RecipientEditTextView.java revision 3201470720e62e3d76f0748468fb5c107df1a6c8
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 SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 115 + String.valueOf(COMMIT_CHAR_SPACE); 116 117 private static final String TAG = "RecipientEditTextView"; 118 119 private static int DISMISS = "dismiss".hashCode(); 120 121 private static final long DISMISS_DELAY = 300; 122 123 // TODO: get correct number/ algorithm from with UX. 124 // Visible for testing. 125 /*package*/ static final int CHIP_LIMIT = 2; 126 127 private static final int MAX_CHIPS_PARSED = 50; 128 129 private static int sSelectedTextColor = -1; 130 131 // Resources for displaying chips. 132 private Drawable mChipBackground = null; 133 134 private Drawable mChipDelete = null; 135 136 private Drawable mInvalidChipBackground; 137 138 private Drawable mChipBackgroundPressed; 139 140 private float mChipHeight; 141 142 private float mChipFontSize; 143 144 private float mLineSpacingExtra; 145 146 private int mChipPadding; 147 148 private Tokenizer mTokenizer; 149 150 private Validator mValidator; 151 152 private RecipientChip mSelectedChip; 153 154 private int mAlternatesLayout; 155 156 private Bitmap mDefaultContactPhoto; 157 158 private ImageSpan mMoreChip; 159 160 private TextView mMoreItem; 161 162 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 163 164 private Handler mHandler; 165 166 private int mPendingChipsCount = 0; 167 168 private boolean mNoChips = false; 169 170 private ListPopupWindow mAlternatesPopup; 171 172 private ListPopupWindow mAddressPopup; 173 174 private ArrayList<RecipientChip> mTemporaryRecipients; 175 176 private ArrayList<RecipientChip> mRemovedSpans; 177 178 private boolean mShouldShrink = true; 179 180 // Chip copy fields. 181 private GestureDetector mGestureDetector; 182 183 private Dialog mCopyDialog; 184 185 private String mCopyAddress; 186 187 /** 188 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 189 * selected chip. 190 */ 191 private OnItemClickListener mAlternatesListener; 192 193 private int mCheckedItem; 194 195 private TextWatcher mTextWatcher; 196 197 // Obtain the enclosing scroll view, if it exists, so that the view can be 198 // scrolled to show the last line of chips content. 199 private ScrollView mScrollView; 200 201 private boolean mTriedGettingScrollView; 202 203 private boolean mDragEnabled = false; 204 205 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 206 // parens, so numbers such as "1 (425) 222-2342" match. 207 private static final Pattern PHONE_PATTERN 208 = Pattern.compile( // sdd = space, dot, or dash 209 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 210 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 211 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 212 213 private final Runnable mAddTextWatcher = new Runnable() { 214 @Override 215 public void run() { 216 if (mTextWatcher == null) { 217 mTextWatcher = new RecipientTextWatcher(); 218 addTextChangedListener(mTextWatcher); 219 } 220 } 221 }; 222 223 private IndividualReplacementTask mIndividualReplacements; 224 225 private Runnable mHandlePendingChips = new Runnable() { 226 227 @Override 228 public void run() { 229 handlePendingChips(); 230 } 231 232 }; 233 234 private Runnable mDelayedShrink = new Runnable() { 235 236 @Override 237 public void run() { 238 shrink(); 239 } 240 241 }; 242 243 private int mMaxLines; 244 245 private static int sExcessTopPadding = -1; 246 247 private int mActionBarHeight; 248 249 public RecipientEditTextView(Context context, AttributeSet attrs) { 250 super(context, attrs); 251 setChipDimensions(context, attrs); 252 if (sSelectedTextColor == -1) { 253 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 254 } 255 mAlternatesPopup = new ListPopupWindow(context); 256 mAddressPopup = new ListPopupWindow(context); 257 mCopyDialog = new Dialog(context); 258 mAlternatesListener = new OnItemClickListener() { 259 @Override 260 public void onItemClick(AdapterView<?> adapterView,View view, int position, 261 long rowId) { 262 mAlternatesPopup.setOnItemClickListener(null); 263 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 264 .getRecipientEntry(position)); 265 Message delayed = Message.obtain(mHandler, DISMISS); 266 delayed.obj = mAlternatesPopup; 267 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 268 clearComposingText(); 269 } 270 }; 271 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 272 setOnItemClickListener(this); 273 setCustomSelectionActionModeCallback(this); 274 mHandler = new Handler() { 275 @Override 276 public void handleMessage(Message msg) { 277 if (msg.what == DISMISS) { 278 ((ListPopupWindow) msg.obj).dismiss(); 279 return; 280 } 281 super.handleMessage(msg); 282 } 283 }; 284 mTextWatcher = new RecipientTextWatcher(); 285 addTextChangedListener(mTextWatcher); 286 mGestureDetector = new GestureDetector(context, this); 287 setOnEditorActionListener(this); 288 } 289 290 @Override 291 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 292 if (action == EditorInfo.IME_ACTION_DONE) { 293 if (commitDefault()) { 294 return true; 295 } 296 if (mSelectedChip != null) { 297 clearSelectedChip(); 298 return true; 299 } else if (focusNext()) { 300 return true; 301 } 302 } 303 return false; 304 } 305 306 @Override 307 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 308 InputConnection connection = super.onCreateInputConnection(outAttrs); 309 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 310 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 311 // clear the existing action 312 outAttrs.imeOptions ^= imeActions; 313 // set the DONE action 314 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 315 } 316 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 317 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 318 } 319 320 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 321 outAttrs.actionLabel = getContext().getString(R.string.done); 322 return connection; 323 } 324 325 /*package*/ RecipientChip getLastChip() { 326 RecipientChip last = null; 327 RecipientChip[] chips = getSortedRecipients(); 328 if (chips != null && chips.length > 0) { 329 last = chips[chips.length - 1]; 330 } 331 return last; 332 } 333 334 @Override 335 public void onSelectionChanged(int start, int end) { 336 // When selection changes, see if it is inside the chips area. 337 // If so, move the cursor back after the chips again. 338 RecipientChip last = getLastChip(); 339 if (last != null && start < getSpannable().getSpanEnd(last)) { 340 // Grab the last chip and set the cursor to after it. 341 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 342 } 343 super.onSelectionChanged(start, end); 344 } 345 346 @Override 347 public void onRestoreInstanceState(Parcelable state) { 348 if (!TextUtils.isEmpty(getText())) { 349 super.onRestoreInstanceState(null); 350 } else { 351 super.onRestoreInstanceState(state); 352 } 353 } 354 355 @Override 356 public Parcelable onSaveInstanceState() { 357 // If the user changes orientation while they are editing, just roll back the selection. 358 clearSelectedChip(); 359 return super.onSaveInstanceState(); 360 } 361 362 /** 363 * Convenience method: Append the specified text slice to the TextView's 364 * display buffer, upgrading it to BufferType.EDITABLE if it was 365 * not already editable. Commas are excluded as they are added automatically 366 * by the view. 367 */ 368 @Override 369 public void append(CharSequence text, int start, int end) { 370 // We don't care about watching text changes while appending. 371 if (mTextWatcher != null) { 372 removeTextChangedListener(mTextWatcher); 373 } 374 super.append(text, start, end); 375 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 376 String displayString = text.toString(); 377 378 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 379 // We have no separator, so we should add it 380 super.append(SEPARATOR, 0, SEPARATOR.length()); 381 displayString += SEPARATOR; 382 } 383 384 if (!TextUtils.isEmpty(displayString) 385 && TextUtils.getTrimmedLength(displayString) > 0) { 386 mPendingChipsCount++; 387 mPendingChips.add(displayString); 388 } 389 } 390 // Put a message on the queue to make sure we ALWAYS handle pending 391 // chips. 392 if (mPendingChipsCount > 0) { 393 postHandlePendingChips(); 394 } 395 mHandler.post(mAddTextWatcher); 396 } 397 398 @Override 399 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 400 super.onFocusChanged(hasFocus, direction, previous); 401 if (!hasFocus) { 402 shrink(); 403 } else { 404 expand(); 405 } 406 } 407 408 private int getExcessTopPadding() { 409 if (sExcessTopPadding == -1) { 410 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 411 } 412 return sExcessTopPadding; 413 } 414 415 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 416 super.setAdapter(adapter); 417 ((BaseRecipientAdapter) adapter) 418 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 419 @Override 420 public void onChanged(List<RecipientEntry> entries) { 421 // Scroll the chips field to the top of the screen so 422 // that the user can see as many results as possible. 423 if (entries != null && entries.size() > 0) { 424 scrollBottomIntoView(); 425 } 426 } 427 }); 428 } 429 430 private void scrollBottomIntoView() { 431 if (mScrollView != null && mShouldShrink) { 432 int[] location = new int[2]; 433 getLocationOnScreen(location); 434 int height = getHeight(); 435 int currentPos = location[1] + height; 436 // Desired position shows at least 1 line of chips below the action 437 // bar. We add excess padding to make sure this is always below other 438 // content. 439 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 440 if (currentPos > desiredPos) { 441 mScrollView.scrollBy(0, currentPos - desiredPos); 442 } 443 } 444 } 445 446 @Override 447 public void performValidation() { 448 // Do nothing. Chips handles its own validation. 449 } 450 451 private void shrink() { 452 if (mTokenizer == null) { 453 return; 454 } 455 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 456 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 457 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 458 clearSelectedChip(); 459 } else { 460 if (getWidth() <= 0) { 461 // We don't have the width yet which means the view hasn't been drawn yet 462 // and there is no reason to attempt to commit chips yet. 463 // This focus lost must be the result of an orientation change 464 // or an initial rendering. 465 // Re-post the shrink for later. 466 mHandler.removeCallbacks(mDelayedShrink); 467 mHandler.post(mDelayedShrink); 468 return; 469 } 470 // Reset any pending chips as they would have been handled 471 // when the field lost focus. 472 if (mPendingChipsCount > 0) { 473 postHandlePendingChips(); 474 } else { 475 Editable editable = getText(); 476 int end = getSelectionEnd(); 477 int start = mTokenizer.findTokenStart(editable, end); 478 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 479 if ((chips == null || chips.length == 0)) { 480 Editable text = getText(); 481 int whatEnd = mTokenizer.findTokenEnd(text, start); 482 // This token was already tokenized, so skip past the ending token. 483 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 484 whatEnd = movePastTerminators(whatEnd); 485 } 486 // In the middle of chip; treat this as an edit 487 // and commit the whole token. 488 int selEnd = getSelectionEnd(); 489 if (whatEnd != selEnd) { 490 handleEdit(start, whatEnd); 491 } else { 492 commitChip(start, end, editable); 493 } 494 } 495 } 496 mHandler.post(mAddTextWatcher); 497 } 498 createMoreChip(); 499 } 500 501 private void expand() { 502 if (mShouldShrink) { 503 setMaxLines(Integer.MAX_VALUE); 504 } 505 removeMoreChip(); 506 setCursorVisible(true); 507 Editable text = getText(); 508 setSelection(text != null && text.length() > 0 ? text.length() : 0); 509 // If there are any temporary chips, try replacing them now that the user 510 // has expanded the field. 511 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 512 new RecipientReplacementTask().execute(); 513 mTemporaryRecipients = null; 514 } 515 } 516 517 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 518 paint.setTextSize(mChipFontSize); 519 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 520 Log.d(TAG, "Max width is negative: " + maxWidth); 521 } 522 return TextUtils.ellipsize(text, paint, maxWidth, 523 TextUtils.TruncateAt.END); 524 } 525 526 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 527 // Ellipsize the text so that it takes AT MOST the entire width of the 528 // autocomplete text entry area. Make sure to leave space for padding 529 // on the sides. 530 int height = (int) mChipHeight; 531 int deleteWidth = height; 532 float[] widths = new float[1]; 533 paint.getTextWidths(" ", widths); 534 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 535 calculateAvailableWidth(true) - deleteWidth - widths[0]); 536 537 // Make sure there is a minimum chip width so the user can ALWAYS 538 // tap a chip without difficulty. 539 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 540 ellipsizedText.length())) 541 + (mChipPadding * 2) + deleteWidth); 542 543 // Create the background of the chip. 544 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 545 Canvas canvas = new Canvas(tmpBitmap); 546 if (mChipBackgroundPressed != null) { 547 mChipBackgroundPressed.setBounds(0, 0, width, height); 548 mChipBackgroundPressed.draw(canvas); 549 paint.setColor(sSelectedTextColor); 550 // Vertically center the text in the chip. 551 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 552 getTextYOffset((String) ellipsizedText, paint, height), paint); 553 // Make the delete a square. 554 Rect backgroundPadding = new Rect(); 555 mChipBackgroundPressed.getPadding(backgroundPadding); 556 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 557 0 + backgroundPadding.top, 558 width - backgroundPadding.right, 559 height - backgroundPadding.bottom); 560 mChipDelete.draw(canvas); 561 } else { 562 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 563 } 564 return tmpBitmap; 565 } 566 567 568 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout, 569 boolean leaveBlankIconSpacer) { 570 // Ellipsize the text so that it takes AT MOST the entire width of the 571 // autocomplete text entry area. Make sure to leave space for padding 572 // on the sides. 573 int height = (int) mChipHeight; 574 int iconWidth = height; 575 float[] widths = new float[1]; 576 paint.getTextWidths(" ", widths); 577 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 578 calculateAvailableWidth(false) - iconWidth - widths[0]); 579 // Make sure there is a minimum chip width so the user can ALWAYS 580 // tap a chip without difficulty. 581 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 582 ellipsizedText.length())) 583 + (mChipPadding * 2) + iconWidth); 584 585 // Create the background of the chip. 586 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 587 Canvas canvas = new Canvas(tmpBitmap); 588 Drawable background = getChipBackground(contact); 589 if (background != null) { 590 background.setBounds(0, 0, width, height); 591 background.draw(canvas); 592 593 // Don't draw photos for recipients that have been typed in OR generated on the fly. 594 long contactId = contact.getContactId(); 595 boolean drawPhotos = isPhoneQuery() ? 596 contactId != RecipientEntry.INVALID_CONTACT 597 : (contactId != RecipientEntry.INVALID_CONTACT 598 && (contactId != RecipientEntry.GENERATED_CONTACT && 599 !TextUtils.isEmpty(contact.getDisplayName()))); 600 if (drawPhotos) { 601 byte[] photoBytes = contact.getPhotoBytes(); 602 // There may not be a photo yet if anything but the first contact address 603 // was selected. 604 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 605 // TODO: cache this in the recipient entry? 606 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 607 .getPhotoThumbnailUri()); 608 photoBytes = contact.getPhotoBytes(); 609 } 610 611 Bitmap photo; 612 if (photoBytes != null) { 613 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 614 } else { 615 // TODO: can the scaled down default photo be cached? 616 photo = mDefaultContactPhoto; 617 } 618 // Draw the photo on the left side. 619 if (photo != null) { 620 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 621 Rect backgroundPadding = new Rect(); 622 mChipBackground.getPadding(backgroundPadding); 623 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 624 0 + backgroundPadding.top, 625 width - backgroundPadding.right, 626 height - backgroundPadding.bottom); 627 Matrix matrix = new Matrix(); 628 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 629 canvas.drawBitmap(photo, matrix, paint); 630 } 631 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 632 iconWidth = 0; 633 } 634 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 635 // Vertically center the text in the chip. 636 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 637 getTextYOffset((String)ellipsizedText, paint, height), paint); 638 } else { 639 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 640 } 641 return tmpBitmap; 642 } 643 644 /** 645 * Get the background drawable for a RecipientChip. 646 */ 647 // Visible for testing. 648 /* package */Drawable getChipBackground(RecipientEntry contact) { 649 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 650 } 651 652 private float getTextYOffset(String text, TextPaint paint, int height) { 653 Rect bounds = new Rect(); 654 paint.getTextBounds(text, 0, text.length(), bounds); 655 int textHeight = bounds.bottom - bounds.top ; 656 return height - ((height - textHeight) / 2) - (int)paint.descent(); 657 } 658 659 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed, 660 boolean leaveIconSpace) throws NullPointerException { 661 if (mChipBackground == null) { 662 throw new NullPointerException( 663 "Unable to render any chips as setChipDimensions was not called."); 664 } 665 Layout layout = getLayout(); 666 667 TextPaint paint = getPaint(); 668 float defaultSize = paint.getTextSize(); 669 int defaultColor = paint.getColor(); 670 671 Bitmap tmpBitmap; 672 if (pressed) { 673 tmpBitmap = createSelectedChip(contact, paint, layout); 674 675 } else { 676 tmpBitmap = createUnselectedChip(contact, paint, layout, leaveIconSpace); 677 } 678 679 // Pass the full text, un-ellipsized, to the chip. 680 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 681 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 682 RecipientChip recipientChip = new VisibleRecipientChip(result, contact, offset); 683 // Return text to the original size. 684 paint.setTextSize(defaultSize); 685 paint.setColor(defaultColor); 686 return recipientChip; 687 } 688 689 /** 690 * Calculate the bottom of the line the chip will be located on using: 691 * 1) which line the chip appears on 692 * 2) the height of a chip 693 * 3) padding built into the edit text view 694 */ 695 private int calculateOffsetFromBottom(int line) { 696 // Line offsets start at zero. 697 int actualLine = getLineCount() - (line + 1); 698 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 699 + getDropDownVerticalOffset(); 700 } 701 702 /** 703 * Get the max amount of space a chip can take up. The formula takes into 704 * account the width of the EditTextView, any view padding, and padding 705 * that will be added to the chip. 706 */ 707 private float calculateAvailableWidth(boolean pressed) { 708 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 709 } 710 711 712 private void setChipDimensions(Context context, AttributeSet attrs) { 713 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 714 0); 715 Resources r = getContext().getResources(); 716 717 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 718 if (mChipBackground == null) { 719 mChipBackground = r.getDrawable(R.drawable.chip_background); 720 } 721 mChipBackgroundPressed = a 722 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 723 if (mChipBackgroundPressed == null) { 724 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 725 } 726 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 727 if (mChipDelete == null) { 728 mChipDelete = r.getDrawable(R.drawable.chip_delete); 729 } 730 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 731 if (mChipPadding == -1) { 732 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 733 } 734 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 735 -1); 736 if (mAlternatesLayout == -1) { 737 mAlternatesLayout = R.layout.chips_alternate_item; 738 } 739 740 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 741 742 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 743 744 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 745 if (mChipHeight == -1) { 746 mChipHeight = r.getDimension(R.dimen.chip_height); 747 } 748 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 749 if (mChipFontSize == -1) { 750 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 751 } 752 mInvalidChipBackground = a 753 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 754 if (mInvalidChipBackground == null) { 755 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 756 } 757 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 758 mMaxLines = r.getInteger(R.integer.chips_max_lines); 759 TypedValue tv = new TypedValue(); 760 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 761 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 762 .getDisplayMetrics()); 763 } 764 a.recycle(); 765 } 766 767 // Visible for testing. 768 /* package */ void setMoreItem(TextView moreItem) { 769 mMoreItem = moreItem; 770 } 771 772 773 // Visible for testing. 774 /* package */ void setChipBackground(Drawable chipBackground) { 775 mChipBackground = chipBackground; 776 } 777 778 // Visible for testing. 779 /* package */ void setChipHeight(int height) { 780 mChipHeight = height; 781 } 782 783 /** 784 * Set whether to shrink the recipients field such that at most 785 * one line of recipients chips are shown when the field loses 786 * focus. By default, the number of displayed recipients will be 787 * limited and a "more" chip will be shown when focus is lost. 788 * @param shrink 789 */ 790 public void setOnFocusListShrinkRecipients(boolean shrink) { 791 mShouldShrink = shrink; 792 } 793 794 @Override 795 public void onSizeChanged(int width, int height, int oldw, int oldh) { 796 super.onSizeChanged(width, height, oldw, oldh); 797 if (width != 0 && height != 0) { 798 if (mPendingChipsCount > 0) { 799 postHandlePendingChips(); 800 } else { 801 checkChipWidths(); 802 } 803 } 804 // Try to find the scroll view parent, if it exists. 805 if (mScrollView == null && !mTriedGettingScrollView) { 806 ViewParent parent = getParent(); 807 while (parent != null && !(parent instanceof ScrollView)) { 808 parent = parent.getParent(); 809 } 810 if (parent != null) { 811 mScrollView = (ScrollView) parent; 812 } 813 mTriedGettingScrollView = true; 814 } 815 } 816 817 private void postHandlePendingChips() { 818 mHandler.removeCallbacks(mHandlePendingChips); 819 mHandler.post(mHandlePendingChips); 820 } 821 822 private void checkChipWidths() { 823 // Check the widths of the associated chips. 824 RecipientChip[] chips = getSortedRecipients(); 825 if (chips != null) { 826 Rect bounds; 827 for (RecipientChip chip : chips) { 828 bounds = chip.getBounds(); 829 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 830 // Need to redraw that chip. 831 replaceChip(chip, chip.getEntry()); 832 } 833 } 834 } 835 } 836 837 // Visible for testing. 838 /*package*/ void handlePendingChips() { 839 if (getViewWidth() <= 0) { 840 // The widget has not been sized yet. 841 // This will be called as a result of onSizeChanged 842 // at a later point. 843 return; 844 } 845 if (mPendingChipsCount <= 0) { 846 return; 847 } 848 849 synchronized (mPendingChips) { 850 Editable editable = getText(); 851 // Tokenize! 852 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 853 for (int i = 0; i < mPendingChips.size(); i++) { 854 String current = mPendingChips.get(i); 855 int tokenStart = editable.toString().indexOf(current); 856 // Always leave a space at the end between tokens. 857 int tokenEnd = tokenStart + current.length() - 1; 858 if (tokenStart >= 0) { 859 // When we have a valid token, include it with the token 860 // to the left. 861 if (tokenEnd < editable.length() - 2 862 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 863 tokenEnd++; 864 } 865 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 866 || !mShouldShrink); 867 } 868 mPendingChipsCount--; 869 } 870 sanitizeEnd(); 871 } else { 872 mNoChips = true; 873 } 874 875 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 876 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 877 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 878 new RecipientReplacementTask().execute(); 879 mTemporaryRecipients = null; 880 } else { 881 // Create the "more" chip 882 mIndividualReplacements = new IndividualReplacementTask(); 883 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 884 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 885 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 886 mTemporaryRecipients = new ArrayList<RecipientChip>( 887 mTemporaryRecipients.subList(CHIP_LIMIT, 888 mTemporaryRecipients.size())); 889 } else { 890 mTemporaryRecipients = null; 891 } 892 createMoreChip(); 893 } 894 } else { 895 // There are too many recipients to look up, so just fall back 896 // to showing addresses for all of them. 897 mTemporaryRecipients = null; 898 createMoreChip(); 899 } 900 mPendingChipsCount = 0; 901 mPendingChips.clear(); 902 } 903 } 904 905 // Visible for testing. 906 /*package*/ int getViewWidth() { 907 return getWidth(); 908 } 909 910 /** 911 * Remove any characters after the last valid chip. 912 */ 913 // Visible for testing. 914 /*package*/ void sanitizeEnd() { 915 // Don't sanitize while we are waiting for pending chips to complete. 916 if (mPendingChipsCount > 0) { 917 return; 918 } 919 // Find the last chip; eliminate any commit characters after it. 920 RecipientChip[] chips = getSortedRecipients(); 921 Spannable spannable = getSpannable(); 922 if (chips != null && chips.length > 0) { 923 int end; 924 mMoreChip = getMoreChip(); 925 if (mMoreChip != null) { 926 end = spannable.getSpanEnd(mMoreChip); 927 } else { 928 end = getSpannable().getSpanEnd(getLastChip()); 929 } 930 Editable editable = getText(); 931 int length = editable.length(); 932 if (length > end) { 933 // See what characters occur after that and eliminate them. 934 if (Log.isLoggable(TAG, Log.DEBUG)) { 935 Log.d(TAG, "There were extra characters after the last tokenizable entry." 936 + editable); 937 } 938 editable.delete(end + 1, length); 939 } 940 } 941 } 942 943 /** 944 * Create a chip that represents just the email address of a recipient. At some later 945 * point, this chip will be attached to a real contact entry, if one exists. 946 */ 947 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 948 boolean visible) { 949 if (alreadyHasChip(tokenStart, tokenEnd)) { 950 // There is already a chip present at this location. 951 // Don't recreate it. 952 return; 953 } 954 String token = editable.toString().substring(tokenStart, tokenEnd); 955 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 956 if (commitCharIndex == token.length() - 1) { 957 token = token.substring(0, token.length() - 1); 958 } 959 RecipientEntry entry = createTokenizedEntry(token); 960 if (entry != null) { 961 String destText = createAddressText(entry); 962 SpannableString chipText = new SpannableString(destText); 963 RecipientChip chip = null; 964 try { 965 if (!mNoChips) { 966 /* 967 * leave space for the contact icon if this is not just an 968 * email address 969 */ 970 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 971 || TextUtils.equals(entry.getDisplayName(), 972 entry.getDestination()); 973 chip = visible ? 974 constructChipSpan(entry, tokenStart, false, leaveSpace) 975 : new InvisibleRecipientChip(entry, commitCharIndex); 976 } 977 } catch (NullPointerException e) { 978 Log.e(TAG, e.getMessage(), e); 979 } 980 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 981 // Add this chip to the list of entries "to replace" 982 if (chip != null) { 983 if (mTemporaryRecipients == null) { 984 mTemporaryRecipients = new ArrayList<RecipientChip>(); 985 } 986 chip.setOriginalText(token); 987 mTemporaryRecipients.add(chip); 988 } 989 } 990 } 991 992 private static boolean isPhoneNumber(String number) { 993 // TODO: replace this function with libphonenumber's isPossibleNumber (see 994 // PhoneNumberUtil). One complication is that it requires the sender's region which 995 // comes from the CurrentCountryIso. For now, let's just do this simple match. 996 if (TextUtils.isEmpty(number)) { 997 return false; 998 } 999 1000 Matcher match = PHONE_PATTERN.matcher(number); 1001 return match.matches(); 1002 } 1003 1004 private RecipientEntry createTokenizedEntry(String token) { 1005 if (TextUtils.isEmpty(token)) { 1006 return null; 1007 } 1008 if (isPhoneQuery() && isPhoneNumber(token)) { 1009 return RecipientEntry.constructFakeEntry(token, true); 1010 } 1011 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1012 String display = null; 1013 boolean isValid = isValid(token); 1014 if (isValid && tokens != null && tokens.length > 0) { 1015 // If we can get a name from tokenizing, then generate an entry from 1016 // this. 1017 display = tokens[0].getName(); 1018 if (!TextUtils.isEmpty(display)) { 1019 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1020 isValid); 1021 } else { 1022 display = tokens[0].getAddress(); 1023 if (!TextUtils.isEmpty(display)) { 1024 return RecipientEntry.constructFakeEntry(display, isValid); 1025 } 1026 } 1027 } 1028 // Unable to validate the token or to create a valid token from it. 1029 // Just create a chip the user can edit. 1030 String validatedToken = null; 1031 if (mValidator != null && !isValid) { 1032 // Try fixing up the entry using the validator. 1033 validatedToken = mValidator.fixText(token).toString(); 1034 if (!TextUtils.isEmpty(validatedToken)) { 1035 if (validatedToken.contains(token)) { 1036 // protect against the case of a validator with a null 1037 // domain, 1038 // which doesn't add a domain to the token 1039 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1040 if (tokenized.length > 0) { 1041 validatedToken = tokenized[0].getAddress(); 1042 isValid = true; 1043 } 1044 } else { 1045 // We ran into a case where the token was invalid and 1046 // removed 1047 // by the validator. In this case, just use the original 1048 // token 1049 // and let the user sort out the error chip. 1050 validatedToken = null; 1051 isValid = false; 1052 } 1053 } 1054 } 1055 // Otherwise, fallback to just creating an editable email address chip. 1056 return RecipientEntry.constructFakeEntry( 1057 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1058 } 1059 1060 private boolean isValid(String text) { 1061 return mValidator == null ? true : mValidator.isValid(text); 1062 } 1063 1064 private String tokenizeAddress(String destination) { 1065 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1066 if (tokens != null && tokens.length > 0) { 1067 return tokens[0].getAddress(); 1068 } 1069 return destination; 1070 } 1071 1072 @Override 1073 public void setTokenizer(Tokenizer tokenizer) { 1074 mTokenizer = tokenizer; 1075 super.setTokenizer(mTokenizer); 1076 } 1077 1078 @Override 1079 public void setValidator(Validator validator) { 1080 mValidator = validator; 1081 super.setValidator(validator); 1082 } 1083 1084 /** 1085 * We cannot use the default mechanism for replaceText. Instead, 1086 * we override onItemClickListener so we can get all the associated 1087 * contact information including display text, address, and id. 1088 */ 1089 @Override 1090 protected void replaceText(CharSequence text) { 1091 return; 1092 } 1093 1094 /** 1095 * Dismiss any selected chips when the back key is pressed. 1096 */ 1097 @Override 1098 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1099 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1100 clearSelectedChip(); 1101 return true; 1102 } 1103 return super.onKeyPreIme(keyCode, event); 1104 } 1105 1106 /** 1107 * Monitor key presses in this view to see if the user types 1108 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1109 * If the user has entered text that has contact matches and types 1110 * a commit key, create a chip from the topmost matching contact. 1111 * If the user has entered text that has no contact matches and types 1112 * a commit key, then create a chip from the text they have entered. 1113 */ 1114 @Override 1115 public boolean onKeyUp(int keyCode, KeyEvent event) { 1116 switch (keyCode) { 1117 case KeyEvent.KEYCODE_ENTER: 1118 case KeyEvent.KEYCODE_DPAD_CENTER: 1119 if (event.hasNoModifiers()) { 1120 if (commitDefault()) { 1121 return true; 1122 } 1123 if (mSelectedChip != null) { 1124 clearSelectedChip(); 1125 return true; 1126 } else if (focusNext()) { 1127 return true; 1128 } 1129 } 1130 break; 1131 case KeyEvent.KEYCODE_TAB: 1132 if (event.hasNoModifiers()) { 1133 if (mSelectedChip != null) { 1134 clearSelectedChip(); 1135 } else { 1136 commitDefault(); 1137 } 1138 if (focusNext()) { 1139 return true; 1140 } 1141 } 1142 break; 1143 } 1144 return super.onKeyUp(keyCode, event); 1145 } 1146 1147 private boolean focusNext() { 1148 View next = focusSearch(View.FOCUS_DOWN); 1149 if (next != null) { 1150 next.requestFocus(); 1151 return true; 1152 } 1153 return false; 1154 } 1155 1156 /** 1157 * Create a chip from the default selection. If the popup is showing, the 1158 * default is the first item in the popup suggestions list. Otherwise, it is 1159 * whatever the user had typed in. End represents where the the tokenizer 1160 * should search for a token to turn into a chip. 1161 * @return If a chip was created from a real contact. 1162 */ 1163 private boolean commitDefault() { 1164 // If there is no tokenizer, don't try to commit. 1165 if (mTokenizer == null) { 1166 return false; 1167 } 1168 Editable editable = getText(); 1169 int end = getSelectionEnd(); 1170 int start = mTokenizer.findTokenStart(editable, end); 1171 1172 if (shouldCreateChip(start, end)) { 1173 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1174 // In the middle of chip; treat this as an edit 1175 // and commit the whole token. 1176 whatEnd = movePastTerminators(whatEnd); 1177 if (whatEnd != getSelectionEnd()) { 1178 handleEdit(start, whatEnd); 1179 return true; 1180 } 1181 return commitChip(start, end , editable); 1182 } 1183 return false; 1184 } 1185 1186 private void commitByCharacter() { 1187 // We can't possibly commit by character if we can't tokenize. 1188 if (mTokenizer == null) { 1189 return; 1190 } 1191 Editable editable = getText(); 1192 int end = getSelectionEnd(); 1193 int start = mTokenizer.findTokenStart(editable, end); 1194 if (shouldCreateChip(start, end)) { 1195 commitChip(start, end, editable); 1196 } 1197 setSelection(getText().length()); 1198 } 1199 1200 private boolean commitChip(int start, int end, Editable editable) { 1201 ListAdapter adapter = getAdapter(); 1202 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1203 && end == getSelectionEnd() && !isPhoneQuery()) { 1204 // choose the first entry. 1205 submitItemAtPosition(0); 1206 dismissDropDown(); 1207 return true; 1208 } else { 1209 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1210 if (editable.length() > tokenEnd + 1) { 1211 char charAt = editable.charAt(tokenEnd + 1); 1212 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1213 tokenEnd++; 1214 } 1215 } 1216 String text = editable.toString().substring(start, tokenEnd).trim(); 1217 clearComposingText(); 1218 if (text != null && text.length() > 0 && !text.equals(" ")) { 1219 RecipientEntry entry = createTokenizedEntry(text); 1220 if (entry != null) { 1221 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1222 CharSequence chipText = createChip(entry, false); 1223 if (chipText != null && start > -1 && end > -1) { 1224 editable.replace(start, end, chipText); 1225 } 1226 } 1227 // Only dismiss the dropdown if it is related to the text we 1228 // just committed. 1229 // For paste, it may not be as there are possibly multiple 1230 // tokens being added. 1231 if (end == getSelectionEnd()) { 1232 dismissDropDown(); 1233 } 1234 sanitizeBetween(); 1235 return true; 1236 } 1237 } 1238 return false; 1239 } 1240 1241 // Visible for testing. 1242 /* package */ void sanitizeBetween() { 1243 // Don't sanitize while we are waiting for content to chipify. 1244 if (mPendingChipsCount > 0) { 1245 return; 1246 } 1247 // Find the last chip. 1248 RecipientChip[] recips = getSortedRecipients(); 1249 if (recips != null && recips.length > 0) { 1250 RecipientChip last = recips[recips.length - 1]; 1251 RecipientChip beforeLast = null; 1252 if (recips.length > 1) { 1253 beforeLast = recips[recips.length - 2]; 1254 } 1255 int startLooking = 0; 1256 int end = getSpannable().getSpanStart(last); 1257 if (beforeLast != null) { 1258 startLooking = getSpannable().getSpanEnd(beforeLast); 1259 Editable text = getText(); 1260 if (startLooking == -1 || startLooking > text.length() - 1) { 1261 // There is nothing after this chip. 1262 return; 1263 } 1264 if (text.charAt(startLooking) == ' ') { 1265 startLooking++; 1266 } 1267 } 1268 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1269 getText().delete(startLooking, end); 1270 } 1271 } 1272 } 1273 1274 private boolean shouldCreateChip(int start, int end) { 1275 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1276 } 1277 1278 private boolean alreadyHasChip(int start, int end) { 1279 if (mNoChips) { 1280 return true; 1281 } 1282 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1283 if ((chips == null || chips.length == 0)) { 1284 return false; 1285 } 1286 return true; 1287 } 1288 1289 private void handleEdit(int start, int end) { 1290 if (start == -1 || end == -1) { 1291 // This chip no longer exists in the field. 1292 dismissDropDown(); 1293 return; 1294 } 1295 // This is in the middle of a chip, so select out the whole chip 1296 // and commit it. 1297 Editable editable = getText(); 1298 setSelection(end); 1299 String text = getText().toString().substring(start, end); 1300 if (!TextUtils.isEmpty(text)) { 1301 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1302 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1303 CharSequence chipText = createChip(entry, false); 1304 int selEnd = getSelectionEnd(); 1305 if (chipText != null && start > -1 && selEnd > -1) { 1306 editable.replace(start, selEnd, chipText); 1307 } 1308 } 1309 dismissDropDown(); 1310 } 1311 1312 /** 1313 * If there is a selected chip, delegate the key events 1314 * to the selected chip. 1315 */ 1316 @Override 1317 public boolean onKeyDown(int keyCode, KeyEvent event) { 1318 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1319 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1320 mAlternatesPopup.dismiss(); 1321 } 1322 removeChip(mSelectedChip); 1323 } 1324 1325 return super.onKeyDown(keyCode, event); 1326 } 1327 1328 // Visible for testing. 1329 /* package */ Spannable getSpannable() { 1330 return getText(); 1331 } 1332 1333 private int getChipStart(RecipientChip chip) { 1334 return getSpannable().getSpanStart(chip); 1335 } 1336 1337 private int getChipEnd(RecipientChip chip) { 1338 return getSpannable().getSpanEnd(chip); 1339 } 1340 1341 /** 1342 * Instead of filtering on the entire contents of the edit box, 1343 * this subclass method filters on the range from 1344 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1345 * if the length of that range meets or exceeds {@link #getThreshold} 1346 * and makes sure that the range is not already a Chip. 1347 */ 1348 @Override 1349 protected void performFiltering(CharSequence text, int keyCode) { 1350 boolean isCompletedToken = isCompletedToken(text); 1351 if (enoughToFilter() && !isCompletedToken) { 1352 int end = getSelectionEnd(); 1353 int start = mTokenizer.findTokenStart(text, end); 1354 // If this is a RecipientChip, don't filter 1355 // on its contents. 1356 Spannable span = getSpannable(); 1357 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1358 if (chips != null && chips.length > 0) { 1359 return; 1360 } 1361 } else if (isCompletedToken) { 1362 return; 1363 } 1364 super.performFiltering(text, keyCode); 1365 } 1366 1367 // Visible for testing. 1368 /*package*/ boolean isCompletedToken(CharSequence text) { 1369 if (TextUtils.isEmpty(text)) { 1370 return false; 1371 } 1372 // Check to see if this is a completed token before filtering. 1373 int end = text.length(); 1374 int start = mTokenizer.findTokenStart(text, end); 1375 String token = text.toString().substring(start, end).trim(); 1376 if (!TextUtils.isEmpty(token)) { 1377 char atEnd = token.charAt(token.length() - 1); 1378 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1379 } 1380 return false; 1381 } 1382 1383 private void clearSelectedChip() { 1384 if (mSelectedChip != null) { 1385 unselectChip(mSelectedChip); 1386 mSelectedChip = null; 1387 } 1388 setCursorVisible(true); 1389 } 1390 1391 /** 1392 * Monitor touch events in the RecipientEditTextView. 1393 * If the view does not have focus, any tap on the view 1394 * will just focus the view. If the view has focus, determine 1395 * if the touch target is a recipient chip. If it is and the chip 1396 * is not selected, select it and clear any other selected chips. 1397 * If it isn't, then select that chip. 1398 */ 1399 @Override 1400 public boolean onTouchEvent(MotionEvent event) { 1401 if (!isFocused()) { 1402 // Ignore any chip taps until this view is focused. 1403 return super.onTouchEvent(event); 1404 } 1405 boolean handled = super.onTouchEvent(event); 1406 int action = event.getAction(); 1407 boolean chipWasSelected = false; 1408 if (mSelectedChip == null) { 1409 mGestureDetector.onTouchEvent(event); 1410 } 1411 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1412 float x = event.getX(); 1413 float y = event.getY(); 1414 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1415 RecipientChip currentChip = findChip(offset); 1416 if (currentChip != null) { 1417 if (action == MotionEvent.ACTION_UP) { 1418 if (mSelectedChip != null && mSelectedChip != currentChip) { 1419 clearSelectedChip(); 1420 mSelectedChip = selectChip(currentChip); 1421 } else if (mSelectedChip == null) { 1422 setSelection(getText().length()); 1423 commitDefault(); 1424 mSelectedChip = selectChip(currentChip); 1425 } else { 1426 onClick(mSelectedChip, offset, x, y); 1427 } 1428 } 1429 chipWasSelected = true; 1430 handled = true; 1431 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1432 chipWasSelected = true; 1433 } 1434 } 1435 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1436 clearSelectedChip(); 1437 } 1438 return handled; 1439 } 1440 1441 private void scrollLineIntoView(int line) { 1442 if (mScrollView != null) { 1443 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1444 } 1445 } 1446 1447 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1448 int width, Context context) { 1449 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1450 int bottom; 1451 if (line == getLineCount() -1) { 1452 bottom = 0; 1453 } else { 1454 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1455 - line))); 1456 } 1457 // Align the alternates popup with the left side of the View, 1458 // regardless of the position of the chip tapped. 1459 alternatesPopup.setWidth(width); 1460 alternatesPopup.setAnchorView(this); 1461 alternatesPopup.setVerticalOffset(bottom); 1462 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1463 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1464 // Clear the checked item. 1465 mCheckedItem = -1; 1466 alternatesPopup.show(); 1467 ListView listView = alternatesPopup.getListView(); 1468 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1469 // Checked item would be -1 if the adapter has not 1470 // loaded the view that should be checked yet. The 1471 // variable will be set correctly when onCheckedItemChanged 1472 // is called in a separate thread. 1473 if (mCheckedItem != -1) { 1474 listView.setItemChecked(mCheckedItem, true); 1475 mCheckedItem = -1; 1476 } 1477 } 1478 1479 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1480 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1481 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1482 } 1483 1484 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1485 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1486 .getEntry()); 1487 } 1488 1489 @Override 1490 public void onCheckedItemChanged(int position) { 1491 ListView listView = mAlternatesPopup.getListView(); 1492 if (listView != null && listView.getCheckedItemCount() == 0) { 1493 listView.setItemChecked(position, true); 1494 } 1495 mCheckedItem = position; 1496 } 1497 1498 // TODO: This algorithm will need a lot of tweaking after more people have used 1499 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1500 // what comes before the finger. 1501 private int putOffsetInRange(int o) { 1502 int offset = o; 1503 Editable text = getText(); 1504 int length = text.length(); 1505 // Remove whitespace from end to find "real end" 1506 int realLength = length; 1507 for (int i = length - 1; i >= 0; i--) { 1508 if (text.charAt(i) == ' ') { 1509 realLength--; 1510 } else { 1511 break; 1512 } 1513 } 1514 1515 // If the offset is beyond or at the end of the text, 1516 // leave it alone. 1517 if (offset >= realLength) { 1518 return offset; 1519 } 1520 Editable editable = getText(); 1521 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1522 // Keep walking backward! 1523 offset--; 1524 } 1525 return offset; 1526 } 1527 1528 private int findText(Editable text, int offset) { 1529 if (text.charAt(offset) != ' ') { 1530 return offset; 1531 } 1532 return -1; 1533 } 1534 1535 private RecipientChip findChip(int offset) { 1536 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1537 // Find the chip that contains this offset. 1538 for (int i = 0; i < chips.length; i++) { 1539 RecipientChip chip = chips[i]; 1540 int start = getChipStart(chip); 1541 int end = getChipEnd(chip); 1542 if (offset >= start && offset <= end) { 1543 return chip; 1544 } 1545 } 1546 return null; 1547 } 1548 1549 // Visible for testing. 1550 // Use this method to generate text to add to the list of addresses. 1551 /* package */String createAddressText(RecipientEntry entry) { 1552 String display = entry.getDisplayName(); 1553 String address = entry.getDestination(); 1554 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1555 display = null; 1556 } 1557 String trimmedDisplayText; 1558 if (isPhoneQuery() && isPhoneNumber(address)) { 1559 trimmedDisplayText = address.trim(); 1560 } else { 1561 if (address != null) { 1562 // Tokenize out the address in case the address already 1563 // contained the username as well. 1564 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1565 if (tokenized != null && tokenized.length > 0) { 1566 address = tokenized[0].getAddress(); 1567 } 1568 } 1569 Rfc822Token token = new Rfc822Token(display, address, null); 1570 trimmedDisplayText = token.toString().trim(); 1571 } 1572 int index = trimmedDisplayText.indexOf(","); 1573 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1574 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1575 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1576 } 1577 1578 // Visible for testing. 1579 // Use this method to generate text to display in a chip. 1580 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1581 String display = entry.getDisplayName(); 1582 String address = entry.getDestination(); 1583 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1584 display = null; 1585 } 1586 if (!TextUtils.isEmpty(display)) { 1587 return display; 1588 } else if (!TextUtils.isEmpty(address)){ 1589 return address; 1590 } else { 1591 return new Rfc822Token(display, address, null).toString(); 1592 } 1593 } 1594 1595 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1596 String displayText = createAddressText(entry); 1597 if (TextUtils.isEmpty(displayText)) { 1598 return null; 1599 } 1600 SpannableString chipText = null; 1601 // Always leave a blank space at the end of a chip. 1602 int end = getSelectionEnd(); 1603 int start = mTokenizer.findTokenStart(getText(), end); 1604 int textLength = displayText.length()-1; 1605 chipText = new SpannableString(displayText); 1606 if (!mNoChips) { 1607 try { 1608 RecipientChip chip = constructChipSpan(entry, start, pressed, 1609 false /* leave space for contact icon */); 1610 chipText.setSpan(chip, 0, textLength, 1611 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1612 chip.setOriginalText(chipText.toString()); 1613 } catch (NullPointerException e) { 1614 Log.e(TAG, e.getMessage(), e); 1615 return null; 1616 } 1617 } 1618 return chipText; 1619 } 1620 1621 /** 1622 * When an item in the suggestions list has been clicked, create a chip from the 1623 * contact information of the selected item. 1624 */ 1625 @Override 1626 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1627 submitItemAtPosition(position); 1628 } 1629 1630 private void submitItemAtPosition(int position) { 1631 RecipientEntry entry = createValidatedEntry( 1632 (RecipientEntry)getAdapter().getItem(position)); 1633 if (entry == null) { 1634 return; 1635 } 1636 clearComposingText(); 1637 1638 int end = getSelectionEnd(); 1639 int start = mTokenizer.findTokenStart(getText(), end); 1640 1641 Editable editable = getText(); 1642 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1643 CharSequence chip = createChip(entry, false); 1644 if (chip != null && start >= 0 && end >= 0) { 1645 editable.replace(start, end, chip); 1646 } 1647 sanitizeBetween(); 1648 } 1649 1650 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1651 if (item == null) { 1652 return null; 1653 } 1654 final RecipientEntry entry; 1655 // If the display name and the address are the same, or if this is a 1656 // valid contact, but the destination is invalid, then make this a fake 1657 // recipient that is editable. 1658 String destination = item.getDestination(); 1659 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1660 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1661 destination, item.isValid()); 1662 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1663 && (TextUtils.isEmpty(item.getDisplayName()) 1664 || TextUtils.equals(item.getDisplayName(), destination) 1665 || (mValidator != null && !mValidator.isValid(destination)))) { 1666 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1667 } else { 1668 entry = item; 1669 } 1670 return entry; 1671 } 1672 1673 /** Returns a collection of contact Id for each chip inside this View. */ 1674 /* package */ Collection<Long> getContactIds() { 1675 final Set<Long> result = new HashSet<Long>(); 1676 RecipientChip[] chips = getSortedRecipients(); 1677 if (chips != null) { 1678 for (RecipientChip chip : chips) { 1679 result.add(chip.getContactId()); 1680 } 1681 } 1682 return result; 1683 } 1684 1685 1686 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1687 /* package */ Collection<Long> getDataIds() { 1688 final Set<Long> result = new HashSet<Long>(); 1689 RecipientChip [] chips = getSortedRecipients(); 1690 if (chips != null) { 1691 for (RecipientChip chip : chips) { 1692 result.add(chip.getDataId()); 1693 } 1694 } 1695 return result; 1696 } 1697 1698 // Visible for testing. 1699 /* package */RecipientChip[] getSortedRecipients() { 1700 RecipientChip[] recips = getSpannable() 1701 .getSpans(0, getText().length(), RecipientChip.class); 1702 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1703 .asList(recips)); 1704 final Spannable spannable = getSpannable(); 1705 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1706 1707 @Override 1708 public int compare(RecipientChip first, RecipientChip second) { 1709 int firstStart = spannable.getSpanStart(first); 1710 int secondStart = spannable.getSpanStart(second); 1711 if (firstStart < secondStart) { 1712 return -1; 1713 } else if (firstStart > secondStart) { 1714 return 1; 1715 } else { 1716 return 0; 1717 } 1718 } 1719 }); 1720 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1721 } 1722 1723 @Override 1724 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1725 return false; 1726 } 1727 1728 @Override 1729 public void onDestroyActionMode(ActionMode mode) { 1730 } 1731 1732 @Override 1733 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1734 return false; 1735 } 1736 1737 /** 1738 * No chips are selectable. 1739 */ 1740 @Override 1741 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1742 return false; 1743 } 1744 1745 // Visible for testing. 1746 /* package */ImageSpan getMoreChip() { 1747 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1748 MoreImageSpan.class); 1749 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1750 } 1751 1752 private MoreImageSpan createMoreSpan(int count) { 1753 String moreText = String.format(mMoreItem.getText().toString(), count); 1754 TextPaint morePaint = new TextPaint(getPaint()); 1755 morePaint.setTextSize(mMoreItem.getTextSize()); 1756 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1757 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1758 + mMoreItem.getPaddingRight(); 1759 int height = getLineHeight(); 1760 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1761 Canvas canvas = new Canvas(drawable); 1762 int adjustedHeight = height; 1763 Layout layout = getLayout(); 1764 if (layout != null) { 1765 adjustedHeight -= layout.getLineDescent(0); 1766 } 1767 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1768 1769 Drawable result = new BitmapDrawable(getResources(), drawable); 1770 result.setBounds(0, 0, width, height); 1771 return new MoreImageSpan(result); 1772 } 1773 1774 // Visible for testing. 1775 /*package*/ void createMoreChipPlainText() { 1776 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1777 Editable text = getText(); 1778 int start = 0; 1779 int end = start; 1780 for (int i = 0; i < CHIP_LIMIT; i++) { 1781 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1782 start = end; // move to the next token and get its end. 1783 } 1784 // Now, count total addresses. 1785 start = 0; 1786 int tokenCount = countTokens(text); 1787 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1788 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1789 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1790 text.replace(end, text.length(), chipText); 1791 mMoreChip = moreSpan; 1792 } 1793 1794 // Visible for testing. 1795 /* package */int countTokens(Editable text) { 1796 int tokenCount = 0; 1797 int start = 0; 1798 while (start < text.length()) { 1799 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1800 tokenCount++; 1801 if (start >= text.length()) { 1802 break; 1803 } 1804 } 1805 return tokenCount; 1806 } 1807 1808 /** 1809 * Create the more chip. The more chip is text that replaces any chips that 1810 * do not fit in the pre-defined available space when the 1811 * RecipientEditTextView loses focus. 1812 */ 1813 // Visible for testing. 1814 /* package */ void createMoreChip() { 1815 if (mNoChips) { 1816 createMoreChipPlainText(); 1817 return; 1818 } 1819 1820 if (!mShouldShrink) { 1821 return; 1822 } 1823 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1824 if (tempMore.length > 0) { 1825 getSpannable().removeSpan(tempMore[0]); 1826 } 1827 RecipientChip[] recipients = getSortedRecipients(); 1828 1829 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1830 mMoreChip = null; 1831 return; 1832 } 1833 Spannable spannable = getSpannable(); 1834 int numRecipients = recipients.length; 1835 int overage = numRecipients - CHIP_LIMIT; 1836 MoreImageSpan moreSpan = createMoreSpan(overage); 1837 mRemovedSpans = new ArrayList<RecipientChip>(); 1838 int totalReplaceStart = 0; 1839 int totalReplaceEnd = 0; 1840 Editable text = getText(); 1841 for (int i = numRecipients - overage; i < recipients.length; i++) { 1842 mRemovedSpans.add(recipients[i]); 1843 if (i == numRecipients - overage) { 1844 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1845 } 1846 if (i == recipients.length - 1) { 1847 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1848 } 1849 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1850 int spanStart = spannable.getSpanStart(recipients[i]); 1851 int spanEnd = spannable.getSpanEnd(recipients[i]); 1852 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1853 } 1854 spannable.removeSpan(recipients[i]); 1855 } 1856 if (totalReplaceEnd < text.length()) { 1857 totalReplaceEnd = text.length(); 1858 } 1859 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1860 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1861 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1862 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1863 text.replace(start, end, chipText); 1864 mMoreChip = moreSpan; 1865 // If adding the +more chip goes over the limit, resize accordingly. 1866 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1867 setMaxLines(getLineCount()); 1868 } 1869 } 1870 1871 /** 1872 * Replace the more chip, if it exists, with all of the recipient chips it had 1873 * replaced when the RecipientEditTextView gains focus. 1874 */ 1875 // Visible for testing. 1876 /*package*/ void removeMoreChip() { 1877 if (mMoreChip != null) { 1878 Spannable span = getSpannable(); 1879 span.removeSpan(mMoreChip); 1880 mMoreChip = null; 1881 // Re-add the spans that were removed. 1882 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1883 // Recreate each removed span. 1884 RecipientChip[] recipients = getSortedRecipients(); 1885 // Start the search for tokens after the last currently visible 1886 // chip. 1887 if (recipients == null || recipients.length == 0) { 1888 return; 1889 } 1890 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1891 Editable editable = getText(); 1892 for (RecipientChip chip : mRemovedSpans) { 1893 int chipStart; 1894 int chipEnd; 1895 String token; 1896 // Need to find the location of the chip, again. 1897 token = (String) chip.getOriginalText(); 1898 // As we find the matching recipient for the remove spans, 1899 // reduce the size of the string we need to search. 1900 // That way, if there are duplicates, we always find the correct 1901 // recipient. 1902 chipStart = editable.toString().indexOf(token, end); 1903 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1904 // Only set the span if we found a matching token. 1905 if (chipStart != -1) { 1906 if (chip instanceof InvisibleRecipientChip) { 1907 /* 1908 * We want the original text to be displayed until we can replace it 1909 * with a real chip 1910 */ 1911 // ((InvisibleRecipientChip) chip).setDisplayOriginalText(true); 1912 } 1913 editable.setSpan(chip, chipStart, chipEnd, 1914 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1915 } 1916 } 1917 mRemovedSpans.clear(); 1918 } 1919 } 1920 } 1921 1922 /** 1923 * Show specified chip as selected. If the RecipientChip is just an email address, 1924 * selecting the chip will take the contents of the chip and place it at 1925 * the end of the RecipientEditTextView for inline editing. If the 1926 * RecipientChip is a complete contact, then selecting the chip 1927 * will change the background color of the chip, show the delete icon, 1928 * and a popup window with the address in use highlighted and any other 1929 * alternate addresses for the contact. 1930 * @param currentChip Chip to select. 1931 * @return A RecipientChip in the selected state or null if the chip 1932 * just contained an email address. 1933 */ 1934 private RecipientChip selectChip(RecipientChip currentChip) { 1935 if (shouldShowEditableText(currentChip)) { 1936 CharSequence text = currentChip.getValue(); 1937 Editable editable = getText(); 1938 Spannable spannable = getSpannable(); 1939 int spanStart = spannable.getSpanStart(currentChip); 1940 int spanEnd = spannable.getSpanEnd(currentChip); 1941 spannable.removeSpan(currentChip); 1942 editable.delete(spanStart, spanEnd); 1943 setCursorVisible(true); 1944 setSelection(editable.length()); 1945 editable.append(text); 1946 return constructChipSpan( 1947 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1948 getSelectionStart(), true, false); 1949 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1950 int start = getChipStart(currentChip); 1951 int end = getChipEnd(currentChip); 1952 getSpannable().removeSpan(currentChip); 1953 RecipientChip newChip; 1954 try { 1955 if (mNoChips) { 1956 return null; 1957 } 1958 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1959 } catch (NullPointerException e) { 1960 Log.e(TAG, e.getMessage(), e); 1961 return null; 1962 } 1963 Editable editable = getText(); 1964 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1965 if (start == -1 || end == -1) { 1966 Log.d(TAG, "The chip being selected no longer exists but should."); 1967 } else { 1968 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1969 } 1970 newChip.setSelected(true); 1971 if (shouldShowEditableText(newChip)) { 1972 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1973 } 1974 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1975 setCursorVisible(false); 1976 return newChip; 1977 } else { 1978 int start = getChipStart(currentChip); 1979 int end = getChipEnd(currentChip); 1980 getSpannable().removeSpan(currentChip); 1981 RecipientChip newChip; 1982 try { 1983 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1984 } catch (NullPointerException e) { 1985 Log.e(TAG, e.getMessage(), e); 1986 return null; 1987 } 1988 Editable editable = getText(); 1989 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1990 if (start == -1 || end == -1) { 1991 Log.d(TAG, "The chip being selected no longer exists but should."); 1992 } else { 1993 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1994 } 1995 newChip.setSelected(true); 1996 if (shouldShowEditableText(newChip)) { 1997 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1998 } 1999 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 2000 setCursorVisible(false); 2001 return newChip; 2002 } 2003 } 2004 2005 private boolean shouldShowEditableText(RecipientChip currentChip) { 2006 long contactId = currentChip.getContactId(); 2007 return contactId == RecipientEntry.INVALID_CONTACT 2008 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2009 } 2010 2011 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 2012 int width, Context context) { 2013 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2014 int bottom = calculateOffsetFromBottom(line); 2015 // Align the alternates popup with the left side of the View, 2016 // regardless of the position of the chip tapped. 2017 popup.setWidth(width); 2018 popup.setAnchorView(this); 2019 popup.setVerticalOffset(bottom); 2020 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2021 popup.setOnItemClickListener(new OnItemClickListener() { 2022 @Override 2023 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2024 unselectChip(currentChip); 2025 popup.dismiss(); 2026 } 2027 }); 2028 popup.show(); 2029 ListView listView = popup.getListView(); 2030 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2031 listView.setItemChecked(0, true); 2032 } 2033 2034 /** 2035 * Remove selection from this chip. Unselecting a RecipientChip will render 2036 * the chip without a delete icon and with an unfocused background. This is 2037 * called when the RecipientChip no longer has focus. 2038 */ 2039 private void unselectChip(RecipientChip chip) { 2040 int start = getChipStart(chip); 2041 int end = getChipEnd(chip); 2042 Editable editable = getText(); 2043 mSelectedChip = null; 2044 if (start == -1 || end == -1) { 2045 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2046 setSelection(editable.length()); 2047 commitDefault(); 2048 } else { 2049 getSpannable().removeSpan(chip); 2050 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2051 editable.removeSpan(chip); 2052 try { 2053 if (!mNoChips) { 2054 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2055 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2056 } 2057 } catch (NullPointerException e) { 2058 Log.e(TAG, e.getMessage(), e); 2059 } 2060 } 2061 setCursorVisible(true); 2062 setSelection(editable.length()); 2063 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2064 mAlternatesPopup.dismiss(); 2065 } 2066 } 2067 2068 /** 2069 * Return whether a touch event was inside the delete target of 2070 * a selected chip. It is in the delete target if: 2071 * 1) the x and y points of the event are within the 2072 * delete assset. 2073 * 2) the point tapped would have caused a cursor to appear 2074 * right after the selected chip. 2075 * @return boolean 2076 */ 2077 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2078 // Figure out the bounds of this chip and whether or not 2079 // the user clicked in the X portion. 2080 return chip.isSelected() && offset == getChipEnd(chip); 2081 } 2082 2083 /** 2084 * Remove the chip and any text associated with it from the RecipientEditTextView. 2085 */ 2086 // Visible for testing. 2087 /*pacakge*/ void removeChip(RecipientChip chip) { 2088 Spannable spannable = getSpannable(); 2089 int spanStart = spannable.getSpanStart(chip); 2090 int spanEnd = spannable.getSpanEnd(chip); 2091 Editable text = getText(); 2092 int toDelete = spanEnd; 2093 boolean wasSelected = chip == mSelectedChip; 2094 // Clear that there is a selected chip before updating any text. 2095 if (wasSelected) { 2096 mSelectedChip = null; 2097 } 2098 // Always remove trailing spaces when removing a chip. 2099 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2100 toDelete++; 2101 } 2102 spannable.removeSpan(chip); 2103 if (spanStart >= 0 && toDelete > 0) { 2104 text.delete(spanStart, toDelete); 2105 } 2106 if (wasSelected) { 2107 clearSelectedChip(); 2108 } 2109 } 2110 2111 /** 2112 * Replace this currently selected chip with a new chip 2113 * that uses the contact data provided. 2114 */ 2115 // Visible for testing. 2116 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2117 boolean wasSelected = chip == mSelectedChip; 2118 if (wasSelected) { 2119 mSelectedChip = null; 2120 } 2121 int start = getChipStart(chip); 2122 int end = getChipEnd(chip); 2123 getSpannable().removeSpan(chip); 2124 Editable editable = getText(); 2125 CharSequence chipText = createChip(entry, false); 2126 if (chipText != null) { 2127 if (start == -1 || end == -1) { 2128 Log.e(TAG, "The chip to replace does not exist but should."); 2129 editable.insert(0, chipText); 2130 } else { 2131 if (!TextUtils.isEmpty(chipText)) { 2132 // There may be a space to replace with this chip's new 2133 // associated space. Check for it 2134 int toReplace = end; 2135 while (toReplace >= 0 && toReplace < editable.length() 2136 && editable.charAt(toReplace) == ' ') { 2137 toReplace++; 2138 } 2139 editable.replace(start, toReplace, chipText); 2140 } 2141 } 2142 } 2143 setCursorVisible(true); 2144 if (wasSelected) { 2145 clearSelectedChip(); 2146 } 2147 } 2148 2149 /** 2150 * Handle click events for a chip. When a selected chip receives a click 2151 * event, see if that event was in the delete icon. If so, delete it. 2152 * Otherwise, unselect the chip. 2153 */ 2154 public void onClick(RecipientChip chip, int offset, float x, float y) { 2155 if (chip.isSelected()) { 2156 if (isInDelete(chip, offset, x, y)) { 2157 removeChip(chip); 2158 } else { 2159 clearSelectedChip(); 2160 } 2161 } 2162 } 2163 2164 private boolean chipsPending() { 2165 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2166 } 2167 2168 @Override 2169 public void removeTextChangedListener(TextWatcher watcher) { 2170 mTextWatcher = null; 2171 super.removeTextChangedListener(watcher); 2172 } 2173 2174 private class RecipientTextWatcher implements TextWatcher { 2175 2176 @Override 2177 public void afterTextChanged(Editable s) { 2178 // If the text has been set to null or empty, make sure we remove 2179 // all the spans we applied. 2180 if (TextUtils.isEmpty(s)) { 2181 // Remove all the chips spans. 2182 Spannable spannable = getSpannable(); 2183 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2184 RecipientChip.class); 2185 for (RecipientChip chip : chips) { 2186 spannable.removeSpan(chip); 2187 } 2188 if (mMoreChip != null) { 2189 spannable.removeSpan(mMoreChip); 2190 } 2191 return; 2192 } 2193 // Get whether there are any recipients pending addition to the 2194 // view. If there are, don't do anything in the text watcher. 2195 if (chipsPending()) { 2196 return; 2197 } 2198 // If the user is editing a chip, don't clear it. 2199 if (mSelectedChip != null) { 2200 if (!isGeneratedContact(mSelectedChip)) { 2201 setCursorVisible(true); 2202 setSelection(getText().length()); 2203 clearSelectedChip(); 2204 } else { 2205 return; 2206 } 2207 } 2208 int length = s.length(); 2209 // Make sure there is content there to parse and that it is 2210 // not just the commit character. 2211 if (length > 1) { 2212 if (lastCharacterIsCommitCharacter(s)) { 2213 commitByCharacter(); 2214 return; 2215 } 2216 char last; 2217 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2218 int len = length() - 1; 2219 if (end != len) { 2220 last = s.charAt(end); 2221 } else { 2222 last = s.charAt(len); 2223 } 2224 if (last == COMMIT_CHAR_SPACE) { 2225 if (!isPhoneQuery()) { 2226 // Check if this is a valid email address. If it is, 2227 // commit it. 2228 String text = getText().toString(); 2229 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2230 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2231 tokenStart)); 2232 if (!TextUtils.isEmpty(sub) && mValidator != null && 2233 mValidator.isValid(sub)) { 2234 commitByCharacter(); 2235 } 2236 } 2237 } 2238 } 2239 } 2240 2241 @Override 2242 public void onTextChanged(CharSequence s, int start, int before, int count) { 2243 // The user deleted some text OR some text was replaced; check to 2244 // see if the insertion point is on a space 2245 // following a chip. 2246 if (before - count == 1) { 2247 // If the item deleted is a space, and the thing before the 2248 // space is a chip, delete the entire span. 2249 int selStart = getSelectionStart(); 2250 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2251 RecipientChip.class); 2252 if (repl.length > 0) { 2253 // There is a chip there! Just remove it. 2254 Editable editable = getText(); 2255 // Add the separator token. 2256 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2257 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2258 tokenEnd = tokenEnd + 1; 2259 if (tokenEnd > editable.length()) { 2260 tokenEnd = editable.length(); 2261 } 2262 editable.delete(tokenStart, tokenEnd); 2263 getSpannable().removeSpan(repl[0]); 2264 } 2265 } else if (count > before) { 2266 if (mSelectedChip != null 2267 && isGeneratedContact(mSelectedChip)) { 2268 if (lastCharacterIsCommitCharacter(s)) { 2269 commitByCharacter(); 2270 return; 2271 } 2272 } 2273 } 2274 } 2275 2276 @Override 2277 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2278 // Do nothing. 2279 } 2280 } 2281 2282 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2283 char last; 2284 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2285 int len = length() - 1; 2286 if (end != len) { 2287 last = s.charAt(end); 2288 } else { 2289 last = s.charAt(len); 2290 } 2291 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2292 } 2293 2294 public boolean isGeneratedContact(RecipientChip chip) { 2295 long contactId = chip.getContactId(); 2296 return contactId == RecipientEntry.INVALID_CONTACT 2297 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2298 } 2299 2300 /** 2301 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2302 */ 2303 private void handlePasteClip(ClipData clip) { 2304 removeTextChangedListener(mTextWatcher); 2305 2306 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2307 for (int i = 0; i < clip.getItemCount(); i++) { 2308 CharSequence paste = clip.getItemAt(i).getText(); 2309 if (paste != null) { 2310 int start = getSelectionStart(); 2311 int end = getSelectionEnd(); 2312 Editable editable = getText(); 2313 if (start >= 0 && end >= 0 && start != end) { 2314 editable.append(paste, start, end); 2315 } else { 2316 editable.insert(end, paste); 2317 } 2318 handlePasteAndReplace(); 2319 } 2320 } 2321 } 2322 2323 mHandler.post(mAddTextWatcher); 2324 } 2325 2326 @Override 2327 public boolean onTextContextMenuItem(int id) { 2328 if (id == android.R.id.paste) { 2329 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2330 Context.CLIPBOARD_SERVICE); 2331 handlePasteClip(clipboard.getPrimaryClip()); 2332 return true; 2333 } 2334 return super.onTextContextMenuItem(id); 2335 } 2336 2337 private void handlePasteAndReplace() { 2338 ArrayList<RecipientChip> created = handlePaste(); 2339 if (created != null && created.size() > 0) { 2340 // Perform reverse lookups on the pasted contacts. 2341 IndividualReplacementTask replace = new IndividualReplacementTask(); 2342 replace.execute(created); 2343 } 2344 } 2345 2346 // Visible for testing. 2347 /* package */ArrayList<RecipientChip> handlePaste() { 2348 String text = getText().toString(); 2349 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2350 String lastAddress = text.substring(originalTokenStart); 2351 int tokenStart = originalTokenStart; 2352 int prevTokenStart = tokenStart; 2353 RecipientChip findChip = null; 2354 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2355 if (tokenStart != 0) { 2356 // There are things before this! 2357 while (tokenStart != 0 && findChip == null) { 2358 prevTokenStart = tokenStart; 2359 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2360 findChip = findChip(tokenStart); 2361 if (tokenStart == originalTokenStart && findChip == null) { 2362 break; 2363 } 2364 } 2365 if (tokenStart != originalTokenStart) { 2366 if (findChip != null) { 2367 tokenStart = prevTokenStart; 2368 } 2369 int tokenEnd; 2370 RecipientChip createdChip; 2371 while (tokenStart < originalTokenStart) { 2372 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2373 tokenStart)); 2374 commitChip(tokenStart, tokenEnd, getText()); 2375 createdChip = findChip(tokenStart); 2376 if (createdChip == null) { 2377 break; 2378 } 2379 // +1 for the space at the end. 2380 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2381 created.add(createdChip); 2382 } 2383 } 2384 } 2385 // Take a look at the last token. If the token has been completed with a 2386 // commit character, create a chip. 2387 if (isCompletedToken(lastAddress)) { 2388 Editable editable = getText(); 2389 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2390 commitChip(tokenStart, editable.length(), editable); 2391 created.add(findChip(tokenStart)); 2392 } 2393 return created; 2394 } 2395 2396 // Visible for testing. 2397 /* package */int movePastTerminators(int tokenEnd) { 2398 if (tokenEnd >= length()) { 2399 return tokenEnd; 2400 } 2401 char atEnd = getText().toString().charAt(tokenEnd); 2402 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2403 tokenEnd++; 2404 } 2405 // This token had not only an end token character, but also a space 2406 // separating it from the next token. 2407 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2408 tokenEnd++; 2409 } 2410 return tokenEnd; 2411 } 2412 2413 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2414 private RecipientChip createFreeChip(RecipientEntry entry) { 2415 try { 2416 if (mNoChips) { 2417 return null; 2418 } 2419 return constructChipSpan(entry, -1, false, 2420 false /*leave space for contact icon */); 2421 } catch (NullPointerException e) { 2422 Log.e(TAG, e.getMessage(), e); 2423 return null; 2424 } 2425 } 2426 2427 @Override 2428 protected void onPreExecute() { 2429 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2430 // replaced 2431 final List<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2432 final RecipientChip[] existingChips = getSortedRecipients(); 2433 for (int i = 0; i < existingChips.length; i++) { 2434 originalRecipients.add(existingChips[i]); 2435 } 2436 if (mRemovedSpans != null) { 2437 originalRecipients.addAll(mRemovedSpans); 2438 } 2439 2440 final List<RecipientChip> replacements = 2441 new ArrayList<RecipientChip>(originalRecipients.size()); 2442 2443 for (final RecipientChip chip : originalRecipients) { 2444 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2445 && getSpannable().getSpanStart(chip) != -1) { 2446 replacements.add(createFreeChip(chip.getEntry())); 2447 } else { 2448 replacements.add(null); 2449 } 2450 } 2451 2452 processReplacements(originalRecipients, replacements); 2453 } 2454 2455 @Override 2456 protected Void doInBackground(Void... params) { 2457 if (mIndividualReplacements != null) { 2458 mIndividualReplacements.cancel(true); 2459 } 2460 // For each chip in the list, look up the matching contact. 2461 // If there is a match, replace that chip with the matching 2462 // chip. 2463 final ArrayList<RecipientChip> recipients = new ArrayList<RecipientChip>(); 2464 RecipientChip[] existingChips = getSortedRecipients(); 2465 for (int i = 0; i < existingChips.length; i++) { 2466 recipients.add(existingChips[i]); 2467 } 2468 if (mRemovedSpans != null) { 2469 recipients.addAll(mRemovedSpans); 2470 } 2471 ArrayList<String> addresses = new ArrayList<String>(); 2472 RecipientChip chip; 2473 for (int i = 0; i < recipients.size(); i++) { 2474 chip = recipients.get(i); 2475 if (chip != null) { 2476 addresses.add(createAddressText(chip.getEntry())); 2477 } 2478 } 2479 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2480 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2481 new RecipientMatchCallback() { 2482 2483 @Override 2484 public void matchesFound(Map<String, RecipientEntry> entries) { 2485 final ArrayList<RecipientChip> replacements = 2486 new ArrayList<RecipientChip>(); 2487 for (final RecipientChip temp : recipients) { 2488 RecipientEntry entry = null; 2489 if (temp != null && RecipientEntry.isCreatedRecipient( 2490 temp.getEntry().getContactId()) 2491 && getSpannable().getSpanStart(temp) != -1) { 2492 // Replace this. 2493 entry = createValidatedEntry( 2494 entries.get(tokenizeAddress(temp.getEntry() 2495 .getDestination()))); 2496 } 2497 if (entry != null) { 2498 replacements.add(createFreeChip(entry)); 2499 } else { 2500 replacements.add(null); 2501 } 2502 } 2503 processReplacements(recipients, replacements); 2504 } 2505 2506 @Override 2507 public void matchesNotFound(final Set<String> addresses) { 2508 final List<RecipientChip> replacements = 2509 new ArrayList<RecipientChip>(addresses.size()); 2510 2511 for (final RecipientChip temp : recipients) { 2512 if (temp != null && RecipientEntry.isCreatedRecipient( 2513 temp.getEntry().getContactId()) 2514 && getSpannable().getSpanStart(temp) != -1) { 2515 if (addresses.contains(temp.getEntry().getDestination())) { 2516 replacements.add(createFreeChip(temp.getEntry())); 2517 } else { 2518 replacements.add(null); 2519 } 2520 } else { 2521 replacements.add(null); 2522 } 2523 } 2524 2525 processReplacements(recipients, replacements); 2526 } 2527 }); 2528 return null; 2529 } 2530 2531 private void processReplacements(final List<RecipientChip> recipients, 2532 final List<RecipientChip> replacements) { 2533 if (replacements != null && replacements.size() > 0) { 2534 final Runnable runnable = new Runnable() { 2535 @Override 2536 public void run() { 2537 Editable oldText = getText(); 2538 int start, end; 2539 int i = 0; 2540 for (RecipientChip chip : recipients) { 2541 RecipientChip replacement = replacements.get(i); 2542 if (replacement != null) { 2543 final RecipientEntry oldEntry = chip.getEntry(); 2544 final RecipientEntry newEntry = replacement.getEntry(); 2545 final boolean isBetter = 2546 RecipientAlternatesAdapter.getBetterRecipient( 2547 oldEntry, newEntry) == newEntry; 2548 2549 if (isBetter) { 2550 // Find the location of the chip in the text currently shown. 2551 start = oldText.getSpanStart(chip); 2552 if (start != -1) { 2553 // Replacing the entirety of what the chip represented, 2554 // including the extra space dividing it from other chips. 2555 end = oldText.getSpanEnd(chip) + 1; 2556 oldText.removeSpan(chip); 2557 // Make sure we always have just 1 space at the end to 2558 // separate this chip from the next chip. 2559 SpannableString displayText = 2560 new SpannableString(createAddressText( 2561 replacement.getEntry()).trim() 2562 + " "); 2563 displayText.setSpan(replacement, 0, 2564 displayText.length() - 1, 2565 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2566 // Replace the old text we found with with the new display 2567 // text, which now may also contain the display name of the 2568 // recipient. 2569 oldText.replace(start, end, displayText); 2570 replacement.setOriginalText(displayText.toString()); 2571 replacements.set(i, null); 2572 2573 recipients.set(i, replacement); 2574 } 2575 } 2576 } 2577 i++; 2578 } 2579 } 2580 }; 2581 2582 if (Looper.myLooper() == Looper.getMainLooper()) { 2583 runnable.run(); 2584 } else { 2585 mHandler.post(runnable); 2586 } 2587 } 2588 } 2589 } 2590 2591 private class IndividualReplacementTask 2592 extends AsyncTask<ArrayList<RecipientChip>, Void, Void> { 2593 @Override 2594 protected Void doInBackground(ArrayList<RecipientChip>... params) { 2595 // For each chip in the list, look up the matching contact. 2596 // If there is a match, replace that chip with the matching 2597 // chip. 2598 final ArrayList<RecipientChip> originalRecipients = params[0]; 2599 ArrayList<String> addresses = new ArrayList<String>(); 2600 RecipientChip chip; 2601 for (int i = 0; i < originalRecipients.size(); i++) { 2602 chip = originalRecipients.get(i); 2603 if (chip != null) { 2604 addresses.add(createAddressText(chip.getEntry())); 2605 } 2606 } 2607 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2608 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2609 new RecipientMatchCallback() { 2610 2611 @Override 2612 public void matchesFound(Map<String, RecipientEntry> entries) { 2613 for (final RecipientChip temp : originalRecipients) { 2614 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2615 .getContactId()) 2616 && getSpannable().getSpanStart(temp) != -1) { 2617 // Replace this. 2618 RecipientEntry entry = createValidatedEntry(entries 2619 .get(tokenizeAddress(temp.getEntry().getDestination()) 2620 .toLowerCase())); 2621 // If we don't have a validated contact 2622 // match, just use the 2623 // entry as it existed before. 2624 if (entry == null && !isPhoneQuery()) { 2625 entry = temp.getEntry(); 2626 } 2627 final RecipientEntry tempEntry = entry; 2628 if (tempEntry != null) { 2629 mHandler.post(new Runnable() { 2630 @Override 2631 public void run() { 2632 replaceChip(temp, tempEntry); 2633 } 2634 }); 2635 } 2636 } 2637 } 2638 } 2639 2640 @Override 2641 public void matchesNotFound(final Set<String> addresses) { 2642 // No action required 2643 } 2644 }); 2645 return null; 2646 } 2647 } 2648 2649 2650 /** 2651 * MoreImageSpan is a simple class created for tracking the existence of a 2652 * more chip across activity restarts/ 2653 */ 2654 private class MoreImageSpan extends ImageSpan { 2655 public MoreImageSpan(Drawable b) { 2656 super(b); 2657 } 2658 } 2659 2660 @Override 2661 public boolean onDown(MotionEvent e) { 2662 return false; 2663 } 2664 2665 @Override 2666 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2667 // Do nothing. 2668 return false; 2669 } 2670 2671 @Override 2672 public void onLongPress(MotionEvent event) { 2673 if (mSelectedChip != null) { 2674 return; 2675 } 2676 float x = event.getX(); 2677 float y = event.getY(); 2678 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2679 RecipientChip currentChip = findChip(offset); 2680 if (currentChip != null) { 2681 if (mDragEnabled) { 2682 // Start drag-and-drop for the selected chip. 2683 startDrag(currentChip); 2684 } else { 2685 // Copy the selected chip email address. 2686 showCopyDialog(currentChip.getEntry().getDestination()); 2687 } 2688 } 2689 } 2690 2691 /** 2692 * Enables drag-and-drop for chips. 2693 */ 2694 public void enableDrag() { 2695 mDragEnabled = true; 2696 } 2697 2698 /** 2699 * Starts drag-and-drop for the selected chip. 2700 */ 2701 private void startDrag(RecipientChip currentChip) { 2702 String address = currentChip.getEntry().getDestination(); 2703 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2704 2705 // Start drag mode. 2706 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2707 2708 // Remove the current chip, so drag-and-drop will result in a move. 2709 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2710 removeChip(currentChip); 2711 } 2712 2713 /** 2714 * Handles drag event. 2715 */ 2716 @Override 2717 public boolean onDragEvent(DragEvent event) { 2718 switch (event.getAction()) { 2719 case DragEvent.ACTION_DRAG_STARTED: 2720 // Only handle plain text drag and drop. 2721 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2722 case DragEvent.ACTION_DRAG_ENTERED: 2723 requestFocus(); 2724 return true; 2725 case DragEvent.ACTION_DROP: 2726 handlePasteClip(event.getClipData()); 2727 return true; 2728 } 2729 return false; 2730 } 2731 2732 /** 2733 * Drag shadow for a {@link RecipientChip}. 2734 */ 2735 private final class RecipientChipShadow extends DragShadowBuilder { 2736 private final RecipientChip mChip; 2737 2738 public RecipientChipShadow(RecipientChip chip) { 2739 mChip = chip; 2740 } 2741 2742 @Override 2743 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2744 Rect rect = mChip.getBounds(); 2745 shadowSize.set(rect.width(), rect.height()); 2746 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2747 } 2748 2749 @Override 2750 public void onDrawShadow(Canvas canvas) { 2751 mChip.draw(canvas); 2752 } 2753 } 2754 2755 private void showCopyDialog(final String address) { 2756 mCopyAddress = address; 2757 mCopyDialog.setTitle(address); 2758 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2759 mCopyDialog.setCancelable(true); 2760 mCopyDialog.setCanceledOnTouchOutside(true); 2761 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2762 button.setOnClickListener(this); 2763 int btnTitleId; 2764 if (isPhoneQuery()) { 2765 btnTitleId = R.string.copy_number; 2766 } else { 2767 btnTitleId = R.string.copy_email; 2768 } 2769 String buttonTitle = getContext().getResources().getString(btnTitleId); 2770 button.setText(buttonTitle); 2771 mCopyDialog.setOnDismissListener(this); 2772 mCopyDialog.show(); 2773 } 2774 2775 @Override 2776 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2777 // Do nothing. 2778 return false; 2779 } 2780 2781 @Override 2782 public void onShowPress(MotionEvent e) { 2783 // Do nothing. 2784 } 2785 2786 @Override 2787 public boolean onSingleTapUp(MotionEvent e) { 2788 // Do nothing. 2789 return false; 2790 } 2791 2792 @Override 2793 public void onDismiss(DialogInterface dialog) { 2794 mCopyAddress = null; 2795 } 2796 2797 @Override 2798 public void onClick(View v) { 2799 // Copy this to the clipboard. 2800 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2801 Context.CLIPBOARD_SERVICE); 2802 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2803 mCopyDialog.dismiss(); 2804 } 2805 2806 protected boolean isPhoneQuery() { 2807 return getAdapter() != null 2808 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2809 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2810 } 2811} 2812