RecipientEditTextView.java revision 8189b1c116661428247585c56c8b16d98509becd
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.content.res.Resources; 27import android.content.res.TypedArray; 28import android.graphics.Bitmap; 29import android.graphics.BitmapFactory; 30import android.graphics.Canvas; 31import android.graphics.Matrix; 32import android.graphics.Point; 33import android.graphics.Rect; 34import android.graphics.RectF; 35import android.graphics.drawable.BitmapDrawable; 36import android.graphics.drawable.Drawable; 37import android.os.AsyncTask; 38import android.os.Handler; 39import android.os.Message; 40import android.os.Parcelable; 41import android.text.Editable; 42import android.text.InputType; 43import android.text.Layout; 44import android.text.Spannable; 45import android.text.SpannableString; 46import android.text.Spanned; 47import android.text.TextPaint; 48import android.text.TextUtils; 49import android.text.TextWatcher; 50import android.text.method.QwertyKeyListener; 51import android.text.style.ImageSpan; 52import android.text.util.Rfc822Token; 53import android.text.util.Rfc822Tokenizer; 54import android.util.AttributeSet; 55import android.util.Log; 56import android.util.TypedValue; 57import android.view.ActionMode; 58import android.view.ActionMode.Callback; 59import android.view.DragEvent; 60import android.view.GestureDetector; 61import android.view.KeyEvent; 62import android.view.LayoutInflater; 63import android.view.Menu; 64import android.view.MenuItem; 65import android.view.MotionEvent; 66import android.view.View; 67import android.view.View.OnClickListener; 68import android.view.ViewParent; 69import android.view.inputmethod.EditorInfo; 70import android.view.inputmethod.InputConnection; 71import android.widget.AdapterView; 72import android.widget.AdapterView.OnItemClickListener; 73import android.widget.Button; 74import android.widget.Filterable; 75import android.widget.ListAdapter; 76import android.widget.ListPopupWindow; 77import android.widget.ListView; 78import android.widget.MultiAutoCompleteTextView; 79import android.widget.ScrollView; 80import android.widget.TextView; 81 82import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 83 84import java.util.ArrayList; 85import java.util.Arrays; 86import java.util.Collection; 87import java.util.Collections; 88import java.util.Comparator; 89import java.util.HashSet; 90import java.util.List; 91import java.util.Map; 92import java.util.Set; 93import java.util.regex.Matcher; 94import java.util.regex.Pattern; 95 96/** 97 * RecipientEditTextView is an auto complete text view for use with applications 98 * that use the new Chips UI for addressing a message to recipients. 99 */ 100public class RecipientEditTextView extends MultiAutoCompleteTextView implements 101 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 102 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 103 TextView.OnEditorActionListener { 104 105 private static final char COMMIT_CHAR_COMMA = ','; 106 107 private static final char NAME_WRAPPER_CHAR = '"'; 108 109 private static final char COMMIT_CHAR_SEMICOLON = ';'; 110 111 private static final char COMMIT_CHAR_SPACE = ' '; 112 113 private static final String TAG = "RecipientEditTextView"; 114 115 private static int DISMISS = "dismiss".hashCode(); 116 117 private static final long DISMISS_DELAY = 300; 118 119 // TODO: get correct number/ algorithm from with UX. 120 // Visible for testing. 121 /*package*/ static final int CHIP_LIMIT = 2; 122 123 private static final int MAX_CHIPS_PARSED = 50; 124 125 private static int sSelectedTextColor = -1; 126 127 // Resources for displaying chips. 128 private Drawable mChipBackground = null; 129 130 private Drawable mChipDelete = null; 131 132 private Drawable mInvalidChipBackground; 133 134 private Drawable mChipBackgroundPressed; 135 136 private float mChipHeight; 137 138 private float mChipFontSize; 139 140 private float mLineSpacingExtra; 141 142 private int mChipPadding; 143 144 private Tokenizer mTokenizer; 145 146 private Validator mValidator; 147 148 private RecipientChip mSelectedChip; 149 150 private int mAlternatesLayout; 151 152 private Bitmap mDefaultContactPhoto; 153 154 private ImageSpan mMoreChip; 155 156 private TextView mMoreItem; 157 158 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 159 160 private Handler mHandler; 161 162 private int mPendingChipsCount = 0; 163 164 private boolean mNoChips = false; 165 166 private ListPopupWindow mAlternatesPopup; 167 168 private ListPopupWindow mAddressPopup; 169 170 private ArrayList<RecipientChip> mTemporaryRecipients; 171 172 private ArrayList<RecipientChip> mRemovedSpans; 173 174 private boolean mShouldShrink = true; 175 176 // Chip copy fields. 177 private GestureDetector mGestureDetector; 178 179 private Dialog mCopyDialog; 180 181 private String mCopyAddress; 182 183 /** 184 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 185 * selected chip. 186 */ 187 private OnItemClickListener mAlternatesListener; 188 189 private int mCheckedItem; 190 191 private TextWatcher mTextWatcher; 192 193 // Obtain the enclosing scroll view, if it exists, so that the view can be 194 // scrolled to show the last line of chips content. 195 private ScrollView mScrollView; 196 197 private boolean mTriedGettingScrollView; 198 199 private boolean mDragEnabled = false; 200 201 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 202 // parens, so numbers such as "1 (425) 222-2342" match. 203 private static final Pattern PHONE_PATTERN 204 = Pattern.compile( // sdd = space, dot, or dash 205 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 206 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 207 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 208 209 private final Runnable mAddTextWatcher = new Runnable() { 210 @Override 211 public void run() { 212 if (mTextWatcher == null) { 213 mTextWatcher = new RecipientTextWatcher(); 214 addTextChangedListener(mTextWatcher); 215 } 216 } 217 }; 218 219 private IndividualReplacementTask mIndividualReplacements; 220 221 private Runnable mHandlePendingChips = new Runnable() { 222 223 @Override 224 public void run() { 225 handlePendingChips(); 226 } 227 228 }; 229 230 private Runnable mDelayedShrink = new Runnable() { 231 232 @Override 233 public void run() { 234 shrink(); 235 } 236 237 }; 238 239 private int mMaxLines; 240 241 private static int sExcessTopPadding = -1; 242 243 private int mActionBarHeight; 244 245 public RecipientEditTextView(Context context, AttributeSet attrs) { 246 super(context, attrs); 247 setChipDimensions(context, attrs); 248 if (sSelectedTextColor == -1) { 249 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 250 } 251 mAlternatesPopup = new ListPopupWindow(context); 252 mAddressPopup = new ListPopupWindow(context); 253 mCopyDialog = new Dialog(context); 254 mAlternatesListener = new OnItemClickListener() { 255 @Override 256 public void onItemClick(AdapterView<?> adapterView,View view, int position, 257 long rowId) { 258 mAlternatesPopup.setOnItemClickListener(null); 259 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 260 .getRecipientEntry(position)); 261 Message delayed = Message.obtain(mHandler, DISMISS); 262 delayed.obj = mAlternatesPopup; 263 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 264 clearComposingText(); 265 } 266 }; 267 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 268 setOnItemClickListener(this); 269 setCustomSelectionActionModeCallback(this); 270 mHandler = new Handler() { 271 @Override 272 public void handleMessage(Message msg) { 273 if (msg.what == DISMISS) { 274 ((ListPopupWindow) msg.obj).dismiss(); 275 return; 276 } 277 super.handleMessage(msg); 278 } 279 }; 280 mTextWatcher = new RecipientTextWatcher(); 281 addTextChangedListener(mTextWatcher); 282 mGestureDetector = new GestureDetector(context, this); 283 setOnEditorActionListener(this); 284 } 285 286 @Override 287 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 288 if (action == EditorInfo.IME_ACTION_DONE) { 289 if (commitDefault()) { 290 return true; 291 } 292 if (mSelectedChip != null) { 293 clearSelectedChip(); 294 return true; 295 } else if (focusNext()) { 296 return true; 297 } 298 } 299 return false; 300 } 301 302 @Override 303 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 304 InputConnection connection = super.onCreateInputConnection(outAttrs); 305 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 306 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 307 // clear the existing action 308 outAttrs.imeOptions ^= imeActions; 309 // set the DONE action 310 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 311 } 312 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 313 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 314 } 315 316 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 317 outAttrs.actionLabel = getContext().getString(R.string.done); 318 return connection; 319 } 320 321 /*package*/ RecipientChip getLastChip() { 322 RecipientChip last = null; 323 RecipientChip[] chips = getSortedRecipients(); 324 if (chips != null && chips.length > 0) { 325 last = chips[chips.length - 1]; 326 } 327 return last; 328 } 329 330 @Override 331 public void onSelectionChanged(int start, int end) { 332 // When selection changes, see if it is inside the chips area. 333 // If so, move the cursor back after the chips again. 334 RecipientChip last = getLastChip(); 335 if (last != null && start < getSpannable().getSpanEnd(last)) { 336 // Grab the last chip and set the cursor to after it. 337 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 338 } 339 super.onSelectionChanged(start, end); 340 } 341 342 @Override 343 public void onRestoreInstanceState(Parcelable state) { 344 if (!TextUtils.isEmpty(getText())) { 345 super.onRestoreInstanceState(null); 346 } else { 347 super.onRestoreInstanceState(state); 348 } 349 } 350 351 @Override 352 public Parcelable onSaveInstanceState() { 353 // If the user changes orientation while they are editing, just roll back the selection. 354 clearSelectedChip(); 355 return super.onSaveInstanceState(); 356 } 357 358 /** 359 * Convenience method: Append the specified text slice to the TextView's 360 * display buffer, upgrading it to BufferType.EDITABLE if it was 361 * not already editable. Commas are excluded as they are added automatically 362 * by the view. 363 */ 364 @Override 365 public void append(CharSequence text, int start, int end) { 366 // We don't care about watching text changes while appending. 367 if (mTextWatcher != null) { 368 removeTextChangedListener(mTextWatcher); 369 } 370 super.append(text, start, end); 371 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 372 String displayString = text.toString(); 373 int separatorPos = displayString.lastIndexOf(COMMIT_CHAR_COMMA); 374 // Verify that the separator pos is not within ""; if it is, look 375 // past the closing quote. If there is no comma past ", this string 376 // will resolve to an error chip. 377 if (separatorPos > -1) { 378 String parseDisplayString = displayString.substring(separatorPos); 379 int endQuotedTextPos = parseDisplayString.indexOf(NAME_WRAPPER_CHAR); 380 if (endQuotedTextPos > separatorPos) { 381 separatorPos = parseDisplayString.lastIndexOf(COMMIT_CHAR_COMMA, 382 endQuotedTextPos); 383 } 384 } 385 if (!TextUtils.isEmpty(displayString) 386 && TextUtils.getTrimmedLength(displayString) > 0) { 387 mPendingChipsCount++; 388 mPendingChips.add(text.toString()); 389 } 390 } 391 // Put a message on the queue to make sure we ALWAYS handle pending 392 // chips. 393 if (mPendingChipsCount > 0) { 394 postHandlePendingChips(); 395 } 396 mHandler.post(mAddTextWatcher); 397 } 398 399 @Override 400 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 401 super.onFocusChanged(hasFocus, direction, previous); 402 if (!hasFocus) { 403 shrink(); 404 } else { 405 expand(); 406 } 407 } 408 409 private int getExcessTopPadding() { 410 if (sExcessTopPadding == -1) { 411 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 412 } 413 return sExcessTopPadding; 414 } 415 416 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 417 super.setAdapter(adapter); 418 ((BaseRecipientAdapter) adapter) 419 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 420 @Override 421 public void onChanged(List<RecipientEntry> entries) { 422 // Scroll the chips field to the top of the screen so 423 // that the user can see as many results as possible. 424 if (entries != null && entries.size() > 0) { 425 scrollBottomIntoView(); 426 } 427 } 428 }); 429 } 430 431 private void scrollBottomIntoView() { 432 if (mScrollView != null && mShouldShrink) { 433 int[] location = new int[2]; 434 getLocationOnScreen(location); 435 int height = getHeight(); 436 int currentPos = location[1] + height; 437 // Desired position shows at least 1 line of chips below the action 438 // bar. We add excess padding to make sure this is always below other 439 // content. 440 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 441 if (currentPos > desiredPos) { 442 mScrollView.scrollBy(0, currentPos - desiredPos); 443 } 444 } 445 } 446 447 @Override 448 public void performValidation() { 449 // Do nothing. Chips handles its own validation. 450 } 451 452 private void shrink() { 453 if (mTokenizer == null) { 454 return; 455 } 456 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 457 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 458 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 459 clearSelectedChip(); 460 } else { 461 if (getWidth() <= 0) { 462 // We don't have the width yet which means the view hasn't been drawn yet 463 // and there is no reason to attempt to commit chips yet. 464 // This focus lost must be the result of an orientation change 465 // or an initial rendering. 466 // Re-post the shrink for later. 467 mHandler.removeCallbacks(mDelayedShrink); 468 mHandler.post(mDelayedShrink); 469 return; 470 } 471 // Reset any pending chips as they would have been handled 472 // when the field lost focus. 473 if (mPendingChipsCount > 0) { 474 postHandlePendingChips(); 475 } else { 476 Editable editable = getText(); 477 int end = getSelectionEnd(); 478 int start = mTokenizer.findTokenStart(editable, end); 479 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 480 if ((chips == null || chips.length == 0)) { 481 Editable text = getText(); 482 int whatEnd = mTokenizer.findTokenEnd(text, start); 483 // This token was already tokenized, so skip past the ending token. 484 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 485 whatEnd = movePastTerminators(whatEnd); 486 } 487 // In the middle of chip; treat this as an edit 488 // and commit the whole token. 489 int selEnd = getSelectionEnd(); 490 if (whatEnd != selEnd) { 491 handleEdit(start, whatEnd); 492 } else { 493 commitChip(start, end, editable); 494 } 495 } 496 } 497 mHandler.post(mAddTextWatcher); 498 } 499 createMoreChip(); 500 } 501 502 private void expand() { 503 if (mShouldShrink) { 504 setMaxLines(Integer.MAX_VALUE); 505 } 506 removeMoreChip(); 507 setCursorVisible(true); 508 Editable text = getText(); 509 setSelection(text != null && text.length() > 0 ? text.length() : 0); 510 // If there are any temporary chips, try replacing them now that the user 511 // has expanded the field. 512 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 513 new RecipientReplacementTask().execute(); 514 mTemporaryRecipients = null; 515 } 516 } 517 518 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 519 paint.setTextSize(mChipFontSize); 520 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 521 Log.d(TAG, "Max width is negative: " + maxWidth); 522 } 523 return TextUtils.ellipsize(text, paint, maxWidth, 524 TextUtils.TruncateAt.END); 525 } 526 527 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 528 // Ellipsize the text so that it takes AT MOST the entire width of the 529 // autocomplete text entry area. Make sure to leave space for padding 530 // on the sides. 531 int height = (int) mChipHeight; 532 int deleteWidth = height; 533 float[] widths = new float[1]; 534 paint.getTextWidths(" ", widths); 535 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 536 calculateAvailableWidth(true) - deleteWidth - widths[0]); 537 538 // Make sure there is a minimum chip width so the user can ALWAYS 539 // tap a chip without difficulty. 540 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 541 ellipsizedText.length())) 542 + (mChipPadding * 2) + deleteWidth); 543 544 // Create the background of the chip. 545 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 546 Canvas canvas = new Canvas(tmpBitmap); 547 if (mChipBackgroundPressed != null) { 548 mChipBackgroundPressed.setBounds(0, 0, width, height); 549 mChipBackgroundPressed.draw(canvas); 550 paint.setColor(sSelectedTextColor); 551 // Vertically center the text in the chip. 552 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 553 getTextYOffset((String) ellipsizedText, paint, height), paint); 554 // Make the delete a square. 555 Rect backgroundPadding = new Rect(); 556 mChipBackgroundPressed.getPadding(backgroundPadding); 557 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 558 0 + backgroundPadding.top, 559 width - backgroundPadding.right, 560 height - backgroundPadding.bottom); 561 mChipDelete.draw(canvas); 562 } else { 563 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 564 } 565 return tmpBitmap; 566 } 567 568 569 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout, 570 boolean leaveBlankIconSpacer) { 571 // Ellipsize the text so that it takes AT MOST the entire width of the 572 // autocomplete text entry area. Make sure to leave space for padding 573 // on the sides. 574 int height = (int) mChipHeight; 575 int iconWidth = height; 576 float[] widths = new float[1]; 577 paint.getTextWidths(" ", widths); 578 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 579 calculateAvailableWidth(false) - iconWidth - widths[0]); 580 // Make sure there is a minimum chip width so the user can ALWAYS 581 // tap a chip without difficulty. 582 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 583 ellipsizedText.length())) 584 + (mChipPadding * 2) + iconWidth); 585 586 // Create the background of the chip. 587 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 588 Canvas canvas = new Canvas(tmpBitmap); 589 Drawable background = getChipBackground(contact); 590 if (background != null) { 591 background.setBounds(0, 0, width, height); 592 background.draw(canvas); 593 594 // Don't draw photos for recipients that have been typed in OR generated on the fly. 595 long contactId = contact.getContactId(); 596 boolean drawPhotos = isPhoneQuery() ? 597 contactId != RecipientEntry.INVALID_CONTACT 598 : (contactId != RecipientEntry.INVALID_CONTACT 599 && (contactId != RecipientEntry.GENERATED_CONTACT && 600 !TextUtils.isEmpty(contact.getDisplayName()))); 601 if (drawPhotos) { 602 byte[] photoBytes = contact.getPhotoBytes(); 603 // There may not be a photo yet if anything but the first contact address 604 // was selected. 605 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 606 // TODO: cache this in the recipient entry? 607 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 608 .getPhotoThumbnailUri()); 609 photoBytes = contact.getPhotoBytes(); 610 } 611 612 Bitmap photo; 613 if (photoBytes != null) { 614 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 615 } else { 616 // TODO: can the scaled down default photo be cached? 617 photo = mDefaultContactPhoto; 618 } 619 // Draw the photo on the left side. 620 if (photo != null) { 621 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 622 Rect backgroundPadding = new Rect(); 623 mChipBackground.getPadding(backgroundPadding); 624 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 625 0 + backgroundPadding.top, 626 width - backgroundPadding.right, 627 height - backgroundPadding.bottom); 628 Matrix matrix = new Matrix(); 629 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 630 canvas.drawBitmap(photo, matrix, paint); 631 } 632 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 633 iconWidth = 0; 634 } 635 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 636 // Vertically center the text in the chip. 637 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 638 getTextYOffset((String)ellipsizedText, paint, height), paint); 639 } else { 640 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 641 } 642 return tmpBitmap; 643 } 644 645 /** 646 * Get the background drawable for a RecipientChip. 647 */ 648 // Visible for testing. 649 /* package */Drawable getChipBackground(RecipientEntry contact) { 650 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 651 } 652 653 private float getTextYOffset(String text, TextPaint paint, int height) { 654 Rect bounds = new Rect(); 655 paint.getTextBounds(text, 0, text.length(), bounds); 656 int textHeight = bounds.bottom - bounds.top ; 657 return height - ((height - textHeight) / 2) - (int)paint.descent(); 658 } 659 660 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed, 661 boolean leaveIconSpace) throws NullPointerException { 662 if (mChipBackground == null) { 663 throw new NullPointerException( 664 "Unable to render any chips as setChipDimensions was not called."); 665 } 666 Layout layout = getLayout(); 667 668 TextPaint paint = getPaint(); 669 float defaultSize = paint.getTextSize(); 670 int defaultColor = paint.getColor(); 671 672 Bitmap tmpBitmap; 673 if (pressed) { 674 tmpBitmap = createSelectedChip(contact, paint, layout); 675 676 } else { 677 tmpBitmap = createUnselectedChip(contact, paint, layout, leaveIconSpace); 678 } 679 680 // Pass the full text, un-ellipsized, to the chip. 681 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 682 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 683 RecipientChip recipientChip = new VisibleRecipientChip(result, contact, offset); 684 // Return text to the original size. 685 paint.setTextSize(defaultSize); 686 paint.setColor(defaultColor); 687 return recipientChip; 688 } 689 690 /** 691 * Calculate the bottom of the line the chip will be located on using: 692 * 1) which line the chip appears on 693 * 2) the height of a chip 694 * 3) padding built into the edit text view 695 */ 696 private int calculateOffsetFromBottom(int line) { 697 // Line offsets start at zero. 698 int actualLine = getLineCount() - (line + 1); 699 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 700 + getDropDownVerticalOffset(); 701 } 702 703 /** 704 * Get the max amount of space a chip can take up. The formula takes into 705 * account the width of the EditTextView, any view padding, and padding 706 * that will be added to the chip. 707 */ 708 private float calculateAvailableWidth(boolean pressed) { 709 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 710 } 711 712 713 private void setChipDimensions(Context context, AttributeSet attrs) { 714 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 715 0); 716 Resources r = getContext().getResources(); 717 718 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 719 if (mChipBackground == null) { 720 mChipBackground = r.getDrawable(R.drawable.chip_background); 721 } 722 mChipBackgroundPressed = a 723 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 724 if (mChipBackgroundPressed == null) { 725 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 726 } 727 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 728 if (mChipDelete == null) { 729 mChipDelete = r.getDrawable(R.drawable.chip_delete); 730 } 731 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 732 if (mChipPadding == -1) { 733 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 734 } 735 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 736 -1); 737 if (mAlternatesLayout == -1) { 738 mAlternatesLayout = R.layout.chips_alternate_item; 739 } 740 741 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 742 743 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 744 745 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 746 if (mChipHeight == -1) { 747 mChipHeight = r.getDimension(R.dimen.chip_height); 748 } 749 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 750 if (mChipFontSize == -1) { 751 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 752 } 753 mInvalidChipBackground = a 754 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 755 if (mInvalidChipBackground == null) { 756 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 757 } 758 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 759 mMaxLines = r.getInteger(R.integer.chips_max_lines); 760 TypedValue tv = new TypedValue(); 761 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 762 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 763 .getDisplayMetrics()); 764 } 765 a.recycle(); 766 } 767 768 // Visible for testing. 769 /* package */ void setMoreItem(TextView moreItem) { 770 mMoreItem = moreItem; 771 } 772 773 774 // Visible for testing. 775 /* package */ void setChipBackground(Drawable chipBackground) { 776 mChipBackground = chipBackground; 777 } 778 779 // Visible for testing. 780 /* package */ void setChipHeight(int height) { 781 mChipHeight = height; 782 } 783 784 /** 785 * Set whether to shrink the recipients field such that at most 786 * one line of recipients chips are shown when the field loses 787 * focus. By default, the number of displayed recipients will be 788 * limited and a "more" chip will be shown when focus is lost. 789 * @param shrink 790 */ 791 public void setOnFocusListShrinkRecipients(boolean shrink) { 792 mShouldShrink = shrink; 793 } 794 795 @Override 796 public void onSizeChanged(int width, int height, int oldw, int oldh) { 797 super.onSizeChanged(width, height, oldw, oldh); 798 if (width != 0 && height != 0) { 799 if (mPendingChipsCount > 0) { 800 postHandlePendingChips(); 801 } else { 802 checkChipWidths(); 803 } 804 } 805 // Try to find the scroll view parent, if it exists. 806 if (mScrollView == null && !mTriedGettingScrollView) { 807 ViewParent parent = getParent(); 808 while (parent != null && !(parent instanceof ScrollView)) { 809 parent = parent.getParent(); 810 } 811 if (parent != null) { 812 mScrollView = (ScrollView) parent; 813 } 814 mTriedGettingScrollView = true; 815 } 816 } 817 818 private void postHandlePendingChips() { 819 mHandler.removeCallbacks(mHandlePendingChips); 820 mHandler.post(mHandlePendingChips); 821 } 822 823 private void checkChipWidths() { 824 // Check the widths of the associated chips. 825 RecipientChip[] chips = getSortedRecipients(); 826 if (chips != null) { 827 Rect bounds; 828 for (RecipientChip chip : chips) { 829 bounds = chip.getBounds(); 830 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 831 // Need to redraw that chip. 832 replaceChip(chip, chip.getEntry()); 833 } 834 } 835 } 836 } 837 838 // Visible for testing. 839 /*package*/ void handlePendingChips() { 840 if (getViewWidth() <= 0) { 841 // The widget has not been sized yet. 842 // This will be called as a result of onSizeChanged 843 // at a later point. 844 return; 845 } 846 if (mPendingChipsCount <= 0) { 847 return; 848 } 849 850 synchronized (mPendingChips) { 851 Editable editable = getText(); 852 // Tokenize! 853 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 854 for (int i = 0; i < mPendingChips.size(); i++) { 855 String current = mPendingChips.get(i); 856 int tokenStart = editable.toString().indexOf(current); 857 // Always leave a space at the end between tokens. 858 int tokenEnd = tokenStart + current.length() - 1; 859 if (tokenStart >= 0) { 860 // When we have a valid token, include it with the token 861 // to the left. 862 if (tokenEnd < editable.length() - 2 863 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 864 tokenEnd++; 865 } 866 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 867 || !mShouldShrink); 868 } 869 mPendingChipsCount--; 870 } 871 sanitizeEnd(); 872 } else { 873 mNoChips = true; 874 } 875 876 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 877 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 878 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 879 new RecipientReplacementTask().execute(); 880 mTemporaryRecipients = null; 881 } else { 882 // Create the "more" chip 883 mIndividualReplacements = new IndividualReplacementTask(); 884 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 885 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 886 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 887 mTemporaryRecipients = new ArrayList<RecipientChip>( 888 mTemporaryRecipients.subList(CHIP_LIMIT, 889 mTemporaryRecipients.size())); 890 } else { 891 mTemporaryRecipients = null; 892 } 893 createMoreChip(); 894 } 895 } else { 896 // There are too many recipients to look up, so just fall back 897 // to showing addresses for all of them. 898 mTemporaryRecipients = null; 899 createMoreChip(); 900 } 901 mPendingChipsCount = 0; 902 mPendingChips.clear(); 903 } 904 } 905 906 // Visible for testing. 907 /*package*/ int getViewWidth() { 908 return getWidth(); 909 } 910 911 /** 912 * Remove any characters after the last valid chip. 913 */ 914 // Visible for testing. 915 /*package*/ void sanitizeEnd() { 916 // Don't sanitize while we are waiting for pending chips to complete. 917 if (mPendingChipsCount > 0) { 918 return; 919 } 920 // Find the last chip; eliminate any commit characters after it. 921 RecipientChip[] chips = getSortedRecipients(); 922 Spannable spannable = getSpannable(); 923 if (chips != null && chips.length > 0) { 924 int end; 925 mMoreChip = getMoreChip(); 926 if (mMoreChip != null) { 927 end = spannable.getSpanEnd(mMoreChip); 928 } else { 929 end = getSpannable().getSpanEnd(getLastChip()); 930 } 931 Editable editable = getText(); 932 int length = editable.length(); 933 if (length > end) { 934 // See what characters occur after that and eliminate them. 935 if (Log.isLoggable(TAG, Log.DEBUG)) { 936 Log.d(TAG, "There were extra characters after the last tokenizable entry." 937 + editable); 938 } 939 editable.delete(end + 1, length); 940 } 941 } 942 } 943 944 /** 945 * Create a chip that represents just the email address of a recipient. At some later 946 * point, this chip will be attached to a real contact entry, if one exists. 947 */ 948 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 949 boolean visible) { 950 if (alreadyHasChip(tokenStart, tokenEnd)) { 951 // There is already a chip present at this location. 952 // Don't recreate it. 953 return; 954 } 955 String token = editable.toString().substring(tokenStart, tokenEnd); 956 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 957 if (commitCharIndex == token.length() - 1) { 958 token = token.substring(0, token.length() - 1); 959 } 960 RecipientEntry entry = createTokenizedEntry(token); 961 if (entry != null) { 962 String destText = createAddressText(entry); 963 SpannableString chipText = new SpannableString(destText); 964 RecipientChip chip = null; 965 try { 966 if (!mNoChips) { 967 /* 968 * leave space for the contact icon if this is not just an 969 * email address 970 */ 971 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 972 || TextUtils.equals(entry.getDisplayName(), 973 entry.getDestination()); 974 chip = visible ? 975 constructChipSpan(entry, tokenStart, false, leaveSpace) 976 : new InvisibleRecipientChip(entry, commitCharIndex); 977 } 978 } catch (NullPointerException e) { 979 Log.e(TAG, e.getMessage(), e); 980 } 981 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 982 // Add this chip to the list of entries "to replace" 983 if (chip != null) { 984 if (mTemporaryRecipients == null) { 985 mTemporaryRecipients = new ArrayList<RecipientChip>(); 986 } 987 chip.setOriginalText(chipText.toString()); 988 mTemporaryRecipients.add(chip); 989 } 990 } 991 } 992 993 private static boolean isPhoneNumber(String number) { 994 // TODO: replace this function with libphonenumber's isPossibleNumber (see 995 // PhoneNumberUtil). One complication is that it requires the sender's region which 996 // comes from the CurrentCountryIso. For now, let's just do this simple match. 997 if (TextUtils.isEmpty(number)) { 998 return false; 999 } 1000 1001 Matcher match = PHONE_PATTERN.matcher(number); 1002 return match.matches(); 1003 } 1004 1005 private RecipientEntry createTokenizedEntry(String token) { 1006 if (TextUtils.isEmpty(token)) { 1007 return null; 1008 } 1009 if (isPhoneQuery() && isPhoneNumber(token)) { 1010 return RecipientEntry.constructFakeEntry(token, true); 1011 } 1012 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1013 String display = null; 1014 boolean isValid = isValid(token); 1015 if (isValid && tokens != null && tokens.length > 0) { 1016 // If we can get a name from tokenizing, then generate an entry from 1017 // this. 1018 display = tokens[0].getName(); 1019 if (!TextUtils.isEmpty(display)) { 1020 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1021 isValid); 1022 } else { 1023 display = tokens[0].getAddress(); 1024 if (!TextUtils.isEmpty(display)) { 1025 return RecipientEntry.constructFakeEntry(display, isValid); 1026 } 1027 } 1028 } 1029 // Unable to validate the token or to create a valid token from it. 1030 // Just create a chip the user can edit. 1031 String validatedToken = null; 1032 if (mValidator != null && !isValid) { 1033 // Try fixing up the entry using the validator. 1034 validatedToken = mValidator.fixText(token).toString(); 1035 if (!TextUtils.isEmpty(validatedToken)) { 1036 if (validatedToken.contains(token)) { 1037 // protect against the case of a validator with a null 1038 // domain, 1039 // which doesn't add a domain to the token 1040 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1041 if (tokenized.length > 0) { 1042 validatedToken = tokenized[0].getAddress(); 1043 isValid = true; 1044 } 1045 } else { 1046 // We ran into a case where the token was invalid and 1047 // removed 1048 // by the validator. In this case, just use the original 1049 // token 1050 // and let the user sort out the error chip. 1051 validatedToken = null; 1052 isValid = false; 1053 } 1054 } 1055 } 1056 // Otherwise, fallback to just creating an editable email address chip. 1057 return RecipientEntry.constructFakeEntry( 1058 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1059 } 1060 1061 private boolean isValid(String text) { 1062 return mValidator == null ? true : mValidator.isValid(text); 1063 } 1064 1065 private String tokenizeAddress(String destination) { 1066 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1067 if (tokens != null && tokens.length > 0) { 1068 return tokens[0].getAddress(); 1069 } 1070 return destination; 1071 } 1072 1073 @Override 1074 public void setTokenizer(Tokenizer tokenizer) { 1075 mTokenizer = tokenizer; 1076 super.setTokenizer(mTokenizer); 1077 } 1078 1079 @Override 1080 public void setValidator(Validator validator) { 1081 mValidator = validator; 1082 super.setValidator(validator); 1083 } 1084 1085 /** 1086 * We cannot use the default mechanism for replaceText. Instead, 1087 * we override onItemClickListener so we can get all the associated 1088 * contact information including display text, address, and id. 1089 */ 1090 @Override 1091 protected void replaceText(CharSequence text) { 1092 return; 1093 } 1094 1095 /** 1096 * Dismiss any selected chips when the back key is pressed. 1097 */ 1098 @Override 1099 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1100 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1101 clearSelectedChip(); 1102 return true; 1103 } 1104 return super.onKeyPreIme(keyCode, event); 1105 } 1106 1107 /** 1108 * Monitor key presses in this view to see if the user types 1109 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1110 * If the user has entered text that has contact matches and types 1111 * a commit key, create a chip from the topmost matching contact. 1112 * If the user has entered text that has no contact matches and types 1113 * a commit key, then create a chip from the text they have entered. 1114 */ 1115 @Override 1116 public boolean onKeyUp(int keyCode, KeyEvent event) { 1117 switch (keyCode) { 1118 case KeyEvent.KEYCODE_ENTER: 1119 case KeyEvent.KEYCODE_DPAD_CENTER: 1120 if (event.hasNoModifiers()) { 1121 if (commitDefault()) { 1122 return true; 1123 } 1124 if (mSelectedChip != null) { 1125 clearSelectedChip(); 1126 return true; 1127 } else if (focusNext()) { 1128 return true; 1129 } 1130 } 1131 break; 1132 case KeyEvent.KEYCODE_TAB: 1133 if (event.hasNoModifiers()) { 1134 if (mSelectedChip != null) { 1135 clearSelectedChip(); 1136 } else { 1137 commitDefault(); 1138 } 1139 if (focusNext()) { 1140 return true; 1141 } 1142 } 1143 break; 1144 } 1145 return super.onKeyUp(keyCode, event); 1146 } 1147 1148 private boolean focusNext() { 1149 View next = focusSearch(View.FOCUS_DOWN); 1150 if (next != null) { 1151 next.requestFocus(); 1152 return true; 1153 } 1154 return false; 1155 } 1156 1157 /** 1158 * Create a chip from the default selection. If the popup is showing, the 1159 * default is the first item in the popup suggestions list. Otherwise, it is 1160 * whatever the user had typed in. End represents where the the tokenizer 1161 * should search for a token to turn into a chip. 1162 * @return If a chip was created from a real contact. 1163 */ 1164 private boolean commitDefault() { 1165 // If there is no tokenizer, don't try to commit. 1166 if (mTokenizer == null) { 1167 return false; 1168 } 1169 Editable editable = getText(); 1170 int end = getSelectionEnd(); 1171 int start = mTokenizer.findTokenStart(editable, end); 1172 1173 if (shouldCreateChip(start, end)) { 1174 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1175 // In the middle of chip; treat this as an edit 1176 // and commit the whole token. 1177 whatEnd = movePastTerminators(whatEnd); 1178 if (whatEnd != getSelectionEnd()) { 1179 handleEdit(start, whatEnd); 1180 return true; 1181 } 1182 return commitChip(start, end , editable); 1183 } 1184 return false; 1185 } 1186 1187 private void commitByCharacter() { 1188 // We can't possibly commit by character if we can't tokenize. 1189 if (mTokenizer == null) { 1190 return; 1191 } 1192 Editable editable = getText(); 1193 int end = getSelectionEnd(); 1194 int start = mTokenizer.findTokenStart(editable, end); 1195 if (shouldCreateChip(start, end)) { 1196 commitChip(start, end, editable); 1197 } 1198 setSelection(getText().length()); 1199 } 1200 1201 private boolean commitChip(int start, int end, Editable editable) { 1202 ListAdapter adapter = getAdapter(); 1203 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1204 && end == getSelectionEnd() && !isPhoneQuery()) { 1205 // choose the first entry. 1206 submitItemAtPosition(0); 1207 dismissDropDown(); 1208 return true; 1209 } else { 1210 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1211 if (editable.length() > tokenEnd + 1) { 1212 char charAt = editable.charAt(tokenEnd + 1); 1213 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1214 tokenEnd++; 1215 } 1216 } 1217 String text = editable.toString().substring(start, tokenEnd).trim(); 1218 clearComposingText(); 1219 if (text != null && text.length() > 0 && !text.equals(" ")) { 1220 RecipientEntry entry = createTokenizedEntry(text); 1221 if (entry != null) { 1222 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1223 CharSequence chipText = createChip(entry, false); 1224 if (chipText != null && start > -1 && end > -1) { 1225 editable.replace(start, end, chipText); 1226 } 1227 } 1228 // Only dismiss the dropdown if it is related to the text we 1229 // just committed. 1230 // For paste, it may not be as there are possibly multiple 1231 // tokens being added. 1232 if (end == getSelectionEnd()) { 1233 dismissDropDown(); 1234 } 1235 sanitizeBetween(); 1236 return true; 1237 } 1238 } 1239 return false; 1240 } 1241 1242 // Visible for testing. 1243 /* package */ void sanitizeBetween() { 1244 // Don't sanitize while we are waiting for content to chipify. 1245 if (mPendingChipsCount > 0) { 1246 return; 1247 } 1248 // Find the last chip. 1249 RecipientChip[] recips = getSortedRecipients(); 1250 if (recips != null && recips.length > 0) { 1251 RecipientChip last = recips[recips.length - 1]; 1252 RecipientChip beforeLast = null; 1253 if (recips.length > 1) { 1254 beforeLast = recips[recips.length - 2]; 1255 } 1256 int startLooking = 0; 1257 int end = getSpannable().getSpanStart(last); 1258 if (beforeLast != null) { 1259 startLooking = getSpannable().getSpanEnd(beforeLast); 1260 Editable text = getText(); 1261 if (startLooking == -1 || startLooking > text.length() - 1) { 1262 // There is nothing after this chip. 1263 return; 1264 } 1265 if (text.charAt(startLooking) == ' ') { 1266 startLooking++; 1267 } 1268 } 1269 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1270 getText().delete(startLooking, end); 1271 } 1272 } 1273 } 1274 1275 private boolean shouldCreateChip(int start, int end) { 1276 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1277 } 1278 1279 private boolean alreadyHasChip(int start, int end) { 1280 if (mNoChips) { 1281 return true; 1282 } 1283 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1284 if ((chips == null || chips.length == 0)) { 1285 return false; 1286 } 1287 return true; 1288 } 1289 1290 private void handleEdit(int start, int end) { 1291 if (start == -1 || end == -1) { 1292 // This chip no longer exists in the field. 1293 dismissDropDown(); 1294 return; 1295 } 1296 // This is in the middle of a chip, so select out the whole chip 1297 // and commit it. 1298 Editable editable = getText(); 1299 setSelection(end); 1300 String text = getText().toString().substring(start, end); 1301 if (!TextUtils.isEmpty(text)) { 1302 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1303 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1304 CharSequence chipText = createChip(entry, false); 1305 int selEnd = getSelectionEnd(); 1306 if (chipText != null && start > -1 && selEnd > -1) { 1307 editable.replace(start, selEnd, chipText); 1308 } 1309 } 1310 dismissDropDown(); 1311 } 1312 1313 /** 1314 * If there is a selected chip, delegate the key events 1315 * to the selected chip. 1316 */ 1317 @Override 1318 public boolean onKeyDown(int keyCode, KeyEvent event) { 1319 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1320 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1321 mAlternatesPopup.dismiss(); 1322 } 1323 removeChip(mSelectedChip); 1324 } 1325 1326 return super.onKeyDown(keyCode, event); 1327 } 1328 1329 // Visible for testing. 1330 /* package */ Spannable getSpannable() { 1331 return getText(); 1332 } 1333 1334 private int getChipStart(RecipientChip chip) { 1335 return getSpannable().getSpanStart(chip); 1336 } 1337 1338 private int getChipEnd(RecipientChip chip) { 1339 return getSpannable().getSpanEnd(chip); 1340 } 1341 1342 /** 1343 * Instead of filtering on the entire contents of the edit box, 1344 * this subclass method filters on the range from 1345 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1346 * if the length of that range meets or exceeds {@link #getThreshold} 1347 * and makes sure that the range is not already a Chip. 1348 */ 1349 @Override 1350 protected void performFiltering(CharSequence text, int keyCode) { 1351 boolean isCompletedToken = isCompletedToken(text); 1352 if (enoughToFilter() && !isCompletedToken) { 1353 int end = getSelectionEnd(); 1354 int start = mTokenizer.findTokenStart(text, end); 1355 // If this is a RecipientChip, don't filter 1356 // on its contents. 1357 Spannable span = getSpannable(); 1358 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1359 if (chips != null && chips.length > 0) { 1360 return; 1361 } 1362 } else if (isCompletedToken) { 1363 return; 1364 } 1365 super.performFiltering(text, keyCode); 1366 } 1367 1368 // Visible for testing. 1369 /*package*/ boolean isCompletedToken(CharSequence text) { 1370 if (TextUtils.isEmpty(text)) { 1371 return false; 1372 } 1373 // Check to see if this is a completed token before filtering. 1374 int end = text.length(); 1375 int start = mTokenizer.findTokenStart(text, end); 1376 String token = text.toString().substring(start, end).trim(); 1377 if (!TextUtils.isEmpty(token)) { 1378 char atEnd = token.charAt(token.length() - 1); 1379 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1380 } 1381 return false; 1382 } 1383 1384 private void clearSelectedChip() { 1385 if (mSelectedChip != null) { 1386 unselectChip(mSelectedChip); 1387 mSelectedChip = null; 1388 } 1389 setCursorVisible(true); 1390 } 1391 1392 /** 1393 * Monitor touch events in the RecipientEditTextView. 1394 * If the view does not have focus, any tap on the view 1395 * will just focus the view. If the view has focus, determine 1396 * if the touch target is a recipient chip. If it is and the chip 1397 * is not selected, select it and clear any other selected chips. 1398 * If it isn't, then select that chip. 1399 */ 1400 @Override 1401 public boolean onTouchEvent(MotionEvent event) { 1402 if (!isFocused()) { 1403 // Ignore any chip taps until this view is focused. 1404 return super.onTouchEvent(event); 1405 } 1406 boolean handled = super.onTouchEvent(event); 1407 int action = event.getAction(); 1408 boolean chipWasSelected = false; 1409 if (mSelectedChip == null) { 1410 mGestureDetector.onTouchEvent(event); 1411 } 1412 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1413 float x = event.getX(); 1414 float y = event.getY(); 1415 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1416 RecipientChip currentChip = findChip(offset); 1417 if (currentChip != null) { 1418 if (action == MotionEvent.ACTION_UP) { 1419 if (mSelectedChip != null && mSelectedChip != currentChip) { 1420 clearSelectedChip(); 1421 mSelectedChip = selectChip(currentChip); 1422 } else if (mSelectedChip == null) { 1423 setSelection(getText().length()); 1424 commitDefault(); 1425 mSelectedChip = selectChip(currentChip); 1426 } else { 1427 onClick(mSelectedChip, offset, x, y); 1428 } 1429 } 1430 chipWasSelected = true; 1431 handled = true; 1432 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1433 chipWasSelected = true; 1434 } 1435 } 1436 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1437 clearSelectedChip(); 1438 } 1439 return handled; 1440 } 1441 1442 private void scrollLineIntoView(int line) { 1443 if (mScrollView != null) { 1444 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1445 } 1446 } 1447 1448 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1449 int width, Context context) { 1450 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1451 int bottom; 1452 if (line == getLineCount() -1) { 1453 bottom = 0; 1454 } else { 1455 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1456 - line))); 1457 } 1458 // Align the alternates popup with the left side of the View, 1459 // regardless of the position of the chip tapped. 1460 alternatesPopup.setWidth(width); 1461 alternatesPopup.setAnchorView(this); 1462 alternatesPopup.setVerticalOffset(bottom); 1463 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1464 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1465 // Clear the checked item. 1466 mCheckedItem = -1; 1467 alternatesPopup.show(); 1468 ListView listView = alternatesPopup.getListView(); 1469 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1470 // Checked item would be -1 if the adapter has not 1471 // loaded the view that should be checked yet. The 1472 // variable will be set correctly when onCheckedItemChanged 1473 // is called in a separate thread. 1474 if (mCheckedItem != -1) { 1475 listView.setItemChecked(mCheckedItem, true); 1476 mCheckedItem = -1; 1477 } 1478 } 1479 1480 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1481 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1482 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1483 } 1484 1485 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1486 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1487 .getEntry()); 1488 } 1489 1490 @Override 1491 public void onCheckedItemChanged(int position) { 1492 ListView listView = mAlternatesPopup.getListView(); 1493 if (listView != null && listView.getCheckedItemCount() == 0) { 1494 listView.setItemChecked(position, true); 1495 } 1496 mCheckedItem = position; 1497 } 1498 1499 // TODO: This algorithm will need a lot of tweaking after more people have used 1500 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1501 // what comes before the finger. 1502 private int putOffsetInRange(int o) { 1503 int offset = o; 1504 Editable text = getText(); 1505 int length = text.length(); 1506 // Remove whitespace from end to find "real end" 1507 int realLength = length; 1508 for (int i = length - 1; i >= 0; i--) { 1509 if (text.charAt(i) == ' ') { 1510 realLength--; 1511 } else { 1512 break; 1513 } 1514 } 1515 1516 // If the offset is beyond or at the end of the text, 1517 // leave it alone. 1518 if (offset >= realLength) { 1519 return offset; 1520 } 1521 Editable editable = getText(); 1522 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1523 // Keep walking backward! 1524 offset--; 1525 } 1526 return offset; 1527 } 1528 1529 private int findText(Editable text, int offset) { 1530 if (text.charAt(offset) != ' ') { 1531 return offset; 1532 } 1533 return -1; 1534 } 1535 1536 private RecipientChip findChip(int offset) { 1537 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1538 // Find the chip that contains this offset. 1539 for (int i = 0; i < chips.length; i++) { 1540 RecipientChip chip = chips[i]; 1541 int start = getChipStart(chip); 1542 int end = getChipEnd(chip); 1543 if (offset >= start && offset <= end) { 1544 return chip; 1545 } 1546 } 1547 return null; 1548 } 1549 1550 // Visible for testing. 1551 // Use this method to generate text to add to the list of addresses. 1552 /* package */String createAddressText(RecipientEntry entry) { 1553 String display = entry.getDisplayName(); 1554 String address = entry.getDestination(); 1555 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1556 display = null; 1557 } 1558 String trimmedDisplayText; 1559 if (isPhoneQuery() && isPhoneNumber(address)) { 1560 trimmedDisplayText = address.trim(); 1561 } else { 1562 if (address != null) { 1563 // Tokenize out the address in case the address already 1564 // contained the username as well. 1565 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1566 if (tokenized != null && tokenized.length > 0) { 1567 address = tokenized[0].getAddress(); 1568 } 1569 } 1570 Rfc822Token token = new Rfc822Token(display, address, null); 1571 trimmedDisplayText = token.toString().trim(); 1572 } 1573 int index = trimmedDisplayText.indexOf(","); 1574 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1575 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1576 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1577 } 1578 1579 // Visible for testing. 1580 // Use this method to generate text to display in a chip. 1581 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1582 String display = entry.getDisplayName(); 1583 String address = entry.getDestination(); 1584 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1585 display = null; 1586 } 1587 if (!TextUtils.isEmpty(display)) { 1588 return display; 1589 } else if (!TextUtils.isEmpty(address)){ 1590 return address; 1591 } else { 1592 return new Rfc822Token(display, address, null).toString(); 1593 } 1594 } 1595 1596 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1597 String displayText = createAddressText(entry); 1598 if (TextUtils.isEmpty(displayText)) { 1599 return null; 1600 } 1601 SpannableString chipText = null; 1602 // Always leave a blank space at the end of a chip. 1603 int end = getSelectionEnd(); 1604 int start = mTokenizer.findTokenStart(getText(), end); 1605 int textLength = displayText.length()-1; 1606 chipText = new SpannableString(displayText); 1607 if (!mNoChips) { 1608 try { 1609 RecipientChip chip = constructChipSpan(entry, start, pressed, 1610 false /* leave space for contact icon */); 1611 chipText.setSpan(chip, 0, textLength, 1612 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1613 chip.setOriginalText(chipText.toString()); 1614 } catch (NullPointerException e) { 1615 Log.e(TAG, e.getMessage(), e); 1616 return null; 1617 } 1618 } 1619 return chipText; 1620 } 1621 1622 /** 1623 * When an item in the suggestions list has been clicked, create a chip from the 1624 * contact information of the selected item. 1625 */ 1626 @Override 1627 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1628 submitItemAtPosition(position); 1629 } 1630 1631 private void submitItemAtPosition(int position) { 1632 RecipientEntry entry = createValidatedEntry( 1633 (RecipientEntry)getAdapter().getItem(position)); 1634 if (entry == null) { 1635 return; 1636 } 1637 clearComposingText(); 1638 1639 int end = getSelectionEnd(); 1640 int start = mTokenizer.findTokenStart(getText(), end); 1641 1642 Editable editable = getText(); 1643 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1644 CharSequence chip = createChip(entry, false); 1645 if (chip != null && start >= 0 && end >= 0) { 1646 editable.replace(start, end, chip); 1647 } 1648 sanitizeBetween(); 1649 } 1650 1651 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1652 if (item == null) { 1653 return null; 1654 } 1655 final RecipientEntry entry; 1656 // If the display name and the address are the same, or if this is a 1657 // valid contact, but the destination is invalid, then make this a fake 1658 // recipient that is editable. 1659 String destination = item.getDestination(); 1660 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1661 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1662 destination, item.isValid()); 1663 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1664 && (TextUtils.isEmpty(item.getDisplayName()) 1665 || TextUtils.equals(item.getDisplayName(), destination) 1666 || (mValidator != null && !mValidator.isValid(destination)))) { 1667 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1668 } else { 1669 entry = item; 1670 } 1671 return entry; 1672 } 1673 1674 /** Returns a collection of contact Id for each chip inside this View. */ 1675 /* package */ Collection<Long> getContactIds() { 1676 final Set<Long> result = new HashSet<Long>(); 1677 RecipientChip[] chips = getSortedRecipients(); 1678 if (chips != null) { 1679 for (RecipientChip chip : chips) { 1680 result.add(chip.getContactId()); 1681 } 1682 } 1683 return result; 1684 } 1685 1686 1687 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1688 /* package */ Collection<Long> getDataIds() { 1689 final Set<Long> result = new HashSet<Long>(); 1690 RecipientChip [] chips = getSortedRecipients(); 1691 if (chips != null) { 1692 for (RecipientChip chip : chips) { 1693 result.add(chip.getDataId()); 1694 } 1695 } 1696 return result; 1697 } 1698 1699 // Visible for testing. 1700 /* package */RecipientChip[] getSortedRecipients() { 1701 RecipientChip[] recips = getSpannable() 1702 .getSpans(0, getText().length(), RecipientChip.class); 1703 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1704 .asList(recips)); 1705 final Spannable spannable = getSpannable(); 1706 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1707 1708 @Override 1709 public int compare(RecipientChip first, RecipientChip second) { 1710 int firstStart = spannable.getSpanStart(first); 1711 int secondStart = spannable.getSpanStart(second); 1712 if (firstStart < secondStart) { 1713 return -1; 1714 } else if (firstStart > secondStart) { 1715 return 1; 1716 } else { 1717 return 0; 1718 } 1719 } 1720 }); 1721 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1722 } 1723 1724 @Override 1725 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1726 return false; 1727 } 1728 1729 @Override 1730 public void onDestroyActionMode(ActionMode mode) { 1731 } 1732 1733 @Override 1734 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1735 return false; 1736 } 1737 1738 /** 1739 * No chips are selectable. 1740 */ 1741 @Override 1742 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1743 return false; 1744 } 1745 1746 // Visible for testing. 1747 /* package */ImageSpan getMoreChip() { 1748 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1749 MoreImageSpan.class); 1750 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1751 } 1752 1753 private MoreImageSpan createMoreSpan(int count) { 1754 String moreText = String.format(mMoreItem.getText().toString(), count); 1755 TextPaint morePaint = new TextPaint(getPaint()); 1756 morePaint.setTextSize(mMoreItem.getTextSize()); 1757 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1758 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1759 + mMoreItem.getPaddingRight(); 1760 int height = getLineHeight(); 1761 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1762 Canvas canvas = new Canvas(drawable); 1763 int adjustedHeight = height; 1764 Layout layout = getLayout(); 1765 if (layout != null) { 1766 adjustedHeight -= layout.getLineDescent(0); 1767 } 1768 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1769 1770 Drawable result = new BitmapDrawable(getResources(), drawable); 1771 result.setBounds(0, 0, width, height); 1772 return new MoreImageSpan(result); 1773 } 1774 1775 // Visible for testing. 1776 /*package*/ void createMoreChipPlainText() { 1777 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1778 Editable text = getText(); 1779 int start = 0; 1780 int end = start; 1781 for (int i = 0; i < CHIP_LIMIT; i++) { 1782 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1783 start = end; // move to the next token and get its end. 1784 } 1785 // Now, count total addresses. 1786 start = 0; 1787 int tokenCount = countTokens(text); 1788 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1789 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1790 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1791 text.replace(end, text.length(), chipText); 1792 mMoreChip = moreSpan; 1793 } 1794 1795 // Visible for testing. 1796 /* package */int countTokens(Editable text) { 1797 int tokenCount = 0; 1798 int start = 0; 1799 while (start < text.length()) { 1800 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1801 tokenCount++; 1802 if (start >= text.length()) { 1803 break; 1804 } 1805 } 1806 return tokenCount; 1807 } 1808 1809 /** 1810 * Create the more chip. The more chip is text that replaces any chips that 1811 * do not fit in the pre-defined available space when the 1812 * RecipientEditTextView loses focus. 1813 */ 1814 // Visible for testing. 1815 /* package */ void createMoreChip() { 1816 if (mNoChips) { 1817 createMoreChipPlainText(); 1818 return; 1819 } 1820 1821 if (!mShouldShrink) { 1822 return; 1823 } 1824 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1825 if (tempMore.length > 0) { 1826 getSpannable().removeSpan(tempMore[0]); 1827 } 1828 RecipientChip[] recipients = getSortedRecipients(); 1829 1830 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1831 mMoreChip = null; 1832 return; 1833 } 1834 Spannable spannable = getSpannable(); 1835 int numRecipients = recipients.length; 1836 int overage = numRecipients - CHIP_LIMIT; 1837 MoreImageSpan moreSpan = createMoreSpan(overage); 1838 mRemovedSpans = new ArrayList<RecipientChip>(); 1839 int totalReplaceStart = 0; 1840 int totalReplaceEnd = 0; 1841 Editable text = getText(); 1842 for (int i = numRecipients - overage; i < recipients.length; i++) { 1843 mRemovedSpans.add(recipients[i]); 1844 if (i == numRecipients - overage) { 1845 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1846 } 1847 if (i == recipients.length - 1) { 1848 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1849 } 1850 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1851 int spanStart = spannable.getSpanStart(recipients[i]); 1852 int spanEnd = spannable.getSpanEnd(recipients[i]); 1853 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1854 } 1855 spannable.removeSpan(recipients[i]); 1856 } 1857 if (totalReplaceEnd < text.length()) { 1858 totalReplaceEnd = text.length(); 1859 } 1860 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1861 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1862 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1863 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1864 text.replace(start, end, chipText); 1865 mMoreChip = moreSpan; 1866 // If adding the +more chip goes over the limit, resize accordingly. 1867 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1868 setMaxLines(getLineCount()); 1869 } 1870 } 1871 1872 /** 1873 * Replace the more chip, if it exists, with all of the recipient chips it had 1874 * replaced when the RecipientEditTextView gains focus. 1875 */ 1876 // Visible for testing. 1877 /*package*/ void removeMoreChip() { 1878 if (mMoreChip != null) { 1879 Spannable span = getSpannable(); 1880 span.removeSpan(mMoreChip); 1881 mMoreChip = null; 1882 // Re-add the spans that were removed. 1883 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1884 // Recreate each removed span. 1885 RecipientChip[] recipients = getSortedRecipients(); 1886 // Start the search for tokens after the last currently visible 1887 // chip. 1888 if (recipients == null || recipients.length == 0) { 1889 return; 1890 } 1891 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1892 Editable editable = getText(); 1893 for (RecipientChip chip : mRemovedSpans) { 1894 int chipStart; 1895 int chipEnd; 1896 String token; 1897 // Need to find the location of the chip, again. 1898 token = (String) chip.getOriginalText(); 1899 // As we find the matching recipient for the remove spans, 1900 // reduce the size of the string we need to search. 1901 // That way, if there are duplicates, we always find the correct 1902 // recipient. 1903 chipStart = editable.toString().indexOf(token, end); 1904 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1905 // Only set the span if we found a matching token. 1906 if (chipStart != -1) { 1907 if (chip instanceof InvisibleRecipientChip) { 1908 /* 1909 * We want the original text to be displayed until we can replace it 1910 * with a real chip 1911 */ 1912 ((InvisibleRecipientChip) chip).setDisplayOriginalText(true); 1913 } 1914 editable.setSpan(chip, chipStart, chipEnd, 1915 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1916 } 1917 } 1918 mRemovedSpans.clear(); 1919 } 1920 } 1921 } 1922 1923 /** 1924 * Show specified chip as selected. If the RecipientChip is just an email address, 1925 * selecting the chip will take the contents of the chip and place it at 1926 * the end of the RecipientEditTextView for inline editing. If the 1927 * RecipientChip is a complete contact, then selecting the chip 1928 * will change the background color of the chip, show the delete icon, 1929 * and a popup window with the address in use highlighted and any other 1930 * alternate addresses for the contact. 1931 * @param currentChip Chip to select. 1932 * @return A RecipientChip in the selected state or null if the chip 1933 * just contained an email address. 1934 */ 1935 private RecipientChip selectChip(RecipientChip currentChip) { 1936 if (shouldShowEditableText(currentChip)) { 1937 CharSequence text = currentChip.getValue(); 1938 Editable editable = getText(); 1939 Spannable spannable = getSpannable(); 1940 int spanStart = spannable.getSpanStart(currentChip); 1941 int spanEnd = spannable.getSpanEnd(currentChip); 1942 spannable.removeSpan(currentChip); 1943 editable.delete(spanStart, spanEnd); 1944 setCursorVisible(true); 1945 setSelection(editable.length()); 1946 editable.append(text); 1947 return constructChipSpan( 1948 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1949 getSelectionStart(), true, false); 1950 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1951 int start = getChipStart(currentChip); 1952 int end = getChipEnd(currentChip); 1953 getSpannable().removeSpan(currentChip); 1954 RecipientChip newChip; 1955 try { 1956 if (mNoChips) { 1957 return null; 1958 } 1959 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1960 } catch (NullPointerException e) { 1961 Log.e(TAG, e.getMessage(), e); 1962 return null; 1963 } 1964 Editable editable = getText(); 1965 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1966 if (start == -1 || end == -1) { 1967 Log.d(TAG, "The chip being selected no longer exists but should."); 1968 } else { 1969 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1970 } 1971 newChip.setSelected(true); 1972 if (shouldShowEditableText(newChip)) { 1973 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1974 } 1975 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1976 setCursorVisible(false); 1977 return newChip; 1978 } else { 1979 int start = getChipStart(currentChip); 1980 int end = getChipEnd(currentChip); 1981 getSpannable().removeSpan(currentChip); 1982 RecipientChip newChip; 1983 try { 1984 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1985 } catch (NullPointerException e) { 1986 Log.e(TAG, e.getMessage(), e); 1987 return null; 1988 } 1989 Editable editable = getText(); 1990 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1991 if (start == -1 || end == -1) { 1992 Log.d(TAG, "The chip being selected no longer exists but should."); 1993 } else { 1994 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1995 } 1996 newChip.setSelected(true); 1997 if (shouldShowEditableText(newChip)) { 1998 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1999 } 2000 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 2001 setCursorVisible(false); 2002 return newChip; 2003 } 2004 } 2005 2006 private boolean shouldShowEditableText(RecipientChip currentChip) { 2007 long contactId = currentChip.getContactId(); 2008 return contactId == RecipientEntry.INVALID_CONTACT 2009 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2010 } 2011 2012 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 2013 int width, Context context) { 2014 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2015 int bottom = calculateOffsetFromBottom(line); 2016 // Align the alternates popup with the left side of the View, 2017 // regardless of the position of the chip tapped. 2018 popup.setWidth(width); 2019 popup.setAnchorView(this); 2020 popup.setVerticalOffset(bottom); 2021 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2022 popup.setOnItemClickListener(new OnItemClickListener() { 2023 @Override 2024 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2025 unselectChip(currentChip); 2026 popup.dismiss(); 2027 } 2028 }); 2029 popup.show(); 2030 ListView listView = popup.getListView(); 2031 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2032 listView.setItemChecked(0, true); 2033 } 2034 2035 /** 2036 * Remove selection from this chip. Unselecting a RecipientChip will render 2037 * the chip without a delete icon and with an unfocused background. This is 2038 * called when the RecipientChip no longer has focus. 2039 */ 2040 private void unselectChip(RecipientChip chip) { 2041 int start = getChipStart(chip); 2042 int end = getChipEnd(chip); 2043 Editable editable = getText(); 2044 mSelectedChip = null; 2045 if (start == -1 || end == -1) { 2046 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2047 setSelection(editable.length()); 2048 commitDefault(); 2049 } else { 2050 getSpannable().removeSpan(chip); 2051 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2052 editable.removeSpan(chip); 2053 try { 2054 if (!mNoChips) { 2055 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2056 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2057 } 2058 } catch (NullPointerException e) { 2059 Log.e(TAG, e.getMessage(), e); 2060 } 2061 } 2062 setCursorVisible(true); 2063 setSelection(editable.length()); 2064 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2065 mAlternatesPopup.dismiss(); 2066 } 2067 } 2068 2069 /** 2070 * Return whether a touch event was inside the delete target of 2071 * a selected chip. It is in the delete target if: 2072 * 1) the x and y points of the event are within the 2073 * delete assset. 2074 * 2) the point tapped would have caused a cursor to appear 2075 * right after the selected chip. 2076 * @return boolean 2077 */ 2078 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2079 // Figure out the bounds of this chip and whether or not 2080 // the user clicked in the X portion. 2081 return chip.isSelected() && offset == getChipEnd(chip); 2082 } 2083 2084 /** 2085 * Remove the chip and any text associated with it from the RecipientEditTextView. 2086 */ 2087 // Visible for testing. 2088 /*pacakge*/ void removeChip(RecipientChip chip) { 2089 Spannable spannable = getSpannable(); 2090 int spanStart = spannable.getSpanStart(chip); 2091 int spanEnd = spannable.getSpanEnd(chip); 2092 Editable text = getText(); 2093 int toDelete = spanEnd; 2094 boolean wasSelected = chip == mSelectedChip; 2095 // Clear that there is a selected chip before updating any text. 2096 if (wasSelected) { 2097 mSelectedChip = null; 2098 } 2099 // Always remove trailing spaces when removing a chip. 2100 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2101 toDelete++; 2102 } 2103 spannable.removeSpan(chip); 2104 if (spanStart >= 0 && toDelete > 0) { 2105 text.delete(spanStart, toDelete); 2106 } 2107 if (wasSelected) { 2108 clearSelectedChip(); 2109 } 2110 } 2111 2112 /** 2113 * Replace this currently selected chip with a new chip 2114 * that uses the contact data provided. 2115 */ 2116 // Visible for testing. 2117 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2118 boolean wasSelected = chip == mSelectedChip; 2119 if (wasSelected) { 2120 mSelectedChip = null; 2121 } 2122 int start = getChipStart(chip); 2123 int end = getChipEnd(chip); 2124 getSpannable().removeSpan(chip); 2125 Editable editable = getText(); 2126 CharSequence chipText = createChip(entry, false); 2127 if (chipText != null) { 2128 if (start == -1 || end == -1) { 2129 Log.e(TAG, "The chip to replace does not exist but should."); 2130 editable.insert(0, chipText); 2131 } else { 2132 if (!TextUtils.isEmpty(chipText)) { 2133 // There may be a space to replace with this chip's new 2134 // associated space. Check for it 2135 int toReplace = end; 2136 while (toReplace >= 0 && toReplace < editable.length() 2137 && editable.charAt(toReplace) == ' ') { 2138 toReplace++; 2139 } 2140 editable.replace(start, toReplace, chipText); 2141 } 2142 } 2143 } 2144 setCursorVisible(true); 2145 if (wasSelected) { 2146 clearSelectedChip(); 2147 } 2148 } 2149 2150 /** 2151 * Handle click events for a chip. When a selected chip receives a click 2152 * event, see if that event was in the delete icon. If so, delete it. 2153 * Otherwise, unselect the chip. 2154 */ 2155 public void onClick(RecipientChip chip, int offset, float x, float y) { 2156 if (chip.isSelected()) { 2157 if (isInDelete(chip, offset, x, y)) { 2158 removeChip(chip); 2159 } else { 2160 clearSelectedChip(); 2161 } 2162 } 2163 } 2164 2165 private boolean chipsPending() { 2166 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2167 } 2168 2169 @Override 2170 public void removeTextChangedListener(TextWatcher watcher) { 2171 mTextWatcher = null; 2172 super.removeTextChangedListener(watcher); 2173 } 2174 2175 private class RecipientTextWatcher implements TextWatcher { 2176 2177 @Override 2178 public void afterTextChanged(Editable s) { 2179 // If the text has been set to null or empty, make sure we remove 2180 // all the spans we applied. 2181 if (TextUtils.isEmpty(s)) { 2182 // Remove all the chips spans. 2183 Spannable spannable = getSpannable(); 2184 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2185 RecipientChip.class); 2186 for (RecipientChip chip : chips) { 2187 spannable.removeSpan(chip); 2188 } 2189 if (mMoreChip != null) { 2190 spannable.removeSpan(mMoreChip); 2191 } 2192 return; 2193 } 2194 // Get whether there are any recipients pending addition to the 2195 // view. If there are, don't do anything in the text watcher. 2196 if (chipsPending()) { 2197 return; 2198 } 2199 // If the user is editing a chip, don't clear it. 2200 if (mSelectedChip != null) { 2201 if (!isGeneratedContact(mSelectedChip)) { 2202 setCursorVisible(true); 2203 setSelection(getText().length()); 2204 clearSelectedChip(); 2205 } else { 2206 return; 2207 } 2208 } 2209 int length = s.length(); 2210 // Make sure there is content there to parse and that it is 2211 // not just the commit character. 2212 if (length > 1) { 2213 if (lastCharacterIsCommitCharacter(s)) { 2214 commitByCharacter(); 2215 return; 2216 } 2217 char last; 2218 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2219 int len = length() - 1; 2220 if (end != len) { 2221 last = s.charAt(end); 2222 } else { 2223 last = s.charAt(len); 2224 } 2225 if (last == COMMIT_CHAR_SPACE) { 2226 if (!isPhoneQuery()) { 2227 // Check if this is a valid email address. If it is, 2228 // commit it. 2229 String text = getText().toString(); 2230 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2231 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2232 tokenStart)); 2233 if (!TextUtils.isEmpty(sub) && mValidator != null && 2234 mValidator.isValid(sub)) { 2235 commitByCharacter(); 2236 } 2237 } 2238 } 2239 } 2240 } 2241 2242 @Override 2243 public void onTextChanged(CharSequence s, int start, int before, int count) { 2244 // The user deleted some text OR some text was replaced; check to 2245 // see if the insertion point is on a space 2246 // following a chip. 2247 if (before - count == 1) { 2248 // If the item deleted is a space, and the thing before the 2249 // space is a chip, delete the entire span. 2250 int selStart = getSelectionStart(); 2251 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2252 RecipientChip.class); 2253 if (repl.length > 0) { 2254 // There is a chip there! Just remove it. 2255 Editable editable = getText(); 2256 // Add the separator token. 2257 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2258 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2259 tokenEnd = tokenEnd + 1; 2260 if (tokenEnd > editable.length()) { 2261 tokenEnd = editable.length(); 2262 } 2263 editable.delete(tokenStart, tokenEnd); 2264 getSpannable().removeSpan(repl[0]); 2265 } 2266 } else if (count > before) { 2267 if (mSelectedChip != null 2268 && isGeneratedContact(mSelectedChip)) { 2269 if (lastCharacterIsCommitCharacter(s)) { 2270 commitByCharacter(); 2271 return; 2272 } 2273 } 2274 } 2275 } 2276 2277 @Override 2278 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2279 // Do nothing. 2280 } 2281 } 2282 2283 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2284 char last; 2285 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2286 int len = length() - 1; 2287 if (end != len) { 2288 last = s.charAt(end); 2289 } else { 2290 last = s.charAt(len); 2291 } 2292 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2293 } 2294 2295 public boolean isGeneratedContact(RecipientChip chip) { 2296 long contactId = chip.getContactId(); 2297 return contactId == RecipientEntry.INVALID_CONTACT 2298 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2299 } 2300 2301 /** 2302 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2303 */ 2304 private void handlePasteClip(ClipData clip) { 2305 removeTextChangedListener(mTextWatcher); 2306 2307 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2308 for (int i = 0; i < clip.getItemCount(); i++) { 2309 CharSequence paste = clip.getItemAt(i).getText(); 2310 if (paste != null) { 2311 int start = getSelectionStart(); 2312 int end = getSelectionEnd(); 2313 Editable editable = getText(); 2314 if (start >= 0 && end >= 0 && start != end) { 2315 editable.append(paste, start, end); 2316 } else { 2317 editable.insert(end, paste); 2318 } 2319 handlePasteAndReplace(); 2320 } 2321 } 2322 } 2323 2324 mHandler.post(mAddTextWatcher); 2325 } 2326 2327 @Override 2328 public boolean onTextContextMenuItem(int id) { 2329 if (id == android.R.id.paste) { 2330 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2331 Context.CLIPBOARD_SERVICE); 2332 handlePasteClip(clipboard.getPrimaryClip()); 2333 return true; 2334 } 2335 return super.onTextContextMenuItem(id); 2336 } 2337 2338 private void handlePasteAndReplace() { 2339 ArrayList<RecipientChip> created = handlePaste(); 2340 if (created != null && created.size() > 0) { 2341 // Perform reverse lookups on the pasted contacts. 2342 IndividualReplacementTask replace = new IndividualReplacementTask(); 2343 replace.execute(created); 2344 } 2345 } 2346 2347 // Visible for testing. 2348 /* package */ArrayList<RecipientChip> handlePaste() { 2349 String text = getText().toString(); 2350 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2351 String lastAddress = text.substring(originalTokenStart); 2352 int tokenStart = originalTokenStart; 2353 int prevTokenStart = tokenStart; 2354 RecipientChip findChip = null; 2355 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2356 if (tokenStart != 0) { 2357 // There are things before this! 2358 while (tokenStart != 0 && findChip == null) { 2359 prevTokenStart = tokenStart; 2360 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2361 findChip = findChip(tokenStart); 2362 if (tokenStart == originalTokenStart && findChip == null) { 2363 break; 2364 } 2365 } 2366 if (tokenStart != originalTokenStart) { 2367 if (findChip != null) { 2368 tokenStart = prevTokenStart; 2369 } 2370 int tokenEnd; 2371 RecipientChip createdChip; 2372 while (tokenStart < originalTokenStart) { 2373 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2374 tokenStart)); 2375 commitChip(tokenStart, tokenEnd, getText()); 2376 createdChip = findChip(tokenStart); 2377 if (createdChip == null) { 2378 break; 2379 } 2380 // +1 for the space at the end. 2381 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2382 created.add(createdChip); 2383 } 2384 } 2385 } 2386 // Take a look at the last token. If the token has been completed with a 2387 // commit character, create a chip. 2388 if (isCompletedToken(lastAddress)) { 2389 Editable editable = getText(); 2390 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2391 commitChip(tokenStart, editable.length(), editable); 2392 created.add(findChip(tokenStart)); 2393 } 2394 return created; 2395 } 2396 2397 // Visible for testing. 2398 /* package */int movePastTerminators(int tokenEnd) { 2399 if (tokenEnd >= length()) { 2400 return tokenEnd; 2401 } 2402 char atEnd = getText().toString().charAt(tokenEnd); 2403 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2404 tokenEnd++; 2405 } 2406 // This token had not only an end token character, but also a space 2407 // separating it from the next token. 2408 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2409 tokenEnd++; 2410 } 2411 return tokenEnd; 2412 } 2413 2414 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2415 private RecipientChip createFreeChip(RecipientEntry entry) { 2416 try { 2417 if (mNoChips) { 2418 return null; 2419 } 2420 return constructChipSpan(entry, -1, false, 2421 false /*leave space for contact icon */); 2422 } catch (NullPointerException e) { 2423 Log.e(TAG, e.getMessage(), e); 2424 return null; 2425 } 2426 } 2427 2428 @Override 2429 protected Void doInBackground(Void... params) { 2430 if (mIndividualReplacements != null) { 2431 mIndividualReplacements.cancel(true); 2432 } 2433 // For each chip in the list, look up the matching contact. 2434 // If there is a match, replace that chip with the matching 2435 // chip. 2436 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2437 RecipientChip[] existingChips = getSortedRecipients(); 2438 for (int i = 0; i < existingChips.length; i++) { 2439 originalRecipients.add(existingChips[i]); 2440 } 2441 if (mRemovedSpans != null) { 2442 originalRecipients.addAll(mRemovedSpans); 2443 } 2444 ArrayList<String> addresses = new ArrayList<String>(); 2445 RecipientChip chip; 2446 for (int i = 0; i < originalRecipients.size(); i++) { 2447 chip = originalRecipients.get(i); 2448 if (chip != null) { 2449 addresses.add(createAddressText(chip.getEntry())); 2450 } 2451 } 2452 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2453 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2454 new RecipientMatchCallback() { 2455 2456 @Override 2457 public void matchesFound(Map<String, RecipientEntry> entries) { 2458 final ArrayList<RecipientChip> replacements = 2459 new ArrayList<RecipientChip>(); 2460 for (final RecipientChip temp : originalRecipients) { 2461 RecipientEntry entry = null; 2462 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2463 .getContactId()) 2464 && getSpannable().getSpanStart(temp) != -1) { 2465 // Replace this. 2466 entry = createValidatedEntry( 2467 entries.get(tokenizeAddress(temp.getEntry() 2468 .getDestination()))); 2469 } 2470 if (entry != null) { 2471 replacements.add(createFreeChip(entry)); 2472 } else { 2473 replacements.add(null); 2474 } 2475 } 2476 processReplacements(replacements); 2477 } 2478 2479 private void processReplacements(final List<RecipientChip> replacements) { 2480 if (replacements != null && replacements.size() > 0) { 2481 mHandler.post(new Runnable() { 2482 @Override 2483 public void run() { 2484 Editable oldText = getText(); 2485 int start, end; 2486 int i = 0; 2487 for (RecipientChip chip : originalRecipients) { 2488 // Find the location of the chip in 2489 // the text currently shown. 2490 start = oldText.getSpanStart(chip); 2491 if (start != -1) { 2492 RecipientChip replacement = replacements.get(i); 2493 if (replacement != null) { 2494 // Replacing the entirety of 2495 // what the chip 2496 // represented, including 2497 // the extra space dividing 2498 // it from other chips. 2499 end = oldText.getSpanEnd(chip) + 1; 2500 oldText.removeSpan(chip); 2501 // Make sure we always have just 1 space at the 2502 // end to separate this chip from the next chip. 2503 SpannableString displayText = 2504 new SpannableString( 2505 createAddressText( 2506 replacement.getEntry()).trim() 2507 + " "); 2508 displayText.setSpan(replacement, 0, 2509 displayText.length() - 1, 2510 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2511 // Replace the old text we 2512 // found with with the new 2513 // display text, which now 2514 // may also contain the 2515 // display name of the 2516 // recipient. 2517 oldText.replace(start, end, displayText); 2518 replacement.setOriginalText(displayText 2519 .toString()); 2520 replacements.set(i, null); 2521 } 2522 } 2523 i++; 2524 } 2525 } 2526 }); 2527 } 2528 } 2529 2530 @Override 2531 public void matchesNotFound(final Set<String> addresses) { 2532 final List<RecipientChip> replacements = 2533 new ArrayList<RecipientChip>(addresses.size()); 2534 2535 for (final RecipientChip temp : originalRecipients) { 2536 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2537 .getContactId()) 2538 && getSpannable().getSpanStart(temp) != -1) { 2539 if (addresses.contains(temp.getEntry().getDestination())) { 2540 replacements.add(createFreeChip(temp.getEntry())); 2541 } else { 2542 replacements.add(null); 2543 } 2544 } else { 2545 replacements.add(null); 2546 } 2547 } 2548 2549 processReplacements(replacements); 2550 } 2551 }); 2552 return null; 2553 } 2554 } 2555 2556 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2557 @SuppressWarnings("unchecked") 2558 @Override 2559 protected Void doInBackground(Object... params) { 2560 // For each chip in the list, look up the matching contact. 2561 // If there is a match, replace that chip with the matching 2562 // chip. 2563 final ArrayList<RecipientChip> originalRecipients = 2564 (ArrayList<RecipientChip>) params[0]; 2565 ArrayList<String> addresses = new ArrayList<String>(); 2566 RecipientChip chip; 2567 for (int i = 0; i < originalRecipients.size(); i++) { 2568 chip = originalRecipients.get(i); 2569 if (chip != null) { 2570 addresses.add(createAddressText(chip.getEntry())); 2571 } 2572 } 2573 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2574 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2575 new RecipientMatchCallback() { 2576 2577 @Override 2578 public void matchesFound(Map<String, RecipientEntry> entries) { 2579 for (final RecipientChip temp : originalRecipients) { 2580 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2581 .getContactId()) 2582 && getSpannable().getSpanStart(temp) != -1) { 2583 // Replace this. 2584 RecipientEntry entry = createValidatedEntry(entries 2585 .get(tokenizeAddress(temp.getEntry().getDestination()) 2586 .toLowerCase())); 2587 // If we don't have a validated contact 2588 // match, just use the 2589 // entry as it existed before. 2590 if (entry == null && !isPhoneQuery()) { 2591 entry = temp.getEntry(); 2592 } 2593 final RecipientEntry tempEntry = entry; 2594 if (tempEntry != null) { 2595 mHandler.post(new Runnable() { 2596 @Override 2597 public void run() { 2598 replaceChip(temp, tempEntry); 2599 } 2600 }); 2601 } 2602 } 2603 } 2604 } 2605 2606 @Override 2607 public void matchesNotFound(final Set<String> addresses) { 2608 // No action required 2609 } 2610 }); 2611 return null; 2612 } 2613 } 2614 2615 2616 /** 2617 * MoreImageSpan is a simple class created for tracking the existence of a 2618 * more chip across activity restarts/ 2619 */ 2620 private class MoreImageSpan extends ImageSpan { 2621 public MoreImageSpan(Drawable b) { 2622 super(b); 2623 } 2624 } 2625 2626 @Override 2627 public boolean onDown(MotionEvent e) { 2628 return false; 2629 } 2630 2631 @Override 2632 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2633 // Do nothing. 2634 return false; 2635 } 2636 2637 @Override 2638 public void onLongPress(MotionEvent event) { 2639 if (mSelectedChip != null) { 2640 return; 2641 } 2642 float x = event.getX(); 2643 float y = event.getY(); 2644 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2645 RecipientChip currentChip = findChip(offset); 2646 if (currentChip != null) { 2647 if (mDragEnabled) { 2648 // Start drag-and-drop for the selected chip. 2649 startDrag(currentChip); 2650 } else { 2651 // Copy the selected chip email address. 2652 showCopyDialog(currentChip.getEntry().getDestination()); 2653 } 2654 } 2655 } 2656 2657 /** 2658 * Enables drag-and-drop for chips. 2659 */ 2660 public void enableDrag() { 2661 mDragEnabled = true; 2662 } 2663 2664 /** 2665 * Starts drag-and-drop for the selected chip. 2666 */ 2667 private void startDrag(RecipientChip currentChip) { 2668 String address = currentChip.getEntry().getDestination(); 2669 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2670 2671 // Start drag mode. 2672 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2673 2674 // Remove the current chip, so drag-and-drop will result in a move. 2675 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2676 removeChip(currentChip); 2677 } 2678 2679 /** 2680 * Handles drag event. 2681 */ 2682 @Override 2683 public boolean onDragEvent(DragEvent event) { 2684 switch (event.getAction()) { 2685 case DragEvent.ACTION_DRAG_STARTED: 2686 // Only handle plain text drag and drop. 2687 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2688 case DragEvent.ACTION_DRAG_ENTERED: 2689 requestFocus(); 2690 return true; 2691 case DragEvent.ACTION_DROP: 2692 handlePasteClip(event.getClipData()); 2693 return true; 2694 } 2695 return false; 2696 } 2697 2698 /** 2699 * Drag shadow for a {@link RecipientChip}. 2700 */ 2701 private final class RecipientChipShadow extends DragShadowBuilder { 2702 private final RecipientChip mChip; 2703 2704 public RecipientChipShadow(RecipientChip chip) { 2705 mChip = chip; 2706 } 2707 2708 @Override 2709 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2710 Rect rect = mChip.getBounds(); 2711 shadowSize.set(rect.width(), rect.height()); 2712 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2713 } 2714 2715 @Override 2716 public void onDrawShadow(Canvas canvas) { 2717 mChip.draw(canvas); 2718 } 2719 } 2720 2721 private void showCopyDialog(final String address) { 2722 mCopyAddress = address; 2723 mCopyDialog.setTitle(address); 2724 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2725 mCopyDialog.setCancelable(true); 2726 mCopyDialog.setCanceledOnTouchOutside(true); 2727 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2728 button.setOnClickListener(this); 2729 int btnTitleId; 2730 if (isPhoneQuery()) { 2731 btnTitleId = R.string.copy_number; 2732 } else { 2733 btnTitleId = R.string.copy_email; 2734 } 2735 String buttonTitle = getContext().getResources().getString(btnTitleId); 2736 button.setText(buttonTitle); 2737 mCopyDialog.setOnDismissListener(this); 2738 mCopyDialog.show(); 2739 } 2740 2741 @Override 2742 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2743 // Do nothing. 2744 return false; 2745 } 2746 2747 @Override 2748 public void onShowPress(MotionEvent e) { 2749 // Do nothing. 2750 } 2751 2752 @Override 2753 public boolean onSingleTapUp(MotionEvent e) { 2754 // Do nothing. 2755 return false; 2756 } 2757 2758 @Override 2759 public void onDismiss(DialogInterface dialog) { 2760 mCopyAddress = null; 2761 } 2762 2763 @Override 2764 public void onClick(View v) { 2765 // Copy this to the clipboard. 2766 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2767 Context.CLIPBOARD_SERVICE); 2768 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2769 mCopyDialog.dismiss(); 2770 } 2771 2772 protected boolean isPhoneQuery() { 2773 return getAdapter() != null 2774 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2775 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2776 } 2777} 2778