RecipientEditTextView.java revision 0efdc53cd0d040c1a27a7d39003916e54e284be2
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.Canvas; 32import android.graphics.Matrix; 33import android.graphics.Paint; 34import android.graphics.Point; 35import android.graphics.Rect; 36import android.graphics.RectF; 37import android.graphics.drawable.BitmapDrawable; 38import android.graphics.drawable.Drawable; 39import android.os.AsyncTask; 40import android.os.Build; 41import android.os.Handler; 42import android.os.Looper; 43import android.os.Message; 44import android.os.Parcelable; 45import android.text.Editable; 46import android.text.InputType; 47import android.text.Layout; 48import android.text.Spannable; 49import android.text.SpannableString; 50import android.text.SpannableStringBuilder; 51import android.text.Spanned; 52import android.text.TextPaint; 53import android.text.TextUtils; 54import android.text.TextWatcher; 55import android.text.method.QwertyKeyListener; 56import android.text.style.ImageSpan; 57import android.text.util.Rfc822Token; 58import android.text.util.Rfc822Tokenizer; 59import android.util.AttributeSet; 60import android.util.Log; 61import android.util.TypedValue; 62import android.view.ActionMode; 63import android.view.ActionMode.Callback; 64import android.view.DragEvent; 65import android.view.GestureDetector; 66import android.view.KeyEvent; 67import android.view.LayoutInflater; 68import android.view.Menu; 69import android.view.MenuItem; 70import android.view.MotionEvent; 71import android.view.View; 72import android.view.View.OnClickListener; 73import android.view.ViewParent; 74import android.view.inputmethod.EditorInfo; 75import android.view.inputmethod.InputConnection; 76import android.widget.AdapterView; 77import android.widget.AdapterView.OnItemClickListener; 78import android.widget.Button; 79import android.widget.Filterable; 80import android.widget.ListAdapter; 81import android.widget.ListPopupWindow; 82import android.widget.ListView; 83import android.widget.MultiAutoCompleteTextView; 84import android.widget.ScrollView; 85import android.widget.TextView; 86 87import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 88import com.android.ex.chips.recipientchip.DrawableRecipientChip; 89import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 90import com.android.ex.chips.recipientchip.VisibleRecipientChip; 91 92import java.util.ArrayList; 93import java.util.Arrays; 94import java.util.Collections; 95import java.util.Comparator; 96import java.util.List; 97import java.util.Map; 98import java.util.Set; 99import java.util.regex.Matcher; 100import java.util.regex.Pattern; 101 102/** 103 * RecipientEditTextView is an auto complete text view for use with applications 104 * that use the new Chips UI for addressing a message to recipients. 105 */ 106public class RecipientEditTextView extends MultiAutoCompleteTextView implements 107 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 108 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 109 TextView.OnEditorActionListener { 110 111 private static final char COMMIT_CHAR_COMMA = ','; 112 113 private static final char COMMIT_CHAR_SEMICOLON = ';'; 114 115 private static final char COMMIT_CHAR_SPACE = ' '; 116 117 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 118 + String.valueOf(COMMIT_CHAR_SPACE); 119 120 private static final String TAG = "RecipientEditTextView"; 121 122 private static final int DISMISS = "dismiss".hashCode(); 123 124 private static final long DISMISS_DELAY = 300; 125 126 // TODO: get correct number/ algorithm from with UX. 127 // Visible for testing. 128 /*package*/ static final int CHIP_LIMIT = 2; 129 130 private static final int MAX_CHIPS_PARSED = 50; 131 132 private static int sSelectedTextColor = -1; 133 134 // Resources for displaying chips. 135 private Drawable mChipBackground = null; 136 137 private Drawable mChipDelete = null; 138 139 private Drawable mInvalidChipBackground; 140 141 private Drawable mChipBackgroundPressed; 142 143 private float mChipHeight; 144 145 private float mChipFontSize; 146 147 private float mLineSpacingExtra; 148 149 private int mChipPadding; 150 151 /** 152 * Enumerator for avatar position. See attr.xml for more details. 153 * 0 for end, 1 for start. 154 */ 155 private int mAvatarPosition; 156 157 private static final int AVATAR_POSITION_END = 0; 158 159 private static final int AVATAR_POSITION_START = 1; 160 161 /** 162 * Enumerator for image span alignment. See attr.xml for more details. 163 * 0 for bottom, 1 for baseline. 164 */ 165 private int mImageSpanAlignment; 166 167 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 168 169 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 170 171 172 private boolean mDisableDelete; 173 174 private Tokenizer mTokenizer; 175 176 private Validator mValidator; 177 178 private DrawableRecipientChip mSelectedChip; 179 180 private Bitmap mDefaultContactPhoto; 181 182 private ImageSpan mMoreChip; 183 184 private TextView mMoreItem; 185 186 // VisibleForTesting 187 final ArrayList<String> mPendingChips = new ArrayList<String>(); 188 189 private Handler mHandler; 190 191 private int mPendingChipsCount = 0; 192 193 private boolean mNoChips = false; 194 195 private ListPopupWindow mAlternatesPopup; 196 197 private ListPopupWindow mAddressPopup; 198 199 // VisibleForTesting 200 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 201 202 private ArrayList<DrawableRecipientChip> mRemovedSpans; 203 204 private boolean mShouldShrink = true; 205 206 // Chip copy fields. 207 private GestureDetector mGestureDetector; 208 209 private Dialog mCopyDialog; 210 211 private String mCopyAddress; 212 213 /** 214 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 215 * selected chip. 216 */ 217 private OnItemClickListener mAlternatesListener; 218 219 private int mCheckedItem; 220 221 private TextWatcher mTextWatcher; 222 223 // Obtain the enclosing scroll view, if it exists, so that the view can be 224 // scrolled to show the last line of chips content. 225 private ScrollView mScrollView; 226 227 private boolean mTriedGettingScrollView; 228 229 private boolean mDragEnabled = false; 230 231 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 232 // parens, so numbers such as "1 (425) 222-2342" match. 233 private static final Pattern PHONE_PATTERN 234 = Pattern.compile( // sdd = space, dot, or dash 235 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 236 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 237 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 238 239 private final Runnable mAddTextWatcher = new Runnable() { 240 @Override 241 public void run() { 242 if (mTextWatcher == null) { 243 mTextWatcher = new RecipientTextWatcher(); 244 addTextChangedListener(mTextWatcher); 245 } 246 } 247 }; 248 249 private IndividualReplacementTask mIndividualReplacements; 250 251 private Runnable mHandlePendingChips = new Runnable() { 252 253 @Override 254 public void run() { 255 handlePendingChips(); 256 } 257 258 }; 259 260 private Runnable mDelayedShrink = new Runnable() { 261 262 @Override 263 public void run() { 264 shrink(); 265 } 266 267 }; 268 269 private int mMaxLines; 270 271 private static int sExcessTopPadding = -1; 272 273 private int mActionBarHeight; 274 275 private boolean mAttachedToWindow; 276 277 private DropdownChipLayouter mDropdownChipLayouter; 278 279 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 280 281 public interface RecipientEntryItemClickedListener { 282 /** 283 * Callback that occurs whenever an auto-complete suggestion is clicked. 284 * @param charactersTyped the number of characters typed by the user to provide the 285 * auto-complete suggestions. 286 * @param position the position in the dropdown list that the user clicked 287 */ 288 void onRecipientEntryItemClicked(int charactersTyped, int position); 289 } 290 291 public RecipientEditTextView(Context context, AttributeSet attrs) { 292 super(context, attrs); 293 setChipDimensions(context, attrs); 294 if (sSelectedTextColor == -1) { 295 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 296 } 297 mAlternatesPopup = new ListPopupWindow(context); 298 mAddressPopup = new ListPopupWindow(context); 299 mCopyDialog = new Dialog(context); 300 mAlternatesListener = new OnItemClickListener() { 301 @Override 302 public void onItemClick(AdapterView<?> adapterView,View view, int position, 303 long rowId) { 304 mAlternatesPopup.setOnItemClickListener(null); 305 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 306 .getRecipientEntry(position)); 307 Message delayed = Message.obtain(mHandler, DISMISS); 308 delayed.obj = mAlternatesPopup; 309 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 310 clearComposingText(); 311 } 312 }; 313 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 314 setOnItemClickListener(this); 315 setCustomSelectionActionModeCallback(this); 316 mHandler = new Handler() { 317 @Override 318 public void handleMessage(Message msg) { 319 if (msg.what == DISMISS) { 320 ((ListPopupWindow) msg.obj).dismiss(); 321 return; 322 } 323 super.handleMessage(msg); 324 } 325 }; 326 mTextWatcher = new RecipientTextWatcher(); 327 addTextChangedListener(mTextWatcher); 328 mGestureDetector = new GestureDetector(context, this); 329 setOnEditorActionListener(this); 330 331 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 332 } 333 334 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 335 mDropdownChipLayouter = dropdownChipLayouter; 336 } 337 338 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 339 mRecipientEntryItemClickedListener = listener; 340 } 341 342 @Override 343 protected void onDetachedFromWindow() { 344 super.onDetachedFromWindow(); 345 mAttachedToWindow = false; 346 } 347 348 @Override 349 protected void onAttachedToWindow() { 350 super.onAttachedToWindow(); 351 mAttachedToWindow = true; 352 } 353 354 @Override 355 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 356 if (action == EditorInfo.IME_ACTION_DONE) { 357 if (commitDefault()) { 358 return true; 359 } 360 if (mSelectedChip != null) { 361 clearSelectedChip(); 362 return true; 363 } else if (focusNext()) { 364 return true; 365 } 366 } 367 return false; 368 } 369 370 @Override 371 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 372 InputConnection connection = super.onCreateInputConnection(outAttrs); 373 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 374 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 375 // clear the existing action 376 outAttrs.imeOptions ^= imeActions; 377 // set the DONE action 378 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 379 } 380 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 381 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 382 } 383 384 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 385 outAttrs.actionLabel = getContext().getString(R.string.done); 386 return connection; 387 } 388 389 /*package*/ DrawableRecipientChip getLastChip() { 390 DrawableRecipientChip last = null; 391 DrawableRecipientChip[] chips = getSortedRecipients(); 392 if (chips != null && chips.length > 0) { 393 last = chips[chips.length - 1]; 394 } 395 return last; 396 } 397 398 /** 399 * @return The list of {@link RecipientEntry}s that have been selected by the user. 400 */ 401 public List<RecipientEntry> getSelectedRecipients() { 402 DrawableRecipientChip[] chips = 403 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 404 List<RecipientEntry> results = new ArrayList(); 405 if (chips == null) { 406 return results; 407 } 408 409 for (DrawableRecipientChip c : chips) { 410 results.add(c.getEntry()); 411 } 412 413 return results; 414 } 415 416 @Override 417 public void onSelectionChanged(int start, int end) { 418 // When selection changes, see if it is inside the chips area. 419 // If so, move the cursor back after the chips again. 420 DrawableRecipientChip last = getLastChip(); 421 if (last != null && start < getSpannable().getSpanEnd(last)) { 422 // Grab the last chip and set the cursor to after it. 423 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 424 } 425 super.onSelectionChanged(start, end); 426 } 427 428 @Override 429 public void onRestoreInstanceState(Parcelable state) { 430 if (!TextUtils.isEmpty(getText())) { 431 super.onRestoreInstanceState(null); 432 } else { 433 super.onRestoreInstanceState(state); 434 } 435 } 436 437 @Override 438 public Parcelable onSaveInstanceState() { 439 // If the user changes orientation while they are editing, just roll back the selection. 440 clearSelectedChip(); 441 return super.onSaveInstanceState(); 442 } 443 444 /** 445 * Convenience method: Append the specified text slice to the TextView's 446 * display buffer, upgrading it to BufferType.EDITABLE if it was 447 * not already editable. Commas are excluded as they are added automatically 448 * by the view. 449 */ 450 @Override 451 public void append(CharSequence text, int start, int end) { 452 // We don't care about watching text changes while appending. 453 if (mTextWatcher != null) { 454 removeTextChangedListener(mTextWatcher); 455 } 456 super.append(text, start, end); 457 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 458 String displayString = text.toString(); 459 460 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 461 // We have no separator, so we should add it 462 super.append(SEPARATOR, 0, SEPARATOR.length()); 463 displayString += SEPARATOR; 464 } 465 466 if (!TextUtils.isEmpty(displayString) 467 && TextUtils.getTrimmedLength(displayString) > 0) { 468 mPendingChipsCount++; 469 mPendingChips.add(displayString); 470 } 471 } 472 // Put a message on the queue to make sure we ALWAYS handle pending 473 // chips. 474 if (mPendingChipsCount > 0) { 475 postHandlePendingChips(); 476 } 477 mHandler.post(mAddTextWatcher); 478 } 479 480 @Override 481 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 482 super.onFocusChanged(hasFocus, direction, previous); 483 if (!hasFocus) { 484 shrink(); 485 } else { 486 expand(); 487 } 488 } 489 490 private int getExcessTopPadding() { 491 if (sExcessTopPadding == -1) { 492 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 493 } 494 return sExcessTopPadding; 495 } 496 497 @Override 498 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 499 super.setAdapter(adapter); 500 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 501 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 502 @Override 503 public void onChanged(List<RecipientEntry> entries) { 504 // Scroll the chips field to the top of the screen so 505 // that the user can see as many results as possible. 506 if (entries != null && entries.size() > 0) { 507 scrollBottomIntoView(); 508 } 509 } 510 }); 511 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 512 } 513 514 protected void scrollBottomIntoView() { 515 if (mScrollView != null && mShouldShrink) { 516 int[] location = new int[2]; 517 getLocationOnScreen(location); 518 int height = getHeight(); 519 int currentPos = location[1] + height; 520 // Desired position shows at least 1 line of chips below the action 521 // bar. We add excess padding to make sure this is always below other 522 // content. 523 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 524 if (currentPos > desiredPos) { 525 mScrollView.scrollBy(0, currentPos - desiredPos); 526 } 527 } 528 } 529 530 protected ScrollView getScrollView() { 531 return mScrollView; 532 } 533 534 @Override 535 public void performValidation() { 536 // Do nothing. Chips handles its own validation. 537 } 538 539 private void shrink() { 540 if (mTokenizer == null) { 541 return; 542 } 543 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 544 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 545 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 546 clearSelectedChip(); 547 } else { 548 if (getWidth() <= 0) { 549 // We don't have the width yet which means the view hasn't been drawn yet 550 // and there is no reason to attempt to commit chips yet. 551 // This focus lost must be the result of an orientation change 552 // or an initial rendering. 553 // Re-post the shrink for later. 554 mHandler.removeCallbacks(mDelayedShrink); 555 mHandler.post(mDelayedShrink); 556 return; 557 } 558 // Reset any pending chips as they would have been handled 559 // when the field lost focus. 560 if (mPendingChipsCount > 0) { 561 postHandlePendingChips(); 562 } else { 563 Editable editable = getText(); 564 int end = getSelectionEnd(); 565 int start = mTokenizer.findTokenStart(editable, end); 566 DrawableRecipientChip[] chips = 567 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 568 if ((chips == null || chips.length == 0)) { 569 Editable text = getText(); 570 int whatEnd = mTokenizer.findTokenEnd(text, start); 571 // This token was already tokenized, so skip past the ending token. 572 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 573 whatEnd = movePastTerminators(whatEnd); 574 } 575 // In the middle of chip; treat this as an edit 576 // and commit the whole token. 577 int selEnd = getSelectionEnd(); 578 if (whatEnd != selEnd) { 579 handleEdit(start, whatEnd); 580 } else { 581 commitChip(start, end, editable); 582 } 583 } 584 } 585 mHandler.post(mAddTextWatcher); 586 } 587 createMoreChip(); 588 } 589 590 private void expand() { 591 if (mShouldShrink) { 592 setMaxLines(Integer.MAX_VALUE); 593 } 594 removeMoreChip(); 595 setCursorVisible(true); 596 Editable text = getText(); 597 setSelection(text != null && text.length() > 0 ? text.length() : 0); 598 // If there are any temporary chips, try replacing them now that the user 599 // has expanded the field. 600 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 601 new RecipientReplacementTask().execute(); 602 mTemporaryRecipients = null; 603 } 604 } 605 606 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 607 paint.setTextSize(mChipFontSize); 608 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 609 Log.d(TAG, "Max width is negative: " + maxWidth); 610 } 611 return TextUtils.ellipsize(text, paint, maxWidth, 612 TextUtils.TruncateAt.END); 613 } 614 615 /** 616 * Creates a bitmap of the given contact on a selected chip. 617 * 618 * @param contact The recipient entry to pull data from. 619 * @param paint The paint to use to draw the bitmap. 620 */ 621 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 622 paint.setColor(sSelectedTextColor); 623 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 624 mChipBackgroundPressed); 625 626 if (bitmapContainer.loadIcon) { 627 if (mDisableDelete) { 628 // Show the avatar instead if we don't want to delete 629 loadAvatarIcon(contact, bitmapContainer, paint); 630 } else { 631 drawIcon(bitmapContainer, ((BitmapDrawable) mChipDelete).getBitmap(), paint); 632 } 633 } 634 635 return bitmapContainer.bitmap; 636 } 637 638 /** 639 * Creates a bitmap of the given contact on a selected chip. 640 * 641 * @param contact The recipient entry to pull data from. 642 * @param paint The paint to use to draw the bitmap. 643 */ 644 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 645 Drawable background = getChipBackground(contact); 646 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 647 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, background); 648 649 if (bitmapContainer.loadIcon) { 650 loadAvatarIcon(contact, bitmapContainer, paint); 651 } 652 return bitmapContainer.bitmap; 653 } 654 655 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 656 Drawable background) { 657 final ChipBitmapContainer result = new ChipBitmapContainer(); 658 659 if (background == null) { 660 Log.w(TAG, "Unable to draw a background for the chip as it was never set"); 661 result.bitmap = Bitmap.createBitmap( 662 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 663 result.loadIcon = false; 664 return result; 665 } 666 667 Rect backgroundPadding = new Rect(); 668 background.getPadding(backgroundPadding); 669 670 // Ellipsize the text so that it takes AT MOST the entire width of the 671 // autocomplete text entry area. Make sure to leave space for padding 672 // on the sides. 673 int height = (int) mChipHeight; 674 // Since the icon is a square, it's width is equal to the maximum height it can be inside 675 // the chip. 676 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 677 float[] widths = new float[1]; 678 paint.getTextWidths(" ", widths); 679 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 680 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 681 - backgroundPadding.right);; 682 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 683 684 // Make sure there is a minimum chip width so the user can ALWAYS 685 // tap a chip without difficulty. 686 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 687 + backgroundPadding.left + backgroundPadding.right); 688 689 // Create the background of the chip. 690 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 691 final Canvas canvas = new Canvas(result.bitmap); 692 693 // Draw the background drawable 694 background.setBounds(0, 0, width, height); 695 background.draw(canvas); 696 // Draw the text vertically aligned 697 int textX = shouldPositionAvatarOnRight() ? 698 mChipPadding + backgroundPadding.left : 699 width - backgroundPadding.right - mChipPadding - textWidth; 700 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 701 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 702 703 // Set the variables that are needed to draw the icon bitmap once it's loaded 704 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 705 backgroundPadding.left; 706 result.left = iconX; 707 result.top = backgroundPadding.top; 708 result.right = iconX + iconWidth; 709 result.bottom = height - backgroundPadding.bottom; 710 711 return result; 712 } 713 714 /** 715 * Helper function that draws the loaded icon bitmap into the chips bitmap 716 */ 717 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon, Paint paint) { 718 final Canvas canvas = new Canvas(bitMapResult.bitmap); 719 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 720 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 721 bitMapResult.bottom); 722 drawIconOnCanvas(icon, canvas, paint, src, dst); 723 } 724 725 /** 726 * Returns true if the avatar should be positioned at the right edge of the chip. 727 * Takes into account both the set avatar position (start or end) as well as whether 728 * the layout direction is LTR or RTL. 729 */ 730 private boolean shouldPositionAvatarOnRight() { 731 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 732 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 733 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 734 // If in Rtl mode, the position should be flipped. 735 return isRtl ? !assignedPosition : assignedPosition; 736 } 737 738 /** 739 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 740 * draw an icon for this recipient. 741 */ 742 private void loadAvatarIcon(final RecipientEntry contact, 743 final ChipBitmapContainer bitmapContainer, final Paint paint) { 744 // Don't draw photos for recipients that have been typed in OR generated on the fly. 745 long contactId = contact.getContactId(); 746 boolean drawPhotos = isPhoneQuery() ? 747 contactId != RecipientEntry.INVALID_CONTACT 748 : (contactId != RecipientEntry.INVALID_CONTACT 749 && (contactId != RecipientEntry.GENERATED_CONTACT && 750 !TextUtils.isEmpty(contact.getDisplayName()))); 751 752 if (drawPhotos) { 753 final byte[] origPhotoBytes = contact.getPhotoBytes(); 754 // There may not be a photo yet if anything but the first contact address 755 // was selected. 756 if (origPhotoBytes == null) { 757 // TODO: cache this in the recipient entry? 758 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 759 @Override 760 public void onPhotoBytesAsynchronouslyPopulated() { 761 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 762 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 763 loadedPhotoBytes.length); 764 // This is called on the main thread so we can draw the icon here 765 drawIcon(bitmapContainer, icon, paint); 766 // The view might not redraw itself since it's loaded in the background 767 invalidate(); 768 } 769 770 @Override 771 public void onPhotoBytesAsyncLoadFailed() { 772 // TODO: can the scaled down default photo be cached? 773 drawIcon(bitmapContainer, mDefaultContactPhoto, paint); 774 // The view might not redraw itself since it's loaded in the background 775 invalidate(); 776 } 777 }); 778 } else { 779 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 780 origPhotoBytes.length); 781 drawIcon(bitmapContainer, icon, paint); 782 } 783 } 784 } 785 786 /** 787 * Get the background drawable for a RecipientChip. 788 */ 789 // Visible for testing. 790 /* package */Drawable getChipBackground(RecipientEntry contact) { 791 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 792 } 793 794 /** 795 * Given a height, returns a Y offset that will draw the text in the middle of the height. 796 */ 797 protected float getTextYOffset(String text, TextPaint paint, int height) { 798 Rect bounds = new Rect(); 799 paint.getTextBounds(text, 0, text.length(), bounds); 800 int textHeight = bounds.bottom - bounds.top ; 801 return height - ((height - textHeight) / 2) - (int)paint.descent(); 802 } 803 804 /** 805 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 806 * rectangle of the canvas. 807 */ 808 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 809 Matrix matrix = new Matrix(); 810 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 811 canvas.drawBitmap(icon, matrix, paint); 812 } 813 814 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 815 throws NullPointerException { 816 if (mChipBackground == null) { 817 throw new NullPointerException( 818 "Unable to render any chips as setChipDimensions was not called."); 819 } 820 821 TextPaint paint = getPaint(); 822 float defaultSize = paint.getTextSize(); 823 int defaultColor = paint.getColor(); 824 825 Bitmap tmpBitmap; 826 if (pressed) { 827 tmpBitmap = createSelectedChip(contact, paint); 828 829 } else { 830 tmpBitmap = createUnselectedChip(contact, paint); 831 } 832 833 // Pass the full text, un-ellipsized, to the chip. 834 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 835 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 836 DrawableRecipientChip recipientChip = 837 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 838 // Return text to the original size. 839 paint.setTextSize(defaultSize); 840 paint.setColor(defaultColor); 841 return recipientChip; 842 } 843 844 private int getImageSpanAlignment() { 845 switch (mImageSpanAlignment) { 846 case IMAGE_SPAN_ALIGNMENT_BASELINE: 847 return ImageSpan.ALIGN_BASELINE; 848 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 849 return ImageSpan.ALIGN_BOTTOM; 850 default: 851 return ImageSpan.ALIGN_BOTTOM; 852 } 853 } 854 855 /** 856 * Calculate the bottom of the line the chip will be located on using: 857 * 1) which line the chip appears on 858 * 2) the height of a chip 859 * 3) padding built into the edit text view 860 */ 861 private int calculateOffsetFromBottom(int line) { 862 // Line offsets start at zero. 863 int actualLine = getLineCount() - (line + 1); 864 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 865 + getDropDownVerticalOffset(); 866 } 867 868 /** 869 * Get the max amount of space a chip can take up. The formula takes into 870 * account the width of the EditTextView, any view padding, and padding 871 * that will be added to the chip. 872 */ 873 private float calculateAvailableWidth() { 874 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 875 } 876 877 878 private void setChipDimensions(Context context, AttributeSet attrs) { 879 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 880 0); 881 Resources r = getContext().getResources(); 882 883 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 884 if (mChipBackground == null) { 885 mChipBackground = r.getDrawable(R.drawable.chip_background); 886 } 887 mChipBackgroundPressed = a 888 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 889 if (mChipBackgroundPressed == null) { 890 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 891 } 892 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 893 if (mChipDelete == null) { 894 mChipDelete = r.getDrawable(R.drawable.chip_delete); 895 } 896 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 897 if (mChipPadding == -1) { 898 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 899 } 900 901 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 902 903 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 904 905 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 906 if (mChipHeight == -1) { 907 mChipHeight = r.getDimension(R.dimen.chip_height); 908 } 909 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 910 if (mChipFontSize == -1) { 911 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 912 } 913 mInvalidChipBackground = a 914 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 915 if (mInvalidChipBackground == null) { 916 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 917 } 918 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 919 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 920 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 921 922 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 923 mMaxLines = r.getInteger(R.integer.chips_max_lines); 924 TypedValue tv = new TypedValue(); 925 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 926 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 927 .getDisplayMetrics()); 928 } 929 930 a.recycle(); 931 } 932 933 // Visible for testing. 934 /* package */ void setMoreItem(TextView moreItem) { 935 mMoreItem = moreItem; 936 } 937 938 939 // Visible for testing. 940 /* package */ void setChipBackground(Drawable chipBackground) { 941 mChipBackground = chipBackground; 942 } 943 944 // Visible for testing. 945 /* package */ void setChipHeight(int height) { 946 mChipHeight = height; 947 } 948 949 public float getChipHeight() { 950 return mChipHeight; 951 } 952 953 /** 954 * Set whether to shrink the recipients field such that at most 955 * one line of recipients chips are shown when the field loses 956 * focus. By default, the number of displayed recipients will be 957 * limited and a "more" chip will be shown when focus is lost. 958 * @param shrink 959 */ 960 public void setOnFocusListShrinkRecipients(boolean shrink) { 961 mShouldShrink = shrink; 962 } 963 964 @Override 965 public void onSizeChanged(int width, int height, int oldw, int oldh) { 966 super.onSizeChanged(width, height, oldw, oldh); 967 if (width != 0 && height != 0) { 968 if (mPendingChipsCount > 0) { 969 postHandlePendingChips(); 970 } else { 971 checkChipWidths(); 972 } 973 } 974 // Try to find the scroll view parent, if it exists. 975 if (mScrollView == null && !mTriedGettingScrollView) { 976 ViewParent parent = getParent(); 977 while (parent != null && !(parent instanceof ScrollView)) { 978 parent = parent.getParent(); 979 } 980 if (parent != null) { 981 mScrollView = (ScrollView) parent; 982 } 983 mTriedGettingScrollView = true; 984 } 985 } 986 987 private void postHandlePendingChips() { 988 mHandler.removeCallbacks(mHandlePendingChips); 989 mHandler.post(mHandlePendingChips); 990 } 991 992 private void checkChipWidths() { 993 // Check the widths of the associated chips. 994 DrawableRecipientChip[] chips = getSortedRecipients(); 995 if (chips != null) { 996 Rect bounds; 997 for (DrawableRecipientChip chip : chips) { 998 bounds = chip.getBounds(); 999 if (getWidth() > 0 && bounds.right - bounds.left > 1000 getWidth() - getPaddingLeft() - getPaddingRight()) { 1001 // Need to redraw that chip. 1002 replaceChip(chip, chip.getEntry()); 1003 } 1004 } 1005 } 1006 } 1007 1008 // Visible for testing. 1009 /*package*/ void handlePendingChips() { 1010 if (getViewWidth() <= 0) { 1011 // The widget has not been sized yet. 1012 // This will be called as a result of onSizeChanged 1013 // at a later point. 1014 return; 1015 } 1016 if (mPendingChipsCount <= 0) { 1017 return; 1018 } 1019 1020 synchronized (mPendingChips) { 1021 Editable editable = getText(); 1022 // Tokenize! 1023 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1024 for (int i = 0; i < mPendingChips.size(); i++) { 1025 String current = mPendingChips.get(i); 1026 int tokenStart = editable.toString().indexOf(current); 1027 // Always leave a space at the end between tokens. 1028 int tokenEnd = tokenStart + current.length() - 1; 1029 if (tokenStart >= 0) { 1030 // When we have a valid token, include it with the token 1031 // to the left. 1032 if (tokenEnd < editable.length() - 2 1033 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1034 tokenEnd++; 1035 } 1036 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1037 || !mShouldShrink); 1038 } 1039 mPendingChipsCount--; 1040 } 1041 sanitizeEnd(); 1042 } else { 1043 mNoChips = true; 1044 } 1045 1046 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1047 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1048 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1049 new RecipientReplacementTask().execute(); 1050 mTemporaryRecipients = null; 1051 } else { 1052 // Create the "more" chip 1053 mIndividualReplacements = new IndividualReplacementTask(); 1054 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1055 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1056 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1057 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1058 mTemporaryRecipients.subList(CHIP_LIMIT, 1059 mTemporaryRecipients.size())); 1060 } else { 1061 mTemporaryRecipients = null; 1062 } 1063 createMoreChip(); 1064 } 1065 } else { 1066 // There are too many recipients to look up, so just fall back 1067 // to showing addresses for all of them. 1068 mTemporaryRecipients = null; 1069 createMoreChip(); 1070 } 1071 mPendingChipsCount = 0; 1072 mPendingChips.clear(); 1073 } 1074 } 1075 1076 // Visible for testing. 1077 /*package*/ int getViewWidth() { 1078 return getWidth(); 1079 } 1080 1081 /** 1082 * Remove any characters after the last valid chip. 1083 */ 1084 // Visible for testing. 1085 /*package*/ void sanitizeEnd() { 1086 // Don't sanitize while we are waiting for pending chips to complete. 1087 if (mPendingChipsCount > 0) { 1088 return; 1089 } 1090 // Find the last chip; eliminate any commit characters after it. 1091 DrawableRecipientChip[] chips = getSortedRecipients(); 1092 Spannable spannable = getSpannable(); 1093 if (chips != null && chips.length > 0) { 1094 int end; 1095 mMoreChip = getMoreChip(); 1096 if (mMoreChip != null) { 1097 end = spannable.getSpanEnd(mMoreChip); 1098 } else { 1099 end = getSpannable().getSpanEnd(getLastChip()); 1100 } 1101 Editable editable = getText(); 1102 int length = editable.length(); 1103 if (length > end) { 1104 // See what characters occur after that and eliminate them. 1105 if (Log.isLoggable(TAG, Log.DEBUG)) { 1106 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1107 + editable); 1108 } 1109 editable.delete(end + 1, length); 1110 } 1111 } 1112 } 1113 1114 /** 1115 * Create a chip that represents just the email address of a recipient. At some later 1116 * point, this chip will be attached to a real contact entry, if one exists. 1117 */ 1118 // VisibleForTesting 1119 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1120 boolean visible) { 1121 if (alreadyHasChip(tokenStart, tokenEnd)) { 1122 // There is already a chip present at this location. 1123 // Don't recreate it. 1124 return; 1125 } 1126 String token = editable.toString().substring(tokenStart, tokenEnd); 1127 final String trimmedToken = token.trim(); 1128 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1129 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1130 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1131 } 1132 RecipientEntry entry = createTokenizedEntry(token); 1133 if (entry != null) { 1134 DrawableRecipientChip chip = null; 1135 try { 1136 if (!mNoChips) { 1137 chip = visible ? 1138 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1139 } 1140 } catch (NullPointerException e) { 1141 Log.e(TAG, e.getMessage(), e); 1142 } 1143 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1144 // Add this chip to the list of entries "to replace" 1145 if (chip != null) { 1146 if (mTemporaryRecipients == null) { 1147 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1148 } 1149 chip.setOriginalText(token); 1150 mTemporaryRecipients.add(chip); 1151 } 1152 } 1153 } 1154 1155 private static boolean isPhoneNumber(String number) { 1156 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1157 // PhoneNumberUtil). One complication is that it requires the sender's region which 1158 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1159 if (TextUtils.isEmpty(number)) { 1160 return false; 1161 } 1162 1163 Matcher match = PHONE_PATTERN.matcher(number); 1164 return match.matches(); 1165 } 1166 1167 // VisibleForTesting 1168 RecipientEntry createTokenizedEntry(final String token) { 1169 if (TextUtils.isEmpty(token)) { 1170 return null; 1171 } 1172 if (isPhoneQuery() && isPhoneNumber(token)) { 1173 return RecipientEntry.constructFakePhoneEntry(token, true); 1174 } 1175 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1176 String display = null; 1177 boolean isValid = isValid(token); 1178 if (isValid && tokens != null && tokens.length > 0) { 1179 // If we can get a name from tokenizing, then generate an entry from 1180 // this. 1181 display = tokens[0].getName(); 1182 if (!TextUtils.isEmpty(display)) { 1183 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1184 isValid); 1185 } else { 1186 display = tokens[0].getAddress(); 1187 if (!TextUtils.isEmpty(display)) { 1188 return RecipientEntry.constructFakeEntry(display, isValid); 1189 } 1190 } 1191 } 1192 // Unable to validate the token or to create a valid token from it. 1193 // Just create a chip the user can edit. 1194 String validatedToken = null; 1195 if (mValidator != null && !isValid) { 1196 // Try fixing up the entry using the validator. 1197 validatedToken = mValidator.fixText(token).toString(); 1198 if (!TextUtils.isEmpty(validatedToken)) { 1199 if (validatedToken.contains(token)) { 1200 // protect against the case of a validator with a null 1201 // domain, 1202 // which doesn't add a domain to the token 1203 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1204 if (tokenized.length > 0) { 1205 validatedToken = tokenized[0].getAddress(); 1206 isValid = true; 1207 } 1208 } else { 1209 // We ran into a case where the token was invalid and 1210 // removed 1211 // by the validator. In this case, just use the original 1212 // token 1213 // and let the user sort out the error chip. 1214 validatedToken = null; 1215 isValid = false; 1216 } 1217 } 1218 } 1219 // Otherwise, fallback to just creating an editable email address chip. 1220 return RecipientEntry.constructFakeEntry( 1221 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1222 } 1223 1224 private boolean isValid(String text) { 1225 return mValidator == null ? true : mValidator.isValid(text); 1226 } 1227 1228 private static String tokenizeAddress(String destination) { 1229 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1230 if (tokens != null && tokens.length > 0) { 1231 return tokens[0].getAddress(); 1232 } 1233 return destination; 1234 } 1235 1236 @Override 1237 public void setTokenizer(Tokenizer tokenizer) { 1238 mTokenizer = tokenizer; 1239 super.setTokenizer(mTokenizer); 1240 } 1241 1242 @Override 1243 public void setValidator(Validator validator) { 1244 mValidator = validator; 1245 super.setValidator(validator); 1246 } 1247 1248 /** 1249 * We cannot use the default mechanism for replaceText. Instead, 1250 * we override onItemClickListener so we can get all the associated 1251 * contact information including display text, address, and id. 1252 */ 1253 @Override 1254 protected void replaceText(CharSequence text) { 1255 return; 1256 } 1257 1258 /** 1259 * Dismiss any selected chips when the back key is pressed. 1260 */ 1261 @Override 1262 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1263 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1264 clearSelectedChip(); 1265 return true; 1266 } 1267 return super.onKeyPreIme(keyCode, event); 1268 } 1269 1270 /** 1271 * Monitor key presses in this view to see if the user types 1272 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1273 * If the user has entered text that has contact matches and types 1274 * a commit key, create a chip from the topmost matching contact. 1275 * If the user has entered text that has no contact matches and types 1276 * a commit key, then create a chip from the text they have entered. 1277 */ 1278 @Override 1279 public boolean onKeyUp(int keyCode, KeyEvent event) { 1280 switch (keyCode) { 1281 case KeyEvent.KEYCODE_TAB: 1282 if (event.hasNoModifiers()) { 1283 if (mSelectedChip != null) { 1284 clearSelectedChip(); 1285 } else { 1286 commitDefault(); 1287 } 1288 } 1289 break; 1290 } 1291 return super.onKeyUp(keyCode, event); 1292 } 1293 1294 private boolean focusNext() { 1295 View next = focusSearch(View.FOCUS_DOWN); 1296 if (next != null) { 1297 next.requestFocus(); 1298 return true; 1299 } 1300 return false; 1301 } 1302 1303 /** 1304 * Create a chip from the default selection. If the popup is showing, the 1305 * default is the selected item (if one is selected), or the first item, in the popup 1306 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1307 * tokenizer should search for a token to turn into a chip. 1308 * @return If a chip was created from a real contact. 1309 */ 1310 private boolean commitDefault() { 1311 // If there is no tokenizer, don't try to commit. 1312 if (mTokenizer == null) { 1313 return false; 1314 } 1315 Editable editable = getText(); 1316 int end = getSelectionEnd(); 1317 int start = mTokenizer.findTokenStart(editable, end); 1318 1319 if (shouldCreateChip(start, end)) { 1320 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1321 // In the middle of chip; treat this as an edit 1322 // and commit the whole token. 1323 whatEnd = movePastTerminators(whatEnd); 1324 if (whatEnd != getSelectionEnd()) { 1325 handleEdit(start, whatEnd); 1326 return true; 1327 } 1328 return commitChip(start, end , editable); 1329 } 1330 return false; 1331 } 1332 1333 private void commitByCharacter() { 1334 // We can't possibly commit by character if we can't tokenize. 1335 if (mTokenizer == null) { 1336 return; 1337 } 1338 Editable editable = getText(); 1339 int end = getSelectionEnd(); 1340 int start = mTokenizer.findTokenStart(editable, end); 1341 if (shouldCreateChip(start, end)) { 1342 commitChip(start, end, editable); 1343 } 1344 setSelection(getText().length()); 1345 } 1346 1347 private boolean commitChip(int start, int end, Editable editable) { 1348 ListAdapter adapter = getAdapter(); 1349 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1350 && end == getSelectionEnd() && !isPhoneQuery()) { 1351 // let's choose the selected or first entry if only the input text is NOT an email 1352 // address so we won't try to replace the user's potentially correct but 1353 // new/unencountered email input 1354 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1355 final int selectedPosition = getListSelection(); 1356 if (selectedPosition == -1) { 1357 // Nothing is selected; use the first item 1358 submitItemAtPosition(0); 1359 } else { 1360 submitItemAtPosition(selectedPosition); 1361 } 1362 } 1363 dismissDropDown(); 1364 return true; 1365 } else { 1366 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1367 if (editable.length() > tokenEnd + 1) { 1368 char charAt = editable.charAt(tokenEnd + 1); 1369 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1370 tokenEnd++; 1371 } 1372 } 1373 String text = editable.toString().substring(start, tokenEnd).trim(); 1374 clearComposingText(); 1375 if (text != null && text.length() > 0 && !text.equals(" ")) { 1376 RecipientEntry entry = createTokenizedEntry(text); 1377 if (entry != null) { 1378 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1379 CharSequence chipText = createChip(entry, false); 1380 if (chipText != null && start > -1 && end > -1) { 1381 editable.replace(start, end, chipText); 1382 } 1383 } 1384 // Only dismiss the dropdown if it is related to the text we 1385 // just committed. 1386 // For paste, it may not be as there are possibly multiple 1387 // tokens being added. 1388 if (end == getSelectionEnd()) { 1389 dismissDropDown(); 1390 } 1391 sanitizeBetween(); 1392 return true; 1393 } 1394 } 1395 return false; 1396 } 1397 1398 // Visible for testing. 1399 /* package */ void sanitizeBetween() { 1400 // Don't sanitize while we are waiting for content to chipify. 1401 if (mPendingChipsCount > 0) { 1402 return; 1403 } 1404 // Find the last chip. 1405 DrawableRecipientChip[] recips = getSortedRecipients(); 1406 if (recips != null && recips.length > 0) { 1407 DrawableRecipientChip last = recips[recips.length - 1]; 1408 DrawableRecipientChip beforeLast = null; 1409 if (recips.length > 1) { 1410 beforeLast = recips[recips.length - 2]; 1411 } 1412 int startLooking = 0; 1413 int end = getSpannable().getSpanStart(last); 1414 if (beforeLast != null) { 1415 startLooking = getSpannable().getSpanEnd(beforeLast); 1416 Editable text = getText(); 1417 if (startLooking == -1 || startLooking > text.length() - 1) { 1418 // There is nothing after this chip. 1419 return; 1420 } 1421 if (text.charAt(startLooking) == ' ') { 1422 startLooking++; 1423 } 1424 } 1425 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1426 getText().delete(startLooking, end); 1427 } 1428 } 1429 } 1430 1431 private boolean shouldCreateChip(int start, int end) { 1432 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1433 } 1434 1435 private boolean alreadyHasChip(int start, int end) { 1436 if (mNoChips) { 1437 return true; 1438 } 1439 DrawableRecipientChip[] chips = 1440 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1441 if ((chips == null || chips.length == 0)) { 1442 return false; 1443 } 1444 return true; 1445 } 1446 1447 private void handleEdit(int start, int end) { 1448 if (start == -1 || end == -1) { 1449 // This chip no longer exists in the field. 1450 dismissDropDown(); 1451 return; 1452 } 1453 // This is in the middle of a chip, so select out the whole chip 1454 // and commit it. 1455 Editable editable = getText(); 1456 setSelection(end); 1457 String text = getText().toString().substring(start, end); 1458 if (!TextUtils.isEmpty(text)) { 1459 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1460 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1461 CharSequence chipText = createChip(entry, false); 1462 int selEnd = getSelectionEnd(); 1463 if (chipText != null && start > -1 && selEnd > -1) { 1464 editable.replace(start, selEnd, chipText); 1465 } 1466 } 1467 dismissDropDown(); 1468 } 1469 1470 /** 1471 * If there is a selected chip, delegate the key events 1472 * to the selected chip. 1473 */ 1474 @Override 1475 public boolean onKeyDown(int keyCode, KeyEvent event) { 1476 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1477 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1478 mAlternatesPopup.dismiss(); 1479 } 1480 removeChip(mSelectedChip); 1481 } 1482 1483 switch (keyCode) { 1484 case KeyEvent.KEYCODE_ENTER: 1485 case KeyEvent.KEYCODE_DPAD_CENTER: 1486 if (event.hasNoModifiers()) { 1487 if (commitDefault()) { 1488 return true; 1489 } 1490 if (mSelectedChip != null) { 1491 clearSelectedChip(); 1492 return true; 1493 } else if (focusNext()) { 1494 return true; 1495 } 1496 } 1497 break; 1498 } 1499 1500 return super.onKeyDown(keyCode, event); 1501 } 1502 1503 // Visible for testing. 1504 /* package */ Spannable getSpannable() { 1505 return getText(); 1506 } 1507 1508 private int getChipStart(DrawableRecipientChip chip) { 1509 return getSpannable().getSpanStart(chip); 1510 } 1511 1512 private int getChipEnd(DrawableRecipientChip chip) { 1513 return getSpannable().getSpanEnd(chip); 1514 } 1515 1516 /** 1517 * Instead of filtering on the entire contents of the edit box, 1518 * this subclass method filters on the range from 1519 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1520 * if the length of that range meets or exceeds {@link #getThreshold} 1521 * and makes sure that the range is not already a Chip. 1522 */ 1523 @Override 1524 protected void performFiltering(CharSequence text, int keyCode) { 1525 boolean isCompletedToken = isCompletedToken(text); 1526 if (enoughToFilter() && !isCompletedToken) { 1527 int end = getSelectionEnd(); 1528 int start = mTokenizer.findTokenStart(text, end); 1529 // If this is a RecipientChip, don't filter 1530 // on its contents. 1531 Spannable span = getSpannable(); 1532 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1533 if (chips != null && chips.length > 0) { 1534 dismissDropDown(); 1535 return; 1536 } 1537 } else if (isCompletedToken) { 1538 dismissDropDown(); 1539 return; 1540 } 1541 super.performFiltering(text, keyCode); 1542 } 1543 1544 // Visible for testing. 1545 /*package*/ boolean isCompletedToken(CharSequence text) { 1546 if (TextUtils.isEmpty(text)) { 1547 return false; 1548 } 1549 // Check to see if this is a completed token before filtering. 1550 int end = text.length(); 1551 int start = mTokenizer.findTokenStart(text, end); 1552 String token = text.toString().substring(start, end).trim(); 1553 if (!TextUtils.isEmpty(token)) { 1554 char atEnd = token.charAt(token.length() - 1); 1555 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1556 } 1557 return false; 1558 } 1559 1560 private void clearSelectedChip() { 1561 if (mSelectedChip != null) { 1562 unselectChip(mSelectedChip); 1563 mSelectedChip = null; 1564 } 1565 setCursorVisible(true); 1566 } 1567 1568 /** 1569 * Monitor touch events in the RecipientEditTextView. 1570 * If the view does not have focus, any tap on the view 1571 * will just focus the view. If the view has focus, determine 1572 * if the touch target is a recipient chip. If it is and the chip 1573 * is not selected, select it and clear any other selected chips. 1574 * If it isn't, then select that chip. 1575 */ 1576 @Override 1577 public boolean onTouchEvent(MotionEvent event) { 1578 if (!isFocused()) { 1579 // Ignore any chip taps until this view is focused. 1580 return super.onTouchEvent(event); 1581 } 1582 boolean handled = super.onTouchEvent(event); 1583 int action = event.getAction(); 1584 boolean chipWasSelected = false; 1585 if (mSelectedChip == null) { 1586 mGestureDetector.onTouchEvent(event); 1587 } 1588 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1589 float x = event.getX(); 1590 float y = event.getY(); 1591 int offset = putOffsetInRange(x, y); 1592 DrawableRecipientChip currentChip = findChip(offset); 1593 if (currentChip != null) { 1594 if (action == MotionEvent.ACTION_UP) { 1595 if (mSelectedChip != null && mSelectedChip != currentChip) { 1596 clearSelectedChip(); 1597 mSelectedChip = selectChip(currentChip); 1598 } else if (mSelectedChip == null) { 1599 setSelection(getText().length()); 1600 commitDefault(); 1601 mSelectedChip = selectChip(currentChip); 1602 } else { 1603 onClick(mSelectedChip, offset, x, y); 1604 } 1605 } 1606 chipWasSelected = true; 1607 handled = true; 1608 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1609 chipWasSelected = true; 1610 } 1611 } 1612 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1613 clearSelectedChip(); 1614 } 1615 return handled; 1616 } 1617 1618 private void scrollLineIntoView(int line) { 1619 if (mScrollView != null) { 1620 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1621 } 1622 } 1623 1624 private void showAlternates(final DrawableRecipientChip currentChip, 1625 final ListPopupWindow alternatesPopup, final int width) { 1626 new AsyncTask<Void, Void, ListAdapter>() { 1627 @Override 1628 protected ListAdapter doInBackground(final Void... params) { 1629 return createAlternatesAdapter(currentChip); 1630 } 1631 1632 @Override 1633 protected void onPostExecute(final ListAdapter result) { 1634 if (!mAttachedToWindow) { 1635 return; 1636 } 1637 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1638 int bottom; 1639 if (line == getLineCount() -1) { 1640 bottom = 0; 1641 } else { 1642 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1643 .abs(getLineCount() - 1 - line))); 1644 } 1645 // Align the alternates popup with the left side of the View, 1646 // regardless of the position of the chip tapped. 1647 alternatesPopup.setWidth(width); 1648 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1649 alternatesPopup.setVerticalOffset(bottom); 1650 alternatesPopup.setAdapter(result); 1651 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1652 // Clear the checked item. 1653 mCheckedItem = -1; 1654 alternatesPopup.show(); 1655 ListView listView = alternatesPopup.getListView(); 1656 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1657 // Checked item would be -1 if the adapter has not 1658 // loaded the view that should be checked yet. The 1659 // variable will be set correctly when onCheckedItemChanged 1660 // is called in a separate thread. 1661 if (mCheckedItem != -1) { 1662 listView.setItemChecked(mCheckedItem, true); 1663 mCheckedItem = -1; 1664 } 1665 } 1666 }.execute((Void[]) null); 1667 } 1668 1669 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1670 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1671 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1672 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1673 } 1674 1675 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1676 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1677 mDropdownChipLayouter); 1678 } 1679 1680 @Override 1681 public void onCheckedItemChanged(int position) { 1682 ListView listView = mAlternatesPopup.getListView(); 1683 if (listView != null && listView.getCheckedItemCount() == 0) { 1684 listView.setItemChecked(position, true); 1685 } 1686 mCheckedItem = position; 1687 } 1688 1689 private int putOffsetInRange(final float x, final float y) { 1690 final int offset; 1691 1692 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1693 offset = getOffsetForPosition(x, y); 1694 } else { 1695 offset = supportGetOffsetForPosition(x, y); 1696 } 1697 1698 return putOffsetInRange(offset); 1699 } 1700 1701 // TODO: This algorithm will need a lot of tweaking after more people have used 1702 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1703 // what comes before the finger. 1704 private int putOffsetInRange(int o) { 1705 int offset = o; 1706 Editable text = getText(); 1707 int length = text.length(); 1708 // Remove whitespace from end to find "real end" 1709 int realLength = length; 1710 for (int i = length - 1; i >= 0; i--) { 1711 if (text.charAt(i) == ' ') { 1712 realLength--; 1713 } else { 1714 break; 1715 } 1716 } 1717 1718 // If the offset is beyond or at the end of the text, 1719 // leave it alone. 1720 if (offset >= realLength) { 1721 return offset; 1722 } 1723 Editable editable = getText(); 1724 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1725 // Keep walking backward! 1726 offset--; 1727 } 1728 return offset; 1729 } 1730 1731 private static int findText(Editable text, int offset) { 1732 if (text.charAt(offset) != ' ') { 1733 return offset; 1734 } 1735 return -1; 1736 } 1737 1738 private DrawableRecipientChip findChip(int offset) { 1739 DrawableRecipientChip[] chips = 1740 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1741 // Find the chip that contains this offset. 1742 for (int i = 0; i < chips.length; i++) { 1743 DrawableRecipientChip chip = chips[i]; 1744 int start = getChipStart(chip); 1745 int end = getChipEnd(chip); 1746 if (offset >= start && offset <= end) { 1747 return chip; 1748 } 1749 } 1750 return null; 1751 } 1752 1753 // Visible for testing. 1754 // Use this method to generate text to add to the list of addresses. 1755 /* package */String createAddressText(RecipientEntry entry) { 1756 String display = entry.getDisplayName(); 1757 String address = entry.getDestination(); 1758 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1759 display = null; 1760 } 1761 String trimmedDisplayText; 1762 if (isPhoneQuery() && isPhoneNumber(address)) { 1763 trimmedDisplayText = address.trim(); 1764 } else { 1765 if (address != null) { 1766 // Tokenize out the address in case the address already 1767 // contained the username as well. 1768 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1769 if (tokenized != null && tokenized.length > 0) { 1770 address = tokenized[0].getAddress(); 1771 } 1772 } 1773 Rfc822Token token = new Rfc822Token(display, address, null); 1774 trimmedDisplayText = token.toString().trim(); 1775 } 1776 int index = trimmedDisplayText.indexOf(","); 1777 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1778 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1779 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1780 } 1781 1782 // Visible for testing. 1783 // Use this method to generate text to display in a chip. 1784 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1785 String display = entry.getDisplayName(); 1786 String address = entry.getDestination(); 1787 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1788 display = null; 1789 } 1790 if (!TextUtils.isEmpty(display)) { 1791 return display; 1792 } else if (!TextUtils.isEmpty(address)){ 1793 return address; 1794 } else { 1795 return new Rfc822Token(display, address, null).toString(); 1796 } 1797 } 1798 1799 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1800 String displayText = createAddressText(entry); 1801 if (TextUtils.isEmpty(displayText)) { 1802 return null; 1803 } 1804 SpannableString chipText = null; 1805 // Always leave a blank space at the end of a chip. 1806 int textLength = displayText.length() - 1; 1807 chipText = new SpannableString(displayText); 1808 if (!mNoChips) { 1809 try { 1810 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1811 chipText.setSpan(chip, 0, textLength, 1812 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1813 chip.setOriginalText(chipText.toString()); 1814 } catch (NullPointerException e) { 1815 Log.e(TAG, e.getMessage(), e); 1816 return null; 1817 } 1818 } 1819 return chipText; 1820 } 1821 1822 /** 1823 * When an item in the suggestions list has been clicked, create a chip from the 1824 * contact information of the selected item. 1825 */ 1826 @Override 1827 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1828 if (position < 0) { 1829 return; 1830 } 1831 1832 final int charactersTyped = submitItemAtPosition(position); 1833 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1834 mRecipientEntryItemClickedListener 1835 .onRecipientEntryItemClicked(charactersTyped, position); 1836 } 1837 } 1838 1839 private int submitItemAtPosition(int position) { 1840 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1841 if (entry == null) { 1842 return -1; 1843 } 1844 clearComposingText(); 1845 1846 int end = getSelectionEnd(); 1847 int start = mTokenizer.findTokenStart(getText(), end); 1848 1849 Editable editable = getText(); 1850 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1851 CharSequence chip = createChip(entry, false); 1852 if (chip != null && start >= 0 && end >= 0) { 1853 editable.replace(start, end, chip); 1854 } 1855 sanitizeBetween(); 1856 1857 return end - start; 1858 } 1859 1860 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1861 if (item == null) { 1862 return null; 1863 } 1864 final RecipientEntry entry; 1865 // If the display name and the address are the same, or if this is a 1866 // valid contact, but the destination is invalid, then make this a fake 1867 // recipient that is editable. 1868 String destination = item.getDestination(); 1869 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1870 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1871 destination, item.isValid()); 1872 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1873 && (TextUtils.isEmpty(item.getDisplayName()) 1874 || TextUtils.equals(item.getDisplayName(), destination) 1875 || (mValidator != null && !mValidator.isValid(destination)))) { 1876 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1877 } else { 1878 entry = item; 1879 } 1880 return entry; 1881 } 1882 1883 // Visible for testing. 1884 /* package */DrawableRecipientChip[] getSortedRecipients() { 1885 DrawableRecipientChip[] recips = getSpannable() 1886 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1887 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1888 Arrays.asList(recips)); 1889 final Spannable spannable = getSpannable(); 1890 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1891 1892 @Override 1893 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1894 int firstStart = spannable.getSpanStart(first); 1895 int secondStart = spannable.getSpanStart(second); 1896 if (firstStart < secondStart) { 1897 return -1; 1898 } else if (firstStart > secondStart) { 1899 return 1; 1900 } else { 1901 return 0; 1902 } 1903 } 1904 }); 1905 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1906 } 1907 1908 @Override 1909 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1910 return false; 1911 } 1912 1913 @Override 1914 public void onDestroyActionMode(ActionMode mode) { 1915 } 1916 1917 @Override 1918 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1919 return false; 1920 } 1921 1922 /** 1923 * No chips are selectable. 1924 */ 1925 @Override 1926 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1927 return false; 1928 } 1929 1930 // Visible for testing. 1931 /* package */ImageSpan getMoreChip() { 1932 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1933 MoreImageSpan.class); 1934 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1935 } 1936 1937 private MoreImageSpan createMoreSpan(int count) { 1938 String moreText = String.format(mMoreItem.getText().toString(), count); 1939 TextPaint morePaint = new TextPaint(getPaint()); 1940 morePaint.setTextSize(mMoreItem.getTextSize()); 1941 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1942 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1943 + mMoreItem.getPaddingRight(); 1944 int height = getLineHeight(); 1945 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1946 Canvas canvas = new Canvas(drawable); 1947 int adjustedHeight = height; 1948 Layout layout = getLayout(); 1949 if (layout != null) { 1950 adjustedHeight -= layout.getLineDescent(0); 1951 } 1952 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1953 1954 Drawable result = new BitmapDrawable(getResources(), drawable); 1955 result.setBounds(0, 0, width, height); 1956 return new MoreImageSpan(result); 1957 } 1958 1959 // Visible for testing. 1960 /*package*/ void createMoreChipPlainText() { 1961 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1962 Editable text = getText(); 1963 int start = 0; 1964 int end = start; 1965 for (int i = 0; i < CHIP_LIMIT; i++) { 1966 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1967 start = end; // move to the next token and get its end. 1968 } 1969 // Now, count total addresses. 1970 start = 0; 1971 int tokenCount = countTokens(text); 1972 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1973 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1974 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1975 text.replace(end, text.length(), chipText); 1976 mMoreChip = moreSpan; 1977 } 1978 1979 // Visible for testing. 1980 /* package */int countTokens(Editable text) { 1981 int tokenCount = 0; 1982 int start = 0; 1983 while (start < text.length()) { 1984 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1985 tokenCount++; 1986 if (start >= text.length()) { 1987 break; 1988 } 1989 } 1990 return tokenCount; 1991 } 1992 1993 /** 1994 * Create the more chip. The more chip is text that replaces any chips that 1995 * do not fit in the pre-defined available space when the 1996 * RecipientEditTextView loses focus. 1997 */ 1998 // Visible for testing. 1999 /* package */ void createMoreChip() { 2000 if (mNoChips) { 2001 createMoreChipPlainText(); 2002 return; 2003 } 2004 2005 if (!mShouldShrink) { 2006 return; 2007 } 2008 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2009 if (tempMore.length > 0) { 2010 getSpannable().removeSpan(tempMore[0]); 2011 } 2012 DrawableRecipientChip[] recipients = getSortedRecipients(); 2013 2014 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2015 mMoreChip = null; 2016 return; 2017 } 2018 Spannable spannable = getSpannable(); 2019 int numRecipients = recipients.length; 2020 int overage = numRecipients - CHIP_LIMIT; 2021 MoreImageSpan moreSpan = createMoreSpan(overage); 2022 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2023 int totalReplaceStart = 0; 2024 int totalReplaceEnd = 0; 2025 Editable text = getText(); 2026 for (int i = numRecipients - overage; i < recipients.length; i++) { 2027 mRemovedSpans.add(recipients[i]); 2028 if (i == numRecipients - overage) { 2029 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2030 } 2031 if (i == recipients.length - 1) { 2032 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2033 } 2034 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2035 int spanStart = spannable.getSpanStart(recipients[i]); 2036 int spanEnd = spannable.getSpanEnd(recipients[i]); 2037 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2038 } 2039 spannable.removeSpan(recipients[i]); 2040 } 2041 if (totalReplaceEnd < text.length()) { 2042 totalReplaceEnd = text.length(); 2043 } 2044 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2045 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2046 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2047 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2048 text.replace(start, end, chipText); 2049 mMoreChip = moreSpan; 2050 // If adding the +more chip goes over the limit, resize accordingly. 2051 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2052 setMaxLines(getLineCount()); 2053 } 2054 } 2055 2056 /** 2057 * Replace the more chip, if it exists, with all of the recipient chips it had 2058 * replaced when the RecipientEditTextView gains focus. 2059 */ 2060 // Visible for testing. 2061 /*package*/ void removeMoreChip() { 2062 if (mMoreChip != null) { 2063 Spannable span = getSpannable(); 2064 span.removeSpan(mMoreChip); 2065 mMoreChip = null; 2066 // Re-add the spans that were removed. 2067 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2068 // Recreate each removed span. 2069 DrawableRecipientChip[] recipients = getSortedRecipients(); 2070 // Start the search for tokens after the last currently visible 2071 // chip. 2072 if (recipients == null || recipients.length == 0) { 2073 return; 2074 } 2075 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2076 Editable editable = getText(); 2077 for (DrawableRecipientChip chip : mRemovedSpans) { 2078 int chipStart; 2079 int chipEnd; 2080 String token; 2081 // Need to find the location of the chip, again. 2082 token = (String) chip.getOriginalText(); 2083 // As we find the matching recipient for the remove spans, 2084 // reduce the size of the string we need to search. 2085 // That way, if there are duplicates, we always find the correct 2086 // recipient. 2087 chipStart = editable.toString().indexOf(token, end); 2088 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2089 // Only set the span if we found a matching token. 2090 if (chipStart != -1) { 2091 editable.setSpan(chip, chipStart, chipEnd, 2092 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2093 } 2094 } 2095 mRemovedSpans.clear(); 2096 } 2097 } 2098 } 2099 2100 /** 2101 * Show specified chip as selected. If the RecipientChip is just an email address, 2102 * selecting the chip will take the contents of the chip and place it at 2103 * the end of the RecipientEditTextView for inline editing. If the 2104 * RecipientChip is a complete contact, then selecting the chip 2105 * will change the background color of the chip, show the delete icon, 2106 * and a popup window with the address in use highlighted and any other 2107 * alternate addresses for the contact. 2108 * @param currentChip Chip to select. 2109 * @return A RecipientChip in the selected state or null if the chip 2110 * just contained an email address. 2111 */ 2112 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2113 if (shouldShowEditableText(currentChip)) { 2114 CharSequence text = currentChip.getValue(); 2115 Editable editable = getText(); 2116 Spannable spannable = getSpannable(); 2117 int spanStart = spannable.getSpanStart(currentChip); 2118 int spanEnd = spannable.getSpanEnd(currentChip); 2119 spannable.removeSpan(currentChip); 2120 editable.delete(spanStart, spanEnd); 2121 setCursorVisible(true); 2122 setSelection(editable.length()); 2123 editable.append(text); 2124 return constructChipSpan( 2125 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2126 true); 2127 } else { 2128 int start = getChipStart(currentChip); 2129 int end = getChipEnd(currentChip); 2130 getSpannable().removeSpan(currentChip); 2131 DrawableRecipientChip newChip; 2132 final boolean showAddress = 2133 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2134 getAdapter().forceShowAddress(); 2135 try { 2136 if (showAddress && mNoChips) { 2137 return null; 2138 } 2139 newChip = constructChipSpan(currentChip.getEntry(), true); 2140 } catch (NullPointerException e) { 2141 Log.e(TAG, e.getMessage(), e); 2142 return null; 2143 } 2144 Editable editable = getText(); 2145 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2146 if (start == -1 || end == -1) { 2147 Log.d(TAG, "The chip being selected no longer exists but should."); 2148 } else { 2149 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2150 } 2151 newChip.setSelected(true); 2152 if (shouldShowEditableText(newChip)) { 2153 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2154 } 2155 if (showAddress) { 2156 showAddress(newChip, mAddressPopup, getWidth()); 2157 } else { 2158 showAlternates(newChip, mAlternatesPopup, getWidth()); 2159 } 2160 setCursorVisible(false); 2161 return newChip; 2162 } 2163 } 2164 2165 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2166 long contactId = currentChip.getContactId(); 2167 return contactId == RecipientEntry.INVALID_CONTACT 2168 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2169 } 2170 2171 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2172 int width) { 2173 if (!mAttachedToWindow) { 2174 return; 2175 } 2176 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2177 int bottom = calculateOffsetFromBottom(line); 2178 // Align the alternates popup with the left side of the View, 2179 // regardless of the position of the chip tapped. 2180 popup.setWidth(width); 2181 popup.setAnchorView(this); 2182 popup.setVerticalOffset(bottom); 2183 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2184 popup.setOnItemClickListener(new OnItemClickListener() { 2185 @Override 2186 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2187 unselectChip(currentChip); 2188 popup.dismiss(); 2189 } 2190 }); 2191 popup.show(); 2192 ListView listView = popup.getListView(); 2193 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2194 listView.setItemChecked(0, true); 2195 } 2196 2197 /** 2198 * Remove selection from this chip. Unselecting a RecipientChip will render 2199 * the chip without a delete icon and with an unfocused background. This is 2200 * called when the RecipientChip no longer has focus. 2201 */ 2202 private void unselectChip(DrawableRecipientChip chip) { 2203 int start = getChipStart(chip); 2204 int end = getChipEnd(chip); 2205 Editable editable = getText(); 2206 mSelectedChip = null; 2207 if (start == -1 || end == -1) { 2208 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2209 setSelection(editable.length()); 2210 commitDefault(); 2211 } else { 2212 getSpannable().removeSpan(chip); 2213 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2214 editable.removeSpan(chip); 2215 try { 2216 if (!mNoChips) { 2217 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2218 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2219 } 2220 } catch (NullPointerException e) { 2221 Log.e(TAG, e.getMessage(), e); 2222 } 2223 } 2224 setCursorVisible(true); 2225 setSelection(editable.length()); 2226 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2227 mAlternatesPopup.dismiss(); 2228 } 2229 } 2230 2231 /** 2232 * Return whether a touch event was inside the delete target of 2233 * a selected chip. It is in the delete target if: 2234 * 1) the x and y points of the event are within the 2235 * delete assset. 2236 * 2) the point tapped would have caused a cursor to appear 2237 * right after the selected chip. 2238 * @return boolean 2239 */ 2240 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2241 // Figure out the bounds of this chip and whether or not 2242 // the user clicked in the X portion. 2243 // TODO: Should x and y be used, or removed? 2244 if (mDisableDelete) { 2245 return false; 2246 } 2247 2248 return chip.isSelected() && 2249 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2250 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2251 } 2252 2253 /** 2254 * Remove the chip and any text associated with it from the RecipientEditTextView. 2255 */ 2256 // Visible for testing. 2257 /* package */void removeChip(DrawableRecipientChip chip) { 2258 Spannable spannable = getSpannable(); 2259 int spanStart = spannable.getSpanStart(chip); 2260 int spanEnd = spannable.getSpanEnd(chip); 2261 Editable text = getText(); 2262 int toDelete = spanEnd; 2263 boolean wasSelected = chip == mSelectedChip; 2264 // Clear that there is a selected chip before updating any text. 2265 if (wasSelected) { 2266 mSelectedChip = null; 2267 } 2268 // Always remove trailing spaces when removing a chip. 2269 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2270 toDelete++; 2271 } 2272 spannable.removeSpan(chip); 2273 if (spanStart >= 0 && toDelete > 0) { 2274 text.delete(spanStart, toDelete); 2275 } 2276 if (wasSelected) { 2277 clearSelectedChip(); 2278 } 2279 } 2280 2281 /** 2282 * Replace this currently selected chip with a new chip 2283 * that uses the contact data provided. 2284 */ 2285 // Visible for testing. 2286 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2287 boolean wasSelected = chip == mSelectedChip; 2288 if (wasSelected) { 2289 mSelectedChip = null; 2290 } 2291 int start = getChipStart(chip); 2292 int end = getChipEnd(chip); 2293 getSpannable().removeSpan(chip); 2294 Editable editable = getText(); 2295 CharSequence chipText = createChip(entry, false); 2296 if (chipText != null) { 2297 if (start == -1 || end == -1) { 2298 Log.e(TAG, "The chip to replace does not exist but should."); 2299 editable.insert(0, chipText); 2300 } else { 2301 if (!TextUtils.isEmpty(chipText)) { 2302 // There may be a space to replace with this chip's new 2303 // associated space. Check for it 2304 int toReplace = end; 2305 while (toReplace >= 0 && toReplace < editable.length() 2306 && editable.charAt(toReplace) == ' ') { 2307 toReplace++; 2308 } 2309 editable.replace(start, toReplace, chipText); 2310 } 2311 } 2312 } 2313 setCursorVisible(true); 2314 if (wasSelected) { 2315 clearSelectedChip(); 2316 } 2317 } 2318 2319 /** 2320 * Handle click events for a chip. When a selected chip receives a click 2321 * event, see if that event was in the delete icon. If so, delete it. 2322 * Otherwise, unselect the chip. 2323 */ 2324 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2325 if (chip.isSelected()) { 2326 if (isInDelete(chip, offset, x, y)) { 2327 removeChip(chip); 2328 } else { 2329 clearSelectedChip(); 2330 } 2331 } 2332 } 2333 2334 private boolean chipsPending() { 2335 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2336 } 2337 2338 @Override 2339 public void removeTextChangedListener(TextWatcher watcher) { 2340 mTextWatcher = null; 2341 super.removeTextChangedListener(watcher); 2342 } 2343 2344 private boolean isValidEmailAddress(String input) { 2345 return !TextUtils.isEmpty(input) && mValidator != null && 2346 mValidator.isValid(input); 2347 } 2348 2349 private class RecipientTextWatcher implements TextWatcher { 2350 2351 @Override 2352 public void afterTextChanged(Editable s) { 2353 // If the text has been set to null or empty, make sure we remove 2354 // all the spans we applied. 2355 if (TextUtils.isEmpty(s)) { 2356 // Remove all the chips spans. 2357 Spannable spannable = getSpannable(); 2358 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2359 DrawableRecipientChip.class); 2360 for (DrawableRecipientChip chip : chips) { 2361 spannable.removeSpan(chip); 2362 } 2363 if (mMoreChip != null) { 2364 spannable.removeSpan(mMoreChip); 2365 } 2366 clearSelectedChip(); 2367 return; 2368 } 2369 // Get whether there are any recipients pending addition to the 2370 // view. If there are, don't do anything in the text watcher. 2371 if (chipsPending()) { 2372 return; 2373 } 2374 // If the user is editing a chip, don't clear it. 2375 if (mSelectedChip != null) { 2376 if (!isGeneratedContact(mSelectedChip)) { 2377 setCursorVisible(true); 2378 setSelection(getText().length()); 2379 clearSelectedChip(); 2380 } else { 2381 return; 2382 } 2383 } 2384 int length = s.length(); 2385 // Make sure there is content there to parse and that it is 2386 // not just the commit character. 2387 if (length > 1) { 2388 if (lastCharacterIsCommitCharacter(s)) { 2389 commitByCharacter(); 2390 return; 2391 } 2392 char last; 2393 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2394 int len = length() - 1; 2395 if (end != len) { 2396 last = s.charAt(end); 2397 } else { 2398 last = s.charAt(len); 2399 } 2400 if (last == COMMIT_CHAR_SPACE) { 2401 if (!isPhoneQuery()) { 2402 // Check if this is a valid email address. If it is, 2403 // commit it. 2404 String text = getText().toString(); 2405 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2406 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2407 tokenStart)); 2408 if (isValidEmailAddress(sub)) { 2409 commitByCharacter(); 2410 } 2411 } 2412 } 2413 } 2414 } 2415 2416 @Override 2417 public void onTextChanged(CharSequence s, int start, int before, int count) { 2418 // The user deleted some text OR some text was replaced; check to 2419 // see if the insertion point is on a space 2420 // following a chip. 2421 if (before - count == 1) { 2422 // If the item deleted is a space, and the thing before the 2423 // space is a chip, delete the entire span. 2424 int selStart = getSelectionStart(); 2425 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2426 DrawableRecipientChip.class); 2427 if (repl.length > 0) { 2428 // There is a chip there! Just remove it. 2429 Editable editable = getText(); 2430 // Add the separator token. 2431 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2432 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2433 tokenEnd = tokenEnd + 1; 2434 if (tokenEnd > editable.length()) { 2435 tokenEnd = editable.length(); 2436 } 2437 editable.delete(tokenStart, tokenEnd); 2438 getSpannable().removeSpan(repl[0]); 2439 } 2440 } else if (count > before) { 2441 if (mSelectedChip != null 2442 && isGeneratedContact(mSelectedChip)) { 2443 if (lastCharacterIsCommitCharacter(s)) { 2444 commitByCharacter(); 2445 return; 2446 } 2447 } 2448 } 2449 } 2450 2451 @Override 2452 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2453 // Do nothing. 2454 } 2455 } 2456 2457 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2458 char last; 2459 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2460 int len = length() - 1; 2461 if (end != len) { 2462 last = s.charAt(end); 2463 } else { 2464 last = s.charAt(len); 2465 } 2466 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2467 } 2468 2469 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2470 long contactId = chip.getContactId(); 2471 return contactId == RecipientEntry.INVALID_CONTACT 2472 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2473 } 2474 2475 /** 2476 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2477 */ 2478 private void handlePasteClip(ClipData clip) { 2479 removeTextChangedListener(mTextWatcher); 2480 2481 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2482 for (int i = 0; i < clip.getItemCount(); i++) { 2483 CharSequence paste = clip.getItemAt(i).getText(); 2484 if (paste != null) { 2485 int start = getSelectionStart(); 2486 int end = getSelectionEnd(); 2487 Editable editable = getText(); 2488 if (start >= 0 && end >= 0 && start != end) { 2489 editable.append(paste, start, end); 2490 } else { 2491 editable.insert(end, paste); 2492 } 2493 handlePasteAndReplace(); 2494 } 2495 } 2496 } 2497 2498 mHandler.post(mAddTextWatcher); 2499 } 2500 2501 @Override 2502 public boolean onTextContextMenuItem(int id) { 2503 if (id == android.R.id.paste) { 2504 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2505 Context.CLIPBOARD_SERVICE); 2506 handlePasteClip(clipboard.getPrimaryClip()); 2507 return true; 2508 } 2509 return super.onTextContextMenuItem(id); 2510 } 2511 2512 private void handlePasteAndReplace() { 2513 ArrayList<DrawableRecipientChip> created = handlePaste(); 2514 if (created != null && created.size() > 0) { 2515 // Perform reverse lookups on the pasted contacts. 2516 IndividualReplacementTask replace = new IndividualReplacementTask(); 2517 replace.execute(created); 2518 } 2519 } 2520 2521 // Visible for testing. 2522 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2523 String text = getText().toString(); 2524 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2525 String lastAddress = text.substring(originalTokenStart); 2526 int tokenStart = originalTokenStart; 2527 int prevTokenStart = 0; 2528 DrawableRecipientChip findChip = null; 2529 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2530 if (tokenStart != 0) { 2531 // There are things before this! 2532 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2533 prevTokenStart = tokenStart; 2534 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2535 findChip = findChip(tokenStart); 2536 if (tokenStart == originalTokenStart && findChip == null) { 2537 break; 2538 } 2539 } 2540 if (tokenStart != originalTokenStart) { 2541 if (findChip != null) { 2542 tokenStart = prevTokenStart; 2543 } 2544 int tokenEnd; 2545 DrawableRecipientChip createdChip; 2546 while (tokenStart < originalTokenStart) { 2547 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2548 tokenStart)); 2549 commitChip(tokenStart, tokenEnd, getText()); 2550 createdChip = findChip(tokenStart); 2551 if (createdChip == null) { 2552 break; 2553 } 2554 // +1 for the space at the end. 2555 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2556 created.add(createdChip); 2557 } 2558 } 2559 } 2560 // Take a look at the last token. If the token has been completed with a 2561 // commit character, create a chip. 2562 if (isCompletedToken(lastAddress)) { 2563 Editable editable = getText(); 2564 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2565 commitChip(tokenStart, editable.length(), editable); 2566 created.add(findChip(tokenStart)); 2567 } 2568 return created; 2569 } 2570 2571 // Visible for testing. 2572 /* package */int movePastTerminators(int tokenEnd) { 2573 if (tokenEnd >= length()) { 2574 return tokenEnd; 2575 } 2576 char atEnd = getText().toString().charAt(tokenEnd); 2577 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2578 tokenEnd++; 2579 } 2580 // This token had not only an end token character, but also a space 2581 // separating it from the next token. 2582 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2583 tokenEnd++; 2584 } 2585 return tokenEnd; 2586 } 2587 2588 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2589 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2590 try { 2591 if (mNoChips) { 2592 return null; 2593 } 2594 return constructChipSpan(entry, false); 2595 } catch (NullPointerException e) { 2596 Log.e(TAG, e.getMessage(), e); 2597 return null; 2598 } 2599 } 2600 2601 @Override 2602 protected void onPreExecute() { 2603 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2604 // replaced 2605 final List<DrawableRecipientChip> originalRecipients = 2606 new ArrayList<DrawableRecipientChip>(); 2607 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2608 for (int i = 0; i < existingChips.length; i++) { 2609 originalRecipients.add(existingChips[i]); 2610 } 2611 if (mRemovedSpans != null) { 2612 originalRecipients.addAll(mRemovedSpans); 2613 } 2614 2615 final List<DrawableRecipientChip> replacements = 2616 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2617 2618 for (final DrawableRecipientChip chip : originalRecipients) { 2619 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2620 && getSpannable().getSpanStart(chip) != -1) { 2621 replacements.add(createFreeChip(chip.getEntry())); 2622 } else { 2623 replacements.add(null); 2624 } 2625 } 2626 2627 processReplacements(originalRecipients, replacements); 2628 } 2629 2630 @Override 2631 protected Void doInBackground(Void... params) { 2632 if (mIndividualReplacements != null) { 2633 mIndividualReplacements.cancel(true); 2634 } 2635 // For each chip in the list, look up the matching contact. 2636 // If there is a match, replace that chip with the matching 2637 // chip. 2638 final ArrayList<DrawableRecipientChip> recipients = 2639 new ArrayList<DrawableRecipientChip>(); 2640 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2641 for (int i = 0; i < existingChips.length; i++) { 2642 recipients.add(existingChips[i]); 2643 } 2644 if (mRemovedSpans != null) { 2645 recipients.addAll(mRemovedSpans); 2646 } 2647 ArrayList<String> addresses = new ArrayList<String>(); 2648 DrawableRecipientChip chip; 2649 for (int i = 0; i < recipients.size(); i++) { 2650 chip = recipients.get(i); 2651 if (chip != null) { 2652 addresses.add(createAddressText(chip.getEntry())); 2653 } 2654 } 2655 final BaseRecipientAdapter adapter = getAdapter(); 2656 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2657 @Override 2658 public void matchesFound(Map<String, RecipientEntry> entries) { 2659 final ArrayList<DrawableRecipientChip> replacements = 2660 new ArrayList<DrawableRecipientChip>(); 2661 for (final DrawableRecipientChip temp : recipients) { 2662 RecipientEntry entry = null; 2663 if (temp != null && RecipientEntry.isCreatedRecipient( 2664 temp.getEntry().getContactId()) 2665 && getSpannable().getSpanStart(temp) != -1) { 2666 // Replace this. 2667 entry = createValidatedEntry( 2668 entries.get(tokenizeAddress(temp.getEntry() 2669 .getDestination()))); 2670 } 2671 if (entry != null) { 2672 replacements.add(createFreeChip(entry)); 2673 } else { 2674 replacements.add(null); 2675 } 2676 } 2677 processReplacements(recipients, replacements); 2678 } 2679 2680 @Override 2681 public void matchesNotFound(final Set<String> unfoundAddresses) { 2682 final List<DrawableRecipientChip> replacements = 2683 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2684 2685 for (final DrawableRecipientChip temp : recipients) { 2686 if (temp != null && RecipientEntry.isCreatedRecipient( 2687 temp.getEntry().getContactId()) 2688 && getSpannable().getSpanStart(temp) != -1) { 2689 if (unfoundAddresses.contains( 2690 temp.getEntry().getDestination())) { 2691 replacements.add(createFreeChip(temp.getEntry())); 2692 } else { 2693 replacements.add(null); 2694 } 2695 } else { 2696 replacements.add(null); 2697 } 2698 } 2699 2700 processReplacements(recipients, replacements); 2701 } 2702 }); 2703 return null; 2704 } 2705 2706 private void processReplacements(final List<DrawableRecipientChip> recipients, 2707 final List<DrawableRecipientChip> replacements) { 2708 if (replacements != null && replacements.size() > 0) { 2709 final Runnable runnable = new Runnable() { 2710 @Override 2711 public void run() { 2712 final Editable text = new SpannableStringBuilder(getText()); 2713 int i = 0; 2714 for (final DrawableRecipientChip chip : recipients) { 2715 final DrawableRecipientChip replacement = replacements.get(i); 2716 if (replacement != null) { 2717 final RecipientEntry oldEntry = chip.getEntry(); 2718 final RecipientEntry newEntry = replacement.getEntry(); 2719 final boolean isBetter = 2720 RecipientAlternatesAdapter.getBetterRecipient( 2721 oldEntry, newEntry) == newEntry; 2722 2723 if (isBetter) { 2724 // Find the location of the chip in the text currently shown. 2725 final int start = text.getSpanStart(chip); 2726 if (start != -1) { 2727 // Replacing the entirety of what the chip represented, 2728 // including the extra space dividing it from other chips. 2729 final int end = 2730 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2731 text.removeSpan(chip); 2732 // Make sure we always have just 1 space at the end to 2733 // separate this chip from the next chip. 2734 final SpannableString displayText = 2735 new SpannableString(createAddressText( 2736 replacement.getEntry()).trim() + " "); 2737 displayText.setSpan(replacement, 0, 2738 displayText.length() - 1, 2739 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2740 // Replace the old text we found with with the new display 2741 // text, which now may also contain the display name of the 2742 // recipient. 2743 text.replace(start, end, displayText); 2744 replacement.setOriginalText(displayText.toString()); 2745 replacements.set(i, null); 2746 2747 recipients.set(i, replacement); 2748 } 2749 } 2750 } 2751 i++; 2752 } 2753 setText(text); 2754 } 2755 }; 2756 2757 if (Looper.myLooper() == Looper.getMainLooper()) { 2758 runnable.run(); 2759 } else { 2760 mHandler.post(runnable); 2761 } 2762 } 2763 } 2764 } 2765 2766 private class IndividualReplacementTask 2767 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2768 @Override 2769 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2770 // For each chip in the list, look up the matching contact. 2771 // If there is a match, replace that chip with the matching 2772 // chip. 2773 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2774 ArrayList<String> addresses = new ArrayList<String>(); 2775 DrawableRecipientChip chip; 2776 for (int i = 0; i < originalRecipients.size(); i++) { 2777 chip = originalRecipients.get(i); 2778 if (chip != null) { 2779 addresses.add(createAddressText(chip.getEntry())); 2780 } 2781 } 2782 final BaseRecipientAdapter adapter = getAdapter(); 2783 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2784 2785 @Override 2786 public void matchesFound(Map<String, RecipientEntry> entries) { 2787 for (final DrawableRecipientChip temp : originalRecipients) { 2788 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2789 .getContactId()) 2790 && getSpannable().getSpanStart(temp) != -1) { 2791 // Replace this. 2792 final RecipientEntry entry = createValidatedEntry(entries 2793 .get(tokenizeAddress(temp.getEntry().getDestination()) 2794 .toLowerCase())); 2795 if (entry != null) { 2796 mHandler.post(new Runnable() { 2797 @Override 2798 public void run() { 2799 replaceChip(temp, entry); 2800 } 2801 }); 2802 } 2803 } 2804 } 2805 } 2806 2807 @Override 2808 public void matchesNotFound(final Set<String> unfoundAddresses) { 2809 // No action required 2810 } 2811 }); 2812 return null; 2813 } 2814 } 2815 2816 2817 /** 2818 * MoreImageSpan is a simple class created for tracking the existence of a 2819 * more chip across activity restarts/ 2820 */ 2821 private class MoreImageSpan extends ImageSpan { 2822 public MoreImageSpan(Drawable b) { 2823 super(b); 2824 } 2825 } 2826 2827 @Override 2828 public boolean onDown(MotionEvent e) { 2829 return false; 2830 } 2831 2832 @Override 2833 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2834 // Do nothing. 2835 return false; 2836 } 2837 2838 @Override 2839 public void onLongPress(MotionEvent event) { 2840 if (mSelectedChip != null) { 2841 return; 2842 } 2843 float x = event.getX(); 2844 float y = event.getY(); 2845 final int offset = putOffsetInRange(x, y); 2846 DrawableRecipientChip currentChip = findChip(offset); 2847 if (currentChip != null) { 2848 if (mDragEnabled) { 2849 // Start drag-and-drop for the selected chip. 2850 startDrag(currentChip); 2851 } else { 2852 // Copy the selected chip email address. 2853 showCopyDialog(currentChip.getEntry().getDestination()); 2854 } 2855 } 2856 } 2857 2858 // The following methods are used to provide some functionality on older versions of Android 2859 // These methods were copied out of JB MR2's TextView 2860 ///////////////////////////////////////////////// 2861 private int supportGetOffsetForPosition(float x, float y) { 2862 if (getLayout() == null) return -1; 2863 final int line = supportGetLineAtCoordinate(y); 2864 final int offset = supportGetOffsetAtCoordinate(line, x); 2865 return offset; 2866 } 2867 2868 private float supportConvertToLocalHorizontalCoordinate(float x) { 2869 x -= getTotalPaddingLeft(); 2870 // Clamp the position to inside of the view. 2871 x = Math.max(0.0f, x); 2872 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2873 x += getScrollX(); 2874 return x; 2875 } 2876 2877 private int supportGetLineAtCoordinate(float y) { 2878 y -= getTotalPaddingLeft(); 2879 // Clamp the position to inside of the view. 2880 y = Math.max(0.0f, y); 2881 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2882 y += getScrollY(); 2883 return getLayout().getLineForVertical((int) y); 2884 } 2885 2886 private int supportGetOffsetAtCoordinate(int line, float x) { 2887 x = supportConvertToLocalHorizontalCoordinate(x); 2888 return getLayout().getOffsetForHorizontal(line, x); 2889 } 2890 ///////////////////////////////////////////////// 2891 2892 /** 2893 * Enables drag-and-drop for chips. 2894 */ 2895 public void enableDrag() { 2896 mDragEnabled = true; 2897 } 2898 2899 /** 2900 * Starts drag-and-drop for the selected chip. 2901 */ 2902 private void startDrag(DrawableRecipientChip currentChip) { 2903 String address = currentChip.getEntry().getDestination(); 2904 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2905 2906 // Start drag mode. 2907 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2908 2909 // Remove the current chip, so drag-and-drop will result in a move. 2910 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2911 removeChip(currentChip); 2912 } 2913 2914 /** 2915 * Handles drag event. 2916 */ 2917 @Override 2918 public boolean onDragEvent(DragEvent event) { 2919 switch (event.getAction()) { 2920 case DragEvent.ACTION_DRAG_STARTED: 2921 // Only handle plain text drag and drop. 2922 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2923 case DragEvent.ACTION_DRAG_ENTERED: 2924 requestFocus(); 2925 return true; 2926 case DragEvent.ACTION_DROP: 2927 handlePasteClip(event.getClipData()); 2928 return true; 2929 } 2930 return false; 2931 } 2932 2933 /** 2934 * Drag shadow for a {@link DrawableRecipientChip}. 2935 */ 2936 private final class RecipientChipShadow extends DragShadowBuilder { 2937 private final DrawableRecipientChip mChip; 2938 2939 public RecipientChipShadow(DrawableRecipientChip chip) { 2940 mChip = chip; 2941 } 2942 2943 @Override 2944 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2945 Rect rect = mChip.getBounds(); 2946 shadowSize.set(rect.width(), rect.height()); 2947 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2948 } 2949 2950 @Override 2951 public void onDrawShadow(Canvas canvas) { 2952 mChip.draw(canvas); 2953 } 2954 } 2955 2956 private void showCopyDialog(final String address) { 2957 if (!mAttachedToWindow) { 2958 return; 2959 } 2960 mCopyAddress = address; 2961 mCopyDialog.setTitle(address); 2962 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2963 mCopyDialog.setCancelable(true); 2964 mCopyDialog.setCanceledOnTouchOutside(true); 2965 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2966 button.setOnClickListener(this); 2967 int btnTitleId; 2968 if (isPhoneQuery()) { 2969 btnTitleId = R.string.copy_number; 2970 } else { 2971 btnTitleId = R.string.copy_email; 2972 } 2973 String buttonTitle = getContext().getResources().getString(btnTitleId); 2974 button.setText(buttonTitle); 2975 mCopyDialog.setOnDismissListener(this); 2976 mCopyDialog.show(); 2977 } 2978 2979 @Override 2980 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2981 // Do nothing. 2982 return false; 2983 } 2984 2985 @Override 2986 public void onShowPress(MotionEvent e) { 2987 // Do nothing. 2988 } 2989 2990 @Override 2991 public boolean onSingleTapUp(MotionEvent e) { 2992 // Do nothing. 2993 return false; 2994 } 2995 2996 @Override 2997 public void onDismiss(DialogInterface dialog) { 2998 mCopyAddress = null; 2999 } 3000 3001 @Override 3002 public void onClick(View v) { 3003 // Copy this to the clipboard. 3004 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3005 Context.CLIPBOARD_SERVICE); 3006 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3007 mCopyDialog.dismiss(); 3008 } 3009 3010 protected boolean isPhoneQuery() { 3011 return getAdapter() != null 3012 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3013 } 3014 3015 @Override 3016 public BaseRecipientAdapter getAdapter() { 3017 return (BaseRecipientAdapter) super.getAdapter(); 3018 } 3019 3020 /** 3021 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3022 * unfinished text at the end. 3023 */ 3024 public void appendRecipientEntry(final RecipientEntry entry) { 3025 clearComposingText(); 3026 3027 final Editable editable = getText(); 3028 int chipInsertionPoint = 0; 3029 3030 // Find the end of last chip and see if there's any unchipified text. 3031 final DrawableRecipientChip[] recips = getSortedRecipients(); 3032 if (recips != null && recips.length > 0) { 3033 final DrawableRecipientChip last = recips[recips.length - 1]; 3034 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3035 // the insertion point will be kept untouched. 3036 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3037 } 3038 3039 final CharSequence chip = createChip(entry, false); 3040 if (chip != null) { 3041 editable.insert(chipInsertionPoint, chip); 3042 } 3043 } 3044 3045 private static class ChipBitmapContainer { 3046 Bitmap bitmap; 3047 // information used for positioning the loaded icon 3048 boolean loadIcon = true; 3049 float left; 3050 float top; 3051 float right; 3052 float bottom; 3053 } 3054} 3055