable mChipBackgroundPressed; 142 143 private float mChipHeight; 144 145 private float mChipFontSize; 146 147 private float mLineSpacingExtra; 148 149 private int mChipPadding; 150 151 private Tokenizer mTokenizer; 152 153 private Validator mValidator; 154 155 private DrawableRecipientChip mSelectedChip; 156 157 private int mAlternatesLayout; 158 159 private Bitmap mDefaultContactPhoto; 160 161 private ImageSpan mMoreChip; 162 163 private TextView mMoreItem; 164 165 // VisibleForTesting 166 final ArrayList<String> mPendingChips = new ArrayList<String>(); 167 168 private Handler mHandler; 169 170 private int mPendingChipsCount = 0; 171 172 private boolean mNoChips = false; 173 174 private ListPopupWindow mAlternatesPopup; 175 176 private ListPopupWindow mAddressPopup; 177 178 // VisibleForTesting 179 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 180 181 private ArrayList<DrawableRecipientChip> mRemovedSpans; 182 183 private boolean mShouldShrink = true; 184 185 // Chip copy fields. 186 private GestureDetector mGestureDetector; 187 188 private Dialog mCopyDialog; 189 190 private String mCopyAddress; 191 192 /** 193 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 194 * selected chip. 195 */ 196 private OnItemClickListener mAlternatesListener; 197 198 private int mCheckedItem; 199 200 private TextWatcher mTextWatcher; 201 202 // Obtain the enclosing scroll view, if it exists, so that the view can be 203 // scrolled to show the last line of chips content. 204 private ScrollView mScrollView; 205 206 private boolean mTriedGettingScrollView; 207 208 private boolean mDragEnabled = false; 209 210 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 211 // parens, so numbers such as "1 (425) 222-2342" match. 212 private static final Pattern PHONE_PATTERN 213 = Pattern.compile( // sdd = space, dot, or dash 214 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 215 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 216 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 217 218 private final Runnable mAddTextWatcher = new Runnable() { 219 @Override 220 public void run() { 221 if (mTextWatcher == null) { 222 mTextWatcher = new RecipientTextWatcher(); 223 addTextChangedListener(mTextWatcher); 224 } 225 } 226 }; 227 228 private IndividualReplacementTask mIndividualReplacements; 229 230 private Runnable mHandlePendingChips = new Runnable() { 231 232 @Override 233 public void run() { 234 handlePendingChips(); 235 } 236 237 }; 238 239 private Runnable mDelayedShrink = new Runnable() { 240 241 @Override 242 public void run() { 243 shrink(); 244 } 245 246 }; 247 248 private int mMaxLines; 249 250 private static int sExcessTopPadding = -1; 251 252 private int mActionBarHeight; 253 254 public RecipientEditTextView(Context context, AttributeSet attrs) { 255 super(context, attrs); 256 setChipDimensions(context, attrs); 257 if (sSelectedTextColor == -1) { 258 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 259 } 260 mAlternatesPopup = new ListPopupWindow(context); 261 mAddressPopup = new ListPopupWindow(context); 262 mCopyDialog = new Dialog(context); 263 mAlternatesListener = new OnItemClickListener() { 264 @Override 265 public void onItemClick(AdapterView<?> adapterView,View view, int position, 266 long rowId) { 267 mAlternatesPopup.setOnItemClickListener(null); 268 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 269 .getRecipientEntry(position)); 270 Message delayed = Message.obtain(mHandler, DISMISS); 271 delayed.obj = mAlternatesPopup; 272 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 273 clearComposingText(); 274 } 275 }; 276 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 277 setOnItemClickListener(this); 278 setCustomSelectionActionModeCallback(this); 279 mHandler = new Handler() { 280 @Override 281 public void handleMessage(Message msg) { 282 if (msg.what == DISMISS) { 283 ((ListPopupWindow) msg.obj).dismiss(); 284 return; 285 } 286 super.handleMessage(msg); 287 } 288 }; 289 mTextWatcher = new RecipientTextWatcher(); 290 addTextChangedListener(mTextWatcher); 291 mGestureDetector = new GestureDetector(context, this); 292 setOnEditorActionListener(this); 293 } 294 295 @Override 296 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 297 if (action == EditorInfo.IME_ACTION_DONE) { 298 if (commitDefault()) { 299 return true; 300 } 301 if (mSelectedChip != null) { 302 clearSelectedChip(); 303 return true; 304 } else if (focusNext()) { 305 return true; 306 } 307 } 308 return false; 309 } 310 311 @Override 312 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 313 InputConnection connection = super.onCreateInputConnection(outAttrs); 314 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 315 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 316 // clear the existing action 317 outAttrs.imeOptions ^= imeActions; 318 // set the DONE action 319 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 320 } 321 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 322 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 323 } 324 325 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 326 outAttrs.actionLabel = getContext().getString(R.string.done); 327 return connection; 328 } 329 330 /*package*/ DrawableRecipientChip getLastChip() { 331 DrawableRecipientChip last = null; 332 DrawableRecipientChip[] chips = getSortedRecipients(); 333 if (chips != null && chips.length > 0) { 334 last = chips[chips.length - 1]; 335 } 336 return last; 337 } 338 339 @Override 340 public void onSelectionChanged(int start, int end) { 341 // When selection changes, see if it is inside the chips area. 342 // If so, move the cursor back after the chips again. 343 DrawableRecipientChip last = getLastChip(); 344 if (last != null && start < getSpannable().getSpanEnd(last)) { 345 // Grab the last chip and set the cursor to after it. 346 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 347 } 348 super.onSelectionChanged(start, end); 349 } 350 351 @Override 352 public void onRestoreInstanceState(Parcelable state) { 353 if (!TextUtils.isEmpty(getText())) { 354 super.onRestoreInstanceState(null); 355 } else { 356 super.onRestoreInstanceState(state); 357 } 358 } 359 360 @Override 361 public Parcelable onSaveInstanceState() { 362 // If the user changes orientation while they are editing, just roll back the selection. 363 clearSelectedChip(); 364 return super.onSaveInstanceState(); 365 } 366 367 /** 368 * Convenience method: Append the specified text slice to the TextView's 369 * display buffer, upgrading it to BufferType.EDITABLE if it was 370 * not already editable. Commas are excluded as they are added automatically 371 * by the view. 372 */ 373 @Override 374 public void append(CharSequence text, int start, int end) { 375 // We don't care about watching text changes while appending. 376 if (mTextWatcher != null) { 377 removeTextChangedListener(mTextWatcher); 378 } 379 super.append(text, start, end); 380 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 381 String displayString = text.toString(); 382 383 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 384 // We have no separator, so we should add it 385 super.append(SEPARATOR, 0, SEPARATOR.length()); 386 displayString += SEPARATOR; 387 } 388 389 if (!TextUtils.isEmpty(displayString) 390 && TextUtils.getTrimmedLength(displayString) > 0) { 391 mPendingChipsCount++; 392 mPendingChips.add(displayString); 393 } 394 } 395 // Put a message on the queue to make sure we ALWAYS handle pending 396 // chips. 397 if (mPendingChipsCount > 0) { 398 postHandlePendingChips(); 399 } 400 mHandler.post(mAddTextWatcher); 401 } 402 403 @Override 404 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 405 super.onFocusChanged(hasFocus, direction, previous); 406 if (!hasFocus) { 407 shrink(); 408 } else { 409 expand(); 410 } 411 } 412 413 private int getExcessTopPadding() { 414 if (sExcessTopPadding == -1) { 415 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 416 } 417 return sExcessTopPadding; 418 } 419 420 @Override 421 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 422 super.setAdapter(adapter); 423 ((BaseRecipientAdapter) adapter) 424 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 425 @Override 426 public void onChanged(List<RecipientEntry> entries) { 427 // Scroll the chips field to the top of the screen so 428 // that the user can see as many results as possible. 429 if (entries != null && entries.size() > 0) { 430 scrollBottomIntoView(); 431 } 432 } 433 }); 434 } 435 436 private void scrollBottomIntoView() { 437 if (mScrollView != null && mShouldShrink) { 438 int[] location = new int[2]; 439 getLocationOnScreen(location); 440 int height = getHeight(); 441 int currentPos = location[1] + height; 442 // Desired position shows at least 1 line of chips below the action 443 // bar. We add excess padding to make sure this is always below other 444 // content. 445 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 446 if (currentPos > desiredPos) { 447 mScrollView.scrollBy(0, currentPos - desiredPos); 448 } 449 } 450 } 451 452 @Override 453 public void performValidation() { 454 // Do nothing. Chips handles its own validation. 455 } 456 457 private void shrink() { 458 if (mTokenizer == null) { 459 return; 460 } 461 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 462 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 463 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 464 clearSelectedChip(); 465 } else { 466 if (getWidth() <= 0) { 467 // We don't have the width yet which means the view hasn't been drawn yet 468 // and there is no reason to attempt to commit chips yet. 469 // This focus lost must be the result of an orientation change 470 // or an initial rendering. 471 // Re-post the shrink for later. 472 mHandler.removeCallbacks(mDelayedShrink); 473 mHandler.post(mDelayedShrink); 474 return; 475 } 476 // Reset any pending chips as they would have been handled 477 // when the field lost focus. 478 if (mPendingChipsCount > 0) { 479 postHandlePendingChips(); 480 } else { 481 Editable editable = getText(); 482 int end = getSelectionEnd(); 483 int start = mTokenizer.findTokenStart(editable, end); 484 DrawableRecipientChip[] chips = 485 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 486 if ((chips == null || chips.length == 0)) { 487 Editable text = getText(); 488 int whatEnd = mTokenizer.findTokenEnd(text, start); 489 // This token was already tokenized, so skip past the ending token. 490 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 491 whatEnd = movePastTerminators(whatEnd); 492 } 493 // In the middle of chip; treat this as an edit 494 // and commit the whole token. 495 int selEnd = getSelectionEnd(); 496 if (whatEnd != selEnd) { 497 handleEdit(start, whatEnd); 498 } else { 499 commitChip(start, end, editable); 500 } 501 } 502 } 503 mHandler.post(mAddTextWatcher); 504 } 505 createMoreChip(); 506 } 507 508 private void expand() { 509 if (mShouldShrink) { 510 setMaxLines(Integer.MAX_VALUE); 511 } 512 removeMoreChip(); 513 setCursorVisible(true); 514 Editable text = getText(); 515 setSelection(text != null && text.length() > 0 ? text.length() : 0); 516 // If there are any temporary chips, try replacing them now that the user 517 // has expanded the field. 518 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 519 new RecipientReplacementTask().execute(); 520 mTemporaryRecipients = null; 521 } 522 } 523 524 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 525 paint.setTextSize(mChipFontSize); 526 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 527 Log.d(TAG, "Max width is negative: " + maxWidth); 528 } 529 return TextUtils.ellipsize(text, paint, maxWidth, 530 TextUtils.TruncateAt.END); 531 } 532 533 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 534 // Ellipsize the text so that it takes AT MOST the entire width of the 535 // autocomplete text entry area. Make sure to leave space for padding 536 // on the sides. 537 int height = (int) mChipHeight; 538 int deleteWidth = height; 539 float[] widths = new float[1]; 540 paint.getTextWidths(" ", widths); 541 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 542 calculateAvailableWidth() - deleteWidth - widths[0]); 543 544 // Make sure there is a minimum chip width so the user can ALWAYS 545 // tap a chip without difficulty. 546 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 547 ellipsizedText.length())) 548 + (mChipPadding * 2) + deleteWidth); 549 550 // Create the background of the chip. 551 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 552 Canvas canvas = new Canvas(tmpBitmap); 553 if (mChipBackgroundPressed != null) { 554 mChipBackgroundPressed.setBounds(0, 0, width, height); 555 mChipBackgroundPressed.draw(canvas); 556 paint.setColor(sSelectedTextColor); 557 // Vertically center the text in the chip. 558 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 559 getTextYOffset((String) ellipsizedText, paint, height), paint); 560 // Make the delete a square. 561 Rect backgroundPadding = new Rect(); 562 mChipBackgroundPressed.getPadding(backgroundPadding); 563 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 564 0 + backgroundPadding.top, 565 width - backgroundPadding.right, 566 height - backgroundPadding.bottom); 567 mChipDelete.draw(canvas); 568 } else { 569 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 570 } 571 return tmpBitmap; 572 } 573 574 575 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 576 boolean leaveBlankIconSpacer) { 577 // Ellipsize the text so that it takes AT MOST the entire width of the 578 // autocomplete text entry area. Make sure to leave space for padding 579 // on the sides. 580 int height = (int) mChipHeight; 581 int iconWidth = height; 582 float[] widths = new float[1]; 583 paint.getTextWidths(" ", widths); 584 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 585 calculateAvailableWidth() - iconWidth - widths[0]); 586 // Make sure there is a minimum chip width so the user can ALWAYS 587 // tap a chip without difficulty. 588 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 589 ellipsizedText.length())) 590 + (mChipPadding * 2) + iconWidth); 591 592 // Create the background of the chip. 593 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 594 Canvas canvas = new Canvas(tmpBitmap); 595 Drawable background = getChipBackground(contact); 596 if (background != null) { 597 background.setBounds(0, 0, width, height); 598 background.draw(canvas); 599 600 // Don't draw photos for recipients that have been typed in OR generated on the fly. 601 long contactId = contact.getContactId(); 602 boolean drawPhotos = isPhoneQuery() ? 603 contactId != RecipientEntry.INVALID_CONTACT 604 : (contactId != RecipientEntry.INVALID_CONTACT 605 && (contactId != RecipientEntry.GENERATED_CONTACT && 606 !TextUtils.isEmpty(contact.getDisplayName()))); 607 if (drawPhotos) { 608 byte[] photoBytes = contact.getPhotoBytes(); 609 // There may not be a photo yet if anything but the first contact address 610 // was selected. 611 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 612 // TODO: cache this in the recipient entry? 613 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 614 .getPhotoThumbnailUri()); 615 photoBytes = contact.getPhotoBytes(); 616 } 617 618 Bitmap photo; 619 if (photoBytes != null) { 620 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 621 } else { 622 // TODO: can the scaled down default photo be cached? 623 photo = mDefaultContactPhoto; 624 } 625 // Draw the photo on the left side. 626 if (photo != null) { 627 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 628 Rect backgroundPadding = new Rect(); 629 mChipBackground.getPadding(backgroundPadding); 630 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 631 0 + backgroundPadding.top, 632 width - backgroundPadding.right, 633 height - backgroundPadding.bottom); 634 Matrix matrix = new Matrix(); 635 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 636 canvas.drawBitmap(photo, matrix, paint); 637 } 638 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 639 iconWidth = 0; 640 } 641 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 642 // Vertically center the text in the chip. 643 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 644 getTextYOffset((String)ellipsizedText, paint, height), paint); 645 } else { 646 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 647 } 648 return tmpBitmap; 649 } 650 651 /** 652 * Get the background drawable for a RecipientChip. 653 */ 654 // Visible for testing. 655 /* package */Drawable getChipBackground(RecipientEntry contact) { 656 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 657 } 658 659 private static float getTextYOffset(String text, TextPaint paint, int height) { 660 Rect bounds = new Rect(); 661 paint.getTextBounds(text, 0, text.length(), bounds); 662 int textHeight = bounds.bottom - bounds.top ; 663 return height - ((height - textHeight) / 2) - (int)paint.descent(); 664 } 665 666 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 667 boolean leaveIconSpace) throws NullPointerException { 668 if (mChipBackground == null) { 669 throw new NullPointerException( 670 "Unable to render any chips as setChipDimensions was not called."); 671 } 672 673 TextPaint paint = getPaint(); 674 float defaultSize = paint.getTextSize(); 675 int defaultColor = paint.getColor(); 676 677 Bitmap tmpBitmap; 678 if (pressed) { 679 tmpBitmap = createSelectedChip(contact, paint); 680 681 } else { 682 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 683 } 684 685 // Pass the full text, un-ellipsized, to the chip. 686 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 687 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 688 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 689 // Return text to the original size. 690 paint.setTextSize(defaultSize); 691 paint.setColor(defaultColor); 692 return recipientChip; 693 } 694 695 /** 696 * Calculate the bottom of the line the chip will be located on using: 697 * 1) which line the chip appears on 698 * 2) the height of a chip 699 * 3) padding built into the edit text view 700 */ 701 private int calculateOffsetFromBottom(int line) { 702 // Line offsets start at zero. 703 int actualLine = getLineCount() - (line + 1); 704 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 705 + getDropDownVerticalOffset(); 706 } 707 708 /** 709 * Get the max amount of space a chip can take up. The formula takes into 710 * account the width of the EditTextView, any view padding, and padding 711 * that will be added to the chip. 712 */ 713 private float calculateAvailableWidth() { 714 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 715 } 716 717 718 private void setChipDimensions(Context context, AttributeSet attrs) { 719 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 720 0); 721 Resources r = getContext().getResources(); 722 723 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 724 if (mChipBackground == null) { 725 mChipBackground = r.getDrawable(R.drawable.chip_background); 726 } 727 mChipBackgroundPressed = a 728 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 729 if (mChipBackgroundPressed == null) { 730 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 731 } 732 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 733 if (mChipDelete == null) { 734 mChipDelete = r.getDrawable(R.drawable.chip_delete); 735 } 736 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 737 if (mChipPadding == -1) { 738 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 739 } 740 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 741 -1); 742 if (mAlternatesLayout == -1) { 743 mAlternatesLayout = R.layout.chips_alternate_item; 744 } 745 746 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 747 748 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 749 750 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 751 if (mChipHeight == -1) { 752 mChipHeight = r.getDimension(R.dimen.chip_height); 753 } 754 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 755 if (mChipFontSize == -1) { 756 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 757 } 758 mInvalidChipBackground = a 759 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 760 if (mInvalidChipBackground == null) { 761 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 762 } 763 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 764 mMaxLines = r.getInteger(R.integer.chips_max_lines); 765 TypedValue tv = new TypedValue(); 766 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 767 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 768 .getDisplayMetrics()); 769 } 770 a.recycle(); 771 } 772 773 // Visible for testing. 774 /* package */ void setMoreItem(TextView moreItem) { 775 mMoreItem = moreItem; 776 } 777 778 779 // Visible for testing. 780 /* package */ void setChipBackground(Drawable chipBackground) { 781 mChipBackground = chipBackground; 782 } 783 784 // Visible for testing. 785 /* package */ void setChipHeight(int height) { 786 mChipHeight = height; 787 } 788 789 /** 790 * Set whether to shrink the recipients field such that at most 791 * one line of recipients chips are shown when the field loses 792 * focus. By default, the number of displayed recipients will be 793 * limited and a "more" chip will be shown when focus is lost. 794 * @param shrink 795 */ 796 public void setOnFocusListShrinkRecipients(boolean shrink) { 797 mShouldShrink = shrink; 798 } 799 800 @Override 801 public void onSizeChanged(int width, int height, int oldw, int oldh) { 802 super.onSizeChanged(width, height, oldw, oldh); 803 if (width != 0 && height != 0) { 804 if (mPendingChipsCount > 0) { 805 postHandlePendingChips(); 806 } else { 807 checkChipWidths(); 808 } 809 } 810 // Try to find the scroll view parent, if it exists. 811 if (mScrollView == null && !mTriedGettingScrollView) { 812 ViewParent parent = getParent(); 813 while (parent != null && !(parent instanceof ScrollView)) { 814 parent = parent.getParent(); 815 } 816 if (parent != null) { 817 mScrollView = (ScrollView) parent; 818 } 819 mTriedGettingScrollView = true; 820 } 821 } 822 823 private void postHandlePendingChips() { 824 mHandler.removeCallbacks(mHandlePendingChips); 825 mHandler.post(mHandlePendingChips); 826 } 827 828 private void checkChipWidths() { 829 // Check the widths of the associated chips. 830 DrawableRecipientChip[] chips = getSortedRecipients(); 831 if (chips != null) { 832 Rect bounds; 833 for (DrawableRecipientChip chip : chips) { 834 bounds = chip.getBounds(); 835 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 836 // Need to redraw that chip. 837 replaceChip(chip, chip.getEntry()); 838 } 839 } 840 } 841 } 842 843 // Visible for testing. 844 /*package*/ void handlePendingChips() { 845 if (getViewWidth() <= 0) { 846 // The widget has not been sized yet. 847 // This will be called as a result of onSizeChanged 848 // at a later point. 849 return; 850 } 851 if (mPendingChipsCount <= 0) { 852 return; 853 } 854 855 synchronized (mPendingChips) { 856 Editable editable = getText(); 857 // Tokenize! 858 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 859 for (int i = 0; i < mPendingChips.size(); i++) { 860 String current = mPendingChips.get(i); 861 int tokenStart = editable.toString().indexOf(current); 862 // Always leave a space at the end between tokens. 863 int tokenEnd = tokenStart + current.length() - 1; 864 if (tokenStart >= 0) { 865 // When we have a valid token, include it with the token 866 // to the left. 867 if (tokenEnd < editable.length() - 2 868 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 869 tokenEnd++; 870 } 871 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 872 || !mShouldShrink); 873 } 874 mPendingChipsCount--; 875 } 876 sanitizeEnd(); 877 } else { 878 mNoChips = true; 879 } 880 881 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 882 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 883 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 884 new RecipientReplacementTask().execute(); 885 mTemporaryRecipients = null; 886 } else { 887 // Create the "more" chip 888 mIndividualReplacements = new IndividualReplacementTask(); 889 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 890 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 891 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 892 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 893 mTemporaryRecipients.subList(CHIP_LIMIT, 894 mTemporaryRecipients.size())); 895 } else { 896 mTemporaryRecipients = null; 897 } 898 createMoreChip(); 899 } 900 } else { 901 // There are too many recipients to look up, so just fall back 902 // to showing addresses for all of them. 903 mTemporaryRecipients = null; 904 createMoreChip(); 905 } 906 mPendingChipsCount = 0; 907 mPendingChips.clear(); 908 } 909 } 910 911 // Visible for testing. 912 /*package*/ int getViewWidth() { 913 return getWidth(); 914 } 915 916 /** 917 * Remove any characters after the last valid chip. 918 */ 919 // Visible for testing. 920 /*package*/ void sanitizeEnd() { 921 // Don't sanitize while we are waiting for pending chips to complete. 922 if (mPendingChipsCount > 0) { 923 return; 924 } 925 // Find the last chip; eliminate any commit characters after it. 926 DrawableRecipientChip[] chips = getSortedRecipients(); 927 Spannable spannable = getSpannable(); 928 if (chips != null && chips.length > 0) { 929 int end; 930 mMoreChip = getMoreChip(); 931 if (mMoreChip != null) { 932 end = spannable.getSpanEnd(mMoreChip); 933 } else { 934 end = getSpannable().getSpanEnd(getLastChip()); 935 } 936 Editable editable = getText(); 937 int length = editable.length(); 938 if (length > end) { 939 // See what characters occur after that and eliminate them. 940 if (Log.isLoggable(TAG, Log.DEBUG)) { 941 Log.d(TAG, "There were extra characters after the last tokenizable entry." 942 + editable); 943 } 944 editable.delete(end + 1, length); 945 } 946 } 947 } 948 949 /** 950 * Create a chip that represents just the email address of a recipient. At some later 951 * point, this chip will be attached to a real contact entry, if one exists. 952 */ 953 // VisibleForTesting 954 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 955 boolean visible) { 956 if (alreadyHasChip(tokenStart, tokenEnd)) { 957 // There is already a chip present at this location. 958 // Don't recreate it. 959 return; 960 } 961 String token = editable.toString().substring(tokenStart, tokenEnd); 962 final String trimmedToken = token.trim(); 963 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 964 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 965 token = trimmedToken.substring(0, trimmedToken.length() - 1); 966 } 967 RecipientEntry entry = createTokenizedEntry(token); 968 if (entry != null) { 969 DrawableRecipientChip chip = null; 970 try { 971 if (!mNoChips) { 972 /* 973 * leave space for the contact icon if this is not just an 974 * email address 975 */ 976 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 977 || TextUtils.equals(entry.getDisplayName(), 978 entry.getDestination()); 979 chip = visible ? 980 constructChipSpan(entry, false, leaveSpace) 981 : new InvisibleRecipientChip(entry); 982 } 983 } catch (NullPointerException e) { 984 Log.e(TAG, e.getMessage(), e); 985 } 986 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 987 // Add this chip to the list of entries "to replace" 988 if (chip != null) { 989 if (mTemporaryRecipients == null) { 990 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 991 } 992 chip.setOriginalText(token); 993 mTemporaryRecipients.add(chip); 994 } 995 } 996 } 997 998 private static boolean isPhoneNumber(String number) { 999 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1000 // PhoneNumberUtil). One complication is that it requires the sender's region which 1001 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1002 if (TextUtils.isEmpty(number)) { 1003 return false; 1004 } 1005 1006 Matcher match = PHONE_PATTERN.matcher(number); 1007 return match.matches(); 1008 } 1009 1010 // VisibleForTesting 1011 RecipientEntry createTokenizedEntry(final String token) { 1012 if (TextUtils.isEmpty(token)) { 1013 return null; 1014 } 1015 if (isPhoneQuery() && isPhoneNumber(token)) { 1016 return RecipientEntry.constructFakePhoneEntry(token, true); 1017 } 1018 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1019 String display = null; 1020 boolean isValid = isValid(token); 1021 if (isValid && tokens != null && tokens.length > 0) { 1022 // If we can get a name from tokenizing, then generate an entry from 1023 // this. 1024 display = tokens[0].getName(); 1025 if (!TextUtils.isEmpty(display)) { 1026 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1027 isValid); 1028 } else { 1029 display = tokens[0].getAddress(); 1030 if (!TextUtils.isEmpty(display)) { 1031 return RecipientEntry.constructFakeEntry(display, isValid); 1032 } 1033 } 1034 } 1035 // Unable to validate the token or to create a valid token from it. 1036 // Just create a chip the user can edit. 1037 String validatedToken = null; 1038 if (mValidator != null && !isValid) { 1039 // Try fixing up the entry using the validator. 1040 validatedToken = mValidator.fixText(token).toString(); 1041 if (!TextUtils.isEmpty(validatedToken)) { 1042 if (validatedToken.contains(token)) { 1043 // protect against the case of a validator with a null 1044 // domain, 1045 // which doesn't add a domain to the token 1046 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1047 if (tokenized.length > 0) { 1048 validatedToken = tokenized[0].getAddress(); 1049 isValid = true; 1050 } 1051 } else { 1052 // We ran into a case where the token was invalid and 1053 // removed 1054 // by the validator. In this case, just use the original 1055 // token 1056 // and let the user sort out the error chip. 1057 validatedToken = null; 1058 isValid = false; 1059 } 1060 } 1061 } 1062 // Otherwise, fallback to just creating an editable email address chip. 1063 return RecipientEntry.constructFakeEntry( 1064 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1065 } 1066 1067 private boolean isValid(String text) { 1068 return mValidator == null ? true : mValidator.isValid(text); 1069 } 1070 1071 private static String tokenizeAddress(String destination) { 1072 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1073 if (tokens != null && tokens.length > 0) { 1074 return tokens[0].getAddress(); 1075 } 1076 return destination; 1077 } 1078 1079 @Override 1080 public void setTokenizer(Tokenizer tokenizer) { 1081 mTokenizer = tokenizer; 1082 super.setTokenizer(mTokenizer); 1083 } 1084 1085 @Override 1086 public void setValidator(Validator validator) { 1087 mValidator = validator; 1088 super.setValidator(validator); 1089 } 1090 1091 /** 1092 * We cannot use the default mechanism for replaceText. Instead, 1093 * we override onItemClickListener so we can get all the associated 1094 * contact information including display text, address, and id. 1095 */ 1096 @Override 1097 protected void replaceText(CharSequence text) { 1098 return; 1099 } 1100 1101 /** 1102 * Dismiss any selected chips when the back key is pressed. 1103 */ 1104 @Override 1105 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1106 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1107 clearSelectedChip(); 1108 return true; 1109 } 1110 return super.onKeyPreIme(keyCode, event); 1111 } 1112 1113 /** 1114 * Monitor key presses in this view to see if the user types 1115 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1116 * If the user has entered text that has contact matches and types 1117 * a commit key, create a chip from the topmost matching contact. 1118 * If the user has entered text that has no contact matches and types 1119 * a commit key, then create a chip from the text they have entered. 1120 */ 1121 @Override 1122 public boolean onKeyUp(int keyCode, KeyEvent event) { 1123 switch (keyCode) { 1124 case KeyEvent.KEYCODE_TAB: 1125 if (event.hasNoModifiers()) { 1126 if (mSelectedChip != null) { 1127 clearSelectedChip(); 1128 } else { 1129 commitDefault(); 1130 } 1131 } 1132 break; 1133 } 1134 return super.onKeyUp(keyCode, event); 1135 } 1136 1137 private boolean focusNext() { 1138 View next = focusSearch(View.FOCUS_DOWN); 1139 if (next != null) { 1140 next.requestFocus(); 1141 return true; 1142 } 1143 return false; 1144 } 1145 1146 /** 1147 * Create a chip from the default selection. If the popup is showing, the 1148 * default is the first item in the popup suggestions list. Otherwise, it is 1149 * whatever the user had typed in. End represents where the the tokenizer 1150 * should search for a token to turn into a chip. 1151 * @return If a chip was created from a real contact. 1152 */ 1153 private boolean commitDefault() { 1154 // If there is no tokenizer, don't try to commit. 1155 if (mTokenizer == null) { 1156 return false; 1157 } 1158 Editable editable = getText(); 1159 int end = getSelectionEnd(); 1160 int start = mTokenizer.findTokenStart(editable, end); 1161 1162 if (shouldCreateChip(start, end)) { 1163 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1164 // In the middle of chip; treat this as an edit 1165 // and commit the whole token. 1166 whatEnd = movePastTerminators(whatEnd); 1167 if (whatEnd != getSelectionEnd()) { 1168 handleEdit(start, whatEnd); 1169 return true; 1170 } 1171 return commitChip(start, end , editable); 1172 } 1173 return false; 1174 } 1175 1176 private void commitByCharacter() { 1177 // We can't possibly commit by character if we can't tokenize. 1178 if (mTokenizer == null) { 1179 return; 1180 } 1181 Editable editable = getText(); 1182 int end = getSelectionEnd(); 1183 int start = mTokenizer.findTokenStart(editable, end); 1184 if (shouldCreateChip(start, end)) { 1185 commitChip(start, end, editable); 1186 } 1187 setSelection(getText().length()); 1188 } 1189 1190 private boolean commitChip(int start, int end, Editable editable) { 1191 ListAdapter adapter = getAdapter(); 1192 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1193 && end == getSelectionEnd() && !isPhoneQuery()) { 1194 // choose the first entry. 1195 submitItemAtPosition(0); 1196 dismissDropDown(); 1197 return true; 1198 } else { 1199 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1200 if (editable.length() > tokenEnd + 1) { 1201 char charAt = editable.charAt(tokenEnd + 1); 1202 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1203 tokenEnd++; 1204 } 1205 } 1206 String text = editable.toString().substring(start, tokenEnd).trim(); 1207 clearComposingText(); 1208 if (text != null && text.length() > 0 && !text.equals(" ")) { 1209 RecipientEntry entry = createTokenizedEntry(text); 1210 if (entry != null) { 1211 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1212 CharSequence chipText = createChip(entry, false); 1213 if (chipText != null && start > -1 && end > -1) { 1214 editable.replace(start, end, chipText); 1215 } 1216 } 1217 // Only dismiss the dropdown if it is related to the text we 1218 // just committed. 1219 // For paste, it may not be as there are possibly multiple 1220 // tokens being added. 1221 if (end == getSelectionEnd()) { 1222 dismissDropDown(); 1223 } 1224 sanitizeBetween(); 1225 return true; 1226 } 1227 } 1228 return false; 1229 } 1230 1231 // Visible for testing. 1232 /* package */ void sanitizeBetween() { 1233 // Don't sanitize while we are waiting for content to chipify. 1234 if (mPendingChipsCount > 0) { 1235 return; 1236 } 1237 // Find the last chip. 1238 DrawableRecipientChip[] recips = getSortedRecipients(); 1239 if (recips != null && recips.length > 0) { 1240 DrawableRecipientChip last = recips[recips.length - 1]; 1241 DrawableRecipientChip beforeLast = null; 1242 if (recips.length > 1) { 1243 beforeLast = recips[recips.length - 2]; 1244 } 1245 int startLooking = 0; 1246 int end = getSpannable().getSpanStart(last); 1247 if (beforeLast != null) { 1248 startLooking = getSpannable().getSpanEnd(beforeLast); 1249 Editable text = getText(); 1250 if (startLooking == -1 || startLooking > text.length() - 1) { 1251 // There is nothing after this chip. 1252 return; 1253 } 1254 if (text.charAt(startLooking) == ' ') { 1255 startLooking++; 1256 } 1257 } 1258 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1259 getText().delete(startLooking, end); 1260 } 1261 } 1262 } 1263 1264 private boolean shouldCreateChip(int start, int end) { 1265 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1266 } 1267 1268 private boolean alreadyHasChip(int start, int end) { 1269 if (mNoChips) { 1270 return true; 1271 } 1272 DrawableRecipientChip[] chips = 1273 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1274 if ((chips == null || chips.length == 0)) { 1275 return false; 1276 } 1277 return true; 1278 } 1279 1280 private void handleEdit(int start, int end) { 1281 if (start == -1 || end == -1) { 1282 // This chip no longer exists in the field. 1283 dismissDropDown(); 1284 return; 1285 } 1286 // This is in the middle of a chip, so select out the whole chip 1287 // and commit it. 1288 Editable editable = getText(); 1289 setSelection(end); 1290 String text = getText().toString().substring(start, end); 1291 if (!TextUtils.isEmpty(text)) { 1292 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1293 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1294 CharSequence chipText = createChip(entry, false); 1295 int selEnd = getSelectionEnd(); 1296 if (chipText != null && start > -1 && selEnd > -1) { 1297 editable.replace(start, selEnd, chipText); 1298 } 1299 } 1300 dismissDropDown(); 1301 } 1302 1303 /** 1304 * If there is a selected chip, delegate the key events 1305 * to the selected chip. 1306 */ 1307 @Override 1308 public boolean onKeyDown(int keyCode, KeyEvent event) { 1309 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1310 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1311 mAlternatesPopup.dismiss(); 1312 } 1313 removeChip(mSelectedChip); 1314 } 1315 1316 switch (keyCode) { 1317 case KeyEvent.KEYCODE_ENTER: 1318 case KeyEvent.KEYCODE_DPAD_CENTER: 1319 if (event.hasNoModifiers()) { 1320 if (commitDefault()) { 1321 return true; 1322 } 1323 if (mSelectedChip != null) { 1324 clearSelectedChip(); 1325 return true; 1326 } else if (focusNext()) { 1327 return true; 1328 } 1329 } 1330 break; 1331 } 1332 1333 return super.onKeyDown(keyCode, event); 1334 } 1335 1336 // Visible for testing. 1337 /* package */ Spannable getSpannable() { 1338 return getText(); 1339 } 1340 1341 private int getChipStart(DrawableRecipientChip chip) { 1342 return getSpannable().getSpanStart(chip); 1343 } 1344 1345 private int getChipEnd(DrawableRecipientChip chip) { 1346 return getSpannable().getSpanEnd(chip); 1347 } 1348 1349 /** 1350 * Instead of filtering on the entire contents of the edit box, 1351 * this subclass method filters on the range from 1352 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1353 * if the length of that range meets or exceeds {@link #getThreshold} 1354 * and makes sure that the range is not already a Chip. 1355 */ 1356 @Override 1357 protected void performFiltering(CharSequence text, int keyCode) { 1358 boolean isCompletedToken = isCompletedToken(text); 1359 if (enoughToFilter() && !isCompletedToken) { 1360 int end = getSelectionEnd(); 1361 int start = mTokenizer.findTokenStart(text, end); 1362 // If this is a RecipientChip, don't filter 1363 // on its contents. 1364 Spannable span = getSpannable(); 1365 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1366 if (chips != null && chips.length > 0) { 1367 return; 1368 } 1369 } else if (isCompletedToken) { 1370 return; 1371 } 1372 super.performFiltering(text, keyCode); 1373 } 1374 1375 // Visible for testing. 1376 /*package*/ boolean isCompletedToken(CharSequence text) { 1377 if (TextUtils.isEmpty(text)) { 1378 return false; 1379 } 1380 // Check to see if this is a completed token before filtering. 1381 int end = text.length(); 1382 int start = mTokenizer.findTokenStart(text, end); 1383 String token = text.toString().substring(start, end).trim(); 1384 if (!TextUtils.isEmpty(token)) { 1385 char atEnd = token.charAt(token.length() - 1); 1386 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1387 } 1388 return false; 1389 } 1390 1391 private void clearSelectedChip() { 1392 if (mSelectedChip != null) { 1393 unselectChip(mSelectedChip); 1394 mSelectedChip = null; 1395 } 1396 setCursorVisible(true); 1397 } 1398 1399 /** 1400 * Monitor touch events in the RecipientEditTextView. 1401 * If the view does not have focus, any tap on the view 1402 * will just focus the view. If the view has focus, determine 1403 * if the touch target is a recipient chip. If it is and the chip 1404 * is not selected, select it and clear any other selected chips. 1405 * If it isn't, then select that chip. 1406 */ 1407 @Override 1408 public boolean onTouchEvent(MotionEvent event) { 1409 if (!isFocused()) { 1410 // Ignore any chip taps until this view is focused. 1411 return super.onTouchEvent(event); 1412 } 1413 boolean handled = super.onTouchEvent(event); 1414 int action = event.getAction(); 1415 boolean chipWasSelected = false; 1416 if (mSelectedChip == null) { 1417 mGestureDetector.onTouchEvent(event); 1418 } 1419 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1420 float x = event.getX(); 1421 float y = event.getY(); 1422 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1423 DrawableRecipientChip currentChip = findChip(offset); 1424 if (currentChip != null) { 1425 if (action == MotionEvent.ACTION_UP) { 1426 if (mSelectedChip != null && mSelectedChip != currentChip) { 1427 clearSelectedChip(); 1428 mSelectedChip = selectChip(currentChip); 1429 } else if (mSelectedChip == null) { 1430 setSelection(getText().length()); 1431 commitDefault(); 1432 mSelectedChip = selectChip(currentChip); 1433 } else { 1434 onClick(mSelectedChip, offset, x, y); 1435 } 1436 } 1437 chipWasSelected = true; 1438 handled = true; 1439 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1440 chipWasSelected = true; 1441 } 1442 } 1443 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1444 clearSelectedChip(); 1445 } 1446 return handled; 1447 } 1448 1449 private void scrollLineIntoView(int line) { 1450 if (mScrollView != null) { 1451 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1452 } 1453 } 1454 1455 private void showAlternates(final DrawableRecipientChip currentChip, 1456 final ListPopupWindow alternatesPopup, final int width) { 1457 new AsyncTask<Void, Void, ListAdapter>() { 1458 @Override 1459 protected ListAdapter doInBackground(final Void... params) { 1460 return createAlternatesAdapter(currentChip); 1461 } 1462 1463 @Override 1464 protected void onPostExecute(final ListAdapter result) { 1465 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1466 int bottom; 1467 if (line == getLineCount() -1) { 1468 bottom = 0; 1469 } else { 1470 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1471 .abs(getLineCount() - 1 - line))); 1472 } 1473 // Align the alternates popup with the left side of the View, 1474 // regardless of the position of the chip tapped. 1475 alternatesPopup.setWidth(width); 1476 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1477 alternatesPopup.setVerticalOffset(bottom); 1478 alternatesPopup.setAdapter(result); 1479 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1480 // Clear the checked item. 1481 mCheckedItem = -1; 1482 alternatesPopup.show(); 1483 ListView listView = alternatesPopup.getListView(); 1484 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1485 // Checked item would be -1 if the adapter has not 1486 // loaded the view that should be checked yet. The 1487 // variable will be set correctly when onCheckedItemChanged 1488 // is called in a separate thread. 1489 if (mCheckedItem != -1) { 1490 listView.setItemChecked(mCheckedItem, true); 1491 mCheckedItem = -1; 1492 } 1493 } 1494 }.execute((Void[]) null); 1495 } 1496 1497 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1498 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1499 ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1500 } 1501 1502 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1503 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1504 .getEntry()); 1505 } 1506 1507 @Override 1508 public void onCheckedItemChanged(int position) { 1509 ListView listView = mAlternatesPopup.getListView(); 1510 if (listView != null && listView.getCheckedItemCount() == 0) { 1511 listView.setItemChecked(position, true); 1512 } 1513 mCheckedItem = position; 1514 } 1515 1516 // TODO: This algorithm will need a lot of tweaking after more people have used 1517 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1518 // what comes before the finger. 1519 private int putOffsetInRange(int o) { 1520 int offset = o; 1521 Editable text = getText(); 1522 int length = text.length(); 1523 // Remove whitespace from end to find "real end" 1524 int realLength = length; 1525 for (int i = length - 1; i >= 0; i--) { 1526 if (text.charAt(i) == ' ') { 1527 realLength--; 1528 } else { 1529 break; 1530 } 1531 } 1532 1533 // If the offset is beyond or at the end of the text, 1534 // leave it alone. 1535 if (offset >= realLength) { 1536 return offset; 1537 } 1538 Editable editable = getText(); 1539 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1540 // Keep walking backward! 1541 offset--; 1542 } 1543 return offset; 1544 } 1545 1546 private static int findText(Editable text, int offset) { 1547 if (text.charAt(offset) != ' ') { 1548 return offset; 1549 } 1550 return -1; 1551 } 1552 1553 private DrawableRecipientChip findChip(int offset) { 1554 DrawableRecipientChip[] chips = 1555 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1556 // Find the chip that contains this offset. 1557 for (int i = 0; i < chips.length; i++) { 1558 DrawableRecipientChip chip = chips[i]; 1559 int start = getChipStart(chip); 1560 int end = getChipEnd(chip); 1561 if (offset >= start && offset <= end) { 1562 return chip; 1563 } 1564 } 1565 return null; 1566 } 1567 1568 // Visible for testing. 1569 // Use this method to generate text to add to the list of addresses. 1570 /* package */String createAddressText(RecipientEntry entry) { 1571 String display = entry.getDisplayName(); 1572 String address = entry.getDestination(); 1573 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1574 display = null; 1575 } 1576 String trimmedDisplayText; 1577 if (isPhoneQuery() && isPhoneNumber(address)) { 1578 trimmedDisplayText = address.trim(); 1579 } else { 1580 if (address != null) { 1581 // Tokenize out the address in case the address already 1582 // contained the username as well. 1583 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1584 if (tokenized != null && tokenized.length > 0) { 1585 address = tokenized[0].getAddress(); 1586 } 1587 } 1588 Rfc822Token token = new Rfc822Token(display, address, null); 1589 trimmedDisplayText = token.toString().trim(); 1590 } 1591 int index = trimmedDisplayText.indexOf(","); 1592 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1593 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1594 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1595 } 1596 1597 // Visible for testing. 1598 // Use this method to generate text to display in a chip. 1599 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1600 String display = entry.getDisplayName(); 1601 String address = entry.getDestination(); 1602 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1603 display = null; 1604 } 1605 if (!TextUtils.isEmpty(display)) { 1606 return display; 1607 } else if (!TextUtils.isEmpty(address)){ 1608 return address; 1609 } else { 1610 return new Rfc822Token(display, address, null).toString(); 1611 } 1612 } 1613 1614 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1615 String displayText = createAddressText(entry); 1616 if (TextUtils.isEmpty(displayText)) { 1617 return null; 1618 } 1619 SpannableString chipText = null; 1620 // Always leave a blank space at the end of a chip. 1621 int textLength = displayText.length() - 1; 1622 chipText = new SpannableString(displayText); 1623 if (!mNoChips) { 1624 try { 1625 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1626 false /* leave space for contact icon */); 1627 chipText.setSpan(chip, 0, textLength, 1628 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1629 chip.setOriginalText(chipText.toString()); 1630 } catch (NullPointerException e) { 1631 Log.e(TAG, e.getMessage(), e); 1632 return null; 1633 } 1634 } 1635 return chipText; 1636 } 1637 1638 /** 1639 * When an item in the suggestions list has been clicked, create a chip from the 1640 * contact information of the selected item. 1641 */ 1642 @Override 1643 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1644 if (position < 0) { 1645 return; 1646 } 1647 submitItemAtPosition(position); 1648 } 1649 1650 private void submitItemAtPosition(int position) { 1651 RecipientEntry entry = createValidatedEntry( 1652 (RecipientEntry)getAdapter().getItem(position)); 1653 if (entry == null) { 1654 return; 1655 } 1656 clearComposingText(); 1657 1658 int end = getSelectionEnd(); 1659 int start = mTokenizer.findTokenStart(getText(), end); 1660 1661 Editable editable = getText(); 1662 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1663 CharSequence chip = createChip(entry, false); 1664 if (chip != null && start >= 0 && end >= 0) { 1665 editable.replace(start, end, chip); 1666 } 1667 sanitizeBetween(); 1668 } 1669 1670 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1671 if (item == null) { 1672 return null; 1673 } 1674 final RecipientEntry entry; 1675 // If the display name and the address are the same, or if this is a 1676 // valid contact, but the destination is invalid, then make this a fake 1677 // recipient that is editable. 1678 String destination = item.getDestination(); 1679 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1680 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1681 destination, item.isValid()); 1682 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1683 && (TextUtils.isEmpty(item.getDisplayName()) 1684 || TextUtils.equals(item.getDisplayName(), destination) 1685 || (mValidator != null && !mValidator.isValid(destination)))) { 1686 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1687 } else { 1688 entry = item; 1689 } 1690 return entry; 1691 } 1692 1693 /** Returns a collection of contact Id for each chip inside this View. */ 1694 /* package */ Collection<Long> getContactIds() { 1695 final Set<Long> result = new HashSet<Long>(); 1696 DrawableRecipientChip[] chips = getSortedRecipients(); 1697 if (chips != null) { 1698 for (DrawableRecipientChip chip : chips) { 1699 result.add(chip.getContactId()); 1700 } 1701 } 1702 return result; 1703 } 1704 1705 1706 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1707 /* package */ Collection<Long> getDataIds() { 1708 final Set<Long> result = new HashSet<Long>(); 1709 DrawableRecipientChip [] chips = getSortedRecipients(); 1710 if (chips != null) { 1711 for (DrawableRecipientChip chip : chips) { 1712 result.add(chip.getDataId()); 1713 } 1714 } 1715 return result; 1716 } 1717 1718 // Visible for testing. 1719 /* package */DrawableRecipientChip[] getSortedRecipients() { 1720 DrawableRecipientChip[] recips = getSpannable() 1721 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1722 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1723 Arrays.asList(recips)); 1724 final Spannable spannable = getSpannable(); 1725 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1726 1727 @Override 1728 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1729 int firstStart = spannable.getSpanStart(first); 1730 int secondStart = spannable.getSpanStart(second); 1731 if (firstStart < secondStart) { 1732 return -1; 1733 } else if (firstStart > secondStart) { 1734 return 1; 1735 } else { 1736 return 0; 1737 } 1738 } 1739 }); 1740 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1741 } 1742 1743 @Override 1744 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1745 return false; 1746 } 1747 1748 @Override 1749 public void onDestroyActionMode(ActionMode mode) { 1750 } 1751 1752 @Override 1753 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1754 return false; 1755 } 1756 1757 /** 1758 * No chips are selectable. 1759 */ 1760 @Override 1761 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1762 return false; 1763 } 1764 1765 // Visible for testing. 1766 /* package */ImageSpan getMoreChip() { 1767 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1768 MoreImageSpan.class); 1769 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1770 } 1771 1772 private MoreImageSpan createMoreSpan(int count) { 1773 String moreText = String.format(mMoreItem.getText().toString(), count); 1774 TextPaint morePaint = new TextPaint(getPaint()); 1775 morePaint.setTextSize(mMoreItem.getTextSize()); 1776 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1777 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1778 + mMoreItem.getPaddingRight(); 1779 int height = getLineHeight(); 1780 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1781 Canvas canvas = new Canvas(drawable); 1782 int adjustedHeight = height; 1783 Layout layout = getLayout(); 1784 if (layout != null) { 1785 adjustedHeight -= layout.getLineDescent(0); 1786 } 1787 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1788 1789 Drawable result = new BitmapDrawable(getResources(), drawable); 1790 result.setBounds(0, 0, width, height); 1791 return new MoreImageSpan(result); 1792 } 1793 1794 // Visible for testing. 1795 /*package*/ void createMoreChipPlainText() { 1796 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1797 Editable text = getText(); 1798 int start = 0; 1799 int end = start; 1800 for (int i = 0; i < CHIP_LIMIT; i++) { 1801 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1802 start = end; // move to the next token and get its end. 1803 } 1804 // Now, count total addresses. 1805 start = 0; 1806 int tokenCount = countTokens(text); 1807 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1808 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1809 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1810 text.replace(end, text.length(), chipText); 1811 mMoreChip = moreSpan; 1812 } 1813 1814 // Visible for testing. 1815 /* package */int countTokens(Editable text) { 1816 int tokenCount = 0; 1817 int start = 0; 1818 while (start < text.length()) { 1819 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1820 tokenCount++; 1821 if (start >= text.length()) { 1822 break; 1823 } 1824 } 1825 return tokenCount; 1826 } 1827 1828 /** 1829 * Create the more chip. The more chip is text that replaces any chips that 1830 * do not fit in the pre-defined available space when the 1831 * RecipientEditTextView loses focus. 1832 */ 1833 // Visible for testing. 1834 /* package */ void createMoreChip() { 1835 if (mNoChips) { 1836 createMoreChipPlainText(); 1837 return; 1838 } 1839 1840 if (!mShouldShrink) { 1841 return; 1842 } 1843 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1844 if (tempMore.length > 0) { 1845 getSpannable().removeSpan(tempMore[0]); 1846 } 1847 DrawableRecipientChip[] recipients = getSortedRecipients(); 1848 1849 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1850 mMoreChip = null; 1851 return; 1852 } 1853 Spannable spannable = getSpannable(); 1854 int numRecipients = recipients.length; 1855 int overage = numRecipients - CHIP_LIMIT; 1856 MoreImageSpan moreSpan = createMoreSpan(overage); 1857 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1858 int totalReplaceStart = 0; 1859 int totalReplaceEnd = 0; 1860 Editable text = getText(); 1861 for (int i = numRecipients - overage; i < recipients.length; i++) { 1862 mRemovedSpans.add(recipients[i]); 1863 if (i == numRecipients - overage) { 1864 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1865 } 1866 if (i == recipients.length - 1) { 1867 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1868 } 1869 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1870 int spanStart = spannable.getSpanStart(recipients[i]); 1871 int spanEnd = spannable.getSpanEnd(recipients[i]); 1872 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1873 } 1874 spannable.removeSpan(recipients[i]); 1875 } 1876 if (totalReplaceEnd < text.length()) { 1877 totalReplaceEnd = text.length(); 1878 } 1879 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1880 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1881 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1882 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1883 text.replace(start, end, chipText); 1884 mMoreChip = moreSpan; 1885 // If adding the +more chip goes over the limit, resize accordingly. 1886 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1887 setMaxLines(getLineCount()); 1888 } 1889 } 1890 1891 /** 1892 * Replace the more chip, if it exists, with all of the recipient chips it had 1893 * replaced when the RecipientEditTextView gains focus. 1894 */ 1895 // Visible for testing. 1896 /*package*/ void removeMoreChip() { 1897 if (mMoreChip != null) { 1898 Spannable span = getSpannable(); 1899 span.removeSpan(mMoreChip); 1900 mMoreChip = null; 1901 // Re-add the spans that were removed. 1902 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1903 // Recreate each removed span. 1904 DrawableRecipientChip[] recipients = getSortedRecipients(); 1905 // Start the search for tokens after the last currently visible 1906 // chip. 1907 if (recipients == null || recipients.length == 0) { 1908 return; 1909 } 1910 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1911 Editable editable = getText(); 1912 for (DrawableRecipientChip chip : mRemovedSpans) { 1913 int chipStart; 1914 int chipEnd; 1915 String token; 1916 // Need to find the location of the chip, again. 1917 token = (String) chip.getOriginalText(); 1918 // As we find the matching recipient for the remove spans, 1919 // reduce the size of the string we need to search. 1920 // That way, if there are duplicates, we always find the correct 1921 // recipient. 1922 chipStart = editable.toString().indexOf(token, end); 1923 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1924 // Only set the span if we found a matching token. 1925 if (chipStart != -1) { 1926 editable.setSpan(chip, chipStart, chipEnd, 1927 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1928 } 1929 } 1930 mRemovedSpans.clear(); 1931 } 1932 } 1933 } 1934 1935 /** 1936 * Show specified chip as selected. If the RecipientChip is just an email address, 1937 * selecting the chip will take the contents of the chip and place it at 1938 * the end of the RecipientEditTextView for inline editing. If the 1939 * RecipientChip is a complete contact, then selecting the chip 1940 * will change the background color of the chip, show the delete icon, 1941 * and a popup window with the address in use highlighted and any other 1942 * alternate addresses for the contact. 1943 * @param currentChip Chip to select. 1944 * @return A RecipientChip in the selected state or null if the chip 1945 * just contained an email address. 1946 */ 1947 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 1948 if (shouldShowEditableText(currentChip)) { 1949 CharSequence text = currentChip.getValue(); 1950 Editable editable = getText(); 1951 Spannable spannable = getSpannable(); 1952 int spanStart = spannable.getSpanStart(currentChip); 1953 int spanEnd = spannable.getSpanEnd(currentChip); 1954 spannable.removeSpan(currentChip); 1955 editable.delete(spanStart, spanEnd); 1956 setCursorVisible(true); 1957 setSelection(editable.length()); 1958 editable.append(text); 1959 return constructChipSpan( 1960 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1961 true, false); 1962 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1963 int start = getChipStart(currentChip); 1964 int end = getChipEnd(currentChip); 1965 getSpannable().removeSpan(currentChip); 1966 DrawableRecipientChip newChip; 1967 try { 1968 if (mNoChips) { 1969 return null; 1970 } 1971 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1972 } catch (NullPointerException e) { 1973 Log.e(TAG, e.getMessage(), e); 1974 return null; 1975 } 1976 Editable editable = getText(); 1977 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1978 if (start == -1 || end == -1) { 1979 Log.d(TAG, "The chip being selected no longer exists but should."); 1980 } else { 1981 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1982 } 1983 newChip.setSelected(true); 1984 if (shouldShowEditableText(newChip)) { 1985 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1986 } 1987 showAddress(newChip, mAddressPopup, getWidth()); 1988 setCursorVisible(false); 1989 return newChip; 1990 } else { 1991 int start = getChipStart(currentChip); 1992 int end = getChipEnd(currentChip); 1993 getSpannable().removeSpan(currentChip); 1994 DrawableRecipientChip newChip; 1995 try { 1996 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1997 } catch (NullPointerException e) { 1998 Log.e(TAG, e.getMessage(), e); 1999 return null; 2000 } 2001 Editable editable = getText(); 2002 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2003 if (start == -1 || end == -1) { 2004 Log.d(TAG, "The chip being selected no longer exists but should."); 2005 } else { 2006 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2007 } 2008 newChip.setSelected(true); 2009 if (shouldShowEditableText(newChip)) { 2010 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2011 } 2012 showAlternates(newChip, mAlternatesPopup, getWidth()); 2013 setCursorVisible(false); 2014 return newChip; 2015 } 2016 } 2017 2018 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2019 long contactId = currentChip.getContactId(); 2020 return contactId == RecipientEntry.INVALID_CONTACT 2021 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2022 } 2023 2024 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2025 int width) { 2026 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2027 int bottom = calculateOffsetFromBottom(line); 2028 // Align the alternates popup with the left side of the View, 2029 // regardless of the position of the chip tapped. 2030 popup.setWidth(width); 2031 popup.setAnchorView(this); 2032 popup.setVerticalOffset(bottom); 2033 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2034 popup.setOnItemClickListener(new OnItemClickListener() { 2035 @Override 2036 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2037 unselectChip(currentChip); 2038 popup.dismiss(); 2039 } 2040 }); 2041 popup.show(); 2042 ListView listView = popup.getListView(); 2043 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2044 listView.setItemChecked(0, true); 2045 } 2046 2047 /** 2048 * Remove selection from this chip. Unselecting a RecipientChip will render 2049 * the chip without a delete icon and with an unfocused background. This is 2050 * called when the RecipientChip no longer has focus. 2051 */ 2052 private void unselectChip(DrawableRecipientChip chip) { 2053 int start = getChipStart(chip); 2054 int end = getChipEnd(chip); 2055 Editable editable = getText(); 2056 mSelectedChip = null; 2057 if (start == -1 || end == -1) { 2058 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2059 setSelection(editable.length()); 2060 commitDefault(); 2061 } else { 2062 getSpannable().removeSpan(chip); 2063 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2064 editable.removeSpan(chip); 2065 try { 2066 if (!mNoChips) { 2067 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2068 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2069 } 2070 } catch (NullPointerException e) { 2071 Log.e(TAG, e.getMessage(), e); 2072 } 2073 } 2074 setCursorVisible(true); 2075 setSelection(editable.length()); 2076 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2077 mAlternatesPopup.dismiss(); 2078 } 2079 } 2080 2081 /** 2082 * Return whether a touch event was inside the delete target of 2083 * a selected chip. It is in the delete target if: 2084 * 1) the x and y points of the event are within the 2085 * delete assset. 2086 * 2) the point tapped would have caused a cursor to appear 2087 * right after the selected chip. 2088 * @return boolean 2089 */ 2090 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2091 // Figure out the bounds of this chip and whether or not 2092 // the user clicked in the X portion. 2093 // TODO: Should x and y be used, or removed? 2094 return chip.isSelected() && offset == getChipEnd(chip); 2095 } 2096 2097 /** 2098 * Remove the chip and any text associated with it from the RecipientEditTextView. 2099 */ 2100 // Visible for testing. 2101 /*pacakge*/ void removeChip(DrawableRecipientChip chip) { 2102 Spannable spannable = getSpannable(); 2103 int spanStart = spannable.getSpanStart(chip); 2104 int spanEnd = spannable.getSpanEnd(chip); 2105 Editable text = getText(); 2106 int toDelete = spanEnd; 2107 boolean wasSelected = chip == mSelectedChip; 2108 // Clear that there is a selected chip before updating any text. 2109 if (wasSelected) { 2110 mSelectedChip = null; 2111 } 2112 // Always remove trailing spaces when removing a chip. 2113 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2114 toDelete++; 2115 } 2116 spannable.removeSpan(chip); 2117 if (spanStart >= 0 && toDelete > 0) { 2118 text.delete(spanStart, toDelete); 2119 } 2120 if (wasSelected) { 2121 clearSelectedChip(); 2122 } 2123 } 2124 2125 /** 2126 * Replace this currently selected chip with a new chip 2127 * that uses the contact data provided. 2128 */ 2129 // Visible for testing. 2130 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2131 boolean wasSelected = chip == mSelectedChip; 2132 if (wasSelected) { 2133 mSelectedChip = null; 2134 } 2135 int start = getChipStart(chip); 2136 int end = getChipEnd(chip); 2137 getSpannable().removeSpan(chip); 2138 Editable editable = getText(); 2139 CharSequence chipText = createChip(entry, false); 2140 if (chipText != null) { 2141 if (start == -1 || end == -1) { 2142 Log.e(TAG, "The chip to replace does not exist but should."); 2143 editable.insert(0, chipText); 2144 } else { 2145 if (!TextUtils.isEmpty(chipText)) { 2146 // There may be a space to replace with this chip's new 2147 // associated space. Check for it 2148 int toReplace = end; 2149 while (toReplace >= 0 && toReplace < editable.length() 2150 && editable.charAt(toReplace) == ' ') { 2151 toReplace++; 2152 } 2153 editable.replace(start, toReplace, chipText); 2154 } 2155 } 2156 } 2157 setCursorVisible(true); 2158 if (wasSelected) { 2159 clearSelectedChip(); 2160 } 2161 } 2162 2163 /** 2164 * Handle click events for a chip. When a selected chip receives a click 2165 * event, see if that event was in the delete icon. If so, delete it. 2166 * Otherwise, unselect the chip. 2167 */ 2168 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2169 if (chip.isSelected()) { 2170 if (isInDelete(chip, offset, x, y)) { 2171 removeChip(chip); 2172 } else { 2173 clearSelectedChip(); 2174 } 2175 } 2176 } 2177 2178 private boolean chipsPending() { 2179 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2180 } 2181 2182 @Override 2183 public void removeTextChangedListener(TextWatcher watcher) { 2184 mTextWatcher = null; 2185 super.removeTextChangedListener(watcher); 2186 } 2187 2188 private class RecipientTextWatcher implements TextWatcher { 2189 2190 @Override 2191 public void afterTextChanged(Editable s) { 2192 // If the text has been set to null or empty, make sure we remove 2193 // all the spans we applied. 2194 if (TextUtils.isEmpty(s)) { 2195 // Remove all the chips spans. 2196 Spannable spannable = getSpannable(); 2197 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2198 DrawableRecipientChip.class); 2199 for (DrawableRecipientChip chip : chips) { 2200 spannable.removeSpan(chip); 2201 } 2202 if (mMoreChip != null) { 2203 spannable.removeSpan(mMoreChip); 2204 } 2205 return; 2206 } 2207 // Get whether there are any recipients pending addition to the 2208 // view. If there are, don't do anything in the text watcher. 2209 if (chipsPending()) { 2210 return; 2211 } 2212 // If the user is editing a chip, don't clear it. 2213 if (mSelectedChip != null) { 2214 if (!isGeneratedContact(mSelectedChip)) { 2215 setCursorVisible(true); 2216 setSelection(getText().length()); 2217 clearSelectedChip(); 2218 } else { 2219 return; 2220 } 2221 } 2222 int length = s.length(); 2223 // Make sure there is content there to parse and that it is 2224 // not just the commit character. 2225 if (length > 1) { 2226 if (lastCharacterIsCommitCharacter(s)) { 2227 commitByCharacter(); 2228 return; 2229 } 2230 char last; 2231 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2232 int len = length() - 1; 2233 if (end != len) { 2234 last = s.charAt(end); 2235 } else { 2236 last = s.charAt(len); 2237 } 2238 if (last == COMMIT_CHAR_SPACE) { 2239 if (!isPhoneQuery()) { 2240 // Check if this is a valid email address. If it is, 2241 // commit it. 2242 String text = getText().toString(); 2243 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2244 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2245 tokenStart)); 2246 if (!TextUtils.isEmpty(sub) && mValidator != null && 2247 mValidator.isValid(sub)) { 2248 commitByCharacter(); 2249 } 2250 } 2251 } 2252 } 2253 } 2254 2255 @Override 2256 public void onTextChanged(CharSequence s, int start, int before, int count) { 2257 // The user deleted some text OR some text was replaced; check to 2258 // see if the insertion point is on a space 2259 // following a chip. 2260 if (before - count == 1) { 2261 // If the item deleted is a space, and the thing before the 2262 // space is a chip, delete the entire span. 2263 int selStart = getSelectionStart(); 2264 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2265 DrawableRecipientChip.class); 2266 if (repl.length > 0) { 2267 // There is a chip there! Just remove it. 2268 Editable editable = getText(); 2269 // Add the separator token. 2270 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2271 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2272 tokenEnd = tokenEnd + 1; 2273 if (tokenEnd > editable.length()) { 2274 tokenEnd = editable.length(); 2275 } 2276 editable.delete(tokenStart, tokenEnd); 2277 getSpannable().removeSpan(repl[0]); 2278 } 2279 } else if (count > before) { 2280 if (mSelectedChip != null 2281 && isGeneratedContact(mSelectedChip)) { 2282 if (lastCharacterIsCommitCharacter(s)) { 2283 commitByCharacter(); 2284 return; 2285 } 2286 } 2287 } 2288 } 2289 2290 @Override 2291 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2292 // Do nothing. 2293 } 2294 } 2295 2296 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2297 char last; 2298 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2299 int len = length() - 1; 2300 if (end != len) { 2301 last = s.charAt(end); 2302 } else { 2303 last = s.charAt(len); 2304 } 2305 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2306 } 2307 2308 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2309 long contactId = chip.getContactId(); 2310 return contactId == RecipientEntry.INVALID_CONTACT 2311 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2312 } 2313 2314 /** 2315 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2316 */ 2317 private void handlePasteClip(ClipData clip) { 2318 removeTextChangedListener(mTextWatcher); 2319 2320 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2321 for (int i = 0; i < clip.getItemCount(); i++) { 2322 CharSequence paste = clip.getItemAt(i).getText(); 2323 if (paste != null) { 2324 int start = getSelectionStart(); 2325 int end = getSelectionEnd(); 2326 Editable editable = getText(); 2327 if (start >= 0 && end >= 0 && start != end) { 2328 editable.append(paste, start, end); 2329 } else { 2330 editable.insert(end, paste); 2331 } 2332 handlePasteAndReplace(); 2333 } 2334 } 2335 } 2336 2337 mHandler.post(mAddTextWatcher); 2338 } 2339 2340 @Override 2341 public boolean onTextContextMenuItem(int id) { 2342 if (id == android.R.id.paste) { 2343 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2344 Context.CLIPBOARD_SERVICE); 2345 handlePasteClip(clipboard.getPrimaryClip()); 2346 return true; 2347 } 2348 return super.onTextContextMenuItem(id); 2349 } 2350 2351 private void handlePasteAndReplace() { 2352 ArrayList<DrawableRecipientChip> created = handlePaste(); 2353 if (created != null && created.size() > 0) { 2354 // Perform reverse lookups on the pasted contacts. 2355 IndividualReplacementTask replace = new IndividualReplacementTask(); 2356 replace.execute(created); 2357 } 2358 } 2359 2360 // Visible for testing. 2361 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2362 String text = getText().toString(); 2363 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2364 String lastAddress = text.substring(originalTokenStart); 2365 int tokenStart = originalTokenStart; 2366 int prevTokenStart = 0; 2367 DrawableRecipientChip findChip = null; 2368 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2369 if (tokenStart != 0) { 2370 // There are things before this! 2371 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2372 prevTokenStart = tokenStart; 2373 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2374 findChip = findChip(tokenStart); 2375 if (tokenStart == originalTokenStart && findChip == null) { 2376 break; 2377 } 2378 } 2379 if (tokenStart != originalTokenStart) { 2380 if (findChip != null) { 2381 tokenStart = prevTokenStart; 2382 } 2383 int tokenEnd; 2384 DrawableRecipientChip createdChip; 2385 while (tokenStart < originalTokenStart) { 2386 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2387 tokenStart)); 2388 commitChip(tokenStart, tokenEnd, getText()); 2389 createdChip = findChip(tokenStart); 2390 if (createdChip == null) { 2391 break; 2392 } 2393 // +1 for the space at the end. 2394 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2395 created.add(createdChip); 2396 } 2397 } 2398 } 2399 // Take a look at the last token. If the token has been completed with a 2400 // commit character, create a chip. 2401 if (isCompletedToken(lastAddress)) { 2402 Editable editable = getText(); 2403 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2404 commitChip(tokenStart, editable.length(), editable); 2405 created.add(findChip(tokenStart)); 2406 } 2407 return created; 2408 } 2409 2410 // Visible for testing. 2411 /* package */int movePastTerminators(int tokenEnd) { 2412 if (tokenEnd >= length()) { 2413 return tokenEnd; 2414 } 2415 char atEnd = getText().toString().charAt(tokenEnd); 2416 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2417 tokenEnd++; 2418 } 2419 // This token had not only an end token character, but also a space 2420 // separating it from the next token. 2421 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2422 tokenEnd++; 2423 } 2424 return tokenEnd; 2425 } 2426 2427 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2428 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2429 try { 2430 if (mNoChips) { 2431 return null; 2432 } 2433 return constructChipSpan(entry, false, 2434 false /*leave space for contact icon */); 2435 } catch (NullPointerException e) { 2436 Log.e(TAG, e.getMessage(), e); 2437 return null; 2438 } 2439 } 2440 2441 @Override 2442 protected void onPreExecute() { 2443 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2444 // replaced 2445 final List<DrawableRecipientChip> originalRecipients = 2446 new ArrayList<DrawableRecipientChip>(); 2447 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2448 for (int i = 0; i < existingChips.length; i++) { 2449 originalRecipients.add(existingChips[i]); 2450 } 2451 if (mRemovedSpans != null) { 2452 originalRecipients.addAll(mRemovedSpans); 2453 } 2454 2455 final List<DrawableRecipientChip> replacements = 2456 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2457 2458 for (final DrawableRecipientChip chip : originalRecipients) { 2459 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2460 && getSpannable().getSpanStart(chip) != -1) { 2461 replacements.add(createFreeChip(chip.getEntry())); 2462 } else { 2463 replacements.add(null); 2464 } 2465 } 2466 2467 processReplacements(originalRecipients, replacements); 2468 } 2469 2470 @Override 2471 protected Void doInBackground(Void... params) { 2472 if (mIndividualReplacements != null) { 2473 mIndividualReplacements.cancel(true); 2474 } 2475 // For each chip in the list, look up the matching contact. 2476 // If there is a match, replace that chip with the matching 2477 // chip. 2478 final ArrayList<DrawableRecipientChip> recipients = 2479 new ArrayList<DrawableRecipientChip>(); 2480 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2481 for (int i = 0; i < existingChips.length; i++) { 2482 recipients.add(existingChips[i]); 2483 } 2484 if (mRemovedSpans != null) { 2485 recipients.addAll(mRemovedSpans); 2486 } 2487 ArrayList<String> addresses = new ArrayList<String>(); 2488 DrawableRecipientChip chip; 2489 for (int i = 0; i < recipients.size(); i++) { 2490 chip = recipients.get(i); 2491 if (chip != null) { 2492 addresses.add(createAddressText(chip.getEntry())); 2493 } 2494 } 2495 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2496 if (adapter == null) { 2497 Log.wtf(TAG, "My assumption that this was fixed is wrong."); 2498 return null; 2499 } 2500 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2501 adapter.getAccount(), new RecipientMatchCallback() { 2502 @Override 2503 public void matchesFound(Map<String, RecipientEntry> entries) { 2504 final ArrayList<DrawableRecipientChip> replacements = 2505 new ArrayList<DrawableRecipientChip>(); 2506 for (final DrawableRecipientChip temp : recipients) { 2507 RecipientEntry entry = null; 2508 if (temp != null && RecipientEntry.isCreatedRecipient( 2509 temp.getEntry().getContactId()) 2510 && getSpannable().getSpanStart(temp) != -1) { 2511 // Replace this. 2512 entry = createValidatedEntry( 2513 entries.get(tokenizeAddress(temp.getEntry() 2514 .getDestination()))); 2515 } 2516 if (entry != null) { 2517 replacements.add(createFreeChip(entry)); 2518 } else { 2519 replacements.add(null); 2520 } 2521 } 2522 processReplacements(recipients, replacements); 2523 } 2524 2525 @Override 2526 public void matchesNotFound(final Set<String> unfoundAddresses) { 2527 final List<DrawableRecipientChip> replacements = 2528 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2529 2530 for (final DrawableRecipientChip temp : recipients) { 2531 if (temp != null && RecipientEntry.isCreatedRecipient( 2532 temp.getEntry().getContactId()) 2533 && getSpannable().getSpanStart(temp) != -1) { 2534 if (unfoundAddresses.contains( 2535 temp.getEntry().getDestination())) { 2536 replacements.add(createFreeChip(temp.getEntry())); 2537 } else { 2538 replacements.add(null); 2539 } 2540 } else { 2541 replacements.add(null); 2542 } 2543 } 2544 2545 processReplacements(recipients, replacements); 2546 } 2547 }); 2548 return null; 2549 } 2550 2551 private void processReplacements(final List<DrawableRecipientChip> recipients, 2552 final List<DrawableRecipientChip> replacements) { 2553 if (replacements != null && replacements.size() > 0) { 2554 final Runnable runnable = new Runnable() { 2555 @Override 2556 public void run() { 2557 final Editable text = new SpannableStringBuilder(getText()); 2558 int i = 0; 2559 for (final DrawableRecipientChip chip : recipients) { 2560 final DrawableRecipientChip replacement = replacements.get(i); 2561 if (replacement != null) { 2562 final RecipientEntry oldEntry = chip.getEntry(); 2563 final RecipientEntry newEntry = replacement.getEntry(); 2564 final boolean isBetter = 2565 RecipientAlternatesAdapter.getBetterRecipient( 2566 oldEntry, newEntry) == newEntry; 2567 2568 if (isBetter) { 2569 // Find the location of the chip in the text currently shown. 2570 final int start = text.getSpanStart(chip); 2571 if (start != -1) { 2572 // Replacing the entirety of what the chip represented, 2573 // including the extra space dividing it from other chips. 2574 final int end = 2575 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2576 text.removeSpan(chip); 2577 // Make sure we always have just 1 space at the end to 2578 // separate this chip from the next chip. 2579 final SpannableString displayText = 2580 new SpannableString(createAddressText( 2581 replacement.getEntry()).trim() + " "); 2582 displayText.setSpan(replacement, 0, 2583 displayText.length() - 1, 2584 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2585 // Replace the old text we found with with the new display 2586 // text, which now may also contain the display name of the 2587 // recipient. 2588 text.replace(start, end, displayText); 2589 replacement.setOriginalText(displayText.toString()); 2590 replacements.set(i, null); 2591 2592 recipients.set(i, replacement); 2593 } 2594 } 2595 } 2596 i++; 2597 } 2598 setText(text); 2599 } 2600 }; 2601 2602 if (Looper.myLooper() == Looper.getMainLooper()) { 2603 runnable.run(); 2604 } else { 2605 mHandler.post(runnable); 2606 } 2607 } 2608 } 2609 } 2610 2611 private class IndividualReplacementTask 2612 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2613 @Override 2614 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2615 // For each chip in the list, look up the matching contact. 2616 // If there is a match, replace that chip with the matching 2617 // chip. 2618 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2619 ArrayList<String> addresses = new ArrayList<String>(); 2620 DrawableRecipientChip chip; 2621 for (int i = 0; i < originalRecipients.size(); i++) { 2622 chip = originalRecipients.get(i); 2623 if (chip != null) { 2624 addresses.add(createAddressText(chip.getEntry())); 2625 } 2626 } 2627 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2628 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2629 new RecipientMatchCallback() { 2630 2631 @Override 2632 public void matchesFound(Map<String, RecipientEntry> entries) { 2633 for (final DrawableRecipientChip temp : originalRecipients) { 2634 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2635 .getContactId()) 2636 && getSpannable().getSpanStart(temp) != -1) { 2637 // Replace this. 2638 RecipientEntry entry = createValidatedEntry(entries 2639 .get(tokenizeAddress(temp.getEntry().getDestination()) 2640 .toLowerCase())); 2641 // If we don't have a validated contact 2642 // match, just use the 2643 // entry as it existed before. 2644 if (entry == null && !isPhoneQuery()) { 2645 entry = temp.getEntry(); 2646 } 2647 final RecipientEntry tempEntry = entry; 2648 if (tempEntry != null) { 2649 mHandler.post(new Runnable() { 2650 @Override 2651 public void run() { 2652 replaceChip(temp, tempEntry); 2653 } 2654 }); 2655 } 2656 } 2657 } 2658 } 2659 2660 @Override 2661 public void matchesNotFound(final Set<String> unfoundAddresses) { 2662 // No action required 2663 } 2664 }); 2665 return null; 2666 } 2667 } 2668 2669 2670 /** 2671 * MoreImageSpan is a simple class created for tracking the existence of a 2672 * more chip across activity restarts/ 2673 */ 2674 private class MoreImageSpan extends ImageSpan { 2675 public MoreImageSpan(Drawable b) { 2676 super(b); 2677 } 2678 } 2679 2680 @Override 2681 public boolean onDown(MotionEvent e) { 2682 return false; 2683 } 2684 2685 @Override 2686 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2687 // Do nothing. 2688 return false; 2689 } 2690 2691 @Override 2692 public void onLongPress(MotionEvent event) { 2693 if (mSelectedChip != null) { 2694 return; 2695 } 2696 float x = event.getX(); 2697 float y = event.getY(); 2698 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2699 DrawableRecipientChip currentChip = findChip(offset); 2700 if (currentChip != null) { 2701 if (mDragEnabled) { 2702 // Start drag-and-drop for the selected chip. 2703 startDrag(currentChip); 2704 } else { 2705 // Copy the selected chip email address. 2706 showCopyDialog(currentChip.getEntry().getDestination()); 2707 } 2708 } 2709 } 2710 2711 /** 2712 * Enables drag-and-drop for chips. 2713 */ 2714 public void enableDrag() { 2715 mDragEnabled = true; 2716 } 2717 2718 /** 2719 * Starts drag-and-drop for the selected chip. 2720 */ 2721 private void startDrag(DrawableRecipientChip currentChip) { 2722 String address = currentChip.getEntry().getDestination(); 2723 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2724 2725 // Start drag mode. 2726 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2727 2728 // Remove the current chip, so drag-and-drop will result in a move. 2729 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2730 removeChip(currentChip); 2731 } 2732 2733 /** 2734 * Handles drag event. 2735 */ 2736 @Override 2737 public boolean onDragEvent(DragEvent event) { 2738 switch (event.getAction()) { 2739 case DragEvent.ACTION_DRAG_STARTED: 2740 // Only handle plain text drag and drop. 2741 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2742 case DragEvent.ACTION_DRAG_ENTERED: 2743 requestFocus(); 2744 return true; 2745 case DragEvent.ACTION_DROP: 2746 handlePasteClip(event.getClipData()); 2747 return true; 2748 } 2749 return false; 2750 } 2751 2752 /** 2753 * Drag shadow for a {@link RecipientChip}. 2754 */ 2755 private final class RecipientChipShadow extends DragShadowBuilder { 2756 private final DrawableRecipientChip mChip; 2757 2758 public RecipientChipShadow(DrawableRecipientChip chip) { 2759 mChip = chip; 2760 } 2761 2762 @Override 2763 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2764 Rect rect = mChip.getBounds(); 2765 shadowSize.set(rect.width(), rect.height()); 2766 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2767 } 2768 2769 @Override 2770 public void onDrawShadow(Canvas canvas) { 2771 mChip.draw(canvas); 2772 } 2773 } 2774 2775 private void showCopyDialog(final String address) { 2776 mCopyAddress = address; 2777 mCopyDialog.setTitle(address); 2778 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2779 mCopyDialog.setCancelable(true); 2780 mCopyDialog.setCanceledOnTouchOutside(true); 2781 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2782 button.setOnClickListener(this); 2783 int btnTitleId; 2784 if (isPhoneQuery()) { 2785 btnTitleId = R.string.copy_number; 2786 } else { 2787 btnTitleId = R.string.copy_email; 2788 } 2789 String buttonTitle = getContext().getResources().getString(btnTitleId); 2790 button.setText(buttonTitle); 2791 mCopyDialog.setOnDismissListener(this); 2792 mCopyDialog.show(); 2793 } 2794 2795 @Override 2796 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2797 // Do nothing. 2798 return false; 2799 } 2800 2801 @Override 2802 public void onShowPress(MotionEvent e) { 2803 // Do nothing. 2804 } 2805 2806 @Override 2807 public boolean onSingleTapUp(MotionEvent e) { 2808 // Do nothing. 2809 return false; 2810 } 2811 2812 @Override 2813 public void onDismiss(DialogInterface dialog) { 2814 mCopyAddress = null; 2815 } 2816 2817 @Override 2818 public void onClick(View v) { 2819 // Copy this to the clipboard. 2820 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2821 Context.CLIPBOARD_SERVICE); 2822 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2823 mCopyDialog.dismiss(); 2824 } 2825 2826 protected boolean isPhoneQuery() { 2827 return getAdapter() != null 2828 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2829 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2830 } 2831} 2832