RecipientEditTextView.java revision 219cbfbd7806b17ce10ba2cfb3f0cd45d167d46c
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 private static final String TAG = "RecipientEditTextView"; 117 118 private static final char COMMIT_CHAR_COMMA = ','; 119 private static final char COMMIT_CHAR_SEMICOLON = ';'; 120 private static final char COMMIT_CHAR_SPACE = ' '; 121 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 122 + String.valueOf(COMMIT_CHAR_SPACE); 123 124 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 125 // parens, so numbers such as "1 (425) 222-2342" match. 126 private static final Pattern PHONE_PATTERN 127 = Pattern.compile( // sdd = space, dot, or dash 128 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 129 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 130 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 131 132 private static final int DISMISS = "dismiss".hashCode(); 133 private static final long DISMISS_DELAY = 300; 134 135 // TODO: get correct number/ algorithm from with UX. 136 // Visible for testing. 137 /*package*/ static final int CHIP_LIMIT = 2; 138 139 private static final int MAX_CHIPS_PARSED = 50; 140 141 private static int sSelectedTextColor = -1; 142 private static int sExcessTopPadding = -1; 143 144 // Resources for displaying chips. 145 private Drawable mChipBackground = null; 146 private Drawable mChipDelete = null; 147 private Drawable mInvalidChipBackground; 148 private Drawable mChipBackgroundPressed; 149 150 // Possible attr overrides 151 private float mChipHeight; 152 private float mChipFontSize; 153 private float mLineSpacingExtra; 154 private int mChipTextStartPadding; 155 private int mChipTextEndPadding; 156 private final int mTextHeight; 157 private boolean mDisableDelete; 158 private int mMaxLines; 159 private int mActionBarHeight; 160 161 /** 162 * Enumerator for avatar position. See attr.xml for more details. 163 * 0 for end, 1 for start. 164 */ 165 private int mAvatarPosition; 166 private static final int AVATAR_POSITION_END = 0; 167 private static final int AVATAR_POSITION_START = 1; 168 169 /** 170 * Enumerator for image span alignment. See attr.xml for more details. 171 * 0 for bottom, 1 for baseline. 172 */ 173 private int mImageSpanAlignment; 174 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 175 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 176 177 private Paint mWorkPaint = new Paint(); 178 179 private Tokenizer mTokenizer; 180 private Validator mValidator; 181 private Handler mHandler; 182 private TextWatcher mTextWatcher; 183 private DropdownChipLayouter mDropdownChipLayouter; 184 185 private ListPopupWindow mAlternatesPopup; 186 private ListPopupWindow mAddressPopup; 187 private View mAlternatePopupAnchor; 188 private OnItemClickListener mAlternatesListener; 189 190 private DrawableRecipientChip mSelectedChip; 191 private Bitmap mDefaultContactPhoto; 192 private ImageSpan mMoreChip; 193 private TextView mMoreItem; 194 195 // VisibleForTesting 196 final ArrayList<String> mPendingChips = new ArrayList<String>(); 197 198 199 private int mPendingChipsCount = 0; 200 private int mCheckedItem; 201 private boolean mNoChips = false; 202 private boolean mShouldShrink = true; 203 204 // VisibleForTesting 205 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 206 207 private ArrayList<DrawableRecipientChip> mRemovedSpans; 208 209 // Chip copy fields. 210 private GestureDetector mGestureDetector; 211 private Dialog mCopyDialog; 212 private String mCopyAddress; 213 214 // Obtain the enclosing scroll view, if it exists, so that the view can be 215 // scrolled to show the last line of chips content. 216 private ScrollView mScrollView; 217 private boolean mTriedGettingScrollView; 218 private boolean mDragEnabled = false; 219 220 private boolean mAttachedToWindow; 221 222 private final Runnable mAddTextWatcher = new Runnable() { 223 @Override 224 public void run() { 225 if (mTextWatcher == null) { 226 mTextWatcher = new RecipientTextWatcher(); 227 addTextChangedListener(mTextWatcher); 228 } 229 } 230 }; 231 232 private IndividualReplacementTask mIndividualReplacements; 233 234 private Runnable mHandlePendingChips = new Runnable() { 235 236 @Override 237 public void run() { 238 handlePendingChips(); 239 } 240 241 }; 242 243 private Runnable mDelayedShrink = new Runnable() { 244 245 @Override 246 public void run() { 247 shrink(); 248 } 249 250 }; 251 252 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 253 254 public interface RecipientEntryItemClickedListener { 255 /** 256 * Callback that occurs whenever an auto-complete suggestion is clicked. 257 * @param charactersTyped the number of characters typed by the user to provide the 258 * auto-complete suggestions. 259 * @param position the position in the dropdown list that the user clicked 260 */ 261 void onRecipientEntryItemClicked(int charactersTyped, int position); 262 } 263 264 public RecipientEditTextView(Context context, AttributeSet attrs) { 265 super(context, attrs); 266 setChipDimensions(context, attrs); 267 mTextHeight = calculateTextHeight(); 268 if (sSelectedTextColor == -1) { 269 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 270 } 271 mAlternatesPopup = new ListPopupWindow(context); 272 mAlternatesPopup.setBackgroundDrawable(null); 273 mAddressPopup = new ListPopupWindow(context); 274 mAddressPopup.setBackgroundDrawable(null); 275 mCopyDialog = new Dialog(context); 276 mAlternatesListener = new OnItemClickListener() { 277 @Override 278 public void onItemClick(AdapterView<?> adapterView,View view, int position, 279 long rowId) { 280 mAlternatesPopup.setOnItemClickListener(null); 281 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 282 .getRecipientEntry(position)); 283 Message delayed = Message.obtain(mHandler, DISMISS); 284 delayed.obj = mAlternatesPopup; 285 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 286 clearComposingText(); 287 } 288 }; 289 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 290 setOnItemClickListener(this); 291 setCustomSelectionActionModeCallback(this); 292 mHandler = new Handler() { 293 @Override 294 public void handleMessage(Message msg) { 295 if (msg.what == DISMISS) { 296 ((ListPopupWindow) msg.obj).dismiss(); 297 return; 298 } 299 super.handleMessage(msg); 300 } 301 }; 302 mTextWatcher = new RecipientTextWatcher(); 303 addTextChangedListener(mTextWatcher); 304 mGestureDetector = new GestureDetector(context, this); 305 setOnEditorActionListener(this); 306 307 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 308 } 309 310 private int calculateTextHeight() { 311 final Rect textBounds = new Rect(); 312 final TextPaint paint = getPaint(); 313 314 textBounds.setEmpty(); 315 // First measure the bounds of a sample text. 316 final String textHeightSample = "a"; 317 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), textBounds); 318 319 textBounds.left = 0; 320 textBounds.right = 0; 321 322 return textBounds.height(); 323 } 324 325 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 326 mDropdownChipLayouter = dropdownChipLayouter; 327 mDropdownChipLayouter.setDeleteListener(this); 328 } 329 330 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 331 mRecipientEntryItemClickedListener = listener; 332 } 333 334 @Override 335 protected void onDetachedFromWindow() { 336 super.onDetachedFromWindow(); 337 mAttachedToWindow = false; 338 } 339 340 @Override 341 protected void onAttachedToWindow() { 342 super.onAttachedToWindow(); 343 mAttachedToWindow = true; 344 } 345 346 @Override 347 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 348 if (action == EditorInfo.IME_ACTION_DONE) { 349 if (commitDefault()) { 350 return true; 351 } 352 if (mSelectedChip != null) { 353 clearSelectedChip(); 354 return true; 355 } else if (focusNext()) { 356 return true; 357 } 358 } 359 return false; 360 } 361 362 @Override 363 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 364 InputConnection connection = super.onCreateInputConnection(outAttrs); 365 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 366 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 367 // clear the existing action 368 outAttrs.imeOptions ^= imeActions; 369 // set the DONE action 370 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 371 } 372 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 373 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 374 } 375 376 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 377 outAttrs.actionLabel = getContext().getString(R.string.action_label); 378 return connection; 379 } 380 381 /*package*/ DrawableRecipientChip getLastChip() { 382 DrawableRecipientChip last = null; 383 DrawableRecipientChip[] chips = getSortedRecipients(); 384 if (chips != null && chips.length > 0) { 385 last = chips[chips.length - 1]; 386 } 387 return last; 388 } 389 390 /** 391 * @return The list of {@link RecipientEntry}s that have been selected by the user. 392 */ 393 public List<RecipientEntry> getSelectedRecipients() { 394 DrawableRecipientChip[] chips = 395 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 396 List<RecipientEntry> results = new ArrayList(); 397 if (chips == null) { 398 return results; 399 } 400 401 for (DrawableRecipientChip c : chips) { 402 results.add(c.getEntry()); 403 } 404 405 return results; 406 } 407 408 @Override 409 public void onSelectionChanged(int start, int end) { 410 // When selection changes, see if it is inside the chips area. 411 // If so, move the cursor back after the chips again. 412 DrawableRecipientChip last = getLastChip(); 413 if (last != null && start < getSpannable().getSpanEnd(last)) { 414 // Grab the last chip and set the cursor to after it. 415 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 416 } 417 super.onSelectionChanged(start, end); 418 } 419 420 @Override 421 public void onRestoreInstanceState(Parcelable state) { 422 if (!TextUtils.isEmpty(getText())) { 423 super.onRestoreInstanceState(null); 424 } else { 425 super.onRestoreInstanceState(state); 426 } 427 } 428 429 @Override 430 public Parcelable onSaveInstanceState() { 431 // If the user changes orientation while they are editing, just roll back the selection. 432 clearSelectedChip(); 433 return super.onSaveInstanceState(); 434 } 435 436 /** 437 * Convenience method: Append the specified text slice to the TextView's 438 * display buffer, upgrading it to BufferType.EDITABLE if it was 439 * not already editable. Commas are excluded as they are added automatically 440 * by the view. 441 */ 442 @Override 443 public void append(CharSequence text, int start, int end) { 444 // We don't care about watching text changes while appending. 445 if (mTextWatcher != null) { 446 removeTextChangedListener(mTextWatcher); 447 } 448 super.append(text, start, end); 449 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 450 String displayString = text.toString(); 451 452 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 453 // We have no separator, so we should add it 454 super.append(SEPARATOR, 0, SEPARATOR.length()); 455 displayString += SEPARATOR; 456 } 457 458 if (!TextUtils.isEmpty(displayString) 459 && TextUtils.getTrimmedLength(displayString) > 0) { 460 mPendingChipsCount++; 461 mPendingChips.add(displayString); 462 } 463 } 464 // Put a message on the queue to make sure we ALWAYS handle pending 465 // chips. 466 if (mPendingChipsCount > 0) { 467 postHandlePendingChips(); 468 } 469 mHandler.post(mAddTextWatcher); 470 } 471 472 @Override 473 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 474 super.onFocusChanged(hasFocus, direction, previous); 475 if (!hasFocus) { 476 shrink(); 477 } else { 478 expand(); 479 } 480 } 481 482 private int getExcessTopPadding() { 483 if (sExcessTopPadding == -1) { 484 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 485 } 486 return sExcessTopPadding; 487 } 488 489 @Override 490 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 491 super.setAdapter(adapter); 492 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 493 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 494 @Override 495 public void onChanged(List<RecipientEntry> entries) { 496 // Scroll the chips field to the top of the screen so 497 // that the user can see as many results as possible. 498 if (entries != null && entries.size() > 0) { 499 scrollBottomIntoView(); 500 } 501 } 502 }); 503 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 504 } 505 506 protected void scrollBottomIntoView() { 507 if (mScrollView != null && mShouldShrink) { 508 int[] location = new int[2]; 509 getLocationOnScreen(location); 510 int height = getHeight(); 511 int currentPos = location[1] + height; 512 // Desired position shows at least 1 line of chips below the action 513 // bar. We add excess padding to make sure this is always below other 514 // content. 515 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 516 if (currentPos > desiredPos) { 517 mScrollView.scrollBy(0, currentPos - desiredPos); 518 } 519 } 520 } 521 522 protected ScrollView getScrollView() { 523 return mScrollView; 524 } 525 526 @Override 527 public void performValidation() { 528 // Do nothing. Chips handles its own validation. 529 } 530 531 private void shrink() { 532 if (mTokenizer == null) { 533 return; 534 } 535 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 536 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 537 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 538 clearSelectedChip(); 539 } else { 540 if (getWidth() <= 0) { 541 // We don't have the width yet which means the view hasn't been drawn yet 542 // and there is no reason to attempt to commit chips yet. 543 // This focus lost must be the result of an orientation change 544 // or an initial rendering. 545 // Re-post the shrink for later. 546 mHandler.removeCallbacks(mDelayedShrink); 547 mHandler.post(mDelayedShrink); 548 return; 549 } 550 // Reset any pending chips as they would have been handled 551 // when the field lost focus. 552 if (mPendingChipsCount > 0) { 553 postHandlePendingChips(); 554 } else { 555 Editable editable = getText(); 556 int end = getSelectionEnd(); 557 int start = mTokenizer.findTokenStart(editable, end); 558 DrawableRecipientChip[] chips = 559 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 560 if ((chips == null || chips.length == 0)) { 561 Editable text = getText(); 562 int whatEnd = mTokenizer.findTokenEnd(text, start); 563 // This token was already tokenized, so skip past the ending token. 564 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 565 whatEnd = movePastTerminators(whatEnd); 566 } 567 // In the middle of chip; treat this as an edit 568 // and commit the whole token. 569 int selEnd = getSelectionEnd(); 570 if (whatEnd != selEnd) { 571 handleEdit(start, whatEnd); 572 } else { 573 commitChip(start, end, editable); 574 } 575 } 576 } 577 mHandler.post(mAddTextWatcher); 578 } 579 createMoreChip(); 580 } 581 582 private void expand() { 583 if (mShouldShrink) { 584 setMaxLines(Integer.MAX_VALUE); 585 } 586 removeMoreChip(); 587 setCursorVisible(true); 588 Editable text = getText(); 589 setSelection(text != null && text.length() > 0 ? text.length() : 0); 590 // If there are any temporary chips, try replacing them now that the user 591 // has expanded the field. 592 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 593 new RecipientReplacementTask().execute(); 594 mTemporaryRecipients = null; 595 } 596 } 597 598 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 599 paint.setTextSize(mChipFontSize); 600 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 601 Log.d(TAG, "Max width is negative: " + maxWidth); 602 } 603 return TextUtils.ellipsize(text, paint, maxWidth, 604 TextUtils.TruncateAt.END); 605 } 606 607 /** 608 * Creates a bitmap of the given contact on a selected chip. 609 * 610 * @param contact The recipient entry to pull data from. 611 * @param paint The paint to use to draw the bitmap. 612 */ 613 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 614 paint.setColor(sSelectedTextColor); 615 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 616 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 617 618 if (bitmapContainer.loadIcon) { 619 loadAvatarIcon(contact, bitmapContainer); 620 } 621 622 return bitmapContainer.bitmap; 623 } 624 625 /** 626 * Creates a bitmap of the given contact on a selected chip. 627 * 628 * @param contact The recipient entry to pull data from. 629 * @param paint The paint to use to draw the bitmap. 630 */ 631 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 632 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 633 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 634 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 635 636 if (bitmapContainer.loadIcon) { 637 loadAvatarIcon(contact, bitmapContainer); 638 } 639 return bitmapContainer.bitmap; 640 } 641 642 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 643 Drawable overrideBackgroundDrawable, int backgroundColor) { 644 final ChipBitmapContainer result = new ChipBitmapContainer(); 645 646 Rect backgroundPadding = new Rect(); 647 if (overrideBackgroundDrawable != null) { 648 overrideBackgroundDrawable.getPadding(backgroundPadding); 649 } 650 651 // Ellipsize the text so that it takes AT MOST the entire width of the 652 // autocomplete text entry area. Make sure to leave space for padding 653 // on the sides. 654 int height = (int) mChipHeight; 655 // Since the icon is a square, it's width is equal to the maximum height it can be inside 656 // the chip. Don't include iconWidth for invalid contacts. 657 int iconWidth = contact.isValid() ? 658 height - backgroundPadding.top - backgroundPadding.bottom : 0; 659 float[] widths = new float[1]; 660 paint.getTextWidths(" ", widths); 661 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 662 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 663 - backgroundPadding.right); 664 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 665 666 // Chip start padding is the same as the end padding if there is no contact image. 667 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 668 // Make sure there is a minimum chip width so the user can ALWAYS 669 // tap a chip without difficulty. 670 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 671 + iconWidth + backgroundPadding.left + backgroundPadding.right); 672 673 // Create the background of the chip. 674 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 675 final Canvas canvas = new Canvas(result.bitmap); 676 677 // Check if the background drawable is set via attr 678 if (overrideBackgroundDrawable != null) { 679 overrideBackgroundDrawable.setBounds(0, 0, width, height); 680 overrideBackgroundDrawable.draw(canvas); 681 } else { 682 // Draw the default chip background 683 final Paint backgroundPaint = new Paint(); 684 backgroundPaint.setColor(backgroundColor); 685 final float radius = height / 2; 686 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 687 backgroundPaint); 688 } 689 690 // Draw the text vertically aligned 691 int textX = shouldPositionAvatarOnRight() ? 692 mChipTextEndPadding + backgroundPadding.left : 693 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 694 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 695 textX, getTextYOffset(height), paint); 696 697 // Set the variables that are needed to draw the icon bitmap once it's loaded 698 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 699 backgroundPadding.left; 700 result.left = iconX; 701 result.top = backgroundPadding.top; 702 result.right = iconX + iconWidth; 703 result.bottom = height - backgroundPadding.bottom; 704 705 return result; 706 } 707 708 /** 709 * Helper function that draws the loaded icon bitmap into the chips bitmap 710 */ 711 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 712 final Canvas canvas = new Canvas(bitMapResult.bitmap); 713 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 714 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 715 bitMapResult.bottom); 716 drawIconOnCanvas(icon, canvas, src, dst); 717 } 718 719 /** 720 * Returns true if the avatar should be positioned at the right edge of the chip. 721 * Takes into account both the set avatar position (start or end) as well as whether 722 * the layout direction is LTR or RTL. 723 */ 724 private boolean shouldPositionAvatarOnRight() { 725 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 726 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 727 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 728 // If in Rtl mode, the position should be flipped. 729 return isRtl ? !assignedPosition : assignedPosition; 730 } 731 732 /** 733 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 734 * draw an icon for this recipient. 735 */ 736 private void loadAvatarIcon(final RecipientEntry contact, 737 final ChipBitmapContainer bitmapContainer) { 738 // Don't draw photos for recipients that have been typed in OR generated on the fly. 739 long contactId = contact.getContactId(); 740 boolean drawPhotos = isPhoneQuery() ? 741 contactId != RecipientEntry.INVALID_CONTACT 742 : (contactId != RecipientEntry.INVALID_CONTACT 743 && contactId != RecipientEntry.GENERATED_CONTACT); 744 745 if (drawPhotos) { 746 final byte[] origPhotoBytes = contact.getPhotoBytes(); 747 // There may not be a photo yet if anything but the first contact address 748 // was selected. 749 if (origPhotoBytes == null) { 750 // TODO: cache this in the recipient entry? 751 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 752 @Override 753 public void onPhotoBytesPopulated() { 754 // Call through to the async version which will ensure 755 // proper threading. 756 onPhotoBytesAsynchronouslyPopulated(); 757 } 758 759 @Override 760 public void onPhotoBytesAsynchronouslyPopulated() { 761 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 762 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 763 loadedPhotoBytes.length); 764 tryDrawAndInvalidate(icon); 765 } 766 767 @Override 768 public void onPhotoBytesAsyncLoadFailed() { 769 // TODO: can the scaled down default photo be cached? 770 tryDrawAndInvalidate(mDefaultContactPhoto); 771 } 772 773 private void tryDrawAndInvalidate(Bitmap icon) { 774 drawIcon(bitmapContainer, icon); 775 // The caller might originated from a background task. However, if the 776 // background task has already completed, the view might be already drawn 777 // on the UI but the callback would happen on the background thread. 778 // So if we are on a background thread, post an invalidate call to the UI. 779 if (Looper.myLooper() == Looper.getMainLooper()) { 780 // The view might not redraw itself since it's loaded asynchronously 781 invalidate(); 782 } else { 783 post(new Runnable() { 784 @Override 785 public void run() { 786 invalidate(); 787 } 788 }); 789 } 790 } 791 }); 792 } else { 793 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 794 origPhotoBytes.length); 795 drawIcon(bitmapContainer, icon); 796 } 797 } 798 } 799 800 /** 801 * Get the background drawable for a RecipientChip. 802 */ 803 // Visible for testing. 804 /* package */Drawable getChipBackground(RecipientEntry contact) { 805 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 806 } 807 808 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 809 return getResources().getColor(contact.isValid() ? R.color.chip_background : 810 R.color.chip_background_invalid); 811 } 812 813 /** 814 * Given a height, returns a Y offset that will draw the text in the middle of the height. 815 */ 816 protected float getTextYOffset(int height) { 817 return height - ((height - mTextHeight) / 2); 818 } 819 820 /** 821 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 822 * rectangle of the canvas. 823 */ 824 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 825 final Matrix matrix = new Matrix(); 826 827 // Draw bitmap through shader first. 828 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 829 matrix.reset(); 830 831 // Fit bitmap to bounds. 832 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 833 834 shader.setLocalMatrix(matrix); 835 mWorkPaint.reset(); 836 mWorkPaint.setShader(shader); 837 mWorkPaint.setAntiAlias(true); 838 mWorkPaint.setFilterBitmap(true); 839 mWorkPaint.setDither(true); 840 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 841 842 // Then draw the border. 843 final float borderWidth = 1f; 844 mWorkPaint.reset(); 845 mWorkPaint.setColor(Color.TRANSPARENT); 846 mWorkPaint.setStyle(Style.STROKE); 847 mWorkPaint.setStrokeWidth(borderWidth); 848 mWorkPaint.setAntiAlias(true); 849 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 850 851 mWorkPaint.reset(); 852 } 853 854 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 855 TextPaint paint = getPaint(); 856 float defaultSize = paint.getTextSize(); 857 int defaultColor = paint.getColor(); 858 859 Bitmap tmpBitmap; 860 if (pressed) { 861 tmpBitmap = createSelectedChip(contact, paint); 862 863 } else { 864 tmpBitmap = createUnselectedChip(contact, paint); 865 } 866 867 // Pass the full text, un-ellipsized, to the chip. 868 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 869 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 870 DrawableRecipientChip recipientChip = 871 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 872 // Return text to the original size. 873 paint.setTextSize(defaultSize); 874 paint.setColor(defaultColor); 875 return recipientChip; 876 } 877 878 private int getImageSpanAlignment() { 879 switch (mImageSpanAlignment) { 880 case IMAGE_SPAN_ALIGNMENT_BASELINE: 881 return ImageSpan.ALIGN_BASELINE; 882 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 883 return ImageSpan.ALIGN_BOTTOM; 884 default: 885 return ImageSpan.ALIGN_BOTTOM; 886 } 887 } 888 889 /** 890 * Calculate the bottom of the line the chip will be located on using: 891 * 1) which line the chip appears on 892 * 2) the height of a chip 893 * 3) padding built into the edit text view 894 */ 895 private int calculateOffsetFromBottom(int line) { 896 // Line offsets start at zero. 897 int actualLine = getLineCount() - (line + 1); 898 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 899 + getDropDownVerticalOffset(); 900 } 901 902 /** 903 * Calculate the offset from bottom of the EditText to top of the provided line. 904 */ 905 private int calculateOffsetFromBottomToTop(int line) { 906 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 907 .abs(getLineCount() - line)) + getPaddingBottom()); 908 } 909 910 /** 911 * Get the max amount of space a chip can take up. The formula takes into 912 * account the width of the EditTextView, any view padding, and padding 913 * that will be added to the chip. 914 */ 915 private float calculateAvailableWidth() { 916 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 917 - mChipTextEndPadding; 918 } 919 920 921 private void setChipDimensions(Context context, AttributeSet attrs) { 922 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 923 0); 924 Resources r = getContext().getResources(); 925 926 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 927 mChipBackgroundPressed = a 928 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 929 mInvalidChipBackground = a 930 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 931 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 932 if (mChipDelete == null) { 933 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 934 } 935 mChipTextStartPadding = mChipTextEndPadding 936 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 937 if (mChipTextStartPadding == -1) { 938 mChipTextStartPadding = mChipTextEndPadding = 939 (int) r.getDimension(R.dimen.chip_padding); 940 } 941 // xml-overrides for each individual padding 942 // TODO: add these to attr? 943 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 944 if (overridePadding >= 0) { 945 mChipTextStartPadding = overridePadding; 946 } 947 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 948 if (overridePadding >= 0) { 949 mChipTextEndPadding = overridePadding; 950 } 951 952 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 953 954 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 955 956 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 957 if (mChipHeight == -1) { 958 mChipHeight = r.getDimension(R.dimen.chip_height); 959 } 960 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 961 if (mChipFontSize == -1) { 962 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 963 } 964 mAvatarPosition = 965 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 966 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 967 IMAGE_SPAN_ALIGNMENT_BASELINE); 968 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 969 970 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 971 mMaxLines = r.getInteger(R.integer.chips_max_lines); 972 TypedValue tv = new TypedValue(); 973 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 974 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 975 .getDisplayMetrics()); 976 } 977 978 a.recycle(); 979 } 980 981 // Visible for testing. 982 /* package */ void setMoreItem(TextView moreItem) { 983 mMoreItem = moreItem; 984 } 985 986 987 // Visible for testing. 988 /* package */ void setChipBackground(Drawable chipBackground) { 989 mChipBackground = chipBackground; 990 } 991 992 // Visible for testing. 993 /* package */ void setChipHeight(int height) { 994 mChipHeight = height; 995 } 996 997 public float getChipHeight() { 998 return mChipHeight; 999 } 1000 1001 /** 1002 * Set whether to shrink the recipients field such that at most 1003 * one line of recipients chips are shown when the field loses 1004 * focus. By default, the number of displayed recipients will be 1005 * limited and a "more" chip will be shown when focus is lost. 1006 * @param shrink 1007 */ 1008 public void setOnFocusListShrinkRecipients(boolean shrink) { 1009 mShouldShrink = shrink; 1010 } 1011 1012 @Override 1013 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1014 super.onSizeChanged(width, height, oldw, oldh); 1015 if (width != 0 && height != 0) { 1016 if (mPendingChipsCount > 0) { 1017 postHandlePendingChips(); 1018 } else { 1019 checkChipWidths(); 1020 } 1021 } 1022 // Try to find the scroll view parent, if it exists. 1023 if (mScrollView == null && !mTriedGettingScrollView) { 1024 ViewParent parent = getParent(); 1025 while (parent != null && !(parent instanceof ScrollView)) { 1026 parent = parent.getParent(); 1027 } 1028 if (parent != null) { 1029 mScrollView = (ScrollView) parent; 1030 } 1031 mTriedGettingScrollView = true; 1032 } 1033 } 1034 1035 private void postHandlePendingChips() { 1036 mHandler.removeCallbacks(mHandlePendingChips); 1037 mHandler.post(mHandlePendingChips); 1038 } 1039 1040 private void checkChipWidths() { 1041 // Check the widths of the associated chips. 1042 DrawableRecipientChip[] chips = getSortedRecipients(); 1043 if (chips != null) { 1044 Rect bounds; 1045 for (DrawableRecipientChip chip : chips) { 1046 bounds = chip.getBounds(); 1047 if (getWidth() > 0 && bounds.right - bounds.left > 1048 getWidth() - getPaddingLeft() - getPaddingRight()) { 1049 // Need to redraw that chip. 1050 replaceChip(chip, chip.getEntry()); 1051 } 1052 } 1053 } 1054 } 1055 1056 // Visible for testing. 1057 /*package*/ void handlePendingChips() { 1058 if (getViewWidth() <= 0) { 1059 // The widget has not been sized yet. 1060 // This will be called as a result of onSizeChanged 1061 // at a later point. 1062 return; 1063 } 1064 if (mPendingChipsCount <= 0) { 1065 return; 1066 } 1067 1068 synchronized (mPendingChips) { 1069 Editable editable = getText(); 1070 // Tokenize! 1071 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1072 for (int i = 0; i < mPendingChips.size(); i++) { 1073 String current = mPendingChips.get(i); 1074 int tokenStart = editable.toString().indexOf(current); 1075 // Always leave a space at the end between tokens. 1076 int tokenEnd = tokenStart + current.length() - 1; 1077 if (tokenStart >= 0) { 1078 // When we have a valid token, include it with the token 1079 // to the left. 1080 if (tokenEnd < editable.length() - 2 1081 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1082 tokenEnd++; 1083 } 1084 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1085 || !mShouldShrink); 1086 } 1087 mPendingChipsCount--; 1088 } 1089 sanitizeEnd(); 1090 } else { 1091 mNoChips = true; 1092 } 1093 1094 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1095 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1096 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1097 new RecipientReplacementTask().execute(); 1098 mTemporaryRecipients = null; 1099 } else { 1100 // Create the "more" chip 1101 mIndividualReplacements = new IndividualReplacementTask(); 1102 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1103 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1104 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1105 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1106 mTemporaryRecipients.subList(CHIP_LIMIT, 1107 mTemporaryRecipients.size())); 1108 } else { 1109 mTemporaryRecipients = null; 1110 } 1111 createMoreChip(); 1112 } 1113 } else { 1114 // There are too many recipients to look up, so just fall back 1115 // to showing addresses for all of them. 1116 mTemporaryRecipients = null; 1117 createMoreChip(); 1118 } 1119 mPendingChipsCount = 0; 1120 mPendingChips.clear(); 1121 } 1122 } 1123 1124 // Visible for testing. 1125 /*package*/ int getViewWidth() { 1126 return getWidth(); 1127 } 1128 1129 /** 1130 * Remove any characters after the last valid chip. 1131 */ 1132 // Visible for testing. 1133 /*package*/ void sanitizeEnd() { 1134 // Don't sanitize while we are waiting for pending chips to complete. 1135 if (mPendingChipsCount > 0) { 1136 return; 1137 } 1138 // Find the last chip; eliminate any commit characters after it. 1139 DrawableRecipientChip[] chips = getSortedRecipients(); 1140 Spannable spannable = getSpannable(); 1141 if (chips != null && chips.length > 0) { 1142 int end; 1143 mMoreChip = getMoreChip(); 1144 if (mMoreChip != null) { 1145 end = spannable.getSpanEnd(mMoreChip); 1146 } else { 1147 end = getSpannable().getSpanEnd(getLastChip()); 1148 } 1149 Editable editable = getText(); 1150 int length = editable.length(); 1151 if (length > end) { 1152 // See what characters occur after that and eliminate them. 1153 if (Log.isLoggable(TAG, Log.DEBUG)) { 1154 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1155 + editable); 1156 } 1157 editable.delete(end + 1, length); 1158 } 1159 } 1160 } 1161 1162 /** 1163 * Create a chip that represents just the email address of a recipient. At some later 1164 * point, this chip will be attached to a real contact entry, if one exists. 1165 */ 1166 // VisibleForTesting 1167 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1168 boolean visible) { 1169 if (alreadyHasChip(tokenStart, tokenEnd)) { 1170 // There is already a chip present at this location. 1171 // Don't recreate it. 1172 return; 1173 } 1174 String token = editable.toString().substring(tokenStart, tokenEnd); 1175 final String trimmedToken = token.trim(); 1176 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1177 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1178 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1179 } 1180 RecipientEntry entry = createTokenizedEntry(token); 1181 if (entry != null) { 1182 DrawableRecipientChip chip = null; 1183 try { 1184 if (!mNoChips) { 1185 chip = visible ? 1186 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1187 } 1188 } catch (NullPointerException e) { 1189 Log.e(TAG, e.getMessage(), e); 1190 } 1191 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1192 // Add this chip to the list of entries "to replace" 1193 if (chip != null) { 1194 if (mTemporaryRecipients == null) { 1195 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1196 } 1197 chip.setOriginalText(token); 1198 mTemporaryRecipients.add(chip); 1199 } 1200 } 1201 } 1202 1203 private static boolean isPhoneNumber(String number) { 1204 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1205 // PhoneNumberUtil). One complication is that it requires the sender's region which 1206 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1207 if (TextUtils.isEmpty(number)) { 1208 return false; 1209 } 1210 1211 Matcher match = PHONE_PATTERN.matcher(number); 1212 return match.matches(); 1213 } 1214 1215 // VisibleForTesting 1216 RecipientEntry createTokenizedEntry(final String token) { 1217 if (TextUtils.isEmpty(token)) { 1218 return null; 1219 } 1220 if (isPhoneQuery() && isPhoneNumber(token)) { 1221 return RecipientEntry.constructFakePhoneEntry(token, true); 1222 } 1223 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1224 String display = null; 1225 boolean isValid = isValid(token); 1226 if (isValid && tokens != null && tokens.length > 0) { 1227 // If we can get a name from tokenizing, then generate an entry from 1228 // this. 1229 display = tokens[0].getName(); 1230 if (!TextUtils.isEmpty(display)) { 1231 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1232 isValid); 1233 } else { 1234 display = tokens[0].getAddress(); 1235 if (!TextUtils.isEmpty(display)) { 1236 return RecipientEntry.constructFakeEntry(display, isValid); 1237 } 1238 } 1239 } 1240 // Unable to validate the token or to create a valid token from it. 1241 // Just create a chip the user can edit. 1242 String validatedToken = null; 1243 if (mValidator != null && !isValid) { 1244 // Try fixing up the entry using the validator. 1245 validatedToken = mValidator.fixText(token).toString(); 1246 if (!TextUtils.isEmpty(validatedToken)) { 1247 if (validatedToken.contains(token)) { 1248 // protect against the case of a validator with a null 1249 // domain, 1250 // which doesn't add a domain to the token 1251 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1252 if (tokenized.length > 0) { 1253 validatedToken = tokenized[0].getAddress(); 1254 isValid = true; 1255 } 1256 } else { 1257 // We ran into a case where the token was invalid and 1258 // removed 1259 // by the validator. In this case, just use the original 1260 // token 1261 // and let the user sort out the error chip. 1262 validatedToken = null; 1263 isValid = false; 1264 } 1265 } 1266 } 1267 // Otherwise, fallback to just creating an editable email address chip. 1268 return RecipientEntry.constructFakeEntry( 1269 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1270 } 1271 1272 private boolean isValid(String text) { 1273 return mValidator == null ? true : mValidator.isValid(text); 1274 } 1275 1276 private static String tokenizeAddress(String destination) { 1277 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1278 if (tokens != null && tokens.length > 0) { 1279 return tokens[0].getAddress(); 1280 } 1281 return destination; 1282 } 1283 1284 @Override 1285 public void setTokenizer(Tokenizer tokenizer) { 1286 mTokenizer = tokenizer; 1287 super.setTokenizer(mTokenizer); 1288 } 1289 1290 @Override 1291 public void setValidator(Validator validator) { 1292 mValidator = validator; 1293 super.setValidator(validator); 1294 } 1295 1296 /** 1297 * We cannot use the default mechanism for replaceText. Instead, 1298 * we override onItemClickListener so we can get all the associated 1299 * contact information including display text, address, and id. 1300 */ 1301 @Override 1302 protected void replaceText(CharSequence text) { 1303 return; 1304 } 1305 1306 /** 1307 * Dismiss any selected chips when the back key is pressed. 1308 */ 1309 @Override 1310 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1311 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1312 clearSelectedChip(); 1313 return true; 1314 } 1315 return super.onKeyPreIme(keyCode, event); 1316 } 1317 1318 /** 1319 * Monitor key presses in this view to see if the user types 1320 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1321 * If the user has entered text that has contact matches and types 1322 * a commit key, create a chip from the topmost matching contact. 1323 * If the user has entered text that has no contact matches and types 1324 * a commit key, then create a chip from the text they have entered. 1325 */ 1326 @Override 1327 public boolean onKeyUp(int keyCode, KeyEvent event) { 1328 switch (keyCode) { 1329 case KeyEvent.KEYCODE_TAB: 1330 if (event.hasNoModifiers()) { 1331 if (mSelectedChip != null) { 1332 clearSelectedChip(); 1333 } else { 1334 commitDefault(); 1335 } 1336 } 1337 break; 1338 } 1339 return super.onKeyUp(keyCode, event); 1340 } 1341 1342 private boolean focusNext() { 1343 View next = focusSearch(View.FOCUS_DOWN); 1344 if (next != null) { 1345 next.requestFocus(); 1346 return true; 1347 } 1348 return false; 1349 } 1350 1351 /** 1352 * Create a chip from the default selection. If the popup is showing, the 1353 * default is the selected item (if one is selected), or the first item, in the popup 1354 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1355 * tokenizer should search for a token to turn into a chip. 1356 * @return If a chip was created from a real contact. 1357 */ 1358 private boolean commitDefault() { 1359 // If there is no tokenizer, don't try to commit. 1360 if (mTokenizer == null) { 1361 return false; 1362 } 1363 Editable editable = getText(); 1364 int end = getSelectionEnd(); 1365 int start = mTokenizer.findTokenStart(editable, end); 1366 1367 if (shouldCreateChip(start, end)) { 1368 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1369 // In the middle of chip; treat this as an edit 1370 // and commit the whole token. 1371 whatEnd = movePastTerminators(whatEnd); 1372 if (whatEnd != getSelectionEnd()) { 1373 handleEdit(start, whatEnd); 1374 return true; 1375 } 1376 return commitChip(start, end , editable); 1377 } 1378 return false; 1379 } 1380 1381 private void commitByCharacter() { 1382 // We can't possibly commit by character if we can't tokenize. 1383 if (mTokenizer == null) { 1384 return; 1385 } 1386 Editable editable = getText(); 1387 int end = getSelectionEnd(); 1388 int start = mTokenizer.findTokenStart(editable, end); 1389 if (shouldCreateChip(start, end)) { 1390 commitChip(start, end, editable); 1391 } 1392 setSelection(getText().length()); 1393 } 1394 1395 private boolean commitChip(int start, int end, Editable editable) { 1396 ListAdapter adapter = getAdapter(); 1397 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1398 && end == getSelectionEnd() && !isPhoneQuery()) { 1399 // let's choose the selected or first entry if only the input text is NOT an email 1400 // address so we won't try to replace the user's potentially correct but 1401 // new/unencountered email input 1402 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1403 final int selectedPosition = getListSelection(); 1404 if (selectedPosition == -1) { 1405 // Nothing is selected; use the first item 1406 submitItemAtPosition(0); 1407 } else { 1408 submitItemAtPosition(selectedPosition); 1409 } 1410 } 1411 dismissDropDown(); 1412 return true; 1413 } else { 1414 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1415 if (editable.length() > tokenEnd + 1) { 1416 char charAt = editable.charAt(tokenEnd + 1); 1417 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1418 tokenEnd++; 1419 } 1420 } 1421 String text = editable.toString().substring(start, tokenEnd).trim(); 1422 clearComposingText(); 1423 if (text != null && text.length() > 0 && !text.equals(" ")) { 1424 RecipientEntry entry = createTokenizedEntry(text); 1425 if (entry != null) { 1426 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1427 CharSequence chipText = createChip(entry, false); 1428 if (chipText != null && start > -1 && end > -1) { 1429 editable.replace(start, end, chipText); 1430 } 1431 } 1432 // Only dismiss the dropdown if it is related to the text we 1433 // just committed. 1434 // For paste, it may not be as there are possibly multiple 1435 // tokens being added. 1436 if (end == getSelectionEnd()) { 1437 dismissDropDown(); 1438 } 1439 sanitizeBetween(); 1440 return true; 1441 } 1442 } 1443 return false; 1444 } 1445 1446 // Visible for testing. 1447 /* package */ void sanitizeBetween() { 1448 // Don't sanitize while we are waiting for content to chipify. 1449 if (mPendingChipsCount > 0) { 1450 return; 1451 } 1452 // Find the last chip. 1453 DrawableRecipientChip[] recips = getSortedRecipients(); 1454 if (recips != null && recips.length > 0) { 1455 DrawableRecipientChip last = recips[recips.length - 1]; 1456 DrawableRecipientChip beforeLast = null; 1457 if (recips.length > 1) { 1458 beforeLast = recips[recips.length - 2]; 1459 } 1460 int startLooking = 0; 1461 int end = getSpannable().getSpanStart(last); 1462 if (beforeLast != null) { 1463 startLooking = getSpannable().getSpanEnd(beforeLast); 1464 Editable text = getText(); 1465 if (startLooking == -1 || startLooking > text.length() - 1) { 1466 // There is nothing after this chip. 1467 return; 1468 } 1469 if (text.charAt(startLooking) == ' ') { 1470 startLooking++; 1471 } 1472 } 1473 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1474 getText().delete(startLooking, end); 1475 } 1476 } 1477 } 1478 1479 private boolean shouldCreateChip(int start, int end) { 1480 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1481 } 1482 1483 private boolean alreadyHasChip(int start, int end) { 1484 if (mNoChips) { 1485 return true; 1486 } 1487 DrawableRecipientChip[] chips = 1488 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1489 if ((chips == null || chips.length == 0)) { 1490 return false; 1491 } 1492 return true; 1493 } 1494 1495 private void handleEdit(int start, int end) { 1496 if (start == -1 || end == -1) { 1497 // This chip no longer exists in the field. 1498 dismissDropDown(); 1499 return; 1500 } 1501 // This is in the middle of a chip, so select out the whole chip 1502 // and commit it. 1503 Editable editable = getText(); 1504 setSelection(end); 1505 String text = getText().toString().substring(start, end); 1506 if (!TextUtils.isEmpty(text)) { 1507 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1508 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1509 CharSequence chipText = createChip(entry, false); 1510 int selEnd = getSelectionEnd(); 1511 if (chipText != null && start > -1 && selEnd > -1) { 1512 editable.replace(start, selEnd, chipText); 1513 } 1514 } 1515 dismissDropDown(); 1516 } 1517 1518 /** 1519 * If there is a selected chip, delegate the key events 1520 * to the selected chip. 1521 */ 1522 @Override 1523 public boolean onKeyDown(int keyCode, KeyEvent event) { 1524 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1525 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1526 mAlternatesPopup.dismiss(); 1527 } 1528 removeChip(mSelectedChip); 1529 } 1530 1531 switch (keyCode) { 1532 case KeyEvent.KEYCODE_ENTER: 1533 case KeyEvent.KEYCODE_DPAD_CENTER: 1534 if (event.hasNoModifiers()) { 1535 if (commitDefault()) { 1536 return true; 1537 } 1538 if (mSelectedChip != null) { 1539 clearSelectedChip(); 1540 return true; 1541 } else if (focusNext()) { 1542 return true; 1543 } 1544 } 1545 break; 1546 } 1547 1548 return super.onKeyDown(keyCode, event); 1549 } 1550 1551 // Visible for testing. 1552 /* package */ Spannable getSpannable() { 1553 return getText(); 1554 } 1555 1556 private int getChipStart(DrawableRecipientChip chip) { 1557 return getSpannable().getSpanStart(chip); 1558 } 1559 1560 private int getChipEnd(DrawableRecipientChip chip) { 1561 return getSpannable().getSpanEnd(chip); 1562 } 1563 1564 /** 1565 * Instead of filtering on the entire contents of the edit box, 1566 * this subclass method filters on the range from 1567 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1568 * if the length of that range meets or exceeds {@link #getThreshold} 1569 * and makes sure that the range is not already a Chip. 1570 */ 1571 @Override 1572 protected void performFiltering(CharSequence text, int keyCode) { 1573 boolean isCompletedToken = isCompletedToken(text); 1574 if (enoughToFilter() && !isCompletedToken) { 1575 int end = getSelectionEnd(); 1576 int start = mTokenizer.findTokenStart(text, end); 1577 // If this is a RecipientChip, don't filter 1578 // on its contents. 1579 Spannable span = getSpannable(); 1580 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1581 if (chips != null && chips.length > 0) { 1582 dismissDropDown(); 1583 return; 1584 } 1585 } else if (isCompletedToken) { 1586 dismissDropDown(); 1587 return; 1588 } 1589 super.performFiltering(text, keyCode); 1590 } 1591 1592 // Visible for testing. 1593 /*package*/ boolean isCompletedToken(CharSequence text) { 1594 if (TextUtils.isEmpty(text)) { 1595 return false; 1596 } 1597 // Check to see if this is a completed token before filtering. 1598 int end = text.length(); 1599 int start = mTokenizer.findTokenStart(text, end); 1600 String token = text.toString().substring(start, end).trim(); 1601 if (!TextUtils.isEmpty(token)) { 1602 char atEnd = token.charAt(token.length() - 1); 1603 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1604 } 1605 return false; 1606 } 1607 1608 private void clearSelectedChip() { 1609 if (mSelectedChip != null) { 1610 unselectChip(mSelectedChip); 1611 mSelectedChip = null; 1612 } 1613 setCursorVisible(true); 1614 } 1615 1616 /** 1617 * Monitor touch events in the RecipientEditTextView. 1618 * If the view does not have focus, any tap on the view 1619 * will just focus the view. If the view has focus, determine 1620 * if the touch target is a recipient chip. If it is and the chip 1621 * is not selected, select it and clear any other selected chips. 1622 * If it isn't, then select that chip. 1623 */ 1624 @Override 1625 public boolean onTouchEvent(MotionEvent event) { 1626 if (!isFocused()) { 1627 // Ignore any chip taps until this view is focused. 1628 return super.onTouchEvent(event); 1629 } 1630 boolean handled = super.onTouchEvent(event); 1631 int action = event.getAction(); 1632 boolean chipWasSelected = false; 1633 if (mSelectedChip == null) { 1634 mGestureDetector.onTouchEvent(event); 1635 } 1636 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1637 float x = event.getX(); 1638 float y = event.getY(); 1639 int offset = putOffsetInRange(x, y); 1640 DrawableRecipientChip currentChip = findChip(offset); 1641 if (currentChip != null) { 1642 if (action == MotionEvent.ACTION_UP) { 1643 if (mSelectedChip != null && mSelectedChip != currentChip) { 1644 clearSelectedChip(); 1645 mSelectedChip = selectChip(currentChip); 1646 } else if (mSelectedChip == null) { 1647 setSelection(getText().length()); 1648 commitDefault(); 1649 mSelectedChip = selectChip(currentChip); 1650 } else { 1651 onClick(mSelectedChip); 1652 } 1653 } 1654 chipWasSelected = true; 1655 handled = true; 1656 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1657 chipWasSelected = true; 1658 } 1659 } 1660 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1661 clearSelectedChip(); 1662 } 1663 return handled; 1664 } 1665 1666 private void scrollLineIntoView(int line) { 1667 if (mScrollView != null) { 1668 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1669 } 1670 } 1671 1672 private void showAlternates(final DrawableRecipientChip currentChip, 1673 final ListPopupWindow alternatesPopup) { 1674 new AsyncTask<Void, Void, ListAdapter>() { 1675 @Override 1676 protected ListAdapter doInBackground(final Void... params) { 1677 return createAlternatesAdapter(currentChip); 1678 } 1679 1680 @Override 1681 protected void onPostExecute(final ListAdapter result) { 1682 if (!mAttachedToWindow) { 1683 return; 1684 } 1685 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1686 int bottomOffset = calculateOffsetFromBottomToTop(line); 1687 1688 // Align the alternates popup with the left side of the View, 1689 // regardless of the position of the chip tapped. 1690 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1691 mAlternatePopupAnchor : RecipientEditTextView.this); 1692 alternatesPopup.setVerticalOffset(bottomOffset); 1693 alternatesPopup.setAdapter(result); 1694 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1695 // Clear the checked item. 1696 mCheckedItem = -1; 1697 alternatesPopup.show(); 1698 ListView listView = alternatesPopup.getListView(); 1699 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1700 // Checked item would be -1 if the adapter has not 1701 // loaded the view that should be checked yet. The 1702 // variable will be set correctly when onCheckedItemChanged 1703 // is called in a separate thread. 1704 if (mCheckedItem != -1) { 1705 listView.setItemChecked(mCheckedItem, true); 1706 mCheckedItem = -1; 1707 } 1708 } 1709 }.execute((Void[]) null); 1710 } 1711 1712 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1713 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1714 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1715 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1716 constructStateListDeleteDrawable()); 1717 } 1718 1719 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1720 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1721 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1722 } 1723 1724 private StateListDrawable constructStateListDeleteDrawable() { 1725 // Construct the StateListDrawable from deleteDrawable 1726 StateListDrawable deleteDrawable = new StateListDrawable(); 1727 if (!mDisableDelete) { 1728 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1729 } 1730 deleteDrawable.addState(new int[0], null); 1731 return deleteDrawable; 1732 } 1733 1734 @Override 1735 public void onCheckedItemChanged(int position) { 1736 ListView listView = mAlternatesPopup.getListView(); 1737 if (listView != null && listView.getCheckedItemCount() == 0) { 1738 listView.setItemChecked(position, true); 1739 } 1740 mCheckedItem = position; 1741 } 1742 1743 private int putOffsetInRange(final float x, final float y) { 1744 final int offset; 1745 1746 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1747 offset = getOffsetForPosition(x, y); 1748 } else { 1749 offset = supportGetOffsetForPosition(x, y); 1750 } 1751 1752 return putOffsetInRange(offset); 1753 } 1754 1755 // TODO: This algorithm will need a lot of tweaking after more people have used 1756 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1757 // what comes before the finger. 1758 private int putOffsetInRange(int o) { 1759 int offset = o; 1760 Editable text = getText(); 1761 int length = text.length(); 1762 // Remove whitespace from end to find "real end" 1763 int realLength = length; 1764 for (int i = length - 1; i >= 0; i--) { 1765 if (text.charAt(i) == ' ') { 1766 realLength--; 1767 } else { 1768 break; 1769 } 1770 } 1771 1772 // If the offset is beyond or at the end of the text, 1773 // leave it alone. 1774 if (offset >= realLength) { 1775 return offset; 1776 } 1777 Editable editable = getText(); 1778 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1779 // Keep walking backward! 1780 offset--; 1781 } 1782 return offset; 1783 } 1784 1785 private static int findText(Editable text, int offset) { 1786 if (text.charAt(offset) != ' ') { 1787 return offset; 1788 } 1789 return -1; 1790 } 1791 1792 private DrawableRecipientChip findChip(int offset) { 1793 DrawableRecipientChip[] chips = 1794 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1795 // Find the chip that contains this offset. 1796 for (int i = 0; i < chips.length; i++) { 1797 DrawableRecipientChip chip = chips[i]; 1798 int start = getChipStart(chip); 1799 int end = getChipEnd(chip); 1800 if (offset >= start && offset <= end) { 1801 return chip; 1802 } 1803 } 1804 return null; 1805 } 1806 1807 // Visible for testing. 1808 // Use this method to generate text to add to the list of addresses. 1809 /* package */String createAddressText(RecipientEntry entry) { 1810 String display = entry.getDisplayName(); 1811 String address = entry.getDestination(); 1812 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1813 display = null; 1814 } 1815 String trimmedDisplayText; 1816 if (isPhoneQuery() && isPhoneNumber(address)) { 1817 trimmedDisplayText = address.trim(); 1818 } else { 1819 if (address != null) { 1820 // Tokenize out the address in case the address already 1821 // contained the username as well. 1822 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1823 if (tokenized != null && tokenized.length > 0) { 1824 address = tokenized[0].getAddress(); 1825 } 1826 } 1827 Rfc822Token token = new Rfc822Token(display, address, null); 1828 trimmedDisplayText = token.toString().trim(); 1829 } 1830 int index = trimmedDisplayText.indexOf(","); 1831 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1832 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1833 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1834 } 1835 1836 // Visible for testing. 1837 // Use this method to generate text to display in a chip. 1838 /*package*/ String createChipDisplayText(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 if (!TextUtils.isEmpty(display)) { 1845 return display; 1846 } else if (!TextUtils.isEmpty(address)){ 1847 return address; 1848 } else { 1849 return new Rfc822Token(display, address, null).toString(); 1850 } 1851 } 1852 1853 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1854 final String displayText = createAddressText(entry); 1855 if (TextUtils.isEmpty(displayText)) { 1856 return null; 1857 } 1858 // Always leave a blank space at the end of a chip. 1859 final int textLength = displayText.length() - 1; 1860 final SpannableString chipText = new SpannableString(displayText); 1861 if (!mNoChips) { 1862 try { 1863 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1864 chipText.setSpan(chip, 0, textLength, 1865 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1866 chip.setOriginalText(chipText.toString()); 1867 } catch (NullPointerException e) { 1868 Log.e(TAG, e.getMessage(), e); 1869 return null; 1870 } 1871 } 1872 onChipCreated(entry); 1873 return chipText; 1874 } 1875 1876 /** 1877 * A callback for subclasses to use to know when a chip was created with the 1878 * given RecipientEntry. 1879 */ 1880 protected void onChipCreated(RecipientEntry entry) {} 1881 1882 /** 1883 * When an item in the suggestions list has been clicked, create a chip from the 1884 * contact information of the selected item. 1885 */ 1886 @Override 1887 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1888 if (position < 0) { 1889 return; 1890 } 1891 1892 final int charactersTyped = submitItemAtPosition(position); 1893 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1894 mRecipientEntryItemClickedListener 1895 .onRecipientEntryItemClicked(charactersTyped, position); 1896 } 1897 } 1898 1899 private int submitItemAtPosition(int position) { 1900 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1901 if (entry == null) { 1902 return -1; 1903 } 1904 clearComposingText(); 1905 1906 int end = getSelectionEnd(); 1907 int start = mTokenizer.findTokenStart(getText(), end); 1908 1909 Editable editable = getText(); 1910 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1911 CharSequence chip = createChip(entry, false); 1912 if (chip != null && start >= 0 && end >= 0) { 1913 editable.replace(start, end, chip); 1914 } 1915 sanitizeBetween(); 1916 1917 return end - start; 1918 } 1919 1920 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1921 if (item == null) { 1922 return null; 1923 } 1924 final RecipientEntry entry; 1925 // If the display name and the address are the same, or if this is a 1926 // valid contact, but the destination is invalid, then make this a fake 1927 // recipient that is editable. 1928 String destination = item.getDestination(); 1929 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1930 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1931 destination, item.isValid()); 1932 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1933 && (TextUtils.isEmpty(item.getDisplayName()) 1934 || TextUtils.equals(item.getDisplayName(), destination) 1935 || (mValidator != null && !mValidator.isValid(destination)))) { 1936 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1937 } else { 1938 entry = item; 1939 } 1940 return entry; 1941 } 1942 1943 // Visible for testing. 1944 /* package */DrawableRecipientChip[] getSortedRecipients() { 1945 DrawableRecipientChip[] recips = getSpannable() 1946 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1947 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1948 Arrays.asList(recips)); 1949 final Spannable spannable = getSpannable(); 1950 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1951 1952 @Override 1953 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1954 int firstStart = spannable.getSpanStart(first); 1955 int secondStart = spannable.getSpanStart(second); 1956 if (firstStart < secondStart) { 1957 return -1; 1958 } else if (firstStart > secondStart) { 1959 return 1; 1960 } else { 1961 return 0; 1962 } 1963 } 1964 }); 1965 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1966 } 1967 1968 @Override 1969 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1970 return false; 1971 } 1972 1973 @Override 1974 public void onDestroyActionMode(ActionMode mode) { 1975 } 1976 1977 @Override 1978 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1979 return false; 1980 } 1981 1982 /** 1983 * No chips are selectable. 1984 */ 1985 @Override 1986 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1987 return false; 1988 } 1989 1990 // Visible for testing. 1991 /* package */ImageSpan getMoreChip() { 1992 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1993 MoreImageSpan.class); 1994 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1995 } 1996 1997 private MoreImageSpan createMoreSpan(int count) { 1998 String moreText = String.format(mMoreItem.getText().toString(), count); 1999 TextPaint morePaint = new TextPaint(getPaint()); 2000 morePaint.setTextSize(mMoreItem.getTextSize()); 2001 morePaint.setColor(mMoreItem.getCurrentTextColor()); 2002 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2003 + mMoreItem.getPaddingRight(); 2004 int height = getLineHeight(); 2005 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2006 Canvas canvas = new Canvas(drawable); 2007 int adjustedHeight = height; 2008 Layout layout = getLayout(); 2009 if (layout != null) { 2010 adjustedHeight -= layout.getLineDescent(0); 2011 } 2012 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 2013 2014 Drawable result = new BitmapDrawable(getResources(), drawable); 2015 result.setBounds(0, 0, width, height); 2016 return new MoreImageSpan(result); 2017 } 2018 2019 // Visible for testing. 2020 /*package*/ void createMoreChipPlainText() { 2021 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2022 Editable text = getText(); 2023 int start = 0; 2024 int end = start; 2025 for (int i = 0; i < CHIP_LIMIT; i++) { 2026 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2027 start = end; // move to the next token and get its end. 2028 } 2029 // Now, count total addresses. 2030 start = 0; 2031 int tokenCount = countTokens(text); 2032 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2033 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2034 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2035 text.replace(end, text.length(), chipText); 2036 mMoreChip = moreSpan; 2037 } 2038 2039 // Visible for testing. 2040 /* package */int countTokens(Editable text) { 2041 int tokenCount = 0; 2042 int start = 0; 2043 while (start < text.length()) { 2044 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2045 tokenCount++; 2046 if (start >= text.length()) { 2047 break; 2048 } 2049 } 2050 return tokenCount; 2051 } 2052 2053 /** 2054 * Create the more chip. The more chip is text that replaces any chips that 2055 * do not fit in the pre-defined available space when the 2056 * RecipientEditTextView loses focus. 2057 */ 2058 // Visible for testing. 2059 /* package */ void createMoreChip() { 2060 if (mNoChips) { 2061 createMoreChipPlainText(); 2062 return; 2063 } 2064 2065 if (!mShouldShrink) { 2066 return; 2067 } 2068 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 2069 if (tempMore.length > 0) { 2070 getSpannable().removeSpan(tempMore[0]); 2071 } 2072 DrawableRecipientChip[] recipients = getSortedRecipients(); 2073 2074 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2075 mMoreChip = null; 2076 return; 2077 } 2078 Spannable spannable = getSpannable(); 2079 int numRecipients = recipients.length; 2080 int overage = numRecipients - CHIP_LIMIT; 2081 MoreImageSpan moreSpan = createMoreSpan(overage); 2082 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2083 int totalReplaceStart = 0; 2084 int totalReplaceEnd = 0; 2085 Editable text = getText(); 2086 for (int i = numRecipients - overage; i < recipients.length; i++) { 2087 mRemovedSpans.add(recipients[i]); 2088 if (i == numRecipients - overage) { 2089 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2090 } 2091 if (i == recipients.length - 1) { 2092 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2093 } 2094 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2095 int spanStart = spannable.getSpanStart(recipients[i]); 2096 int spanEnd = spannable.getSpanEnd(recipients[i]); 2097 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2098 } 2099 spannable.removeSpan(recipients[i]); 2100 } 2101 if (totalReplaceEnd < text.length()) { 2102 totalReplaceEnd = text.length(); 2103 } 2104 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2105 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2106 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2107 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2108 text.replace(start, end, chipText); 2109 mMoreChip = moreSpan; 2110 // If adding the +more chip goes over the limit, resize accordingly. 2111 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2112 setMaxLines(getLineCount()); 2113 } 2114 } 2115 2116 /** 2117 * Replace the more chip, if it exists, with all of the recipient chips it had 2118 * replaced when the RecipientEditTextView gains focus. 2119 */ 2120 // Visible for testing. 2121 /*package*/ void removeMoreChip() { 2122 if (mMoreChip != null) { 2123 Spannable span = getSpannable(); 2124 span.removeSpan(mMoreChip); 2125 mMoreChip = null; 2126 // Re-add the spans that were removed. 2127 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2128 // Recreate each removed span. 2129 DrawableRecipientChip[] recipients = getSortedRecipients(); 2130 // Start the search for tokens after the last currently visible 2131 // chip. 2132 if (recipients == null || recipients.length == 0) { 2133 return; 2134 } 2135 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2136 Editable editable = getText(); 2137 for (DrawableRecipientChip chip : mRemovedSpans) { 2138 int chipStart; 2139 int chipEnd; 2140 String token; 2141 // Need to find the location of the chip, again. 2142 token = (String) chip.getOriginalText(); 2143 // As we find the matching recipient for the remove spans, 2144 // reduce the size of the string we need to search. 2145 // That way, if there are duplicates, we always find the correct 2146 // recipient. 2147 chipStart = editable.toString().indexOf(token, end); 2148 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2149 // Only set the span if we found a matching token. 2150 if (chipStart != -1) { 2151 editable.setSpan(chip, chipStart, chipEnd, 2152 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2153 } 2154 } 2155 mRemovedSpans.clear(); 2156 } 2157 } 2158 } 2159 2160 /** 2161 * Show specified chip as selected. If the RecipientChip is just an email address, 2162 * selecting the chip will take the contents of the chip and place it at 2163 * the end of the RecipientEditTextView for inline editing. If the 2164 * RecipientChip is a complete contact, then selecting the chip 2165 * will change the background color of the chip, show the delete icon, 2166 * and a popup window with the address in use highlighted and any other 2167 * alternate addresses for the contact. 2168 * @param currentChip Chip to select. 2169 * @return A RecipientChip in the selected state or null if the chip 2170 * just contained an email address. 2171 */ 2172 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2173 if (shouldShowEditableText(currentChip)) { 2174 CharSequence text = currentChip.getValue(); 2175 Editable editable = getText(); 2176 Spannable spannable = getSpannable(); 2177 int spanStart = spannable.getSpanStart(currentChip); 2178 int spanEnd = spannable.getSpanEnd(currentChip); 2179 spannable.removeSpan(currentChip); 2180 editable.delete(spanStart, spanEnd); 2181 setCursorVisible(true); 2182 setSelection(editable.length()); 2183 editable.append(text); 2184 return constructChipSpan( 2185 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2186 true); 2187 } else { 2188 int start = getChipStart(currentChip); 2189 int end = getChipEnd(currentChip); 2190 getSpannable().removeSpan(currentChip); 2191 DrawableRecipientChip newChip; 2192 final boolean showAddress = 2193 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2194 getAdapter().forceShowAddress(); 2195 try { 2196 if (showAddress && mNoChips) { 2197 return null; 2198 } 2199 newChip = constructChipSpan(currentChip.getEntry(), true); 2200 } catch (NullPointerException e) { 2201 Log.e(TAG, e.getMessage(), e); 2202 return null; 2203 } 2204 Editable editable = getText(); 2205 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2206 if (start == -1 || end == -1) { 2207 Log.d(TAG, "The chip being selected no longer exists but should."); 2208 } else { 2209 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2210 } 2211 newChip.setSelected(true); 2212 if (shouldShowEditableText(newChip)) { 2213 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2214 } 2215 if (showAddress) { 2216 showAddress(newChip, mAddressPopup); 2217 } else { 2218 showAlternates(newChip, mAlternatesPopup); 2219 } 2220 setCursorVisible(false); 2221 return newChip; 2222 } 2223 } 2224 2225 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2226 long contactId = currentChip.getContactId(); 2227 return contactId == RecipientEntry.INVALID_CONTACT 2228 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2229 } 2230 2231 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2232 if (!mAttachedToWindow) { 2233 return; 2234 } 2235 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2236 int bottomOffset = calculateOffsetFromBottomToTop(line); 2237 // Align the alternates popup with the left side of the View, 2238 // regardless of the position of the chip tapped. 2239 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2240 popup.setVerticalOffset(bottomOffset); 2241 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2242 popup.setOnItemClickListener(new OnItemClickListener() { 2243 @Override 2244 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2245 unselectChip(currentChip); 2246 popup.dismiss(); 2247 } 2248 }); 2249 popup.show(); 2250 ListView listView = popup.getListView(); 2251 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2252 listView.setItemChecked(0, true); 2253 } 2254 2255 /** 2256 * Remove selection from this chip. Unselecting a RecipientChip will render 2257 * the chip without a delete icon and with an unfocused background. This is 2258 * called when the RecipientChip no longer has focus. 2259 */ 2260 private void unselectChip(DrawableRecipientChip chip) { 2261 int start = getChipStart(chip); 2262 int end = getChipEnd(chip); 2263 Editable editable = getText(); 2264 mSelectedChip = null; 2265 if (start == -1 || end == -1) { 2266 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2267 setSelection(editable.length()); 2268 commitDefault(); 2269 } else { 2270 getSpannable().removeSpan(chip); 2271 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2272 editable.removeSpan(chip); 2273 try { 2274 if (!mNoChips) { 2275 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2276 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2277 } 2278 } catch (NullPointerException e) { 2279 Log.e(TAG, e.getMessage(), e); 2280 } 2281 } 2282 setCursorVisible(true); 2283 setSelection(editable.length()); 2284 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2285 mAlternatesPopup.dismiss(); 2286 } 2287 } 2288 2289 @Override 2290 public void onChipDelete() { 2291 if (mSelectedChip != null) { 2292 removeChip(mSelectedChip); 2293 } 2294 mAddressPopup.dismiss(); 2295 mAlternatesPopup.dismiss(); 2296 } 2297 2298 /** 2299 * Remove the chip and any text associated with it from the RecipientEditTextView. 2300 */ 2301 // Visible for testing. 2302 /* package */void removeChip(DrawableRecipientChip chip) { 2303 Spannable spannable = getSpannable(); 2304 int spanStart = spannable.getSpanStart(chip); 2305 int spanEnd = spannable.getSpanEnd(chip); 2306 Editable text = getText(); 2307 int toDelete = spanEnd; 2308 boolean wasSelected = chip == mSelectedChip; 2309 // Clear that there is a selected chip before updating any text. 2310 if (wasSelected) { 2311 mSelectedChip = null; 2312 } 2313 // Always remove trailing spaces when removing a chip. 2314 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2315 toDelete++; 2316 } 2317 spannable.removeSpan(chip); 2318 if (spanStart >= 0 && toDelete > 0) { 2319 text.delete(spanStart, toDelete); 2320 } 2321 if (wasSelected) { 2322 clearSelectedChip(); 2323 } 2324 } 2325 2326 /** 2327 * Replace this currently selected chip with a new chip 2328 * that uses the contact data provided. 2329 */ 2330 // Visible for testing. 2331 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2332 boolean wasSelected = chip == mSelectedChip; 2333 if (wasSelected) { 2334 mSelectedChip = null; 2335 } 2336 int start = getChipStart(chip); 2337 int end = getChipEnd(chip); 2338 getSpannable().removeSpan(chip); 2339 Editable editable = getText(); 2340 CharSequence chipText = createChip(entry, false); 2341 if (chipText != null) { 2342 if (start == -1 || end == -1) { 2343 Log.e(TAG, "The chip to replace does not exist but should."); 2344 editable.insert(0, chipText); 2345 } else { 2346 if (!TextUtils.isEmpty(chipText)) { 2347 // There may be a space to replace with this chip's new 2348 // associated space. Check for it 2349 int toReplace = end; 2350 while (toReplace >= 0 && toReplace < editable.length() 2351 && editable.charAt(toReplace) == ' ') { 2352 toReplace++; 2353 } 2354 editable.replace(start, toReplace, chipText); 2355 } 2356 } 2357 } 2358 setCursorVisible(true); 2359 if (wasSelected) { 2360 clearSelectedChip(); 2361 } 2362 } 2363 2364 /** 2365 * Handle click events for a chip. When a selected chip receives a click 2366 * event, see if that event was in the delete icon. If so, delete it. 2367 * Otherwise, unselect the chip. 2368 */ 2369 public void onClick(DrawableRecipientChip chip) { 2370 if (chip.isSelected()) { 2371 clearSelectedChip(); 2372 } 2373 } 2374 2375 private boolean chipsPending() { 2376 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2377 } 2378 2379 @Override 2380 public void removeTextChangedListener(TextWatcher watcher) { 2381 mTextWatcher = null; 2382 super.removeTextChangedListener(watcher); 2383 } 2384 2385 private boolean isValidEmailAddress(String input) { 2386 return !TextUtils.isEmpty(input) && mValidator != null && 2387 mValidator.isValid(input); 2388 } 2389 2390 private class RecipientTextWatcher implements TextWatcher { 2391 2392 @Override 2393 public void afterTextChanged(Editable s) { 2394 // If the text has been set to null or empty, make sure we remove 2395 // all the spans we applied. 2396 if (TextUtils.isEmpty(s)) { 2397 // Remove all the chips spans. 2398 Spannable spannable = getSpannable(); 2399 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2400 DrawableRecipientChip.class); 2401 for (DrawableRecipientChip chip : chips) { 2402 spannable.removeSpan(chip); 2403 } 2404 if (mMoreChip != null) { 2405 spannable.removeSpan(mMoreChip); 2406 } 2407 clearSelectedChip(); 2408 return; 2409 } 2410 // Get whether there are any recipients pending addition to the 2411 // view. If there are, don't do anything in the text watcher. 2412 if (chipsPending()) { 2413 return; 2414 } 2415 // If the user is editing a chip, don't clear it. 2416 if (mSelectedChip != null) { 2417 if (!isGeneratedContact(mSelectedChip)) { 2418 setCursorVisible(true); 2419 setSelection(getText().length()); 2420 clearSelectedChip(); 2421 } else { 2422 return; 2423 } 2424 } 2425 int length = s.length(); 2426 // Make sure there is content there to parse and that it is 2427 // not just the commit character. 2428 if (length > 1) { 2429 if (lastCharacterIsCommitCharacter(s)) { 2430 commitByCharacter(); 2431 return; 2432 } 2433 char last; 2434 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2435 int len = length() - 1; 2436 if (end != len) { 2437 last = s.charAt(end); 2438 } else { 2439 last = s.charAt(len); 2440 } 2441 if (last == COMMIT_CHAR_SPACE) { 2442 if (!isPhoneQuery()) { 2443 // Check if this is a valid email address. If it is, 2444 // commit it. 2445 String text = getText().toString(); 2446 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2447 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2448 tokenStart)); 2449 if (isValidEmailAddress(sub)) { 2450 commitByCharacter(); 2451 } 2452 } 2453 } 2454 } 2455 } 2456 2457 @Override 2458 public void onTextChanged(CharSequence s, int start, int before, int count) { 2459 // The user deleted some text OR some text was replaced; check to 2460 // see if the insertion point is on a space 2461 // following a chip. 2462 if (before - count == 1) { 2463 // If the item deleted is a space, and the thing before the 2464 // space is a chip, delete the entire span. 2465 int selStart = getSelectionStart(); 2466 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2467 DrawableRecipientChip.class); 2468 if (repl.length > 0) { 2469 // There is a chip there! Just remove it. 2470 Editable editable = getText(); 2471 // Add the separator token. 2472 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2473 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2474 tokenEnd = tokenEnd + 1; 2475 if (tokenEnd > editable.length()) { 2476 tokenEnd = editable.length(); 2477 } 2478 editable.delete(tokenStart, tokenEnd); 2479 getSpannable().removeSpan(repl[0]); 2480 } 2481 } else if (count > before) { 2482 if (mSelectedChip != null 2483 && isGeneratedContact(mSelectedChip)) { 2484 if (lastCharacterIsCommitCharacter(s)) { 2485 commitByCharacter(); 2486 return; 2487 } 2488 } 2489 } 2490 } 2491 2492 @Override 2493 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2494 // Do nothing. 2495 } 2496 } 2497 2498 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2499 char last; 2500 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2501 int len = length() - 1; 2502 if (end != len) { 2503 last = s.charAt(end); 2504 } else { 2505 last = s.charAt(len); 2506 } 2507 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2508 } 2509 2510 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2511 long contactId = chip.getContactId(); 2512 return contactId == RecipientEntry.INVALID_CONTACT 2513 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2514 } 2515 2516 /** 2517 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2518 */ 2519 // Visible for testing. 2520 void handlePasteClip(ClipData clip) { 2521 if (clip == null) { 2522 // Do nothing. 2523 return; 2524 } 2525 2526 final ClipDescription clipDesc = clip.getDescription(); 2527 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2528 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2529 if (!containsSupportedType) { 2530 return; 2531 } 2532 2533 removeTextChangedListener(mTextWatcher); 2534 2535 final ClipDescription clipDescription = clip.getDescription(); 2536 for (int i = 0; i < clip.getItemCount(); i++) { 2537 final String mimeType = clipDescription.getMimeType(i); 2538 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2539 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2540 if (!supportedType) { 2541 // Only plain text and html can be pasted. 2542 continue; 2543 } 2544 2545 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2546 if (!TextUtils.isEmpty(pastedItem)) { 2547 final Editable editable = getText(); 2548 final int start = getSelectionStart(); 2549 final int end = getSelectionEnd(); 2550 if (start < 0 || end < 1) { 2551 // No selection. 2552 editable.append(pastedItem); 2553 } else if (start == end) { 2554 // Insert at position. 2555 editable.insert(start, pastedItem); 2556 } else { 2557 editable.append(pastedItem, start, end); 2558 } 2559 handlePasteAndReplace(); 2560 } 2561 } 2562 2563 mHandler.post(mAddTextWatcher); 2564 } 2565 2566 @Override 2567 public boolean onTextContextMenuItem(int id) { 2568 if (id == android.R.id.paste) { 2569 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2570 Context.CLIPBOARD_SERVICE); 2571 handlePasteClip(clipboard.getPrimaryClip()); 2572 return true; 2573 } 2574 return super.onTextContextMenuItem(id); 2575 } 2576 2577 private void handlePasteAndReplace() { 2578 ArrayList<DrawableRecipientChip> created = handlePaste(); 2579 if (created != null && created.size() > 0) { 2580 // Perform reverse lookups on the pasted contacts. 2581 IndividualReplacementTask replace = new IndividualReplacementTask(); 2582 replace.execute(created); 2583 } 2584 } 2585 2586 // Visible for testing. 2587 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2588 String text = getText().toString(); 2589 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2590 String lastAddress = text.substring(originalTokenStart); 2591 int tokenStart = originalTokenStart; 2592 int prevTokenStart = 0; 2593 DrawableRecipientChip findChip = null; 2594 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2595 if (tokenStart != 0) { 2596 // There are things before this! 2597 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2598 prevTokenStart = tokenStart; 2599 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2600 findChip = findChip(tokenStart); 2601 if (tokenStart == originalTokenStart && findChip == null) { 2602 break; 2603 } 2604 } 2605 if (tokenStart != originalTokenStart) { 2606 if (findChip != null) { 2607 tokenStart = prevTokenStart; 2608 } 2609 int tokenEnd; 2610 DrawableRecipientChip createdChip; 2611 while (tokenStart < originalTokenStart) { 2612 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2613 tokenStart)); 2614 commitChip(tokenStart, tokenEnd, getText()); 2615 createdChip = findChip(tokenStart); 2616 if (createdChip == null) { 2617 break; 2618 } 2619 // +1 for the space at the end. 2620 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2621 created.add(createdChip); 2622 } 2623 } 2624 } 2625 // Take a look at the last token. If the token has been completed with a 2626 // commit character, create a chip. 2627 if (isCompletedToken(lastAddress)) { 2628 Editable editable = getText(); 2629 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2630 commitChip(tokenStart, editable.length(), editable); 2631 created.add(findChip(tokenStart)); 2632 } 2633 return created; 2634 } 2635 2636 // Visible for testing. 2637 /* package */int movePastTerminators(int tokenEnd) { 2638 if (tokenEnd >= length()) { 2639 return tokenEnd; 2640 } 2641 char atEnd = getText().toString().charAt(tokenEnd); 2642 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2643 tokenEnd++; 2644 } 2645 // This token had not only an end token character, but also a space 2646 // separating it from the next token. 2647 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2648 tokenEnd++; 2649 } 2650 return tokenEnd; 2651 } 2652 2653 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2654 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2655 try { 2656 if (mNoChips) { 2657 return null; 2658 } 2659 return constructChipSpan(entry, false); 2660 } catch (NullPointerException e) { 2661 Log.e(TAG, e.getMessage(), e); 2662 return null; 2663 } 2664 } 2665 2666 @Override 2667 protected void onPreExecute() { 2668 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2669 // replaced 2670 final List<DrawableRecipientChip> originalRecipients = 2671 new ArrayList<DrawableRecipientChip>(); 2672 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2673 for (int i = 0; i < existingChips.length; i++) { 2674 originalRecipients.add(existingChips[i]); 2675 } 2676 if (mRemovedSpans != null) { 2677 originalRecipients.addAll(mRemovedSpans); 2678 } 2679 2680 final List<DrawableRecipientChip> replacements = 2681 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2682 2683 for (final DrawableRecipientChip chip : originalRecipients) { 2684 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2685 && getSpannable().getSpanStart(chip) != -1) { 2686 replacements.add(createFreeChip(chip.getEntry())); 2687 } else { 2688 replacements.add(null); 2689 } 2690 } 2691 2692 processReplacements(originalRecipients, replacements); 2693 } 2694 2695 @Override 2696 protected Void doInBackground(Void... params) { 2697 if (mIndividualReplacements != null) { 2698 mIndividualReplacements.cancel(true); 2699 } 2700 // For each chip in the list, look up the matching contact. 2701 // If there is a match, replace that chip with the matching 2702 // chip. 2703 final ArrayList<DrawableRecipientChip> recipients = 2704 new ArrayList<DrawableRecipientChip>(); 2705 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2706 for (int i = 0; i < existingChips.length; i++) { 2707 recipients.add(existingChips[i]); 2708 } 2709 if (mRemovedSpans != null) { 2710 recipients.addAll(mRemovedSpans); 2711 } 2712 ArrayList<String> addresses = new ArrayList<String>(); 2713 DrawableRecipientChip chip; 2714 for (int i = 0; i < recipients.size(); i++) { 2715 chip = recipients.get(i); 2716 if (chip != null) { 2717 addresses.add(createAddressText(chip.getEntry())); 2718 } 2719 } 2720 final BaseRecipientAdapter adapter = getAdapter(); 2721 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2722 @Override 2723 public void matchesFound(Map<String, RecipientEntry> entries) { 2724 final ArrayList<DrawableRecipientChip> replacements = 2725 new ArrayList<DrawableRecipientChip>(); 2726 for (final DrawableRecipientChip temp : recipients) { 2727 RecipientEntry entry = null; 2728 if (temp != null && RecipientEntry.isCreatedRecipient( 2729 temp.getEntry().getContactId()) 2730 && getSpannable().getSpanStart(temp) != -1) { 2731 // Replace this. 2732 entry = createValidatedEntry( 2733 entries.get(tokenizeAddress(temp.getEntry() 2734 .getDestination()))); 2735 } 2736 if (entry != null) { 2737 replacements.add(createFreeChip(entry)); 2738 } else { 2739 replacements.add(null); 2740 } 2741 } 2742 processReplacements(recipients, replacements); 2743 } 2744 2745 @Override 2746 public void matchesNotFound(final Set<String> unfoundAddresses) { 2747 final List<DrawableRecipientChip> replacements = 2748 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2749 2750 for (final DrawableRecipientChip temp : recipients) { 2751 if (temp != null && RecipientEntry.isCreatedRecipient( 2752 temp.getEntry().getContactId()) 2753 && getSpannable().getSpanStart(temp) != -1) { 2754 if (unfoundAddresses.contains( 2755 temp.getEntry().getDestination())) { 2756 replacements.add(createFreeChip(temp.getEntry())); 2757 } else { 2758 replacements.add(null); 2759 } 2760 } else { 2761 replacements.add(null); 2762 } 2763 } 2764 2765 processReplacements(recipients, replacements); 2766 } 2767 }); 2768 return null; 2769 } 2770 2771 private void processReplacements(final List<DrawableRecipientChip> recipients, 2772 final List<DrawableRecipientChip> replacements) { 2773 if (replacements != null && replacements.size() > 0) { 2774 final Runnable runnable = new Runnable() { 2775 @Override 2776 public void run() { 2777 final Editable text = new SpannableStringBuilder(getText()); 2778 int i = 0; 2779 for (final DrawableRecipientChip chip : recipients) { 2780 final DrawableRecipientChip replacement = replacements.get(i); 2781 if (replacement != null) { 2782 final RecipientEntry oldEntry = chip.getEntry(); 2783 final RecipientEntry newEntry = replacement.getEntry(); 2784 final boolean isBetter = 2785 RecipientAlternatesAdapter.getBetterRecipient( 2786 oldEntry, newEntry) == newEntry; 2787 2788 if (isBetter) { 2789 // Find the location of the chip in the text currently shown. 2790 final int start = text.getSpanStart(chip); 2791 if (start != -1) { 2792 // Replacing the entirety of what the chip represented, 2793 // including the extra space dividing it from other chips. 2794 final int end = 2795 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2796 text.removeSpan(chip); 2797 // Make sure we always have just 1 space at the end to 2798 // separate this chip from the next chip. 2799 final SpannableString displayText = 2800 new SpannableString(createAddressText( 2801 replacement.getEntry()).trim() + " "); 2802 displayText.setSpan(replacement, 0, 2803 displayText.length() - 1, 2804 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2805 // Replace the old text we found with with the new display 2806 // text, which now may also contain the display name of the 2807 // recipient. 2808 text.replace(start, end, displayText); 2809 replacement.setOriginalText(displayText.toString()); 2810 replacements.set(i, null); 2811 2812 recipients.set(i, replacement); 2813 } 2814 } 2815 } 2816 i++; 2817 } 2818 setText(text); 2819 } 2820 }; 2821 2822 if (Looper.myLooper() == Looper.getMainLooper()) { 2823 runnable.run(); 2824 } else { 2825 mHandler.post(runnable); 2826 } 2827 } 2828 } 2829 } 2830 2831 private class IndividualReplacementTask 2832 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2833 @Override 2834 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2835 // For each chip in the list, look up the matching contact. 2836 // If there is a match, replace that chip with the matching 2837 // chip. 2838 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2839 ArrayList<String> addresses = new ArrayList<String>(); 2840 DrawableRecipientChip chip; 2841 for (int i = 0; i < originalRecipients.size(); i++) { 2842 chip = originalRecipients.get(i); 2843 if (chip != null) { 2844 addresses.add(createAddressText(chip.getEntry())); 2845 } 2846 } 2847 final BaseRecipientAdapter adapter = getAdapter(); 2848 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2849 2850 @Override 2851 public void matchesFound(Map<String, RecipientEntry> entries) { 2852 for (final DrawableRecipientChip temp : originalRecipients) { 2853 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2854 .getContactId()) 2855 && getSpannable().getSpanStart(temp) != -1) { 2856 // Replace this. 2857 final RecipientEntry entry = createValidatedEntry(entries 2858 .get(tokenizeAddress(temp.getEntry().getDestination()) 2859 .toLowerCase())); 2860 if (entry != null) { 2861 mHandler.post(new Runnable() { 2862 @Override 2863 public void run() { 2864 replaceChip(temp, entry); 2865 } 2866 }); 2867 } 2868 } 2869 } 2870 } 2871 2872 @Override 2873 public void matchesNotFound(final Set<String> unfoundAddresses) { 2874 // No action required 2875 } 2876 }); 2877 return null; 2878 } 2879 } 2880 2881 2882 /** 2883 * MoreImageSpan is a simple class created for tracking the existence of a 2884 * more chip across activity restarts/ 2885 */ 2886 private class MoreImageSpan extends ImageSpan { 2887 public MoreImageSpan(Drawable b) { 2888 super(b); 2889 } 2890 } 2891 2892 @Override 2893 public boolean onDown(MotionEvent e) { 2894 return false; 2895 } 2896 2897 @Override 2898 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2899 // Do nothing. 2900 return false; 2901 } 2902 2903 @Override 2904 public void onLongPress(MotionEvent event) { 2905 if (mSelectedChip != null) { 2906 return; 2907 } 2908 float x = event.getX(); 2909 float y = event.getY(); 2910 final int offset = putOffsetInRange(x, y); 2911 DrawableRecipientChip currentChip = findChip(offset); 2912 if (currentChip != null) { 2913 if (mDragEnabled) { 2914 // Start drag-and-drop for the selected chip. 2915 startDrag(currentChip); 2916 } else { 2917 // Copy the selected chip email address. 2918 showCopyDialog(currentChip.getEntry().getDestination()); 2919 } 2920 } 2921 } 2922 2923 // The following methods are used to provide some functionality on older versions of Android 2924 // These methods were copied out of JB MR2's TextView 2925 ///////////////////////////////////////////////// 2926 private int supportGetOffsetForPosition(float x, float y) { 2927 if (getLayout() == null) return -1; 2928 final int line = supportGetLineAtCoordinate(y); 2929 final int offset = supportGetOffsetAtCoordinate(line, x); 2930 return offset; 2931 } 2932 2933 private float supportConvertToLocalHorizontalCoordinate(float x) { 2934 x -= getTotalPaddingLeft(); 2935 // Clamp the position to inside of the view. 2936 x = Math.max(0.0f, x); 2937 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2938 x += getScrollX(); 2939 return x; 2940 } 2941 2942 private int supportGetLineAtCoordinate(float y) { 2943 y -= getTotalPaddingLeft(); 2944 // Clamp the position to inside of the view. 2945 y = Math.max(0.0f, y); 2946 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2947 y += getScrollY(); 2948 return getLayout().getLineForVertical((int) y); 2949 } 2950 2951 private int supportGetOffsetAtCoordinate(int line, float x) { 2952 x = supportConvertToLocalHorizontalCoordinate(x); 2953 return getLayout().getOffsetForHorizontal(line, x); 2954 } 2955 ///////////////////////////////////////////////// 2956 2957 /** 2958 * Enables drag-and-drop for chips. 2959 */ 2960 public void enableDrag() { 2961 mDragEnabled = true; 2962 } 2963 2964 /** 2965 * Starts drag-and-drop for the selected chip. 2966 */ 2967 private void startDrag(DrawableRecipientChip currentChip) { 2968 String address = currentChip.getEntry().getDestination(); 2969 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2970 2971 // Start drag mode. 2972 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2973 2974 // Remove the current chip, so drag-and-drop will result in a move. 2975 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2976 removeChip(currentChip); 2977 } 2978 2979 /** 2980 * Handles drag event. 2981 */ 2982 @Override 2983 public boolean onDragEvent(DragEvent event) { 2984 switch (event.getAction()) { 2985 case DragEvent.ACTION_DRAG_STARTED: 2986 // Only handle plain text drag and drop. 2987 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2988 case DragEvent.ACTION_DRAG_ENTERED: 2989 requestFocus(); 2990 return true; 2991 case DragEvent.ACTION_DROP: 2992 handlePasteClip(event.getClipData()); 2993 return true; 2994 } 2995 return false; 2996 } 2997 2998 /** 2999 * Drag shadow for a {@link DrawableRecipientChip}. 3000 */ 3001 private final class RecipientChipShadow extends DragShadowBuilder { 3002 private final DrawableRecipientChip mChip; 3003 3004 public RecipientChipShadow(DrawableRecipientChip chip) { 3005 mChip = chip; 3006 } 3007 3008 @Override 3009 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3010 Rect rect = mChip.getBounds(); 3011 shadowSize.set(rect.width(), rect.height()); 3012 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3013 } 3014 3015 @Override 3016 public void onDrawShadow(Canvas canvas) { 3017 mChip.draw(canvas); 3018 } 3019 } 3020 3021 private void showCopyDialog(final String address) { 3022 if (!mAttachedToWindow) { 3023 return; 3024 } 3025 mCopyAddress = address; 3026 mCopyDialog.setTitle(address); 3027 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3028 mCopyDialog.setCancelable(true); 3029 mCopyDialog.setCanceledOnTouchOutside(true); 3030 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3031 button.setOnClickListener(this); 3032 int btnTitleId; 3033 if (isPhoneQuery()) { 3034 btnTitleId = R.string.copy_number; 3035 } else { 3036 btnTitleId = R.string.copy_email; 3037 } 3038 String buttonTitle = getContext().getResources().getString(btnTitleId); 3039 button.setText(buttonTitle); 3040 mCopyDialog.setOnDismissListener(this); 3041 mCopyDialog.show(); 3042 } 3043 3044 @Override 3045 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3046 // Do nothing. 3047 return false; 3048 } 3049 3050 @Override 3051 public void onShowPress(MotionEvent e) { 3052 // Do nothing. 3053 } 3054 3055 @Override 3056 public boolean onSingleTapUp(MotionEvent e) { 3057 // Do nothing. 3058 return false; 3059 } 3060 3061 @Override 3062 public void onDismiss(DialogInterface dialog) { 3063 mCopyAddress = null; 3064 } 3065 3066 @Override 3067 public void onClick(View v) { 3068 // Copy this to the clipboard. 3069 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3070 Context.CLIPBOARD_SERVICE); 3071 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3072 mCopyDialog.dismiss(); 3073 } 3074 3075 protected boolean isPhoneQuery() { 3076 return getAdapter() != null 3077 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3078 } 3079 3080 @Override 3081 public BaseRecipientAdapter getAdapter() { 3082 return (BaseRecipientAdapter) super.getAdapter(); 3083 } 3084 3085 /** 3086 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3087 * unfinished text at the end. 3088 */ 3089 public void appendRecipientEntry(final RecipientEntry entry) { 3090 clearComposingText(); 3091 3092 final Editable editable = getText(); 3093 int chipInsertionPoint = 0; 3094 3095 // Find the end of last chip and see if there's any unchipified text. 3096 final DrawableRecipientChip[] recips = getSortedRecipients(); 3097 if (recips != null && recips.length > 0) { 3098 final DrawableRecipientChip last = recips[recips.length - 1]; 3099 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3100 // the insertion point will be kept untouched. 3101 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3102 } 3103 3104 final CharSequence chip = createChip(entry, false); 3105 if (chip != null) { 3106 editable.insert(chipInsertionPoint, chip); 3107 } 3108 } 3109 3110 /** 3111 * Remove all chips matching the given RecipientEntry. 3112 */ 3113 public void removeRecipientEntry(final RecipientEntry entry) { 3114 final DrawableRecipientChip[] recips = getText() 3115 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3116 3117 for (final DrawableRecipientChip recipient : recips) { 3118 final RecipientEntry existingEntry = recipient.getEntry(); 3119 if (existingEntry != null && existingEntry.isValid() && 3120 existingEntry.isSamePerson(entry)) { 3121 removeChip(recipient); 3122 } 3123 } 3124 } 3125 3126 public void setAlternatePopupAnchor(View v) { 3127 mAlternatePopupAnchor = v; 3128 } 3129 3130 private static class ChipBitmapContainer { 3131 Bitmap bitmap; 3132 // information used for positioning the loaded icon 3133 boolean loadIcon = true; 3134 float left; 3135 float top; 3136 float right; 3137 float bottom; 3138 } 3139} 3140