RecipientEditTextView.java revision 732fe3e7a78c23c17dab039b9b6540199a6352b7
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.ScrollView; 90import android.widget.TextView; 91 92import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 93import com.android.ex.chips.recipientchip.DrawableRecipientChip; 94import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 95import com.android.ex.chips.recipientchip.ReplacementDrawableSpan; 96import com.android.ex.chips.recipientchip.VisibleRecipientChip; 97 98import java.util.ArrayList; 99import java.util.Arrays; 100import java.util.Collections; 101import java.util.Comparator; 102import java.util.List; 103import java.util.Map; 104import java.util.Set; 105import java.util.regex.Matcher; 106import java.util.regex.Pattern; 107 108/** 109 * RecipientEditTextView is an auto complete text view for use with applications 110 * that use the new Chips UI for addressing a message to recipients. 111 */ 112public class RecipientEditTextView extends MultiAutoCompleteTextView implements 113 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 114 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 115 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 116 private static final String TAG = "RecipientEditTextView"; 117 118 private static final char COMMIT_CHAR_COMMA = ','; 119 private static final char COMMIT_CHAR_SEMICOLON = ';'; 120 private static final char COMMIT_CHAR_SPACE = ' '; 121 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 122 + String.valueOf(COMMIT_CHAR_SPACE); 123 124 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 125 // parens, so numbers such as "1 (425) 222-2342" match. 126 private static final Pattern PHONE_PATTERN 127 = Pattern.compile( // sdd = space, dot, or dash 128 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 129 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 130 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 131 132 private static final int DISMISS = "dismiss".hashCode(); 133 private static final long DISMISS_DELAY = 300; 134 135 // TODO: get correct number/ algorithm from with UX. 136 // Visible for testing. 137 /*package*/ static final int CHIP_LIMIT = 2; 138 139 private static final int MAX_CHIPS_PARSED = 50; 140 141 private static int sSelectedTextColor = -1; 142 143 // Work variables to avoid re-allocation on every typed character. 144 private final Rect mRect = new Rect(); 145 private final int[] mCoords = new int[2]; 146 147 // Resources for displaying chips. 148 private Drawable mChipBackground = null; 149 private Drawable mChipDelete = null; 150 private Drawable mInvalidChipBackground; 151 private Drawable mChipBackgroundPressed; 152 153 // Possible attr overrides 154 private float mChipHeight; 155 private float mChipFontSize; 156 private float mLineSpacingExtra; 157 private int mChipTextStartPadding; 158 private int mChipTextEndPadding; 159 private final int mTextHeight; 160 private boolean mDisableDelete; 161 private int mMaxLines; 162 163 /** 164 * Enumerator for avatar position. See attr.xml for more details. 165 * 0 for end, 1 for start. 166 */ 167 private int mAvatarPosition; 168 private static final int AVATAR_POSITION_END = 0; 169 private static final int AVATAR_POSITION_START = 1; 170 171 private Paint mWorkPaint = new Paint(); 172 173 private Tokenizer mTokenizer; 174 private Validator mValidator; 175 private Handler mHandler; 176 private TextWatcher mTextWatcher; 177 private DropdownChipLayouter mDropdownChipLayouter; 178 179 private View mDropdownAnchor = this; 180 private ListPopupWindow mAlternatesPopup; 181 private ListPopupWindow mAddressPopup; 182 private View mAlternatePopupAnchor; 183 private OnItemClickListener mAlternatesListener; 184 185 private DrawableRecipientChip mSelectedChip; 186 private Bitmap mDefaultContactPhoto; 187 private ReplacementDrawableSpan mMoreChip; 188 private TextView mMoreItem; 189 190 private boolean mIsAccessibilityOn; 191 private int mCurrentSuggestionCount; 192 193 // VisibleForTesting 194 final ArrayList<String> mPendingChips = new ArrayList<String>(); 195 196 private int mPendingChipsCount = 0; 197 private int mCheckedItem; 198 private boolean mNoChips = false; 199 private boolean mShouldShrink = true; 200 201 // VisibleForTesting 202 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 203 204 private ArrayList<DrawableRecipientChip> mRemovedSpans; 205 206 // Chip copy fields. 207 private GestureDetector mGestureDetector; 208 private Dialog mCopyDialog; 209 private String mCopyAddress; 210 211 // Obtain the enclosing scroll view, if it exists, so that the view can be 212 // scrolled to show the last line of chips content. 213 private ScrollView mScrollView; 214 private boolean mTriedGettingScrollView; 215 private boolean mDragEnabled = false; 216 217 private boolean mAttachedToWindow; 218 219 private final Runnable mAddTextWatcher = new Runnable() { 220 @Override 221 public void run() { 222 if (mTextWatcher == null) { 223 mTextWatcher = new RecipientTextWatcher(); 224 addTextChangedListener(mTextWatcher); 225 } 226 } 227 }; 228 229 private IndividualReplacementTask mIndividualReplacements; 230 231 private Runnable mHandlePendingChips = new Runnable() { 232 233 @Override 234 public void run() { 235 handlePendingChips(); 236 } 237 238 }; 239 240 private Runnable mDelayedShrink = new Runnable() { 241 242 @Override 243 public void run() { 244 shrink(); 245 } 246 247 }; 248 249 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 250 251 public interface RecipientEntryItemClickedListener { 252 /** 253 * Callback that occurs whenever an auto-complete suggestion is clicked. 254 * @param charactersTyped the number of characters typed by the user to provide the 255 * auto-complete suggestions. 256 * @param position the position in the dropdown list that the user clicked 257 */ 258 void onRecipientEntryItemClicked(int charactersTyped, int position); 259 } 260 261 public RecipientEditTextView(Context context, AttributeSet attrs) { 262 super(context, attrs); 263 setChipDimensions(context, attrs); 264 mTextHeight = calculateTextHeight(); 265 if (sSelectedTextColor == -1) { 266 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 267 } 268 mAlternatesPopup = new ListPopupWindow(context); 269 mAlternatesPopup.setBackgroundDrawable(null); 270 mAddressPopup = new ListPopupWindow(context); 271 mAddressPopup.setBackgroundDrawable(null); 272 mCopyDialog = new Dialog(context); 273 mAlternatesListener = new OnItemClickListener() { 274 @Override 275 public void onItemClick(AdapterView<?> adapterView,View view, int position, 276 long rowId) { 277 mAlternatesPopup.setOnItemClickListener(null); 278 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 279 .getRecipientEntry(position)); 280 Message delayed = Message.obtain(mHandler, DISMISS); 281 delayed.obj = mAlternatesPopup; 282 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 283 clearComposingText(); 284 } 285 }; 286 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 287 setOnItemClickListener(this); 288 setCustomSelectionActionModeCallback(this); 289 mHandler = new Handler() { 290 @Override 291 public void handleMessage(Message msg) { 292 if (msg.what == DISMISS) { 293 ((ListPopupWindow) msg.obj).dismiss(); 294 return; 295 } 296 super.handleMessage(msg); 297 } 298 }; 299 mTextWatcher = new RecipientTextWatcher(); 300 addTextChangedListener(mTextWatcher); 301 mGestureDetector = new GestureDetector(context, this); 302 setOnEditorActionListener(this); 303 304 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 305 } 306 307 @Override 308 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 309 super.onLayout(changed, left, top, right, bottom); 310 311 final AccessibilityManager accessibilityManager = 312 (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 313 mIsAccessibilityOn = accessibilityManager.isEnabled(); 314 } 315 316 private int calculateTextHeight() { 317 final TextPaint paint = getPaint(); 318 319 mRect.setEmpty(); 320 // First measure the bounds of a sample text. 321 final String textHeightSample = "a"; 322 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), mRect); 323 324 mRect.left = 0; 325 mRect.right = 0; 326 327 return mRect.height(); 328 } 329 330 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 331 mDropdownChipLayouter = dropdownChipLayouter; 332 mDropdownChipLayouter.setDeleteListener(this); 333 } 334 335 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 336 mRecipientEntryItemClickedListener = listener; 337 } 338 339 @Override 340 protected void onDetachedFromWindow() { 341 super.onDetachedFromWindow(); 342 mAttachedToWindow = false; 343 dismissPopups(); 344 } 345 346 @Override 347 protected void onAttachedToWindow() { 348 super.onAttachedToWindow(); 349 mAttachedToWindow = true; 350 351 final int anchorId = getDropDownAnchor(); 352 if (anchorId != View.NO_ID) { 353 mDropdownAnchor = getRootView().findViewById(anchorId); 354 } 355 } 356 357 @Override 358 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 359 if (action == EditorInfo.IME_ACTION_DONE) { 360 if (commitDefault()) { 361 return true; 362 } 363 if (mSelectedChip != null) { 364 clearSelectedChip(); 365 return true; 366 } else if (focusNext()) { 367 return true; 368 } 369 } 370 return false; 371 } 372 373 @Override 374 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 375 InputConnection connection = super.onCreateInputConnection(outAttrs); 376 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 377 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 378 // clear the existing action 379 outAttrs.imeOptions ^= imeActions; 380 // set the DONE action 381 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 382 } 383 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 384 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 385 } 386 387 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 388 389 // Custom action labels are discouraged in L; a checkmark icon is shown in place of the 390 // custom text in this case. 391 outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? null : 392 getContext().getString(R.string.action_label); 393 return connection; 394 } 395 396 /*package*/ DrawableRecipientChip getLastChip() { 397 DrawableRecipientChip last = null; 398 DrawableRecipientChip[] chips = getSortedRecipients(); 399 if (chips != null && chips.length > 0) { 400 last = chips[chips.length - 1]; 401 } 402 return last; 403 } 404 405 /** 406 * @return The list of {@link RecipientEntry}s that have been selected by the user. 407 */ 408 public List<RecipientEntry> getSelectedRecipients() { 409 DrawableRecipientChip[] chips = 410 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 411 List<RecipientEntry> results = new ArrayList(); 412 if (chips == null) { 413 return results; 414 } 415 416 for (DrawableRecipientChip c : chips) { 417 results.add(c.getEntry()); 418 } 419 420 return results; 421 } 422 423 @Override 424 public void onSelectionChanged(int start, int end) { 425 // When selection changes, see if it is inside the chips area. 426 // If so, move the cursor back after the chips again. 427 DrawableRecipientChip last = getLastChip(); 428 if (last != null && start < getSpannable().getSpanEnd(last)) { 429 // Grab the last chip and set the cursor to after it. 430 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 431 } 432 super.onSelectionChanged(start, end); 433 } 434 435 @Override 436 public void onRestoreInstanceState(Parcelable state) { 437 if (!TextUtils.isEmpty(getText())) { 438 super.onRestoreInstanceState(null); 439 } else { 440 super.onRestoreInstanceState(state); 441 } 442 } 443 444 @Override 445 public Parcelable onSaveInstanceState() { 446 // If the user changes orientation while they are editing, just roll back the selection. 447 clearSelectedChip(); 448 return super.onSaveInstanceState(); 449 } 450 451 /** 452 * Convenience method: Append the specified text slice to the TextView's 453 * display buffer, upgrading it to BufferType.EDITABLE if it was 454 * not already editable. Commas are excluded as they are added automatically 455 * by the view. 456 */ 457 @Override 458 public void append(CharSequence text, int start, int end) { 459 // We don't care about watching text changes while appending. 460 if (mTextWatcher != null) { 461 removeTextChangedListener(mTextWatcher); 462 } 463 super.append(text, start, end); 464 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 465 String displayString = text.toString(); 466 467 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 468 // We have no separator, so we should add it 469 super.append(SEPARATOR, 0, SEPARATOR.length()); 470 displayString += SEPARATOR; 471 } 472 473 if (!TextUtils.isEmpty(displayString) 474 && TextUtils.getTrimmedLength(displayString) > 0) { 475 mPendingChipsCount++; 476 mPendingChips.add(displayString); 477 } 478 } 479 // Put a message on the queue to make sure we ALWAYS handle pending 480 // chips. 481 if (mPendingChipsCount > 0) { 482 postHandlePendingChips(); 483 } 484 mHandler.post(mAddTextWatcher); 485 } 486 487 @Override 488 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 489 super.onFocusChanged(hasFocus, direction, previous); 490 if (!hasFocus) { 491 shrink(); 492 } else { 493 expand(); 494 } 495 } 496 497 @Override 498 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 499 super.setAdapter(adapter); 500 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 501 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 502 @Override 503 public void onChanged(List<RecipientEntry> entries) { 504 // Scroll the chips field to the top of the screen so 505 // that the user can see as many results as possible. 506 if (entries != null && entries.size() > 0) { 507 scrollBottomIntoView(); 508 // Here the current suggestion count is still the old one since we update 509 // the count at the bottom of this function. 510 if (mCurrentSuggestionCount == 0) { 511 // Announce the new number of possible choices for accessibility. 512 announceForAccessibilityCompat(getContext().getString( 513 R.string.accessbility_suggestion_dropdown_opened)); 514 } 515 } 516 517 // Set the dropdown height to be the remaining height from the anchor to the bottom. 518 mDropdownAnchor.getLocationInWindow(mCoords); 519 getWindowVisibleDisplayFrame(mRect); 520 setDropDownHeight(mRect.bottom - mCoords[1] - mDropdownAnchor.getHeight() - 521 getDropDownVerticalOffset()); 522 523 mCurrentSuggestionCount = entries == null ? 0 : entries.size(); 524 } 525 }); 526 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 527 } 528 529 private void announceForAccessibilityCompat(String text) { 530 if (mIsAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 531 final ViewParent parent = getParent(); 532 if (parent != null) { 533 AccessibilityEvent event = AccessibilityEvent.obtain( 534 AccessibilityEvent.TYPE_ANNOUNCEMENT); 535 onInitializeAccessibilityEvent(event); 536 event.getText().add(text); 537 event.setContentDescription(null); 538 parent.requestSendAccessibilityEvent(this, event); 539 } 540 } 541 } 542 543 protected void scrollBottomIntoView() { 544 if (mScrollView != null && mShouldShrink) { 545 getLocationInWindow(mCoords); 546 // Desired position shows at least 1 line of chips below the action 547 // bar. We add excess padding to make sure this is always below other 548 // content. 549 final int height = getHeight(); 550 final int currentPos = mCoords[1] + height; 551 mScrollView.getLocationInWindow(mCoords); 552 final int desiredPos = mCoords[1] + height / getLineCount(); 553 if (currentPos > desiredPos) { 554 mScrollView.scrollBy(0, currentPos - desiredPos); 555 } 556 } 557 } 558 559 protected ScrollView getScrollView() { 560 return mScrollView; 561 } 562 563 @Override 564 public void performValidation() { 565 // Do nothing. Chips handles its own validation. 566 } 567 568 private void shrink() { 569 if (mTokenizer == null) { 570 return; 571 } 572 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 573 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 574 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 575 clearSelectedChip(); 576 } else { 577 if (getWidth() <= 0) { 578 // We don't have the width yet which means the view hasn't been drawn yet 579 // and there is no reason to attempt to commit chips yet. 580 // This focus lost must be the result of an orientation change 581 // or an initial rendering. 582 // Re-post the shrink for later. 583 mHandler.removeCallbacks(mDelayedShrink); 584 mHandler.post(mDelayedShrink); 585 return; 586 } 587 // Reset any pending chips as they would have been handled 588 // when the field lost focus. 589 if (mPendingChipsCount > 0) { 590 postHandlePendingChips(); 591 } else { 592 Editable editable = getText(); 593 int end = getSelectionEnd(); 594 int start = mTokenizer.findTokenStart(editable, end); 595 DrawableRecipientChip[] chips = 596 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 597 if ((chips == null || chips.length == 0)) { 598 Editable text = getText(); 599 int whatEnd = mTokenizer.findTokenEnd(text, start); 600 // This token was already tokenized, so skip past the ending token. 601 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 602 whatEnd = movePastTerminators(whatEnd); 603 } 604 // In the middle of chip; treat this as an edit 605 // and commit the whole token. 606 int selEnd = getSelectionEnd(); 607 if (whatEnd != selEnd) { 608 handleEdit(start, whatEnd); 609 } else { 610 commitChip(start, end, editable); 611 } 612 } 613 } 614 mHandler.post(mAddTextWatcher); 615 } 616 createMoreChip(); 617 } 618 619 private void expand() { 620 if (mShouldShrink) { 621 setMaxLines(Integer.MAX_VALUE); 622 } 623 removeMoreChip(); 624 setCursorVisible(true); 625 Editable text = getText(); 626 setSelection(text != null && text.length() > 0 ? text.length() : 0); 627 // If there are any temporary chips, try replacing them now that the user 628 // has expanded the field. 629 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 630 new RecipientReplacementTask().execute(); 631 mTemporaryRecipients = null; 632 } 633 } 634 635 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 636 paint.setTextSize(mChipFontSize); 637 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 638 Log.d(TAG, "Max width is negative: " + maxWidth); 639 } 640 return TextUtils.ellipsize(text, paint, maxWidth, 641 TextUtils.TruncateAt.END); 642 } 643 644 /** 645 * Creates a bitmap of the given contact on a selected chip. 646 * 647 * @param contact The recipient entry to pull data from. 648 * @param paint The paint to use to draw the bitmap. 649 */ 650 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 651 paint.setColor(sSelectedTextColor); 652 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 653 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 654 655 if (bitmapContainer.loadIcon) { 656 loadAvatarIcon(contact, bitmapContainer); 657 } 658 659 return bitmapContainer.bitmap; 660 } 661 662 /** 663 * Creates a bitmap of the given contact on a selected chip. 664 * 665 * @param contact The recipient entry to pull data from. 666 * @param paint The paint to use to draw the bitmap. 667 */ 668 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 669 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 670 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 671 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 672 673 if (bitmapContainer.loadIcon) { 674 loadAvatarIcon(contact, bitmapContainer); 675 } 676 return bitmapContainer.bitmap; 677 } 678 679 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 680 Drawable overrideBackgroundDrawable, int backgroundColor) { 681 final ChipBitmapContainer result = new ChipBitmapContainer(); 682 683 Rect backgroundPadding = new Rect(); 684 if (overrideBackgroundDrawable != null) { 685 overrideBackgroundDrawable.getPadding(backgroundPadding); 686 } 687 688 // Ellipsize the text so that it takes AT MOST the entire width of the 689 // autocomplete text entry area. Make sure to leave space for padding 690 // on the sides. 691 int height = (int) mChipHeight; 692 // Since the icon is a square, it's width is equal to the maximum height it can be inside 693 // the chip. Don't include iconWidth for invalid contacts. 694 int iconWidth = contact.isValid() ? 695 height - backgroundPadding.top - backgroundPadding.bottom : 0; 696 float[] widths = new float[1]; 697 paint.getTextWidths(" ", widths); 698 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 699 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 700 - backgroundPadding.right); 701 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 702 703 // Chip start padding is the same as the end padding if there is no contact image. 704 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 705 // Make sure there is a minimum chip width so the user can ALWAYS 706 // tap a chip without difficulty. 707 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 708 + iconWidth + backgroundPadding.left + backgroundPadding.right); 709 710 // Create the background of the chip. 711 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 712 final Canvas canvas = new Canvas(result.bitmap); 713 714 // Check if the background drawable is set via attr 715 if (overrideBackgroundDrawable != null) { 716 overrideBackgroundDrawable.setBounds(0, 0, width, height); 717 overrideBackgroundDrawable.draw(canvas); 718 } else { 719 // Draw the default chip background 720 mWorkPaint.reset(); 721 mWorkPaint.setColor(backgroundColor); 722 mWorkPaint.setAntiAlias(true); 723 final float radius = height / 2; 724 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 725 mWorkPaint); 726 } 727 728 // Draw the text vertically aligned 729 int textX = shouldPositionAvatarOnRight() ? 730 mChipTextEndPadding + backgroundPadding.left : 731 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 732 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 733 textX, getTextYOffset(height), paint); 734 735 // Set the variables that are needed to draw the icon bitmap once it's loaded 736 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 737 backgroundPadding.left; 738 result.left = iconX; 739 result.top = backgroundPadding.top; 740 result.right = iconX + iconWidth; 741 result.bottom = height - backgroundPadding.bottom; 742 743 return result; 744 } 745 746 /** 747 * Helper function that draws the loaded icon bitmap into the chips bitmap 748 */ 749 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 750 final Canvas canvas = new Canvas(bitMapResult.bitmap); 751 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 752 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 753 bitMapResult.bottom); 754 drawIconOnCanvas(icon, canvas, src, dst); 755 } 756 757 /** 758 * Returns true if the avatar should be positioned at the right edge of the chip. 759 * Takes into account both the set avatar position (start or end) as well as whether 760 * the layout direction is LTR or RTL. 761 */ 762 private boolean shouldPositionAvatarOnRight() { 763 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 764 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 765 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 766 // If in Rtl mode, the position should be flipped. 767 return isRtl ? !assignedPosition : assignedPosition; 768 } 769 770 /** 771 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 772 * draw an icon for this recipient. 773 */ 774 private void loadAvatarIcon(final RecipientEntry contact, 775 final ChipBitmapContainer bitmapContainer) { 776 // Don't draw photos for recipients that have been typed in OR generated on the fly. 777 long contactId = contact.getContactId(); 778 boolean drawPhotos = isPhoneQuery() ? 779 contactId != RecipientEntry.INVALID_CONTACT 780 : (contactId != RecipientEntry.INVALID_CONTACT 781 && contactId != RecipientEntry.GENERATED_CONTACT); 782 783 if (drawPhotos) { 784 final byte[] origPhotoBytes = contact.getPhotoBytes(); 785 // There may not be a photo yet if anything but the first contact address 786 // was selected. 787 if (origPhotoBytes == null) { 788 // TODO: cache this in the recipient entry? 789 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 790 @Override 791 public void onPhotoBytesPopulated() { 792 // Call through to the async version which will ensure 793 // proper threading. 794 onPhotoBytesAsynchronouslyPopulated(); 795 } 796 797 @Override 798 public void onPhotoBytesAsynchronouslyPopulated() { 799 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 800 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 801 loadedPhotoBytes.length); 802 tryDrawAndInvalidate(icon); 803 } 804 805 @Override 806 public void onPhotoBytesAsyncLoadFailed() { 807 // TODO: can the scaled down default photo be cached? 808 tryDrawAndInvalidate(mDefaultContactPhoto); 809 } 810 811 private void tryDrawAndInvalidate(Bitmap icon) { 812 drawIcon(bitmapContainer, icon); 813 // The caller might originated from a background task. However, if the 814 // background task has already completed, the view might be already drawn 815 // on the UI but the callback would happen on the background thread. 816 // So if we are on a background thread, post an invalidate call to the UI. 817 if (Looper.myLooper() == Looper.getMainLooper()) { 818 // The view might not redraw itself since it's loaded asynchronously 819 invalidate(); 820 } else { 821 post(new Runnable() { 822 @Override 823 public void run() { 824 invalidate(); 825 } 826 }); 827 } 828 } 829 }); 830 } else { 831 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 832 origPhotoBytes.length); 833 drawIcon(bitmapContainer, icon); 834 } 835 } 836 } 837 838 /** 839 * Get the background drawable for a RecipientChip. 840 */ 841 // Visible for testing. 842 /* package */Drawable getChipBackground(RecipientEntry contact) { 843 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 844 } 845 846 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 847 return getResources().getColor(contact.isValid() ? R.color.chip_background : 848 R.color.chip_background_invalid); 849 } 850 851 /** 852 * Given a height, returns a Y offset that will draw the text in the middle of the height. 853 */ 854 protected float getTextYOffset(int height) { 855 return height - ((height - mTextHeight) / 2); 856 } 857 858 /** 859 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 860 * rectangle of the canvas. 861 */ 862 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 863 final Matrix matrix = new Matrix(); 864 865 // Draw bitmap through shader first. 866 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 867 matrix.reset(); 868 869 // Fit bitmap to bounds. 870 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 871 872 shader.setLocalMatrix(matrix); 873 mWorkPaint.reset(); 874 mWorkPaint.setShader(shader); 875 mWorkPaint.setAntiAlias(true); 876 mWorkPaint.setFilterBitmap(true); 877 mWorkPaint.setDither(true); 878 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 879 880 // Then draw the border. 881 final float borderWidth = 1f; 882 mWorkPaint.reset(); 883 mWorkPaint.setColor(Color.TRANSPARENT); 884 mWorkPaint.setStyle(Style.STROKE); 885 mWorkPaint.setStrokeWidth(borderWidth); 886 mWorkPaint.setAntiAlias(true); 887 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 888 889 mWorkPaint.reset(); 890 } 891 892 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 893 TextPaint paint = getPaint(); 894 float defaultSize = paint.getTextSize(); 895 int defaultColor = paint.getColor(); 896 897 Bitmap tmpBitmap; 898 if (pressed) { 899 tmpBitmap = createSelectedChip(contact, paint); 900 901 } else { 902 tmpBitmap = createUnselectedChip(contact, paint); 903 } 904 905 // Pass the full text, un-ellipsized, to the chip. 906 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 907 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 908 VisibleRecipientChip recipientChip = 909 new VisibleRecipientChip(result, contact); 910 recipientChip.setExtraMargin(mLineSpacingExtra); 911 // Return text to the original size. 912 paint.setTextSize(defaultSize); 913 paint.setColor(defaultColor); 914 return recipientChip; 915 } 916 917 /** 918 * Calculate the bottom of the line the chip will be located on using: 919 * 1) which line the chip appears on 920 * 2) the height of a chip 921 * 3) padding built into the edit text view 922 */ 923 private int calculateOffsetFromBottom(int line) { 924 // Line offsets start at zero. 925 int actualLine = getLineCount() - (line + 1); 926 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 927 + getDropDownVerticalOffset(); 928 } 929 930 /** 931 * Calculate the offset from bottom of the EditText to top of the provided line. 932 */ 933 private int calculateOffsetFromBottomToTop(int line) { 934 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 935 .abs(getLineCount() - line)) + getPaddingBottom()); 936 } 937 938 /** 939 * Get the max amount of space a chip can take up. The formula takes into 940 * account the width of the EditTextView, any view padding, and padding 941 * that will be added to the chip. 942 */ 943 private float calculateAvailableWidth() { 944 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 945 - mChipTextEndPadding; 946 } 947 948 949 private void setChipDimensions(Context context, AttributeSet attrs) { 950 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 951 0); 952 Resources r = getContext().getResources(); 953 954 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 955 mChipBackgroundPressed = a 956 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 957 mInvalidChipBackground = a 958 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 959 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 960 if (mChipDelete == null) { 961 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 962 } 963 mChipTextStartPadding = mChipTextEndPadding 964 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 965 if (mChipTextStartPadding == -1) { 966 mChipTextStartPadding = mChipTextEndPadding = 967 (int) r.getDimension(R.dimen.chip_padding); 968 } 969 // xml-overrides for each individual padding 970 // TODO: add these to attr? 971 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 972 if (overridePadding >= 0) { 973 mChipTextStartPadding = overridePadding; 974 } 975 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 976 if (overridePadding >= 0) { 977 mChipTextEndPadding = overridePadding; 978 } 979 980 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 981 982 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 983 984 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 985 if (mChipHeight == -1) { 986 mChipHeight = r.getDimension(R.dimen.chip_height); 987 } 988 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 989 if (mChipFontSize == -1) { 990 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 991 } 992 mAvatarPosition = 993 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 994 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 995 996 mMaxLines = r.getInteger(R.integer.chips_max_lines); 997 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 998 999 a.recycle(); 1000 } 1001 1002 // Visible for testing. 1003 /* package */ void setMoreItem(TextView moreItem) { 1004 mMoreItem = moreItem; 1005 } 1006 1007 1008 // Visible for testing. 1009 /* package */ void setChipBackground(Drawable chipBackground) { 1010 mChipBackground = chipBackground; 1011 } 1012 1013 // Visible for testing. 1014 /* package */ void setChipHeight(int height) { 1015 mChipHeight = height; 1016 } 1017 1018 public float getChipHeight() { 1019 return mChipHeight; 1020 } 1021 1022 /** 1023 * Set whether to shrink the recipients field such that at most 1024 * one line of recipients chips are shown when the field loses 1025 * focus. By default, the number of displayed recipients will be 1026 * limited and a "more" chip will be shown when focus is lost. 1027 * @param shrink 1028 */ 1029 public void setOnFocusListShrinkRecipients(boolean shrink) { 1030 mShouldShrink = shrink; 1031 } 1032 1033 @Override 1034 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1035 super.onSizeChanged(width, height, oldw, oldh); 1036 if (width != 0 && height != 0) { 1037 if (mPendingChipsCount > 0) { 1038 postHandlePendingChips(); 1039 } else { 1040 checkChipWidths(); 1041 } 1042 } 1043 // Try to find the scroll view parent, if it exists. 1044 if (mScrollView == null && !mTriedGettingScrollView) { 1045 ViewParent parent = getParent(); 1046 while (parent != null && !(parent instanceof ScrollView)) { 1047 parent = parent.getParent(); 1048 } 1049 if (parent != null) { 1050 mScrollView = (ScrollView) parent; 1051 } 1052 mTriedGettingScrollView = true; 1053 } 1054 } 1055 1056 private void postHandlePendingChips() { 1057 mHandler.removeCallbacks(mHandlePendingChips); 1058 mHandler.post(mHandlePendingChips); 1059 } 1060 1061 private void checkChipWidths() { 1062 // Check the widths of the associated chips. 1063 DrawableRecipientChip[] chips = getSortedRecipients(); 1064 if (chips != null) { 1065 Rect bounds; 1066 for (DrawableRecipientChip chip : chips) { 1067 bounds = chip.getBounds(); 1068 if (getWidth() > 0 && bounds.right - bounds.left > 1069 getWidth() - getPaddingLeft() - getPaddingRight()) { 1070 // Need to redraw that chip. 1071 replaceChip(chip, chip.getEntry()); 1072 } 1073 } 1074 } 1075 } 1076 1077 // Visible for testing. 1078 /*package*/ void handlePendingChips() { 1079 if (getViewWidth() <= 0) { 1080 // The widget has not been sized yet. 1081 // This will be called as a result of onSizeChanged 1082 // at a later point. 1083 return; 1084 } 1085 if (mPendingChipsCount <= 0) { 1086 return; 1087 } 1088 1089 synchronized (mPendingChips) { 1090 Editable editable = getText(); 1091 // Tokenize! 1092 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1093 for (int i = 0; i < mPendingChips.size(); i++) { 1094 String current = mPendingChips.get(i); 1095 int tokenStart = editable.toString().indexOf(current); 1096 // Always leave a space at the end between tokens. 1097 int tokenEnd = tokenStart + current.length() - 1; 1098 if (tokenStart >= 0) { 1099 // When we have a valid token, include it with the token 1100 // to the left. 1101 if (tokenEnd < editable.length() - 2 1102 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1103 tokenEnd++; 1104 } 1105 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1106 || !mShouldShrink); 1107 } 1108 mPendingChipsCount--; 1109 } 1110 sanitizeEnd(); 1111 } else { 1112 mNoChips = true; 1113 } 1114 1115 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1116 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1117 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1118 new RecipientReplacementTask().execute(); 1119 mTemporaryRecipients = null; 1120 } else { 1121 // Create the "more" chip 1122 mIndividualReplacements = new IndividualReplacementTask(); 1123 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1124 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1125 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1126 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1127 mTemporaryRecipients.subList(CHIP_LIMIT, 1128 mTemporaryRecipients.size())); 1129 } else { 1130 mTemporaryRecipients = null; 1131 } 1132 createMoreChip(); 1133 } 1134 } else { 1135 // There are too many recipients to look up, so just fall back 1136 // to showing addresses for all of them. 1137 mTemporaryRecipients = null; 1138 createMoreChip(); 1139 } 1140 mPendingChipsCount = 0; 1141 mPendingChips.clear(); 1142 } 1143 } 1144 1145 // Visible for testing. 1146 /*package*/ int getViewWidth() { 1147 return getWidth(); 1148 } 1149 1150 /** 1151 * Remove any characters after the last valid chip. 1152 */ 1153 // Visible for testing. 1154 /*package*/ void sanitizeEnd() { 1155 // Don't sanitize while we are waiting for pending chips to complete. 1156 if (mPendingChipsCount > 0) { 1157 return; 1158 } 1159 // Find the last chip; eliminate any commit characters after it. 1160 DrawableRecipientChip[] chips = getSortedRecipients(); 1161 Spannable spannable = getSpannable(); 1162 if (chips != null && chips.length > 0) { 1163 int end; 1164 mMoreChip = getMoreChip(); 1165 if (mMoreChip != null) { 1166 end = spannable.getSpanEnd(mMoreChip); 1167 } else { 1168 end = getSpannable().getSpanEnd(getLastChip()); 1169 } 1170 Editable editable = getText(); 1171 int length = editable.length(); 1172 if (length > end) { 1173 // See what characters occur after that and eliminate them. 1174 if (Log.isLoggable(TAG, Log.DEBUG)) { 1175 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1176 + editable); 1177 } 1178 editable.delete(end + 1, length); 1179 } 1180 } 1181 } 1182 1183 /** 1184 * Create a chip that represents just the email address of a recipient. At some later 1185 * point, this chip will be attached to a real contact entry, if one exists. 1186 */ 1187 // VisibleForTesting 1188 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1189 boolean visible) { 1190 if (alreadyHasChip(tokenStart, tokenEnd)) { 1191 // There is already a chip present at this location. 1192 // Don't recreate it. 1193 return; 1194 } 1195 String token = editable.toString().substring(tokenStart, tokenEnd); 1196 final String trimmedToken = token.trim(); 1197 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1198 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1199 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1200 } 1201 RecipientEntry entry = createTokenizedEntry(token); 1202 if (entry != null) { 1203 DrawableRecipientChip chip = null; 1204 try { 1205 if (!mNoChips) { 1206 chip = visible ? 1207 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1208 } 1209 } catch (NullPointerException e) { 1210 Log.e(TAG, e.getMessage(), e); 1211 } 1212 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1213 // Add this chip to the list of entries "to replace" 1214 if (chip != null) { 1215 if (mTemporaryRecipients == null) { 1216 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1217 } 1218 chip.setOriginalText(token); 1219 mTemporaryRecipients.add(chip); 1220 } 1221 } 1222 } 1223 1224 private static boolean isPhoneNumber(String number) { 1225 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1226 // PhoneNumberUtil). One complication is that it requires the sender's region which 1227 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1228 if (TextUtils.isEmpty(number)) { 1229 return false; 1230 } 1231 1232 Matcher match = PHONE_PATTERN.matcher(number); 1233 return match.matches(); 1234 } 1235 1236 // VisibleForTesting 1237 RecipientEntry createTokenizedEntry(final String token) { 1238 if (TextUtils.isEmpty(token)) { 1239 return null; 1240 } 1241 if (isPhoneQuery() && isPhoneNumber(token)) { 1242 return RecipientEntry.constructFakePhoneEntry(token, true); 1243 } 1244 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1245 String display = null; 1246 boolean isValid = isValid(token); 1247 if (isValid && tokens != null && tokens.length > 0) { 1248 // If we can get a name from tokenizing, then generate an entry from 1249 // this. 1250 display = tokens[0].getName(); 1251 if (!TextUtils.isEmpty(display)) { 1252 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1253 isValid); 1254 } else { 1255 display = tokens[0].getAddress(); 1256 if (!TextUtils.isEmpty(display)) { 1257 return RecipientEntry.constructFakeEntry(display, isValid); 1258 } 1259 } 1260 } 1261 // Unable to validate the token or to create a valid token from it. 1262 // Just create a chip the user can edit. 1263 String validatedToken = null; 1264 if (mValidator != null && !isValid) { 1265 // Try fixing up the entry using the validator. 1266 validatedToken = mValidator.fixText(token).toString(); 1267 if (!TextUtils.isEmpty(validatedToken)) { 1268 if (validatedToken.contains(token)) { 1269 // protect against the case of a validator with a null 1270 // domain, 1271 // which doesn't add a domain to the token 1272 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1273 if (tokenized.length > 0) { 1274 validatedToken = tokenized[0].getAddress(); 1275 isValid = true; 1276 } 1277 } else { 1278 // We ran into a case where the token was invalid and 1279 // removed 1280 // by the validator. In this case, just use the original 1281 // token 1282 // and let the user sort out the error chip. 1283 validatedToken = null; 1284 isValid = false; 1285 } 1286 } 1287 } 1288 // Otherwise, fallback to just creating an editable email address chip. 1289 return RecipientEntry.constructFakeEntry( 1290 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1291 } 1292 1293 private boolean isValid(String text) { 1294 return mValidator == null ? true : mValidator.isValid(text); 1295 } 1296 1297 private static String tokenizeAddress(String destination) { 1298 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1299 if (tokens != null && tokens.length > 0) { 1300 return tokens[0].getAddress(); 1301 } 1302 return destination; 1303 } 1304 1305 @Override 1306 public void setTokenizer(Tokenizer tokenizer) { 1307 mTokenizer = tokenizer; 1308 super.setTokenizer(mTokenizer); 1309 } 1310 1311 @Override 1312 public void setValidator(Validator validator) { 1313 mValidator = validator; 1314 super.setValidator(validator); 1315 } 1316 1317 /** 1318 * We cannot use the default mechanism for replaceText. Instead, 1319 * we override onItemClickListener so we can get all the associated 1320 * contact information including display text, address, and id. 1321 */ 1322 @Override 1323 protected void replaceText(CharSequence text) { 1324 return; 1325 } 1326 1327 /** 1328 * Dismiss any selected chips when the back key is pressed. 1329 */ 1330 @Override 1331 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1332 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1333 clearSelectedChip(); 1334 return true; 1335 } 1336 return super.onKeyPreIme(keyCode, event); 1337 } 1338 1339 /** 1340 * Monitor key presses in this view to see if the user types 1341 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1342 * If the user has entered text that has contact matches and types 1343 * a commit key, create a chip from the topmost matching contact. 1344 * If the user has entered text that has no contact matches and types 1345 * a commit key, then create a chip from the text they have entered. 1346 */ 1347 @Override 1348 public boolean onKeyUp(int keyCode, KeyEvent event) { 1349 switch (keyCode) { 1350 case KeyEvent.KEYCODE_TAB: 1351 if (event.hasNoModifiers()) { 1352 if (mSelectedChip != null) { 1353 clearSelectedChip(); 1354 } else { 1355 commitDefault(); 1356 } 1357 } 1358 break; 1359 } 1360 return super.onKeyUp(keyCode, event); 1361 } 1362 1363 private boolean focusNext() { 1364 View next = focusSearch(View.FOCUS_DOWN); 1365 if (next != null) { 1366 next.requestFocus(); 1367 return true; 1368 } 1369 return false; 1370 } 1371 1372 /** 1373 * Create a chip from the default selection. If the popup is showing, the 1374 * default is the selected item (if one is selected), or the first item, in the popup 1375 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1376 * tokenizer should search for a token to turn into a chip. 1377 * @return If a chip was created from a real contact. 1378 */ 1379 private boolean commitDefault() { 1380 // If there is no tokenizer, don't try to commit. 1381 if (mTokenizer == null) { 1382 return false; 1383 } 1384 Editable editable = getText(); 1385 int end = getSelectionEnd(); 1386 int start = mTokenizer.findTokenStart(editable, end); 1387 1388 if (shouldCreateChip(start, end)) { 1389 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1390 // In the middle of chip; treat this as an edit 1391 // and commit the whole token. 1392 whatEnd = movePastTerminators(whatEnd); 1393 if (whatEnd != getSelectionEnd()) { 1394 handleEdit(start, whatEnd); 1395 return true; 1396 } 1397 return commitChip(start, end , editable); 1398 } 1399 return false; 1400 } 1401 1402 private void commitByCharacter() { 1403 // We can't possibly commit by character if we can't tokenize. 1404 if (mTokenizer == null) { 1405 return; 1406 } 1407 Editable editable = getText(); 1408 int end = getSelectionEnd(); 1409 int start = mTokenizer.findTokenStart(editable, end); 1410 if (shouldCreateChip(start, end)) { 1411 commitChip(start, end, editable); 1412 } 1413 setSelection(getText().length()); 1414 } 1415 1416 private boolean commitChip(int start, int end, Editable editable) { 1417 ListAdapter adapter = getAdapter(); 1418 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1419 && end == getSelectionEnd() && !isPhoneQuery()) { 1420 // let's choose the selected or first entry if only the input text is NOT an email 1421 // address so we won't try to replace the user's potentially correct but 1422 // new/unencountered email input 1423 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1424 final int selectedPosition = getListSelection(); 1425 if (selectedPosition == -1) { 1426 // Nothing is selected; use the first item 1427 submitItemAtPosition(0); 1428 } else { 1429 submitItemAtPosition(selectedPosition); 1430 } 1431 } 1432 dismissDropDown(); 1433 return true; 1434 } else { 1435 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1436 if (editable.length() > tokenEnd + 1) { 1437 char charAt = editable.charAt(tokenEnd + 1); 1438 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1439 tokenEnd++; 1440 } 1441 } 1442 String text = editable.toString().substring(start, tokenEnd).trim(); 1443 clearComposingText(); 1444 if (text != null && text.length() > 0 && !text.equals(" ")) { 1445 RecipientEntry entry = createTokenizedEntry(text); 1446 if (entry != null) { 1447 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1448 CharSequence chipText = createChip(entry, false); 1449 if (chipText != null && start > -1 && end > -1) { 1450 editable.replace(start, end, chipText); 1451 } 1452 } 1453 // Only dismiss the dropdown if it is related to the text we 1454 // just committed. 1455 // For paste, it may not be as there are possibly multiple 1456 // tokens being added. 1457 if (end == getSelectionEnd()) { 1458 dismissDropDown(); 1459 } 1460 sanitizeBetween(); 1461 return true; 1462 } 1463 } 1464 return false; 1465 } 1466 1467 // Visible for testing. 1468 /* package */ void sanitizeBetween() { 1469 // Don't sanitize while we are waiting for content to chipify. 1470 if (mPendingChipsCount > 0) { 1471 return; 1472 } 1473 // Find the last chip. 1474 DrawableRecipientChip[] recips = getSortedRecipients(); 1475 if (recips != null && recips.length > 0) { 1476 DrawableRecipientChip last = recips[recips.length - 1]; 1477 DrawableRecipientChip beforeLast = null; 1478 if (recips.length > 1) { 1479 beforeLast = recips[recips.length - 2]; 1480 } 1481 int startLooking = 0; 1482 int end = getSpannable().getSpanStart(last); 1483 if (beforeLast != null) { 1484 startLooking = getSpannable().getSpanEnd(beforeLast); 1485 Editable text = getText(); 1486 if (startLooking == -1 || startLooking > text.length() - 1) { 1487 // There is nothing after this chip. 1488 return; 1489 } 1490 if (text.charAt(startLooking) == ' ') { 1491 startLooking++; 1492 } 1493 } 1494 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1495 getText().delete(startLooking, end); 1496 } 1497 } 1498 } 1499 1500 private boolean shouldCreateChip(int start, int end) { 1501 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1502 } 1503 1504 private boolean alreadyHasChip(int start, int end) { 1505 if (mNoChips) { 1506 return true; 1507 } 1508 DrawableRecipientChip[] chips = 1509 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1510 if ((chips == null || chips.length == 0)) { 1511 return false; 1512 } 1513 return true; 1514 } 1515 1516 private void handleEdit(int start, int end) { 1517 if (start == -1 || end == -1) { 1518 // This chip no longer exists in the field. 1519 dismissDropDown(); 1520 return; 1521 } 1522 // This is in the middle of a chip, so select out the whole chip 1523 // and commit it. 1524 Editable editable = getText(); 1525 setSelection(end); 1526 String text = getText().toString().substring(start, end); 1527 if (!TextUtils.isEmpty(text)) { 1528 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1529 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1530 CharSequence chipText = createChip(entry, false); 1531 int selEnd = getSelectionEnd(); 1532 if (chipText != null && start > -1 && selEnd > -1) { 1533 editable.replace(start, selEnd, chipText); 1534 } 1535 } 1536 dismissDropDown(); 1537 } 1538 1539 /** 1540 * If there is a selected chip, delegate the key events 1541 * to the selected chip. 1542 */ 1543 @Override 1544 public boolean onKeyDown(int keyCode, KeyEvent event) { 1545 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1546 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1547 mAlternatesPopup.dismiss(); 1548 } 1549 removeChip(mSelectedChip); 1550 } 1551 1552 switch (keyCode) { 1553 case KeyEvent.KEYCODE_ENTER: 1554 case KeyEvent.KEYCODE_DPAD_CENTER: 1555 if (event.hasNoModifiers()) { 1556 if (commitDefault()) { 1557 return true; 1558 } 1559 if (mSelectedChip != null) { 1560 clearSelectedChip(); 1561 return true; 1562 } else if (focusNext()) { 1563 return true; 1564 } 1565 } 1566 break; 1567 } 1568 1569 return super.onKeyDown(keyCode, event); 1570 } 1571 1572 // Visible for testing. 1573 /* package */ Spannable getSpannable() { 1574 return getText(); 1575 } 1576 1577 private int getChipStart(DrawableRecipientChip chip) { 1578 return getSpannable().getSpanStart(chip); 1579 } 1580 1581 private int getChipEnd(DrawableRecipientChip chip) { 1582 return getSpannable().getSpanEnd(chip); 1583 } 1584 1585 /** 1586 * Instead of filtering on the entire contents of the edit box, 1587 * this subclass method filters on the range from 1588 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1589 * if the length of that range meets or exceeds {@link #getThreshold} 1590 * and makes sure that the range is not already a Chip. 1591 */ 1592 @Override 1593 protected void performFiltering(CharSequence text, int keyCode) { 1594 boolean isCompletedToken = isCompletedToken(text); 1595 if (enoughToFilter() && !isCompletedToken) { 1596 int end = getSelectionEnd(); 1597 int start = mTokenizer.findTokenStart(text, end); 1598 // If this is a RecipientChip, don't filter 1599 // on its contents. 1600 Spannable span = getSpannable(); 1601 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1602 if (chips != null && chips.length > 0) { 1603 dismissDropDown(); 1604 return; 1605 } 1606 } else if (isCompletedToken) { 1607 dismissDropDown(); 1608 return; 1609 } 1610 super.performFiltering(text, keyCode); 1611 } 1612 1613 // Visible for testing. 1614 /*package*/ boolean isCompletedToken(CharSequence text) { 1615 if (TextUtils.isEmpty(text)) { 1616 return false; 1617 } 1618 // Check to see if this is a completed token before filtering. 1619 int end = text.length(); 1620 int start = mTokenizer.findTokenStart(text, end); 1621 String token = text.toString().substring(start, end).trim(); 1622 if (!TextUtils.isEmpty(token)) { 1623 char atEnd = token.charAt(token.length() - 1); 1624 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1625 } 1626 return false; 1627 } 1628 1629 private void clearSelectedChip() { 1630 if (mSelectedChip != null) { 1631 unselectChip(mSelectedChip); 1632 mSelectedChip = null; 1633 } 1634 setCursorVisible(true); 1635 } 1636 1637 /** 1638 * Monitor touch events in the RecipientEditTextView. 1639 * If the view does not have focus, any tap on the view 1640 * will just focus the view. If the view has focus, determine 1641 * if the touch target is a recipient chip. If it is and the chip 1642 * is not selected, select it and clear any other selected chips. 1643 * If it isn't, then select that chip. 1644 */ 1645 @Override 1646 public boolean onTouchEvent(MotionEvent event) { 1647 if (!isFocused()) { 1648 // Ignore any chip taps until this view is focused. 1649 return super.onTouchEvent(event); 1650 } 1651 boolean handled = super.onTouchEvent(event); 1652 int action = event.getAction(); 1653 boolean chipWasSelected = false; 1654 if (mSelectedChip == null) { 1655 mGestureDetector.onTouchEvent(event); 1656 } 1657 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1658 float x = event.getX(); 1659 float y = event.getY(); 1660 int offset = putOffsetInRange(x, y); 1661 DrawableRecipientChip currentChip = findChip(offset); 1662 if (currentChip != null) { 1663 if (action == MotionEvent.ACTION_UP) { 1664 if (mSelectedChip != null && mSelectedChip != currentChip) { 1665 clearSelectedChip(); 1666 mSelectedChip = selectChip(currentChip); 1667 } else if (mSelectedChip == null) { 1668 setSelection(getText().length()); 1669 commitDefault(); 1670 mSelectedChip = selectChip(currentChip); 1671 } else { 1672 onClick(mSelectedChip); 1673 } 1674 } 1675 chipWasSelected = true; 1676 handled = true; 1677 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1678 chipWasSelected = true; 1679 } 1680 } 1681 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1682 clearSelectedChip(); 1683 } 1684 return handled; 1685 } 1686 1687 private void scrollLineIntoView(int line) { 1688 if (mScrollView != null) { 1689 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1690 } 1691 } 1692 1693 private void showAlternates(final DrawableRecipientChip currentChip, 1694 final ListPopupWindow alternatesPopup) { 1695 new AsyncTask<Void, Void, ListAdapter>() { 1696 @Override 1697 protected ListAdapter doInBackground(final Void... params) { 1698 return createAlternatesAdapter(currentChip); 1699 } 1700 1701 @Override 1702 protected void onPostExecute(final ListAdapter result) { 1703 if (!mAttachedToWindow) { 1704 return; 1705 } 1706 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1707 int bottomOffset = calculateOffsetFromBottomToTop(line); 1708 1709 // Align the alternates popup with the left side of the View, 1710 // regardless of the position of the chip tapped. 1711 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1712 mAlternatePopupAnchor : RecipientEditTextView.this); 1713 alternatesPopup.setVerticalOffset(bottomOffset); 1714 alternatesPopup.setAdapter(result); 1715 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1716 // Clear the checked item. 1717 mCheckedItem = -1; 1718 alternatesPopup.show(); 1719 ListView listView = alternatesPopup.getListView(); 1720 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1721 // Checked item would be -1 if the adapter has not 1722 // loaded the view that should be checked yet. The 1723 // variable will be set correctly when onCheckedItemChanged 1724 // is called in a separate thread. 1725 if (mCheckedItem != -1) { 1726 listView.setItemChecked(mCheckedItem, true); 1727 mCheckedItem = -1; 1728 } 1729 } 1730 }.execute((Void[]) null); 1731 } 1732 1733 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1734 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1735 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1736 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1737 constructStateListDeleteDrawable()); 1738 } 1739 1740 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1741 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1742 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1743 } 1744 1745 private StateListDrawable constructStateListDeleteDrawable() { 1746 // Construct the StateListDrawable from deleteDrawable 1747 StateListDrawable deleteDrawable = new StateListDrawable(); 1748 if (!mDisableDelete) { 1749 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1750 } 1751 deleteDrawable.addState(new int[0], null); 1752 return deleteDrawable; 1753 } 1754 1755 @Override 1756 public void onCheckedItemChanged(int position) { 1757 ListView listView = mAlternatesPopup.getListView(); 1758 if (listView != null && listView.getCheckedItemCount() == 0) { 1759 listView.setItemChecked(position, true); 1760 } 1761 mCheckedItem = position; 1762 } 1763 1764 private int putOffsetInRange(final float x, final float y) { 1765 final int offset; 1766 1767 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1768 offset = getOffsetForPosition(x, y); 1769 } else { 1770 offset = supportGetOffsetForPosition(x, y); 1771 } 1772 1773 return putOffsetInRange(offset); 1774 } 1775 1776 // TODO: This algorithm will need a lot of tweaking after more people have used 1777 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1778 // what comes before the finger. 1779 private int putOffsetInRange(int o) { 1780 int offset = o; 1781 Editable text = getText(); 1782 int length = text.length(); 1783 // Remove whitespace from end to find "real end" 1784 int realLength = length; 1785 for (int i = length - 1; i >= 0; i--) { 1786 if (text.charAt(i) == ' ') { 1787 realLength--; 1788 } else { 1789 break; 1790 } 1791 } 1792 1793 // If the offset is beyond or at the end of the text, 1794 // leave it alone. 1795 if (offset >= realLength) { 1796 return offset; 1797 } 1798 Editable editable = getText(); 1799 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1800 // Keep walking backward! 1801 offset--; 1802 } 1803 return offset; 1804 } 1805 1806 private static int findText(Editable text, int offset) { 1807 if (text.charAt(offset) != ' ') { 1808 return offset; 1809 } 1810 return -1; 1811 } 1812 1813 private DrawableRecipientChip findChip(int offset) { 1814 DrawableRecipientChip[] chips = 1815 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1816 // Find the chip that contains this offset. 1817 for (int i = 0; i < chips.length; i++) { 1818 DrawableRecipientChip chip = chips[i]; 1819 int start = getChipStart(chip); 1820 int end = getChipEnd(chip); 1821 if (offset >= start && offset <= end) { 1822 return chip; 1823 } 1824 } 1825 return null; 1826 } 1827 1828 // Visible for testing. 1829 // Use this method to generate text to add to the list of addresses. 1830 /* package */String createAddressText(RecipientEntry entry) { 1831 String display = entry.getDisplayName(); 1832 String address = entry.getDestination(); 1833 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1834 display = null; 1835 } 1836 String trimmedDisplayText; 1837 if (isPhoneQuery() && isPhoneNumber(address)) { 1838 trimmedDisplayText = address.trim(); 1839 } else { 1840 if (address != null) { 1841 // Tokenize out the address in case the address already 1842 // contained the username as well. 1843 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1844 if (tokenized != null && tokenized.length > 0) { 1845 address = tokenized[0].getAddress(); 1846 } 1847 } 1848 Rfc822Token token = new Rfc822Token(display, address, null); 1849 trimmedDisplayText = token.toString().trim(); 1850 } 1851 int index = trimmedDisplayText.indexOf(","); 1852 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1853 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1854 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1855 } 1856 1857 // Visible for testing. 1858 // Use this method to generate text to display in a chip. 1859 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1860 String display = entry.getDisplayName(); 1861 String address = entry.getDestination(); 1862 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1863 display = null; 1864 } 1865 if (!TextUtils.isEmpty(display)) { 1866 return display; 1867 } else if (!TextUtils.isEmpty(address)){ 1868 return address; 1869 } else { 1870 return new Rfc822Token(display, address, null).toString(); 1871 } 1872 } 1873 1874 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1875 final String displayText = createAddressText(entry); 1876 if (TextUtils.isEmpty(displayText)) { 1877 return null; 1878 } 1879 // Always leave a blank space at the end of a chip. 1880 final int textLength = displayText.length() - 1; 1881 final SpannableString chipText = new SpannableString(displayText); 1882 if (!mNoChips) { 1883 try { 1884 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1885 chipText.setSpan(chip, 0, textLength, 1886 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1887 chip.setOriginalText(chipText.toString()); 1888 } catch (NullPointerException e) { 1889 Log.e(TAG, e.getMessage(), e); 1890 return null; 1891 } 1892 } 1893 onChipCreated(entry); 1894 return chipText; 1895 } 1896 1897 /** 1898 * A callback for subclasses to use to know when a chip was created with the 1899 * given RecipientEntry. 1900 */ 1901 protected void onChipCreated(RecipientEntry entry) {} 1902 1903 /** 1904 * When an item in the suggestions list has been clicked, create a chip from the 1905 * contact information of the selected item. 1906 */ 1907 @Override 1908 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1909 if (position < 0) { 1910 return; 1911 } 1912 1913 final int charactersTyped = submitItemAtPosition(position); 1914 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1915 mRecipientEntryItemClickedListener 1916 .onRecipientEntryItemClicked(charactersTyped, position); 1917 } 1918 } 1919 1920 private int submitItemAtPosition(int position) { 1921 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1922 if (entry == null) { 1923 return -1; 1924 } 1925 clearComposingText(); 1926 1927 int end = getSelectionEnd(); 1928 int start = mTokenizer.findTokenStart(getText(), end); 1929 1930 Editable editable = getText(); 1931 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1932 CharSequence chip = createChip(entry, false); 1933 if (chip != null && start >= 0 && end >= 0) { 1934 editable.replace(start, end, chip); 1935 } 1936 sanitizeBetween(); 1937 1938 return end - start; 1939 } 1940 1941 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1942 if (item == null) { 1943 return null; 1944 } 1945 final RecipientEntry entry; 1946 // If the display name and the address are the same, or if this is a 1947 // valid contact, but the destination is invalid, then make this a fake 1948 // recipient that is editable. 1949 String destination = item.getDestination(); 1950 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1951 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1952 destination, item.isValid()); 1953 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1954 && (TextUtils.isEmpty(item.getDisplayName()) 1955 || TextUtils.equals(item.getDisplayName(), destination) 1956 || (mValidator != null && !mValidator.isValid(destination)))) { 1957 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1958 } else { 1959 entry = item; 1960 } 1961 return entry; 1962 } 1963 1964 // Visible for testing. 1965 /* package */DrawableRecipientChip[] getSortedRecipients() { 1966 DrawableRecipientChip[] recips = getSpannable() 1967 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1968 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1969 Arrays.asList(recips)); 1970 final Spannable spannable = getSpannable(); 1971 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1972 1973 @Override 1974 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1975 int firstStart = spannable.getSpanStart(first); 1976 int secondStart = spannable.getSpanStart(second); 1977 if (firstStart < secondStart) { 1978 return -1; 1979 } else if (firstStart > secondStart) { 1980 return 1; 1981 } else { 1982 return 0; 1983 } 1984 } 1985 }); 1986 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1987 } 1988 1989 @Override 1990 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1991 return false; 1992 } 1993 1994 @Override 1995 public void onDestroyActionMode(ActionMode mode) { 1996 } 1997 1998 @Override 1999 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2000 return false; 2001 } 2002 2003 /** 2004 * No chips are selectable. 2005 */ 2006 @Override 2007 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2008 return false; 2009 } 2010 2011 // Visible for testing. 2012 /* package */ReplacementDrawableSpan getMoreChip() { 2013 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2014 MoreImageSpan.class); 2015 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2016 } 2017 2018 private MoreImageSpan createMoreSpan(int count) { 2019 String moreText = String.format(mMoreItem.getText().toString(), count); 2020 mWorkPaint.set(getPaint()); 2021 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 2022 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 2023 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2024 + mMoreItem.getPaddingRight(); 2025 final int height = (int) mChipHeight; 2026 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2027 Canvas canvas = new Canvas(drawable); 2028 int adjustedHeight = height; 2029 Layout layout = getLayout(); 2030 if (layout != null) { 2031 adjustedHeight -= layout.getLineDescent(0); 2032 } 2033 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 2034 2035 Drawable result = new BitmapDrawable(getResources(), drawable); 2036 result.setBounds(0, 0, width, height); 2037 return new MoreImageSpan(result); 2038 } 2039 2040 // Visible for testing. 2041 /*package*/ void createMoreChipPlainText() { 2042 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2043 Editable text = getText(); 2044 int start = 0; 2045 int end = start; 2046 for (int i = 0; i < CHIP_LIMIT; i++) { 2047 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2048 start = end; // move to the next token and get its end. 2049 } 2050 // Now, count total addresses. 2051 start = 0; 2052 int tokenCount = countTokens(text); 2053 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2054 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2055 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2056 text.replace(end, text.length(), chipText); 2057 mMoreChip = moreSpan; 2058 } 2059 2060 // Visible for testing. 2061 /* package */int countTokens(Editable text) { 2062 int tokenCount = 0; 2063 int start = 0; 2064 while (start < text.length()) { 2065 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2066 tokenCount++; 2067 if (start >= text.length()) { 2068 break; 2069 } 2070 } 2071 return tokenCount; 2072 } 2073 2074 /** 2075 * Create the more chip. The more chip is text that replaces any chips that 2076 * do not fit in the pre-defined available space when the 2077 * RecipientEditTextView loses focus. 2078 */ 2079 // Visible for testing. 2080 /* package */ void createMoreChip() { 2081 if (mNoChips) { 2082 createMoreChipPlainText(); 2083 return; 2084 } 2085 2086 if (!mShouldShrink) { 2087 return; 2088 } 2089 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2090 MoreImageSpan.class); 2091 if (tempMore.length > 0) { 2092 getSpannable().removeSpan(tempMore[0]); 2093 } 2094 DrawableRecipientChip[] recipients = getSortedRecipients(); 2095 2096 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2097 mMoreChip = null; 2098 return; 2099 } 2100 Spannable spannable = getSpannable(); 2101 int numRecipients = recipients.length; 2102 int overage = numRecipients - CHIP_LIMIT; 2103 MoreImageSpan moreSpan = createMoreSpan(overage); 2104 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2105 int totalReplaceStart = 0; 2106 int totalReplaceEnd = 0; 2107 Editable text = getText(); 2108 for (int i = numRecipients - overage; i < recipients.length; i++) { 2109 mRemovedSpans.add(recipients[i]); 2110 if (i == numRecipients - overage) { 2111 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2112 } 2113 if (i == recipients.length - 1) { 2114 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2115 } 2116 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2117 int spanStart = spannable.getSpanStart(recipients[i]); 2118 int spanEnd = spannable.getSpanEnd(recipients[i]); 2119 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2120 } 2121 spannable.removeSpan(recipients[i]); 2122 } 2123 if (totalReplaceEnd < text.length()) { 2124 totalReplaceEnd = text.length(); 2125 } 2126 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2127 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2128 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2129 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2130 text.replace(start, end, chipText); 2131 mMoreChip = moreSpan; 2132 // If adding the +more chip goes over the limit, resize accordingly. 2133 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2134 setMaxLines(getLineCount()); 2135 } 2136 } 2137 2138 /** 2139 * Replace the more chip, if it exists, with all of the recipient chips it had 2140 * replaced when the RecipientEditTextView gains focus. 2141 */ 2142 // Visible for testing. 2143 /*package*/ void removeMoreChip() { 2144 if (mMoreChip != null) { 2145 Spannable span = getSpannable(); 2146 span.removeSpan(mMoreChip); 2147 mMoreChip = null; 2148 // Re-add the spans that were removed. 2149 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2150 // Recreate each removed span. 2151 DrawableRecipientChip[] recipients = getSortedRecipients(); 2152 // Start the search for tokens after the last currently visible 2153 // chip. 2154 if (recipients == null || recipients.length == 0) { 2155 return; 2156 } 2157 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2158 Editable editable = getText(); 2159 for (DrawableRecipientChip chip : mRemovedSpans) { 2160 int chipStart; 2161 int chipEnd; 2162 String token; 2163 // Need to find the location of the chip, again. 2164 token = (String) chip.getOriginalText(); 2165 // As we find the matching recipient for the remove spans, 2166 // reduce the size of the string we need to search. 2167 // That way, if there are duplicates, we always find the correct 2168 // recipient. 2169 chipStart = editable.toString().indexOf(token, end); 2170 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2171 // Only set the span if we found a matching token. 2172 if (chipStart != -1) { 2173 editable.setSpan(chip, chipStart, chipEnd, 2174 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2175 } 2176 } 2177 mRemovedSpans.clear(); 2178 } 2179 } 2180 } 2181 2182 /** 2183 * Show specified chip as selected. If the RecipientChip is just an email address, 2184 * selecting the chip will take the contents of the chip and place it at 2185 * the end of the RecipientEditTextView for inline editing. If the 2186 * RecipientChip is a complete contact, then selecting the chip 2187 * will change the background color of the chip, show the delete icon, 2188 * and a popup window with the address in use highlighted and any other 2189 * alternate addresses for the contact. 2190 * @param currentChip Chip to select. 2191 * @return A RecipientChip in the selected state or null if the chip 2192 * just contained an email address. 2193 */ 2194 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2195 if (shouldShowEditableText(currentChip)) { 2196 CharSequence text = currentChip.getValue(); 2197 Editable editable = getText(); 2198 Spannable spannable = getSpannable(); 2199 int spanStart = spannable.getSpanStart(currentChip); 2200 int spanEnd = spannable.getSpanEnd(currentChip); 2201 spannable.removeSpan(currentChip); 2202 // Don't need leading space if it's the only chip 2203 if (spanEnd - spanStart == editable.length() - 1) { 2204 spanEnd++; 2205 } 2206 editable.delete(spanStart, spanEnd); 2207 setCursorVisible(true); 2208 setSelection(editable.length()); 2209 editable.append(text); 2210 return constructChipSpan( 2211 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2212 true); 2213 } else { 2214 int start = getChipStart(currentChip); 2215 int end = getChipEnd(currentChip); 2216 getSpannable().removeSpan(currentChip); 2217 DrawableRecipientChip newChip; 2218 final boolean showAddress = 2219 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2220 getAdapter().forceShowAddress(); 2221 try { 2222 if (showAddress && mNoChips) { 2223 return null; 2224 } 2225 newChip = constructChipSpan(currentChip.getEntry(), true); 2226 } catch (NullPointerException e) { 2227 Log.e(TAG, e.getMessage(), e); 2228 return null; 2229 } 2230 Editable editable = getText(); 2231 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2232 if (start == -1 || end == -1) { 2233 Log.d(TAG, "The chip being selected no longer exists but should."); 2234 } else { 2235 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2236 } 2237 newChip.setSelected(true); 2238 if (shouldShowEditableText(newChip)) { 2239 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2240 } 2241 if (showAddress) { 2242 showAddress(newChip, mAddressPopup); 2243 } else { 2244 showAlternates(newChip, mAlternatesPopup); 2245 } 2246 setCursorVisible(false); 2247 return newChip; 2248 } 2249 } 2250 2251 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2252 long contactId = currentChip.getContactId(); 2253 return contactId == RecipientEntry.INVALID_CONTACT 2254 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2255 } 2256 2257 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2258 if (!mAttachedToWindow) { 2259 return; 2260 } 2261 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2262 int bottomOffset = calculateOffsetFromBottomToTop(line); 2263 // Align the alternates popup with the left side of the View, 2264 // regardless of the position of the chip tapped. 2265 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2266 popup.setVerticalOffset(bottomOffset); 2267 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2268 popup.setOnItemClickListener(new OnItemClickListener() { 2269 @Override 2270 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2271 unselectChip(currentChip); 2272 } 2273 }); 2274 popup.show(); 2275 ListView listView = popup.getListView(); 2276 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2277 listView.setItemChecked(0, true); 2278 } 2279 2280 /** 2281 * Remove selection from this chip. Unselecting a RecipientChip will render 2282 * the chip without a delete icon and with an unfocused background. This is 2283 * called when the RecipientChip no longer has focus. 2284 */ 2285 private void unselectChip(DrawableRecipientChip chip) { 2286 int start = getChipStart(chip); 2287 int end = getChipEnd(chip); 2288 Editable editable = getText(); 2289 mSelectedChip = null; 2290 if (start == -1 || end == -1) { 2291 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2292 setSelection(editable.length()); 2293 commitDefault(); 2294 } else { 2295 getSpannable().removeSpan(chip); 2296 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2297 editable.removeSpan(chip); 2298 try { 2299 if (!mNoChips) { 2300 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2301 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2302 } 2303 } catch (NullPointerException e) { 2304 Log.e(TAG, e.getMessage(), e); 2305 } 2306 } 2307 setCursorVisible(true); 2308 setSelection(editable.length()); 2309 dismissPopups(); 2310 } 2311 2312 @Override 2313 public void onChipDelete() { 2314 if (mSelectedChip != null) { 2315 removeChip(mSelectedChip); 2316 } 2317 dismissPopups(); 2318 } 2319 2320 private void dismissPopups() { 2321 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2322 mAlternatesPopup.dismiss(); 2323 } 2324 if (mAddressPopup != null && mAddressPopup.isShowing()) { 2325 mAddressPopup.dismiss(); 2326 } 2327 } 2328 2329 /** 2330 * Remove the chip and any text associated with it from the RecipientEditTextView. 2331 */ 2332 // Visible for testing. 2333 /* package */void removeChip(DrawableRecipientChip chip) { 2334 Spannable spannable = getSpannable(); 2335 int spanStart = spannable.getSpanStart(chip); 2336 int spanEnd = spannable.getSpanEnd(chip); 2337 Editable text = getText(); 2338 int toDelete = spanEnd; 2339 boolean wasSelected = chip == mSelectedChip; 2340 // Clear that there is a selected chip before updating any text. 2341 if (wasSelected) { 2342 mSelectedChip = null; 2343 } 2344 // Always remove trailing spaces when removing a chip. 2345 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2346 toDelete++; 2347 } 2348 spannable.removeSpan(chip); 2349 if (spanStart >= 0 && toDelete > 0) { 2350 text.delete(spanStart, toDelete); 2351 } 2352 if (wasSelected) { 2353 clearSelectedChip(); 2354 } 2355 } 2356 2357 /** 2358 * Replace this currently selected chip with a new chip 2359 * that uses the contact data provided. 2360 */ 2361 // Visible for testing. 2362 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2363 boolean wasSelected = chip == mSelectedChip; 2364 if (wasSelected) { 2365 mSelectedChip = null; 2366 } 2367 int start = getChipStart(chip); 2368 int end = getChipEnd(chip); 2369 getSpannable().removeSpan(chip); 2370 Editable editable = getText(); 2371 CharSequence chipText = createChip(entry, false); 2372 if (chipText != null) { 2373 if (start == -1 || end == -1) { 2374 Log.e(TAG, "The chip to replace does not exist but should."); 2375 editable.insert(0, chipText); 2376 } else { 2377 if (!TextUtils.isEmpty(chipText)) { 2378 // There may be a space to replace with this chip's new 2379 // associated space. Check for it 2380 int toReplace = end; 2381 while (toReplace >= 0 && toReplace < editable.length() 2382 && editable.charAt(toReplace) == ' ') { 2383 toReplace++; 2384 } 2385 editable.replace(start, toReplace, chipText); 2386 } 2387 } 2388 } 2389 setCursorVisible(true); 2390 if (wasSelected) { 2391 clearSelectedChip(); 2392 } 2393 } 2394 2395 /** 2396 * Handle click events for a chip. When a selected chip receives a click 2397 * event, see if that event was in the delete icon. If so, delete it. 2398 * Otherwise, unselect the chip. 2399 */ 2400 public void onClick(DrawableRecipientChip chip) { 2401 if (chip.isSelected()) { 2402 clearSelectedChip(); 2403 } 2404 } 2405 2406 private boolean chipsPending() { 2407 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2408 } 2409 2410 @Override 2411 public void removeTextChangedListener(TextWatcher watcher) { 2412 mTextWatcher = null; 2413 super.removeTextChangedListener(watcher); 2414 } 2415 2416 private boolean isValidEmailAddress(String input) { 2417 return !TextUtils.isEmpty(input) && mValidator != null && 2418 mValidator.isValid(input); 2419 } 2420 2421 private class RecipientTextWatcher implements TextWatcher { 2422 2423 @Override 2424 public void afterTextChanged(Editable s) { 2425 // If the text has been set to null or empty, make sure we remove 2426 // all the spans we applied. 2427 if (TextUtils.isEmpty(s)) { 2428 // Remove all the chips spans. 2429 Spannable spannable = getSpannable(); 2430 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2431 DrawableRecipientChip.class); 2432 for (DrawableRecipientChip chip : chips) { 2433 spannable.removeSpan(chip); 2434 } 2435 if (mMoreChip != null) { 2436 spannable.removeSpan(mMoreChip); 2437 } 2438 clearSelectedChip(); 2439 return; 2440 } 2441 // Get whether there are any recipients pending addition to the 2442 // view. If there are, don't do anything in the text watcher. 2443 if (chipsPending()) { 2444 return; 2445 } 2446 // If the user is editing a chip, don't clear it. 2447 if (mSelectedChip != null) { 2448 if (!isGeneratedContact(mSelectedChip)) { 2449 setCursorVisible(true); 2450 setSelection(getText().length()); 2451 clearSelectedChip(); 2452 } else { 2453 return; 2454 } 2455 } 2456 int length = s.length(); 2457 // Make sure there is content there to parse and that it is 2458 // not just the commit character. 2459 if (length > 1) { 2460 if (lastCharacterIsCommitCharacter(s)) { 2461 commitByCharacter(); 2462 return; 2463 } 2464 char last; 2465 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2466 int len = length() - 1; 2467 if (end != len) { 2468 last = s.charAt(end); 2469 } else { 2470 last = s.charAt(len); 2471 } 2472 if (last == COMMIT_CHAR_SPACE) { 2473 if (!isPhoneQuery()) { 2474 // Check if this is a valid email address. If it is, 2475 // commit it. 2476 String text = getText().toString(); 2477 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2478 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2479 tokenStart)); 2480 if (isValidEmailAddress(sub)) { 2481 commitByCharacter(); 2482 } 2483 } 2484 } 2485 } 2486 } 2487 2488 @Override 2489 public void onTextChanged(CharSequence s, int start, int before, int count) { 2490 // The user deleted some text OR some text was replaced; check to 2491 // see if the insertion point is on a space 2492 // following a chip. 2493 if (before - count == 1) { 2494 // If the item deleted is a space, and the thing before the 2495 // space is a chip, delete the entire span. 2496 int selStart = getSelectionStart(); 2497 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2498 DrawableRecipientChip.class); 2499 if (repl.length > 0) { 2500 // There is a chip there! Just remove it. 2501 Editable editable = getText(); 2502 // Add the separator token. 2503 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2504 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2505 tokenEnd = tokenEnd + 1; 2506 if (tokenEnd > editable.length()) { 2507 tokenEnd = editable.length(); 2508 } 2509 editable.delete(tokenStart, tokenEnd); 2510 getSpannable().removeSpan(repl[0]); 2511 } 2512 } else if (count > before) { 2513 if (mSelectedChip != null 2514 && isGeneratedContact(mSelectedChip)) { 2515 if (lastCharacterIsCommitCharacter(s)) { 2516 commitByCharacter(); 2517 return; 2518 } 2519 } 2520 } 2521 } 2522 2523 @Override 2524 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2525 // Do nothing. 2526 } 2527 } 2528 2529 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2530 char last; 2531 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2532 int len = length() - 1; 2533 if (end != len) { 2534 last = s.charAt(end); 2535 } else { 2536 last = s.charAt(len); 2537 } 2538 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2539 } 2540 2541 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2542 long contactId = chip.getContactId(); 2543 return contactId == RecipientEntry.INVALID_CONTACT 2544 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2545 } 2546 2547 /** 2548 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2549 */ 2550 // Visible for testing. 2551 void handlePasteClip(ClipData clip) { 2552 if (clip == null) { 2553 // Do nothing. 2554 return; 2555 } 2556 2557 final ClipDescription clipDesc = clip.getDescription(); 2558 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2559 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2560 if (!containsSupportedType) { 2561 return; 2562 } 2563 2564 removeTextChangedListener(mTextWatcher); 2565 2566 final ClipDescription clipDescription = clip.getDescription(); 2567 for (int i = 0; i < clip.getItemCount(); i++) { 2568 final String mimeType = clipDescription.getMimeType(i); 2569 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2570 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2571 if (!supportedType) { 2572 // Only plain text and html can be pasted. 2573 continue; 2574 } 2575 2576 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2577 if (!TextUtils.isEmpty(pastedItem)) { 2578 final Editable editable = getText(); 2579 final int start = getSelectionStart(); 2580 final int end = getSelectionEnd(); 2581 if (start < 0 || end < 1) { 2582 // No selection. 2583 editable.append(pastedItem); 2584 } else if (start == end) { 2585 // Insert at position. 2586 editable.insert(start, pastedItem); 2587 } else { 2588 editable.append(pastedItem, start, end); 2589 } 2590 handlePasteAndReplace(); 2591 } 2592 } 2593 2594 mHandler.post(mAddTextWatcher); 2595 } 2596 2597 @Override 2598 public boolean onTextContextMenuItem(int id) { 2599 if (id == android.R.id.paste) { 2600 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2601 Context.CLIPBOARD_SERVICE); 2602 handlePasteClip(clipboard.getPrimaryClip()); 2603 return true; 2604 } 2605 return super.onTextContextMenuItem(id); 2606 } 2607 2608 private void handlePasteAndReplace() { 2609 ArrayList<DrawableRecipientChip> created = handlePaste(); 2610 if (created != null && created.size() > 0) { 2611 // Perform reverse lookups on the pasted contacts. 2612 IndividualReplacementTask replace = new IndividualReplacementTask(); 2613 replace.execute(created); 2614 } 2615 } 2616 2617 // Visible for testing. 2618 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2619 String text = getText().toString(); 2620 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2621 String lastAddress = text.substring(originalTokenStart); 2622 int tokenStart = originalTokenStart; 2623 int prevTokenStart = 0; 2624 DrawableRecipientChip findChip = null; 2625 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2626 if (tokenStart != 0) { 2627 // There are things before this! 2628 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2629 prevTokenStart = tokenStart; 2630 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2631 findChip = findChip(tokenStart); 2632 if (tokenStart == originalTokenStart && findChip == null) { 2633 break; 2634 } 2635 } 2636 if (tokenStart != originalTokenStart) { 2637 if (findChip != null) { 2638 tokenStart = prevTokenStart; 2639 } 2640 int tokenEnd; 2641 DrawableRecipientChip createdChip; 2642 while (tokenStart < originalTokenStart) { 2643 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2644 tokenStart)); 2645 commitChip(tokenStart, tokenEnd, getText()); 2646 createdChip = findChip(tokenStart); 2647 if (createdChip == null) { 2648 break; 2649 } 2650 // +1 for the space at the end. 2651 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2652 created.add(createdChip); 2653 } 2654 } 2655 } 2656 // Take a look at the last token. If the token has been completed with a 2657 // commit character, create a chip. 2658 if (isCompletedToken(lastAddress)) { 2659 Editable editable = getText(); 2660 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2661 commitChip(tokenStart, editable.length(), editable); 2662 created.add(findChip(tokenStart)); 2663 } 2664 return created; 2665 } 2666 2667 // Visible for testing. 2668 /* package */int movePastTerminators(int tokenEnd) { 2669 if (tokenEnd >= length()) { 2670 return tokenEnd; 2671 } 2672 char atEnd = getText().toString().charAt(tokenEnd); 2673 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2674 tokenEnd++; 2675 } 2676 // This token had not only an end token character, but also a space 2677 // separating it from the next token. 2678 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2679 tokenEnd++; 2680 } 2681 return tokenEnd; 2682 } 2683 2684 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2685 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2686 try { 2687 if (mNoChips) { 2688 return null; 2689 } 2690 return constructChipSpan(entry, false); 2691 } catch (NullPointerException e) { 2692 Log.e(TAG, e.getMessage(), e); 2693 return null; 2694 } 2695 } 2696 2697 @Override 2698 protected void onPreExecute() { 2699 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2700 // replaced 2701 final List<DrawableRecipientChip> originalRecipients = 2702 new ArrayList<DrawableRecipientChip>(); 2703 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2704 for (int i = 0; i < existingChips.length; i++) { 2705 originalRecipients.add(existingChips[i]); 2706 } 2707 if (mRemovedSpans != null) { 2708 originalRecipients.addAll(mRemovedSpans); 2709 } 2710 2711 final List<DrawableRecipientChip> replacements = 2712 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2713 2714 for (final DrawableRecipientChip chip : originalRecipients) { 2715 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2716 && getSpannable().getSpanStart(chip) != -1) { 2717 replacements.add(createFreeChip(chip.getEntry())); 2718 } else { 2719 replacements.add(null); 2720 } 2721 } 2722 2723 processReplacements(originalRecipients, replacements); 2724 } 2725 2726 @Override 2727 protected Void doInBackground(Void... params) { 2728 if (mIndividualReplacements != null) { 2729 mIndividualReplacements.cancel(true); 2730 } 2731 // For each chip in the list, look up the matching contact. 2732 // If there is a match, replace that chip with the matching 2733 // chip. 2734 final ArrayList<DrawableRecipientChip> recipients = 2735 new ArrayList<DrawableRecipientChip>(); 2736 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2737 for (int i = 0; i < existingChips.length; i++) { 2738 recipients.add(existingChips[i]); 2739 } 2740 if (mRemovedSpans != null) { 2741 recipients.addAll(mRemovedSpans); 2742 } 2743 ArrayList<String> addresses = new ArrayList<String>(); 2744 DrawableRecipientChip chip; 2745 for (int i = 0; i < recipients.size(); i++) { 2746 chip = recipients.get(i); 2747 if (chip != null) { 2748 addresses.add(createAddressText(chip.getEntry())); 2749 } 2750 } 2751 final BaseRecipientAdapter adapter = getAdapter(); 2752 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2753 @Override 2754 public void matchesFound(Map<String, RecipientEntry> entries) { 2755 final ArrayList<DrawableRecipientChip> replacements = 2756 new ArrayList<DrawableRecipientChip>(); 2757 for (final DrawableRecipientChip temp : recipients) { 2758 RecipientEntry entry = null; 2759 if (temp != null && RecipientEntry.isCreatedRecipient( 2760 temp.getEntry().getContactId()) 2761 && getSpannable().getSpanStart(temp) != -1) { 2762 // Replace this. 2763 entry = createValidatedEntry( 2764 entries.get(tokenizeAddress(temp.getEntry() 2765 .getDestination()))); 2766 } 2767 if (entry != null) { 2768 replacements.add(createFreeChip(entry)); 2769 } else { 2770 replacements.add(null); 2771 } 2772 } 2773 processReplacements(recipients, replacements); 2774 } 2775 2776 @Override 2777 public void matchesNotFound(final Set<String> unfoundAddresses) { 2778 final List<DrawableRecipientChip> replacements = 2779 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2780 2781 for (final DrawableRecipientChip temp : recipients) { 2782 if (temp != null && RecipientEntry.isCreatedRecipient( 2783 temp.getEntry().getContactId()) 2784 && getSpannable().getSpanStart(temp) != -1) { 2785 if (unfoundAddresses.contains( 2786 temp.getEntry().getDestination())) { 2787 replacements.add(createFreeChip(temp.getEntry())); 2788 } else { 2789 replacements.add(null); 2790 } 2791 } else { 2792 replacements.add(null); 2793 } 2794 } 2795 2796 processReplacements(recipients, replacements); 2797 } 2798 }); 2799 return null; 2800 } 2801 2802 private void processReplacements(final List<DrawableRecipientChip> recipients, 2803 final List<DrawableRecipientChip> replacements) { 2804 if (replacements != null && replacements.size() > 0) { 2805 final Runnable runnable = new Runnable() { 2806 @Override 2807 public void run() { 2808 final Editable text = new SpannableStringBuilder(getText()); 2809 int i = 0; 2810 for (final DrawableRecipientChip chip : recipients) { 2811 final DrawableRecipientChip replacement = replacements.get(i); 2812 if (replacement != null) { 2813 final RecipientEntry oldEntry = chip.getEntry(); 2814 final RecipientEntry newEntry = replacement.getEntry(); 2815 final boolean isBetter = 2816 RecipientAlternatesAdapter.getBetterRecipient( 2817 oldEntry, newEntry) == newEntry; 2818 2819 if (isBetter) { 2820 // Find the location of the chip in the text currently shown. 2821 final int start = text.getSpanStart(chip); 2822 if (start != -1) { 2823 // Replacing the entirety of what the chip represented, 2824 // including the extra space dividing it from other chips. 2825 final int end = 2826 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2827 text.removeSpan(chip); 2828 // Make sure we always have just 1 space at the end to 2829 // separate this chip from the next chip. 2830 final SpannableString displayText = 2831 new SpannableString(createAddressText( 2832 replacement.getEntry()).trim() + " "); 2833 displayText.setSpan(replacement, 0, 2834 displayText.length() - 1, 2835 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2836 // Replace the old text we found with with the new display 2837 // text, which now may also contain the display name of the 2838 // recipient. 2839 text.replace(start, end, displayText); 2840 replacement.setOriginalText(displayText.toString()); 2841 replacements.set(i, null); 2842 2843 recipients.set(i, replacement); 2844 } 2845 } 2846 } 2847 i++; 2848 } 2849 setText(text); 2850 } 2851 }; 2852 2853 if (Looper.myLooper() == Looper.getMainLooper()) { 2854 runnable.run(); 2855 } else { 2856 mHandler.post(runnable); 2857 } 2858 } 2859 } 2860 } 2861 2862 private class IndividualReplacementTask 2863 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2864 @Override 2865 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2866 // For each chip in the list, look up the matching contact. 2867 // If there is a match, replace that chip with the matching 2868 // chip. 2869 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2870 ArrayList<String> addresses = new ArrayList<String>(); 2871 DrawableRecipientChip chip; 2872 for (int i = 0; i < originalRecipients.size(); i++) { 2873 chip = originalRecipients.get(i); 2874 if (chip != null) { 2875 addresses.add(createAddressText(chip.getEntry())); 2876 } 2877 } 2878 final BaseRecipientAdapter adapter = getAdapter(); 2879 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2880 2881 @Override 2882 public void matchesFound(Map<String, RecipientEntry> entries) { 2883 for (final DrawableRecipientChip temp : originalRecipients) { 2884 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2885 .getContactId()) 2886 && getSpannable().getSpanStart(temp) != -1) { 2887 // Replace this. 2888 final RecipientEntry entry = createValidatedEntry(entries 2889 .get(tokenizeAddress(temp.getEntry().getDestination()) 2890 .toLowerCase())); 2891 if (entry != null) { 2892 mHandler.post(new Runnable() { 2893 @Override 2894 public void run() { 2895 replaceChip(temp, entry); 2896 } 2897 }); 2898 } 2899 } 2900 } 2901 } 2902 2903 @Override 2904 public void matchesNotFound(final Set<String> unfoundAddresses) { 2905 // No action required 2906 } 2907 }); 2908 return null; 2909 } 2910 } 2911 2912 2913 /** 2914 * MoreImageSpan is a simple class created for tracking the existence of a 2915 * more chip across activity restarts/ 2916 */ 2917 private class MoreImageSpan extends ReplacementDrawableSpan { 2918 public MoreImageSpan(Drawable b) { 2919 super(b); 2920 setExtraMargin(mLineSpacingExtra); 2921 } 2922 } 2923 2924 @Override 2925 public boolean onDown(MotionEvent e) { 2926 return false; 2927 } 2928 2929 @Override 2930 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2931 // Do nothing. 2932 return false; 2933 } 2934 2935 @Override 2936 public void onLongPress(MotionEvent event) { 2937 if (mSelectedChip != null) { 2938 return; 2939 } 2940 float x = event.getX(); 2941 float y = event.getY(); 2942 final int offset = putOffsetInRange(x, y); 2943 DrawableRecipientChip currentChip = findChip(offset); 2944 if (currentChip != null) { 2945 if (mDragEnabled) { 2946 // Start drag-and-drop for the selected chip. 2947 startDrag(currentChip); 2948 } else { 2949 // Copy the selected chip email address. 2950 showCopyDialog(currentChip.getEntry().getDestination()); 2951 } 2952 } 2953 } 2954 2955 // The following methods are used to provide some functionality on older versions of Android 2956 // These methods were copied out of JB MR2's TextView 2957 ///////////////////////////////////////////////// 2958 private int supportGetOffsetForPosition(float x, float y) { 2959 if (getLayout() == null) return -1; 2960 final int line = supportGetLineAtCoordinate(y); 2961 final int offset = supportGetOffsetAtCoordinate(line, x); 2962 return offset; 2963 } 2964 2965 private float supportConvertToLocalHorizontalCoordinate(float x) { 2966 x -= getTotalPaddingLeft(); 2967 // Clamp the position to inside of the view. 2968 x = Math.max(0.0f, x); 2969 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2970 x += getScrollX(); 2971 return x; 2972 } 2973 2974 private int supportGetLineAtCoordinate(float y) { 2975 y -= getTotalPaddingLeft(); 2976 // Clamp the position to inside of the view. 2977 y = Math.max(0.0f, y); 2978 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2979 y += getScrollY(); 2980 return getLayout().getLineForVertical((int) y); 2981 } 2982 2983 private int supportGetOffsetAtCoordinate(int line, float x) { 2984 x = supportConvertToLocalHorizontalCoordinate(x); 2985 return getLayout().getOffsetForHorizontal(line, x); 2986 } 2987 ///////////////////////////////////////////////// 2988 2989 /** 2990 * Enables drag-and-drop for chips. 2991 */ 2992 public void enableDrag() { 2993 mDragEnabled = true; 2994 } 2995 2996 /** 2997 * Starts drag-and-drop for the selected chip. 2998 */ 2999 private void startDrag(DrawableRecipientChip currentChip) { 3000 String address = currentChip.getEntry().getDestination(); 3001 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 3002 3003 // Start drag mode. 3004 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 3005 3006 // Remove the current chip, so drag-and-drop will result in a move. 3007 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3008 removeChip(currentChip); 3009 } 3010 3011 /** 3012 * Handles drag event. 3013 */ 3014 @Override 3015 public boolean onDragEvent(DragEvent event) { 3016 switch (event.getAction()) { 3017 case DragEvent.ACTION_DRAG_STARTED: 3018 // Only handle plain text drag and drop. 3019 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3020 case DragEvent.ACTION_DRAG_ENTERED: 3021 requestFocus(); 3022 return true; 3023 case DragEvent.ACTION_DROP: 3024 handlePasteClip(event.getClipData()); 3025 return true; 3026 } 3027 return false; 3028 } 3029 3030 /** 3031 * Drag shadow for a {@link DrawableRecipientChip}. 3032 */ 3033 private final class RecipientChipShadow extends DragShadowBuilder { 3034 private final DrawableRecipientChip mChip; 3035 3036 public RecipientChipShadow(DrawableRecipientChip chip) { 3037 mChip = chip; 3038 } 3039 3040 @Override 3041 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3042 Rect rect = mChip.getBounds(); 3043 shadowSize.set(rect.width(), rect.height()); 3044 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3045 } 3046 3047 @Override 3048 public void onDrawShadow(Canvas canvas) { 3049 mChip.draw(canvas); 3050 } 3051 } 3052 3053 private void showCopyDialog(final String address) { 3054 if (!mAttachedToWindow) { 3055 return; 3056 } 3057 mCopyAddress = address; 3058 mCopyDialog.setTitle(address); 3059 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3060 mCopyDialog.setCancelable(true); 3061 mCopyDialog.setCanceledOnTouchOutside(true); 3062 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3063 button.setOnClickListener(this); 3064 int btnTitleId; 3065 if (isPhoneQuery()) { 3066 btnTitleId = R.string.copy_number; 3067 } else { 3068 btnTitleId = R.string.copy_email; 3069 } 3070 String buttonTitle = getContext().getResources().getString(btnTitleId); 3071 button.setText(buttonTitle); 3072 mCopyDialog.setOnDismissListener(this); 3073 mCopyDialog.show(); 3074 } 3075 3076 @Override 3077 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3078 // Do nothing. 3079 return false; 3080 } 3081 3082 @Override 3083 public void onShowPress(MotionEvent e) { 3084 // Do nothing. 3085 } 3086 3087 @Override 3088 public boolean onSingleTapUp(MotionEvent e) { 3089 // Do nothing. 3090 return false; 3091 } 3092 3093 @Override 3094 public void onDismiss(DialogInterface dialog) { 3095 mCopyAddress = null; 3096 } 3097 3098 @Override 3099 public void onClick(View v) { 3100 // Copy this to the clipboard. 3101 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3102 Context.CLIPBOARD_SERVICE); 3103 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3104 mCopyDialog.dismiss(); 3105 } 3106 3107 protected boolean isPhoneQuery() { 3108 return getAdapter() != null 3109 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3110 } 3111 3112 @Override 3113 public BaseRecipientAdapter getAdapter() { 3114 return (BaseRecipientAdapter) super.getAdapter(); 3115 } 3116 3117 /** 3118 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3119 * unfinished text at the end. 3120 */ 3121 public void appendRecipientEntry(final RecipientEntry entry) { 3122 clearComposingText(); 3123 3124 final Editable editable = getText(); 3125 int chipInsertionPoint = 0; 3126 3127 // Find the end of last chip and see if there's any unchipified text. 3128 final DrawableRecipientChip[] recips = getSortedRecipients(); 3129 if (recips != null && recips.length > 0) { 3130 final DrawableRecipientChip last = recips[recips.length - 1]; 3131 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3132 // the insertion point will be kept untouched. 3133 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3134 } 3135 3136 final CharSequence chip = createChip(entry, false); 3137 if (chip != null) { 3138 editable.insert(chipInsertionPoint, chip); 3139 } 3140 } 3141 3142 /** 3143 * Remove all chips matching the given RecipientEntry. 3144 */ 3145 public void removeRecipientEntry(final RecipientEntry entry) { 3146 final DrawableRecipientChip[] recips = getText() 3147 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3148 3149 for (final DrawableRecipientChip recipient : recips) { 3150 final RecipientEntry existingEntry = recipient.getEntry(); 3151 if (existingEntry != null && existingEntry.isValid() && 3152 existingEntry.isSamePerson(entry)) { 3153 removeChip(recipient); 3154 } 3155 } 3156 } 3157 3158 public void setAlternatePopupAnchor(View v) { 3159 mAlternatePopupAnchor = v; 3160 } 3161 3162 private static class ChipBitmapContainer { 3163 Bitmap bitmap; 3164 // information used for positioning the loaded icon 3165 boolean loadIcon = true; 3166 float left; 3167 float top; 3168 float right; 3169 float bottom; 3170 } 3171} 3172