RecipientEditTextView.java revision 04f06ea723b0445428d3f563334d653299a73a74
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.Activity; 21import android.app.Dialog; 22import android.content.ClipData; 23import android.content.ClipDescription; 24import android.content.ClipboardManager; 25import android.content.Context; 26import android.content.DialogInterface; 27import android.content.DialogInterface.OnDismissListener; 28import android.content.res.Resources; 29import android.content.res.TypedArray; 30import android.graphics.Bitmap; 31import android.graphics.BitmapFactory; 32import android.graphics.BitmapShader; 33import android.graphics.Canvas; 34import android.graphics.Color; 35import android.graphics.Matrix; 36import android.graphics.Paint; 37import android.graphics.Paint.Style; 38import android.graphics.Point; 39import android.graphics.Rect; 40import android.graphics.RectF; 41import android.graphics.Shader.TileMode; 42import android.graphics.drawable.BitmapDrawable; 43import android.graphics.drawable.Drawable; 44import android.graphics.drawable.StateListDrawable; 45import android.os.AsyncTask; 46import android.os.Build; 47import android.os.Handler; 48import android.os.Looper; 49import android.os.Message; 50import android.os.Parcelable; 51import android.text.Editable; 52import android.text.InputType; 53import android.text.Layout; 54import android.text.Spannable; 55import android.text.SpannableString; 56import android.text.SpannableStringBuilder; 57import android.text.Spanned; 58import android.text.TextPaint; 59import android.text.TextUtils; 60import android.text.TextWatcher; 61import android.text.method.QwertyKeyListener; 62import android.text.util.Rfc822Token; 63import android.text.util.Rfc822Tokenizer; 64import android.util.AttributeSet; 65import android.util.Log; 66import android.util.TypedValue; 67import android.view.ActionMode; 68import android.view.ActionMode.Callback; 69import android.view.DragEvent; 70import android.view.GestureDetector; 71import android.view.KeyEvent; 72import android.view.LayoutInflater; 73import android.view.Menu; 74import android.view.MenuItem; 75import android.view.MotionEvent; 76import android.view.View; 77import android.view.View.OnClickListener; 78import android.view.ViewParent; 79import android.view.accessibility.AccessibilityEvent; 80import android.view.accessibility.AccessibilityManager; 81import android.view.inputmethod.EditorInfo; 82import android.view.inputmethod.InputConnection; 83import android.widget.AdapterView; 84import android.widget.AdapterView.OnItemClickListener; 85import android.widget.Button; 86import android.widget.Filterable; 87import android.widget.ListAdapter; 88import android.widget.ListPopupWindow; 89import android.widget.ListView; 90import android.widget.MultiAutoCompleteTextView; 91import android.widget.ScrollView; 92import android.widget.TextView; 93 94import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 95import com.android.ex.chips.recipientchip.DrawableRecipientChip; 96import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 97import com.android.ex.chips.recipientchip.ReplacementDrawableSpan; 98import com.android.ex.chips.recipientchip.VisibleRecipientChip; 99 100import java.util.ArrayList; 101import java.util.Arrays; 102import java.util.Collections; 103import java.util.Comparator; 104import java.util.List; 105import java.util.Map; 106import java.util.Set; 107import java.util.regex.Matcher; 108import java.util.regex.Pattern; 109 110/** 111 * RecipientEditTextView is an auto complete text view for use with applications 112 * that use the new Chips UI for addressing a message to recipients. 113 */ 114public class RecipientEditTextView extends MultiAutoCompleteTextView implements 115 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 116 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 117 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 118 private static final String TAG = "RecipientEditTextView"; 119 120 private static final char COMMIT_CHAR_COMMA = ','; 121 private static final char COMMIT_CHAR_SEMICOLON = ';'; 122 private static final char COMMIT_CHAR_SPACE = ' '; 123 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 124 + String.valueOf(COMMIT_CHAR_SPACE); 125 126 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 127 // parens, so numbers such as "1 (425) 222-2342" match. 128 private static final Pattern PHONE_PATTERN 129 = Pattern.compile( // sdd = space, dot, or dash 130 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 131 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 132 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 133 134 private static final int DISMISS = "dismiss".hashCode(); 135 private static final long DISMISS_DELAY = 300; 136 137 // TODO: get correct number/ algorithm from with UX. 138 // Visible for testing. 139 /*package*/ static final int CHIP_LIMIT = 2; 140 141 private static final int MAX_CHIPS_PARSED = 50; 142 143 private static int sSelectedTextColor = -1; 144 private static int sVisibleDisplayFrameTop = -1; 145 146 // Resources for displaying chips. 147 private Drawable mChipBackground = null; 148 private Drawable mChipDelete = null; 149 private Drawable mInvalidChipBackground; 150 private Drawable mChipBackgroundPressed; 151 152 // Possible attr overrides 153 private float mChipHeight; 154 private float mChipFontSize; 155 private float mLineSpacingExtra; 156 private int mChipTextStartPadding; 157 private int mChipTextEndPadding; 158 private final int mTextHeight; 159 private boolean mDisableDelete; 160 private int mMaxLines; 161 162 /** 163 * Enumerator for avatar position. See attr.xml for more details. 164 * 0 for end, 1 for start. 165 */ 166 private int mAvatarPosition; 167 private static final int AVATAR_POSITION_END = 0; 168 private static final int AVATAR_POSITION_START = 1; 169 170 private Paint mWorkPaint = new Paint(); 171 172 private Tokenizer mTokenizer; 173 private Validator mValidator; 174 private Handler mHandler; 175 private TextWatcher mTextWatcher; 176 private DropdownChipLayouter mDropdownChipLayouter; 177 178 private ListPopupWindow mAlternatesPopup; 179 private ListPopupWindow mAddressPopup; 180 private View mAlternatePopupAnchor; 181 private OnItemClickListener mAlternatesListener; 182 183 private DrawableRecipientChip mSelectedChip; 184 private Bitmap mDefaultContactPhoto; 185 private ReplacementDrawableSpan mMoreChip; 186 private TextView mMoreItem; 187 188 private boolean mIsAccessibilityOn; 189 private int mCurrentSuggestionCount; 190 191 // VisibleForTesting 192 final ArrayList<String> mPendingChips = new ArrayList<String>(); 193 194 private int mPendingChipsCount = 0; 195 private int mCheckedItem; 196 private boolean mNoChips = false; 197 private boolean mShouldShrink = true; 198 199 // VisibleForTesting 200 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 201 202 private ArrayList<DrawableRecipientChip> mRemovedSpans; 203 204 // Chip copy fields. 205 private GestureDetector mGestureDetector; 206 private Dialog mCopyDialog; 207 private String mCopyAddress; 208 209 // Obtain the enclosing scroll view, if it exists, so that the view can be 210 // scrolled to show the last line of chips content. 211 private ScrollView mScrollView; 212 private boolean mTriedGettingScrollView; 213 private boolean mDragEnabled = false; 214 215 private boolean mAttachedToWindow; 216 217 private final Runnable mAddTextWatcher = new Runnable() { 218 @Override 219 public void run() { 220 if (mTextWatcher == null) { 221 mTextWatcher = new RecipientTextWatcher(); 222 addTextChangedListener(mTextWatcher); 223 } 224 } 225 }; 226 227 private IndividualReplacementTask mIndividualReplacements; 228 229 private Runnable mHandlePendingChips = new Runnable() { 230 231 @Override 232 public void run() { 233 handlePendingChips(); 234 } 235 236 }; 237 238 private Runnable mDelayedShrink = new Runnable() { 239 240 @Override 241 public void run() { 242 shrink(); 243 } 244 245 }; 246 247 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 248 249 public interface RecipientEntryItemClickedListener { 250 /** 251 * Callback that occurs whenever an auto-complete suggestion is clicked. 252 * @param charactersTyped the number of characters typed by the user to provide the 253 * auto-complete suggestions. 254 * @param position the position in the dropdown list that the user clicked 255 */ 256 void onRecipientEntryItemClicked(int charactersTyped, int position); 257 } 258 259 public RecipientEditTextView(Context context, AttributeSet attrs) { 260 super(context, attrs); 261 setChipDimensions(context, attrs); 262 mTextHeight = calculateTextHeight(); 263 if (sSelectedTextColor == -1) { 264 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 265 } 266 mAlternatesPopup = new ListPopupWindow(context); 267 mAlternatesPopup.setBackgroundDrawable(null); 268 mAddressPopup = new ListPopupWindow(context); 269 mAddressPopup.setBackgroundDrawable(null); 270 mCopyDialog = new Dialog(context); 271 mAlternatesListener = new OnItemClickListener() { 272 @Override 273 public void onItemClick(AdapterView<?> adapterView,View view, int position, 274 long rowId) { 275 mAlternatesPopup.setOnItemClickListener(null); 276 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 277 .getRecipientEntry(position)); 278 Message delayed = Message.obtain(mHandler, DISMISS); 279 delayed.obj = mAlternatesPopup; 280 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 281 clearComposingText(); 282 } 283 }; 284 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 285 setOnItemClickListener(this); 286 setCustomSelectionActionModeCallback(this); 287 mHandler = new Handler() { 288 @Override 289 public void handleMessage(Message msg) { 290 if (msg.what == DISMISS) { 291 ((ListPopupWindow) msg.obj).dismiss(); 292 return; 293 } 294 super.handleMessage(msg); 295 } 296 }; 297 mTextWatcher = new RecipientTextWatcher(); 298 addTextChangedListener(mTextWatcher); 299 mGestureDetector = new GestureDetector(context, this); 300 setOnEditorActionListener(this); 301 302 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 303 } 304 305 @Override 306 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 307 super.onLayout(changed, left, top, right, bottom); 308 309 final AccessibilityManager accessibilityManager = 310 (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 311 mIsAccessibilityOn = accessibilityManager.isEnabled(); 312 } 313 314 private int calculateTextHeight() { 315 final Rect textBounds = new Rect(); 316 final TextPaint paint = getPaint(); 317 318 textBounds.setEmpty(); 319 // First measure the bounds of a sample text. 320 final String textHeightSample = "a"; 321 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), textBounds); 322 323 textBounds.left = 0; 324 textBounds.right = 0; 325 326 return textBounds.height(); 327 } 328 329 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 330 mDropdownChipLayouter = dropdownChipLayouter; 331 mDropdownChipLayouter.setDeleteListener(this); 332 } 333 334 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 335 mRecipientEntryItemClickedListener = listener; 336 } 337 338 @Override 339 protected void onDetachedFromWindow() { 340 super.onDetachedFromWindow(); 341 mAttachedToWindow = false; 342 dismissPopups(); 343 } 344 345 @Override 346 protected void onAttachedToWindow() { 347 super.onAttachedToWindow(); 348 mAttachedToWindow = true; 349 } 350 351 @Override 352 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 353 if (action == EditorInfo.IME_ACTION_DONE) { 354 if (commitDefault()) { 355 return true; 356 } 357 if (mSelectedChip != null) { 358 clearSelectedChip(); 359 return true; 360 } else if (focusNext()) { 361 return true; 362 } 363 } 364 return false; 365 } 366 367 @Override 368 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 369 InputConnection connection = super.onCreateInputConnection(outAttrs); 370 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 371 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 372 // clear the existing action 373 outAttrs.imeOptions ^= imeActions; 374 // set the DONE action 375 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 376 } 377 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 378 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 379 } 380 381 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 382 383 // Custom action labels are discouraged in L; a checkmark icon is shown in place of the 384 // custom text in this case. 385 outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.L ? null : 386 getContext().getString(R.string.action_label); 387 return connection; 388 } 389 390 /*package*/ DrawableRecipientChip getLastChip() { 391 DrawableRecipientChip last = null; 392 DrawableRecipientChip[] chips = getSortedRecipients(); 393 if (chips != null && chips.length > 0) { 394 last = chips[chips.length - 1]; 395 } 396 return last; 397 } 398 399 /** 400 * @return The list of {@link RecipientEntry}s that have been selected by the user. 401 */ 402 public List<RecipientEntry> getSelectedRecipients() { 403 DrawableRecipientChip[] chips = 404 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 405 List<RecipientEntry> results = new ArrayList(); 406 if (chips == null) { 407 return results; 408 } 409 410 for (DrawableRecipientChip c : chips) { 411 results.add(c.getEntry()); 412 } 413 414 return results; 415 } 416 417 @Override 418 public void onSelectionChanged(int start, int end) { 419 // When selection changes, see if it is inside the chips area. 420 // If so, move the cursor back after the chips again. 421 DrawableRecipientChip last = getLastChip(); 422 if (last != null && start < getSpannable().getSpanEnd(last)) { 423 // Grab the last chip and set the cursor to after it. 424 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 425 } 426 super.onSelectionChanged(start, end); 427 } 428 429 @Override 430 public void onRestoreInstanceState(Parcelable state) { 431 if (!TextUtils.isEmpty(getText())) { 432 super.onRestoreInstanceState(null); 433 } else { 434 super.onRestoreInstanceState(state); 435 } 436 } 437 438 @Override 439 public Parcelable onSaveInstanceState() { 440 // If the user changes orientation while they are editing, just roll back the selection. 441 clearSelectedChip(); 442 return super.onSaveInstanceState(); 443 } 444 445 /** 446 * Convenience method: Append the specified text slice to the TextView's 447 * display buffer, upgrading it to BufferType.EDITABLE if it was 448 * not already editable. Commas are excluded as they are added automatically 449 * by the view. 450 */ 451 @Override 452 public void append(CharSequence text, int start, int end) { 453 // We don't care about watching text changes while appending. 454 if (mTextWatcher != null) { 455 removeTextChangedListener(mTextWatcher); 456 } 457 super.append(text, start, end); 458 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 459 String displayString = text.toString(); 460 461 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 462 // We have no separator, so we should add it 463 super.append(SEPARATOR, 0, SEPARATOR.length()); 464 displayString += SEPARATOR; 465 } 466 467 if (!TextUtils.isEmpty(displayString) 468 && TextUtils.getTrimmedLength(displayString) > 0) { 469 mPendingChipsCount++; 470 mPendingChips.add(displayString); 471 } 472 } 473 // Put a message on the queue to make sure we ALWAYS handle pending 474 // chips. 475 if (mPendingChipsCount > 0) { 476 postHandlePendingChips(); 477 } 478 mHandler.post(mAddTextWatcher); 479 } 480 481 @Override 482 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 483 super.onFocusChanged(hasFocus, direction, previous); 484 if (!hasFocus) { 485 shrink(); 486 } else { 487 expand(); 488 } 489 } 490 491 // sVisibleDisplayFrameTop is computed on a on-demand basis because the view needs to be fully 492 // measured and created in order to calculate the visible display frame. 493 private int getVisibleDisplayFrameTop() { 494 if (sVisibleDisplayFrameTop == -1) { 495 final TypedValue tv = new TypedValue(); 496 final Context context = getContext(); 497 // Visible top is our visible display (due to status bar) plus the height of action bar. 498 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 499 sVisibleDisplayFrameTop = TypedValue.complexToDimensionPixelSize(tv.data, 500 getResources().getDisplayMetrics()); 501 } 502 // Compute the status bar height, or rather where our visible display starts 503 if (context instanceof Activity) { 504 final Rect visibleRect = new Rect(); 505 ((Activity) context).getWindow().getDecorView() 506 .getWindowVisibleDisplayFrame(visibleRect); 507 sVisibleDisplayFrameTop += visibleRect.top; 508 } 509 } 510 return sVisibleDisplayFrameTop; 511 } 512 513 @Override 514 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 515 super.setAdapter(adapter); 516 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 517 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 518 @Override 519 public void onChanged(List<RecipientEntry> entries) { 520 // Scroll the chips field to the top of the screen so 521 // that the user can see as many results as possible. 522 if (entries != null && entries.size() > 0) { 523 scrollBottomIntoView(); 524 // Here the current suggestion count is still the old one since we update 525 // the count at the bottom of this function. 526 if (mCurrentSuggestionCount == 0) { 527 // Announce the new number of possible choices for accessibility. 528 announceForAccessibilityCompat(getContext().getString( 529 R.string.accessbility_suggestion_dropdown_opened)); 530 } 531 } 532 // Set the dropdown height to be the remaining height 533 final int[] coords = new int[2]; 534 getLocationInWindow(coords); 535 final Rect displayFrame = new Rect(); 536 getWindowVisibleDisplayFrame(displayFrame); 537 setDropDownHeight(displayFrame.bottom - coords[1] - getHeight()); 538 539 mCurrentSuggestionCount = entries == null ? 0 : entries.size(); 540 } 541 }); 542 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 543 } 544 545 private void announceForAccessibilityCompat(String text) { 546 if (mIsAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 547 final ViewParent parent = getParent(); 548 if (parent != null) { 549 AccessibilityEvent event = AccessibilityEvent.obtain( 550 AccessibilityEvent.TYPE_ANNOUNCEMENT); 551 onInitializeAccessibilityEvent(event); 552 event.getText().add(text); 553 event.setContentDescription(null); 554 parent.requestSendAccessibilityEvent(this, event); 555 } 556 } 557 } 558 559 protected void scrollBottomIntoView() { 560 if (mScrollView != null && mShouldShrink) { 561 final int[] location = new int[2]; 562 getLocationInWindow(location); 563 // Desired position shows at least 1 line of chips below the action 564 // bar. We add excess padding to make sure this is always below other 565 // content. 566 final int height = getHeight(); 567 final int currentPos = location[1] + height; 568 final int desiredPos = getVisibleDisplayFrameTop() + height / getLineCount(); 569 if (currentPos > desiredPos) { 570 mScrollView.scrollBy(0, currentPos - desiredPos); 571 } 572 } 573 } 574 575 protected ScrollView getScrollView() { 576 return mScrollView; 577 } 578 579 @Override 580 public void performValidation() { 581 // Do nothing. Chips handles its own validation. 582 } 583 584 private void shrink() { 585 if (mTokenizer == null) { 586 return; 587 } 588 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 589 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 590 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 591 clearSelectedChip(); 592 } else { 593 if (getWidth() <= 0) { 594 // We don't have the width yet which means the view hasn't been drawn yet 595 // and there is no reason to attempt to commit chips yet. 596 // This focus lost must be the result of an orientation change 597 // or an initial rendering. 598 // Re-post the shrink for later. 599 mHandler.removeCallbacks(mDelayedShrink); 600 mHandler.post(mDelayedShrink); 601 return; 602 } 603 // Reset any pending chips as they would have been handled 604 // when the field lost focus. 605 if (mPendingChipsCount > 0) { 606 postHandlePendingChips(); 607 } else { 608 Editable editable = getText(); 609 int end = getSelectionEnd(); 610 int start = mTokenizer.findTokenStart(editable, end); 611 DrawableRecipientChip[] chips = 612 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 613 if ((chips == null || chips.length == 0)) { 614 Editable text = getText(); 615 int whatEnd = mTokenizer.findTokenEnd(text, start); 616 // This token was already tokenized, so skip past the ending token. 617 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 618 whatEnd = movePastTerminators(whatEnd); 619 } 620 // In the middle of chip; treat this as an edit 621 // and commit the whole token. 622 int selEnd = getSelectionEnd(); 623 if (whatEnd != selEnd) { 624 handleEdit(start, whatEnd); 625 } else { 626 commitChip(start, end, editable); 627 } 628 } 629 } 630 mHandler.post(mAddTextWatcher); 631 } 632 createMoreChip(); 633 } 634 635 private void expand() { 636 if (mShouldShrink) { 637 setMaxLines(Integer.MAX_VALUE); 638 } 639 removeMoreChip(); 640 setCursorVisible(true); 641 Editable text = getText(); 642 setSelection(text != null && text.length() > 0 ? text.length() : 0); 643 // If there are any temporary chips, try replacing them now that the user 644 // has expanded the field. 645 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 646 new RecipientReplacementTask().execute(); 647 mTemporaryRecipients = null; 648 } 649 } 650 651 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 652 paint.setTextSize(mChipFontSize); 653 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 654 Log.d(TAG, "Max width is negative: " + maxWidth); 655 } 656 return TextUtils.ellipsize(text, paint, maxWidth, 657 TextUtils.TruncateAt.END); 658 } 659 660 /** 661 * Creates a bitmap of the given contact on a selected chip. 662 * 663 * @param contact The recipient entry to pull data from. 664 * @param paint The paint to use to draw the bitmap. 665 */ 666 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 667 paint.setColor(sSelectedTextColor); 668 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 669 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 670 671 if (bitmapContainer.loadIcon) { 672 loadAvatarIcon(contact, bitmapContainer); 673 } 674 675 return bitmapContainer.bitmap; 676 } 677 678 /** 679 * Creates a bitmap of the given contact on a selected chip. 680 * 681 * @param contact The recipient entry to pull data from. 682 * @param paint The paint to use to draw the bitmap. 683 */ 684 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 685 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 686 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 687 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 688 689 if (bitmapContainer.loadIcon) { 690 loadAvatarIcon(contact, bitmapContainer); 691 } 692 return bitmapContainer.bitmap; 693 } 694 695 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 696 Drawable overrideBackgroundDrawable, int backgroundColor) { 697 final ChipBitmapContainer result = new ChipBitmapContainer(); 698 699 Rect backgroundPadding = new Rect(); 700 if (overrideBackgroundDrawable != null) { 701 overrideBackgroundDrawable.getPadding(backgroundPadding); 702 } 703 704 // Ellipsize the text so that it takes AT MOST the entire width of the 705 // autocomplete text entry area. Make sure to leave space for padding 706 // on the sides. 707 int height = (int) mChipHeight; 708 // Since the icon is a square, it's width is equal to the maximum height it can be inside 709 // the chip. Don't include iconWidth for invalid contacts. 710 int iconWidth = contact.isValid() ? 711 height - backgroundPadding.top - backgroundPadding.bottom : 0; 712 float[] widths = new float[1]; 713 paint.getTextWidths(" ", widths); 714 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 715 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 716 - backgroundPadding.right); 717 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 718 719 // Chip start padding is the same as the end padding if there is no contact image. 720 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 721 // Make sure there is a minimum chip width so the user can ALWAYS 722 // tap a chip without difficulty. 723 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 724 + iconWidth + backgroundPadding.left + backgroundPadding.right); 725 726 // Create the background of the chip. 727 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 728 final Canvas canvas = new Canvas(result.bitmap); 729 730 // Check if the background drawable is set via attr 731 if (overrideBackgroundDrawable != null) { 732 overrideBackgroundDrawable.setBounds(0, 0, width, height); 733 overrideBackgroundDrawable.draw(canvas); 734 } else { 735 // Draw the default chip background 736 mWorkPaint.reset(); 737 mWorkPaint.setColor(backgroundColor); 738 mWorkPaint.setAntiAlias(true); 739 final float radius = height / 2; 740 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 741 mWorkPaint); 742 } 743 744 // Draw the text vertically aligned 745 int textX = shouldPositionAvatarOnRight() ? 746 mChipTextEndPadding + backgroundPadding.left : 747 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 748 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 749 textX, getTextYOffset(height), paint); 750 751 // Set the variables that are needed to draw the icon bitmap once it's loaded 752 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 753 backgroundPadding.left; 754 result.left = iconX; 755 result.top = backgroundPadding.top; 756 result.right = iconX + iconWidth; 757 result.bottom = height - backgroundPadding.bottom; 758 759 return result; 760 } 761 762 /** 763 * Helper function that draws the loaded icon bitmap into the chips bitmap 764 */ 765 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 766 final Canvas canvas = new Canvas(bitMapResult.bitmap); 767 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 768 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 769 bitMapResult.bottom); 770 drawIconOnCanvas(icon, canvas, src, dst); 771 } 772 773 /** 774 * Returns true if the avatar should be positioned at the right edge of the chip. 775 * Takes into account both the set avatar position (start or end) as well as whether 776 * the layout direction is LTR or RTL. 777 */ 778 private boolean shouldPositionAvatarOnRight() { 779 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 780 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 781 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 782 // If in Rtl mode, the position should be flipped. 783 return isRtl ? !assignedPosition : assignedPosition; 784 } 785 786 /** 787 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 788 * draw an icon for this recipient. 789 */ 790 private void loadAvatarIcon(final RecipientEntry contact, 791 final ChipBitmapContainer bitmapContainer) { 792 // Don't draw photos for recipients that have been typed in OR generated on the fly. 793 long contactId = contact.getContactId(); 794 boolean drawPhotos = isPhoneQuery() ? 795 contactId != RecipientEntry.INVALID_CONTACT 796 : (contactId != RecipientEntry.INVALID_CONTACT 797 && contactId != RecipientEntry.GENERATED_CONTACT); 798 799 if (drawPhotos) { 800 final byte[] origPhotoBytes = contact.getPhotoBytes(); 801 // There may not be a photo yet if anything but the first contact address 802 // was selected. 803 if (origPhotoBytes == null) { 804 // TODO: cache this in the recipient entry? 805 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 806 @Override 807 public void onPhotoBytesPopulated() { 808 // Call through to the async version which will ensure 809 // proper threading. 810 onPhotoBytesAsynchronouslyPopulated(); 811 } 812 813 @Override 814 public void onPhotoBytesAsynchronouslyPopulated() { 815 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 816 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 817 loadedPhotoBytes.length); 818 tryDrawAndInvalidate(icon); 819 } 820 821 @Override 822 public void onPhotoBytesAsyncLoadFailed() { 823 // TODO: can the scaled down default photo be cached? 824 tryDrawAndInvalidate(mDefaultContactPhoto); 825 } 826 827 private void tryDrawAndInvalidate(Bitmap icon) { 828 drawIcon(bitmapContainer, icon); 829 // The caller might originated from a background task. However, if the 830 // background task has already completed, the view might be already drawn 831 // on the UI but the callback would happen on the background thread. 832 // So if we are on a background thread, post an invalidate call to the UI. 833 if (Looper.myLooper() == Looper.getMainLooper()) { 834 // The view might not redraw itself since it's loaded asynchronously 835 invalidate(); 836 } else { 837 post(new Runnable() { 838 @Override 839 public void run() { 840 invalidate(); 841 } 842 }); 843 } 844 } 845 }); 846 } else { 847 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 848 origPhotoBytes.length); 849 drawIcon(bitmapContainer, icon); 850 } 851 } 852 } 853 854 /** 855 * Get the background drawable for a RecipientChip. 856 */ 857 // Visible for testing. 858 /* package */Drawable getChipBackground(RecipientEntry contact) { 859 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 860 } 861 862 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 863 return getResources().getColor(contact.isValid() ? R.color.chip_background : 864 R.color.chip_background_invalid); 865 } 866 867 /** 868 * Given a height, returns a Y offset that will draw the text in the middle of the height. 869 */ 870 protected float getTextYOffset(int height) { 871 return height - ((height - mTextHeight) / 2); 872 } 873 874 /** 875 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 876 * rectangle of the canvas. 877 */ 878 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 879 final Matrix matrix = new Matrix(); 880 881 // Draw bitmap through shader first. 882 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 883 matrix.reset(); 884 885 // Fit bitmap to bounds. 886 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 887 888 shader.setLocalMatrix(matrix); 889 mWorkPaint.reset(); 890 mWorkPaint.setShader(shader); 891 mWorkPaint.setAntiAlias(true); 892 mWorkPaint.setFilterBitmap(true); 893 mWorkPaint.setDither(true); 894 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 895 896 // Then draw the border. 897 final float borderWidth = 1f; 898 mWorkPaint.reset(); 899 mWorkPaint.setColor(Color.TRANSPARENT); 900 mWorkPaint.setStyle(Style.STROKE); 901 mWorkPaint.setStrokeWidth(borderWidth); 902 mWorkPaint.setAntiAlias(true); 903 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 904 905 mWorkPaint.reset(); 906 } 907 908 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 909 TextPaint paint = getPaint(); 910 float defaultSize = paint.getTextSize(); 911 int defaultColor = paint.getColor(); 912 913 Bitmap tmpBitmap; 914 if (pressed) { 915 tmpBitmap = createSelectedChip(contact, paint); 916 917 } else { 918 tmpBitmap = createUnselectedChip(contact, paint); 919 } 920 921 // Pass the full text, un-ellipsized, to the chip. 922 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 923 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 924 VisibleRecipientChip recipientChip = 925 new VisibleRecipientChip(result, contact); 926 recipientChip.setExtraMargin(mLineSpacingExtra); 927 // Return text to the original size. 928 paint.setTextSize(defaultSize); 929 paint.setColor(defaultColor); 930 return recipientChip; 931 } 932 933 /** 934 * Calculate the bottom of the line the chip will be located on using: 935 * 1) which line the chip appears on 936 * 2) the height of a chip 937 * 3) padding built into the edit text view 938 */ 939 private int calculateOffsetFromBottom(int line) { 940 // Line offsets start at zero. 941 int actualLine = getLineCount() - (line + 1); 942 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 943 + getDropDownVerticalOffset(); 944 } 945 946 /** 947 * Calculate the offset from bottom of the EditText to top of the provided line. 948 */ 949 private int calculateOffsetFromBottomToTop(int line) { 950 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 951 .abs(getLineCount() - line)) + getPaddingBottom()); 952 } 953 954 /** 955 * Get the max amount of space a chip can take up. The formula takes into 956 * account the width of the EditTextView, any view padding, and padding 957 * that will be added to the chip. 958 */ 959 private float calculateAvailableWidth() { 960 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 961 - mChipTextEndPadding; 962 } 963 964 965 private void setChipDimensions(Context context, AttributeSet attrs) { 966 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 967 0); 968 Resources r = getContext().getResources(); 969 970 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 971 mChipBackgroundPressed = a 972 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 973 mInvalidChipBackground = a 974 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 975 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 976 if (mChipDelete == null) { 977 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 978 } 979 mChipTextStartPadding = mChipTextEndPadding 980 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 981 if (mChipTextStartPadding == -1) { 982 mChipTextStartPadding = mChipTextEndPadding = 983 (int) r.getDimension(R.dimen.chip_padding); 984 } 985 // xml-overrides for each individual padding 986 // TODO: add these to attr? 987 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 988 if (overridePadding >= 0) { 989 mChipTextStartPadding = overridePadding; 990 } 991 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 992 if (overridePadding >= 0) { 993 mChipTextEndPadding = overridePadding; 994 } 995 996 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 997 998 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 999 1000 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 1001 if (mChipHeight == -1) { 1002 mChipHeight = r.getDimension(R.dimen.chip_height); 1003 } 1004 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 1005 if (mChipFontSize == -1) { 1006 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 1007 } 1008 mAvatarPosition = 1009 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 1010 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 1011 1012 mMaxLines = r.getInteger(R.integer.chips_max_lines); 1013 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 1014 1015 a.recycle(); 1016 } 1017 1018 // Visible for testing. 1019 /* package */ void setMoreItem(TextView moreItem) { 1020 mMoreItem = moreItem; 1021 } 1022 1023 1024 // Visible for testing. 1025 /* package */ void setChipBackground(Drawable chipBackground) { 1026 mChipBackground = chipBackground; 1027 } 1028 1029 // Visible for testing. 1030 /* package */ void setChipHeight(int height) { 1031 mChipHeight = height; 1032 } 1033 1034 public float getChipHeight() { 1035 return mChipHeight; 1036 } 1037 1038 /** 1039 * Set whether to shrink the recipients field such that at most 1040 * one line of recipients chips are shown when the field loses 1041 * focus. By default, the number of displayed recipients will be 1042 * limited and a "more" chip will be shown when focus is lost. 1043 * @param shrink 1044 */ 1045 public void setOnFocusListShrinkRecipients(boolean shrink) { 1046 mShouldShrink = shrink; 1047 } 1048 1049 @Override 1050 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1051 super.onSizeChanged(width, height, oldw, oldh); 1052 if (width != 0 && height != 0) { 1053 if (mPendingChipsCount > 0) { 1054 postHandlePendingChips(); 1055 } else { 1056 checkChipWidths(); 1057 } 1058 } 1059 // Try to find the scroll view parent, if it exists. 1060 if (mScrollView == null && !mTriedGettingScrollView) { 1061 ViewParent parent = getParent(); 1062 while (parent != null && !(parent instanceof ScrollView)) { 1063 parent = parent.getParent(); 1064 } 1065 if (parent != null) { 1066 mScrollView = (ScrollView) parent; 1067 } 1068 mTriedGettingScrollView = true; 1069 } 1070 } 1071 1072 private void postHandlePendingChips() { 1073 mHandler.removeCallbacks(mHandlePendingChips); 1074 mHandler.post(mHandlePendingChips); 1075 } 1076 1077 private void checkChipWidths() { 1078 // Check the widths of the associated chips. 1079 DrawableRecipientChip[] chips = getSortedRecipients(); 1080 if (chips != null) { 1081 Rect bounds; 1082 for (DrawableRecipientChip chip : chips) { 1083 bounds = chip.getBounds(); 1084 if (getWidth() > 0 && bounds.right - bounds.left > 1085 getWidth() - getPaddingLeft() - getPaddingRight()) { 1086 // Need to redraw that chip. 1087 replaceChip(chip, chip.getEntry()); 1088 } 1089 } 1090 } 1091 } 1092 1093 // Visible for testing. 1094 /*package*/ void handlePendingChips() { 1095 if (getViewWidth() <= 0) { 1096 // The widget has not been sized yet. 1097 // This will be called as a result of onSizeChanged 1098 // at a later point. 1099 return; 1100 } 1101 if (mPendingChipsCount <= 0) { 1102 return; 1103 } 1104 1105 synchronized (mPendingChips) { 1106 Editable editable = getText(); 1107 // Tokenize! 1108 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1109 for (int i = 0; i < mPendingChips.size(); i++) { 1110 String current = mPendingChips.get(i); 1111 int tokenStart = editable.toString().indexOf(current); 1112 // Always leave a space at the end between tokens. 1113 int tokenEnd = tokenStart + current.length() - 1; 1114 if (tokenStart >= 0) { 1115 // When we have a valid token, include it with the token 1116 // to the left. 1117 if (tokenEnd < editable.length() - 2 1118 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1119 tokenEnd++; 1120 } 1121 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1122 || !mShouldShrink); 1123 } 1124 mPendingChipsCount--; 1125 } 1126 sanitizeEnd(); 1127 } else { 1128 mNoChips = true; 1129 } 1130 1131 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1132 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1133 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1134 new RecipientReplacementTask().execute(); 1135 mTemporaryRecipients = null; 1136 } else { 1137 // Create the "more" chip 1138 mIndividualReplacements = new IndividualReplacementTask(); 1139 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1140 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1141 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1142 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1143 mTemporaryRecipients.subList(CHIP_LIMIT, 1144 mTemporaryRecipients.size())); 1145 } else { 1146 mTemporaryRecipients = null; 1147 } 1148 createMoreChip(); 1149 } 1150 } else { 1151 // There are too many recipients to look up, so just fall back 1152 // to showing addresses for all of them. 1153 mTemporaryRecipients = null; 1154 createMoreChip(); 1155 } 1156 mPendingChipsCount = 0; 1157 mPendingChips.clear(); 1158 } 1159 } 1160 1161 // Visible for testing. 1162 /*package*/ int getViewWidth() { 1163 return getWidth(); 1164 } 1165 1166 /** 1167 * Remove any characters after the last valid chip. 1168 */ 1169 // Visible for testing. 1170 /*package*/ void sanitizeEnd() { 1171 // Don't sanitize while we are waiting for pending chips to complete. 1172 if (mPendingChipsCount > 0) { 1173 return; 1174 } 1175 // Find the last chip; eliminate any commit characters after it. 1176 DrawableRecipientChip[] chips = getSortedRecipients(); 1177 Spannable spannable = getSpannable(); 1178 if (chips != null && chips.length > 0) { 1179 int end; 1180 mMoreChip = getMoreChip(); 1181 if (mMoreChip != null) { 1182 end = spannable.getSpanEnd(mMoreChip); 1183 } else { 1184 end = getSpannable().getSpanEnd(getLastChip()); 1185 } 1186 Editable editable = getText(); 1187 int length = editable.length(); 1188 if (length > end) { 1189 // See what characters occur after that and eliminate them. 1190 if (Log.isLoggable(TAG, Log.DEBUG)) { 1191 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1192 + editable); 1193 } 1194 editable.delete(end + 1, length); 1195 } 1196 } 1197 } 1198 1199 /** 1200 * Create a chip that represents just the email address of a recipient. At some later 1201 * point, this chip will be attached to a real contact entry, if one exists. 1202 */ 1203 // VisibleForTesting 1204 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1205 boolean visible) { 1206 if (alreadyHasChip(tokenStart, tokenEnd)) { 1207 // There is already a chip present at this location. 1208 // Don't recreate it. 1209 return; 1210 } 1211 String token = editable.toString().substring(tokenStart, tokenEnd); 1212 final String trimmedToken = token.trim(); 1213 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1214 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1215 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1216 } 1217 RecipientEntry entry = createTokenizedEntry(token); 1218 if (entry != null) { 1219 DrawableRecipientChip chip = null; 1220 try { 1221 if (!mNoChips) { 1222 chip = visible ? 1223 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1224 } 1225 } catch (NullPointerException e) { 1226 Log.e(TAG, e.getMessage(), e); 1227 } 1228 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1229 // Add this chip to the list of entries "to replace" 1230 if (chip != null) { 1231 if (mTemporaryRecipients == null) { 1232 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1233 } 1234 chip.setOriginalText(token); 1235 mTemporaryRecipients.add(chip); 1236 } 1237 } 1238 } 1239 1240 private static boolean isPhoneNumber(String number) { 1241 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1242 // PhoneNumberUtil). One complication is that it requires the sender's region which 1243 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1244 if (TextUtils.isEmpty(number)) { 1245 return false; 1246 } 1247 1248 Matcher match = PHONE_PATTERN.matcher(number); 1249 return match.matches(); 1250 } 1251 1252 // VisibleForTesting 1253 RecipientEntry createTokenizedEntry(final String token) { 1254 if (TextUtils.isEmpty(token)) { 1255 return null; 1256 } 1257 if (isPhoneQuery() && isPhoneNumber(token)) { 1258 return RecipientEntry.constructFakePhoneEntry(token, true); 1259 } 1260 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1261 String display = null; 1262 boolean isValid = isValid(token); 1263 if (isValid && tokens != null && tokens.length > 0) { 1264 // If we can get a name from tokenizing, then generate an entry from 1265 // this. 1266 display = tokens[0].getName(); 1267 if (!TextUtils.isEmpty(display)) { 1268 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1269 isValid); 1270 } else { 1271 display = tokens[0].getAddress(); 1272 if (!TextUtils.isEmpty(display)) { 1273 return RecipientEntry.constructFakeEntry(display, isValid); 1274 } 1275 } 1276 } 1277 // Unable to validate the token or to create a valid token from it. 1278 // Just create a chip the user can edit. 1279 String validatedToken = null; 1280 if (mValidator != null && !isValid) { 1281 // Try fixing up the entry using the validator. 1282 validatedToken = mValidator.fixText(token).toString(); 1283 if (!TextUtils.isEmpty(validatedToken)) { 1284 if (validatedToken.contains(token)) { 1285 // protect against the case of a validator with a null 1286 // domain, 1287 // which doesn't add a domain to the token 1288 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1289 if (tokenized.length > 0) { 1290 validatedToken = tokenized[0].getAddress(); 1291 isValid = true; 1292 } 1293 } else { 1294 // We ran into a case where the token was invalid and 1295 // removed 1296 // by the validator. In this case, just use the original 1297 // token 1298 // and let the user sort out the error chip. 1299 validatedToken = null; 1300 isValid = false; 1301 } 1302 } 1303 } 1304 // Otherwise, fallback to just creating an editable email address chip. 1305 return RecipientEntry.constructFakeEntry( 1306 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1307 } 1308 1309 private boolean isValid(String text) { 1310 return mValidator == null ? true : mValidator.isValid(text); 1311 } 1312 1313 private static String tokenizeAddress(String destination) { 1314 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1315 if (tokens != null && tokens.length > 0) { 1316 return tokens[0].getAddress(); 1317 } 1318 return destination; 1319 } 1320 1321 @Override 1322 public void setTokenizer(Tokenizer tokenizer) { 1323 mTokenizer = tokenizer; 1324 super.setTokenizer(mTokenizer); 1325 } 1326 1327 @Override 1328 public void setValidator(Validator validator) { 1329 mValidator = validator; 1330 super.setValidator(validator); 1331 } 1332 1333 /** 1334 * We cannot use the default mechanism for replaceText. Instead, 1335 * we override onItemClickListener so we can get all the associated 1336 * contact information including display text, address, and id. 1337 */ 1338 @Override 1339 protected void replaceText(CharSequence text) { 1340 return; 1341 } 1342 1343 /** 1344 * Dismiss any selected chips when the back key is pressed. 1345 */ 1346 @Override 1347 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1348 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1349 clearSelectedChip(); 1350 return true; 1351 } 1352 return super.onKeyPreIme(keyCode, event); 1353 } 1354 1355 /** 1356 * Monitor key presses in this view to see if the user types 1357 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1358 * If the user has entered text that has contact matches and types 1359 * a commit key, create a chip from the topmost matching contact. 1360 * If the user has entered text that has no contact matches and types 1361 * a commit key, then create a chip from the text they have entered. 1362 */ 1363 @Override 1364 public boolean onKeyUp(int keyCode, KeyEvent event) { 1365 switch (keyCode) { 1366 case KeyEvent.KEYCODE_TAB: 1367 if (event.hasNoModifiers()) { 1368 if (mSelectedChip != null) { 1369 clearSelectedChip(); 1370 } else { 1371 commitDefault(); 1372 } 1373 } 1374 break; 1375 } 1376 return super.onKeyUp(keyCode, event); 1377 } 1378 1379 private boolean focusNext() { 1380 View next = focusSearch(View.FOCUS_DOWN); 1381 if (next != null) { 1382 next.requestFocus(); 1383 return true; 1384 } 1385 return false; 1386 } 1387 1388 /** 1389 * Create a chip from the default selection. If the popup is showing, the 1390 * default is the selected item (if one is selected), or the first item, in the popup 1391 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1392 * tokenizer should search for a token to turn into a chip. 1393 * @return If a chip was created from a real contact. 1394 */ 1395 private boolean commitDefault() { 1396 // If there is no tokenizer, don't try to commit. 1397 if (mTokenizer == null) { 1398 return false; 1399 } 1400 Editable editable = getText(); 1401 int end = getSelectionEnd(); 1402 int start = mTokenizer.findTokenStart(editable, end); 1403 1404 if (shouldCreateChip(start, end)) { 1405 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1406 // In the middle of chip; treat this as an edit 1407 // and commit the whole token. 1408 whatEnd = movePastTerminators(whatEnd); 1409 if (whatEnd != getSelectionEnd()) { 1410 handleEdit(start, whatEnd); 1411 return true; 1412 } 1413 return commitChip(start, end , editable); 1414 } 1415 return false; 1416 } 1417 1418 private void commitByCharacter() { 1419 // We can't possibly commit by character if we can't tokenize. 1420 if (mTokenizer == null) { 1421 return; 1422 } 1423 Editable editable = getText(); 1424 int end = getSelectionEnd(); 1425 int start = mTokenizer.findTokenStart(editable, end); 1426 if (shouldCreateChip(start, end)) { 1427 commitChip(start, end, editable); 1428 } 1429 setSelection(getText().length()); 1430 } 1431 1432 private boolean commitChip(int start, int end, Editable editable) { 1433 ListAdapter adapter = getAdapter(); 1434 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1435 && end == getSelectionEnd() && !isPhoneQuery()) { 1436 // let's choose the selected or first entry if only the input text is NOT an email 1437 // address so we won't try to replace the user's potentially correct but 1438 // new/unencountered email input 1439 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1440 final int selectedPosition = getListSelection(); 1441 if (selectedPosition == -1) { 1442 // Nothing is selected; use the first item 1443 submitItemAtPosition(0); 1444 } else { 1445 submitItemAtPosition(selectedPosition); 1446 } 1447 } 1448 dismissDropDown(); 1449 return true; 1450 } else { 1451 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1452 if (editable.length() > tokenEnd + 1) { 1453 char charAt = editable.charAt(tokenEnd + 1); 1454 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1455 tokenEnd++; 1456 } 1457 } 1458 String text = editable.toString().substring(start, tokenEnd).trim(); 1459 clearComposingText(); 1460 if (text != null && text.length() > 0 && !text.equals(" ")) { 1461 RecipientEntry entry = createTokenizedEntry(text); 1462 if (entry != null) { 1463 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1464 CharSequence chipText = createChip(entry, false); 1465 if (chipText != null && start > -1 && end > -1) { 1466 editable.replace(start, end, chipText); 1467 } 1468 } 1469 // Only dismiss the dropdown if it is related to the text we 1470 // just committed. 1471 // For paste, it may not be as there are possibly multiple 1472 // tokens being added. 1473 if (end == getSelectionEnd()) { 1474 dismissDropDown(); 1475 } 1476 sanitizeBetween(); 1477 return true; 1478 } 1479 } 1480 return false; 1481 } 1482 1483 // Visible for testing. 1484 /* package */ void sanitizeBetween() { 1485 // Don't sanitize while we are waiting for content to chipify. 1486 if (mPendingChipsCount > 0) { 1487 return; 1488 } 1489 // Find the last chip. 1490 DrawableRecipientChip[] recips = getSortedRecipients(); 1491 if (recips != null && recips.length > 0) { 1492 DrawableRecipientChip last = recips[recips.length - 1]; 1493 DrawableRecipientChip beforeLast = null; 1494 if (recips.length > 1) { 1495 beforeLast = recips[recips.length - 2]; 1496 } 1497 int startLooking = 0; 1498 int end = getSpannable().getSpanStart(last); 1499 if (beforeLast != null) { 1500 startLooking = getSpannable().getSpanEnd(beforeLast); 1501 Editable text = getText(); 1502 if (startLooking == -1 || startLooking > text.length() - 1) { 1503 // There is nothing after this chip. 1504 return; 1505 } 1506 if (text.charAt(startLooking) == ' ') { 1507 startLooking++; 1508 } 1509 } 1510 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1511 getText().delete(startLooking, end); 1512 } 1513 } 1514 } 1515 1516 private boolean shouldCreateChip(int start, int end) { 1517 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1518 } 1519 1520 private boolean alreadyHasChip(int start, int end) { 1521 if (mNoChips) { 1522 return true; 1523 } 1524 DrawableRecipientChip[] chips = 1525 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1526 if ((chips == null || chips.length == 0)) { 1527 return false; 1528 } 1529 return true; 1530 } 1531 1532 private void handleEdit(int start, int end) { 1533 if (start == -1 || end == -1) { 1534 // This chip no longer exists in the field. 1535 dismissDropDown(); 1536 return; 1537 } 1538 // This is in the middle of a chip, so select out the whole chip 1539 // and commit it. 1540 Editable editable = getText(); 1541 setSelection(end); 1542 String text = getText().toString().substring(start, end); 1543 if (!TextUtils.isEmpty(text)) { 1544 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1545 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1546 CharSequence chipText = createChip(entry, false); 1547 int selEnd = getSelectionEnd(); 1548 if (chipText != null && start > -1 && selEnd > -1) { 1549 editable.replace(start, selEnd, chipText); 1550 } 1551 } 1552 dismissDropDown(); 1553 } 1554 1555 /** 1556 * If there is a selected chip, delegate the key events 1557 * to the selected chip. 1558 */ 1559 @Override 1560 public boolean onKeyDown(int keyCode, KeyEvent event) { 1561 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1562 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1563 mAlternatesPopup.dismiss(); 1564 } 1565 removeChip(mSelectedChip); 1566 } 1567 1568 switch (keyCode) { 1569 case KeyEvent.KEYCODE_ENTER: 1570 case KeyEvent.KEYCODE_DPAD_CENTER: 1571 if (event.hasNoModifiers()) { 1572 if (commitDefault()) { 1573 return true; 1574 } 1575 if (mSelectedChip != null) { 1576 clearSelectedChip(); 1577 return true; 1578 } else if (focusNext()) { 1579 return true; 1580 } 1581 } 1582 break; 1583 } 1584 1585 return super.onKeyDown(keyCode, event); 1586 } 1587 1588 // Visible for testing. 1589 /* package */ Spannable getSpannable() { 1590 return getText(); 1591 } 1592 1593 private int getChipStart(DrawableRecipientChip chip) { 1594 return getSpannable().getSpanStart(chip); 1595 } 1596 1597 private int getChipEnd(DrawableRecipientChip chip) { 1598 return getSpannable().getSpanEnd(chip); 1599 } 1600 1601 /** 1602 * Instead of filtering on the entire contents of the edit box, 1603 * this subclass method filters on the range from 1604 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1605 * if the length of that range meets or exceeds {@link #getThreshold} 1606 * and makes sure that the range is not already a Chip. 1607 */ 1608 @Override 1609 protected void performFiltering(CharSequence text, int keyCode) { 1610 boolean isCompletedToken = isCompletedToken(text); 1611 if (enoughToFilter() && !isCompletedToken) { 1612 int end = getSelectionEnd(); 1613 int start = mTokenizer.findTokenStart(text, end); 1614 // If this is a RecipientChip, don't filter 1615 // on its contents. 1616 Spannable span = getSpannable(); 1617 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1618 if (chips != null && chips.length > 0) { 1619 dismissDropDown(); 1620 return; 1621 } 1622 } else if (isCompletedToken) { 1623 dismissDropDown(); 1624 return; 1625 } 1626 super.performFiltering(text, keyCode); 1627 } 1628 1629 // Visible for testing. 1630 /*package*/ boolean isCompletedToken(CharSequence text) { 1631 if (TextUtils.isEmpty(text)) { 1632 return false; 1633 } 1634 // Check to see if this is a completed token before filtering. 1635 int end = text.length(); 1636 int start = mTokenizer.findTokenStart(text, end); 1637 String token = text.toString().substring(start, end).trim(); 1638 if (!TextUtils.isEmpty(token)) { 1639 char atEnd = token.charAt(token.length() - 1); 1640 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1641 } 1642 return false; 1643 } 1644 1645 private void clearSelectedChip() { 1646 if (mSelectedChip != null) { 1647 unselectChip(mSelectedChip); 1648 mSelectedChip = null; 1649 } 1650 setCursorVisible(true); 1651 } 1652 1653 /** 1654 * Monitor touch events in the RecipientEditTextView. 1655 * If the view does not have focus, any tap on the view 1656 * will just focus the view. If the view has focus, determine 1657 * if the touch target is a recipient chip. If it is and the chip 1658 * is not selected, select it and clear any other selected chips. 1659 * If it isn't, then select that chip. 1660 */ 1661 @Override 1662 public boolean onTouchEvent(MotionEvent event) { 1663 if (!isFocused()) { 1664 // Ignore any chip taps until this view is focused. 1665 return super.onTouchEvent(event); 1666 } 1667 boolean handled = super.onTouchEvent(event); 1668 int action = event.getAction(); 1669 boolean chipWasSelected = false; 1670 if (mSelectedChip == null) { 1671 mGestureDetector.onTouchEvent(event); 1672 } 1673 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1674 float x = event.getX(); 1675 float y = event.getY(); 1676 int offset = putOffsetInRange(x, y); 1677 DrawableRecipientChip currentChip = findChip(offset); 1678 if (currentChip != null) { 1679 if (action == MotionEvent.ACTION_UP) { 1680 if (mSelectedChip != null && mSelectedChip != currentChip) { 1681 clearSelectedChip(); 1682 mSelectedChip = selectChip(currentChip); 1683 } else if (mSelectedChip == null) { 1684 setSelection(getText().length()); 1685 commitDefault(); 1686 mSelectedChip = selectChip(currentChip); 1687 } else { 1688 onClick(mSelectedChip); 1689 } 1690 } 1691 chipWasSelected = true; 1692 handled = true; 1693 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1694 chipWasSelected = true; 1695 } 1696 } 1697 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1698 clearSelectedChip(); 1699 } 1700 return handled; 1701 } 1702 1703 private void scrollLineIntoView(int line) { 1704 if (mScrollView != null) { 1705 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1706 } 1707 } 1708 1709 private void showAlternates(final DrawableRecipientChip currentChip, 1710 final ListPopupWindow alternatesPopup) { 1711 new AsyncTask<Void, Void, ListAdapter>() { 1712 @Override 1713 protected ListAdapter doInBackground(final Void... params) { 1714 return createAlternatesAdapter(currentChip); 1715 } 1716 1717 @Override 1718 protected void onPostExecute(final ListAdapter result) { 1719 if (!mAttachedToWindow) { 1720 return; 1721 } 1722 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1723 int bottomOffset = calculateOffsetFromBottomToTop(line); 1724 1725 // Align the alternates popup with the left side of the View, 1726 // regardless of the position of the chip tapped. 1727 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1728 mAlternatePopupAnchor : RecipientEditTextView.this); 1729 alternatesPopup.setVerticalOffset(bottomOffset); 1730 alternatesPopup.setAdapter(result); 1731 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1732 // Clear the checked item. 1733 mCheckedItem = -1; 1734 alternatesPopup.show(); 1735 ListView listView = alternatesPopup.getListView(); 1736 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1737 // Checked item would be -1 if the adapter has not 1738 // loaded the view that should be checked yet. The 1739 // variable will be set correctly when onCheckedItemChanged 1740 // is called in a separate thread. 1741 if (mCheckedItem != -1) { 1742 listView.setItemChecked(mCheckedItem, true); 1743 mCheckedItem = -1; 1744 } 1745 } 1746 }.execute((Void[]) null); 1747 } 1748 1749 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1750 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1751 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1752 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1753 constructStateListDeleteDrawable()); 1754 } 1755 1756 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1757 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1758 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1759 } 1760 1761 private StateListDrawable constructStateListDeleteDrawable() { 1762 // Construct the StateListDrawable from deleteDrawable 1763 StateListDrawable deleteDrawable = new StateListDrawable(); 1764 if (!mDisableDelete) { 1765 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1766 } 1767 deleteDrawable.addState(new int[0], null); 1768 return deleteDrawable; 1769 } 1770 1771 @Override 1772 public void onCheckedItemChanged(int position) { 1773 ListView listView = mAlternatesPopup.getListView(); 1774 if (listView != null && listView.getCheckedItemCount() == 0) { 1775 listView.setItemChecked(position, true); 1776 } 1777 mCheckedItem = position; 1778 } 1779 1780 private int putOffsetInRange(final float x, final float y) { 1781 final int offset; 1782 1783 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1784 offset = getOffsetForPosition(x, y); 1785 } else { 1786 offset = supportGetOffsetForPosition(x, y); 1787 } 1788 1789 return putOffsetInRange(offset); 1790 } 1791 1792 // TODO: This algorithm will need a lot of tweaking after more people have used 1793 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1794 // what comes before the finger. 1795 private int putOffsetInRange(int o) { 1796 int offset = o; 1797 Editable text = getText(); 1798 int length = text.length(); 1799 // Remove whitespace from end to find "real end" 1800 int realLength = length; 1801 for (int i = length - 1; i >= 0; i--) { 1802 if (text.charAt(i) == ' ') { 1803 realLength--; 1804 } else { 1805 break; 1806 } 1807 } 1808 1809 // If the offset is beyond or at the end of the text, 1810 // leave it alone. 1811 if (offset >= realLength) { 1812 return offset; 1813 } 1814 Editable editable = getText(); 1815 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1816 // Keep walking backward! 1817 offset--; 1818 } 1819 return offset; 1820 } 1821 1822 private static int findText(Editable text, int offset) { 1823 if (text.charAt(offset) != ' ') { 1824 return offset; 1825 } 1826 return -1; 1827 } 1828 1829 private DrawableRecipientChip findChip(int offset) { 1830 DrawableRecipientChip[] chips = 1831 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1832 // Find the chip that contains this offset. 1833 for (int i = 0; i < chips.length; i++) { 1834 DrawableRecipientChip chip = chips[i]; 1835 int start = getChipStart(chip); 1836 int end = getChipEnd(chip); 1837 if (offset >= start && offset <= end) { 1838 return chip; 1839 } 1840 } 1841 return null; 1842 } 1843 1844 // Visible for testing. 1845 // Use this method to generate text to add to the list of addresses. 1846 /* package */String createAddressText(RecipientEntry entry) { 1847 String display = entry.getDisplayName(); 1848 String address = entry.getDestination(); 1849 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1850 display = null; 1851 } 1852 String trimmedDisplayText; 1853 if (isPhoneQuery() && isPhoneNumber(address)) { 1854 trimmedDisplayText = address.trim(); 1855 } else { 1856 if (address != null) { 1857 // Tokenize out the address in case the address already 1858 // contained the username as well. 1859 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1860 if (tokenized != null && tokenized.length > 0) { 1861 address = tokenized[0].getAddress(); 1862 } 1863 } 1864 Rfc822Token token = new Rfc822Token(display, address, null); 1865 trimmedDisplayText = token.toString().trim(); 1866 } 1867 int index = trimmedDisplayText.indexOf(","); 1868 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1869 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1870 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1871 } 1872 1873 // Visible for testing. 1874 // Use this method to generate text to display in a chip. 1875 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1876 String display = entry.getDisplayName(); 1877 String address = entry.getDestination(); 1878 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1879 display = null; 1880 } 1881 if (!TextUtils.isEmpty(display)) { 1882 return display; 1883 } else if (!TextUtils.isEmpty(address)){ 1884 return address; 1885 } else { 1886 return new Rfc822Token(display, address, null).toString(); 1887 } 1888 } 1889 1890 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1891 final String displayText = createAddressText(entry); 1892 if (TextUtils.isEmpty(displayText)) { 1893 return null; 1894 } 1895 // Always leave a blank space at the end of a chip. 1896 final int textLength = displayText.length() - 1; 1897 final SpannableString chipText = new SpannableString(displayText); 1898 if (!mNoChips) { 1899 try { 1900 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1901 chipText.setSpan(chip, 0, textLength, 1902 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1903 chip.setOriginalText(chipText.toString()); 1904 } catch (NullPointerException e) { 1905 Log.e(TAG, e.getMessage(), e); 1906 return null; 1907 } 1908 } 1909 onChipCreated(entry); 1910 return chipText; 1911 } 1912 1913 /** 1914 * A callback for subclasses to use to know when a chip was created with the 1915 * given RecipientEntry. 1916 */ 1917 protected void onChipCreated(RecipientEntry entry) {} 1918 1919 /** 1920 * When an item in the suggestions list has been clicked, create a chip from the 1921 * contact information of the selected item. 1922 */ 1923 @Override 1924 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1925 if (position < 0) { 1926 return; 1927 } 1928 1929 final int charactersTyped = submitItemAtPosition(position); 1930 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1931 mRecipientEntryItemClickedListener 1932 .onRecipientEntryItemClicked(charactersTyped, position); 1933 } 1934 } 1935 1936 private int submitItemAtPosition(int position) { 1937 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1938 if (entry == null) { 1939 return -1; 1940 } 1941 clearComposingText(); 1942 1943 int end = getSelectionEnd(); 1944 int start = mTokenizer.findTokenStart(getText(), end); 1945 1946 Editable editable = getText(); 1947 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1948 CharSequence chip = createChip(entry, false); 1949 if (chip != null && start >= 0 && end >= 0) { 1950 editable.replace(start, end, chip); 1951 } 1952 sanitizeBetween(); 1953 1954 return end - start; 1955 } 1956 1957 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1958 if (item == null) { 1959 return null; 1960 } 1961 final RecipientEntry entry; 1962 // If the display name and the address are the same, or if this is a 1963 // valid contact, but the destination is invalid, then make this a fake 1964 // recipient that is editable. 1965 String destination = item.getDestination(); 1966 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1967 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1968 destination, item.isValid()); 1969 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1970 && (TextUtils.isEmpty(item.getDisplayName()) 1971 || TextUtils.equals(item.getDisplayName(), destination) 1972 || (mValidator != null && !mValidator.isValid(destination)))) { 1973 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1974 } else { 1975 entry = item; 1976 } 1977 return entry; 1978 } 1979 1980 // Visible for testing. 1981 /* package */DrawableRecipientChip[] getSortedRecipients() { 1982 DrawableRecipientChip[] recips = getSpannable() 1983 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1984 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1985 Arrays.asList(recips)); 1986 final Spannable spannable = getSpannable(); 1987 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1988 1989 @Override 1990 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1991 int firstStart = spannable.getSpanStart(first); 1992 int secondStart = spannable.getSpanStart(second); 1993 if (firstStart < secondStart) { 1994 return -1; 1995 } else if (firstStart > secondStart) { 1996 return 1; 1997 } else { 1998 return 0; 1999 } 2000 } 2001 }); 2002 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 2003 } 2004 2005 @Override 2006 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 2007 return false; 2008 } 2009 2010 @Override 2011 public void onDestroyActionMode(ActionMode mode) { 2012 } 2013 2014 @Override 2015 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2016 return false; 2017 } 2018 2019 /** 2020 * No chips are selectable. 2021 */ 2022 @Override 2023 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2024 return false; 2025 } 2026 2027 // Visible for testing. 2028 /* package */ReplacementDrawableSpan getMoreChip() { 2029 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2030 MoreImageSpan.class); 2031 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2032 } 2033 2034 private MoreImageSpan createMoreSpan(int count) { 2035 String moreText = String.format(mMoreItem.getText().toString(), count); 2036 mWorkPaint.set(getPaint()); 2037 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 2038 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 2039 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2040 + mMoreItem.getPaddingRight(); 2041 final int height = (int) mChipHeight; 2042 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2043 Canvas canvas = new Canvas(drawable); 2044 int adjustedHeight = height; 2045 Layout layout = getLayout(); 2046 if (layout != null) { 2047 adjustedHeight -= layout.getLineDescent(0); 2048 } 2049 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 2050 2051 Drawable result = new BitmapDrawable(getResources(), drawable); 2052 result.setBounds(0, 0, width, height); 2053 return new MoreImageSpan(result); 2054 } 2055 2056 // Visible for testing. 2057 /*package*/ void createMoreChipPlainText() { 2058 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2059 Editable text = getText(); 2060 int start = 0; 2061 int end = start; 2062 for (int i = 0; i < CHIP_LIMIT; i++) { 2063 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2064 start = end; // move to the next token and get its end. 2065 } 2066 // Now, count total addresses. 2067 start = 0; 2068 int tokenCount = countTokens(text); 2069 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2070 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2071 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2072 text.replace(end, text.length(), chipText); 2073 mMoreChip = moreSpan; 2074 } 2075 2076 // Visible for testing. 2077 /* package */int countTokens(Editable text) { 2078 int tokenCount = 0; 2079 int start = 0; 2080 while (start < text.length()) { 2081 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2082 tokenCount++; 2083 if (start >= text.length()) { 2084 break; 2085 } 2086 } 2087 return tokenCount; 2088 } 2089 2090 /** 2091 * Create the more chip. The more chip is text that replaces any chips that 2092 * do not fit in the pre-defined available space when the 2093 * RecipientEditTextView loses focus. 2094 */ 2095 // Visible for testing. 2096 /* package */ void createMoreChip() { 2097 if (mNoChips) { 2098 createMoreChipPlainText(); 2099 return; 2100 } 2101 2102 if (!mShouldShrink) { 2103 return; 2104 } 2105 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2106 MoreImageSpan.class); 2107 if (tempMore.length > 0) { 2108 getSpannable().removeSpan(tempMore[0]); 2109 } 2110 DrawableRecipientChip[] recipients = getSortedRecipients(); 2111 2112 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2113 mMoreChip = null; 2114 return; 2115 } 2116 Spannable spannable = getSpannable(); 2117 int numRecipients = recipients.length; 2118 int overage = numRecipients - CHIP_LIMIT; 2119 MoreImageSpan moreSpan = createMoreSpan(overage); 2120 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2121 int totalReplaceStart = 0; 2122 int totalReplaceEnd = 0; 2123 Editable text = getText(); 2124 for (int i = numRecipients - overage; i < recipients.length; i++) { 2125 mRemovedSpans.add(recipients[i]); 2126 if (i == numRecipients - overage) { 2127 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2128 } 2129 if (i == recipients.length - 1) { 2130 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2131 } 2132 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2133 int spanStart = spannable.getSpanStart(recipients[i]); 2134 int spanEnd = spannable.getSpanEnd(recipients[i]); 2135 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2136 } 2137 spannable.removeSpan(recipients[i]); 2138 } 2139 if (totalReplaceEnd < text.length()) { 2140 totalReplaceEnd = text.length(); 2141 } 2142 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2143 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2144 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2145 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2146 text.replace(start, end, chipText); 2147 mMoreChip = moreSpan; 2148 // If adding the +more chip goes over the limit, resize accordingly. 2149 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2150 setMaxLines(getLineCount()); 2151 } 2152 } 2153 2154 /** 2155 * Replace the more chip, if it exists, with all of the recipient chips it had 2156 * replaced when the RecipientEditTextView gains focus. 2157 */ 2158 // Visible for testing. 2159 /*package*/ void removeMoreChip() { 2160 if (mMoreChip != null) { 2161 Spannable span = getSpannable(); 2162 span.removeSpan(mMoreChip); 2163 mMoreChip = null; 2164 // Re-add the spans that were removed. 2165 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2166 // Recreate each removed span. 2167 DrawableRecipientChip[] recipients = getSortedRecipients(); 2168 // Start the search for tokens after the last currently visible 2169 // chip. 2170 if (recipients == null || recipients.length == 0) { 2171 return; 2172 } 2173 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2174 Editable editable = getText(); 2175 for (DrawableRecipientChip chip : mRemovedSpans) { 2176 int chipStart; 2177 int chipEnd; 2178 String token; 2179 // Need to find the location of the chip, again. 2180 token = (String) chip.getOriginalText(); 2181 // As we find the matching recipient for the remove spans, 2182 // reduce the size of the string we need to search. 2183 // That way, if there are duplicates, we always find the correct 2184 // recipient. 2185 chipStart = editable.toString().indexOf(token, end); 2186 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2187 // Only set the span if we found a matching token. 2188 if (chipStart != -1) { 2189 editable.setSpan(chip, chipStart, chipEnd, 2190 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2191 } 2192 } 2193 mRemovedSpans.clear(); 2194 } 2195 } 2196 } 2197 2198 /** 2199 * Show specified chip as selected. If the RecipientChip is just an email address, 2200 * selecting the chip will take the contents of the chip and place it at 2201 * the end of the RecipientEditTextView for inline editing. If the 2202 * RecipientChip is a complete contact, then selecting the chip 2203 * will change the background color of the chip, show the delete icon, 2204 * and a popup window with the address in use highlighted and any other 2205 * alternate addresses for the contact. 2206 * @param currentChip Chip to select. 2207 * @return A RecipientChip in the selected state or null if the chip 2208 * just contained an email address. 2209 */ 2210 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2211 if (shouldShowEditableText(currentChip)) { 2212 CharSequence text = currentChip.getValue(); 2213 Editable editable = getText(); 2214 Spannable spannable = getSpannable(); 2215 int spanStart = spannable.getSpanStart(currentChip); 2216 int spanEnd = spannable.getSpanEnd(currentChip); 2217 spannable.removeSpan(currentChip); 2218 // Don't need leading space if it's the only chip 2219 if (spanEnd - spanStart == editable.length() - 1) { 2220 spanEnd++; 2221 } 2222 editable.delete(spanStart, spanEnd); 2223 setCursorVisible(true); 2224 setSelection(editable.length()); 2225 editable.append(text); 2226 return constructChipSpan( 2227 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2228 true); 2229 } else { 2230 int start = getChipStart(currentChip); 2231 int end = getChipEnd(currentChip); 2232 getSpannable().removeSpan(currentChip); 2233 DrawableRecipientChip newChip; 2234 final boolean showAddress = 2235 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2236 getAdapter().forceShowAddress(); 2237 try { 2238 if (showAddress && mNoChips) { 2239 return null; 2240 } 2241 newChip = constructChipSpan(currentChip.getEntry(), true); 2242 } catch (NullPointerException e) { 2243 Log.e(TAG, e.getMessage(), e); 2244 return null; 2245 } 2246 Editable editable = getText(); 2247 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2248 if (start == -1 || end == -1) { 2249 Log.d(TAG, "The chip being selected no longer exists but should."); 2250 } else { 2251 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2252 } 2253 newChip.setSelected(true); 2254 if (shouldShowEditableText(newChip)) { 2255 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2256 } 2257 if (showAddress) { 2258 showAddress(newChip, mAddressPopup); 2259 } else { 2260 showAlternates(newChip, mAlternatesPopup); 2261 } 2262 setCursorVisible(false); 2263 return newChip; 2264 } 2265 } 2266 2267 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2268 long contactId = currentChip.getContactId(); 2269 return contactId == RecipientEntry.INVALID_CONTACT 2270 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2271 } 2272 2273 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2274 if (!mAttachedToWindow) { 2275 return; 2276 } 2277 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2278 int bottomOffset = calculateOffsetFromBottomToTop(line); 2279 // Align the alternates popup with the left side of the View, 2280 // regardless of the position of the chip tapped. 2281 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2282 popup.setVerticalOffset(bottomOffset); 2283 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2284 popup.setOnItemClickListener(new OnItemClickListener() { 2285 @Override 2286 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2287 unselectChip(currentChip); 2288 } 2289 }); 2290 popup.show(); 2291 ListView listView = popup.getListView(); 2292 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2293 listView.setItemChecked(0, true); 2294 } 2295 2296 /** 2297 * Remove selection from this chip. Unselecting a RecipientChip will render 2298 * the chip without a delete icon and with an unfocused background. This is 2299 * called when the RecipientChip no longer has focus. 2300 */ 2301 private void unselectChip(DrawableRecipientChip chip) { 2302 int start = getChipStart(chip); 2303 int end = getChipEnd(chip); 2304 Editable editable = getText(); 2305 mSelectedChip = null; 2306 if (start == -1 || end == -1) { 2307 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2308 setSelection(editable.length()); 2309 commitDefault(); 2310 } else { 2311 getSpannable().removeSpan(chip); 2312 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2313 editable.removeSpan(chip); 2314 try { 2315 if (!mNoChips) { 2316 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2317 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2318 } 2319 } catch (NullPointerException e) { 2320 Log.e(TAG, e.getMessage(), e); 2321 } 2322 } 2323 setCursorVisible(true); 2324 setSelection(editable.length()); 2325 dismissPopups(); 2326 } 2327 2328 @Override 2329 public void onChipDelete() { 2330 if (mSelectedChip != null) { 2331 removeChip(mSelectedChip); 2332 } 2333 dismissPopups(); 2334 } 2335 2336 private void dismissPopups() { 2337 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2338 mAlternatesPopup.dismiss(); 2339 } 2340 if (mAddressPopup != null && mAddressPopup.isShowing()) { 2341 mAddressPopup.dismiss(); 2342 } 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