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