RecipientEditTextView.java revision 9b166209d723ed996243de5d89b489f3992daf0e
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.ColorDrawable; 43import android.graphics.drawable.Drawable; 44import android.graphics.drawable.StateListDrawable; 45import android.os.AsyncTask; 46import android.os.Build; 47import android.os.Handler; 48import android.os.Looper; 49import android.os.Message; 50import android.os.Parcelable; 51import android.text.Editable; 52import android.text.InputType; 53import android.text.Layout; 54import android.text.Spannable; 55import android.text.SpannableString; 56import android.text.SpannableStringBuilder; 57import android.text.Spanned; 58import android.text.TextPaint; 59import android.text.TextUtils; 60import android.text.TextWatcher; 61import android.text.method.QwertyKeyListener; 62import android.text.style.ImageSpan; 63import android.text.util.Rfc822Token; 64import android.text.util.Rfc822Tokenizer; 65import android.util.AttributeSet; 66import android.util.Log; 67import android.util.TypedValue; 68import android.view.ActionMode; 69import android.view.ActionMode.Callback; 70import android.view.DragEvent; 71import android.view.GestureDetector; 72import android.view.KeyEvent; 73import android.view.LayoutInflater; 74import android.view.Menu; 75import android.view.MenuItem; 76import android.view.MotionEvent; 77import android.view.View; 78import android.view.View.OnClickListener; 79import android.view.ViewParent; 80import android.view.inputmethod.EditorInfo; 81import android.view.inputmethod.InputConnection; 82import android.widget.AdapterView; 83import android.widget.AdapterView.OnItemClickListener; 84import android.widget.Button; 85import android.widget.Filterable; 86import android.widget.ListAdapter; 87import android.widget.ListPopupWindow; 88import android.widget.ListView; 89import android.widget.MultiAutoCompleteTextView; 90import android.widget.ScrollView; 91import android.widget.TextView; 92 93import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 94import com.android.ex.chips.recipientchip.DrawableRecipientChip; 95import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 96import com.android.ex.chips.recipientchip.VisibleRecipientChip; 97 98import java.util.ArrayList; 99import java.util.Arrays; 100import java.util.Collections; 101import java.util.Comparator; 102import java.util.List; 103import java.util.Map; 104import java.util.Set; 105import java.util.regex.Matcher; 106import java.util.regex.Pattern; 107 108/** 109 * RecipientEditTextView is an auto complete text view for use with applications 110 * that use the new Chips UI for addressing a message to recipients. 111 */ 112public class RecipientEditTextView extends MultiAutoCompleteTextView implements 113 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 114 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 115 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 116 117 private static final char COMMIT_CHAR_COMMA = ','; 118 119 private static final char COMMIT_CHAR_SEMICOLON = ';'; 120 121 private static final char COMMIT_CHAR_SPACE = ' '; 122 123 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 124 + String.valueOf(COMMIT_CHAR_SPACE); 125 126 private static final String TAG = "RecipientEditTextView"; 127 128 private static final int DISMISS = "dismiss".hashCode(); 129 130 private static final long DISMISS_DELAY = 300; 131 132 // TODO: get correct number/ algorithm from with UX. 133 // Visible for testing. 134 /*package*/ static final int CHIP_LIMIT = 2; 135 136 private static final int MAX_CHIPS_PARSED = 50; 137 138 private static int sSelectedTextColor = -1; 139 140 // Resources for displaying chips. 141 private Drawable mChipBackground = null; 142 private Drawable mChipDelete = null; 143 private Drawable mInvalidChipBackground; 144 private Drawable mChipBackgroundPressed; 145 146 private float mChipHeight; 147 private float mChipFontSize; 148 private float mLineSpacingExtra; 149 private int mChipTextStartPadding; 150 private int mChipTextEndPadding; 151 private final int mTextHeight; 152 153 /** 154 * Enumerator for avatar position. See attr.xml for more details. 155 * 0 for end, 1 for start. 156 */ 157 private int mAvatarPosition; 158 159 private static final int AVATAR_POSITION_END = 0; 160 161 private static final int AVATAR_POSITION_START = 1; 162 163 /** 164 * Enumerator for image span alignment. See attr.xml for more details. 165 * 0 for bottom, 1 for baseline. 166 */ 167 private int mImageSpanAlignment; 168 169 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 170 171 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 172 173 174 private Paint mWorkPaint = new Paint(); 175 176 private boolean mDisableDelete; 177 178 private Tokenizer mTokenizer; 179 180 private Validator mValidator; 181 182 private DrawableRecipientChip mSelectedChip; 183 184 private Bitmap mDefaultContactPhoto; 185 186 private ImageSpan mMoreChip; 187 188 private TextView mMoreItem; 189 190 // VisibleForTesting 191 final ArrayList<String> mPendingChips = new ArrayList<String>(); 192 193 private Handler mHandler; 194 195 private int mPendingChipsCount = 0; 196 197 private boolean mNoChips = false; 198 199 private ListPopupWindow mAlternatesPopup; 200 201 private ListPopupWindow mAddressPopup; 202 203 private View mAlternatePopupAnchor; 204 205 // VisibleForTesting 206 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 207 208 private ArrayList<DrawableRecipientChip> mRemovedSpans; 209 210 private boolean mShouldShrink = true; 211 212 // Chip copy fields. 213 private GestureDetector mGestureDetector; 214 215 private Dialog mCopyDialog; 216 217 private String mCopyAddress; 218 219 /** 220 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 221 * selected chip. 222 */ 223 private OnItemClickListener mAlternatesListener; 224 225 private int mCheckedItem; 226 227 private TextWatcher mTextWatcher; 228 229 // Obtain the enclosing scroll view, if it exists, so that the view can be 230 // scrolled to show the last line of chips content. 231 private ScrollView mScrollView; 232 233 private boolean mTriedGettingScrollView; 234 235 private boolean mDragEnabled = false; 236 237 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 238 // parens, so numbers such as "1 (425) 222-2342" match. 239 private static final Pattern PHONE_PATTERN 240 = Pattern.compile( // sdd = space, dot, or dash 241 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 242 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 243 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 244 245 private final Runnable mAddTextWatcher = new Runnable() { 246 @Override 247 public void run() { 248 if (mTextWatcher == null) { 249 mTextWatcher = new RecipientTextWatcher(); 250 addTextChangedListener(mTextWatcher); 251 } 252 } 253 }; 254 255 private IndividualReplacementTask mIndividualReplacements; 256 257 private Runnable mHandlePendingChips = new Runnable() { 258 259 @Override 260 public void run() { 261 handlePendingChips(); 262 } 263 264 }; 265 266 private Runnable mDelayedShrink = new Runnable() { 267 268 @Override 269 public void run() { 270 shrink(); 271 } 272 273 }; 274 275 private int mMaxLines; 276 277 private static int sExcessTopPadding = -1; 278 279 private int mActionBarHeight; 280 281 private boolean mAttachedToWindow; 282 283 private DropdownChipLayouter mDropdownChipLayouter; 284 285 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 286 287 public interface RecipientEntryItemClickedListener { 288 /** 289 * Callback that occurs whenever an auto-complete suggestion is clicked. 290 * @param charactersTyped the number of characters typed by the user to provide the 291 * auto-complete suggestions. 292 * @param position the position in the dropdown list that the user clicked 293 */ 294 void onRecipientEntryItemClicked(int charactersTyped, int position); 295 } 296 297 public RecipientEditTextView(Context context, AttributeSet attrs) { 298 super(context, attrs); 299 setChipDimensions(context, attrs); 300 mTextHeight = calculateTextHeight(); 301 if (sSelectedTextColor == -1) { 302 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 303 } 304 mAlternatesPopup = new ListPopupWindow(context); 305 mAddressPopup = new ListPopupWindow(context); 306 mCopyDialog = new Dialog(context); 307 mAlternatesListener = new OnItemClickListener() { 308 @Override 309 public void onItemClick(AdapterView<?> adapterView,View view, int position, 310 long rowId) { 311 mAlternatesPopup.setOnItemClickListener(null); 312 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 313 .getRecipientEntry(position)); 314 Message delayed = Message.obtain(mHandler, DISMISS); 315 delayed.obj = mAlternatesPopup; 316 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 317 clearComposingText(); 318 } 319 }; 320 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 321 setOnItemClickListener(this); 322 setCustomSelectionActionModeCallback(this); 323 mHandler = new Handler() { 324 @Override 325 public void handleMessage(Message msg) { 326 if (msg.what == DISMISS) { 327 ((ListPopupWindow) msg.obj).dismiss(); 328 return; 329 } 330 super.handleMessage(msg); 331 } 332 }; 333 mTextWatcher = new RecipientTextWatcher(); 334 addTextChangedListener(mTextWatcher); 335 mGestureDetector = new GestureDetector(context, this); 336 setOnEditorActionListener(this); 337 338 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 339 } 340 341 private int calculateTextHeight() { 342 final Rect textBounds = new Rect(); 343 final TextPaint paint = getPaint(); 344 345 textBounds.setEmpty(); 346 // First measure the bounds of a sample text. 347 final String textHeightSample = "a"; 348 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), textBounds); 349 350 textBounds.left = 0; 351 textBounds.right = 0; 352 353 return textBounds.height(); 354 } 355 356 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 357 mDropdownChipLayouter = dropdownChipLayouter; 358 mDropdownChipLayouter.setDeleteListener(this); 359 } 360 361 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 362 mRecipientEntryItemClickedListener = listener; 363 } 364 365 @Override 366 protected void onDetachedFromWindow() { 367 super.onDetachedFromWindow(); 368 mAttachedToWindow = false; 369 } 370 371 @Override 372 protected void onAttachedToWindow() { 373 super.onAttachedToWindow(); 374 mAttachedToWindow = true; 375 } 376 377 @Override 378 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 379 if (action == EditorInfo.IME_ACTION_DONE) { 380 if (commitDefault()) { 381 return true; 382 } 383 if (mSelectedChip != null) { 384 clearSelectedChip(); 385 return true; 386 } else if (focusNext()) { 387 return true; 388 } 389 } 390 return false; 391 } 392 393 @Override 394 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 395 InputConnection connection = super.onCreateInputConnection(outAttrs); 396 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 397 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 398 // clear the existing action 399 outAttrs.imeOptions ^= imeActions; 400 // set the DONE action 401 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 402 } 403 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 404 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 405 } 406 407 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 408 outAttrs.actionLabel = getContext().getString(R.string.action_label); 409 return connection; 410 } 411 412 /*package*/ DrawableRecipientChip getLastChip() { 413 DrawableRecipientChip last = null; 414 DrawableRecipientChip[] chips = getSortedRecipients(); 415 if (chips != null && chips.length > 0) { 416 last = chips[chips.length - 1]; 417 } 418 return last; 419 } 420 421 /** 422 * @return The list of {@link RecipientEntry}s that have been selected by the user. 423 */ 424 public List<RecipientEntry> getSelectedRecipients() { 425 DrawableRecipientChip[] chips = 426 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 427 List<RecipientEntry> results = new ArrayList(); 428 if (chips == null) { 429 return results; 430 } 431 432 for (DrawableRecipientChip c : chips) { 433 results.add(c.getEntry()); 434 } 435 436 return results; 437 } 438 439 @Override 440 public void onSelectionChanged(int start, int end) { 441 // When selection changes, see if it is inside the chips area. 442 // If so, move the cursor back after the chips again. 443 DrawableRecipientChip last = getLastChip(); 444 if (last != null && start < getSpannable().getSpanEnd(last)) { 445 // Grab the last chip and set the cursor to after it. 446 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 447 } 448 super.onSelectionChanged(start, end); 449 } 450 451 @Override 452 public void onRestoreInstanceState(Parcelable state) { 453 if (!TextUtils.isEmpty(getText())) { 454 super.onRestoreInstanceState(null); 455 } else { 456 super.onRestoreInstanceState(state); 457 } 458 } 459 460 @Override 461 public Parcelable onSaveInstanceState() { 462 // If the user changes orientation while they are editing, just roll back the selection. 463 clearSelectedChip(); 464 return super.onSaveInstanceState(); 465 } 466 467 /** 468 * Convenience method: Append the specified text slice to the TextView's 469 * display buffer, upgrading it to BufferType.EDITABLE if it was 470 * not already editable. Commas are excluded as they are added automatically 471 * by the view. 472 */ 473 @Override 474 public void append(CharSequence text, int start, int end) { 475 // We don't care about watching text changes while appending. 476 if (mTextWatcher != null) { 477 removeTextChangedListener(mTextWatcher); 478 } 479 super.append(text, start, end); 480 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 481 String displayString = text.toString(); 482 483 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 484 // We have no separator, so we should add it 485 super.append(SEPARATOR, 0, SEPARATOR.length()); 486 displayString += SEPARATOR; 487 } 488 489 if (!TextUtils.isEmpty(displayString) 490 && TextUtils.getTrimmedLength(displayString) > 0) { 491 mPendingChipsCount++; 492 mPendingChips.add(displayString); 493 } 494 } 495 // Put a message on the queue to make sure we ALWAYS handle pending 496 // chips. 497 if (mPendingChipsCount > 0) { 498 postHandlePendingChips(); 499 } 500 mHandler.post(mAddTextWatcher); 501 } 502 503 @Override 504 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 505 super.onFocusChanged(hasFocus, direction, previous); 506 if (!hasFocus) { 507 shrink(); 508 } else { 509 expand(); 510 } 511 } 512 513 private int getExcessTopPadding() { 514 if (sExcessTopPadding == -1) { 515 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 516 } 517 return sExcessTopPadding; 518 } 519 520 @Override 521 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 522 super.setAdapter(adapter); 523 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 524 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 525 @Override 526 public void onChanged(List<RecipientEntry> entries) { 527 // Scroll the chips field to the top of the screen so 528 // that the user can see as many results as possible. 529 if (entries != null && entries.size() > 0) { 530 scrollBottomIntoView(); 531 } 532 } 533 }); 534 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 535 } 536 537 protected void scrollBottomIntoView() { 538 if (mScrollView != null && mShouldShrink) { 539 int[] location = new int[2]; 540 getLocationOnScreen(location); 541 int height = getHeight(); 542 int currentPos = location[1] + height; 543 // Desired position shows at least 1 line of chips below the action 544 // bar. We add excess padding to make sure this is always below other 545 // content. 546 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 547 if (currentPos > desiredPos) { 548 mScrollView.scrollBy(0, currentPos - desiredPos); 549 } 550 } 551 } 552 553 protected ScrollView getScrollView() { 554 return mScrollView; 555 } 556 557 @Override 558 public void performValidation() { 559 // Do nothing. Chips handles its own validation. 560 } 561 562 private void shrink() { 563 if (mTokenizer == null) { 564 return; 565 } 566 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 567 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 568 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 569 clearSelectedChip(); 570 } else { 571 if (getWidth() <= 0) { 572 // We don't have the width yet which means the view hasn't been drawn yet 573 // and there is no reason to attempt to commit chips yet. 574 // This focus lost must be the result of an orientation change 575 // or an initial rendering. 576 // Re-post the shrink for later. 577 mHandler.removeCallbacks(mDelayedShrink); 578 mHandler.post(mDelayedShrink); 579 return; 580 } 581 // Reset any pending chips as they would have been handled 582 // when the field lost focus. 583 if (mPendingChipsCount > 0) { 584 postHandlePendingChips(); 585 } else { 586 Editable editable = getText(); 587 int end = getSelectionEnd(); 588 int start = mTokenizer.findTokenStart(editable, end); 589 DrawableRecipientChip[] chips = 590 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 591 if ((chips == null || chips.length == 0)) { 592 Editable text = getText(); 593 int whatEnd = mTokenizer.findTokenEnd(text, start); 594 // This token was already tokenized, so skip past the ending token. 595 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 596 whatEnd = movePastTerminators(whatEnd); 597 } 598 // In the middle of chip; treat this as an edit 599 // and commit the whole token. 600 int selEnd = getSelectionEnd(); 601 if (whatEnd != selEnd) { 602 handleEdit(start, whatEnd); 603 } else { 604 commitChip(start, end, editable); 605 } 606 } 607 } 608 mHandler.post(mAddTextWatcher); 609 } 610 createMoreChip(); 611 } 612 613 private void expand() { 614 if (mShouldShrink) { 615 setMaxLines(Integer.MAX_VALUE); 616 } 617 removeMoreChip(); 618 setCursorVisible(true); 619 Editable text = getText(); 620 setSelection(text != null && text.length() > 0 ? text.length() : 0); 621 // If there are any temporary chips, try replacing them now that the user 622 // has expanded the field. 623 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 624 new RecipientReplacementTask().execute(); 625 mTemporaryRecipients = null; 626 } 627 } 628 629 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 630 paint.setTextSize(mChipFontSize); 631 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 632 Log.d(TAG, "Max width is negative: " + maxWidth); 633 } 634 return TextUtils.ellipsize(text, paint, maxWidth, 635 TextUtils.TruncateAt.END); 636 } 637 638 /** 639 * Creates a bitmap of the given contact on a selected chip. 640 * 641 * @param contact The recipient entry to pull data from. 642 * @param paint The paint to use to draw the bitmap. 643 */ 644 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 645 paint.setColor(sSelectedTextColor); 646 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 647 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 648 649 if (bitmapContainer.loadIcon) { 650 loadAvatarIcon(contact, bitmapContainer); 651 } 652 653 return bitmapContainer.bitmap; 654 } 655 656 /** 657 * Creates a bitmap of the given contact on a selected chip. 658 * 659 * @param contact The recipient entry to pull data from. 660 * @param paint The paint to use to draw the bitmap. 661 */ 662 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 663 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 664 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 665 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 666 667 if (bitmapContainer.loadIcon) { 668 loadAvatarIcon(contact, bitmapContainer); 669 } 670 return bitmapContainer.bitmap; 671 } 672 673 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 674 Drawable overrideBackgroundDrawable, int backgroundColor) { 675 final ChipBitmapContainer result = new ChipBitmapContainer(); 676 677 Rect backgroundPadding = new Rect(); 678 if (overrideBackgroundDrawable != null) { 679 overrideBackgroundDrawable.getPadding(backgroundPadding); 680 } 681 682 // Ellipsize the text so that it takes AT MOST the entire width of the 683 // autocomplete text entry area. Make sure to leave space for padding 684 // on the sides. 685 int height = (int) mChipHeight; 686 // Since the icon is a square, it's width is equal to the maximum height it can be inside 687 // the chip. Don't include iconWidth for invalid contacts. 688 int iconWidth = contact.isValid() ? 689 height - backgroundPadding.top - backgroundPadding.bottom : 0; 690 float[] widths = new float[1]; 691 paint.getTextWidths(" ", widths); 692 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 693 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 694 - backgroundPadding.right); 695 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 696 697 // Chip start padding is the same as the end padding if there is no contact image. 698 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 699 // Make sure there is a minimum chip width so the user can ALWAYS 700 // tap a chip without difficulty. 701 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 702 + iconWidth + backgroundPadding.left + backgroundPadding.right); 703 704 // Create the background of the chip. 705 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 706 final Canvas canvas = new Canvas(result.bitmap); 707 708 // Check if the background drawable is set via attr 709 if (overrideBackgroundDrawable != null) { 710 overrideBackgroundDrawable.setBounds(0, 0, width, height); 711 overrideBackgroundDrawable.draw(canvas); 712 } else { 713 // Draw the default chip background 714 final Paint backgroundPaint = new Paint(); 715 backgroundPaint.setColor(backgroundColor); 716 final float radius = height / 2; 717 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 718 backgroundPaint); 719 } 720 721 // Draw the text vertically aligned 722 int textX = shouldPositionAvatarOnRight() ? 723 mChipTextEndPadding + backgroundPadding.left : 724 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 725 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 726 textX, getTextYOffset(height), paint); 727 728 // Set the variables that are needed to draw the icon bitmap once it's loaded 729 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 730 backgroundPadding.left; 731 result.left = iconX; 732 result.top = backgroundPadding.top; 733 result.right = iconX + iconWidth; 734 result.bottom = height - backgroundPadding.bottom; 735 736 return result; 737 } 738 739 /** 740 * Helper function that draws the loaded icon bitmap into the chips bitmap 741 */ 742 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 743 final Canvas canvas = new Canvas(bitMapResult.bitmap); 744 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 745 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 746 bitMapResult.bottom); 747 drawIconOnCanvas(icon, canvas, src, dst); 748 } 749 750 /** 751 * Returns true if the avatar should be positioned at the right edge of the chip. 752 * Takes into account both the set avatar position (start or end) as well as whether 753 * the layout direction is LTR or RTL. 754 */ 755 private boolean shouldPositionAvatarOnRight() { 756 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 757 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 758 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 759 // If in Rtl mode, the position should be flipped. 760 return isRtl ? !assignedPosition : assignedPosition; 761 } 762 763 /** 764 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 765 * draw an icon for this recipient. 766 */ 767 private void loadAvatarIcon(final RecipientEntry contact, 768 final ChipBitmapContainer bitmapContainer) { 769 // Don't draw photos for recipients that have been typed in OR generated on the fly. 770 long contactId = contact.getContactId(); 771 boolean drawPhotos = isPhoneQuery() ? 772 contactId != RecipientEntry.INVALID_CONTACT 773 : (contactId != RecipientEntry.INVALID_CONTACT 774 && contactId != RecipientEntry.GENERATED_CONTACT); 775 776 if (drawPhotos) { 777 final byte[] origPhotoBytes = contact.getPhotoBytes(); 778 // There may not be a photo yet if anything but the first contact address 779 // was selected. 780 if (origPhotoBytes == null) { 781 // TODO: cache this in the recipient entry? 782 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 783 @Override 784 public void onPhotoBytesPopulated() { 785 // Call through to the async version which will ensure 786 // proper threading. 787 onPhotoBytesAsynchronouslyPopulated(); 788 } 789 790 @Override 791 public void onPhotoBytesAsynchronouslyPopulated() { 792 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 793 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 794 loadedPhotoBytes.length); 795 tryDrawAndInvalidate(icon); 796 } 797 798 @Override 799 public void onPhotoBytesAsyncLoadFailed() { 800 // TODO: can the scaled down default photo be cached? 801 tryDrawAndInvalidate(mDefaultContactPhoto); 802 } 803 804 private void tryDrawAndInvalidate(Bitmap icon) { 805 drawIcon(bitmapContainer, icon); 806 // The caller might originated from a background task. However, if the 807 // background task has already completed, the view might be already drawn 808 // on the UI but the callback would happen on the background thread. 809 // So if we are on a background thread, post an invalidate call to the UI. 810 if (Looper.myLooper() == Looper.getMainLooper()) { 811 // The view might not redraw itself since it's loaded asynchronously 812 invalidate(); 813 } else { 814 post(new Runnable() { 815 @Override 816 public void run() { 817 invalidate(); 818 } 819 }); 820 } 821 } 822 }); 823 } else { 824 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 825 origPhotoBytes.length); 826 drawIcon(bitmapContainer, icon); 827 } 828 } 829 } 830 831 /** 832 * Get the background drawable for a RecipientChip. 833 */ 834 // Visible for testing. 835 /* package */Drawable getChipBackground(RecipientEntry contact) { 836 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 837 } 838 839 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 840 return getResources().getColor(contact.isValid() ? R.color.chip_background : 841 R.color.chip_background_invalid); 842 } 843 844 /** 845 * Given a height, returns a Y offset that will draw the text in the middle of the height. 846 */ 847 protected float getTextYOffset(int height) { 848 return height - ((height - mTextHeight) / 2); 849 } 850 851 /** 852 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 853 * rectangle of the canvas. 854 */ 855 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 856 final Matrix matrix = new Matrix(); 857 858 // Draw bitmap through shader first. 859 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 860 matrix.reset(); 861 862 // Fit bitmap to bounds. 863 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 864 865 shader.setLocalMatrix(matrix); 866 mWorkPaint.reset(); 867 mWorkPaint.setShader(shader); 868 mWorkPaint.setAntiAlias(true); 869 mWorkPaint.setFilterBitmap(true); 870 mWorkPaint.setDither(true); 871 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 872 873 // Then draw the border. 874 final float borderWidth = 1f; 875 mWorkPaint.reset(); 876 mWorkPaint.setColor(Color.TRANSPARENT); 877 mWorkPaint.setStyle(Style.STROKE); 878 mWorkPaint.setStrokeWidth(borderWidth); 879 mWorkPaint.setAntiAlias(true); 880 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 881 882 mWorkPaint.reset(); 883 } 884 885 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 886 TextPaint paint = getPaint(); 887 float defaultSize = paint.getTextSize(); 888 int defaultColor = paint.getColor(); 889 890 Bitmap tmpBitmap; 891 if (pressed) { 892 tmpBitmap = createSelectedChip(contact, paint); 893 894 } else { 895 tmpBitmap = createUnselectedChip(contact, paint); 896 } 897 898 // Pass the full text, un-ellipsized, to the chip. 899 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 900 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 901 DrawableRecipientChip recipientChip = 902 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 903 // Return text to the original size. 904 paint.setTextSize(defaultSize); 905 paint.setColor(defaultColor); 906 return recipientChip; 907 } 908 909 private int getImageSpanAlignment() { 910 switch (mImageSpanAlignment) { 911 case IMAGE_SPAN_ALIGNMENT_BASELINE: 912 return ImageSpan.ALIGN_BASELINE; 913 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 914 return ImageSpan.ALIGN_BOTTOM; 915 default: 916 return ImageSpan.ALIGN_BOTTOM; 917 } 918 } 919 920 /** 921 * Calculate the bottom of the line the chip will be located on using: 922 * 1) which line the chip appears on 923 * 2) the height of a chip 924 * 3) padding built into the edit text view 925 */ 926 private int calculateOffsetFromBottom(int line) { 927 // Line offsets start at zero. 928 int actualLine = getLineCount() - (line + 1); 929 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 930 + getDropDownVerticalOffset(); 931 } 932 933 /** 934 * Calculate the offset from bottom of the EditText to top of the provided line. 935 */ 936 private int calculateOffsetFromBottomToTop(int line) { 937 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 938 .abs(getLineCount() - line)) + getPaddingBottom()); 939 } 940 941 /** 942 * Get the max amount of space a chip can take up. The formula takes into 943 * account the width of the EditTextView, any view padding, and padding 944 * that will be added to the chip. 945 */ 946 private float calculateAvailableWidth() { 947 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 948 - mChipTextEndPadding; 949 } 950 951 952 private void setChipDimensions(Context context, AttributeSet attrs) { 953 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 954 0); 955 Resources r = getContext().getResources(); 956 957 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 958 mChipBackgroundPressed = a 959 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 960 mInvalidChipBackground = a 961 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 962 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 963 if (mChipDelete == null) { 964 mChipDelete = r.getDrawable(R.drawable.chip_delete); 965 } 966 mChipTextStartPadding = mChipTextEndPadding 967 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 968 if (mChipTextStartPadding == -1) { 969 mChipTextStartPadding = mChipTextEndPadding = 970 (int) r.getDimension(R.dimen.chip_padding); 971 } 972 // xml-overrides for each individual padding 973 // TODO: add these to attr? 974 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 975 if (overridePadding >= 0) { 976 mChipTextStartPadding = overridePadding; 977 } 978 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 979 if (overridePadding >= 0) { 980 mChipTextEndPadding = overridePadding; 981 } 982 983 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 984 985 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 986 987 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 988 if (mChipHeight == -1) { 989 mChipHeight = r.getDimension(R.dimen.chip_height); 990 } 991 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 992 if (mChipFontSize == -1) { 993 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 994 } 995 mAvatarPosition = 996 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 997 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 998 IMAGE_SPAN_ALIGNMENT_BASELINE); 999 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 1000 1001 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 1002 mMaxLines = r.getInteger(R.integer.chips_max_lines); 1003 TypedValue tv = new TypedValue(); 1004 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 1005 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 1006 .getDisplayMetrics()); 1007 } 1008 1009 a.recycle(); 1010 } 1011 1012 // Visible for testing. 1013 /* package */ void setMoreItem(TextView moreItem) { 1014 mMoreItem = moreItem; 1015 } 1016 1017 1018 // Visible for testing. 1019 /* package */ void setChipBackground(Drawable chipBackground) { 1020 mChipBackground = chipBackground; 1021 } 1022 1023 // Visible for testing. 1024 /* package */ void setChipHeight(int height) { 1025 mChipHeight = height; 1026 } 1027 1028 public float getChipHeight() { 1029 return mChipHeight; 1030 } 1031 1032 /** 1033 * Set whether to shrink the recipients field such that at most 1034 * one line of recipients chips are shown when the field loses 1035 * focus. By default, the number of displayed recipients will be 1036 * limited and a "more" chip will be shown when focus is lost. 1037 * @param shrink 1038 */ 1039 public void setOnFocusListShrinkRecipients(boolean shrink) { 1040 mShouldShrink = shrink; 1041 } 1042 1043 @Override 1044 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1045 super.onSizeChanged(width, height, oldw, oldh); 1046 if (width != 0 && height != 0) { 1047 if (mPendingChipsCount > 0) { 1048 postHandlePendingChips(); 1049 } else { 1050 checkChipWidths(); 1051 } 1052 } 1053 // Try to find the scroll view parent, if it exists. 1054 if (mScrollView == null && !mTriedGettingScrollView) { 1055 ViewParent parent = getParent(); 1056 while (parent != null && !(parent instanceof ScrollView)) { 1057 parent = parent.getParent(); 1058 } 1059 if (parent != null) { 1060 mScrollView = (ScrollView) parent; 1061 } 1062 mTriedGettingScrollView = true; 1063 } 1064 } 1065 1066 private void postHandlePendingChips() { 1067 mHandler.removeCallbacks(mHandlePendingChips); 1068 mHandler.post(mHandlePendingChips); 1069 } 1070 1071 private void checkChipWidths() { 1072 // Check the widths of the associated chips. 1073 DrawableRecipientChip[] chips = getSortedRecipients(); 1074 if (chips != null) { 1075 Rect bounds; 1076 for (DrawableRecipientChip chip : chips) { 1077 bounds = chip.getBounds(); 1078 if (getWidth() > 0 && bounds.right - bounds.left > 1079 getWidth() - getPaddingLeft() - getPaddingRight()) { 1080 // Need to redraw that chip. 1081 replaceChip(chip, chip.getEntry()); 1082 } 1083 } 1084 } 1085 } 1086 1087 // Visible for testing. 1088 /*package*/ void handlePendingChips() { 1089 if (getViewWidth() <= 0) { 1090 // The widget has not been sized yet. 1091 // This will be called as a result of onSizeChanged 1092 // at a later point. 1093 return; 1094 } 1095 if (mPendingChipsCount <= 0) { 1096 return; 1097 } 1098 1099 synchronized (mPendingChips) { 1100 Editable editable = getText(); 1101 // Tokenize! 1102 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1103 for (int i = 0; i < mPendingChips.size(); i++) { 1104 String current = mPendingChips.get(i); 1105 int tokenStart = editable.toString().indexOf(current); 1106 // Always leave a space at the end between tokens. 1107 int tokenEnd = tokenStart + current.length() - 1; 1108 if (tokenStart >= 0) { 1109 // When we have a valid token, include it with the token 1110 // to the left. 1111 if (tokenEnd < editable.length() - 2 1112 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1113 tokenEnd++; 1114 } 1115 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1116 || !mShouldShrink); 1117 } 1118 mPendingChipsCount--; 1119 } 1120 sanitizeEnd(); 1121 } else { 1122 mNoChips = true; 1123 } 1124 1125 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1126 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1127 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1128 new RecipientReplacementTask().execute(); 1129 mTemporaryRecipients = null; 1130 } else { 1131 // Create the "more" chip 1132 mIndividualReplacements = new IndividualReplacementTask(); 1133 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1134 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1135 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1136 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1137 mTemporaryRecipients.subList(CHIP_LIMIT, 1138 mTemporaryRecipients.size())); 1139 } else { 1140 mTemporaryRecipients = null; 1141 } 1142 createMoreChip(); 1143 } 1144 } else { 1145 // There are too many recipients to look up, so just fall back 1146 // to showing addresses for all of them. 1147 mTemporaryRecipients = null; 1148 createMoreChip(); 1149 } 1150 mPendingChipsCount = 0; 1151 mPendingChips.clear(); 1152 } 1153 } 1154 1155 // Visible for testing. 1156 /*package*/ int getViewWidth() { 1157 return getWidth(); 1158 } 1159 1160 /** 1161 * Remove any characters after the last valid chip. 1162 */ 1163 // Visible for testing. 1164 /*package*/ void sanitizeEnd() { 1165 // Don't sanitize while we are waiting for pending chips to complete. 1166 if (mPendingChipsCount > 0) { 1167 return; 1168 } 1169 // Find the last chip; eliminate any commit characters after it. 1170 DrawableRecipientChip[] chips = getSortedRecipients(); 1171 Spannable spannable = getSpannable(); 1172 if (chips != null && chips.length > 0) { 1173 int end; 1174 mMoreChip = getMoreChip(); 1175 if (mMoreChip != null) { 1176 end = spannable.getSpanEnd(mMoreChip); 1177 } else { 1178 end = getSpannable().getSpanEnd(getLastChip()); 1179 } 1180 Editable editable = getText(); 1181 int length = editable.length(); 1182 if (length > end) { 1183 // See what characters occur after that and eliminate them. 1184 if (Log.isLoggable(TAG, Log.DEBUG)) { 1185 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1186 + editable); 1187 } 1188 editable.delete(end + 1, length); 1189 } 1190 } 1191 } 1192 1193 /** 1194 * Create a chip that represents just the email address of a recipient. At some later 1195 * point, this chip will be attached to a real contact entry, if one exists. 1196 */ 1197 // VisibleForTesting 1198 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1199 boolean visible) { 1200 if (alreadyHasChip(tokenStart, tokenEnd)) { 1201 // There is already a chip present at this location. 1202 // Don't recreate it. 1203 return; 1204 } 1205 String token = editable.toString().substring(tokenStart, tokenEnd); 1206 final String trimmedToken = token.trim(); 1207 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1208 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1209 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1210 } 1211 RecipientEntry entry = createTokenizedEntry(token); 1212 if (entry != null) { 1213 DrawableRecipientChip chip = null; 1214 try { 1215 if (!mNoChips) { 1216 chip = visible ? 1217 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1218 } 1219 } catch (NullPointerException e) { 1220 Log.e(TAG, e.getMessage(), e); 1221 } 1222 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1223 // Add this chip to the list of entries "to replace" 1224 if (chip != null) { 1225 if (mTemporaryRecipients == null) { 1226 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1227 } 1228 chip.setOriginalText(token); 1229 mTemporaryRecipients.add(chip); 1230 } 1231 } 1232 } 1233 1234 private static boolean isPhoneNumber(String number) { 1235 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1236 // PhoneNumberUtil). One complication is that it requires the sender's region which 1237 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1238 if (TextUtils.isEmpty(number)) { 1239 return false; 1240 } 1241 1242 Matcher match = PHONE_PATTERN.matcher(number); 1243 return match.matches(); 1244 } 1245 1246 // VisibleForTesting 1247 RecipientEntry createTokenizedEntry(final String token) { 1248 if (TextUtils.isEmpty(token)) { 1249 return null; 1250 } 1251 if (isPhoneQuery() && isPhoneNumber(token)) { 1252 return RecipientEntry.constructFakePhoneEntry(token, true); 1253 } 1254 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1255 String display = null; 1256 boolean isValid = isValid(token); 1257 if (isValid && tokens != null && tokens.length > 0) { 1258 // If we can get a name from tokenizing, then generate an entry from 1259 // this. 1260 display = tokens[0].getName(); 1261 if (!TextUtils.isEmpty(display)) { 1262 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1263 isValid); 1264 } else { 1265 display = tokens[0].getAddress(); 1266 if (!TextUtils.isEmpty(display)) { 1267 return RecipientEntry.constructFakeEntry(display, isValid); 1268 } 1269 } 1270 } 1271 // Unable to validate the token or to create a valid token from it. 1272 // Just create a chip the user can edit. 1273 String validatedToken = null; 1274 if (mValidator != null && !isValid) { 1275 // Try fixing up the entry using the validator. 1276 validatedToken = mValidator.fixText(token).toString(); 1277 if (!TextUtils.isEmpty(validatedToken)) { 1278 if (validatedToken.contains(token)) { 1279 // protect against the case of a validator with a null 1280 // domain, 1281 // which doesn't add a domain to the token 1282 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1283 if (tokenized.length > 0) { 1284 validatedToken = tokenized[0].getAddress(); 1285 isValid = true; 1286 } 1287 } else { 1288 // We ran into a case where the token was invalid and 1289 // removed 1290 // by the validator. In this case, just use the original 1291 // token 1292 // and let the user sort out the error chip. 1293 validatedToken = null; 1294 isValid = false; 1295 } 1296 } 1297 } 1298 // Otherwise, fallback to just creating an editable email address chip. 1299 return RecipientEntry.constructFakeEntry( 1300 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1301 } 1302 1303 private boolean isValid(String text) { 1304 return mValidator == null ? true : mValidator.isValid(text); 1305 } 1306 1307 private static String tokenizeAddress(String destination) { 1308 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1309 if (tokens != null && tokens.length > 0) { 1310 return tokens[0].getAddress(); 1311 } 1312 return destination; 1313 } 1314 1315 @Override 1316 public void setTokenizer(Tokenizer tokenizer) { 1317 mTokenizer = tokenizer; 1318 super.setTokenizer(mTokenizer); 1319 } 1320 1321 @Override 1322 public void setValidator(Validator validator) { 1323 mValidator = validator; 1324 super.setValidator(validator); 1325 } 1326 1327 /** 1328 * We cannot use the default mechanism for replaceText. Instead, 1329 * we override onItemClickListener so we can get all the associated 1330 * contact information including display text, address, and id. 1331 */ 1332 @Override 1333 protected void replaceText(CharSequence text) { 1334 return; 1335 } 1336 1337 /** 1338 * Dismiss any selected chips when the back key is pressed. 1339 */ 1340 @Override 1341 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1342 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1343 clearSelectedChip(); 1344 return true; 1345 } 1346 return super.onKeyPreIme(keyCode, event); 1347 } 1348 1349 /** 1350 * Monitor key presses in this view to see if the user types 1351 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1352 * If the user has entered text that has contact matches and types 1353 * a commit key, create a chip from the topmost matching contact. 1354 * If the user has entered text that has no contact matches and types 1355 * a commit key, then create a chip from the text they have entered. 1356 */ 1357 @Override 1358 public boolean onKeyUp(int keyCode, KeyEvent event) { 1359 switch (keyCode) { 1360 case KeyEvent.KEYCODE_TAB: 1361 if (event.hasNoModifiers()) { 1362 if (mSelectedChip != null) { 1363 clearSelectedChip(); 1364 } else { 1365 commitDefault(); 1366 } 1367 } 1368 break; 1369 } 1370 return super.onKeyUp(keyCode, event); 1371 } 1372 1373 private boolean focusNext() { 1374 View next = focusSearch(View.FOCUS_DOWN); 1375 if (next != null) { 1376 next.requestFocus(); 1377 return true; 1378 } 1379 return false; 1380 } 1381 1382 /** 1383 * Create a chip from the default selection. If the popup is showing, the 1384 * default is the selected item (if one is selected), or the first item, in the popup 1385 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1386 * tokenizer should search for a token to turn into a chip. 1387 * @return If a chip was created from a real contact. 1388 */ 1389 private boolean commitDefault() { 1390 // If there is no tokenizer, don't try to commit. 1391 if (mTokenizer == null) { 1392 return false; 1393 } 1394 Editable editable = getText(); 1395 int end = getSelectionEnd(); 1396 int start = mTokenizer.findTokenStart(editable, end); 1397 1398 if (shouldCreateChip(start, end)) { 1399 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1400 // In the middle of chip; treat this as an edit 1401 // and commit the whole token. 1402 whatEnd = movePastTerminators(whatEnd); 1403 if (whatEnd != getSelectionEnd()) { 1404 handleEdit(start, whatEnd); 1405 return true; 1406 } 1407 return commitChip(start, end , editable); 1408 } 1409 return false; 1410 } 1411 1412 private void commitByCharacter() { 1413 // We can't possibly commit by character if we can't tokenize. 1414 if (mTokenizer == null) { 1415 return; 1416 } 1417 Editable editable = getText(); 1418 int end = getSelectionEnd(); 1419 int start = mTokenizer.findTokenStart(editable, end); 1420 if (shouldCreateChip(start, end)) { 1421 commitChip(start, end, editable); 1422 } 1423 setSelection(getText().length()); 1424 } 1425 1426 private boolean commitChip(int start, int end, Editable editable) { 1427 ListAdapter adapter = getAdapter(); 1428 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1429 && end == getSelectionEnd() && !isPhoneQuery()) { 1430 // let's choose the selected or first entry if only the input text is NOT an email 1431 // address so we won't try to replace the user's potentially correct but 1432 // new/unencountered email input 1433 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1434 final int selectedPosition = getListSelection(); 1435 if (selectedPosition == -1) { 1436 // Nothing is selected; use the first item 1437 submitItemAtPosition(0); 1438 } else { 1439 submitItemAtPosition(selectedPosition); 1440 } 1441 } 1442 dismissDropDown(); 1443 return true; 1444 } else { 1445 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1446 if (editable.length() > tokenEnd + 1) { 1447 char charAt = editable.charAt(tokenEnd + 1); 1448 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1449 tokenEnd++; 1450 } 1451 } 1452 String text = editable.toString().substring(start, tokenEnd).trim(); 1453 clearComposingText(); 1454 if (text != null && text.length() > 0 && !text.equals(" ")) { 1455 RecipientEntry entry = createTokenizedEntry(text); 1456 if (entry != null) { 1457 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1458 CharSequence chipText = createChip(entry, false); 1459 if (chipText != null && start > -1 && end > -1) { 1460 editable.replace(start, end, chipText); 1461 } 1462 } 1463 // Only dismiss the dropdown if it is related to the text we 1464 // just committed. 1465 // For paste, it may not be as there are possibly multiple 1466 // tokens being added. 1467 if (end == getSelectionEnd()) { 1468 dismissDropDown(); 1469 } 1470 sanitizeBetween(); 1471 return true; 1472 } 1473 } 1474 return false; 1475 } 1476 1477 // Visible for testing. 1478 /* package */ void sanitizeBetween() { 1479 // Don't sanitize while we are waiting for content to chipify. 1480 if (mPendingChipsCount > 0) { 1481 return; 1482 } 1483 // Find the last chip. 1484 DrawableRecipientChip[] recips = getSortedRecipients(); 1485 if (recips != null && recips.length > 0) { 1486 DrawableRecipientChip last = recips[recips.length - 1]; 1487 DrawableRecipientChip beforeLast = null; 1488 if (recips.length > 1) { 1489 beforeLast = recips[recips.length - 2]; 1490 } 1491 int startLooking = 0; 1492 int end = getSpannable().getSpanStart(last); 1493 if (beforeLast != null) { 1494 startLooking = getSpannable().getSpanEnd(beforeLast); 1495 Editable text = getText(); 1496 if (startLooking == -1 || startLooking > text.length() - 1) { 1497 // There is nothing after this chip. 1498 return; 1499 } 1500 if (text.charAt(startLooking) == ' ') { 1501 startLooking++; 1502 } 1503 } 1504 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1505 getText().delete(startLooking, end); 1506 } 1507 } 1508 } 1509 1510 private boolean shouldCreateChip(int start, int end) { 1511 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1512 } 1513 1514 private boolean alreadyHasChip(int start, int end) { 1515 if (mNoChips) { 1516 return true; 1517 } 1518 DrawableRecipientChip[] chips = 1519 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1520 if ((chips == null || chips.length == 0)) { 1521 return false; 1522 } 1523 return true; 1524 } 1525 1526 private void handleEdit(int start, int end) { 1527 if (start == -1 || end == -1) { 1528 // This chip no longer exists in the field. 1529 dismissDropDown(); 1530 return; 1531 } 1532 // This is in the middle of a chip, so select out the whole chip 1533 // and commit it. 1534 Editable editable = getText(); 1535 setSelection(end); 1536 String text = getText().toString().substring(start, end); 1537 if (!TextUtils.isEmpty(text)) { 1538 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1539 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1540 CharSequence chipText = createChip(entry, false); 1541 int selEnd = getSelectionEnd(); 1542 if (chipText != null && start > -1 && selEnd > -1) { 1543 editable.replace(start, selEnd, chipText); 1544 } 1545 } 1546 dismissDropDown(); 1547 } 1548 1549 /** 1550 * If there is a selected chip, delegate the key events 1551 * to the selected chip. 1552 */ 1553 @Override 1554 public boolean onKeyDown(int keyCode, KeyEvent event) { 1555 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1556 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1557 mAlternatesPopup.dismiss(); 1558 } 1559 removeChip(mSelectedChip); 1560 } 1561 1562 switch (keyCode) { 1563 case KeyEvent.KEYCODE_ENTER: 1564 case KeyEvent.KEYCODE_DPAD_CENTER: 1565 if (event.hasNoModifiers()) { 1566 if (commitDefault()) { 1567 return true; 1568 } 1569 if (mSelectedChip != null) { 1570 clearSelectedChip(); 1571 return true; 1572 } else if (focusNext()) { 1573 return true; 1574 } 1575 } 1576 break; 1577 } 1578 1579 return super.onKeyDown(keyCode, event); 1580 } 1581 1582 // Visible for testing. 1583 /* package */ Spannable getSpannable() { 1584 return getText(); 1585 } 1586 1587 private int getChipStart(DrawableRecipientChip chip) { 1588 return getSpannable().getSpanStart(chip); 1589 } 1590 1591 private int getChipEnd(DrawableRecipientChip chip) { 1592 return getSpannable().getSpanEnd(chip); 1593 } 1594 1595 /** 1596 * Instead of filtering on the entire contents of the edit box, 1597 * this subclass method filters on the range from 1598 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1599 * if the length of that range meets or exceeds {@link #getThreshold} 1600 * and makes sure that the range is not already a Chip. 1601 */ 1602 @Override 1603 protected void performFiltering(CharSequence text, int keyCode) { 1604 boolean isCompletedToken = isCompletedToken(text); 1605 if (enoughToFilter() && !isCompletedToken) { 1606 int end = getSelectionEnd(); 1607 int start = mTokenizer.findTokenStart(text, end); 1608 // If this is a RecipientChip, don't filter 1609 // on its contents. 1610 Spannable span = getSpannable(); 1611 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1612 if (chips != null && chips.length > 0) { 1613 dismissDropDown(); 1614 return; 1615 } 1616 } else if (isCompletedToken) { 1617 dismissDropDown(); 1618 return; 1619 } 1620 super.performFiltering(text, keyCode); 1621 } 1622 1623 // Visible for testing. 1624 /*package*/ boolean isCompletedToken(CharSequence text) { 1625 if (TextUtils.isEmpty(text)) { 1626 return false; 1627 } 1628 // Check to see if this is a completed token before filtering. 1629 int end = text.length(); 1630 int start = mTokenizer.findTokenStart(text, end); 1631 String token = text.toString().substring(start, end).trim(); 1632 if (!TextUtils.isEmpty(token)) { 1633 char atEnd = token.charAt(token.length() - 1); 1634 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1635 } 1636 return false; 1637 } 1638 1639 private void clearSelectedChip() { 1640 if (mSelectedChip != null) { 1641 unselectChip(mSelectedChip); 1642 mSelectedChip = null; 1643 } 1644 setCursorVisible(true); 1645 } 1646 1647 /** 1648 * Monitor touch events in the RecipientEditTextView. 1649 * If the view does not have focus, any tap on the view 1650 * will just focus the view. If the view has focus, determine 1651 * if the touch target is a recipient chip. If it is and the chip 1652 * is not selected, select it and clear any other selected chips. 1653 * If it isn't, then select that chip. 1654 */ 1655 @Override 1656 public boolean onTouchEvent(MotionEvent event) { 1657 if (!isFocused()) { 1658 // Ignore any chip taps until this view is focused. 1659 return super.onTouchEvent(event); 1660 } 1661 boolean handled = super.onTouchEvent(event); 1662 int action = event.getAction(); 1663 boolean chipWasSelected = false; 1664 if (mSelectedChip == null) { 1665 mGestureDetector.onTouchEvent(event); 1666 } 1667 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1668 float x = event.getX(); 1669 float y = event.getY(); 1670 int offset = putOffsetInRange(x, y); 1671 DrawableRecipientChip currentChip = findChip(offset); 1672 if (currentChip != null) { 1673 if (action == MotionEvent.ACTION_UP) { 1674 if (mSelectedChip != null && mSelectedChip != currentChip) { 1675 clearSelectedChip(); 1676 mSelectedChip = selectChip(currentChip); 1677 } else if (mSelectedChip == null) { 1678 setSelection(getText().length()); 1679 commitDefault(); 1680 mSelectedChip = selectChip(currentChip); 1681 } else { 1682 onClick(mSelectedChip, offset, x, y); 1683 } 1684 } 1685 chipWasSelected = true; 1686 handled = true; 1687 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1688 chipWasSelected = true; 1689 } 1690 } 1691 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1692 clearSelectedChip(); 1693 } 1694 return handled; 1695 } 1696 1697 private void scrollLineIntoView(int line) { 1698 if (mScrollView != null) { 1699 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1700 } 1701 } 1702 1703 private void showAlternates(final DrawableRecipientChip currentChip, 1704 final ListPopupWindow alternatesPopup) { 1705 new AsyncTask<Void, Void, ListAdapter>() { 1706 @Override 1707 protected ListAdapter doInBackground(final Void... params) { 1708 return createAlternatesAdapter(currentChip); 1709 } 1710 1711 @Override 1712 protected void onPostExecute(final ListAdapter result) { 1713 if (!mAttachedToWindow) { 1714 return; 1715 } 1716 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1717 int bottomOffset = calculateOffsetFromBottomToTop(line); 1718 1719 // Align the alternates popup with the left side of the View, 1720 // regardless of the position of the chip tapped. 1721 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1722 mAlternatePopupAnchor : RecipientEditTextView.this); 1723 alternatesPopup.setVerticalOffset(bottomOffset); 1724 alternatesPopup.setAdapter(result); 1725 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1726 // Clear the checked item. 1727 mCheckedItem = -1; 1728 alternatesPopup.show(); 1729 ListView listView = alternatesPopup.getListView(); 1730 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1731 // Checked item would be -1 if the adapter has not 1732 // loaded the view that should be checked yet. The 1733 // variable will be set correctly when onCheckedItemChanged 1734 // is called in a separate thread. 1735 if (mCheckedItem != -1) { 1736 listView.setItemChecked(mCheckedItem, true); 1737 mCheckedItem = -1; 1738 } 1739 } 1740 }.execute((Void[]) null); 1741 } 1742 1743 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1744 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1745 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1746 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1747 constructStateListDeleteDrawable()); 1748 } 1749 1750 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1751 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1752 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1753 } 1754 1755 private StateListDrawable constructStateListDeleteDrawable() { 1756 // Construct the StateListDrawable from deleteDrawable 1757 StateListDrawable deleteDrawable = new StateListDrawable(); 1758 deleteDrawable.addState(new int[] { android.R.attr.state_activated }, mChipDelete); 1759 deleteDrawable.addState(new int[0], null); 1760 return deleteDrawable; 1761 } 1762 1763 @Override 1764 public void onCheckedItemChanged(int position) { 1765 ListView listView = mAlternatesPopup.getListView(); 1766 if (listView != null && listView.getCheckedItemCount() == 0) { 1767 listView.setItemChecked(position, true); 1768 } 1769 mCheckedItem = position; 1770 } 1771 1772 private int putOffsetInRange(final float x, final float y) { 1773 final int offset; 1774 1775 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1776 offset = getOffsetForPosition(x, y); 1777 } else { 1778 offset = supportGetOffsetForPosition(x, y); 1779 } 1780 1781 return putOffsetInRange(offset); 1782 } 1783 1784 // TODO: This algorithm will need a lot of tweaking after more people have used 1785 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1786 // what comes before the finger. 1787 private int putOffsetInRange(int o) { 1788 int offset = o; 1789 Editable text = getText(); 1790 int length = text.length(); 1791 // Remove whitespace from end to find "real end" 1792 int realLength = length; 1793 for (int i = length - 1; i >= 0; i--) { 1794 if (text.charAt(i) == ' ') { 1795 realLength--; 1796 } else { 1797 break; 1798 } 1799 } 1800 1801 // If the offset is beyond or at the end of the text, 1802 // leave it alone. 1803 if (offset >= realLength) { 1804 return offset; 1805 } 1806 Editable editable = getText(); 1807 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1808 // Keep walking backward! 1809 offset--; 1810 } 1811 return offset; 1812 } 1813 1814 private static int findText(Editable text, int offset) { 1815 if (text.charAt(offset) != ' ') { 1816 return offset; 1817 } 1818 return -1; 1819 } 1820 1821 private DrawableRecipientChip findChip(int offset) { 1822 DrawableRecipientChip[] chips = 1823 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1824 // Find the chip that contains this offset. 1825 for (int i = 0; i < chips.length; i++) { 1826 DrawableRecipientChip chip = chips[i]; 1827 int start = getChipStart(chip); 1828 int end = getChipEnd(chip); 1829 if (offset >= start && offset <= end) { 1830 return chip; 1831 } 1832 } 1833 return null; 1834 } 1835 1836 // Visible for testing. 1837 // Use this method to generate text to add to the list of addresses. 1838 /* package */String createAddressText(RecipientEntry entry) { 1839 String display = entry.getDisplayName(); 1840 String address = entry.getDestination(); 1841 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1842 display = null; 1843 } 1844 String trimmedDisplayText; 1845 if (isPhoneQuery() && isPhoneNumber(address)) { 1846 trimmedDisplayText = address.trim(); 1847 } else { 1848 if (address != null) { 1849 // Tokenize out the address in case the address already 1850 // contained the username as well. 1851 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1852 if (tokenized != null && tokenized.length > 0) { 1853 address = tokenized[0].getAddress(); 1854 } 1855 } 1856 Rfc822Token token = new Rfc822Token(display, address, null); 1857 trimmedDisplayText = token.toString().trim(); 1858 } 1859 int index = trimmedDisplayText.indexOf(","); 1860 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1861 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1862 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1863 } 1864 1865 // Visible for testing. 1866 // Use this method to generate text to display in a chip. 1867 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1868 String display = entry.getDisplayName(); 1869 String address = entry.getDestination(); 1870 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1871 display = null; 1872 } 1873 if (!TextUtils.isEmpty(display)) { 1874 return display; 1875 } else if (!TextUtils.isEmpty(address)){ 1876 return address; 1877 } else { 1878 return new Rfc822Token(display, address, null).toString(); 1879 } 1880 } 1881 1882 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1883 final String displayText = createAddressText(entry); 1884 if (TextUtils.isEmpty(displayText)) { 1885 return null; 1886 } 1887 // Always leave a blank space at the end of a chip. 1888 final int textLength = displayText.length() - 1; 1889 final SpannableString chipText = new SpannableString(displayText); 1890 if (!mNoChips) { 1891 try { 1892 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1893 chipText.setSpan(chip, 0, textLength, 1894 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1895 chip.setOriginalText(chipText.toString()); 1896 } catch (NullPointerException e) { 1897 Log.e(TAG, e.getMessage(), e); 1898 return null; 1899 } 1900 } 1901 onChipCreated(entry); 1902 return chipText; 1903 } 1904 1905 /** 1906 * A callback for subclasses to use to know when a chip was created with the 1907 * given RecipientEntry. 1908 */ 1909 protected void onChipCreated(RecipientEntry entry) {} 1910 1911 /** 1912 * When an item in the suggestions list has been clicked, create a chip from the 1913 * contact information of the selected item. 1914 */ 1915 @Override 1916 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1917 if (position < 0) { 1918 return; 1919 } 1920 1921 final int charactersTyped = submitItemAtPosition(position); 1922 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1923 mRecipientEntryItemClickedListener 1924 .onRecipientEntryItemClicked(charactersTyped, position); 1925 } 1926 } 1927 1928 private int submitItemAtPosition(int position) { 1929 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1930 if (entry == null) { 1931 return -1; 1932 } 1933 clearComposingText(); 1934 1935 int end = getSelectionEnd(); 1936 int start = mTokenizer.findTokenStart(getText(), end); 1937 1938 Editable editable = getText(); 1939 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1940 CharSequence chip = createChip(entry, false); 1941 if (chip != null && start >= 0 && end >= 0) { 1942 editable.replace(start, end, chip); 1943 } 1944 sanitizeBetween(); 1945 1946 return end - start; 1947 } 1948 1949 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1950 if (item == null) { 1951 return null; 1952 } 1953 final RecipientEntry entry; 1954 // If the display name and the address are the same, or if this is a 1955 // valid contact, but the destination is invalid, then make this a fake 1956 // recipient that is editable. 1957 String destination = item.getDestination(); 1958 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1959 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1960 destination, item.isValid()); 1961 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1962 && (TextUtils.isEmpty(item.getDisplayName()) 1963 || TextUtils.equals(item.getDisplayName(), destination) 1964 || (mValidator != null && !mValidator.isValid(destination)))) { 1965 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1966 } else { 1967 entry = item; 1968 } 1969 return entry; 1970 } 1971 1972 // Visible for testing. 1973 /* package */DrawableRecipientChip[] getSortedRecipients() { 1974 DrawableRecipientChip[] recips = getSpannable() 1975 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1976 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1977 Arrays.asList(recips)); 1978 final Spannable spannable = getSpannable(); 1979 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1980 1981 @Override 1982 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1983 int firstStart = spannable.getSpanStart(first); 1984 int secondStart = spannable.getSpanStart(second); 1985 if (firstStart < secondStart) { 1986 return -1; 1987 } else if (firstStart > secondStart) { 1988 return 1; 1989 } else { 1990 return 0; 1991 } 1992 } 1993 }); 1994 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1995 } 1996 1997 @Override 1998 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1999 return false; 2000 } 2001 2002 @Override 2003 public void onDestroyActionMode(ActionMode mode) { 2004 } 2005 2006 @Override 2007 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2008 return false; 2009 } 2010 2011 /** 2012 * No chips are selectable. 2013 */ 2014 @Override 2015 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2016 return false; 2017 } 2018 2019 // Visible for testing. 2020 /* package */ImageSpan getMoreChip() { 2021 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2022 MoreImageSpan.class); 2023 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2024 } 2025 2026 private MoreImageSpan createMoreSpan(int count) { 2027 String moreText = String.format(mMoreItem.getText().toString(), count); 2028 TextPaint morePaint = new TextPaint(getPaint()); 2029 morePaint.setTextSize(mMoreItem.getTextSize()); 2030 morePaint.setColor(mMoreItem.getCurrentTextColor()); 2031 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2032 + mMoreItem.getPaddingRight(); 2033 int height = getLineHeight(); 2034 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2035 Canvas canvas = new Canvas(drawable); 2036 int adjustedHeight = height; 2037 Layout layout = getLayout(); 2038 if (layout != null) { 2039 adjustedHeight -= layout.getLineDescent(0); 2040 } 2041 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 2042 2043 Drawable result = new BitmapDrawable(getResources(), drawable); 2044 result.setBounds(0, 0, width, height); 2045 return new MoreImageSpan(result); 2046 } 2047 2048 // Visible for testing. 2049 /*package*/ void createMoreChipPlainText() { 2050 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2051 Editable text = getText(); 2052 int start = 0; 2053 int end = start; 2054 for (int i = 0; i < CHIP_LIMIT; i++) { 2055 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2056 start = end; // move to the next token and get its end. 2057 } 2058 // Now, count total addresses. 2059 start = 0; 2060 int tokenCount = countTokens(text); 2061 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2062 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2063 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2064 text.replace(end, text.length(), chipText); 2065 mMoreChip = moreSpan; 2066 } 2067 2068 // Visible for testing. 2069 /* package */int countTokens(Editable text) { 2070 int tokenCount = 0; 2071 int start = 0; 2072 while (start < text.length()) { 2073 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2074 tokenCount++; 2075 if (start >= text.length()) { 2076 break; 2077 } 2078 } 2079 return tokenCount; 2080 } 2081 2082 /** 2083 * Create the more chip. The more chip is text that replaces any chips that 2084 * do not fit in the pre-defined available space when the 2085 * RecipientEditTextView loses focus. 2086 */ 2087 // Visible for testing. 2088 /* package */ void createMoreChip() { 2089 if (mNoChips) { 2090 createMoreChipPlainText(); 2091 return; 2092 } 2093 2094 if (!mShouldShrink) { 2095 return; 2096 } 2097 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2098 if (tempMore.length > 0) { 2099 getSpannable().removeSpan(tempMore[0]); 2100 } 2101 DrawableRecipientChip[] recipients = getSortedRecipients(); 2102 2103 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2104 mMoreChip = null; 2105 return; 2106 } 2107 Spannable spannable = getSpannable(); 2108 int numRecipients = recipients.length; 2109 int overage = numRecipients - CHIP_LIMIT; 2110 MoreImageSpan moreSpan = createMoreSpan(overage); 2111 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2112 int totalReplaceStart = 0; 2113 int totalReplaceEnd = 0; 2114 Editable text = getText(); 2115 for (int i = numRecipients - overage; i < recipients.length; i++) { 2116 mRemovedSpans.add(recipients[i]); 2117 if (i == numRecipients - overage) { 2118 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2119 } 2120 if (i == recipients.length - 1) { 2121 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2122 } 2123 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2124 int spanStart = spannable.getSpanStart(recipients[i]); 2125 int spanEnd = spannable.getSpanEnd(recipients[i]); 2126 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2127 } 2128 spannable.removeSpan(recipients[i]); 2129 } 2130 if (totalReplaceEnd < text.length()) { 2131 totalReplaceEnd = text.length(); 2132 } 2133 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2134 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2135 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2136 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2137 text.replace(start, end, chipText); 2138 mMoreChip = moreSpan; 2139 // If adding the +more chip goes over the limit, resize accordingly. 2140 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2141 setMaxLines(getLineCount()); 2142 } 2143 } 2144 2145 /** 2146 * Replace the more chip, if it exists, with all of the recipient chips it had 2147 * replaced when the RecipientEditTextView gains focus. 2148 */ 2149 // Visible for testing. 2150 /*package*/ void removeMoreChip() { 2151 if (mMoreChip != null) { 2152 Spannable span = getSpannable(); 2153 span.removeSpan(mMoreChip); 2154 mMoreChip = null; 2155 // Re-add the spans that were removed. 2156 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2157 // Recreate each removed span. 2158 DrawableRecipientChip[] recipients = getSortedRecipients(); 2159 // Start the search for tokens after the last currently visible 2160 // chip. 2161 if (recipients == null || recipients.length == 0) { 2162 return; 2163 } 2164 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2165 Editable editable = getText(); 2166 for (DrawableRecipientChip chip : mRemovedSpans) { 2167 int chipStart; 2168 int chipEnd; 2169 String token; 2170 // Need to find the location of the chip, again. 2171 token = (String) chip.getOriginalText(); 2172 // As we find the matching recipient for the remove spans, 2173 // reduce the size of the string we need to search. 2174 // That way, if there are duplicates, we always find the correct 2175 // recipient. 2176 chipStart = editable.toString().indexOf(token, end); 2177 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2178 // Only set the span if we found a matching token. 2179 if (chipStart != -1) { 2180 editable.setSpan(chip, chipStart, chipEnd, 2181 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2182 } 2183 } 2184 mRemovedSpans.clear(); 2185 } 2186 } 2187 } 2188 2189 /** 2190 * Show specified chip as selected. If the RecipientChip is just an email address, 2191 * selecting the chip will take the contents of the chip and place it at 2192 * the end of the RecipientEditTextView for inline editing. If the 2193 * RecipientChip is a complete contact, then selecting the chip 2194 * will change the background color of the chip, show the delete icon, 2195 * and a popup window with the address in use highlighted and any other 2196 * alternate addresses for the contact. 2197 * @param currentChip Chip to select. 2198 * @return A RecipientChip in the selected state or null if the chip 2199 * just contained an email address. 2200 */ 2201 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2202 if (shouldShowEditableText(currentChip)) { 2203 CharSequence text = currentChip.getValue(); 2204 Editable editable = getText(); 2205 Spannable spannable = getSpannable(); 2206 int spanStart = spannable.getSpanStart(currentChip); 2207 int spanEnd = spannable.getSpanEnd(currentChip); 2208 spannable.removeSpan(currentChip); 2209 editable.delete(spanStart, spanEnd); 2210 setCursorVisible(true); 2211 setSelection(editable.length()); 2212 editable.append(text); 2213 return constructChipSpan( 2214 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2215 true); 2216 } else { 2217 int start = getChipStart(currentChip); 2218 int end = getChipEnd(currentChip); 2219 getSpannable().removeSpan(currentChip); 2220 DrawableRecipientChip newChip; 2221 final boolean showAddress = 2222 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2223 getAdapter().forceShowAddress(); 2224 try { 2225 if (showAddress && mNoChips) { 2226 return null; 2227 } 2228 newChip = constructChipSpan(currentChip.getEntry(), true); 2229 } catch (NullPointerException e) { 2230 Log.e(TAG, e.getMessage(), e); 2231 return null; 2232 } 2233 Editable editable = getText(); 2234 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2235 if (start == -1 || end == -1) { 2236 Log.d(TAG, "The chip being selected no longer exists but should."); 2237 } else { 2238 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2239 } 2240 newChip.setSelected(true); 2241 if (shouldShowEditableText(newChip)) { 2242 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2243 } 2244 if (showAddress) { 2245 showAddress(newChip, mAddressPopup); 2246 } else { 2247 showAlternates(newChip, mAlternatesPopup); 2248 } 2249 setCursorVisible(false); 2250 return newChip; 2251 } 2252 } 2253 2254 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2255 long contactId = currentChip.getContactId(); 2256 return contactId == RecipientEntry.INVALID_CONTACT 2257 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2258 } 2259 2260 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2261 if (!mAttachedToWindow) { 2262 return; 2263 } 2264 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2265 int bottomOffset = calculateOffsetFromBottomToTop(line); 2266 // Align the alternates popup with the left side of the View, 2267 // regardless of the position of the chip tapped. 2268 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2269 popup.setVerticalOffset(bottomOffset); 2270 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2271 popup.setOnItemClickListener(new OnItemClickListener() { 2272 @Override 2273 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2274 unselectChip(currentChip); 2275 popup.dismiss(); 2276 } 2277 }); 2278 popup.show(); 2279 ListView listView = popup.getListView(); 2280 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2281 listView.setItemChecked(0, true); 2282 } 2283 2284 /** 2285 * Remove selection from this chip. Unselecting a RecipientChip will render 2286 * the chip without a delete icon and with an unfocused background. This is 2287 * called when the RecipientChip no longer has focus. 2288 */ 2289 private void unselectChip(DrawableRecipientChip chip) { 2290 int start = getChipStart(chip); 2291 int end = getChipEnd(chip); 2292 Editable editable = getText(); 2293 mSelectedChip = null; 2294 if (start == -1 || end == -1) { 2295 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2296 setSelection(editable.length()); 2297 commitDefault(); 2298 } else { 2299 getSpannable().removeSpan(chip); 2300 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2301 editable.removeSpan(chip); 2302 try { 2303 if (!mNoChips) { 2304 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2305 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2306 } 2307 } catch (NullPointerException e) { 2308 Log.e(TAG, e.getMessage(), e); 2309 } 2310 } 2311 setCursorVisible(true); 2312 setSelection(editable.length()); 2313 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2314 mAlternatesPopup.dismiss(); 2315 } 2316 } 2317 2318 /** 2319 * Return whether a touch event was inside the delete target of 2320 * a selected chip. It is in the delete target if: 2321 * 1) the x and y points of the event are within the 2322 * delete assset. 2323 * 2) the point tapped would have caused a cursor to appear 2324 * right after the selected chip. 2325 * @return boolean 2326 */ 2327 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2328 // Figure out the bounds of this chip and whether or not 2329 // the user clicked in the X portion. 2330 // TODO: Should x and y be used, or removed? 2331 if (mDisableDelete) { 2332 return false; 2333 } 2334 2335 return chip.isSelected() && 2336 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2337 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2338 } 2339 2340 @Override 2341 public void onChipDelete() { 2342 if (mSelectedChip != null) { 2343 removeChip(mSelectedChip); 2344 mAddressPopup.dismiss(); 2345 mAlternatesPopup.dismiss(); 2346 } 2347 } 2348 2349 /** 2350 * Remove the chip and any text associated with it from the RecipientEditTextView. 2351 */ 2352 // Visible for testing. 2353 /* package */void removeChip(DrawableRecipientChip chip) { 2354 Spannable spannable = getSpannable(); 2355 int spanStart = spannable.getSpanStart(chip); 2356 int spanEnd = spannable.getSpanEnd(chip); 2357 Editable text = getText(); 2358 int toDelete = spanEnd; 2359 boolean wasSelected = chip == mSelectedChip; 2360 // Clear that there is a selected chip before updating any text. 2361 if (wasSelected) { 2362 mSelectedChip = null; 2363 } 2364 // Always remove trailing spaces when removing a chip. 2365 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2366 toDelete++; 2367 } 2368 spannable.removeSpan(chip); 2369 if (spanStart >= 0 && toDelete > 0) { 2370 text.delete(spanStart, toDelete); 2371 } 2372 if (wasSelected) { 2373 clearSelectedChip(); 2374 } 2375 } 2376 2377 /** 2378 * Replace this currently selected chip with a new chip 2379 * that uses the contact data provided. 2380 */ 2381 // Visible for testing. 2382 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2383 boolean wasSelected = chip == mSelectedChip; 2384 if (wasSelected) { 2385 mSelectedChip = null; 2386 } 2387 int start = getChipStart(chip); 2388 int end = getChipEnd(chip); 2389 getSpannable().removeSpan(chip); 2390 Editable editable = getText(); 2391 CharSequence chipText = createChip(entry, false); 2392 if (chipText != null) { 2393 if (start == -1 || end == -1) { 2394 Log.e(TAG, "The chip to replace does not exist but should."); 2395 editable.insert(0, chipText); 2396 } else { 2397 if (!TextUtils.isEmpty(chipText)) { 2398 // There may be a space to replace with this chip's new 2399 // associated space. Check for it 2400 int toReplace = end; 2401 while (toReplace >= 0 && toReplace < editable.length() 2402 && editable.charAt(toReplace) == ' ') { 2403 toReplace++; 2404 } 2405 editable.replace(start, toReplace, chipText); 2406 } 2407 } 2408 } 2409 setCursorVisible(true); 2410 if (wasSelected) { 2411 clearSelectedChip(); 2412 } 2413 } 2414 2415 /** 2416 * Handle click events for a chip. When a selected chip receives a click 2417 * event, see if that event was in the delete icon. If so, delete it. 2418 * Otherwise, unselect the chip. 2419 */ 2420 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2421 if (chip.isSelected()) { 2422 if (isInDelete(chip, offset, x, y)) { 2423 removeChip(chip); 2424 } else { 2425 clearSelectedChip(); 2426 } 2427 } 2428 } 2429 2430 private boolean chipsPending() { 2431 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2432 } 2433 2434 @Override 2435 public void removeTextChangedListener(TextWatcher watcher) { 2436 mTextWatcher = null; 2437 super.removeTextChangedListener(watcher); 2438 } 2439 2440 private boolean isValidEmailAddress(String input) { 2441 return !TextUtils.isEmpty(input) && mValidator != null && 2442 mValidator.isValid(input); 2443 } 2444 2445 private class RecipientTextWatcher implements TextWatcher { 2446 2447 @Override 2448 public void afterTextChanged(Editable s) { 2449 // If the text has been set to null or empty, make sure we remove 2450 // all the spans we applied. 2451 if (TextUtils.isEmpty(s)) { 2452 // Remove all the chips spans. 2453 Spannable spannable = getSpannable(); 2454 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2455 DrawableRecipientChip.class); 2456 for (DrawableRecipientChip chip : chips) { 2457 spannable.removeSpan(chip); 2458 } 2459 if (mMoreChip != null) { 2460 spannable.removeSpan(mMoreChip); 2461 } 2462 clearSelectedChip(); 2463 return; 2464 } 2465 // Get whether there are any recipients pending addition to the 2466 // view. If there are, don't do anything in the text watcher. 2467 if (chipsPending()) { 2468 return; 2469 } 2470 // If the user is editing a chip, don't clear it. 2471 if (mSelectedChip != null) { 2472 if (!isGeneratedContact(mSelectedChip)) { 2473 setCursorVisible(true); 2474 setSelection(getText().length()); 2475 clearSelectedChip(); 2476 } else { 2477 return; 2478 } 2479 } 2480 int length = s.length(); 2481 // Make sure there is content there to parse and that it is 2482 // not just the commit character. 2483 if (length > 1) { 2484 if (lastCharacterIsCommitCharacter(s)) { 2485 commitByCharacter(); 2486 return; 2487 } 2488 char last; 2489 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2490 int len = length() - 1; 2491 if (end != len) { 2492 last = s.charAt(end); 2493 } else { 2494 last = s.charAt(len); 2495 } 2496 if (last == COMMIT_CHAR_SPACE) { 2497 if (!isPhoneQuery()) { 2498 // Check if this is a valid email address. If it is, 2499 // commit it. 2500 String text = getText().toString(); 2501 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2502 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2503 tokenStart)); 2504 if (isValidEmailAddress(sub)) { 2505 commitByCharacter(); 2506 } 2507 } 2508 } 2509 } 2510 } 2511 2512 @Override 2513 public void onTextChanged(CharSequence s, int start, int before, int count) { 2514 // The user deleted some text OR some text was replaced; check to 2515 // see if the insertion point is on a space 2516 // following a chip. 2517 if (before - count == 1) { 2518 // If the item deleted is a space, and the thing before the 2519 // space is a chip, delete the entire span. 2520 int selStart = getSelectionStart(); 2521 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2522 DrawableRecipientChip.class); 2523 if (repl.length > 0) { 2524 // There is a chip there! Just remove it. 2525 Editable editable = getText(); 2526 // Add the separator token. 2527 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2528 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2529 tokenEnd = tokenEnd + 1; 2530 if (tokenEnd > editable.length()) { 2531 tokenEnd = editable.length(); 2532 } 2533 editable.delete(tokenStart, tokenEnd); 2534 getSpannable().removeSpan(repl[0]); 2535 } 2536 } else if (count > before) { 2537 if (mSelectedChip != null 2538 && isGeneratedContact(mSelectedChip)) { 2539 if (lastCharacterIsCommitCharacter(s)) { 2540 commitByCharacter(); 2541 return; 2542 } 2543 } 2544 } 2545 } 2546 2547 @Override 2548 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2549 // Do nothing. 2550 } 2551 } 2552 2553 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2554 char last; 2555 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2556 int len = length() - 1; 2557 if (end != len) { 2558 last = s.charAt(end); 2559 } else { 2560 last = s.charAt(len); 2561 } 2562 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2563 } 2564 2565 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2566 long contactId = chip.getContactId(); 2567 return contactId == RecipientEntry.INVALID_CONTACT 2568 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2569 } 2570 2571 /** 2572 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2573 */ 2574 private void handlePasteClip(ClipData clip) { 2575 removeTextChangedListener(mTextWatcher); 2576 2577 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2578 for (int i = 0; i < clip.getItemCount(); i++) { 2579 CharSequence paste = clip.getItemAt(i).getText(); 2580 if (paste != null) { 2581 int start = getSelectionStart(); 2582 int end = getSelectionEnd(); 2583 Editable editable = getText(); 2584 if (start >= 0 && end >= 0 && start != end) { 2585 editable.append(paste, start, end); 2586 } else { 2587 editable.insert(end, paste); 2588 } 2589 handlePasteAndReplace(); 2590 } 2591 } 2592 } 2593 2594 mHandler.post(mAddTextWatcher); 2595 } 2596 2597 @Override 2598 public boolean onTextContextMenuItem(int id) { 2599 if (id == android.R.id.paste) { 2600 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2601 Context.CLIPBOARD_SERVICE); 2602 handlePasteClip(clipboard.getPrimaryClip()); 2603 return true; 2604 } 2605 return super.onTextContextMenuItem(id); 2606 } 2607 2608 private void handlePasteAndReplace() { 2609 ArrayList<DrawableRecipientChip> created = handlePaste(); 2610 if (created != null && created.size() > 0) { 2611 // Perform reverse lookups on the pasted contacts. 2612 IndividualReplacementTask replace = new IndividualReplacementTask(); 2613 replace.execute(created); 2614 } 2615 } 2616 2617 // Visible for testing. 2618 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2619 String text = getText().toString(); 2620 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2621 String lastAddress = text.substring(originalTokenStart); 2622 int tokenStart = originalTokenStart; 2623 int prevTokenStart = 0; 2624 DrawableRecipientChip findChip = null; 2625 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2626 if (tokenStart != 0) { 2627 // There are things before this! 2628 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2629 prevTokenStart = tokenStart; 2630 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2631 findChip = findChip(tokenStart); 2632 if (tokenStart == originalTokenStart && findChip == null) { 2633 break; 2634 } 2635 } 2636 if (tokenStart != originalTokenStart) { 2637 if (findChip != null) { 2638 tokenStart = prevTokenStart; 2639 } 2640 int tokenEnd; 2641 DrawableRecipientChip createdChip; 2642 while (tokenStart < originalTokenStart) { 2643 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2644 tokenStart)); 2645 commitChip(tokenStart, tokenEnd, getText()); 2646 createdChip = findChip(tokenStart); 2647 if (createdChip == null) { 2648 break; 2649 } 2650 // +1 for the space at the end. 2651 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2652 created.add(createdChip); 2653 } 2654 } 2655 } 2656 // Take a look at the last token. If the token has been completed with a 2657 // commit character, create a chip. 2658 if (isCompletedToken(lastAddress)) { 2659 Editable editable = getText(); 2660 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2661 commitChip(tokenStart, editable.length(), editable); 2662 created.add(findChip(tokenStart)); 2663 } 2664 return created; 2665 } 2666 2667 // Visible for testing. 2668 /* package */int movePastTerminators(int tokenEnd) { 2669 if (tokenEnd >= length()) { 2670 return tokenEnd; 2671 } 2672 char atEnd = getText().toString().charAt(tokenEnd); 2673 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2674 tokenEnd++; 2675 } 2676 // This token had not only an end token character, but also a space 2677 // separating it from the next token. 2678 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2679 tokenEnd++; 2680 } 2681 return tokenEnd; 2682 } 2683 2684 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2685 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2686 try { 2687 if (mNoChips) { 2688 return null; 2689 } 2690 return constructChipSpan(entry, false); 2691 } catch (NullPointerException e) { 2692 Log.e(TAG, e.getMessage(), e); 2693 return null; 2694 } 2695 } 2696 2697 @Override 2698 protected void onPreExecute() { 2699 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2700 // replaced 2701 final List<DrawableRecipientChip> originalRecipients = 2702 new ArrayList<DrawableRecipientChip>(); 2703 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2704 for (int i = 0; i < existingChips.length; i++) { 2705 originalRecipients.add(existingChips[i]); 2706 } 2707 if (mRemovedSpans != null) { 2708 originalRecipients.addAll(mRemovedSpans); 2709 } 2710 2711 final List<DrawableRecipientChip> replacements = 2712 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2713 2714 for (final DrawableRecipientChip chip : originalRecipients) { 2715 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2716 && getSpannable().getSpanStart(chip) != -1) { 2717 replacements.add(createFreeChip(chip.getEntry())); 2718 } else { 2719 replacements.add(null); 2720 } 2721 } 2722 2723 processReplacements(originalRecipients, replacements); 2724 } 2725 2726 @Override 2727 protected Void doInBackground(Void... params) { 2728 if (mIndividualReplacements != null) { 2729 mIndividualReplacements.cancel(true); 2730 } 2731 // For each chip in the list, look up the matching contact. 2732 // If there is a match, replace that chip with the matching 2733 // chip. 2734 final ArrayList<DrawableRecipientChip> recipients = 2735 new ArrayList<DrawableRecipientChip>(); 2736 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2737 for (int i = 0; i < existingChips.length; i++) { 2738 recipients.add(existingChips[i]); 2739 } 2740 if (mRemovedSpans != null) { 2741 recipients.addAll(mRemovedSpans); 2742 } 2743 ArrayList<String> addresses = new ArrayList<String>(); 2744 DrawableRecipientChip chip; 2745 for (int i = 0; i < recipients.size(); i++) { 2746 chip = recipients.get(i); 2747 if (chip != null) { 2748 addresses.add(createAddressText(chip.getEntry())); 2749 } 2750 } 2751 final BaseRecipientAdapter adapter = getAdapter(); 2752 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2753 @Override 2754 public void matchesFound(Map<String, RecipientEntry> entries) { 2755 final ArrayList<DrawableRecipientChip> replacements = 2756 new ArrayList<DrawableRecipientChip>(); 2757 for (final DrawableRecipientChip temp : recipients) { 2758 RecipientEntry entry = null; 2759 if (temp != null && RecipientEntry.isCreatedRecipient( 2760 temp.getEntry().getContactId()) 2761 && getSpannable().getSpanStart(temp) != -1) { 2762 // Replace this. 2763 entry = createValidatedEntry( 2764 entries.get(tokenizeAddress(temp.getEntry() 2765 .getDestination()))); 2766 } 2767 if (entry != null) { 2768 replacements.add(createFreeChip(entry)); 2769 } else { 2770 replacements.add(null); 2771 } 2772 } 2773 processReplacements(recipients, replacements); 2774 } 2775 2776 @Override 2777 public void matchesNotFound(final Set<String> unfoundAddresses) { 2778 final List<DrawableRecipientChip> replacements = 2779 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2780 2781 for (final DrawableRecipientChip temp : recipients) { 2782 if (temp != null && RecipientEntry.isCreatedRecipient( 2783 temp.getEntry().getContactId()) 2784 && getSpannable().getSpanStart(temp) != -1) { 2785 if (unfoundAddresses.contains( 2786 temp.getEntry().getDestination())) { 2787 replacements.add(createFreeChip(temp.getEntry())); 2788 } else { 2789 replacements.add(null); 2790 } 2791 } else { 2792 replacements.add(null); 2793 } 2794 } 2795 2796 processReplacements(recipients, replacements); 2797 } 2798 }); 2799 return null; 2800 } 2801 2802 private void processReplacements(final List<DrawableRecipientChip> recipients, 2803 final List<DrawableRecipientChip> replacements) { 2804 if (replacements != null && replacements.size() > 0) { 2805 final Runnable runnable = new Runnable() { 2806 @Override 2807 public void run() { 2808 final Editable text = new SpannableStringBuilder(getText()); 2809 int i = 0; 2810 for (final DrawableRecipientChip chip : recipients) { 2811 final DrawableRecipientChip replacement = replacements.get(i); 2812 if (replacement != null) { 2813 final RecipientEntry oldEntry = chip.getEntry(); 2814 final RecipientEntry newEntry = replacement.getEntry(); 2815 final boolean isBetter = 2816 RecipientAlternatesAdapter.getBetterRecipient( 2817 oldEntry, newEntry) == newEntry; 2818 2819 if (isBetter) { 2820 // Find the location of the chip in the text currently shown. 2821 final int start = text.getSpanStart(chip); 2822 if (start != -1) { 2823 // Replacing the entirety of what the chip represented, 2824 // including the extra space dividing it from other chips. 2825 final int end = 2826 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2827 text.removeSpan(chip); 2828 // Make sure we always have just 1 space at the end to 2829 // separate this chip from the next chip. 2830 final SpannableString displayText = 2831 new SpannableString(createAddressText( 2832 replacement.getEntry()).trim() + " "); 2833 displayText.setSpan(replacement, 0, 2834 displayText.length() - 1, 2835 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2836 // Replace the old text we found with with the new display 2837 // text, which now may also contain the display name of the 2838 // recipient. 2839 text.replace(start, end, displayText); 2840 replacement.setOriginalText(displayText.toString()); 2841 replacements.set(i, null); 2842 2843 recipients.set(i, replacement); 2844 } 2845 } 2846 } 2847 i++; 2848 } 2849 setText(text); 2850 } 2851 }; 2852 2853 if (Looper.myLooper() == Looper.getMainLooper()) { 2854 runnable.run(); 2855 } else { 2856 mHandler.post(runnable); 2857 } 2858 } 2859 } 2860 } 2861 2862 private class IndividualReplacementTask 2863 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2864 @Override 2865 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2866 // For each chip in the list, look up the matching contact. 2867 // If there is a match, replace that chip with the matching 2868 // chip. 2869 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2870 ArrayList<String> addresses = new ArrayList<String>(); 2871 DrawableRecipientChip chip; 2872 for (int i = 0; i < originalRecipients.size(); i++) { 2873 chip = originalRecipients.get(i); 2874 if (chip != null) { 2875 addresses.add(createAddressText(chip.getEntry())); 2876 } 2877 } 2878 final BaseRecipientAdapter adapter = getAdapter(); 2879 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2880 2881 @Override 2882 public void matchesFound(Map<String, RecipientEntry> entries) { 2883 for (final DrawableRecipientChip temp : originalRecipients) { 2884 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2885 .getContactId()) 2886 && getSpannable().getSpanStart(temp) != -1) { 2887 // Replace this. 2888 final RecipientEntry entry = createValidatedEntry(entries 2889 .get(tokenizeAddress(temp.getEntry().getDestination()) 2890 .toLowerCase())); 2891 if (entry != null) { 2892 mHandler.post(new Runnable() { 2893 @Override 2894 public void run() { 2895 replaceChip(temp, entry); 2896 } 2897 }); 2898 } 2899 } 2900 } 2901 } 2902 2903 @Override 2904 public void matchesNotFound(final Set<String> unfoundAddresses) { 2905 // No action required 2906 } 2907 }); 2908 return null; 2909 } 2910 } 2911 2912 2913 /** 2914 * MoreImageSpan is a simple class created for tracking the existence of a 2915 * more chip across activity restarts/ 2916 */ 2917 private class MoreImageSpan extends ImageSpan { 2918 public MoreImageSpan(Drawable b) { 2919 super(b); 2920 } 2921 } 2922 2923 @Override 2924 public boolean onDown(MotionEvent e) { 2925 return false; 2926 } 2927 2928 @Override 2929 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2930 // Do nothing. 2931 return false; 2932 } 2933 2934 @Override 2935 public void onLongPress(MotionEvent event) { 2936 if (mSelectedChip != null) { 2937 return; 2938 } 2939 float x = event.getX(); 2940 float y = event.getY(); 2941 final int offset = putOffsetInRange(x, y); 2942 DrawableRecipientChip currentChip = findChip(offset); 2943 if (currentChip != null) { 2944 if (mDragEnabled) { 2945 // Start drag-and-drop for the selected chip. 2946 startDrag(currentChip); 2947 } else { 2948 // Copy the selected chip email address. 2949 showCopyDialog(currentChip.getEntry().getDestination()); 2950 } 2951 } 2952 } 2953 2954 // The following methods are used to provide some functionality on older versions of Android 2955 // These methods were copied out of JB MR2's TextView 2956 ///////////////////////////////////////////////// 2957 private int supportGetOffsetForPosition(float x, float y) { 2958 if (getLayout() == null) return -1; 2959 final int line = supportGetLineAtCoordinate(y); 2960 final int offset = supportGetOffsetAtCoordinate(line, x); 2961 return offset; 2962 } 2963 2964 private float supportConvertToLocalHorizontalCoordinate(float x) { 2965 x -= getTotalPaddingLeft(); 2966 // Clamp the position to inside of the view. 2967 x = Math.max(0.0f, x); 2968 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2969 x += getScrollX(); 2970 return x; 2971 } 2972 2973 private int supportGetLineAtCoordinate(float y) { 2974 y -= getTotalPaddingLeft(); 2975 // Clamp the position to inside of the view. 2976 y = Math.max(0.0f, y); 2977 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2978 y += getScrollY(); 2979 return getLayout().getLineForVertical((int) y); 2980 } 2981 2982 private int supportGetOffsetAtCoordinate(int line, float x) { 2983 x = supportConvertToLocalHorizontalCoordinate(x); 2984 return getLayout().getOffsetForHorizontal(line, x); 2985 } 2986 ///////////////////////////////////////////////// 2987 2988 /** 2989 * Enables drag-and-drop for chips. 2990 */ 2991 public void enableDrag() { 2992 mDragEnabled = true; 2993 } 2994 2995 /** 2996 * Starts drag-and-drop for the selected chip. 2997 */ 2998 private void startDrag(DrawableRecipientChip currentChip) { 2999 String address = currentChip.getEntry().getDestination(); 3000 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 3001 3002 // Start drag mode. 3003 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 3004 3005 // Remove the current chip, so drag-and-drop will result in a move. 3006 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3007 removeChip(currentChip); 3008 } 3009 3010 /** 3011 * Handles drag event. 3012 */ 3013 @Override 3014 public boolean onDragEvent(DragEvent event) { 3015 switch (event.getAction()) { 3016 case DragEvent.ACTION_DRAG_STARTED: 3017 // Only handle plain text drag and drop. 3018 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3019 case DragEvent.ACTION_DRAG_ENTERED: 3020 requestFocus(); 3021 return true; 3022 case DragEvent.ACTION_DROP: 3023 handlePasteClip(event.getClipData()); 3024 return true; 3025 } 3026 return false; 3027 } 3028 3029 /** 3030 * Drag shadow for a {@link DrawableRecipientChip}. 3031 */ 3032 private final class RecipientChipShadow extends DragShadowBuilder { 3033 private final DrawableRecipientChip mChip; 3034 3035 public RecipientChipShadow(DrawableRecipientChip chip) { 3036 mChip = chip; 3037 } 3038 3039 @Override 3040 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3041 Rect rect = mChip.getBounds(); 3042 shadowSize.set(rect.width(), rect.height()); 3043 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3044 } 3045 3046 @Override 3047 public void onDrawShadow(Canvas canvas) { 3048 mChip.draw(canvas); 3049 } 3050 } 3051 3052 private void showCopyDialog(final String address) { 3053 if (!mAttachedToWindow) { 3054 return; 3055 } 3056 mCopyAddress = address; 3057 mCopyDialog.setTitle(address); 3058 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3059 mCopyDialog.setCancelable(true); 3060 mCopyDialog.setCanceledOnTouchOutside(true); 3061 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3062 button.setOnClickListener(this); 3063 int btnTitleId; 3064 if (isPhoneQuery()) { 3065 btnTitleId = R.string.copy_number; 3066 } else { 3067 btnTitleId = R.string.copy_email; 3068 } 3069 String buttonTitle = getContext().getResources().getString(btnTitleId); 3070 button.setText(buttonTitle); 3071 mCopyDialog.setOnDismissListener(this); 3072 mCopyDialog.show(); 3073 } 3074 3075 @Override 3076 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3077 // Do nothing. 3078 return false; 3079 } 3080 3081 @Override 3082 public void onShowPress(MotionEvent e) { 3083 // Do nothing. 3084 } 3085 3086 @Override 3087 public boolean onSingleTapUp(MotionEvent e) { 3088 // Do nothing. 3089 return false; 3090 } 3091 3092 @Override 3093 public void onDismiss(DialogInterface dialog) { 3094 mCopyAddress = null; 3095 } 3096 3097 @Override 3098 public void onClick(View v) { 3099 // Copy this to the clipboard. 3100 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3101 Context.CLIPBOARD_SERVICE); 3102 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3103 mCopyDialog.dismiss(); 3104 } 3105 3106 protected boolean isPhoneQuery() { 3107 return getAdapter() != null 3108 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3109 } 3110 3111 @Override 3112 public BaseRecipientAdapter getAdapter() { 3113 return (BaseRecipientAdapter) super.getAdapter(); 3114 } 3115 3116 /** 3117 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3118 * unfinished text at the end. 3119 */ 3120 public void appendRecipientEntry(final RecipientEntry entry) { 3121 clearComposingText(); 3122 3123 final Editable editable = getText(); 3124 int chipInsertionPoint = 0; 3125 3126 // Find the end of last chip and see if there's any unchipified text. 3127 final DrawableRecipientChip[] recips = getSortedRecipients(); 3128 if (recips != null && recips.length > 0) { 3129 final DrawableRecipientChip last = recips[recips.length - 1]; 3130 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3131 // the insertion point will be kept untouched. 3132 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3133 } 3134 3135 final CharSequence chip = createChip(entry, false); 3136 if (chip != null) { 3137 editable.insert(chipInsertionPoint, chip); 3138 } 3139 } 3140 3141 /** 3142 * Remove all chips matching the given RecipientEntry. 3143 */ 3144 public void removeRecipientEntry(final RecipientEntry entry) { 3145 final DrawableRecipientChip[] recips = getText() 3146 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3147 3148 for (final DrawableRecipientChip recipient : recips) { 3149 final RecipientEntry existingEntry = recipient.getEntry(); 3150 if (existingEntry != null && existingEntry.isValid() && 3151 existingEntry.isSamePerson(entry)) { 3152 removeChip(recipient); 3153 } 3154 } 3155 } 3156 3157 public void setAlternatePopupAnchor(View v) { 3158 mAlternatePopupAnchor = v; 3159 } 3160 3161 private static class ChipBitmapContainer { 3162 Bitmap bitmap; 3163 // information used for positioning the loaded icon 3164 boolean loadIcon = true; 3165 float left; 3166 float top; 3167 float right; 3168 float bottom; 3169 } 3170} 3171