RecipientEditTextView.java revision 5cfd6fea275724ce223cb8f4a1821922c8763631
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 private static final int CHIP_LIMIT = 2; 109 110 private static int sSelectedTextColor = -1; 111 112 // Resources for displaying chips. 113 private Drawable mChipBackground = null; 114 115 private Drawable mChipDelete = null; 116 117 private Drawable mInvalidChipBackground; 118 119 private Drawable mChipBackgroundPressed; 120 121 private float mChipHeight; 122 123 private float mChipFontSize; 124 125 private int mChipPadding; 126 127 private Tokenizer mTokenizer; 128 129 private Validator mValidator; 130 131 private RecipientChip mSelectedChip; 132 133 private int mAlternatesLayout; 134 135 private Bitmap mDefaultContactPhoto; 136 137 private ImageSpan mMoreChip; 138 139 private TextView mMoreItem; 140 141 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 142 143 private Handler mHandler; 144 145 private int mPendingChipsCount = 0; 146 147 private ListPopupWindow mAlternatesPopup; 148 149 private ListPopupWindow mAddressPopup; 150 151 private ArrayList<RecipientChip> mTemporaryRecipients; 152 153 private ArrayList<RecipientChip> mRemovedSpans; 154 155 private boolean mShouldShrink = true; 156 157 // Chip copy fields. 158 private GestureDetector mGestureDetector; 159 160 private Dialog mCopyDialog; 161 162 private int mCopyViewRes; 163 164 private String mCopyAddress; 165 166 /** 167 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 168 * selected chip. 169 */ 170 private OnItemClickListener mAlternatesListener; 171 172 private int mCheckedItem; 173 174 private TextWatcher mTextWatcher; 175 176 // Obtain the enclosing scroll view, if it exists, so that the view can be 177 // scrolled to show the last line of chips content. 178 private ScrollView mScrollView; 179 180 private boolean mTriedGettingScrollView; 181 182 private boolean mDragEnabled = false; 183 184 private final Runnable mAddTextWatcher = new Runnable() { 185 @Override 186 public void run() { 187 if (mTextWatcher == null) { 188 mTextWatcher = new RecipientTextWatcher(); 189 addTextChangedListener(mTextWatcher); 190 } 191 } 192 }; 193 194 private IndividualReplacementTask mIndividualReplacements; 195 196 private Runnable mHandlePendingChips = new Runnable() { 197 198 @Override 199 public void run() { 200 handlePendingChips(); 201 } 202 203 }; 204 205 private Runnable mDelayedShrink = new Runnable() { 206 207 @Override 208 public void run() { 209 shrink(); 210 } 211 212 }; 213 214 public RecipientEditTextView(Context context, AttributeSet attrs) { 215 super(context, attrs); 216 if (sSelectedTextColor == -1) { 217 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 218 } 219 mAlternatesPopup = new ListPopupWindow(context); 220 mAlternatesPopup.setOnDismissListener(this); 221 mAddressPopup = new ListPopupWindow(context); 222 mAddressPopup.setOnDismissListener(this); 223 mCopyDialog = new Dialog(context); 224 mAlternatesListener = new OnItemClickListener() { 225 @Override 226 public void onItemClick(AdapterView<?> adapterView,View view, int position, 227 long rowId) { 228 mAlternatesPopup.setOnItemClickListener(null); 229 setEnabled(true); 230 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 231 .getRecipientEntry(position)); 232 Message delayed = Message.obtain(mHandler, DISMISS); 233 delayed.obj = mAlternatesPopup; 234 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 235 clearComposingText(); 236 } 237 }; 238 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 239 setOnItemClickListener(this); 240 setCustomSelectionActionModeCallback(this); 241 mHandler = new Handler() { 242 @Override 243 public void handleMessage(Message msg) { 244 if (msg.what == DISMISS) { 245 ((ListPopupWindow) msg.obj).dismiss(); 246 return; 247 } 248 super.handleMessage(msg); 249 } 250 }; 251 mTextWatcher = new RecipientTextWatcher(); 252 addTextChangedListener(mTextWatcher); 253 mGestureDetector = new GestureDetector(context, this); 254 } 255 256 /*package*/ RecipientChip getLastChip() { 257 RecipientChip last = null; 258 RecipientChip[] chips = getSortedRecipients(); 259 if (chips != null && chips.length > 0) { 260 last = chips[chips.length - 1]; 261 } 262 return last; 263 } 264 265 @Override 266 public void onSelectionChanged(int start, int end) { 267 // When selection changes, see if it is inside the chips area. 268 // If so, move the cursor back after the chips again. 269 RecipientChip last = getLastChip(); 270 if (last != null) { 271 // Grab the last chip and set the cursor to after it. 272 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 273 } 274 super.onSelectionChanged(start, end); 275 } 276 277 @Override 278 public void onRestoreInstanceState(Parcelable state) { 279 if (!TextUtils.isEmpty(getText())) { 280 super.onRestoreInstanceState(null); 281 } else { 282 super.onRestoreInstanceState(state); 283 } 284 } 285 286 @Override 287 public Parcelable onSaveInstanceState() { 288 // If the user changes orientation while they are editing, just roll back the selection. 289 clearSelectedChip(); 290 return super.onSaveInstanceState(); 291 } 292 293 /** 294 * Convenience method: Append the specified text slice to the TextView's 295 * display buffer, upgrading it to BufferType.EDITABLE if it was 296 * not already editable. Commas are excluded as they are added automatically 297 * by the view. 298 */ 299 @Override 300 public void append(CharSequence text, int start, int end) { 301 // We don't care about watching text changes while appending. 302 if (mTextWatcher != null) { 303 removeTextChangedListener(mTextWatcher); 304 } 305 super.append(text, start, end); 306 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 307 final String displayString = (String) text; 308 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 309 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 310 && TextUtils.getTrimmedLength(displayString) > 0) { 311 mPendingChipsCount++; 312 mPendingChips.add((String)text); 313 } 314 } 315 // Put a message on the queue to make sure we ALWAYS handle pending chips. 316 if (mPendingChipsCount > 0) { 317 postHandlePendingChips(); 318 } 319 mHandler.post(mAddTextWatcher); 320 } 321 322 @Override 323 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 324 super.onFocusChanged(hasFocus, direction, previous); 325 if (!hasFocus) { 326 shrink(); 327 } else { 328 expand(); 329 scrollLineIntoView(getLineCount()); 330 } 331 } 332 333 @Override 334 public void performValidation() { 335 // Do nothing. Chips handles its own validation. 336 } 337 338 private void shrink() { 339 if (mSelectedChip != null 340 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 341 clearSelectedChip(); 342 } else { 343 if (getWidth() <= 0) { 344 // We don't have the width yet which means the view hasn't been drawn yet 345 // and there is no reason to attempt to commit chips yet. 346 // This focus lost must be the result of an orientation change 347 // or an initial rendering. 348 // Re-post the shrink for later. 349 mHandler.removeCallbacks(mDelayedShrink); 350 mHandler.post(mDelayedShrink); 351 return; 352 } 353 // Reset any pending chips as they would have been handled 354 // when the field lost focus. 355 if (mPendingChipsCount > 0) { 356 postHandlePendingChips(); 357 } else { 358 Editable editable = getText(); 359 int end = getSelectionEnd(); 360 int start = mTokenizer.findTokenStart(editable, end); 361 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 362 if ((chips == null || chips.length == 0)) { 363 Editable text = getText(); 364 int whatEnd = mTokenizer.findTokenEnd(text, start); 365 // This token was already tokenized, so skip past the ending token. 366 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 367 whatEnd++; 368 } 369 // In the middle of chip; treat this as an edit 370 // and commit the whole token. 371 int selEnd = getSelectionEnd(); 372 if (whatEnd != selEnd && whatEnd != editable.toString().trim().length()) { 373 handleEdit(start, whatEnd); 374 } else { 375 commitChip(start, end, editable); 376 } 377 } 378 } 379 mHandler.post(mAddTextWatcher); 380 } 381 createMoreChip(); 382 } 383 384 private void expand() { 385 removeMoreChip(); 386 setCursorVisible(true); 387 Editable text = getText(); 388 setSelection(text != null && text.length() > 0 ? text.length() : 0); 389 // If there are any temporary chips, try replacing them now that the user 390 // has expanded the field. 391 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 392 new RecipientReplacementTask().execute(); 393 mTemporaryRecipients = null; 394 } 395 } 396 397 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 398 paint.setTextSize(mChipFontSize); 399 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 400 Log.d(TAG, "Max width is negative: " + maxWidth); 401 } 402 return TextUtils.ellipsize(text, paint, maxWidth, 403 TextUtils.TruncateAt.END); 404 } 405 406 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 407 // Ellipsize the text so that it takes AT MOST the entire width of the 408 // autocomplete text entry area. Make sure to leave space for padding 409 // on the sides. 410 int height = (int) mChipHeight; 411 int deleteWidth = height; 412 float[] widths = new float[1]; 413 paint.getTextWidths(" ", widths); 414 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 415 calculateAvailableWidth(true) - deleteWidth - widths[0]); 416 417 // Make sure there is a minimum chip width so the user can ALWAYS 418 // tap a chip without difficulty. 419 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 420 ellipsizedText.length())) 421 + (mChipPadding * 2) + deleteWidth); 422 423 // Create the background of the chip. 424 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 425 Canvas canvas = new Canvas(tmpBitmap); 426 if (mChipBackgroundPressed != null) { 427 mChipBackgroundPressed.setBounds(0, 0, width, height); 428 mChipBackgroundPressed.draw(canvas); 429 paint.setColor(sSelectedTextColor); 430 // Vertically center the text in the chip. 431 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 432 getTextYOffset((String) ellipsizedText, paint, height), paint); 433 // Make the delete a square. 434 Rect backgroundPadding = new Rect(); 435 mChipBackgroundPressed.getPadding(backgroundPadding); 436 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 437 0 + backgroundPadding.top, 438 width - backgroundPadding.right, 439 height - backgroundPadding.bottom); 440 mChipDelete.draw(canvas); 441 } else { 442 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 443 } 444 return tmpBitmap; 445 } 446 447 448 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 449 // Ellipsize the text so that it takes AT MOST the entire width of the 450 // autocomplete text entry area. Make sure to leave space for padding 451 // on the sides. 452 int height = (int) mChipHeight; 453 int iconWidth = height; 454 float[] widths = new float[1]; 455 paint.getTextWidths(" ", widths); 456 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 457 calculateAvailableWidth(false) - iconWidth - widths[0]); 458 // Make sure there is a minimum chip width so the user can ALWAYS 459 // tap a chip without difficulty. 460 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 461 ellipsizedText.length())) 462 + (mChipPadding * 2) + iconWidth); 463 464 // Create the background of the chip. 465 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 466 Canvas canvas = new Canvas(tmpBitmap); 467 Drawable background = getChipBackground(contact); 468 if (background != null) { 469 background.setBounds(0, 0, width, height); 470 background.draw(canvas); 471 472 // Don't draw photos for recipients that have been typed in. 473 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 474 byte[] photoBytes = contact.getPhotoBytes(); 475 // There may not be a photo yet if anything but the first contact address 476 // was selected. 477 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 478 // TODO: cache this in the recipient entry? 479 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 480 .getPhotoThumbnailUri()); 481 photoBytes = contact.getPhotoBytes(); 482 } 483 484 Bitmap photo; 485 if (photoBytes != null) { 486 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 487 } else { 488 // TODO: can the scaled down default photo be cached? 489 photo = mDefaultContactPhoto; 490 } 491 // Draw the photo on the left side. 492 if (photo != null) { 493 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 494 Rect backgroundPadding = new Rect(); 495 mChipBackground.getPadding(backgroundPadding); 496 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 497 0 + backgroundPadding.top, 498 width - backgroundPadding.right, 499 height - backgroundPadding.bottom); 500 Matrix matrix = new Matrix(); 501 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 502 canvas.drawBitmap(photo, matrix, paint); 503 } 504 } else { 505 // Don't leave any space for the icon. It isn't being drawn. 506 iconWidth = 0; 507 } 508 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 509 // Vertically center the text in the chip. 510 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 511 getTextYOffset((String)ellipsizedText, paint, height), paint); 512 } else { 513 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 514 } 515 return tmpBitmap; 516 } 517 518 /** 519 * Get the background drawable for a RecipientChip. 520 */ 521 // Visible for testing. 522 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 523 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 524 mChipBackground : mInvalidChipBackground; 525 } 526 527 private float getTextYOffset(String text, TextPaint paint, int height) { 528 Rect bounds = new Rect(); 529 paint.getTextBounds(text, 0, text.length(), bounds); 530 int textHeight = bounds.bottom - bounds.top - (int)paint.descent(); 531 return height - ((height - textHeight) / 2); 532 } 533 534 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 535 throws NullPointerException { 536 if (mChipBackground == null) { 537 throw new NullPointerException( 538 "Unable to render any chips as setChipDimensions was not called."); 539 } 540 Layout layout = getLayout(); 541 542 TextPaint paint = getPaint(); 543 float defaultSize = paint.getTextSize(); 544 int defaultColor = paint.getColor(); 545 546 Bitmap tmpBitmap; 547 if (pressed) { 548 tmpBitmap = createSelectedChip(contact, paint, layout); 549 550 } else { 551 tmpBitmap = createUnselectedChip(contact, paint, layout); 552 } 553 554 // Pass the full text, un-ellipsized, to the chip. 555 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 556 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 557 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 558 // Return text to the original size. 559 paint.setTextSize(defaultSize); 560 paint.setColor(defaultColor); 561 return recipientChip; 562 } 563 564 /** 565 * Calculate the bottom of the line the chip will be located on using: 566 * 1) which line the chip appears on 567 * 2) the height of a chip 568 * 3) padding built into the edit text view 569 */ 570 private int calculateOffsetFromBottom(int line) { 571 // Line offsets start at zero. 572 int actualLine = getLineCount() - (line + 1); 573 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 574 + getDropDownVerticalOffset(); 575 } 576 577 /** 578 * Get the max amount of space a chip can take up. The formula takes into 579 * account the width of the EditTextView, any view padding, and padding 580 * that will be added to the chip. 581 */ 582 private float calculateAvailableWidth(boolean pressed) { 583 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 584 } 585 586 /** 587 * Set all chip dimensions and resources. This has to be done from the 588 * application as this is a static library. 589 * @param chipBackground 590 * @param chipBackgroundPressed 591 * @param invalidChip 592 * @param chipDelete 593 * @param defaultContact 594 * @param moreResource 595 * @param alternatesLayout 596 * @param chipHeight 597 * @param padding Padding around the text in a chip 598 * @param chipFontSize 599 * @param copyViewRes 600 */ 601 public void setChipDimensions(Drawable chipBackground, Drawable chipBackgroundPressed, 602 Drawable invalidChip, Drawable chipDelete, Bitmap defaultContact, int moreResource, 603 int alternatesLayout, float chipHeight, float padding, 604 float chipFontSize, int copyViewRes) { 605 mChipBackground = chipBackground; 606 mChipBackgroundPressed = chipBackgroundPressed; 607 mChipDelete = chipDelete; 608 mChipPadding = (int) padding; 609 mAlternatesLayout = alternatesLayout; 610 mDefaultContactPhoto = defaultContact; 611 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(moreResource, null); 612 mChipHeight = chipHeight; 613 mChipFontSize = chipFontSize; 614 mInvalidChipBackground = invalidChip; 615 mCopyViewRes = copyViewRes; 616 } 617 618 // Visible for testing. 619 /* package */ void setMoreItem(TextView moreItem) { 620 mMoreItem = moreItem; 621 } 622 623 624 // Visible for testing. 625 /* package */ void setChipBackground(Drawable chipBackground) { 626 mChipBackground = chipBackground; 627 } 628 629 // Visible for testing. 630 /* package */ void setChipHeight(int height) { 631 mChipHeight = height; 632 } 633 634 /** 635 * Set whether to shrink the recipients field such that at most 636 * one line of recipients chips are shown when the field loses 637 * focus. By default, the number of displayed recipients will be 638 * limited and a "more" chip will be shown when focus is lost. 639 * @param shrink 640 */ 641 public void setOnFocusListShrinkRecipients(boolean shrink) { 642 mShouldShrink = shrink; 643 } 644 645 @Override 646 public void onSizeChanged(int width, int height, int oldw, int oldh) { 647 super.onSizeChanged(width, height, oldw, oldh); 648 if (width != 0 && height != 0) { 649 if (mPendingChipsCount > 0) { 650 postHandlePendingChips(); 651 } else { 652 checkChipWidths(); 653 } 654 } 655 // Try to find the scroll view parent, if it exists. 656 if (mScrollView == null && !mTriedGettingScrollView) { 657 ViewParent parent = getParent(); 658 while (parent != null && !(parent instanceof ScrollView)) { 659 parent = parent.getParent(); 660 } 661 if (parent != null) { 662 mScrollView = (ScrollView) parent; 663 } 664 mTriedGettingScrollView = true; 665 } 666 } 667 668 private void postHandlePendingChips() { 669 mHandler.removeCallbacks(mHandlePendingChips); 670 mHandler.post(mHandlePendingChips); 671 } 672 673 private void checkChipWidths() { 674 // Check the widths of the associated chips. 675 RecipientChip[] chips = getSortedRecipients(); 676 if (chips != null) { 677 Rect bounds; 678 for (RecipientChip chip : chips) { 679 bounds = chip.getDrawable().getBounds(); 680 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 681 // Need to redraw that chip. 682 replaceChip(chip, chip.getEntry()); 683 } 684 } 685 } 686 } 687 688 private void handlePendingChips() { 689 if (getWidth() <= 0) { 690 // The widget has not been sized yet. 691 // This will be called as a result of onSizeChanged 692 // at a later point. 693 return; 694 } 695 696 if (mPendingChipsCount <= 0) { 697 return; 698 } 699 700 synchronized (mPendingChips) { 701 Editable editable = getText(); 702 // Tokenize! 703 for (int i = 0; i < mPendingChips.size(); i++) { 704 String current = mPendingChips.get(i); 705 int tokenStart = editable.toString().indexOf(current); 706 int tokenEnd = tokenStart + current.length(); 707 if (tokenStart >= 0) { 708 // When we have a valid token, include it with the token 709 // to the left. 710 if (tokenEnd < editable.length() - 2 711 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 712 tokenEnd++; 713 } 714 createReplacementChip(tokenStart, tokenEnd, editable); 715 } 716 mPendingChipsCount--; 717 } 718 sanitizeEnd(); 719 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 720 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 721 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 722 new RecipientReplacementTask().execute(); 723 mTemporaryRecipients = null; 724 } else { 725 // Create the "more" chip 726 mIndividualReplacements = new IndividualReplacementTask(); 727 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 728 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 729 730 createMoreChip(); 731 } 732 } else { 733 // There are too many recipients to look up, so just fall back 734 // to showing addresses for all of them. 735 mTemporaryRecipients = null; 736 createMoreChip(); 737 } 738 mPendingChipsCount = 0; 739 mPendingChips.clear(); 740 } 741 } 742 743 /** 744 * Remove any characters after the last valid chip. 745 */ 746 // Visible for testing. 747 /*package*/ void sanitizeEnd() { 748 // Find the last chip; eliminate any commit characters after it. 749 RecipientChip[] chips = getSortedRecipients(); 750 if (chips != null && chips.length > 0) { 751 int end; 752 ImageSpan lastSpan; 753 mMoreChip = getMoreChip(); 754 if (mMoreChip != null) { 755 lastSpan = mMoreChip; 756 } else { 757 lastSpan = getLastChip(); 758 } 759 end = getSpannable().getSpanEnd(lastSpan); 760 Editable editable = getText(); 761 int length = editable.length(); 762 if (length > end) { 763 // See what characters occur after that and eliminate them. 764 if (Log.isLoggable(TAG, Log.DEBUG)) { 765 Log.d(TAG, "There were extra characters after the last tokenizable entry." 766 + editable); 767 } 768 editable.delete(end + 1, length); 769 } 770 } 771 } 772 773 /** 774 * Create a chip that represents just the email address of a recipient. At some later 775 * point, this chip will be attached to a real contact entry, if one exists. 776 */ 777 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 778 if (alreadyHasChip(tokenStart, tokenEnd)) { 779 // There is already a chip present at this location. 780 // Don't recreate it. 781 return; 782 } 783 String token = editable.toString().substring(tokenStart, tokenEnd); 784 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 785 if (commitCharIndex == token.length() - 1) { 786 token = token.substring(0, token.length() - 1); 787 } 788 RecipientEntry entry = createTokenizedEntry(token); 789 if (entry != null) { 790 String destText = createAddressText(entry); 791 // Always leave a blank space at the end of a chip. 792 int textLength = destText.length() - 1; 793 SpannableString chipText = new SpannableString(destText); 794 int end = getSelectionEnd(); 795 int start = mTokenizer.findTokenStart(getText(), end); 796 RecipientChip chip = null; 797 try { 798 chip = constructChipSpan(entry, start, false); 799 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 800 } catch (NullPointerException e) { 801 Log.e(TAG, e.getMessage(), e); 802 } 803 editable.replace(tokenStart, tokenEnd, chipText); 804 // Add this chip to the list of entries "to replace" 805 if (chip != null) { 806 if (mTemporaryRecipients == null) { 807 mTemporaryRecipients = new ArrayList<RecipientChip>(); 808 } 809 chip.setOriginalText(chipText.toString()); 810 mTemporaryRecipients.add(chip); 811 } 812 } 813 } 814 815 private RecipientEntry createTokenizedEntry(String token) { 816 if (TextUtils.isEmpty(token)) { 817 return null; 818 } 819 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 820 String display = null; 821 if (isValid(token) && tokens != null && tokens.length > 0) { 822 // If we can get a name from tokenizing, then generate an entry from 823 // this. 824 display = tokens[0].getName(); 825 if (!TextUtils.isEmpty(display)) { 826 return RecipientEntry.constructGeneratedEntry(display, token); 827 } else { 828 display = tokens[0].getAddress(); 829 if (!TextUtils.isEmpty(display)) { 830 return RecipientEntry.constructFakeEntry(display); 831 } 832 } 833 } 834 // Unable to validate the token or to create a valid token from it. 835 // Just create a chip the user can edit. 836 String validatedToken = null; 837 if (mValidator != null && !mValidator.isValid(token)) { 838 // Try fixing up the entry using the validator. 839 validatedToken = mValidator.fixText(token).toString(); 840 if (!TextUtils.isEmpty(validatedToken)) { 841 if (validatedToken.contains(token)) { 842 // protect against the case of a validator with a null domain, 843 // which doesn't add a domain to the token 844 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 845 if (tokenized.length > 0) { 846 validatedToken = tokenized[0].getAddress(); 847 } 848 } else { 849 // We ran into a case where the token was invalid and removed 850 // by the validator. In this case, just use the original token 851 // and let the user sort out the error chip. 852 validatedToken = null; 853 } 854 } 855 } 856 // Otherwise, fallback to just creating an editable email address chip. 857 return RecipientEntry 858 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 859 } 860 861 private boolean isValid(String text) { 862 return mValidator == null ? true : mValidator.isValid(text); 863 } 864 865 private String tokenizeAddress(String destination) { 866 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 867 if (tokens != null && tokens.length > 0) { 868 return tokens[0].getAddress(); 869 } 870 return destination; 871 } 872 873 @Override 874 public void setTokenizer(Tokenizer tokenizer) { 875 mTokenizer = tokenizer; 876 super.setTokenizer(mTokenizer); 877 } 878 879 @Override 880 public void setValidator(Validator validator) { 881 mValidator = validator; 882 super.setValidator(validator); 883 } 884 885 /** 886 * We cannot use the default mechanism for replaceText. Instead, 887 * we override onItemClickListener so we can get all the associated 888 * contact information including display text, address, and id. 889 */ 890 @Override 891 protected void replaceText(CharSequence text) { 892 return; 893 } 894 895 /** 896 * Dismiss any selected chips when the back key is pressed. 897 */ 898 @Override 899 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 900 if (keyCode == KeyEvent.KEYCODE_BACK) { 901 clearSelectedChip(); 902 } 903 return super.onKeyPreIme(keyCode, event); 904 } 905 906 /** 907 * Monitor key presses in this view to see if the user types 908 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 909 * If the user has entered text that has contact matches and types 910 * a commit key, create a chip from the topmost matching contact. 911 * If the user has entered text that has no contact matches and types 912 * a commit key, then create a chip from the text they have entered. 913 */ 914 @Override 915 public boolean onKeyUp(int keyCode, KeyEvent event) { 916 switch (keyCode) { 917 case KeyEvent.KEYCODE_ENTER: 918 case KeyEvent.KEYCODE_DPAD_CENTER: 919 if (event.hasNoModifiers()) { 920 if (commitDefault()) { 921 return true; 922 } 923 if (mSelectedChip != null) { 924 clearSelectedChip(); 925 return true; 926 } else if (focusNext()) { 927 return true; 928 } 929 } 930 break; 931 case KeyEvent.KEYCODE_TAB: 932 if (event.hasNoModifiers()) { 933 if (mSelectedChip != null) { 934 clearSelectedChip(); 935 } else { 936 commitDefault(); 937 } 938 if (focusNext()) { 939 return true; 940 } 941 } 942 } 943 return super.onKeyUp(keyCode, event); 944 } 945 946 private boolean focusNext() { 947 View next = focusSearch(View.FOCUS_DOWN); 948 if (next != null) { 949 next.requestFocus(); 950 return true; 951 } 952 return false; 953 } 954 955 /** 956 * Create a chip from the default selection. If the popup is showing, the 957 * default is the first item in the popup suggestions list. Otherwise, it is 958 * whatever the user had typed in. End represents where the the tokenizer 959 * should search for a token to turn into a chip. 960 * @return If a chip was created from a real contact. 961 */ 962 private boolean commitDefault() { 963 Editable editable = getText(); 964 int end = getSelectionEnd(); 965 int start = mTokenizer.findTokenStart(editable, end); 966 967 if (shouldCreateChip(start, end)) { 968 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 969 // In the middle of chip; treat this as an edit 970 // and commit the whole token. 971 if (whatEnd != getSelectionEnd()) { 972 handleEdit(start, whatEnd); 973 return true; 974 } 975 return commitChip(start, end , editable); 976 } 977 return false; 978 } 979 980 private void commitByCharacter() { 981 Editable editable = getText(); 982 int end = getSelectionEnd(); 983 int start = mTokenizer.findTokenStart(editable, end); 984 if (shouldCreateChip(start, end)) { 985 commitChip(start, end, editable); 986 } 987 setSelection(getText().length()); 988 } 989 990 private boolean commitChip(int start, int end, Editable editable) { 991 ListAdapter adapter = getAdapter(); 992 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 993 && end == getSelectionEnd()) { 994 // choose the first entry. 995 submitItemAtPosition(0); 996 dismissDropDown(); 997 return true; 998 } else { 999 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1000 if (editable.length() > tokenEnd + 1) { 1001 char charAt = editable.charAt(tokenEnd + 1); 1002 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1003 tokenEnd++; 1004 } 1005 } 1006 String text = editable.toString().substring(start, tokenEnd).trim(); 1007 clearComposingText(); 1008 if (text != null && text.length() > 0 && !text.equals(" ")) { 1009 RecipientEntry entry = createTokenizedEntry(text); 1010 if (entry != null) { 1011 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1012 CharSequence chipText = createChip(entry, false); 1013 if (chipText != null && start > -1 && end > -1) { 1014 editable.replace(start, end, chipText); 1015 } 1016 } 1017 // Only dismiss the dropdown if it is related to the text we 1018 // just committed. 1019 // For paste, it may not be as there are possibly multiple 1020 // tokens being added. 1021 if (end == getSelectionEnd()) { 1022 dismissDropDown(); 1023 } 1024 sanitizeBetween(); 1025 return true; 1026 } 1027 } 1028 return false; 1029 } 1030 1031 // Visible for testing. 1032 /* package */ void sanitizeBetween() { 1033 // Find the last chip. 1034 RecipientChip[] recips = getSortedRecipients(); 1035 if (recips != null && recips.length > 0) { 1036 RecipientChip last = recips[recips.length - 1]; 1037 RecipientChip beforeLast = null; 1038 if (recips.length > 1) { 1039 beforeLast = recips[recips.length - 2]; 1040 } 1041 int startLooking = 0; 1042 int end = getSpannable().getSpanStart(last); 1043 if (beforeLast != null) { 1044 startLooking = getSpannable().getSpanEnd(beforeLast); 1045 Editable text = getText(); 1046 if (startLooking == -1 || startLooking > text.length() - 1) { 1047 // There is nothing after this chip. 1048 return; 1049 } 1050 if (text.charAt(startLooking) == ' ') { 1051 startLooking++; 1052 } 1053 } 1054 if (startLooking >= 0 && end >= 0 && startLooking != end) { 1055 getText().delete(startLooking, end); 1056 } 1057 } 1058 } 1059 1060 private boolean shouldCreateChip(int start, int end) { 1061 return hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1062 } 1063 1064 private boolean alreadyHasChip(int start, int end) { 1065 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1066 if ((chips == null || chips.length == 0)) { 1067 return false; 1068 } 1069 return true; 1070 } 1071 1072 private void handleEdit(int start, int end) { 1073 if (start == -1 || end == -1) { 1074 // This chip no longer exists in the field. 1075 dismissDropDown(); 1076 return; 1077 } 1078 // This is in the middle of a chip, so select out the whole chip 1079 // and commit it. 1080 Editable editable = getText(); 1081 setSelection(end); 1082 String text = getText().toString().substring(start, end); 1083 if (!TextUtils.isEmpty(text)) { 1084 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1085 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1086 CharSequence chipText = createChip(entry, false); 1087 int selEnd = getSelectionEnd(); 1088 if (chipText != null && start > -1 && selEnd > -1) { 1089 editable.replace(start, selEnd, chipText); 1090 } 1091 } 1092 dismissDropDown(); 1093 } 1094 1095 /** 1096 * If there is a selected chip, delegate the key events 1097 * to the selected chip. 1098 */ 1099 @Override 1100 public boolean onKeyDown(int keyCode, KeyEvent event) { 1101 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1102 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1103 mAlternatesPopup.dismiss(); 1104 } 1105 removeChip(mSelectedChip); 1106 } 1107 1108 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1109 return true; 1110 } 1111 1112 return super.onKeyDown(keyCode, event); 1113 } 1114 1115 // Visible for testing. 1116 /* package */ Spannable getSpannable() { 1117 return getText(); 1118 } 1119 1120 private int getChipStart(RecipientChip chip) { 1121 return getSpannable().getSpanStart(chip); 1122 } 1123 1124 private int getChipEnd(RecipientChip chip) { 1125 return getSpannable().getSpanEnd(chip); 1126 } 1127 1128 /** 1129 * Instead of filtering on the entire contents of the edit box, 1130 * this subclass method filters on the range from 1131 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1132 * if the length of that range meets or exceeds {@link #getThreshold} 1133 * and makes sure that the range is not already a Chip. 1134 */ 1135 @Override 1136 protected void performFiltering(CharSequence text, int keyCode) { 1137 if (enoughToFilter() && !isCompletedToken(text)) { 1138 int end = getSelectionEnd(); 1139 int start = mTokenizer.findTokenStart(text, end); 1140 // If this is a RecipientChip, don't filter 1141 // on its contents. 1142 Spannable span = getSpannable(); 1143 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1144 if (chips != null && chips.length > 0) { 1145 return; 1146 } 1147 } 1148 super.performFiltering(text, keyCode); 1149 } 1150 1151 // Visible for testing. 1152 /*package*/ boolean isCompletedToken(CharSequence text) { 1153 if (TextUtils.isEmpty(text)) { 1154 return false; 1155 } 1156 // Check to see if this is a completed token before filtering. 1157 int end = text.length(); 1158 int start = mTokenizer.findTokenStart(text, end); 1159 String token = text.toString().substring(start, end).trim(); 1160 if (!TextUtils.isEmpty(token)) { 1161 char atEnd = token.charAt(token.length() - 1); 1162 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1163 } 1164 return false; 1165 } 1166 1167 private void clearSelectedChip() { 1168 if (mSelectedChip != null) { 1169 unselectChip(mSelectedChip); 1170 mSelectedChip = null; 1171 } 1172 setCursorVisible(true); 1173 } 1174 1175 /** 1176 * Monitor touch events in the RecipientEditTextView. 1177 * If the view does not have focus, any tap on the view 1178 * will just focus the view. If the view has focus, determine 1179 * if the touch target is a recipient chip. If it is and the chip 1180 * is not selected, select it and clear any other selected chips. 1181 * If it isn't, then select that chip. 1182 */ 1183 @Override 1184 public boolean onTouchEvent(MotionEvent event) { 1185 if (!isFocused()) { 1186 // Ignore any chip taps until this view is focused. 1187 return super.onTouchEvent(event); 1188 } 1189 boolean handled = super.onTouchEvent(event); 1190 int action = event.getAction(); 1191 boolean chipWasSelected = false; 1192 if (mSelectedChip == null) { 1193 mGestureDetector.onTouchEvent(event); 1194 } 1195 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1196 float x = event.getX(); 1197 float y = event.getY(); 1198 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1199 RecipientChip currentChip = findChip(offset); 1200 if (currentChip != null) { 1201 if (action == MotionEvent.ACTION_UP) { 1202 if (mSelectedChip != null && mSelectedChip != currentChip) { 1203 clearSelectedChip(); 1204 mSelectedChip = selectChip(currentChip); 1205 } else if (mSelectedChip == null) { 1206 setSelection(getText().length()); 1207 commitDefault(); 1208 mSelectedChip = selectChip(currentChip); 1209 } else { 1210 onClick(mSelectedChip, offset, x, y); 1211 } 1212 } 1213 chipWasSelected = true; 1214 handled = true; 1215 } else if (mSelectedChip != null 1216 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1217 chipWasSelected = true; 1218 } 1219 } 1220 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1221 clearSelectedChip(); 1222 } 1223 return handled; 1224 } 1225 1226 private void scrollLineIntoView(int line) { 1227 if (mScrollView != null) { 1228 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1229 } 1230 } 1231 1232 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1233 int width, Context context) { 1234 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1235 int bottom = calculateOffsetFromBottom(line); 1236 // Align the alternates popup with the left side of the View, 1237 // regardless of the position of the chip tapped. 1238 alternatesPopup.setWidth(width); 1239 setEnabled(false); 1240 alternatesPopup.setAnchorView(this); 1241 alternatesPopup.setVerticalOffset(bottom); 1242 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1243 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1244 // Clear the checked item. 1245 mCheckedItem = -1; 1246 alternatesPopup.show(); 1247 ListView listView = alternatesPopup.getListView(); 1248 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1249 // Checked item would be -1 if the adapter has not 1250 // loaded the view that should be checked yet. The 1251 // variable will be set correctly when onCheckedItemChanged 1252 // is called in a separate thread. 1253 if (mCheckedItem != -1) { 1254 listView.setItemChecked(mCheckedItem, true); 1255 mCheckedItem = -1; 1256 } 1257 } 1258 1259 // Dismiss listener for alterns and single address popup. 1260 @Override 1261 public void onDismiss() { 1262 setEnabled(true); 1263 } 1264 1265 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1266 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1267 mAlternatesLayout, this); 1268 } 1269 1270 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1271 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1272 .getEntry()); 1273 } 1274 1275 @Override 1276 public void onCheckedItemChanged(int position) { 1277 ListView listView = mAlternatesPopup.getListView(); 1278 if (listView != null && listView.getCheckedItemCount() == 0) { 1279 listView.setItemChecked(position, true); 1280 } 1281 mCheckedItem = position; 1282 } 1283 1284 // TODO: This algorithm will need a lot of tweaking after more people have used 1285 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1286 // what comes before the finger. 1287 private int putOffsetInRange(int o) { 1288 int offset = o; 1289 Editable text = getText(); 1290 int length = text.length(); 1291 // Remove whitespace from end to find "real end" 1292 int realLength = length; 1293 for (int i = length - 1; i >= 0; i--) { 1294 if (text.charAt(i) == ' ') { 1295 realLength--; 1296 } else { 1297 break; 1298 } 1299 } 1300 1301 // If the offset is beyond or at the end of the text, 1302 // leave it alone. 1303 if (offset >= realLength) { 1304 return offset; 1305 } 1306 Editable editable = getText(); 1307 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1308 // Keep walking backward! 1309 offset--; 1310 } 1311 return offset; 1312 } 1313 1314 private int findText(Editable text, int offset) { 1315 if (text.charAt(offset) != ' ') { 1316 return offset; 1317 } 1318 return -1; 1319 } 1320 1321 private RecipientChip findChip(int offset) { 1322 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1323 // Find the chip that contains this offset. 1324 for (int i = 0; i < chips.length; i++) { 1325 RecipientChip chip = chips[i]; 1326 int start = getChipStart(chip); 1327 int end = getChipEnd(chip); 1328 if (offset >= start && offset <= end) { 1329 return chip; 1330 } 1331 } 1332 return null; 1333 } 1334 1335 // Visible for testing. 1336 // Use this method to generate text to add to the list of addresses. 1337 /*package*/ String createAddressText(RecipientEntry entry) { 1338 String display = entry.getDisplayName(); 1339 String address = entry.getDestination(); 1340 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1341 display = null; 1342 } 1343 if (address != null) { 1344 // Tokenize out the address in case the address already 1345 // contained the username as well. 1346 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1347 if (tokenized != null && tokenized.length > 0) { 1348 address = tokenized[0].getAddress(); 1349 } 1350 } 1351 Rfc822Token token = new Rfc822Token(display, address, null); 1352 String trimmedDisplayText = token.toString().trim(); 1353 int index = trimmedDisplayText.indexOf(","); 1354 return index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1355 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1356 } 1357 1358 // Visible for testing. 1359 // Use this method to generate text to display in a chip. 1360 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1361 String display = entry.getDisplayName(); 1362 String address = entry.getDestination(); 1363 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1364 display = null; 1365 } 1366 if (address != null) { 1367 // Tokenize out the address in case the address already 1368 // contained the username as well. 1369 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1370 if (tokenized != null && tokenized.length > 0) { 1371 address = tokenized[0].getAddress(); 1372 } 1373 } 1374 if (!TextUtils.isEmpty(display)) { 1375 return display; 1376 } else if (!TextUtils.isEmpty(address)){ 1377 return address; 1378 } else { 1379 return new Rfc822Token(display, address, null).toString(); 1380 } 1381 } 1382 1383 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1384 String displayText = createAddressText(entry); 1385 if (TextUtils.isEmpty(displayText)) { 1386 return null; 1387 } 1388 // Always leave a blank space at the end of a chip. 1389 int textLength = displayText.length()-1; 1390 SpannableString chipText = new SpannableString(displayText); 1391 int end = getSelectionEnd(); 1392 int start = mTokenizer.findTokenStart(getText(), end); 1393 try { 1394 RecipientChip chip = constructChipSpan(entry, start, pressed); 1395 chipText.setSpan(chip, 0, textLength, 1396 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1397 chip.setOriginalText(chipText.toString()); 1398 } catch (NullPointerException e) { 1399 Log.e(TAG, e.getMessage(), e); 1400 return null; 1401 } 1402 1403 return chipText; 1404 } 1405 1406 /** 1407 * When an item in the suggestions list has been clicked, create a chip from the 1408 * contact information of the selected item. 1409 */ 1410 @Override 1411 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1412 submitItemAtPosition(position); 1413 } 1414 1415 private void submitItemAtPosition(int position) { 1416 RecipientEntry entry = createValidatedEntry( 1417 (RecipientEntry)getAdapter().getItem(position)); 1418 if (entry == null) { 1419 return; 1420 } 1421 clearComposingText(); 1422 1423 int end = getSelectionEnd(); 1424 int start = mTokenizer.findTokenStart(getText(), end); 1425 1426 Editable editable = getText(); 1427 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1428 CharSequence chip = createChip(entry, false); 1429 if (chip != null) { 1430 editable.replace(start, end, chip); 1431 } 1432 sanitizeBetween(); 1433 } 1434 1435 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1436 if (item == null) { 1437 return null; 1438 } 1439 final RecipientEntry entry; 1440 // If the display name and the address are the same, or if this is a 1441 // valid contact, but the destination is invalid, then make this a fake 1442 // recipient that is editable. 1443 String destination = item.getDestination(); 1444 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1445 && (TextUtils.isEmpty(item.getDisplayName()) 1446 || TextUtils.equals(item.getDisplayName(), destination) 1447 || (mValidator != null && !mValidator.isValid(destination)))) { 1448 entry = RecipientEntry.constructFakeEntry(destination); 1449 } else { 1450 entry = item; 1451 } 1452 return entry; 1453 } 1454 1455 /** Returns a collection of contact Id for each chip inside this View. */ 1456 /* package */ Collection<Long> getContactIds() { 1457 final Set<Long> result = new HashSet<Long>(); 1458 RecipientChip[] chips = getSortedRecipients(); 1459 if (chips != null) { 1460 for (RecipientChip chip : chips) { 1461 result.add(chip.getContactId()); 1462 } 1463 } 1464 return result; 1465 } 1466 1467 1468 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1469 /* package */ Collection<Long> getDataIds() { 1470 final Set<Long> result = new HashSet<Long>(); 1471 RecipientChip [] chips = getSortedRecipients(); 1472 if (chips != null) { 1473 for (RecipientChip chip : chips) { 1474 result.add(chip.getDataId()); 1475 } 1476 } 1477 return result; 1478 } 1479 1480 // Visible for testing. 1481 /* package */RecipientChip[] getSortedRecipients() { 1482 RecipientChip[] recips = getSpannable() 1483 .getSpans(0, getText().length(), RecipientChip.class); 1484 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1485 .asList(recips)); 1486 final Spannable spannable = getSpannable(); 1487 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1488 1489 @Override 1490 public int compare(RecipientChip first, RecipientChip second) { 1491 int firstStart = spannable.getSpanStart(first); 1492 int secondStart = spannable.getSpanStart(second); 1493 if (firstStart < secondStart) { 1494 return -1; 1495 } else if (firstStart > secondStart) { 1496 return 1; 1497 } else { 1498 return 0; 1499 } 1500 } 1501 }); 1502 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1503 } 1504 1505 @Override 1506 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1507 return false; 1508 } 1509 1510 @Override 1511 public void onDestroyActionMode(ActionMode mode) { 1512 } 1513 1514 @Override 1515 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1516 return false; 1517 } 1518 1519 /** 1520 * No chips are selectable. 1521 */ 1522 @Override 1523 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1524 return false; 1525 } 1526 1527 // Visible for testing. 1528 /* package */ImageSpan getMoreChip() { 1529 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1530 MoreImageSpan.class); 1531 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1532 } 1533 1534 /** 1535 * Create the more chip. The more chip is text that replaces any chips that 1536 * do not fit in the pre-defined available space when the 1537 * RecipientEditTextView loses focus. 1538 */ 1539 // Visible for testing. 1540 /* package */ void createMoreChip() { 1541 if (!mShouldShrink) { 1542 return; 1543 } 1544 1545 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1546 if (tempMore.length > 0) { 1547 getSpannable().removeSpan(tempMore[0]); 1548 } 1549 RecipientChip[] recipients = getSortedRecipients(); 1550 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1551 mMoreChip = null; 1552 return; 1553 } 1554 Spannable spannable = getSpannable(); 1555 int numRecipients = recipients.length; 1556 int overage = numRecipients - CHIP_LIMIT; 1557 String moreText = String.format(mMoreItem.getText().toString(), overage); 1558 TextPaint morePaint = new TextPaint(getPaint()); 1559 morePaint.setTextSize(mMoreItem.getTextSize()); 1560 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1561 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1562 + mMoreItem.getPaddingRight(); 1563 int height = getLineHeight(); 1564 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1565 Canvas canvas = new Canvas(drawable); 1566 int adjustedHeight = height; 1567 Layout layout = getLayout(); 1568 if (layout != null) { 1569 adjustedHeight -= layout.getLineDescent(0); 1570 } 1571 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1572 1573 Drawable result = new BitmapDrawable(getResources(), drawable); 1574 result.setBounds(0, 0, width, height); 1575 MoreImageSpan moreSpan = new MoreImageSpan(result); 1576 // Remove the overage chips. 1577 if (recipients == null || recipients.length == 0) { 1578 Log.w(TAG, 1579 "We have recipients. Tt should not be possible to have zero RecipientChips."); 1580 mMoreChip = null; 1581 return; 1582 } 1583 mRemovedSpans = new ArrayList<RecipientChip>(); 1584 int totalReplaceStart = 0; 1585 int totalReplaceEnd = 0; 1586 Editable text = getText(); 1587 for (int i = numRecipients - overage; i < recipients.length; i++) { 1588 mRemovedSpans.add(recipients[i]); 1589 if (i == numRecipients - overage) { 1590 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1591 } 1592 if (i == recipients.length - 1) { 1593 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1594 } 1595 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1596 int spanStart = spannable.getSpanStart(recipients[i]); 1597 int spanEnd = spannable.getSpanEnd(recipients[i]); 1598 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1599 } 1600 spannable.removeSpan(recipients[i]); 1601 } 1602 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1603 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1604 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1605 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1606 text.replace(start, end, chipText); 1607 mMoreChip = moreSpan; 1608 } 1609 1610 /** 1611 * Replace the more chip, if it exists, with all of the recipient chips it had 1612 * replaced when the RecipientEditTextView gains focus. 1613 */ 1614 // Visible for testing. 1615 /*package*/ void removeMoreChip() { 1616 if (mMoreChip != null) { 1617 Spannable span = getSpannable(); 1618 span.removeSpan(mMoreChip); 1619 mMoreChip = null; 1620 // Re-add the spans that were removed. 1621 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1622 // Recreate each removed span. 1623 RecipientChip[] recipients = getSortedRecipients(); 1624 // Start the search for tokens after the last currently visible 1625 // chip. 1626 if (recipients == null || recipients.length == 0) { 1627 return; 1628 } 1629 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1630 Editable editable = getText(); 1631 for (RecipientChip chip : mRemovedSpans) { 1632 int chipStart; 1633 int chipEnd; 1634 String token; 1635 // Need to find the location of the chip, again. 1636 token = (String) chip.getOriginalText(); 1637 // As we find the matching recipient for the remove spans, 1638 // reduce the size of the string we need to search. 1639 // That way, if there are duplicates, we always find the correct 1640 // recipient. 1641 chipStart = editable.toString().indexOf(token, end); 1642 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1643 // Only set the span if we found a matching token. 1644 if (chipStart != -1) { 1645 editable.setSpan(chip, chipStart, chipEnd, 1646 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1647 } 1648 } 1649 mRemovedSpans.clear(); 1650 } 1651 } 1652 } 1653 1654 /** 1655 * Show specified chip as selected. If the RecipientChip is just an email address, 1656 * selecting the chip will take the contents of the chip and place it at 1657 * the end of the RecipientEditTextView for inline editing. If the 1658 * RecipientChip is a complete contact, then selecting the chip 1659 * will change the background color of the chip, show the delete icon, 1660 * and a popup window with the address in use highlighted and any other 1661 * alternate addresses for the contact. 1662 * @param currentChip Chip to select. 1663 * @return A RecipientChip in the selected state or null if the chip 1664 * just contained an email address. 1665 */ 1666 private RecipientChip selectChip(RecipientChip currentChip) { 1667 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1668 CharSequence text = currentChip.getValue(); 1669 Editable editable = getText(); 1670 removeChip(currentChip); 1671 editable.append(text); 1672 setCursorVisible(true); 1673 setSelection(editable.length()); 1674 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1675 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1676 int start = getChipStart(currentChip); 1677 int end = getChipEnd(currentChip); 1678 getSpannable().removeSpan(currentChip); 1679 RecipientChip newChip; 1680 try { 1681 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1682 } catch (NullPointerException e) { 1683 Log.e(TAG, e.getMessage(), e); 1684 return null; 1685 } 1686 Editable editable = getText(); 1687 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1688 if (start == -1 || end == -1) { 1689 Log.d(TAG, "The chip being selected no longer exists but should."); 1690 } else { 1691 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1692 } 1693 newChip.setSelected(true); 1694 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1695 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1696 } 1697 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1698 setCursorVisible(false); 1699 return newChip; 1700 } else { 1701 int start = getChipStart(currentChip); 1702 int end = getChipEnd(currentChip); 1703 getSpannable().removeSpan(currentChip); 1704 RecipientChip newChip; 1705 try { 1706 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1707 } catch (NullPointerException e) { 1708 Log.e(TAG, e.getMessage(), e); 1709 return null; 1710 } 1711 Editable editable = getText(); 1712 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1713 if (start == -1 || end == -1) { 1714 Log.d(TAG, "The chip being selected no longer exists but should."); 1715 } else { 1716 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1717 } 1718 newChip.setSelected(true); 1719 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1720 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1721 } 1722 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1723 setCursorVisible(false); 1724 return newChip; 1725 } 1726 } 1727 1728 1729 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1730 int width, Context context) { 1731 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1732 int bottom = calculateOffsetFromBottom(line); 1733 // Align the alternates popup with the left side of the View, 1734 // regardless of the position of the chip tapped. 1735 setEnabled(false); 1736 popup.setWidth(width); 1737 popup.setAnchorView(this); 1738 popup.setVerticalOffset(bottom); 1739 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1740 popup.setOnItemClickListener(new OnItemClickListener() { 1741 @Override 1742 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1743 unselectChip(currentChip); 1744 popup.dismiss(); 1745 } 1746 }); 1747 popup.show(); 1748 ListView listView = popup.getListView(); 1749 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1750 listView.setItemChecked(0, true); 1751 } 1752 1753 /** 1754 * Remove selection from this chip. Unselecting a RecipientChip will render 1755 * the chip without a delete icon and with an unfocused background. This 1756 * is called when the RecipientChip no longer has focus. 1757 */ 1758 private void unselectChip(RecipientChip chip) { 1759 int start = getChipStart(chip); 1760 int end = getChipEnd(chip); 1761 Editable editable = getText(); 1762 mSelectedChip = null; 1763 if (start == -1 || end == -1) { 1764 Log.w(TAG, 1765 "The chip doesn't exist or may be a chip a user was editing"); 1766 setSelection(editable.length()); 1767 commitDefault(); 1768 } else { 1769 getSpannable().removeSpan(chip); 1770 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1771 editable.removeSpan(chip); 1772 try { 1773 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1774 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1775 } catch (NullPointerException e) { 1776 Log.e(TAG, e.getMessage(), e); 1777 } 1778 } 1779 setCursorVisible(true); 1780 setSelection(editable.length()); 1781 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1782 mAlternatesPopup.dismiss(); 1783 } 1784 } 1785 1786 /** 1787 * Return whether a touch event was inside the delete target of 1788 * a selected chip. It is in the delete target if: 1789 * 1) the x and y points of the event are within the 1790 * delete assset. 1791 * 2) the point tapped would have caused a cursor to appear 1792 * right after the selected chip. 1793 * @return boolean 1794 */ 1795 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1796 // Figure out the bounds of this chip and whether or not 1797 // the user clicked in the X portion. 1798 return chip.isSelected() && offset == getChipEnd(chip); 1799 } 1800 1801 /** 1802 * Remove the chip and any text associated with it from the RecipientEditTextView. 1803 */ 1804 // Visible for testing. 1805 /*pacakge*/ void removeChip(RecipientChip chip) { 1806 Spannable spannable = getSpannable(); 1807 int spanStart = spannable.getSpanStart(chip); 1808 int spanEnd = spannable.getSpanEnd(chip); 1809 Editable text = getText(); 1810 int toDelete = spanEnd; 1811 boolean wasSelected = chip == mSelectedChip; 1812 // Clear that there is a selected chip before updating any text. 1813 if (wasSelected) { 1814 mSelectedChip = null; 1815 } 1816 // Always remove trailing spaces when removing a chip. 1817 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1818 toDelete++; 1819 } 1820 spannable.removeSpan(chip); 1821 text.delete(spanStart, toDelete); 1822 if (wasSelected) { 1823 clearSelectedChip(); 1824 } 1825 } 1826 1827 /** 1828 * Replace this currently selected chip with a new chip 1829 * that uses the contact data provided. 1830 */ 1831 // Visible for testing. 1832 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1833 boolean wasSelected = chip == mSelectedChip; 1834 if (wasSelected) { 1835 mSelectedChip = null; 1836 } 1837 int start = getChipStart(chip); 1838 int end = getChipEnd(chip); 1839 getSpannable().removeSpan(chip); 1840 Editable editable = getText(); 1841 CharSequence chipText = createChip(entry, false); 1842 if (chipText != null) { 1843 if (start == -1 || end == -1) { 1844 Log.e(TAG, "The chip to replace does not exist but should."); 1845 editable.insert(0, chipText); 1846 } else { 1847 if (!TextUtils.isEmpty(chipText)) { 1848 // There may be a space to replace with this chip's new 1849 // associated 1850 // space. Check for it 1851 int toReplace = end; 1852 while (toReplace >= 0 && toReplace < editable.length() 1853 && editable.charAt(toReplace) == ' ') { 1854 toReplace++; 1855 } 1856 editable.replace(start, toReplace, chipText); 1857 } 1858 } 1859 } 1860 setCursorVisible(true); 1861 if (wasSelected) { 1862 clearSelectedChip(); 1863 } 1864 } 1865 1866 /** 1867 * Handle click events for a chip. When a selected chip receives a click 1868 * event, see if that event was in the delete icon. If so, delete it. 1869 * Otherwise, unselect the chip. 1870 */ 1871 public void onClick(RecipientChip chip, int offset, float x, float y) { 1872 if (chip.isSelected()) { 1873 if (isInDelete(chip, offset, x, y)) { 1874 removeChip(chip); 1875 } else { 1876 clearSelectedChip(); 1877 } 1878 } 1879 } 1880 1881 private boolean chipsPending() { 1882 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 1883 } 1884 1885 @Override 1886 public void removeTextChangedListener(TextWatcher watcher) { 1887 mTextWatcher = null; 1888 super.removeTextChangedListener(watcher); 1889 } 1890 1891 private class RecipientTextWatcher implements TextWatcher { 1892 @Override 1893 public void afterTextChanged(Editable s) { 1894 // If the text has been set to null or empty, make sure we remove 1895 // all the spans we applied. 1896 if (TextUtils.isEmpty(s)) { 1897 // Remove all the chips spans. 1898 Spannable spannable = getSpannable(); 1899 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 1900 RecipientChip.class); 1901 for (RecipientChip chip : chips) { 1902 spannable.removeSpan(chip); 1903 } 1904 if (mMoreChip != null) { 1905 spannable.removeSpan(mMoreChip); 1906 } 1907 return; 1908 } 1909 // Get whether there are any recipients pending addition to the 1910 // view. If there are, don't do anything in the text watcher. 1911 if (chipsPending()) { 1912 return; 1913 } 1914 // If the user is editing a chip, don't clear it. 1915 if (mSelectedChip != null 1916 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 1917 setCursorVisible(true); 1918 setSelection(getText().length()); 1919 clearSelectedChip(); 1920 } 1921 int length = s.length(); 1922 // Make sure there is content there to parse and that it is 1923 // not just the commit character. 1924 if (length > 1) { 1925 char last; 1926 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 1927 int len = length() - 1; 1928 if (end != len) { 1929 last = s.charAt(end); 1930 } else { 1931 last = s.charAt(len); 1932 } 1933 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 1934 commitByCharacter(); 1935 } else if (last == COMMIT_CHAR_SPACE) { 1936 // Check if this is a valid email address. If it is, 1937 // commit it. 1938 String text = getText().toString(); 1939 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 1940 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 1941 tokenStart)); 1942 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 1943 commitByCharacter(); 1944 } 1945 } 1946 } 1947 } 1948 1949 @Override 1950 public void onTextChanged(CharSequence s, int start, int before, int count) { 1951 // Do nothing. 1952 } 1953 1954 @Override 1955 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 1956 // Do nothing. 1957 } 1958 } 1959 1960 /** 1961 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 1962 */ 1963 private void handlePasteClip(ClipData clip) { 1964 removeTextChangedListener(mTextWatcher); 1965 1966 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 1967 for (int i = 0; i < clip.getItemCount(); i++) { 1968 CharSequence paste = clip.getItemAt(i).getText(); 1969 if (paste != null) { 1970 int start = getSelectionStart(); 1971 int end = getSelectionEnd(); 1972 Editable editable = getText(); 1973 if (start >= 0 && end >= 0 && start != end) { 1974 editable.append(paste, start, end); 1975 } else { 1976 editable.insert(end, paste); 1977 } 1978 handlePasteAndReplace(); 1979 } 1980 } 1981 } 1982 1983 mHandler.post(mAddTextWatcher); 1984 } 1985 1986 @Override 1987 public boolean onTextContextMenuItem(int id) { 1988 if (id == android.R.id.paste) { 1989 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 1990 Context.CLIPBOARD_SERVICE); 1991 handlePasteClip(clipboard.getPrimaryClip()); 1992 return true; 1993 } 1994 return super.onTextContextMenuItem(id); 1995 } 1996 1997 private void handlePasteAndReplace() { 1998 ArrayList<RecipientChip> created = handlePaste(); 1999 if (created != null && created.size() > 0) { 2000 // Perform reverse lookups on the pasted contacts. 2001 IndividualReplacementTask replace = new IndividualReplacementTask(); 2002 replace.execute(created); 2003 } 2004 } 2005 2006 // Visible for testing. 2007 /* package */ArrayList<RecipientChip> handlePaste() { 2008 String text = getText().toString(); 2009 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2010 String lastAddress = text.substring(originalTokenStart); 2011 int tokenStart = originalTokenStart; 2012 int prevTokenStart = tokenStart; 2013 RecipientChip findChip = null; 2014 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2015 if (tokenStart != 0) { 2016 // There are things before this! 2017 while (tokenStart != 0 && findChip == null) { 2018 prevTokenStart = tokenStart; 2019 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2020 findChip = findChip(tokenStart); 2021 } 2022 if (tokenStart != originalTokenStart) { 2023 if (findChip != null) { 2024 tokenStart = prevTokenStart; 2025 } 2026 int tokenEnd; 2027 RecipientChip createdChip; 2028 while (tokenStart < originalTokenStart) { 2029 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2030 commitChip(tokenStart, tokenEnd, getText()); 2031 createdChip = findChip(tokenStart); 2032 // +1 for the space at the end. 2033 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2034 created.add(createdChip); 2035 } 2036 } 2037 } 2038 // Take a look at the last token. If the token has been completed with a 2039 // commit character, create a chip. 2040 if (isCompletedToken(lastAddress)) { 2041 Editable editable = getText(); 2042 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2043 commitChip(tokenStart, editable.length(), editable); 2044 created.add(findChip(tokenStart)); 2045 } 2046 return created; 2047 } 2048 2049 // Visible for testing. 2050 /* package */int movePastTerminators(int tokenEnd) { 2051 if (tokenEnd >= length()) { 2052 return tokenEnd; 2053 } 2054 char atEnd = getText().toString().charAt(tokenEnd); 2055 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2056 tokenEnd++; 2057 } 2058 // This token had not only an end token character, but also a space 2059 // separating it from the next token. 2060 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2061 tokenEnd++; 2062 } 2063 return tokenEnd; 2064 } 2065 2066 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2067 private RecipientChip createFreeChip(RecipientEntry entry) { 2068 try { 2069 return constructChipSpan(entry, -1, false); 2070 } catch (NullPointerException e) { 2071 Log.e(TAG, e.getMessage(), e); 2072 return null; 2073 } 2074 } 2075 2076 @Override 2077 protected Void doInBackground(Void... params) { 2078 if (mIndividualReplacements != null) { 2079 mIndividualReplacements.cancel(true); 2080 } 2081 // For each chip in the list, look up the matching contact. 2082 // If there is a match, replace that chip with the matching 2083 // chip. 2084 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2085 RecipientChip[] existingChips = getSortedRecipients(); 2086 for (int i = 0; i < existingChips.length; i++) { 2087 originalRecipients.add(existingChips[i]); 2088 } 2089 if (mRemovedSpans != null) { 2090 originalRecipients.addAll(mRemovedSpans); 2091 } 2092 String[] addresses = new String[originalRecipients.size()]; 2093 for (int i = 0; i < originalRecipients.size(); i++) { 2094 addresses[i] = createAddressText(originalRecipients.get(i).getEntry()); 2095 } 2096 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2097 .getMatchingRecipients(getContext(), addresses); 2098 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2099 for (final RecipientChip temp : originalRecipients) { 2100 RecipientEntry entry = null; 2101 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2102 && getSpannable().getSpanStart(temp) != -1) { 2103 // Replace this. 2104 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2105 .getDestination()))); 2106 } 2107 if (entry != null) { 2108 replacements.add(createFreeChip(entry)); 2109 } else { 2110 replacements.add(temp); 2111 } 2112 } 2113 if (replacements != null && replacements.size() > 0) { 2114 mHandler.post(new Runnable() { 2115 @Override 2116 public void run() { 2117 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2118 .toString()); 2119 Editable oldText = getText(); 2120 int start, end; 2121 int i = 0; 2122 for (RecipientChip chip : originalRecipients) { 2123 start = oldText.getSpanStart(chip); 2124 if (start != -1) { 2125 end = oldText.getSpanEnd(chip); 2126 oldText.removeSpan(chip); 2127 // Leave a spot for the space! 2128 RecipientChip replacement = replacements.get(i); 2129 text.setSpan(replacement, start, end, 2130 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2131 replacement.setOriginalText(text.toString().substring(start, end)); 2132 } 2133 i++; 2134 } 2135 originalRecipients.clear(); 2136 setText(text); 2137 } 2138 }); 2139 } 2140 return null; 2141 } 2142 } 2143 2144 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2145 @SuppressWarnings("unchecked") 2146 @Override 2147 protected Void doInBackground(Object... params) { 2148 // For each chip in the list, look up the matching contact. 2149 // If there is a match, replace that chip with the matching 2150 // chip. 2151 final ArrayList<RecipientChip> originalRecipients = 2152 (ArrayList<RecipientChip>) params[0]; 2153 String[] addresses = new String[originalRecipients.size()]; 2154 for (int i = 0; i < originalRecipients.size(); i++) { 2155 addresses[i] = createAddressText(originalRecipients.get(i).getEntry()); 2156 } 2157 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2158 .getMatchingRecipients(getContext(), addresses); 2159 for (final RecipientChip temp : originalRecipients) { 2160 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2161 && getSpannable().getSpanStart(temp) != -1) { 2162 // Replace this. 2163 final RecipientEntry entry = createValidatedEntry(entries 2164 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2165 if (entry != null) { 2166 mHandler.post(new Runnable() { 2167 @Override 2168 public void run() { 2169 replaceChip(temp, entry); 2170 } 2171 }); 2172 } 2173 } 2174 } 2175 return null; 2176 } 2177 } 2178 2179 2180 /** 2181 * MoreImageSpan is a simple class created for tracking the existence of a 2182 * more chip across activity restarts/ 2183 */ 2184 private class MoreImageSpan extends ImageSpan { 2185 public MoreImageSpan(Drawable b) { 2186 super(b); 2187 } 2188 } 2189 2190 @Override 2191 public boolean onDown(MotionEvent e) { 2192 return false; 2193 } 2194 2195 @Override 2196 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2197 // Do nothing. 2198 return false; 2199 } 2200 2201 @Override 2202 public void onLongPress(MotionEvent event) { 2203 if (mSelectedChip != null) { 2204 return; 2205 } 2206 float x = event.getX(); 2207 float y = event.getY(); 2208 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2209 RecipientChip currentChip = findChip(offset); 2210 if (currentChip != null) { 2211 if (mDragEnabled) { 2212 // Start drag-and-drop for the selected chip. 2213 startDrag(currentChip); 2214 } else { 2215 // Copy the selected chip email address. 2216 showCopyDialog(currentChip.getEntry().getDestination()); 2217 } 2218 } 2219 } 2220 2221 /** 2222 * Enables drag-and-drop for chips. 2223 */ 2224 public void enableDrag() { 2225 mDragEnabled = true; 2226 } 2227 2228 /** 2229 * Starts drag-and-drop for the selected chip. 2230 */ 2231 private void startDrag(RecipientChip currentChip) { 2232 String address = currentChip.getEntry().getDestination(); 2233 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2234 2235 // Start drag mode. 2236 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2237 2238 // Remove the current chip, so drag-and-drop will result in a move. 2239 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2240 removeChip(currentChip); 2241 } 2242 2243 /** 2244 * Handles drag event. 2245 */ 2246 @Override 2247 public boolean onDragEvent(DragEvent event) { 2248 switch (event.getAction()) { 2249 case DragEvent.ACTION_DRAG_STARTED: 2250 // Only handle plain text drag and drop. 2251 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2252 case DragEvent.ACTION_DRAG_ENTERED: 2253 requestFocus(); 2254 return true; 2255 case DragEvent.ACTION_DROP: 2256 handlePasteClip(event.getClipData()); 2257 return true; 2258 } 2259 return false; 2260 } 2261 2262 /** 2263 * Drag shadow for a {@link RecipientChip}. 2264 */ 2265 private final class RecipientChipShadow extends DragShadowBuilder { 2266 private final RecipientChip mChip; 2267 2268 public RecipientChipShadow(RecipientChip chip) { 2269 mChip = chip; 2270 } 2271 2272 @Override 2273 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2274 Rect rect = mChip.getDrawable().getBounds(); 2275 shadowSize.set(rect.width(), rect.height()); 2276 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2277 } 2278 2279 @Override 2280 public void onDrawShadow(Canvas canvas) { 2281 mChip.getDrawable().draw(canvas); 2282 } 2283 } 2284 2285 private void showCopyDialog(final String address) { 2286 mCopyAddress = address; 2287 mCopyDialog.setTitle(address); 2288 mCopyDialog.setContentView(mCopyViewRes); 2289 mCopyDialog.setCancelable(true); 2290 mCopyDialog.setCanceledOnTouchOutside(true); 2291 mCopyDialog.findViewById(android.R.id.button1).setOnClickListener(this); 2292 mCopyDialog.setOnDismissListener(this); 2293 mCopyDialog.show(); 2294 } 2295 2296 @Override 2297 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2298 // Do nothing. 2299 return false; 2300 } 2301 2302 @Override 2303 public void onShowPress(MotionEvent e) { 2304 // Do nothing. 2305 } 2306 2307 @Override 2308 public boolean onSingleTapUp(MotionEvent e) { 2309 // Do nothing. 2310 return false; 2311 } 2312 2313 @Override 2314 public void onDismiss(DialogInterface dialog) { 2315 mCopyAddress = null; 2316 } 2317 2318 @Override 2319 public void onClick(View v) { 2320 // Copy this to the clipboard. 2321 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2322 Context.CLIPBOARD_SERVICE); 2323 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2324 mCopyDialog.dismiss(); 2325 } 2326} 2327