RecipientEditTextView.java revision 4de6a53de8959dc20bfb05e7b54cb47ccc5367ec
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.BitmapShader; 32import android.graphics.Canvas; 33import android.graphics.Color; 34import android.graphics.Matrix; 35import android.graphics.Paint; 36import android.graphics.Paint.Style; 37import android.graphics.Point; 38import android.graphics.Rect; 39import android.graphics.RectF; 40import android.graphics.Shader.TileMode; 41import android.graphics.drawable.BitmapDrawable; 42import android.graphics.drawable.ColorDrawable; 43import android.graphics.drawable.Drawable; 44import android.graphics.drawable.StateListDrawable; 45import android.os.AsyncTask; 46import android.os.Build; 47import android.os.Handler; 48import android.os.Looper; 49import android.os.Message; 50import android.os.Parcelable; 51import android.text.Editable; 52import android.text.InputType; 53import android.text.Layout; 54import android.text.Spannable; 55import android.text.SpannableString; 56import android.text.SpannableStringBuilder; 57import android.text.Spanned; 58import android.text.TextPaint; 59import android.text.TextUtils; 60import android.text.TextWatcher; 61import android.text.method.QwertyKeyListener; 62import android.text.style.ImageSpan; 63import android.text.util.Rfc822Token; 64import android.text.util.Rfc822Tokenizer; 65import android.util.AttributeSet; 66import android.util.Log; 67import android.util.TypedValue; 68import android.view.ActionMode; 69import android.view.ActionMode.Callback; 70import android.view.DragEvent; 71import android.view.GestureDetector; 72import android.view.KeyEvent; 73import android.view.LayoutInflater; 74import android.view.Menu; 75import android.view.MenuItem; 76import android.view.MotionEvent; 77import android.view.View; 78import android.view.View.OnClickListener; 79import android.view.ViewParent; 80import android.view.inputmethod.EditorInfo; 81import android.view.inputmethod.InputConnection; 82import android.widget.AdapterView; 83import android.widget.AdapterView.OnItemClickListener; 84import android.widget.Button; 85import android.widget.Filterable; 86import android.widget.ListAdapter; 87import android.widget.ListPopupWindow; 88import android.widget.ListView; 89import android.widget.MultiAutoCompleteTextView; 90import android.widget.ScrollView; 91import android.widget.TextView; 92 93import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 94import com.android.ex.chips.recipientchip.DrawableRecipientChip; 95import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 96import com.android.ex.chips.recipientchip.VisibleRecipientChip; 97 98import java.util.ArrayList; 99import java.util.Arrays; 100import java.util.Collections; 101import java.util.Comparator; 102import java.util.List; 103import java.util.Map; 104import java.util.Set; 105import java.util.regex.Matcher; 106import java.util.regex.Pattern; 107 108/** 109 * RecipientEditTextView is an auto complete text view for use with applications 110 * that use the new Chips UI for addressing a message to recipients. 111 */ 112public class RecipientEditTextView extends MultiAutoCompleteTextView implements 113 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 114 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 115 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 116 117 private static final char COMMIT_CHAR_COMMA = ','; 118 119 private static final char COMMIT_CHAR_SEMICOLON = ';'; 120 121 private static final char COMMIT_CHAR_SPACE = ' '; 122 123 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 124 + String.valueOf(COMMIT_CHAR_SPACE); 125 126 private static final String TAG = "RecipientEditTextView"; 127 128 private static final int DISMISS = "dismiss".hashCode(); 129 130 private static final long DISMISS_DELAY = 300; 131 132 // TODO: get correct number/ algorithm from with UX. 133 // Visible for testing. 134 /*package*/ static final int CHIP_LIMIT = 2; 135 136 private static final int MAX_CHIPS_PARSED = 50; 137 138 private static int sSelectedTextColor = -1; 139 140 // Resources for displaying chips. 141 private Drawable mChipBackground = null; 142 private Drawable mChipDelete = null; 143 private Drawable mInvalidChipBackground; 144 private Drawable mChipBackgroundPressed; 145 146 private float mChipHeight; 147 private float mChipFontSize; 148 private float mLineSpacingExtra; 149 private int mChipTextStartPadding; 150 private int mChipTextEndPadding; 151 private final int mTextHeight; 152 153 /** 154 * Enumerator for avatar position. See attr.xml for more details. 155 * 0 for end, 1 for start. 156 */ 157 private int mAvatarPosition; 158 159 private static final int AVATAR_POSITION_END = 0; 160 161 private static final int AVATAR_POSITION_START = 1; 162 163 /** 164 * Enumerator for image span alignment. See attr.xml for more details. 165 * 0 for bottom, 1 for baseline. 166 */ 167 private int mImageSpanAlignment; 168 169 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 170 171 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 172 173 174 private boolean mDisableDelete; 175 176 private Tokenizer mTokenizer; 177 178 private Validator mValidator; 179 180 private DrawableRecipientChip mSelectedChip; 181 182 private Bitmap mDefaultContactPhoto; 183 184 private ImageSpan mMoreChip; 185 186 private TextView mMoreItem; 187 188 // VisibleForTesting 189 final ArrayList<String> mPendingChips = new ArrayList<String>(); 190 191 private Handler mHandler; 192 193 private int mPendingChipsCount = 0; 194 195 private boolean mNoChips = false; 196 197 private ListPopupWindow mAlternatesPopup; 198 199 private ListPopupWindow mAddressPopup; 200 201 private View mAlternatePopupAnchor; 202 203 // VisibleForTesting 204 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 205 206 private ArrayList<DrawableRecipientChip> mRemovedSpans; 207 208 private boolean mShouldShrink = true; 209 210 // Chip copy fields. 211 private GestureDetector mGestureDetector; 212 213 private Dialog mCopyDialog; 214 215 private String mCopyAddress; 216 217 /** 218 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 219 * selected chip. 220 */ 221 private OnItemClickListener mAlternatesListener; 222 223 private int mCheckedItem; 224 225 private TextWatcher mTextWatcher; 226 227 // Obtain the enclosing scroll view, if it exists, so that the view can be 228 // scrolled to show the last line of chips content. 229 private ScrollView mScrollView; 230 231 private boolean mTriedGettingScrollView; 232 233 private boolean mDragEnabled = false; 234 235 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 236 // parens, so numbers such as "1 (425) 222-2342" match. 237 private static final Pattern PHONE_PATTERN 238 = Pattern.compile( // sdd = space, dot, or dash 239 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 240 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 241 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 242 243 private final Runnable mAddTextWatcher = new Runnable() { 244 @Override 245 public void run() { 246 if (mTextWatcher == null) { 247 mTextWatcher = new RecipientTextWatcher(); 248 addTextChangedListener(mTextWatcher); 249 } 250 } 251 }; 252 253 private IndividualReplacementTask mIndividualReplacements; 254 255 private Runnable mHandlePendingChips = new Runnable() { 256 257 @Override 258 public void run() { 259 handlePendingChips(); 260 } 261 262 }; 263 264 private Runnable mDelayedShrink = new Runnable() { 265 266 @Override 267 public void run() { 268 shrink(); 269 } 270 271 }; 272 273 private int mMaxLines; 274 275 private static int sExcessTopPadding = -1; 276 277 private int mActionBarHeight; 278 279 private boolean mAttachedToWindow; 280 281 private DropdownChipLayouter mDropdownChipLayouter; 282 283 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 284 285 public interface RecipientEntryItemClickedListener { 286 /** 287 * Callback that occurs whenever an auto-complete suggestion is clicked. 288 * @param charactersTyped the number of characters typed by the user to provide the 289 * auto-complete suggestions. 290 * @param position the position in the dropdown list that the user clicked 291 */ 292 void onRecipientEntryItemClicked(int charactersTyped, int position); 293 } 294 295 public RecipientEditTextView(Context context, AttributeSet attrs) { 296 super(context, attrs); 297 setChipDimensions(context, attrs); 298 mTextHeight = calculateTextHeight(); 299 if (sSelectedTextColor == -1) { 300 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 301 } 302 mAlternatesPopup = new ListPopupWindow(context); 303 mAddressPopup = new ListPopupWindow(context); 304 mCopyDialog = new Dialog(context); 305 mAlternatesListener = new OnItemClickListener() { 306 @Override 307 public void onItemClick(AdapterView<?> adapterView,View view, int position, 308 long rowId) { 309 mAlternatesPopup.setOnItemClickListener(null); 310 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 311 .getRecipientEntry(position)); 312 Message delayed = Message.obtain(mHandler, DISMISS); 313 delayed.obj = mAlternatesPopup; 314 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 315 clearComposingText(); 316 } 317 }; 318 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 319 setOnItemClickListener(this); 320 setCustomSelectionActionModeCallback(this); 321 mHandler = new Handler() { 322 @Override 323 public void handleMessage(Message msg) { 324 if (msg.what == DISMISS) { 325 ((ListPopupWindow) msg.obj).dismiss(); 326 return; 327 } 328 super.handleMessage(msg); 329 } 330 }; 331 mTextWatcher = new RecipientTextWatcher(); 332 addTextChangedListener(mTextWatcher); 333 mGestureDetector = new GestureDetector(context, this); 334 setOnEditorActionListener(this); 335 336 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 337 } 338 339 private int calculateTextHeight() { 340 final Rect textBounds = new Rect(); 341 final TextPaint paint = getPaint(); 342 343 textBounds.setEmpty(); 344 // First measure the bounds of a sample text. 345 final String textHeightSample = "a"; 346 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), textBounds); 347 348 textBounds.left = 0; 349 textBounds.right = 0; 350 351 return textBounds.height(); 352 } 353 354 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 355 mDropdownChipLayouter = dropdownChipLayouter; 356 mDropdownChipLayouter.setDeleteListener(this); 357 } 358 359 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 360 mRecipientEntryItemClickedListener = listener; 361 } 362 363 @Override 364 protected void onDetachedFromWindow() { 365 super.onDetachedFromWindow(); 366 mAttachedToWindow = false; 367 } 368 369 @Override 370 protected void onAttachedToWindow() { 371 super.onAttachedToWindow(); 372 mAttachedToWindow = true; 373 } 374 375 @Override 376 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 377 if (action == EditorInfo.IME_ACTION_DONE) { 378 if (commitDefault()) { 379 return true; 380 } 381 if (mSelectedChip != null) { 382 clearSelectedChip(); 383 return true; 384 } else if (focusNext()) { 385 return true; 386 } 387 } 388 return false; 389 } 390 391 @Override 392 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 393 InputConnection connection = super.onCreateInputConnection(outAttrs); 394 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 395 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 396 // clear the existing action 397 outAttrs.imeOptions ^= imeActions; 398 // set the DONE action 399 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 400 } 401 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 402 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 403 } 404 405 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 406 outAttrs.actionLabel = getContext().getString(R.string.action_label); 407 return connection; 408 } 409 410 /*package*/ DrawableRecipientChip getLastChip() { 411 DrawableRecipientChip last = null; 412 DrawableRecipientChip[] chips = getSortedRecipients(); 413 if (chips != null && chips.length > 0) { 414 last = chips[chips.length - 1]; 415 } 416 return last; 417 } 418 419 /** 420 * @return The list of {@link RecipientEntry}s that have been selected by the user. 421 */ 422 public List<RecipientEntry> getSelectedRecipients() { 423 DrawableRecipientChip[] chips = 424 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 425 List<RecipientEntry> results = new ArrayList(); 426 if (chips == null) { 427 return results; 428 } 429 430 for (DrawableRecipientChip c : chips) { 431 results.add(c.getEntry()); 432 } 433 434 return results; 435 } 436 437 @Override 438 public void onSelectionChanged(int start, int end) { 439 // When selection changes, see if it is inside the chips area. 440 // If so, move the cursor back after the chips again. 441 DrawableRecipientChip last = getLastChip(); 442 if (last != null && start < getSpannable().getSpanEnd(last)) { 443 // Grab the last chip and set the cursor to after it. 444 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 445 } 446 super.onSelectionChanged(start, end); 447 } 448 449 @Override 450 public void onRestoreInstanceState(Parcelable state) { 451 if (!TextUtils.isEmpty(getText())) { 452 super.onRestoreInstanceState(null); 453 } else { 454 super.onRestoreInstanceState(state); 455 } 456 } 457 458 @Override 459 public Parcelable onSaveInstanceState() { 460 // If the user changes orientation while they are editing, just roll back the selection. 461 clearSelectedChip(); 462 return super.onSaveInstanceState(); 463 } 464 465 /** 466 * Convenience method: Append the specified text slice to the TextView's 467 * display buffer, upgrading it to BufferType.EDITABLE if it was 468 * not already editable. Commas are excluded as they are added automatically 469 * by the view. 470 */ 471 @Override 472 public void append(CharSequence text, int start, int end) { 473 // We don't care about watching text changes while appending. 474 if (mTextWatcher != null) { 475 removeTextChangedListener(mTextWatcher); 476 } 477 super.append(text, start, end); 478 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 479 String displayString = text.toString(); 480 481 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 482 // We have no separator, so we should add it 483 super.append(SEPARATOR, 0, SEPARATOR.length()); 484 displayString += SEPARATOR; 485 } 486 487 if (!TextUtils.isEmpty(displayString) 488 && TextUtils.getTrimmedLength(displayString) > 0) { 489 mPendingChipsCount++; 490 mPendingChips.add(displayString); 491 } 492 } 493 // Put a message on the queue to make sure we ALWAYS handle pending 494 // chips. 495 if (mPendingChipsCount > 0) { 496 postHandlePendingChips(); 497 } 498 mHandler.post(mAddTextWatcher); 499 } 500 501 @Override 502 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 503 super.onFocusChanged(hasFocus, direction, previous); 504 if (!hasFocus) { 505 shrink(); 506 } else { 507 expand(); 508 } 509 } 510 511 private int getExcessTopPadding() { 512 if (sExcessTopPadding == -1) { 513 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 514 } 515 return sExcessTopPadding; 516 } 517 518 @Override 519 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 520 super.setAdapter(adapter); 521 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 522 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 523 @Override 524 public void onChanged(List<RecipientEntry> entries) { 525 // Scroll the chips field to the top of the screen so 526 // that the user can see as many results as possible. 527 if (entries != null && entries.size() > 0) { 528 scrollBottomIntoView(); 529 } 530 } 531 }); 532 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 533 } 534 535 protected void scrollBottomIntoView() { 536 if (mScrollView != null && mShouldShrink) { 537 int[] location = new int[2]; 538 getLocationOnScreen(location); 539 int height = getHeight(); 540 int currentPos = location[1] + height; 541 // Desired position shows at least 1 line of chips below the action 542 // bar. We add excess padding to make sure this is always below other 543 // content. 544 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 545 if (currentPos > desiredPos) { 546 mScrollView.scrollBy(0, currentPos - desiredPos); 547 } 548 } 549 } 550 551 protected ScrollView getScrollView() { 552 return mScrollView; 553 } 554 555 @Override 556 public void performValidation() { 557 // Do nothing. Chips handles its own validation. 558 } 559 560 private void shrink() { 561 if (mTokenizer == null) { 562 return; 563 } 564 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 565 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 566 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 567 clearSelectedChip(); 568 } else { 569 if (getWidth() <= 0) { 570 // We don't have the width yet which means the view hasn't been drawn yet 571 // and there is no reason to attempt to commit chips yet. 572 // This focus lost must be the result of an orientation change 573 // or an initial rendering. 574 // Re-post the shrink for later. 575 mHandler.removeCallbacks(mDelayedShrink); 576 mHandler.post(mDelayedShrink); 577 return; 578 } 579 // Reset any pending chips as they would have been handled 580 // when the field lost focus. 581 if (mPendingChipsCount > 0) { 582 postHandlePendingChips(); 583 } else { 584 Editable editable = getText(); 585 int end = getSelectionEnd(); 586 int start = mTokenizer.findTokenStart(editable, end); 587 DrawableRecipientChip[] chips = 588 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 589 if ((chips == null || chips.length == 0)) { 590 Editable text = getText(); 591 int whatEnd = mTokenizer.findTokenEnd(text, start); 592 // This token was already tokenized, so skip past the ending token. 593 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 594 whatEnd = movePastTerminators(whatEnd); 595 } 596 // In the middle of chip; treat this as an edit 597 // and commit the whole token. 598 int selEnd = getSelectionEnd(); 599 if (whatEnd != selEnd) { 600 handleEdit(start, whatEnd); 601 } else { 602 commitChip(start, end, editable); 603 } 604 } 605 } 606 mHandler.post(mAddTextWatcher); 607 } 608 createMoreChip(); 609 } 610 611 private void expand() { 612 if (mShouldShrink) { 613 setMaxLines(Integer.MAX_VALUE); 614 } 615 removeMoreChip(); 616 setCursorVisible(true); 617 Editable text = getText(); 618 setSelection(text != null && text.length() > 0 ? text.length() : 0); 619 // If there are any temporary chips, try replacing them now that the user 620 // has expanded the field. 621 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 622 new RecipientReplacementTask().execute(); 623 mTemporaryRecipients = null; 624 } 625 } 626 627 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 628 paint.setTextSize(mChipFontSize); 629 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 630 Log.d(TAG, "Max width is negative: " + maxWidth); 631 } 632 return TextUtils.ellipsize(text, paint, maxWidth, 633 TextUtils.TruncateAt.END); 634 } 635 636 /** 637 * Creates a bitmap of the given contact on a selected chip. 638 * 639 * @param contact The recipient entry to pull data from. 640 * @param paint The paint to use to draw the bitmap. 641 */ 642 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 643 paint.setColor(sSelectedTextColor); 644 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 645 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 646 647 if (bitmapContainer.loadIcon) { 648 loadAvatarIcon(contact, bitmapContainer, paint); 649 } 650 651 return bitmapContainer.bitmap; 652 } 653 654 /** 655 * Creates a bitmap of the given contact on a selected chip. 656 * 657 * @param contact The recipient entry to pull data from. 658 * @param paint The paint to use to draw the bitmap. 659 */ 660 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 661 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 662 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 663 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 664 665 if (bitmapContainer.loadIcon) { 666 loadAvatarIcon(contact, bitmapContainer, paint); 667 } 668 return bitmapContainer.bitmap; 669 } 670 671 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 672 Drawable overrideBackgroundDrawable, int backgroundColor) { 673 final ChipBitmapContainer result = new ChipBitmapContainer(); 674 675 Rect backgroundPadding = new Rect(); 676 if (overrideBackgroundDrawable != null) { 677 overrideBackgroundDrawable.getPadding(backgroundPadding); 678 } 679 680 // Ellipsize the text so that it takes AT MOST the entire width of the 681 // autocomplete text entry area. Make sure to leave space for padding 682 // on the sides. 683 int height = (int) mChipHeight; 684 // Since the icon is a square, it's width is equal to the maximum height it can be inside 685 // the chip. Don't include iconWidth for invalid contacts. 686 int iconWidth = contact.isValid() ? 687 height - backgroundPadding.top - backgroundPadding.bottom : 0; 688 float[] widths = new float[1]; 689 paint.getTextWidths(" ", widths); 690 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 691 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 692 - backgroundPadding.right); 693 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 694 695 // Chip start padding is the same as the end padding if there is no contact image. 696 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 697 // Make sure there is a minimum chip width so the user can ALWAYS 698 // tap a chip without difficulty. 699 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 700 + iconWidth + backgroundPadding.left + backgroundPadding.right); 701 702 // Create the background of the chip. 703 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 704 final Canvas canvas = new Canvas(result.bitmap); 705 706 // Check if the background drawable is set via attr 707 if (overrideBackgroundDrawable != null) { 708 overrideBackgroundDrawable.setBounds(0, 0, width, height); 709 overrideBackgroundDrawable.draw(canvas); 710 } else { 711 // Draw the default chip background 712 final Paint backgroundPaint = new Paint(); 713 backgroundPaint.setColor(backgroundColor); 714 final float radius = height / 2; 715 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 716 backgroundPaint); 717 } 718 719 // Draw the text vertically aligned 720 int textX = shouldPositionAvatarOnRight() ? 721 mChipTextEndPadding + backgroundPadding.left : 722 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 723 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 724 textX, getTextYOffset(height), paint); 725 726 // Set the variables that are needed to draw the icon bitmap once it's loaded 727 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 728 backgroundPadding.left; 729 result.left = iconX; 730 result.top = backgroundPadding.top; 731 result.right = iconX + iconWidth; 732 result.bottom = height - backgroundPadding.bottom; 733 734 return result; 735 } 736 737 /** 738 * Helper function that draws the loaded icon bitmap into the chips bitmap 739 */ 740 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon, Paint paint) { 741 final Canvas canvas = new Canvas(bitMapResult.bitmap); 742 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 743 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 744 bitMapResult.bottom); 745 drawIconOnCanvas(icon, canvas, paint, src, dst); 746 } 747 748 /** 749 * Returns true if the avatar should be positioned at the right edge of the chip. 750 * Takes into account both the set avatar position (start or end) as well as whether 751 * the layout direction is LTR or RTL. 752 */ 753 private boolean shouldPositionAvatarOnRight() { 754 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 755 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 756 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 757 // If in Rtl mode, the position should be flipped. 758 return isRtl ? !assignedPosition : assignedPosition; 759 } 760 761 /** 762 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 763 * draw an icon for this recipient. 764 */ 765 private void loadAvatarIcon(final RecipientEntry contact, 766 final ChipBitmapContainer bitmapContainer, final Paint paint) { 767 // Don't draw photos for recipients that have been typed in OR generated on the fly. 768 long contactId = contact.getContactId(); 769 boolean drawPhotos = isPhoneQuery() ? 770 contactId != RecipientEntry.INVALID_CONTACT 771 : (contactId != RecipientEntry.INVALID_CONTACT 772 && contactId != RecipientEntry.GENERATED_CONTACT); 773 774 if (drawPhotos) { 775 final byte[] origPhotoBytes = contact.getPhotoBytes(); 776 // There may not be a photo yet if anything but the first contact address 777 // was selected. 778 if (origPhotoBytes == null) { 779 // TODO: cache this in the recipient entry? 780 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 781 @Override 782 public void onPhotoBytesPopulated() { 783 // Call through to the async version which will ensure 784 // proper threading. 785 onPhotoBytesAsynchronouslyPopulated(); 786 } 787 788 @Override 789 public void onPhotoBytesAsynchronouslyPopulated() { 790 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 791 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 792 loadedPhotoBytes.length); 793 tryDrawAndInvalidate(icon); 794 } 795 796 @Override 797 public void onPhotoBytesAsyncLoadFailed() { 798 // TODO: can the scaled down default photo be cached? 799 tryDrawAndInvalidate(mDefaultContactPhoto); 800 } 801 802 private void tryDrawAndInvalidate(Bitmap icon) { 803 drawIcon(bitmapContainer, icon, paint); 804 // The caller might originated from a background task. However, if the 805 // background task has already completed, the view might be already drawn 806 // on the UI but the callback would happen on the background thread. 807 // So if we are on a background thread, post an invalidate call to the UI. 808 if (Looper.myLooper() == Looper.getMainLooper()) { 809 // The view might not redraw itself since it's loaded asynchronously 810 invalidate(); 811 } else { 812 post(new Runnable() { 813 @Override 814 public void run() { 815 invalidate(); 816 } 817 }); 818 } 819 } 820 }); 821 } else { 822 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 823 origPhotoBytes.length); 824 drawIcon(bitmapContainer, icon, paint); 825 } 826 } 827 } 828 829 /** 830 * Get the background drawable for a RecipientChip. 831 */ 832 // Visible for testing. 833 /* package */Drawable getChipBackground(RecipientEntry contact) { 834 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 835 } 836 837 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 838 return getResources().getColor(contact.isValid() ? R.color.chip_background : 839 R.color.chip_background_invalid); 840 } 841 842 /** 843 * Given a height, returns a Y offset that will draw the text in the middle of the height. 844 */ 845 protected float getTextYOffset(int height) { 846 return height - ((height - mTextHeight) / 2); 847 } 848 849 /** 850 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 851 * rectangle of the canvas. 852 */ 853 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 854 final Matrix matrix = new Matrix(); 855 856 // Draw bitmap through shader first. 857 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 858 matrix.reset(); 859 860 // Fit bitmap to bounds. 861 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 862 863 shader.setLocalMatrix(matrix); 864 paint.reset(); 865 paint.setShader(shader); 866 paint.setAntiAlias(true); 867 paint.setFilterBitmap(true); 868 paint.setDither(true); 869 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, paint); 870 871 // Then draw the border. 872 final float borderWidth = 1f; 873 paint.reset(); 874 paint.setColor(Color.TRANSPARENT); 875 paint.setStyle(Style.STROKE); 876 paint.setStrokeWidth(borderWidth); 877 paint.setAntiAlias(true); 878 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, paint); 879 880 paint.reset(); 881 } 882 883 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 884 TextPaint paint = getPaint(); 885 float defaultSize = paint.getTextSize(); 886 int defaultColor = paint.getColor(); 887 888 Bitmap tmpBitmap; 889 if (pressed) { 890 tmpBitmap = createSelectedChip(contact, paint); 891 892 } else { 893 tmpBitmap = createUnselectedChip(contact, paint); 894 } 895 896 // Pass the full text, un-ellipsized, to the chip. 897 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 898 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 899 DrawableRecipientChip recipientChip = 900 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 901 // Return text to the original size. 902 paint.setTextSize(defaultSize); 903 paint.setColor(defaultColor); 904 return recipientChip; 905 } 906 907 private int getImageSpanAlignment() { 908 switch (mImageSpanAlignment) { 909 case IMAGE_SPAN_ALIGNMENT_BASELINE: 910 return ImageSpan.ALIGN_BASELINE; 911 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 912 return ImageSpan.ALIGN_BOTTOM; 913 default: 914 return ImageSpan.ALIGN_BOTTOM; 915 } 916 } 917 918 /** 919 * Calculate the bottom of the line the chip will be located on using: 920 * 1) which line the chip appears on 921 * 2) the height of a chip 922 * 3) padding built into the edit text view 923 */ 924 private int calculateOffsetFromBottom(int line) { 925 // Line offsets start at zero. 926 int actualLine = getLineCount() - (line + 1); 927 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 928 + getDropDownVerticalOffset(); 929 } 930 931 /** 932 * Calculate the offset from bottom of the EditText to top of the provided line. 933 */ 934 private int calculateOffsetFromBottomToTop(int line) { 935 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 936 .abs(getLineCount() - line)) + getPaddingBottom()); 937 } 938 939 /** 940 * Get the max amount of space a chip can take up. The formula takes into 941 * account the width of the EditTextView, any view padding, and padding 942 * that will be added to the chip. 943 */ 944 private float calculateAvailableWidth() { 945 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 946 - mChipTextEndPadding; 947 } 948 949 950 private void setChipDimensions(Context context, AttributeSet attrs) { 951 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 952 0); 953 Resources r = getContext().getResources(); 954 955 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 956 mChipBackgroundPressed = a 957 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 958 mInvalidChipBackground = a 959 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 960 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 961 if (mChipDelete == null) { 962 mChipDelete = r.getDrawable(R.drawable.chip_delete); 963 } 964 mChipTextStartPadding = mChipTextEndPadding 965 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 966 if (mChipTextStartPadding == -1) { 967 mChipTextStartPadding = mChipTextEndPadding = 968 (int) r.getDimension(R.dimen.chip_padding); 969 } 970 // xml-overrides for each individual padding 971 // TODO: add these to attr? 972 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 973 if (overridePadding >= 0) { 974 mChipTextStartPadding = overridePadding; 975 } 976 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 977 if (overridePadding >= 0) { 978 mChipTextEndPadding = overridePadding; 979 } 980 981 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 982 983 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 984 985 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 986 if (mChipHeight == -1) { 987 mChipHeight = r.getDimension(R.dimen.chip_height); 988 } 989 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 990 if (mChipFontSize == -1) { 991 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 992 } 993 mAvatarPosition = 994 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 995 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 996 IMAGE_SPAN_ALIGNMENT_BASELINE); 997 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 998 999 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 1000 mMaxLines = r.getInteger(R.integer.chips_max_lines); 1001 TypedValue tv = new TypedValue(); 1002 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 1003 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 1004 .getDisplayMetrics()); 1005 } 1006 1007 a.recycle(); 1008 } 1009 1010 // Visible for testing. 1011 /* package */ void setMoreItem(TextView moreItem) { 1012 mMoreItem = moreItem; 1013 } 1014 1015 1016 // Visible for testing. 1017 /* package */ void setChipBackground(Drawable chipBackground) { 1018 mChipBackground = chipBackground; 1019 } 1020 1021 // Visible for testing. 1022 /* package */ void setChipHeight(int height) { 1023 mChipHeight = height; 1024 } 1025 1026 public float getChipHeight() { 1027 return mChipHeight; 1028 } 1029 1030 /** 1031 * Set whether to shrink the recipients field such that at most 1032 * one line of recipients chips are shown when the field loses 1033 * focus. By default, the number of displayed recipients will be 1034 * limited and a "more" chip will be shown when focus is lost. 1035 * @param shrink 1036 */ 1037 public void setOnFocusListShrinkRecipients(boolean shrink) { 1038 mShouldShrink = shrink; 1039 } 1040 1041 @Override 1042 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1043 super.onSizeChanged(width, height, oldw, oldh); 1044 if (width != 0 && height != 0) { 1045 if (mPendingChipsCount > 0) { 1046 postHandlePendingChips(); 1047 } else { 1048 checkChipWidths(); 1049 } 1050 } 1051 // Try to find the scroll view parent, if it exists. 1052 if (mScrollView == null && !mTriedGettingScrollView) { 1053 ViewParent parent = getParent(); 1054 while (parent != null && !(parent instanceof ScrollView)) { 1055 parent = parent.getParent(); 1056 } 1057 if (parent != null) { 1058 mScrollView = (ScrollView) parent; 1059 } 1060 mTriedGettingScrollView = true; 1061 } 1062 } 1063 1064 private void postHandlePendingChips() { 1065 mHandler.removeCallbacks(mHandlePendingChips); 1066 mHandler.post(mHandlePendingChips); 1067 } 1068 1069 private void checkChipWidths() { 1070 // Check the widths of the associated chips. 1071 DrawableRecipientChip[] chips = getSortedRecipients(); 1072 if (chips != null) { 1073 Rect bounds; 1074 for (DrawableRecipientChip chip : chips) { 1075 bounds = chip.getBounds(); 1076 if (getWidth() > 0 && bounds.right - bounds.left > 1077 getWidth() - getPaddingLeft() - getPaddingRight()) { 1078 // Need to redraw that chip. 1079 replaceChip(chip, chip.getEntry()); 1080 } 1081 } 1082 } 1083 } 1084 1085 // Visible for testing. 1086 /*package*/ void handlePendingChips() { 1087 if (getViewWidth() <= 0) { 1088 // The widget has not been sized yet. 1089 // This will be called as a result of onSizeChanged 1090 // at a later point. 1091 return; 1092 } 1093 if (mPendingChipsCount <= 0) { 1094 return; 1095 } 1096 1097 synchronized (mPendingChips) { 1098 Editable editable = getText(); 1099 // Tokenize! 1100 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1101 for (int i = 0; i < mPendingChips.size(); i++) { 1102 String current = mPendingChips.get(i); 1103 int tokenStart = editable.toString().indexOf(current); 1104 // Always leave a space at the end between tokens. 1105 int tokenEnd = tokenStart + current.length() - 1; 1106 if (tokenStart >= 0) { 1107 // When we have a valid token, include it with the token 1108 // to the left. 1109 if (tokenEnd < editable.length() - 2 1110 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1111 tokenEnd++; 1112 } 1113 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1114 || !mShouldShrink); 1115 } 1116 mPendingChipsCount--; 1117 } 1118 sanitizeEnd(); 1119 } else { 1120 mNoChips = true; 1121 } 1122 1123 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1124 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1125 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1126 new RecipientReplacementTask().execute(); 1127 mTemporaryRecipients = null; 1128 } else { 1129 // Create the "more" chip 1130 mIndividualReplacements = new IndividualReplacementTask(); 1131 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1132 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1133 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1134 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1135 mTemporaryRecipients.subList(CHIP_LIMIT, 1136 mTemporaryRecipients.size())); 1137 } else { 1138 mTemporaryRecipients = null; 1139 } 1140 createMoreChip(); 1141 } 1142 } else { 1143 // There are too many recipients to look up, so just fall back 1144 // to showing addresses for all of them. 1145 mTemporaryRecipients = null; 1146 createMoreChip(); 1147 } 1148 mPendingChipsCount = 0; 1149 mPendingChips.clear(); 1150 } 1151 } 1152 1153 // Visible for testing. 1154 /*package*/ int getViewWidth() { 1155 return getWidth(); 1156 } 1157 1158 /** 1159 * Remove any characters after the last valid chip. 1160 */ 1161 // Visible for testing. 1162 /*package*/ void sanitizeEnd() { 1163 // Don't sanitize while we are waiting for pending chips to complete. 1164 if (mPendingChipsCount > 0) { 1165 return; 1166 } 1167 // Find the last chip; eliminate any commit characters after it. 1168 DrawableRecipientChip[] chips = getSortedRecipients(); 1169 Spannable spannable = getSpannable(); 1170 if (chips != null && chips.length > 0) { 1171 int end; 1172 mMoreChip = getMoreChip(); 1173 if (mMoreChip != null) { 1174 end = spannable.getSpanEnd(mMoreChip); 1175 } else { 1176 end = getSpannable().getSpanEnd(getLastChip()); 1177 } 1178 Editable editable = getText(); 1179 int length = editable.length(); 1180 if (length > end) { 1181 // See what characters occur after that and eliminate them. 1182 if (Log.isLoggable(TAG, Log.DEBUG)) { 1183 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1184 + editable); 1185 } 1186 editable.delete(end + 1, length); 1187 } 1188 } 1189 } 1190 1191 /** 1192 * Create a chip that represents just the email address of a recipient. At some later 1193 * point, this chip will be attached to a real contact entry, if one exists. 1194 */ 1195 // VisibleForTesting 1196 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1197 boolean visible) { 1198 if (alreadyHasChip(tokenStart, tokenEnd)) { 1199 // There is already a chip present at this location. 1200 // Don't recreate it. 1201 return; 1202 } 1203 String token = editable.toString().substring(tokenStart, tokenEnd); 1204 final String trimmedToken = token.trim(); 1205 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1206 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1207 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1208 } 1209 RecipientEntry entry = createTokenizedEntry(token); 1210 if (entry != null) { 1211 DrawableRecipientChip chip = null; 1212 try { 1213 if (!mNoChips) { 1214 chip = visible ? 1215 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1216 } 1217 } catch (NullPointerException e) { 1218 Log.e(TAG, e.getMessage(), e); 1219 } 1220 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1221 // Add this chip to the list of entries "to replace" 1222 if (chip != null) { 1223 if (mTemporaryRecipients == null) { 1224 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1225 } 1226 chip.setOriginalText(token); 1227 mTemporaryRecipients.add(chip); 1228 } 1229 } 1230 } 1231 1232 private static boolean isPhoneNumber(String number) { 1233 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1234 // PhoneNumberUtil). One complication is that it requires the sender's region which 1235 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1236 if (TextUtils.isEmpty(number)) { 1237 return false; 1238 } 1239 1240 Matcher match = PHONE_PATTERN.matcher(number); 1241 return match.matches(); 1242 } 1243 1244 // VisibleForTesting 1245 RecipientEntry createTokenizedEntry(final String token) { 1246 if (TextUtils.isEmpty(token)) { 1247 return null; 1248 } 1249 if (isPhoneQuery() && isPhoneNumber(token)) { 1250 return RecipientEntry.constructFakePhoneEntry(token, true); 1251 } 1252 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1253 String display = null; 1254 boolean isValid = isValid(token); 1255 if (isValid && tokens != null && tokens.length > 0) { 1256 // If we can get a name from tokenizing, then generate an entry from 1257 // this. 1258 display = tokens[0].getName(); 1259 if (!TextUtils.isEmpty(display)) { 1260 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1261 isValid); 1262 } else { 1263 display = tokens[0].getAddress(); 1264 if (!TextUtils.isEmpty(display)) { 1265 return RecipientEntry.constructFakeEntry(display, isValid); 1266 } 1267 } 1268 } 1269 // Unable to validate the token or to create a valid token from it. 1270 // Just create a chip the user can edit. 1271 String validatedToken = null; 1272 if (mValidator != null && !isValid) { 1273 // Try fixing up the entry using the validator. 1274 validatedToken = mValidator.fixText(token).toString(); 1275 if (!TextUtils.isEmpty(validatedToken)) { 1276 if (validatedToken.contains(token)) { 1277 // protect against the case of a validator with a null 1278 // domain, 1279 // which doesn't add a domain to the token 1280 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1281 if (tokenized.length > 0) { 1282 validatedToken = tokenized[0].getAddress(); 1283 isValid = true; 1284 } 1285 } else { 1286 // We ran into a case where the token was invalid and 1287 // removed 1288 // by the validator. In this case, just use the original 1289 // token 1290 // and let the user sort out the error chip. 1291 validatedToken = null; 1292 isValid = false; 1293 } 1294 } 1295 } 1296 // Otherwise, fallback to just creating an editable email address chip. 1297 return RecipientEntry.constructFakeEntry( 1298 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1299 } 1300 1301 private boolean isValid(String text) { 1302 return mValidator == null ? true : mValidator.isValid(text); 1303 } 1304 1305 private static String tokenizeAddress(String destination) { 1306 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1307 if (tokens != null && tokens.length > 0) { 1308 return tokens[0].getAddress(); 1309 } 1310 return destination; 1311 } 1312 1313 @Override 1314 public void setTokenizer(Tokenizer tokenizer) { 1315 mTokenizer = tokenizer; 1316 super.setTokenizer(mTokenizer); 1317 } 1318 1319 @Override 1320 public void setValidator(Validator validator) { 1321 mValidator = validator; 1322 super.setValidator(validator); 1323 } 1324 1325 /** 1326 * We cannot use the default mechanism for replaceText. Instead, 1327 * we override onItemClickListener so we can get all the associated 1328 * contact information including display text, address, and id. 1329 */ 1330 @Override 1331 protected void replaceText(CharSequence text) { 1332 return; 1333 } 1334 1335 /** 1336 * Dismiss any selected chips when the back key is pressed. 1337 */ 1338 @Override 1339 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1340 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1341 clearSelectedChip(); 1342 return true; 1343 } 1344 return super.onKeyPreIme(keyCode, event); 1345 } 1346 1347 /** 1348 * Monitor key presses in this view to see if the user types 1349 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1350 * If the user has entered text that has contact matches and types 1351 * a commit key, create a chip from the topmost matching contact. 1352 * If the user has entered text that has no contact matches and types 1353 * a commit key, then create a chip from the text they have entered. 1354 */ 1355 @Override 1356 public boolean onKeyUp(int keyCode, KeyEvent event) { 1357 switch (keyCode) { 1358 case KeyEvent.KEYCODE_TAB: 1359 if (event.hasNoModifiers()) { 1360 if (mSelectedChip != null) { 1361 clearSelectedChip(); 1362 } else { 1363 commitDefault(); 1364 } 1365 } 1366 break; 1367 } 1368 return super.onKeyUp(keyCode, event); 1369 } 1370 1371 private boolean focusNext() { 1372 View next = focusSearch(View.FOCUS_DOWN); 1373 if (next != null) { 1374 next.requestFocus(); 1375 return true; 1376 } 1377 return false; 1378 } 1379 1380 /** 1381 * Create a chip from the default selection. If the popup is showing, the 1382 * default is the selected item (if one is selected), or the first item, in the popup 1383 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1384 * tokenizer should search for a token to turn into a chip. 1385 * @return If a chip was created from a real contact. 1386 */ 1387 private boolean commitDefault() { 1388 // If there is no tokenizer, don't try to commit. 1389 if (mTokenizer == null) { 1390 return false; 1391 } 1392 Editable editable = getText(); 1393 int end = getSelectionEnd(); 1394 int start = mTokenizer.findTokenStart(editable, end); 1395 1396 if (shouldCreateChip(start, end)) { 1397 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1398 // In the middle of chip; treat this as an edit 1399 // and commit the whole token. 1400 whatEnd = movePastTerminators(whatEnd); 1401 if (whatEnd != getSelectionEnd()) { 1402 handleEdit(start, whatEnd); 1403 return true; 1404 } 1405 return commitChip(start, end , editable); 1406 } 1407 return false; 1408 } 1409 1410 private void commitByCharacter() { 1411 // We can't possibly commit by character if we can't tokenize. 1412 if (mTokenizer == null) { 1413 return; 1414 } 1415 Editable editable = getText(); 1416 int end = getSelectionEnd(); 1417 int start = mTokenizer.findTokenStart(editable, end); 1418 if (shouldCreateChip(start, end)) { 1419 commitChip(start, end, editable); 1420 } 1421 setSelection(getText().length()); 1422 } 1423 1424 private boolean commitChip(int start, int end, Editable editable) { 1425 ListAdapter adapter = getAdapter(); 1426 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1427 && end == getSelectionEnd() && !isPhoneQuery()) { 1428 // let's choose the selected or first entry if only the input text is NOT an email 1429 // address so we won't try to replace the user's potentially correct but 1430 // new/unencountered email input 1431 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1432 final int selectedPosition = getListSelection(); 1433 if (selectedPosition == -1) { 1434 // Nothing is selected; use the first item 1435 submitItemAtPosition(0); 1436 } else { 1437 submitItemAtPosition(selectedPosition); 1438 } 1439 } 1440 dismissDropDown(); 1441 return true; 1442 } else { 1443 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1444 if (editable.length() > tokenEnd + 1) { 1445 char charAt = editable.charAt(tokenEnd + 1); 1446 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1447 tokenEnd++; 1448 } 1449 } 1450 String text = editable.toString().substring(start, tokenEnd).trim(); 1451 clearComposingText(); 1452 if (text != null && text.length() > 0 && !text.equals(" ")) { 1453 RecipientEntry entry = createTokenizedEntry(text); 1454 if (entry != null) { 1455 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1456 CharSequence chipText = createChip(entry, false); 1457 if (chipText != null && start > -1 && end > -1) { 1458 editable.replace(start, end, chipText); 1459 } 1460 } 1461 // Only dismiss the dropdown if it is related to the text we 1462 // just committed. 1463 // For paste, it may not be as there are possibly multiple 1464 // tokens being added. 1465 if (end == getSelectionEnd()) { 1466 dismissDropDown(); 1467 } 1468 sanitizeBetween(); 1469 return true; 1470 } 1471 } 1472 return false; 1473 } 1474 1475 // Visible for testing. 1476 /* package */ void sanitizeBetween() { 1477 // Don't sanitize while we are waiting for content to chipify. 1478 if (mPendingChipsCount > 0) { 1479 return; 1480 } 1481 // Find the last chip. 1482 DrawableRecipientChip[] recips = getSortedRecipients(); 1483 if (recips != null && recips.length > 0) { 1484 DrawableRecipientChip last = recips[recips.length - 1]; 1485 DrawableRecipientChip beforeLast = null; 1486 if (recips.length > 1) { 1487 beforeLast = recips[recips.length - 2]; 1488 } 1489 int startLooking = 0; 1490 int end = getSpannable().getSpanStart(last); 1491 if (beforeLast != null) { 1492 startLooking = getSpannable().getSpanEnd(beforeLast); 1493 Editable text = getText(); 1494 if (startLooking == -1 || startLooking > text.length() - 1) { 1495 // There is nothing after this chip. 1496 return; 1497 } 1498 if (text.charAt(startLooking) == ' ') { 1499 startLooking++; 1500 } 1501 } 1502 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1503 getText().delete(startLooking, end); 1504 } 1505 } 1506 } 1507 1508 private boolean shouldCreateChip(int start, int end) { 1509 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1510 } 1511 1512 private boolean alreadyHasChip(int start, int end) { 1513 if (mNoChips) { 1514 return true; 1515 } 1516 DrawableRecipientChip[] chips = 1517 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1518 if ((chips == null || chips.length == 0)) { 1519 return false; 1520 } 1521 return true; 1522 } 1523 1524 private void handleEdit(int start, int end) { 1525 if (start == -1 || end == -1) { 1526 // This chip no longer exists in the field. 1527 dismissDropDown(); 1528 return; 1529 } 1530 // This is in the middle of a chip, so select out the whole chip 1531 // and commit it. 1532 Editable editable = getText(); 1533 setSelection(end); 1534 String text = getText().toString().substring(start, end); 1535 if (!TextUtils.isEmpty(text)) { 1536 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1537 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1538 CharSequence chipText = createChip(entry, false); 1539 int selEnd = getSelectionEnd(); 1540 if (chipText != null && start > -1 && selEnd > -1) { 1541 editable.replace(start, selEnd, chipText); 1542 } 1543 } 1544 dismissDropDown(); 1545 } 1546 1547 /** 1548 * If there is a selected chip, delegate the key events 1549 * to the selected chip. 1550 */ 1551 @Override 1552 public boolean onKeyDown(int keyCode, KeyEvent event) { 1553 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1554 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1555 mAlternatesPopup.dismiss(); 1556 } 1557 removeChip(mSelectedChip); 1558 } 1559 1560 switch (keyCode) { 1561 case KeyEvent.KEYCODE_ENTER: 1562 case KeyEvent.KEYCODE_DPAD_CENTER: 1563 if (event.hasNoModifiers()) { 1564 if (commitDefault()) { 1565 return true; 1566 } 1567 if (mSelectedChip != null) { 1568 clearSelectedChip(); 1569 return true; 1570 } else if (focusNext()) { 1571 return true; 1572 } 1573 } 1574 break; 1575 } 1576 1577 return super.onKeyDown(keyCode, event); 1578 } 1579 1580 // Visible for testing. 1581 /* package */ Spannable getSpannable() { 1582 return getText(); 1583 } 1584 1585 private int getChipStart(DrawableRecipientChip chip) { 1586 return getSpannable().getSpanStart(chip); 1587 } 1588 1589 private int getChipEnd(DrawableRecipientChip chip) { 1590 return getSpannable().getSpanEnd(chip); 1591 } 1592 1593 /** 1594 * Instead of filtering on the entire contents of the edit box, 1595 * this subclass method filters on the range from 1596 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1597 * if the length of that range meets or exceeds {@link #getThreshold} 1598 * and makes sure that the range is not already a Chip. 1599 */ 1600 @Override 1601 protected void performFiltering(CharSequence text, int keyCode) { 1602 boolean isCompletedToken = isCompletedToken(text); 1603 if (enoughToFilter() && !isCompletedToken) { 1604 int end = getSelectionEnd(); 1605 int start = mTokenizer.findTokenStart(text, end); 1606 // If this is a RecipientChip, don't filter 1607 // on its contents. 1608 Spannable span = getSpannable(); 1609 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1610 if (chips != null && chips.length > 0) { 1611 dismissDropDown(); 1612 return; 1613 } 1614 } else if (isCompletedToken) { 1615 dismissDropDown(); 1616 return; 1617 } 1618 super.performFiltering(text, keyCode); 1619 } 1620 1621 // Visible for testing. 1622 /*package*/ boolean isCompletedToken(CharSequence text) { 1623 if (TextUtils.isEmpty(text)) { 1624 return false; 1625 } 1626 // Check to see if this is a completed token before filtering. 1627 int end = text.length(); 1628 int start = mTokenizer.findTokenStart(text, end); 1629 String token = text.toString().substring(start, end).trim(); 1630 if (!TextUtils.isEmpty(token)) { 1631 char atEnd = token.charAt(token.length() - 1); 1632 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1633 } 1634 return false; 1635 } 1636 1637 private void clearSelectedChip() { 1638 if (mSelectedChip != null) { 1639 unselectChip(mSelectedChip); 1640 mSelectedChip = null; 1641 } 1642 setCursorVisible(true); 1643 } 1644 1645 /** 1646 * Monitor touch events in the RecipientEditTextView. 1647 * If the view does not have focus, any tap on the view 1648 * will just focus the view. If the view has focus, determine 1649 * if the touch target is a recipient chip. If it is and the chip 1650 * is not selected, select it and clear any other selected chips. 1651 * If it isn't, then select that chip. 1652 */ 1653 @Override 1654 public boolean onTouchEvent(MotionEvent event) { 1655 if (!isFocused()) { 1656 // Ignore any chip taps until this view is focused. 1657 return super.onTouchEvent(event); 1658 } 1659 boolean handled = super.onTouchEvent(event); 1660 int action = event.getAction(); 1661 boolean chipWasSelected = false; 1662 if (mSelectedChip == null) { 1663 mGestureDetector.onTouchEvent(event); 1664 } 1665 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1666 float x = event.getX(); 1667 float y = event.getY(); 1668 int offset = putOffsetInRange(x, y); 1669 DrawableRecipientChip currentChip = findChip(offset); 1670 if (currentChip != null) { 1671 if (action == MotionEvent.ACTION_UP) { 1672 if (mSelectedChip != null && mSelectedChip != currentChip) { 1673 clearSelectedChip(); 1674 mSelectedChip = selectChip(currentChip); 1675 } else if (mSelectedChip == null) { 1676 setSelection(getText().length()); 1677 commitDefault(); 1678 mSelectedChip = selectChip(currentChip); 1679 } else { 1680 onClick(mSelectedChip, offset, x, y); 1681 } 1682 } 1683 chipWasSelected = true; 1684 handled = true; 1685 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1686 chipWasSelected = true; 1687 } 1688 } 1689 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1690 clearSelectedChip(); 1691 } 1692 return handled; 1693 } 1694 1695 private void scrollLineIntoView(int line) { 1696 if (mScrollView != null) { 1697 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1698 } 1699 } 1700 1701 private void showAlternates(final DrawableRecipientChip currentChip, 1702 final ListPopupWindow alternatesPopup, final int width) { 1703 new AsyncTask<Void, Void, ListAdapter>() { 1704 @Override 1705 protected ListAdapter doInBackground(final Void... params) { 1706 return createAlternatesAdapter(currentChip); 1707 } 1708 1709 @Override 1710 protected void onPostExecute(final ListAdapter result) { 1711 if (!mAttachedToWindow) { 1712 return; 1713 } 1714 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1715 int bottomOffset = calculateOffsetFromBottomToTop(line); 1716 1717 // Align the alternates popup with the left side of the View, 1718 // regardless of the position of the chip tapped. 1719 alternatesPopup.setWidth(width); 1720 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1721 mAlternatePopupAnchor : RecipientEditTextView.this); 1722 alternatesPopup.setVerticalOffset(bottomOffset); 1723 alternatesPopup.setAdapter(result); 1724 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1725 // Clear the checked item. 1726 mCheckedItem = -1; 1727 alternatesPopup.show(); 1728 ListView listView = alternatesPopup.getListView(); 1729 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1730 // Checked item would be -1 if the adapter has not 1731 // loaded the view that should be checked yet. The 1732 // variable will be set correctly when onCheckedItemChanged 1733 // is called in a separate thread. 1734 if (mCheckedItem != -1) { 1735 listView.setItemChecked(mCheckedItem, true); 1736 mCheckedItem = -1; 1737 } 1738 } 1739 }.execute((Void[]) null); 1740 } 1741 1742 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1743 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1744 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1745 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1746 constructStateListDeleteDrawable()); 1747 } 1748 1749 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1750 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1751 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1752 } 1753 1754 private StateListDrawable constructStateListDeleteDrawable() { 1755 // Construct the StateListDrawable from deleteDrawable 1756 StateListDrawable deleteDrawable = new StateListDrawable(); 1757 deleteDrawable.addState(new int[] { android.R.attr.state_activated }, mChipDelete); 1758 deleteDrawable.addState(new int[0], null); 1759 return deleteDrawable; 1760 } 1761 1762 @Override 1763 public void onCheckedItemChanged(int position) { 1764 ListView listView = mAlternatesPopup.getListView(); 1765 if (listView != null && listView.getCheckedItemCount() == 0) { 1766 listView.setItemChecked(position, true); 1767 } 1768 mCheckedItem = position; 1769 } 1770 1771 private int putOffsetInRange(final float x, final float y) { 1772 final int offset; 1773 1774 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1775 offset = getOffsetForPosition(x, y); 1776 } else { 1777 offset = supportGetOffsetForPosition(x, y); 1778 } 1779 1780 return putOffsetInRange(offset); 1781 } 1782 1783 // TODO: This algorithm will need a lot of tweaking after more people have used 1784 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1785 // what comes before the finger. 1786 private int putOffsetInRange(int o) { 1787 int offset = o; 1788 Editable text = getText(); 1789 int length = text.length(); 1790 // Remove whitespace from end to find "real end" 1791 int realLength = length; 1792 for (int i = length - 1; i >= 0; i--) { 1793 if (text.charAt(i) == ' ') { 1794 realLength--; 1795 } else { 1796 break; 1797 } 1798 } 1799 1800 // If the offset is beyond or at the end of the text, 1801 // leave it alone. 1802 if (offset >= realLength) { 1803 return offset; 1804 } 1805 Editable editable = getText(); 1806 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1807 // Keep walking backward! 1808 offset--; 1809 } 1810 return offset; 1811 } 1812 1813 private static int findText(Editable text, int offset) { 1814 if (text.charAt(offset) != ' ') { 1815 return offset; 1816 } 1817 return -1; 1818 } 1819 1820 private DrawableRecipientChip findChip(int offset) { 1821 DrawableRecipientChip[] chips = 1822 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1823 // Find the chip that contains this offset. 1824 for (int i = 0; i < chips.length; i++) { 1825 DrawableRecipientChip chip = chips[i]; 1826 int start = getChipStart(chip); 1827 int end = getChipEnd(chip); 1828 if (offset >= start && offset <= end) { 1829 return chip; 1830 } 1831 } 1832 return null; 1833 } 1834 1835 // Visible for testing. 1836 // Use this method to generate text to add to the list of addresses. 1837 /* package */String createAddressText(RecipientEntry entry) { 1838 String display = entry.getDisplayName(); 1839 String address = entry.getDestination(); 1840 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1841 display = null; 1842 } 1843 String trimmedDisplayText; 1844 if (isPhoneQuery() && isPhoneNumber(address)) { 1845 trimmedDisplayText = address.trim(); 1846 } else { 1847 if (address != null) { 1848 // Tokenize out the address in case the address already 1849 // contained the username as well. 1850 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1851 if (tokenized != null && tokenized.length > 0) { 1852 address = tokenized[0].getAddress(); 1853 } 1854 } 1855 Rfc822Token token = new Rfc822Token(display, address, null); 1856 trimmedDisplayText = token.toString().trim(); 1857 } 1858 int index = trimmedDisplayText.indexOf(","); 1859 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1860 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1861 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1862 } 1863 1864 // Visible for testing. 1865 // Use this method to generate text to display in a chip. 1866 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1867 String display = entry.getDisplayName(); 1868 String address = entry.getDestination(); 1869 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1870 display = null; 1871 } 1872 if (!TextUtils.isEmpty(display)) { 1873 return display; 1874 } else if (!TextUtils.isEmpty(address)){ 1875 return address; 1876 } else { 1877 return new Rfc822Token(display, address, null).toString(); 1878 } 1879 } 1880 1881 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1882 final String displayText = createAddressText(entry); 1883 if (TextUtils.isEmpty(displayText)) { 1884 return null; 1885 } 1886 // Always leave a blank space at the end of a chip. 1887 final int textLength = displayText.length() - 1; 1888 final SpannableString chipText = new SpannableString(displayText); 1889 if (!mNoChips) { 1890 try { 1891 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1892 chipText.setSpan(chip, 0, textLength, 1893 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1894 chip.setOriginalText(chipText.toString()); 1895 } catch (NullPointerException e) { 1896 Log.e(TAG, e.getMessage(), e); 1897 return null; 1898 } 1899 } 1900 onChipCreated(entry); 1901 return chipText; 1902 } 1903 1904 /** 1905 * A callback for subclasses to use to know when a chip was created with the 1906 * given RecipientEntry. 1907 */ 1908 protected void onChipCreated(RecipientEntry entry) {} 1909 1910 /** 1911 * When an item in the suggestions list has been clicked, create a chip from the 1912 * contact information of the selected item. 1913 */ 1914 @Override 1915 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1916 if (position < 0) { 1917 return; 1918 } 1919 1920 final int charactersTyped = submitItemAtPosition(position); 1921 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1922 mRecipientEntryItemClickedListener 1923 .onRecipientEntryItemClicked(charactersTyped, position); 1924 } 1925 } 1926 1927 private int submitItemAtPosition(int position) { 1928 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1929 if (entry == null) { 1930 return -1; 1931 } 1932 clearComposingText(); 1933 1934 int end = getSelectionEnd(); 1935 int start = mTokenizer.findTokenStart(getText(), end); 1936 1937 Editable editable = getText(); 1938 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1939 CharSequence chip = createChip(entry, false); 1940 if (chip != null && start >= 0 && end >= 0) { 1941 editable.replace(start, end, chip); 1942 } 1943 sanitizeBetween(); 1944 1945 return end - start; 1946 } 1947 1948 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1949 if (item == null) { 1950 return null; 1951 } 1952 final RecipientEntry entry; 1953 // If the display name and the address are the same, or if this is a 1954 // valid contact, but the destination is invalid, then make this a fake 1955 // recipient that is editable. 1956 String destination = item.getDestination(); 1957 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1958 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1959 destination, item.isValid()); 1960 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1961 && (TextUtils.isEmpty(item.getDisplayName()) 1962 || TextUtils.equals(item.getDisplayName(), destination) 1963 || (mValidator != null && !mValidator.isValid(destination)))) { 1964 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1965 } else { 1966 entry = item; 1967 } 1968 return entry; 1969 } 1970 1971 // Visible for testing. 1972 /* package */DrawableRecipientChip[] getSortedRecipients() { 1973 DrawableRecipientChip[] recips = getSpannable() 1974 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1975 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1976 Arrays.asList(recips)); 1977 final Spannable spannable = getSpannable(); 1978 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1979 1980 @Override 1981 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1982 int firstStart = spannable.getSpanStart(first); 1983 int secondStart = spannable.getSpanStart(second); 1984 if (firstStart < secondStart) { 1985 return -1; 1986 } else if (firstStart > secondStart) { 1987 return 1; 1988 } else { 1989 return 0; 1990 } 1991 } 1992 }); 1993 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1994 } 1995 1996 @Override 1997 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1998 return false; 1999 } 2000 2001 @Override 2002 public void onDestroyActionMode(ActionMode mode) { 2003 } 2004 2005 @Override 2006 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2007 return false; 2008 } 2009 2010 /** 2011 * No chips are selectable. 2012 */ 2013 @Override 2014 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2015 return false; 2016 } 2017 2018 // Visible for testing. 2019 /* package */ImageSpan getMoreChip() { 2020 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2021 MoreImageSpan.class); 2022 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2023 } 2024 2025 private MoreImageSpan createMoreSpan(int count) { 2026 String moreText = String.format(mMoreItem.getText().toString(), count); 2027 TextPaint morePaint = new TextPaint(getPaint()); 2028 morePaint.setTextSize(mMoreItem.getTextSize()); 2029 morePaint.setColor(mMoreItem.getCurrentTextColor()); 2030 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2031 + mMoreItem.getPaddingRight(); 2032 int height = getLineHeight(); 2033 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2034 Canvas canvas = new Canvas(drawable); 2035 int adjustedHeight = height; 2036 Layout layout = getLayout(); 2037 if (layout != null) { 2038 adjustedHeight -= layout.getLineDescent(0); 2039 } 2040 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 2041 2042 Drawable result = new BitmapDrawable(getResources(), drawable); 2043 result.setBounds(0, 0, width, height); 2044 return new MoreImageSpan(result); 2045 } 2046 2047 // Visible for testing. 2048 /*package*/ void createMoreChipPlainText() { 2049 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2050 Editable text = getText(); 2051 int start = 0; 2052 int end = start; 2053 for (int i = 0; i < CHIP_LIMIT; i++) { 2054 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2055 start = end; // move to the next token and get its end. 2056 } 2057 // Now, count total addresses. 2058 start = 0; 2059 int tokenCount = countTokens(text); 2060 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2061 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2062 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2063 text.replace(end, text.length(), chipText); 2064 mMoreChip = moreSpan; 2065 } 2066 2067 // Visible for testing. 2068 /* package */int countTokens(Editable text) { 2069 int tokenCount = 0; 2070 int start = 0; 2071 while (start < text.length()) { 2072 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2073 tokenCount++; 2074 if (start >= text.length()) { 2075 break; 2076 } 2077 } 2078 return tokenCount; 2079 } 2080 2081 /** 2082 * Create the more chip. The more chip is text that replaces any chips that 2083 * do not fit in the pre-defined available space when the 2084 * RecipientEditTextView loses focus. 2085 */ 2086 // Visible for testing. 2087 /* package */ void createMoreChip() { 2088 if (mNoChips) { 2089 createMoreChipPlainText(); 2090 return; 2091 } 2092 2093 if (!mShouldShrink) { 2094 return; 2095 } 2096 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2097 if (tempMore.length > 0) { 2098 getSpannable().removeSpan(tempMore[0]); 2099 } 2100 DrawableRecipientChip[] recipients = getSortedRecipients(); 2101 2102 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2103 mMoreChip = null; 2104 return; 2105 } 2106 Spannable spannable = getSpannable(); 2107 int numRecipients = recipients.length; 2108 int overage = numRecipients - CHIP_LIMIT; 2109 MoreImageSpan moreSpan = createMoreSpan(overage); 2110 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2111 int totalReplaceStart = 0; 2112 int totalReplaceEnd = 0; 2113 Editable text = getText(); 2114 for (int i = numRecipients - overage; i < recipients.length; i++) { 2115 mRemovedSpans.add(recipients[i]); 2116 if (i == numRecipients - overage) { 2117 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2118 } 2119 if (i == recipients.length - 1) { 2120 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2121 } 2122 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2123 int spanStart = spannable.getSpanStart(recipients[i]); 2124 int spanEnd = spannable.getSpanEnd(recipients[i]); 2125 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2126 } 2127 spannable.removeSpan(recipients[i]); 2128 } 2129 if (totalReplaceEnd < text.length()) { 2130 totalReplaceEnd = text.length(); 2131 } 2132 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2133 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2134 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2135 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2136 text.replace(start, end, chipText); 2137 mMoreChip = moreSpan; 2138 // If adding the +more chip goes over the limit, resize accordingly. 2139 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2140 setMaxLines(getLineCount()); 2141 } 2142 } 2143 2144 /** 2145 * Replace the more chip, if it exists, with all of the recipient chips it had 2146 * replaced when the RecipientEditTextView gains focus. 2147 */ 2148 // Visible for testing. 2149 /*package*/ void removeMoreChip() { 2150 if (mMoreChip != null) { 2151 Spannable span = getSpannable(); 2152 span.removeSpan(mMoreChip); 2153 mMoreChip = null; 2154 // Re-add the spans that were removed. 2155 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2156 // Recreate each removed span. 2157 DrawableRecipientChip[] recipients = getSortedRecipients(); 2158 // Start the search for tokens after the last currently visible 2159 // chip. 2160 if (recipients == null || recipients.length == 0) { 2161 return; 2162 } 2163 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2164 Editable editable = getText(); 2165 for (DrawableRecipientChip chip : mRemovedSpans) { 2166 int chipStart; 2167 int chipEnd; 2168 String token; 2169 // Need to find the location of the chip, again. 2170 token = (String) chip.getOriginalText(); 2171 // As we find the matching recipient for the remove spans, 2172 // reduce the size of the string we need to search. 2173 // That way, if there are duplicates, we always find the correct 2174 // recipient. 2175 chipStart = editable.toString().indexOf(token, end); 2176 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2177 // Only set the span if we found a matching token. 2178 if (chipStart != -1) { 2179 editable.setSpan(chip, chipStart, chipEnd, 2180 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2181 } 2182 } 2183 mRemovedSpans.clear(); 2184 } 2185 } 2186 } 2187 2188 /** 2189 * Show specified chip as selected. If the RecipientChip is just an email address, 2190 * selecting the chip will take the contents of the chip and place it at 2191 * the end of the RecipientEditTextView for inline editing. If the 2192 * RecipientChip is a complete contact, then selecting the chip 2193 * will change the background color of the chip, show the delete icon, 2194 * and a popup window with the address in use highlighted and any other 2195 * alternate addresses for the contact. 2196 * @param currentChip Chip to select. 2197 * @return A RecipientChip in the selected state or null if the chip 2198 * just contained an email address. 2199 */ 2200 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2201 if (shouldShowEditableText(currentChip)) { 2202 CharSequence text = currentChip.getValue(); 2203 Editable editable = getText(); 2204 Spannable spannable = getSpannable(); 2205 int spanStart = spannable.getSpanStart(currentChip); 2206 int spanEnd = spannable.getSpanEnd(currentChip); 2207 spannable.removeSpan(currentChip); 2208 editable.delete(spanStart, spanEnd); 2209 setCursorVisible(true); 2210 setSelection(editable.length()); 2211 editable.append(text); 2212 return constructChipSpan( 2213 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2214 true); 2215 } else { 2216 int start = getChipStart(currentChip); 2217 int end = getChipEnd(currentChip); 2218 getSpannable().removeSpan(currentChip); 2219 DrawableRecipientChip newChip; 2220 final boolean showAddress = 2221 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2222 getAdapter().forceShowAddress(); 2223 try { 2224 if (showAddress && mNoChips) { 2225 return null; 2226 } 2227 newChip = constructChipSpan(currentChip.getEntry(), true); 2228 } catch (NullPointerException e) { 2229 Log.e(TAG, e.getMessage(), e); 2230 return null; 2231 } 2232 Editable editable = getText(); 2233 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2234 if (start == -1 || end == -1) { 2235 Log.d(TAG, "The chip being selected no longer exists but should."); 2236 } else { 2237 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2238 } 2239 newChip.setSelected(true); 2240 if (shouldShowEditableText(newChip)) { 2241 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2242 } 2243 if (showAddress) { 2244 showAddress(newChip, mAddressPopup, getWidth()); 2245 } else { 2246 showAlternates(newChip, mAlternatesPopup, getWidth()); 2247 } 2248 setCursorVisible(false); 2249 return newChip; 2250 } 2251 } 2252 2253 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2254 long contactId = currentChip.getContactId(); 2255 return contactId == RecipientEntry.INVALID_CONTACT 2256 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2257 } 2258 2259 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2260 int width) { 2261 if (!mAttachedToWindow) { 2262 return; 2263 } 2264 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2265 int bottomOffset = calculateOffsetFromBottomToTop(line); 2266 // Align the alternates popup with the left side of the View, 2267 // regardless of the position of the chip tapped. 2268 popup.setWidth(width); 2269 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2270 popup.setVerticalOffset(bottomOffset); 2271 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2272 popup.setOnItemClickListener(new OnItemClickListener() { 2273 @Override 2274 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2275 unselectChip(currentChip); 2276 popup.dismiss(); 2277 } 2278 }); 2279 popup.show(); 2280 ListView listView = popup.getListView(); 2281 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2282 listView.setItemChecked(0, true); 2283 } 2284 2285 /** 2286 * Remove selection from this chip. Unselecting a RecipientChip will render 2287 * the chip without a delete icon and with an unfocused background. This is 2288 * called when the RecipientChip no longer has focus. 2289 */ 2290 private void unselectChip(DrawableRecipientChip chip) { 2291 int start = getChipStart(chip); 2292 int end = getChipEnd(chip); 2293 Editable editable = getText(); 2294 mSelectedChip = null; 2295 if (start == -1 || end == -1) { 2296 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2297 setSelection(editable.length()); 2298 commitDefault(); 2299 } else { 2300 getSpannable().removeSpan(chip); 2301 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2302 editable.removeSpan(chip); 2303 try { 2304 if (!mNoChips) { 2305 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2306 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2307 } 2308 } catch (NullPointerException e) { 2309 Log.e(TAG, e.getMessage(), e); 2310 } 2311 } 2312 setCursorVisible(true); 2313 setSelection(editable.length()); 2314 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2315 mAlternatesPopup.dismiss(); 2316 } 2317 } 2318 2319 /** 2320 * Return whether a touch event was inside the delete target of 2321 * a selected chip. It is in the delete target if: 2322 * 1) the x and y points of the event are within the 2323 * delete assset. 2324 * 2) the point tapped would have caused a cursor to appear 2325 * right after the selected chip. 2326 * @return boolean 2327 */ 2328 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2329 // Figure out the bounds of this chip and whether or not 2330 // the user clicked in the X portion. 2331 // TODO: Should x and y be used, or removed? 2332 if (mDisableDelete) { 2333 return false; 2334 } 2335 2336 return chip.isSelected() && 2337 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2338 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2339 } 2340 2341 @Override 2342 public void onChipDelete() { 2343 if (mSelectedChip != null) { 2344 removeChip(mSelectedChip); 2345 mAddressPopup.dismiss(); 2346 mAlternatesPopup.dismiss(); 2347 } 2348 } 2349 2350 /** 2351 * Remove the chip and any text associated with it from the RecipientEditTextView. 2352 */ 2353 // Visible for testing. 2354 /* package */void removeChip(DrawableRecipientChip chip) { 2355 Spannable spannable = getSpannable(); 2356 int spanStart = spannable.getSpanStart(chip); 2357 int spanEnd = spannable.getSpanEnd(chip); 2358 Editable text = getText(); 2359 int toDelete = spanEnd; 2360 boolean wasSelected = chip == mSelectedChip; 2361 // Clear that there is a selected chip before updating any text. 2362 if (wasSelected) { 2363 mSelectedChip = null; 2364 } 2365 // Always remove trailing spaces when removing a chip. 2366 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2367 toDelete++; 2368 } 2369 spannable.removeSpan(chip); 2370 if (spanStart >= 0 && toDelete > 0) { 2371 text.delete(spanStart, toDelete); 2372 } 2373 if (wasSelected) { 2374 clearSelectedChip(); 2375 } 2376 } 2377 2378 /** 2379 * Replace this currently selected chip with a new chip 2380 * that uses the contact data provided. 2381 */ 2382 // Visible for testing. 2383 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2384 boolean wasSelected = chip == mSelectedChip; 2385 if (wasSelected) { 2386 mSelectedChip = null; 2387 } 2388 int start = getChipStart(chip); 2389 int end = getChipEnd(chip); 2390 getSpannable().removeSpan(chip); 2391 Editable editable = getText(); 2392 CharSequence chipText = createChip(entry, false); 2393 if (chipText != null) { 2394 if (start == -1 || end == -1) { 2395 Log.e(TAG, "The chip to replace does not exist but should."); 2396 editable.insert(0, chipText); 2397 } else { 2398 if (!TextUtils.isEmpty(chipText)) { 2399 // There may be a space to replace with this chip's new 2400 // associated space. Check for it 2401 int toReplace = end; 2402 while (toReplace >= 0 && toReplace < editable.length() 2403 && editable.charAt(toReplace) == ' ') { 2404 toReplace++; 2405 } 2406 editable.replace(start, toReplace, chipText); 2407 } 2408 } 2409 } 2410 setCursorVisible(true); 2411 if (wasSelected) { 2412 clearSelectedChip(); 2413 } 2414 } 2415 2416 /** 2417 * Handle click events for a chip. When a selected chip receives a click 2418 * event, see if that event was in the delete icon. If so, delete it. 2419 * Otherwise, unselect the chip. 2420 */ 2421 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2422 if (chip.isSelected()) { 2423 if (isInDelete(chip, offset, x, y)) { 2424 removeChip(chip); 2425 } else { 2426 clearSelectedChip(); 2427 } 2428 } 2429 } 2430 2431 private boolean chipsPending() { 2432 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2433 } 2434 2435 @Override 2436 public void removeTextChangedListener(TextWatcher watcher) { 2437 mTextWatcher = null; 2438 super.removeTextChangedListener(watcher); 2439 } 2440 2441 private boolean isValidEmailAddress(String input) { 2442 return !TextUtils.isEmpty(input) && mValidator != null && 2443 mValidator.isValid(input); 2444 } 2445 2446 private class RecipientTextWatcher implements TextWatcher { 2447 2448 @Override 2449 public void afterTextChanged(Editable s) { 2450 // If the text has been set to null or empty, make sure we remove 2451 // all the spans we applied. 2452 if (TextUtils.isEmpty(s)) { 2453 // Remove all the chips spans. 2454 Spannable spannable = getSpannable(); 2455 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2456 DrawableRecipientChip.class); 2457 for (DrawableRecipientChip chip : chips) { 2458 spannable.removeSpan(chip); 2459 } 2460 if (mMoreChip != null) { 2461 spannable.removeSpan(mMoreChip); 2462 } 2463 clearSelectedChip(); 2464 return; 2465 } 2466 // Get whether there are any recipients pending addition to the 2467 // view. If there are, don't do anything in the text watcher. 2468 if (chipsPending()) { 2469 return; 2470 } 2471 // If the user is editing a chip, don't clear it. 2472 if (mSelectedChip != null) { 2473 if (!isGeneratedContact(mSelectedChip)) { 2474 setCursorVisible(true); 2475 setSelection(getText().length()); 2476 clearSelectedChip(); 2477 } else { 2478 return; 2479 } 2480 } 2481 int length = s.length(); 2482 // Make sure there is content there to parse and that it is 2483 // not just the commit character. 2484 if (length > 1) { 2485 if (lastCharacterIsCommitCharacter(s)) { 2486 commitByCharacter(); 2487 return; 2488 } 2489 char last; 2490 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2491 int len = length() - 1; 2492 if (end != len) { 2493 last = s.charAt(end); 2494 } else { 2495 last = s.charAt(len); 2496 } 2497 if (last == COMMIT_CHAR_SPACE) { 2498 if (!isPhoneQuery()) { 2499 // Check if this is a valid email address. If it is, 2500 // commit it. 2501 String text = getText().toString(); 2502 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2503 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2504 tokenStart)); 2505 if (isValidEmailAddress(sub)) { 2506 commitByCharacter(); 2507 } 2508 } 2509 } 2510 } 2511 } 2512 2513 @Override 2514 public void onTextChanged(CharSequence s, int start, int before, int count) { 2515 // The user deleted some text OR some text was replaced; check to 2516 // see if the insertion point is on a space 2517 // following a chip. 2518 if (before - count == 1) { 2519 // If the item deleted is a space, and the thing before the 2520 // space is a chip, delete the entire span. 2521 int selStart = getSelectionStart(); 2522 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2523 DrawableRecipientChip.class); 2524 if (repl.length > 0) { 2525 // There is a chip there! Just remove it. 2526 Editable editable = getText(); 2527 // Add the separator token. 2528 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2529 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2530 tokenEnd = tokenEnd + 1; 2531 if (tokenEnd > editable.length()) { 2532 tokenEnd = editable.length(); 2533 } 2534 editable.delete(tokenStart, tokenEnd); 2535 getSpannable().removeSpan(repl[0]); 2536 } 2537 } else if (count > before) { 2538 if (mSelectedChip != null 2539 && isGeneratedContact(mSelectedChip)) { 2540 if (lastCharacterIsCommitCharacter(s)) { 2541 commitByCharacter(); 2542 return; 2543 } 2544 } 2545 } 2546 } 2547 2548 @Override 2549 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2550 // Do nothing. 2551 } 2552 } 2553 2554 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2555 char last; 2556 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2557 int len = length() - 1; 2558 if (end != len) { 2559 last = s.charAt(end); 2560 } else { 2561 last = s.charAt(len); 2562 } 2563 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2564 } 2565 2566 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2567 long contactId = chip.getContactId(); 2568 return contactId == RecipientEntry.INVALID_CONTACT 2569 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2570 } 2571 2572 /** 2573 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2574 */ 2575 private void handlePasteClip(ClipData clip) { 2576 removeTextChangedListener(mTextWatcher); 2577 2578 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2579 for (int i = 0; i < clip.getItemCount(); i++) { 2580 CharSequence paste = clip.getItemAt(i).getText(); 2581 if (paste != null) { 2582 int start = getSelectionStart(); 2583 int end = getSelectionEnd(); 2584 Editable editable = getText(); 2585 if (start >= 0 && end >= 0 && start != end) { 2586 editable.append(paste, start, end); 2587 } else { 2588 editable.insert(end, paste); 2589 } 2590 handlePasteAndReplace(); 2591 } 2592 } 2593 } 2594 2595 mHandler.post(mAddTextWatcher); 2596 } 2597 2598 @Override 2599 public boolean onTextContextMenuItem(int id) { 2600 if (id == android.R.id.paste) { 2601 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2602 Context.CLIPBOARD_SERVICE); 2603 handlePasteClip(clipboard.getPrimaryClip()); 2604 return true; 2605 } 2606 return super.onTextContextMenuItem(id); 2607 } 2608 2609 private void handlePasteAndReplace() { 2610 ArrayList<DrawableRecipientChip> created = handlePaste(); 2611 if (created != null && created.size() > 0) { 2612 // Perform reverse lookups on the pasted contacts. 2613 IndividualReplacementTask replace = new IndividualReplacementTask(); 2614 replace.execute(created); 2615 } 2616 } 2617 2618 // Visible for testing. 2619 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2620 String text = getText().toString(); 2621 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2622 String lastAddress = text.substring(originalTokenStart); 2623 int tokenStart = originalTokenStart; 2624 int prevTokenStart = 0; 2625 DrawableRecipientChip findChip = null; 2626 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2627 if (tokenStart != 0) { 2628 // There are things before this! 2629 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2630 prevTokenStart = tokenStart; 2631 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2632 findChip = findChip(tokenStart); 2633 if (tokenStart == originalTokenStart && findChip == null) { 2634 break; 2635 } 2636 } 2637 if (tokenStart != originalTokenStart) { 2638 if (findChip != null) { 2639 tokenStart = prevTokenStart; 2640 } 2641 int tokenEnd; 2642 DrawableRecipientChip createdChip; 2643 while (tokenStart < originalTokenStart) { 2644 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2645 tokenStart)); 2646 commitChip(tokenStart, tokenEnd, getText()); 2647 createdChip = findChip(tokenStart); 2648 if (createdChip == null) { 2649 break; 2650 } 2651 // +1 for the space at the end. 2652 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2653 created.add(createdChip); 2654 } 2655 } 2656 } 2657 // Take a look at the last token. If the token has been completed with a 2658 // commit character, create a chip. 2659 if (isCompletedToken(lastAddress)) { 2660 Editable editable = getText(); 2661 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2662 commitChip(tokenStart, editable.length(), editable); 2663 created.add(findChip(tokenStart)); 2664 } 2665 return created; 2666 } 2667 2668 // Visible for testing. 2669 /* package */int movePastTerminators(int tokenEnd) { 2670 if (tokenEnd >= length()) { 2671 return tokenEnd; 2672 } 2673 char atEnd = getText().toString().charAt(tokenEnd); 2674 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2675 tokenEnd++; 2676 } 2677 // This token had not only an end token character, but also a space 2678 // separating it from the next token. 2679 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2680 tokenEnd++; 2681 } 2682 return tokenEnd; 2683 } 2684 2685 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2686 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2687 try { 2688 if (mNoChips) { 2689 return null; 2690 } 2691 return constructChipSpan(entry, false); 2692 } catch (NullPointerException e) { 2693 Log.e(TAG, e.getMessage(), e); 2694 return null; 2695 } 2696 } 2697 2698 @Override 2699 protected void onPreExecute() { 2700 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2701 // replaced 2702 final List<DrawableRecipientChip> originalRecipients = 2703 new ArrayList<DrawableRecipientChip>(); 2704 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2705 for (int i = 0; i < existingChips.length; i++) { 2706 originalRecipients.add(existingChips[i]); 2707 } 2708 if (mRemovedSpans != null) { 2709 originalRecipients.addAll(mRemovedSpans); 2710 } 2711 2712 final List<DrawableRecipientChip> replacements = 2713 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2714 2715 for (final DrawableRecipientChip chip : originalRecipients) { 2716 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2717 && getSpannable().getSpanStart(chip) != -1) { 2718 replacements.add(createFreeChip(chip.getEntry())); 2719 } else { 2720 replacements.add(null); 2721 } 2722 } 2723 2724 processReplacements(originalRecipients, replacements); 2725 } 2726 2727 @Override 2728 protected Void doInBackground(Void... params) { 2729 if (mIndividualReplacements != null) { 2730 mIndividualReplacements.cancel(true); 2731 } 2732 // For each chip in the list, look up the matching contact. 2733 // If there is a match, replace that chip with the matching 2734 // chip. 2735 final ArrayList<DrawableRecipientChip> recipients = 2736 new ArrayList<DrawableRecipientChip>(); 2737 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2738 for (int i = 0; i < existingChips.length; i++) { 2739 recipients.add(existingChips[i]); 2740 } 2741 if (mRemovedSpans != null) { 2742 recipients.addAll(mRemovedSpans); 2743 } 2744 ArrayList<String> addresses = new ArrayList<String>(); 2745 DrawableRecipientChip chip; 2746 for (int i = 0; i < recipients.size(); i++) { 2747 chip = recipients.get(i); 2748 if (chip != null) { 2749 addresses.add(createAddressText(chip.getEntry())); 2750 } 2751 } 2752 final BaseRecipientAdapter adapter = getAdapter(); 2753 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2754 @Override 2755 public void matchesFound(Map<String, RecipientEntry> entries) { 2756 final ArrayList<DrawableRecipientChip> replacements = 2757 new ArrayList<DrawableRecipientChip>(); 2758 for (final DrawableRecipientChip temp : recipients) { 2759 RecipientEntry entry = null; 2760 if (temp != null && RecipientEntry.isCreatedRecipient( 2761 temp.getEntry().getContactId()) 2762 && getSpannable().getSpanStart(temp) != -1) { 2763 // Replace this. 2764 entry = createValidatedEntry( 2765 entries.get(tokenizeAddress(temp.getEntry() 2766 .getDestination()))); 2767 } 2768 if (entry != null) { 2769 replacements.add(createFreeChip(entry)); 2770 } else { 2771 replacements.add(null); 2772 } 2773 } 2774 processReplacements(recipients, replacements); 2775 } 2776 2777 @Override 2778 public void matchesNotFound(final Set<String> unfoundAddresses) { 2779 final List<DrawableRecipientChip> replacements = 2780 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2781 2782 for (final DrawableRecipientChip temp : recipients) { 2783 if (temp != null && RecipientEntry.isCreatedRecipient( 2784 temp.getEntry().getContactId()) 2785 && getSpannable().getSpanStart(temp) != -1) { 2786 if (unfoundAddresses.contains( 2787 temp.getEntry().getDestination())) { 2788 replacements.add(createFreeChip(temp.getEntry())); 2789 } else { 2790 replacements.add(null); 2791 } 2792 } else { 2793 replacements.add(null); 2794 } 2795 } 2796 2797 processReplacements(recipients, replacements); 2798 } 2799 }); 2800 return null; 2801 } 2802 2803 private void processReplacements(final List<DrawableRecipientChip> recipients, 2804 final List<DrawableRecipientChip> replacements) { 2805 if (replacements != null && replacements.size() > 0) { 2806 final Runnable runnable = new Runnable() { 2807 @Override 2808 public void run() { 2809 final Editable text = new SpannableStringBuilder(getText()); 2810 int i = 0; 2811 for (final DrawableRecipientChip chip : recipients) { 2812 final DrawableRecipientChip replacement = replacements.get(i); 2813 if (replacement != null) { 2814 final RecipientEntry oldEntry = chip.getEntry(); 2815 final RecipientEntry newEntry = replacement.getEntry(); 2816 final boolean isBetter = 2817 RecipientAlternatesAdapter.getBetterRecipient( 2818 oldEntry, newEntry) == newEntry; 2819 2820 if (isBetter) { 2821 // Find the location of the chip in the text currently shown. 2822 final int start = text.getSpanStart(chip); 2823 if (start != -1) { 2824 // Replacing the entirety of what the chip represented, 2825 // including the extra space dividing it from other chips. 2826 final int end = 2827 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2828 text.removeSpan(chip); 2829 // Make sure we always have just 1 space at the end to 2830 // separate this chip from the next chip. 2831 final SpannableString displayText = 2832 new SpannableString(createAddressText( 2833 replacement.getEntry()).trim() + " "); 2834 displayText.setSpan(replacement, 0, 2835 displayText.length() - 1, 2836 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2837 // Replace the old text we found with with the new display 2838 // text, which now may also contain the display name of the 2839 // recipient. 2840 text.replace(start, end, displayText); 2841 replacement.setOriginalText(displayText.toString()); 2842 replacements.set(i, null); 2843 2844 recipients.set(i, replacement); 2845 } 2846 } 2847 } 2848 i++; 2849 } 2850 setText(text); 2851 } 2852 }; 2853 2854 if (Looper.myLooper() == Looper.getMainLooper()) { 2855 runnable.run(); 2856 } else { 2857 mHandler.post(runnable); 2858 } 2859 } 2860 } 2861 } 2862 2863 private class IndividualReplacementTask 2864 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2865 @Override 2866 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2867 // For each chip in the list, look up the matching contact. 2868 // If there is a match, replace that chip with the matching 2869 // chip. 2870 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2871 ArrayList<String> addresses = new ArrayList<String>(); 2872 DrawableRecipientChip chip; 2873 for (int i = 0; i < originalRecipients.size(); i++) { 2874 chip = originalRecipients.get(i); 2875 if (chip != null) { 2876 addresses.add(createAddressText(chip.getEntry())); 2877 } 2878 } 2879 final BaseRecipientAdapter adapter = getAdapter(); 2880 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2881 2882 @Override 2883 public void matchesFound(Map<String, RecipientEntry> entries) { 2884 for (final DrawableRecipientChip temp : originalRecipients) { 2885 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2886 .getContactId()) 2887 && getSpannable().getSpanStart(temp) != -1) { 2888 // Replace this. 2889 final RecipientEntry entry = createValidatedEntry(entries 2890 .get(tokenizeAddress(temp.getEntry().getDestination()) 2891 .toLowerCase())); 2892 if (entry != null) { 2893 mHandler.post(new Runnable() { 2894 @Override 2895 public void run() { 2896 replaceChip(temp, entry); 2897 } 2898 }); 2899 } 2900 } 2901 } 2902 } 2903 2904 @Override 2905 public void matchesNotFound(final Set<String> unfoundAddresses) { 2906 // No action required 2907 } 2908 }); 2909 return null; 2910 } 2911 } 2912 2913 2914 /** 2915 * MoreImageSpan is a simple class created for tracking the existence of a 2916 * more chip across activity restarts/ 2917 */ 2918 private class MoreImageSpan extends ImageSpan { 2919 public MoreImageSpan(Drawable b) { 2920 super(b); 2921 } 2922 } 2923 2924 @Override 2925 public boolean onDown(MotionEvent e) { 2926 return false; 2927 } 2928 2929 @Override 2930 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2931 // Do nothing. 2932 return false; 2933 } 2934 2935 @Override 2936 public void onLongPress(MotionEvent event) { 2937 if (mSelectedChip != null) { 2938 return; 2939 } 2940 float x = event.getX(); 2941 float y = event.getY(); 2942 final int offset = putOffsetInRange(x, y); 2943 DrawableRecipientChip currentChip = findChip(offset); 2944 if (currentChip != null) { 2945 if (mDragEnabled) { 2946 // Start drag-and-drop for the selected chip. 2947 startDrag(currentChip); 2948 } else { 2949 // Copy the selected chip email address. 2950 showCopyDialog(currentChip.getEntry().getDestination()); 2951 } 2952 } 2953 } 2954 2955 // The following methods are used to provide some functionality on older versions of Android 2956 // These methods were copied out of JB MR2's TextView 2957 ///////////////////////////////////////////////// 2958 private int supportGetOffsetForPosition(float x, float y) { 2959 if (getLayout() == null) return -1; 2960 final int line = supportGetLineAtCoordinate(y); 2961 final int offset = supportGetOffsetAtCoordinate(line, x); 2962 return offset; 2963 } 2964 2965 private float supportConvertToLocalHorizontalCoordinate(float x) { 2966 x -= getTotalPaddingLeft(); 2967 // Clamp the position to inside of the view. 2968 x = Math.max(0.0f, x); 2969 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2970 x += getScrollX(); 2971 return x; 2972 } 2973 2974 private int supportGetLineAtCoordinate(float y) { 2975 y -= getTotalPaddingLeft(); 2976 // Clamp the position to inside of the view. 2977 y = Math.max(0.0f, y); 2978 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2979 y += getScrollY(); 2980 return getLayout().getLineForVertical((int) y); 2981 } 2982 2983 private int supportGetOffsetAtCoordinate(int line, float x) { 2984 x = supportConvertToLocalHorizontalCoordinate(x); 2985 return getLayout().getOffsetForHorizontal(line, x); 2986 } 2987 ///////////////////////////////////////////////// 2988 2989 /** 2990 * Enables drag-and-drop for chips. 2991 */ 2992 public void enableDrag() { 2993 mDragEnabled = true; 2994 } 2995 2996 /** 2997 * Starts drag-and-drop for the selected chip. 2998 */ 2999 private void startDrag(DrawableRecipientChip currentChip) { 3000 String address = currentChip.getEntry().getDestination(); 3001 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 3002 3003 // Start drag mode. 3004 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 3005 3006 // Remove the current chip, so drag-and-drop will result in a move. 3007 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3008 removeChip(currentChip); 3009 } 3010 3011 /** 3012 * Handles drag event. 3013 */ 3014 @Override 3015 public boolean onDragEvent(DragEvent event) { 3016 switch (event.getAction()) { 3017 case DragEvent.ACTION_DRAG_STARTED: 3018 // Only handle plain text drag and drop. 3019 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3020 case DragEvent.ACTION_DRAG_ENTERED: 3021 requestFocus(); 3022 return true; 3023 case DragEvent.ACTION_DROP: 3024 handlePasteClip(event.getClipData()); 3025 return true; 3026 } 3027 return false; 3028 } 3029 3030 /** 3031 * Drag shadow for a {@link DrawableRecipientChip}. 3032 */ 3033 private final class RecipientChipShadow extends DragShadowBuilder { 3034 private final DrawableRecipientChip mChip; 3035 3036 public RecipientChipShadow(DrawableRecipientChip chip) { 3037 mChip = chip; 3038 } 3039 3040 @Override 3041 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3042 Rect rect = mChip.getBounds(); 3043 shadowSize.set(rect.width(), rect.height()); 3044 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3045 } 3046 3047 @Override 3048 public void onDrawShadow(Canvas canvas) { 3049 mChip.draw(canvas); 3050 } 3051 } 3052 3053 private void showCopyDialog(final String address) { 3054 if (!mAttachedToWindow) { 3055 return; 3056 } 3057 mCopyAddress = address; 3058 mCopyDialog.setTitle(address); 3059 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3060 mCopyDialog.setCancelable(true); 3061 mCopyDialog.setCanceledOnTouchOutside(true); 3062 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3063 button.setOnClickListener(this); 3064 int btnTitleId; 3065 if (isPhoneQuery()) { 3066 btnTitleId = R.string.copy_number; 3067 } else { 3068 btnTitleId = R.string.copy_email; 3069 } 3070 String buttonTitle = getContext().getResources().getString(btnTitleId); 3071 button.setText(buttonTitle); 3072 mCopyDialog.setOnDismissListener(this); 3073 mCopyDialog.show(); 3074 } 3075 3076 @Override 3077 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3078 // Do nothing. 3079 return false; 3080 } 3081 3082 @Override 3083 public void onShowPress(MotionEvent e) { 3084 // Do nothing. 3085 } 3086 3087 @Override 3088 public boolean onSingleTapUp(MotionEvent e) { 3089 // Do nothing. 3090 return false; 3091 } 3092 3093 @Override 3094 public void onDismiss(DialogInterface dialog) { 3095 mCopyAddress = null; 3096 } 3097 3098 @Override 3099 public void onClick(View v) { 3100 // Copy this to the clipboard. 3101 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3102 Context.CLIPBOARD_SERVICE); 3103 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3104 mCopyDialog.dismiss(); 3105 } 3106 3107 protected boolean isPhoneQuery() { 3108 return getAdapter() != null 3109 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3110 } 3111 3112 @Override 3113 public BaseRecipientAdapter getAdapter() { 3114 return (BaseRecipientAdapter) super.getAdapter(); 3115 } 3116 3117 /** 3118 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3119 * unfinished text at the end. 3120 */ 3121 public void appendRecipientEntry(final RecipientEntry entry) { 3122 clearComposingText(); 3123 3124 final Editable editable = getText(); 3125 int chipInsertionPoint = 0; 3126 3127 // Find the end of last chip and see if there's any unchipified text. 3128 final DrawableRecipientChip[] recips = getSortedRecipients(); 3129 if (recips != null && recips.length > 0) { 3130 final DrawableRecipientChip last = recips[recips.length - 1]; 3131 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3132 // the insertion point will be kept untouched. 3133 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3134 } 3135 3136 final CharSequence chip = createChip(entry, false); 3137 if (chip != null) { 3138 editable.insert(chipInsertionPoint, chip); 3139 } 3140 } 3141 3142 /** 3143 * Remove all chips matching the given RecipientEntry. 3144 */ 3145 public void removeRecipientEntry(final RecipientEntry entry) { 3146 final DrawableRecipientChip[] recips = getText() 3147 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3148 3149 for (final DrawableRecipientChip recipient : recips) { 3150 final RecipientEntry existingEntry = recipient.getEntry(); 3151 if (existingEntry != null && existingEntry.isValid() && 3152 existingEntry.isSamePerson(entry)) { 3153 removeChip(recipient); 3154 } 3155 } 3156 } 3157 3158 public void setAlternatePopupAnchor(View v) { 3159 mAlternatePopupAnchor = v; 3160 } 3161 3162 private static class ChipBitmapContainer { 3163 Bitmap bitmap; 3164 // information used for positioning the loaded icon 3165 boolean loadIcon = true; 3166 float left; 3167 float top; 3168 float right; 3169 float bottom; 3170 } 3171} 3172