RecipientEditTextView.java revision f585f36afd00a3591dc71ce6acef00dd718c6287
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 private Drawable mChipDelete = null; 141 private Drawable mInvalidChipBackground; 142 private Drawable mChipBackgroundPressed; 143 144 private float mChipHeight; 145 private float mChipFontSize; 146 private float mLineSpacingExtra; 147 private int mChipTextStartPadding; 148 private int mChipTextEndPadding; 149 private final int mTextHeight; 150 151 /** 152 * Enumerator for avatar position. See attr.xml for more details. 153 * 0 for end, 1 for start. 154 */ 155 private int mAvatarPosition; 156 157 private static final int AVATAR_POSITION_END = 0; 158 159 private static final int AVATAR_POSITION_START = 1; 160 161 /** 162 * Enumerator for image span alignment. See attr.xml for more details. 163 * 0 for bottom, 1 for baseline. 164 */ 165 private int mImageSpanAlignment; 166 167 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 168 169 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 170 171 172 private boolean mDisableDelete; 173 174 private Tokenizer mTokenizer; 175 176 private Validator mValidator; 177 178 private DrawableRecipientChip mSelectedChip; 179 180 private Bitmap mDefaultContactPhoto; 181 182 private ImageSpan mMoreChip; 183 184 private TextView mMoreItem; 185 186 // VisibleForTesting 187 final ArrayList<String> mPendingChips = new ArrayList<String>(); 188 189 private Handler mHandler; 190 191 private int mPendingChipsCount = 0; 192 193 private boolean mNoChips = false; 194 195 private ListPopupWindow mAlternatesPopup; 196 197 private ListPopupWindow mAddressPopup; 198 199 // VisibleForTesting 200 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 201 202 private ArrayList<DrawableRecipientChip> mRemovedSpans; 203 204 private boolean mShouldShrink = true; 205 206 // Chip copy fields. 207 private GestureDetector mGestureDetector; 208 209 private Dialog mCopyDialog; 210 211 private String mCopyAddress; 212 213 /** 214 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 215 * selected chip. 216 */ 217 private OnItemClickListener mAlternatesListener; 218 219 private int mCheckedItem; 220 221 private TextWatcher mTextWatcher; 222 223 // Obtain the enclosing scroll view, if it exists, so that the view can be 224 // scrolled to show the last line of chips content. 225 private ScrollView mScrollView; 226 227 private boolean mTriedGettingScrollView; 228 229 private boolean mDragEnabled = false; 230 231 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 232 // parens, so numbers such as "1 (425) 222-2342" match. 233 private static final Pattern PHONE_PATTERN 234 = Pattern.compile( // sdd = space, dot, or dash 235 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 236 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 237 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 238 239 private final Runnable mAddTextWatcher = new Runnable() { 240 @Override 241 public void run() { 242 if (mTextWatcher == null) { 243 mTextWatcher = new RecipientTextWatcher(); 244 addTextChangedListener(mTextWatcher); 245 } 246 } 247 }; 248 249 private IndividualReplacementTask mIndividualReplacements; 250 251 private Runnable mHandlePendingChips = new Runnable() { 252 253 @Override 254 public void run() { 255 handlePendingChips(); 256 } 257 258 }; 259 260 private Runnable mDelayedShrink = new Runnable() { 261 262 @Override 263 public void run() { 264 shrink(); 265 } 266 267 }; 268 269 private int mMaxLines; 270 271 private static int sExcessTopPadding = -1; 272 273 private int mActionBarHeight; 274 275 private boolean mAttachedToWindow; 276 277 private DropdownChipLayouter mDropdownChipLayouter; 278 279 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 280 281 public interface RecipientEntryItemClickedListener { 282 /** 283 * Callback that occurs whenever an auto-complete suggestion is clicked. 284 * @param charactersTyped the number of characters typed by the user to provide the 285 * auto-complete suggestions. 286 * @param position the position in the dropdown list that the user clicked 287 */ 288 void onRecipientEntryItemClicked(int charactersTyped, int position); 289 } 290 291 public RecipientEditTextView(Context context, AttributeSet attrs) { 292 super(context, attrs); 293 setChipDimensions(context, attrs); 294 mTextHeight = calculateTextHeight(); 295 if (sSelectedTextColor == -1) { 296 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 297 } 298 mAlternatesPopup = new ListPopupWindow(context); 299 mAddressPopup = new ListPopupWindow(context); 300 mCopyDialog = new Dialog(context); 301 mAlternatesListener = new OnItemClickListener() { 302 @Override 303 public void onItemClick(AdapterView<?> adapterView,View view, int position, 304 long rowId) { 305 mAlternatesPopup.setOnItemClickListener(null); 306 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 307 .getRecipientEntry(position)); 308 Message delayed = Message.obtain(mHandler, DISMISS); 309 delayed.obj = mAlternatesPopup; 310 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 311 clearComposingText(); 312 } 313 }; 314 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 315 setOnItemClickListener(this); 316 setCustomSelectionActionModeCallback(this); 317 mHandler = new Handler() { 318 @Override 319 public void handleMessage(Message msg) { 320 if (msg.what == DISMISS) { 321 ((ListPopupWindow) msg.obj).dismiss(); 322 return; 323 } 324 super.handleMessage(msg); 325 } 326 }; 327 mTextWatcher = new RecipientTextWatcher(); 328 addTextChangedListener(mTextWatcher); 329 mGestureDetector = new GestureDetector(context, this); 330 setOnEditorActionListener(this); 331 332 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 333 } 334 335 private int calculateTextHeight() { 336 final Rect textBounds = new Rect(); 337 final TextPaint paint = getPaint(); 338 339 textBounds.setEmpty(); 340 // First measure the bounds of a sample text. 341 final String textHeightSample = "a"; 342 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), textBounds); 343 344 textBounds.left = 0; 345 textBounds.right = 0; 346 347 return textBounds.height(); 348 } 349 350 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 351 mDropdownChipLayouter = dropdownChipLayouter; 352 } 353 354 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 355 mRecipientEntryItemClickedListener = listener; 356 } 357 358 @Override 359 protected void onDetachedFromWindow() { 360 super.onDetachedFromWindow(); 361 mAttachedToWindow = false; 362 } 363 364 @Override 365 protected void onAttachedToWindow() { 366 super.onAttachedToWindow(); 367 mAttachedToWindow = true; 368 } 369 370 @Override 371 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 372 if (action == EditorInfo.IME_ACTION_DONE) { 373 if (commitDefault()) { 374 return true; 375 } 376 if (mSelectedChip != null) { 377 clearSelectedChip(); 378 return true; 379 } else if (focusNext()) { 380 return true; 381 } 382 } 383 return false; 384 } 385 386 @Override 387 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 388 InputConnection connection = super.onCreateInputConnection(outAttrs); 389 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 390 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 391 // clear the existing action 392 outAttrs.imeOptions ^= imeActions; 393 // set the DONE action 394 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 395 } 396 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 397 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 398 } 399 400 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 401 outAttrs.actionLabel = getContext().getString(R.string.action_label); 402 return connection; 403 } 404 405 /*package*/ DrawableRecipientChip getLastChip() { 406 DrawableRecipientChip last = null; 407 DrawableRecipientChip[] chips = getSortedRecipients(); 408 if (chips != null && chips.length > 0) { 409 last = chips[chips.length - 1]; 410 } 411 return last; 412 } 413 414 /** 415 * @return The list of {@link RecipientEntry}s that have been selected by the user. 416 */ 417 public List<RecipientEntry> getSelectedRecipients() { 418 DrawableRecipientChip[] chips = 419 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 420 List<RecipientEntry> results = new ArrayList(); 421 if (chips == null) { 422 return results; 423 } 424 425 for (DrawableRecipientChip c : chips) { 426 results.add(c.getEntry()); 427 } 428 429 return results; 430 } 431 432 @Override 433 public void onSelectionChanged(int start, int end) { 434 // When selection changes, see if it is inside the chips area. 435 // If so, move the cursor back after the chips again. 436 DrawableRecipientChip last = getLastChip(); 437 if (last != null && start < getSpannable().getSpanEnd(last)) { 438 // Grab the last chip and set the cursor to after it. 439 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 440 } 441 super.onSelectionChanged(start, end); 442 } 443 444 @Override 445 public void onRestoreInstanceState(Parcelable state) { 446 if (!TextUtils.isEmpty(getText())) { 447 super.onRestoreInstanceState(null); 448 } else { 449 super.onRestoreInstanceState(state); 450 } 451 } 452 453 @Override 454 public Parcelable onSaveInstanceState() { 455 // If the user changes orientation while they are editing, just roll back the selection. 456 clearSelectedChip(); 457 return super.onSaveInstanceState(); 458 } 459 460 /** 461 * Convenience method: Append the specified text slice to the TextView's 462 * display buffer, upgrading it to BufferType.EDITABLE if it was 463 * not already editable. Commas are excluded as they are added automatically 464 * by the view. 465 */ 466 @Override 467 public void append(CharSequence text, int start, int end) { 468 // We don't care about watching text changes while appending. 469 if (mTextWatcher != null) { 470 removeTextChangedListener(mTextWatcher); 471 } 472 super.append(text, start, end); 473 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 474 String displayString = text.toString(); 475 476 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 477 // We have no separator, so we should add it 478 super.append(SEPARATOR, 0, SEPARATOR.length()); 479 displayString += SEPARATOR; 480 } 481 482 if (!TextUtils.isEmpty(displayString) 483 && TextUtils.getTrimmedLength(displayString) > 0) { 484 mPendingChipsCount++; 485 mPendingChips.add(displayString); 486 } 487 } 488 // Put a message on the queue to make sure we ALWAYS handle pending 489 // chips. 490 if (mPendingChipsCount > 0) { 491 postHandlePendingChips(); 492 } 493 mHandler.post(mAddTextWatcher); 494 } 495 496 @Override 497 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 498 super.onFocusChanged(hasFocus, direction, previous); 499 if (!hasFocus) { 500 shrink(); 501 } else { 502 expand(); 503 } 504 } 505 506 private int getExcessTopPadding() { 507 if (sExcessTopPadding == -1) { 508 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 509 } 510 return sExcessTopPadding; 511 } 512 513 @Override 514 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 515 super.setAdapter(adapter); 516 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 517 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 518 @Override 519 public void onChanged(List<RecipientEntry> entries) { 520 // Scroll the chips field to the top of the screen so 521 // that the user can see as many results as possible. 522 if (entries != null && entries.size() > 0) { 523 scrollBottomIntoView(); 524 } 525 } 526 }); 527 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 528 } 529 530 protected void scrollBottomIntoView() { 531 if (mScrollView != null && mShouldShrink) { 532 int[] location = new int[2]; 533 getLocationOnScreen(location); 534 int height = getHeight(); 535 int currentPos = location[1] + height; 536 // Desired position shows at least 1 line of chips below the action 537 // bar. We add excess padding to make sure this is always below other 538 // content. 539 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 540 if (currentPos > desiredPos) { 541 mScrollView.scrollBy(0, currentPos - desiredPos); 542 } 543 } 544 } 545 546 protected ScrollView getScrollView() { 547 return mScrollView; 548 } 549 550 @Override 551 public void performValidation() { 552 // Do nothing. Chips handles its own validation. 553 } 554 555 private void shrink() { 556 if (mTokenizer == null) { 557 return; 558 } 559 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 560 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 561 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 562 clearSelectedChip(); 563 } else { 564 if (getWidth() <= 0) { 565 // We don't have the width yet which means the view hasn't been drawn yet 566 // and there is no reason to attempt to commit chips yet. 567 // This focus lost must be the result of an orientation change 568 // or an initial rendering. 569 // Re-post the shrink for later. 570 mHandler.removeCallbacks(mDelayedShrink); 571 mHandler.post(mDelayedShrink); 572 return; 573 } 574 // Reset any pending chips as they would have been handled 575 // when the field lost focus. 576 if (mPendingChipsCount > 0) { 577 postHandlePendingChips(); 578 } else { 579 Editable editable = getText(); 580 int end = getSelectionEnd(); 581 int start = mTokenizer.findTokenStart(editable, end); 582 DrawableRecipientChip[] chips = 583 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 584 if ((chips == null || chips.length == 0)) { 585 Editable text = getText(); 586 int whatEnd = mTokenizer.findTokenEnd(text, start); 587 // This token was already tokenized, so skip past the ending token. 588 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 589 whatEnd = movePastTerminators(whatEnd); 590 } 591 // In the middle of chip; treat this as an edit 592 // and commit the whole token. 593 int selEnd = getSelectionEnd(); 594 if (whatEnd != selEnd) { 595 handleEdit(start, whatEnd); 596 } else { 597 commitChip(start, end, editable); 598 } 599 } 600 } 601 mHandler.post(mAddTextWatcher); 602 } 603 createMoreChip(); 604 } 605 606 private void expand() { 607 if (mShouldShrink) { 608 setMaxLines(Integer.MAX_VALUE); 609 } 610 removeMoreChip(); 611 setCursorVisible(true); 612 Editable text = getText(); 613 setSelection(text != null && text.length() > 0 ? text.length() : 0); 614 // If there are any temporary chips, try replacing them now that the user 615 // has expanded the field. 616 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 617 new RecipientReplacementTask().execute(); 618 mTemporaryRecipients = null; 619 } 620 } 621 622 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 623 paint.setTextSize(mChipFontSize); 624 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 625 Log.d(TAG, "Max width is negative: " + maxWidth); 626 } 627 return TextUtils.ellipsize(text, paint, maxWidth, 628 TextUtils.TruncateAt.END); 629 } 630 631 /** 632 * Creates a bitmap of the given contact on a selected chip. 633 * 634 * @param contact The recipient entry to pull data from. 635 * @param paint The paint to use to draw the bitmap. 636 */ 637 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 638 paint.setColor(sSelectedTextColor); 639 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 640 mChipBackgroundPressed); 641 642 if (bitmapContainer.loadIcon) { 643 if (mDisableDelete) { 644 // Show the avatar instead if we don't want to delete 645 loadAvatarIcon(contact, bitmapContainer, paint); 646 } else { 647 drawIcon(bitmapContainer, ((BitmapDrawable) mChipDelete).getBitmap(), paint); 648 } 649 } 650 651 return bitmapContainer.bitmap; 652 } 653 654 /** 655 * Creates a bitmap of the given contact on a selected chip. 656 * 657 * @param contact The recipient entry to pull data from. 658 * @param paint The paint to use to draw the bitmap. 659 */ 660 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 661 Drawable background = getChipBackground(contact); 662 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 663 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, background); 664 665 if (bitmapContainer.loadIcon) { 666 loadAvatarIcon(contact, bitmapContainer, paint); 667 } 668 return bitmapContainer.bitmap; 669 } 670 671 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 672 Drawable background) { 673 final ChipBitmapContainer result = new ChipBitmapContainer(); 674 675 if (background == null) { 676 Log.w(TAG, "Unable to draw a background for the chip as it was never set"); 677 result.bitmap = Bitmap.createBitmap( 678 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 679 result.loadIcon = false; 680 return result; 681 } 682 683 Rect backgroundPadding = new Rect(); 684 background.getPadding(backgroundPadding); 685 686 // Ellipsize the text so that it takes AT MOST the entire width of the 687 // autocomplete text entry area. Make sure to leave space for padding 688 // on the sides. 689 int height = (int) mChipHeight; 690 // Since the icon is a square, it's width is equal to the maximum height it can be inside 691 // the chip. 692 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 693 float[] widths = new float[1]; 694 paint.getTextWidths(" ", widths); 695 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 696 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 697 - backgroundPadding.right);; 698 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 699 700 // Make sure there is a minimum chip width so the user can ALWAYS 701 // tap a chip without difficulty. 702 int width = Math.max(iconWidth * 2, textWidth + mChipTextStartPadding + mChipTextEndPadding 703 + iconWidth + backgroundPadding.left + backgroundPadding.right); 704 705 // Create the background of the chip. 706 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 707 final Canvas canvas = new Canvas(result.bitmap); 708 709 // Draw the background drawable 710 background.setBounds(0, 0, width, height); 711 background.draw(canvas); 712 // Draw the text vertically aligned 713 int textX = shouldPositionAvatarOnRight() ? 714 mChipTextEndPadding + backgroundPadding.left : 715 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 716 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 717 textX, getTextYOffset(height), paint); 718 719 // Set the variables that are needed to draw the icon bitmap once it's loaded 720 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 721 backgroundPadding.left; 722 result.left = iconX; 723 result.top = backgroundPadding.top; 724 result.right = iconX + iconWidth; 725 result.bottom = height - backgroundPadding.bottom; 726 727 return result; 728 } 729 730 /** 731 * Helper function that draws the loaded icon bitmap into the chips bitmap 732 */ 733 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon, Paint paint) { 734 final Canvas canvas = new Canvas(bitMapResult.bitmap); 735 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 736 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 737 bitMapResult.bottom); 738 drawIconOnCanvas(icon, canvas, paint, src, dst); 739 } 740 741 /** 742 * Returns true if the avatar should be positioned at the right edge of the chip. 743 * Takes into account both the set avatar position (start or end) as well as whether 744 * the layout direction is LTR or RTL. 745 */ 746 private boolean shouldPositionAvatarOnRight() { 747 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 748 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 749 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 750 // If in Rtl mode, the position should be flipped. 751 return isRtl ? !assignedPosition : assignedPosition; 752 } 753 754 /** 755 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 756 * draw an icon for this recipient. 757 */ 758 private void loadAvatarIcon(final RecipientEntry contact, 759 final ChipBitmapContainer bitmapContainer, final Paint paint) { 760 // Don't draw photos for recipients that have been typed in OR generated on the fly. 761 long contactId = contact.getContactId(); 762 boolean drawPhotos = isPhoneQuery() ? 763 contactId != RecipientEntry.INVALID_CONTACT 764 : (contactId != RecipientEntry.INVALID_CONTACT 765 && (contactId != RecipientEntry.GENERATED_CONTACT && 766 !TextUtils.isEmpty(contact.getDisplayName()))); 767 768 if (drawPhotos) { 769 final byte[] origPhotoBytes = contact.getPhotoBytes(); 770 // There may not be a photo yet if anything but the first contact address 771 // was selected. 772 if (origPhotoBytes == null) { 773 // TODO: cache this in the recipient entry? 774 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 775 @Override 776 public void onPhotoBytesPopulated() { 777 // Call through to the async version which will ensure 778 // proper threading. 779 onPhotoBytesAsynchronouslyPopulated(); 780 } 781 782 @Override 783 public void onPhotoBytesAsynchronouslyPopulated() { 784 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 785 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 786 loadedPhotoBytes.length); 787 tryDrawAndInvalidate(icon); 788 } 789 790 @Override 791 public void onPhotoBytesAsyncLoadFailed() { 792 // TODO: can the scaled down default photo be cached? 793 tryDrawAndInvalidate(mDefaultContactPhoto); 794 } 795 796 private void tryDrawAndInvalidate(Bitmap icon) { 797 drawIcon(bitmapContainer, icon, paint); 798 // The caller might originated from a background task. However, if the 799 // background task has already completed, the view might be already drawn 800 // on the UI but the callback would happen on the background thread. 801 // So if we are on a background thread, post an invalidate call to the UI. 802 if (Looper.myLooper() == Looper.getMainLooper()) { 803 // The view might not redraw itself since it's loaded asynchronously 804 invalidate(); 805 } else { 806 post(new Runnable() { 807 @Override 808 public void run() { 809 invalidate(); 810 } 811 }); 812 } 813 } 814 }); 815 } else { 816 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 817 origPhotoBytes.length); 818 drawIcon(bitmapContainer, icon, paint); 819 } 820 } 821 } 822 823 /** 824 * Get the background drawable for a RecipientChip. 825 */ 826 // Visible for testing. 827 /* package */Drawable getChipBackground(RecipientEntry contact) { 828 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 829 } 830 831 /** 832 * Given a height, returns a Y offset that will draw the text in the middle of the height. 833 */ 834 protected float getTextYOffset(int height) { 835 return height - ((height - mTextHeight) / 2); 836 } 837 838 /** 839 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 840 * rectangle of the canvas. 841 */ 842 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 843 final Matrix matrix = new Matrix(); 844 845 // Draw bitmap through shader first. 846 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 847 matrix.reset(); 848 849 // Fit bitmap to bounds. 850 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 851 852 shader.setLocalMatrix(matrix); 853 paint.reset(); 854 paint.setShader(shader); 855 paint.setAntiAlias(true); 856 paint.setFilterBitmap(true); 857 paint.setDither(true); 858 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, paint); 859 860 // Then draw the border. 861 final float borderWidth = 1f; 862 paint.reset(); 863 paint.setColor(Color.TRANSPARENT); 864 paint.setStyle(Style.STROKE); 865 paint.setStrokeWidth(borderWidth); 866 paint.setAntiAlias(true); 867 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, paint); 868 869 paint.reset(); 870 } 871 872 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 873 throws NullPointerException { 874 if (mChipBackground == null) { 875 throw new NullPointerException( 876 "Unable to render any chips as setChipDimensions was not called."); 877 } 878 879 TextPaint paint = getPaint(); 880 float defaultSize = paint.getTextSize(); 881 int defaultColor = paint.getColor(); 882 883 Bitmap tmpBitmap; 884 if (pressed) { 885 tmpBitmap = createSelectedChip(contact, paint); 886 887 } else { 888 tmpBitmap = createUnselectedChip(contact, paint); 889 } 890 891 // Pass the full text, un-ellipsized, to the chip. 892 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 893 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 894 DrawableRecipientChip recipientChip = 895 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 896 // Return text to the original size. 897 paint.setTextSize(defaultSize); 898 paint.setColor(defaultColor); 899 return recipientChip; 900 } 901 902 private int getImageSpanAlignment() { 903 switch (mImageSpanAlignment) { 904 case IMAGE_SPAN_ALIGNMENT_BASELINE: 905 return ImageSpan.ALIGN_BASELINE; 906 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 907 return ImageSpan.ALIGN_BOTTOM; 908 default: 909 return ImageSpan.ALIGN_BOTTOM; 910 } 911 } 912 913 /** 914 * Calculate the bottom of the line the chip will be located on using: 915 * 1) which line the chip appears on 916 * 2) the height of a chip 917 * 3) padding built into the edit text view 918 */ 919 private int calculateOffsetFromBottom(int line) { 920 // Line offsets start at zero. 921 int actualLine = getLineCount() - (line + 1); 922 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 923 + getDropDownVerticalOffset(); 924 } 925 926 /** 927 * Calculate the offset from bottom of the EditText to top of the provided line. 928 */ 929 private int calculateOffsetFromBottomToTop(int line) { 930 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 931 .abs(getLineCount() - line)) + getPaddingBottom()); 932 } 933 934 /** 935 * Get the max amount of space a chip can take up. The formula takes into 936 * account the width of the EditTextView, any view padding, and padding 937 * that will be added to the chip. 938 */ 939 private float calculateAvailableWidth() { 940 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 941 - mChipTextEndPadding; 942 } 943 944 945 private void setChipDimensions(Context context, AttributeSet attrs) { 946 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 947 0); 948 Resources r = getContext().getResources(); 949 950 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 951 if (mChipBackground == null) { 952 mChipBackground = r.getDrawable(R.drawable.chip_background); 953 } 954 mChipBackgroundPressed = a 955 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 956 if (mChipBackgroundPressed == null) { 957 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 958 } 959 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 960 if (mChipDelete == null) { 961 mChipDelete = r.getDrawable(R.drawable.chip_delete); 962 } 963 mChipTextStartPadding = mChipTextEndPadding 964 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 965 if (mChipTextStartPadding == -1) { 966 mChipTextStartPadding = mChipTextEndPadding = 967 (int) r.getDimension(R.dimen.chip_padding); 968 } 969 // xml-overrides for each individual padding 970 // TODO: add these to attr? 971 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 972 if (overridePadding >= 0) { 973 mChipTextStartPadding = overridePadding; 974 } 975 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 976 if (overridePadding >= 0) { 977 mChipTextEndPadding = overridePadding; 978 } 979 980 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 981 982 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 983 984 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 985 if (mChipHeight == -1) { 986 mChipHeight = r.getDimension(R.dimen.chip_height); 987 } 988 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 989 if (mChipFontSize == -1) { 990 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 991 } 992 mInvalidChipBackground = a 993 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 994 if (mInvalidChipBackground == null) { 995 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 996 } 997 mAvatarPosition = 998 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 999 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 1000 IMAGE_SPAN_ALIGNMENT_BASELINE); 1001 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 1002 1003 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 1004 mMaxLines = r.getInteger(R.integer.chips_max_lines); 1005 TypedValue tv = new TypedValue(); 1006 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 1007 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 1008 .getDisplayMetrics()); 1009 } 1010 1011 a.recycle(); 1012 } 1013 1014 // Visible for testing. 1015 /* package */ void setMoreItem(TextView moreItem) { 1016 mMoreItem = moreItem; 1017 } 1018 1019 1020 // Visible for testing. 1021 /* package */ void setChipBackground(Drawable chipBackground) { 1022 mChipBackground = chipBackground; 1023 } 1024 1025 // Visible for testing. 1026 /* package */ void setChipHeight(int height) { 1027 mChipHeight = height; 1028 } 1029 1030 public float getChipHeight() { 1031 return mChipHeight; 1032 } 1033 1034 /** 1035 * Set whether to shrink the recipients field such that at most 1036 * one line of recipients chips are shown when the field loses 1037 * focus. By default, the number of displayed recipients will be 1038 * limited and a "more" chip will be shown when focus is lost. 1039 * @param shrink 1040 */ 1041 public void setOnFocusListShrinkRecipients(boolean shrink) { 1042 mShouldShrink = shrink; 1043 } 1044 1045 @Override 1046 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1047 super.onSizeChanged(width, height, oldw, oldh); 1048 if (width != 0 && height != 0) { 1049 if (mPendingChipsCount > 0) { 1050 postHandlePendingChips(); 1051 } else { 1052 checkChipWidths(); 1053 } 1054 } 1055 // Try to find the scroll view parent, if it exists. 1056 if (mScrollView == null && !mTriedGettingScrollView) { 1057 ViewParent parent = getParent(); 1058 while (parent != null && !(parent instanceof ScrollView)) { 1059 parent = parent.getParent(); 1060 } 1061 if (parent != null) { 1062 mScrollView = (ScrollView) parent; 1063 } 1064 mTriedGettingScrollView = true; 1065 } 1066 } 1067 1068 private void postHandlePendingChips() { 1069 mHandler.removeCallbacks(mHandlePendingChips); 1070 mHandler.post(mHandlePendingChips); 1071 } 1072 1073 private void checkChipWidths() { 1074 // Check the widths of the associated chips. 1075 DrawableRecipientChip[] chips = getSortedRecipients(); 1076 if (chips != null) { 1077 Rect bounds; 1078 for (DrawableRecipientChip chip : chips) { 1079 bounds = chip.getBounds(); 1080 if (getWidth() > 0 && bounds.right - bounds.left > 1081 getWidth() - getPaddingLeft() - getPaddingRight()) { 1082 // Need to redraw that chip. 1083 replaceChip(chip, chip.getEntry()); 1084 } 1085 } 1086 } 1087 } 1088 1089 // Visible for testing. 1090 /*package*/ void handlePendingChips() { 1091 if (getViewWidth() <= 0) { 1092 // The widget has not been sized yet. 1093 // This will be called as a result of onSizeChanged 1094 // at a later point. 1095 return; 1096 } 1097 if (mPendingChipsCount <= 0) { 1098 return; 1099 } 1100 1101 synchronized (mPendingChips) { 1102 Editable editable = getText(); 1103 // Tokenize! 1104 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1105 for (int i = 0; i < mPendingChips.size(); i++) { 1106 String current = mPendingChips.get(i); 1107 int tokenStart = editable.toString().indexOf(current); 1108 // Always leave a space at the end between tokens. 1109 int tokenEnd = tokenStart + current.length() - 1; 1110 if (tokenStart >= 0) { 1111 // When we have a valid token, include it with the token 1112 // to the left. 1113 if (tokenEnd < editable.length() - 2 1114 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1115 tokenEnd++; 1116 } 1117 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1118 || !mShouldShrink); 1119 } 1120 mPendingChipsCount--; 1121 } 1122 sanitizeEnd(); 1123 } else { 1124 mNoChips = true; 1125 } 1126 1127 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1128 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1129 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1130 new RecipientReplacementTask().execute(); 1131 mTemporaryRecipients = null; 1132 } else { 1133 // Create the "more" chip 1134 mIndividualReplacements = new IndividualReplacementTask(); 1135 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1136 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1137 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1138 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1139 mTemporaryRecipients.subList(CHIP_LIMIT, 1140 mTemporaryRecipients.size())); 1141 } else { 1142 mTemporaryRecipients = null; 1143 } 1144 createMoreChip(); 1145 } 1146 } else { 1147 // There are too many recipients to look up, so just fall back 1148 // to showing addresses for all of them. 1149 mTemporaryRecipients = null; 1150 createMoreChip(); 1151 } 1152 mPendingChipsCount = 0; 1153 mPendingChips.clear(); 1154 } 1155 } 1156 1157 // Visible for testing. 1158 /*package*/ int getViewWidth() { 1159 return getWidth(); 1160 } 1161 1162 /** 1163 * Remove any characters after the last valid chip. 1164 */ 1165 // Visible for testing. 1166 /*package*/ void sanitizeEnd() { 1167 // Don't sanitize while we are waiting for pending chips to complete. 1168 if (mPendingChipsCount > 0) { 1169 return; 1170 } 1171 // Find the last chip; eliminate any commit characters after it. 1172 DrawableRecipientChip[] chips = getSortedRecipients(); 1173 Spannable spannable = getSpannable(); 1174 if (chips != null && chips.length > 0) { 1175 int end; 1176 mMoreChip = getMoreChip(); 1177 if (mMoreChip != null) { 1178 end = spannable.getSpanEnd(mMoreChip); 1179 } else { 1180 end = getSpannable().getSpanEnd(getLastChip()); 1181 } 1182 Editable editable = getText(); 1183 int length = editable.length(); 1184 if (length > end) { 1185 // See what characters occur after that and eliminate them. 1186 if (Log.isLoggable(TAG, Log.DEBUG)) { 1187 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1188 + editable); 1189 } 1190 editable.delete(end + 1, length); 1191 } 1192 } 1193 } 1194 1195 /** 1196 * Create a chip that represents just the email address of a recipient. At some later 1197 * point, this chip will be attached to a real contact entry, if one exists. 1198 */ 1199 // VisibleForTesting 1200 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1201 boolean visible) { 1202 if (alreadyHasChip(tokenStart, tokenEnd)) { 1203 // There is already a chip present at this location. 1204 // Don't recreate it. 1205 return; 1206 } 1207 String token = editable.toString().substring(tokenStart, tokenEnd); 1208 final String trimmedToken = token.trim(); 1209 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1210 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1211 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1212 } 1213 RecipientEntry entry = createTokenizedEntry(token); 1214 if (entry != null) { 1215 DrawableRecipientChip chip = null; 1216 try { 1217 if (!mNoChips) { 1218 chip = visible ? 1219 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1220 } 1221 } catch (NullPointerException e) { 1222 Log.e(TAG, e.getMessage(), e); 1223 } 1224 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1225 // Add this chip to the list of entries "to replace" 1226 if (chip != null) { 1227 if (mTemporaryRecipients == null) { 1228 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1229 } 1230 chip.setOriginalText(token); 1231 mTemporaryRecipients.add(chip); 1232 } 1233 } 1234 } 1235 1236 private static boolean isPhoneNumber(String number) { 1237 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1238 // PhoneNumberUtil). One complication is that it requires the sender's region which 1239 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1240 if (TextUtils.isEmpty(number)) { 1241 return false; 1242 } 1243 1244 Matcher match = PHONE_PATTERN.matcher(number); 1245 return match.matches(); 1246 } 1247 1248 // VisibleForTesting 1249 RecipientEntry createTokenizedEntry(final String token) { 1250 if (TextUtils.isEmpty(token)) { 1251 return null; 1252 } 1253 if (isPhoneQuery() && isPhoneNumber(token)) { 1254 return RecipientEntry.constructFakePhoneEntry(token, true); 1255 } 1256 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1257 String display = null; 1258 boolean isValid = isValid(token); 1259 if (isValid && tokens != null && tokens.length > 0) { 1260 // If we can get a name from tokenizing, then generate an entry from 1261 // this. 1262 display = tokens[0].getName(); 1263 if (!TextUtils.isEmpty(display)) { 1264 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1265 isValid); 1266 } else { 1267 display = tokens[0].getAddress(); 1268 if (!TextUtils.isEmpty(display)) { 1269 return RecipientEntry.constructFakeEntry(display, isValid); 1270 } 1271 } 1272 } 1273 // Unable to validate the token or to create a valid token from it. 1274 // Just create a chip the user can edit. 1275 String validatedToken = null; 1276 if (mValidator != null && !isValid) { 1277 // Try fixing up the entry using the validator. 1278 validatedToken = mValidator.fixText(token).toString(); 1279 if (!TextUtils.isEmpty(validatedToken)) { 1280 if (validatedToken.contains(token)) { 1281 // protect against the case of a validator with a null 1282 // domain, 1283 // which doesn't add a domain to the token 1284 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1285 if (tokenized.length > 0) { 1286 validatedToken = tokenized[0].getAddress(); 1287 isValid = true; 1288 } 1289 } else { 1290 // We ran into a case where the token was invalid and 1291 // removed 1292 // by the validator. In this case, just use the original 1293 // token 1294 // and let the user sort out the error chip. 1295 validatedToken = null; 1296 isValid = false; 1297 } 1298 } 1299 } 1300 // Otherwise, fallback to just creating an editable email address chip. 1301 return RecipientEntry.constructFakeEntry( 1302 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1303 } 1304 1305 private boolean isValid(String text) { 1306 return mValidator == null ? true : mValidator.isValid(text); 1307 } 1308 1309 private static String tokenizeAddress(String destination) { 1310 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1311 if (tokens != null && tokens.length > 0) { 1312 return tokens[0].getAddress(); 1313 } 1314 return destination; 1315 } 1316 1317 @Override 1318 public void setTokenizer(Tokenizer tokenizer) { 1319 mTokenizer = tokenizer; 1320 super.setTokenizer(mTokenizer); 1321 } 1322 1323 @Override 1324 public void setValidator(Validator validator) { 1325 mValidator = validator; 1326 super.setValidator(validator); 1327 } 1328 1329 /** 1330 * We cannot use the default mechanism for replaceText. Instead, 1331 * we override onItemClickListener so we can get all the associated 1332 * contact information including display text, address, and id. 1333 */ 1334 @Override 1335 protected void replaceText(CharSequence text) { 1336 return; 1337 } 1338 1339 /** 1340 * Dismiss any selected chips when the back key is pressed. 1341 */ 1342 @Override 1343 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1344 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1345 clearSelectedChip(); 1346 return true; 1347 } 1348 return super.onKeyPreIme(keyCode, event); 1349 } 1350 1351 /** 1352 * Monitor key presses in this view to see if the user types 1353 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1354 * If the user has entered text that has contact matches and types 1355 * a commit key, create a chip from the topmost matching contact. 1356 * If the user has entered text that has no contact matches and types 1357 * a commit key, then create a chip from the text they have entered. 1358 */ 1359 @Override 1360 public boolean onKeyUp(int keyCode, KeyEvent event) { 1361 switch (keyCode) { 1362 case KeyEvent.KEYCODE_TAB: 1363 if (event.hasNoModifiers()) { 1364 if (mSelectedChip != null) { 1365 clearSelectedChip(); 1366 } else { 1367 commitDefault(); 1368 } 1369 } 1370 break; 1371 } 1372 return super.onKeyUp(keyCode, event); 1373 } 1374 1375 private boolean focusNext() { 1376 View next = focusSearch(View.FOCUS_DOWN); 1377 if (next != null) { 1378 next.requestFocus(); 1379 return true; 1380 } 1381 return false; 1382 } 1383 1384 /** 1385 * Create a chip from the default selection. If the popup is showing, the 1386 * default is the selected item (if one is selected), or the first item, in the popup 1387 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1388 * tokenizer should search for a token to turn into a chip. 1389 * @return If a chip was created from a real contact. 1390 */ 1391 private boolean commitDefault() { 1392 // If there is no tokenizer, don't try to commit. 1393 if (mTokenizer == null) { 1394 return false; 1395 } 1396 Editable editable = getText(); 1397 int end = getSelectionEnd(); 1398 int start = mTokenizer.findTokenStart(editable, end); 1399 1400 if (shouldCreateChip(start, end)) { 1401 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1402 // In the middle of chip; treat this as an edit 1403 // and commit the whole token. 1404 whatEnd = movePastTerminators(whatEnd); 1405 if (whatEnd != getSelectionEnd()) { 1406 handleEdit(start, whatEnd); 1407 return true; 1408 } 1409 return commitChip(start, end , editable); 1410 } 1411 return false; 1412 } 1413 1414 private void commitByCharacter() { 1415 // We can't possibly commit by character if we can't tokenize. 1416 if (mTokenizer == null) { 1417 return; 1418 } 1419 Editable editable = getText(); 1420 int end = getSelectionEnd(); 1421 int start = mTokenizer.findTokenStart(editable, end); 1422 if (shouldCreateChip(start, end)) { 1423 commitChip(start, end, editable); 1424 } 1425 setSelection(getText().length()); 1426 } 1427 1428 private boolean commitChip(int start, int end, Editable editable) { 1429 ListAdapter adapter = getAdapter(); 1430 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1431 && end == getSelectionEnd() && !isPhoneQuery()) { 1432 // let's choose the selected or first entry if only the input text is NOT an email 1433 // address so we won't try to replace the user's potentially correct but 1434 // new/unencountered email input 1435 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1436 final int selectedPosition = getListSelection(); 1437 if (selectedPosition == -1) { 1438 // Nothing is selected; use the first item 1439 submitItemAtPosition(0); 1440 } else { 1441 submitItemAtPosition(selectedPosition); 1442 } 1443 } 1444 dismissDropDown(); 1445 return true; 1446 } else { 1447 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1448 if (editable.length() > tokenEnd + 1) { 1449 char charAt = editable.charAt(tokenEnd + 1); 1450 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1451 tokenEnd++; 1452 } 1453 } 1454 String text = editable.toString().substring(start, tokenEnd).trim(); 1455 clearComposingText(); 1456 if (text != null && text.length() > 0 && !text.equals(" ")) { 1457 RecipientEntry entry = createTokenizedEntry(text); 1458 if (entry != null) { 1459 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1460 CharSequence chipText = createChip(entry, false); 1461 if (chipText != null && start > -1 && end > -1) { 1462 editable.replace(start, end, chipText); 1463 } 1464 } 1465 // Only dismiss the dropdown if it is related to the text we 1466 // just committed. 1467 // For paste, it may not be as there are possibly multiple 1468 // tokens being added. 1469 if (end == getSelectionEnd()) { 1470 dismissDropDown(); 1471 } 1472 sanitizeBetween(); 1473 return true; 1474 } 1475 } 1476 return false; 1477 } 1478 1479 // Visible for testing. 1480 /* package */ void sanitizeBetween() { 1481 // Don't sanitize while we are waiting for content to chipify. 1482 if (mPendingChipsCount > 0) { 1483 return; 1484 } 1485 // Find the last chip. 1486 DrawableRecipientChip[] recips = getSortedRecipients(); 1487 if (recips != null && recips.length > 0) { 1488 DrawableRecipientChip last = recips[recips.length - 1]; 1489 DrawableRecipientChip beforeLast = null; 1490 if (recips.length > 1) { 1491 beforeLast = recips[recips.length - 2]; 1492 } 1493 int startLooking = 0; 1494 int end = getSpannable().getSpanStart(last); 1495 if (beforeLast != null) { 1496 startLooking = getSpannable().getSpanEnd(beforeLast); 1497 Editable text = getText(); 1498 if (startLooking == -1 || startLooking > text.length() - 1) { 1499 // There is nothing after this chip. 1500 return; 1501 } 1502 if (text.charAt(startLooking) == ' ') { 1503 startLooking++; 1504 } 1505 } 1506 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1507 getText().delete(startLooking, end); 1508 } 1509 } 1510 } 1511 1512 private boolean shouldCreateChip(int start, int end) { 1513 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1514 } 1515 1516 private boolean alreadyHasChip(int start, int end) { 1517 if (mNoChips) { 1518 return true; 1519 } 1520 DrawableRecipientChip[] chips = 1521 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1522 if ((chips == null || chips.length == 0)) { 1523 return false; 1524 } 1525 return true; 1526 } 1527 1528 private void handleEdit(int start, int end) { 1529 if (start == -1 || end == -1) { 1530 // This chip no longer exists in the field. 1531 dismissDropDown(); 1532 return; 1533 } 1534 // This is in the middle of a chip, so select out the whole chip 1535 // and commit it. 1536 Editable editable = getText(); 1537 setSelection(end); 1538 String text = getText().toString().substring(start, end); 1539 if (!TextUtils.isEmpty(text)) { 1540 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1541 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1542 CharSequence chipText = createChip(entry, false); 1543 int selEnd = getSelectionEnd(); 1544 if (chipText != null && start > -1 && selEnd > -1) { 1545 editable.replace(start, selEnd, chipText); 1546 } 1547 } 1548 dismissDropDown(); 1549 } 1550 1551 /** 1552 * If there is a selected chip, delegate the key events 1553 * to the selected chip. 1554 */ 1555 @Override 1556 public boolean onKeyDown(int keyCode, KeyEvent event) { 1557 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1558 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1559 mAlternatesPopup.dismiss(); 1560 } 1561 removeChip(mSelectedChip); 1562 } 1563 1564 switch (keyCode) { 1565 case KeyEvent.KEYCODE_ENTER: 1566 case KeyEvent.KEYCODE_DPAD_CENTER: 1567 if (event.hasNoModifiers()) { 1568 if (commitDefault()) { 1569 return true; 1570 } 1571 if (mSelectedChip != null) { 1572 clearSelectedChip(); 1573 return true; 1574 } else if (focusNext()) { 1575 return true; 1576 } 1577 } 1578 break; 1579 } 1580 1581 return super.onKeyDown(keyCode, event); 1582 } 1583 1584 // Visible for testing. 1585 /* package */ Spannable getSpannable() { 1586 return getText(); 1587 } 1588 1589 private int getChipStart(DrawableRecipientChip chip) { 1590 return getSpannable().getSpanStart(chip); 1591 } 1592 1593 private int getChipEnd(DrawableRecipientChip chip) { 1594 return getSpannable().getSpanEnd(chip); 1595 } 1596 1597 /** 1598 * Instead of filtering on the entire contents of the edit box, 1599 * this subclass method filters on the range from 1600 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1601 * if the length of that range meets or exceeds {@link #getThreshold} 1602 * and makes sure that the range is not already a Chip. 1603 */ 1604 @Override 1605 protected void performFiltering(CharSequence text, int keyCode) { 1606 boolean isCompletedToken = isCompletedToken(text); 1607 if (enoughToFilter() && !isCompletedToken) { 1608 int end = getSelectionEnd(); 1609 int start = mTokenizer.findTokenStart(text, end); 1610 // If this is a RecipientChip, don't filter 1611 // on its contents. 1612 Spannable span = getSpannable(); 1613 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1614 if (chips != null && chips.length > 0) { 1615 dismissDropDown(); 1616 return; 1617 } 1618 } else if (isCompletedToken) { 1619 dismissDropDown(); 1620 return; 1621 } 1622 super.performFiltering(text, keyCode); 1623 } 1624 1625 // Visible for testing. 1626 /*package*/ boolean isCompletedToken(CharSequence text) { 1627 if (TextUtils.isEmpty(text)) { 1628 return false; 1629 } 1630 // Check to see if this is a completed token before filtering. 1631 int end = text.length(); 1632 int start = mTokenizer.findTokenStart(text, end); 1633 String token = text.toString().substring(start, end).trim(); 1634 if (!TextUtils.isEmpty(token)) { 1635 char atEnd = token.charAt(token.length() - 1); 1636 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1637 } 1638 return false; 1639 } 1640 1641 private void clearSelectedChip() { 1642 if (mSelectedChip != null) { 1643 unselectChip(mSelectedChip); 1644 mSelectedChip = null; 1645 } 1646 setCursorVisible(true); 1647 } 1648 1649 /** 1650 * Monitor touch events in the RecipientEditTextView. 1651 * If the view does not have focus, any tap on the view 1652 * will just focus the view. If the view has focus, determine 1653 * if the touch target is a recipient chip. If it is and the chip 1654 * is not selected, select it and clear any other selected chips. 1655 * If it isn't, then select that chip. 1656 */ 1657 @Override 1658 public boolean onTouchEvent(MotionEvent event) { 1659 if (!isFocused()) { 1660 // Ignore any chip taps until this view is focused. 1661 return super.onTouchEvent(event); 1662 } 1663 boolean handled = super.onTouchEvent(event); 1664 int action = event.getAction(); 1665 boolean chipWasSelected = false; 1666 if (mSelectedChip == null) { 1667 mGestureDetector.onTouchEvent(event); 1668 } 1669 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1670 float x = event.getX(); 1671 float y = event.getY(); 1672 int offset = putOffsetInRange(x, y); 1673 DrawableRecipientChip currentChip = findChip(offset); 1674 if (currentChip != null) { 1675 if (action == MotionEvent.ACTION_UP) { 1676 if (mSelectedChip != null && mSelectedChip != currentChip) { 1677 clearSelectedChip(); 1678 mSelectedChip = selectChip(currentChip); 1679 } else if (mSelectedChip == null) { 1680 setSelection(getText().length()); 1681 commitDefault(); 1682 mSelectedChip = selectChip(currentChip); 1683 } else { 1684 onClick(mSelectedChip, offset, x, y); 1685 } 1686 } 1687 chipWasSelected = true; 1688 handled = true; 1689 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1690 chipWasSelected = true; 1691 } 1692 } 1693 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1694 clearSelectedChip(); 1695 } 1696 return handled; 1697 } 1698 1699 private void scrollLineIntoView(int line) { 1700 if (mScrollView != null) { 1701 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1702 } 1703 } 1704 1705 private void showAlternates(final DrawableRecipientChip currentChip, 1706 final ListPopupWindow alternatesPopup, final int width) { 1707 new AsyncTask<Void, Void, ListAdapter>() { 1708 @Override 1709 protected ListAdapter doInBackground(final Void... params) { 1710 return createAlternatesAdapter(currentChip); 1711 } 1712 1713 @Override 1714 protected void onPostExecute(final ListAdapter result) { 1715 if (!mAttachedToWindow) { 1716 return; 1717 } 1718 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1719 int bottomOffset = calculateOffsetFromBottomToTop(line); 1720 1721 // Align the alternates popup with the left side of the View, 1722 // regardless of the position of the chip tapped. 1723 alternatesPopup.setWidth(width); 1724 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1725 alternatesPopup.setVerticalOffset(bottomOffset); 1726 alternatesPopup.setAdapter(result); 1727 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1728 // Clear the checked item. 1729 mCheckedItem = -1; 1730 alternatesPopup.show(); 1731 ListView listView = alternatesPopup.getListView(); 1732 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1733 // Checked item would be -1 if the adapter has not 1734 // loaded the view that should be checked yet. The 1735 // variable will be set correctly when onCheckedItemChanged 1736 // is called in a separate thread. 1737 if (mCheckedItem != -1) { 1738 listView.setItemChecked(mCheckedItem, true); 1739 mCheckedItem = -1; 1740 } 1741 } 1742 }.execute((Void[]) null); 1743 } 1744 1745 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1746 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1747 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1748 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1749 } 1750 1751 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1752 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1753 mDropdownChipLayouter); 1754 } 1755 1756 @Override 1757 public void onCheckedItemChanged(int position) { 1758 ListView listView = mAlternatesPopup.getListView(); 1759 if (listView != null && listView.getCheckedItemCount() == 0) { 1760 listView.setItemChecked(position, true); 1761 } 1762 mCheckedItem = position; 1763 } 1764 1765 private int putOffsetInRange(final float x, final float y) { 1766 final int offset; 1767 1768 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1769 offset = getOffsetForPosition(x, y); 1770 } else { 1771 offset = supportGetOffsetForPosition(x, y); 1772 } 1773 1774 return putOffsetInRange(offset); 1775 } 1776 1777 // TODO: This algorithm will need a lot of tweaking after more people have used 1778 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1779 // what comes before the finger. 1780 private int putOffsetInRange(int o) { 1781 int offset = o; 1782 Editable text = getText(); 1783 int length = text.length(); 1784 // Remove whitespace from end to find "real end" 1785 int realLength = length; 1786 for (int i = length - 1; i >= 0; i--) { 1787 if (text.charAt(i) == ' ') { 1788 realLength--; 1789 } else { 1790 break; 1791 } 1792 } 1793 1794 // If the offset is beyond or at the end of the text, 1795 // leave it alone. 1796 if (offset >= realLength) { 1797 return offset; 1798 } 1799 Editable editable = getText(); 1800 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1801 // Keep walking backward! 1802 offset--; 1803 } 1804 return offset; 1805 } 1806 1807 private static int findText(Editable text, int offset) { 1808 if (text.charAt(offset) != ' ') { 1809 return offset; 1810 } 1811 return -1; 1812 } 1813 1814 private DrawableRecipientChip findChip(int offset) { 1815 DrawableRecipientChip[] chips = 1816 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1817 // Find the chip that contains this offset. 1818 for (int i = 0; i < chips.length; i++) { 1819 DrawableRecipientChip chip = chips[i]; 1820 int start = getChipStart(chip); 1821 int end = getChipEnd(chip); 1822 if (offset >= start && offset <= end) { 1823 return chip; 1824 } 1825 } 1826 return null; 1827 } 1828 1829 // Visible for testing. 1830 // Use this method to generate text to add to the list of addresses. 1831 /* package */String createAddressText(RecipientEntry entry) { 1832 String display = entry.getDisplayName(); 1833 String address = entry.getDestination(); 1834 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1835 display = null; 1836 } 1837 String trimmedDisplayText; 1838 if (isPhoneQuery() && isPhoneNumber(address)) { 1839 trimmedDisplayText = address.trim(); 1840 } else { 1841 if (address != null) { 1842 // Tokenize out the address in case the address already 1843 // contained the username as well. 1844 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1845 if (tokenized != null && tokenized.length > 0) { 1846 address = tokenized[0].getAddress(); 1847 } 1848 } 1849 Rfc822Token token = new Rfc822Token(display, address, null); 1850 trimmedDisplayText = token.toString().trim(); 1851 } 1852 int index = trimmedDisplayText.indexOf(","); 1853 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1854 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1855 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1856 } 1857 1858 // Visible for testing. 1859 // Use this method to generate text to display in a chip. 1860 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1861 String display = entry.getDisplayName(); 1862 String address = entry.getDestination(); 1863 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1864 display = null; 1865 } 1866 if (!TextUtils.isEmpty(display)) { 1867 return display; 1868 } else if (!TextUtils.isEmpty(address)){ 1869 return address; 1870 } else { 1871 return new Rfc822Token(display, address, null).toString(); 1872 } 1873 } 1874 1875 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1876 String displayText = createAddressText(entry); 1877 if (TextUtils.isEmpty(displayText)) { 1878 return null; 1879 } 1880 SpannableString chipText = null; 1881 // Always leave a blank space at the end of a chip. 1882 int textLength = displayText.length() - 1; 1883 chipText = new SpannableString(displayText); 1884 if (!mNoChips) { 1885 try { 1886 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1887 chipText.setSpan(chip, 0, textLength, 1888 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1889 chip.setOriginalText(chipText.toString()); 1890 } catch (NullPointerException e) { 1891 Log.e(TAG, e.getMessage(), e); 1892 return null; 1893 } 1894 } 1895 onChipCreated(entry); 1896 return chipText; 1897 } 1898 1899 /** 1900 * A callback for subclasses to use to know when a chip was created with the 1901 * given RecipientEntry. 1902 */ 1903 protected void onChipCreated(RecipientEntry entry) {} 1904 1905 /** 1906 * When an item in the suggestions list has been clicked, create a chip from the 1907 * contact information of the selected item. 1908 */ 1909 @Override 1910 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1911 if (position < 0) { 1912 return; 1913 } 1914 1915 final int charactersTyped = submitItemAtPosition(position); 1916 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1917 mRecipientEntryItemClickedListener 1918 .onRecipientEntryItemClicked(charactersTyped, position); 1919 } 1920 } 1921 1922 private int submitItemAtPosition(int position) { 1923 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1924 if (entry == null) { 1925 return -1; 1926 } 1927 clearComposingText(); 1928 1929 int end = getSelectionEnd(); 1930 int start = mTokenizer.findTokenStart(getText(), end); 1931 1932 Editable editable = getText(); 1933 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1934 CharSequence chip = createChip(entry, false); 1935 if (chip != null && start >= 0 && end >= 0) { 1936 editable.replace(start, end, chip); 1937 } 1938 sanitizeBetween(); 1939 1940 return end - start; 1941 } 1942 1943 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1944 if (item == null) { 1945 return null; 1946 } 1947 final RecipientEntry entry; 1948 // If the display name and the address are the same, or if this is a 1949 // valid contact, but the destination is invalid, then make this a fake 1950 // recipient that is editable. 1951 String destination = item.getDestination(); 1952 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1953 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1954 destination, item.isValid()); 1955 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1956 && (TextUtils.isEmpty(item.getDisplayName()) 1957 || TextUtils.equals(item.getDisplayName(), destination) 1958 || (mValidator != null && !mValidator.isValid(destination)))) { 1959 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1960 } else { 1961 entry = item; 1962 } 1963 return entry; 1964 } 1965 1966 // Visible for testing. 1967 /* package */DrawableRecipientChip[] getSortedRecipients() { 1968 DrawableRecipientChip[] recips = getSpannable() 1969 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1970 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1971 Arrays.asList(recips)); 1972 final Spannable spannable = getSpannable(); 1973 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1974 1975 @Override 1976 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1977 int firstStart = spannable.getSpanStart(first); 1978 int secondStart = spannable.getSpanStart(second); 1979 if (firstStart < secondStart) { 1980 return -1; 1981 } else if (firstStart > secondStart) { 1982 return 1; 1983 } else { 1984 return 0; 1985 } 1986 } 1987 }); 1988 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1989 } 1990 1991 @Override 1992 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1993 return false; 1994 } 1995 1996 @Override 1997 public void onDestroyActionMode(ActionMode mode) { 1998 } 1999 2000 @Override 2001 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2002 return false; 2003 } 2004 2005 /** 2006 * No chips are selectable. 2007 */ 2008 @Override 2009 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2010 return false; 2011 } 2012 2013 // Visible for testing. 2014 /* package */ImageSpan getMoreChip() { 2015 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2016 MoreImageSpan.class); 2017 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2018 } 2019 2020 private MoreImageSpan createMoreSpan(int count) { 2021 String moreText = String.format(mMoreItem.getText().toString(), count); 2022 TextPaint morePaint = new TextPaint(getPaint()); 2023 morePaint.setTextSize(mMoreItem.getTextSize()); 2024 morePaint.setColor(mMoreItem.getCurrentTextColor()); 2025 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2026 + mMoreItem.getPaddingRight(); 2027 int height = getLineHeight(); 2028 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2029 Canvas canvas = new Canvas(drawable); 2030 int adjustedHeight = height; 2031 Layout layout = getLayout(); 2032 if (layout != null) { 2033 adjustedHeight -= layout.getLineDescent(0); 2034 } 2035 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 2036 2037 Drawable result = new BitmapDrawable(getResources(), drawable); 2038 result.setBounds(0, 0, width, height); 2039 return new MoreImageSpan(result); 2040 } 2041 2042 // Visible for testing. 2043 /*package*/ void createMoreChipPlainText() { 2044 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2045 Editable text = getText(); 2046 int start = 0; 2047 int end = start; 2048 for (int i = 0; i < CHIP_LIMIT; i++) { 2049 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2050 start = end; // move to the next token and get its end. 2051 } 2052 // Now, count total addresses. 2053 start = 0; 2054 int tokenCount = countTokens(text); 2055 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2056 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2057 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2058 text.replace(end, text.length(), chipText); 2059 mMoreChip = moreSpan; 2060 } 2061 2062 // Visible for testing. 2063 /* package */int countTokens(Editable text) { 2064 int tokenCount = 0; 2065 int start = 0; 2066 while (start < text.length()) { 2067 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2068 tokenCount++; 2069 if (start >= text.length()) { 2070 break; 2071 } 2072 } 2073 return tokenCount; 2074 } 2075 2076 /** 2077 * Create the more chip. The more chip is text that replaces any chips that 2078 * do not fit in the pre-defined available space when the 2079 * RecipientEditTextView loses focus. 2080 */ 2081 // Visible for testing. 2082 /* package */ void createMoreChip() { 2083 if (mNoChips) { 2084 createMoreChipPlainText(); 2085 return; 2086 } 2087 2088 if (!mShouldShrink) { 2089 return; 2090 } 2091 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2092 if (tempMore.length > 0) { 2093 getSpannable().removeSpan(tempMore[0]); 2094 } 2095 DrawableRecipientChip[] recipients = getSortedRecipients(); 2096 2097 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2098 mMoreChip = null; 2099 return; 2100 } 2101 Spannable spannable = getSpannable(); 2102 int numRecipients = recipients.length; 2103 int overage = numRecipients - CHIP_LIMIT; 2104 MoreImageSpan moreSpan = createMoreSpan(overage); 2105 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2106 int totalReplaceStart = 0; 2107 int totalReplaceEnd = 0; 2108 Editable text = getText(); 2109 for (int i = numRecipients - overage; i < recipients.length; i++) { 2110 mRemovedSpans.add(recipients[i]); 2111 if (i == numRecipients - overage) { 2112 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2113 } 2114 if (i == recipients.length - 1) { 2115 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2116 } 2117 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2118 int spanStart = spannable.getSpanStart(recipients[i]); 2119 int spanEnd = spannable.getSpanEnd(recipients[i]); 2120 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2121 } 2122 spannable.removeSpan(recipients[i]); 2123 } 2124 if (totalReplaceEnd < text.length()) { 2125 totalReplaceEnd = text.length(); 2126 } 2127 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2128 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2129 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2130 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2131 text.replace(start, end, chipText); 2132 mMoreChip = moreSpan; 2133 // If adding the +more chip goes over the limit, resize accordingly. 2134 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2135 setMaxLines(getLineCount()); 2136 } 2137 } 2138 2139 /** 2140 * Replace the more chip, if it exists, with all of the recipient chips it had 2141 * replaced when the RecipientEditTextView gains focus. 2142 */ 2143 // Visible for testing. 2144 /*package*/ void removeMoreChip() { 2145 if (mMoreChip != null) { 2146 Spannable span = getSpannable(); 2147 span.removeSpan(mMoreChip); 2148 mMoreChip = null; 2149 // Re-add the spans that were removed. 2150 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2151 // Recreate each removed span. 2152 DrawableRecipientChip[] recipients = getSortedRecipients(); 2153 // Start the search for tokens after the last currently visible 2154 // chip. 2155 if (recipients == null || recipients.length == 0) { 2156 return; 2157 } 2158 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2159 Editable editable = getText(); 2160 for (DrawableRecipientChip chip : mRemovedSpans) { 2161 int chipStart; 2162 int chipEnd; 2163 String token; 2164 // Need to find the location of the chip, again. 2165 token = (String) chip.getOriginalText(); 2166 // As we find the matching recipient for the remove spans, 2167 // reduce the size of the string we need to search. 2168 // That way, if there are duplicates, we always find the correct 2169 // recipient. 2170 chipStart = editable.toString().indexOf(token, end); 2171 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2172 // Only set the span if we found a matching token. 2173 if (chipStart != -1) { 2174 editable.setSpan(chip, chipStart, chipEnd, 2175 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2176 } 2177 } 2178 mRemovedSpans.clear(); 2179 } 2180 } 2181 } 2182 2183 /** 2184 * Show specified chip as selected. If the RecipientChip is just an email address, 2185 * selecting the chip will take the contents of the chip and place it at 2186 * the end of the RecipientEditTextView for inline editing. If the 2187 * RecipientChip is a complete contact, then selecting the chip 2188 * will change the background color of the chip, show the delete icon, 2189 * and a popup window with the address in use highlighted and any other 2190 * alternate addresses for the contact. 2191 * @param currentChip Chip to select. 2192 * @return A RecipientChip in the selected state or null if the chip 2193 * just contained an email address. 2194 */ 2195 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2196 if (shouldShowEditableText(currentChip)) { 2197 CharSequence text = currentChip.getValue(); 2198 Editable editable = getText(); 2199 Spannable spannable = getSpannable(); 2200 int spanStart = spannable.getSpanStart(currentChip); 2201 int spanEnd = spannable.getSpanEnd(currentChip); 2202 spannable.removeSpan(currentChip); 2203 editable.delete(spanStart, spanEnd); 2204 setCursorVisible(true); 2205 setSelection(editable.length()); 2206 editable.append(text); 2207 return constructChipSpan( 2208 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2209 true); 2210 } else { 2211 int start = getChipStart(currentChip); 2212 int end = getChipEnd(currentChip); 2213 getSpannable().removeSpan(currentChip); 2214 DrawableRecipientChip newChip; 2215 final boolean showAddress = 2216 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2217 getAdapter().forceShowAddress(); 2218 try { 2219 if (showAddress && mNoChips) { 2220 return null; 2221 } 2222 newChip = constructChipSpan(currentChip.getEntry(), true); 2223 } catch (NullPointerException e) { 2224 Log.e(TAG, e.getMessage(), e); 2225 return null; 2226 } 2227 Editable editable = getText(); 2228 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2229 if (start == -1 || end == -1) { 2230 Log.d(TAG, "The chip being selected no longer exists but should."); 2231 } else { 2232 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2233 } 2234 newChip.setSelected(true); 2235 if (shouldShowEditableText(newChip)) { 2236 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2237 } 2238 if (showAddress) { 2239 showAddress(newChip, mAddressPopup, getWidth()); 2240 } else { 2241 showAlternates(newChip, mAlternatesPopup, getWidth()); 2242 } 2243 setCursorVisible(false); 2244 return newChip; 2245 } 2246 } 2247 2248 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2249 long contactId = currentChip.getContactId(); 2250 return contactId == RecipientEntry.INVALID_CONTACT 2251 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2252 } 2253 2254 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2255 int width) { 2256 if (!mAttachedToWindow) { 2257 return; 2258 } 2259 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2260 int bottomOffset = calculateOffsetFromBottomToTop(line); 2261 // Align the alternates popup with the left side of the View, 2262 // regardless of the position of the chip tapped. 2263 popup.setWidth(width); 2264 popup.setAnchorView(this); 2265 popup.setVerticalOffset(bottomOffset); 2266 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2267 popup.setOnItemClickListener(new OnItemClickListener() { 2268 @Override 2269 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2270 unselectChip(currentChip); 2271 popup.dismiss(); 2272 } 2273 }); 2274 popup.show(); 2275 ListView listView = popup.getListView(); 2276 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2277 listView.setItemChecked(0, true); 2278 } 2279 2280 /** 2281 * Remove selection from this chip. Unselecting a RecipientChip will render 2282 * the chip without a delete icon and with an unfocused background. This is 2283 * called when the RecipientChip no longer has focus. 2284 */ 2285 private void unselectChip(DrawableRecipientChip chip) { 2286 int start = getChipStart(chip); 2287 int end = getChipEnd(chip); 2288 Editable editable = getText(); 2289 mSelectedChip = null; 2290 if (start == -1 || end == -1) { 2291 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2292 setSelection(editable.length()); 2293 commitDefault(); 2294 } else { 2295 getSpannable().removeSpan(chip); 2296 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2297 editable.removeSpan(chip); 2298 try { 2299 if (!mNoChips) { 2300 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2301 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2302 } 2303 } catch (NullPointerException e) { 2304 Log.e(TAG, e.getMessage(), e); 2305 } 2306 } 2307 setCursorVisible(true); 2308 setSelection(editable.length()); 2309 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2310 mAlternatesPopup.dismiss(); 2311 } 2312 } 2313 2314 /** 2315 * Return whether a touch event was inside the delete target of 2316 * a selected chip. It is in the delete target if: 2317 * 1) the x and y points of the event are within the 2318 * delete assset. 2319 * 2) the point tapped would have caused a cursor to appear 2320 * right after the selected chip. 2321 * @return boolean 2322 */ 2323 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2324 // Figure out the bounds of this chip and whether or not 2325 // the user clicked in the X portion. 2326 // TODO: Should x and y be used, or removed? 2327 if (mDisableDelete) { 2328 return false; 2329 } 2330 2331 return chip.isSelected() && 2332 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2333 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2334 } 2335 2336 /** 2337 * Remove the chip and any text associated with it from the RecipientEditTextView. 2338 */ 2339 // Visible for testing. 2340 /* package */void removeChip(DrawableRecipientChip chip) { 2341 Spannable spannable = getSpannable(); 2342 int spanStart = spannable.getSpanStart(chip); 2343 int spanEnd = spannable.getSpanEnd(chip); 2344 Editable text = getText(); 2345 int toDelete = spanEnd; 2346 boolean wasSelected = chip == mSelectedChip; 2347 // Clear that there is a selected chip before updating any text. 2348 if (wasSelected) { 2349 mSelectedChip = null; 2350 } 2351 // Always remove trailing spaces when removing a chip. 2352 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2353 toDelete++; 2354 } 2355 spannable.removeSpan(chip); 2356 if (spanStart >= 0 && toDelete > 0) { 2357 text.delete(spanStart, toDelete); 2358 } 2359 if (wasSelected) { 2360 clearSelectedChip(); 2361 } 2362 } 2363 2364 /** 2365 * Replace this currently selected chip with a new chip 2366 * that uses the contact data provided. 2367 */ 2368 // Visible for testing. 2369 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2370 boolean wasSelected = chip == mSelectedChip; 2371 if (wasSelected) { 2372 mSelectedChip = null; 2373 } 2374 int start = getChipStart(chip); 2375 int end = getChipEnd(chip); 2376 getSpannable().removeSpan(chip); 2377 Editable editable = getText(); 2378 CharSequence chipText = createChip(entry, false); 2379 if (chipText != null) { 2380 if (start == -1 || end == -1) { 2381 Log.e(TAG, "The chip to replace does not exist but should."); 2382 editable.insert(0, chipText); 2383 } else { 2384 if (!TextUtils.isEmpty(chipText)) { 2385 // There may be a space to replace with this chip's new 2386 // associated space. Check for it 2387 int toReplace = end; 2388 while (toReplace >= 0 && toReplace < editable.length() 2389 && editable.charAt(toReplace) == ' ') { 2390 toReplace++; 2391 } 2392 editable.replace(start, toReplace, chipText); 2393 } 2394 } 2395 } 2396 setCursorVisible(true); 2397 if (wasSelected) { 2398 clearSelectedChip(); 2399 } 2400 } 2401 2402 /** 2403 * Handle click events for a chip. When a selected chip receives a click 2404 * event, see if that event was in the delete icon. If so, delete it. 2405 * Otherwise, unselect the chip. 2406 */ 2407 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2408 if (chip.isSelected()) { 2409 if (isInDelete(chip, offset, x, y)) { 2410 removeChip(chip); 2411 } else { 2412 clearSelectedChip(); 2413 } 2414 } 2415 } 2416 2417 private boolean chipsPending() { 2418 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2419 } 2420 2421 @Override 2422 public void removeTextChangedListener(TextWatcher watcher) { 2423 mTextWatcher = null; 2424 super.removeTextChangedListener(watcher); 2425 } 2426 2427 private boolean isValidEmailAddress(String input) { 2428 return !TextUtils.isEmpty(input) && mValidator != null && 2429 mValidator.isValid(input); 2430 } 2431 2432 private class RecipientTextWatcher implements TextWatcher { 2433 2434 @Override 2435 public void afterTextChanged(Editable s) { 2436 // If the text has been set to null or empty, make sure we remove 2437 // all the spans we applied. 2438 if (TextUtils.isEmpty(s)) { 2439 // Remove all the chips spans. 2440 Spannable spannable = getSpannable(); 2441 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2442 DrawableRecipientChip.class); 2443 for (DrawableRecipientChip chip : chips) { 2444 spannable.removeSpan(chip); 2445 } 2446 if (mMoreChip != null) { 2447 spannable.removeSpan(mMoreChip); 2448 } 2449 clearSelectedChip(); 2450 return; 2451 } 2452 // Get whether there are any recipients pending addition to the 2453 // view. If there are, don't do anything in the text watcher. 2454 if (chipsPending()) { 2455 return; 2456 } 2457 // If the user is editing a chip, don't clear it. 2458 if (mSelectedChip != null) { 2459 if (!isGeneratedContact(mSelectedChip)) { 2460 setCursorVisible(true); 2461 setSelection(getText().length()); 2462 clearSelectedChip(); 2463 } else { 2464 return; 2465 } 2466 } 2467 int length = s.length(); 2468 // Make sure there is content there to parse and that it is 2469 // not just the commit character. 2470 if (length > 1) { 2471 if (lastCharacterIsCommitCharacter(s)) { 2472 commitByCharacter(); 2473 return; 2474 } 2475 char last; 2476 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2477 int len = length() - 1; 2478 if (end != len) { 2479 last = s.charAt(end); 2480 } else { 2481 last = s.charAt(len); 2482 } 2483 if (last == COMMIT_CHAR_SPACE) { 2484 if (!isPhoneQuery()) { 2485 // Check if this is a valid email address. If it is, 2486 // commit it. 2487 String text = getText().toString(); 2488 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2489 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2490 tokenStart)); 2491 if (isValidEmailAddress(sub)) { 2492 commitByCharacter(); 2493 } 2494 } 2495 } 2496 } 2497 } 2498 2499 @Override 2500 public void onTextChanged(CharSequence s, int start, int before, int count) { 2501 // The user deleted some text OR some text was replaced; check to 2502 // see if the insertion point is on a space 2503 // following a chip. 2504 if (before - count == 1) { 2505 // If the item deleted is a space, and the thing before the 2506 // space is a chip, delete the entire span. 2507 int selStart = getSelectionStart(); 2508 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2509 DrawableRecipientChip.class); 2510 if (repl.length > 0) { 2511 // There is a chip there! Just remove it. 2512 Editable editable = getText(); 2513 // Add the separator token. 2514 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2515 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2516 tokenEnd = tokenEnd + 1; 2517 if (tokenEnd > editable.length()) { 2518 tokenEnd = editable.length(); 2519 } 2520 editable.delete(tokenStart, tokenEnd); 2521 getSpannable().removeSpan(repl[0]); 2522 } 2523 } else if (count > before) { 2524 if (mSelectedChip != null 2525 && isGeneratedContact(mSelectedChip)) { 2526 if (lastCharacterIsCommitCharacter(s)) { 2527 commitByCharacter(); 2528 return; 2529 } 2530 } 2531 } 2532 } 2533 2534 @Override 2535 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2536 // Do nothing. 2537 } 2538 } 2539 2540 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2541 char last; 2542 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2543 int len = length() - 1; 2544 if (end != len) { 2545 last = s.charAt(end); 2546 } else { 2547 last = s.charAt(len); 2548 } 2549 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2550 } 2551 2552 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2553 long contactId = chip.getContactId(); 2554 return contactId == RecipientEntry.INVALID_CONTACT 2555 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2556 } 2557 2558 /** 2559 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2560 */ 2561 private void handlePasteClip(ClipData clip) { 2562 removeTextChangedListener(mTextWatcher); 2563 2564 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2565 for (int i = 0; i < clip.getItemCount(); i++) { 2566 CharSequence paste = clip.getItemAt(i).getText(); 2567 if (paste != null) { 2568 int start = getSelectionStart(); 2569 int end = getSelectionEnd(); 2570 Editable editable = getText(); 2571 if (start >= 0 && end >= 0 && start != end) { 2572 editable.append(paste, start, end); 2573 } else { 2574 editable.insert(end, paste); 2575 } 2576 handlePasteAndReplace(); 2577 } 2578 } 2579 } 2580 2581 mHandler.post(mAddTextWatcher); 2582 } 2583 2584 @Override 2585 public boolean onTextContextMenuItem(int id) { 2586 if (id == android.R.id.paste) { 2587 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2588 Context.CLIPBOARD_SERVICE); 2589 handlePasteClip(clipboard.getPrimaryClip()); 2590 return true; 2591 } 2592 return super.onTextContextMenuItem(id); 2593 } 2594 2595 private void handlePasteAndReplace() { 2596 ArrayList<DrawableRecipientChip> created = handlePaste(); 2597 if (created != null && created.size() > 0) { 2598 // Perform reverse lookups on the pasted contacts. 2599 IndividualReplacementTask replace = new IndividualReplacementTask(); 2600 replace.execute(created); 2601 } 2602 } 2603 2604 // Visible for testing. 2605 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2606 String text = getText().toString(); 2607 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2608 String lastAddress = text.substring(originalTokenStart); 2609 int tokenStart = originalTokenStart; 2610 int prevTokenStart = 0; 2611 DrawableRecipientChip findChip = null; 2612 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2613 if (tokenStart != 0) { 2614 // There are things before this! 2615 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2616 prevTokenStart = tokenStart; 2617 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2618 findChip = findChip(tokenStart); 2619 if (tokenStart == originalTokenStart && findChip == null) { 2620 break; 2621 } 2622 } 2623 if (tokenStart != originalTokenStart) { 2624 if (findChip != null) { 2625 tokenStart = prevTokenStart; 2626 } 2627 int tokenEnd; 2628 DrawableRecipientChip createdChip; 2629 while (tokenStart < originalTokenStart) { 2630 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2631 tokenStart)); 2632 commitChip(tokenStart, tokenEnd, getText()); 2633 createdChip = findChip(tokenStart); 2634 if (createdChip == null) { 2635 break; 2636 } 2637 // +1 for the space at the end. 2638 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2639 created.add(createdChip); 2640 } 2641 } 2642 } 2643 // Take a look at the last token. If the token has been completed with a 2644 // commit character, create a chip. 2645 if (isCompletedToken(lastAddress)) { 2646 Editable editable = getText(); 2647 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2648 commitChip(tokenStart, editable.length(), editable); 2649 created.add(findChip(tokenStart)); 2650 } 2651 return created; 2652 } 2653 2654 // Visible for testing. 2655 /* package */int movePastTerminators(int tokenEnd) { 2656 if (tokenEnd >= length()) { 2657 return tokenEnd; 2658 } 2659 char atEnd = getText().toString().charAt(tokenEnd); 2660 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2661 tokenEnd++; 2662 } 2663 // This token had not only an end token character, but also a space 2664 // separating it from the next token. 2665 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2666 tokenEnd++; 2667 } 2668 return tokenEnd; 2669 } 2670 2671 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2672 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2673 try { 2674 if (mNoChips) { 2675 return null; 2676 } 2677 return constructChipSpan(entry, false); 2678 } catch (NullPointerException e) { 2679 Log.e(TAG, e.getMessage(), e); 2680 return null; 2681 } 2682 } 2683 2684 @Override 2685 protected void onPreExecute() { 2686 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2687 // replaced 2688 final List<DrawableRecipientChip> originalRecipients = 2689 new ArrayList<DrawableRecipientChip>(); 2690 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2691 for (int i = 0; i < existingChips.length; i++) { 2692 originalRecipients.add(existingChips[i]); 2693 } 2694 if (mRemovedSpans != null) { 2695 originalRecipients.addAll(mRemovedSpans); 2696 } 2697 2698 final List<DrawableRecipientChip> replacements = 2699 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2700 2701 for (final DrawableRecipientChip chip : originalRecipients) { 2702 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2703 && getSpannable().getSpanStart(chip) != -1) { 2704 replacements.add(createFreeChip(chip.getEntry())); 2705 } else { 2706 replacements.add(null); 2707 } 2708 } 2709 2710 processReplacements(originalRecipients, replacements); 2711 } 2712 2713 @Override 2714 protected Void doInBackground(Void... params) { 2715 if (mIndividualReplacements != null) { 2716 mIndividualReplacements.cancel(true); 2717 } 2718 // For each chip in the list, look up the matching contact. 2719 // If there is a match, replace that chip with the matching 2720 // chip. 2721 final ArrayList<DrawableRecipientChip> recipients = 2722 new ArrayList<DrawableRecipientChip>(); 2723 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2724 for (int i = 0; i < existingChips.length; i++) { 2725 recipients.add(existingChips[i]); 2726 } 2727 if (mRemovedSpans != null) { 2728 recipients.addAll(mRemovedSpans); 2729 } 2730 ArrayList<String> addresses = new ArrayList<String>(); 2731 DrawableRecipientChip chip; 2732 for (int i = 0; i < recipients.size(); i++) { 2733 chip = recipients.get(i); 2734 if (chip != null) { 2735 addresses.add(createAddressText(chip.getEntry())); 2736 } 2737 } 2738 final BaseRecipientAdapter adapter = getAdapter(); 2739 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2740 @Override 2741 public void matchesFound(Map<String, RecipientEntry> entries) { 2742 final ArrayList<DrawableRecipientChip> replacements = 2743 new ArrayList<DrawableRecipientChip>(); 2744 for (final DrawableRecipientChip temp : recipients) { 2745 RecipientEntry entry = null; 2746 if (temp != null && RecipientEntry.isCreatedRecipient( 2747 temp.getEntry().getContactId()) 2748 && getSpannable().getSpanStart(temp) != -1) { 2749 // Replace this. 2750 entry = createValidatedEntry( 2751 entries.get(tokenizeAddress(temp.getEntry() 2752 .getDestination()))); 2753 } 2754 if (entry != null) { 2755 replacements.add(createFreeChip(entry)); 2756 } else { 2757 replacements.add(null); 2758 } 2759 } 2760 processReplacements(recipients, replacements); 2761 } 2762 2763 @Override 2764 public void matchesNotFound(final Set<String> unfoundAddresses) { 2765 final List<DrawableRecipientChip> replacements = 2766 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2767 2768 for (final DrawableRecipientChip temp : recipients) { 2769 if (temp != null && RecipientEntry.isCreatedRecipient( 2770 temp.getEntry().getContactId()) 2771 && getSpannable().getSpanStart(temp) != -1) { 2772 if (unfoundAddresses.contains( 2773 temp.getEntry().getDestination())) { 2774 replacements.add(createFreeChip(temp.getEntry())); 2775 } else { 2776 replacements.add(null); 2777 } 2778 } else { 2779 replacements.add(null); 2780 } 2781 } 2782 2783 processReplacements(recipients, replacements); 2784 } 2785 }); 2786 return null; 2787 } 2788 2789 private void processReplacements(final List<DrawableRecipientChip> recipients, 2790 final List<DrawableRecipientChip> replacements) { 2791 if (replacements != null && replacements.size() > 0) { 2792 final Runnable runnable = new Runnable() { 2793 @Override 2794 public void run() { 2795 final Editable text = new SpannableStringBuilder(getText()); 2796 int i = 0; 2797 for (final DrawableRecipientChip chip : recipients) { 2798 final DrawableRecipientChip replacement = replacements.get(i); 2799 if (replacement != null) { 2800 final RecipientEntry oldEntry = chip.getEntry(); 2801 final RecipientEntry newEntry = replacement.getEntry(); 2802 final boolean isBetter = 2803 RecipientAlternatesAdapter.getBetterRecipient( 2804 oldEntry, newEntry) == newEntry; 2805 2806 if (isBetter) { 2807 // Find the location of the chip in the text currently shown. 2808 final int start = text.getSpanStart(chip); 2809 if (start != -1) { 2810 // Replacing the entirety of what the chip represented, 2811 // including the extra space dividing it from other chips. 2812 final int end = 2813 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2814 text.removeSpan(chip); 2815 // Make sure we always have just 1 space at the end to 2816 // separate this chip from the next chip. 2817 final SpannableString displayText = 2818 new SpannableString(createAddressText( 2819 replacement.getEntry()).trim() + " "); 2820 displayText.setSpan(replacement, 0, 2821 displayText.length() - 1, 2822 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2823 // Replace the old text we found with with the new display 2824 // text, which now may also contain the display name of the 2825 // recipient. 2826 text.replace(start, end, displayText); 2827 replacement.setOriginalText(displayText.toString()); 2828 replacements.set(i, null); 2829 2830 recipients.set(i, replacement); 2831 } 2832 } 2833 } 2834 i++; 2835 } 2836 setText(text); 2837 } 2838 }; 2839 2840 if (Looper.myLooper() == Looper.getMainLooper()) { 2841 runnable.run(); 2842 } else { 2843 mHandler.post(runnable); 2844 } 2845 } 2846 } 2847 } 2848 2849 private class IndividualReplacementTask 2850 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2851 @Override 2852 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2853 // For each chip in the list, look up the matching contact. 2854 // If there is a match, replace that chip with the matching 2855 // chip. 2856 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2857 ArrayList<String> addresses = new ArrayList<String>(); 2858 DrawableRecipientChip chip; 2859 for (int i = 0; i < originalRecipients.size(); i++) { 2860 chip = originalRecipients.get(i); 2861 if (chip != null) { 2862 addresses.add(createAddressText(chip.getEntry())); 2863 } 2864 } 2865 final BaseRecipientAdapter adapter = getAdapter(); 2866 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2867 2868 @Override 2869 public void matchesFound(Map<String, RecipientEntry> entries) { 2870 for (final DrawableRecipientChip temp : originalRecipients) { 2871 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2872 .getContactId()) 2873 && getSpannable().getSpanStart(temp) != -1) { 2874 // Replace this. 2875 final RecipientEntry entry = createValidatedEntry(entries 2876 .get(tokenizeAddress(temp.getEntry().getDestination()) 2877 .toLowerCase())); 2878 if (entry != null) { 2879 mHandler.post(new Runnable() { 2880 @Override 2881 public void run() { 2882 replaceChip(temp, entry); 2883 } 2884 }); 2885 } 2886 } 2887 } 2888 } 2889 2890 @Override 2891 public void matchesNotFound(final Set<String> unfoundAddresses) { 2892 // No action required 2893 } 2894 }); 2895 return null; 2896 } 2897 } 2898 2899 2900 /** 2901 * MoreImageSpan is a simple class created for tracking the existence of a 2902 * more chip across activity restarts/ 2903 */ 2904 private class MoreImageSpan extends ImageSpan { 2905 public MoreImageSpan(Drawable b) { 2906 super(b); 2907 } 2908 } 2909 2910 @Override 2911 public boolean onDown(MotionEvent e) { 2912 return false; 2913 } 2914 2915 @Override 2916 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2917 // Do nothing. 2918 return false; 2919 } 2920 2921 @Override 2922 public void onLongPress(MotionEvent event) { 2923 if (mSelectedChip != null) { 2924 return; 2925 } 2926 float x = event.getX(); 2927 float y = event.getY(); 2928 final int offset = putOffsetInRange(x, y); 2929 DrawableRecipientChip currentChip = findChip(offset); 2930 if (currentChip != null) { 2931 if (mDragEnabled) { 2932 // Start drag-and-drop for the selected chip. 2933 startDrag(currentChip); 2934 } else { 2935 // Copy the selected chip email address. 2936 showCopyDialog(currentChip.getEntry().getDestination()); 2937 } 2938 } 2939 } 2940 2941 // The following methods are used to provide some functionality on older versions of Android 2942 // These methods were copied out of JB MR2's TextView 2943 ///////////////////////////////////////////////// 2944 private int supportGetOffsetForPosition(float x, float y) { 2945 if (getLayout() == null) return -1; 2946 final int line = supportGetLineAtCoordinate(y); 2947 final int offset = supportGetOffsetAtCoordinate(line, x); 2948 return offset; 2949 } 2950 2951 private float supportConvertToLocalHorizontalCoordinate(float x) { 2952 x -= getTotalPaddingLeft(); 2953 // Clamp the position to inside of the view. 2954 x = Math.max(0.0f, x); 2955 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2956 x += getScrollX(); 2957 return x; 2958 } 2959 2960 private int supportGetLineAtCoordinate(float y) { 2961 y -= getTotalPaddingLeft(); 2962 // Clamp the position to inside of the view. 2963 y = Math.max(0.0f, y); 2964 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2965 y += getScrollY(); 2966 return getLayout().getLineForVertical((int) y); 2967 } 2968 2969 private int supportGetOffsetAtCoordinate(int line, float x) { 2970 x = supportConvertToLocalHorizontalCoordinate(x); 2971 return getLayout().getOffsetForHorizontal(line, x); 2972 } 2973 ///////////////////////////////////////////////// 2974 2975 /** 2976 * Enables drag-and-drop for chips. 2977 */ 2978 public void enableDrag() { 2979 mDragEnabled = true; 2980 } 2981 2982 /** 2983 * Starts drag-and-drop for the selected chip. 2984 */ 2985 private void startDrag(DrawableRecipientChip currentChip) { 2986 String address = currentChip.getEntry().getDestination(); 2987 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2988 2989 // Start drag mode. 2990 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2991 2992 // Remove the current chip, so drag-and-drop will result in a move. 2993 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2994 removeChip(currentChip); 2995 } 2996 2997 /** 2998 * Handles drag event. 2999 */ 3000 @Override 3001 public boolean onDragEvent(DragEvent event) { 3002 switch (event.getAction()) { 3003 case DragEvent.ACTION_DRAG_STARTED: 3004 // Only handle plain text drag and drop. 3005 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3006 case DragEvent.ACTION_DRAG_ENTERED: 3007 requestFocus(); 3008 return true; 3009 case DragEvent.ACTION_DROP: 3010 handlePasteClip(event.getClipData()); 3011 return true; 3012 } 3013 return false; 3014 } 3015 3016 /** 3017 * Drag shadow for a {@link DrawableRecipientChip}. 3018 */ 3019 private final class RecipientChipShadow extends DragShadowBuilder { 3020 private final DrawableRecipientChip mChip; 3021 3022 public RecipientChipShadow(DrawableRecipientChip chip) { 3023 mChip = chip; 3024 } 3025 3026 @Override 3027 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3028 Rect rect = mChip.getBounds(); 3029 shadowSize.set(rect.width(), rect.height()); 3030 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3031 } 3032 3033 @Override 3034 public void onDrawShadow(Canvas canvas) { 3035 mChip.draw(canvas); 3036 } 3037 } 3038 3039 private void showCopyDialog(final String address) { 3040 if (!mAttachedToWindow) { 3041 return; 3042 } 3043 mCopyAddress = address; 3044 mCopyDialog.setTitle(address); 3045 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3046 mCopyDialog.setCancelable(true); 3047 mCopyDialog.setCanceledOnTouchOutside(true); 3048 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3049 button.setOnClickListener(this); 3050 int btnTitleId; 3051 if (isPhoneQuery()) { 3052 btnTitleId = R.string.copy_number; 3053 } else { 3054 btnTitleId = R.string.copy_email; 3055 } 3056 String buttonTitle = getContext().getResources().getString(btnTitleId); 3057 button.setText(buttonTitle); 3058 mCopyDialog.setOnDismissListener(this); 3059 mCopyDialog.show(); 3060 } 3061 3062 @Override 3063 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3064 // Do nothing. 3065 return false; 3066 } 3067 3068 @Override 3069 public void onShowPress(MotionEvent e) { 3070 // Do nothing. 3071 } 3072 3073 @Override 3074 public boolean onSingleTapUp(MotionEvent e) { 3075 // Do nothing. 3076 return false; 3077 } 3078 3079 @Override 3080 public void onDismiss(DialogInterface dialog) { 3081 mCopyAddress = null; 3082 } 3083 3084 @Override 3085 public void onClick(View v) { 3086 // Copy this to the clipboard. 3087 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3088 Context.CLIPBOARD_SERVICE); 3089 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3090 mCopyDialog.dismiss(); 3091 } 3092 3093 protected boolean isPhoneQuery() { 3094 return getAdapter() != null 3095 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3096 } 3097 3098 @Override 3099 public BaseRecipientAdapter getAdapter() { 3100 return (BaseRecipientAdapter) super.getAdapter(); 3101 } 3102 3103 /** 3104 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3105 * unfinished text at the end. 3106 */ 3107 public void appendRecipientEntry(final RecipientEntry entry) { 3108 clearComposingText(); 3109 3110 final Editable editable = getText(); 3111 int chipInsertionPoint = 0; 3112 3113 // Find the end of last chip and see if there's any unchipified text. 3114 final DrawableRecipientChip[] recips = getSortedRecipients(); 3115 if (recips != null && recips.length > 0) { 3116 final DrawableRecipientChip last = recips[recips.length - 1]; 3117 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3118 // the insertion point will be kept untouched. 3119 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3120 } 3121 3122 final CharSequence chip = createChip(entry, false); 3123 if (chip != null) { 3124 editable.insert(chipInsertionPoint, chip); 3125 } 3126 } 3127 3128 /** 3129 * Remove all chips matching the given RecipientEntry. 3130 */ 3131 public void removeRecipientEntry(final RecipientEntry entry) { 3132 final DrawableRecipientChip[] recips = getText() 3133 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3134 3135 for (final DrawableRecipientChip recipient : recips) { 3136 final RecipientEntry existingEntry = recipient.getEntry(); 3137 if (existingEntry != null && existingEntry.isValid() && 3138 existingEntry.isSamePerson(entry)) { 3139 removeChip(recipient); 3140 } 3141 } 3142 } 3143 3144 private static class ChipBitmapContainer { 3145 Bitmap bitmap; 3146 // information used for positioning the loaded icon 3147 boolean loadIcon = true; 3148 float left; 3149 float top; 3150 float right; 3151 float bottom; 3152 } 3153} 3154