RecipientEditTextView.java revision 8f4326a7a29664a49c92292e2466975924e77d1e
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 } 344 345 @Override 346 protected void onAttachedToWindow() { 347 super.onAttachedToWindow(); 348 mAttachedToWindow = true; 349 350 final int anchorId = getDropDownAnchor(); 351 if (anchorId != View.NO_ID) { 352 mDropdownAnchor = getRootView().findViewById(anchorId); 353 } 354 } 355 356 @Override 357 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 358 if (action == EditorInfo.IME_ACTION_DONE) { 359 if (commitDefault()) { 360 return true; 361 } 362 if (mSelectedChip != null) { 363 clearSelectedChip(); 364 return true; 365 } else if (focusNext()) { 366 return true; 367 } 368 } 369 return false; 370 } 371 372 @Override 373 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 374 InputConnection connection = super.onCreateInputConnection(outAttrs); 375 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 376 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 377 // clear the existing action 378 outAttrs.imeOptions ^= imeActions; 379 // set the DONE action 380 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 381 } 382 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 383 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 384 } 385 386 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 387 388 // Custom action labels are discouraged in L; a checkmark icon is shown in place of the 389 // custom text in this case. 390 outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? null : 391 getContext().getString(R.string.action_label); 392 return connection; 393 } 394 395 /*package*/ DrawableRecipientChip getLastChip() { 396 DrawableRecipientChip last = null; 397 DrawableRecipientChip[] chips = getSortedRecipients(); 398 if (chips != null && chips.length > 0) { 399 last = chips[chips.length - 1]; 400 } 401 return last; 402 } 403 404 /** 405 * @return The list of {@link RecipientEntry}s that have been selected by the user. 406 */ 407 public List<RecipientEntry> getSelectedRecipients() { 408 DrawableRecipientChip[] chips = 409 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 410 List<RecipientEntry> results = new ArrayList(); 411 if (chips == null) { 412 return results; 413 } 414 415 for (DrawableRecipientChip c : chips) { 416 results.add(c.getEntry()); 417 } 418 419 return results; 420 } 421 422 @Override 423 public void onSelectionChanged(int start, int end) { 424 // When selection changes, see if it is inside the chips area. 425 // If so, move the cursor back after the chips again. 426 DrawableRecipientChip last = getLastChip(); 427 if (last != null && start < getSpannable().getSpanEnd(last)) { 428 // Grab the last chip and set the cursor to after it. 429 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 430 } 431 super.onSelectionChanged(start, end); 432 } 433 434 @Override 435 public void onRestoreInstanceState(Parcelable state) { 436 if (!TextUtils.isEmpty(getText())) { 437 super.onRestoreInstanceState(null); 438 } else { 439 super.onRestoreInstanceState(state); 440 } 441 } 442 443 @Override 444 public Parcelable onSaveInstanceState() { 445 // If the user changes orientation while they are editing, just roll back the selection. 446 clearSelectedChip(); 447 return super.onSaveInstanceState(); 448 } 449 450 /** 451 * Convenience method: Append the specified text slice to the TextView's 452 * display buffer, upgrading it to BufferType.EDITABLE if it was 453 * not already editable. Commas are excluded as they are added automatically 454 * by the view. 455 */ 456 @Override 457 public void append(CharSequence text, int start, int end) { 458 // We don't care about watching text changes while appending. 459 if (mTextWatcher != null) { 460 removeTextChangedListener(mTextWatcher); 461 } 462 super.append(text, start, end); 463 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 464 String displayString = text.toString(); 465 466 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 467 // We have no separator, so we should add it 468 super.append(SEPARATOR, 0, SEPARATOR.length()); 469 displayString += SEPARATOR; 470 } 471 472 if (!TextUtils.isEmpty(displayString) 473 && TextUtils.getTrimmedLength(displayString) > 0) { 474 mPendingChipsCount++; 475 mPendingChips.add(displayString); 476 } 477 } 478 // Put a message on the queue to make sure we ALWAYS handle pending 479 // chips. 480 if (mPendingChipsCount > 0) { 481 postHandlePendingChips(); 482 } 483 mHandler.post(mAddTextWatcher); 484 } 485 486 @Override 487 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 488 super.onFocusChanged(hasFocus, direction, previous); 489 if (!hasFocus) { 490 shrink(); 491 } else { 492 expand(); 493 } 494 } 495 496 @Override 497 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 498 super.setAdapter(adapter); 499 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 500 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 501 @Override 502 public void onChanged(List<RecipientEntry> entries) { 503 // Scroll the chips field to the top of the screen so 504 // that the user can see as many results as possible. 505 if (entries != null && entries.size() > 0) { 506 scrollBottomIntoView(); 507 // Here the current suggestion count is still the old one since we update 508 // the count at the bottom of this function. 509 if (mCurrentSuggestionCount == 0) { 510 // Announce the new number of possible choices for accessibility. 511 announceForAccessibilityCompat(getContext().getString( 512 R.string.accessbility_suggestion_dropdown_opened)); 513 } 514 } 515 516 // Set the dropdown height to be the remaining height from the anchor to the bottom. 517 mDropdownAnchor.getLocationInWindow(mCoords); 518 getWindowVisibleDisplayFrame(mRect); 519 setDropDownHeight(mRect.bottom - mCoords[1] - mDropdownAnchor.getHeight()); 520 521 mCurrentSuggestionCount = entries == null ? 0 : entries.size(); 522 } 523 }); 524 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 525 } 526 527 private void announceForAccessibilityCompat(String text) { 528 if (mIsAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 529 final ViewParent parent = getParent(); 530 if (parent != null) { 531 AccessibilityEvent event = AccessibilityEvent.obtain( 532 AccessibilityEvent.TYPE_ANNOUNCEMENT); 533 onInitializeAccessibilityEvent(event); 534 event.getText().add(text); 535 event.setContentDescription(null); 536 parent.requestSendAccessibilityEvent(this, event); 537 } 538 } 539 } 540 541 protected void scrollBottomIntoView() { 542 if (mScrollView != null && mShouldShrink) { 543 getLocationInWindow(mCoords); 544 // Desired position shows at least 1 line of chips below the action 545 // bar. We add excess padding to make sure this is always below other 546 // content. 547 final int height = getHeight(); 548 final int currentPos = mCoords[1] + height; 549 mScrollView.getLocationInWindow(mCoords); 550 final int desiredPos = mCoords[1] + height / getLineCount(); 551 if (currentPos > desiredPos) { 552 mScrollView.scrollBy(0, currentPos - desiredPos); 553 } 554 } 555 } 556 557 protected ScrollView getScrollView() { 558 return mScrollView; 559 } 560 561 @Override 562 public void performValidation() { 563 // Do nothing. Chips handles its own validation. 564 } 565 566 private void shrink() { 567 if (mTokenizer == null) { 568 return; 569 } 570 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 571 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 572 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 573 clearSelectedChip(); 574 } else { 575 if (getWidth() <= 0) { 576 // We don't have the width yet which means the view hasn't been drawn yet 577 // and there is no reason to attempt to commit chips yet. 578 // This focus lost must be the result of an orientation change 579 // or an initial rendering. 580 // Re-post the shrink for later. 581 mHandler.removeCallbacks(mDelayedShrink); 582 mHandler.post(mDelayedShrink); 583 return; 584 } 585 // Reset any pending chips as they would have been handled 586 // when the field lost focus. 587 if (mPendingChipsCount > 0) { 588 postHandlePendingChips(); 589 } else { 590 Editable editable = getText(); 591 int end = getSelectionEnd(); 592 int start = mTokenizer.findTokenStart(editable, end); 593 DrawableRecipientChip[] chips = 594 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 595 if ((chips == null || chips.length == 0)) { 596 Editable text = getText(); 597 int whatEnd = mTokenizer.findTokenEnd(text, start); 598 // This token was already tokenized, so skip past the ending token. 599 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 600 whatEnd = movePastTerminators(whatEnd); 601 } 602 // In the middle of chip; treat this as an edit 603 // and commit the whole token. 604 int selEnd = getSelectionEnd(); 605 if (whatEnd != selEnd) { 606 handleEdit(start, whatEnd); 607 } else { 608 commitChip(start, end, editable); 609 } 610 } 611 } 612 mHandler.post(mAddTextWatcher); 613 } 614 createMoreChip(); 615 } 616 617 private void expand() { 618 if (mShouldShrink) { 619 setMaxLines(Integer.MAX_VALUE); 620 } 621 removeMoreChip(); 622 setCursorVisible(true); 623 Editable text = getText(); 624 setSelection(text != null && text.length() > 0 ? text.length() : 0); 625 // If there are any temporary chips, try replacing them now that the user 626 // has expanded the field. 627 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 628 new RecipientReplacementTask().execute(); 629 mTemporaryRecipients = null; 630 } 631 } 632 633 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 634 paint.setTextSize(mChipFontSize); 635 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 636 Log.d(TAG, "Max width is negative: " + maxWidth); 637 } 638 return TextUtils.ellipsize(text, paint, maxWidth, 639 TextUtils.TruncateAt.END); 640 } 641 642 /** 643 * Creates a bitmap of the given contact on a selected chip. 644 * 645 * @param contact The recipient entry to pull data from. 646 * @param paint The paint to use to draw the bitmap. 647 */ 648 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 649 paint.setColor(sSelectedTextColor); 650 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 651 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 652 653 if (bitmapContainer.loadIcon) { 654 loadAvatarIcon(contact, bitmapContainer); 655 } 656 657 return bitmapContainer.bitmap; 658 } 659 660 /** 661 * Creates a bitmap of the given contact on a selected chip. 662 * 663 * @param contact The recipient entry to pull data from. 664 * @param paint The paint to use to draw the bitmap. 665 */ 666 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 667 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 668 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 669 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 670 671 if (bitmapContainer.loadIcon) { 672 loadAvatarIcon(contact, bitmapContainer); 673 } 674 return bitmapContainer.bitmap; 675 } 676 677 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 678 Drawable overrideBackgroundDrawable, int backgroundColor) { 679 final ChipBitmapContainer result = new ChipBitmapContainer(); 680 681 Rect backgroundPadding = new Rect(); 682 if (overrideBackgroundDrawable != null) { 683 overrideBackgroundDrawable.getPadding(backgroundPadding); 684 } 685 686 // Ellipsize the text so that it takes AT MOST the entire width of the 687 // autocomplete text entry area. Make sure to leave space for padding 688 // on the sides. 689 int height = (int) mChipHeight; 690 // Since the icon is a square, it's width is equal to the maximum height it can be inside 691 // the chip. Don't include iconWidth for invalid contacts. 692 int iconWidth = contact.isValid() ? 693 height - backgroundPadding.top - backgroundPadding.bottom : 0; 694 float[] widths = new float[1]; 695 paint.getTextWidths(" ", widths); 696 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 697 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 698 - backgroundPadding.right); 699 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 700 701 // Chip start padding is the same as the end padding if there is no contact image. 702 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 703 // Make sure there is a minimum chip width so the user can ALWAYS 704 // tap a chip without difficulty. 705 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 706 + iconWidth + backgroundPadding.left + backgroundPadding.right); 707 708 // Create the background of the chip. 709 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 710 final Canvas canvas = new Canvas(result.bitmap); 711 712 // Check if the background drawable is set via attr 713 if (overrideBackgroundDrawable != null) { 714 overrideBackgroundDrawable.setBounds(0, 0, width, height); 715 overrideBackgroundDrawable.draw(canvas); 716 } else { 717 // Draw the default chip background 718 mWorkPaint.reset(); 719 mWorkPaint.setColor(backgroundColor); 720 final float radius = height / 2; 721 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 722 mWorkPaint); 723 } 724 725 // Draw the text vertically aligned 726 int textX = shouldPositionAvatarOnRight() ? 727 mChipTextEndPadding + backgroundPadding.left : 728 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 729 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 730 textX, getTextYOffset(height), paint); 731 732 // Set the variables that are needed to draw the icon bitmap once it's loaded 733 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 734 backgroundPadding.left; 735 result.left = iconX; 736 result.top = backgroundPadding.top; 737 result.right = iconX + iconWidth; 738 result.bottom = height - backgroundPadding.bottom; 739 740 return result; 741 } 742 743 /** 744 * Helper function that draws the loaded icon bitmap into the chips bitmap 745 */ 746 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 747 final Canvas canvas = new Canvas(bitMapResult.bitmap); 748 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 749 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 750 bitMapResult.bottom); 751 drawIconOnCanvas(icon, canvas, src, dst); 752 } 753 754 /** 755 * Returns true if the avatar should be positioned at the right edge of the chip. 756 * Takes into account both the set avatar position (start or end) as well as whether 757 * the layout direction is LTR or RTL. 758 */ 759 private boolean shouldPositionAvatarOnRight() { 760 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 761 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 762 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 763 // If in Rtl mode, the position should be flipped. 764 return isRtl ? !assignedPosition : assignedPosition; 765 } 766 767 /** 768 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 769 * draw an icon for this recipient. 770 */ 771 private void loadAvatarIcon(final RecipientEntry contact, 772 final ChipBitmapContainer bitmapContainer) { 773 // Don't draw photos for recipients that have been typed in OR generated on the fly. 774 long contactId = contact.getContactId(); 775 boolean drawPhotos = isPhoneQuery() ? 776 contactId != RecipientEntry.INVALID_CONTACT 777 : (contactId != RecipientEntry.INVALID_CONTACT 778 && contactId != RecipientEntry.GENERATED_CONTACT); 779 780 if (drawPhotos) { 781 final byte[] origPhotoBytes = contact.getPhotoBytes(); 782 // There may not be a photo yet if anything but the first contact address 783 // was selected. 784 if (origPhotoBytes == null) { 785 // TODO: cache this in the recipient entry? 786 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 787 @Override 788 public void onPhotoBytesPopulated() { 789 // Call through to the async version which will ensure 790 // proper threading. 791 onPhotoBytesAsynchronouslyPopulated(); 792 } 793 794 @Override 795 public void onPhotoBytesAsynchronouslyPopulated() { 796 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 797 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 798 loadedPhotoBytes.length); 799 tryDrawAndInvalidate(icon); 800 } 801 802 @Override 803 public void onPhotoBytesAsyncLoadFailed() { 804 // TODO: can the scaled down default photo be cached? 805 tryDrawAndInvalidate(mDefaultContactPhoto); 806 } 807 808 private void tryDrawAndInvalidate(Bitmap icon) { 809 drawIcon(bitmapContainer, icon); 810 // The caller might originated from a background task. However, if the 811 // background task has already completed, the view might be already drawn 812 // on the UI but the callback would happen on the background thread. 813 // So if we are on a background thread, post an invalidate call to the UI. 814 if (Looper.myLooper() == Looper.getMainLooper()) { 815 // The view might not redraw itself since it's loaded asynchronously 816 invalidate(); 817 } else { 818 post(new Runnable() { 819 @Override 820 public void run() { 821 invalidate(); 822 } 823 }); 824 } 825 } 826 }); 827 } else { 828 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 829 origPhotoBytes.length); 830 drawIcon(bitmapContainer, icon); 831 } 832 } 833 } 834 835 /** 836 * Get the background drawable for a RecipientChip. 837 */ 838 // Visible for testing. 839 /* package */Drawable getChipBackground(RecipientEntry contact) { 840 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 841 } 842 843 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 844 return getResources().getColor(contact.isValid() ? R.color.chip_background : 845 R.color.chip_background_invalid); 846 } 847 848 /** 849 * Given a height, returns a Y offset that will draw the text in the middle of the height. 850 */ 851 protected float getTextYOffset(int height) { 852 return height - ((height - mTextHeight) / 2); 853 } 854 855 /** 856 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 857 * rectangle of the canvas. 858 */ 859 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 860 final Matrix matrix = new Matrix(); 861 862 // Draw bitmap through shader first. 863 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 864 matrix.reset(); 865 866 // Fit bitmap to bounds. 867 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 868 869 shader.setLocalMatrix(matrix); 870 mWorkPaint.reset(); 871 mWorkPaint.setShader(shader); 872 mWorkPaint.setAntiAlias(true); 873 mWorkPaint.setFilterBitmap(true); 874 mWorkPaint.setDither(true); 875 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 876 877 // Then draw the border. 878 final float borderWidth = 1f; 879 mWorkPaint.reset(); 880 mWorkPaint.setColor(Color.TRANSPARENT); 881 mWorkPaint.setStyle(Style.STROKE); 882 mWorkPaint.setStrokeWidth(borderWidth); 883 mWorkPaint.setAntiAlias(true); 884 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 885 886 mWorkPaint.reset(); 887 } 888 889 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 890 TextPaint paint = getPaint(); 891 float defaultSize = paint.getTextSize(); 892 int defaultColor = paint.getColor(); 893 894 Bitmap tmpBitmap; 895 if (pressed) { 896 tmpBitmap = createSelectedChip(contact, paint); 897 898 } else { 899 tmpBitmap = createUnselectedChip(contact, paint); 900 } 901 902 // Pass the full text, un-ellipsized, to the chip. 903 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 904 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 905 VisibleRecipientChip recipientChip = 906 new VisibleRecipientChip(result, contact); 907 recipientChip.setExtraMargin(mLineSpacingExtra); 908 // Return text to the original size. 909 paint.setTextSize(defaultSize); 910 paint.setColor(defaultColor); 911 return recipientChip; 912 } 913 914 /** 915 * Calculate the bottom of the line the chip will be located on using: 916 * 1) which line the chip appears on 917 * 2) the height of a chip 918 * 3) padding built into the edit text view 919 */ 920 private int calculateOffsetFromBottom(int line) { 921 // Line offsets start at zero. 922 int actualLine = getLineCount() - (line + 1); 923 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 924 + getDropDownVerticalOffset(); 925 } 926 927 /** 928 * Calculate the offset from bottom of the EditText to top of the provided line. 929 */ 930 private int calculateOffsetFromBottomToTop(int line) { 931 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 932 .abs(getLineCount() - line)) + getPaddingBottom()); 933 } 934 935 /** 936 * Get the max amount of space a chip can take up. The formula takes into 937 * account the width of the EditTextView, any view padding, and padding 938 * that will be added to the chip. 939 */ 940 private float calculateAvailableWidth() { 941 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 942 - mChipTextEndPadding; 943 } 944 945 946 private void setChipDimensions(Context context, AttributeSet attrs) { 947 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 948 0); 949 Resources r = getContext().getResources(); 950 951 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 952 mChipBackgroundPressed = a 953 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 954 mInvalidChipBackground = a 955 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 956 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 957 if (mChipDelete == null) { 958 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 959 } 960 mChipTextStartPadding = mChipTextEndPadding 961 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 962 if (mChipTextStartPadding == -1) { 963 mChipTextStartPadding = mChipTextEndPadding = 964 (int) r.getDimension(R.dimen.chip_padding); 965 } 966 // xml-overrides for each individual padding 967 // TODO: add these to attr? 968 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 969 if (overridePadding >= 0) { 970 mChipTextStartPadding = overridePadding; 971 } 972 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 973 if (overridePadding >= 0) { 974 mChipTextEndPadding = overridePadding; 975 } 976 977 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 978 979 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 980 981 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 982 if (mChipHeight == -1) { 983 mChipHeight = r.getDimension(R.dimen.chip_height); 984 } 985 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 986 if (mChipFontSize == -1) { 987 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 988 } 989 mAvatarPosition = 990 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 991 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 992 993 mMaxLines = r.getInteger(R.integer.chips_max_lines); 994 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 995 996 a.recycle(); 997 } 998 999 // Visible for testing. 1000 /* package */ void setMoreItem(TextView moreItem) { 1001 mMoreItem = moreItem; 1002 } 1003 1004 1005 // Visible for testing. 1006 /* package */ void setChipBackground(Drawable chipBackground) { 1007 mChipBackground = chipBackground; 1008 } 1009 1010 // Visible for testing. 1011 /* package */ void setChipHeight(int height) { 1012 mChipHeight = height; 1013 } 1014 1015 public float getChipHeight() { 1016 return mChipHeight; 1017 } 1018 1019 /** 1020 * Set whether to shrink the recipients field such that at most 1021 * one line of recipients chips are shown when the field loses 1022 * focus. By default, the number of displayed recipients will be 1023 * limited and a "more" chip will be shown when focus is lost. 1024 * @param shrink 1025 */ 1026 public void setOnFocusListShrinkRecipients(boolean shrink) { 1027 mShouldShrink = shrink; 1028 } 1029 1030 @Override 1031 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1032 super.onSizeChanged(width, height, oldw, oldh); 1033 if (width != 0 && height != 0) { 1034 if (mPendingChipsCount > 0) { 1035 postHandlePendingChips(); 1036 } else { 1037 checkChipWidths(); 1038 } 1039 } 1040 // Try to find the scroll view parent, if it exists. 1041 if (mScrollView == null && !mTriedGettingScrollView) { 1042 ViewParent parent = getParent(); 1043 while (parent != null && !(parent instanceof ScrollView)) { 1044 parent = parent.getParent(); 1045 } 1046 if (parent != null) { 1047 mScrollView = (ScrollView) parent; 1048 } 1049 mTriedGettingScrollView = true; 1050 } 1051 } 1052 1053 private void postHandlePendingChips() { 1054 mHandler.removeCallbacks(mHandlePendingChips); 1055 mHandler.post(mHandlePendingChips); 1056 } 1057 1058 private void checkChipWidths() { 1059 // Check the widths of the associated chips. 1060 DrawableRecipientChip[] chips = getSortedRecipients(); 1061 if (chips != null) { 1062 Rect bounds; 1063 for (DrawableRecipientChip chip : chips) { 1064 bounds = chip.getBounds(); 1065 if (getWidth() > 0 && bounds.right - bounds.left > 1066 getWidth() - getPaddingLeft() - getPaddingRight()) { 1067 // Need to redraw that chip. 1068 replaceChip(chip, chip.getEntry()); 1069 } 1070 } 1071 } 1072 } 1073 1074 // Visible for testing. 1075 /*package*/ void handlePendingChips() { 1076 if (getViewWidth() <= 0) { 1077 // The widget has not been sized yet. 1078 // This will be called as a result of onSizeChanged 1079 // at a later point. 1080 return; 1081 } 1082 if (mPendingChipsCount <= 0) { 1083 return; 1084 } 1085 1086 synchronized (mPendingChips) { 1087 Editable editable = getText(); 1088 // Tokenize! 1089 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1090 for (int i = 0; i < mPendingChips.size(); i++) { 1091 String current = mPendingChips.get(i); 1092 int tokenStart = editable.toString().indexOf(current); 1093 // Always leave a space at the end between tokens. 1094 int tokenEnd = tokenStart + current.length() - 1; 1095 if (tokenStart >= 0) { 1096 // When we have a valid token, include it with the token 1097 // to the left. 1098 if (tokenEnd < editable.length() - 2 1099 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1100 tokenEnd++; 1101 } 1102 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1103 || !mShouldShrink); 1104 } 1105 mPendingChipsCount--; 1106 } 1107 sanitizeEnd(); 1108 } else { 1109 mNoChips = true; 1110 } 1111 1112 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1113 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1114 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1115 new RecipientReplacementTask().execute(); 1116 mTemporaryRecipients = null; 1117 } else { 1118 // Create the "more" chip 1119 mIndividualReplacements = new IndividualReplacementTask(); 1120 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1121 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1122 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1123 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1124 mTemporaryRecipients.subList(CHIP_LIMIT, 1125 mTemporaryRecipients.size())); 1126 } else { 1127 mTemporaryRecipients = null; 1128 } 1129 createMoreChip(); 1130 } 1131 } else { 1132 // There are too many recipients to look up, so just fall back 1133 // to showing addresses for all of them. 1134 mTemporaryRecipients = null; 1135 createMoreChip(); 1136 } 1137 mPendingChipsCount = 0; 1138 mPendingChips.clear(); 1139 } 1140 } 1141 1142 // Visible for testing. 1143 /*package*/ int getViewWidth() { 1144 return getWidth(); 1145 } 1146 1147 /** 1148 * Remove any characters after the last valid chip. 1149 */ 1150 // Visible for testing. 1151 /*package*/ void sanitizeEnd() { 1152 // Don't sanitize while we are waiting for pending chips to complete. 1153 if (mPendingChipsCount > 0) { 1154 return; 1155 } 1156 // Find the last chip; eliminate any commit characters after it. 1157 DrawableRecipientChip[] chips = getSortedRecipients(); 1158 Spannable spannable = getSpannable(); 1159 if (chips != null && chips.length > 0) { 1160 int end; 1161 mMoreChip = getMoreChip(); 1162 if (mMoreChip != null) { 1163 end = spannable.getSpanEnd(mMoreChip); 1164 } else { 1165 end = getSpannable().getSpanEnd(getLastChip()); 1166 } 1167 Editable editable = getText(); 1168 int length = editable.length(); 1169 if (length > end) { 1170 // See what characters occur after that and eliminate them. 1171 if (Log.isLoggable(TAG, Log.DEBUG)) { 1172 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1173 + editable); 1174 } 1175 editable.delete(end + 1, length); 1176 } 1177 } 1178 } 1179 1180 /** 1181 * Create a chip that represents just the email address of a recipient. At some later 1182 * point, this chip will be attached to a real contact entry, if one exists. 1183 */ 1184 // VisibleForTesting 1185 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1186 boolean visible) { 1187 if (alreadyHasChip(tokenStart, tokenEnd)) { 1188 // There is already a chip present at this location. 1189 // Don't recreate it. 1190 return; 1191 } 1192 String token = editable.toString().substring(tokenStart, tokenEnd); 1193 final String trimmedToken = token.trim(); 1194 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1195 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1196 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1197 } 1198 RecipientEntry entry = createTokenizedEntry(token); 1199 if (entry != null) { 1200 DrawableRecipientChip chip = null; 1201 try { 1202 if (!mNoChips) { 1203 chip = visible ? 1204 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1205 } 1206 } catch (NullPointerException e) { 1207 Log.e(TAG, e.getMessage(), e); 1208 } 1209 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1210 // Add this chip to the list of entries "to replace" 1211 if (chip != null) { 1212 if (mTemporaryRecipients == null) { 1213 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1214 } 1215 chip.setOriginalText(token); 1216 mTemporaryRecipients.add(chip); 1217 } 1218 } 1219 } 1220 1221 private static boolean isPhoneNumber(String number) { 1222 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1223 // PhoneNumberUtil). One complication is that it requires the sender's region which 1224 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1225 if (TextUtils.isEmpty(number)) { 1226 return false; 1227 } 1228 1229 Matcher match = PHONE_PATTERN.matcher(number); 1230 return match.matches(); 1231 } 1232 1233 // VisibleForTesting 1234 RecipientEntry createTokenizedEntry(final String token) { 1235 if (TextUtils.isEmpty(token)) { 1236 return null; 1237 } 1238 if (isPhoneQuery() && isPhoneNumber(token)) { 1239 return RecipientEntry.constructFakePhoneEntry(token, true); 1240 } 1241 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1242 String display = null; 1243 boolean isValid = isValid(token); 1244 if (isValid && tokens != null && tokens.length > 0) { 1245 // If we can get a name from tokenizing, then generate an entry from 1246 // this. 1247 display = tokens[0].getName(); 1248 if (!TextUtils.isEmpty(display)) { 1249 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1250 isValid); 1251 } else { 1252 display = tokens[0].getAddress(); 1253 if (!TextUtils.isEmpty(display)) { 1254 return RecipientEntry.constructFakeEntry(display, isValid); 1255 } 1256 } 1257 } 1258 // Unable to validate the token or to create a valid token from it. 1259 // Just create a chip the user can edit. 1260 String validatedToken = null; 1261 if (mValidator != null && !isValid) { 1262 // Try fixing up the entry using the validator. 1263 validatedToken = mValidator.fixText(token).toString(); 1264 if (!TextUtils.isEmpty(validatedToken)) { 1265 if (validatedToken.contains(token)) { 1266 // protect against the case of a validator with a null 1267 // domain, 1268 // which doesn't add a domain to the token 1269 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1270 if (tokenized.length > 0) { 1271 validatedToken = tokenized[0].getAddress(); 1272 isValid = true; 1273 } 1274 } else { 1275 // We ran into a case where the token was invalid and 1276 // removed 1277 // by the validator. In this case, just use the original 1278 // token 1279 // and let the user sort out the error chip. 1280 validatedToken = null; 1281 isValid = false; 1282 } 1283 } 1284 } 1285 // Otherwise, fallback to just creating an editable email address chip. 1286 return RecipientEntry.constructFakeEntry( 1287 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1288 } 1289 1290 private boolean isValid(String text) { 1291 return mValidator == null ? true : mValidator.isValid(text); 1292 } 1293 1294 private static String tokenizeAddress(String destination) { 1295 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1296 if (tokens != null && tokens.length > 0) { 1297 return tokens[0].getAddress(); 1298 } 1299 return destination; 1300 } 1301 1302 @Override 1303 public void setTokenizer(Tokenizer tokenizer) { 1304 mTokenizer = tokenizer; 1305 super.setTokenizer(mTokenizer); 1306 } 1307 1308 @Override 1309 public void setValidator(Validator validator) { 1310 mValidator = validator; 1311 super.setValidator(validator); 1312 } 1313 1314 /** 1315 * We cannot use the default mechanism for replaceText. Instead, 1316 * we override onItemClickListener so we can get all the associated 1317 * contact information including display text, address, and id. 1318 */ 1319 @Override 1320 protected void replaceText(CharSequence text) { 1321 return; 1322 } 1323 1324 /** 1325 * Dismiss any selected chips when the back key is pressed. 1326 */ 1327 @Override 1328 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1329 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1330 clearSelectedChip(); 1331 return true; 1332 } 1333 return super.onKeyPreIme(keyCode, event); 1334 } 1335 1336 /** 1337 * Monitor key presses in this view to see if the user types 1338 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1339 * If the user has entered text that has contact matches and types 1340 * a commit key, create a chip from the topmost matching contact. 1341 * If the user has entered text that has no contact matches and types 1342 * a commit key, then create a chip from the text they have entered. 1343 */ 1344 @Override 1345 public boolean onKeyUp(int keyCode, KeyEvent event) { 1346 switch (keyCode) { 1347 case KeyEvent.KEYCODE_TAB: 1348 if (event.hasNoModifiers()) { 1349 if (mSelectedChip != null) { 1350 clearSelectedChip(); 1351 } else { 1352 commitDefault(); 1353 } 1354 } 1355 break; 1356 } 1357 return super.onKeyUp(keyCode, event); 1358 } 1359 1360 private boolean focusNext() { 1361 View next = focusSearch(View.FOCUS_DOWN); 1362 if (next != null) { 1363 next.requestFocus(); 1364 return true; 1365 } 1366 return false; 1367 } 1368 1369 /** 1370 * Create a chip from the default selection. If the popup is showing, the 1371 * default is the selected item (if one is selected), or the first item, in the popup 1372 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1373 * tokenizer should search for a token to turn into a chip. 1374 * @return If a chip was created from a real contact. 1375 */ 1376 private boolean commitDefault() { 1377 // If there is no tokenizer, don't try to commit. 1378 if (mTokenizer == null) { 1379 return false; 1380 } 1381 Editable editable = getText(); 1382 int end = getSelectionEnd(); 1383 int start = mTokenizer.findTokenStart(editable, end); 1384 1385 if (shouldCreateChip(start, end)) { 1386 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1387 // In the middle of chip; treat this as an edit 1388 // and commit the whole token. 1389 whatEnd = movePastTerminators(whatEnd); 1390 if (whatEnd != getSelectionEnd()) { 1391 handleEdit(start, whatEnd); 1392 return true; 1393 } 1394 return commitChip(start, end , editable); 1395 } 1396 return false; 1397 } 1398 1399 private void commitByCharacter() { 1400 // We can't possibly commit by character if we can't tokenize. 1401 if (mTokenizer == null) { 1402 return; 1403 } 1404 Editable editable = getText(); 1405 int end = getSelectionEnd(); 1406 int start = mTokenizer.findTokenStart(editable, end); 1407 if (shouldCreateChip(start, end)) { 1408 commitChip(start, end, editable); 1409 } 1410 setSelection(getText().length()); 1411 } 1412 1413 private boolean commitChip(int start, int end, Editable editable) { 1414 ListAdapter adapter = getAdapter(); 1415 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1416 && end == getSelectionEnd() && !isPhoneQuery()) { 1417 // let's choose the selected or first entry if only the input text is NOT an email 1418 // address so we won't try to replace the user's potentially correct but 1419 // new/unencountered email input 1420 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1421 final int selectedPosition = getListSelection(); 1422 if (selectedPosition == -1) { 1423 // Nothing is selected; use the first item 1424 submitItemAtPosition(0); 1425 } else { 1426 submitItemAtPosition(selectedPosition); 1427 } 1428 } 1429 dismissDropDown(); 1430 return true; 1431 } else { 1432 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1433 if (editable.length() > tokenEnd + 1) { 1434 char charAt = editable.charAt(tokenEnd + 1); 1435 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1436 tokenEnd++; 1437 } 1438 } 1439 String text = editable.toString().substring(start, tokenEnd).trim(); 1440 clearComposingText(); 1441 if (text != null && text.length() > 0 && !text.equals(" ")) { 1442 RecipientEntry entry = createTokenizedEntry(text); 1443 if (entry != null) { 1444 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1445 CharSequence chipText = createChip(entry, false); 1446 if (chipText != null && start > -1 && end > -1) { 1447 editable.replace(start, end, chipText); 1448 } 1449 } 1450 // Only dismiss the dropdown if it is related to the text we 1451 // just committed. 1452 // For paste, it may not be as there are possibly multiple 1453 // tokens being added. 1454 if (end == getSelectionEnd()) { 1455 dismissDropDown(); 1456 } 1457 sanitizeBetween(); 1458 return true; 1459 } 1460 } 1461 return false; 1462 } 1463 1464 // Visible for testing. 1465 /* package */ void sanitizeBetween() { 1466 // Don't sanitize while we are waiting for content to chipify. 1467 if (mPendingChipsCount > 0) { 1468 return; 1469 } 1470 // Find the last chip. 1471 DrawableRecipientChip[] recips = getSortedRecipients(); 1472 if (recips != null && recips.length > 0) { 1473 DrawableRecipientChip last = recips[recips.length - 1]; 1474 DrawableRecipientChip beforeLast = null; 1475 if (recips.length > 1) { 1476 beforeLast = recips[recips.length - 2]; 1477 } 1478 int startLooking = 0; 1479 int end = getSpannable().getSpanStart(last); 1480 if (beforeLast != null) { 1481 startLooking = getSpannable().getSpanEnd(beforeLast); 1482 Editable text = getText(); 1483 if (startLooking == -1 || startLooking > text.length() - 1) { 1484 // There is nothing after this chip. 1485 return; 1486 } 1487 if (text.charAt(startLooking) == ' ') { 1488 startLooking++; 1489 } 1490 } 1491 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1492 getText().delete(startLooking, end); 1493 } 1494 } 1495 } 1496 1497 private boolean shouldCreateChip(int start, int end) { 1498 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1499 } 1500 1501 private boolean alreadyHasChip(int start, int end) { 1502 if (mNoChips) { 1503 return true; 1504 } 1505 DrawableRecipientChip[] chips = 1506 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1507 if ((chips == null || chips.length == 0)) { 1508 return false; 1509 } 1510 return true; 1511 } 1512 1513 private void handleEdit(int start, int end) { 1514 if (start == -1 || end == -1) { 1515 // This chip no longer exists in the field. 1516 dismissDropDown(); 1517 return; 1518 } 1519 // This is in the middle of a chip, so select out the whole chip 1520 // and commit it. 1521 Editable editable = getText(); 1522 setSelection(end); 1523 String text = getText().toString().substring(start, end); 1524 if (!TextUtils.isEmpty(text)) { 1525 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1526 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1527 CharSequence chipText = createChip(entry, false); 1528 int selEnd = getSelectionEnd(); 1529 if (chipText != null && start > -1 && selEnd > -1) { 1530 editable.replace(start, selEnd, chipText); 1531 } 1532 } 1533 dismissDropDown(); 1534 } 1535 1536 /** 1537 * If there is a selected chip, delegate the key events 1538 * to the selected chip. 1539 */ 1540 @Override 1541 public boolean onKeyDown(int keyCode, KeyEvent event) { 1542 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1543 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1544 mAlternatesPopup.dismiss(); 1545 } 1546 removeChip(mSelectedChip); 1547 } 1548 1549 switch (keyCode) { 1550 case KeyEvent.KEYCODE_ENTER: 1551 case KeyEvent.KEYCODE_DPAD_CENTER: 1552 if (event.hasNoModifiers()) { 1553 if (commitDefault()) { 1554 return true; 1555 } 1556 if (mSelectedChip != null) { 1557 clearSelectedChip(); 1558 return true; 1559 } else if (focusNext()) { 1560 return true; 1561 } 1562 } 1563 break; 1564 } 1565 1566 return super.onKeyDown(keyCode, event); 1567 } 1568 1569 // Visible for testing. 1570 /* package */ Spannable getSpannable() { 1571 return getText(); 1572 } 1573 1574 private int getChipStart(DrawableRecipientChip chip) { 1575 return getSpannable().getSpanStart(chip); 1576 } 1577 1578 private int getChipEnd(DrawableRecipientChip chip) { 1579 return getSpannable().getSpanEnd(chip); 1580 } 1581 1582 /** 1583 * Instead of filtering on the entire contents of the edit box, 1584 * this subclass method filters on the range from 1585 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1586 * if the length of that range meets or exceeds {@link #getThreshold} 1587 * and makes sure that the range is not already a Chip. 1588 */ 1589 @Override 1590 protected void performFiltering(CharSequence text, int keyCode) { 1591 boolean isCompletedToken = isCompletedToken(text); 1592 if (enoughToFilter() && !isCompletedToken) { 1593 int end = getSelectionEnd(); 1594 int start = mTokenizer.findTokenStart(text, end); 1595 // If this is a RecipientChip, don't filter 1596 // on its contents. 1597 Spannable span = getSpannable(); 1598 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1599 if (chips != null && chips.length > 0) { 1600 dismissDropDown(); 1601 return; 1602 } 1603 } else if (isCompletedToken) { 1604 dismissDropDown(); 1605 return; 1606 } 1607 super.performFiltering(text, keyCode); 1608 } 1609 1610 // Visible for testing. 1611 /*package*/ boolean isCompletedToken(CharSequence text) { 1612 if (TextUtils.isEmpty(text)) { 1613 return false; 1614 } 1615 // Check to see if this is a completed token before filtering. 1616 int end = text.length(); 1617 int start = mTokenizer.findTokenStart(text, end); 1618 String token = text.toString().substring(start, end).trim(); 1619 if (!TextUtils.isEmpty(token)) { 1620 char atEnd = token.charAt(token.length() - 1); 1621 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1622 } 1623 return false; 1624 } 1625 1626 private void clearSelectedChip() { 1627 if (mSelectedChip != null) { 1628 unselectChip(mSelectedChip); 1629 mSelectedChip = null; 1630 } 1631 setCursorVisible(true); 1632 } 1633 1634 /** 1635 * Monitor touch events in the RecipientEditTextView. 1636 * If the view does not have focus, any tap on the view 1637 * will just focus the view. If the view has focus, determine 1638 * if the touch target is a recipient chip. If it is and the chip 1639 * is not selected, select it and clear any other selected chips. 1640 * If it isn't, then select that chip. 1641 */ 1642 @Override 1643 public boolean onTouchEvent(MotionEvent event) { 1644 if (!isFocused()) { 1645 // Ignore any chip taps until this view is focused. 1646 return super.onTouchEvent(event); 1647 } 1648 boolean handled = super.onTouchEvent(event); 1649 int action = event.getAction(); 1650 boolean chipWasSelected = false; 1651 if (mSelectedChip == null) { 1652 mGestureDetector.onTouchEvent(event); 1653 } 1654 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1655 float x = event.getX(); 1656 float y = event.getY(); 1657 int offset = putOffsetInRange(x, y); 1658 DrawableRecipientChip currentChip = findChip(offset); 1659 if (currentChip != null) { 1660 if (action == MotionEvent.ACTION_UP) { 1661 if (mSelectedChip != null && mSelectedChip != currentChip) { 1662 clearSelectedChip(); 1663 mSelectedChip = selectChip(currentChip); 1664 } else if (mSelectedChip == null) { 1665 setSelection(getText().length()); 1666 commitDefault(); 1667 mSelectedChip = selectChip(currentChip); 1668 } else { 1669 onClick(mSelectedChip); 1670 } 1671 } 1672 chipWasSelected = true; 1673 handled = true; 1674 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1675 chipWasSelected = true; 1676 } 1677 } 1678 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1679 clearSelectedChip(); 1680 } 1681 return handled; 1682 } 1683 1684 private void scrollLineIntoView(int line) { 1685 if (mScrollView != null) { 1686 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1687 } 1688 } 1689 1690 private void showAlternates(final DrawableRecipientChip currentChip, 1691 final ListPopupWindow alternatesPopup) { 1692 new AsyncTask<Void, Void, ListAdapter>() { 1693 @Override 1694 protected ListAdapter doInBackground(final Void... params) { 1695 return createAlternatesAdapter(currentChip); 1696 } 1697 1698 @Override 1699 protected void onPostExecute(final ListAdapter result) { 1700 if (!mAttachedToWindow) { 1701 return; 1702 } 1703 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1704 int bottomOffset = calculateOffsetFromBottomToTop(line); 1705 1706 // Align the alternates popup with the left side of the View, 1707 // regardless of the position of the chip tapped. 1708 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1709 mAlternatePopupAnchor : RecipientEditTextView.this); 1710 alternatesPopup.setVerticalOffset(bottomOffset); 1711 alternatesPopup.setAdapter(result); 1712 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1713 // Clear the checked item. 1714 mCheckedItem = -1; 1715 alternatesPopup.show(); 1716 ListView listView = alternatesPopup.getListView(); 1717 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1718 // Checked item would be -1 if the adapter has not 1719 // loaded the view that should be checked yet. The 1720 // variable will be set correctly when onCheckedItemChanged 1721 // is called in a separate thread. 1722 if (mCheckedItem != -1) { 1723 listView.setItemChecked(mCheckedItem, true); 1724 mCheckedItem = -1; 1725 } 1726 } 1727 }.execute((Void[]) null); 1728 } 1729 1730 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1731 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1732 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1733 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1734 constructStateListDeleteDrawable()); 1735 } 1736 1737 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1738 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1739 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1740 } 1741 1742 private StateListDrawable constructStateListDeleteDrawable() { 1743 // Construct the StateListDrawable from deleteDrawable 1744 StateListDrawable deleteDrawable = new StateListDrawable(); 1745 if (!mDisableDelete) { 1746 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1747 } 1748 deleteDrawable.addState(new int[0], null); 1749 return deleteDrawable; 1750 } 1751 1752 @Override 1753 public void onCheckedItemChanged(int position) { 1754 ListView listView = mAlternatesPopup.getListView(); 1755 if (listView != null && listView.getCheckedItemCount() == 0) { 1756 listView.setItemChecked(position, true); 1757 } 1758 mCheckedItem = position; 1759 } 1760 1761 private int putOffsetInRange(final float x, final float y) { 1762 final int offset; 1763 1764 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1765 offset = getOffsetForPosition(x, y); 1766 } else { 1767 offset = supportGetOffsetForPosition(x, y); 1768 } 1769 1770 return putOffsetInRange(offset); 1771 } 1772 1773 // TODO: This algorithm will need a lot of tweaking after more people have used 1774 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1775 // what comes before the finger. 1776 private int putOffsetInRange(int o) { 1777 int offset = o; 1778 Editable text = getText(); 1779 int length = text.length(); 1780 // Remove whitespace from end to find "real end" 1781 int realLength = length; 1782 for (int i = length - 1; i >= 0; i--) { 1783 if (text.charAt(i) == ' ') { 1784 realLength--; 1785 } else { 1786 break; 1787 } 1788 } 1789 1790 // If the offset is beyond or at the end of the text, 1791 // leave it alone. 1792 if (offset >= realLength) { 1793 return offset; 1794 } 1795 Editable editable = getText(); 1796 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1797 // Keep walking backward! 1798 offset--; 1799 } 1800 return offset; 1801 } 1802 1803 private static int findText(Editable text, int offset) { 1804 if (text.charAt(offset) != ' ') { 1805 return offset; 1806 } 1807 return -1; 1808 } 1809 1810 private DrawableRecipientChip findChip(int offset) { 1811 DrawableRecipientChip[] chips = 1812 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1813 // Find the chip that contains this offset. 1814 for (int i = 0; i < chips.length; i++) { 1815 DrawableRecipientChip chip = chips[i]; 1816 int start = getChipStart(chip); 1817 int end = getChipEnd(chip); 1818 if (offset >= start && offset <= end) { 1819 return chip; 1820 } 1821 } 1822 return null; 1823 } 1824 1825 // Visible for testing. 1826 // Use this method to generate text to add to the list of addresses. 1827 /* package */String createAddressText(RecipientEntry entry) { 1828 String display = entry.getDisplayName(); 1829 String address = entry.getDestination(); 1830 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1831 display = null; 1832 } 1833 String trimmedDisplayText; 1834 if (isPhoneQuery() && isPhoneNumber(address)) { 1835 trimmedDisplayText = address.trim(); 1836 } else { 1837 if (address != null) { 1838 // Tokenize out the address in case the address already 1839 // contained the username as well. 1840 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1841 if (tokenized != null && tokenized.length > 0) { 1842 address = tokenized[0].getAddress(); 1843 } 1844 } 1845 Rfc822Token token = new Rfc822Token(display, address, null); 1846 trimmedDisplayText = token.toString().trim(); 1847 } 1848 int index = trimmedDisplayText.indexOf(","); 1849 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1850 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1851 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1852 } 1853 1854 // Visible for testing. 1855 // Use this method to generate text to display in a chip. 1856 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1857 String display = entry.getDisplayName(); 1858 String address = entry.getDestination(); 1859 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1860 display = null; 1861 } 1862 if (!TextUtils.isEmpty(display)) { 1863 return display; 1864 } else if (!TextUtils.isEmpty(address)){ 1865 return address; 1866 } else { 1867 return new Rfc822Token(display, address, null).toString(); 1868 } 1869 } 1870 1871 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1872 final String displayText = createAddressText(entry); 1873 if (TextUtils.isEmpty(displayText)) { 1874 return null; 1875 } 1876 // Always leave a blank space at the end of a chip. 1877 final int textLength = displayText.length() - 1; 1878 final SpannableString chipText = new SpannableString(displayText); 1879 if (!mNoChips) { 1880 try { 1881 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1882 chipText.setSpan(chip, 0, textLength, 1883 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1884 chip.setOriginalText(chipText.toString()); 1885 } catch (NullPointerException e) { 1886 Log.e(TAG, e.getMessage(), e); 1887 return null; 1888 } 1889 } 1890 onChipCreated(entry); 1891 return chipText; 1892 } 1893 1894 /** 1895 * A callback for subclasses to use to know when a chip was created with the 1896 * given RecipientEntry. 1897 */ 1898 protected void onChipCreated(RecipientEntry entry) {} 1899 1900 /** 1901 * When an item in the suggestions list has been clicked, create a chip from the 1902 * contact information of the selected item. 1903 */ 1904 @Override 1905 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1906 if (position < 0) { 1907 return; 1908 } 1909 1910 final int charactersTyped = submitItemAtPosition(position); 1911 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1912 mRecipientEntryItemClickedListener 1913 .onRecipientEntryItemClicked(charactersTyped, position); 1914 } 1915 } 1916 1917 private int submitItemAtPosition(int position) { 1918 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1919 if (entry == null) { 1920 return -1; 1921 } 1922 clearComposingText(); 1923 1924 int end = getSelectionEnd(); 1925 int start = mTokenizer.findTokenStart(getText(), end); 1926 1927 Editable editable = getText(); 1928 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1929 CharSequence chip = createChip(entry, false); 1930 if (chip != null && start >= 0 && end >= 0) { 1931 editable.replace(start, end, chip); 1932 } 1933 sanitizeBetween(); 1934 1935 return end - start; 1936 } 1937 1938 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1939 if (item == null) { 1940 return null; 1941 } 1942 final RecipientEntry entry; 1943 // If the display name and the address are the same, or if this is a 1944 // valid contact, but the destination is invalid, then make this a fake 1945 // recipient that is editable. 1946 String destination = item.getDestination(); 1947 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1948 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1949 destination, item.isValid()); 1950 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1951 && (TextUtils.isEmpty(item.getDisplayName()) 1952 || TextUtils.equals(item.getDisplayName(), destination) 1953 || (mValidator != null && !mValidator.isValid(destination)))) { 1954 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1955 } else { 1956 entry = item; 1957 } 1958 return entry; 1959 } 1960 1961 // Visible for testing. 1962 /* package */DrawableRecipientChip[] getSortedRecipients() { 1963 DrawableRecipientChip[] recips = getSpannable() 1964 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1965 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1966 Arrays.asList(recips)); 1967 final Spannable spannable = getSpannable(); 1968 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1969 1970 @Override 1971 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1972 int firstStart = spannable.getSpanStart(first); 1973 int secondStart = spannable.getSpanStart(second); 1974 if (firstStart < secondStart) { 1975 return -1; 1976 } else if (firstStart > secondStart) { 1977 return 1; 1978 } else { 1979 return 0; 1980 } 1981 } 1982 }); 1983 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1984 } 1985 1986 @Override 1987 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1988 return false; 1989 } 1990 1991 @Override 1992 public void onDestroyActionMode(ActionMode mode) { 1993 } 1994 1995 @Override 1996 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1997 return false; 1998 } 1999 2000 /** 2001 * No chips are selectable. 2002 */ 2003 @Override 2004 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2005 return false; 2006 } 2007 2008 // Visible for testing. 2009 /* package */ReplacementDrawableSpan getMoreChip() { 2010 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2011 MoreImageSpan.class); 2012 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2013 } 2014 2015 private MoreImageSpan createMoreSpan(int count) { 2016 String moreText = String.format(mMoreItem.getText().toString(), count); 2017 mWorkPaint.set(getPaint()); 2018 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 2019 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 2020 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2021 + mMoreItem.getPaddingRight(); 2022 final int height = (int) mChipHeight; 2023 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2024 Canvas canvas = new Canvas(drawable); 2025 int adjustedHeight = height; 2026 Layout layout = getLayout(); 2027 if (layout != null) { 2028 adjustedHeight -= layout.getLineDescent(0); 2029 } 2030 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 2031 2032 Drawable result = new BitmapDrawable(getResources(), drawable); 2033 result.setBounds(0, 0, width, height); 2034 return new MoreImageSpan(result); 2035 } 2036 2037 // Visible for testing. 2038 /*package*/ void createMoreChipPlainText() { 2039 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2040 Editable text = getText(); 2041 int start = 0; 2042 int end = start; 2043 for (int i = 0; i < CHIP_LIMIT; i++) { 2044 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2045 start = end; // move to the next token and get its end. 2046 } 2047 // Now, count total addresses. 2048 start = 0; 2049 int tokenCount = countTokens(text); 2050 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2051 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2052 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2053 text.replace(end, text.length(), chipText); 2054 mMoreChip = moreSpan; 2055 } 2056 2057 // Visible for testing. 2058 /* package */int countTokens(Editable text) { 2059 int tokenCount = 0; 2060 int start = 0; 2061 while (start < text.length()) { 2062 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2063 tokenCount++; 2064 if (start >= text.length()) { 2065 break; 2066 } 2067 } 2068 return tokenCount; 2069 } 2070 2071 /** 2072 * Create the more chip. The more chip is text that replaces any chips that 2073 * do not fit in the pre-defined available space when the 2074 * RecipientEditTextView loses focus. 2075 */ 2076 // Visible for testing. 2077 /* package */ void createMoreChip() { 2078 if (mNoChips) { 2079 createMoreChipPlainText(); 2080 return; 2081 } 2082 2083 if (!mShouldShrink) { 2084 return; 2085 } 2086 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2087 MoreImageSpan.class); 2088 if (tempMore.length > 0) { 2089 getSpannable().removeSpan(tempMore[0]); 2090 } 2091 DrawableRecipientChip[] recipients = getSortedRecipients(); 2092 2093 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2094 mMoreChip = null; 2095 return; 2096 } 2097 Spannable spannable = getSpannable(); 2098 int numRecipients = recipients.length; 2099 int overage = numRecipients - CHIP_LIMIT; 2100 MoreImageSpan moreSpan = createMoreSpan(overage); 2101 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2102 int totalReplaceStart = 0; 2103 int totalReplaceEnd = 0; 2104 Editable text = getText(); 2105 for (int i = numRecipients - overage; i < recipients.length; i++) { 2106 mRemovedSpans.add(recipients[i]); 2107 if (i == numRecipients - overage) { 2108 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2109 } 2110 if (i == recipients.length - 1) { 2111 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2112 } 2113 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2114 int spanStart = spannable.getSpanStart(recipients[i]); 2115 int spanEnd = spannable.getSpanEnd(recipients[i]); 2116 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2117 } 2118 spannable.removeSpan(recipients[i]); 2119 } 2120 if (totalReplaceEnd < text.length()) { 2121 totalReplaceEnd = text.length(); 2122 } 2123 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2124 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2125 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2126 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2127 text.replace(start, end, chipText); 2128 mMoreChip = moreSpan; 2129 // If adding the +more chip goes over the limit, resize accordingly. 2130 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2131 setMaxLines(getLineCount()); 2132 } 2133 } 2134 2135 /** 2136 * Replace the more chip, if it exists, with all of the recipient chips it had 2137 * replaced when the RecipientEditTextView gains focus. 2138 */ 2139 // Visible for testing. 2140 /*package*/ void removeMoreChip() { 2141 if (mMoreChip != null) { 2142 Spannable span = getSpannable(); 2143 span.removeSpan(mMoreChip); 2144 mMoreChip = null; 2145 // Re-add the spans that were removed. 2146 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2147 // Recreate each removed span. 2148 DrawableRecipientChip[] recipients = getSortedRecipients(); 2149 // Start the search for tokens after the last currently visible 2150 // chip. 2151 if (recipients == null || recipients.length == 0) { 2152 return; 2153 } 2154 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2155 Editable editable = getText(); 2156 for (DrawableRecipientChip chip : mRemovedSpans) { 2157 int chipStart; 2158 int chipEnd; 2159 String token; 2160 // Need to find the location of the chip, again. 2161 token = (String) chip.getOriginalText(); 2162 // As we find the matching recipient for the remove spans, 2163 // reduce the size of the string we need to search. 2164 // That way, if there are duplicates, we always find the correct 2165 // recipient. 2166 chipStart = editable.toString().indexOf(token, end); 2167 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2168 // Only set the span if we found a matching token. 2169 if (chipStart != -1) { 2170 editable.setSpan(chip, chipStart, chipEnd, 2171 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2172 } 2173 } 2174 mRemovedSpans.clear(); 2175 } 2176 } 2177 } 2178 2179 /** 2180 * Show specified chip as selected. If the RecipientChip is just an email address, 2181 * selecting the chip will take the contents of the chip and place it at 2182 * the end of the RecipientEditTextView for inline editing. If the 2183 * RecipientChip is a complete contact, then selecting the chip 2184 * will change the background color of the chip, show the delete icon, 2185 * and a popup window with the address in use highlighted and any other 2186 * alternate addresses for the contact. 2187 * @param currentChip Chip to select. 2188 * @return A RecipientChip in the selected state or null if the chip 2189 * just contained an email address. 2190 */ 2191 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2192 if (shouldShowEditableText(currentChip)) { 2193 CharSequence text = currentChip.getValue(); 2194 Editable editable = getText(); 2195 Spannable spannable = getSpannable(); 2196 int spanStart = spannable.getSpanStart(currentChip); 2197 int spanEnd = spannable.getSpanEnd(currentChip); 2198 spannable.removeSpan(currentChip); 2199 // Don't need leading space if it's the only chip 2200 if (spanEnd - spanStart == editable.length() - 1) { 2201 spanEnd++; 2202 } 2203 editable.delete(spanStart, spanEnd); 2204 setCursorVisible(true); 2205 setSelection(editable.length()); 2206 editable.append(text); 2207 return constructChipSpan( 2208 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2209 true); 2210 } else { 2211 int start = getChipStart(currentChip); 2212 int end = getChipEnd(currentChip); 2213 getSpannable().removeSpan(currentChip); 2214 DrawableRecipientChip newChip; 2215 final boolean showAddress = 2216 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2217 getAdapter().forceShowAddress(); 2218 try { 2219 if (showAddress && mNoChips) { 2220 return null; 2221 } 2222 newChip = constructChipSpan(currentChip.getEntry(), true); 2223 } catch (NullPointerException e) { 2224 Log.e(TAG, e.getMessage(), e); 2225 return null; 2226 } 2227 Editable editable = getText(); 2228 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2229 if (start == -1 || end == -1) { 2230 Log.d(TAG, "The chip being selected no longer exists but should."); 2231 } else { 2232 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2233 } 2234 newChip.setSelected(true); 2235 if (shouldShowEditableText(newChip)) { 2236 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2237 } 2238 if (showAddress) { 2239 showAddress(newChip, mAddressPopup); 2240 } else { 2241 showAlternates(newChip, mAlternatesPopup); 2242 } 2243 setCursorVisible(false); 2244 return newChip; 2245 } 2246 } 2247 2248 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2249 long contactId = currentChip.getContactId(); 2250 return contactId == RecipientEntry.INVALID_CONTACT 2251 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2252 } 2253 2254 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2255 if (!mAttachedToWindow) { 2256 return; 2257 } 2258 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2259 int bottomOffset = calculateOffsetFromBottomToTop(line); 2260 // Align the alternates popup with the left side of the View, 2261 // regardless of the position of the chip tapped. 2262 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2263 popup.setVerticalOffset(bottomOffset); 2264 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2265 popup.setOnItemClickListener(new OnItemClickListener() { 2266 @Override 2267 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2268 unselectChip(currentChip); 2269 popup.dismiss(); 2270 } 2271 }); 2272 popup.show(); 2273 ListView listView = popup.getListView(); 2274 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2275 listView.setItemChecked(0, true); 2276 } 2277 2278 /** 2279 * Remove selection from this chip. Unselecting a RecipientChip will render 2280 * the chip without a delete icon and with an unfocused background. This is 2281 * called when the RecipientChip no longer has focus. 2282 */ 2283 private void unselectChip(DrawableRecipientChip chip) { 2284 int start = getChipStart(chip); 2285 int end = getChipEnd(chip); 2286 Editable editable = getText(); 2287 mSelectedChip = null; 2288 if (start == -1 || end == -1) { 2289 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2290 setSelection(editable.length()); 2291 commitDefault(); 2292 } else { 2293 getSpannable().removeSpan(chip); 2294 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2295 editable.removeSpan(chip); 2296 try { 2297 if (!mNoChips) { 2298 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2299 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2300 } 2301 } catch (NullPointerException e) { 2302 Log.e(TAG, e.getMessage(), e); 2303 } 2304 } 2305 setCursorVisible(true); 2306 setSelection(editable.length()); 2307 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2308 mAlternatesPopup.dismiss(); 2309 } 2310 } 2311 2312 @Override 2313 public void onChipDelete() { 2314 if (mSelectedChip != null) { 2315 removeChip(mSelectedChip); 2316 } 2317 mAddressPopup.dismiss(); 2318 mAlternatesPopup.dismiss(); 2319 } 2320 2321 /** 2322 * Remove the chip and any text associated with it from the RecipientEditTextView. 2323 */ 2324 // Visible for testing. 2325 /* package */void removeChip(DrawableRecipientChip chip) { 2326 Spannable spannable = getSpannable(); 2327 int spanStart = spannable.getSpanStart(chip); 2328 int spanEnd = spannable.getSpanEnd(chip); 2329 Editable text = getText(); 2330 int toDelete = spanEnd; 2331 boolean wasSelected = chip == mSelectedChip; 2332 // Clear that there is a selected chip before updating any text. 2333 if (wasSelected) { 2334 mSelectedChip = null; 2335 } 2336 // Always remove trailing spaces when removing a chip. 2337 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2338 toDelete++; 2339 } 2340 spannable.removeSpan(chip); 2341 if (spanStart >= 0 && toDelete > 0) { 2342 text.delete(spanStart, toDelete); 2343 } 2344 if (wasSelected) { 2345 clearSelectedChip(); 2346 } 2347 } 2348 2349 /** 2350 * Replace this currently selected chip with a new chip 2351 * that uses the contact data provided. 2352 */ 2353 // Visible for testing. 2354 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2355 boolean wasSelected = chip == mSelectedChip; 2356 if (wasSelected) { 2357 mSelectedChip = null; 2358 } 2359 int start = getChipStart(chip); 2360 int end = getChipEnd(chip); 2361 getSpannable().removeSpan(chip); 2362 Editable editable = getText(); 2363 CharSequence chipText = createChip(entry, false); 2364 if (chipText != null) { 2365 if (start == -1 || end == -1) { 2366 Log.e(TAG, "The chip to replace does not exist but should."); 2367 editable.insert(0, chipText); 2368 } else { 2369 if (!TextUtils.isEmpty(chipText)) { 2370 // There may be a space to replace with this chip's new 2371 // associated space. Check for it 2372 int toReplace = end; 2373 while (toReplace >= 0 && toReplace < editable.length() 2374 && editable.charAt(toReplace) == ' ') { 2375 toReplace++; 2376 } 2377 editable.replace(start, toReplace, chipText); 2378 } 2379 } 2380 } 2381 setCursorVisible(true); 2382 if (wasSelected) { 2383 clearSelectedChip(); 2384 } 2385 } 2386 2387 /** 2388 * Handle click events for a chip. When a selected chip receives a click 2389 * event, see if that event was in the delete icon. If so, delete it. 2390 * Otherwise, unselect the chip. 2391 */ 2392 public void onClick(DrawableRecipientChip chip) { 2393 if (chip.isSelected()) { 2394 clearSelectedChip(); 2395 } 2396 } 2397 2398 private boolean chipsPending() { 2399 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2400 } 2401 2402 @Override 2403 public void removeTextChangedListener(TextWatcher watcher) { 2404 mTextWatcher = null; 2405 super.removeTextChangedListener(watcher); 2406 } 2407 2408 private boolean isValidEmailAddress(String input) { 2409 return !TextUtils.isEmpty(input) && mValidator != null && 2410 mValidator.isValid(input); 2411 } 2412 2413 private class RecipientTextWatcher implements TextWatcher { 2414 2415 @Override 2416 public void afterTextChanged(Editable s) { 2417 // If the text has been set to null or empty, make sure we remove 2418 // all the spans we applied. 2419 if (TextUtils.isEmpty(s)) { 2420 // Remove all the chips spans. 2421 Spannable spannable = getSpannable(); 2422 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2423 DrawableRecipientChip.class); 2424 for (DrawableRecipientChip chip : chips) { 2425 spannable.removeSpan(chip); 2426 } 2427 if (mMoreChip != null) { 2428 spannable.removeSpan(mMoreChip); 2429 } 2430 clearSelectedChip(); 2431 return; 2432 } 2433 // Get whether there are any recipients pending addition to the 2434 // view. If there are, don't do anything in the text watcher. 2435 if (chipsPending()) { 2436 return; 2437 } 2438 // If the user is editing a chip, don't clear it. 2439 if (mSelectedChip != null) { 2440 if (!isGeneratedContact(mSelectedChip)) { 2441 setCursorVisible(true); 2442 setSelection(getText().length()); 2443 clearSelectedChip(); 2444 } else { 2445 return; 2446 } 2447 } 2448 int length = s.length(); 2449 // Make sure there is content there to parse and that it is 2450 // not just the commit character. 2451 if (length > 1) { 2452 if (lastCharacterIsCommitCharacter(s)) { 2453 commitByCharacter(); 2454 return; 2455 } 2456 char last; 2457 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2458 int len = length() - 1; 2459 if (end != len) { 2460 last = s.charAt(end); 2461 } else { 2462 last = s.charAt(len); 2463 } 2464 if (last == COMMIT_CHAR_SPACE) { 2465 if (!isPhoneQuery()) { 2466 // Check if this is a valid email address. If it is, 2467 // commit it. 2468 String text = getText().toString(); 2469 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2470 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2471 tokenStart)); 2472 if (isValidEmailAddress(sub)) { 2473 commitByCharacter(); 2474 } 2475 } 2476 } 2477 } 2478 } 2479 2480 @Override 2481 public void onTextChanged(CharSequence s, int start, int before, int count) { 2482 // The user deleted some text OR some text was replaced; check to 2483 // see if the insertion point is on a space 2484 // following a chip. 2485 if (before - count == 1) { 2486 // If the item deleted is a space, and the thing before the 2487 // space is a chip, delete the entire span. 2488 int selStart = getSelectionStart(); 2489 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2490 DrawableRecipientChip.class); 2491 if (repl.length > 0) { 2492 // There is a chip there! Just remove it. 2493 Editable editable = getText(); 2494 // Add the separator token. 2495 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2496 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2497 tokenEnd = tokenEnd + 1; 2498 if (tokenEnd > editable.length()) { 2499 tokenEnd = editable.length(); 2500 } 2501 editable.delete(tokenStart, tokenEnd); 2502 getSpannable().removeSpan(repl[0]); 2503 } 2504 } else if (count > before) { 2505 if (mSelectedChip != null 2506 && isGeneratedContact(mSelectedChip)) { 2507 if (lastCharacterIsCommitCharacter(s)) { 2508 commitByCharacter(); 2509 return; 2510 } 2511 } 2512 } 2513 } 2514 2515 @Override 2516 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2517 // Do nothing. 2518 } 2519 } 2520 2521 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2522 char last; 2523 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2524 int len = length() - 1; 2525 if (end != len) { 2526 last = s.charAt(end); 2527 } else { 2528 last = s.charAt(len); 2529 } 2530 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2531 } 2532 2533 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2534 long contactId = chip.getContactId(); 2535 return contactId == RecipientEntry.INVALID_CONTACT 2536 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2537 } 2538 2539 /** 2540 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2541 */ 2542 // Visible for testing. 2543 void handlePasteClip(ClipData clip) { 2544 if (clip == null) { 2545 // Do nothing. 2546 return; 2547 } 2548 2549 final ClipDescription clipDesc = clip.getDescription(); 2550 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2551 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2552 if (!containsSupportedType) { 2553 return; 2554 } 2555 2556 removeTextChangedListener(mTextWatcher); 2557 2558 final ClipDescription clipDescription = clip.getDescription(); 2559 for (int i = 0; i < clip.getItemCount(); i++) { 2560 final String mimeType = clipDescription.getMimeType(i); 2561 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2562 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2563 if (!supportedType) { 2564 // Only plain text and html can be pasted. 2565 continue; 2566 } 2567 2568 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2569 if (!TextUtils.isEmpty(pastedItem)) { 2570 final Editable editable = getText(); 2571 final int start = getSelectionStart(); 2572 final int end = getSelectionEnd(); 2573 if (start < 0 || end < 1) { 2574 // No selection. 2575 editable.append(pastedItem); 2576 } else if (start == end) { 2577 // Insert at position. 2578 editable.insert(start, pastedItem); 2579 } else { 2580 editable.append(pastedItem, start, end); 2581 } 2582 handlePasteAndReplace(); 2583 } 2584 } 2585 2586 mHandler.post(mAddTextWatcher); 2587 } 2588 2589 @Override 2590 public boolean onTextContextMenuItem(int id) { 2591 if (id == android.R.id.paste) { 2592 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2593 Context.CLIPBOARD_SERVICE); 2594 handlePasteClip(clipboard.getPrimaryClip()); 2595 return true; 2596 } 2597 return super.onTextContextMenuItem(id); 2598 } 2599 2600 private void handlePasteAndReplace() { 2601 ArrayList<DrawableRecipientChip> created = handlePaste(); 2602 if (created != null && created.size() > 0) { 2603 // Perform reverse lookups on the pasted contacts. 2604 IndividualReplacementTask replace = new IndividualReplacementTask(); 2605 replace.execute(created); 2606 } 2607 } 2608 2609 // Visible for testing. 2610 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2611 String text = getText().toString(); 2612 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2613 String lastAddress = text.substring(originalTokenStart); 2614 int tokenStart = originalTokenStart; 2615 int prevTokenStart = 0; 2616 DrawableRecipientChip findChip = null; 2617 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2618 if (tokenStart != 0) { 2619 // There are things before this! 2620 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2621 prevTokenStart = tokenStart; 2622 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2623 findChip = findChip(tokenStart); 2624 if (tokenStart == originalTokenStart && findChip == null) { 2625 break; 2626 } 2627 } 2628 if (tokenStart != originalTokenStart) { 2629 if (findChip != null) { 2630 tokenStart = prevTokenStart; 2631 } 2632 int tokenEnd; 2633 DrawableRecipientChip createdChip; 2634 while (tokenStart < originalTokenStart) { 2635 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2636 tokenStart)); 2637 commitChip(tokenStart, tokenEnd, getText()); 2638 createdChip = findChip(tokenStart); 2639 if (createdChip == null) { 2640 break; 2641 } 2642 // +1 for the space at the end. 2643 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2644 created.add(createdChip); 2645 } 2646 } 2647 } 2648 // Take a look at the last token. If the token has been completed with a 2649 // commit character, create a chip. 2650 if (isCompletedToken(lastAddress)) { 2651 Editable editable = getText(); 2652 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2653 commitChip(tokenStart, editable.length(), editable); 2654 created.add(findChip(tokenStart)); 2655 } 2656 return created; 2657 } 2658 2659 // Visible for testing. 2660 /* package */int movePastTerminators(int tokenEnd) { 2661 if (tokenEnd >= length()) { 2662 return tokenEnd; 2663 } 2664 char atEnd = getText().toString().charAt(tokenEnd); 2665 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2666 tokenEnd++; 2667 } 2668 // This token had not only an end token character, but also a space 2669 // separating it from the next token. 2670 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2671 tokenEnd++; 2672 } 2673 return tokenEnd; 2674 } 2675 2676 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2677 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2678 try { 2679 if (mNoChips) { 2680 return null; 2681 } 2682 return constructChipSpan(entry, false); 2683 } catch (NullPointerException e) { 2684 Log.e(TAG, e.getMessage(), e); 2685 return null; 2686 } 2687 } 2688 2689 @Override 2690 protected void onPreExecute() { 2691 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2692 // replaced 2693 final List<DrawableRecipientChip> originalRecipients = 2694 new ArrayList<DrawableRecipientChip>(); 2695 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2696 for (int i = 0; i < existingChips.length; i++) { 2697 originalRecipients.add(existingChips[i]); 2698 } 2699 if (mRemovedSpans != null) { 2700 originalRecipients.addAll(mRemovedSpans); 2701 } 2702 2703 final List<DrawableRecipientChip> replacements = 2704 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2705 2706 for (final DrawableRecipientChip chip : originalRecipients) { 2707 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2708 && getSpannable().getSpanStart(chip) != -1) { 2709 replacements.add(createFreeChip(chip.getEntry())); 2710 } else { 2711 replacements.add(null); 2712 } 2713 } 2714 2715 processReplacements(originalRecipients, replacements); 2716 } 2717 2718 @Override 2719 protected Void doInBackground(Void... params) { 2720 if (mIndividualReplacements != null) { 2721 mIndividualReplacements.cancel(true); 2722 } 2723 // For each chip in the list, look up the matching contact. 2724 // If there is a match, replace that chip with the matching 2725 // chip. 2726 final ArrayList<DrawableRecipientChip> recipients = 2727 new ArrayList<DrawableRecipientChip>(); 2728 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2729 for (int i = 0; i < existingChips.length; i++) { 2730 recipients.add(existingChips[i]); 2731 } 2732 if (mRemovedSpans != null) { 2733 recipients.addAll(mRemovedSpans); 2734 } 2735 ArrayList<String> addresses = new ArrayList<String>(); 2736 DrawableRecipientChip chip; 2737 for (int i = 0; i < recipients.size(); i++) { 2738 chip = recipients.get(i); 2739 if (chip != null) { 2740 addresses.add(createAddressText(chip.getEntry())); 2741 } 2742 } 2743 final BaseRecipientAdapter adapter = getAdapter(); 2744 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2745 @Override 2746 public void matchesFound(Map<String, RecipientEntry> entries) { 2747 final ArrayList<DrawableRecipientChip> replacements = 2748 new ArrayList<DrawableRecipientChip>(); 2749 for (final DrawableRecipientChip temp : recipients) { 2750 RecipientEntry entry = null; 2751 if (temp != null && RecipientEntry.isCreatedRecipient( 2752 temp.getEntry().getContactId()) 2753 && getSpannable().getSpanStart(temp) != -1) { 2754 // Replace this. 2755 entry = createValidatedEntry( 2756 entries.get(tokenizeAddress(temp.getEntry() 2757 .getDestination()))); 2758 } 2759 if (entry != null) { 2760 replacements.add(createFreeChip(entry)); 2761 } else { 2762 replacements.add(null); 2763 } 2764 } 2765 processReplacements(recipients, replacements); 2766 } 2767 2768 @Override 2769 public void matchesNotFound(final Set<String> unfoundAddresses) { 2770 final List<DrawableRecipientChip> replacements = 2771 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2772 2773 for (final DrawableRecipientChip temp : recipients) { 2774 if (temp != null && RecipientEntry.isCreatedRecipient( 2775 temp.getEntry().getContactId()) 2776 && getSpannable().getSpanStart(temp) != -1) { 2777 if (unfoundAddresses.contains( 2778 temp.getEntry().getDestination())) { 2779 replacements.add(createFreeChip(temp.getEntry())); 2780 } else { 2781 replacements.add(null); 2782 } 2783 } else { 2784 replacements.add(null); 2785 } 2786 } 2787 2788 processReplacements(recipients, replacements); 2789 } 2790 }); 2791 return null; 2792 } 2793 2794 private void processReplacements(final List<DrawableRecipientChip> recipients, 2795 final List<DrawableRecipientChip> replacements) { 2796 if (replacements != null && replacements.size() > 0) { 2797 final Runnable runnable = new Runnable() { 2798 @Override 2799 public void run() { 2800 final Editable text = new SpannableStringBuilder(getText()); 2801 int i = 0; 2802 for (final DrawableRecipientChip chip : recipients) { 2803 final DrawableRecipientChip replacement = replacements.get(i); 2804 if (replacement != null) { 2805 final RecipientEntry oldEntry = chip.getEntry(); 2806 final RecipientEntry newEntry = replacement.getEntry(); 2807 final boolean isBetter = 2808 RecipientAlternatesAdapter.getBetterRecipient( 2809 oldEntry, newEntry) == newEntry; 2810 2811 if (isBetter) { 2812 // Find the location of the chip in the text currently shown. 2813 final int start = text.getSpanStart(chip); 2814 if (start != -1) { 2815 // Replacing the entirety of what the chip represented, 2816 // including the extra space dividing it from other chips. 2817 final int end = 2818 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2819 text.removeSpan(chip); 2820 // Make sure we always have just 1 space at the end to 2821 // separate this chip from the next chip. 2822 final SpannableString displayText = 2823 new SpannableString(createAddressText( 2824 replacement.getEntry()).trim() + " "); 2825 displayText.setSpan(replacement, 0, 2826 displayText.length() - 1, 2827 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2828 // Replace the old text we found with with the new display 2829 // text, which now may also contain the display name of the 2830 // recipient. 2831 text.replace(start, end, displayText); 2832 replacement.setOriginalText(displayText.toString()); 2833 replacements.set(i, null); 2834 2835 recipients.set(i, replacement); 2836 } 2837 } 2838 } 2839 i++; 2840 } 2841 setText(text); 2842 } 2843 }; 2844 2845 if (Looper.myLooper() == Looper.getMainLooper()) { 2846 runnable.run(); 2847 } else { 2848 mHandler.post(runnable); 2849 } 2850 } 2851 } 2852 } 2853 2854 private class IndividualReplacementTask 2855 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2856 @Override 2857 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2858 // For each chip in the list, look up the matching contact. 2859 // If there is a match, replace that chip with the matching 2860 // chip. 2861 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2862 ArrayList<String> addresses = new ArrayList<String>(); 2863 DrawableRecipientChip chip; 2864 for (int i = 0; i < originalRecipients.size(); i++) { 2865 chip = originalRecipients.get(i); 2866 if (chip != null) { 2867 addresses.add(createAddressText(chip.getEntry())); 2868 } 2869 } 2870 final BaseRecipientAdapter adapter = getAdapter(); 2871 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2872 2873 @Override 2874 public void matchesFound(Map<String, RecipientEntry> entries) { 2875 for (final DrawableRecipientChip temp : originalRecipients) { 2876 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2877 .getContactId()) 2878 && getSpannable().getSpanStart(temp) != -1) { 2879 // Replace this. 2880 final RecipientEntry entry = createValidatedEntry(entries 2881 .get(tokenizeAddress(temp.getEntry().getDestination()) 2882 .toLowerCase())); 2883 if (entry != null) { 2884 mHandler.post(new Runnable() { 2885 @Override 2886 public void run() { 2887 replaceChip(temp, entry); 2888 } 2889 }); 2890 } 2891 } 2892 } 2893 } 2894 2895 @Override 2896 public void matchesNotFound(final Set<String> unfoundAddresses) { 2897 // No action required 2898 } 2899 }); 2900 return null; 2901 } 2902 } 2903 2904 2905 /** 2906 * MoreImageSpan is a simple class created for tracking the existence of a 2907 * more chip across activity restarts/ 2908 */ 2909 private class MoreImageSpan extends ReplacementDrawableSpan { 2910 public MoreImageSpan(Drawable b) { 2911 super(b); 2912 setExtraMargin(mLineSpacingExtra); 2913 } 2914 } 2915 2916 @Override 2917 public boolean onDown(MotionEvent e) { 2918 return false; 2919 } 2920 2921 @Override 2922 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2923 // Do nothing. 2924 return false; 2925 } 2926 2927 @Override 2928 public void onLongPress(MotionEvent event) { 2929 if (mSelectedChip != null) { 2930 return; 2931 } 2932 float x = event.getX(); 2933 float y = event.getY(); 2934 final int offset = putOffsetInRange(x, y); 2935 DrawableRecipientChip currentChip = findChip(offset); 2936 if (currentChip != null) { 2937 if (mDragEnabled) { 2938 // Start drag-and-drop for the selected chip. 2939 startDrag(currentChip); 2940 } else { 2941 // Copy the selected chip email address. 2942 showCopyDialog(currentChip.getEntry().getDestination()); 2943 } 2944 } 2945 } 2946 2947 // The following methods are used to provide some functionality on older versions of Android 2948 // These methods were copied out of JB MR2's TextView 2949 ///////////////////////////////////////////////// 2950 private int supportGetOffsetForPosition(float x, float y) { 2951 if (getLayout() == null) return -1; 2952 final int line = supportGetLineAtCoordinate(y); 2953 final int offset = supportGetOffsetAtCoordinate(line, x); 2954 return offset; 2955 } 2956 2957 private float supportConvertToLocalHorizontalCoordinate(float x) { 2958 x -= getTotalPaddingLeft(); 2959 // Clamp the position to inside of the view. 2960 x = Math.max(0.0f, x); 2961 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2962 x += getScrollX(); 2963 return x; 2964 } 2965 2966 private int supportGetLineAtCoordinate(float y) { 2967 y -= getTotalPaddingLeft(); 2968 // Clamp the position to inside of the view. 2969 y = Math.max(0.0f, y); 2970 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2971 y += getScrollY(); 2972 return getLayout().getLineForVertical((int) y); 2973 } 2974 2975 private int supportGetOffsetAtCoordinate(int line, float x) { 2976 x = supportConvertToLocalHorizontalCoordinate(x); 2977 return getLayout().getOffsetForHorizontal(line, x); 2978 } 2979 ///////////////////////////////////////////////// 2980 2981 /** 2982 * Enables drag-and-drop for chips. 2983 */ 2984 public void enableDrag() { 2985 mDragEnabled = true; 2986 } 2987 2988 /** 2989 * Starts drag-and-drop for the selected chip. 2990 */ 2991 private void startDrag(DrawableRecipientChip currentChip) { 2992 String address = currentChip.getEntry().getDestination(); 2993 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2994 2995 // Start drag mode. 2996 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2997 2998 // Remove the current chip, so drag-and-drop will result in a move. 2999 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3000 removeChip(currentChip); 3001 } 3002 3003 /** 3004 * Handles drag event. 3005 */ 3006 @Override 3007 public boolean onDragEvent(DragEvent event) { 3008 switch (event.getAction()) { 3009 case DragEvent.ACTION_DRAG_STARTED: 3010 // Only handle plain text drag and drop. 3011 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3012 case DragEvent.ACTION_DRAG_ENTERED: 3013 requestFocus(); 3014 return true; 3015 case DragEvent.ACTION_DROP: 3016 handlePasteClip(event.getClipData()); 3017 return true; 3018 } 3019 return false; 3020 } 3021 3022 /** 3023 * Drag shadow for a {@link DrawableRecipientChip}. 3024 */ 3025 private final class RecipientChipShadow extends DragShadowBuilder { 3026 private final DrawableRecipientChip mChip; 3027 3028 public RecipientChipShadow(DrawableRecipientChip chip) { 3029 mChip = chip; 3030 } 3031 3032 @Override 3033 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3034 Rect rect = mChip.getBounds(); 3035 shadowSize.set(rect.width(), rect.height()); 3036 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3037 } 3038 3039 @Override 3040 public void onDrawShadow(Canvas canvas) { 3041 mChip.draw(canvas); 3042 } 3043 } 3044 3045 private void showCopyDialog(final String address) { 3046 if (!mAttachedToWindow) { 3047 return; 3048 } 3049 mCopyAddress = address; 3050 mCopyDialog.setTitle(address); 3051 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3052 mCopyDialog.setCancelable(true); 3053 mCopyDialog.setCanceledOnTouchOutside(true); 3054 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3055 button.setOnClickListener(this); 3056 int btnTitleId; 3057 if (isPhoneQuery()) { 3058 btnTitleId = R.string.copy_number; 3059 } else { 3060 btnTitleId = R.string.copy_email; 3061 } 3062 String buttonTitle = getContext().getResources().getString(btnTitleId); 3063 button.setText(buttonTitle); 3064 mCopyDialog.setOnDismissListener(this); 3065 mCopyDialog.show(); 3066 } 3067 3068 @Override 3069 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3070 // Do nothing. 3071 return false; 3072 } 3073 3074 @Override 3075 public void onShowPress(MotionEvent e) { 3076 // Do nothing. 3077 } 3078 3079 @Override 3080 public boolean onSingleTapUp(MotionEvent e) { 3081 // Do nothing. 3082 return false; 3083 } 3084 3085 @Override 3086 public void onDismiss(DialogInterface dialog) { 3087 mCopyAddress = null; 3088 } 3089 3090 @Override 3091 public void onClick(View v) { 3092 // Copy this to the clipboard. 3093 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3094 Context.CLIPBOARD_SERVICE); 3095 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3096 mCopyDialog.dismiss(); 3097 } 3098 3099 protected boolean isPhoneQuery() { 3100 return getAdapter() != null 3101 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3102 } 3103 3104 @Override 3105 public BaseRecipientAdapter getAdapter() { 3106 return (BaseRecipientAdapter) super.getAdapter(); 3107 } 3108 3109 /** 3110 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3111 * unfinished text at the end. 3112 */ 3113 public void appendRecipientEntry(final RecipientEntry entry) { 3114 clearComposingText(); 3115 3116 final Editable editable = getText(); 3117 int chipInsertionPoint = 0; 3118 3119 // Find the end of last chip and see if there's any unchipified text. 3120 final DrawableRecipientChip[] recips = getSortedRecipients(); 3121 if (recips != null && recips.length > 0) { 3122 final DrawableRecipientChip last = recips[recips.length - 1]; 3123 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3124 // the insertion point will be kept untouched. 3125 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3126 } 3127 3128 final CharSequence chip = createChip(entry, false); 3129 if (chip != null) { 3130 editable.insert(chipInsertionPoint, chip); 3131 } 3132 } 3133 3134 /** 3135 * Remove all chips matching the given RecipientEntry. 3136 */ 3137 public void removeRecipientEntry(final RecipientEntry entry) { 3138 final DrawableRecipientChip[] recips = getText() 3139 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3140 3141 for (final DrawableRecipientChip recipient : recips) { 3142 final RecipientEntry existingEntry = recipient.getEntry(); 3143 if (existingEntry != null && existingEntry.isValid() && 3144 existingEntry.isSamePerson(entry)) { 3145 removeChip(recipient); 3146 } 3147 } 3148 } 3149 3150 public void setAlternatePopupAnchor(View v) { 3151 mAlternatePopupAnchor = v; 3152 } 3153 3154 private static class ChipBitmapContainer { 3155 Bitmap bitmap; 3156 // information used for positioning the loaded icon 3157 boolean loadIcon = true; 3158 float left; 3159 float top; 3160 float right; 3161 float bottom; 3162 } 3163} 3164