RecipientEditTextView.java revision b232e5c33e1e2879c7bc8e96a1b9c41c4fa41244
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.BitmapShader; 32import android.graphics.Canvas; 33import android.graphics.Color; 34import android.graphics.Matrix; 35import android.graphics.Paint; 36import android.graphics.Paint.Style; 37import android.graphics.Point; 38import android.graphics.Rect; 39import android.graphics.RectF; 40import android.graphics.Shader.TileMode; 41import android.graphics.drawable.BitmapDrawable; 42import android.graphics.drawable.Drawable; 43import android.os.AsyncTask; 44import android.os.Build; 45import android.os.Handler; 46import android.os.Looper; 47import android.os.Message; 48import android.os.Parcelable; 49import android.text.Editable; 50import android.text.InputType; 51import android.text.Layout; 52import android.text.Spannable; 53import android.text.SpannableString; 54import android.text.SpannableStringBuilder; 55import android.text.Spanned; 56import android.text.TextPaint; 57import android.text.TextUtils; 58import android.text.TextWatcher; 59import android.text.method.QwertyKeyListener; 60import android.text.style.ImageSpan; 61import android.text.util.Rfc822Token; 62import android.text.util.Rfc822Tokenizer; 63import android.util.AttributeSet; 64import android.util.Log; 65import android.util.TypedValue; 66import android.view.ActionMode; 67import android.view.ActionMode.Callback; 68import android.view.DragEvent; 69import android.view.GestureDetector; 70import android.view.KeyEvent; 71import android.view.LayoutInflater; 72import android.view.Menu; 73import android.view.MenuItem; 74import android.view.MotionEvent; 75import android.view.View; 76import android.view.View.OnClickListener; 77import android.view.ViewParent; 78import android.view.inputmethod.EditorInfo; 79import android.view.inputmethod.InputConnection; 80import android.widget.AdapterView; 81import android.widget.AdapterView.OnItemClickListener; 82import android.widget.Button; 83import android.widget.Filterable; 84import android.widget.ListAdapter; 85import android.widget.ListPopupWindow; 86import android.widget.ListView; 87import android.widget.MultiAutoCompleteTextView; 88import android.widget.ScrollView; 89import android.widget.TextView; 90 91import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 92import com.android.ex.chips.recipientchip.DrawableRecipientChip; 93import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 94import com.android.ex.chips.recipientchip.VisibleRecipientChip; 95 96import java.util.ArrayList; 97import java.util.Arrays; 98import java.util.Collections; 99import java.util.Comparator; 100import java.util.List; 101import java.util.Map; 102import java.util.Set; 103import java.util.regex.Matcher; 104import java.util.regex.Pattern; 105 106/** 107 * RecipientEditTextView is an auto complete text view for use with applications 108 * that use the new Chips UI for addressing a message to recipients. 109 */ 110public class RecipientEditTextView extends MultiAutoCompleteTextView implements 111 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 112 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 113 TextView.OnEditorActionListener { 114 115 private static final char COMMIT_CHAR_COMMA = ','; 116 117 private static final char COMMIT_CHAR_SEMICOLON = ';'; 118 119 private static final char COMMIT_CHAR_SPACE = ' '; 120 121 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 122 + String.valueOf(COMMIT_CHAR_SPACE); 123 124 private static final String TAG = "RecipientEditTextView"; 125 126 private static final int DISMISS = "dismiss".hashCode(); 127 128 private static final long DISMISS_DELAY = 300; 129 130 // TODO: get correct number/ algorithm from with UX. 131 // Visible for testing. 132 /*package*/ static final int CHIP_LIMIT = 2; 133 134 private static final int MAX_CHIPS_PARSED = 50; 135 136 private static int sSelectedTextColor = -1; 137 138 // Resources for displaying chips. 139 private Drawable mChipBackground = null; 140 141 private Drawable mChipDelete = null; 142 143 private Drawable mInvalidChipBackground; 144 145 private Drawable mChipBackgroundPressed; 146 147 private float mChipHeight; 148 149 private float mChipFontSize; 150 151 private float mLineSpacingExtra; 152 153 private int mChipPadding; 154 155 /** 156 * Enumerator for avatar position. See attr.xml for more details. 157 * 0 for end, 1 for start. 158 */ 159 private int mAvatarPosition; 160 161 private static final int AVATAR_POSITION_END = 0; 162 163 private static final int AVATAR_POSITION_START = 1; 164 165 /** 166 * Enumerator for image span alignment. See attr.xml for more details. 167 * 0 for bottom, 1 for baseline. 168 */ 169 private int mImageSpanAlignment; 170 171 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 172 173 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 174 175 176 private boolean mDisableDelete; 177 178 private Tokenizer mTokenizer; 179 180 private Validator mValidator; 181 182 private DrawableRecipientChip mSelectedChip; 183 184 private Bitmap mDefaultContactPhoto; 185 186 private ImageSpan mMoreChip; 187 188 private TextView mMoreItem; 189 190 // VisibleForTesting 191 final ArrayList<String> mPendingChips = new ArrayList<String>(); 192 193 private Handler mHandler; 194 195 private int mPendingChipsCount = 0; 196 197 private boolean mNoChips = false; 198 199 private ListPopupWindow mAlternatesPopup; 200 201 private ListPopupWindow mAddressPopup; 202 203 // VisibleForTesting 204 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 205 206 private ArrayList<DrawableRecipientChip> mRemovedSpans; 207 208 private boolean mShouldShrink = true; 209 210 // Chip copy fields. 211 private GestureDetector mGestureDetector; 212 213 private Dialog mCopyDialog; 214 215 private String mCopyAddress; 216 217 /** 218 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 219 * selected chip. 220 */ 221 private OnItemClickListener mAlternatesListener; 222 223 private int mCheckedItem; 224 225 private TextWatcher mTextWatcher; 226 227 // Obtain the enclosing scroll view, if it exists, so that the view can be 228 // scrolled to show the last line of chips content. 229 private ScrollView mScrollView; 230 231 private boolean mTriedGettingScrollView; 232 233 private boolean mDragEnabled = false; 234 235 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 236 // parens, so numbers such as "1 (425) 222-2342" match. 237 private static final Pattern PHONE_PATTERN 238 = Pattern.compile( // sdd = space, dot, or dash 239 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 240 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 241 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 242 243 private final Runnable mAddTextWatcher = new Runnable() { 244 @Override 245 public void run() { 246 if (mTextWatcher == null) { 247 mTextWatcher = new RecipientTextWatcher(); 248 addTextChangedListener(mTextWatcher); 249 } 250 } 251 }; 252 253 private IndividualReplacementTask mIndividualReplacements; 254 255 private Runnable mHandlePendingChips = new Runnable() { 256 257 @Override 258 public void run() { 259 handlePendingChips(); 260 } 261 262 }; 263 264 private Runnable mDelayedShrink = new Runnable() { 265 266 @Override 267 public void run() { 268 shrink(); 269 } 270 271 }; 272 273 private int mMaxLines; 274 275 private static int sExcessTopPadding = -1; 276 277 private int mActionBarHeight; 278 279 private boolean mAttachedToWindow; 280 281 private DropdownChipLayouter mDropdownChipLayouter; 282 283 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 284 285 public interface RecipientEntryItemClickedListener { 286 /** 287 * Callback that occurs whenever an auto-complete suggestion is clicked. 288 * @param charactersTyped the number of characters typed by the user to provide the 289 * auto-complete suggestions. 290 * @param position the position in the dropdown list that the user clicked 291 */ 292 void onRecipientEntryItemClicked(int charactersTyped, int position); 293 } 294 295 public RecipientEditTextView(Context context, AttributeSet attrs) { 296 super(context, attrs); 297 setChipDimensions(context, attrs); 298 if (sSelectedTextColor == -1) { 299 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 300 } 301 mAlternatesPopup = new ListPopupWindow(context); 302 mAddressPopup = new ListPopupWindow(context); 303 mCopyDialog = new Dialog(context); 304 mAlternatesListener = new OnItemClickListener() { 305 @Override 306 public void onItemClick(AdapterView<?> adapterView,View view, int position, 307 long rowId) { 308 mAlternatesPopup.setOnItemClickListener(null); 309 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 310 .getRecipientEntry(position)); 311 Message delayed = Message.obtain(mHandler, DISMISS); 312 delayed.obj = mAlternatesPopup; 313 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 314 clearComposingText(); 315 } 316 }; 317 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 318 setOnItemClickListener(this); 319 setCustomSelectionActionModeCallback(this); 320 mHandler = new Handler() { 321 @Override 322 public void handleMessage(Message msg) { 323 if (msg.what == DISMISS) { 324 ((ListPopupWindow) msg.obj).dismiss(); 325 return; 326 } 327 super.handleMessage(msg); 328 } 329 }; 330 mTextWatcher = new RecipientTextWatcher(); 331 addTextChangedListener(mTextWatcher); 332 mGestureDetector = new GestureDetector(context, this); 333 setOnEditorActionListener(this); 334 335 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 336 } 337 338 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 339 mDropdownChipLayouter = dropdownChipLayouter; 340 } 341 342 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 343 mRecipientEntryItemClickedListener = listener; 344 } 345 346 @Override 347 protected void onDetachedFromWindow() { 348 super.onDetachedFromWindow(); 349 mAttachedToWindow = false; 350 } 351 352 @Override 353 protected void onAttachedToWindow() { 354 super.onAttachedToWindow(); 355 mAttachedToWindow = true; 356 } 357 358 @Override 359 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 360 if (action == EditorInfo.IME_ACTION_DONE) { 361 if (commitDefault()) { 362 return true; 363 } 364 if (mSelectedChip != null) { 365 clearSelectedChip(); 366 return true; 367 } else if (focusNext()) { 368 return true; 369 } 370 } 371 return false; 372 } 373 374 @Override 375 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 376 InputConnection connection = super.onCreateInputConnection(outAttrs); 377 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 378 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 379 // clear the existing action 380 outAttrs.imeOptions ^= imeActions; 381 // set the DONE action 382 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 383 } 384 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 385 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 386 } 387 388 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 389 outAttrs.actionLabel = getContext().getString(R.string.done); 390 return connection; 391 } 392 393 /*package*/ DrawableRecipientChip getLastChip() { 394 DrawableRecipientChip last = null; 395 DrawableRecipientChip[] chips = getSortedRecipients(); 396 if (chips != null && chips.length > 0) { 397 last = chips[chips.length - 1]; 398 } 399 return last; 400 } 401 402 /** 403 * @return The list of {@link RecipientEntry}s that have been selected by the user. 404 */ 405 public List<RecipientEntry> getSelectedRecipients() { 406 DrawableRecipientChip[] chips = 407 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 408 List<RecipientEntry> results = new ArrayList(); 409 if (chips == null) { 410 return results; 411 } 412 413 for (DrawableRecipientChip c : chips) { 414 results.add(c.getEntry()); 415 } 416 417 return results; 418 } 419 420 @Override 421 public void onSelectionChanged(int start, int end) { 422 // When selection changes, see if it is inside the chips area. 423 // If so, move the cursor back after the chips again. 424 DrawableRecipientChip last = getLastChip(); 425 if (last != null && start < getSpannable().getSpanEnd(last)) { 426 // Grab the last chip and set the cursor to after it. 427 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 428 } 429 super.onSelectionChanged(start, end); 430 } 431 432 @Override 433 public void onRestoreInstanceState(Parcelable state) { 434 if (!TextUtils.isEmpty(getText())) { 435 super.onRestoreInstanceState(null); 436 } else { 437 super.onRestoreInstanceState(state); 438 } 439 } 440 441 @Override 442 public Parcelable onSaveInstanceState() { 443 // If the user changes orientation while they are editing, just roll back the selection. 444 clearSelectedChip(); 445 return super.onSaveInstanceState(); 446 } 447 448 /** 449 * Convenience method: Append the specified text slice to the TextView's 450 * display buffer, upgrading it to BufferType.EDITABLE if it was 451 * not already editable. Commas are excluded as they are added automatically 452 * by the view. 453 */ 454 @Override 455 public void append(CharSequence text, int start, int end) { 456 // We don't care about watching text changes while appending. 457 if (mTextWatcher != null) { 458 removeTextChangedListener(mTextWatcher); 459 } 460 super.append(text, start, end); 461 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 462 String displayString = text.toString(); 463 464 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 465 // We have no separator, so we should add it 466 super.append(SEPARATOR, 0, SEPARATOR.length()); 467 displayString += SEPARATOR; 468 } 469 470 if (!TextUtils.isEmpty(displayString) 471 && TextUtils.getTrimmedLength(displayString) > 0) { 472 mPendingChipsCount++; 473 mPendingChips.add(displayString); 474 } 475 } 476 // Put a message on the queue to make sure we ALWAYS handle pending 477 // chips. 478 if (mPendingChipsCount > 0) { 479 postHandlePendingChips(); 480 } 481 mHandler.post(mAddTextWatcher); 482 } 483 484 @Override 485 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 486 super.onFocusChanged(hasFocus, direction, previous); 487 if (!hasFocus) { 488 shrink(); 489 } else { 490 expand(); 491 } 492 } 493 494 private int getExcessTopPadding() { 495 if (sExcessTopPadding == -1) { 496 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 497 } 498 return sExcessTopPadding; 499 } 500 501 @Override 502 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 503 super.setAdapter(adapter); 504 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 505 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 506 @Override 507 public void onChanged(List<RecipientEntry> entries) { 508 // Scroll the chips field to the top of the screen so 509 // that the user can see as many results as possible. 510 if (entries != null && entries.size() > 0) { 511 scrollBottomIntoView(); 512 } 513 } 514 }); 515 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 516 } 517 518 protected void scrollBottomIntoView() { 519 if (mScrollView != null && mShouldShrink) { 520 int[] location = new int[2]; 521 getLocationOnScreen(location); 522 int height = getHeight(); 523 int currentPos = location[1] + height; 524 // Desired position shows at least 1 line of chips below the action 525 // bar. We add excess padding to make sure this is always below other 526 // content. 527 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 528 if (currentPos > desiredPos) { 529 mScrollView.scrollBy(0, currentPos - desiredPos); 530 } 531 } 532 } 533 534 protected ScrollView getScrollView() { 535 return mScrollView; 536 } 537 538 @Override 539 public void performValidation() { 540 // Do nothing. Chips handles its own validation. 541 } 542 543 private void shrink() { 544 if (mTokenizer == null) { 545 return; 546 } 547 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 548 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 549 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 550 clearSelectedChip(); 551 } else { 552 if (getWidth() <= 0) { 553 // We don't have the width yet which means the view hasn't been drawn yet 554 // and there is no reason to attempt to commit chips yet. 555 // This focus lost must be the result of an orientation change 556 // or an initial rendering. 557 // Re-post the shrink for later. 558 mHandler.removeCallbacks(mDelayedShrink); 559 mHandler.post(mDelayedShrink); 560 return; 561 } 562 // Reset any pending chips as they would have been handled 563 // when the field lost focus. 564 if (mPendingChipsCount > 0) { 565 postHandlePendingChips(); 566 } else { 567 Editable editable = getText(); 568 int end = getSelectionEnd(); 569 int start = mTokenizer.findTokenStart(editable, end); 570 DrawableRecipientChip[] chips = 571 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 572 if ((chips == null || chips.length == 0)) { 573 Editable text = getText(); 574 int whatEnd = mTokenizer.findTokenEnd(text, start); 575 // This token was already tokenized, so skip past the ending token. 576 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 577 whatEnd = movePastTerminators(whatEnd); 578 } 579 // In the middle of chip; treat this as an edit 580 // and commit the whole token. 581 int selEnd = getSelectionEnd(); 582 if (whatEnd != selEnd) { 583 handleEdit(start, whatEnd); 584 } else { 585 commitChip(start, end, editable); 586 } 587 } 588 } 589 mHandler.post(mAddTextWatcher); 590 } 591 createMoreChip(); 592 } 593 594 private void expand() { 595 if (mShouldShrink) { 596 setMaxLines(Integer.MAX_VALUE); 597 } 598 removeMoreChip(); 599 setCursorVisible(true); 600 Editable text = getText(); 601 setSelection(text != null && text.length() > 0 ? text.length() : 0); 602 // If there are any temporary chips, try replacing them now that the user 603 // has expanded the field. 604 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 605 new RecipientReplacementTask().execute(); 606 mTemporaryRecipients = null; 607 } 608 } 609 610 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 611 paint.setTextSize(mChipFontSize); 612 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 613 Log.d(TAG, "Max width is negative: " + maxWidth); 614 } 615 return TextUtils.ellipsize(text, paint, maxWidth, 616 TextUtils.TruncateAt.END); 617 } 618 619 /** 620 * Creates a bitmap of the given contact on a selected chip. 621 * 622 * @param contact The recipient entry to pull data from. 623 * @param paint The paint to use to draw the bitmap. 624 */ 625 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 626 paint.setColor(sSelectedTextColor); 627 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 628 mChipBackgroundPressed); 629 630 if (bitmapContainer.loadIcon) { 631 if (mDisableDelete) { 632 // Show the avatar instead if we don't want to delete 633 loadAvatarIcon(contact, bitmapContainer, paint); 634 } else { 635 drawIcon(bitmapContainer, ((BitmapDrawable) mChipDelete).getBitmap(), paint); 636 } 637 } 638 639 return bitmapContainer.bitmap; 640 } 641 642 /** 643 * Creates a bitmap of the given contact on a selected chip. 644 * 645 * @param contact The recipient entry to pull data from. 646 * @param paint The paint to use to draw the bitmap. 647 */ 648 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 649 Drawable background = getChipBackground(contact); 650 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 651 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, background); 652 653 if (bitmapContainer.loadIcon) { 654 loadAvatarIcon(contact, bitmapContainer, paint); 655 } 656 return bitmapContainer.bitmap; 657 } 658 659 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 660 Drawable background) { 661 final ChipBitmapContainer result = new ChipBitmapContainer(); 662 663 if (background == null) { 664 Log.w(TAG, "Unable to draw a background for the chip as it was never set"); 665 result.bitmap = Bitmap.createBitmap( 666 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 667 result.loadIcon = false; 668 return result; 669 } 670 671 Rect backgroundPadding = new Rect(); 672 background.getPadding(backgroundPadding); 673 674 // Ellipsize the text so that it takes AT MOST the entire width of the 675 // autocomplete text entry area. Make sure to leave space for padding 676 // on the sides. 677 int height = (int) mChipHeight; 678 // Since the icon is a square, it's width is equal to the maximum height it can be inside 679 // the chip. 680 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 681 float[] widths = new float[1]; 682 paint.getTextWidths(" ", widths); 683 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 684 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 685 - backgroundPadding.right);; 686 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 687 688 // Make sure there is a minimum chip width so the user can ALWAYS 689 // tap a chip without difficulty. 690 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 691 + backgroundPadding.left + backgroundPadding.right); 692 693 // Create the background of the chip. 694 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 695 final Canvas canvas = new Canvas(result.bitmap); 696 697 // Draw the background drawable 698 background.setBounds(0, 0, width, height); 699 background.draw(canvas); 700 // Draw the text vertically aligned 701 int textX = shouldPositionAvatarOnRight() ? 702 mChipPadding + backgroundPadding.left : 703 width - backgroundPadding.right - mChipPadding - textWidth; 704 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 705 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 706 707 // Set the variables that are needed to draw the icon bitmap once it's loaded 708 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 709 backgroundPadding.left; 710 result.left = iconX; 711 result.top = backgroundPadding.top; 712 result.right = iconX + iconWidth; 713 result.bottom = height - backgroundPadding.bottom; 714 715 return result; 716 } 717 718 /** 719 * Helper function that draws the loaded icon bitmap into the chips bitmap 720 */ 721 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon, Paint paint) { 722 final Canvas canvas = new Canvas(bitMapResult.bitmap); 723 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 724 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 725 bitMapResult.bottom); 726 drawIconOnCanvas(icon, canvas, paint, src, dst); 727 } 728 729 /** 730 * Returns true if the avatar should be positioned at the right edge of the chip. 731 * Takes into account both the set avatar position (start or end) as well as whether 732 * the layout direction is LTR or RTL. 733 */ 734 private boolean shouldPositionAvatarOnRight() { 735 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 736 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 737 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 738 // If in Rtl mode, the position should be flipped. 739 return isRtl ? !assignedPosition : assignedPosition; 740 } 741 742 /** 743 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 744 * draw an icon for this recipient. 745 */ 746 private void loadAvatarIcon(final RecipientEntry contact, 747 final ChipBitmapContainer bitmapContainer, final Paint paint) { 748 // Don't draw photos for recipients that have been typed in OR generated on the fly. 749 long contactId = contact.getContactId(); 750 boolean drawPhotos = isPhoneQuery() ? 751 contactId != RecipientEntry.INVALID_CONTACT 752 : (contactId != RecipientEntry.INVALID_CONTACT 753 && (contactId != RecipientEntry.GENERATED_CONTACT && 754 !TextUtils.isEmpty(contact.getDisplayName()))); 755 756 if (drawPhotos) { 757 final byte[] origPhotoBytes = contact.getPhotoBytes(); 758 // There may not be a photo yet if anything but the first contact address 759 // was selected. 760 if (origPhotoBytes == null) { 761 // TODO: cache this in the recipient entry? 762 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 763 @Override 764 public void onPhotoBytesPopulated() { 765 // Call through to the async version which will ensure 766 // proper threading. 767 onPhotoBytesAsynchronouslyPopulated(); 768 } 769 770 @Override 771 public void onPhotoBytesAsynchronouslyPopulated() { 772 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 773 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 774 loadedPhotoBytes.length); 775 tryDrawAndInvalidate(icon); 776 } 777 778 @Override 779 public void onPhotoBytesAsyncLoadFailed() { 780 // TODO: can the scaled down default photo be cached? 781 tryDrawAndInvalidate(mDefaultContactPhoto); 782 } 783 784 private void tryDrawAndInvalidate(Bitmap icon) { 785 drawIcon(bitmapContainer, icon, paint); 786 // The caller might originated from a background task. However, if the 787 // background task has already completed, the view might be already drawn 788 // on the UI but the callback would happen on the background thread. 789 // So if we are on a background thread, post an invalidate call to the UI. 790 if (Looper.myLooper() == Looper.getMainLooper()) { 791 // The view might not redraw itself since it's loaded asynchronously 792 invalidate(); 793 } else { 794 post(new Runnable() { 795 @Override 796 public void run() { 797 invalidate(); 798 } 799 }); 800 } 801 } 802 }); 803 } else { 804 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 805 origPhotoBytes.length); 806 drawIcon(bitmapContainer, icon, paint); 807 } 808 } 809 } 810 811 /** 812 * Get the background drawable for a RecipientChip. 813 */ 814 // Visible for testing. 815 /* package */Drawable getChipBackground(RecipientEntry contact) { 816 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 817 } 818 819 /** 820 * Given a height, returns a Y offset that will draw the text in the middle of the height. 821 */ 822 protected float getTextYOffset(String text, TextPaint paint, int height) { 823 Rect bounds = new Rect(); 824 paint.getTextBounds(text, 0, text.length(), bounds); 825 int textHeight = bounds.bottom - bounds.top ; 826 return height - ((height - textHeight) / 2) - (int)paint.descent(); 827 } 828 829 /** 830 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 831 * rectangle of the canvas. 832 */ 833 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 834 final Matrix matrix = new Matrix(); 835 836 // Draw bitmap through shader first. 837 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 838 matrix.reset(); 839 840 // Fit bitmap to bounds. 841 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 842 843 shader.setLocalMatrix(matrix); 844 paint.reset(); 845 paint.setShader(shader); 846 paint.setAntiAlias(true); 847 paint.setFilterBitmap(true); 848 paint.setDither(true); 849 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, paint); 850 851 // Then draw the border. 852 final float borderWidth = 1f; 853 paint.reset(); 854 paint.setColor(Color.TRANSPARENT); 855 paint.setStyle(Style.STROKE); 856 paint.setStrokeWidth(borderWidth); 857 paint.setAntiAlias(true); 858 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, paint); 859 860 paint.reset(); 861 } 862 863 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 864 throws NullPointerException { 865 if (mChipBackground == null) { 866 throw new NullPointerException( 867 "Unable to render any chips as setChipDimensions was not called."); 868 } 869 870 TextPaint paint = getPaint(); 871 float defaultSize = paint.getTextSize(); 872 int defaultColor = paint.getColor(); 873 874 Bitmap tmpBitmap; 875 if (pressed) { 876 tmpBitmap = createSelectedChip(contact, paint); 877 878 } else { 879 tmpBitmap = createUnselectedChip(contact, paint); 880 } 881 882 // Pass the full text, un-ellipsized, to the chip. 883 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 884 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 885 DrawableRecipientChip recipientChip = 886 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 887 // Return text to the original size. 888 paint.setTextSize(defaultSize); 889 paint.setColor(defaultColor); 890 return recipientChip; 891 } 892 893 private int getImageSpanAlignment() { 894 switch (mImageSpanAlignment) { 895 case IMAGE_SPAN_ALIGNMENT_BASELINE: 896 return ImageSpan.ALIGN_BASELINE; 897 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 898 return ImageSpan.ALIGN_BOTTOM; 899 default: 900 return ImageSpan.ALIGN_BOTTOM; 901 } 902 } 903 904 /** 905 * Calculate the bottom of the line the chip will be located on using: 906 * 1) which line the chip appears on 907 * 2) the height of a chip 908 * 3) padding built into the edit text view 909 */ 910 private int calculateOffsetFromBottom(int line) { 911 // Line offsets start at zero. 912 int actualLine = getLineCount() - (line + 1); 913 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 914 + getDropDownVerticalOffset(); 915 } 916 917 /** 918 * Get the max amount of space a chip can take up. The formula takes into 919 * account the width of the EditTextView, any view padding, and padding 920 * that will be added to the chip. 921 */ 922 private float calculateAvailableWidth() { 923 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 924 } 925 926 927 private void setChipDimensions(Context context, AttributeSet attrs) { 928 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 929 0); 930 Resources r = getContext().getResources(); 931 932 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 933 if (mChipBackground == null) { 934 mChipBackground = r.getDrawable(R.drawable.chip_background); 935 } 936 mChipBackgroundPressed = a 937 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 938 if (mChipBackgroundPressed == null) { 939 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 940 } 941 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 942 if (mChipDelete == null) { 943 mChipDelete = r.getDrawable(R.drawable.chip_delete); 944 } 945 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 946 if (mChipPadding == -1) { 947 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 948 } 949 950 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 951 952 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 953 954 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 955 if (mChipHeight == -1) { 956 mChipHeight = r.getDimension(R.dimen.chip_height); 957 } 958 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 959 if (mChipFontSize == -1) { 960 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 961 } 962 mInvalidChipBackground = a 963 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 964 if (mInvalidChipBackground == null) { 965 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 966 } 967 mAvatarPosition = 968 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 969 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 970 IMAGE_SPAN_ALIGNMENT_BASELINE); 971 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 972 973 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 974 mMaxLines = r.getInteger(R.integer.chips_max_lines); 975 TypedValue tv = new TypedValue(); 976 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 977 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 978 .getDisplayMetrics()); 979 } 980 981 a.recycle(); 982 } 983 984 // Visible for testing. 985 /* package */ void setMoreItem(TextView moreItem) { 986 mMoreItem = moreItem; 987 } 988 989 990 // Visible for testing. 991 /* package */ void setChipBackground(Drawable chipBackground) { 992 mChipBackground = chipBackground; 993 } 994 995 // Visible for testing. 996 /* package */ void setChipHeight(int height) { 997 mChipHeight = height; 998 } 999 1000 public float getChipHeight() { 1001 return mChipHeight; 1002 } 1003 1004 /** 1005 * Set whether to shrink the recipients field such that at most 1006 * one line of recipients chips are shown when the field loses 1007 * focus. By default, the number of displayed recipients will be 1008 * limited and a "more" chip will be shown when focus is lost. 1009 * @param shrink 1010 */ 1011 public void setOnFocusListShrinkRecipients(boolean shrink) { 1012 mShouldShrink = shrink; 1013 } 1014 1015 @Override 1016 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1017 super.onSizeChanged(width, height, oldw, oldh); 1018 if (width != 0 && height != 0) { 1019 if (mPendingChipsCount > 0) { 1020 postHandlePendingChips(); 1021 } else { 1022 checkChipWidths(); 1023 } 1024 } 1025 // Try to find the scroll view parent, if it exists. 1026 if (mScrollView == null && !mTriedGettingScrollView) { 1027 ViewParent parent = getParent(); 1028 while (parent != null && !(parent instanceof ScrollView)) { 1029 parent = parent.getParent(); 1030 } 1031 if (parent != null) { 1032 mScrollView = (ScrollView) parent; 1033 } 1034 mTriedGettingScrollView = true; 1035 } 1036 } 1037 1038 private void postHandlePendingChips() { 1039 mHandler.removeCallbacks(mHandlePendingChips); 1040 mHandler.post(mHandlePendingChips); 1041 } 1042 1043 private void checkChipWidths() { 1044 // Check the widths of the associated chips. 1045 DrawableRecipientChip[] chips = getSortedRecipients(); 1046 if (chips != null) { 1047 Rect bounds; 1048 for (DrawableRecipientChip chip : chips) { 1049 bounds = chip.getBounds(); 1050 if (getWidth() > 0 && bounds.right - bounds.left > 1051 getWidth() - getPaddingLeft() - getPaddingRight()) { 1052 // Need to redraw that chip. 1053 replaceChip(chip, chip.getEntry()); 1054 } 1055 } 1056 } 1057 } 1058 1059 // Visible for testing. 1060 /*package*/ void handlePendingChips() { 1061 if (getViewWidth() <= 0) { 1062 // The widget has not been sized yet. 1063 // This will be called as a result of onSizeChanged 1064 // at a later point. 1065 return; 1066 } 1067 if (mPendingChipsCount <= 0) { 1068 return; 1069 } 1070 1071 synchronized (mPendingChips) { 1072 Editable editable = getText(); 1073 // Tokenize! 1074 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1075 for (int i = 0; i < mPendingChips.size(); i++) { 1076 String current = mPendingChips.get(i); 1077 int tokenStart = editable.toString().indexOf(current); 1078 // Always leave a space at the end between tokens. 1079 int tokenEnd = tokenStart + current.length() - 1; 1080 if (tokenStart >= 0) { 1081 // When we have a valid token, include it with the token 1082 // to the left. 1083 if (tokenEnd < editable.length() - 2 1084 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1085 tokenEnd++; 1086 } 1087 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1088 || !mShouldShrink); 1089 } 1090 mPendingChipsCount--; 1091 } 1092 sanitizeEnd(); 1093 } else { 1094 mNoChips = true; 1095 } 1096 1097 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1098 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1099 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1100 new RecipientReplacementTask().execute(); 1101 mTemporaryRecipients = null; 1102 } else { 1103 // Create the "more" chip 1104 mIndividualReplacements = new IndividualReplacementTask(); 1105 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1106 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1107 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1108 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1109 mTemporaryRecipients.subList(CHIP_LIMIT, 1110 mTemporaryRecipients.size())); 1111 } else { 1112 mTemporaryRecipients = null; 1113 } 1114 createMoreChip(); 1115 } 1116 } else { 1117 // There are too many recipients to look up, so just fall back 1118 // to showing addresses for all of them. 1119 mTemporaryRecipients = null; 1120 createMoreChip(); 1121 } 1122 mPendingChipsCount = 0; 1123 mPendingChips.clear(); 1124 } 1125 } 1126 1127 // Visible for testing. 1128 /*package*/ int getViewWidth() { 1129 return getWidth(); 1130 } 1131 1132 /** 1133 * Remove any characters after the last valid chip. 1134 */ 1135 // Visible for testing. 1136 /*package*/ void sanitizeEnd() { 1137 // Don't sanitize while we are waiting for pending chips to complete. 1138 if (mPendingChipsCount > 0) { 1139 return; 1140 } 1141 // Find the last chip; eliminate any commit characters after it. 1142 DrawableRecipientChip[] chips = getSortedRecipients(); 1143 Spannable spannable = getSpannable(); 1144 if (chips != null && chips.length > 0) { 1145 int end; 1146 mMoreChip = getMoreChip(); 1147 if (mMoreChip != null) { 1148 end = spannable.getSpanEnd(mMoreChip); 1149 } else { 1150 end = getSpannable().getSpanEnd(getLastChip()); 1151 } 1152 Editable editable = getText(); 1153 int length = editable.length(); 1154 if (length > end) { 1155 // See what characters occur after that and eliminate them. 1156 if (Log.isLoggable(TAG, Log.DEBUG)) { 1157 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1158 + editable); 1159 } 1160 editable.delete(end + 1, length); 1161 } 1162 } 1163 } 1164 1165 /** 1166 * Create a chip that represents just the email address of a recipient. At some later 1167 * point, this chip will be attached to a real contact entry, if one exists. 1168 */ 1169 // VisibleForTesting 1170 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1171 boolean visible) { 1172 if (alreadyHasChip(tokenStart, tokenEnd)) { 1173 // There is already a chip present at this location. 1174 // Don't recreate it. 1175 return; 1176 } 1177 String token = editable.toString().substring(tokenStart, tokenEnd); 1178 final String trimmedToken = token.trim(); 1179 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1180 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1181 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1182 } 1183 RecipientEntry entry = createTokenizedEntry(token); 1184 if (entry != null) { 1185 DrawableRecipientChip chip = null; 1186 try { 1187 if (!mNoChips) { 1188 chip = visible ? 1189 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1190 } 1191 } catch (NullPointerException e) { 1192 Log.e(TAG, e.getMessage(), e); 1193 } 1194 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1195 // Add this chip to the list of entries "to replace" 1196 if (chip != null) { 1197 if (mTemporaryRecipients == null) { 1198 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1199 } 1200 chip.setOriginalText(token); 1201 mTemporaryRecipients.add(chip); 1202 } 1203 } 1204 } 1205 1206 private static boolean isPhoneNumber(String number) { 1207 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1208 // PhoneNumberUtil). One complication is that it requires the sender's region which 1209 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1210 if (TextUtils.isEmpty(number)) { 1211 return false; 1212 } 1213 1214 Matcher match = PHONE_PATTERN.matcher(number); 1215 return match.matches(); 1216 } 1217 1218 // VisibleForTesting 1219 RecipientEntry createTokenizedEntry(final String token) { 1220 if (TextUtils.isEmpty(token)) { 1221 return null; 1222 } 1223 if (isPhoneQuery() && isPhoneNumber(token)) { 1224 return RecipientEntry.constructFakePhoneEntry(token, true); 1225 } 1226 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1227 String display = null; 1228 boolean isValid = isValid(token); 1229 if (isValid && tokens != null && tokens.length > 0) { 1230 // If we can get a name from tokenizing, then generate an entry from 1231 // this. 1232 display = tokens[0].getName(); 1233 if (!TextUtils.isEmpty(display)) { 1234 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1235 isValid); 1236 } else { 1237 display = tokens[0].getAddress(); 1238 if (!TextUtils.isEmpty(display)) { 1239 return RecipientEntry.constructFakeEntry(display, isValid); 1240 } 1241 } 1242 } 1243 // Unable to validate the token or to create a valid token from it. 1244 // Just create a chip the user can edit. 1245 String validatedToken = null; 1246 if (mValidator != null && !isValid) { 1247 // Try fixing up the entry using the validator. 1248 validatedToken = mValidator.fixText(token).toString(); 1249 if (!TextUtils.isEmpty(validatedToken)) { 1250 if (validatedToken.contains(token)) { 1251 // protect against the case of a validator with a null 1252 // domain, 1253 // which doesn't add a domain to the token 1254 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1255 if (tokenized.length > 0) { 1256 validatedToken = tokenized[0].getAddress(); 1257 isValid = true; 1258 } 1259 } else { 1260 // We ran into a case where the token was invalid and 1261 // removed 1262 // by the validator. In this case, just use the original 1263 // token 1264 // and let the user sort out the error chip. 1265 validatedToken = null; 1266 isValid = false; 1267 } 1268 } 1269 } 1270 // Otherwise, fallback to just creating an editable email address chip. 1271 return RecipientEntry.constructFakeEntry( 1272 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1273 } 1274 1275 private boolean isValid(String text) { 1276 return mValidator == null ? true : mValidator.isValid(text); 1277 } 1278 1279 private static String tokenizeAddress(String destination) { 1280 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1281 if (tokens != null && tokens.length > 0) { 1282 return tokens[0].getAddress(); 1283 } 1284 return destination; 1285 } 1286 1287 @Override 1288 public void setTokenizer(Tokenizer tokenizer) { 1289 mTokenizer = tokenizer; 1290 super.setTokenizer(mTokenizer); 1291 } 1292 1293 @Override 1294 public void setValidator(Validator validator) { 1295 mValidator = validator; 1296 super.setValidator(validator); 1297 } 1298 1299 /** 1300 * We cannot use the default mechanism for replaceText. Instead, 1301 * we override onItemClickListener so we can get all the associated 1302 * contact information including display text, address, and id. 1303 */ 1304 @Override 1305 protected void replaceText(CharSequence text) { 1306 return; 1307 } 1308 1309 /** 1310 * Dismiss any selected chips when the back key is pressed. 1311 */ 1312 @Override 1313 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1314 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1315 clearSelectedChip(); 1316 return true; 1317 } 1318 return super.onKeyPreIme(keyCode, event); 1319 } 1320 1321 /** 1322 * Monitor key presses in this view to see if the user types 1323 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1324 * If the user has entered text that has contact matches and types 1325 * a commit key, create a chip from the topmost matching contact. 1326 * If the user has entered text that has no contact matches and types 1327 * a commit key, then create a chip from the text they have entered. 1328 */ 1329 @Override 1330 public boolean onKeyUp(int keyCode, KeyEvent event) { 1331 switch (keyCode) { 1332 case KeyEvent.KEYCODE_TAB: 1333 if (event.hasNoModifiers()) { 1334 if (mSelectedChip != null) { 1335 clearSelectedChip(); 1336 } else { 1337 commitDefault(); 1338 } 1339 } 1340 break; 1341 } 1342 return super.onKeyUp(keyCode, event); 1343 } 1344 1345 private boolean focusNext() { 1346 View next = focusSearch(View.FOCUS_DOWN); 1347 if (next != null) { 1348 next.requestFocus(); 1349 return true; 1350 } 1351 return false; 1352 } 1353 1354 /** 1355 * Create a chip from the default selection. If the popup is showing, the 1356 * default is the selected item (if one is selected), or the first item, in the popup 1357 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1358 * tokenizer should search for a token to turn into a chip. 1359 * @return If a chip was created from a real contact. 1360 */ 1361 private boolean commitDefault() { 1362 // If there is no tokenizer, don't try to commit. 1363 if (mTokenizer == null) { 1364 return false; 1365 } 1366 Editable editable = getText(); 1367 int end = getSelectionEnd(); 1368 int start = mTokenizer.findTokenStart(editable, end); 1369 1370 if (shouldCreateChip(start, end)) { 1371 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1372 // In the middle of chip; treat this as an edit 1373 // and commit the whole token. 1374 whatEnd = movePastTerminators(whatEnd); 1375 if (whatEnd != getSelectionEnd()) { 1376 handleEdit(start, whatEnd); 1377 return true; 1378 } 1379 return commitChip(start, end , editable); 1380 } 1381 return false; 1382 } 1383 1384 private void commitByCharacter() { 1385 // We can't possibly commit by character if we can't tokenize. 1386 if (mTokenizer == null) { 1387 return; 1388 } 1389 Editable editable = getText(); 1390 int end = getSelectionEnd(); 1391 int start = mTokenizer.findTokenStart(editable, end); 1392 if (shouldCreateChip(start, end)) { 1393 commitChip(start, end, editable); 1394 } 1395 setSelection(getText().length()); 1396 } 1397 1398 private boolean commitChip(int start, int end, Editable editable) { 1399 ListAdapter adapter = getAdapter(); 1400 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1401 && end == getSelectionEnd() && !isPhoneQuery()) { 1402 // let's choose the selected or first entry if only the input text is NOT an email 1403 // address so we won't try to replace the user's potentially correct but 1404 // new/unencountered email input 1405 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1406 final int selectedPosition = getListSelection(); 1407 if (selectedPosition == -1) { 1408 // Nothing is selected; use the first item 1409 submitItemAtPosition(0); 1410 } else { 1411 submitItemAtPosition(selectedPosition); 1412 } 1413 } 1414 dismissDropDown(); 1415 return true; 1416 } else { 1417 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1418 if (editable.length() > tokenEnd + 1) { 1419 char charAt = editable.charAt(tokenEnd + 1); 1420 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1421 tokenEnd++; 1422 } 1423 } 1424 String text = editable.toString().substring(start, tokenEnd).trim(); 1425 clearComposingText(); 1426 if (text != null && text.length() > 0 && !text.equals(" ")) { 1427 RecipientEntry entry = createTokenizedEntry(text); 1428 if (entry != null) { 1429 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1430 CharSequence chipText = createChip(entry, false); 1431 if (chipText != null && start > -1 && end > -1) { 1432 editable.replace(start, end, chipText); 1433 } 1434 } 1435 // Only dismiss the dropdown if it is related to the text we 1436 // just committed. 1437 // For paste, it may not be as there are possibly multiple 1438 // tokens being added. 1439 if (end == getSelectionEnd()) { 1440 dismissDropDown(); 1441 } 1442 sanitizeBetween(); 1443 return true; 1444 } 1445 } 1446 return false; 1447 } 1448 1449 // Visible for testing. 1450 /* package */ void sanitizeBetween() { 1451 // Don't sanitize while we are waiting for content to chipify. 1452 if (mPendingChipsCount > 0) { 1453 return; 1454 } 1455 // Find the last chip. 1456 DrawableRecipientChip[] recips = getSortedRecipients(); 1457 if (recips != null && recips.length > 0) { 1458 DrawableRecipientChip last = recips[recips.length - 1]; 1459 DrawableRecipientChip beforeLast = null; 1460 if (recips.length > 1) { 1461 beforeLast = recips[recips.length - 2]; 1462 } 1463 int startLooking = 0; 1464 int end = getSpannable().getSpanStart(last); 1465 if (beforeLast != null) { 1466 startLooking = getSpannable().getSpanEnd(beforeLast); 1467 Editable text = getText(); 1468 if (startLooking == -1 || startLooking > text.length() - 1) { 1469 // There is nothing after this chip. 1470 return; 1471 } 1472 if (text.charAt(startLooking) == ' ') { 1473 startLooking++; 1474 } 1475 } 1476 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1477 getText().delete(startLooking, end); 1478 } 1479 } 1480 } 1481 1482 private boolean shouldCreateChip(int start, int end) { 1483 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1484 } 1485 1486 private boolean alreadyHasChip(int start, int end) { 1487 if (mNoChips) { 1488 return true; 1489 } 1490 DrawableRecipientChip[] chips = 1491 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1492 if ((chips == null || chips.length == 0)) { 1493 return false; 1494 } 1495 return true; 1496 } 1497 1498 private void handleEdit(int start, int end) { 1499 if (start == -1 || end == -1) { 1500 // This chip no longer exists in the field. 1501 dismissDropDown(); 1502 return; 1503 } 1504 // This is in the middle of a chip, so select out the whole chip 1505 // and commit it. 1506 Editable editable = getText(); 1507 setSelection(end); 1508 String text = getText().toString().substring(start, end); 1509 if (!TextUtils.isEmpty(text)) { 1510 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1511 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1512 CharSequence chipText = createChip(entry, false); 1513 int selEnd = getSelectionEnd(); 1514 if (chipText != null && start > -1 && selEnd > -1) { 1515 editable.replace(start, selEnd, chipText); 1516 } 1517 } 1518 dismissDropDown(); 1519 } 1520 1521 /** 1522 * If there is a selected chip, delegate the key events 1523 * to the selected chip. 1524 */ 1525 @Override 1526 public boolean onKeyDown(int keyCode, KeyEvent event) { 1527 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1528 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1529 mAlternatesPopup.dismiss(); 1530 } 1531 removeChip(mSelectedChip); 1532 } 1533 1534 switch (keyCode) { 1535 case KeyEvent.KEYCODE_ENTER: 1536 case KeyEvent.KEYCODE_DPAD_CENTER: 1537 if (event.hasNoModifiers()) { 1538 if (commitDefault()) { 1539 return true; 1540 } 1541 if (mSelectedChip != null) { 1542 clearSelectedChip(); 1543 return true; 1544 } else if (focusNext()) { 1545 return true; 1546 } 1547 } 1548 break; 1549 } 1550 1551 return super.onKeyDown(keyCode, event); 1552 } 1553 1554 // Visible for testing. 1555 /* package */ Spannable getSpannable() { 1556 return getText(); 1557 } 1558 1559 private int getChipStart(DrawableRecipientChip chip) { 1560 return getSpannable().getSpanStart(chip); 1561 } 1562 1563 private int getChipEnd(DrawableRecipientChip chip) { 1564 return getSpannable().getSpanEnd(chip); 1565 } 1566 1567 /** 1568 * Instead of filtering on the entire contents of the edit box, 1569 * this subclass method filters on the range from 1570 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1571 * if the length of that range meets or exceeds {@link #getThreshold} 1572 * and makes sure that the range is not already a Chip. 1573 */ 1574 @Override 1575 protected void performFiltering(CharSequence text, int keyCode) { 1576 boolean isCompletedToken = isCompletedToken(text); 1577 if (enoughToFilter() && !isCompletedToken) { 1578 int end = getSelectionEnd(); 1579 int start = mTokenizer.findTokenStart(text, end); 1580 // If this is a RecipientChip, don't filter 1581 // on its contents. 1582 Spannable span = getSpannable(); 1583 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1584 if (chips != null && chips.length > 0) { 1585 dismissDropDown(); 1586 return; 1587 } 1588 } else if (isCompletedToken) { 1589 dismissDropDown(); 1590 return; 1591 } 1592 super.performFiltering(text, keyCode); 1593 } 1594 1595 // Visible for testing. 1596 /*package*/ boolean isCompletedToken(CharSequence text) { 1597 if (TextUtils.isEmpty(text)) { 1598 return false; 1599 } 1600 // Check to see if this is a completed token before filtering. 1601 int end = text.length(); 1602 int start = mTokenizer.findTokenStart(text, end); 1603 String token = text.toString().substring(start, end).trim(); 1604 if (!TextUtils.isEmpty(token)) { 1605 char atEnd = token.charAt(token.length() - 1); 1606 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1607 } 1608 return false; 1609 } 1610 1611 private void clearSelectedChip() { 1612 if (mSelectedChip != null) { 1613 unselectChip(mSelectedChip); 1614 mSelectedChip = null; 1615 } 1616 setCursorVisible(true); 1617 } 1618 1619 /** 1620 * Monitor touch events in the RecipientEditTextView. 1621 * If the view does not have focus, any tap on the view 1622 * will just focus the view. If the view has focus, determine 1623 * if the touch target is a recipient chip. If it is and the chip 1624 * is not selected, select it and clear any other selected chips. 1625 * If it isn't, then select that chip. 1626 */ 1627 @Override 1628 public boolean onTouchEvent(MotionEvent event) { 1629 if (!isFocused()) { 1630 // Ignore any chip taps until this view is focused. 1631 return super.onTouchEvent(event); 1632 } 1633 boolean handled = super.onTouchEvent(event); 1634 int action = event.getAction(); 1635 boolean chipWasSelected = false; 1636 if (mSelectedChip == null) { 1637 mGestureDetector.onTouchEvent(event); 1638 } 1639 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1640 float x = event.getX(); 1641 float y = event.getY(); 1642 int offset = putOffsetInRange(x, y); 1643 DrawableRecipientChip currentChip = findChip(offset); 1644 if (currentChip != null) { 1645 if (action == MotionEvent.ACTION_UP) { 1646 if (mSelectedChip != null && mSelectedChip != currentChip) { 1647 clearSelectedChip(); 1648 mSelectedChip = selectChip(currentChip); 1649 } else if (mSelectedChip == null) { 1650 setSelection(getText().length()); 1651 commitDefault(); 1652 mSelectedChip = selectChip(currentChip); 1653 } else { 1654 onClick(mSelectedChip, offset, x, y); 1655 } 1656 } 1657 chipWasSelected = true; 1658 handled = true; 1659 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1660 chipWasSelected = true; 1661 } 1662 } 1663 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1664 clearSelectedChip(); 1665 } 1666 return handled; 1667 } 1668 1669 private void scrollLineIntoView(int line) { 1670 if (mScrollView != null) { 1671 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1672 } 1673 } 1674 1675 private void showAlternates(final DrawableRecipientChip currentChip, 1676 final ListPopupWindow alternatesPopup, final int width) { 1677 new AsyncTask<Void, Void, ListAdapter>() { 1678 @Override 1679 protected ListAdapter doInBackground(final Void... params) { 1680 return createAlternatesAdapter(currentChip); 1681 } 1682 1683 @Override 1684 protected void onPostExecute(final ListAdapter result) { 1685 if (!mAttachedToWindow) { 1686 return; 1687 } 1688 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1689 int bottom; 1690 if (line == getLineCount() -1) { 1691 bottom = 0; 1692 } else { 1693 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1694 .abs(getLineCount() - 1 - line))); 1695 } 1696 // Align the alternates popup with the left side of the View, 1697 // regardless of the position of the chip tapped. 1698 alternatesPopup.setWidth(width); 1699 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1700 alternatesPopup.setVerticalOffset(bottom); 1701 alternatesPopup.setAdapter(result); 1702 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1703 // Clear the checked item. 1704 mCheckedItem = -1; 1705 alternatesPopup.show(); 1706 ListView listView = alternatesPopup.getListView(); 1707 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1708 // Checked item would be -1 if the adapter has not 1709 // loaded the view that should be checked yet. The 1710 // variable will be set correctly when onCheckedItemChanged 1711 // is called in a separate thread. 1712 if (mCheckedItem != -1) { 1713 listView.setItemChecked(mCheckedItem, true); 1714 mCheckedItem = -1; 1715 } 1716 } 1717 }.execute((Void[]) null); 1718 } 1719 1720 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1721 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1722 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1723 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1724 } 1725 1726 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1727 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1728 mDropdownChipLayouter); 1729 } 1730 1731 @Override 1732 public void onCheckedItemChanged(int position) { 1733 ListView listView = mAlternatesPopup.getListView(); 1734 if (listView != null && listView.getCheckedItemCount() == 0) { 1735 listView.setItemChecked(position, true); 1736 } 1737 mCheckedItem = position; 1738 } 1739 1740 private int putOffsetInRange(final float x, final float y) { 1741 final int offset; 1742 1743 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1744 offset = getOffsetForPosition(x, y); 1745 } else { 1746 offset = supportGetOffsetForPosition(x, y); 1747 } 1748 1749 return putOffsetInRange(offset); 1750 } 1751 1752 // TODO: This algorithm will need a lot of tweaking after more people have used 1753 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1754 // what comes before the finger. 1755 private int putOffsetInRange(int o) { 1756 int offset = o; 1757 Editable text = getText(); 1758 int length = text.length(); 1759 // Remove whitespace from end to find "real end" 1760 int realLength = length; 1761 for (int i = length - 1; i >= 0; i--) { 1762 if (text.charAt(i) == ' ') { 1763 realLength--; 1764 } else { 1765 break; 1766 } 1767 } 1768 1769 // If the offset is beyond or at the end of the text, 1770 // leave it alone. 1771 if (offset >= realLength) { 1772 return offset; 1773 } 1774 Editable editable = getText(); 1775 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1776 // Keep walking backward! 1777 offset--; 1778 } 1779 return offset; 1780 } 1781 1782 private static int findText(Editable text, int offset) { 1783 if (text.charAt(offset) != ' ') { 1784 return offset; 1785 } 1786 return -1; 1787 } 1788 1789 private DrawableRecipientChip findChip(int offset) { 1790 DrawableRecipientChip[] chips = 1791 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1792 // Find the chip that contains this offset. 1793 for (int i = 0; i < chips.length; i++) { 1794 DrawableRecipientChip chip = chips[i]; 1795 int start = getChipStart(chip); 1796 int end = getChipEnd(chip); 1797 if (offset >= start && offset <= end) { 1798 return chip; 1799 } 1800 } 1801 return null; 1802 } 1803 1804 // Visible for testing. 1805 // Use this method to generate text to add to the list of addresses. 1806 /* package */String createAddressText(RecipientEntry entry) { 1807 String display = entry.getDisplayName(); 1808 String address = entry.getDestination(); 1809 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1810 display = null; 1811 } 1812 String trimmedDisplayText; 1813 if (isPhoneQuery() && isPhoneNumber(address)) { 1814 trimmedDisplayText = address.trim(); 1815 } else { 1816 if (address != null) { 1817 // Tokenize out the address in case the address already 1818 // contained the username as well. 1819 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1820 if (tokenized != null && tokenized.length > 0) { 1821 address = tokenized[0].getAddress(); 1822 } 1823 } 1824 Rfc822Token token = new Rfc822Token(display, address, null); 1825 trimmedDisplayText = token.toString().trim(); 1826 } 1827 int index = trimmedDisplayText.indexOf(","); 1828 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1829 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1830 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1831 } 1832 1833 // Visible for testing. 1834 // Use this method to generate text to display in a chip. 1835 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1836 String display = entry.getDisplayName(); 1837 String address = entry.getDestination(); 1838 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1839 display = null; 1840 } 1841 if (!TextUtils.isEmpty(display)) { 1842 return display; 1843 } else if (!TextUtils.isEmpty(address)){ 1844 return address; 1845 } else { 1846 return new Rfc822Token(display, address, null).toString(); 1847 } 1848 } 1849 1850 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1851 String displayText = createAddressText(entry); 1852 if (TextUtils.isEmpty(displayText)) { 1853 return null; 1854 } 1855 SpannableString chipText = null; 1856 // Always leave a blank space at the end of a chip. 1857 int textLength = displayText.length() - 1; 1858 chipText = new SpannableString(displayText); 1859 if (!mNoChips) { 1860 try { 1861 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1862 chipText.setSpan(chip, 0, textLength, 1863 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1864 chip.setOriginalText(chipText.toString()); 1865 } catch (NullPointerException e) { 1866 Log.e(TAG, e.getMessage(), e); 1867 return null; 1868 } 1869 } 1870 onChipCreated(entry); 1871 return chipText; 1872 } 1873 1874 /** 1875 * A callback for subclasses to use to know when a chip was created with the 1876 * given RecipientEntry. 1877 */ 1878 protected void onChipCreated(RecipientEntry entry) {} 1879 1880 /** 1881 * When an item in the suggestions list has been clicked, create a chip from the 1882 * contact information of the selected item. 1883 */ 1884 @Override 1885 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1886 if (position < 0) { 1887 return; 1888 } 1889 1890 final int charactersTyped = submitItemAtPosition(position); 1891 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1892 mRecipientEntryItemClickedListener 1893 .onRecipientEntryItemClicked(charactersTyped, position); 1894 } 1895 } 1896 1897 private int submitItemAtPosition(int position) { 1898 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1899 if (entry == null) { 1900 return -1; 1901 } 1902 clearComposingText(); 1903 1904 int end = getSelectionEnd(); 1905 int start = mTokenizer.findTokenStart(getText(), end); 1906 1907 Editable editable = getText(); 1908 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1909 CharSequence chip = createChip(entry, false); 1910 if (chip != null && start >= 0 && end >= 0) { 1911 editable.replace(start, end, chip); 1912 } 1913 sanitizeBetween(); 1914 1915 return end - start; 1916 } 1917 1918 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1919 if (item == null) { 1920 return null; 1921 } 1922 final RecipientEntry entry; 1923 // If the display name and the address are the same, or if this is a 1924 // valid contact, but the destination is invalid, then make this a fake 1925 // recipient that is editable. 1926 String destination = item.getDestination(); 1927 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1928 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1929 destination, item.isValid()); 1930 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1931 && (TextUtils.isEmpty(item.getDisplayName()) 1932 || TextUtils.equals(item.getDisplayName(), destination) 1933 || (mValidator != null && !mValidator.isValid(destination)))) { 1934 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1935 } else { 1936 entry = item; 1937 } 1938 return entry; 1939 } 1940 1941 // Visible for testing. 1942 /* package */DrawableRecipientChip[] getSortedRecipients() { 1943 DrawableRecipientChip[] recips = getSpannable() 1944 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1945 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1946 Arrays.asList(recips)); 1947 final Spannable spannable = getSpannable(); 1948 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1949 1950 @Override 1951 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1952 int firstStart = spannable.getSpanStart(first); 1953 int secondStart = spannable.getSpanStart(second); 1954 if (firstStart < secondStart) { 1955 return -1; 1956 } else if (firstStart > secondStart) { 1957 return 1; 1958 } else { 1959 return 0; 1960 } 1961 } 1962 }); 1963 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1964 } 1965 1966 @Override 1967 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1968 return false; 1969 } 1970 1971 @Override 1972 public void onDestroyActionMode(ActionMode mode) { 1973 } 1974 1975 @Override 1976 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1977 return false; 1978 } 1979 1980 /** 1981 * No chips are selectable. 1982 */ 1983 @Override 1984 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1985 return false; 1986 } 1987 1988 // Visible for testing. 1989 /* package */ImageSpan getMoreChip() { 1990 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1991 MoreImageSpan.class); 1992 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1993 } 1994 1995 private MoreImageSpan createMoreSpan(int count) { 1996 String moreText = String.format(mMoreItem.getText().toString(), count); 1997 TextPaint morePaint = new TextPaint(getPaint()); 1998 morePaint.setTextSize(mMoreItem.getTextSize()); 1999 morePaint.setColor(mMoreItem.getCurrentTextColor()); 2000 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2001 + mMoreItem.getPaddingRight(); 2002 int height = getLineHeight(); 2003 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2004 Canvas canvas = new Canvas(drawable); 2005 int adjustedHeight = height; 2006 Layout layout = getLayout(); 2007 if (layout != null) { 2008 adjustedHeight -= layout.getLineDescent(0); 2009 } 2010 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 2011 2012 Drawable result = new BitmapDrawable(getResources(), drawable); 2013 result.setBounds(0, 0, width, height); 2014 return new MoreImageSpan(result); 2015 } 2016 2017 // Visible for testing. 2018 /*package*/ void createMoreChipPlainText() { 2019 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2020 Editable text = getText(); 2021 int start = 0; 2022 int end = start; 2023 for (int i = 0; i < CHIP_LIMIT; i++) { 2024 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2025 start = end; // move to the next token and get its end. 2026 } 2027 // Now, count total addresses. 2028 start = 0; 2029 int tokenCount = countTokens(text); 2030 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2031 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2032 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2033 text.replace(end, text.length(), chipText); 2034 mMoreChip = moreSpan; 2035 } 2036 2037 // Visible for testing. 2038 /* package */int countTokens(Editable text) { 2039 int tokenCount = 0; 2040 int start = 0; 2041 while (start < text.length()) { 2042 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2043 tokenCount++; 2044 if (start >= text.length()) { 2045 break; 2046 } 2047 } 2048 return tokenCount; 2049 } 2050 2051 /** 2052 * Create the more chip. The more chip is text that replaces any chips that 2053 * do not fit in the pre-defined available space when the 2054 * RecipientEditTextView loses focus. 2055 */ 2056 // Visible for testing. 2057 /* package */ void createMoreChip() { 2058 if (mNoChips) { 2059 createMoreChipPlainText(); 2060 return; 2061 } 2062 2063 if (!mShouldShrink) { 2064 return; 2065 } 2066 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2067 if (tempMore.length > 0) { 2068 getSpannable().removeSpan(tempMore[0]); 2069 } 2070 DrawableRecipientChip[] recipients = getSortedRecipients(); 2071 2072 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2073 mMoreChip = null; 2074 return; 2075 } 2076 Spannable spannable = getSpannable(); 2077 int numRecipients = recipients.length; 2078 int overage = numRecipients - CHIP_LIMIT; 2079 MoreImageSpan moreSpan = createMoreSpan(overage); 2080 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2081 int totalReplaceStart = 0; 2082 int totalReplaceEnd = 0; 2083 Editable text = getText(); 2084 for (int i = numRecipients - overage; i < recipients.length; i++) { 2085 mRemovedSpans.add(recipients[i]); 2086 if (i == numRecipients - overage) { 2087 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2088 } 2089 if (i == recipients.length - 1) { 2090 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2091 } 2092 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2093 int spanStart = spannable.getSpanStart(recipients[i]); 2094 int spanEnd = spannable.getSpanEnd(recipients[i]); 2095 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2096 } 2097 spannable.removeSpan(recipients[i]); 2098 } 2099 if (totalReplaceEnd < text.length()) { 2100 totalReplaceEnd = text.length(); 2101 } 2102 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2103 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2104 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2105 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2106 text.replace(start, end, chipText); 2107 mMoreChip = moreSpan; 2108 // If adding the +more chip goes over the limit, resize accordingly. 2109 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2110 setMaxLines(getLineCount()); 2111 } 2112 } 2113 2114 /** 2115 * Replace the more chip, if it exists, with all of the recipient chips it had 2116 * replaced when the RecipientEditTextView gains focus. 2117 */ 2118 // Visible for testing. 2119 /*package*/ void removeMoreChip() { 2120 if (mMoreChip != null) { 2121 Spannable span = getSpannable(); 2122 span.removeSpan(mMoreChip); 2123 mMoreChip = null; 2124 // Re-add the spans that were removed. 2125 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2126 // Recreate each removed span. 2127 DrawableRecipientChip[] recipients = getSortedRecipients(); 2128 // Start the search for tokens after the last currently visible 2129 // chip. 2130 if (recipients == null || recipients.length == 0) { 2131 return; 2132 } 2133 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2134 Editable editable = getText(); 2135 for (DrawableRecipientChip chip : mRemovedSpans) { 2136 int chipStart; 2137 int chipEnd; 2138 String token; 2139 // Need to find the location of the chip, again. 2140 token = (String) chip.getOriginalText(); 2141 // As we find the matching recipient for the remove spans, 2142 // reduce the size of the string we need to search. 2143 // That way, if there are duplicates, we always find the correct 2144 // recipient. 2145 chipStart = editable.toString().indexOf(token, end); 2146 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2147 // Only set the span if we found a matching token. 2148 if (chipStart != -1) { 2149 editable.setSpan(chip, chipStart, chipEnd, 2150 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2151 } 2152 } 2153 mRemovedSpans.clear(); 2154 } 2155 } 2156 } 2157 2158 /** 2159 * Show specified chip as selected. If the RecipientChip is just an email address, 2160 * selecting the chip will take the contents of the chip and place it at 2161 * the end of the RecipientEditTextView for inline editing. If the 2162 * RecipientChip is a complete contact, then selecting the chip 2163 * will change the background color of the chip, show the delete icon, 2164 * and a popup window with the address in use highlighted and any other 2165 * alternate addresses for the contact. 2166 * @param currentChip Chip to select. 2167 * @return A RecipientChip in the selected state or null if the chip 2168 * just contained an email address. 2169 */ 2170 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2171 if (shouldShowEditableText(currentChip)) { 2172 CharSequence text = currentChip.getValue(); 2173 Editable editable = getText(); 2174 Spannable spannable = getSpannable(); 2175 int spanStart = spannable.getSpanStart(currentChip); 2176 int spanEnd = spannable.getSpanEnd(currentChip); 2177 spannable.removeSpan(currentChip); 2178 editable.delete(spanStart, spanEnd); 2179 setCursorVisible(true); 2180 setSelection(editable.length()); 2181 editable.append(text); 2182 return constructChipSpan( 2183 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2184 true); 2185 } else { 2186 int start = getChipStart(currentChip); 2187 int end = getChipEnd(currentChip); 2188 getSpannable().removeSpan(currentChip); 2189 DrawableRecipientChip newChip; 2190 final boolean showAddress = 2191 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2192 getAdapter().forceShowAddress(); 2193 try { 2194 if (showAddress && mNoChips) { 2195 return null; 2196 } 2197 newChip = constructChipSpan(currentChip.getEntry(), true); 2198 } catch (NullPointerException e) { 2199 Log.e(TAG, e.getMessage(), e); 2200 return null; 2201 } 2202 Editable editable = getText(); 2203 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2204 if (start == -1 || end == -1) { 2205 Log.d(TAG, "The chip being selected no longer exists but should."); 2206 } else { 2207 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2208 } 2209 newChip.setSelected(true); 2210 if (shouldShowEditableText(newChip)) { 2211 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2212 } 2213 if (showAddress) { 2214 showAddress(newChip, mAddressPopup, getWidth()); 2215 } else { 2216 showAlternates(newChip, mAlternatesPopup, getWidth()); 2217 } 2218 setCursorVisible(false); 2219 return newChip; 2220 } 2221 } 2222 2223 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2224 long contactId = currentChip.getContactId(); 2225 return contactId == RecipientEntry.INVALID_CONTACT 2226 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2227 } 2228 2229 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2230 int width) { 2231 if (!mAttachedToWindow) { 2232 return; 2233 } 2234 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2235 int bottom = calculateOffsetFromBottom(line); 2236 // Align the alternates popup with the left side of the View, 2237 // regardless of the position of the chip tapped. 2238 popup.setWidth(width); 2239 popup.setAnchorView(this); 2240 popup.setVerticalOffset(bottom); 2241 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2242 popup.setOnItemClickListener(new OnItemClickListener() { 2243 @Override 2244 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2245 unselectChip(currentChip); 2246 popup.dismiss(); 2247 } 2248 }); 2249 popup.show(); 2250 ListView listView = popup.getListView(); 2251 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2252 listView.setItemChecked(0, true); 2253 } 2254 2255 /** 2256 * Remove selection from this chip. Unselecting a RecipientChip will render 2257 * the chip without a delete icon and with an unfocused background. This is 2258 * called when the RecipientChip no longer has focus. 2259 */ 2260 private void unselectChip(DrawableRecipientChip chip) { 2261 int start = getChipStart(chip); 2262 int end = getChipEnd(chip); 2263 Editable editable = getText(); 2264 mSelectedChip = null; 2265 if (start == -1 || end == -1) { 2266 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2267 setSelection(editable.length()); 2268 commitDefault(); 2269 } else { 2270 getSpannable().removeSpan(chip); 2271 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2272 editable.removeSpan(chip); 2273 try { 2274 if (!mNoChips) { 2275 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2276 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2277 } 2278 } catch (NullPointerException e) { 2279 Log.e(TAG, e.getMessage(), e); 2280 } 2281 } 2282 setCursorVisible(true); 2283 setSelection(editable.length()); 2284 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2285 mAlternatesPopup.dismiss(); 2286 } 2287 } 2288 2289 /** 2290 * Return whether a touch event was inside the delete target of 2291 * a selected chip. It is in the delete target if: 2292 * 1) the x and y points of the event are within the 2293 * delete assset. 2294 * 2) the point tapped would have caused a cursor to appear 2295 * right after the selected chip. 2296 * @return boolean 2297 */ 2298 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2299 // Figure out the bounds of this chip and whether or not 2300 // the user clicked in the X portion. 2301 // TODO: Should x and y be used, or removed? 2302 if (mDisableDelete) { 2303 return false; 2304 } 2305 2306 return chip.isSelected() && 2307 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2308 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2309 } 2310 2311 /** 2312 * Remove the chip and any text associated with it from the RecipientEditTextView. 2313 */ 2314 // Visible for testing. 2315 /* package */void removeChip(DrawableRecipientChip chip) { 2316 Spannable spannable = getSpannable(); 2317 int spanStart = spannable.getSpanStart(chip); 2318 int spanEnd = spannable.getSpanEnd(chip); 2319 Editable text = getText(); 2320 int toDelete = spanEnd; 2321 boolean wasSelected = chip == mSelectedChip; 2322 // Clear that there is a selected chip before updating any text. 2323 if (wasSelected) { 2324 mSelectedChip = null; 2325 } 2326 // Always remove trailing spaces when removing a chip. 2327 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2328 toDelete++; 2329 } 2330 spannable.removeSpan(chip); 2331 if (spanStart >= 0 && toDelete > 0) { 2332 text.delete(spanStart, toDelete); 2333 } 2334 if (wasSelected) { 2335 clearSelectedChip(); 2336 } 2337 } 2338 2339 /** 2340 * Replace this currently selected chip with a new chip 2341 * that uses the contact data provided. 2342 */ 2343 // Visible for testing. 2344 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2345 boolean wasSelected = chip == mSelectedChip; 2346 if (wasSelected) { 2347 mSelectedChip = null; 2348 } 2349 int start = getChipStart(chip); 2350 int end = getChipEnd(chip); 2351 getSpannable().removeSpan(chip); 2352 Editable editable = getText(); 2353 CharSequence chipText = createChip(entry, false); 2354 if (chipText != null) { 2355 if (start == -1 || end == -1) { 2356 Log.e(TAG, "The chip to replace does not exist but should."); 2357 editable.insert(0, chipText); 2358 } else { 2359 if (!TextUtils.isEmpty(chipText)) { 2360 // There may be a space to replace with this chip's new 2361 // associated space. Check for it 2362 int toReplace = end; 2363 while (toReplace >= 0 && toReplace < editable.length() 2364 && editable.charAt(toReplace) == ' ') { 2365 toReplace++; 2366 } 2367 editable.replace(start, toReplace, chipText); 2368 } 2369 } 2370 } 2371 setCursorVisible(true); 2372 if (wasSelected) { 2373 clearSelectedChip(); 2374 } 2375 } 2376 2377 /** 2378 * Handle click events for a chip. When a selected chip receives a click 2379 * event, see if that event was in the delete icon. If so, delete it. 2380 * Otherwise, unselect the chip. 2381 */ 2382 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2383 if (chip.isSelected()) { 2384 if (isInDelete(chip, offset, x, y)) { 2385 removeChip(chip); 2386 } else { 2387 clearSelectedChip(); 2388 } 2389 } 2390 } 2391 2392 private boolean chipsPending() { 2393 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2394 } 2395 2396 @Override 2397 public void removeTextChangedListener(TextWatcher watcher) { 2398 mTextWatcher = null; 2399 super.removeTextChangedListener(watcher); 2400 } 2401 2402 private boolean isValidEmailAddress(String input) { 2403 return !TextUtils.isEmpty(input) && mValidator != null && 2404 mValidator.isValid(input); 2405 } 2406 2407 private class RecipientTextWatcher implements TextWatcher { 2408 2409 @Override 2410 public void afterTextChanged(Editable s) { 2411 // If the text has been set to null or empty, make sure we remove 2412 // all the spans we applied. 2413 if (TextUtils.isEmpty(s)) { 2414 // Remove all the chips spans. 2415 Spannable spannable = getSpannable(); 2416 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2417 DrawableRecipientChip.class); 2418 for (DrawableRecipientChip chip : chips) { 2419 spannable.removeSpan(chip); 2420 } 2421 if (mMoreChip != null) { 2422 spannable.removeSpan(mMoreChip); 2423 } 2424 clearSelectedChip(); 2425 return; 2426 } 2427 // Get whether there are any recipients pending addition to the 2428 // view. If there are, don't do anything in the text watcher. 2429 if (chipsPending()) { 2430 return; 2431 } 2432 // If the user is editing a chip, don't clear it. 2433 if (mSelectedChip != null) { 2434 if (!isGeneratedContact(mSelectedChip)) { 2435 setCursorVisible(true); 2436 setSelection(getText().length()); 2437 clearSelectedChip(); 2438 } else { 2439 return; 2440 } 2441 } 2442 int length = s.length(); 2443 // Make sure there is content there to parse and that it is 2444 // not just the commit character. 2445 if (length > 1) { 2446 if (lastCharacterIsCommitCharacter(s)) { 2447 commitByCharacter(); 2448 return; 2449 } 2450 char last; 2451 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2452 int len = length() - 1; 2453 if (end != len) { 2454 last = s.charAt(end); 2455 } else { 2456 last = s.charAt(len); 2457 } 2458 if (last == COMMIT_CHAR_SPACE) { 2459 if (!isPhoneQuery()) { 2460 // Check if this is a valid email address. If it is, 2461 // commit it. 2462 String text = getText().toString(); 2463 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2464 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2465 tokenStart)); 2466 if (isValidEmailAddress(sub)) { 2467 commitByCharacter(); 2468 } 2469 } 2470 } 2471 } 2472 } 2473 2474 @Override 2475 public void onTextChanged(CharSequence s, int start, int before, int count) { 2476 // The user deleted some text OR some text was replaced; check to 2477 // see if the insertion point is on a space 2478 // following a chip. 2479 if (before - count == 1) { 2480 // If the item deleted is a space, and the thing before the 2481 // space is a chip, delete the entire span. 2482 int selStart = getSelectionStart(); 2483 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2484 DrawableRecipientChip.class); 2485 if (repl.length > 0) { 2486 // There is a chip there! Just remove it. 2487 Editable editable = getText(); 2488 // Add the separator token. 2489 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2490 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2491 tokenEnd = tokenEnd + 1; 2492 if (tokenEnd > editable.length()) { 2493 tokenEnd = editable.length(); 2494 } 2495 editable.delete(tokenStart, tokenEnd); 2496 getSpannable().removeSpan(repl[0]); 2497 } 2498 } else if (count > before) { 2499 if (mSelectedChip != null 2500 && isGeneratedContact(mSelectedChip)) { 2501 if (lastCharacterIsCommitCharacter(s)) { 2502 commitByCharacter(); 2503 return; 2504 } 2505 } 2506 } 2507 } 2508 2509 @Override 2510 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2511 // Do nothing. 2512 } 2513 } 2514 2515 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2516 char last; 2517 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2518 int len = length() - 1; 2519 if (end != len) { 2520 last = s.charAt(end); 2521 } else { 2522 last = s.charAt(len); 2523 } 2524 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2525 } 2526 2527 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2528 long contactId = chip.getContactId(); 2529 return contactId == RecipientEntry.INVALID_CONTACT 2530 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2531 } 2532 2533 /** 2534 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2535 */ 2536 private void handlePasteClip(ClipData clip) { 2537 removeTextChangedListener(mTextWatcher); 2538 2539 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2540 for (int i = 0; i < clip.getItemCount(); i++) { 2541 CharSequence paste = clip.getItemAt(i).getText(); 2542 if (paste != null) { 2543 int start = getSelectionStart(); 2544 int end = getSelectionEnd(); 2545 Editable editable = getText(); 2546 if (start >= 0 && end >= 0 && start != end) { 2547 editable.append(paste, start, end); 2548 } else { 2549 editable.insert(end, paste); 2550 } 2551 handlePasteAndReplace(); 2552 } 2553 } 2554 } 2555 2556 mHandler.post(mAddTextWatcher); 2557 } 2558 2559 @Override 2560 public boolean onTextContextMenuItem(int id) { 2561 if (id == android.R.id.paste) { 2562 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2563 Context.CLIPBOARD_SERVICE); 2564 handlePasteClip(clipboard.getPrimaryClip()); 2565 return true; 2566 } 2567 return super.onTextContextMenuItem(id); 2568 } 2569 2570 private void handlePasteAndReplace() { 2571 ArrayList<DrawableRecipientChip> created = handlePaste(); 2572 if (created != null && created.size() > 0) { 2573 // Perform reverse lookups on the pasted contacts. 2574 IndividualReplacementTask replace = new IndividualReplacementTask(); 2575 replace.execute(created); 2576 } 2577 } 2578 2579 // Visible for testing. 2580 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2581 String text = getText().toString(); 2582 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2583 String lastAddress = text.substring(originalTokenStart); 2584 int tokenStart = originalTokenStart; 2585 int prevTokenStart = 0; 2586 DrawableRecipientChip findChip = null; 2587 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2588 if (tokenStart != 0) { 2589 // There are things before this! 2590 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2591 prevTokenStart = tokenStart; 2592 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2593 findChip = findChip(tokenStart); 2594 if (tokenStart == originalTokenStart && findChip == null) { 2595 break; 2596 } 2597 } 2598 if (tokenStart != originalTokenStart) { 2599 if (findChip != null) { 2600 tokenStart = prevTokenStart; 2601 } 2602 int tokenEnd; 2603 DrawableRecipientChip createdChip; 2604 while (tokenStart < originalTokenStart) { 2605 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2606 tokenStart)); 2607 commitChip(tokenStart, tokenEnd, getText()); 2608 createdChip = findChip(tokenStart); 2609 if (createdChip == null) { 2610 break; 2611 } 2612 // +1 for the space at the end. 2613 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2614 created.add(createdChip); 2615 } 2616 } 2617 } 2618 // Take a look at the last token. If the token has been completed with a 2619 // commit character, create a chip. 2620 if (isCompletedToken(lastAddress)) { 2621 Editable editable = getText(); 2622 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2623 commitChip(tokenStart, editable.length(), editable); 2624 created.add(findChip(tokenStart)); 2625 } 2626 return created; 2627 } 2628 2629 // Visible for testing. 2630 /* package */int movePastTerminators(int tokenEnd) { 2631 if (tokenEnd >= length()) { 2632 return tokenEnd; 2633 } 2634 char atEnd = getText().toString().charAt(tokenEnd); 2635 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2636 tokenEnd++; 2637 } 2638 // This token had not only an end token character, but also a space 2639 // separating it from the next token. 2640 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2641 tokenEnd++; 2642 } 2643 return tokenEnd; 2644 } 2645 2646 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2647 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2648 try { 2649 if (mNoChips) { 2650 return null; 2651 } 2652 return constructChipSpan(entry, false); 2653 } catch (NullPointerException e) { 2654 Log.e(TAG, e.getMessage(), e); 2655 return null; 2656 } 2657 } 2658 2659 @Override 2660 protected void onPreExecute() { 2661 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2662 // replaced 2663 final List<DrawableRecipientChip> originalRecipients = 2664 new ArrayList<DrawableRecipientChip>(); 2665 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2666 for (int i = 0; i < existingChips.length; i++) { 2667 originalRecipients.add(existingChips[i]); 2668 } 2669 if (mRemovedSpans != null) { 2670 originalRecipients.addAll(mRemovedSpans); 2671 } 2672 2673 final List<DrawableRecipientChip> replacements = 2674 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2675 2676 for (final DrawableRecipientChip chip : originalRecipients) { 2677 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2678 && getSpannable().getSpanStart(chip) != -1) { 2679 replacements.add(createFreeChip(chip.getEntry())); 2680 } else { 2681 replacements.add(null); 2682 } 2683 } 2684 2685 processReplacements(originalRecipients, replacements); 2686 } 2687 2688 @Override 2689 protected Void doInBackground(Void... params) { 2690 if (mIndividualReplacements != null) { 2691 mIndividualReplacements.cancel(true); 2692 } 2693 // For each chip in the list, look up the matching contact. 2694 // If there is a match, replace that chip with the matching 2695 // chip. 2696 final ArrayList<DrawableRecipientChip> recipients = 2697 new ArrayList<DrawableRecipientChip>(); 2698 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2699 for (int i = 0; i < existingChips.length; i++) { 2700 recipients.add(existingChips[i]); 2701 } 2702 if (mRemovedSpans != null) { 2703 recipients.addAll(mRemovedSpans); 2704 } 2705 ArrayList<String> addresses = new ArrayList<String>(); 2706 DrawableRecipientChip chip; 2707 for (int i = 0; i < recipients.size(); i++) { 2708 chip = recipients.get(i); 2709 if (chip != null) { 2710 addresses.add(createAddressText(chip.getEntry())); 2711 } 2712 } 2713 final BaseRecipientAdapter adapter = getAdapter(); 2714 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2715 @Override 2716 public void matchesFound(Map<String, RecipientEntry> entries) { 2717 final ArrayList<DrawableRecipientChip> replacements = 2718 new ArrayList<DrawableRecipientChip>(); 2719 for (final DrawableRecipientChip temp : recipients) { 2720 RecipientEntry entry = null; 2721 if (temp != null && RecipientEntry.isCreatedRecipient( 2722 temp.getEntry().getContactId()) 2723 && getSpannable().getSpanStart(temp) != -1) { 2724 // Replace this. 2725 entry = createValidatedEntry( 2726 entries.get(tokenizeAddress(temp.getEntry() 2727 .getDestination()))); 2728 } 2729 if (entry != null) { 2730 replacements.add(createFreeChip(entry)); 2731 } else { 2732 replacements.add(null); 2733 } 2734 } 2735 processReplacements(recipients, replacements); 2736 } 2737 2738 @Override 2739 public void matchesNotFound(final Set<String> unfoundAddresses) { 2740 final List<DrawableRecipientChip> replacements = 2741 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2742 2743 for (final DrawableRecipientChip temp : recipients) { 2744 if (temp != null && RecipientEntry.isCreatedRecipient( 2745 temp.getEntry().getContactId()) 2746 && getSpannable().getSpanStart(temp) != -1) { 2747 if (unfoundAddresses.contains( 2748 temp.getEntry().getDestination())) { 2749 replacements.add(createFreeChip(temp.getEntry())); 2750 } else { 2751 replacements.add(null); 2752 } 2753 } else { 2754 replacements.add(null); 2755 } 2756 } 2757 2758 processReplacements(recipients, replacements); 2759 } 2760 }); 2761 return null; 2762 } 2763 2764 private void processReplacements(final List<DrawableRecipientChip> recipients, 2765 final List<DrawableRecipientChip> replacements) { 2766 if (replacements != null && replacements.size() > 0) { 2767 final Runnable runnable = new Runnable() { 2768 @Override 2769 public void run() { 2770 final Editable text = new SpannableStringBuilder(getText()); 2771 int i = 0; 2772 for (final DrawableRecipientChip chip : recipients) { 2773 final DrawableRecipientChip replacement = replacements.get(i); 2774 if (replacement != null) { 2775 final RecipientEntry oldEntry = chip.getEntry(); 2776 final RecipientEntry newEntry = replacement.getEntry(); 2777 final boolean isBetter = 2778 RecipientAlternatesAdapter.getBetterRecipient( 2779 oldEntry, newEntry) == newEntry; 2780 2781 if (isBetter) { 2782 // Find the location of the chip in the text currently shown. 2783 final int start = text.getSpanStart(chip); 2784 if (start != -1) { 2785 // Replacing the entirety of what the chip represented, 2786 // including the extra space dividing it from other chips. 2787 final int end = 2788 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2789 text.removeSpan(chip); 2790 // Make sure we always have just 1 space at the end to 2791 // separate this chip from the next chip. 2792 final SpannableString displayText = 2793 new SpannableString(createAddressText( 2794 replacement.getEntry()).trim() + " "); 2795 displayText.setSpan(replacement, 0, 2796 displayText.length() - 1, 2797 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2798 // Replace the old text we found with with the new display 2799 // text, which now may also contain the display name of the 2800 // recipient. 2801 text.replace(start, end, displayText); 2802 replacement.setOriginalText(displayText.toString()); 2803 replacements.set(i, null); 2804 2805 recipients.set(i, replacement); 2806 } 2807 } 2808 } 2809 i++; 2810 } 2811 setText(text); 2812 } 2813 }; 2814 2815 if (Looper.myLooper() == Looper.getMainLooper()) { 2816 runnable.run(); 2817 } else { 2818 mHandler.post(runnable); 2819 } 2820 } 2821 } 2822 } 2823 2824 private class IndividualReplacementTask 2825 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2826 @Override 2827 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2828 // For each chip in the list, look up the matching contact. 2829 // If there is a match, replace that chip with the matching 2830 // chip. 2831 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2832 ArrayList<String> addresses = new ArrayList<String>(); 2833 DrawableRecipientChip chip; 2834 for (int i = 0; i < originalRecipients.size(); i++) { 2835 chip = originalRecipients.get(i); 2836 if (chip != null) { 2837 addresses.add(createAddressText(chip.getEntry())); 2838 } 2839 } 2840 final BaseRecipientAdapter adapter = getAdapter(); 2841 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2842 2843 @Override 2844 public void matchesFound(Map<String, RecipientEntry> entries) { 2845 for (final DrawableRecipientChip temp : originalRecipients) { 2846 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2847 .getContactId()) 2848 && getSpannable().getSpanStart(temp) != -1) { 2849 // Replace this. 2850 final RecipientEntry entry = createValidatedEntry(entries 2851 .get(tokenizeAddress(temp.getEntry().getDestination()) 2852 .toLowerCase())); 2853 if (entry != null) { 2854 mHandler.post(new Runnable() { 2855 @Override 2856 public void run() { 2857 replaceChip(temp, entry); 2858 } 2859 }); 2860 } 2861 } 2862 } 2863 } 2864 2865 @Override 2866 public void matchesNotFound(final Set<String> unfoundAddresses) { 2867 // No action required 2868 } 2869 }); 2870 return null; 2871 } 2872 } 2873 2874 2875 /** 2876 * MoreImageSpan is a simple class created for tracking the existence of a 2877 * more chip across activity restarts/ 2878 */ 2879 private class MoreImageSpan extends ImageSpan { 2880 public MoreImageSpan(Drawable b) { 2881 super(b); 2882 } 2883 } 2884 2885 @Override 2886 public boolean onDown(MotionEvent e) { 2887 return false; 2888 } 2889 2890 @Override 2891 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2892 // Do nothing. 2893 return false; 2894 } 2895 2896 @Override 2897 public void onLongPress(MotionEvent event) { 2898 if (mSelectedChip != null) { 2899 return; 2900 } 2901 float x = event.getX(); 2902 float y = event.getY(); 2903 final int offset = putOffsetInRange(x, y); 2904 DrawableRecipientChip currentChip = findChip(offset); 2905 if (currentChip != null) { 2906 if (mDragEnabled) { 2907 // Start drag-and-drop for the selected chip. 2908 startDrag(currentChip); 2909 } else { 2910 // Copy the selected chip email address. 2911 showCopyDialog(currentChip.getEntry().getDestination()); 2912 } 2913 } 2914 } 2915 2916 // The following methods are used to provide some functionality on older versions of Android 2917 // These methods were copied out of JB MR2's TextView 2918 ///////////////////////////////////////////////// 2919 private int supportGetOffsetForPosition(float x, float y) { 2920 if (getLayout() == null) return -1; 2921 final int line = supportGetLineAtCoordinate(y); 2922 final int offset = supportGetOffsetAtCoordinate(line, x); 2923 return offset; 2924 } 2925 2926 private float supportConvertToLocalHorizontalCoordinate(float x) { 2927 x -= getTotalPaddingLeft(); 2928 // Clamp the position to inside of the view. 2929 x = Math.max(0.0f, x); 2930 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2931 x += getScrollX(); 2932 return x; 2933 } 2934 2935 private int supportGetLineAtCoordinate(float y) { 2936 y -= getTotalPaddingLeft(); 2937 // Clamp the position to inside of the view. 2938 y = Math.max(0.0f, y); 2939 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2940 y += getScrollY(); 2941 return getLayout().getLineForVertical((int) y); 2942 } 2943 2944 private int supportGetOffsetAtCoordinate(int line, float x) { 2945 x = supportConvertToLocalHorizontalCoordinate(x); 2946 return getLayout().getOffsetForHorizontal(line, x); 2947 } 2948 ///////////////////////////////////////////////// 2949 2950 /** 2951 * Enables drag-and-drop for chips. 2952 */ 2953 public void enableDrag() { 2954 mDragEnabled = true; 2955 } 2956 2957 /** 2958 * Starts drag-and-drop for the selected chip. 2959 */ 2960 private void startDrag(DrawableRecipientChip currentChip) { 2961 String address = currentChip.getEntry().getDestination(); 2962 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2963 2964 // Start drag mode. 2965 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2966 2967 // Remove the current chip, so drag-and-drop will result in a move. 2968 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2969 removeChip(currentChip); 2970 } 2971 2972 /** 2973 * Handles drag event. 2974 */ 2975 @Override 2976 public boolean onDragEvent(DragEvent event) { 2977 switch (event.getAction()) { 2978 case DragEvent.ACTION_DRAG_STARTED: 2979 // Only handle plain text drag and drop. 2980 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2981 case DragEvent.ACTION_DRAG_ENTERED: 2982 requestFocus(); 2983 return true; 2984 case DragEvent.ACTION_DROP: 2985 handlePasteClip(event.getClipData()); 2986 return true; 2987 } 2988 return false; 2989 } 2990 2991 /** 2992 * Drag shadow for a {@link DrawableRecipientChip}. 2993 */ 2994 private final class RecipientChipShadow extends DragShadowBuilder { 2995 private final DrawableRecipientChip mChip; 2996 2997 public RecipientChipShadow(DrawableRecipientChip chip) { 2998 mChip = chip; 2999 } 3000 3001 @Override 3002 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3003 Rect rect = mChip.getBounds(); 3004 shadowSize.set(rect.width(), rect.height()); 3005 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3006 } 3007 3008 @Override 3009 public void onDrawShadow(Canvas canvas) { 3010 mChip.draw(canvas); 3011 } 3012 } 3013 3014 private void showCopyDialog(final String address) { 3015 if (!mAttachedToWindow) { 3016 return; 3017 } 3018 mCopyAddress = address; 3019 mCopyDialog.setTitle(address); 3020 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3021 mCopyDialog.setCancelable(true); 3022 mCopyDialog.setCanceledOnTouchOutside(true); 3023 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3024 button.setOnClickListener(this); 3025 int btnTitleId; 3026 if (isPhoneQuery()) { 3027 btnTitleId = R.string.copy_number; 3028 } else { 3029 btnTitleId = R.string.copy_email; 3030 } 3031 String buttonTitle = getContext().getResources().getString(btnTitleId); 3032 button.setText(buttonTitle); 3033 mCopyDialog.setOnDismissListener(this); 3034 mCopyDialog.show(); 3035 } 3036 3037 @Override 3038 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3039 // Do nothing. 3040 return false; 3041 } 3042 3043 @Override 3044 public void onShowPress(MotionEvent e) { 3045 // Do nothing. 3046 } 3047 3048 @Override 3049 public boolean onSingleTapUp(MotionEvent e) { 3050 // Do nothing. 3051 return false; 3052 } 3053 3054 @Override 3055 public void onDismiss(DialogInterface dialog) { 3056 mCopyAddress = null; 3057 } 3058 3059 @Override 3060 public void onClick(View v) { 3061 // Copy this to the clipboard. 3062 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3063 Context.CLIPBOARD_SERVICE); 3064 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3065 mCopyDialog.dismiss(); 3066 } 3067 3068 protected boolean isPhoneQuery() { 3069 return getAdapter() != null 3070 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3071 } 3072 3073 @Override 3074 public BaseRecipientAdapter getAdapter() { 3075 return (BaseRecipientAdapter) super.getAdapter(); 3076 } 3077 3078 /** 3079 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3080 * unfinished text at the end. 3081 */ 3082 public void appendRecipientEntry(final RecipientEntry entry) { 3083 clearComposingText(); 3084 3085 final Editable editable = getText(); 3086 int chipInsertionPoint = 0; 3087 3088 // Find the end of last chip and see if there's any unchipified text. 3089 final DrawableRecipientChip[] recips = getSortedRecipients(); 3090 if (recips != null && recips.length > 0) { 3091 final DrawableRecipientChip last = recips[recips.length - 1]; 3092 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3093 // the insertion point will be kept untouched. 3094 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3095 } 3096 3097 final CharSequence chip = createChip(entry, false); 3098 if (chip != null) { 3099 editable.insert(chipInsertionPoint, chip); 3100 } 3101 } 3102 3103 /** 3104 * Remove all chips matching the given RecipientEntry. 3105 */ 3106 public void removeRecipientEntry(final RecipientEntry entry) { 3107 final DrawableRecipientChip[] recips = getText() 3108 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3109 3110 for (final DrawableRecipientChip recipient : recips) { 3111 final RecipientEntry existingEntry = recipient.getEntry(); 3112 if (existingEntry != null && existingEntry.isValid() && 3113 existingEntry.isSamePerson(entry)) { 3114 removeChip(recipient); 3115 } 3116 } 3117 } 3118 3119 private static class ChipBitmapContainer { 3120 Bitmap bitmap; 3121 // information used for positioning the loaded icon 3122 boolean loadIcon = true; 3123 float left; 3124 float top; 3125 float right; 3126 float bottom; 3127 } 3128} 3129