RecipientEditTextView.java revision b10d1c652d0416c284d9792fc9a0a92b3acd51ca
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 android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.Canvas; 32import android.graphics.Matrix; 33import android.graphics.Paint; 34import android.graphics.Point; 35import android.graphics.Rect; 36import android.graphics.RectF; 37import android.graphics.drawable.BitmapDrawable; 38import android.graphics.drawable.Drawable; 39import android.os.AsyncTask; 40import android.os.Build; 41import android.os.Handler; 42import android.os.Looper; 43import android.os.Message; 44import android.os.Parcelable; 45import android.text.Editable; 46import android.text.InputType; 47import android.text.Layout; 48import android.text.Spannable; 49import android.text.SpannableString; 50import android.text.SpannableStringBuilder; 51import android.text.Spanned; 52import android.text.TextPaint; 53import android.text.TextUtils; 54import android.text.TextWatcher; 55import android.text.method.QwertyKeyListener; 56import android.text.style.ImageSpan; 57import android.text.util.Rfc822Token; 58import android.text.util.Rfc822Tokenizer; 59import android.util.AttributeSet; 60import android.util.Log; 61import android.util.TypedValue; 62import android.view.ActionMode; 63import android.view.ActionMode.Callback; 64import android.view.DragEvent; 65import android.view.GestureDetector; 66import android.view.KeyEvent; 67import android.view.LayoutInflater; 68import android.view.Menu; 69import android.view.MenuItem; 70import android.view.MotionEvent; 71import android.view.View; 72import android.view.View.OnClickListener; 73import android.view.ViewParent; 74import android.view.inputmethod.EditorInfo; 75import android.view.inputmethod.InputConnection; 76import android.widget.AdapterView; 77import android.widget.AdapterView.OnItemClickListener; 78import android.widget.Button; 79import android.widget.Filterable; 80import android.widget.ListAdapter; 81import android.widget.ListPopupWindow; 82import android.widget.ListView; 83import android.widget.MultiAutoCompleteTextView; 84import android.widget.ScrollView; 85import android.widget.TextView; 86 87import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 88import com.android.ex.chips.recipientchip.DrawableRecipientChip; 89import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 90import com.android.ex.chips.recipientchip.VisibleRecipientChip; 91 92import java.util.ArrayList; 93import java.util.Arrays; 94import java.util.Collection; 95import java.util.Collections; 96import java.util.Comparator; 97import java.util.HashSet; 98import java.util.List; 99import java.util.Map; 100import java.util.Set; 101import java.util.regex.Matcher; 102import java.util.regex.Pattern; 103 104/** 105 * RecipientEditTextView is an auto complete text view for use with applications 106 * that use the new Chips UI for addressing a message to recipients. 107 */ 108public class RecipientEditTextView extends MultiAutoCompleteTextView implements 109 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 110 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 111 TextView.OnEditorActionListener { 112 113 private static final char COMMIT_CHAR_COMMA = ','; 114 115 private static final char COMMIT_CHAR_SEMICOLON = ';'; 116 117 private static final char COMMIT_CHAR_SPACE = ' '; 118 119 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 120 + String.valueOf(COMMIT_CHAR_SPACE); 121 122 private static final String TAG = "RecipientEditTextView"; 123 124 private static int DISMISS = "dismiss".hashCode(); 125 126 private static final long DISMISS_DELAY = 300; 127 128 // TODO: get correct number/ algorithm from with UX. 129 // Visible for testing. 130 /*package*/ static final int CHIP_LIMIT = 2; 131 132 private static final int MAX_CHIPS_PARSED = 50; 133 134 private static int sSelectedTextColor = -1; 135 136 // Resources for displaying chips. 137 private Drawable mChipBackground = null; 138 139 private Drawable mChipDelete = null; 140 141 private Drawable mInvalidChipBackground; 142 143 private Drawable mChipBackgroundPressed; 144 145 private float mChipHeight; 146 147 private float mChipFontSize; 148 149 private float mLineSpacingExtra; 150 151 private int mChipPadding; 152 153 /** 154 * Enumerator for avatar position. See attr.xml for more details. 155 * 0 for right, 1 for left. 156 */ 157 private int mAvatarPosition; 158 159 private static final int AVATAR_POSITION_RIGHT = 0; 160 161 private static final int AVATAR_POSITION_LEFT = 1; 162 163 private boolean mDisableDelete; 164 165 private Tokenizer mTokenizer; 166 167 private Validator mValidator; 168 169 private DrawableRecipientChip mSelectedChip; 170 171 private Bitmap mDefaultContactPhoto; 172 173 private ImageSpan mMoreChip; 174 175 private TextView mMoreItem; 176 177 // VisibleForTesting 178 final ArrayList<String> mPendingChips = new ArrayList<String>(); 179 180 private Handler mHandler; 181 182 private int mPendingChipsCount = 0; 183 184 private boolean mNoChips = false; 185 186 private ListPopupWindow mAlternatesPopup; 187 188 private ListPopupWindow mAddressPopup; 189 190 // VisibleForTesting 191 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 192 193 private ArrayList<DrawableRecipientChip> mRemovedSpans; 194 195 private boolean mShouldShrink = true; 196 197 // Chip copy fields. 198 private GestureDetector mGestureDetector; 199 200 private Dialog mCopyDialog; 201 202 private String mCopyAddress; 203 204 /** 205 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 206 * selected chip. 207 */ 208 private OnItemClickListener mAlternatesListener; 209 210 private int mCheckedItem; 211 212 private TextWatcher mTextWatcher; 213 214 // Obtain the enclosing scroll view, if it exists, so that the view can be 215 // scrolled to show the last line of chips content. 216 private ScrollView mScrollView; 217 218 private boolean mTriedGettingScrollView; 219 220 private boolean mDragEnabled = false; 221 222 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 223 // parens, so numbers such as "1 (425) 222-2342" match. 224 private static final Pattern PHONE_PATTERN 225 = Pattern.compile( // sdd = space, dot, or dash 226 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 227 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 228 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 229 230 private final Runnable mAddTextWatcher = new Runnable() { 231 @Override 232 public void run() { 233 if (mTextWatcher == null) { 234 mTextWatcher = new RecipientTextWatcher(); 235 addTextChangedListener(mTextWatcher); 236 } 237 } 238 }; 239 240 private IndividualReplacementTask mIndividualReplacements; 241 242 private Runnable mHandlePendingChips = new Runnable() { 243 244 @Override 245 public void run() { 246 handlePendingChips(); 247 } 248 249 }; 250 251 private Runnable mDelayedShrink = new Runnable() { 252 253 @Override 254 public void run() { 255 shrink(); 256 } 257 258 }; 259 260 private int mMaxLines; 261 262 private static int sExcessTopPadding = -1; 263 264 private int mActionBarHeight; 265 266 private boolean mAttachedToWindow; 267 268 private DropdownChipLayouter mDropdownChipLayouter; 269 270 public RecipientEditTextView(Context context, AttributeSet attrs) { 271 super(context, attrs); 272 setChipDimensions(context, attrs); 273 if (sSelectedTextColor == -1) { 274 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 275 } 276 mAlternatesPopup = new ListPopupWindow(context); 277 mAddressPopup = new ListPopupWindow(context); 278 mCopyDialog = new Dialog(context); 279 mAlternatesListener = new OnItemClickListener() { 280 @Override 281 public void onItemClick(AdapterView<?> adapterView,View view, int position, 282 long rowId) { 283 mAlternatesPopup.setOnItemClickListener(null); 284 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 285 .getRecipientEntry(position)); 286 Message delayed = Message.obtain(mHandler, DISMISS); 287 delayed.obj = mAlternatesPopup; 288 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 289 clearComposingText(); 290 } 291 }; 292 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 293 setOnItemClickListener(this); 294 setCustomSelectionActionModeCallback(this); 295 mHandler = new Handler() { 296 @Override 297 public void handleMessage(Message msg) { 298 if (msg.what == DISMISS) { 299 ((ListPopupWindow) msg.obj).dismiss(); 300 return; 301 } 302 super.handleMessage(msg); 303 } 304 }; 305 mTextWatcher = new RecipientTextWatcher(); 306 addTextChangedListener(mTextWatcher); 307 mGestureDetector = new GestureDetector(context, this); 308 setOnEditorActionListener(this); 309 310 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 311 } 312 313 protected void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 314 mDropdownChipLayouter = dropdownChipLayouter; 315 } 316 317 @Override 318 protected void onDetachedFromWindow() { 319 mAttachedToWindow = false; 320 } 321 322 @Override 323 protected void onAttachedToWindow() { 324 mAttachedToWindow = true; 325 } 326 327 @Override 328 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 329 if (action == EditorInfo.IME_ACTION_DONE) { 330 if (commitDefault()) { 331 return true; 332 } 333 if (mSelectedChip != null) { 334 clearSelectedChip(); 335 return true; 336 } else if (focusNext()) { 337 return true; 338 } 339 } 340 return false; 341 } 342 343 @Override 344 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 345 InputConnection connection = super.onCreateInputConnection(outAttrs); 346 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 347 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 348 // clear the existing action 349 outAttrs.imeOptions ^= imeActions; 350 // set the DONE action 351 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 352 } 353 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 354 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 355 } 356 357 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 358 outAttrs.actionLabel = getContext().getString(R.string.done); 359 return connection; 360 } 361 362 /*package*/ DrawableRecipientChip getLastChip() { 363 DrawableRecipientChip last = null; 364 DrawableRecipientChip[] chips = getSortedRecipients(); 365 if (chips != null && chips.length > 0) { 366 last = chips[chips.length - 1]; 367 } 368 return last; 369 } 370 371 @Override 372 public void onSelectionChanged(int start, int end) { 373 // When selection changes, see if it is inside the chips area. 374 // If so, move the cursor back after the chips again. 375 DrawableRecipientChip last = getLastChip(); 376 if (last != null && start < getSpannable().getSpanEnd(last)) { 377 // Grab the last chip and set the cursor to after it. 378 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 379 } 380 super.onSelectionChanged(start, end); 381 } 382 383 @Override 384 public void onRestoreInstanceState(Parcelable state) { 385 if (!TextUtils.isEmpty(getText())) { 386 super.onRestoreInstanceState(null); 387 } else { 388 super.onRestoreInstanceState(state); 389 } 390 } 391 392 @Override 393 public Parcelable onSaveInstanceState() { 394 // If the user changes orientation while they are editing, just roll back the selection. 395 clearSelectedChip(); 396 return super.onSaveInstanceState(); 397 } 398 399 /** 400 * Convenience method: Append the specified text slice to the TextView's 401 * display buffer, upgrading it to BufferType.EDITABLE if it was 402 * not already editable. Commas are excluded as they are added automatically 403 * by the view. 404 */ 405 @Override 406 public void append(CharSequence text, int start, int end) { 407 // We don't care about watching text changes while appending. 408 if (mTextWatcher != null) { 409 removeTextChangedListener(mTextWatcher); 410 } 411 super.append(text, start, end); 412 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 413 String displayString = text.toString(); 414 415 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 416 // We have no separator, so we should add it 417 super.append(SEPARATOR, 0, SEPARATOR.length()); 418 displayString += SEPARATOR; 419 } 420 421 if (!TextUtils.isEmpty(displayString) 422 && TextUtils.getTrimmedLength(displayString) > 0) { 423 mPendingChipsCount++; 424 mPendingChips.add(displayString); 425 } 426 } 427 // Put a message on the queue to make sure we ALWAYS handle pending 428 // chips. 429 if (mPendingChipsCount > 0) { 430 postHandlePendingChips(); 431 } 432 mHandler.post(mAddTextWatcher); 433 } 434 435 @Override 436 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 437 super.onFocusChanged(hasFocus, direction, previous); 438 if (!hasFocus) { 439 shrink(); 440 } else { 441 expand(); 442 } 443 } 444 445 private int getExcessTopPadding() { 446 if (sExcessTopPadding == -1) { 447 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 448 } 449 return sExcessTopPadding; 450 } 451 452 @Override 453 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 454 super.setAdapter(adapter); 455 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 456 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 457 @Override 458 public void onChanged(List<RecipientEntry> entries) { 459 // Scroll the chips field to the top of the screen so 460 // that the user can see as many results as possible. 461 if (entries != null && entries.size() > 0) { 462 scrollBottomIntoView(); 463 } 464 } 465 }); 466 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 467 } 468 469 private void scrollBottomIntoView() { 470 if (mScrollView != null && mShouldShrink) { 471 int[] location = new int[2]; 472 getLocationOnScreen(location); 473 int height = getHeight(); 474 int currentPos = location[1] + height; 475 // Desired position shows at least 1 line of chips below the action 476 // bar. We add excess padding to make sure this is always below other 477 // content. 478 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 479 if (currentPos > desiredPos) { 480 mScrollView.scrollBy(0, currentPos - desiredPos); 481 } 482 } 483 } 484 485 @Override 486 public void performValidation() { 487 // Do nothing. Chips handles its own validation. 488 } 489 490 private void shrink() { 491 if (mTokenizer == null) { 492 return; 493 } 494 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 495 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 496 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 497 clearSelectedChip(); 498 } else { 499 if (getWidth() <= 0) { 500 // We don't have the width yet which means the view hasn't been drawn yet 501 // and there is no reason to attempt to commit chips yet. 502 // This focus lost must be the result of an orientation change 503 // or an initial rendering. 504 // Re-post the shrink for later. 505 mHandler.removeCallbacks(mDelayedShrink); 506 mHandler.post(mDelayedShrink); 507 return; 508 } 509 // Reset any pending chips as they would have been handled 510 // when the field lost focus. 511 if (mPendingChipsCount > 0) { 512 postHandlePendingChips(); 513 } else { 514 Editable editable = getText(); 515 int end = getSelectionEnd(); 516 int start = mTokenizer.findTokenStart(editable, end); 517 DrawableRecipientChip[] chips = 518 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 519 if ((chips == null || chips.length == 0)) { 520 Editable text = getText(); 521 int whatEnd = mTokenizer.findTokenEnd(text, start); 522 // This token was already tokenized, so skip past the ending token. 523 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 524 whatEnd = movePastTerminators(whatEnd); 525 } 526 // In the middle of chip; treat this as an edit 527 // and commit the whole token. 528 int selEnd = getSelectionEnd(); 529 if (whatEnd != selEnd) { 530 handleEdit(start, whatEnd); 531 } else { 532 commitChip(start, end, editable); 533 } 534 } 535 } 536 mHandler.post(mAddTextWatcher); 537 } 538 createMoreChip(); 539 } 540 541 private void expand() { 542 if (mShouldShrink) { 543 setMaxLines(Integer.MAX_VALUE); 544 } 545 removeMoreChip(); 546 setCursorVisible(true); 547 Editable text = getText(); 548 setSelection(text != null && text.length() > 0 ? text.length() : 0); 549 // If there are any temporary chips, try replacing them now that the user 550 // has expanded the field. 551 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 552 new RecipientReplacementTask().execute(); 553 mTemporaryRecipients = null; 554 } 555 } 556 557 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 558 paint.setTextSize(mChipFontSize); 559 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 560 Log.d(TAG, "Max width is negative: " + maxWidth); 561 } 562 return TextUtils.ellipsize(text, paint, maxWidth, 563 TextUtils.TruncateAt.END); 564 } 565 566 /** 567 * Creates a bitmap of the given contact on a selected chip. 568 * 569 * @param contact The recipient entry to pull data from. 570 * @param paint The paint to use to draw the bitmap. 571 */ 572 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 573 paint.setColor(sSelectedTextColor); 574 Bitmap photo; 575 if (mDisableDelete) { 576 // Show the avatar instead if we don't want to delete 577 photo = getAvatarIcon(contact); 578 } else { 579 photo = ((BitmapDrawable) mChipDelete).getBitmap(); 580 } 581 return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); 582 } 583 584 /** 585 * Creates a bitmap of the given contact on a selected chip. 586 * 587 * @param contact The recipient entry to pull data from. 588 * @param paint The paint to use to draw the bitmap. 589 */ 590 // TODO: Is leaveBlankIconSpacer obsolete now that we have left and right attributes? 591 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 592 boolean leaveBlankIconSpacer) { 593 Drawable background = getChipBackground(contact); 594 Bitmap photo = getAvatarIcon(contact); 595 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 596 return createChipBitmap(contact, paint, photo, background); 597 } 598 599 private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint, Bitmap icon, 600 Drawable background) { 601 if (background == null) { 602 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 603 Bitmap.createBitmap((int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 604 } 605 606 Rect backgroundPadding = new Rect(); 607 background.getPadding(backgroundPadding); 608 609 // Ellipsize the text so that it takes AT MOST the entire width of the 610 // autocomplete text entry area. Make sure to leave space for padding 611 // on the sides. 612 int height = (int) mChipHeight; 613 // Since the icon is a square, it's width is equal to the maximum height it can be inside 614 // the chip. 615 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 616 float[] widths = new float[1]; 617 paint.getTextWidths(" ", widths); 618 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 619 calculateAvailableWidth() - iconWidth - widths[0]); 620 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 621 622 // Make sure there is a minimum chip width so the user can ALWAYS 623 // tap a chip without difficulty. 624 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 625 + backgroundPadding.left + backgroundPadding.right); 626 627 // Create the background of the chip. 628 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 629 Canvas canvas = new Canvas(tmpBitmap); 630 631 // Draw the background drawable 632 background.setBounds(0, 0, width, height); 633 background.draw(canvas); 634 // Draw the text vertically aligned 635 int textX = mAvatarPosition == AVATAR_POSITION_RIGHT ? 636 mChipPadding + backgroundPadding.left : 637 width - backgroundPadding.right - mChipPadding - textWidth; 638 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 639 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 640 if (icon != null) { 641 // Draw the icon 642 int iconX = mAvatarPosition == AVATAR_POSITION_RIGHT ? 643 width - backgroundPadding.right - iconWidth : 644 backgroundPadding.left; 645 RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 646 RectF dst = new RectF(iconX, 647 0 + backgroundPadding.top, 648 iconX + iconWidth, 649 height - backgroundPadding.bottom); 650 drawIconOnCanvas(icon, canvas, paint, src, dst); 651 } 652 return tmpBitmap; 653 } 654 655 /** 656 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 657 * draw an icon for this recipient. 658 */ 659 private Bitmap getAvatarIcon(RecipientEntry contact) { 660 // Don't draw photos for recipients that have been typed in OR generated on the fly. 661 long contactId = contact.getContactId(); 662 boolean drawPhotos = isPhoneQuery() ? 663 contactId != RecipientEntry.INVALID_CONTACT 664 : (contactId != RecipientEntry.INVALID_CONTACT 665 && (contactId != RecipientEntry.GENERATED_CONTACT && 666 !TextUtils.isEmpty(contact.getDisplayName()))); 667 668 if (drawPhotos) { 669 byte[] photoBytes = contact.getPhotoBytes(); 670 // There may not be a photo yet if anything but the first contact address 671 // was selected. 672 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 673 // TODO: cache this in the recipient entry? 674 getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); 675 photoBytes = contact.getPhotoBytes(); 676 } 677 if (photoBytes != null) { 678 return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 679 } else { 680 // TODO: can the scaled down default photo be cached? 681 return mDefaultContactPhoto; 682 } 683 } 684 685 return null; 686 } 687 688 /** 689 * Get the background drawable for a RecipientChip. 690 */ 691 // Visible for testing. 692 /* package */Drawable getChipBackground(RecipientEntry contact) { 693 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 694 } 695 696 /** 697 * Given a height, returns a Y offset that will draw the text in the middle of the height. 698 */ 699 protected float getTextYOffset(String text, TextPaint paint, int height) { 700 Rect bounds = new Rect(); 701 paint.getTextBounds(text, 0, text.length(), bounds); 702 int textHeight = bounds.bottom - bounds.top ; 703 return height - ((height - textHeight) / 2) - (int)paint.descent(); 704 } 705 706 /** 707 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 708 * rectangle of the canvas. 709 */ 710 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 711 Matrix matrix = new Matrix(); 712 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 713 canvas.drawBitmap(icon, matrix, paint); 714 } 715 716 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 717 boolean leaveIconSpace) throws NullPointerException { 718 if (mChipBackground == null) { 719 throw new NullPointerException( 720 "Unable to render any chips as setChipDimensions was not called."); 721 } 722 723 TextPaint paint = getPaint(); 724 float defaultSize = paint.getTextSize(); 725 int defaultColor = paint.getColor(); 726 727 Bitmap tmpBitmap; 728 if (pressed) { 729 tmpBitmap = createSelectedChip(contact, paint); 730 731 } else { 732 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 733 } 734 735 // Pass the full text, un-ellipsized, to the chip. 736 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 737 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 738 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 739 // Return text to the original size. 740 paint.setTextSize(defaultSize); 741 paint.setColor(defaultColor); 742 return recipientChip; 743 } 744 745 /** 746 * Calculate the bottom of the line the chip will be located on using: 747 * 1) which line the chip appears on 748 * 2) the height of a chip 749 * 3) padding built into the edit text view 750 */ 751 private int calculateOffsetFromBottom(int line) { 752 // Line offsets start at zero. 753 int actualLine = getLineCount() - (line + 1); 754 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 755 + getDropDownVerticalOffset(); 756 } 757 758 /** 759 * Get the max amount of space a chip can take up. The formula takes into 760 * account the width of the EditTextView, any view padding, and padding 761 * that will be added to the chip. 762 */ 763 private float calculateAvailableWidth() { 764 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 765 } 766 767 768 private void setChipDimensions(Context context, AttributeSet attrs) { 769 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 770 0); 771 Resources r = getContext().getResources(); 772 773 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 774 if (mChipBackground == null) { 775 mChipBackground = r.getDrawable(R.drawable.chip_background); 776 } 777 mChipBackgroundPressed = a 778 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 779 if (mChipBackgroundPressed == null) { 780 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 781 } 782 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 783 if (mChipDelete == null) { 784 mChipDelete = r.getDrawable(R.drawable.chip_delete); 785 } 786 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 787 if (mChipPadding == -1) { 788 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 789 } 790 791 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 792 793 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 794 795 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 796 if (mChipHeight == -1) { 797 mChipHeight = r.getDimension(R.dimen.chip_height); 798 } 799 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 800 if (mChipFontSize == -1) { 801 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 802 } 803 mInvalidChipBackground = a 804 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 805 if (mInvalidChipBackground == null) { 806 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 807 } 808 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 809 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_avatarPosition, false); 810 811 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 812 mMaxLines = r.getInteger(R.integer.chips_max_lines); 813 TypedValue tv = new TypedValue(); 814 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 815 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 816 .getDisplayMetrics()); 817 } 818 819 a.recycle(); 820 } 821 822 // Visible for testing. 823 /* package */ void setMoreItem(TextView moreItem) { 824 mMoreItem = moreItem; 825 } 826 827 828 // Visible for testing. 829 /* package */ void setChipBackground(Drawable chipBackground) { 830 mChipBackground = chipBackground; 831 } 832 833 // Visible for testing. 834 /* package */ void setChipHeight(int height) { 835 mChipHeight = height; 836 } 837 838 public float getChipHeight() { 839 return mChipHeight; 840 } 841 842 /** 843 * Set whether to shrink the recipients field such that at most 844 * one line of recipients chips are shown when the field loses 845 * focus. By default, the number of displayed recipients will be 846 * limited and a "more" chip will be shown when focus is lost. 847 * @param shrink 848 */ 849 public void setOnFocusListShrinkRecipients(boolean shrink) { 850 mShouldShrink = shrink; 851 } 852 853 @Override 854 public void onSizeChanged(int width, int height, int oldw, int oldh) { 855 super.onSizeChanged(width, height, oldw, oldh); 856 if (width != 0 && height != 0) { 857 if (mPendingChipsCount > 0) { 858 postHandlePendingChips(); 859 } else { 860 checkChipWidths(); 861 } 862 } 863 // Try to find the scroll view parent, if it exists. 864 if (mScrollView == null && !mTriedGettingScrollView) { 865 ViewParent parent = getParent(); 866 while (parent != null && !(parent instanceof ScrollView)) { 867 parent = parent.getParent(); 868 } 869 if (parent != null) { 870 mScrollView = (ScrollView) parent; 871 } 872 mTriedGettingScrollView = true; 873 } 874 } 875 876 private void postHandlePendingChips() { 877 mHandler.removeCallbacks(mHandlePendingChips); 878 mHandler.post(mHandlePendingChips); 879 } 880 881 private void checkChipWidths() { 882 // Check the widths of the associated chips. 883 DrawableRecipientChip[] chips = getSortedRecipients(); 884 if (chips != null) { 885 Rect bounds; 886 for (DrawableRecipientChip chip : chips) { 887 bounds = chip.getBounds(); 888 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 889 // Need to redraw that chip. 890 replaceChip(chip, chip.getEntry()); 891 } 892 } 893 } 894 } 895 896 // Visible for testing. 897 /*package*/ void handlePendingChips() { 898 if (getViewWidth() <= 0) { 899 // The widget has not been sized yet. 900 // This will be called as a result of onSizeChanged 901 // at a later point. 902 return; 903 } 904 if (mPendingChipsCount <= 0) { 905 return; 906 } 907 908 synchronized (mPendingChips) { 909 Editable editable = getText(); 910 // Tokenize! 911 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 912 for (int i = 0; i < mPendingChips.size(); i++) { 913 String current = mPendingChips.get(i); 914 int tokenStart = editable.toString().indexOf(current); 915 // Always leave a space at the end between tokens. 916 int tokenEnd = tokenStart + current.length() - 1; 917 if (tokenStart >= 0) { 918 // When we have a valid token, include it with the token 919 // to the left. 920 if (tokenEnd < editable.length() - 2 921 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 922 tokenEnd++; 923 } 924 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 925 || !mShouldShrink); 926 } 927 mPendingChipsCount--; 928 } 929 sanitizeEnd(); 930 } else { 931 mNoChips = true; 932 } 933 934 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 935 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 936 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 937 new RecipientReplacementTask().execute(); 938 mTemporaryRecipients = null; 939 } else { 940 // Create the "more" chip 941 mIndividualReplacements = new IndividualReplacementTask(); 942 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 943 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 944 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 945 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 946 mTemporaryRecipients.subList(CHIP_LIMIT, 947 mTemporaryRecipients.size())); 948 } else { 949 mTemporaryRecipients = null; 950 } 951 createMoreChip(); 952 } 953 } else { 954 // There are too many recipients to look up, so just fall back 955 // to showing addresses for all of them. 956 mTemporaryRecipients = null; 957 createMoreChip(); 958 } 959 mPendingChipsCount = 0; 960 mPendingChips.clear(); 961 } 962 } 963 964 // Visible for testing. 965 /*package*/ int getViewWidth() { 966 return getWidth(); 967 } 968 969 /** 970 * Remove any characters after the last valid chip. 971 */ 972 // Visible for testing. 973 /*package*/ void sanitizeEnd() { 974 // Don't sanitize while we are waiting for pending chips to complete. 975 if (mPendingChipsCount > 0) { 976 return; 977 } 978 // Find the last chip; eliminate any commit characters after it. 979 DrawableRecipientChip[] chips = getSortedRecipients(); 980 Spannable spannable = getSpannable(); 981 if (chips != null && chips.length > 0) { 982 int end; 983 mMoreChip = getMoreChip(); 984 if (mMoreChip != null) { 985 end = spannable.getSpanEnd(mMoreChip); 986 } else { 987 end = getSpannable().getSpanEnd(getLastChip()); 988 } 989 Editable editable = getText(); 990 int length = editable.length(); 991 if (length > end) { 992 // See what characters occur after that and eliminate them. 993 if (Log.isLoggable(TAG, Log.DEBUG)) { 994 Log.d(TAG, "There were extra characters after the last tokenizable entry." 995 + editable); 996 } 997 editable.delete(end + 1, length); 998 } 999 } 1000 } 1001 1002 /** 1003 * Create a chip that represents just the email address of a recipient. At some later 1004 * point, this chip will be attached to a real contact entry, if one exists. 1005 */ 1006 // VisibleForTesting 1007 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1008 boolean visible) { 1009 if (alreadyHasChip(tokenStart, tokenEnd)) { 1010 // There is already a chip present at this location. 1011 // Don't recreate it. 1012 return; 1013 } 1014 String token = editable.toString().substring(tokenStart, tokenEnd); 1015 final String trimmedToken = token.trim(); 1016 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1017 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1018 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1019 } 1020 RecipientEntry entry = createTokenizedEntry(token); 1021 if (entry != null) { 1022 DrawableRecipientChip chip = null; 1023 try { 1024 if (!mNoChips) { 1025 /* 1026 * leave space for the contact icon if this is not just an 1027 * email address 1028 */ 1029 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 1030 || TextUtils.equals(entry.getDisplayName(), 1031 entry.getDestination()); 1032 chip = visible ? 1033 constructChipSpan(entry, false, leaveSpace) 1034 : new InvisibleRecipientChip(entry); 1035 } 1036 } catch (NullPointerException e) { 1037 Log.e(TAG, e.getMessage(), e); 1038 } 1039 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1040 // Add this chip to the list of entries "to replace" 1041 if (chip != null) { 1042 if (mTemporaryRecipients == null) { 1043 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1044 } 1045 chip.setOriginalText(token); 1046 mTemporaryRecipients.add(chip); 1047 } 1048 } 1049 } 1050 1051 private static boolean isPhoneNumber(String number) { 1052 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1053 // PhoneNumberUtil). One complication is that it requires the sender's region which 1054 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1055 if (TextUtils.isEmpty(number)) { 1056 return false; 1057 } 1058 1059 Matcher match = PHONE_PATTERN.matcher(number); 1060 return match.matches(); 1061 } 1062 1063 // VisibleForTesting 1064 RecipientEntry createTokenizedEntry(final String token) { 1065 if (TextUtils.isEmpty(token)) { 1066 return null; 1067 } 1068 if (isPhoneQuery() && isPhoneNumber(token)) { 1069 return RecipientEntry.constructFakePhoneEntry(token, true); 1070 } 1071 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1072 String display = null; 1073 boolean isValid = isValid(token); 1074 if (isValid && tokens != null && tokens.length > 0) { 1075 // If we can get a name from tokenizing, then generate an entry from 1076 // this. 1077 display = tokens[0].getName(); 1078 if (!TextUtils.isEmpty(display)) { 1079 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1080 isValid); 1081 } else { 1082 display = tokens[0].getAddress(); 1083 if (!TextUtils.isEmpty(display)) { 1084 return RecipientEntry.constructFakeEntry(display, isValid); 1085 } 1086 } 1087 } 1088 // Unable to validate the token or to create a valid token from it. 1089 // Just create a chip the user can edit. 1090 String validatedToken = null; 1091 if (mValidator != null && !isValid) { 1092 // Try fixing up the entry using the validator. 1093 validatedToken = mValidator.fixText(token).toString(); 1094 if (!TextUtils.isEmpty(validatedToken)) { 1095 if (validatedToken.contains(token)) { 1096 // protect against the case of a validator with a null 1097 // domain, 1098 // which doesn't add a domain to the token 1099 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1100 if (tokenized.length > 0) { 1101 validatedToken = tokenized[0].getAddress(); 1102 isValid = true; 1103 } 1104 } else { 1105 // We ran into a case where the token was invalid and 1106 // removed 1107 // by the validator. In this case, just use the original 1108 // token 1109 // and let the user sort out the error chip. 1110 validatedToken = null; 1111 isValid = false; 1112 } 1113 } 1114 } 1115 // Otherwise, fallback to just creating an editable email address chip. 1116 return RecipientEntry.constructFakeEntry( 1117 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1118 } 1119 1120 private boolean isValid(String text) { 1121 return mValidator == null ? true : mValidator.isValid(text); 1122 } 1123 1124 private static String tokenizeAddress(String destination) { 1125 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1126 if (tokens != null && tokens.length > 0) { 1127 return tokens[0].getAddress(); 1128 } 1129 return destination; 1130 } 1131 1132 @Override 1133 public void setTokenizer(Tokenizer tokenizer) { 1134 mTokenizer = tokenizer; 1135 super.setTokenizer(mTokenizer); 1136 } 1137 1138 @Override 1139 public void setValidator(Validator validator) { 1140 mValidator = validator; 1141 super.setValidator(validator); 1142 } 1143 1144 /** 1145 * We cannot use the default mechanism for replaceText. Instead, 1146 * we override onItemClickListener so we can get all the associated 1147 * contact information including display text, address, and id. 1148 */ 1149 @Override 1150 protected void replaceText(CharSequence text) { 1151 return; 1152 } 1153 1154 /** 1155 * Dismiss any selected chips when the back key is pressed. 1156 */ 1157 @Override 1158 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1159 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1160 clearSelectedChip(); 1161 return true; 1162 } 1163 return super.onKeyPreIme(keyCode, event); 1164 } 1165 1166 /** 1167 * Monitor key presses in this view to see if the user types 1168 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1169 * If the user has entered text that has contact matches and types 1170 * a commit key, create a chip from the topmost matching contact. 1171 * If the user has entered text that has no contact matches and types 1172 * a commit key, then create a chip from the text they have entered. 1173 */ 1174 @Override 1175 public boolean onKeyUp(int keyCode, KeyEvent event) { 1176 switch (keyCode) { 1177 case KeyEvent.KEYCODE_TAB: 1178 if (event.hasNoModifiers()) { 1179 if (mSelectedChip != null) { 1180 clearSelectedChip(); 1181 } else { 1182 commitDefault(); 1183 } 1184 } 1185 break; 1186 } 1187 return super.onKeyUp(keyCode, event); 1188 } 1189 1190 private boolean focusNext() { 1191 View next = focusSearch(View.FOCUS_DOWN); 1192 if (next != null) { 1193 next.requestFocus(); 1194 return true; 1195 } 1196 return false; 1197 } 1198 1199 /** 1200 * Create a chip from the default selection. If the popup is showing, the 1201 * default is the first item in the popup suggestions list. Otherwise, it is 1202 * whatever the user had typed in. End represents where the the tokenizer 1203 * should search for a token to turn into a chip. 1204 * @return If a chip was created from a real contact. 1205 */ 1206 private boolean commitDefault() { 1207 // If there is no tokenizer, don't try to commit. 1208 if (mTokenizer == null) { 1209 return false; 1210 } 1211 Editable editable = getText(); 1212 int end = getSelectionEnd(); 1213 int start = mTokenizer.findTokenStart(editable, end); 1214 1215 if (shouldCreateChip(start, end)) { 1216 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1217 // In the middle of chip; treat this as an edit 1218 // and commit the whole token. 1219 whatEnd = movePastTerminators(whatEnd); 1220 if (whatEnd != getSelectionEnd()) { 1221 handleEdit(start, whatEnd); 1222 return true; 1223 } 1224 return commitChip(start, end , editable); 1225 } 1226 return false; 1227 } 1228 1229 private void commitByCharacter() { 1230 // We can't possibly commit by character if we can't tokenize. 1231 if (mTokenizer == null) { 1232 return; 1233 } 1234 Editable editable = getText(); 1235 int end = getSelectionEnd(); 1236 int start = mTokenizer.findTokenStart(editable, end); 1237 if (shouldCreateChip(start, end)) { 1238 commitChip(start, end, editable); 1239 } 1240 setSelection(getText().length()); 1241 } 1242 1243 private boolean commitChip(int start, int end, Editable editable) { 1244 ListAdapter adapter = getAdapter(); 1245 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1246 && end == getSelectionEnd() && !isPhoneQuery()) { 1247 // choose the first entry. 1248 submitItemAtPosition(0); 1249 dismissDropDown(); 1250 return true; 1251 } else { 1252 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1253 if (editable.length() > tokenEnd + 1) { 1254 char charAt = editable.charAt(tokenEnd + 1); 1255 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1256 tokenEnd++; 1257 } 1258 } 1259 String text = editable.toString().substring(start, tokenEnd).trim(); 1260 clearComposingText(); 1261 if (text != null && text.length() > 0 && !text.equals(" ")) { 1262 RecipientEntry entry = createTokenizedEntry(text); 1263 if (entry != null) { 1264 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1265 CharSequence chipText = createChip(entry, false); 1266 if (chipText != null && start > -1 && end > -1) { 1267 editable.replace(start, end, chipText); 1268 } 1269 } 1270 // Only dismiss the dropdown if it is related to the text we 1271 // just committed. 1272 // For paste, it may not be as there are possibly multiple 1273 // tokens being added. 1274 if (end == getSelectionEnd()) { 1275 dismissDropDown(); 1276 } 1277 sanitizeBetween(); 1278 return true; 1279 } 1280 } 1281 return false; 1282 } 1283 1284 // Visible for testing. 1285 /* package */ void sanitizeBetween() { 1286 // Don't sanitize while we are waiting for content to chipify. 1287 if (mPendingChipsCount > 0) { 1288 return; 1289 } 1290 // Find the last chip. 1291 DrawableRecipientChip[] recips = getSortedRecipients(); 1292 if (recips != null && recips.length > 0) { 1293 DrawableRecipientChip last = recips[recips.length - 1]; 1294 DrawableRecipientChip beforeLast = null; 1295 if (recips.length > 1) { 1296 beforeLast = recips[recips.length - 2]; 1297 } 1298 int startLooking = 0; 1299 int end = getSpannable().getSpanStart(last); 1300 if (beforeLast != null) { 1301 startLooking = getSpannable().getSpanEnd(beforeLast); 1302 Editable text = getText(); 1303 if (startLooking == -1 || startLooking > text.length() - 1) { 1304 // There is nothing after this chip. 1305 return; 1306 } 1307 if (text.charAt(startLooking) == ' ') { 1308 startLooking++; 1309 } 1310 } 1311 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1312 getText().delete(startLooking, end); 1313 } 1314 } 1315 } 1316 1317 private boolean shouldCreateChip(int start, int end) { 1318 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1319 } 1320 1321 private boolean alreadyHasChip(int start, int end) { 1322 if (mNoChips) { 1323 return true; 1324 } 1325 DrawableRecipientChip[] chips = 1326 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1327 if ((chips == null || chips.length == 0)) { 1328 return false; 1329 } 1330 return true; 1331 } 1332 1333 private void handleEdit(int start, int end) { 1334 if (start == -1 || end == -1) { 1335 // This chip no longer exists in the field. 1336 dismissDropDown(); 1337 return; 1338 } 1339 // This is in the middle of a chip, so select out the whole chip 1340 // and commit it. 1341 Editable editable = getText(); 1342 setSelection(end); 1343 String text = getText().toString().substring(start, end); 1344 if (!TextUtils.isEmpty(text)) { 1345 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1346 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1347 CharSequence chipText = createChip(entry, false); 1348 int selEnd = getSelectionEnd(); 1349 if (chipText != null && start > -1 && selEnd > -1) { 1350 editable.replace(start, selEnd, chipText); 1351 } 1352 } 1353 dismissDropDown(); 1354 } 1355 1356 /** 1357 * If there is a selected chip, delegate the key events 1358 * to the selected chip. 1359 */ 1360 @Override 1361 public boolean onKeyDown(int keyCode, KeyEvent event) { 1362 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1363 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1364 mAlternatesPopup.dismiss(); 1365 } 1366 removeChip(mSelectedChip); 1367 } 1368 1369 switch (keyCode) { 1370 case KeyEvent.KEYCODE_ENTER: 1371 case KeyEvent.KEYCODE_DPAD_CENTER: 1372 if (event.hasNoModifiers()) { 1373 if (commitDefault()) { 1374 return true; 1375 } 1376 if (mSelectedChip != null) { 1377 clearSelectedChip(); 1378 return true; 1379 } else if (focusNext()) { 1380 return true; 1381 } 1382 } 1383 break; 1384 } 1385 1386 return super.onKeyDown(keyCode, event); 1387 } 1388 1389 // Visible for testing. 1390 /* package */ Spannable getSpannable() { 1391 return getText(); 1392 } 1393 1394 private int getChipStart(DrawableRecipientChip chip) { 1395 return getSpannable().getSpanStart(chip); 1396 } 1397 1398 private int getChipEnd(DrawableRecipientChip chip) { 1399 return getSpannable().getSpanEnd(chip); 1400 } 1401 1402 /** 1403 * Instead of filtering on the entire contents of the edit box, 1404 * this subclass method filters on the range from 1405 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1406 * if the length of that range meets or exceeds {@link #getThreshold} 1407 * and makes sure that the range is not already a Chip. 1408 */ 1409 @Override 1410 protected void performFiltering(CharSequence text, int keyCode) { 1411 boolean isCompletedToken = isCompletedToken(text); 1412 if (enoughToFilter() && !isCompletedToken) { 1413 int end = getSelectionEnd(); 1414 int start = mTokenizer.findTokenStart(text, end); 1415 // If this is a RecipientChip, don't filter 1416 // on its contents. 1417 Spannable span = getSpannable(); 1418 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1419 if (chips != null && chips.length > 0) { 1420 return; 1421 } 1422 } else if (isCompletedToken) { 1423 return; 1424 } 1425 super.performFiltering(text, keyCode); 1426 } 1427 1428 // Visible for testing. 1429 /*package*/ boolean isCompletedToken(CharSequence text) { 1430 if (TextUtils.isEmpty(text)) { 1431 return false; 1432 } 1433 // Check to see if this is a completed token before filtering. 1434 int end = text.length(); 1435 int start = mTokenizer.findTokenStart(text, end); 1436 String token = text.toString().substring(start, end).trim(); 1437 if (!TextUtils.isEmpty(token)) { 1438 char atEnd = token.charAt(token.length() - 1); 1439 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1440 } 1441 return false; 1442 } 1443 1444 private void clearSelectedChip() { 1445 if (mSelectedChip != null) { 1446 unselectChip(mSelectedChip); 1447 mSelectedChip = null; 1448 } 1449 setCursorVisible(true); 1450 } 1451 1452 /** 1453 * Monitor touch events in the RecipientEditTextView. 1454 * If the view does not have focus, any tap on the view 1455 * will just focus the view. If the view has focus, determine 1456 * if the touch target is a recipient chip. If it is and the chip 1457 * is not selected, select it and clear any other selected chips. 1458 * If it isn't, then select that chip. 1459 */ 1460 @Override 1461 public boolean onTouchEvent(MotionEvent event) { 1462 if (!isFocused()) { 1463 // Ignore any chip taps until this view is focused. 1464 return super.onTouchEvent(event); 1465 } 1466 boolean handled = super.onTouchEvent(event); 1467 int action = event.getAction(); 1468 boolean chipWasSelected = false; 1469 if (mSelectedChip == null) { 1470 mGestureDetector.onTouchEvent(event); 1471 } 1472 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1473 float x = event.getX(); 1474 float y = event.getY(); 1475 int offset = putOffsetInRange(x, y); 1476 DrawableRecipientChip currentChip = findChip(offset); 1477 if (currentChip != null) { 1478 if (action == MotionEvent.ACTION_UP) { 1479 if (mSelectedChip != null && mSelectedChip != currentChip) { 1480 clearSelectedChip(); 1481 mSelectedChip = selectChip(currentChip); 1482 } else if (mSelectedChip == null) { 1483 setSelection(getText().length()); 1484 commitDefault(); 1485 mSelectedChip = selectChip(currentChip); 1486 } else { 1487 onClick(mSelectedChip, offset, x, y); 1488 } 1489 } 1490 chipWasSelected = true; 1491 handled = true; 1492 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1493 chipWasSelected = true; 1494 } 1495 } 1496 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1497 clearSelectedChip(); 1498 } 1499 return handled; 1500 } 1501 1502 private void scrollLineIntoView(int line) { 1503 if (mScrollView != null) { 1504 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1505 } 1506 } 1507 1508 private void showAlternates(final DrawableRecipientChip currentChip, 1509 final ListPopupWindow alternatesPopup, final int width) { 1510 new AsyncTask<Void, Void, ListAdapter>() { 1511 @Override 1512 protected ListAdapter doInBackground(final Void... params) { 1513 return createAlternatesAdapter(currentChip); 1514 } 1515 1516 @Override 1517 protected void onPostExecute(final ListAdapter result) { 1518 if (!mAttachedToWindow) { 1519 return; 1520 } 1521 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1522 int bottom; 1523 if (line == getLineCount() -1) { 1524 bottom = 0; 1525 } else { 1526 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1527 .abs(getLineCount() - 1 - line))); 1528 } 1529 // Align the alternates popup with the left side of the View, 1530 // regardless of the position of the chip tapped. 1531 alternatesPopup.setWidth(width); 1532 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1533 alternatesPopup.setVerticalOffset(bottom); 1534 alternatesPopup.setAdapter(result); 1535 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1536 // Clear the checked item. 1537 mCheckedItem = -1; 1538 alternatesPopup.show(); 1539 ListView listView = alternatesPopup.getListView(); 1540 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1541 // Checked item would be -1 if the adapter has not 1542 // loaded the view that should be checked yet. The 1543 // variable will be set correctly when onCheckedItemChanged 1544 // is called in a separate thread. 1545 if (mCheckedItem != -1) { 1546 listView.setItemChecked(mCheckedItem, true); 1547 mCheckedItem = -1; 1548 } 1549 } 1550 }.execute((Void[]) null); 1551 } 1552 1553 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1554 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1555 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1556 } 1557 1558 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1559 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1560 mDropdownChipLayouter); 1561 } 1562 1563 @Override 1564 public void onCheckedItemChanged(int position) { 1565 ListView listView = mAlternatesPopup.getListView(); 1566 if (listView != null && listView.getCheckedItemCount() == 0) { 1567 listView.setItemChecked(position, true); 1568 } 1569 mCheckedItem = position; 1570 } 1571 1572 private int putOffsetInRange(final float x, final float y) { 1573 final int offset; 1574 1575 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1576 offset = getOffsetForPosition(x, y); 1577 } else { 1578 offset = supportGetOffsetForPosition(x, y); 1579 } 1580 1581 return putOffsetInRange(offset); 1582 } 1583 1584 // TODO: This algorithm will need a lot of tweaking after more people have used 1585 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1586 // what comes before the finger. 1587 private int putOffsetInRange(int o) { 1588 int offset = o; 1589 Editable text = getText(); 1590 int length = text.length(); 1591 // Remove whitespace from end to find "real end" 1592 int realLength = length; 1593 for (int i = length - 1; i >= 0; i--) { 1594 if (text.charAt(i) == ' ') { 1595 realLength--; 1596 } else { 1597 break; 1598 } 1599 } 1600 1601 // If the offset is beyond or at the end of the text, 1602 // leave it alone. 1603 if (offset >= realLength) { 1604 return offset; 1605 } 1606 Editable editable = getText(); 1607 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1608 // Keep walking backward! 1609 offset--; 1610 } 1611 return offset; 1612 } 1613 1614 private static int findText(Editable text, int offset) { 1615 if (text.charAt(offset) != ' ') { 1616 return offset; 1617 } 1618 return -1; 1619 } 1620 1621 private DrawableRecipientChip findChip(int offset) { 1622 DrawableRecipientChip[] chips = 1623 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1624 // Find the chip that contains this offset. 1625 for (int i = 0; i < chips.length; i++) { 1626 DrawableRecipientChip chip = chips[i]; 1627 int start = getChipStart(chip); 1628 int end = getChipEnd(chip); 1629 if (offset >= start && offset <= end) { 1630 return chip; 1631 } 1632 } 1633 return null; 1634 } 1635 1636 // Visible for testing. 1637 // Use this method to generate text to add to the list of addresses. 1638 /* package */String createAddressText(RecipientEntry entry) { 1639 String display = entry.getDisplayName(); 1640 String address = entry.getDestination(); 1641 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1642 display = null; 1643 } 1644 String trimmedDisplayText; 1645 if (isPhoneQuery() && isPhoneNumber(address)) { 1646 trimmedDisplayText = address.trim(); 1647 } else { 1648 if (address != null) { 1649 // Tokenize out the address in case the address already 1650 // contained the username as well. 1651 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1652 if (tokenized != null && tokenized.length > 0) { 1653 address = tokenized[0].getAddress(); 1654 } 1655 } 1656 Rfc822Token token = new Rfc822Token(display, address, null); 1657 trimmedDisplayText = token.toString().trim(); 1658 } 1659 int index = trimmedDisplayText.indexOf(","); 1660 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1661 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1662 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1663 } 1664 1665 // Visible for testing. 1666 // Use this method to generate text to display in a chip. 1667 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1668 String display = entry.getDisplayName(); 1669 String address = entry.getDestination(); 1670 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1671 display = null; 1672 } 1673 if (!TextUtils.isEmpty(display)) { 1674 return display; 1675 } else if (!TextUtils.isEmpty(address)){ 1676 return address; 1677 } else { 1678 return new Rfc822Token(display, address, null).toString(); 1679 } 1680 } 1681 1682 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1683 String displayText = createAddressText(entry); 1684 if (TextUtils.isEmpty(displayText)) { 1685 return null; 1686 } 1687 SpannableString chipText = null; 1688 // Always leave a blank space at the end of a chip. 1689 int textLength = displayText.length() - 1; 1690 chipText = new SpannableString(displayText); 1691 if (!mNoChips) { 1692 try { 1693 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1694 false /* leave space for contact icon */); 1695 chipText.setSpan(chip, 0, textLength, 1696 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1697 chip.setOriginalText(chipText.toString()); 1698 } catch (NullPointerException e) { 1699 Log.e(TAG, e.getMessage(), e); 1700 return null; 1701 } 1702 } 1703 return chipText; 1704 } 1705 1706 /** 1707 * When an item in the suggestions list has been clicked, create a chip from the 1708 * contact information of the selected item. 1709 */ 1710 @Override 1711 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1712 if (position < 0) { 1713 return; 1714 } 1715 submitItemAtPosition(position); 1716 } 1717 1718 private void submitItemAtPosition(int position) { 1719 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1720 if (entry == null) { 1721 return; 1722 } 1723 clearComposingText(); 1724 1725 int end = getSelectionEnd(); 1726 int start = mTokenizer.findTokenStart(getText(), end); 1727 1728 Editable editable = getText(); 1729 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1730 CharSequence chip = createChip(entry, false); 1731 if (chip != null && start >= 0 && end >= 0) { 1732 editable.replace(start, end, chip); 1733 } 1734 sanitizeBetween(); 1735 } 1736 1737 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1738 if (item == null) { 1739 return null; 1740 } 1741 final RecipientEntry entry; 1742 // If the display name and the address are the same, or if this is a 1743 // valid contact, but the destination is invalid, then make this a fake 1744 // recipient that is editable. 1745 String destination = item.getDestination(); 1746 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1747 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1748 destination, item.isValid()); 1749 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1750 && (TextUtils.isEmpty(item.getDisplayName()) 1751 || TextUtils.equals(item.getDisplayName(), destination) 1752 || (mValidator != null && !mValidator.isValid(destination)))) { 1753 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1754 } else { 1755 entry = item; 1756 } 1757 return entry; 1758 } 1759 1760 /** Returns a collection of contact Id for each chip inside this View. */ 1761 /* package */ Collection<Long> getContactIds() { 1762 final Set<Long> result = new HashSet<Long>(); 1763 DrawableRecipientChip[] chips = getSortedRecipients(); 1764 if (chips != null) { 1765 for (DrawableRecipientChip chip : chips) { 1766 result.add(chip.getContactId()); 1767 } 1768 } 1769 return result; 1770 } 1771 1772 1773 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1774 /* package */ Collection<Long> getDataIds() { 1775 final Set<Long> result = new HashSet<Long>(); 1776 DrawableRecipientChip [] chips = getSortedRecipients(); 1777 if (chips != null) { 1778 for (DrawableRecipientChip chip : chips) { 1779 result.add(chip.getDataId()); 1780 } 1781 } 1782 return result; 1783 } 1784 1785 // Visible for testing. 1786 /* package */DrawableRecipientChip[] getSortedRecipients() { 1787 DrawableRecipientChip[] recips = getSpannable() 1788 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1789 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1790 Arrays.asList(recips)); 1791 final Spannable spannable = getSpannable(); 1792 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1793 1794 @Override 1795 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1796 int firstStart = spannable.getSpanStart(first); 1797 int secondStart = spannable.getSpanStart(second); 1798 if (firstStart < secondStart) { 1799 return -1; 1800 } else if (firstStart > secondStart) { 1801 return 1; 1802 } else { 1803 return 0; 1804 } 1805 } 1806 }); 1807 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1808 } 1809 1810 @Override 1811 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1812 return false; 1813 } 1814 1815 @Override 1816 public void onDestroyActionMode(ActionMode mode) { 1817 } 1818 1819 @Override 1820 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1821 return false; 1822 } 1823 1824 /** 1825 * No chips are selectable. 1826 */ 1827 @Override 1828 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1829 return false; 1830 } 1831 1832 // Visible for testing. 1833 /* package */ImageSpan getMoreChip() { 1834 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1835 MoreImageSpan.class); 1836 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1837 } 1838 1839 private MoreImageSpan createMoreSpan(int count) { 1840 String moreText = String.format(mMoreItem.getText().toString(), count); 1841 TextPaint morePaint = new TextPaint(getPaint()); 1842 morePaint.setTextSize(mMoreItem.getTextSize()); 1843 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1844 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1845 + mMoreItem.getPaddingRight(); 1846 int height = getLineHeight(); 1847 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1848 Canvas canvas = new Canvas(drawable); 1849 int adjustedHeight = height; 1850 Layout layout = getLayout(); 1851 if (layout != null) { 1852 adjustedHeight -= layout.getLineDescent(0); 1853 } 1854 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1855 1856 Drawable result = new BitmapDrawable(getResources(), drawable); 1857 result.setBounds(0, 0, width, height); 1858 return new MoreImageSpan(result); 1859 } 1860 1861 // Visible for testing. 1862 /*package*/ void createMoreChipPlainText() { 1863 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1864 Editable text = getText(); 1865 int start = 0; 1866 int end = start; 1867 for (int i = 0; i < CHIP_LIMIT; i++) { 1868 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1869 start = end; // move to the next token and get its end. 1870 } 1871 // Now, count total addresses. 1872 start = 0; 1873 int tokenCount = countTokens(text); 1874 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1875 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1876 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1877 text.replace(end, text.length(), chipText); 1878 mMoreChip = moreSpan; 1879 } 1880 1881 // Visible for testing. 1882 /* package */int countTokens(Editable text) { 1883 int tokenCount = 0; 1884 int start = 0; 1885 while (start < text.length()) { 1886 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1887 tokenCount++; 1888 if (start >= text.length()) { 1889 break; 1890 } 1891 } 1892 return tokenCount; 1893 } 1894 1895 /** 1896 * Create the more chip. The more chip is text that replaces any chips that 1897 * do not fit in the pre-defined available space when the 1898 * RecipientEditTextView loses focus. 1899 */ 1900 // Visible for testing. 1901 /* package */ void createMoreChip() { 1902 if (mNoChips) { 1903 createMoreChipPlainText(); 1904 return; 1905 } 1906 1907 if (!mShouldShrink) { 1908 return; 1909 } 1910 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1911 if (tempMore.length > 0) { 1912 getSpannable().removeSpan(tempMore[0]); 1913 } 1914 DrawableRecipientChip[] recipients = getSortedRecipients(); 1915 1916 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1917 mMoreChip = null; 1918 return; 1919 } 1920 Spannable spannable = getSpannable(); 1921 int numRecipients = recipients.length; 1922 int overage = numRecipients - CHIP_LIMIT; 1923 MoreImageSpan moreSpan = createMoreSpan(overage); 1924 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1925 int totalReplaceStart = 0; 1926 int totalReplaceEnd = 0; 1927 Editable text = getText(); 1928 for (int i = numRecipients - overage; i < recipients.length; i++) { 1929 mRemovedSpans.add(recipients[i]); 1930 if (i == numRecipients - overage) { 1931 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1932 } 1933 if (i == recipients.length - 1) { 1934 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1935 } 1936 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1937 int spanStart = spannable.getSpanStart(recipients[i]); 1938 int spanEnd = spannable.getSpanEnd(recipients[i]); 1939 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1940 } 1941 spannable.removeSpan(recipients[i]); 1942 } 1943 if (totalReplaceEnd < text.length()) { 1944 totalReplaceEnd = text.length(); 1945 } 1946 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1947 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1948 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1949 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1950 text.replace(start, end, chipText); 1951 mMoreChip = moreSpan; 1952 // If adding the +more chip goes over the limit, resize accordingly. 1953 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1954 setMaxLines(getLineCount()); 1955 } 1956 } 1957 1958 /** 1959 * Replace the more chip, if it exists, with all of the recipient chips it had 1960 * replaced when the RecipientEditTextView gains focus. 1961 */ 1962 // Visible for testing. 1963 /*package*/ void removeMoreChip() { 1964 if (mMoreChip != null) { 1965 Spannable span = getSpannable(); 1966 span.removeSpan(mMoreChip); 1967 mMoreChip = null; 1968 // Re-add the spans that were removed. 1969 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1970 // Recreate each removed span. 1971 DrawableRecipientChip[] recipients = getSortedRecipients(); 1972 // Start the search for tokens after the last currently visible 1973 // chip. 1974 if (recipients == null || recipients.length == 0) { 1975 return; 1976 } 1977 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1978 Editable editable = getText(); 1979 for (DrawableRecipientChip chip : mRemovedSpans) { 1980 int chipStart; 1981 int chipEnd; 1982 String token; 1983 // Need to find the location of the chip, again. 1984 token = (String) chip.getOriginalText(); 1985 // As we find the matching recipient for the remove spans, 1986 // reduce the size of the string we need to search. 1987 // That way, if there are duplicates, we always find the correct 1988 // recipient. 1989 chipStart = editable.toString().indexOf(token, end); 1990 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1991 // Only set the span if we found a matching token. 1992 if (chipStart != -1) { 1993 editable.setSpan(chip, chipStart, chipEnd, 1994 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1995 } 1996 } 1997 mRemovedSpans.clear(); 1998 } 1999 } 2000 } 2001 2002 /** 2003 * Show specified chip as selected. If the RecipientChip is just an email address, 2004 * selecting the chip will take the contents of the chip and place it at 2005 * the end of the RecipientEditTextView for inline editing. If the 2006 * RecipientChip is a complete contact, then selecting the chip 2007 * will change the background color of the chip, show the delete icon, 2008 * and a popup window with the address in use highlighted and any other 2009 * alternate addresses for the contact. 2010 * @param currentChip Chip to select. 2011 * @return A RecipientChip in the selected state or null if the chip 2012 * just contained an email address. 2013 */ 2014 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2015 if (shouldShowEditableText(currentChip)) { 2016 CharSequence text = currentChip.getValue(); 2017 Editable editable = getText(); 2018 Spannable spannable = getSpannable(); 2019 int spanStart = spannable.getSpanStart(currentChip); 2020 int spanEnd = spannable.getSpanEnd(currentChip); 2021 spannable.removeSpan(currentChip); 2022 editable.delete(spanStart, spanEnd); 2023 setCursorVisible(true); 2024 setSelection(editable.length()); 2025 editable.append(text); 2026 return constructChipSpan( 2027 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2028 true, false); 2029 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT 2030 || currentChip.isGalContact()) { 2031 int start = getChipStart(currentChip); 2032 int end = getChipEnd(currentChip); 2033 getSpannable().removeSpan(currentChip); 2034 DrawableRecipientChip newChip; 2035 try { 2036 if (mNoChips) { 2037 return null; 2038 } 2039 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2040 } catch (NullPointerException e) { 2041 Log.e(TAG, e.getMessage(), e); 2042 return null; 2043 } 2044 Editable editable = getText(); 2045 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2046 if (start == -1 || end == -1) { 2047 Log.d(TAG, "The chip being selected no longer exists but should."); 2048 } else { 2049 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2050 } 2051 newChip.setSelected(true); 2052 if (shouldShowEditableText(newChip)) { 2053 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2054 } 2055 showAddress(newChip, mAddressPopup, getWidth()); 2056 setCursorVisible(false); 2057 return newChip; 2058 } else { 2059 int start = getChipStart(currentChip); 2060 int end = getChipEnd(currentChip); 2061 getSpannable().removeSpan(currentChip); 2062 DrawableRecipientChip newChip; 2063 try { 2064 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2065 } catch (NullPointerException e) { 2066 Log.e(TAG, e.getMessage(), e); 2067 return null; 2068 } 2069 Editable editable = getText(); 2070 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2071 if (start == -1 || end == -1) { 2072 Log.d(TAG, "The chip being selected no longer exists but should."); 2073 } else { 2074 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2075 } 2076 newChip.setSelected(true); 2077 if (shouldShowEditableText(newChip)) { 2078 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2079 } 2080 showAlternates(newChip, mAlternatesPopup, getWidth()); 2081 setCursorVisible(false); 2082 return newChip; 2083 } 2084 } 2085 2086 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2087 long contactId = currentChip.getContactId(); 2088 return contactId == RecipientEntry.INVALID_CONTACT 2089 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2090 } 2091 2092 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2093 int width) { 2094 if (!mAttachedToWindow) { 2095 return; 2096 } 2097 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2098 int bottom = calculateOffsetFromBottom(line); 2099 // Align the alternates popup with the left side of the View, 2100 // regardless of the position of the chip tapped. 2101 popup.setWidth(width); 2102 popup.setAnchorView(this); 2103 popup.setVerticalOffset(bottom); 2104 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2105 popup.setOnItemClickListener(new OnItemClickListener() { 2106 @Override 2107 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2108 unselectChip(currentChip); 2109 popup.dismiss(); 2110 } 2111 }); 2112 popup.show(); 2113 ListView listView = popup.getListView(); 2114 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2115 listView.setItemChecked(0, true); 2116 } 2117 2118 /** 2119 * Remove selection from this chip. Unselecting a RecipientChip will render 2120 * the chip without a delete icon and with an unfocused background. This is 2121 * called when the RecipientChip no longer has focus. 2122 */ 2123 private void unselectChip(DrawableRecipientChip chip) { 2124 int start = getChipStart(chip); 2125 int end = getChipEnd(chip); 2126 Editable editable = getText(); 2127 mSelectedChip = null; 2128 if (start == -1 || end == -1) { 2129 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2130 setSelection(editable.length()); 2131 commitDefault(); 2132 } else { 2133 getSpannable().removeSpan(chip); 2134 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2135 editable.removeSpan(chip); 2136 try { 2137 if (!mNoChips) { 2138 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2139 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2140 } 2141 } catch (NullPointerException e) { 2142 Log.e(TAG, e.getMessage(), e); 2143 } 2144 } 2145 setCursorVisible(true); 2146 setSelection(editable.length()); 2147 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2148 mAlternatesPopup.dismiss(); 2149 } 2150 } 2151 2152 /** 2153 * Return whether a touch event was inside the delete target of 2154 * a selected chip. It is in the delete target if: 2155 * 1) the x and y points of the event are within the 2156 * delete assset. 2157 * 2) the point tapped would have caused a cursor to appear 2158 * right after the selected chip. 2159 * @return boolean 2160 */ 2161 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2162 // Figure out the bounds of this chip and whether or not 2163 // the user clicked in the X portion. 2164 // TODO: Should x and y be used, or removed? 2165 if (mDisableDelete) { 2166 return false; 2167 } 2168 2169 return chip.isSelected() && 2170 ((mAvatarPosition == 0 && offset == getChipEnd(chip)) || 2171 (mAvatarPosition != 0 && offset == getChipStart(chip))); 2172 } 2173 2174 /** 2175 * Remove the chip and any text associated with it from the RecipientEditTextView. 2176 */ 2177 // Visible for testing. 2178 /* package */void removeChip(DrawableRecipientChip chip) { 2179 Spannable spannable = getSpannable(); 2180 int spanStart = spannable.getSpanStart(chip); 2181 int spanEnd = spannable.getSpanEnd(chip); 2182 Editable text = getText(); 2183 int toDelete = spanEnd; 2184 boolean wasSelected = chip == mSelectedChip; 2185 // Clear that there is a selected chip before updating any text. 2186 if (wasSelected) { 2187 mSelectedChip = null; 2188 } 2189 // Always remove trailing spaces when removing a chip. 2190 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2191 toDelete++; 2192 } 2193 spannable.removeSpan(chip); 2194 if (spanStart >= 0 && toDelete > 0) { 2195 text.delete(spanStart, toDelete); 2196 } 2197 if (wasSelected) { 2198 clearSelectedChip(); 2199 } 2200 } 2201 2202 /** 2203 * Replace this currently selected chip with a new chip 2204 * that uses the contact data provided. 2205 */ 2206 // Visible for testing. 2207 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2208 boolean wasSelected = chip == mSelectedChip; 2209 if (wasSelected) { 2210 mSelectedChip = null; 2211 } 2212 int start = getChipStart(chip); 2213 int end = getChipEnd(chip); 2214 getSpannable().removeSpan(chip); 2215 Editable editable = getText(); 2216 CharSequence chipText = createChip(entry, false); 2217 if (chipText != null) { 2218 if (start == -1 || end == -1) { 2219 Log.e(TAG, "The chip to replace does not exist but should."); 2220 editable.insert(0, chipText); 2221 } else { 2222 if (!TextUtils.isEmpty(chipText)) { 2223 // There may be a space to replace with this chip's new 2224 // associated space. Check for it 2225 int toReplace = end; 2226 while (toReplace >= 0 && toReplace < editable.length() 2227 && editable.charAt(toReplace) == ' ') { 2228 toReplace++; 2229 } 2230 editable.replace(start, toReplace, chipText); 2231 } 2232 } 2233 } 2234 setCursorVisible(true); 2235 if (wasSelected) { 2236 clearSelectedChip(); 2237 } 2238 } 2239 2240 /** 2241 * Handle click events for a chip. When a selected chip receives a click 2242 * event, see if that event was in the delete icon. If so, delete it. 2243 * Otherwise, unselect the chip. 2244 */ 2245 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2246 if (chip.isSelected()) { 2247 if (isInDelete(chip, offset, x, y)) { 2248 removeChip(chip); 2249 } else { 2250 clearSelectedChip(); 2251 } 2252 } 2253 } 2254 2255 private boolean chipsPending() { 2256 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2257 } 2258 2259 @Override 2260 public void removeTextChangedListener(TextWatcher watcher) { 2261 mTextWatcher = null; 2262 super.removeTextChangedListener(watcher); 2263 } 2264 2265 private class RecipientTextWatcher implements TextWatcher { 2266 2267 @Override 2268 public void afterTextChanged(Editable s) { 2269 // If the text has been set to null or empty, make sure we remove 2270 // all the spans we applied. 2271 if (TextUtils.isEmpty(s)) { 2272 // Remove all the chips spans. 2273 Spannable spannable = getSpannable(); 2274 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2275 DrawableRecipientChip.class); 2276 for (DrawableRecipientChip chip : chips) { 2277 spannable.removeSpan(chip); 2278 } 2279 if (mMoreChip != null) { 2280 spannable.removeSpan(mMoreChip); 2281 } 2282 return; 2283 } 2284 // Get whether there are any recipients pending addition to the 2285 // view. If there are, don't do anything in the text watcher. 2286 if (chipsPending()) { 2287 return; 2288 } 2289 // If the user is editing a chip, don't clear it. 2290 if (mSelectedChip != null) { 2291 if (!isGeneratedContact(mSelectedChip)) { 2292 setCursorVisible(true); 2293 setSelection(getText().length()); 2294 clearSelectedChip(); 2295 } else { 2296 return; 2297 } 2298 } 2299 int length = s.length(); 2300 // Make sure there is content there to parse and that it is 2301 // not just the commit character. 2302 if (length > 1) { 2303 if (lastCharacterIsCommitCharacter(s)) { 2304 commitByCharacter(); 2305 return; 2306 } 2307 char last; 2308 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2309 int len = length() - 1; 2310 if (end != len) { 2311 last = s.charAt(end); 2312 } else { 2313 last = s.charAt(len); 2314 } 2315 if (last == COMMIT_CHAR_SPACE) { 2316 if (!isPhoneQuery()) { 2317 // Check if this is a valid email address. If it is, 2318 // commit it. 2319 String text = getText().toString(); 2320 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2321 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2322 tokenStart)); 2323 if (!TextUtils.isEmpty(sub) && mValidator != null && 2324 mValidator.isValid(sub)) { 2325 commitByCharacter(); 2326 } 2327 } 2328 } 2329 } 2330 } 2331 2332 @Override 2333 public void onTextChanged(CharSequence s, int start, int before, int count) { 2334 // The user deleted some text OR some text was replaced; check to 2335 // see if the insertion point is on a space 2336 // following a chip. 2337 if (before - count == 1) { 2338 // If the item deleted is a space, and the thing before the 2339 // space is a chip, delete the entire span. 2340 int selStart = getSelectionStart(); 2341 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2342 DrawableRecipientChip.class); 2343 if (repl.length > 0) { 2344 // There is a chip there! Just remove it. 2345 Editable editable = getText(); 2346 // Add the separator token. 2347 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2348 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2349 tokenEnd = tokenEnd + 1; 2350 if (tokenEnd > editable.length()) { 2351 tokenEnd = editable.length(); 2352 } 2353 editable.delete(tokenStart, tokenEnd); 2354 getSpannable().removeSpan(repl[0]); 2355 } 2356 } else if (count > before) { 2357 if (mSelectedChip != null 2358 && isGeneratedContact(mSelectedChip)) { 2359 if (lastCharacterIsCommitCharacter(s)) { 2360 commitByCharacter(); 2361 return; 2362 } 2363 } 2364 } 2365 } 2366 2367 @Override 2368 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2369 // Do nothing. 2370 } 2371 } 2372 2373 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2374 char last; 2375 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2376 int len = length() - 1; 2377 if (end != len) { 2378 last = s.charAt(end); 2379 } else { 2380 last = s.charAt(len); 2381 } 2382 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2383 } 2384 2385 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2386 long contactId = chip.getContactId(); 2387 return contactId == RecipientEntry.INVALID_CONTACT 2388 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2389 } 2390 2391 /** 2392 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2393 */ 2394 private void handlePasteClip(ClipData clip) { 2395 removeTextChangedListener(mTextWatcher); 2396 2397 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2398 for (int i = 0; i < clip.getItemCount(); i++) { 2399 CharSequence paste = clip.getItemAt(i).getText(); 2400 if (paste != null) { 2401 int start = getSelectionStart(); 2402 int end = getSelectionEnd(); 2403 Editable editable = getText(); 2404 if (start >= 0 && end >= 0 && start != end) { 2405 editable.append(paste, start, end); 2406 } else { 2407 editable.insert(end, paste); 2408 } 2409 handlePasteAndReplace(); 2410 } 2411 } 2412 } 2413 2414 mHandler.post(mAddTextWatcher); 2415 } 2416 2417 @Override 2418 public boolean onTextContextMenuItem(int id) { 2419 if (id == android.R.id.paste) { 2420 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2421 Context.CLIPBOARD_SERVICE); 2422 handlePasteClip(clipboard.getPrimaryClip()); 2423 return true; 2424 } 2425 return super.onTextContextMenuItem(id); 2426 } 2427 2428 private void handlePasteAndReplace() { 2429 ArrayList<DrawableRecipientChip> created = handlePaste(); 2430 if (created != null && created.size() > 0) { 2431 // Perform reverse lookups on the pasted contacts. 2432 IndividualReplacementTask replace = new IndividualReplacementTask(); 2433 replace.execute(created); 2434 } 2435 } 2436 2437 // Visible for testing. 2438 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2439 String text = getText().toString(); 2440 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2441 String lastAddress = text.substring(originalTokenStart); 2442 int tokenStart = originalTokenStart; 2443 int prevTokenStart = 0; 2444 DrawableRecipientChip findChip = null; 2445 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2446 if (tokenStart != 0) { 2447 // There are things before this! 2448 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2449 prevTokenStart = tokenStart; 2450 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2451 findChip = findChip(tokenStart); 2452 if (tokenStart == originalTokenStart && findChip == null) { 2453 break; 2454 } 2455 } 2456 if (tokenStart != originalTokenStart) { 2457 if (findChip != null) { 2458 tokenStart = prevTokenStart; 2459 } 2460 int tokenEnd; 2461 DrawableRecipientChip createdChip; 2462 while (tokenStart < originalTokenStart) { 2463 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2464 tokenStart)); 2465 commitChip(tokenStart, tokenEnd, getText()); 2466 createdChip = findChip(tokenStart); 2467 if (createdChip == null) { 2468 break; 2469 } 2470 // +1 for the space at the end. 2471 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2472 created.add(createdChip); 2473 } 2474 } 2475 } 2476 // Take a look at the last token. If the token has been completed with a 2477 // commit character, create a chip. 2478 if (isCompletedToken(lastAddress)) { 2479 Editable editable = getText(); 2480 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2481 commitChip(tokenStart, editable.length(), editable); 2482 created.add(findChip(tokenStart)); 2483 } 2484 return created; 2485 } 2486 2487 // Visible for testing. 2488 /* package */int movePastTerminators(int tokenEnd) { 2489 if (tokenEnd >= length()) { 2490 return tokenEnd; 2491 } 2492 char atEnd = getText().toString().charAt(tokenEnd); 2493 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2494 tokenEnd++; 2495 } 2496 // This token had not only an end token character, but also a space 2497 // separating it from the next token. 2498 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2499 tokenEnd++; 2500 } 2501 return tokenEnd; 2502 } 2503 2504 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2505 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2506 try { 2507 if (mNoChips) { 2508 return null; 2509 } 2510 return constructChipSpan(entry, false, 2511 false /*leave space for contact icon */); 2512 } catch (NullPointerException e) { 2513 Log.e(TAG, e.getMessage(), e); 2514 return null; 2515 } 2516 } 2517 2518 @Override 2519 protected void onPreExecute() { 2520 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2521 // replaced 2522 final List<DrawableRecipientChip> originalRecipients = 2523 new ArrayList<DrawableRecipientChip>(); 2524 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2525 for (int i = 0; i < existingChips.length; i++) { 2526 originalRecipients.add(existingChips[i]); 2527 } 2528 if (mRemovedSpans != null) { 2529 originalRecipients.addAll(mRemovedSpans); 2530 } 2531 2532 final List<DrawableRecipientChip> replacements = 2533 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2534 2535 for (final DrawableRecipientChip chip : originalRecipients) { 2536 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2537 && getSpannable().getSpanStart(chip) != -1) { 2538 replacements.add(createFreeChip(chip.getEntry())); 2539 } else { 2540 replacements.add(null); 2541 } 2542 } 2543 2544 processReplacements(originalRecipients, replacements); 2545 } 2546 2547 @Override 2548 protected Void doInBackground(Void... params) { 2549 if (mIndividualReplacements != null) { 2550 mIndividualReplacements.cancel(true); 2551 } 2552 // For each chip in the list, look up the matching contact. 2553 // If there is a match, replace that chip with the matching 2554 // chip. 2555 final ArrayList<DrawableRecipientChip> recipients = 2556 new ArrayList<DrawableRecipientChip>(); 2557 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2558 for (int i = 0; i < existingChips.length; i++) { 2559 recipients.add(existingChips[i]); 2560 } 2561 if (mRemovedSpans != null) { 2562 recipients.addAll(mRemovedSpans); 2563 } 2564 ArrayList<String> addresses = new ArrayList<String>(); 2565 DrawableRecipientChip chip; 2566 for (int i = 0; i < recipients.size(); i++) { 2567 chip = recipients.get(i); 2568 if (chip != null) { 2569 addresses.add(createAddressText(chip.getEntry())); 2570 } 2571 } 2572 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2573 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2574 adapter.getAccount(), new RecipientMatchCallback() { 2575 @Override 2576 public void matchesFound(Map<String, RecipientEntry> entries) { 2577 final ArrayList<DrawableRecipientChip> replacements = 2578 new ArrayList<DrawableRecipientChip>(); 2579 for (final DrawableRecipientChip temp : recipients) { 2580 RecipientEntry entry = null; 2581 if (temp != null && RecipientEntry.isCreatedRecipient( 2582 temp.getEntry().getContactId()) 2583 && getSpannable().getSpanStart(temp) != -1) { 2584 // Replace this. 2585 entry = createValidatedEntry( 2586 entries.get(tokenizeAddress(temp.getEntry() 2587 .getDestination()))); 2588 } 2589 if (entry != null) { 2590 replacements.add(createFreeChip(entry)); 2591 } else { 2592 replacements.add(null); 2593 } 2594 } 2595 processReplacements(recipients, replacements); 2596 } 2597 2598 @Override 2599 public void matchesNotFound(final Set<String> unfoundAddresses) { 2600 final List<DrawableRecipientChip> replacements = 2601 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2602 2603 for (final DrawableRecipientChip temp : recipients) { 2604 if (temp != null && RecipientEntry.isCreatedRecipient( 2605 temp.getEntry().getContactId()) 2606 && getSpannable().getSpanStart(temp) != -1) { 2607 if (unfoundAddresses.contains( 2608 temp.getEntry().getDestination())) { 2609 replacements.add(createFreeChip(temp.getEntry())); 2610 } else { 2611 replacements.add(null); 2612 } 2613 } else { 2614 replacements.add(null); 2615 } 2616 } 2617 2618 processReplacements(recipients, replacements); 2619 } 2620 }); 2621 return null; 2622 } 2623 2624 private void processReplacements(final List<DrawableRecipientChip> recipients, 2625 final List<DrawableRecipientChip> replacements) { 2626 if (replacements != null && replacements.size() > 0) { 2627 final Runnable runnable = new Runnable() { 2628 @Override 2629 public void run() { 2630 final Editable text = new SpannableStringBuilder(getText()); 2631 int i = 0; 2632 for (final DrawableRecipientChip chip : recipients) { 2633 final DrawableRecipientChip replacement = replacements.get(i); 2634 if (replacement != null) { 2635 final RecipientEntry oldEntry = chip.getEntry(); 2636 final RecipientEntry newEntry = replacement.getEntry(); 2637 final boolean isBetter = 2638 RecipientAlternatesAdapter.getBetterRecipient( 2639 oldEntry, newEntry) == newEntry; 2640 2641 if (isBetter) { 2642 // Find the location of the chip in the text currently shown. 2643 final int start = text.getSpanStart(chip); 2644 if (start != -1) { 2645 // Replacing the entirety of what the chip represented, 2646 // including the extra space dividing it from other chips. 2647 final int end = 2648 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2649 text.removeSpan(chip); 2650 // Make sure we always have just 1 space at the end to 2651 // separate this chip from the next chip. 2652 final SpannableString displayText = 2653 new SpannableString(createAddressText( 2654 replacement.getEntry()).trim() + " "); 2655 displayText.setSpan(replacement, 0, 2656 displayText.length() - 1, 2657 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2658 // Replace the old text we found with with the new display 2659 // text, which now may also contain the display name of the 2660 // recipient. 2661 text.replace(start, end, displayText); 2662 replacement.setOriginalText(displayText.toString()); 2663 replacements.set(i, null); 2664 2665 recipients.set(i, replacement); 2666 } 2667 } 2668 } 2669 i++; 2670 } 2671 setText(text); 2672 } 2673 }; 2674 2675 if (Looper.myLooper() == Looper.getMainLooper()) { 2676 runnable.run(); 2677 } else { 2678 mHandler.post(runnable); 2679 } 2680 } 2681 } 2682 } 2683 2684 private class IndividualReplacementTask 2685 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2686 @Override 2687 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2688 // For each chip in the list, look up the matching contact. 2689 // If there is a match, replace that chip with the matching 2690 // chip. 2691 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2692 ArrayList<String> addresses = new ArrayList<String>(); 2693 DrawableRecipientChip chip; 2694 for (int i = 0; i < originalRecipients.size(); i++) { 2695 chip = originalRecipients.get(i); 2696 if (chip != null) { 2697 addresses.add(createAddressText(chip.getEntry())); 2698 } 2699 } 2700 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2701 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2702 adapter.getAccount(), 2703 new RecipientMatchCallback() { 2704 2705 @Override 2706 public void matchesFound(Map<String, RecipientEntry> entries) { 2707 for (final DrawableRecipientChip temp : originalRecipients) { 2708 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2709 .getContactId()) 2710 && getSpannable().getSpanStart(temp) != -1) { 2711 // Replace this. 2712 final RecipientEntry entry = createValidatedEntry(entries 2713 .get(tokenizeAddress(temp.getEntry().getDestination()) 2714 .toLowerCase())); 2715 if (entry != null) { 2716 mHandler.post(new Runnable() { 2717 @Override 2718 public void run() { 2719 replaceChip(temp, entry); 2720 } 2721 }); 2722 } 2723 } 2724 } 2725 } 2726 2727 @Override 2728 public void matchesNotFound(final Set<String> unfoundAddresses) { 2729 // No action required 2730 } 2731 }); 2732 return null; 2733 } 2734 } 2735 2736 2737 /** 2738 * MoreImageSpan is a simple class created for tracking the existence of a 2739 * more chip across activity restarts/ 2740 */ 2741 private class MoreImageSpan extends ImageSpan { 2742 public MoreImageSpan(Drawable b) { 2743 super(b); 2744 } 2745 } 2746 2747 @Override 2748 public boolean onDown(MotionEvent e) { 2749 return false; 2750 } 2751 2752 @Override 2753 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2754 // Do nothing. 2755 return false; 2756 } 2757 2758 @Override 2759 public void onLongPress(MotionEvent event) { 2760 if (mSelectedChip != null) { 2761 return; 2762 } 2763 float x = event.getX(); 2764 float y = event.getY(); 2765 final int offset = putOffsetInRange(x, y); 2766 DrawableRecipientChip currentChip = findChip(offset); 2767 if (currentChip != null) { 2768 if (mDragEnabled) { 2769 // Start drag-and-drop for the selected chip. 2770 startDrag(currentChip); 2771 } else { 2772 // Copy the selected chip email address. 2773 showCopyDialog(currentChip.getEntry().getDestination()); 2774 } 2775 } 2776 } 2777 2778 // The following methods are used to provide some functionality on older versions of Android 2779 // These methods were copied out of JB MR2's TextView 2780 ///////////////////////////////////////////////// 2781 private int supportGetOffsetForPosition(float x, float y) { 2782 if (getLayout() == null) return -1; 2783 final int line = supportGetLineAtCoordinate(y); 2784 final int offset = supportGetOffsetAtCoordinate(line, x); 2785 return offset; 2786 } 2787 2788 private float supportConvertToLocalHorizontalCoordinate(float x) { 2789 x -= getTotalPaddingLeft(); 2790 // Clamp the position to inside of the view. 2791 x = Math.max(0.0f, x); 2792 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2793 x += getScrollX(); 2794 return x; 2795 } 2796 2797 private int supportGetLineAtCoordinate(float y) { 2798 y -= getTotalPaddingLeft(); 2799 // Clamp the position to inside of the view. 2800 y = Math.max(0.0f, y); 2801 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2802 y += getScrollY(); 2803 return getLayout().getLineForVertical((int) y); 2804 } 2805 2806 private int supportGetOffsetAtCoordinate(int line, float x) { 2807 x = supportConvertToLocalHorizontalCoordinate(x); 2808 return getLayout().getOffsetForHorizontal(line, x); 2809 } 2810 ///////////////////////////////////////////////// 2811 2812 /** 2813 * Enables drag-and-drop for chips. 2814 */ 2815 public void enableDrag() { 2816 mDragEnabled = true; 2817 } 2818 2819 /** 2820 * Starts drag-and-drop for the selected chip. 2821 */ 2822 private void startDrag(DrawableRecipientChip currentChip) { 2823 String address = currentChip.getEntry().getDestination(); 2824 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2825 2826 // Start drag mode. 2827 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2828 2829 // Remove the current chip, so drag-and-drop will result in a move. 2830 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2831 removeChip(currentChip); 2832 } 2833 2834 /** 2835 * Handles drag event. 2836 */ 2837 @Override 2838 public boolean onDragEvent(DragEvent event) { 2839 switch (event.getAction()) { 2840 case DragEvent.ACTION_DRAG_STARTED: 2841 // Only handle plain text drag and drop. 2842 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2843 case DragEvent.ACTION_DRAG_ENTERED: 2844 requestFocus(); 2845 return true; 2846 case DragEvent.ACTION_DROP: 2847 handlePasteClip(event.getClipData()); 2848 return true; 2849 } 2850 return false; 2851 } 2852 2853 /** 2854 * Drag shadow for a {@link RecipientChip}. 2855 */ 2856 private final class RecipientChipShadow extends DragShadowBuilder { 2857 private final DrawableRecipientChip mChip; 2858 2859 public RecipientChipShadow(DrawableRecipientChip chip) { 2860 mChip = chip; 2861 } 2862 2863 @Override 2864 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2865 Rect rect = mChip.getBounds(); 2866 shadowSize.set(rect.width(), rect.height()); 2867 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2868 } 2869 2870 @Override 2871 public void onDrawShadow(Canvas canvas) { 2872 mChip.draw(canvas); 2873 } 2874 } 2875 2876 private void showCopyDialog(final String address) { 2877 if (!mAttachedToWindow) { 2878 return; 2879 } 2880 mCopyAddress = address; 2881 mCopyDialog.setTitle(address); 2882 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2883 mCopyDialog.setCancelable(true); 2884 mCopyDialog.setCanceledOnTouchOutside(true); 2885 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2886 button.setOnClickListener(this); 2887 int btnTitleId; 2888 if (isPhoneQuery()) { 2889 btnTitleId = R.string.copy_number; 2890 } else { 2891 btnTitleId = R.string.copy_email; 2892 } 2893 String buttonTitle = getContext().getResources().getString(btnTitleId); 2894 button.setText(buttonTitle); 2895 mCopyDialog.setOnDismissListener(this); 2896 mCopyDialog.show(); 2897 } 2898 2899 @Override 2900 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2901 // Do nothing. 2902 return false; 2903 } 2904 2905 @Override 2906 public void onShowPress(MotionEvent e) { 2907 // Do nothing. 2908 } 2909 2910 @Override 2911 public boolean onSingleTapUp(MotionEvent e) { 2912 // Do nothing. 2913 return false; 2914 } 2915 2916 @Override 2917 public void onDismiss(DialogInterface dialog) { 2918 mCopyAddress = null; 2919 } 2920 2921 @Override 2922 public void onClick(View v) { 2923 // Copy this to the clipboard. 2924 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2925 Context.CLIPBOARD_SERVICE); 2926 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2927 mCopyDialog.dismiss(); 2928 } 2929 2930 protected boolean isPhoneQuery() { 2931 return getAdapter() != null 2932 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2933 } 2934 2935 @Override 2936 public BaseRecipientAdapter getAdapter() { 2937 return (BaseRecipientAdapter) super.getAdapter(); 2938 } 2939} 2940