RecipientEditTextView.java revision 821d2f8611ac304dffdc1af044d3170c80e09f0f
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.Spanned; 61import android.text.TextPaint; 62import android.text.TextUtils; 63import android.text.TextWatcher; 64import android.text.method.QwertyKeyListener; 65import android.text.style.ImageSpan; 66import android.text.util.Rfc822Token; 67import android.text.util.Rfc822Tokenizer; 68import android.util.AttributeSet; 69import android.util.Log; 70import android.util.TypedValue; 71import android.view.ActionMode; 72import android.view.ActionMode.Callback; 73import android.view.DragEvent; 74import android.view.GestureDetector; 75import android.view.KeyEvent; 76import android.view.LayoutInflater; 77import android.view.Menu; 78import android.view.MenuItem; 79import android.view.MotionEvent; 80import android.view.View; 81import android.view.View.OnClickListener; 82import android.view.ViewParent; 83import android.view.inputmethod.EditorInfo; 84import android.view.inputmethod.InputConnection; 85import android.widget.AdapterView; 86import android.widget.AdapterView.OnItemClickListener; 87import android.widget.Button; 88import android.widget.Filterable; 89import android.widget.ListAdapter; 90import android.widget.ListPopupWindow; 91import android.widget.ListView; 92import android.widget.MultiAutoCompleteTextView; 93import android.widget.ScrollView; 94import android.widget.TextView; 95 96import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 97import com.android.ex.chips.recipientchip.DrawableRecipientChip; 98import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 99import com.android.ex.chips.recipientchip.VisibleRecipientChip; 100 101/** 102 * RecipientEditTextView is an auto complete text view for use with applications 103 * that use the new Chips UI for addressing a message to recipients. 104 */ 105public class RecipientEditTextView extends MultiAutoCompleteTextView implements 106 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 107 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 108 TextView.OnEditorActionListener { 109 110 private static final char COMMIT_CHAR_COMMA = ','; 111 112 private static final char COMMIT_CHAR_SEMICOLON = ';'; 113 114 private static final char COMMIT_CHAR_SPACE = ' '; 115 116 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 117 + String.valueOf(COMMIT_CHAR_SPACE); 118 119 private static final String TAG = "RecipientEditTextView"; 120 121 private static int DISMISS = "dismiss".hashCode(); 122 123 private static final long DISMISS_DELAY = 300; 124 125 // TODO: get correct number/ algorithm from with UX. 126 // Visible for testing. 127 /*package*/ static final int CHIP_LIMIT = 2; 128 129 private static final int MAX_CHIPS_PARSED = 50; 130 131 private static int sSelectedTextColor = -1; 132 133 // Resources for displaying chips. 134 private Drawable mChipBackground = null; 135 136 private Drawable mChipDelete = null; 137 138 private Drawable mInvalidChipBackground; 139 140 private Drawable mChipBackgroundPressed; 141 142 private float mChipHeight; 143 144 private float mChipFontSize; 145 146 private float mLineSpacingExtra; 147 148 private int mChipPadding; 149 150 private Tokenizer mTokenizer; 151 152 private Validator mValidator; 153 154 private DrawableRecipientChip mSelectedChip; 155 156 private int mAlternatesLayout; 157 158 private Bitmap mDefaultContactPhoto; 159 160 private ImageSpan mMoreChip; 161 162 private TextView mMoreItem; 163 164 // VisibleForTesting 165 final ArrayList<String> mPendingChips = new ArrayList<String>(); 166 167 private Handler mHandler; 168 169 private int mPendingChipsCount = 0; 170 171 private boolean mNoChips = false; 172 173 private ListPopupWindow mAlternatesPopup; 174 175 private ListPopupWindow mAddressPopup; 176 177 // VisibleForTesting 178 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 179 180 private ArrayList<DrawableRecipientChip> mRemovedSpans; 181 182 private boolean mShouldShrink = true; 183 184 // Chip copy fields. 185 private GestureDetector mGestureDetector; 186 187 private Dialog mCopyDialog; 188 189 private String mCopyAddress; 190 191 /** 192 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 193 * selected chip. 194 */ 195 private OnItemClickListener mAlternatesListener; 196 197 private int mCheckedItem; 198 199 private TextWatcher mTextWatcher; 200 201 // Obtain the enclosing scroll view, if it exists, so that the view can be 202 // scrolled to show the last line of chips content. 203 private ScrollView mScrollView; 204 205 private boolean mTriedGettingScrollView; 206 207 private boolean mDragEnabled = false; 208 209 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 210 // parens, so numbers such as "1 (425) 222-2342" match. 211 private static final Pattern PHONE_PATTERN 212 = Pattern.compile( // sdd = space, dot, or dash 213 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 214 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 215 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 216 217 private final Runnable mAddTextWatcher = new Runnable() { 218 @Override 219 public void run() { 220 if (mTextWatcher == null) { 221 mTextWatcher = new RecipientTextWatcher(); 222 addTextChangedListener(mTextWatcher); 223 } 224 } 225 }; 226 227 private IndividualReplacementTask mIndividualReplacements; 228 229 private Runnable mHandlePendingChips = new Runnable() { 230 231 @Override 232 public void run() { 233 handlePendingChips(); 234 } 235 236 }; 237 238 private Runnable mDelayedShrink = new Runnable() { 239 240 @Override 241 public void run() { 242 shrink(); 243 } 244 245 }; 246 247 private int mMaxLines; 248 249 private static int sExcessTopPadding = -1; 250 251 private int mActionBarHeight; 252 253 public RecipientEditTextView(Context context, AttributeSet attrs) { 254 super(context, attrs); 255 setChipDimensions(context, attrs); 256 if (sSelectedTextColor == -1) { 257 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 258 } 259 mAlternatesPopup = new ListPopupWindow(context); 260 mAddressPopup = new ListPopupWindow(context); 261 mCopyDialog = new Dialog(context); 262 mAlternatesListener = new OnItemClickListener() { 263 @Override 264 public void onItemClick(AdapterView<?> adapterView,View view, int position, 265 long rowId) { 266 mAlternatesPopup.setOnItemClickListener(null); 267 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 268 .getRecipientEntry(position)); 269 Message delayed = Message.obtain(mHandler, DISMISS); 270 delayed.obj = mAlternatesPopup; 271 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 272 clearComposingText(); 273 } 274 }; 275 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 276 setOnItemClickListener(this); 277 setCustomSelectionActionModeCallback(this); 278 mHandler = new Handler() { 279 @Override 280 public void handleMessage(Message msg) { 281 if (msg.what == DISMISS) { 282 ((ListPopupWindow) msg.obj).dismiss(); 283 return; 284 } 285 super.handleMessage(msg); 286 } 287 }; 288 mTextWatcher = new RecipientTextWatcher(); 289 addTextChangedListener(mTextWatcher); 290 mGestureDetector = new GestureDetector(context, this); 291 setOnEditorActionListener(this); 292 } 293 294 @Override 295 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 296 if (action == EditorInfo.IME_ACTION_DONE) { 297 if (commitDefault()) { 298 return true; 299 } 300 if (mSelectedChip != null) { 301 clearSelectedChip(); 302 return true; 303 } else if (focusNext()) { 304 return true; 305 } 306 } 307 return false; 308 } 309 310 @Override 311 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 312 InputConnection connection = super.onCreateInputConnection(outAttrs); 313 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 314 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 315 // clear the existing action 316 outAttrs.imeOptions ^= imeActions; 317 // set the DONE action 318 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 319 } 320 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 321 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 322 } 323 324 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 325 outAttrs.actionLabel = getContext().getString(R.string.done); 326 return connection; 327 } 328 329 /*package*/ DrawableRecipientChip getLastChip() { 330 DrawableRecipientChip last = null; 331 DrawableRecipientChip[] chips = getSortedRecipients(); 332 if (chips != null && chips.length > 0) { 333 last = chips[chips.length - 1]; 334 } 335 return last; 336 } 337 338 @Override 339 public void onSelectionChanged(int start, int end) { 340 // When selection changes, see if it is inside the chips area. 341 // If so, move the cursor back after the chips again. 342 DrawableRecipientChip last = getLastChip(); 343 if (last != null && start < getSpannable().getSpanEnd(last)) { 344 // Grab the last chip and set the cursor to after it. 345 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 346 } 347 super.onSelectionChanged(start, end); 348 } 349 350 @Override 351 public void onRestoreInstanceState(Parcelable state) { 352 if (!TextUtils.isEmpty(getText())) { 353 super.onRestoreInstanceState(null); 354 } else { 355 super.onRestoreInstanceState(state); 356 } 357 } 358 359 @Override 360 public Parcelable onSaveInstanceState() { 361 // If the user changes orientation while they are editing, just roll back the selection. 362 clearSelectedChip(); 363 return super.onSaveInstanceState(); 364 } 365 366 /** 367 * Convenience method: Append the specified text slice to the TextView's 368 * display buffer, upgrading it to BufferType.EDITABLE if it was 369 * not already editable. Commas are excluded as they are added automatically 370 * by the view. 371 */ 372 @Override 373 public void append(CharSequence text, int start, int end) { 374 // We don't care about watching text changes while appending. 375 if (mTextWatcher != null) { 376 removeTextChangedListener(mTextWatcher); 377 } 378 super.append(text, start, end); 379 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 380 String displayString = text.toString(); 381 382 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 383 // We have no separator, so we should add it 384 super.append(SEPARATOR, 0, SEPARATOR.length()); 385 displayString += SEPARATOR; 386 } 387 388 if (!TextUtils.isEmpty(displayString) 389 && TextUtils.getTrimmedLength(displayString) > 0) { 390 mPendingChipsCount++; 391 mPendingChips.add(displayString); 392 } 393 } 394 // Put a message on the queue to make sure we ALWAYS handle pending 395 // chips. 396 if (mPendingChipsCount > 0) { 397 postHandlePendingChips(); 398 } 399 mHandler.post(mAddTextWatcher); 400 } 401 402 @Override 403 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 404 super.onFocusChanged(hasFocus, direction, previous); 405 if (!hasFocus) { 406 shrink(); 407 } else { 408 expand(); 409 } 410 } 411 412 private int getExcessTopPadding() { 413 if (sExcessTopPadding == -1) { 414 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 415 } 416 return sExcessTopPadding; 417 } 418 419 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 420 super.setAdapter(adapter); 421 ((BaseRecipientAdapter) adapter) 422 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 423 @Override 424 public void onChanged(List<RecipientEntry> entries) { 425 // Scroll the chips field to the top of the screen so 426 // that the user can see as many results as possible. 427 if (entries != null && entries.size() > 0) { 428 scrollBottomIntoView(); 429 } 430 } 431 }); 432 } 433 434 private void scrollBottomIntoView() { 435 if (mScrollView != null && mShouldShrink) { 436 int[] location = new int[2]; 437 getLocationOnScreen(location); 438 int height = getHeight(); 439 int currentPos = location[1] + height; 440 // Desired position shows at least 1 line of chips below the action 441 // bar. We add excess padding to make sure this is always below other 442 // content. 443 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 444 if (currentPos > desiredPos) { 445 mScrollView.scrollBy(0, currentPos - desiredPos); 446 } 447 } 448 } 449 450 @Override 451 public void performValidation() { 452 // Do nothing. Chips handles its own validation. 453 } 454 455 private void shrink() { 456 if (mTokenizer == null) { 457 return; 458 } 459 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 460 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 461 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 462 clearSelectedChip(); 463 } else { 464 if (getWidth() <= 0) { 465 // We don't have the width yet which means the view hasn't been drawn yet 466 // and there is no reason to attempt to commit chips yet. 467 // This focus lost must be the result of an orientation change 468 // or an initial rendering. 469 // Re-post the shrink for later. 470 mHandler.removeCallbacks(mDelayedShrink); 471 mHandler.post(mDelayedShrink); 472 return; 473 } 474 // Reset any pending chips as they would have been handled 475 // when the field lost focus. 476 if (mPendingChipsCount > 0) { 477 postHandlePendingChips(); 478 } else { 479 Editable editable = getText(); 480 int end = getSelectionEnd(); 481 int start = mTokenizer.findTokenStart(editable, end); 482 DrawableRecipientChip[] chips = 483 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 484 if ((chips == null || chips.length == 0)) { 485 Editable text = getText(); 486 int whatEnd = mTokenizer.findTokenEnd(text, start); 487 // This token was already tokenized, so skip past the ending token. 488 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 489 whatEnd = movePastTerminators(whatEnd); 490 } 491 // In the middle of chip; treat this as an edit 492 // and commit the whole token. 493 int selEnd = getSelectionEnd(); 494 if (whatEnd != selEnd) { 495 handleEdit(start, whatEnd); 496 } else { 497 commitChip(start, end, editable); 498 } 499 } 500 } 501 mHandler.post(mAddTextWatcher); 502 } 503 createMoreChip(); 504 } 505 506 private void expand() { 507 if (mShouldShrink) { 508 setMaxLines(Integer.MAX_VALUE); 509 } 510 removeMoreChip(); 511 setCursorVisible(true); 512 Editable text = getText(); 513 setSelection(text != null && text.length() > 0 ? text.length() : 0); 514 // If there are any temporary chips, try replacing them now that the user 515 // has expanded the field. 516 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 517 new RecipientReplacementTask().execute(); 518 mTemporaryRecipients = null; 519 } 520 } 521 522 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 523 paint.setTextSize(mChipFontSize); 524 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 525 Log.d(TAG, "Max width is negative: " + maxWidth); 526 } 527 return TextUtils.ellipsize(text, paint, maxWidth, 528 TextUtils.TruncateAt.END); 529 } 530 531 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 532 // Ellipsize the text so that it takes AT MOST the entire width of the 533 // autocomplete text entry area. Make sure to leave space for padding 534 // on the sides. 535 int height = (int) mChipHeight; 536 int deleteWidth = height; 537 float[] widths = new float[1]; 538 paint.getTextWidths(" ", widths); 539 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 540 calculateAvailableWidth() - deleteWidth - widths[0]); 541 542 // Make sure there is a minimum chip width so the user can ALWAYS 543 // tap a chip without difficulty. 544 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 545 ellipsizedText.length())) 546 + (mChipPadding * 2) + deleteWidth); 547 548 // Create the background of the chip. 549 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 550 Canvas canvas = new Canvas(tmpBitmap); 551 if (mChipBackgroundPressed != null) { 552 mChipBackgroundPressed.setBounds(0, 0, width, height); 553 mChipBackgroundPressed.draw(canvas); 554 paint.setColor(sSelectedTextColor); 555 // Vertically center the text in the chip. 556 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 557 getTextYOffset((String) ellipsizedText, paint, height), paint); 558 // Make the delete a square. 559 Rect backgroundPadding = new Rect(); 560 mChipBackgroundPressed.getPadding(backgroundPadding); 561 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 562 0 + backgroundPadding.top, 563 width - backgroundPadding.right, 564 height - backgroundPadding.bottom); 565 mChipDelete.draw(canvas); 566 } else { 567 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 568 } 569 return tmpBitmap; 570 } 571 572 573 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 574 boolean leaveBlankIconSpacer) { 575 // Ellipsize the text so that it takes AT MOST the entire width of the 576 // autocomplete text entry area. Make sure to leave space for padding 577 // on the sides. 578 int height = (int) mChipHeight; 579 int iconWidth = height; 580 float[] widths = new float[1]; 581 paint.getTextWidths(" ", widths); 582 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 583 calculateAvailableWidth() - iconWidth - widths[0]); 584 // Make sure there is a minimum chip width so the user can ALWAYS 585 // tap a chip without difficulty. 586 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 587 ellipsizedText.length())) 588 + (mChipPadding * 2) + iconWidth); 589 590 // Create the background of the chip. 591 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 592 Canvas canvas = new Canvas(tmpBitmap); 593 Drawable background = getChipBackground(contact); 594 if (background != null) { 595 background.setBounds(0, 0, width, height); 596 background.draw(canvas); 597 598 // Don't draw photos for recipients that have been typed in OR generated on the fly. 599 long contactId = contact.getContactId(); 600 boolean drawPhotos = isPhoneQuery() ? 601 contactId != RecipientEntry.INVALID_CONTACT 602 : (contactId != RecipientEntry.INVALID_CONTACT 603 && (contactId != RecipientEntry.GENERATED_CONTACT && 604 !TextUtils.isEmpty(contact.getDisplayName()))); 605 if (drawPhotos) { 606 byte[] photoBytes = contact.getPhotoBytes(); 607 // There may not be a photo yet if anything but the first contact address 608 // was selected. 609 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 610 // TODO: cache this in the recipient entry? 611 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 612 .getPhotoThumbnailUri()); 613 photoBytes = contact.getPhotoBytes(); 614 } 615 616 Bitmap photo; 617 if (photoBytes != null) { 618 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 619 } else { 620 // TODO: can the scaled down default photo be cached? 621 photo = mDefaultContactPhoto; 622 } 623 // Draw the photo on the left side. 624 if (photo != null) { 625 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 626 Rect backgroundPadding = new Rect(); 627 mChipBackground.getPadding(backgroundPadding); 628 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 629 0 + backgroundPadding.top, 630 width - backgroundPadding.right, 631 height - backgroundPadding.bottom); 632 Matrix matrix = new Matrix(); 633 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 634 canvas.drawBitmap(photo, matrix, paint); 635 } 636 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 637 iconWidth = 0; 638 } 639 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 640 // Vertically center the text in the chip. 641 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 642 getTextYOffset((String)ellipsizedText, paint, height), paint); 643 } else { 644 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 645 } 646 return tmpBitmap; 647 } 648 649 /** 650 * Get the background drawable for a RecipientChip. 651 */ 652 // Visible for testing. 653 /* package */Drawable getChipBackground(RecipientEntry contact) { 654 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 655 } 656 657 private static float getTextYOffset(String text, TextPaint paint, int height) { 658 Rect bounds = new Rect(); 659 paint.getTextBounds(text, 0, text.length(), bounds); 660 int textHeight = bounds.bottom - bounds.top ; 661 return height - ((height - textHeight) / 2) - (int)paint.descent(); 662 } 663 664 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 665 boolean leaveIconSpace) throws NullPointerException { 666 if (mChipBackground == null) { 667 throw new NullPointerException( 668 "Unable to render any chips as setChipDimensions was not called."); 669 } 670 671 TextPaint paint = getPaint(); 672 float defaultSize = paint.getTextSize(); 673 int defaultColor = paint.getColor(); 674 675 Bitmap tmpBitmap; 676 if (pressed) { 677 tmpBitmap = createSelectedChip(contact, paint); 678 679 } else { 680 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 681 } 682 683 // Pass the full text, un-ellipsized, to the chip. 684 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 685 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 686 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 687 // Return text to the original size. 688 paint.setTextSize(defaultSize); 689 paint.setColor(defaultColor); 690 return recipientChip; 691 } 692 693 /** 694 * Calculate the bottom of the line the chip will be located on using: 695 * 1) which line the chip appears on 696 * 2) the height of a chip 697 * 3) padding built into the edit text view 698 */ 699 private int calculateOffsetFromBottom(int line) { 700 // Line offsets start at zero. 701 int actualLine = getLineCount() - (line + 1); 702 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 703 + getDropDownVerticalOffset(); 704 } 705 706 /** 707 * Get the max amount of space a chip can take up. The formula takes into 708 * account the width of the EditTextView, any view padding, and padding 709 * that will be added to the chip. 710 */ 711 private float calculateAvailableWidth() { 712 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 713 } 714 715 716 private void setChipDimensions(Context context, AttributeSet attrs) { 717 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 718 0); 719 Resources r = getContext().getResources(); 720 721 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 722 if (mChipBackground == null) { 723 mChipBackground = r.getDrawable(R.drawable.chip_background); 724 } 725 mChipBackgroundPressed = a 726 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 727 if (mChipBackgroundPressed == null) { 728 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 729 } 730 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 731 if (mChipDelete == null) { 732 mChipDelete = r.getDrawable(R.drawable.chip_delete); 733 } 734 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 735 if (mChipPadding == -1) { 736 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 737 } 738 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 739 -1); 740 if (mAlternatesLayout == -1) { 741 mAlternatesLayout = R.layout.chips_alternate_item; 742 } 743 744 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 745 746 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 747 748 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 749 if (mChipHeight == -1) { 750 mChipHeight = r.getDimension(R.dimen.chip_height); 751 } 752 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 753 if (mChipFontSize == -1) { 754 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 755 } 756 mInvalidChipBackground = a 757 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 758 if (mInvalidChipBackground == null) { 759 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 760 } 761 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 762 mMaxLines = r.getInteger(R.integer.chips_max_lines); 763 TypedValue tv = new TypedValue(); 764 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 765 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 766 .getDisplayMetrics()); 767 } 768 a.recycle(); 769 } 770 771 // Visible for testing. 772 /* package */ void setMoreItem(TextView moreItem) { 773 mMoreItem = moreItem; 774 } 775 776 777 // Visible for testing. 778 /* package */ void setChipBackground(Drawable chipBackground) { 779 mChipBackground = chipBackground; 780 } 781 782 // Visible for testing. 783 /* package */ void setChipHeight(int height) { 784 mChipHeight = height; 785 } 786 787 /** 788 * Set whether to shrink the recipients field such that at most 789 * one line of recipients chips are shown when the field loses 790 * focus. By default, the number of displayed recipients will be 791 * limited and a "more" chip will be shown when focus is lost. 792 * @param shrink 793 */ 794 public void setOnFocusListShrinkRecipients(boolean shrink) { 795 mShouldShrink = shrink; 796 } 797 798 @Override 799 public void onSizeChanged(int width, int height, int oldw, int oldh) { 800 super.onSizeChanged(width, height, oldw, oldh); 801 if (width != 0 && height != 0) { 802 if (mPendingChipsCount > 0) { 803 postHandlePendingChips(); 804 } else { 805 checkChipWidths(); 806 } 807 } 808 // Try to find the scroll view parent, if it exists. 809 if (mScrollView == null && !mTriedGettingScrollView) { 810 ViewParent parent = getParent(); 811 while (parent != null && !(parent instanceof ScrollView)) { 812 parent = parent.getParent(); 813 } 814 if (parent != null) { 815 mScrollView = (ScrollView) parent; 816 } 817 mTriedGettingScrollView = true; 818 } 819 } 820 821 private void postHandlePendingChips() { 822 mHandler.removeCallbacks(mHandlePendingChips); 823 mHandler.post(mHandlePendingChips); 824 } 825 826 private void checkChipWidths() { 827 // Check the widths of the associated chips. 828 DrawableRecipientChip[] chips = getSortedRecipients(); 829 if (chips != null) { 830 Rect bounds; 831 for (DrawableRecipientChip chip : chips) { 832 bounds = chip.getBounds(); 833 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 834 // Need to redraw that chip. 835 replaceChip(chip, chip.getEntry()); 836 } 837 } 838 } 839 } 840 841 // Visible for testing. 842 /*package*/ void handlePendingChips() { 843 if (getViewWidth() <= 0) { 844 // The widget has not been sized yet. 845 // This will be called as a result of onSizeChanged 846 // at a later point. 847 return; 848 } 849 if (mPendingChipsCount <= 0) { 850 return; 851 } 852 853 synchronized (mPendingChips) { 854 Editable editable = getText(); 855 // Tokenize! 856 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 857 for (int i = 0; i < mPendingChips.size(); i++) { 858 String current = mPendingChips.get(i); 859 int tokenStart = editable.toString().indexOf(current); 860 // Always leave a space at the end between tokens. 861 int tokenEnd = tokenStart + current.length() - 1; 862 if (tokenStart >= 0) { 863 // When we have a valid token, include it with the token 864 // to the left. 865 if (tokenEnd < editable.length() - 2 866 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 867 tokenEnd++; 868 } 869 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 870 || !mShouldShrink); 871 } 872 mPendingChipsCount--; 873 } 874 sanitizeEnd(); 875 } else { 876 mNoChips = true; 877 } 878 879 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 880 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 881 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 882 new RecipientReplacementTask().execute(); 883 mTemporaryRecipients = null; 884 } else { 885 // Create the "more" chip 886 mIndividualReplacements = new IndividualReplacementTask(); 887 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 888 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 889 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 890 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 891 mTemporaryRecipients.subList(CHIP_LIMIT, 892 mTemporaryRecipients.size())); 893 } else { 894 mTemporaryRecipients = null; 895 } 896 createMoreChip(); 897 } 898 } else { 899 // There are too many recipients to look up, so just fall back 900 // to showing addresses for all of them. 901 mTemporaryRecipients = null; 902 createMoreChip(); 903 } 904 mPendingChipsCount = 0; 905 mPendingChips.clear(); 906 } 907 } 908 909 // Visible for testing. 910 /*package*/ int getViewWidth() { 911 return getWidth(); 912 } 913 914 /** 915 * Remove any characters after the last valid chip. 916 */ 917 // Visible for testing. 918 /*package*/ void sanitizeEnd() { 919 // Don't sanitize while we are waiting for pending chips to complete. 920 if (mPendingChipsCount > 0) { 921 return; 922 } 923 // Find the last chip; eliminate any commit characters after it. 924 DrawableRecipientChip[] chips = getSortedRecipients(); 925 Spannable spannable = getSpannable(); 926 if (chips != null && chips.length > 0) { 927 int end; 928 mMoreChip = getMoreChip(); 929 if (mMoreChip != null) { 930 end = spannable.getSpanEnd(mMoreChip); 931 } else { 932 end = getSpannable().getSpanEnd(getLastChip()); 933 } 934 Editable editable = getText(); 935 int length = editable.length(); 936 if (length > end) { 937 // See what characters occur after that and eliminate them. 938 if (Log.isLoggable(TAG, Log.DEBUG)) { 939 Log.d(TAG, "There were extra characters after the last tokenizable entry." 940 + editable); 941 } 942 editable.delete(end + 1, length); 943 } 944 } 945 } 946 947 /** 948 * Create a chip that represents just the email address of a recipient. At some later 949 * point, this chip will be attached to a real contact entry, if one exists. 950 */ 951 // VisibleForTesting 952 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 953 boolean visible) { 954 if (alreadyHasChip(tokenStart, tokenEnd)) { 955 // There is already a chip present at this location. 956 // Don't recreate it. 957 return; 958 } 959 String token = editable.toString().substring(tokenStart, tokenEnd); 960 final String trimmedToken = token.trim(); 961 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 962 if (commitCharIndex == trimmedToken.length() - 1) { 963 token = trimmedToken.substring(0, trimmedToken.length() - 1); 964 } 965 RecipientEntry entry = createTokenizedEntry(token); 966 if (entry != null) { 967 DrawableRecipientChip chip = null; 968 try { 969 if (!mNoChips) { 970 /* 971 * leave space for the contact icon if this is not just an 972 * email address 973 */ 974 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 975 || TextUtils.equals(entry.getDisplayName(), 976 entry.getDestination()); 977 chip = visible ? 978 constructChipSpan(entry, false, leaveSpace) 979 : new InvisibleRecipientChip(entry); 980 } 981 } catch (NullPointerException e) { 982 Log.e(TAG, e.getMessage(), e); 983 } 984 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 985 // Add this chip to the list of entries "to replace" 986 if (chip != null) { 987 if (mTemporaryRecipients == null) { 988 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 989 } 990 chip.setOriginalText(token); 991 mTemporaryRecipients.add(chip); 992 } 993 } 994 } 995 996 private static boolean isPhoneNumber(String number) { 997 // TODO: replace this function with libphonenumber's isPossibleNumber (see 998 // PhoneNumberUtil). One complication is that it requires the sender's region which 999 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1000 if (TextUtils.isEmpty(number)) { 1001 return false; 1002 } 1003 1004 Matcher match = PHONE_PATTERN.matcher(number); 1005 return match.matches(); 1006 } 1007 1008 private RecipientEntry createTokenizedEntry(String token) { 1009 if (TextUtils.isEmpty(token)) { 1010 return null; 1011 } 1012 if (isPhoneQuery() && isPhoneNumber(token)) { 1013 return RecipientEntry.constructFakeEntry(token, true); 1014 } 1015 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1016 String display = null; 1017 boolean isValid = isValid(token); 1018 if (isValid && tokens != null && tokens.length > 0) { 1019 // If we can get a name from tokenizing, then generate an entry from 1020 // this. 1021 display = tokens[0].getName(); 1022 if (!TextUtils.isEmpty(display)) { 1023 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1024 isValid); 1025 } else { 1026 display = tokens[0].getAddress(); 1027 if (!TextUtils.isEmpty(display)) { 1028 return RecipientEntry.constructFakeEntry(display, isValid); 1029 } 1030 } 1031 } 1032 // Unable to validate the token or to create a valid token from it. 1033 // Just create a chip the user can edit. 1034 String validatedToken = null; 1035 if (mValidator != null && !isValid) { 1036 // Try fixing up the entry using the validator. 1037 validatedToken = mValidator.fixText(token).toString(); 1038 if (!TextUtils.isEmpty(validatedToken)) { 1039 if (validatedToken.contains(token)) { 1040 // protect against the case of a validator with a null 1041 // domain, 1042 // which doesn't add a domain to the token 1043 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1044 if (tokenized.length > 0) { 1045 validatedToken = tokenized[0].getAddress(); 1046 isValid = true; 1047 } 1048 } else { 1049 // We ran into a case where the token was invalid and 1050 // removed 1051 // by the validator. In this case, just use the original 1052 // token 1053 // and let the user sort out the error chip. 1054 validatedToken = null; 1055 isValid = false; 1056 } 1057 } 1058 } 1059 // Otherwise, fallback to just creating an editable email address chip. 1060 return RecipientEntry.constructFakeEntry( 1061 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1062 } 1063 1064 private boolean isValid(String text) { 1065 return mValidator == null ? true : mValidator.isValid(text); 1066 } 1067 1068 private static String tokenizeAddress(String destination) { 1069 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1070 if (tokens != null && tokens.length > 0) { 1071 return tokens[0].getAddress(); 1072 } 1073 return destination; 1074 } 1075 1076 @Override 1077 public void setTokenizer(Tokenizer tokenizer) { 1078 mTokenizer = tokenizer; 1079 super.setTokenizer(mTokenizer); 1080 } 1081 1082 @Override 1083 public void setValidator(Validator validator) { 1084 mValidator = validator; 1085 super.setValidator(validator); 1086 } 1087 1088 /** 1089 * We cannot use the default mechanism for replaceText. Instead, 1090 * we override onItemClickListener so we can get all the associated 1091 * contact information including display text, address, and id. 1092 */ 1093 @Override 1094 protected void replaceText(CharSequence text) { 1095 return; 1096 } 1097 1098 /** 1099 * Dismiss any selected chips when the back key is pressed. 1100 */ 1101 @Override 1102 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1103 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1104 clearSelectedChip(); 1105 return true; 1106 } 1107 return super.onKeyPreIme(keyCode, event); 1108 } 1109 1110 /** 1111 * Monitor key presses in this view to see if the user types 1112 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1113 * If the user has entered text that has contact matches and types 1114 * a commit key, create a chip from the topmost matching contact. 1115 * If the user has entered text that has no contact matches and types 1116 * a commit key, then create a chip from the text they have entered. 1117 */ 1118 @Override 1119 public boolean onKeyUp(int keyCode, KeyEvent event) { 1120 switch (keyCode) { 1121 case KeyEvent.KEYCODE_TAB: 1122 if (event.hasNoModifiers()) { 1123 if (mSelectedChip != null) { 1124 clearSelectedChip(); 1125 } else { 1126 commitDefault(); 1127 } 1128 } 1129 break; 1130 } 1131 return super.onKeyUp(keyCode, event); 1132 } 1133 1134 private boolean focusNext() { 1135 View next = focusSearch(View.FOCUS_DOWN); 1136 if (next != null) { 1137 next.requestFocus(); 1138 return true; 1139 } 1140 return false; 1141 } 1142 1143 /** 1144 * Create a chip from the default selection. If the popup is showing, the 1145 * default is the first item in the popup suggestions list. Otherwise, it is 1146 * whatever the user had typed in. End represents where the the tokenizer 1147 * should search for a token to turn into a chip. 1148 * @return If a chip was created from a real contact. 1149 */ 1150 private boolean commitDefault() { 1151 // If there is no tokenizer, don't try to commit. 1152 if (mTokenizer == null) { 1153 return false; 1154 } 1155 Editable editable = getText(); 1156 int end = getSelectionEnd(); 1157 int start = mTokenizer.findTokenStart(editable, end); 1158 1159 if (shouldCreateChip(start, end)) { 1160 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1161 // In the middle of chip; treat this as an edit 1162 // and commit the whole token. 1163 whatEnd = movePastTerminators(whatEnd); 1164 if (whatEnd != getSelectionEnd()) { 1165 handleEdit(start, whatEnd); 1166 return true; 1167 } 1168 return commitChip(start, end , editable); 1169 } 1170 return false; 1171 } 1172 1173 private void commitByCharacter() { 1174 // We can't possibly commit by character if we can't tokenize. 1175 if (mTokenizer == null) { 1176 return; 1177 } 1178 Editable editable = getText(); 1179 int end = getSelectionEnd(); 1180 int start = mTokenizer.findTokenStart(editable, end); 1181 if (shouldCreateChip(start, end)) { 1182 commitChip(start, end, editable); 1183 } 1184 setSelection(getText().length()); 1185 } 1186 1187 private boolean commitChip(int start, int end, Editable editable) { 1188 ListAdapter adapter = getAdapter(); 1189 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1190 && end == getSelectionEnd() && !isPhoneQuery()) { 1191 // choose the first entry. 1192 submitItemAtPosition(0); 1193 dismissDropDown(); 1194 return true; 1195 } else { 1196 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1197 if (editable.length() > tokenEnd + 1) { 1198 char charAt = editable.charAt(tokenEnd + 1); 1199 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1200 tokenEnd++; 1201 } 1202 } 1203 String text = editable.toString().substring(start, tokenEnd).trim(); 1204 clearComposingText(); 1205 if (text != null && text.length() > 0 && !text.equals(" ")) { 1206 RecipientEntry entry = createTokenizedEntry(text); 1207 if (entry != null) { 1208 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1209 CharSequence chipText = createChip(entry, false); 1210 if (chipText != null && start > -1 && end > -1) { 1211 editable.replace(start, end, chipText); 1212 } 1213 } 1214 // Only dismiss the dropdown if it is related to the text we 1215 // just committed. 1216 // For paste, it may not be as there are possibly multiple 1217 // tokens being added. 1218 if (end == getSelectionEnd()) { 1219 dismissDropDown(); 1220 } 1221 sanitizeBetween(); 1222 return true; 1223 } 1224 } 1225 return false; 1226 } 1227 1228 // Visible for testing. 1229 /* package */ void sanitizeBetween() { 1230 // Don't sanitize while we are waiting for content to chipify. 1231 if (mPendingChipsCount > 0) { 1232 return; 1233 } 1234 // Find the last chip. 1235 DrawableRecipientChip[] recips = getSortedRecipients(); 1236 if (recips != null && recips.length > 0) { 1237 DrawableRecipientChip last = recips[recips.length - 1]; 1238 DrawableRecipientChip beforeLast = null; 1239 if (recips.length > 1) { 1240 beforeLast = recips[recips.length - 2]; 1241 } 1242 int startLooking = 0; 1243 int end = getSpannable().getSpanStart(last); 1244 if (beforeLast != null) { 1245 startLooking = getSpannable().getSpanEnd(beforeLast); 1246 Editable text = getText(); 1247 if (startLooking == -1 || startLooking > text.length() - 1) { 1248 // There is nothing after this chip. 1249 return; 1250 } 1251 if (text.charAt(startLooking) == ' ') { 1252 startLooking++; 1253 } 1254 } 1255 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1256 getText().delete(startLooking, end); 1257 } 1258 } 1259 } 1260 1261 private boolean shouldCreateChip(int start, int end) { 1262 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1263 } 1264 1265 private boolean alreadyHasChip(int start, int end) { 1266 if (mNoChips) { 1267 return true; 1268 } 1269 DrawableRecipientChip[] chips = 1270 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1271 if ((chips == null || chips.length == 0)) { 1272 return false; 1273 } 1274 return true; 1275 } 1276 1277 private void handleEdit(int start, int end) { 1278 if (start == -1 || end == -1) { 1279 // This chip no longer exists in the field. 1280 dismissDropDown(); 1281 return; 1282 } 1283 // This is in the middle of a chip, so select out the whole chip 1284 // and commit it. 1285 Editable editable = getText(); 1286 setSelection(end); 1287 String text = getText().toString().substring(start, end); 1288 if (!TextUtils.isEmpty(text)) { 1289 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1290 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1291 CharSequence chipText = createChip(entry, false); 1292 int selEnd = getSelectionEnd(); 1293 if (chipText != null && start > -1 && selEnd > -1) { 1294 editable.replace(start, selEnd, chipText); 1295 } 1296 } 1297 dismissDropDown(); 1298 } 1299 1300 /** 1301 * If there is a selected chip, delegate the key events 1302 * to the selected chip. 1303 */ 1304 @Override 1305 public boolean onKeyDown(int keyCode, KeyEvent event) { 1306 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1307 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1308 mAlternatesPopup.dismiss(); 1309 } 1310 removeChip(mSelectedChip); 1311 } 1312 1313 switch (keyCode) { 1314 case KeyEvent.KEYCODE_ENTER: 1315 case KeyEvent.KEYCODE_DPAD_CENTER: 1316 if (event.hasNoModifiers()) { 1317 if (commitDefault()) { 1318 return true; 1319 } 1320 if (mSelectedChip != null) { 1321 clearSelectedChip(); 1322 return true; 1323 } else if (focusNext()) { 1324 return true; 1325 } 1326 } 1327 break; 1328 } 1329 1330 return super.onKeyDown(keyCode, event); 1331 } 1332 1333 // Visible for testing. 1334 /* package */ Spannable getSpannable() { 1335 return getText(); 1336 } 1337 1338 private int getChipStart(DrawableRecipientChip chip) { 1339 return getSpannable().getSpanStart(chip); 1340 } 1341 1342 private int getChipEnd(DrawableRecipientChip chip) { 1343 return getSpannable().getSpanEnd(chip); 1344 } 1345 1346 /** 1347 * Instead of filtering on the entire contents of the edit box, 1348 * this subclass method filters on the range from 1349 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1350 * if the length of that range meets or exceeds {@link #getThreshold} 1351 * and makes sure that the range is not already a Chip. 1352 */ 1353 @Override 1354 protected void performFiltering(CharSequence text, int keyCode) { 1355 boolean isCompletedToken = isCompletedToken(text); 1356 if (enoughToFilter() && !isCompletedToken) { 1357 int end = getSelectionEnd(); 1358 int start = mTokenizer.findTokenStart(text, end); 1359 // If this is a RecipientChip, don't filter 1360 // on its contents. 1361 Spannable span = getSpannable(); 1362 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1363 if (chips != null && chips.length > 0) { 1364 return; 1365 } 1366 } else if (isCompletedToken) { 1367 return; 1368 } 1369 super.performFiltering(text, keyCode); 1370 } 1371 1372 // Visible for testing. 1373 /*package*/ boolean isCompletedToken(CharSequence text) { 1374 if (TextUtils.isEmpty(text)) { 1375 return false; 1376 } 1377 // Check to see if this is a completed token before filtering. 1378 int end = text.length(); 1379 int start = mTokenizer.findTokenStart(text, end); 1380 String token = text.toString().substring(start, end).trim(); 1381 if (!TextUtils.isEmpty(token)) { 1382 char atEnd = token.charAt(token.length() - 1); 1383 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1384 } 1385 return false; 1386 } 1387 1388 private void clearSelectedChip() { 1389 if (mSelectedChip != null) { 1390 unselectChip(mSelectedChip); 1391 mSelectedChip = null; 1392 } 1393 setCursorVisible(true); 1394 } 1395 1396 /** 1397 * Monitor touch events in the RecipientEditTextView. 1398 * If the view does not have focus, any tap on the view 1399 * will just focus the view. If the view has focus, determine 1400 * if the touch target is a recipient chip. If it is and the chip 1401 * is not selected, select it and clear any other selected chips. 1402 * If it isn't, then select that chip. 1403 */ 1404 @Override 1405 public boolean onTouchEvent(MotionEvent event) { 1406 if (!isFocused()) { 1407 // Ignore any chip taps until this view is focused. 1408 return super.onTouchEvent(event); 1409 } 1410 boolean handled = super.onTouchEvent(event); 1411 int action = event.getAction(); 1412 boolean chipWasSelected = false; 1413 if (mSelectedChip == null) { 1414 mGestureDetector.onTouchEvent(event); 1415 } 1416 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1417 float x = event.getX(); 1418 float y = event.getY(); 1419 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1420 DrawableRecipientChip currentChip = findChip(offset); 1421 if (currentChip != null) { 1422 if (action == MotionEvent.ACTION_UP) { 1423 if (mSelectedChip != null && mSelectedChip != currentChip) { 1424 clearSelectedChip(); 1425 mSelectedChip = selectChip(currentChip); 1426 } else if (mSelectedChip == null) { 1427 setSelection(getText().length()); 1428 commitDefault(); 1429 mSelectedChip = selectChip(currentChip); 1430 } else { 1431 onClick(mSelectedChip, offset, x, y); 1432 } 1433 } 1434 chipWasSelected = true; 1435 handled = true; 1436 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1437 chipWasSelected = true; 1438 } 1439 } 1440 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1441 clearSelectedChip(); 1442 } 1443 return handled; 1444 } 1445 1446 private void scrollLineIntoView(int line) { 1447 if (mScrollView != null) { 1448 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1449 } 1450 } 1451 1452 private void showAlternates(DrawableRecipientChip currentChip, ListPopupWindow alternatesPopup, 1453 int width) { 1454 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1455 int bottom; 1456 if (line == getLineCount() -1) { 1457 bottom = 0; 1458 } else { 1459 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1460 - line))); 1461 } 1462 // Align the alternates popup with the left side of the View, 1463 // regardless of the position of the chip tapped. 1464 alternatesPopup.setWidth(width); 1465 alternatesPopup.setAnchorView(this); 1466 alternatesPopup.setVerticalOffset(bottom); 1467 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1468 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1469 // Clear the checked item. 1470 mCheckedItem = -1; 1471 alternatesPopup.show(); 1472 ListView listView = alternatesPopup.getListView(); 1473 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1474 // Checked item would be -1 if the adapter has not 1475 // loaded the view that should be checked yet. The 1476 // variable will be set correctly when onCheckedItemChanged 1477 // is called in a separate thread. 1478 if (mCheckedItem != -1) { 1479 listView.setItemChecked(mCheckedItem, true); 1480 mCheckedItem = -1; 1481 } 1482 } 1483 1484 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1485 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1486 ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1487 } 1488 1489 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1490 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1491 .getEntry()); 1492 } 1493 1494 @Override 1495 public void onCheckedItemChanged(int position) { 1496 ListView listView = mAlternatesPopup.getListView(); 1497 if (listView != null && listView.getCheckedItemCount() == 0) { 1498 listView.setItemChecked(position, true); 1499 } 1500 mCheckedItem = position; 1501 } 1502 1503 // TODO: This algorithm will need a lot of tweaking after more people have used 1504 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1505 // what comes before the finger. 1506 private int putOffsetInRange(int o) { 1507 int offset = o; 1508 Editable text = getText(); 1509 int length = text.length(); 1510 // Remove whitespace from end to find "real end" 1511 int realLength = length; 1512 for (int i = length - 1; i >= 0; i--) { 1513 if (text.charAt(i) == ' ') { 1514 realLength--; 1515 } else { 1516 break; 1517 } 1518 } 1519 1520 // If the offset is beyond or at the end of the text, 1521 // leave it alone. 1522 if (offset >= realLength) { 1523 return offset; 1524 } 1525 Editable editable = getText(); 1526 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1527 // Keep walking backward! 1528 offset--; 1529 } 1530 return offset; 1531 } 1532 1533 private static int findText(Editable text, int offset) { 1534 if (text.charAt(offset) != ' ') { 1535 return offset; 1536 } 1537 return -1; 1538 } 1539 1540 private DrawableRecipientChip findChip(int offset) { 1541 DrawableRecipientChip[] chips = 1542 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1543 // Find the chip that contains this offset. 1544 for (int i = 0; i < chips.length; i++) { 1545 DrawableRecipientChip chip = chips[i]; 1546 int start = getChipStart(chip); 1547 int end = getChipEnd(chip); 1548 if (offset >= start && offset <= end) { 1549 return chip; 1550 } 1551 } 1552 return null; 1553 } 1554 1555 // Visible for testing. 1556 // Use this method to generate text to add to the list of addresses. 1557 /* package */String createAddressText(RecipientEntry entry) { 1558 String display = entry.getDisplayName(); 1559 String address = entry.getDestination(); 1560 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1561 display = null; 1562 } 1563 String trimmedDisplayText; 1564 if (isPhoneQuery() && isPhoneNumber(address)) { 1565 trimmedDisplayText = address.trim(); 1566 } else { 1567 if (address != null) { 1568 // Tokenize out the address in case the address already 1569 // contained the username as well. 1570 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1571 if (tokenized != null && tokenized.length > 0) { 1572 address = tokenized[0].getAddress(); 1573 } 1574 } 1575 Rfc822Token token = new Rfc822Token(display, address, null); 1576 trimmedDisplayText = token.toString().trim(); 1577 } 1578 int index = trimmedDisplayText.indexOf(","); 1579 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1580 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1581 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1582 } 1583 1584 // Visible for testing. 1585 // Use this method to generate text to display in a chip. 1586 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1587 String display = entry.getDisplayName(); 1588 String address = entry.getDestination(); 1589 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1590 display = null; 1591 } 1592 if (!TextUtils.isEmpty(display)) { 1593 return display; 1594 } else if (!TextUtils.isEmpty(address)){ 1595 return address; 1596 } else { 1597 return new Rfc822Token(display, address, null).toString(); 1598 } 1599 } 1600 1601 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1602 String displayText = createAddressText(entry); 1603 if (TextUtils.isEmpty(displayText)) { 1604 return null; 1605 } 1606 SpannableString chipText = null; 1607 // Always leave a blank space at the end of a chip. 1608 int textLength = displayText.length() - 1; 1609 chipText = new SpannableString(displayText); 1610 if (!mNoChips) { 1611 try { 1612 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1613 false /* leave space for contact icon */); 1614 chipText.setSpan(chip, 0, textLength, 1615 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1616 chip.setOriginalText(chipText.toString()); 1617 } catch (NullPointerException e) { 1618 Log.e(TAG, e.getMessage(), e); 1619 return null; 1620 } 1621 } 1622 return chipText; 1623 } 1624 1625 /** 1626 * When an item in the suggestions list has been clicked, create a chip from the 1627 * contact information of the selected item. 1628 */ 1629 @Override 1630 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1631 submitItemAtPosition(position); 1632 } 1633 1634 private void submitItemAtPosition(int position) { 1635 RecipientEntry entry = createValidatedEntry( 1636 (RecipientEntry)getAdapter().getItem(position)); 1637 if (entry == null) { 1638 return; 1639 } 1640 clearComposingText(); 1641 1642 int end = getSelectionEnd(); 1643 int start = mTokenizer.findTokenStart(getText(), end); 1644 1645 Editable editable = getText(); 1646 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1647 CharSequence chip = createChip(entry, false); 1648 if (chip != null && start >= 0 && end >= 0) { 1649 editable.replace(start, end, chip); 1650 } 1651 sanitizeBetween(); 1652 } 1653 1654 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1655 if (item == null) { 1656 return null; 1657 } 1658 final RecipientEntry entry; 1659 // If the display name and the address are the same, or if this is a 1660 // valid contact, but the destination is invalid, then make this a fake 1661 // recipient that is editable. 1662 String destination = item.getDestination(); 1663 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1664 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1665 destination, item.isValid()); 1666 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1667 && (TextUtils.isEmpty(item.getDisplayName()) 1668 || TextUtils.equals(item.getDisplayName(), destination) 1669 || (mValidator != null && !mValidator.isValid(destination)))) { 1670 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1671 } else { 1672 entry = item; 1673 } 1674 return entry; 1675 } 1676 1677 /** Returns a collection of contact Id for each chip inside this View. */ 1678 /* package */ Collection<Long> getContactIds() { 1679 final Set<Long> result = new HashSet<Long>(); 1680 DrawableRecipientChip[] chips = getSortedRecipients(); 1681 if (chips != null) { 1682 for (DrawableRecipientChip chip : chips) { 1683 result.add(chip.getContactId()); 1684 } 1685 } 1686 return result; 1687 } 1688 1689 1690 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1691 /* package */ Collection<Long> getDataIds() { 1692 final Set<Long> result = new HashSet<Long>(); 1693 DrawableRecipientChip [] chips = getSortedRecipients(); 1694 if (chips != null) { 1695 for (DrawableRecipientChip chip : chips) { 1696 result.add(chip.getDataId()); 1697 } 1698 } 1699 return result; 1700 } 1701 1702 // Visible for testing. 1703 /* package */DrawableRecipientChip[] getSortedRecipients() { 1704 DrawableRecipientChip[] recips = getSpannable() 1705 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1706 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1707 Arrays.asList(recips)); 1708 final Spannable spannable = getSpannable(); 1709 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1710 1711 @Override 1712 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1713 int firstStart = spannable.getSpanStart(first); 1714 int secondStart = spannable.getSpanStart(second); 1715 if (firstStart < secondStart) { 1716 return -1; 1717 } else if (firstStart > secondStart) { 1718 return 1; 1719 } else { 1720 return 0; 1721 } 1722 } 1723 }); 1724 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1725 } 1726 1727 @Override 1728 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1729 return false; 1730 } 1731 1732 @Override 1733 public void onDestroyActionMode(ActionMode mode) { 1734 } 1735 1736 @Override 1737 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1738 return false; 1739 } 1740 1741 /** 1742 * No chips are selectable. 1743 */ 1744 @Override 1745 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1746 return false; 1747 } 1748 1749 // Visible for testing. 1750 /* package */ImageSpan getMoreChip() { 1751 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1752 MoreImageSpan.class); 1753 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1754 } 1755 1756 private MoreImageSpan createMoreSpan(int count) { 1757 String moreText = String.format(mMoreItem.getText().toString(), count); 1758 TextPaint morePaint = new TextPaint(getPaint()); 1759 morePaint.setTextSize(mMoreItem.getTextSize()); 1760 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1761 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1762 + mMoreItem.getPaddingRight(); 1763 int height = getLineHeight(); 1764 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1765 Canvas canvas = new Canvas(drawable); 1766 int adjustedHeight = height; 1767 Layout layout = getLayout(); 1768 if (layout != null) { 1769 adjustedHeight -= layout.getLineDescent(0); 1770 } 1771 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1772 1773 Drawable result = new BitmapDrawable(getResources(), drawable); 1774 result.setBounds(0, 0, width, height); 1775 return new MoreImageSpan(result); 1776 } 1777 1778 // Visible for testing. 1779 /*package*/ void createMoreChipPlainText() { 1780 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1781 Editable text = getText(); 1782 int start = 0; 1783 int end = start; 1784 for (int i = 0; i < CHIP_LIMIT; i++) { 1785 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1786 start = end; // move to the next token and get its end. 1787 } 1788 // Now, count total addresses. 1789 start = 0; 1790 int tokenCount = countTokens(text); 1791 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1792 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1793 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1794 text.replace(end, text.length(), chipText); 1795 mMoreChip = moreSpan; 1796 } 1797 1798 // Visible for testing. 1799 /* package */int countTokens(Editable text) { 1800 int tokenCount = 0; 1801 int start = 0; 1802 while (start < text.length()) { 1803 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1804 tokenCount++; 1805 if (start >= text.length()) { 1806 break; 1807 } 1808 } 1809 return tokenCount; 1810 } 1811 1812 /** 1813 * Create the more chip. The more chip is text that replaces any chips that 1814 * do not fit in the pre-defined available space when the 1815 * RecipientEditTextView loses focus. 1816 */ 1817 // Visible for testing. 1818 /* package */ void createMoreChip() { 1819 if (mNoChips) { 1820 createMoreChipPlainText(); 1821 return; 1822 } 1823 1824 if (!mShouldShrink) { 1825 return; 1826 } 1827 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1828 if (tempMore.length > 0) { 1829 getSpannable().removeSpan(tempMore[0]); 1830 } 1831 DrawableRecipientChip[] recipients = getSortedRecipients(); 1832 1833 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1834 mMoreChip = null; 1835 return; 1836 } 1837 Spannable spannable = getSpannable(); 1838 int numRecipients = recipients.length; 1839 int overage = numRecipients - CHIP_LIMIT; 1840 MoreImageSpan moreSpan = createMoreSpan(overage); 1841 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1842 int totalReplaceStart = 0; 1843 int totalReplaceEnd = 0; 1844 Editable text = getText(); 1845 for (int i = numRecipients - overage; i < recipients.length; i++) { 1846 mRemovedSpans.add(recipients[i]); 1847 if (i == numRecipients - overage) { 1848 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1849 } 1850 if (i == recipients.length - 1) { 1851 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1852 } 1853 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1854 int spanStart = spannable.getSpanStart(recipients[i]); 1855 int spanEnd = spannable.getSpanEnd(recipients[i]); 1856 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1857 } 1858 spannable.removeSpan(recipients[i]); 1859 } 1860 if (totalReplaceEnd < text.length()) { 1861 totalReplaceEnd = text.length(); 1862 } 1863 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1864 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1865 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1866 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1867 text.replace(start, end, chipText); 1868 mMoreChip = moreSpan; 1869 // If adding the +more chip goes over the limit, resize accordingly. 1870 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1871 setMaxLines(getLineCount()); 1872 } 1873 } 1874 1875 /** 1876 * Replace the more chip, if it exists, with all of the recipient chips it had 1877 * replaced when the RecipientEditTextView gains focus. 1878 */ 1879 // Visible for testing. 1880 /*package*/ void removeMoreChip() { 1881 if (mMoreChip != null) { 1882 Spannable span = getSpannable(); 1883 span.removeSpan(mMoreChip); 1884 mMoreChip = null; 1885 // Re-add the spans that were removed. 1886 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1887 // Recreate each removed span. 1888 DrawableRecipientChip[] recipients = getSortedRecipients(); 1889 // Start the search for tokens after the last currently visible 1890 // chip. 1891 if (recipients == null || recipients.length == 0) { 1892 return; 1893 } 1894 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1895 Editable editable = getText(); 1896 for (DrawableRecipientChip chip : mRemovedSpans) { 1897 int chipStart; 1898 int chipEnd; 1899 String token; 1900 // Need to find the location of the chip, again. 1901 token = (String) chip.getOriginalText(); 1902 // As we find the matching recipient for the remove spans, 1903 // reduce the size of the string we need to search. 1904 // That way, if there are duplicates, we always find the correct 1905 // recipient. 1906 chipStart = editable.toString().indexOf(token, end); 1907 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1908 // Only set the span if we found a matching token. 1909 if (chipStart != -1) { 1910 editable.setSpan(chip, chipStart, chipEnd, 1911 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1912 } 1913 } 1914 mRemovedSpans.clear(); 1915 } 1916 } 1917 } 1918 1919 /** 1920 * Show specified chip as selected. If the RecipientChip is just an email address, 1921 * selecting the chip will take the contents of the chip and place it at 1922 * the end of the RecipientEditTextView for inline editing. If the 1923 * RecipientChip is a complete contact, then selecting the chip 1924 * will change the background color of the chip, show the delete icon, 1925 * and a popup window with the address in use highlighted and any other 1926 * alternate addresses for the contact. 1927 * @param currentChip Chip to select. 1928 * @return A RecipientChip in the selected state or null if the chip 1929 * just contained an email address. 1930 */ 1931 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 1932 if (shouldShowEditableText(currentChip)) { 1933 CharSequence text = currentChip.getValue(); 1934 Editable editable = getText(); 1935 Spannable spannable = getSpannable(); 1936 int spanStart = spannable.getSpanStart(currentChip); 1937 int spanEnd = spannable.getSpanEnd(currentChip); 1938 spannable.removeSpan(currentChip); 1939 editable.delete(spanStart, spanEnd); 1940 setCursorVisible(true); 1941 setSelection(editable.length()); 1942 editable.append(text); 1943 return constructChipSpan( 1944 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1945 true, false); 1946 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1947 int start = getChipStart(currentChip); 1948 int end = getChipEnd(currentChip); 1949 getSpannable().removeSpan(currentChip); 1950 DrawableRecipientChip newChip; 1951 try { 1952 if (mNoChips) { 1953 return null; 1954 } 1955 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1956 } catch (NullPointerException e) { 1957 Log.e(TAG, e.getMessage(), e); 1958 return null; 1959 } 1960 Editable editable = getText(); 1961 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1962 if (start == -1 || end == -1) { 1963 Log.d(TAG, "The chip being selected no longer exists but should."); 1964 } else { 1965 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1966 } 1967 newChip.setSelected(true); 1968 if (shouldShowEditableText(newChip)) { 1969 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1970 } 1971 showAddress(newChip, mAddressPopup, getWidth()); 1972 setCursorVisible(false); 1973 return newChip; 1974 } else { 1975 int start = getChipStart(currentChip); 1976 int end = getChipEnd(currentChip); 1977 getSpannable().removeSpan(currentChip); 1978 DrawableRecipientChip newChip; 1979 try { 1980 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1981 } catch (NullPointerException e) { 1982 Log.e(TAG, e.getMessage(), e); 1983 return null; 1984 } 1985 Editable editable = getText(); 1986 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1987 if (start == -1 || end == -1) { 1988 Log.d(TAG, "The chip being selected no longer exists but should."); 1989 } else { 1990 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1991 } 1992 newChip.setSelected(true); 1993 if (shouldShowEditableText(newChip)) { 1994 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1995 } 1996 showAlternates(newChip, mAlternatesPopup, getWidth()); 1997 setCursorVisible(false); 1998 return newChip; 1999 } 2000 } 2001 2002 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2003 long contactId = currentChip.getContactId(); 2004 return contactId == RecipientEntry.INVALID_CONTACT 2005 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2006 } 2007 2008 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2009 int width) { 2010 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2011 int bottom = calculateOffsetFromBottom(line); 2012 // Align the alternates popup with the left side of the View, 2013 // regardless of the position of the chip tapped. 2014 popup.setWidth(width); 2015 popup.setAnchorView(this); 2016 popup.setVerticalOffset(bottom); 2017 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2018 popup.setOnItemClickListener(new OnItemClickListener() { 2019 @Override 2020 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2021 unselectChip(currentChip); 2022 popup.dismiss(); 2023 } 2024 }); 2025 popup.show(); 2026 ListView listView = popup.getListView(); 2027 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2028 listView.setItemChecked(0, true); 2029 } 2030 2031 /** 2032 * Remove selection from this chip. Unselecting a RecipientChip will render 2033 * the chip without a delete icon and with an unfocused background. This is 2034 * called when the RecipientChip no longer has focus. 2035 */ 2036 private void unselectChip(DrawableRecipientChip chip) { 2037 int start = getChipStart(chip); 2038 int end = getChipEnd(chip); 2039 Editable editable = getText(); 2040 mSelectedChip = null; 2041 if (start == -1 || end == -1) { 2042 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2043 setSelection(editable.length()); 2044 commitDefault(); 2045 } else { 2046 getSpannable().removeSpan(chip); 2047 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2048 editable.removeSpan(chip); 2049 try { 2050 if (!mNoChips) { 2051 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2052 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2053 } 2054 } catch (NullPointerException e) { 2055 Log.e(TAG, e.getMessage(), e); 2056 } 2057 } 2058 setCursorVisible(true); 2059 setSelection(editable.length()); 2060 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2061 mAlternatesPopup.dismiss(); 2062 } 2063 } 2064 2065 /** 2066 * Return whether a touch event was inside the delete target of 2067 * a selected chip. It is in the delete target if: 2068 * 1) the x and y points of the event are within the 2069 * delete assset. 2070 * 2) the point tapped would have caused a cursor to appear 2071 * right after the selected chip. 2072 * @return boolean 2073 */ 2074 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2075 // Figure out the bounds of this chip and whether or not 2076 // the user clicked in the X portion. 2077 // TODO: Should x and y be used, or removed? 2078 return chip.isSelected() && offset == getChipEnd(chip); 2079 } 2080 2081 /** 2082 * Remove the chip and any text associated with it from the RecipientEditTextView. 2083 */ 2084 // Visible for testing. 2085 /*pacakge*/ void removeChip(DrawableRecipientChip chip) { 2086 Spannable spannable = getSpannable(); 2087 int spanStart = spannable.getSpanStart(chip); 2088 int spanEnd = spannable.getSpanEnd(chip); 2089 Editable text = getText(); 2090 int toDelete = spanEnd; 2091 boolean wasSelected = chip == mSelectedChip; 2092 // Clear that there is a selected chip before updating any text. 2093 if (wasSelected) { 2094 mSelectedChip = null; 2095 } 2096 // Always remove trailing spaces when removing a chip. 2097 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2098 toDelete++; 2099 } 2100 spannable.removeSpan(chip); 2101 if (spanStart >= 0 && toDelete > 0) { 2102 text.delete(spanStart, toDelete); 2103 } 2104 if (wasSelected) { 2105 clearSelectedChip(); 2106 } 2107 } 2108 2109 /** 2110 * Replace this currently selected chip with a new chip 2111 * that uses the contact data provided. 2112 */ 2113 // Visible for testing. 2114 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2115 boolean wasSelected = chip == mSelectedChip; 2116 if (wasSelected) { 2117 mSelectedChip = null; 2118 } 2119 int start = getChipStart(chip); 2120 int end = getChipEnd(chip); 2121 getSpannable().removeSpan(chip); 2122 Editable editable = getText(); 2123 CharSequence chipText = createChip(entry, false); 2124 if (chipText != null) { 2125 if (start == -1 || end == -1) { 2126 Log.e(TAG, "The chip to replace does not exist but should."); 2127 editable.insert(0, chipText); 2128 } else { 2129 if (!TextUtils.isEmpty(chipText)) { 2130 // There may be a space to replace with this chip's new 2131 // associated space. Check for it 2132 int toReplace = end; 2133 while (toReplace >= 0 && toReplace < editable.length() 2134 && editable.charAt(toReplace) == ' ') { 2135 toReplace++; 2136 } 2137 editable.replace(start, toReplace, chipText); 2138 } 2139 } 2140 } 2141 setCursorVisible(true); 2142 if (wasSelected) { 2143 clearSelectedChip(); 2144 } 2145 } 2146 2147 /** 2148 * Handle click events for a chip. When a selected chip receives a click 2149 * event, see if that event was in the delete icon. If so, delete it. 2150 * Otherwise, unselect the chip. 2151 */ 2152 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2153 if (chip.isSelected()) { 2154 if (isInDelete(chip, offset, x, y)) { 2155 removeChip(chip); 2156 } else { 2157 clearSelectedChip(); 2158 } 2159 } 2160 } 2161 2162 private boolean chipsPending() { 2163 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2164 } 2165 2166 @Override 2167 public void removeTextChangedListener(TextWatcher watcher) { 2168 mTextWatcher = null; 2169 super.removeTextChangedListener(watcher); 2170 } 2171 2172 private class RecipientTextWatcher implements TextWatcher { 2173 2174 @Override 2175 public void afterTextChanged(Editable s) { 2176 // If the text has been set to null or empty, make sure we remove 2177 // all the spans we applied. 2178 if (TextUtils.isEmpty(s)) { 2179 // Remove all the chips spans. 2180 Spannable spannable = getSpannable(); 2181 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2182 DrawableRecipientChip.class); 2183 for (DrawableRecipientChip chip : chips) { 2184 spannable.removeSpan(chip); 2185 } 2186 if (mMoreChip != null) { 2187 spannable.removeSpan(mMoreChip); 2188 } 2189 return; 2190 } 2191 // Get whether there are any recipients pending addition to the 2192 // view. If there are, don't do anything in the text watcher. 2193 if (chipsPending()) { 2194 return; 2195 } 2196 // If the user is editing a chip, don't clear it. 2197 if (mSelectedChip != null) { 2198 if (!isGeneratedContact(mSelectedChip)) { 2199 setCursorVisible(true); 2200 setSelection(getText().length()); 2201 clearSelectedChip(); 2202 } else { 2203 return; 2204 } 2205 } 2206 int length = s.length(); 2207 // Make sure there is content there to parse and that it is 2208 // not just the commit character. 2209 if (length > 1) { 2210 if (lastCharacterIsCommitCharacter(s)) { 2211 commitByCharacter(); 2212 return; 2213 } 2214 char last; 2215 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2216 int len = length() - 1; 2217 if (end != len) { 2218 last = s.charAt(end); 2219 } else { 2220 last = s.charAt(len); 2221 } 2222 if (last == COMMIT_CHAR_SPACE) { 2223 if (!isPhoneQuery()) { 2224 // Check if this is a valid email address. If it is, 2225 // commit it. 2226 String text = getText().toString(); 2227 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2228 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2229 tokenStart)); 2230 if (!TextUtils.isEmpty(sub) && mValidator != null && 2231 mValidator.isValid(sub)) { 2232 commitByCharacter(); 2233 } 2234 } 2235 } 2236 } 2237 } 2238 2239 @Override 2240 public void onTextChanged(CharSequence s, int start, int before, int count) { 2241 // The user deleted some text OR some text was replaced; check to 2242 // see if the insertion point is on a space 2243 // following a chip. 2244 if (before - count == 1) { 2245 // If the item deleted is a space, and the thing before the 2246 // space is a chip, delete the entire span. 2247 int selStart = getSelectionStart(); 2248 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2249 DrawableRecipientChip.class); 2250 if (repl.length > 0) { 2251 // There is a chip there! Just remove it. 2252 Editable editable = getText(); 2253 // Add the separator token. 2254 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2255 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2256 tokenEnd = tokenEnd + 1; 2257 if (tokenEnd > editable.length()) { 2258 tokenEnd = editable.length(); 2259 } 2260 editable.delete(tokenStart, tokenEnd); 2261 getSpannable().removeSpan(repl[0]); 2262 } 2263 } else if (count > before) { 2264 if (mSelectedChip != null 2265 && isGeneratedContact(mSelectedChip)) { 2266 if (lastCharacterIsCommitCharacter(s)) { 2267 commitByCharacter(); 2268 return; 2269 } 2270 } 2271 } 2272 } 2273 2274 @Override 2275 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2276 // Do nothing. 2277 } 2278 } 2279 2280 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2281 char last; 2282 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2283 int len = length() - 1; 2284 if (end != len) { 2285 last = s.charAt(end); 2286 } else { 2287 last = s.charAt(len); 2288 } 2289 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2290 } 2291 2292 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2293 long contactId = chip.getContactId(); 2294 return contactId == RecipientEntry.INVALID_CONTACT 2295 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2296 } 2297 2298 /** 2299 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2300 */ 2301 private void handlePasteClip(ClipData clip) { 2302 removeTextChangedListener(mTextWatcher); 2303 2304 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2305 for (int i = 0; i < clip.getItemCount(); i++) { 2306 CharSequence paste = clip.getItemAt(i).getText(); 2307 if (paste != null) { 2308 int start = getSelectionStart(); 2309 int end = getSelectionEnd(); 2310 Editable editable = getText(); 2311 if (start >= 0 && end >= 0 && start != end) { 2312 editable.append(paste, start, end); 2313 } else { 2314 editable.insert(end, paste); 2315 } 2316 handlePasteAndReplace(); 2317 } 2318 } 2319 } 2320 2321 mHandler.post(mAddTextWatcher); 2322 } 2323 2324 @Override 2325 public boolean onTextContextMenuItem(int id) { 2326 if (id == android.R.id.paste) { 2327 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2328 Context.CLIPBOARD_SERVICE); 2329 handlePasteClip(clipboard.getPrimaryClip()); 2330 return true; 2331 } 2332 return super.onTextContextMenuItem(id); 2333 } 2334 2335 private void handlePasteAndReplace() { 2336 ArrayList<DrawableRecipientChip> created = handlePaste(); 2337 if (created != null && created.size() > 0) { 2338 // Perform reverse lookups on the pasted contacts. 2339 IndividualReplacementTask replace = new IndividualReplacementTask(); 2340 replace.execute(created); 2341 } 2342 } 2343 2344 // Visible for testing. 2345 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2346 String text = getText().toString(); 2347 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2348 String lastAddress = text.substring(originalTokenStart); 2349 int tokenStart = originalTokenStart; 2350 int prevTokenStart = tokenStart; 2351 DrawableRecipientChip findChip = null; 2352 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2353 if (tokenStart != 0) { 2354 // There are things before this! 2355 while (tokenStart != 0 && findChip == null) { 2356 prevTokenStart = tokenStart; 2357 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2358 findChip = findChip(tokenStart); 2359 if (tokenStart == originalTokenStart && findChip == null) { 2360 break; 2361 } 2362 } 2363 if (tokenStart != originalTokenStart) { 2364 if (findChip != null) { 2365 tokenStart = prevTokenStart; 2366 } 2367 int tokenEnd; 2368 DrawableRecipientChip createdChip; 2369 while (tokenStart < originalTokenStart) { 2370 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2371 tokenStart)); 2372 commitChip(tokenStart, tokenEnd, getText()); 2373 createdChip = findChip(tokenStart); 2374 if (createdChip == null) { 2375 break; 2376 } 2377 // +1 for the space at the end. 2378 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2379 created.add(createdChip); 2380 } 2381 } 2382 } 2383 // Take a look at the last token. If the token has been completed with a 2384 // commit character, create a chip. 2385 if (isCompletedToken(lastAddress)) { 2386 Editable editable = getText(); 2387 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2388 commitChip(tokenStart, editable.length(), editable); 2389 created.add(findChip(tokenStart)); 2390 } 2391 return created; 2392 } 2393 2394 // Visible for testing. 2395 /* package */int movePastTerminators(int tokenEnd) { 2396 if (tokenEnd >= length()) { 2397 return tokenEnd; 2398 } 2399 char atEnd = getText().toString().charAt(tokenEnd); 2400 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2401 tokenEnd++; 2402 } 2403 // This token had not only an end token character, but also a space 2404 // separating it from the next token. 2405 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2406 tokenEnd++; 2407 } 2408 return tokenEnd; 2409 } 2410 2411 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2412 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2413 try { 2414 if (mNoChips) { 2415 return null; 2416 } 2417 return constructChipSpan(entry, false, 2418 false /*leave space for contact icon */); 2419 } catch (NullPointerException e) { 2420 Log.e(TAG, e.getMessage(), e); 2421 return null; 2422 } 2423 } 2424 2425 @Override 2426 protected void onPreExecute() { 2427 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2428 // replaced 2429 final List<DrawableRecipientChip> originalRecipients = 2430 new ArrayList<DrawableRecipientChip>(); 2431 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2432 for (int i = 0; i < existingChips.length; i++) { 2433 originalRecipients.add(existingChips[i]); 2434 } 2435 if (mRemovedSpans != null) { 2436 originalRecipients.addAll(mRemovedSpans); 2437 } 2438 2439 final List<DrawableRecipientChip> replacements = 2440 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2441 2442 for (final DrawableRecipientChip chip : originalRecipients) { 2443 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2444 && getSpannable().getSpanStart(chip) != -1) { 2445 replacements.add(createFreeChip(chip.getEntry())); 2446 } else { 2447 replacements.add(null); 2448 } 2449 } 2450 2451 processReplacements(originalRecipients, replacements); 2452 } 2453 2454 @Override 2455 protected Void doInBackground(Void... params) { 2456 if (mIndividualReplacements != null) { 2457 mIndividualReplacements.cancel(true); 2458 } 2459 // For each chip in the list, look up the matching contact. 2460 // If there is a match, replace that chip with the matching 2461 // chip. 2462 final ArrayList<DrawableRecipientChip> recipients = 2463 new ArrayList<DrawableRecipientChip>(); 2464 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2465 for (int i = 0; i < existingChips.length; i++) { 2466 recipients.add(existingChips[i]); 2467 } 2468 if (mRemovedSpans != null) { 2469 recipients.addAll(mRemovedSpans); 2470 } 2471 ArrayList<String> addresses = new ArrayList<String>(); 2472 DrawableRecipientChip chip; 2473 for (int i = 0; i < recipients.size(); i++) { 2474 chip = recipients.get(i); 2475 if (chip != null) { 2476 addresses.add(createAddressText(chip.getEntry())); 2477 } 2478 } 2479 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2480 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2481 new RecipientMatchCallback() { 2482 2483 @Override 2484 public void matchesFound(Map<String, RecipientEntry> entries) { 2485 final ArrayList<DrawableRecipientChip> replacements = 2486 new ArrayList<DrawableRecipientChip>(); 2487 for (final DrawableRecipientChip temp : recipients) { 2488 RecipientEntry entry = null; 2489 if (temp != null && RecipientEntry.isCreatedRecipient( 2490 temp.getEntry().getContactId()) 2491 && getSpannable().getSpanStart(temp) != -1) { 2492 // Replace this. 2493 entry = createValidatedEntry( 2494 entries.get(tokenizeAddress(temp.getEntry() 2495 .getDestination()))); 2496 } 2497 if (entry != null) { 2498 replacements.add(createFreeChip(entry)); 2499 } else { 2500 replacements.add(null); 2501 } 2502 } 2503 processReplacements(recipients, replacements); 2504 } 2505 2506 @Override 2507 public void matchesNotFound(final Set<String> unfoundAddresses) { 2508 final List<DrawableRecipientChip> replacements = 2509 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2510 2511 for (final DrawableRecipientChip temp : recipients) { 2512 if (temp != null && RecipientEntry.isCreatedRecipient( 2513 temp.getEntry().getContactId()) 2514 && getSpannable().getSpanStart(temp) != -1) { 2515 if (unfoundAddresses.contains( 2516 temp.getEntry().getDestination())) { 2517 replacements.add(createFreeChip(temp.getEntry())); 2518 } else { 2519 replacements.add(null); 2520 } 2521 } else { 2522 replacements.add(null); 2523 } 2524 } 2525 2526 processReplacements(recipients, replacements); 2527 } 2528 }); 2529 return null; 2530 } 2531 2532 private void processReplacements(final List<DrawableRecipientChip> recipients, 2533 final List<DrawableRecipientChip> replacements) { 2534 if (replacements != null && replacements.size() > 0) { 2535 final Runnable runnable = new Runnable() { 2536 @Override 2537 public void run() { 2538 Editable oldText = getText(); 2539 int start, end; 2540 int i = 0; 2541 for (DrawableRecipientChip chip : recipients) { 2542 DrawableRecipientChip replacement = replacements.get(i); 2543 if (replacement != null) { 2544 final RecipientEntry oldEntry = chip.getEntry(); 2545 final RecipientEntry newEntry = replacement.getEntry(); 2546 final boolean isBetter = 2547 RecipientAlternatesAdapter.getBetterRecipient( 2548 oldEntry, newEntry) == newEntry; 2549 2550 if (isBetter) { 2551 // Find the location of the chip in the text currently shown. 2552 start = oldText.getSpanStart(chip); 2553 if (start != -1) { 2554 // Replacing the entirety of what the chip represented, 2555 // including the extra space dividing it from other chips. 2556 end = oldText.getSpanEnd(chip) + 1; 2557 oldText.removeSpan(chip); 2558 // Make sure we always have just 1 space at the end to 2559 // separate this chip from the next chip. 2560 SpannableString displayText = 2561 new SpannableString(createAddressText( 2562 replacement.getEntry()).trim() 2563 + " "); 2564 displayText.setSpan(replacement, 0, 2565 displayText.length() - 1, 2566 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2567 // Replace the old text we found with with the new display 2568 // text, which now may also contain the display name of the 2569 // recipient. 2570 oldText.replace(start, end, displayText); 2571 replacement.setOriginalText(displayText.toString()); 2572 replacements.set(i, null); 2573 2574 recipients.set(i, replacement); 2575 } 2576 } 2577 } 2578 i++; 2579 } 2580 } 2581 }; 2582 2583 if (Looper.myLooper() == Looper.getMainLooper()) { 2584 runnable.run(); 2585 } else { 2586 mHandler.post(runnable); 2587 } 2588 } 2589 } 2590 } 2591 2592 private class IndividualReplacementTask 2593 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2594 @Override 2595 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2596 // For each chip in the list, look up the matching contact. 2597 // If there is a match, replace that chip with the matching 2598 // chip. 2599 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2600 ArrayList<String> addresses = new ArrayList<String>(); 2601 DrawableRecipientChip chip; 2602 for (int i = 0; i < originalRecipients.size(); i++) { 2603 chip = originalRecipients.get(i); 2604 if (chip != null) { 2605 addresses.add(createAddressText(chip.getEntry())); 2606 } 2607 } 2608 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2609 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2610 new RecipientMatchCallback() { 2611 2612 @Override 2613 public void matchesFound(Map<String, RecipientEntry> entries) { 2614 for (final DrawableRecipientChip temp : originalRecipients) { 2615 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2616 .getContactId()) 2617 && getSpannable().getSpanStart(temp) != -1) { 2618 // Replace this. 2619 RecipientEntry entry = createValidatedEntry(entries 2620 .get(tokenizeAddress(temp.getEntry().getDestination()) 2621 .toLowerCase())); 2622 // If we don't have a validated contact 2623 // match, just use the 2624 // entry as it existed before. 2625 if (entry == null && !isPhoneQuery()) { 2626 entry = temp.getEntry(); 2627 } 2628 final RecipientEntry tempEntry = entry; 2629 if (tempEntry != null) { 2630 mHandler.post(new Runnable() { 2631 @Override 2632 public void run() { 2633 replaceChip(temp, tempEntry); 2634 } 2635 }); 2636 } 2637 } 2638 } 2639 } 2640 2641 @Override 2642 public void matchesNotFound(final Set<String> unfoundAddresses) { 2643 // No action required 2644 } 2645 }); 2646 return null; 2647 } 2648 } 2649 2650 2651 /** 2652 * MoreImageSpan is a simple class created for tracking the existence of a 2653 * more chip across activity restarts/ 2654 */ 2655 private class MoreImageSpan extends ImageSpan { 2656 public MoreImageSpan(Drawable b) { 2657 super(b); 2658 } 2659 } 2660 2661 @Override 2662 public boolean onDown(MotionEvent e) { 2663 return false; 2664 } 2665 2666 @Override 2667 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2668 // Do nothing. 2669 return false; 2670 } 2671 2672 @Override 2673 public void onLongPress(MotionEvent event) { 2674 if (mSelectedChip != null) { 2675 return; 2676 } 2677 float x = event.getX(); 2678 float y = event.getY(); 2679 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2680 DrawableRecipientChip currentChip = findChip(offset); 2681 if (currentChip != null) { 2682 if (mDragEnabled) { 2683 // Start drag-and-drop for the selected chip. 2684 startDrag(currentChip); 2685 } else { 2686 // Copy the selected chip email address. 2687 showCopyDialog(currentChip.getEntry().getDestination()); 2688 } 2689 } 2690 } 2691 2692 /** 2693 * Enables drag-and-drop for chips. 2694 */ 2695 public void enableDrag() { 2696 mDragEnabled = true; 2697 } 2698 2699 /** 2700 * Starts drag-and-drop for the selected chip. 2701 */ 2702 private void startDrag(DrawableRecipientChip currentChip) { 2703 String address = currentChip.getEntry().getDestination(); 2704 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2705 2706 // Start drag mode. 2707 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2708 2709 // Remove the current chip, so drag-and-drop will result in a move. 2710 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2711 removeChip(currentChip); 2712 } 2713 2714 /** 2715 * Handles drag event. 2716 */ 2717 @Override 2718 public boolean onDragEvent(DragEvent event) { 2719 switch (event.getAction()) { 2720 case DragEvent.ACTION_DRAG_STARTED: 2721 // Only handle plain text drag and drop. 2722 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2723 case DragEvent.ACTION_DRAG_ENTERED: 2724 requestFocus(); 2725 return true; 2726 case DragEvent.ACTION_DROP: 2727 handlePasteClip(event.getClipData()); 2728 return true; 2729 } 2730 return false; 2731 } 2732 2733 /** 2734 * Drag shadow for a {@link RecipientChip}. 2735 */ 2736 private final class RecipientChipShadow extends DragShadowBuilder { 2737 private final DrawableRecipientChip mChip; 2738 2739 public RecipientChipShadow(DrawableRecipientChip chip) { 2740 mChip = chip; 2741 } 2742 2743 @Override 2744 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2745 Rect rect = mChip.getBounds(); 2746 shadowSize.set(rect.width(), rect.height()); 2747 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2748 } 2749 2750 @Override 2751 public void onDrawShadow(Canvas canvas) { 2752 mChip.draw(canvas); 2753 } 2754 } 2755 2756 private void showCopyDialog(final String address) { 2757 mCopyAddress = address; 2758 mCopyDialog.setTitle(address); 2759 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2760 mCopyDialog.setCancelable(true); 2761 mCopyDialog.setCanceledOnTouchOutside(true); 2762 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2763 button.setOnClickListener(this); 2764 int btnTitleId; 2765 if (isPhoneQuery()) { 2766 btnTitleId = R.string.copy_number; 2767 } else { 2768 btnTitleId = R.string.copy_email; 2769 } 2770 String buttonTitle = getContext().getResources().getString(btnTitleId); 2771 button.setText(buttonTitle); 2772 mCopyDialog.setOnDismissListener(this); 2773 mCopyDialog.show(); 2774 } 2775 2776 @Override 2777 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2778 // Do nothing. 2779 return false; 2780 } 2781 2782 @Override 2783 public void onShowPress(MotionEvent e) { 2784 // Do nothing. 2785 } 2786 2787 @Override 2788 public boolean onSingleTapUp(MotionEvent e) { 2789 // Do nothing. 2790 return false; 2791 } 2792 2793 @Override 2794 public void onDismiss(DialogInterface dialog) { 2795 mCopyAddress = null; 2796 } 2797 2798 @Override 2799 public void onClick(View v) { 2800 // Copy this to the clipboard. 2801 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2802 Context.CLIPBOARD_SERVICE); 2803 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2804 mCopyDialog.dismiss(); 2805 } 2806 2807 protected boolean isPhoneQuery() { 2808 return getAdapter() != null 2809 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2810 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2811 } 2812} 2813