RecipientEditTextView.java revision 444f2054519c0f5d96d9352ac30e03787a881d80
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.graphics.Bitmap; 27import android.graphics.BitmapFactory; 28import android.graphics.Canvas; 29import android.graphics.Matrix; 30import android.graphics.Point; 31import android.graphics.Rect; 32import android.graphics.RectF; 33import android.graphics.drawable.BitmapDrawable; 34import android.graphics.drawable.Drawable; 35import android.os.AsyncTask; 36import android.os.Handler; 37import android.os.Message; 38import android.os.Parcelable; 39import android.text.Editable; 40import android.text.InputType; 41import android.text.Layout; 42import android.text.Spannable; 43import android.text.SpannableString; 44import android.text.SpannableStringBuilder; 45import android.text.Spanned; 46import android.text.TextPaint; 47import android.text.TextUtils; 48import android.text.TextWatcher; 49import android.text.method.QwertyKeyListener; 50import android.text.style.ImageSpan; 51import android.text.util.Rfc822Token; 52import android.text.util.Rfc822Tokenizer; 53import android.util.AttributeSet; 54import android.util.Log; 55import android.view.ActionMode; 56import android.view.ActionMode.Callback; 57import android.view.DragEvent; 58import android.view.GestureDetector; 59import android.view.KeyEvent; 60import android.view.LayoutInflater; 61import android.view.Menu; 62import android.view.MenuItem; 63import android.view.MotionEvent; 64import android.view.View; 65import android.view.View.OnClickListener; 66import android.view.ViewParent; 67import android.widget.AdapterView; 68import android.widget.AdapterView.OnItemClickListener; 69import android.widget.ListAdapter; 70import android.widget.ListPopupWindow; 71import android.widget.ListView; 72import android.widget.MultiAutoCompleteTextView; 73import android.widget.PopupWindow; 74import android.widget.ScrollView; 75import android.widget.TextView; 76 77import java.util.ArrayList; 78import java.util.Arrays; 79import java.util.Collection; 80import java.util.Collections; 81import java.util.Comparator; 82import java.util.HashMap; 83import java.util.HashSet; 84import java.util.Set; 85 86/** 87 * RecipientEditTextView is an auto complete text view for use with applications 88 * that use the new Chips UI for addressing a message to recipients. 89 */ 90public class RecipientEditTextView extends MultiAutoCompleteTextView implements 91 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 92 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 93 PopupWindow.OnDismissListener { 94 95 private static final char COMMIT_CHAR_COMMA = ','; 96 97 private static final char COMMIT_CHAR_SEMICOLON = ';'; 98 99 private static final char COMMIT_CHAR_SPACE = ' '; 100 101 private static final String TAG = "RecipientEditTextView"; 102 103 private static int DISMISS = "dismiss".hashCode(); 104 105 private static final long DISMISS_DELAY = 300; 106 107 // TODO: get correct number/ algorithm from with UX. 108 // Visible for testing. 109 /*package*/ static final int CHIP_LIMIT = 2; 110 111 private static final int MAX_CHIPS_PARSED = 50; 112 113 private static int sSelectedTextColor = -1; 114 115 // Resources for displaying chips. 116 private Drawable mChipBackground = null; 117 118 private Drawable mChipDelete = null; 119 120 private Drawable mInvalidChipBackground; 121 122 private Drawable mChipBackgroundPressed; 123 124 private float mChipHeight; 125 126 private float mChipFontSize; 127 128 private int mChipPadding; 129 130 private Tokenizer mTokenizer; 131 132 private Validator mValidator; 133 134 private RecipientChip mSelectedChip; 135 136 private int mAlternatesLayout; 137 138 private Bitmap mDefaultContactPhoto; 139 140 private ImageSpan mMoreChip; 141 142 private TextView mMoreItem; 143 144 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 145 146 private Handler mHandler; 147 148 private int mPendingChipsCount = 0; 149 150 private boolean mNoChips = false; 151 152 private ListPopupWindow mAlternatesPopup; 153 154 private ListPopupWindow mAddressPopup; 155 156 private ArrayList<RecipientChip> mTemporaryRecipients; 157 158 private ArrayList<RecipientChip> mRemovedSpans; 159 160 private boolean mShouldShrink = true; 161 162 // Chip copy fields. 163 private GestureDetector mGestureDetector; 164 165 private Dialog mCopyDialog; 166 167 private int mCopyViewRes; 168 169 private String mCopyAddress; 170 171 /** 172 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 173 * selected chip. 174 */ 175 private OnItemClickListener mAlternatesListener; 176 177 private int mCheckedItem; 178 179 private TextWatcher mTextWatcher; 180 181 // Obtain the enclosing scroll view, if it exists, so that the view can be 182 // scrolled to show the last line of chips content. 183 private ScrollView mScrollView; 184 185 private boolean mTriedGettingScrollView; 186 187 private boolean mDragEnabled = false; 188 189 private final Runnable mAddTextWatcher = new Runnable() { 190 @Override 191 public void run() { 192 if (mTextWatcher == null) { 193 mTextWatcher = new RecipientTextWatcher(); 194 addTextChangedListener(mTextWatcher); 195 } 196 } 197 }; 198 199 private IndividualReplacementTask mIndividualReplacements; 200 201 private Runnable mHandlePendingChips = new Runnable() { 202 203 @Override 204 public void run() { 205 handlePendingChips(); 206 } 207 208 }; 209 210 private Runnable mDelayedShrink = new Runnable() { 211 212 @Override 213 public void run() { 214 shrink(); 215 } 216 217 }; 218 219 public RecipientEditTextView(Context context, AttributeSet attrs) { 220 super(context, attrs); 221 if (sSelectedTextColor == -1) { 222 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 223 } 224 mAlternatesPopup = new ListPopupWindow(context); 225 mAlternatesPopup.setOnDismissListener(this); 226 mAddressPopup = new ListPopupWindow(context); 227 mAddressPopup.setOnDismissListener(this); 228 mCopyDialog = new Dialog(context); 229 mAlternatesListener = new OnItemClickListener() { 230 @Override 231 public void onItemClick(AdapterView<?> adapterView,View view, int position, 232 long rowId) { 233 mAlternatesPopup.setOnItemClickListener(null); 234 setEnabled(true); 235 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 236 .getRecipientEntry(position)); 237 Message delayed = Message.obtain(mHandler, DISMISS); 238 delayed.obj = mAlternatesPopup; 239 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 240 clearComposingText(); 241 } 242 }; 243 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 244 setOnItemClickListener(this); 245 setCustomSelectionActionModeCallback(this); 246 mHandler = new Handler() { 247 @Override 248 public void handleMessage(Message msg) { 249 if (msg.what == DISMISS) { 250 ((ListPopupWindow) msg.obj).dismiss(); 251 return; 252 } 253 super.handleMessage(msg); 254 } 255 }; 256 mTextWatcher = new RecipientTextWatcher(); 257 addTextChangedListener(mTextWatcher); 258 mGestureDetector = new GestureDetector(context, this); 259 } 260 261 /*package*/ RecipientChip getLastChip() { 262 RecipientChip last = null; 263 RecipientChip[] chips = getSortedRecipients(); 264 if (chips != null && chips.length > 0) { 265 last = chips[chips.length - 1]; 266 } 267 return last; 268 } 269 270 @Override 271 public void onSelectionChanged(int start, int end) { 272 // When selection changes, see if it is inside the chips area. 273 // If so, move the cursor back after the chips again. 274 RecipientChip last = getLastChip(); 275 if (last != null && start < getSpannable().getSpanEnd(last)) { 276 // Grab the last chip and set the cursor to after it. 277 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 278 } 279 super.onSelectionChanged(start, end); 280 } 281 282 @Override 283 public void onRestoreInstanceState(Parcelable state) { 284 if (!TextUtils.isEmpty(getText())) { 285 super.onRestoreInstanceState(null); 286 } else { 287 super.onRestoreInstanceState(state); 288 } 289 } 290 291 @Override 292 public Parcelable onSaveInstanceState() { 293 // If the user changes orientation while they are editing, just roll back the selection. 294 clearSelectedChip(); 295 return super.onSaveInstanceState(); 296 } 297 298 /** 299 * Convenience method: Append the specified text slice to the TextView's 300 * display buffer, upgrading it to BufferType.EDITABLE if it was 301 * not already editable. Commas are excluded as they are added automatically 302 * by the view. 303 */ 304 @Override 305 public void append(CharSequence text, int start, int end) { 306 // We don't care about watching text changes while appending. 307 if (mTextWatcher != null) { 308 removeTextChangedListener(mTextWatcher); 309 } 310 super.append(text, start, end); 311 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 312 final String displayString = (String) text; 313 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 314 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 315 && TextUtils.getTrimmedLength(displayString) > 0) { 316 mPendingChipsCount++; 317 mPendingChips.add((String)text); 318 } 319 } 320 // Put a message on the queue to make sure we ALWAYS handle pending chips. 321 if (mPendingChipsCount > 0) { 322 postHandlePendingChips(); 323 } 324 mHandler.post(mAddTextWatcher); 325 } 326 327 @Override 328 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 329 super.onFocusChanged(hasFocus, direction, previous); 330 if (!hasFocus) { 331 shrink(); 332 } else { 333 expand(); 334 scrollLineIntoView(getLineCount()); 335 } 336 } 337 338 @Override 339 public void performValidation() { 340 // Do nothing. Chips handles its own validation. 341 } 342 343 private void shrink() { 344 if (mSelectedChip != null 345 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 346 clearSelectedChip(); 347 } else { 348 if (getWidth() <= 0) { 349 // We don't have the width yet which means the view hasn't been drawn yet 350 // and there is no reason to attempt to commit chips yet. 351 // This focus lost must be the result of an orientation change 352 // or an initial rendering. 353 // Re-post the shrink for later. 354 mHandler.removeCallbacks(mDelayedShrink); 355 mHandler.post(mDelayedShrink); 356 return; 357 } 358 // Reset any pending chips as they would have been handled 359 // when the field lost focus. 360 if (mPendingChipsCount > 0) { 361 postHandlePendingChips(); 362 } else { 363 Editable editable = getText(); 364 int end = getSelectionEnd(); 365 int start = mTokenizer.findTokenStart(editable, end); 366 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 367 if ((chips == null || chips.length == 0)) { 368 Editable text = getText(); 369 int whatEnd = mTokenizer.findTokenEnd(text, start); 370 // This token was already tokenized, so skip past the ending token. 371 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 372 whatEnd++; 373 } 374 // In the middle of chip; treat this as an edit 375 // and commit the whole token. 376 int selEnd = getSelectionEnd(); 377 if (whatEnd != selEnd) { 378 handleEdit(start, whatEnd); 379 } else { 380 commitChip(start, end, editable); 381 } 382 } 383 } 384 mHandler.post(mAddTextWatcher); 385 } 386 createMoreChip(); 387 } 388 389 private void expand() { 390 removeMoreChip(); 391 setCursorVisible(true); 392 Editable text = getText(); 393 setSelection(text != null && text.length() > 0 ? text.length() : 0); 394 // If there are any temporary chips, try replacing them now that the user 395 // has expanded the field. 396 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 397 new RecipientReplacementTask().execute(); 398 mTemporaryRecipients = null; 399 } 400 } 401 402 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 403 paint.setTextSize(mChipFontSize); 404 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 405 Log.d(TAG, "Max width is negative: " + maxWidth); 406 } 407 return TextUtils.ellipsize(text, paint, maxWidth, 408 TextUtils.TruncateAt.END); 409 } 410 411 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 412 // Ellipsize the text so that it takes AT MOST the entire width of the 413 // autocomplete text entry area. Make sure to leave space for padding 414 // on the sides. 415 int height = (int) mChipHeight; 416 int deleteWidth = height; 417 float[] widths = new float[1]; 418 paint.getTextWidths(" ", widths); 419 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 420 calculateAvailableWidth(true) - deleteWidth - widths[0]); 421 422 // Make sure there is a minimum chip width so the user can ALWAYS 423 // tap a chip without difficulty. 424 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 425 ellipsizedText.length())) 426 + (mChipPadding * 2) + deleteWidth); 427 428 // Create the background of the chip. 429 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 430 Canvas canvas = new Canvas(tmpBitmap); 431 if (mChipBackgroundPressed != null) { 432 mChipBackgroundPressed.setBounds(0, 0, width, height); 433 mChipBackgroundPressed.draw(canvas); 434 paint.setColor(sSelectedTextColor); 435 // Vertically center the text in the chip. 436 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 437 getTextYOffset((String) ellipsizedText, paint, height), paint); 438 // Make the delete a square. 439 Rect backgroundPadding = new Rect(); 440 mChipBackgroundPressed.getPadding(backgroundPadding); 441 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 442 0 + backgroundPadding.top, 443 width - backgroundPadding.right, 444 height - backgroundPadding.bottom); 445 mChipDelete.draw(canvas); 446 } else { 447 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 448 } 449 return tmpBitmap; 450 } 451 452 453 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 454 // Ellipsize the text so that it takes AT MOST the entire width of the 455 // autocomplete text entry area. Make sure to leave space for padding 456 // on the sides. 457 int height = (int) mChipHeight; 458 int iconWidth = height; 459 float[] widths = new float[1]; 460 paint.getTextWidths(" ", widths); 461 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 462 calculateAvailableWidth(false) - iconWidth - widths[0]); 463 // Make sure there is a minimum chip width so the user can ALWAYS 464 // tap a chip without difficulty. 465 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 466 ellipsizedText.length())) 467 + (mChipPadding * 2) + iconWidth); 468 469 // Create the background of the chip. 470 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 471 Canvas canvas = new Canvas(tmpBitmap); 472 Drawable background = getChipBackground(contact); 473 if (background != null) { 474 background.setBounds(0, 0, width, height); 475 background.draw(canvas); 476 477 // Don't draw photos for recipients that have been typed in. 478 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 479 byte[] photoBytes = contact.getPhotoBytes(); 480 // There may not be a photo yet if anything but the first contact address 481 // was selected. 482 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 483 // TODO: cache this in the recipient entry? 484 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 485 .getPhotoThumbnailUri()); 486 photoBytes = contact.getPhotoBytes(); 487 } 488 489 Bitmap photo; 490 if (photoBytes != null) { 491 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 492 } else { 493 // TODO: can the scaled down default photo be cached? 494 photo = mDefaultContactPhoto; 495 } 496 // Draw the photo on the left side. 497 if (photo != null) { 498 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 499 Rect backgroundPadding = new Rect(); 500 mChipBackground.getPadding(backgroundPadding); 501 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 502 0 + backgroundPadding.top, 503 width - backgroundPadding.right, 504 height - backgroundPadding.bottom); 505 Matrix matrix = new Matrix(); 506 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 507 canvas.drawBitmap(photo, matrix, paint); 508 } 509 } else { 510 // Don't leave any space for the icon. It isn't being drawn. 511 iconWidth = 0; 512 } 513 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 514 // Vertically center the text in the chip. 515 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 516 getTextYOffset((String)ellipsizedText, paint, height), paint); 517 } else { 518 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 519 } 520 return tmpBitmap; 521 } 522 523 /** 524 * Get the background drawable for a RecipientChip. 525 */ 526 // Visible for testing. 527 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 528 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 529 mChipBackground : mInvalidChipBackground; 530 } 531 532 private float getTextYOffset(String text, TextPaint paint, int height) { 533 Rect bounds = new Rect(); 534 paint.getTextBounds(text, 0, text.length(), bounds); 535 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 536 return height - ((height - textHeight) / 2); 537 } 538 539 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 540 throws NullPointerException { 541 if (mChipBackground == null) { 542 throw new NullPointerException( 543 "Unable to render any chips as setChipDimensions was not called."); 544 } 545 Layout layout = getLayout(); 546 547 TextPaint paint = getPaint(); 548 float defaultSize = paint.getTextSize(); 549 int defaultColor = paint.getColor(); 550 551 Bitmap tmpBitmap; 552 if (pressed) { 553 tmpBitmap = createSelectedChip(contact, paint, layout); 554 555 } else { 556 tmpBitmap = createUnselectedChip(contact, paint, layout); 557 } 558 559 // Pass the full text, un-ellipsized, to the chip. 560 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 561 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 562 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 563 // Return text to the original size. 564 paint.setTextSize(defaultSize); 565 paint.setColor(defaultColor); 566 return recipientChip; 567 } 568 569 /** 570 * Calculate the bottom of the line the chip will be located on using: 571 * 1) which line the chip appears on 572 * 2) the height of a chip 573 * 3) padding built into the edit text view 574 */ 575 private int calculateOffsetFromBottom(int line) { 576 // Line offsets start at zero. 577 int actualLine = getLineCount() - (line + 1); 578 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 579 + getDropDownVerticalOffset(); 580 } 581 582 /** 583 * Get the max amount of space a chip can take up. The formula takes into 584 * account the width of the EditTextView, any view padding, and padding 585 * that will be added to the chip. 586 */ 587 private float calculateAvailableWidth(boolean pressed) { 588 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 589 } 590 591 /** 592 * Set all chip dimensions and resources. This has to be done from the 593 * application as this is a static library. 594 * @param chipBackground 595 * @param chipBackgroundPressed 596 * @param invalidChip 597 * @param chipDelete 598 * @param defaultContact 599 * @param moreResource 600 * @param alternatesLayout 601 * @param chipHeight 602 * @param padding Padding around the text in a chip 603 * @param chipFontSize 604 * @param copyViewRes 605 */ 606 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 607 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 608 int alternatesLayout, float chipHeight, float padding, 609 float chipFontSize, int copyViewRes) { 610 mChipBackground = chipBackground; 611 mChipBackgroundPressed = chipBackgroundPressed; 612 mChipDelete = chipDelete; 613 mChipPadding = (int) padding; 614 mAlternatesLayout = alternatesLayout; 615 mDefaultContactPhoto = defaultContact; 616 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 617 mChipHeight = chipHeight; 618 mChipFontSize = chipFontSize; 619 mInvalidChipBackground = invalidChip; 620 mCopyViewRes = copyViewRes; 621 } 622 623 // Visible for testing. 624 /* package */ void setMoreItem(TextView moreItem) { 625 mMoreItem = moreItem; 626 } 627 628 629 // Visible for testing. 630 /* package */ void setChipBackground(Drawable chipBackground) { 631 mChipBackground = chipBackground; 632 } 633 634 // Visible for testing. 635 /* package */ void setChipHeight(int height) { 636 mChipHeight = height; 637 } 638 639 /** 640 * Set whether to shrink the recipients field such that at most 641 * one line of recipients chips are shown when the field loses 642 * focus. By default, the number of displayed recipients will be 643 * limited and a "more" chip will be shown when focus is lost. 644 * @param shrink 645 */ 646 public void setOnFocusListShrinkRecipients(boolean shrink) { 647 mShouldShrink = shrink; 648 } 649 650 @Override 651 public void onSizeChanged(int width, int height, int oldw, int oldh) { 652 super.onSizeChanged(width, height, oldw, oldh); 653 if (width != 0 && height != 0) { 654 if (mPendingChipsCount > 0) { 655 postHandlePendingChips(); 656 } else { 657 checkChipWidths(); 658 } 659 } 660 // Try to find the scroll view parent, if it exists. 661 if (mScrollView == null && !mTriedGettingScrollView) { 662 ViewParent parent = getParent(); 663 while (parent != null && !(parent instanceof ScrollView)) { 664 parent = parent.getParent(); 665 } 666 if (parent != null) { 667 mScrollView = (ScrollView) parent; 668 } 669 mTriedGettingScrollView = true; 670 } 671 } 672 673 private void postHandlePendingChips() { 674 mHandler.removeCallbacks(mHandlePendingChips); 675 mHandler.post(mHandlePendingChips); 676 } 677 678 private void checkChipWidths() { 679 // Check the widths of the associated chips. 680 RecipientChip[] chips = getSortedRecipients(); 681 if (chips != null) { 682 Rect bounds; 683 for (RecipientChip chip : chips) { 684 bounds = chip.getDrawable().getBounds(); 685 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 686 // Need to redraw that chip. 687 replaceChip(chip, chip.getEntry()); 688 } 689 } 690 } 691 } 692 693 // Visible for testing. 694 /*package*/ void handlePendingChips() { 695 if (getViewWidth() <= 0) { 696 // The widget has not been sized yet. 697 // This will be called as a result of onSizeChanged 698 // at a later point. 699 return; 700 } 701 if (mPendingChipsCount <= 0) { 702 return; 703 } 704 705 synchronized (mPendingChips) { 706 Editable editable = getText(); 707 // Tokenize! 708 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 709 for (int i = 0; i < mPendingChips.size(); i++) { 710 String current = mPendingChips.get(i); 711 int tokenStart = editable.toString().indexOf(current); 712 int tokenEnd = tokenStart + current.length(); 713 if (tokenStart >= 0) { 714 // When we have a valid token, include it with the token 715 // to the left. 716 if (tokenEnd < editable.length() - 2 717 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 718 tokenEnd++; 719 } 720 createReplacementChip(tokenStart, tokenEnd, editable); 721 } 722 mPendingChipsCount--; 723 } 724 sanitizeEnd(); 725 } else { 726 mNoChips = true; 727 } 728 729 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 730 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 731 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 732 new RecipientReplacementTask().execute(); 733 mTemporaryRecipients = null; 734 } else { 735 // Create the "more" chip 736 mIndividualReplacements = new IndividualReplacementTask(); 737 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 738 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 739 740 createMoreChip(); 741 } 742 } else { 743 // There are too many recipients to look up, so just fall back 744 // to showing addresses for all of them. 745 mTemporaryRecipients = null; 746 createMoreChip(); 747 } 748 mPendingChipsCount = 0; 749 mPendingChips.clear(); 750 } 751 } 752 753 // Visible for testing. 754 /*package*/ int getViewWidth() { 755 return getWidth(); 756 } 757 758 /** 759 * Remove any characters after the last valid chip. 760 */ 761 // Visible for testing. 762 /*package*/ void sanitizeEnd() { 763 // Don't sanitize while we are waiting for pending chips to complete. 764 if (mPendingChipsCount > 0) { 765 return; 766 } 767 // Find the last chip; eliminate any commit characters after it. 768 RecipientChip[] chips = getSortedRecipients(); 769 if (chips != null && chips.length > 0) { 770 int end; 771 ImageSpan lastSpan; 772 mMoreChip = getMoreChip(); 773 if (mMoreChip != null) { 774 lastSpan = mMoreChip; 775 } else { 776 lastSpan = getLastChip(); 777 } 778 end = getSpannable().getSpanEnd(lastSpan); 779 Editable editable = getText(); 780 int length = editable.length(); 781 if (length > end) { 782 // See what characters occur after that and eliminate them. 783 if (Log.isLoggable(TAG, Log.DEBUG)) { 784 Log.d(TAG, "There were extra characters after the last tokenizable entry." 785 + editable); 786 } 787 editable.delete(end + 1, length); 788 } 789 } 790 } 791 792 /** 793 * Create a chip that represents just the email address of a recipient. At some later 794 * point, this chip will be attached to a real contact entry, if one exists. 795 */ 796 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 797 if (alreadyHasChip(tokenStart, tokenEnd)) { 798 // There is already a chip present at this location. 799 // Don't recreate it. 800 return; 801 } 802 String token = editable.toString().substring(tokenStart, tokenEnd); 803 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 804 if (commitCharIndex == token.length() - 1) { 805 token = token.substring(0, token.length() - 1); 806 } 807 RecipientEntry entry = createTokenizedEntry(token); 808 if (entry != null) { 809 String destText = createAddressText(entry); 810 // Always leave a blank space at the end of a chip. 811 int textLength = destText.length() - 1; 812 SpannableString chipText = new SpannableString(destText); 813 int end = getSelectionEnd(); 814 int start = mTokenizer.findTokenStart(getText(), end); 815 RecipientChip chip = null; 816 try { 817 if (!mNoChips) { 818 chip = constructChipSpan(entry, start, false); 819 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 820 } 821 } catch (NullPointerException e) { 822 Log.e(TAG, e.getMessage(), e); 823 } 824 editable.replace(tokenStart, tokenEnd, chipText); 825 // Add this chip to the list of entries "to replace" 826 if (chip != null) { 827 if (mTemporaryRecipients == null) { 828 mTemporaryRecipients = new ArrayList<RecipientChip>(); 829 } 830 chip.setOriginalText(chipText.toString()); 831 mTemporaryRecipients.add(chip); 832 } 833 } 834 } 835 836 private RecipientEntry createTokenizedEntry(String token) { 837 if (TextUtils.isEmpty(token)) { 838 return null; 839 } 840 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 841 String display = null; 842 if (isValid(token) && tokens != null && tokens.length > 0) { 843 // If we can get a name from tokenizing, then generate an entry from 844 // this. 845 display = tokens[0].getName(); 846 if (!TextUtils.isEmpty(display)) { 847 return RecipientEntry.constructGeneratedEntry(display, token); 848 } else { 849 display = tokens[0].getAddress(); 850 if (!TextUtils.isEmpty(display)) { 851 return RecipientEntry.constructFakeEntry(display); 852 } 853 } 854 } 855 // Unable to validate the token or to create a valid token from it. 856 // Just create a chip the user can edit. 857 String validatedToken = null; 858 if (mValidator != null && !mValidator.isValid(token)) { 859 // Try fixing up the entry using the validator. 860 validatedToken = mValidator.fixText(token).toString(); 861 if (!TextUtils.isEmpty(validatedToken)) { 862 if (validatedToken.contains(token)) { 863 // protect against the case of a validator with a null domain, 864 // which doesn't add a domain to the token 865 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 866 if (tokenized.length > 0) { 867 validatedToken = tokenized[0].getAddress(); 868 } 869 } else { 870 // We ran into a case where the token was invalid and removed 871 // by the validator. In this case, just use the original token 872 // and let the user sort out the error chip. 873 validatedToken = null; 874 } 875 } 876 } 877 // Otherwise, fallback to just creating an editable email address chip. 878 return RecipientEntry 879 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 880 } 881 882 private boolean isValid(String text) { 883 return mValidator == null ? true : mValidator.isValid(text); 884 } 885 886 private String tokenizeAddress(String destination) { 887 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 888 if (tokens != null && tokens.length > 0) { 889 return tokens[0].getAddress(); 890 } 891 return destination; 892 } 893 894 @Override 895 public void setTokenizer(Tokenizer tokenizer) { 896 mTokenizer = tokenizer; 897 super.setTokenizer(mTokenizer); 898 } 899 900 @Override 901 public void setValidator(Validator validator) { 902 mValidator = validator; 903 super.setValidator(validator); 904 } 905 906 /** 907 * We cannot use the default mechanism for replaceText. Instead, 908 * we override onItemClickListener so we can get all the associated 909 * contact information including display text, address, and id. 910 */ 911 @Override 912 protected void replaceText(CharSequence text) { 913 return; 914 } 915 916 /** 917 * Dismiss any selected chips when the back key is pressed. 918 */ 919 @Override 920 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 921 if (keyCode == KeyEvent.KEYCODE_BACK) { 922 clearSelectedChip(); 923 } 924 return super.onKeyPreIme(keyCode, event); 925 } 926 927 /** 928 * Monitor key presses in this view to see if the user types 929 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 930 * If the user has entered text that has contact matches and types 931 * a commit key, create a chip from the topmost matching contact. 932 * If the user has entered text that has no contact matches and types 933 * a commit key, then create a chip from the text they have entered. 934 */ 935 @Override 936 public boolean onKeyUp(int keyCode, KeyEvent event) { 937 switch (keyCode) { 938 case KeyEvent.KEYCODE_ENTER: 939 case KeyEvent.KEYCODE_DPAD_CENTER: 940 if (event.hasNoModifiers()) { 941 if (commitDefault()) { 942 return true; 943 } 944 if (mSelectedChip != null) { 945 clearSelectedChip(); 946 return true; 947 } else if (focusNext()) { 948 return true; 949 } 950 } 951 break; 952 case KeyEvent.KEYCODE_TAB: 953 if (event.hasNoModifiers()) { 954 if (mSelectedChip != null) { 955 clearSelectedChip(); 956 } else { 957 commitDefault(); 958 } 959 if (focusNext()) { 960 return true; 961 } 962 } 963 } 964 return super.onKeyUp(keyCode, event); 965 } 966 967 private boolean focusNext() { 968 View next = focusSearch(View.FOCUS_DOWN); 969 if (next != null) { 970 next.requestFocus(); 971 return true; 972 } 973 return false; 974 } 975 976 /** 977 * Create a chip from the default selection. If the popup is showing, the 978 * default is the first item in the popup suggestions list. Otherwise, it is 979 * whatever the user had typed in. End represents where the the tokenizer 980 * should search for a token to turn into a chip. 981 * @return If a chip was created from a real contact. 982 */ 983 private boolean commitDefault() { 984 Editable editable = getText(); 985 int end = getSelectionEnd(); 986 int start = mTokenizer.findTokenStart(editable, end); 987 988 if (shouldCreateChip(start, end)) { 989 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 990 // In the middle of chip; treat this as an edit 991 // and commit the whole token. 992 if (whatEnd != getSelectionEnd()) { 993 handleEdit(start, whatEnd); 994 return true; 995 } 996 return commitChip(start, end , editable); 997 } 998 return false; 999 } 1000 1001 private void commitByCharacter() { 1002 Editable editable = getText(); 1003 int end = getSelectionEnd(); 1004 int start = mTokenizer.findTokenStart(editable, end); 1005 if (shouldCreateChip(start, end)) { 1006 commitChip(start, end, editable); 1007 } 1008 setSelection(getText().length()); 1009 } 1010 1011 private boolean commitChip(int start, int end, Editable editable) { 1012 ListAdapter adapter = getAdapter(); 1013 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1014 && end == getSelectionEnd()) { 1015 // choose the first entry. 1016 submitItemAtPosition(0); 1017 dismissDropDown(); 1018 return true; 1019 } else { 1020 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1021 if (editable.length() > tokenEnd + 1) { 1022 char charAt = editable.charAt(tokenEnd + 1); 1023 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1024 tokenEnd++; 1025 } 1026 } 1027 String text = editable.toString().substring(start, tokenEnd).trim(); 1028 clearComposingText(); 1029 if (text != null && text.length() > 0 && !text.equals(" ")) { 1030 RecipientEntry entry = createTokenizedEntry(text); 1031 if (entry != null) { 1032 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1033 CharSequence chipText = createChip(entry, false); 1034 if (chipText != null && start > -1 && end > -1) { 1035 editable.replace(start, end, chipText); 1036 } 1037 } 1038 // Only dismiss the dropdown if it is related to the text we 1039 // just committed. 1040 // For paste, it may not be as there are possibly multiple 1041 // tokens being added. 1042 if (end == getSelectionEnd()) { 1043 dismissDropDown(); 1044 } 1045 sanitizeBetween(); 1046 return true; 1047 } 1048 } 1049 return false; 1050 } 1051 1052 // Visible for testing. 1053 /* package */ void sanitizeBetween() { 1054 // Don't sanitize while we are waiting for content to chipify. 1055 if (mPendingChipsCount > 0) { 1056 return; 1057 } 1058 // Find the last chip. 1059 RecipientChip[] recips = getSortedRecipients(); 1060 if (recips != null && recips.length > 0) { 1061 RecipientChip last = recips[recips.length - 1]; 1062 RecipientChip beforeLast = null; 1063 if (recips.length > 1) { 1064 beforeLast = recips[recips.length - 2]; 1065 } 1066 int startLooking = 0; 1067 int end = getSpannable().getSpanStart(last); 1068 if (beforeLast != null) { 1069 startLooking = getSpannable().getSpanEnd(beforeLast); 1070 Editable text = getText(); 1071 if (startLooking == -1 || startLooking > text.length() - 1) { 1072 // There is nothing after this chip. 1073 return; 1074 } 1075 if (text.charAt(startLooking) == ' ') { 1076 startLooking++; 1077 } 1078 } 1079 if (startLooking >= 0 && end >= 0 && startLooking != end) { 1080 getText().delete(startLooking, end); 1081 } 1082 } 1083 } 1084 1085 private boolean shouldCreateChip(int start, int end) { 1086 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1087 } 1088 1089 private boolean alreadyHasChip(int start, int end) { 1090 if (mNoChips) { 1091 return true; 1092 } 1093 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1094 if ((chips == null || chips.length == 0)) { 1095 return false; 1096 } 1097 return true; 1098 } 1099 1100 private void handleEdit(int start, int end) { 1101 if (start == -1 || end == -1) { 1102 // This chip no longer exists in the field. 1103 dismissDropDown(); 1104 return; 1105 } 1106 // This is in the middle of a chip, so select out the whole chip 1107 // and commit it. 1108 Editable editable = getText(); 1109 setSelection(end); 1110 String text = getText().toString().substring(start, end); 1111 if (!TextUtils.isEmpty(text)) { 1112 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1113 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1114 CharSequence chipText = createChip(entry, false); 1115 int selEnd = getSelectionEnd(); 1116 if (chipText != null && start > -1 && selEnd > -1) { 1117 editable.replace(start, selEnd, chipText); 1118 } 1119 } 1120 dismissDropDown(); 1121 } 1122 1123 /** 1124 * If there is a selected chip, delegate the key events 1125 * to the selected chip. 1126 */ 1127 @Override 1128 public boolean onKeyDown(int keyCode, KeyEvent event) { 1129 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1130 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1131 mAlternatesPopup.dismiss(); 1132 } 1133 removeChip(mSelectedChip); 1134 } 1135 1136 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1137 return true; 1138 } 1139 1140 return super.onKeyDown(keyCode, event); 1141 } 1142 1143 // Visible for testing. 1144 /* package */ Spannable getSpannable() { 1145 return getText(); 1146 } 1147 1148 private int getChipStart(RecipientChip chip) { 1149 return getSpannable().getSpanStart(chip); 1150 } 1151 1152 private int getChipEnd(RecipientChip chip) { 1153 return getSpannable().getSpanEnd(chip); 1154 } 1155 1156 /** 1157 * Instead of filtering on the entire contents of the edit box, 1158 * this subclass method filters on the range from 1159 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1160 * if the length of that range meets or exceeds {@link #getThreshold} 1161 * and makes sure that the range is not already a Chip. 1162 */ 1163 @Override 1164 protected void performFiltering(CharSequence text, int keyCode) { 1165 if (enoughToFilter() && !isCompletedToken(text)) { 1166 int end = getSelectionEnd(); 1167 int start = mTokenizer.findTokenStart(text, end); 1168 // If this is a RecipientChip, don't filter 1169 // on its contents. 1170 Spannable span = getSpannable(); 1171 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1172 if (chips != null && chips.length > 0) { 1173 return; 1174 } 1175 } 1176 super.performFiltering(text, keyCode); 1177 } 1178 1179 // Visible for testing. 1180 /*package*/ boolean isCompletedToken(CharSequence text) { 1181 if (TextUtils.isEmpty(text)) { 1182 return false; 1183 } 1184 // Check to see if this is a completed token before filtering. 1185 int end = text.length(); 1186 int start = mTokenizer.findTokenStart(text, end); 1187 String token = text.toString().substring(start, end).trim(); 1188 if (!TextUtils.isEmpty(token)) { 1189 char atEnd = token.charAt(token.length() - 1); 1190 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1191 } 1192 return false; 1193 } 1194 1195 private void clearSelectedChip() { 1196 if (mSelectedChip != null) { 1197 unselectChip(mSelectedChip); 1198 mSelectedChip = null; 1199 } 1200 setCursorVisible(true); 1201 } 1202 1203 /** 1204 * Monitor touch events in the RecipientEditTextView. 1205 * If the view does not have focus, any tap on the view 1206 * will just focus the view. If the view has focus, determine 1207 * if the touch target is a recipient chip. If it is and the chip 1208 * is not selected, select it and clear any other selected chips. 1209 * If it isn't, then select that chip. 1210 */ 1211 @Override 1212 public boolean onTouchEvent(MotionEvent event) { 1213 if (!isFocused()) { 1214 // Ignore any chip taps until this view is focused. 1215 return super.onTouchEvent(event); 1216 } 1217 boolean handled = super.onTouchEvent(event); 1218 int action = event.getAction(); 1219 boolean chipWasSelected = false; 1220 if (mSelectedChip == null) { 1221 mGestureDetector.onTouchEvent(event); 1222 } 1223 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1224 float x = event.getX(); 1225 float y = event.getY(); 1226 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1227 RecipientChip currentChip = findChip(offset); 1228 if (currentChip != null) { 1229 if (action == MotionEvent.ACTION_UP) { 1230 if (mSelectedChip != null && mSelectedChip != currentChip) { 1231 clearSelectedChip(); 1232 mSelectedChip = selectChip(currentChip); 1233 } else if (mSelectedChip == null) { 1234 setSelection(getText().length()); 1235 commitDefault(); 1236 mSelectedChip = selectChip(currentChip); 1237 } else { 1238 onClick(mSelectedChip, offset, x, y); 1239 } 1240 } 1241 chipWasSelected = true; 1242 handled = true; 1243 } else if (mSelectedChip != null 1244 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1245 chipWasSelected = true; 1246 } 1247 } 1248 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1249 clearSelectedChip(); 1250 } 1251 return handled; 1252 } 1253 1254 private void scrollLineIntoView(int line) { 1255 if (mScrollView != null) { 1256 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1257 } 1258 } 1259 1260 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1261 int width, Context context) { 1262 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1263 int bottom = calculateOffsetFromBottom(line); 1264 // Align the alternates popup with the left side of the View, 1265 // regardless of the position of the chip tapped. 1266 alternatesPopup.setWidth(width); 1267 setEnabled(false); 1268 alternatesPopup.setAnchorView(this); 1269 alternatesPopup.setVerticalOffset(bottom); 1270 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1271 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1272 // Clear the checked item. 1273 mCheckedItem = -1; 1274 alternatesPopup.show(); 1275 ListView listView = alternatesPopup.getListView(); 1276 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1277 // Checked item would be -1 if the adapter has not 1278 // loaded the view that should be checked yet. The 1279 // variable will be set correctly when onCheckedItemChanged 1280 // is called in a separate thread. 1281 if (mCheckedItem != -1) { 1282 listView.setItemChecked(mCheckedItem, true); 1283 mCheckedItem = -1; 1284 } 1285 } 1286 1287 // Dismiss listener for alterns and single address popup. 1288 @Override 1289 public void onDismiss() { 1290 setEnabled(true); 1291 } 1292 1293 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1294 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1295 mAlternatesLayout, this); 1296 } 1297 1298 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1299 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1300 .getEntry()); 1301 } 1302 1303 @Override 1304 public void onCheckedItemChanged(int position) { 1305 ListView listView = mAlternatesPopup.getListView(); 1306 if (listView != null && listView.getCheckedItemCount() == 0) { 1307 listView.setItemChecked(position, true); 1308 } 1309 mCheckedItem = position; 1310 } 1311 1312 // TODO: This algorithm will need a lot of tweaking after more people have used 1313 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1314 // what comes before the finger. 1315 private int putOffsetInRange(int o) { 1316 int offset = o; 1317 Editable text = getText(); 1318 int length = text.length(); 1319 // Remove whitespace from end to find "real end" 1320 int realLength = length; 1321 for (int i = length - 1; i >= 0; i--) { 1322 if (text.charAt(i) == ' ') { 1323 realLength--; 1324 } else { 1325 break; 1326 } 1327 } 1328 1329 // If the offset is beyond or at the end of the text, 1330 // leave it alone. 1331 if (offset >= realLength) { 1332 return offset; 1333 } 1334 Editable editable = getText(); 1335 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1336 // Keep walking backward! 1337 offset--; 1338 } 1339 return offset; 1340 } 1341 1342 private int findText(Editable text, int offset) { 1343 if (text.charAt(offset) != ' ') { 1344 return offset; 1345 } 1346 return -1; 1347 } 1348 1349 private RecipientChip findChip(int offset) { 1350 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1351 // Find the chip that contains this offset. 1352 for (int i = 0; i < chips.length; i++) { 1353 RecipientChip chip = chips[i]; 1354 int start = getChipStart(chip); 1355 int end = getChipEnd(chip); 1356 if (offset >= start && offset <= end) { 1357 return chip; 1358 } 1359 } 1360 return null; 1361 } 1362 1363 // Visible for testing. 1364 // Use this method to generate text to add to the list of addresses. 1365 /*package*/ String createAddressText(RecipientEntry entry) { 1366 String display = entry.getDisplayName(); 1367 String address = entry.getDestination(); 1368 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1369 display = null; 1370 } 1371 if (address != null) { 1372 // Tokenize out the address in case the address already 1373 // contained the username as well. 1374 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1375 if (tokenized != null && tokenized.length > 0) { 1376 address = tokenized[0].getAddress(); 1377 } 1378 } 1379 Rfc822Token token = new Rfc822Token(display, address, null); 1380 String trimmedDisplayText = token.toString().trim(); 1381 int index = trimmedDisplayText.indexOf(","); 1382 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1383 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1384 } 1385 1386 // Visible for testing. 1387 // Use this method to generate text to display in a chip. 1388 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1389 String display = entry.getDisplayName(); 1390 String address = entry.getDestination(); 1391 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1392 display = null; 1393 } 1394 if (address != null) { 1395 // Tokenize out the address in case the address already 1396 // contained the username as well. 1397 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1398 if (tokenized != null && tokenized.length > 0) { 1399 address = tokenized[0].getAddress(); 1400 } 1401 } 1402 if (!TextUtils.isEmpty(display)) { 1403 return display; 1404 } else if (!TextUtils.isEmpty(address)){ 1405 return address; 1406 } else { 1407 return new Rfc822Token(display, address, null).toString(); 1408 } 1409 } 1410 1411 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1412 String displayText = createAddressText(entry); 1413 if (TextUtils.isEmpty(displayText)) { 1414 return null; 1415 } 1416 SpannableString chipText = null; 1417 // Always leave a blank space at the end of a chip. 1418 int end = getSelectionEnd(); 1419 int start = mTokenizer.findTokenStart(getText(), end); 1420 int textLength = displayText.length()-1; 1421 chipText = new SpannableString(displayText); 1422 if (!mNoChips) { 1423 try { 1424 RecipientChip chip = constructChipSpan(entry, start, pressed); 1425 chipText.setSpan(chip, 0, textLength, 1426 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1427 chip.setOriginalText(chipText.toString()); 1428 } catch (NullPointerException e) { 1429 Log.e(TAG, e.getMessage(), e); 1430 return null; 1431 } 1432 } 1433 return chipText; 1434 } 1435 1436 /** 1437 * When an item in the suggestions list has been clicked, create a chip from the 1438 * contact information of the selected item. 1439 */ 1440 @Override 1441 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1442 submitItemAtPosition(position); 1443 } 1444 1445 private void submitItemAtPosition(int position) { 1446 RecipientEntry entry = createValidatedEntry( 1447 (RecipientEntry)getAdapter().getItem(position)); 1448 if (entry == null) { 1449 return; 1450 } 1451 clearComposingText(); 1452 1453 int end = getSelectionEnd(); 1454 int start = mTokenizer.findTokenStart(getText(), end); 1455 1456 Editable editable = getText(); 1457 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1458 CharSequence chip = createChip(entry, false); 1459 if (chip != null && start >= 0 && end >= 0) { 1460 editable.replace(start, end, chip); 1461 } 1462 sanitizeBetween(); 1463 } 1464 1465 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1466 if (item == null) { 1467 return null; 1468 } 1469 final RecipientEntry entry; 1470 // If the display name and the address are the same, or if this is a 1471 // valid contact, but the destination is invalid, then make this a fake 1472 // recipient that is editable. 1473 String destination = item.getDestination(); 1474 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1475 && (TextUtils.isEmpty(item.getDisplayName()) 1476 || TextUtils.equals(item.getDisplayName(), destination) 1477 || (mValidator != null && !mValidator.isValid(destination)))) { 1478 entry = RecipientEntry.constructFakeEntry(destination); 1479 } else { 1480 entry = item; 1481 } 1482 return entry; 1483 } 1484 1485 /** Returns a collection of contact Id for each chip inside this View. */ 1486 /* package */ Collection<Long> getContactIds() { 1487 final Set<Long> result = new HashSet<Long>(); 1488 RecipientChip[] chips = getSortedRecipients(); 1489 if (chips != null) { 1490 for (RecipientChip chip : chips) { 1491 result.add(chip.getContactId()); 1492 } 1493 } 1494 return result; 1495 } 1496 1497 1498 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1499 /* package */ Collection<Long> getDataIds() { 1500 final Set<Long> result = new HashSet<Long>(); 1501 RecipientChip [] chips = getSortedRecipients(); 1502 if (chips != null) { 1503 for (RecipientChip chip : chips) { 1504 result.add(chip.getDataId()); 1505 } 1506 } 1507 return result; 1508 } 1509 1510 // Visible for testing. 1511 /* package */RecipientChip[] getSortedRecipients() { 1512 RecipientChip[] recips = getSpannable() 1513 .getSpans(0, getText().length(), RecipientChip.class); 1514 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1515 .asList(recips)); 1516 final Spannable spannable = getSpannable(); 1517 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1518 1519 @Override 1520 public int compare(RecipientChip first, RecipientChip second) { 1521 int firstStart = spannable.getSpanStart(first); 1522 int secondStart = spannable.getSpanStart(second); 1523 if (firstStart < secondStart) { 1524 return -1; 1525 } else if (firstStart > secondStart) { 1526 return 1; 1527 } else { 1528 return 0; 1529 } 1530 } 1531 }); 1532 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1533 } 1534 1535 @Override 1536 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1537 return false; 1538 } 1539 1540 @Override 1541 public void onDestroyActionMode(ActionMode mode) { 1542 } 1543 1544 @Override 1545 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1546 return false; 1547 } 1548 1549 /** 1550 * No chips are selectable. 1551 */ 1552 @Override 1553 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1554 return false; 1555 } 1556 1557 // Visible for testing. 1558 /* package */ImageSpan getMoreChip() { 1559 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1560 MoreImageSpan.class); 1561 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1562 } 1563 1564 private MoreImageSpan createMoreSpan(int count) { 1565 String moreText = String.format(mMoreItem.getText().toString(), count); 1566 TextPaint morePaint = new TextPaint(getPaint()); 1567 morePaint.setTextSize(mMoreItem.getTextSize()); 1568 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1569 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1570 + mMoreItem.getPaddingRight(); 1571 int height = getLineHeight(); 1572 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1573 Canvas canvas = new Canvas(drawable); 1574 int adjustedHeight = height; 1575 Layout layout = getLayout(); 1576 if (layout != null) { 1577 adjustedHeight -= layout.getLineDescent(0); 1578 } 1579 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1580 1581 Drawable result = new BitmapDrawable(getResources(), drawable); 1582 result.setBounds(0, 0, width, height); 1583 return new MoreImageSpan(result); 1584 } 1585 1586 // Visible for testing. 1587 /*package*/ void createMoreChipPlainText() { 1588 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1589 Editable text = getText(); 1590 int start = 0; 1591 int end = start; 1592 for (int i = 0; i < CHIP_LIMIT; i++) { 1593 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1594 start = end; // move to the next token and get its end. 1595 } 1596 // Now, count total addresses. 1597 start = 0; 1598 int tokenCount = countTokens(text); 1599 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1600 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1601 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1602 text.replace(end, text.length(), chipText); 1603 mMoreChip = moreSpan; 1604 } 1605 1606 // Visible for testing. 1607 /* package */int countTokens(Editable text) { 1608 int tokenCount = 0; 1609 int start = 0; 1610 while (start < text.length()) { 1611 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1612 tokenCount++; 1613 if (start >= text.length()) { 1614 break; 1615 } 1616 } 1617 return tokenCount; 1618 } 1619 1620 /** 1621 * Create the more chip. The more chip is text that replaces any chips that 1622 * do not fit in the pre-defined available space when the 1623 * RecipientEditTextView loses focus. 1624 */ 1625 // Visible for testing. 1626 /* package */ void createMoreChip() { 1627 if (mNoChips) { 1628 createMoreChipPlainText(); 1629 return; 1630 } 1631 1632 if (!mShouldShrink) { 1633 return; 1634 } 1635 1636 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1637 if (tempMore.length > 0) { 1638 getSpannable().removeSpan(tempMore[0]); 1639 } 1640 RecipientChip[] recipients = getSortedRecipients(); 1641 1642 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1643 mMoreChip = null; 1644 return; 1645 } 1646 Spannable spannable = getSpannable(); 1647 int numRecipients = recipients.length; 1648 int overage = numRecipients - CHIP_LIMIT; 1649 MoreImageSpan moreSpan = createMoreSpan(overage); 1650 mRemovedSpans = new ArrayList<RecipientChip>(); 1651 int totalReplaceStart = 0; 1652 int totalReplaceEnd = 0; 1653 Editable text = getText(); 1654 for (int i = numRecipients - overage; i < recipients.length; i++) { 1655 mRemovedSpans.add(recipients[i]); 1656 if (i == numRecipients - overage) { 1657 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1658 } 1659 if (i == recipients.length - 1) { 1660 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1661 } 1662 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1663 int spanStart = spannable.getSpanStart(recipients[i]); 1664 int spanEnd = spannable.getSpanEnd(recipients[i]); 1665 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1666 } 1667 spannable.removeSpan(recipients[i]); 1668 } 1669 if (totalReplaceEnd < text.length()) { 1670 totalReplaceEnd = text.length(); 1671 } 1672 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1673 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1674 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1675 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1676 text.replace(start, end, chipText); 1677 mMoreChip = moreSpan; 1678 } 1679 1680 /** 1681 * Replace the more chip, if it exists, with all of the recipient chips it had 1682 * replaced when the RecipientEditTextView gains focus. 1683 */ 1684 // Visible for testing. 1685 /*package*/ void removeMoreChip() { 1686 if (mMoreChip != null) { 1687 Spannable span = getSpannable(); 1688 span.removeSpan(mMoreChip); 1689 mMoreChip = null; 1690 // Re-add the spans that were removed. 1691 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1692 // Recreate each removed span. 1693 RecipientChip[] recipients = getSortedRecipients(); 1694 // Start the search for tokens after the last currently visible 1695 // chip. 1696 if (recipients == null || recipients.length == 0) { 1697 return; 1698 } 1699 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1700 Editable editable = getText(); 1701 for (RecipientChip chip : mRemovedSpans) { 1702 int chipStart; 1703 int chipEnd; 1704 String token; 1705 // Need to find the location of the chip, again. 1706 token = (String) chip.getOriginalText(); 1707 // As we find the matching recipient for the remove spans, 1708 // reduce the size of the string we need to search. 1709 // That way, if there are duplicates, we always find the correct 1710 // recipient. 1711 chipStart = editable.toString().indexOf(token, end); 1712 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1713 // Only set the span if we found a matching token. 1714 if (chipStart != -1) { 1715 editable.setSpan(chip, chipStart, chipEnd, 1716 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1717 } 1718 } 1719 mRemovedSpans.clear(); 1720 } 1721 } 1722 } 1723 1724 /** 1725 * Show specified chip as selected. If the RecipientChip is just an email address, 1726 * selecting the chip will take the contents of the chip and place it at 1727 * the end of the RecipientEditTextView for inline editing. If the 1728 * RecipientChip is a complete contact, then selecting the chip 1729 * will change the background color of the chip, show the delete icon, 1730 * and a popup window with the address in use highlighted and any other 1731 * alternate addresses for the contact. 1732 * @param currentChip Chip to select. 1733 * @return A RecipientChip in the selected state or null if the chip 1734 * just contained an email address. 1735 */ 1736 private RecipientChip selectChip(RecipientChip currentChip) { 1737 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1738 CharSequence text = currentChip.getValue(); 1739 Editable editable = getText(); 1740 removeChip(currentChip); 1741 editable.append(text); 1742 setCursorVisible(true); 1743 setSelection(editable.length()); 1744 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1745 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1746 int start = getChipStart(currentChip); 1747 int end = getChipEnd(currentChip); 1748 getSpannable().removeSpan(currentChip); 1749 RecipientChip newChip; 1750 try { 1751 if (mNoChips) { 1752 return null; 1753 } 1754 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1755 } catch (NullPointerException e) { 1756 Log.e(TAG, e.getMessage(), e); 1757 return null; 1758 } 1759 Editable editable = getText(); 1760 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1761 if (start == -1 || end == -1) { 1762 Log.d(TAG, "The chip being selected no longer exists but should."); 1763 } else { 1764 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1765 } 1766 newChip.setSelected(true); 1767 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1768 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1769 } 1770 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1771 setCursorVisible(false); 1772 return newChip; 1773 } else { 1774 int start = getChipStart(currentChip); 1775 int end = getChipEnd(currentChip); 1776 getSpannable().removeSpan(currentChip); 1777 RecipientChip newChip; 1778 try { 1779 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1780 } catch (NullPointerException e) { 1781 Log.e(TAG, e.getMessage(), e); 1782 return null; 1783 } 1784 Editable editable = getText(); 1785 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1786 if (start == -1 || end == -1) { 1787 Log.d(TAG, "The chip being selected no longer exists but should."); 1788 } else { 1789 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1790 } 1791 newChip.setSelected(true); 1792 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1793 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1794 } 1795 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1796 setCursorVisible(false); 1797 return newChip; 1798 } 1799 } 1800 1801 1802 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1803 int width, Context context) { 1804 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1805 int bottom = calculateOffsetFromBottom(line); 1806 // Align the alternates popup with the left side of the View, 1807 // regardless of the position of the chip tapped. 1808 setEnabled(false); 1809 popup.setWidth(width); 1810 popup.setAnchorView(this); 1811 popup.setVerticalOffset(bottom); 1812 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1813 popup.setOnItemClickListener(new OnItemClickListener() { 1814 @Override 1815 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1816 unselectChip(currentChip); 1817 popup.dismiss(); 1818 } 1819 }); 1820 popup.show(); 1821 ListView listView = popup.getListView(); 1822 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1823 listView.setItemChecked(0, true); 1824 } 1825 1826 /** 1827 * Remove selection from this chip. Unselecting a RecipientChip will render 1828 * the chip without a delete icon and with an unfocused background. This is 1829 * called when the RecipientChip no longer has focus. 1830 */ 1831 private void unselectChip(RecipientChip chip) { 1832 int start = getChipStart(chip); 1833 int end = getChipEnd(chip); 1834 Editable editable = getText(); 1835 mSelectedChip = null; 1836 if (start == -1 || end == -1) { 1837 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1838 setSelection(editable.length()); 1839 commitDefault(); 1840 } else { 1841 getSpannable().removeSpan(chip); 1842 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1843 editable.removeSpan(chip); 1844 try { 1845 if (!mNoChips) { 1846 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1847 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1848 } 1849 } catch (NullPointerException e) { 1850 Log.e(TAG, e.getMessage(), e); 1851 } 1852 } 1853 setCursorVisible(true); 1854 setSelection(editable.length()); 1855 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1856 mAlternatesPopup.dismiss(); 1857 } 1858 } 1859 1860 /** 1861 * Return whether a touch event was inside the delete target of 1862 * a selected chip. It is in the delete target if: 1863 * 1) the x and y points of the event are within the 1864 * delete assset. 1865 * 2) the point tapped would have caused a cursor to appear 1866 * right after the selected chip. 1867 * @return boolean 1868 */ 1869 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1870 // Figure out the bounds of this chip and whether or not 1871 // the user clicked in the X portion. 1872 return chip.isSelected() && offset == getChipEnd(chip); 1873 } 1874 1875 /** 1876 * Remove the chip and any text associated with it from the RecipientEditTextView. 1877 */ 1878 // Visible for testing. 1879 /*pacakge*/ void removeChip(RecipientChip chip) { 1880 Spannable spannable = getSpannable(); 1881 int spanStart = spannable.getSpanStart(chip); 1882 int spanEnd = spannable.getSpanEnd(chip); 1883 Editable text = getText(); 1884 int toDelete = spanEnd; 1885 boolean wasSelected = chip == mSelectedChip; 1886 // Clear that there is a selected chip before updating any text. 1887 if (wasSelected) { 1888 mSelectedChip = null; 1889 } 1890 // Always remove trailing spaces when removing a chip. 1891 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1892 toDelete++; 1893 } 1894 spannable.removeSpan(chip); 1895 text.delete(spanStart, toDelete); 1896 if (wasSelected) { 1897 clearSelectedChip(); 1898 } 1899 } 1900 1901 /** 1902 * Replace this currently selected chip with a new chip 1903 * that uses the contact data provided. 1904 */ 1905 // Visible for testing. 1906 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1907 boolean wasSelected = chip == mSelectedChip; 1908 if (wasSelected) { 1909 mSelectedChip = null; 1910 } 1911 int start = getChipStart(chip); 1912 int end = getChipEnd(chip); 1913 getSpannable().removeSpan(chip); 1914 Editable editable = getText(); 1915 CharSequence chipText = createChip(entry, false); 1916 if (chipText != null) { 1917 if (start == -1 || end == -1) { 1918 Log.e(TAG, "The chip to replace does not exist but should."); 1919 editable.insert(0, chipText); 1920 } else { 1921 if (!TextUtils.isEmpty(chipText)) { 1922 // There may be a space to replace with this chip's new 1923 // associated 1924 // space. Check for it 1925 int toReplace = end; 1926 while (toReplace >= 0 && toReplace < editable.length() 1927 && editable.charAt(toReplace) == ' ') { 1928 toReplace++; 1929 } 1930 editable.replace(start, toReplace, chipText); 1931 } 1932 } 1933 } 1934 setCursorVisible(true); 1935 if (wasSelected) { 1936 clearSelectedChip(); 1937 } 1938 } 1939 1940 /** 1941 * Handle click events for a chip. When a selected chip receives a click 1942 * event, see if that event was in the delete icon. If so, delete it. 1943 * Otherwise, unselect the chip. 1944 */ 1945 public void onClick(RecipientChip chip, int offset, float x, float y) { 1946 if (chip.isSelected()) { 1947 if (isInDelete(chip, offset, x, y)) { 1948 removeChip(chip); 1949 } else { 1950 clearSelectedChip(); 1951 } 1952 } 1953 } 1954 1955 private boolean chipsPending() { 1956 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1957 } 1958 1959 @Override 1960 public void removeTextChangedListener(TextWatcher watcher) { 1961 mTextWatcher = null; 1962 super.removeTextChangedListener(watcher); 1963 } 1964 1965 private class RecipientTextWatcher implements TextWatcher { 1966 @Override 1967 public void afterTextChanged(Editable s) { 1968 // If the text has been set to null or empty, make sure we remove 1969 // all the spans we applied. 1970 if (TextUtils.isEmpty(s)) { 1971 // Remove all the chips spans. 1972 Spannable spannable = getSpannable(); 1973 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1974 RecipientChip.class); 1975 for (RecipientChip chip : chips) { 1976 spannable.removeSpan(chip); 1977 } 1978 if (mMoreChip != null) { 1979 spannable.removeSpan(mMoreChip); 1980 } 1981 return; 1982 } 1983 // Get whether there are any recipients pending addition to the 1984 // view. If there are, don't do anything in the text watcher. 1985 if (chipsPending()) { 1986 return; 1987 } 1988 // If the user is editing a chip, don't clear it. 1989 if (mSelectedChip != null 1990 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1991 setCursorVisible(true); 1992 setSelection(getText().length()); 1993 clearSelectedChip(); 1994 } 1995 int length = s.length(); 1996 // Make sure there is content there to parse and that it is 1997 // not just the commit character. 1998 if (length > 1) { 1999 char last; 2000 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2001 int len = length() - 1; 2002 if (end != len) { 2003 last = s.charAt(end); 2004 } else { 2005 last = s.charAt(len); 2006 } 2007 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2008 commitByCharacter(); 2009 } else if (last == COMMIT_CHAR_SPACE) { 2010 // Check if this is a valid email address. If it is, 2011 // commit it. 2012 String text = getText().toString(); 2013 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2014 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2015 tokenStart)); 2016 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 2017 commitByCharacter(); 2018 } 2019 } 2020 } 2021 } 2022 2023 @Override 2024 public void onTextChanged(CharSequence s, int start, int before, int count) { 2025 // Do nothing. 2026 } 2027 2028 @Override 2029 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2030 // Do nothing. 2031 } 2032 } 2033 2034 /** 2035 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2036 */ 2037 private void handlePasteClip(ClipData clip) { 2038 removeTextChangedListener(mTextWatcher); 2039 2040 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2041 for (int i = 0; i < clip.getItemCount(); i++) { 2042 CharSequence paste = clip.getItemAt(i).getText(); 2043 if (paste != null) { 2044 int start = getSelectionStart(); 2045 int end = getSelectionEnd(); 2046 Editable editable = getText(); 2047 if (start >= 0 && end >= 0 && start != end) { 2048 editable.append(paste, start, end); 2049 } else { 2050 editable.insert(end, paste); 2051 } 2052 handlePasteAndReplace(); 2053 } 2054 } 2055 } 2056 2057 mHandler.post(mAddTextWatcher); 2058 } 2059 2060 @Override 2061 public boolean onTextContextMenuItem(int id) { 2062 if (id == android.R.id.paste) { 2063 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2064 Context.CLIPBOARD_SERVICE); 2065 handlePasteClip(clipboard.getPrimaryClip()); 2066 return true; 2067 } 2068 return super.onTextContextMenuItem(id); 2069 } 2070 2071 private void handlePasteAndReplace() { 2072 ArrayList<RecipientChip> created = handlePaste(); 2073 if (created != null && created.size() > 0) { 2074 // Perform reverse lookups on the pasted contacts. 2075 IndividualReplacementTask replace = new IndividualReplacementTask(); 2076 replace.execute(created); 2077 } 2078 } 2079 2080 // Visible for testing. 2081 /* package */ArrayList<RecipientChip> handlePaste() { 2082 String text = getText().toString(); 2083 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2084 String lastAddress = text.substring(originalTokenStart); 2085 int tokenStart = originalTokenStart; 2086 int prevTokenStart = tokenStart; 2087 RecipientChip findChip = null; 2088 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2089 if (tokenStart != 0) { 2090 // There are things before this! 2091 while (tokenStart != 0 && findChip == null) { 2092 prevTokenStart = tokenStart; 2093 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2094 findChip = findChip(tokenStart); 2095 } 2096 if (tokenStart != originalTokenStart) { 2097 if (findChip != null) { 2098 tokenStart = prevTokenStart; 2099 } 2100 int tokenEnd; 2101 RecipientChip createdChip; 2102 while (tokenStart < originalTokenStart) { 2103 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2104 commitChip(tokenStart, tokenEnd, getText()); 2105 createdChip = findChip(tokenStart); 2106 // +1 for the space at the end. 2107 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2108 created.add(createdChip); 2109 } 2110 } 2111 } 2112 // Take a look at the last token. If the token has been completed with a 2113 // commit character, create a chip. 2114 if (isCompletedToken(lastAddress)) { 2115 Editable editable = getText(); 2116 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2117 commitChip(tokenStart, editable.length(), editable); 2118 created.add(findChip(tokenStart)); 2119 } 2120 return created; 2121 } 2122 2123 // Visible for testing. 2124 /* package */int movePastTerminators(int tokenEnd) { 2125 if (tokenEnd >= length()) { 2126 return tokenEnd; 2127 } 2128 char atEnd = getText().toString().charAt(tokenEnd); 2129 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2130 tokenEnd++; 2131 } 2132 // This token had not only an end token character, but also a space 2133 // separating it from the next token. 2134 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2135 tokenEnd++; 2136 } 2137 return tokenEnd; 2138 } 2139 2140 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2141 private RecipientChip createFreeChip(RecipientEntry entry) { 2142 try { 2143 if (mNoChips) { 2144 return null; 2145 } 2146 return constructChipSpan(entry, -1, false); 2147 } catch (NullPointerException e) { 2148 Log.e(TAG, e.getMessage(), e); 2149 return null; 2150 } 2151 } 2152 2153 @Override 2154 protected Void doInBackground(Void... params) { 2155 if (mIndividualReplacements != null) { 2156 mIndividualReplacements.cancel(true); 2157 } 2158 // For each chip in the list, look up the matching contact. 2159 // If there is a match, replace that chip with the matching 2160 // chip. 2161 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2162 RecipientChip[] existingChips = getSortedRecipients(); 2163 for (int i = 0; i < existingChips.length; i++) { 2164 originalRecipients.add(existingChips[i]); 2165 } 2166 if (mRemovedSpans != null) { 2167 originalRecipients.addAll(mRemovedSpans); 2168 } 2169 String[] addresses = new String[originalRecipients.size()]; 2170 for (int i = 0; i < originalRecipients.size(); i++) { 2171 addresses[i] = createAddressText(originalRecipients.get(i).getEntry()); 2172 } 2173 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2174 .getMatchingRecipients(getContext(), addresses); 2175 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2176 for (final RecipientChip temp : originalRecipients) { 2177 RecipientEntry entry = null; 2178 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2179 && getSpannable().getSpanStart(temp) != -1) { 2180 // Replace this. 2181 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2182 .getDestination()))); 2183 } 2184 if (entry != null) { 2185 replacements.add(createFreeChip(entry)); 2186 } else { 2187 replacements.add(temp); 2188 } 2189 } 2190 if (replacements != null && replacements.size() > 0) { 2191 mHandler.post(new Runnable() { 2192 @Override 2193 public void run() { 2194 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2195 .toString()); 2196 Editable oldText = getText(); 2197 int start, end; 2198 int i = 0; 2199 for (RecipientChip chip : originalRecipients) { 2200 start = oldText.getSpanStart(chip); 2201 if (start != -1) { 2202 end = oldText.getSpanEnd(chip); 2203 oldText.removeSpan(chip); 2204 // Leave a spot for the space! 2205 RecipientChip replacement = replacements.get(i); 2206 text.setSpan(replacement, start, end, 2207 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2208 replacement.setOriginalText(text.toString().substring(start, end)); 2209 } 2210 i++; 2211 } 2212 originalRecipients.clear(); 2213 setText(text); 2214 } 2215 }); 2216 } 2217 return null; 2218 } 2219 } 2220 2221 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2222 @SuppressWarnings("unchecked") 2223 @Override 2224 protected Void doInBackground(Object... params) { 2225 // For each chip in the list, look up the matching contact. 2226 // If there is a match, replace that chip with the matching 2227 // chip. 2228 final ArrayList<RecipientChip> originalRecipients = 2229 (ArrayList<RecipientChip>) params[0]; 2230 String[] addresses = new String[originalRecipients.size()]; 2231 for (int i = 0; i < originalRecipients.size(); i++) { 2232 addresses[i] = createAddressText(originalRecipients.get(i).getEntry()); 2233 } 2234 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2235 .getMatchingRecipients(getContext(), addresses); 2236 for (final RecipientChip temp : originalRecipients) { 2237 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2238 && getSpannable().getSpanStart(temp) != -1) { 2239 // Replace this. 2240 final RecipientEntry entry = createValidatedEntry(entries 2241 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2242 if (entry != null) { 2243 mHandler.post(new Runnable() { 2244 @Override 2245 public void run() { 2246 replaceChip(temp, entry); 2247 } 2248 }); 2249 } 2250 } 2251 } 2252 return null; 2253 } 2254 } 2255 2256 2257 /** 2258 * MoreImageSpan is a simple class created for tracking the existence of a 2259 * more chip across activity restarts/ 2260 */ 2261 private class MoreImageSpan extends ImageSpan { 2262 public MoreImageSpan(Drawable b) { 2263 super(b); 2264 } 2265 } 2266 2267 @Override 2268 public boolean onDown(MotionEvent e) { 2269 return false; 2270 } 2271 2272 @Override 2273 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2274 // Do nothing. 2275 return false; 2276 } 2277 2278 @Override 2279 public void onLongPress(MotionEvent event) { 2280 if (mSelectedChip != null) { 2281 return; 2282 } 2283 float x = event.getX(); 2284 float y = event.getY(); 2285 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2286 RecipientChip currentChip = findChip(offset); 2287 if (currentChip != null) { 2288 if (mDragEnabled) { 2289 // Start drag-and-drop for the selected chip. 2290 startDrag(currentChip); 2291 } else { 2292 // Copy the selected chip email address. 2293 showCopyDialog(currentChip.getEntry().getDestination()); 2294 } 2295 } 2296 } 2297 2298 /** 2299 * Enables drag-and-drop for chips. 2300 */ 2301 public void enableDrag() { 2302 mDragEnabled = true; 2303 } 2304 2305 /** 2306 * Starts drag-and-drop for the selected chip. 2307 */ 2308 private void startDrag(RecipientChip currentChip) { 2309 String address = currentChip.getEntry().getDestination(); 2310 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2311 2312 // Start drag mode. 2313 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2314 2315 // Remove the current chip, so drag-and-drop will result in a move. 2316 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2317 removeChip(currentChip); 2318 } 2319 2320 /** 2321 * Handles drag event. 2322 */ 2323 @Override 2324 public boolean onDragEvent(DragEvent event) { 2325 switch (event.getAction()) { 2326 case DragEvent.ACTION_DRAG_STARTED: 2327 // Only handle plain text drag and drop. 2328 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2329 case DragEvent.ACTION_DRAG_ENTERED: 2330 requestFocus(); 2331 return true; 2332 case DragEvent.ACTION_DROP: 2333 handlePasteClip(event.getClipData()); 2334 return true; 2335 } 2336 return false; 2337 } 2338 2339 /** 2340 * Drag shadow for a {@link RecipientChip}. 2341 */ 2342 private final class RecipientChipShadow extends DragShadowBuilder { 2343 private final RecipientChip mChip; 2344 2345 public RecipientChipShadow(RecipientChip chip) { 2346 mChip = chip; 2347 } 2348 2349 @Override 2350 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2351 Rect rect = mChip.getDrawable().getBounds(); 2352 shadowSize.set(rect.width(), rect.height()); 2353 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2354 } 2355 2356 @Override 2357 public void onDrawShadow(Canvas canvas) { 2358 mChip.getDrawable().draw(canvas); 2359 } 2360 } 2361 2362 private void showCopyDialog(final String address) { 2363 mCopyAddress = address; 2364 mCopyDialog.setTitle(address); 2365 mCopyDialog.setContentView(mCopyViewRes); 2366 mCopyDialog.setCancelable(true); 2367 mCopyDialog.setCanceledOnTouchOutside(true); 2368 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 2369 mCopyDialog.setOnDismissListener(this); 2370 mCopyDialog.show(); 2371 } 2372 2373 @Override 2374 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2375 // Do nothing. 2376 return false; 2377 } 2378 2379 @Override 2380 public void onShowPress(MotionEvent e) { 2381 // Do nothing. 2382 } 2383 2384 @Override 2385 public boolean onSingleTapUp(MotionEvent e) { 2386 // Do nothing. 2387 return false; 2388 } 2389 2390 @Override 2391 public void onDismiss(DialogInterface dialog) { 2392 mCopyAddress = null; 2393 } 2394 2395 @Override 2396 public void onClick(View v) { 2397 // Copy this to the clipboard. 2398 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2399 Context.CLIPBOARD_SERVICE); 2400 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2401 mCopyDialog.dismiss(); 2402 } 2403} 2404