RecipientEditTextView.java revision 1db635b5a09c77a27fe17a9ce31c21a67458c2bc
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 @Override 385 public void onSelectionChanged(int start, int end) { 386 // When selection changes, see if it is inside the chips area. 387 // If so, move the cursor back after the chips again. 388 DrawableRecipientChip last = getLastChip(); 389 if (last != null && start < getSpannable().getSpanEnd(last)) { 390 // Grab the last chip and set the cursor to after it. 391 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 392 } 393 super.onSelectionChanged(start, end); 394 } 395 396 @Override 397 public void onRestoreInstanceState(Parcelable state) { 398 if (!TextUtils.isEmpty(getText())) { 399 super.onRestoreInstanceState(null); 400 } else { 401 super.onRestoreInstanceState(state); 402 } 403 } 404 405 @Override 406 public Parcelable onSaveInstanceState() { 407 // If the user changes orientation while they are editing, just roll back the selection. 408 clearSelectedChip(); 409 return super.onSaveInstanceState(); 410 } 411 412 /** 413 * Convenience method: Append the specified text slice to the TextView's 414 * display buffer, upgrading it to BufferType.EDITABLE if it was 415 * not already editable. Commas are excluded as they are added automatically 416 * by the view. 417 */ 418 @Override 419 public void append(CharSequence text, int start, int end) { 420 // We don't care about watching text changes while appending. 421 if (mTextWatcher != null) { 422 removeTextChangedListener(mTextWatcher); 423 } 424 super.append(text, start, end); 425 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 426 String displayString = text.toString(); 427 428 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 429 // We have no separator, so we should add it 430 super.append(SEPARATOR, 0, SEPARATOR.length()); 431 displayString += SEPARATOR; 432 } 433 434 if (!TextUtils.isEmpty(displayString) 435 && TextUtils.getTrimmedLength(displayString) > 0) { 436 mPendingChipsCount++; 437 mPendingChips.add(displayString); 438 } 439 } 440 // Put a message on the queue to make sure we ALWAYS handle pending 441 // chips. 442 if (mPendingChipsCount > 0) { 443 postHandlePendingChips(); 444 } 445 mHandler.post(mAddTextWatcher); 446 } 447 448 @Override 449 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 450 super.onFocusChanged(hasFocus, direction, previous); 451 if (!hasFocus) { 452 shrink(); 453 } else { 454 expand(); 455 } 456 } 457 458 private int getExcessTopPadding() { 459 if (sExcessTopPadding == -1) { 460 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 461 } 462 return sExcessTopPadding; 463 } 464 465 @Override 466 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 467 super.setAdapter(adapter); 468 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 469 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 470 @Override 471 public void onChanged(List<RecipientEntry> entries) { 472 // Scroll the chips field to the top of the screen so 473 // that the user can see as many results as possible. 474 if (entries != null && entries.size() > 0) { 475 scrollBottomIntoView(); 476 } 477 } 478 }); 479 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 480 } 481 482 protected void scrollBottomIntoView() { 483 if (mScrollView != null && mShouldShrink) { 484 int[] location = new int[2]; 485 getLocationOnScreen(location); 486 int height = getHeight(); 487 int currentPos = location[1] + height; 488 // Desired position shows at least 1 line of chips below the action 489 // bar. We add excess padding to make sure this is always below other 490 // content. 491 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 492 if (currentPos > desiredPos) { 493 mScrollView.scrollBy(0, currentPos - desiredPos); 494 } 495 } 496 } 497 498 protected ScrollView getScrollView() { 499 return mScrollView; 500 } 501 502 @Override 503 public void performValidation() { 504 // Do nothing. Chips handles its own validation. 505 } 506 507 private void shrink() { 508 if (mTokenizer == null) { 509 return; 510 } 511 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 512 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 513 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 514 clearSelectedChip(); 515 } else { 516 if (getWidth() <= 0) { 517 // We don't have the width yet which means the view hasn't been drawn yet 518 // and there is no reason to attempt to commit chips yet. 519 // This focus lost must be the result of an orientation change 520 // or an initial rendering. 521 // Re-post the shrink for later. 522 mHandler.removeCallbacks(mDelayedShrink); 523 mHandler.post(mDelayedShrink); 524 return; 525 } 526 // Reset any pending chips as they would have been handled 527 // when the field lost focus. 528 if (mPendingChipsCount > 0) { 529 postHandlePendingChips(); 530 } else { 531 Editable editable = getText(); 532 int end = getSelectionEnd(); 533 int start = mTokenizer.findTokenStart(editable, end); 534 DrawableRecipientChip[] chips = 535 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 536 if ((chips == null || chips.length == 0)) { 537 Editable text = getText(); 538 int whatEnd = mTokenizer.findTokenEnd(text, start); 539 // This token was already tokenized, so skip past the ending token. 540 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 541 whatEnd = movePastTerminators(whatEnd); 542 } 543 // In the middle of chip; treat this as an edit 544 // and commit the whole token. 545 int selEnd = getSelectionEnd(); 546 if (whatEnd != selEnd) { 547 handleEdit(start, whatEnd); 548 } else { 549 commitChip(start, end, editable); 550 } 551 } 552 } 553 mHandler.post(mAddTextWatcher); 554 } 555 createMoreChip(); 556 } 557 558 private void expand() { 559 if (mShouldShrink) { 560 setMaxLines(Integer.MAX_VALUE); 561 } 562 removeMoreChip(); 563 setCursorVisible(true); 564 Editable text = getText(); 565 setSelection(text != null && text.length() > 0 ? text.length() : 0); 566 // If there are any temporary chips, try replacing them now that the user 567 // has expanded the field. 568 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 569 new RecipientReplacementTask().execute(); 570 mTemporaryRecipients = null; 571 } 572 } 573 574 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 575 paint.setTextSize(mChipFontSize); 576 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 577 Log.d(TAG, "Max width is negative: " + maxWidth); 578 } 579 return TextUtils.ellipsize(text, paint, maxWidth, 580 TextUtils.TruncateAt.END); 581 } 582 583 /** 584 * Creates a bitmap of the given contact on a selected chip. 585 * 586 * @param contact The recipient entry to pull data from. 587 * @param paint The paint to use to draw the bitmap. 588 */ 589 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 590 paint.setColor(sSelectedTextColor); 591 Bitmap photo; 592 if (mDisableDelete) { 593 // Show the avatar instead if we don't want to delete 594 photo = getAvatarIcon(contact); 595 } else { 596 photo = ((BitmapDrawable) mChipDelete).getBitmap(); 597 } 598 return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); 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 createUnselectedChip(RecipientEntry contact, TextPaint paint) { 608 Drawable background = getChipBackground(contact); 609 Bitmap photo = getAvatarIcon(contact); 610 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 611 return createChipBitmap(contact, paint, photo, background); 612 } 613 614 private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint, Bitmap icon, 615 Drawable background) { 616 if (background == null) { 617 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 618 return Bitmap.createBitmap( 619 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 620 } 621 622 Rect backgroundPadding = new Rect(); 623 background.getPadding(backgroundPadding); 624 625 // Ellipsize the text so that it takes AT MOST the entire width of the 626 // autocomplete text entry area. Make sure to leave space for padding 627 // on the sides. 628 int height = (int) mChipHeight; 629 // Since the icon is a square, it's width is equal to the maximum height it can be inside 630 // the chip. 631 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 632 float[] widths = new float[1]; 633 paint.getTextWidths(" ", widths); 634 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 635 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 636 - backgroundPadding.right);; 637 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 638 639 // Make sure there is a minimum chip width so the user can ALWAYS 640 // tap a chip without difficulty. 641 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 642 + backgroundPadding.left + backgroundPadding.right); 643 644 // Create the background of the chip. 645 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 646 Canvas canvas = new Canvas(tmpBitmap); 647 648 // Draw the background drawable 649 background.setBounds(0, 0, width, height); 650 background.draw(canvas); 651 // Draw the text vertically aligned 652 int textX = shouldPositionAvatarOnRight() ? 653 mChipPadding + backgroundPadding.left : 654 width - backgroundPadding.right - mChipPadding - textWidth; 655 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 656 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 657 if (icon != null) { 658 // Draw the icon 659 int iconX = shouldPositionAvatarOnRight() ? 660 width - backgroundPadding.right - iconWidth : 661 backgroundPadding.left; 662 RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 663 RectF dst = new RectF(iconX, 664 0 + backgroundPadding.top, 665 iconX + iconWidth, 666 height - backgroundPadding.bottom); 667 drawIconOnCanvas(icon, canvas, paint, src, dst); 668 } 669 return tmpBitmap; 670 } 671 672 /** 673 * Returns true if the avatar should be positioned at the right edge of the chip. 674 * Takes into account both the set avatar position (start or end) as well as whether 675 * the layout direction is LTR or RTL. 676 */ 677 private boolean shouldPositionAvatarOnRight() { 678 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 679 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 680 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 681 // If in Rtl mode, the position should be flipped. 682 return isRtl ? !assignedPosition : assignedPosition; 683 } 684 685 /** 686 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 687 * draw an icon for this recipient. 688 */ 689 private Bitmap getAvatarIcon(RecipientEntry contact) { 690 // Don't draw photos for recipients that have been typed in OR generated on the fly. 691 long contactId = contact.getContactId(); 692 boolean drawPhotos = isPhoneQuery() ? 693 contactId != RecipientEntry.INVALID_CONTACT 694 : (contactId != RecipientEntry.INVALID_CONTACT 695 && (contactId != RecipientEntry.GENERATED_CONTACT && 696 !TextUtils.isEmpty(contact.getDisplayName()))); 697 698 if (drawPhotos) { 699 byte[] photoBytes = contact.getPhotoBytes(); 700 // There may not be a photo yet if anything but the first contact address 701 // was selected. 702 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 703 // TODO: cache this in the recipient entry? 704 getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); 705 photoBytes = contact.getPhotoBytes(); 706 } 707 if (photoBytes != null) { 708 return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 709 } else { 710 // TODO: can the scaled down default photo be cached? 711 return mDefaultContactPhoto; 712 } 713 } 714 715 return null; 716 } 717 718 /** 719 * Get the background drawable for a RecipientChip. 720 */ 721 // Visible for testing. 722 /* package */Drawable getChipBackground(RecipientEntry contact) { 723 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 724 } 725 726 /** 727 * Given a height, returns a Y offset that will draw the text in the middle of the height. 728 */ 729 protected float getTextYOffset(String text, TextPaint paint, int height) { 730 Rect bounds = new Rect(); 731 paint.getTextBounds(text, 0, text.length(), bounds); 732 int textHeight = bounds.bottom - bounds.top ; 733 return height - ((height - textHeight) / 2) - (int)paint.descent(); 734 } 735 736 /** 737 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 738 * rectangle of the canvas. 739 */ 740 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 741 Matrix matrix = new Matrix(); 742 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 743 canvas.drawBitmap(icon, matrix, paint); 744 } 745 746 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 747 throws NullPointerException { 748 if (mChipBackground == null) { 749 throw new NullPointerException( 750 "Unable to render any chips as setChipDimensions was not called."); 751 } 752 753 TextPaint paint = getPaint(); 754 float defaultSize = paint.getTextSize(); 755 int defaultColor = paint.getColor(); 756 757 Bitmap tmpBitmap; 758 if (pressed) { 759 tmpBitmap = createSelectedChip(contact, paint); 760 761 } else { 762 tmpBitmap = createUnselectedChip(contact, paint); 763 } 764 765 // Pass the full text, un-ellipsized, to the chip. 766 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 767 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 768 DrawableRecipientChip recipientChip = 769 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 770 // Return text to the original size. 771 paint.setTextSize(defaultSize); 772 paint.setColor(defaultColor); 773 return recipientChip; 774 } 775 776 private int getImageSpanAlignment() { 777 switch (mImageSpanAlignment) { 778 case IMAGE_SPAN_ALIGNMENT_BASELINE: 779 return ImageSpan.ALIGN_BASELINE; 780 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 781 return ImageSpan.ALIGN_BOTTOM; 782 default: 783 return ImageSpan.ALIGN_BOTTOM; 784 } 785 } 786 787 /** 788 * Calculate the bottom of the line the chip will be located on using: 789 * 1) which line the chip appears on 790 * 2) the height of a chip 791 * 3) padding built into the edit text view 792 */ 793 private int calculateOffsetFromBottom(int line) { 794 // Line offsets start at zero. 795 int actualLine = getLineCount() - (line + 1); 796 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 797 + getDropDownVerticalOffset(); 798 } 799 800 /** 801 * Get the max amount of space a chip can take up. The formula takes into 802 * account the width of the EditTextView, any view padding, and padding 803 * that will be added to the chip. 804 */ 805 private float calculateAvailableWidth() { 806 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 807 } 808 809 810 private void setChipDimensions(Context context, AttributeSet attrs) { 811 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 812 0); 813 Resources r = getContext().getResources(); 814 815 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 816 if (mChipBackground == null) { 817 mChipBackground = r.getDrawable(R.drawable.chip_background); 818 } 819 mChipBackgroundPressed = a 820 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 821 if (mChipBackgroundPressed == null) { 822 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 823 } 824 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 825 if (mChipDelete == null) { 826 mChipDelete = r.getDrawable(R.drawable.chip_delete); 827 } 828 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 829 if (mChipPadding == -1) { 830 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 831 } 832 833 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 834 835 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 836 837 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 838 if (mChipHeight == -1) { 839 mChipHeight = r.getDimension(R.dimen.chip_height); 840 } 841 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 842 if (mChipFontSize == -1) { 843 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 844 } 845 mInvalidChipBackground = a 846 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 847 if (mInvalidChipBackground == null) { 848 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 849 } 850 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 851 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 852 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 853 854 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 855 mMaxLines = r.getInteger(R.integer.chips_max_lines); 856 TypedValue tv = new TypedValue(); 857 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 858 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 859 .getDisplayMetrics()); 860 } 861 862 a.recycle(); 863 } 864 865 // Visible for testing. 866 /* package */ void setMoreItem(TextView moreItem) { 867 mMoreItem = moreItem; 868 } 869 870 871 // Visible for testing. 872 /* package */ void setChipBackground(Drawable chipBackground) { 873 mChipBackground = chipBackground; 874 } 875 876 // Visible for testing. 877 /* package */ void setChipHeight(int height) { 878 mChipHeight = height; 879 } 880 881 public float getChipHeight() { 882 return mChipHeight; 883 } 884 885 /** 886 * Set whether to shrink the recipients field such that at most 887 * one line of recipients chips are shown when the field loses 888 * focus. By default, the number of displayed recipients will be 889 * limited and a "more" chip will be shown when focus is lost. 890 * @param shrink 891 */ 892 public void setOnFocusListShrinkRecipients(boolean shrink) { 893 mShouldShrink = shrink; 894 } 895 896 @Override 897 public void onSizeChanged(int width, int height, int oldw, int oldh) { 898 super.onSizeChanged(width, height, oldw, oldh); 899 if (width != 0 && height != 0) { 900 if (mPendingChipsCount > 0) { 901 postHandlePendingChips(); 902 } else { 903 checkChipWidths(); 904 } 905 } 906 // Try to find the scroll view parent, if it exists. 907 if (mScrollView == null && !mTriedGettingScrollView) { 908 ViewParent parent = getParent(); 909 while (parent != null && !(parent instanceof ScrollView)) { 910 parent = parent.getParent(); 911 } 912 if (parent != null) { 913 mScrollView = (ScrollView) parent; 914 } 915 mTriedGettingScrollView = true; 916 } 917 } 918 919 private void postHandlePendingChips() { 920 mHandler.removeCallbacks(mHandlePendingChips); 921 mHandler.post(mHandlePendingChips); 922 } 923 924 private void checkChipWidths() { 925 // Check the widths of the associated chips. 926 DrawableRecipientChip[] chips = getSortedRecipients(); 927 if (chips != null) { 928 Rect bounds; 929 for (DrawableRecipientChip chip : chips) { 930 bounds = chip.getBounds(); 931 if (getWidth() > 0 && bounds.right - bounds.left > 932 getWidth() - getPaddingLeft() - getPaddingRight()) { 933 // Need to redraw that chip. 934 replaceChip(chip, chip.getEntry()); 935 } 936 } 937 } 938 } 939 940 // Visible for testing. 941 /*package*/ void handlePendingChips() { 942 if (getViewWidth() <= 0) { 943 // The widget has not been sized yet. 944 // This will be called as a result of onSizeChanged 945 // at a later point. 946 return; 947 } 948 if (mPendingChipsCount <= 0) { 949 return; 950 } 951 952 synchronized (mPendingChips) { 953 Editable editable = getText(); 954 // Tokenize! 955 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 956 for (int i = 0; i < mPendingChips.size(); i++) { 957 String current = mPendingChips.get(i); 958 int tokenStart = editable.toString().indexOf(current); 959 // Always leave a space at the end between tokens. 960 int tokenEnd = tokenStart + current.length() - 1; 961 if (tokenStart >= 0) { 962 // When we have a valid token, include it with the token 963 // to the left. 964 if (tokenEnd < editable.length() - 2 965 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 966 tokenEnd++; 967 } 968 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 969 || !mShouldShrink); 970 } 971 mPendingChipsCount--; 972 } 973 sanitizeEnd(); 974 } else { 975 mNoChips = true; 976 } 977 978 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 979 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 980 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 981 new RecipientReplacementTask().execute(); 982 mTemporaryRecipients = null; 983 } else { 984 // Create the "more" chip 985 mIndividualReplacements = new IndividualReplacementTask(); 986 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 987 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 988 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 989 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 990 mTemporaryRecipients.subList(CHIP_LIMIT, 991 mTemporaryRecipients.size())); 992 } else { 993 mTemporaryRecipients = null; 994 } 995 createMoreChip(); 996 } 997 } else { 998 // There are too many recipients to look up, so just fall back 999 // to showing addresses for all of them. 1000 mTemporaryRecipients = null; 1001 createMoreChip(); 1002 } 1003 mPendingChipsCount = 0; 1004 mPendingChips.clear(); 1005 } 1006 } 1007 1008 // Visible for testing. 1009 /*package*/ int getViewWidth() { 1010 return getWidth(); 1011 } 1012 1013 /** 1014 * Remove any characters after the last valid chip. 1015 */ 1016 // Visible for testing. 1017 /*package*/ void sanitizeEnd() { 1018 // Don't sanitize while we are waiting for pending chips to complete. 1019 if (mPendingChipsCount > 0) { 1020 return; 1021 } 1022 // Find the last chip; eliminate any commit characters after it. 1023 DrawableRecipientChip[] chips = getSortedRecipients(); 1024 Spannable spannable = getSpannable(); 1025 if (chips != null && chips.length > 0) { 1026 int end; 1027 mMoreChip = getMoreChip(); 1028 if (mMoreChip != null) { 1029 end = spannable.getSpanEnd(mMoreChip); 1030 } else { 1031 end = getSpannable().getSpanEnd(getLastChip()); 1032 } 1033 Editable editable = getText(); 1034 int length = editable.length(); 1035 if (length > end) { 1036 // See what characters occur after that and eliminate them. 1037 if (Log.isLoggable(TAG, Log.DEBUG)) { 1038 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1039 + editable); 1040 } 1041 editable.delete(end + 1, length); 1042 } 1043 } 1044 } 1045 1046 /** 1047 * Create a chip that represents just the email address of a recipient. At some later 1048 * point, this chip will be attached to a real contact entry, if one exists. 1049 */ 1050 // VisibleForTesting 1051 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1052 boolean visible) { 1053 if (alreadyHasChip(tokenStart, tokenEnd)) { 1054 // There is already a chip present at this location. 1055 // Don't recreate it. 1056 return; 1057 } 1058 String token = editable.toString().substring(tokenStart, tokenEnd); 1059 final String trimmedToken = token.trim(); 1060 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1061 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1062 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1063 } 1064 RecipientEntry entry = createTokenizedEntry(token); 1065 if (entry != null) { 1066 DrawableRecipientChip chip = null; 1067 try { 1068 if (!mNoChips) { 1069 chip = visible ? 1070 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1071 } 1072 } catch (NullPointerException e) { 1073 Log.e(TAG, e.getMessage(), e); 1074 } 1075 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1076 // Add this chip to the list of entries "to replace" 1077 if (chip != null) { 1078 if (mTemporaryRecipients == null) { 1079 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1080 } 1081 chip.setOriginalText(token); 1082 mTemporaryRecipients.add(chip); 1083 } 1084 } 1085 } 1086 1087 private static boolean isPhoneNumber(String number) { 1088 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1089 // PhoneNumberUtil). One complication is that it requires the sender's region which 1090 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1091 if (TextUtils.isEmpty(number)) { 1092 return false; 1093 } 1094 1095 Matcher match = PHONE_PATTERN.matcher(number); 1096 return match.matches(); 1097 } 1098 1099 // VisibleForTesting 1100 RecipientEntry createTokenizedEntry(final String token) { 1101 if (TextUtils.isEmpty(token)) { 1102 return null; 1103 } 1104 if (isPhoneQuery() && isPhoneNumber(token)) { 1105 return RecipientEntry.constructFakePhoneEntry(token, true); 1106 } 1107 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1108 String display = null; 1109 boolean isValid = isValid(token); 1110 if (isValid && tokens != null && tokens.length > 0) { 1111 // If we can get a name from tokenizing, then generate an entry from 1112 // this. 1113 display = tokens[0].getName(); 1114 if (!TextUtils.isEmpty(display)) { 1115 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1116 isValid); 1117 } else { 1118 display = tokens[0].getAddress(); 1119 if (!TextUtils.isEmpty(display)) { 1120 return RecipientEntry.constructFakeEntry(display, isValid); 1121 } 1122 } 1123 } 1124 // Unable to validate the token or to create a valid token from it. 1125 // Just create a chip the user can edit. 1126 String validatedToken = null; 1127 if (mValidator != null && !isValid) { 1128 // Try fixing up the entry using the validator. 1129 validatedToken = mValidator.fixText(token).toString(); 1130 if (!TextUtils.isEmpty(validatedToken)) { 1131 if (validatedToken.contains(token)) { 1132 // protect against the case of a validator with a null 1133 // domain, 1134 // which doesn't add a domain to the token 1135 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1136 if (tokenized.length > 0) { 1137 validatedToken = tokenized[0].getAddress(); 1138 isValid = true; 1139 } 1140 } else { 1141 // We ran into a case where the token was invalid and 1142 // removed 1143 // by the validator. In this case, just use the original 1144 // token 1145 // and let the user sort out the error chip. 1146 validatedToken = null; 1147 isValid = false; 1148 } 1149 } 1150 } 1151 // Otherwise, fallback to just creating an editable email address chip. 1152 return RecipientEntry.constructFakeEntry( 1153 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1154 } 1155 1156 private boolean isValid(String text) { 1157 return mValidator == null ? true : mValidator.isValid(text); 1158 } 1159 1160 private static String tokenizeAddress(String destination) { 1161 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1162 if (tokens != null && tokens.length > 0) { 1163 return tokens[0].getAddress(); 1164 } 1165 return destination; 1166 } 1167 1168 @Override 1169 public void setTokenizer(Tokenizer tokenizer) { 1170 mTokenizer = tokenizer; 1171 super.setTokenizer(mTokenizer); 1172 } 1173 1174 @Override 1175 public void setValidator(Validator validator) { 1176 mValidator = validator; 1177 super.setValidator(validator); 1178 } 1179 1180 /** 1181 * We cannot use the default mechanism for replaceText. Instead, 1182 * we override onItemClickListener so we can get all the associated 1183 * contact information including display text, address, and id. 1184 */ 1185 @Override 1186 protected void replaceText(CharSequence text) { 1187 return; 1188 } 1189 1190 /** 1191 * Dismiss any selected chips when the back key is pressed. 1192 */ 1193 @Override 1194 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1195 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1196 clearSelectedChip(); 1197 return true; 1198 } 1199 return super.onKeyPreIme(keyCode, event); 1200 } 1201 1202 /** 1203 * Monitor key presses in this view to see if the user types 1204 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1205 * If the user has entered text that has contact matches and types 1206 * a commit key, create a chip from the topmost matching contact. 1207 * If the user has entered text that has no contact matches and types 1208 * a commit key, then create a chip from the text they have entered. 1209 */ 1210 @Override 1211 public boolean onKeyUp(int keyCode, KeyEvent event) { 1212 switch (keyCode) { 1213 case KeyEvent.KEYCODE_TAB: 1214 if (event.hasNoModifiers()) { 1215 if (mSelectedChip != null) { 1216 clearSelectedChip(); 1217 } else { 1218 commitDefault(); 1219 } 1220 } 1221 break; 1222 } 1223 return super.onKeyUp(keyCode, event); 1224 } 1225 1226 private boolean focusNext() { 1227 View next = focusSearch(View.FOCUS_DOWN); 1228 if (next != null) { 1229 next.requestFocus(); 1230 return true; 1231 } 1232 return false; 1233 } 1234 1235 /** 1236 * Create a chip from the default selection. If the popup is showing, the 1237 * default is the selected item (if one is selected), or the first item, in the popup 1238 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1239 * tokenizer should search for a token to turn into a chip. 1240 * @return If a chip was created from a real contact. 1241 */ 1242 private boolean commitDefault() { 1243 // If there is no tokenizer, don't try to commit. 1244 if (mTokenizer == null) { 1245 return false; 1246 } 1247 Editable editable = getText(); 1248 int end = getSelectionEnd(); 1249 int start = mTokenizer.findTokenStart(editable, end); 1250 1251 if (shouldCreateChip(start, end)) { 1252 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1253 // In the middle of chip; treat this as an edit 1254 // and commit the whole token. 1255 whatEnd = movePastTerminators(whatEnd); 1256 if (whatEnd != getSelectionEnd()) { 1257 handleEdit(start, whatEnd); 1258 return true; 1259 } 1260 return commitChip(start, end , editable); 1261 } 1262 return false; 1263 } 1264 1265 private void commitByCharacter() { 1266 // We can't possibly commit by character if we can't tokenize. 1267 if (mTokenizer == null) { 1268 return; 1269 } 1270 Editable editable = getText(); 1271 int end = getSelectionEnd(); 1272 int start = mTokenizer.findTokenStart(editable, end); 1273 if (shouldCreateChip(start, end)) { 1274 commitChip(start, end, editable); 1275 } 1276 setSelection(getText().length()); 1277 } 1278 1279 private boolean commitChip(int start, int end, Editable editable) { 1280 ListAdapter adapter = getAdapter(); 1281 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1282 && end == getSelectionEnd() && !isPhoneQuery()) { 1283 // let's choose the selected or first entry if only the input text is NOT an email 1284 // address so we won't try to replace the user's potentially correct but 1285 // new/unencountered email input 1286 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1287 final int selectedPosition = getListSelection(); 1288 if (selectedPosition == -1) { 1289 // Nothing is selected; use the first item 1290 submitItemAtPosition(0); 1291 } else { 1292 submitItemAtPosition(selectedPosition); 1293 } 1294 } 1295 dismissDropDown(); 1296 return true; 1297 } else { 1298 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1299 if (editable.length() > tokenEnd + 1) { 1300 char charAt = editable.charAt(tokenEnd + 1); 1301 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1302 tokenEnd++; 1303 } 1304 } 1305 String text = editable.toString().substring(start, tokenEnd).trim(); 1306 clearComposingText(); 1307 if (text != null && text.length() > 0 && !text.equals(" ")) { 1308 RecipientEntry entry = createTokenizedEntry(text); 1309 if (entry != null) { 1310 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1311 CharSequence chipText = createChip(entry, false); 1312 if (chipText != null && start > -1 && end > -1) { 1313 editable.replace(start, end, chipText); 1314 } 1315 } 1316 // Only dismiss the dropdown if it is related to the text we 1317 // just committed. 1318 // For paste, it may not be as there are possibly multiple 1319 // tokens being added. 1320 if (end == getSelectionEnd()) { 1321 dismissDropDown(); 1322 } 1323 sanitizeBetween(); 1324 return true; 1325 } 1326 } 1327 return false; 1328 } 1329 1330 // Visible for testing. 1331 /* package */ void sanitizeBetween() { 1332 // Don't sanitize while we are waiting for content to chipify. 1333 if (mPendingChipsCount > 0) { 1334 return; 1335 } 1336 // Find the last chip. 1337 DrawableRecipientChip[] recips = getSortedRecipients(); 1338 if (recips != null && recips.length > 0) { 1339 DrawableRecipientChip last = recips[recips.length - 1]; 1340 DrawableRecipientChip beforeLast = null; 1341 if (recips.length > 1) { 1342 beforeLast = recips[recips.length - 2]; 1343 } 1344 int startLooking = 0; 1345 int end = getSpannable().getSpanStart(last); 1346 if (beforeLast != null) { 1347 startLooking = getSpannable().getSpanEnd(beforeLast); 1348 Editable text = getText(); 1349 if (startLooking == -1 || startLooking > text.length() - 1) { 1350 // There is nothing after this chip. 1351 return; 1352 } 1353 if (text.charAt(startLooking) == ' ') { 1354 startLooking++; 1355 } 1356 } 1357 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1358 getText().delete(startLooking, end); 1359 } 1360 } 1361 } 1362 1363 private boolean shouldCreateChip(int start, int end) { 1364 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1365 } 1366 1367 private boolean alreadyHasChip(int start, int end) { 1368 if (mNoChips) { 1369 return true; 1370 } 1371 DrawableRecipientChip[] chips = 1372 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1373 if ((chips == null || chips.length == 0)) { 1374 return false; 1375 } 1376 return true; 1377 } 1378 1379 private void handleEdit(int start, int end) { 1380 if (start == -1 || end == -1) { 1381 // This chip no longer exists in the field. 1382 dismissDropDown(); 1383 return; 1384 } 1385 // This is in the middle of a chip, so select out the whole chip 1386 // and commit it. 1387 Editable editable = getText(); 1388 setSelection(end); 1389 String text = getText().toString().substring(start, end); 1390 if (!TextUtils.isEmpty(text)) { 1391 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1392 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1393 CharSequence chipText = createChip(entry, false); 1394 int selEnd = getSelectionEnd(); 1395 if (chipText != null && start > -1 && selEnd > -1) { 1396 editable.replace(start, selEnd, chipText); 1397 } 1398 } 1399 dismissDropDown(); 1400 } 1401 1402 /** 1403 * If there is a selected chip, delegate the key events 1404 * to the selected chip. 1405 */ 1406 @Override 1407 public boolean onKeyDown(int keyCode, KeyEvent event) { 1408 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1409 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1410 mAlternatesPopup.dismiss(); 1411 } 1412 removeChip(mSelectedChip); 1413 } 1414 1415 switch (keyCode) { 1416 case KeyEvent.KEYCODE_ENTER: 1417 case KeyEvent.KEYCODE_DPAD_CENTER: 1418 if (event.hasNoModifiers()) { 1419 if (commitDefault()) { 1420 return true; 1421 } 1422 if (mSelectedChip != null) { 1423 clearSelectedChip(); 1424 return true; 1425 } else if (focusNext()) { 1426 return true; 1427 } 1428 } 1429 break; 1430 } 1431 1432 return super.onKeyDown(keyCode, event); 1433 } 1434 1435 // Visible for testing. 1436 /* package */ Spannable getSpannable() { 1437 return getText(); 1438 } 1439 1440 private int getChipStart(DrawableRecipientChip chip) { 1441 return getSpannable().getSpanStart(chip); 1442 } 1443 1444 private int getChipEnd(DrawableRecipientChip chip) { 1445 return getSpannable().getSpanEnd(chip); 1446 } 1447 1448 /** 1449 * Instead of filtering on the entire contents of the edit box, 1450 * this subclass method filters on the range from 1451 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1452 * if the length of that range meets or exceeds {@link #getThreshold} 1453 * and makes sure that the range is not already a Chip. 1454 */ 1455 @Override 1456 protected void performFiltering(CharSequence text, int keyCode) { 1457 boolean isCompletedToken = isCompletedToken(text); 1458 if (enoughToFilter() && !isCompletedToken) { 1459 int end = getSelectionEnd(); 1460 int start = mTokenizer.findTokenStart(text, end); 1461 // If this is a RecipientChip, don't filter 1462 // on its contents. 1463 Spannable span = getSpannable(); 1464 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1465 if (chips != null && chips.length > 0) { 1466 dismissDropDown(); 1467 return; 1468 } 1469 } else if (isCompletedToken) { 1470 dismissDropDown(); 1471 return; 1472 } 1473 super.performFiltering(text, keyCode); 1474 } 1475 1476 // Visible for testing. 1477 /*package*/ boolean isCompletedToken(CharSequence text) { 1478 if (TextUtils.isEmpty(text)) { 1479 return false; 1480 } 1481 // Check to see if this is a completed token before filtering. 1482 int end = text.length(); 1483 int start = mTokenizer.findTokenStart(text, end); 1484 String token = text.toString().substring(start, end).trim(); 1485 if (!TextUtils.isEmpty(token)) { 1486 char atEnd = token.charAt(token.length() - 1); 1487 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1488 } 1489 return false; 1490 } 1491 1492 private void clearSelectedChip() { 1493 if (mSelectedChip != null) { 1494 unselectChip(mSelectedChip); 1495 mSelectedChip = null; 1496 } 1497 setCursorVisible(true); 1498 } 1499 1500 /** 1501 * Monitor touch events in the RecipientEditTextView. 1502 * If the view does not have focus, any tap on the view 1503 * will just focus the view. If the view has focus, determine 1504 * if the touch target is a recipient chip. If it is and the chip 1505 * is not selected, select it and clear any other selected chips. 1506 * If it isn't, then select that chip. 1507 */ 1508 @Override 1509 public boolean onTouchEvent(MotionEvent event) { 1510 if (!isFocused()) { 1511 // Ignore any chip taps until this view is focused. 1512 return super.onTouchEvent(event); 1513 } 1514 boolean handled = super.onTouchEvent(event); 1515 int action = event.getAction(); 1516 boolean chipWasSelected = false; 1517 if (mSelectedChip == null) { 1518 mGestureDetector.onTouchEvent(event); 1519 } 1520 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1521 float x = event.getX(); 1522 float y = event.getY(); 1523 int offset = putOffsetInRange(x, y); 1524 DrawableRecipientChip currentChip = findChip(offset); 1525 if (currentChip != null) { 1526 if (action == MotionEvent.ACTION_UP) { 1527 if (mSelectedChip != null && mSelectedChip != currentChip) { 1528 clearSelectedChip(); 1529 mSelectedChip = selectChip(currentChip); 1530 } else if (mSelectedChip == null) { 1531 setSelection(getText().length()); 1532 commitDefault(); 1533 mSelectedChip = selectChip(currentChip); 1534 } else { 1535 onClick(mSelectedChip, offset, x, y); 1536 } 1537 } 1538 chipWasSelected = true; 1539 handled = true; 1540 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1541 chipWasSelected = true; 1542 } 1543 } 1544 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1545 clearSelectedChip(); 1546 } 1547 return handled; 1548 } 1549 1550 private void scrollLineIntoView(int line) { 1551 if (mScrollView != null) { 1552 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1553 } 1554 } 1555 1556 private void showAlternates(final DrawableRecipientChip currentChip, 1557 final ListPopupWindow alternatesPopup, final int width) { 1558 new AsyncTask<Void, Void, ListAdapter>() { 1559 @Override 1560 protected ListAdapter doInBackground(final Void... params) { 1561 return createAlternatesAdapter(currentChip); 1562 } 1563 1564 @Override 1565 protected void onPostExecute(final ListAdapter result) { 1566 if (!mAttachedToWindow) { 1567 return; 1568 } 1569 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1570 int bottom; 1571 if (line == getLineCount() -1) { 1572 bottom = 0; 1573 } else { 1574 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1575 .abs(getLineCount() - 1 - line))); 1576 } 1577 // Align the alternates popup with the left side of the View, 1578 // regardless of the position of the chip tapped. 1579 alternatesPopup.setWidth(width); 1580 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1581 alternatesPopup.setVerticalOffset(bottom); 1582 alternatesPopup.setAdapter(result); 1583 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1584 // Clear the checked item. 1585 mCheckedItem = -1; 1586 alternatesPopup.show(); 1587 ListView listView = alternatesPopup.getListView(); 1588 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1589 // Checked item would be -1 if the adapter has not 1590 // loaded the view that should be checked yet. The 1591 // variable will be set correctly when onCheckedItemChanged 1592 // is called in a separate thread. 1593 if (mCheckedItem != -1) { 1594 listView.setItemChecked(mCheckedItem, true); 1595 mCheckedItem = -1; 1596 } 1597 } 1598 }.execute((Void[]) null); 1599 } 1600 1601 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1602 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1603 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1604 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1605 } 1606 1607 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1608 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1609 mDropdownChipLayouter); 1610 } 1611 1612 @Override 1613 public void onCheckedItemChanged(int position) { 1614 ListView listView = mAlternatesPopup.getListView(); 1615 if (listView != null && listView.getCheckedItemCount() == 0) { 1616 listView.setItemChecked(position, true); 1617 } 1618 mCheckedItem = position; 1619 } 1620 1621 private int putOffsetInRange(final float x, final float y) { 1622 final int offset; 1623 1624 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1625 offset = getOffsetForPosition(x, y); 1626 } else { 1627 offset = supportGetOffsetForPosition(x, y); 1628 } 1629 1630 return putOffsetInRange(offset); 1631 } 1632 1633 // TODO: This algorithm will need a lot of tweaking after more people have used 1634 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1635 // what comes before the finger. 1636 private int putOffsetInRange(int o) { 1637 int offset = o; 1638 Editable text = getText(); 1639 int length = text.length(); 1640 // Remove whitespace from end to find "real end" 1641 int realLength = length; 1642 for (int i = length - 1; i >= 0; i--) { 1643 if (text.charAt(i) == ' ') { 1644 realLength--; 1645 } else { 1646 break; 1647 } 1648 } 1649 1650 // If the offset is beyond or at the end of the text, 1651 // leave it alone. 1652 if (offset >= realLength) { 1653 return offset; 1654 } 1655 Editable editable = getText(); 1656 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1657 // Keep walking backward! 1658 offset--; 1659 } 1660 return offset; 1661 } 1662 1663 private static int findText(Editable text, int offset) { 1664 if (text.charAt(offset) != ' ') { 1665 return offset; 1666 } 1667 return -1; 1668 } 1669 1670 private DrawableRecipientChip findChip(int offset) { 1671 DrawableRecipientChip[] chips = 1672 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1673 // Find the chip that contains this offset. 1674 for (int i = 0; i < chips.length; i++) { 1675 DrawableRecipientChip chip = chips[i]; 1676 int start = getChipStart(chip); 1677 int end = getChipEnd(chip); 1678 if (offset >= start && offset <= end) { 1679 return chip; 1680 } 1681 } 1682 return null; 1683 } 1684 1685 // Visible for testing. 1686 // Use this method to generate text to add to the list of addresses. 1687 /* package */String createAddressText(RecipientEntry entry) { 1688 String display = entry.getDisplayName(); 1689 String address = entry.getDestination(); 1690 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1691 display = null; 1692 } 1693 String trimmedDisplayText; 1694 if (isPhoneQuery() && isPhoneNumber(address)) { 1695 trimmedDisplayText = address.trim(); 1696 } else { 1697 if (address != null) { 1698 // Tokenize out the address in case the address already 1699 // contained the username as well. 1700 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1701 if (tokenized != null && tokenized.length > 0) { 1702 address = tokenized[0].getAddress(); 1703 } 1704 } 1705 Rfc822Token token = new Rfc822Token(display, address, null); 1706 trimmedDisplayText = token.toString().trim(); 1707 } 1708 int index = trimmedDisplayText.indexOf(","); 1709 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1710 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1711 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1712 } 1713 1714 // Visible for testing. 1715 // Use this method to generate text to display in a chip. 1716 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1717 String display = entry.getDisplayName(); 1718 String address = entry.getDestination(); 1719 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1720 display = null; 1721 } 1722 if (!TextUtils.isEmpty(display)) { 1723 return display; 1724 } else if (!TextUtils.isEmpty(address)){ 1725 return address; 1726 } else { 1727 return new Rfc822Token(display, address, null).toString(); 1728 } 1729 } 1730 1731 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1732 String displayText = createAddressText(entry); 1733 if (TextUtils.isEmpty(displayText)) { 1734 return null; 1735 } 1736 SpannableString chipText = null; 1737 // Always leave a blank space at the end of a chip. 1738 int textLength = displayText.length() - 1; 1739 chipText = new SpannableString(displayText); 1740 if (!mNoChips) { 1741 try { 1742 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1743 chipText.setSpan(chip, 0, textLength, 1744 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1745 chip.setOriginalText(chipText.toString()); 1746 } catch (NullPointerException e) { 1747 Log.e(TAG, e.getMessage(), e); 1748 return null; 1749 } 1750 } 1751 return chipText; 1752 } 1753 1754 /** 1755 * When an item in the suggestions list has been clicked, create a chip from the 1756 * contact information of the selected item. 1757 */ 1758 @Override 1759 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1760 if (position < 0) { 1761 return; 1762 } 1763 submitItemAtPosition(position); 1764 } 1765 1766 private void submitItemAtPosition(int position) { 1767 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1768 if (entry == null) { 1769 return; 1770 } 1771 clearComposingText(); 1772 1773 int end = getSelectionEnd(); 1774 int start = mTokenizer.findTokenStart(getText(), end); 1775 1776 Editable editable = getText(); 1777 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1778 CharSequence chip = createChip(entry, false); 1779 if (chip != null && start >= 0 && end >= 0) { 1780 editable.replace(start, end, chip); 1781 } 1782 sanitizeBetween(); 1783 } 1784 1785 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1786 if (item == null) { 1787 return null; 1788 } 1789 final RecipientEntry entry; 1790 // If the display name and the address are the same, or if this is a 1791 // valid contact, but the destination is invalid, then make this a fake 1792 // recipient that is editable. 1793 String destination = item.getDestination(); 1794 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1795 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1796 destination, item.isValid()); 1797 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1798 && (TextUtils.isEmpty(item.getDisplayName()) 1799 || TextUtils.equals(item.getDisplayName(), destination) 1800 || (mValidator != null && !mValidator.isValid(destination)))) { 1801 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1802 } else { 1803 entry = item; 1804 } 1805 return entry; 1806 } 1807 1808 /** Returns a collection of contact Id for each chip inside this View. */ 1809 /* package */ Collection<Long> getContactIds() { 1810 final Set<Long> result = new HashSet<Long>(); 1811 DrawableRecipientChip[] chips = getSortedRecipients(); 1812 if (chips != null) { 1813 for (DrawableRecipientChip chip : chips) { 1814 result.add(chip.getContactId()); 1815 } 1816 } 1817 return result; 1818 } 1819 1820 1821 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1822 /* package */ Collection<Long> getDataIds() { 1823 final Set<Long> result = new HashSet<Long>(); 1824 DrawableRecipientChip [] chips = getSortedRecipients(); 1825 if (chips != null) { 1826 for (DrawableRecipientChip chip : chips) { 1827 result.add(chip.getDataId()); 1828 } 1829 } 1830 return result; 1831 } 1832 1833 // Visible for testing. 1834 /* package */DrawableRecipientChip[] getSortedRecipients() { 1835 DrawableRecipientChip[] recips = getSpannable() 1836 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1837 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1838 Arrays.asList(recips)); 1839 final Spannable spannable = getSpannable(); 1840 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1841 1842 @Override 1843 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1844 int firstStart = spannable.getSpanStart(first); 1845 int secondStart = spannable.getSpanStart(second); 1846 if (firstStart < secondStart) { 1847 return -1; 1848 } else if (firstStart > secondStart) { 1849 return 1; 1850 } else { 1851 return 0; 1852 } 1853 } 1854 }); 1855 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1856 } 1857 1858 @Override 1859 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1860 return false; 1861 } 1862 1863 @Override 1864 public void onDestroyActionMode(ActionMode mode) { 1865 } 1866 1867 @Override 1868 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1869 return false; 1870 } 1871 1872 /** 1873 * No chips are selectable. 1874 */ 1875 @Override 1876 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1877 return false; 1878 } 1879 1880 // Visible for testing. 1881 /* package */ImageSpan getMoreChip() { 1882 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1883 MoreImageSpan.class); 1884 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1885 } 1886 1887 private MoreImageSpan createMoreSpan(int count) { 1888 String moreText = String.format(mMoreItem.getText().toString(), count); 1889 TextPaint morePaint = new TextPaint(getPaint()); 1890 morePaint.setTextSize(mMoreItem.getTextSize()); 1891 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1892 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1893 + mMoreItem.getPaddingRight(); 1894 int height = getLineHeight(); 1895 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1896 Canvas canvas = new Canvas(drawable); 1897 int adjustedHeight = height; 1898 Layout layout = getLayout(); 1899 if (layout != null) { 1900 adjustedHeight -= layout.getLineDescent(0); 1901 } 1902 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1903 1904 Drawable result = new BitmapDrawable(getResources(), drawable); 1905 result.setBounds(0, 0, width, height); 1906 return new MoreImageSpan(result); 1907 } 1908 1909 // Visible for testing. 1910 /*package*/ void createMoreChipPlainText() { 1911 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1912 Editable text = getText(); 1913 int start = 0; 1914 int end = start; 1915 for (int i = 0; i < CHIP_LIMIT; i++) { 1916 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1917 start = end; // move to the next token and get its end. 1918 } 1919 // Now, count total addresses. 1920 start = 0; 1921 int tokenCount = countTokens(text); 1922 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1923 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1924 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1925 text.replace(end, text.length(), chipText); 1926 mMoreChip = moreSpan; 1927 } 1928 1929 // Visible for testing. 1930 /* package */int countTokens(Editable text) { 1931 int tokenCount = 0; 1932 int start = 0; 1933 while (start < text.length()) { 1934 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1935 tokenCount++; 1936 if (start >= text.length()) { 1937 break; 1938 } 1939 } 1940 return tokenCount; 1941 } 1942 1943 /** 1944 * Create the more chip. The more chip is text that replaces any chips that 1945 * do not fit in the pre-defined available space when the 1946 * RecipientEditTextView loses focus. 1947 */ 1948 // Visible for testing. 1949 /* package */ void createMoreChip() { 1950 if (mNoChips) { 1951 createMoreChipPlainText(); 1952 return; 1953 } 1954 1955 if (!mShouldShrink) { 1956 return; 1957 } 1958 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1959 if (tempMore.length > 0) { 1960 getSpannable().removeSpan(tempMore[0]); 1961 } 1962 DrawableRecipientChip[] recipients = getSortedRecipients(); 1963 1964 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1965 mMoreChip = null; 1966 return; 1967 } 1968 Spannable spannable = getSpannable(); 1969 int numRecipients = recipients.length; 1970 int overage = numRecipients - CHIP_LIMIT; 1971 MoreImageSpan moreSpan = createMoreSpan(overage); 1972 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1973 int totalReplaceStart = 0; 1974 int totalReplaceEnd = 0; 1975 Editable text = getText(); 1976 for (int i = numRecipients - overage; i < recipients.length; i++) { 1977 mRemovedSpans.add(recipients[i]); 1978 if (i == numRecipients - overage) { 1979 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1980 } 1981 if (i == recipients.length - 1) { 1982 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1983 } 1984 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1985 int spanStart = spannable.getSpanStart(recipients[i]); 1986 int spanEnd = spannable.getSpanEnd(recipients[i]); 1987 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1988 } 1989 spannable.removeSpan(recipients[i]); 1990 } 1991 if (totalReplaceEnd < text.length()) { 1992 totalReplaceEnd = text.length(); 1993 } 1994 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1995 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1996 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1997 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1998 text.replace(start, end, chipText); 1999 mMoreChip = moreSpan; 2000 // If adding the +more chip goes over the limit, resize accordingly. 2001 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2002 setMaxLines(getLineCount()); 2003 } 2004 } 2005 2006 /** 2007 * Replace the more chip, if it exists, with all of the recipient chips it had 2008 * replaced when the RecipientEditTextView gains focus. 2009 */ 2010 // Visible for testing. 2011 /*package*/ void removeMoreChip() { 2012 if (mMoreChip != null) { 2013 Spannable span = getSpannable(); 2014 span.removeSpan(mMoreChip); 2015 mMoreChip = null; 2016 // Re-add the spans that were removed. 2017 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2018 // Recreate each removed span. 2019 DrawableRecipientChip[] recipients = getSortedRecipients(); 2020 // Start the search for tokens after the last currently visible 2021 // chip. 2022 if (recipients == null || recipients.length == 0) { 2023 return; 2024 } 2025 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2026 Editable editable = getText(); 2027 for (DrawableRecipientChip chip : mRemovedSpans) { 2028 int chipStart; 2029 int chipEnd; 2030 String token; 2031 // Need to find the location of the chip, again. 2032 token = (String) chip.getOriginalText(); 2033 // As we find the matching recipient for the remove spans, 2034 // reduce the size of the string we need to search. 2035 // That way, if there are duplicates, we always find the correct 2036 // recipient. 2037 chipStart = editable.toString().indexOf(token, end); 2038 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2039 // Only set the span if we found a matching token. 2040 if (chipStart != -1) { 2041 editable.setSpan(chip, chipStart, chipEnd, 2042 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2043 } 2044 } 2045 mRemovedSpans.clear(); 2046 } 2047 } 2048 } 2049 2050 /** 2051 * Show specified chip as selected. If the RecipientChip is just an email address, 2052 * selecting the chip will take the contents of the chip and place it at 2053 * the end of the RecipientEditTextView for inline editing. If the 2054 * RecipientChip is a complete contact, then selecting the chip 2055 * will change the background color of the chip, show the delete icon, 2056 * and a popup window with the address in use highlighted and any other 2057 * alternate addresses for the contact. 2058 * @param currentChip Chip to select. 2059 * @return A RecipientChip in the selected state or null if the chip 2060 * just contained an email address. 2061 */ 2062 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2063 if (shouldShowEditableText(currentChip)) { 2064 CharSequence text = currentChip.getValue(); 2065 Editable editable = getText(); 2066 Spannable spannable = getSpannable(); 2067 int spanStart = spannable.getSpanStart(currentChip); 2068 int spanEnd = spannable.getSpanEnd(currentChip); 2069 spannable.removeSpan(currentChip); 2070 editable.delete(spanStart, spanEnd); 2071 setCursorVisible(true); 2072 setSelection(editable.length()); 2073 editable.append(text); 2074 return constructChipSpan( 2075 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2076 true); 2077 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 2078 int start = getChipStart(currentChip); 2079 int end = getChipEnd(currentChip); 2080 getSpannable().removeSpan(currentChip); 2081 DrawableRecipientChip newChip; 2082 try { 2083 if (mNoChips) { 2084 return null; 2085 } 2086 newChip = constructChipSpan(currentChip.getEntry(), true); 2087 } catch (NullPointerException e) { 2088 Log.e(TAG, e.getMessage(), e); 2089 return null; 2090 } 2091 Editable editable = getText(); 2092 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2093 if (start == -1 || end == -1) { 2094 Log.d(TAG, "The chip being selected no longer exists but should."); 2095 } else { 2096 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2097 } 2098 newChip.setSelected(true); 2099 if (shouldShowEditableText(newChip)) { 2100 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2101 } 2102 showAddress(newChip, mAddressPopup, getWidth()); 2103 setCursorVisible(false); 2104 return newChip; 2105 } else { 2106 int start = getChipStart(currentChip); 2107 int end = getChipEnd(currentChip); 2108 getSpannable().removeSpan(currentChip); 2109 DrawableRecipientChip newChip; 2110 try { 2111 newChip = constructChipSpan(currentChip.getEntry(), true); 2112 } catch (NullPointerException e) { 2113 Log.e(TAG, e.getMessage(), e); 2114 return null; 2115 } 2116 Editable editable = getText(); 2117 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2118 if (start == -1 || end == -1) { 2119 Log.d(TAG, "The chip being selected no longer exists but should."); 2120 } else { 2121 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2122 } 2123 newChip.setSelected(true); 2124 if (shouldShowEditableText(newChip)) { 2125 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2126 } 2127 showAlternates(newChip, mAlternatesPopup, getWidth()); 2128 setCursorVisible(false); 2129 return newChip; 2130 } 2131 } 2132 2133 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2134 long contactId = currentChip.getContactId(); 2135 return contactId == RecipientEntry.INVALID_CONTACT 2136 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2137 } 2138 2139 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2140 int width) { 2141 if (!mAttachedToWindow) { 2142 return; 2143 } 2144 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2145 int bottom = calculateOffsetFromBottom(line); 2146 // Align the alternates popup with the left side of the View, 2147 // regardless of the position of the chip tapped. 2148 popup.setWidth(width); 2149 popup.setAnchorView(this); 2150 popup.setVerticalOffset(bottom); 2151 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2152 popup.setOnItemClickListener(new OnItemClickListener() { 2153 @Override 2154 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2155 unselectChip(currentChip); 2156 popup.dismiss(); 2157 } 2158 }); 2159 popup.show(); 2160 ListView listView = popup.getListView(); 2161 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2162 listView.setItemChecked(0, true); 2163 } 2164 2165 /** 2166 * Remove selection from this chip. Unselecting a RecipientChip will render 2167 * the chip without a delete icon and with an unfocused background. This is 2168 * called when the RecipientChip no longer has focus. 2169 */ 2170 private void unselectChip(DrawableRecipientChip chip) { 2171 int start = getChipStart(chip); 2172 int end = getChipEnd(chip); 2173 Editable editable = getText(); 2174 mSelectedChip = null; 2175 if (start == -1 || end == -1) { 2176 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2177 setSelection(editable.length()); 2178 commitDefault(); 2179 } else { 2180 getSpannable().removeSpan(chip); 2181 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2182 editable.removeSpan(chip); 2183 try { 2184 if (!mNoChips) { 2185 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2186 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2187 } 2188 } catch (NullPointerException e) { 2189 Log.e(TAG, e.getMessage(), e); 2190 } 2191 } 2192 setCursorVisible(true); 2193 setSelection(editable.length()); 2194 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2195 mAlternatesPopup.dismiss(); 2196 } 2197 } 2198 2199 /** 2200 * Return whether a touch event was inside the delete target of 2201 * a selected chip. It is in the delete target if: 2202 * 1) the x and y points of the event are within the 2203 * delete assset. 2204 * 2) the point tapped would have caused a cursor to appear 2205 * right after the selected chip. 2206 * @return boolean 2207 */ 2208 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2209 // Figure out the bounds of this chip and whether or not 2210 // the user clicked in the X portion. 2211 // TODO: Should x and y be used, or removed? 2212 if (mDisableDelete) { 2213 return false; 2214 } 2215 2216 return chip.isSelected() && 2217 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2218 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2219 } 2220 2221 /** 2222 * Remove the chip and any text associated with it from the RecipientEditTextView. 2223 */ 2224 // Visible for testing. 2225 /* package */void removeChip(DrawableRecipientChip chip) { 2226 Spannable spannable = getSpannable(); 2227 int spanStart = spannable.getSpanStart(chip); 2228 int spanEnd = spannable.getSpanEnd(chip); 2229 Editable text = getText(); 2230 int toDelete = spanEnd; 2231 boolean wasSelected = chip == mSelectedChip; 2232 // Clear that there is a selected chip before updating any text. 2233 if (wasSelected) { 2234 mSelectedChip = null; 2235 } 2236 // Always remove trailing spaces when removing a chip. 2237 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2238 toDelete++; 2239 } 2240 spannable.removeSpan(chip); 2241 if (spanStart >= 0 && toDelete > 0) { 2242 text.delete(spanStart, toDelete); 2243 } 2244 if (wasSelected) { 2245 clearSelectedChip(); 2246 } 2247 } 2248 2249 /** 2250 * Replace this currently selected chip with a new chip 2251 * that uses the contact data provided. 2252 */ 2253 // Visible for testing. 2254 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2255 boolean wasSelected = chip == mSelectedChip; 2256 if (wasSelected) { 2257 mSelectedChip = null; 2258 } 2259 int start = getChipStart(chip); 2260 int end = getChipEnd(chip); 2261 getSpannable().removeSpan(chip); 2262 Editable editable = getText(); 2263 CharSequence chipText = createChip(entry, false); 2264 if (chipText != null) { 2265 if (start == -1 || end == -1) { 2266 Log.e(TAG, "The chip to replace does not exist but should."); 2267 editable.insert(0, chipText); 2268 } else { 2269 if (!TextUtils.isEmpty(chipText)) { 2270 // There may be a space to replace with this chip's new 2271 // associated space. Check for it 2272 int toReplace = end; 2273 while (toReplace >= 0 && toReplace < editable.length() 2274 && editable.charAt(toReplace) == ' ') { 2275 toReplace++; 2276 } 2277 editable.replace(start, toReplace, chipText); 2278 } 2279 } 2280 } 2281 setCursorVisible(true); 2282 if (wasSelected) { 2283 clearSelectedChip(); 2284 } 2285 } 2286 2287 /** 2288 * Handle click events for a chip. When a selected chip receives a click 2289 * event, see if that event was in the delete icon. If so, delete it. 2290 * Otherwise, unselect the chip. 2291 */ 2292 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2293 if (chip.isSelected()) { 2294 if (isInDelete(chip, offset, x, y)) { 2295 removeChip(chip); 2296 } else { 2297 clearSelectedChip(); 2298 } 2299 } 2300 } 2301 2302 private boolean chipsPending() { 2303 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2304 } 2305 2306 @Override 2307 public void removeTextChangedListener(TextWatcher watcher) { 2308 mTextWatcher = null; 2309 super.removeTextChangedListener(watcher); 2310 } 2311 2312 private boolean isValidEmailAddress(String input) { 2313 return !TextUtils.isEmpty(input) && mValidator != null && 2314 mValidator.isValid(input); 2315 } 2316 2317 private class RecipientTextWatcher implements TextWatcher { 2318 2319 @Override 2320 public void afterTextChanged(Editable s) { 2321 // If the text has been set to null or empty, make sure we remove 2322 // all the spans we applied. 2323 if (TextUtils.isEmpty(s)) { 2324 // Remove all the chips spans. 2325 Spannable spannable = getSpannable(); 2326 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2327 DrawableRecipientChip.class); 2328 for (DrawableRecipientChip chip : chips) { 2329 spannable.removeSpan(chip); 2330 } 2331 if (mMoreChip != null) { 2332 spannable.removeSpan(mMoreChip); 2333 } 2334 clearSelectedChip(); 2335 return; 2336 } 2337 // Get whether there are any recipients pending addition to the 2338 // view. If there are, don't do anything in the text watcher. 2339 if (chipsPending()) { 2340 return; 2341 } 2342 // If the user is editing a chip, don't clear it. 2343 if (mSelectedChip != null) { 2344 if (!isGeneratedContact(mSelectedChip)) { 2345 setCursorVisible(true); 2346 setSelection(getText().length()); 2347 clearSelectedChip(); 2348 } else { 2349 return; 2350 } 2351 } 2352 int length = s.length(); 2353 // Make sure there is content there to parse and that it is 2354 // not just the commit character. 2355 if (length > 1) { 2356 if (lastCharacterIsCommitCharacter(s)) { 2357 commitByCharacter(); 2358 return; 2359 } 2360 char last; 2361 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2362 int len = length() - 1; 2363 if (end != len) { 2364 last = s.charAt(end); 2365 } else { 2366 last = s.charAt(len); 2367 } 2368 if (last == COMMIT_CHAR_SPACE) { 2369 if (!isPhoneQuery()) { 2370 // Check if this is a valid email address. If it is, 2371 // commit it. 2372 String text = getText().toString(); 2373 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2374 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2375 tokenStart)); 2376 if (isValidEmailAddress(sub)) { 2377 commitByCharacter(); 2378 } 2379 } 2380 } 2381 } 2382 } 2383 2384 @Override 2385 public void onTextChanged(CharSequence s, int start, int before, int count) { 2386 // The user deleted some text OR some text was replaced; check to 2387 // see if the insertion point is on a space 2388 // following a chip. 2389 if (before - count == 1) { 2390 // If the item deleted is a space, and the thing before the 2391 // space is a chip, delete the entire span. 2392 int selStart = getSelectionStart(); 2393 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2394 DrawableRecipientChip.class); 2395 if (repl.length > 0) { 2396 // There is a chip there! Just remove it. 2397 Editable editable = getText(); 2398 // Add the separator token. 2399 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2400 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2401 tokenEnd = tokenEnd + 1; 2402 if (tokenEnd > editable.length()) { 2403 tokenEnd = editable.length(); 2404 } 2405 editable.delete(tokenStart, tokenEnd); 2406 getSpannable().removeSpan(repl[0]); 2407 } 2408 } else if (count > before) { 2409 if (mSelectedChip != null 2410 && isGeneratedContact(mSelectedChip)) { 2411 if (lastCharacterIsCommitCharacter(s)) { 2412 commitByCharacter(); 2413 return; 2414 } 2415 } 2416 } 2417 } 2418 2419 @Override 2420 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2421 // Do nothing. 2422 } 2423 } 2424 2425 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2426 char last; 2427 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2428 int len = length() - 1; 2429 if (end != len) { 2430 last = s.charAt(end); 2431 } else { 2432 last = s.charAt(len); 2433 } 2434 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2435 } 2436 2437 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2438 long contactId = chip.getContactId(); 2439 return contactId == RecipientEntry.INVALID_CONTACT 2440 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2441 } 2442 2443 /** 2444 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2445 */ 2446 private void handlePasteClip(ClipData clip) { 2447 removeTextChangedListener(mTextWatcher); 2448 2449 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2450 for (int i = 0; i < clip.getItemCount(); i++) { 2451 CharSequence paste = clip.getItemAt(i).getText(); 2452 if (paste != null) { 2453 int start = getSelectionStart(); 2454 int end = getSelectionEnd(); 2455 Editable editable = getText(); 2456 if (start >= 0 && end >= 0 && start != end) { 2457 editable.append(paste, start, end); 2458 } else { 2459 editable.insert(end, paste); 2460 } 2461 handlePasteAndReplace(); 2462 } 2463 } 2464 } 2465 2466 mHandler.post(mAddTextWatcher); 2467 } 2468 2469 @Override 2470 public boolean onTextContextMenuItem(int id) { 2471 if (id == android.R.id.paste) { 2472 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2473 Context.CLIPBOARD_SERVICE); 2474 handlePasteClip(clipboard.getPrimaryClip()); 2475 return true; 2476 } 2477 return super.onTextContextMenuItem(id); 2478 } 2479 2480 private void handlePasteAndReplace() { 2481 ArrayList<DrawableRecipientChip> created = handlePaste(); 2482 if (created != null && created.size() > 0) { 2483 // Perform reverse lookups on the pasted contacts. 2484 IndividualReplacementTask replace = new IndividualReplacementTask(); 2485 replace.execute(created); 2486 } 2487 } 2488 2489 // Visible for testing. 2490 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2491 String text = getText().toString(); 2492 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2493 String lastAddress = text.substring(originalTokenStart); 2494 int tokenStart = originalTokenStart; 2495 int prevTokenStart = 0; 2496 DrawableRecipientChip findChip = null; 2497 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2498 if (tokenStart != 0) { 2499 // There are things before this! 2500 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2501 prevTokenStart = tokenStart; 2502 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2503 findChip = findChip(tokenStart); 2504 if (tokenStart == originalTokenStart && findChip == null) { 2505 break; 2506 } 2507 } 2508 if (tokenStart != originalTokenStart) { 2509 if (findChip != null) { 2510 tokenStart = prevTokenStart; 2511 } 2512 int tokenEnd; 2513 DrawableRecipientChip createdChip; 2514 while (tokenStart < originalTokenStart) { 2515 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2516 tokenStart)); 2517 commitChip(tokenStart, tokenEnd, getText()); 2518 createdChip = findChip(tokenStart); 2519 if (createdChip == null) { 2520 break; 2521 } 2522 // +1 for the space at the end. 2523 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2524 created.add(createdChip); 2525 } 2526 } 2527 } 2528 // Take a look at the last token. If the token has been completed with a 2529 // commit character, create a chip. 2530 if (isCompletedToken(lastAddress)) { 2531 Editable editable = getText(); 2532 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2533 commitChip(tokenStart, editable.length(), editable); 2534 created.add(findChip(tokenStart)); 2535 } 2536 return created; 2537 } 2538 2539 // Visible for testing. 2540 /* package */int movePastTerminators(int tokenEnd) { 2541 if (tokenEnd >= length()) { 2542 return tokenEnd; 2543 } 2544 char atEnd = getText().toString().charAt(tokenEnd); 2545 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2546 tokenEnd++; 2547 } 2548 // This token had not only an end token character, but also a space 2549 // separating it from the next token. 2550 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2551 tokenEnd++; 2552 } 2553 return tokenEnd; 2554 } 2555 2556 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2557 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2558 try { 2559 if (mNoChips) { 2560 return null; 2561 } 2562 return constructChipSpan(entry, false); 2563 } catch (NullPointerException e) { 2564 Log.e(TAG, e.getMessage(), e); 2565 return null; 2566 } 2567 } 2568 2569 @Override 2570 protected void onPreExecute() { 2571 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2572 // replaced 2573 final List<DrawableRecipientChip> originalRecipients = 2574 new ArrayList<DrawableRecipientChip>(); 2575 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2576 for (int i = 0; i < existingChips.length; i++) { 2577 originalRecipients.add(existingChips[i]); 2578 } 2579 if (mRemovedSpans != null) { 2580 originalRecipients.addAll(mRemovedSpans); 2581 } 2582 2583 final List<DrawableRecipientChip> replacements = 2584 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2585 2586 for (final DrawableRecipientChip chip : originalRecipients) { 2587 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2588 && getSpannable().getSpanStart(chip) != -1) { 2589 replacements.add(createFreeChip(chip.getEntry())); 2590 } else { 2591 replacements.add(null); 2592 } 2593 } 2594 2595 processReplacements(originalRecipients, replacements); 2596 } 2597 2598 @Override 2599 protected Void doInBackground(Void... params) { 2600 if (mIndividualReplacements != null) { 2601 mIndividualReplacements.cancel(true); 2602 } 2603 // For each chip in the list, look up the matching contact. 2604 // If there is a match, replace that chip with the matching 2605 // chip. 2606 final ArrayList<DrawableRecipientChip> recipients = 2607 new ArrayList<DrawableRecipientChip>(); 2608 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2609 for (int i = 0; i < existingChips.length; i++) { 2610 recipients.add(existingChips[i]); 2611 } 2612 if (mRemovedSpans != null) { 2613 recipients.addAll(mRemovedSpans); 2614 } 2615 ArrayList<String> addresses = new ArrayList<String>(); 2616 DrawableRecipientChip chip; 2617 for (int i = 0; i < recipients.size(); i++) { 2618 chip = recipients.get(i); 2619 if (chip != null) { 2620 addresses.add(createAddressText(chip.getEntry())); 2621 } 2622 } 2623 final BaseRecipientAdapter adapter = getAdapter(); 2624 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2625 adapter.getAccount(), new RecipientMatchCallback() { 2626 @Override 2627 public void matchesFound(Map<String, RecipientEntry> entries) { 2628 final ArrayList<DrawableRecipientChip> replacements = 2629 new ArrayList<DrawableRecipientChip>(); 2630 for (final DrawableRecipientChip temp : recipients) { 2631 RecipientEntry entry = null; 2632 if (temp != null && RecipientEntry.isCreatedRecipient( 2633 temp.getEntry().getContactId()) 2634 && getSpannable().getSpanStart(temp) != -1) { 2635 // Replace this. 2636 entry = createValidatedEntry( 2637 entries.get(tokenizeAddress(temp.getEntry() 2638 .getDestination()))); 2639 } 2640 if (entry != null) { 2641 replacements.add(createFreeChip(entry)); 2642 } else { 2643 replacements.add(null); 2644 } 2645 } 2646 processReplacements(recipients, replacements); 2647 } 2648 2649 @Override 2650 public void matchesNotFound(final Set<String> unfoundAddresses) { 2651 final List<DrawableRecipientChip> replacements = 2652 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2653 2654 for (final DrawableRecipientChip temp : recipients) { 2655 if (temp != null && RecipientEntry.isCreatedRecipient( 2656 temp.getEntry().getContactId()) 2657 && getSpannable().getSpanStart(temp) != -1) { 2658 if (unfoundAddresses.contains( 2659 temp.getEntry().getDestination())) { 2660 replacements.add(createFreeChip(temp.getEntry())); 2661 } else { 2662 replacements.add(null); 2663 } 2664 } else { 2665 replacements.add(null); 2666 } 2667 } 2668 2669 processReplacements(recipients, replacements); 2670 } 2671 }); 2672 return null; 2673 } 2674 2675 private void processReplacements(final List<DrawableRecipientChip> recipients, 2676 final List<DrawableRecipientChip> replacements) { 2677 if (replacements != null && replacements.size() > 0) { 2678 final Runnable runnable = new Runnable() { 2679 @Override 2680 public void run() { 2681 final Editable text = new SpannableStringBuilder(getText()); 2682 int i = 0; 2683 for (final DrawableRecipientChip chip : recipients) { 2684 final DrawableRecipientChip replacement = replacements.get(i); 2685 if (replacement != null) { 2686 final RecipientEntry oldEntry = chip.getEntry(); 2687 final RecipientEntry newEntry = replacement.getEntry(); 2688 final boolean isBetter = 2689 RecipientAlternatesAdapter.getBetterRecipient( 2690 oldEntry, newEntry) == newEntry; 2691 2692 if (isBetter) { 2693 // Find the location of the chip in the text currently shown. 2694 final int start = text.getSpanStart(chip); 2695 if (start != -1) { 2696 // Replacing the entirety of what the chip represented, 2697 // including the extra space dividing it from other chips. 2698 final int end = 2699 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2700 text.removeSpan(chip); 2701 // Make sure we always have just 1 space at the end to 2702 // separate this chip from the next chip. 2703 final SpannableString displayText = 2704 new SpannableString(createAddressText( 2705 replacement.getEntry()).trim() + " "); 2706 displayText.setSpan(replacement, 0, 2707 displayText.length() - 1, 2708 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2709 // Replace the old text we found with with the new display 2710 // text, which now may also contain the display name of the 2711 // recipient. 2712 text.replace(start, end, displayText); 2713 replacement.setOriginalText(displayText.toString()); 2714 replacements.set(i, null); 2715 2716 recipients.set(i, replacement); 2717 } 2718 } 2719 } 2720 i++; 2721 } 2722 setText(text); 2723 } 2724 }; 2725 2726 if (Looper.myLooper() == Looper.getMainLooper()) { 2727 runnable.run(); 2728 } else { 2729 mHandler.post(runnable); 2730 } 2731 } 2732 } 2733 } 2734 2735 private class IndividualReplacementTask 2736 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2737 @Override 2738 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2739 // For each chip in the list, look up the matching contact. 2740 // If there is a match, replace that chip with the matching 2741 // chip. 2742 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2743 ArrayList<String> addresses = new ArrayList<String>(); 2744 DrawableRecipientChip chip; 2745 for (int i = 0; i < originalRecipients.size(); i++) { 2746 chip = originalRecipients.get(i); 2747 if (chip != null) { 2748 addresses.add(createAddressText(chip.getEntry())); 2749 } 2750 } 2751 final BaseRecipientAdapter adapter = getAdapter(); 2752 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2753 adapter.getAccount(), 2754 new RecipientMatchCallback() { 2755 2756 @Override 2757 public void matchesFound(Map<String, RecipientEntry> entries) { 2758 for (final DrawableRecipientChip temp : originalRecipients) { 2759 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2760 .getContactId()) 2761 && getSpannable().getSpanStart(temp) != -1) { 2762 // Replace this. 2763 final RecipientEntry entry = createValidatedEntry(entries 2764 .get(tokenizeAddress(temp.getEntry().getDestination()) 2765 .toLowerCase())); 2766 if (entry != null) { 2767 mHandler.post(new Runnable() { 2768 @Override 2769 public void run() { 2770 replaceChip(temp, entry); 2771 } 2772 }); 2773 } 2774 } 2775 } 2776 } 2777 2778 @Override 2779 public void matchesNotFound(final Set<String> unfoundAddresses) { 2780 // No action required 2781 } 2782 }); 2783 return null; 2784 } 2785 } 2786 2787 2788 /** 2789 * MoreImageSpan is a simple class created for tracking the existence of a 2790 * more chip across activity restarts/ 2791 */ 2792 private class MoreImageSpan extends ImageSpan { 2793 public MoreImageSpan(Drawable b) { 2794 super(b); 2795 } 2796 } 2797 2798 @Override 2799 public boolean onDown(MotionEvent e) { 2800 return false; 2801 } 2802 2803 @Override 2804 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2805 // Do nothing. 2806 return false; 2807 } 2808 2809 @Override 2810 public void onLongPress(MotionEvent event) { 2811 if (mSelectedChip != null) { 2812 return; 2813 } 2814 float x = event.getX(); 2815 float y = event.getY(); 2816 final int offset = putOffsetInRange(x, y); 2817 DrawableRecipientChip currentChip = findChip(offset); 2818 if (currentChip != null) { 2819 if (mDragEnabled) { 2820 // Start drag-and-drop for the selected chip. 2821 startDrag(currentChip); 2822 } else { 2823 // Copy the selected chip email address. 2824 showCopyDialog(currentChip.getEntry().getDestination()); 2825 } 2826 } 2827 } 2828 2829 // The following methods are used to provide some functionality on older versions of Android 2830 // These methods were copied out of JB MR2's TextView 2831 ///////////////////////////////////////////////// 2832 private int supportGetOffsetForPosition(float x, float y) { 2833 if (getLayout() == null) return -1; 2834 final int line = supportGetLineAtCoordinate(y); 2835 final int offset = supportGetOffsetAtCoordinate(line, x); 2836 return offset; 2837 } 2838 2839 private float supportConvertToLocalHorizontalCoordinate(float x) { 2840 x -= getTotalPaddingLeft(); 2841 // Clamp the position to inside of the view. 2842 x = Math.max(0.0f, x); 2843 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2844 x += getScrollX(); 2845 return x; 2846 } 2847 2848 private int supportGetLineAtCoordinate(float y) { 2849 y -= getTotalPaddingLeft(); 2850 // Clamp the position to inside of the view. 2851 y = Math.max(0.0f, y); 2852 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2853 y += getScrollY(); 2854 return getLayout().getLineForVertical((int) y); 2855 } 2856 2857 private int supportGetOffsetAtCoordinate(int line, float x) { 2858 x = supportConvertToLocalHorizontalCoordinate(x); 2859 return getLayout().getOffsetForHorizontal(line, x); 2860 } 2861 ///////////////////////////////////////////////// 2862 2863 /** 2864 * Enables drag-and-drop for chips. 2865 */ 2866 public void enableDrag() { 2867 mDragEnabled = true; 2868 } 2869 2870 /** 2871 * Starts drag-and-drop for the selected chip. 2872 */ 2873 private void startDrag(DrawableRecipientChip currentChip) { 2874 String address = currentChip.getEntry().getDestination(); 2875 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2876 2877 // Start drag mode. 2878 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2879 2880 // Remove the current chip, so drag-and-drop will result in a move. 2881 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2882 removeChip(currentChip); 2883 } 2884 2885 /** 2886 * Handles drag event. 2887 */ 2888 @Override 2889 public boolean onDragEvent(DragEvent event) { 2890 switch (event.getAction()) { 2891 case DragEvent.ACTION_DRAG_STARTED: 2892 // Only handle plain text drag and drop. 2893 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2894 case DragEvent.ACTION_DRAG_ENTERED: 2895 requestFocus(); 2896 return true; 2897 case DragEvent.ACTION_DROP: 2898 handlePasteClip(event.getClipData()); 2899 return true; 2900 } 2901 return false; 2902 } 2903 2904 /** 2905 * Drag shadow for a {@link DrawableRecipientChip}. 2906 */ 2907 private final class RecipientChipShadow extends DragShadowBuilder { 2908 private final DrawableRecipientChip mChip; 2909 2910 public RecipientChipShadow(DrawableRecipientChip chip) { 2911 mChip = chip; 2912 } 2913 2914 @Override 2915 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2916 Rect rect = mChip.getBounds(); 2917 shadowSize.set(rect.width(), rect.height()); 2918 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2919 } 2920 2921 @Override 2922 public void onDrawShadow(Canvas canvas) { 2923 mChip.draw(canvas); 2924 } 2925 } 2926 2927 private void showCopyDialog(final String address) { 2928 if (!mAttachedToWindow) { 2929 return; 2930 } 2931 mCopyAddress = address; 2932 mCopyDialog.setTitle(address); 2933 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2934 mCopyDialog.setCancelable(true); 2935 mCopyDialog.setCanceledOnTouchOutside(true); 2936 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2937 button.setOnClickListener(this); 2938 int btnTitleId; 2939 if (isPhoneQuery()) { 2940 btnTitleId = R.string.copy_number; 2941 } else { 2942 btnTitleId = R.string.copy_email; 2943 } 2944 String buttonTitle = getContext().getResources().getString(btnTitleId); 2945 button.setText(buttonTitle); 2946 mCopyDialog.setOnDismissListener(this); 2947 mCopyDialog.show(); 2948 } 2949 2950 @Override 2951 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2952 // Do nothing. 2953 return false; 2954 } 2955 2956 @Override 2957 public void onShowPress(MotionEvent e) { 2958 // Do nothing. 2959 } 2960 2961 @Override 2962 public boolean onSingleTapUp(MotionEvent e) { 2963 // Do nothing. 2964 return false; 2965 } 2966 2967 @Override 2968 public void onDismiss(DialogInterface dialog) { 2969 mCopyAddress = null; 2970 } 2971 2972 @Override 2973 public void onClick(View v) { 2974 // Copy this to the clipboard. 2975 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2976 Context.CLIPBOARD_SERVICE); 2977 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2978 mCopyDialog.dismiss(); 2979 } 2980 2981 protected boolean isPhoneQuery() { 2982 return getAdapter() != null 2983 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2984 } 2985 2986 @Override 2987 public BaseRecipientAdapter getAdapter() { 2988 return (BaseRecipientAdapter) super.getAdapter(); 2989 } 2990} 2991