RecipientEditTextView.java revision 1248e53bed1011088489b0d9adf17f5a05be8d78
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.Canvas; 32import android.graphics.Matrix; 33import android.graphics.Paint; 34import android.graphics.Point; 35import android.graphics.Rect; 36import android.graphics.RectF; 37import android.graphics.drawable.BitmapDrawable; 38import android.graphics.drawable.Drawable; 39import android.os.AsyncTask; 40import android.os.Build; 41import android.os.Handler; 42import android.os.Looper; 43import android.os.Message; 44import android.os.Parcelable; 45import android.text.Editable; 46import android.text.InputType; 47import android.text.Layout; 48import android.text.Spannable; 49import android.text.SpannableString; 50import android.text.SpannableStringBuilder; 51import android.text.Spanned; 52import android.text.TextPaint; 53import android.text.TextUtils; 54import android.text.TextWatcher; 55import android.text.method.QwertyKeyListener; 56import android.text.style.ImageSpan; 57import android.text.util.Rfc822Token; 58import android.text.util.Rfc822Tokenizer; 59import android.util.AttributeSet; 60import android.util.Log; 61import android.util.TypedValue; 62import android.view.ActionMode; 63import android.view.ActionMode.Callback; 64import android.view.DragEvent; 65import android.view.GestureDetector; 66import android.view.KeyEvent; 67import android.view.LayoutInflater; 68import android.view.Menu; 69import android.view.MenuItem; 70import android.view.MotionEvent; 71import android.view.View; 72import android.view.View.OnClickListener; 73import android.view.ViewParent; 74import android.view.inputmethod.EditorInfo; 75import android.view.inputmethod.InputConnection; 76import android.widget.AdapterView; 77import android.widget.AdapterView.OnItemClickListener; 78import android.widget.Button; 79import android.widget.Filterable; 80import android.widget.ListAdapter; 81import android.widget.ListPopupWindow; 82import android.widget.ListView; 83import android.widget.MultiAutoCompleteTextView; 84import android.widget.ScrollView; 85import android.widget.TextView; 86 87import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 88import com.android.ex.chips.recipientchip.DrawableRecipientChip; 89import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 90import com.android.ex.chips.recipientchip.VisibleRecipientChip; 91 92import java.util.ArrayList; 93import java.util.Arrays; 94import java.util.Collection; 95import java.util.Collections; 96import java.util.Comparator; 97import java.util.HashSet; 98import java.util.List; 99import java.util.Map; 100import java.util.Set; 101import java.util.regex.Matcher; 102import java.util.regex.Pattern; 103 104/** 105 * RecipientEditTextView is an auto complete text view for use with applications 106 * that use the new Chips UI for addressing a message to recipients. 107 */ 108public class RecipientEditTextView extends MultiAutoCompleteTextView implements 109 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 110 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 111 TextView.OnEditorActionListener { 112 113 private static final char COMMIT_CHAR_COMMA = ','; 114 115 private static final char COMMIT_CHAR_SEMICOLON = ';'; 116 117 private static final char COMMIT_CHAR_SPACE = ' '; 118 119 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 120 + String.valueOf(COMMIT_CHAR_SPACE); 121 122 private static final String TAG = "RecipientEditTextView"; 123 124 private static final int DISMISS = "dismiss".hashCode(); 125 126 private static final long DISMISS_DELAY = 300; 127 128 // TODO: get correct number/ algorithm from with UX. 129 // Visible for testing. 130 /*package*/ static final int CHIP_LIMIT = 2; 131 132 private static final int MAX_CHIPS_PARSED = 50; 133 134 private static int sSelectedTextColor = -1; 135 136 // Resources for displaying chips. 137 private Drawable mChipBackground = null; 138 139 private Drawable mChipDelete = null; 140 141 private Drawable mInvalidChipBackground; 142 143 private Drawable mChipBackgroundPressed; 144 145 private float mChipHeight; 146 147 private float mChipFontSize; 148 149 private float mLineSpacingExtra; 150 151 private int mChipPadding; 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 // VisibleForTesting 202 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 203 204 private ArrayList<DrawableRecipientChip> mRemovedSpans; 205 206 private boolean mShouldShrink = true; 207 208 // Chip copy fields. 209 private GestureDetector mGestureDetector; 210 211 private Dialog mCopyDialog; 212 213 private String mCopyAddress; 214 215 /** 216 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 217 * selected chip. 218 */ 219 private OnItemClickListener mAlternatesListener; 220 221 private int mCheckedItem; 222 223 private TextWatcher mTextWatcher; 224 225 // Obtain the enclosing scroll view, if it exists, so that the view can be 226 // scrolled to show the last line of chips content. 227 private ScrollView mScrollView; 228 229 private boolean mTriedGettingScrollView; 230 231 private boolean mDragEnabled = false; 232 233 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 234 // parens, so numbers such as "1 (425) 222-2342" match. 235 private static final Pattern PHONE_PATTERN 236 = Pattern.compile( // sdd = space, dot, or dash 237 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 238 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 239 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 240 241 private final Runnable mAddTextWatcher = new Runnable() { 242 @Override 243 public void run() { 244 if (mTextWatcher == null) { 245 mTextWatcher = new RecipientTextWatcher(); 246 addTextChangedListener(mTextWatcher); 247 } 248 } 249 }; 250 251 private IndividualReplacementTask mIndividualReplacements; 252 253 private Runnable mHandlePendingChips = new Runnable() { 254 255 @Override 256 public void run() { 257 handlePendingChips(); 258 } 259 260 }; 261 262 private Runnable mDelayedShrink = new Runnable() { 263 264 @Override 265 public void run() { 266 shrink(); 267 } 268 269 }; 270 271 private int mMaxLines; 272 273 private static int sExcessTopPadding = -1; 274 275 private int mActionBarHeight; 276 277 private boolean mAttachedToWindow; 278 279 private DropdownChipLayouter mDropdownChipLayouter; 280 281 public RecipientEditTextView(Context context, AttributeSet attrs) { 282 super(context, attrs); 283 setChipDimensions(context, attrs); 284 if (sSelectedTextColor == -1) { 285 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 286 } 287 mAlternatesPopup = new ListPopupWindow(context); 288 mAddressPopup = new ListPopupWindow(context); 289 mCopyDialog = new Dialog(context); 290 mAlternatesListener = new OnItemClickListener() { 291 @Override 292 public void onItemClick(AdapterView<?> adapterView,View view, int position, 293 long rowId) { 294 mAlternatesPopup.setOnItemClickListener(null); 295 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 296 .getRecipientEntry(position)); 297 Message delayed = Message.obtain(mHandler, DISMISS); 298 delayed.obj = mAlternatesPopup; 299 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 300 clearComposingText(); 301 } 302 }; 303 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 304 setOnItemClickListener(this); 305 setCustomSelectionActionModeCallback(this); 306 mHandler = new Handler() { 307 @Override 308 public void handleMessage(Message msg) { 309 if (msg.what == DISMISS) { 310 ((ListPopupWindow) msg.obj).dismiss(); 311 return; 312 } 313 super.handleMessage(msg); 314 } 315 }; 316 mTextWatcher = new RecipientTextWatcher(); 317 addTextChangedListener(mTextWatcher); 318 mGestureDetector = new GestureDetector(context, this); 319 setOnEditorActionListener(this); 320 321 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 322 } 323 324 protected void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 325 mDropdownChipLayouter = dropdownChipLayouter; 326 } 327 328 @Override 329 protected void onDetachedFromWindow() { 330 super.onDetachedFromWindow(); 331 mAttachedToWindow = false; 332 } 333 334 @Override 335 protected void onAttachedToWindow() { 336 super.onAttachedToWindow(); 337 mAttachedToWindow = true; 338 } 339 340 @Override 341 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 342 if (action == EditorInfo.IME_ACTION_DONE) { 343 if (commitDefault()) { 344 return true; 345 } 346 if (mSelectedChip != null) { 347 clearSelectedChip(); 348 return true; 349 } else if (focusNext()) { 350 return true; 351 } 352 } 353 return false; 354 } 355 356 @Override 357 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 358 InputConnection connection = super.onCreateInputConnection(outAttrs); 359 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 360 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 361 // clear the existing action 362 outAttrs.imeOptions ^= imeActions; 363 // set the DONE action 364 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 365 } 366 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 367 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 368 } 369 370 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 371 outAttrs.actionLabel = getContext().getString(R.string.done); 372 return connection; 373 } 374 375 /*package*/ DrawableRecipientChip getLastChip() { 376 DrawableRecipientChip last = null; 377 DrawableRecipientChip[] chips = getSortedRecipients(); 378 if (chips != null && chips.length > 0) { 379 last = chips[chips.length - 1]; 380 } 381 return last; 382 } 383 384 /** 385 * @return The list of {@link RecipientEntry}s that have been selected by the user. 386 */ 387 public List<RecipientEntry> getSelectedRecipients() { 388 DrawableRecipientChip[] chips = 389 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 390 List<RecipientEntry> results = new ArrayList(); 391 if (chips == null) { 392 return results; 393 } 394 395 for (DrawableRecipientChip c : chips) { 396 results.add(c.getEntry()); 397 } 398 399 return results; 400 } 401 402 @Override 403 public void onSelectionChanged(int start, int end) { 404 // When selection changes, see if it is inside the chips area. 405 // If so, move the cursor back after the chips again. 406 DrawableRecipientChip last = getLastChip(); 407 if (last != null && start < getSpannable().getSpanEnd(last)) { 408 // Grab the last chip and set the cursor to after it. 409 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 410 } 411 super.onSelectionChanged(start, end); 412 } 413 414 @Override 415 public void onRestoreInstanceState(Parcelable state) { 416 if (!TextUtils.isEmpty(getText())) { 417 super.onRestoreInstanceState(null); 418 } else { 419 super.onRestoreInstanceState(state); 420 } 421 } 422 423 @Override 424 public Parcelable onSaveInstanceState() { 425 // If the user changes orientation while they are editing, just roll back the selection. 426 clearSelectedChip(); 427 return super.onSaveInstanceState(); 428 } 429 430 /** 431 * Convenience method: Append the specified text slice to the TextView's 432 * display buffer, upgrading it to BufferType.EDITABLE if it was 433 * not already editable. Commas are excluded as they are added automatically 434 * by the view. 435 */ 436 @Override 437 public void append(CharSequence text, int start, int end) { 438 // We don't care about watching text changes while appending. 439 if (mTextWatcher != null) { 440 removeTextChangedListener(mTextWatcher); 441 } 442 super.append(text, start, end); 443 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 444 String displayString = text.toString(); 445 446 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 447 // We have no separator, so we should add it 448 super.append(SEPARATOR, 0, SEPARATOR.length()); 449 displayString += SEPARATOR; 450 } 451 452 if (!TextUtils.isEmpty(displayString) 453 && TextUtils.getTrimmedLength(displayString) > 0) { 454 mPendingChipsCount++; 455 mPendingChips.add(displayString); 456 } 457 } 458 // Put a message on the queue to make sure we ALWAYS handle pending 459 // chips. 460 if (mPendingChipsCount > 0) { 461 postHandlePendingChips(); 462 } 463 mHandler.post(mAddTextWatcher); 464 } 465 466 @Override 467 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 468 super.onFocusChanged(hasFocus, direction, previous); 469 if (!hasFocus) { 470 shrink(); 471 } else { 472 expand(); 473 } 474 } 475 476 private int getExcessTopPadding() { 477 if (sExcessTopPadding == -1) { 478 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 479 } 480 return sExcessTopPadding; 481 } 482 483 @Override 484 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 485 super.setAdapter(adapter); 486 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 487 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 488 @Override 489 public void onChanged(List<RecipientEntry> entries) { 490 // Scroll the chips field to the top of the screen so 491 // that the user can see as many results as possible. 492 if (entries != null && entries.size() > 0) { 493 scrollBottomIntoView(); 494 } 495 } 496 }); 497 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 498 } 499 500 protected void scrollBottomIntoView() { 501 if (mScrollView != null && mShouldShrink) { 502 int[] location = new int[2]; 503 getLocationOnScreen(location); 504 int height = getHeight(); 505 int currentPos = location[1] + height; 506 // Desired position shows at least 1 line of chips below the action 507 // bar. We add excess padding to make sure this is always below other 508 // content. 509 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 510 if (currentPos > desiredPos) { 511 mScrollView.scrollBy(0, currentPos - desiredPos); 512 } 513 } 514 } 515 516 protected ScrollView getScrollView() { 517 return mScrollView; 518 } 519 520 @Override 521 public void performValidation() { 522 // Do nothing. Chips handles its own validation. 523 } 524 525 private void shrink() { 526 if (mTokenizer == null) { 527 return; 528 } 529 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 530 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 531 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 532 clearSelectedChip(); 533 } else { 534 if (getWidth() <= 0) { 535 // We don't have the width yet which means the view hasn't been drawn yet 536 // and there is no reason to attempt to commit chips yet. 537 // This focus lost must be the result of an orientation change 538 // or an initial rendering. 539 // Re-post the shrink for later. 540 mHandler.removeCallbacks(mDelayedShrink); 541 mHandler.post(mDelayedShrink); 542 return; 543 } 544 // Reset any pending chips as they would have been handled 545 // when the field lost focus. 546 if (mPendingChipsCount > 0) { 547 postHandlePendingChips(); 548 } else { 549 Editable editable = getText(); 550 int end = getSelectionEnd(); 551 int start = mTokenizer.findTokenStart(editable, end); 552 DrawableRecipientChip[] chips = 553 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 554 if ((chips == null || chips.length == 0)) { 555 Editable text = getText(); 556 int whatEnd = mTokenizer.findTokenEnd(text, start); 557 // This token was already tokenized, so skip past the ending token. 558 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 559 whatEnd = movePastTerminators(whatEnd); 560 } 561 // In the middle of chip; treat this as an edit 562 // and commit the whole token. 563 int selEnd = getSelectionEnd(); 564 if (whatEnd != selEnd) { 565 handleEdit(start, whatEnd); 566 } else { 567 commitChip(start, end, editable); 568 } 569 } 570 } 571 mHandler.post(mAddTextWatcher); 572 } 573 createMoreChip(); 574 } 575 576 private void expand() { 577 if (mShouldShrink) { 578 setMaxLines(Integer.MAX_VALUE); 579 } 580 removeMoreChip(); 581 setCursorVisible(true); 582 Editable text = getText(); 583 setSelection(text != null && text.length() > 0 ? text.length() : 0); 584 // If there are any temporary chips, try replacing them now that the user 585 // has expanded the field. 586 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 587 new RecipientReplacementTask().execute(); 588 mTemporaryRecipients = null; 589 } 590 } 591 592 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 593 paint.setTextSize(mChipFontSize); 594 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 595 Log.d(TAG, "Max width is negative: " + maxWidth); 596 } 597 return TextUtils.ellipsize(text, paint, maxWidth, 598 TextUtils.TruncateAt.END); 599 } 600 601 /** 602 * Creates a bitmap of the given contact on a selected chip. 603 * 604 * @param contact The recipient entry to pull data from. 605 * @param paint The paint to use to draw the bitmap. 606 */ 607 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 608 paint.setColor(sSelectedTextColor); 609 Bitmap photo; 610 if (mDisableDelete) { 611 // Show the avatar instead if we don't want to delete 612 photo = getAvatarIcon(contact); 613 } else { 614 photo = ((BitmapDrawable) mChipDelete).getBitmap(); 615 } 616 return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); 617 } 618 619 /** 620 * Creates a bitmap of the given contact on a selected chip. 621 * 622 * @param contact The recipient entry to pull data from. 623 * @param paint The paint to use to draw the bitmap. 624 */ 625 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 626 Drawable background = getChipBackground(contact); 627 Bitmap photo = getAvatarIcon(contact); 628 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 629 return createChipBitmap(contact, paint, photo, background); 630 } 631 632 private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint, Bitmap icon, 633 Drawable background) { 634 if (background == null) { 635 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 636 return Bitmap.createBitmap( 637 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 638 } 639 640 Rect backgroundPadding = new Rect(); 641 background.getPadding(backgroundPadding); 642 643 // Ellipsize the text so that it takes AT MOST the entire width of the 644 // autocomplete text entry area. Make sure to leave space for padding 645 // on the sides. 646 int height = (int) mChipHeight; 647 // Since the icon is a square, it's width is equal to the maximum height it can be inside 648 // the chip. 649 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 650 float[] widths = new float[1]; 651 paint.getTextWidths(" ", widths); 652 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 653 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 654 - backgroundPadding.right);; 655 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 656 657 // Make sure there is a minimum chip width so the user can ALWAYS 658 // tap a chip without difficulty. 659 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 660 + backgroundPadding.left + backgroundPadding.right); 661 662 // Create the background of the chip. 663 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 664 Canvas canvas = new Canvas(tmpBitmap); 665 666 // Draw the background drawable 667 background.setBounds(0, 0, width, height); 668 background.draw(canvas); 669 // Draw the text vertically aligned 670 int textX = shouldPositionAvatarOnRight() ? 671 mChipPadding + backgroundPadding.left : 672 width - backgroundPadding.right - mChipPadding - textWidth; 673 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 674 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 675 if (icon != null) { 676 // Draw the icon 677 int iconX = shouldPositionAvatarOnRight() ? 678 width - backgroundPadding.right - iconWidth : 679 backgroundPadding.left; 680 RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 681 RectF dst = new RectF(iconX, 682 0 + backgroundPadding.top, 683 iconX + iconWidth, 684 height - backgroundPadding.bottom); 685 drawIconOnCanvas(icon, canvas, paint, src, dst); 686 } 687 return tmpBitmap; 688 } 689 690 /** 691 * Returns true if the avatar should be positioned at the right edge of the chip. 692 * Takes into account both the set avatar position (start or end) as well as whether 693 * the layout direction is LTR or RTL. 694 */ 695 private boolean shouldPositionAvatarOnRight() { 696 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 697 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 698 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 699 // If in Rtl mode, the position should be flipped. 700 return isRtl ? !assignedPosition : assignedPosition; 701 } 702 703 /** 704 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 705 * draw an icon for this recipient. 706 */ 707 private Bitmap getAvatarIcon(RecipientEntry contact) { 708 // Don't draw photos for recipients that have been typed in OR generated on the fly. 709 long contactId = contact.getContactId(); 710 boolean drawPhotos = isPhoneQuery() ? 711 contactId != RecipientEntry.INVALID_CONTACT 712 : (contactId != RecipientEntry.INVALID_CONTACT 713 && (contactId != RecipientEntry.GENERATED_CONTACT && 714 !TextUtils.isEmpty(contact.getDisplayName()))); 715 716 if (drawPhotos) { 717 byte[] photoBytes = contact.getPhotoBytes(); 718 // There may not be a photo yet if anything but the first contact address 719 // was selected. 720 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 721 // TODO: cache this in the recipient entry? 722 getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); 723 photoBytes = contact.getPhotoBytes(); 724 } 725 if (photoBytes != null) { 726 return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 727 } else { 728 // TODO: can the scaled down default photo be cached? 729 return mDefaultContactPhoto; 730 } 731 } 732 733 return null; 734 } 735 736 /** 737 * Get the background drawable for a RecipientChip. 738 */ 739 // Visible for testing. 740 /* package */Drawable getChipBackground(RecipientEntry contact) { 741 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 742 } 743 744 /** 745 * Given a height, returns a Y offset that will draw the text in the middle of the height. 746 */ 747 protected float getTextYOffset(String text, TextPaint paint, int height) { 748 Rect bounds = new Rect(); 749 paint.getTextBounds(text, 0, text.length(), bounds); 750 int textHeight = bounds.bottom - bounds.top ; 751 return height - ((height - textHeight) / 2) - (int)paint.descent(); 752 } 753 754 /** 755 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 756 * rectangle of the canvas. 757 */ 758 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 759 Matrix matrix = new Matrix(); 760 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 761 canvas.drawBitmap(icon, matrix, paint); 762 } 763 764 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 765 throws NullPointerException { 766 if (mChipBackground == null) { 767 throw new NullPointerException( 768 "Unable to render any chips as setChipDimensions was not called."); 769 } 770 771 TextPaint paint = getPaint(); 772 float defaultSize = paint.getTextSize(); 773 int defaultColor = paint.getColor(); 774 775 Bitmap tmpBitmap; 776 if (pressed) { 777 tmpBitmap = createSelectedChip(contact, paint); 778 779 } else { 780 tmpBitmap = createUnselectedChip(contact, paint); 781 } 782 783 // Pass the full text, un-ellipsized, to the chip. 784 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 785 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 786 DrawableRecipientChip recipientChip = 787 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 788 // Return text to the original size. 789 paint.setTextSize(defaultSize); 790 paint.setColor(defaultColor); 791 return recipientChip; 792 } 793 794 private int getImageSpanAlignment() { 795 switch (mImageSpanAlignment) { 796 case IMAGE_SPAN_ALIGNMENT_BASELINE: 797 return ImageSpan.ALIGN_BASELINE; 798 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 799 return ImageSpan.ALIGN_BOTTOM; 800 default: 801 return ImageSpan.ALIGN_BOTTOM; 802 } 803 } 804 805 /** 806 * Calculate the bottom of the line the chip will be located on using: 807 * 1) which line the chip appears on 808 * 2) the height of a chip 809 * 3) padding built into the edit text view 810 */ 811 private int calculateOffsetFromBottom(int line) { 812 // Line offsets start at zero. 813 int actualLine = getLineCount() - (line + 1); 814 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 815 + getDropDownVerticalOffset(); 816 } 817 818 /** 819 * Get the max amount of space a chip can take up. The formula takes into 820 * account the width of the EditTextView, any view padding, and padding 821 * that will be added to the chip. 822 */ 823 private float calculateAvailableWidth() { 824 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 825 } 826 827 828 private void setChipDimensions(Context context, AttributeSet attrs) { 829 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 830 0); 831 Resources r = getContext().getResources(); 832 833 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 834 if (mChipBackground == null) { 835 mChipBackground = r.getDrawable(R.drawable.chip_background); 836 } 837 mChipBackgroundPressed = a 838 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 839 if (mChipBackgroundPressed == null) { 840 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 841 } 842 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 843 if (mChipDelete == null) { 844 mChipDelete = r.getDrawable(R.drawable.chip_delete); 845 } 846 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 847 if (mChipPadding == -1) { 848 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 849 } 850 851 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 852 853 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 854 855 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 856 if (mChipHeight == -1) { 857 mChipHeight = r.getDimension(R.dimen.chip_height); 858 } 859 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 860 if (mChipFontSize == -1) { 861 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 862 } 863 mInvalidChipBackground = a 864 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 865 if (mInvalidChipBackground == null) { 866 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 867 } 868 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 869 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 870 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 871 872 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 873 mMaxLines = r.getInteger(R.integer.chips_max_lines); 874 TypedValue tv = new TypedValue(); 875 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 876 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 877 .getDisplayMetrics()); 878 } 879 880 a.recycle(); 881 } 882 883 // Visible for testing. 884 /* package */ void setMoreItem(TextView moreItem) { 885 mMoreItem = moreItem; 886 } 887 888 889 // Visible for testing. 890 /* package */ void setChipBackground(Drawable chipBackground) { 891 mChipBackground = chipBackground; 892 } 893 894 // Visible for testing. 895 /* package */ void setChipHeight(int height) { 896 mChipHeight = height; 897 } 898 899 public float getChipHeight() { 900 return mChipHeight; 901 } 902 903 /** 904 * Set whether to shrink the recipients field such that at most 905 * one line of recipients chips are shown when the field loses 906 * focus. By default, the number of displayed recipients will be 907 * limited and a "more" chip will be shown when focus is lost. 908 * @param shrink 909 */ 910 public void setOnFocusListShrinkRecipients(boolean shrink) { 911 mShouldShrink = shrink; 912 } 913 914 @Override 915 public void onSizeChanged(int width, int height, int oldw, int oldh) { 916 super.onSizeChanged(width, height, oldw, oldh); 917 if (width != 0 && height != 0) { 918 if (mPendingChipsCount > 0) { 919 postHandlePendingChips(); 920 } else { 921 checkChipWidths(); 922 } 923 } 924 // Try to find the scroll view parent, if it exists. 925 if (mScrollView == null && !mTriedGettingScrollView) { 926 ViewParent parent = getParent(); 927 while (parent != null && !(parent instanceof ScrollView)) { 928 parent = parent.getParent(); 929 } 930 if (parent != null) { 931 mScrollView = (ScrollView) parent; 932 } 933 mTriedGettingScrollView = true; 934 } 935 } 936 937 private void postHandlePendingChips() { 938 mHandler.removeCallbacks(mHandlePendingChips); 939 mHandler.post(mHandlePendingChips); 940 } 941 942 private void checkChipWidths() { 943 // Check the widths of the associated chips. 944 DrawableRecipientChip[] chips = getSortedRecipients(); 945 if (chips != null) { 946 Rect bounds; 947 for (DrawableRecipientChip chip : chips) { 948 bounds = chip.getBounds(); 949 if (getWidth() > 0 && bounds.right - bounds.left > 950 getWidth() - getPaddingLeft() - getPaddingRight()) { 951 // Need to redraw that chip. 952 replaceChip(chip, chip.getEntry()); 953 } 954 } 955 } 956 } 957 958 // Visible for testing. 959 /*package*/ void handlePendingChips() { 960 if (getViewWidth() <= 0) { 961 // The widget has not been sized yet. 962 // This will be called as a result of onSizeChanged 963 // at a later point. 964 return; 965 } 966 if (mPendingChipsCount <= 0) { 967 return; 968 } 969 970 synchronized (mPendingChips) { 971 Editable editable = getText(); 972 // Tokenize! 973 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 974 for (int i = 0; i < mPendingChips.size(); i++) { 975 String current = mPendingChips.get(i); 976 int tokenStart = editable.toString().indexOf(current); 977 // Always leave a space at the end between tokens. 978 int tokenEnd = tokenStart + current.length() - 1; 979 if (tokenStart >= 0) { 980 // When we have a valid token, include it with the token 981 // to the left. 982 if (tokenEnd < editable.length() - 2 983 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 984 tokenEnd++; 985 } 986 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 987 || !mShouldShrink); 988 } 989 mPendingChipsCount--; 990 } 991 sanitizeEnd(); 992 } else { 993 mNoChips = true; 994 } 995 996 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 997 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 998 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 999 new RecipientReplacementTask().execute(); 1000 mTemporaryRecipients = null; 1001 } else { 1002 // Create the "more" chip 1003 mIndividualReplacements = new IndividualReplacementTask(); 1004 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1005 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1006 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1007 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1008 mTemporaryRecipients.subList(CHIP_LIMIT, 1009 mTemporaryRecipients.size())); 1010 } else { 1011 mTemporaryRecipients = null; 1012 } 1013 createMoreChip(); 1014 } 1015 } else { 1016 // There are too many recipients to look up, so just fall back 1017 // to showing addresses for all of them. 1018 mTemporaryRecipients = null; 1019 createMoreChip(); 1020 } 1021 mPendingChipsCount = 0; 1022 mPendingChips.clear(); 1023 } 1024 } 1025 1026 // Visible for testing. 1027 /*package*/ int getViewWidth() { 1028 return getWidth(); 1029 } 1030 1031 /** 1032 * Remove any characters after the last valid chip. 1033 */ 1034 // Visible for testing. 1035 /*package*/ void sanitizeEnd() { 1036 // Don't sanitize while we are waiting for pending chips to complete. 1037 if (mPendingChipsCount > 0) { 1038 return; 1039 } 1040 // Find the last chip; eliminate any commit characters after it. 1041 DrawableRecipientChip[] chips = getSortedRecipients(); 1042 Spannable spannable = getSpannable(); 1043 if (chips != null && chips.length > 0) { 1044 int end; 1045 mMoreChip = getMoreChip(); 1046 if (mMoreChip != null) { 1047 end = spannable.getSpanEnd(mMoreChip); 1048 } else { 1049 end = getSpannable().getSpanEnd(getLastChip()); 1050 } 1051 Editable editable = getText(); 1052 int length = editable.length(); 1053 if (length > end) { 1054 // See what characters occur after that and eliminate them. 1055 if (Log.isLoggable(TAG, Log.DEBUG)) { 1056 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1057 + editable); 1058 } 1059 editable.delete(end + 1, length); 1060 } 1061 } 1062 } 1063 1064 /** 1065 * Create a chip that represents just the email address of a recipient. At some later 1066 * point, this chip will be attached to a real contact entry, if one exists. 1067 */ 1068 // VisibleForTesting 1069 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1070 boolean visible) { 1071 if (alreadyHasChip(tokenStart, tokenEnd)) { 1072 // There is already a chip present at this location. 1073 // Don't recreate it. 1074 return; 1075 } 1076 String token = editable.toString().substring(tokenStart, tokenEnd); 1077 final String trimmedToken = token.trim(); 1078 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1079 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1080 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1081 } 1082 RecipientEntry entry = createTokenizedEntry(token); 1083 if (entry != null) { 1084 DrawableRecipientChip chip = null; 1085 try { 1086 if (!mNoChips) { 1087 chip = visible ? 1088 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1089 } 1090 } catch (NullPointerException e) { 1091 Log.e(TAG, e.getMessage(), e); 1092 } 1093 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1094 // Add this chip to the list of entries "to replace" 1095 if (chip != null) { 1096 if (mTemporaryRecipients == null) { 1097 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1098 } 1099 chip.setOriginalText(token); 1100 mTemporaryRecipients.add(chip); 1101 } 1102 } 1103 } 1104 1105 private static boolean isPhoneNumber(String number) { 1106 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1107 // PhoneNumberUtil). One complication is that it requires the sender's region which 1108 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1109 if (TextUtils.isEmpty(number)) { 1110 return false; 1111 } 1112 1113 Matcher match = PHONE_PATTERN.matcher(number); 1114 return match.matches(); 1115 } 1116 1117 // VisibleForTesting 1118 RecipientEntry createTokenizedEntry(final String token) { 1119 if (TextUtils.isEmpty(token)) { 1120 return null; 1121 } 1122 if (isPhoneQuery() && isPhoneNumber(token)) { 1123 return RecipientEntry.constructFakePhoneEntry(token, true); 1124 } 1125 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1126 String display = null; 1127 boolean isValid = isValid(token); 1128 if (isValid && tokens != null && tokens.length > 0) { 1129 // If we can get a name from tokenizing, then generate an entry from 1130 // this. 1131 display = tokens[0].getName(); 1132 if (!TextUtils.isEmpty(display)) { 1133 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1134 isValid); 1135 } else { 1136 display = tokens[0].getAddress(); 1137 if (!TextUtils.isEmpty(display)) { 1138 return RecipientEntry.constructFakeEntry(display, isValid); 1139 } 1140 } 1141 } 1142 // Unable to validate the token or to create a valid token from it. 1143 // Just create a chip the user can edit. 1144 String validatedToken = null; 1145 if (mValidator != null && !isValid) { 1146 // Try fixing up the entry using the validator. 1147 validatedToken = mValidator.fixText(token).toString(); 1148 if (!TextUtils.isEmpty(validatedToken)) { 1149 if (validatedToken.contains(token)) { 1150 // protect against the case of a validator with a null 1151 // domain, 1152 // which doesn't add a domain to the token 1153 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1154 if (tokenized.length > 0) { 1155 validatedToken = tokenized[0].getAddress(); 1156 isValid = true; 1157 } 1158 } else { 1159 // We ran into a case where the token was invalid and 1160 // removed 1161 // by the validator. In this case, just use the original 1162 // token 1163 // and let the user sort out the error chip. 1164 validatedToken = null; 1165 isValid = false; 1166 } 1167 } 1168 } 1169 // Otherwise, fallback to just creating an editable email address chip. 1170 return RecipientEntry.constructFakeEntry( 1171 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1172 } 1173 1174 private boolean isValid(String text) { 1175 return mValidator == null ? true : mValidator.isValid(text); 1176 } 1177 1178 private static String tokenizeAddress(String destination) { 1179 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1180 if (tokens != null && tokens.length > 0) { 1181 return tokens[0].getAddress(); 1182 } 1183 return destination; 1184 } 1185 1186 @Override 1187 public void setTokenizer(Tokenizer tokenizer) { 1188 mTokenizer = tokenizer; 1189 super.setTokenizer(mTokenizer); 1190 } 1191 1192 @Override 1193 public void setValidator(Validator validator) { 1194 mValidator = validator; 1195 super.setValidator(validator); 1196 } 1197 1198 /** 1199 * We cannot use the default mechanism for replaceText. Instead, 1200 * we override onItemClickListener so we can get all the associated 1201 * contact information including display text, address, and id. 1202 */ 1203 @Override 1204 protected void replaceText(CharSequence text) { 1205 return; 1206 } 1207 1208 /** 1209 * Dismiss any selected chips when the back key is pressed. 1210 */ 1211 @Override 1212 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1213 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1214 clearSelectedChip(); 1215 return true; 1216 } 1217 return super.onKeyPreIme(keyCode, event); 1218 } 1219 1220 /** 1221 * Monitor key presses in this view to see if the user types 1222 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1223 * If the user has entered text that has contact matches and types 1224 * a commit key, create a chip from the topmost matching contact. 1225 * If the user has entered text that has no contact matches and types 1226 * a commit key, then create a chip from the text they have entered. 1227 */ 1228 @Override 1229 public boolean onKeyUp(int keyCode, KeyEvent event) { 1230 switch (keyCode) { 1231 case KeyEvent.KEYCODE_TAB: 1232 if (event.hasNoModifiers()) { 1233 if (mSelectedChip != null) { 1234 clearSelectedChip(); 1235 } else { 1236 commitDefault(); 1237 } 1238 } 1239 break; 1240 } 1241 return super.onKeyUp(keyCode, event); 1242 } 1243 1244 private boolean focusNext() { 1245 View next = focusSearch(View.FOCUS_DOWN); 1246 if (next != null) { 1247 next.requestFocus(); 1248 return true; 1249 } 1250 return false; 1251 } 1252 1253 /** 1254 * Create a chip from the default selection. If the popup is showing, the 1255 * default is the selected item (if one is selected), or the first item, in the popup 1256 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1257 * tokenizer should search for a token to turn into a chip. 1258 * @return If a chip was created from a real contact. 1259 */ 1260 private boolean commitDefault() { 1261 // If there is no tokenizer, don't try to commit. 1262 if (mTokenizer == null) { 1263 return false; 1264 } 1265 Editable editable = getText(); 1266 int end = getSelectionEnd(); 1267 int start = mTokenizer.findTokenStart(editable, end); 1268 1269 if (shouldCreateChip(start, end)) { 1270 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1271 // In the middle of chip; treat this as an edit 1272 // and commit the whole token. 1273 whatEnd = movePastTerminators(whatEnd); 1274 if (whatEnd != getSelectionEnd()) { 1275 handleEdit(start, whatEnd); 1276 return true; 1277 } 1278 return commitChip(start, end , editable); 1279 } 1280 return false; 1281 } 1282 1283 private void commitByCharacter() { 1284 // We can't possibly commit by character if we can't tokenize. 1285 if (mTokenizer == null) { 1286 return; 1287 } 1288 Editable editable = getText(); 1289 int end = getSelectionEnd(); 1290 int start = mTokenizer.findTokenStart(editable, end); 1291 if (shouldCreateChip(start, end)) { 1292 commitChip(start, end, editable); 1293 } 1294 setSelection(getText().length()); 1295 } 1296 1297 private boolean commitChip(int start, int end, Editable editable) { 1298 ListAdapter adapter = getAdapter(); 1299 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1300 && end == getSelectionEnd() && !isPhoneQuery()) { 1301 // let's choose the selected or first entry if only the input text is NOT an email 1302 // address so we won't try to replace the user's potentially correct but 1303 // new/unencountered email input 1304 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1305 final int selectedPosition = getListSelection(); 1306 if (selectedPosition == -1) { 1307 // Nothing is selected; use the first item 1308 submitItemAtPosition(0); 1309 } else { 1310 submitItemAtPosition(selectedPosition); 1311 } 1312 } 1313 dismissDropDown(); 1314 return true; 1315 } else { 1316 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1317 if (editable.length() > tokenEnd + 1) { 1318 char charAt = editable.charAt(tokenEnd + 1); 1319 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1320 tokenEnd++; 1321 } 1322 } 1323 String text = editable.toString().substring(start, tokenEnd).trim(); 1324 clearComposingText(); 1325 if (text != null && text.length() > 0 && !text.equals(" ")) { 1326 RecipientEntry entry = createTokenizedEntry(text); 1327 if (entry != null) { 1328 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1329 CharSequence chipText = createChip(entry, false); 1330 if (chipText != null && start > -1 && end > -1) { 1331 editable.replace(start, end, chipText); 1332 } 1333 } 1334 // Only dismiss the dropdown if it is related to the text we 1335 // just committed. 1336 // For paste, it may not be as there are possibly multiple 1337 // tokens being added. 1338 if (end == getSelectionEnd()) { 1339 dismissDropDown(); 1340 } 1341 sanitizeBetween(); 1342 return true; 1343 } 1344 } 1345 return false; 1346 } 1347 1348 // Visible for testing. 1349 /* package */ void sanitizeBetween() { 1350 // Don't sanitize while we are waiting for content to chipify. 1351 if (mPendingChipsCount > 0) { 1352 return; 1353 } 1354 // Find the last chip. 1355 DrawableRecipientChip[] recips = getSortedRecipients(); 1356 if (recips != null && recips.length > 0) { 1357 DrawableRecipientChip last = recips[recips.length - 1]; 1358 DrawableRecipientChip beforeLast = null; 1359 if (recips.length > 1) { 1360 beforeLast = recips[recips.length - 2]; 1361 } 1362 int startLooking = 0; 1363 int end = getSpannable().getSpanStart(last); 1364 if (beforeLast != null) { 1365 startLooking = getSpannable().getSpanEnd(beforeLast); 1366 Editable text = getText(); 1367 if (startLooking == -1 || startLooking > text.length() - 1) { 1368 // There is nothing after this chip. 1369 return; 1370 } 1371 if (text.charAt(startLooking) == ' ') { 1372 startLooking++; 1373 } 1374 } 1375 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1376 getText().delete(startLooking, end); 1377 } 1378 } 1379 } 1380 1381 private boolean shouldCreateChip(int start, int end) { 1382 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1383 } 1384 1385 private boolean alreadyHasChip(int start, int end) { 1386 if (mNoChips) { 1387 return true; 1388 } 1389 DrawableRecipientChip[] chips = 1390 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1391 if ((chips == null || chips.length == 0)) { 1392 return false; 1393 } 1394 return true; 1395 } 1396 1397 private void handleEdit(int start, int end) { 1398 if (start == -1 || end == -1) { 1399 // This chip no longer exists in the field. 1400 dismissDropDown(); 1401 return; 1402 } 1403 // This is in the middle of a chip, so select out the whole chip 1404 // and commit it. 1405 Editable editable = getText(); 1406 setSelection(end); 1407 String text = getText().toString().substring(start, end); 1408 if (!TextUtils.isEmpty(text)) { 1409 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1410 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1411 CharSequence chipText = createChip(entry, false); 1412 int selEnd = getSelectionEnd(); 1413 if (chipText != null && start > -1 && selEnd > -1) { 1414 editable.replace(start, selEnd, chipText); 1415 } 1416 } 1417 dismissDropDown(); 1418 } 1419 1420 /** 1421 * If there is a selected chip, delegate the key events 1422 * to the selected chip. 1423 */ 1424 @Override 1425 public boolean onKeyDown(int keyCode, KeyEvent event) { 1426 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1427 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1428 mAlternatesPopup.dismiss(); 1429 } 1430 removeChip(mSelectedChip); 1431 } 1432 1433 switch (keyCode) { 1434 case KeyEvent.KEYCODE_ENTER: 1435 case KeyEvent.KEYCODE_DPAD_CENTER: 1436 if (event.hasNoModifiers()) { 1437 if (commitDefault()) { 1438 return true; 1439 } 1440 if (mSelectedChip != null) { 1441 clearSelectedChip(); 1442 return true; 1443 } else if (focusNext()) { 1444 return true; 1445 } 1446 } 1447 break; 1448 } 1449 1450 return super.onKeyDown(keyCode, event); 1451 } 1452 1453 // Visible for testing. 1454 /* package */ Spannable getSpannable() { 1455 return getText(); 1456 } 1457 1458 private int getChipStart(DrawableRecipientChip chip) { 1459 return getSpannable().getSpanStart(chip); 1460 } 1461 1462 private int getChipEnd(DrawableRecipientChip chip) { 1463 return getSpannable().getSpanEnd(chip); 1464 } 1465 1466 /** 1467 * Instead of filtering on the entire contents of the edit box, 1468 * this subclass method filters on the range from 1469 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1470 * if the length of that range meets or exceeds {@link #getThreshold} 1471 * and makes sure that the range is not already a Chip. 1472 */ 1473 @Override 1474 protected void performFiltering(CharSequence text, int keyCode) { 1475 boolean isCompletedToken = isCompletedToken(text); 1476 if (enoughToFilter() && !isCompletedToken) { 1477 int end = getSelectionEnd(); 1478 int start = mTokenizer.findTokenStart(text, end); 1479 // If this is a RecipientChip, don't filter 1480 // on its contents. 1481 Spannable span = getSpannable(); 1482 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1483 if (chips != null && chips.length > 0) { 1484 dismissDropDown(); 1485 return; 1486 } 1487 } else if (isCompletedToken) { 1488 dismissDropDown(); 1489 return; 1490 } 1491 super.performFiltering(text, keyCode); 1492 } 1493 1494 // Visible for testing. 1495 /*package*/ boolean isCompletedToken(CharSequence text) { 1496 if (TextUtils.isEmpty(text)) { 1497 return false; 1498 } 1499 // Check to see if this is a completed token before filtering. 1500 int end = text.length(); 1501 int start = mTokenizer.findTokenStart(text, end); 1502 String token = text.toString().substring(start, end).trim(); 1503 if (!TextUtils.isEmpty(token)) { 1504 char atEnd = token.charAt(token.length() - 1); 1505 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1506 } 1507 return false; 1508 } 1509 1510 private void clearSelectedChip() { 1511 if (mSelectedChip != null) { 1512 unselectChip(mSelectedChip); 1513 mSelectedChip = null; 1514 } 1515 setCursorVisible(true); 1516 } 1517 1518 /** 1519 * Monitor touch events in the RecipientEditTextView. 1520 * If the view does not have focus, any tap on the view 1521 * will just focus the view. If the view has focus, determine 1522 * if the touch target is a recipient chip. If it is and the chip 1523 * is not selected, select it and clear any other selected chips. 1524 * If it isn't, then select that chip. 1525 */ 1526 @Override 1527 public boolean onTouchEvent(MotionEvent event) { 1528 if (!isFocused()) { 1529 // Ignore any chip taps until this view is focused. 1530 return super.onTouchEvent(event); 1531 } 1532 boolean handled = super.onTouchEvent(event); 1533 int action = event.getAction(); 1534 boolean chipWasSelected = false; 1535 if (mSelectedChip == null) { 1536 mGestureDetector.onTouchEvent(event); 1537 } 1538 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1539 float x = event.getX(); 1540 float y = event.getY(); 1541 int offset = putOffsetInRange(x, y); 1542 DrawableRecipientChip currentChip = findChip(offset); 1543 if (currentChip != null) { 1544 if (action == MotionEvent.ACTION_UP) { 1545 if (mSelectedChip != null && mSelectedChip != currentChip) { 1546 clearSelectedChip(); 1547 mSelectedChip = selectChip(currentChip); 1548 } else if (mSelectedChip == null) { 1549 setSelection(getText().length()); 1550 commitDefault(); 1551 mSelectedChip = selectChip(currentChip); 1552 } else { 1553 onClick(mSelectedChip, offset, x, y); 1554 } 1555 } 1556 chipWasSelected = true; 1557 handled = true; 1558 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1559 chipWasSelected = true; 1560 } 1561 } 1562 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1563 clearSelectedChip(); 1564 } 1565 return handled; 1566 } 1567 1568 private void scrollLineIntoView(int line) { 1569 if (mScrollView != null) { 1570 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1571 } 1572 } 1573 1574 private void showAlternates(final DrawableRecipientChip currentChip, 1575 final ListPopupWindow alternatesPopup, final int width) { 1576 new AsyncTask<Void, Void, ListAdapter>() { 1577 @Override 1578 protected ListAdapter doInBackground(final Void... params) { 1579 return createAlternatesAdapter(currentChip); 1580 } 1581 1582 @Override 1583 protected void onPostExecute(final ListAdapter result) { 1584 if (!mAttachedToWindow) { 1585 return; 1586 } 1587 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1588 int bottom; 1589 if (line == getLineCount() -1) { 1590 bottom = 0; 1591 } else { 1592 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1593 .abs(getLineCount() - 1 - line))); 1594 } 1595 // Align the alternates popup with the left side of the View, 1596 // regardless of the position of the chip tapped. 1597 alternatesPopup.setWidth(width); 1598 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1599 alternatesPopup.setVerticalOffset(bottom); 1600 alternatesPopup.setAdapter(result); 1601 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1602 // Clear the checked item. 1603 mCheckedItem = -1; 1604 alternatesPopup.show(); 1605 ListView listView = alternatesPopup.getListView(); 1606 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1607 // Checked item would be -1 if the adapter has not 1608 // loaded the view that should be checked yet. The 1609 // variable will be set correctly when onCheckedItemChanged 1610 // is called in a separate thread. 1611 if (mCheckedItem != -1) { 1612 listView.setItemChecked(mCheckedItem, true); 1613 mCheckedItem = -1; 1614 } 1615 } 1616 }.execute((Void[]) null); 1617 } 1618 1619 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1620 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1621 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1622 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1623 } 1624 1625 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1626 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1627 mDropdownChipLayouter); 1628 } 1629 1630 @Override 1631 public void onCheckedItemChanged(int position) { 1632 ListView listView = mAlternatesPopup.getListView(); 1633 if (listView != null && listView.getCheckedItemCount() == 0) { 1634 listView.setItemChecked(position, true); 1635 } 1636 mCheckedItem = position; 1637 } 1638 1639 private int putOffsetInRange(final float x, final float y) { 1640 final int offset; 1641 1642 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1643 offset = getOffsetForPosition(x, y); 1644 } else { 1645 offset = supportGetOffsetForPosition(x, y); 1646 } 1647 1648 return putOffsetInRange(offset); 1649 } 1650 1651 // TODO: This algorithm will need a lot of tweaking after more people have used 1652 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1653 // what comes before the finger. 1654 private int putOffsetInRange(int o) { 1655 int offset = o; 1656 Editable text = getText(); 1657 int length = text.length(); 1658 // Remove whitespace from end to find "real end" 1659 int realLength = length; 1660 for (int i = length - 1; i >= 0; i--) { 1661 if (text.charAt(i) == ' ') { 1662 realLength--; 1663 } else { 1664 break; 1665 } 1666 } 1667 1668 // If the offset is beyond or at the end of the text, 1669 // leave it alone. 1670 if (offset >= realLength) { 1671 return offset; 1672 } 1673 Editable editable = getText(); 1674 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1675 // Keep walking backward! 1676 offset--; 1677 } 1678 return offset; 1679 } 1680 1681 private static int findText(Editable text, int offset) { 1682 if (text.charAt(offset) != ' ') { 1683 return offset; 1684 } 1685 return -1; 1686 } 1687 1688 private DrawableRecipientChip findChip(int offset) { 1689 DrawableRecipientChip[] chips = 1690 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1691 // Find the chip that contains this offset. 1692 for (int i = 0; i < chips.length; i++) { 1693 DrawableRecipientChip chip = chips[i]; 1694 int start = getChipStart(chip); 1695 int end = getChipEnd(chip); 1696 if (offset >= start && offset <= end) { 1697 return chip; 1698 } 1699 } 1700 return null; 1701 } 1702 1703 // Visible for testing. 1704 // Use this method to generate text to add to the list of addresses. 1705 /* package */String createAddressText(RecipientEntry entry) { 1706 String display = entry.getDisplayName(); 1707 String address = entry.getDestination(); 1708 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1709 display = null; 1710 } 1711 String trimmedDisplayText; 1712 if (isPhoneQuery() && isPhoneNumber(address)) { 1713 trimmedDisplayText = address.trim(); 1714 } else { 1715 if (address != null) { 1716 // Tokenize out the address in case the address already 1717 // contained the username as well. 1718 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1719 if (tokenized != null && tokenized.length > 0) { 1720 address = tokenized[0].getAddress(); 1721 } 1722 } 1723 Rfc822Token token = new Rfc822Token(display, address, null); 1724 trimmedDisplayText = token.toString().trim(); 1725 } 1726 int index = trimmedDisplayText.indexOf(","); 1727 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1728 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1729 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1730 } 1731 1732 // Visible for testing. 1733 // Use this method to generate text to display in a chip. 1734 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1735 String display = entry.getDisplayName(); 1736 String address = entry.getDestination(); 1737 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1738 display = null; 1739 } 1740 if (!TextUtils.isEmpty(display)) { 1741 return display; 1742 } else if (!TextUtils.isEmpty(address)){ 1743 return address; 1744 } else { 1745 return new Rfc822Token(display, address, null).toString(); 1746 } 1747 } 1748 1749 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1750 String displayText = createAddressText(entry); 1751 if (TextUtils.isEmpty(displayText)) { 1752 return null; 1753 } 1754 SpannableString chipText = null; 1755 // Always leave a blank space at the end of a chip. 1756 int textLength = displayText.length() - 1; 1757 chipText = new SpannableString(displayText); 1758 if (!mNoChips) { 1759 try { 1760 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1761 chipText.setSpan(chip, 0, textLength, 1762 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1763 chip.setOriginalText(chipText.toString()); 1764 } catch (NullPointerException e) { 1765 Log.e(TAG, e.getMessage(), e); 1766 return null; 1767 } 1768 } 1769 return chipText; 1770 } 1771 1772 /** 1773 * When an item in the suggestions list has been clicked, create a chip from the 1774 * contact information of the selected item. 1775 */ 1776 @Override 1777 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1778 if (position < 0) { 1779 return; 1780 } 1781 submitItemAtPosition(position); 1782 } 1783 1784 private void submitItemAtPosition(int position) { 1785 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1786 if (entry == null) { 1787 return; 1788 } 1789 clearComposingText(); 1790 1791 int end = getSelectionEnd(); 1792 int start = mTokenizer.findTokenStart(getText(), end); 1793 1794 Editable editable = getText(); 1795 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1796 CharSequence chip = createChip(entry, false); 1797 if (chip != null && start >= 0 && end >= 0) { 1798 editable.replace(start, end, chip); 1799 } 1800 sanitizeBetween(); 1801 } 1802 1803 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1804 if (item == null) { 1805 return null; 1806 } 1807 final RecipientEntry entry; 1808 // If the display name and the address are the same, or if this is a 1809 // valid contact, but the destination is invalid, then make this a fake 1810 // recipient that is editable. 1811 String destination = item.getDestination(); 1812 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1813 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1814 destination, item.isValid()); 1815 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1816 && (TextUtils.isEmpty(item.getDisplayName()) 1817 || TextUtils.equals(item.getDisplayName(), destination) 1818 || (mValidator != null && !mValidator.isValid(destination)))) { 1819 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1820 } else { 1821 entry = item; 1822 } 1823 return entry; 1824 } 1825 1826 /** Returns a collection of contact Id for each chip inside this View. */ 1827 /* package */ Collection<Long> getContactIds() { 1828 final Set<Long> result = new HashSet<Long>(); 1829 DrawableRecipientChip[] chips = getSortedRecipients(); 1830 if (chips != null) { 1831 for (DrawableRecipientChip chip : chips) { 1832 result.add(chip.getContactId()); 1833 } 1834 } 1835 return result; 1836 } 1837 1838 1839 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1840 /* package */ Collection<Long> getDataIds() { 1841 final Set<Long> result = new HashSet<Long>(); 1842 DrawableRecipientChip [] chips = getSortedRecipients(); 1843 if (chips != null) { 1844 for (DrawableRecipientChip chip : chips) { 1845 result.add(chip.getDataId()); 1846 } 1847 } 1848 return result; 1849 } 1850 1851 // Visible for testing. 1852 /* package */DrawableRecipientChip[] getSortedRecipients() { 1853 DrawableRecipientChip[] recips = getSpannable() 1854 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1855 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1856 Arrays.asList(recips)); 1857 final Spannable spannable = getSpannable(); 1858 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1859 1860 @Override 1861 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1862 int firstStart = spannable.getSpanStart(first); 1863 int secondStart = spannable.getSpanStart(second); 1864 if (firstStart < secondStart) { 1865 return -1; 1866 } else if (firstStart > secondStart) { 1867 return 1; 1868 } else { 1869 return 0; 1870 } 1871 } 1872 }); 1873 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1874 } 1875 1876 @Override 1877 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1878 return false; 1879 } 1880 1881 @Override 1882 public void onDestroyActionMode(ActionMode mode) { 1883 } 1884 1885 @Override 1886 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1887 return false; 1888 } 1889 1890 /** 1891 * No chips are selectable. 1892 */ 1893 @Override 1894 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1895 return false; 1896 } 1897 1898 // Visible for testing. 1899 /* package */ImageSpan getMoreChip() { 1900 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1901 MoreImageSpan.class); 1902 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1903 } 1904 1905 private MoreImageSpan createMoreSpan(int count) { 1906 String moreText = String.format(mMoreItem.getText().toString(), count); 1907 TextPaint morePaint = new TextPaint(getPaint()); 1908 morePaint.setTextSize(mMoreItem.getTextSize()); 1909 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1910 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1911 + mMoreItem.getPaddingRight(); 1912 int height = getLineHeight(); 1913 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1914 Canvas canvas = new Canvas(drawable); 1915 int adjustedHeight = height; 1916 Layout layout = getLayout(); 1917 if (layout != null) { 1918 adjustedHeight -= layout.getLineDescent(0); 1919 } 1920 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1921 1922 Drawable result = new BitmapDrawable(getResources(), drawable); 1923 result.setBounds(0, 0, width, height); 1924 return new MoreImageSpan(result); 1925 } 1926 1927 // Visible for testing. 1928 /*package*/ void createMoreChipPlainText() { 1929 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1930 Editable text = getText(); 1931 int start = 0; 1932 int end = start; 1933 for (int i = 0; i < CHIP_LIMIT; i++) { 1934 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1935 start = end; // move to the next token and get its end. 1936 } 1937 // Now, count total addresses. 1938 start = 0; 1939 int tokenCount = countTokens(text); 1940 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1941 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1942 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1943 text.replace(end, text.length(), chipText); 1944 mMoreChip = moreSpan; 1945 } 1946 1947 // Visible for testing. 1948 /* package */int countTokens(Editable text) { 1949 int tokenCount = 0; 1950 int start = 0; 1951 while (start < text.length()) { 1952 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1953 tokenCount++; 1954 if (start >= text.length()) { 1955 break; 1956 } 1957 } 1958 return tokenCount; 1959 } 1960 1961 /** 1962 * Create the more chip. The more chip is text that replaces any chips that 1963 * do not fit in the pre-defined available space when the 1964 * RecipientEditTextView loses focus. 1965 */ 1966 // Visible for testing. 1967 /* package */ void createMoreChip() { 1968 if (mNoChips) { 1969 createMoreChipPlainText(); 1970 return; 1971 } 1972 1973 if (!mShouldShrink) { 1974 return; 1975 } 1976 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1977 if (tempMore.length > 0) { 1978 getSpannable().removeSpan(tempMore[0]); 1979 } 1980 DrawableRecipientChip[] recipients = getSortedRecipients(); 1981 1982 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1983 mMoreChip = null; 1984 return; 1985 } 1986 Spannable spannable = getSpannable(); 1987 int numRecipients = recipients.length; 1988 int overage = numRecipients - CHIP_LIMIT; 1989 MoreImageSpan moreSpan = createMoreSpan(overage); 1990 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1991 int totalReplaceStart = 0; 1992 int totalReplaceEnd = 0; 1993 Editable text = getText(); 1994 for (int i = numRecipients - overage; i < recipients.length; i++) { 1995 mRemovedSpans.add(recipients[i]); 1996 if (i == numRecipients - overage) { 1997 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1998 } 1999 if (i == recipients.length - 1) { 2000 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2001 } 2002 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2003 int spanStart = spannable.getSpanStart(recipients[i]); 2004 int spanEnd = spannable.getSpanEnd(recipients[i]); 2005 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2006 } 2007 spannable.removeSpan(recipients[i]); 2008 } 2009 if (totalReplaceEnd < text.length()) { 2010 totalReplaceEnd = text.length(); 2011 } 2012 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2013 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2014 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2015 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2016 text.replace(start, end, chipText); 2017 mMoreChip = moreSpan; 2018 // If adding the +more chip goes over the limit, resize accordingly. 2019 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2020 setMaxLines(getLineCount()); 2021 } 2022 } 2023 2024 /** 2025 * Replace the more chip, if it exists, with all of the recipient chips it had 2026 * replaced when the RecipientEditTextView gains focus. 2027 */ 2028 // Visible for testing. 2029 /*package*/ void removeMoreChip() { 2030 if (mMoreChip != null) { 2031 Spannable span = getSpannable(); 2032 span.removeSpan(mMoreChip); 2033 mMoreChip = null; 2034 // Re-add the spans that were removed. 2035 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2036 // Recreate each removed span. 2037 DrawableRecipientChip[] recipients = getSortedRecipients(); 2038 // Start the search for tokens after the last currently visible 2039 // chip. 2040 if (recipients == null || recipients.length == 0) { 2041 return; 2042 } 2043 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2044 Editable editable = getText(); 2045 for (DrawableRecipientChip chip : mRemovedSpans) { 2046 int chipStart; 2047 int chipEnd; 2048 String token; 2049 // Need to find the location of the chip, again. 2050 token = (String) chip.getOriginalText(); 2051 // As we find the matching recipient for the remove spans, 2052 // reduce the size of the string we need to search. 2053 // That way, if there are duplicates, we always find the correct 2054 // recipient. 2055 chipStart = editable.toString().indexOf(token, end); 2056 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2057 // Only set the span if we found a matching token. 2058 if (chipStart != -1) { 2059 editable.setSpan(chip, chipStart, chipEnd, 2060 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2061 } 2062 } 2063 mRemovedSpans.clear(); 2064 } 2065 } 2066 } 2067 2068 /** 2069 * Show specified chip as selected. If the RecipientChip is just an email address, 2070 * selecting the chip will take the contents of the chip and place it at 2071 * the end of the RecipientEditTextView for inline editing. If the 2072 * RecipientChip is a complete contact, then selecting the chip 2073 * will change the background color of the chip, show the delete icon, 2074 * and a popup window with the address in use highlighted and any other 2075 * alternate addresses for the contact. 2076 * @param currentChip Chip to select. 2077 * @return A RecipientChip in the selected state or null if the chip 2078 * just contained an email address. 2079 */ 2080 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2081 if (shouldShowEditableText(currentChip)) { 2082 CharSequence text = currentChip.getValue(); 2083 Editable editable = getText(); 2084 Spannable spannable = getSpannable(); 2085 int spanStart = spannable.getSpanStart(currentChip); 2086 int spanEnd = spannable.getSpanEnd(currentChip); 2087 spannable.removeSpan(currentChip); 2088 editable.delete(spanStart, spanEnd); 2089 setCursorVisible(true); 2090 setSelection(editable.length()); 2091 editable.append(text); 2092 return constructChipSpan( 2093 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2094 true); 2095 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 2096 int start = getChipStart(currentChip); 2097 int end = getChipEnd(currentChip); 2098 getSpannable().removeSpan(currentChip); 2099 DrawableRecipientChip newChip; 2100 try { 2101 if (mNoChips) { 2102 return null; 2103 } 2104 newChip = constructChipSpan(currentChip.getEntry(), true); 2105 } catch (NullPointerException e) { 2106 Log.e(TAG, e.getMessage(), e); 2107 return null; 2108 } 2109 Editable editable = getText(); 2110 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2111 if (start == -1 || end == -1) { 2112 Log.d(TAG, "The chip being selected no longer exists but should."); 2113 } else { 2114 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2115 } 2116 newChip.setSelected(true); 2117 if (shouldShowEditableText(newChip)) { 2118 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2119 } 2120 showAddress(newChip, mAddressPopup, getWidth()); 2121 setCursorVisible(false); 2122 return newChip; 2123 } else { 2124 int start = getChipStart(currentChip); 2125 int end = getChipEnd(currentChip); 2126 getSpannable().removeSpan(currentChip); 2127 DrawableRecipientChip newChip; 2128 try { 2129 newChip = constructChipSpan(currentChip.getEntry(), true); 2130 } catch (NullPointerException e) { 2131 Log.e(TAG, e.getMessage(), e); 2132 return null; 2133 } 2134 Editable editable = getText(); 2135 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2136 if (start == -1 || end == -1) { 2137 Log.d(TAG, "The chip being selected no longer exists but should."); 2138 } else { 2139 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2140 } 2141 newChip.setSelected(true); 2142 if (shouldShowEditableText(newChip)) { 2143 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2144 } 2145 showAlternates(newChip, mAlternatesPopup, getWidth()); 2146 setCursorVisible(false); 2147 return newChip; 2148 } 2149 } 2150 2151 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2152 long contactId = currentChip.getContactId(); 2153 return contactId == RecipientEntry.INVALID_CONTACT 2154 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2155 } 2156 2157 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2158 int width) { 2159 if (!mAttachedToWindow) { 2160 return; 2161 } 2162 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2163 int bottom = calculateOffsetFromBottom(line); 2164 // Align the alternates popup with the left side of the View, 2165 // regardless of the position of the chip tapped. 2166 popup.setWidth(width); 2167 popup.setAnchorView(this); 2168 popup.setVerticalOffset(bottom); 2169 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2170 popup.setOnItemClickListener(new OnItemClickListener() { 2171 @Override 2172 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2173 unselectChip(currentChip); 2174 popup.dismiss(); 2175 } 2176 }); 2177 popup.show(); 2178 ListView listView = popup.getListView(); 2179 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2180 listView.setItemChecked(0, true); 2181 } 2182 2183 /** 2184 * Remove selection from this chip. Unselecting a RecipientChip will render 2185 * the chip without a delete icon and with an unfocused background. This is 2186 * called when the RecipientChip no longer has focus. 2187 */ 2188 private void unselectChip(DrawableRecipientChip chip) { 2189 int start = getChipStart(chip); 2190 int end = getChipEnd(chip); 2191 Editable editable = getText(); 2192 mSelectedChip = null; 2193 if (start == -1 || end == -1) { 2194 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2195 setSelection(editable.length()); 2196 commitDefault(); 2197 } else { 2198 getSpannable().removeSpan(chip); 2199 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2200 editable.removeSpan(chip); 2201 try { 2202 if (!mNoChips) { 2203 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2204 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2205 } 2206 } catch (NullPointerException e) { 2207 Log.e(TAG, e.getMessage(), e); 2208 } 2209 } 2210 setCursorVisible(true); 2211 setSelection(editable.length()); 2212 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2213 mAlternatesPopup.dismiss(); 2214 } 2215 } 2216 2217 /** 2218 * Return whether a touch event was inside the delete target of 2219 * a selected chip. It is in the delete target if: 2220 * 1) the x and y points of the event are within the 2221 * delete assset. 2222 * 2) the point tapped would have caused a cursor to appear 2223 * right after the selected chip. 2224 * @return boolean 2225 */ 2226 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2227 // Figure out the bounds of this chip and whether or not 2228 // the user clicked in the X portion. 2229 // TODO: Should x and y be used, or removed? 2230 if (mDisableDelete) { 2231 return false; 2232 } 2233 2234 return chip.isSelected() && 2235 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2236 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2237 } 2238 2239 /** 2240 * Remove the chip and any text associated with it from the RecipientEditTextView. 2241 */ 2242 // Visible for testing. 2243 /* package */void removeChip(DrawableRecipientChip chip) { 2244 Spannable spannable = getSpannable(); 2245 int spanStart = spannable.getSpanStart(chip); 2246 int spanEnd = spannable.getSpanEnd(chip); 2247 Editable text = getText(); 2248 int toDelete = spanEnd; 2249 boolean wasSelected = chip == mSelectedChip; 2250 // Clear that there is a selected chip before updating any text. 2251 if (wasSelected) { 2252 mSelectedChip = null; 2253 } 2254 // Always remove trailing spaces when removing a chip. 2255 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2256 toDelete++; 2257 } 2258 spannable.removeSpan(chip); 2259 if (spanStart >= 0 && toDelete > 0) { 2260 text.delete(spanStart, toDelete); 2261 } 2262 if (wasSelected) { 2263 clearSelectedChip(); 2264 } 2265 } 2266 2267 /** 2268 * Replace this currently selected chip with a new chip 2269 * that uses the contact data provided. 2270 */ 2271 // Visible for testing. 2272 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2273 boolean wasSelected = chip == mSelectedChip; 2274 if (wasSelected) { 2275 mSelectedChip = null; 2276 } 2277 int start = getChipStart(chip); 2278 int end = getChipEnd(chip); 2279 getSpannable().removeSpan(chip); 2280 Editable editable = getText(); 2281 CharSequence chipText = createChip(entry, false); 2282 if (chipText != null) { 2283 if (start == -1 || end == -1) { 2284 Log.e(TAG, "The chip to replace does not exist but should."); 2285 editable.insert(0, chipText); 2286 } else { 2287 if (!TextUtils.isEmpty(chipText)) { 2288 // There may be a space to replace with this chip's new 2289 // associated space. Check for it 2290 int toReplace = end; 2291 while (toReplace >= 0 && toReplace < editable.length() 2292 && editable.charAt(toReplace) == ' ') { 2293 toReplace++; 2294 } 2295 editable.replace(start, toReplace, chipText); 2296 } 2297 } 2298 } 2299 setCursorVisible(true); 2300 if (wasSelected) { 2301 clearSelectedChip(); 2302 } 2303 } 2304 2305 /** 2306 * Handle click events for a chip. When a selected chip receives a click 2307 * event, see if that event was in the delete icon. If so, delete it. 2308 * Otherwise, unselect the chip. 2309 */ 2310 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2311 if (chip.isSelected()) { 2312 if (isInDelete(chip, offset, x, y)) { 2313 removeChip(chip); 2314 } else { 2315 clearSelectedChip(); 2316 } 2317 } 2318 } 2319 2320 private boolean chipsPending() { 2321 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2322 } 2323 2324 @Override 2325 public void removeTextChangedListener(TextWatcher watcher) { 2326 mTextWatcher = null; 2327 super.removeTextChangedListener(watcher); 2328 } 2329 2330 private boolean isValidEmailAddress(String input) { 2331 return !TextUtils.isEmpty(input) && mValidator != null && 2332 mValidator.isValid(input); 2333 } 2334 2335 private class RecipientTextWatcher implements TextWatcher { 2336 2337 @Override 2338 public void afterTextChanged(Editable s) { 2339 // If the text has been set to null or empty, make sure we remove 2340 // all the spans we applied. 2341 if (TextUtils.isEmpty(s)) { 2342 // Remove all the chips spans. 2343 Spannable spannable = getSpannable(); 2344 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2345 DrawableRecipientChip.class); 2346 for (DrawableRecipientChip chip : chips) { 2347 spannable.removeSpan(chip); 2348 } 2349 if (mMoreChip != null) { 2350 spannable.removeSpan(mMoreChip); 2351 } 2352 clearSelectedChip(); 2353 return; 2354 } 2355 // Get whether there are any recipients pending addition to the 2356 // view. If there are, don't do anything in the text watcher. 2357 if (chipsPending()) { 2358 return; 2359 } 2360 // If the user is editing a chip, don't clear it. 2361 if (mSelectedChip != null) { 2362 if (!isGeneratedContact(mSelectedChip)) { 2363 setCursorVisible(true); 2364 setSelection(getText().length()); 2365 clearSelectedChip(); 2366 } else { 2367 return; 2368 } 2369 } 2370 int length = s.length(); 2371 // Make sure there is content there to parse and that it is 2372 // not just the commit character. 2373 if (length > 1) { 2374 if (lastCharacterIsCommitCharacter(s)) { 2375 commitByCharacter(); 2376 return; 2377 } 2378 char last; 2379 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2380 int len = length() - 1; 2381 if (end != len) { 2382 last = s.charAt(end); 2383 } else { 2384 last = s.charAt(len); 2385 } 2386 if (last == COMMIT_CHAR_SPACE) { 2387 if (!isPhoneQuery()) { 2388 // Check if this is a valid email address. If it is, 2389 // commit it. 2390 String text = getText().toString(); 2391 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2392 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2393 tokenStart)); 2394 if (isValidEmailAddress(sub)) { 2395 commitByCharacter(); 2396 } 2397 } 2398 } 2399 } 2400 } 2401 2402 @Override 2403 public void onTextChanged(CharSequence s, int start, int before, int count) { 2404 // The user deleted some text OR some text was replaced; check to 2405 // see if the insertion point is on a space 2406 // following a chip. 2407 if (before - count == 1) { 2408 // If the item deleted is a space, and the thing before the 2409 // space is a chip, delete the entire span. 2410 int selStart = getSelectionStart(); 2411 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2412 DrawableRecipientChip.class); 2413 if (repl.length > 0) { 2414 // There is a chip there! Just remove it. 2415 Editable editable = getText(); 2416 // Add the separator token. 2417 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2418 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2419 tokenEnd = tokenEnd + 1; 2420 if (tokenEnd > editable.length()) { 2421 tokenEnd = editable.length(); 2422 } 2423 editable.delete(tokenStart, tokenEnd); 2424 getSpannable().removeSpan(repl[0]); 2425 } 2426 } else if (count > before) { 2427 if (mSelectedChip != null 2428 && isGeneratedContact(mSelectedChip)) { 2429 if (lastCharacterIsCommitCharacter(s)) { 2430 commitByCharacter(); 2431 return; 2432 } 2433 } 2434 } 2435 } 2436 2437 @Override 2438 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2439 // Do nothing. 2440 } 2441 } 2442 2443 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2444 char last; 2445 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2446 int len = length() - 1; 2447 if (end != len) { 2448 last = s.charAt(end); 2449 } else { 2450 last = s.charAt(len); 2451 } 2452 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2453 } 2454 2455 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2456 long contactId = chip.getContactId(); 2457 return contactId == RecipientEntry.INVALID_CONTACT 2458 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2459 } 2460 2461 /** 2462 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2463 */ 2464 private void handlePasteClip(ClipData clip) { 2465 removeTextChangedListener(mTextWatcher); 2466 2467 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2468 for (int i = 0; i < clip.getItemCount(); i++) { 2469 CharSequence paste = clip.getItemAt(i).getText(); 2470 if (paste != null) { 2471 int start = getSelectionStart(); 2472 int end = getSelectionEnd(); 2473 Editable editable = getText(); 2474 if (start >= 0 && end >= 0 && start != end) { 2475 editable.append(paste, start, end); 2476 } else { 2477 editable.insert(end, paste); 2478 } 2479 handlePasteAndReplace(); 2480 } 2481 } 2482 } 2483 2484 mHandler.post(mAddTextWatcher); 2485 } 2486 2487 @Override 2488 public boolean onTextContextMenuItem(int id) { 2489 if (id == android.R.id.paste) { 2490 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2491 Context.CLIPBOARD_SERVICE); 2492 handlePasteClip(clipboard.getPrimaryClip()); 2493 return true; 2494 } 2495 return super.onTextContextMenuItem(id); 2496 } 2497 2498 private void handlePasteAndReplace() { 2499 ArrayList<DrawableRecipientChip> created = handlePaste(); 2500 if (created != null && created.size() > 0) { 2501 // Perform reverse lookups on the pasted contacts. 2502 IndividualReplacementTask replace = new IndividualReplacementTask(); 2503 replace.execute(created); 2504 } 2505 } 2506 2507 // Visible for testing. 2508 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2509 String text = getText().toString(); 2510 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2511 String lastAddress = text.substring(originalTokenStart); 2512 int tokenStart = originalTokenStart; 2513 int prevTokenStart = 0; 2514 DrawableRecipientChip findChip = null; 2515 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2516 if (tokenStart != 0) { 2517 // There are things before this! 2518 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2519 prevTokenStart = tokenStart; 2520 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2521 findChip = findChip(tokenStart); 2522 if (tokenStart == originalTokenStart && findChip == null) { 2523 break; 2524 } 2525 } 2526 if (tokenStart != originalTokenStart) { 2527 if (findChip != null) { 2528 tokenStart = prevTokenStart; 2529 } 2530 int tokenEnd; 2531 DrawableRecipientChip createdChip; 2532 while (tokenStart < originalTokenStart) { 2533 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2534 tokenStart)); 2535 commitChip(tokenStart, tokenEnd, getText()); 2536 createdChip = findChip(tokenStart); 2537 if (createdChip == null) { 2538 break; 2539 } 2540 // +1 for the space at the end. 2541 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2542 created.add(createdChip); 2543 } 2544 } 2545 } 2546 // Take a look at the last token. If the token has been completed with a 2547 // commit character, create a chip. 2548 if (isCompletedToken(lastAddress)) { 2549 Editable editable = getText(); 2550 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2551 commitChip(tokenStart, editable.length(), editable); 2552 created.add(findChip(tokenStart)); 2553 } 2554 return created; 2555 } 2556 2557 // Visible for testing. 2558 /* package */int movePastTerminators(int tokenEnd) { 2559 if (tokenEnd >= length()) { 2560 return tokenEnd; 2561 } 2562 char atEnd = getText().toString().charAt(tokenEnd); 2563 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2564 tokenEnd++; 2565 } 2566 // This token had not only an end token character, but also a space 2567 // separating it from the next token. 2568 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2569 tokenEnd++; 2570 } 2571 return tokenEnd; 2572 } 2573 2574 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2575 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2576 try { 2577 if (mNoChips) { 2578 return null; 2579 } 2580 return constructChipSpan(entry, false); 2581 } catch (NullPointerException e) { 2582 Log.e(TAG, e.getMessage(), e); 2583 return null; 2584 } 2585 } 2586 2587 @Override 2588 protected void onPreExecute() { 2589 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2590 // replaced 2591 final List<DrawableRecipientChip> originalRecipients = 2592 new ArrayList<DrawableRecipientChip>(); 2593 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2594 for (int i = 0; i < existingChips.length; i++) { 2595 originalRecipients.add(existingChips[i]); 2596 } 2597 if (mRemovedSpans != null) { 2598 originalRecipients.addAll(mRemovedSpans); 2599 } 2600 2601 final List<DrawableRecipientChip> replacements = 2602 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2603 2604 for (final DrawableRecipientChip chip : originalRecipients) { 2605 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2606 && getSpannable().getSpanStart(chip) != -1) { 2607 replacements.add(createFreeChip(chip.getEntry())); 2608 } else { 2609 replacements.add(null); 2610 } 2611 } 2612 2613 processReplacements(originalRecipients, replacements); 2614 } 2615 2616 @Override 2617 protected Void doInBackground(Void... params) { 2618 if (mIndividualReplacements != null) { 2619 mIndividualReplacements.cancel(true); 2620 } 2621 // For each chip in the list, look up the matching contact. 2622 // If there is a match, replace that chip with the matching 2623 // chip. 2624 final ArrayList<DrawableRecipientChip> recipients = 2625 new ArrayList<DrawableRecipientChip>(); 2626 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2627 for (int i = 0; i < existingChips.length; i++) { 2628 recipients.add(existingChips[i]); 2629 } 2630 if (mRemovedSpans != null) { 2631 recipients.addAll(mRemovedSpans); 2632 } 2633 ArrayList<String> addresses = new ArrayList<String>(); 2634 DrawableRecipientChip chip; 2635 for (int i = 0; i < recipients.size(); i++) { 2636 chip = recipients.get(i); 2637 if (chip != null) { 2638 addresses.add(createAddressText(chip.getEntry())); 2639 } 2640 } 2641 final BaseRecipientAdapter adapter = getAdapter(); 2642 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2643 adapter.getAccount(), new RecipientMatchCallback() { 2644 @Override 2645 public void matchesFound(Map<String, RecipientEntry> entries) { 2646 final ArrayList<DrawableRecipientChip> replacements = 2647 new ArrayList<DrawableRecipientChip>(); 2648 for (final DrawableRecipientChip temp : recipients) { 2649 RecipientEntry entry = null; 2650 if (temp != null && RecipientEntry.isCreatedRecipient( 2651 temp.getEntry().getContactId()) 2652 && getSpannable().getSpanStart(temp) != -1) { 2653 // Replace this. 2654 entry = createValidatedEntry( 2655 entries.get(tokenizeAddress(temp.getEntry() 2656 .getDestination()))); 2657 } 2658 if (entry != null) { 2659 replacements.add(createFreeChip(entry)); 2660 } else { 2661 replacements.add(null); 2662 } 2663 } 2664 processReplacements(recipients, replacements); 2665 } 2666 2667 @Override 2668 public void matchesNotFound(final Set<String> unfoundAddresses) { 2669 final List<DrawableRecipientChip> replacements = 2670 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2671 2672 for (final DrawableRecipientChip temp : recipients) { 2673 if (temp != null && RecipientEntry.isCreatedRecipient( 2674 temp.getEntry().getContactId()) 2675 && getSpannable().getSpanStart(temp) != -1) { 2676 if (unfoundAddresses.contains( 2677 temp.getEntry().getDestination())) { 2678 replacements.add(createFreeChip(temp.getEntry())); 2679 } else { 2680 replacements.add(null); 2681 } 2682 } else { 2683 replacements.add(null); 2684 } 2685 } 2686 2687 processReplacements(recipients, replacements); 2688 } 2689 }); 2690 return null; 2691 } 2692 2693 private void processReplacements(final List<DrawableRecipientChip> recipients, 2694 final List<DrawableRecipientChip> replacements) { 2695 if (replacements != null && replacements.size() > 0) { 2696 final Runnable runnable = new Runnable() { 2697 @Override 2698 public void run() { 2699 final Editable text = new SpannableStringBuilder(getText()); 2700 int i = 0; 2701 for (final DrawableRecipientChip chip : recipients) { 2702 final DrawableRecipientChip replacement = replacements.get(i); 2703 if (replacement != null) { 2704 final RecipientEntry oldEntry = chip.getEntry(); 2705 final RecipientEntry newEntry = replacement.getEntry(); 2706 final boolean isBetter = 2707 RecipientAlternatesAdapter.getBetterRecipient( 2708 oldEntry, newEntry) == newEntry; 2709 2710 if (isBetter) { 2711 // Find the location of the chip in the text currently shown. 2712 final int start = text.getSpanStart(chip); 2713 if (start != -1) { 2714 // Replacing the entirety of what the chip represented, 2715 // including the extra space dividing it from other chips. 2716 final int end = 2717 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2718 text.removeSpan(chip); 2719 // Make sure we always have just 1 space at the end to 2720 // separate this chip from the next chip. 2721 final SpannableString displayText = 2722 new SpannableString(createAddressText( 2723 replacement.getEntry()).trim() + " "); 2724 displayText.setSpan(replacement, 0, 2725 displayText.length() - 1, 2726 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2727 // Replace the old text we found with with the new display 2728 // text, which now may also contain the display name of the 2729 // recipient. 2730 text.replace(start, end, displayText); 2731 replacement.setOriginalText(displayText.toString()); 2732 replacements.set(i, null); 2733 2734 recipients.set(i, replacement); 2735 } 2736 } 2737 } 2738 i++; 2739 } 2740 setText(text); 2741 } 2742 }; 2743 2744 if (Looper.myLooper() == Looper.getMainLooper()) { 2745 runnable.run(); 2746 } else { 2747 mHandler.post(runnable); 2748 } 2749 } 2750 } 2751 } 2752 2753 private class IndividualReplacementTask 2754 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2755 @Override 2756 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2757 // For each chip in the list, look up the matching contact. 2758 // If there is a match, replace that chip with the matching 2759 // chip. 2760 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2761 ArrayList<String> addresses = new ArrayList<String>(); 2762 DrawableRecipientChip chip; 2763 for (int i = 0; i < originalRecipients.size(); i++) { 2764 chip = originalRecipients.get(i); 2765 if (chip != null) { 2766 addresses.add(createAddressText(chip.getEntry())); 2767 } 2768 } 2769 final BaseRecipientAdapter adapter = getAdapter(); 2770 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2771 adapter.getAccount(), 2772 new RecipientMatchCallback() { 2773 2774 @Override 2775 public void matchesFound(Map<String, RecipientEntry> entries) { 2776 for (final DrawableRecipientChip temp : originalRecipients) { 2777 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2778 .getContactId()) 2779 && getSpannable().getSpanStart(temp) != -1) { 2780 // Replace this. 2781 final RecipientEntry entry = createValidatedEntry(entries 2782 .get(tokenizeAddress(temp.getEntry().getDestination()) 2783 .toLowerCase())); 2784 if (entry != null) { 2785 mHandler.post(new Runnable() { 2786 @Override 2787 public void run() { 2788 replaceChip(temp, entry); 2789 } 2790 }); 2791 } 2792 } 2793 } 2794 } 2795 2796 @Override 2797 public void matchesNotFound(final Set<String> unfoundAddresses) { 2798 // No action required 2799 } 2800 }); 2801 return null; 2802 } 2803 } 2804 2805 2806 /** 2807 * MoreImageSpan is a simple class created for tracking the existence of a 2808 * more chip across activity restarts/ 2809 */ 2810 private class MoreImageSpan extends ImageSpan { 2811 public MoreImageSpan(Drawable b) { 2812 super(b); 2813 } 2814 } 2815 2816 @Override 2817 public boolean onDown(MotionEvent e) { 2818 return false; 2819 } 2820 2821 @Override 2822 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2823 // Do nothing. 2824 return false; 2825 } 2826 2827 @Override 2828 public void onLongPress(MotionEvent event) { 2829 if (mSelectedChip != null) { 2830 return; 2831 } 2832 float x = event.getX(); 2833 float y = event.getY(); 2834 final int offset = putOffsetInRange(x, y); 2835 DrawableRecipientChip currentChip = findChip(offset); 2836 if (currentChip != null) { 2837 if (mDragEnabled) { 2838 // Start drag-and-drop for the selected chip. 2839 startDrag(currentChip); 2840 } else { 2841 // Copy the selected chip email address. 2842 showCopyDialog(currentChip.getEntry().getDestination()); 2843 } 2844 } 2845 } 2846 2847 // The following methods are used to provide some functionality on older versions of Android 2848 // These methods were copied out of JB MR2's TextView 2849 ///////////////////////////////////////////////// 2850 private int supportGetOffsetForPosition(float x, float y) { 2851 if (getLayout() == null) return -1; 2852 final int line = supportGetLineAtCoordinate(y); 2853 final int offset = supportGetOffsetAtCoordinate(line, x); 2854 return offset; 2855 } 2856 2857 private float supportConvertToLocalHorizontalCoordinate(float x) { 2858 x -= getTotalPaddingLeft(); 2859 // Clamp the position to inside of the view. 2860 x = Math.max(0.0f, x); 2861 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2862 x += getScrollX(); 2863 return x; 2864 } 2865 2866 private int supportGetLineAtCoordinate(float y) { 2867 y -= getTotalPaddingLeft(); 2868 // Clamp the position to inside of the view. 2869 y = Math.max(0.0f, y); 2870 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2871 y += getScrollY(); 2872 return getLayout().getLineForVertical((int) y); 2873 } 2874 2875 private int supportGetOffsetAtCoordinate(int line, float x) { 2876 x = supportConvertToLocalHorizontalCoordinate(x); 2877 return getLayout().getOffsetForHorizontal(line, x); 2878 } 2879 ///////////////////////////////////////////////// 2880 2881 /** 2882 * Enables drag-and-drop for chips. 2883 */ 2884 public void enableDrag() { 2885 mDragEnabled = true; 2886 } 2887 2888 /** 2889 * Starts drag-and-drop for the selected chip. 2890 */ 2891 private void startDrag(DrawableRecipientChip currentChip) { 2892 String address = currentChip.getEntry().getDestination(); 2893 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2894 2895 // Start drag mode. 2896 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2897 2898 // Remove the current chip, so drag-and-drop will result in a move. 2899 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2900 removeChip(currentChip); 2901 } 2902 2903 /** 2904 * Handles drag event. 2905 */ 2906 @Override 2907 public boolean onDragEvent(DragEvent event) { 2908 switch (event.getAction()) { 2909 case DragEvent.ACTION_DRAG_STARTED: 2910 // Only handle plain text drag and drop. 2911 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2912 case DragEvent.ACTION_DRAG_ENTERED: 2913 requestFocus(); 2914 return true; 2915 case DragEvent.ACTION_DROP: 2916 handlePasteClip(event.getClipData()); 2917 return true; 2918 } 2919 return false; 2920 } 2921 2922 /** 2923 * Drag shadow for a {@link DrawableRecipientChip}. 2924 */ 2925 private final class RecipientChipShadow extends DragShadowBuilder { 2926 private final DrawableRecipientChip mChip; 2927 2928 public RecipientChipShadow(DrawableRecipientChip chip) { 2929 mChip = chip; 2930 } 2931 2932 @Override 2933 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2934 Rect rect = mChip.getBounds(); 2935 shadowSize.set(rect.width(), rect.height()); 2936 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2937 } 2938 2939 @Override 2940 public void onDrawShadow(Canvas canvas) { 2941 mChip.draw(canvas); 2942 } 2943 } 2944 2945 private void showCopyDialog(final String address) { 2946 if (!mAttachedToWindow) { 2947 return; 2948 } 2949 mCopyAddress = address; 2950 mCopyDialog.setTitle(address); 2951 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2952 mCopyDialog.setCancelable(true); 2953 mCopyDialog.setCanceledOnTouchOutside(true); 2954 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2955 button.setOnClickListener(this); 2956 int btnTitleId; 2957 if (isPhoneQuery()) { 2958 btnTitleId = R.string.copy_number; 2959 } else { 2960 btnTitleId = R.string.copy_email; 2961 } 2962 String buttonTitle = getContext().getResources().getString(btnTitleId); 2963 button.setText(buttonTitle); 2964 mCopyDialog.setOnDismissListener(this); 2965 mCopyDialog.show(); 2966 } 2967 2968 @Override 2969 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2970 // Do nothing. 2971 return false; 2972 } 2973 2974 @Override 2975 public void onShowPress(MotionEvent e) { 2976 // Do nothing. 2977 } 2978 2979 @Override 2980 public boolean onSingleTapUp(MotionEvent e) { 2981 // Do nothing. 2982 return false; 2983 } 2984 2985 @Override 2986 public void onDismiss(DialogInterface dialog) { 2987 mCopyAddress = null; 2988 } 2989 2990 @Override 2991 public void onClick(View v) { 2992 // Copy this to the clipboard. 2993 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2994 Context.CLIPBOARD_SERVICE); 2995 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2996 mCopyDialog.dismiss(); 2997 } 2998 2999 protected boolean isPhoneQuery() { 3000 return getAdapter() != null 3001 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3002 } 3003 3004 @Override 3005 public BaseRecipientAdapter getAdapter() { 3006 return (BaseRecipientAdapter) super.getAdapter(); 3007 } 3008} 3009