RecipientEditTextView.java revision 52e4814f46230835ed48d7561de8359b79b978cd
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.Collections; 95import java.util.Comparator; 96import java.util.List; 97import java.util.Map; 98import java.util.Set; 99import java.util.regex.Matcher; 100import java.util.regex.Pattern; 101 102/** 103 * RecipientEditTextView is an auto complete text view for use with applications 104 * that use the new Chips UI for addressing a message to recipients. 105 */ 106public class RecipientEditTextView extends MultiAutoCompleteTextView implements 107 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 108 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 109 TextView.OnEditorActionListener { 110 111 private static final char COMMIT_CHAR_COMMA = ','; 112 113 private static final char COMMIT_CHAR_SEMICOLON = ';'; 114 115 private static final char COMMIT_CHAR_SPACE = ' '; 116 117 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 118 + String.valueOf(COMMIT_CHAR_SPACE); 119 120 private static final String TAG = "RecipientEditTextView"; 121 122 private static final int DISMISS = "dismiss".hashCode(); 123 124 private static final long DISMISS_DELAY = 300; 125 126 // TODO: get correct number/ algorithm from with UX. 127 // Visible for testing. 128 /*package*/ static final int CHIP_LIMIT = 2; 129 130 private static final int MAX_CHIPS_PARSED = 50; 131 132 private static int sSelectedTextColor = -1; 133 134 // Resources for displaying chips. 135 private Drawable mChipBackground = null; 136 137 private Drawable mChipDelete = null; 138 139 private Drawable mInvalidChipBackground; 140 141 private Drawable mChipBackgroundPressed; 142 143 private float mChipHeight; 144 145 private float mChipFontSize; 146 147 private float mLineSpacingExtra; 148 149 private int mChipPadding; 150 151 /** 152 * Enumerator for avatar position. See attr.xml for more details. 153 * 0 for end, 1 for start. 154 */ 155 private int mAvatarPosition; 156 157 private static final int AVATAR_POSITION_END = 0; 158 159 private static final int AVATAR_POSITION_START = 1; 160 161 /** 162 * Enumerator for image span alignment. See attr.xml for more details. 163 * 0 for bottom, 1 for baseline. 164 */ 165 private int mImageSpanAlignment; 166 167 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 168 169 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 170 171 172 private boolean mDisableDelete; 173 174 private Tokenizer mTokenizer; 175 176 private Validator mValidator; 177 178 private DrawableRecipientChip mSelectedChip; 179 180 private Bitmap mDefaultContactPhoto; 181 182 private ImageSpan mMoreChip; 183 184 private TextView mMoreItem; 185 186 // VisibleForTesting 187 final ArrayList<String> mPendingChips = new ArrayList<String>(); 188 189 private Handler mHandler; 190 191 private int mPendingChipsCount = 0; 192 193 private boolean mNoChips = false; 194 195 private ListPopupWindow mAlternatesPopup; 196 197 private ListPopupWindow mAddressPopup; 198 199 // VisibleForTesting 200 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 201 202 private ArrayList<DrawableRecipientChip> mRemovedSpans; 203 204 private boolean mShouldShrink = true; 205 206 // Chip copy fields. 207 private GestureDetector mGestureDetector; 208 209 private Dialog mCopyDialog; 210 211 private String mCopyAddress; 212 213 /** 214 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 215 * selected chip. 216 */ 217 private OnItemClickListener mAlternatesListener; 218 219 private int mCheckedItem; 220 221 private TextWatcher mTextWatcher; 222 223 // Obtain the enclosing scroll view, if it exists, so that the view can be 224 // scrolled to show the last line of chips content. 225 private ScrollView mScrollView; 226 227 private boolean mTriedGettingScrollView; 228 229 private boolean mDragEnabled = false; 230 231 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 232 // parens, so numbers such as "1 (425) 222-2342" match. 233 private static final Pattern PHONE_PATTERN 234 = Pattern.compile( // sdd = space, dot, or dash 235 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 236 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 237 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 238 239 private final Runnable mAddTextWatcher = new Runnable() { 240 @Override 241 public void run() { 242 if (mTextWatcher == null) { 243 mTextWatcher = new RecipientTextWatcher(); 244 addTextChangedListener(mTextWatcher); 245 } 246 } 247 }; 248 249 private IndividualReplacementTask mIndividualReplacements; 250 251 private Runnable mHandlePendingChips = new Runnable() { 252 253 @Override 254 public void run() { 255 handlePendingChips(); 256 } 257 258 }; 259 260 private Runnable mDelayedShrink = new Runnable() { 261 262 @Override 263 public void run() { 264 shrink(); 265 } 266 267 }; 268 269 private int mMaxLines; 270 271 private static int sExcessTopPadding = -1; 272 273 private int mActionBarHeight; 274 275 private boolean mAttachedToWindow; 276 277 private DropdownChipLayouter mDropdownChipLayouter; 278 279 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 280 281 public interface RecipientEntryItemClickedListener { 282 /** 283 * Callback that occurs whenever an auto-complete suggestion is clicked. 284 * @param charactersTyped the number of characters typed by the user to provide the 285 * auto-complete suggestions. 286 * @param position the position in the dropdown list that the user clicked 287 */ 288 void onRecipientEntryItemClicked(int charactersTyped, int position); 289 } 290 291 public RecipientEditTextView(Context context, AttributeSet attrs) { 292 super(context, attrs); 293 setChipDimensions(context, attrs); 294 if (sSelectedTextColor == -1) { 295 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 296 } 297 mAlternatesPopup = new ListPopupWindow(context); 298 mAddressPopup = new ListPopupWindow(context); 299 mCopyDialog = new Dialog(context); 300 mAlternatesListener = new OnItemClickListener() { 301 @Override 302 public void onItemClick(AdapterView<?> adapterView,View view, int position, 303 long rowId) { 304 mAlternatesPopup.setOnItemClickListener(null); 305 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 306 .getRecipientEntry(position)); 307 Message delayed = Message.obtain(mHandler, DISMISS); 308 delayed.obj = mAlternatesPopup; 309 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 310 clearComposingText(); 311 } 312 }; 313 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 314 setOnItemClickListener(this); 315 setCustomSelectionActionModeCallback(this); 316 mHandler = new Handler() { 317 @Override 318 public void handleMessage(Message msg) { 319 if (msg.what == DISMISS) { 320 ((ListPopupWindow) msg.obj).dismiss(); 321 return; 322 } 323 super.handleMessage(msg); 324 } 325 }; 326 mTextWatcher = new RecipientTextWatcher(); 327 addTextChangedListener(mTextWatcher); 328 mGestureDetector = new GestureDetector(context, this); 329 setOnEditorActionListener(this); 330 331 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 332 } 333 334 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 335 mDropdownChipLayouter = dropdownChipLayouter; 336 } 337 338 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 339 mRecipientEntryItemClickedListener = listener; 340 } 341 342 @Override 343 protected void onDetachedFromWindow() { 344 super.onDetachedFromWindow(); 345 mAttachedToWindow = false; 346 } 347 348 @Override 349 protected void onAttachedToWindow() { 350 super.onAttachedToWindow(); 351 mAttachedToWindow = true; 352 } 353 354 @Override 355 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 356 if (action == EditorInfo.IME_ACTION_DONE) { 357 if (commitDefault()) { 358 return true; 359 } 360 if (mSelectedChip != null) { 361 clearSelectedChip(); 362 return true; 363 } else if (focusNext()) { 364 return true; 365 } 366 } 367 return false; 368 } 369 370 @Override 371 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 372 InputConnection connection = super.onCreateInputConnection(outAttrs); 373 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 374 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 375 // clear the existing action 376 outAttrs.imeOptions ^= imeActions; 377 // set the DONE action 378 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 379 } 380 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 381 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 382 } 383 384 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 385 outAttrs.actionLabel = getContext().getString(R.string.done); 386 return connection; 387 } 388 389 /*package*/ DrawableRecipientChip getLastChip() { 390 DrawableRecipientChip last = null; 391 DrawableRecipientChip[] chips = getSortedRecipients(); 392 if (chips != null && chips.length > 0) { 393 last = chips[chips.length - 1]; 394 } 395 return last; 396 } 397 398 /** 399 * @return The list of {@link RecipientEntry}s that have been selected by the user. 400 */ 401 public List<RecipientEntry> getSelectedRecipients() { 402 DrawableRecipientChip[] chips = 403 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 404 List<RecipientEntry> results = new ArrayList(); 405 if (chips == null) { 406 return results; 407 } 408 409 for (DrawableRecipientChip c : chips) { 410 results.add(c.getEntry()); 411 } 412 413 return results; 414 } 415 416 @Override 417 public void onSelectionChanged(int start, int end) { 418 // When selection changes, see if it is inside the chips area. 419 // If so, move the cursor back after the chips again. 420 DrawableRecipientChip last = getLastChip(); 421 if (last != null && start < getSpannable().getSpanEnd(last)) { 422 // Grab the last chip and set the cursor to after it. 423 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 424 } 425 super.onSelectionChanged(start, end); 426 } 427 428 @Override 429 public void onRestoreInstanceState(Parcelable state) { 430 if (!TextUtils.isEmpty(getText())) { 431 super.onRestoreInstanceState(null); 432 } else { 433 super.onRestoreInstanceState(state); 434 } 435 } 436 437 @Override 438 public Parcelable onSaveInstanceState() { 439 // If the user changes orientation while they are editing, just roll back the selection. 440 clearSelectedChip(); 441 return super.onSaveInstanceState(); 442 } 443 444 /** 445 * Convenience method: Append the specified text slice to the TextView's 446 * display buffer, upgrading it to BufferType.EDITABLE if it was 447 * not already editable. Commas are excluded as they are added automatically 448 * by the view. 449 */ 450 @Override 451 public void append(CharSequence text, int start, int end) { 452 // We don't care about watching text changes while appending. 453 if (mTextWatcher != null) { 454 removeTextChangedListener(mTextWatcher); 455 } 456 super.append(text, start, end); 457 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 458 String displayString = text.toString(); 459 460 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 461 // We have no separator, so we should add it 462 super.append(SEPARATOR, 0, SEPARATOR.length()); 463 displayString += SEPARATOR; 464 } 465 466 if (!TextUtils.isEmpty(displayString) 467 && TextUtils.getTrimmedLength(displayString) > 0) { 468 mPendingChipsCount++; 469 mPendingChips.add(displayString); 470 } 471 } 472 // Put a message on the queue to make sure we ALWAYS handle pending 473 // chips. 474 if (mPendingChipsCount > 0) { 475 postHandlePendingChips(); 476 } 477 mHandler.post(mAddTextWatcher); 478 } 479 480 @Override 481 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 482 super.onFocusChanged(hasFocus, direction, previous); 483 if (!hasFocus) { 484 shrink(); 485 } else { 486 expand(); 487 } 488 } 489 490 private int getExcessTopPadding() { 491 if (sExcessTopPadding == -1) { 492 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 493 } 494 return sExcessTopPadding; 495 } 496 497 @Override 498 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 499 super.setAdapter(adapter); 500 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 501 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 502 @Override 503 public void onChanged(List<RecipientEntry> entries) { 504 // Scroll the chips field to the top of the screen so 505 // that the user can see as many results as possible. 506 if (entries != null && entries.size() > 0) { 507 scrollBottomIntoView(); 508 } 509 } 510 }); 511 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 512 } 513 514 protected void scrollBottomIntoView() { 515 if (mScrollView != null && mShouldShrink) { 516 int[] location = new int[2]; 517 getLocationOnScreen(location); 518 int height = getHeight(); 519 int currentPos = location[1] + height; 520 // Desired position shows at least 1 line of chips below the action 521 // bar. We add excess padding to make sure this is always below other 522 // content. 523 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 524 if (currentPos > desiredPos) { 525 mScrollView.scrollBy(0, currentPos - desiredPos); 526 } 527 } 528 } 529 530 protected ScrollView getScrollView() { 531 return mScrollView; 532 } 533 534 @Override 535 public void performValidation() { 536 // Do nothing. Chips handles its own validation. 537 } 538 539 private void shrink() { 540 if (mTokenizer == null) { 541 return; 542 } 543 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 544 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 545 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 546 clearSelectedChip(); 547 } else { 548 if (getWidth() <= 0) { 549 // We don't have the width yet which means the view hasn't been drawn yet 550 // and there is no reason to attempt to commit chips yet. 551 // This focus lost must be the result of an orientation change 552 // or an initial rendering. 553 // Re-post the shrink for later. 554 mHandler.removeCallbacks(mDelayedShrink); 555 mHandler.post(mDelayedShrink); 556 return; 557 } 558 // Reset any pending chips as they would have been handled 559 // when the field lost focus. 560 if (mPendingChipsCount > 0) { 561 postHandlePendingChips(); 562 } else { 563 Editable editable = getText(); 564 int end = getSelectionEnd(); 565 int start = mTokenizer.findTokenStart(editable, end); 566 DrawableRecipientChip[] chips = 567 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 568 if ((chips == null || chips.length == 0)) { 569 Editable text = getText(); 570 int whatEnd = mTokenizer.findTokenEnd(text, start); 571 // This token was already tokenized, so skip past the ending token. 572 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 573 whatEnd = movePastTerminators(whatEnd); 574 } 575 // In the middle of chip; treat this as an edit 576 // and commit the whole token. 577 int selEnd = getSelectionEnd(); 578 if (whatEnd != selEnd) { 579 handleEdit(start, whatEnd); 580 } else { 581 commitChip(start, end, editable); 582 } 583 } 584 } 585 mHandler.post(mAddTextWatcher); 586 } 587 createMoreChip(); 588 } 589 590 private void expand() { 591 if (mShouldShrink) { 592 setMaxLines(Integer.MAX_VALUE); 593 } 594 removeMoreChip(); 595 setCursorVisible(true); 596 Editable text = getText(); 597 setSelection(text != null && text.length() > 0 ? text.length() : 0); 598 // If there are any temporary chips, try replacing them now that the user 599 // has expanded the field. 600 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 601 new RecipientReplacementTask().execute(); 602 mTemporaryRecipients = null; 603 } 604 } 605 606 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 607 paint.setTextSize(mChipFontSize); 608 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 609 Log.d(TAG, "Max width is negative: " + maxWidth); 610 } 611 return TextUtils.ellipsize(text, paint, maxWidth, 612 TextUtils.TruncateAt.END); 613 } 614 615 /** 616 * Creates a bitmap of the given contact on a selected chip. 617 * 618 * @param contact The recipient entry to pull data from. 619 * @param paint The paint to use to draw the bitmap. 620 */ 621 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 622 paint.setColor(sSelectedTextColor); 623 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 624 mChipBackgroundPressed); 625 626 if (bitmapContainer.loadIcon) { 627 if (mDisableDelete) { 628 // Show the avatar instead if we don't want to delete 629 loadAvatarIcon(contact, bitmapContainer, paint); 630 } else { 631 drawIcon(bitmapContainer, ((BitmapDrawable) mChipDelete).getBitmap(), paint); 632 } 633 } 634 635 return bitmapContainer.bitmap; 636 } 637 638 /** 639 * Creates a bitmap of the given contact on a selected chip. 640 * 641 * @param contact The recipient entry to pull data from. 642 * @param paint The paint to use to draw the bitmap. 643 */ 644 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 645 Drawable background = getChipBackground(contact); 646 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 647 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, background); 648 649 if (bitmapContainer.loadIcon) { 650 loadAvatarIcon(contact, bitmapContainer, paint); 651 } 652 return bitmapContainer.bitmap; 653 } 654 655 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 656 Drawable background) { 657 final ChipBitmapContainer result = new ChipBitmapContainer(); 658 659 if (background == null) { 660 Log.w(TAG, "Unable to draw a background for the chip as it was never set"); 661 result.bitmap = Bitmap.createBitmap( 662 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 663 result.loadIcon = false; 664 return result; 665 } 666 667 Rect backgroundPadding = new Rect(); 668 background.getPadding(backgroundPadding); 669 670 // Ellipsize the text so that it takes AT MOST the entire width of the 671 // autocomplete text entry area. Make sure to leave space for padding 672 // on the sides. 673 int height = (int) mChipHeight; 674 // Since the icon is a square, it's width is equal to the maximum height it can be inside 675 // the chip. 676 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 677 float[] widths = new float[1]; 678 paint.getTextWidths(" ", widths); 679 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 680 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 681 - backgroundPadding.right);; 682 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 683 684 // Make sure there is a minimum chip width so the user can ALWAYS 685 // tap a chip without difficulty. 686 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 687 + backgroundPadding.left + backgroundPadding.right); 688 689 // Create the background of the chip. 690 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 691 final Canvas canvas = new Canvas(result.bitmap); 692 693 // Draw the background drawable 694 background.setBounds(0, 0, width, height); 695 background.draw(canvas); 696 // Draw the text vertically aligned 697 int textX = shouldPositionAvatarOnRight() ? 698 mChipPadding + backgroundPadding.left : 699 width - backgroundPadding.right - mChipPadding - textWidth; 700 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 701 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 702 703 // Set the variables that are needed to draw the icon bitmap once it's loaded 704 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 705 backgroundPadding.left; 706 result.left = iconX; 707 result.top = backgroundPadding.top; 708 result.right = iconX + iconWidth; 709 result.bottom = height - backgroundPadding.bottom; 710 711 return result; 712 } 713 714 /** 715 * Helper function that draws the loaded icon bitmap into the chips bitmap 716 */ 717 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon, Paint paint) { 718 final Canvas canvas = new Canvas(bitMapResult.bitmap); 719 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 720 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 721 bitMapResult.bottom); 722 drawIconOnCanvas(icon, canvas, paint, src, dst); 723 } 724 725 /** 726 * Returns true if the avatar should be positioned at the right edge of the chip. 727 * Takes into account both the set avatar position (start or end) as well as whether 728 * the layout direction is LTR or RTL. 729 */ 730 private boolean shouldPositionAvatarOnRight() { 731 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 732 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 733 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 734 // If in Rtl mode, the position should be flipped. 735 return isRtl ? !assignedPosition : assignedPosition; 736 } 737 738 /** 739 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 740 * draw an icon for this recipient. 741 */ 742 private void loadAvatarIcon(final RecipientEntry contact, 743 final ChipBitmapContainer bitmapContainer, final Paint paint) { 744 // Don't draw photos for recipients that have been typed in OR generated on the fly. 745 long contactId = contact.getContactId(); 746 boolean drawPhotos = isPhoneQuery() ? 747 contactId != RecipientEntry.INVALID_CONTACT 748 : (contactId != RecipientEntry.INVALID_CONTACT 749 && (contactId != RecipientEntry.GENERATED_CONTACT && 750 !TextUtils.isEmpty(contact.getDisplayName()))); 751 752 if (drawPhotos) { 753 final byte[] origPhotoBytes = contact.getPhotoBytes(); 754 // There may not be a photo yet if anything but the first contact address 755 // was selected. 756 if (origPhotoBytes == null) { 757 // TODO: cache this in the recipient entry? 758 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 759 @Override 760 public void onPhotoBytesAsynchronouslyPopulated() { 761 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 762 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 763 loadedPhotoBytes.length); 764 tryDrawAndInvalidate(icon); 765 } 766 767 @Override 768 public void onPhotoBytesAsyncLoadFailed() { 769 // TODO: can the scaled down default photo be cached? 770 tryDrawAndInvalidate(mDefaultContactPhoto); 771 } 772 773 private void tryDrawAndInvalidate(Bitmap icon) { 774 drawIcon(bitmapContainer, icon, paint); 775 // The caller might originated from a background task. However, if the 776 // background task has already completed, the view might be already drawn 777 // on the UI but the callback would happen on the background thread. 778 // So if we are on a background thread, post an invalidate call to the UI. 779 if (Looper.myLooper() == Looper.getMainLooper()) { 780 // The view might not redraw itself since it's loaded asynchronously 781 invalidate(); 782 } else { 783 post(new Runnable() { 784 @Override 785 public void run() { 786 invalidate(); 787 } 788 }); 789 } 790 } 791 }); 792 } else { 793 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 794 origPhotoBytes.length); 795 drawIcon(bitmapContainer, icon, paint); 796 } 797 } 798 } 799 800 /** 801 * Get the background drawable for a RecipientChip. 802 */ 803 // Visible for testing. 804 /* package */Drawable getChipBackground(RecipientEntry contact) { 805 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 806 } 807 808 /** 809 * Given a height, returns a Y offset that will draw the text in the middle of the height. 810 */ 811 protected float getTextYOffset(String text, TextPaint paint, int height) { 812 Rect bounds = new Rect(); 813 paint.getTextBounds(text, 0, text.length(), bounds); 814 int textHeight = bounds.bottom - bounds.top ; 815 return height - ((height - textHeight) / 2) - (int)paint.descent(); 816 } 817 818 /** 819 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 820 * rectangle of the canvas. 821 */ 822 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 823 Matrix matrix = new Matrix(); 824 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 825 canvas.drawBitmap(icon, matrix, paint); 826 } 827 828 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 829 throws NullPointerException { 830 if (mChipBackground == null) { 831 throw new NullPointerException( 832 "Unable to render any chips as setChipDimensions was not called."); 833 } 834 835 TextPaint paint = getPaint(); 836 float defaultSize = paint.getTextSize(); 837 int defaultColor = paint.getColor(); 838 839 Bitmap tmpBitmap; 840 if (pressed) { 841 tmpBitmap = createSelectedChip(contact, paint); 842 843 } else { 844 tmpBitmap = createUnselectedChip(contact, paint); 845 } 846 847 // Pass the full text, un-ellipsized, to the chip. 848 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 849 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 850 DrawableRecipientChip recipientChip = 851 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 852 // Return text to the original size. 853 paint.setTextSize(defaultSize); 854 paint.setColor(defaultColor); 855 return recipientChip; 856 } 857 858 private int getImageSpanAlignment() { 859 switch (mImageSpanAlignment) { 860 case IMAGE_SPAN_ALIGNMENT_BASELINE: 861 return ImageSpan.ALIGN_BASELINE; 862 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 863 return ImageSpan.ALIGN_BOTTOM; 864 default: 865 return ImageSpan.ALIGN_BOTTOM; 866 } 867 } 868 869 /** 870 * Calculate the bottom of the line the chip will be located on using: 871 * 1) which line the chip appears on 872 * 2) the height of a chip 873 * 3) padding built into the edit text view 874 */ 875 private int calculateOffsetFromBottom(int line) { 876 // Line offsets start at zero. 877 int actualLine = getLineCount() - (line + 1); 878 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 879 + getDropDownVerticalOffset(); 880 } 881 882 /** 883 * Get the max amount of space a chip can take up. The formula takes into 884 * account the width of the EditTextView, any view padding, and padding 885 * that will be added to the chip. 886 */ 887 private float calculateAvailableWidth() { 888 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 889 } 890 891 892 private void setChipDimensions(Context context, AttributeSet attrs) { 893 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 894 0); 895 Resources r = getContext().getResources(); 896 897 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 898 if (mChipBackground == null) { 899 mChipBackground = r.getDrawable(R.drawable.chip_background); 900 } 901 mChipBackgroundPressed = a 902 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 903 if (mChipBackgroundPressed == null) { 904 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 905 } 906 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 907 if (mChipDelete == null) { 908 mChipDelete = r.getDrawable(R.drawable.chip_delete); 909 } 910 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 911 if (mChipPadding == -1) { 912 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 913 } 914 915 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 916 917 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 918 919 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 920 if (mChipHeight == -1) { 921 mChipHeight = r.getDimension(R.dimen.chip_height); 922 } 923 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 924 if (mChipFontSize == -1) { 925 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 926 } 927 mInvalidChipBackground = a 928 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 929 if (mInvalidChipBackground == null) { 930 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 931 } 932 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 933 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 934 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 935 936 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 937 mMaxLines = r.getInteger(R.integer.chips_max_lines); 938 TypedValue tv = new TypedValue(); 939 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 940 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 941 .getDisplayMetrics()); 942 } 943 944 a.recycle(); 945 } 946 947 // Visible for testing. 948 /* package */ void setMoreItem(TextView moreItem) { 949 mMoreItem = moreItem; 950 } 951 952 953 // Visible for testing. 954 /* package */ void setChipBackground(Drawable chipBackground) { 955 mChipBackground = chipBackground; 956 } 957 958 // Visible for testing. 959 /* package */ void setChipHeight(int height) { 960 mChipHeight = height; 961 } 962 963 public float getChipHeight() { 964 return mChipHeight; 965 } 966 967 /** 968 * Set whether to shrink the recipients field such that at most 969 * one line of recipients chips are shown when the field loses 970 * focus. By default, the number of displayed recipients will be 971 * limited and a "more" chip will be shown when focus is lost. 972 * @param shrink 973 */ 974 public void setOnFocusListShrinkRecipients(boolean shrink) { 975 mShouldShrink = shrink; 976 } 977 978 @Override 979 public void onSizeChanged(int width, int height, int oldw, int oldh) { 980 super.onSizeChanged(width, height, oldw, oldh); 981 if (width != 0 && height != 0) { 982 if (mPendingChipsCount > 0) { 983 postHandlePendingChips(); 984 } else { 985 checkChipWidths(); 986 } 987 } 988 // Try to find the scroll view parent, if it exists. 989 if (mScrollView == null && !mTriedGettingScrollView) { 990 ViewParent parent = getParent(); 991 while (parent != null && !(parent instanceof ScrollView)) { 992 parent = parent.getParent(); 993 } 994 if (parent != null) { 995 mScrollView = (ScrollView) parent; 996 } 997 mTriedGettingScrollView = true; 998 } 999 } 1000 1001 private void postHandlePendingChips() { 1002 mHandler.removeCallbacks(mHandlePendingChips); 1003 mHandler.post(mHandlePendingChips); 1004 } 1005 1006 private void checkChipWidths() { 1007 // Check the widths of the associated chips. 1008 DrawableRecipientChip[] chips = getSortedRecipients(); 1009 if (chips != null) { 1010 Rect bounds; 1011 for (DrawableRecipientChip chip : chips) { 1012 bounds = chip.getBounds(); 1013 if (getWidth() > 0 && bounds.right - bounds.left > 1014 getWidth() - getPaddingLeft() - getPaddingRight()) { 1015 // Need to redraw that chip. 1016 replaceChip(chip, chip.getEntry()); 1017 } 1018 } 1019 } 1020 } 1021 1022 // Visible for testing. 1023 /*package*/ void handlePendingChips() { 1024 if (getViewWidth() <= 0) { 1025 // The widget has not been sized yet. 1026 // This will be called as a result of onSizeChanged 1027 // at a later point. 1028 return; 1029 } 1030 if (mPendingChipsCount <= 0) { 1031 return; 1032 } 1033 1034 synchronized (mPendingChips) { 1035 Editable editable = getText(); 1036 // Tokenize! 1037 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1038 for (int i = 0; i < mPendingChips.size(); i++) { 1039 String current = mPendingChips.get(i); 1040 int tokenStart = editable.toString().indexOf(current); 1041 // Always leave a space at the end between tokens. 1042 int tokenEnd = tokenStart + current.length() - 1; 1043 if (tokenStart >= 0) { 1044 // When we have a valid token, include it with the token 1045 // to the left. 1046 if (tokenEnd < editable.length() - 2 1047 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1048 tokenEnd++; 1049 } 1050 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1051 || !mShouldShrink); 1052 } 1053 mPendingChipsCount--; 1054 } 1055 sanitizeEnd(); 1056 } else { 1057 mNoChips = true; 1058 } 1059 1060 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1061 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1062 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1063 new RecipientReplacementTask().execute(); 1064 mTemporaryRecipients = null; 1065 } else { 1066 // Create the "more" chip 1067 mIndividualReplacements = new IndividualReplacementTask(); 1068 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1069 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1070 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1071 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1072 mTemporaryRecipients.subList(CHIP_LIMIT, 1073 mTemporaryRecipients.size())); 1074 } else { 1075 mTemporaryRecipients = null; 1076 } 1077 createMoreChip(); 1078 } 1079 } else { 1080 // There are too many recipients to look up, so just fall back 1081 // to showing addresses for all of them. 1082 mTemporaryRecipients = null; 1083 createMoreChip(); 1084 } 1085 mPendingChipsCount = 0; 1086 mPendingChips.clear(); 1087 } 1088 } 1089 1090 // Visible for testing. 1091 /*package*/ int getViewWidth() { 1092 return getWidth(); 1093 } 1094 1095 /** 1096 * Remove any characters after the last valid chip. 1097 */ 1098 // Visible for testing. 1099 /*package*/ void sanitizeEnd() { 1100 // Don't sanitize while we are waiting for pending chips to complete. 1101 if (mPendingChipsCount > 0) { 1102 return; 1103 } 1104 // Find the last chip; eliminate any commit characters after it. 1105 DrawableRecipientChip[] chips = getSortedRecipients(); 1106 Spannable spannable = getSpannable(); 1107 if (chips != null && chips.length > 0) { 1108 int end; 1109 mMoreChip = getMoreChip(); 1110 if (mMoreChip != null) { 1111 end = spannable.getSpanEnd(mMoreChip); 1112 } else { 1113 end = getSpannable().getSpanEnd(getLastChip()); 1114 } 1115 Editable editable = getText(); 1116 int length = editable.length(); 1117 if (length > end) { 1118 // See what characters occur after that and eliminate them. 1119 if (Log.isLoggable(TAG, Log.DEBUG)) { 1120 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1121 + editable); 1122 } 1123 editable.delete(end + 1, length); 1124 } 1125 } 1126 } 1127 1128 /** 1129 * Create a chip that represents just the email address of a recipient. At some later 1130 * point, this chip will be attached to a real contact entry, if one exists. 1131 */ 1132 // VisibleForTesting 1133 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1134 boolean visible) { 1135 if (alreadyHasChip(tokenStart, tokenEnd)) { 1136 // There is already a chip present at this location. 1137 // Don't recreate it. 1138 return; 1139 } 1140 String token = editable.toString().substring(tokenStart, tokenEnd); 1141 final String trimmedToken = token.trim(); 1142 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1143 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1144 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1145 } 1146 RecipientEntry entry = createTokenizedEntry(token); 1147 if (entry != null) { 1148 DrawableRecipientChip chip = null; 1149 try { 1150 if (!mNoChips) { 1151 chip = visible ? 1152 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1153 } 1154 } catch (NullPointerException e) { 1155 Log.e(TAG, e.getMessage(), e); 1156 } 1157 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1158 // Add this chip to the list of entries "to replace" 1159 if (chip != null) { 1160 if (mTemporaryRecipients == null) { 1161 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1162 } 1163 chip.setOriginalText(token); 1164 mTemporaryRecipients.add(chip); 1165 } 1166 } 1167 } 1168 1169 private static boolean isPhoneNumber(String number) { 1170 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1171 // PhoneNumberUtil). One complication is that it requires the sender's region which 1172 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1173 if (TextUtils.isEmpty(number)) { 1174 return false; 1175 } 1176 1177 Matcher match = PHONE_PATTERN.matcher(number); 1178 return match.matches(); 1179 } 1180 1181 // VisibleForTesting 1182 RecipientEntry createTokenizedEntry(final String token) { 1183 if (TextUtils.isEmpty(token)) { 1184 return null; 1185 } 1186 if (isPhoneQuery() && isPhoneNumber(token)) { 1187 return RecipientEntry.constructFakePhoneEntry(token, true); 1188 } 1189 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1190 String display = null; 1191 boolean isValid = isValid(token); 1192 if (isValid && tokens != null && tokens.length > 0) { 1193 // If we can get a name from tokenizing, then generate an entry from 1194 // this. 1195 display = tokens[0].getName(); 1196 if (!TextUtils.isEmpty(display)) { 1197 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1198 isValid); 1199 } else { 1200 display = tokens[0].getAddress(); 1201 if (!TextUtils.isEmpty(display)) { 1202 return RecipientEntry.constructFakeEntry(display, isValid); 1203 } 1204 } 1205 } 1206 // Unable to validate the token or to create a valid token from it. 1207 // Just create a chip the user can edit. 1208 String validatedToken = null; 1209 if (mValidator != null && !isValid) { 1210 // Try fixing up the entry using the validator. 1211 validatedToken = mValidator.fixText(token).toString(); 1212 if (!TextUtils.isEmpty(validatedToken)) { 1213 if (validatedToken.contains(token)) { 1214 // protect against the case of a validator with a null 1215 // domain, 1216 // which doesn't add a domain to the token 1217 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1218 if (tokenized.length > 0) { 1219 validatedToken = tokenized[0].getAddress(); 1220 isValid = true; 1221 } 1222 } else { 1223 // We ran into a case where the token was invalid and 1224 // removed 1225 // by the validator. In this case, just use the original 1226 // token 1227 // and let the user sort out the error chip. 1228 validatedToken = null; 1229 isValid = false; 1230 } 1231 } 1232 } 1233 // Otherwise, fallback to just creating an editable email address chip. 1234 return RecipientEntry.constructFakeEntry( 1235 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1236 } 1237 1238 private boolean isValid(String text) { 1239 return mValidator == null ? true : mValidator.isValid(text); 1240 } 1241 1242 private static String tokenizeAddress(String destination) { 1243 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1244 if (tokens != null && tokens.length > 0) { 1245 return tokens[0].getAddress(); 1246 } 1247 return destination; 1248 } 1249 1250 @Override 1251 public void setTokenizer(Tokenizer tokenizer) { 1252 mTokenizer = tokenizer; 1253 super.setTokenizer(mTokenizer); 1254 } 1255 1256 @Override 1257 public void setValidator(Validator validator) { 1258 mValidator = validator; 1259 super.setValidator(validator); 1260 } 1261 1262 /** 1263 * We cannot use the default mechanism for replaceText. Instead, 1264 * we override onItemClickListener so we can get all the associated 1265 * contact information including display text, address, and id. 1266 */ 1267 @Override 1268 protected void replaceText(CharSequence text) { 1269 return; 1270 } 1271 1272 /** 1273 * Dismiss any selected chips when the back key is pressed. 1274 */ 1275 @Override 1276 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1277 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1278 clearSelectedChip(); 1279 return true; 1280 } 1281 return super.onKeyPreIme(keyCode, event); 1282 } 1283 1284 /** 1285 * Monitor key presses in this view to see if the user types 1286 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1287 * If the user has entered text that has contact matches and types 1288 * a commit key, create a chip from the topmost matching contact. 1289 * If the user has entered text that has no contact matches and types 1290 * a commit key, then create a chip from the text they have entered. 1291 */ 1292 @Override 1293 public boolean onKeyUp(int keyCode, KeyEvent event) { 1294 switch (keyCode) { 1295 case KeyEvent.KEYCODE_TAB: 1296 if (event.hasNoModifiers()) { 1297 if (mSelectedChip != null) { 1298 clearSelectedChip(); 1299 } else { 1300 commitDefault(); 1301 } 1302 } 1303 break; 1304 } 1305 return super.onKeyUp(keyCode, event); 1306 } 1307 1308 private boolean focusNext() { 1309 View next = focusSearch(View.FOCUS_DOWN); 1310 if (next != null) { 1311 next.requestFocus(); 1312 return true; 1313 } 1314 return false; 1315 } 1316 1317 /** 1318 * Create a chip from the default selection. If the popup is showing, the 1319 * default is the selected item (if one is selected), or the first item, in the popup 1320 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1321 * tokenizer should search for a token to turn into a chip. 1322 * @return If a chip was created from a real contact. 1323 */ 1324 private boolean commitDefault() { 1325 // If there is no tokenizer, don't try to commit. 1326 if (mTokenizer == null) { 1327 return false; 1328 } 1329 Editable editable = getText(); 1330 int end = getSelectionEnd(); 1331 int start = mTokenizer.findTokenStart(editable, end); 1332 1333 if (shouldCreateChip(start, end)) { 1334 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1335 // In the middle of chip; treat this as an edit 1336 // and commit the whole token. 1337 whatEnd = movePastTerminators(whatEnd); 1338 if (whatEnd != getSelectionEnd()) { 1339 handleEdit(start, whatEnd); 1340 return true; 1341 } 1342 return commitChip(start, end , editable); 1343 } 1344 return false; 1345 } 1346 1347 private void commitByCharacter() { 1348 // We can't possibly commit by character if we can't tokenize. 1349 if (mTokenizer == null) { 1350 return; 1351 } 1352 Editable editable = getText(); 1353 int end = getSelectionEnd(); 1354 int start = mTokenizer.findTokenStart(editable, end); 1355 if (shouldCreateChip(start, end)) { 1356 commitChip(start, end, editable); 1357 } 1358 setSelection(getText().length()); 1359 } 1360 1361 private boolean commitChip(int start, int end, Editable editable) { 1362 ListAdapter adapter = getAdapter(); 1363 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1364 && end == getSelectionEnd() && !isPhoneQuery()) { 1365 // let's choose the selected or first entry if only the input text is NOT an email 1366 // address so we won't try to replace the user's potentially correct but 1367 // new/unencountered email input 1368 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1369 final int selectedPosition = getListSelection(); 1370 if (selectedPosition == -1) { 1371 // Nothing is selected; use the first item 1372 submitItemAtPosition(0); 1373 } else { 1374 submitItemAtPosition(selectedPosition); 1375 } 1376 } 1377 dismissDropDown(); 1378 return true; 1379 } else { 1380 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1381 if (editable.length() > tokenEnd + 1) { 1382 char charAt = editable.charAt(tokenEnd + 1); 1383 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1384 tokenEnd++; 1385 } 1386 } 1387 String text = editable.toString().substring(start, tokenEnd).trim(); 1388 clearComposingText(); 1389 if (text != null && text.length() > 0 && !text.equals(" ")) { 1390 RecipientEntry entry = createTokenizedEntry(text); 1391 if (entry != null) { 1392 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1393 CharSequence chipText = createChip(entry, false); 1394 if (chipText != null && start > -1 && end > -1) { 1395 editable.replace(start, end, chipText); 1396 } 1397 } 1398 // Only dismiss the dropdown if it is related to the text we 1399 // just committed. 1400 // For paste, it may not be as there are possibly multiple 1401 // tokens being added. 1402 if (end == getSelectionEnd()) { 1403 dismissDropDown(); 1404 } 1405 sanitizeBetween(); 1406 return true; 1407 } 1408 } 1409 return false; 1410 } 1411 1412 // Visible for testing. 1413 /* package */ void sanitizeBetween() { 1414 // Don't sanitize while we are waiting for content to chipify. 1415 if (mPendingChipsCount > 0) { 1416 return; 1417 } 1418 // Find the last chip. 1419 DrawableRecipientChip[] recips = getSortedRecipients(); 1420 if (recips != null && recips.length > 0) { 1421 DrawableRecipientChip last = recips[recips.length - 1]; 1422 DrawableRecipientChip beforeLast = null; 1423 if (recips.length > 1) { 1424 beforeLast = recips[recips.length - 2]; 1425 } 1426 int startLooking = 0; 1427 int end = getSpannable().getSpanStart(last); 1428 if (beforeLast != null) { 1429 startLooking = getSpannable().getSpanEnd(beforeLast); 1430 Editable text = getText(); 1431 if (startLooking == -1 || startLooking > text.length() - 1) { 1432 // There is nothing after this chip. 1433 return; 1434 } 1435 if (text.charAt(startLooking) == ' ') { 1436 startLooking++; 1437 } 1438 } 1439 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1440 getText().delete(startLooking, end); 1441 } 1442 } 1443 } 1444 1445 private boolean shouldCreateChip(int start, int end) { 1446 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1447 } 1448 1449 private boolean alreadyHasChip(int start, int end) { 1450 if (mNoChips) { 1451 return true; 1452 } 1453 DrawableRecipientChip[] chips = 1454 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1455 if ((chips == null || chips.length == 0)) { 1456 return false; 1457 } 1458 return true; 1459 } 1460 1461 private void handleEdit(int start, int end) { 1462 if (start == -1 || end == -1) { 1463 // This chip no longer exists in the field. 1464 dismissDropDown(); 1465 return; 1466 } 1467 // This is in the middle of a chip, so select out the whole chip 1468 // and commit it. 1469 Editable editable = getText(); 1470 setSelection(end); 1471 String text = getText().toString().substring(start, end); 1472 if (!TextUtils.isEmpty(text)) { 1473 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1474 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1475 CharSequence chipText = createChip(entry, false); 1476 int selEnd = getSelectionEnd(); 1477 if (chipText != null && start > -1 && selEnd > -1) { 1478 editable.replace(start, selEnd, chipText); 1479 } 1480 } 1481 dismissDropDown(); 1482 } 1483 1484 /** 1485 * If there is a selected chip, delegate the key events 1486 * to the selected chip. 1487 */ 1488 @Override 1489 public boolean onKeyDown(int keyCode, KeyEvent event) { 1490 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1491 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1492 mAlternatesPopup.dismiss(); 1493 } 1494 removeChip(mSelectedChip); 1495 } 1496 1497 switch (keyCode) { 1498 case KeyEvent.KEYCODE_ENTER: 1499 case KeyEvent.KEYCODE_DPAD_CENTER: 1500 if (event.hasNoModifiers()) { 1501 if (commitDefault()) { 1502 return true; 1503 } 1504 if (mSelectedChip != null) { 1505 clearSelectedChip(); 1506 return true; 1507 } else if (focusNext()) { 1508 return true; 1509 } 1510 } 1511 break; 1512 } 1513 1514 return super.onKeyDown(keyCode, event); 1515 } 1516 1517 // Visible for testing. 1518 /* package */ Spannable getSpannable() { 1519 return getText(); 1520 } 1521 1522 private int getChipStart(DrawableRecipientChip chip) { 1523 return getSpannable().getSpanStart(chip); 1524 } 1525 1526 private int getChipEnd(DrawableRecipientChip chip) { 1527 return getSpannable().getSpanEnd(chip); 1528 } 1529 1530 /** 1531 * Instead of filtering on the entire contents of the edit box, 1532 * this subclass method filters on the range from 1533 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1534 * if the length of that range meets or exceeds {@link #getThreshold} 1535 * and makes sure that the range is not already a Chip. 1536 */ 1537 @Override 1538 protected void performFiltering(CharSequence text, int keyCode) { 1539 boolean isCompletedToken = isCompletedToken(text); 1540 if (enoughToFilter() && !isCompletedToken) { 1541 int end = getSelectionEnd(); 1542 int start = mTokenizer.findTokenStart(text, end); 1543 // If this is a RecipientChip, don't filter 1544 // on its contents. 1545 Spannable span = getSpannable(); 1546 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1547 if (chips != null && chips.length > 0) { 1548 dismissDropDown(); 1549 return; 1550 } 1551 } else if (isCompletedToken) { 1552 dismissDropDown(); 1553 return; 1554 } 1555 super.performFiltering(text, keyCode); 1556 } 1557 1558 // Visible for testing. 1559 /*package*/ boolean isCompletedToken(CharSequence text) { 1560 if (TextUtils.isEmpty(text)) { 1561 return false; 1562 } 1563 // Check to see if this is a completed token before filtering. 1564 int end = text.length(); 1565 int start = mTokenizer.findTokenStart(text, end); 1566 String token = text.toString().substring(start, end).trim(); 1567 if (!TextUtils.isEmpty(token)) { 1568 char atEnd = token.charAt(token.length() - 1); 1569 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1570 } 1571 return false; 1572 } 1573 1574 private void clearSelectedChip() { 1575 if (mSelectedChip != null) { 1576 unselectChip(mSelectedChip); 1577 mSelectedChip = null; 1578 } 1579 setCursorVisible(true); 1580 } 1581 1582 /** 1583 * Monitor touch events in the RecipientEditTextView. 1584 * If the view does not have focus, any tap on the view 1585 * will just focus the view. If the view has focus, determine 1586 * if the touch target is a recipient chip. If it is and the chip 1587 * is not selected, select it and clear any other selected chips. 1588 * If it isn't, then select that chip. 1589 */ 1590 @Override 1591 public boolean onTouchEvent(MotionEvent event) { 1592 if (!isFocused()) { 1593 // Ignore any chip taps until this view is focused. 1594 return super.onTouchEvent(event); 1595 } 1596 boolean handled = super.onTouchEvent(event); 1597 int action = event.getAction(); 1598 boolean chipWasSelected = false; 1599 if (mSelectedChip == null) { 1600 mGestureDetector.onTouchEvent(event); 1601 } 1602 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1603 float x = event.getX(); 1604 float y = event.getY(); 1605 int offset = putOffsetInRange(x, y); 1606 DrawableRecipientChip currentChip = findChip(offset); 1607 if (currentChip != null) { 1608 if (action == MotionEvent.ACTION_UP) { 1609 if (mSelectedChip != null && mSelectedChip != currentChip) { 1610 clearSelectedChip(); 1611 mSelectedChip = selectChip(currentChip); 1612 } else if (mSelectedChip == null) { 1613 setSelection(getText().length()); 1614 commitDefault(); 1615 mSelectedChip = selectChip(currentChip); 1616 } else { 1617 onClick(mSelectedChip, offset, x, y); 1618 } 1619 } 1620 chipWasSelected = true; 1621 handled = true; 1622 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1623 chipWasSelected = true; 1624 } 1625 } 1626 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1627 clearSelectedChip(); 1628 } 1629 return handled; 1630 } 1631 1632 private void scrollLineIntoView(int line) { 1633 if (mScrollView != null) { 1634 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1635 } 1636 } 1637 1638 private void showAlternates(final DrawableRecipientChip currentChip, 1639 final ListPopupWindow alternatesPopup, final int width) { 1640 new AsyncTask<Void, Void, ListAdapter>() { 1641 @Override 1642 protected ListAdapter doInBackground(final Void... params) { 1643 return createAlternatesAdapter(currentChip); 1644 } 1645 1646 @Override 1647 protected void onPostExecute(final ListAdapter result) { 1648 if (!mAttachedToWindow) { 1649 return; 1650 } 1651 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1652 int bottom; 1653 if (line == getLineCount() -1) { 1654 bottom = 0; 1655 } else { 1656 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1657 .abs(getLineCount() - 1 - line))); 1658 } 1659 // Align the alternates popup with the left side of the View, 1660 // regardless of the position of the chip tapped. 1661 alternatesPopup.setWidth(width); 1662 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1663 alternatesPopup.setVerticalOffset(bottom); 1664 alternatesPopup.setAdapter(result); 1665 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1666 // Clear the checked item. 1667 mCheckedItem = -1; 1668 alternatesPopup.show(); 1669 ListView listView = alternatesPopup.getListView(); 1670 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1671 // Checked item would be -1 if the adapter has not 1672 // loaded the view that should be checked yet. The 1673 // variable will be set correctly when onCheckedItemChanged 1674 // is called in a separate thread. 1675 if (mCheckedItem != -1) { 1676 listView.setItemChecked(mCheckedItem, true); 1677 mCheckedItem = -1; 1678 } 1679 } 1680 }.execute((Void[]) null); 1681 } 1682 1683 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1684 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1685 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1686 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1687 } 1688 1689 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1690 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1691 mDropdownChipLayouter); 1692 } 1693 1694 @Override 1695 public void onCheckedItemChanged(int position) { 1696 ListView listView = mAlternatesPopup.getListView(); 1697 if (listView != null && listView.getCheckedItemCount() == 0) { 1698 listView.setItemChecked(position, true); 1699 } 1700 mCheckedItem = position; 1701 } 1702 1703 private int putOffsetInRange(final float x, final float y) { 1704 final int offset; 1705 1706 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1707 offset = getOffsetForPosition(x, y); 1708 } else { 1709 offset = supportGetOffsetForPosition(x, y); 1710 } 1711 1712 return putOffsetInRange(offset); 1713 } 1714 1715 // TODO: This algorithm will need a lot of tweaking after more people have used 1716 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1717 // what comes before the finger. 1718 private int putOffsetInRange(int o) { 1719 int offset = o; 1720 Editable text = getText(); 1721 int length = text.length(); 1722 // Remove whitespace from end to find "real end" 1723 int realLength = length; 1724 for (int i = length - 1; i >= 0; i--) { 1725 if (text.charAt(i) == ' ') { 1726 realLength--; 1727 } else { 1728 break; 1729 } 1730 } 1731 1732 // If the offset is beyond or at the end of the text, 1733 // leave it alone. 1734 if (offset >= realLength) { 1735 return offset; 1736 } 1737 Editable editable = getText(); 1738 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1739 // Keep walking backward! 1740 offset--; 1741 } 1742 return offset; 1743 } 1744 1745 private static int findText(Editable text, int offset) { 1746 if (text.charAt(offset) != ' ') { 1747 return offset; 1748 } 1749 return -1; 1750 } 1751 1752 private DrawableRecipientChip findChip(int offset) { 1753 DrawableRecipientChip[] chips = 1754 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1755 // Find the chip that contains this offset. 1756 for (int i = 0; i < chips.length; i++) { 1757 DrawableRecipientChip chip = chips[i]; 1758 int start = getChipStart(chip); 1759 int end = getChipEnd(chip); 1760 if (offset >= start && offset <= end) { 1761 return chip; 1762 } 1763 } 1764 return null; 1765 } 1766 1767 // Visible for testing. 1768 // Use this method to generate text to add to the list of addresses. 1769 /* package */String createAddressText(RecipientEntry entry) { 1770 String display = entry.getDisplayName(); 1771 String address = entry.getDestination(); 1772 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1773 display = null; 1774 } 1775 String trimmedDisplayText; 1776 if (isPhoneQuery() && isPhoneNumber(address)) { 1777 trimmedDisplayText = address.trim(); 1778 } else { 1779 if (address != null) { 1780 // Tokenize out the address in case the address already 1781 // contained the username as well. 1782 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1783 if (tokenized != null && tokenized.length > 0) { 1784 address = tokenized[0].getAddress(); 1785 } 1786 } 1787 Rfc822Token token = new Rfc822Token(display, address, null); 1788 trimmedDisplayText = token.toString().trim(); 1789 } 1790 int index = trimmedDisplayText.indexOf(","); 1791 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1792 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1793 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1794 } 1795 1796 // Visible for testing. 1797 // Use this method to generate text to display in a chip. 1798 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1799 String display = entry.getDisplayName(); 1800 String address = entry.getDestination(); 1801 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1802 display = null; 1803 } 1804 if (!TextUtils.isEmpty(display)) { 1805 return display; 1806 } else if (!TextUtils.isEmpty(address)){ 1807 return address; 1808 } else { 1809 return new Rfc822Token(display, address, null).toString(); 1810 } 1811 } 1812 1813 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1814 String displayText = createAddressText(entry); 1815 if (TextUtils.isEmpty(displayText)) { 1816 return null; 1817 } 1818 SpannableString chipText = null; 1819 // Always leave a blank space at the end of a chip. 1820 int textLength = displayText.length() - 1; 1821 chipText = new SpannableString(displayText); 1822 if (!mNoChips) { 1823 try { 1824 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1825 chipText.setSpan(chip, 0, textLength, 1826 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1827 chip.setOriginalText(chipText.toString()); 1828 } catch (NullPointerException e) { 1829 Log.e(TAG, e.getMessage(), e); 1830 return null; 1831 } 1832 } 1833 return chipText; 1834 } 1835 1836 /** 1837 * When an item in the suggestions list has been clicked, create a chip from the 1838 * contact information of the selected item. 1839 */ 1840 @Override 1841 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1842 if (position < 0) { 1843 return; 1844 } 1845 1846 final int charactersTyped = submitItemAtPosition(position); 1847 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1848 mRecipientEntryItemClickedListener 1849 .onRecipientEntryItemClicked(charactersTyped, position); 1850 } 1851 } 1852 1853 private int submitItemAtPosition(int position) { 1854 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1855 if (entry == null) { 1856 return -1; 1857 } 1858 clearComposingText(); 1859 1860 int end = getSelectionEnd(); 1861 int start = mTokenizer.findTokenStart(getText(), end); 1862 1863 Editable editable = getText(); 1864 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1865 CharSequence chip = createChip(entry, false); 1866 if (chip != null && start >= 0 && end >= 0) { 1867 editable.replace(start, end, chip); 1868 } 1869 sanitizeBetween(); 1870 1871 return end - start; 1872 } 1873 1874 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1875 if (item == null) { 1876 return null; 1877 } 1878 final RecipientEntry entry; 1879 // If the display name and the address are the same, or if this is a 1880 // valid contact, but the destination is invalid, then make this a fake 1881 // recipient that is editable. 1882 String destination = item.getDestination(); 1883 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1884 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1885 destination, item.isValid()); 1886 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1887 && (TextUtils.isEmpty(item.getDisplayName()) 1888 || TextUtils.equals(item.getDisplayName(), destination) 1889 || (mValidator != null && !mValidator.isValid(destination)))) { 1890 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1891 } else { 1892 entry = item; 1893 } 1894 return entry; 1895 } 1896 1897 // Visible for testing. 1898 /* package */DrawableRecipientChip[] getSortedRecipients() { 1899 DrawableRecipientChip[] recips = getSpannable() 1900 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1901 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1902 Arrays.asList(recips)); 1903 final Spannable spannable = getSpannable(); 1904 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1905 1906 @Override 1907 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1908 int firstStart = spannable.getSpanStart(first); 1909 int secondStart = spannable.getSpanStart(second); 1910 if (firstStart < secondStart) { 1911 return -1; 1912 } else if (firstStart > secondStart) { 1913 return 1; 1914 } else { 1915 return 0; 1916 } 1917 } 1918 }); 1919 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1920 } 1921 1922 @Override 1923 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1924 return false; 1925 } 1926 1927 @Override 1928 public void onDestroyActionMode(ActionMode mode) { 1929 } 1930 1931 @Override 1932 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1933 return false; 1934 } 1935 1936 /** 1937 * No chips are selectable. 1938 */ 1939 @Override 1940 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1941 return false; 1942 } 1943 1944 // Visible for testing. 1945 /* package */ImageSpan getMoreChip() { 1946 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1947 MoreImageSpan.class); 1948 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1949 } 1950 1951 private MoreImageSpan createMoreSpan(int count) { 1952 String moreText = String.format(mMoreItem.getText().toString(), count); 1953 TextPaint morePaint = new TextPaint(getPaint()); 1954 morePaint.setTextSize(mMoreItem.getTextSize()); 1955 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1956 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1957 + mMoreItem.getPaddingRight(); 1958 int height = getLineHeight(); 1959 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1960 Canvas canvas = new Canvas(drawable); 1961 int adjustedHeight = height; 1962 Layout layout = getLayout(); 1963 if (layout != null) { 1964 adjustedHeight -= layout.getLineDescent(0); 1965 } 1966 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1967 1968 Drawable result = new BitmapDrawable(getResources(), drawable); 1969 result.setBounds(0, 0, width, height); 1970 return new MoreImageSpan(result); 1971 } 1972 1973 // Visible for testing. 1974 /*package*/ void createMoreChipPlainText() { 1975 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1976 Editable text = getText(); 1977 int start = 0; 1978 int end = start; 1979 for (int i = 0; i < CHIP_LIMIT; i++) { 1980 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1981 start = end; // move to the next token and get its end. 1982 } 1983 // Now, count total addresses. 1984 start = 0; 1985 int tokenCount = countTokens(text); 1986 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1987 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1988 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1989 text.replace(end, text.length(), chipText); 1990 mMoreChip = moreSpan; 1991 } 1992 1993 // Visible for testing. 1994 /* package */int countTokens(Editable text) { 1995 int tokenCount = 0; 1996 int start = 0; 1997 while (start < text.length()) { 1998 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1999 tokenCount++; 2000 if (start >= text.length()) { 2001 break; 2002 } 2003 } 2004 return tokenCount; 2005 } 2006 2007 /** 2008 * Create the more chip. The more chip is text that replaces any chips that 2009 * do not fit in the pre-defined available space when the 2010 * RecipientEditTextView loses focus. 2011 */ 2012 // Visible for testing. 2013 /* package */ void createMoreChip() { 2014 if (mNoChips) { 2015 createMoreChipPlainText(); 2016 return; 2017 } 2018 2019 if (!mShouldShrink) { 2020 return; 2021 } 2022 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2023 if (tempMore.length > 0) { 2024 getSpannable().removeSpan(tempMore[0]); 2025 } 2026 DrawableRecipientChip[] recipients = getSortedRecipients(); 2027 2028 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2029 mMoreChip = null; 2030 return; 2031 } 2032 Spannable spannable = getSpannable(); 2033 int numRecipients = recipients.length; 2034 int overage = numRecipients - CHIP_LIMIT; 2035 MoreImageSpan moreSpan = createMoreSpan(overage); 2036 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2037 int totalReplaceStart = 0; 2038 int totalReplaceEnd = 0; 2039 Editable text = getText(); 2040 for (int i = numRecipients - overage; i < recipients.length; i++) { 2041 mRemovedSpans.add(recipients[i]); 2042 if (i == numRecipients - overage) { 2043 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2044 } 2045 if (i == recipients.length - 1) { 2046 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2047 } 2048 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2049 int spanStart = spannable.getSpanStart(recipients[i]); 2050 int spanEnd = spannable.getSpanEnd(recipients[i]); 2051 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2052 } 2053 spannable.removeSpan(recipients[i]); 2054 } 2055 if (totalReplaceEnd < text.length()) { 2056 totalReplaceEnd = text.length(); 2057 } 2058 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2059 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2060 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2061 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2062 text.replace(start, end, chipText); 2063 mMoreChip = moreSpan; 2064 // If adding the +more chip goes over the limit, resize accordingly. 2065 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2066 setMaxLines(getLineCount()); 2067 } 2068 } 2069 2070 /** 2071 * Replace the more chip, if it exists, with all of the recipient chips it had 2072 * replaced when the RecipientEditTextView gains focus. 2073 */ 2074 // Visible for testing. 2075 /*package*/ void removeMoreChip() { 2076 if (mMoreChip != null) { 2077 Spannable span = getSpannable(); 2078 span.removeSpan(mMoreChip); 2079 mMoreChip = null; 2080 // Re-add the spans that were removed. 2081 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2082 // Recreate each removed span. 2083 DrawableRecipientChip[] recipients = getSortedRecipients(); 2084 // Start the search for tokens after the last currently visible 2085 // chip. 2086 if (recipients == null || recipients.length == 0) { 2087 return; 2088 } 2089 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2090 Editable editable = getText(); 2091 for (DrawableRecipientChip chip : mRemovedSpans) { 2092 int chipStart; 2093 int chipEnd; 2094 String token; 2095 // Need to find the location of the chip, again. 2096 token = (String) chip.getOriginalText(); 2097 // As we find the matching recipient for the remove spans, 2098 // reduce the size of the string we need to search. 2099 // That way, if there are duplicates, we always find the correct 2100 // recipient. 2101 chipStart = editable.toString().indexOf(token, end); 2102 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2103 // Only set the span if we found a matching token. 2104 if (chipStart != -1) { 2105 editable.setSpan(chip, chipStart, chipEnd, 2106 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2107 } 2108 } 2109 mRemovedSpans.clear(); 2110 } 2111 } 2112 } 2113 2114 /** 2115 * Show specified chip as selected. If the RecipientChip is just an email address, 2116 * selecting the chip will take the contents of the chip and place it at 2117 * the end of the RecipientEditTextView for inline editing. If the 2118 * RecipientChip is a complete contact, then selecting the chip 2119 * will change the background color of the chip, show the delete icon, 2120 * and a popup window with the address in use highlighted and any other 2121 * alternate addresses for the contact. 2122 * @param currentChip Chip to select. 2123 * @return A RecipientChip in the selected state or null if the chip 2124 * just contained an email address. 2125 */ 2126 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2127 if (shouldShowEditableText(currentChip)) { 2128 CharSequence text = currentChip.getValue(); 2129 Editable editable = getText(); 2130 Spannable spannable = getSpannable(); 2131 int spanStart = spannable.getSpanStart(currentChip); 2132 int spanEnd = spannable.getSpanEnd(currentChip); 2133 spannable.removeSpan(currentChip); 2134 editable.delete(spanStart, spanEnd); 2135 setCursorVisible(true); 2136 setSelection(editable.length()); 2137 editable.append(text); 2138 return constructChipSpan( 2139 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2140 true); 2141 } else { 2142 int start = getChipStart(currentChip); 2143 int end = getChipEnd(currentChip); 2144 getSpannable().removeSpan(currentChip); 2145 DrawableRecipientChip newChip; 2146 final boolean showAddress = 2147 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2148 getAdapter().forceShowAddress(); 2149 try { 2150 if (showAddress && mNoChips) { 2151 return null; 2152 } 2153 newChip = constructChipSpan(currentChip.getEntry(), true); 2154 } catch (NullPointerException e) { 2155 Log.e(TAG, e.getMessage(), e); 2156 return null; 2157 } 2158 Editable editable = getText(); 2159 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2160 if (start == -1 || end == -1) { 2161 Log.d(TAG, "The chip being selected no longer exists but should."); 2162 } else { 2163 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2164 } 2165 newChip.setSelected(true); 2166 if (shouldShowEditableText(newChip)) { 2167 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2168 } 2169 if (showAddress) { 2170 showAddress(newChip, mAddressPopup, getWidth()); 2171 } else { 2172 showAlternates(newChip, mAlternatesPopup, getWidth()); 2173 } 2174 setCursorVisible(false); 2175 return newChip; 2176 } 2177 } 2178 2179 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2180 long contactId = currentChip.getContactId(); 2181 return contactId == RecipientEntry.INVALID_CONTACT 2182 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2183 } 2184 2185 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2186 int width) { 2187 if (!mAttachedToWindow) { 2188 return; 2189 } 2190 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2191 int bottom = calculateOffsetFromBottom(line); 2192 // Align the alternates popup with the left side of the View, 2193 // regardless of the position of the chip tapped. 2194 popup.setWidth(width); 2195 popup.setAnchorView(this); 2196 popup.setVerticalOffset(bottom); 2197 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2198 popup.setOnItemClickListener(new OnItemClickListener() { 2199 @Override 2200 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2201 unselectChip(currentChip); 2202 popup.dismiss(); 2203 } 2204 }); 2205 popup.show(); 2206 ListView listView = popup.getListView(); 2207 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2208 listView.setItemChecked(0, true); 2209 } 2210 2211 /** 2212 * Remove selection from this chip. Unselecting a RecipientChip will render 2213 * the chip without a delete icon and with an unfocused background. This is 2214 * called when the RecipientChip no longer has focus. 2215 */ 2216 private void unselectChip(DrawableRecipientChip chip) { 2217 int start = getChipStart(chip); 2218 int end = getChipEnd(chip); 2219 Editable editable = getText(); 2220 mSelectedChip = null; 2221 if (start == -1 || end == -1) { 2222 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2223 setSelection(editable.length()); 2224 commitDefault(); 2225 } else { 2226 getSpannable().removeSpan(chip); 2227 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2228 editable.removeSpan(chip); 2229 try { 2230 if (!mNoChips) { 2231 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2232 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2233 } 2234 } catch (NullPointerException e) { 2235 Log.e(TAG, e.getMessage(), e); 2236 } 2237 } 2238 setCursorVisible(true); 2239 setSelection(editable.length()); 2240 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2241 mAlternatesPopup.dismiss(); 2242 } 2243 } 2244 2245 /** 2246 * Return whether a touch event was inside the delete target of 2247 * a selected chip. It is in the delete target if: 2248 * 1) the x and y points of the event are within the 2249 * delete assset. 2250 * 2) the point tapped would have caused a cursor to appear 2251 * right after the selected chip. 2252 * @return boolean 2253 */ 2254 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2255 // Figure out the bounds of this chip and whether or not 2256 // the user clicked in the X portion. 2257 // TODO: Should x and y be used, or removed? 2258 if (mDisableDelete) { 2259 return false; 2260 } 2261 2262 return chip.isSelected() && 2263 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2264 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2265 } 2266 2267 /** 2268 * Remove the chip and any text associated with it from the RecipientEditTextView. 2269 */ 2270 // Visible for testing. 2271 /* package */void removeChip(DrawableRecipientChip chip) { 2272 Spannable spannable = getSpannable(); 2273 int spanStart = spannable.getSpanStart(chip); 2274 int spanEnd = spannable.getSpanEnd(chip); 2275 Editable text = getText(); 2276 int toDelete = spanEnd; 2277 boolean wasSelected = chip == mSelectedChip; 2278 // Clear that there is a selected chip before updating any text. 2279 if (wasSelected) { 2280 mSelectedChip = null; 2281 } 2282 // Always remove trailing spaces when removing a chip. 2283 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2284 toDelete++; 2285 } 2286 spannable.removeSpan(chip); 2287 if (spanStart >= 0 && toDelete > 0) { 2288 text.delete(spanStart, toDelete); 2289 } 2290 if (wasSelected) { 2291 clearSelectedChip(); 2292 } 2293 } 2294 2295 /** 2296 * Replace this currently selected chip with a new chip 2297 * that uses the contact data provided. 2298 */ 2299 // Visible for testing. 2300 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2301 boolean wasSelected = chip == mSelectedChip; 2302 if (wasSelected) { 2303 mSelectedChip = null; 2304 } 2305 int start = getChipStart(chip); 2306 int end = getChipEnd(chip); 2307 getSpannable().removeSpan(chip); 2308 Editable editable = getText(); 2309 CharSequence chipText = createChip(entry, false); 2310 if (chipText != null) { 2311 if (start == -1 || end == -1) { 2312 Log.e(TAG, "The chip to replace does not exist but should."); 2313 editable.insert(0, chipText); 2314 } else { 2315 if (!TextUtils.isEmpty(chipText)) { 2316 // There may be a space to replace with this chip's new 2317 // associated space. Check for it 2318 int toReplace = end; 2319 while (toReplace >= 0 && toReplace < editable.length() 2320 && editable.charAt(toReplace) == ' ') { 2321 toReplace++; 2322 } 2323 editable.replace(start, toReplace, chipText); 2324 } 2325 } 2326 } 2327 setCursorVisible(true); 2328 if (wasSelected) { 2329 clearSelectedChip(); 2330 } 2331 } 2332 2333 /** 2334 * Handle click events for a chip. When a selected chip receives a click 2335 * event, see if that event was in the delete icon. If so, delete it. 2336 * Otherwise, unselect the chip. 2337 */ 2338 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2339 if (chip.isSelected()) { 2340 if (isInDelete(chip, offset, x, y)) { 2341 removeChip(chip); 2342 } else { 2343 clearSelectedChip(); 2344 } 2345 } 2346 } 2347 2348 private boolean chipsPending() { 2349 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2350 } 2351 2352 @Override 2353 public void removeTextChangedListener(TextWatcher watcher) { 2354 mTextWatcher = null; 2355 super.removeTextChangedListener(watcher); 2356 } 2357 2358 private boolean isValidEmailAddress(String input) { 2359 return !TextUtils.isEmpty(input) && mValidator != null && 2360 mValidator.isValid(input); 2361 } 2362 2363 private class RecipientTextWatcher implements TextWatcher { 2364 2365 @Override 2366 public void afterTextChanged(Editable s) { 2367 // If the text has been set to null or empty, make sure we remove 2368 // all the spans we applied. 2369 if (TextUtils.isEmpty(s)) { 2370 // Remove all the chips spans. 2371 Spannable spannable = getSpannable(); 2372 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2373 DrawableRecipientChip.class); 2374 for (DrawableRecipientChip chip : chips) { 2375 spannable.removeSpan(chip); 2376 } 2377 if (mMoreChip != null) { 2378 spannable.removeSpan(mMoreChip); 2379 } 2380 clearSelectedChip(); 2381 return; 2382 } 2383 // Get whether there are any recipients pending addition to the 2384 // view. If there are, don't do anything in the text watcher. 2385 if (chipsPending()) { 2386 return; 2387 } 2388 // If the user is editing a chip, don't clear it. 2389 if (mSelectedChip != null) { 2390 if (!isGeneratedContact(mSelectedChip)) { 2391 setCursorVisible(true); 2392 setSelection(getText().length()); 2393 clearSelectedChip(); 2394 } else { 2395 return; 2396 } 2397 } 2398 int length = s.length(); 2399 // Make sure there is content there to parse and that it is 2400 // not just the commit character. 2401 if (length > 1) { 2402 if (lastCharacterIsCommitCharacter(s)) { 2403 commitByCharacter(); 2404 return; 2405 } 2406 char last; 2407 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2408 int len = length() - 1; 2409 if (end != len) { 2410 last = s.charAt(end); 2411 } else { 2412 last = s.charAt(len); 2413 } 2414 if (last == COMMIT_CHAR_SPACE) { 2415 if (!isPhoneQuery()) { 2416 // Check if this is a valid email address. If it is, 2417 // commit it. 2418 String text = getText().toString(); 2419 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2420 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2421 tokenStart)); 2422 if (isValidEmailAddress(sub)) { 2423 commitByCharacter(); 2424 } 2425 } 2426 } 2427 } 2428 } 2429 2430 @Override 2431 public void onTextChanged(CharSequence s, int start, int before, int count) { 2432 // The user deleted some text OR some text was replaced; check to 2433 // see if the insertion point is on a space 2434 // following a chip. 2435 if (before - count == 1) { 2436 // If the item deleted is a space, and the thing before the 2437 // space is a chip, delete the entire span. 2438 int selStart = getSelectionStart(); 2439 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2440 DrawableRecipientChip.class); 2441 if (repl.length > 0) { 2442 // There is a chip there! Just remove it. 2443 Editable editable = getText(); 2444 // Add the separator token. 2445 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2446 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2447 tokenEnd = tokenEnd + 1; 2448 if (tokenEnd > editable.length()) { 2449 tokenEnd = editable.length(); 2450 } 2451 editable.delete(tokenStart, tokenEnd); 2452 getSpannable().removeSpan(repl[0]); 2453 } 2454 } else if (count > before) { 2455 if (mSelectedChip != null 2456 && isGeneratedContact(mSelectedChip)) { 2457 if (lastCharacterIsCommitCharacter(s)) { 2458 commitByCharacter(); 2459 return; 2460 } 2461 } 2462 } 2463 } 2464 2465 @Override 2466 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2467 // Do nothing. 2468 } 2469 } 2470 2471 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2472 char last; 2473 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2474 int len = length() - 1; 2475 if (end != len) { 2476 last = s.charAt(end); 2477 } else { 2478 last = s.charAt(len); 2479 } 2480 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2481 } 2482 2483 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2484 long contactId = chip.getContactId(); 2485 return contactId == RecipientEntry.INVALID_CONTACT 2486 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2487 } 2488 2489 /** 2490 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2491 */ 2492 private void handlePasteClip(ClipData clip) { 2493 removeTextChangedListener(mTextWatcher); 2494 2495 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2496 for (int i = 0; i < clip.getItemCount(); i++) { 2497 CharSequence paste = clip.getItemAt(i).getText(); 2498 if (paste != null) { 2499 int start = getSelectionStart(); 2500 int end = getSelectionEnd(); 2501 Editable editable = getText(); 2502 if (start >= 0 && end >= 0 && start != end) { 2503 editable.append(paste, start, end); 2504 } else { 2505 editable.insert(end, paste); 2506 } 2507 handlePasteAndReplace(); 2508 } 2509 } 2510 } 2511 2512 mHandler.post(mAddTextWatcher); 2513 } 2514 2515 @Override 2516 public boolean onTextContextMenuItem(int id) { 2517 if (id == android.R.id.paste) { 2518 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2519 Context.CLIPBOARD_SERVICE); 2520 handlePasteClip(clipboard.getPrimaryClip()); 2521 return true; 2522 } 2523 return super.onTextContextMenuItem(id); 2524 } 2525 2526 private void handlePasteAndReplace() { 2527 ArrayList<DrawableRecipientChip> created = handlePaste(); 2528 if (created != null && created.size() > 0) { 2529 // Perform reverse lookups on the pasted contacts. 2530 IndividualReplacementTask replace = new IndividualReplacementTask(); 2531 replace.execute(created); 2532 } 2533 } 2534 2535 // Visible for testing. 2536 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2537 String text = getText().toString(); 2538 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2539 String lastAddress = text.substring(originalTokenStart); 2540 int tokenStart = originalTokenStart; 2541 int prevTokenStart = 0; 2542 DrawableRecipientChip findChip = null; 2543 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2544 if (tokenStart != 0) { 2545 // There are things before this! 2546 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2547 prevTokenStart = tokenStart; 2548 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2549 findChip = findChip(tokenStart); 2550 if (tokenStart == originalTokenStart && findChip == null) { 2551 break; 2552 } 2553 } 2554 if (tokenStart != originalTokenStart) { 2555 if (findChip != null) { 2556 tokenStart = prevTokenStart; 2557 } 2558 int tokenEnd; 2559 DrawableRecipientChip createdChip; 2560 while (tokenStart < originalTokenStart) { 2561 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2562 tokenStart)); 2563 commitChip(tokenStart, tokenEnd, getText()); 2564 createdChip = findChip(tokenStart); 2565 if (createdChip == null) { 2566 break; 2567 } 2568 // +1 for the space at the end. 2569 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2570 created.add(createdChip); 2571 } 2572 } 2573 } 2574 // Take a look at the last token. If the token has been completed with a 2575 // commit character, create a chip. 2576 if (isCompletedToken(lastAddress)) { 2577 Editable editable = getText(); 2578 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2579 commitChip(tokenStart, editable.length(), editable); 2580 created.add(findChip(tokenStart)); 2581 } 2582 return created; 2583 } 2584 2585 // Visible for testing. 2586 /* package */int movePastTerminators(int tokenEnd) { 2587 if (tokenEnd >= length()) { 2588 return tokenEnd; 2589 } 2590 char atEnd = getText().toString().charAt(tokenEnd); 2591 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2592 tokenEnd++; 2593 } 2594 // This token had not only an end token character, but also a space 2595 // separating it from the next token. 2596 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2597 tokenEnd++; 2598 } 2599 return tokenEnd; 2600 } 2601 2602 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2603 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2604 try { 2605 if (mNoChips) { 2606 return null; 2607 } 2608 return constructChipSpan(entry, false); 2609 } catch (NullPointerException e) { 2610 Log.e(TAG, e.getMessage(), e); 2611 return null; 2612 } 2613 } 2614 2615 @Override 2616 protected void onPreExecute() { 2617 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2618 // replaced 2619 final List<DrawableRecipientChip> originalRecipients = 2620 new ArrayList<DrawableRecipientChip>(); 2621 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2622 for (int i = 0; i < existingChips.length; i++) { 2623 originalRecipients.add(existingChips[i]); 2624 } 2625 if (mRemovedSpans != null) { 2626 originalRecipients.addAll(mRemovedSpans); 2627 } 2628 2629 final List<DrawableRecipientChip> replacements = 2630 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2631 2632 for (final DrawableRecipientChip chip : originalRecipients) { 2633 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2634 && getSpannable().getSpanStart(chip) != -1) { 2635 replacements.add(createFreeChip(chip.getEntry())); 2636 } else { 2637 replacements.add(null); 2638 } 2639 } 2640 2641 processReplacements(originalRecipients, replacements); 2642 } 2643 2644 @Override 2645 protected Void doInBackground(Void... params) { 2646 if (mIndividualReplacements != null) { 2647 mIndividualReplacements.cancel(true); 2648 } 2649 // For each chip in the list, look up the matching contact. 2650 // If there is a match, replace that chip with the matching 2651 // chip. 2652 final ArrayList<DrawableRecipientChip> recipients = 2653 new ArrayList<DrawableRecipientChip>(); 2654 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2655 for (int i = 0; i < existingChips.length; i++) { 2656 recipients.add(existingChips[i]); 2657 } 2658 if (mRemovedSpans != null) { 2659 recipients.addAll(mRemovedSpans); 2660 } 2661 ArrayList<String> addresses = new ArrayList<String>(); 2662 DrawableRecipientChip chip; 2663 for (int i = 0; i < recipients.size(); i++) { 2664 chip = recipients.get(i); 2665 if (chip != null) { 2666 addresses.add(createAddressText(chip.getEntry())); 2667 } 2668 } 2669 final BaseRecipientAdapter adapter = getAdapter(); 2670 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2671 @Override 2672 public void matchesFound(Map<String, RecipientEntry> entries) { 2673 final ArrayList<DrawableRecipientChip> replacements = 2674 new ArrayList<DrawableRecipientChip>(); 2675 for (final DrawableRecipientChip temp : recipients) { 2676 RecipientEntry entry = null; 2677 if (temp != null && RecipientEntry.isCreatedRecipient( 2678 temp.getEntry().getContactId()) 2679 && getSpannable().getSpanStart(temp) != -1) { 2680 // Replace this. 2681 entry = createValidatedEntry( 2682 entries.get(tokenizeAddress(temp.getEntry() 2683 .getDestination()))); 2684 } 2685 if (entry != null) { 2686 replacements.add(createFreeChip(entry)); 2687 } else { 2688 replacements.add(null); 2689 } 2690 } 2691 processReplacements(recipients, replacements); 2692 } 2693 2694 @Override 2695 public void matchesNotFound(final Set<String> unfoundAddresses) { 2696 final List<DrawableRecipientChip> replacements = 2697 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2698 2699 for (final DrawableRecipientChip temp : recipients) { 2700 if (temp != null && RecipientEntry.isCreatedRecipient( 2701 temp.getEntry().getContactId()) 2702 && getSpannable().getSpanStart(temp) != -1) { 2703 if (unfoundAddresses.contains( 2704 temp.getEntry().getDestination())) { 2705 replacements.add(createFreeChip(temp.getEntry())); 2706 } else { 2707 replacements.add(null); 2708 } 2709 } else { 2710 replacements.add(null); 2711 } 2712 } 2713 2714 processReplacements(recipients, replacements); 2715 } 2716 }); 2717 return null; 2718 } 2719 2720 private void processReplacements(final List<DrawableRecipientChip> recipients, 2721 final List<DrawableRecipientChip> replacements) { 2722 if (replacements != null && replacements.size() > 0) { 2723 final Runnable runnable = new Runnable() { 2724 @Override 2725 public void run() { 2726 final Editable text = new SpannableStringBuilder(getText()); 2727 int i = 0; 2728 for (final DrawableRecipientChip chip : recipients) { 2729 final DrawableRecipientChip replacement = replacements.get(i); 2730 if (replacement != null) { 2731 final RecipientEntry oldEntry = chip.getEntry(); 2732 final RecipientEntry newEntry = replacement.getEntry(); 2733 final boolean isBetter = 2734 RecipientAlternatesAdapter.getBetterRecipient( 2735 oldEntry, newEntry) == newEntry; 2736 2737 if (isBetter) { 2738 // Find the location of the chip in the text currently shown. 2739 final int start = text.getSpanStart(chip); 2740 if (start != -1) { 2741 // Replacing the entirety of what the chip represented, 2742 // including the extra space dividing it from other chips. 2743 final int end = 2744 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2745 text.removeSpan(chip); 2746 // Make sure we always have just 1 space at the end to 2747 // separate this chip from the next chip. 2748 final SpannableString displayText = 2749 new SpannableString(createAddressText( 2750 replacement.getEntry()).trim() + " "); 2751 displayText.setSpan(replacement, 0, 2752 displayText.length() - 1, 2753 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2754 // Replace the old text we found with with the new display 2755 // text, which now may also contain the display name of the 2756 // recipient. 2757 text.replace(start, end, displayText); 2758 replacement.setOriginalText(displayText.toString()); 2759 replacements.set(i, null); 2760 2761 recipients.set(i, replacement); 2762 } 2763 } 2764 } 2765 i++; 2766 } 2767 setText(text); 2768 } 2769 }; 2770 2771 if (Looper.myLooper() == Looper.getMainLooper()) { 2772 runnable.run(); 2773 } else { 2774 mHandler.post(runnable); 2775 } 2776 } 2777 } 2778 } 2779 2780 private class IndividualReplacementTask 2781 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2782 @Override 2783 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2784 // For each chip in the list, look up the matching contact. 2785 // If there is a match, replace that chip with the matching 2786 // chip. 2787 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2788 ArrayList<String> addresses = new ArrayList<String>(); 2789 DrawableRecipientChip chip; 2790 for (int i = 0; i < originalRecipients.size(); i++) { 2791 chip = originalRecipients.get(i); 2792 if (chip != null) { 2793 addresses.add(createAddressText(chip.getEntry())); 2794 } 2795 } 2796 final BaseRecipientAdapter adapter = getAdapter(); 2797 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2798 2799 @Override 2800 public void matchesFound(Map<String, RecipientEntry> entries) { 2801 for (final DrawableRecipientChip temp : originalRecipients) { 2802 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2803 .getContactId()) 2804 && getSpannable().getSpanStart(temp) != -1) { 2805 // Replace this. 2806 final RecipientEntry entry = createValidatedEntry(entries 2807 .get(tokenizeAddress(temp.getEntry().getDestination()) 2808 .toLowerCase())); 2809 if (entry != null) { 2810 mHandler.post(new Runnable() { 2811 @Override 2812 public void run() { 2813 replaceChip(temp, entry); 2814 } 2815 }); 2816 } 2817 } 2818 } 2819 } 2820 2821 @Override 2822 public void matchesNotFound(final Set<String> unfoundAddresses) { 2823 // No action required 2824 } 2825 }); 2826 return null; 2827 } 2828 } 2829 2830 2831 /** 2832 * MoreImageSpan is a simple class created for tracking the existence of a 2833 * more chip across activity restarts/ 2834 */ 2835 private class MoreImageSpan extends ImageSpan { 2836 public MoreImageSpan(Drawable b) { 2837 super(b); 2838 } 2839 } 2840 2841 @Override 2842 public boolean onDown(MotionEvent e) { 2843 return false; 2844 } 2845 2846 @Override 2847 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2848 // Do nothing. 2849 return false; 2850 } 2851 2852 @Override 2853 public void onLongPress(MotionEvent event) { 2854 if (mSelectedChip != null) { 2855 return; 2856 } 2857 float x = event.getX(); 2858 float y = event.getY(); 2859 final int offset = putOffsetInRange(x, y); 2860 DrawableRecipientChip currentChip = findChip(offset); 2861 if (currentChip != null) { 2862 if (mDragEnabled) { 2863 // Start drag-and-drop for the selected chip. 2864 startDrag(currentChip); 2865 } else { 2866 // Copy the selected chip email address. 2867 showCopyDialog(currentChip.getEntry().getDestination()); 2868 } 2869 } 2870 } 2871 2872 // The following methods are used to provide some functionality on older versions of Android 2873 // These methods were copied out of JB MR2's TextView 2874 ///////////////////////////////////////////////// 2875 private int supportGetOffsetForPosition(float x, float y) { 2876 if (getLayout() == null) return -1; 2877 final int line = supportGetLineAtCoordinate(y); 2878 final int offset = supportGetOffsetAtCoordinate(line, x); 2879 return offset; 2880 } 2881 2882 private float supportConvertToLocalHorizontalCoordinate(float x) { 2883 x -= getTotalPaddingLeft(); 2884 // Clamp the position to inside of the view. 2885 x = Math.max(0.0f, x); 2886 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2887 x += getScrollX(); 2888 return x; 2889 } 2890 2891 private int supportGetLineAtCoordinate(float y) { 2892 y -= getTotalPaddingLeft(); 2893 // Clamp the position to inside of the view. 2894 y = Math.max(0.0f, y); 2895 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2896 y += getScrollY(); 2897 return getLayout().getLineForVertical((int) y); 2898 } 2899 2900 private int supportGetOffsetAtCoordinate(int line, float x) { 2901 x = supportConvertToLocalHorizontalCoordinate(x); 2902 return getLayout().getOffsetForHorizontal(line, x); 2903 } 2904 ///////////////////////////////////////////////// 2905 2906 /** 2907 * Enables drag-and-drop for chips. 2908 */ 2909 public void enableDrag() { 2910 mDragEnabled = true; 2911 } 2912 2913 /** 2914 * Starts drag-and-drop for the selected chip. 2915 */ 2916 private void startDrag(DrawableRecipientChip currentChip) { 2917 String address = currentChip.getEntry().getDestination(); 2918 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2919 2920 // Start drag mode. 2921 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2922 2923 // Remove the current chip, so drag-and-drop will result in a move. 2924 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2925 removeChip(currentChip); 2926 } 2927 2928 /** 2929 * Handles drag event. 2930 */ 2931 @Override 2932 public boolean onDragEvent(DragEvent event) { 2933 switch (event.getAction()) { 2934 case DragEvent.ACTION_DRAG_STARTED: 2935 // Only handle plain text drag and drop. 2936 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2937 case DragEvent.ACTION_DRAG_ENTERED: 2938 requestFocus(); 2939 return true; 2940 case DragEvent.ACTION_DROP: 2941 handlePasteClip(event.getClipData()); 2942 return true; 2943 } 2944 return false; 2945 } 2946 2947 /** 2948 * Drag shadow for a {@link DrawableRecipientChip}. 2949 */ 2950 private final class RecipientChipShadow extends DragShadowBuilder { 2951 private final DrawableRecipientChip mChip; 2952 2953 public RecipientChipShadow(DrawableRecipientChip chip) { 2954 mChip = chip; 2955 } 2956 2957 @Override 2958 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2959 Rect rect = mChip.getBounds(); 2960 shadowSize.set(rect.width(), rect.height()); 2961 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2962 } 2963 2964 @Override 2965 public void onDrawShadow(Canvas canvas) { 2966 mChip.draw(canvas); 2967 } 2968 } 2969 2970 private void showCopyDialog(final String address) { 2971 if (!mAttachedToWindow) { 2972 return; 2973 } 2974 mCopyAddress = address; 2975 mCopyDialog.setTitle(address); 2976 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2977 mCopyDialog.setCancelable(true); 2978 mCopyDialog.setCanceledOnTouchOutside(true); 2979 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2980 button.setOnClickListener(this); 2981 int btnTitleId; 2982 if (isPhoneQuery()) { 2983 btnTitleId = R.string.copy_number; 2984 } else { 2985 btnTitleId = R.string.copy_email; 2986 } 2987 String buttonTitle = getContext().getResources().getString(btnTitleId); 2988 button.setText(buttonTitle); 2989 mCopyDialog.setOnDismissListener(this); 2990 mCopyDialog.show(); 2991 } 2992 2993 @Override 2994 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2995 // Do nothing. 2996 return false; 2997 } 2998 2999 @Override 3000 public void onShowPress(MotionEvent e) { 3001 // Do nothing. 3002 } 3003 3004 @Override 3005 public boolean onSingleTapUp(MotionEvent e) { 3006 // Do nothing. 3007 return false; 3008 } 3009 3010 @Override 3011 public void onDismiss(DialogInterface dialog) { 3012 mCopyAddress = null; 3013 } 3014 3015 @Override 3016 public void onClick(View v) { 3017 // Copy this to the clipboard. 3018 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3019 Context.CLIPBOARD_SERVICE); 3020 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3021 mCopyDialog.dismiss(); 3022 } 3023 3024 protected boolean isPhoneQuery() { 3025 return getAdapter() != null 3026 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3027 } 3028 3029 @Override 3030 public BaseRecipientAdapter getAdapter() { 3031 return (BaseRecipientAdapter) super.getAdapter(); 3032 } 3033 3034 /** 3035 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3036 * unfinished text at the end. 3037 */ 3038 public void appendRecipientEntry(final RecipientEntry entry) { 3039 clearComposingText(); 3040 3041 final Editable editable = getText(); 3042 int chipInsertionPoint = 0; 3043 3044 // Find the end of last chip and see if there's any unchipified text. 3045 final DrawableRecipientChip[] recips = getSortedRecipients(); 3046 if (recips != null && recips.length > 0) { 3047 final DrawableRecipientChip last = recips[recips.length - 1]; 3048 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3049 // the insertion point will be kept untouched. 3050 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3051 } 3052 3053 final CharSequence chip = createChip(entry, false); 3054 if (chip != null) { 3055 editable.insert(chipInsertionPoint, chip); 3056 } 3057 } 3058 3059 private static class ChipBitmapContainer { 3060 Bitmap bitmap; 3061 // information used for positioning the loaded icon 3062 boolean loadIcon = true; 3063 float left; 3064 float top; 3065 float right; 3066 float bottom; 3067 } 3068} 3069