RecipientEditTextView.java revision 2633ca91b7e5bcec29b2aaf80afa28451770aede
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.BitmapShader; 32import android.graphics.Canvas; 33import android.graphics.Color; 34import android.graphics.Matrix; 35import android.graphics.Paint; 36import android.graphics.Paint.Style; 37import android.graphics.Point; 38import android.graphics.Rect; 39import android.graphics.RectF; 40import android.graphics.Shader.TileMode; 41import android.graphics.drawable.BitmapDrawable; 42import android.graphics.drawable.Drawable; 43import android.graphics.drawable.StateListDrawable; 44import android.os.AsyncTask; 45import android.os.Build; 46import android.os.Handler; 47import android.os.Looper; 48import android.os.Message; 49import android.os.Parcelable; 50import android.text.Editable; 51import android.text.InputType; 52import android.text.Layout; 53import android.text.Spannable; 54import android.text.SpannableString; 55import android.text.SpannableStringBuilder; 56import android.text.Spanned; 57import android.text.TextPaint; 58import android.text.TextUtils; 59import android.text.TextWatcher; 60import android.text.method.QwertyKeyListener; 61import android.text.util.Rfc822Token; 62import android.text.util.Rfc822Tokenizer; 63import android.util.AttributeSet; 64import android.util.Log; 65import android.view.ActionMode; 66import android.view.ActionMode.Callback; 67import android.view.DragEvent; 68import android.view.GestureDetector; 69import android.view.KeyEvent; 70import android.view.LayoutInflater; 71import android.view.Menu; 72import android.view.MenuItem; 73import android.view.MotionEvent; 74import android.view.View; 75import android.view.View.OnClickListener; 76import android.view.ViewParent; 77import android.view.accessibility.AccessibilityEvent; 78import android.view.accessibility.AccessibilityManager; 79import android.view.inputmethod.EditorInfo; 80import android.view.inputmethod.InputConnection; 81import android.widget.AdapterView; 82import android.widget.AdapterView.OnItemClickListener; 83import android.widget.Button; 84import android.widget.Filterable; 85import android.widget.ListAdapter; 86import android.widget.ListPopupWindow; 87import android.widget.ListView; 88import android.widget.MultiAutoCompleteTextView; 89import android.widget.PopupWindow; 90import android.widget.ScrollView; 91import android.widget.TextView; 92 93import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 94import com.android.ex.chips.recipientchip.DrawableRecipientChip; 95import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 96import com.android.ex.chips.recipientchip.ReplacementDrawableSpan; 97import com.android.ex.chips.recipientchip.VisibleRecipientChip; 98 99import java.util.ArrayList; 100import java.util.Arrays; 101import java.util.Collections; 102import java.util.Comparator; 103import java.util.List; 104import java.util.Map; 105import java.util.Set; 106import java.util.regex.Matcher; 107import java.util.regex.Pattern; 108 109/** 110 * RecipientEditTextView is an auto complete text view for use with applications 111 * that use the new Chips UI for addressing a message to recipients. 112 */ 113public class RecipientEditTextView extends MultiAutoCompleteTextView implements 114 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 115 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 116 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 117 private static final String TAG = "RecipientEditTextView"; 118 119 private static final char COMMIT_CHAR_COMMA = ','; 120 private static final char COMMIT_CHAR_SEMICOLON = ';'; 121 private static final char COMMIT_CHAR_SPACE = ' '; 122 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 123 + String.valueOf(COMMIT_CHAR_SPACE); 124 125 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 126 // parens, so numbers such as "1 (425) 222-2342" match. 127 private static final Pattern PHONE_PATTERN 128 = Pattern.compile( // sdd = space, dot, or dash 129 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 130 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 131 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 132 133 private static final int DISMISS = "dismiss".hashCode(); 134 private static final long DISMISS_DELAY = 300; 135 136 // TODO: get correct number/ algorithm from with UX. 137 // Visible for testing. 138 /*package*/ static final int CHIP_LIMIT = 2; 139 140 private static final int MAX_CHIPS_PARSED = 50; 141 142 private static int sSelectedTextColor = -1; 143 144 // Work variables to avoid re-allocation on every typed character. 145 private final Rect mRect = new Rect(); 146 private final int[] mCoords = new int[2]; 147 148 // Resources for displaying chips. 149 private Drawable mChipBackground = null; 150 private Drawable mChipDelete = null; 151 private Drawable mInvalidChipBackground; 152 private Drawable mChipBackgroundPressed; 153 154 // Possible attr overrides 155 private float mChipHeight; 156 private float mChipFontSize; 157 private float mLineSpacingExtra; 158 private int mChipTextStartPadding; 159 private int mChipTextEndPadding; 160 private final int mTextHeight; 161 private boolean mDisableDelete; 162 private int mMaxLines; 163 164 /** 165 * Enumerator for avatar position. See attr.xml for more details. 166 * 0 for end, 1 for start. 167 */ 168 private int mAvatarPosition; 169 private static final int AVATAR_POSITION_END = 0; 170 private static final int AVATAR_POSITION_START = 1; 171 172 private Paint mWorkPaint = new Paint(); 173 174 private Tokenizer mTokenizer; 175 private Validator mValidator; 176 private Handler mHandler; 177 private TextWatcher mTextWatcher; 178 private DropdownChipLayouter mDropdownChipLayouter; 179 180 private View mDropdownAnchor = this; 181 private ListPopupWindow mAlternatesPopup; 182 private ListPopupWindow mAddressPopup; 183 private View mAlternatePopupAnchor; 184 private OnItemClickListener mAlternatesListener; 185 186 private DrawableRecipientChip mSelectedChip; 187 private Bitmap mDefaultContactPhoto; 188 private ReplacementDrawableSpan mMoreChip; 189 private TextView mMoreItem; 190 191 private boolean mIsAccessibilityOn; 192 private int mCurrentSuggestionCount; 193 194 // VisibleForTesting 195 final ArrayList<String> mPendingChips = new ArrayList<String>(); 196 197 private int mPendingChipsCount = 0; 198 private int mCheckedItem; 199 private boolean mNoChips = false; 200 private boolean mShouldShrink = true; 201 202 // VisibleForTesting 203 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 204 205 private ArrayList<DrawableRecipientChip> mRemovedSpans; 206 207 // Chip copy fields. 208 private GestureDetector mGestureDetector; 209 private Dialog mCopyDialog; 210 private String mCopyAddress; 211 212 // Obtain the enclosing scroll view, if it exists, so that the view can be 213 // scrolled to show the last line of chips content. 214 private ScrollView mScrollView; 215 private boolean mTriedGettingScrollView; 216 private boolean mDragEnabled = false; 217 218 private boolean mAttachedToWindow; 219 220 private final Runnable mAddTextWatcher = new Runnable() { 221 @Override 222 public void run() { 223 if (mTextWatcher == null) { 224 mTextWatcher = new RecipientTextWatcher(); 225 addTextChangedListener(mTextWatcher); 226 } 227 } 228 }; 229 230 private IndividualReplacementTask mIndividualReplacements; 231 232 private Runnable mHandlePendingChips = new Runnable() { 233 234 @Override 235 public void run() { 236 handlePendingChips(); 237 } 238 239 }; 240 241 private Runnable mDelayedShrink = new Runnable() { 242 243 @Override 244 public void run() { 245 shrink(); 246 } 247 248 }; 249 250 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 251 252 public interface RecipientEntryItemClickedListener { 253 /** 254 * Callback that occurs whenever an auto-complete suggestion is clicked. 255 * @param charactersTyped the number of characters typed by the user to provide the 256 * auto-complete suggestions. 257 * @param position the position in the dropdown list that the user clicked 258 */ 259 void onRecipientEntryItemClicked(int charactersTyped, int position); 260 } 261 262 public RecipientEditTextView(Context context, AttributeSet attrs) { 263 super(context, attrs); 264 setChipDimensions(context, attrs); 265 mTextHeight = calculateTextHeight(); 266 if (sSelectedTextColor == -1) { 267 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 268 } 269 mAlternatesPopup = new ListPopupWindow(context); 270 setupPopupWindow(mAlternatesPopup); 271 mAddressPopup = new ListPopupWindow(context); 272 setupPopupWindow(mAddressPopup); 273 mCopyDialog = new Dialog(context); 274 mAlternatesListener = new OnItemClickListener() { 275 @Override 276 public void onItemClick(AdapterView<?> adapterView,View view, int position, 277 long rowId) { 278 mAlternatesPopup.setOnItemClickListener(null); 279 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 280 .getRecipientEntry(position)); 281 Message delayed = Message.obtain(mHandler, DISMISS); 282 delayed.obj = mAlternatesPopup; 283 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 284 clearComposingText(); 285 } 286 }; 287 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 288 setOnItemClickListener(this); 289 setCustomSelectionActionModeCallback(this); 290 mHandler = new Handler() { 291 @Override 292 public void handleMessage(Message msg) { 293 if (msg.what == DISMISS) { 294 ((ListPopupWindow) msg.obj).dismiss(); 295 return; 296 } 297 super.handleMessage(msg); 298 } 299 }; 300 mTextWatcher = new RecipientTextWatcher(); 301 addTextChangedListener(mTextWatcher); 302 mGestureDetector = new GestureDetector(context, this); 303 setOnEditorActionListener(this); 304 305 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 306 } 307 308 private void setupPopupWindow(ListPopupWindow popup) { 309 popup.setModal(true); 310 popup.setOnDismissListener(new PopupWindow.OnDismissListener() { 311 @Override 312 public void onDismiss() { 313 clearSelectedChip(); 314 } 315 }); 316 } 317 318 @Override 319 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 320 super.onLayout(changed, left, top, right, bottom); 321 322 final AccessibilityManager accessibilityManager = 323 (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 324 mIsAccessibilityOn = accessibilityManager.isEnabled(); 325 } 326 327 private int calculateTextHeight() { 328 final TextPaint paint = getPaint(); 329 330 mRect.setEmpty(); 331 // First measure the bounds of a sample text. 332 final String textHeightSample = "a"; 333 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), mRect); 334 335 mRect.left = 0; 336 mRect.right = 0; 337 338 return mRect.height(); 339 } 340 341 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 342 mDropdownChipLayouter = dropdownChipLayouter; 343 mDropdownChipLayouter.setDeleteListener(this); 344 } 345 346 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 347 mRecipientEntryItemClickedListener = listener; 348 } 349 350 @Override 351 protected void onDetachedFromWindow() { 352 super.onDetachedFromWindow(); 353 mAttachedToWindow = false; 354 } 355 356 @Override 357 protected void onAttachedToWindow() { 358 super.onAttachedToWindow(); 359 mAttachedToWindow = true; 360 361 final int anchorId = getDropDownAnchor(); 362 if (anchorId != View.NO_ID) { 363 mDropdownAnchor = getRootView().findViewById(anchorId); 364 } 365 } 366 367 @Override 368 public void setDropDownAnchor(int anchorId) { 369 super.setDropDownAnchor(anchorId); 370 if (anchorId != View.NO_ID) { 371 mDropdownAnchor = getRootView().findViewById(anchorId); 372 } 373 } 374 375 @Override 376 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 377 if (action == EditorInfo.IME_ACTION_DONE) { 378 if (commitDefault()) { 379 return true; 380 } 381 if (mSelectedChip != null) { 382 clearSelectedChip(); 383 return true; 384 } else if (focusNext()) { 385 return true; 386 } 387 } 388 return false; 389 } 390 391 @Override 392 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 393 InputConnection connection = super.onCreateInputConnection(outAttrs); 394 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 395 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 396 // clear the existing action 397 outAttrs.imeOptions ^= imeActions; 398 // set the DONE action 399 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 400 } 401 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 402 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 403 } 404 405 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 406 407 // Custom action labels are discouraged in L; a checkmark icon is shown in place of the 408 // custom text in this case. 409 outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? null : 410 getContext().getString(R.string.action_label); 411 return connection; 412 } 413 414 /*package*/ DrawableRecipientChip getLastChip() { 415 DrawableRecipientChip last = null; 416 DrawableRecipientChip[] chips = getSortedRecipients(); 417 if (chips != null && chips.length > 0) { 418 last = chips[chips.length - 1]; 419 } 420 return last; 421 } 422 423 /** 424 * @return The list of {@link RecipientEntry}s that have been selected by the user. 425 */ 426 public List<RecipientEntry> getSelectedRecipients() { 427 DrawableRecipientChip[] chips = 428 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 429 List<RecipientEntry> results = new ArrayList(); 430 if (chips == null) { 431 return results; 432 } 433 434 for (DrawableRecipientChip c : chips) { 435 results.add(c.getEntry()); 436 } 437 438 return results; 439 } 440 441 @Override 442 public void onSelectionChanged(int start, int end) { 443 // When selection changes, see if it is inside the chips area. 444 // If so, move the cursor back after the chips again. 445 DrawableRecipientChip last = getLastChip(); 446 if (last != null && start < getSpannable().getSpanEnd(last)) { 447 // Grab the last chip and set the cursor to after it. 448 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 449 } 450 super.onSelectionChanged(start, end); 451 } 452 453 @Override 454 public void onRestoreInstanceState(Parcelable state) { 455 if (!TextUtils.isEmpty(getText())) { 456 super.onRestoreInstanceState(null); 457 } else { 458 super.onRestoreInstanceState(state); 459 } 460 } 461 462 @Override 463 public Parcelable onSaveInstanceState() { 464 // If the user changes orientation while they are editing, just roll back the selection. 465 clearSelectedChip(); 466 return super.onSaveInstanceState(); 467 } 468 469 /** 470 * Convenience method: Append the specified text slice to the TextView's 471 * display buffer, upgrading it to BufferType.EDITABLE if it was 472 * not already editable. Commas are excluded as they are added automatically 473 * by the view. 474 */ 475 @Override 476 public void append(CharSequence text, int start, int end) { 477 // We don't care about watching text changes while appending. 478 if (mTextWatcher != null) { 479 removeTextChangedListener(mTextWatcher); 480 } 481 super.append(text, start, end); 482 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 483 String displayString = text.toString(); 484 485 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 486 // We have no separator, so we should add it 487 super.append(SEPARATOR, 0, SEPARATOR.length()); 488 displayString += SEPARATOR; 489 } 490 491 if (!TextUtils.isEmpty(displayString) 492 && TextUtils.getTrimmedLength(displayString) > 0) { 493 mPendingChipsCount++; 494 mPendingChips.add(displayString); 495 } 496 } 497 // Put a message on the queue to make sure we ALWAYS handle pending 498 // chips. 499 if (mPendingChipsCount > 0) { 500 postHandlePendingChips(); 501 } 502 mHandler.post(mAddTextWatcher); 503 } 504 505 @Override 506 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 507 super.onFocusChanged(hasFocus, direction, previous); 508 if (!hasFocus) { 509 shrink(); 510 } else { 511 expand(); 512 } 513 } 514 515 @Override 516 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 517 super.setAdapter(adapter); 518 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 519 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 520 @Override 521 public void onChanged(List<RecipientEntry> entries) { 522 // Scroll the chips field to the top of the screen so 523 // that the user can see as many results as possible. 524 if (entries != null && entries.size() > 0) { 525 scrollBottomIntoView(); 526 // Here the current suggestion count is still the old one since we update 527 // the count at the bottom of this function. 528 if (mCurrentSuggestionCount == 0) { 529 // Announce the new number of possible choices for accessibility. 530 announceForAccessibilityCompat(getContext().getString( 531 R.string.accessbility_suggestion_dropdown_opened)); 532 } 533 } 534 535 // Set the dropdown height to be the remaining height from the anchor to the bottom. 536 mDropdownAnchor.getLocationInWindow(mCoords); 537 getWindowVisibleDisplayFrame(mRect); 538 setDropDownHeight(mRect.bottom - mCoords[1] - mDropdownAnchor.getHeight() - 539 getDropDownVerticalOffset()); 540 541 mCurrentSuggestionCount = entries == null ? 0 : entries.size(); 542 } 543 }); 544 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 545 } 546 547 private void announceForAccessibilityCompat(String text) { 548 if (mIsAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 549 final ViewParent parent = getParent(); 550 if (parent != null) { 551 AccessibilityEvent event = AccessibilityEvent.obtain( 552 AccessibilityEvent.TYPE_ANNOUNCEMENT); 553 onInitializeAccessibilityEvent(event); 554 event.getText().add(text); 555 event.setContentDescription(null); 556 parent.requestSendAccessibilityEvent(this, event); 557 } 558 } 559 } 560 561 protected void scrollBottomIntoView() { 562 if (mScrollView != null && mShouldShrink) { 563 getLocationInWindow(mCoords); 564 // Desired position shows at least 1 line of chips below the action 565 // bar. We add excess padding to make sure this is always below other 566 // content. 567 final int height = getHeight(); 568 final int currentPos = mCoords[1] + height; 569 mScrollView.getLocationInWindow(mCoords); 570 final int desiredPos = mCoords[1] + height / getLineCount(); 571 if (currentPos > desiredPos) { 572 mScrollView.scrollBy(0, currentPos - desiredPos); 573 } 574 } 575 } 576 577 protected ScrollView getScrollView() { 578 return mScrollView; 579 } 580 581 @Override 582 public void performValidation() { 583 // Do nothing. Chips handles its own validation. 584 } 585 586 private void shrink() { 587 if (mTokenizer == null) { 588 return; 589 } 590 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 591 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 592 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 593 clearSelectedChip(); 594 } else { 595 if (getWidth() <= 0) { 596 // We don't have the width yet which means the view hasn't been drawn yet 597 // and there is no reason to attempt to commit chips yet. 598 // This focus lost must be the result of an orientation change 599 // or an initial rendering. 600 // Re-post the shrink for later. 601 mHandler.removeCallbacks(mDelayedShrink); 602 mHandler.post(mDelayedShrink); 603 return; 604 } 605 // Reset any pending chips as they would have been handled 606 // when the field lost focus. 607 if (mPendingChipsCount > 0) { 608 postHandlePendingChips(); 609 } else { 610 Editable editable = getText(); 611 int end = getSelectionEnd(); 612 int start = mTokenizer.findTokenStart(editable, end); 613 DrawableRecipientChip[] chips = 614 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 615 if ((chips == null || chips.length == 0)) { 616 Editable text = getText(); 617 int whatEnd = mTokenizer.findTokenEnd(text, start); 618 // This token was already tokenized, so skip past the ending token. 619 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 620 whatEnd = movePastTerminators(whatEnd); 621 } 622 // In the middle of chip; treat this as an edit 623 // and commit the whole token. 624 int selEnd = getSelectionEnd(); 625 if (whatEnd != selEnd) { 626 handleEdit(start, whatEnd); 627 } else { 628 commitChip(start, end, editable); 629 } 630 } 631 } 632 mHandler.post(mAddTextWatcher); 633 } 634 createMoreChip(); 635 } 636 637 private void expand() { 638 if (mShouldShrink) { 639 setMaxLines(Integer.MAX_VALUE); 640 } 641 removeMoreChip(); 642 setCursorVisible(true); 643 Editable text = getText(); 644 setSelection(text != null && text.length() > 0 ? text.length() : 0); 645 // If there are any temporary chips, try replacing them now that the user 646 // has expanded the field. 647 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 648 new RecipientReplacementTask().execute(); 649 mTemporaryRecipients = null; 650 } 651 } 652 653 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 654 paint.setTextSize(mChipFontSize); 655 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 656 Log.d(TAG, "Max width is negative: " + maxWidth); 657 } 658 return TextUtils.ellipsize(text, paint, maxWidth, 659 TextUtils.TruncateAt.END); 660 } 661 662 /** 663 * Creates a bitmap of the given contact on a selected chip. 664 * 665 * @param contact The recipient entry to pull data from. 666 * @param paint The paint to use to draw the bitmap. 667 */ 668 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 669 paint.setColor(sSelectedTextColor); 670 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 671 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 672 673 if (bitmapContainer.loadIcon) { 674 loadAvatarIcon(contact, bitmapContainer); 675 } 676 677 return bitmapContainer.bitmap; 678 } 679 680 /** 681 * Creates a bitmap of the given contact on a selected chip. 682 * 683 * @param contact The recipient entry to pull data from. 684 * @param paint The paint to use to draw the bitmap. 685 */ 686 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 687 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 688 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 689 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 690 691 if (bitmapContainer.loadIcon) { 692 loadAvatarIcon(contact, bitmapContainer); 693 } 694 return bitmapContainer.bitmap; 695 } 696 697 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 698 Drawable overrideBackgroundDrawable, int backgroundColor) { 699 final ChipBitmapContainer result = new ChipBitmapContainer(); 700 701 Rect backgroundPadding = new Rect(); 702 if (overrideBackgroundDrawable != null) { 703 overrideBackgroundDrawable.getPadding(backgroundPadding); 704 } 705 706 // Ellipsize the text so that it takes AT MOST the entire width of the 707 // autocomplete text entry area. Make sure to leave space for padding 708 // on the sides. 709 int height = (int) mChipHeight; 710 // Since the icon is a square, it's width is equal to the maximum height it can be inside 711 // the chip. Don't include iconWidth for invalid contacts. 712 int iconWidth = contact.isValid() ? 713 height - backgroundPadding.top - backgroundPadding.bottom : 0; 714 float[] widths = new float[1]; 715 paint.getTextWidths(" ", widths); 716 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 717 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 718 - backgroundPadding.right); 719 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 720 721 // Chip start padding is the same as the end padding if there is no contact image. 722 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 723 // Make sure there is a minimum chip width so the user can ALWAYS 724 // tap a chip without difficulty. 725 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 726 + iconWidth + backgroundPadding.left + backgroundPadding.right); 727 728 // Create the background of the chip. 729 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 730 final Canvas canvas = new Canvas(result.bitmap); 731 732 // Check if the background drawable is set via attr 733 if (overrideBackgroundDrawable != null) { 734 overrideBackgroundDrawable.setBounds(0, 0, width, height); 735 overrideBackgroundDrawable.draw(canvas); 736 } else { 737 // Draw the default chip background 738 mWorkPaint.reset(); 739 mWorkPaint.setColor(backgroundColor); 740 final float radius = height / 2; 741 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 742 mWorkPaint); 743 } 744 745 // Draw the text vertically aligned 746 int textX = shouldPositionAvatarOnRight() ? 747 mChipTextEndPadding + backgroundPadding.left : 748 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 749 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 750 textX, getTextYOffset(height), paint); 751 752 // Set the variables that are needed to draw the icon bitmap once it's loaded 753 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 754 backgroundPadding.left; 755 result.left = iconX; 756 result.top = backgroundPadding.top; 757 result.right = iconX + iconWidth; 758 result.bottom = height - backgroundPadding.bottom; 759 760 return result; 761 } 762 763 /** 764 * Helper function that draws the loaded icon bitmap into the chips bitmap 765 */ 766 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 767 final Canvas canvas = new Canvas(bitMapResult.bitmap); 768 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 769 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 770 bitMapResult.bottom); 771 drawIconOnCanvas(icon, canvas, src, dst); 772 } 773 774 /** 775 * Returns true if the avatar should be positioned at the right edge of the chip. 776 * Takes into account both the set avatar position (start or end) as well as whether 777 * the layout direction is LTR or RTL. 778 */ 779 private boolean shouldPositionAvatarOnRight() { 780 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 781 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 782 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 783 // If in Rtl mode, the position should be flipped. 784 return isRtl ? !assignedPosition : assignedPosition; 785 } 786 787 /** 788 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 789 * draw an icon for this recipient. 790 */ 791 private void loadAvatarIcon(final RecipientEntry contact, 792 final ChipBitmapContainer bitmapContainer) { 793 // Don't draw photos for recipients that have been typed in OR generated on the fly. 794 long contactId = contact.getContactId(); 795 boolean drawPhotos = isPhoneQuery() ? 796 contactId != RecipientEntry.INVALID_CONTACT 797 : (contactId != RecipientEntry.INVALID_CONTACT 798 && contactId != RecipientEntry.GENERATED_CONTACT); 799 800 if (drawPhotos) { 801 final byte[] origPhotoBytes = contact.getPhotoBytes(); 802 // There may not be a photo yet if anything but the first contact address 803 // was selected. 804 if (origPhotoBytes == null) { 805 // TODO: cache this in the recipient entry? 806 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 807 @Override 808 public void onPhotoBytesPopulated() { 809 // Call through to the async version which will ensure 810 // proper threading. 811 onPhotoBytesAsynchronouslyPopulated(); 812 } 813 814 @Override 815 public void onPhotoBytesAsynchronouslyPopulated() { 816 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 817 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 818 loadedPhotoBytes.length); 819 tryDrawAndInvalidate(icon); 820 } 821 822 @Override 823 public void onPhotoBytesAsyncLoadFailed() { 824 // TODO: can the scaled down default photo be cached? 825 tryDrawAndInvalidate(mDefaultContactPhoto); 826 } 827 828 private void tryDrawAndInvalidate(Bitmap icon) { 829 drawIcon(bitmapContainer, icon); 830 // The caller might originated from a background task. However, if the 831 // background task has already completed, the view might be already drawn 832 // on the UI but the callback would happen on the background thread. 833 // So if we are on a background thread, post an invalidate call to the UI. 834 if (Looper.myLooper() == Looper.getMainLooper()) { 835 // The view might not redraw itself since it's loaded asynchronously 836 invalidate(); 837 } else { 838 post(new Runnable() { 839 @Override 840 public void run() { 841 invalidate(); 842 } 843 }); 844 } 845 } 846 }); 847 } else { 848 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 849 origPhotoBytes.length); 850 drawIcon(bitmapContainer, icon); 851 } 852 } 853 } 854 855 /** 856 * Get the background drawable for a RecipientChip. 857 */ 858 // Visible for testing. 859 /* package */Drawable getChipBackground(RecipientEntry contact) { 860 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 861 } 862 863 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 864 return getResources().getColor(contact.isValid() ? R.color.chip_background : 865 R.color.chip_background_invalid); 866 } 867 868 /** 869 * Given a height, returns a Y offset that will draw the text in the middle of the height. 870 */ 871 protected float getTextYOffset(int height) { 872 return height - ((height - mTextHeight) / 2); 873 } 874 875 /** 876 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 877 * rectangle of the canvas. 878 */ 879 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 880 final Matrix matrix = new Matrix(); 881 882 // Draw bitmap through shader first. 883 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 884 matrix.reset(); 885 886 // Fit bitmap to bounds. 887 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 888 889 shader.setLocalMatrix(matrix); 890 mWorkPaint.reset(); 891 mWorkPaint.setShader(shader); 892 mWorkPaint.setAntiAlias(true); 893 mWorkPaint.setFilterBitmap(true); 894 mWorkPaint.setDither(true); 895 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 896 897 // Then draw the border. 898 final float borderWidth = 1f; 899 mWorkPaint.reset(); 900 mWorkPaint.setColor(Color.TRANSPARENT); 901 mWorkPaint.setStyle(Style.STROKE); 902 mWorkPaint.setStrokeWidth(borderWidth); 903 mWorkPaint.setAntiAlias(true); 904 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 905 906 mWorkPaint.reset(); 907 } 908 909 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 910 TextPaint paint = getPaint(); 911 float defaultSize = paint.getTextSize(); 912 int defaultColor = paint.getColor(); 913 914 Bitmap tmpBitmap; 915 if (pressed) { 916 tmpBitmap = createSelectedChip(contact, paint); 917 918 } else { 919 tmpBitmap = createUnselectedChip(contact, paint); 920 } 921 922 // Pass the full text, un-ellipsized, to the chip. 923 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 924 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 925 VisibleRecipientChip recipientChip = 926 new VisibleRecipientChip(result, contact); 927 recipientChip.setExtraMargin(mLineSpacingExtra); 928 // Return text to the original size. 929 paint.setTextSize(defaultSize); 930 paint.setColor(defaultColor); 931 return recipientChip; 932 } 933 934 /** 935 * Calculate the bottom of the line the chip will be located on using: 936 * 1) which line the chip appears on 937 * 2) the height of a chip 938 * 3) padding built into the edit text view 939 */ 940 private int calculateOffsetFromBottom(int line) { 941 // Line offsets start at zero. 942 int actualLine = getLineCount() - (line + 1); 943 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 944 + getDropDownVerticalOffset(); 945 } 946 947 /** 948 * Calculate the offset from bottom of the EditText to top of the provided line. 949 */ 950 private int calculateOffsetFromBottomToTop(int line) { 951 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 952 .abs(getLineCount() - line)) + getPaddingBottom()); 953 } 954 955 /** 956 * Get the max amount of space a chip can take up. The formula takes into 957 * account the width of the EditTextView, any view padding, and padding 958 * that will be added to the chip. 959 */ 960 private float calculateAvailableWidth() { 961 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 962 - mChipTextEndPadding; 963 } 964 965 966 private void setChipDimensions(Context context, AttributeSet attrs) { 967 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 968 0); 969 Resources r = getContext().getResources(); 970 971 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 972 mChipBackgroundPressed = a 973 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 974 mInvalidChipBackground = a 975 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 976 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 977 if (mChipDelete == null) { 978 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 979 } 980 mChipTextStartPadding = mChipTextEndPadding 981 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 982 if (mChipTextStartPadding == -1) { 983 mChipTextStartPadding = mChipTextEndPadding = 984 (int) r.getDimension(R.dimen.chip_padding); 985 } 986 // xml-overrides for each individual padding 987 // TODO: add these to attr? 988 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 989 if (overridePadding >= 0) { 990 mChipTextStartPadding = overridePadding; 991 } 992 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 993 if (overridePadding >= 0) { 994 mChipTextEndPadding = overridePadding; 995 } 996 997 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 998 999 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 1000 1001 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 1002 if (mChipHeight == -1) { 1003 mChipHeight = r.getDimension(R.dimen.chip_height); 1004 } 1005 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 1006 if (mChipFontSize == -1) { 1007 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 1008 } 1009 mAvatarPosition = 1010 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 1011 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 1012 1013 mMaxLines = r.getInteger(R.integer.chips_max_lines); 1014 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 1015 1016 a.recycle(); 1017 } 1018 1019 // Visible for testing. 1020 /* package */ void setMoreItem(TextView moreItem) { 1021 mMoreItem = moreItem; 1022 } 1023 1024 1025 // Visible for testing. 1026 /* package */ void setChipBackground(Drawable chipBackground) { 1027 mChipBackground = chipBackground; 1028 } 1029 1030 // Visible for testing. 1031 /* package */ void setChipHeight(int height) { 1032 mChipHeight = height; 1033 } 1034 1035 public float getChipHeight() { 1036 return mChipHeight; 1037 } 1038 1039 /** 1040 * Set whether to shrink the recipients field such that at most 1041 * one line of recipients chips are shown when the field loses 1042 * focus. By default, the number of displayed recipients will be 1043 * limited and a "more" chip will be shown when focus is lost. 1044 * @param shrink 1045 */ 1046 public void setOnFocusListShrinkRecipients(boolean shrink) { 1047 mShouldShrink = shrink; 1048 } 1049 1050 @Override 1051 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1052 super.onSizeChanged(width, height, oldw, oldh); 1053 if (width != 0 && height != 0) { 1054 if (mPendingChipsCount > 0) { 1055 postHandlePendingChips(); 1056 } else { 1057 checkChipWidths(); 1058 } 1059 } 1060 // Try to find the scroll view parent, if it exists. 1061 if (mScrollView == null && !mTriedGettingScrollView) { 1062 ViewParent parent = getParent(); 1063 while (parent != null && !(parent instanceof ScrollView)) { 1064 parent = parent.getParent(); 1065 } 1066 if (parent != null) { 1067 mScrollView = (ScrollView) parent; 1068 } 1069 mTriedGettingScrollView = true; 1070 } 1071 } 1072 1073 private void postHandlePendingChips() { 1074 mHandler.removeCallbacks(mHandlePendingChips); 1075 mHandler.post(mHandlePendingChips); 1076 } 1077 1078 private void checkChipWidths() { 1079 // Check the widths of the associated chips. 1080 DrawableRecipientChip[] chips = getSortedRecipients(); 1081 if (chips != null) { 1082 Rect bounds; 1083 for (DrawableRecipientChip chip : chips) { 1084 bounds = chip.getBounds(); 1085 if (getWidth() > 0 && bounds.right - bounds.left > 1086 getWidth() - getPaddingLeft() - getPaddingRight()) { 1087 // Need to redraw that chip. 1088 replaceChip(chip, chip.getEntry()); 1089 } 1090 } 1091 } 1092 } 1093 1094 // Visible for testing. 1095 /*package*/ void handlePendingChips() { 1096 if (getViewWidth() <= 0) { 1097 // The widget has not been sized yet. 1098 // This will be called as a result of onSizeChanged 1099 // at a later point. 1100 return; 1101 } 1102 if (mPendingChipsCount <= 0) { 1103 return; 1104 } 1105 1106 synchronized (mPendingChips) { 1107 Editable editable = getText(); 1108 // Tokenize! 1109 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1110 for (int i = 0; i < mPendingChips.size(); i++) { 1111 String current = mPendingChips.get(i); 1112 int tokenStart = editable.toString().indexOf(current); 1113 // Always leave a space at the end between tokens. 1114 int tokenEnd = tokenStart + current.length() - 1; 1115 if (tokenStart >= 0) { 1116 // When we have a valid token, include it with the token 1117 // to the left. 1118 if (tokenEnd < editable.length() - 2 1119 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1120 tokenEnd++; 1121 } 1122 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1123 || !mShouldShrink); 1124 } 1125 mPendingChipsCount--; 1126 } 1127 sanitizeEnd(); 1128 } else { 1129 mNoChips = true; 1130 } 1131 1132 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1133 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1134 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1135 new RecipientReplacementTask().execute(); 1136 mTemporaryRecipients = null; 1137 } else { 1138 // Create the "more" chip 1139 mIndividualReplacements = new IndividualReplacementTask(); 1140 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1141 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1142 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1143 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1144 mTemporaryRecipients.subList(CHIP_LIMIT, 1145 mTemporaryRecipients.size())); 1146 } else { 1147 mTemporaryRecipients = null; 1148 } 1149 createMoreChip(); 1150 } 1151 } else { 1152 // There are too many recipients to look up, so just fall back 1153 // to showing addresses for all of them. 1154 mTemporaryRecipients = null; 1155 createMoreChip(); 1156 } 1157 mPendingChipsCount = 0; 1158 mPendingChips.clear(); 1159 } 1160 } 1161 1162 // Visible for testing. 1163 /*package*/ int getViewWidth() { 1164 return getWidth(); 1165 } 1166 1167 /** 1168 * Remove any characters after the last valid chip. 1169 */ 1170 // Visible for testing. 1171 /*package*/ void sanitizeEnd() { 1172 // Don't sanitize while we are waiting for pending chips to complete. 1173 if (mPendingChipsCount > 0) { 1174 return; 1175 } 1176 // Find the last chip; eliminate any commit characters after it. 1177 DrawableRecipientChip[] chips = getSortedRecipients(); 1178 Spannable spannable = getSpannable(); 1179 if (chips != null && chips.length > 0) { 1180 int end; 1181 mMoreChip = getMoreChip(); 1182 if (mMoreChip != null) { 1183 end = spannable.getSpanEnd(mMoreChip); 1184 } else { 1185 end = getSpannable().getSpanEnd(getLastChip()); 1186 } 1187 Editable editable = getText(); 1188 int length = editable.length(); 1189 if (length > end) { 1190 // See what characters occur after that and eliminate them. 1191 if (Log.isLoggable(TAG, Log.DEBUG)) { 1192 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1193 + editable); 1194 } 1195 editable.delete(end + 1, length); 1196 } 1197 } 1198 } 1199 1200 /** 1201 * Create a chip that represents just the email address of a recipient. At some later 1202 * point, this chip will be attached to a real contact entry, if one exists. 1203 */ 1204 // VisibleForTesting 1205 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1206 boolean visible) { 1207 if (alreadyHasChip(tokenStart, tokenEnd)) { 1208 // There is already a chip present at this location. 1209 // Don't recreate it. 1210 return; 1211 } 1212 String token = editable.toString().substring(tokenStart, tokenEnd); 1213 final String trimmedToken = token.trim(); 1214 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1215 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1216 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1217 } 1218 RecipientEntry entry = createTokenizedEntry(token); 1219 if (entry != null) { 1220 DrawableRecipientChip chip = null; 1221 try { 1222 if (!mNoChips) { 1223 chip = visible ? 1224 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1225 } 1226 } catch (NullPointerException e) { 1227 Log.e(TAG, e.getMessage(), e); 1228 } 1229 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1230 // Add this chip to the list of entries "to replace" 1231 if (chip != null) { 1232 if (mTemporaryRecipients == null) { 1233 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1234 } 1235 chip.setOriginalText(token); 1236 mTemporaryRecipients.add(chip); 1237 } 1238 } 1239 } 1240 1241 private static boolean isPhoneNumber(String number) { 1242 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1243 // PhoneNumberUtil). One complication is that it requires the sender's region which 1244 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1245 if (TextUtils.isEmpty(number)) { 1246 return false; 1247 } 1248 1249 Matcher match = PHONE_PATTERN.matcher(number); 1250 return match.matches(); 1251 } 1252 1253 // VisibleForTesting 1254 RecipientEntry createTokenizedEntry(final String token) { 1255 if (TextUtils.isEmpty(token)) { 1256 return null; 1257 } 1258 if (isPhoneQuery() && isPhoneNumber(token)) { 1259 return RecipientEntry.constructFakePhoneEntry(token, true); 1260 } 1261 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1262 String display = null; 1263 boolean isValid = isValid(token); 1264 if (isValid && tokens != null && tokens.length > 0) { 1265 // If we can get a name from tokenizing, then generate an entry from 1266 // this. 1267 display = tokens[0].getName(); 1268 if (!TextUtils.isEmpty(display)) { 1269 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1270 isValid); 1271 } else { 1272 display = tokens[0].getAddress(); 1273 if (!TextUtils.isEmpty(display)) { 1274 return RecipientEntry.constructFakeEntry(display, isValid); 1275 } 1276 } 1277 } 1278 // Unable to validate the token or to create a valid token from it. 1279 // Just create a chip the user can edit. 1280 String validatedToken = null; 1281 if (mValidator != null && !isValid) { 1282 // Try fixing up the entry using the validator. 1283 validatedToken = mValidator.fixText(token).toString(); 1284 if (!TextUtils.isEmpty(validatedToken)) { 1285 if (validatedToken.contains(token)) { 1286 // protect against the case of a validator with a null 1287 // domain, 1288 // which doesn't add a domain to the token 1289 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1290 if (tokenized.length > 0) { 1291 validatedToken = tokenized[0].getAddress(); 1292 isValid = true; 1293 } 1294 } else { 1295 // We ran into a case where the token was invalid and 1296 // removed 1297 // by the validator. In this case, just use the original 1298 // token 1299 // and let the user sort out the error chip. 1300 validatedToken = null; 1301 isValid = false; 1302 } 1303 } 1304 } 1305 // Otherwise, fallback to just creating an editable email address chip. 1306 return RecipientEntry.constructFakeEntry( 1307 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1308 } 1309 1310 private boolean isValid(String text) { 1311 return mValidator == null ? true : mValidator.isValid(text); 1312 } 1313 1314 private static String tokenizeAddress(String destination) { 1315 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1316 if (tokens != null && tokens.length > 0) { 1317 return tokens[0].getAddress(); 1318 } 1319 return destination; 1320 } 1321 1322 @Override 1323 public void setTokenizer(Tokenizer tokenizer) { 1324 mTokenizer = tokenizer; 1325 super.setTokenizer(mTokenizer); 1326 } 1327 1328 @Override 1329 public void setValidator(Validator validator) { 1330 mValidator = validator; 1331 super.setValidator(validator); 1332 } 1333 1334 /** 1335 * We cannot use the default mechanism for replaceText. Instead, 1336 * we override onItemClickListener so we can get all the associated 1337 * contact information including display text, address, and id. 1338 */ 1339 @Override 1340 protected void replaceText(CharSequence text) { 1341 return; 1342 } 1343 1344 /** 1345 * Dismiss any selected chips when the back key is pressed. 1346 */ 1347 @Override 1348 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1349 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1350 clearSelectedChip(); 1351 return true; 1352 } 1353 return super.onKeyPreIme(keyCode, event); 1354 } 1355 1356 /** 1357 * Monitor key presses in this view to see if the user types 1358 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1359 * If the user has entered text that has contact matches and types 1360 * a commit key, create a chip from the topmost matching contact. 1361 * If the user has entered text that has no contact matches and types 1362 * a commit key, then create a chip from the text they have entered. 1363 */ 1364 @Override 1365 public boolean onKeyUp(int keyCode, KeyEvent event) { 1366 switch (keyCode) { 1367 case KeyEvent.KEYCODE_TAB: 1368 if (event.hasNoModifiers()) { 1369 if (mSelectedChip != null) { 1370 clearSelectedChip(); 1371 } else { 1372 commitDefault(); 1373 } 1374 } 1375 break; 1376 } 1377 return super.onKeyUp(keyCode, event); 1378 } 1379 1380 private boolean focusNext() { 1381 View next = focusSearch(View.FOCUS_DOWN); 1382 if (next != null) { 1383 next.requestFocus(); 1384 return true; 1385 } 1386 return false; 1387 } 1388 1389 /** 1390 * Create a chip from the default selection. If the popup is showing, the 1391 * default is the selected item (if one is selected), or the first item, in the popup 1392 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1393 * tokenizer should search for a token to turn into a chip. 1394 * @return If a chip was created from a real contact. 1395 */ 1396 private boolean commitDefault() { 1397 // If there is no tokenizer, don't try to commit. 1398 if (mTokenizer == null) { 1399 return false; 1400 } 1401 Editable editable = getText(); 1402 int end = getSelectionEnd(); 1403 int start = mTokenizer.findTokenStart(editable, end); 1404 1405 if (shouldCreateChip(start, end)) { 1406 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1407 // In the middle of chip; treat this as an edit 1408 // and commit the whole token. 1409 whatEnd = movePastTerminators(whatEnd); 1410 if (whatEnd != getSelectionEnd()) { 1411 handleEdit(start, whatEnd); 1412 return true; 1413 } 1414 return commitChip(start, end , editable); 1415 } 1416 return false; 1417 } 1418 1419 private void commitByCharacter() { 1420 // We can't possibly commit by character if we can't tokenize. 1421 if (mTokenizer == null) { 1422 return; 1423 } 1424 Editable editable = getText(); 1425 int end = getSelectionEnd(); 1426 int start = mTokenizer.findTokenStart(editable, end); 1427 if (shouldCreateChip(start, end)) { 1428 commitChip(start, end, editable); 1429 } 1430 setSelection(getText().length()); 1431 } 1432 1433 private boolean commitChip(int start, int end, Editable editable) { 1434 ListAdapter adapter = getAdapter(); 1435 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1436 && end == getSelectionEnd() && !isPhoneQuery()) { 1437 // let's choose the selected or first entry if only the input text is NOT an email 1438 // address so we won't try to replace the user's potentially correct but 1439 // new/unencountered email input 1440 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1441 final int selectedPosition = getListSelection(); 1442 if (selectedPosition == -1) { 1443 // Nothing is selected; use the first item 1444 submitItemAtPosition(0); 1445 } else { 1446 submitItemAtPosition(selectedPosition); 1447 } 1448 } 1449 dismissDropDown(); 1450 return true; 1451 } else { 1452 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1453 if (editable.length() > tokenEnd + 1) { 1454 char charAt = editable.charAt(tokenEnd + 1); 1455 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1456 tokenEnd++; 1457 } 1458 } 1459 String text = editable.toString().substring(start, tokenEnd).trim(); 1460 clearComposingText(); 1461 if (text != null && text.length() > 0 && !text.equals(" ")) { 1462 RecipientEntry entry = createTokenizedEntry(text); 1463 if (entry != null) { 1464 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1465 CharSequence chipText = createChip(entry, false); 1466 if (chipText != null && start > -1 && end > -1) { 1467 editable.replace(start, end, chipText); 1468 } 1469 } 1470 // Only dismiss the dropdown if it is related to the text we 1471 // just committed. 1472 // For paste, it may not be as there are possibly multiple 1473 // tokens being added. 1474 if (end == getSelectionEnd()) { 1475 dismissDropDown(); 1476 } 1477 sanitizeBetween(); 1478 return true; 1479 } 1480 } 1481 return false; 1482 } 1483 1484 // Visible for testing. 1485 /* package */ void sanitizeBetween() { 1486 // Don't sanitize while we are waiting for content to chipify. 1487 if (mPendingChipsCount > 0) { 1488 return; 1489 } 1490 // Find the last chip. 1491 DrawableRecipientChip[] recips = getSortedRecipients(); 1492 if (recips != null && recips.length > 0) { 1493 DrawableRecipientChip last = recips[recips.length - 1]; 1494 DrawableRecipientChip beforeLast = null; 1495 if (recips.length > 1) { 1496 beforeLast = recips[recips.length - 2]; 1497 } 1498 int startLooking = 0; 1499 int end = getSpannable().getSpanStart(last); 1500 if (beforeLast != null) { 1501 startLooking = getSpannable().getSpanEnd(beforeLast); 1502 Editable text = getText(); 1503 if (startLooking == -1 || startLooking > text.length() - 1) { 1504 // There is nothing after this chip. 1505 return; 1506 } 1507 if (text.charAt(startLooking) == ' ') { 1508 startLooking++; 1509 } 1510 } 1511 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1512 getText().delete(startLooking, end); 1513 } 1514 } 1515 } 1516 1517 private boolean shouldCreateChip(int start, int end) { 1518 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1519 } 1520 1521 private boolean alreadyHasChip(int start, int end) { 1522 if (mNoChips) { 1523 return true; 1524 } 1525 DrawableRecipientChip[] chips = 1526 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1527 if ((chips == null || chips.length == 0)) { 1528 return false; 1529 } 1530 return true; 1531 } 1532 1533 private void handleEdit(int start, int end) { 1534 if (start == -1 || end == -1) { 1535 // This chip no longer exists in the field. 1536 dismissDropDown(); 1537 return; 1538 } 1539 // This is in the middle of a chip, so select out the whole chip 1540 // and commit it. 1541 Editable editable = getText(); 1542 setSelection(end); 1543 String text = getText().toString().substring(start, end); 1544 if (!TextUtils.isEmpty(text)) { 1545 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1546 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1547 CharSequence chipText = createChip(entry, false); 1548 int selEnd = getSelectionEnd(); 1549 if (chipText != null && start > -1 && selEnd > -1) { 1550 editable.replace(start, selEnd, chipText); 1551 } 1552 } 1553 dismissDropDown(); 1554 } 1555 1556 /** 1557 * If there is a selected chip, delegate the key events 1558 * to the selected chip. 1559 */ 1560 @Override 1561 public boolean onKeyDown(int keyCode, KeyEvent event) { 1562 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1563 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1564 mAlternatesPopup.dismiss(); 1565 } 1566 removeChip(mSelectedChip); 1567 } 1568 1569 switch (keyCode) { 1570 case KeyEvent.KEYCODE_ENTER: 1571 case KeyEvent.KEYCODE_DPAD_CENTER: 1572 if (event.hasNoModifiers()) { 1573 if (commitDefault()) { 1574 return true; 1575 } 1576 if (mSelectedChip != null) { 1577 clearSelectedChip(); 1578 return true; 1579 } else if (focusNext()) { 1580 return true; 1581 } 1582 } 1583 break; 1584 } 1585 1586 return super.onKeyDown(keyCode, event); 1587 } 1588 1589 // Visible for testing. 1590 /* package */ Spannable getSpannable() { 1591 return getText(); 1592 } 1593 1594 private int getChipStart(DrawableRecipientChip chip) { 1595 return getSpannable().getSpanStart(chip); 1596 } 1597 1598 private int getChipEnd(DrawableRecipientChip chip) { 1599 return getSpannable().getSpanEnd(chip); 1600 } 1601 1602 /** 1603 * Instead of filtering on the entire contents of the edit box, 1604 * this subclass method filters on the range from 1605 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1606 * if the length of that range meets or exceeds {@link #getThreshold} 1607 * and makes sure that the range is not already a Chip. 1608 */ 1609 @Override 1610 protected void performFiltering(CharSequence text, int keyCode) { 1611 boolean isCompletedToken = isCompletedToken(text); 1612 if (enoughToFilter() && !isCompletedToken) { 1613 int end = getSelectionEnd(); 1614 int start = mTokenizer.findTokenStart(text, end); 1615 // If this is a RecipientChip, don't filter 1616 // on its contents. 1617 Spannable span = getSpannable(); 1618 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1619 if (chips != null && chips.length > 0) { 1620 dismissDropDown(); 1621 return; 1622 } 1623 } else if (isCompletedToken) { 1624 dismissDropDown(); 1625 return; 1626 } 1627 super.performFiltering(text, keyCode); 1628 } 1629 1630 // Visible for testing. 1631 /*package*/ boolean isCompletedToken(CharSequence text) { 1632 if (TextUtils.isEmpty(text)) { 1633 return false; 1634 } 1635 // Check to see if this is a completed token before filtering. 1636 int end = text.length(); 1637 int start = mTokenizer.findTokenStart(text, end); 1638 String token = text.toString().substring(start, end).trim(); 1639 if (!TextUtils.isEmpty(token)) { 1640 char atEnd = token.charAt(token.length() - 1); 1641 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1642 } 1643 return false; 1644 } 1645 1646 /** 1647 * Clears the selected chip if there is one (and dismissing any popups related to the selected 1648 * chip in the process). 1649 */ 1650 public void clearSelectedChip() { 1651 if (mSelectedChip != null) { 1652 unselectChip(mSelectedChip); 1653 mSelectedChip = null; 1654 } 1655 setCursorVisible(true); 1656 } 1657 1658 /** 1659 * Monitor touch events in the RecipientEditTextView. 1660 * If the view does not have focus, any tap on the view 1661 * will just focus the view. If the view has focus, determine 1662 * if the touch target is a recipient chip. If it is and the chip 1663 * is not selected, select it and clear any other selected chips. 1664 * If it isn't, then select that chip. 1665 */ 1666 @Override 1667 public boolean onTouchEvent(MotionEvent event) { 1668 if (!isFocused()) { 1669 // Ignore any chip taps until this view is focused. 1670 return super.onTouchEvent(event); 1671 } 1672 boolean handled = super.onTouchEvent(event); 1673 int action = event.getAction(); 1674 boolean chipWasSelected = false; 1675 if (mSelectedChip == null) { 1676 mGestureDetector.onTouchEvent(event); 1677 } 1678 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1679 float x = event.getX(); 1680 float y = event.getY(); 1681 int offset = putOffsetInRange(x, y); 1682 DrawableRecipientChip currentChip = findChip(offset); 1683 if (currentChip != null) { 1684 if (action == MotionEvent.ACTION_UP) { 1685 if (mSelectedChip != null && mSelectedChip != currentChip) { 1686 clearSelectedChip(); 1687 mSelectedChip = selectChip(currentChip); 1688 } else if (mSelectedChip == null) { 1689 setSelection(getText().length()); 1690 commitDefault(); 1691 mSelectedChip = selectChip(currentChip); 1692 } else { 1693 onClick(mSelectedChip); 1694 } 1695 } 1696 chipWasSelected = true; 1697 handled = true; 1698 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1699 chipWasSelected = true; 1700 } 1701 } 1702 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1703 clearSelectedChip(); 1704 } 1705 return handled; 1706 } 1707 1708 private void scrollLineIntoView(int line) { 1709 if (mScrollView != null) { 1710 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1711 } 1712 } 1713 1714 private void showAlternates(final DrawableRecipientChip currentChip, 1715 final ListPopupWindow alternatesPopup) { 1716 new AsyncTask<Void, Void, ListAdapter>() { 1717 @Override 1718 protected ListAdapter doInBackground(final Void... params) { 1719 return createAlternatesAdapter(currentChip); 1720 } 1721 1722 @Override 1723 protected void onPostExecute(final ListAdapter result) { 1724 if (!mAttachedToWindow) { 1725 return; 1726 } 1727 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1728 int bottomOffset = calculateOffsetFromBottomToTop(line); 1729 1730 // Align the alternates popup with the left side of the View, 1731 // regardless of the position of the chip tapped. 1732 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1733 mAlternatePopupAnchor : RecipientEditTextView.this); 1734 alternatesPopup.setVerticalOffset(bottomOffset); 1735 alternatesPopup.setAdapter(result); 1736 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1737 // Clear the checked item. 1738 mCheckedItem = -1; 1739 alternatesPopup.show(); 1740 ListView listView = alternatesPopup.getListView(); 1741 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1742 // Checked item would be -1 if the adapter has not 1743 // loaded the view that should be checked yet. The 1744 // variable will be set correctly when onCheckedItemChanged 1745 // is called in a separate thread. 1746 if (mCheckedItem != -1) { 1747 listView.setItemChecked(mCheckedItem, true); 1748 mCheckedItem = -1; 1749 } 1750 } 1751 }.execute((Void[]) null); 1752 } 1753 1754 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1755 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1756 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1757 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1758 constructStateListDeleteDrawable()); 1759 } 1760 1761 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1762 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1763 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1764 } 1765 1766 private StateListDrawable constructStateListDeleteDrawable() { 1767 // Construct the StateListDrawable from deleteDrawable 1768 StateListDrawable deleteDrawable = new StateListDrawable(); 1769 if (!mDisableDelete) { 1770 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1771 } 1772 deleteDrawable.addState(new int[0], null); 1773 return deleteDrawable; 1774 } 1775 1776 @Override 1777 public void onCheckedItemChanged(int position) { 1778 ListView listView = mAlternatesPopup.getListView(); 1779 if (listView != null && listView.getCheckedItemCount() == 0) { 1780 listView.setItemChecked(position, true); 1781 } 1782 mCheckedItem = position; 1783 } 1784 1785 private int putOffsetInRange(final float x, final float y) { 1786 final int offset; 1787 1788 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1789 offset = getOffsetForPosition(x, y); 1790 } else { 1791 offset = supportGetOffsetForPosition(x, y); 1792 } 1793 1794 return putOffsetInRange(offset); 1795 } 1796 1797 // TODO: This algorithm will need a lot of tweaking after more people have used 1798 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1799 // what comes before the finger. 1800 private int putOffsetInRange(int o) { 1801 int offset = o; 1802 Editable text = getText(); 1803 int length = text.length(); 1804 // Remove whitespace from end to find "real end" 1805 int realLength = length; 1806 for (int i = length - 1; i >= 0; i--) { 1807 if (text.charAt(i) == ' ') { 1808 realLength--; 1809 } else { 1810 break; 1811 } 1812 } 1813 1814 // If the offset is beyond or at the end of the text, 1815 // leave it alone. 1816 if (offset >= realLength) { 1817 return offset; 1818 } 1819 Editable editable = getText(); 1820 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1821 // Keep walking backward! 1822 offset--; 1823 } 1824 return offset; 1825 } 1826 1827 private static int findText(Editable text, int offset) { 1828 if (text.charAt(offset) != ' ') { 1829 return offset; 1830 } 1831 return -1; 1832 } 1833 1834 private DrawableRecipientChip findChip(int offset) { 1835 DrawableRecipientChip[] chips = 1836 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1837 // Find the chip that contains this offset. 1838 for (int i = 0; i < chips.length; i++) { 1839 DrawableRecipientChip chip = chips[i]; 1840 int start = getChipStart(chip); 1841 int end = getChipEnd(chip); 1842 if (offset >= start && offset <= end) { 1843 return chip; 1844 } 1845 } 1846 return null; 1847 } 1848 1849 // Visible for testing. 1850 // Use this method to generate text to add to the list of addresses. 1851 /* package */String createAddressText(RecipientEntry entry) { 1852 String display = entry.getDisplayName(); 1853 String address = entry.getDestination(); 1854 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1855 display = null; 1856 } 1857 String trimmedDisplayText; 1858 if (isPhoneQuery() && isPhoneNumber(address)) { 1859 trimmedDisplayText = address.trim(); 1860 } else { 1861 if (address != null) { 1862 // Tokenize out the address in case the address already 1863 // contained the username as well. 1864 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1865 if (tokenized != null && tokenized.length > 0) { 1866 address = tokenized[0].getAddress(); 1867 } 1868 } 1869 Rfc822Token token = new Rfc822Token(display, address, null); 1870 trimmedDisplayText = token.toString().trim(); 1871 } 1872 int index = trimmedDisplayText.indexOf(","); 1873 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1874 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1875 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1876 } 1877 1878 // Visible for testing. 1879 // Use this method to generate text to display in a chip. 1880 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1881 String display = entry.getDisplayName(); 1882 String address = entry.getDestination(); 1883 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1884 display = null; 1885 } 1886 if (!TextUtils.isEmpty(display)) { 1887 return display; 1888 } else if (!TextUtils.isEmpty(address)){ 1889 return address; 1890 } else { 1891 return new Rfc822Token(display, address, null).toString(); 1892 } 1893 } 1894 1895 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1896 final String displayText = createAddressText(entry); 1897 if (TextUtils.isEmpty(displayText)) { 1898 return null; 1899 } 1900 // Always leave a blank space at the end of a chip. 1901 final int textLength = displayText.length() - 1; 1902 final SpannableString chipText = new SpannableString(displayText); 1903 if (!mNoChips) { 1904 try { 1905 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1906 chipText.setSpan(chip, 0, textLength, 1907 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1908 chip.setOriginalText(chipText.toString()); 1909 } catch (NullPointerException e) { 1910 Log.e(TAG, e.getMessage(), e); 1911 return null; 1912 } 1913 } 1914 onChipCreated(entry); 1915 return chipText; 1916 } 1917 1918 /** 1919 * A callback for subclasses to use to know when a chip was created with the 1920 * given RecipientEntry. 1921 */ 1922 protected void onChipCreated(RecipientEntry entry) {} 1923 1924 /** 1925 * When an item in the suggestions list has been clicked, create a chip from the 1926 * contact information of the selected item. 1927 */ 1928 @Override 1929 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1930 if (position < 0) { 1931 return; 1932 } 1933 1934 final int charactersTyped = submitItemAtPosition(position); 1935 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1936 mRecipientEntryItemClickedListener 1937 .onRecipientEntryItemClicked(charactersTyped, position); 1938 } 1939 } 1940 1941 private int submitItemAtPosition(int position) { 1942 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1943 if (entry == null) { 1944 return -1; 1945 } 1946 clearComposingText(); 1947 1948 int end = getSelectionEnd(); 1949 int start = mTokenizer.findTokenStart(getText(), end); 1950 1951 Editable editable = getText(); 1952 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1953 CharSequence chip = createChip(entry, false); 1954 if (chip != null && start >= 0 && end >= 0) { 1955 editable.replace(start, end, chip); 1956 } 1957 sanitizeBetween(); 1958 1959 return end - start; 1960 } 1961 1962 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1963 if (item == null) { 1964 return null; 1965 } 1966 final RecipientEntry entry; 1967 // If the display name and the address are the same, or if this is a 1968 // valid contact, but the destination is invalid, then make this a fake 1969 // recipient that is editable. 1970 String destination = item.getDestination(); 1971 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1972 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1973 destination, item.isValid()); 1974 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1975 && (TextUtils.isEmpty(item.getDisplayName()) 1976 || TextUtils.equals(item.getDisplayName(), destination) 1977 || (mValidator != null && !mValidator.isValid(destination)))) { 1978 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1979 } else { 1980 entry = item; 1981 } 1982 return entry; 1983 } 1984 1985 // Visible for testing. 1986 /* package */DrawableRecipientChip[] getSortedRecipients() { 1987 DrawableRecipientChip[] recips = getSpannable() 1988 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1989 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1990 Arrays.asList(recips)); 1991 final Spannable spannable = getSpannable(); 1992 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1993 1994 @Override 1995 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1996 int firstStart = spannable.getSpanStart(first); 1997 int secondStart = spannable.getSpanStart(second); 1998 if (firstStart < secondStart) { 1999 return -1; 2000 } else if (firstStart > secondStart) { 2001 return 1; 2002 } else { 2003 return 0; 2004 } 2005 } 2006 }); 2007 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 2008 } 2009 2010 @Override 2011 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 2012 return false; 2013 } 2014 2015 @Override 2016 public void onDestroyActionMode(ActionMode mode) { 2017 } 2018 2019 @Override 2020 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2021 return false; 2022 } 2023 2024 /** 2025 * No chips are selectable. 2026 */ 2027 @Override 2028 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2029 return false; 2030 } 2031 2032 // Visible for testing. 2033 /* package */ReplacementDrawableSpan getMoreChip() { 2034 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2035 MoreImageSpan.class); 2036 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2037 } 2038 2039 private MoreImageSpan createMoreSpan(int count) { 2040 String moreText = String.format(mMoreItem.getText().toString(), count); 2041 mWorkPaint.set(getPaint()); 2042 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 2043 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 2044 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2045 + mMoreItem.getPaddingRight(); 2046 final int height = (int) mChipHeight; 2047 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2048 Canvas canvas = new Canvas(drawable); 2049 int adjustedHeight = height; 2050 Layout layout = getLayout(); 2051 if (layout != null) { 2052 adjustedHeight -= layout.getLineDescent(0); 2053 } 2054 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 2055 2056 Drawable result = new BitmapDrawable(getResources(), drawable); 2057 result.setBounds(0, 0, width, height); 2058 return new MoreImageSpan(result); 2059 } 2060 2061 // Visible for testing. 2062 /*package*/ void createMoreChipPlainText() { 2063 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2064 Editable text = getText(); 2065 int start = 0; 2066 int end = start; 2067 for (int i = 0; i < CHIP_LIMIT; i++) { 2068 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2069 start = end; // move to the next token and get its end. 2070 } 2071 // Now, count total addresses. 2072 start = 0; 2073 int tokenCount = countTokens(text); 2074 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2075 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2076 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2077 text.replace(end, text.length(), chipText); 2078 mMoreChip = moreSpan; 2079 } 2080 2081 // Visible for testing. 2082 /* package */int countTokens(Editable text) { 2083 int tokenCount = 0; 2084 int start = 0; 2085 while (start < text.length()) { 2086 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2087 tokenCount++; 2088 if (start >= text.length()) { 2089 break; 2090 } 2091 } 2092 return tokenCount; 2093 } 2094 2095 /** 2096 * Create the more chip. The more chip is text that replaces any chips that 2097 * do not fit in the pre-defined available space when the 2098 * RecipientEditTextView loses focus. 2099 */ 2100 // Visible for testing. 2101 /* package */ void createMoreChip() { 2102 if (mNoChips) { 2103 createMoreChipPlainText(); 2104 return; 2105 } 2106 2107 if (!mShouldShrink) { 2108 return; 2109 } 2110 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2111 MoreImageSpan.class); 2112 if (tempMore.length > 0) { 2113 getSpannable().removeSpan(tempMore[0]); 2114 } 2115 DrawableRecipientChip[] recipients = getSortedRecipients(); 2116 2117 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2118 mMoreChip = null; 2119 return; 2120 } 2121 Spannable spannable = getSpannable(); 2122 int numRecipients = recipients.length; 2123 int overage = numRecipients - CHIP_LIMIT; 2124 MoreImageSpan moreSpan = createMoreSpan(overage); 2125 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2126 int totalReplaceStart = 0; 2127 int totalReplaceEnd = 0; 2128 Editable text = getText(); 2129 for (int i = numRecipients - overage; i < recipients.length; i++) { 2130 mRemovedSpans.add(recipients[i]); 2131 if (i == numRecipients - overage) { 2132 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2133 } 2134 if (i == recipients.length - 1) { 2135 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2136 } 2137 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2138 int spanStart = spannable.getSpanStart(recipients[i]); 2139 int spanEnd = spannable.getSpanEnd(recipients[i]); 2140 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2141 } 2142 spannable.removeSpan(recipients[i]); 2143 } 2144 if (totalReplaceEnd < text.length()) { 2145 totalReplaceEnd = text.length(); 2146 } 2147 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2148 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2149 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2150 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2151 text.replace(start, end, chipText); 2152 mMoreChip = moreSpan; 2153 // If adding the +more chip goes over the limit, resize accordingly. 2154 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2155 setMaxLines(getLineCount()); 2156 } 2157 } 2158 2159 /** 2160 * Replace the more chip, if it exists, with all of the recipient chips it had 2161 * replaced when the RecipientEditTextView gains focus. 2162 */ 2163 // Visible for testing. 2164 /*package*/ void removeMoreChip() { 2165 if (mMoreChip != null) { 2166 Spannable span = getSpannable(); 2167 span.removeSpan(mMoreChip); 2168 mMoreChip = null; 2169 // Re-add the spans that were removed. 2170 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2171 // Recreate each removed span. 2172 DrawableRecipientChip[] recipients = getSortedRecipients(); 2173 // Start the search for tokens after the last currently visible 2174 // chip. 2175 if (recipients == null || recipients.length == 0) { 2176 return; 2177 } 2178 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2179 Editable editable = getText(); 2180 for (DrawableRecipientChip chip : mRemovedSpans) { 2181 int chipStart; 2182 int chipEnd; 2183 String token; 2184 // Need to find the location of the chip, again. 2185 token = (String) chip.getOriginalText(); 2186 // As we find the matching recipient for the remove spans, 2187 // reduce the size of the string we need to search. 2188 // That way, if there are duplicates, we always find the correct 2189 // recipient. 2190 chipStart = editable.toString().indexOf(token, end); 2191 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2192 // Only set the span if we found a matching token. 2193 if (chipStart != -1) { 2194 editable.setSpan(chip, chipStart, chipEnd, 2195 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2196 } 2197 } 2198 mRemovedSpans.clear(); 2199 } 2200 } 2201 } 2202 2203 /** 2204 * Show specified chip as selected. If the RecipientChip is just an email address, 2205 * selecting the chip will take the contents of the chip and place it at 2206 * the end of the RecipientEditTextView for inline editing. If the 2207 * RecipientChip is a complete contact, then selecting the chip 2208 * will change the background color of the chip, show the delete icon, 2209 * and a popup window with the address in use highlighted and any other 2210 * alternate addresses for the contact. 2211 * @param currentChip Chip to select. 2212 * @return A RecipientChip in the selected state or null if the chip 2213 * just contained an email address. 2214 */ 2215 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2216 if (shouldShowEditableText(currentChip)) { 2217 CharSequence text = currentChip.getValue(); 2218 Editable editable = getText(); 2219 Spannable spannable = getSpannable(); 2220 int spanStart = spannable.getSpanStart(currentChip); 2221 int spanEnd = spannable.getSpanEnd(currentChip); 2222 spannable.removeSpan(currentChip); 2223 // Don't need leading space if it's the only chip 2224 if (spanEnd - spanStart == editable.length() - 1) { 2225 spanEnd++; 2226 } 2227 editable.delete(spanStart, spanEnd); 2228 setCursorVisible(true); 2229 setSelection(editable.length()); 2230 editable.append(text); 2231 return constructChipSpan( 2232 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2233 true); 2234 } else { 2235 int start = getChipStart(currentChip); 2236 int end = getChipEnd(currentChip); 2237 getSpannable().removeSpan(currentChip); 2238 DrawableRecipientChip newChip; 2239 final boolean showAddress = 2240 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2241 getAdapter().forceShowAddress(); 2242 try { 2243 if (showAddress && mNoChips) { 2244 return null; 2245 } 2246 newChip = constructChipSpan(currentChip.getEntry(), true); 2247 } catch (NullPointerException e) { 2248 Log.e(TAG, e.getMessage(), e); 2249 return null; 2250 } 2251 Editable editable = getText(); 2252 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2253 if (start == -1 || end == -1) { 2254 Log.d(TAG, "The chip being selected no longer exists but should."); 2255 } else { 2256 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2257 } 2258 newChip.setSelected(true); 2259 if (shouldShowEditableText(newChip)) { 2260 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2261 } 2262 if (showAddress) { 2263 showAddress(newChip, mAddressPopup); 2264 } else { 2265 showAlternates(newChip, mAlternatesPopup); 2266 } 2267 setCursorVisible(false); 2268 return newChip; 2269 } 2270 } 2271 2272 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2273 long contactId = currentChip.getContactId(); 2274 return contactId == RecipientEntry.INVALID_CONTACT 2275 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2276 } 2277 2278 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2279 if (!mAttachedToWindow) { 2280 return; 2281 } 2282 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2283 int bottomOffset = calculateOffsetFromBottomToTop(line); 2284 // Align the alternates popup with the left side of the View, 2285 // regardless of the position of the chip tapped. 2286 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2287 popup.setVerticalOffset(bottomOffset); 2288 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2289 popup.setOnItemClickListener(new OnItemClickListener() { 2290 @Override 2291 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2292 unselectChip(currentChip); 2293 popup.dismiss(); 2294 } 2295 }); 2296 popup.show(); 2297 ListView listView = popup.getListView(); 2298 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2299 listView.setItemChecked(0, true); 2300 } 2301 2302 /** 2303 * Remove selection from this chip. Unselecting a RecipientChip will render 2304 * the chip without a delete icon and with an unfocused background. This is 2305 * called when the RecipientChip no longer has focus. 2306 */ 2307 private void unselectChip(DrawableRecipientChip chip) { 2308 int start = getChipStart(chip); 2309 int end = getChipEnd(chip); 2310 Editable editable = getText(); 2311 mSelectedChip = null; 2312 if (start == -1 || end == -1) { 2313 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2314 setSelection(editable.length()); 2315 commitDefault(); 2316 } else { 2317 getSpannable().removeSpan(chip); 2318 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2319 editable.removeSpan(chip); 2320 try { 2321 if (!mNoChips) { 2322 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2323 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2324 } 2325 } catch (NullPointerException e) { 2326 Log.e(TAG, e.getMessage(), e); 2327 } 2328 } 2329 setCursorVisible(true); 2330 setSelection(editable.length()); 2331 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2332 mAlternatesPopup.dismiss(); 2333 } 2334 } 2335 2336 @Override 2337 public void onChipDelete() { 2338 if (mSelectedChip != null) { 2339 removeChip(mSelectedChip); 2340 } 2341 mAddressPopup.dismiss(); 2342 mAlternatesPopup.dismiss(); 2343 } 2344 2345 /** 2346 * Remove the chip and any text associated with it from the RecipientEditTextView. 2347 */ 2348 // Visible for testing. 2349 /* package */void removeChip(DrawableRecipientChip chip) { 2350 Spannable spannable = getSpannable(); 2351 int spanStart = spannable.getSpanStart(chip); 2352 int spanEnd = spannable.getSpanEnd(chip); 2353 Editable text = getText(); 2354 int toDelete = spanEnd; 2355 boolean wasSelected = chip == mSelectedChip; 2356 // Clear that there is a selected chip before updating any text. 2357 if (wasSelected) { 2358 mSelectedChip = null; 2359 } 2360 // Always remove trailing spaces when removing a chip. 2361 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2362 toDelete++; 2363 } 2364 spannable.removeSpan(chip); 2365 if (spanStart >= 0 && toDelete > 0) { 2366 text.delete(spanStart, toDelete); 2367 } 2368 if (wasSelected) { 2369 clearSelectedChip(); 2370 } 2371 } 2372 2373 /** 2374 * Replace this currently selected chip with a new chip 2375 * that uses the contact data provided. 2376 */ 2377 // Visible for testing. 2378 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2379 boolean wasSelected = chip == mSelectedChip; 2380 if (wasSelected) { 2381 mSelectedChip = null; 2382 } 2383 int start = getChipStart(chip); 2384 int end = getChipEnd(chip); 2385 getSpannable().removeSpan(chip); 2386 Editable editable = getText(); 2387 CharSequence chipText = createChip(entry, false); 2388 if (chipText != null) { 2389 if (start == -1 || end == -1) { 2390 Log.e(TAG, "The chip to replace does not exist but should."); 2391 editable.insert(0, chipText); 2392 } else { 2393 if (!TextUtils.isEmpty(chipText)) { 2394 // There may be a space to replace with this chip's new 2395 // associated space. Check for it 2396 int toReplace = end; 2397 while (toReplace >= 0 && toReplace < editable.length() 2398 && editable.charAt(toReplace) == ' ') { 2399 toReplace++; 2400 } 2401 editable.replace(start, toReplace, chipText); 2402 } 2403 } 2404 } 2405 setCursorVisible(true); 2406 if (wasSelected) { 2407 clearSelectedChip(); 2408 } 2409 } 2410 2411 /** 2412 * Handle click events for a chip. When a selected chip receives a click 2413 * event, see if that event was in the delete icon. If so, delete it. 2414 * Otherwise, unselect the chip. 2415 */ 2416 public void onClick(DrawableRecipientChip chip) { 2417 if (chip.isSelected()) { 2418 clearSelectedChip(); 2419 } 2420 } 2421 2422 private boolean chipsPending() { 2423 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2424 } 2425 2426 @Override 2427 public void removeTextChangedListener(TextWatcher watcher) { 2428 mTextWatcher = null; 2429 super.removeTextChangedListener(watcher); 2430 } 2431 2432 private boolean isValidEmailAddress(String input) { 2433 return !TextUtils.isEmpty(input) && mValidator != null && 2434 mValidator.isValid(input); 2435 } 2436 2437 private class RecipientTextWatcher implements TextWatcher { 2438 2439 @Override 2440 public void afterTextChanged(Editable s) { 2441 // If the text has been set to null or empty, make sure we remove 2442 // all the spans we applied. 2443 if (TextUtils.isEmpty(s)) { 2444 // Remove all the chips spans. 2445 Spannable spannable = getSpannable(); 2446 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2447 DrawableRecipientChip.class); 2448 for (DrawableRecipientChip chip : chips) { 2449 spannable.removeSpan(chip); 2450 } 2451 if (mMoreChip != null) { 2452 spannable.removeSpan(mMoreChip); 2453 } 2454 clearSelectedChip(); 2455 return; 2456 } 2457 // Get whether there are any recipients pending addition to the 2458 // view. If there are, don't do anything in the text watcher. 2459 if (chipsPending()) { 2460 return; 2461 } 2462 // If the user is editing a chip, don't clear it. 2463 if (mSelectedChip != null) { 2464 if (!isGeneratedContact(mSelectedChip)) { 2465 setCursorVisible(true); 2466 setSelection(getText().length()); 2467 clearSelectedChip(); 2468 } else { 2469 return; 2470 } 2471 } 2472 int length = s.length(); 2473 // Make sure there is content there to parse and that it is 2474 // not just the commit character. 2475 if (length > 1) { 2476 if (lastCharacterIsCommitCharacter(s)) { 2477 commitByCharacter(); 2478 return; 2479 } 2480 char last; 2481 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2482 int len = length() - 1; 2483 if (end != len) { 2484 last = s.charAt(end); 2485 } else { 2486 last = s.charAt(len); 2487 } 2488 if (last == COMMIT_CHAR_SPACE) { 2489 if (!isPhoneQuery()) { 2490 // Check if this is a valid email address. If it is, 2491 // commit it. 2492 String text = getText().toString(); 2493 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2494 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2495 tokenStart)); 2496 if (isValidEmailAddress(sub)) { 2497 commitByCharacter(); 2498 } 2499 } 2500 } 2501 } 2502 } 2503 2504 @Override 2505 public void onTextChanged(CharSequence s, int start, int before, int count) { 2506 // The user deleted some text OR some text was replaced; check to 2507 // see if the insertion point is on a space 2508 // following a chip. 2509 if (before - count == 1) { 2510 // If the item deleted is a space, and the thing before the 2511 // space is a chip, delete the entire span. 2512 int selStart = getSelectionStart(); 2513 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2514 DrawableRecipientChip.class); 2515 if (repl.length > 0) { 2516 // There is a chip there! Just remove it. 2517 Editable editable = getText(); 2518 // Add the separator token. 2519 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2520 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2521 tokenEnd = tokenEnd + 1; 2522 if (tokenEnd > editable.length()) { 2523 tokenEnd = editable.length(); 2524 } 2525 editable.delete(tokenStart, tokenEnd); 2526 getSpannable().removeSpan(repl[0]); 2527 } 2528 } else if (count > before) { 2529 if (mSelectedChip != null 2530 && isGeneratedContact(mSelectedChip)) { 2531 if (lastCharacterIsCommitCharacter(s)) { 2532 commitByCharacter(); 2533 return; 2534 } 2535 } 2536 } 2537 } 2538 2539 @Override 2540 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2541 // Do nothing. 2542 } 2543 } 2544 2545 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2546 char last; 2547 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2548 int len = length() - 1; 2549 if (end != len) { 2550 last = s.charAt(end); 2551 } else { 2552 last = s.charAt(len); 2553 } 2554 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2555 } 2556 2557 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2558 long contactId = chip.getContactId(); 2559 return contactId == RecipientEntry.INVALID_CONTACT 2560 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2561 } 2562 2563 /** 2564 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2565 */ 2566 // Visible for testing. 2567 void handlePasteClip(ClipData clip) { 2568 if (clip == null) { 2569 // Do nothing. 2570 return; 2571 } 2572 2573 final ClipDescription clipDesc = clip.getDescription(); 2574 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2575 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2576 if (!containsSupportedType) { 2577 return; 2578 } 2579 2580 removeTextChangedListener(mTextWatcher); 2581 2582 final ClipDescription clipDescription = clip.getDescription(); 2583 for (int i = 0; i < clip.getItemCount(); i++) { 2584 final String mimeType = clipDescription.getMimeType(i); 2585 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2586 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2587 if (!supportedType) { 2588 // Only plain text and html can be pasted. 2589 continue; 2590 } 2591 2592 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2593 if (!TextUtils.isEmpty(pastedItem)) { 2594 final Editable editable = getText(); 2595 final int start = getSelectionStart(); 2596 final int end = getSelectionEnd(); 2597 if (start < 0 || end < 1) { 2598 // No selection. 2599 editable.append(pastedItem); 2600 } else if (start == end) { 2601 // Insert at position. 2602 editable.insert(start, pastedItem); 2603 } else { 2604 editable.append(pastedItem, start, end); 2605 } 2606 handlePasteAndReplace(); 2607 } 2608 } 2609 2610 mHandler.post(mAddTextWatcher); 2611 } 2612 2613 @Override 2614 public boolean onTextContextMenuItem(int id) { 2615 if (id == android.R.id.paste) { 2616 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2617 Context.CLIPBOARD_SERVICE); 2618 handlePasteClip(clipboard.getPrimaryClip()); 2619 return true; 2620 } 2621 return super.onTextContextMenuItem(id); 2622 } 2623 2624 private void handlePasteAndReplace() { 2625 ArrayList<DrawableRecipientChip> created = handlePaste(); 2626 if (created != null && created.size() > 0) { 2627 // Perform reverse lookups on the pasted contacts. 2628 IndividualReplacementTask replace = new IndividualReplacementTask(); 2629 replace.execute(created); 2630 } 2631 } 2632 2633 // Visible for testing. 2634 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2635 String text = getText().toString(); 2636 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2637 String lastAddress = text.substring(originalTokenStart); 2638 int tokenStart = originalTokenStart; 2639 int prevTokenStart = 0; 2640 DrawableRecipientChip findChip = null; 2641 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2642 if (tokenStart != 0) { 2643 // There are things before this! 2644 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2645 prevTokenStart = tokenStart; 2646 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2647 findChip = findChip(tokenStart); 2648 if (tokenStart == originalTokenStart && findChip == null) { 2649 break; 2650 } 2651 } 2652 if (tokenStart != originalTokenStart) { 2653 if (findChip != null) { 2654 tokenStart = prevTokenStart; 2655 } 2656 int tokenEnd; 2657 DrawableRecipientChip createdChip; 2658 while (tokenStart < originalTokenStart) { 2659 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2660 tokenStart)); 2661 commitChip(tokenStart, tokenEnd, getText()); 2662 createdChip = findChip(tokenStart); 2663 if (createdChip == null) { 2664 break; 2665 } 2666 // +1 for the space at the end. 2667 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2668 created.add(createdChip); 2669 } 2670 } 2671 } 2672 // Take a look at the last token. If the token has been completed with a 2673 // commit character, create a chip. 2674 if (isCompletedToken(lastAddress)) { 2675 Editable editable = getText(); 2676 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2677 commitChip(tokenStart, editable.length(), editable); 2678 created.add(findChip(tokenStart)); 2679 } 2680 return created; 2681 } 2682 2683 // Visible for testing. 2684 /* package */int movePastTerminators(int tokenEnd) { 2685 if (tokenEnd >= length()) { 2686 return tokenEnd; 2687 } 2688 char atEnd = getText().toString().charAt(tokenEnd); 2689 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2690 tokenEnd++; 2691 } 2692 // This token had not only an end token character, but also a space 2693 // separating it from the next token. 2694 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2695 tokenEnd++; 2696 } 2697 return tokenEnd; 2698 } 2699 2700 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2701 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2702 try { 2703 if (mNoChips) { 2704 return null; 2705 } 2706 return constructChipSpan(entry, false); 2707 } catch (NullPointerException e) { 2708 Log.e(TAG, e.getMessage(), e); 2709 return null; 2710 } 2711 } 2712 2713 @Override 2714 protected void onPreExecute() { 2715 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2716 // replaced 2717 final List<DrawableRecipientChip> originalRecipients = 2718 new ArrayList<DrawableRecipientChip>(); 2719 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2720 for (int i = 0; i < existingChips.length; i++) { 2721 originalRecipients.add(existingChips[i]); 2722 } 2723 if (mRemovedSpans != null) { 2724 originalRecipients.addAll(mRemovedSpans); 2725 } 2726 2727 final List<DrawableRecipientChip> replacements = 2728 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2729 2730 for (final DrawableRecipientChip chip : originalRecipients) { 2731 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2732 && getSpannable().getSpanStart(chip) != -1) { 2733 replacements.add(createFreeChip(chip.getEntry())); 2734 } else { 2735 replacements.add(null); 2736 } 2737 } 2738 2739 processReplacements(originalRecipients, replacements); 2740 } 2741 2742 @Override 2743 protected Void doInBackground(Void... params) { 2744 if (mIndividualReplacements != null) { 2745 mIndividualReplacements.cancel(true); 2746 } 2747 // For each chip in the list, look up the matching contact. 2748 // If there is a match, replace that chip with the matching 2749 // chip. 2750 final ArrayList<DrawableRecipientChip> recipients = 2751 new ArrayList<DrawableRecipientChip>(); 2752 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2753 for (int i = 0; i < existingChips.length; i++) { 2754 recipients.add(existingChips[i]); 2755 } 2756 if (mRemovedSpans != null) { 2757 recipients.addAll(mRemovedSpans); 2758 } 2759 ArrayList<String> addresses = new ArrayList<String>(); 2760 DrawableRecipientChip chip; 2761 for (int i = 0; i < recipients.size(); i++) { 2762 chip = recipients.get(i); 2763 if (chip != null) { 2764 addresses.add(createAddressText(chip.getEntry())); 2765 } 2766 } 2767 final BaseRecipientAdapter adapter = getAdapter(); 2768 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2769 @Override 2770 public void matchesFound(Map<String, RecipientEntry> entries) { 2771 final ArrayList<DrawableRecipientChip> replacements = 2772 new ArrayList<DrawableRecipientChip>(); 2773 for (final DrawableRecipientChip temp : recipients) { 2774 RecipientEntry entry = null; 2775 if (temp != null && RecipientEntry.isCreatedRecipient( 2776 temp.getEntry().getContactId()) 2777 && getSpannable().getSpanStart(temp) != -1) { 2778 // Replace this. 2779 entry = createValidatedEntry( 2780 entries.get(tokenizeAddress(temp.getEntry() 2781 .getDestination()))); 2782 } 2783 if (entry != null) { 2784 replacements.add(createFreeChip(entry)); 2785 } else { 2786 replacements.add(null); 2787 } 2788 } 2789 processReplacements(recipients, replacements); 2790 } 2791 2792 @Override 2793 public void matchesNotFound(final Set<String> unfoundAddresses) { 2794 final List<DrawableRecipientChip> replacements = 2795 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2796 2797 for (final DrawableRecipientChip temp : recipients) { 2798 if (temp != null && RecipientEntry.isCreatedRecipient( 2799 temp.getEntry().getContactId()) 2800 && getSpannable().getSpanStart(temp) != -1) { 2801 if (unfoundAddresses.contains( 2802 temp.getEntry().getDestination())) { 2803 replacements.add(createFreeChip(temp.getEntry())); 2804 } else { 2805 replacements.add(null); 2806 } 2807 } else { 2808 replacements.add(null); 2809 } 2810 } 2811 2812 processReplacements(recipients, replacements); 2813 } 2814 }); 2815 return null; 2816 } 2817 2818 private void processReplacements(final List<DrawableRecipientChip> recipients, 2819 final List<DrawableRecipientChip> replacements) { 2820 if (replacements != null && replacements.size() > 0) { 2821 final Runnable runnable = new Runnable() { 2822 @Override 2823 public void run() { 2824 final Editable text = new SpannableStringBuilder(getText()); 2825 int i = 0; 2826 for (final DrawableRecipientChip chip : recipients) { 2827 final DrawableRecipientChip replacement = replacements.get(i); 2828 if (replacement != null) { 2829 final RecipientEntry oldEntry = chip.getEntry(); 2830 final RecipientEntry newEntry = replacement.getEntry(); 2831 final boolean isBetter = 2832 RecipientAlternatesAdapter.getBetterRecipient( 2833 oldEntry, newEntry) == newEntry; 2834 2835 if (isBetter) { 2836 // Find the location of the chip in the text currently shown. 2837 final int start = text.getSpanStart(chip); 2838 if (start != -1) { 2839 // Replacing the entirety of what the chip represented, 2840 // including the extra space dividing it from other chips. 2841 final int end = 2842 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2843 text.removeSpan(chip); 2844 // Make sure we always have just 1 space at the end to 2845 // separate this chip from the next chip. 2846 final SpannableString displayText = 2847 new SpannableString(createAddressText( 2848 replacement.getEntry()).trim() + " "); 2849 displayText.setSpan(replacement, 0, 2850 displayText.length() - 1, 2851 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2852 // Replace the old text we found with with the new display 2853 // text, which now may also contain the display name of the 2854 // recipient. 2855 text.replace(start, end, displayText); 2856 replacement.setOriginalText(displayText.toString()); 2857 replacements.set(i, null); 2858 2859 recipients.set(i, replacement); 2860 } 2861 } 2862 } 2863 i++; 2864 } 2865 setText(text); 2866 } 2867 }; 2868 2869 if (Looper.myLooper() == Looper.getMainLooper()) { 2870 runnable.run(); 2871 } else { 2872 mHandler.post(runnable); 2873 } 2874 } 2875 } 2876 } 2877 2878 private class IndividualReplacementTask 2879 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2880 @Override 2881 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2882 // For each chip in the list, look up the matching contact. 2883 // If there is a match, replace that chip with the matching 2884 // chip. 2885 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2886 ArrayList<String> addresses = new ArrayList<String>(); 2887 DrawableRecipientChip chip; 2888 for (int i = 0; i < originalRecipients.size(); i++) { 2889 chip = originalRecipients.get(i); 2890 if (chip != null) { 2891 addresses.add(createAddressText(chip.getEntry())); 2892 } 2893 } 2894 final BaseRecipientAdapter adapter = getAdapter(); 2895 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2896 2897 @Override 2898 public void matchesFound(Map<String, RecipientEntry> entries) { 2899 for (final DrawableRecipientChip temp : originalRecipients) { 2900 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2901 .getContactId()) 2902 && getSpannable().getSpanStart(temp) != -1) { 2903 // Replace this. 2904 final RecipientEntry entry = createValidatedEntry(entries 2905 .get(tokenizeAddress(temp.getEntry().getDestination()) 2906 .toLowerCase())); 2907 if (entry != null) { 2908 mHandler.post(new Runnable() { 2909 @Override 2910 public void run() { 2911 replaceChip(temp, entry); 2912 } 2913 }); 2914 } 2915 } 2916 } 2917 } 2918 2919 @Override 2920 public void matchesNotFound(final Set<String> unfoundAddresses) { 2921 // No action required 2922 } 2923 }); 2924 return null; 2925 } 2926 } 2927 2928 2929 /** 2930 * MoreImageSpan is a simple class created for tracking the existence of a 2931 * more chip across activity restarts/ 2932 */ 2933 private class MoreImageSpan extends ReplacementDrawableSpan { 2934 public MoreImageSpan(Drawable b) { 2935 super(b); 2936 setExtraMargin(mLineSpacingExtra); 2937 } 2938 } 2939 2940 @Override 2941 public boolean onDown(MotionEvent e) { 2942 return false; 2943 } 2944 2945 @Override 2946 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2947 // Do nothing. 2948 return false; 2949 } 2950 2951 @Override 2952 public void onLongPress(MotionEvent event) { 2953 if (mSelectedChip != null) { 2954 return; 2955 } 2956 float x = event.getX(); 2957 float y = event.getY(); 2958 final int offset = putOffsetInRange(x, y); 2959 DrawableRecipientChip currentChip = findChip(offset); 2960 if (currentChip != null) { 2961 if (mDragEnabled) { 2962 // Start drag-and-drop for the selected chip. 2963 startDrag(currentChip); 2964 } else { 2965 // Copy the selected chip email address. 2966 showCopyDialog(currentChip.getEntry().getDestination()); 2967 } 2968 } 2969 } 2970 2971 // The following methods are used to provide some functionality on older versions of Android 2972 // These methods were copied out of JB MR2's TextView 2973 ///////////////////////////////////////////////// 2974 private int supportGetOffsetForPosition(float x, float y) { 2975 if (getLayout() == null) return -1; 2976 final int line = supportGetLineAtCoordinate(y); 2977 final int offset = supportGetOffsetAtCoordinate(line, x); 2978 return offset; 2979 } 2980 2981 private float supportConvertToLocalHorizontalCoordinate(float x) { 2982 x -= getTotalPaddingLeft(); 2983 // Clamp the position to inside of the view. 2984 x = Math.max(0.0f, x); 2985 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2986 x += getScrollX(); 2987 return x; 2988 } 2989 2990 private int supportGetLineAtCoordinate(float y) { 2991 y -= getTotalPaddingLeft(); 2992 // Clamp the position to inside of the view. 2993 y = Math.max(0.0f, y); 2994 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2995 y += getScrollY(); 2996 return getLayout().getLineForVertical((int) y); 2997 } 2998 2999 private int supportGetOffsetAtCoordinate(int line, float x) { 3000 x = supportConvertToLocalHorizontalCoordinate(x); 3001 return getLayout().getOffsetForHorizontal(line, x); 3002 } 3003 ///////////////////////////////////////////////// 3004 3005 /** 3006 * Enables drag-and-drop for chips. 3007 */ 3008 public void enableDrag() { 3009 mDragEnabled = true; 3010 } 3011 3012 /** 3013 * Starts drag-and-drop for the selected chip. 3014 */ 3015 private void startDrag(DrawableRecipientChip currentChip) { 3016 String address = currentChip.getEntry().getDestination(); 3017 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 3018 3019 // Start drag mode. 3020 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 3021 3022 // Remove the current chip, so drag-and-drop will result in a move. 3023 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3024 removeChip(currentChip); 3025 } 3026 3027 /** 3028 * Handles drag event. 3029 */ 3030 @Override 3031 public boolean onDragEvent(DragEvent event) { 3032 switch (event.getAction()) { 3033 case DragEvent.ACTION_DRAG_STARTED: 3034 // Only handle plain text drag and drop. 3035 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3036 case DragEvent.ACTION_DRAG_ENTERED: 3037 requestFocus(); 3038 return true; 3039 case DragEvent.ACTION_DROP: 3040 handlePasteClip(event.getClipData()); 3041 return true; 3042 } 3043 return false; 3044 } 3045 3046 /** 3047 * Drag shadow for a {@link DrawableRecipientChip}. 3048 */ 3049 private final class RecipientChipShadow extends DragShadowBuilder { 3050 private final DrawableRecipientChip mChip; 3051 3052 public RecipientChipShadow(DrawableRecipientChip chip) { 3053 mChip = chip; 3054 } 3055 3056 @Override 3057 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3058 Rect rect = mChip.getBounds(); 3059 shadowSize.set(rect.width(), rect.height()); 3060 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3061 } 3062 3063 @Override 3064 public void onDrawShadow(Canvas canvas) { 3065 mChip.draw(canvas); 3066 } 3067 } 3068 3069 private void showCopyDialog(final String address) { 3070 if (!mAttachedToWindow) { 3071 return; 3072 } 3073 mCopyAddress = address; 3074 mCopyDialog.setTitle(address); 3075 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3076 mCopyDialog.setCancelable(true); 3077 mCopyDialog.setCanceledOnTouchOutside(true); 3078 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3079 button.setOnClickListener(this); 3080 int btnTitleId; 3081 if (isPhoneQuery()) { 3082 btnTitleId = R.string.copy_number; 3083 } else { 3084 btnTitleId = R.string.copy_email; 3085 } 3086 String buttonTitle = getContext().getResources().getString(btnTitleId); 3087 button.setText(buttonTitle); 3088 mCopyDialog.setOnDismissListener(this); 3089 mCopyDialog.show(); 3090 } 3091 3092 @Override 3093 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3094 // Do nothing. 3095 return false; 3096 } 3097 3098 @Override 3099 public void onShowPress(MotionEvent e) { 3100 // Do nothing. 3101 } 3102 3103 @Override 3104 public boolean onSingleTapUp(MotionEvent e) { 3105 // Do nothing. 3106 return false; 3107 } 3108 3109 @Override 3110 public void onDismiss(DialogInterface dialog) { 3111 mCopyAddress = null; 3112 } 3113 3114 @Override 3115 public void onClick(View v) { 3116 // Copy this to the clipboard. 3117 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3118 Context.CLIPBOARD_SERVICE); 3119 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3120 mCopyDialog.dismiss(); 3121 } 3122 3123 protected boolean isPhoneQuery() { 3124 return getAdapter() != null 3125 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3126 } 3127 3128 @Override 3129 public BaseRecipientAdapter getAdapter() { 3130 return (BaseRecipientAdapter) super.getAdapter(); 3131 } 3132 3133 /** 3134 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3135 * unfinished text at the end. 3136 */ 3137 public void appendRecipientEntry(final RecipientEntry entry) { 3138 clearComposingText(); 3139 3140 final Editable editable = getText(); 3141 int chipInsertionPoint = 0; 3142 3143 // Find the end of last chip and see if there's any unchipified text. 3144 final DrawableRecipientChip[] recips = getSortedRecipients(); 3145 if (recips != null && recips.length > 0) { 3146 final DrawableRecipientChip last = recips[recips.length - 1]; 3147 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3148 // the insertion point will be kept untouched. 3149 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3150 } 3151 3152 final CharSequence chip = createChip(entry, false); 3153 if (chip != null) { 3154 editable.insert(chipInsertionPoint, chip); 3155 } 3156 } 3157 3158 /** 3159 * Remove all chips matching the given RecipientEntry. 3160 */ 3161 public void removeRecipientEntry(final RecipientEntry entry) { 3162 final DrawableRecipientChip[] recips = getText() 3163 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3164 3165 for (final DrawableRecipientChip recipient : recips) { 3166 final RecipientEntry existingEntry = recipient.getEntry(); 3167 if (existingEntry != null && existingEntry.isValid() && 3168 existingEntry.isSamePerson(entry)) { 3169 removeChip(recipient); 3170 } 3171 } 3172 } 3173 3174 public void setAlternatePopupAnchor(View v) { 3175 mAlternatePopupAnchor = v; 3176 } 3177 3178 private static class ChipBitmapContainer { 3179 Bitmap bitmap; 3180 // information used for positioning the loaded icon 3181 boolean loadIcon = true; 3182 float left; 3183 float top; 3184 float right; 3185 float bottom; 3186 } 3187} 3188