RecipientEditTextView.java revision d215b8fd8911e0c0c85947fd6b8f774b021f97a7
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.content.res.Resources; 27import android.content.res.TypedArray; 28import android.graphics.Bitmap; 29import android.graphics.BitmapFactory; 30import android.graphics.Canvas; 31import android.graphics.Matrix; 32import android.graphics.Point; 33import android.graphics.Rect; 34import android.graphics.RectF; 35import android.graphics.drawable.BitmapDrawable; 36import android.graphics.drawable.Drawable; 37import android.os.AsyncTask; 38import android.os.Handler; 39import android.os.Looper; 40import android.os.Message; 41import android.os.Parcelable; 42import android.text.Editable; 43import android.text.InputType; 44import android.text.Layout; 45import android.text.Spannable; 46import android.text.SpannableString; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.TypedValue; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.Filterable; 76import android.widget.ListAdapter; 77import android.widget.ListPopupWindow; 78import android.widget.ListView; 79import android.widget.MultiAutoCompleteTextView; 80import android.widget.ScrollView; 81import android.widget.TextView; 82 83import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 84 85import java.util.ArrayList; 86import java.util.Arrays; 87import java.util.Collection; 88import java.util.Collections; 89import java.util.Comparator; 90import java.util.HashSet; 91import java.util.List; 92import java.util.Map; 93import java.util.Set; 94import java.util.regex.Matcher; 95import java.util.regex.Pattern; 96 97/** 98 * RecipientEditTextView is an auto complete text view for use with applications 99 * that use the new Chips UI for addressing a message to recipients. 100 */ 101public class RecipientEditTextView extends MultiAutoCompleteTextView implements 102 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 103 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 104 TextView.OnEditorActionListener { 105 106 private static final char COMMIT_CHAR_COMMA = ','; 107 108 private static final char NAME_WRAPPER_CHAR = '"'; 109 110 private static final char COMMIT_CHAR_SEMICOLON = ';'; 111 112 private static final char COMMIT_CHAR_SPACE = ' '; 113 114 private static final String TAG = "RecipientEditTextView"; 115 116 private static int DISMISS = "dismiss".hashCode(); 117 118 private static final long DISMISS_DELAY = 300; 119 120 // TODO: get correct number/ algorithm from with UX. 121 // Visible for testing. 122 /*package*/ static final int CHIP_LIMIT = 2; 123 124 private static final int MAX_CHIPS_PARSED = 50; 125 126 private static int sSelectedTextColor = -1; 127 128 // Resources for displaying chips. 129 private Drawable mChipBackground = null; 130 131 private Drawable mChipDelete = null; 132 133 private Drawable mInvalidChipBackground; 134 135 private Drawable mChipBackgroundPressed; 136 137 private float mChipHeight; 138 139 private float mChipFontSize; 140 141 private float mLineSpacingExtra; 142 143 private int mChipPadding; 144 145 private Tokenizer mTokenizer; 146 147 private Validator mValidator; 148 149 private RecipientChip mSelectedChip; 150 151 private int mAlternatesLayout; 152 153 private Bitmap mDefaultContactPhoto; 154 155 private ImageSpan mMoreChip; 156 157 private TextView mMoreItem; 158 159 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 160 161 private Handler mHandler; 162 163 private int mPendingChipsCount = 0; 164 165 private boolean mNoChips = false; 166 167 private ListPopupWindow mAlternatesPopup; 168 169 private ListPopupWindow mAddressPopup; 170 171 private ArrayList<RecipientChip> mTemporaryRecipients; 172 173 private ArrayList<RecipientChip> mRemovedSpans; 174 175 private boolean mShouldShrink = true; 176 177 // Chip copy fields. 178 private GestureDetector mGestureDetector; 179 180 private Dialog mCopyDialog; 181 182 private String mCopyAddress; 183 184 /** 185 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 186 * selected chip. 187 */ 188 private OnItemClickListener mAlternatesListener; 189 190 private int mCheckedItem; 191 192 private TextWatcher mTextWatcher; 193 194 // Obtain the enclosing scroll view, if it exists, so that the view can be 195 // scrolled to show the last line of chips content. 196 private ScrollView mScrollView; 197 198 private boolean mTriedGettingScrollView; 199 200 private boolean mDragEnabled = false; 201 202 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 203 // parens, so numbers such as "1 (425) 222-2342" match. 204 private static final Pattern PHONE_PATTERN 205 = Pattern.compile( // sdd = space, dot, or dash 206 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 207 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 208 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 209 210 private final Runnable mAddTextWatcher = new Runnable() { 211 @Override 212 public void run() { 213 if (mTextWatcher == null) { 214 mTextWatcher = new RecipientTextWatcher(); 215 addTextChangedListener(mTextWatcher); 216 } 217 } 218 }; 219 220 private IndividualReplacementTask mIndividualReplacements; 221 222 private Runnable mHandlePendingChips = new Runnable() { 223 224 @Override 225 public void run() { 226 handlePendingChips(); 227 } 228 229 }; 230 231 private Runnable mDelayedShrink = new Runnable() { 232 233 @Override 234 public void run() { 235 shrink(); 236 } 237 238 }; 239 240 private int mMaxLines; 241 242 private static int sExcessTopPadding = -1; 243 244 private int mActionBarHeight; 245 246 public RecipientEditTextView(Context context, AttributeSet attrs) { 247 super(context, attrs); 248 setChipDimensions(context, attrs); 249 if (sSelectedTextColor == -1) { 250 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 251 } 252 mAlternatesPopup = new ListPopupWindow(context); 253 mAddressPopup = new ListPopupWindow(context); 254 mCopyDialog = new Dialog(context); 255 mAlternatesListener = new OnItemClickListener() { 256 @Override 257 public void onItemClick(AdapterView<?> adapterView,View view, int position, 258 long rowId) { 259 mAlternatesPopup.setOnItemClickListener(null); 260 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 261 .getRecipientEntry(position)); 262 Message delayed = Message.obtain(mHandler, DISMISS); 263 delayed.obj = mAlternatesPopup; 264 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 265 clearComposingText(); 266 } 267 }; 268 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 269 setOnItemClickListener(this); 270 setCustomSelectionActionModeCallback(this); 271 mHandler = new Handler() { 272 @Override 273 public void handleMessage(Message msg) { 274 if (msg.what == DISMISS) { 275 ((ListPopupWindow) msg.obj).dismiss(); 276 return; 277 } 278 super.handleMessage(msg); 279 } 280 }; 281 mTextWatcher = new RecipientTextWatcher(); 282 addTextChangedListener(mTextWatcher); 283 mGestureDetector = new GestureDetector(context, this); 284 setOnEditorActionListener(this); 285 } 286 287 @Override 288 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 289 if (action == EditorInfo.IME_ACTION_DONE) { 290 if (commitDefault()) { 291 return true; 292 } 293 if (mSelectedChip != null) { 294 clearSelectedChip(); 295 return true; 296 } else if (focusNext()) { 297 return true; 298 } 299 } 300 return false; 301 } 302 303 @Override 304 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 305 InputConnection connection = super.onCreateInputConnection(outAttrs); 306 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 307 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 308 // clear the existing action 309 outAttrs.imeOptions ^= imeActions; 310 // set the DONE action 311 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 312 } 313 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 314 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 315 } 316 317 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 318 outAttrs.actionLabel = getContext().getString(R.string.done); 319 return connection; 320 } 321 322 /*package*/ RecipientChip getLastChip() { 323 RecipientChip last = null; 324 RecipientChip[] chips = getSortedRecipients(); 325 if (chips != null && chips.length > 0) { 326 last = chips[chips.length - 1]; 327 } 328 return last; 329 } 330 331 @Override 332 public void onSelectionChanged(int start, int end) { 333 // When selection changes, see if it is inside the chips area. 334 // If so, move the cursor back after the chips again. 335 RecipientChip last = getLastChip(); 336 if (last != null && start < getSpannable().getSpanEnd(last)) { 337 // Grab the last chip and set the cursor to after it. 338 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 339 } 340 super.onSelectionChanged(start, end); 341 } 342 343 @Override 344 public void onRestoreInstanceState(Parcelable state) { 345 if (!TextUtils.isEmpty(getText())) { 346 super.onRestoreInstanceState(null); 347 } else { 348 super.onRestoreInstanceState(state); 349 } 350 } 351 352 @Override 353 public Parcelable onSaveInstanceState() { 354 // If the user changes orientation while they are editing, just roll back the selection. 355 clearSelectedChip(); 356 return super.onSaveInstanceState(); 357 } 358 359 /** 360 * Convenience method: Append the specified text slice to the TextView's 361 * display buffer, upgrading it to BufferType.EDITABLE if it was 362 * not already editable. Commas are excluded as they are added automatically 363 * by the view. 364 */ 365 @Override 366 public void append(CharSequence text, int start, int end) { 367 // We don't care about watching text changes while appending. 368 if (mTextWatcher != null) { 369 removeTextChangedListener(mTextWatcher); 370 } 371 super.append(text, start, end); 372 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 373 String displayString = text.toString(); 374 int separatorPos = displayString.lastIndexOf(COMMIT_CHAR_COMMA); 375 // Verify that the separator pos is not within ""; if it is, look 376 // past the closing quote. If there is no comma past ", this string 377 // will resolve to an error chip. 378 if (separatorPos > -1) { 379 String parseDisplayString = displayString.substring(separatorPos); 380 int endQuotedTextPos = parseDisplayString.indexOf(NAME_WRAPPER_CHAR); 381 if (endQuotedTextPos > separatorPos) { 382 separatorPos = parseDisplayString.lastIndexOf(COMMIT_CHAR_COMMA, 383 endQuotedTextPos); 384 } 385 } 386 if (!TextUtils.isEmpty(displayString) 387 && TextUtils.getTrimmedLength(displayString) > 0) { 388 mPendingChipsCount++; 389 mPendingChips.add(text.toString()); 390 } 391 } 392 // Put a message on the queue to make sure we ALWAYS handle pending 393 // chips. 394 if (mPendingChipsCount > 0) { 395 postHandlePendingChips(); 396 } 397 mHandler.post(mAddTextWatcher); 398 } 399 400 @Override 401 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 402 super.onFocusChanged(hasFocus, direction, previous); 403 if (!hasFocus) { 404 shrink(); 405 } else { 406 expand(); 407 } 408 } 409 410 private int getExcessTopPadding() { 411 if (sExcessTopPadding == -1) { 412 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 413 } 414 return sExcessTopPadding; 415 } 416 417 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 418 super.setAdapter(adapter); 419 ((BaseRecipientAdapter) adapter) 420 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 421 @Override 422 public void onChanged(List<RecipientEntry> entries) { 423 // Scroll the chips field to the top of the screen so 424 // that the user can see as many results as possible. 425 if (entries != null && entries.size() > 0) { 426 scrollBottomIntoView(); 427 } 428 } 429 }); 430 } 431 432 private void scrollBottomIntoView() { 433 if (mScrollView != null && mShouldShrink) { 434 int[] location = new int[2]; 435 getLocationOnScreen(location); 436 int height = getHeight(); 437 int currentPos = location[1] + height; 438 // Desired position shows at least 1 line of chips below the action 439 // bar. We add excess padding to make sure this is always below other 440 // content. 441 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 442 if (currentPos > desiredPos) { 443 mScrollView.scrollBy(0, currentPos - desiredPos); 444 } 445 } 446 } 447 448 @Override 449 public void performValidation() { 450 // Do nothing. Chips handles its own validation. 451 } 452 453 private void shrink() { 454 if (mTokenizer == null) { 455 return; 456 } 457 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 458 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 459 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 460 clearSelectedChip(); 461 } else { 462 if (getWidth() <= 0) { 463 // We don't have the width yet which means the view hasn't been drawn yet 464 // and there is no reason to attempt to commit chips yet. 465 // This focus lost must be the result of an orientation change 466 // or an initial rendering. 467 // Re-post the shrink for later. 468 mHandler.removeCallbacks(mDelayedShrink); 469 mHandler.post(mDelayedShrink); 470 return; 471 } 472 // Reset any pending chips as they would have been handled 473 // when the field lost focus. 474 if (mPendingChipsCount > 0) { 475 postHandlePendingChips(); 476 } else { 477 Editable editable = getText(); 478 int end = getSelectionEnd(); 479 int start = mTokenizer.findTokenStart(editable, end); 480 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 481 if ((chips == null || chips.length == 0)) { 482 Editable text = getText(); 483 int whatEnd = mTokenizer.findTokenEnd(text, start); 484 // This token was already tokenized, so skip past the ending token. 485 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 486 whatEnd = movePastTerminators(whatEnd); 487 } 488 // In the middle of chip; treat this as an edit 489 // and commit the whole token. 490 int selEnd = getSelectionEnd(); 491 if (whatEnd != selEnd) { 492 handleEdit(start, whatEnd); 493 } else { 494 commitChip(start, end, editable); 495 } 496 } 497 } 498 mHandler.post(mAddTextWatcher); 499 } 500 createMoreChip(); 501 } 502 503 private void expand() { 504 if (mShouldShrink) { 505 setMaxLines(Integer.MAX_VALUE); 506 } 507 removeMoreChip(); 508 setCursorVisible(true); 509 Editable text = getText(); 510 setSelection(text != null && text.length() > 0 ? text.length() : 0); 511 // If there are any temporary chips, try replacing them now that the user 512 // has expanded the field. 513 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 514 new RecipientReplacementTask().execute(); 515 mTemporaryRecipients = null; 516 } 517 } 518 519 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 520 paint.setTextSize(mChipFontSize); 521 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 522 Log.d(TAG, "Max width is negative: " + maxWidth); 523 } 524 return TextUtils.ellipsize(text, paint, maxWidth, 525 TextUtils.TruncateAt.END); 526 } 527 528 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 529 // Ellipsize the text so that it takes AT MOST the entire width of the 530 // autocomplete text entry area. Make sure to leave space for padding 531 // on the sides. 532 int height = (int) mChipHeight; 533 int deleteWidth = height; 534 float[] widths = new float[1]; 535 paint.getTextWidths(" ", widths); 536 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 537 calculateAvailableWidth(true) - deleteWidth - widths[0]); 538 539 // Make sure there is a minimum chip width so the user can ALWAYS 540 // tap a chip without difficulty. 541 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 542 ellipsizedText.length())) 543 + (mChipPadding * 2) + deleteWidth); 544 545 // Create the background of the chip. 546 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 547 Canvas canvas = new Canvas(tmpBitmap); 548 if (mChipBackgroundPressed != null) { 549 mChipBackgroundPressed.setBounds(0, 0, width, height); 550 mChipBackgroundPressed.draw(canvas); 551 paint.setColor(sSelectedTextColor); 552 // Vertically center the text in the chip. 553 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 554 getTextYOffset((String) ellipsizedText, paint, height), paint); 555 // Make the delete a square. 556 Rect backgroundPadding = new Rect(); 557 mChipBackgroundPressed.getPadding(backgroundPadding); 558 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 559 0 + backgroundPadding.top, 560 width - backgroundPadding.right, 561 height - backgroundPadding.bottom); 562 mChipDelete.draw(canvas); 563 } else { 564 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 565 } 566 return tmpBitmap; 567 } 568 569 570 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout, 571 boolean leaveBlankIconSpacer) { 572 // Ellipsize the text so that it takes AT MOST the entire width of the 573 // autocomplete text entry area. Make sure to leave space for padding 574 // on the sides. 575 int height = (int) mChipHeight; 576 int iconWidth = height; 577 float[] widths = new float[1]; 578 paint.getTextWidths(" ", widths); 579 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 580 calculateAvailableWidth(false) - iconWidth - widths[0]); 581 // Make sure there is a minimum chip width so the user can ALWAYS 582 // tap a chip without difficulty. 583 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 584 ellipsizedText.length())) 585 + (mChipPadding * 2) + iconWidth); 586 587 // Create the background of the chip. 588 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 589 Canvas canvas = new Canvas(tmpBitmap); 590 Drawable background = getChipBackground(contact); 591 if (background != null) { 592 background.setBounds(0, 0, width, height); 593 background.draw(canvas); 594 595 // Don't draw photos for recipients that have been typed in OR generated on the fly. 596 long contactId = contact.getContactId(); 597 boolean drawPhotos = isPhoneQuery() ? 598 contactId != RecipientEntry.INVALID_CONTACT 599 : (contactId != RecipientEntry.INVALID_CONTACT 600 && (contactId != RecipientEntry.GENERATED_CONTACT && 601 !TextUtils.isEmpty(contact.getDisplayName()))); 602 if (drawPhotos) { 603 byte[] photoBytes = contact.getPhotoBytes(); 604 // There may not be a photo yet if anything but the first contact address 605 // was selected. 606 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 607 // TODO: cache this in the recipient entry? 608 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 609 .getPhotoThumbnailUri()); 610 photoBytes = contact.getPhotoBytes(); 611 } 612 613 Bitmap photo; 614 if (photoBytes != null) { 615 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 616 } else { 617 // TODO: can the scaled down default photo be cached? 618 photo = mDefaultContactPhoto; 619 } 620 // Draw the photo on the left side. 621 if (photo != null) { 622 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 623 Rect backgroundPadding = new Rect(); 624 mChipBackground.getPadding(backgroundPadding); 625 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 626 0 + backgroundPadding.top, 627 width - backgroundPadding.right, 628 height - backgroundPadding.bottom); 629 Matrix matrix = new Matrix(); 630 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 631 canvas.drawBitmap(photo, matrix, paint); 632 } 633 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 634 iconWidth = 0; 635 } 636 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 637 // Vertically center the text in the chip. 638 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 639 getTextYOffset((String)ellipsizedText, paint, height), paint); 640 } else { 641 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 642 } 643 return tmpBitmap; 644 } 645 646 /** 647 * Get the background drawable for a RecipientChip. 648 */ 649 // Visible for testing. 650 /* package */Drawable getChipBackground(RecipientEntry contact) { 651 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 652 } 653 654 private float getTextYOffset(String text, TextPaint paint, int height) { 655 Rect bounds = new Rect(); 656 paint.getTextBounds(text, 0, text.length(), bounds); 657 int textHeight = bounds.bottom - bounds.top ; 658 return height - ((height - textHeight) / 2) - (int)paint.descent(); 659 } 660 661 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed, 662 boolean leaveIconSpace) throws NullPointerException { 663 if (mChipBackground == null) { 664 throw new NullPointerException( 665 "Unable to render any chips as setChipDimensions was not called."); 666 } 667 Layout layout = getLayout(); 668 669 TextPaint paint = getPaint(); 670 float defaultSize = paint.getTextSize(); 671 int defaultColor = paint.getColor(); 672 673 Bitmap tmpBitmap; 674 if (pressed) { 675 tmpBitmap = createSelectedChip(contact, paint, layout); 676 677 } else { 678 tmpBitmap = createUnselectedChip(contact, paint, layout, leaveIconSpace); 679 } 680 681 // Pass the full text, un-ellipsized, to the chip. 682 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 683 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 684 RecipientChip recipientChip = new VisibleRecipientChip(result, contact, offset); 685 // Return text to the original size. 686 paint.setTextSize(defaultSize); 687 paint.setColor(defaultColor); 688 return recipientChip; 689 } 690 691 /** 692 * Calculate the bottom of the line the chip will be located on using: 693 * 1) which line the chip appears on 694 * 2) the height of a chip 695 * 3) padding built into the edit text view 696 */ 697 private int calculateOffsetFromBottom(int line) { 698 // Line offsets start at zero. 699 int actualLine = getLineCount() - (line + 1); 700 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 701 + getDropDownVerticalOffset(); 702 } 703 704 /** 705 * Get the max amount of space a chip can take up. The formula takes into 706 * account the width of the EditTextView, any view padding, and padding 707 * that will be added to the chip. 708 */ 709 private float calculateAvailableWidth(boolean pressed) { 710 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 711 } 712 713 714 private void setChipDimensions(Context context, AttributeSet attrs) { 715 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 716 0); 717 Resources r = getContext().getResources(); 718 719 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 720 if (mChipBackground == null) { 721 mChipBackground = r.getDrawable(R.drawable.chip_background); 722 } 723 mChipBackgroundPressed = a 724 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 725 if (mChipBackgroundPressed == null) { 726 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 727 } 728 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 729 if (mChipDelete == null) { 730 mChipDelete = r.getDrawable(R.drawable.chip_delete); 731 } 732 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 733 if (mChipPadding == -1) { 734 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 735 } 736 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 737 -1); 738 if (mAlternatesLayout == -1) { 739 mAlternatesLayout = R.layout.chips_alternate_item; 740 } 741 742 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 743 744 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 745 746 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 747 if (mChipHeight == -1) { 748 mChipHeight = r.getDimension(R.dimen.chip_height); 749 } 750 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 751 if (mChipFontSize == -1) { 752 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 753 } 754 mInvalidChipBackground = a 755 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 756 if (mInvalidChipBackground == null) { 757 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 758 } 759 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 760 mMaxLines = r.getInteger(R.integer.chips_max_lines); 761 TypedValue tv = new TypedValue(); 762 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 763 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 764 .getDisplayMetrics()); 765 } 766 a.recycle(); 767 } 768 769 // Visible for testing. 770 /* package */ void setMoreItem(TextView moreItem) { 771 mMoreItem = moreItem; 772 } 773 774 775 // Visible for testing. 776 /* package */ void setChipBackground(Drawable chipBackground) { 777 mChipBackground = chipBackground; 778 } 779 780 // Visible for testing. 781 /* package */ void setChipHeight(int height) { 782 mChipHeight = height; 783 } 784 785 /** 786 * Set whether to shrink the recipients field such that at most 787 * one line of recipients chips are shown when the field loses 788 * focus. By default, the number of displayed recipients will be 789 * limited and a "more" chip will be shown when focus is lost. 790 * @param shrink 791 */ 792 public void setOnFocusListShrinkRecipients(boolean shrink) { 793 mShouldShrink = shrink; 794 } 795 796 @Override 797 public void onSizeChanged(int width, int height, int oldw, int oldh) { 798 super.onSizeChanged(width, height, oldw, oldh); 799 if (width != 0 && height != 0) { 800 if (mPendingChipsCount > 0) { 801 postHandlePendingChips(); 802 } else { 803 checkChipWidths(); 804 } 805 } 806 // Try to find the scroll view parent, if it exists. 807 if (mScrollView == null && !mTriedGettingScrollView) { 808 ViewParent parent = getParent(); 809 while (parent != null && !(parent instanceof ScrollView)) { 810 parent = parent.getParent(); 811 } 812 if (parent != null) { 813 mScrollView = (ScrollView) parent; 814 } 815 mTriedGettingScrollView = true; 816 } 817 } 818 819 private void postHandlePendingChips() { 820 mHandler.removeCallbacks(mHandlePendingChips); 821 mHandler.post(mHandlePendingChips); 822 } 823 824 private void checkChipWidths() { 825 // Check the widths of the associated chips. 826 RecipientChip[] chips = getSortedRecipients(); 827 if (chips != null) { 828 Rect bounds; 829 for (RecipientChip chip : chips) { 830 bounds = chip.getBounds(); 831 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 832 // Need to redraw that chip. 833 replaceChip(chip, chip.getEntry()); 834 } 835 } 836 } 837 } 838 839 // Visible for testing. 840 /*package*/ void handlePendingChips() { 841 if (getViewWidth() <= 0) { 842 // The widget has not been sized yet. 843 // This will be called as a result of onSizeChanged 844 // at a later point. 845 return; 846 } 847 if (mPendingChipsCount <= 0) { 848 return; 849 } 850 851 synchronized (mPendingChips) { 852 Editable editable = getText(); 853 // Tokenize! 854 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 855 for (int i = 0; i < mPendingChips.size(); i++) { 856 String current = mPendingChips.get(i); 857 int tokenStart = editable.toString().indexOf(current); 858 // Always leave a space at the end between tokens. 859 int tokenEnd = tokenStart + current.length() - 1; 860 if (tokenStart >= 0) { 861 // When we have a valid token, include it with the token 862 // to the left. 863 if (tokenEnd < editable.length() - 2 864 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 865 tokenEnd++; 866 } 867 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 868 || !mShouldShrink); 869 } 870 mPendingChipsCount--; 871 } 872 sanitizeEnd(); 873 } else { 874 mNoChips = true; 875 } 876 877 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 878 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 879 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 880 new RecipientReplacementTask().execute(); 881 mTemporaryRecipients = null; 882 } else { 883 // Create the "more" chip 884 mIndividualReplacements = new IndividualReplacementTask(); 885 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 886 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 887 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 888 mTemporaryRecipients = new ArrayList<RecipientChip>( 889 mTemporaryRecipients.subList(CHIP_LIMIT, 890 mTemporaryRecipients.size())); 891 } else { 892 mTemporaryRecipients = null; 893 } 894 createMoreChip(); 895 } 896 } else { 897 // There are too many recipients to look up, so just fall back 898 // to showing addresses for all of them. 899 mTemporaryRecipients = null; 900 createMoreChip(); 901 } 902 mPendingChipsCount = 0; 903 mPendingChips.clear(); 904 } 905 } 906 907 // Visible for testing. 908 /*package*/ int getViewWidth() { 909 return getWidth(); 910 } 911 912 /** 913 * Remove any characters after the last valid chip. 914 */ 915 // Visible for testing. 916 /*package*/ void sanitizeEnd() { 917 // Don't sanitize while we are waiting for pending chips to complete. 918 if (mPendingChipsCount > 0) { 919 return; 920 } 921 // Find the last chip; eliminate any commit characters after it. 922 RecipientChip[] chips = getSortedRecipients(); 923 Spannable spannable = getSpannable(); 924 if (chips != null && chips.length > 0) { 925 int end; 926 mMoreChip = getMoreChip(); 927 if (mMoreChip != null) { 928 end = spannable.getSpanEnd(mMoreChip); 929 } else { 930 end = getSpannable().getSpanEnd(getLastChip()); 931 } 932 Editable editable = getText(); 933 int length = editable.length(); 934 if (length > end) { 935 // See what characters occur after that and eliminate them. 936 if (Log.isLoggable(TAG, Log.DEBUG)) { 937 Log.d(TAG, "There were extra characters after the last tokenizable entry." 938 + editable); 939 } 940 editable.delete(end + 1, length); 941 } 942 } 943 } 944 945 /** 946 * Create a chip that represents just the email address of a recipient. At some later 947 * point, this chip will be attached to a real contact entry, if one exists. 948 */ 949 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 950 boolean visible) { 951 if (alreadyHasChip(tokenStart, tokenEnd)) { 952 // There is already a chip present at this location. 953 // Don't recreate it. 954 return; 955 } 956 String token = editable.toString().substring(tokenStart, tokenEnd); 957 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 958 if (commitCharIndex == token.length() - 1) { 959 token = token.substring(0, token.length() - 1); 960 } 961 RecipientEntry entry = createTokenizedEntry(token); 962 if (entry != null) { 963 String destText = createAddressText(entry); 964 SpannableString chipText = new SpannableString(destText); 965 RecipientChip chip = null; 966 try { 967 if (!mNoChips) { 968 /* 969 * leave space for the contact icon if this is not just an 970 * email address 971 */ 972 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 973 || TextUtils.equals(entry.getDisplayName(), 974 entry.getDestination()); 975 chip = visible ? 976 constructChipSpan(entry, tokenStart, false, leaveSpace) 977 : new InvisibleRecipientChip(entry, commitCharIndex); 978 } 979 } catch (NullPointerException e) { 980 Log.e(TAG, e.getMessage(), e); 981 } 982 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 983 // Add this chip to the list of entries "to replace" 984 if (chip != null) { 985 if (mTemporaryRecipients == null) { 986 mTemporaryRecipients = new ArrayList<RecipientChip>(); 987 } 988 chip.setOriginalText(chipText.toString()); 989 mTemporaryRecipients.add(chip); 990 } 991 } 992 } 993 994 private static boolean isPhoneNumber(String number) { 995 // TODO: replace this function with libphonenumber's isPossibleNumber (see 996 // PhoneNumberUtil). One complication is that it requires the sender's region which 997 // comes from the CurrentCountryIso. For now, let's just do this simple match. 998 if (TextUtils.isEmpty(number)) { 999 return false; 1000 } 1001 1002 Matcher match = PHONE_PATTERN.matcher(number); 1003 return match.matches(); 1004 } 1005 1006 private RecipientEntry createTokenizedEntry(String token) { 1007 if (TextUtils.isEmpty(token)) { 1008 return null; 1009 } 1010 if (isPhoneQuery() && isPhoneNumber(token)) { 1011 return RecipientEntry.constructFakeEntry(token, true); 1012 } 1013 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1014 String display = null; 1015 boolean isValid = isValid(token); 1016 if (isValid && tokens != null && tokens.length > 0) { 1017 // If we can get a name from tokenizing, then generate an entry from 1018 // this. 1019 display = tokens[0].getName(); 1020 if (!TextUtils.isEmpty(display)) { 1021 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1022 isValid); 1023 } else { 1024 display = tokens[0].getAddress(); 1025 if (!TextUtils.isEmpty(display)) { 1026 return RecipientEntry.constructFakeEntry(display, isValid); 1027 } 1028 } 1029 } 1030 // Unable to validate the token or to create a valid token from it. 1031 // Just create a chip the user can edit. 1032 String validatedToken = null; 1033 if (mValidator != null && !isValid) { 1034 // Try fixing up the entry using the validator. 1035 validatedToken = mValidator.fixText(token).toString(); 1036 if (!TextUtils.isEmpty(validatedToken)) { 1037 if (validatedToken.contains(token)) { 1038 // protect against the case of a validator with a null 1039 // domain, 1040 // which doesn't add a domain to the token 1041 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1042 if (tokenized.length > 0) { 1043 validatedToken = tokenized[0].getAddress(); 1044 isValid = true; 1045 } 1046 } else { 1047 // We ran into a case where the token was invalid and 1048 // removed 1049 // by the validator. In this case, just use the original 1050 // token 1051 // and let the user sort out the error chip. 1052 validatedToken = null; 1053 isValid = false; 1054 } 1055 } 1056 } 1057 // Otherwise, fallback to just creating an editable email address chip. 1058 return RecipientEntry.constructFakeEntry( 1059 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1060 } 1061 1062 private boolean isValid(String text) { 1063 return mValidator == null ? true : mValidator.isValid(text); 1064 } 1065 1066 private String tokenizeAddress(String destination) { 1067 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1068 if (tokens != null && tokens.length > 0) { 1069 return tokens[0].getAddress(); 1070 } 1071 return destination; 1072 } 1073 1074 @Override 1075 public void setTokenizer(Tokenizer tokenizer) { 1076 mTokenizer = tokenizer; 1077 super.setTokenizer(mTokenizer); 1078 } 1079 1080 @Override 1081 public void setValidator(Validator validator) { 1082 mValidator = validator; 1083 super.setValidator(validator); 1084 } 1085 1086 /** 1087 * We cannot use the default mechanism for replaceText. Instead, 1088 * we override onItemClickListener so we can get all the associated 1089 * contact information including display text, address, and id. 1090 */ 1091 @Override 1092 protected void replaceText(CharSequence text) { 1093 return; 1094 } 1095 1096 /** 1097 * Dismiss any selected chips when the back key is pressed. 1098 */ 1099 @Override 1100 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1101 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1102 clearSelectedChip(); 1103 return true; 1104 } 1105 return super.onKeyPreIme(keyCode, event); 1106 } 1107 1108 /** 1109 * Monitor key presses in this view to see if the user types 1110 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1111 * If the user has entered text that has contact matches and types 1112 * a commit key, create a chip from the topmost matching contact. 1113 * If the user has entered text that has no contact matches and types 1114 * a commit key, then create a chip from the text they have entered. 1115 */ 1116 @Override 1117 public boolean onKeyUp(int keyCode, KeyEvent event) { 1118 switch (keyCode) { 1119 case KeyEvent.KEYCODE_ENTER: 1120 case KeyEvent.KEYCODE_DPAD_CENTER: 1121 if (event.hasNoModifiers()) { 1122 if (commitDefault()) { 1123 return true; 1124 } 1125 if (mSelectedChip != null) { 1126 clearSelectedChip(); 1127 return true; 1128 } else if (focusNext()) { 1129 return true; 1130 } 1131 } 1132 break; 1133 case KeyEvent.KEYCODE_TAB: 1134 if (event.hasNoModifiers()) { 1135 if (mSelectedChip != null) { 1136 clearSelectedChip(); 1137 } else { 1138 commitDefault(); 1139 } 1140 if (focusNext()) { 1141 return true; 1142 } 1143 } 1144 break; 1145 } 1146 return super.onKeyUp(keyCode, event); 1147 } 1148 1149 private boolean focusNext() { 1150 View next = focusSearch(View.FOCUS_DOWN); 1151 if (next != null) { 1152 next.requestFocus(); 1153 return true; 1154 } 1155 return false; 1156 } 1157 1158 /** 1159 * Create a chip from the default selection. If the popup is showing, the 1160 * default is the first item in the popup suggestions list. Otherwise, it is 1161 * whatever the user had typed in. End represents where the the tokenizer 1162 * should search for a token to turn into a chip. 1163 * @return If a chip was created from a real contact. 1164 */ 1165 private boolean commitDefault() { 1166 // If there is no tokenizer, don't try to commit. 1167 if (mTokenizer == null) { 1168 return false; 1169 } 1170 Editable editable = getText(); 1171 int end = getSelectionEnd(); 1172 int start = mTokenizer.findTokenStart(editable, end); 1173 1174 if (shouldCreateChip(start, end)) { 1175 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1176 // In the middle of chip; treat this as an edit 1177 // and commit the whole token. 1178 whatEnd = movePastTerminators(whatEnd); 1179 if (whatEnd != getSelectionEnd()) { 1180 handleEdit(start, whatEnd); 1181 return true; 1182 } 1183 return commitChip(start, end , editable); 1184 } 1185 return false; 1186 } 1187 1188 private void commitByCharacter() { 1189 // We can't possibly commit by character if we can't tokenize. 1190 if (mTokenizer == null) { 1191 return; 1192 } 1193 Editable editable = getText(); 1194 int end = getSelectionEnd(); 1195 int start = mTokenizer.findTokenStart(editable, end); 1196 if (shouldCreateChip(start, end)) { 1197 commitChip(start, end, editable); 1198 } 1199 setSelection(getText().length()); 1200 } 1201 1202 private boolean commitChip(int start, int end, Editable editable) { 1203 ListAdapter adapter = getAdapter(); 1204 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1205 && end == getSelectionEnd() && !isPhoneQuery()) { 1206 // choose the first entry. 1207 submitItemAtPosition(0); 1208 dismissDropDown(); 1209 return true; 1210 } else { 1211 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1212 if (editable.length() > tokenEnd + 1) { 1213 char charAt = editable.charAt(tokenEnd + 1); 1214 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1215 tokenEnd++; 1216 } 1217 } 1218 String text = editable.toString().substring(start, tokenEnd).trim(); 1219 clearComposingText(); 1220 if (text != null && text.length() > 0 && !text.equals(" ")) { 1221 RecipientEntry entry = createTokenizedEntry(text); 1222 if (entry != null) { 1223 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1224 CharSequence chipText = createChip(entry, false); 1225 if (chipText != null && start > -1 && end > -1) { 1226 editable.replace(start, end, chipText); 1227 } 1228 } 1229 // Only dismiss the dropdown if it is related to the text we 1230 // just committed. 1231 // For paste, it may not be as there are possibly multiple 1232 // tokens being added. 1233 if (end == getSelectionEnd()) { 1234 dismissDropDown(); 1235 } 1236 sanitizeBetween(); 1237 return true; 1238 } 1239 } 1240 return false; 1241 } 1242 1243 // Visible for testing. 1244 /* package */ void sanitizeBetween() { 1245 // Don't sanitize while we are waiting for content to chipify. 1246 if (mPendingChipsCount > 0) { 1247 return; 1248 } 1249 // Find the last chip. 1250 RecipientChip[] recips = getSortedRecipients(); 1251 if (recips != null && recips.length > 0) { 1252 RecipientChip last = recips[recips.length - 1]; 1253 RecipientChip beforeLast = null; 1254 if (recips.length > 1) { 1255 beforeLast = recips[recips.length - 2]; 1256 } 1257 int startLooking = 0; 1258 int end = getSpannable().getSpanStart(last); 1259 if (beforeLast != null) { 1260 startLooking = getSpannable().getSpanEnd(beforeLast); 1261 Editable text = getText(); 1262 if (startLooking == -1 || startLooking > text.length() - 1) { 1263 // There is nothing after this chip. 1264 return; 1265 } 1266 if (text.charAt(startLooking) == ' ') { 1267 startLooking++; 1268 } 1269 } 1270 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1271 getText().delete(startLooking, end); 1272 } 1273 } 1274 } 1275 1276 private boolean shouldCreateChip(int start, int end) { 1277 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1278 } 1279 1280 private boolean alreadyHasChip(int start, int end) { 1281 if (mNoChips) { 1282 return true; 1283 } 1284 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1285 if ((chips == null || chips.length == 0)) { 1286 return false; 1287 } 1288 return true; 1289 } 1290 1291 private void handleEdit(int start, int end) { 1292 if (start == -1 || end == -1) { 1293 // This chip no longer exists in the field. 1294 dismissDropDown(); 1295 return; 1296 } 1297 // This is in the middle of a chip, so select out the whole chip 1298 // and commit it. 1299 Editable editable = getText(); 1300 setSelection(end); 1301 String text = getText().toString().substring(start, end); 1302 if (!TextUtils.isEmpty(text)) { 1303 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1304 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1305 CharSequence chipText = createChip(entry, false); 1306 int selEnd = getSelectionEnd(); 1307 if (chipText != null && start > -1 && selEnd > -1) { 1308 editable.replace(start, selEnd, chipText); 1309 } 1310 } 1311 dismissDropDown(); 1312 } 1313 1314 /** 1315 * If there is a selected chip, delegate the key events 1316 * to the selected chip. 1317 */ 1318 @Override 1319 public boolean onKeyDown(int keyCode, KeyEvent event) { 1320 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1321 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1322 mAlternatesPopup.dismiss(); 1323 } 1324 removeChip(mSelectedChip); 1325 } 1326 1327 return super.onKeyDown(keyCode, event); 1328 } 1329 1330 // Visible for testing. 1331 /* package */ Spannable getSpannable() { 1332 return getText(); 1333 } 1334 1335 private int getChipStart(RecipientChip chip) { 1336 return getSpannable().getSpanStart(chip); 1337 } 1338 1339 private int getChipEnd(RecipientChip chip) { 1340 return getSpannable().getSpanEnd(chip); 1341 } 1342 1343 /** 1344 * Instead of filtering on the entire contents of the edit box, 1345 * this subclass method filters on the range from 1346 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1347 * if the length of that range meets or exceeds {@link #getThreshold} 1348 * and makes sure that the range is not already a Chip. 1349 */ 1350 @Override 1351 protected void performFiltering(CharSequence text, int keyCode) { 1352 boolean isCompletedToken = isCompletedToken(text); 1353 if (enoughToFilter() && !isCompletedToken) { 1354 int end = getSelectionEnd(); 1355 int start = mTokenizer.findTokenStart(text, end); 1356 // If this is a RecipientChip, don't filter 1357 // on its contents. 1358 Spannable span = getSpannable(); 1359 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1360 if (chips != null && chips.length > 0) { 1361 return; 1362 } 1363 } else if (isCompletedToken) { 1364 return; 1365 } 1366 super.performFiltering(text, keyCode); 1367 } 1368 1369 // Visible for testing. 1370 /*package*/ boolean isCompletedToken(CharSequence text) { 1371 if (TextUtils.isEmpty(text)) { 1372 return false; 1373 } 1374 // Check to see if this is a completed token before filtering. 1375 int end = text.length(); 1376 int start = mTokenizer.findTokenStart(text, end); 1377 String token = text.toString().substring(start, end).trim(); 1378 if (!TextUtils.isEmpty(token)) { 1379 char atEnd = token.charAt(token.length() - 1); 1380 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1381 } 1382 return false; 1383 } 1384 1385 private void clearSelectedChip() { 1386 if (mSelectedChip != null) { 1387 unselectChip(mSelectedChip); 1388 mSelectedChip = null; 1389 } 1390 setCursorVisible(true); 1391 } 1392 1393 /** 1394 * Monitor touch events in the RecipientEditTextView. 1395 * If the view does not have focus, any tap on the view 1396 * will just focus the view. If the view has focus, determine 1397 * if the touch target is a recipient chip. If it is and the chip 1398 * is not selected, select it and clear any other selected chips. 1399 * If it isn't, then select that chip. 1400 */ 1401 @Override 1402 public boolean onTouchEvent(MotionEvent event) { 1403 if (!isFocused()) { 1404 // Ignore any chip taps until this view is focused. 1405 return super.onTouchEvent(event); 1406 } 1407 boolean handled = super.onTouchEvent(event); 1408 int action = event.getAction(); 1409 boolean chipWasSelected = false; 1410 if (mSelectedChip == null) { 1411 mGestureDetector.onTouchEvent(event); 1412 } 1413 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1414 float x = event.getX(); 1415 float y = event.getY(); 1416 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1417 RecipientChip currentChip = findChip(offset); 1418 if (currentChip != null) { 1419 if (action == MotionEvent.ACTION_UP) { 1420 if (mSelectedChip != null && mSelectedChip != currentChip) { 1421 clearSelectedChip(); 1422 mSelectedChip = selectChip(currentChip); 1423 } else if (mSelectedChip == null) { 1424 setSelection(getText().length()); 1425 commitDefault(); 1426 mSelectedChip = selectChip(currentChip); 1427 } else { 1428 onClick(mSelectedChip, offset, x, y); 1429 } 1430 } 1431 chipWasSelected = true; 1432 handled = true; 1433 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1434 chipWasSelected = true; 1435 } 1436 } 1437 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1438 clearSelectedChip(); 1439 } 1440 return handled; 1441 } 1442 1443 private void scrollLineIntoView(int line) { 1444 if (mScrollView != null) { 1445 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1446 } 1447 } 1448 1449 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1450 int width, Context context) { 1451 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1452 int bottom; 1453 if (line == getLineCount() -1) { 1454 bottom = 0; 1455 } else { 1456 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1457 - line))); 1458 } 1459 // Align the alternates popup with the left side of the View, 1460 // regardless of the position of the chip tapped. 1461 alternatesPopup.setWidth(width); 1462 alternatesPopup.setAnchorView(this); 1463 alternatesPopup.setVerticalOffset(bottom); 1464 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1465 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1466 // Clear the checked item. 1467 mCheckedItem = -1; 1468 alternatesPopup.show(); 1469 ListView listView = alternatesPopup.getListView(); 1470 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1471 // Checked item would be -1 if the adapter has not 1472 // loaded the view that should be checked yet. The 1473 // variable will be set correctly when onCheckedItemChanged 1474 // is called in a separate thread. 1475 if (mCheckedItem != -1) { 1476 listView.setItemChecked(mCheckedItem, true); 1477 mCheckedItem = -1; 1478 } 1479 } 1480 1481 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1482 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1483 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1484 } 1485 1486 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1487 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1488 .getEntry()); 1489 } 1490 1491 @Override 1492 public void onCheckedItemChanged(int position) { 1493 ListView listView = mAlternatesPopup.getListView(); 1494 if (listView != null && listView.getCheckedItemCount() == 0) { 1495 listView.setItemChecked(position, true); 1496 } 1497 mCheckedItem = position; 1498 } 1499 1500 // TODO: This algorithm will need a lot of tweaking after more people have used 1501 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1502 // what comes before the finger. 1503 private int putOffsetInRange(int o) { 1504 int offset = o; 1505 Editable text = getText(); 1506 int length = text.length(); 1507 // Remove whitespace from end to find "real end" 1508 int realLength = length; 1509 for (int i = length - 1; i >= 0; i--) { 1510 if (text.charAt(i) == ' ') { 1511 realLength--; 1512 } else { 1513 break; 1514 } 1515 } 1516 1517 // If the offset is beyond or at the end of the text, 1518 // leave it alone. 1519 if (offset >= realLength) { 1520 return offset; 1521 } 1522 Editable editable = getText(); 1523 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1524 // Keep walking backward! 1525 offset--; 1526 } 1527 return offset; 1528 } 1529 1530 private int findText(Editable text, int offset) { 1531 if (text.charAt(offset) != ' ') { 1532 return offset; 1533 } 1534 return -1; 1535 } 1536 1537 private RecipientChip findChip(int offset) { 1538 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1539 // Find the chip that contains this offset. 1540 for (int i = 0; i < chips.length; i++) { 1541 RecipientChip chip = chips[i]; 1542 int start = getChipStart(chip); 1543 int end = getChipEnd(chip); 1544 if (offset >= start && offset <= end) { 1545 return chip; 1546 } 1547 } 1548 return null; 1549 } 1550 1551 // Visible for testing. 1552 // Use this method to generate text to add to the list of addresses. 1553 /* package */String createAddressText(RecipientEntry entry) { 1554 String display = entry.getDisplayName(); 1555 String address = entry.getDestination(); 1556 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1557 display = null; 1558 } 1559 String trimmedDisplayText; 1560 if (isPhoneQuery() && isPhoneNumber(address)) { 1561 trimmedDisplayText = address.trim(); 1562 } else { 1563 if (address != null) { 1564 // Tokenize out the address in case the address already 1565 // contained the username as well. 1566 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1567 if (tokenized != null && tokenized.length > 0) { 1568 address = tokenized[0].getAddress(); 1569 } 1570 } 1571 Rfc822Token token = new Rfc822Token(display, address, null); 1572 trimmedDisplayText = token.toString().trim(); 1573 } 1574 int index = trimmedDisplayText.indexOf(","); 1575 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1576 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1577 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1578 } 1579 1580 // Visible for testing. 1581 // Use this method to generate text to display in a chip. 1582 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1583 String display = entry.getDisplayName(); 1584 String address = entry.getDestination(); 1585 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1586 display = null; 1587 } 1588 if (!TextUtils.isEmpty(display)) { 1589 return display; 1590 } else if (!TextUtils.isEmpty(address)){ 1591 return address; 1592 } else { 1593 return new Rfc822Token(display, address, null).toString(); 1594 } 1595 } 1596 1597 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1598 String displayText = createAddressText(entry); 1599 if (TextUtils.isEmpty(displayText)) { 1600 return null; 1601 } 1602 SpannableString chipText = null; 1603 // Always leave a blank space at the end of a chip. 1604 int end = getSelectionEnd(); 1605 int start = mTokenizer.findTokenStart(getText(), end); 1606 int textLength = displayText.length()-1; 1607 chipText = new SpannableString(displayText); 1608 if (!mNoChips) { 1609 try { 1610 RecipientChip chip = constructChipSpan(entry, start, pressed, 1611 false /* leave space for contact icon */); 1612 chipText.setSpan(chip, 0, textLength, 1613 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1614 chip.setOriginalText(chipText.toString()); 1615 } catch (NullPointerException e) { 1616 Log.e(TAG, e.getMessage(), e); 1617 return null; 1618 } 1619 } 1620 return chipText; 1621 } 1622 1623 /** 1624 * When an item in the suggestions list has been clicked, create a chip from the 1625 * contact information of the selected item. 1626 */ 1627 @Override 1628 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1629 submitItemAtPosition(position); 1630 } 1631 1632 private void submitItemAtPosition(int position) { 1633 RecipientEntry entry = createValidatedEntry( 1634 (RecipientEntry)getAdapter().getItem(position)); 1635 if (entry == null) { 1636 return; 1637 } 1638 clearComposingText(); 1639 1640 int end = getSelectionEnd(); 1641 int start = mTokenizer.findTokenStart(getText(), end); 1642 1643 Editable editable = getText(); 1644 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1645 CharSequence chip = createChip(entry, false); 1646 if (chip != null && start >= 0 && end >= 0) { 1647 editable.replace(start, end, chip); 1648 } 1649 sanitizeBetween(); 1650 } 1651 1652 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1653 if (item == null) { 1654 return null; 1655 } 1656 final RecipientEntry entry; 1657 // If the display name and the address are the same, or if this is a 1658 // valid contact, but the destination is invalid, then make this a fake 1659 // recipient that is editable. 1660 String destination = item.getDestination(); 1661 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1662 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1663 destination, item.isValid()); 1664 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1665 && (TextUtils.isEmpty(item.getDisplayName()) 1666 || TextUtils.equals(item.getDisplayName(), destination) 1667 || (mValidator != null && !mValidator.isValid(destination)))) { 1668 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1669 } else { 1670 entry = item; 1671 } 1672 return entry; 1673 } 1674 1675 /** Returns a collection of contact Id for each chip inside this View. */ 1676 /* package */ Collection<Long> getContactIds() { 1677 final Set<Long> result = new HashSet<Long>(); 1678 RecipientChip[] chips = getSortedRecipients(); 1679 if (chips != null) { 1680 for (RecipientChip chip : chips) { 1681 result.add(chip.getContactId()); 1682 } 1683 } 1684 return result; 1685 } 1686 1687 1688 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1689 /* package */ Collection<Long> getDataIds() { 1690 final Set<Long> result = new HashSet<Long>(); 1691 RecipientChip [] chips = getSortedRecipients(); 1692 if (chips != null) { 1693 for (RecipientChip chip : chips) { 1694 result.add(chip.getDataId()); 1695 } 1696 } 1697 return result; 1698 } 1699 1700 // Visible for testing. 1701 /* package */RecipientChip[] getSortedRecipients() { 1702 RecipientChip[] recips = getSpannable() 1703 .getSpans(0, getText().length(), RecipientChip.class); 1704 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1705 .asList(recips)); 1706 final Spannable spannable = getSpannable(); 1707 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1708 1709 @Override 1710 public int compare(RecipientChip first, RecipientChip second) { 1711 int firstStart = spannable.getSpanStart(first); 1712 int secondStart = spannable.getSpanStart(second); 1713 if (firstStart < secondStart) { 1714 return -1; 1715 } else if (firstStart > secondStart) { 1716 return 1; 1717 } else { 1718 return 0; 1719 } 1720 } 1721 }); 1722 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1723 } 1724 1725 @Override 1726 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1727 return false; 1728 } 1729 1730 @Override 1731 public void onDestroyActionMode(ActionMode mode) { 1732 } 1733 1734 @Override 1735 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1736 return false; 1737 } 1738 1739 /** 1740 * No chips are selectable. 1741 */ 1742 @Override 1743 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1744 return false; 1745 } 1746 1747 // Visible for testing. 1748 /* package */ImageSpan getMoreChip() { 1749 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1750 MoreImageSpan.class); 1751 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1752 } 1753 1754 private MoreImageSpan createMoreSpan(int count) { 1755 String moreText = String.format(mMoreItem.getText().toString(), count); 1756 TextPaint morePaint = new TextPaint(getPaint()); 1757 morePaint.setTextSize(mMoreItem.getTextSize()); 1758 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1759 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1760 + mMoreItem.getPaddingRight(); 1761 int height = getLineHeight(); 1762 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1763 Canvas canvas = new Canvas(drawable); 1764 int adjustedHeight = height; 1765 Layout layout = getLayout(); 1766 if (layout != null) { 1767 adjustedHeight -= layout.getLineDescent(0); 1768 } 1769 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1770 1771 Drawable result = new BitmapDrawable(getResources(), drawable); 1772 result.setBounds(0, 0, width, height); 1773 return new MoreImageSpan(result); 1774 } 1775 1776 // Visible for testing. 1777 /*package*/ void createMoreChipPlainText() { 1778 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1779 Editable text = getText(); 1780 int start = 0; 1781 int end = start; 1782 for (int i = 0; i < CHIP_LIMIT; i++) { 1783 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1784 start = end; // move to the next token and get its end. 1785 } 1786 // Now, count total addresses. 1787 start = 0; 1788 int tokenCount = countTokens(text); 1789 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1790 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1791 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1792 text.replace(end, text.length(), chipText); 1793 mMoreChip = moreSpan; 1794 } 1795 1796 // Visible for testing. 1797 /* package */int countTokens(Editable text) { 1798 int tokenCount = 0; 1799 int start = 0; 1800 while (start < text.length()) { 1801 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1802 tokenCount++; 1803 if (start >= text.length()) { 1804 break; 1805 } 1806 } 1807 return tokenCount; 1808 } 1809 1810 /** 1811 * Create the more chip. The more chip is text that replaces any chips that 1812 * do not fit in the pre-defined available space when the 1813 * RecipientEditTextView loses focus. 1814 */ 1815 // Visible for testing. 1816 /* package */ void createMoreChip() { 1817 if (mNoChips) { 1818 createMoreChipPlainText(); 1819 return; 1820 } 1821 1822 if (!mShouldShrink) { 1823 return; 1824 } 1825 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1826 if (tempMore.length > 0) { 1827 getSpannable().removeSpan(tempMore[0]); 1828 } 1829 RecipientChip[] recipients = getSortedRecipients(); 1830 1831 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1832 mMoreChip = null; 1833 return; 1834 } 1835 Spannable spannable = getSpannable(); 1836 int numRecipients = recipients.length; 1837 int overage = numRecipients - CHIP_LIMIT; 1838 MoreImageSpan moreSpan = createMoreSpan(overage); 1839 mRemovedSpans = new ArrayList<RecipientChip>(); 1840 int totalReplaceStart = 0; 1841 int totalReplaceEnd = 0; 1842 Editable text = getText(); 1843 for (int i = numRecipients - overage; i < recipients.length; i++) { 1844 mRemovedSpans.add(recipients[i]); 1845 if (i == numRecipients - overage) { 1846 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1847 } 1848 if (i == recipients.length - 1) { 1849 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1850 } 1851 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1852 int spanStart = spannable.getSpanStart(recipients[i]); 1853 int spanEnd = spannable.getSpanEnd(recipients[i]); 1854 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1855 } 1856 spannable.removeSpan(recipients[i]); 1857 } 1858 if (totalReplaceEnd < text.length()) { 1859 totalReplaceEnd = text.length(); 1860 } 1861 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1862 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1863 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1864 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1865 text.replace(start, end, chipText); 1866 mMoreChip = moreSpan; 1867 // If adding the +more chip goes over the limit, resize accordingly. 1868 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1869 setMaxLines(getLineCount()); 1870 } 1871 } 1872 1873 /** 1874 * Replace the more chip, if it exists, with all of the recipient chips it had 1875 * replaced when the RecipientEditTextView gains focus. 1876 */ 1877 // Visible for testing. 1878 /*package*/ void removeMoreChip() { 1879 if (mMoreChip != null) { 1880 Spannable span = getSpannable(); 1881 span.removeSpan(mMoreChip); 1882 mMoreChip = null; 1883 // Re-add the spans that were removed. 1884 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1885 // Recreate each removed span. 1886 RecipientChip[] recipients = getSortedRecipients(); 1887 // Start the search for tokens after the last currently visible 1888 // chip. 1889 if (recipients == null || recipients.length == 0) { 1890 return; 1891 } 1892 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1893 Editable editable = getText(); 1894 for (RecipientChip chip : mRemovedSpans) { 1895 int chipStart; 1896 int chipEnd; 1897 String token; 1898 // Need to find the location of the chip, again. 1899 token = (String) chip.getOriginalText(); 1900 // As we find the matching recipient for the remove spans, 1901 // reduce the size of the string we need to search. 1902 // That way, if there are duplicates, we always find the correct 1903 // recipient. 1904 chipStart = editable.toString().indexOf(token, end); 1905 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1906 // Only set the span if we found a matching token. 1907 if (chipStart != -1) { 1908 if (chip instanceof InvisibleRecipientChip) { 1909 /* 1910 * We want the original text to be displayed until we can replace it 1911 * with a real chip 1912 */ 1913 ((InvisibleRecipientChip) chip).setDisplayOriginalText(true); 1914 } 1915 editable.setSpan(chip, chipStart, chipEnd, 1916 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1917 } 1918 } 1919 mRemovedSpans.clear(); 1920 } 1921 } 1922 } 1923 1924 /** 1925 * Show specified chip as selected. If the RecipientChip is just an email address, 1926 * selecting the chip will take the contents of the chip and place it at 1927 * the end of the RecipientEditTextView for inline editing. If the 1928 * RecipientChip is a complete contact, then selecting the chip 1929 * will change the background color of the chip, show the delete icon, 1930 * and a popup window with the address in use highlighted and any other 1931 * alternate addresses for the contact. 1932 * @param currentChip Chip to select. 1933 * @return A RecipientChip in the selected state or null if the chip 1934 * just contained an email address. 1935 */ 1936 private RecipientChip selectChip(RecipientChip currentChip) { 1937 if (shouldShowEditableText(currentChip)) { 1938 CharSequence text = currentChip.getValue(); 1939 Editable editable = getText(); 1940 Spannable spannable = getSpannable(); 1941 int spanStart = spannable.getSpanStart(currentChip); 1942 int spanEnd = spannable.getSpanEnd(currentChip); 1943 spannable.removeSpan(currentChip); 1944 editable.delete(spanStart, spanEnd); 1945 setCursorVisible(true); 1946 setSelection(editable.length()); 1947 editable.append(text); 1948 return constructChipSpan( 1949 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1950 getSelectionStart(), true, false); 1951 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1952 int start = getChipStart(currentChip); 1953 int end = getChipEnd(currentChip); 1954 getSpannable().removeSpan(currentChip); 1955 RecipientChip newChip; 1956 try { 1957 if (mNoChips) { 1958 return null; 1959 } 1960 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1961 } catch (NullPointerException e) { 1962 Log.e(TAG, e.getMessage(), e); 1963 return null; 1964 } 1965 Editable editable = getText(); 1966 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1967 if (start == -1 || end == -1) { 1968 Log.d(TAG, "The chip being selected no longer exists but should."); 1969 } else { 1970 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1971 } 1972 newChip.setSelected(true); 1973 if (shouldShowEditableText(newChip)) { 1974 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1975 } 1976 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1977 setCursorVisible(false); 1978 return newChip; 1979 } else { 1980 int start = getChipStart(currentChip); 1981 int end = getChipEnd(currentChip); 1982 getSpannable().removeSpan(currentChip); 1983 RecipientChip newChip; 1984 try { 1985 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1986 } catch (NullPointerException e) { 1987 Log.e(TAG, e.getMessage(), e); 1988 return null; 1989 } 1990 Editable editable = getText(); 1991 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1992 if (start == -1 || end == -1) { 1993 Log.d(TAG, "The chip being selected no longer exists but should."); 1994 } else { 1995 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1996 } 1997 newChip.setSelected(true); 1998 if (shouldShowEditableText(newChip)) { 1999 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2000 } 2001 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 2002 setCursorVisible(false); 2003 return newChip; 2004 } 2005 } 2006 2007 private boolean shouldShowEditableText(RecipientChip currentChip) { 2008 long contactId = currentChip.getContactId(); 2009 return contactId == RecipientEntry.INVALID_CONTACT 2010 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2011 } 2012 2013 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 2014 int width, Context context) { 2015 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2016 int bottom = calculateOffsetFromBottom(line); 2017 // Align the alternates popup with the left side of the View, 2018 // regardless of the position of the chip tapped. 2019 popup.setWidth(width); 2020 popup.setAnchorView(this); 2021 popup.setVerticalOffset(bottom); 2022 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2023 popup.setOnItemClickListener(new OnItemClickListener() { 2024 @Override 2025 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2026 unselectChip(currentChip); 2027 popup.dismiss(); 2028 } 2029 }); 2030 popup.show(); 2031 ListView listView = popup.getListView(); 2032 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2033 listView.setItemChecked(0, true); 2034 } 2035 2036 /** 2037 * Remove selection from this chip. Unselecting a RecipientChip will render 2038 * the chip without a delete icon and with an unfocused background. This is 2039 * called when the RecipientChip no longer has focus. 2040 */ 2041 private void unselectChip(RecipientChip chip) { 2042 int start = getChipStart(chip); 2043 int end = getChipEnd(chip); 2044 Editable editable = getText(); 2045 mSelectedChip = null; 2046 if (start == -1 || end == -1) { 2047 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2048 setSelection(editable.length()); 2049 commitDefault(); 2050 } else { 2051 getSpannable().removeSpan(chip); 2052 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2053 editable.removeSpan(chip); 2054 try { 2055 if (!mNoChips) { 2056 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2057 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2058 } 2059 } catch (NullPointerException e) { 2060 Log.e(TAG, e.getMessage(), e); 2061 } 2062 } 2063 setCursorVisible(true); 2064 setSelection(editable.length()); 2065 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2066 mAlternatesPopup.dismiss(); 2067 } 2068 } 2069 2070 /** 2071 * Return whether a touch event was inside the delete target of 2072 * a selected chip. It is in the delete target if: 2073 * 1) the x and y points of the event are within the 2074 * delete assset. 2075 * 2) the point tapped would have caused a cursor to appear 2076 * right after the selected chip. 2077 * @return boolean 2078 */ 2079 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2080 // Figure out the bounds of this chip and whether or not 2081 // the user clicked in the X portion. 2082 return chip.isSelected() && offset == getChipEnd(chip); 2083 } 2084 2085 /** 2086 * Remove the chip and any text associated with it from the RecipientEditTextView. 2087 */ 2088 // Visible for testing. 2089 /*pacakge*/ void removeChip(RecipientChip chip) { 2090 Spannable spannable = getSpannable(); 2091 int spanStart = spannable.getSpanStart(chip); 2092 int spanEnd = spannable.getSpanEnd(chip); 2093 Editable text = getText(); 2094 int toDelete = spanEnd; 2095 boolean wasSelected = chip == mSelectedChip; 2096 // Clear that there is a selected chip before updating any text. 2097 if (wasSelected) { 2098 mSelectedChip = null; 2099 } 2100 // Always remove trailing spaces when removing a chip. 2101 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2102 toDelete++; 2103 } 2104 spannable.removeSpan(chip); 2105 if (spanStart >= 0 && toDelete > 0) { 2106 text.delete(spanStart, toDelete); 2107 } 2108 if (wasSelected) { 2109 clearSelectedChip(); 2110 } 2111 } 2112 2113 /** 2114 * Replace this currently selected chip with a new chip 2115 * that uses the contact data provided. 2116 */ 2117 // Visible for testing. 2118 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2119 boolean wasSelected = chip == mSelectedChip; 2120 if (wasSelected) { 2121 mSelectedChip = null; 2122 } 2123 int start = getChipStart(chip); 2124 int end = getChipEnd(chip); 2125 getSpannable().removeSpan(chip); 2126 Editable editable = getText(); 2127 CharSequence chipText = createChip(entry, false); 2128 if (chipText != null) { 2129 if (start == -1 || end == -1) { 2130 Log.e(TAG, "The chip to replace does not exist but should."); 2131 editable.insert(0, chipText); 2132 } else { 2133 if (!TextUtils.isEmpty(chipText)) { 2134 // There may be a space to replace with this chip's new 2135 // associated space. Check for it 2136 int toReplace = end; 2137 while (toReplace >= 0 && toReplace < editable.length() 2138 && editable.charAt(toReplace) == ' ') { 2139 toReplace++; 2140 } 2141 editable.replace(start, toReplace, chipText); 2142 } 2143 } 2144 } 2145 setCursorVisible(true); 2146 if (wasSelected) { 2147 clearSelectedChip(); 2148 } 2149 } 2150 2151 /** 2152 * Handle click events for a chip. When a selected chip receives a click 2153 * event, see if that event was in the delete icon. If so, delete it. 2154 * Otherwise, unselect the chip. 2155 */ 2156 public void onClick(RecipientChip chip, int offset, float x, float y) { 2157 if (chip.isSelected()) { 2158 if (isInDelete(chip, offset, x, y)) { 2159 removeChip(chip); 2160 } else { 2161 clearSelectedChip(); 2162 } 2163 } 2164 } 2165 2166 private boolean chipsPending() { 2167 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2168 } 2169 2170 @Override 2171 public void removeTextChangedListener(TextWatcher watcher) { 2172 mTextWatcher = null; 2173 super.removeTextChangedListener(watcher); 2174 } 2175 2176 private class RecipientTextWatcher implements TextWatcher { 2177 2178 @Override 2179 public void afterTextChanged(Editable s) { 2180 // If the text has been set to null or empty, make sure we remove 2181 // all the spans we applied. 2182 if (TextUtils.isEmpty(s)) { 2183 // Remove all the chips spans. 2184 Spannable spannable = getSpannable(); 2185 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2186 RecipientChip.class); 2187 for (RecipientChip chip : chips) { 2188 spannable.removeSpan(chip); 2189 } 2190 if (mMoreChip != null) { 2191 spannable.removeSpan(mMoreChip); 2192 } 2193 return; 2194 } 2195 // Get whether there are any recipients pending addition to the 2196 // view. If there are, don't do anything in the text watcher. 2197 if (chipsPending()) { 2198 return; 2199 } 2200 // If the user is editing a chip, don't clear it. 2201 if (mSelectedChip != null) { 2202 if (!isGeneratedContact(mSelectedChip)) { 2203 setCursorVisible(true); 2204 setSelection(getText().length()); 2205 clearSelectedChip(); 2206 } else { 2207 return; 2208 } 2209 } 2210 int length = s.length(); 2211 // Make sure there is content there to parse and that it is 2212 // not just the commit character. 2213 if (length > 1) { 2214 if (lastCharacterIsCommitCharacter(s)) { 2215 commitByCharacter(); 2216 return; 2217 } 2218 char last; 2219 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2220 int len = length() - 1; 2221 if (end != len) { 2222 last = s.charAt(end); 2223 } else { 2224 last = s.charAt(len); 2225 } 2226 if (last == COMMIT_CHAR_SPACE) { 2227 if (!isPhoneQuery()) { 2228 // Check if this is a valid email address. If it is, 2229 // commit it. 2230 String text = getText().toString(); 2231 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2232 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2233 tokenStart)); 2234 if (!TextUtils.isEmpty(sub) && mValidator != null && 2235 mValidator.isValid(sub)) { 2236 commitByCharacter(); 2237 } 2238 } 2239 } 2240 } 2241 } 2242 2243 @Override 2244 public void onTextChanged(CharSequence s, int start, int before, int count) { 2245 // The user deleted some text OR some text was replaced; check to 2246 // see if the insertion point is on a space 2247 // following a chip. 2248 if (before - count == 1) { 2249 // If the item deleted is a space, and the thing before the 2250 // space is a chip, delete the entire span. 2251 int selStart = getSelectionStart(); 2252 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2253 RecipientChip.class); 2254 if (repl.length > 0) { 2255 // There is a chip there! Just remove it. 2256 Editable editable = getText(); 2257 // Add the separator token. 2258 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2259 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2260 tokenEnd = tokenEnd + 1; 2261 if (tokenEnd > editable.length()) { 2262 tokenEnd = editable.length(); 2263 } 2264 editable.delete(tokenStart, tokenEnd); 2265 getSpannable().removeSpan(repl[0]); 2266 } 2267 } else if (count > before) { 2268 if (mSelectedChip != null 2269 && isGeneratedContact(mSelectedChip)) { 2270 if (lastCharacterIsCommitCharacter(s)) { 2271 commitByCharacter(); 2272 return; 2273 } 2274 } 2275 } 2276 } 2277 2278 @Override 2279 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2280 // Do nothing. 2281 } 2282 } 2283 2284 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2285 char last; 2286 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2287 int len = length() - 1; 2288 if (end != len) { 2289 last = s.charAt(end); 2290 } else { 2291 last = s.charAt(len); 2292 } 2293 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2294 } 2295 2296 public boolean isGeneratedContact(RecipientChip chip) { 2297 long contactId = chip.getContactId(); 2298 return contactId == RecipientEntry.INVALID_CONTACT 2299 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2300 } 2301 2302 /** 2303 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2304 */ 2305 private void handlePasteClip(ClipData clip) { 2306 removeTextChangedListener(mTextWatcher); 2307 2308 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2309 for (int i = 0; i < clip.getItemCount(); i++) { 2310 CharSequence paste = clip.getItemAt(i).getText(); 2311 if (paste != null) { 2312 int start = getSelectionStart(); 2313 int end = getSelectionEnd(); 2314 Editable editable = getText(); 2315 if (start >= 0 && end >= 0 && start != end) { 2316 editable.append(paste, start, end); 2317 } else { 2318 editable.insert(end, paste); 2319 } 2320 handlePasteAndReplace(); 2321 } 2322 } 2323 } 2324 2325 mHandler.post(mAddTextWatcher); 2326 } 2327 2328 @Override 2329 public boolean onTextContextMenuItem(int id) { 2330 if (id == android.R.id.paste) { 2331 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2332 Context.CLIPBOARD_SERVICE); 2333 handlePasteClip(clipboard.getPrimaryClip()); 2334 return true; 2335 } 2336 return super.onTextContextMenuItem(id); 2337 } 2338 2339 private void handlePasteAndReplace() { 2340 ArrayList<RecipientChip> created = handlePaste(); 2341 if (created != null && created.size() > 0) { 2342 // Perform reverse lookups on the pasted contacts. 2343 IndividualReplacementTask replace = new IndividualReplacementTask(); 2344 replace.execute(created); 2345 } 2346 } 2347 2348 // Visible for testing. 2349 /* package */ArrayList<RecipientChip> handlePaste() { 2350 String text = getText().toString(); 2351 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2352 String lastAddress = text.substring(originalTokenStart); 2353 int tokenStart = originalTokenStart; 2354 int prevTokenStart = tokenStart; 2355 RecipientChip findChip = null; 2356 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2357 if (tokenStart != 0) { 2358 // There are things before this! 2359 while (tokenStart != 0 && findChip == null) { 2360 prevTokenStart = tokenStart; 2361 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2362 findChip = findChip(tokenStart); 2363 if (tokenStart == originalTokenStart && findChip == null) { 2364 break; 2365 } 2366 } 2367 if (tokenStart != originalTokenStart) { 2368 if (findChip != null) { 2369 tokenStart = prevTokenStart; 2370 } 2371 int tokenEnd; 2372 RecipientChip createdChip; 2373 while (tokenStart < originalTokenStart) { 2374 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2375 tokenStart)); 2376 commitChip(tokenStart, tokenEnd, getText()); 2377 createdChip = findChip(tokenStart); 2378 if (createdChip == null) { 2379 break; 2380 } 2381 // +1 for the space at the end. 2382 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2383 created.add(createdChip); 2384 } 2385 } 2386 } 2387 // Take a look at the last token. If the token has been completed with a 2388 // commit character, create a chip. 2389 if (isCompletedToken(lastAddress)) { 2390 Editable editable = getText(); 2391 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2392 commitChip(tokenStart, editable.length(), editable); 2393 created.add(findChip(tokenStart)); 2394 } 2395 return created; 2396 } 2397 2398 // Visible for testing. 2399 /* package */int movePastTerminators(int tokenEnd) { 2400 if (tokenEnd >= length()) { 2401 return tokenEnd; 2402 } 2403 char atEnd = getText().toString().charAt(tokenEnd); 2404 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2405 tokenEnd++; 2406 } 2407 // This token had not only an end token character, but also a space 2408 // separating it from the next token. 2409 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2410 tokenEnd++; 2411 } 2412 return tokenEnd; 2413 } 2414 2415 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2416 private RecipientChip createFreeChip(RecipientEntry entry) { 2417 try { 2418 if (mNoChips) { 2419 return null; 2420 } 2421 return constructChipSpan(entry, -1, false, 2422 false /*leave space for contact icon */); 2423 } catch (NullPointerException e) { 2424 Log.e(TAG, e.getMessage(), e); 2425 return null; 2426 } 2427 } 2428 2429 @Override 2430 protected void onPreExecute() { 2431 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2432 // replaced 2433 final List<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2434 final RecipientChip[] existingChips = getSortedRecipients(); 2435 for (int i = 0; i < existingChips.length; i++) { 2436 originalRecipients.add(existingChips[i]); 2437 } 2438 if (mRemovedSpans != null) { 2439 originalRecipients.addAll(mRemovedSpans); 2440 } 2441 2442 final List<RecipientChip> replacements = 2443 new ArrayList<RecipientChip>(originalRecipients.size()); 2444 2445 for (final RecipientChip chip : originalRecipients) { 2446 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2447 && getSpannable().getSpanStart(chip) != -1) { 2448 replacements.add(createFreeChip(chip.getEntry())); 2449 } else { 2450 replacements.add(null); 2451 } 2452 } 2453 2454 processReplacements(originalRecipients, replacements); 2455 } 2456 2457 @Override 2458 protected Void doInBackground(Void... params) { 2459 if (mIndividualReplacements != null) { 2460 mIndividualReplacements.cancel(true); 2461 } 2462 // For each chip in the list, look up the matching contact. 2463 // If there is a match, replace that chip with the matching 2464 // chip. 2465 final ArrayList<RecipientChip> recipients = new ArrayList<RecipientChip>(); 2466 RecipientChip[] existingChips = getSortedRecipients(); 2467 for (int i = 0; i < existingChips.length; i++) { 2468 recipients.add(existingChips[i]); 2469 } 2470 if (mRemovedSpans != null) { 2471 recipients.addAll(mRemovedSpans); 2472 } 2473 ArrayList<String> addresses = new ArrayList<String>(); 2474 RecipientChip chip; 2475 for (int i = 0; i < recipients.size(); i++) { 2476 chip = recipients.get(i); 2477 if (chip != null) { 2478 addresses.add(createAddressText(chip.getEntry())); 2479 } 2480 } 2481 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2482 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2483 new RecipientMatchCallback() { 2484 2485 @Override 2486 public void matchesFound(Map<String, RecipientEntry> entries) { 2487 final ArrayList<RecipientChip> replacements = 2488 new ArrayList<RecipientChip>(); 2489 for (final RecipientChip temp : recipients) { 2490 RecipientEntry entry = null; 2491 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2492 .getContactId()) 2493 && getSpannable().getSpanStart(temp) != -1) { 2494 // Replace this. 2495 entry = createValidatedEntry( 2496 entries.get(tokenizeAddress(temp.getEntry() 2497 .getDestination()))); 2498 } 2499 if (entry != null) { 2500 replacements.add(createFreeChip(entry)); 2501 } else { 2502 replacements.add(null); 2503 } 2504 } 2505 processReplacements(recipients, replacements); 2506 } 2507 2508 @Override 2509 public void matchesNotFound(final Set<String> addresses) { 2510 final List<RecipientChip> replacements = 2511 new ArrayList<RecipientChip>(addresses.size()); 2512 2513 for (final RecipientChip temp : recipients) { 2514 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2515 .getContactId()) 2516 && getSpannable().getSpanStart(temp) != -1) { 2517 if (addresses.contains(temp.getEntry().getDestination())) { 2518 replacements.add(createFreeChip(temp.getEntry())); 2519 } else { 2520 replacements.add(null); 2521 } 2522 } else { 2523 replacements.add(null); 2524 } 2525 } 2526 2527 processReplacements(recipients, replacements); 2528 } 2529 }); 2530 return null; 2531 } 2532 2533 private void processReplacements(final List<RecipientChip> recipients, 2534 final List<RecipientChip> replacements) { 2535 if (replacements != null && replacements.size() > 0) { 2536 final Runnable runnable = new Runnable() { 2537 @Override 2538 public void run() { 2539 Editable oldText = getText(); 2540 int start, end; 2541 int i = 0; 2542 for (RecipientChip chip : recipients) { 2543 RecipientChip replacement = replacements.get(i); 2544 if (replacement != null) { 2545 final RecipientEntry oldEntry = chip.getEntry(); 2546 final RecipientEntry newEntry = replacement.getEntry(); 2547 final boolean isBetter = 2548 RecipientAlternatesAdapter.getBetterRecipient( 2549 oldEntry, newEntry) == newEntry; 2550 2551 if (isBetter) { 2552 // Find the location of the chip in the text currently shown. 2553 start = oldText.getSpanStart(chip); 2554 if (start != -1) { 2555 // Replacing the entirety of what the chip represented, 2556 // including the extra space dividing it from other chips. 2557 end = oldText.getSpanEnd(chip) + 1; 2558 oldText.removeSpan(chip); 2559 // Make sure we always have just 1 space at the end to 2560 // separate this chip from the next chip. 2561 SpannableString displayText = 2562 new SpannableString(createAddressText( 2563 replacement.getEntry()).trim() 2564 + " "); 2565 displayText.setSpan(replacement, 0, 2566 displayText.length() - 1, 2567 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2568 // Replace the old text we found with with the new display 2569 // text, which now may also contain the display name of the 2570 // recipient. 2571 oldText.replace(start, end, displayText); 2572 replacement.setOriginalText(displayText.toString()); 2573 replacements.set(i, null); 2574 2575 recipients.set(i, replacement); 2576 } 2577 } 2578 } 2579 i++; 2580 } 2581 } 2582 }; 2583 2584 if (Looper.myLooper() == Looper.getMainLooper()) { 2585 runnable.run(); 2586 } else { 2587 mHandler.post(runnable); 2588 } 2589 } 2590 } 2591 } 2592 2593 private class IndividualReplacementTask 2594 extends AsyncTask<ArrayList<RecipientChip>, Void, Void> { 2595 @Override 2596 protected Void doInBackground(ArrayList<RecipientChip>... params) { 2597 // For each chip in the list, look up the matching contact. 2598 // If there is a match, replace that chip with the matching 2599 // chip. 2600 final ArrayList<RecipientChip> originalRecipients = params[0]; 2601 ArrayList<String> addresses = new ArrayList<String>(); 2602 RecipientChip chip; 2603 for (int i = 0; i < originalRecipients.size(); i++) { 2604 chip = originalRecipients.get(i); 2605 if (chip != null) { 2606 addresses.add(createAddressText(chip.getEntry())); 2607 } 2608 } 2609 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2610 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2611 new RecipientMatchCallback() { 2612 2613 @Override 2614 public void matchesFound(Map<String, RecipientEntry> entries) { 2615 for (final RecipientChip temp : originalRecipients) { 2616 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2617 .getContactId()) 2618 && getSpannable().getSpanStart(temp) != -1) { 2619 // Replace this. 2620 RecipientEntry entry = createValidatedEntry(entries 2621 .get(tokenizeAddress(temp.getEntry().getDestination()) 2622 .toLowerCase())); 2623 // If we don't have a validated contact 2624 // match, just use the 2625 // entry as it existed before. 2626 if (entry == null && !isPhoneQuery()) { 2627 entry = temp.getEntry(); 2628 } 2629 final RecipientEntry tempEntry = entry; 2630 if (tempEntry != null) { 2631 mHandler.post(new Runnable() { 2632 @Override 2633 public void run() { 2634 replaceChip(temp, tempEntry); 2635 } 2636 }); 2637 } 2638 } 2639 } 2640 } 2641 2642 @Override 2643 public void matchesNotFound(final Set<String> addresses) { 2644 // No action required 2645 } 2646 }); 2647 return null; 2648 } 2649 } 2650 2651 2652 /** 2653 * MoreImageSpan is a simple class created for tracking the existence of a 2654 * more chip across activity restarts/ 2655 */ 2656 private class MoreImageSpan extends ImageSpan { 2657 public MoreImageSpan(Drawable b) { 2658 super(b); 2659 } 2660 } 2661 2662 @Override 2663 public boolean onDown(MotionEvent e) { 2664 return false; 2665 } 2666 2667 @Override 2668 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2669 // Do nothing. 2670 return false; 2671 } 2672 2673 @Override 2674 public void onLongPress(MotionEvent event) { 2675 if (mSelectedChip != null) { 2676 return; 2677 } 2678 float x = event.getX(); 2679 float y = event.getY(); 2680 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2681 RecipientChip currentChip = findChip(offset); 2682 if (currentChip != null) { 2683 if (mDragEnabled) { 2684 // Start drag-and-drop for the selected chip. 2685 startDrag(currentChip); 2686 } else { 2687 // Copy the selected chip email address. 2688 showCopyDialog(currentChip.getEntry().getDestination()); 2689 } 2690 } 2691 } 2692 2693 /** 2694 * Enables drag-and-drop for chips. 2695 */ 2696 public void enableDrag() { 2697 mDragEnabled = true; 2698 } 2699 2700 /** 2701 * Starts drag-and-drop for the selected chip. 2702 */ 2703 private void startDrag(RecipientChip currentChip) { 2704 String address = currentChip.getEntry().getDestination(); 2705 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2706 2707 // Start drag mode. 2708 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2709 2710 // Remove the current chip, so drag-and-drop will result in a move. 2711 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2712 removeChip(currentChip); 2713 } 2714 2715 /** 2716 * Handles drag event. 2717 */ 2718 @Override 2719 public boolean onDragEvent(DragEvent event) { 2720 switch (event.getAction()) { 2721 case DragEvent.ACTION_DRAG_STARTED: 2722 // Only handle plain text drag and drop. 2723 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2724 case DragEvent.ACTION_DRAG_ENTERED: 2725 requestFocus(); 2726 return true; 2727 case DragEvent.ACTION_DROP: 2728 handlePasteClip(event.getClipData()); 2729 return true; 2730 } 2731 return false; 2732 } 2733 2734 /** 2735 * Drag shadow for a {@link RecipientChip}. 2736 */ 2737 private final class RecipientChipShadow extends DragShadowBuilder { 2738 private final RecipientChip mChip; 2739 2740 public RecipientChipShadow(RecipientChip chip) { 2741 mChip = chip; 2742 } 2743 2744 @Override 2745 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2746 Rect rect = mChip.getBounds(); 2747 shadowSize.set(rect.width(), rect.height()); 2748 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2749 } 2750 2751 @Override 2752 public void onDrawShadow(Canvas canvas) { 2753 mChip.draw(canvas); 2754 } 2755 } 2756 2757 private void showCopyDialog(final String address) { 2758 mCopyAddress = address; 2759 mCopyDialog.setTitle(address); 2760 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2761 mCopyDialog.setCancelable(true); 2762 mCopyDialog.setCanceledOnTouchOutside(true); 2763 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2764 button.setOnClickListener(this); 2765 int btnTitleId; 2766 if (isPhoneQuery()) { 2767 btnTitleId = R.string.copy_number; 2768 } else { 2769 btnTitleId = R.string.copy_email; 2770 } 2771 String buttonTitle = getContext().getResources().getString(btnTitleId); 2772 button.setText(buttonTitle); 2773 mCopyDialog.setOnDismissListener(this); 2774 mCopyDialog.show(); 2775 } 2776 2777 @Override 2778 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2779 // Do nothing. 2780 return false; 2781 } 2782 2783 @Override 2784 public void onShowPress(MotionEvent e) { 2785 // Do nothing. 2786 } 2787 2788 @Override 2789 public boolean onSingleTapUp(MotionEvent e) { 2790 // Do nothing. 2791 return false; 2792 } 2793 2794 @Override 2795 public void onDismiss(DialogInterface dialog) { 2796 mCopyAddress = null; 2797 } 2798 2799 @Override 2800 public void onClick(View v) { 2801 // Copy this to the clipboard. 2802 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2803 Context.CLIPBOARD_SERVICE); 2804 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2805 mCopyDialog.dismiss(); 2806 } 2807 2808 protected boolean isPhoneQuery() { 2809 return getAdapter() != null 2810 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2811 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2812 } 2813} 2814