RecipientEditTextView.java revision ad8781e6062f086aa4160eab2799b6848911aa3d
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 TAG = "RecipientEditTextView"; 115 116 private static int DISMISS = "dismiss".hashCode(); 117 118 private static final long DISMISS_DELAY = 300; 119 120 // TODO: get correct number/ algorithm from with UX. 121 // Visible for testing. 122 /*package*/ static final int CHIP_LIMIT = 2; 123 124 private static final int MAX_CHIPS_PARSED = 50; 125 126 private static int sSelectedTextColor = -1; 127 128 // Resources for displaying chips. 129 private Drawable mChipBackground = null; 130 131 private Drawable mChipDelete = null; 132 133 private Drawable mInvalidChipBackground; 134 135 private Drawable mChipBackgroundPressed; 136 137 private float mChipHeight; 138 139 private float mChipFontSize; 140 141 private float mLineSpacingExtra; 142 143 private int mChipPadding; 144 145 private Tokenizer mTokenizer; 146 147 private Validator mValidator; 148 149 private RecipientChip mSelectedChip; 150 151 private int mAlternatesLayout; 152 153 private Bitmap mDefaultContactPhoto; 154 155 private ImageSpan mMoreChip; 156 157 private TextView mMoreItem; 158 159 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 160 161 private Handler mHandler; 162 163 private int mPendingChipsCount = 0; 164 165 private boolean mNoChips = false; 166 167 private ListPopupWindow mAlternatesPopup; 168 169 private ListPopupWindow mAddressPopup; 170 171 private ArrayList<RecipientChip> mTemporaryRecipients; 172 173 private ArrayList<RecipientChip> mRemovedSpans; 174 175 private boolean mShouldShrink = true; 176 177 // Chip copy fields. 178 private GestureDetector mGestureDetector; 179 180 private Dialog mCopyDialog; 181 182 private String mCopyAddress; 183 184 /** 185 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 186 * selected chip. 187 */ 188 private OnItemClickListener mAlternatesListener; 189 190 private int mCheckedItem; 191 192 private TextWatcher mTextWatcher; 193 194 // Obtain the enclosing scroll view, if it exists, so that the view can be 195 // scrolled to show the last line of chips content. 196 private ScrollView mScrollView; 197 198 private boolean mTriedGettingScrollView; 199 200 private boolean mDragEnabled = false; 201 202 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 203 // parens, so numbers such as "1 (425) 222-2342" match. 204 private static final Pattern PHONE_PATTERN 205 = Pattern.compile( // sdd = space, dot, or dash 206 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 207 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 208 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 209 210 private final Runnable mAddTextWatcher = new Runnable() { 211 @Override 212 public void run() { 213 if (mTextWatcher == null) { 214 mTextWatcher = new RecipientTextWatcher(); 215 addTextChangedListener(mTextWatcher); 216 } 217 } 218 }; 219 220 private IndividualReplacementTask mIndividualReplacements; 221 222 private Runnable mHandlePendingChips = new Runnable() { 223 224 @Override 225 public void run() { 226 handlePendingChips(); 227 } 228 229 }; 230 231 private Runnable mDelayedShrink = new Runnable() { 232 233 @Override 234 public void run() { 235 shrink(); 236 } 237 238 }; 239 240 private int mMaxLines; 241 242 private static int sExcessTopPadding = -1; 243 244 private int mActionBarHeight; 245 246 public RecipientEditTextView(Context context, AttributeSet attrs) { 247 super(context, attrs); 248 setChipDimensions(context, attrs); 249 if (sSelectedTextColor == -1) { 250 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 251 } 252 mAlternatesPopup = new ListPopupWindow(context); 253 mAddressPopup = new ListPopupWindow(context); 254 mCopyDialog = new Dialog(context); 255 mAlternatesListener = new OnItemClickListener() { 256 @Override 257 public void onItemClick(AdapterView<?> adapterView,View view, int position, 258 long rowId) { 259 mAlternatesPopup.setOnItemClickListener(null); 260 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 261 .getRecipientEntry(position)); 262 Message delayed = Message.obtain(mHandler, DISMISS); 263 delayed.obj = mAlternatesPopup; 264 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 265 clearComposingText(); 266 } 267 }; 268 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 269 setOnItemClickListener(this); 270 setCustomSelectionActionModeCallback(this); 271 mHandler = new Handler() { 272 @Override 273 public void handleMessage(Message msg) { 274 if (msg.what == DISMISS) { 275 ((ListPopupWindow) msg.obj).dismiss(); 276 return; 277 } 278 super.handleMessage(msg); 279 } 280 }; 281 mTextWatcher = new RecipientTextWatcher(); 282 addTextChangedListener(mTextWatcher); 283 mGestureDetector = new GestureDetector(context, this); 284 setOnEditorActionListener(this); 285 } 286 287 @Override 288 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 289 if (action == EditorInfo.IME_ACTION_DONE) { 290 if (commitDefault()) { 291 return true; 292 } 293 if (mSelectedChip != null) { 294 clearSelectedChip(); 295 return true; 296 } else if (focusNext()) { 297 return true; 298 } 299 } 300 return false; 301 } 302 303 @Override 304 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 305 InputConnection connection = super.onCreateInputConnection(outAttrs); 306 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 307 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 308 // clear the existing action 309 outAttrs.imeOptions ^= imeActions; 310 // set the DONE action 311 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 312 } 313 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 314 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 315 } 316 317 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 318 outAttrs.actionLabel = getContext().getString(R.string.done); 319 return connection; 320 } 321 322 /*package*/ RecipientChip getLastChip() { 323 RecipientChip last = null; 324 RecipientChip[] chips = getSortedRecipients(); 325 if (chips != null && chips.length > 0) { 326 last = chips[chips.length - 1]; 327 } 328 return last; 329 } 330 331 @Override 332 public void onSelectionChanged(int start, int end) { 333 // When selection changes, see if it is inside the chips area. 334 // If so, move the cursor back after the chips again. 335 RecipientChip last = getLastChip(); 336 if (last != null && start < getSpannable().getSpanEnd(last)) { 337 // Grab the last chip and set the cursor to after it. 338 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 339 } 340 super.onSelectionChanged(start, end); 341 } 342 343 @Override 344 public void onRestoreInstanceState(Parcelable state) { 345 if (!TextUtils.isEmpty(getText())) { 346 super.onRestoreInstanceState(null); 347 } else { 348 super.onRestoreInstanceState(state); 349 } 350 } 351 352 @Override 353 public Parcelable onSaveInstanceState() { 354 // If the user changes orientation while they are editing, just roll back the selection. 355 clearSelectedChip(); 356 return super.onSaveInstanceState(); 357 } 358 359 /** 360 * Convenience method: Append the specified text slice to the TextView's 361 * display buffer, upgrading it to BufferType.EDITABLE if it was 362 * not already editable. Commas are excluded as they are added automatically 363 * by the view. 364 */ 365 @Override 366 public void append(CharSequence text, int start, int end) { 367 // We don't care about watching text changes while appending. 368 if (mTextWatcher != null) { 369 removeTextChangedListener(mTextWatcher); 370 } 371 super.append(text, start, end); 372 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 373 String displayString = text.toString(); 374 int separatorPos = displayString.lastIndexOf(COMMIT_CHAR_COMMA); 375 // Verify that the separator pos is not within ""; if it is, look 376 // past the closing quote. If there is no comma past ", this string 377 // will resolve to an error chip. 378 if (separatorPos > -1) { 379 String parseDisplayString = displayString.substring(separatorPos); 380 int endQuotedTextPos = parseDisplayString.indexOf(NAME_WRAPPER_CHAR); 381 if (endQuotedTextPos > separatorPos) { 382 separatorPos = parseDisplayString.lastIndexOf(COMMIT_CHAR_COMMA, 383 endQuotedTextPos); 384 } 385 } 386 if (!TextUtils.isEmpty(displayString) 387 && TextUtils.getTrimmedLength(displayString) > 0) { 388 mPendingChipsCount++; 389 mPendingChips.add(text.toString()); 390 } 391 } 392 // Put a message on the queue to make sure we ALWAYS handle pending 393 // chips. 394 if (mPendingChipsCount > 0) { 395 postHandlePendingChips(); 396 } 397 mHandler.post(mAddTextWatcher); 398 } 399 400 @Override 401 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 402 super.onFocusChanged(hasFocus, direction, previous); 403 if (!hasFocus) { 404 shrink(); 405 } else { 406 expand(); 407 } 408 } 409 410 @Override 411 public void performValidation() { 412 // Do nothing. Chips handles its own validation. 413 } 414 415 private void shrink() { 416 if (mTokenizer == null) { 417 return; 418 } 419 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 420 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 421 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 422 clearSelectedChip(); 423 } else { 424 if (getWidth() <= 0) { 425 // We don't have the width yet which means the view hasn't been drawn yet 426 // and there is no reason to attempt to commit chips yet. 427 // This focus lost must be the result of an orientation change 428 // or an initial rendering. 429 // Re-post the shrink for later. 430 mHandler.removeCallbacks(mDelayedShrink); 431 mHandler.post(mDelayedShrink); 432 return; 433 } 434 // Reset any pending chips as they would have been handled 435 // when the field lost focus. 436 if (mPendingChipsCount > 0) { 437 postHandlePendingChips(); 438 } else { 439 Editable editable = getText(); 440 int end = getSelectionEnd(); 441 int start = mTokenizer.findTokenStart(editable, end); 442 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 443 if ((chips == null || chips.length == 0)) { 444 Editable text = getText(); 445 int whatEnd = mTokenizer.findTokenEnd(text, start); 446 // This token was already tokenized, so skip past the ending token. 447 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 448 whatEnd = movePastTerminators(whatEnd); 449 } 450 // In the middle of chip; treat this as an edit 451 // and commit the whole token. 452 int selEnd = getSelectionEnd(); 453 if (whatEnd != selEnd) { 454 handleEdit(start, whatEnd); 455 } else { 456 commitChip(start, end, editable); 457 } 458 } 459 } 460 mHandler.post(mAddTextWatcher); 461 } 462 createMoreChip(); 463 } 464 465 private void expand() { 466 if (mShouldShrink) { 467 setMaxLines(Integer.MAX_VALUE); 468 } 469 removeMoreChip(); 470 setCursorVisible(true); 471 Editable text = getText(); 472 setSelection(text != null && text.length() > 0 ? text.length() : 0); 473 // If there are any temporary chips, try replacing them now that the user 474 // has expanded the field. 475 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 476 new RecipientReplacementTask().execute(); 477 mTemporaryRecipients = null; 478 } 479 } 480 481 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 482 paint.setTextSize(mChipFontSize); 483 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 484 Log.d(TAG, "Max width is negative: " + maxWidth); 485 } 486 return TextUtils.ellipsize(text, paint, maxWidth, 487 TextUtils.TruncateAt.END); 488 } 489 490 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 491 // Ellipsize the text so that it takes AT MOST the entire width of the 492 // autocomplete text entry area. Make sure to leave space for padding 493 // on the sides. 494 int height = (int) mChipHeight; 495 int deleteWidth = height; 496 float[] widths = new float[1]; 497 paint.getTextWidths(" ", widths); 498 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 499 calculateAvailableWidth(true) - deleteWidth - widths[0]); 500 501 // Make sure there is a minimum chip width so the user can ALWAYS 502 // tap a chip without difficulty. 503 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 504 ellipsizedText.length())) 505 + (mChipPadding * 2) + deleteWidth); 506 507 // Create the background of the chip. 508 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 509 Canvas canvas = new Canvas(tmpBitmap); 510 if (mChipBackgroundPressed != null) { 511 mChipBackgroundPressed.setBounds(0, 0, width, height); 512 mChipBackgroundPressed.draw(canvas); 513 paint.setColor(sSelectedTextColor); 514 // Vertically center the text in the chip. 515 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 516 getTextYOffset((String) ellipsizedText, paint, height), paint); 517 // Make the delete a square. 518 Rect backgroundPadding = new Rect(); 519 mChipBackgroundPressed.getPadding(backgroundPadding); 520 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 521 0 + backgroundPadding.top, 522 width - backgroundPadding.right, 523 height - backgroundPadding.bottom); 524 mChipDelete.draw(canvas); 525 } else { 526 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 527 } 528 return tmpBitmap; 529 } 530 531 532 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout, 533 boolean leaveBlankIconSpacer) { 534 // Ellipsize the text so that it takes AT MOST the entire width of the 535 // autocomplete text entry area. Make sure to leave space for padding 536 // on the sides. 537 int height = (int) mChipHeight; 538 int iconWidth = height; 539 float[] widths = new float[1]; 540 paint.getTextWidths(" ", widths); 541 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 542 calculateAvailableWidth(false) - iconWidth - widths[0]); 543 // Make sure there is a minimum chip width so the user can ALWAYS 544 // tap a chip without difficulty. 545 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 546 ellipsizedText.length())) 547 + (mChipPadding * 2) + iconWidth); 548 549 // Create the background of the chip. 550 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 551 Canvas canvas = new Canvas(tmpBitmap); 552 Drawable background = getChipBackground(contact); 553 if (background != null) { 554 background.setBounds(0, 0, width, height); 555 background.draw(canvas); 556 557 // Don't draw photos for recipients that have been typed in OR generated on the fly. 558 long contactId = contact.getContactId(); 559 boolean drawPhotos = isPhoneQuery() ? 560 contactId != RecipientEntry.INVALID_CONTACT 561 : (contactId != RecipientEntry.INVALID_CONTACT 562 && (contactId != RecipientEntry.GENERATED_CONTACT && 563 !TextUtils.isEmpty(contact.getDisplayName()))); 564 if (drawPhotos) { 565 byte[] photoBytes = contact.getPhotoBytes(); 566 // There may not be a photo yet if anything but the first contact address 567 // was selected. 568 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 569 // TODO: cache this in the recipient entry? 570 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 571 .getPhotoThumbnailUri()); 572 photoBytes = contact.getPhotoBytes(); 573 } 574 575 Bitmap photo; 576 if (photoBytes != null) { 577 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 578 } else { 579 // TODO: can the scaled down default photo be cached? 580 photo = mDefaultContactPhoto; 581 } 582 // Draw the photo on the left side. 583 if (photo != null) { 584 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 585 Rect backgroundPadding = new Rect(); 586 mChipBackground.getPadding(backgroundPadding); 587 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 588 0 + backgroundPadding.top, 589 width - backgroundPadding.right, 590 height - backgroundPadding.bottom); 591 Matrix matrix = new Matrix(); 592 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 593 canvas.drawBitmap(photo, matrix, paint); 594 } 595 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 596 iconWidth = 0; 597 } 598 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 599 // Vertically center the text in the chip. 600 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 601 getTextYOffset((String)ellipsizedText, paint, height), paint); 602 } else { 603 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 604 } 605 return tmpBitmap; 606 } 607 608 /** 609 * Get the background drawable for a RecipientChip. 610 */ 611 // Visible for testing. 612 /* package */Drawable getChipBackground(RecipientEntry contact) { 613 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 614 } 615 616 private float getTextYOffset(String text, TextPaint paint, int height) { 617 Rect bounds = new Rect(); 618 paint.getTextBounds(text, 0, text.length(), bounds); 619 int textHeight = bounds.bottom - bounds.top ; 620 return height - ((height - textHeight) / 2) - (int)paint.descent(); 621 } 622 623 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed, 624 boolean leaveIconSpace) throws NullPointerException { 625 if (mChipBackground == null) { 626 throw new NullPointerException( 627 "Unable to render any chips as setChipDimensions was not called."); 628 } 629 Layout layout = getLayout(); 630 631 TextPaint paint = getPaint(); 632 float defaultSize = paint.getTextSize(); 633 int defaultColor = paint.getColor(); 634 635 Bitmap tmpBitmap; 636 if (pressed) { 637 tmpBitmap = createSelectedChip(contact, paint, layout); 638 639 } else { 640 tmpBitmap = createUnselectedChip(contact, paint, layout, leaveIconSpace); 641 } 642 643 // Pass the full text, un-ellipsized, to the chip. 644 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 645 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 646 RecipientChip recipientChip = new VisibleRecipientChip(result, contact, offset); 647 // Return text to the original size. 648 paint.setTextSize(defaultSize); 649 paint.setColor(defaultColor); 650 return recipientChip; 651 } 652 653 /** 654 * Calculate the bottom of the line the chip will be located on using: 655 * 1) which line the chip appears on 656 * 2) the height of a chip 657 * 3) padding built into the edit text view 658 */ 659 private int calculateOffsetFromBottom(int line) { 660 // Line offsets start at zero. 661 int actualLine = getLineCount() - (line + 1); 662 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 663 + getDropDownVerticalOffset(); 664 } 665 666 /** 667 * Get the max amount of space a chip can take up. The formula takes into 668 * account the width of the EditTextView, any view padding, and padding 669 * that will be added to the chip. 670 */ 671 private float calculateAvailableWidth(boolean pressed) { 672 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 673 } 674 675 676 private void setChipDimensions(Context context, AttributeSet attrs) { 677 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 678 0); 679 Resources r = getContext().getResources(); 680 681 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 682 if (mChipBackground == null) { 683 mChipBackground = r.getDrawable(R.drawable.chip_background); 684 } 685 mChipBackgroundPressed = a 686 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 687 if (mChipBackgroundPressed == null) { 688 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 689 } 690 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 691 if (mChipDelete == null) { 692 mChipDelete = r.getDrawable(R.drawable.chip_delete); 693 } 694 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 695 if (mChipPadding == -1) { 696 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 697 } 698 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 699 -1); 700 if (mAlternatesLayout == -1) { 701 mAlternatesLayout = R.layout.chips_alternate_item; 702 } 703 704 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 705 706 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 707 708 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 709 if (mChipHeight == -1) { 710 mChipHeight = r.getDimension(R.dimen.chip_height); 711 } 712 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 713 if (mChipFontSize == -1) { 714 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 715 } 716 mInvalidChipBackground = a 717 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 718 if (mInvalidChipBackground == null) { 719 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 720 } 721 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 722 mMaxLines = r.getInteger(R.integer.chips_max_lines); 723 TypedValue tv = new TypedValue(); 724 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 725 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 726 .getDisplayMetrics()); 727 } 728 a.recycle(); 729 } 730 731 // Visible for testing. 732 /* package */ void setMoreItem(TextView moreItem) { 733 mMoreItem = moreItem; 734 } 735 736 737 // Visible for testing. 738 /* package */ void setChipBackground(Drawable chipBackground) { 739 mChipBackground = chipBackground; 740 } 741 742 // Visible for testing. 743 /* package */ void setChipHeight(int height) { 744 mChipHeight = height; 745 } 746 747 /** 748 * Set whether to shrink the recipients field such that at most 749 * one line of recipients chips are shown when the field loses 750 * focus. By default, the number of displayed recipients will be 751 * limited and a "more" chip will be shown when focus is lost. 752 * @param shrink 753 */ 754 public void setOnFocusListShrinkRecipients(boolean shrink) { 755 mShouldShrink = shrink; 756 } 757 758 @Override 759 public void onSizeChanged(int width, int height, int oldw, int oldh) { 760 super.onSizeChanged(width, height, oldw, oldh); 761 if (width != 0 && height != 0) { 762 if (mPendingChipsCount > 0) { 763 postHandlePendingChips(); 764 } else { 765 checkChipWidths(); 766 } 767 } 768 // Try to find the scroll view parent, if it exists. 769 if (mScrollView == null && !mTriedGettingScrollView) { 770 ViewParent parent = getParent(); 771 while (parent != null && !(parent instanceof ScrollView)) { 772 parent = parent.getParent(); 773 } 774 if (parent != null) { 775 mScrollView = (ScrollView) parent; 776 } 777 mTriedGettingScrollView = true; 778 } 779 } 780 781 private void postHandlePendingChips() { 782 mHandler.removeCallbacks(mHandlePendingChips); 783 mHandler.post(mHandlePendingChips); 784 } 785 786 private void checkChipWidths() { 787 // Check the widths of the associated chips. 788 RecipientChip[] chips = getSortedRecipients(); 789 if (chips != null) { 790 Rect bounds; 791 for (RecipientChip chip : chips) { 792 bounds = chip.getBounds(); 793 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 794 // Need to redraw that chip. 795 replaceChip(chip, chip.getEntry()); 796 } 797 } 798 } 799 } 800 801 // Visible for testing. 802 /*package*/ void handlePendingChips() { 803 if (getViewWidth() <= 0) { 804 // The widget has not been sized yet. 805 // This will be called as a result of onSizeChanged 806 // at a later point. 807 return; 808 } 809 if (mPendingChipsCount <= 0) { 810 return; 811 } 812 813 synchronized (mPendingChips) { 814 Editable editable = getText(); 815 // Tokenize! 816 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 817 for (int i = 0; i < mPendingChips.size(); i++) { 818 String current = mPendingChips.get(i); 819 int tokenStart = editable.toString().indexOf(current); 820 // Always leave a space at the end between tokens. 821 int tokenEnd = tokenStart + current.length() - 1; 822 if (tokenStart >= 0) { 823 // When we have a valid token, include it with the token 824 // to the left. 825 if (tokenEnd < editable.length() - 2 826 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 827 tokenEnd++; 828 } 829 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 830 || !mShouldShrink); 831 } 832 mPendingChipsCount--; 833 } 834 sanitizeEnd(); 835 } else { 836 mNoChips = true; 837 } 838 839 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 840 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 841 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 842 new RecipientReplacementTask().execute(); 843 mTemporaryRecipients = null; 844 } else { 845 // Create the "more" chip 846 mIndividualReplacements = new IndividualReplacementTask(); 847 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 848 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 849 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 850 mTemporaryRecipients = new ArrayList<RecipientChip>( 851 mTemporaryRecipients.subList(CHIP_LIMIT, 852 mTemporaryRecipients.size())); 853 } else { 854 mTemporaryRecipients = null; 855 } 856 createMoreChip(); 857 } 858 } else { 859 // There are too many recipients to look up, so just fall back 860 // to showing addresses for all of them. 861 mTemporaryRecipients = null; 862 createMoreChip(); 863 } 864 mPendingChipsCount = 0; 865 mPendingChips.clear(); 866 } 867 } 868 869 // Visible for testing. 870 /*package*/ int getViewWidth() { 871 return getWidth(); 872 } 873 874 /** 875 * Remove any characters after the last valid chip. 876 */ 877 // Visible for testing. 878 /*package*/ void sanitizeEnd() { 879 // Don't sanitize while we are waiting for pending chips to complete. 880 if (mPendingChipsCount > 0) { 881 return; 882 } 883 // Find the last chip; eliminate any commit characters after it. 884 RecipientChip[] chips = getSortedRecipients(); 885 Spannable spannable = getSpannable(); 886 if (chips != null && chips.length > 0) { 887 int end; 888 mMoreChip = getMoreChip(); 889 if (mMoreChip != null) { 890 end = spannable.getSpanEnd(mMoreChip); 891 } else { 892 end = getSpannable().getSpanEnd(getLastChip()); 893 } 894 Editable editable = getText(); 895 int length = editable.length(); 896 if (length > end) { 897 // See what characters occur after that and eliminate them. 898 if (Log.isLoggable(TAG, Log.DEBUG)) { 899 Log.d(TAG, "There were extra characters after the last tokenizable entry." 900 + editable); 901 } 902 editable.delete(end + 1, length); 903 } 904 } 905 } 906 907 /** 908 * Create a chip that represents just the email address of a recipient. At some later 909 * point, this chip will be attached to a real contact entry, if one exists. 910 */ 911 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 912 boolean visible) { 913 if (alreadyHasChip(tokenStart, tokenEnd)) { 914 // There is already a chip present at this location. 915 // Don't recreate it. 916 return; 917 } 918 String token = editable.toString().substring(tokenStart, tokenEnd); 919 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 920 if (commitCharIndex == token.length() - 1) { 921 token = token.substring(0, token.length() - 1); 922 } 923 RecipientEntry entry = createTokenizedEntry(token); 924 if (entry != null) { 925 String destText = createAddressText(entry); 926 SpannableString chipText = new SpannableString(destText); 927 RecipientChip chip = null; 928 try { 929 if (!mNoChips) { 930 /* 931 * leave space for the contact icon if this is not just an 932 * email address 933 */ 934 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 935 || TextUtils.equals(entry.getDisplayName(), 936 entry.getDestination()); 937 chip = visible ? 938 constructChipSpan(entry, tokenStart, false, leaveSpace) 939 : new InvisibleRecipientChip(entry, commitCharIndex); 940 } 941 } catch (NullPointerException e) { 942 Log.e(TAG, e.getMessage(), e); 943 } 944 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 945 // Add this chip to the list of entries "to replace" 946 if (chip != null) { 947 if (mTemporaryRecipients == null) { 948 mTemporaryRecipients = new ArrayList<RecipientChip>(); 949 } 950 chip.setOriginalText(chipText.toString()); 951 mTemporaryRecipients.add(chip); 952 } 953 } 954 } 955 956 private static boolean isPhoneNumber(String number) { 957 // TODO: replace this function with libphonenumber's isPossibleNumber (see 958 // PhoneNumberUtil). One complication is that it requires the sender's region which 959 // comes from the CurrentCountryIso. For now, let's just do this simple match. 960 if (TextUtils.isEmpty(number)) { 961 return false; 962 } 963 964 Matcher match = PHONE_PATTERN.matcher(number); 965 return match.matches(); 966 } 967 968 private RecipientEntry createTokenizedEntry(String token) { 969 if (TextUtils.isEmpty(token)) { 970 return null; 971 } 972 if (isPhoneQuery() && isPhoneNumber(token)) { 973 return RecipientEntry.constructFakeEntry(token, true); 974 } 975 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 976 String display = null; 977 boolean isValid = isValid(token); 978 if (isValid && tokens != null && tokens.length > 0) { 979 // If we can get a name from tokenizing, then generate an entry from 980 // this. 981 display = tokens[0].getName(); 982 if (!TextUtils.isEmpty(display)) { 983 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 984 isValid); 985 } else { 986 display = tokens[0].getAddress(); 987 if (!TextUtils.isEmpty(display)) { 988 return RecipientEntry.constructFakeEntry(display, isValid); 989 } 990 } 991 } 992 // Unable to validate the token or to create a valid token from it. 993 // Just create a chip the user can edit. 994 String validatedToken = null; 995 if (mValidator != null && !isValid) { 996 // Try fixing up the entry using the validator. 997 validatedToken = mValidator.fixText(token).toString(); 998 if (!TextUtils.isEmpty(validatedToken)) { 999 if (validatedToken.contains(token)) { 1000 // protect against the case of a validator with a null 1001 // domain, 1002 // which doesn't add a domain to the token 1003 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1004 if (tokenized.length > 0) { 1005 validatedToken = tokenized[0].getAddress(); 1006 isValid = true; 1007 } 1008 } else { 1009 // We ran into a case where the token was invalid and 1010 // removed 1011 // by the validator. In this case, just use the original 1012 // token 1013 // and let the user sort out the error chip. 1014 validatedToken = null; 1015 isValid = false; 1016 } 1017 } 1018 } 1019 // Otherwise, fallback to just creating an editable email address chip. 1020 return RecipientEntry.constructFakeEntry( 1021 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1022 } 1023 1024 private boolean isValid(String text) { 1025 return mValidator == null ? true : mValidator.isValid(text); 1026 } 1027 1028 private String tokenizeAddress(String destination) { 1029 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1030 if (tokens != null && tokens.length > 0) { 1031 return tokens[0].getAddress(); 1032 } 1033 return destination; 1034 } 1035 1036 @Override 1037 public void setTokenizer(Tokenizer tokenizer) { 1038 mTokenizer = tokenizer; 1039 super.setTokenizer(mTokenizer); 1040 } 1041 1042 @Override 1043 public void setValidator(Validator validator) { 1044 mValidator = validator; 1045 super.setValidator(validator); 1046 } 1047 1048 /** 1049 * We cannot use the default mechanism for replaceText. Instead, 1050 * we override onItemClickListener so we can get all the associated 1051 * contact information including display text, address, and id. 1052 */ 1053 @Override 1054 protected void replaceText(CharSequence text) { 1055 return; 1056 } 1057 1058 /** 1059 * Dismiss any selected chips when the back key is pressed. 1060 */ 1061 @Override 1062 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1063 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1064 clearSelectedChip(); 1065 return true; 1066 } 1067 return super.onKeyPreIme(keyCode, event); 1068 } 1069 1070 /** 1071 * Monitor key presses in this view to see if the user types 1072 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1073 * If the user has entered text that has contact matches and types 1074 * a commit key, create a chip from the topmost matching contact. 1075 * If the user has entered text that has no contact matches and types 1076 * a commit key, then create a chip from the text they have entered. 1077 */ 1078 @Override 1079 public boolean onKeyUp(int keyCode, KeyEvent event) { 1080 switch (keyCode) { 1081 case KeyEvent.KEYCODE_ENTER: 1082 case KeyEvent.KEYCODE_DPAD_CENTER: 1083 if (event.hasNoModifiers()) { 1084 if (commitDefault()) { 1085 return true; 1086 } 1087 if (mSelectedChip != null) { 1088 clearSelectedChip(); 1089 return true; 1090 } else if (focusNext()) { 1091 return true; 1092 } 1093 } 1094 break; 1095 case KeyEvent.KEYCODE_TAB: 1096 if (event.hasNoModifiers()) { 1097 if (mSelectedChip != null) { 1098 clearSelectedChip(); 1099 } else { 1100 commitDefault(); 1101 } 1102 if (focusNext()) { 1103 return true; 1104 } 1105 } 1106 break; 1107 } 1108 return super.onKeyUp(keyCode, event); 1109 } 1110 1111 private boolean focusNext() { 1112 View next = focusSearch(View.FOCUS_DOWN); 1113 if (next != null) { 1114 next.requestFocus(); 1115 return true; 1116 } 1117 return false; 1118 } 1119 1120 /** 1121 * Create a chip from the default selection. If the popup is showing, the 1122 * default is the first item in the popup suggestions list. Otherwise, it is 1123 * whatever the user had typed in. End represents where the the tokenizer 1124 * should search for a token to turn into a chip. 1125 * @return If a chip was created from a real contact. 1126 */ 1127 private boolean commitDefault() { 1128 // If there is no tokenizer, don't try to commit. 1129 if (mTokenizer == null) { 1130 return false; 1131 } 1132 Editable editable = getText(); 1133 int end = getSelectionEnd(); 1134 int start = mTokenizer.findTokenStart(editable, end); 1135 1136 if (shouldCreateChip(start, end)) { 1137 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1138 // In the middle of chip; treat this as an edit 1139 // and commit the whole token. 1140 whatEnd = movePastTerminators(whatEnd); 1141 if (whatEnd != getSelectionEnd()) { 1142 handleEdit(start, whatEnd); 1143 return true; 1144 } 1145 return commitChip(start, end , editable); 1146 } 1147 return false; 1148 } 1149 1150 private void commitByCharacter() { 1151 // We can't possibly commit by character if we can't tokenize. 1152 if (mTokenizer == null) { 1153 return; 1154 } 1155 Editable editable = getText(); 1156 int end = getSelectionEnd(); 1157 int start = mTokenizer.findTokenStart(editable, end); 1158 if (shouldCreateChip(start, end)) { 1159 commitChip(start, end, editable); 1160 } 1161 setSelection(getText().length()); 1162 } 1163 1164 private boolean commitChip(int start, int end, Editable editable) { 1165 ListAdapter adapter = getAdapter(); 1166 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1167 && end == getSelectionEnd() && !isPhoneQuery()) { 1168 // choose the first entry. 1169 submitItemAtPosition(0); 1170 dismissDropDown(); 1171 return true; 1172 } else { 1173 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1174 if (editable.length() > tokenEnd + 1) { 1175 char charAt = editable.charAt(tokenEnd + 1); 1176 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1177 tokenEnd++; 1178 } 1179 } 1180 String text = editable.toString().substring(start, tokenEnd).trim(); 1181 clearComposingText(); 1182 if (text != null && text.length() > 0 && !text.equals(" ")) { 1183 RecipientEntry entry = createTokenizedEntry(text); 1184 if (entry != null) { 1185 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1186 CharSequence chipText = createChip(entry, false); 1187 if (chipText != null && start > -1 && end > -1) { 1188 editable.replace(start, end, chipText); 1189 } 1190 } 1191 // Only dismiss the dropdown if it is related to the text we 1192 // just committed. 1193 // For paste, it may not be as there are possibly multiple 1194 // tokens being added. 1195 if (end == getSelectionEnd()) { 1196 dismissDropDown(); 1197 } 1198 sanitizeBetween(); 1199 return true; 1200 } 1201 } 1202 return false; 1203 } 1204 1205 // Visible for testing. 1206 /* package */ void sanitizeBetween() { 1207 // Don't sanitize while we are waiting for content to chipify. 1208 if (mPendingChipsCount > 0) { 1209 return; 1210 } 1211 // Find the last chip. 1212 RecipientChip[] recips = getSortedRecipients(); 1213 if (recips != null && recips.length > 0) { 1214 RecipientChip last = recips[recips.length - 1]; 1215 RecipientChip beforeLast = null; 1216 if (recips.length > 1) { 1217 beforeLast = recips[recips.length - 2]; 1218 } 1219 int startLooking = 0; 1220 int end = getSpannable().getSpanStart(last); 1221 if (beforeLast != null) { 1222 startLooking = getSpannable().getSpanEnd(beforeLast); 1223 Editable text = getText(); 1224 if (startLooking == -1 || startLooking > text.length() - 1) { 1225 // There is nothing after this chip. 1226 return; 1227 } 1228 if (text.charAt(startLooking) == ' ') { 1229 startLooking++; 1230 } 1231 } 1232 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1233 getText().delete(startLooking, end); 1234 } 1235 } 1236 } 1237 1238 private boolean shouldCreateChip(int start, int end) { 1239 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1240 } 1241 1242 private boolean alreadyHasChip(int start, int end) { 1243 if (mNoChips) { 1244 return true; 1245 } 1246 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1247 if ((chips == null || chips.length == 0)) { 1248 return false; 1249 } 1250 return true; 1251 } 1252 1253 private void handleEdit(int start, int end) { 1254 if (start == -1 || end == -1) { 1255 // This chip no longer exists in the field. 1256 dismissDropDown(); 1257 return; 1258 } 1259 // This is in the middle of a chip, so select out the whole chip 1260 // and commit it. 1261 Editable editable = getText(); 1262 setSelection(end); 1263 String text = getText().toString().substring(start, end); 1264 if (!TextUtils.isEmpty(text)) { 1265 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1266 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1267 CharSequence chipText = createChip(entry, false); 1268 int selEnd = getSelectionEnd(); 1269 if (chipText != null && start > -1 && selEnd > -1) { 1270 editable.replace(start, selEnd, chipText); 1271 } 1272 } 1273 dismissDropDown(); 1274 } 1275 1276 /** 1277 * If there is a selected chip, delegate the key events 1278 * to the selected chip. 1279 */ 1280 @Override 1281 public boolean onKeyDown(int keyCode, KeyEvent event) { 1282 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1283 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1284 mAlternatesPopup.dismiss(); 1285 } 1286 removeChip(mSelectedChip); 1287 } 1288 1289 return super.onKeyDown(keyCode, event); 1290 } 1291 1292 // Visible for testing. 1293 /* package */ Spannable getSpannable() { 1294 return getText(); 1295 } 1296 1297 private int getChipStart(RecipientChip chip) { 1298 return getSpannable().getSpanStart(chip); 1299 } 1300 1301 private int getChipEnd(RecipientChip chip) { 1302 return getSpannable().getSpanEnd(chip); 1303 } 1304 1305 /** 1306 * Instead of filtering on the entire contents of the edit box, 1307 * this subclass method filters on the range from 1308 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1309 * if the length of that range meets or exceeds {@link #getThreshold} 1310 * and makes sure that the range is not already a Chip. 1311 */ 1312 @Override 1313 protected void performFiltering(CharSequence text, int keyCode) { 1314 boolean isCompletedToken = isCompletedToken(text); 1315 if (enoughToFilter() && !isCompletedToken) { 1316 int end = getSelectionEnd(); 1317 int start = mTokenizer.findTokenStart(text, end); 1318 // If this is a RecipientChip, don't filter 1319 // on its contents. 1320 Spannable span = getSpannable(); 1321 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1322 if (chips != null && chips.length > 0) { 1323 return; 1324 } 1325 } else if (isCompletedToken) { 1326 return; 1327 } 1328 super.performFiltering(text, keyCode); 1329 } 1330 1331 // Visible for testing. 1332 /*package*/ boolean isCompletedToken(CharSequence text) { 1333 if (TextUtils.isEmpty(text)) { 1334 return false; 1335 } 1336 // Check to see if this is a completed token before filtering. 1337 int end = text.length(); 1338 int start = mTokenizer.findTokenStart(text, end); 1339 String token = text.toString().substring(start, end).trim(); 1340 if (!TextUtils.isEmpty(token)) { 1341 char atEnd = token.charAt(token.length() - 1); 1342 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1343 } 1344 return false; 1345 } 1346 1347 private void clearSelectedChip() { 1348 if (mSelectedChip != null) { 1349 unselectChip(mSelectedChip); 1350 mSelectedChip = null; 1351 } 1352 setCursorVisible(true); 1353 } 1354 1355 /** 1356 * Monitor touch events in the RecipientEditTextView. 1357 * If the view does not have focus, any tap on the view 1358 * will just focus the view. If the view has focus, determine 1359 * if the touch target is a recipient chip. If it is and the chip 1360 * is not selected, select it and clear any other selected chips. 1361 * If it isn't, then select that chip. 1362 */ 1363 @Override 1364 public boolean onTouchEvent(MotionEvent event) { 1365 if (!isFocused()) { 1366 // Ignore any chip taps until this view is focused. 1367 return super.onTouchEvent(event); 1368 } 1369 boolean handled = super.onTouchEvent(event); 1370 int action = event.getAction(); 1371 boolean chipWasSelected = false; 1372 if (mSelectedChip == null) { 1373 mGestureDetector.onTouchEvent(event); 1374 } 1375 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1376 float x = event.getX(); 1377 float y = event.getY(); 1378 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1379 RecipientChip currentChip = findChip(offset); 1380 if (currentChip != null) { 1381 if (action == MotionEvent.ACTION_UP) { 1382 if (mSelectedChip != null && mSelectedChip != currentChip) { 1383 clearSelectedChip(); 1384 mSelectedChip = selectChip(currentChip); 1385 } else if (mSelectedChip == null) { 1386 setSelection(getText().length()); 1387 commitDefault(); 1388 mSelectedChip = selectChip(currentChip); 1389 } else { 1390 onClick(mSelectedChip, offset, x, y); 1391 } 1392 } 1393 chipWasSelected = true; 1394 handled = true; 1395 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1396 chipWasSelected = true; 1397 } 1398 } 1399 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1400 clearSelectedChip(); 1401 } 1402 return handled; 1403 } 1404 1405 private void scrollLineIntoView(int line) { 1406 if (mScrollView != null) { 1407 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1408 } 1409 } 1410 1411 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1412 int width, Context context) { 1413 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1414 int bottom; 1415 if (line == getLineCount() -1) { 1416 bottom = 0; 1417 } else { 1418 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1419 - line))); 1420 } 1421 // Align the alternates popup with the left side of the View, 1422 // regardless of the position of the chip tapped. 1423 alternatesPopup.setWidth(width); 1424 alternatesPopup.setAnchorView(this); 1425 alternatesPopup.setVerticalOffset(bottom); 1426 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1427 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1428 // Clear the checked item. 1429 mCheckedItem = -1; 1430 alternatesPopup.show(); 1431 ListView listView = alternatesPopup.getListView(); 1432 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1433 // Checked item would be -1 if the adapter has not 1434 // loaded the view that should be checked yet. The 1435 // variable will be set correctly when onCheckedItemChanged 1436 // is called in a separate thread. 1437 if (mCheckedItem != -1) { 1438 listView.setItemChecked(mCheckedItem, true); 1439 mCheckedItem = -1; 1440 } 1441 } 1442 1443 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1444 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1445 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1446 } 1447 1448 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1449 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1450 .getEntry()); 1451 } 1452 1453 @Override 1454 public void onCheckedItemChanged(int position) { 1455 ListView listView = mAlternatesPopup.getListView(); 1456 if (listView != null && listView.getCheckedItemCount() == 0) { 1457 listView.setItemChecked(position, true); 1458 } 1459 mCheckedItem = position; 1460 } 1461 1462 // TODO: This algorithm will need a lot of tweaking after more people have used 1463 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1464 // what comes before the finger. 1465 private int putOffsetInRange(int o) { 1466 int offset = o; 1467 Editable text = getText(); 1468 int length = text.length(); 1469 // Remove whitespace from end to find "real end" 1470 int realLength = length; 1471 for (int i = length - 1; i >= 0; i--) { 1472 if (text.charAt(i) == ' ') { 1473 realLength--; 1474 } else { 1475 break; 1476 } 1477 } 1478 1479 // If the offset is beyond or at the end of the text, 1480 // leave it alone. 1481 if (offset >= realLength) { 1482 return offset; 1483 } 1484 Editable editable = getText(); 1485 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1486 // Keep walking backward! 1487 offset--; 1488 } 1489 return offset; 1490 } 1491 1492 private int findText(Editable text, int offset) { 1493 if (text.charAt(offset) != ' ') { 1494 return offset; 1495 } 1496 return -1; 1497 } 1498 1499 private RecipientChip findChip(int offset) { 1500 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1501 // Find the chip that contains this offset. 1502 for (int i = 0; i < chips.length; i++) { 1503 RecipientChip chip = chips[i]; 1504 int start = getChipStart(chip); 1505 int end = getChipEnd(chip); 1506 if (offset >= start && offset <= end) { 1507 return chip; 1508 } 1509 } 1510 return null; 1511 } 1512 1513 // Visible for testing. 1514 // Use this method to generate text to add to the list of addresses. 1515 /* package */String createAddressText(RecipientEntry entry) { 1516 String display = entry.getDisplayName(); 1517 String address = entry.getDestination(); 1518 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1519 display = null; 1520 } 1521 String trimmedDisplayText; 1522 if (isPhoneQuery() && isPhoneNumber(address)) { 1523 trimmedDisplayText = address.trim(); 1524 } else { 1525 if (address != null) { 1526 // Tokenize out the address in case the address already 1527 // contained the username as well. 1528 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1529 if (tokenized != null && tokenized.length > 0) { 1530 address = tokenized[0].getAddress(); 1531 } 1532 } 1533 Rfc822Token token = new Rfc822Token(display, address, null); 1534 trimmedDisplayText = token.toString().trim(); 1535 } 1536 int index = trimmedDisplayText.indexOf(","); 1537 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1538 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1539 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1540 } 1541 1542 // Visible for testing. 1543 // Use this method to generate text to display in a chip. 1544 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1545 String display = entry.getDisplayName(); 1546 String address = entry.getDestination(); 1547 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1548 display = null; 1549 } 1550 if (!TextUtils.isEmpty(display)) { 1551 return display; 1552 } else if (!TextUtils.isEmpty(address)){ 1553 return address; 1554 } else { 1555 return new Rfc822Token(display, address, null).toString(); 1556 } 1557 } 1558 1559 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1560 String displayText = createAddressText(entry); 1561 if (TextUtils.isEmpty(displayText)) { 1562 return null; 1563 } 1564 SpannableString chipText = null; 1565 // Always leave a blank space at the end of a chip. 1566 int end = getSelectionEnd(); 1567 int start = mTokenizer.findTokenStart(getText(), end); 1568 int textLength = displayText.length()-1; 1569 chipText = new SpannableString(displayText); 1570 if (!mNoChips) { 1571 try { 1572 RecipientChip chip = constructChipSpan(entry, start, pressed, 1573 false /* leave space for contact icon */); 1574 chipText.setSpan(chip, 0, textLength, 1575 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1576 chip.setOriginalText(chipText.toString()); 1577 } catch (NullPointerException e) { 1578 Log.e(TAG, e.getMessage(), e); 1579 return null; 1580 } 1581 } 1582 return chipText; 1583 } 1584 1585 /** 1586 * When an item in the suggestions list has been clicked, create a chip from the 1587 * contact information of the selected item. 1588 */ 1589 @Override 1590 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1591 submitItemAtPosition(position); 1592 } 1593 1594 private void submitItemAtPosition(int position) { 1595 RecipientEntry entry = createValidatedEntry( 1596 (RecipientEntry)getAdapter().getItem(position)); 1597 if (entry == null) { 1598 return; 1599 } 1600 clearComposingText(); 1601 1602 int end = getSelectionEnd(); 1603 int start = mTokenizer.findTokenStart(getText(), end); 1604 1605 Editable editable = getText(); 1606 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1607 CharSequence chip = createChip(entry, false); 1608 if (chip != null && start >= 0 && end >= 0) { 1609 editable.replace(start, end, chip); 1610 } 1611 sanitizeBetween(); 1612 } 1613 1614 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1615 if (item == null) { 1616 return null; 1617 } 1618 final RecipientEntry entry; 1619 // If the display name and the address are the same, or if this is a 1620 // valid contact, but the destination is invalid, then make this a fake 1621 // recipient that is editable. 1622 String destination = item.getDestination(); 1623 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1624 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1625 destination, item.isValid()); 1626 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1627 && (TextUtils.isEmpty(item.getDisplayName()) 1628 || TextUtils.equals(item.getDisplayName(), destination) 1629 || (mValidator != null && !mValidator.isValid(destination)))) { 1630 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1631 } else { 1632 entry = item; 1633 } 1634 return entry; 1635 } 1636 1637 /** Returns a collection of contact Id for each chip inside this View. */ 1638 /* package */ Collection<Long> getContactIds() { 1639 final Set<Long> result = new HashSet<Long>(); 1640 RecipientChip[] chips = getSortedRecipients(); 1641 if (chips != null) { 1642 for (RecipientChip chip : chips) { 1643 result.add(chip.getContactId()); 1644 } 1645 } 1646 return result; 1647 } 1648 1649 1650 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1651 /* package */ Collection<Long> getDataIds() { 1652 final Set<Long> result = new HashSet<Long>(); 1653 RecipientChip [] chips = getSortedRecipients(); 1654 if (chips != null) { 1655 for (RecipientChip chip : chips) { 1656 result.add(chip.getDataId()); 1657 } 1658 } 1659 return result; 1660 } 1661 1662 // Visible for testing. 1663 /* package */RecipientChip[] getSortedRecipients() { 1664 RecipientChip[] recips = getSpannable() 1665 .getSpans(0, getText().length(), RecipientChip.class); 1666 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1667 .asList(recips)); 1668 final Spannable spannable = getSpannable(); 1669 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1670 1671 @Override 1672 public int compare(RecipientChip first, RecipientChip second) { 1673 int firstStart = spannable.getSpanStart(first); 1674 int secondStart = spannable.getSpanStart(second); 1675 if (firstStart < secondStart) { 1676 return -1; 1677 } else if (firstStart > secondStart) { 1678 return 1; 1679 } else { 1680 return 0; 1681 } 1682 } 1683 }); 1684 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1685 } 1686 1687 @Override 1688 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1689 return false; 1690 } 1691 1692 @Override 1693 public void onDestroyActionMode(ActionMode mode) { 1694 } 1695 1696 @Override 1697 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1698 return false; 1699 } 1700 1701 /** 1702 * No chips are selectable. 1703 */ 1704 @Override 1705 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1706 return false; 1707 } 1708 1709 // Visible for testing. 1710 /* package */ImageSpan getMoreChip() { 1711 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1712 MoreImageSpan.class); 1713 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1714 } 1715 1716 private MoreImageSpan createMoreSpan(int count) { 1717 String moreText = String.format(mMoreItem.getText().toString(), count); 1718 TextPaint morePaint = new TextPaint(getPaint()); 1719 morePaint.setTextSize(mMoreItem.getTextSize()); 1720 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1721 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1722 + mMoreItem.getPaddingRight(); 1723 int height = getLineHeight(); 1724 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1725 Canvas canvas = new Canvas(drawable); 1726 int adjustedHeight = height; 1727 Layout layout = getLayout(); 1728 if (layout != null) { 1729 adjustedHeight -= layout.getLineDescent(0); 1730 } 1731 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1732 1733 Drawable result = new BitmapDrawable(getResources(), drawable); 1734 result.setBounds(0, 0, width, height); 1735 return new MoreImageSpan(result); 1736 } 1737 1738 // Visible for testing. 1739 /*package*/ void createMoreChipPlainText() { 1740 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1741 Editable text = getText(); 1742 int start = 0; 1743 int end = start; 1744 for (int i = 0; i < CHIP_LIMIT; i++) { 1745 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1746 start = end; // move to the next token and get its end. 1747 } 1748 // Now, count total addresses. 1749 start = 0; 1750 int tokenCount = countTokens(text); 1751 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1752 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1753 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1754 text.replace(end, text.length(), chipText); 1755 mMoreChip = moreSpan; 1756 } 1757 1758 // Visible for testing. 1759 /* package */int countTokens(Editable text) { 1760 int tokenCount = 0; 1761 int start = 0; 1762 while (start < text.length()) { 1763 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1764 tokenCount++; 1765 if (start >= text.length()) { 1766 break; 1767 } 1768 } 1769 return tokenCount; 1770 } 1771 1772 /** 1773 * Create the more chip. The more chip is text that replaces any chips that 1774 * do not fit in the pre-defined available space when the 1775 * RecipientEditTextView loses focus. 1776 */ 1777 // Visible for testing. 1778 /* package */ void createMoreChip() { 1779 if (mNoChips) { 1780 createMoreChipPlainText(); 1781 return; 1782 } 1783 1784 if (!mShouldShrink) { 1785 return; 1786 } 1787 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1788 if (tempMore.length > 0) { 1789 getSpannable().removeSpan(tempMore[0]); 1790 } 1791 RecipientChip[] recipients = getSortedRecipients(); 1792 1793 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1794 mMoreChip = null; 1795 return; 1796 } 1797 Spannable spannable = getSpannable(); 1798 int numRecipients = recipients.length; 1799 int overage = numRecipients - CHIP_LIMIT; 1800 MoreImageSpan moreSpan = createMoreSpan(overage); 1801 mRemovedSpans = new ArrayList<RecipientChip>(); 1802 int totalReplaceStart = 0; 1803 int totalReplaceEnd = 0; 1804 Editable text = getText(); 1805 for (int i = numRecipients - overage; i < recipients.length; i++) { 1806 mRemovedSpans.add(recipients[i]); 1807 if (i == numRecipients - overage) { 1808 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1809 } 1810 if (i == recipients.length - 1) { 1811 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1812 } 1813 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1814 int spanStart = spannable.getSpanStart(recipients[i]); 1815 int spanEnd = spannable.getSpanEnd(recipients[i]); 1816 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1817 } 1818 spannable.removeSpan(recipients[i]); 1819 } 1820 if (totalReplaceEnd < text.length()) { 1821 totalReplaceEnd = text.length(); 1822 } 1823 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1824 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1825 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1826 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1827 text.replace(start, end, chipText); 1828 mMoreChip = moreSpan; 1829 // If adding the +more chip goes over the limit, resize accordingly. 1830 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1831 setMaxLines(getLineCount()); 1832 } 1833 } 1834 1835 /** 1836 * Replace the more chip, if it exists, with all of the recipient chips it had 1837 * replaced when the RecipientEditTextView gains focus. 1838 */ 1839 // Visible for testing. 1840 /*package*/ void removeMoreChip() { 1841 if (mMoreChip != null) { 1842 Spannable span = getSpannable(); 1843 span.removeSpan(mMoreChip); 1844 mMoreChip = null; 1845 // Re-add the spans that were removed. 1846 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1847 // Recreate each removed span. 1848 RecipientChip[] recipients = getSortedRecipients(); 1849 // Start the search for tokens after the last currently visible 1850 // chip. 1851 if (recipients == null || recipients.length == 0) { 1852 return; 1853 } 1854 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1855 Editable editable = getText(); 1856 for (RecipientChip chip : mRemovedSpans) { 1857 int chipStart; 1858 int chipEnd; 1859 String token; 1860 // Need to find the location of the chip, again. 1861 token = (String) chip.getOriginalText(); 1862 // As we find the matching recipient for the remove spans, 1863 // reduce the size of the string we need to search. 1864 // That way, if there are duplicates, we always find the correct 1865 // recipient. 1866 chipStart = editable.toString().indexOf(token, end); 1867 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1868 // Only set the span if we found a matching token. 1869 if (chipStart != -1) { 1870 if (chip instanceof InvisibleRecipientChip) { 1871 /* 1872 * We want the original text to be displayed until we can replace it 1873 * with a real chip 1874 */ 1875 ((InvisibleRecipientChip) chip).setDisplayOriginalText(true); 1876 } 1877 editable.setSpan(chip, chipStart, chipEnd, 1878 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1879 } 1880 } 1881 mRemovedSpans.clear(); 1882 } 1883 } 1884 } 1885 1886 /** 1887 * Show specified chip as selected. If the RecipientChip is just an email address, 1888 * selecting the chip will take the contents of the chip and place it at 1889 * the end of the RecipientEditTextView for inline editing. If the 1890 * RecipientChip is a complete contact, then selecting the chip 1891 * will change the background color of the chip, show the delete icon, 1892 * and a popup window with the address in use highlighted and any other 1893 * alternate addresses for the contact. 1894 * @param currentChip Chip to select. 1895 * @return A RecipientChip in the selected state or null if the chip 1896 * just contained an email address. 1897 */ 1898 private RecipientChip selectChip(RecipientChip currentChip) { 1899 if (shouldShowEditableText(currentChip)) { 1900 CharSequence text = currentChip.getValue(); 1901 Editable editable = getText(); 1902 Spannable spannable = getSpannable(); 1903 int spanStart = spannable.getSpanStart(currentChip); 1904 int spanEnd = spannable.getSpanEnd(currentChip); 1905 spannable.removeSpan(currentChip); 1906 editable.delete(spanStart, spanEnd); 1907 setCursorVisible(true); 1908 setSelection(editable.length()); 1909 editable.append(text); 1910 return constructChipSpan( 1911 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1912 getSelectionStart(), true, false); 1913 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1914 int start = getChipStart(currentChip); 1915 int end = getChipEnd(currentChip); 1916 getSpannable().removeSpan(currentChip); 1917 RecipientChip newChip; 1918 try { 1919 if (mNoChips) { 1920 return null; 1921 } 1922 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1923 } catch (NullPointerException e) { 1924 Log.e(TAG, e.getMessage(), e); 1925 return null; 1926 } 1927 Editable editable = getText(); 1928 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1929 if (start == -1 || end == -1) { 1930 Log.d(TAG, "The chip being selected no longer exists but should."); 1931 } else { 1932 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1933 } 1934 newChip.setSelected(true); 1935 if (shouldShowEditableText(newChip)) { 1936 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1937 } 1938 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1939 setCursorVisible(false); 1940 return newChip; 1941 } else { 1942 int start = getChipStart(currentChip); 1943 int end = getChipEnd(currentChip); 1944 getSpannable().removeSpan(currentChip); 1945 RecipientChip newChip; 1946 try { 1947 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1948 } catch (NullPointerException e) { 1949 Log.e(TAG, e.getMessage(), e); 1950 return null; 1951 } 1952 Editable editable = getText(); 1953 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1954 if (start == -1 || end == -1) { 1955 Log.d(TAG, "The chip being selected no longer exists but should."); 1956 } else { 1957 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1958 } 1959 newChip.setSelected(true); 1960 if (shouldShowEditableText(newChip)) { 1961 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1962 } 1963 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1964 setCursorVisible(false); 1965 return newChip; 1966 } 1967 } 1968 1969 private boolean shouldShowEditableText(RecipientChip currentChip) { 1970 long contactId = currentChip.getContactId(); 1971 return contactId == RecipientEntry.INVALID_CONTACT 1972 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 1973 } 1974 1975 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1976 int width, Context context) { 1977 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1978 int bottom = calculateOffsetFromBottom(line); 1979 // Align the alternates popup with the left side of the View, 1980 // regardless of the position of the chip tapped. 1981 popup.setWidth(width); 1982 popup.setAnchorView(this); 1983 popup.setVerticalOffset(bottom); 1984 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1985 popup.setOnItemClickListener(new OnItemClickListener() { 1986 @Override 1987 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1988 unselectChip(currentChip); 1989 popup.dismiss(); 1990 } 1991 }); 1992 popup.show(); 1993 ListView listView = popup.getListView(); 1994 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1995 listView.setItemChecked(0, true); 1996 } 1997 1998 /** 1999 * Remove selection from this chip. Unselecting a RecipientChip will render 2000 * the chip without a delete icon and with an unfocused background. This is 2001 * called when the RecipientChip no longer has focus. 2002 */ 2003 private void unselectChip(RecipientChip chip) { 2004 int start = getChipStart(chip); 2005 int end = getChipEnd(chip); 2006 Editable editable = getText(); 2007 mSelectedChip = null; 2008 if (start == -1 || end == -1) { 2009 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2010 setSelection(editable.length()); 2011 commitDefault(); 2012 } else { 2013 getSpannable().removeSpan(chip); 2014 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2015 editable.removeSpan(chip); 2016 try { 2017 if (!mNoChips) { 2018 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2019 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2020 } 2021 } catch (NullPointerException e) { 2022 Log.e(TAG, e.getMessage(), e); 2023 } 2024 } 2025 setCursorVisible(true); 2026 setSelection(editable.length()); 2027 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2028 mAlternatesPopup.dismiss(); 2029 } 2030 } 2031 2032 /** 2033 * Return whether a touch event was inside the delete target of 2034 * a selected chip. It is in the delete target if: 2035 * 1) the x and y points of the event are within the 2036 * delete assset. 2037 * 2) the point tapped would have caused a cursor to appear 2038 * right after the selected chip. 2039 * @return boolean 2040 */ 2041 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2042 // Figure out the bounds of this chip and whether or not 2043 // the user clicked in the X portion. 2044 return chip.isSelected() && offset == getChipEnd(chip); 2045 } 2046 2047 /** 2048 * Remove the chip and any text associated with it from the RecipientEditTextView. 2049 */ 2050 // Visible for testing. 2051 /*pacakge*/ void removeChip(RecipientChip chip) { 2052 Spannable spannable = getSpannable(); 2053 int spanStart = spannable.getSpanStart(chip); 2054 int spanEnd = spannable.getSpanEnd(chip); 2055 Editable text = getText(); 2056 int toDelete = spanEnd; 2057 boolean wasSelected = chip == mSelectedChip; 2058 // Clear that there is a selected chip before updating any text. 2059 if (wasSelected) { 2060 mSelectedChip = null; 2061 } 2062 // Always remove trailing spaces when removing a chip. 2063 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2064 toDelete++; 2065 } 2066 spannable.removeSpan(chip); 2067 if (spanStart >= 0 && toDelete > 0) { 2068 text.delete(spanStart, toDelete); 2069 } 2070 if (wasSelected) { 2071 clearSelectedChip(); 2072 } 2073 } 2074 2075 /** 2076 * Replace this currently selected chip with a new chip 2077 * that uses the contact data provided. 2078 */ 2079 // Visible for testing. 2080 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2081 boolean wasSelected = chip == mSelectedChip; 2082 if (wasSelected) { 2083 mSelectedChip = null; 2084 } 2085 int start = getChipStart(chip); 2086 int end = getChipEnd(chip); 2087 getSpannable().removeSpan(chip); 2088 Editable editable = getText(); 2089 CharSequence chipText = createChip(entry, false); 2090 if (chipText != null) { 2091 if (start == -1 || end == -1) { 2092 Log.e(TAG, "The chip to replace does not exist but should."); 2093 editable.insert(0, chipText); 2094 } else { 2095 if (!TextUtils.isEmpty(chipText)) { 2096 // There may be a space to replace with this chip's new 2097 // associated space. Check for it 2098 int toReplace = end; 2099 while (toReplace >= 0 && toReplace < editable.length() 2100 && editable.charAt(toReplace) == ' ') { 2101 toReplace++; 2102 } 2103 editable.replace(start, toReplace, chipText); 2104 } 2105 } 2106 } 2107 setCursorVisible(true); 2108 if (wasSelected) { 2109 clearSelectedChip(); 2110 } 2111 } 2112 2113 /** 2114 * Handle click events for a chip. When a selected chip receives a click 2115 * event, see if that event was in the delete icon. If so, delete it. 2116 * Otherwise, unselect the chip. 2117 */ 2118 public void onClick(RecipientChip chip, int offset, float x, float y) { 2119 if (chip.isSelected()) { 2120 if (isInDelete(chip, offset, x, y)) { 2121 removeChip(chip); 2122 } else { 2123 clearSelectedChip(); 2124 } 2125 } 2126 } 2127 2128 private boolean chipsPending() { 2129 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2130 } 2131 2132 @Override 2133 public void removeTextChangedListener(TextWatcher watcher) { 2134 mTextWatcher = null; 2135 super.removeTextChangedListener(watcher); 2136 } 2137 2138 private class RecipientTextWatcher implements TextWatcher { 2139 2140 @Override 2141 public void afterTextChanged(Editable s) { 2142 // If the text has been set to null or empty, make sure we remove 2143 // all the spans we applied. 2144 if (TextUtils.isEmpty(s)) { 2145 // Remove all the chips spans. 2146 Spannable spannable = getSpannable(); 2147 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2148 RecipientChip.class); 2149 for (RecipientChip chip : chips) { 2150 spannable.removeSpan(chip); 2151 } 2152 if (mMoreChip != null) { 2153 spannable.removeSpan(mMoreChip); 2154 } 2155 return; 2156 } 2157 // Get whether there are any recipients pending addition to the 2158 // view. If there are, don't do anything in the text watcher. 2159 if (chipsPending()) { 2160 return; 2161 } 2162 // If the user is editing a chip, don't clear it. 2163 if (mSelectedChip != null) { 2164 if (!isGeneratedContact(mSelectedChip)) { 2165 setCursorVisible(true); 2166 setSelection(getText().length()); 2167 clearSelectedChip(); 2168 } else { 2169 return; 2170 } 2171 } 2172 int length = s.length(); 2173 // Make sure there is content there to parse and that it is 2174 // not just the commit character. 2175 if (length > 1) { 2176 if (lastCharacterIsCommitCharacter(s)) { 2177 commitByCharacter(); 2178 return; 2179 } 2180 char last; 2181 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2182 int len = length() - 1; 2183 if (end != len) { 2184 last = s.charAt(end); 2185 } else { 2186 last = s.charAt(len); 2187 } 2188 if (last == COMMIT_CHAR_SPACE) { 2189 if (!isPhoneQuery()) { 2190 // Check if this is a valid email address. If it is, 2191 // commit it. 2192 String text = getText().toString(); 2193 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2194 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2195 tokenStart)); 2196 if (!TextUtils.isEmpty(sub) && mValidator != null && 2197 mValidator.isValid(sub)) { 2198 commitByCharacter(); 2199 } 2200 } 2201 } 2202 } 2203 } 2204 2205 @Override 2206 public void onTextChanged(CharSequence s, int start, int before, int count) { 2207 // The user deleted some text OR some text was replaced; check to 2208 // see if the insertion point is on a space 2209 // following a chip. 2210 if (before - count == 1) { 2211 // If the item deleted is a space, and the thing before the 2212 // space is a chip, delete the entire span. 2213 int selStart = getSelectionStart(); 2214 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2215 RecipientChip.class); 2216 if (repl.length > 0) { 2217 // There is a chip there! Just remove it. 2218 Editable editable = getText(); 2219 // Add the separator token. 2220 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2221 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2222 tokenEnd = tokenEnd + 1; 2223 if (tokenEnd > editable.length()) { 2224 tokenEnd = editable.length(); 2225 } 2226 editable.delete(tokenStart, tokenEnd); 2227 getSpannable().removeSpan(repl[0]); 2228 } 2229 } else if (count > before) { 2230 if (mSelectedChip != null 2231 && isGeneratedContact(mSelectedChip)) { 2232 if (lastCharacterIsCommitCharacter(s)) { 2233 commitByCharacter(); 2234 return; 2235 } 2236 } 2237 } 2238 } 2239 2240 @Override 2241 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2242 // Do nothing. 2243 } 2244 } 2245 2246 @Override 2247 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 2248 super.setAdapter(adapter); 2249 ((BaseRecipientAdapter) adapter) 2250 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 2251 @Override 2252 public void onChanged(List<RecipientEntry> entries) { 2253 if (entries != null && entries.size() > 0) { 2254 scrollBottomIntoView(); 2255 } 2256 } 2257 }); 2258 } 2259 2260 private void scrollBottomIntoView() { 2261 if (mScrollView != null && mShouldShrink) { 2262 int[] location = new int[2]; 2263 getLocationOnScreen(location); 2264 int height = getHeight(); 2265 int currentPos = location[1] + height; 2266 // Desired position shows at least 1 line of chips below the action 2267 // bar. 2268 // We add excess padding to make sure this is always below other 2269 // content. 2270 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 2271 if (currentPos > desiredPos) { 2272 mScrollView.scrollBy(0, currentPos - desiredPos); 2273 } 2274 } 2275 } 2276 2277 private int getExcessTopPadding() { 2278 if (sExcessTopPadding == -1) { 2279 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 2280 } 2281 return sExcessTopPadding; 2282 } 2283 2284 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2285 char last; 2286 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2287 int len = length() - 1; 2288 if (end != len) { 2289 last = s.charAt(end); 2290 } else { 2291 last = s.charAt(len); 2292 } 2293 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2294 } 2295 2296 public boolean isGeneratedContact(RecipientChip chip) { 2297 long contactId = chip.getContactId(); 2298 return contactId == RecipientEntry.INVALID_CONTACT 2299 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2300 } 2301 2302 /** 2303 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2304 */ 2305 private void handlePasteClip(ClipData clip) { 2306 removeTextChangedListener(mTextWatcher); 2307 2308 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2309 for (int i = 0; i < clip.getItemCount(); i++) { 2310 CharSequence paste = clip.getItemAt(i).getText(); 2311 if (paste != null) { 2312 int start = getSelectionStart(); 2313 int end = getSelectionEnd(); 2314 Editable editable = getText(); 2315 if (start >= 0 && end >= 0 && start != end) { 2316 editable.append(paste, start, end); 2317 } else { 2318 editable.insert(end, paste); 2319 } 2320 handlePasteAndReplace(); 2321 } 2322 } 2323 } 2324 2325 mHandler.post(mAddTextWatcher); 2326 } 2327 2328 @Override 2329 public boolean onTextContextMenuItem(int id) { 2330 if (id == android.R.id.paste) { 2331 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2332 Context.CLIPBOARD_SERVICE); 2333 handlePasteClip(clipboard.getPrimaryClip()); 2334 return true; 2335 } 2336 return super.onTextContextMenuItem(id); 2337 } 2338 2339 private void handlePasteAndReplace() { 2340 ArrayList<RecipientChip> created = handlePaste(); 2341 if (created != null && created.size() > 0) { 2342 // Perform reverse lookups on the pasted contacts. 2343 IndividualReplacementTask replace = new IndividualReplacementTask(); 2344 replace.execute(created); 2345 } 2346 } 2347 2348 // Visible for testing. 2349 /* package */ArrayList<RecipientChip> handlePaste() { 2350 String text = getText().toString(); 2351 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2352 String lastAddress = text.substring(originalTokenStart); 2353 int tokenStart = originalTokenStart; 2354 int prevTokenStart = tokenStart; 2355 RecipientChip findChip = null; 2356 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2357 if (tokenStart != 0) { 2358 // There are things before this! 2359 while (tokenStart != 0 && findChip == null) { 2360 prevTokenStart = tokenStart; 2361 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2362 findChip = findChip(tokenStart); 2363 } 2364 if (tokenStart != originalTokenStart) { 2365 if (findChip != null) { 2366 tokenStart = prevTokenStart; 2367 } 2368 int tokenEnd; 2369 RecipientChip createdChip; 2370 while (tokenStart < originalTokenStart) { 2371 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2372 tokenStart)); 2373 commitChip(tokenStart, tokenEnd, getText()); 2374 createdChip = findChip(tokenStart); 2375 if (createdChip == null) { 2376 break; 2377 } 2378 // +1 for the space at the end. 2379 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2380 created.add(createdChip); 2381 } 2382 } 2383 } 2384 // Take a look at the last token. If the token has been completed with a 2385 // commit character, create a chip. 2386 if (isCompletedToken(lastAddress)) { 2387 Editable editable = getText(); 2388 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2389 commitChip(tokenStart, editable.length(), editable); 2390 created.add(findChip(tokenStart)); 2391 } 2392 return created; 2393 } 2394 2395 // Visible for testing. 2396 /* package */int movePastTerminators(int tokenEnd) { 2397 if (tokenEnd >= length()) { 2398 return tokenEnd; 2399 } 2400 char atEnd = getText().toString().charAt(tokenEnd); 2401 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2402 tokenEnd++; 2403 } 2404 // This token had not only an end token character, but also a space 2405 // separating it from the next token. 2406 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2407 tokenEnd++; 2408 } 2409 return tokenEnd; 2410 } 2411 2412 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2413 private RecipientChip createFreeChip(RecipientEntry entry) { 2414 try { 2415 if (mNoChips) { 2416 return null; 2417 } 2418 return constructChipSpan(entry, -1, false, 2419 false /*leave space for contact icon */); 2420 } catch (NullPointerException e) { 2421 Log.e(TAG, e.getMessage(), e); 2422 return null; 2423 } 2424 } 2425 2426 @Override 2427 protected void onPreExecute() { 2428 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2429 // replaced 2430 final List<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2431 final RecipientChip[] existingChips = getSortedRecipients(); 2432 for (int i = 0; i < existingChips.length; i++) { 2433 originalRecipients.add(existingChips[i]); 2434 } 2435 if (mRemovedSpans != null) { 2436 originalRecipients.addAll(mRemovedSpans); 2437 } 2438 2439 final List<RecipientChip> replacements = 2440 new ArrayList<RecipientChip>(originalRecipients.size()); 2441 2442 for (final RecipientChip chip : originalRecipients) { 2443 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2444 && getSpannable().getSpanStart(chip) != -1) { 2445 replacements.add(createFreeChip(chip.getEntry())); 2446 } else { 2447 replacements.add(null); 2448 } 2449 } 2450 2451 processReplacements(originalRecipients, replacements); 2452 } 2453 2454 @Override 2455 protected Void doInBackground(Void... params) { 2456 if (mIndividualReplacements != null) { 2457 mIndividualReplacements.cancel(true); 2458 } 2459 // For each chip in the list, look up the matching contact. 2460 // If there is a match, replace that chip with the matching 2461 // chip. 2462 final ArrayList<RecipientChip> recipients = new ArrayList<RecipientChip>(); 2463 RecipientChip[] existingChips = getSortedRecipients(); 2464 for (int i = 0; i < existingChips.length; i++) { 2465 recipients.add(existingChips[i]); 2466 } 2467 if (mRemovedSpans != null) { 2468 recipients.addAll(mRemovedSpans); 2469 } 2470 ArrayList<String> addresses = new ArrayList<String>(); 2471 RecipientChip chip; 2472 for (int i = 0; i < recipients.size(); i++) { 2473 chip = recipients.get(i); 2474 if (chip != null) { 2475 addresses.add(createAddressText(chip.getEntry())); 2476 } 2477 } 2478 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2479 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2480 new RecipientMatchCallback() { 2481 2482 @Override 2483 public void matchesFound(Map<String, RecipientEntry> entries) { 2484 final ArrayList<RecipientChip> replacements = 2485 new ArrayList<RecipientChip>(); 2486 for (final RecipientChip temp : recipients) { 2487 RecipientEntry entry = null; 2488 if (temp != null && RecipientEntry.isCreatedRecipient( 2489 temp.getEntry().getContactId()) 2490 && getSpannable().getSpanStart(temp) != -1) { 2491 // Replace this. 2492 entry = createValidatedEntry( 2493 entries.get(tokenizeAddress(temp.getEntry() 2494 .getDestination()))); 2495 } 2496 if (entry != null) { 2497 replacements.add(createFreeChip(entry)); 2498 } else { 2499 replacements.add(null); 2500 } 2501 } 2502 processReplacements(recipients, replacements); 2503 } 2504 2505 @Override 2506 public void matchesNotFound(final Set<String> addresses) { 2507 final List<RecipientChip> replacements = 2508 new ArrayList<RecipientChip>(addresses.size()); 2509 2510 for (final RecipientChip temp : recipients) { 2511 if (temp != null && RecipientEntry.isCreatedRecipient( 2512 temp.getEntry().getContactId()) 2513 && getSpannable().getSpanStart(temp) != -1) { 2514 if (addresses.contains(temp.getEntry().getDestination())) { 2515 replacements.add(createFreeChip(temp.getEntry())); 2516 } else { 2517 replacements.add(null); 2518 } 2519 } else { 2520 replacements.add(null); 2521 } 2522 } 2523 2524 processReplacements(recipients, replacements); 2525 } 2526 }); 2527 return null; 2528 } 2529 2530 private void processReplacements(final List<RecipientChip> recipients, 2531 final List<RecipientChip> replacements) { 2532 if (replacements != null && replacements.size() > 0) { 2533 final Runnable runnable = new Runnable() { 2534 @Override 2535 public void run() { 2536 Editable oldText = getText(); 2537 int start, end; 2538 int i = 0; 2539 for (RecipientChip chip : recipients) { 2540 RecipientChip replacement = replacements.get(i); 2541 if (replacement != null) { 2542 final RecipientEntry oldEntry = chip.getEntry(); 2543 final RecipientEntry newEntry = replacement.getEntry(); 2544 final boolean isBetter = 2545 RecipientAlternatesAdapter.getBetterRecipient( 2546 oldEntry, newEntry) == newEntry; 2547 2548 if (isBetter) { 2549 // Find the location of the chip in the text currently shown. 2550 start = oldText.getSpanStart(chip); 2551 if (start != -1) { 2552 // Replacing the entirety of what the chip represented, 2553 // including the extra space dividing it from other chips. 2554 end = oldText.getSpanEnd(chip) + 1; 2555 oldText.removeSpan(chip); 2556 // Make sure we always have just 1 space at the end to 2557 // separate this chip from the next chip. 2558 SpannableString displayText = 2559 new SpannableString(createAddressText( 2560 replacement.getEntry()).trim() 2561 + " "); 2562 displayText.setSpan(replacement, 0, 2563 displayText.length() - 1, 2564 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2565 // Replace the old text we found with with the new display 2566 // text, which now may also contain the display name of the 2567 // recipient. 2568 oldText.replace(start, end, displayText); 2569 replacement.setOriginalText(displayText.toString()); 2570 replacements.set(i, null); 2571 2572 recipients.set(i, replacement); 2573 } 2574 } 2575 } 2576 i++; 2577 } 2578 } 2579 }; 2580 2581 if (Looper.myLooper() == Looper.getMainLooper()) { 2582 runnable.run(); 2583 } else { 2584 mHandler.post(runnable); 2585 } 2586 } 2587 } 2588 } 2589 2590 private class IndividualReplacementTask 2591 extends AsyncTask<ArrayList<RecipientChip>, Void, Void> { 2592 @Override 2593 protected Void doInBackground(ArrayList<RecipientChip>... params) { 2594 // For each chip in the list, look up the matching contact. 2595 // If there is a match, replace that chip with the matching 2596 // chip. 2597 final ArrayList<RecipientChip> originalRecipients = params[0]; 2598 ArrayList<String> addresses = new ArrayList<String>(); 2599 RecipientChip chip; 2600 for (int i = 0; i < originalRecipients.size(); i++) { 2601 chip = originalRecipients.get(i); 2602 if (chip != null) { 2603 addresses.add(createAddressText(chip.getEntry())); 2604 } 2605 } 2606 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2607 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2608 new RecipientMatchCallback() { 2609 2610 @Override 2611 public void matchesFound(Map<String, RecipientEntry> entries) { 2612 for (final RecipientChip temp : originalRecipients) { 2613 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2614 .getContactId()) 2615 && getSpannable().getSpanStart(temp) != -1) { 2616 // Replace this. 2617 RecipientEntry entry = createValidatedEntry(entries 2618 .get(tokenizeAddress(temp.getEntry().getDestination()) 2619 .toLowerCase())); 2620 // If we don't have a validated contact 2621 // match, just use the 2622 // entry as it existed before. 2623 if (entry == null && !isPhoneQuery()) { 2624 entry = temp.getEntry(); 2625 } 2626 final RecipientEntry tempEntry = entry; 2627 if (tempEntry != null) { 2628 mHandler.post(new Runnable() { 2629 @Override 2630 public void run() { 2631 replaceChip(temp, tempEntry); 2632 } 2633 }); 2634 } 2635 } 2636 } 2637 } 2638 2639 @Override 2640 public void matchesNotFound(final Set<String> addresses) { 2641 // No action required 2642 } 2643 }); 2644 return null; 2645 } 2646 } 2647 2648 2649 /** 2650 * MoreImageSpan is a simple class created for tracking the existence of a 2651 * more chip across activity restarts/ 2652 */ 2653 private class MoreImageSpan extends ImageSpan { 2654 public MoreImageSpan(Drawable b) { 2655 super(b); 2656 } 2657 } 2658 2659 @Override 2660 public boolean onDown(MotionEvent e) { 2661 return false; 2662 } 2663 2664 @Override 2665 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2666 // Do nothing. 2667 return false; 2668 } 2669 2670 @Override 2671 public void onLongPress(MotionEvent event) { 2672 if (mSelectedChip != null) { 2673 return; 2674 } 2675 float x = event.getX(); 2676 float y = event.getY(); 2677 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2678 RecipientChip currentChip = findChip(offset); 2679 if (currentChip != null) { 2680 if (mDragEnabled) { 2681 // Start drag-and-drop for the selected chip. 2682 startDrag(currentChip); 2683 } else { 2684 // Copy the selected chip email address. 2685 showCopyDialog(currentChip.getEntry().getDestination()); 2686 } 2687 } 2688 } 2689 2690 /** 2691 * Enables drag-and-drop for chips. 2692 */ 2693 public void enableDrag() { 2694 mDragEnabled = true; 2695 } 2696 2697 /** 2698 * Starts drag-and-drop for the selected chip. 2699 */ 2700 private void startDrag(RecipientChip currentChip) { 2701 String address = currentChip.getEntry().getDestination(); 2702 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2703 2704 // Start drag mode. 2705 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2706 2707 // Remove the current chip, so drag-and-drop will result in a move. 2708 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2709 removeChip(currentChip); 2710 } 2711 2712 /** 2713 * Handles drag event. 2714 */ 2715 @Override 2716 public boolean onDragEvent(DragEvent event) { 2717 switch (event.getAction()) { 2718 case DragEvent.ACTION_DRAG_STARTED: 2719 // Only handle plain text drag and drop. 2720 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2721 case DragEvent.ACTION_DRAG_ENTERED: 2722 requestFocus(); 2723 return true; 2724 case DragEvent.ACTION_DROP: 2725 handlePasteClip(event.getClipData()); 2726 return true; 2727 } 2728 return false; 2729 } 2730 2731 /** 2732 * Drag shadow for a {@link RecipientChip}. 2733 */ 2734 private final class RecipientChipShadow extends DragShadowBuilder { 2735 private final RecipientChip mChip; 2736 2737 public RecipientChipShadow(RecipientChip chip) { 2738 mChip = chip; 2739 } 2740 2741 @Override 2742 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2743 Rect rect = mChip.getBounds(); 2744 shadowSize.set(rect.width(), rect.height()); 2745 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2746 } 2747 2748 @Override 2749 public void onDrawShadow(Canvas canvas) { 2750 mChip.draw(canvas); 2751 } 2752 } 2753 2754 private void showCopyDialog(final String address) { 2755 mCopyAddress = address; 2756 mCopyDialog.setTitle(address); 2757 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2758 mCopyDialog.setCancelable(true); 2759 mCopyDialog.setCanceledOnTouchOutside(true); 2760 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2761 button.setOnClickListener(this); 2762 int btnTitleId; 2763 if (isPhoneQuery()) { 2764 btnTitleId = R.string.copy_number; 2765 } else { 2766 btnTitleId = R.string.copy_email; 2767 } 2768 String buttonTitle = getContext().getResources().getString(btnTitleId); 2769 button.setText(buttonTitle); 2770 mCopyDialog.setOnDismissListener(this); 2771 mCopyDialog.show(); 2772 } 2773 2774 @Override 2775 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2776 // Do nothing. 2777 return false; 2778 } 2779 2780 @Override 2781 public void onShowPress(MotionEvent e) { 2782 // Do nothing. 2783 } 2784 2785 @Override 2786 public boolean onSingleTapUp(MotionEvent e) { 2787 // Do nothing. 2788 return false; 2789 } 2790 2791 @Override 2792 public void onDismiss(DialogInterface dialog) { 2793 mCopyAddress = null; 2794 } 2795 2796 @Override 2797 public void onClick(View v) { 2798 // Copy this to the clipboard. 2799 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2800 Context.CLIPBOARD_SERVICE); 2801 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2802 mCopyDialog.dismiss(); 2803 } 2804 2805 protected boolean isPhoneQuery() { 2806 return getAdapter() != null 2807 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2808 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2809 } 2810} 2811