RecipientEditTextView.java revision 858e094f1c695aefdf6a23f522c0f16d81bd79f7
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.Canvas; 32import android.graphics.Matrix; 33import android.graphics.Point; 34import android.graphics.Rect; 35import android.graphics.RectF; 36import android.graphics.drawable.BitmapDrawable; 37import android.graphics.drawable.Drawable; 38import android.os.AsyncTask; 39import android.os.Build; 40import android.os.Handler; 41import android.os.Looper; 42import android.os.Message; 43import android.os.Parcelable; 44import android.text.Editable; 45import android.text.InputType; 46import android.text.Layout; 47import android.text.Spannable; 48import android.text.SpannableString; 49import android.text.SpannableStringBuilder; 50import android.text.Spanned; 51import android.text.TextPaint; 52import android.text.TextUtils; 53import android.text.TextWatcher; 54import android.text.method.QwertyKeyListener; 55import android.text.style.ImageSpan; 56import android.text.util.Rfc822Token; 57import android.text.util.Rfc822Tokenizer; 58import android.util.AttributeSet; 59import android.util.Log; 60import android.util.TypedValue; 61import android.view.ActionMode; 62import android.view.ActionMode.Callback; 63import android.view.DragEvent; 64import android.view.GestureDetector; 65import android.view.KeyEvent; 66import android.view.LayoutInflater; 67import android.view.Menu; 68import android.view.MenuItem; 69import android.view.MotionEvent; 70import android.view.View; 71import android.view.View.OnClickListener; 72import android.view.ViewParent; 73import android.view.inputmethod.EditorInfo; 74import android.view.inputmethod.InputConnection; 75import android.widget.AdapterView; 76import android.widget.AdapterView.OnItemClickListener; 77import android.widget.Button; 78import android.widget.Filterable; 79import android.widget.ListAdapter; 80import android.widget.ListPopupWindow; 81import android.widget.ListView; 82import android.widget.MultiAutoCompleteTextView; 83import android.widget.ScrollView; 84import android.widget.TextView; 85 86import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 87import com.android.ex.chips.recipientchip.DrawableRecipientChip; 88import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 89import com.android.ex.chips.recipientchip.VisibleRecipientChip; 90 91import java.util.ArrayList; 92import java.util.Arrays; 93import java.util.Collection; 94import java.util.Collections; 95import java.util.Comparator; 96import java.util.HashSet; 97import java.util.List; 98import java.util.Map; 99import java.util.Set; 100import java.util.regex.Matcher; 101import java.util.regex.Pattern; 102 103/** 104 * RecipientEditTextView is an auto complete text view for use with applications 105 * that use the new Chips UI for addressing a message to recipients. 106 */ 107public class RecipientEditTextView extends MultiAutoCompleteTextView implements 108 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 109 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 110 TextView.OnEditorActionListener { 111 112 private static final char COMMIT_CHAR_COMMA = ','; 113 114 private static final char COMMIT_CHAR_SEMICOLON = ';'; 115 116 private static final char COMMIT_CHAR_SPACE = ' '; 117 118 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 119 + String.valueOf(COMMIT_CHAR_SPACE); 120 121 private static final String TAG = "RecipientEditTextView"; 122 123 private static int DISMISS = "dismiss".hashCode(); 124 125 private static final long DISMISS_DELAY = 300; 126 127 // TODO: get correct number/ algorithm from with UX. 128 // Visible for testing. 129 /*package*/ static final int CHIP_LIMIT = 2; 130 131 private static final int MAX_CHIPS_PARSED = 50; 132 133 private static int sSelectedTextColor = -1; 134 135 // Resources for displaying chips. 136 private Drawable mChipBackground = null; 137 138 private Drawable mChipDelete = null; 139 140 private Drawable mInvalidChipBackground; 141 142 private Drawable mChipBackgroundPressed; 143 144 private float mChipHeight; 145 146 private float mChipFontSize; 147 148 private float mLineSpacingExtra; 149 150 private int mChipPadding; 151 152 private Tokenizer mTokenizer; 153 154 private Validator mValidator; 155 156 private DrawableRecipientChip mSelectedChip; 157 158 private int mAlternatesLayout; 159 160 private Bitmap mDefaultContactPhoto; 161 162 private ImageSpan mMoreChip; 163 164 private TextView mMoreItem; 165 166 // VisibleForTesting 167 final ArrayList<String> mPendingChips = new ArrayList<String>(); 168 169 private Handler mHandler; 170 171 private int mPendingChipsCount = 0; 172 173 private boolean mNoChips = false; 174 175 private ListPopupWindow mAlternatesPopup; 176 177 private ListPopupWindow mAddressPopup; 178 179 // VisibleForTesting 180 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 181 182 private ArrayList<DrawableRecipientChip> mRemovedSpans; 183 184 private boolean mShouldShrink = true; 185 186 // Chip copy fields. 187 private GestureDetector mGestureDetector; 188 189 private Dialog mCopyDialog; 190 191 private String mCopyAddress; 192 193 /** 194 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 195 * selected chip. 196 */ 197 private OnItemClickListener mAlternatesListener; 198 199 private int mCheckedItem; 200 201 private TextWatcher mTextWatcher; 202 203 // Obtain the enclosing scroll view, if it exists, so that the view can be 204 // scrolled to show the last line of chips content. 205 private ScrollView mScrollView; 206 207 private boolean mTriedGettingScrollView; 208 209 private boolean mDragEnabled = false; 210 211 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 212 // parens, so numbers such as "1 (425) 222-2342" match. 213 private static final Pattern PHONE_PATTERN 214 = Pattern.compile( // sdd = space, dot, or dash 215 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 216 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 217 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 218 219 private final Runnable mAddTextWatcher = new Runnable() { 220 @Override 221 public void run() { 222 if (mTextWatcher == null) { 223 mTextWatcher = new RecipientTextWatcher(); 224 addTextChangedListener(mTextWatcher); 225 } 226 } 227 }; 228 229 private IndividualReplacementTask mIndividualReplacements; 230 231 private Runnable mHandlePendingChips = new Runnable() { 232 233 @Override 234 public void run() { 235 handlePendingChips(); 236 } 237 238 }; 239 240 private Runnable mDelayedShrink = new Runnable() { 241 242 @Override 243 public void run() { 244 shrink(); 245 } 246 247 }; 248 249 private int mMaxLines; 250 251 private static int sExcessTopPadding = -1; 252 253 private int mActionBarHeight; 254 255 public RecipientEditTextView(Context context, AttributeSet attrs) { 256 super(context, attrs); 257 setChipDimensions(context, attrs); 258 if (sSelectedTextColor == -1) { 259 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 260 } 261 mAlternatesPopup = new ListPopupWindow(context); 262 mAddressPopup = new ListPopupWindow(context); 263 mCopyDialog = new Dialog(context); 264 mAlternatesListener = new OnItemClickListener() { 265 @Override 266 public void onItemClick(AdapterView<?> adapterView,View view, int position, 267 long rowId) { 268 mAlternatesPopup.setOnItemClickListener(null); 269 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 270 .getRecipientEntry(position)); 271 Message delayed = Message.obtain(mHandler, DISMISS); 272 delayed.obj = mAlternatesPopup; 273 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 274 clearComposingText(); 275 } 276 }; 277 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 278 setOnItemClickListener(this); 279 setCustomSelectionActionModeCallback(this); 280 mHandler = new Handler() { 281 @Override 282 public void handleMessage(Message msg) { 283 if (msg.what == DISMISS) { 284 ((ListPopupWindow) msg.obj).dismiss(); 285 return; 286 } 287 super.handleMessage(msg); 288 } 289 }; 290 mTextWatcher = new RecipientTextWatcher(); 291 addTextChangedListener(mTextWatcher); 292 mGestureDetector = new GestureDetector(context, this); 293 setOnEditorActionListener(this); 294 } 295 296 @Override 297 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 298 if (action == EditorInfo.IME_ACTION_DONE) { 299 if (commitDefault()) { 300 return true; 301 } 302 if (mSelectedChip != null) { 303 clearSelectedChip(); 304 return true; 305 } else if (focusNext()) { 306 return true; 307 } 308 } 309 return false; 310 } 311 312 @Override 313 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 314 InputConnection connection = super.onCreateInputConnection(outAttrs); 315 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 316 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 317 // clear the existing action 318 outAttrs.imeOptions ^= imeActions; 319 // set the DONE action 320 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 321 } 322 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 323 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 324 } 325 326 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 327 outAttrs.actionLabel = getContext().getString(R.string.done); 328 return connection; 329 } 330 331 /*package*/ DrawableRecipientChip getLastChip() { 332 DrawableRecipientChip last = null; 333 DrawableRecipientChip[] chips = getSortedRecipients(); 334 if (chips != null && chips.length > 0) { 335 last = chips[chips.length - 1]; 336 } 337 return last; 338 } 339 340 @Override 341 public void onSelectionChanged(int start, int end) { 342 // When selection changes, see if it is inside the chips area. 343 // If so, move the cursor back after the chips again. 344 DrawableRecipientChip last = getLastChip(); 345 if (last != null && start < getSpannable().getSpanEnd(last)) { 346 // Grab the last chip and set the cursor to after it. 347 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 348 } 349 super.onSelectionChanged(start, end); 350 } 351 352 @Override 353 public void onRestoreInstanceState(Parcelable state) { 354 if (!TextUtils.isEmpty(getText())) { 355 super.onRestoreInstanceState(null); 356 } else { 357 super.onRestoreInstanceState(state); 358 } 359 } 360 361 @Override 362 public Parcelable onSaveInstanceState() { 363 // If the user changes orientation while they are editing, just roll back the selection. 364 clearSelectedChip(); 365 return super.onSaveInstanceState(); 366 } 367 368 /** 369 * Convenience method: Append the specified text slice to the TextView's 370 * display buffer, upgrading it to BufferType.EDITABLE if it was 371 * not already editable. Commas are excluded as they are added automatically 372 * by the view. 373 */ 374 @Override 375 public void append(CharSequence text, int start, int end) { 376 // We don't care about watching text changes while appending. 377 if (mTextWatcher != null) { 378 removeTextChangedListener(mTextWatcher); 379 } 380 super.append(text, start, end); 381 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 382 String displayString = text.toString(); 383 384 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 385 // We have no separator, so we should add it 386 super.append(SEPARATOR, 0, SEPARATOR.length()); 387 displayString += SEPARATOR; 388 } 389 390 if (!TextUtils.isEmpty(displayString) 391 && TextUtils.getTrimmedLength(displayString) > 0) { 392 mPendingChipsCount++; 393 mPendingChips.add(displayString); 394 } 395 } 396 // Put a message on the queue to make sure we ALWAYS handle pending 397 // chips. 398 if (mPendingChipsCount > 0) { 399 postHandlePendingChips(); 400 } 401 mHandler.post(mAddTextWatcher); 402 } 403 404 @Override 405 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 406 super.onFocusChanged(hasFocus, direction, previous); 407 if (!hasFocus) { 408 shrink(); 409 } else { 410 expand(); 411 } 412 } 413 414 private int getExcessTopPadding() { 415 if (sExcessTopPadding == -1) { 416 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 417 } 418 return sExcessTopPadding; 419 } 420 421 @Override 422 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 423 super.setAdapter(adapter); 424 ((BaseRecipientAdapter) adapter) 425 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 426 @Override 427 public void onChanged(List<RecipientEntry> entries) { 428 // Scroll the chips field to the top of the screen so 429 // that the user can see as many results as possible. 430 if (entries != null && entries.size() > 0) { 431 scrollBottomIntoView(); 432 } 433 } 434 }); 435 } 436 437 private void scrollBottomIntoView() { 438 if (mScrollView != null && mShouldShrink) { 439 int[] location = new int[2]; 440 getLocationOnScreen(location); 441 int height = getHeight(); 442 int currentPos = location[1] + height; 443 // Desired position shows at least 1 line of chips below the action 444 // bar. We add excess padding to make sure this is always below other 445 // content. 446 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 447 if (currentPos > desiredPos) { 448 mScrollView.scrollBy(0, currentPos - desiredPos); 449 } 450 } 451 } 452 453 @Override 454 public void performValidation() { 455 // Do nothing. Chips handles its own validation. 456 } 457 458 private void shrink() { 459 if (mTokenizer == null) { 460 return; 461 } 462 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 463 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 464 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 465 clearSelectedChip(); 466 } else { 467 if (getWidth() <= 0) { 468 // We don't have the width yet which means the view hasn't been drawn yet 469 // and there is no reason to attempt to commit chips yet. 470 // This focus lost must be the result of an orientation change 471 // or an initial rendering. 472 // Re-post the shrink for later. 473 mHandler.removeCallbacks(mDelayedShrink); 474 mHandler.post(mDelayedShrink); 475 return; 476 } 477 // Reset any pending chips as they would have been handled 478 // when the field lost focus. 479 if (mPendingChipsCount > 0) { 480 postHandlePendingChips(); 481 } else { 482 Editable editable = getText(); 483 int end = getSelectionEnd(); 484 int start = mTokenizer.findTokenStart(editable, end); 485 DrawableRecipientChip[] chips = 486 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 487 if ((chips == null || chips.length == 0)) { 488 Editable text = getText(); 489 int whatEnd = mTokenizer.findTokenEnd(text, start); 490 // This token was already tokenized, so skip past the ending token. 491 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 492 whatEnd = movePastTerminators(whatEnd); 493 } 494 // In the middle of chip; treat this as an edit 495 // and commit the whole token. 496 int selEnd = getSelectionEnd(); 497 if (whatEnd != selEnd) { 498 handleEdit(start, whatEnd); 499 } else { 500 commitChip(start, end, editable); 501 } 502 } 503 } 504 mHandler.post(mAddTextWatcher); 505 } 506 createMoreChip(); 507 } 508 509 private void expand() { 510 if (mShouldShrink) { 511 setMaxLines(Integer.MAX_VALUE); 512 } 513 removeMoreChip(); 514 setCursorVisible(true); 515 Editable text = getText(); 516 setSelection(text != null && text.length() > 0 ? text.length() : 0); 517 // If there are any temporary chips, try replacing them now that the user 518 // has expanded the field. 519 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 520 new RecipientReplacementTask().execute(); 521 mTemporaryRecipients = null; 522 } 523 } 524 525 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 526 paint.setTextSize(mChipFontSize); 527 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 528 Log.d(TAG, "Max width is negative: " + maxWidth); 529 } 530 return TextUtils.ellipsize(text, paint, maxWidth, 531 TextUtils.TruncateAt.END); 532 } 533 534 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 535 // Ellipsize the text so that it takes AT MOST the entire width of the 536 // autocomplete text entry area. Make sure to leave space for padding 537 // on the sides. 538 int height = (int) mChipHeight; 539 int deleteWidth = height; 540 float[] widths = new float[1]; 541 paint.getTextWidths(" ", widths); 542 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 543 calculateAvailableWidth() - deleteWidth - widths[0]); 544 545 // Make sure there is a minimum chip width so the user can ALWAYS 546 // tap a chip without difficulty. 547 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 548 ellipsizedText.length())) 549 + (mChipPadding * 2) + deleteWidth); 550 551 // Create the background of the chip. 552 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 553 Canvas canvas = new Canvas(tmpBitmap); 554 if (mChipBackgroundPressed != null) { 555 mChipBackgroundPressed.setBounds(0, 0, width, height); 556 mChipBackgroundPressed.draw(canvas); 557 paint.setColor(sSelectedTextColor); 558 // Vertically center the text in the chip. 559 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 560 getTextYOffset((String) ellipsizedText, paint, height), paint); 561 // Make the delete a square. 562 Rect backgroundPadding = new Rect(); 563 mChipBackgroundPressed.getPadding(backgroundPadding); 564 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 565 0 + backgroundPadding.top, 566 width - backgroundPadding.right, 567 height - backgroundPadding.bottom); 568 mChipDelete.draw(canvas); 569 } else { 570 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 571 } 572 return tmpBitmap; 573 } 574 575 576 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 577 boolean leaveBlankIconSpacer) { 578 // Ellipsize the text so that it takes AT MOST the entire width of the 579 // autocomplete text entry area. Make sure to leave space for padding 580 // on the sides. 581 int height = (int) mChipHeight; 582 int iconWidth = height; 583 float[] widths = new float[1]; 584 paint.getTextWidths(" ", widths); 585 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 586 calculateAvailableWidth() - iconWidth - widths[0]); 587 // Make sure there is a minimum chip width so the user can ALWAYS 588 // tap a chip without difficulty. 589 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 590 ellipsizedText.length())) 591 + (mChipPadding * 2) + iconWidth); 592 593 // Create the background of the chip. 594 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 595 Canvas canvas = new Canvas(tmpBitmap); 596 Drawable background = getChipBackground(contact); 597 if (background != null) { 598 background.setBounds(0, 0, width, height); 599 background.draw(canvas); 600 601 // Don't draw photos for recipients that have been typed in OR generated on the fly. 602 long contactId = contact.getContactId(); 603 boolean drawPhotos = isPhoneQuery() ? 604 contactId != RecipientEntry.INVALID_CONTACT 605 : (contactId != RecipientEntry.INVALID_CONTACT 606 && (contactId != RecipientEntry.GENERATED_CONTACT && 607 !TextUtils.isEmpty(contact.getDisplayName()))); 608 if (drawPhotos) { 609 byte[] photoBytes = contact.getPhotoBytes(); 610 // There may not be a photo yet if anything but the first contact address 611 // was selected. 612 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 613 // TODO: cache this in the recipient entry? 614 getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); 615 photoBytes = contact.getPhotoBytes(); 616 } 617 618 Bitmap photo; 619 if (photoBytes != null) { 620 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 621 } else { 622 // TODO: can the scaled down default photo be cached? 623 photo = mDefaultContactPhoto; 624 } 625 // Draw the photo on the left side. 626 if (photo != null) { 627 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 628 Rect backgroundPadding = new Rect(); 629 mChipBackground.getPadding(backgroundPadding); 630 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 631 0 + backgroundPadding.top, 632 width - backgroundPadding.right, 633 height - backgroundPadding.bottom); 634 Matrix matrix = new Matrix(); 635 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 636 canvas.drawBitmap(photo, matrix, paint); 637 } 638 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 639 iconWidth = 0; 640 } 641 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 642 // Vertically center the text in the chip. 643 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 644 getTextYOffset((String)ellipsizedText, paint, height), paint); 645 } else { 646 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 647 } 648 return tmpBitmap; 649 } 650 651 /** 652 * Get the background drawable for a RecipientChip. 653 */ 654 // Visible for testing. 655 /* package */Drawable getChipBackground(RecipientEntry contact) { 656 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 657 } 658 659 private static float getTextYOffset(String text, TextPaint paint, int height) { 660 Rect bounds = new Rect(); 661 paint.getTextBounds(text, 0, text.length(), bounds); 662 int textHeight = bounds.bottom - bounds.top ; 663 return height - ((height - textHeight) / 2) - (int)paint.descent(); 664 } 665 666 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 667 boolean leaveIconSpace) throws NullPointerException { 668 if (mChipBackground == null) { 669 throw new NullPointerException( 670 "Unable to render any chips as setChipDimensions was not called."); 671 } 672 673 TextPaint paint = getPaint(); 674 float defaultSize = paint.getTextSize(); 675 int defaultColor = paint.getColor(); 676 677 Bitmap tmpBitmap; 678 if (pressed) { 679 tmpBitmap = createSelectedChip(contact, paint); 680 681 } else { 682 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 683 } 684 685 // Pass the full text, un-ellipsized, to the chip. 686 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 687 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 688 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 689 // Return text to the original size. 690 paint.setTextSize(defaultSize); 691 paint.setColor(defaultColor); 692 return recipientChip; 693 } 694 695 /** 696 * Calculate the bottom of the line the chip will be located on using: 697 * 1) which line the chip appears on 698 * 2) the height of a chip 699 * 3) padding built into the edit text view 700 */ 701 private int calculateOffsetFromBottom(int line) { 702 // Line offsets start at zero. 703 int actualLine = getLineCount() - (line + 1); 704 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 705 + getDropDownVerticalOffset(); 706 } 707 708 /** 709 * Get the max amount of space a chip can take up. The formula takes into 710 * account the width of the EditTextView, any view padding, and padding 711 * that will be added to the chip. 712 */ 713 private float calculateAvailableWidth() { 714 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 715 } 716 717 718 private void setChipDimensions(Context context, AttributeSet attrs) { 719 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 720 0); 721 Resources r = getContext().getResources(); 722 723 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 724 if (mChipBackground == null) { 725 mChipBackground = r.getDrawable(R.drawable.chip_background); 726 } 727 mChipBackgroundPressed = a 728 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 729 if (mChipBackgroundPressed == null) { 730 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 731 } 732 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 733 if (mChipDelete == null) { 734 mChipDelete = r.getDrawable(R.drawable.chip_delete); 735 } 736 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 737 if (mChipPadding == -1) { 738 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 739 } 740 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 741 -1); 742 if (mAlternatesLayout == -1) { 743 mAlternatesLayout = R.layout.chips_alternate_item; 744 } 745 746 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 747 748 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 749 750 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 751 if (mChipHeight == -1) { 752 mChipHeight = r.getDimension(R.dimen.chip_height); 753 } 754 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 755 if (mChipFontSize == -1) { 756 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 757 } 758 mInvalidChipBackground = a 759 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 760 if (mInvalidChipBackground == null) { 761 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 762 } 763 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 764 mMaxLines = r.getInteger(R.integer.chips_max_lines); 765 TypedValue tv = new TypedValue(); 766 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 767 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 768 .getDisplayMetrics()); 769 } 770 a.recycle(); 771 } 772 773 // Visible for testing. 774 /* package */ void setMoreItem(TextView moreItem) { 775 mMoreItem = moreItem; 776 } 777 778 779 // Visible for testing. 780 /* package */ void setChipBackground(Drawable chipBackground) { 781 mChipBackground = chipBackground; 782 } 783 784 // Visible for testing. 785 /* package */ void setChipHeight(int height) { 786 mChipHeight = height; 787 } 788 789 /** 790 * Set whether to shrink the recipients field such that at most 791 * one line of recipients chips are shown when the field loses 792 * focus. By default, the number of displayed recipients will be 793 * limited and a "more" chip will be shown when focus is lost. 794 * @param shrink 795 */ 796 public void setOnFocusListShrinkRecipients(boolean shrink) { 797 mShouldShrink = shrink; 798 } 799 800 @Override 801 public void onSizeChanged(int width, int height, int oldw, int oldh) { 802 super.onSizeChanged(width, height, oldw, oldh); 803 if (width != 0 && height != 0) { 804 if (mPendingChipsCount > 0) { 805 postHandlePendingChips(); 806 } else { 807 checkChipWidths(); 808 } 809 } 810 // Try to find the scroll view parent, if it exists. 811 if (mScrollView == null && !mTriedGettingScrollView) { 812 ViewParent parent = getParent(); 813 while (parent != null && !(parent instanceof ScrollView)) { 814 parent = parent.getParent(); 815 } 816 if (parent != null) { 817 mScrollView = (ScrollView) parent; 818 } 819 mTriedGettingScrollView = true; 820 } 821 } 822 823 private void postHandlePendingChips() { 824 mHandler.removeCallbacks(mHandlePendingChips); 825 mHandler.post(mHandlePendingChips); 826 } 827 828 private void checkChipWidths() { 829 // Check the widths of the associated chips. 830 DrawableRecipientChip[] chips = getSortedRecipients(); 831 if (chips != null) { 832 Rect bounds; 833 for (DrawableRecipientChip chip : chips) { 834 bounds = chip.getBounds(); 835 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 836 // Need to redraw that chip. 837 replaceChip(chip, chip.getEntry()); 838 } 839 } 840 } 841 } 842 843 // Visible for testing. 844 /*package*/ void handlePendingChips() { 845 if (getViewWidth() <= 0) { 846 // The widget has not been sized yet. 847 // This will be called as a result of onSizeChanged 848 // at a later point. 849 return; 850 } 851 if (mPendingChipsCount <= 0) { 852 return; 853 } 854 855 synchronized (mPendingChips) { 856 Editable editable = getText(); 857 // Tokenize! 858 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 859 for (int i = 0; i < mPendingChips.size(); i++) { 860 String current = mPendingChips.get(i); 861 int tokenStart = editable.toString().indexOf(current); 862 // Always leave a space at the end between tokens. 863 int tokenEnd = tokenStart + current.length() - 1; 864 if (tokenStart >= 0) { 865 // When we have a valid token, include it with the token 866 // to the left. 867 if (tokenEnd < editable.length() - 2 868 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 869 tokenEnd++; 870 } 871 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 872 || !mShouldShrink); 873 } 874 mPendingChipsCount--; 875 } 876 sanitizeEnd(); 877 } else { 878 mNoChips = true; 879 } 880 881 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 882 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 883 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 884 new RecipientReplacementTask().execute(); 885 mTemporaryRecipients = null; 886 } else { 887 // Create the "more" chip 888 mIndividualReplacements = new IndividualReplacementTask(); 889 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 890 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 891 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 892 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 893 mTemporaryRecipients.subList(CHIP_LIMIT, 894 mTemporaryRecipients.size())); 895 } else { 896 mTemporaryRecipients = null; 897 } 898 createMoreChip(); 899 } 900 } else { 901 // There are too many recipients to look up, so just fall back 902 // to showing addresses for all of them. 903 mTemporaryRecipients = null; 904 createMoreChip(); 905 } 906 mPendingChipsCount = 0; 907 mPendingChips.clear(); 908 } 909 } 910 911 // Visible for testing. 912 /*package*/ int getViewWidth() { 913 return getWidth(); 914 } 915 916 /** 917 * Remove any characters after the last valid chip. 918 */ 919 // Visible for testing. 920 /*package*/ void sanitizeEnd() { 921 // Don't sanitize while we are waiting for pending chips to complete. 922 if (mPendingChipsCount > 0) { 923 return; 924 } 925 // Find the last chip; eliminate any commit characters after it. 926 DrawableRecipientChip[] chips = getSortedRecipients(); 927 Spannable spannable = getSpannable(); 928 if (chips != null && chips.length > 0) { 929 int end; 930 mMoreChip = getMoreChip(); 931 if (mMoreChip != null) { 932 end = spannable.getSpanEnd(mMoreChip); 933 } else { 934 end = getSpannable().getSpanEnd(getLastChip()); 935 } 936 Editable editable = getText(); 937 int length = editable.length(); 938 if (length > end) { 939 // See what characters occur after that and eliminate them. 940 if (Log.isLoggable(TAG, Log.DEBUG)) { 941 Log.d(TAG, "There were extra characters after the last tokenizable entry." 942 + editable); 943 } 944 editable.delete(end + 1, length); 945 } 946 } 947 } 948 949 /** 950 * Create a chip that represents just the email address of a recipient. At some later 951 * point, this chip will be attached to a real contact entry, if one exists. 952 */ 953 // VisibleForTesting 954 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 955 boolean visible) { 956 if (alreadyHasChip(tokenStart, tokenEnd)) { 957 // There is already a chip present at this location. 958 // Don't recreate it. 959 return; 960 } 961 String token = editable.toString().substring(tokenStart, tokenEnd); 962 final String trimmedToken = token.trim(); 963 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 964 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 965 token = trimmedToken.substring(0, trimmedToken.length() - 1); 966 } 967 RecipientEntry entry = createTokenizedEntry(token); 968 if (entry != null) { 969 DrawableRecipientChip chip = null; 970 try { 971 if (!mNoChips) { 972 /* 973 * leave space for the contact icon if this is not just an 974 * email address 975 */ 976 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 977 || TextUtils.equals(entry.getDisplayName(), 978 entry.getDestination()); 979 chip = visible ? 980 constructChipSpan(entry, false, leaveSpace) 981 : new InvisibleRecipientChip(entry); 982 } 983 } catch (NullPointerException e) { 984 Log.e(TAG, e.getMessage(), e); 985 } 986 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 987 // Add this chip to the list of entries "to replace" 988 if (chip != null) { 989 if (mTemporaryRecipients == null) { 990 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 991 } 992 chip.setOriginalText(token); 993 mTemporaryRecipients.add(chip); 994 } 995 } 996 } 997 998 private static boolean isPhoneNumber(String number) { 999 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1000 // PhoneNumberUtil). One complication is that it requires the sender's region which 1001 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1002 if (TextUtils.isEmpty(number)) { 1003 return false; 1004 } 1005 1006 Matcher match = PHONE_PATTERN.matcher(number); 1007 return match.matches(); 1008 } 1009 1010 // VisibleForTesting 1011 RecipientEntry createTokenizedEntry(final String token) { 1012 if (TextUtils.isEmpty(token)) { 1013 return null; 1014 } 1015 if (isPhoneQuery() && isPhoneNumber(token)) { 1016 return RecipientEntry.constructFakePhoneEntry(token, true); 1017 } 1018 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1019 String display = null; 1020 boolean isValid = isValid(token); 1021 if (isValid && tokens != null && tokens.length > 0) { 1022 // If we can get a name from tokenizing, then generate an entry from 1023 // this. 1024 display = tokens[0].getName(); 1025 if (!TextUtils.isEmpty(display)) { 1026 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1027 isValid); 1028 } else { 1029 display = tokens[0].getAddress(); 1030 if (!TextUtils.isEmpty(display)) { 1031 return RecipientEntry.constructFakeEntry(display, isValid); 1032 } 1033 } 1034 } 1035 // Unable to validate the token or to create a valid token from it. 1036 // Just create a chip the user can edit. 1037 String validatedToken = null; 1038 if (mValidator != null && !isValid) { 1039 // Try fixing up the entry using the validator. 1040 validatedToken = mValidator.fixText(token).toString(); 1041 if (!TextUtils.isEmpty(validatedToken)) { 1042 if (validatedToken.contains(token)) { 1043 // protect against the case of a validator with a null 1044 // domain, 1045 // which doesn't add a domain to the token 1046 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1047 if (tokenized.length > 0) { 1048 validatedToken = tokenized[0].getAddress(); 1049 isValid = true; 1050 } 1051 } else { 1052 // We ran into a case where the token was invalid and 1053 // removed 1054 // by the validator. In this case, just use the original 1055 // token 1056 // and let the user sort out the error chip. 1057 validatedToken = null; 1058 isValid = false; 1059 } 1060 } 1061 } 1062 // Otherwise, fallback to just creating an editable email address chip. 1063 return RecipientEntry.constructFakeEntry( 1064 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1065 } 1066 1067 private boolean isValid(String text) { 1068 return mValidator == null ? true : mValidator.isValid(text); 1069 } 1070 1071 private static String tokenizeAddress(String destination) { 1072 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1073 if (tokens != null && tokens.length > 0) { 1074 return tokens[0].getAddress(); 1075 } 1076 return destination; 1077 } 1078 1079 @Override 1080 public void setTokenizer(Tokenizer tokenizer) { 1081 mTokenizer = tokenizer; 1082 super.setTokenizer(mTokenizer); 1083 } 1084 1085 @Override 1086 public void setValidator(Validator validator) { 1087 mValidator = validator; 1088 super.setValidator(validator); 1089 } 1090 1091 /** 1092 * We cannot use the default mechanism for replaceText. Instead, 1093 * we override onItemClickListener so we can get all the associated 1094 * contact information including display text, address, and id. 1095 */ 1096 @Override 1097 protected void replaceText(CharSequence text) { 1098 return; 1099 } 1100 1101 /** 1102 * Dismiss any selected chips when the back key is pressed. 1103 */ 1104 @Override 1105 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1106 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1107 clearSelectedChip(); 1108 return true; 1109 } 1110 return super.onKeyPreIme(keyCode, event); 1111 } 1112 1113 /** 1114 * Monitor key presses in this view to see if the user types 1115 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1116 * If the user has entered text that has contact matches and types 1117 * a commit key, create a chip from the topmost matching contact. 1118 * If the user has entered text that has no contact matches and types 1119 * a commit key, then create a chip from the text they have entered. 1120 */ 1121 @Override 1122 public boolean onKeyUp(int keyCode, KeyEvent event) { 1123 switch (keyCode) { 1124 case KeyEvent.KEYCODE_TAB: 1125 if (event.hasNoModifiers()) { 1126 if (mSelectedChip != null) { 1127 clearSelectedChip(); 1128 } else { 1129 commitDefault(); 1130 } 1131 } 1132 break; 1133 } 1134 return super.onKeyUp(keyCode, event); 1135 } 1136 1137 private boolean focusNext() { 1138 View next = focusSearch(View.FOCUS_DOWN); 1139 if (next != null) { 1140 next.requestFocus(); 1141 return true; 1142 } 1143 return false; 1144 } 1145 1146 /** 1147 * Create a chip from the default selection. If the popup is showing, the 1148 * default is the first item in the popup suggestions list. Otherwise, it is 1149 * whatever the user had typed in. End represents where the the tokenizer 1150 * should search for a token to turn into a chip. 1151 * @return If a chip was created from a real contact. 1152 */ 1153 private boolean commitDefault() { 1154 // If there is no tokenizer, don't try to commit. 1155 if (mTokenizer == null) { 1156 return false; 1157 } 1158 Editable editable = getText(); 1159 int end = getSelectionEnd(); 1160 int start = mTokenizer.findTokenStart(editable, end); 1161 1162 if (shouldCreateChip(start, end)) { 1163 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1164 // In the middle of chip; treat this as an edit 1165 // and commit the whole token. 1166 whatEnd = movePastTerminators(whatEnd); 1167 if (whatEnd != getSelectionEnd()) { 1168 handleEdit(start, whatEnd); 1169 return true; 1170 } 1171 return commitChip(start, end , editable); 1172 } 1173 return false; 1174 } 1175 1176 private void commitByCharacter() { 1177 // We can't possibly commit by character if we can't tokenize. 1178 if (mTokenizer == null) { 1179 return; 1180 } 1181 Editable editable = getText(); 1182 int end = getSelectionEnd(); 1183 int start = mTokenizer.findTokenStart(editable, end); 1184 if (shouldCreateChip(start, end)) { 1185 commitChip(start, end, editable); 1186 } 1187 setSelection(getText().length()); 1188 } 1189 1190 private boolean commitChip(int start, int end, Editable editable) { 1191 ListAdapter adapter = getAdapter(); 1192 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1193 && end == getSelectionEnd() && !isPhoneQuery()) { 1194 // choose the first entry. 1195 submitItemAtPosition(0); 1196 dismissDropDown(); 1197 return true; 1198 } else { 1199 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1200 if (editable.length() > tokenEnd + 1) { 1201 char charAt = editable.charAt(tokenEnd + 1); 1202 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1203 tokenEnd++; 1204 } 1205 } 1206 String text = editable.toString().substring(start, tokenEnd).trim(); 1207 clearComposingText(); 1208 if (text != null && text.length() > 0 && !text.equals(" ")) { 1209 RecipientEntry entry = createTokenizedEntry(text); 1210 if (entry != null) { 1211 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1212 CharSequence chipText = createChip(entry, false); 1213 if (chipText != null && start > -1 && end > -1) { 1214 editable.replace(start, end, chipText); 1215 } 1216 } 1217 // Only dismiss the dropdown if it is related to the text we 1218 // just committed. 1219 // For paste, it may not be as there are possibly multiple 1220 // tokens being added. 1221 if (end == getSelectionEnd()) { 1222 dismissDropDown(); 1223 } 1224 sanitizeBetween(); 1225 return true; 1226 } 1227 } 1228 return false; 1229 } 1230 1231 // Visible for testing. 1232 /* package */ void sanitizeBetween() { 1233 // Don't sanitize while we are waiting for content to chipify. 1234 if (mPendingChipsCount > 0) { 1235 return; 1236 } 1237 // Find the last chip. 1238 DrawableRecipientChip[] recips = getSortedRecipients(); 1239 if (recips != null && recips.length > 0) { 1240 DrawableRecipientChip last = recips[recips.length - 1]; 1241 DrawableRecipientChip beforeLast = null; 1242 if (recips.length > 1) { 1243 beforeLast = recips[recips.length - 2]; 1244 } 1245 int startLooking = 0; 1246 int end = getSpannable().getSpanStart(last); 1247 if (beforeLast != null) { 1248 startLooking = getSpannable().getSpanEnd(beforeLast); 1249 Editable text = getText(); 1250 if (startLooking == -1 || startLooking > text.length() - 1) { 1251 // There is nothing after this chip. 1252 return; 1253 } 1254 if (text.charAt(startLooking) == ' ') { 1255 startLooking++; 1256 } 1257 } 1258 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1259 getText().delete(startLooking, end); 1260 } 1261 } 1262 } 1263 1264 private boolean shouldCreateChip(int start, int end) { 1265 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1266 } 1267 1268 private boolean alreadyHasChip(int start, int end) { 1269 if (mNoChips) { 1270 return true; 1271 } 1272 DrawableRecipientChip[] chips = 1273 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1274 if ((chips == null || chips.length == 0)) { 1275 return false; 1276 } 1277 return true; 1278 } 1279 1280 private void handleEdit(int start, int end) { 1281 if (start == -1 || end == -1) { 1282 // This chip no longer exists in the field. 1283 dismissDropDown(); 1284 return; 1285 } 1286 // This is in the middle of a chip, so select out the whole chip 1287 // and commit it. 1288 Editable editable = getText(); 1289 setSelection(end); 1290 String text = getText().toString().substring(start, end); 1291 if (!TextUtils.isEmpty(text)) { 1292 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1293 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1294 CharSequence chipText = createChip(entry, false); 1295 int selEnd = getSelectionEnd(); 1296 if (chipText != null && start > -1 && selEnd > -1) { 1297 editable.replace(start, selEnd, chipText); 1298 } 1299 } 1300 dismissDropDown(); 1301 } 1302 1303 /** 1304 * If there is a selected chip, delegate the key events 1305 * to the selected chip. 1306 */ 1307 @Override 1308 public boolean onKeyDown(int keyCode, KeyEvent event) { 1309 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1310 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1311 mAlternatesPopup.dismiss(); 1312 } 1313 removeChip(mSelectedChip); 1314 } 1315 1316 switch (keyCode) { 1317 case KeyEvent.KEYCODE_ENTER: 1318 case KeyEvent.KEYCODE_DPAD_CENTER: 1319 if (event.hasNoModifiers()) { 1320 if (commitDefault()) { 1321 return true; 1322 } 1323 if (mSelectedChip != null) { 1324 clearSelectedChip(); 1325 return true; 1326 } else if (focusNext()) { 1327 return true; 1328 } 1329 } 1330 break; 1331 } 1332 1333 return super.onKeyDown(keyCode, event); 1334 } 1335 1336 // Visible for testing. 1337 /* package */ Spannable getSpannable() { 1338 return getText(); 1339 } 1340 1341 private int getChipStart(DrawableRecipientChip chip) { 1342 return getSpannable().getSpanStart(chip); 1343 } 1344 1345 private int getChipEnd(DrawableRecipientChip chip) { 1346 return getSpannable().getSpanEnd(chip); 1347 } 1348 1349 /** 1350 * Instead of filtering on the entire contents of the edit box, 1351 * this subclass method filters on the range from 1352 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1353 * if the length of that range meets or exceeds {@link #getThreshold} 1354 * and makes sure that the range is not already a Chip. 1355 */ 1356 @Override 1357 protected void performFiltering(CharSequence text, int keyCode) { 1358 boolean isCompletedToken = isCompletedToken(text); 1359 if (enoughToFilter() && !isCompletedToken) { 1360 int end = getSelectionEnd(); 1361 int start = mTokenizer.findTokenStart(text, end); 1362 // If this is a RecipientChip, don't filter 1363 // on its contents. 1364 Spannable span = getSpannable(); 1365 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1366 if (chips != null && chips.length > 0) { 1367 return; 1368 } 1369 } else if (isCompletedToken) { 1370 return; 1371 } 1372 super.performFiltering(text, keyCode); 1373 } 1374 1375 // Visible for testing. 1376 /*package*/ boolean isCompletedToken(CharSequence text) { 1377 if (TextUtils.isEmpty(text)) { 1378 return false; 1379 } 1380 // Check to see if this is a completed token before filtering. 1381 int end = text.length(); 1382 int start = mTokenizer.findTokenStart(text, end); 1383 String token = text.toString().substring(start, end).trim(); 1384 if (!TextUtils.isEmpty(token)) { 1385 char atEnd = token.charAt(token.length() - 1); 1386 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1387 } 1388 return false; 1389 } 1390 1391 private void clearSelectedChip() { 1392 if (mSelectedChip != null) { 1393 unselectChip(mSelectedChip); 1394 mSelectedChip = null; 1395 } 1396 setCursorVisible(true); 1397 } 1398 1399 /** 1400 * Monitor touch events in the RecipientEditTextView. 1401 * If the view does not have focus, any tap on the view 1402 * will just focus the view. If the view has focus, determine 1403 * if the touch target is a recipient chip. If it is and the chip 1404 * is not selected, select it and clear any other selected chips. 1405 * If it isn't, then select that chip. 1406 */ 1407 @Override 1408 public boolean onTouchEvent(MotionEvent event) { 1409 if (!isFocused()) { 1410 // Ignore any chip taps until this view is focused. 1411 return super.onTouchEvent(event); 1412 } 1413 boolean handled = super.onTouchEvent(event); 1414 int action = event.getAction(); 1415 boolean chipWasSelected = false; 1416 if (mSelectedChip == null) { 1417 mGestureDetector.onTouchEvent(event); 1418 } 1419 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1420 float x = event.getX(); 1421 float y = event.getY(); 1422 int offset = putOffsetInRange(x, y); 1423 DrawableRecipientChip currentChip = findChip(offset); 1424 if (currentChip != null) { 1425 if (action == MotionEvent.ACTION_UP) { 1426 if (mSelectedChip != null && mSelectedChip != currentChip) { 1427 clearSelectedChip(); 1428 mSelectedChip = selectChip(currentChip); 1429 } else if (mSelectedChip == null) { 1430 setSelection(getText().length()); 1431 commitDefault(); 1432 mSelectedChip = selectChip(currentChip); 1433 } else { 1434 onClick(mSelectedChip, offset, x, y); 1435 } 1436 } 1437 chipWasSelected = true; 1438 handled = true; 1439 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1440 chipWasSelected = true; 1441 } 1442 } 1443 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1444 clearSelectedChip(); 1445 } 1446 return handled; 1447 } 1448 1449 private void scrollLineIntoView(int line) { 1450 if (mScrollView != null) { 1451 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1452 } 1453 } 1454 1455 private void showAlternates(final DrawableRecipientChip currentChip, 1456 final ListPopupWindow alternatesPopup, final int width) { 1457 new AsyncTask<Void, Void, ListAdapter>() { 1458 @Override 1459 protected ListAdapter doInBackground(final Void... params) { 1460 return createAlternatesAdapter(currentChip); 1461 } 1462 1463 @Override 1464 protected void onPostExecute(final ListAdapter result) { 1465 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1466 int bottom; 1467 if (line == getLineCount() -1) { 1468 bottom = 0; 1469 } else { 1470 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1471 .abs(getLineCount() - 1 - line))); 1472 } 1473 // Align the alternates popup with the left side of the View, 1474 // regardless of the position of the chip tapped. 1475 alternatesPopup.setWidth(width); 1476 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1477 alternatesPopup.setVerticalOffset(bottom); 1478 alternatesPopup.setAdapter(result); 1479 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1480 // Clear the checked item. 1481 mCheckedItem = -1; 1482 alternatesPopup.show(); 1483 ListView listView = alternatesPopup.getListView(); 1484 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1485 // Checked item would be -1 if the adapter has not 1486 // loaded the view that should be checked yet. The 1487 // variable will be set correctly when onCheckedItemChanged 1488 // is called in a separate thread. 1489 if (mCheckedItem != -1) { 1490 listView.setItemChecked(mCheckedItem, true); 1491 mCheckedItem = -1; 1492 } 1493 } 1494 }.execute((Void[]) null); 1495 } 1496 1497 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1498 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1499 getAdapter().getQueryType(), this); 1500 } 1501 1502 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1503 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1504 .getEntry()); 1505 } 1506 1507 @Override 1508 public void onCheckedItemChanged(int position) { 1509 ListView listView = mAlternatesPopup.getListView(); 1510 if (listView != null && listView.getCheckedItemCount() == 0) { 1511 listView.setItemChecked(position, true); 1512 } 1513 mCheckedItem = position; 1514 } 1515 1516 private int putOffsetInRange(final float x, final float y) { 1517 final int offset; 1518 1519 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1520 offset = getOffsetForPosition(x, y); 1521 } else { 1522 offset = supportGetOffsetForPosition(x, y); 1523 } 1524 1525 return putOffsetInRange(offset); 1526 } 1527 1528 // TODO: This algorithm will need a lot of tweaking after more people have used 1529 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1530 // what comes before the finger. 1531 private int putOffsetInRange(int o) { 1532 int offset = o; 1533 Editable text = getText(); 1534 int length = text.length(); 1535 // Remove whitespace from end to find "real end" 1536 int realLength = length; 1537 for (int i = length - 1; i >= 0; i--) { 1538 if (text.charAt(i) == ' ') { 1539 realLength--; 1540 } else { 1541 break; 1542 } 1543 } 1544 1545 // If the offset is beyond or at the end of the text, 1546 // leave it alone. 1547 if (offset >= realLength) { 1548 return offset; 1549 } 1550 Editable editable = getText(); 1551 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1552 // Keep walking backward! 1553 offset--; 1554 } 1555 return offset; 1556 } 1557 1558 private static int findText(Editable text, int offset) { 1559 if (text.charAt(offset) != ' ') { 1560 return offset; 1561 } 1562 return -1; 1563 } 1564 1565 private DrawableRecipientChip findChip(int offset) { 1566 DrawableRecipientChip[] chips = 1567 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1568 // Find the chip that contains this offset. 1569 for (int i = 0; i < chips.length; i++) { 1570 DrawableRecipientChip chip = chips[i]; 1571 int start = getChipStart(chip); 1572 int end = getChipEnd(chip); 1573 if (offset >= start && offset <= end) { 1574 return chip; 1575 } 1576 } 1577 return null; 1578 } 1579 1580 // Visible for testing. 1581 // Use this method to generate text to add to the list of addresses. 1582 /* package */String createAddressText(RecipientEntry entry) { 1583 String display = entry.getDisplayName(); 1584 String address = entry.getDestination(); 1585 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1586 display = null; 1587 } 1588 String trimmedDisplayText; 1589 if (isPhoneQuery() && isPhoneNumber(address)) { 1590 trimmedDisplayText = address.trim(); 1591 } else { 1592 if (address != null) { 1593 // Tokenize out the address in case the address already 1594 // contained the username as well. 1595 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1596 if (tokenized != null && tokenized.length > 0) { 1597 address = tokenized[0].getAddress(); 1598 } 1599 } 1600 Rfc822Token token = new Rfc822Token(display, address, null); 1601 trimmedDisplayText = token.toString().trim(); 1602 } 1603 int index = trimmedDisplayText.indexOf(","); 1604 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1605 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1606 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1607 } 1608 1609 // Visible for testing. 1610 // Use this method to generate text to display in a chip. 1611 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1612 String display = entry.getDisplayName(); 1613 String address = entry.getDestination(); 1614 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1615 display = null; 1616 } 1617 if (!TextUtils.isEmpty(display)) { 1618 return display; 1619 } else if (!TextUtils.isEmpty(address)){ 1620 return address; 1621 } else { 1622 return new Rfc822Token(display, address, null).toString(); 1623 } 1624 } 1625 1626 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1627 String displayText = createAddressText(entry); 1628 if (TextUtils.isEmpty(displayText)) { 1629 return null; 1630 } 1631 SpannableString chipText = null; 1632 // Always leave a blank space at the end of a chip. 1633 int textLength = displayText.length() - 1; 1634 chipText = new SpannableString(displayText); 1635 if (!mNoChips) { 1636 try { 1637 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1638 false /* leave space for contact icon */); 1639 chipText.setSpan(chip, 0, textLength, 1640 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1641 chip.setOriginalText(chipText.toString()); 1642 } catch (NullPointerException e) { 1643 Log.e(TAG, e.getMessage(), e); 1644 return null; 1645 } 1646 } 1647 return chipText; 1648 } 1649 1650 /** 1651 * When an item in the suggestions list has been clicked, create a chip from the 1652 * contact information of the selected item. 1653 */ 1654 @Override 1655 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1656 if (position < 0) { 1657 return; 1658 } 1659 submitItemAtPosition(position); 1660 } 1661 1662 private void submitItemAtPosition(int position) { 1663 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1664 if (entry == null) { 1665 return; 1666 } 1667 clearComposingText(); 1668 1669 int end = getSelectionEnd(); 1670 int start = mTokenizer.findTokenStart(getText(), end); 1671 1672 Editable editable = getText(); 1673 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1674 CharSequence chip = createChip(entry, false); 1675 if (chip != null && start >= 0 && end >= 0) { 1676 editable.replace(start, end, chip); 1677 } 1678 sanitizeBetween(); 1679 } 1680 1681 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1682 if (item == null) { 1683 return null; 1684 } 1685 final RecipientEntry entry; 1686 // If the display name and the address are the same, or if this is a 1687 // valid contact, but the destination is invalid, then make this a fake 1688 // recipient that is editable. 1689 String destination = item.getDestination(); 1690 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1691 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1692 destination, item.isValid()); 1693 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1694 && (TextUtils.isEmpty(item.getDisplayName()) 1695 || TextUtils.equals(item.getDisplayName(), destination) 1696 || (mValidator != null && !mValidator.isValid(destination)))) { 1697 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1698 } else { 1699 entry = item; 1700 } 1701 return entry; 1702 } 1703 1704 /** Returns a collection of contact Id for each chip inside this View. */ 1705 /* package */ Collection<Long> getContactIds() { 1706 final Set<Long> result = new HashSet<Long>(); 1707 DrawableRecipientChip[] chips = getSortedRecipients(); 1708 if (chips != null) { 1709 for (DrawableRecipientChip chip : chips) { 1710 result.add(chip.getContactId()); 1711 } 1712 } 1713 return result; 1714 } 1715 1716 1717 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1718 /* package */ Collection<Long> getDataIds() { 1719 final Set<Long> result = new HashSet<Long>(); 1720 DrawableRecipientChip [] chips = getSortedRecipients(); 1721 if (chips != null) { 1722 for (DrawableRecipientChip chip : chips) { 1723 result.add(chip.getDataId()); 1724 } 1725 } 1726 return result; 1727 } 1728 1729 // Visible for testing. 1730 /* package */DrawableRecipientChip[] getSortedRecipients() { 1731 DrawableRecipientChip[] recips = getSpannable() 1732 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1733 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1734 Arrays.asList(recips)); 1735 final Spannable spannable = getSpannable(); 1736 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1737 1738 @Override 1739 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1740 int firstStart = spannable.getSpanStart(first); 1741 int secondStart = spannable.getSpanStart(second); 1742 if (firstStart < secondStart) { 1743 return -1; 1744 } else if (firstStart > secondStart) { 1745 return 1; 1746 } else { 1747 return 0; 1748 } 1749 } 1750 }); 1751 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1752 } 1753 1754 @Override 1755 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1756 return false; 1757 } 1758 1759 @Override 1760 public void onDestroyActionMode(ActionMode mode) { 1761 } 1762 1763 @Override 1764 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1765 return false; 1766 } 1767 1768 /** 1769 * No chips are selectable. 1770 */ 1771 @Override 1772 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1773 return false; 1774 } 1775 1776 // Visible for testing. 1777 /* package */ImageSpan getMoreChip() { 1778 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1779 MoreImageSpan.class); 1780 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1781 } 1782 1783 private MoreImageSpan createMoreSpan(int count) { 1784 String moreText = String.format(mMoreItem.getText().toString(), count); 1785 TextPaint morePaint = new TextPaint(getPaint()); 1786 morePaint.setTextSize(mMoreItem.getTextSize()); 1787 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1788 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1789 + mMoreItem.getPaddingRight(); 1790 int height = getLineHeight(); 1791 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1792 Canvas canvas = new Canvas(drawable); 1793 int adjustedHeight = height; 1794 Layout layout = getLayout(); 1795 if (layout != null) { 1796 adjustedHeight -= layout.getLineDescent(0); 1797 } 1798 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1799 1800 Drawable result = new BitmapDrawable(getResources(), drawable); 1801 result.setBounds(0, 0, width, height); 1802 return new MoreImageSpan(result); 1803 } 1804 1805 // Visible for testing. 1806 /*package*/ void createMoreChipPlainText() { 1807 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1808 Editable text = getText(); 1809 int start = 0; 1810 int end = start; 1811 for (int i = 0; i < CHIP_LIMIT; i++) { 1812 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1813 start = end; // move to the next token and get its end. 1814 } 1815 // Now, count total addresses. 1816 start = 0; 1817 int tokenCount = countTokens(text); 1818 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1819 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1820 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1821 text.replace(end, text.length(), chipText); 1822 mMoreChip = moreSpan; 1823 } 1824 1825 // Visible for testing. 1826 /* package */int countTokens(Editable text) { 1827 int tokenCount = 0; 1828 int start = 0; 1829 while (start < text.length()) { 1830 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1831 tokenCount++; 1832 if (start >= text.length()) { 1833 break; 1834 } 1835 } 1836 return tokenCount; 1837 } 1838 1839 /** 1840 * Create the more chip. The more chip is text that replaces any chips that 1841 * do not fit in the pre-defined available space when the 1842 * RecipientEditTextView loses focus. 1843 */ 1844 // Visible for testing. 1845 /* package */ void createMoreChip() { 1846 if (mNoChips) { 1847 createMoreChipPlainText(); 1848 return; 1849 } 1850 1851 if (!mShouldShrink) { 1852 return; 1853 } 1854 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1855 if (tempMore.length > 0) { 1856 getSpannable().removeSpan(tempMore[0]); 1857 } 1858 DrawableRecipientChip[] recipients = getSortedRecipients(); 1859 1860 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1861 mMoreChip = null; 1862 return; 1863 } 1864 Spannable spannable = getSpannable(); 1865 int numRecipients = recipients.length; 1866 int overage = numRecipients - CHIP_LIMIT; 1867 MoreImageSpan moreSpan = createMoreSpan(overage); 1868 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1869 int totalReplaceStart = 0; 1870 int totalReplaceEnd = 0; 1871 Editable text = getText(); 1872 for (int i = numRecipients - overage; i < recipients.length; i++) { 1873 mRemovedSpans.add(recipients[i]); 1874 if (i == numRecipients - overage) { 1875 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1876 } 1877 if (i == recipients.length - 1) { 1878 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1879 } 1880 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1881 int spanStart = spannable.getSpanStart(recipients[i]); 1882 int spanEnd = spannable.getSpanEnd(recipients[i]); 1883 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1884 } 1885 spannable.removeSpan(recipients[i]); 1886 } 1887 if (totalReplaceEnd < text.length()) { 1888 totalReplaceEnd = text.length(); 1889 } 1890 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1891 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1892 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1893 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1894 text.replace(start, end, chipText); 1895 mMoreChip = moreSpan; 1896 // If adding the +more chip goes over the limit, resize accordingly. 1897 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1898 setMaxLines(getLineCount()); 1899 } 1900 } 1901 1902 /** 1903 * Replace the more chip, if it exists, with all of the recipient chips it had 1904 * replaced when the RecipientEditTextView gains focus. 1905 */ 1906 // Visible for testing. 1907 /*package*/ void removeMoreChip() { 1908 if (mMoreChip != null) { 1909 Spannable span = getSpannable(); 1910 span.removeSpan(mMoreChip); 1911 mMoreChip = null; 1912 // Re-add the spans that were removed. 1913 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1914 // Recreate each removed span. 1915 DrawableRecipientChip[] recipients = getSortedRecipients(); 1916 // Start the search for tokens after the last currently visible 1917 // chip. 1918 if (recipients == null || recipients.length == 0) { 1919 return; 1920 } 1921 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1922 Editable editable = getText(); 1923 for (DrawableRecipientChip chip : mRemovedSpans) { 1924 int chipStart; 1925 int chipEnd; 1926 String token; 1927 // Need to find the location of the chip, again. 1928 token = (String) chip.getOriginalText(); 1929 // As we find the matching recipient for the remove spans, 1930 // reduce the size of the string we need to search. 1931 // That way, if there are duplicates, we always find the correct 1932 // recipient. 1933 chipStart = editable.toString().indexOf(token, end); 1934 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1935 // Only set the span if we found a matching token. 1936 if (chipStart != -1) { 1937 editable.setSpan(chip, chipStart, chipEnd, 1938 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1939 } 1940 } 1941 mRemovedSpans.clear(); 1942 } 1943 } 1944 } 1945 1946 /** 1947 * Show specified chip as selected. If the RecipientChip is just an email address, 1948 * selecting the chip will take the contents of the chip and place it at 1949 * the end of the RecipientEditTextView for inline editing. If the 1950 * RecipientChip is a complete contact, then selecting the chip 1951 * will change the background color of the chip, show the delete icon, 1952 * and a popup window with the address in use highlighted and any other 1953 * alternate addresses for the contact. 1954 * @param currentChip Chip to select. 1955 * @return A RecipientChip in the selected state or null if the chip 1956 * just contained an email address. 1957 */ 1958 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 1959 if (shouldShowEditableText(currentChip)) { 1960 CharSequence text = currentChip.getValue(); 1961 Editable editable = getText(); 1962 Spannable spannable = getSpannable(); 1963 int spanStart = spannable.getSpanStart(currentChip); 1964 int spanEnd = spannable.getSpanEnd(currentChip); 1965 spannable.removeSpan(currentChip); 1966 editable.delete(spanStart, spanEnd); 1967 setCursorVisible(true); 1968 setSelection(editable.length()); 1969 editable.append(text); 1970 return constructChipSpan( 1971 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1972 true, false); 1973 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1974 int start = getChipStart(currentChip); 1975 int end = getChipEnd(currentChip); 1976 getSpannable().removeSpan(currentChip); 1977 DrawableRecipientChip newChip; 1978 try { 1979 if (mNoChips) { 1980 return null; 1981 } 1982 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1983 } catch (NullPointerException e) { 1984 Log.e(TAG, e.getMessage(), e); 1985 return null; 1986 } 1987 Editable editable = getText(); 1988 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1989 if (start == -1 || end == -1) { 1990 Log.d(TAG, "The chip being selected no longer exists but should."); 1991 } else { 1992 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1993 } 1994 newChip.setSelected(true); 1995 if (shouldShowEditableText(newChip)) { 1996 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1997 } 1998 showAddress(newChip, mAddressPopup, getWidth()); 1999 setCursorVisible(false); 2000 return newChip; 2001 } else { 2002 int start = getChipStart(currentChip); 2003 int end = getChipEnd(currentChip); 2004 getSpannable().removeSpan(currentChip); 2005 DrawableRecipientChip newChip; 2006 try { 2007 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2008 } catch (NullPointerException e) { 2009 Log.e(TAG, e.getMessage(), e); 2010 return null; 2011 } 2012 Editable editable = getText(); 2013 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2014 if (start == -1 || end == -1) { 2015 Log.d(TAG, "The chip being selected no longer exists but should."); 2016 } else { 2017 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2018 } 2019 newChip.setSelected(true); 2020 if (shouldShowEditableText(newChip)) { 2021 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2022 } 2023 showAlternates(newChip, mAlternatesPopup, getWidth()); 2024 setCursorVisible(false); 2025 return newChip; 2026 } 2027 } 2028 2029 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2030 long contactId = currentChip.getContactId(); 2031 return contactId == RecipientEntry.INVALID_CONTACT 2032 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2033 } 2034 2035 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2036 int width) { 2037 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2038 int bottom = calculateOffsetFromBottom(line); 2039 // Align the alternates popup with the left side of the View, 2040 // regardless of the position of the chip tapped. 2041 popup.setWidth(width); 2042 popup.setAnchorView(this); 2043 popup.setVerticalOffset(bottom); 2044 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2045 popup.setOnItemClickListener(new OnItemClickListener() { 2046 @Override 2047 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2048 unselectChip(currentChip); 2049 popup.dismiss(); 2050 } 2051 }); 2052 popup.show(); 2053 ListView listView = popup.getListView(); 2054 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2055 listView.setItemChecked(0, true); 2056 } 2057 2058 /** 2059 * Remove selection from this chip. Unselecting a RecipientChip will render 2060 * the chip without a delete icon and with an unfocused background. This is 2061 * called when the RecipientChip no longer has focus. 2062 */ 2063 private void unselectChip(DrawableRecipientChip chip) { 2064 int start = getChipStart(chip); 2065 int end = getChipEnd(chip); 2066 Editable editable = getText(); 2067 mSelectedChip = null; 2068 if (start == -1 || end == -1) { 2069 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2070 setSelection(editable.length()); 2071 commitDefault(); 2072 } else { 2073 getSpannable().removeSpan(chip); 2074 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2075 editable.removeSpan(chip); 2076 try { 2077 if (!mNoChips) { 2078 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2079 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2080 } 2081 } catch (NullPointerException e) { 2082 Log.e(TAG, e.getMessage(), e); 2083 } 2084 } 2085 setCursorVisible(true); 2086 setSelection(editable.length()); 2087 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2088 mAlternatesPopup.dismiss(); 2089 } 2090 } 2091 2092 /** 2093 * Return whether a touch event was inside the delete target of 2094 * a selected chip. It is in the delete target if: 2095 * 1) the x and y points of the event are within the 2096 * delete assset. 2097 * 2) the point tapped would have caused a cursor to appear 2098 * right after the selected chip. 2099 * @return boolean 2100 */ 2101 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2102 // Figure out the bounds of this chip and whether or not 2103 // the user clicked in the X portion. 2104 // TODO: Should x and y be used, or removed? 2105 return chip.isSelected() && offset == getChipEnd(chip); 2106 } 2107 2108 /** 2109 * Remove the chip and any text associated with it from the RecipientEditTextView. 2110 */ 2111 // Visible for testing. 2112 /*pacakge*/ void removeChip(DrawableRecipientChip chip) { 2113 Spannable spannable = getSpannable(); 2114 int spanStart = spannable.getSpanStart(chip); 2115 int spanEnd = spannable.getSpanEnd(chip); 2116 Editable text = getText(); 2117 int toDelete = spanEnd; 2118 boolean wasSelected = chip == mSelectedChip; 2119 // Clear that there is a selected chip before updating any text. 2120 if (wasSelected) { 2121 mSelectedChip = null; 2122 } 2123 // Always remove trailing spaces when removing a chip. 2124 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2125 toDelete++; 2126 } 2127 spannable.removeSpan(chip); 2128 if (spanStart >= 0 && toDelete > 0) { 2129 text.delete(spanStart, toDelete); 2130 } 2131 if (wasSelected) { 2132 clearSelectedChip(); 2133 } 2134 } 2135 2136 /** 2137 * Replace this currently selected chip with a new chip 2138 * that uses the contact data provided. 2139 */ 2140 // Visible for testing. 2141 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2142 boolean wasSelected = chip == mSelectedChip; 2143 if (wasSelected) { 2144 mSelectedChip = null; 2145 } 2146 int start = getChipStart(chip); 2147 int end = getChipEnd(chip); 2148 getSpannable().removeSpan(chip); 2149 Editable editable = getText(); 2150 CharSequence chipText = createChip(entry, false); 2151 if (chipText != null) { 2152 if (start == -1 || end == -1) { 2153 Log.e(TAG, "The chip to replace does not exist but should."); 2154 editable.insert(0, chipText); 2155 } else { 2156 if (!TextUtils.isEmpty(chipText)) { 2157 // There may be a space to replace with this chip's new 2158 // associated space. Check for it 2159 int toReplace = end; 2160 while (toReplace >= 0 && toReplace < editable.length() 2161 && editable.charAt(toReplace) == ' ') { 2162 toReplace++; 2163 } 2164 editable.replace(start, toReplace, chipText); 2165 } 2166 } 2167 } 2168 setCursorVisible(true); 2169 if (wasSelected) { 2170 clearSelectedChip(); 2171 } 2172 } 2173 2174 /** 2175 * Handle click events for a chip. When a selected chip receives a click 2176 * event, see if that event was in the delete icon. If so, delete it. 2177 * Otherwise, unselect the chip. 2178 */ 2179 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2180 if (chip.isSelected()) { 2181 if (isInDelete(chip, offset, x, y)) { 2182 removeChip(chip); 2183 } else { 2184 clearSelectedChip(); 2185 } 2186 } 2187 } 2188 2189 private boolean chipsPending() { 2190 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2191 } 2192 2193 @Override 2194 public void removeTextChangedListener(TextWatcher watcher) { 2195 mTextWatcher = null; 2196 super.removeTextChangedListener(watcher); 2197 } 2198 2199 private class RecipientTextWatcher implements TextWatcher { 2200 2201 @Override 2202 public void afterTextChanged(Editable s) { 2203 // If the text has been set to null or empty, make sure we remove 2204 // all the spans we applied. 2205 if (TextUtils.isEmpty(s)) { 2206 // Remove all the chips spans. 2207 Spannable spannable = getSpannable(); 2208 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2209 DrawableRecipientChip.class); 2210 for (DrawableRecipientChip chip : chips) { 2211 spannable.removeSpan(chip); 2212 } 2213 if (mMoreChip != null) { 2214 spannable.removeSpan(mMoreChip); 2215 } 2216 return; 2217 } 2218 // Get whether there are any recipients pending addition to the 2219 // view. If there are, don't do anything in the text watcher. 2220 if (chipsPending()) { 2221 return; 2222 } 2223 // If the user is editing a chip, don't clear it. 2224 if (mSelectedChip != null) { 2225 if (!isGeneratedContact(mSelectedChip)) { 2226 setCursorVisible(true); 2227 setSelection(getText().length()); 2228 clearSelectedChip(); 2229 } else { 2230 return; 2231 } 2232 } 2233 int length = s.length(); 2234 // Make sure there is content there to parse and that it is 2235 // not just the commit character. 2236 if (length > 1) { 2237 if (lastCharacterIsCommitCharacter(s)) { 2238 commitByCharacter(); 2239 return; 2240 } 2241 char last; 2242 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2243 int len = length() - 1; 2244 if (end != len) { 2245 last = s.charAt(end); 2246 } else { 2247 last = s.charAt(len); 2248 } 2249 if (last == COMMIT_CHAR_SPACE) { 2250 if (!isPhoneQuery()) { 2251 // Check if this is a valid email address. If it is, 2252 // commit it. 2253 String text = getText().toString(); 2254 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2255 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2256 tokenStart)); 2257 if (!TextUtils.isEmpty(sub) && mValidator != null && 2258 mValidator.isValid(sub)) { 2259 commitByCharacter(); 2260 } 2261 } 2262 } 2263 } 2264 } 2265 2266 @Override 2267 public void onTextChanged(CharSequence s, int start, int before, int count) { 2268 // The user deleted some text OR some text was replaced; check to 2269 // see if the insertion point is on a space 2270 // following a chip. 2271 if (before - count == 1) { 2272 // If the item deleted is a space, and the thing before the 2273 // space is a chip, delete the entire span. 2274 int selStart = getSelectionStart(); 2275 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2276 DrawableRecipientChip.class); 2277 if (repl.length > 0) { 2278 // There is a chip there! Just remove it. 2279 Editable editable = getText(); 2280 // Add the separator token. 2281 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2282 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2283 tokenEnd = tokenEnd + 1; 2284 if (tokenEnd > editable.length()) { 2285 tokenEnd = editable.length(); 2286 } 2287 editable.delete(tokenStart, tokenEnd); 2288 getSpannable().removeSpan(repl[0]); 2289 } 2290 } else if (count > before) { 2291 if (mSelectedChip != null 2292 && isGeneratedContact(mSelectedChip)) { 2293 if (lastCharacterIsCommitCharacter(s)) { 2294 commitByCharacter(); 2295 return; 2296 } 2297 } 2298 } 2299 } 2300 2301 @Override 2302 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2303 // Do nothing. 2304 } 2305 } 2306 2307 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2308 char last; 2309 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2310 int len = length() - 1; 2311 if (end != len) { 2312 last = s.charAt(end); 2313 } else { 2314 last = s.charAt(len); 2315 } 2316 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2317 } 2318 2319 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2320 long contactId = chip.getContactId(); 2321 return contactId == RecipientEntry.INVALID_CONTACT 2322 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2323 } 2324 2325 /** 2326 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2327 */ 2328 private void handlePasteClip(ClipData clip) { 2329 removeTextChangedListener(mTextWatcher); 2330 2331 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2332 for (int i = 0; i < clip.getItemCount(); i++) { 2333 CharSequence paste = clip.getItemAt(i).getText(); 2334 if (paste != null) { 2335 int start = getSelectionStart(); 2336 int end = getSelectionEnd(); 2337 Editable editable = getText(); 2338 if (start >= 0 && end >= 0 && start != end) { 2339 editable.append(paste, start, end); 2340 } else { 2341 editable.insert(end, paste); 2342 } 2343 handlePasteAndReplace(); 2344 } 2345 } 2346 } 2347 2348 mHandler.post(mAddTextWatcher); 2349 } 2350 2351 @Override 2352 public boolean onTextContextMenuItem(int id) { 2353 if (id == android.R.id.paste) { 2354 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2355 Context.CLIPBOARD_SERVICE); 2356 handlePasteClip(clipboard.getPrimaryClip()); 2357 return true; 2358 } 2359 return super.onTextContextMenuItem(id); 2360 } 2361 2362 private void handlePasteAndReplace() { 2363 ArrayList<DrawableRecipientChip> created = handlePaste(); 2364 if (created != null && created.size() > 0) { 2365 // Perform reverse lookups on the pasted contacts. 2366 IndividualReplacementTask replace = new IndividualReplacementTask(); 2367 replace.execute(created); 2368 } 2369 } 2370 2371 // Visible for testing. 2372 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2373 String text = getText().toString(); 2374 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2375 String lastAddress = text.substring(originalTokenStart); 2376 int tokenStart = originalTokenStart; 2377 int prevTokenStart = 0; 2378 DrawableRecipientChip findChip = null; 2379 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2380 if (tokenStart != 0) { 2381 // There are things before this! 2382 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2383 prevTokenStart = tokenStart; 2384 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2385 findChip = findChip(tokenStart); 2386 if (tokenStart == originalTokenStart && findChip == null) { 2387 break; 2388 } 2389 } 2390 if (tokenStart != originalTokenStart) { 2391 if (findChip != null) { 2392 tokenStart = prevTokenStart; 2393 } 2394 int tokenEnd; 2395 DrawableRecipientChip createdChip; 2396 while (tokenStart < originalTokenStart) { 2397 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2398 tokenStart)); 2399 commitChip(tokenStart, tokenEnd, getText()); 2400 createdChip = findChip(tokenStart); 2401 if (createdChip == null) { 2402 break; 2403 } 2404 // +1 for the space at the end. 2405 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2406 created.add(createdChip); 2407 } 2408 } 2409 } 2410 // Take a look at the last token. If the token has been completed with a 2411 // commit character, create a chip. 2412 if (isCompletedToken(lastAddress)) { 2413 Editable editable = getText(); 2414 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2415 commitChip(tokenStart, editable.length(), editable); 2416 created.add(findChip(tokenStart)); 2417 } 2418 return created; 2419 } 2420 2421 // Visible for testing. 2422 /* package */int movePastTerminators(int tokenEnd) { 2423 if (tokenEnd >= length()) { 2424 return tokenEnd; 2425 } 2426 char atEnd = getText().toString().charAt(tokenEnd); 2427 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2428 tokenEnd++; 2429 } 2430 // This token had not only an end token character, but also a space 2431 // separating it from the next token. 2432 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2433 tokenEnd++; 2434 } 2435 return tokenEnd; 2436 } 2437 2438 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2439 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2440 try { 2441 if (mNoChips) { 2442 return null; 2443 } 2444 return constructChipSpan(entry, false, 2445 false /*leave space for contact icon */); 2446 } catch (NullPointerException e) { 2447 Log.e(TAG, e.getMessage(), e); 2448 return null; 2449 } 2450 } 2451 2452 @Override 2453 protected void onPreExecute() { 2454 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2455 // replaced 2456 final List<DrawableRecipientChip> originalRecipients = 2457 new ArrayList<DrawableRecipientChip>(); 2458 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2459 for (int i = 0; i < existingChips.length; i++) { 2460 originalRecipients.add(existingChips[i]); 2461 } 2462 if (mRemovedSpans != null) { 2463 originalRecipients.addAll(mRemovedSpans); 2464 } 2465 2466 final List<DrawableRecipientChip> replacements = 2467 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2468 2469 for (final DrawableRecipientChip chip : originalRecipients) { 2470 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2471 && getSpannable().getSpanStart(chip) != -1) { 2472 replacements.add(createFreeChip(chip.getEntry())); 2473 } else { 2474 replacements.add(null); 2475 } 2476 } 2477 2478 processReplacements(originalRecipients, replacements); 2479 } 2480 2481 @Override 2482 protected Void doInBackground(Void... params) { 2483 if (mIndividualReplacements != null) { 2484 mIndividualReplacements.cancel(true); 2485 } 2486 // For each chip in the list, look up the matching contact. 2487 // If there is a match, replace that chip with the matching 2488 // chip. 2489 final ArrayList<DrawableRecipientChip> recipients = 2490 new ArrayList<DrawableRecipientChip>(); 2491 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2492 for (int i = 0; i < existingChips.length; i++) { 2493 recipients.add(existingChips[i]); 2494 } 2495 if (mRemovedSpans != null) { 2496 recipients.addAll(mRemovedSpans); 2497 } 2498 ArrayList<String> addresses = new ArrayList<String>(); 2499 DrawableRecipientChip chip; 2500 for (int i = 0; i < recipients.size(); i++) { 2501 chip = recipients.get(i); 2502 if (chip != null) { 2503 addresses.add(createAddressText(chip.getEntry())); 2504 } 2505 } 2506 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2507 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2508 adapter.getAccount(), new RecipientMatchCallback() { 2509 @Override 2510 public void matchesFound(Map<String, RecipientEntry> entries) { 2511 final ArrayList<DrawableRecipientChip> replacements = 2512 new ArrayList<DrawableRecipientChip>(); 2513 for (final DrawableRecipientChip temp : recipients) { 2514 RecipientEntry entry = null; 2515 if (temp != null && RecipientEntry.isCreatedRecipient( 2516 temp.getEntry().getContactId()) 2517 && getSpannable().getSpanStart(temp) != -1) { 2518 // Replace this. 2519 entry = createValidatedEntry( 2520 entries.get(tokenizeAddress(temp.getEntry() 2521 .getDestination()))); 2522 } 2523 if (entry != null) { 2524 replacements.add(createFreeChip(entry)); 2525 } else { 2526 replacements.add(null); 2527 } 2528 } 2529 processReplacements(recipients, replacements); 2530 } 2531 2532 @Override 2533 public void matchesNotFound(final Set<String> unfoundAddresses) { 2534 final List<DrawableRecipientChip> replacements = 2535 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2536 2537 for (final DrawableRecipientChip temp : recipients) { 2538 if (temp != null && RecipientEntry.isCreatedRecipient( 2539 temp.getEntry().getContactId()) 2540 && getSpannable().getSpanStart(temp) != -1) { 2541 if (unfoundAddresses.contains( 2542 temp.getEntry().getDestination())) { 2543 replacements.add(createFreeChip(temp.getEntry())); 2544 } else { 2545 replacements.add(null); 2546 } 2547 } else { 2548 replacements.add(null); 2549 } 2550 } 2551 2552 processReplacements(recipients, replacements); 2553 } 2554 }); 2555 return null; 2556 } 2557 2558 private void processReplacements(final List<DrawableRecipientChip> recipients, 2559 final List<DrawableRecipientChip> replacements) { 2560 if (replacements != null && replacements.size() > 0) { 2561 final Runnable runnable = new Runnable() { 2562 @Override 2563 public void run() { 2564 final Editable text = new SpannableStringBuilder(getText()); 2565 int i = 0; 2566 for (final DrawableRecipientChip chip : recipients) { 2567 final DrawableRecipientChip replacement = replacements.get(i); 2568 if (replacement != null) { 2569 final RecipientEntry oldEntry = chip.getEntry(); 2570 final RecipientEntry newEntry = replacement.getEntry(); 2571 final boolean isBetter = 2572 RecipientAlternatesAdapter.getBetterRecipient( 2573 oldEntry, newEntry) == newEntry; 2574 2575 if (isBetter) { 2576 // Find the location of the chip in the text currently shown. 2577 final int start = text.getSpanStart(chip); 2578 if (start != -1) { 2579 // Replacing the entirety of what the chip represented, 2580 // including the extra space dividing it from other chips. 2581 final int end = 2582 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2583 text.removeSpan(chip); 2584 // Make sure we always have just 1 space at the end to 2585 // separate this chip from the next chip. 2586 final SpannableString displayText = 2587 new SpannableString(createAddressText( 2588 replacement.getEntry()).trim() + " "); 2589 displayText.setSpan(replacement, 0, 2590 displayText.length() - 1, 2591 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2592 // Replace the old text we found with with the new display 2593 // text, which now may also contain the display name of the 2594 // recipient. 2595 text.replace(start, end, displayText); 2596 replacement.setOriginalText(displayText.toString()); 2597 replacements.set(i, null); 2598 2599 recipients.set(i, replacement); 2600 } 2601 } 2602 } 2603 i++; 2604 } 2605 setText(text); 2606 } 2607 }; 2608 2609 if (Looper.myLooper() == Looper.getMainLooper()) { 2610 runnable.run(); 2611 } else { 2612 mHandler.post(runnable); 2613 } 2614 } 2615 } 2616 } 2617 2618 private class IndividualReplacementTask 2619 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2620 @Override 2621 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2622 // For each chip in the list, look up the matching contact. 2623 // If there is a match, replace that chip with the matching 2624 // chip. 2625 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2626 ArrayList<String> addresses = new ArrayList<String>(); 2627 DrawableRecipientChip chip; 2628 for (int i = 0; i < originalRecipients.size(); i++) { 2629 chip = originalRecipients.get(i); 2630 if (chip != null) { 2631 addresses.add(createAddressText(chip.getEntry())); 2632 } 2633 } 2634 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2635 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2636 adapter.getAccount(), 2637 new RecipientMatchCallback() { 2638 2639 @Override 2640 public void matchesFound(Map<String, RecipientEntry> entries) { 2641 for (final DrawableRecipientChip temp : originalRecipients) { 2642 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2643 .getContactId()) 2644 && getSpannable().getSpanStart(temp) != -1) { 2645 // Replace this. 2646 final RecipientEntry entry = createValidatedEntry(entries 2647 .get(tokenizeAddress(temp.getEntry().getDestination()) 2648 .toLowerCase())); 2649 if (entry != null) { 2650 mHandler.post(new Runnable() { 2651 @Override 2652 public void run() { 2653 replaceChip(temp, entry); 2654 } 2655 }); 2656 } 2657 } 2658 } 2659 } 2660 2661 @Override 2662 public void matchesNotFound(final Set<String> unfoundAddresses) { 2663 // No action required 2664 } 2665 }); 2666 return null; 2667 } 2668 } 2669 2670 2671 /** 2672 * MoreImageSpan is a simple class created for tracking the existence of a 2673 * more chip across activity restarts/ 2674 */ 2675 private class MoreImageSpan extends ImageSpan { 2676 public MoreImageSpan(Drawable b) { 2677 super(b); 2678 } 2679 } 2680 2681 @Override 2682 public boolean onDown(MotionEvent e) { 2683 return false; 2684 } 2685 2686 @Override 2687 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2688 // Do nothing. 2689 return false; 2690 } 2691 2692 @Override 2693 public void onLongPress(MotionEvent event) { 2694 if (mSelectedChip != null) { 2695 return; 2696 } 2697 float x = event.getX(); 2698 float y = event.getY(); 2699 final int offset = putOffsetInRange(x, y); 2700 DrawableRecipientChip currentChip = findChip(offset); 2701 if (currentChip != null) { 2702 if (mDragEnabled) { 2703 // Start drag-and-drop for the selected chip. 2704 startDrag(currentChip); 2705 } else { 2706 // Copy the selected chip email address. 2707 showCopyDialog(currentChip.getEntry().getDestination()); 2708 } 2709 } 2710 } 2711 2712 // The following methods are used to provide some functionality on older versions of Android 2713 // These methods were copied out of JB MR2's TextView 2714 ///////////////////////////////////////////////// 2715 private int supportGetOffsetForPosition(float x, float y) { 2716 if (getLayout() == null) return -1; 2717 final int line = supportGetLineAtCoordinate(y); 2718 final int offset = supportGetOffsetAtCoordinate(line, x); 2719 return offset; 2720 } 2721 2722 private float supportConvertToLocalHorizontalCoordinate(float x) { 2723 x -= getTotalPaddingLeft(); 2724 // Clamp the position to inside of the view. 2725 x = Math.max(0.0f, x); 2726 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2727 x += getScrollX(); 2728 return x; 2729 } 2730 2731 private int supportGetLineAtCoordinate(float y) { 2732 y -= getTotalPaddingLeft(); 2733 // Clamp the position to inside of the view. 2734 y = Math.max(0.0f, y); 2735 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2736 y += getScrollY(); 2737 return getLayout().getLineForVertical((int) y); 2738 } 2739 2740 private int supportGetOffsetAtCoordinate(int line, float x) { 2741 x = supportConvertToLocalHorizontalCoordinate(x); 2742 return getLayout().getOffsetForHorizontal(line, x); 2743 } 2744 ///////////////////////////////////////////////// 2745 2746 /** 2747 * Enables drag-and-drop for chips. 2748 */ 2749 public void enableDrag() { 2750 mDragEnabled = true; 2751 } 2752 2753 /** 2754 * Starts drag-and-drop for the selected chip. 2755 */ 2756 private void startDrag(DrawableRecipientChip currentChip) { 2757 String address = currentChip.getEntry().getDestination(); 2758 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2759 2760 // Start drag mode. 2761 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2762 2763 // Remove the current chip, so drag-and-drop will result in a move. 2764 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2765 removeChip(currentChip); 2766 } 2767 2768 /** 2769 * Handles drag event. 2770 */ 2771 @Override 2772 public boolean onDragEvent(DragEvent event) { 2773 switch (event.getAction()) { 2774 case DragEvent.ACTION_DRAG_STARTED: 2775 // Only handle plain text drag and drop. 2776 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2777 case DragEvent.ACTION_DRAG_ENTERED: 2778 requestFocus(); 2779 return true; 2780 case DragEvent.ACTION_DROP: 2781 handlePasteClip(event.getClipData()); 2782 return true; 2783 } 2784 return false; 2785 } 2786 2787 /** 2788 * Drag shadow for a {@link RecipientChip}. 2789 */ 2790 private final class RecipientChipShadow extends DragShadowBuilder { 2791 private final DrawableRecipientChip mChip; 2792 2793 public RecipientChipShadow(DrawableRecipientChip chip) { 2794 mChip = chip; 2795 } 2796 2797 @Override 2798 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2799 Rect rect = mChip.getBounds(); 2800 shadowSize.set(rect.width(), rect.height()); 2801 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2802 } 2803 2804 @Override 2805 public void onDrawShadow(Canvas canvas) { 2806 mChip.draw(canvas); 2807 } 2808 } 2809 2810 private void showCopyDialog(final String address) { 2811 mCopyAddress = address; 2812 mCopyDialog.setTitle(address); 2813 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2814 mCopyDialog.setCancelable(true); 2815 mCopyDialog.setCanceledOnTouchOutside(true); 2816 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2817 button.setOnClickListener(this); 2818 int btnTitleId; 2819 if (isPhoneQuery()) { 2820 btnTitleId = R.string.copy_number; 2821 } else { 2822 btnTitleId = R.string.copy_email; 2823 } 2824 String buttonTitle = getContext().getResources().getString(btnTitleId); 2825 button.setText(buttonTitle); 2826 mCopyDialog.setOnDismissListener(this); 2827 mCopyDialog.show(); 2828 } 2829 2830 @Override 2831 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2832 // Do nothing. 2833 return false; 2834 } 2835 2836 @Override 2837 public void onShowPress(MotionEvent e) { 2838 // Do nothing. 2839 } 2840 2841 @Override 2842 public boolean onSingleTapUp(MotionEvent e) { 2843 // Do nothing. 2844 return false; 2845 } 2846 2847 @Override 2848 public void onDismiss(DialogInterface dialog) { 2849 mCopyAddress = null; 2850 } 2851 2852 @Override 2853 public void onClick(View v) { 2854 // Copy this to the clipboard. 2855 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2856 Context.CLIPBOARD_SERVICE); 2857 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2858 mCopyDialog.dismiss(); 2859 } 2860 2861 protected boolean isPhoneQuery() { 2862 return getAdapter() != null 2863 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2864 } 2865 2866 @Override 2867 public BaseRecipientAdapter getAdapter() { 2868 return (BaseRecipientAdapter) super.getAdapter(); 2869 } 2870} 2871