RecipientEditTextView.java revision cd980d9f73bfa02155f7bb092ae1fb212ed6e8e2
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.Canvas; 32import android.graphics.Matrix; 33import android.graphics.Paint; 34import android.graphics.Point; 35import android.graphics.Rect; 36import android.graphics.RectF; 37import android.graphics.drawable.BitmapDrawable; 38import android.graphics.drawable.Drawable; 39import android.os.AsyncTask; 40import android.os.Build; 41import android.os.Handler; 42import android.os.Looper; 43import android.os.Message; 44import android.os.Parcelable; 45import android.text.Editable; 46import android.text.InputType; 47import android.text.Layout; 48import android.text.Spannable; 49import android.text.SpannableString; 50import android.text.SpannableStringBuilder; 51import android.text.Spanned; 52import android.text.TextPaint; 53import android.text.TextUtils; 54import android.text.TextWatcher; 55import android.text.method.QwertyKeyListener; 56import android.text.style.ImageSpan; 57import android.text.util.Rfc822Token; 58import android.text.util.Rfc822Tokenizer; 59import android.util.AttributeSet; 60import android.util.Log; 61import android.util.TypedValue; 62import android.view.ActionMode; 63import android.view.ActionMode.Callback; 64import android.view.DragEvent; 65import android.view.GestureDetector; 66import android.view.KeyEvent; 67import android.view.LayoutInflater; 68import android.view.Menu; 69import android.view.MenuItem; 70import android.view.MotionEvent; 71import android.view.View; 72import android.view.View.OnClickListener; 73import android.view.ViewParent; 74import android.view.inputmethod.EditorInfo; 75import android.view.inputmethod.InputConnection; 76import android.widget.AdapterView; 77import android.widget.AdapterView.OnItemClickListener; 78import android.widget.Button; 79import android.widget.Filterable; 80import android.widget.ListAdapter; 81import android.widget.ListPopupWindow; 82import android.widget.ListView; 83import android.widget.MultiAutoCompleteTextView; 84import android.widget.ScrollView; 85import android.widget.TextView; 86 87import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 88import com.android.ex.chips.recipientchip.DrawableRecipientChip; 89import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 90import com.android.ex.chips.recipientchip.VisibleRecipientChip; 91 92import java.util.ArrayList; 93import java.util.Arrays; 94import java.util.Collections; 95import java.util.Comparator; 96import java.util.List; 97import java.util.Map; 98import java.util.Set; 99import java.util.regex.Matcher; 100import java.util.regex.Pattern; 101 102/** 103 * RecipientEditTextView is an auto complete text view for use with applications 104 * that use the new Chips UI for addressing a message to recipients. 105 */ 106public class RecipientEditTextView extends MultiAutoCompleteTextView implements 107 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 108 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 109 TextView.OnEditorActionListener { 110 111 private static final char COMMIT_CHAR_COMMA = ','; 112 113 private static final char COMMIT_CHAR_SEMICOLON = ';'; 114 115 private static final char COMMIT_CHAR_SPACE = ' '; 116 117 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 118 + String.valueOf(COMMIT_CHAR_SPACE); 119 120 private static final String TAG = "RecipientEditTextView"; 121 122 private static final int DISMISS = "dismiss".hashCode(); 123 124 private static final long DISMISS_DELAY = 300; 125 126 // TODO: get correct number/ algorithm from with UX. 127 // Visible for testing. 128 /*package*/ static final int CHIP_LIMIT = 2; 129 130 private static final int MAX_CHIPS_PARSED = 50; 131 132 private static int sSelectedTextColor = -1; 133 134 // Resources for displaying chips. 135 private Drawable mChipBackground = null; 136 137 private Drawable mChipDelete = null; 138 139 private Drawable mInvalidChipBackground; 140 141 private Drawable mChipBackgroundPressed; 142 143 private float mChipHeight; 144 145 private float mChipFontSize; 146 147 private float mLineSpacingExtra; 148 149 private int mChipPadding; 150 151 /** 152 * Enumerator for avatar position. See attr.xml for more details. 153 * 0 for end, 1 for start. 154 */ 155 private int mAvatarPosition; 156 157 private static final int AVATAR_POSITION_END = 0; 158 159 private static final int AVATAR_POSITION_START = 1; 160 161 /** 162 * Enumerator for image span alignment. See attr.xml for more details. 163 * 0 for bottom, 1 for baseline. 164 */ 165 private int mImageSpanAlignment; 166 167 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 168 169 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 170 171 172 private boolean mDisableDelete; 173 174 private Tokenizer mTokenizer; 175 176 private Validator mValidator; 177 178 private DrawableRecipientChip mSelectedChip; 179 180 private Bitmap mDefaultContactPhoto; 181 182 private ImageSpan mMoreChip; 183 184 private TextView mMoreItem; 185 186 // VisibleForTesting 187 final ArrayList<String> mPendingChips = new ArrayList<String>(); 188 189 private Handler mHandler; 190 191 private int mPendingChipsCount = 0; 192 193 private boolean mNoChips = false; 194 195 private ListPopupWindow mAlternatesPopup; 196 197 private ListPopupWindow mAddressPopup; 198 199 // VisibleForTesting 200 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 201 202 private ArrayList<DrawableRecipientChip> mRemovedSpans; 203 204 private boolean mShouldShrink = true; 205 206 // Chip copy fields. 207 private GestureDetector mGestureDetector; 208 209 private Dialog mCopyDialog; 210 211 private String mCopyAddress; 212 213 /** 214 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 215 * selected chip. 216 */ 217 private OnItemClickListener mAlternatesListener; 218 219 private int mCheckedItem; 220 221 private TextWatcher mTextWatcher; 222 223 // Obtain the enclosing scroll view, if it exists, so that the view can be 224 // scrolled to show the last line of chips content. 225 private ScrollView mScrollView; 226 227 private boolean mTriedGettingScrollView; 228 229 private boolean mDragEnabled = false; 230 231 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 232 // parens, so numbers such as "1 (425) 222-2342" match. 233 private static final Pattern PHONE_PATTERN 234 = Pattern.compile( // sdd = space, dot, or dash 235 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 236 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 237 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 238 239 private final Runnable mAddTextWatcher = new Runnable() { 240 @Override 241 public void run() { 242 if (mTextWatcher == null) { 243 mTextWatcher = new RecipientTextWatcher(); 244 addTextChangedListener(mTextWatcher); 245 } 246 } 247 }; 248 249 private IndividualReplacementTask mIndividualReplacements; 250 251 private Runnable mHandlePendingChips = new Runnable() { 252 253 @Override 254 public void run() { 255 handlePendingChips(); 256 } 257 258 }; 259 260 private Runnable mDelayedShrink = new Runnable() { 261 262 @Override 263 public void run() { 264 shrink(); 265 } 266 267 }; 268 269 private int mMaxLines; 270 271 private static int sExcessTopPadding = -1; 272 273 private int mActionBarHeight; 274 275 private boolean mAttachedToWindow; 276 277 private DropdownChipLayouter mDropdownChipLayouter; 278 279 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 280 281 public interface RecipientEntryItemClickedListener { 282 /** 283 * Callback that occurs whenever an auto-complete suggestion is clicked. 284 * @param charactersTyped the number of characters typed by the user to provide the 285 * auto-complete suggestions. 286 * @param position the position in the dropdown list that the user clicked 287 */ 288 void onRecipientEntryItemClicked(int charactersTyped, int position); 289 } 290 291 public RecipientEditTextView(Context context, AttributeSet attrs) { 292 super(context, attrs); 293 setChipDimensions(context, attrs); 294 if (sSelectedTextColor == -1) { 295 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 296 } 297 mAlternatesPopup = new ListPopupWindow(context); 298 mAddressPopup = new ListPopupWindow(context); 299 mCopyDialog = new Dialog(context); 300 mAlternatesListener = new OnItemClickListener() { 301 @Override 302 public void onItemClick(AdapterView<?> adapterView,View view, int position, 303 long rowId) { 304 mAlternatesPopup.setOnItemClickListener(null); 305 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 306 .getRecipientEntry(position)); 307 Message delayed = Message.obtain(mHandler, DISMISS); 308 delayed.obj = mAlternatesPopup; 309 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 310 clearComposingText(); 311 } 312 }; 313 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 314 setOnItemClickListener(this); 315 setCustomSelectionActionModeCallback(this); 316 mHandler = new Handler() { 317 @Override 318 public void handleMessage(Message msg) { 319 if (msg.what == DISMISS) { 320 ((ListPopupWindow) msg.obj).dismiss(); 321 return; 322 } 323 super.handleMessage(msg); 324 } 325 }; 326 mTextWatcher = new RecipientTextWatcher(); 327 addTextChangedListener(mTextWatcher); 328 mGestureDetector = new GestureDetector(context, this); 329 setOnEditorActionListener(this); 330 331 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 332 } 333 334 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 335 mDropdownChipLayouter = dropdownChipLayouter; 336 } 337 338 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 339 mRecipientEntryItemClickedListener = listener; 340 } 341 342 @Override 343 protected void onDetachedFromWindow() { 344 super.onDetachedFromWindow(); 345 mAttachedToWindow = false; 346 } 347 348 @Override 349 protected void onAttachedToWindow() { 350 super.onAttachedToWindow(); 351 mAttachedToWindow = true; 352 } 353 354 @Override 355 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 356 if (action == EditorInfo.IME_ACTION_DONE) { 357 if (commitDefault()) { 358 return true; 359 } 360 if (mSelectedChip != null) { 361 clearSelectedChip(); 362 return true; 363 } else if (focusNext()) { 364 return true; 365 } 366 } 367 return false; 368 } 369 370 @Override 371 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 372 InputConnection connection = super.onCreateInputConnection(outAttrs); 373 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 374 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 375 // clear the existing action 376 outAttrs.imeOptions ^= imeActions; 377 // set the DONE action 378 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 379 } 380 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 381 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 382 } 383 384 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 385 outAttrs.actionLabel = getContext().getString(R.string.done); 386 return connection; 387 } 388 389 /*package*/ DrawableRecipientChip getLastChip() { 390 DrawableRecipientChip last = null; 391 DrawableRecipientChip[] chips = getSortedRecipients(); 392 if (chips != null && chips.length > 0) { 393 last = chips[chips.length - 1]; 394 } 395 return last; 396 } 397 398 /** 399 * @return The list of {@link RecipientEntry}s that have been selected by the user. 400 */ 401 public List<RecipientEntry> getSelectedRecipients() { 402 DrawableRecipientChip[] chips = 403 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 404 List<RecipientEntry> results = new ArrayList(); 405 if (chips == null) { 406 return results; 407 } 408 409 for (DrawableRecipientChip c : chips) { 410 results.add(c.getEntry()); 411 } 412 413 return results; 414 } 415 416 @Override 417 public void onSelectionChanged(int start, int end) { 418 // When selection changes, see if it is inside the chips area. 419 // If so, move the cursor back after the chips again. 420 DrawableRecipientChip last = getLastChip(); 421 if (last != null && start < getSpannable().getSpanEnd(last)) { 422 // Grab the last chip and set the cursor to after it. 423 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 424 } 425 super.onSelectionChanged(start, end); 426 } 427 428 @Override 429 public void onRestoreInstanceState(Parcelable state) { 430 if (!TextUtils.isEmpty(getText())) { 431 super.onRestoreInstanceState(null); 432 } else { 433 super.onRestoreInstanceState(state); 434 } 435 } 436 437 @Override 438 public Parcelable onSaveInstanceState() { 439 // If the user changes orientation while they are editing, just roll back the selection. 440 clearSelectedChip(); 441 return super.onSaveInstanceState(); 442 } 443 444 /** 445 * Convenience method: Append the specified text slice to the TextView's 446 * display buffer, upgrading it to BufferType.EDITABLE if it was 447 * not already editable. Commas are excluded as they are added automatically 448 * by the view. 449 */ 450 @Override 451 public void append(CharSequence text, int start, int end) { 452 // We don't care about watching text changes while appending. 453 if (mTextWatcher != null) { 454 removeTextChangedListener(mTextWatcher); 455 } 456 super.append(text, start, end); 457 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 458 String displayString = text.toString(); 459 460 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 461 // We have no separator, so we should add it 462 super.append(SEPARATOR, 0, SEPARATOR.length()); 463 displayString += SEPARATOR; 464 } 465 466 if (!TextUtils.isEmpty(displayString) 467 && TextUtils.getTrimmedLength(displayString) > 0) { 468 mPendingChipsCount++; 469 mPendingChips.add(displayString); 470 } 471 } 472 // Put a message on the queue to make sure we ALWAYS handle pending 473 // chips. 474 if (mPendingChipsCount > 0) { 475 postHandlePendingChips(); 476 } 477 mHandler.post(mAddTextWatcher); 478 } 479 480 @Override 481 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 482 super.onFocusChanged(hasFocus, direction, previous); 483 if (!hasFocus) { 484 shrink(); 485 } else { 486 expand(); 487 } 488 } 489 490 private int getExcessTopPadding() { 491 if (sExcessTopPadding == -1) { 492 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 493 } 494 return sExcessTopPadding; 495 } 496 497 @Override 498 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 499 super.setAdapter(adapter); 500 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 501 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 502 @Override 503 public void onChanged(List<RecipientEntry> entries) { 504 // Scroll the chips field to the top of the screen so 505 // that the user can see as many results as possible. 506 if (entries != null && entries.size() > 0) { 507 scrollBottomIntoView(); 508 } 509 } 510 }); 511 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 512 } 513 514 protected void scrollBottomIntoView() { 515 if (mScrollView != null && mShouldShrink) { 516 int[] location = new int[2]; 517 getLocationOnScreen(location); 518 int height = getHeight(); 519 int currentPos = location[1] + height; 520 // Desired position shows at least 1 line of chips below the action 521 // bar. We add excess padding to make sure this is always below other 522 // content. 523 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 524 if (currentPos > desiredPos) { 525 mScrollView.scrollBy(0, currentPos - desiredPos); 526 } 527 } 528 } 529 530 protected ScrollView getScrollView() { 531 return mScrollView; 532 } 533 534 @Override 535 public void performValidation() { 536 // Do nothing. Chips handles its own validation. 537 } 538 539 private void shrink() { 540 if (mTokenizer == null) { 541 return; 542 } 543 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 544 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 545 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 546 clearSelectedChip(); 547 } else { 548 if (getWidth() <= 0) { 549 // We don't have the width yet which means the view hasn't been drawn yet 550 // and there is no reason to attempt to commit chips yet. 551 // This focus lost must be the result of an orientation change 552 // or an initial rendering. 553 // Re-post the shrink for later. 554 mHandler.removeCallbacks(mDelayedShrink); 555 mHandler.post(mDelayedShrink); 556 return; 557 } 558 // Reset any pending chips as they would have been handled 559 // when the field lost focus. 560 if (mPendingChipsCount > 0) { 561 postHandlePendingChips(); 562 } else { 563 Editable editable = getText(); 564 int end = getSelectionEnd(); 565 int start = mTokenizer.findTokenStart(editable, end); 566 DrawableRecipientChip[] chips = 567 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 568 if ((chips == null || chips.length == 0)) { 569 Editable text = getText(); 570 int whatEnd = mTokenizer.findTokenEnd(text, start); 571 // This token was already tokenized, so skip past the ending token. 572 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 573 whatEnd = movePastTerminators(whatEnd); 574 } 575 // In the middle of chip; treat this as an edit 576 // and commit the whole token. 577 int selEnd = getSelectionEnd(); 578 if (whatEnd != selEnd) { 579 handleEdit(start, whatEnd); 580 } else { 581 commitChip(start, end, editable); 582 } 583 } 584 } 585 mHandler.post(mAddTextWatcher); 586 } 587 createMoreChip(); 588 } 589 590 private void expand() { 591 if (mShouldShrink) { 592 setMaxLines(Integer.MAX_VALUE); 593 } 594 removeMoreChip(); 595 setCursorVisible(true); 596 Editable text = getText(); 597 setSelection(text != null && text.length() > 0 ? text.length() : 0); 598 // If there are any temporary chips, try replacing them now that the user 599 // has expanded the field. 600 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 601 new RecipientReplacementTask().execute(); 602 mTemporaryRecipients = null; 603 } 604 } 605 606 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 607 paint.setTextSize(mChipFontSize); 608 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 609 Log.d(TAG, "Max width is negative: " + maxWidth); 610 } 611 return TextUtils.ellipsize(text, paint, maxWidth, 612 TextUtils.TruncateAt.END); 613 } 614 615 /** 616 * Creates a bitmap of the given contact on a selected chip. 617 * 618 * @param contact The recipient entry to pull data from. 619 * @param paint The paint to use to draw the bitmap. 620 */ 621 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 622 paint.setColor(sSelectedTextColor); 623 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 624 mChipBackgroundPressed); 625 626 if (bitmapContainer.loadIcon) { 627 if (mDisableDelete) { 628 // Show the avatar instead if we don't want to delete 629 loadAvatarIcon(contact, bitmapContainer, paint); 630 } else { 631 drawIcon(bitmapContainer, ((BitmapDrawable) mChipDelete).getBitmap(), paint); 632 } 633 } 634 635 return bitmapContainer.bitmap; 636 } 637 638 /** 639 * Creates a bitmap of the given contact on a selected chip. 640 * 641 * @param contact The recipient entry to pull data from. 642 * @param paint The paint to use to draw the bitmap. 643 */ 644 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 645 Drawable background = getChipBackground(contact); 646 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 647 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, background); 648 649 if (bitmapContainer.loadIcon) { 650 loadAvatarIcon(contact, bitmapContainer, paint); 651 } 652 return bitmapContainer.bitmap; 653 } 654 655 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 656 Drawable background) { 657 final ChipBitmapContainer result = new ChipBitmapContainer(); 658 659 if (background == null) { 660 Log.w(TAG, "Unable to draw a background for the chip as it was never set"); 661 result.bitmap = Bitmap.createBitmap( 662 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 663 result.loadIcon = false; 664 return result; 665 } 666 667 Rect backgroundPadding = new Rect(); 668 background.getPadding(backgroundPadding); 669 670 // Ellipsize the text so that it takes AT MOST the entire width of the 671 // autocomplete text entry area. Make sure to leave space for padding 672 // on the sides. 673 int height = (int) mChipHeight; 674 // Since the icon is a square, it's width is equal to the maximum height it can be inside 675 // the chip. 676 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 677 float[] widths = new float[1]; 678 paint.getTextWidths(" ", widths); 679 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 680 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 681 - backgroundPadding.right);; 682 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 683 684 // Make sure there is a minimum chip width so the user can ALWAYS 685 // tap a chip without difficulty. 686 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 687 + backgroundPadding.left + backgroundPadding.right); 688 689 // Create the background of the chip. 690 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 691 final Canvas canvas = new Canvas(result.bitmap); 692 693 // Draw the background drawable 694 background.setBounds(0, 0, width, height); 695 background.draw(canvas); 696 // Draw the text vertically aligned 697 int textX = shouldPositionAvatarOnRight() ? 698 mChipPadding + backgroundPadding.left : 699 width - backgroundPadding.right - mChipPadding - textWidth; 700 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 701 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 702 703 // Set the variables that are needed to draw the icon bitmap once it's loaded 704 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 705 backgroundPadding.left; 706 result.left = iconX; 707 result.top = backgroundPadding.top; 708 result.right = iconX + iconWidth; 709 result.bottom = height - backgroundPadding.bottom; 710 711 return result; 712 } 713 714 /** 715 * Helper function that draws the loaded icon bitmap into the chips bitmap 716 */ 717 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon, Paint paint) { 718 final Canvas canvas = new Canvas(bitMapResult.bitmap); 719 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 720 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 721 bitMapResult.bottom); 722 drawIconOnCanvas(icon, canvas, paint, src, dst); 723 } 724 725 /** 726 * Returns true if the avatar should be positioned at the right edge of the chip. 727 * Takes into account both the set avatar position (start or end) as well as whether 728 * the layout direction is LTR or RTL. 729 */ 730 private boolean shouldPositionAvatarOnRight() { 731 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 732 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 733 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 734 // If in Rtl mode, the position should be flipped. 735 return isRtl ? !assignedPosition : assignedPosition; 736 } 737 738 /** 739 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 740 * draw an icon for this recipient. 741 */ 742 private void loadAvatarIcon(final RecipientEntry contact, 743 final ChipBitmapContainer bitmapContainer, final Paint paint) { 744 // Don't draw photos for recipients that have been typed in OR generated on the fly. 745 long contactId = contact.getContactId(); 746 boolean drawPhotos = isPhoneQuery() ? 747 contactId != RecipientEntry.INVALID_CONTACT 748 : (contactId != RecipientEntry.INVALID_CONTACT 749 && (contactId != RecipientEntry.GENERATED_CONTACT && 750 !TextUtils.isEmpty(contact.getDisplayName()))); 751 752 if (drawPhotos) { 753 final byte[] origPhotoBytes = contact.getPhotoBytes(); 754 // There may not be a photo yet if anything but the first contact address 755 // was selected. 756 if (origPhotoBytes == null) { 757 // TODO: cache this in the recipient entry? 758 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 759 @Override 760 public void onPhotoBytesAsynchronouslyPopulated() { 761 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 762 final Bitmap icon; 763 if (loadedPhotoBytes != null) { 764 icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 765 loadedPhotoBytes.length); 766 } else { 767 // TODO: can the scaled down default photo be cached? 768 icon = mDefaultContactPhoto; 769 } 770 // This is called on the main thread so we can draw the icon here 771 drawIcon(bitmapContainer, icon, paint); 772 // The view might not redraw itself since it's loaded in the background 773 invalidate(); 774 } 775 }); 776 } else { 777 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 778 origPhotoBytes.length); 779 drawIcon(bitmapContainer, icon, paint); 780 } 781 } 782 } 783 784 /** 785 * Get the background drawable for a RecipientChip. 786 */ 787 // Visible for testing. 788 /* package */Drawable getChipBackground(RecipientEntry contact) { 789 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 790 } 791 792 /** 793 * Given a height, returns a Y offset that will draw the text in the middle of the height. 794 */ 795 protected float getTextYOffset(String text, TextPaint paint, int height) { 796 Rect bounds = new Rect(); 797 paint.getTextBounds(text, 0, text.length(), bounds); 798 int textHeight = bounds.bottom - bounds.top ; 799 return height - ((height - textHeight) / 2) - (int)paint.descent(); 800 } 801 802 /** 803 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 804 * rectangle of the canvas. 805 */ 806 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 807 Matrix matrix = new Matrix(); 808 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 809 canvas.drawBitmap(icon, matrix, paint); 810 } 811 812 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 813 throws NullPointerException { 814 if (mChipBackground == null) { 815 throw new NullPointerException( 816 "Unable to render any chips as setChipDimensions was not called."); 817 } 818 819 TextPaint paint = getPaint(); 820 float defaultSize = paint.getTextSize(); 821 int defaultColor = paint.getColor(); 822 823 Bitmap tmpBitmap; 824 if (pressed) { 825 tmpBitmap = createSelectedChip(contact, paint); 826 827 } else { 828 tmpBitmap = createUnselectedChip(contact, paint); 829 } 830 831 // Pass the full text, un-ellipsized, to the chip. 832 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 833 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 834 DrawableRecipientChip recipientChip = 835 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 836 // Return text to the original size. 837 paint.setTextSize(defaultSize); 838 paint.setColor(defaultColor); 839 return recipientChip; 840 } 841 842 private int getImageSpanAlignment() { 843 switch (mImageSpanAlignment) { 844 case IMAGE_SPAN_ALIGNMENT_BASELINE: 845 return ImageSpan.ALIGN_BASELINE; 846 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 847 return ImageSpan.ALIGN_BOTTOM; 848 default: 849 return ImageSpan.ALIGN_BOTTOM; 850 } 851 } 852 853 /** 854 * Calculate the bottom of the line the chip will be located on using: 855 * 1) which line the chip appears on 856 * 2) the height of a chip 857 * 3) padding built into the edit text view 858 */ 859 private int calculateOffsetFromBottom(int line) { 860 // Line offsets start at zero. 861 int actualLine = getLineCount() - (line + 1); 862 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 863 + getDropDownVerticalOffset(); 864 } 865 866 /** 867 * Get the max amount of space a chip can take up. The formula takes into 868 * account the width of the EditTextView, any view padding, and padding 869 * that will be added to the chip. 870 */ 871 private float calculateAvailableWidth() { 872 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 873 } 874 875 876 private void setChipDimensions(Context context, AttributeSet attrs) { 877 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 878 0); 879 Resources r = getContext().getResources(); 880 881 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 882 if (mChipBackground == null) { 883 mChipBackground = r.getDrawable(R.drawable.chip_background); 884 } 885 mChipBackgroundPressed = a 886 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 887 if (mChipBackgroundPressed == null) { 888 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 889 } 890 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 891 if (mChipDelete == null) { 892 mChipDelete = r.getDrawable(R.drawable.chip_delete); 893 } 894 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 895 if (mChipPadding == -1) { 896 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 897 } 898 899 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 900 901 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 902 903 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 904 if (mChipHeight == -1) { 905 mChipHeight = r.getDimension(R.dimen.chip_height); 906 } 907 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 908 if (mChipFontSize == -1) { 909 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 910 } 911 mInvalidChipBackground = a 912 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 913 if (mInvalidChipBackground == null) { 914 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 915 } 916 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 917 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 918 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 919 920 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 921 mMaxLines = r.getInteger(R.integer.chips_max_lines); 922 TypedValue tv = new TypedValue(); 923 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 924 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 925 .getDisplayMetrics()); 926 } 927 928 a.recycle(); 929 } 930 931 // Visible for testing. 932 /* package */ void setMoreItem(TextView moreItem) { 933 mMoreItem = moreItem; 934 } 935 936 937 // Visible for testing. 938 /* package */ void setChipBackground(Drawable chipBackground) { 939 mChipBackground = chipBackground; 940 } 941 942 // Visible for testing. 943 /* package */ void setChipHeight(int height) { 944 mChipHeight = height; 945 } 946 947 public float getChipHeight() { 948 return mChipHeight; 949 } 950 951 /** 952 * Set whether to shrink the recipients field such that at most 953 * one line of recipients chips are shown when the field loses 954 * focus. By default, the number of displayed recipients will be 955 * limited and a "more" chip will be shown when focus is lost. 956 * @param shrink 957 */ 958 public void setOnFocusListShrinkRecipients(boolean shrink) { 959 mShouldShrink = shrink; 960 } 961 962 @Override 963 public void onSizeChanged(int width, int height, int oldw, int oldh) { 964 super.onSizeChanged(width, height, oldw, oldh); 965 if (width != 0 && height != 0) { 966 if (mPendingChipsCount > 0) { 967 postHandlePendingChips(); 968 } else { 969 checkChipWidths(); 970 } 971 } 972 // Try to find the scroll view parent, if it exists. 973 if (mScrollView == null && !mTriedGettingScrollView) { 974 ViewParent parent = getParent(); 975 while (parent != null && !(parent instanceof ScrollView)) { 976 parent = parent.getParent(); 977 } 978 if (parent != null) { 979 mScrollView = (ScrollView) parent; 980 } 981 mTriedGettingScrollView = true; 982 } 983 } 984 985 private void postHandlePendingChips() { 986 mHandler.removeCallbacks(mHandlePendingChips); 987 mHandler.post(mHandlePendingChips); 988 } 989 990 private void checkChipWidths() { 991 // Check the widths of the associated chips. 992 DrawableRecipientChip[] chips = getSortedRecipients(); 993 if (chips != null) { 994 Rect bounds; 995 for (DrawableRecipientChip chip : chips) { 996 bounds = chip.getBounds(); 997 if (getWidth() > 0 && bounds.right - bounds.left > 998 getWidth() - getPaddingLeft() - getPaddingRight()) { 999 // Need to redraw that chip. 1000 replaceChip(chip, chip.getEntry()); 1001 } 1002 } 1003 } 1004 } 1005 1006 // Visible for testing. 1007 /*package*/ void handlePendingChips() { 1008 if (getViewWidth() <= 0) { 1009 // The widget has not been sized yet. 1010 // This will be called as a result of onSizeChanged 1011 // at a later point. 1012 return; 1013 } 1014 if (mPendingChipsCount <= 0) { 1015 return; 1016 } 1017 1018 synchronized (mPendingChips) { 1019 Editable editable = getText(); 1020 // Tokenize! 1021 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1022 for (int i = 0; i < mPendingChips.size(); i++) { 1023 String current = mPendingChips.get(i); 1024 int tokenStart = editable.toString().indexOf(current); 1025 // Always leave a space at the end between tokens. 1026 int tokenEnd = tokenStart + current.length() - 1; 1027 if (tokenStart >= 0) { 1028 // When we have a valid token, include it with the token 1029 // to the left. 1030 if (tokenEnd < editable.length() - 2 1031 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1032 tokenEnd++; 1033 } 1034 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1035 || !mShouldShrink); 1036 } 1037 mPendingChipsCount--; 1038 } 1039 sanitizeEnd(); 1040 } else { 1041 mNoChips = true; 1042 } 1043 1044 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1045 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1046 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1047 new RecipientReplacementTask().execute(); 1048 mTemporaryRecipients = null; 1049 } else { 1050 // Create the "more" chip 1051 mIndividualReplacements = new IndividualReplacementTask(); 1052 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1053 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1054 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1055 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1056 mTemporaryRecipients.subList(CHIP_LIMIT, 1057 mTemporaryRecipients.size())); 1058 } else { 1059 mTemporaryRecipients = null; 1060 } 1061 createMoreChip(); 1062 } 1063 } else { 1064 // There are too many recipients to look up, so just fall back 1065 // to showing addresses for all of them. 1066 mTemporaryRecipients = null; 1067 createMoreChip(); 1068 } 1069 mPendingChipsCount = 0; 1070 mPendingChips.clear(); 1071 } 1072 } 1073 1074 // Visible for testing. 1075 /*package*/ int getViewWidth() { 1076 return getWidth(); 1077 } 1078 1079 /** 1080 * Remove any characters after the last valid chip. 1081 */ 1082 // Visible for testing. 1083 /*package*/ void sanitizeEnd() { 1084 // Don't sanitize while we are waiting for pending chips to complete. 1085 if (mPendingChipsCount > 0) { 1086 return; 1087 } 1088 // Find the last chip; eliminate any commit characters after it. 1089 DrawableRecipientChip[] chips = getSortedRecipients(); 1090 Spannable spannable = getSpannable(); 1091 if (chips != null && chips.length > 0) { 1092 int end; 1093 mMoreChip = getMoreChip(); 1094 if (mMoreChip != null) { 1095 end = spannable.getSpanEnd(mMoreChip); 1096 } else { 1097 end = getSpannable().getSpanEnd(getLastChip()); 1098 } 1099 Editable editable = getText(); 1100 int length = editable.length(); 1101 if (length > end) { 1102 // See what characters occur after that and eliminate them. 1103 if (Log.isLoggable(TAG, Log.DEBUG)) { 1104 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1105 + editable); 1106 } 1107 editable.delete(end + 1, length); 1108 } 1109 } 1110 } 1111 1112 /** 1113 * Create a chip that represents just the email address of a recipient. At some later 1114 * point, this chip will be attached to a real contact entry, if one exists. 1115 */ 1116 // VisibleForTesting 1117 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1118 boolean visible) { 1119 if (alreadyHasChip(tokenStart, tokenEnd)) { 1120 // There is already a chip present at this location. 1121 // Don't recreate it. 1122 return; 1123 } 1124 String token = editable.toString().substring(tokenStart, tokenEnd); 1125 final String trimmedToken = token.trim(); 1126 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1127 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1128 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1129 } 1130 RecipientEntry entry = createTokenizedEntry(token); 1131 if (entry != null) { 1132 DrawableRecipientChip chip = null; 1133 try { 1134 if (!mNoChips) { 1135 chip = visible ? 1136 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1137 } 1138 } catch (NullPointerException e) { 1139 Log.e(TAG, e.getMessage(), e); 1140 } 1141 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1142 // Add this chip to the list of entries "to replace" 1143 if (chip != null) { 1144 if (mTemporaryRecipients == null) { 1145 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1146 } 1147 chip.setOriginalText(token); 1148 mTemporaryRecipients.add(chip); 1149 } 1150 } 1151 } 1152 1153 private static boolean isPhoneNumber(String number) { 1154 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1155 // PhoneNumberUtil). One complication is that it requires the sender's region which 1156 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1157 if (TextUtils.isEmpty(number)) { 1158 return false; 1159 } 1160 1161 Matcher match = PHONE_PATTERN.matcher(number); 1162 return match.matches(); 1163 } 1164 1165 // VisibleForTesting 1166 RecipientEntry createTokenizedEntry(final String token) { 1167 if (TextUtils.isEmpty(token)) { 1168 return null; 1169 } 1170 if (isPhoneQuery() && isPhoneNumber(token)) { 1171 return RecipientEntry.constructFakePhoneEntry(token, true); 1172 } 1173 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1174 String display = null; 1175 boolean isValid = isValid(token); 1176 if (isValid && tokens != null && tokens.length > 0) { 1177 // If we can get a name from tokenizing, then generate an entry from 1178 // this. 1179 display = tokens[0].getName(); 1180 if (!TextUtils.isEmpty(display)) { 1181 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1182 isValid); 1183 } else { 1184 display = tokens[0].getAddress(); 1185 if (!TextUtils.isEmpty(display)) { 1186 return RecipientEntry.constructFakeEntry(display, isValid); 1187 } 1188 } 1189 } 1190 // Unable to validate the token or to create a valid token from it. 1191 // Just create a chip the user can edit. 1192 String validatedToken = null; 1193 if (mValidator != null && !isValid) { 1194 // Try fixing up the entry using the validator. 1195 validatedToken = mValidator.fixText(token).toString(); 1196 if (!TextUtils.isEmpty(validatedToken)) { 1197 if (validatedToken.contains(token)) { 1198 // protect against the case of a validator with a null 1199 // domain, 1200 // which doesn't add a domain to the token 1201 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1202 if (tokenized.length > 0) { 1203 validatedToken = tokenized[0].getAddress(); 1204 isValid = true; 1205 } 1206 } else { 1207 // We ran into a case where the token was invalid and 1208 // removed 1209 // by the validator. In this case, just use the original 1210 // token 1211 // and let the user sort out the error chip. 1212 validatedToken = null; 1213 isValid = false; 1214 } 1215 } 1216 } 1217 // Otherwise, fallback to just creating an editable email address chip. 1218 return RecipientEntry.constructFakeEntry( 1219 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1220 } 1221 1222 private boolean isValid(String text) { 1223 return mValidator == null ? true : mValidator.isValid(text); 1224 } 1225 1226 private static String tokenizeAddress(String destination) { 1227 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1228 if (tokens != null && tokens.length > 0) { 1229 return tokens[0].getAddress(); 1230 } 1231 return destination; 1232 } 1233 1234 @Override 1235 public void setTokenizer(Tokenizer tokenizer) { 1236 mTokenizer = tokenizer; 1237 super.setTokenizer(mTokenizer); 1238 } 1239 1240 @Override 1241 public void setValidator(Validator validator) { 1242 mValidator = validator; 1243 super.setValidator(validator); 1244 } 1245 1246 /** 1247 * We cannot use the default mechanism for replaceText. Instead, 1248 * we override onItemClickListener so we can get all the associated 1249 * contact information including display text, address, and id. 1250 */ 1251 @Override 1252 protected void replaceText(CharSequence text) { 1253 return; 1254 } 1255 1256 /** 1257 * Dismiss any selected chips when the back key is pressed. 1258 */ 1259 @Override 1260 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1261 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1262 clearSelectedChip(); 1263 return true; 1264 } 1265 return super.onKeyPreIme(keyCode, event); 1266 } 1267 1268 /** 1269 * Monitor key presses in this view to see if the user types 1270 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1271 * If the user has entered text that has contact matches and types 1272 * a commit key, create a chip from the topmost matching contact. 1273 * If the user has entered text that has no contact matches and types 1274 * a commit key, then create a chip from the text they have entered. 1275 */ 1276 @Override 1277 public boolean onKeyUp(int keyCode, KeyEvent event) { 1278 switch (keyCode) { 1279 case KeyEvent.KEYCODE_TAB: 1280 if (event.hasNoModifiers()) { 1281 if (mSelectedChip != null) { 1282 clearSelectedChip(); 1283 } else { 1284 commitDefault(); 1285 } 1286 } 1287 break; 1288 } 1289 return super.onKeyUp(keyCode, event); 1290 } 1291 1292 private boolean focusNext() { 1293 View next = focusSearch(View.FOCUS_DOWN); 1294 if (next != null) { 1295 next.requestFocus(); 1296 return true; 1297 } 1298 return false; 1299 } 1300 1301 /** 1302 * Create a chip from the default selection. If the popup is showing, the 1303 * default is the selected item (if one is selected), or the first item, in the popup 1304 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1305 * tokenizer should search for a token to turn into a chip. 1306 * @return If a chip was created from a real contact. 1307 */ 1308 private boolean commitDefault() { 1309 // If there is no tokenizer, don't try to commit. 1310 if (mTokenizer == null) { 1311 return false; 1312 } 1313 Editable editable = getText(); 1314 int end = getSelectionEnd(); 1315 int start = mTokenizer.findTokenStart(editable, end); 1316 1317 if (shouldCreateChip(start, end)) { 1318 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1319 // In the middle of chip; treat this as an edit 1320 // and commit the whole token. 1321 whatEnd = movePastTerminators(whatEnd); 1322 if (whatEnd != getSelectionEnd()) { 1323 handleEdit(start, whatEnd); 1324 return true; 1325 } 1326 return commitChip(start, end , editable); 1327 } 1328 return false; 1329 } 1330 1331 private void commitByCharacter() { 1332 // We can't possibly commit by character if we can't tokenize. 1333 if (mTokenizer == null) { 1334 return; 1335 } 1336 Editable editable = getText(); 1337 int end = getSelectionEnd(); 1338 int start = mTokenizer.findTokenStart(editable, end); 1339 if (shouldCreateChip(start, end)) { 1340 commitChip(start, end, editable); 1341 } 1342 setSelection(getText().length()); 1343 } 1344 1345 private boolean commitChip(int start, int end, Editable editable) { 1346 ListAdapter adapter = getAdapter(); 1347 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1348 && end == getSelectionEnd() && !isPhoneQuery()) { 1349 // let's choose the selected or first entry if only the input text is NOT an email 1350 // address so we won't try to replace the user's potentially correct but 1351 // new/unencountered email input 1352 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1353 final int selectedPosition = getListSelection(); 1354 if (selectedPosition == -1) { 1355 // Nothing is selected; use the first item 1356 submitItemAtPosition(0); 1357 } else { 1358 submitItemAtPosition(selectedPosition); 1359 } 1360 } 1361 dismissDropDown(); 1362 return true; 1363 } else { 1364 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1365 if (editable.length() > tokenEnd + 1) { 1366 char charAt = editable.charAt(tokenEnd + 1); 1367 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1368 tokenEnd++; 1369 } 1370 } 1371 String text = editable.toString().substring(start, tokenEnd).trim(); 1372 clearComposingText(); 1373 if (text != null && text.length() > 0 && !text.equals(" ")) { 1374 RecipientEntry entry = createTokenizedEntry(text); 1375 if (entry != null) { 1376 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1377 CharSequence chipText = createChip(entry, false); 1378 if (chipText != null && start > -1 && end > -1) { 1379 editable.replace(start, end, chipText); 1380 } 1381 } 1382 // Only dismiss the dropdown if it is related to the text we 1383 // just committed. 1384 // For paste, it may not be as there are possibly multiple 1385 // tokens being added. 1386 if (end == getSelectionEnd()) { 1387 dismissDropDown(); 1388 } 1389 sanitizeBetween(); 1390 return true; 1391 } 1392 } 1393 return false; 1394 } 1395 1396 // Visible for testing. 1397 /* package */ void sanitizeBetween() { 1398 // Don't sanitize while we are waiting for content to chipify. 1399 if (mPendingChipsCount > 0) { 1400 return; 1401 } 1402 // Find the last chip. 1403 DrawableRecipientChip[] recips = getSortedRecipients(); 1404 if (recips != null && recips.length > 0) { 1405 DrawableRecipientChip last = recips[recips.length - 1]; 1406 DrawableRecipientChip beforeLast = null; 1407 if (recips.length > 1) { 1408 beforeLast = recips[recips.length - 2]; 1409 } 1410 int startLooking = 0; 1411 int end = getSpannable().getSpanStart(last); 1412 if (beforeLast != null) { 1413 startLooking = getSpannable().getSpanEnd(beforeLast); 1414 Editable text = getText(); 1415 if (startLooking == -1 || startLooking > text.length() - 1) { 1416 // There is nothing after this chip. 1417 return; 1418 } 1419 if (text.charAt(startLooking) == ' ') { 1420 startLooking++; 1421 } 1422 } 1423 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1424 getText().delete(startLooking, end); 1425 } 1426 } 1427 } 1428 1429 private boolean shouldCreateChip(int start, int end) { 1430 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1431 } 1432 1433 private boolean alreadyHasChip(int start, int end) { 1434 if (mNoChips) { 1435 return true; 1436 } 1437 DrawableRecipientChip[] chips = 1438 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1439 if ((chips == null || chips.length == 0)) { 1440 return false; 1441 } 1442 return true; 1443 } 1444 1445 private void handleEdit(int start, int end) { 1446 if (start == -1 || end == -1) { 1447 // This chip no longer exists in the field. 1448 dismissDropDown(); 1449 return; 1450 } 1451 // This is in the middle of a chip, so select out the whole chip 1452 // and commit it. 1453 Editable editable = getText(); 1454 setSelection(end); 1455 String text = getText().toString().substring(start, end); 1456 if (!TextUtils.isEmpty(text)) { 1457 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1458 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1459 CharSequence chipText = createChip(entry, false); 1460 int selEnd = getSelectionEnd(); 1461 if (chipText != null && start > -1 && selEnd > -1) { 1462 editable.replace(start, selEnd, chipText); 1463 } 1464 } 1465 dismissDropDown(); 1466 } 1467 1468 /** 1469 * If there is a selected chip, delegate the key events 1470 * to the selected chip. 1471 */ 1472 @Override 1473 public boolean onKeyDown(int keyCode, KeyEvent event) { 1474 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1475 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1476 mAlternatesPopup.dismiss(); 1477 } 1478 removeChip(mSelectedChip); 1479 } 1480 1481 switch (keyCode) { 1482 case KeyEvent.KEYCODE_ENTER: 1483 case KeyEvent.KEYCODE_DPAD_CENTER: 1484 if (event.hasNoModifiers()) { 1485 if (commitDefault()) { 1486 return true; 1487 } 1488 if (mSelectedChip != null) { 1489 clearSelectedChip(); 1490 return true; 1491 } else if (focusNext()) { 1492 return true; 1493 } 1494 } 1495 break; 1496 } 1497 1498 return super.onKeyDown(keyCode, event); 1499 } 1500 1501 // Visible for testing. 1502 /* package */ Spannable getSpannable() { 1503 return getText(); 1504 } 1505 1506 private int getChipStart(DrawableRecipientChip chip) { 1507 return getSpannable().getSpanStart(chip); 1508 } 1509 1510 private int getChipEnd(DrawableRecipientChip chip) { 1511 return getSpannable().getSpanEnd(chip); 1512 } 1513 1514 /** 1515 * Instead of filtering on the entire contents of the edit box, 1516 * this subclass method filters on the range from 1517 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1518 * if the length of that range meets or exceeds {@link #getThreshold} 1519 * and makes sure that the range is not already a Chip. 1520 */ 1521 @Override 1522 protected void performFiltering(CharSequence text, int keyCode) { 1523 boolean isCompletedToken = isCompletedToken(text); 1524 if (enoughToFilter() && !isCompletedToken) { 1525 int end = getSelectionEnd(); 1526 int start = mTokenizer.findTokenStart(text, end); 1527 // If this is a RecipientChip, don't filter 1528 // on its contents. 1529 Spannable span = getSpannable(); 1530 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1531 if (chips != null && chips.length > 0) { 1532 dismissDropDown(); 1533 return; 1534 } 1535 } else if (isCompletedToken) { 1536 dismissDropDown(); 1537 return; 1538 } 1539 super.performFiltering(text, keyCode); 1540 } 1541 1542 // Visible for testing. 1543 /*package*/ boolean isCompletedToken(CharSequence text) { 1544 if (TextUtils.isEmpty(text)) { 1545 return false; 1546 } 1547 // Check to see if this is a completed token before filtering. 1548 int end = text.length(); 1549 int start = mTokenizer.findTokenStart(text, end); 1550 String token = text.toString().substring(start, end).trim(); 1551 if (!TextUtils.isEmpty(token)) { 1552 char atEnd = token.charAt(token.length() - 1); 1553 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1554 } 1555 return false; 1556 } 1557 1558 private void clearSelectedChip() { 1559 if (mSelectedChip != null) { 1560 unselectChip(mSelectedChip); 1561 mSelectedChip = null; 1562 } 1563 setCursorVisible(true); 1564 } 1565 1566 /** 1567 * Monitor touch events in the RecipientEditTextView. 1568 * If the view does not have focus, any tap on the view 1569 * will just focus the view. If the view has focus, determine 1570 * if the touch target is a recipient chip. If it is and the chip 1571 * is not selected, select it and clear any other selected chips. 1572 * If it isn't, then select that chip. 1573 */ 1574 @Override 1575 public boolean onTouchEvent(MotionEvent event) { 1576 if (!isFocused()) { 1577 // Ignore any chip taps until this view is focused. 1578 return super.onTouchEvent(event); 1579 } 1580 boolean handled = super.onTouchEvent(event); 1581 int action = event.getAction(); 1582 boolean chipWasSelected = false; 1583 if (mSelectedChip == null) { 1584 mGestureDetector.onTouchEvent(event); 1585 } 1586 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1587 float x = event.getX(); 1588 float y = event.getY(); 1589 int offset = putOffsetInRange(x, y); 1590 DrawableRecipientChip currentChip = findChip(offset); 1591 if (currentChip != null) { 1592 if (action == MotionEvent.ACTION_UP) { 1593 if (mSelectedChip != null && mSelectedChip != currentChip) { 1594 clearSelectedChip(); 1595 mSelectedChip = selectChip(currentChip); 1596 } else if (mSelectedChip == null) { 1597 setSelection(getText().length()); 1598 commitDefault(); 1599 mSelectedChip = selectChip(currentChip); 1600 } else { 1601 onClick(mSelectedChip, offset, x, y); 1602 } 1603 } 1604 chipWasSelected = true; 1605 handled = true; 1606 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1607 chipWasSelected = true; 1608 } 1609 } 1610 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1611 clearSelectedChip(); 1612 } 1613 return handled; 1614 } 1615 1616 private void scrollLineIntoView(int line) { 1617 if (mScrollView != null) { 1618 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1619 } 1620 } 1621 1622 private void showAlternates(final DrawableRecipientChip currentChip, 1623 final ListPopupWindow alternatesPopup, final int width) { 1624 new AsyncTask<Void, Void, ListAdapter>() { 1625 @Override 1626 protected ListAdapter doInBackground(final Void... params) { 1627 return createAlternatesAdapter(currentChip); 1628 } 1629 1630 @Override 1631 protected void onPostExecute(final ListAdapter result) { 1632 if (!mAttachedToWindow) { 1633 return; 1634 } 1635 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1636 int bottom; 1637 if (line == getLineCount() -1) { 1638 bottom = 0; 1639 } else { 1640 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1641 .abs(getLineCount() - 1 - line))); 1642 } 1643 // Align the alternates popup with the left side of the View, 1644 // regardless of the position of the chip tapped. 1645 alternatesPopup.setWidth(width); 1646 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1647 alternatesPopup.setVerticalOffset(bottom); 1648 alternatesPopup.setAdapter(result); 1649 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1650 // Clear the checked item. 1651 mCheckedItem = -1; 1652 alternatesPopup.show(); 1653 ListView listView = alternatesPopup.getListView(); 1654 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1655 // Checked item would be -1 if the adapter has not 1656 // loaded the view that should be checked yet. The 1657 // variable will be set correctly when onCheckedItemChanged 1658 // is called in a separate thread. 1659 if (mCheckedItem != -1) { 1660 listView.setItemChecked(mCheckedItem, true); 1661 mCheckedItem = -1; 1662 } 1663 } 1664 }.execute((Void[]) null); 1665 } 1666 1667 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1668 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1669 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1670 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1671 } 1672 1673 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1674 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1675 mDropdownChipLayouter); 1676 } 1677 1678 @Override 1679 public void onCheckedItemChanged(int position) { 1680 ListView listView = mAlternatesPopup.getListView(); 1681 if (listView != null && listView.getCheckedItemCount() == 0) { 1682 listView.setItemChecked(position, true); 1683 } 1684 mCheckedItem = position; 1685 } 1686 1687 private int putOffsetInRange(final float x, final float y) { 1688 final int offset; 1689 1690 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1691 offset = getOffsetForPosition(x, y); 1692 } else { 1693 offset = supportGetOffsetForPosition(x, y); 1694 } 1695 1696 return putOffsetInRange(offset); 1697 } 1698 1699 // TODO: This algorithm will need a lot of tweaking after more people have used 1700 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1701 // what comes before the finger. 1702 private int putOffsetInRange(int o) { 1703 int offset = o; 1704 Editable text = getText(); 1705 int length = text.length(); 1706 // Remove whitespace from end to find "real end" 1707 int realLength = length; 1708 for (int i = length - 1; i >= 0; i--) { 1709 if (text.charAt(i) == ' ') { 1710 realLength--; 1711 } else { 1712 break; 1713 } 1714 } 1715 1716 // If the offset is beyond or at the end of the text, 1717 // leave it alone. 1718 if (offset >= realLength) { 1719 return offset; 1720 } 1721 Editable editable = getText(); 1722 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1723 // Keep walking backward! 1724 offset--; 1725 } 1726 return offset; 1727 } 1728 1729 private static int findText(Editable text, int offset) { 1730 if (text.charAt(offset) != ' ') { 1731 return offset; 1732 } 1733 return -1; 1734 } 1735 1736 private DrawableRecipientChip findChip(int offset) { 1737 DrawableRecipientChip[] chips = 1738 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1739 // Find the chip that contains this offset. 1740 for (int i = 0; i < chips.length; i++) { 1741 DrawableRecipientChip chip = chips[i]; 1742 int start = getChipStart(chip); 1743 int end = getChipEnd(chip); 1744 if (offset >= start && offset <= end) { 1745 return chip; 1746 } 1747 } 1748 return null; 1749 } 1750 1751 // Visible for testing. 1752 // Use this method to generate text to add to the list of addresses. 1753 /* package */String createAddressText(RecipientEntry entry) { 1754 String display = entry.getDisplayName(); 1755 String address = entry.getDestination(); 1756 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1757 display = null; 1758 } 1759 String trimmedDisplayText; 1760 if (isPhoneQuery() && isPhoneNumber(address)) { 1761 trimmedDisplayText = address.trim(); 1762 } else { 1763 if (address != null) { 1764 // Tokenize out the address in case the address already 1765 // contained the username as well. 1766 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1767 if (tokenized != null && tokenized.length > 0) { 1768 address = tokenized[0].getAddress(); 1769 } 1770 } 1771 Rfc822Token token = new Rfc822Token(display, address, null); 1772 trimmedDisplayText = token.toString().trim(); 1773 } 1774 int index = trimmedDisplayText.indexOf(","); 1775 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1776 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1777 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1778 } 1779 1780 // Visible for testing. 1781 // Use this method to generate text to display in a chip. 1782 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1783 String display = entry.getDisplayName(); 1784 String address = entry.getDestination(); 1785 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1786 display = null; 1787 } 1788 if (!TextUtils.isEmpty(display)) { 1789 return display; 1790 } else if (!TextUtils.isEmpty(address)){ 1791 return address; 1792 } else { 1793 return new Rfc822Token(display, address, null).toString(); 1794 } 1795 } 1796 1797 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1798 String displayText = createAddressText(entry); 1799 if (TextUtils.isEmpty(displayText)) { 1800 return null; 1801 } 1802 SpannableString chipText = null; 1803 // Always leave a blank space at the end of a chip. 1804 int textLength = displayText.length() - 1; 1805 chipText = new SpannableString(displayText); 1806 if (!mNoChips) { 1807 try { 1808 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1809 chipText.setSpan(chip, 0, textLength, 1810 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1811 chip.setOriginalText(chipText.toString()); 1812 } catch (NullPointerException e) { 1813 Log.e(TAG, e.getMessage(), e); 1814 return null; 1815 } 1816 } 1817 return chipText; 1818 } 1819 1820 /** 1821 * When an item in the suggestions list has been clicked, create a chip from the 1822 * contact information of the selected item. 1823 */ 1824 @Override 1825 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1826 if (position < 0) { 1827 return; 1828 } 1829 1830 final int charactersTyped = submitItemAtPosition(position); 1831 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1832 mRecipientEntryItemClickedListener 1833 .onRecipientEntryItemClicked(charactersTyped, position); 1834 } 1835 } 1836 1837 private int submitItemAtPosition(int position) { 1838 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1839 if (entry == null) { 1840 return -1; 1841 } 1842 clearComposingText(); 1843 1844 int end = getSelectionEnd(); 1845 int start = mTokenizer.findTokenStart(getText(), end); 1846 1847 Editable editable = getText(); 1848 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1849 CharSequence chip = createChip(entry, false); 1850 if (chip != null && start >= 0 && end >= 0) { 1851 editable.replace(start, end, chip); 1852 } 1853 sanitizeBetween(); 1854 1855 return end - start; 1856 } 1857 1858 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1859 if (item == null) { 1860 return null; 1861 } 1862 final RecipientEntry entry; 1863 // If the display name and the address are the same, or if this is a 1864 // valid contact, but the destination is invalid, then make this a fake 1865 // recipient that is editable. 1866 String destination = item.getDestination(); 1867 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1868 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1869 destination, item.isValid()); 1870 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1871 && (TextUtils.isEmpty(item.getDisplayName()) 1872 || TextUtils.equals(item.getDisplayName(), destination) 1873 || (mValidator != null && !mValidator.isValid(destination)))) { 1874 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1875 } else { 1876 entry = item; 1877 } 1878 return entry; 1879 } 1880 1881 // Visible for testing. 1882 /* package */DrawableRecipientChip[] getSortedRecipients() { 1883 DrawableRecipientChip[] recips = getSpannable() 1884 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1885 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1886 Arrays.asList(recips)); 1887 final Spannable spannable = getSpannable(); 1888 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1889 1890 @Override 1891 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1892 int firstStart = spannable.getSpanStart(first); 1893 int secondStart = spannable.getSpanStart(second); 1894 if (firstStart < secondStart) { 1895 return -1; 1896 } else if (firstStart > secondStart) { 1897 return 1; 1898 } else { 1899 return 0; 1900 } 1901 } 1902 }); 1903 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1904 } 1905 1906 @Override 1907 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1908 return false; 1909 } 1910 1911 @Override 1912 public void onDestroyActionMode(ActionMode mode) { 1913 } 1914 1915 @Override 1916 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1917 return false; 1918 } 1919 1920 /** 1921 * No chips are selectable. 1922 */ 1923 @Override 1924 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1925 return false; 1926 } 1927 1928 // Visible for testing. 1929 /* package */ImageSpan getMoreChip() { 1930 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1931 MoreImageSpan.class); 1932 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1933 } 1934 1935 private MoreImageSpan createMoreSpan(int count) { 1936 String moreText = String.format(mMoreItem.getText().toString(), count); 1937 TextPaint morePaint = new TextPaint(getPaint()); 1938 morePaint.setTextSize(mMoreItem.getTextSize()); 1939 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1940 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1941 + mMoreItem.getPaddingRight(); 1942 int height = getLineHeight(); 1943 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1944 Canvas canvas = new Canvas(drawable); 1945 int adjustedHeight = height; 1946 Layout layout = getLayout(); 1947 if (layout != null) { 1948 adjustedHeight -= layout.getLineDescent(0); 1949 } 1950 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1951 1952 Drawable result = new BitmapDrawable(getResources(), drawable); 1953 result.setBounds(0, 0, width, height); 1954 return new MoreImageSpan(result); 1955 } 1956 1957 // Visible for testing. 1958 /*package*/ void createMoreChipPlainText() { 1959 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1960 Editable text = getText(); 1961 int start = 0; 1962 int end = start; 1963 for (int i = 0; i < CHIP_LIMIT; i++) { 1964 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1965 start = end; // move to the next token and get its end. 1966 } 1967 // Now, count total addresses. 1968 start = 0; 1969 int tokenCount = countTokens(text); 1970 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1971 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1972 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1973 text.replace(end, text.length(), chipText); 1974 mMoreChip = moreSpan; 1975 } 1976 1977 // Visible for testing. 1978 /* package */int countTokens(Editable text) { 1979 int tokenCount = 0; 1980 int start = 0; 1981 while (start < text.length()) { 1982 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1983 tokenCount++; 1984 if (start >= text.length()) { 1985 break; 1986 } 1987 } 1988 return tokenCount; 1989 } 1990 1991 /** 1992 * Create the more chip. The more chip is text that replaces any chips that 1993 * do not fit in the pre-defined available space when the 1994 * RecipientEditTextView loses focus. 1995 */ 1996 // Visible for testing. 1997 /* package */ void createMoreChip() { 1998 if (mNoChips) { 1999 createMoreChipPlainText(); 2000 return; 2001 } 2002 2003 if (!mShouldShrink) { 2004 return; 2005 } 2006 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2007 if (tempMore.length > 0) { 2008 getSpannable().removeSpan(tempMore[0]); 2009 } 2010 DrawableRecipientChip[] recipients = getSortedRecipients(); 2011 2012 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2013 mMoreChip = null; 2014 return; 2015 } 2016 Spannable spannable = getSpannable(); 2017 int numRecipients = recipients.length; 2018 int overage = numRecipients - CHIP_LIMIT; 2019 MoreImageSpan moreSpan = createMoreSpan(overage); 2020 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2021 int totalReplaceStart = 0; 2022 int totalReplaceEnd = 0; 2023 Editable text = getText(); 2024 for (int i = numRecipients - overage; i < recipients.length; i++) { 2025 mRemovedSpans.add(recipients[i]); 2026 if (i == numRecipients - overage) { 2027 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2028 } 2029 if (i == recipients.length - 1) { 2030 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2031 } 2032 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2033 int spanStart = spannable.getSpanStart(recipients[i]); 2034 int spanEnd = spannable.getSpanEnd(recipients[i]); 2035 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2036 } 2037 spannable.removeSpan(recipients[i]); 2038 } 2039 if (totalReplaceEnd < text.length()) { 2040 totalReplaceEnd = text.length(); 2041 } 2042 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2043 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2044 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2045 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2046 text.replace(start, end, chipText); 2047 mMoreChip = moreSpan; 2048 // If adding the +more chip goes over the limit, resize accordingly. 2049 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2050 setMaxLines(getLineCount()); 2051 } 2052 } 2053 2054 /** 2055 * Replace the more chip, if it exists, with all of the recipient chips it had 2056 * replaced when the RecipientEditTextView gains focus. 2057 */ 2058 // Visible for testing. 2059 /*package*/ void removeMoreChip() { 2060 if (mMoreChip != null) { 2061 Spannable span = getSpannable(); 2062 span.removeSpan(mMoreChip); 2063 mMoreChip = null; 2064 // Re-add the spans that were removed. 2065 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2066 // Recreate each removed span. 2067 DrawableRecipientChip[] recipients = getSortedRecipients(); 2068 // Start the search for tokens after the last currently visible 2069 // chip. 2070 if (recipients == null || recipients.length == 0) { 2071 return; 2072 } 2073 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2074 Editable editable = getText(); 2075 for (DrawableRecipientChip chip : mRemovedSpans) { 2076 int chipStart; 2077 int chipEnd; 2078 String token; 2079 // Need to find the location of the chip, again. 2080 token = (String) chip.getOriginalText(); 2081 // As we find the matching recipient for the remove spans, 2082 // reduce the size of the string we need to search. 2083 // That way, if there are duplicates, we always find the correct 2084 // recipient. 2085 chipStart = editable.toString().indexOf(token, end); 2086 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2087 // Only set the span if we found a matching token. 2088 if (chipStart != -1) { 2089 editable.setSpan(chip, chipStart, chipEnd, 2090 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2091 } 2092 } 2093 mRemovedSpans.clear(); 2094 } 2095 } 2096 } 2097 2098 /** 2099 * Show specified chip as selected. If the RecipientChip is just an email address, 2100 * selecting the chip will take the contents of the chip and place it at 2101 * the end of the RecipientEditTextView for inline editing. If the 2102 * RecipientChip is a complete contact, then selecting the chip 2103 * will change the background color of the chip, show the delete icon, 2104 * and a popup window with the address in use highlighted and any other 2105 * alternate addresses for the contact. 2106 * @param currentChip Chip to select. 2107 * @return A RecipientChip in the selected state or null if the chip 2108 * just contained an email address. 2109 */ 2110 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2111 if (shouldShowEditableText(currentChip)) { 2112 CharSequence text = currentChip.getValue(); 2113 Editable editable = getText(); 2114 Spannable spannable = getSpannable(); 2115 int spanStart = spannable.getSpanStart(currentChip); 2116 int spanEnd = spannable.getSpanEnd(currentChip); 2117 spannable.removeSpan(currentChip); 2118 editable.delete(spanStart, spanEnd); 2119 setCursorVisible(true); 2120 setSelection(editable.length()); 2121 editable.append(text); 2122 return constructChipSpan( 2123 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2124 true); 2125 } else { 2126 int start = getChipStart(currentChip); 2127 int end = getChipEnd(currentChip); 2128 getSpannable().removeSpan(currentChip); 2129 DrawableRecipientChip newChip; 2130 final boolean showAddress = 2131 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2132 getAdapter().forceShowAddress(); 2133 try { 2134 if (showAddress && mNoChips) { 2135 return null; 2136 } 2137 newChip = constructChipSpan(currentChip.getEntry(), true); 2138 } catch (NullPointerException e) { 2139 Log.e(TAG, e.getMessage(), e); 2140 return null; 2141 } 2142 Editable editable = getText(); 2143 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2144 if (start == -1 || end == -1) { 2145 Log.d(TAG, "The chip being selected no longer exists but should."); 2146 } else { 2147 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2148 } 2149 newChip.setSelected(true); 2150 if (shouldShowEditableText(newChip)) { 2151 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2152 } 2153 if (showAddress) { 2154 showAddress(newChip, mAddressPopup, getWidth()); 2155 } else { 2156 showAlternates(newChip, mAlternatesPopup, getWidth()); 2157 } 2158 setCursorVisible(false); 2159 return newChip; 2160 } 2161 } 2162 2163 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2164 long contactId = currentChip.getContactId(); 2165 return contactId == RecipientEntry.INVALID_CONTACT 2166 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2167 } 2168 2169 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2170 int width) { 2171 if (!mAttachedToWindow) { 2172 return; 2173 } 2174 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2175 int bottom = calculateOffsetFromBottom(line); 2176 // Align the alternates popup with the left side of the View, 2177 // regardless of the position of the chip tapped. 2178 popup.setWidth(width); 2179 popup.setAnchorView(this); 2180 popup.setVerticalOffset(bottom); 2181 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2182 popup.setOnItemClickListener(new OnItemClickListener() { 2183 @Override 2184 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2185 unselectChip(currentChip); 2186 popup.dismiss(); 2187 } 2188 }); 2189 popup.show(); 2190 ListView listView = popup.getListView(); 2191 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2192 listView.setItemChecked(0, true); 2193 } 2194 2195 /** 2196 * Remove selection from this chip. Unselecting a RecipientChip will render 2197 * the chip without a delete icon and with an unfocused background. This is 2198 * called when the RecipientChip no longer has focus. 2199 */ 2200 private void unselectChip(DrawableRecipientChip chip) { 2201 int start = getChipStart(chip); 2202 int end = getChipEnd(chip); 2203 Editable editable = getText(); 2204 mSelectedChip = null; 2205 if (start == -1 || end == -1) { 2206 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2207 setSelection(editable.length()); 2208 commitDefault(); 2209 } else { 2210 getSpannable().removeSpan(chip); 2211 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2212 editable.removeSpan(chip); 2213 try { 2214 if (!mNoChips) { 2215 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2216 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2217 } 2218 } catch (NullPointerException e) { 2219 Log.e(TAG, e.getMessage(), e); 2220 } 2221 } 2222 setCursorVisible(true); 2223 setSelection(editable.length()); 2224 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2225 mAlternatesPopup.dismiss(); 2226 } 2227 } 2228 2229 /** 2230 * Return whether a touch event was inside the delete target of 2231 * a selected chip. It is in the delete target if: 2232 * 1) the x and y points of the event are within the 2233 * delete assset. 2234 * 2) the point tapped would have caused a cursor to appear 2235 * right after the selected chip. 2236 * @return boolean 2237 */ 2238 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2239 // Figure out the bounds of this chip and whether or not 2240 // the user clicked in the X portion. 2241 // TODO: Should x and y be used, or removed? 2242 if (mDisableDelete) { 2243 return false; 2244 } 2245 2246 return chip.isSelected() && 2247 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2248 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2249 } 2250 2251 /** 2252 * Remove the chip and any text associated with it from the RecipientEditTextView. 2253 */ 2254 // Visible for testing. 2255 /* package */void removeChip(DrawableRecipientChip chip) { 2256 Spannable spannable = getSpannable(); 2257 int spanStart = spannable.getSpanStart(chip); 2258 int spanEnd = spannable.getSpanEnd(chip); 2259 Editable text = getText(); 2260 int toDelete = spanEnd; 2261 boolean wasSelected = chip == mSelectedChip; 2262 // Clear that there is a selected chip before updating any text. 2263 if (wasSelected) { 2264 mSelectedChip = null; 2265 } 2266 // Always remove trailing spaces when removing a chip. 2267 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2268 toDelete++; 2269 } 2270 spannable.removeSpan(chip); 2271 if (spanStart >= 0 && toDelete > 0) { 2272 text.delete(spanStart, toDelete); 2273 } 2274 if (wasSelected) { 2275 clearSelectedChip(); 2276 } 2277 } 2278 2279 /** 2280 * Replace this currently selected chip with a new chip 2281 * that uses the contact data provided. 2282 */ 2283 // Visible for testing. 2284 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2285 boolean wasSelected = chip == mSelectedChip; 2286 if (wasSelected) { 2287 mSelectedChip = null; 2288 } 2289 int start = getChipStart(chip); 2290 int end = getChipEnd(chip); 2291 getSpannable().removeSpan(chip); 2292 Editable editable = getText(); 2293 CharSequence chipText = createChip(entry, false); 2294 if (chipText != null) { 2295 if (start == -1 || end == -1) { 2296 Log.e(TAG, "The chip to replace does not exist but should."); 2297 editable.insert(0, chipText); 2298 } else { 2299 if (!TextUtils.isEmpty(chipText)) { 2300 // There may be a space to replace with this chip's new 2301 // associated space. Check for it 2302 int toReplace = end; 2303 while (toReplace >= 0 && toReplace < editable.length() 2304 && editable.charAt(toReplace) == ' ') { 2305 toReplace++; 2306 } 2307 editable.replace(start, toReplace, chipText); 2308 } 2309 } 2310 } 2311 setCursorVisible(true); 2312 if (wasSelected) { 2313 clearSelectedChip(); 2314 } 2315 } 2316 2317 /** 2318 * Handle click events for a chip. When a selected chip receives a click 2319 * event, see if that event was in the delete icon. If so, delete it. 2320 * Otherwise, unselect the chip. 2321 */ 2322 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2323 if (chip.isSelected()) { 2324 if (isInDelete(chip, offset, x, y)) { 2325 removeChip(chip); 2326 } else { 2327 clearSelectedChip(); 2328 } 2329 } 2330 } 2331 2332 private boolean chipsPending() { 2333 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2334 } 2335 2336 @Override 2337 public void removeTextChangedListener(TextWatcher watcher) { 2338 mTextWatcher = null; 2339 super.removeTextChangedListener(watcher); 2340 } 2341 2342 private boolean isValidEmailAddress(String input) { 2343 return !TextUtils.isEmpty(input) && mValidator != null && 2344 mValidator.isValid(input); 2345 } 2346 2347 private class RecipientTextWatcher implements TextWatcher { 2348 2349 @Override 2350 public void afterTextChanged(Editable s) { 2351 // If the text has been set to null or empty, make sure we remove 2352 // all the spans we applied. 2353 if (TextUtils.isEmpty(s)) { 2354 // Remove all the chips spans. 2355 Spannable spannable = getSpannable(); 2356 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2357 DrawableRecipientChip.class); 2358 for (DrawableRecipientChip chip : chips) { 2359 spannable.removeSpan(chip); 2360 } 2361 if (mMoreChip != null) { 2362 spannable.removeSpan(mMoreChip); 2363 } 2364 clearSelectedChip(); 2365 return; 2366 } 2367 // Get whether there are any recipients pending addition to the 2368 // view. If there are, don't do anything in the text watcher. 2369 if (chipsPending()) { 2370 return; 2371 } 2372 // If the user is editing a chip, don't clear it. 2373 if (mSelectedChip != null) { 2374 if (!isGeneratedContact(mSelectedChip)) { 2375 setCursorVisible(true); 2376 setSelection(getText().length()); 2377 clearSelectedChip(); 2378 } else { 2379 return; 2380 } 2381 } 2382 int length = s.length(); 2383 // Make sure there is content there to parse and that it is 2384 // not just the commit character. 2385 if (length > 1) { 2386 if (lastCharacterIsCommitCharacter(s)) { 2387 commitByCharacter(); 2388 return; 2389 } 2390 char last; 2391 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2392 int len = length() - 1; 2393 if (end != len) { 2394 last = s.charAt(end); 2395 } else { 2396 last = s.charAt(len); 2397 } 2398 if (last == COMMIT_CHAR_SPACE) { 2399 if (!isPhoneQuery()) { 2400 // Check if this is a valid email address. If it is, 2401 // commit it. 2402 String text = getText().toString(); 2403 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2404 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2405 tokenStart)); 2406 if (isValidEmailAddress(sub)) { 2407 commitByCharacter(); 2408 } 2409 } 2410 } 2411 } 2412 } 2413 2414 @Override 2415 public void onTextChanged(CharSequence s, int start, int before, int count) { 2416 // The user deleted some text OR some text was replaced; check to 2417 // see if the insertion point is on a space 2418 // following a chip. 2419 if (before - count == 1) { 2420 // If the item deleted is a space, and the thing before the 2421 // space is a chip, delete the entire span. 2422 int selStart = getSelectionStart(); 2423 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2424 DrawableRecipientChip.class); 2425 if (repl.length > 0) { 2426 // There is a chip there! Just remove it. 2427 Editable editable = getText(); 2428 // Add the separator token. 2429 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2430 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2431 tokenEnd = tokenEnd + 1; 2432 if (tokenEnd > editable.length()) { 2433 tokenEnd = editable.length(); 2434 } 2435 editable.delete(tokenStart, tokenEnd); 2436 getSpannable().removeSpan(repl[0]); 2437 } 2438 } else if (count > before) { 2439 if (mSelectedChip != null 2440 && isGeneratedContact(mSelectedChip)) { 2441 if (lastCharacterIsCommitCharacter(s)) { 2442 commitByCharacter(); 2443 return; 2444 } 2445 } 2446 } 2447 } 2448 2449 @Override 2450 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2451 // Do nothing. 2452 } 2453 } 2454 2455 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2456 char last; 2457 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2458 int len = length() - 1; 2459 if (end != len) { 2460 last = s.charAt(end); 2461 } else { 2462 last = s.charAt(len); 2463 } 2464 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2465 } 2466 2467 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2468 long contactId = chip.getContactId(); 2469 return contactId == RecipientEntry.INVALID_CONTACT 2470 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2471 } 2472 2473 /** 2474 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2475 */ 2476 private void handlePasteClip(ClipData clip) { 2477 removeTextChangedListener(mTextWatcher); 2478 2479 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2480 for (int i = 0; i < clip.getItemCount(); i++) { 2481 CharSequence paste = clip.getItemAt(i).getText(); 2482 if (paste != null) { 2483 int start = getSelectionStart(); 2484 int end = getSelectionEnd(); 2485 Editable editable = getText(); 2486 if (start >= 0 && end >= 0 && start != end) { 2487 editable.append(paste, start, end); 2488 } else { 2489 editable.insert(end, paste); 2490 } 2491 handlePasteAndReplace(); 2492 } 2493 } 2494 } 2495 2496 mHandler.post(mAddTextWatcher); 2497 } 2498 2499 @Override 2500 public boolean onTextContextMenuItem(int id) { 2501 if (id == android.R.id.paste) { 2502 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2503 Context.CLIPBOARD_SERVICE); 2504 handlePasteClip(clipboard.getPrimaryClip()); 2505 return true; 2506 } 2507 return super.onTextContextMenuItem(id); 2508 } 2509 2510 private void handlePasteAndReplace() { 2511 ArrayList<DrawableRecipientChip> created = handlePaste(); 2512 if (created != null && created.size() > 0) { 2513 // Perform reverse lookups on the pasted contacts. 2514 IndividualReplacementTask replace = new IndividualReplacementTask(); 2515 replace.execute(created); 2516 } 2517 } 2518 2519 // Visible for testing. 2520 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2521 String text = getText().toString(); 2522 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2523 String lastAddress = text.substring(originalTokenStart); 2524 int tokenStart = originalTokenStart; 2525 int prevTokenStart = 0; 2526 DrawableRecipientChip findChip = null; 2527 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2528 if (tokenStart != 0) { 2529 // There are things before this! 2530 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2531 prevTokenStart = tokenStart; 2532 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2533 findChip = findChip(tokenStart); 2534 if (tokenStart == originalTokenStart && findChip == null) { 2535 break; 2536 } 2537 } 2538 if (tokenStart != originalTokenStart) { 2539 if (findChip != null) { 2540 tokenStart = prevTokenStart; 2541 } 2542 int tokenEnd; 2543 DrawableRecipientChip createdChip; 2544 while (tokenStart < originalTokenStart) { 2545 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2546 tokenStart)); 2547 commitChip(tokenStart, tokenEnd, getText()); 2548 createdChip = findChip(tokenStart); 2549 if (createdChip == null) { 2550 break; 2551 } 2552 // +1 for the space at the end. 2553 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2554 created.add(createdChip); 2555 } 2556 } 2557 } 2558 // Take a look at the last token. If the token has been completed with a 2559 // commit character, create a chip. 2560 if (isCompletedToken(lastAddress)) { 2561 Editable editable = getText(); 2562 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2563 commitChip(tokenStart, editable.length(), editable); 2564 created.add(findChip(tokenStart)); 2565 } 2566 return created; 2567 } 2568 2569 // Visible for testing. 2570 /* package */int movePastTerminators(int tokenEnd) { 2571 if (tokenEnd >= length()) { 2572 return tokenEnd; 2573 } 2574 char atEnd = getText().toString().charAt(tokenEnd); 2575 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2576 tokenEnd++; 2577 } 2578 // This token had not only an end token character, but also a space 2579 // separating it from the next token. 2580 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2581 tokenEnd++; 2582 } 2583 return tokenEnd; 2584 } 2585 2586 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2587 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2588 try { 2589 if (mNoChips) { 2590 return null; 2591 } 2592 return constructChipSpan(entry, false); 2593 } catch (NullPointerException e) { 2594 Log.e(TAG, e.getMessage(), e); 2595 return null; 2596 } 2597 } 2598 2599 @Override 2600 protected void onPreExecute() { 2601 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2602 // replaced 2603 final List<DrawableRecipientChip> originalRecipients = 2604 new ArrayList<DrawableRecipientChip>(); 2605 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2606 for (int i = 0; i < existingChips.length; i++) { 2607 originalRecipients.add(existingChips[i]); 2608 } 2609 if (mRemovedSpans != null) { 2610 originalRecipients.addAll(mRemovedSpans); 2611 } 2612 2613 final List<DrawableRecipientChip> replacements = 2614 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2615 2616 for (final DrawableRecipientChip chip : originalRecipients) { 2617 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2618 && getSpannable().getSpanStart(chip) != -1) { 2619 replacements.add(createFreeChip(chip.getEntry())); 2620 } else { 2621 replacements.add(null); 2622 } 2623 } 2624 2625 processReplacements(originalRecipients, replacements); 2626 } 2627 2628 @Override 2629 protected Void doInBackground(Void... params) { 2630 if (mIndividualReplacements != null) { 2631 mIndividualReplacements.cancel(true); 2632 } 2633 // For each chip in the list, look up the matching contact. 2634 // If there is a match, replace that chip with the matching 2635 // chip. 2636 final ArrayList<DrawableRecipientChip> recipients = 2637 new ArrayList<DrawableRecipientChip>(); 2638 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2639 for (int i = 0; i < existingChips.length; i++) { 2640 recipients.add(existingChips[i]); 2641 } 2642 if (mRemovedSpans != null) { 2643 recipients.addAll(mRemovedSpans); 2644 } 2645 ArrayList<String> addresses = new ArrayList<String>(); 2646 DrawableRecipientChip chip; 2647 for (int i = 0; i < recipients.size(); i++) { 2648 chip = recipients.get(i); 2649 if (chip != null) { 2650 addresses.add(createAddressText(chip.getEntry())); 2651 } 2652 } 2653 final BaseRecipientAdapter adapter = getAdapter(); 2654 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2655 @Override 2656 public void matchesFound(Map<String, RecipientEntry> entries) { 2657 final ArrayList<DrawableRecipientChip> replacements = 2658 new ArrayList<DrawableRecipientChip>(); 2659 for (final DrawableRecipientChip temp : recipients) { 2660 RecipientEntry entry = null; 2661 if (temp != null && RecipientEntry.isCreatedRecipient( 2662 temp.getEntry().getContactId()) 2663 && getSpannable().getSpanStart(temp) != -1) { 2664 // Replace this. 2665 entry = createValidatedEntry( 2666 entries.get(tokenizeAddress(temp.getEntry() 2667 .getDestination()))); 2668 } 2669 if (entry != null) { 2670 replacements.add(createFreeChip(entry)); 2671 } else { 2672 replacements.add(null); 2673 } 2674 } 2675 processReplacements(recipients, replacements); 2676 } 2677 2678 @Override 2679 public void matchesNotFound(final Set<String> unfoundAddresses) { 2680 final List<DrawableRecipientChip> replacements = 2681 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2682 2683 for (final DrawableRecipientChip temp : recipients) { 2684 if (temp != null && RecipientEntry.isCreatedRecipient( 2685 temp.getEntry().getContactId()) 2686 && getSpannable().getSpanStart(temp) != -1) { 2687 if (unfoundAddresses.contains( 2688 temp.getEntry().getDestination())) { 2689 replacements.add(createFreeChip(temp.getEntry())); 2690 } else { 2691 replacements.add(null); 2692 } 2693 } else { 2694 replacements.add(null); 2695 } 2696 } 2697 2698 processReplacements(recipients, replacements); 2699 } 2700 }); 2701 return null; 2702 } 2703 2704 private void processReplacements(final List<DrawableRecipientChip> recipients, 2705 final List<DrawableRecipientChip> replacements) { 2706 if (replacements != null && replacements.size() > 0) { 2707 final Runnable runnable = new Runnable() { 2708 @Override 2709 public void run() { 2710 final Editable text = new SpannableStringBuilder(getText()); 2711 int i = 0; 2712 for (final DrawableRecipientChip chip : recipients) { 2713 final DrawableRecipientChip replacement = replacements.get(i); 2714 if (replacement != null) { 2715 final RecipientEntry oldEntry = chip.getEntry(); 2716 final RecipientEntry newEntry = replacement.getEntry(); 2717 final boolean isBetter = 2718 RecipientAlternatesAdapter.getBetterRecipient( 2719 oldEntry, newEntry) == newEntry; 2720 2721 if (isBetter) { 2722 // Find the location of the chip in the text currently shown. 2723 final int start = text.getSpanStart(chip); 2724 if (start != -1) { 2725 // Replacing the entirety of what the chip represented, 2726 // including the extra space dividing it from other chips. 2727 final int end = 2728 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2729 text.removeSpan(chip); 2730 // Make sure we always have just 1 space at the end to 2731 // separate this chip from the next chip. 2732 final SpannableString displayText = 2733 new SpannableString(createAddressText( 2734 replacement.getEntry()).trim() + " "); 2735 displayText.setSpan(replacement, 0, 2736 displayText.length() - 1, 2737 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2738 // Replace the old text we found with with the new display 2739 // text, which now may also contain the display name of the 2740 // recipient. 2741 text.replace(start, end, displayText); 2742 replacement.setOriginalText(displayText.toString()); 2743 replacements.set(i, null); 2744 2745 recipients.set(i, replacement); 2746 } 2747 } 2748 } 2749 i++; 2750 } 2751 setText(text); 2752 } 2753 }; 2754 2755 if (Looper.myLooper() == Looper.getMainLooper()) { 2756 runnable.run(); 2757 } else { 2758 mHandler.post(runnable); 2759 } 2760 } 2761 } 2762 } 2763 2764 private class IndividualReplacementTask 2765 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2766 @Override 2767 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2768 // For each chip in the list, look up the matching contact. 2769 // If there is a match, replace that chip with the matching 2770 // chip. 2771 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2772 ArrayList<String> addresses = new ArrayList<String>(); 2773 DrawableRecipientChip chip; 2774 for (int i = 0; i < originalRecipients.size(); i++) { 2775 chip = originalRecipients.get(i); 2776 if (chip != null) { 2777 addresses.add(createAddressText(chip.getEntry())); 2778 } 2779 } 2780 final BaseRecipientAdapter adapter = getAdapter(); 2781 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2782 2783 @Override 2784 public void matchesFound(Map<String, RecipientEntry> entries) { 2785 for (final DrawableRecipientChip temp : originalRecipients) { 2786 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2787 .getContactId()) 2788 && getSpannable().getSpanStart(temp) != -1) { 2789 // Replace this. 2790 final RecipientEntry entry = createValidatedEntry(entries 2791 .get(tokenizeAddress(temp.getEntry().getDestination()) 2792 .toLowerCase())); 2793 if (entry != null) { 2794 mHandler.post(new Runnable() { 2795 @Override 2796 public void run() { 2797 replaceChip(temp, entry); 2798 } 2799 }); 2800 } 2801 } 2802 } 2803 } 2804 2805 @Override 2806 public void matchesNotFound(final Set<String> unfoundAddresses) { 2807 // No action required 2808 } 2809 }); 2810 return null; 2811 } 2812 } 2813 2814 2815 /** 2816 * MoreImageSpan is a simple class created for tracking the existence of a 2817 * more chip across activity restarts/ 2818 */ 2819 private class MoreImageSpan extends ImageSpan { 2820 public MoreImageSpan(Drawable b) { 2821 super(b); 2822 } 2823 } 2824 2825 @Override 2826 public boolean onDown(MotionEvent e) { 2827 return false; 2828 } 2829 2830 @Override 2831 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2832 // Do nothing. 2833 return false; 2834 } 2835 2836 @Override 2837 public void onLongPress(MotionEvent event) { 2838 if (mSelectedChip != null) { 2839 return; 2840 } 2841 float x = event.getX(); 2842 float y = event.getY(); 2843 final int offset = putOffsetInRange(x, y); 2844 DrawableRecipientChip currentChip = findChip(offset); 2845 if (currentChip != null) { 2846 if (mDragEnabled) { 2847 // Start drag-and-drop for the selected chip. 2848 startDrag(currentChip); 2849 } else { 2850 // Copy the selected chip email address. 2851 showCopyDialog(currentChip.getEntry().getDestination()); 2852 } 2853 } 2854 } 2855 2856 // The following methods are used to provide some functionality on older versions of Android 2857 // These methods were copied out of JB MR2's TextView 2858 ///////////////////////////////////////////////// 2859 private int supportGetOffsetForPosition(float x, float y) { 2860 if (getLayout() == null) return -1; 2861 final int line = supportGetLineAtCoordinate(y); 2862 final int offset = supportGetOffsetAtCoordinate(line, x); 2863 return offset; 2864 } 2865 2866 private float supportConvertToLocalHorizontalCoordinate(float x) { 2867 x -= getTotalPaddingLeft(); 2868 // Clamp the position to inside of the view. 2869 x = Math.max(0.0f, x); 2870 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2871 x += getScrollX(); 2872 return x; 2873 } 2874 2875 private int supportGetLineAtCoordinate(float y) { 2876 y -= getTotalPaddingLeft(); 2877 // Clamp the position to inside of the view. 2878 y = Math.max(0.0f, y); 2879 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2880 y += getScrollY(); 2881 return getLayout().getLineForVertical((int) y); 2882 } 2883 2884 private int supportGetOffsetAtCoordinate(int line, float x) { 2885 x = supportConvertToLocalHorizontalCoordinate(x); 2886 return getLayout().getOffsetForHorizontal(line, x); 2887 } 2888 ///////////////////////////////////////////////// 2889 2890 /** 2891 * Enables drag-and-drop for chips. 2892 */ 2893 public void enableDrag() { 2894 mDragEnabled = true; 2895 } 2896 2897 /** 2898 * Starts drag-and-drop for the selected chip. 2899 */ 2900 private void startDrag(DrawableRecipientChip currentChip) { 2901 String address = currentChip.getEntry().getDestination(); 2902 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2903 2904 // Start drag mode. 2905 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2906 2907 // Remove the current chip, so drag-and-drop will result in a move. 2908 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2909 removeChip(currentChip); 2910 } 2911 2912 /** 2913 * Handles drag event. 2914 */ 2915 @Override 2916 public boolean onDragEvent(DragEvent event) { 2917 switch (event.getAction()) { 2918 case DragEvent.ACTION_DRAG_STARTED: 2919 // Only handle plain text drag and drop. 2920 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2921 case DragEvent.ACTION_DRAG_ENTERED: 2922 requestFocus(); 2923 return true; 2924 case DragEvent.ACTION_DROP: 2925 handlePasteClip(event.getClipData()); 2926 return true; 2927 } 2928 return false; 2929 } 2930 2931 /** 2932 * Drag shadow for a {@link DrawableRecipientChip}. 2933 */ 2934 private final class RecipientChipShadow extends DragShadowBuilder { 2935 private final DrawableRecipientChip mChip; 2936 2937 public RecipientChipShadow(DrawableRecipientChip chip) { 2938 mChip = chip; 2939 } 2940 2941 @Override 2942 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2943 Rect rect = mChip.getBounds(); 2944 shadowSize.set(rect.width(), rect.height()); 2945 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2946 } 2947 2948 @Override 2949 public void onDrawShadow(Canvas canvas) { 2950 mChip.draw(canvas); 2951 } 2952 } 2953 2954 private void showCopyDialog(final String address) { 2955 if (!mAttachedToWindow) { 2956 return; 2957 } 2958 mCopyAddress = address; 2959 mCopyDialog.setTitle(address); 2960 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2961 mCopyDialog.setCancelable(true); 2962 mCopyDialog.setCanceledOnTouchOutside(true); 2963 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2964 button.setOnClickListener(this); 2965 int btnTitleId; 2966 if (isPhoneQuery()) { 2967 btnTitleId = R.string.copy_number; 2968 } else { 2969 btnTitleId = R.string.copy_email; 2970 } 2971 String buttonTitle = getContext().getResources().getString(btnTitleId); 2972 button.setText(buttonTitle); 2973 mCopyDialog.setOnDismissListener(this); 2974 mCopyDialog.show(); 2975 } 2976 2977 @Override 2978 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2979 // Do nothing. 2980 return false; 2981 } 2982 2983 @Override 2984 public void onShowPress(MotionEvent e) { 2985 // Do nothing. 2986 } 2987 2988 @Override 2989 public boolean onSingleTapUp(MotionEvent e) { 2990 // Do nothing. 2991 return false; 2992 } 2993 2994 @Override 2995 public void onDismiss(DialogInterface dialog) { 2996 mCopyAddress = null; 2997 } 2998 2999 @Override 3000 public void onClick(View v) { 3001 // Copy this to the clipboard. 3002 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3003 Context.CLIPBOARD_SERVICE); 3004 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3005 mCopyDialog.dismiss(); 3006 } 3007 3008 protected boolean isPhoneQuery() { 3009 return getAdapter() != null 3010 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3011 } 3012 3013 @Override 3014 public BaseRecipientAdapter getAdapter() { 3015 return (BaseRecipientAdapter) super.getAdapter(); 3016 } 3017 3018 /** 3019 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3020 * unfinished text at the end. 3021 */ 3022 public void appendRecipientEntry(final RecipientEntry entry) { 3023 clearComposingText(); 3024 3025 final Editable editable = getText(); 3026 int chipInsertionPoint = 0; 3027 3028 // Find the end of last chip and see if there's any unchipified text. 3029 final DrawableRecipientChip[] recips = getSortedRecipients(); 3030 if (recips != null && recips.length > 0) { 3031 final DrawableRecipientChip last = recips[recips.length - 1]; 3032 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3033 // the insertion point will be kept untouched. 3034 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3035 } 3036 3037 final CharSequence chip = createChip(entry, false); 3038 if (chip != null) { 3039 editable.insert(chipInsertionPoint, chip); 3040 } 3041 } 3042 3043 /** 3044 * Remove all chips matching the given RecipientEntry. 3045 */ 3046 public void removeRecipientEntry(final RecipientEntry entry) { 3047 final DrawableRecipientChip[] recips = getText() 3048 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3049 3050 for (final DrawableRecipientChip recipient : recips) { 3051 final RecipientEntry existingEntry = recipient.getEntry(); 3052 if (existingEntry != null && existingEntry.isValid() && 3053 existingEntry.isSamePerson(entry)) { 3054 removeChip(recipient); 3055 } 3056 } 3057 } 3058 3059 private static class ChipBitmapContainer { 3060 Bitmap bitmap; 3061 // information used for positioning the loaded icon 3062 boolean loadIcon = true; 3063 float left; 3064 float top; 3065 float right; 3066 float bottom; 3067 } 3068} 3069