RecipientEditTextView.java revision c9daed7a40dbbae4b5fd5b60f32cdca9253644aa
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import java.util.ArrayList; 21import java.util.Arrays; 22import java.util.Collection; 23import java.util.Collections; 24import java.util.Comparator; 25import java.util.HashSet; 26import java.util.List; 27import java.util.Map; 28import java.util.Set; 29import java.util.regex.Matcher; 30import java.util.regex.Pattern; 31 32import android.app.Dialog; 33import android.content.ClipData; 34import android.content.ClipDescription; 35import android.content.ClipboardManager; 36import android.content.Context; 37import android.content.DialogInterface; 38import android.content.DialogInterface.OnDismissListener; 39import android.content.res.Resources; 40import android.content.res.TypedArray; 41import android.graphics.Bitmap; 42import android.graphics.BitmapFactory; 43import android.graphics.Canvas; 44import android.graphics.Matrix; 45import android.graphics.Point; 46import android.graphics.Rect; 47import android.graphics.RectF; 48import android.graphics.drawable.BitmapDrawable; 49import android.graphics.drawable.Drawable; 50import android.os.AsyncTask; 51import android.os.Handler; 52import android.os.Looper; 53import android.os.Message; 54import android.os.Parcelable; 55import android.text.Editable; 56import android.text.InputType; 57import android.text.Layout; 58import android.text.Spannable; 59import android.text.SpannableString; 60import android.text.SpannableStringBuilder; 61import android.text.Spanned; 62import android.text.TextPaint; 63import android.text.TextUtils; 64import android.text.TextWatcher; 65import android.text.method.QwertyKeyListener; 66import android.text.style.ImageSpan; 67import android.text.util.Rfc822Token; 68import android.text.util.Rfc822Tokenizer; 69import android.util.AttributeSet; 70import android.util.Log; 71import android.util.TypedValue; 72import android.view.ActionMode; 73import android.view.ActionMode.Callback; 74import android.view.DragEvent; 75import android.view.GestureDetector; 76import android.view.KeyEvent; 77import android.view.LayoutInflater; 78import android.view.Menu; 79import android.view.MenuItem; 80import android.view.MotionEvent; 81import android.view.View; 82import android.view.View.OnClickListener; 83import android.view.ViewParent; 84import android.view.inputmethod.EditorInfo; 85import android.view.inputmethod.InputConnection; 86import android.widget.AdapterView; 87import android.widget.AdapterView.OnItemClickListener; 88import android.widget.Button; 89import android.widget.Filterable; 90import android.widget.ListAdapter; 91import android.widget.ListPopupWindow; 92import android.widget.ListView; 93import android.widget.MultiAutoCompleteTextView; 94import android.widget.ScrollView; 95import android.widget.TextView; 96 97import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 98import com.android.ex.chips.recipientchip.DrawableRecipientChip; 99import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 100import com.android.ex.chips.recipientchip.VisibleRecipientChip; 101 102/** 103 * RecipientEditTextView is an auto complete text view for use with applications 104 * that use the new Chips UI for addressing a message to recipients. 105 */ 106public class RecipientEditTextView extends MultiAutoCompleteTextView implements 107 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 108 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 109 TextView.OnEditorActionListener { 110 111 private static final char COMMIT_CHAR_COMMA = ','; 112 113 private static final char COMMIT_CHAR_SEMICOLON = ';'; 114 115 private static final char COMMIT_CHAR_SPACE = ' '; 116 117 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 118 + String.valueOf(COMMIT_CHAR_SPACE); 119 120 private static final String TAG = "RecipientEditTextView"; 121 122 private static int DISMISS = "dismiss".hashCode(); 123 124 private static final long DISMISS_DELAY = 300; 125 126 // TODO: get correct number/ algorithm from with UX. 127 // Visible for testing. 128 /*package*/ static final int CHIP_LIMIT = 2; 129 130 private static final int MAX_CHIPS_PARSED = 50; 131 132 private static int sSelectedTextColor = -1; 133 134 // Resources for displaying chips. 135 private Drawable mChipBackground = null; 136 137 private Drawable mChipDelete = null; 138 139 private Drawable mInvalidChipBackground; 140 141 private Drawable mChipBackgroundPressed; 142 143 private float mChipHeight; 144 145 private float mChipFontSize; 146 147 private float mLineSpacingExtra; 148 149 private int mChipPadding; 150 151 private Tokenizer mTokenizer; 152 153 private Validator mValidator; 154 155 private DrawableRecipientChip mSelectedChip; 156 157 private int mAlternatesLayout; 158 159 private Bitmap mDefaultContactPhoto; 160 161 private ImageSpan mMoreChip; 162 163 private TextView mMoreItem; 164 165 // VisibleForTesting 166 final ArrayList<String> mPendingChips = new ArrayList<String>(); 167 168 private Handler mHandler; 169 170 private int mPendingChipsCount = 0; 171 172 private boolean mNoChips = false; 173 174 private ListPopupWindow mAlternatesPopup; 175 176 private ListPopupWindow mAddressPopup; 177 178 // VisibleForTesting 179 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 180 181 private ArrayList<DrawableRecipientChip> mRemovedSpans; 182 183 private boolean mShouldShrink = true; 184 185 // Chip copy fields. 186 private GestureDetector mGestureDetector; 187 188 private Dialog mCopyDialog; 189 190 private String mCopyAddress; 191 192 /** 193 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 194 * selected chip. 195 */ 196 private OnItemClickListener mAlternatesListener; 197 198 private int mCheckedItem; 199 200 private TextWatcher mTextWatcher; 201 202 // Obtain the enclosing scroll view, if it exists, so that the view can be 203 // scrolled to show the last line of chips content. 204 private ScrollView mScrollView; 205 206 private boolean mTriedGettingScrollView; 207 208 private boolean mDragEnabled = false; 209 210 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 211 // parens, so numbers such as "1 (425) 222-2342" match. 212 private static final Pattern PHONE_PATTERN 213 = Pattern.compile( // sdd = space, dot, or dash 214 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 215 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 216 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 217 218 private final Runnable mAddTextWatcher = new Runnable() { 219 @Override 220 public void run() { 221 if (mTextWatcher == null) { 222 mTextWatcher = new RecipientTextWatcher(); 223 addTextChangedListener(mTextWatcher); 224 } 225 } 226 }; 227 228 private IndividualReplacementTask mIndividualReplacements; 229 230 private Runnable mHandlePendingChips = new Runnable() { 231 232 @Override 233 public void run() { 234 handlePendingChips(); 235 } 236 237 }; 238 239 private Runnable mDelayedShrink = new Runnable() { 240 241 @Override 242 public void run() { 243 shrink(); 244 } 245 246 }; 247 248 private int mMaxLines; 249 250 private static int sExcessTopPadding = -1; 251 252 private int mActionBarHeight; 253 254 public RecipientEditTextView(Context context, AttributeSet attrs) { 255 super(context, attrs); 256 setChipDimensions(context, attrs); 257 if (sSelectedTextColor == -1) { 258 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 259 } 260 mAlternatesPopup = new ListPopupWindow(context); 261 mAddressPopup = new ListPopupWindow(context); 262 mCopyDialog = new Dialog(context); 263 mAlternatesListener = new OnItemClickListener() { 264 @Override 265 public void onItemClick(AdapterView<?> adapterView,View view, int position, 266 long rowId) { 267 mAlternatesPopup.setOnItemClickListener(null); 268 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 269 .getRecipientEntry(position)); 270 Message delayed = Message.obtain(mHandler, DISMISS); 271 delayed.obj = mAlternatesPopup; 272 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 273 clearComposingText(); 274 } 275 }; 276 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 277 setOnItemClickListener(this); 278 setCustomSelectionActionModeCallback(this); 279 mHandler = new Handler() { 280 @Override 281 public void handleMessage(Message msg) { 282 if (msg.what == DISMISS) { 283 ((ListPopupWindow) msg.obj).dismiss(); 284 return; 285 } 286 super.handleMessage(msg); 287 } 288 }; 289 mTextWatcher = new RecipientTextWatcher(); 290 addTextChangedListener(mTextWatcher); 291 mGestureDetector = new GestureDetector(context, this); 292 setOnEditorActionListener(this); 293 } 294 295 @Override 296 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 297 if (action == EditorInfo.IME_ACTION_DONE) { 298 if (commitDefault()) { 299 return true; 300 } 301 if (mSelectedChip != null) { 302 clearSelectedChip(); 303 return true; 304 } else if (focusNext()) { 305 return true; 306 } 307 } 308 return false; 309 } 310 311 @Override 312 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 313 InputConnection connection = super.onCreateInputConnection(outAttrs); 314 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 315 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 316 // clear the existing action 317 outAttrs.imeOptions ^= imeActions; 318 // set the DONE action 319 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 320 } 321 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 322 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 323 } 324 325 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 326 outAttrs.actionLabel = getContext().getString(R.string.done); 327 return connection; 328 } 329 330 /*package*/ DrawableRecipientChip getLastChip() { 331 DrawableRecipientChip last = null; 332 DrawableRecipientChip[] chips = getSortedRecipients(); 333 if (chips != null && chips.length > 0) { 334 last = chips[chips.length - 1]; 335 } 336 return last; 337 } 338 339 @Override 340 public void onSelectionChanged(int start, int end) { 341 // When selection changes, see if it is inside the chips area. 342 // If so, move the cursor back after the chips again. 343 DrawableRecipientChip last = getLastChip(); 344 if (last != null && start < getSpannable().getSpanEnd(last)) { 345 // Grab the last chip and set the cursor to after it. 346 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 347 } 348 super.onSelectionChanged(start, end); 349 } 350 351 @Override 352 public void onRestoreInstanceState(Parcelable state) { 353 if (!TextUtils.isEmpty(getText())) { 354 super.onRestoreInstanceState(null); 355 } else { 356 super.onRestoreInstanceState(state); 357 } 358 } 359 360 @Override 361 public Parcelable onSaveInstanceState() { 362 // If the user changes orientation while they are editing, just roll back the selection. 363 clearSelectedChip(); 364 return super.onSaveInstanceState(); 365 } 366 367 /** 368 * Convenience method: Append the specified text slice to the TextView's 369 * display buffer, upgrading it to BufferType.EDITABLE if it was 370 * not already editable. Commas are excluded as they are added automatically 371 * by the view. 372 */ 373 @Override 374 public void append(CharSequence text, int start, int end) { 375 // We don't care about watching text changes while appending. 376 if (mTextWatcher != null) { 377 removeTextChangedListener(mTextWatcher); 378 } 379 super.append(text, start, end); 380 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 381 String displayString = text.toString(); 382 383 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 384 // We have no separator, so we should add it 385 super.append(SEPARATOR, 0, SEPARATOR.length()); 386 displayString += SEPARATOR; 387 } 388 389 if (!TextUtils.isEmpty(displayString) 390 && TextUtils.getTrimmedLength(displayString) > 0) { 391 mPendingChipsCount++; 392 mPendingChips.add(displayString); 393 } 394 } 395 // Put a message on the queue to make sure we ALWAYS handle pending 396 // chips. 397 if (mPendingChipsCount > 0) { 398 postHandlePendingChips(); 399 } 400 mHandler.post(mAddTextWatcher); 401 } 402 403 @Override 404 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 405 super.onFocusChanged(hasFocus, direction, previous); 406 if (!hasFocus) { 407 shrink(); 408 } else { 409 expand(); 410 } 411 } 412 413 private int getExcessTopPadding() { 414 if (sExcessTopPadding == -1) { 415 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 416 } 417 return sExcessTopPadding; 418 } 419 420 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 421 super.setAdapter(adapter); 422 ((BaseRecipientAdapter) adapter) 423 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 424 @Override 425 public void onChanged(List<RecipientEntry> entries) { 426 // Scroll the chips field to the top of the screen so 427 // that the user can see as many results as possible. 428 if (entries != null && entries.size() > 0) { 429 scrollBottomIntoView(); 430 } 431 } 432 }); 433 } 434 435 private void scrollBottomIntoView() { 436 if (mScrollView != null && mShouldShrink) { 437 int[] location = new int[2]; 438 getLocationOnScreen(location); 439 int height = getHeight(); 440 int currentPos = location[1] + height; 441 // Desired position shows at least 1 line of chips below the action 442 // bar. We add excess padding to make sure this is always below other 443 // content. 444 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 445 if (currentPos > desiredPos) { 446 mScrollView.scrollBy(0, currentPos - desiredPos); 447 } 448 } 449 } 450 451 @Override 452 public void performValidation() { 453 // Do nothing. Chips handles its own validation. 454 } 455 456 private void shrink() { 457 if (mTokenizer == null) { 458 return; 459 } 460 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 461 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 462 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 463 clearSelectedChip(); 464 } else { 465 if (getWidth() <= 0) { 466 // We don't have the width yet which means the view hasn't been drawn yet 467 // and there is no reason to attempt to commit chips yet. 468 // This focus lost must be the result of an orientation change 469 // or an initial rendering. 470 // Re-post the shrink for later. 471 mHandler.removeCallbacks(mDelayedShrink); 472 mHandler.post(mDelayedShrink); 473 return; 474 } 475 // Reset any pending chips as they would have been handled 476 // when the field lost focus. 477 if (mPendingChipsCount > 0) { 478 postHandlePendingChips(); 479 } else { 480 Editable editable = getText(); 481 int end = getSelectionEnd(); 482 int start = mTokenizer.findTokenStart(editable, end); 483 DrawableRecipientChip[] chips = 484 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 485 if ((chips == null || chips.length == 0)) { 486 Editable text = getText(); 487 int whatEnd = mTokenizer.findTokenEnd(text, start); 488 // This token was already tokenized, so skip past the ending token. 489 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 490 whatEnd = movePastTerminators(whatEnd); 491 } 492 // In the middle of chip; treat this as an edit 493 // and commit the whole token. 494 int selEnd = getSelectionEnd(); 495 if (whatEnd != selEnd) { 496 handleEdit(start, whatEnd); 497 } else { 498 commitChip(start, end, editable); 499 } 500 } 501 } 502 mHandler.post(mAddTextWatcher); 503 } 504 createMoreChip(); 505 } 506 507 private void expand() { 508 if (mShouldShrink) { 509 setMaxLines(Integer.MAX_VALUE); 510 } 511 removeMoreChip(); 512 setCursorVisible(true); 513 Editable text = getText(); 514 setSelection(text != null && text.length() > 0 ? text.length() : 0); 515 // If there are any temporary chips, try replacing them now that the user 516 // has expanded the field. 517 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 518 new RecipientReplacementTask().execute(); 519 mTemporaryRecipients = null; 520 } 521 } 522 523 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 524 paint.setTextSize(mChipFontSize); 525 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 526 Log.d(TAG, "Max width is negative: " + maxWidth); 527 } 528 return TextUtils.ellipsize(text, paint, maxWidth, 529 TextUtils.TruncateAt.END); 530 } 531 532 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 533 // Ellipsize the text so that it takes AT MOST the entire width of the 534 // autocomplete text entry area. Make sure to leave space for padding 535 // on the sides. 536 int height = (int) mChipHeight; 537 int deleteWidth = height; 538 float[] widths = new float[1]; 539 paint.getTextWidths(" ", widths); 540 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 541 calculateAvailableWidth() - deleteWidth - widths[0]); 542 543 // Make sure there is a minimum chip width so the user can ALWAYS 544 // tap a chip without difficulty. 545 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 546 ellipsizedText.length())) 547 + (mChipPadding * 2) + deleteWidth); 548 549 // Create the background of the chip. 550 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 551 Canvas canvas = new Canvas(tmpBitmap); 552 if (mChipBackgroundPressed != null) { 553 mChipBackgroundPressed.setBounds(0, 0, width, height); 554 mChipBackgroundPressed.draw(canvas); 555 paint.setColor(sSelectedTextColor); 556 // Vertically center the text in the chip. 557 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 558 getTextYOffset((String) ellipsizedText, paint, height), paint); 559 // Make the delete a square. 560 Rect backgroundPadding = new Rect(); 561 mChipBackgroundPressed.getPadding(backgroundPadding); 562 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 563 0 + backgroundPadding.top, 564 width - backgroundPadding.right, 565 height - backgroundPadding.bottom); 566 mChipDelete.draw(canvas); 567 } else { 568 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 569 } 570 return tmpBitmap; 571 } 572 573 574 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 575 boolean leaveBlankIconSpacer) { 576 // Ellipsize the text so that it takes AT MOST the entire width of the 577 // autocomplete text entry area. Make sure to leave space for padding 578 // on the sides. 579 int height = (int) mChipHeight; 580 int iconWidth = height; 581 float[] widths = new float[1]; 582 paint.getTextWidths(" ", widths); 583 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 584 calculateAvailableWidth() - iconWidth - widths[0]); 585 // Make sure there is a minimum chip width so the user can ALWAYS 586 // tap a chip without difficulty. 587 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 588 ellipsizedText.length())) 589 + (mChipPadding * 2) + iconWidth); 590 591 // Create the background of the chip. 592 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 593 Canvas canvas = new Canvas(tmpBitmap); 594 Drawable background = getChipBackground(contact); 595 if (background != null) { 596 background.setBounds(0, 0, width, height); 597 background.draw(canvas); 598 599 // Don't draw photos for recipients that have been typed in OR generated on the fly. 600 long contactId = contact.getContactId(); 601 boolean drawPhotos = isPhoneQuery() ? 602 contactId != RecipientEntry.INVALID_CONTACT 603 : (contactId != RecipientEntry.INVALID_CONTACT 604 && (contactId != RecipientEntry.GENERATED_CONTACT && 605 !TextUtils.isEmpty(contact.getDisplayName()))); 606 if (drawPhotos) { 607 byte[] photoBytes = contact.getPhotoBytes(); 608 // There may not be a photo yet if anything but the first contact address 609 // was selected. 610 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 611 // TODO: cache this in the recipient entry? 612 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 613 .getPhotoThumbnailUri()); 614 photoBytes = contact.getPhotoBytes(); 615 } 616 617 Bitmap photo; 618 if (photoBytes != null) { 619 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 620 } else { 621 // TODO: can the scaled down default photo be cached? 622 photo = mDefaultContactPhoto; 623 } 624 // Draw the photo on the left side. 625 if (photo != null) { 626 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 627 Rect backgroundPadding = new Rect(); 628 mChipBackground.getPadding(backgroundPadding); 629 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 630 0 + backgroundPadding.top, 631 width - backgroundPadding.right, 632 height - backgroundPadding.bottom); 633 Matrix matrix = new Matrix(); 634 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 635 canvas.drawBitmap(photo, matrix, paint); 636 } 637 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 638 iconWidth = 0; 639 } 640 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 641 // Vertically center the text in the chip. 642 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 643 getTextYOffset((String)ellipsizedText, paint, height), paint); 644 } else { 645 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 646 } 647 return tmpBitmap; 648 } 649 650 /** 651 * Get the background drawable for a RecipientChip. 652 */ 653 // Visible for testing. 654 /* package */Drawable getChipBackground(RecipientEntry contact) { 655 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 656 } 657 658 private static float getTextYOffset(String text, TextPaint paint, int height) { 659 Rect bounds = new Rect(); 660 paint.getTextBounds(text, 0, text.length(), bounds); 661 int textHeight = bounds.bottom - bounds.top ; 662 return height - ((height - textHeight) / 2) - (int)paint.descent(); 663 } 664 665 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 666 boolean leaveIconSpace) throws NullPointerException { 667 if (mChipBackground == null) { 668 throw new NullPointerException( 669 "Unable to render any chips as setChipDimensions was not called."); 670 } 671 672 TextPaint paint = getPaint(); 673 float defaultSize = paint.getTextSize(); 674 int defaultColor = paint.getColor(); 675 676 Bitmap tmpBitmap; 677 if (pressed) { 678 tmpBitmap = createSelectedChip(contact, paint); 679 680 } else { 681 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 682 } 683 684 // Pass the full text, un-ellipsized, to the chip. 685 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 686 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 687 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 688 // Return text to the original size. 689 paint.setTextSize(defaultSize); 690 paint.setColor(defaultColor); 691 return recipientChip; 692 } 693 694 /** 695 * Calculate the bottom of the line the chip will be located on using: 696 * 1) which line the chip appears on 697 * 2) the height of a chip 698 * 3) padding built into the edit text view 699 */ 700 private int calculateOffsetFromBottom(int line) { 701 // Line offsets start at zero. 702 int actualLine = getLineCount() - (line + 1); 703 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 704 + getDropDownVerticalOffset(); 705 } 706 707 /** 708 * Get the max amount of space a chip can take up. The formula takes into 709 * account the width of the EditTextView, any view padding, and padding 710 * that will be added to the chip. 711 */ 712 private float calculateAvailableWidth() { 713 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 714 } 715 716 717 private void setChipDimensions(Context context, AttributeSet attrs) { 718 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 719 0); 720 Resources r = getContext().getResources(); 721 722 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 723 if (mChipBackground == null) { 724 mChipBackground = r.getDrawable(R.drawable.chip_background); 725 } 726 mChipBackgroundPressed = a 727 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 728 if (mChipBackgroundPressed == null) { 729 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 730 } 731 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 732 if (mChipDelete == null) { 733 mChipDelete = r.getDrawable(R.drawable.chip_delete); 734 } 735 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 736 if (mChipPadding == -1) { 737 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 738 } 739 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 740 -1); 741 if (mAlternatesLayout == -1) { 742 mAlternatesLayout = R.layout.chips_alternate_item; 743 } 744 745 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 746 747 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 748 749 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 750 if (mChipHeight == -1) { 751 mChipHeight = r.getDimension(R.dimen.chip_height); 752 } 753 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 754 if (mChipFontSize == -1) { 755 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 756 } 757 mInvalidChipBackground = a 758 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 759 if (mInvalidChipBackground == null) { 760 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 761 } 762 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 763 mMaxLines = r.getInteger(R.integer.chips_max_lines); 764 TypedValue tv = new TypedValue(); 765 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 766 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 767 .getDisplayMetrics()); 768 } 769 a.recycle(); 770 } 771 772 // Visible for testing. 773 /* package */ void setMoreItem(TextView moreItem) { 774 mMoreItem = moreItem; 775 } 776 777 778 // Visible for testing. 779 /* package */ void setChipBackground(Drawable chipBackground) { 780 mChipBackground = chipBackground; 781 } 782 783 // Visible for testing. 784 /* package */ void setChipHeight(int height) { 785 mChipHeight = height; 786 } 787 788 /** 789 * Set whether to shrink the recipients field such that at most 790 * one line of recipients chips are shown when the field loses 791 * focus. By default, the number of displayed recipients will be 792 * limited and a "more" chip will be shown when focus is lost. 793 * @param shrink 794 */ 795 public void setOnFocusListShrinkRecipients(boolean shrink) { 796 mShouldShrink = shrink; 797 } 798 799 @Override 800 public void onSizeChanged(int width, int height, int oldw, int oldh) { 801 super.onSizeChanged(width, height, oldw, oldh); 802 if (width != 0 && height != 0) { 803 if (mPendingChipsCount > 0) { 804 postHandlePendingChips(); 805 } else { 806 checkChipWidths(); 807 } 808 } 809 // Try to find the scroll view parent, if it exists. 810 if (mScrollView == null && !mTriedGettingScrollView) { 811 ViewParent parent = getParent(); 812 while (parent != null && !(parent instanceof ScrollView)) { 813 parent = parent.getParent(); 814 } 815 if (parent != null) { 816 mScrollView = (ScrollView) parent; 817 } 818 mTriedGettingScrollView = true; 819 } 820 } 821 822 private void postHandlePendingChips() { 823 mHandler.removeCallbacks(mHandlePendingChips); 824 mHandler.post(mHandlePendingChips); 825 } 826 827 private void checkChipWidths() { 828 // Check the widths of the associated chips. 829 DrawableRecipientChip[] chips = getSortedRecipients(); 830 if (chips != null) { 831 Rect bounds; 832 for (DrawableRecipientChip chip : chips) { 833 bounds = chip.getBounds(); 834 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 835 // Need to redraw that chip. 836 replaceChip(chip, chip.getEntry()); 837 } 838 } 839 } 840 } 841 842 // Visible for testing. 843 /*package*/ void handlePendingChips() { 844 if (getViewWidth() <= 0) { 845 // The widget has not been sized yet. 846 // This will be called as a result of onSizeChanged 847 // at a later point. 848 return; 849 } 850 if (mPendingChipsCount <= 0) { 851 return; 852 } 853 854 synchronized (mPendingChips) { 855 Editable editable = getText(); 856 // Tokenize! 857 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 858 for (int i = 0; i < mPendingChips.size(); i++) { 859 String current = mPendingChips.get(i); 860 int tokenStart = editable.toString().indexOf(current); 861 // Always leave a space at the end between tokens. 862 int tokenEnd = tokenStart + current.length() - 1; 863 if (tokenStart >= 0) { 864 // When we have a valid token, include it with the token 865 // to the left. 866 if (tokenEnd < editable.length() - 2 867 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 868 tokenEnd++; 869 } 870 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 871 || !mShouldShrink); 872 } 873 mPendingChipsCount--; 874 } 875 sanitizeEnd(); 876 } else { 877 mNoChips = true; 878 } 879 880 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 881 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 882 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 883 new RecipientReplacementTask().execute(); 884 mTemporaryRecipients = null; 885 } else { 886 // Create the "more" chip 887 mIndividualReplacements = new IndividualReplacementTask(); 888 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 889 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 890 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 891 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 892 mTemporaryRecipients.subList(CHIP_LIMIT, 893 mTemporaryRecipients.size())); 894 } else { 895 mTemporaryRecipients = null; 896 } 897 createMoreChip(); 898 } 899 } else { 900 // There are too many recipients to look up, so just fall back 901 // to showing addresses for all of them. 902 mTemporaryRecipients = null; 903 createMoreChip(); 904 } 905 mPendingChipsCount = 0; 906 mPendingChips.clear(); 907 } 908 } 909 910 // Visible for testing. 911 /*package*/ int getViewWidth() { 912 return getWidth(); 913 } 914 915 /** 916 * Remove any characters after the last valid chip. 917 */ 918 // Visible for testing. 919 /*package*/ void sanitizeEnd() { 920 // Don't sanitize while we are waiting for pending chips to complete. 921 if (mPendingChipsCount > 0) { 922 return; 923 } 924 // Find the last chip; eliminate any commit characters after it. 925 DrawableRecipientChip[] chips = getSortedRecipients(); 926 Spannable spannable = getSpannable(); 927 if (chips != null && chips.length > 0) { 928 int end; 929 mMoreChip = getMoreChip(); 930 if (mMoreChip != null) { 931 end = spannable.getSpanEnd(mMoreChip); 932 } else { 933 end = getSpannable().getSpanEnd(getLastChip()); 934 } 935 Editable editable = getText(); 936 int length = editable.length(); 937 if (length > end) { 938 // See what characters occur after that and eliminate them. 939 if (Log.isLoggable(TAG, Log.DEBUG)) { 940 Log.d(TAG, "There were extra characters after the last tokenizable entry." 941 + editable); 942 } 943 editable.delete(end + 1, length); 944 } 945 } 946 } 947 948 /** 949 * Create a chip that represents just the email address of a recipient. At some later 950 * point, this chip will be attached to a real contact entry, if one exists. 951 */ 952 // VisibleForTesting 953 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 954 boolean visible) { 955 if (alreadyHasChip(tokenStart, tokenEnd)) { 956 // There is already a chip present at this location. 957 // Don't recreate it. 958 return; 959 } 960 String token = editable.toString().substring(tokenStart, tokenEnd); 961 final String trimmedToken = token.trim(); 962 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 963 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 964 token = trimmedToken.substring(0, trimmedToken.length() - 1); 965 } 966 RecipientEntry entry = createTokenizedEntry(token); 967 if (entry != null) { 968 DrawableRecipientChip chip = null; 969 try { 970 if (!mNoChips) { 971 /* 972 * leave space for the contact icon if this is not just an 973 * email address 974 */ 975 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 976 || TextUtils.equals(entry.getDisplayName(), 977 entry.getDestination()); 978 chip = visible ? 979 constructChipSpan(entry, false, leaveSpace) 980 : new InvisibleRecipientChip(entry); 981 } 982 } catch (NullPointerException e) { 983 Log.e(TAG, e.getMessage(), e); 984 } 985 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 986 // Add this chip to the list of entries "to replace" 987 if (chip != null) { 988 if (mTemporaryRecipients == null) { 989 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 990 } 991 chip.setOriginalText(token); 992 mTemporaryRecipients.add(chip); 993 } 994 } 995 } 996 997 private static boolean isPhoneNumber(String number) { 998 // TODO: replace this function with libphonenumber's isPossibleNumber (see 999 // PhoneNumberUtil). One complication is that it requires the sender's region which 1000 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1001 if (TextUtils.isEmpty(number)) { 1002 return false; 1003 } 1004 1005 Matcher match = PHONE_PATTERN.matcher(number); 1006 return match.matches(); 1007 } 1008 1009 // VisibleForTesting 1010 RecipientEntry createTokenizedEntry(final String token) { 1011 if (TextUtils.isEmpty(token)) { 1012 return null; 1013 } 1014 if (isPhoneQuery() && isPhoneNumber(token)) { 1015 return RecipientEntry.constructFakePhoneEntry(token, true); 1016 } 1017 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1018 String display = null; 1019 boolean isValid = isValid(token); 1020 if (isValid && tokens != null && tokens.length > 0) { 1021 // If we can get a name from tokenizing, then generate an entry from 1022 // this. 1023 display = tokens[0].getName(); 1024 if (!TextUtils.isEmpty(display)) { 1025 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1026 isValid); 1027 } else { 1028 display = tokens[0].getAddress(); 1029 if (!TextUtils.isEmpty(display)) { 1030 return RecipientEntry.constructFakeEntry(display, isValid); 1031 } 1032 } 1033 } 1034 // Unable to validate the token or to create a valid token from it. 1035 // Just create a chip the user can edit. 1036 String validatedToken = null; 1037 if (mValidator != null && !isValid) { 1038 // Try fixing up the entry using the validator. 1039 validatedToken = mValidator.fixText(token).toString(); 1040 if (!TextUtils.isEmpty(validatedToken)) { 1041 if (validatedToken.contains(token)) { 1042 // protect against the case of a validator with a null 1043 // domain, 1044 // which doesn't add a domain to the token 1045 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1046 if (tokenized.length > 0) { 1047 validatedToken = tokenized[0].getAddress(); 1048 isValid = true; 1049 } 1050 } else { 1051 // We ran into a case where the token was invalid and 1052 // removed 1053 // by the validator. In this case, just use the original 1054 // token 1055 // and let the user sort out the error chip. 1056 validatedToken = null; 1057 isValid = false; 1058 } 1059 } 1060 } 1061 // Otherwise, fallback to just creating an editable email address chip. 1062 return RecipientEntry.constructFakeEntry( 1063 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1064 } 1065 1066 private boolean isValid(String text) { 1067 return mValidator == null ? true : mValidator.isValid(text); 1068 } 1069 1070 private static String tokenizeAddress(String destination) { 1071 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1072 if (tokens != null && tokens.length > 0) { 1073 return tokens[0].getAddress(); 1074 } 1075 return destination; 1076 } 1077 1078 @Override 1079 public void setTokenizer(Tokenizer tokenizer) { 1080 mTokenizer = tokenizer; 1081 super.setTokenizer(mTokenizer); 1082 } 1083 1084 @Override 1085 public void setValidator(Validator validator) { 1086 mValidator = validator; 1087 super.setValidator(validator); 1088 } 1089 1090 /** 1091 * We cannot use the default mechanism for replaceText. Instead, 1092 * we override onItemClickListener so we can get all the associated 1093 * contact information including display text, address, and id. 1094 */ 1095 @Override 1096 protected void replaceText(CharSequence text) { 1097 return; 1098 } 1099 1100 /** 1101 * Dismiss any selected chips when the back key is pressed. 1102 */ 1103 @Override 1104 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1105 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1106 clearSelectedChip(); 1107 return true; 1108 } 1109 return super.onKeyPreIme(keyCode, event); 1110 } 1111 1112 /** 1113 * Monitor key presses in this view to see if the user types 1114 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1115 * If the user has entered text that has contact matches and types 1116 * a commit key, create a chip from the topmost matching contact. 1117 * If the user has entered text that has no contact matches and types 1118 * a commit key, then create a chip from the text they have entered. 1119 */ 1120 @Override 1121 public boolean onKeyUp(int keyCode, KeyEvent event) { 1122 switch (keyCode) { 1123 case KeyEvent.KEYCODE_TAB: 1124 if (event.hasNoModifiers()) { 1125 if (mSelectedChip != null) { 1126 clearSelectedChip(); 1127 } else { 1128 commitDefault(); 1129 } 1130 } 1131 break; 1132 } 1133 return super.onKeyUp(keyCode, event); 1134 } 1135 1136 private boolean focusNext() { 1137 View next = focusSearch(View.FOCUS_DOWN); 1138 if (next != null) { 1139 next.requestFocus(); 1140 return true; 1141 } 1142 return false; 1143 } 1144 1145 /** 1146 * Create a chip from the default selection. If the popup is showing, the 1147 * default is the first item in the popup suggestions list. Otherwise, it is 1148 * whatever the user had typed in. End represents where the the tokenizer 1149 * should search for a token to turn into a chip. 1150 * @return If a chip was created from a real contact. 1151 */ 1152 private boolean commitDefault() { 1153 // If there is no tokenizer, don't try to commit. 1154 if (mTokenizer == null) { 1155 return false; 1156 } 1157 Editable editable = getText(); 1158 int end = getSelectionEnd(); 1159 int start = mTokenizer.findTokenStart(editable, end); 1160 1161 if (shouldCreateChip(start, end)) { 1162 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1163 // In the middle of chip; treat this as an edit 1164 // and commit the whole token. 1165 whatEnd = movePastTerminators(whatEnd); 1166 if (whatEnd != getSelectionEnd()) { 1167 handleEdit(start, whatEnd); 1168 return true; 1169 } 1170 return commitChip(start, end , editable); 1171 } 1172 return false; 1173 } 1174 1175 private void commitByCharacter() { 1176 // We can't possibly commit by character if we can't tokenize. 1177 if (mTokenizer == null) { 1178 return; 1179 } 1180 Editable editable = getText(); 1181 int end = getSelectionEnd(); 1182 int start = mTokenizer.findTokenStart(editable, end); 1183 if (shouldCreateChip(start, end)) { 1184 commitChip(start, end, editable); 1185 } 1186 setSelection(getText().length()); 1187 } 1188 1189 private boolean commitChip(int start, int end, Editable editable) { 1190 ListAdapter adapter = getAdapter(); 1191 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1192 && end == getSelectionEnd() && !isPhoneQuery()) { 1193 // choose the first entry. 1194 submitItemAtPosition(0); 1195 dismissDropDown(); 1196 return true; 1197 } else { 1198 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1199 if (editable.length() > tokenEnd + 1) { 1200 char charAt = editable.charAt(tokenEnd + 1); 1201 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1202 tokenEnd++; 1203 } 1204 } 1205 String text = editable.toString().substring(start, tokenEnd).trim(); 1206 clearComposingText(); 1207 if (text != null && text.length() > 0 && !text.equals(" ")) { 1208 RecipientEntry entry = createTokenizedEntry(text); 1209 if (entry != null) { 1210 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1211 CharSequence chipText = createChip(entry, false); 1212 if (chipText != null && start > -1 && end > -1) { 1213 editable.replace(start, end, chipText); 1214 } 1215 } 1216 // Only dismiss the dropdown if it is related to the text we 1217 // just committed. 1218 // For paste, it may not be as there are possibly multiple 1219 // tokens being added. 1220 if (end == getSelectionEnd()) { 1221 dismissDropDown(); 1222 } 1223 sanitizeBetween(); 1224 return true; 1225 } 1226 } 1227 return false; 1228 } 1229 1230 // Visible for testing. 1231 /* package */ void sanitizeBetween() { 1232 // Don't sanitize while we are waiting for content to chipify. 1233 if (mPendingChipsCount > 0) { 1234 return; 1235 } 1236 // Find the last chip. 1237 DrawableRecipientChip[] recips = getSortedRecipients(); 1238 if (recips != null && recips.length > 0) { 1239 DrawableRecipientChip last = recips[recips.length - 1]; 1240 DrawableRecipientChip beforeLast = null; 1241 if (recips.length > 1) { 1242 beforeLast = recips[recips.length - 2]; 1243 } 1244 int startLooking = 0; 1245 int end = getSpannable().getSpanStart(last); 1246 if (beforeLast != null) { 1247 startLooking = getSpannable().getSpanEnd(beforeLast); 1248 Editable text = getText(); 1249 if (startLooking == -1 || startLooking > text.length() - 1) { 1250 // There is nothing after this chip. 1251 return; 1252 } 1253 if (text.charAt(startLooking) == ' ') { 1254 startLooking++; 1255 } 1256 } 1257 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1258 getText().delete(startLooking, end); 1259 } 1260 } 1261 } 1262 1263 private boolean shouldCreateChip(int start, int end) { 1264 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1265 } 1266 1267 private boolean alreadyHasChip(int start, int end) { 1268 if (mNoChips) { 1269 return true; 1270 } 1271 DrawableRecipientChip[] chips = 1272 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1273 if ((chips == null || chips.length == 0)) { 1274 return false; 1275 } 1276 return true; 1277 } 1278 1279 private void handleEdit(int start, int end) { 1280 if (start == -1 || end == -1) { 1281 // This chip no longer exists in the field. 1282 dismissDropDown(); 1283 return; 1284 } 1285 // This is in the middle of a chip, so select out the whole chip 1286 // and commit it. 1287 Editable editable = getText(); 1288 setSelection(end); 1289 String text = getText().toString().substring(start, end); 1290 if (!TextUtils.isEmpty(text)) { 1291 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1292 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1293 CharSequence chipText = createChip(entry, false); 1294 int selEnd = getSelectionEnd(); 1295 if (chipText != null && start > -1 && selEnd > -1) { 1296 editable.replace(start, selEnd, chipText); 1297 } 1298 } 1299 dismissDropDown(); 1300 } 1301 1302 /** 1303 * If there is a selected chip, delegate the key events 1304 * to the selected chip. 1305 */ 1306 @Override 1307 public boolean onKeyDown(int keyCode, KeyEvent event) { 1308 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1309 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1310 mAlternatesPopup.dismiss(); 1311 } 1312 removeChip(mSelectedChip); 1313 } 1314 1315 switch (keyCode) { 1316 case KeyEvent.KEYCODE_ENTER: 1317 case KeyEvent.KEYCODE_DPAD_CENTER: 1318 if (event.hasNoModifiers()) { 1319 if (commitDefault()) { 1320 return true; 1321 } 1322 if (mSelectedChip != null) { 1323 clearSelectedChip(); 1324 return true; 1325 } else if (focusNext()) { 1326 return true; 1327 } 1328 } 1329 break; 1330 } 1331 1332 return super.onKeyDown(keyCode, event); 1333 } 1334 1335 // Visible for testing. 1336 /* package */ Spannable getSpannable() { 1337 return getText(); 1338 } 1339 1340 private int getChipStart(DrawableRecipientChip chip) { 1341 return getSpannable().getSpanStart(chip); 1342 } 1343 1344 private int getChipEnd(DrawableRecipientChip chip) { 1345 return getSpannable().getSpanEnd(chip); 1346 } 1347 1348 /** 1349 * Instead of filtering on the entire contents of the edit box, 1350 * this subclass method filters on the range from 1351 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1352 * if the length of that range meets or exceeds {@link #getThreshold} 1353 * and makes sure that the range is not already a Chip. 1354 */ 1355 @Override 1356 protected void performFiltering(CharSequence text, int keyCode) { 1357 boolean isCompletedToken = isCompletedToken(text); 1358 if (enoughToFilter() && !isCompletedToken) { 1359 int end = getSelectionEnd(); 1360 int start = mTokenizer.findTokenStart(text, end); 1361 // If this is a RecipientChip, don't filter 1362 // on its contents. 1363 Spannable span = getSpannable(); 1364 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1365 if (chips != null && chips.length > 0) { 1366 return; 1367 } 1368 } else if (isCompletedToken) { 1369 return; 1370 } 1371 super.performFiltering(text, keyCode); 1372 } 1373 1374 // Visible for testing. 1375 /*package*/ boolean isCompletedToken(CharSequence text) { 1376 if (TextUtils.isEmpty(text)) { 1377 return false; 1378 } 1379 // Check to see if this is a completed token before filtering. 1380 int end = text.length(); 1381 int start = mTokenizer.findTokenStart(text, end); 1382 String token = text.toString().substring(start, end).trim(); 1383 if (!TextUtils.isEmpty(token)) { 1384 char atEnd = token.charAt(token.length() - 1); 1385 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1386 } 1387 return false; 1388 } 1389 1390 private void clearSelectedChip() { 1391 if (mSelectedChip != null) { 1392 unselectChip(mSelectedChip); 1393 mSelectedChip = null; 1394 } 1395 setCursorVisible(true); 1396 } 1397 1398 /** 1399 * Monitor touch events in the RecipientEditTextView. 1400 * If the view does not have focus, any tap on the view 1401 * will just focus the view. If the view has focus, determine 1402 * if the touch target is a recipient chip. If it is and the chip 1403 * is not selected, select it and clear any other selected chips. 1404 * If it isn't, then select that chip. 1405 */ 1406 @Override 1407 public boolean onTouchEvent(MotionEvent event) { 1408 if (!isFocused()) { 1409 // Ignore any chip taps until this view is focused. 1410 return super.onTouchEvent(event); 1411 } 1412 boolean handled = super.onTouchEvent(event); 1413 int action = event.getAction(); 1414 boolean chipWasSelected = false; 1415 if (mSelectedChip == null) { 1416 mGestureDetector.onTouchEvent(event); 1417 } 1418 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1419 float x = event.getX(); 1420 float y = event.getY(); 1421 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1422 DrawableRecipientChip currentChip = findChip(offset); 1423 if (currentChip != null) { 1424 if (action == MotionEvent.ACTION_UP) { 1425 if (mSelectedChip != null && mSelectedChip != currentChip) { 1426 clearSelectedChip(); 1427 mSelectedChip = selectChip(currentChip); 1428 } else if (mSelectedChip == null) { 1429 setSelection(getText().length()); 1430 commitDefault(); 1431 mSelectedChip = selectChip(currentChip); 1432 } else { 1433 onClick(mSelectedChip, offset, x, y); 1434 } 1435 } 1436 chipWasSelected = true; 1437 handled = true; 1438 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1439 chipWasSelected = true; 1440 } 1441 } 1442 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1443 clearSelectedChip(); 1444 } 1445 return handled; 1446 } 1447 1448 private void scrollLineIntoView(int line) { 1449 if (mScrollView != null) { 1450 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1451 } 1452 } 1453 1454 private void showAlternates(final DrawableRecipientChip currentChip, 1455 final ListPopupWindow alternatesPopup, final int width) { 1456 new AsyncTask<Void, Void, ListAdapter>() { 1457 @Override 1458 protected ListAdapter doInBackground(final Void... params) { 1459 return createAlternatesAdapter(currentChip); 1460 } 1461 1462 protected void onPostExecute(final ListAdapter result) { 1463 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1464 int bottom; 1465 if (line == getLineCount() -1) { 1466 bottom = 0; 1467 } else { 1468 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1469 .abs(getLineCount() - 1 - line))); 1470 } 1471 // Align the alternates popup with the left side of the View, 1472 // regardless of the position of the chip tapped. 1473 alternatesPopup.setWidth(width); 1474 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1475 alternatesPopup.setVerticalOffset(bottom); 1476 alternatesPopup.setAdapter(result); 1477 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1478 // Clear the checked item. 1479 mCheckedItem = -1; 1480 alternatesPopup.show(); 1481 ListView listView = alternatesPopup.getListView(); 1482 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1483 // Checked item would be -1 if the adapter has not 1484 // loaded the view that should be checked yet. The 1485 // variable will be set correctly when onCheckedItemChanged 1486 // is called in a separate thread. 1487 if (mCheckedItem != -1) { 1488 listView.setItemChecked(mCheckedItem, true); 1489 mCheckedItem = -1; 1490 } 1491 } 1492 }.execute((Void[]) null); 1493 } 1494 1495 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1496 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1497 ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1498 } 1499 1500 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1501 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1502 .getEntry()); 1503 } 1504 1505 @Override 1506 public void onCheckedItemChanged(int position) { 1507 ListView listView = mAlternatesPopup.getListView(); 1508 if (listView != null && listView.getCheckedItemCount() == 0) { 1509 listView.setItemChecked(position, true); 1510 } 1511 mCheckedItem = position; 1512 } 1513 1514 // TODO: This algorithm will need a lot of tweaking after more people have used 1515 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1516 // what comes before the finger. 1517 private int putOffsetInRange(int o) { 1518 int offset = o; 1519 Editable text = getText(); 1520 int length = text.length(); 1521 // Remove whitespace from end to find "real end" 1522 int realLength = length; 1523 for (int i = length - 1; i >= 0; i--) { 1524 if (text.charAt(i) == ' ') { 1525 realLength--; 1526 } else { 1527 break; 1528 } 1529 } 1530 1531 // If the offset is beyond or at the end of the text, 1532 // leave it alone. 1533 if (offset >= realLength) { 1534 return offset; 1535 } 1536 Editable editable = getText(); 1537 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1538 // Keep walking backward! 1539 offset--; 1540 } 1541 return offset; 1542 } 1543 1544 private static int findText(Editable text, int offset) { 1545 if (text.charAt(offset) != ' ') { 1546 return offset; 1547 } 1548 return -1; 1549 } 1550 1551 private DrawableRecipientChip findChip(int offset) { 1552 DrawableRecipientChip[] chips = 1553 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1554 // Find the chip that contains this offset. 1555 for (int i = 0; i < chips.length; i++) { 1556 DrawableRecipientChip chip = chips[i]; 1557 int start = getChipStart(chip); 1558 int end = getChipEnd(chip); 1559 if (offset >= start && offset <= end) { 1560 return chip; 1561 } 1562 } 1563 return null; 1564 } 1565 1566 // Visible for testing. 1567 // Use this method to generate text to add to the list of addresses. 1568 /* package */String createAddressText(RecipientEntry entry) { 1569 String display = entry.getDisplayName(); 1570 String address = entry.getDestination(); 1571 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1572 display = null; 1573 } 1574 String trimmedDisplayText; 1575 if (isPhoneQuery() && isPhoneNumber(address)) { 1576 trimmedDisplayText = address.trim(); 1577 } else { 1578 if (address != null) { 1579 // Tokenize out the address in case the address already 1580 // contained the username as well. 1581 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1582 if (tokenized != null && tokenized.length > 0) { 1583 address = tokenized[0].getAddress(); 1584 } 1585 } 1586 Rfc822Token token = new Rfc822Token(display, address, null); 1587 trimmedDisplayText = token.toString().trim(); 1588 } 1589 int index = trimmedDisplayText.indexOf(","); 1590 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1591 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1592 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1593 } 1594 1595 // Visible for testing. 1596 // Use this method to generate text to display in a chip. 1597 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1598 String display = entry.getDisplayName(); 1599 String address = entry.getDestination(); 1600 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1601 display = null; 1602 } 1603 if (!TextUtils.isEmpty(display)) { 1604 return display; 1605 } else if (!TextUtils.isEmpty(address)){ 1606 return address; 1607 } else { 1608 return new Rfc822Token(display, address, null).toString(); 1609 } 1610 } 1611 1612 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1613 String displayText = createAddressText(entry); 1614 if (TextUtils.isEmpty(displayText)) { 1615 return null; 1616 } 1617 SpannableString chipText = null; 1618 // Always leave a blank space at the end of a chip. 1619 int textLength = displayText.length() - 1; 1620 chipText = new SpannableString(displayText); 1621 if (!mNoChips) { 1622 try { 1623 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1624 false /* leave space for contact icon */); 1625 chipText.setSpan(chip, 0, textLength, 1626 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1627 chip.setOriginalText(chipText.toString()); 1628 } catch (NullPointerException e) { 1629 Log.e(TAG, e.getMessage(), e); 1630 return null; 1631 } 1632 } 1633 return chipText; 1634 } 1635 1636 /** 1637 * When an item in the suggestions list has been clicked, create a chip from the 1638 * contact information of the selected item. 1639 */ 1640 @Override 1641 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1642 submitItemAtPosition(position); 1643 } 1644 1645 private void submitItemAtPosition(int position) { 1646 RecipientEntry entry = createValidatedEntry( 1647 (RecipientEntry)getAdapter().getItem(position)); 1648 if (entry == null) { 1649 return; 1650 } 1651 clearComposingText(); 1652 1653 int end = getSelectionEnd(); 1654 int start = mTokenizer.findTokenStart(getText(), end); 1655 1656 Editable editable = getText(); 1657 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1658 CharSequence chip = createChip(entry, false); 1659 if (chip != null && start >= 0 && end >= 0) { 1660 editable.replace(start, end, chip); 1661 } 1662 sanitizeBetween(); 1663 } 1664 1665 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1666 if (item == null) { 1667 return null; 1668 } 1669 final RecipientEntry entry; 1670 // If the display name and the address are the same, or if this is a 1671 // valid contact, but the destination is invalid, then make this a fake 1672 // recipient that is editable. 1673 String destination = item.getDestination(); 1674 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1675 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1676 destination, item.isValid()); 1677 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1678 && (TextUtils.isEmpty(item.getDisplayName()) 1679 || TextUtils.equals(item.getDisplayName(), destination) 1680 || (mValidator != null && !mValidator.isValid(destination)))) { 1681 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1682 } else { 1683 entry = item; 1684 } 1685 return entry; 1686 } 1687 1688 /** Returns a collection of contact Id for each chip inside this View. */ 1689 /* package */ Collection<Long> getContactIds() { 1690 final Set<Long> result = new HashSet<Long>(); 1691 DrawableRecipientChip[] chips = getSortedRecipients(); 1692 if (chips != null) { 1693 for (DrawableRecipientChip chip : chips) { 1694 result.add(chip.getContactId()); 1695 } 1696 } 1697 return result; 1698 } 1699 1700 1701 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1702 /* package */ Collection<Long> getDataIds() { 1703 final Set<Long> result = new HashSet<Long>(); 1704 DrawableRecipientChip [] chips = getSortedRecipients(); 1705 if (chips != null) { 1706 for (DrawableRecipientChip chip : chips) { 1707 result.add(chip.getDataId()); 1708 } 1709 } 1710 return result; 1711 } 1712 1713 // Visible for testing. 1714 /* package */DrawableRecipientChip[] getSortedRecipients() { 1715 DrawableRecipientChip[] recips = getSpannable() 1716 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1717 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1718 Arrays.asList(recips)); 1719 final Spannable spannable = getSpannable(); 1720 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1721 1722 @Override 1723 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1724 int firstStart = spannable.getSpanStart(first); 1725 int secondStart = spannable.getSpanStart(second); 1726 if (firstStart < secondStart) { 1727 return -1; 1728 } else if (firstStart > secondStart) { 1729 return 1; 1730 } else { 1731 return 0; 1732 } 1733 } 1734 }); 1735 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1736 } 1737 1738 @Override 1739 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1740 return false; 1741 } 1742 1743 @Override 1744 public void onDestroyActionMode(ActionMode mode) { 1745 } 1746 1747 @Override 1748 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1749 return false; 1750 } 1751 1752 /** 1753 * No chips are selectable. 1754 */ 1755 @Override 1756 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1757 return false; 1758 } 1759 1760 // Visible for testing. 1761 /* package */ImageSpan getMoreChip() { 1762 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1763 MoreImageSpan.class); 1764 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1765 } 1766 1767 private MoreImageSpan createMoreSpan(int count) { 1768 String moreText = String.format(mMoreItem.getText().toString(), count); 1769 TextPaint morePaint = new TextPaint(getPaint()); 1770 morePaint.setTextSize(mMoreItem.getTextSize()); 1771 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1772 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1773 + mMoreItem.getPaddingRight(); 1774 int height = getLineHeight(); 1775 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1776 Canvas canvas = new Canvas(drawable); 1777 int adjustedHeight = height; 1778 Layout layout = getLayout(); 1779 if (layout != null) { 1780 adjustedHeight -= layout.getLineDescent(0); 1781 } 1782 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1783 1784 Drawable result = new BitmapDrawable(getResources(), drawable); 1785 result.setBounds(0, 0, width, height); 1786 return new MoreImageSpan(result); 1787 } 1788 1789 // Visible for testing. 1790 /*package*/ void createMoreChipPlainText() { 1791 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1792 Editable text = getText(); 1793 int start = 0; 1794 int end = start; 1795 for (int i = 0; i < CHIP_LIMIT; i++) { 1796 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1797 start = end; // move to the next token and get its end. 1798 } 1799 // Now, count total addresses. 1800 start = 0; 1801 int tokenCount = countTokens(text); 1802 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1803 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1804 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1805 text.replace(end, text.length(), chipText); 1806 mMoreChip = moreSpan; 1807 } 1808 1809 // Visible for testing. 1810 /* package */int countTokens(Editable text) { 1811 int tokenCount = 0; 1812 int start = 0; 1813 while (start < text.length()) { 1814 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1815 tokenCount++; 1816 if (start >= text.length()) { 1817 break; 1818 } 1819 } 1820 return tokenCount; 1821 } 1822 1823 /** 1824 * Create the more chip. The more chip is text that replaces any chips that 1825 * do not fit in the pre-defined available space when the 1826 * RecipientEditTextView loses focus. 1827 */ 1828 // Visible for testing. 1829 /* package */ void createMoreChip() { 1830 if (mNoChips) { 1831 createMoreChipPlainText(); 1832 return; 1833 } 1834 1835 if (!mShouldShrink) { 1836 return; 1837 } 1838 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1839 if (tempMore.length > 0) { 1840 getSpannable().removeSpan(tempMore[0]); 1841 } 1842 DrawableRecipientChip[] recipients = getSortedRecipients(); 1843 1844 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1845 mMoreChip = null; 1846 return; 1847 } 1848 Spannable spannable = getSpannable(); 1849 int numRecipients = recipients.length; 1850 int overage = numRecipients - CHIP_LIMIT; 1851 MoreImageSpan moreSpan = createMoreSpan(overage); 1852 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1853 int totalReplaceStart = 0; 1854 int totalReplaceEnd = 0; 1855 Editable text = getText(); 1856 for (int i = numRecipients - overage; i < recipients.length; i++) { 1857 mRemovedSpans.add(recipients[i]); 1858 if (i == numRecipients - overage) { 1859 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1860 } 1861 if (i == recipients.length - 1) { 1862 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1863 } 1864 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1865 int spanStart = spannable.getSpanStart(recipients[i]); 1866 int spanEnd = spannable.getSpanEnd(recipients[i]); 1867 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1868 } 1869 spannable.removeSpan(recipients[i]); 1870 } 1871 if (totalReplaceEnd < text.length()) { 1872 totalReplaceEnd = text.length(); 1873 } 1874 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1875 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1876 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1877 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1878 text.replace(start, end, chipText); 1879 mMoreChip = moreSpan; 1880 // If adding the +more chip goes over the limit, resize accordingly. 1881 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1882 setMaxLines(getLineCount()); 1883 } 1884 } 1885 1886 /** 1887 * Replace the more chip, if it exists, with all of the recipient chips it had 1888 * replaced when the RecipientEditTextView gains focus. 1889 */ 1890 // Visible for testing. 1891 /*package*/ void removeMoreChip() { 1892 if (mMoreChip != null) { 1893 Spannable span = getSpannable(); 1894 span.removeSpan(mMoreChip); 1895 mMoreChip = null; 1896 // Re-add the spans that were removed. 1897 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1898 // Recreate each removed span. 1899 DrawableRecipientChip[] recipients = getSortedRecipients(); 1900 // Start the search for tokens after the last currently visible 1901 // chip. 1902 if (recipients == null || recipients.length == 0) { 1903 return; 1904 } 1905 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1906 Editable editable = getText(); 1907 for (DrawableRecipientChip chip : mRemovedSpans) { 1908 int chipStart; 1909 int chipEnd; 1910 String token; 1911 // Need to find the location of the chip, again. 1912 token = (String) chip.getOriginalText(); 1913 // As we find the matching recipient for the remove spans, 1914 // reduce the size of the string we need to search. 1915 // That way, if there are duplicates, we always find the correct 1916 // recipient. 1917 chipStart = editable.toString().indexOf(token, end); 1918 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1919 // Only set the span if we found a matching token. 1920 if (chipStart != -1) { 1921 editable.setSpan(chip, chipStart, chipEnd, 1922 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1923 } 1924 } 1925 mRemovedSpans.clear(); 1926 } 1927 } 1928 } 1929 1930 /** 1931 * Show specified chip as selected. If the RecipientChip is just an email address, 1932 * selecting the chip will take the contents of the chip and place it at 1933 * the end of the RecipientEditTextView for inline editing. If the 1934 * RecipientChip is a complete contact, then selecting the chip 1935 * will change the background color of the chip, show the delete icon, 1936 * and a popup window with the address in use highlighted and any other 1937 * alternate addresses for the contact. 1938 * @param currentChip Chip to select. 1939 * @return A RecipientChip in the selected state or null if the chip 1940 * just contained an email address. 1941 */ 1942 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 1943 if (shouldShowEditableText(currentChip)) { 1944 CharSequence text = currentChip.getValue(); 1945 Editable editable = getText(); 1946 Spannable spannable = getSpannable(); 1947 int spanStart = spannable.getSpanStart(currentChip); 1948 int spanEnd = spannable.getSpanEnd(currentChip); 1949 spannable.removeSpan(currentChip); 1950 editable.delete(spanStart, spanEnd); 1951 setCursorVisible(true); 1952 setSelection(editable.length()); 1953 editable.append(text); 1954 return constructChipSpan( 1955 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1956 true, false); 1957 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1958 int start = getChipStart(currentChip); 1959 int end = getChipEnd(currentChip); 1960 getSpannable().removeSpan(currentChip); 1961 DrawableRecipientChip newChip; 1962 try { 1963 if (mNoChips) { 1964 return null; 1965 } 1966 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1967 } catch (NullPointerException e) { 1968 Log.e(TAG, e.getMessage(), e); 1969 return null; 1970 } 1971 Editable editable = getText(); 1972 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1973 if (start == -1 || end == -1) { 1974 Log.d(TAG, "The chip being selected no longer exists but should."); 1975 } else { 1976 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1977 } 1978 newChip.setSelected(true); 1979 if (shouldShowEditableText(newChip)) { 1980 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1981 } 1982 showAddress(newChip, mAddressPopup, getWidth()); 1983 setCursorVisible(false); 1984 return newChip; 1985 } else { 1986 int start = getChipStart(currentChip); 1987 int end = getChipEnd(currentChip); 1988 getSpannable().removeSpan(currentChip); 1989 DrawableRecipientChip newChip; 1990 try { 1991 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1992 } catch (NullPointerException e) { 1993 Log.e(TAG, e.getMessage(), e); 1994 return null; 1995 } 1996 Editable editable = getText(); 1997 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1998 if (start == -1 || end == -1) { 1999 Log.d(TAG, "The chip being selected no longer exists but should."); 2000 } else { 2001 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2002 } 2003 newChip.setSelected(true); 2004 if (shouldShowEditableText(newChip)) { 2005 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2006 } 2007 showAlternates(newChip, mAlternatesPopup, getWidth()); 2008 setCursorVisible(false); 2009 return newChip; 2010 } 2011 } 2012 2013 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2014 long contactId = currentChip.getContactId(); 2015 return contactId == RecipientEntry.INVALID_CONTACT 2016 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2017 } 2018 2019 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2020 int width) { 2021 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2022 int bottom = calculateOffsetFromBottom(line); 2023 // Align the alternates popup with the left side of the View, 2024 // regardless of the position of the chip tapped. 2025 popup.setWidth(width); 2026 popup.setAnchorView(this); 2027 popup.setVerticalOffset(bottom); 2028 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2029 popup.setOnItemClickListener(new OnItemClickListener() { 2030 @Override 2031 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2032 unselectChip(currentChip); 2033 popup.dismiss(); 2034 } 2035 }); 2036 popup.show(); 2037 ListView listView = popup.getListView(); 2038 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2039 listView.setItemChecked(0, true); 2040 } 2041 2042 /** 2043 * Remove selection from this chip. Unselecting a RecipientChip will render 2044 * the chip without a delete icon and with an unfocused background. This is 2045 * called when the RecipientChip no longer has focus. 2046 */ 2047 private void unselectChip(DrawableRecipientChip chip) { 2048 int start = getChipStart(chip); 2049 int end = getChipEnd(chip); 2050 Editable editable = getText(); 2051 mSelectedChip = null; 2052 if (start == -1 || end == -1) { 2053 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2054 setSelection(editable.length()); 2055 commitDefault(); 2056 } else { 2057 getSpannable().removeSpan(chip); 2058 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2059 editable.removeSpan(chip); 2060 try { 2061 if (!mNoChips) { 2062 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2063 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2064 } 2065 } catch (NullPointerException e) { 2066 Log.e(TAG, e.getMessage(), e); 2067 } 2068 } 2069 setCursorVisible(true); 2070 setSelection(editable.length()); 2071 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2072 mAlternatesPopup.dismiss(); 2073 } 2074 } 2075 2076 /** 2077 * Return whether a touch event was inside the delete target of 2078 * a selected chip. It is in the delete target if: 2079 * 1) the x and y points of the event are within the 2080 * delete assset. 2081 * 2) the point tapped would have caused a cursor to appear 2082 * right after the selected chip. 2083 * @return boolean 2084 */ 2085 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2086 // Figure out the bounds of this chip and whether or not 2087 // the user clicked in the X portion. 2088 // TODO: Should x and y be used, or removed? 2089 return chip.isSelected() && offset == getChipEnd(chip); 2090 } 2091 2092 /** 2093 * Remove the chip and any text associated with it from the RecipientEditTextView. 2094 */ 2095 // Visible for testing. 2096 /*pacakge*/ void removeChip(DrawableRecipientChip chip) { 2097 Spannable spannable = getSpannable(); 2098 int spanStart = spannable.getSpanStart(chip); 2099 int spanEnd = spannable.getSpanEnd(chip); 2100 Editable text = getText(); 2101 int toDelete = spanEnd; 2102 boolean wasSelected = chip == mSelectedChip; 2103 // Clear that there is a selected chip before updating any text. 2104 if (wasSelected) { 2105 mSelectedChip = null; 2106 } 2107 // Always remove trailing spaces when removing a chip. 2108 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2109 toDelete++; 2110 } 2111 spannable.removeSpan(chip); 2112 if (spanStart >= 0 && toDelete > 0) { 2113 text.delete(spanStart, toDelete); 2114 } 2115 if (wasSelected) { 2116 clearSelectedChip(); 2117 } 2118 } 2119 2120 /** 2121 * Replace this currently selected chip with a new chip 2122 * that uses the contact data provided. 2123 */ 2124 // Visible for testing. 2125 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2126 boolean wasSelected = chip == mSelectedChip; 2127 if (wasSelected) { 2128 mSelectedChip = null; 2129 } 2130 int start = getChipStart(chip); 2131 int end = getChipEnd(chip); 2132 getSpannable().removeSpan(chip); 2133 Editable editable = getText(); 2134 CharSequence chipText = createChip(entry, false); 2135 if (chipText != null) { 2136 if (start == -1 || end == -1) { 2137 Log.e(TAG, "The chip to replace does not exist but should."); 2138 editable.insert(0, chipText); 2139 } else { 2140 if (!TextUtils.isEmpty(chipText)) { 2141 // There may be a space to replace with this chip's new 2142 // associated space. Check for it 2143 int toReplace = end; 2144 while (toReplace >= 0 && toReplace < editable.length() 2145 && editable.charAt(toReplace) == ' ') { 2146 toReplace++; 2147 } 2148 editable.replace(start, toReplace, chipText); 2149 } 2150 } 2151 } 2152 setCursorVisible(true); 2153 if (wasSelected) { 2154 clearSelectedChip(); 2155 } 2156 } 2157 2158 /** 2159 * Handle click events for a chip. When a selected chip receives a click 2160 * event, see if that event was in the delete icon. If so, delete it. 2161 * Otherwise, unselect the chip. 2162 */ 2163 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2164 if (chip.isSelected()) { 2165 if (isInDelete(chip, offset, x, y)) { 2166 removeChip(chip); 2167 } else { 2168 clearSelectedChip(); 2169 } 2170 } 2171 } 2172 2173 private boolean chipsPending() { 2174 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2175 } 2176 2177 @Override 2178 public void removeTextChangedListener(TextWatcher watcher) { 2179 mTextWatcher = null; 2180 super.removeTextChangedListener(watcher); 2181 } 2182 2183 private class RecipientTextWatcher implements TextWatcher { 2184 2185 @Override 2186 public void afterTextChanged(Editable s) { 2187 // If the text has been set to null or empty, make sure we remove 2188 // all the spans we applied. 2189 if (TextUtils.isEmpty(s)) { 2190 // Remove all the chips spans. 2191 Spannable spannable = getSpannable(); 2192 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2193 DrawableRecipientChip.class); 2194 for (DrawableRecipientChip chip : chips) { 2195 spannable.removeSpan(chip); 2196 } 2197 if (mMoreChip != null) { 2198 spannable.removeSpan(mMoreChip); 2199 } 2200 return; 2201 } 2202 // Get whether there are any recipients pending addition to the 2203 // view. If there are, don't do anything in the text watcher. 2204 if (chipsPending()) { 2205 return; 2206 } 2207 // If the user is editing a chip, don't clear it. 2208 if (mSelectedChip != null) { 2209 if (!isGeneratedContact(mSelectedChip)) { 2210 setCursorVisible(true); 2211 setSelection(getText().length()); 2212 clearSelectedChip(); 2213 } else { 2214 return; 2215 } 2216 } 2217 int length = s.length(); 2218 // Make sure there is content there to parse and that it is 2219 // not just the commit character. 2220 if (length > 1) { 2221 if (lastCharacterIsCommitCharacter(s)) { 2222 commitByCharacter(); 2223 return; 2224 } 2225 char last; 2226 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2227 int len = length() - 1; 2228 if (end != len) { 2229 last = s.charAt(end); 2230 } else { 2231 last = s.charAt(len); 2232 } 2233 if (last == COMMIT_CHAR_SPACE) { 2234 if (!isPhoneQuery()) { 2235 // Check if this is a valid email address. If it is, 2236 // commit it. 2237 String text = getText().toString(); 2238 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2239 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2240 tokenStart)); 2241 if (!TextUtils.isEmpty(sub) && mValidator != null && 2242 mValidator.isValid(sub)) { 2243 commitByCharacter(); 2244 } 2245 } 2246 } 2247 } 2248 } 2249 2250 @Override 2251 public void onTextChanged(CharSequence s, int start, int before, int count) { 2252 // The user deleted some text OR some text was replaced; check to 2253 // see if the insertion point is on a space 2254 // following a chip. 2255 if (before - count == 1) { 2256 // If the item deleted is a space, and the thing before the 2257 // space is a chip, delete the entire span. 2258 int selStart = getSelectionStart(); 2259 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2260 DrawableRecipientChip.class); 2261 if (repl.length > 0) { 2262 // There is a chip there! Just remove it. 2263 Editable editable = getText(); 2264 // Add the separator token. 2265 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2266 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2267 tokenEnd = tokenEnd + 1; 2268 if (tokenEnd > editable.length()) { 2269 tokenEnd = editable.length(); 2270 } 2271 editable.delete(tokenStart, tokenEnd); 2272 getSpannable().removeSpan(repl[0]); 2273 } 2274 } else if (count > before) { 2275 if (mSelectedChip != null 2276 && isGeneratedContact(mSelectedChip)) { 2277 if (lastCharacterIsCommitCharacter(s)) { 2278 commitByCharacter(); 2279 return; 2280 } 2281 } 2282 } 2283 } 2284 2285 @Override 2286 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2287 // Do nothing. 2288 } 2289 } 2290 2291 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2292 char last; 2293 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2294 int len = length() - 1; 2295 if (end != len) { 2296 last = s.charAt(end); 2297 } else { 2298 last = s.charAt(len); 2299 } 2300 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2301 } 2302 2303 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2304 long contactId = chip.getContactId(); 2305 return contactId == RecipientEntry.INVALID_CONTACT 2306 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2307 } 2308 2309 /** 2310 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2311 */ 2312 private void handlePasteClip(ClipData clip) { 2313 removeTextChangedListener(mTextWatcher); 2314 2315 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2316 for (int i = 0; i < clip.getItemCount(); i++) { 2317 CharSequence paste = clip.getItemAt(i).getText(); 2318 if (paste != null) { 2319 int start = getSelectionStart(); 2320 int end = getSelectionEnd(); 2321 Editable editable = getText(); 2322 if (start >= 0 && end >= 0 && start != end) { 2323 editable.append(paste, start, end); 2324 } else { 2325 editable.insert(end, paste); 2326 } 2327 handlePasteAndReplace(); 2328 } 2329 } 2330 } 2331 2332 mHandler.post(mAddTextWatcher); 2333 } 2334 2335 @Override 2336 public boolean onTextContextMenuItem(int id) { 2337 if (id == android.R.id.paste) { 2338 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2339 Context.CLIPBOARD_SERVICE); 2340 handlePasteClip(clipboard.getPrimaryClip()); 2341 return true; 2342 } 2343 return super.onTextContextMenuItem(id); 2344 } 2345 2346 private void handlePasteAndReplace() { 2347 ArrayList<DrawableRecipientChip> created = handlePaste(); 2348 if (created != null && created.size() > 0) { 2349 // Perform reverse lookups on the pasted contacts. 2350 IndividualReplacementTask replace = new IndividualReplacementTask(); 2351 replace.execute(created); 2352 } 2353 } 2354 2355 // Visible for testing. 2356 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2357 String text = getText().toString(); 2358 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2359 String lastAddress = text.substring(originalTokenStart); 2360 int tokenStart = originalTokenStart; 2361 int prevTokenStart = 0; 2362 DrawableRecipientChip findChip = null; 2363 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2364 if (tokenStart != 0) { 2365 // There are things before this! 2366 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2367 prevTokenStart = tokenStart; 2368 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2369 findChip = findChip(tokenStart); 2370 if (tokenStart == originalTokenStart && findChip == null) { 2371 break; 2372 } 2373 } 2374 if (tokenStart != originalTokenStart) { 2375 if (findChip != null) { 2376 tokenStart = prevTokenStart; 2377 } 2378 int tokenEnd; 2379 DrawableRecipientChip createdChip; 2380 while (tokenStart < originalTokenStart) { 2381 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2382 tokenStart)); 2383 commitChip(tokenStart, tokenEnd, getText()); 2384 createdChip = findChip(tokenStart); 2385 if (createdChip == null) { 2386 break; 2387 } 2388 // +1 for the space at the end. 2389 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2390 created.add(createdChip); 2391 } 2392 } 2393 } 2394 // Take a look at the last token. If the token has been completed with a 2395 // commit character, create a chip. 2396 if (isCompletedToken(lastAddress)) { 2397 Editable editable = getText(); 2398 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2399 commitChip(tokenStart, editable.length(), editable); 2400 created.add(findChip(tokenStart)); 2401 } 2402 return created; 2403 } 2404 2405 // Visible for testing. 2406 /* package */int movePastTerminators(int tokenEnd) { 2407 if (tokenEnd >= length()) { 2408 return tokenEnd; 2409 } 2410 char atEnd = getText().toString().charAt(tokenEnd); 2411 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2412 tokenEnd++; 2413 } 2414 // This token had not only an end token character, but also a space 2415 // separating it from the next token. 2416 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2417 tokenEnd++; 2418 } 2419 return tokenEnd; 2420 } 2421 2422 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2423 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2424 try { 2425 if (mNoChips) { 2426 return null; 2427 } 2428 return constructChipSpan(entry, false, 2429 false /*leave space for contact icon */); 2430 } catch (NullPointerException e) { 2431 Log.e(TAG, e.getMessage(), e); 2432 return null; 2433 } 2434 } 2435 2436 @Override 2437 protected void onPreExecute() { 2438 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2439 // replaced 2440 final List<DrawableRecipientChip> originalRecipients = 2441 new ArrayList<DrawableRecipientChip>(); 2442 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2443 for (int i = 0; i < existingChips.length; i++) { 2444 originalRecipients.add(existingChips[i]); 2445 } 2446 if (mRemovedSpans != null) { 2447 originalRecipients.addAll(mRemovedSpans); 2448 } 2449 2450 final List<DrawableRecipientChip> replacements = 2451 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2452 2453 for (final DrawableRecipientChip chip : originalRecipients) { 2454 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2455 && getSpannable().getSpanStart(chip) != -1) { 2456 replacements.add(createFreeChip(chip.getEntry())); 2457 } else { 2458 replacements.add(null); 2459 } 2460 } 2461 2462 processReplacements(originalRecipients, replacements); 2463 } 2464 2465 @Override 2466 protected Void doInBackground(Void... params) { 2467 if (mIndividualReplacements != null) { 2468 mIndividualReplacements.cancel(true); 2469 } 2470 // For each chip in the list, look up the matching contact. 2471 // If there is a match, replace that chip with the matching 2472 // chip. 2473 final ArrayList<DrawableRecipientChip> recipients = 2474 new ArrayList<DrawableRecipientChip>(); 2475 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2476 for (int i = 0; i < existingChips.length; i++) { 2477 recipients.add(existingChips[i]); 2478 } 2479 if (mRemovedSpans != null) { 2480 recipients.addAll(mRemovedSpans); 2481 } 2482 ArrayList<String> addresses = new ArrayList<String>(); 2483 DrawableRecipientChip chip; 2484 for (int i = 0; i < recipients.size(); i++) { 2485 chip = recipients.get(i); 2486 if (chip != null) { 2487 addresses.add(createAddressText(chip.getEntry())); 2488 } 2489 } 2490 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2491 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2492 new RecipientMatchCallback() { 2493 2494 @Override 2495 public void matchesFound(Map<String, RecipientEntry> entries) { 2496 final ArrayList<DrawableRecipientChip> replacements = 2497 new ArrayList<DrawableRecipientChip>(); 2498 for (final DrawableRecipientChip temp : recipients) { 2499 RecipientEntry entry = null; 2500 if (temp != null && RecipientEntry.isCreatedRecipient( 2501 temp.getEntry().getContactId()) 2502 && getSpannable().getSpanStart(temp) != -1) { 2503 // Replace this. 2504 entry = createValidatedEntry( 2505 entries.get(tokenizeAddress(temp.getEntry() 2506 .getDestination()))); 2507 } 2508 if (entry != null) { 2509 replacements.add(createFreeChip(entry)); 2510 } else { 2511 replacements.add(null); 2512 } 2513 } 2514 processReplacements(recipients, replacements); 2515 } 2516 2517 @Override 2518 public void matchesNotFound(final Set<String> unfoundAddresses) { 2519 final List<DrawableRecipientChip> replacements = 2520 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2521 2522 for (final DrawableRecipientChip temp : recipients) { 2523 if (temp != null && RecipientEntry.isCreatedRecipient( 2524 temp.getEntry().getContactId()) 2525 && getSpannable().getSpanStart(temp) != -1) { 2526 if (unfoundAddresses.contains( 2527 temp.getEntry().getDestination())) { 2528 replacements.add(createFreeChip(temp.getEntry())); 2529 } else { 2530 replacements.add(null); 2531 } 2532 } else { 2533 replacements.add(null); 2534 } 2535 } 2536 2537 processReplacements(recipients, replacements); 2538 } 2539 }); 2540 return null; 2541 } 2542 2543 private void processReplacements(final List<DrawableRecipientChip> recipients, 2544 final List<DrawableRecipientChip> replacements) { 2545 if (replacements != null && replacements.size() > 0) { 2546 final Runnable runnable = new Runnable() { 2547 @Override 2548 public void run() { 2549 final Editable text = new SpannableStringBuilder(getText()); 2550 int i = 0; 2551 for (final DrawableRecipientChip chip : recipients) { 2552 final DrawableRecipientChip replacement = replacements.get(i); 2553 if (replacement != null) { 2554 final RecipientEntry oldEntry = chip.getEntry(); 2555 final RecipientEntry newEntry = replacement.getEntry(); 2556 final boolean isBetter = 2557 RecipientAlternatesAdapter.getBetterRecipient( 2558 oldEntry, newEntry) == newEntry; 2559 2560 if (isBetter) { 2561 // Find the location of the chip in the text currently shown. 2562 final int start = text.getSpanStart(chip); 2563 if (start != -1) { 2564 // Replacing the entirety of what the chip represented, 2565 // including the extra space dividing it from other chips. 2566 final int end = text.getSpanEnd(chip) + 1; 2567 text.removeSpan(chip); 2568 // Make sure we always have just 1 space at the end to 2569 // separate this chip from the next chip. 2570 final SpannableString displayText = 2571 new SpannableString(createAddressText( 2572 replacement.getEntry()).trim() + " "); 2573 displayText.setSpan(replacement, 0, 2574 displayText.length() - 1, 2575 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2576 // Replace the old text we found with with the new display 2577 // text, which now may also contain the display name of the 2578 // recipient. 2579 text.replace(start, end, displayText); 2580 replacement.setOriginalText(displayText.toString()); 2581 replacements.set(i, null); 2582 2583 recipients.set(i, replacement); 2584 } 2585 } 2586 } 2587 i++; 2588 } 2589 setText(text); 2590 } 2591 }; 2592 2593 if (Looper.myLooper() == Looper.getMainLooper()) { 2594 runnable.run(); 2595 } else { 2596 mHandler.post(runnable); 2597 } 2598 } 2599 } 2600 } 2601 2602 private class IndividualReplacementTask 2603 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2604 @Override 2605 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2606 // For each chip in the list, look up the matching contact. 2607 // If there is a match, replace that chip with the matching 2608 // chip. 2609 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2610 ArrayList<String> addresses = new ArrayList<String>(); 2611 DrawableRecipientChip chip; 2612 for (int i = 0; i < originalRecipients.size(); i++) { 2613 chip = originalRecipients.get(i); 2614 if (chip != null) { 2615 addresses.add(createAddressText(chip.getEntry())); 2616 } 2617 } 2618 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2619 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2620 new RecipientMatchCallback() { 2621 2622 @Override 2623 public void matchesFound(Map<String, RecipientEntry> entries) { 2624 for (final DrawableRecipientChip temp : originalRecipients) { 2625 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2626 .getContactId()) 2627 && getSpannable().getSpanStart(temp) != -1) { 2628 // Replace this. 2629 RecipientEntry entry = createValidatedEntry(entries 2630 .get(tokenizeAddress(temp.getEntry().getDestination()) 2631 .toLowerCase())); 2632 // If we don't have a validated contact 2633 // match, just use the 2634 // entry as it existed before. 2635 if (entry == null && !isPhoneQuery()) { 2636 entry = temp.getEntry(); 2637 } 2638 final RecipientEntry tempEntry = entry; 2639 if (tempEntry != null) { 2640 mHandler.post(new Runnable() { 2641 @Override 2642 public void run() { 2643 replaceChip(temp, tempEntry); 2644 } 2645 }); 2646 } 2647 } 2648 } 2649 } 2650 2651 @Override 2652 public void matchesNotFound(final Set<String> unfoundAddresses) { 2653 // No action required 2654 } 2655 }); 2656 return null; 2657 } 2658 } 2659 2660 2661 /** 2662 * MoreImageSpan is a simple class created for tracking the existence of a 2663 * more chip across activity restarts/ 2664 */ 2665 private class MoreImageSpan extends ImageSpan { 2666 public MoreImageSpan(Drawable b) { 2667 super(b); 2668 } 2669 } 2670 2671 @Override 2672 public boolean onDown(MotionEvent e) { 2673 return false; 2674 } 2675 2676 @Override 2677 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2678 // Do nothing. 2679 return false; 2680 } 2681 2682 @Override 2683 public void onLongPress(MotionEvent event) { 2684 if (mSelectedChip != null) { 2685 return; 2686 } 2687 float x = event.getX(); 2688 float y = event.getY(); 2689 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2690 DrawableRecipientChip currentChip = findChip(offset); 2691 if (currentChip != null) { 2692 if (mDragEnabled) { 2693 // Start drag-and-drop for the selected chip. 2694 startDrag(currentChip); 2695 } else { 2696 // Copy the selected chip email address. 2697 showCopyDialog(currentChip.getEntry().getDestination()); 2698 } 2699 } 2700 } 2701 2702 /** 2703 * Enables drag-and-drop for chips. 2704 */ 2705 public void enableDrag() { 2706 mDragEnabled = true; 2707 } 2708 2709 /** 2710 * Starts drag-and-drop for the selected chip. 2711 */ 2712 private void startDrag(DrawableRecipientChip currentChip) { 2713 String address = currentChip.getEntry().getDestination(); 2714 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2715 2716 // Start drag mode. 2717 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2718 2719 // Remove the current chip, so drag-and-drop will result in a move. 2720 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2721 removeChip(currentChip); 2722 } 2723 2724 /** 2725 * Handles drag event. 2726 */ 2727 @Override 2728 public boolean onDragEvent(DragEvent event) { 2729 switch (event.getAction()) { 2730 case DragEvent.ACTION_DRAG_STARTED: 2731 // Only handle plain text drag and drop. 2732 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2733 case DragEvent.ACTION_DRAG_ENTERED: 2734 requestFocus(); 2735 return true; 2736 case DragEvent.ACTION_DROP: 2737 handlePasteClip(event.getClipData()); 2738 return true; 2739 } 2740 return false; 2741 } 2742 2743 /** 2744 * Drag shadow for a {@link RecipientChip}. 2745 */ 2746 private final class RecipientChipShadow extends DragShadowBuilder { 2747 private final DrawableRecipientChip mChip; 2748 2749 public RecipientChipShadow(DrawableRecipientChip chip) { 2750 mChip = chip; 2751 } 2752 2753 @Override 2754 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2755 Rect rect = mChip.getBounds(); 2756 shadowSize.set(rect.width(), rect.height()); 2757 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2758 } 2759 2760 @Override 2761 public void onDrawShadow(Canvas canvas) { 2762 mChip.draw(canvas); 2763 } 2764 } 2765 2766 private void showCopyDialog(final String address) { 2767 mCopyAddress = address; 2768 mCopyDialog.setTitle(address); 2769 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2770 mCopyDialog.setCancelable(true); 2771 mCopyDialog.setCanceledOnTouchOutside(true); 2772 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2773 button.setOnClickListener(this); 2774 int btnTitleId; 2775 if (isPhoneQuery()) { 2776 btnTitleId = R.string.copy_number; 2777 } else { 2778 btnTitleId = R.string.copy_email; 2779 } 2780 String buttonTitle = getContext().getResources().getString(btnTitleId); 2781 button.setText(buttonTitle); 2782 mCopyDialog.setOnDismissListener(this); 2783 mCopyDialog.show(); 2784 } 2785 2786 @Override 2787 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2788 // Do nothing. 2789 return false; 2790 } 2791 2792 @Override 2793 public void onShowPress(MotionEvent e) { 2794 // Do nothing. 2795 } 2796 2797 @Override 2798 public boolean onSingleTapUp(MotionEvent e) { 2799 // Do nothing. 2800 return false; 2801 } 2802 2803 @Override 2804 public void onDismiss(DialogInterface dialog) { 2805 mCopyAddress = null; 2806 } 2807 2808 @Override 2809 public void onClick(View v) { 2810 // Copy this to the clipboard. 2811 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2812 Context.CLIPBOARD_SERVICE); 2813 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2814 mCopyDialog.dismiss(); 2815 } 2816 2817 protected boolean isPhoneQuery() { 2818 return getAdapter() != null 2819 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2820 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2821 } 2822} 2823