RecipientEditTextView.java revision e5d82228c1960115e31f67eb6a3a254d6902e3c5
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.content.res.Resources; 27import android.content.res.TypedArray; 28import android.graphics.Bitmap; 29import android.graphics.BitmapFactory; 30import android.graphics.Canvas; 31import android.graphics.Matrix; 32import android.graphics.Point; 33import android.graphics.Rect; 34import android.graphics.RectF; 35import android.graphics.drawable.BitmapDrawable; 36import android.graphics.drawable.Drawable; 37import android.os.AsyncTask; 38import android.os.Handler; 39import android.os.Looper; 40import android.os.Message; 41import android.os.Parcelable; 42import android.text.Editable; 43import android.text.InputType; 44import android.text.Layout; 45import android.text.Spannable; 46import android.text.SpannableString; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.TypedValue; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.Filterable; 76import android.widget.ListAdapter; 77import android.widget.ListPopupWindow; 78import android.widget.ListView; 79import android.widget.MultiAutoCompleteTextView; 80import android.widget.ScrollView; 81import android.widget.TextView; 82 83import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 84 85import java.util.ArrayList; 86import java.util.Arrays; 87import java.util.Collection; 88import java.util.Collections; 89import java.util.Comparator; 90import java.util.HashSet; 91import java.util.List; 92import java.util.Map; 93import java.util.Set; 94import java.util.regex.Matcher; 95import java.util.regex.Pattern; 96 97/** 98 * RecipientEditTextView is an auto complete text view for use with applications 99 * that use the new Chips UI for addressing a message to recipients. 100 */ 101public class RecipientEditTextView extends MultiAutoCompleteTextView implements 102 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 103 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 104 TextView.OnEditorActionListener { 105 106 private static final char COMMIT_CHAR_COMMA = ','; 107 108 private static final char COMMIT_CHAR_SEMICOLON = ';'; 109 110 private static final char COMMIT_CHAR_SPACE = ' '; 111 112 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 113 + String.valueOf(COMMIT_CHAR_SPACE); 114 115 private static final String TAG = "RecipientEditTextView"; 116 117 private static int DISMISS = "dismiss".hashCode(); 118 119 private static final long DISMISS_DELAY = 300; 120 121 // TODO: get correct number/ algorithm from with UX. 122 // Visible for testing. 123 /*package*/ static final int CHIP_LIMIT = 2; 124 125 private static final int MAX_CHIPS_PARSED = 50; 126 127 private static int sSelectedTextColor = -1; 128 129 // Resources for displaying chips. 130 private Drawable mChipBackground = null; 131 132 private Drawable mChipDelete = null; 133 134 private Drawable mInvalidChipBackground; 135 136 private Drawable mChipBackgroundPressed; 137 138 private float mChipHeight; 139 140 private float mChipFontSize; 141 142 private float mLineSpacingExtra; 143 144 private int mChipPadding; 145 146 private Tokenizer mTokenizer; 147 148 private Validator mValidator; 149 150 private RecipientChip mSelectedChip; 151 152 private int mAlternatesLayout; 153 154 private Bitmap mDefaultContactPhoto; 155 156 private ImageSpan mMoreChip; 157 158 private TextView mMoreItem; 159 160 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 161 162 private Handler mHandler; 163 164 private int mPendingChipsCount = 0; 165 166 private boolean mNoChips = false; 167 168 private ListPopupWindow mAlternatesPopup; 169 170 private ListPopupWindow mAddressPopup; 171 172 private ArrayList<RecipientChip> mTemporaryRecipients; 173 174 private ArrayList<RecipientChip> mRemovedSpans; 175 176 private boolean mShouldShrink = true; 177 178 // Chip copy fields. 179 private GestureDetector mGestureDetector; 180 181 private Dialog mCopyDialog; 182 183 private String mCopyAddress; 184 185 /** 186 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 187 * selected chip. 188 */ 189 private OnItemClickListener mAlternatesListener; 190 191 private int mCheckedItem; 192 193 private TextWatcher mTextWatcher; 194 195 // Obtain the enclosing scroll view, if it exists, so that the view can be 196 // scrolled to show the last line of chips content. 197 private ScrollView mScrollView; 198 199 private boolean mTriedGettingScrollView; 200 201 private boolean mDragEnabled = false; 202 203 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 204 // parens, so numbers such as "1 (425) 222-2342" match. 205 private static final Pattern PHONE_PATTERN 206 = Pattern.compile( // sdd = space, dot, or dash 207 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 208 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 209 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 210 211 private final Runnable mAddTextWatcher = new Runnable() { 212 @Override 213 public void run() { 214 if (mTextWatcher == null) { 215 mTextWatcher = new RecipientTextWatcher(); 216 addTextChangedListener(mTextWatcher); 217 } 218 } 219 }; 220 221 private IndividualReplacementTask mIndividualReplacements; 222 223 private Runnable mHandlePendingChips = new Runnable() { 224 225 @Override 226 public void run() { 227 handlePendingChips(); 228 } 229 230 }; 231 232 private Runnable mDelayedShrink = new Runnable() { 233 234 @Override 235 public void run() { 236 shrink(); 237 } 238 239 }; 240 241 private int mMaxLines; 242 243 private static int sExcessTopPadding = -1; 244 245 private int mActionBarHeight; 246 247 public RecipientEditTextView(Context context, AttributeSet attrs) { 248 super(context, attrs); 249 setChipDimensions(context, attrs); 250 if (sSelectedTextColor == -1) { 251 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 252 } 253 mAlternatesPopup = new ListPopupWindow(context); 254 mAddressPopup = new ListPopupWindow(context); 255 mCopyDialog = new Dialog(context); 256 mAlternatesListener = new OnItemClickListener() { 257 @Override 258 public void onItemClick(AdapterView<?> adapterView,View view, int position, 259 long rowId) { 260 mAlternatesPopup.setOnItemClickListener(null); 261 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 262 .getRecipientEntry(position)); 263 Message delayed = Message.obtain(mHandler, DISMISS); 264 delayed.obj = mAlternatesPopup; 265 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 266 clearComposingText(); 267 } 268 }; 269 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 270 setOnItemClickListener(this); 271 setCustomSelectionActionModeCallback(this); 272 mHandler = new Handler() { 273 @Override 274 public void handleMessage(Message msg) { 275 if (msg.what == DISMISS) { 276 ((ListPopupWindow) msg.obj).dismiss(); 277 return; 278 } 279 super.handleMessage(msg); 280 } 281 }; 282 mTextWatcher = new RecipientTextWatcher(); 283 addTextChangedListener(mTextWatcher); 284 mGestureDetector = new GestureDetector(context, this); 285 setOnEditorActionListener(this); 286 } 287 288 @Override 289 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 290 if (action == EditorInfo.IME_ACTION_DONE) { 291 if (commitDefault()) { 292 return true; 293 } 294 if (mSelectedChip != null) { 295 clearSelectedChip(); 296 return true; 297 } else if (focusNext()) { 298 return true; 299 } 300 } 301 return false; 302 } 303 304 @Override 305 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 306 InputConnection connection = super.onCreateInputConnection(outAttrs); 307 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 308 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 309 // clear the existing action 310 outAttrs.imeOptions ^= imeActions; 311 // set the DONE action 312 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 313 } 314 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 315 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 316 } 317 318 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 319 outAttrs.actionLabel = getContext().getString(R.string.done); 320 return connection; 321 } 322 323 /*package*/ RecipientChip getLastChip() { 324 RecipientChip last = null; 325 RecipientChip[] chips = getSortedRecipients(); 326 if (chips != null && chips.length > 0) { 327 last = chips[chips.length - 1]; 328 } 329 return last; 330 } 331 332 @Override 333 public void onSelectionChanged(int start, int end) { 334 // When selection changes, see if it is inside the chips area. 335 // If so, move the cursor back after the chips again. 336 RecipientChip last = getLastChip(); 337 if (last != null && start < getSpannable().getSpanEnd(last)) { 338 // Grab the last chip and set the cursor to after it. 339 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 340 } 341 super.onSelectionChanged(start, end); 342 } 343 344 @Override 345 public void onRestoreInstanceState(Parcelable state) { 346 if (!TextUtils.isEmpty(getText())) { 347 super.onRestoreInstanceState(null); 348 } else { 349 super.onRestoreInstanceState(state); 350 } 351 } 352 353 @Override 354 public Parcelable onSaveInstanceState() { 355 // If the user changes orientation while they are editing, just roll back the selection. 356 clearSelectedChip(); 357 return super.onSaveInstanceState(); 358 } 359 360 /** 361 * Convenience method: Append the specified text slice to the TextView's 362 * display buffer, upgrading it to BufferType.EDITABLE if it was 363 * not already editable. Commas are excluded as they are added automatically 364 * by the view. 365 */ 366 @Override 367 public void append(CharSequence text, int start, int end) { 368 // We don't care about watching text changes while appending. 369 if (mTextWatcher != null) { 370 removeTextChangedListener(mTextWatcher); 371 } 372 super.append(text, start, end); 373 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 374 String displayString = text.toString(); 375 376 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 377 // We have no separator, so we should add it 378 super.append(SEPARATOR, 0, SEPARATOR.length()); 379 displayString += SEPARATOR; 380 } 381 382 if (!TextUtils.isEmpty(displayString) 383 && TextUtils.getTrimmedLength(displayString) > 0) { 384 mPendingChipsCount++; 385 mPendingChips.add(displayString); 386 } 387 } 388 // Put a message on the queue to make sure we ALWAYS handle pending 389 // chips. 390 if (mPendingChipsCount > 0) { 391 postHandlePendingChips(); 392 } 393 mHandler.post(mAddTextWatcher); 394 } 395 396 @Override 397 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 398 super.onFocusChanged(hasFocus, direction, previous); 399 if (!hasFocus) { 400 shrink(); 401 } else { 402 expand(); 403 } 404 } 405 406 @Override 407 public void performValidation() { 408 // Do nothing. Chips handles its own validation. 409 } 410 411 private void shrink() { 412 if (mTokenizer == null) { 413 return; 414 } 415 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 416 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 417 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 418 clearSelectedChip(); 419 } else { 420 if (getWidth() <= 0) { 421 // We don't have the width yet which means the view hasn't been drawn yet 422 // and there is no reason to attempt to commit chips yet. 423 // This focus lost must be the result of an orientation change 424 // or an initial rendering. 425 // Re-post the shrink for later. 426 mHandler.removeCallbacks(mDelayedShrink); 427 mHandler.post(mDelayedShrink); 428 return; 429 } 430 // Reset any pending chips as they would have been handled 431 // when the field lost focus. 432 if (mPendingChipsCount > 0) { 433 postHandlePendingChips(); 434 } else { 435 Editable editable = getText(); 436 int end = getSelectionEnd(); 437 int start = mTokenizer.findTokenStart(editable, end); 438 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 439 if ((chips == null || chips.length == 0)) { 440 Editable text = getText(); 441 int whatEnd = mTokenizer.findTokenEnd(text, start); 442 // This token was already tokenized, so skip past the ending token. 443 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 444 whatEnd = movePastTerminators(whatEnd); 445 } 446 // In the middle of chip; treat this as an edit 447 // and commit the whole token. 448 int selEnd = getSelectionEnd(); 449 if (whatEnd != selEnd) { 450 handleEdit(start, whatEnd); 451 } else { 452 commitChip(start, end, editable); 453 } 454 } 455 } 456 mHandler.post(mAddTextWatcher); 457 } 458 createMoreChip(); 459 } 460 461 private void expand() { 462 if (mShouldShrink) { 463 setMaxLines(Integer.MAX_VALUE); 464 } 465 removeMoreChip(); 466 setCursorVisible(true); 467 Editable text = getText(); 468 setSelection(text != null && text.length() > 0 ? text.length() : 0); 469 // If there are any temporary chips, try replacing them now that the user 470 // has expanded the field. 471 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 472 new RecipientReplacementTask().execute(); 473 mTemporaryRecipients = null; 474 } 475 } 476 477 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 478 paint.setTextSize(mChipFontSize); 479 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 480 Log.d(TAG, "Max width is negative: " + maxWidth); 481 } 482 return TextUtils.ellipsize(text, paint, maxWidth, 483 TextUtils.TruncateAt.END); 484 } 485 486 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 487 // Ellipsize the text so that it takes AT MOST the entire width of the 488 // autocomplete text entry area. Make sure to leave space for padding 489 // on the sides. 490 int height = (int) mChipHeight; 491 int deleteWidth = height; 492 float[] widths = new float[1]; 493 paint.getTextWidths(" ", widths); 494 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 495 calculateAvailableWidth() - deleteWidth - widths[0]); 496 497 // Make sure there is a minimum chip width so the user can ALWAYS 498 // tap a chip without difficulty. 499 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 500 ellipsizedText.length())) 501 + (mChipPadding * 2) + deleteWidth); 502 503 // Create the background of the chip. 504 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 505 Canvas canvas = new Canvas(tmpBitmap); 506 if (mChipBackgroundPressed != null) { 507 mChipBackgroundPressed.setBounds(0, 0, width, height); 508 mChipBackgroundPressed.draw(canvas); 509 paint.setColor(sSelectedTextColor); 510 // Vertically center the text in the chip. 511 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 512 getTextYOffset((String) ellipsizedText, paint, height), paint); 513 // Make the delete a square. 514 Rect backgroundPadding = new Rect(); 515 mChipBackgroundPressed.getPadding(backgroundPadding); 516 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 517 0 + backgroundPadding.top, 518 width - backgroundPadding.right, 519 height - backgroundPadding.bottom); 520 mChipDelete.draw(canvas); 521 } else { 522 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 523 } 524 return tmpBitmap; 525 } 526 527 528 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 529 boolean leaveBlankIconSpacer) { 530 // Ellipsize the text so that it takes AT MOST the entire width of the 531 // autocomplete text entry area. Make sure to leave space for padding 532 // on the sides. 533 int height = (int) mChipHeight; 534 int iconWidth = height; 535 float[] widths = new float[1]; 536 paint.getTextWidths(" ", widths); 537 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 538 calculateAvailableWidth() - iconWidth - widths[0]); 539 // Make sure there is a minimum chip width so the user can ALWAYS 540 // tap a chip without difficulty. 541 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 542 ellipsizedText.length())) 543 + (mChipPadding * 2) + iconWidth); 544 545 // Create the background of the chip. 546 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 547 Canvas canvas = new Canvas(tmpBitmap); 548 Drawable background = getChipBackground(contact); 549 if (background != null) { 550 background.setBounds(0, 0, width, height); 551 background.draw(canvas); 552 553 // Don't draw photos for recipients that have been typed in OR generated on the fly. 554 long contactId = contact.getContactId(); 555 boolean drawPhotos = isPhoneQuery() ? 556 contactId != RecipientEntry.INVALID_CONTACT 557 : (contactId != RecipientEntry.INVALID_CONTACT 558 && (contactId != RecipientEntry.GENERATED_CONTACT && 559 !TextUtils.isEmpty(contact.getDisplayName()))); 560 if (drawPhotos) { 561 byte[] photoBytes = contact.getPhotoBytes(); 562 // There may not be a photo yet if anything but the first contact address 563 // was selected. 564 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 565 // TODO: cache this in the recipient entry? 566 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 567 .getPhotoThumbnailUri()); 568 photoBytes = contact.getPhotoBytes(); 569 } 570 571 Bitmap photo; 572 if (photoBytes != null) { 573 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 574 } else { 575 // TODO: can the scaled down default photo be cached? 576 photo = mDefaultContactPhoto; 577 } 578 // Draw the photo on the left side. 579 if (photo != null) { 580 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 581 Rect backgroundPadding = new Rect(); 582 mChipBackground.getPadding(backgroundPadding); 583 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 584 0 + backgroundPadding.top, 585 width - backgroundPadding.right, 586 height - backgroundPadding.bottom); 587 Matrix matrix = new Matrix(); 588 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 589 canvas.drawBitmap(photo, matrix, paint); 590 } 591 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 592 iconWidth = 0; 593 } 594 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 595 // Vertically center the text in the chip. 596 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 597 getTextYOffset((String)ellipsizedText, paint, height), paint); 598 } else { 599 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 600 } 601 return tmpBitmap; 602 } 603 604 /** 605 * Get the background drawable for a RecipientChip. 606 */ 607 // Visible for testing. 608 /* package */Drawable getChipBackground(RecipientEntry contact) { 609 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 610 } 611 612 private static float getTextYOffset(String text, TextPaint paint, int height) { 613 Rect bounds = new Rect(); 614 paint.getTextBounds(text, 0, text.length(), bounds); 615 int textHeight = bounds.bottom - bounds.top ; 616 return height - ((height - textHeight) / 2) - (int)paint.descent(); 617 } 618 619 private RecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 620 boolean leaveIconSpace) throws NullPointerException { 621 if (mChipBackground == null) { 622 throw new NullPointerException( 623 "Unable to render any chips as setChipDimensions was not called."); 624 } 625 626 TextPaint paint = getPaint(); 627 float defaultSize = paint.getTextSize(); 628 int defaultColor = paint.getColor(); 629 630 Bitmap tmpBitmap; 631 if (pressed) { 632 tmpBitmap = createSelectedChip(contact, paint); 633 634 } else { 635 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 636 } 637 638 // Pass the full text, un-ellipsized, to the chip. 639 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 640 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 641 RecipientChip recipientChip = new VisibleRecipientChip(result, contact); 642 // Return text to the original size. 643 paint.setTextSize(defaultSize); 644 paint.setColor(defaultColor); 645 return recipientChip; 646 } 647 648 /** 649 * Calculate the bottom of the line the chip will be located on using: 650 * 1) which line the chip appears on 651 * 2) the height of a chip 652 * 3) padding built into the edit text view 653 */ 654 private int calculateOffsetFromBottom(int line) { 655 // Line offsets start at zero. 656 int actualLine = getLineCount() - (line + 1); 657 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 658 + getDropDownVerticalOffset(); 659 } 660 661 /** 662 * Get the max amount of space a chip can take up. The formula takes into 663 * account the width of the EditTextView, any view padding, and padding 664 * that will be added to the chip. 665 */ 666 private float calculateAvailableWidth() { 667 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 668 } 669 670 671 private void setChipDimensions(Context context, AttributeSet attrs) { 672 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 673 0); 674 Resources r = getContext().getResources(); 675 676 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 677 if (mChipBackground == null) { 678 mChipBackground = r.getDrawable(R.drawable.chip_background); 679 } 680 mChipBackgroundPressed = a 681 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 682 if (mChipBackgroundPressed == null) { 683 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 684 } 685 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 686 if (mChipDelete == null) { 687 mChipDelete = r.getDrawable(R.drawable.chip_delete); 688 } 689 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 690 if (mChipPadding == -1) { 691 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 692 } 693 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 694 -1); 695 if (mAlternatesLayout == -1) { 696 mAlternatesLayout = R.layout.chips_alternate_item; 697 } 698 699 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 700 701 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 702 703 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 704 if (mChipHeight == -1) { 705 mChipHeight = r.getDimension(R.dimen.chip_height); 706 } 707 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 708 if (mChipFontSize == -1) { 709 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 710 } 711 mInvalidChipBackground = a 712 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 713 if (mInvalidChipBackground == null) { 714 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 715 } 716 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 717 mMaxLines = r.getInteger(R.integer.chips_max_lines); 718 TypedValue tv = new TypedValue(); 719 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 720 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 721 .getDisplayMetrics()); 722 } 723 a.recycle(); 724 } 725 726 // Visible for testing. 727 /* package */ void setMoreItem(TextView moreItem) { 728 mMoreItem = moreItem; 729 } 730 731 732 // Visible for testing. 733 /* package */ void setChipBackground(Drawable chipBackground) { 734 mChipBackground = chipBackground; 735 } 736 737 // Visible for testing. 738 /* package */ void setChipHeight(int height) { 739 mChipHeight = height; 740 } 741 742 /** 743 * Set whether to shrink the recipients field such that at most 744 * one line of recipients chips are shown when the field loses 745 * focus. By default, the number of displayed recipients will be 746 * limited and a "more" chip will be shown when focus is lost. 747 * @param shrink 748 */ 749 public void setOnFocusListShrinkRecipients(boolean shrink) { 750 mShouldShrink = shrink; 751 } 752 753 @Override 754 public void onSizeChanged(int width, int height, int oldw, int oldh) { 755 super.onSizeChanged(width, height, oldw, oldh); 756 if (width != 0 && height != 0) { 757 if (mPendingChipsCount > 0) { 758 postHandlePendingChips(); 759 } else { 760 checkChipWidths(); 761 } 762 } 763 // Try to find the scroll view parent, if it exists. 764 if (mScrollView == null && !mTriedGettingScrollView) { 765 ViewParent parent = getParent(); 766 while (parent != null && !(parent instanceof ScrollView)) { 767 parent = parent.getParent(); 768 } 769 if (parent != null) { 770 mScrollView = (ScrollView) parent; 771 } 772 mTriedGettingScrollView = true; 773 } 774 } 775 776 private void postHandlePendingChips() { 777 mHandler.removeCallbacks(mHandlePendingChips); 778 mHandler.post(mHandlePendingChips); 779 } 780 781 private void checkChipWidths() { 782 // Check the widths of the associated chips. 783 RecipientChip[] chips = getSortedRecipients(); 784 if (chips != null) { 785 Rect bounds; 786 for (RecipientChip chip : chips) { 787 bounds = chip.getBounds(); 788 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 789 // Need to redraw that chip. 790 replaceChip(chip, chip.getEntry()); 791 } 792 } 793 } 794 } 795 796 // Visible for testing. 797 /*package*/ void handlePendingChips() { 798 if (getViewWidth() <= 0) { 799 // The widget has not been sized yet. 800 // This will be called as a result of onSizeChanged 801 // at a later point. 802 return; 803 } 804 if (mPendingChipsCount <= 0) { 805 return; 806 } 807 808 synchronized (mPendingChips) { 809 Editable editable = getText(); 810 // Tokenize! 811 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 812 for (int i = 0; i < mPendingChips.size(); i++) { 813 String current = mPendingChips.get(i); 814 int tokenStart = editable.toString().indexOf(current); 815 // Always leave a space at the end between tokens. 816 int tokenEnd = tokenStart + current.length() - 1; 817 if (tokenStart >= 0) { 818 // When we have a valid token, include it with the token 819 // to the left. 820 if (tokenEnd < editable.length() - 2 821 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 822 tokenEnd++; 823 } 824 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 825 || !mShouldShrink); 826 } 827 mPendingChipsCount--; 828 } 829 sanitizeEnd(); 830 } else { 831 mNoChips = true; 832 } 833 834 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 835 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 836 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 837 new RecipientReplacementTask().execute(); 838 mTemporaryRecipients = null; 839 } else { 840 // Create the "more" chip 841 mIndividualReplacements = new IndividualReplacementTask(); 842 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 843 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 844 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 845 mTemporaryRecipients = new ArrayList<RecipientChip>( 846 mTemporaryRecipients.subList(CHIP_LIMIT, 847 mTemporaryRecipients.size())); 848 } else { 849 mTemporaryRecipients = null; 850 } 851 createMoreChip(); 852 } 853 } else { 854 // There are too many recipients to look up, so just fall back 855 // to showing addresses for all of them. 856 mTemporaryRecipients = null; 857 createMoreChip(); 858 } 859 mPendingChipsCount = 0; 860 mPendingChips.clear(); 861 } 862 } 863 864 // Visible for testing. 865 /*package*/ int getViewWidth() { 866 return getWidth(); 867 } 868 869 /** 870 * Remove any characters after the last valid chip. 871 */ 872 // Visible for testing. 873 /*package*/ void sanitizeEnd() { 874 // Don't sanitize while we are waiting for pending chips to complete. 875 if (mPendingChipsCount > 0) { 876 return; 877 } 878 // Find the last chip; eliminate any commit characters after it. 879 RecipientChip[] chips = getSortedRecipients(); 880 Spannable spannable = getSpannable(); 881 if (chips != null && chips.length > 0) { 882 int end; 883 mMoreChip = getMoreChip(); 884 if (mMoreChip != null) { 885 end = spannable.getSpanEnd(mMoreChip); 886 } else { 887 end = getSpannable().getSpanEnd(getLastChip()); 888 } 889 Editable editable = getText(); 890 int length = editable.length(); 891 if (length > end) { 892 // See what characters occur after that and eliminate them. 893 if (Log.isLoggable(TAG, Log.DEBUG)) { 894 Log.d(TAG, "There were extra characters after the last tokenizable entry." 895 + editable); 896 } 897 editable.delete(end + 1, length); 898 } 899 } 900 } 901 902 /** 903 * Create a chip that represents just the email address of a recipient. At some later 904 * point, this chip will be attached to a real contact entry, if one exists. 905 */ 906 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 907 boolean visible) { 908 if (alreadyHasChip(tokenStart, tokenEnd)) { 909 // There is already a chip present at this location. 910 // Don't recreate it. 911 return; 912 } 913 String token = editable.toString().substring(tokenStart, tokenEnd); 914 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 915 if (commitCharIndex == token.length() - 1) { 916 token = token.substring(0, token.length() - 1); 917 } 918 RecipientEntry entry = createTokenizedEntry(token); 919 if (entry != null) { 920 RecipientChip chip = null; 921 try { 922 if (!mNoChips) { 923 /* 924 * leave space for the contact icon if this is not just an 925 * email address 926 */ 927 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 928 || TextUtils.equals(entry.getDisplayName(), 929 entry.getDestination()); 930 chip = visible ? 931 constructChipSpan(entry, false, leaveSpace) 932 : new InvisibleRecipientChip(entry); 933 } 934 } catch (NullPointerException e) { 935 Log.e(TAG, e.getMessage(), e); 936 } 937 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 938 // Add this chip to the list of entries "to replace" 939 if (chip != null) { 940 if (mTemporaryRecipients == null) { 941 mTemporaryRecipients = new ArrayList<RecipientChip>(); 942 } 943 chip.setOriginalText(token); 944 mTemporaryRecipients.add(chip); 945 } 946 } 947 } 948 949 private static boolean isPhoneNumber(String number) { 950 // TODO: replace this function with libphonenumber's isPossibleNumber (see 951 // PhoneNumberUtil). One complication is that it requires the sender's region which 952 // comes from the CurrentCountryIso. For now, let's just do this simple match. 953 if (TextUtils.isEmpty(number)) { 954 return false; 955 } 956 957 Matcher match = PHONE_PATTERN.matcher(number); 958 return match.matches(); 959 } 960 961 private RecipientEntry createTokenizedEntry(String token) { 962 if (TextUtils.isEmpty(token)) { 963 return null; 964 } 965 if (isPhoneQuery() && isPhoneNumber(token)) { 966 return RecipientEntry.constructFakeEntry(token, true); 967 } 968 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 969 String display = null; 970 boolean isValid = isValid(token); 971 if (isValid && tokens != null && tokens.length > 0) { 972 // If we can get a name from tokenizing, then generate an entry from 973 // this. 974 display = tokens[0].getName(); 975 if (!TextUtils.isEmpty(display)) { 976 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 977 isValid); 978 } else { 979 display = tokens[0].getAddress(); 980 if (!TextUtils.isEmpty(display)) { 981 return RecipientEntry.constructFakeEntry(display, isValid); 982 } 983 } 984 } 985 // Unable to validate the token or to create a valid token from it. 986 // Just create a chip the user can edit. 987 String validatedToken = null; 988 if (mValidator != null && !isValid) { 989 // Try fixing up the entry using the validator. 990 validatedToken = mValidator.fixText(token).toString(); 991 if (!TextUtils.isEmpty(validatedToken)) { 992 if (validatedToken.contains(token)) { 993 // protect against the case of a validator with a null 994 // domain, 995 // which doesn't add a domain to the token 996 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 997 if (tokenized.length > 0) { 998 validatedToken = tokenized[0].getAddress(); 999 isValid = true; 1000 } 1001 } else { 1002 // We ran into a case where the token was invalid and 1003 // removed 1004 // by the validator. In this case, just use the original 1005 // token 1006 // and let the user sort out the error chip. 1007 validatedToken = null; 1008 isValid = false; 1009 } 1010 } 1011 } 1012 // Otherwise, fallback to just creating an editable email address chip. 1013 return RecipientEntry.constructFakeEntry( 1014 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1015 } 1016 1017 private boolean isValid(String text) { 1018 return mValidator == null ? true : mValidator.isValid(text); 1019 } 1020 1021 private static String tokenizeAddress(String destination) { 1022 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1023 if (tokens != null && tokens.length > 0) { 1024 return tokens[0].getAddress(); 1025 } 1026 return destination; 1027 } 1028 1029 @Override 1030 public void setTokenizer(Tokenizer tokenizer) { 1031 mTokenizer = tokenizer; 1032 super.setTokenizer(mTokenizer); 1033 } 1034 1035 @Override 1036 public void setValidator(Validator validator) { 1037 mValidator = validator; 1038 super.setValidator(validator); 1039 } 1040 1041 /** 1042 * We cannot use the default mechanism for replaceText. Instead, 1043 * we override onItemClickListener so we can get all the associated 1044 * contact information including display text, address, and id. 1045 */ 1046 @Override 1047 protected void replaceText(CharSequence text) { 1048 return; 1049 } 1050 1051 /** 1052 * Dismiss any selected chips when the back key is pressed. 1053 */ 1054 @Override 1055 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1056 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1057 clearSelectedChip(); 1058 return true; 1059 } 1060 return super.onKeyPreIme(keyCode, event); 1061 } 1062 1063 /** 1064 * Monitor key presses in this view to see if the user types 1065 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1066 * If the user has entered text that has contact matches and types 1067 * a commit key, create a chip from the topmost matching contact. 1068 * If the user has entered text that has no contact matches and types 1069 * a commit key, then create a chip from the text they have entered. 1070 */ 1071 @Override 1072 public boolean onKeyUp(int keyCode, KeyEvent event) { 1073 switch (keyCode) { 1074 case KeyEvent.KEYCODE_TAB: 1075 if (event.hasNoModifiers()) { 1076 if (mSelectedChip != null) { 1077 clearSelectedChip(); 1078 } else { 1079 commitDefault(); 1080 } 1081 } 1082 break; 1083 } 1084 return super.onKeyUp(keyCode, event); 1085 } 1086 1087 private boolean focusNext() { 1088 View next = focusSearch(View.FOCUS_DOWN); 1089 if (next != null) { 1090 next.requestFocus(); 1091 return true; 1092 } 1093 return false; 1094 } 1095 1096 /** 1097 * Create a chip from the default selection. If the popup is showing, the 1098 * default is the first item in the popup suggestions list. Otherwise, it is 1099 * whatever the user had typed in. End represents where the the tokenizer 1100 * should search for a token to turn into a chip. 1101 * @return If a chip was created from a real contact. 1102 */ 1103 private boolean commitDefault() { 1104 // If there is no tokenizer, don't try to commit. 1105 if (mTokenizer == null) { 1106 return false; 1107 } 1108 Editable editable = getText(); 1109 int end = getSelectionEnd(); 1110 int start = mTokenizer.findTokenStart(editable, end); 1111 1112 if (shouldCreateChip(start, end)) { 1113 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1114 // In the middle of chip; treat this as an edit 1115 // and commit the whole token. 1116 whatEnd = movePastTerminators(whatEnd); 1117 if (whatEnd != getSelectionEnd()) { 1118 handleEdit(start, whatEnd); 1119 return true; 1120 } 1121 return commitChip(start, end , editable); 1122 } 1123 return false; 1124 } 1125 1126 private void commitByCharacter() { 1127 // We can't possibly commit by character if we can't tokenize. 1128 if (mTokenizer == null) { 1129 return; 1130 } 1131 Editable editable = getText(); 1132 int end = getSelectionEnd(); 1133 int start = mTokenizer.findTokenStart(editable, end); 1134 if (shouldCreateChip(start, end)) { 1135 commitChip(start, end, editable); 1136 } 1137 setSelection(getText().length()); 1138 } 1139 1140 private boolean commitChip(int start, int end, Editable editable) { 1141 ListAdapter adapter = getAdapter(); 1142 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1143 && end == getSelectionEnd() && !isPhoneQuery()) { 1144 // choose the first entry. 1145 submitItemAtPosition(0); 1146 dismissDropDown(); 1147 return true; 1148 } else { 1149 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1150 if (editable.length() > tokenEnd + 1) { 1151 char charAt = editable.charAt(tokenEnd + 1); 1152 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1153 tokenEnd++; 1154 } 1155 } 1156 String text = editable.toString().substring(start, tokenEnd).trim(); 1157 clearComposingText(); 1158 if (text != null && text.length() > 0 && !text.equals(" ")) { 1159 RecipientEntry entry = createTokenizedEntry(text); 1160 if (entry != null) { 1161 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1162 CharSequence chipText = createChip(entry, false); 1163 if (chipText != null && start > -1 && end > -1) { 1164 editable.replace(start, end, chipText); 1165 } 1166 } 1167 // Only dismiss the dropdown if it is related to the text we 1168 // just committed. 1169 // For paste, it may not be as there are possibly multiple 1170 // tokens being added. 1171 if (end == getSelectionEnd()) { 1172 dismissDropDown(); 1173 } 1174 sanitizeBetween(); 1175 return true; 1176 } 1177 } 1178 return false; 1179 } 1180 1181 // Visible for testing. 1182 /* package */ void sanitizeBetween() { 1183 // Don't sanitize while we are waiting for content to chipify. 1184 if (mPendingChipsCount > 0) { 1185 return; 1186 } 1187 // Find the last chip. 1188 RecipientChip[] recips = getSortedRecipients(); 1189 if (recips != null && recips.length > 0) { 1190 RecipientChip last = recips[recips.length - 1]; 1191 RecipientChip beforeLast = null; 1192 if (recips.length > 1) { 1193 beforeLast = recips[recips.length - 2]; 1194 } 1195 int startLooking = 0; 1196 int end = getSpannable().getSpanStart(last); 1197 if (beforeLast != null) { 1198 startLooking = getSpannable().getSpanEnd(beforeLast); 1199 Editable text = getText(); 1200 if (startLooking == -1 || startLooking > text.length() - 1) { 1201 // There is nothing after this chip. 1202 return; 1203 } 1204 if (text.charAt(startLooking) == ' ') { 1205 startLooking++; 1206 } 1207 } 1208 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1209 getText().delete(startLooking, end); 1210 } 1211 } 1212 } 1213 1214 private boolean shouldCreateChip(int start, int end) { 1215 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1216 } 1217 1218 private boolean alreadyHasChip(int start, int end) { 1219 if (mNoChips) { 1220 return true; 1221 } 1222 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1223 if ((chips == null || chips.length == 0)) { 1224 return false; 1225 } 1226 return true; 1227 } 1228 1229 private void handleEdit(int start, int end) { 1230 if (start == -1 || end == -1) { 1231 // This chip no longer exists in the field. 1232 dismissDropDown(); 1233 return; 1234 } 1235 // This is in the middle of a chip, so select out the whole chip 1236 // and commit it. 1237 Editable editable = getText(); 1238 setSelection(end); 1239 String text = getText().toString().substring(start, end); 1240 if (!TextUtils.isEmpty(text)) { 1241 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1242 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1243 CharSequence chipText = createChip(entry, false); 1244 int selEnd = getSelectionEnd(); 1245 if (chipText != null && start > -1 && selEnd > -1) { 1246 editable.replace(start, selEnd, chipText); 1247 } 1248 } 1249 dismissDropDown(); 1250 } 1251 1252 /** 1253 * If there is a selected chip, delegate the key events 1254 * to the selected chip. 1255 */ 1256 @Override 1257 public boolean onKeyDown(int keyCode, KeyEvent event) { 1258 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1259 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1260 mAlternatesPopup.dismiss(); 1261 } 1262 removeChip(mSelectedChip); 1263 } 1264 1265 switch (keyCode) { 1266 case KeyEvent.KEYCODE_ENTER: 1267 case KeyEvent.KEYCODE_DPAD_CENTER: 1268 if (event.hasNoModifiers()) { 1269 if (commitDefault()) { 1270 return true; 1271 } 1272 if (mSelectedChip != null) { 1273 clearSelectedChip(); 1274 return true; 1275 } else if (focusNext()) { 1276 return true; 1277 } 1278 } 1279 break; 1280 } 1281 1282 return super.onKeyDown(keyCode, event); 1283 } 1284 1285 // Visible for testing. 1286 /* package */ Spannable getSpannable() { 1287 return getText(); 1288 } 1289 1290 private int getChipStart(RecipientChip chip) { 1291 return getSpannable().getSpanStart(chip); 1292 } 1293 1294 private int getChipEnd(RecipientChip chip) { 1295 return getSpannable().getSpanEnd(chip); 1296 } 1297 1298 /** 1299 * Instead of filtering on the entire contents of the edit box, 1300 * this subclass method filters on the range from 1301 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1302 * if the length of that range meets or exceeds {@link #getThreshold} 1303 * and makes sure that the range is not already a Chip. 1304 */ 1305 @Override 1306 protected void performFiltering(CharSequence text, int keyCode) { 1307 boolean isCompletedToken = isCompletedToken(text); 1308 if (enoughToFilter() && !isCompletedToken) { 1309 int end = getSelectionEnd(); 1310 int start = mTokenizer.findTokenStart(text, end); 1311 // If this is a RecipientChip, don't filter 1312 // on its contents. 1313 Spannable span = getSpannable(); 1314 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1315 if (chips != null && chips.length > 0) { 1316 return; 1317 } 1318 } else if (isCompletedToken) { 1319 return; 1320 } 1321 super.performFiltering(text, keyCode); 1322 } 1323 1324 // Visible for testing. 1325 /*package*/ boolean isCompletedToken(CharSequence text) { 1326 if (TextUtils.isEmpty(text)) { 1327 return false; 1328 } 1329 // Check to see if this is a completed token before filtering. 1330 int end = text.length(); 1331 int start = mTokenizer.findTokenStart(text, end); 1332 String token = text.toString().substring(start, end).trim(); 1333 if (!TextUtils.isEmpty(token)) { 1334 char atEnd = token.charAt(token.length() - 1); 1335 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1336 } 1337 return false; 1338 } 1339 1340 private void clearSelectedChip() { 1341 if (mSelectedChip != null) { 1342 unselectChip(mSelectedChip); 1343 mSelectedChip = null; 1344 } 1345 setCursorVisible(true); 1346 } 1347 1348 /** 1349 * Monitor touch events in the RecipientEditTextView. 1350 * If the view does not have focus, any tap on the view 1351 * will just focus the view. If the view has focus, determine 1352 * if the touch target is a recipient chip. If it is and the chip 1353 * is not selected, select it and clear any other selected chips. 1354 * If it isn't, then select that chip. 1355 */ 1356 @Override 1357 public boolean onTouchEvent(MotionEvent event) { 1358 if (!isFocused()) { 1359 // Ignore any chip taps until this view is focused. 1360 return super.onTouchEvent(event); 1361 } 1362 boolean handled = super.onTouchEvent(event); 1363 int action = event.getAction(); 1364 boolean chipWasSelected = false; 1365 if (mSelectedChip == null) { 1366 mGestureDetector.onTouchEvent(event); 1367 } 1368 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1369 float x = event.getX(); 1370 float y = event.getY(); 1371 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1372 RecipientChip currentChip = findChip(offset); 1373 if (currentChip != null) { 1374 if (action == MotionEvent.ACTION_UP) { 1375 if (mSelectedChip != null && mSelectedChip != currentChip) { 1376 clearSelectedChip(); 1377 mSelectedChip = selectChip(currentChip); 1378 } else if (mSelectedChip == null) { 1379 setSelection(getText().length()); 1380 commitDefault(); 1381 mSelectedChip = selectChip(currentChip); 1382 } else { 1383 onClick(mSelectedChip, offset, x, y); 1384 } 1385 } 1386 chipWasSelected = true; 1387 handled = true; 1388 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1389 chipWasSelected = true; 1390 } 1391 } 1392 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1393 clearSelectedChip(); 1394 } 1395 return handled; 1396 } 1397 1398 private void scrollLineIntoView(int line) { 1399 if (mScrollView != null) { 1400 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1401 } 1402 } 1403 1404 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1405 int width) { 1406 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1407 int bottom; 1408 if (line == getLineCount() -1) { 1409 bottom = 0; 1410 } else { 1411 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1412 - line))); 1413 } 1414 // Align the alternates popup with the left side of the View, 1415 // regardless of the position of the chip tapped. 1416 alternatesPopup.setWidth(width); 1417 alternatesPopup.setAnchorView(this); 1418 alternatesPopup.setVerticalOffset(bottom); 1419 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1420 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1421 // Clear the checked item. 1422 mCheckedItem = -1; 1423 alternatesPopup.show(); 1424 ListView listView = alternatesPopup.getListView(); 1425 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1426 // Checked item would be -1 if the adapter has not 1427 // loaded the view that should be checked yet. The 1428 // variable will be set correctly when onCheckedItemChanged 1429 // is called in a separate thread. 1430 if (mCheckedItem != -1) { 1431 listView.setItemChecked(mCheckedItem, true); 1432 mCheckedItem = -1; 1433 } 1434 } 1435 1436 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1437 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1438 ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1439 } 1440 1441 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1442 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1443 .getEntry()); 1444 } 1445 1446 @Override 1447 public void onCheckedItemChanged(int position) { 1448 ListView listView = mAlternatesPopup.getListView(); 1449 if (listView != null && listView.getCheckedItemCount() == 0) { 1450 listView.setItemChecked(position, true); 1451 } 1452 mCheckedItem = position; 1453 } 1454 1455 // TODO: This algorithm will need a lot of tweaking after more people have used 1456 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1457 // what comes before the finger. 1458 private int putOffsetInRange(int o) { 1459 int offset = o; 1460 Editable text = getText(); 1461 int length = text.length(); 1462 // Remove whitespace from end to find "real end" 1463 int realLength = length; 1464 for (int i = length - 1; i >= 0; i--) { 1465 if (text.charAt(i) == ' ') { 1466 realLength--; 1467 } else { 1468 break; 1469 } 1470 } 1471 1472 // If the offset is beyond or at the end of the text, 1473 // leave it alone. 1474 if (offset >= realLength) { 1475 return offset; 1476 } 1477 Editable editable = getText(); 1478 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1479 // Keep walking backward! 1480 offset--; 1481 } 1482 return offset; 1483 } 1484 1485 private static int findText(Editable text, int offset) { 1486 if (text.charAt(offset) != ' ') { 1487 return offset; 1488 } 1489 return -1; 1490 } 1491 1492 private RecipientChip findChip(int offset) { 1493 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1494 // Find the chip that contains this offset. 1495 for (int i = 0; i < chips.length; i++) { 1496 RecipientChip chip = chips[i]; 1497 int start = getChipStart(chip); 1498 int end = getChipEnd(chip); 1499 if (offset >= start && offset <= end) { 1500 return chip; 1501 } 1502 } 1503 return null; 1504 } 1505 1506 // Visible for testing. 1507 // Use this method to generate text to add to the list of addresses. 1508 /* package */String createAddressText(RecipientEntry entry) { 1509 String display = entry.getDisplayName(); 1510 String address = entry.getDestination(); 1511 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1512 display = null; 1513 } 1514 String trimmedDisplayText; 1515 if (isPhoneQuery() && isPhoneNumber(address)) { 1516 trimmedDisplayText = address.trim(); 1517 } else { 1518 if (address != null) { 1519 // Tokenize out the address in case the address already 1520 // contained the username as well. 1521 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1522 if (tokenized != null && tokenized.length > 0) { 1523 address = tokenized[0].getAddress(); 1524 } 1525 } 1526 Rfc822Token token = new Rfc822Token(display, address, null); 1527 trimmedDisplayText = token.toString().trim(); 1528 } 1529 int index = trimmedDisplayText.indexOf(","); 1530 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1531 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1532 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1533 } 1534 1535 // Visible for testing. 1536 // Use this method to generate text to display in a chip. 1537 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1538 String display = entry.getDisplayName(); 1539 String address = entry.getDestination(); 1540 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1541 display = null; 1542 } 1543 if (!TextUtils.isEmpty(display)) { 1544 return display; 1545 } else if (!TextUtils.isEmpty(address)){ 1546 return address; 1547 } else { 1548 return new Rfc822Token(display, address, null).toString(); 1549 } 1550 } 1551 1552 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1553 String displayText = createAddressText(entry); 1554 if (TextUtils.isEmpty(displayText)) { 1555 return null; 1556 } 1557 SpannableString chipText = null; 1558 // Always leave a blank space at the end of a chip. 1559 int textLength = displayText.length() - 1; 1560 chipText = new SpannableString(displayText); 1561 if (!mNoChips) { 1562 try { 1563 RecipientChip chip = constructChipSpan(entry, pressed, 1564 false /* leave space for contact icon */); 1565 chipText.setSpan(chip, 0, textLength, 1566 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1567 chip.setOriginalText(chipText.toString()); 1568 } catch (NullPointerException e) { 1569 Log.e(TAG, e.getMessage(), e); 1570 return null; 1571 } 1572 } 1573 return chipText; 1574 } 1575 1576 /** 1577 * When an item in the suggestions list has been clicked, create a chip from the 1578 * contact information of the selected item. 1579 */ 1580 @Override 1581 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1582 submitItemAtPosition(position); 1583 } 1584 1585 private void submitItemAtPosition(int position) { 1586 RecipientEntry entry = createValidatedEntry( 1587 (RecipientEntry)getAdapter().getItem(position)); 1588 if (entry == null) { 1589 return; 1590 } 1591 clearComposingText(); 1592 1593 int end = getSelectionEnd(); 1594 int start = mTokenizer.findTokenStart(getText(), end); 1595 1596 Editable editable = getText(); 1597 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1598 CharSequence chip = createChip(entry, false); 1599 if (chip != null && start >= 0 && end >= 0) { 1600 editable.replace(start, end, chip); 1601 } 1602 sanitizeBetween(); 1603 } 1604 1605 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1606 if (item == null) { 1607 return null; 1608 } 1609 final RecipientEntry entry; 1610 // If the display name and the address are the same, or if this is a 1611 // valid contact, but the destination is invalid, then make this a fake 1612 // recipient that is editable. 1613 String destination = item.getDestination(); 1614 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1615 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1616 destination, item.isValid()); 1617 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1618 && (TextUtils.isEmpty(item.getDisplayName()) 1619 || TextUtils.equals(item.getDisplayName(), destination) 1620 || (mValidator != null && !mValidator.isValid(destination)))) { 1621 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1622 } else { 1623 entry = item; 1624 } 1625 return entry; 1626 } 1627 1628 /** Returns a collection of contact Id for each chip inside this View. */ 1629 /* package */ Collection<Long> getContactIds() { 1630 final Set<Long> result = new HashSet<Long>(); 1631 RecipientChip[] chips = getSortedRecipients(); 1632 if (chips != null) { 1633 for (RecipientChip chip : chips) { 1634 result.add(chip.getContactId()); 1635 } 1636 } 1637 return result; 1638 } 1639 1640 1641 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1642 /* package */ Collection<Long> getDataIds() { 1643 final Set<Long> result = new HashSet<Long>(); 1644 RecipientChip [] chips = getSortedRecipients(); 1645 if (chips != null) { 1646 for (RecipientChip chip : chips) { 1647 result.add(chip.getDataId()); 1648 } 1649 } 1650 return result; 1651 } 1652 1653 // Visible for testing. 1654 /* package */RecipientChip[] getSortedRecipients() { 1655 RecipientChip[] recips = getSpannable() 1656 .getSpans(0, getText().length(), RecipientChip.class); 1657 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1658 .asList(recips)); 1659 final Spannable spannable = getSpannable(); 1660 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1661 1662 @Override 1663 public int compare(RecipientChip first, RecipientChip second) { 1664 int firstStart = spannable.getSpanStart(first); 1665 int secondStart = spannable.getSpanStart(second); 1666 if (firstStart < secondStart) { 1667 return -1; 1668 } else if (firstStart > secondStart) { 1669 return 1; 1670 } else { 1671 return 0; 1672 } 1673 } 1674 }); 1675 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1676 } 1677 1678 @Override 1679 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1680 return false; 1681 } 1682 1683 @Override 1684 public void onDestroyActionMode(ActionMode mode) { 1685 } 1686 1687 @Override 1688 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1689 return false; 1690 } 1691 1692 /** 1693 * No chips are selectable. 1694 */ 1695 @Override 1696 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1697 return false; 1698 } 1699 1700 // Visible for testing. 1701 /* package */ImageSpan getMoreChip() { 1702 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1703 MoreImageSpan.class); 1704 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1705 } 1706 1707 private MoreImageSpan createMoreSpan(int count) { 1708 String moreText = String.format(mMoreItem.getText().toString(), count); 1709 TextPaint morePaint = new TextPaint(getPaint()); 1710 morePaint.setTextSize(mMoreItem.getTextSize()); 1711 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1712 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1713 + mMoreItem.getPaddingRight(); 1714 int height = getLineHeight(); 1715 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1716 Canvas canvas = new Canvas(drawable); 1717 int adjustedHeight = height; 1718 Layout layout = getLayout(); 1719 if (layout != null) { 1720 adjustedHeight -= layout.getLineDescent(0); 1721 } 1722 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1723 1724 Drawable result = new BitmapDrawable(getResources(), drawable); 1725 result.setBounds(0, 0, width, height); 1726 return new MoreImageSpan(result); 1727 } 1728 1729 // Visible for testing. 1730 /*package*/ void createMoreChipPlainText() { 1731 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1732 Editable text = getText(); 1733 int start = 0; 1734 int end = start; 1735 for (int i = 0; i < CHIP_LIMIT; i++) { 1736 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1737 start = end; // move to the next token and get its end. 1738 } 1739 // Now, count total addresses. 1740 start = 0; 1741 int tokenCount = countTokens(text); 1742 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1743 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1744 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1745 text.replace(end, text.length(), chipText); 1746 mMoreChip = moreSpan; 1747 } 1748 1749 // Visible for testing. 1750 /* package */int countTokens(Editable text) { 1751 int tokenCount = 0; 1752 int start = 0; 1753 while (start < text.length()) { 1754 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1755 tokenCount++; 1756 if (start >= text.length()) { 1757 break; 1758 } 1759 } 1760 return tokenCount; 1761 } 1762 1763 /** 1764 * Create the more chip. The more chip is text that replaces any chips that 1765 * do not fit in the pre-defined available space when the 1766 * RecipientEditTextView loses focus. 1767 */ 1768 // Visible for testing. 1769 /* package */ void createMoreChip() { 1770 if (mNoChips) { 1771 createMoreChipPlainText(); 1772 return; 1773 } 1774 1775 if (!mShouldShrink) { 1776 return; 1777 } 1778 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1779 if (tempMore.length > 0) { 1780 getSpannable().removeSpan(tempMore[0]); 1781 } 1782 RecipientChip[] recipients = getSortedRecipients(); 1783 1784 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1785 mMoreChip = null; 1786 return; 1787 } 1788 Spannable spannable = getSpannable(); 1789 int numRecipients = recipients.length; 1790 int overage = numRecipients - CHIP_LIMIT; 1791 MoreImageSpan moreSpan = createMoreSpan(overage); 1792 mRemovedSpans = new ArrayList<RecipientChip>(); 1793 int totalReplaceStart = 0; 1794 int totalReplaceEnd = 0; 1795 Editable text = getText(); 1796 for (int i = numRecipients - overage; i < recipients.length; i++) { 1797 mRemovedSpans.add(recipients[i]); 1798 if (i == numRecipients - overage) { 1799 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1800 } 1801 if (i == recipients.length - 1) { 1802 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1803 } 1804 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1805 int spanStart = spannable.getSpanStart(recipients[i]); 1806 int spanEnd = spannable.getSpanEnd(recipients[i]); 1807 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1808 } 1809 spannable.removeSpan(recipients[i]); 1810 } 1811 if (totalReplaceEnd < text.length()) { 1812 totalReplaceEnd = text.length(); 1813 } 1814 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1815 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1816 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1817 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1818 text.replace(start, end, chipText); 1819 mMoreChip = moreSpan; 1820 // If adding the +more chip goes over the limit, resize accordingly. 1821 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1822 setMaxLines(getLineCount()); 1823 } 1824 } 1825 1826 /** 1827 * Replace the more chip, if it exists, with all of the recipient chips it had 1828 * replaced when the RecipientEditTextView gains focus. 1829 */ 1830 // Visible for testing. 1831 /*package*/ void removeMoreChip() { 1832 if (mMoreChip != null) { 1833 Spannable span = getSpannable(); 1834 span.removeSpan(mMoreChip); 1835 mMoreChip = null; 1836 // Re-add the spans that were removed. 1837 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1838 // Recreate each removed span. 1839 RecipientChip[] recipients = getSortedRecipients(); 1840 // Start the search for tokens after the last currently visible 1841 // chip. 1842 if (recipients == null || recipients.length == 0) { 1843 return; 1844 } 1845 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1846 Editable editable = getText(); 1847 for (RecipientChip chip : mRemovedSpans) { 1848 int chipStart; 1849 int chipEnd; 1850 String token; 1851 // Need to find the location of the chip, again. 1852 token = (String) chip.getOriginalText(); 1853 // As we find the matching recipient for the remove spans, 1854 // reduce the size of the string we need to search. 1855 // That way, if there are duplicates, we always find the correct 1856 // recipient. 1857 chipStart = editable.toString().indexOf(token, end); 1858 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1859 // Only set the span if we found a matching token. 1860 if (chipStart != -1) { 1861 editable.setSpan(chip, chipStart, chipEnd, 1862 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1863 } 1864 } 1865 mRemovedSpans.clear(); 1866 } 1867 } 1868 } 1869 1870 /** 1871 * Show specified chip as selected. If the RecipientChip is just an email address, 1872 * selecting the chip will take the contents of the chip and place it at 1873 * the end of the RecipientEditTextView for inline editing. If the 1874 * RecipientChip is a complete contact, then selecting the chip 1875 * will change the background color of the chip, show the delete icon, 1876 * and a popup window with the address in use highlighted and any other 1877 * alternate addresses for the contact. 1878 * @param currentChip Chip to select. 1879 * @return A RecipientChip in the selected state or null if the chip 1880 * just contained an email address. 1881 */ 1882 private RecipientChip selectChip(RecipientChip currentChip) { 1883 if (shouldShowEditableText(currentChip)) { 1884 CharSequence text = currentChip.getValue(); 1885 Editable editable = getText(); 1886 Spannable spannable = getSpannable(); 1887 int spanStart = spannable.getSpanStart(currentChip); 1888 int spanEnd = spannable.getSpanEnd(currentChip); 1889 spannable.removeSpan(currentChip); 1890 editable.delete(spanStart, spanEnd); 1891 setCursorVisible(true); 1892 setSelection(editable.length()); 1893 editable.append(text); 1894 return constructChipSpan( 1895 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1896 true, false); 1897 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1898 int start = getChipStart(currentChip); 1899 int end = getChipEnd(currentChip); 1900 getSpannable().removeSpan(currentChip); 1901 RecipientChip newChip; 1902 try { 1903 if (mNoChips) { 1904 return null; 1905 } 1906 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1907 } catch (NullPointerException e) { 1908 Log.e(TAG, e.getMessage(), e); 1909 return null; 1910 } 1911 Editable editable = getText(); 1912 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1913 if (start == -1 || end == -1) { 1914 Log.d(TAG, "The chip being selected no longer exists but should."); 1915 } else { 1916 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1917 } 1918 newChip.setSelected(true); 1919 if (shouldShowEditableText(newChip)) { 1920 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1921 } 1922 showAddress(newChip, mAddressPopup, getWidth()); 1923 setCursorVisible(false); 1924 return newChip; 1925 } else { 1926 int start = getChipStart(currentChip); 1927 int end = getChipEnd(currentChip); 1928 getSpannable().removeSpan(currentChip); 1929 RecipientChip newChip; 1930 try { 1931 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1932 } catch (NullPointerException e) { 1933 Log.e(TAG, e.getMessage(), e); 1934 return null; 1935 } 1936 Editable editable = getText(); 1937 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1938 if (start == -1 || end == -1) { 1939 Log.d(TAG, "The chip being selected no longer exists but should."); 1940 } else { 1941 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1942 } 1943 newChip.setSelected(true); 1944 if (shouldShowEditableText(newChip)) { 1945 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1946 } 1947 showAlternates(newChip, mAlternatesPopup, getWidth()); 1948 setCursorVisible(false); 1949 return newChip; 1950 } 1951 } 1952 1953 private boolean shouldShowEditableText(RecipientChip currentChip) { 1954 long contactId = currentChip.getContactId(); 1955 return contactId == RecipientEntry.INVALID_CONTACT 1956 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 1957 } 1958 1959 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1960 int width) { 1961 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1962 int bottom = calculateOffsetFromBottom(line); 1963 // Align the alternates popup with the left side of the View, 1964 // regardless of the position of the chip tapped. 1965 popup.setWidth(width); 1966 popup.setAnchorView(this); 1967 popup.setVerticalOffset(bottom); 1968 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1969 popup.setOnItemClickListener(new OnItemClickListener() { 1970 @Override 1971 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1972 unselectChip(currentChip); 1973 popup.dismiss(); 1974 } 1975 }); 1976 popup.show(); 1977 ListView listView = popup.getListView(); 1978 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1979 listView.setItemChecked(0, true); 1980 } 1981 1982 /** 1983 * Remove selection from this chip. Unselecting a RecipientChip will render 1984 * the chip without a delete icon and with an unfocused background. This is 1985 * called when the RecipientChip no longer has focus. 1986 */ 1987 private void unselectChip(RecipientChip chip) { 1988 int start = getChipStart(chip); 1989 int end = getChipEnd(chip); 1990 Editable editable = getText(); 1991 mSelectedChip = null; 1992 if (start == -1 || end == -1) { 1993 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1994 setSelection(editable.length()); 1995 commitDefault(); 1996 } else { 1997 getSpannable().removeSpan(chip); 1998 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1999 editable.removeSpan(chip); 2000 try { 2001 if (!mNoChips) { 2002 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2003 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2004 } 2005 } catch (NullPointerException e) { 2006 Log.e(TAG, e.getMessage(), e); 2007 } 2008 } 2009 setCursorVisible(true); 2010 setSelection(editable.length()); 2011 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2012 mAlternatesPopup.dismiss(); 2013 } 2014 } 2015 2016 /** 2017 * Return whether a touch event was inside the delete target of 2018 * a selected chip. It is in the delete target if: 2019 * 1) the x and y points of the event are within the 2020 * delete assset. 2021 * 2) the point tapped would have caused a cursor to appear 2022 * right after the selected chip. 2023 * @return boolean 2024 */ 2025 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2026 // Figure out the bounds of this chip and whether or not 2027 // the user clicked in the X portion. 2028 // TODO: Should x and y be used, or removed? 2029 return chip.isSelected() && offset == getChipEnd(chip); 2030 } 2031 2032 /** 2033 * Remove the chip and any text associated with it from the RecipientEditTextView. 2034 */ 2035 // Visible for testing. 2036 /*pacakge*/ void removeChip(RecipientChip chip) { 2037 Spannable spannable = getSpannable(); 2038 int spanStart = spannable.getSpanStart(chip); 2039 int spanEnd = spannable.getSpanEnd(chip); 2040 Editable text = getText(); 2041 int toDelete = spanEnd; 2042 boolean wasSelected = chip == mSelectedChip; 2043 // Clear that there is a selected chip before updating any text. 2044 if (wasSelected) { 2045 mSelectedChip = null; 2046 } 2047 // Always remove trailing spaces when removing a chip. 2048 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2049 toDelete++; 2050 } 2051 spannable.removeSpan(chip); 2052 if (spanStart >= 0 && toDelete > 0) { 2053 text.delete(spanStart, toDelete); 2054 } 2055 if (wasSelected) { 2056 clearSelectedChip(); 2057 } 2058 } 2059 2060 /** 2061 * Replace this currently selected chip with a new chip 2062 * that uses the contact data provided. 2063 */ 2064 // Visible for testing. 2065 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2066 boolean wasSelected = chip == mSelectedChip; 2067 if (wasSelected) { 2068 mSelectedChip = null; 2069 } 2070 int start = getChipStart(chip); 2071 int end = getChipEnd(chip); 2072 getSpannable().removeSpan(chip); 2073 Editable editable = getText(); 2074 CharSequence chipText = createChip(entry, false); 2075 if (chipText != null) { 2076 if (start == -1 || end == -1) { 2077 Log.e(TAG, "The chip to replace does not exist but should."); 2078 editable.insert(0, chipText); 2079 } else { 2080 if (!TextUtils.isEmpty(chipText)) { 2081 // There may be a space to replace with this chip's new 2082 // associated space. Check for it 2083 int toReplace = end; 2084 while (toReplace >= 0 && toReplace < editable.length() 2085 && editable.charAt(toReplace) == ' ') { 2086 toReplace++; 2087 } 2088 editable.replace(start, toReplace, chipText); 2089 } 2090 } 2091 } 2092 setCursorVisible(true); 2093 if (wasSelected) { 2094 clearSelectedChip(); 2095 } 2096 } 2097 2098 /** 2099 * Handle click events for a chip. When a selected chip receives a click 2100 * event, see if that event was in the delete icon. If so, delete it. 2101 * Otherwise, unselect the chip. 2102 */ 2103 public void onClick(RecipientChip chip, int offset, float x, float y) { 2104 if (chip.isSelected()) { 2105 if (isInDelete(chip, offset, x, y)) { 2106 removeChip(chip); 2107 } else { 2108 clearSelectedChip(); 2109 } 2110 } 2111 } 2112 2113 private boolean chipsPending() { 2114 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2115 } 2116 2117 @Override 2118 public void removeTextChangedListener(TextWatcher watcher) { 2119 mTextWatcher = null; 2120 super.removeTextChangedListener(watcher); 2121 } 2122 2123 private class RecipientTextWatcher implements TextWatcher { 2124 2125 @Override 2126 public void afterTextChanged(Editable s) { 2127 // If the text has been set to null or empty, make sure we remove 2128 // all the spans we applied. 2129 if (TextUtils.isEmpty(s)) { 2130 // Remove all the chips spans. 2131 Spannable spannable = getSpannable(); 2132 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2133 RecipientChip.class); 2134 for (RecipientChip chip : chips) { 2135 spannable.removeSpan(chip); 2136 } 2137 if (mMoreChip != null) { 2138 spannable.removeSpan(mMoreChip); 2139 } 2140 return; 2141 } 2142 // Get whether there are any recipients pending addition to the 2143 // view. If there are, don't do anything in the text watcher. 2144 if (chipsPending()) { 2145 return; 2146 } 2147 // If the user is editing a chip, don't clear it. 2148 if (mSelectedChip != null) { 2149 if (!isGeneratedContact(mSelectedChip)) { 2150 setCursorVisible(true); 2151 setSelection(getText().length()); 2152 clearSelectedChip(); 2153 } else { 2154 return; 2155 } 2156 } 2157 int length = s.length(); 2158 // Make sure there is content there to parse and that it is 2159 // not just the commit character. 2160 if (length > 1) { 2161 if (lastCharacterIsCommitCharacter(s)) { 2162 commitByCharacter(); 2163 return; 2164 } 2165 char last; 2166 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2167 int len = length() - 1; 2168 if (end != len) { 2169 last = s.charAt(end); 2170 } else { 2171 last = s.charAt(len); 2172 } 2173 if (last == COMMIT_CHAR_SPACE) { 2174 if (!isPhoneQuery()) { 2175 // Check if this is a valid email address. If it is, 2176 // commit it. 2177 String text = getText().toString(); 2178 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2179 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2180 tokenStart)); 2181 if (!TextUtils.isEmpty(sub) && mValidator != null && 2182 mValidator.isValid(sub)) { 2183 commitByCharacter(); 2184 } 2185 } 2186 } 2187 } 2188 } 2189 2190 @Override 2191 public void onTextChanged(CharSequence s, int start, int before, int count) { 2192 // The user deleted some text OR some text was replaced; check to 2193 // see if the insertion point is on a space 2194 // following a chip. 2195 if (before - count == 1) { 2196 // If the item deleted is a space, and the thing before the 2197 // space is a chip, delete the entire span. 2198 int selStart = getSelectionStart(); 2199 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2200 RecipientChip.class); 2201 if (repl.length > 0) { 2202 // There is a chip there! Just remove it. 2203 Editable editable = getText(); 2204 // Add the separator token. 2205 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2206 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2207 tokenEnd = tokenEnd + 1; 2208 if (tokenEnd > editable.length()) { 2209 tokenEnd = editable.length(); 2210 } 2211 editable.delete(tokenStart, tokenEnd); 2212 getSpannable().removeSpan(repl[0]); 2213 } 2214 } else if (count > before) { 2215 if (mSelectedChip != null 2216 && isGeneratedContact(mSelectedChip)) { 2217 if (lastCharacterIsCommitCharacter(s)) { 2218 commitByCharacter(); 2219 return; 2220 } 2221 } 2222 } 2223 } 2224 2225 @Override 2226 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2227 // Do nothing. 2228 } 2229 } 2230 2231 @Override 2232 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 2233 super.setAdapter(adapter); 2234 ((BaseRecipientAdapter) adapter) 2235 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 2236 @Override 2237 public void onChanged(List<RecipientEntry> entries) { 2238 if (entries != null && entries.size() > 0) { 2239 scrollBottomIntoView(); 2240 } 2241 } 2242 }); 2243 } 2244 2245 private void scrollBottomIntoView() { 2246 if (mScrollView != null && mShouldShrink) { 2247 int[] location = new int[2]; 2248 getLocationOnScreen(location); 2249 int height = getHeight(); 2250 int currentPos = location[1] + height; 2251 // Desired position shows at least 1 line of chips below the action 2252 // bar. 2253 // We add excess padding to make sure this is always below other 2254 // content. 2255 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 2256 if (currentPos > desiredPos) { 2257 mScrollView.scrollBy(0, currentPos - desiredPos); 2258 } 2259 } 2260 } 2261 2262 private int getExcessTopPadding() { 2263 if (sExcessTopPadding == -1) { 2264 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 2265 } 2266 return sExcessTopPadding; 2267 } 2268 2269 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2270 char last; 2271 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2272 int len = length() - 1; 2273 if (end != len) { 2274 last = s.charAt(end); 2275 } else { 2276 last = s.charAt(len); 2277 } 2278 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2279 } 2280 2281 public boolean isGeneratedContact(RecipientChip chip) { 2282 long contactId = chip.getContactId(); 2283 return contactId == RecipientEntry.INVALID_CONTACT 2284 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2285 } 2286 2287 /** 2288 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2289 */ 2290 private void handlePasteClip(ClipData clip) { 2291 removeTextChangedListener(mTextWatcher); 2292 2293 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2294 for (int i = 0; i < clip.getItemCount(); i++) { 2295 CharSequence paste = clip.getItemAt(i).getText(); 2296 if (paste != null) { 2297 int start = getSelectionStart(); 2298 int end = getSelectionEnd(); 2299 Editable editable = getText(); 2300 if (start >= 0 && end >= 0 && start != end) { 2301 editable.append(paste, start, end); 2302 } else { 2303 editable.insert(end, paste); 2304 } 2305 handlePasteAndReplace(); 2306 } 2307 } 2308 } 2309 2310 mHandler.post(mAddTextWatcher); 2311 } 2312 2313 @Override 2314 public boolean onTextContextMenuItem(int id) { 2315 if (id == android.R.id.paste) { 2316 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2317 Context.CLIPBOARD_SERVICE); 2318 handlePasteClip(clipboard.getPrimaryClip()); 2319 return true; 2320 } 2321 return super.onTextContextMenuItem(id); 2322 } 2323 2324 private void handlePasteAndReplace() { 2325 ArrayList<RecipientChip> created = handlePaste(); 2326 if (created != null && created.size() > 0) { 2327 // Perform reverse lookups on the pasted contacts. 2328 IndividualReplacementTask replace = new IndividualReplacementTask(); 2329 replace.execute(created); 2330 } 2331 } 2332 2333 // Visible for testing. 2334 /* package */ArrayList<RecipientChip> handlePaste() { 2335 String text = getText().toString(); 2336 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2337 String lastAddress = text.substring(originalTokenStart); 2338 int tokenStart = originalTokenStart; 2339 int prevTokenStart = tokenStart; 2340 RecipientChip findChip = null; 2341 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2342 if (tokenStart != 0) { 2343 // There are things before this! 2344 while (tokenStart != 0 && findChip == null) { 2345 prevTokenStart = tokenStart; 2346 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2347 findChip = findChip(tokenStart); 2348 } 2349 if (tokenStart != originalTokenStart) { 2350 if (findChip != null) { 2351 tokenStart = prevTokenStart; 2352 } 2353 int tokenEnd; 2354 RecipientChip createdChip; 2355 while (tokenStart < originalTokenStart) { 2356 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2357 tokenStart)); 2358 commitChip(tokenStart, tokenEnd, getText()); 2359 createdChip = findChip(tokenStart); 2360 if (createdChip == null) { 2361 break; 2362 } 2363 // +1 for the space at the end. 2364 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2365 created.add(createdChip); 2366 } 2367 } 2368 } 2369 // Take a look at the last token. If the token has been completed with a 2370 // commit character, create a chip. 2371 if (isCompletedToken(lastAddress)) { 2372 Editable editable = getText(); 2373 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2374 commitChip(tokenStart, editable.length(), editable); 2375 created.add(findChip(tokenStart)); 2376 } 2377 return created; 2378 } 2379 2380 // Visible for testing. 2381 /* package */int movePastTerminators(int tokenEnd) { 2382 if (tokenEnd >= length()) { 2383 return tokenEnd; 2384 } 2385 char atEnd = getText().toString().charAt(tokenEnd); 2386 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2387 tokenEnd++; 2388 } 2389 // This token had not only an end token character, but also a space 2390 // separating it from the next token. 2391 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2392 tokenEnd++; 2393 } 2394 return tokenEnd; 2395 } 2396 2397 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2398 private RecipientChip createFreeChip(RecipientEntry entry) { 2399 try { 2400 if (mNoChips) { 2401 return null; 2402 } 2403 return constructChipSpan(entry, false, 2404 false /*leave space for contact icon */); 2405 } catch (NullPointerException e) { 2406 Log.e(TAG, e.getMessage(), e); 2407 return null; 2408 } 2409 } 2410 2411 @Override 2412 protected void onPreExecute() { 2413 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2414 // replaced 2415 final List<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2416 final RecipientChip[] existingChips = getSortedRecipients(); 2417 for (int i = 0; i < existingChips.length; i++) { 2418 originalRecipients.add(existingChips[i]); 2419 } 2420 if (mRemovedSpans != null) { 2421 originalRecipients.addAll(mRemovedSpans); 2422 } 2423 2424 final List<RecipientChip> replacements = 2425 new ArrayList<RecipientChip>(originalRecipients.size()); 2426 2427 for (final RecipientChip chip : originalRecipients) { 2428 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2429 && getSpannable().getSpanStart(chip) != -1) { 2430 replacements.add(createFreeChip(chip.getEntry())); 2431 } else { 2432 replacements.add(null); 2433 } 2434 } 2435 2436 processReplacements(originalRecipients, replacements); 2437 } 2438 2439 @Override 2440 protected Void doInBackground(Void... params) { 2441 if (mIndividualReplacements != null) { 2442 mIndividualReplacements.cancel(true); 2443 } 2444 // For each chip in the list, look up the matching contact. 2445 // If there is a match, replace that chip with the matching 2446 // chip. 2447 final ArrayList<RecipientChip> recipients = new ArrayList<RecipientChip>(); 2448 RecipientChip[] existingChips = getSortedRecipients(); 2449 for (int i = 0; i < existingChips.length; i++) { 2450 recipients.add(existingChips[i]); 2451 } 2452 if (mRemovedSpans != null) { 2453 recipients.addAll(mRemovedSpans); 2454 } 2455 ArrayList<String> addresses = new ArrayList<String>(); 2456 RecipientChip chip; 2457 for (int i = 0; i < recipients.size(); i++) { 2458 chip = recipients.get(i); 2459 if (chip != null) { 2460 addresses.add(createAddressText(chip.getEntry())); 2461 } 2462 } 2463 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2464 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2465 new RecipientMatchCallback() { 2466 2467 @Override 2468 public void matchesFound(Map<String, RecipientEntry> entries) { 2469 final ArrayList<RecipientChip> replacements = 2470 new ArrayList<RecipientChip>(); 2471 for (final RecipientChip temp : recipients) { 2472 RecipientEntry entry = null; 2473 if (temp != null && RecipientEntry.isCreatedRecipient( 2474 temp.getEntry().getContactId()) 2475 && getSpannable().getSpanStart(temp) != -1) { 2476 // Replace this. 2477 entry = createValidatedEntry( 2478 entries.get(tokenizeAddress(temp.getEntry() 2479 .getDestination()))); 2480 } 2481 if (entry != null) { 2482 replacements.add(createFreeChip(entry)); 2483 } else { 2484 replacements.add(null); 2485 } 2486 } 2487 processReplacements(recipients, replacements); 2488 } 2489 2490 @Override 2491 public void matchesNotFound(final Set<String> unfoundAddresses) { 2492 final List<RecipientChip> replacements = 2493 new ArrayList<RecipientChip>(unfoundAddresses.size()); 2494 2495 for (final RecipientChip temp : recipients) { 2496 if (temp != null && RecipientEntry.isCreatedRecipient( 2497 temp.getEntry().getContactId()) 2498 && getSpannable().getSpanStart(temp) != -1) { 2499 if (unfoundAddresses.contains( 2500 temp.getEntry().getDestination())) { 2501 replacements.add(createFreeChip(temp.getEntry())); 2502 } else { 2503 replacements.add(null); 2504 } 2505 } else { 2506 replacements.add(null); 2507 } 2508 } 2509 2510 processReplacements(recipients, replacements); 2511 } 2512 }); 2513 return null; 2514 } 2515 2516 private void processReplacements(final List<RecipientChip> recipients, 2517 final List<RecipientChip> replacements) { 2518 if (replacements != null && replacements.size() > 0) { 2519 final Runnable runnable = new Runnable() { 2520 @Override 2521 public void run() { 2522 Editable oldText = getText(); 2523 int start, end; 2524 int i = 0; 2525 for (RecipientChip chip : recipients) { 2526 RecipientChip replacement = replacements.get(i); 2527 if (replacement != null) { 2528 final RecipientEntry oldEntry = chip.getEntry(); 2529 final RecipientEntry newEntry = replacement.getEntry(); 2530 final boolean isBetter = 2531 RecipientAlternatesAdapter.getBetterRecipient( 2532 oldEntry, newEntry) == newEntry; 2533 2534 if (isBetter) { 2535 // Find the location of the chip in the text currently shown. 2536 start = oldText.getSpanStart(chip); 2537 if (start != -1) { 2538 // Replacing the entirety of what the chip represented, 2539 // including the extra space dividing it from other chips. 2540 end = oldText.getSpanEnd(chip) + 1; 2541 oldText.removeSpan(chip); 2542 // Make sure we always have just 1 space at the end to 2543 // separate this chip from the next chip. 2544 SpannableString displayText = 2545 new SpannableString(createAddressText( 2546 replacement.getEntry()).trim() 2547 + " "); 2548 displayText.setSpan(replacement, 0, 2549 displayText.length() - 1, 2550 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2551 // Replace the old text we found with with the new display 2552 // text, which now may also contain the display name of the 2553 // recipient. 2554 oldText.replace(start, end, displayText); 2555 replacement.setOriginalText(displayText.toString()); 2556 replacements.set(i, null); 2557 2558 recipients.set(i, replacement); 2559 } 2560 } 2561 } 2562 i++; 2563 } 2564 } 2565 }; 2566 2567 if (Looper.myLooper() == Looper.getMainLooper()) { 2568 runnable.run(); 2569 } else { 2570 mHandler.post(runnable); 2571 } 2572 } 2573 } 2574 } 2575 2576 private class IndividualReplacementTask 2577 extends AsyncTask<ArrayList<RecipientChip>, Void, Void> { 2578 @Override 2579 protected Void doInBackground(ArrayList<RecipientChip>... params) { 2580 // For each chip in the list, look up the matching contact. 2581 // If there is a match, replace that chip with the matching 2582 // chip. 2583 final ArrayList<RecipientChip> originalRecipients = params[0]; 2584 ArrayList<String> addresses = new ArrayList<String>(); 2585 RecipientChip chip; 2586 for (int i = 0; i < originalRecipients.size(); i++) { 2587 chip = originalRecipients.get(i); 2588 if (chip != null) { 2589 addresses.add(createAddressText(chip.getEntry())); 2590 } 2591 } 2592 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2593 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2594 new RecipientMatchCallback() { 2595 2596 @Override 2597 public void matchesFound(Map<String, RecipientEntry> entries) { 2598 for (final RecipientChip temp : originalRecipients) { 2599 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2600 .getContactId()) 2601 && getSpannable().getSpanStart(temp) != -1) { 2602 // Replace this. 2603 RecipientEntry entry = createValidatedEntry(entries 2604 .get(tokenizeAddress(temp.getEntry().getDestination()) 2605 .toLowerCase())); 2606 // If we don't have a validated contact 2607 // match, just use the 2608 // entry as it existed before. 2609 if (entry == null && !isPhoneQuery()) { 2610 entry = temp.getEntry(); 2611 } 2612 final RecipientEntry tempEntry = entry; 2613 if (tempEntry != null) { 2614 mHandler.post(new Runnable() { 2615 @Override 2616 public void run() { 2617 replaceChip(temp, tempEntry); 2618 } 2619 }); 2620 } 2621 } 2622 } 2623 } 2624 2625 @Override 2626 public void matchesNotFound(final Set<String> unfoundAddresses) { 2627 // No action required 2628 } 2629 }); 2630 return null; 2631 } 2632 } 2633 2634 2635 /** 2636 * MoreImageSpan is a simple class created for tracking the existence of a 2637 * more chip across activity restarts/ 2638 */ 2639 private class MoreImageSpan extends ImageSpan { 2640 public MoreImageSpan(Drawable b) { 2641 super(b); 2642 } 2643 } 2644 2645 @Override 2646 public boolean onDown(MotionEvent e) { 2647 return false; 2648 } 2649 2650 @Override 2651 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2652 // Do nothing. 2653 return false; 2654 } 2655 2656 @Override 2657 public void onLongPress(MotionEvent event) { 2658 if (mSelectedChip != null) { 2659 return; 2660 } 2661 float x = event.getX(); 2662 float y = event.getY(); 2663 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2664 RecipientChip currentChip = findChip(offset); 2665 if (currentChip != null) { 2666 if (mDragEnabled) { 2667 // Start drag-and-drop for the selected chip. 2668 startDrag(currentChip); 2669 } else { 2670 // Copy the selected chip email address. 2671 showCopyDialog(currentChip.getEntry().getDestination()); 2672 } 2673 } 2674 } 2675 2676 /** 2677 * Enables drag-and-drop for chips. 2678 */ 2679 public void enableDrag() { 2680 mDragEnabled = true; 2681 } 2682 2683 /** 2684 * Starts drag-and-drop for the selected chip. 2685 */ 2686 private void startDrag(RecipientChip currentChip) { 2687 String address = currentChip.getEntry().getDestination(); 2688 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2689 2690 // Start drag mode. 2691 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2692 2693 // Remove the current chip, so drag-and-drop will result in a move. 2694 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2695 removeChip(currentChip); 2696 } 2697 2698 /** 2699 * Handles drag event. 2700 */ 2701 @Override 2702 public boolean onDragEvent(DragEvent event) { 2703 switch (event.getAction()) { 2704 case DragEvent.ACTION_DRAG_STARTED: 2705 // Only handle plain text drag and drop. 2706 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2707 case DragEvent.ACTION_DRAG_ENTERED: 2708 requestFocus(); 2709 return true; 2710 case DragEvent.ACTION_DROP: 2711 handlePasteClip(event.getClipData()); 2712 return true; 2713 } 2714 return false; 2715 } 2716 2717 /** 2718 * Drag shadow for a {@link RecipientChip}. 2719 */ 2720 private final class RecipientChipShadow extends DragShadowBuilder { 2721 private final RecipientChip mChip; 2722 2723 public RecipientChipShadow(RecipientChip chip) { 2724 mChip = chip; 2725 } 2726 2727 @Override 2728 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2729 Rect rect = mChip.getBounds(); 2730 shadowSize.set(rect.width(), rect.height()); 2731 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2732 } 2733 2734 @Override 2735 public void onDrawShadow(Canvas canvas) { 2736 mChip.draw(canvas); 2737 } 2738 } 2739 2740 private void showCopyDialog(final String address) { 2741 mCopyAddress = address; 2742 mCopyDialog.setTitle(address); 2743 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2744 mCopyDialog.setCancelable(true); 2745 mCopyDialog.setCanceledOnTouchOutside(true); 2746 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2747 button.setOnClickListener(this); 2748 int btnTitleId; 2749 if (isPhoneQuery()) { 2750 btnTitleId = R.string.copy_number; 2751 } else { 2752 btnTitleId = R.string.copy_email; 2753 } 2754 String buttonTitle = getContext().getResources().getString(btnTitleId); 2755 button.setText(buttonTitle); 2756 mCopyDialog.setOnDismissListener(this); 2757 mCopyDialog.show(); 2758 } 2759 2760 @Override 2761 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2762 // Do nothing. 2763 return false; 2764 } 2765 2766 @Override 2767 public void onShowPress(MotionEvent e) { 2768 // Do nothing. 2769 } 2770 2771 @Override 2772 public boolean onSingleTapUp(MotionEvent e) { 2773 // Do nothing. 2774 return false; 2775 } 2776 2777 @Override 2778 public void onDismiss(DialogInterface dialog) { 2779 mCopyAddress = null; 2780 } 2781 2782 @Override 2783 public void onClick(View v) { 2784 // Copy this to the clipboard. 2785 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2786 Context.CLIPBOARD_SERVICE); 2787 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2788 mCopyDialog.dismiss(); 2789 } 2790 2791 protected boolean isPhoneQuery() { 2792 return getAdapter() != null 2793 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2794 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2795 } 2796} 2797