RecipientEditTextView.java revision 82d388545ba0b52854801c946ed2f62e05e7b563
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; 763 if (loadedPhotoBytes != null) { 764 icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 765 loadedPhotoBytes.length); 766 } else { 767 // TODO: can the scaled down default photo be cached? 768 icon = mDefaultContactPhoto; 769 } 770 // This is called on the main thread so we can draw the icon here 771 drawIcon(bitmapContainer, icon, paint); 772 } 773 }); 774 } else { 775 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 776 origPhotoBytes.length); 777 drawIcon(bitmapContainer, icon, paint); 778 } 779 } 780 } 781 782 /** 783 * Get the background drawable for a RecipientChip. 784 */ 785 // Visible for testing. 786 /* package */Drawable getChipBackground(RecipientEntry contact) { 787 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 788 } 789 790 /** 791 * Given a height, returns a Y offset that will draw the text in the middle of the height. 792 */ 793 protected float getTextYOffset(String text, TextPaint paint, int height) { 794 Rect bounds = new Rect(); 795 paint.getTextBounds(text, 0, text.length(), bounds); 796 int textHeight = bounds.bottom - bounds.top ; 797 return height - ((height - textHeight) / 2) - (int)paint.descent(); 798 } 799 800 /** 801 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 802 * rectangle of the canvas. 803 */ 804 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 805 Matrix matrix = new Matrix(); 806 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 807 canvas.drawBitmap(icon, matrix, paint); 808 } 809 810 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 811 throws NullPointerException { 812 if (mChipBackground == null) { 813 throw new NullPointerException( 814 "Unable to render any chips as setChipDimensions was not called."); 815 } 816 817 TextPaint paint = getPaint(); 818 float defaultSize = paint.getTextSize(); 819 int defaultColor = paint.getColor(); 820 821 Bitmap tmpBitmap; 822 if (pressed) { 823 tmpBitmap = createSelectedChip(contact, paint); 824 825 } else { 826 tmpBitmap = createUnselectedChip(contact, paint); 827 } 828 829 // Pass the full text, un-ellipsized, to the chip. 830 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 831 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 832 DrawableRecipientChip recipientChip = 833 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 834 // Return text to the original size. 835 paint.setTextSize(defaultSize); 836 paint.setColor(defaultColor); 837 return recipientChip; 838 } 839 840 private int getImageSpanAlignment() { 841 switch (mImageSpanAlignment) { 842 case IMAGE_SPAN_ALIGNMENT_BASELINE: 843 return ImageSpan.ALIGN_BASELINE; 844 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 845 return ImageSpan.ALIGN_BOTTOM; 846 default: 847 return ImageSpan.ALIGN_BOTTOM; 848 } 849 } 850 851 /** 852 * Calculate the bottom of the line the chip will be located on using: 853 * 1) which line the chip appears on 854 * 2) the height of a chip 855 * 3) padding built into the edit text view 856 */ 857 private int calculateOffsetFromBottom(int line) { 858 // Line offsets start at zero. 859 int actualLine = getLineCount() - (line + 1); 860 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 861 + getDropDownVerticalOffset(); 862 } 863 864 /** 865 * Get the max amount of space a chip can take up. The formula takes into 866 * account the width of the EditTextView, any view padding, and padding 867 * that will be added to the chip. 868 */ 869 private float calculateAvailableWidth() { 870 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 871 } 872 873 874 private void setChipDimensions(Context context, AttributeSet attrs) { 875 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 876 0); 877 Resources r = getContext().getResources(); 878 879 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 880 if (mChipBackground == null) { 881 mChipBackground = r.getDrawable(R.drawable.chip_background); 882 } 883 mChipBackgroundPressed = a 884 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 885 if (mChipBackgroundPressed == null) { 886 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 887 } 888 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 889 if (mChipDelete == null) { 890 mChipDelete = r.getDrawable(R.drawable.chip_delete); 891 } 892 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 893 if (mChipPadding == -1) { 894 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 895 } 896 897 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 898 899 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 900 901 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 902 if (mChipHeight == -1) { 903 mChipHeight = r.getDimension(R.dimen.chip_height); 904 } 905 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 906 if (mChipFontSize == -1) { 907 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 908 } 909 mInvalidChipBackground = a 910 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 911 if (mInvalidChipBackground == null) { 912 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 913 } 914 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 915 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 916 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 917 918 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 919 mMaxLines = r.getInteger(R.integer.chips_max_lines); 920 TypedValue tv = new TypedValue(); 921 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 922 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 923 .getDisplayMetrics()); 924 } 925 926 a.recycle(); 927 } 928 929 // Visible for testing. 930 /* package */ void setMoreItem(TextView moreItem) { 931 mMoreItem = moreItem; 932 } 933 934 935 // Visible for testing. 936 /* package */ void setChipBackground(Drawable chipBackground) { 937 mChipBackground = chipBackground; 938 } 939 940 // Visible for testing. 941 /* package */ void setChipHeight(int height) { 942 mChipHeight = height; 943 } 944 945 public float getChipHeight() { 946 return mChipHeight; 947 } 948 949 /** 950 * Set whether to shrink the recipients field such that at most 951 * one line of recipients chips are shown when the field loses 952 * focus. By default, the number of displayed recipients will be 953 * limited and a "more" chip will be shown when focus is lost. 954 * @param shrink 955 */ 956 public void setOnFocusListShrinkRecipients(boolean shrink) { 957 mShouldShrink = shrink; 958 } 959 960 @Override 961 public void onSizeChanged(int width, int height, int oldw, int oldh) { 962 super.onSizeChanged(width, height, oldw, oldh); 963 if (width != 0 && height != 0) { 964 if (mPendingChipsCount > 0) { 965 postHandlePendingChips(); 966 } else { 967 checkChipWidths(); 968 } 969 } 970 // Try to find the scroll view parent, if it exists. 971 if (mScrollView == null && !mTriedGettingScrollView) { 972 ViewParent parent = getParent(); 973 while (parent != null && !(parent instanceof ScrollView)) { 974 parent = parent.getParent(); 975 } 976 if (parent != null) { 977 mScrollView = (ScrollView) parent; 978 } 979 mTriedGettingScrollView = true; 980 } 981 } 982 983 private void postHandlePendingChips() { 984 mHandler.removeCallbacks(mHandlePendingChips); 985 mHandler.post(mHandlePendingChips); 986 } 987 988 private void checkChipWidths() { 989 // Check the widths of the associated chips. 990 DrawableRecipientChip[] chips = getSortedRecipients(); 991 if (chips != null) { 992 Rect bounds; 993 for (DrawableRecipientChip chip : chips) { 994 bounds = chip.getBounds(); 995 if (getWidth() > 0 && bounds.right - bounds.left > 996 getWidth() - getPaddingLeft() - getPaddingRight()) { 997 // Need to redraw that chip. 998 replaceChip(chip, chip.getEntry()); 999 } 1000 } 1001 } 1002 } 1003 1004 // Visible for testing. 1005 /*package*/ void handlePendingChips() { 1006 if (getViewWidth() <= 0) { 1007 // The widget has not been sized yet. 1008 // This will be called as a result of onSizeChanged 1009 // at a later point. 1010 return; 1011 } 1012 if (mPendingChipsCount <= 0) { 1013 return; 1014 } 1015 1016 synchronized (mPendingChips) { 1017 Editable editable = getText(); 1018 // Tokenize! 1019 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1020 for (int i = 0; i < mPendingChips.size(); i++) { 1021 String current = mPendingChips.get(i); 1022 int tokenStart = editable.toString().indexOf(current); 1023 // Always leave a space at the end between tokens. 1024 int tokenEnd = tokenStart + current.length() - 1; 1025 if (tokenStart >= 0) { 1026 // When we have a valid token, include it with the token 1027 // to the left. 1028 if (tokenEnd < editable.length() - 2 1029 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1030 tokenEnd++; 1031 } 1032 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1033 || !mShouldShrink); 1034 } 1035 mPendingChipsCount--; 1036 } 1037 sanitizeEnd(); 1038 } else { 1039 mNoChips = true; 1040 } 1041 1042 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1043 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1044 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1045 new RecipientReplacementTask().execute(); 1046 mTemporaryRecipients = null; 1047 } else { 1048 // Create the "more" chip 1049 mIndividualReplacements = new IndividualReplacementTask(); 1050 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1051 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1052 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1053 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1054 mTemporaryRecipients.subList(CHIP_LIMIT, 1055 mTemporaryRecipients.size())); 1056 } else { 1057 mTemporaryRecipients = null; 1058 } 1059 createMoreChip(); 1060 } 1061 } else { 1062 // There are too many recipients to look up, so just fall back 1063 // to showing addresses for all of them. 1064 mTemporaryRecipients = null; 1065 createMoreChip(); 1066 } 1067 mPendingChipsCount = 0; 1068 mPendingChips.clear(); 1069 } 1070 } 1071 1072 // Visible for testing. 1073 /*package*/ int getViewWidth() { 1074 return getWidth(); 1075 } 1076 1077 /** 1078 * Remove any characters after the last valid chip. 1079 */ 1080 // Visible for testing. 1081 /*package*/ void sanitizeEnd() { 1082 // Don't sanitize while we are waiting for pending chips to complete. 1083 if (mPendingChipsCount > 0) { 1084 return; 1085 } 1086 // Find the last chip; eliminate any commit characters after it. 1087 DrawableRecipientChip[] chips = getSortedRecipients(); 1088 Spannable spannable = getSpannable(); 1089 if (chips != null && chips.length > 0) { 1090 int end; 1091 mMoreChip = getMoreChip(); 1092 if (mMoreChip != null) { 1093 end = spannable.getSpanEnd(mMoreChip); 1094 } else { 1095 end = getSpannable().getSpanEnd(getLastChip()); 1096 } 1097 Editable editable = getText(); 1098 int length = editable.length(); 1099 if (length > end) { 1100 // See what characters occur after that and eliminate them. 1101 if (Log.isLoggable(TAG, Log.DEBUG)) { 1102 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1103 + editable); 1104 } 1105 editable.delete(end + 1, length); 1106 } 1107 } 1108 } 1109 1110 /** 1111 * Create a chip that represents just the email address of a recipient. At some later 1112 * point, this chip will be attached to a real contact entry, if one exists. 1113 */ 1114 // VisibleForTesting 1115 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1116 boolean visible) { 1117 if (alreadyHasChip(tokenStart, tokenEnd)) { 1118 // There is already a chip present at this location. 1119 // Don't recreate it. 1120 return; 1121 } 1122 String token = editable.toString().substring(tokenStart, tokenEnd); 1123 final String trimmedToken = token.trim(); 1124 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1125 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1126 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1127 } 1128 RecipientEntry entry = createTokenizedEntry(token); 1129 if (entry != null) { 1130 DrawableRecipientChip chip = null; 1131 try { 1132 if (!mNoChips) { 1133 chip = visible ? 1134 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1135 } 1136 } catch (NullPointerException e) { 1137 Log.e(TAG, e.getMessage(), e); 1138 } 1139 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1140 // Add this chip to the list of entries "to replace" 1141 if (chip != null) { 1142 if (mTemporaryRecipients == null) { 1143 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1144 } 1145 chip.setOriginalText(token); 1146 mTemporaryRecipients.add(chip); 1147 } 1148 } 1149 } 1150 1151 private static boolean isPhoneNumber(String number) { 1152 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1153 // PhoneNumberUtil). One complication is that it requires the sender's region which 1154 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1155 if (TextUtils.isEmpty(number)) { 1156 return false; 1157 } 1158 1159 Matcher match = PHONE_PATTERN.matcher(number); 1160 return match.matches(); 1161 } 1162 1163 // VisibleForTesting 1164 RecipientEntry createTokenizedEntry(final String token) { 1165 if (TextUtils.isEmpty(token)) { 1166 return null; 1167 } 1168 if (isPhoneQuery() && isPhoneNumber(token)) { 1169 return RecipientEntry.constructFakePhoneEntry(token, true); 1170 } 1171 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1172 String display = null; 1173 boolean isValid = isValid(token); 1174 if (isValid && tokens != null && tokens.length > 0) { 1175 // If we can get a name from tokenizing, then generate an entry from 1176 // this. 1177 display = tokens[0].getName(); 1178 if (!TextUtils.isEmpty(display)) { 1179 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1180 isValid); 1181 } else { 1182 display = tokens[0].getAddress(); 1183 if (!TextUtils.isEmpty(display)) { 1184 return RecipientEntry.constructFakeEntry(display, isValid); 1185 } 1186 } 1187 } 1188 // Unable to validate the token or to create a valid token from it. 1189 // Just create a chip the user can edit. 1190 String validatedToken = null; 1191 if (mValidator != null && !isValid) { 1192 // Try fixing up the entry using the validator. 1193 validatedToken = mValidator.fixText(token).toString(); 1194 if (!TextUtils.isEmpty(validatedToken)) { 1195 if (validatedToken.contains(token)) { 1196 // protect against the case of a validator with a null 1197 // domain, 1198 // which doesn't add a domain to the token 1199 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1200 if (tokenized.length > 0) { 1201 validatedToken = tokenized[0].getAddress(); 1202 isValid = true; 1203 } 1204 } else { 1205 // We ran into a case where the token was invalid and 1206 // removed 1207 // by the validator. In this case, just use the original 1208 // token 1209 // and let the user sort out the error chip. 1210 validatedToken = null; 1211 isValid = false; 1212 } 1213 } 1214 } 1215 // Otherwise, fallback to just creating an editable email address chip. 1216 return RecipientEntry.constructFakeEntry( 1217 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1218 } 1219 1220 private boolean isValid(String text) { 1221 return mValidator == null ? true : mValidator.isValid(text); 1222 } 1223 1224 private static String tokenizeAddress(String destination) { 1225 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1226 if (tokens != null && tokens.length > 0) { 1227 return tokens[0].getAddress(); 1228 } 1229 return destination; 1230 } 1231 1232 @Override 1233 public void setTokenizer(Tokenizer tokenizer) { 1234 mTokenizer = tokenizer; 1235 super.setTokenizer(mTokenizer); 1236 } 1237 1238 @Override 1239 public void setValidator(Validator validator) { 1240 mValidator = validator; 1241 super.setValidator(validator); 1242 } 1243 1244 /** 1245 * We cannot use the default mechanism for replaceText. Instead, 1246 * we override onItemClickListener so we can get all the associated 1247 * contact information including display text, address, and id. 1248 */ 1249 @Override 1250 protected void replaceText(CharSequence text) { 1251 return; 1252 } 1253 1254 /** 1255 * Dismiss any selected chips when the back key is pressed. 1256 */ 1257 @Override 1258 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1259 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1260 clearSelectedChip(); 1261 return true; 1262 } 1263 return super.onKeyPreIme(keyCode, event); 1264 } 1265 1266 /** 1267 * Monitor key presses in this view to see if the user types 1268 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1269 * If the user has entered text that has contact matches and types 1270 * a commit key, create a chip from the topmost matching contact. 1271 * If the user has entered text that has no contact matches and types 1272 * a commit key, then create a chip from the text they have entered. 1273 */ 1274 @Override 1275 public boolean onKeyUp(int keyCode, KeyEvent event) { 1276 switch (keyCode) { 1277 case KeyEvent.KEYCODE_TAB: 1278 if (event.hasNoModifiers()) { 1279 if (mSelectedChip != null) { 1280 clearSelectedChip(); 1281 } else { 1282 commitDefault(); 1283 } 1284 } 1285 break; 1286 } 1287 return super.onKeyUp(keyCode, event); 1288 } 1289 1290 private boolean focusNext() { 1291 View next = focusSearch(View.FOCUS_DOWN); 1292 if (next != null) { 1293 next.requestFocus(); 1294 return true; 1295 } 1296 return false; 1297 } 1298 1299 /** 1300 * Create a chip from the default selection. If the popup is showing, the 1301 * default is the selected item (if one is selected), or the first item, in the popup 1302 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1303 * tokenizer should search for a token to turn into a chip. 1304 * @return If a chip was created from a real contact. 1305 */ 1306 private boolean commitDefault() { 1307 // If there is no tokenizer, don't try to commit. 1308 if (mTokenizer == null) { 1309 return false; 1310 } 1311 Editable editable = getText(); 1312 int end = getSelectionEnd(); 1313 int start = mTokenizer.findTokenStart(editable, end); 1314 1315 if (shouldCreateChip(start, end)) { 1316 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1317 // In the middle of chip; treat this as an edit 1318 // and commit the whole token. 1319 whatEnd = movePastTerminators(whatEnd); 1320 if (whatEnd != getSelectionEnd()) { 1321 handleEdit(start, whatEnd); 1322 return true; 1323 } 1324 return commitChip(start, end , editable); 1325 } 1326 return false; 1327 } 1328 1329 private void commitByCharacter() { 1330 // We can't possibly commit by character if we can't tokenize. 1331 if (mTokenizer == null) { 1332 return; 1333 } 1334 Editable editable = getText(); 1335 int end = getSelectionEnd(); 1336 int start = mTokenizer.findTokenStart(editable, end); 1337 if (shouldCreateChip(start, end)) { 1338 commitChip(start, end, editable); 1339 } 1340 setSelection(getText().length()); 1341 } 1342 1343 private boolean commitChip(int start, int end, Editable editable) { 1344 ListAdapter adapter = getAdapter(); 1345 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1346 && end == getSelectionEnd() && !isPhoneQuery()) { 1347 // let's choose the selected or first entry if only the input text is NOT an email 1348 // address so we won't try to replace the user's potentially correct but 1349 // new/unencountered email input 1350 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1351 final int selectedPosition = getListSelection(); 1352 if (selectedPosition == -1) { 1353 // Nothing is selected; use the first item 1354 submitItemAtPosition(0); 1355 } else { 1356 submitItemAtPosition(selectedPosition); 1357 } 1358 } 1359 dismissDropDown(); 1360 return true; 1361 } else { 1362 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1363 if (editable.length() > tokenEnd + 1) { 1364 char charAt = editable.charAt(tokenEnd + 1); 1365 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1366 tokenEnd++; 1367 } 1368 } 1369 String text = editable.toString().substring(start, tokenEnd).trim(); 1370 clearComposingText(); 1371 if (text != null && text.length() > 0 && !text.equals(" ")) { 1372 RecipientEntry entry = createTokenizedEntry(text); 1373 if (entry != null) { 1374 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1375 CharSequence chipText = createChip(entry, false); 1376 if (chipText != null && start > -1 && end > -1) { 1377 editable.replace(start, end, chipText); 1378 } 1379 } 1380 // Only dismiss the dropdown if it is related to the text we 1381 // just committed. 1382 // For paste, it may not be as there are possibly multiple 1383 // tokens being added. 1384 if (end == getSelectionEnd()) { 1385 dismissDropDown(); 1386 } 1387 sanitizeBetween(); 1388 return true; 1389 } 1390 } 1391 return false; 1392 } 1393 1394 // Visible for testing. 1395 /* package */ void sanitizeBetween() { 1396 // Don't sanitize while we are waiting for content to chipify. 1397 if (mPendingChipsCount > 0) { 1398 return; 1399 } 1400 // Find the last chip. 1401 DrawableRecipientChip[] recips = getSortedRecipients(); 1402 if (recips != null && recips.length > 0) { 1403 DrawableRecipientChip last = recips[recips.length - 1]; 1404 DrawableRecipientChip beforeLast = null; 1405 if (recips.length > 1) { 1406 beforeLast = recips[recips.length - 2]; 1407 } 1408 int startLooking = 0; 1409 int end = getSpannable().getSpanStart(last); 1410 if (beforeLast != null) { 1411 startLooking = getSpannable().getSpanEnd(beforeLast); 1412 Editable text = getText(); 1413 if (startLooking == -1 || startLooking > text.length() - 1) { 1414 // There is nothing after this chip. 1415 return; 1416 } 1417 if (text.charAt(startLooking) == ' ') { 1418 startLooking++; 1419 } 1420 } 1421 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1422 getText().delete(startLooking, end); 1423 } 1424 } 1425 } 1426 1427 private boolean shouldCreateChip(int start, int end) { 1428 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1429 } 1430 1431 private boolean alreadyHasChip(int start, int end) { 1432 if (mNoChips) { 1433 return true; 1434 } 1435 DrawableRecipientChip[] chips = 1436 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1437 if ((chips == null || chips.length == 0)) { 1438 return false; 1439 } 1440 return true; 1441 } 1442 1443 private void handleEdit(int start, int end) { 1444 if (start == -1 || end == -1) { 1445 // This chip no longer exists in the field. 1446 dismissDropDown(); 1447 return; 1448 } 1449 // This is in the middle of a chip, so select out the whole chip 1450 // and commit it. 1451 Editable editable = getText(); 1452 setSelection(end); 1453 String text = getText().toString().substring(start, end); 1454 if (!TextUtils.isEmpty(text)) { 1455 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1456 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1457 CharSequence chipText = createChip(entry, false); 1458 int selEnd = getSelectionEnd(); 1459 if (chipText != null && start > -1 && selEnd > -1) { 1460 editable.replace(start, selEnd, chipText); 1461 } 1462 } 1463 dismissDropDown(); 1464 } 1465 1466 /** 1467 * If there is a selected chip, delegate the key events 1468 * to the selected chip. 1469 */ 1470 @Override 1471 public boolean onKeyDown(int keyCode, KeyEvent event) { 1472 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1473 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1474 mAlternatesPopup.dismiss(); 1475 } 1476 removeChip(mSelectedChip); 1477 } 1478 1479 switch (keyCode) { 1480 case KeyEvent.KEYCODE_ENTER: 1481 case KeyEvent.KEYCODE_DPAD_CENTER: 1482 if (event.hasNoModifiers()) { 1483 if (commitDefault()) { 1484 return true; 1485 } 1486 if (mSelectedChip != null) { 1487 clearSelectedChip(); 1488 return true; 1489 } else if (focusNext()) { 1490 return true; 1491 } 1492 } 1493 break; 1494 } 1495 1496 return super.onKeyDown(keyCode, event); 1497 } 1498 1499 // Visible for testing. 1500 /* package */ Spannable getSpannable() { 1501 return getText(); 1502 } 1503 1504 private int getChipStart(DrawableRecipientChip chip) { 1505 return getSpannable().getSpanStart(chip); 1506 } 1507 1508 private int getChipEnd(DrawableRecipientChip chip) { 1509 return getSpannable().getSpanEnd(chip); 1510 } 1511 1512 /** 1513 * Instead of filtering on the entire contents of the edit box, 1514 * this subclass method filters on the range from 1515 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1516 * if the length of that range meets or exceeds {@link #getThreshold} 1517 * and makes sure that the range is not already a Chip. 1518 */ 1519 @Override 1520 protected void performFiltering(CharSequence text, int keyCode) { 1521 boolean isCompletedToken = isCompletedToken(text); 1522 if (enoughToFilter() && !isCompletedToken) { 1523 int end = getSelectionEnd(); 1524 int start = mTokenizer.findTokenStart(text, end); 1525 // If this is a RecipientChip, don't filter 1526 // on its contents. 1527 Spannable span = getSpannable(); 1528 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1529 if (chips != null && chips.length > 0) { 1530 dismissDropDown(); 1531 return; 1532 } 1533 } else if (isCompletedToken) { 1534 dismissDropDown(); 1535 return; 1536 } 1537 super.performFiltering(text, keyCode); 1538 } 1539 1540 // Visible for testing. 1541 /*package*/ boolean isCompletedToken(CharSequence text) { 1542 if (TextUtils.isEmpty(text)) { 1543 return false; 1544 } 1545 // Check to see if this is a completed token before filtering. 1546 int end = text.length(); 1547 int start = mTokenizer.findTokenStart(text, end); 1548 String token = text.toString().substring(start, end).trim(); 1549 if (!TextUtils.isEmpty(token)) { 1550 char atEnd = token.charAt(token.length() - 1); 1551 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1552 } 1553 return false; 1554 } 1555 1556 private void clearSelectedChip() { 1557 if (mSelectedChip != null) { 1558 unselectChip(mSelectedChip); 1559 mSelectedChip = null; 1560 } 1561 setCursorVisible(true); 1562 } 1563 1564 /** 1565 * Monitor touch events in the RecipientEditTextView. 1566 * If the view does not have focus, any tap on the view 1567 * will just focus the view. If the view has focus, determine 1568 * if the touch target is a recipient chip. If it is and the chip 1569 * is not selected, select it and clear any other selected chips. 1570 * If it isn't, then select that chip. 1571 */ 1572 @Override 1573 public boolean onTouchEvent(MotionEvent event) { 1574 if (!isFocused()) { 1575 // Ignore any chip taps until this view is focused. 1576 return super.onTouchEvent(event); 1577 } 1578 boolean handled = super.onTouchEvent(event); 1579 int action = event.getAction(); 1580 boolean chipWasSelected = false; 1581 if (mSelectedChip == null) { 1582 mGestureDetector.onTouchEvent(event); 1583 } 1584 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1585 float x = event.getX(); 1586 float y = event.getY(); 1587 int offset = putOffsetInRange(x, y); 1588 DrawableRecipientChip currentChip = findChip(offset); 1589 if (currentChip != null) { 1590 if (action == MotionEvent.ACTION_UP) { 1591 if (mSelectedChip != null && mSelectedChip != currentChip) { 1592 clearSelectedChip(); 1593 mSelectedChip = selectChip(currentChip); 1594 } else if (mSelectedChip == null) { 1595 setSelection(getText().length()); 1596 commitDefault(); 1597 mSelectedChip = selectChip(currentChip); 1598 } else { 1599 onClick(mSelectedChip, offset, x, y); 1600 } 1601 } 1602 chipWasSelected = true; 1603 handled = true; 1604 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1605 chipWasSelected = true; 1606 } 1607 } 1608 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1609 clearSelectedChip(); 1610 } 1611 return handled; 1612 } 1613 1614 private void scrollLineIntoView(int line) { 1615 if (mScrollView != null) { 1616 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1617 } 1618 } 1619 1620 private void showAlternates(final DrawableRecipientChip currentChip, 1621 final ListPopupWindow alternatesPopup, final int width) { 1622 new AsyncTask<Void, Void, ListAdapter>() { 1623 @Override 1624 protected ListAdapter doInBackground(final Void... params) { 1625 return createAlternatesAdapter(currentChip); 1626 } 1627 1628 @Override 1629 protected void onPostExecute(final ListAdapter result) { 1630 if (!mAttachedToWindow) { 1631 return; 1632 } 1633 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1634 int bottom; 1635 if (line == getLineCount() -1) { 1636 bottom = 0; 1637 } else { 1638 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1639 .abs(getLineCount() - 1 - line))); 1640 } 1641 // Align the alternates popup with the left side of the View, 1642 // regardless of the position of the chip tapped. 1643 alternatesPopup.setWidth(width); 1644 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1645 alternatesPopup.setVerticalOffset(bottom); 1646 alternatesPopup.setAdapter(result); 1647 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1648 // Clear the checked item. 1649 mCheckedItem = -1; 1650 alternatesPopup.show(); 1651 ListView listView = alternatesPopup.getListView(); 1652 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1653 // Checked item would be -1 if the adapter has not 1654 // loaded the view that should be checked yet. The 1655 // variable will be set correctly when onCheckedItemChanged 1656 // is called in a separate thread. 1657 if (mCheckedItem != -1) { 1658 listView.setItemChecked(mCheckedItem, true); 1659 mCheckedItem = -1; 1660 } 1661 } 1662 }.execute((Void[]) null); 1663 } 1664 1665 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1666 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1667 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1668 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1669 } 1670 1671 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1672 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1673 mDropdownChipLayouter); 1674 } 1675 1676 @Override 1677 public void onCheckedItemChanged(int position) { 1678 ListView listView = mAlternatesPopup.getListView(); 1679 if (listView != null && listView.getCheckedItemCount() == 0) { 1680 listView.setItemChecked(position, true); 1681 } 1682 mCheckedItem = position; 1683 } 1684 1685 private int putOffsetInRange(final float x, final float y) { 1686 final int offset; 1687 1688 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1689 offset = getOffsetForPosition(x, y); 1690 } else { 1691 offset = supportGetOffsetForPosition(x, y); 1692 } 1693 1694 return putOffsetInRange(offset); 1695 } 1696 1697 // TODO: This algorithm will need a lot of tweaking after more people have used 1698 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1699 // what comes before the finger. 1700 private int putOffsetInRange(int o) { 1701 int offset = o; 1702 Editable text = getText(); 1703 int length = text.length(); 1704 // Remove whitespace from end to find "real end" 1705 int realLength = length; 1706 for (int i = length - 1; i >= 0; i--) { 1707 if (text.charAt(i) == ' ') { 1708 realLength--; 1709 } else { 1710 break; 1711 } 1712 } 1713 1714 // If the offset is beyond or at the end of the text, 1715 // leave it alone. 1716 if (offset >= realLength) { 1717 return offset; 1718 } 1719 Editable editable = getText(); 1720 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1721 // Keep walking backward! 1722 offset--; 1723 } 1724 return offset; 1725 } 1726 1727 private static int findText(Editable text, int offset) { 1728 if (text.charAt(offset) != ' ') { 1729 return offset; 1730 } 1731 return -1; 1732 } 1733 1734 private DrawableRecipientChip findChip(int offset) { 1735 DrawableRecipientChip[] chips = 1736 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1737 // Find the chip that contains this offset. 1738 for (int i = 0; i < chips.length; i++) { 1739 DrawableRecipientChip chip = chips[i]; 1740 int start = getChipStart(chip); 1741 int end = getChipEnd(chip); 1742 if (offset >= start && offset <= end) { 1743 return chip; 1744 } 1745 } 1746 return null; 1747 } 1748 1749 // Visible for testing. 1750 // Use this method to generate text to add to the list of addresses. 1751 /* package */String createAddressText(RecipientEntry entry) { 1752 String display = entry.getDisplayName(); 1753 String address = entry.getDestination(); 1754 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1755 display = null; 1756 } 1757 String trimmedDisplayText; 1758 if (isPhoneQuery() && isPhoneNumber(address)) { 1759 trimmedDisplayText = address.trim(); 1760 } else { 1761 if (address != null) { 1762 // Tokenize out the address in case the address already 1763 // contained the username as well. 1764 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1765 if (tokenized != null && tokenized.length > 0) { 1766 address = tokenized[0].getAddress(); 1767 } 1768 } 1769 Rfc822Token token = new Rfc822Token(display, address, null); 1770 trimmedDisplayText = token.toString().trim(); 1771 } 1772 int index = trimmedDisplayText.indexOf(","); 1773 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1774 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1775 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1776 } 1777 1778 // Visible for testing. 1779 // Use this method to generate text to display in a chip. 1780 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1781 String display = entry.getDisplayName(); 1782 String address = entry.getDestination(); 1783 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1784 display = null; 1785 } 1786 if (!TextUtils.isEmpty(display)) { 1787 return display; 1788 } else if (!TextUtils.isEmpty(address)){ 1789 return address; 1790 } else { 1791 return new Rfc822Token(display, address, null).toString(); 1792 } 1793 } 1794 1795 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1796 String displayText = createAddressText(entry); 1797 if (TextUtils.isEmpty(displayText)) { 1798 return null; 1799 } 1800 SpannableString chipText = null; 1801 // Always leave a blank space at the end of a chip. 1802 int textLength = displayText.length() - 1; 1803 chipText = new SpannableString(displayText); 1804 if (!mNoChips) { 1805 try { 1806 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1807 chipText.setSpan(chip, 0, textLength, 1808 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1809 chip.setOriginalText(chipText.toString()); 1810 } catch (NullPointerException e) { 1811 Log.e(TAG, e.getMessage(), e); 1812 return null; 1813 } 1814 } 1815 return chipText; 1816 } 1817 1818 /** 1819 * When an item in the suggestions list has been clicked, create a chip from the 1820 * contact information of the selected item. 1821 */ 1822 @Override 1823 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1824 if (position < 0) { 1825 return; 1826 } 1827 1828 final int charactersTyped = submitItemAtPosition(position); 1829 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1830 mRecipientEntryItemClickedListener 1831 .onRecipientEntryItemClicked(charactersTyped, position); 1832 } 1833 } 1834 1835 private int submitItemAtPosition(int position) { 1836 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1837 if (entry == null) { 1838 return -1; 1839 } 1840 clearComposingText(); 1841 1842 int end = getSelectionEnd(); 1843 int start = mTokenizer.findTokenStart(getText(), end); 1844 1845 Editable editable = getText(); 1846 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1847 CharSequence chip = createChip(entry, false); 1848 if (chip != null && start >= 0 && end >= 0) { 1849 editable.replace(start, end, chip); 1850 } 1851 sanitizeBetween(); 1852 1853 return end - start; 1854 } 1855 1856 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1857 if (item == null) { 1858 return null; 1859 } 1860 final RecipientEntry entry; 1861 // If the display name and the address are the same, or if this is a 1862 // valid contact, but the destination is invalid, then make this a fake 1863 // recipient that is editable. 1864 String destination = item.getDestination(); 1865 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1866 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1867 destination, item.isValid()); 1868 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1869 && (TextUtils.isEmpty(item.getDisplayName()) 1870 || TextUtils.equals(item.getDisplayName(), destination) 1871 || (mValidator != null && !mValidator.isValid(destination)))) { 1872 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1873 } else { 1874 entry = item; 1875 } 1876 return entry; 1877 } 1878 1879 // Visible for testing. 1880 /* package */DrawableRecipientChip[] getSortedRecipients() { 1881 DrawableRecipientChip[] recips = getSpannable() 1882 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1883 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1884 Arrays.asList(recips)); 1885 final Spannable spannable = getSpannable(); 1886 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1887 1888 @Override 1889 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1890 int firstStart = spannable.getSpanStart(first); 1891 int secondStart = spannable.getSpanStart(second); 1892 if (firstStart < secondStart) { 1893 return -1; 1894 } else if (firstStart > secondStart) { 1895 return 1; 1896 } else { 1897 return 0; 1898 } 1899 } 1900 }); 1901 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1902 } 1903 1904 @Override 1905 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1906 return false; 1907 } 1908 1909 @Override 1910 public void onDestroyActionMode(ActionMode mode) { 1911 } 1912 1913 @Override 1914 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1915 return false; 1916 } 1917 1918 /** 1919 * No chips are selectable. 1920 */ 1921 @Override 1922 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1923 return false; 1924 } 1925 1926 // Visible for testing. 1927 /* package */ImageSpan getMoreChip() { 1928 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1929 MoreImageSpan.class); 1930 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1931 } 1932 1933 private MoreImageSpan createMoreSpan(int count) { 1934 String moreText = String.format(mMoreItem.getText().toString(), count); 1935 TextPaint morePaint = new TextPaint(getPaint()); 1936 morePaint.setTextSize(mMoreItem.getTextSize()); 1937 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1938 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1939 + mMoreItem.getPaddingRight(); 1940 int height = getLineHeight(); 1941 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1942 Canvas canvas = new Canvas(drawable); 1943 int adjustedHeight = height; 1944 Layout layout = getLayout(); 1945 if (layout != null) { 1946 adjustedHeight -= layout.getLineDescent(0); 1947 } 1948 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1949 1950 Drawable result = new BitmapDrawable(getResources(), drawable); 1951 result.setBounds(0, 0, width, height); 1952 return new MoreImageSpan(result); 1953 } 1954 1955 // Visible for testing. 1956 /*package*/ void createMoreChipPlainText() { 1957 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1958 Editable text = getText(); 1959 int start = 0; 1960 int end = start; 1961 for (int i = 0; i < CHIP_LIMIT; i++) { 1962 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1963 start = end; // move to the next token and get its end. 1964 } 1965 // Now, count total addresses. 1966 start = 0; 1967 int tokenCount = countTokens(text); 1968 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1969 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1970 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1971 text.replace(end, text.length(), chipText); 1972 mMoreChip = moreSpan; 1973 } 1974 1975 // Visible for testing. 1976 /* package */int countTokens(Editable text) { 1977 int tokenCount = 0; 1978 int start = 0; 1979 while (start < text.length()) { 1980 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1981 tokenCount++; 1982 if (start >= text.length()) { 1983 break; 1984 } 1985 } 1986 return tokenCount; 1987 } 1988 1989 /** 1990 * Create the more chip. The more chip is text that replaces any chips that 1991 * do not fit in the pre-defined available space when the 1992 * RecipientEditTextView loses focus. 1993 */ 1994 // Visible for testing. 1995 /* package */ void createMoreChip() { 1996 if (mNoChips) { 1997 createMoreChipPlainText(); 1998 return; 1999 } 2000 2001 if (!mShouldShrink) { 2002 return; 2003 } 2004 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2005 if (tempMore.length > 0) { 2006 getSpannable().removeSpan(tempMore[0]); 2007 } 2008 DrawableRecipientChip[] recipients = getSortedRecipients(); 2009 2010 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2011 mMoreChip = null; 2012 return; 2013 } 2014 Spannable spannable = getSpannable(); 2015 int numRecipients = recipients.length; 2016 int overage = numRecipients - CHIP_LIMIT; 2017 MoreImageSpan moreSpan = createMoreSpan(overage); 2018 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2019 int totalReplaceStart = 0; 2020 int totalReplaceEnd = 0; 2021 Editable text = getText(); 2022 for (int i = numRecipients - overage; i < recipients.length; i++) { 2023 mRemovedSpans.add(recipients[i]); 2024 if (i == numRecipients - overage) { 2025 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2026 } 2027 if (i == recipients.length - 1) { 2028 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2029 } 2030 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2031 int spanStart = spannable.getSpanStart(recipients[i]); 2032 int spanEnd = spannable.getSpanEnd(recipients[i]); 2033 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2034 } 2035 spannable.removeSpan(recipients[i]); 2036 } 2037 if (totalReplaceEnd < text.length()) { 2038 totalReplaceEnd = text.length(); 2039 } 2040 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2041 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2042 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2043 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2044 text.replace(start, end, chipText); 2045 mMoreChip = moreSpan; 2046 // If adding the +more chip goes over the limit, resize accordingly. 2047 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2048 setMaxLines(getLineCount()); 2049 } 2050 } 2051 2052 /** 2053 * Replace the more chip, if it exists, with all of the recipient chips it had 2054 * replaced when the RecipientEditTextView gains focus. 2055 */ 2056 // Visible for testing. 2057 /*package*/ void removeMoreChip() { 2058 if (mMoreChip != null) { 2059 Spannable span = getSpannable(); 2060 span.removeSpan(mMoreChip); 2061 mMoreChip = null; 2062 // Re-add the spans that were removed. 2063 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2064 // Recreate each removed span. 2065 DrawableRecipientChip[] recipients = getSortedRecipients(); 2066 // Start the search for tokens after the last currently visible 2067 // chip. 2068 if (recipients == null || recipients.length == 0) { 2069 return; 2070 } 2071 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2072 Editable editable = getText(); 2073 for (DrawableRecipientChip chip : mRemovedSpans) { 2074 int chipStart; 2075 int chipEnd; 2076 String token; 2077 // Need to find the location of the chip, again. 2078 token = (String) chip.getOriginalText(); 2079 // As we find the matching recipient for the remove spans, 2080 // reduce the size of the string we need to search. 2081 // That way, if there are duplicates, we always find the correct 2082 // recipient. 2083 chipStart = editable.toString().indexOf(token, end); 2084 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2085 // Only set the span if we found a matching token. 2086 if (chipStart != -1) { 2087 editable.setSpan(chip, chipStart, chipEnd, 2088 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2089 } 2090 } 2091 mRemovedSpans.clear(); 2092 } 2093 } 2094 } 2095 2096 /** 2097 * Show specified chip as selected. If the RecipientChip is just an email address, 2098 * selecting the chip will take the contents of the chip and place it at 2099 * the end of the RecipientEditTextView for inline editing. If the 2100 * RecipientChip is a complete contact, then selecting the chip 2101 * will change the background color of the chip, show the delete icon, 2102 * and a popup window with the address in use highlighted and any other 2103 * alternate addresses for the contact. 2104 * @param currentChip Chip to select. 2105 * @return A RecipientChip in the selected state or null if the chip 2106 * just contained an email address. 2107 */ 2108 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2109 if (shouldShowEditableText(currentChip)) { 2110 CharSequence text = currentChip.getValue(); 2111 Editable editable = getText(); 2112 Spannable spannable = getSpannable(); 2113 int spanStart = spannable.getSpanStart(currentChip); 2114 int spanEnd = spannable.getSpanEnd(currentChip); 2115 spannable.removeSpan(currentChip); 2116 editable.delete(spanStart, spanEnd); 2117 setCursorVisible(true); 2118 setSelection(editable.length()); 2119 editable.append(text); 2120 return constructChipSpan( 2121 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2122 true); 2123 } else { 2124 int start = getChipStart(currentChip); 2125 int end = getChipEnd(currentChip); 2126 getSpannable().removeSpan(currentChip); 2127 DrawableRecipientChip newChip; 2128 final boolean showAddress = 2129 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2130 getAdapter().forceShowAddress(); 2131 try { 2132 if (showAddress && mNoChips) { 2133 return null; 2134 } 2135 newChip = constructChipSpan(currentChip.getEntry(), true); 2136 } catch (NullPointerException e) { 2137 Log.e(TAG, e.getMessage(), e); 2138 return null; 2139 } 2140 Editable editable = getText(); 2141 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2142 if (start == -1 || end == -1) { 2143 Log.d(TAG, "The chip being selected no longer exists but should."); 2144 } else { 2145 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2146 } 2147 newChip.setSelected(true); 2148 if (shouldShowEditableText(newChip)) { 2149 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2150 } 2151 if (showAddress) { 2152 showAddress(newChip, mAddressPopup, getWidth()); 2153 } else { 2154 showAlternates(newChip, mAlternatesPopup, getWidth()); 2155 } 2156 setCursorVisible(false); 2157 return newChip; 2158 } 2159 } 2160 2161 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2162 long contactId = currentChip.getContactId(); 2163 return contactId == RecipientEntry.INVALID_CONTACT 2164 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2165 } 2166 2167 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2168 int width) { 2169 if (!mAttachedToWindow) { 2170 return; 2171 } 2172 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2173 int bottom = calculateOffsetFromBottom(line); 2174 // Align the alternates popup with the left side of the View, 2175 // regardless of the position of the chip tapped. 2176 popup.setWidth(width); 2177 popup.setAnchorView(this); 2178 popup.setVerticalOffset(bottom); 2179 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2180 popup.setOnItemClickListener(new OnItemClickListener() { 2181 @Override 2182 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2183 unselectChip(currentChip); 2184 popup.dismiss(); 2185 } 2186 }); 2187 popup.show(); 2188 ListView listView = popup.getListView(); 2189 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2190 listView.setItemChecked(0, true); 2191 } 2192 2193 /** 2194 * Remove selection from this chip. Unselecting a RecipientChip will render 2195 * the chip without a delete icon and with an unfocused background. This is 2196 * called when the RecipientChip no longer has focus. 2197 */ 2198 private void unselectChip(DrawableRecipientChip chip) { 2199 int start = getChipStart(chip); 2200 int end = getChipEnd(chip); 2201 Editable editable = getText(); 2202 mSelectedChip = null; 2203 if (start == -1 || end == -1) { 2204 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2205 setSelection(editable.length()); 2206 commitDefault(); 2207 } else { 2208 getSpannable().removeSpan(chip); 2209 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2210 editable.removeSpan(chip); 2211 try { 2212 if (!mNoChips) { 2213 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2214 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2215 } 2216 } catch (NullPointerException e) { 2217 Log.e(TAG, e.getMessage(), e); 2218 } 2219 } 2220 setCursorVisible(true); 2221 setSelection(editable.length()); 2222 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2223 mAlternatesPopup.dismiss(); 2224 } 2225 } 2226 2227 /** 2228 * Return whether a touch event was inside the delete target of 2229 * a selected chip. It is in the delete target if: 2230 * 1) the x and y points of the event are within the 2231 * delete assset. 2232 * 2) the point tapped would have caused a cursor to appear 2233 * right after the selected chip. 2234 * @return boolean 2235 */ 2236 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2237 // Figure out the bounds of this chip and whether or not 2238 // the user clicked in the X portion. 2239 // TODO: Should x and y be used, or removed? 2240 if (mDisableDelete) { 2241 return false; 2242 } 2243 2244 return chip.isSelected() && 2245 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2246 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2247 } 2248 2249 /** 2250 * Remove the chip and any text associated with it from the RecipientEditTextView. 2251 */ 2252 // Visible for testing. 2253 /* package */void removeChip(DrawableRecipientChip chip) { 2254 Spannable spannable = getSpannable(); 2255 int spanStart = spannable.getSpanStart(chip); 2256 int spanEnd = spannable.getSpanEnd(chip); 2257 Editable text = getText(); 2258 int toDelete = spanEnd; 2259 boolean wasSelected = chip == mSelectedChip; 2260 // Clear that there is a selected chip before updating any text. 2261 if (wasSelected) { 2262 mSelectedChip = null; 2263 } 2264 // Always remove trailing spaces when removing a chip. 2265 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2266 toDelete++; 2267 } 2268 spannable.removeSpan(chip); 2269 if (spanStart >= 0 && toDelete > 0) { 2270 text.delete(spanStart, toDelete); 2271 } 2272 if (wasSelected) { 2273 clearSelectedChip(); 2274 } 2275 } 2276 2277 /** 2278 * Replace this currently selected chip with a new chip 2279 * that uses the contact data provided. 2280 */ 2281 // Visible for testing. 2282 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2283 boolean wasSelected = chip == mSelectedChip; 2284 if (wasSelected) { 2285 mSelectedChip = null; 2286 } 2287 int start = getChipStart(chip); 2288 int end = getChipEnd(chip); 2289 getSpannable().removeSpan(chip); 2290 Editable editable = getText(); 2291 CharSequence chipText = createChip(entry, false); 2292 if (chipText != null) { 2293 if (start == -1 || end == -1) { 2294 Log.e(TAG, "The chip to replace does not exist but should."); 2295 editable.insert(0, chipText); 2296 } else { 2297 if (!TextUtils.isEmpty(chipText)) { 2298 // There may be a space to replace with this chip's new 2299 // associated space. Check for it 2300 int toReplace = end; 2301 while (toReplace >= 0 && toReplace < editable.length() 2302 && editable.charAt(toReplace) == ' ') { 2303 toReplace++; 2304 } 2305 editable.replace(start, toReplace, chipText); 2306 } 2307 } 2308 } 2309 setCursorVisible(true); 2310 if (wasSelected) { 2311 clearSelectedChip(); 2312 } 2313 } 2314 2315 /** 2316 * Handle click events for a chip. When a selected chip receives a click 2317 * event, see if that event was in the delete icon. If so, delete it. 2318 * Otherwise, unselect the chip. 2319 */ 2320 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2321 if (chip.isSelected()) { 2322 if (isInDelete(chip, offset, x, y)) { 2323 removeChip(chip); 2324 } else { 2325 clearSelectedChip(); 2326 } 2327 } 2328 } 2329 2330 private boolean chipsPending() { 2331 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2332 } 2333 2334 @Override 2335 public void removeTextChangedListener(TextWatcher watcher) { 2336 mTextWatcher = null; 2337 super.removeTextChangedListener(watcher); 2338 } 2339 2340 private boolean isValidEmailAddress(String input) { 2341 return !TextUtils.isEmpty(input) && mValidator != null && 2342 mValidator.isValid(input); 2343 } 2344 2345 private class RecipientTextWatcher implements TextWatcher { 2346 2347 @Override 2348 public void afterTextChanged(Editable s) { 2349 // If the text has been set to null or empty, make sure we remove 2350 // all the spans we applied. 2351 if (TextUtils.isEmpty(s)) { 2352 // Remove all the chips spans. 2353 Spannable spannable = getSpannable(); 2354 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2355 DrawableRecipientChip.class); 2356 for (DrawableRecipientChip chip : chips) { 2357 spannable.removeSpan(chip); 2358 } 2359 if (mMoreChip != null) { 2360 spannable.removeSpan(mMoreChip); 2361 } 2362 clearSelectedChip(); 2363 return; 2364 } 2365 // Get whether there are any recipients pending addition to the 2366 // view. If there are, don't do anything in the text watcher. 2367 if (chipsPending()) { 2368 return; 2369 } 2370 // If the user is editing a chip, don't clear it. 2371 if (mSelectedChip != null) { 2372 if (!isGeneratedContact(mSelectedChip)) { 2373 setCursorVisible(true); 2374 setSelection(getText().length()); 2375 clearSelectedChip(); 2376 } else { 2377 return; 2378 } 2379 } 2380 int length = s.length(); 2381 // Make sure there is content there to parse and that it is 2382 // not just the commit character. 2383 if (length > 1) { 2384 if (lastCharacterIsCommitCharacter(s)) { 2385 commitByCharacter(); 2386 return; 2387 } 2388 char last; 2389 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2390 int len = length() - 1; 2391 if (end != len) { 2392 last = s.charAt(end); 2393 } else { 2394 last = s.charAt(len); 2395 } 2396 if (last == COMMIT_CHAR_SPACE) { 2397 if (!isPhoneQuery()) { 2398 // Check if this is a valid email address. If it is, 2399 // commit it. 2400 String text = getText().toString(); 2401 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2402 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2403 tokenStart)); 2404 if (isValidEmailAddress(sub)) { 2405 commitByCharacter(); 2406 } 2407 } 2408 } 2409 } 2410 } 2411 2412 @Override 2413 public void onTextChanged(CharSequence s, int start, int before, int count) { 2414 // The user deleted some text OR some text was replaced; check to 2415 // see if the insertion point is on a space 2416 // following a chip. 2417 if (before - count == 1) { 2418 // If the item deleted is a space, and the thing before the 2419 // space is a chip, delete the entire span. 2420 int selStart = getSelectionStart(); 2421 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2422 DrawableRecipientChip.class); 2423 if (repl.length > 0) { 2424 // There is a chip there! Just remove it. 2425 Editable editable = getText(); 2426 // Add the separator token. 2427 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2428 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2429 tokenEnd = tokenEnd + 1; 2430 if (tokenEnd > editable.length()) { 2431 tokenEnd = editable.length(); 2432 } 2433 editable.delete(tokenStart, tokenEnd); 2434 getSpannable().removeSpan(repl[0]); 2435 } 2436 } else if (count > before) { 2437 if (mSelectedChip != null 2438 && isGeneratedContact(mSelectedChip)) { 2439 if (lastCharacterIsCommitCharacter(s)) { 2440 commitByCharacter(); 2441 return; 2442 } 2443 } 2444 } 2445 } 2446 2447 @Override 2448 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2449 // Do nothing. 2450 } 2451 } 2452 2453 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2454 char last; 2455 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2456 int len = length() - 1; 2457 if (end != len) { 2458 last = s.charAt(end); 2459 } else { 2460 last = s.charAt(len); 2461 } 2462 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2463 } 2464 2465 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2466 long contactId = chip.getContactId(); 2467 return contactId == RecipientEntry.INVALID_CONTACT 2468 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2469 } 2470 2471 /** 2472 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2473 */ 2474 private void handlePasteClip(ClipData clip) { 2475 removeTextChangedListener(mTextWatcher); 2476 2477 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2478 for (int i = 0; i < clip.getItemCount(); i++) { 2479 CharSequence paste = clip.getItemAt(i).getText(); 2480 if (paste != null) { 2481 int start = getSelectionStart(); 2482 int end = getSelectionEnd(); 2483 Editable editable = getText(); 2484 if (start >= 0 && end >= 0 && start != end) { 2485 editable.append(paste, start, end); 2486 } else { 2487 editable.insert(end, paste); 2488 } 2489 handlePasteAndReplace(); 2490 } 2491 } 2492 } 2493 2494 mHandler.post(mAddTextWatcher); 2495 } 2496 2497 @Override 2498 public boolean onTextContextMenuItem(int id) { 2499 if (id == android.R.id.paste) { 2500 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2501 Context.CLIPBOARD_SERVICE); 2502 handlePasteClip(clipboard.getPrimaryClip()); 2503 return true; 2504 } 2505 return super.onTextContextMenuItem(id); 2506 } 2507 2508 private void handlePasteAndReplace() { 2509 ArrayList<DrawableRecipientChip> created = handlePaste(); 2510 if (created != null && created.size() > 0) { 2511 // Perform reverse lookups on the pasted contacts. 2512 IndividualReplacementTask replace = new IndividualReplacementTask(); 2513 replace.execute(created); 2514 } 2515 } 2516 2517 // Visible for testing. 2518 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2519 String text = getText().toString(); 2520 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2521 String lastAddress = text.substring(originalTokenStart); 2522 int tokenStart = originalTokenStart; 2523 int prevTokenStart = 0; 2524 DrawableRecipientChip findChip = null; 2525 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2526 if (tokenStart != 0) { 2527 // There are things before this! 2528 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2529 prevTokenStart = tokenStart; 2530 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2531 findChip = findChip(tokenStart); 2532 if (tokenStart == originalTokenStart && findChip == null) { 2533 break; 2534 } 2535 } 2536 if (tokenStart != originalTokenStart) { 2537 if (findChip != null) { 2538 tokenStart = prevTokenStart; 2539 } 2540 int tokenEnd; 2541 DrawableRecipientChip createdChip; 2542 while (tokenStart < originalTokenStart) { 2543 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2544 tokenStart)); 2545 commitChip(tokenStart, tokenEnd, getText()); 2546 createdChip = findChip(tokenStart); 2547 if (createdChip == null) { 2548 break; 2549 } 2550 // +1 for the space at the end. 2551 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2552 created.add(createdChip); 2553 } 2554 } 2555 } 2556 // Take a look at the last token. If the token has been completed with a 2557 // commit character, create a chip. 2558 if (isCompletedToken(lastAddress)) { 2559 Editable editable = getText(); 2560 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2561 commitChip(tokenStart, editable.length(), editable); 2562 created.add(findChip(tokenStart)); 2563 } 2564 return created; 2565 } 2566 2567 // Visible for testing. 2568 /* package */int movePastTerminators(int tokenEnd) { 2569 if (tokenEnd >= length()) { 2570 return tokenEnd; 2571 } 2572 char atEnd = getText().toString().charAt(tokenEnd); 2573 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2574 tokenEnd++; 2575 } 2576 // This token had not only an end token character, but also a space 2577 // separating it from the next token. 2578 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2579 tokenEnd++; 2580 } 2581 return tokenEnd; 2582 } 2583 2584 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2585 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2586 try { 2587 if (mNoChips) { 2588 return null; 2589 } 2590 return constructChipSpan(entry, false); 2591 } catch (NullPointerException e) { 2592 Log.e(TAG, e.getMessage(), e); 2593 return null; 2594 } 2595 } 2596 2597 @Override 2598 protected void onPreExecute() { 2599 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2600 // replaced 2601 final List<DrawableRecipientChip> originalRecipients = 2602 new ArrayList<DrawableRecipientChip>(); 2603 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2604 for (int i = 0; i < existingChips.length; i++) { 2605 originalRecipients.add(existingChips[i]); 2606 } 2607 if (mRemovedSpans != null) { 2608 originalRecipients.addAll(mRemovedSpans); 2609 } 2610 2611 final List<DrawableRecipientChip> replacements = 2612 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2613 2614 for (final DrawableRecipientChip chip : originalRecipients) { 2615 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2616 && getSpannable().getSpanStart(chip) != -1) { 2617 replacements.add(createFreeChip(chip.getEntry())); 2618 } else { 2619 replacements.add(null); 2620 } 2621 } 2622 2623 processReplacements(originalRecipients, replacements); 2624 } 2625 2626 @Override 2627 protected Void doInBackground(Void... params) { 2628 if (mIndividualReplacements != null) { 2629 mIndividualReplacements.cancel(true); 2630 } 2631 // For each chip in the list, look up the matching contact. 2632 // If there is a match, replace that chip with the matching 2633 // chip. 2634 final ArrayList<DrawableRecipientChip> recipients = 2635 new ArrayList<DrawableRecipientChip>(); 2636 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2637 for (int i = 0; i < existingChips.length; i++) { 2638 recipients.add(existingChips[i]); 2639 } 2640 if (mRemovedSpans != null) { 2641 recipients.addAll(mRemovedSpans); 2642 } 2643 ArrayList<String> addresses = new ArrayList<String>(); 2644 DrawableRecipientChip chip; 2645 for (int i = 0; i < recipients.size(); i++) { 2646 chip = recipients.get(i); 2647 if (chip != null) { 2648 addresses.add(createAddressText(chip.getEntry())); 2649 } 2650 } 2651 final BaseRecipientAdapter adapter = getAdapter(); 2652 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2653 @Override 2654 public void matchesFound(Map<String, RecipientEntry> entries) { 2655 final ArrayList<DrawableRecipientChip> replacements = 2656 new ArrayList<DrawableRecipientChip>(); 2657 for (final DrawableRecipientChip temp : recipients) { 2658 RecipientEntry entry = null; 2659 if (temp != null && RecipientEntry.isCreatedRecipient( 2660 temp.getEntry().getContactId()) 2661 && getSpannable().getSpanStart(temp) != -1) { 2662 // Replace this. 2663 entry = createValidatedEntry( 2664 entries.get(tokenizeAddress(temp.getEntry() 2665 .getDestination()))); 2666 } 2667 if (entry != null) { 2668 replacements.add(createFreeChip(entry)); 2669 } else { 2670 replacements.add(null); 2671 } 2672 } 2673 processReplacements(recipients, replacements); 2674 } 2675 2676 @Override 2677 public void matchesNotFound(final Set<String> unfoundAddresses) { 2678 final List<DrawableRecipientChip> replacements = 2679 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2680 2681 for (final DrawableRecipientChip temp : recipients) { 2682 if (temp != null && RecipientEntry.isCreatedRecipient( 2683 temp.getEntry().getContactId()) 2684 && getSpannable().getSpanStart(temp) != -1) { 2685 if (unfoundAddresses.contains( 2686 temp.getEntry().getDestination())) { 2687 replacements.add(createFreeChip(temp.getEntry())); 2688 } else { 2689 replacements.add(null); 2690 } 2691 } else { 2692 replacements.add(null); 2693 } 2694 } 2695 2696 processReplacements(recipients, replacements); 2697 } 2698 }); 2699 return null; 2700 } 2701 2702 private void processReplacements(final List<DrawableRecipientChip> recipients, 2703 final List<DrawableRecipientChip> replacements) { 2704 if (replacements != null && replacements.size() > 0) { 2705 final Runnable runnable = new Runnable() { 2706 @Override 2707 public void run() { 2708 final Editable text = new SpannableStringBuilder(getText()); 2709 int i = 0; 2710 for (final DrawableRecipientChip chip : recipients) { 2711 final DrawableRecipientChip replacement = replacements.get(i); 2712 if (replacement != null) { 2713 final RecipientEntry oldEntry = chip.getEntry(); 2714 final RecipientEntry newEntry = replacement.getEntry(); 2715 final boolean isBetter = 2716 RecipientAlternatesAdapter.getBetterRecipient( 2717 oldEntry, newEntry) == newEntry; 2718 2719 if (isBetter) { 2720 // Find the location of the chip in the text currently shown. 2721 final int start = text.getSpanStart(chip); 2722 if (start != -1) { 2723 // Replacing the entirety of what the chip represented, 2724 // including the extra space dividing it from other chips. 2725 final int end = 2726 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2727 text.removeSpan(chip); 2728 // Make sure we always have just 1 space at the end to 2729 // separate this chip from the next chip. 2730 final SpannableString displayText = 2731 new SpannableString(createAddressText( 2732 replacement.getEntry()).trim() + " "); 2733 displayText.setSpan(replacement, 0, 2734 displayText.length() - 1, 2735 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2736 // Replace the old text we found with with the new display 2737 // text, which now may also contain the display name of the 2738 // recipient. 2739 text.replace(start, end, displayText); 2740 replacement.setOriginalText(displayText.toString()); 2741 replacements.set(i, null); 2742 2743 recipients.set(i, replacement); 2744 } 2745 } 2746 } 2747 i++; 2748 } 2749 setText(text); 2750 } 2751 }; 2752 2753 if (Looper.myLooper() == Looper.getMainLooper()) { 2754 runnable.run(); 2755 } else { 2756 mHandler.post(runnable); 2757 } 2758 } 2759 } 2760 } 2761 2762 private class IndividualReplacementTask 2763 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2764 @Override 2765 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2766 // For each chip in the list, look up the matching contact. 2767 // If there is a match, replace that chip with the matching 2768 // chip. 2769 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2770 ArrayList<String> addresses = new ArrayList<String>(); 2771 DrawableRecipientChip chip; 2772 for (int i = 0; i < originalRecipients.size(); i++) { 2773 chip = originalRecipients.get(i); 2774 if (chip != null) { 2775 addresses.add(createAddressText(chip.getEntry())); 2776 } 2777 } 2778 final BaseRecipientAdapter adapter = getAdapter(); 2779 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2780 2781 @Override 2782 public void matchesFound(Map<String, RecipientEntry> entries) { 2783 for (final DrawableRecipientChip temp : originalRecipients) { 2784 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2785 .getContactId()) 2786 && getSpannable().getSpanStart(temp) != -1) { 2787 // Replace this. 2788 final RecipientEntry entry = createValidatedEntry(entries 2789 .get(tokenizeAddress(temp.getEntry().getDestination()) 2790 .toLowerCase())); 2791 if (entry != null) { 2792 mHandler.post(new Runnable() { 2793 @Override 2794 public void run() { 2795 replaceChip(temp, entry); 2796 } 2797 }); 2798 } 2799 } 2800 } 2801 } 2802 2803 @Override 2804 public void matchesNotFound(final Set<String> unfoundAddresses) { 2805 // No action required 2806 } 2807 }); 2808 return null; 2809 } 2810 } 2811 2812 2813 /** 2814 * MoreImageSpan is a simple class created for tracking the existence of a 2815 * more chip across activity restarts/ 2816 */ 2817 private class MoreImageSpan extends ImageSpan { 2818 public MoreImageSpan(Drawable b) { 2819 super(b); 2820 } 2821 } 2822 2823 @Override 2824 public boolean onDown(MotionEvent e) { 2825 return false; 2826 } 2827 2828 @Override 2829 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2830 // Do nothing. 2831 return false; 2832 } 2833 2834 @Override 2835 public void onLongPress(MotionEvent event) { 2836 if (mSelectedChip != null) { 2837 return; 2838 } 2839 float x = event.getX(); 2840 float y = event.getY(); 2841 final int offset = putOffsetInRange(x, y); 2842 DrawableRecipientChip currentChip = findChip(offset); 2843 if (currentChip != null) { 2844 if (mDragEnabled) { 2845 // Start drag-and-drop for the selected chip. 2846 startDrag(currentChip); 2847 } else { 2848 // Copy the selected chip email address. 2849 showCopyDialog(currentChip.getEntry().getDestination()); 2850 } 2851 } 2852 } 2853 2854 // The following methods are used to provide some functionality on older versions of Android 2855 // These methods were copied out of JB MR2's TextView 2856 ///////////////////////////////////////////////// 2857 private int supportGetOffsetForPosition(float x, float y) { 2858 if (getLayout() == null) return -1; 2859 final int line = supportGetLineAtCoordinate(y); 2860 final int offset = supportGetOffsetAtCoordinate(line, x); 2861 return offset; 2862 } 2863 2864 private float supportConvertToLocalHorizontalCoordinate(float x) { 2865 x -= getTotalPaddingLeft(); 2866 // Clamp the position to inside of the view. 2867 x = Math.max(0.0f, x); 2868 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2869 x += getScrollX(); 2870 return x; 2871 } 2872 2873 private int supportGetLineAtCoordinate(float y) { 2874 y -= getTotalPaddingLeft(); 2875 // Clamp the position to inside of the view. 2876 y = Math.max(0.0f, y); 2877 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2878 y += getScrollY(); 2879 return getLayout().getLineForVertical((int) y); 2880 } 2881 2882 private int supportGetOffsetAtCoordinate(int line, float x) { 2883 x = supportConvertToLocalHorizontalCoordinate(x); 2884 return getLayout().getOffsetForHorizontal(line, x); 2885 } 2886 ///////////////////////////////////////////////// 2887 2888 /** 2889 * Enables drag-and-drop for chips. 2890 */ 2891 public void enableDrag() { 2892 mDragEnabled = true; 2893 } 2894 2895 /** 2896 * Starts drag-and-drop for the selected chip. 2897 */ 2898 private void startDrag(DrawableRecipientChip currentChip) { 2899 String address = currentChip.getEntry().getDestination(); 2900 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2901 2902 // Start drag mode. 2903 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2904 2905 // Remove the current chip, so drag-and-drop will result in a move. 2906 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2907 removeChip(currentChip); 2908 } 2909 2910 /** 2911 * Handles drag event. 2912 */ 2913 @Override 2914 public boolean onDragEvent(DragEvent event) { 2915 switch (event.getAction()) { 2916 case DragEvent.ACTION_DRAG_STARTED: 2917 // Only handle plain text drag and drop. 2918 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2919 case DragEvent.ACTION_DRAG_ENTERED: 2920 requestFocus(); 2921 return true; 2922 case DragEvent.ACTION_DROP: 2923 handlePasteClip(event.getClipData()); 2924 return true; 2925 } 2926 return false; 2927 } 2928 2929 /** 2930 * Drag shadow for a {@link DrawableRecipientChip}. 2931 */ 2932 private final class RecipientChipShadow extends DragShadowBuilder { 2933 private final DrawableRecipientChip mChip; 2934 2935 public RecipientChipShadow(DrawableRecipientChip chip) { 2936 mChip = chip; 2937 } 2938 2939 @Override 2940 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2941 Rect rect = mChip.getBounds(); 2942 shadowSize.set(rect.width(), rect.height()); 2943 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2944 } 2945 2946 @Override 2947 public void onDrawShadow(Canvas canvas) { 2948 mChip.draw(canvas); 2949 } 2950 } 2951 2952 private void showCopyDialog(final String address) { 2953 if (!mAttachedToWindow) { 2954 return; 2955 } 2956 mCopyAddress = address; 2957 mCopyDialog.setTitle(address); 2958 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2959 mCopyDialog.setCancelable(true); 2960 mCopyDialog.setCanceledOnTouchOutside(true); 2961 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2962 button.setOnClickListener(this); 2963 int btnTitleId; 2964 if (isPhoneQuery()) { 2965 btnTitleId = R.string.copy_number; 2966 } else { 2967 btnTitleId = R.string.copy_email; 2968 } 2969 String buttonTitle = getContext().getResources().getString(btnTitleId); 2970 button.setText(buttonTitle); 2971 mCopyDialog.setOnDismissListener(this); 2972 mCopyDialog.show(); 2973 } 2974 2975 @Override 2976 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2977 // Do nothing. 2978 return false; 2979 } 2980 2981 @Override 2982 public void onShowPress(MotionEvent e) { 2983 // Do nothing. 2984 } 2985 2986 @Override 2987 public boolean onSingleTapUp(MotionEvent e) { 2988 // Do nothing. 2989 return false; 2990 } 2991 2992 @Override 2993 public void onDismiss(DialogInterface dialog) { 2994 mCopyAddress = null; 2995 } 2996 2997 @Override 2998 public void onClick(View v) { 2999 // Copy this to the clipboard. 3000 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3001 Context.CLIPBOARD_SERVICE); 3002 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3003 mCopyDialog.dismiss(); 3004 } 3005 3006 protected boolean isPhoneQuery() { 3007 return getAdapter() != null 3008 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3009 } 3010 3011 @Override 3012 public BaseRecipientAdapter getAdapter() { 3013 return (BaseRecipientAdapter) super.getAdapter(); 3014 } 3015 3016 /** 3017 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3018 * unfinished text at the end. 3019 */ 3020 public void appendRecipientEntry(final RecipientEntry entry) { 3021 clearComposingText(); 3022 3023 final Editable editable = getText(); 3024 int chipInsertionPoint = 0; 3025 3026 // Find the end of last chip and see if there's any unchipified text. 3027 final DrawableRecipientChip[] recips = getSortedRecipients(); 3028 if (recips != null && recips.length > 0) { 3029 final DrawableRecipientChip last = recips[recips.length - 1]; 3030 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3031 // the insertion point will be kept untouched. 3032 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3033 } 3034 3035 final CharSequence chip = createChip(entry, false); 3036 if (chip != null) { 3037 editable.insert(chipInsertionPoint, chip); 3038 } 3039 } 3040 3041 private static class ChipBitmapContainer { 3042 Bitmap bitmap; 3043 // information used for positioning the loaded icon 3044 boolean loadIcon = true; 3045 float left; 3046 float top; 3047 float right; 3048 float bottom; 3049 } 3050} 3051