RecipientEditTextView.java revision 939f5f1fb5b2d851a5b36fc9908c2c6420b193ae
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.BitmapShader; 32import android.graphics.Canvas; 33import android.graphics.Color; 34import android.graphics.Matrix; 35import android.graphics.Paint; 36import android.graphics.Paint.Style; 37import android.graphics.Point; 38import android.graphics.Rect; 39import android.graphics.RectF; 40import android.graphics.Shader.TileMode; 41import android.graphics.drawable.BitmapDrawable; 42import android.graphics.drawable.Drawable; 43import android.graphics.drawable.StateListDrawable; 44import android.os.AsyncTask; 45import android.os.Build; 46import android.os.Handler; 47import android.os.Looper; 48import android.os.Message; 49import android.os.Parcelable; 50import android.text.Editable; 51import android.text.InputType; 52import android.text.Layout; 53import android.text.Spannable; 54import android.text.SpannableString; 55import android.text.SpannableStringBuilder; 56import android.text.Spanned; 57import android.text.TextPaint; 58import android.text.TextUtils; 59import android.text.TextWatcher; 60import android.text.method.QwertyKeyListener; 61import android.text.util.Rfc822Token; 62import android.text.util.Rfc822Tokenizer; 63import android.util.AttributeSet; 64import android.util.Log; 65import android.view.ActionMode; 66import android.view.ActionMode.Callback; 67import android.view.DragEvent; 68import android.view.GestureDetector; 69import android.view.KeyEvent; 70import android.view.LayoutInflater; 71import android.view.Menu; 72import android.view.MenuItem; 73import android.view.MotionEvent; 74import android.view.View; 75import android.view.View.OnClickListener; 76import android.view.ViewParent; 77import android.view.accessibility.AccessibilityEvent; 78import android.view.accessibility.AccessibilityManager; 79import android.view.inputmethod.EditorInfo; 80import android.view.inputmethod.InputConnection; 81import android.widget.AdapterView; 82import android.widget.AdapterView.OnItemClickListener; 83import android.widget.Button; 84import android.widget.Filterable; 85import android.widget.ListAdapter; 86import android.widget.ListPopupWindow; 87import android.widget.ListView; 88import android.widget.MultiAutoCompleteTextView; 89import android.widget.PopupWindow; 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.ReplacementDrawableSpan; 97import com.android.ex.chips.recipientchip.VisibleRecipientChip; 98 99import java.util.ArrayList; 100import java.util.Arrays; 101import java.util.Collections; 102import java.util.Comparator; 103import java.util.List; 104import java.util.Map; 105import java.util.Set; 106import java.util.regex.Matcher; 107import java.util.regex.Pattern; 108 109/** 110 * RecipientEditTextView is an auto complete text view for use with applications 111 * that use the new Chips UI for addressing a message to recipients. 112 */ 113public class RecipientEditTextView extends MultiAutoCompleteTextView implements 114 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 115 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 116 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 117 private static final String TAG = "RecipientEditTextView"; 118 119 private static final char COMMIT_CHAR_COMMA = ','; 120 private static final char COMMIT_CHAR_SEMICOLON = ';'; 121 private static final char COMMIT_CHAR_SPACE = ' '; 122 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 123 + String.valueOf(COMMIT_CHAR_SPACE); 124 125 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 126 // parens, so numbers such as "1 (425) 222-2342" match. 127 private static final Pattern PHONE_PATTERN 128 = Pattern.compile( // sdd = space, dot, or dash 129 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 130 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 131 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 132 133 private static final int DISMISS = "dismiss".hashCode(); 134 private static final long DISMISS_DELAY = 300; 135 136 // TODO: get correct number/ algorithm from with UX. 137 // Visible for testing. 138 /*package*/ static final int CHIP_LIMIT = 2; 139 140 private static final int MAX_CHIPS_PARSED = 50; 141 142 private static int sSelectedTextColor = -1; 143 144 // Work variables to avoid re-allocation on every typed character. 145 private final Rect mRect = new Rect(); 146 private final int[] mCoords = new int[2]; 147 148 // Resources for displaying chips. 149 private Drawable mChipBackground = null; 150 private Drawable mChipDelete = null; 151 private Drawable mInvalidChipBackground; 152 private Drawable mChipBackgroundPressed; 153 154 // Possible attr overrides 155 private float mChipHeight; 156 private float mChipFontSize; 157 private float mLineSpacingExtra; 158 private int mChipTextStartPadding; 159 private int mChipTextEndPadding; 160 private final int mTextHeight; 161 private boolean mDisableDelete; 162 private int mMaxLines; 163 164 /** 165 * Enumerator for avatar position. See attr.xml for more details. 166 * 0 for end, 1 for start. 167 */ 168 private int mAvatarPosition; 169 private static final int AVATAR_POSITION_END = 0; 170 private static final int AVATAR_POSITION_START = 1; 171 172 private Paint mWorkPaint = new Paint(); 173 174 private Tokenizer mTokenizer; 175 private Validator mValidator; 176 private Handler mHandler; 177 private TextWatcher mTextWatcher; 178 private DropdownChipLayouter mDropdownChipLayouter; 179 180 private View mDropdownAnchor = this; 181 private ListPopupWindow mAlternatesPopup; 182 private ListPopupWindow mAddressPopup; 183 private View mAlternatePopupAnchor; 184 private OnItemClickListener mAlternatesListener; 185 186 private DrawableRecipientChip mSelectedChip; 187 private Bitmap mDefaultContactPhoto; 188 private ReplacementDrawableSpan mMoreChip; 189 private TextView mMoreItem; 190 191 private boolean mIsAccessibilityOn; 192 private int mCurrentSuggestionCount; 193 194 // VisibleForTesting 195 final ArrayList<String> mPendingChips = new ArrayList<String>(); 196 197 private int mPendingChipsCount = 0; 198 private int mCheckedItem; 199 private boolean mNoChips = false; 200 private boolean mShouldShrink = true; 201 202 // VisibleForTesting 203 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 204 205 private ArrayList<DrawableRecipientChip> mRemovedSpans; 206 207 // Chip copy fields. 208 private GestureDetector mGestureDetector; 209 private Dialog mCopyDialog; 210 private String mCopyAddress; 211 212 // Obtain the enclosing scroll view, if it exists, so that the view can be 213 // scrolled to show the last line of chips content. 214 private ScrollView mScrollView; 215 private boolean mTriedGettingScrollView; 216 private boolean mDragEnabled = false; 217 218 private boolean mAttachedToWindow; 219 220 private final Runnable mAddTextWatcher = new Runnable() { 221 @Override 222 public void run() { 223 if (mTextWatcher == null) { 224 mTextWatcher = new RecipientTextWatcher(); 225 addTextChangedListener(mTextWatcher); 226 } 227 } 228 }; 229 230 private IndividualReplacementTask mIndividualReplacements; 231 232 private Runnable mHandlePendingChips = new Runnable() { 233 234 @Override 235 public void run() { 236 handlePendingChips(); 237 } 238 239 }; 240 241 private Runnable mDelayedShrink = new Runnable() { 242 243 @Override 244 public void run() { 245 shrink(); 246 } 247 248 }; 249 250 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 251 252 public interface RecipientEntryItemClickedListener { 253 /** 254 * Callback that occurs whenever an auto-complete suggestion is clicked. 255 * @param charactersTyped the number of characters typed by the user to provide the 256 * auto-complete suggestions. 257 * @param position the position in the dropdown list that the user clicked 258 */ 259 void onRecipientEntryItemClicked(int charactersTyped, int position); 260 } 261 262 public RecipientEditTextView(Context context, AttributeSet attrs) { 263 super(context, attrs); 264 setChipDimensions(context, attrs); 265 mTextHeight = calculateTextHeight(); 266 if (sSelectedTextColor == -1) { 267 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 268 } 269 mAlternatesPopup = new ListPopupWindow(context); 270 setupPopupWindow(mAlternatesPopup); 271 mAddressPopup = new ListPopupWindow(context); 272 setupPopupWindow(mAddressPopup); 273 mCopyDialog = new Dialog(context); 274 mAlternatesListener = new OnItemClickListener() { 275 @Override 276 public void onItemClick(AdapterView<?> adapterView,View view, int position, 277 long rowId) { 278 mAlternatesPopup.setOnItemClickListener(null); 279 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 280 .getRecipientEntry(position)); 281 Message delayed = Message.obtain(mHandler, DISMISS); 282 delayed.obj = mAlternatesPopup; 283 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 284 clearComposingText(); 285 } 286 }; 287 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 288 setOnItemClickListener(this); 289 setCustomSelectionActionModeCallback(this); 290 mHandler = new Handler() { 291 @Override 292 public void handleMessage(Message msg) { 293 if (msg.what == DISMISS) { 294 ((ListPopupWindow) msg.obj).dismiss(); 295 return; 296 } 297 super.handleMessage(msg); 298 } 299 }; 300 mTextWatcher = new RecipientTextWatcher(); 301 addTextChangedListener(mTextWatcher); 302 mGestureDetector = new GestureDetector(context, this); 303 setOnEditorActionListener(this); 304 305 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 306 } 307 308 private void setupPopupWindow(ListPopupWindow popup) { 309 popup.setModal(true); 310 popup.setOnDismissListener(new PopupWindow.OnDismissListener() { 311 @Override 312 public void onDismiss() { 313 clearSelectedChip(); 314 } 315 }); 316 } 317 318 @Override 319 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 320 super.onLayout(changed, left, top, right, bottom); 321 322 final AccessibilityManager accessibilityManager = 323 (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 324 mIsAccessibilityOn = accessibilityManager.isEnabled(); 325 } 326 327 private int calculateTextHeight() { 328 final TextPaint paint = getPaint(); 329 330 mRect.setEmpty(); 331 // First measure the bounds of a sample text. 332 final String textHeightSample = "a"; 333 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), mRect); 334 335 mRect.left = 0; 336 mRect.right = 0; 337 338 return mRect.height(); 339 } 340 341 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 342 mDropdownChipLayouter = dropdownChipLayouter; 343 mDropdownChipLayouter.setDeleteListener(this); 344 } 345 346 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 347 mRecipientEntryItemClickedListener = listener; 348 } 349 350 @Override 351 protected void onDetachedFromWindow() { 352 super.onDetachedFromWindow(); 353 mAttachedToWindow = false; 354 dismissPopups(); 355 } 356 357 @Override 358 protected void onAttachedToWindow() { 359 super.onAttachedToWindow(); 360 mAttachedToWindow = true; 361 362 final int anchorId = getDropDownAnchor(); 363 if (anchorId != View.NO_ID) { 364 mDropdownAnchor = getRootView().findViewById(anchorId); 365 } 366 } 367 368 @Override 369 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 370 if (action == EditorInfo.IME_ACTION_DONE) { 371 if (commitDefault()) { 372 return true; 373 } 374 if (mSelectedChip != null) { 375 clearSelectedChip(); 376 return true; 377 } else if (focusNext()) { 378 return true; 379 } 380 } 381 return false; 382 } 383 384 @Override 385 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 386 InputConnection connection = super.onCreateInputConnection(outAttrs); 387 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 388 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 389 // clear the existing action 390 outAttrs.imeOptions ^= imeActions; 391 // set the DONE action 392 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 393 } 394 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 395 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 396 } 397 398 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 399 400 // Custom action labels are discouraged in L; a checkmark icon is shown in place of the 401 // custom text in this case. 402 outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? null : 403 getContext().getString(R.string.action_label); 404 return connection; 405 } 406 407 /*package*/ DrawableRecipientChip getLastChip() { 408 DrawableRecipientChip last = null; 409 DrawableRecipientChip[] chips = getSortedRecipients(); 410 if (chips != null && chips.length > 0) { 411 last = chips[chips.length - 1]; 412 } 413 return last; 414 } 415 416 /** 417 * @return The list of {@link RecipientEntry}s that have been selected by the user. 418 */ 419 public List<RecipientEntry> getSelectedRecipients() { 420 DrawableRecipientChip[] chips = 421 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 422 List<RecipientEntry> results = new ArrayList(); 423 if (chips == null) { 424 return results; 425 } 426 427 for (DrawableRecipientChip c : chips) { 428 results.add(c.getEntry()); 429 } 430 431 return results; 432 } 433 434 @Override 435 public void onSelectionChanged(int start, int end) { 436 // When selection changes, see if it is inside the chips area. 437 // If so, move the cursor back after the chips again. 438 DrawableRecipientChip last = getLastChip(); 439 if (last != null && start < getSpannable().getSpanEnd(last)) { 440 // Grab the last chip and set the cursor to after it. 441 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 442 } 443 super.onSelectionChanged(start, end); 444 } 445 446 @Override 447 public void onRestoreInstanceState(Parcelable state) { 448 if (!TextUtils.isEmpty(getText())) { 449 super.onRestoreInstanceState(null); 450 } else { 451 super.onRestoreInstanceState(state); 452 } 453 } 454 455 @Override 456 public Parcelable onSaveInstanceState() { 457 // If the user changes orientation while they are editing, just roll back the selection. 458 clearSelectedChip(); 459 return super.onSaveInstanceState(); 460 } 461 462 /** 463 * Convenience method: Append the specified text slice to the TextView's 464 * display buffer, upgrading it to BufferType.EDITABLE if it was 465 * not already editable. Commas are excluded as they are added automatically 466 * by the view. 467 */ 468 @Override 469 public void append(CharSequence text, int start, int end) { 470 // We don't care about watching text changes while appending. 471 if (mTextWatcher != null) { 472 removeTextChangedListener(mTextWatcher); 473 } 474 super.append(text, start, end); 475 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 476 String displayString = text.toString(); 477 478 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 479 // We have no separator, so we should add it 480 super.append(SEPARATOR, 0, SEPARATOR.length()); 481 displayString += SEPARATOR; 482 } 483 484 if (!TextUtils.isEmpty(displayString) 485 && TextUtils.getTrimmedLength(displayString) > 0) { 486 mPendingChipsCount++; 487 mPendingChips.add(displayString); 488 } 489 } 490 // Put a message on the queue to make sure we ALWAYS handle pending 491 // chips. 492 if (mPendingChipsCount > 0) { 493 postHandlePendingChips(); 494 } 495 mHandler.post(mAddTextWatcher); 496 } 497 498 @Override 499 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 500 super.onFocusChanged(hasFocus, direction, previous); 501 if (!hasFocus) { 502 shrink(); 503 } else { 504 expand(); 505 } 506 } 507 508 @Override 509 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 510 super.setAdapter(adapter); 511 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 512 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 513 @Override 514 public void onChanged(List<RecipientEntry> entries) { 515 // Scroll the chips field to the top of the screen so 516 // that the user can see as many results as possible. 517 if (entries != null && entries.size() > 0) { 518 scrollBottomIntoView(); 519 // Here the current suggestion count is still the old one since we update 520 // the count at the bottom of this function. 521 if (mCurrentSuggestionCount == 0) { 522 // Announce the new number of possible choices for accessibility. 523 announceForAccessibilityCompat(getContext().getString( 524 R.string.accessbility_suggestion_dropdown_opened)); 525 } 526 } 527 528 // Set the dropdown height to be the remaining height from the anchor to the bottom. 529 mDropdownAnchor.getLocationInWindow(mCoords); 530 getWindowVisibleDisplayFrame(mRect); 531 setDropDownHeight(mRect.bottom - mCoords[1] - mDropdownAnchor.getHeight()); 532 533 mCurrentSuggestionCount = entries == null ? 0 : entries.size(); 534 } 535 }); 536 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 537 } 538 539 private void announceForAccessibilityCompat(String text) { 540 if (mIsAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 541 final ViewParent parent = getParent(); 542 if (parent != null) { 543 AccessibilityEvent event = AccessibilityEvent.obtain( 544 AccessibilityEvent.TYPE_ANNOUNCEMENT); 545 onInitializeAccessibilityEvent(event); 546 event.getText().add(text); 547 event.setContentDescription(null); 548 parent.requestSendAccessibilityEvent(this, event); 549 } 550 } 551 } 552 553 protected void scrollBottomIntoView() { 554 if (mScrollView != null && mShouldShrink) { 555 getLocationInWindow(mCoords); 556 // Desired position shows at least 1 line of chips below the action 557 // bar. We add excess padding to make sure this is always below other 558 // content. 559 final int height = getHeight(); 560 final int currentPos = mCoords[1] + height; 561 mScrollView.getLocationInWindow(mCoords); 562 final int desiredPos = mCoords[1] + height / getLineCount(); 563 if (currentPos > desiredPos) { 564 mScrollView.scrollBy(0, currentPos - desiredPos); 565 } 566 } 567 } 568 569 protected ScrollView getScrollView() { 570 return mScrollView; 571 } 572 573 @Override 574 public void performValidation() { 575 // Do nothing. Chips handles its own validation. 576 } 577 578 private void shrink() { 579 if (mTokenizer == null) { 580 return; 581 } 582 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 583 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 584 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 585 clearSelectedChip(); 586 } else { 587 if (getWidth() <= 0) { 588 // We don't have the width yet which means the view hasn't been drawn yet 589 // and there is no reason to attempt to commit chips yet. 590 // This focus lost must be the result of an orientation change 591 // or an initial rendering. 592 // Re-post the shrink for later. 593 mHandler.removeCallbacks(mDelayedShrink); 594 mHandler.post(mDelayedShrink); 595 return; 596 } 597 // Reset any pending chips as they would have been handled 598 // when the field lost focus. 599 if (mPendingChipsCount > 0) { 600 postHandlePendingChips(); 601 } else { 602 Editable editable = getText(); 603 int end = getSelectionEnd(); 604 int start = mTokenizer.findTokenStart(editable, end); 605 DrawableRecipientChip[] chips = 606 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 607 if ((chips == null || chips.length == 0)) { 608 Editable text = getText(); 609 int whatEnd = mTokenizer.findTokenEnd(text, start); 610 // This token was already tokenized, so skip past the ending token. 611 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 612 whatEnd = movePastTerminators(whatEnd); 613 } 614 // In the middle of chip; treat this as an edit 615 // and commit the whole token. 616 int selEnd = getSelectionEnd(); 617 if (whatEnd != selEnd) { 618 handleEdit(start, whatEnd); 619 } else { 620 commitChip(start, end, editable); 621 } 622 } 623 } 624 mHandler.post(mAddTextWatcher); 625 } 626 createMoreChip(); 627 } 628 629 private void expand() { 630 if (mShouldShrink) { 631 setMaxLines(Integer.MAX_VALUE); 632 } 633 removeMoreChip(); 634 setCursorVisible(true); 635 Editable text = getText(); 636 setSelection(text != null && text.length() > 0 ? text.length() : 0); 637 // If there are any temporary chips, try replacing them now that the user 638 // has expanded the field. 639 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 640 new RecipientReplacementTask().execute(); 641 mTemporaryRecipients = null; 642 } 643 } 644 645 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 646 paint.setTextSize(mChipFontSize); 647 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 648 Log.d(TAG, "Max width is negative: " + maxWidth); 649 } 650 return TextUtils.ellipsize(text, paint, maxWidth, 651 TextUtils.TruncateAt.END); 652 } 653 654 /** 655 * Creates a bitmap of the given contact on a selected chip. 656 * 657 * @param contact The recipient entry to pull data from. 658 * @param paint The paint to use to draw the bitmap. 659 */ 660 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 661 paint.setColor(sSelectedTextColor); 662 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 663 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 664 665 if (bitmapContainer.loadIcon) { 666 loadAvatarIcon(contact, bitmapContainer); 667 } 668 669 return bitmapContainer.bitmap; 670 } 671 672 /** 673 * Creates a bitmap of the given contact on a selected chip. 674 * 675 * @param contact The recipient entry to pull data from. 676 * @param paint The paint to use to draw the bitmap. 677 */ 678 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 679 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 680 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 681 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 682 683 if (bitmapContainer.loadIcon) { 684 loadAvatarIcon(contact, bitmapContainer); 685 } 686 return bitmapContainer.bitmap; 687 } 688 689 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 690 Drawable overrideBackgroundDrawable, int backgroundColor) { 691 final ChipBitmapContainer result = new ChipBitmapContainer(); 692 693 Rect backgroundPadding = new Rect(); 694 if (overrideBackgroundDrawable != null) { 695 overrideBackgroundDrawable.getPadding(backgroundPadding); 696 } 697 698 // Ellipsize the text so that it takes AT MOST the entire width of the 699 // autocomplete text entry area. Make sure to leave space for padding 700 // on the sides. 701 int height = (int) mChipHeight; 702 // Since the icon is a square, it's width is equal to the maximum height it can be inside 703 // the chip. Don't include iconWidth for invalid contacts. 704 int iconWidth = contact.isValid() ? 705 height - backgroundPadding.top - backgroundPadding.bottom : 0; 706 float[] widths = new float[1]; 707 paint.getTextWidths(" ", widths); 708 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 709 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 710 - backgroundPadding.right); 711 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 712 713 // Chip start padding is the same as the end padding if there is no contact image. 714 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 715 // Make sure there is a minimum chip width so the user can ALWAYS 716 // tap a chip without difficulty. 717 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 718 + iconWidth + backgroundPadding.left + backgroundPadding.right); 719 720 // Create the background of the chip. 721 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 722 final Canvas canvas = new Canvas(result.bitmap); 723 724 // Check if the background drawable is set via attr 725 if (overrideBackgroundDrawable != null) { 726 overrideBackgroundDrawable.setBounds(0, 0, width, height); 727 overrideBackgroundDrawable.draw(canvas); 728 } else { 729 // Draw the default chip background 730 mWorkPaint.reset(); 731 mWorkPaint.setColor(backgroundColor); 732 mWorkPaint.setAntiAlias(true); 733 final float radius = height / 2; 734 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 735 mWorkPaint); 736 } 737 738 // Draw the text vertically aligned 739 int textX = shouldPositionAvatarOnRight() ? 740 mChipTextEndPadding + backgroundPadding.left : 741 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 742 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 743 textX, getTextYOffset(height), paint); 744 745 // Set the variables that are needed to draw the icon bitmap once it's loaded 746 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 747 backgroundPadding.left; 748 result.left = iconX; 749 result.top = backgroundPadding.top; 750 result.right = iconX + iconWidth; 751 result.bottom = height - backgroundPadding.bottom; 752 753 return result; 754 } 755 756 /** 757 * Helper function that draws the loaded icon bitmap into the chips bitmap 758 */ 759 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 760 final Canvas canvas = new Canvas(bitMapResult.bitmap); 761 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 762 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 763 bitMapResult.bottom); 764 drawIconOnCanvas(icon, canvas, src, dst); 765 } 766 767 /** 768 * Returns true if the avatar should be positioned at the right edge of the chip. 769 * Takes into account both the set avatar position (start or end) as well as whether 770 * the layout direction is LTR or RTL. 771 */ 772 private boolean shouldPositionAvatarOnRight() { 773 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 774 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 775 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 776 // If in Rtl mode, the position should be flipped. 777 return isRtl ? !assignedPosition : assignedPosition; 778 } 779 780 /** 781 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 782 * draw an icon for this recipient. 783 */ 784 private void loadAvatarIcon(final RecipientEntry contact, 785 final ChipBitmapContainer bitmapContainer) { 786 // Don't draw photos for recipients that have been typed in OR generated on the fly. 787 long contactId = contact.getContactId(); 788 boolean drawPhotos = isPhoneQuery() ? 789 contactId != RecipientEntry.INVALID_CONTACT 790 : (contactId != RecipientEntry.INVALID_CONTACT 791 && contactId != RecipientEntry.GENERATED_CONTACT); 792 793 if (drawPhotos) { 794 final byte[] origPhotoBytes = contact.getPhotoBytes(); 795 // There may not be a photo yet if anything but the first contact address 796 // was selected. 797 if (origPhotoBytes == null) { 798 // TODO: cache this in the recipient entry? 799 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 800 @Override 801 public void onPhotoBytesPopulated() { 802 // Call through to the async version which will ensure 803 // proper threading. 804 onPhotoBytesAsynchronouslyPopulated(); 805 } 806 807 @Override 808 public void onPhotoBytesAsynchronouslyPopulated() { 809 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 810 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 811 loadedPhotoBytes.length); 812 tryDrawAndInvalidate(icon); 813 } 814 815 @Override 816 public void onPhotoBytesAsyncLoadFailed() { 817 // TODO: can the scaled down default photo be cached? 818 tryDrawAndInvalidate(mDefaultContactPhoto); 819 } 820 821 private void tryDrawAndInvalidate(Bitmap icon) { 822 drawIcon(bitmapContainer, icon); 823 // The caller might originated from a background task. However, if the 824 // background task has already completed, the view might be already drawn 825 // on the UI but the callback would happen on the background thread. 826 // So if we are on a background thread, post an invalidate call to the UI. 827 if (Looper.myLooper() == Looper.getMainLooper()) { 828 // The view might not redraw itself since it's loaded asynchronously 829 invalidate(); 830 } else { 831 post(new Runnable() { 832 @Override 833 public void run() { 834 invalidate(); 835 } 836 }); 837 } 838 } 839 }); 840 } else { 841 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 842 origPhotoBytes.length); 843 drawIcon(bitmapContainer, icon); 844 } 845 } 846 } 847 848 /** 849 * Get the background drawable for a RecipientChip. 850 */ 851 // Visible for testing. 852 /* package */Drawable getChipBackground(RecipientEntry contact) { 853 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 854 } 855 856 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 857 return getResources().getColor(contact.isValid() ? R.color.chip_background : 858 R.color.chip_background_invalid); 859 } 860 861 /** 862 * Given a height, returns a Y offset that will draw the text in the middle of the height. 863 */ 864 protected float getTextYOffset(int height) { 865 return height - ((height - mTextHeight) / 2); 866 } 867 868 /** 869 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 870 * rectangle of the canvas. 871 */ 872 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 873 final Matrix matrix = new Matrix(); 874 875 // Draw bitmap through shader first. 876 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 877 matrix.reset(); 878 879 // Fit bitmap to bounds. 880 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 881 882 shader.setLocalMatrix(matrix); 883 mWorkPaint.reset(); 884 mWorkPaint.setShader(shader); 885 mWorkPaint.setAntiAlias(true); 886 mWorkPaint.setFilterBitmap(true); 887 mWorkPaint.setDither(true); 888 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 889 890 // Then draw the border. 891 final float borderWidth = 1f; 892 mWorkPaint.reset(); 893 mWorkPaint.setColor(Color.TRANSPARENT); 894 mWorkPaint.setStyle(Style.STROKE); 895 mWorkPaint.setStrokeWidth(borderWidth); 896 mWorkPaint.setAntiAlias(true); 897 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 898 899 mWorkPaint.reset(); 900 } 901 902 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 903 TextPaint paint = getPaint(); 904 float defaultSize = paint.getTextSize(); 905 int defaultColor = paint.getColor(); 906 907 Bitmap tmpBitmap; 908 if (pressed) { 909 tmpBitmap = createSelectedChip(contact, paint); 910 911 } else { 912 tmpBitmap = createUnselectedChip(contact, paint); 913 } 914 915 // Pass the full text, un-ellipsized, to the chip. 916 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 917 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 918 VisibleRecipientChip recipientChip = 919 new VisibleRecipientChip(result, contact); 920 recipientChip.setExtraMargin(mLineSpacingExtra); 921 // Return text to the original size. 922 paint.setTextSize(defaultSize); 923 paint.setColor(defaultColor); 924 return recipientChip; 925 } 926 927 /** 928 * Calculate the bottom of the line the chip will be located on using: 929 * 1) which line the chip appears on 930 * 2) the height of a chip 931 * 3) padding built into the edit text view 932 */ 933 private int calculateOffsetFromBottom(int line) { 934 // Line offsets start at zero. 935 int actualLine = getLineCount() - (line + 1); 936 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 937 + getDropDownVerticalOffset(); 938 } 939 940 /** 941 * Calculate the offset from bottom of the EditText to top of the provided line. 942 */ 943 private int calculateOffsetFromBottomToTop(int line) { 944 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 945 .abs(getLineCount() - line)) + getPaddingBottom()); 946 } 947 948 /** 949 * Get the max amount of space a chip can take up. The formula takes into 950 * account the width of the EditTextView, any view padding, and padding 951 * that will be added to the chip. 952 */ 953 private float calculateAvailableWidth() { 954 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 955 - mChipTextEndPadding; 956 } 957 958 959 private void setChipDimensions(Context context, AttributeSet attrs) { 960 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 961 0); 962 Resources r = getContext().getResources(); 963 964 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 965 mChipBackgroundPressed = a 966 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 967 mInvalidChipBackground = a 968 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 969 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 970 if (mChipDelete == null) { 971 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 972 } 973 mChipTextStartPadding = mChipTextEndPadding 974 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 975 if (mChipTextStartPadding == -1) { 976 mChipTextStartPadding = mChipTextEndPadding = 977 (int) r.getDimension(R.dimen.chip_padding); 978 } 979 // xml-overrides for each individual padding 980 // TODO: add these to attr? 981 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 982 if (overridePadding >= 0) { 983 mChipTextStartPadding = overridePadding; 984 } 985 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 986 if (overridePadding >= 0) { 987 mChipTextEndPadding = overridePadding; 988 } 989 990 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 991 992 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 993 994 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 995 if (mChipHeight == -1) { 996 mChipHeight = r.getDimension(R.dimen.chip_height); 997 } 998 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 999 if (mChipFontSize == -1) { 1000 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 1001 } 1002 mAvatarPosition = 1003 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 1004 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 1005 1006 mMaxLines = r.getInteger(R.integer.chips_max_lines); 1007 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 1008 1009 a.recycle(); 1010 } 1011 1012 // Visible for testing. 1013 /* package */ void setMoreItem(TextView moreItem) { 1014 mMoreItem = moreItem; 1015 } 1016 1017 1018 // Visible for testing. 1019 /* package */ void setChipBackground(Drawable chipBackground) { 1020 mChipBackground = chipBackground; 1021 } 1022 1023 // Visible for testing. 1024 /* package */ void setChipHeight(int height) { 1025 mChipHeight = height; 1026 } 1027 1028 public float getChipHeight() { 1029 return mChipHeight; 1030 } 1031 1032 /** 1033 * Set whether to shrink the recipients field such that at most 1034 * one line of recipients chips are shown when the field loses 1035 * focus. By default, the number of displayed recipients will be 1036 * limited and a "more" chip will be shown when focus is lost. 1037 * @param shrink 1038 */ 1039 public void setOnFocusListShrinkRecipients(boolean shrink) { 1040 mShouldShrink = shrink; 1041 } 1042 1043 @Override 1044 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1045 super.onSizeChanged(width, height, oldw, oldh); 1046 if (width != 0 && height != 0) { 1047 if (mPendingChipsCount > 0) { 1048 postHandlePendingChips(); 1049 } else { 1050 checkChipWidths(); 1051 } 1052 } 1053 // Try to find the scroll view parent, if it exists. 1054 if (mScrollView == null && !mTriedGettingScrollView) { 1055 ViewParent parent = getParent(); 1056 while (parent != null && !(parent instanceof ScrollView)) { 1057 parent = parent.getParent(); 1058 } 1059 if (parent != null) { 1060 mScrollView = (ScrollView) parent; 1061 } 1062 mTriedGettingScrollView = true; 1063 } 1064 } 1065 1066 private void postHandlePendingChips() { 1067 mHandler.removeCallbacks(mHandlePendingChips); 1068 mHandler.post(mHandlePendingChips); 1069 } 1070 1071 private void checkChipWidths() { 1072 // Check the widths of the associated chips. 1073 DrawableRecipientChip[] chips = getSortedRecipients(); 1074 if (chips != null) { 1075 Rect bounds; 1076 for (DrawableRecipientChip chip : chips) { 1077 bounds = chip.getBounds(); 1078 if (getWidth() > 0 && bounds.right - bounds.left > 1079 getWidth() - getPaddingLeft() - getPaddingRight()) { 1080 // Need to redraw that chip. 1081 replaceChip(chip, chip.getEntry()); 1082 } 1083 } 1084 } 1085 } 1086 1087 // Visible for testing. 1088 /*package*/ void handlePendingChips() { 1089 if (getViewWidth() <= 0) { 1090 // The widget has not been sized yet. 1091 // This will be called as a result of onSizeChanged 1092 // at a later point. 1093 return; 1094 } 1095 if (mPendingChipsCount <= 0) { 1096 return; 1097 } 1098 1099 synchronized (mPendingChips) { 1100 Editable editable = getText(); 1101 // Tokenize! 1102 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1103 for (int i = 0; i < mPendingChips.size(); i++) { 1104 String current = mPendingChips.get(i); 1105 int tokenStart = editable.toString().indexOf(current); 1106 // Always leave a space at the end between tokens. 1107 int tokenEnd = tokenStart + current.length() - 1; 1108 if (tokenStart >= 0) { 1109 // When we have a valid token, include it with the token 1110 // to the left. 1111 if (tokenEnd < editable.length() - 2 1112 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1113 tokenEnd++; 1114 } 1115 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1116 || !mShouldShrink); 1117 } 1118 mPendingChipsCount--; 1119 } 1120 sanitizeEnd(); 1121 } else { 1122 mNoChips = true; 1123 } 1124 1125 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1126 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1127 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1128 new RecipientReplacementTask().execute(); 1129 mTemporaryRecipients = null; 1130 } else { 1131 // Create the "more" chip 1132 mIndividualReplacements = new IndividualReplacementTask(); 1133 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1134 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1135 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1136 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1137 mTemporaryRecipients.subList(CHIP_LIMIT, 1138 mTemporaryRecipients.size())); 1139 } else { 1140 mTemporaryRecipients = null; 1141 } 1142 createMoreChip(); 1143 } 1144 } else { 1145 // There are too many recipients to look up, so just fall back 1146 // to showing addresses for all of them. 1147 mTemporaryRecipients = null; 1148 createMoreChip(); 1149 } 1150 mPendingChipsCount = 0; 1151 mPendingChips.clear(); 1152 } 1153 } 1154 1155 // Visible for testing. 1156 /*package*/ int getViewWidth() { 1157 return getWidth(); 1158 } 1159 1160 /** 1161 * Remove any characters after the last valid chip. 1162 */ 1163 // Visible for testing. 1164 /*package*/ void sanitizeEnd() { 1165 // Don't sanitize while we are waiting for pending chips to complete. 1166 if (mPendingChipsCount > 0) { 1167 return; 1168 } 1169 // Find the last chip; eliminate any commit characters after it. 1170 DrawableRecipientChip[] chips = getSortedRecipients(); 1171 Spannable spannable = getSpannable(); 1172 if (chips != null && chips.length > 0) { 1173 int end; 1174 mMoreChip = getMoreChip(); 1175 if (mMoreChip != null) { 1176 end = spannable.getSpanEnd(mMoreChip); 1177 } else { 1178 end = getSpannable().getSpanEnd(getLastChip()); 1179 } 1180 Editable editable = getText(); 1181 int length = editable.length(); 1182 if (length > end) { 1183 // See what characters occur after that and eliminate them. 1184 if (Log.isLoggable(TAG, Log.DEBUG)) { 1185 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1186 + editable); 1187 } 1188 editable.delete(end + 1, length); 1189 } 1190 } 1191 } 1192 1193 /** 1194 * Create a chip that represents just the email address of a recipient. At some later 1195 * point, this chip will be attached to a real contact entry, if one exists. 1196 */ 1197 // VisibleForTesting 1198 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1199 boolean visible) { 1200 if (alreadyHasChip(tokenStart, tokenEnd)) { 1201 // There is already a chip present at this location. 1202 // Don't recreate it. 1203 return; 1204 } 1205 String token = editable.toString().substring(tokenStart, tokenEnd); 1206 final String trimmedToken = token.trim(); 1207 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1208 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1209 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1210 } 1211 RecipientEntry entry = createTokenizedEntry(token); 1212 if (entry != null) { 1213 DrawableRecipientChip chip = null; 1214 try { 1215 if (!mNoChips) { 1216 chip = visible ? 1217 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1218 } 1219 } catch (NullPointerException e) { 1220 Log.e(TAG, e.getMessage(), e); 1221 } 1222 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1223 // Add this chip to the list of entries "to replace" 1224 if (chip != null) { 1225 if (mTemporaryRecipients == null) { 1226 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1227 } 1228 chip.setOriginalText(token); 1229 mTemporaryRecipients.add(chip); 1230 } 1231 } 1232 } 1233 1234 private static boolean isPhoneNumber(String number) { 1235 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1236 // PhoneNumberUtil). One complication is that it requires the sender's region which 1237 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1238 if (TextUtils.isEmpty(number)) { 1239 return false; 1240 } 1241 1242 Matcher match = PHONE_PATTERN.matcher(number); 1243 return match.matches(); 1244 } 1245 1246 // VisibleForTesting 1247 RecipientEntry createTokenizedEntry(final String token) { 1248 if (TextUtils.isEmpty(token)) { 1249 return null; 1250 } 1251 if (isPhoneQuery() && isPhoneNumber(token)) { 1252 return RecipientEntry.constructFakePhoneEntry(token, true); 1253 } 1254 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1255 String display = null; 1256 boolean isValid = isValid(token); 1257 if (isValid && tokens != null && tokens.length > 0) { 1258 // If we can get a name from tokenizing, then generate an entry from 1259 // this. 1260 display = tokens[0].getName(); 1261 if (!TextUtils.isEmpty(display)) { 1262 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1263 isValid); 1264 } else { 1265 display = tokens[0].getAddress(); 1266 if (!TextUtils.isEmpty(display)) { 1267 return RecipientEntry.constructFakeEntry(display, isValid); 1268 } 1269 } 1270 } 1271 // Unable to validate the token or to create a valid token from it. 1272 // Just create a chip the user can edit. 1273 String validatedToken = null; 1274 if (mValidator != null && !isValid) { 1275 // Try fixing up the entry using the validator. 1276 validatedToken = mValidator.fixText(token).toString(); 1277 if (!TextUtils.isEmpty(validatedToken)) { 1278 if (validatedToken.contains(token)) { 1279 // protect against the case of a validator with a null 1280 // domain, 1281 // which doesn't add a domain to the token 1282 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1283 if (tokenized.length > 0) { 1284 validatedToken = tokenized[0].getAddress(); 1285 isValid = true; 1286 } 1287 } else { 1288 // We ran into a case where the token was invalid and 1289 // removed 1290 // by the validator. In this case, just use the original 1291 // token 1292 // and let the user sort out the error chip. 1293 validatedToken = null; 1294 isValid = false; 1295 } 1296 } 1297 } 1298 // Otherwise, fallback to just creating an editable email address chip. 1299 return RecipientEntry.constructFakeEntry( 1300 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1301 } 1302 1303 private boolean isValid(String text) { 1304 return mValidator == null ? true : mValidator.isValid(text); 1305 } 1306 1307 private static String tokenizeAddress(String destination) { 1308 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1309 if (tokens != null && tokens.length > 0) { 1310 return tokens[0].getAddress(); 1311 } 1312 return destination; 1313 } 1314 1315 @Override 1316 public void setTokenizer(Tokenizer tokenizer) { 1317 mTokenizer = tokenizer; 1318 super.setTokenizer(mTokenizer); 1319 } 1320 1321 @Override 1322 public void setValidator(Validator validator) { 1323 mValidator = validator; 1324 super.setValidator(validator); 1325 } 1326 1327 /** 1328 * We cannot use the default mechanism for replaceText. Instead, 1329 * we override onItemClickListener so we can get all the associated 1330 * contact information including display text, address, and id. 1331 */ 1332 @Override 1333 protected void replaceText(CharSequence text) { 1334 return; 1335 } 1336 1337 /** 1338 * Dismiss any selected chips when the back key is pressed. 1339 */ 1340 @Override 1341 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1342 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1343 clearSelectedChip(); 1344 return true; 1345 } 1346 return super.onKeyPreIme(keyCode, event); 1347 } 1348 1349 /** 1350 * Monitor key presses in this view to see if the user types 1351 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1352 * If the user has entered text that has contact matches and types 1353 * a commit key, create a chip from the topmost matching contact. 1354 * If the user has entered text that has no contact matches and types 1355 * a commit key, then create a chip from the text they have entered. 1356 */ 1357 @Override 1358 public boolean onKeyUp(int keyCode, KeyEvent event) { 1359 switch (keyCode) { 1360 case KeyEvent.KEYCODE_TAB: 1361 if (event.hasNoModifiers()) { 1362 if (mSelectedChip != null) { 1363 clearSelectedChip(); 1364 } else { 1365 commitDefault(); 1366 } 1367 } 1368 break; 1369 } 1370 return super.onKeyUp(keyCode, event); 1371 } 1372 1373 private boolean focusNext() { 1374 View next = focusSearch(View.FOCUS_DOWN); 1375 if (next != null) { 1376 next.requestFocus(); 1377 return true; 1378 } 1379 return false; 1380 } 1381 1382 /** 1383 * Create a chip from the default selection. If the popup is showing, the 1384 * default is the selected item (if one is selected), or the first item, in the popup 1385 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1386 * tokenizer should search for a token to turn into a chip. 1387 * @return If a chip was created from a real contact. 1388 */ 1389 private boolean commitDefault() { 1390 // If there is no tokenizer, don't try to commit. 1391 if (mTokenizer == null) { 1392 return false; 1393 } 1394 Editable editable = getText(); 1395 int end = getSelectionEnd(); 1396 int start = mTokenizer.findTokenStart(editable, end); 1397 1398 if (shouldCreateChip(start, end)) { 1399 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1400 // In the middle of chip; treat this as an edit 1401 // and commit the whole token. 1402 whatEnd = movePastTerminators(whatEnd); 1403 if (whatEnd != getSelectionEnd()) { 1404 handleEdit(start, whatEnd); 1405 return true; 1406 } 1407 return commitChip(start, end , editable); 1408 } 1409 return false; 1410 } 1411 1412 private void commitByCharacter() { 1413 // We can't possibly commit by character if we can't tokenize. 1414 if (mTokenizer == null) { 1415 return; 1416 } 1417 Editable editable = getText(); 1418 int end = getSelectionEnd(); 1419 int start = mTokenizer.findTokenStart(editable, end); 1420 if (shouldCreateChip(start, end)) { 1421 commitChip(start, end, editable); 1422 } 1423 setSelection(getText().length()); 1424 } 1425 1426 private boolean commitChip(int start, int end, Editable editable) { 1427 ListAdapter adapter = getAdapter(); 1428 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1429 && end == getSelectionEnd() && !isPhoneQuery()) { 1430 // let's choose the selected or first entry if only the input text is NOT an email 1431 // address so we won't try to replace the user's potentially correct but 1432 // new/unencountered email input 1433 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1434 final int selectedPosition = getListSelection(); 1435 if (selectedPosition == -1) { 1436 // Nothing is selected; use the first item 1437 submitItemAtPosition(0); 1438 } else { 1439 submitItemAtPosition(selectedPosition); 1440 } 1441 } 1442 dismissDropDown(); 1443 return true; 1444 } else { 1445 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1446 if (editable.length() > tokenEnd + 1) { 1447 char charAt = editable.charAt(tokenEnd + 1); 1448 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1449 tokenEnd++; 1450 } 1451 } 1452 String text = editable.toString().substring(start, tokenEnd).trim(); 1453 clearComposingText(); 1454 if (text != null && text.length() > 0 && !text.equals(" ")) { 1455 RecipientEntry entry = createTokenizedEntry(text); 1456 if (entry != null) { 1457 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1458 CharSequence chipText = createChip(entry, false); 1459 if (chipText != null && start > -1 && end > -1) { 1460 editable.replace(start, end, chipText); 1461 } 1462 } 1463 // Only dismiss the dropdown if it is related to the text we 1464 // just committed. 1465 // For paste, it may not be as there are possibly multiple 1466 // tokens being added. 1467 if (end == getSelectionEnd()) { 1468 dismissDropDown(); 1469 } 1470 sanitizeBetween(); 1471 return true; 1472 } 1473 } 1474 return false; 1475 } 1476 1477 // Visible for testing. 1478 /* package */ void sanitizeBetween() { 1479 // Don't sanitize while we are waiting for content to chipify. 1480 if (mPendingChipsCount > 0) { 1481 return; 1482 } 1483 // Find the last chip. 1484 DrawableRecipientChip[] recips = getSortedRecipients(); 1485 if (recips != null && recips.length > 0) { 1486 DrawableRecipientChip last = recips[recips.length - 1]; 1487 DrawableRecipientChip beforeLast = null; 1488 if (recips.length > 1) { 1489 beforeLast = recips[recips.length - 2]; 1490 } 1491 int startLooking = 0; 1492 int end = getSpannable().getSpanStart(last); 1493 if (beforeLast != null) { 1494 startLooking = getSpannable().getSpanEnd(beforeLast); 1495 Editable text = getText(); 1496 if (startLooking == -1 || startLooking > text.length() - 1) { 1497 // There is nothing after this chip. 1498 return; 1499 } 1500 if (text.charAt(startLooking) == ' ') { 1501 startLooking++; 1502 } 1503 } 1504 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1505 getText().delete(startLooking, end); 1506 } 1507 } 1508 } 1509 1510 private boolean shouldCreateChip(int start, int end) { 1511 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1512 } 1513 1514 private boolean alreadyHasChip(int start, int end) { 1515 if (mNoChips) { 1516 return true; 1517 } 1518 DrawableRecipientChip[] chips = 1519 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1520 if ((chips == null || chips.length == 0)) { 1521 return false; 1522 } 1523 return true; 1524 } 1525 1526 private void handleEdit(int start, int end) { 1527 if (start == -1 || end == -1) { 1528 // This chip no longer exists in the field. 1529 dismissDropDown(); 1530 return; 1531 } 1532 // This is in the middle of a chip, so select out the whole chip 1533 // and commit it. 1534 Editable editable = getText(); 1535 setSelection(end); 1536 String text = getText().toString().substring(start, end); 1537 if (!TextUtils.isEmpty(text)) { 1538 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1539 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1540 CharSequence chipText = createChip(entry, false); 1541 int selEnd = getSelectionEnd(); 1542 if (chipText != null && start > -1 && selEnd > -1) { 1543 editable.replace(start, selEnd, chipText); 1544 } 1545 } 1546 dismissDropDown(); 1547 } 1548 1549 /** 1550 * If there is a selected chip, delegate the key events 1551 * to the selected chip. 1552 */ 1553 @Override 1554 public boolean onKeyDown(int keyCode, KeyEvent event) { 1555 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1556 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1557 mAlternatesPopup.dismiss(); 1558 } 1559 removeChip(mSelectedChip); 1560 } 1561 1562 switch (keyCode) { 1563 case KeyEvent.KEYCODE_ENTER: 1564 case KeyEvent.KEYCODE_DPAD_CENTER: 1565 if (event.hasNoModifiers()) { 1566 if (commitDefault()) { 1567 return true; 1568 } 1569 if (mSelectedChip != null) { 1570 clearSelectedChip(); 1571 return true; 1572 } else if (focusNext()) { 1573 return true; 1574 } 1575 } 1576 break; 1577 } 1578 1579 return super.onKeyDown(keyCode, event); 1580 } 1581 1582 // Visible for testing. 1583 /* package */ Spannable getSpannable() { 1584 return getText(); 1585 } 1586 1587 private int getChipStart(DrawableRecipientChip chip) { 1588 return getSpannable().getSpanStart(chip); 1589 } 1590 1591 private int getChipEnd(DrawableRecipientChip chip) { 1592 return getSpannable().getSpanEnd(chip); 1593 } 1594 1595 /** 1596 * Instead of filtering on the entire contents of the edit box, 1597 * this subclass method filters on the range from 1598 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1599 * if the length of that range meets or exceeds {@link #getThreshold} 1600 * and makes sure that the range is not already a Chip. 1601 */ 1602 @Override 1603 protected void performFiltering(CharSequence text, int keyCode) { 1604 boolean isCompletedToken = isCompletedToken(text); 1605 if (enoughToFilter() && !isCompletedToken) { 1606 int end = getSelectionEnd(); 1607 int start = mTokenizer.findTokenStart(text, end); 1608 // If this is a RecipientChip, don't filter 1609 // on its contents. 1610 Spannable span = getSpannable(); 1611 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1612 if (chips != null && chips.length > 0) { 1613 dismissDropDown(); 1614 return; 1615 } 1616 } else if (isCompletedToken) { 1617 dismissDropDown(); 1618 return; 1619 } 1620 super.performFiltering(text, keyCode); 1621 } 1622 1623 // Visible for testing. 1624 /*package*/ boolean isCompletedToken(CharSequence text) { 1625 if (TextUtils.isEmpty(text)) { 1626 return false; 1627 } 1628 // Check to see if this is a completed token before filtering. 1629 int end = text.length(); 1630 int start = mTokenizer.findTokenStart(text, end); 1631 String token = text.toString().substring(start, end).trim(); 1632 if (!TextUtils.isEmpty(token)) { 1633 char atEnd = token.charAt(token.length() - 1); 1634 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1635 } 1636 return false; 1637 } 1638 1639 private void clearSelectedChip() { 1640 if (mSelectedChip != null) { 1641 unselectChip(mSelectedChip); 1642 mSelectedChip = null; 1643 } 1644 setCursorVisible(true); 1645 } 1646 1647 /** 1648 * Monitor touch events in the RecipientEditTextView. 1649 * If the view does not have focus, any tap on the view 1650 * will just focus the view. If the view has focus, determine 1651 * if the touch target is a recipient chip. If it is and the chip 1652 * is not selected, select it and clear any other selected chips. 1653 * If it isn't, then select that chip. 1654 */ 1655 @Override 1656 public boolean onTouchEvent(MotionEvent event) { 1657 if (!isFocused()) { 1658 // Ignore any chip taps until this view is focused. 1659 return super.onTouchEvent(event); 1660 } 1661 boolean handled = super.onTouchEvent(event); 1662 int action = event.getAction(); 1663 boolean chipWasSelected = false; 1664 if (mSelectedChip == null) { 1665 mGestureDetector.onTouchEvent(event); 1666 } 1667 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1668 float x = event.getX(); 1669 float y = event.getY(); 1670 int offset = putOffsetInRange(x, y); 1671 DrawableRecipientChip currentChip = findChip(offset); 1672 if (currentChip != null) { 1673 if (action == MotionEvent.ACTION_UP) { 1674 if (mSelectedChip != null && mSelectedChip != currentChip) { 1675 clearSelectedChip(); 1676 mSelectedChip = selectChip(currentChip); 1677 } else if (mSelectedChip == null) { 1678 setSelection(getText().length()); 1679 commitDefault(); 1680 mSelectedChip = selectChip(currentChip); 1681 } else { 1682 onClick(mSelectedChip); 1683 } 1684 } 1685 chipWasSelected = true; 1686 handled = true; 1687 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1688 chipWasSelected = true; 1689 } 1690 } 1691 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1692 clearSelectedChip(); 1693 } 1694 return handled; 1695 } 1696 1697 private void scrollLineIntoView(int line) { 1698 if (mScrollView != null) { 1699 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1700 } 1701 } 1702 1703 private void showAlternates(final DrawableRecipientChip currentChip, 1704 final ListPopupWindow alternatesPopup) { 1705 new AsyncTask<Void, Void, ListAdapter>() { 1706 @Override 1707 protected ListAdapter doInBackground(final Void... params) { 1708 return createAlternatesAdapter(currentChip); 1709 } 1710 1711 @Override 1712 protected void onPostExecute(final ListAdapter result) { 1713 if (!mAttachedToWindow) { 1714 return; 1715 } 1716 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1717 int bottomOffset = calculateOffsetFromBottomToTop(line); 1718 1719 // Align the alternates popup with the left side of the View, 1720 // regardless of the position of the chip tapped. 1721 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1722 mAlternatePopupAnchor : RecipientEditTextView.this); 1723 alternatesPopup.setVerticalOffset(bottomOffset); 1724 alternatesPopup.setAdapter(result); 1725 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1726 // Clear the checked item. 1727 mCheckedItem = -1; 1728 alternatesPopup.show(); 1729 ListView listView = alternatesPopup.getListView(); 1730 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1731 // Checked item would be -1 if the adapter has not 1732 // loaded the view that should be checked yet. The 1733 // variable will be set correctly when onCheckedItemChanged 1734 // is called in a separate thread. 1735 if (mCheckedItem != -1) { 1736 listView.setItemChecked(mCheckedItem, true); 1737 mCheckedItem = -1; 1738 } 1739 } 1740 }.execute((Void[]) null); 1741 } 1742 1743 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1744 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1745 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1746 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1747 constructStateListDeleteDrawable()); 1748 } 1749 1750 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1751 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1752 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1753 } 1754 1755 private StateListDrawable constructStateListDeleteDrawable() { 1756 // Construct the StateListDrawable from deleteDrawable 1757 StateListDrawable deleteDrawable = new StateListDrawable(); 1758 if (!mDisableDelete) { 1759 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1760 } 1761 deleteDrawable.addState(new int[0], null); 1762 return deleteDrawable; 1763 } 1764 1765 @Override 1766 public void onCheckedItemChanged(int position) { 1767 ListView listView = mAlternatesPopup.getListView(); 1768 if (listView != null && listView.getCheckedItemCount() == 0) { 1769 listView.setItemChecked(position, true); 1770 } 1771 mCheckedItem = position; 1772 } 1773 1774 private int putOffsetInRange(final float x, final float y) { 1775 final int offset; 1776 1777 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1778 offset = getOffsetForPosition(x, y); 1779 } else { 1780 offset = supportGetOffsetForPosition(x, y); 1781 } 1782 1783 return putOffsetInRange(offset); 1784 } 1785 1786 // TODO: This algorithm will need a lot of tweaking after more people have used 1787 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1788 // what comes before the finger. 1789 private int putOffsetInRange(int o) { 1790 int offset = o; 1791 Editable text = getText(); 1792 int length = text.length(); 1793 // Remove whitespace from end to find "real end" 1794 int realLength = length; 1795 for (int i = length - 1; i >= 0; i--) { 1796 if (text.charAt(i) == ' ') { 1797 realLength--; 1798 } else { 1799 break; 1800 } 1801 } 1802 1803 // If the offset is beyond or at the end of the text, 1804 // leave it alone. 1805 if (offset >= realLength) { 1806 return offset; 1807 } 1808 Editable editable = getText(); 1809 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1810 // Keep walking backward! 1811 offset--; 1812 } 1813 return offset; 1814 } 1815 1816 private static int findText(Editable text, int offset) { 1817 if (text.charAt(offset) != ' ') { 1818 return offset; 1819 } 1820 return -1; 1821 } 1822 1823 private DrawableRecipientChip findChip(int offset) { 1824 DrawableRecipientChip[] chips = 1825 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1826 // Find the chip that contains this offset. 1827 for (int i = 0; i < chips.length; i++) { 1828 DrawableRecipientChip chip = chips[i]; 1829 int start = getChipStart(chip); 1830 int end = getChipEnd(chip); 1831 if (offset >= start && offset <= end) { 1832 return chip; 1833 } 1834 } 1835 return null; 1836 } 1837 1838 // Visible for testing. 1839 // Use this method to generate text to add to the list of addresses. 1840 /* package */String createAddressText(RecipientEntry entry) { 1841 String display = entry.getDisplayName(); 1842 String address = entry.getDestination(); 1843 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1844 display = null; 1845 } 1846 String trimmedDisplayText; 1847 if (isPhoneQuery() && isPhoneNumber(address)) { 1848 trimmedDisplayText = address.trim(); 1849 } else { 1850 if (address != null) { 1851 // Tokenize out the address in case the address already 1852 // contained the username as well. 1853 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1854 if (tokenized != null && tokenized.length > 0) { 1855 address = tokenized[0].getAddress(); 1856 } 1857 } 1858 Rfc822Token token = new Rfc822Token(display, address, null); 1859 trimmedDisplayText = token.toString().trim(); 1860 } 1861 int index = trimmedDisplayText.indexOf(","); 1862 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1863 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1864 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1865 } 1866 1867 // Visible for testing. 1868 // Use this method to generate text to display in a chip. 1869 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1870 String display = entry.getDisplayName(); 1871 String address = entry.getDestination(); 1872 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1873 display = null; 1874 } 1875 if (!TextUtils.isEmpty(display)) { 1876 return display; 1877 } else if (!TextUtils.isEmpty(address)){ 1878 return address; 1879 } else { 1880 return new Rfc822Token(display, address, null).toString(); 1881 } 1882 } 1883 1884 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1885 final String displayText = createAddressText(entry); 1886 if (TextUtils.isEmpty(displayText)) { 1887 return null; 1888 } 1889 // Always leave a blank space at the end of a chip. 1890 final int textLength = displayText.length() - 1; 1891 final SpannableString chipText = new SpannableString(displayText); 1892 if (!mNoChips) { 1893 try { 1894 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1895 chipText.setSpan(chip, 0, textLength, 1896 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1897 chip.setOriginalText(chipText.toString()); 1898 } catch (NullPointerException e) { 1899 Log.e(TAG, e.getMessage(), e); 1900 return null; 1901 } 1902 } 1903 onChipCreated(entry); 1904 return chipText; 1905 } 1906 1907 /** 1908 * A callback for subclasses to use to know when a chip was created with the 1909 * given RecipientEntry. 1910 */ 1911 protected void onChipCreated(RecipientEntry entry) {} 1912 1913 /** 1914 * When an item in the suggestions list has been clicked, create a chip from the 1915 * contact information of the selected item. 1916 */ 1917 @Override 1918 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1919 if (position < 0) { 1920 return; 1921 } 1922 1923 final int charactersTyped = submitItemAtPosition(position); 1924 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1925 mRecipientEntryItemClickedListener 1926 .onRecipientEntryItemClicked(charactersTyped, position); 1927 } 1928 } 1929 1930 private int submitItemAtPosition(int position) { 1931 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1932 if (entry == null) { 1933 return -1; 1934 } 1935 clearComposingText(); 1936 1937 int end = getSelectionEnd(); 1938 int start = mTokenizer.findTokenStart(getText(), end); 1939 1940 Editable editable = getText(); 1941 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1942 CharSequence chip = createChip(entry, false); 1943 if (chip != null && start >= 0 && end >= 0) { 1944 editable.replace(start, end, chip); 1945 } 1946 sanitizeBetween(); 1947 1948 return end - start; 1949 } 1950 1951 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1952 if (item == null) { 1953 return null; 1954 } 1955 final RecipientEntry entry; 1956 // If the display name and the address are the same, or if this is a 1957 // valid contact, but the destination is invalid, then make this a fake 1958 // recipient that is editable. 1959 String destination = item.getDestination(); 1960 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1961 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1962 destination, item.isValid()); 1963 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1964 && (TextUtils.isEmpty(item.getDisplayName()) 1965 || TextUtils.equals(item.getDisplayName(), destination) 1966 || (mValidator != null && !mValidator.isValid(destination)))) { 1967 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1968 } else { 1969 entry = item; 1970 } 1971 return entry; 1972 } 1973 1974 // Visible for testing. 1975 /* package */DrawableRecipientChip[] getSortedRecipients() { 1976 DrawableRecipientChip[] recips = getSpannable() 1977 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1978 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1979 Arrays.asList(recips)); 1980 final Spannable spannable = getSpannable(); 1981 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1982 1983 @Override 1984 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1985 int firstStart = spannable.getSpanStart(first); 1986 int secondStart = spannable.getSpanStart(second); 1987 if (firstStart < secondStart) { 1988 return -1; 1989 } else if (firstStart > secondStart) { 1990 return 1; 1991 } else { 1992 return 0; 1993 } 1994 } 1995 }); 1996 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1997 } 1998 1999 @Override 2000 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 2001 return false; 2002 } 2003 2004 @Override 2005 public void onDestroyActionMode(ActionMode mode) { 2006 } 2007 2008 @Override 2009 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2010 return false; 2011 } 2012 2013 /** 2014 * No chips are selectable. 2015 */ 2016 @Override 2017 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2018 return false; 2019 } 2020 2021 // Visible for testing. 2022 /* package */ReplacementDrawableSpan getMoreChip() { 2023 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2024 MoreImageSpan.class); 2025 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2026 } 2027 2028 private MoreImageSpan createMoreSpan(int count) { 2029 String moreText = String.format(mMoreItem.getText().toString(), count); 2030 mWorkPaint.set(getPaint()); 2031 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 2032 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 2033 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2034 + mMoreItem.getPaddingRight(); 2035 final int height = (int) mChipHeight; 2036 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2037 Canvas canvas = new Canvas(drawable); 2038 int adjustedHeight = height; 2039 Layout layout = getLayout(); 2040 if (layout != null) { 2041 adjustedHeight -= layout.getLineDescent(0); 2042 } 2043 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 2044 2045 Drawable result = new BitmapDrawable(getResources(), drawable); 2046 result.setBounds(0, 0, width, height); 2047 return new MoreImageSpan(result); 2048 } 2049 2050 // Visible for testing. 2051 /*package*/ void createMoreChipPlainText() { 2052 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2053 Editable text = getText(); 2054 int start = 0; 2055 int end = start; 2056 for (int i = 0; i < CHIP_LIMIT; i++) { 2057 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2058 start = end; // move to the next token and get its end. 2059 } 2060 // Now, count total addresses. 2061 start = 0; 2062 int tokenCount = countTokens(text); 2063 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2064 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2065 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2066 text.replace(end, text.length(), chipText); 2067 mMoreChip = moreSpan; 2068 } 2069 2070 // Visible for testing. 2071 /* package */int countTokens(Editable text) { 2072 int tokenCount = 0; 2073 int start = 0; 2074 while (start < text.length()) { 2075 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2076 tokenCount++; 2077 if (start >= text.length()) { 2078 break; 2079 } 2080 } 2081 return tokenCount; 2082 } 2083 2084 /** 2085 * Create the more chip. The more chip is text that replaces any chips that 2086 * do not fit in the pre-defined available space when the 2087 * RecipientEditTextView loses focus. 2088 */ 2089 // Visible for testing. 2090 /* package */ void createMoreChip() { 2091 if (mNoChips) { 2092 createMoreChipPlainText(); 2093 return; 2094 } 2095 2096 if (!mShouldShrink) { 2097 return; 2098 } 2099 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2100 MoreImageSpan.class); 2101 if (tempMore.length > 0) { 2102 getSpannable().removeSpan(tempMore[0]); 2103 } 2104 DrawableRecipientChip[] recipients = getSortedRecipients(); 2105 2106 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2107 mMoreChip = null; 2108 return; 2109 } 2110 Spannable spannable = getSpannable(); 2111 int numRecipients = recipients.length; 2112 int overage = numRecipients - CHIP_LIMIT; 2113 MoreImageSpan moreSpan = createMoreSpan(overage); 2114 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2115 int totalReplaceStart = 0; 2116 int totalReplaceEnd = 0; 2117 Editable text = getText(); 2118 for (int i = numRecipients - overage; i < recipients.length; i++) { 2119 mRemovedSpans.add(recipients[i]); 2120 if (i == numRecipients - overage) { 2121 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2122 } 2123 if (i == recipients.length - 1) { 2124 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2125 } 2126 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2127 int spanStart = spannable.getSpanStart(recipients[i]); 2128 int spanEnd = spannable.getSpanEnd(recipients[i]); 2129 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2130 } 2131 spannable.removeSpan(recipients[i]); 2132 } 2133 if (totalReplaceEnd < text.length()) { 2134 totalReplaceEnd = text.length(); 2135 } 2136 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2137 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2138 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2139 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2140 text.replace(start, end, chipText); 2141 mMoreChip = moreSpan; 2142 // If adding the +more chip goes over the limit, resize accordingly. 2143 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2144 setMaxLines(getLineCount()); 2145 } 2146 } 2147 2148 /** 2149 * Replace the more chip, if it exists, with all of the recipient chips it had 2150 * replaced when the RecipientEditTextView gains focus. 2151 */ 2152 // Visible for testing. 2153 /*package*/ void removeMoreChip() { 2154 if (mMoreChip != null) { 2155 Spannable span = getSpannable(); 2156 span.removeSpan(mMoreChip); 2157 mMoreChip = null; 2158 // Re-add the spans that were removed. 2159 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2160 // Recreate each removed span. 2161 DrawableRecipientChip[] recipients = getSortedRecipients(); 2162 // Start the search for tokens after the last currently visible 2163 // chip. 2164 if (recipients == null || recipients.length == 0) { 2165 return; 2166 } 2167 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2168 Editable editable = getText(); 2169 for (DrawableRecipientChip chip : mRemovedSpans) { 2170 int chipStart; 2171 int chipEnd; 2172 String token; 2173 // Need to find the location of the chip, again. 2174 token = (String) chip.getOriginalText(); 2175 // As we find the matching recipient for the remove spans, 2176 // reduce the size of the string we need to search. 2177 // That way, if there are duplicates, we always find the correct 2178 // recipient. 2179 chipStart = editable.toString().indexOf(token, end); 2180 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2181 // Only set the span if we found a matching token. 2182 if (chipStart != -1) { 2183 editable.setSpan(chip, chipStart, chipEnd, 2184 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2185 } 2186 } 2187 mRemovedSpans.clear(); 2188 } 2189 } 2190 } 2191 2192 /** 2193 * Show specified chip as selected. If the RecipientChip is just an email address, 2194 * selecting the chip will take the contents of the chip and place it at 2195 * the end of the RecipientEditTextView for inline editing. If the 2196 * RecipientChip is a complete contact, then selecting the chip 2197 * will change the background color of the chip, show the delete icon, 2198 * and a popup window with the address in use highlighted and any other 2199 * alternate addresses for the contact. 2200 * @param currentChip Chip to select. 2201 * @return A RecipientChip in the selected state or null if the chip 2202 * just contained an email address. 2203 */ 2204 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2205 if (shouldShowEditableText(currentChip)) { 2206 CharSequence text = currentChip.getValue(); 2207 Editable editable = getText(); 2208 Spannable spannable = getSpannable(); 2209 int spanStart = spannable.getSpanStart(currentChip); 2210 int spanEnd = spannable.getSpanEnd(currentChip); 2211 spannable.removeSpan(currentChip); 2212 // Don't need leading space if it's the only chip 2213 if (spanEnd - spanStart == editable.length() - 1) { 2214 spanEnd++; 2215 } 2216 editable.delete(spanStart, spanEnd); 2217 setCursorVisible(true); 2218 setSelection(editable.length()); 2219 editable.append(text); 2220 return constructChipSpan( 2221 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2222 true); 2223 } else { 2224 int start = getChipStart(currentChip); 2225 int end = getChipEnd(currentChip); 2226 getSpannable().removeSpan(currentChip); 2227 DrawableRecipientChip newChip; 2228 final boolean showAddress = 2229 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2230 getAdapter().forceShowAddress(); 2231 try { 2232 if (showAddress && mNoChips) { 2233 return null; 2234 } 2235 newChip = constructChipSpan(currentChip.getEntry(), true); 2236 } catch (NullPointerException e) { 2237 Log.e(TAG, e.getMessage(), e); 2238 return null; 2239 } 2240 Editable editable = getText(); 2241 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2242 if (start == -1 || end == -1) { 2243 Log.d(TAG, "The chip being selected no longer exists but should."); 2244 } else { 2245 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2246 } 2247 newChip.setSelected(true); 2248 if (shouldShowEditableText(newChip)) { 2249 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2250 } 2251 if (showAddress) { 2252 showAddress(newChip, mAddressPopup); 2253 } else { 2254 showAlternates(newChip, mAlternatesPopup); 2255 } 2256 setCursorVisible(false); 2257 return newChip; 2258 } 2259 } 2260 2261 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2262 long contactId = currentChip.getContactId(); 2263 return contactId == RecipientEntry.INVALID_CONTACT 2264 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2265 } 2266 2267 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2268 if (!mAttachedToWindow) { 2269 return; 2270 } 2271 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2272 int bottomOffset = calculateOffsetFromBottomToTop(line); 2273 // Align the alternates popup with the left side of the View, 2274 // regardless of the position of the chip tapped. 2275 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2276 popup.setVerticalOffset(bottomOffset); 2277 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2278 popup.setOnItemClickListener(new OnItemClickListener() { 2279 @Override 2280 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2281 unselectChip(currentChip); 2282 } 2283 }); 2284 popup.show(); 2285 ListView listView = popup.getListView(); 2286 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2287 listView.setItemChecked(0, true); 2288 } 2289 2290 /** 2291 * Remove selection from this chip. Unselecting a RecipientChip will render 2292 * the chip without a delete icon and with an unfocused background. This is 2293 * called when the RecipientChip no longer has focus. 2294 */ 2295 private void unselectChip(DrawableRecipientChip chip) { 2296 int start = getChipStart(chip); 2297 int end = getChipEnd(chip); 2298 Editable editable = getText(); 2299 mSelectedChip = null; 2300 if (start == -1 || end == -1) { 2301 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2302 setSelection(editable.length()); 2303 commitDefault(); 2304 } else { 2305 getSpannable().removeSpan(chip); 2306 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2307 editable.removeSpan(chip); 2308 try { 2309 if (!mNoChips) { 2310 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2311 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2312 } 2313 } catch (NullPointerException e) { 2314 Log.e(TAG, e.getMessage(), e); 2315 } 2316 } 2317 setCursorVisible(true); 2318 setSelection(editable.length()); 2319 dismissPopups(); 2320 } 2321 2322 @Override 2323 public void onChipDelete() { 2324 if (mSelectedChip != null) { 2325 removeChip(mSelectedChip); 2326 } 2327 dismissPopups(); 2328 } 2329 2330 private void dismissPopups() { 2331 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2332 mAlternatesPopup.dismiss(); 2333 } 2334 if (mAddressPopup != null && mAddressPopup.isShowing()) { 2335 mAddressPopup.dismiss(); 2336 } 2337 } 2338 2339 /** 2340 * Remove the chip and any text associated with it from the RecipientEditTextView. 2341 */ 2342 // Visible for testing. 2343 /* package */void removeChip(DrawableRecipientChip chip) { 2344 Spannable spannable = getSpannable(); 2345 int spanStart = spannable.getSpanStart(chip); 2346 int spanEnd = spannable.getSpanEnd(chip); 2347 Editable text = getText(); 2348 int toDelete = spanEnd; 2349 boolean wasSelected = chip == mSelectedChip; 2350 // Clear that there is a selected chip before updating any text. 2351 if (wasSelected) { 2352 mSelectedChip = null; 2353 } 2354 // Always remove trailing spaces when removing a chip. 2355 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2356 toDelete++; 2357 } 2358 spannable.removeSpan(chip); 2359 if (spanStart >= 0 && toDelete > 0) { 2360 text.delete(spanStart, toDelete); 2361 } 2362 if (wasSelected) { 2363 clearSelectedChip(); 2364 } 2365 } 2366 2367 /** 2368 * Replace this currently selected chip with a new chip 2369 * that uses the contact data provided. 2370 */ 2371 // Visible for testing. 2372 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2373 boolean wasSelected = chip == mSelectedChip; 2374 if (wasSelected) { 2375 mSelectedChip = null; 2376 } 2377 int start = getChipStart(chip); 2378 int end = getChipEnd(chip); 2379 getSpannable().removeSpan(chip); 2380 Editable editable = getText(); 2381 CharSequence chipText = createChip(entry, false); 2382 if (chipText != null) { 2383 if (start == -1 || end == -1) { 2384 Log.e(TAG, "The chip to replace does not exist but should."); 2385 editable.insert(0, chipText); 2386 } else { 2387 if (!TextUtils.isEmpty(chipText)) { 2388 // There may be a space to replace with this chip's new 2389 // associated space. Check for it 2390 int toReplace = end; 2391 while (toReplace >= 0 && toReplace < editable.length() 2392 && editable.charAt(toReplace) == ' ') { 2393 toReplace++; 2394 } 2395 editable.replace(start, toReplace, chipText); 2396 } 2397 } 2398 } 2399 setCursorVisible(true); 2400 if (wasSelected) { 2401 clearSelectedChip(); 2402 } 2403 } 2404 2405 /** 2406 * Handle click events for a chip. When a selected chip receives a click 2407 * event, see if that event was in the delete icon. If so, delete it. 2408 * Otherwise, unselect the chip. 2409 */ 2410 public void onClick(DrawableRecipientChip chip) { 2411 if (chip.isSelected()) { 2412 clearSelectedChip(); 2413 } 2414 } 2415 2416 private boolean chipsPending() { 2417 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2418 } 2419 2420 @Override 2421 public void removeTextChangedListener(TextWatcher watcher) { 2422 mTextWatcher = null; 2423 super.removeTextChangedListener(watcher); 2424 } 2425 2426 private boolean isValidEmailAddress(String input) { 2427 return !TextUtils.isEmpty(input) && mValidator != null && 2428 mValidator.isValid(input); 2429 } 2430 2431 private class RecipientTextWatcher implements TextWatcher { 2432 2433 @Override 2434 public void afterTextChanged(Editable s) { 2435 // If the text has been set to null or empty, make sure we remove 2436 // all the spans we applied. 2437 if (TextUtils.isEmpty(s)) { 2438 // Remove all the chips spans. 2439 Spannable spannable = getSpannable(); 2440 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2441 DrawableRecipientChip.class); 2442 for (DrawableRecipientChip chip : chips) { 2443 spannable.removeSpan(chip); 2444 } 2445 if (mMoreChip != null) { 2446 spannable.removeSpan(mMoreChip); 2447 } 2448 clearSelectedChip(); 2449 return; 2450 } 2451 // Get whether there are any recipients pending addition to the 2452 // view. If there are, don't do anything in the text watcher. 2453 if (chipsPending()) { 2454 return; 2455 } 2456 // If the user is editing a chip, don't clear it. 2457 if (mSelectedChip != null) { 2458 if (!isGeneratedContact(mSelectedChip)) { 2459 setCursorVisible(true); 2460 setSelection(getText().length()); 2461 clearSelectedChip(); 2462 } else { 2463 return; 2464 } 2465 } 2466 int length = s.length(); 2467 // Make sure there is content there to parse and that it is 2468 // not just the commit character. 2469 if (length > 1) { 2470 if (lastCharacterIsCommitCharacter(s)) { 2471 commitByCharacter(); 2472 return; 2473 } 2474 char last; 2475 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2476 int len = length() - 1; 2477 if (end != len) { 2478 last = s.charAt(end); 2479 } else { 2480 last = s.charAt(len); 2481 } 2482 if (last == COMMIT_CHAR_SPACE) { 2483 if (!isPhoneQuery()) { 2484 // Check if this is a valid email address. If it is, 2485 // commit it. 2486 String text = getText().toString(); 2487 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2488 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2489 tokenStart)); 2490 if (isValidEmailAddress(sub)) { 2491 commitByCharacter(); 2492 } 2493 } 2494 } 2495 } 2496 } 2497 2498 @Override 2499 public void onTextChanged(CharSequence s, int start, int before, int count) { 2500 // The user deleted some text OR some text was replaced; check to 2501 // see if the insertion point is on a space 2502 // following a chip. 2503 if (before - count == 1) { 2504 // If the item deleted is a space, and the thing before the 2505 // space is a chip, delete the entire span. 2506 int selStart = getSelectionStart(); 2507 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2508 DrawableRecipientChip.class); 2509 if (repl.length > 0) { 2510 // There is a chip there! Just remove it. 2511 Editable editable = getText(); 2512 // Add the separator token. 2513 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2514 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2515 tokenEnd = tokenEnd + 1; 2516 if (tokenEnd > editable.length()) { 2517 tokenEnd = editable.length(); 2518 } 2519 editable.delete(tokenStart, tokenEnd); 2520 getSpannable().removeSpan(repl[0]); 2521 } 2522 } else if (count > before) { 2523 if (mSelectedChip != null 2524 && isGeneratedContact(mSelectedChip)) { 2525 if (lastCharacterIsCommitCharacter(s)) { 2526 commitByCharacter(); 2527 return; 2528 } 2529 } 2530 } 2531 } 2532 2533 @Override 2534 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2535 // Do nothing. 2536 } 2537 } 2538 2539 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2540 char last; 2541 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2542 int len = length() - 1; 2543 if (end != len) { 2544 last = s.charAt(end); 2545 } else { 2546 last = s.charAt(len); 2547 } 2548 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2549 } 2550 2551 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2552 long contactId = chip.getContactId(); 2553 return contactId == RecipientEntry.INVALID_CONTACT 2554 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2555 } 2556 2557 /** 2558 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2559 */ 2560 // Visible for testing. 2561 void handlePasteClip(ClipData clip) { 2562 if (clip == null) { 2563 // Do nothing. 2564 return; 2565 } 2566 2567 final ClipDescription clipDesc = clip.getDescription(); 2568 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2569 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2570 if (!containsSupportedType) { 2571 return; 2572 } 2573 2574 removeTextChangedListener(mTextWatcher); 2575 2576 final ClipDescription clipDescription = clip.getDescription(); 2577 for (int i = 0; i < clip.getItemCount(); i++) { 2578 final String mimeType = clipDescription.getMimeType(i); 2579 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2580 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2581 if (!supportedType) { 2582 // Only plain text and html can be pasted. 2583 continue; 2584 } 2585 2586 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2587 if (!TextUtils.isEmpty(pastedItem)) { 2588 final Editable editable = getText(); 2589 final int start = getSelectionStart(); 2590 final int end = getSelectionEnd(); 2591 if (start < 0 || end < 1) { 2592 // No selection. 2593 editable.append(pastedItem); 2594 } else if (start == end) { 2595 // Insert at position. 2596 editable.insert(start, pastedItem); 2597 } else { 2598 editable.append(pastedItem, start, end); 2599 } 2600 handlePasteAndReplace(); 2601 } 2602 } 2603 2604 mHandler.post(mAddTextWatcher); 2605 } 2606 2607 @Override 2608 public boolean onTextContextMenuItem(int id) { 2609 if (id == android.R.id.paste) { 2610 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2611 Context.CLIPBOARD_SERVICE); 2612 handlePasteClip(clipboard.getPrimaryClip()); 2613 return true; 2614 } 2615 return super.onTextContextMenuItem(id); 2616 } 2617 2618 private void handlePasteAndReplace() { 2619 ArrayList<DrawableRecipientChip> created = handlePaste(); 2620 if (created != null && created.size() > 0) { 2621 // Perform reverse lookups on the pasted contacts. 2622 IndividualReplacementTask replace = new IndividualReplacementTask(); 2623 replace.execute(created); 2624 } 2625 } 2626 2627 // Visible for testing. 2628 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2629 String text = getText().toString(); 2630 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2631 String lastAddress = text.substring(originalTokenStart); 2632 int tokenStart = originalTokenStart; 2633 int prevTokenStart = 0; 2634 DrawableRecipientChip findChip = null; 2635 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2636 if (tokenStart != 0) { 2637 // There are things before this! 2638 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2639 prevTokenStart = tokenStart; 2640 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2641 findChip = findChip(tokenStart); 2642 if (tokenStart == originalTokenStart && findChip == null) { 2643 break; 2644 } 2645 } 2646 if (tokenStart != originalTokenStart) { 2647 if (findChip != null) { 2648 tokenStart = prevTokenStart; 2649 } 2650 int tokenEnd; 2651 DrawableRecipientChip createdChip; 2652 while (tokenStart < originalTokenStart) { 2653 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2654 tokenStart)); 2655 commitChip(tokenStart, tokenEnd, getText()); 2656 createdChip = findChip(tokenStart); 2657 if (createdChip == null) { 2658 break; 2659 } 2660 // +1 for the space at the end. 2661 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2662 created.add(createdChip); 2663 } 2664 } 2665 } 2666 // Take a look at the last token. If the token has been completed with a 2667 // commit character, create a chip. 2668 if (isCompletedToken(lastAddress)) { 2669 Editable editable = getText(); 2670 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2671 commitChip(tokenStart, editable.length(), editable); 2672 created.add(findChip(tokenStart)); 2673 } 2674 return created; 2675 } 2676 2677 // Visible for testing. 2678 /* package */int movePastTerminators(int tokenEnd) { 2679 if (tokenEnd >= length()) { 2680 return tokenEnd; 2681 } 2682 char atEnd = getText().toString().charAt(tokenEnd); 2683 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2684 tokenEnd++; 2685 } 2686 // This token had not only an end token character, but also a space 2687 // separating it from the next token. 2688 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2689 tokenEnd++; 2690 } 2691 return tokenEnd; 2692 } 2693 2694 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2695 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2696 try { 2697 if (mNoChips) { 2698 return null; 2699 } 2700 return constructChipSpan(entry, false); 2701 } catch (NullPointerException e) { 2702 Log.e(TAG, e.getMessage(), e); 2703 return null; 2704 } 2705 } 2706 2707 @Override 2708 protected void onPreExecute() { 2709 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2710 // replaced 2711 final List<DrawableRecipientChip> originalRecipients = 2712 new ArrayList<DrawableRecipientChip>(); 2713 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2714 for (int i = 0; i < existingChips.length; i++) { 2715 originalRecipients.add(existingChips[i]); 2716 } 2717 if (mRemovedSpans != null) { 2718 originalRecipients.addAll(mRemovedSpans); 2719 } 2720 2721 final List<DrawableRecipientChip> replacements = 2722 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2723 2724 for (final DrawableRecipientChip chip : originalRecipients) { 2725 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2726 && getSpannable().getSpanStart(chip) != -1) { 2727 replacements.add(createFreeChip(chip.getEntry())); 2728 } else { 2729 replacements.add(null); 2730 } 2731 } 2732 2733 processReplacements(originalRecipients, replacements); 2734 } 2735 2736 @Override 2737 protected Void doInBackground(Void... params) { 2738 if (mIndividualReplacements != null) { 2739 mIndividualReplacements.cancel(true); 2740 } 2741 // For each chip in the list, look up the matching contact. 2742 // If there is a match, replace that chip with the matching 2743 // chip. 2744 final ArrayList<DrawableRecipientChip> recipients = 2745 new ArrayList<DrawableRecipientChip>(); 2746 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2747 for (int i = 0; i < existingChips.length; i++) { 2748 recipients.add(existingChips[i]); 2749 } 2750 if (mRemovedSpans != null) { 2751 recipients.addAll(mRemovedSpans); 2752 } 2753 ArrayList<String> addresses = new ArrayList<String>(); 2754 DrawableRecipientChip chip; 2755 for (int i = 0; i < recipients.size(); i++) { 2756 chip = recipients.get(i); 2757 if (chip != null) { 2758 addresses.add(createAddressText(chip.getEntry())); 2759 } 2760 } 2761 final BaseRecipientAdapter adapter = getAdapter(); 2762 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2763 @Override 2764 public void matchesFound(Map<String, RecipientEntry> entries) { 2765 final ArrayList<DrawableRecipientChip> replacements = 2766 new ArrayList<DrawableRecipientChip>(); 2767 for (final DrawableRecipientChip temp : recipients) { 2768 RecipientEntry entry = null; 2769 if (temp != null && RecipientEntry.isCreatedRecipient( 2770 temp.getEntry().getContactId()) 2771 && getSpannable().getSpanStart(temp) != -1) { 2772 // Replace this. 2773 entry = createValidatedEntry( 2774 entries.get(tokenizeAddress(temp.getEntry() 2775 .getDestination()))); 2776 } 2777 if (entry != null) { 2778 replacements.add(createFreeChip(entry)); 2779 } else { 2780 replacements.add(null); 2781 } 2782 } 2783 processReplacements(recipients, replacements); 2784 } 2785 2786 @Override 2787 public void matchesNotFound(final Set<String> unfoundAddresses) { 2788 final List<DrawableRecipientChip> replacements = 2789 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2790 2791 for (final DrawableRecipientChip temp : recipients) { 2792 if (temp != null && RecipientEntry.isCreatedRecipient( 2793 temp.getEntry().getContactId()) 2794 && getSpannable().getSpanStart(temp) != -1) { 2795 if (unfoundAddresses.contains( 2796 temp.getEntry().getDestination())) { 2797 replacements.add(createFreeChip(temp.getEntry())); 2798 } else { 2799 replacements.add(null); 2800 } 2801 } else { 2802 replacements.add(null); 2803 } 2804 } 2805 2806 processReplacements(recipients, replacements); 2807 } 2808 }); 2809 return null; 2810 } 2811 2812 private void processReplacements(final List<DrawableRecipientChip> recipients, 2813 final List<DrawableRecipientChip> replacements) { 2814 if (replacements != null && replacements.size() > 0) { 2815 final Runnable runnable = new Runnable() { 2816 @Override 2817 public void run() { 2818 final Editable text = new SpannableStringBuilder(getText()); 2819 int i = 0; 2820 for (final DrawableRecipientChip chip : recipients) { 2821 final DrawableRecipientChip replacement = replacements.get(i); 2822 if (replacement != null) { 2823 final RecipientEntry oldEntry = chip.getEntry(); 2824 final RecipientEntry newEntry = replacement.getEntry(); 2825 final boolean isBetter = 2826 RecipientAlternatesAdapter.getBetterRecipient( 2827 oldEntry, newEntry) == newEntry; 2828 2829 if (isBetter) { 2830 // Find the location of the chip in the text currently shown. 2831 final int start = text.getSpanStart(chip); 2832 if (start != -1) { 2833 // Replacing the entirety of what the chip represented, 2834 // including the extra space dividing it from other chips. 2835 final int end = 2836 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2837 text.removeSpan(chip); 2838 // Make sure we always have just 1 space at the end to 2839 // separate this chip from the next chip. 2840 final SpannableString displayText = 2841 new SpannableString(createAddressText( 2842 replacement.getEntry()).trim() + " "); 2843 displayText.setSpan(replacement, 0, 2844 displayText.length() - 1, 2845 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2846 // Replace the old text we found with with the new display 2847 // text, which now may also contain the display name of the 2848 // recipient. 2849 text.replace(start, end, displayText); 2850 replacement.setOriginalText(displayText.toString()); 2851 replacements.set(i, null); 2852 2853 recipients.set(i, replacement); 2854 } 2855 } 2856 } 2857 i++; 2858 } 2859 setText(text); 2860 } 2861 }; 2862 2863 if (Looper.myLooper() == Looper.getMainLooper()) { 2864 runnable.run(); 2865 } else { 2866 mHandler.post(runnable); 2867 } 2868 } 2869 } 2870 } 2871 2872 private class IndividualReplacementTask 2873 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2874 @Override 2875 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2876 // For each chip in the list, look up the matching contact. 2877 // If there is a match, replace that chip with the matching 2878 // chip. 2879 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2880 ArrayList<String> addresses = new ArrayList<String>(); 2881 DrawableRecipientChip chip; 2882 for (int i = 0; i < originalRecipients.size(); i++) { 2883 chip = originalRecipients.get(i); 2884 if (chip != null) { 2885 addresses.add(createAddressText(chip.getEntry())); 2886 } 2887 } 2888 final BaseRecipientAdapter adapter = getAdapter(); 2889 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2890 2891 @Override 2892 public void matchesFound(Map<String, RecipientEntry> entries) { 2893 for (final DrawableRecipientChip temp : originalRecipients) { 2894 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2895 .getContactId()) 2896 && getSpannable().getSpanStart(temp) != -1) { 2897 // Replace this. 2898 final RecipientEntry entry = createValidatedEntry(entries 2899 .get(tokenizeAddress(temp.getEntry().getDestination()) 2900 .toLowerCase())); 2901 if (entry != null) { 2902 mHandler.post(new Runnable() { 2903 @Override 2904 public void run() { 2905 replaceChip(temp, entry); 2906 } 2907 }); 2908 } 2909 } 2910 } 2911 } 2912 2913 @Override 2914 public void matchesNotFound(final Set<String> unfoundAddresses) { 2915 // No action required 2916 } 2917 }); 2918 return null; 2919 } 2920 } 2921 2922 2923 /** 2924 * MoreImageSpan is a simple class created for tracking the existence of a 2925 * more chip across activity restarts/ 2926 */ 2927 private class MoreImageSpan extends ReplacementDrawableSpan { 2928 public MoreImageSpan(Drawable b) { 2929 super(b); 2930 setExtraMargin(mLineSpacingExtra); 2931 } 2932 } 2933 2934 @Override 2935 public boolean onDown(MotionEvent e) { 2936 return false; 2937 } 2938 2939 @Override 2940 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2941 // Do nothing. 2942 return false; 2943 } 2944 2945 @Override 2946 public void onLongPress(MotionEvent event) { 2947 if (mSelectedChip != null) { 2948 return; 2949 } 2950 float x = event.getX(); 2951 float y = event.getY(); 2952 final int offset = putOffsetInRange(x, y); 2953 DrawableRecipientChip currentChip = findChip(offset); 2954 if (currentChip != null) { 2955 if (mDragEnabled) { 2956 // Start drag-and-drop for the selected chip. 2957 startDrag(currentChip); 2958 } else { 2959 // Copy the selected chip email address. 2960 showCopyDialog(currentChip.getEntry().getDestination()); 2961 } 2962 } 2963 } 2964 2965 // The following methods are used to provide some functionality on older versions of Android 2966 // These methods were copied out of JB MR2's TextView 2967 ///////////////////////////////////////////////// 2968 private int supportGetOffsetForPosition(float x, float y) { 2969 if (getLayout() == null) return -1; 2970 final int line = supportGetLineAtCoordinate(y); 2971 final int offset = supportGetOffsetAtCoordinate(line, x); 2972 return offset; 2973 } 2974 2975 private float supportConvertToLocalHorizontalCoordinate(float x) { 2976 x -= getTotalPaddingLeft(); 2977 // Clamp the position to inside of the view. 2978 x = Math.max(0.0f, x); 2979 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2980 x += getScrollX(); 2981 return x; 2982 } 2983 2984 private int supportGetLineAtCoordinate(float y) { 2985 y -= getTotalPaddingLeft(); 2986 // Clamp the position to inside of the view. 2987 y = Math.max(0.0f, y); 2988 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2989 y += getScrollY(); 2990 return getLayout().getLineForVertical((int) y); 2991 } 2992 2993 private int supportGetOffsetAtCoordinate(int line, float x) { 2994 x = supportConvertToLocalHorizontalCoordinate(x); 2995 return getLayout().getOffsetForHorizontal(line, x); 2996 } 2997 ///////////////////////////////////////////////// 2998 2999 /** 3000 * Enables drag-and-drop for chips. 3001 */ 3002 public void enableDrag() { 3003 mDragEnabled = true; 3004 } 3005 3006 /** 3007 * Starts drag-and-drop for the selected chip. 3008 */ 3009 private void startDrag(DrawableRecipientChip currentChip) { 3010 String address = currentChip.getEntry().getDestination(); 3011 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 3012 3013 // Start drag mode. 3014 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 3015 3016 // Remove the current chip, so drag-and-drop will result in a move. 3017 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3018 removeChip(currentChip); 3019 } 3020 3021 /** 3022 * Handles drag event. 3023 */ 3024 @Override 3025 public boolean onDragEvent(DragEvent event) { 3026 switch (event.getAction()) { 3027 case DragEvent.ACTION_DRAG_STARTED: 3028 // Only handle plain text drag and drop. 3029 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3030 case DragEvent.ACTION_DRAG_ENTERED: 3031 requestFocus(); 3032 return true; 3033 case DragEvent.ACTION_DROP: 3034 handlePasteClip(event.getClipData()); 3035 return true; 3036 } 3037 return false; 3038 } 3039 3040 /** 3041 * Drag shadow for a {@link DrawableRecipientChip}. 3042 */ 3043 private final class RecipientChipShadow extends DragShadowBuilder { 3044 private final DrawableRecipientChip mChip; 3045 3046 public RecipientChipShadow(DrawableRecipientChip chip) { 3047 mChip = chip; 3048 } 3049 3050 @Override 3051 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3052 Rect rect = mChip.getBounds(); 3053 shadowSize.set(rect.width(), rect.height()); 3054 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3055 } 3056 3057 @Override 3058 public void onDrawShadow(Canvas canvas) { 3059 mChip.draw(canvas); 3060 } 3061 } 3062 3063 private void showCopyDialog(final String address) { 3064 if (!mAttachedToWindow) { 3065 return; 3066 } 3067 mCopyAddress = address; 3068 mCopyDialog.setTitle(address); 3069 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3070 mCopyDialog.setCancelable(true); 3071 mCopyDialog.setCanceledOnTouchOutside(true); 3072 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3073 button.setOnClickListener(this); 3074 int btnTitleId; 3075 if (isPhoneQuery()) { 3076 btnTitleId = R.string.copy_number; 3077 } else { 3078 btnTitleId = R.string.copy_email; 3079 } 3080 String buttonTitle = getContext().getResources().getString(btnTitleId); 3081 button.setText(buttonTitle); 3082 mCopyDialog.setOnDismissListener(this); 3083 mCopyDialog.show(); 3084 } 3085 3086 @Override 3087 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3088 // Do nothing. 3089 return false; 3090 } 3091 3092 @Override 3093 public void onShowPress(MotionEvent e) { 3094 // Do nothing. 3095 } 3096 3097 @Override 3098 public boolean onSingleTapUp(MotionEvent e) { 3099 // Do nothing. 3100 return false; 3101 } 3102 3103 @Override 3104 public void onDismiss(DialogInterface dialog) { 3105 mCopyAddress = null; 3106 } 3107 3108 @Override 3109 public void onClick(View v) { 3110 // Copy this to the clipboard. 3111 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3112 Context.CLIPBOARD_SERVICE); 3113 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3114 mCopyDialog.dismiss(); 3115 } 3116 3117 protected boolean isPhoneQuery() { 3118 return getAdapter() != null 3119 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3120 } 3121 3122 @Override 3123 public BaseRecipientAdapter getAdapter() { 3124 return (BaseRecipientAdapter) super.getAdapter(); 3125 } 3126 3127 /** 3128 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3129 * unfinished text at the end. 3130 */ 3131 public void appendRecipientEntry(final RecipientEntry entry) { 3132 clearComposingText(); 3133 3134 final Editable editable = getText(); 3135 int chipInsertionPoint = 0; 3136 3137 // Find the end of last chip and see if there's any unchipified text. 3138 final DrawableRecipientChip[] recips = getSortedRecipients(); 3139 if (recips != null && recips.length > 0) { 3140 final DrawableRecipientChip last = recips[recips.length - 1]; 3141 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3142 // the insertion point will be kept untouched. 3143 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3144 } 3145 3146 final CharSequence chip = createChip(entry, false); 3147 if (chip != null) { 3148 editable.insert(chipInsertionPoint, chip); 3149 } 3150 } 3151 3152 /** 3153 * Remove all chips matching the given RecipientEntry. 3154 */ 3155 public void removeRecipientEntry(final RecipientEntry entry) { 3156 final DrawableRecipientChip[] recips = getText() 3157 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3158 3159 for (final DrawableRecipientChip recipient : recips) { 3160 final RecipientEntry existingEntry = recipient.getEntry(); 3161 if (existingEntry != null && existingEntry.isValid() && 3162 existingEntry.isSamePerson(entry)) { 3163 removeChip(recipient); 3164 } 3165 } 3166 } 3167 3168 public void setAlternatePopupAnchor(View v) { 3169 mAlternatePopupAnchor = v; 3170 } 3171 3172 private static class ChipBitmapContainer { 3173 Bitmap bitmap; 3174 // information used for positioning the loaded icon 3175 boolean loadIcon = true; 3176 float left; 3177 float top; 3178 float right; 3179 float bottom; 3180 } 3181} 3182