RecipientEditTextView.java revision 0802df0444288e59e3e5eb7c2474b7f5db97483e
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.Looper; 40import android.os.Message; 41import android.os.Parcelable; 42import android.text.Editable; 43import android.text.InputType; 44import android.text.Layout; 45import android.text.Spannable; 46import android.text.SpannableString; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.TypedValue; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.Filterable; 76import android.widget.ListAdapter; 77import android.widget.ListPopupWindow; 78import android.widget.ListView; 79import android.widget.MultiAutoCompleteTextView; 80import android.widget.ScrollView; 81import android.widget.TextView; 82 83import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 84 85import java.util.ArrayList; 86import java.util.Arrays; 87import java.util.Collection; 88import java.util.Collections; 89import java.util.Comparator; 90import java.util.HashSet; 91import java.util.List; 92import java.util.Map; 93import java.util.Set; 94import java.util.regex.Matcher; 95import java.util.regex.Pattern; 96 97/** 98 * RecipientEditTextView is an auto complete text view for use with applications 99 * that use the new Chips UI for addressing a message to recipients. 100 */ 101public class RecipientEditTextView extends MultiAutoCompleteTextView implements 102 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 103 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 104 TextView.OnEditorActionListener { 105 106 private static final char COMMIT_CHAR_COMMA = ','; 107 108 private static final char NAME_WRAPPER_CHAR = '"'; 109 110 private static final char COMMIT_CHAR_SEMICOLON = ';'; 111 112 private static final char COMMIT_CHAR_SPACE = ' '; 113 114 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 115 + String.valueOf(COMMIT_CHAR_SPACE); 116 117 private static final String TAG = "RecipientEditTextView"; 118 119 private static int DISMISS = "dismiss".hashCode(); 120 121 private static final long DISMISS_DELAY = 300; 122 123 // TODO: get correct number/ algorithm from with UX. 124 // Visible for testing. 125 /*package*/ static final int CHIP_LIMIT = 2; 126 127 private static final int MAX_CHIPS_PARSED = 50; 128 129 private static int sSelectedTextColor = -1; 130 131 // Resources for displaying chips. 132 private Drawable mChipBackground = null; 133 134 private Drawable mChipDelete = null; 135 136 private Drawable mInvalidChipBackground; 137 138 private Drawable mChipBackgroundPressed; 139 140 private float mChipHeight; 141 142 private float mChipFontSize; 143 144 private float mLineSpacingExtra; 145 146 private int mChipPadding; 147 148 private Tokenizer mTokenizer; 149 150 private Validator mValidator; 151 152 private RecipientChip mSelectedChip; 153 154 private int mAlternatesLayout; 155 156 private Bitmap mDefaultContactPhoto; 157 158 private ImageSpan mMoreChip; 159 160 private TextView mMoreItem; 161 162 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 163 164 private Handler mHandler; 165 166 private int mPendingChipsCount = 0; 167 168 private boolean mNoChips = false; 169 170 private ListPopupWindow mAlternatesPopup; 171 172 private ListPopupWindow mAddressPopup; 173 174 private ArrayList<RecipientChip> mTemporaryRecipients; 175 176 private ArrayList<RecipientChip> mRemovedSpans; 177 178 private boolean mShouldShrink = true; 179 180 // Chip copy fields. 181 private GestureDetector mGestureDetector; 182 183 private Dialog mCopyDialog; 184 185 private String mCopyAddress; 186 187 /** 188 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 189 * selected chip. 190 */ 191 private OnItemClickListener mAlternatesListener; 192 193 private int mCheckedItem; 194 195 private TextWatcher mTextWatcher; 196 197 // Obtain the enclosing scroll view, if it exists, so that the view can be 198 // scrolled to show the last line of chips content. 199 private ScrollView mScrollView; 200 201 private boolean mTriedGettingScrollView; 202 203 private boolean mDragEnabled = false; 204 205 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 206 // parens, so numbers such as "1 (425) 222-2342" match. 207 private static final Pattern PHONE_PATTERN 208 = Pattern.compile( // sdd = space, dot, or dash 209 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 210 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 211 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 212 213 private final Runnable mAddTextWatcher = new Runnable() { 214 @Override 215 public void run() { 216 if (mTextWatcher == null) { 217 mTextWatcher = new RecipientTextWatcher(); 218 addTextChangedListener(mTextWatcher); 219 } 220 } 221 }; 222 223 private IndividualReplacementTask mIndividualReplacements; 224 225 private Runnable mHandlePendingChips = new Runnable() { 226 227 @Override 228 public void run() { 229 handlePendingChips(); 230 } 231 232 }; 233 234 private Runnable mDelayedShrink = new Runnable() { 235 236 @Override 237 public void run() { 238 shrink(); 239 } 240 241 }; 242 243 private int mMaxLines; 244 245 private static int sExcessTopPadding = -1; 246 247 private int mActionBarHeight; 248 249 public RecipientEditTextView(Context context, AttributeSet attrs) { 250 super(context, attrs); 251 setChipDimensions(context, attrs); 252 if (sSelectedTextColor == -1) { 253 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 254 } 255 mAlternatesPopup = new ListPopupWindow(context); 256 mAddressPopup = new ListPopupWindow(context); 257 mCopyDialog = new Dialog(context); 258 mAlternatesListener = new OnItemClickListener() { 259 @Override 260 public void onItemClick(AdapterView<?> adapterView,View view, int position, 261 long rowId) { 262 mAlternatesPopup.setOnItemClickListener(null); 263 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 264 .getRecipientEntry(position)); 265 Message delayed = Message.obtain(mHandler, DISMISS); 266 delayed.obj = mAlternatesPopup; 267 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 268 clearComposingText(); 269 } 270 }; 271 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 272 setOnItemClickListener(this); 273 setCustomSelectionActionModeCallback(this); 274 mHandler = new Handler() { 275 @Override 276 public void handleMessage(Message msg) { 277 if (msg.what == DISMISS) { 278 ((ListPopupWindow) msg.obj).dismiss(); 279 return; 280 } 281 super.handleMessage(msg); 282 } 283 }; 284 mTextWatcher = new RecipientTextWatcher(); 285 addTextChangedListener(mTextWatcher); 286 mGestureDetector = new GestureDetector(context, this); 287 setOnEditorActionListener(this); 288 } 289 290 @Override 291 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 292 if (action == EditorInfo.IME_ACTION_DONE) { 293 if (commitDefault()) { 294 return true; 295 } 296 if (mSelectedChip != null) { 297 clearSelectedChip(); 298 return true; 299 } else if (focusNext()) { 300 return true; 301 } 302 } 303 return false; 304 } 305 306 @Override 307 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 308 InputConnection connection = super.onCreateInputConnection(outAttrs); 309 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 310 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 311 // clear the existing action 312 outAttrs.imeOptions ^= imeActions; 313 // set the DONE action 314 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 315 } 316 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 317 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 318 } 319 320 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 321 outAttrs.actionLabel = getContext().getString(R.string.done); 322 return connection; 323 } 324 325 /*package*/ RecipientChip getLastChip() { 326 RecipientChip last = null; 327 RecipientChip[] chips = getSortedRecipients(); 328 if (chips != null && chips.length > 0) { 329 last = chips[chips.length - 1]; 330 } 331 return last; 332 } 333 334 @Override 335 public void onSelectionChanged(int start, int end) { 336 // When selection changes, see if it is inside the chips area. 337 // If so, move the cursor back after the chips again. 338 RecipientChip last = getLastChip(); 339 if (last != null && start < getSpannable().getSpanEnd(last)) { 340 // Grab the last chip and set the cursor to after it. 341 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 342 } 343 super.onSelectionChanged(start, end); 344 } 345 346 @Override 347 public void onRestoreInstanceState(Parcelable state) { 348 if (!TextUtils.isEmpty(getText())) { 349 super.onRestoreInstanceState(null); 350 } else { 351 super.onRestoreInstanceState(state); 352 } 353 } 354 355 @Override 356 public Parcelable onSaveInstanceState() { 357 // If the user changes orientation while they are editing, just roll back the selection. 358 clearSelectedChip(); 359 return super.onSaveInstanceState(); 360 } 361 362 /** 363 * Convenience method: Append the specified text slice to the TextView's 364 * display buffer, upgrading it to BufferType.EDITABLE if it was 365 * not already editable. Commas are excluded as they are added automatically 366 * by the view. 367 */ 368 @Override 369 public void append(CharSequence text, int start, int end) { 370 // We don't care about watching text changes while appending. 371 if (mTextWatcher != null) { 372 removeTextChangedListener(mTextWatcher); 373 } 374 super.append(text, start, end); 375 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 376 String displayString = text.toString(); 377 378 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 379 // We have no separator, so we should add it 380 super.append(SEPARATOR, 0, SEPARATOR.length()); 381 displayString += SEPARATOR; 382 } 383 384 if (!TextUtils.isEmpty(displayString) 385 && TextUtils.getTrimmedLength(displayString) > 0) { 386 mPendingChipsCount++; 387 mPendingChips.add(displayString); 388 } 389 } 390 // Put a message on the queue to make sure we ALWAYS handle pending 391 // chips. 392 if (mPendingChipsCount > 0) { 393 postHandlePendingChips(); 394 } 395 mHandler.post(mAddTextWatcher); 396 } 397 398 @Override 399 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 400 super.onFocusChanged(hasFocus, direction, previous); 401 if (!hasFocus) { 402 shrink(); 403 } else { 404 expand(); 405 } 406 } 407 408 @Override 409 public void performValidation() { 410 // Do nothing. Chips handles its own validation. 411 } 412 413 private void shrink() { 414 if (mTokenizer == null) { 415 return; 416 } 417 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 418 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 419 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 420 clearSelectedChip(); 421 } else { 422 if (getWidth() <= 0) { 423 // We don't have the width yet which means the view hasn't been drawn yet 424 // and there is no reason to attempt to commit chips yet. 425 // This focus lost must be the result of an orientation change 426 // or an initial rendering. 427 // Re-post the shrink for later. 428 mHandler.removeCallbacks(mDelayedShrink); 429 mHandler.post(mDelayedShrink); 430 return; 431 } 432 // Reset any pending chips as they would have been handled 433 // when the field lost focus. 434 if (mPendingChipsCount > 0) { 435 postHandlePendingChips(); 436 } else { 437 Editable editable = getText(); 438 int end = getSelectionEnd(); 439 int start = mTokenizer.findTokenStart(editable, end); 440 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 441 if ((chips == null || chips.length == 0)) { 442 Editable text = getText(); 443 int whatEnd = mTokenizer.findTokenEnd(text, start); 444 // This token was already tokenized, so skip past the ending token. 445 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 446 whatEnd = movePastTerminators(whatEnd); 447 } 448 // In the middle of chip; treat this as an edit 449 // and commit the whole token. 450 int selEnd = getSelectionEnd(); 451 if (whatEnd != selEnd) { 452 handleEdit(start, whatEnd); 453 } else { 454 commitChip(start, end, editable); 455 } 456 } 457 } 458 mHandler.post(mAddTextWatcher); 459 } 460 createMoreChip(); 461 } 462 463 private void expand() { 464 if (mShouldShrink) { 465 setMaxLines(Integer.MAX_VALUE); 466 } 467 removeMoreChip(); 468 setCursorVisible(true); 469 Editable text = getText(); 470 setSelection(text != null && text.length() > 0 ? text.length() : 0); 471 // If there are any temporary chips, try replacing them now that the user 472 // has expanded the field. 473 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 474 new RecipientReplacementTask().execute(); 475 mTemporaryRecipients = null; 476 } 477 } 478 479 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 480 paint.setTextSize(mChipFontSize); 481 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 482 Log.d(TAG, "Max width is negative: " + maxWidth); 483 } 484 return TextUtils.ellipsize(text, paint, maxWidth, 485 TextUtils.TruncateAt.END); 486 } 487 488 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 489 // Ellipsize the text so that it takes AT MOST the entire width of the 490 // autocomplete text entry area. Make sure to leave space for padding 491 // on the sides. 492 int height = (int) mChipHeight; 493 int deleteWidth = height; 494 float[] widths = new float[1]; 495 paint.getTextWidths(" ", widths); 496 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 497 calculateAvailableWidth(true) - deleteWidth - widths[0]); 498 499 // Make sure there is a minimum chip width so the user can ALWAYS 500 // tap a chip without difficulty. 501 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 502 ellipsizedText.length())) 503 + (mChipPadding * 2) + deleteWidth); 504 505 // Create the background of the chip. 506 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 507 Canvas canvas = new Canvas(tmpBitmap); 508 if (mChipBackgroundPressed != null) { 509 mChipBackgroundPressed.setBounds(0, 0, width, height); 510 mChipBackgroundPressed.draw(canvas); 511 paint.setColor(sSelectedTextColor); 512 // Vertically center the text in the chip. 513 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 514 getTextYOffset((String) ellipsizedText, paint, height), paint); 515 // Make the delete a square. 516 Rect backgroundPadding = new Rect(); 517 mChipBackgroundPressed.getPadding(backgroundPadding); 518 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 519 0 + backgroundPadding.top, 520 width - backgroundPadding.right, 521 height - backgroundPadding.bottom); 522 mChipDelete.draw(canvas); 523 } else { 524 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 525 } 526 return tmpBitmap; 527 } 528 529 530 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout, 531 boolean leaveBlankIconSpacer) { 532 // Ellipsize the text so that it takes AT MOST the entire width of the 533 // autocomplete text entry area. Make sure to leave space for padding 534 // on the sides. 535 int height = (int) mChipHeight; 536 int iconWidth = height; 537 float[] widths = new float[1]; 538 paint.getTextWidths(" ", widths); 539 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 540 calculateAvailableWidth(false) - iconWidth - widths[0]); 541 // Make sure there is a minimum chip width so the user can ALWAYS 542 // tap a chip without difficulty. 543 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 544 ellipsizedText.length())) 545 + (mChipPadding * 2) + iconWidth); 546 547 // Create the background of the chip. 548 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 549 Canvas canvas = new Canvas(tmpBitmap); 550 Drawable background = getChipBackground(contact); 551 if (background != null) { 552 background.setBounds(0, 0, width, height); 553 background.draw(canvas); 554 555 // Don't draw photos for recipients that have been typed in OR generated on the fly. 556 long contactId = contact.getContactId(); 557 boolean drawPhotos = isPhoneQuery() ? 558 contactId != RecipientEntry.INVALID_CONTACT 559 : (contactId != RecipientEntry.INVALID_CONTACT 560 && (contactId != RecipientEntry.GENERATED_CONTACT && 561 !TextUtils.isEmpty(contact.getDisplayName()))); 562 if (drawPhotos) { 563 byte[] photoBytes = contact.getPhotoBytes(); 564 // There may not be a photo yet if anything but the first contact address 565 // was selected. 566 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 567 // TODO: cache this in the recipient entry? 568 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 569 .getPhotoThumbnailUri()); 570 photoBytes = contact.getPhotoBytes(); 571 } 572 573 Bitmap photo; 574 if (photoBytes != null) { 575 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 576 } else { 577 // TODO: can the scaled down default photo be cached? 578 photo = mDefaultContactPhoto; 579 } 580 // Draw the photo on the left side. 581 if (photo != null) { 582 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 583 Rect backgroundPadding = new Rect(); 584 mChipBackground.getPadding(backgroundPadding); 585 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 586 0 + backgroundPadding.top, 587 width - backgroundPadding.right, 588 height - backgroundPadding.bottom); 589 Matrix matrix = new Matrix(); 590 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 591 canvas.drawBitmap(photo, matrix, paint); 592 } 593 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 594 iconWidth = 0; 595 } 596 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 597 // Vertically center the text in the chip. 598 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 599 getTextYOffset((String)ellipsizedText, paint, height), paint); 600 } else { 601 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 602 } 603 return tmpBitmap; 604 } 605 606 /** 607 * Get the background drawable for a RecipientChip. 608 */ 609 // Visible for testing. 610 /* package */Drawable getChipBackground(RecipientEntry contact) { 611 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 612 } 613 614 private float getTextYOffset(String text, TextPaint paint, int height) { 615 Rect bounds = new Rect(); 616 paint.getTextBounds(text, 0, text.length(), bounds); 617 int textHeight = bounds.bottom - bounds.top ; 618 return height - ((height - textHeight) / 2) - (int)paint.descent(); 619 } 620 621 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed, 622 boolean leaveIconSpace) throws NullPointerException { 623 if (mChipBackground == null) { 624 throw new NullPointerException( 625 "Unable to render any chips as setChipDimensions was not called."); 626 } 627 Layout layout = getLayout(); 628 629 TextPaint paint = getPaint(); 630 float defaultSize = paint.getTextSize(); 631 int defaultColor = paint.getColor(); 632 633 Bitmap tmpBitmap; 634 if (pressed) { 635 tmpBitmap = createSelectedChip(contact, paint, layout); 636 637 } else { 638 tmpBitmap = createUnselectedChip(contact, paint, layout, leaveIconSpace); 639 } 640 641 // Pass the full text, un-ellipsized, to the chip. 642 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 643 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 644 RecipientChip recipientChip = new VisibleRecipientChip(result, contact, offset); 645 // Return text to the original size. 646 paint.setTextSize(defaultSize); 647 paint.setColor(defaultColor); 648 return recipientChip; 649 } 650 651 /** 652 * Calculate the bottom of the line the chip will be located on using: 653 * 1) which line the chip appears on 654 * 2) the height of a chip 655 * 3) padding built into the edit text view 656 */ 657 private int calculateOffsetFromBottom(int line) { 658 // Line offsets start at zero. 659 int actualLine = getLineCount() - (line + 1); 660 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 661 + getDropDownVerticalOffset(); 662 } 663 664 /** 665 * Get the max amount of space a chip can take up. The formula takes into 666 * account the width of the EditTextView, any view padding, and padding 667 * that will be added to the chip. 668 */ 669 private float calculateAvailableWidth(boolean pressed) { 670 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 671 } 672 673 674 private void setChipDimensions(Context context, AttributeSet attrs) { 675 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 676 0); 677 Resources r = getContext().getResources(); 678 679 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 680 if (mChipBackground == null) { 681 mChipBackground = r.getDrawable(R.drawable.chip_background); 682 } 683 mChipBackgroundPressed = a 684 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 685 if (mChipBackgroundPressed == null) { 686 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 687 } 688 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 689 if (mChipDelete == null) { 690 mChipDelete = r.getDrawable(R.drawable.chip_delete); 691 } 692 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 693 if (mChipPadding == -1) { 694 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 695 } 696 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 697 -1); 698 if (mAlternatesLayout == -1) { 699 mAlternatesLayout = R.layout.chips_alternate_item; 700 } 701 702 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 703 704 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 705 706 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 707 if (mChipHeight == -1) { 708 mChipHeight = r.getDimension(R.dimen.chip_height); 709 } 710 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 711 if (mChipFontSize == -1) { 712 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 713 } 714 mInvalidChipBackground = a 715 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 716 if (mInvalidChipBackground == null) { 717 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 718 } 719 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 720 mMaxLines = r.getInteger(R.integer.chips_max_lines); 721 TypedValue tv = new TypedValue(); 722 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 723 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 724 .getDisplayMetrics()); 725 } 726 a.recycle(); 727 } 728 729 // Visible for testing. 730 /* package */ void setMoreItem(TextView moreItem) { 731 mMoreItem = moreItem; 732 } 733 734 735 // Visible for testing. 736 /* package */ void setChipBackground(Drawable chipBackground) { 737 mChipBackground = chipBackground; 738 } 739 740 // Visible for testing. 741 /* package */ void setChipHeight(int height) { 742 mChipHeight = height; 743 } 744 745 /** 746 * Set whether to shrink the recipients field such that at most 747 * one line of recipients chips are shown when the field loses 748 * focus. By default, the number of displayed recipients will be 749 * limited and a "more" chip will be shown when focus is lost. 750 * @param shrink 751 */ 752 public void setOnFocusListShrinkRecipients(boolean shrink) { 753 mShouldShrink = shrink; 754 } 755 756 @Override 757 public void onSizeChanged(int width, int height, int oldw, int oldh) { 758 super.onSizeChanged(width, height, oldw, oldh); 759 if (width != 0 && height != 0) { 760 if (mPendingChipsCount > 0) { 761 postHandlePendingChips(); 762 } else { 763 checkChipWidths(); 764 } 765 } 766 // Try to find the scroll view parent, if it exists. 767 if (mScrollView == null && !mTriedGettingScrollView) { 768 ViewParent parent = getParent(); 769 while (parent != null && !(parent instanceof ScrollView)) { 770 parent = parent.getParent(); 771 } 772 if (parent != null) { 773 mScrollView = (ScrollView) parent; 774 } 775 mTriedGettingScrollView = true; 776 } 777 } 778 779 private void postHandlePendingChips() { 780 mHandler.removeCallbacks(mHandlePendingChips); 781 mHandler.post(mHandlePendingChips); 782 } 783 784 private void checkChipWidths() { 785 // Check the widths of the associated chips. 786 RecipientChip[] chips = getSortedRecipients(); 787 if (chips != null) { 788 Rect bounds; 789 for (RecipientChip chip : chips) { 790 bounds = chip.getBounds(); 791 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 792 // Need to redraw that chip. 793 replaceChip(chip, chip.getEntry()); 794 } 795 } 796 } 797 } 798 799 // Visible for testing. 800 /*package*/ void handlePendingChips() { 801 if (getViewWidth() <= 0) { 802 // The widget has not been sized yet. 803 // This will be called as a result of onSizeChanged 804 // at a later point. 805 return; 806 } 807 if (mPendingChipsCount <= 0) { 808 return; 809 } 810 811 synchronized (mPendingChips) { 812 Editable editable = getText(); 813 // Tokenize! 814 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 815 for (int i = 0; i < mPendingChips.size(); i++) { 816 String current = mPendingChips.get(i); 817 int tokenStart = editable.toString().indexOf(current); 818 // Always leave a space at the end between tokens. 819 int tokenEnd = tokenStart + current.length() - 1; 820 if (tokenStart >= 0) { 821 // When we have a valid token, include it with the token 822 // to the left. 823 if (tokenEnd < editable.length() - 2 824 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 825 tokenEnd++; 826 } 827 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 828 || !mShouldShrink); 829 } 830 mPendingChipsCount--; 831 } 832 sanitizeEnd(); 833 } else { 834 mNoChips = true; 835 } 836 837 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 838 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 839 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 840 new RecipientReplacementTask().execute(); 841 mTemporaryRecipients = null; 842 } else { 843 // Create the "more" chip 844 mIndividualReplacements = new IndividualReplacementTask(); 845 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 846 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 847 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 848 mTemporaryRecipients = new ArrayList<RecipientChip>( 849 mTemporaryRecipients.subList(CHIP_LIMIT, 850 mTemporaryRecipients.size())); 851 } else { 852 mTemporaryRecipients = null; 853 } 854 createMoreChip(); 855 } 856 } else { 857 // There are too many recipients to look up, so just fall back 858 // to showing addresses for all of them. 859 mTemporaryRecipients = null; 860 createMoreChip(); 861 } 862 mPendingChipsCount = 0; 863 mPendingChips.clear(); 864 } 865 } 866 867 // Visible for testing. 868 /*package*/ int getViewWidth() { 869 return getWidth(); 870 } 871 872 /** 873 * Remove any characters after the last valid chip. 874 */ 875 // Visible for testing. 876 /*package*/ void sanitizeEnd() { 877 // Don't sanitize while we are waiting for pending chips to complete. 878 if (mPendingChipsCount > 0) { 879 return; 880 } 881 // Find the last chip; eliminate any commit characters after it. 882 RecipientChip[] chips = getSortedRecipients(); 883 Spannable spannable = getSpannable(); 884 if (chips != null && chips.length > 0) { 885 int end; 886 mMoreChip = getMoreChip(); 887 if (mMoreChip != null) { 888 end = spannable.getSpanEnd(mMoreChip); 889 } else { 890 end = getSpannable().getSpanEnd(getLastChip()); 891 } 892 Editable editable = getText(); 893 int length = editable.length(); 894 if (length > end) { 895 // See what characters occur after that and eliminate them. 896 if (Log.isLoggable(TAG, Log.DEBUG)) { 897 Log.d(TAG, "There were extra characters after the last tokenizable entry." 898 + editable); 899 } 900 editable.delete(end + 1, length); 901 } 902 } 903 } 904 905 /** 906 * Create a chip that represents just the email address of a recipient. At some later 907 * point, this chip will be attached to a real contact entry, if one exists. 908 */ 909 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 910 boolean visible) { 911 if (alreadyHasChip(tokenStart, tokenEnd)) { 912 // There is already a chip present at this location. 913 // Don't recreate it. 914 return; 915 } 916 String token = editable.toString().substring(tokenStart, tokenEnd); 917 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 918 if (commitCharIndex == token.length() - 1) { 919 token = token.substring(0, token.length() - 1); 920 } 921 RecipientEntry entry = createTokenizedEntry(token); 922 if (entry != null) { 923 String destText = createAddressText(entry); 924 SpannableString chipText = new SpannableString(destText); 925 RecipientChip chip = null; 926 try { 927 if (!mNoChips) { 928 /* 929 * leave space for the contact icon if this is not just an 930 * email address 931 */ 932 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 933 || TextUtils.equals(entry.getDisplayName(), 934 entry.getDestination()); 935 chip = visible ? 936 constructChipSpan(entry, tokenStart, false, leaveSpace) 937 : new InvisibleRecipientChip(entry, commitCharIndex); 938 } 939 } catch (NullPointerException e) { 940 Log.e(TAG, e.getMessage(), e); 941 } 942 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 943 // Add this chip to the list of entries "to replace" 944 if (chip != null) { 945 if (mTemporaryRecipients == null) { 946 mTemporaryRecipients = new ArrayList<RecipientChip>(); 947 } 948 chip.setOriginalText(chipText.toString()); 949 mTemporaryRecipients.add(chip); 950 } 951 } 952 } 953 954 private static boolean isPhoneNumber(String number) { 955 // TODO: replace this function with libphonenumber's isPossibleNumber (see 956 // PhoneNumberUtil). One complication is that it requires the sender's region which 957 // comes from the CurrentCountryIso. For now, let's just do this simple match. 958 if (TextUtils.isEmpty(number)) { 959 return false; 960 } 961 962 Matcher match = PHONE_PATTERN.matcher(number); 963 return match.matches(); 964 } 965 966 private RecipientEntry createTokenizedEntry(String token) { 967 if (TextUtils.isEmpty(token)) { 968 return null; 969 } 970 if (isPhoneQuery() && isPhoneNumber(token)) { 971 return RecipientEntry.constructFakeEntry(token, true); 972 } 973 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 974 String display = null; 975 boolean isValid = isValid(token); 976 if (isValid && tokens != null && tokens.length > 0) { 977 // If we can get a name from tokenizing, then generate an entry from 978 // this. 979 display = tokens[0].getName(); 980 if (!TextUtils.isEmpty(display)) { 981 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 982 isValid); 983 } else { 984 display = tokens[0].getAddress(); 985 if (!TextUtils.isEmpty(display)) { 986 return RecipientEntry.constructFakeEntry(display, isValid); 987 } 988 } 989 } 990 // Unable to validate the token or to create a valid token from it. 991 // Just create a chip the user can edit. 992 String validatedToken = null; 993 if (mValidator != null && !isValid) { 994 // Try fixing up the entry using the validator. 995 validatedToken = mValidator.fixText(token).toString(); 996 if (!TextUtils.isEmpty(validatedToken)) { 997 if (validatedToken.contains(token)) { 998 // protect against the case of a validator with a null 999 // domain, 1000 // which doesn't add a domain to the token 1001 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1002 if (tokenized.length > 0) { 1003 validatedToken = tokenized[0].getAddress(); 1004 isValid = true; 1005 } 1006 } else { 1007 // We ran into a case where the token was invalid and 1008 // removed 1009 // by the validator. In this case, just use the original 1010 // token 1011 // and let the user sort out the error chip. 1012 validatedToken = null; 1013 isValid = false; 1014 } 1015 } 1016 } 1017 // Otherwise, fallback to just creating an editable email address chip. 1018 return RecipientEntry.constructFakeEntry( 1019 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1020 } 1021 1022 private boolean isValid(String text) { 1023 return mValidator == null ? true : mValidator.isValid(text); 1024 } 1025 1026 private String tokenizeAddress(String destination) { 1027 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1028 if (tokens != null && tokens.length > 0) { 1029 return tokens[0].getAddress(); 1030 } 1031 return destination; 1032 } 1033 1034 @Override 1035 public void setTokenizer(Tokenizer tokenizer) { 1036 mTokenizer = tokenizer; 1037 super.setTokenizer(mTokenizer); 1038 } 1039 1040 @Override 1041 public void setValidator(Validator validator) { 1042 mValidator = validator; 1043 super.setValidator(validator); 1044 } 1045 1046 /** 1047 * We cannot use the default mechanism for replaceText. Instead, 1048 * we override onItemClickListener so we can get all the associated 1049 * contact information including display text, address, and id. 1050 */ 1051 @Override 1052 protected void replaceText(CharSequence text) { 1053 return; 1054 } 1055 1056 /** 1057 * Dismiss any selected chips when the back key is pressed. 1058 */ 1059 @Override 1060 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1061 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1062 clearSelectedChip(); 1063 return true; 1064 } 1065 return super.onKeyPreIme(keyCode, event); 1066 } 1067 1068 /** 1069 * Monitor key presses in this view to see if the user types 1070 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1071 * If the user has entered text that has contact matches and types 1072 * a commit key, create a chip from the topmost matching contact. 1073 * If the user has entered text that has no contact matches and types 1074 * a commit key, then create a chip from the text they have entered. 1075 */ 1076 @Override 1077 public boolean onKeyUp(int keyCode, KeyEvent event) { 1078 switch (keyCode) { 1079 case KeyEvent.KEYCODE_TAB: 1080 if (event.hasNoModifiers()) { 1081 if (mSelectedChip != null) { 1082 clearSelectedChip(); 1083 } else { 1084 commitDefault(); 1085 } 1086 } 1087 break; 1088 } 1089 return super.onKeyUp(keyCode, event); 1090 } 1091 1092 private boolean focusNext() { 1093 View next = focusSearch(View.FOCUS_DOWN); 1094 if (next != null) { 1095 next.requestFocus(); 1096 return true; 1097 } 1098 return false; 1099 } 1100 1101 /** 1102 * Create a chip from the default selection. If the popup is showing, the 1103 * default is the first item in the popup suggestions list. Otherwise, it is 1104 * whatever the user had typed in. End represents where the the tokenizer 1105 * should search for a token to turn into a chip. 1106 * @return If a chip was created from a real contact. 1107 */ 1108 private boolean commitDefault() { 1109 // If there is no tokenizer, don't try to commit. 1110 if (mTokenizer == null) { 1111 return false; 1112 } 1113 Editable editable = getText(); 1114 int end = getSelectionEnd(); 1115 int start = mTokenizer.findTokenStart(editable, end); 1116 1117 if (shouldCreateChip(start, end)) { 1118 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1119 // In the middle of chip; treat this as an edit 1120 // and commit the whole token. 1121 whatEnd = movePastTerminators(whatEnd); 1122 if (whatEnd != getSelectionEnd()) { 1123 handleEdit(start, whatEnd); 1124 return true; 1125 } 1126 return commitChip(start, end , editable); 1127 } 1128 return false; 1129 } 1130 1131 private void commitByCharacter() { 1132 // We can't possibly commit by character if we can't tokenize. 1133 if (mTokenizer == null) { 1134 return; 1135 } 1136 Editable editable = getText(); 1137 int end = getSelectionEnd(); 1138 int start = mTokenizer.findTokenStart(editable, end); 1139 if (shouldCreateChip(start, end)) { 1140 commitChip(start, end, editable); 1141 } 1142 setSelection(getText().length()); 1143 } 1144 1145 private boolean commitChip(int start, int end, Editable editable) { 1146 ListAdapter adapter = getAdapter(); 1147 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1148 && end == getSelectionEnd() && !isPhoneQuery()) { 1149 // choose the first entry. 1150 submitItemAtPosition(0); 1151 dismissDropDown(); 1152 return true; 1153 } else { 1154 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1155 if (editable.length() > tokenEnd + 1) { 1156 char charAt = editable.charAt(tokenEnd + 1); 1157 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1158 tokenEnd++; 1159 } 1160 } 1161 String text = editable.toString().substring(start, tokenEnd).trim(); 1162 clearComposingText(); 1163 if (text != null && text.length() > 0 && !text.equals(" ")) { 1164 RecipientEntry entry = createTokenizedEntry(text); 1165 if (entry != null) { 1166 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1167 CharSequence chipText = createChip(entry, false); 1168 if (chipText != null && start > -1 && end > -1) { 1169 editable.replace(start, end, chipText); 1170 } 1171 } 1172 // Only dismiss the dropdown if it is related to the text we 1173 // just committed. 1174 // For paste, it may not be as there are possibly multiple 1175 // tokens being added. 1176 if (end == getSelectionEnd()) { 1177 dismissDropDown(); 1178 } 1179 sanitizeBetween(); 1180 return true; 1181 } 1182 } 1183 return false; 1184 } 1185 1186 // Visible for testing. 1187 /* package */ void sanitizeBetween() { 1188 // Don't sanitize while we are waiting for content to chipify. 1189 if (mPendingChipsCount > 0) { 1190 return; 1191 } 1192 // Find the last chip. 1193 RecipientChip[] recips = getSortedRecipients(); 1194 if (recips != null && recips.length > 0) { 1195 RecipientChip last = recips[recips.length - 1]; 1196 RecipientChip beforeLast = null; 1197 if (recips.length > 1) { 1198 beforeLast = recips[recips.length - 2]; 1199 } 1200 int startLooking = 0; 1201 int end = getSpannable().getSpanStart(last); 1202 if (beforeLast != null) { 1203 startLooking = getSpannable().getSpanEnd(beforeLast); 1204 Editable text = getText(); 1205 if (startLooking == -1 || startLooking > text.length() - 1) { 1206 // There is nothing after this chip. 1207 return; 1208 } 1209 if (text.charAt(startLooking) == ' ') { 1210 startLooking++; 1211 } 1212 } 1213 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1214 getText().delete(startLooking, end); 1215 } 1216 } 1217 } 1218 1219 private boolean shouldCreateChip(int start, int end) { 1220 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1221 } 1222 1223 private boolean alreadyHasChip(int start, int end) { 1224 if (mNoChips) { 1225 return true; 1226 } 1227 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1228 if ((chips == null || chips.length == 0)) { 1229 return false; 1230 } 1231 return true; 1232 } 1233 1234 private void handleEdit(int start, int end) { 1235 if (start == -1 || end == -1) { 1236 // This chip no longer exists in the field. 1237 dismissDropDown(); 1238 return; 1239 } 1240 // This is in the middle of a chip, so select out the whole chip 1241 // and commit it. 1242 Editable editable = getText(); 1243 setSelection(end); 1244 String text = getText().toString().substring(start, end); 1245 if (!TextUtils.isEmpty(text)) { 1246 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1247 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1248 CharSequence chipText = createChip(entry, false); 1249 int selEnd = getSelectionEnd(); 1250 if (chipText != null && start > -1 && selEnd > -1) { 1251 editable.replace(start, selEnd, chipText); 1252 } 1253 } 1254 dismissDropDown(); 1255 } 1256 1257 /** 1258 * If there is a selected chip, delegate the key events 1259 * to the selected chip. 1260 */ 1261 @Override 1262 public boolean onKeyDown(int keyCode, KeyEvent event) { 1263 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1264 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1265 mAlternatesPopup.dismiss(); 1266 } 1267 removeChip(mSelectedChip); 1268 } 1269 1270 switch (keyCode) { 1271 case KeyEvent.KEYCODE_ENTER: 1272 case KeyEvent.KEYCODE_DPAD_CENTER: 1273 if (event.hasNoModifiers()) { 1274 if (commitDefault()) { 1275 return true; 1276 } 1277 if (mSelectedChip != null) { 1278 clearSelectedChip(); 1279 return true; 1280 } else if (focusNext()) { 1281 return true; 1282 } 1283 } 1284 break; 1285 } 1286 1287 return super.onKeyDown(keyCode, event); 1288 } 1289 1290 // Visible for testing. 1291 /* package */ Spannable getSpannable() { 1292 return getText(); 1293 } 1294 1295 private int getChipStart(RecipientChip chip) { 1296 return getSpannable().getSpanStart(chip); 1297 } 1298 1299 private int getChipEnd(RecipientChip chip) { 1300 return getSpannable().getSpanEnd(chip); 1301 } 1302 1303 /** 1304 * Instead of filtering on the entire contents of the edit box, 1305 * this subclass method filters on the range from 1306 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1307 * if the length of that range meets or exceeds {@link #getThreshold} 1308 * and makes sure that the range is not already a Chip. 1309 */ 1310 @Override 1311 protected void performFiltering(CharSequence text, int keyCode) { 1312 boolean isCompletedToken = isCompletedToken(text); 1313 if (enoughToFilter() && !isCompletedToken) { 1314 int end = getSelectionEnd(); 1315 int start = mTokenizer.findTokenStart(text, end); 1316 // If this is a RecipientChip, don't filter 1317 // on its contents. 1318 Spannable span = getSpannable(); 1319 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1320 if (chips != null && chips.length > 0) { 1321 return; 1322 } 1323 } else if (isCompletedToken) { 1324 return; 1325 } 1326 super.performFiltering(text, keyCode); 1327 } 1328 1329 // Visible for testing. 1330 /*package*/ boolean isCompletedToken(CharSequence text) { 1331 if (TextUtils.isEmpty(text)) { 1332 return false; 1333 } 1334 // Check to see if this is a completed token before filtering. 1335 int end = text.length(); 1336 int start = mTokenizer.findTokenStart(text, end); 1337 String token = text.toString().substring(start, end).trim(); 1338 if (!TextUtils.isEmpty(token)) { 1339 char atEnd = token.charAt(token.length() - 1); 1340 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1341 } 1342 return false; 1343 } 1344 1345 private void clearSelectedChip() { 1346 if (mSelectedChip != null) { 1347 unselectChip(mSelectedChip); 1348 mSelectedChip = null; 1349 } 1350 setCursorVisible(true); 1351 } 1352 1353 /** 1354 * Monitor touch events in the RecipientEditTextView. 1355 * If the view does not have focus, any tap on the view 1356 * will just focus the view. If the view has focus, determine 1357 * if the touch target is a recipient chip. If it is and the chip 1358 * is not selected, select it and clear any other selected chips. 1359 * If it isn't, then select that chip. 1360 */ 1361 @Override 1362 public boolean onTouchEvent(MotionEvent event) { 1363 if (!isFocused()) { 1364 // Ignore any chip taps until this view is focused. 1365 return super.onTouchEvent(event); 1366 } 1367 boolean handled = super.onTouchEvent(event); 1368 int action = event.getAction(); 1369 boolean chipWasSelected = false; 1370 if (mSelectedChip == null) { 1371 mGestureDetector.onTouchEvent(event); 1372 } 1373 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1374 float x = event.getX(); 1375 float y = event.getY(); 1376 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1377 RecipientChip currentChip = findChip(offset); 1378 if (currentChip != null) { 1379 if (action == MotionEvent.ACTION_UP) { 1380 if (mSelectedChip != null && mSelectedChip != currentChip) { 1381 clearSelectedChip(); 1382 mSelectedChip = selectChip(currentChip); 1383 } else if (mSelectedChip == null) { 1384 setSelection(getText().length()); 1385 commitDefault(); 1386 mSelectedChip = selectChip(currentChip); 1387 } else { 1388 onClick(mSelectedChip, offset, x, y); 1389 } 1390 } 1391 chipWasSelected = true; 1392 handled = true; 1393 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1394 chipWasSelected = true; 1395 } 1396 } 1397 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1398 clearSelectedChip(); 1399 } 1400 return handled; 1401 } 1402 1403 private void scrollLineIntoView(int line) { 1404 if (mScrollView != null) { 1405 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1406 } 1407 } 1408 1409 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1410 int width, Context context) { 1411 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1412 int bottom; 1413 if (line == getLineCount() -1) { 1414 bottom = 0; 1415 } else { 1416 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1417 - line))); 1418 } 1419 // Align the alternates popup with the left side of the View, 1420 // regardless of the position of the chip tapped. 1421 alternatesPopup.setWidth(width); 1422 alternatesPopup.setAnchorView(this); 1423 alternatesPopup.setVerticalOffset(bottom); 1424 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1425 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1426 // Clear the checked item. 1427 mCheckedItem = -1; 1428 alternatesPopup.show(); 1429 ListView listView = alternatesPopup.getListView(); 1430 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1431 // Checked item would be -1 if the adapter has not 1432 // loaded the view that should be checked yet. The 1433 // variable will be set correctly when onCheckedItemChanged 1434 // is called in a separate thread. 1435 if (mCheckedItem != -1) { 1436 listView.setItemChecked(mCheckedItem, true); 1437 mCheckedItem = -1; 1438 } 1439 } 1440 1441 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1442 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1443 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1444 } 1445 1446 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1447 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1448 .getEntry()); 1449 } 1450 1451 @Override 1452 public void onCheckedItemChanged(int position) { 1453 ListView listView = mAlternatesPopup.getListView(); 1454 if (listView != null && listView.getCheckedItemCount() == 0) { 1455 listView.setItemChecked(position, true); 1456 } 1457 mCheckedItem = position; 1458 } 1459 1460 // TODO: This algorithm will need a lot of tweaking after more people have used 1461 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1462 // what comes before the finger. 1463 private int putOffsetInRange(int o) { 1464 int offset = o; 1465 Editable text = getText(); 1466 int length = text.length(); 1467 // Remove whitespace from end to find "real end" 1468 int realLength = length; 1469 for (int i = length - 1; i >= 0; i--) { 1470 if (text.charAt(i) == ' ') { 1471 realLength--; 1472 } else { 1473 break; 1474 } 1475 } 1476 1477 // If the offset is beyond or at the end of the text, 1478 // leave it alone. 1479 if (offset >= realLength) { 1480 return offset; 1481 } 1482 Editable editable = getText(); 1483 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1484 // Keep walking backward! 1485 offset--; 1486 } 1487 return offset; 1488 } 1489 1490 private int findText(Editable text, int offset) { 1491 if (text.charAt(offset) != ' ') { 1492 return offset; 1493 } 1494 return -1; 1495 } 1496 1497 private RecipientChip findChip(int offset) { 1498 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1499 // Find the chip that contains this offset. 1500 for (int i = 0; i < chips.length; i++) { 1501 RecipientChip chip = chips[i]; 1502 int start = getChipStart(chip); 1503 int end = getChipEnd(chip); 1504 if (offset >= start && offset <= end) { 1505 return chip; 1506 } 1507 } 1508 return null; 1509 } 1510 1511 // Visible for testing. 1512 // Use this method to generate text to add to the list of addresses. 1513 /* package */String createAddressText(RecipientEntry entry) { 1514 String display = entry.getDisplayName(); 1515 String address = entry.getDestination(); 1516 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1517 display = null; 1518 } 1519 String trimmedDisplayText; 1520 if (isPhoneQuery() && isPhoneNumber(address)) { 1521 trimmedDisplayText = address.trim(); 1522 } else { 1523 if (address != null) { 1524 // Tokenize out the address in case the address already 1525 // contained the username as well. 1526 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1527 if (tokenized != null && tokenized.length > 0) { 1528 address = tokenized[0].getAddress(); 1529 } 1530 } 1531 Rfc822Token token = new Rfc822Token(display, address, null); 1532 trimmedDisplayText = token.toString().trim(); 1533 } 1534 int index = trimmedDisplayText.indexOf(","); 1535 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1536 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1537 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1538 } 1539 1540 // Visible for testing. 1541 // Use this method to generate text to display in a chip. 1542 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1543 String display = entry.getDisplayName(); 1544 String address = entry.getDestination(); 1545 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1546 display = null; 1547 } 1548 if (!TextUtils.isEmpty(display)) { 1549 return display; 1550 } else if (!TextUtils.isEmpty(address)){ 1551 return address; 1552 } else { 1553 return new Rfc822Token(display, address, null).toString(); 1554 } 1555 } 1556 1557 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1558 String displayText = createAddressText(entry); 1559 if (TextUtils.isEmpty(displayText)) { 1560 return null; 1561 } 1562 SpannableString chipText = null; 1563 // Always leave a blank space at the end of a chip. 1564 int end = getSelectionEnd(); 1565 int start = mTokenizer.findTokenStart(getText(), end); 1566 int textLength = displayText.length()-1; 1567 chipText = new SpannableString(displayText); 1568 if (!mNoChips) { 1569 try { 1570 RecipientChip chip = constructChipSpan(entry, start, pressed, 1571 false /* leave space for contact icon */); 1572 chipText.setSpan(chip, 0, textLength, 1573 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1574 chip.setOriginalText(chipText.toString()); 1575 } catch (NullPointerException e) { 1576 Log.e(TAG, e.getMessage(), e); 1577 return null; 1578 } 1579 } 1580 return chipText; 1581 } 1582 1583 /** 1584 * When an item in the suggestions list has been clicked, create a chip from the 1585 * contact information of the selected item. 1586 */ 1587 @Override 1588 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1589 submitItemAtPosition(position); 1590 } 1591 1592 private void submitItemAtPosition(int position) { 1593 RecipientEntry entry = createValidatedEntry( 1594 (RecipientEntry)getAdapter().getItem(position)); 1595 if (entry == null) { 1596 return; 1597 } 1598 clearComposingText(); 1599 1600 int end = getSelectionEnd(); 1601 int start = mTokenizer.findTokenStart(getText(), end); 1602 1603 Editable editable = getText(); 1604 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1605 CharSequence chip = createChip(entry, false); 1606 if (chip != null && start >= 0 && end >= 0) { 1607 editable.replace(start, end, chip); 1608 } 1609 sanitizeBetween(); 1610 } 1611 1612 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1613 if (item == null) { 1614 return null; 1615 } 1616 final RecipientEntry entry; 1617 // If the display name and the address are the same, or if this is a 1618 // valid contact, but the destination is invalid, then make this a fake 1619 // recipient that is editable. 1620 String destination = item.getDestination(); 1621 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1622 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1623 destination, item.isValid()); 1624 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1625 && (TextUtils.isEmpty(item.getDisplayName()) 1626 || TextUtils.equals(item.getDisplayName(), destination) 1627 || (mValidator != null && !mValidator.isValid(destination)))) { 1628 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1629 } else { 1630 entry = item; 1631 } 1632 return entry; 1633 } 1634 1635 /** Returns a collection of contact Id for each chip inside this View. */ 1636 /* package */ Collection<Long> getContactIds() { 1637 final Set<Long> result = new HashSet<Long>(); 1638 RecipientChip[] chips = getSortedRecipients(); 1639 if (chips != null) { 1640 for (RecipientChip chip : chips) { 1641 result.add(chip.getContactId()); 1642 } 1643 } 1644 return result; 1645 } 1646 1647 1648 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1649 /* package */ Collection<Long> getDataIds() { 1650 final Set<Long> result = new HashSet<Long>(); 1651 RecipientChip [] chips = getSortedRecipients(); 1652 if (chips != null) { 1653 for (RecipientChip chip : chips) { 1654 result.add(chip.getDataId()); 1655 } 1656 } 1657 return result; 1658 } 1659 1660 // Visible for testing. 1661 /* package */RecipientChip[] getSortedRecipients() { 1662 RecipientChip[] recips = getSpannable() 1663 .getSpans(0, getText().length(), RecipientChip.class); 1664 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1665 .asList(recips)); 1666 final Spannable spannable = getSpannable(); 1667 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1668 1669 @Override 1670 public int compare(RecipientChip first, RecipientChip second) { 1671 int firstStart = spannable.getSpanStart(first); 1672 int secondStart = spannable.getSpanStart(second); 1673 if (firstStart < secondStart) { 1674 return -1; 1675 } else if (firstStart > secondStart) { 1676 return 1; 1677 } else { 1678 return 0; 1679 } 1680 } 1681 }); 1682 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1683 } 1684 1685 @Override 1686 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1687 return false; 1688 } 1689 1690 @Override 1691 public void onDestroyActionMode(ActionMode mode) { 1692 } 1693 1694 @Override 1695 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1696 return false; 1697 } 1698 1699 /** 1700 * No chips are selectable. 1701 */ 1702 @Override 1703 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1704 return false; 1705 } 1706 1707 // Visible for testing. 1708 /* package */ImageSpan getMoreChip() { 1709 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1710 MoreImageSpan.class); 1711 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1712 } 1713 1714 private MoreImageSpan createMoreSpan(int count) { 1715 String moreText = String.format(mMoreItem.getText().toString(), count); 1716 TextPaint morePaint = new TextPaint(getPaint()); 1717 morePaint.setTextSize(mMoreItem.getTextSize()); 1718 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1719 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1720 + mMoreItem.getPaddingRight(); 1721 int height = getLineHeight(); 1722 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1723 Canvas canvas = new Canvas(drawable); 1724 int adjustedHeight = height; 1725 Layout layout = getLayout(); 1726 if (layout != null) { 1727 adjustedHeight -= layout.getLineDescent(0); 1728 } 1729 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1730 1731 Drawable result = new BitmapDrawable(getResources(), drawable); 1732 result.setBounds(0, 0, width, height); 1733 return new MoreImageSpan(result); 1734 } 1735 1736 // Visible for testing. 1737 /*package*/ void createMoreChipPlainText() { 1738 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1739 Editable text = getText(); 1740 int start = 0; 1741 int end = start; 1742 for (int i = 0; i < CHIP_LIMIT; i++) { 1743 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1744 start = end; // move to the next token and get its end. 1745 } 1746 // Now, count total addresses. 1747 start = 0; 1748 int tokenCount = countTokens(text); 1749 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1750 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1751 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1752 text.replace(end, text.length(), chipText); 1753 mMoreChip = moreSpan; 1754 } 1755 1756 // Visible for testing. 1757 /* package */int countTokens(Editable text) { 1758 int tokenCount = 0; 1759 int start = 0; 1760 while (start < text.length()) { 1761 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1762 tokenCount++; 1763 if (start >= text.length()) { 1764 break; 1765 } 1766 } 1767 return tokenCount; 1768 } 1769 1770 /** 1771 * Create the more chip. The more chip is text that replaces any chips that 1772 * do not fit in the pre-defined available space when the 1773 * RecipientEditTextView loses focus. 1774 */ 1775 // Visible for testing. 1776 /* package */ void createMoreChip() { 1777 if (mNoChips) { 1778 createMoreChipPlainText(); 1779 return; 1780 } 1781 1782 if (!mShouldShrink) { 1783 return; 1784 } 1785 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1786 if (tempMore.length > 0) { 1787 getSpannable().removeSpan(tempMore[0]); 1788 } 1789 RecipientChip[] recipients = getSortedRecipients(); 1790 1791 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1792 mMoreChip = null; 1793 return; 1794 } 1795 Spannable spannable = getSpannable(); 1796 int numRecipients = recipients.length; 1797 int overage = numRecipients - CHIP_LIMIT; 1798 MoreImageSpan moreSpan = createMoreSpan(overage); 1799 mRemovedSpans = new ArrayList<RecipientChip>(); 1800 int totalReplaceStart = 0; 1801 int totalReplaceEnd = 0; 1802 Editable text = getText(); 1803 for (int i = numRecipients - overage; i < recipients.length; i++) { 1804 mRemovedSpans.add(recipients[i]); 1805 if (i == numRecipients - overage) { 1806 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1807 } 1808 if (i == recipients.length - 1) { 1809 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1810 } 1811 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1812 int spanStart = spannable.getSpanStart(recipients[i]); 1813 int spanEnd = spannable.getSpanEnd(recipients[i]); 1814 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1815 } 1816 spannable.removeSpan(recipients[i]); 1817 } 1818 if (totalReplaceEnd < text.length()) { 1819 totalReplaceEnd = text.length(); 1820 } 1821 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1822 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1823 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1824 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1825 text.replace(start, end, chipText); 1826 mMoreChip = moreSpan; 1827 // If adding the +more chip goes over the limit, resize accordingly. 1828 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1829 setMaxLines(getLineCount()); 1830 } 1831 } 1832 1833 /** 1834 * Replace the more chip, if it exists, with all of the recipient chips it had 1835 * replaced when the RecipientEditTextView gains focus. 1836 */ 1837 // Visible for testing. 1838 /*package*/ void removeMoreChip() { 1839 if (mMoreChip != null) { 1840 Spannable span = getSpannable(); 1841 span.removeSpan(mMoreChip); 1842 mMoreChip = null; 1843 // Re-add the spans that were removed. 1844 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1845 // Recreate each removed span. 1846 RecipientChip[] recipients = getSortedRecipients(); 1847 // Start the search for tokens after the last currently visible 1848 // chip. 1849 if (recipients == null || recipients.length == 0) { 1850 return; 1851 } 1852 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1853 Editable editable = getText(); 1854 for (RecipientChip chip : mRemovedSpans) { 1855 int chipStart; 1856 int chipEnd; 1857 String token; 1858 // Need to find the location of the chip, again. 1859 token = (String) chip.getOriginalText(); 1860 // As we find the matching recipient for the remove spans, 1861 // reduce the size of the string we need to search. 1862 // That way, if there are duplicates, we always find the correct 1863 // recipient. 1864 chipStart = editable.toString().indexOf(token, end); 1865 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1866 // Only set the span if we found a matching token. 1867 if (chipStart != -1) { 1868 editable.setSpan(chip, chipStart, chipEnd, 1869 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1870 } 1871 } 1872 mRemovedSpans.clear(); 1873 } 1874 } 1875 } 1876 1877 /** 1878 * Show specified chip as selected. If the RecipientChip is just an email address, 1879 * selecting the chip will take the contents of the chip and place it at 1880 * the end of the RecipientEditTextView for inline editing. If the 1881 * RecipientChip is a complete contact, then selecting the chip 1882 * will change the background color of the chip, show the delete icon, 1883 * and a popup window with the address in use highlighted and any other 1884 * alternate addresses for the contact. 1885 * @param currentChip Chip to select. 1886 * @return A RecipientChip in the selected state or null if the chip 1887 * just contained an email address. 1888 */ 1889 private RecipientChip selectChip(RecipientChip currentChip) { 1890 if (shouldShowEditableText(currentChip)) { 1891 CharSequence text = currentChip.getValue(); 1892 Editable editable = getText(); 1893 Spannable spannable = getSpannable(); 1894 int spanStart = spannable.getSpanStart(currentChip); 1895 int spanEnd = spannable.getSpanEnd(currentChip); 1896 spannable.removeSpan(currentChip); 1897 editable.delete(spanStart, spanEnd); 1898 setCursorVisible(true); 1899 setSelection(editable.length()); 1900 editable.append(text); 1901 return constructChipSpan( 1902 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1903 getSelectionStart(), true, false); 1904 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1905 int start = getChipStart(currentChip); 1906 int end = getChipEnd(currentChip); 1907 getSpannable().removeSpan(currentChip); 1908 RecipientChip newChip; 1909 try { 1910 if (mNoChips) { 1911 return null; 1912 } 1913 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1914 } catch (NullPointerException e) { 1915 Log.e(TAG, e.getMessage(), e); 1916 return null; 1917 } 1918 Editable editable = getText(); 1919 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1920 if (start == -1 || end == -1) { 1921 Log.d(TAG, "The chip being selected no longer exists but should."); 1922 } else { 1923 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1924 } 1925 newChip.setSelected(true); 1926 if (shouldShowEditableText(newChip)) { 1927 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1928 } 1929 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1930 setCursorVisible(false); 1931 return newChip; 1932 } else { 1933 int start = getChipStart(currentChip); 1934 int end = getChipEnd(currentChip); 1935 getSpannable().removeSpan(currentChip); 1936 RecipientChip newChip; 1937 try { 1938 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1939 } catch (NullPointerException e) { 1940 Log.e(TAG, e.getMessage(), e); 1941 return null; 1942 } 1943 Editable editable = getText(); 1944 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1945 if (start == -1 || end == -1) { 1946 Log.d(TAG, "The chip being selected no longer exists but should."); 1947 } else { 1948 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1949 } 1950 newChip.setSelected(true); 1951 if (shouldShowEditableText(newChip)) { 1952 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1953 } 1954 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1955 setCursorVisible(false); 1956 return newChip; 1957 } 1958 } 1959 1960 private boolean shouldShowEditableText(RecipientChip currentChip) { 1961 long contactId = currentChip.getContactId(); 1962 return contactId == RecipientEntry.INVALID_CONTACT 1963 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 1964 } 1965 1966 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1967 int width, Context context) { 1968 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1969 int bottom = calculateOffsetFromBottom(line); 1970 // Align the alternates popup with the left side of the View, 1971 // regardless of the position of the chip tapped. 1972 popup.setWidth(width); 1973 popup.setAnchorView(this); 1974 popup.setVerticalOffset(bottom); 1975 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1976 popup.setOnItemClickListener(new OnItemClickListener() { 1977 @Override 1978 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1979 unselectChip(currentChip); 1980 popup.dismiss(); 1981 } 1982 }); 1983 popup.show(); 1984 ListView listView = popup.getListView(); 1985 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1986 listView.setItemChecked(0, true); 1987 } 1988 1989 /** 1990 * Remove selection from this chip. Unselecting a RecipientChip will render 1991 * the chip without a delete icon and with an unfocused background. This is 1992 * called when the RecipientChip no longer has focus. 1993 */ 1994 private void unselectChip(RecipientChip chip) { 1995 int start = getChipStart(chip); 1996 int end = getChipEnd(chip); 1997 Editable editable = getText(); 1998 mSelectedChip = null; 1999 if (start == -1 || end == -1) { 2000 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2001 setSelection(editable.length()); 2002 commitDefault(); 2003 } else { 2004 getSpannable().removeSpan(chip); 2005 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2006 editable.removeSpan(chip); 2007 try { 2008 if (!mNoChips) { 2009 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2010 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2011 } 2012 } catch (NullPointerException e) { 2013 Log.e(TAG, e.getMessage(), e); 2014 } 2015 } 2016 setCursorVisible(true); 2017 setSelection(editable.length()); 2018 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2019 mAlternatesPopup.dismiss(); 2020 } 2021 } 2022 2023 /** 2024 * Return whether a touch event was inside the delete target of 2025 * a selected chip. It is in the delete target if: 2026 * 1) the x and y points of the event are within the 2027 * delete assset. 2028 * 2) the point tapped would have caused a cursor to appear 2029 * right after the selected chip. 2030 * @return boolean 2031 */ 2032 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2033 // Figure out the bounds of this chip and whether or not 2034 // the user clicked in the X portion. 2035 return chip.isSelected() && offset == getChipEnd(chip); 2036 } 2037 2038 /** 2039 * Remove the chip and any text associated with it from the RecipientEditTextView. 2040 */ 2041 // Visible for testing. 2042 /*pacakge*/ void removeChip(RecipientChip chip) { 2043 Spannable spannable = getSpannable(); 2044 int spanStart = spannable.getSpanStart(chip); 2045 int spanEnd = spannable.getSpanEnd(chip); 2046 Editable text = getText(); 2047 int toDelete = spanEnd; 2048 boolean wasSelected = chip == mSelectedChip; 2049 // Clear that there is a selected chip before updating any text. 2050 if (wasSelected) { 2051 mSelectedChip = null; 2052 } 2053 // Always remove trailing spaces when removing a chip. 2054 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2055 toDelete++; 2056 } 2057 spannable.removeSpan(chip); 2058 if (spanStart >= 0 && toDelete > 0) { 2059 text.delete(spanStart, toDelete); 2060 } 2061 if (wasSelected) { 2062 clearSelectedChip(); 2063 } 2064 } 2065 2066 /** 2067 * Replace this currently selected chip with a new chip 2068 * that uses the contact data provided. 2069 */ 2070 // Visible for testing. 2071 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2072 boolean wasSelected = chip == mSelectedChip; 2073 if (wasSelected) { 2074 mSelectedChip = null; 2075 } 2076 int start = getChipStart(chip); 2077 int end = getChipEnd(chip); 2078 getSpannable().removeSpan(chip); 2079 Editable editable = getText(); 2080 CharSequence chipText = createChip(entry, false); 2081 if (chipText != null) { 2082 if (start == -1 || end == -1) { 2083 Log.e(TAG, "The chip to replace does not exist but should."); 2084 editable.insert(0, chipText); 2085 } else { 2086 if (!TextUtils.isEmpty(chipText)) { 2087 // There may be a space to replace with this chip's new 2088 // associated space. Check for it 2089 int toReplace = end; 2090 while (toReplace >= 0 && toReplace < editable.length() 2091 && editable.charAt(toReplace) == ' ') { 2092 toReplace++; 2093 } 2094 editable.replace(start, toReplace, chipText); 2095 } 2096 } 2097 } 2098 setCursorVisible(true); 2099 if (wasSelected) { 2100 clearSelectedChip(); 2101 } 2102 } 2103 2104 /** 2105 * Handle click events for a chip. When a selected chip receives a click 2106 * event, see if that event was in the delete icon. If so, delete it. 2107 * Otherwise, unselect the chip. 2108 */ 2109 public void onClick(RecipientChip chip, int offset, float x, float y) { 2110 if (chip.isSelected()) { 2111 if (isInDelete(chip, offset, x, y)) { 2112 removeChip(chip); 2113 } else { 2114 clearSelectedChip(); 2115 } 2116 } 2117 } 2118 2119 private boolean chipsPending() { 2120 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2121 } 2122 2123 @Override 2124 public void removeTextChangedListener(TextWatcher watcher) { 2125 mTextWatcher = null; 2126 super.removeTextChangedListener(watcher); 2127 } 2128 2129 private class RecipientTextWatcher implements TextWatcher { 2130 2131 @Override 2132 public void afterTextChanged(Editable s) { 2133 // If the text has been set to null or empty, make sure we remove 2134 // all the spans we applied. 2135 if (TextUtils.isEmpty(s)) { 2136 // Remove all the chips spans. 2137 Spannable spannable = getSpannable(); 2138 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2139 RecipientChip.class); 2140 for (RecipientChip chip : chips) { 2141 spannable.removeSpan(chip); 2142 } 2143 if (mMoreChip != null) { 2144 spannable.removeSpan(mMoreChip); 2145 } 2146 return; 2147 } 2148 // Get whether there are any recipients pending addition to the 2149 // view. If there are, don't do anything in the text watcher. 2150 if (chipsPending()) { 2151 return; 2152 } 2153 // If the user is editing a chip, don't clear it. 2154 if (mSelectedChip != null) { 2155 if (!isGeneratedContact(mSelectedChip)) { 2156 setCursorVisible(true); 2157 setSelection(getText().length()); 2158 clearSelectedChip(); 2159 } else { 2160 return; 2161 } 2162 } 2163 int length = s.length(); 2164 // Make sure there is content there to parse and that it is 2165 // not just the commit character. 2166 if (length > 1) { 2167 if (lastCharacterIsCommitCharacter(s)) { 2168 commitByCharacter(); 2169 return; 2170 } 2171 char last; 2172 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2173 int len = length() - 1; 2174 if (end != len) { 2175 last = s.charAt(end); 2176 } else { 2177 last = s.charAt(len); 2178 } 2179 if (last == COMMIT_CHAR_SPACE) { 2180 if (!isPhoneQuery()) { 2181 // Check if this is a valid email address. If it is, 2182 // commit it. 2183 String text = getText().toString(); 2184 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2185 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2186 tokenStart)); 2187 if (!TextUtils.isEmpty(sub) && mValidator != null && 2188 mValidator.isValid(sub)) { 2189 commitByCharacter(); 2190 } 2191 } 2192 } 2193 } 2194 } 2195 2196 @Override 2197 public void onTextChanged(CharSequence s, int start, int before, int count) { 2198 // The user deleted some text OR some text was replaced; check to 2199 // see if the insertion point is on a space 2200 // following a chip. 2201 if (before - count == 1) { 2202 // If the item deleted is a space, and the thing before the 2203 // space is a chip, delete the entire span. 2204 int selStart = getSelectionStart(); 2205 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2206 RecipientChip.class); 2207 if (repl.length > 0) { 2208 // There is a chip there! Just remove it. 2209 Editable editable = getText(); 2210 // Add the separator token. 2211 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2212 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2213 tokenEnd = tokenEnd + 1; 2214 if (tokenEnd > editable.length()) { 2215 tokenEnd = editable.length(); 2216 } 2217 editable.delete(tokenStart, tokenEnd); 2218 getSpannable().removeSpan(repl[0]); 2219 } 2220 } else if (count > before) { 2221 if (mSelectedChip != null 2222 && isGeneratedContact(mSelectedChip)) { 2223 if (lastCharacterIsCommitCharacter(s)) { 2224 commitByCharacter(); 2225 return; 2226 } 2227 } 2228 } 2229 } 2230 2231 @Override 2232 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2233 // Do nothing. 2234 } 2235 } 2236 2237 @Override 2238 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 2239 super.setAdapter(adapter); 2240 ((BaseRecipientAdapter) adapter) 2241 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 2242 @Override 2243 public void onChanged(List<RecipientEntry> entries) { 2244 if (entries != null && entries.size() > 0) { 2245 scrollBottomIntoView(); 2246 } 2247 } 2248 }); 2249 } 2250 2251 private void scrollBottomIntoView() { 2252 if (mScrollView != null && mShouldShrink) { 2253 int[] location = new int[2]; 2254 getLocationOnScreen(location); 2255 int height = getHeight(); 2256 int currentPos = location[1] + height; 2257 // Desired position shows at least 1 line of chips below the action 2258 // bar. 2259 // We add excess padding to make sure this is always below other 2260 // content. 2261 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 2262 if (currentPos > desiredPos) { 2263 mScrollView.scrollBy(0, currentPos - desiredPos); 2264 } 2265 } 2266 } 2267 2268 private int getExcessTopPadding() { 2269 if (sExcessTopPadding == -1) { 2270 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 2271 } 2272 return sExcessTopPadding; 2273 } 2274 2275 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2276 char last; 2277 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2278 int len = length() - 1; 2279 if (end != len) { 2280 last = s.charAt(end); 2281 } else { 2282 last = s.charAt(len); 2283 } 2284 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2285 } 2286 2287 public boolean isGeneratedContact(RecipientChip chip) { 2288 long contactId = chip.getContactId(); 2289 return contactId == RecipientEntry.INVALID_CONTACT 2290 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2291 } 2292 2293 /** 2294 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2295 */ 2296 private void handlePasteClip(ClipData clip) { 2297 removeTextChangedListener(mTextWatcher); 2298 2299 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2300 for (int i = 0; i < clip.getItemCount(); i++) { 2301 CharSequence paste = clip.getItemAt(i).getText(); 2302 if (paste != null) { 2303 int start = getSelectionStart(); 2304 int end = getSelectionEnd(); 2305 Editable editable = getText(); 2306 if (start >= 0 && end >= 0 && start != end) { 2307 editable.append(paste, start, end); 2308 } else { 2309 editable.insert(end, paste); 2310 } 2311 handlePasteAndReplace(); 2312 } 2313 } 2314 } 2315 2316 mHandler.post(mAddTextWatcher); 2317 } 2318 2319 @Override 2320 public boolean onTextContextMenuItem(int id) { 2321 if (id == android.R.id.paste) { 2322 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2323 Context.CLIPBOARD_SERVICE); 2324 handlePasteClip(clipboard.getPrimaryClip()); 2325 return true; 2326 } 2327 return super.onTextContextMenuItem(id); 2328 } 2329 2330 private void handlePasteAndReplace() { 2331 ArrayList<RecipientChip> created = handlePaste(); 2332 if (created != null && created.size() > 0) { 2333 // Perform reverse lookups on the pasted contacts. 2334 IndividualReplacementTask replace = new IndividualReplacementTask(); 2335 replace.execute(created); 2336 } 2337 } 2338 2339 // Visible for testing. 2340 /* package */ArrayList<RecipientChip> handlePaste() { 2341 String text = getText().toString(); 2342 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2343 String lastAddress = text.substring(originalTokenStart); 2344 int tokenStart = originalTokenStart; 2345 int prevTokenStart = tokenStart; 2346 RecipientChip findChip = null; 2347 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2348 if (tokenStart != 0) { 2349 // There are things before this! 2350 while (tokenStart != 0 && findChip == null) { 2351 prevTokenStart = tokenStart; 2352 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2353 findChip = findChip(tokenStart); 2354 } 2355 if (tokenStart != originalTokenStart) { 2356 if (findChip != null) { 2357 tokenStart = prevTokenStart; 2358 } 2359 int tokenEnd; 2360 RecipientChip createdChip; 2361 while (tokenStart < originalTokenStart) { 2362 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2363 tokenStart)); 2364 commitChip(tokenStart, tokenEnd, getText()); 2365 createdChip = findChip(tokenStart); 2366 if (createdChip == null) { 2367 break; 2368 } 2369 // +1 for the space at the end. 2370 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2371 created.add(createdChip); 2372 } 2373 } 2374 } 2375 // Take a look at the last token. If the token has been completed with a 2376 // commit character, create a chip. 2377 if (isCompletedToken(lastAddress)) { 2378 Editable editable = getText(); 2379 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2380 commitChip(tokenStart, editable.length(), editable); 2381 created.add(findChip(tokenStart)); 2382 } 2383 return created; 2384 } 2385 2386 // Visible for testing. 2387 /* package */int movePastTerminators(int tokenEnd) { 2388 if (tokenEnd >= length()) { 2389 return tokenEnd; 2390 } 2391 char atEnd = getText().toString().charAt(tokenEnd); 2392 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2393 tokenEnd++; 2394 } 2395 // This token had not only an end token character, but also a space 2396 // separating it from the next token. 2397 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2398 tokenEnd++; 2399 } 2400 return tokenEnd; 2401 } 2402 2403 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2404 private RecipientChip createFreeChip(RecipientEntry entry) { 2405 try { 2406 if (mNoChips) { 2407 return null; 2408 } 2409 return constructChipSpan(entry, -1, false, 2410 false /*leave space for contact icon */); 2411 } catch (NullPointerException e) { 2412 Log.e(TAG, e.getMessage(), e); 2413 return null; 2414 } 2415 } 2416 2417 @Override 2418 protected void onPreExecute() { 2419 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2420 // replaced 2421 final List<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2422 final RecipientChip[] existingChips = getSortedRecipients(); 2423 for (int i = 0; i < existingChips.length; i++) { 2424 originalRecipients.add(existingChips[i]); 2425 } 2426 if (mRemovedSpans != null) { 2427 originalRecipients.addAll(mRemovedSpans); 2428 } 2429 2430 final List<RecipientChip> replacements = 2431 new ArrayList<RecipientChip>(originalRecipients.size()); 2432 2433 for (final RecipientChip chip : originalRecipients) { 2434 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2435 && getSpannable().getSpanStart(chip) != -1) { 2436 replacements.add(createFreeChip(chip.getEntry())); 2437 } else { 2438 replacements.add(null); 2439 } 2440 } 2441 2442 processReplacements(originalRecipients, replacements); 2443 } 2444 2445 @Override 2446 protected Void doInBackground(Void... params) { 2447 if (mIndividualReplacements != null) { 2448 mIndividualReplacements.cancel(true); 2449 } 2450 // For each chip in the list, look up the matching contact. 2451 // If there is a match, replace that chip with the matching 2452 // chip. 2453 final ArrayList<RecipientChip> recipients = new ArrayList<RecipientChip>(); 2454 RecipientChip[] existingChips = getSortedRecipients(); 2455 for (int i = 0; i < existingChips.length; i++) { 2456 recipients.add(existingChips[i]); 2457 } 2458 if (mRemovedSpans != null) { 2459 recipients.addAll(mRemovedSpans); 2460 } 2461 ArrayList<String> addresses = new ArrayList<String>(); 2462 RecipientChip chip; 2463 for (int i = 0; i < recipients.size(); i++) { 2464 chip = recipients.get(i); 2465 if (chip != null) { 2466 addresses.add(createAddressText(chip.getEntry())); 2467 } 2468 } 2469 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2470 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2471 new RecipientMatchCallback() { 2472 2473 @Override 2474 public void matchesFound(Map<String, RecipientEntry> entries) { 2475 final ArrayList<RecipientChip> replacements = 2476 new ArrayList<RecipientChip>(); 2477 for (final RecipientChip temp : recipients) { 2478 RecipientEntry entry = null; 2479 if (temp != null && RecipientEntry.isCreatedRecipient( 2480 temp.getEntry().getContactId()) 2481 && getSpannable().getSpanStart(temp) != -1) { 2482 // Replace this. 2483 entry = createValidatedEntry( 2484 entries.get(tokenizeAddress(temp.getEntry() 2485 .getDestination()))); 2486 } 2487 if (entry != null) { 2488 replacements.add(createFreeChip(entry)); 2489 } else { 2490 replacements.add(null); 2491 } 2492 } 2493 processReplacements(recipients, replacements); 2494 } 2495 2496 @Override 2497 public void matchesNotFound(final Set<String> addresses) { 2498 final List<RecipientChip> replacements = 2499 new ArrayList<RecipientChip>(addresses.size()); 2500 2501 for (final RecipientChip temp : recipients) { 2502 if (temp != null && RecipientEntry.isCreatedRecipient( 2503 temp.getEntry().getContactId()) 2504 && getSpannable().getSpanStart(temp) != -1) { 2505 if (addresses.contains(temp.getEntry().getDestination())) { 2506 replacements.add(createFreeChip(temp.getEntry())); 2507 } else { 2508 replacements.add(null); 2509 } 2510 } else { 2511 replacements.add(null); 2512 } 2513 } 2514 2515 processReplacements(recipients, replacements); 2516 } 2517 }); 2518 return null; 2519 } 2520 2521 private void processReplacements(final List<RecipientChip> recipients, 2522 final List<RecipientChip> replacements) { 2523 if (replacements != null && replacements.size() > 0) { 2524 final Runnable runnable = new Runnable() { 2525 @Override 2526 public void run() { 2527 Editable oldText = getText(); 2528 int start, end; 2529 int i = 0; 2530 for (RecipientChip chip : recipients) { 2531 RecipientChip replacement = replacements.get(i); 2532 if (replacement != null) { 2533 final RecipientEntry oldEntry = chip.getEntry(); 2534 final RecipientEntry newEntry = replacement.getEntry(); 2535 final boolean isBetter = 2536 RecipientAlternatesAdapter.getBetterRecipient( 2537 oldEntry, newEntry) == newEntry; 2538 2539 if (isBetter) { 2540 // Find the location of the chip in the text currently shown. 2541 start = oldText.getSpanStart(chip); 2542 if (start != -1) { 2543 // Replacing the entirety of what the chip represented, 2544 // including the extra space dividing it from other chips. 2545 end = oldText.getSpanEnd(chip) + 1; 2546 oldText.removeSpan(chip); 2547 // Make sure we always have just 1 space at the end to 2548 // separate this chip from the next chip. 2549 SpannableString displayText = 2550 new SpannableString(createAddressText( 2551 replacement.getEntry()).trim() 2552 + " "); 2553 displayText.setSpan(replacement, 0, 2554 displayText.length() - 1, 2555 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2556 // Replace the old text we found with with the new display 2557 // text, which now may also contain the display name of the 2558 // recipient. 2559 oldText.replace(start, end, displayText); 2560 replacement.setOriginalText(displayText.toString()); 2561 replacements.set(i, null); 2562 2563 recipients.set(i, replacement); 2564 } 2565 } 2566 } 2567 i++; 2568 } 2569 } 2570 }; 2571 2572 if (Looper.myLooper() == Looper.getMainLooper()) { 2573 runnable.run(); 2574 } else { 2575 mHandler.post(runnable); 2576 } 2577 } 2578 } 2579 } 2580 2581 private class IndividualReplacementTask 2582 extends AsyncTask<ArrayList<RecipientChip>, Void, Void> { 2583 @Override 2584 protected Void doInBackground(ArrayList<RecipientChip>... params) { 2585 // For each chip in the list, look up the matching contact. 2586 // If there is a match, replace that chip with the matching 2587 // chip. 2588 final ArrayList<RecipientChip> originalRecipients = params[0]; 2589 ArrayList<String> addresses = new ArrayList<String>(); 2590 RecipientChip chip; 2591 for (int i = 0; i < originalRecipients.size(); i++) { 2592 chip = originalRecipients.get(i); 2593 if (chip != null) { 2594 addresses.add(createAddressText(chip.getEntry())); 2595 } 2596 } 2597 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2598 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2599 new RecipientMatchCallback() { 2600 2601 @Override 2602 public void matchesFound(Map<String, RecipientEntry> entries) { 2603 for (final RecipientChip temp : originalRecipients) { 2604 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2605 .getContactId()) 2606 && getSpannable().getSpanStart(temp) != -1) { 2607 // Replace this. 2608 RecipientEntry entry = createValidatedEntry(entries 2609 .get(tokenizeAddress(temp.getEntry().getDestination()) 2610 .toLowerCase())); 2611 // If we don't have a validated contact 2612 // match, just use the 2613 // entry as it existed before. 2614 if (entry == null && !isPhoneQuery()) { 2615 entry = temp.getEntry(); 2616 } 2617 final RecipientEntry tempEntry = entry; 2618 if (tempEntry != null) { 2619 mHandler.post(new Runnable() { 2620 @Override 2621 public void run() { 2622 replaceChip(temp, tempEntry); 2623 } 2624 }); 2625 } 2626 } 2627 } 2628 } 2629 2630 @Override 2631 public void matchesNotFound(final Set<String> addresses) { 2632 // No action required 2633 } 2634 }); 2635 return null; 2636 } 2637 } 2638 2639 2640 /** 2641 * MoreImageSpan is a simple class created for tracking the existence of a 2642 * more chip across activity restarts/ 2643 */ 2644 private class MoreImageSpan extends ImageSpan { 2645 public MoreImageSpan(Drawable b) { 2646 super(b); 2647 } 2648 } 2649 2650 @Override 2651 public boolean onDown(MotionEvent e) { 2652 return false; 2653 } 2654 2655 @Override 2656 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2657 // Do nothing. 2658 return false; 2659 } 2660 2661 @Override 2662 public void onLongPress(MotionEvent event) { 2663 if (mSelectedChip != null) { 2664 return; 2665 } 2666 float x = event.getX(); 2667 float y = event.getY(); 2668 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2669 RecipientChip currentChip = findChip(offset); 2670 if (currentChip != null) { 2671 if (mDragEnabled) { 2672 // Start drag-and-drop for the selected chip. 2673 startDrag(currentChip); 2674 } else { 2675 // Copy the selected chip email address. 2676 showCopyDialog(currentChip.getEntry().getDestination()); 2677 } 2678 } 2679 } 2680 2681 /** 2682 * Enables drag-and-drop for chips. 2683 */ 2684 public void enableDrag() { 2685 mDragEnabled = true; 2686 } 2687 2688 /** 2689 * Starts drag-and-drop for the selected chip. 2690 */ 2691 private void startDrag(RecipientChip currentChip) { 2692 String address = currentChip.getEntry().getDestination(); 2693 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2694 2695 // Start drag mode. 2696 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2697 2698 // Remove the current chip, so drag-and-drop will result in a move. 2699 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2700 removeChip(currentChip); 2701 } 2702 2703 /** 2704 * Handles drag event. 2705 */ 2706 @Override 2707 public boolean onDragEvent(DragEvent event) { 2708 switch (event.getAction()) { 2709 case DragEvent.ACTION_DRAG_STARTED: 2710 // Only handle plain text drag and drop. 2711 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2712 case DragEvent.ACTION_DRAG_ENTERED: 2713 requestFocus(); 2714 return true; 2715 case DragEvent.ACTION_DROP: 2716 handlePasteClip(event.getClipData()); 2717 return true; 2718 } 2719 return false; 2720 } 2721 2722 /** 2723 * Drag shadow for a {@link RecipientChip}. 2724 */ 2725 private final class RecipientChipShadow extends DragShadowBuilder { 2726 private final RecipientChip mChip; 2727 2728 public RecipientChipShadow(RecipientChip chip) { 2729 mChip = chip; 2730 } 2731 2732 @Override 2733 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2734 Rect rect = mChip.getBounds(); 2735 shadowSize.set(rect.width(), rect.height()); 2736 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2737 } 2738 2739 @Override 2740 public void onDrawShadow(Canvas canvas) { 2741 mChip.draw(canvas); 2742 } 2743 } 2744 2745 private void showCopyDialog(final String address) { 2746 mCopyAddress = address; 2747 mCopyDialog.setTitle(address); 2748 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2749 mCopyDialog.setCancelable(true); 2750 mCopyDialog.setCanceledOnTouchOutside(true); 2751 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2752 button.setOnClickListener(this); 2753 int btnTitleId; 2754 if (isPhoneQuery()) { 2755 btnTitleId = R.string.copy_number; 2756 } else { 2757 btnTitleId = R.string.copy_email; 2758 } 2759 String buttonTitle = getContext().getResources().getString(btnTitleId); 2760 button.setText(buttonTitle); 2761 mCopyDialog.setOnDismissListener(this); 2762 mCopyDialog.show(); 2763 } 2764 2765 @Override 2766 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2767 // Do nothing. 2768 return false; 2769 } 2770 2771 @Override 2772 public void onShowPress(MotionEvent e) { 2773 // Do nothing. 2774 } 2775 2776 @Override 2777 public boolean onSingleTapUp(MotionEvent e) { 2778 // Do nothing. 2779 return false; 2780 } 2781 2782 @Override 2783 public void onDismiss(DialogInterface dialog) { 2784 mCopyAddress = null; 2785 } 2786 2787 @Override 2788 public void onClick(View v) { 2789 // Copy this to the clipboard. 2790 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2791 Context.CLIPBOARD_SERVICE); 2792 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2793 mCopyDialog.dismiss(); 2794 } 2795 2796 protected boolean isPhoneQuery() { 2797 return getAdapter() != null 2798 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2799 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2800 } 2801} 2802