RecipientEditTextView.java revision 9b398e3019d1e12c661647a277a338975a50d952
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 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 mAttachedToWindow = false; 331 } 332 333 @Override 334 protected void onAttachedToWindow() { 335 mAttachedToWindow = true; 336 } 337 338 @Override 339 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 340 if (action == EditorInfo.IME_ACTION_DONE) { 341 if (commitDefault()) { 342 return true; 343 } 344 if (mSelectedChip != null) { 345 clearSelectedChip(); 346 return true; 347 } else if (focusNext()) { 348 return true; 349 } 350 } 351 return false; 352 } 353 354 @Override 355 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 356 InputConnection connection = super.onCreateInputConnection(outAttrs); 357 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 358 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 359 // clear the existing action 360 outAttrs.imeOptions ^= imeActions; 361 // set the DONE action 362 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 363 } 364 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 365 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 366 } 367 368 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 369 outAttrs.actionLabel = getContext().getString(R.string.done); 370 return connection; 371 } 372 373 /*package*/ DrawableRecipientChip getLastChip() { 374 DrawableRecipientChip last = null; 375 DrawableRecipientChip[] chips = getSortedRecipients(); 376 if (chips != null && chips.length > 0) { 377 last = chips[chips.length - 1]; 378 } 379 return last; 380 } 381 382 @Override 383 public void onSelectionChanged(int start, int end) { 384 // When selection changes, see if it is inside the chips area. 385 // If so, move the cursor back after the chips again. 386 DrawableRecipientChip last = getLastChip(); 387 if (last != null && start < getSpannable().getSpanEnd(last)) { 388 // Grab the last chip and set the cursor to after it. 389 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 390 } 391 super.onSelectionChanged(start, end); 392 } 393 394 @Override 395 public void onRestoreInstanceState(Parcelable state) { 396 if (!TextUtils.isEmpty(getText())) { 397 super.onRestoreInstanceState(null); 398 } else { 399 super.onRestoreInstanceState(state); 400 } 401 } 402 403 @Override 404 public Parcelable onSaveInstanceState() { 405 // If the user changes orientation while they are editing, just roll back the selection. 406 clearSelectedChip(); 407 return super.onSaveInstanceState(); 408 } 409 410 /** 411 * Convenience method: Append the specified text slice to the TextView's 412 * display buffer, upgrading it to BufferType.EDITABLE if it was 413 * not already editable. Commas are excluded as they are added automatically 414 * by the view. 415 */ 416 @Override 417 public void append(CharSequence text, int start, int end) { 418 // We don't care about watching text changes while appending. 419 if (mTextWatcher != null) { 420 removeTextChangedListener(mTextWatcher); 421 } 422 super.append(text, start, end); 423 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 424 String displayString = text.toString(); 425 426 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 427 // We have no separator, so we should add it 428 super.append(SEPARATOR, 0, SEPARATOR.length()); 429 displayString += SEPARATOR; 430 } 431 432 if (!TextUtils.isEmpty(displayString) 433 && TextUtils.getTrimmedLength(displayString) > 0) { 434 mPendingChipsCount++; 435 mPendingChips.add(displayString); 436 } 437 } 438 // Put a message on the queue to make sure we ALWAYS handle pending 439 // chips. 440 if (mPendingChipsCount > 0) { 441 postHandlePendingChips(); 442 } 443 mHandler.post(mAddTextWatcher); 444 } 445 446 @Override 447 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 448 super.onFocusChanged(hasFocus, direction, previous); 449 if (!hasFocus) { 450 shrink(); 451 } else { 452 expand(); 453 } 454 } 455 456 private int getExcessTopPadding() { 457 if (sExcessTopPadding == -1) { 458 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 459 } 460 return sExcessTopPadding; 461 } 462 463 @Override 464 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 465 super.setAdapter(adapter); 466 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 467 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 468 @Override 469 public void onChanged(List<RecipientEntry> entries) { 470 // Scroll the chips field to the top of the screen so 471 // that the user can see as many results as possible. 472 if (entries != null && entries.size() > 0) { 473 scrollBottomIntoView(); 474 } 475 } 476 }); 477 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 478 } 479 480 protected void scrollBottomIntoView() { 481 if (mScrollView != null && mShouldShrink) { 482 int[] location = new int[2]; 483 getLocationOnScreen(location); 484 int height = getHeight(); 485 int currentPos = location[1] + height; 486 // Desired position shows at least 1 line of chips below the action 487 // bar. We add excess padding to make sure this is always below other 488 // content. 489 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 490 if (currentPos > desiredPos) { 491 mScrollView.scrollBy(0, currentPos - desiredPos); 492 } 493 } 494 } 495 496 protected ScrollView getScrollView() { 497 return mScrollView; 498 } 499 500 @Override 501 public void performValidation() { 502 // Do nothing. Chips handles its own validation. 503 } 504 505 private void shrink() { 506 if (mTokenizer == null) { 507 return; 508 } 509 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 510 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 511 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 512 clearSelectedChip(); 513 } else { 514 if (getWidth() <= 0) { 515 // We don't have the width yet which means the view hasn't been drawn yet 516 // and there is no reason to attempt to commit chips yet. 517 // This focus lost must be the result of an orientation change 518 // or an initial rendering. 519 // Re-post the shrink for later. 520 mHandler.removeCallbacks(mDelayedShrink); 521 mHandler.post(mDelayedShrink); 522 return; 523 } 524 // Reset any pending chips as they would have been handled 525 // when the field lost focus. 526 if (mPendingChipsCount > 0) { 527 postHandlePendingChips(); 528 } else { 529 Editable editable = getText(); 530 int end = getSelectionEnd(); 531 int start = mTokenizer.findTokenStart(editable, end); 532 DrawableRecipientChip[] chips = 533 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 534 if ((chips == null || chips.length == 0)) { 535 Editable text = getText(); 536 int whatEnd = mTokenizer.findTokenEnd(text, start); 537 // This token was already tokenized, so skip past the ending token. 538 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 539 whatEnd = movePastTerminators(whatEnd); 540 } 541 // In the middle of chip; treat this as an edit 542 // and commit the whole token. 543 int selEnd = getSelectionEnd(); 544 if (whatEnd != selEnd) { 545 handleEdit(start, whatEnd); 546 } else { 547 commitChip(start, end, editable); 548 } 549 } 550 } 551 mHandler.post(mAddTextWatcher); 552 } 553 createMoreChip(); 554 } 555 556 private void expand() { 557 if (mShouldShrink) { 558 setMaxLines(Integer.MAX_VALUE); 559 } 560 removeMoreChip(); 561 setCursorVisible(true); 562 Editable text = getText(); 563 setSelection(text != null && text.length() > 0 ? text.length() : 0); 564 // If there are any temporary chips, try replacing them now that the user 565 // has expanded the field. 566 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 567 new RecipientReplacementTask().execute(); 568 mTemporaryRecipients = null; 569 } 570 } 571 572 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 573 paint.setTextSize(mChipFontSize); 574 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 575 Log.d(TAG, "Max width is negative: " + maxWidth); 576 } 577 return TextUtils.ellipsize(text, paint, maxWidth, 578 TextUtils.TruncateAt.END); 579 } 580 581 /** 582 * Creates a bitmap of the given contact on a selected chip. 583 * 584 * @param contact The recipient entry to pull data from. 585 * @param paint The paint to use to draw the bitmap. 586 */ 587 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 588 paint.setColor(sSelectedTextColor); 589 Bitmap photo; 590 if (mDisableDelete) { 591 // Show the avatar instead if we don't want to delete 592 photo = getAvatarIcon(contact); 593 } else { 594 photo = ((BitmapDrawable) mChipDelete).getBitmap(); 595 } 596 return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); 597 } 598 599 /** 600 * Creates a bitmap of the given contact on a selected chip. 601 * 602 * @param contact The recipient entry to pull data from. 603 * @param paint The paint to use to draw the bitmap. 604 */ 605 // TODO: Is leaveBlankIconSpacer obsolete now that we have left and right attributes? 606 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 607 boolean leaveBlankIconSpacer) { 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 boolean leaveIconSpace) 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, leaveIconSpace); 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 > getWidth()) { 932 // Need to redraw that chip. 933 replaceChip(chip, chip.getEntry()); 934 } 935 } 936 } 937 } 938 939 // Visible for testing. 940 /*package*/ void handlePendingChips() { 941 if (getViewWidth() <= 0) { 942 // The widget has not been sized yet. 943 // This will be called as a result of onSizeChanged 944 // at a later point. 945 return; 946 } 947 if (mPendingChipsCount <= 0) { 948 return; 949 } 950 951 synchronized (mPendingChips) { 952 Editable editable = getText(); 953 // Tokenize! 954 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 955 for (int i = 0; i < mPendingChips.size(); i++) { 956 String current = mPendingChips.get(i); 957 int tokenStart = editable.toString().indexOf(current); 958 // Always leave a space at the end between tokens. 959 int tokenEnd = tokenStart + current.length() - 1; 960 if (tokenStart >= 0) { 961 // When we have a valid token, include it with the token 962 // to the left. 963 if (tokenEnd < editable.length() - 2 964 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 965 tokenEnd++; 966 } 967 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 968 || !mShouldShrink); 969 } 970 mPendingChipsCount--; 971 } 972 sanitizeEnd(); 973 } else { 974 mNoChips = true; 975 } 976 977 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 978 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 979 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 980 new RecipientReplacementTask().execute(); 981 mTemporaryRecipients = null; 982 } else { 983 // Create the "more" chip 984 mIndividualReplacements = new IndividualReplacementTask(); 985 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 986 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 987 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 988 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 989 mTemporaryRecipients.subList(CHIP_LIMIT, 990 mTemporaryRecipients.size())); 991 } else { 992 mTemporaryRecipients = null; 993 } 994 createMoreChip(); 995 } 996 } else { 997 // There are too many recipients to look up, so just fall back 998 // to showing addresses for all of them. 999 mTemporaryRecipients = null; 1000 createMoreChip(); 1001 } 1002 mPendingChipsCount = 0; 1003 mPendingChips.clear(); 1004 } 1005 } 1006 1007 // Visible for testing. 1008 /*package*/ int getViewWidth() { 1009 return getWidth(); 1010 } 1011 1012 /** 1013 * Remove any characters after the last valid chip. 1014 */ 1015 // Visible for testing. 1016 /*package*/ void sanitizeEnd() { 1017 // Don't sanitize while we are waiting for pending chips to complete. 1018 if (mPendingChipsCount > 0) { 1019 return; 1020 } 1021 // Find the last chip; eliminate any commit characters after it. 1022 DrawableRecipientChip[] chips = getSortedRecipients(); 1023 Spannable spannable = getSpannable(); 1024 if (chips != null && chips.length > 0) { 1025 int end; 1026 mMoreChip = getMoreChip(); 1027 if (mMoreChip != null) { 1028 end = spannable.getSpanEnd(mMoreChip); 1029 } else { 1030 end = getSpannable().getSpanEnd(getLastChip()); 1031 } 1032 Editable editable = getText(); 1033 int length = editable.length(); 1034 if (length > end) { 1035 // See what characters occur after that and eliminate them. 1036 if (Log.isLoggable(TAG, Log.DEBUG)) { 1037 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1038 + editable); 1039 } 1040 editable.delete(end + 1, length); 1041 } 1042 } 1043 } 1044 1045 /** 1046 * Create a chip that represents just the email address of a recipient. At some later 1047 * point, this chip will be attached to a real contact entry, if one exists. 1048 */ 1049 // VisibleForTesting 1050 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1051 boolean visible) { 1052 if (alreadyHasChip(tokenStart, tokenEnd)) { 1053 // There is already a chip present at this location. 1054 // Don't recreate it. 1055 return; 1056 } 1057 String token = editable.toString().substring(tokenStart, tokenEnd); 1058 final String trimmedToken = token.trim(); 1059 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1060 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1061 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1062 } 1063 RecipientEntry entry = createTokenizedEntry(token); 1064 if (entry != null) { 1065 DrawableRecipientChip chip = null; 1066 try { 1067 if (!mNoChips) { 1068 /* 1069 * leave space for the contact icon if this is not just an 1070 * email address 1071 */ 1072 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 1073 || TextUtils.equals(entry.getDisplayName(), 1074 entry.getDestination()); 1075 chip = visible ? 1076 constructChipSpan(entry, false, leaveSpace) 1077 : new InvisibleRecipientChip(entry); 1078 } 1079 } catch (NullPointerException e) { 1080 Log.e(TAG, e.getMessage(), e); 1081 } 1082 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1083 // Add this chip to the list of entries "to replace" 1084 if (chip != null) { 1085 if (mTemporaryRecipients == null) { 1086 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1087 } 1088 chip.setOriginalText(token); 1089 mTemporaryRecipients.add(chip); 1090 } 1091 } 1092 } 1093 1094 private static boolean isPhoneNumber(String number) { 1095 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1096 // PhoneNumberUtil). One complication is that it requires the sender's region which 1097 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1098 if (TextUtils.isEmpty(number)) { 1099 return false; 1100 } 1101 1102 Matcher match = PHONE_PATTERN.matcher(number); 1103 return match.matches(); 1104 } 1105 1106 // VisibleForTesting 1107 RecipientEntry createTokenizedEntry(final String token) { 1108 if (TextUtils.isEmpty(token)) { 1109 return null; 1110 } 1111 if (isPhoneQuery() && isPhoneNumber(token)) { 1112 return RecipientEntry.constructFakePhoneEntry(token, true); 1113 } 1114 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1115 String display = null; 1116 boolean isValid = isValid(token); 1117 if (isValid && tokens != null && tokens.length > 0) { 1118 // If we can get a name from tokenizing, then generate an entry from 1119 // this. 1120 display = tokens[0].getName(); 1121 if (!TextUtils.isEmpty(display)) { 1122 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1123 isValid); 1124 } else { 1125 display = tokens[0].getAddress(); 1126 if (!TextUtils.isEmpty(display)) { 1127 return RecipientEntry.constructFakeEntry(display, isValid); 1128 } 1129 } 1130 } 1131 // Unable to validate the token or to create a valid token from it. 1132 // Just create a chip the user can edit. 1133 String validatedToken = null; 1134 if (mValidator != null && !isValid) { 1135 // Try fixing up the entry using the validator. 1136 validatedToken = mValidator.fixText(token).toString(); 1137 if (!TextUtils.isEmpty(validatedToken)) { 1138 if (validatedToken.contains(token)) { 1139 // protect against the case of a validator with a null 1140 // domain, 1141 // which doesn't add a domain to the token 1142 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1143 if (tokenized.length > 0) { 1144 validatedToken = tokenized[0].getAddress(); 1145 isValid = true; 1146 } 1147 } else { 1148 // We ran into a case where the token was invalid and 1149 // removed 1150 // by the validator. In this case, just use the original 1151 // token 1152 // and let the user sort out the error chip. 1153 validatedToken = null; 1154 isValid = false; 1155 } 1156 } 1157 } 1158 // Otherwise, fallback to just creating an editable email address chip. 1159 return RecipientEntry.constructFakeEntry( 1160 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1161 } 1162 1163 private boolean isValid(String text) { 1164 return mValidator == null ? true : mValidator.isValid(text); 1165 } 1166 1167 private static String tokenizeAddress(String destination) { 1168 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1169 if (tokens != null && tokens.length > 0) { 1170 return tokens[0].getAddress(); 1171 } 1172 return destination; 1173 } 1174 1175 @Override 1176 public void setTokenizer(Tokenizer tokenizer) { 1177 mTokenizer = tokenizer; 1178 super.setTokenizer(mTokenizer); 1179 } 1180 1181 @Override 1182 public void setValidator(Validator validator) { 1183 mValidator = validator; 1184 super.setValidator(validator); 1185 } 1186 1187 /** 1188 * We cannot use the default mechanism for replaceText. Instead, 1189 * we override onItemClickListener so we can get all the associated 1190 * contact information including display text, address, and id. 1191 */ 1192 @Override 1193 protected void replaceText(CharSequence text) { 1194 return; 1195 } 1196 1197 /** 1198 * Dismiss any selected chips when the back key is pressed. 1199 */ 1200 @Override 1201 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1202 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1203 clearSelectedChip(); 1204 return true; 1205 } 1206 return super.onKeyPreIme(keyCode, event); 1207 } 1208 1209 /** 1210 * Monitor key presses in this view to see if the user types 1211 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1212 * If the user has entered text that has contact matches and types 1213 * a commit key, create a chip from the topmost matching contact. 1214 * If the user has entered text that has no contact matches and types 1215 * a commit key, then create a chip from the text they have entered. 1216 */ 1217 @Override 1218 public boolean onKeyUp(int keyCode, KeyEvent event) { 1219 switch (keyCode) { 1220 case KeyEvent.KEYCODE_TAB: 1221 if (event.hasNoModifiers()) { 1222 if (mSelectedChip != null) { 1223 clearSelectedChip(); 1224 } else { 1225 commitDefault(); 1226 } 1227 } 1228 break; 1229 } 1230 return super.onKeyUp(keyCode, event); 1231 } 1232 1233 private boolean focusNext() { 1234 View next = focusSearch(View.FOCUS_DOWN); 1235 if (next != null) { 1236 next.requestFocus(); 1237 return true; 1238 } 1239 return false; 1240 } 1241 1242 /** 1243 * Create a chip from the default selection. If the popup is showing, the 1244 * default is the first item in the popup suggestions list. Otherwise, it is 1245 * whatever the user had typed in. End represents where the the tokenizer 1246 * should search for a token to turn into a chip. 1247 * @return If a chip was created from a real contact. 1248 */ 1249 private boolean commitDefault() { 1250 // If there is no tokenizer, don't try to commit. 1251 if (mTokenizer == null) { 1252 return false; 1253 } 1254 Editable editable = getText(); 1255 int end = getSelectionEnd(); 1256 int start = mTokenizer.findTokenStart(editable, end); 1257 1258 if (shouldCreateChip(start, end)) { 1259 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1260 // In the middle of chip; treat this as an edit 1261 // and commit the whole token. 1262 whatEnd = movePastTerminators(whatEnd); 1263 if (whatEnd != getSelectionEnd()) { 1264 handleEdit(start, whatEnd); 1265 return true; 1266 } 1267 return commitChip(start, end , editable); 1268 } 1269 return false; 1270 } 1271 1272 private void commitByCharacter() { 1273 // We can't possibly commit by character if we can't tokenize. 1274 if (mTokenizer == null) { 1275 return; 1276 } 1277 Editable editable = getText(); 1278 int end = getSelectionEnd(); 1279 int start = mTokenizer.findTokenStart(editable, end); 1280 if (shouldCreateChip(start, end)) { 1281 commitChip(start, end, editable); 1282 } 1283 setSelection(getText().length()); 1284 } 1285 1286 private boolean commitChip(int start, int end, Editable editable) { 1287 ListAdapter adapter = getAdapter(); 1288 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1289 && end == getSelectionEnd() && !isPhoneQuery()) { 1290 // choose the first entry. 1291 submitItemAtPosition(0); 1292 dismissDropDown(); 1293 return true; 1294 } else { 1295 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1296 if (editable.length() > tokenEnd + 1) { 1297 char charAt = editable.charAt(tokenEnd + 1); 1298 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1299 tokenEnd++; 1300 } 1301 } 1302 String text = editable.toString().substring(start, tokenEnd).trim(); 1303 clearComposingText(); 1304 if (text != null && text.length() > 0 && !text.equals(" ")) { 1305 RecipientEntry entry = createTokenizedEntry(text); 1306 if (entry != null) { 1307 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1308 CharSequence chipText = createChip(entry, false); 1309 if (chipText != null && start > -1 && end > -1) { 1310 editable.replace(start, end, chipText); 1311 } 1312 } 1313 // Only dismiss the dropdown if it is related to the text we 1314 // just committed. 1315 // For paste, it may not be as there are possibly multiple 1316 // tokens being added. 1317 if (end == getSelectionEnd()) { 1318 dismissDropDown(); 1319 } 1320 sanitizeBetween(); 1321 return true; 1322 } 1323 } 1324 return false; 1325 } 1326 1327 // Visible for testing. 1328 /* package */ void sanitizeBetween() { 1329 // Don't sanitize while we are waiting for content to chipify. 1330 if (mPendingChipsCount > 0) { 1331 return; 1332 } 1333 // Find the last chip. 1334 DrawableRecipientChip[] recips = getSortedRecipients(); 1335 if (recips != null && recips.length > 0) { 1336 DrawableRecipientChip last = recips[recips.length - 1]; 1337 DrawableRecipientChip beforeLast = null; 1338 if (recips.length > 1) { 1339 beforeLast = recips[recips.length - 2]; 1340 } 1341 int startLooking = 0; 1342 int end = getSpannable().getSpanStart(last); 1343 if (beforeLast != null) { 1344 startLooking = getSpannable().getSpanEnd(beforeLast); 1345 Editable text = getText(); 1346 if (startLooking == -1 || startLooking > text.length() - 1) { 1347 // There is nothing after this chip. 1348 return; 1349 } 1350 if (text.charAt(startLooking) == ' ') { 1351 startLooking++; 1352 } 1353 } 1354 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1355 getText().delete(startLooking, end); 1356 } 1357 } 1358 } 1359 1360 private boolean shouldCreateChip(int start, int end) { 1361 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1362 } 1363 1364 private boolean alreadyHasChip(int start, int end) { 1365 if (mNoChips) { 1366 return true; 1367 } 1368 DrawableRecipientChip[] chips = 1369 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1370 if ((chips == null || chips.length == 0)) { 1371 return false; 1372 } 1373 return true; 1374 } 1375 1376 private void handleEdit(int start, int end) { 1377 if (start == -1 || end == -1) { 1378 // This chip no longer exists in the field. 1379 dismissDropDown(); 1380 return; 1381 } 1382 // This is in the middle of a chip, so select out the whole chip 1383 // and commit it. 1384 Editable editable = getText(); 1385 setSelection(end); 1386 String text = getText().toString().substring(start, end); 1387 if (!TextUtils.isEmpty(text)) { 1388 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1389 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1390 CharSequence chipText = createChip(entry, false); 1391 int selEnd = getSelectionEnd(); 1392 if (chipText != null && start > -1 && selEnd > -1) { 1393 editable.replace(start, selEnd, chipText); 1394 } 1395 } 1396 dismissDropDown(); 1397 } 1398 1399 /** 1400 * If there is a selected chip, delegate the key events 1401 * to the selected chip. 1402 */ 1403 @Override 1404 public boolean onKeyDown(int keyCode, KeyEvent event) { 1405 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1406 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1407 mAlternatesPopup.dismiss(); 1408 } 1409 removeChip(mSelectedChip); 1410 } 1411 1412 switch (keyCode) { 1413 case KeyEvent.KEYCODE_ENTER: 1414 case KeyEvent.KEYCODE_DPAD_CENTER: 1415 if (event.hasNoModifiers()) { 1416 if (commitDefault()) { 1417 return true; 1418 } 1419 if (mSelectedChip != null) { 1420 clearSelectedChip(); 1421 return true; 1422 } else if (focusNext()) { 1423 return true; 1424 } 1425 } 1426 break; 1427 } 1428 1429 return super.onKeyDown(keyCode, event); 1430 } 1431 1432 // Visible for testing. 1433 /* package */ Spannable getSpannable() { 1434 return getText(); 1435 } 1436 1437 private int getChipStart(DrawableRecipientChip chip) { 1438 return getSpannable().getSpanStart(chip); 1439 } 1440 1441 private int getChipEnd(DrawableRecipientChip chip) { 1442 return getSpannable().getSpanEnd(chip); 1443 } 1444 1445 /** 1446 * Instead of filtering on the entire contents of the edit box, 1447 * this subclass method filters on the range from 1448 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1449 * if the length of that range meets or exceeds {@link #getThreshold} 1450 * and makes sure that the range is not already a Chip. 1451 */ 1452 @Override 1453 protected void performFiltering(CharSequence text, int keyCode) { 1454 boolean isCompletedToken = isCompletedToken(text); 1455 if (enoughToFilter() && !isCompletedToken) { 1456 int end = getSelectionEnd(); 1457 int start = mTokenizer.findTokenStart(text, end); 1458 // If this is a RecipientChip, don't filter 1459 // on its contents. 1460 Spannable span = getSpannable(); 1461 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1462 if (chips != null && chips.length > 0) { 1463 dismissDropDown(); 1464 return; 1465 } 1466 } else if (isCompletedToken) { 1467 dismissDropDown(); 1468 return; 1469 } 1470 super.performFiltering(text, keyCode); 1471 } 1472 1473 // Visible for testing. 1474 /*package*/ boolean isCompletedToken(CharSequence text) { 1475 if (TextUtils.isEmpty(text)) { 1476 return false; 1477 } 1478 // Check to see if this is a completed token before filtering. 1479 int end = text.length(); 1480 int start = mTokenizer.findTokenStart(text, end); 1481 String token = text.toString().substring(start, end).trim(); 1482 if (!TextUtils.isEmpty(token)) { 1483 char atEnd = token.charAt(token.length() - 1); 1484 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1485 } 1486 return false; 1487 } 1488 1489 private void clearSelectedChip() { 1490 if (mSelectedChip != null) { 1491 unselectChip(mSelectedChip); 1492 mSelectedChip = null; 1493 } 1494 setCursorVisible(true); 1495 } 1496 1497 /** 1498 * Monitor touch events in the RecipientEditTextView. 1499 * If the view does not have focus, any tap on the view 1500 * will just focus the view. If the view has focus, determine 1501 * if the touch target is a recipient chip. If it is and the chip 1502 * is not selected, select it and clear any other selected chips. 1503 * If it isn't, then select that chip. 1504 */ 1505 @Override 1506 public boolean onTouchEvent(MotionEvent event) { 1507 if (!isFocused()) { 1508 // Ignore any chip taps until this view is focused. 1509 return super.onTouchEvent(event); 1510 } 1511 boolean handled = super.onTouchEvent(event); 1512 int action = event.getAction(); 1513 boolean chipWasSelected = false; 1514 if (mSelectedChip == null) { 1515 mGestureDetector.onTouchEvent(event); 1516 } 1517 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1518 float x = event.getX(); 1519 float y = event.getY(); 1520 int offset = putOffsetInRange(x, y); 1521 DrawableRecipientChip currentChip = findChip(offset); 1522 if (currentChip != null) { 1523 if (action == MotionEvent.ACTION_UP) { 1524 if (mSelectedChip != null && mSelectedChip != currentChip) { 1525 clearSelectedChip(); 1526 mSelectedChip = selectChip(currentChip); 1527 } else if (mSelectedChip == null) { 1528 setSelection(getText().length()); 1529 commitDefault(); 1530 mSelectedChip = selectChip(currentChip); 1531 } else { 1532 onClick(mSelectedChip, offset, x, y); 1533 } 1534 } 1535 chipWasSelected = true; 1536 handled = true; 1537 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1538 chipWasSelected = true; 1539 } 1540 } 1541 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1542 clearSelectedChip(); 1543 } 1544 return handled; 1545 } 1546 1547 private void scrollLineIntoView(int line) { 1548 if (mScrollView != null) { 1549 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1550 } 1551 } 1552 1553 private void showAlternates(final DrawableRecipientChip currentChip, 1554 final ListPopupWindow alternatesPopup, final int width) { 1555 new AsyncTask<Void, Void, ListAdapter>() { 1556 @Override 1557 protected ListAdapter doInBackground(final Void... params) { 1558 return createAlternatesAdapter(currentChip); 1559 } 1560 1561 @Override 1562 protected void onPostExecute(final ListAdapter result) { 1563 if (!mAttachedToWindow) { 1564 return; 1565 } 1566 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1567 int bottom; 1568 if (line == getLineCount() -1) { 1569 bottom = 0; 1570 } else { 1571 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1572 .abs(getLineCount() - 1 - line))); 1573 } 1574 // Align the alternates popup with the left side of the View, 1575 // regardless of the position of the chip tapped. 1576 alternatesPopup.setWidth(width); 1577 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1578 alternatesPopup.setVerticalOffset(bottom); 1579 alternatesPopup.setAdapter(result); 1580 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1581 // Clear the checked item. 1582 mCheckedItem = -1; 1583 alternatesPopup.show(); 1584 ListView listView = alternatesPopup.getListView(); 1585 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1586 // Checked item would be -1 if the adapter has not 1587 // loaded the view that should be checked yet. The 1588 // variable will be set correctly when onCheckedItemChanged 1589 // is called in a separate thread. 1590 if (mCheckedItem != -1) { 1591 listView.setItemChecked(mCheckedItem, true); 1592 mCheckedItem = -1; 1593 } 1594 } 1595 }.execute((Void[]) null); 1596 } 1597 1598 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1599 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1600 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1601 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1602 } 1603 1604 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1605 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1606 mDropdownChipLayouter); 1607 } 1608 1609 @Override 1610 public void onCheckedItemChanged(int position) { 1611 ListView listView = mAlternatesPopup.getListView(); 1612 if (listView != null && listView.getCheckedItemCount() == 0) { 1613 listView.setItemChecked(position, true); 1614 } 1615 mCheckedItem = position; 1616 } 1617 1618 private int putOffsetInRange(final float x, final float y) { 1619 final int offset; 1620 1621 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1622 offset = getOffsetForPosition(x, y); 1623 } else { 1624 offset = supportGetOffsetForPosition(x, y); 1625 } 1626 1627 return putOffsetInRange(offset); 1628 } 1629 1630 // TODO: This algorithm will need a lot of tweaking after more people have used 1631 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1632 // what comes before the finger. 1633 private int putOffsetInRange(int o) { 1634 int offset = o; 1635 Editable text = getText(); 1636 int length = text.length(); 1637 // Remove whitespace from end to find "real end" 1638 int realLength = length; 1639 for (int i = length - 1; i >= 0; i--) { 1640 if (text.charAt(i) == ' ') { 1641 realLength--; 1642 } else { 1643 break; 1644 } 1645 } 1646 1647 // If the offset is beyond or at the end of the text, 1648 // leave it alone. 1649 if (offset >= realLength) { 1650 return offset; 1651 } 1652 Editable editable = getText(); 1653 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1654 // Keep walking backward! 1655 offset--; 1656 } 1657 return offset; 1658 } 1659 1660 private static int findText(Editable text, int offset) { 1661 if (text.charAt(offset) != ' ') { 1662 return offset; 1663 } 1664 return -1; 1665 } 1666 1667 private DrawableRecipientChip findChip(int offset) { 1668 DrawableRecipientChip[] chips = 1669 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1670 // Find the chip that contains this offset. 1671 for (int i = 0; i < chips.length; i++) { 1672 DrawableRecipientChip chip = chips[i]; 1673 int start = getChipStart(chip); 1674 int end = getChipEnd(chip); 1675 if (offset >= start && offset <= end) { 1676 return chip; 1677 } 1678 } 1679 return null; 1680 } 1681 1682 // Visible for testing. 1683 // Use this method to generate text to add to the list of addresses. 1684 /* package */String createAddressText(RecipientEntry entry) { 1685 String display = entry.getDisplayName(); 1686 String address = entry.getDestination(); 1687 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1688 display = null; 1689 } 1690 String trimmedDisplayText; 1691 if (isPhoneQuery() && isPhoneNumber(address)) { 1692 trimmedDisplayText = address.trim(); 1693 } else { 1694 if (address != null) { 1695 // Tokenize out the address in case the address already 1696 // contained the username as well. 1697 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1698 if (tokenized != null && tokenized.length > 0) { 1699 address = tokenized[0].getAddress(); 1700 } 1701 } 1702 Rfc822Token token = new Rfc822Token(display, address, null); 1703 trimmedDisplayText = token.toString().trim(); 1704 } 1705 int index = trimmedDisplayText.indexOf(","); 1706 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1707 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1708 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1709 } 1710 1711 // Visible for testing. 1712 // Use this method to generate text to display in a chip. 1713 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1714 String display = entry.getDisplayName(); 1715 String address = entry.getDestination(); 1716 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1717 display = null; 1718 } 1719 if (!TextUtils.isEmpty(display)) { 1720 return display; 1721 } else if (!TextUtils.isEmpty(address)){ 1722 return address; 1723 } else { 1724 return new Rfc822Token(display, address, null).toString(); 1725 } 1726 } 1727 1728 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1729 String displayText = createAddressText(entry); 1730 if (TextUtils.isEmpty(displayText)) { 1731 return null; 1732 } 1733 SpannableString chipText = null; 1734 // Always leave a blank space at the end of a chip. 1735 int textLength = displayText.length() - 1; 1736 chipText = new SpannableString(displayText); 1737 if (!mNoChips) { 1738 try { 1739 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1740 false /* leave space for contact icon */); 1741 chipText.setSpan(chip, 0, textLength, 1742 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1743 chip.setOriginalText(chipText.toString()); 1744 } catch (NullPointerException e) { 1745 Log.e(TAG, e.getMessage(), e); 1746 return null; 1747 } 1748 } 1749 return chipText; 1750 } 1751 1752 /** 1753 * When an item in the suggestions list has been clicked, create a chip from the 1754 * contact information of the selected item. 1755 */ 1756 @Override 1757 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1758 if (position < 0) { 1759 return; 1760 } 1761 submitItemAtPosition(position); 1762 } 1763 1764 private void submitItemAtPosition(int position) { 1765 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1766 if (entry == null) { 1767 return; 1768 } 1769 clearComposingText(); 1770 1771 int end = getSelectionEnd(); 1772 int start = mTokenizer.findTokenStart(getText(), end); 1773 1774 Editable editable = getText(); 1775 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1776 CharSequence chip = createChip(entry, false); 1777 if (chip != null && start >= 0 && end >= 0) { 1778 editable.replace(start, end, chip); 1779 } 1780 sanitizeBetween(); 1781 } 1782 1783 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1784 if (item == null) { 1785 return null; 1786 } 1787 final RecipientEntry entry; 1788 // If the display name and the address are the same, or if this is a 1789 // valid contact, but the destination is invalid, then make this a fake 1790 // recipient that is editable. 1791 String destination = item.getDestination(); 1792 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1793 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1794 destination, item.isValid()); 1795 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1796 && (TextUtils.isEmpty(item.getDisplayName()) 1797 || TextUtils.equals(item.getDisplayName(), destination) 1798 || (mValidator != null && !mValidator.isValid(destination)))) { 1799 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1800 } else { 1801 entry = item; 1802 } 1803 return entry; 1804 } 1805 1806 /** Returns a collection of contact Id for each chip inside this View. */ 1807 /* package */ Collection<Long> getContactIds() { 1808 final Set<Long> result = new HashSet<Long>(); 1809 DrawableRecipientChip[] chips = getSortedRecipients(); 1810 if (chips != null) { 1811 for (DrawableRecipientChip chip : chips) { 1812 result.add(chip.getContactId()); 1813 } 1814 } 1815 return result; 1816 } 1817 1818 1819 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1820 /* package */ Collection<Long> getDataIds() { 1821 final Set<Long> result = new HashSet<Long>(); 1822 DrawableRecipientChip [] chips = getSortedRecipients(); 1823 if (chips != null) { 1824 for (DrawableRecipientChip chip : chips) { 1825 result.add(chip.getDataId()); 1826 } 1827 } 1828 return result; 1829 } 1830 1831 // Visible for testing. 1832 /* package */DrawableRecipientChip[] getSortedRecipients() { 1833 DrawableRecipientChip[] recips = getSpannable() 1834 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1835 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1836 Arrays.asList(recips)); 1837 final Spannable spannable = getSpannable(); 1838 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1839 1840 @Override 1841 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1842 int firstStart = spannable.getSpanStart(first); 1843 int secondStart = spannable.getSpanStart(second); 1844 if (firstStart < secondStart) { 1845 return -1; 1846 } else if (firstStart > secondStart) { 1847 return 1; 1848 } else { 1849 return 0; 1850 } 1851 } 1852 }); 1853 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1854 } 1855 1856 @Override 1857 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1858 return false; 1859 } 1860 1861 @Override 1862 public void onDestroyActionMode(ActionMode mode) { 1863 } 1864 1865 @Override 1866 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1867 return false; 1868 } 1869 1870 /** 1871 * No chips are selectable. 1872 */ 1873 @Override 1874 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1875 return false; 1876 } 1877 1878 // Visible for testing. 1879 /* package */ImageSpan getMoreChip() { 1880 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1881 MoreImageSpan.class); 1882 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1883 } 1884 1885 private MoreImageSpan createMoreSpan(int count) { 1886 String moreText = String.format(mMoreItem.getText().toString(), count); 1887 TextPaint morePaint = new TextPaint(getPaint()); 1888 morePaint.setTextSize(mMoreItem.getTextSize()); 1889 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1890 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1891 + mMoreItem.getPaddingRight(); 1892 int height = getLineHeight(); 1893 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1894 Canvas canvas = new Canvas(drawable); 1895 int adjustedHeight = height; 1896 Layout layout = getLayout(); 1897 if (layout != null) { 1898 adjustedHeight -= layout.getLineDescent(0); 1899 } 1900 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1901 1902 Drawable result = new BitmapDrawable(getResources(), drawable); 1903 result.setBounds(0, 0, width, height); 1904 return new MoreImageSpan(result); 1905 } 1906 1907 // Visible for testing. 1908 /*package*/ void createMoreChipPlainText() { 1909 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1910 Editable text = getText(); 1911 int start = 0; 1912 int end = start; 1913 for (int i = 0; i < CHIP_LIMIT; i++) { 1914 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1915 start = end; // move to the next token and get its end. 1916 } 1917 // Now, count total addresses. 1918 start = 0; 1919 int tokenCount = countTokens(text); 1920 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1921 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1922 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1923 text.replace(end, text.length(), chipText); 1924 mMoreChip = moreSpan; 1925 } 1926 1927 // Visible for testing. 1928 /* package */int countTokens(Editable text) { 1929 int tokenCount = 0; 1930 int start = 0; 1931 while (start < text.length()) { 1932 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1933 tokenCount++; 1934 if (start >= text.length()) { 1935 break; 1936 } 1937 } 1938 return tokenCount; 1939 } 1940 1941 /** 1942 * Create the more chip. The more chip is text that replaces any chips that 1943 * do not fit in the pre-defined available space when the 1944 * RecipientEditTextView loses focus. 1945 */ 1946 // Visible for testing. 1947 /* package */ void createMoreChip() { 1948 if (mNoChips) { 1949 createMoreChipPlainText(); 1950 return; 1951 } 1952 1953 if (!mShouldShrink) { 1954 return; 1955 } 1956 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1957 if (tempMore.length > 0) { 1958 getSpannable().removeSpan(tempMore[0]); 1959 } 1960 DrawableRecipientChip[] recipients = getSortedRecipients(); 1961 1962 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1963 mMoreChip = null; 1964 return; 1965 } 1966 Spannable spannable = getSpannable(); 1967 int numRecipients = recipients.length; 1968 int overage = numRecipients - CHIP_LIMIT; 1969 MoreImageSpan moreSpan = createMoreSpan(overage); 1970 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1971 int totalReplaceStart = 0; 1972 int totalReplaceEnd = 0; 1973 Editable text = getText(); 1974 for (int i = numRecipients - overage; i < recipients.length; i++) { 1975 mRemovedSpans.add(recipients[i]); 1976 if (i == numRecipients - overage) { 1977 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1978 } 1979 if (i == recipients.length - 1) { 1980 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1981 } 1982 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1983 int spanStart = spannable.getSpanStart(recipients[i]); 1984 int spanEnd = spannable.getSpanEnd(recipients[i]); 1985 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1986 } 1987 spannable.removeSpan(recipients[i]); 1988 } 1989 if (totalReplaceEnd < text.length()) { 1990 totalReplaceEnd = text.length(); 1991 } 1992 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1993 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1994 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1995 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1996 text.replace(start, end, chipText); 1997 mMoreChip = moreSpan; 1998 // If adding the +more chip goes over the limit, resize accordingly. 1999 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2000 setMaxLines(getLineCount()); 2001 } 2002 } 2003 2004 /** 2005 * Replace the more chip, if it exists, with all of the recipient chips it had 2006 * replaced when the RecipientEditTextView gains focus. 2007 */ 2008 // Visible for testing. 2009 /*package*/ void removeMoreChip() { 2010 if (mMoreChip != null) { 2011 Spannable span = getSpannable(); 2012 span.removeSpan(mMoreChip); 2013 mMoreChip = null; 2014 // Re-add the spans that were removed. 2015 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2016 // Recreate each removed span. 2017 DrawableRecipientChip[] recipients = getSortedRecipients(); 2018 // Start the search for tokens after the last currently visible 2019 // chip. 2020 if (recipients == null || recipients.length == 0) { 2021 return; 2022 } 2023 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2024 Editable editable = getText(); 2025 for (DrawableRecipientChip chip : mRemovedSpans) { 2026 int chipStart; 2027 int chipEnd; 2028 String token; 2029 // Need to find the location of the chip, again. 2030 token = (String) chip.getOriginalText(); 2031 // As we find the matching recipient for the remove spans, 2032 // reduce the size of the string we need to search. 2033 // That way, if there are duplicates, we always find the correct 2034 // recipient. 2035 chipStart = editable.toString().indexOf(token, end); 2036 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2037 // Only set the span if we found a matching token. 2038 if (chipStart != -1) { 2039 editable.setSpan(chip, chipStart, chipEnd, 2040 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2041 } 2042 } 2043 mRemovedSpans.clear(); 2044 } 2045 } 2046 } 2047 2048 /** 2049 * Show specified chip as selected. If the RecipientChip is just an email address, 2050 * selecting the chip will take the contents of the chip and place it at 2051 * the end of the RecipientEditTextView for inline editing. If the 2052 * RecipientChip is a complete contact, then selecting the chip 2053 * will change the background color of the chip, show the delete icon, 2054 * and a popup window with the address in use highlighted and any other 2055 * alternate addresses for the contact. 2056 * @param currentChip Chip to select. 2057 * @return A RecipientChip in the selected state or null if the chip 2058 * just contained an email address. 2059 */ 2060 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2061 if (shouldShowEditableText(currentChip)) { 2062 CharSequence text = currentChip.getValue(); 2063 Editable editable = getText(); 2064 Spannable spannable = getSpannable(); 2065 int spanStart = spannable.getSpanStart(currentChip); 2066 int spanEnd = spannable.getSpanEnd(currentChip); 2067 spannable.removeSpan(currentChip); 2068 editable.delete(spanStart, spanEnd); 2069 setCursorVisible(true); 2070 setSelection(editable.length()); 2071 editable.append(text); 2072 return constructChipSpan( 2073 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2074 true, false); 2075 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 2076 int start = getChipStart(currentChip); 2077 int end = getChipEnd(currentChip); 2078 getSpannable().removeSpan(currentChip); 2079 DrawableRecipientChip newChip; 2080 try { 2081 if (mNoChips) { 2082 return null; 2083 } 2084 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2085 } catch (NullPointerException e) { 2086 Log.e(TAG, e.getMessage(), e); 2087 return null; 2088 } 2089 Editable editable = getText(); 2090 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2091 if (start == -1 || end == -1) { 2092 Log.d(TAG, "The chip being selected no longer exists but should."); 2093 } else { 2094 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2095 } 2096 newChip.setSelected(true); 2097 if (shouldShowEditableText(newChip)) { 2098 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2099 } 2100 showAddress(newChip, mAddressPopup, getWidth()); 2101 setCursorVisible(false); 2102 return newChip; 2103 } else { 2104 int start = getChipStart(currentChip); 2105 int end = getChipEnd(currentChip); 2106 getSpannable().removeSpan(currentChip); 2107 DrawableRecipientChip newChip; 2108 try { 2109 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2110 } catch (NullPointerException e) { 2111 Log.e(TAG, e.getMessage(), e); 2112 return null; 2113 } 2114 Editable editable = getText(); 2115 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2116 if (start == -1 || end == -1) { 2117 Log.d(TAG, "The chip being selected no longer exists but should."); 2118 } else { 2119 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2120 } 2121 newChip.setSelected(true); 2122 if (shouldShowEditableText(newChip)) { 2123 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2124 } 2125 showAlternates(newChip, mAlternatesPopup, getWidth()); 2126 setCursorVisible(false); 2127 return newChip; 2128 } 2129 } 2130 2131 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2132 long contactId = currentChip.getContactId(); 2133 return contactId == RecipientEntry.INVALID_CONTACT 2134 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2135 } 2136 2137 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2138 int width) { 2139 if (!mAttachedToWindow) { 2140 return; 2141 } 2142 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2143 int bottom = calculateOffsetFromBottom(line); 2144 // Align the alternates popup with the left side of the View, 2145 // regardless of the position of the chip tapped. 2146 popup.setWidth(width); 2147 popup.setAnchorView(this); 2148 popup.setVerticalOffset(bottom); 2149 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2150 popup.setOnItemClickListener(new OnItemClickListener() { 2151 @Override 2152 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2153 unselectChip(currentChip); 2154 popup.dismiss(); 2155 } 2156 }); 2157 popup.show(); 2158 ListView listView = popup.getListView(); 2159 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2160 listView.setItemChecked(0, true); 2161 } 2162 2163 /** 2164 * Remove selection from this chip. Unselecting a RecipientChip will render 2165 * the chip without a delete icon and with an unfocused background. This is 2166 * called when the RecipientChip no longer has focus. 2167 */ 2168 private void unselectChip(DrawableRecipientChip chip) { 2169 int start = getChipStart(chip); 2170 int end = getChipEnd(chip); 2171 Editable editable = getText(); 2172 mSelectedChip = null; 2173 if (start == -1 || end == -1) { 2174 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2175 setSelection(editable.length()); 2176 commitDefault(); 2177 } else { 2178 getSpannable().removeSpan(chip); 2179 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2180 editable.removeSpan(chip); 2181 try { 2182 if (!mNoChips) { 2183 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2184 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2185 } 2186 } catch (NullPointerException e) { 2187 Log.e(TAG, e.getMessage(), e); 2188 } 2189 } 2190 setCursorVisible(true); 2191 setSelection(editable.length()); 2192 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2193 mAlternatesPopup.dismiss(); 2194 } 2195 } 2196 2197 /** 2198 * Return whether a touch event was inside the delete target of 2199 * a selected chip. It is in the delete target if: 2200 * 1) the x and y points of the event are within the 2201 * delete assset. 2202 * 2) the point tapped would have caused a cursor to appear 2203 * right after the selected chip. 2204 * @return boolean 2205 */ 2206 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2207 // Figure out the bounds of this chip and whether or not 2208 // the user clicked in the X portion. 2209 // TODO: Should x and y be used, or removed? 2210 if (mDisableDelete) { 2211 return false; 2212 } 2213 2214 return chip.isSelected() && 2215 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2216 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2217 } 2218 2219 /** 2220 * Remove the chip and any text associated with it from the RecipientEditTextView. 2221 */ 2222 // Visible for testing. 2223 /* package */void removeChip(DrawableRecipientChip chip) { 2224 Spannable spannable = getSpannable(); 2225 int spanStart = spannable.getSpanStart(chip); 2226 int spanEnd = spannable.getSpanEnd(chip); 2227 Editable text = getText(); 2228 int toDelete = spanEnd; 2229 boolean wasSelected = chip == mSelectedChip; 2230 // Clear that there is a selected chip before updating any text. 2231 if (wasSelected) { 2232 mSelectedChip = null; 2233 } 2234 // Always remove trailing spaces when removing a chip. 2235 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2236 toDelete++; 2237 } 2238 spannable.removeSpan(chip); 2239 if (spanStart >= 0 && toDelete > 0) { 2240 text.delete(spanStart, toDelete); 2241 } 2242 if (wasSelected) { 2243 clearSelectedChip(); 2244 } 2245 } 2246 2247 /** 2248 * Replace this currently selected chip with a new chip 2249 * that uses the contact data provided. 2250 */ 2251 // Visible for testing. 2252 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2253 boolean wasSelected = chip == mSelectedChip; 2254 if (wasSelected) { 2255 mSelectedChip = null; 2256 } 2257 int start = getChipStart(chip); 2258 int end = getChipEnd(chip); 2259 getSpannable().removeSpan(chip); 2260 Editable editable = getText(); 2261 CharSequence chipText = createChip(entry, false); 2262 if (chipText != null) { 2263 if (start == -1 || end == -1) { 2264 Log.e(TAG, "The chip to replace does not exist but should."); 2265 editable.insert(0, chipText); 2266 } else { 2267 if (!TextUtils.isEmpty(chipText)) { 2268 // There may be a space to replace with this chip's new 2269 // associated space. Check for it 2270 int toReplace = end; 2271 while (toReplace >= 0 && toReplace < editable.length() 2272 && editable.charAt(toReplace) == ' ') { 2273 toReplace++; 2274 } 2275 editable.replace(start, toReplace, chipText); 2276 } 2277 } 2278 } 2279 setCursorVisible(true); 2280 if (wasSelected) { 2281 clearSelectedChip(); 2282 } 2283 } 2284 2285 /** 2286 * Handle click events for a chip. When a selected chip receives a click 2287 * event, see if that event was in the delete icon. If so, delete it. 2288 * Otherwise, unselect the chip. 2289 */ 2290 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2291 if (chip.isSelected()) { 2292 if (isInDelete(chip, offset, x, y)) { 2293 removeChip(chip); 2294 } else { 2295 clearSelectedChip(); 2296 } 2297 } 2298 } 2299 2300 private boolean chipsPending() { 2301 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2302 } 2303 2304 @Override 2305 public void removeTextChangedListener(TextWatcher watcher) { 2306 mTextWatcher = null; 2307 super.removeTextChangedListener(watcher); 2308 } 2309 2310 private class RecipientTextWatcher implements TextWatcher { 2311 2312 @Override 2313 public void afterTextChanged(Editable s) { 2314 // If the text has been set to null or empty, make sure we remove 2315 // all the spans we applied. 2316 if (TextUtils.isEmpty(s)) { 2317 // Remove all the chips spans. 2318 Spannable spannable = getSpannable(); 2319 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2320 DrawableRecipientChip.class); 2321 for (DrawableRecipientChip chip : chips) { 2322 spannable.removeSpan(chip); 2323 } 2324 if (mMoreChip != null) { 2325 spannable.removeSpan(mMoreChip); 2326 } 2327 clearSelectedChip(); 2328 return; 2329 } 2330 // Get whether there are any recipients pending addition to the 2331 // view. If there are, don't do anything in the text watcher. 2332 if (chipsPending()) { 2333 return; 2334 } 2335 // If the user is editing a chip, don't clear it. 2336 if (mSelectedChip != null) { 2337 if (!isGeneratedContact(mSelectedChip)) { 2338 setCursorVisible(true); 2339 setSelection(getText().length()); 2340 clearSelectedChip(); 2341 } else { 2342 return; 2343 } 2344 } 2345 int length = s.length(); 2346 // Make sure there is content there to parse and that it is 2347 // not just the commit character. 2348 if (length > 1) { 2349 if (lastCharacterIsCommitCharacter(s)) { 2350 commitByCharacter(); 2351 return; 2352 } 2353 char last; 2354 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2355 int len = length() - 1; 2356 if (end != len) { 2357 last = s.charAt(end); 2358 } else { 2359 last = s.charAt(len); 2360 } 2361 if (last == COMMIT_CHAR_SPACE) { 2362 if (!isPhoneQuery()) { 2363 // Check if this is a valid email address. If it is, 2364 // commit it. 2365 String text = getText().toString(); 2366 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2367 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2368 tokenStart)); 2369 if (!TextUtils.isEmpty(sub) && mValidator != null && 2370 mValidator.isValid(sub)) { 2371 commitByCharacter(); 2372 } 2373 } 2374 } 2375 } 2376 } 2377 2378 @Override 2379 public void onTextChanged(CharSequence s, int start, int before, int count) { 2380 // The user deleted some text OR some text was replaced; check to 2381 // see if the insertion point is on a space 2382 // following a chip. 2383 if (before - count == 1) { 2384 // If the item deleted is a space, and the thing before the 2385 // space is a chip, delete the entire span. 2386 int selStart = getSelectionStart(); 2387 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2388 DrawableRecipientChip.class); 2389 if (repl.length > 0) { 2390 // There is a chip there! Just remove it. 2391 Editable editable = getText(); 2392 // Add the separator token. 2393 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2394 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2395 tokenEnd = tokenEnd + 1; 2396 if (tokenEnd > editable.length()) { 2397 tokenEnd = editable.length(); 2398 } 2399 editable.delete(tokenStart, tokenEnd); 2400 getSpannable().removeSpan(repl[0]); 2401 } 2402 } else if (count > before) { 2403 if (mSelectedChip != null 2404 && isGeneratedContact(mSelectedChip)) { 2405 if (lastCharacterIsCommitCharacter(s)) { 2406 commitByCharacter(); 2407 return; 2408 } 2409 } 2410 } 2411 } 2412 2413 @Override 2414 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2415 // Do nothing. 2416 } 2417 } 2418 2419 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2420 char last; 2421 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2422 int len = length() - 1; 2423 if (end != len) { 2424 last = s.charAt(end); 2425 } else { 2426 last = s.charAt(len); 2427 } 2428 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2429 } 2430 2431 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2432 long contactId = chip.getContactId(); 2433 return contactId == RecipientEntry.INVALID_CONTACT 2434 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2435 } 2436 2437 /** 2438 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2439 */ 2440 private void handlePasteClip(ClipData clip) { 2441 removeTextChangedListener(mTextWatcher); 2442 2443 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2444 for (int i = 0; i < clip.getItemCount(); i++) { 2445 CharSequence paste = clip.getItemAt(i).getText(); 2446 if (paste != null) { 2447 int start = getSelectionStart(); 2448 int end = getSelectionEnd(); 2449 Editable editable = getText(); 2450 if (start >= 0 && end >= 0 && start != end) { 2451 editable.append(paste, start, end); 2452 } else { 2453 editable.insert(end, paste); 2454 } 2455 handlePasteAndReplace(); 2456 } 2457 } 2458 } 2459 2460 mHandler.post(mAddTextWatcher); 2461 } 2462 2463 @Override 2464 public boolean onTextContextMenuItem(int id) { 2465 if (id == android.R.id.paste) { 2466 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2467 Context.CLIPBOARD_SERVICE); 2468 handlePasteClip(clipboard.getPrimaryClip()); 2469 return true; 2470 } 2471 return super.onTextContextMenuItem(id); 2472 } 2473 2474 private void handlePasteAndReplace() { 2475 ArrayList<DrawableRecipientChip> created = handlePaste(); 2476 if (created != null && created.size() > 0) { 2477 // Perform reverse lookups on the pasted contacts. 2478 IndividualReplacementTask replace = new IndividualReplacementTask(); 2479 replace.execute(created); 2480 } 2481 } 2482 2483 // Visible for testing. 2484 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2485 String text = getText().toString(); 2486 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2487 String lastAddress = text.substring(originalTokenStart); 2488 int tokenStart = originalTokenStart; 2489 int prevTokenStart = 0; 2490 DrawableRecipientChip findChip = null; 2491 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2492 if (tokenStart != 0) { 2493 // There are things before this! 2494 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2495 prevTokenStart = tokenStart; 2496 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2497 findChip = findChip(tokenStart); 2498 if (tokenStart == originalTokenStart && findChip == null) { 2499 break; 2500 } 2501 } 2502 if (tokenStart != originalTokenStart) { 2503 if (findChip != null) { 2504 tokenStart = prevTokenStart; 2505 } 2506 int tokenEnd; 2507 DrawableRecipientChip createdChip; 2508 while (tokenStart < originalTokenStart) { 2509 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2510 tokenStart)); 2511 commitChip(tokenStart, tokenEnd, getText()); 2512 createdChip = findChip(tokenStart); 2513 if (createdChip == null) { 2514 break; 2515 } 2516 // +1 for the space at the end. 2517 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2518 created.add(createdChip); 2519 } 2520 } 2521 } 2522 // Take a look at the last token. If the token has been completed with a 2523 // commit character, create a chip. 2524 if (isCompletedToken(lastAddress)) { 2525 Editable editable = getText(); 2526 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2527 commitChip(tokenStart, editable.length(), editable); 2528 created.add(findChip(tokenStart)); 2529 } 2530 return created; 2531 } 2532 2533 // Visible for testing. 2534 /* package */int movePastTerminators(int tokenEnd) { 2535 if (tokenEnd >= length()) { 2536 return tokenEnd; 2537 } 2538 char atEnd = getText().toString().charAt(tokenEnd); 2539 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2540 tokenEnd++; 2541 } 2542 // This token had not only an end token character, but also a space 2543 // separating it from the next token. 2544 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2545 tokenEnd++; 2546 } 2547 return tokenEnd; 2548 } 2549 2550 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2551 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2552 try { 2553 if (mNoChips) { 2554 return null; 2555 } 2556 return constructChipSpan(entry, false, 2557 false /*leave space for contact icon */); 2558 } catch (NullPointerException e) { 2559 Log.e(TAG, e.getMessage(), e); 2560 return null; 2561 } 2562 } 2563 2564 @Override 2565 protected void onPreExecute() { 2566 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2567 // replaced 2568 final List<DrawableRecipientChip> originalRecipients = 2569 new ArrayList<DrawableRecipientChip>(); 2570 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2571 for (int i = 0; i < existingChips.length; i++) { 2572 originalRecipients.add(existingChips[i]); 2573 } 2574 if (mRemovedSpans != null) { 2575 originalRecipients.addAll(mRemovedSpans); 2576 } 2577 2578 final List<DrawableRecipientChip> replacements = 2579 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2580 2581 for (final DrawableRecipientChip chip : originalRecipients) { 2582 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2583 && getSpannable().getSpanStart(chip) != -1) { 2584 replacements.add(createFreeChip(chip.getEntry())); 2585 } else { 2586 replacements.add(null); 2587 } 2588 } 2589 2590 processReplacements(originalRecipients, replacements); 2591 } 2592 2593 @Override 2594 protected Void doInBackground(Void... params) { 2595 if (mIndividualReplacements != null) { 2596 mIndividualReplacements.cancel(true); 2597 } 2598 // For each chip in the list, look up the matching contact. 2599 // If there is a match, replace that chip with the matching 2600 // chip. 2601 final ArrayList<DrawableRecipientChip> recipients = 2602 new ArrayList<DrawableRecipientChip>(); 2603 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2604 for (int i = 0; i < existingChips.length; i++) { 2605 recipients.add(existingChips[i]); 2606 } 2607 if (mRemovedSpans != null) { 2608 recipients.addAll(mRemovedSpans); 2609 } 2610 ArrayList<String> addresses = new ArrayList<String>(); 2611 DrawableRecipientChip chip; 2612 for (int i = 0; i < recipients.size(); i++) { 2613 chip = recipients.get(i); 2614 if (chip != null) { 2615 addresses.add(createAddressText(chip.getEntry())); 2616 } 2617 } 2618 final BaseRecipientAdapter adapter = getAdapter(); 2619 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2620 adapter.getAccount(), new RecipientMatchCallback() { 2621 @Override 2622 public void matchesFound(Map<String, RecipientEntry> entries) { 2623 final ArrayList<DrawableRecipientChip> replacements = 2624 new ArrayList<DrawableRecipientChip>(); 2625 for (final DrawableRecipientChip temp : recipients) { 2626 RecipientEntry entry = null; 2627 if (temp != null && RecipientEntry.isCreatedRecipient( 2628 temp.getEntry().getContactId()) 2629 && getSpannable().getSpanStart(temp) != -1) { 2630 // Replace this. 2631 entry = createValidatedEntry( 2632 entries.get(tokenizeAddress(temp.getEntry() 2633 .getDestination()))); 2634 } 2635 if (entry != null) { 2636 replacements.add(createFreeChip(entry)); 2637 } else { 2638 replacements.add(null); 2639 } 2640 } 2641 processReplacements(recipients, replacements); 2642 } 2643 2644 @Override 2645 public void matchesNotFound(final Set<String> unfoundAddresses) { 2646 final List<DrawableRecipientChip> replacements = 2647 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2648 2649 for (final DrawableRecipientChip temp : recipients) { 2650 if (temp != null && RecipientEntry.isCreatedRecipient( 2651 temp.getEntry().getContactId()) 2652 && getSpannable().getSpanStart(temp) != -1) { 2653 if (unfoundAddresses.contains( 2654 temp.getEntry().getDestination())) { 2655 replacements.add(createFreeChip(temp.getEntry())); 2656 } else { 2657 replacements.add(null); 2658 } 2659 } else { 2660 replacements.add(null); 2661 } 2662 } 2663 2664 processReplacements(recipients, replacements); 2665 } 2666 }); 2667 return null; 2668 } 2669 2670 private void processReplacements(final List<DrawableRecipientChip> recipients, 2671 final List<DrawableRecipientChip> replacements) { 2672 if (replacements != null && replacements.size() > 0) { 2673 final Runnable runnable = new Runnable() { 2674 @Override 2675 public void run() { 2676 final Editable text = new SpannableStringBuilder(getText()); 2677 int i = 0; 2678 for (final DrawableRecipientChip chip : recipients) { 2679 final DrawableRecipientChip replacement = replacements.get(i); 2680 if (replacement != null) { 2681 final RecipientEntry oldEntry = chip.getEntry(); 2682 final RecipientEntry newEntry = replacement.getEntry(); 2683 final boolean isBetter = 2684 RecipientAlternatesAdapter.getBetterRecipient( 2685 oldEntry, newEntry) == newEntry; 2686 2687 if (isBetter) { 2688 // Find the location of the chip in the text currently shown. 2689 final int start = text.getSpanStart(chip); 2690 if (start != -1) { 2691 // Replacing the entirety of what the chip represented, 2692 // including the extra space dividing it from other chips. 2693 final int end = 2694 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2695 text.removeSpan(chip); 2696 // Make sure we always have just 1 space at the end to 2697 // separate this chip from the next chip. 2698 final SpannableString displayText = 2699 new SpannableString(createAddressText( 2700 replacement.getEntry()).trim() + " "); 2701 displayText.setSpan(replacement, 0, 2702 displayText.length() - 1, 2703 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2704 // Replace the old text we found with with the new display 2705 // text, which now may also contain the display name of the 2706 // recipient. 2707 text.replace(start, end, displayText); 2708 replacement.setOriginalText(displayText.toString()); 2709 replacements.set(i, null); 2710 2711 recipients.set(i, replacement); 2712 } 2713 } 2714 } 2715 i++; 2716 } 2717 setText(text); 2718 } 2719 }; 2720 2721 if (Looper.myLooper() == Looper.getMainLooper()) { 2722 runnable.run(); 2723 } else { 2724 mHandler.post(runnable); 2725 } 2726 } 2727 } 2728 } 2729 2730 private class IndividualReplacementTask 2731 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2732 @Override 2733 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2734 // For each chip in the list, look up the matching contact. 2735 // If there is a match, replace that chip with the matching 2736 // chip. 2737 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2738 ArrayList<String> addresses = new ArrayList<String>(); 2739 DrawableRecipientChip chip; 2740 for (int i = 0; i < originalRecipients.size(); i++) { 2741 chip = originalRecipients.get(i); 2742 if (chip != null) { 2743 addresses.add(createAddressText(chip.getEntry())); 2744 } 2745 } 2746 final BaseRecipientAdapter adapter = getAdapter(); 2747 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2748 adapter.getAccount(), 2749 new RecipientMatchCallback() { 2750 2751 @Override 2752 public void matchesFound(Map<String, RecipientEntry> entries) { 2753 for (final DrawableRecipientChip temp : originalRecipients) { 2754 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2755 .getContactId()) 2756 && getSpannable().getSpanStart(temp) != -1) { 2757 // Replace this. 2758 final RecipientEntry entry = createValidatedEntry(entries 2759 .get(tokenizeAddress(temp.getEntry().getDestination()) 2760 .toLowerCase())); 2761 if (entry != null) { 2762 mHandler.post(new Runnable() { 2763 @Override 2764 public void run() { 2765 replaceChip(temp, entry); 2766 } 2767 }); 2768 } 2769 } 2770 } 2771 } 2772 2773 @Override 2774 public void matchesNotFound(final Set<String> unfoundAddresses) { 2775 // No action required 2776 } 2777 }); 2778 return null; 2779 } 2780 } 2781 2782 2783 /** 2784 * MoreImageSpan is a simple class created for tracking the existence of a 2785 * more chip across activity restarts/ 2786 */ 2787 private class MoreImageSpan extends ImageSpan { 2788 public MoreImageSpan(Drawable b) { 2789 super(b); 2790 } 2791 } 2792 2793 @Override 2794 public boolean onDown(MotionEvent e) { 2795 return false; 2796 } 2797 2798 @Override 2799 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2800 // Do nothing. 2801 return false; 2802 } 2803 2804 @Override 2805 public void onLongPress(MotionEvent event) { 2806 if (mSelectedChip != null) { 2807 return; 2808 } 2809 float x = event.getX(); 2810 float y = event.getY(); 2811 final int offset = putOffsetInRange(x, y); 2812 DrawableRecipientChip currentChip = findChip(offset); 2813 if (currentChip != null) { 2814 if (mDragEnabled) { 2815 // Start drag-and-drop for the selected chip. 2816 startDrag(currentChip); 2817 } else { 2818 // Copy the selected chip email address. 2819 showCopyDialog(currentChip.getEntry().getDestination()); 2820 } 2821 } 2822 } 2823 2824 // The following methods are used to provide some functionality on older versions of Android 2825 // These methods were copied out of JB MR2's TextView 2826 ///////////////////////////////////////////////// 2827 private int supportGetOffsetForPosition(float x, float y) { 2828 if (getLayout() == null) return -1; 2829 final int line = supportGetLineAtCoordinate(y); 2830 final int offset = supportGetOffsetAtCoordinate(line, x); 2831 return offset; 2832 } 2833 2834 private float supportConvertToLocalHorizontalCoordinate(float x) { 2835 x -= getTotalPaddingLeft(); 2836 // Clamp the position to inside of the view. 2837 x = Math.max(0.0f, x); 2838 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2839 x += getScrollX(); 2840 return x; 2841 } 2842 2843 private int supportGetLineAtCoordinate(float y) { 2844 y -= getTotalPaddingLeft(); 2845 // Clamp the position to inside of the view. 2846 y = Math.max(0.0f, y); 2847 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2848 y += getScrollY(); 2849 return getLayout().getLineForVertical((int) y); 2850 } 2851 2852 private int supportGetOffsetAtCoordinate(int line, float x) { 2853 x = supportConvertToLocalHorizontalCoordinate(x); 2854 return getLayout().getOffsetForHorizontal(line, x); 2855 } 2856 ///////////////////////////////////////////////// 2857 2858 /** 2859 * Enables drag-and-drop for chips. 2860 */ 2861 public void enableDrag() { 2862 mDragEnabled = true; 2863 } 2864 2865 /** 2866 * Starts drag-and-drop for the selected chip. 2867 */ 2868 private void startDrag(DrawableRecipientChip currentChip) { 2869 String address = currentChip.getEntry().getDestination(); 2870 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2871 2872 // Start drag mode. 2873 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2874 2875 // Remove the current chip, so drag-and-drop will result in a move. 2876 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2877 removeChip(currentChip); 2878 } 2879 2880 /** 2881 * Handles drag event. 2882 */ 2883 @Override 2884 public boolean onDragEvent(DragEvent event) { 2885 switch (event.getAction()) { 2886 case DragEvent.ACTION_DRAG_STARTED: 2887 // Only handle plain text drag and drop. 2888 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2889 case DragEvent.ACTION_DRAG_ENTERED: 2890 requestFocus(); 2891 return true; 2892 case DragEvent.ACTION_DROP: 2893 handlePasteClip(event.getClipData()); 2894 return true; 2895 } 2896 return false; 2897 } 2898 2899 /** 2900 * Drag shadow for a {@link RecipientChip}. 2901 */ 2902 private final class RecipientChipShadow extends DragShadowBuilder { 2903 private final DrawableRecipientChip mChip; 2904 2905 public RecipientChipShadow(DrawableRecipientChip chip) { 2906 mChip = chip; 2907 } 2908 2909 @Override 2910 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2911 Rect rect = mChip.getBounds(); 2912 shadowSize.set(rect.width(), rect.height()); 2913 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2914 } 2915 2916 @Override 2917 public void onDrawShadow(Canvas canvas) { 2918 mChip.draw(canvas); 2919 } 2920 } 2921 2922 private void showCopyDialog(final String address) { 2923 if (!mAttachedToWindow) { 2924 return; 2925 } 2926 mCopyAddress = address; 2927 mCopyDialog.setTitle(address); 2928 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2929 mCopyDialog.setCancelable(true); 2930 mCopyDialog.setCanceledOnTouchOutside(true); 2931 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2932 button.setOnClickListener(this); 2933 int btnTitleId; 2934 if (isPhoneQuery()) { 2935 btnTitleId = R.string.copy_number; 2936 } else { 2937 btnTitleId = R.string.copy_email; 2938 } 2939 String buttonTitle = getContext().getResources().getString(btnTitleId); 2940 button.setText(buttonTitle); 2941 mCopyDialog.setOnDismissListener(this); 2942 mCopyDialog.show(); 2943 } 2944 2945 @Override 2946 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2947 // Do nothing. 2948 return false; 2949 } 2950 2951 @Override 2952 public void onShowPress(MotionEvent e) { 2953 // Do nothing. 2954 } 2955 2956 @Override 2957 public boolean onSingleTapUp(MotionEvent e) { 2958 // Do nothing. 2959 return false; 2960 } 2961 2962 @Override 2963 public void onDismiss(DialogInterface dialog) { 2964 mCopyAddress = null; 2965 } 2966 2967 @Override 2968 public void onClick(View v) { 2969 // Copy this to the clipboard. 2970 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2971 Context.CLIPBOARD_SERVICE); 2972 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2973 mCopyDialog.dismiss(); 2974 } 2975 2976 protected boolean isPhoneQuery() { 2977 return getAdapter() != null 2978 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2979 } 2980 2981 @Override 2982 public BaseRecipientAdapter getAdapter() { 2983 return (BaseRecipientAdapter) super.getAdapter(); 2984 } 2985} 2986