RecipientEditTextView.java revision 35e82d4f9522906f7953667cf5c5f8137ec2f5ac
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 && (contact.getPhotoThumbnailUri() != null || 757 getAdapter().ignoreNullThumbnailUri())) { 758 // TODO: cache this in the recipient entry? 759 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 760 @Override 761 public void onPhotoBytesAsynchronouslyPopulated() { 762 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 763 final Bitmap icon; 764 if (loadedPhotoBytes != null) { 765 icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 766 loadedPhotoBytes.length); 767 } else { 768 // TODO: can the scaled down default photo be cached? 769 icon = mDefaultContactPhoto; 770 } 771 // This is called on the main thread so we can draw the icon here 772 drawIcon(bitmapContainer, icon, paint); 773 } 774 }); 775 } else { 776 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 777 origPhotoBytes.length); 778 drawIcon(bitmapContainer, icon, paint); 779 } 780 } 781 } 782 783 /** 784 * Get the background drawable for a RecipientChip. 785 */ 786 // Visible for testing. 787 /* package */Drawable getChipBackground(RecipientEntry contact) { 788 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 789 } 790 791 /** 792 * Given a height, returns a Y offset that will draw the text in the middle of the height. 793 */ 794 protected float getTextYOffset(String text, TextPaint paint, int height) { 795 Rect bounds = new Rect(); 796 paint.getTextBounds(text, 0, text.length(), bounds); 797 int textHeight = bounds.bottom - bounds.top ; 798 return height - ((height - textHeight) / 2) - (int)paint.descent(); 799 } 800 801 /** 802 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 803 * rectangle of the canvas. 804 */ 805 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 806 Matrix matrix = new Matrix(); 807 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 808 canvas.drawBitmap(icon, matrix, paint); 809 } 810 811 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 812 throws NullPointerException { 813 if (mChipBackground == null) { 814 throw new NullPointerException( 815 "Unable to render any chips as setChipDimensions was not called."); 816 } 817 818 TextPaint paint = getPaint(); 819 float defaultSize = paint.getTextSize(); 820 int defaultColor = paint.getColor(); 821 822 Bitmap tmpBitmap; 823 if (pressed) { 824 tmpBitmap = createSelectedChip(contact, paint); 825 826 } else { 827 tmpBitmap = createUnselectedChip(contact, paint); 828 } 829 830 // Pass the full text, un-ellipsized, to the chip. 831 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 832 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 833 DrawableRecipientChip recipientChip = 834 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 835 // Return text to the original size. 836 paint.setTextSize(defaultSize); 837 paint.setColor(defaultColor); 838 return recipientChip; 839 } 840 841 private int getImageSpanAlignment() { 842 switch (mImageSpanAlignment) { 843 case IMAGE_SPAN_ALIGNMENT_BASELINE: 844 return ImageSpan.ALIGN_BASELINE; 845 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 846 return ImageSpan.ALIGN_BOTTOM; 847 default: 848 return ImageSpan.ALIGN_BOTTOM; 849 } 850 } 851 852 /** 853 * Calculate the bottom of the line the chip will be located on using: 854 * 1) which line the chip appears on 855 * 2) the height of a chip 856 * 3) padding built into the edit text view 857 */ 858 private int calculateOffsetFromBottom(int line) { 859 // Line offsets start at zero. 860 int actualLine = getLineCount() - (line + 1); 861 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 862 + getDropDownVerticalOffset(); 863 } 864 865 /** 866 * Get the max amount of space a chip can take up. The formula takes into 867 * account the width of the EditTextView, any view padding, and padding 868 * that will be added to the chip. 869 */ 870 private float calculateAvailableWidth() { 871 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 872 } 873 874 875 private void setChipDimensions(Context context, AttributeSet attrs) { 876 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 877 0); 878 Resources r = getContext().getResources(); 879 880 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 881 if (mChipBackground == null) { 882 mChipBackground = r.getDrawable(R.drawable.chip_background); 883 } 884 mChipBackgroundPressed = a 885 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 886 if (mChipBackgroundPressed == null) { 887 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 888 } 889 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 890 if (mChipDelete == null) { 891 mChipDelete = r.getDrawable(R.drawable.chip_delete); 892 } 893 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 894 if (mChipPadding == -1) { 895 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 896 } 897 898 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 899 900 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 901 902 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 903 if (mChipHeight == -1) { 904 mChipHeight = r.getDimension(R.dimen.chip_height); 905 } 906 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 907 if (mChipFontSize == -1) { 908 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 909 } 910 mInvalidChipBackground = a 911 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 912 if (mInvalidChipBackground == null) { 913 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 914 } 915 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 916 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 917 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 918 919 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 920 mMaxLines = r.getInteger(R.integer.chips_max_lines); 921 TypedValue tv = new TypedValue(); 922 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 923 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 924 .getDisplayMetrics()); 925 } 926 927 a.recycle(); 928 } 929 930 // Visible for testing. 931 /* package */ void setMoreItem(TextView moreItem) { 932 mMoreItem = moreItem; 933 } 934 935 936 // Visible for testing. 937 /* package */ void setChipBackground(Drawable chipBackground) { 938 mChipBackground = chipBackground; 939 } 940 941 // Visible for testing. 942 /* package */ void setChipHeight(int height) { 943 mChipHeight = height; 944 } 945 946 public float getChipHeight() { 947 return mChipHeight; 948 } 949 950 /** 951 * Set whether to shrink the recipients field such that at most 952 * one line of recipients chips are shown when the field loses 953 * focus. By default, the number of displayed recipients will be 954 * limited and a "more" chip will be shown when focus is lost. 955 * @param shrink 956 */ 957 public void setOnFocusListShrinkRecipients(boolean shrink) { 958 mShouldShrink = shrink; 959 } 960 961 @Override 962 public void onSizeChanged(int width, int height, int oldw, int oldh) { 963 super.onSizeChanged(width, height, oldw, oldh); 964 if (width != 0 && height != 0) { 965 if (mPendingChipsCount > 0) { 966 postHandlePendingChips(); 967 } else { 968 checkChipWidths(); 969 } 970 } 971 // Try to find the scroll view parent, if it exists. 972 if (mScrollView == null && !mTriedGettingScrollView) { 973 ViewParent parent = getParent(); 974 while (parent != null && !(parent instanceof ScrollView)) { 975 parent = parent.getParent(); 976 } 977 if (parent != null) { 978 mScrollView = (ScrollView) parent; 979 } 980 mTriedGettingScrollView = true; 981 } 982 } 983 984 private void postHandlePendingChips() { 985 mHandler.removeCallbacks(mHandlePendingChips); 986 mHandler.post(mHandlePendingChips); 987 } 988 989 private void checkChipWidths() { 990 // Check the widths of the associated chips. 991 DrawableRecipientChip[] chips = getSortedRecipients(); 992 if (chips != null) { 993 Rect bounds; 994 for (DrawableRecipientChip chip : chips) { 995 bounds = chip.getBounds(); 996 if (getWidth() > 0 && bounds.right - bounds.left > 997 getWidth() - getPaddingLeft() - getPaddingRight()) { 998 // Need to redraw that chip. 999 replaceChip(chip, chip.getEntry()); 1000 } 1001 } 1002 } 1003 } 1004 1005 // Visible for testing. 1006 /*package*/ void handlePendingChips() { 1007 if (getViewWidth() <= 0) { 1008 // The widget has not been sized yet. 1009 // This will be called as a result of onSizeChanged 1010 // at a later point. 1011 return; 1012 } 1013 if (mPendingChipsCount <= 0) { 1014 return; 1015 } 1016 1017 synchronized (mPendingChips) { 1018 Editable editable = getText(); 1019 // Tokenize! 1020 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1021 for (int i = 0; i < mPendingChips.size(); i++) { 1022 String current = mPendingChips.get(i); 1023 int tokenStart = editable.toString().indexOf(current); 1024 // Always leave a space at the end between tokens. 1025 int tokenEnd = tokenStart + current.length() - 1; 1026 if (tokenStart >= 0) { 1027 // When we have a valid token, include it with the token 1028 // to the left. 1029 if (tokenEnd < editable.length() - 2 1030 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1031 tokenEnd++; 1032 } 1033 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1034 || !mShouldShrink); 1035 } 1036 mPendingChipsCount--; 1037 } 1038 sanitizeEnd(); 1039 } else { 1040 mNoChips = true; 1041 } 1042 1043 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1044 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1045 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1046 new RecipientReplacementTask().execute(); 1047 mTemporaryRecipients = null; 1048 } else { 1049 // Create the "more" chip 1050 mIndividualReplacements = new IndividualReplacementTask(); 1051 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1052 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1053 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1054 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1055 mTemporaryRecipients.subList(CHIP_LIMIT, 1056 mTemporaryRecipients.size())); 1057 } else { 1058 mTemporaryRecipients = null; 1059 } 1060 createMoreChip(); 1061 } 1062 } else { 1063 // There are too many recipients to look up, so just fall back 1064 // to showing addresses for all of them. 1065 mTemporaryRecipients = null; 1066 createMoreChip(); 1067 } 1068 mPendingChipsCount = 0; 1069 mPendingChips.clear(); 1070 } 1071 } 1072 1073 // Visible for testing. 1074 /*package*/ int getViewWidth() { 1075 return getWidth(); 1076 } 1077 1078 /** 1079 * Remove any characters after the last valid chip. 1080 */ 1081 // Visible for testing. 1082 /*package*/ void sanitizeEnd() { 1083 // Don't sanitize while we are waiting for pending chips to complete. 1084 if (mPendingChipsCount > 0) { 1085 return; 1086 } 1087 // Find the last chip; eliminate any commit characters after it. 1088 DrawableRecipientChip[] chips = getSortedRecipients(); 1089 Spannable spannable = getSpannable(); 1090 if (chips != null && chips.length > 0) { 1091 int end; 1092 mMoreChip = getMoreChip(); 1093 if (mMoreChip != null) { 1094 end = spannable.getSpanEnd(mMoreChip); 1095 } else { 1096 end = getSpannable().getSpanEnd(getLastChip()); 1097 } 1098 Editable editable = getText(); 1099 int length = editable.length(); 1100 if (length > end) { 1101 // See what characters occur after that and eliminate them. 1102 if (Log.isLoggable(TAG, Log.DEBUG)) { 1103 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1104 + editable); 1105 } 1106 editable.delete(end + 1, length); 1107 } 1108 } 1109 } 1110 1111 /** 1112 * Create a chip that represents just the email address of a recipient. At some later 1113 * point, this chip will be attached to a real contact entry, if one exists. 1114 */ 1115 // VisibleForTesting 1116 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1117 boolean visible) { 1118 if (alreadyHasChip(tokenStart, tokenEnd)) { 1119 // There is already a chip present at this location. 1120 // Don't recreate it. 1121 return; 1122 } 1123 String token = editable.toString().substring(tokenStart, tokenEnd); 1124 final String trimmedToken = token.trim(); 1125 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1126 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1127 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1128 } 1129 RecipientEntry entry = createTokenizedEntry(token); 1130 if (entry != null) { 1131 DrawableRecipientChip chip = null; 1132 try { 1133 if (!mNoChips) { 1134 chip = visible ? 1135 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1136 } 1137 } catch (NullPointerException e) { 1138 Log.e(TAG, e.getMessage(), e); 1139 } 1140 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1141 // Add this chip to the list of entries "to replace" 1142 if (chip != null) { 1143 if (mTemporaryRecipients == null) { 1144 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1145 } 1146 chip.setOriginalText(token); 1147 mTemporaryRecipients.add(chip); 1148 } 1149 } 1150 } 1151 1152 private static boolean isPhoneNumber(String number) { 1153 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1154 // PhoneNumberUtil). One complication is that it requires the sender's region which 1155 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1156 if (TextUtils.isEmpty(number)) { 1157 return false; 1158 } 1159 1160 Matcher match = PHONE_PATTERN.matcher(number); 1161 return match.matches(); 1162 } 1163 1164 // VisibleForTesting 1165 RecipientEntry createTokenizedEntry(final String token) { 1166 if (TextUtils.isEmpty(token)) { 1167 return null; 1168 } 1169 if (isPhoneQuery() && isPhoneNumber(token)) { 1170 return RecipientEntry.constructFakePhoneEntry(token, true); 1171 } 1172 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1173 String display = null; 1174 boolean isValid = isValid(token); 1175 if (isValid && tokens != null && tokens.length > 0) { 1176 // If we can get a name from tokenizing, then generate an entry from 1177 // this. 1178 display = tokens[0].getName(); 1179 if (!TextUtils.isEmpty(display)) { 1180 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1181 isValid); 1182 } else { 1183 display = tokens[0].getAddress(); 1184 if (!TextUtils.isEmpty(display)) { 1185 return RecipientEntry.constructFakeEntry(display, isValid); 1186 } 1187 } 1188 } 1189 // Unable to validate the token or to create a valid token from it. 1190 // Just create a chip the user can edit. 1191 String validatedToken = null; 1192 if (mValidator != null && !isValid) { 1193 // Try fixing up the entry using the validator. 1194 validatedToken = mValidator.fixText(token).toString(); 1195 if (!TextUtils.isEmpty(validatedToken)) { 1196 if (validatedToken.contains(token)) { 1197 // protect against the case of a validator with a null 1198 // domain, 1199 // which doesn't add a domain to the token 1200 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1201 if (tokenized.length > 0) { 1202 validatedToken = tokenized[0].getAddress(); 1203 isValid = true; 1204 } 1205 } else { 1206 // We ran into a case where the token was invalid and 1207 // removed 1208 // by the validator. In this case, just use the original 1209 // token 1210 // and let the user sort out the error chip. 1211 validatedToken = null; 1212 isValid = false; 1213 } 1214 } 1215 } 1216 // Otherwise, fallback to just creating an editable email address chip. 1217 return RecipientEntry.constructFakeEntry( 1218 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1219 } 1220 1221 private boolean isValid(String text) { 1222 return mValidator == null ? true : mValidator.isValid(text); 1223 } 1224 1225 private static String tokenizeAddress(String destination) { 1226 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1227 if (tokens != null && tokens.length > 0) { 1228 return tokens[0].getAddress(); 1229 } 1230 return destination; 1231 } 1232 1233 @Override 1234 public void setTokenizer(Tokenizer tokenizer) { 1235 mTokenizer = tokenizer; 1236 super.setTokenizer(mTokenizer); 1237 } 1238 1239 @Override 1240 public void setValidator(Validator validator) { 1241 mValidator = validator; 1242 super.setValidator(validator); 1243 } 1244 1245 /** 1246 * We cannot use the default mechanism for replaceText. Instead, 1247 * we override onItemClickListener so we can get all the associated 1248 * contact information including display text, address, and id. 1249 */ 1250 @Override 1251 protected void replaceText(CharSequence text) { 1252 return; 1253 } 1254 1255 /** 1256 * Dismiss any selected chips when the back key is pressed. 1257 */ 1258 @Override 1259 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1260 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1261 clearSelectedChip(); 1262 return true; 1263 } 1264 return super.onKeyPreIme(keyCode, event); 1265 } 1266 1267 /** 1268 * Monitor key presses in this view to see if the user types 1269 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1270 * If the user has entered text that has contact matches and types 1271 * a commit key, create a chip from the topmost matching contact. 1272 * If the user has entered text that has no contact matches and types 1273 * a commit key, then create a chip from the text they have entered. 1274 */ 1275 @Override 1276 public boolean onKeyUp(int keyCode, KeyEvent event) { 1277 switch (keyCode) { 1278 case KeyEvent.KEYCODE_TAB: 1279 if (event.hasNoModifiers()) { 1280 if (mSelectedChip != null) { 1281 clearSelectedChip(); 1282 } else { 1283 commitDefault(); 1284 } 1285 } 1286 break; 1287 } 1288 return super.onKeyUp(keyCode, event); 1289 } 1290 1291 private boolean focusNext() { 1292 View next = focusSearch(View.FOCUS_DOWN); 1293 if (next != null) { 1294 next.requestFocus(); 1295 return true; 1296 } 1297 return false; 1298 } 1299 1300 /** 1301 * Create a chip from the default selection. If the popup is showing, the 1302 * default is the selected item (if one is selected), or the first item, in the popup 1303 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1304 * tokenizer should search for a token to turn into a chip. 1305 * @return If a chip was created from a real contact. 1306 */ 1307 private boolean commitDefault() { 1308 // If there is no tokenizer, don't try to commit. 1309 if (mTokenizer == null) { 1310 return false; 1311 } 1312 Editable editable = getText(); 1313 int end = getSelectionEnd(); 1314 int start = mTokenizer.findTokenStart(editable, end); 1315 1316 if (shouldCreateChip(start, end)) { 1317 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1318 // In the middle of chip; treat this as an edit 1319 // and commit the whole token. 1320 whatEnd = movePastTerminators(whatEnd); 1321 if (whatEnd != getSelectionEnd()) { 1322 handleEdit(start, whatEnd); 1323 return true; 1324 } 1325 return commitChip(start, end , editable); 1326 } 1327 return false; 1328 } 1329 1330 private void commitByCharacter() { 1331 // We can't possibly commit by character if we can't tokenize. 1332 if (mTokenizer == null) { 1333 return; 1334 } 1335 Editable editable = getText(); 1336 int end = getSelectionEnd(); 1337 int start = mTokenizer.findTokenStart(editable, end); 1338 if (shouldCreateChip(start, end)) { 1339 commitChip(start, end, editable); 1340 } 1341 setSelection(getText().length()); 1342 } 1343 1344 private boolean commitChip(int start, int end, Editable editable) { 1345 ListAdapter adapter = getAdapter(); 1346 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1347 && end == getSelectionEnd() && !isPhoneQuery()) { 1348 // let's choose the selected or first entry if only the input text is NOT an email 1349 // address so we won't try to replace the user's potentially correct but 1350 // new/unencountered email input 1351 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1352 final int selectedPosition = getListSelection(); 1353 if (selectedPosition == -1) { 1354 // Nothing is selected; use the first item 1355 submitItemAtPosition(0); 1356 } else { 1357 submitItemAtPosition(selectedPosition); 1358 } 1359 } 1360 dismissDropDown(); 1361 return true; 1362 } else { 1363 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1364 if (editable.length() > tokenEnd + 1) { 1365 char charAt = editable.charAt(tokenEnd + 1); 1366 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1367 tokenEnd++; 1368 } 1369 } 1370 String text = editable.toString().substring(start, tokenEnd).trim(); 1371 clearComposingText(); 1372 if (text != null && text.length() > 0 && !text.equals(" ")) { 1373 RecipientEntry entry = createTokenizedEntry(text); 1374 if (entry != null) { 1375 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1376 CharSequence chipText = createChip(entry, false); 1377 if (chipText != null && start > -1 && end > -1) { 1378 editable.replace(start, end, chipText); 1379 } 1380 } 1381 // Only dismiss the dropdown if it is related to the text we 1382 // just committed. 1383 // For paste, it may not be as there are possibly multiple 1384 // tokens being added. 1385 if (end == getSelectionEnd()) { 1386 dismissDropDown(); 1387 } 1388 sanitizeBetween(); 1389 return true; 1390 } 1391 } 1392 return false; 1393 } 1394 1395 // Visible for testing. 1396 /* package */ void sanitizeBetween() { 1397 // Don't sanitize while we are waiting for content to chipify. 1398 if (mPendingChipsCount > 0) { 1399 return; 1400 } 1401 // Find the last chip. 1402 DrawableRecipientChip[] recips = getSortedRecipients(); 1403 if (recips != null && recips.length > 0) { 1404 DrawableRecipientChip last = recips[recips.length - 1]; 1405 DrawableRecipientChip beforeLast = null; 1406 if (recips.length > 1) { 1407 beforeLast = recips[recips.length - 2]; 1408 } 1409 int startLooking = 0; 1410 int end = getSpannable().getSpanStart(last); 1411 if (beforeLast != null) { 1412 startLooking = getSpannable().getSpanEnd(beforeLast); 1413 Editable text = getText(); 1414 if (startLooking == -1 || startLooking > text.length() - 1) { 1415 // There is nothing after this chip. 1416 return; 1417 } 1418 if (text.charAt(startLooking) == ' ') { 1419 startLooking++; 1420 } 1421 } 1422 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1423 getText().delete(startLooking, end); 1424 } 1425 } 1426 } 1427 1428 private boolean shouldCreateChip(int start, int end) { 1429 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1430 } 1431 1432 private boolean alreadyHasChip(int start, int end) { 1433 if (mNoChips) { 1434 return true; 1435 } 1436 DrawableRecipientChip[] chips = 1437 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1438 if ((chips == null || chips.length == 0)) { 1439 return false; 1440 } 1441 return true; 1442 } 1443 1444 private void handleEdit(int start, int end) { 1445 if (start == -1 || end == -1) { 1446 // This chip no longer exists in the field. 1447 dismissDropDown(); 1448 return; 1449 } 1450 // This is in the middle of a chip, so select out the whole chip 1451 // and commit it. 1452 Editable editable = getText(); 1453 setSelection(end); 1454 String text = getText().toString().substring(start, end); 1455 if (!TextUtils.isEmpty(text)) { 1456 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1457 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1458 CharSequence chipText = createChip(entry, false); 1459 int selEnd = getSelectionEnd(); 1460 if (chipText != null && start > -1 && selEnd > -1) { 1461 editable.replace(start, selEnd, chipText); 1462 } 1463 } 1464 dismissDropDown(); 1465 } 1466 1467 /** 1468 * If there is a selected chip, delegate the key events 1469 * to the selected chip. 1470 */ 1471 @Override 1472 public boolean onKeyDown(int keyCode, KeyEvent event) { 1473 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1474 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1475 mAlternatesPopup.dismiss(); 1476 } 1477 removeChip(mSelectedChip); 1478 } 1479 1480 switch (keyCode) { 1481 case KeyEvent.KEYCODE_ENTER: 1482 case KeyEvent.KEYCODE_DPAD_CENTER: 1483 if (event.hasNoModifiers()) { 1484 if (commitDefault()) { 1485 return true; 1486 } 1487 if (mSelectedChip != null) { 1488 clearSelectedChip(); 1489 return true; 1490 } else if (focusNext()) { 1491 return true; 1492 } 1493 } 1494 break; 1495 } 1496 1497 return super.onKeyDown(keyCode, event); 1498 } 1499 1500 // Visible for testing. 1501 /* package */ Spannable getSpannable() { 1502 return getText(); 1503 } 1504 1505 private int getChipStart(DrawableRecipientChip chip) { 1506 return getSpannable().getSpanStart(chip); 1507 } 1508 1509 private int getChipEnd(DrawableRecipientChip chip) { 1510 return getSpannable().getSpanEnd(chip); 1511 } 1512 1513 /** 1514 * Instead of filtering on the entire contents of the edit box, 1515 * this subclass method filters on the range from 1516 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1517 * if the length of that range meets or exceeds {@link #getThreshold} 1518 * and makes sure that the range is not already a Chip. 1519 */ 1520 @Override 1521 protected void performFiltering(CharSequence text, int keyCode) { 1522 boolean isCompletedToken = isCompletedToken(text); 1523 if (enoughToFilter() && !isCompletedToken) { 1524 int end = getSelectionEnd(); 1525 int start = mTokenizer.findTokenStart(text, end); 1526 // If this is a RecipientChip, don't filter 1527 // on its contents. 1528 Spannable span = getSpannable(); 1529 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1530 if (chips != null && chips.length > 0) { 1531 dismissDropDown(); 1532 return; 1533 } 1534 } else if (isCompletedToken) { 1535 dismissDropDown(); 1536 return; 1537 } 1538 super.performFiltering(text, keyCode); 1539 } 1540 1541 // Visible for testing. 1542 /*package*/ boolean isCompletedToken(CharSequence text) { 1543 if (TextUtils.isEmpty(text)) { 1544 return false; 1545 } 1546 // Check to see if this is a completed token before filtering. 1547 int end = text.length(); 1548 int start = mTokenizer.findTokenStart(text, end); 1549 String token = text.toString().substring(start, end).trim(); 1550 if (!TextUtils.isEmpty(token)) { 1551 char atEnd = token.charAt(token.length() - 1); 1552 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1553 } 1554 return false; 1555 } 1556 1557 private void clearSelectedChip() { 1558 if (mSelectedChip != null) { 1559 unselectChip(mSelectedChip); 1560 mSelectedChip = null; 1561 } 1562 setCursorVisible(true); 1563 } 1564 1565 /** 1566 * Monitor touch events in the RecipientEditTextView. 1567 * If the view does not have focus, any tap on the view 1568 * will just focus the view. If the view has focus, determine 1569 * if the touch target is a recipient chip. If it is and the chip 1570 * is not selected, select it and clear any other selected chips. 1571 * If it isn't, then select that chip. 1572 */ 1573 @Override 1574 public boolean onTouchEvent(MotionEvent event) { 1575 if (!isFocused()) { 1576 // Ignore any chip taps until this view is focused. 1577 return super.onTouchEvent(event); 1578 } 1579 boolean handled = super.onTouchEvent(event); 1580 int action = event.getAction(); 1581 boolean chipWasSelected = false; 1582 if (mSelectedChip == null) { 1583 mGestureDetector.onTouchEvent(event); 1584 } 1585 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1586 float x = event.getX(); 1587 float y = event.getY(); 1588 int offset = putOffsetInRange(x, y); 1589 DrawableRecipientChip currentChip = findChip(offset); 1590 if (currentChip != null) { 1591 if (action == MotionEvent.ACTION_UP) { 1592 if (mSelectedChip != null && mSelectedChip != currentChip) { 1593 clearSelectedChip(); 1594 mSelectedChip = selectChip(currentChip); 1595 } else if (mSelectedChip == null) { 1596 setSelection(getText().length()); 1597 commitDefault(); 1598 mSelectedChip = selectChip(currentChip); 1599 } else { 1600 onClick(mSelectedChip, offset, x, y); 1601 } 1602 } 1603 chipWasSelected = true; 1604 handled = true; 1605 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1606 chipWasSelected = true; 1607 } 1608 } 1609 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1610 clearSelectedChip(); 1611 } 1612 return handled; 1613 } 1614 1615 private void scrollLineIntoView(int line) { 1616 if (mScrollView != null) { 1617 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1618 } 1619 } 1620 1621 private void showAlternates(final DrawableRecipientChip currentChip, 1622 final ListPopupWindow alternatesPopup, final int width) { 1623 new AsyncTask<Void, Void, ListAdapter>() { 1624 @Override 1625 protected ListAdapter doInBackground(final Void... params) { 1626 return createAlternatesAdapter(currentChip); 1627 } 1628 1629 @Override 1630 protected void onPostExecute(final ListAdapter result) { 1631 if (!mAttachedToWindow) { 1632 return; 1633 } 1634 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1635 int bottom; 1636 if (line == getLineCount() -1) { 1637 bottom = 0; 1638 } else { 1639 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1640 .abs(getLineCount() - 1 - line))); 1641 } 1642 // Align the alternates popup with the left side of the View, 1643 // regardless of the position of the chip tapped. 1644 alternatesPopup.setWidth(width); 1645 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1646 alternatesPopup.setVerticalOffset(bottom); 1647 alternatesPopup.setAdapter(result); 1648 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1649 // Clear the checked item. 1650 mCheckedItem = -1; 1651 alternatesPopup.show(); 1652 ListView listView = alternatesPopup.getListView(); 1653 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1654 // Checked item would be -1 if the adapter has not 1655 // loaded the view that should be checked yet. The 1656 // variable will be set correctly when onCheckedItemChanged 1657 // is called in a separate thread. 1658 if (mCheckedItem != -1) { 1659 listView.setItemChecked(mCheckedItem, true); 1660 mCheckedItem = -1; 1661 } 1662 } 1663 }.execute((Void[]) null); 1664 } 1665 1666 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1667 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1668 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1669 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1670 } 1671 1672 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1673 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1674 mDropdownChipLayouter); 1675 } 1676 1677 @Override 1678 public void onCheckedItemChanged(int position) { 1679 ListView listView = mAlternatesPopup.getListView(); 1680 if (listView != null && listView.getCheckedItemCount() == 0) { 1681 listView.setItemChecked(position, true); 1682 } 1683 mCheckedItem = position; 1684 } 1685 1686 private int putOffsetInRange(final float x, final float y) { 1687 final int offset; 1688 1689 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1690 offset = getOffsetForPosition(x, y); 1691 } else { 1692 offset = supportGetOffsetForPosition(x, y); 1693 } 1694 1695 return putOffsetInRange(offset); 1696 } 1697 1698 // TODO: This algorithm will need a lot of tweaking after more people have used 1699 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1700 // what comes before the finger. 1701 private int putOffsetInRange(int o) { 1702 int offset = o; 1703 Editable text = getText(); 1704 int length = text.length(); 1705 // Remove whitespace from end to find "real end" 1706 int realLength = length; 1707 for (int i = length - 1; i >= 0; i--) { 1708 if (text.charAt(i) == ' ') { 1709 realLength--; 1710 } else { 1711 break; 1712 } 1713 } 1714 1715 // If the offset is beyond or at the end of the text, 1716 // leave it alone. 1717 if (offset >= realLength) { 1718 return offset; 1719 } 1720 Editable editable = getText(); 1721 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1722 // Keep walking backward! 1723 offset--; 1724 } 1725 return offset; 1726 } 1727 1728 private static int findText(Editable text, int offset) { 1729 if (text.charAt(offset) != ' ') { 1730 return offset; 1731 } 1732 return -1; 1733 } 1734 1735 private DrawableRecipientChip findChip(int offset) { 1736 DrawableRecipientChip[] chips = 1737 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1738 // Find the chip that contains this offset. 1739 for (int i = 0; i < chips.length; i++) { 1740 DrawableRecipientChip chip = chips[i]; 1741 int start = getChipStart(chip); 1742 int end = getChipEnd(chip); 1743 if (offset >= start && offset <= end) { 1744 return chip; 1745 } 1746 } 1747 return null; 1748 } 1749 1750 // Visible for testing. 1751 // Use this method to generate text to add to the list of addresses. 1752 /* package */String createAddressText(RecipientEntry entry) { 1753 String display = entry.getDisplayName(); 1754 String address = entry.getDestination(); 1755 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1756 display = null; 1757 } 1758 String trimmedDisplayText; 1759 if (isPhoneQuery() && isPhoneNumber(address)) { 1760 trimmedDisplayText = address.trim(); 1761 } else { 1762 if (address != null) { 1763 // Tokenize out the address in case the address already 1764 // contained the username as well. 1765 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1766 if (tokenized != null && tokenized.length > 0) { 1767 address = tokenized[0].getAddress(); 1768 } 1769 } 1770 Rfc822Token token = new Rfc822Token(display, address, null); 1771 trimmedDisplayText = token.toString().trim(); 1772 } 1773 int index = trimmedDisplayText.indexOf(","); 1774 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1775 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1776 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1777 } 1778 1779 // Visible for testing. 1780 // Use this method to generate text to display in a chip. 1781 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1782 String display = entry.getDisplayName(); 1783 String address = entry.getDestination(); 1784 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1785 display = null; 1786 } 1787 if (!TextUtils.isEmpty(display)) { 1788 return display; 1789 } else if (!TextUtils.isEmpty(address)){ 1790 return address; 1791 } else { 1792 return new Rfc822Token(display, address, null).toString(); 1793 } 1794 } 1795 1796 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1797 String displayText = createAddressText(entry); 1798 if (TextUtils.isEmpty(displayText)) { 1799 return null; 1800 } 1801 SpannableString chipText = null; 1802 // Always leave a blank space at the end of a chip. 1803 int textLength = displayText.length() - 1; 1804 chipText = new SpannableString(displayText); 1805 if (!mNoChips) { 1806 try { 1807 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1808 chipText.setSpan(chip, 0, textLength, 1809 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1810 chip.setOriginalText(chipText.toString()); 1811 } catch (NullPointerException e) { 1812 Log.e(TAG, e.getMessage(), e); 1813 return null; 1814 } 1815 } 1816 return chipText; 1817 } 1818 1819 /** 1820 * When an item in the suggestions list has been clicked, create a chip from the 1821 * contact information of the selected item. 1822 */ 1823 @Override 1824 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1825 if (position < 0) { 1826 return; 1827 } 1828 1829 final int charactersTyped = submitItemAtPosition(position); 1830 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1831 mRecipientEntryItemClickedListener 1832 .onRecipientEntryItemClicked(charactersTyped, position); 1833 } 1834 } 1835 1836 private int submitItemAtPosition(int position) { 1837 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1838 if (entry == null) { 1839 return -1; 1840 } 1841 clearComposingText(); 1842 1843 int end = getSelectionEnd(); 1844 int start = mTokenizer.findTokenStart(getText(), end); 1845 1846 Editable editable = getText(); 1847 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1848 CharSequence chip = createChip(entry, false); 1849 if (chip != null && start >= 0 && end >= 0) { 1850 editable.replace(start, end, chip); 1851 } 1852 sanitizeBetween(); 1853 1854 return end - start; 1855 } 1856 1857 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1858 if (item == null) { 1859 return null; 1860 } 1861 final RecipientEntry entry; 1862 // If the display name and the address are the same, or if this is a 1863 // valid contact, but the destination is invalid, then make this a fake 1864 // recipient that is editable. 1865 String destination = item.getDestination(); 1866 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1867 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1868 destination, item.isValid()); 1869 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1870 && (TextUtils.isEmpty(item.getDisplayName()) 1871 || TextUtils.equals(item.getDisplayName(), destination) 1872 || (mValidator != null && !mValidator.isValid(destination)))) { 1873 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1874 } else { 1875 entry = item; 1876 } 1877 return entry; 1878 } 1879 1880 // Visible for testing. 1881 /* package */DrawableRecipientChip[] getSortedRecipients() { 1882 DrawableRecipientChip[] recips = getSpannable() 1883 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1884 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1885 Arrays.asList(recips)); 1886 final Spannable spannable = getSpannable(); 1887 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1888 1889 @Override 1890 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1891 int firstStart = spannable.getSpanStart(first); 1892 int secondStart = spannable.getSpanStart(second); 1893 if (firstStart < secondStart) { 1894 return -1; 1895 } else if (firstStart > secondStart) { 1896 return 1; 1897 } else { 1898 return 0; 1899 } 1900 } 1901 }); 1902 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1903 } 1904 1905 @Override 1906 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1907 return false; 1908 } 1909 1910 @Override 1911 public void onDestroyActionMode(ActionMode mode) { 1912 } 1913 1914 @Override 1915 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1916 return false; 1917 } 1918 1919 /** 1920 * No chips are selectable. 1921 */ 1922 @Override 1923 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1924 return false; 1925 } 1926 1927 // Visible for testing. 1928 /* package */ImageSpan getMoreChip() { 1929 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1930 MoreImageSpan.class); 1931 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1932 } 1933 1934 private MoreImageSpan createMoreSpan(int count) { 1935 String moreText = String.format(mMoreItem.getText().toString(), count); 1936 TextPaint morePaint = new TextPaint(getPaint()); 1937 morePaint.setTextSize(mMoreItem.getTextSize()); 1938 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1939 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1940 + mMoreItem.getPaddingRight(); 1941 int height = getLineHeight(); 1942 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1943 Canvas canvas = new Canvas(drawable); 1944 int adjustedHeight = height; 1945 Layout layout = getLayout(); 1946 if (layout != null) { 1947 adjustedHeight -= layout.getLineDescent(0); 1948 } 1949 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1950 1951 Drawable result = new BitmapDrawable(getResources(), drawable); 1952 result.setBounds(0, 0, width, height); 1953 return new MoreImageSpan(result); 1954 } 1955 1956 // Visible for testing. 1957 /*package*/ void createMoreChipPlainText() { 1958 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1959 Editable text = getText(); 1960 int start = 0; 1961 int end = start; 1962 for (int i = 0; i < CHIP_LIMIT; i++) { 1963 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1964 start = end; // move to the next token and get its end. 1965 } 1966 // Now, count total addresses. 1967 start = 0; 1968 int tokenCount = countTokens(text); 1969 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1970 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1971 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1972 text.replace(end, text.length(), chipText); 1973 mMoreChip = moreSpan; 1974 } 1975 1976 // Visible for testing. 1977 /* package */int countTokens(Editable text) { 1978 int tokenCount = 0; 1979 int start = 0; 1980 while (start < text.length()) { 1981 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1982 tokenCount++; 1983 if (start >= text.length()) { 1984 break; 1985 } 1986 } 1987 return tokenCount; 1988 } 1989 1990 /** 1991 * Create the more chip. The more chip is text that replaces any chips that 1992 * do not fit in the pre-defined available space when the 1993 * RecipientEditTextView loses focus. 1994 */ 1995 // Visible for testing. 1996 /* package */ void createMoreChip() { 1997 if (mNoChips) { 1998 createMoreChipPlainText(); 1999 return; 2000 } 2001 2002 if (!mShouldShrink) { 2003 return; 2004 } 2005 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2006 if (tempMore.length > 0) { 2007 getSpannable().removeSpan(tempMore[0]); 2008 } 2009 DrawableRecipientChip[] recipients = getSortedRecipients(); 2010 2011 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2012 mMoreChip = null; 2013 return; 2014 } 2015 Spannable spannable = getSpannable(); 2016 int numRecipients = recipients.length; 2017 int overage = numRecipients - CHIP_LIMIT; 2018 MoreImageSpan moreSpan = createMoreSpan(overage); 2019 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2020 int totalReplaceStart = 0; 2021 int totalReplaceEnd = 0; 2022 Editable text = getText(); 2023 for (int i = numRecipients - overage; i < recipients.length; i++) { 2024 mRemovedSpans.add(recipients[i]); 2025 if (i == numRecipients - overage) { 2026 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2027 } 2028 if (i == recipients.length - 1) { 2029 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2030 } 2031 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2032 int spanStart = spannable.getSpanStart(recipients[i]); 2033 int spanEnd = spannable.getSpanEnd(recipients[i]); 2034 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2035 } 2036 spannable.removeSpan(recipients[i]); 2037 } 2038 if (totalReplaceEnd < text.length()) { 2039 totalReplaceEnd = text.length(); 2040 } 2041 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2042 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2043 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2044 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2045 text.replace(start, end, chipText); 2046 mMoreChip = moreSpan; 2047 // If adding the +more chip goes over the limit, resize accordingly. 2048 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2049 setMaxLines(getLineCount()); 2050 } 2051 } 2052 2053 /** 2054 * Replace the more chip, if it exists, with all of the recipient chips it had 2055 * replaced when the RecipientEditTextView gains focus. 2056 */ 2057 // Visible for testing. 2058 /*package*/ void removeMoreChip() { 2059 if (mMoreChip != null) { 2060 Spannable span = getSpannable(); 2061 span.removeSpan(mMoreChip); 2062 mMoreChip = null; 2063 // Re-add the spans that were removed. 2064 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2065 // Recreate each removed span. 2066 DrawableRecipientChip[] recipients = getSortedRecipients(); 2067 // Start the search for tokens after the last currently visible 2068 // chip. 2069 if (recipients == null || recipients.length == 0) { 2070 return; 2071 } 2072 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2073 Editable editable = getText(); 2074 for (DrawableRecipientChip chip : mRemovedSpans) { 2075 int chipStart; 2076 int chipEnd; 2077 String token; 2078 // Need to find the location of the chip, again. 2079 token = (String) chip.getOriginalText(); 2080 // As we find the matching recipient for the remove spans, 2081 // reduce the size of the string we need to search. 2082 // That way, if there are duplicates, we always find the correct 2083 // recipient. 2084 chipStart = editable.toString().indexOf(token, end); 2085 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2086 // Only set the span if we found a matching token. 2087 if (chipStart != -1) { 2088 editable.setSpan(chip, chipStart, chipEnd, 2089 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2090 } 2091 } 2092 mRemovedSpans.clear(); 2093 } 2094 } 2095 } 2096 2097 /** 2098 * Show specified chip as selected. If the RecipientChip is just an email address, 2099 * selecting the chip will take the contents of the chip and place it at 2100 * the end of the RecipientEditTextView for inline editing. If the 2101 * RecipientChip is a complete contact, then selecting the chip 2102 * will change the background color of the chip, show the delete icon, 2103 * and a popup window with the address in use highlighted and any other 2104 * alternate addresses for the contact. 2105 * @param currentChip Chip to select. 2106 * @return A RecipientChip in the selected state or null if the chip 2107 * just contained an email address. 2108 */ 2109 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2110 if (shouldShowEditableText(currentChip)) { 2111 CharSequence text = currentChip.getValue(); 2112 Editable editable = getText(); 2113 Spannable spannable = getSpannable(); 2114 int spanStart = spannable.getSpanStart(currentChip); 2115 int spanEnd = spannable.getSpanEnd(currentChip); 2116 spannable.removeSpan(currentChip); 2117 editable.delete(spanStart, spanEnd); 2118 setCursorVisible(true); 2119 setSelection(editable.length()); 2120 editable.append(text); 2121 return constructChipSpan( 2122 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2123 true); 2124 } else { 2125 int start = getChipStart(currentChip); 2126 int end = getChipEnd(currentChip); 2127 getSpannable().removeSpan(currentChip); 2128 DrawableRecipientChip newChip; 2129 final boolean showAddress = 2130 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2131 getAdapter().forceShowAddress(); 2132 try { 2133 if (showAddress && mNoChips) { 2134 return null; 2135 } 2136 newChip = constructChipSpan(currentChip.getEntry(), true); 2137 } catch (NullPointerException e) { 2138 Log.e(TAG, e.getMessage(), e); 2139 return null; 2140 } 2141 Editable editable = getText(); 2142 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2143 if (start == -1 || end == -1) { 2144 Log.d(TAG, "The chip being selected no longer exists but should."); 2145 } else { 2146 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2147 } 2148 newChip.setSelected(true); 2149 if (shouldShowEditableText(newChip)) { 2150 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2151 } 2152 if (showAddress) { 2153 showAddress(newChip, mAddressPopup, getWidth()); 2154 } else { 2155 showAlternates(newChip, mAlternatesPopup, getWidth()); 2156 } 2157 setCursorVisible(false); 2158 return newChip; 2159 } 2160 } 2161 2162 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2163 long contactId = currentChip.getContactId(); 2164 return contactId == RecipientEntry.INVALID_CONTACT 2165 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2166 } 2167 2168 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2169 int width) { 2170 if (!mAttachedToWindow) { 2171 return; 2172 } 2173 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2174 int bottom = calculateOffsetFromBottom(line); 2175 // Align the alternates popup with the left side of the View, 2176 // regardless of the position of the chip tapped. 2177 popup.setWidth(width); 2178 popup.setAnchorView(this); 2179 popup.setVerticalOffset(bottom); 2180 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2181 popup.setOnItemClickListener(new OnItemClickListener() { 2182 @Override 2183 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2184 unselectChip(currentChip); 2185 popup.dismiss(); 2186 } 2187 }); 2188 popup.show(); 2189 ListView listView = popup.getListView(); 2190 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2191 listView.setItemChecked(0, true); 2192 } 2193 2194 /** 2195 * Remove selection from this chip. Unselecting a RecipientChip will render 2196 * the chip without a delete icon and with an unfocused background. This is 2197 * called when the RecipientChip no longer has focus. 2198 */ 2199 private void unselectChip(DrawableRecipientChip chip) { 2200 int start = getChipStart(chip); 2201 int end = getChipEnd(chip); 2202 Editable editable = getText(); 2203 mSelectedChip = null; 2204 if (start == -1 || end == -1) { 2205 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2206 setSelection(editable.length()); 2207 commitDefault(); 2208 } else { 2209 getSpannable().removeSpan(chip); 2210 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2211 editable.removeSpan(chip); 2212 try { 2213 if (!mNoChips) { 2214 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2215 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2216 } 2217 } catch (NullPointerException e) { 2218 Log.e(TAG, e.getMessage(), e); 2219 } 2220 } 2221 setCursorVisible(true); 2222 setSelection(editable.length()); 2223 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2224 mAlternatesPopup.dismiss(); 2225 } 2226 } 2227 2228 /** 2229 * Return whether a touch event was inside the delete target of 2230 * a selected chip. It is in the delete target if: 2231 * 1) the x and y points of the event are within the 2232 * delete assset. 2233 * 2) the point tapped would have caused a cursor to appear 2234 * right after the selected chip. 2235 * @return boolean 2236 */ 2237 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2238 // Figure out the bounds of this chip and whether or not 2239 // the user clicked in the X portion. 2240 // TODO: Should x and y be used, or removed? 2241 if (mDisableDelete) { 2242 return false; 2243 } 2244 2245 return chip.isSelected() && 2246 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2247 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2248 } 2249 2250 /** 2251 * Remove the chip and any text associated with it from the RecipientEditTextView. 2252 */ 2253 // Visible for testing. 2254 /* package */void removeChip(DrawableRecipientChip chip) { 2255 Spannable spannable = getSpannable(); 2256 int spanStart = spannable.getSpanStart(chip); 2257 int spanEnd = spannable.getSpanEnd(chip); 2258 Editable text = getText(); 2259 int toDelete = spanEnd; 2260 boolean wasSelected = chip == mSelectedChip; 2261 // Clear that there is a selected chip before updating any text. 2262 if (wasSelected) { 2263 mSelectedChip = null; 2264 } 2265 // Always remove trailing spaces when removing a chip. 2266 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2267 toDelete++; 2268 } 2269 spannable.removeSpan(chip); 2270 if (spanStart >= 0 && toDelete > 0) { 2271 text.delete(spanStart, toDelete); 2272 } 2273 if (wasSelected) { 2274 clearSelectedChip(); 2275 } 2276 } 2277 2278 /** 2279 * Replace this currently selected chip with a new chip 2280 * that uses the contact data provided. 2281 */ 2282 // Visible for testing. 2283 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2284 boolean wasSelected = chip == mSelectedChip; 2285 if (wasSelected) { 2286 mSelectedChip = null; 2287 } 2288 int start = getChipStart(chip); 2289 int end = getChipEnd(chip); 2290 getSpannable().removeSpan(chip); 2291 Editable editable = getText(); 2292 CharSequence chipText = createChip(entry, false); 2293 if (chipText != null) { 2294 if (start == -1 || end == -1) { 2295 Log.e(TAG, "The chip to replace does not exist but should."); 2296 editable.insert(0, chipText); 2297 } else { 2298 if (!TextUtils.isEmpty(chipText)) { 2299 // There may be a space to replace with this chip's new 2300 // associated space. Check for it 2301 int toReplace = end; 2302 while (toReplace >= 0 && toReplace < editable.length() 2303 && editable.charAt(toReplace) == ' ') { 2304 toReplace++; 2305 } 2306 editable.replace(start, toReplace, chipText); 2307 } 2308 } 2309 } 2310 setCursorVisible(true); 2311 if (wasSelected) { 2312 clearSelectedChip(); 2313 } 2314 } 2315 2316 /** 2317 * Handle click events for a chip. When a selected chip receives a click 2318 * event, see if that event was in the delete icon. If so, delete it. 2319 * Otherwise, unselect the chip. 2320 */ 2321 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2322 if (chip.isSelected()) { 2323 if (isInDelete(chip, offset, x, y)) { 2324 removeChip(chip); 2325 } else { 2326 clearSelectedChip(); 2327 } 2328 } 2329 } 2330 2331 private boolean chipsPending() { 2332 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2333 } 2334 2335 @Override 2336 public void removeTextChangedListener(TextWatcher watcher) { 2337 mTextWatcher = null; 2338 super.removeTextChangedListener(watcher); 2339 } 2340 2341 private boolean isValidEmailAddress(String input) { 2342 return !TextUtils.isEmpty(input) && mValidator != null && 2343 mValidator.isValid(input); 2344 } 2345 2346 private class RecipientTextWatcher implements TextWatcher { 2347 2348 @Override 2349 public void afterTextChanged(Editable s) { 2350 // If the text has been set to null or empty, make sure we remove 2351 // all the spans we applied. 2352 if (TextUtils.isEmpty(s)) { 2353 // Remove all the chips spans. 2354 Spannable spannable = getSpannable(); 2355 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2356 DrawableRecipientChip.class); 2357 for (DrawableRecipientChip chip : chips) { 2358 spannable.removeSpan(chip); 2359 } 2360 if (mMoreChip != null) { 2361 spannable.removeSpan(mMoreChip); 2362 } 2363 clearSelectedChip(); 2364 return; 2365 } 2366 // Get whether there are any recipients pending addition to the 2367 // view. If there are, don't do anything in the text watcher. 2368 if (chipsPending()) { 2369 return; 2370 } 2371 // If the user is editing a chip, don't clear it. 2372 if (mSelectedChip != null) { 2373 if (!isGeneratedContact(mSelectedChip)) { 2374 setCursorVisible(true); 2375 setSelection(getText().length()); 2376 clearSelectedChip(); 2377 } else { 2378 return; 2379 } 2380 } 2381 int length = s.length(); 2382 // Make sure there is content there to parse and that it is 2383 // not just the commit character. 2384 if (length > 1) { 2385 if (lastCharacterIsCommitCharacter(s)) { 2386 commitByCharacter(); 2387 return; 2388 } 2389 char last; 2390 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2391 int len = length() - 1; 2392 if (end != len) { 2393 last = s.charAt(end); 2394 } else { 2395 last = s.charAt(len); 2396 } 2397 if (last == COMMIT_CHAR_SPACE) { 2398 if (!isPhoneQuery()) { 2399 // Check if this is a valid email address. If it is, 2400 // commit it. 2401 String text = getText().toString(); 2402 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2403 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2404 tokenStart)); 2405 if (isValidEmailAddress(sub)) { 2406 commitByCharacter(); 2407 } 2408 } 2409 } 2410 } 2411 } 2412 2413 @Override 2414 public void onTextChanged(CharSequence s, int start, int before, int count) { 2415 // The user deleted some text OR some text was replaced; check to 2416 // see if the insertion point is on a space 2417 // following a chip. 2418 if (before - count == 1) { 2419 // If the item deleted is a space, and the thing before the 2420 // space is a chip, delete the entire span. 2421 int selStart = getSelectionStart(); 2422 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2423 DrawableRecipientChip.class); 2424 if (repl.length > 0) { 2425 // There is a chip there! Just remove it. 2426 Editable editable = getText(); 2427 // Add the separator token. 2428 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2429 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2430 tokenEnd = tokenEnd + 1; 2431 if (tokenEnd > editable.length()) { 2432 tokenEnd = editable.length(); 2433 } 2434 editable.delete(tokenStart, tokenEnd); 2435 getSpannable().removeSpan(repl[0]); 2436 } 2437 } else if (count > before) { 2438 if (mSelectedChip != null 2439 && isGeneratedContact(mSelectedChip)) { 2440 if (lastCharacterIsCommitCharacter(s)) { 2441 commitByCharacter(); 2442 return; 2443 } 2444 } 2445 } 2446 } 2447 2448 @Override 2449 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2450 // Do nothing. 2451 } 2452 } 2453 2454 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2455 char last; 2456 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2457 int len = length() - 1; 2458 if (end != len) { 2459 last = s.charAt(end); 2460 } else { 2461 last = s.charAt(len); 2462 } 2463 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2464 } 2465 2466 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2467 long contactId = chip.getContactId(); 2468 return contactId == RecipientEntry.INVALID_CONTACT 2469 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2470 } 2471 2472 /** 2473 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2474 */ 2475 private void handlePasteClip(ClipData clip) { 2476 removeTextChangedListener(mTextWatcher); 2477 2478 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2479 for (int i = 0; i < clip.getItemCount(); i++) { 2480 CharSequence paste = clip.getItemAt(i).getText(); 2481 if (paste != null) { 2482 int start = getSelectionStart(); 2483 int end = getSelectionEnd(); 2484 Editable editable = getText(); 2485 if (start >= 0 && end >= 0 && start != end) { 2486 editable.append(paste, start, end); 2487 } else { 2488 editable.insert(end, paste); 2489 } 2490 handlePasteAndReplace(); 2491 } 2492 } 2493 } 2494 2495 mHandler.post(mAddTextWatcher); 2496 } 2497 2498 @Override 2499 public boolean onTextContextMenuItem(int id) { 2500 if (id == android.R.id.paste) { 2501 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2502 Context.CLIPBOARD_SERVICE); 2503 handlePasteClip(clipboard.getPrimaryClip()); 2504 return true; 2505 } 2506 return super.onTextContextMenuItem(id); 2507 } 2508 2509 private void handlePasteAndReplace() { 2510 ArrayList<DrawableRecipientChip> created = handlePaste(); 2511 if (created != null && created.size() > 0) { 2512 // Perform reverse lookups on the pasted contacts. 2513 IndividualReplacementTask replace = new IndividualReplacementTask(); 2514 replace.execute(created); 2515 } 2516 } 2517 2518 // Visible for testing. 2519 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2520 String text = getText().toString(); 2521 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2522 String lastAddress = text.substring(originalTokenStart); 2523 int tokenStart = originalTokenStart; 2524 int prevTokenStart = 0; 2525 DrawableRecipientChip findChip = null; 2526 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2527 if (tokenStart != 0) { 2528 // There are things before this! 2529 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2530 prevTokenStart = tokenStart; 2531 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2532 findChip = findChip(tokenStart); 2533 if (tokenStart == originalTokenStart && findChip == null) { 2534 break; 2535 } 2536 } 2537 if (tokenStart != originalTokenStart) { 2538 if (findChip != null) { 2539 tokenStart = prevTokenStart; 2540 } 2541 int tokenEnd; 2542 DrawableRecipientChip createdChip; 2543 while (tokenStart < originalTokenStart) { 2544 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2545 tokenStart)); 2546 commitChip(tokenStart, tokenEnd, getText()); 2547 createdChip = findChip(tokenStart); 2548 if (createdChip == null) { 2549 break; 2550 } 2551 // +1 for the space at the end. 2552 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2553 created.add(createdChip); 2554 } 2555 } 2556 } 2557 // Take a look at the last token. If the token has been completed with a 2558 // commit character, create a chip. 2559 if (isCompletedToken(lastAddress)) { 2560 Editable editable = getText(); 2561 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2562 commitChip(tokenStart, editable.length(), editable); 2563 created.add(findChip(tokenStart)); 2564 } 2565 return created; 2566 } 2567 2568 // Visible for testing. 2569 /* package */int movePastTerminators(int tokenEnd) { 2570 if (tokenEnd >= length()) { 2571 return tokenEnd; 2572 } 2573 char atEnd = getText().toString().charAt(tokenEnd); 2574 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2575 tokenEnd++; 2576 } 2577 // This token had not only an end token character, but also a space 2578 // separating it from the next token. 2579 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2580 tokenEnd++; 2581 } 2582 return tokenEnd; 2583 } 2584 2585 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2586 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2587 try { 2588 if (mNoChips) { 2589 return null; 2590 } 2591 return constructChipSpan(entry, false); 2592 } catch (NullPointerException e) { 2593 Log.e(TAG, e.getMessage(), e); 2594 return null; 2595 } 2596 } 2597 2598 @Override 2599 protected void onPreExecute() { 2600 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2601 // replaced 2602 final List<DrawableRecipientChip> originalRecipients = 2603 new ArrayList<DrawableRecipientChip>(); 2604 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2605 for (int i = 0; i < existingChips.length; i++) { 2606 originalRecipients.add(existingChips[i]); 2607 } 2608 if (mRemovedSpans != null) { 2609 originalRecipients.addAll(mRemovedSpans); 2610 } 2611 2612 final List<DrawableRecipientChip> replacements = 2613 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2614 2615 for (final DrawableRecipientChip chip : originalRecipients) { 2616 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2617 && getSpannable().getSpanStart(chip) != -1) { 2618 replacements.add(createFreeChip(chip.getEntry())); 2619 } else { 2620 replacements.add(null); 2621 } 2622 } 2623 2624 processReplacements(originalRecipients, replacements); 2625 } 2626 2627 @Override 2628 protected Void doInBackground(Void... params) { 2629 if (mIndividualReplacements != null) { 2630 mIndividualReplacements.cancel(true); 2631 } 2632 // For each chip in the list, look up the matching contact. 2633 // If there is a match, replace that chip with the matching 2634 // chip. 2635 final ArrayList<DrawableRecipientChip> recipients = 2636 new ArrayList<DrawableRecipientChip>(); 2637 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2638 for (int i = 0; i < existingChips.length; i++) { 2639 recipients.add(existingChips[i]); 2640 } 2641 if (mRemovedSpans != null) { 2642 recipients.addAll(mRemovedSpans); 2643 } 2644 ArrayList<String> addresses = new ArrayList<String>(); 2645 DrawableRecipientChip chip; 2646 for (int i = 0; i < recipients.size(); i++) { 2647 chip = recipients.get(i); 2648 if (chip != null) { 2649 addresses.add(createAddressText(chip.getEntry())); 2650 } 2651 } 2652 final BaseRecipientAdapter adapter = getAdapter(); 2653 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2654 @Override 2655 public void matchesFound(Map<String, RecipientEntry> entries) { 2656 final ArrayList<DrawableRecipientChip> replacements = 2657 new ArrayList<DrawableRecipientChip>(); 2658 for (final DrawableRecipientChip temp : recipients) { 2659 RecipientEntry entry = null; 2660 if (temp != null && RecipientEntry.isCreatedRecipient( 2661 temp.getEntry().getContactId()) 2662 && getSpannable().getSpanStart(temp) != -1) { 2663 // Replace this. 2664 entry = createValidatedEntry( 2665 entries.get(tokenizeAddress(temp.getEntry() 2666 .getDestination()))); 2667 } 2668 if (entry != null) { 2669 replacements.add(createFreeChip(entry)); 2670 } else { 2671 replacements.add(null); 2672 } 2673 } 2674 processReplacements(recipients, replacements); 2675 } 2676 2677 @Override 2678 public void matchesNotFound(final Set<String> unfoundAddresses) { 2679 final List<DrawableRecipientChip> replacements = 2680 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2681 2682 for (final DrawableRecipientChip temp : recipients) { 2683 if (temp != null && RecipientEntry.isCreatedRecipient( 2684 temp.getEntry().getContactId()) 2685 && getSpannable().getSpanStart(temp) != -1) { 2686 if (unfoundAddresses.contains( 2687 temp.getEntry().getDestination())) { 2688 replacements.add(createFreeChip(temp.getEntry())); 2689 } else { 2690 replacements.add(null); 2691 } 2692 } else { 2693 replacements.add(null); 2694 } 2695 } 2696 2697 processReplacements(recipients, replacements); 2698 } 2699 }); 2700 return null; 2701 } 2702 2703 private void processReplacements(final List<DrawableRecipientChip> recipients, 2704 final List<DrawableRecipientChip> replacements) { 2705 if (replacements != null && replacements.size() > 0) { 2706 final Runnable runnable = new Runnable() { 2707 @Override 2708 public void run() { 2709 final Editable text = new SpannableStringBuilder(getText()); 2710 int i = 0; 2711 for (final DrawableRecipientChip chip : recipients) { 2712 final DrawableRecipientChip replacement = replacements.get(i); 2713 if (replacement != null) { 2714 final RecipientEntry oldEntry = chip.getEntry(); 2715 final RecipientEntry newEntry = replacement.getEntry(); 2716 final boolean isBetter = 2717 RecipientAlternatesAdapter.getBetterRecipient( 2718 oldEntry, newEntry) == newEntry; 2719 2720 if (isBetter) { 2721 // Find the location of the chip in the text currently shown. 2722 final int start = text.getSpanStart(chip); 2723 if (start != -1) { 2724 // Replacing the entirety of what the chip represented, 2725 // including the extra space dividing it from other chips. 2726 final int end = 2727 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2728 text.removeSpan(chip); 2729 // Make sure we always have just 1 space at the end to 2730 // separate this chip from the next chip. 2731 final SpannableString displayText = 2732 new SpannableString(createAddressText( 2733 replacement.getEntry()).trim() + " "); 2734 displayText.setSpan(replacement, 0, 2735 displayText.length() - 1, 2736 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2737 // Replace the old text we found with with the new display 2738 // text, which now may also contain the display name of the 2739 // recipient. 2740 text.replace(start, end, displayText); 2741 replacement.setOriginalText(displayText.toString()); 2742 replacements.set(i, null); 2743 2744 recipients.set(i, replacement); 2745 } 2746 } 2747 } 2748 i++; 2749 } 2750 setText(text); 2751 } 2752 }; 2753 2754 if (Looper.myLooper() == Looper.getMainLooper()) { 2755 runnable.run(); 2756 } else { 2757 mHandler.post(runnable); 2758 } 2759 } 2760 } 2761 } 2762 2763 private class IndividualReplacementTask 2764 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2765 @Override 2766 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2767 // For each chip in the list, look up the matching contact. 2768 // If there is a match, replace that chip with the matching 2769 // chip. 2770 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2771 ArrayList<String> addresses = new ArrayList<String>(); 2772 DrawableRecipientChip chip; 2773 for (int i = 0; i < originalRecipients.size(); i++) { 2774 chip = originalRecipients.get(i); 2775 if (chip != null) { 2776 addresses.add(createAddressText(chip.getEntry())); 2777 } 2778 } 2779 final BaseRecipientAdapter adapter = getAdapter(); 2780 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2781 2782 @Override 2783 public void matchesFound(Map<String, RecipientEntry> entries) { 2784 for (final DrawableRecipientChip temp : originalRecipients) { 2785 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2786 .getContactId()) 2787 && getSpannable().getSpanStart(temp) != -1) { 2788 // Replace this. 2789 final RecipientEntry entry = createValidatedEntry(entries 2790 .get(tokenizeAddress(temp.getEntry().getDestination()) 2791 .toLowerCase())); 2792 if (entry != null) { 2793 mHandler.post(new Runnable() { 2794 @Override 2795 public void run() { 2796 replaceChip(temp, entry); 2797 } 2798 }); 2799 } 2800 } 2801 } 2802 } 2803 2804 @Override 2805 public void matchesNotFound(final Set<String> unfoundAddresses) { 2806 // No action required 2807 } 2808 }); 2809 return null; 2810 } 2811 } 2812 2813 2814 /** 2815 * MoreImageSpan is a simple class created for tracking the existence of a 2816 * more chip across activity restarts/ 2817 */ 2818 private class MoreImageSpan extends ImageSpan { 2819 public MoreImageSpan(Drawable b) { 2820 super(b); 2821 } 2822 } 2823 2824 @Override 2825 public boolean onDown(MotionEvent e) { 2826 return false; 2827 } 2828 2829 @Override 2830 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2831 // Do nothing. 2832 return false; 2833 } 2834 2835 @Override 2836 public void onLongPress(MotionEvent event) { 2837 if (mSelectedChip != null) { 2838 return; 2839 } 2840 float x = event.getX(); 2841 float y = event.getY(); 2842 final int offset = putOffsetInRange(x, y); 2843 DrawableRecipientChip currentChip = findChip(offset); 2844 if (currentChip != null) { 2845 if (mDragEnabled) { 2846 // Start drag-and-drop for the selected chip. 2847 startDrag(currentChip); 2848 } else { 2849 // Copy the selected chip email address. 2850 showCopyDialog(currentChip.getEntry().getDestination()); 2851 } 2852 } 2853 } 2854 2855 // The following methods are used to provide some functionality on older versions of Android 2856 // These methods were copied out of JB MR2's TextView 2857 ///////////////////////////////////////////////// 2858 private int supportGetOffsetForPosition(float x, float y) { 2859 if (getLayout() == null) return -1; 2860 final int line = supportGetLineAtCoordinate(y); 2861 final int offset = supportGetOffsetAtCoordinate(line, x); 2862 return offset; 2863 } 2864 2865 private float supportConvertToLocalHorizontalCoordinate(float x) { 2866 x -= getTotalPaddingLeft(); 2867 // Clamp the position to inside of the view. 2868 x = Math.max(0.0f, x); 2869 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2870 x += getScrollX(); 2871 return x; 2872 } 2873 2874 private int supportGetLineAtCoordinate(float y) { 2875 y -= getTotalPaddingLeft(); 2876 // Clamp the position to inside of the view. 2877 y = Math.max(0.0f, y); 2878 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2879 y += getScrollY(); 2880 return getLayout().getLineForVertical((int) y); 2881 } 2882 2883 private int supportGetOffsetAtCoordinate(int line, float x) { 2884 x = supportConvertToLocalHorizontalCoordinate(x); 2885 return getLayout().getOffsetForHorizontal(line, x); 2886 } 2887 ///////////////////////////////////////////////// 2888 2889 /** 2890 * Enables drag-and-drop for chips. 2891 */ 2892 public void enableDrag() { 2893 mDragEnabled = true; 2894 } 2895 2896 /** 2897 * Starts drag-and-drop for the selected chip. 2898 */ 2899 private void startDrag(DrawableRecipientChip currentChip) { 2900 String address = currentChip.getEntry().getDestination(); 2901 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2902 2903 // Start drag mode. 2904 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2905 2906 // Remove the current chip, so drag-and-drop will result in a move. 2907 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2908 removeChip(currentChip); 2909 } 2910 2911 /** 2912 * Handles drag event. 2913 */ 2914 @Override 2915 public boolean onDragEvent(DragEvent event) { 2916 switch (event.getAction()) { 2917 case DragEvent.ACTION_DRAG_STARTED: 2918 // Only handle plain text drag and drop. 2919 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2920 case DragEvent.ACTION_DRAG_ENTERED: 2921 requestFocus(); 2922 return true; 2923 case DragEvent.ACTION_DROP: 2924 handlePasteClip(event.getClipData()); 2925 return true; 2926 } 2927 return false; 2928 } 2929 2930 /** 2931 * Drag shadow for a {@link DrawableRecipientChip}. 2932 */ 2933 private final class RecipientChipShadow extends DragShadowBuilder { 2934 private final DrawableRecipientChip mChip; 2935 2936 public RecipientChipShadow(DrawableRecipientChip chip) { 2937 mChip = chip; 2938 } 2939 2940 @Override 2941 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2942 Rect rect = mChip.getBounds(); 2943 shadowSize.set(rect.width(), rect.height()); 2944 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2945 } 2946 2947 @Override 2948 public void onDrawShadow(Canvas canvas) { 2949 mChip.draw(canvas); 2950 } 2951 } 2952 2953 private void showCopyDialog(final String address) { 2954 if (!mAttachedToWindow) { 2955 return; 2956 } 2957 mCopyAddress = address; 2958 mCopyDialog.setTitle(address); 2959 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2960 mCopyDialog.setCancelable(true); 2961 mCopyDialog.setCanceledOnTouchOutside(true); 2962 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2963 button.setOnClickListener(this); 2964 int btnTitleId; 2965 if (isPhoneQuery()) { 2966 btnTitleId = R.string.copy_number; 2967 } else { 2968 btnTitleId = R.string.copy_email; 2969 } 2970 String buttonTitle = getContext().getResources().getString(btnTitleId); 2971 button.setText(buttonTitle); 2972 mCopyDialog.setOnDismissListener(this); 2973 mCopyDialog.show(); 2974 } 2975 2976 @Override 2977 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2978 // Do nothing. 2979 return false; 2980 } 2981 2982 @Override 2983 public void onShowPress(MotionEvent e) { 2984 // Do nothing. 2985 } 2986 2987 @Override 2988 public boolean onSingleTapUp(MotionEvent e) { 2989 // Do nothing. 2990 return false; 2991 } 2992 2993 @Override 2994 public void onDismiss(DialogInterface dialog) { 2995 mCopyAddress = null; 2996 } 2997 2998 @Override 2999 public void onClick(View v) { 3000 // Copy this to the clipboard. 3001 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3002 Context.CLIPBOARD_SERVICE); 3003 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3004 mCopyDialog.dismiss(); 3005 } 3006 3007 protected boolean isPhoneQuery() { 3008 return getAdapter() != null 3009 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3010 } 3011 3012 @Override 3013 public BaseRecipientAdapter getAdapter() { 3014 return (BaseRecipientAdapter) super.getAdapter(); 3015 } 3016 3017 /** 3018 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3019 * unfinished text at the end. 3020 */ 3021 public void appendRecipientEntry(final RecipientEntry entry) { 3022 clearComposingText(); 3023 3024 final Editable editable = getText(); 3025 int chipInsertionPoint = 0; 3026 3027 // Find the end of last chip and see if there's any unchipified text. 3028 final DrawableRecipientChip[] recips = getSortedRecipients(); 3029 if (recips != null && recips.length > 0) { 3030 final DrawableRecipientChip last = recips[recips.length - 1]; 3031 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3032 // the insertion point will be kept untouched. 3033 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3034 } 3035 3036 final CharSequence chip = createChip(entry, false); 3037 if (chip != null) { 3038 editable.insert(chipInsertionPoint, chip); 3039 } 3040 } 3041 3042 private static class ChipBitmapContainer { 3043 Bitmap bitmap; 3044 // information used for positioning the loaded icon 3045 boolean loadIcon = true; 3046 float left; 3047 float top; 3048 float right; 3049 float bottom; 3050 } 3051} 3052